Mercurial > projects > ldc
annotate dmd/expression.c @ 1640:9bf06e02070b
Merge DMD 1.057.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Mon, 08 Mar 2010 21:39:20 +0100 |
| parents | 44b145be2ef5 |
| children |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
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3 // Copyright (c) 1999-2010 by Digital Mars |
| 159 | 4 // All Rights Reserved |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
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14 #include <math.h> |
| 159 | 15 #include <assert.h> |
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16 #if _MSC_VER |
| 159 | 17 #include <complex> |
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18 #else |
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19 #endif |
| 159 | 20 |
| 21 #if _WIN32 && __DMC__ | |
| 22 extern "C" char * __cdecl __locale_decpoint; | |
| 23 #endif | |
| 24 | |
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25 #if __MINGW32__ |
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26 #ifndef isnan |
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27 #define isnan _isnan |
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28 #endif |
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29 #endif |
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30 |
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31 #ifdef __APPLE__ |
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32 #ifndef isnan |
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33 int isnan(double); |
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34 #endif |
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35 #endif |
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36 |
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37 #include "rmem.h" |
| 1587 | 38 #include "port.h" |
| 39 | |
| 159 | 40 #include "mtype.h" |
| 41 #include "init.h" | |
| 42 #include "expression.h" | |
| 43 #include "template.h" | |
| 44 #include "utf.h" | |
| 45 #include "enum.h" | |
| 46 #include "scope.h" | |
| 47 #include "statement.h" | |
| 48 #include "declaration.h" | |
| 49 #include "aggregate.h" | |
| 50 #include "import.h" | |
| 51 #include "id.h" | |
| 52 #include "dsymbol.h" | |
| 53 #include "module.h" | |
| 54 #include "attrib.h" | |
| 55 #include "hdrgen.h" | |
| 56 #include "parse.h" | |
| 57 | |
| 1640 | 58 |
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59 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 60 |
| 61 #define LOGSEMANTIC 0 | |
| 62 | |
| 63 /********************************** | |
| 64 * Set operator precedence for each operator. | |
| 65 */ | |
| 66 | |
| 67 // Operator precedence - greater values are higher precedence | |
| 68 | |
| 69 enum PREC | |
| 70 { | |
| 71 PREC_zero, | |
| 72 PREC_expr, | |
| 73 PREC_assign, | |
| 74 PREC_cond, | |
| 75 PREC_oror, | |
| 76 PREC_andand, | |
| 77 PREC_or, | |
| 78 PREC_xor, | |
| 79 PREC_and, | |
| 80 PREC_equal, | |
| 81 PREC_rel, | |
| 82 PREC_shift, | |
| 83 PREC_add, | |
| 84 PREC_mul, | |
| 85 PREC_unary, | |
| 86 PREC_primary, | |
| 87 }; | |
| 88 | |
| 89 enum PREC precedence[TOKMAX]; | |
| 90 | |
| 91 void initPrecedence() | |
| 92 { | |
| 93 precedence[TOKdotvar] = PREC_primary; | |
| 94 precedence[TOKimport] = PREC_primary; | |
| 95 precedence[TOKidentifier] = PREC_primary; | |
| 96 precedence[TOKthis] = PREC_primary; | |
| 97 precedence[TOKsuper] = PREC_primary; | |
| 98 precedence[TOKint64] = PREC_primary; | |
| 99 precedence[TOKfloat64] = PREC_primary; | |
| 100 precedence[TOKnull] = PREC_primary; | |
| 101 precedence[TOKstring] = PREC_primary; | |
| 102 precedence[TOKarrayliteral] = PREC_primary; | |
| 103 precedence[TOKtypeid] = PREC_primary; | |
| 104 precedence[TOKis] = PREC_primary; | |
| 105 precedence[TOKassert] = PREC_primary; | |
| 106 precedence[TOKfunction] = PREC_primary; | |
| 107 precedence[TOKvar] = PREC_primary; | |
| 336 | 108 #if DMDV2 |
| 109 precedence[TOKdefault] = PREC_primary; | |
| 110 #endif | |
| 159 | 111 |
| 112 // post | |
| 113 precedence[TOKdotti] = PREC_primary; | |
| 114 precedence[TOKdot] = PREC_primary; | |
| 115 // precedence[TOKarrow] = PREC_primary; | |
| 116 precedence[TOKplusplus] = PREC_primary; | |
| 117 precedence[TOKminusminus] = PREC_primary; | |
| 118 precedence[TOKcall] = PREC_primary; | |
| 119 precedence[TOKslice] = PREC_primary; | |
| 120 precedence[TOKarray] = PREC_primary; | |
| 121 | |
| 122 precedence[TOKaddress] = PREC_unary; | |
| 123 precedence[TOKstar] = PREC_unary; | |
| 124 precedence[TOKneg] = PREC_unary; | |
| 125 precedence[TOKuadd] = PREC_unary; | |
| 126 precedence[TOKnot] = PREC_unary; | |
| 127 precedence[TOKtobool] = PREC_add; | |
| 128 precedence[TOKtilde] = PREC_unary; | |
| 129 precedence[TOKdelete] = PREC_unary; | |
| 130 precedence[TOKnew] = PREC_unary; | |
| 131 precedence[TOKcast] = PREC_unary; | |
| 132 | |
| 133 precedence[TOKmul] = PREC_mul; | |
| 134 precedence[TOKdiv] = PREC_mul; | |
| 135 precedence[TOKmod] = PREC_mul; | |
| 136 | |
| 137 precedence[TOKadd] = PREC_add; | |
| 138 precedence[TOKmin] = PREC_add; | |
| 139 precedence[TOKcat] = PREC_add; | |
| 140 | |
| 141 precedence[TOKshl] = PREC_shift; | |
| 142 precedence[TOKshr] = PREC_shift; | |
| 143 precedence[TOKushr] = PREC_shift; | |
| 144 | |
| 145 precedence[TOKlt] = PREC_rel; | |
| 146 precedence[TOKle] = PREC_rel; | |
| 147 precedence[TOKgt] = PREC_rel; | |
| 148 precedence[TOKge] = PREC_rel; | |
| 149 precedence[TOKunord] = PREC_rel; | |
| 150 precedence[TOKlg] = PREC_rel; | |
| 151 precedence[TOKleg] = PREC_rel; | |
| 152 precedence[TOKule] = PREC_rel; | |
| 153 precedence[TOKul] = PREC_rel; | |
| 154 precedence[TOKuge] = PREC_rel; | |
| 155 precedence[TOKug] = PREC_rel; | |
| 156 precedence[TOKue] = PREC_rel; | |
| 157 precedence[TOKin] = PREC_rel; | |
| 158 | |
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159 #if 0 |
| 159 | 160 precedence[TOKequal] = PREC_equal; |
| 161 precedence[TOKnotequal] = PREC_equal; | |
| 162 precedence[TOKidentity] = PREC_equal; | |
| 163 precedence[TOKnotidentity] = PREC_equal; | |
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164 #else |
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165 /* Note that we changed precedence, so that < and != have the same |
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166 * precedence. This change is in the parser, too. |
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167 */ |
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168 precedence[TOKequal] = PREC_rel; |
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169 precedence[TOKnotequal] = PREC_rel; |
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170 precedence[TOKidentity] = PREC_rel; |
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171 precedence[TOKnotidentity] = PREC_rel; |
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172 #endif |
| 159 | 173 |
| 174 precedence[TOKand] = PREC_and; | |
| 175 | |
| 176 precedence[TOKxor] = PREC_xor; | |
| 177 | |
| 178 precedence[TOKor] = PREC_or; | |
| 179 | |
| 180 precedence[TOKandand] = PREC_andand; | |
| 181 | |
| 182 precedence[TOKoror] = PREC_oror; | |
| 183 | |
| 184 precedence[TOKquestion] = PREC_cond; | |
| 185 | |
| 186 precedence[TOKassign] = PREC_assign; | |
| 187 precedence[TOKconstruct] = PREC_assign; | |
| 188 precedence[TOKblit] = PREC_assign; | |
| 189 precedence[TOKaddass] = PREC_assign; | |
| 190 precedence[TOKminass] = PREC_assign; | |
| 191 precedence[TOKcatass] = PREC_assign; | |
| 192 precedence[TOKmulass] = PREC_assign; | |
| 193 precedence[TOKdivass] = PREC_assign; | |
| 194 precedence[TOKmodass] = PREC_assign; | |
| 195 precedence[TOKshlass] = PREC_assign; | |
| 196 precedence[TOKshrass] = PREC_assign; | |
| 197 precedence[TOKushrass] = PREC_assign; | |
| 198 precedence[TOKandass] = PREC_assign; | |
| 199 precedence[TOKorass] = PREC_assign; | |
| 200 precedence[TOKxorass] = PREC_assign; | |
| 201 | |
| 202 precedence[TOKcomma] = PREC_expr; | |
| 203 } | |
| 204 | |
| 336 | 205 /************************************************************* |
| 206 * Given var, we need to get the | |
| 207 * right 'this' pointer if var is in an outer class, but our | |
| 208 * existing 'this' pointer is in an inner class. | |
| 209 * Input: | |
| 210 * e1 existing 'this' | |
| 211 * ad struct or class we need the correct 'this' for | |
| 212 * var the specific member of ad we're accessing | |
| 213 */ | |
| 214 | |
| 215 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 216 Expression *e1, Declaration *var) | |
| 217 { | |
| 218 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 219 L1: | |
| 220 Type *t = e1->type->toBasetype(); | |
| 221 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 222 | |
| 223 /* If e1 is not the 'this' pointer for ad | |
| 224 */ | |
| 225 if (ad && | |
| 226 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 227 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 228 && | |
| 229 !(t->ty == Tstruct && | |
| 230 ((TypeStruct *)t)->sym == ad) | |
| 231 ) | |
| 232 { | |
| 233 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 234 ClassDeclaration *tcd = t->isClassHandle(); | |
| 235 | |
| 236 /* e1 is the right this if ad is a base class of e1 | |
| 237 */ | |
| 238 if (!cd || !tcd || | |
| 239 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 240 ) | |
| 241 { | |
| 242 /* Only classes can be inner classes with an 'outer' | |
| 243 * member pointing to the enclosing class instance | |
| 244 */ | |
| 245 if (tcd && tcd->isNested()) | |
| 246 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 247 * Rewrite it as the 'this' pointer for the outer class. | |
| 248 */ | |
| 249 | |
| 250 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 251 e1->type = tcd->vthis->type; | |
| 252 // Do not call checkNestedRef() | |
| 253 //e1 = e1->semantic(sc); | |
| 254 | |
| 255 // Skip up over nested functions, and get the enclosing | |
| 256 // class type. | |
| 257 int n = 0; | |
| 258 Dsymbol *s; | |
| 259 for (s = tcd->toParent(); | |
| 260 s && s->isFuncDeclaration(); | |
| 261 s = s->toParent()) | |
| 262 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 263 if (f->vthis) | |
| 264 { | |
| 265 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 266 n++; | |
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267 |
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268 // LDC seems dmd misses it sometimes here :/ |
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269 f->vthis->nestedref = 1; |
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270 |
| 336 | 271 e1 = new VarExp(loc, f->vthis); |
| 272 } | |
| 273 } | |
| 274 if (s && s->isClassDeclaration()) | |
| 275 { e1->type = s->isClassDeclaration()->type; | |
| 276 if (n > 1) | |
| 277 e1 = e1->semantic(sc); | |
| 278 } | |
| 279 else | |
| 280 e1 = e1->semantic(sc); | |
| 281 goto L1; | |
| 282 } | |
| 283 /* Can't find a path from e1 to ad | |
| 284 */ | |
| 285 e1->error("this for %s needs to be type %s not type %s", | |
| 286 var->toChars(), ad->toChars(), t->toChars()); | |
| 287 } | |
| 288 } | |
| 289 return e1; | |
| 290 } | |
| 291 | |
| 159 | 292 /***************************************** |
| 293 * Determine if 'this' is available. | |
| 294 * If it is, return the FuncDeclaration that has it. | |
| 295 */ | |
| 296 | |
| 297 FuncDeclaration *hasThis(Scope *sc) | |
| 298 { FuncDeclaration *fd; | |
| 299 FuncDeclaration *fdthis; | |
| 300 | |
| 301 //printf("hasThis()\n"); | |
| 302 fdthis = sc->parent->isFuncDeclaration(); | |
| 303 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 304 | |
| 305 // Go upwards until we find the enclosing member function | |
| 306 fd = fdthis; | |
| 307 while (1) | |
| 308 { | |
| 309 if (!fd) | |
| 310 { | |
| 311 goto Lno; | |
| 312 } | |
| 313 if (!fd->isNested()) | |
| 314 break; | |
| 315 | |
| 316 Dsymbol *parent = fd->parent; | |
| 317 while (parent) | |
| 318 { | |
| 319 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 320 if (ti) | |
| 321 parent = ti->parent; | |
| 322 else | |
| 323 break; | |
| 324 } | |
| 325 | |
| 326 fd = fd->parent->isFuncDeclaration(); | |
| 327 } | |
| 328 | |
| 329 if (!fd->isThis()) | |
| 330 { //printf("test '%s'\n", fd->toChars()); | |
| 331 goto Lno; | |
| 332 } | |
| 333 | |
| 334 assert(fd->vthis); | |
| 335 return fd; | |
| 336 | |
| 337 Lno: | |
| 338 return NULL; // don't have 'this' available | |
| 339 } | |
| 340 | |
| 341 | |
| 342 /*************************************** | |
| 343 * Pull out any properties. | |
| 344 */ | |
| 345 | |
| 346 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 347 { | |
| 348 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 349 if (e->type) | |
| 350 { | |
| 351 Type *t = e->type->toBasetype(); | |
| 352 | |
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353 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 354 { |
| 355 e = new CallExp(e->loc, e); | |
| 356 e = e->semantic(sc); | |
| 357 } | |
| 358 | |
| 359 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 360 */ | |
| 361 else if (e->op == TOKvar) | |
| 362 { VarExp *ve = (VarExp *)e; | |
| 363 | |
| 364 if (ve->var->storage_class & STClazy) | |
| 365 { | |
| 366 e = new CallExp(e->loc, e); | |
| 367 e = e->semantic(sc); | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 else if (e->op == TOKdotexp) | |
| 372 { | |
| 373 e->error("expression has no value"); | |
| 374 } | |
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375 |
| 159 | 376 } |
| 1587 | 377 else if (e->op == TOKdottd) |
| 378 { | |
| 379 e = new CallExp(e->loc, e); | |
| 380 e = e->semantic(sc); | |
| 381 } | |
| 159 | 382 return e; |
| 383 } | |
| 384 | |
| 385 /****************************** | |
| 386 * Perform semantic() on an array of Expressions. | |
| 387 */ | |
| 388 | |
| 389 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 390 { | |
| 391 if (exps) | |
| 392 { | |
| 393 for (size_t i = 0; i < exps->dim; i++) | |
| 394 { Expression *e = (Expression *)exps->data[i]; | |
| 395 | |
| 396 e = e->semantic(sc); | |
| 397 exps->data[i] = (void *)e; | |
| 398 } | |
| 399 } | |
| 400 } | |
| 401 | |
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402 |
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403 /****************************** |
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404 * Perform canThrow() on an array of Expressions. |
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405 */ |
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406 |
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407 #if DMDV2 |
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408 int arrayExpressionCanThrow(Expressions *exps) |
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409 { |
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410 if (exps) |
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411 { |
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412 for (size_t i = 0; i < exps->dim; i++) |
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413 { Expression *e = (Expression *)exps->data[i]; |
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414 if (e && e->canThrow()) |
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415 return 1; |
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416 } |
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417 } |
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418 return 0; |
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419 } |
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420 #endif |
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421 |
| 159 | 422 /**************************************** |
| 423 * Expand tuples. | |
| 424 */ | |
| 425 | |
| 426 void expandTuples(Expressions *exps) | |
| 427 { | |
| 428 //printf("expandTuples()\n"); | |
| 429 if (exps) | |
| 430 { | |
| 431 for (size_t i = 0; i < exps->dim; i++) | |
| 432 { Expression *arg = (Expression *)exps->data[i]; | |
| 433 if (!arg) | |
| 434 continue; | |
| 435 | |
| 436 // Look for tuple with 0 members | |
| 437 if (arg->op == TOKtype) | |
| 438 { TypeExp *e = (TypeExp *)arg; | |
| 439 if (e->type->toBasetype()->ty == Ttuple) | |
| 440 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 441 | |
| 442 if (!tt->arguments || tt->arguments->dim == 0) | |
| 443 { | |
| 444 exps->remove(i); | |
| 445 if (i == exps->dim) | |
| 446 return; | |
| 447 i--; | |
| 448 continue; | |
| 449 } | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 // Inline expand all the tuples | |
| 454 while (arg->op == TOKtuple) | |
| 455 { TupleExp *te = (TupleExp *)arg; | |
| 456 | |
| 457 exps->remove(i); // remove arg | |
| 458 exps->insert(i, te->exps); // replace with tuple contents | |
| 459 if (i == exps->dim) | |
| 460 return; // empty tuple, no more arguments | |
| 461 arg = (Expression *)exps->data[i]; | |
| 462 } | |
| 463 } | |
| 464 } | |
| 465 } | |
| 466 | |
|
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467 Expressions *arrayExpressionToCommonType(Scope *sc, Expressions *exps, Type **pt) |
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468 { |
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469 #if DMDV1 |
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470 /* The first element sets the type |
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471 */ |
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472 Type *t0 = NULL; |
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473 for (size_t i = 0; i < exps->dim; i++) |
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474 { Expression *e = (Expression *)exps->data[i]; |
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475 |
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476 if (!e->type) |
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477 { error("%s has no value", e->toChars()); |
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478 e = new ErrorExp(); |
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479 } |
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480 e = resolveProperties(sc, e); |
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481 |
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482 if (!t0) |
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483 t0 = e->type; |
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484 else |
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485 e = e->implicitCastTo(sc, t0); |
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486 exps->data[i] = (void *)e; |
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487 } |
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488 |
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489 if (!t0) |
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490 t0 = Type::tvoid; |
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491 if (pt) |
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492 *pt = t0; |
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493 |
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494 // Eventually, we want to make this copy-on-write |
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495 return exps; |
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496 #endif |
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497 #if DMDV2 |
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498 /* The type is determined by applying ?: to each pair. |
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499 */ |
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500 IntegerExp integerexp(0); |
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501 CondExp condexp(0, &integerexp, NULL, NULL); |
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502 |
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503 Type *t0 = NULL; |
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504 Expression *e0; |
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505 int j0; |
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506 for (size_t i = 0; i < exps->dim; i++) |
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507 { Expression *e = (Expression *)exps->data[i]; |
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508 |
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509 e = resolveProperties(sc, e); |
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510 if (!e->type) |
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511 { error("%s has no value", e->toChars()); |
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512 e = new ErrorExp(); |
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513 } |
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514 |
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515 if (t0) |
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516 { if (t0 != e->type) |
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517 { |
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518 /* This applies ?: to merge the types. It's backwards; |
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519 * ?: should call this function to merge types. |
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520 */ |
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521 condexp.type = NULL; |
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522 condexp.e1 = e0; |
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523 condexp.e2 = e; |
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524 condexp.semantic(sc); |
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525 exps->data[j0] = (void *)condexp.e1; |
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526 e = condexp.e2; |
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527 t0 = e->type; |
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528 } |
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529 } |
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530 else |
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531 { j0 = i; |
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532 e0 = e; |
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533 t0 = e->type; |
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534 } |
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535 exps->data[i] = (void *)e; |
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536 } |
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537 |
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538 if (t0) |
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539 { |
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540 for (size_t i = 0; i < exps->dim; i++) |
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541 { Expression *e = (Expression *)exps->data[i]; |
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542 e = e->implicitCastTo(sc, t0); |
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543 exps->data[i] = (void *)e; |
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544 } |
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545 } |
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546 else |
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547 t0 = Type::tvoid; // [] is typed as void[] |
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548 if (pt) |
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549 *pt = t0; |
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550 |
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551 // Eventually, we want to make this copy-on-write |
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552 return exps; |
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553 #endif |
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554 } |
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555 |
| 159 | 556 /**************************************** |
| 557 * Preprocess arguments to function. | |
| 558 */ | |
| 559 | |
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560 void preFunctionParameters(Loc loc, Scope *sc, Expressions *exps) |
| 159 | 561 { |
| 562 if (exps) | |
| 563 { | |
| 564 expandTuples(exps); | |
| 565 | |
| 566 for (size_t i = 0; i < exps->dim; i++) | |
| 567 { Expression *arg = (Expression *)exps->data[i]; | |
| 568 | |
| 569 if (!arg->type) | |
| 570 { | |
| 571 #ifdef DEBUG | |
| 572 if (!global.gag) | |
| 573 printf("1: \n"); | |
| 574 #endif | |
| 575 arg->error("%s is not an expression", arg->toChars()); | |
| 576 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 577 } | |
| 578 | |
| 579 arg = resolveProperties(sc, arg); | |
| 580 exps->data[i] = (void *) arg; | |
| 581 | |
| 582 //arg->rvalue(); | |
| 583 #if 0 | |
| 584 if (arg->type->ty == Tfunction) | |
| 585 { | |
| 586 arg = new AddrExp(arg->loc, arg); | |
| 587 arg = arg->semantic(sc); | |
| 588 exps->data[i] = (void *) arg; | |
| 589 } | |
| 590 #endif | |
| 591 } | |
| 592 } | |
| 593 } | |
| 594 | |
| 336 | 595 /********************************************* |
| 596 * Call copy constructor for struct value argument. | |
| 597 */ | |
| 598 #if DMDV2 | |
| 599 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 600 { | |
| 601 Type *tb = e->type->toBasetype(); | |
| 602 assert(tb->ty == Tstruct); | |
| 603 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 604 if (sd->cpctor) | |
| 605 { | |
| 606 /* Create a variable tmp, and replace the argument e with: | |
| 607 * (tmp = e),tmp | |
| 608 * and let AssignExp() handle the construction. | |
| 609 * This is not the most efficent, ideally tmp would be constructed | |
| 610 * directly onto the stack. | |
| 611 */ | |
| 612 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 613 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 614 Expression *ae = new DeclarationExp(loc, tmp); | |
| 615 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 616 e = e->semantic(sc); | |
| 617 } | |
| 618 return e; | |
| 619 } | |
| 620 #endif | |
| 159 | 621 |
| 622 /**************************************** | |
| 623 * Now that we know the exact type of the function we're calling, | |
| 624 * the arguments[] need to be adjusted: | |
|
510
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625 * 1. implicitly convert argument to the corresponding parameter type |
|
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|
626 * 2. add default arguments for any missing arguments |
|
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|
627 * 3. do default promotions on arguments corresponding to ... |
|
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628 * 4. add hidden _arguments[] argument |
| 159 | 629 */ |
| 630 | |
|
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Merge DMD r253: refactor: Argument => Parameter
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|
631 void functionParameters(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) |
| 159 | 632 { |
| 633 unsigned n; | |
| 634 | |
|
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|
635 //printf("functionParameters()\n"); |
| 159 | 636 assert(arguments); |
| 637 size_t nargs = arguments ? arguments->dim : 0; | |
|
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|
638 size_t nparams = Parameter::dim(tf->parameters); |
| 159 | 639 |
| 640 if (nargs > nparams && tf->varargs == 0) | |
| 1587 | 641 error(loc, "expected %zu arguments, not %zu for non-variadic function type %s", nparams, nargs, tf->toChars()); |
| 159 | 642 |
| 643 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 644 | |
|
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645 int done = 0; |
| 159 | 646 for (size_t i = 0; i < n; i++) |
| 647 { | |
| 648 Expression *arg; | |
| 649 | |
| 650 if (i < nargs) | |
| 651 arg = (Expression *)arguments->data[i]; | |
| 652 else | |
| 653 arg = NULL; | |
|
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654 Type *tb; |
| 159 | 655 |
| 656 if (i < nparams) | |
| 657 { | |
|
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658 Parameter *p = Parameter::getNth(tf->parameters, i); |
| 159 | 659 |
| 660 if (!arg) | |
| 661 { | |
| 662 if (!p->defaultArg) | |
| 663 { | |
| 664 if (tf->varargs == 2 && i + 1 == nparams) | |
| 665 goto L2; | |
| 1587 | 666 error(loc, "expected %zu function arguments, not %zu", nparams, nargs); |
|
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|
667 return; |
| 159 | 668 } |
| 336 | 669 arg = p->defaultArg; |
| 670 #if DMDV2 | |
| 671 if (arg->op == TOKdefault) | |
| 672 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 673 arg = de->resolve(loc, sc); | |
| 674 } | |
| 675 else | |
| 676 #endif | |
| 677 arg = arg->copy(); | |
| 159 | 678 arguments->push(arg); |
| 679 nargs++; | |
| 680 } | |
| 681 | |
| 682 if (tf->varargs == 2 && i + 1 == nparams) | |
| 683 { | |
| 684 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 685 if (arg->implicitConvTo(p->type)) | |
| 686 { | |
| 687 if (nargs != nparams) | |
|
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|
688 { error(loc, "expected %zu function arguments, not %zu", nparams, nargs); |
|
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|
689 return; |
|
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|
690 } |
| 159 | 691 goto L1; |
| 692 } | |
| 693 L2: | |
| 694 Type *tb = p->type->toBasetype(); | |
| 695 Type *tret = p->isLazyArray(); | |
| 696 switch (tb->ty) | |
| 697 { | |
| 698 case Tsarray: | |
| 699 case Tarray: | |
| 700 { // Create a static array variable v of type arg->type | |
| 701 #ifdef IN_GCC | |
| 702 /* GCC 4.0 does not like zero length arrays used like | |
| 703 this; pass a null array value instead. Could also | |
| 704 just make a one-element array. */ | |
| 705 if (nargs - i == 0) | |
| 706 { | |
| 707 arg = new NullExp(loc); | |
| 708 break; | |
| 709 } | |
| 710 #endif | |
|
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|
711 Identifier *id = Lexer::uniqueId("__arrayArg"); |
|
330f999ade44
Merged DMD 1.038
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|
712 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 713 t = t->semantic(loc, sc); |
| 714 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
|
1621
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Leandro Lucarella <llucax@gmail.com>
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diff
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|
715 v->storage_class |= STCctfe; |
| 159 | 716 v->semantic(sc); |
| 717 v->parent = sc->parent; | |
| 718 //sc->insert(v); | |
| 719 | |
| 720 Expression *c = new DeclarationExp(0, v); | |
| 721 c->type = v->type; | |
| 722 | |
| 723 for (size_t u = i; u < nargs; u++) | |
| 724 { Expression *a = (Expression *)arguments->data[u]; | |
|
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Merged DMD 1.038
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|
725 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 726 a = a->toDelegate(sc, tret); |
| 727 | |
| 728 Expression *e = new VarExp(loc, v); | |
| 729 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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Merged DMD 1.038
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|
730 AssignExp *ae = new AssignExp(loc, e, a); |
|
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Merged DMD 1.038
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|
731 #if DMDV2 |
|
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Merged DMD 1.038
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|
732 ae->op = TOKconstruct; |
|
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diff
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|
733 #endif |
| 159 | 734 if (c) |
|
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diff
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|
735 c = new CommaExp(loc, c, ae); |
| 159 | 736 else |
|
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Merged DMD 1.038
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|
737 c = ae; |
| 159 | 738 } |
| 739 arg = new VarExp(loc, v); | |
| 740 if (c) | |
| 741 arg = new CommaExp(loc, c, arg); | |
| 742 break; | |
| 743 } | |
| 744 case Tclass: | |
| 745 { /* Set arg to be: | |
| 746 * new Tclass(arg0, arg1, ..., argn) | |
| 747 */ | |
| 748 Expressions *args = new Expressions(); | |
| 749 args->setDim(nargs - i); | |
| 750 for (size_t u = i; u < nargs; u++) | |
| 751 args->data[u - i] = arguments->data[u]; | |
| 752 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 753 break; | |
| 754 } | |
| 755 default: | |
| 756 if (!arg) | |
| 757 { error(loc, "not enough arguments"); | |
| 758 return; | |
| 759 } | |
| 760 break; | |
| 761 } | |
| 762 arg = arg->semantic(sc); | |
| 763 //printf("\targ = '%s'\n", arg->toChars()); | |
| 764 arguments->setDim(i + 1); | |
| 765 done = 1; | |
| 766 } | |
| 767 | |
| 768 L1: | |
| 769 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 1587 | 770 { |
| 771 if (p->type != arg->type) | |
| 772 { | |
| 773 //printf("arg->type = %s, p->type = %s\n", arg->type->toChars(), p->type->toChars()); | |
| 774 if (arg->op == TOKtype) | |
| 775 arg->error("cannot pass type %s as function argument", arg->toChars()); | |
| 776 arg = arg->implicitCastTo(sc, p->type); | |
| 777 arg = arg->optimize(WANTvalue); | |
| 778 } | |
| 779 } | |
| 159 | 780 if (p->storageClass & (STCout | STCref)) |
| 781 { | |
| 782 // BUG: should check that argument to ref is type 'invariant' | |
| 783 // BUG: assignments to ref should also be type 'invariant' | |
| 784 arg = arg->modifiableLvalue(sc, arg); | |
| 785 | |
| 786 //if (arg->op == TOKslice) | |
| 787 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 788 } | |
| 789 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
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|
790 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
791 #if !IN_LLVM |
| 159 | 792 // Convert static arrays to pointers |
| 793 tb = arg->type->toBasetype(); | |
| 794 if (tb->ty == Tsarray) | |
| 795 { | |
| 796 arg = arg->checkToPointer(); | |
| 797 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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717
diff
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|
798 #endif |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
799 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
800 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
801 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
802 arg = callCpCtor(loc, sc, arg); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
803 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
804 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
805 |
| 159 | 806 // Convert lazy argument to a delegate |
| 807 if (p->storageClass & STClazy) | |
| 808 { | |
| 809 arg = arg->toDelegate(sc, p->type); | |
| 810 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
811 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
812 /* Look for arguments that cannot 'escape' from the called |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
813 * function. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
814 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
815 if (!tf->parameterEscapes(p)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
816 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
817 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
818 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
819 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
820 if (arg->op == TOKfunction) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
821 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
822 fe->fd->tookAddressOf = 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
823 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
824 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
825 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
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parents:
846
diff
changeset
|
826 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
827 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
828 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
829 else if (arg->op == TOKdelegate) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
830 { DelegateExp *de = (DelegateExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
831 if (de->e1->op == TOKvar) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
832 { VarExp *ve = (VarExp *)de->e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
833 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
834 if (f) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
835 { f->tookAddressOf--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
836 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
837 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
838 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
839 } |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
840 } |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
841 #endif |
| 159 | 842 } |
| 843 else | |
| 844 { | |
| 845 | |
| 846 // If not D linkage, do promotions | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
717
diff
changeset
|
847 // LDC: don't do promotions on intrinsics |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
848 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 849 { |
| 850 // Promote bytes, words, etc., to ints | |
| 851 arg = arg->integralPromotions(sc); | |
| 852 | |
| 853 // Promote floats to doubles | |
| 854 switch (arg->type->ty) | |
| 855 { | |
| 856 case Tfloat32: | |
| 857 arg = arg->castTo(sc, Type::tfloat64); | |
| 858 break; | |
| 859 | |
| 860 case Timaginary32: | |
| 861 arg = arg->castTo(sc, Type::timaginary64); | |
| 862 break; | |
| 863 } | |
| 864 } | |
| 865 | |
| 866 // Convert static arrays to dynamic arrays | |
| 867 tb = arg->type->toBasetype(); | |
| 868 if (tb->ty == Tsarray) | |
| 869 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 870 Type *ta = ts->next->arrayOf(); |
| 159 | 871 if (ts->size(arg->loc) == 0) |
|
1626
8fa4ab3dcc88
Merge DMD r320: refactor
Leandro Lucarella <llucax@gmail.com>
parents:
1621
diff
changeset
|
872 arg = new NullExp(arg->loc, ta); |
| 159 | 873 else |
| 874 arg = arg->castTo(sc, ta); | |
| 875 } | |
| 336 | 876 #if DMDV2 |
| 877 if (tb->ty == Tstruct) | |
| 878 { | |
| 879 arg = callCpCtor(loc, sc, arg); | |
| 880 } | |
| 1587 | 881 #endif |
| 336 | 882 |
| 883 // Give error for overloaded function addresses | |
| 1587 | 884 #if DMDV2 |
| 336 | 885 if (arg->op == TOKsymoff) |
| 886 { SymOffExp *se = (SymOffExp *)arg; | |
| 1587 | 887 if ( |
| 888 se->hasOverloads && | |
| 889 !se->var->isFuncDeclaration()->isUnique()) | |
| 336 | 890 arg->error("function %s is overloaded", arg->toChars()); |
| 891 } | |
| 892 #endif | |
| 159 | 893 arg->rvalue(); |
| 894 } | |
| 895 arg = arg->optimize(WANTvalue); | |
| 896 arguments->data[i] = (void *) arg; | |
| 897 if (done) | |
| 898 break; | |
| 899 } | |
| 900 | |
| 901 #if !IN_LLVM | |
| 902 // If D linkage and variadic, add _arguments[] as first argument | |
| 903 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 904 { | |
|
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905 assert(arguments->dim >= nparams); |
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906 Expression *e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], |
| 159 | 907 arguments->dim - nparams); |
| 908 arguments->insert(0, e); | |
| 909 } | |
| 910 #endif | |
| 911 } | |
| 912 | |
| 913 /************************************************** | |
| 914 * Write expression out to buf, but wrap it | |
| 915 * in ( ) if its precedence is less than pr. | |
| 916 */ | |
| 917 | |
| 918 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 919 { | |
| 336 | 920 //if (precedence[e->op] == 0) e->dump(0); |
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921 if (precedence[e->op] < pr || |
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922 /* Despite precedence, we don't allow a<b<c expressions. |
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923 * They must be parenthesized. |
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924 */ |
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925 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 926 { |
| 927 buf->writeByte('('); | |
| 928 e->toCBuffer(buf, hgs); | |
| 929 buf->writeByte(')'); | |
| 930 } | |
| 931 else | |
| 932 e->toCBuffer(buf, hgs); | |
| 933 } | |
| 934 | |
| 935 /************************************************** | |
| 936 * Write out argument list to buf. | |
| 937 */ | |
| 938 | |
| 939 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 940 { | |
| 941 if (arguments) | |
| 942 { | |
| 943 for (size_t i = 0; i < arguments->dim; i++) | |
| 944 { Expression *arg = (Expression *)arguments->data[i]; | |
| 945 | |
| 946 if (arg) | |
| 947 { if (i) | |
| 948 buf->writeByte(','); | |
| 949 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 950 } | |
| 951 } | |
| 952 } | |
| 953 } | |
| 954 | |
| 955 /************************************************** | |
| 956 * Write out argument types to buf. | |
| 957 */ | |
| 958 | |
| 959 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 960 { | |
| 961 if (arguments) | |
| 962 { OutBuffer argbuf; | |
| 963 | |
| 964 for (size_t i = 0; i < arguments->dim; i++) | |
| 965 { Expression *arg = (Expression *)arguments->data[i]; | |
| 966 | |
| 967 if (i) | |
| 968 buf->writeByte(','); | |
| 969 argbuf.reset(); | |
| 970 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 971 buf->write(&argbuf); | |
| 972 } | |
| 973 } | |
| 974 } | |
| 975 | |
| 976 /******************************** Expression **************************/ | |
| 977 | |
| 978 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 979 : loc(loc) | |
| 980 { | |
|
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981 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 982 this->loc = loc; |
| 983 this->op = op; | |
| 984 this->size = size; | |
| 985 type = NULL; | |
|
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986 |
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987 #if IN_LLVM |
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988 cachedLvalue = NULL; |
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989 #endif |
| 159 | 990 } |
| 991 | |
| 992 Expression *Expression::syntaxCopy() | |
| 993 { | |
| 994 //printf("Expression::syntaxCopy()\n"); | |
| 995 //dump(0); | |
| 996 return copy(); | |
| 997 } | |
| 998 | |
| 999 /********************************* | |
| 1000 * Does *not* do a deep copy. | |
| 1001 */ | |
| 1002 | |
| 1003 Expression *Expression::copy() | |
| 1004 { | |
| 1005 Expression *e; | |
| 1006 if (!size) | |
| 1007 { | |
| 1008 #ifdef DEBUG | |
| 1009 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 1010 printf("op = %d\n", op); | |
| 1011 dump(0); | |
| 1012 #endif | |
| 1013 assert(0); | |
| 1014 } | |
| 1015 e = (Expression *)mem.malloc(size); | |
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1016 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 1017 return (Expression *)memcpy(e, this, size); |
| 1018 } | |
| 1019 | |
| 1020 /************************** | |
| 1021 * Semantically analyze Expression. | |
| 1022 * Determine types, fold constants, etc. | |
| 1023 */ | |
| 1024 | |
| 1025 Expression *Expression::semantic(Scope *sc) | |
| 1026 { | |
| 1027 #if LOGSEMANTIC | |
| 336 | 1028 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 1029 #endif |
| 1030 if (type) | |
| 1031 type = type->semantic(loc, sc); | |
| 1032 else | |
| 1033 type = Type::tvoid; | |
| 1034 return this; | |
| 1035 } | |
| 1036 | |
| 1037 void Expression::print() | |
| 1038 { | |
| 1039 fprintf(stdmsg, "%s\n", toChars()); | |
| 1040 fflush(stdmsg); | |
| 1041 } | |
| 1042 | |
| 1043 char *Expression::toChars() | |
| 1044 { OutBuffer *buf; | |
| 1045 HdrGenState hgs; | |
| 1046 | |
| 1047 memset(&hgs, 0, sizeof(hgs)); | |
| 1048 buf = new OutBuffer(); | |
| 1049 toCBuffer(buf, &hgs); | |
| 1050 return buf->toChars(); | |
| 1051 } | |
| 1052 | |
| 1053 void Expression::error(const char *format, ...) | |
| 1054 { | |
| 1055 va_list ap; | |
| 1056 va_start(ap, format); | |
| 1057 ::verror(loc, format, ap); | |
| 1058 va_end( ap ); | |
| 1059 } | |
| 1060 | |
|
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1061 void Expression::warning(const char *format, ...) |
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1062 { |
| 1640 | 1063 va_list ap; |
| 1064 va_start(ap, format); | |
| 1065 ::vwarning(loc, format, ap); | |
| 1066 va_end( ap ); | |
|
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1067 } |
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1068 |
| 159 | 1069 void Expression::rvalue() |
| 1070 { | |
| 1071 if (type && type->toBasetype()->ty == Tvoid) | |
| 1072 { error("expression %s is void and has no value", toChars()); | |
| 1073 #if 0 | |
| 1074 dump(0); | |
| 1075 halt(); | |
| 1076 #endif | |
| 1640 | 1077 type = Type::terror; |
| 159 | 1078 } |
| 1079 } | |
| 1080 | |
| 1081 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 1082 { | |
| 1083 if (e1) | |
| 1084 { | |
| 1085 if (e2) | |
| 1086 { | |
| 1087 e1 = new CommaExp(e1->loc, e1, e2); | |
| 1088 e1->type = e2->type; | |
| 1089 } | |
| 1090 } | |
| 1091 else | |
| 1092 e1 = e2; | |
| 1093 return e1; | |
| 1094 } | |
| 1095 | |
|
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1096 dinteger_t Expression::toInteger() |
| 159 | 1097 { |
| 1098 //printf("Expression %s\n", Token::toChars(op)); | |
| 1099 error("Integer constant expression expected instead of %s", toChars()); | |
| 1100 return 0; | |
| 1101 } | |
| 1102 | |
| 1103 uinteger_t Expression::toUInteger() | |
| 1104 { | |
| 1105 //printf("Expression %s\n", Token::toChars(op)); | |
| 1106 return (uinteger_t)toInteger(); | |
| 1107 } | |
| 1108 | |
| 1109 real_t Expression::toReal() | |
| 1110 { | |
| 1111 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1112 return 0; | |
| 1113 } | |
| 1114 | |
| 1115 real_t Expression::toImaginary() | |
| 1116 { | |
| 1117 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1118 return 0; | |
| 1119 } | |
| 1120 | |
| 1121 complex_t Expression::toComplex() | |
| 1122 { | |
| 1123 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1124 #ifdef IN_GCC | |
| 1125 return complex_t(real_t(0)); // %% nicer | |
| 1126 #else | |
| 1127 return 0; | |
| 1128 #endif | |
| 1129 } | |
| 1130 | |
| 1131 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1132 { | |
| 1133 buf->writestring(Token::toChars(op)); | |
| 1134 } | |
| 1135 | |
| 1136 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1137 { | |
| 1138 error("expression %s is not a valid template value argument", toChars()); | |
| 1640 | 1139 #ifdef DEBUG |
| 1140 dump(0); | |
| 1141 #endif | |
| 159 | 1142 } |
| 1143 | |
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1144 /*************************************** |
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1145 * Return !=0 if expression is an lvalue. |
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1146 */ |
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1147 #if DMDV2 |
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1148 int Expression::isLvalue() |
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1149 { |
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1150 return 0; |
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1151 } |
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1152 #endif |
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1153 |
| 159 | 1154 /******************************* |
| 1155 * Give error if we're not an lvalue. | |
| 1156 * If we can, convert expression to be an lvalue. | |
| 1157 */ | |
| 1158 | |
| 1159 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1160 { | |
| 1161 if (!e) | |
| 1162 e = this; | |
| 1163 else if (!loc.filename) | |
| 1164 loc = e->loc; | |
| 1165 error("%s is not an lvalue", e->toChars()); | |
| 1166 return this; | |
| 1167 } | |
| 1168 | |
| 1169 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1170 { | |
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1171 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1172 |
| 159 | 1173 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1174 #if DMDV2 |
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1175 if (type && (!type->isMutable() || !type->isAssignable())) |
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1176 error("%s is not mutable", e->toChars()); |
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1177 #endif |
| 159 | 1178 return toLvalue(sc, e); |
| 1179 } | |
| 1180 | |
| 1181 /************************************ | |
| 1182 * Detect cases where pointers to the stack can 'escape' the | |
| 1183 * lifetime of the stack frame. | |
| 1184 */ | |
| 1185 | |
| 1186 void Expression::checkEscape() | |
| 1187 { | |
| 1188 } | |
| 1189 | |
|
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1190 void Expression::checkEscapeRef() |
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1191 { |
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1192 } |
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1193 |
| 159 | 1194 void Expression::checkScalar() |
| 1195 { | |
| 1196 if (!type->isscalar()) | |
| 1197 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1198 } | |
| 1199 | |
| 1200 void Expression::checkNoBool() | |
| 1201 { | |
| 1202 if (type->toBasetype()->ty == Tbool) | |
| 1203 error("operation not allowed on bool '%s'", toChars()); | |
| 1204 } | |
| 1205 | |
| 1206 Expression *Expression::checkIntegral() | |
| 1207 { | |
| 1208 if (!type->isintegral()) | |
| 1209 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
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1210 return new ErrorExp(); |
| 159 | 1211 } |
| 1212 return this; | |
| 1213 } | |
| 1214 | |
| 1215 Expression *Expression::checkArithmetic() | |
| 1216 { | |
| 1217 if (!type->isintegral() && !type->isfloating()) | |
| 1218 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
|
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1219 return new ErrorExp(); |
| 159 | 1220 } |
| 1221 return this; | |
| 1222 } | |
| 1223 | |
| 1224 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1225 { | |
| 1226 s->checkDeprecated(loc, sc); | |
| 1227 } | |
| 1228 | |
|
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1229 #if DMDV2 |
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1230 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1231 { |
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1232 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1233 error("pure function '%s' cannot call impure function '%s'\n", |
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1234 sc->func->toChars(), f->toChars()); |
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1235 } |
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1236 #endif |
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1237 |
| 159 | 1238 /******************************** |
| 1239 * Check for expressions that have no use. | |
| 1240 * Input: | |
| 1241 * flag 0 not going to use the result, so issue error message if no | |
| 1242 * side effects | |
| 1243 * 1 the result of the expression is used, but still check | |
| 1244 * for useless subexpressions | |
| 1245 * 2 do not issue error messages, just return !=0 if expression | |
| 1246 * has side effects | |
| 1247 */ | |
| 1248 | |
| 1249 int Expression::checkSideEffect(int flag) | |
| 1250 { | |
| 1251 if (flag == 0) | |
| 1252 { if (op == TOKimport) | |
| 1253 { | |
| 1254 error("%s has no effect", toChars()); | |
| 1255 } | |
| 1256 else | |
| 1257 error("%s has no effect in expression (%s)", | |
| 1258 Token::toChars(op), toChars()); | |
| 1259 } | |
| 1260 return 0; | |
| 1261 } | |
| 1262 | |
| 1263 /***************************** | |
| 1264 * Check that expression can be tested for true or false. | |
| 1265 */ | |
| 1266 | |
| 1267 Expression *Expression::checkToBoolean() | |
| 1268 { | |
| 1269 // Default is 'yes' - do nothing | |
| 1270 | |
| 1271 #ifdef DEBUG | |
| 1272 if (!type) | |
| 1273 dump(0); | |
| 1274 #endif | |
| 1275 | |
| 1276 if (!type->checkBoolean()) | |
| 1277 { | |
| 1278 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1279 } | |
| 1280 return this; | |
| 1281 } | |
| 1282 | |
| 1283 /**************************** | |
| 1284 */ | |
| 1285 | |
| 1286 Expression *Expression::checkToPointer() | |
| 1287 { | |
| 1288 Expression *e; | |
| 1289 Type *tb; | |
| 1290 | |
| 1291 //printf("Expression::checkToPointer()\n"); | |
| 1292 e = this; | |
| 1293 | |
| 1294 // If C static array, convert to pointer | |
| 1295 tb = type->toBasetype(); | |
| 1296 if (tb->ty == Tsarray) | |
| 1297 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1298 if (ts->size(loc) == 0) | |
| 1299 e = new NullExp(loc); | |
| 1300 else | |
| 1301 e = new AddrExp(loc, this); | |
| 336 | 1302 e->type = ts->next->pointerTo(); |
| 159 | 1303 } |
| 1304 return e; | |
| 1305 } | |
| 1306 | |
| 1307 /****************************** | |
| 1308 * Take address of expression. | |
| 1309 */ | |
| 1310 | |
| 1311 Expression *Expression::addressOf(Scope *sc) | |
| 1312 { | |
| 1313 Expression *e; | |
| 1314 | |
| 1315 //printf("Expression::addressOf()\n"); | |
| 1316 e = toLvalue(sc, NULL); | |
| 1317 e = new AddrExp(loc, e); | |
| 1318 e->type = type->pointerTo(); | |
| 1319 return e; | |
| 1320 } | |
| 1321 | |
| 1322 /****************************** | |
| 1323 * If this is a reference, dereference it. | |
| 1324 */ | |
| 1325 | |
| 1326 Expression *Expression::deref() | |
| 1327 { | |
| 1328 //printf("Expression::deref()\n"); | |
| 1587 | 1329 // type could be null if forward referencing an 'auto' variable |
| 1330 if (type && type->ty == Treference) | |
| 1331 { | |
| 1332 Expression *e = new PtrExp(loc, this); | |
| 336 | 1333 e->type = ((TypeReference *)type)->next; |
| 159 | 1334 return e; |
| 1335 } | |
| 1336 return this; | |
| 1337 } | |
| 1338 | |
| 1339 /******************************** | |
| 1340 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1341 */ | |
| 1342 | |
| 1343 int Expression::isBool(int result) | |
| 1344 { | |
| 1345 return FALSE; | |
| 1346 } | |
| 1347 | |
| 1348 /******************************** | |
| 1349 * Does this expression result in either a 1 or a 0? | |
| 1350 */ | |
| 1351 | |
| 1352 int Expression::isBit() | |
| 1353 { | |
| 1354 return FALSE; | |
| 1355 } | |
| 1356 | |
| 336 | 1357 /******************************** |
| 1358 * Can this expression throw an exception? | |
| 1359 * Valid only after semantic() pass. | |
| 1360 */ | |
| 1361 | |
| 1362 int Expression::canThrow() | |
| 1363 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1364 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1365 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1366 #else |
| 336 | 1367 return TRUE; |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1368 #endif |
| 336 | 1369 } |
| 1370 | |
| 1371 | |
| 1372 | |
| 159 | 1373 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1374 { Expressions *a = NULL; | |
| 1375 | |
| 1376 if (exps) | |
| 1377 { | |
| 1378 a = new Expressions(); | |
| 1379 a->setDim(exps->dim); | |
| 1380 for (int i = 0; i < a->dim; i++) | |
| 1381 { Expression *e = (Expression *)exps->data[i]; | |
| 1382 | |
| 1383 e = e->syntaxCopy(); | |
| 1384 a->data[i] = e; | |
| 1385 } | |
| 1386 } | |
| 1387 return a; | |
| 1388 } | |
| 1389 | |
| 1390 /******************************** IntegerExp **************************/ | |
| 1391 | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
1392 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1393 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1394 { | |
| 1395 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1396 if (type && !type->isscalar()) | |
| 1397 { | |
| 336 | 1398 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1399 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1400 type = Type::terror; | |
| 1401 } | |
| 1402 this->type = type; | |
| 1403 this->value = value; | |
| 1404 } | |
| 1405 | |
|
1195
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Merged DMD 1.042.
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parents:
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|
1406 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1407 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1408 { | |
| 1409 this->type = Type::tint32; | |
| 1410 this->value = value; | |
| 1411 } | |
| 1412 | |
| 1413 int IntegerExp::equals(Object *o) | |
| 1414 { IntegerExp *ne; | |
| 1415 | |
| 1416 if (this == o || | |
| 1417 (((Expression *)o)->op == TOKint64 && | |
| 1418 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1419 value == ne->value)) | |
| 1420 return 1; | |
| 1421 return 0; | |
| 1422 } | |
| 1423 | |
| 1424 char *IntegerExp::toChars() | |
| 1425 { | |
| 1426 #if 1 | |
| 1427 return Expression::toChars(); | |
| 1428 #else | |
| 1429 static char buffer[sizeof(value) * 3 + 1]; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1430 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1431 sprintf(buffer, "%jd", value); |
| 159 | 1432 return buffer; |
| 1433 #endif | |
| 1434 } | |
| 1435 | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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changeset
|
1436 dinteger_t IntegerExp::toInteger() |
| 159 | 1437 { Type *t; |
| 1438 | |
| 1439 t = type; | |
| 1440 while (t) | |
| 1441 { | |
| 1442 switch (t->ty) | |
| 1443 { | |
| 1444 case Tbit: | |
| 1445 case Tbool: value = (value != 0); break; | |
| 1446 case Tint8: value = (d_int8) value; break; | |
| 1447 case Tchar: | |
| 1448 case Tuns8: value = (d_uns8) value; break; | |
| 1449 case Tint16: value = (d_int16) value; break; | |
| 1450 case Twchar: | |
| 1451 case Tuns16: value = (d_uns16) value; break; | |
| 1452 case Tint32: value = (d_int32) value; break; | |
| 1453 case Tdchar: | |
| 1454 case Tuns32: value = (d_uns32) value; break; | |
| 1455 case Tint64: value = (d_int64) value; break; | |
| 1456 case Tuns64: value = (d_uns64) value; break; | |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1457 case Tpointer: |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1458 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1459 value = (d_uns32) value; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1460 else if (PTRSIZE == 8) |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1461 value = (d_uns64) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1462 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1463 assert(0); |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1464 break; |
| 159 | 1465 |
| 1466 case Tenum: | |
| 1467 { | |
| 1468 TypeEnum *te = (TypeEnum *)t; | |
| 1469 t = te->sym->memtype; | |
| 1470 continue; | |
| 1471 } | |
| 1472 | |
| 1473 case Ttypedef: | |
| 1474 { | |
| 1475 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1476 t = tt->sym->basetype; | |
| 1477 continue; | |
| 1478 } | |
| 1479 | |
| 1480 default: | |
| 336 | 1481 /* This can happen if errors, such as |
| 1482 * the type is painted on like in fromConstInitializer(). | |
| 1483 */ | |
| 1484 if (!global.errors) | |
| 1485 { type->print(); | |
| 1486 assert(0); | |
| 1487 } | |
| 159 | 1488 break; |
| 1489 } | |
| 1490 break; | |
| 1491 } | |
| 1492 return value; | |
| 1493 } | |
| 1494 | |
| 1495 real_t IntegerExp::toReal() | |
| 1496 { | |
| 1497 Type *t; | |
| 1498 | |
| 1499 toInteger(); | |
| 1500 t = type->toBasetype(); | |
| 1501 if (t->ty == Tuns64) | |
| 1502 return (real_t)(d_uns64)value; | |
| 1503 else | |
| 1504 return (real_t)(d_int64)value; | |
| 1505 } | |
| 1506 | |
| 1507 real_t IntegerExp::toImaginary() | |
| 1508 { | |
| 1509 return (real_t) 0; | |
| 1510 } | |
| 1511 | |
| 1512 complex_t IntegerExp::toComplex() | |
| 1513 { | |
| 1514 return toReal(); | |
| 1515 } | |
| 1516 | |
| 1517 int IntegerExp::isBool(int result) | |
| 1518 { | |
|
1616
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1519 int r = toInteger() != 0; |
|
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1520 return result ? r : !r; |
| 159 | 1521 } |
| 1522 | |
| 1523 Expression *IntegerExp::semantic(Scope *sc) | |
| 1524 { | |
| 1525 if (!type) | |
| 1526 { | |
| 1527 // Determine what the type of this number is | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1528 dinteger_t number = value; |
| 159 | 1529 |
| 1530 if (number & 0x8000000000000000LL) | |
| 1531 type = Type::tuns64; | |
| 1532 else if (number & 0xFFFFFFFF80000000LL) | |
| 1533 type = Type::tint64; | |
| 1534 else | |
| 1535 type = Type::tint32; | |
| 1536 } | |
| 1537 else | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1538 { if (!type->deco) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1539 type = type->semantic(loc, sc); |
| 159 | 1540 } |
| 1541 return this; | |
| 1542 } | |
| 1543 | |
| 1544 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1545 { | |
| 1546 if (!e) | |
| 1547 e = this; | |
| 1548 else if (!loc.filename) | |
| 1549 loc = e->loc; | |
| 1550 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1551 return this; | |
| 1552 } | |
| 1553 | |
| 1554 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1555 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1556 dinteger_t v = toInteger(); |
| 159 | 1557 |
| 1558 if (type) | |
| 1559 { Type *t = type; | |
| 1560 | |
| 1561 L1: | |
| 1562 switch (t->ty) | |
| 1563 { | |
| 1564 case Tenum: | |
| 1565 { TypeEnum *te = (TypeEnum *)t; | |
| 1566 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1567 t = te->sym->memtype; | |
| 1568 goto L1; | |
| 1569 } | |
| 1570 | |
| 1571 case Ttypedef: | |
| 1572 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1573 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1574 t = tt->sym->basetype; | |
| 1575 goto L1; | |
| 1576 } | |
| 1577 | |
| 1578 case Twchar: // BUG: need to cast(wchar) | |
| 1579 case Tdchar: // BUG: need to cast(dchar) | |
| 1580 if ((uinteger_t)v > 0xFF) | |
| 1581 { | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
1582 buf->printf("'\\U%08x'", (unsigned)v); |
| 159 | 1583 break; |
| 1584 } | |
| 1585 case Tchar: | |
| 1586 if (v == '\'') | |
| 1587 buf->writestring("'\\''"); | |
| 1588 else if (isprint(v) && v != '\\') | |
| 1589 buf->printf("'%c'", (int)v); | |
| 1590 else | |
| 1591 buf->printf("'\\x%02x'", (int)v); | |
| 1592 break; | |
| 1593 | |
| 1594 case Tint8: | |
| 1595 buf->writestring("cast(byte)"); | |
| 1596 goto L2; | |
| 1597 | |
| 1598 case Tint16: | |
| 1599 buf->writestring("cast(short)"); | |
| 1600 goto L2; | |
| 1601 | |
| 1602 case Tint32: | |
| 1603 L2: | |
| 1604 buf->printf("%d", (int)v); | |
| 1605 break; | |
| 1606 | |
| 1607 case Tuns8: | |
| 1608 buf->writestring("cast(ubyte)"); | |
| 1609 goto L3; | |
| 1610 | |
| 1611 case Tuns16: | |
| 1612 buf->writestring("cast(ushort)"); | |
| 1613 goto L3; | |
| 1614 | |
| 1615 case Tuns32: | |
| 1616 L3: | |
| 1617 buf->printf("%du", (unsigned)v); | |
| 1618 break; | |
| 1619 | |
| 1620 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1621 buf->printf("%jdL", v); |
| 159 | 1622 break; |
| 1623 | |
| 1624 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1625 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1626 buf->printf("%juLU", v); |
| 159 | 1627 break; |
| 1628 | |
| 1629 case Tbit: | |
| 1630 case Tbool: | |
| 1631 buf->writestring((char *)(v ? "true" : "false")); | |
| 1632 break; | |
| 1633 | |
| 1634 case Tpointer: | |
| 1635 buf->writestring("cast("); | |
| 1636 buf->writestring(t->toChars()); | |
| 1637 buf->writeByte(')'); | |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1638 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1639 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1640 else if (PTRSIZE == 8) |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1641 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1642 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1643 assert(0); |
| 159 | 1644 |
| 1645 default: | |
| 336 | 1646 /* This can happen if errors, such as |
| 1647 * the type is painted on like in fromConstInitializer(). | |
| 1648 */ | |
| 1649 if (!global.errors) | |
| 1650 { | |
| 159 | 1651 #ifdef DEBUG |
| 336 | 1652 t->print(); |
| 159 | 1653 #endif |
| 336 | 1654 assert(0); |
| 1655 } | |
| 1656 break; | |
| 159 | 1657 } |
| 1658 } | |
| 1659 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1660 buf->printf("0x%jx", v); |
| 159 | 1661 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1662 buf->printf("%jd", v); |
| 159 | 1663 } |
| 1664 | |
| 1665 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1666 { | |
| 1667 if ((sinteger_t)value < 0) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1668 buf->printf("N%jd", -value); |
| 159 | 1669 else |
| 1640 | 1670 { |
| 1671 /* This is an awful hack to maintain backwards compatibility. | |
| 1672 * There really always should be an 'i' before a number, but | |
| 1673 * there wasn't in earlier implementations, so to maintain | |
| 1674 * backwards compatibility it is only done if necessary to disambiguate. | |
| 1675 * See bugzilla 3029 | |
| 1676 */ | |
| 1677 if (buf->offset > 0 && isdigit(buf->data[buf->offset - 1])) | |
| 1678 buf->writeByte('i'); | |
| 1679 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1680 buf->printf("%jd", value); |
| 1640 | 1681 } |
| 159 | 1682 } |
| 1683 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1684 /******************************** ErrorExp **************************/ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1685 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1686 /* Use this expression for error recovery. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1687 * It should behave as a 'sink' to prevent further cascaded error messages. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1688 */ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1689 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1690 ErrorExp::ErrorExp() |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1691 : IntegerExp(0, 0, Type::terror) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1692 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1693 } |
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1695 void ErrorExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
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1696 { |
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1697 buf->writestring("__error"); |
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1699 |
| 159 | 1700 /******************************** RealExp **************************/ |
| 1701 | |
| 1702 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1703 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1704 { | |
| 1705 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1706 this->value = value; | |
| 1707 this->type = type; | |
| 1708 } | |
| 1709 | |
| 1710 char *RealExp::toChars() | |
| 1711 { | |
| 1712 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1713 | |
| 1714 #ifdef IN_GCC | |
| 1715 value.format(buffer, sizeof(buffer)); | |
| 1716 if (type->isimaginary()) | |
| 1717 strcat(buffer, "i"); | |
| 1718 #else | |
| 1719 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1720 #endif | |
| 1721 assert(strlen(buffer) < sizeof(buffer)); | |
| 1722 return mem.strdup(buffer); | |
| 1723 } | |
| 1724 | |
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1725 dinteger_t RealExp::toInteger() |
| 159 | 1726 { |
| 1727 #ifdef IN_GCC | |
| 1728 return toReal().toInt(); | |
| 1729 #else | |
| 1730 return (sinteger_t) toReal(); | |
| 1731 #endif | |
| 1732 } | |
| 1733 | |
| 1734 uinteger_t RealExp::toUInteger() | |
| 1735 { | |
| 1736 #ifdef IN_GCC | |
| 1737 return (uinteger_t) toReal().toInt(); | |
| 1738 #else | |
| 1739 return (uinteger_t) toReal(); | |
| 1740 #endif | |
| 1741 } | |
| 1742 | |
| 1743 real_t RealExp::toReal() | |
| 1744 { | |
| 1745 return type->isreal() ? value : 0; | |
| 1746 } | |
| 1747 | |
| 1748 real_t RealExp::toImaginary() | |
| 1749 { | |
| 1750 return type->isreal() ? 0 : value; | |
| 1751 } | |
| 1752 | |
| 1753 complex_t RealExp::toComplex() | |
| 1754 { | |
| 1755 #ifdef __DMC__ | |
| 1756 return toReal() + toImaginary() * I; | |
| 1757 #else | |
| 1758 return complex_t(toReal(), toImaginary()); | |
| 1759 #endif | |
| 1760 } | |
| 1761 | |
| 1762 /******************************** | |
| 1763 * Test to see if two reals are the same. | |
| 1764 * Regard NaN's as equivalent. | |
| 1765 * Regard +0 and -0 as different. | |
| 1766 */ | |
| 1767 | |
| 1768 int RealEquals(real_t x1, real_t x2) | |
| 1769 { | |
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1770 #if __APPLE__ |
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1771 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1772 #else |
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1773 return // special case nans |
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1774 (isnan(x1) && isnan(x2)) || |
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1775 #endif |
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1776 // and zero, in order to distinguish +0 from -0 |
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1777 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1778 // otherwise just compare |
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1779 (x1 != 0. && x1 == x2); |
| 159 | 1780 } |
| 1781 | |
| 1782 int RealExp::equals(Object *o) | |
| 1783 { RealExp *ne; | |
| 1784 | |
| 1785 if (this == o || | |
| 1786 (((Expression *)o)->op == TOKfloat64 && | |
| 1787 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1788 RealEquals(value, ne->value) | |
| 1789 ) | |
| 1790 ) | |
| 1791 return 1; | |
| 1792 return 0; | |
| 1793 } | |
| 1794 | |
| 1795 Expression *RealExp::semantic(Scope *sc) | |
| 1796 { | |
| 1797 if (!type) | |
| 1798 type = Type::tfloat64; | |
| 1799 else | |
| 1800 type = type->semantic(loc, sc); | |
| 1801 return this; | |
| 1802 } | |
| 1803 | |
| 1804 int RealExp::isBool(int result) | |
| 1805 { | |
| 1806 #ifdef IN_GCC | |
| 1807 return result ? (! value.isZero()) : (value.isZero()); | |
| 1808 #else | |
| 1809 return result ? (value != 0) | |
| 1810 : (value == 0); | |
| 1811 #endif | |
| 1812 } | |
| 1813 | |
| 1814 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1815 { | |
| 1816 /* In order to get an exact representation, try converting it | |
| 1817 * to decimal then back again. If it matches, use it. | |
| 1818 * If it doesn't, fall back to hex, which is | |
| 1819 * always exact. | |
| 1820 */ | |
| 1821 char buffer[25]; | |
| 1822 sprintf(buffer, "%Lg", value); | |
| 1823 assert(strlen(buffer) < sizeof(buffer)); | |
| 1824 #if _WIN32 && __DMC__ | |
| 1825 char *save = __locale_decpoint; | |
| 1826 __locale_decpoint = "."; | |
| 1827 real_t r = strtold(buffer, NULL); | |
| 1828 __locale_decpoint = save; | |
| 1829 #else | |
| 1830 real_t r = strtold(buffer, NULL); | |
| 1831 #endif | |
| 1832 if (r == value) // if exact duplication | |
| 1833 buf->writestring(buffer); | |
| 1834 else | |
| 1835 buf->printf("%La", value); // ensure exact duplication | |
| 1836 | |
| 1837 if (type) | |
| 1838 { | |
| 1839 Type *t = type->toBasetype(); | |
| 1840 switch (t->ty) | |
| 1841 { | |
| 1842 case Tfloat32: | |
| 1843 case Timaginary32: | |
| 1844 case Tcomplex32: | |
| 1845 buf->writeByte('F'); | |
| 1846 break; | |
| 1847 | |
| 1848 case Tfloat80: | |
| 1849 case Timaginary80: | |
| 1850 case Tcomplex80: | |
| 1851 buf->writeByte('L'); | |
| 1852 break; | |
| 1853 | |
| 1854 default: | |
| 1855 break; | |
| 1856 } | |
| 1857 if (t->isimaginary()) | |
| 1858 buf->writeByte('i'); | |
| 1859 } | |
| 1860 } | |
| 1861 | |
| 1862 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1863 { | |
| 1864 floatToBuffer(buf, type, value); | |
| 1865 } | |
| 1866 | |
| 1867 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1868 { | |
| 1869 /* Rely on %A to get portable mangling. | |
| 1870 * Must munge result to get only identifier characters. | |
| 1871 * | |
| 1872 * Possible values from %A => mangled result | |
| 1873 * NAN => NAN | |
| 1874 * -INF => NINF | |
| 1875 * INF => INF | |
| 1876 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1877 * 0X1.9P+2 => 19P2 | |
| 1878 */ | |
| 1879 | |
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1882 #else |
| 159 | 1883 if (isnan(value)) |
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1884 #endif |
| 159 | 1885 buf->writestring("NAN"); // no -NAN bugs |
| 1886 else | |
| 1887 { | |
| 1888 char buffer[32]; | |
| 1889 int n = sprintf(buffer, "%LA", value); | |
| 1890 assert(n > 0 && n < sizeof(buffer)); | |
| 1891 for (int i = 0; i < n; i++) | |
| 1892 { char c = buffer[i]; | |
| 1893 | |
| 1894 switch (c) | |
| 1895 { | |
| 1896 case '-': | |
| 1897 buf->writeByte('N'); | |
| 1898 break; | |
| 1899 | |
| 1900 case '+': | |
| 1901 case 'X': | |
| 1902 case '.': | |
| 1903 break; | |
| 1904 | |
| 1905 case '0': | |
| 1906 if (i < 2) | |
| 1907 break; // skip leading 0X | |
| 1908 default: | |
| 1909 buf->writeByte(c); | |
| 1910 break; | |
| 1911 } | |
| 1912 } | |
| 1913 } | |
| 1914 } | |
| 1915 | |
| 1916 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1917 { | |
| 1918 buf->writeByte('e'); | |
| 1919 realToMangleBuffer(buf, value); | |
| 1920 } | |
| 1921 | |
| 1922 | |
| 1923 /******************************** ComplexExp **************************/ | |
| 1924 | |
| 1925 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1926 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1927 { | |
| 1928 this->value = value; | |
| 1929 this->type = type; | |
| 1930 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1931 } | |
| 1932 | |
| 1933 char *ComplexExp::toChars() | |
| 1934 { | |
| 1935 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1936 | |
| 1937 #ifdef IN_GCC | |
| 1938 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1939 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1940 creall(value).format(buf1, sizeof(buf1)); | |
| 1941 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1942 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1943 #else | |
| 1944 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1945 assert(strlen(buffer) < sizeof(buffer)); | |
| 1946 #endif | |
| 1947 return mem.strdup(buffer); | |
| 1948 } | |
| 1949 | |
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1950 dinteger_t ComplexExp::toInteger() |
| 159 | 1951 { |
| 1952 #ifdef IN_GCC | |
| 1953 return (sinteger_t) toReal().toInt(); | |
| 1954 #else | |
| 1955 return (sinteger_t) toReal(); | |
| 1956 #endif | |
| 1957 } | |
| 1958 | |
| 1959 uinteger_t ComplexExp::toUInteger() | |
| 1960 { | |
| 1961 #ifdef IN_GCC | |
| 1962 return (uinteger_t) toReal().toInt(); | |
| 1963 #else | |
| 1964 return (uinteger_t) toReal(); | |
| 1965 #endif | |
| 1966 } | |
| 1967 | |
| 1968 real_t ComplexExp::toReal() | |
| 1969 { | |
| 1970 return creall(value); | |
| 1971 } | |
| 1972 | |
| 1973 real_t ComplexExp::toImaginary() | |
| 1974 { | |
| 1975 return cimagl(value); | |
| 1976 } | |
| 1977 | |
| 1978 complex_t ComplexExp::toComplex() | |
| 1979 { | |
| 1980 return value; | |
| 1981 } | |
| 1982 | |
| 1983 int ComplexExp::equals(Object *o) | |
| 1984 { ComplexExp *ne; | |
| 1985 | |
| 1986 if (this == o || | |
| 1987 (((Expression *)o)->op == TOKcomplex80 && | |
| 1988 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1989 RealEquals(creall(value), creall(ne->value)) && | |
| 1990 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1991 ) | |
| 1992 ) | |
| 1993 return 1; | |
| 1994 return 0; | |
| 1995 } | |
| 1996 | |
| 1997 Expression *ComplexExp::semantic(Scope *sc) | |
| 1998 { | |
| 1999 if (!type) | |
| 2000 type = Type::tcomplex80; | |
| 2001 else | |
| 2002 type = type->semantic(loc, sc); | |
| 2003 return this; | |
| 2004 } | |
| 2005 | |
| 2006 int ComplexExp::isBool(int result) | |
| 2007 { | |
| 2008 if (result) | |
| 2009 return (bool)(value); | |
| 2010 else | |
| 2011 return !value; | |
| 2012 } | |
| 2013 | |
| 2014 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2015 { | |
| 2016 /* Print as: | |
| 2017 * (re+imi) | |
| 2018 */ | |
| 2019 #ifdef IN_GCC | |
| 2020 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 2021 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 2022 creall(value).format(buf1, sizeof(buf1)); | |
| 2023 cimagl(value).format(buf2, sizeof(buf2)); | |
| 2024 buf->printf("(%s+%si)", buf1, buf2); | |
| 2025 #else | |
| 2026 buf->writeByte('('); | |
| 2027 floatToBuffer(buf, type, creall(value)); | |
| 2028 buf->writeByte('+'); | |
| 2029 floatToBuffer(buf, type, cimagl(value)); | |
| 2030 buf->writestring("i)"); | |
| 2031 #endif | |
| 2032 } | |
| 2033 | |
| 2034 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 2035 { | |
| 2036 buf->writeByte('c'); | |
| 2037 real_t r = toReal(); | |
| 2038 realToMangleBuffer(buf, r); | |
| 2039 buf->writeByte('c'); // separate the two | |
| 2040 r = toImaginary(); | |
| 2041 realToMangleBuffer(buf, r); | |
| 2042 } | |
| 2043 | |
| 2044 /******************************** IdentifierExp **************************/ | |
| 2045 | |
| 2046 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 2047 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 2048 { | |
| 2049 this->ident = ident; | |
| 2050 } | |
| 2051 | |
| 2052 Expression *IdentifierExp::semantic(Scope *sc) | |
| 2053 { | |
| 2054 Dsymbol *s; | |
| 2055 Dsymbol *scopesym; | |
| 2056 | |
| 2057 #if LOGSEMANTIC | |
| 2058 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 2059 #endif | |
| 2060 s = sc->search(loc, ident, &scopesym); | |
| 2061 if (s) | |
| 2062 { Expression *e; | |
| 2063 WithScopeSymbol *withsym; | |
| 2064 | |
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2065 /* See if the symbol was a member of an enclosing 'with' |
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2066 */ |
| 159 | 2067 withsym = scopesym->isWithScopeSymbol(); |
| 2068 if (withsym) | |
| 2069 { | |
| 2070 s = s->toAlias(); | |
| 2071 | |
| 2072 // Same as wthis.ident | |
| 2073 if (s->needThis() || s->isTemplateDeclaration()) | |
| 2074 { | |
| 2075 e = new VarExp(loc, withsym->withstate->wthis); | |
| 2076 e = new DotIdExp(loc, e, ident); | |
| 2077 } | |
| 2078 else | |
| 2079 { Type *t = withsym->withstate->wthis->type; | |
| 2080 if (t->ty == Tpointer) | |
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2081 t = ((TypePointer *)t)->next; |
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2082 e = typeDotIdExp(loc, t, ident); |
| 159 | 2083 } |
| 2084 } | |
| 2085 else | |
| 2086 { | |
| 2087 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 2088 { // Kludge to run semantic() here because | |
| 2089 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 2090 s->semantic(sc); | |
| 2091 } | |
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2092 /* If f is really a function template, |
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2093 * then replace f with the function template declaration. |
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2094 */ |
| 159 | 2095 FuncDeclaration *f = s->isFuncDeclaration(); |
| 2096 if (f && f->parent) | |
| 2097 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 2098 | |
| 2099 if (ti && | |
| 2100 !ti->isTemplateMixin() && | |
| 2101 (ti->name == f->ident || | |
| 2102 ti->toAlias()->ident == f->ident) | |
| 2103 && | |
| 2104 ti->tempdecl && ti->tempdecl->onemember) | |
| 2105 { | |
| 2106 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 2107 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 2108 tempdecl = tempdecl->overroot; // then get the start | |
| 2109 e = new TemplateExp(loc, tempdecl); | |
| 2110 e = e->semantic(sc); | |
| 2111 return e; | |
| 2112 } | |
| 2113 } | |
| 2114 e = new DsymbolExp(loc, s); | |
| 2115 } | |
| 2116 return e->semantic(sc); | |
| 2117 } | |
| 1640 | 2118 #if DMDV2 |
| 2119 if (ident == Id::ctfe) | |
| 2120 { // Create the magic __ctfe bool variable | |
| 2121 VarDeclaration *vd = new VarDeclaration(loc, Type::tbool, Id::ctfe, NULL); | |
| 2122 Expression *e = new VarExp(loc, vd); | |
| 2123 e = e->semantic(sc); | |
| 2124 return e; | |
| 2125 } | |
| 2126 #endif | |
| 2127 | |
| 2128 s = sc->search_correct(ident); | |
| 2129 if (s) | |
| 2130 error("undefined identifier %s, did you mean %s %s?", ident->toChars(), s->kind(), s->toChars()); | |
| 2131 else | |
| 2132 error("undefined identifier %s", ident->toChars()); | |
| 159 | 2133 type = Type::terror; |
| 2134 return this; | |
| 2135 } | |
| 2136 | |
| 2137 char *IdentifierExp::toChars() | |
| 2138 { | |
| 2139 return ident->toChars(); | |
| 2140 } | |
| 2141 | |
| 2142 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2143 { | |
| 2144 if (hgs->hdrgen) | |
| 2145 buf->writestring(ident->toHChars2()); | |
| 2146 else | |
| 2147 buf->writestring(ident->toChars()); | |
| 2148 } | |
| 2149 | |
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2150 #if DMDV2 |
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2151 int IdentifierExp::isLvalue() |
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2152 { |
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2153 return 1; |
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2154 } |
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2155 #endif |
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2156 |
| 159 | 2157 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2158 { | |
| 2159 #if 0 | |
| 2160 tym = tybasic(e1->ET->Tty); | |
| 2161 if (!(tyscalar(tym) || | |
| 2162 tym == TYstruct || | |
| 2163 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2164 synerr(EM_lvalue); // lvalue expected | |
| 2165 #endif | |
| 2166 return this; | |
| 2167 } | |
| 2168 | |
| 2169 /******************************** DollarExp **************************/ | |
| 2170 | |
| 2171 DollarExp::DollarExp(Loc loc) | |
| 2172 : IdentifierExp(loc, Id::dollar) | |
| 2173 { | |
| 2174 } | |
| 2175 | |
| 2176 /******************************** DsymbolExp **************************/ | |
| 2177 | |
| 2178 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2179 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2180 { | |
| 2181 this->s = s; | |
| 2182 } | |
| 2183 | |
| 2184 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2185 { | |
| 2186 #if LOGSEMANTIC | |
| 2187 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2188 #endif | |
| 2189 | |
| 2190 Lagain: | |
| 2191 EnumMember *em; | |
| 2192 Expression *e; | |
| 2193 VarDeclaration *v; | |
| 2194 FuncDeclaration *f; | |
| 2195 FuncLiteralDeclaration *fld; | |
| 2196 Declaration *d; | |
| 2197 ClassDeclaration *cd; | |
| 2198 ClassDeclaration *thiscd = NULL; | |
| 2199 Import *imp; | |
| 2200 Package *pkg; | |
| 2201 Type *t; | |
| 2202 | |
| 2203 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2204 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2205 if (type) | |
| 2206 return this; | |
| 2207 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2208 checkDeprecated(sc, s); | |
| 2209 s = s->toAlias(); | |
| 2210 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2211 if (!s->isFuncDeclaration()) | |
| 2212 checkDeprecated(sc, s); | |
| 2213 | |
| 2214 if (sc->func) | |
| 2215 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2216 | |
| 2217 // BUG: This should happen after overload resolution for functions, not before | |
| 2218 if (s->needThis()) | |
| 2219 { | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2220 if (hasThis(sc) |
|
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diff
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|
2221 #if DMDV2 |
|
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diff
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|
2222 && !s->isFuncDeclaration() |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2223 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2224 ) |
| 159 | 2225 { |
| 2226 // Supply an implicit 'this', as in | |
| 2227 // this.ident | |
| 2228 | |
| 2229 DotVarExp *de; | |
| 2230 | |
| 2231 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2232 return de->semantic(sc); | |
| 2233 } | |
| 2234 } | |
| 2235 | |
| 2236 em = s->isEnumMember(); | |
| 2237 if (em) | |
| 2238 { | |
| 2239 e = em->value->copy(); | |
| 2240 e = e->semantic(sc); | |
| 2241 return e; | |
| 2242 } | |
| 2243 v = s->isVarDeclaration(); | |
| 2244 if (v) | |
| 2245 { | |
| 2246 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2247 if (!type) | |
| 2248 { type = v->type; | |
| 2249 if (!v->type) | |
| 2250 { error("forward reference of %s", v->toChars()); | |
| 2251 type = Type::terror; | |
| 2252 } | |
| 2253 } | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
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1372
diff
changeset
|
2254 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray) |
| 159 | 2255 { |
| 2256 if (v->init) | |
| 2257 { | |
| 2258 if (v->inuse) | |
| 2259 { | |
| 2260 error("circular reference to '%s'", v->toChars()); | |
| 2261 type = Type::tint32; | |
| 2262 return this; | |
| 2263 } | |
| 2264 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2265 if (ei) | |
| 2266 { | |
| 2267 e = ei->exp->copy(); // make copy so we can change loc | |
| 2268 if (e->op == TOKstring || !e->type) | |
| 2269 e = e->semantic(sc); | |
| 2270 e = e->implicitCastTo(sc, type); | |
| 2271 e->loc = loc; | |
| 2272 return e; | |
| 2273 } | |
| 2274 } | |
| 2275 else | |
| 2276 { | |
| 2277 e = type->defaultInit(); | |
| 2278 e->loc = loc; | |
| 2279 return e; | |
| 2280 } | |
| 2281 } | |
| 2282 e = new VarExp(loc, v); | |
| 2283 e->type = type; | |
| 2284 e = e->semantic(sc); | |
| 2285 return e->deref(); | |
| 2286 } | |
| 2287 fld = s->isFuncLiteralDeclaration(); | |
| 2288 if (fld) | |
| 2289 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2290 e = new FuncExp(loc, fld); | |
| 2291 return e->semantic(sc); | |
| 2292 } | |
| 2293 f = s->isFuncDeclaration(); | |
| 2294 if (f) | |
| 2295 { //printf("'%s' is a function\n", f->toChars()); | |
| 1587 | 2296 if (!f->type->deco) |
| 2297 { | |
| 2298 error("forward reference to %s", toChars()); | |
|
1612
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Merge DMD r278: bugzilla 370 Compiler stack overflow on recursive...
Leandro Lucarella <llucax@gmail.com>
parents:
1611
diff
changeset
|
2299 return new ErrorExp(); |
| 1587 | 2300 } |
| 159 | 2301 return new VarExp(loc, f); |
| 2302 } | |
| 2303 cd = s->isClassDeclaration(); | |
| 2304 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2305 { | |
| 2306 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2307 DotTypeExp *dte; | |
| 2308 | |
| 2309 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2310 return dte->semantic(sc); | |
| 2311 } | |
| 2312 imp = s->isImport(); | |
| 2313 if (imp) | |
| 2314 { | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2315 if (!imp->pkg) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2316 { error("forward reference of import %s", imp->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
2317 return this; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
2318 } |
|
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Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2319 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2320 return ie->semantic(sc); |
| 2321 } | |
| 2322 pkg = s->isPackage(); | |
| 2323 if (pkg) | |
| 2324 { | |
| 2325 ScopeExp *ie; | |
| 2326 | |
| 2327 ie = new ScopeExp(loc, pkg); | |
| 2328 return ie->semantic(sc); | |
| 2329 } | |
| 2330 Module *mod = s->isModule(); | |
| 2331 if (mod) | |
| 2332 { | |
| 2333 ScopeExp *ie; | |
| 2334 | |
| 2335 ie = new ScopeExp(loc, mod); | |
| 2336 return ie->semantic(sc); | |
| 2337 } | |
| 2338 | |
| 2339 t = s->getType(); | |
| 2340 if (t) | |
| 2341 { | |
| 2342 return new TypeExp(loc, t); | |
| 2343 } | |
| 2344 | |
| 2345 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2346 if (tup) | |
| 2347 { | |
| 2348 e = new TupleExp(loc, tup); | |
| 2349 e = e->semantic(sc); | |
| 2350 return e; | |
| 2351 } | |
| 2352 | |
| 2353 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2354 if (ti && !global.errors) | |
| 1587 | 2355 { if (!ti->semanticRun) |
| 159 | 2356 ti->semantic(sc); |
| 2357 s = ti->inst->toAlias(); | |
| 2358 if (!s->isTemplateInstance()) | |
| 2359 goto Lagain; | |
| 2360 e = new ScopeExp(loc, ti); | |
| 2361 e = e->semantic(sc); | |
| 2362 return e; | |
| 2363 } | |
| 2364 | |
| 2365 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2366 if (td) | |
| 2367 { | |
| 2368 e = new TemplateExp(loc, td); | |
| 2369 e = e->semantic(sc); | |
| 2370 return e; | |
| 2371 } | |
| 2372 | |
| 2373 Lerr: | |
| 2374 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2375 type = Type::terror; | |
| 2376 return this; | |
| 2377 } | |
| 2378 | |
| 2379 char *DsymbolExp::toChars() | |
| 2380 { | |
| 2381 return s->toChars(); | |
| 2382 } | |
| 2383 | |
| 2384 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2385 { | |
| 2386 buf->writestring(s->toChars()); | |
| 2387 } | |
| 2388 | |
|
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diff
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|
2389 #if DMDV2 |
|
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diff
changeset
|
2390 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2391 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2392 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2393 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2394 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2395 |
| 159 | 2396 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2397 { | |
| 2398 #if 0 | |
| 2399 tym = tybasic(e1->ET->Tty); | |
| 2400 if (!(tyscalar(tym) || | |
| 2401 tym == TYstruct || | |
| 2402 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2403 synerr(EM_lvalue); // lvalue expected | |
| 2404 #endif | |
| 2405 return this; | |
| 2406 } | |
| 2407 | |
| 2408 /******************************** ThisExp **************************/ | |
| 2409 | |
| 2410 ThisExp::ThisExp(Loc loc) | |
| 2411 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2412 { | |
| 2413 var = NULL; | |
| 2414 } | |
| 2415 | |
| 2416 Expression *ThisExp::semantic(Scope *sc) | |
| 2417 { FuncDeclaration *fd; | |
| 2418 FuncDeclaration *fdthis; | |
| 2419 int nested = 0; | |
| 2420 | |
| 2421 #if LOGSEMANTIC | |
| 2422 printf("ThisExp::semantic()\n"); | |
| 2423 #endif | |
| 2424 if (type) | |
| 2425 { //assert(global.errors || var); | |
| 2426 return this; | |
| 2427 } | |
| 2428 | |
| 2429 /* Special case for typeof(this) and typeof(super) since both | |
| 2430 * should work even if they are not inside a non-static member function | |
| 2431 */ | |
| 2432 if (sc->intypeof) | |
| 2433 { | |
| 2434 // Find enclosing struct or class | |
| 2435 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2436 { | |
| 2437 ClassDeclaration *cd; | |
| 2438 StructDeclaration *sd; | |
| 2439 | |
| 2440 if (!s) | |
| 2441 { | |
| 2442 error("%s is not in a struct or class scope", toChars()); | |
| 2443 goto Lerr; | |
| 2444 } | |
| 2445 cd = s->isClassDeclaration(); | |
| 2446 if (cd) | |
| 2447 { | |
| 2448 type = cd->type; | |
| 2449 return this; | |
| 2450 } | |
| 2451 sd = s->isStructDeclaration(); | |
| 2452 if (sd) | |
| 2453 { | |
| 2454 type = sd->type->pointerTo(); | |
| 2455 return this; | |
| 2456 } | |
| 2457 } | |
| 2458 } | |
| 2459 | |
| 2460 fdthis = sc->parent->isFuncDeclaration(); | |
| 2461 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2462 if (!fd) | |
| 2463 goto Lerr; | |
| 2464 | |
| 2465 assert(fd->vthis); | |
| 2466 var = fd->vthis; | |
| 2467 assert(var->parent); | |
| 2468 type = var->type; | |
| 2469 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2470 #if 0 | |
| 2471 if (fd != fdthis) // if nested | |
| 2472 { | |
| 2473 fdthis->getLevel(loc, fd); | |
| 2474 fd->vthis->nestedref = 1; | |
| 2475 fd->nestedFrameRef = 1; | |
| 2476 } | |
| 2477 #endif | |
| 336 | 2478 if (!sc->intypeof) |
| 2479 sc->callSuper |= CSXthis; | |
| 159 | 2480 return this; |
| 2481 | |
| 2482 Lerr: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2483 error("'this' is only defined in non-static member functions, not %s", sc->parent->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2484 type = Type::terror; |
| 159 | 2485 return this; |
| 2486 } | |
| 2487 | |
| 2488 int ThisExp::isBool(int result) | |
| 2489 { | |
| 2490 return result ? TRUE : FALSE; | |
| 2491 } | |
| 2492 | |
| 2493 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2494 { | |
| 2495 buf->writestring("this"); | |
| 2496 } | |
| 2497 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2498 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2499 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2500 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2501 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2502 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2503 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2504 |
| 159 | 2505 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2506 { | |
| 2507 return this; | |
| 2508 } | |
| 2509 | |
| 2510 /******************************** SuperExp **************************/ | |
| 2511 | |
| 2512 SuperExp::SuperExp(Loc loc) | |
| 2513 : ThisExp(loc) | |
| 2514 { | |
| 2515 op = TOKsuper; | |
| 2516 } | |
| 2517 | |
| 2518 Expression *SuperExp::semantic(Scope *sc) | |
| 2519 { FuncDeclaration *fd; | |
| 2520 FuncDeclaration *fdthis; | |
| 2521 ClassDeclaration *cd; | |
| 2522 Dsymbol *s; | |
| 2523 | |
| 2524 #if LOGSEMANTIC | |
| 2525 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2526 #endif | |
| 2527 if (type) | |
| 2528 return this; | |
| 2529 | |
| 2530 /* Special case for typeof(this) and typeof(super) since both | |
| 2531 * should work even if they are not inside a non-static member function | |
| 2532 */ | |
| 2533 if (sc->intypeof) | |
| 2534 { | |
| 2535 // Find enclosing class | |
| 2536 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2537 { | |
| 2538 ClassDeclaration *cd; | |
| 2539 | |
| 2540 if (!s) | |
| 2541 { | |
| 2542 error("%s is not in a class scope", toChars()); | |
| 2543 goto Lerr; | |
| 2544 } | |
| 2545 cd = s->isClassDeclaration(); | |
| 2546 if (cd) | |
| 2547 { | |
| 2548 cd = cd->baseClass; | |
| 2549 if (!cd) | |
| 2550 { error("class %s has no 'super'", s->toChars()); | |
| 2551 goto Lerr; | |
| 2552 } | |
| 2553 type = cd->type; | |
| 2554 return this; | |
| 2555 } | |
| 2556 } | |
| 2557 } | |
| 2558 | |
| 2559 fdthis = sc->parent->isFuncDeclaration(); | |
| 2560 fd = hasThis(sc); | |
| 2561 if (!fd) | |
| 2562 goto Lerr; | |
| 2563 assert(fd->vthis); | |
| 2564 var = fd->vthis; | |
| 2565 assert(var->parent); | |
| 2566 | |
| 2567 s = fd->toParent(); | |
| 2568 while (s && s->isTemplateInstance()) | |
| 2569 s = s->toParent(); | |
| 2570 assert(s); | |
| 2571 cd = s->isClassDeclaration(); | |
| 2572 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2573 if (!cd) | |
| 2574 goto Lerr; | |
| 2575 if (!cd->baseClass) | |
| 2576 { | |
| 2577 error("no base class for %s", cd->toChars()); | |
| 2578 type = fd->vthis->type; | |
| 2579 } | |
| 2580 else | |
| 2581 { | |
| 2582 type = cd->baseClass->type; | |
| 2583 } | |
| 2584 | |
| 2585 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2586 #if 0 | |
| 2587 if (fd != fdthis) | |
| 2588 { | |
| 2589 fdthis->getLevel(loc, fd); | |
| 2590 fd->vthis->nestedref = 1; | |
| 2591 fd->nestedFrameRef = 1; | |
| 2592 } | |
| 2593 #endif | |
| 2594 | |
| 336 | 2595 if (!sc->intypeof) |
| 2596 sc->callSuper |= CSXsuper; | |
| 159 | 2597 return this; |
| 2598 | |
| 2599 | |
| 2600 Lerr: | |
| 2601 error("'super' is only allowed in non-static class member functions"); | |
| 2602 type = Type::tint32; | |
| 2603 return this; | |
| 2604 } | |
| 2605 | |
| 2606 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2607 { | |
| 2608 buf->writestring("super"); | |
| 2609 } | |
| 2610 | |
| 2611 | |
| 2612 /******************************** NullExp **************************/ | |
| 2613 | |
|
1626
8fa4ab3dcc88
Merge DMD r320: refactor
Leandro Lucarella <llucax@gmail.com>
parents:
1621
diff
changeset
|
2614 NullExp::NullExp(Loc loc, Type *type) |
| 159 | 2615 : Expression(loc, TOKnull, sizeof(NullExp)) |
| 2616 { | |
| 2617 committed = 0; | |
|
1626
8fa4ab3dcc88
Merge DMD r320: refactor
Leandro Lucarella <llucax@gmail.com>
parents:
1621
diff
changeset
|
2618 this->type = type; |
| 159 | 2619 } |
| 2620 | |
| 2621 Expression *NullExp::semantic(Scope *sc) | |
| 2622 { | |
| 2623 #if LOGSEMANTIC | |
| 2624 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2625 #endif | |
| 2626 // NULL is the same as (void *)0 | |
| 2627 if (!type) | |
| 2628 type = Type::tvoid->pointerTo(); | |
| 2629 return this; | |
| 2630 } | |
| 2631 | |
| 2632 int NullExp::isBool(int result) | |
| 2633 { | |
| 2634 return result ? FALSE : TRUE; | |
| 2635 } | |
| 2636 | |
| 2637 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2638 { | |
| 2639 buf->writestring("null"); | |
| 2640 } | |
| 2641 | |
| 2642 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2643 { | |
| 2644 buf->writeByte('n'); | |
| 2645 } | |
| 2646 | |
| 2647 /******************************** StringExp **************************/ | |
| 2648 | |
| 2649 StringExp::StringExp(Loc loc, char *string) | |
| 2650 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2651 { | |
| 2652 this->string = string; | |
| 2653 this->len = strlen(string); | |
| 2654 this->sz = 1; | |
| 2655 this->committed = 0; | |
| 2656 this->postfix = 0; | |
| 2657 } | |
| 2658 | |
| 2659 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2660 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2661 { | |
| 2662 this->string = string; | |
| 2663 this->len = len; | |
| 2664 this->sz = 1; | |
| 2665 this->committed = 0; | |
| 2666 this->postfix = 0; | |
| 2667 } | |
| 2668 | |
| 2669 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2670 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2671 { | |
| 2672 this->string = string; | |
| 2673 this->len = len; | |
| 2674 this->sz = 1; | |
| 2675 this->committed = 0; | |
| 2676 this->postfix = postfix; | |
| 2677 } | |
| 2678 | |
| 2679 #if 0 | |
| 2680 Expression *StringExp::syntaxCopy() | |
| 2681 { | |
| 2682 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2683 return copy(); | |
| 2684 } | |
| 2685 #endif | |
| 2686 | |
| 2687 int StringExp::equals(Object *o) | |
| 2688 { | |
| 2689 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2690 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2691 { Expression *e = (Expression *)o; | |
| 2692 | |
| 2693 if (e->op == TOKstring) | |
| 2694 { | |
| 2695 return compare(o) == 0; | |
| 2696 } | |
| 2697 } | |
| 2698 return FALSE; | |
| 2699 } | |
| 2700 | |
| 2701 char *StringExp::toChars() | |
| 2702 { | |
| 2703 OutBuffer buf; | |
| 2704 HdrGenState hgs; | |
| 2705 char *p; | |
| 2706 | |
| 2707 memset(&hgs, 0, sizeof(hgs)); | |
| 2708 toCBuffer(&buf, &hgs); | |
| 2709 buf.writeByte(0); | |
| 2710 p = (char *)buf.data; | |
| 2711 buf.data = NULL; | |
| 2712 return p; | |
| 2713 } | |
| 2714 | |
| 2715 Expression *StringExp::semantic(Scope *sc) | |
| 2716 { | |
| 2717 #if LOGSEMANTIC | |
| 2718 printf("StringExp::semantic() %s\n", toChars()); | |
| 2719 #endif | |
| 2720 if (!type) | |
| 2721 { OutBuffer buffer; | |
| 2722 size_t newlen = 0; | |
|
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diff
changeset
|
2723 const char *p; |
| 159 | 2724 size_t u; |
| 2725 unsigned c; | |
| 2726 | |
| 2727 switch (postfix) | |
| 2728 { | |
| 2729 case 'd': | |
| 2730 for (u = 0; u < len;) | |
| 2731 { | |
| 2732 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2733 if (p) | |
| 2734 { error("%s", p); | |
| 2735 break; | |
| 2736 } | |
| 2737 else | |
| 2738 { buffer.write4(c); | |
| 2739 newlen++; | |
| 2740 } | |
| 2741 } | |
| 2742 buffer.write4(0); | |
| 2743 string = buffer.extractData(); | |
| 2744 len = newlen; | |
| 2745 sz = 4; | |
| 2746 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2747 committed = 1; | |
| 2748 break; | |
| 2749 | |
| 2750 case 'w': | |
| 2751 for (u = 0; u < len;) | |
| 2752 { | |
| 2753 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2754 if (p) | |
| 2755 { error("%s", p); | |
| 2756 break; | |
| 2757 } | |
| 2758 else | |
| 2759 { buffer.writeUTF16(c); | |
| 2760 newlen++; | |
| 2761 if (c >= 0x10000) | |
| 2762 newlen++; | |
| 2763 } | |
| 2764 } | |
| 2765 buffer.writeUTF16(0); | |
| 2766 string = buffer.extractData(); | |
| 2767 len = newlen; | |
| 2768 sz = 2; | |
| 2769 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2770 committed = 1; | |
| 2771 break; | |
| 2772 | |
| 2773 case 'c': | |
| 2774 committed = 1; | |
| 2775 default: | |
| 2776 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2777 break; | |
| 2778 } | |
| 2779 type = type->semantic(loc, sc); | |
| 2780 } | |
| 2781 return this; | |
| 2782 } | |
| 2783 | |
| 2784 /**************************************** | |
| 2785 * Convert string to char[]. | |
| 2786 */ | |
| 2787 | |
| 2788 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2789 { | |
| 2790 if (sz != 1) | |
| 2791 { // Convert to UTF-8 string | |
| 2792 committed = 0; | |
| 2793 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2794 e = e->optimize(WANTvalue); | |
| 2795 assert(e->op == TOKstring); | |
| 2796 StringExp *se = (StringExp *)e; | |
| 2797 assert(se->sz == 1); | |
| 2798 return se; | |
| 2799 } | |
| 2800 return this; | |
| 2801 } | |
| 2802 | |
| 2803 int StringExp::compare(Object *obj) | |
| 2804 { | |
| 2805 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2806 StringExp *se2 = (StringExp *)(obj); | |
| 2807 | |
| 2808 // This is a kludge so isExpression() in template.c will return 5 | |
| 2809 // for StringExp's. | |
| 2810 if (!se2) | |
| 2811 return 5; | |
| 2812 | |
| 2813 assert(se2->op == TOKstring); | |
| 2814 | |
| 2815 int len1 = len; | |
| 2816 int len2 = se2->len; | |
| 2817 | |
| 2818 if (len1 == len2) | |
| 2819 { | |
| 2820 switch (sz) | |
| 2821 { | |
| 2822 case 1: | |
| 2823 return strcmp((char *)string, (char *)se2->string); | |
| 2824 | |
| 2825 case 2: | |
| 2826 { unsigned u; | |
| 2827 d_wchar *s1 = (d_wchar *)string; | |
| 2828 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2829 | |
| 2830 for (u = 0; u < len; u++) | |
| 2831 { | |
| 2832 if (s1[u] != s2[u]) | |
| 2833 return s1[u] - s2[u]; | |
| 2834 } | |
| 2835 } | |
| 2836 | |
| 2837 case 4: | |
| 2838 { unsigned u; | |
| 2839 d_dchar *s1 = (d_dchar *)string; | |
| 2840 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2841 | |
| 2842 for (u = 0; u < len; u++) | |
| 2843 { | |
| 2844 if (s1[u] != s2[u]) | |
| 2845 return s1[u] - s2[u]; | |
| 2846 } | |
| 2847 } | |
| 2848 break; | |
| 2849 | |
| 2850 default: | |
| 2851 assert(0); | |
| 2852 } | |
| 2853 } | |
| 2854 return len1 - len2; | |
| 2855 } | |
| 2856 | |
| 2857 int StringExp::isBool(int result) | |
| 2858 { | |
| 2859 return result ? TRUE : FALSE; | |
| 2860 } | |
| 2861 | |
| 2862 unsigned StringExp::charAt(size_t i) | |
| 2863 { unsigned value; | |
| 2864 | |
| 2865 switch (sz) | |
| 2866 { | |
| 2867 case 1: | |
| 2868 value = ((unsigned char *)string)[i]; | |
| 2869 break; | |
| 2870 | |
| 2871 case 2: | |
| 2872 value = ((unsigned short *)string)[i]; | |
| 2873 break; | |
| 2874 | |
| 2875 case 4: | |
| 2876 value = ((unsigned int *)string)[i]; | |
| 2877 break; | |
| 2878 | |
| 2879 default: | |
| 2880 assert(0); | |
| 2881 break; | |
| 2882 } | |
| 2883 return value; | |
| 2884 } | |
| 2885 | |
| 2886 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2887 { | |
| 2888 buf->writeByte('"'); | |
| 2889 for (size_t i = 0; i < len; i++) | |
| 2890 { unsigned c = charAt(i); | |
| 2891 | |
| 2892 switch (c) | |
| 2893 { | |
| 2894 case '"': | |
| 2895 case '\\': | |
| 2896 if (!hgs->console) | |
| 2897 buf->writeByte('\\'); | |
| 2898 default: | |
| 2899 if (c <= 0xFF) | |
| 2900 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2901 buf->writeByte(c); | |
| 2902 else | |
| 2903 buf->printf("\\x%02x", c); | |
| 2904 } | |
| 2905 else if (c <= 0xFFFF) | |
| 2906 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2907 else | |
| 2908 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2909 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2910 break; | |
| 2911 } | |
| 2912 } | |
| 2913 buf->writeByte('"'); | |
| 2914 if (postfix) | |
| 2915 buf->writeByte(postfix); | |
| 2916 } | |
| 2917 | |
| 2918 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2919 { char m; | |
| 2920 OutBuffer tmp; | |
|
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parents:
846
diff
changeset
|
2921 const char *p; |
| 159 | 2922 unsigned c; |
| 2923 size_t u; | |
| 2924 unsigned char *q; | |
| 2925 unsigned qlen; | |
| 2926 | |
| 2927 /* Write string in UTF-8 format | |
| 2928 */ | |
| 2929 switch (sz) | |
| 2930 { case 1: | |
| 2931 m = 'a'; | |
| 2932 q = (unsigned char *)string; | |
| 2933 qlen = len; | |
| 2934 break; | |
| 2935 case 2: | |
| 2936 m = 'w'; | |
| 2937 for (u = 0; u < len; ) | |
| 2938 { | |
| 2939 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2940 if (p) | |
| 2941 error("%s", p); | |
| 2942 else | |
| 2943 tmp.writeUTF8(c); | |
| 2944 } | |
| 2945 q = tmp.data; | |
| 2946 qlen = tmp.offset; | |
| 2947 break; | |
| 2948 case 4: | |
| 2949 m = 'd'; | |
| 2950 for (u = 0; u < len; u++) | |
| 2951 { | |
| 2952 c = ((unsigned *)string)[u]; | |
| 2953 if (!utf_isValidDchar(c)) | |
| 2954 error("invalid UCS-32 char \\U%08x", c); | |
| 2955 else | |
| 2956 tmp.writeUTF8(c); | |
| 2957 } | |
| 2958 q = tmp.data; | |
| 2959 qlen = tmp.offset; | |
| 2960 break; | |
| 2961 default: | |
| 2962 assert(0); | |
| 2963 } | |
| 2964 buf->writeByte(m); | |
| 2965 buf->printf("%d_", qlen); | |
| 2966 for (size_t i = 0; i < qlen; i++) | |
| 2967 buf->printf("%02x", q[i]); | |
| 2968 } | |
| 2969 | |
| 2970 /************************ ArrayLiteralExp ************************************/ | |
| 2971 | |
| 2972 // [ e1, e2, e3, ... ] | |
| 2973 | |
| 2974 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2975 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2976 { | |
| 2977 this->elements = elements; | |
| 2978 } | |
| 2979 | |
| 2980 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2981 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2982 { | |
| 2983 elements = new Expressions; | |
| 2984 elements->push(e); | |
| 2985 } | |
| 2986 | |
| 2987 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2988 { | |
| 2989 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2990 } | |
| 2991 | |
| 2992 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2993 { Expression *e; | |
| 2994 Type *t0 = NULL; | |
| 2995 | |
| 2996 #if LOGSEMANTIC | |
| 2997 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2998 #endif | |
| 2999 if (type) | |
| 3000 return this; | |
| 3001 | |
| 3002 // Run semantic() on each element | |
| 3003 for (int i = 0; i < elements->dim; i++) | |
| 3004 { e = (Expression *)elements->data[i]; | |
| 3005 e = e->semantic(sc); | |
| 3006 elements->data[i] = (void *)e; | |
| 3007 } | |
| 3008 expandTuples(elements); | |
| 3009 for (int i = 0; i < elements->dim; i++) | |
| 3010 { e = (Expression *)elements->data[i]; | |
| 3011 | |
| 3012 if (!e->type) | |
| 3013 error("%s has no value", e->toChars()); | |
| 3014 e = resolveProperties(sc, e); | |
| 3015 | |
| 3016 unsigned char committed = 1; | |
| 3017 if (e->op == TOKstring) | |
| 3018 committed = ((StringExp *)e)->committed; | |
| 3019 | |
| 3020 if (!t0) | |
| 3021 { t0 = e->type; | |
| 3022 // Convert any static arrays to dynamic arrays | |
| 3023 if (t0->ty == Tsarray) | |
| 3024 { | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3025 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 3026 e = e->implicitCastTo(sc, t0); |
| 3027 } | |
| 3028 } | |
| 3029 else | |
| 3030 e = e->implicitCastTo(sc, t0); | |
| 3031 if (!committed && e->op == TOKstring) | |
| 3032 { StringExp *se = (StringExp *)e; | |
| 3033 se->committed = 0; | |
| 3034 } | |
| 3035 elements->data[i] = (void *)e; | |
| 3036 } | |
| 3037 | |
| 3038 if (!t0) | |
| 3039 t0 = Type::tvoid; | |
| 3040 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 3041 type = type->semantic(loc, sc); | |
| 3042 return this; | |
| 3043 } | |
| 3044 | |
| 3045 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 3046 { int f = 0; | |
| 3047 | |
| 3048 for (size_t i = 0; i < elements->dim; i++) | |
| 3049 { Expression *e = (Expression *)elements->data[i]; | |
| 3050 | |
| 3051 f |= e->checkSideEffect(2); | |
| 3052 } | |
| 3053 if (flag == 0 && f == 0) | |
| 3054 Expression::checkSideEffect(0); | |
| 3055 return f; | |
| 3056 } | |
| 3057 | |
| 3058 int ArrayLiteralExp::isBool(int result) | |
| 3059 { | |
| 3060 size_t dim = elements ? elements->dim : 0; | |
| 3061 return result ? (dim != 0) : (dim == 0); | |
| 3062 } | |
| 3063 | |
|
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|
3064 #if DMDV2 |
|
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|
3065 int ArrayLiteralExp::canThrow() |
|
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parents:
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diff
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|
3066 { |
|
330f999ade44
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diff
changeset
|
3067 return 1; // because it can fail allocating memory |
|
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parents:
846
diff
changeset
|
3068 } |
|
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parents:
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diff
changeset
|
3069 #endif |
|
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parents:
846
diff
changeset
|
3070 |
| 159 | 3071 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3072 { | |
| 3073 buf->writeByte('['); | |
| 3074 argsToCBuffer(buf, elements, hgs); | |
| 3075 buf->writeByte(']'); | |
| 3076 } | |
| 3077 | |
| 3078 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3079 { | |
| 3080 size_t dim = elements ? elements->dim : 0; | |
|
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1367
diff
changeset
|
3081 buf->printf("A%zu", dim); |
| 159 | 3082 for (size_t i = 0; i < dim; i++) |
| 3083 { Expression *e = (Expression *)elements->data[i]; | |
| 3084 e->toMangleBuffer(buf); | |
| 3085 } | |
| 3086 } | |
| 3087 | |
| 3088 /************************ AssocArrayLiteralExp ************************************/ | |
| 3089 | |
| 3090 // [ key0 : value0, key1 : value1, ... ] | |
| 3091 | |
| 3092 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 3093 Expressions *keys, Expressions *values) | |
| 3094 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 3095 { | |
| 3096 assert(keys->dim == values->dim); | |
| 3097 this->keys = keys; | |
| 3098 this->values = values; | |
| 3099 } | |
| 3100 | |
| 3101 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 3102 { | |
| 3103 return new AssocArrayLiteralExp(loc, | |
| 3104 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 3105 } | |
| 3106 | |
| 3107 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 3108 { Expression *e; | |
| 3109 | |
| 3110 #if LOGSEMANTIC | |
| 3111 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 3112 #endif | |
| 3113 | |
| 3114 // Run semantic() on each element | |
|
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parents:
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diff
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|
3115 arrayExpressionSemantic(keys, sc); |
|
2afcaab30a6a
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parents:
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diff
changeset
|
3116 arrayExpressionSemantic(values, sc); |
| 159 | 3117 expandTuples(keys); |
| 3118 expandTuples(values); | |
| 3119 if (keys->dim != values->dim) | |
| 3120 { | |
| 3121 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 3122 keys->setDim(0); | |
| 3123 values->setDim(0); | |
| 3124 } | |
|
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|
3125 |
|
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|
3126 Type *tkey = NULL; |
|
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parents:
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diff
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|
3127 Type *tvalue = NULL; |
|
2afcaab30a6a
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parents:
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diff
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|
3128 keys = arrayExpressionToCommonType(sc, keys, &tkey); |
|
2afcaab30a6a
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parents:
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diff
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|
3129 values = arrayExpressionToCommonType(sc, values, &tvalue); |
|
2afcaab30a6a
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parents:
1587
diff
changeset
|
3130 |
| 159 | 3131 type = new TypeAArray(tvalue, tkey); |
| 3132 type = type->semantic(loc, sc); | |
| 3133 return this; | |
| 3134 } | |
| 3135 | |
| 3136 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3137 { int f = 0; | |
| 3138 | |
| 3139 for (size_t i = 0; i < keys->dim; i++) | |
| 3140 { Expression *key = (Expression *)keys->data[i]; | |
| 3141 Expression *value = (Expression *)values->data[i]; | |
| 3142 | |
| 3143 f |= key->checkSideEffect(2); | |
| 3144 f |= value->checkSideEffect(2); | |
| 3145 } | |
| 3146 if (flag == 0 && f == 0) | |
| 3147 Expression::checkSideEffect(0); | |
| 3148 return f; | |
| 3149 } | |
| 3150 | |
| 3151 int AssocArrayLiteralExp::isBool(int result) | |
| 3152 { | |
| 3153 size_t dim = keys->dim; | |
| 3154 return result ? (dim != 0) : (dim == 0); | |
| 3155 } | |
| 3156 | |
|
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|
3157 #if DMDV2 |
|
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diff
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|
3158 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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diff
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|
3159 { |
|
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diff
changeset
|
3160 return 1; |
|
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parents:
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diff
changeset
|
3161 } |
|
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diff
changeset
|
3162 #endif |
|
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846
diff
changeset
|
3163 |
| 159 | 3164 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3165 { | |
| 3166 buf->writeByte('['); | |
| 3167 for (size_t i = 0; i < keys->dim; i++) | |
| 3168 { Expression *key = (Expression *)keys->data[i]; | |
| 3169 Expression *value = (Expression *)values->data[i]; | |
| 3170 | |
| 3171 if (i) | |
| 3172 buf->writeByte(','); | |
| 3173 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3174 buf->writeByte(':'); | |
| 3175 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3176 } | |
| 3177 buf->writeByte(']'); | |
| 3178 } | |
| 3179 | |
| 3180 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3181 { | |
| 3182 size_t dim = keys->dim; | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
3183 buf->printf("A%zu", dim); |
| 159 | 3184 for (size_t i = 0; i < dim; i++) |
| 3185 { Expression *key = (Expression *)keys->data[i]; | |
| 3186 Expression *value = (Expression *)values->data[i]; | |
| 3187 | |
| 3188 key->toMangleBuffer(buf); | |
| 3189 value->toMangleBuffer(buf); | |
| 3190 } | |
| 3191 } | |
| 3192 | |
| 3193 /************************ StructLiteralExp ************************************/ | |
| 3194 | |
| 3195 // sd( e1, e2, e3, ... ) | |
| 3196 | |
| 3197 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3198 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3199 { | |
| 3200 this->sd = sd; | |
| 3201 this->elements = elements; | |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1133
diff
changeset
|
3202 #if IN_DMD |
| 159 | 3203 this->sym = NULL; |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1133
diff
changeset
|
3204 #endif |
| 159 | 3205 this->soffset = 0; |
| 3206 this->fillHoles = 1; | |
| 3207 } | |
| 3208 | |
| 3209 Expression *StructLiteralExp::syntaxCopy() | |
| 3210 { | |
| 3211 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3212 } | |
| 3213 | |
| 3214 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3215 { Expression *e; | |
| 3216 | |
| 3217 #if LOGSEMANTIC | |
| 3218 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3219 #endif | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3220 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3221 return this; |
| 159 | 3222 |
| 3223 // Run semantic() on each element | |
| 3224 for (size_t i = 0; i < elements->dim; i++) | |
| 3225 { e = (Expression *)elements->data[i]; | |
| 3226 if (!e) | |
| 3227 continue; | |
| 3228 e = e->semantic(sc); | |
| 3229 elements->data[i] = (void *)e; | |
| 3230 } | |
| 3231 expandTuples(elements); | |
| 3232 size_t offset = 0; | |
| 3233 for (size_t i = 0; i < elements->dim; i++) | |
| 3234 { e = (Expression *)elements->data[i]; | |
| 3235 if (!e) | |
| 3236 continue; | |
| 3237 | |
| 3238 if (!e->type) | |
| 3239 error("%s has no value", e->toChars()); | |
| 3240 e = resolveProperties(sc, e); | |
| 3241 if (i >= sd->fields.dim) | |
| 3242 { error("more initializers than fields of %s", sd->toChars()); | |
| 3243 break; | |
| 3244 } | |
| 3245 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3246 VarDeclaration *v = s->isVarDeclaration(); | |
| 3247 assert(v); | |
| 3248 if (v->offset < offset) | |
| 3249 error("overlapping initialization for %s", v->toChars()); | |
| 3250 offset = v->offset + v->type->size(); | |
| 3251 | |
| 3252 Type *telem = v->type; | |
| 3253 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3254 { /* Static array initialization, as in: | |
| 3255 * T[3][5] = e; | |
| 3256 */ | |
| 3257 telem = telem->toBasetype()->nextOf(); | |
| 3258 } | |
| 3259 | |
| 3260 e = e->implicitCastTo(sc, telem); | |
| 3261 | |
| 3262 elements->data[i] = (void *)e; | |
| 3263 } | |
| 3264 | |
| 3265 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3266 */ | |
| 3267 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3268 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3269 VarDeclaration *v = s->isVarDeclaration(); | |
| 3270 assert(v); | |
| 3271 | |
| 3272 if (v->offset < offset) | |
| 3273 { e = NULL; | |
| 3274 sd->hasUnions = 1; | |
| 3275 } | |
| 3276 else | |
| 3277 { | |
| 3278 if (v->init) | |
| 3279 { e = v->init->toExpression(); | |
| 3280 if (!e) | |
| 1587 | 3281 { error("cannot make expression out of initializer for %s", v->toChars()); |
| 3282 e = new ErrorExp(); | |
| 3283 } | |
| 3284 else if (v->scope) | |
| 3285 { // Do deferred semantic anaylsis | |
| 3286 Initializer *i2 = v->init->syntaxCopy(); | |
| 3287 i2 = i2->semantic(v->scope, v->type); | |
| 3288 e = i2->toExpression(); | |
| 3289 v->scope = NULL; | |
| 3290 } | |
| 159 | 3291 } |
| 3292 else | |
|
1627
e83f0778c260
Merge DMD r321: bugzilla 3575 CTFE: member structs not initialized correctly
Leandro Lucarella <llucax@gmail.com>
parents:
1626
diff
changeset
|
3293 e = v->type->defaultInitLiteral(loc); |
| 159 | 3294 offset = v->offset + v->type->size(); |
| 3295 } | |
| 3296 elements->push(e); | |
| 3297 } | |
| 3298 | |
| 3299 type = sd->type; | |
| 3300 return this; | |
| 3301 } | |
| 3302 | |
| 3303 /************************************** | |
| 3304 * Gets expression at offset of type. | |
| 3305 * Returns NULL if not found. | |
| 3306 */ | |
| 3307 | |
| 3308 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3309 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3310 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3311 // /*toChars()*/"", type->toChars(), offset); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3312 Expression *e = NULL; |
| 159 | 3313 int i = getFieldIndex(type, offset); |
| 3314 | |
| 3315 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3316 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3317 //printf("\ti = %d\n", i); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3318 assert(i < elements->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3319 e = (Expression *)elements->data[i]; |
| 159 | 3320 if (e) |
| 3321 { | |
| 1587 | 3322 //printf("e = %s, e->type = %s\n", e->toChars(), e->type->toChars()); |
| 3323 | |
| 3324 /* If type is a static array, and e is an initializer for that array, | |
| 3325 * then the field initializer should be an array literal of e. | |
| 3326 */ | |
| 3327 if (e->type != type && type->ty == Tsarray) | |
| 3328 { TypeSArray *tsa = (TypeSArray *)type; | |
| 3329 uinteger_t length = tsa->dim->toInteger(); | |
| 3330 Expressions *z = new Expressions; | |
| 3331 z->setDim(length); | |
| 3332 for (int q = 0; q < length; ++q) | |
| 3333 z->data[q] = e->copy(); | |
| 3334 e = new ArrayLiteralExp(loc, z); | |
| 3335 e->type = type; | |
| 3336 } | |
| 3337 else | |
| 3338 { | |
| 3339 e = e->copy(); | |
| 3340 e->type = type; | |
| 3341 } | |
| 159 | 3342 } |
| 3343 } | |
| 3344 return e; | |
| 3345 } | |
| 3346 | |
| 3347 /************************************ | |
| 3348 * Get index of field. | |
| 3349 * Returns -1 if not found. | |
| 3350 */ | |
| 3351 | |
| 3352 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3353 { | |
| 3354 /* Find which field offset is by looking at the field offsets | |
| 3355 */ | |
| 1587 | 3356 if (elements->dim) |
| 3357 { | |
| 3358 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3359 { | |
| 3360 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3361 VarDeclaration *v = s->isVarDeclaration(); | |
| 3362 assert(v); | |
| 3363 | |
| 3364 if (offset == v->offset && | |
| 3365 type->size() == v->type->size()) | |
| 3366 { Expression *e = (Expression *)elements->data[i]; | |
| 3367 if (e) | |
| 3368 { | |
| 3369 return i; | |
| 3370 } | |
| 3371 break; | |
| 3372 } | |
| 159 | 3373 } |
| 3374 } | |
| 3375 return -1; | |
| 3376 } | |
| 3377 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3378 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3379 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3380 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3381 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3382 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3383 #endif |
| 159 | 3384 |
| 3385 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3386 { | |
| 3387 return this; | |
| 3388 } | |
| 3389 | |
| 3390 | |
| 3391 int StructLiteralExp::checkSideEffect(int flag) | |
| 3392 { int f = 0; | |
| 3393 | |
| 3394 for (size_t i = 0; i < elements->dim; i++) | |
| 3395 { Expression *e = (Expression *)elements->data[i]; | |
| 3396 if (!e) | |
| 3397 continue; | |
| 3398 | |
| 3399 f |= e->checkSideEffect(2); | |
| 3400 } | |
| 3401 if (flag == 0 && f == 0) | |
| 3402 Expression::checkSideEffect(0); | |
| 3403 return f; | |
| 3404 } | |
| 3405 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3406 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3407 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3408 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3409 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3410 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3411 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3412 |
| 159 | 3413 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3414 { | |
| 3415 buf->writestring(sd->toChars()); | |
| 3416 buf->writeByte('('); | |
| 3417 argsToCBuffer(buf, elements, hgs); | |
| 3418 buf->writeByte(')'); | |
| 3419 } | |
| 3420 | |
| 3421 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3422 { | |
| 3423 size_t dim = elements ? elements->dim : 0; | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
3424 buf->printf("S%zu", dim); |
| 159 | 3425 for (size_t i = 0; i < dim; i++) |
| 3426 { Expression *e = (Expression *)elements->data[i]; | |
| 3427 if (e) | |
| 3428 e->toMangleBuffer(buf); | |
| 3429 else | |
| 3430 buf->writeByte('v'); // 'v' for void | |
| 3431 } | |
| 3432 } | |
| 3433 | |
| 3434 /************************ TypeDotIdExp ************************************/ | |
| 3435 | |
| 3436 /* Things like: | |
| 3437 * int.size | |
| 3438 * foo.size | |
| 3439 * (foo).size | |
| 3440 * cast(foo).size | |
| 3441 */ | |
| 3442 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3443 Expression *typeDotIdExp(Loc loc, Type *type, Identifier *ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3444 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3445 return new DotIdExp(loc, new TypeExp(loc, type), ident); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3446 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3447 |
| 159 | 3448 |
| 3449 /************************************************************/ | |
| 3450 | |
| 3451 // Mainly just a placeholder | |
| 3452 | |
| 3453 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3454 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3455 { | |
| 3456 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3457 this->type = type; | |
| 3458 } | |
| 3459 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3460 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3461 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3462 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3463 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3464 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3465 |
| 159 | 3466 Expression *TypeExp::semantic(Scope *sc) |
| 3467 { | |
| 3468 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3469 type = type->semantic(loc, sc); | |
| 3470 return this; | |
| 3471 } | |
| 3472 | |
| 3473 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3474 { | |
| 3475 type->toCBuffer(buf, NULL, hgs); | |
| 3476 } | |
| 3477 | |
| 3478 /************************************************************/ | |
| 3479 | |
| 3480 // Mainly just a placeholder | |
| 3481 | |
| 3482 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3483 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3484 { | |
| 3485 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3486 //static int count; if (++count == 38) *(char*)0=0; | |
| 3487 this->sds = pkg; | |
| 3488 } | |
| 3489 | |
| 3490 Expression *ScopeExp::syntaxCopy() | |
| 3491 { | |
| 3492 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3493 return se; | |
| 3494 } | |
| 3495 | |
| 3496 Expression *ScopeExp::semantic(Scope *sc) | |
| 3497 { | |
| 3498 TemplateInstance *ti; | |
| 3499 ScopeDsymbol *sds2; | |
| 3500 | |
| 3501 #if LOGSEMANTIC | |
| 3502 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3503 #endif | |
| 3504 Lagain: | |
| 3505 ti = sds->isTemplateInstance(); | |
| 3506 if (ti && !global.errors) | |
| 3507 { Dsymbol *s; | |
| 1587 | 3508 if (!ti->semanticRun) |
| 159 | 3509 ti->semantic(sc); |
| 3510 s = ti->inst->toAlias(); | |
| 3511 sds2 = s->isScopeDsymbol(); | |
| 3512 if (!sds2) | |
| 3513 { Expression *e; | |
| 3514 | |
| 3515 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3516 if (ti->withsym) | |
| 3517 { | |
| 3518 // Same as wthis.s | |
| 3519 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3520 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3521 } | |
| 3522 else | |
| 3523 e = new DsymbolExp(loc, s); | |
| 3524 e = e->semantic(sc); | |
| 3525 //printf("-1ScopeExp::semantic()\n"); | |
| 3526 return e; | |
| 3527 } | |
| 3528 if (sds2 != sds) | |
| 3529 { | |
| 3530 sds = sds2; | |
| 3531 goto Lagain; | |
| 3532 } | |
| 3533 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3534 } | |
| 3535 else | |
| 3536 { | |
| 3537 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3538 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3539 sds->semantic(sc); | |
| 3540 } | |
| 3541 type = Type::tvoid; | |
| 3542 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3543 return this; | |
| 3544 } | |
| 3545 | |
| 3546 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3547 { | |
| 3548 if (sds->isTemplateInstance()) | |
| 3549 { | |
| 3550 sds->toCBuffer(buf, hgs); | |
| 3551 } | |
| 3552 else | |
| 3553 { | |
| 3554 buf->writestring(sds->kind()); | |
| 3555 buf->writestring(" "); | |
| 3556 buf->writestring(sds->toChars()); | |
| 3557 } | |
| 3558 } | |
| 3559 | |
| 3560 /********************** TemplateExp **************************************/ | |
| 3561 | |
| 3562 // Mainly just a placeholder | |
| 3563 | |
| 3564 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3565 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3566 { | |
| 3567 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3568 this->td = td; | |
| 3569 } | |
| 3570 | |
| 3571 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3572 { | |
| 3573 buf->writestring(td->toChars()); | |
| 3574 } | |
| 3575 | |
| 3576 void TemplateExp::rvalue() | |
| 3577 { | |
| 3578 error("template %s has no value", toChars()); | |
| 3579 } | |
| 3580 | |
| 3581 /********************** NewExp **************************************/ | |
| 3582 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3583 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3584 |
| 159 | 3585 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3586 Type *newtype, Expressions *arguments) | |
| 3587 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3588 { | |
| 3589 this->thisexp = thisexp; | |
| 3590 this->newargs = newargs; | |
| 3591 this->newtype = newtype; | |
| 3592 this->arguments = arguments; | |
| 3593 member = NULL; | |
| 3594 allocator = NULL; | |
| 3595 onstack = 0; | |
| 3596 } | |
| 3597 | |
| 3598 Expression *NewExp::syntaxCopy() | |
| 3599 { | |
| 3600 return new NewExp(loc, | |
| 3601 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3602 arraySyntaxCopy(newargs), | |
| 3603 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3604 } | |
| 3605 | |
| 3606 | |
| 3607 Expression *NewExp::semantic(Scope *sc) | |
| 3608 { int i; | |
| 3609 Type *tb; | |
| 3610 ClassDeclaration *cdthis = NULL; | |
| 3611 | |
| 3612 #if LOGSEMANTIC | |
| 3613 printf("NewExp::semantic() %s\n", toChars()); | |
| 3614 if (thisexp) | |
| 3615 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3616 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3617 #endif | |
| 3618 if (type) // if semantic() already run | |
| 3619 return this; | |
| 3620 | |
| 3621 Lagain: | |
| 3622 if (thisexp) | |
| 3623 { thisexp = thisexp->semantic(sc); | |
| 3624 cdthis = thisexp->type->isClassHandle(); | |
| 3625 if (cdthis) | |
| 3626 { | |
| 3627 sc = sc->push(cdthis); | |
| 3628 type = newtype->semantic(loc, sc); | |
| 3629 sc = sc->pop(); | |
| 3630 } | |
| 3631 else | |
| 3632 { | |
| 3633 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3634 type = newtype->semantic(loc, sc); | |
| 3635 } | |
| 3636 } | |
| 3637 else | |
| 3638 type = newtype->semantic(loc, sc); | |
| 3639 newtype = type; // in case type gets cast to something else | |
| 3640 tb = type->toBasetype(); | |
| 3641 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3642 | |
| 3643 arrayExpressionSemantic(newargs, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3644 preFunctionParameters(loc, sc, newargs); |
| 159 | 3645 arrayExpressionSemantic(arguments, sc); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3646 preFunctionParameters(loc, sc, arguments); |
| 159 | 3647 |
| 3648 if (thisexp && tb->ty != Tclass) | |
| 3649 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3650 | |
| 3651 if (tb->ty == Tclass) | |
| 3652 { TypeFunction *tf; | |
| 3653 | |
| 3654 TypeClass *tc = (TypeClass *)(tb); | |
| 3655 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3656 if (cd->isInterfaceDeclaration()) | |
| 3657 error("cannot create instance of interface %s", cd->toChars()); | |
| 3658 else if (cd->isAbstract()) | |
| 3659 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3660 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3661 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3662 if (fd && fd->isAbstract()) | |
| 3663 error("function %s is abstract", fd->toChars()); | |
| 3664 } | |
| 3665 } | |
| 3666 checkDeprecated(sc, cd); | |
| 3667 if (cd->isNested()) | |
| 3668 { /* We need a 'this' pointer for the nested class. | |
| 3669 * Ensure we have the right one. | |
| 3670 */ | |
| 3671 Dsymbol *s = cd->toParent2(); | |
| 3672 ClassDeclaration *cdn = s->isClassDeclaration(); | |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3673 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3674 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3675 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3676 if (cdn) |
| 3677 { | |
| 3678 if (!cdthis) | |
| 3679 { | |
| 3680 // Supply an implicit 'this' and try again | |
| 3681 thisexp = new ThisExp(loc); | |
| 3682 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3683 { if (!sp) | |
| 3684 { | |
| 3685 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3686 break; | |
| 3687 } | |
| 3688 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3689 if (!cdp) | |
| 3690 continue; | |
| 3691 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3692 break; | |
| 3693 // Add a '.outer' and try again | |
| 3694 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3695 } | |
| 3696 if (!global.errors) | |
| 3697 goto Lagain; | |
| 3698 } | |
| 3699 if (cdthis) | |
| 3700 { | |
| 3701 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3702 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3703 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3704 } | |
| 3705 #if 0 | |
| 3706 else | |
| 3707 { | |
| 3708 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3709 { | |
| 3710 if (!sf) | |
| 3711 { | |
| 3712 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3713 break; | |
| 3714 } | |
| 3715 printf("sf = %s\n", sf->toChars()); | |
| 3716 AggregateDeclaration *ad = sf->isThis(); | |
| 3717 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3718 break; | |
| 3719 } | |
| 3720 } | |
| 3721 #endif | |
| 3722 } | |
| 3723 else if (thisexp) | |
| 3724 error("e.new is only for allocating nested classes"); | |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3725 else if (fdn) |
| 1587 | 3726 { |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3727 // make sure the parent context fdn of cd is reachable from sc |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3728 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3729 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3730 if (fdn == sp) |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3731 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3732 FuncDeclaration *fsp = sp ? sp->isFuncDeclaration() : NULL; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3733 if (!sp || (fsp && fsp->isStatic())) |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3734 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3735 error("outer function context of %s is needed to 'new' nested class %s", fdn->toPrettyChars(), cd->toPrettyChars()); |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3736 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3737 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3738 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3739 } |
| 159 | 3740 } |
| 3741 else if (thisexp) | |
| 3742 error("e.new is only for allocating nested classes"); | |
| 3743 | |
| 3744 FuncDeclaration *f = cd->ctor; | |
| 3745 if (f) | |
| 3746 { | |
| 3747 assert(f); | |
| 1587 | 3748 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 3749 checkDeprecated(sc, f); |
| 3750 member = f->isCtorDeclaration(); | |
| 3751 assert(member); | |
| 3752 | |
| 3753 cd->accessCheck(loc, sc, member); | |
| 3754 | |
| 3755 tf = (TypeFunction *)f->type; | |
| 3756 type = tf->next; | |
| 3757 | |
| 3758 if (!arguments) | |
| 3759 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3760 functionParameters(loc, sc, tf, arguments); |
| 159 | 3761 } |
| 3762 else | |
| 3763 { | |
| 3764 if (arguments && arguments->dim) | |
| 3765 error("no constructor for %s", cd->toChars()); | |
| 3766 } | |
| 3767 | |
| 3768 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3769 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3770 // Prepend the size argument to newargs[] |
|
891
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
3771 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3772 if (!newargs) |
| 3773 newargs = new Expressions(); | |
| 3774 newargs->shift(e); | |
| 3775 | |
| 1587 | 3776 f = cd->aggNew->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3777 allocator = f->isNewDeclaration(); |
| 3778 assert(allocator); | |
| 3779 | |
| 3780 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3781 functionParameters(loc, sc, tf, newargs); |
| 159 | 3782 } |
| 3783 else | |
| 3784 { | |
| 3785 if (newargs && newargs->dim) | |
| 3786 error("no allocator for %s", cd->toChars()); | |
| 3787 } | |
| 3788 } | |
| 3789 else if (tb->ty == Tstruct) | |
| 3790 { | |
| 3791 TypeStruct *ts = (TypeStruct *)tb; | |
| 3792 StructDeclaration *sd = ts->sym; | |
| 3793 FuncDeclaration *f = sd->aggNew; | |
| 3794 TypeFunction *tf; | |
| 3795 | |
| 3796 if (arguments && arguments->dim) | |
| 3797 error("no constructor for %s", type->toChars()); | |
| 3798 | |
| 3799 if (f) | |
| 3800 { | |
| 3801 Expression *e; | |
| 3802 | |
| 3803 // Prepend the uint size argument to newargs[] | |
| 3804 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3805 if (!newargs) | |
| 3806 newargs = new Expressions(); | |
| 3807 newargs->shift(e); | |
| 3808 | |
| 1587 | 3809 f = f->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3810 allocator = f->isNewDeclaration(); |
| 3811 assert(allocator); | |
| 3812 | |
| 3813 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3814 functionParameters(loc, sc, tf, newargs); |
| 159 | 3815 |
| 3816 e = new VarExp(loc, f); | |
| 3817 e = new CallExp(loc, e, newargs); | |
| 3818 e = e->semantic(sc); | |
| 3819 e->type = type->pointerTo(); | |
| 3820 return e; | |
| 3821 } | |
| 3822 | |
| 3823 type = type->pointerTo(); | |
| 3824 } | |
| 3825 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3826 { | |
| 3827 for (size_t i = 0; i < arguments->dim; i++) | |
| 3828 { | |
| 3829 if (tb->ty != Tarray) | |
| 3830 { error("too many arguments for array"); | |
| 3831 arguments->dim = i; | |
| 3832 break; | |
| 3833 } | |
| 3834 | |
| 3835 Expression *arg = (Expression *)arguments->data[i]; | |
| 3836 arg = resolveProperties(sc, arg); | |
| 3837 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3838 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3839 error("negative array index %s", arg->toChars()); | |
| 3840 arguments->data[i] = (void *) arg; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3841 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3842 } |
| 3843 } | |
| 3844 else if (tb->isscalar()) | |
| 3845 { | |
| 3846 if (arguments && arguments->dim) | |
| 3847 error("no constructor for %s", type->toChars()); | |
| 3848 | |
| 3849 type = type->pointerTo(); | |
| 3850 } | |
| 3851 else | |
| 3852 { | |
| 3853 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3854 type = type->pointerTo(); | |
| 3855 } | |
| 3856 | |
| 3857 //printf("NewExp: '%s'\n", toChars()); | |
| 3858 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3859 | |
| 3860 return this; | |
| 3861 } | |
| 3862 | |
| 3863 int NewExp::checkSideEffect(int flag) | |
| 3864 { | |
| 3865 return 1; | |
| 3866 } | |
| 3867 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3868 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3869 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3870 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3871 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3872 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3873 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3874 |
| 159 | 3875 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3876 { int i; | |
| 3877 | |
| 3878 if (thisexp) | |
| 3879 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3880 buf->writeByte('.'); | |
| 3881 } | |
| 3882 buf->writestring("new "); | |
| 3883 if (newargs && newargs->dim) | |
| 3884 { | |
| 3885 buf->writeByte('('); | |
| 3886 argsToCBuffer(buf, newargs, hgs); | |
| 3887 buf->writeByte(')'); | |
| 3888 } | |
| 3889 newtype->toCBuffer(buf, NULL, hgs); | |
| 3890 if (arguments && arguments->dim) | |
| 3891 { | |
| 3892 buf->writeByte('('); | |
| 3893 argsToCBuffer(buf, arguments, hgs); | |
| 3894 buf->writeByte(')'); | |
| 3895 } | |
| 3896 } | |
| 3897 | |
| 3898 /********************** NewAnonClassExp **************************************/ | |
| 3899 | |
| 3900 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3901 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3902 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3903 { | |
| 3904 this->thisexp = thisexp; | |
| 3905 this->newargs = newargs; | |
| 3906 this->cd = cd; | |
| 3907 this->arguments = arguments; | |
| 3908 } | |
| 3909 | |
| 3910 Expression *NewAnonClassExp::syntaxCopy() | |
| 3911 { | |
| 3912 return new NewAnonClassExp(loc, | |
| 3913 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3914 arraySyntaxCopy(newargs), | |
| 3915 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3916 arraySyntaxCopy(arguments)); | |
| 3917 } | |
| 3918 | |
| 3919 | |
| 3920 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3921 { | |
| 3922 #if LOGSEMANTIC | |
| 3923 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3924 //printf("thisexp = %p\n", thisexp); |
| 159 | 3925 //printf("type: %s\n", type->toChars()); |
| 3926 #endif | |
| 3927 | |
| 3928 Expression *d = new DeclarationExp(loc, cd); | |
| 3929 d = d->semantic(sc); | |
| 3930 | |
| 3931 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3932 | |
| 3933 Expression *c = new CommaExp(loc, d, n); | |
| 3934 return c->semantic(sc); | |
| 3935 } | |
| 3936 | |
| 3937 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3938 { | |
| 3939 return 1; | |
| 3940 } | |
| 3941 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3942 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3943 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3944 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3945 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3946 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3947 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3948 |
| 159 | 3949 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3950 { int i; | |
| 3951 | |
| 3952 if (thisexp) | |
| 3953 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3954 buf->writeByte('.'); | |
| 3955 } | |
| 3956 buf->writestring("new"); | |
| 3957 if (newargs && newargs->dim) | |
| 3958 { | |
| 3959 buf->writeByte('('); | |
| 3960 argsToCBuffer(buf, newargs, hgs); | |
| 3961 buf->writeByte(')'); | |
| 3962 } | |
| 3963 buf->writestring(" class "); | |
| 3964 if (arguments && arguments->dim) | |
| 3965 { | |
| 3966 buf->writeByte('('); | |
| 3967 argsToCBuffer(buf, arguments, hgs); | |
| 3968 buf->writeByte(')'); | |
| 3969 } | |
| 3970 //buf->writestring(" { }"); | |
| 3971 if (cd) | |
| 3972 { | |
| 3973 cd->toCBuffer(buf, hgs); | |
| 3974 } | |
| 3975 } | |
| 3976 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3977 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3978 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3979 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3980 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
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parents:
846
diff
changeset
|
3981 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3982 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3983 assert(var); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3984 this->var = var; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3985 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3986 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3987 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3988 |
| 159 | 3989 /********************** SymOffExp **************************************/ |
| 3990 | |
| 3991 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3992 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3993 { | |
| 3994 assert(var); | |
| 3995 this->var = var; | |
| 3996 this->offset = offset; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
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parents:
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diff
changeset
|
3997 m = NULL; |
| 159 | 3998 VarDeclaration *v = var->isVarDeclaration(); |
| 3999 if (v && v->needThis()) | |
| 4000 error("need 'this' for address of %s", v->toChars()); | |
| 4001 } | |
| 4002 | |
| 4003 Expression *SymOffExp::semantic(Scope *sc) | |
| 4004 { | |
| 4005 #if LOGSEMANTIC | |
| 4006 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 4007 #endif | |
| 4008 //var->semantic(sc); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
4009 m = sc->module; |
| 159 | 4010 if (!type) |
| 4011 type = var->type->pointerTo(); | |
| 4012 VarDeclaration *v = var->isVarDeclaration(); | |
| 4013 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
4014 v->checkNestedReference(sc, loc); |
| 159 | 4015 return this; |
| 4016 } | |
| 4017 | |
| 4018 int SymOffExp::isBool(int result) | |
| 4019 { | |
| 4020 return result ? TRUE : FALSE; | |
| 4021 } | |
| 4022 | |
| 4023 void SymOffExp::checkEscape() | |
| 4024 { | |
| 4025 VarDeclaration *v = var->isVarDeclaration(); | |
| 4026 if (v) | |
| 4027 { | |
|
1618
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Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4028 if (!v->isDataseg() && !(v->storage_class & (STCref | STCout))) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4029 { /* BUG: This should be allowed: |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
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diff
changeset
|
4030 * void foo() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4031 * { int a; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4032 * int* bar() { return &a; } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4033 * } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4034 */ |
|
a87f1d6ff48e
Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4035 error("escaping reference to local %s", v->toChars()); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
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diff
changeset
|
4036 } |
| 159 | 4037 } |
| 4038 } | |
| 4039 | |
| 4040 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4041 { | |
| 4042 if (offset) | |
| 4043 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 4044 else | |
| 4045 buf->printf("& %s", var->toChars()); | |
| 4046 } | |
| 4047 | |
| 4048 /******************************** VarExp **************************/ | |
| 4049 | |
| 4050 VarExp::VarExp(Loc loc, Declaration *var) | |
| 4051 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 4052 { | |
| 4053 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 4054 this->var = var; | |
| 4055 this->type = var->type; | |
| 4056 } | |
| 4057 | |
| 4058 int VarExp::equals(Object *o) | |
| 4059 { VarExp *ne; | |
| 4060 | |
| 4061 if (this == o || | |
| 4062 (((Expression *)o)->op == TOKvar && | |
| 4063 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 4064 var == ne->var)) | |
| 4065 return 1; | |
| 4066 return 0; | |
| 4067 } | |
| 4068 | |
| 4069 Expression *VarExp::semantic(Scope *sc) | |
| 4070 { FuncLiteralDeclaration *fd; | |
| 4071 | |
| 4072 #if LOGSEMANTIC | |
| 4073 printf("VarExp::semantic(%s)\n", toChars()); | |
| 4074 #endif | |
| 4075 if (!type) | |
| 4076 { type = var->type; | |
| 4077 #if 0 | |
| 4078 if (var->storage_class & STClazy) | |
| 4079 { | |
| 4080 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 4081 type = new TypeDelegate(tf); | |
| 4082 type = type->semantic(loc, sc); | |
| 4083 } | |
| 4084 #endif | |
| 4085 } | |
|
1618
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Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4086 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4087 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4088 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4089 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4090 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4091 //accessCheck(loc, sc, NULL, var); |
| 159 | 4092 |
| 4093 VarDeclaration *v = var->isVarDeclaration(); | |
| 4094 if (v) | |
| 4095 { | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
4096 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray && v->init) |
| 159 | 4097 { |
| 4098 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 4099 if (ei) | |
| 4100 { | |
| 4101 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 4102 return ei->exp->implicitCastTo(sc, type); | |
| 4103 } | |
| 4104 } | |
| 4105 v->checkNestedReference(sc, loc); | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4106 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
4107 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4108 { |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
4109 if (v->isDataseg() && !v->isImmutable()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4110 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4111 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4112 #endif |
| 159 | 4113 } |
| 4114 #if 0 | |
| 4115 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 4116 { Expression *e; | |
| 4117 e = new FuncExp(loc, fd); | |
| 4118 e->type = type; | |
| 4119 return e; | |
| 4120 } | |
| 4121 #endif | |
|
1618
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Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4122 |
| 159 | 4123 return this; |
| 4124 } | |
| 4125 | |
| 4126 char *VarExp::toChars() | |
| 4127 { | |
| 4128 return var->toChars(); | |
| 4129 } | |
| 4130 | |
| 4131 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4132 { | |
| 4133 buf->writestring(var->toChars()); | |
| 4134 } | |
| 4135 | |
| 4136 void VarExp::checkEscape() | |
| 4137 { | |
| 4138 VarDeclaration *v = var->isVarDeclaration(); | |
| 4139 if (v) | |
| 4140 { Type *tb = v->type->toBasetype(); | |
| 4141 // if reference type | |
| 4142 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4143 { | |
|
1530
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4144 if (v->isScope() && !v->noscope) |
|
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4145 error("escaping reference to scope local %s", v->toChars()); |
| 159 | 4146 else if (v->storage_class & STCvariadic) |
| 4147 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4148 } | |
| 4149 } | |
| 4150 } | |
| 4151 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4152 void VarExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4153 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4154 VarDeclaration *v = var->isVarDeclaration(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4155 if (v) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4156 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4157 if (!v->isDataseg() && !(v->storage_class & (STCref | STCout))) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4158 error("escaping reference to local variable %s", v->toChars()); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4159 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4160 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4161 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4162 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4163 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4164 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4165 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4166 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4167 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4168 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4169 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4170 |
| 159 | 4171 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4172 { | |
| 4173 #if 0 | |
| 4174 tym = tybasic(e1->ET->Tty); | |
| 4175 if (!(tyscalar(tym) || | |
| 4176 tym == TYstruct || | |
| 4177 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4178 synerr(EM_lvalue); // lvalue expected | |
| 4179 #endif | |
| 4180 if (var->storage_class & STClazy) | |
| 4181 error("lazy variables cannot be lvalues"); | |
| 4182 return this; | |
| 4183 } | |
| 4184 | |
| 4185 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4186 { | |
| 4187 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4188 if (sc->incontract && var->isParameter()) | |
| 4189 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4190 | |
| 4191 if (type && type->toBasetype()->ty == Tsarray) | |
| 4192 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4193 | |
| 4194 VarDeclaration *v = var->isVarDeclaration(); | |
| 4195 if (v && v->canassign == 0 && | |
| 4196 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4197 error("cannot modify final variable '%s'", var->toChars()); | |
| 4198 | |
| 4199 if (var->isCtorinit()) | |
| 4200 { // It's only modifiable if inside the right constructor | |
| 4201 Dsymbol *s = sc->func; | |
| 4202 while (1) | |
| 4203 { | |
| 4204 FuncDeclaration *fd = NULL; | |
| 4205 if (s) | |
| 4206 fd = s->isFuncDeclaration(); | |
| 4207 if (fd && | |
| 4208 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4209 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4210 fd->toParent() == var->toParent() | |
| 4211 ) | |
| 4212 { | |
| 4213 VarDeclaration *v = var->isVarDeclaration(); | |
| 4214 assert(v); | |
| 4215 v->ctorinit = 1; | |
| 4216 //printf("setting ctorinit\n"); | |
| 4217 } | |
| 4218 else | |
| 4219 { | |
| 4220 if (s) | |
| 4221 { s = s->toParent2(); | |
| 4222 continue; | |
| 4223 } | |
| 4224 else | |
| 4225 { | |
| 4226 const char *p = var->isStatic() ? "static " : ""; | |
| 4227 error("can only initialize %sconst %s inside %sconstructor", | |
| 4228 p, var->toChars(), p); | |
| 4229 } | |
| 4230 } | |
| 4231 break; | |
| 4232 } | |
| 4233 } | |
| 4234 | |
| 4235 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4236 return toLvalue(sc, e); | |
| 4237 } | |
| 4238 | |
| 4239 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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486
diff
changeset
|
4240 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4241 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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486
diff
changeset
|
4242 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4243 OverExp::OverExp(OverloadSet *s) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4244 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4245 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4246 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4247 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4248 type = Type::tvoid; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4249 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4250 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
4251 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4252 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4253 return 1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4254 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4255 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4256 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4257 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4258 return this; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4259 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4260 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4261 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4262 |
| 159 | 4263 /******************************** TupleExp **************************/ |
| 4264 | |
| 4265 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4266 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4267 { | |
| 4268 //printf("TupleExp(this = %p)\n", this); | |
| 4269 this->exps = exps; | |
| 4270 this->type = NULL; | |
| 4271 } | |
| 4272 | |
| 4273 | |
| 4274 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4275 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4276 { | |
| 4277 exps = new Expressions(); | |
| 4278 type = NULL; | |
| 4279 | |
| 4280 exps->reserve(tup->objects->dim); | |
| 4281 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4282 { Object *o = (Object *)tup->objects->data[i]; | |
| 4283 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4284 { | |
| 4285 Expression *e = (Expression *)o; | |
| 4286 e = e->syntaxCopy(); | |
| 4287 exps->push(e); | |
| 4288 } | |
| 4289 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4290 { | |
| 4291 Dsymbol *s = (Dsymbol *)o; | |
| 4292 Expression *e = new DsymbolExp(loc, s); | |
| 4293 exps->push(e); | |
| 4294 } | |
| 4295 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4296 { | |
| 4297 Type *t = (Type *)o; | |
| 4298 Expression *e = new TypeExp(loc, t); | |
| 4299 exps->push(e); | |
| 4300 } | |
| 4301 else | |
| 4302 { | |
| 4303 error("%s is not an expression", o->toChars()); | |
| 4304 } | |
| 4305 } | |
| 4306 } | |
| 4307 | |
| 4308 int TupleExp::equals(Object *o) | |
| 4309 { TupleExp *ne; | |
| 4310 | |
| 4311 if (this == o) | |
| 4312 return 1; | |
| 4313 if (((Expression *)o)->op == TOKtuple) | |
| 4314 { | |
| 4315 TupleExp *te = (TupleExp *)o; | |
| 4316 if (exps->dim != te->exps->dim) | |
| 4317 return 0; | |
| 4318 for (size_t i = 0; i < exps->dim; i++) | |
| 4319 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4320 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4321 | |
| 4322 if (!e1->equals(e2)) | |
| 4323 return 0; | |
| 4324 } | |
| 4325 return 1; | |
| 4326 } | |
| 4327 return 0; | |
| 4328 } | |
| 4329 | |
| 4330 Expression *TupleExp::syntaxCopy() | |
| 4331 { | |
| 4332 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4333 } | |
| 4334 | |
| 4335 Expression *TupleExp::semantic(Scope *sc) | |
| 4336 { | |
| 4337 #if LOGSEMANTIC | |
| 4338 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4339 #endif | |
| 4340 if (type) | |
| 4341 return this; | |
| 4342 | |
| 4343 // Run semantic() on each argument | |
| 4344 for (size_t i = 0; i < exps->dim; i++) | |
| 4345 { Expression *e = (Expression *)exps->data[i]; | |
| 4346 | |
| 4347 e = e->semantic(sc); | |
| 4348 if (!e->type) | |
| 4349 { error("%s has no value", e->toChars()); | |
| 4350 e->type = Type::terror; | |
| 4351 } | |
| 4352 exps->data[i] = (void *)e; | |
| 4353 } | |
| 4354 | |
| 4355 expandTuples(exps); | |
| 4356 if (0 && exps->dim == 1) | |
| 4357 { | |
| 4358 return (Expression *)exps->data[0]; | |
| 4359 } | |
| 4360 type = new TypeTuple(exps); | |
| 1587 | 4361 type = type->semantic(loc, sc); |
| 159 | 4362 //printf("-TupleExp::semantic(%s)\n", toChars()); |
| 4363 return this; | |
| 4364 } | |
| 4365 | |
| 4366 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4367 { | |
| 4368 buf->writestring("tuple("); | |
| 4369 argsToCBuffer(buf, exps, hgs); | |
| 4370 buf->writeByte(')'); | |
| 4371 } | |
| 4372 | |
| 4373 int TupleExp::checkSideEffect(int flag) | |
| 4374 { int f = 0; | |
| 4375 | |
| 4376 for (int i = 0; i < exps->dim; i++) | |
| 4377 { Expression *e = (Expression *)exps->data[i]; | |
| 4378 | |
| 4379 f |= e->checkSideEffect(2); | |
| 4380 } | |
| 4381 if (flag == 0 && f == 0) | |
| 4382 Expression::checkSideEffect(0); | |
| 4383 return f; | |
| 4384 } | |
| 4385 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4386 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4387 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4388 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4389 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4390 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4391 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4392 |
| 159 | 4393 void TupleExp::checkEscape() |
| 4394 { | |
| 4395 for (size_t i = 0; i < exps->dim; i++) | |
| 4396 { Expression *e = (Expression *)exps->data[i]; | |
| 4397 e->checkEscape(); | |
| 4398 } | |
| 4399 } | |
| 4400 | |
| 4401 /******************************** FuncExp *********************************/ | |
| 4402 | |
| 4403 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4404 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4405 { | |
| 4406 this->fd = fd; | |
| 4407 } | |
| 4408 | |
| 4409 Expression *FuncExp::syntaxCopy() | |
| 4410 { | |
| 4411 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4412 } | |
| 4413 | |
| 4414 Expression *FuncExp::semantic(Scope *sc) | |
| 4415 { | |
| 4416 #if LOGSEMANTIC | |
| 4417 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4418 #endif | |
| 4419 if (!type) | |
| 4420 { | |
| 4421 fd->semantic(sc); | |
| 4422 fd->parent = sc->parent; | |
| 4423 if (global.errors) | |
| 4424 { | |
| 4425 } | |
| 4426 else | |
| 4427 { | |
| 4428 fd->semantic2(sc); | |
| 1587 | 4429 if (!global.errors || |
| 4430 // need to infer return type | |
| 4431 (fd->type && fd->type->ty == Tfunction && !fd->type->nextOf())) | |
| 159 | 4432 { |
| 4433 fd->semantic3(sc); | |
| 4434 | |
| 4435 if (!global.errors && global.params.useInline) | |
| 4436 fd->inlineScan(); | |
| 4437 } | |
| 4438 } | |
| 4439 | |
| 1587 | 4440 // need to infer return type |
| 4441 if (global.errors && fd->type && fd->type->ty == Tfunction && !fd->type->nextOf()) | |
| 4442 ((TypeFunction *)fd->type)->next = Type::terror; | |
| 4443 | |
| 159 | 4444 // Type is a "delegate to" or "pointer to" the function literal |
| 4445 if (fd->isNested()) | |
| 4446 { | |
| 4447 type = new TypeDelegate(fd->type); | |
| 4448 type = type->semantic(loc, sc); | |
| 4449 } | |
| 4450 else | |
| 4451 { | |
| 4452 type = fd->type->pointerTo(); | |
| 4453 } | |
| 4454 } | |
| 4455 return this; | |
| 4456 } | |
| 4457 | |
| 4458 char *FuncExp::toChars() | |
| 4459 { | |
| 4460 return fd->toChars(); | |
| 4461 } | |
| 4462 | |
| 4463 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4464 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4465 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4466 //buf->writestring(fd->toChars()); |
| 159 | 4467 } |
| 4468 | |
| 4469 | |
| 4470 /******************************** DeclarationExp **************************/ | |
| 4471 | |
| 4472 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4473 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4474 { | |
| 4475 this->declaration = declaration; | |
| 4476 } | |
| 4477 | |
| 4478 Expression *DeclarationExp::syntaxCopy() | |
| 4479 { | |
| 4480 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4481 } | |
| 4482 | |
| 4483 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4484 { | |
| 4485 if (type) | |
| 4486 return this; | |
| 4487 | |
| 4488 #if LOGSEMANTIC | |
| 4489 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4490 #endif | |
| 4491 | |
| 4492 /* This is here to support extern(linkage) declaration, | |
| 4493 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4494 * wrapper. | |
| 4495 */ | |
| 4496 Dsymbol *s = declaration; | |
| 4497 | |
| 4498 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4499 if (ad) | |
| 4500 { | |
| 4501 if (ad->decl && ad->decl->dim == 1) | |
| 4502 s = (Dsymbol *)ad->decl->data[0]; | |
| 4503 } | |
| 4504 | |
| 4505 if (s->isVarDeclaration()) | |
| 4506 { // Do semantic() on initializer first, so: | |
| 4507 // int a = a; | |
| 4508 // will be illegal. | |
| 4509 declaration->semantic(sc); | |
| 4510 s->parent = sc->parent; | |
| 4511 } | |
| 4512 | |
| 4513 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4514 // Insert into both local scope and function scope. | |
| 4515 // Must be unique in both. | |
| 4516 if (s->ident) | |
| 4517 { | |
| 4518 if (!sc->insert(s)) | |
| 4519 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4520 else if (sc->func) | |
| 4521 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4522 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4523 !sc->func->localsymtab->insert(s)) | |
| 4524 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4525 else if (!global.params.useDeprecated) | |
| 4526 { // Disallow shadowing | |
| 4527 | |
| 4528 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4529 { Dsymbol *s2; | |
| 4530 | |
| 4531 if (scx->scopesym && scx->scopesym->symtab && | |
| 4532 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4533 s != s2) | |
| 4534 { | |
| 4535 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4536 } | |
| 4537 } | |
| 4538 } | |
| 4539 } | |
| 4540 } | |
| 4541 if (!s->isVarDeclaration()) | |
| 4542 { | |
| 1587 | 4543 Scope *sc2 = sc; |
| 4544 if (sc2->stc & (STCpure | STCnothrow)) | |
| 4545 sc2 = sc->push(); | |
| 4546 sc2->stc &= ~(STCpure | STCnothrow); | |
| 4547 declaration->semantic(sc2); | |
| 4548 if (sc2 != sc) | |
| 4549 sc2->pop(); | |
| 159 | 4550 s->parent = sc->parent; |
| 4551 } | |
| 4552 if (!global.errors) | |
| 4553 { | |
| 4554 declaration->semantic2(sc); | |
| 4555 if (!global.errors) | |
| 4556 { | |
| 4557 declaration->semantic3(sc); | |
| 4558 | |
| 4559 if (!global.errors && global.params.useInline) | |
| 4560 declaration->inlineScan(); | |
| 4561 } | |
| 4562 } | |
| 4563 | |
| 4564 type = Type::tvoid; | |
| 4565 return this; | |
| 4566 } | |
| 4567 | |
| 4568 int DeclarationExp::checkSideEffect(int flag) | |
| 4569 { | |
| 4570 return 1; | |
| 4571 } | |
| 4572 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4573 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4574 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4575 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4576 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4577 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4578 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4579 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4580 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4581 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4582 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4583 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4584 |
| 159 | 4585 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4586 { | |
| 4587 declaration->toCBuffer(buf, hgs); | |
| 4588 } | |
| 4589 | |
| 4590 | |
| 4591 /************************ TypeidExp ************************************/ | |
| 4592 | |
| 4593 /* | |
| 4594 * typeid(int) | |
| 4595 */ | |
| 4596 | |
| 4597 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4598 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4599 { | |
| 4600 this->typeidType = typeidType; | |
| 4601 } | |
| 4602 | |
| 4603 | |
| 4604 Expression *TypeidExp::syntaxCopy() | |
| 4605 { | |
| 4606 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4607 } | |
| 4608 | |
| 4609 | |
| 4610 Expression *TypeidExp::semantic(Scope *sc) | |
| 4611 { Expression *e; | |
| 4612 | |
| 4613 #if LOGSEMANTIC | |
| 4614 printf("TypeidExp::semantic()\n"); | |
| 4615 #endif | |
| 4616 typeidType = typeidType->semantic(loc, sc); | |
| 4617 e = typeidType->getTypeInfo(sc); | |
| 336 | 4618 if (e->loc.linnum == 0) |
| 4619 e->loc = loc; // so there's at least some line number info | |
| 159 | 4620 return e; |
| 4621 } | |
| 4622 | |
| 4623 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4624 { | |
| 4625 buf->writestring("typeid("); | |
| 4626 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4627 buf->writeByte(')'); | |
| 4628 } | |
| 4629 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4630 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4631 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4632 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4633 * __traits(identifier, args...) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4634 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4635 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4636 TraitsExp::TraitsExp(Loc loc, Identifier *ident, Objects *args) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4637 : Expression(loc, TOKtraits, sizeof(TraitsExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4638 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4639 this->ident = ident; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4640 this->args = args; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4641 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4642 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4643 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4644 Expression *TraitsExp::syntaxCopy() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4645 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4646 return new TraitsExp(loc, ident, TemplateInstance::arraySyntaxCopy(args)); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4647 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4648 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4649 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4650 void TraitsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4651 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4652 buf->writestring("__traits("); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4653 buf->writestring(ident->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4654 if (args) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4655 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4656 for (int i = 0; i < args->dim; i++) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4657 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4658 buf->writeByte(','); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4659 Object *oarg = (Object *)args->data[i]; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4660 ObjectToCBuffer(buf, hgs, oarg); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4661 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4662 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4663 buf->writeByte(')'); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4664 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4665 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4666 |
| 159 | 4667 /************************************************************/ |
| 4668 | |
| 4669 HaltExp::HaltExp(Loc loc) | |
| 4670 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4671 { | |
| 4672 } | |
| 4673 | |
| 4674 Expression *HaltExp::semantic(Scope *sc) | |
| 4675 { | |
| 4676 #if LOGSEMANTIC | |
| 4677 printf("HaltExp::semantic()\n"); | |
| 4678 #endif | |
| 4679 type = Type::tvoid; | |
| 4680 return this; | |
| 4681 } | |
| 4682 | |
| 4683 int HaltExp::checkSideEffect(int flag) | |
| 4684 { | |
| 4685 return 1; | |
| 4686 } | |
| 4687 | |
| 4688 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4689 { | |
| 4690 buf->writestring("halt"); | |
| 4691 } | |
| 4692 | |
| 4693 /************************************************************/ | |
| 4694 | |
| 4695 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4696 Type *tspec, enum TOK tok2) | |
| 4697 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4698 { | |
| 4699 this->targ = targ; | |
| 4700 this->id = id; | |
| 4701 this->tok = tok; | |
| 4702 this->tspec = tspec; | |
| 4703 this->tok2 = tok2; | |
| 4704 } | |
| 4705 | |
| 4706 Expression *IsExp::syntaxCopy() | |
| 4707 { | |
| 4708 return new IsExp(loc, | |
| 4709 targ->syntaxCopy(), | |
| 4710 id, | |
| 4711 tok, | |
| 4712 tspec ? tspec->syntaxCopy() : NULL, | |
| 4713 tok2); | |
| 4714 } | |
| 4715 | |
| 4716 Expression *IsExp::semantic(Scope *sc) | |
| 4717 { Type *tded; | |
| 4718 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4719 /* is(targ id tok tspec) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4720 * is(targ id == tok2) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4721 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4722 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4723 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4724 if (id && !(sc->flags & SCOPEstaticif)) |
| 4725 error("can only declare type aliases within static if conditionals"); | |
| 4726 | |
| 4727 unsigned errors_save = global.errors; | |
| 4728 global.errors = 0; | |
| 4729 global.gag++; // suppress printing of error messages | |
| 4730 targ = targ->semantic(loc, sc); | |
| 4731 global.gag--; | |
| 4732 unsigned gerrors = global.errors; | |
| 4733 global.errors = errors_save; | |
| 4734 | |
| 4735 if (gerrors) // if any errors happened | |
| 4736 { // then condition is false | |
| 4737 goto Lno; | |
| 4738 } | |
| 4739 else if (tok2 != TOKreserved) | |
| 4740 { | |
| 4741 switch (tok2) | |
| 4742 { | |
| 4743 case TOKtypedef: | |
| 4744 if (targ->ty != Ttypedef) | |
| 4745 goto Lno; | |
| 4746 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4747 break; | |
| 4748 | |
| 4749 case TOKstruct: | |
| 4750 if (targ->ty != Tstruct) | |
| 4751 goto Lno; | |
| 4752 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4753 goto Lno; | |
| 4754 tded = targ; | |
| 4755 break; | |
| 4756 | |
| 4757 case TOKunion: | |
| 4758 if (targ->ty != Tstruct) | |
| 4759 goto Lno; | |
| 4760 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4761 goto Lno; | |
| 4762 tded = targ; | |
| 4763 break; | |
| 4764 | |
| 4765 case TOKclass: | |
| 4766 if (targ->ty != Tclass) | |
| 4767 goto Lno; | |
| 4768 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4769 goto Lno; | |
| 4770 tded = targ; | |
| 4771 break; | |
| 4772 | |
| 4773 case TOKinterface: | |
| 4774 if (targ->ty != Tclass) | |
| 4775 goto Lno; | |
| 4776 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4777 goto Lno; | |
| 4778 tded = targ; | |
| 4779 break; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4780 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4781 case TOKconst: |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4782 if (!targ->isConst()) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4783 goto Lno; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4784 tded = targ; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4785 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4786 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4787 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4788 case TOKimmutable: |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
4789 if (!targ->isImmutable()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4790 goto Lno; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4791 tded = targ; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4792 break; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4793 |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4794 case TOKshared: |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4795 if (!targ->isShared()) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4796 goto Lno; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4797 tded = targ; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4798 break; |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4799 #endif |
| 159 | 4800 |
| 4801 case TOKsuper: | |
| 4802 // If class or interface, get the base class and interfaces | |
| 4803 if (targ->ty != Tclass) | |
| 4804 goto Lno; | |
| 4805 else | |
| 4806 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4807 Parameters *args = new Parameters; |
| 159 | 4808 args->reserve(cd->baseclasses.dim); |
| 4809 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4810 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4811 args->push(new Parameter(STCin, b->type, NULL, NULL)); |
| 159 | 4812 } |
| 4813 tded = new TypeTuple(args); | |
| 4814 } | |
| 4815 break; | |
| 4816 | |
| 4817 case TOKenum: | |
| 4818 if (targ->ty != Tenum) | |
| 4819 goto Lno; | |
| 4820 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4821 break; | |
| 4822 | |
| 4823 case TOKdelegate: | |
| 4824 if (targ->ty != Tdelegate) | |
| 4825 goto Lno; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4826 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4827 break; |
| 4828 | |
| 4829 case TOKfunction: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4830 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4831 if (targ->ty != Tfunction) |
| 159 | 4832 goto Lno; |
| 4833 tded = targ; | |
| 4834 | |
| 4835 /* Generate tuple from function parameter types. | |
| 4836 */ | |
| 4837 assert(tded->ty == Tfunction); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4838 Parameters *params = ((TypeFunction *)tded)->parameters; |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4839 size_t dim = Parameter::dim(params); |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4840 Parameters *args = new Parameters; |
| 159 | 4841 args->reserve(dim); |
| 4842 for (size_t i = 0; i < dim; i++) | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4843 { Parameter *arg = Parameter::getNth(params, i); |
| 159 | 4844 assert(arg && arg->type); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4845 args->push(new Parameter(arg->storageClass, arg->type, NULL, NULL)); |
| 159 | 4846 } |
| 4847 tded = new TypeTuple(args); | |
| 4848 break; | |
| 4849 } | |
| 4850 case TOKreturn: | |
| 4851 /* Get the 'return type' for the function, | |
| 4852 * delegate, or pointer to function. | |
| 4853 */ | |
| 4854 if (targ->ty == Tfunction) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4855 tded = ((TypeFunction *)targ)->next; |
| 159 | 4856 else if (targ->ty == Tdelegate) |
| 4857 tded = targ->next->next; | |
| 4858 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4859 tded = targ->next->next; | |
| 4860 else | |
| 4861 goto Lno; | |
| 4862 break; | |
| 4863 | |
| 4864 default: | |
| 4865 assert(0); | |
| 4866 } | |
| 4867 goto Lyes; | |
| 4868 } | |
| 4869 else if (id && tspec) | |
| 4870 { | |
| 4871 /* Evaluate to TRUE if targ matches tspec. | |
| 4872 * If TRUE, declare id as an alias for the specialized type. | |
| 4873 */ | |
| 4874 | |
| 4875 MATCH m; | |
| 4876 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4877 | |
| 4878 TemplateParameters parameters; | |
| 4879 parameters.setDim(1); | |
| 4880 parameters.data[0] = (void *)&tp; | |
| 4881 | |
| 4882 Objects dedtypes; | |
| 4883 dedtypes.setDim(1); | |
| 4884 dedtypes.data[0] = NULL; | |
| 4885 | |
| 4886 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4887 if (m == MATCHnomatch || | |
| 4888 (m != MATCHexact && tok == TOKequal)) | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4889 { |
| 159 | 4890 goto Lno; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4891 } |
| 159 | 4892 else |
| 4893 { | |
| 4894 assert(dedtypes.dim == 1); | |
| 4895 tded = (Type *)dedtypes.data[0]; | |
| 4896 if (!tded) | |
| 4897 tded = targ; | |
| 4898 goto Lyes; | |
| 4899 } | |
| 4900 } | |
| 4901 else if (id) | |
| 4902 { | |
| 4903 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4904 */ | |
| 4905 tded = targ; | |
| 4906 goto Lyes; | |
| 4907 } | |
| 4908 else if (tspec) | |
| 4909 { | |
| 4910 /* Evaluate to TRUE if targ matches tspec | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4911 * is(targ == tspec) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4912 * is(targ : tspec) |
| 159 | 4913 */ |
| 4914 tspec = tspec->semantic(loc, sc); | |
| 4915 //printf("targ = %s\n", targ->toChars()); | |
| 4916 //printf("tspec = %s\n", tspec->toChars()); | |
| 4917 if (tok == TOKcolon) | |
| 4918 { if (targ->implicitConvTo(tspec)) | |
| 4919 goto Lyes; | |
| 4920 else | |
| 4921 goto Lno; | |
| 4922 } | |
| 4923 else /* == */ | |
| 4924 { if (targ->equals(tspec)) | |
| 4925 goto Lyes; | |
| 4926 else | |
| 4927 goto Lno; | |
| 4928 } | |
| 4929 } | |
| 4930 | |
| 4931 Lyes: | |
| 4932 if (id) | |
| 4933 { | |
| 4934 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4935 s->semantic(sc); | |
| 4936 sc->insert(s); | |
| 4937 if (sc->sd) | |
| 4938 s->addMember(sc, sc->sd, 1); | |
| 4939 } | |
| 4940 return new IntegerExp(1); | |
| 4941 | |
| 4942 Lno: | |
| 4943 return new IntegerExp(0); | |
| 4944 } | |
| 4945 | |
| 4946 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4947 { | |
| 4948 buf->writestring("is("); | |
| 4949 targ->toCBuffer(buf, id, hgs); | |
| 4950 if (tok2 != TOKreserved) | |
| 4951 { | |
| 4952 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4953 } | |
| 4954 else if (tspec) | |
| 4955 { | |
| 4956 if (tok == TOKcolon) | |
| 4957 buf->writestring(" : "); | |
| 4958 else | |
| 4959 buf->writestring(" == "); | |
| 4960 tspec->toCBuffer(buf, NULL, hgs); | |
| 4961 } | |
| 336 | 4962 #if DMDV2 |
| 159 | 4963 if (parameters) |
| 4964 { // First parameter is already output, so start with second | |
| 4965 for (int i = 1; i < parameters->dim; i++) | |
| 4966 { | |
| 4967 buf->writeByte(','); | |
| 4968 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4969 tp->toCBuffer(buf, hgs); | |
| 4970 } | |
| 4971 } | |
| 4972 #endif | |
| 4973 buf->writeByte(')'); | |
| 4974 } | |
| 4975 | |
| 4976 | |
| 4977 /************************************************************/ | |
| 4978 | |
| 4979 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4980 : Expression(loc, op, size) | |
| 4981 { | |
| 4982 this->e1 = e1; | |
| 4983 } | |
| 4984 | |
| 4985 Expression *UnaExp::syntaxCopy() | |
| 4986 { UnaExp *e; | |
| 4987 | |
| 4988 e = (UnaExp *)copy(); | |
| 4989 e->type = NULL; | |
| 4990 e->e1 = e->e1->syntaxCopy(); | |
| 4991 return e; | |
| 4992 } | |
| 4993 | |
| 4994 Expression *UnaExp::semantic(Scope *sc) | |
| 4995 { | |
| 4996 #if LOGSEMANTIC | |
| 4997 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4998 #endif | |
| 4999 e1 = e1->semantic(sc); | |
| 5000 // if (!e1->type) | |
| 5001 // error("%s has no value", e1->toChars()); | |
| 5002 return this; | |
| 5003 } | |
| 5004 | |
|
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Merged DMD 1.038
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diff
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|
5005 #if DMDV2 |
|
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changeset
|
5006 int UnaExp::canThrow() |
|
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Merged DMD 1.038
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parents:
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diff
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|
5007 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5008 return e1->canThrow(); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5009 } |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
5010 #endif |
|
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846
diff
changeset
|
5011 |
| 159 | 5012 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5013 { | |
| 5014 buf->writestring(Token::toChars(op)); | |
| 5015 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5016 } | |
| 5017 | |
| 5018 /************************************************************/ | |
| 5019 | |
| 5020 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 5021 : Expression(loc, op, size) | |
| 5022 { | |
| 5023 this->e1 = e1; | |
| 5024 this->e2 = e2; | |
| 5025 } | |
| 5026 | |
| 5027 Expression *BinExp::syntaxCopy() | |
| 5028 { BinExp *e; | |
| 5029 | |
| 5030 e = (BinExp *)copy(); | |
| 5031 e->type = NULL; | |
| 5032 e->e1 = e->e1->syntaxCopy(); | |
| 5033 e->e2 = e->e2->syntaxCopy(); | |
| 5034 return e; | |
| 5035 } | |
| 5036 | |
| 5037 Expression *BinExp::semantic(Scope *sc) | |
| 5038 { | |
| 5039 #if LOGSEMANTIC | |
| 5040 printf("BinExp::semantic('%s')\n", toChars()); | |
| 5041 #endif | |
| 5042 e1 = e1->semantic(sc); | |
|
717
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Merged DMD 1.036.
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diff
changeset
|
5043 if (!e1->type && |
|
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Merged DMD 1.036.
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parents:
664
diff
changeset
|
5044 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 5045 { |
| 5046 error("%s has no value", e1->toChars()); | |
| 5047 e1->type = Type::terror; | |
| 5048 } | |
| 5049 e2 = e2->semantic(sc); | |
| 5050 if (!e2->type) | |
| 5051 { | |
| 5052 error("%s has no value", e2->toChars()); | |
| 5053 e2->type = Type::terror; | |
| 5054 } | |
| 5055 return this; | |
| 5056 } | |
| 5057 | |
| 5058 Expression *BinExp::semanticp(Scope *sc) | |
| 5059 { | |
| 5060 BinExp::semantic(sc); | |
| 5061 e1 = resolveProperties(sc, e1); | |
| 5062 e2 = resolveProperties(sc, e2); | |
| 5063 return this; | |
| 5064 } | |
| 5065 | |
| 5066 /*************************** | |
| 5067 * Common semantic routine for some xxxAssignExp's. | |
| 5068 */ | |
| 5069 | |
| 5070 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 5071 { Expression *e; | |
| 5072 | |
| 5073 if (!type) | |
| 5074 { | |
| 5075 BinExp::semantic(sc); | |
| 5076 e2 = resolveProperties(sc, e2); | |
| 5077 | |
| 5078 e = op_overload(sc); | |
| 5079 if (e) | |
| 5080 return e; | |
| 5081 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5082 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5083 { // T[] op= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5084 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5085 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5086 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5087 } |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5088 |
| 159 | 5089 e1 = e1->modifiableLvalue(sc, e1); |
| 5090 e1->checkScalar(); | |
| 5091 type = e1->type; | |
| 5092 if (type->toBasetype()->ty == Tbool) | |
| 5093 { | |
| 5094 error("operator not allowed on bool expression %s", toChars()); | |
| 5095 } | |
| 5096 typeCombine(sc); | |
| 5097 e1->checkArithmetic(); | |
| 5098 e2->checkArithmetic(); | |
| 5099 | |
| 5100 if (op == TOKmodass && e2->type->iscomplex()) | |
| 5101 { error("cannot perform modulo complex arithmetic"); | |
| 1587 | 5102 return new ErrorExp(); |
| 159 | 5103 } |
| 5104 } | |
| 5105 return this; | |
| 5106 } | |
| 5107 | |
| 5108 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 5109 { Expression *e; | |
| 5110 | |
| 5111 if (!type) | |
| 5112 { | |
| 5113 BinExp::semantic(sc); | |
| 5114 e2 = resolveProperties(sc, e2); | |
| 5115 | |
| 5116 e = op_overload(sc); | |
| 5117 if (e) | |
| 5118 return e; | |
| 5119 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5120 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5121 { // T[] op= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5122 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5123 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5124 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5125 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5126 |
| 159 | 5127 e1 = e1->modifiableLvalue(sc, e1); |
| 5128 e1->checkScalar(); | |
| 5129 type = e1->type; | |
| 5130 if (type->toBasetype()->ty == Tbool) | |
| 5131 { | |
| 5132 e2 = e2->implicitCastTo(sc, type); | |
| 5133 } | |
| 5134 | |
| 5135 typeCombine(sc); | |
| 5136 e1->checkIntegral(); | |
| 5137 e2->checkIntegral(); | |
| 5138 } | |
| 5139 return this; | |
| 5140 } | |
| 5141 | |
| 5142 int BinExp::checkSideEffect(int flag) | |
| 5143 { | |
| 5144 if (op == TOKplusplus || | |
| 5145 op == TOKminusminus || | |
| 5146 op == TOKassign || | |
| 5147 op == TOKconstruct || | |
| 5148 op == TOKblit || | |
| 5149 op == TOKaddass || | |
| 5150 op == TOKminass || | |
| 5151 op == TOKcatass || | |
| 5152 op == TOKmulass || | |
| 5153 op == TOKdivass || | |
| 5154 op == TOKmodass || | |
| 5155 op == TOKshlass || | |
| 5156 op == TOKshrass || | |
| 5157 op == TOKushrass || | |
| 5158 op == TOKandass || | |
| 5159 op == TOKorass || | |
| 5160 op == TOKxorass || | |
| 5161 op == TOKin || | |
| 5162 op == TOKremove) | |
| 5163 return 1; | |
| 5164 return Expression::checkSideEffect(flag); | |
| 5165 } | |
| 5166 | |
| 1587 | 5167 // generate an error if this is a nonsensical *=,/=, or %=, eg real *= imaginary |
| 5168 void BinExp::checkComplexMulAssign() | |
| 5169 { | |
| 5170 // Any multiplication by an imaginary or complex number yields a complex result. | |
| 5171 // r *= c, i*=c, r*=i, i*=i are all forbidden operations. | |
| 5172 const char *opstr = Token::toChars(op); | |
| 5173 if ( e1->type->isreal() && e2->type->iscomplex()) | |
| 5174 { | |
| 5175 error("%s %s %s is undefined. Did you mean %s %s %s.re ?", | |
| 5176 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5177 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5178 } | |
| 5179 else if (e1->type->isimaginary() && e2->type->iscomplex()) | |
| 5180 { | |
| 5181 error("%s %s %s is undefined. Did you mean %s %s %s.im ?", | |
| 5182 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5183 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5184 } | |
| 5185 else if ((e1->type->isreal() || e1->type->isimaginary()) && | |
| 5186 e2->type->isimaginary()) | |
| 5187 { | |
| 5188 error("%s %s %s is an undefined operation", e1->type->toChars(), | |
| 5189 opstr, e2->type->toChars()); | |
| 5190 } | |
| 5191 } | |
| 5192 | |
| 5193 // generate an error if this is a nonsensical += or -=, eg real += imaginary | |
| 5194 void BinExp::checkComplexAddAssign() | |
| 5195 { | |
| 5196 // Addition or subtraction of a real and an imaginary is a complex result. | |
| 5197 // Thus, r+=i, r+=c, i+=r, i+=c are all forbidden operations. | |
| 5198 if ( (e1->type->isreal() && (e2->type->isimaginary() || e2->type->iscomplex())) || | |
| 5199 (e1->type->isimaginary() && (e2->type->isreal() || e2->type->iscomplex())) | |
| 5200 ) | |
| 5201 { | |
| 5202 error("%s %s %s is undefined (result is complex)", | |
| 5203 e1->type->toChars(), Token::toChars(op), e2->type->toChars()); | |
| 5204 } | |
| 5205 } | |
| 5206 | |
| 159 | 5207 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5208 { | |
| 5209 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5210 buf->writeByte(' '); | |
| 5211 buf->writestring(Token::toChars(op)); | |
| 5212 buf->writeByte(' '); | |
| 5213 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5214 } | |
| 5215 | |
| 5216 int BinExp::isunsigned() | |
| 5217 { | |
| 5218 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5219 } | |
| 5220 | |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5221 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5222 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5223 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5224 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5225 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5226 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5227 |
| 159 | 5228 void BinExp::incompatibleTypes() |
| 5229 { | |
| 5230 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5231 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5232 e1->type->toChars(), e2->type->toChars()); | |
| 5233 } | |
| 5234 | |
| 5235 /************************************************************/ | |
| 5236 | |
| 5237 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5238 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5239 { | |
| 5240 } | |
| 5241 | |
| 5242 Expression *CompileExp::semantic(Scope *sc) | |
| 5243 { | |
| 5244 #if LOGSEMANTIC | |
| 5245 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5246 #endif | |
| 5247 UnaExp::semantic(sc); | |
| 5248 e1 = resolveProperties(sc, e1); | |
| 5249 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5250 if (e1->op != TOKstring) | |
| 5251 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5252 type = Type::terror; | |
| 5253 return this; | |
| 5254 } | |
| 5255 StringExp *se = (StringExp *)e1; | |
| 5256 se = se->toUTF8(sc); | |
| 5257 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5258 p.loc = loc; | |
| 5259 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5260 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5261 Expression *e = p.parseExpression(); |
| 5262 if (p.token.value != TOKeof) | |
| 5263 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5264 return e->semantic(sc); | |
| 5265 } | |
| 5266 | |
| 5267 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5268 { | |
| 5269 buf->writestring("mixin("); | |
| 5270 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5271 buf->writeByte(')'); | |
| 5272 } | |
| 5273 | |
| 5274 /************************************************************/ | |
| 5275 | |
| 5276 FileExp::FileExp(Loc loc, Expression *e) | |
| 5277 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5278 { | |
| 5279 } | |
| 5280 | |
| 5281 Expression *FileExp::semantic(Scope *sc) | |
| 5282 { char *name; | |
| 5283 StringExp *se; | |
| 5284 | |
| 5285 #if LOGSEMANTIC | |
| 5286 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5287 #endif | |
| 5288 UnaExp::semantic(sc); | |
| 5289 e1 = resolveProperties(sc, e1); | |
| 5290 e1 = e1->optimize(WANTvalue); | |
| 5291 if (e1->op != TOKstring) | |
| 5292 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5293 goto Lerror; | |
| 5294 } | |
| 5295 se = (StringExp *)e1; | |
| 5296 se = se->toUTF8(sc); | |
| 5297 name = (char *)se->string; | |
| 5298 | |
| 5299 if (!global.params.fileImppath) | |
| 5300 { error("need -Jpath switch to import text file %s", name); | |
| 5301 goto Lerror; | |
| 5302 } | |
| 5303 | |
| 1640 | 5304 /* Be wary of CWE-22: Improper Limitation of a Pathname to a Restricted Directory |
| 5305 * ('Path Traversal') attacks. | |
| 5306 * http://cwe.mitre.org/data/definitions/22.html | |
| 5307 */ | |
| 5308 | |
| 5309 name = FileName::safeSearchPath(global.filePath, name); | |
| 159 | 5310 if (!name) |
| 1640 | 5311 { error("file %s cannot be found or not in a path specified with -J", se->toChars()); |
| 159 | 5312 goto Lerror; |
| 5313 } | |
| 5314 | |
| 5315 if (global.params.verbose) | |
| 1587 | 5316 printf("file %s\t(%s)\n", (char *)se->string, name); |
| 159 | 5317 |
| 5318 { File f(name); | |
| 5319 if (f.read()) | |
| 5320 { error("cannot read file %s", f.toChars()); | |
| 5321 goto Lerror; | |
| 5322 } | |
| 5323 else | |
| 5324 { | |
| 5325 f.ref = 1; | |
| 5326 se = new StringExp(loc, f.buffer, f.len); | |
| 5327 } | |
| 5328 } | |
| 5329 Lret: | |
| 5330 return se->semantic(sc); | |
| 5331 | |
| 5332 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5333 se = new StringExp(loc, (char *)""); |
| 159 | 5334 goto Lret; |
| 5335 } | |
| 5336 | |
| 5337 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5338 { | |
| 5339 buf->writestring("import("); | |
| 5340 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5341 buf->writeByte(')'); | |
| 5342 } | |
| 5343 | |
| 5344 /************************************************************/ | |
| 5345 | |
| 5346 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5347 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5348 { | |
| 5349 this->msg = msg; | |
| 5350 } | |
| 5351 | |
| 5352 Expression *AssertExp::syntaxCopy() | |
| 5353 { | |
| 5354 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5355 msg ? msg->syntaxCopy() : NULL); | |
| 5356 return ae; | |
| 5357 } | |
| 5358 | |
| 5359 Expression *AssertExp::semantic(Scope *sc) | |
| 5360 { | |
| 5361 #if LOGSEMANTIC | |
| 5362 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5363 #endif | |
| 5364 UnaExp::semantic(sc); | |
| 5365 e1 = resolveProperties(sc, e1); | |
| 5366 // BUG: see if we can do compile time elimination of the Assert | |
| 5367 e1 = e1->optimize(WANTvalue); | |
| 5368 e1 = e1->checkToBoolean(); | |
| 5369 if (msg) | |
| 5370 { | |
| 5371 msg = msg->semantic(sc); | |
| 5372 msg = resolveProperties(sc, msg); | |
| 5373 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5374 msg = msg->optimize(WANTvalue); | |
| 5375 } | |
| 5376 if (e1->isBool(FALSE)) | |
| 5377 { | |
| 5378 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5379 fd->hasReturnExp |= 4; | |
| 5380 | |
| 5381 if (!global.params.useAssert) | |
| 5382 { Expression *e = new HaltExp(loc); | |
| 5383 e = e->semantic(sc); | |
| 5384 return e; | |
| 5385 } | |
| 5386 } | |
| 5387 type = Type::tvoid; | |
| 5388 return this; | |
| 5389 } | |
| 5390 | |
| 5391 int AssertExp::checkSideEffect(int flag) | |
| 5392 { | |
| 5393 return 1; | |
| 5394 } | |
| 5395 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
5396 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5397 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5398 { |
| 1587 | 5399 /* assert()s are non-recoverable errors, so functions that |
| 5400 * use them can be considered "nothrow" | |
| 5401 */ | |
| 5402 return 0; //(global.params.useAssert != 0); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
5403 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5404 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5405 |
| 159 | 5406 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5407 { | |
| 5408 buf->writestring("assert("); | |
| 5409 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5410 if (msg) | |
| 5411 { | |
| 5412 buf->writeByte(','); | |
| 5413 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5414 } | |
| 5415 buf->writeByte(')'); | |
| 5416 } | |
| 5417 | |
| 5418 /************************************************************/ | |
| 5419 | |
| 5420 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5421 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5422 { | |
| 5423 this->ident = ident; | |
| 5424 } | |
| 5425 | |
| 5426 Expression *DotIdExp::semantic(Scope *sc) | |
| 5427 { Expression *e; | |
| 5428 Expression *eleft; | |
| 5429 Expression *eright; | |
| 5430 | |
| 5431 #if LOGSEMANTIC | |
| 5432 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5433 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5434 #endif | |
| 5435 | |
| 5436 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5437 | |
| 5438 #if 0 | |
| 5439 /* Don't do semantic analysis if we'll be converting | |
| 5440 * it to a string. | |
| 5441 */ | |
| 5442 if (ident == Id::stringof) | |
| 5443 { char *s = e1->toChars(); | |
| 5444 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5445 e = e->semantic(sc); | |
| 5446 return e; | |
| 5447 } | |
| 5448 #endif | |
| 5449 | |
| 5450 /* Special case: rewrite this.id and super.id | |
| 5451 * to be classtype.id and baseclasstype.id | |
| 5452 * if we have no this pointer. | |
| 5453 */ | |
| 5454 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5455 { ClassDeclaration *cd; | |
| 5456 StructDeclaration *sd; | |
| 5457 AggregateDeclaration *ad; | |
| 5458 | |
| 5459 ad = sc->getStructClassScope(); | |
| 5460 if (ad) | |
| 5461 { | |
| 5462 cd = ad->isClassDeclaration(); | |
| 5463 if (cd) | |
| 5464 { | |
| 5465 if (e1->op == TOKthis) | |
| 5466 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5467 e = typeDotIdExp(loc, cd->type, ident); |
| 159 | 5468 return e->semantic(sc); |
| 5469 } | |
| 5470 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5471 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5472 e = typeDotIdExp(loc, cd->baseClass->type, ident); |
| 159 | 5473 return e->semantic(sc); |
| 5474 } | |
| 5475 } | |
| 5476 else | |
| 5477 { | |
| 5478 sd = ad->isStructDeclaration(); | |
| 5479 if (sd) | |
| 5480 { | |
| 5481 if (e1->op == TOKthis) | |
| 5482 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5483 e = typeDotIdExp(loc, sd->type, ident); |
| 159 | 5484 return e->semantic(sc); |
| 5485 } | |
| 5486 } | |
| 5487 } | |
| 5488 } | |
| 5489 } | |
| 5490 | |
| 5491 UnaExp::semantic(sc); | |
| 5492 | |
| 5493 if (e1->op == TOKdotexp) | |
| 5494 { | |
| 5495 DotExp *de = (DotExp *)e1; | |
| 5496 eleft = de->e1; | |
| 5497 eright = de->e2; | |
| 5498 } | |
| 5499 else | |
| 5500 { | |
| 5501 e1 = resolveProperties(sc, e1); | |
| 5502 eleft = NULL; | |
| 5503 eright = e1; | |
| 5504 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5505 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5506 if (e1->op == TOKtuple && ident == Id::offsetof) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5507 { /* 'distribute' the .offsetof to each of the tuple elements. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5508 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5509 TupleExp *te = (TupleExp *)e1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5510 Expressions *exps = new Expressions(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5511 exps->setDim(te->exps->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5512 for (int i = 0; i < exps->dim; i++) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
5513 { Expression *e = (Expression *)te->exps->data[i]; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5514 e = e->semantic(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5515 e = new DotIdExp(e->loc, e, Id::offsetof); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5516 exps->data[i] = (void *)e; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5517 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5518 e = new TupleExp(loc, exps); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5519 e = e->semantic(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5520 return e; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5521 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5522 #endif |
| 159 | 5523 |
| 5524 if (e1->op == TOKtuple && ident == Id::length) | |
| 5525 { | |
| 5526 TupleExp *te = (TupleExp *)e1; | |
| 5527 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5528 return e; | |
| 5529 } | |
| 5530 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5531 if (e1->op == TOKdottd) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5532 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5533 error("template %s does not have property %s", e1->toChars(), ident->toChars()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5534 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5535 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5536 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5537 if (!e1->type) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5538 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5539 error("expression %s does not have property %s", e1->toChars(), ident->toChars()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5540 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5541 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5542 |
| 159 | 5543 if (eright->op == TOKimport) // also used for template alias's |
| 5544 { | |
| 5545 ScopeExp *ie = (ScopeExp *)eright; | |
| 5546 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5547 /* Disable access to another module's private imports. |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5548 * The check for 'is sds our current module' is because |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5549 * the current module should have access to its own imports. |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5550 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5551 Dsymbol *s = ie->sds->search(loc, ident, |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5552 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5553 if (s) |
| 5554 { | |
| 5555 s = s->toAlias(); | |
| 5556 checkDeprecated(sc, s); | |
| 5557 | |
| 5558 EnumMember *em = s->isEnumMember(); | |
| 5559 if (em) | |
| 5560 { | |
| 5561 e = em->value; | |
| 5562 e = e->semantic(sc); | |
| 5563 return e; | |
| 5564 } | |
| 5565 | |
| 5566 VarDeclaration *v = s->isVarDeclaration(); | |
| 5567 if (v) | |
| 5568 { | |
| 5569 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5570 if (v->inuse) | |
| 5571 { | |
| 5572 error("circular reference to '%s'", v->toChars()); | |
| 5573 type = Type::tint32; | |
| 5574 return this; | |
| 5575 } | |
| 5576 type = v->type; | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
5577 if (v->isSameAsInitializer()) |
| 159 | 5578 { |
| 5579 if (v->init) | |
| 5580 { | |
| 5581 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5582 if (ei) | |
| 5583 { | |
| 5584 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5585 //ei->exp = ei->exp->semantic(sc); | |
| 5586 if (ei->exp->type == type) | |
| 5587 { | |
| 5588 e = ei->exp->copy(); // make copy so we can change loc | |
| 5589 e->loc = loc; | |
| 5590 return e; | |
| 5591 } | |
| 5592 } | |
| 5593 } | |
| 5594 else if (type->isscalar()) | |
| 5595 { | |
| 5596 e = type->defaultInit(); | |
| 5597 e->loc = loc; | |
| 5598 return e; | |
| 5599 } | |
| 5600 } | |
| 5601 if (v->needThis()) | |
| 5602 { | |
| 5603 if (!eleft) | |
| 5604 eleft = new ThisExp(loc); | |
| 5605 e = new DotVarExp(loc, eleft, v); | |
| 5606 e = e->semantic(sc); | |
| 5607 } | |
| 5608 else | |
| 5609 { | |
| 5610 e = new VarExp(loc, v); | |
| 5611 if (eleft) | |
| 5612 { e = new CommaExp(loc, eleft, e); | |
| 5613 e->type = v->type; | |
| 5614 } | |
| 5615 } | |
| 5616 return e->deref(); | |
| 5617 } | |
| 5618 | |
| 5619 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5620 if (f) | |
| 5621 { | |
| 5622 //printf("it's a function\n"); | |
| 5623 if (f->needThis()) | |
| 5624 { | |
| 5625 if (!eleft) | |
| 5626 eleft = new ThisExp(loc); | |
| 5627 e = new DotVarExp(loc, eleft, f); | |
| 5628 e = e->semantic(sc); | |
| 5629 } | |
| 5630 else | |
| 5631 { | |
| 5632 e = new VarExp(loc, f); | |
| 5633 if (eleft) | |
| 5634 { e = new CommaExp(loc, eleft, e); | |
| 5635 e->type = f->type; | |
| 5636 } | |
| 5637 } | |
| 5638 return e; | |
| 5639 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5640 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5641 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5642 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5643 { //printf("'%s' is an overload set\n", o->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5644 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5645 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5646 #endif |
| 159 | 5647 |
| 5648 Type *t = s->getType(); | |
| 5649 if (t) | |
| 5650 { | |
| 5651 return new TypeExp(loc, t); | |
| 5652 } | |
| 5653 | |
| 336 | 5654 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5655 if (tup) | |
| 5656 { | |
| 5657 if (eleft) | |
| 5658 error("cannot have e.tuple"); | |
| 5659 e = new TupleExp(loc, tup); | |
| 5660 e = e->semantic(sc); | |
| 5661 return e; | |
| 5662 } | |
| 5663 | |
| 159 | 5664 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5665 if (sds) | |
| 5666 { | |
| 5667 //printf("it's a ScopeDsymbol\n"); | |
| 5668 e = new ScopeExp(loc, sds); | |
| 5669 e = e->semantic(sc); | |
| 5670 if (eleft) | |
| 5671 e = new DotExp(loc, eleft, e); | |
| 5672 return e; | |
| 5673 } | |
| 5674 | |
| 5675 Import *imp = s->isImport(); | |
| 5676 if (imp) | |
| 5677 { | |
| 5678 ScopeExp *ie; | |
| 5679 | |
| 5680 ie = new ScopeExp(loc, imp->pkg); | |
| 5681 return ie->semantic(sc); | |
| 5682 } | |
| 5683 | |
| 5684 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5685 #ifdef DEBUG | |
| 5686 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5687 #endif | |
| 5688 assert(0); | |
| 5689 } | |
| 5690 else if (ident == Id::stringof) | |
| 5691 { char *s = ie->toChars(); | |
| 5692 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5693 e = e->semantic(sc); | |
| 5694 return e; | |
| 5695 } | |
| 5696 error("undefined identifier %s", toChars()); | |
| 5697 type = Type::tvoid; | |
| 5698 return this; | |
| 5699 } | |
| 5700 else if (e1->type->ty == Tpointer && | |
| 5701 ident != Id::init && ident != Id::__sizeof && | |
| 5702 ident != Id::alignof && ident != Id::offsetof && | |
| 5703 ident != Id::mangleof && ident != Id::stringof) | |
| 1587 | 5704 { /* Rewrite: |
| 5705 * p.ident | |
| 5706 * as: | |
| 5707 * (*p).ident | |
| 5708 */ | |
| 159 | 5709 e = new PtrExp(loc, e1); |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5710 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5711 return e->type->dotExp(sc, e, ident); |
| 5712 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5713 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5714 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5715 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5716 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5717 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5718 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5719 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5720 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5721 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5722 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5723 global.gag++; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5724 Type *t1 = e1->type; |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5725 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5726 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5727 if (errors != global.errors) // if failed to find the property |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5728 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5729 global.errors = errors; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5730 e1->type = t1; // kludge to restore type |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5731 e = new DotIdExp(loc, new IdentifierExp(loc, Id::empty), ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5732 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5733 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5734 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5735 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5736 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5737 #endif |
| 159 | 5738 else |
| 5739 { | |
| 5740 e = e1->type->dotExp(sc, e1, ident); | |
| 5741 e = e->semantic(sc); | |
| 5742 return e; | |
| 5743 } | |
| 5744 } | |
| 5745 | |
| 5746 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5747 { | |
| 5748 //printf("DotIdExp::toCBuffer()\n"); | |
| 5749 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5750 buf->writeByte('.'); | |
| 5751 buf->writestring(ident->toChars()); | |
| 5752 } | |
| 5753 | |
| 5754 /********************** DotTemplateExp ***********************************/ | |
| 5755 | |
| 5756 // Mainly just a placeholder | |
| 5757 | |
| 5758 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5759 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5760 | |
| 5761 { | |
| 5762 this->td = td; | |
| 5763 } | |
| 5764 | |
| 5765 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5766 { | |
| 5767 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5768 buf->writeByte('.'); | |
| 5769 buf->writestring(td->toChars()); | |
| 5770 } | |
| 5771 | |
| 5772 | |
| 5773 /************************************************************/ | |
| 5774 | |
| 5775 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5776 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5777 { | |
| 5778 //printf("DotVarExp()\n"); | |
| 5779 this->var = v; | |
| 5780 } | |
| 5781 | |
| 5782 Expression *DotVarExp::semantic(Scope *sc) | |
| 5783 { | |
| 5784 #if LOGSEMANTIC | |
| 5785 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5786 #endif | |
| 5787 if (!type) | |
| 5788 { | |
| 5789 var = var->toAlias()->isDeclaration(); | |
| 5790 | |
| 5791 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5792 if (tup) | |
| 5793 { /* Replace: | |
| 5794 * e1.tuple(a, b, c) | |
| 5795 * with: | |
| 5796 * tuple(e1.a, e1.b, e1.c) | |
| 5797 */ | |
| 5798 Expressions *exps = new Expressions; | |
| 5799 | |
| 5800 exps->reserve(tup->objects->dim); | |
| 5801 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5802 { Object *o = (Object *)tup->objects->data[i]; | |
| 5803 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5804 { | |
| 5805 error("%s is not an expression", o->toChars()); | |
| 5806 } | |
| 5807 else | |
| 5808 { | |
| 5809 Expression *e = (Expression *)o; | |
| 5810 if (e->op != TOKdsymbol) | |
| 5811 error("%s is not a member", e->toChars()); | |
| 5812 else | |
| 5813 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5814 | |
| 5815 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5816 exps->push(e); | |
| 5817 } | |
| 5818 } | |
| 5819 } | |
| 5820 Expression *e = new TupleExp(loc, exps); | |
| 5821 e = e->semantic(sc); | |
| 5822 return e; | |
| 5823 } | |
| 5824 | |
| 5825 e1 = e1->semantic(sc); | |
| 5826 type = var->type; | |
| 5827 if (!type && global.errors) | |
| 5828 { // var is goofed up, just return 0 | |
| 1587 | 5829 return new ErrorExp(); |
| 159 | 5830 } |
| 5831 assert(type); | |
| 5832 | |
| 5833 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5834 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5835 Dsymbol *vparent = var->toParent(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5836 AggregateDeclaration *ad = vparent ? vparent->isAggregateDeclaration() : NULL; |
| 336 | 5837 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5838 if (!sc->noaccesscheck) | |
| 5839 accessCheck(loc, sc, e1, var); | |
| 5840 | |
| 5841 VarDeclaration *v = var->isVarDeclaration(); | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
5842 if (v && v->isSameAsInitializer()) |
| 336 | 5843 { ExpInitializer *ei = v->getExpInitializer(); |
| 5844 if (ei) | |
| 5845 { Expression *e = ei->exp->copy(); | |
| 5846 e = e->semantic(sc); | |
| 5847 return e; | |
| 159 | 5848 } |
| 1640 | 5849 if (v->init) |
| 5850 { Expression *e = v->init->toExpression(); | |
| 5851 if (e) | |
| 5852 { e = e->copy(); | |
| 5853 e = e->semantic(sc); | |
| 5854 return e; | |
| 5855 } | |
| 5856 } | |
| 159 | 5857 } |
| 5858 } | |
| 5859 } | |
| 5860 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5861 return this; | |
| 5862 } | |
| 5863 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5864 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5865 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5866 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5867 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5868 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5869 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5870 |
| 159 | 5871 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5872 { | |
| 5873 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5874 return this; | |
| 5875 } | |
| 5876 | |
| 5877 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5878 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5879 #if 0 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5880 printf("DotVarExp::modifiableLvalue(%s)\n", toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5881 printf("e1->type = %s\n", e1->type->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5882 printf("var->type = %s\n", var->type->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5883 #endif |
| 159 | 5884 |
| 5885 if (var->isCtorinit()) | |
| 5886 { // It's only modifiable if inside the right constructor | |
| 5887 Dsymbol *s = sc->func; | |
| 5888 while (1) | |
| 5889 { | |
| 5890 FuncDeclaration *fd = NULL; | |
| 5891 if (s) | |
| 5892 fd = s->isFuncDeclaration(); | |
| 5893 if (fd && | |
| 5894 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5895 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5896 fd->toParent() == var->toParent() && | |
| 5897 e1->op == TOKthis | |
| 5898 ) | |
| 5899 { | |
| 5900 VarDeclaration *v = var->isVarDeclaration(); | |
| 5901 assert(v); | |
| 5902 v->ctorinit = 1; | |
| 5903 //printf("setting ctorinit\n"); | |
| 5904 } | |
| 5905 else | |
| 5906 { | |
| 5907 if (s) | |
| 5908 { s = s->toParent2(); | |
| 5909 continue; | |
| 5910 } | |
| 5911 else | |
| 5912 { | |
| 5913 const char *p = var->isStatic() ? "static " : ""; | |
| 5914 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5915 p, var->toChars(), p); | |
| 5916 } | |
| 5917 } | |
| 5918 break; | |
| 5919 } | |
| 5920 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5921 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5922 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5923 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5924 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5925 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5926 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5927 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5928 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5929 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5930 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5931 ) |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5932 error("cannot modify const/immutable expression %s", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5933 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5934 #endif |
| 159 | 5935 return this; |
| 5936 } | |
| 5937 | |
| 5938 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5939 { | |
| 5940 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5941 buf->writeByte('.'); | |
| 5942 buf->writestring(var->toChars()); | |
| 5943 } | |
| 5944 | |
| 5945 /************************************************************/ | |
| 5946 | |
| 5947 /* Things like: | |
| 5948 * foo.bar!(args) | |
| 5949 */ | |
| 5950 | |
| 5951 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5952 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5953 { | |
| 5954 //printf("DotTemplateInstanceExp()\n"); | |
| 5955 this->ti = ti; | |
| 5956 } | |
| 5957 | |
| 5958 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5959 { | |
| 5960 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5961 e1->syntaxCopy(), | |
| 5962 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5963 return de; | |
| 5964 } | |
| 5965 | |
| 5966 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5967 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5968 #if 1 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5969 #if LOGSEMANTIC |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5970 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5971 #endif |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5972 Expression *eleft; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5973 Expression *e = new DotIdExp(loc, e1, ti->name); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5974 L1: |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5975 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5976 if (e->op == TOKdottd) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5977 { |
| 1640 | 5978 if (global.errors) |
| 5979 return new ErrorExp(); // TemplateInstance::semantic() will fail anyway | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5980 DotTemplateExp *dte = (DotTemplateExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5981 TemplateDeclaration *td = dte->td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5982 eleft = dte->e1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5983 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5984 ti->semantic(sc); |
| 1640 | 5985 if (!ti->inst) // if template failed to expand |
| 5986 return new ErrorExp(); | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5987 Dsymbol *s = ti->inst->toAlias(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5988 Declaration *v = s->isDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5989 if (v) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5990 { e = new DotVarExp(loc, eleft, v); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5991 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5992 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5993 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5994 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5995 e = new DotExp(loc, eleft, e); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5996 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5997 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5998 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5999 else if (e->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6000 { ScopeExp *se = (ScopeExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6001 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6002 if (!td) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6003 { error("%s is not a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6004 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6005 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6006 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6007 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6008 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6009 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6010 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6011 else if (e->op == TOKdotexp) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6012 { DotExp *de = (DotExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6013 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6014 if (de->e2->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6015 { // This should *really* be moved to ScopeExp::semantic() |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6016 ScopeExp *se = (ScopeExp *)de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6017 de->e2 = new DsymbolExp(loc, se->sds); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6018 de->e2 = de->e2->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6019 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6020 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6021 if (de->e2->op == TOKtemplate) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6022 { TemplateExp *te = (TemplateExp *) de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6023 e = new DotTemplateExp(loc,de->e1,te->td); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6024 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6025 goto L1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6026 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6027 error("%s isn't a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6028 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6029 #else |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6030 Dsymbol *s; |
| 159 | 6031 Dsymbol *s2; |
| 6032 TemplateDeclaration *td; | |
| 6033 Expression *e; | |
| 6034 Identifier *id; | |
| 6035 Type *t1; | |
| 6036 Expression *eleft = NULL; | |
| 6037 Expression *eright; | |
| 6038 | |
| 6039 #if LOGSEMANTIC | |
| 6040 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 6041 #endif | |
| 6042 //e1->print(); | |
| 6043 //print(); | |
| 6044 e1 = e1->semantic(sc); | |
| 6045 t1 = e1->type; | |
| 6046 if (t1) | |
| 6047 t1 = t1->toBasetype(); | |
| 6048 //t1->print(); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6049 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6050 /* Extract the following from e1: |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6051 * s: the symbol which ti should be a member of |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6052 * eleft: if not NULL, it is the 'this' pointer for ti |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6053 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6054 |
| 159 | 6055 if (e1->op == TOKdotexp) |
| 6056 { DotExp *de = (DotExp *)e1; | |
| 6057 eleft = de->e1; | |
| 6058 eright = de->e2; | |
| 6059 } | |
| 6060 else | |
| 6061 { eleft = NULL; | |
| 6062 eright = e1; | |
| 6063 } | |
| 6064 if (eright->op == TOKimport) | |
| 6065 { | |
| 6066 s = ((ScopeExp *)eright)->sds; | |
| 6067 } | |
| 6068 else if (e1->op == TOKtype) | |
| 6069 { | |
| 6070 s = t1->isClassHandle(); | |
| 6071 if (!s) | |
| 6072 { if (t1->ty == Tstruct) | |
| 6073 s = ((TypeStruct *)t1)->sym; | |
| 6074 else | |
| 6075 goto L1; | |
| 6076 } | |
| 6077 } | |
| 6078 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 6079 { | |
| 6080 s = t1->toDsymbol(sc); | |
| 6081 eleft = e1; | |
| 6082 } | |
| 6083 else if (t1 && t1->ty == Tpointer) | |
| 6084 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6085 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 6086 if (t1->ty != Tstruct) |
| 6087 goto L1; | |
| 6088 s = t1->toDsymbol(sc); | |
| 6089 eleft = e1; | |
| 6090 } | |
| 6091 else | |
| 6092 { | |
| 6093 L1: | |
| 6094 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 6095 goto Lerr; | |
| 6096 } | |
| 6097 | |
| 6098 assert(s); | |
| 6099 id = ti->name; | |
| 6100 s2 = s->search(loc, id, 0); | |
| 6101 if (!s2) | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6102 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6103 if (!s->ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6104 error("template identifier %s is not a member of undefined %s", id->toChars(), s->kind()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6105 else |
|
1258
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
6106 error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); |
| 159 | 6107 goto Lerr; |
| 6108 } | |
| 6109 s = s2; | |
| 6110 s->semantic(sc); | |
| 6111 s = s->toAlias(); | |
| 6112 td = s->isTemplateDeclaration(); | |
| 6113 if (!td) | |
| 6114 { | |
| 6115 error("%s is not a template", id->toChars()); | |
| 6116 goto Lerr; | |
| 6117 } | |
| 6118 if (global.errors) | |
| 6119 goto Lerr; | |
| 6120 | |
| 6121 ti->tempdecl = td; | |
| 6122 | |
| 6123 if (eleft) | |
| 6124 { Declaration *v; | |
| 6125 | |
| 6126 ti->semantic(sc); | |
| 6127 s = ti->inst->toAlias(); | |
| 6128 v = s->isDeclaration(); | |
| 6129 if (v) | |
| 6130 { e = new DotVarExp(loc, eleft, v); | |
| 6131 e = e->semantic(sc); | |
| 6132 return e; | |
| 6133 } | |
| 6134 } | |
| 6135 | |
| 6136 e = new ScopeExp(loc, ti); | |
| 6137 if (eleft) | |
| 6138 { | |
| 6139 e = new DotExp(loc, eleft, e); | |
| 6140 } | |
| 6141 e = e->semantic(sc); | |
| 6142 return e; | |
| 6143 | |
| 6144 Lerr: | |
| 336 | 6145 return new IntegerExp(loc, 0, Type::tint32); |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6146 #endif |
| 159 | 6147 } |
| 6148 | |
| 6149 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6150 { | |
| 6151 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6152 buf->writeByte('.'); | |
| 6153 ti->toCBuffer(buf, hgs); | |
| 6154 } | |
| 6155 | |
| 6156 /************************************************************/ | |
| 6157 | |
| 6158 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 6159 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 6160 { | |
| 6161 this->func = f; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6162 m = NULL; |
| 159 | 6163 } |
| 6164 | |
| 6165 Expression *DelegateExp::semantic(Scope *sc) | |
| 6166 { | |
| 6167 #if LOGSEMANTIC | |
| 6168 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 6169 #endif | |
| 6170 if (!type) | |
| 6171 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6172 m = sc->module; |
| 159 | 6173 e1 = e1->semantic(sc); |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6174 // LDC we need a copy as we store the LLVM tpye in TypeFunction, and delegate/members have different types for 'this' |
|
471
e19e20103119
Changed DMD to make a copy of the TypeFunction in DelegateExp.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
6175 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 6176 type = type->semantic(loc, sc); |
| 6177 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 6178 if (func->needThis()) |
| 6179 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 6180 } |
| 6181 return this; | |
| 6182 } | |
| 6183 | |
| 6184 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6185 { | |
| 6186 buf->writeByte('&'); | |
| 6187 if (!func->isNested()) | |
| 6188 { | |
| 6189 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6190 buf->writeByte('.'); | |
| 6191 } | |
| 6192 buf->writestring(func->toChars()); | |
| 6193 } | |
| 6194 | |
| 6195 /************************************************************/ | |
| 6196 | |
| 6197 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 6198 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 6199 { | |
| 6200 this->sym = s; | |
| 6201 this->type = s->getType(); | |
| 6202 } | |
| 6203 | |
| 6204 Expression *DotTypeExp::semantic(Scope *sc) | |
| 6205 { | |
| 6206 #if LOGSEMANTIC | |
| 6207 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 6208 #endif | |
| 6209 UnaExp::semantic(sc); | |
| 6210 return this; | |
| 6211 } | |
| 6212 | |
| 6213 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6214 { | |
| 6215 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6216 buf->writeByte('.'); | |
| 6217 buf->writestring(sym->toChars()); | |
| 6218 } | |
| 6219 | |
| 6220 /************************************************************/ | |
| 6221 | |
| 6222 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 6223 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6224 { | |
| 6225 this->arguments = exps; | |
| 6226 } | |
| 6227 | |
| 6228 CallExp::CallExp(Loc loc, Expression *e) | |
| 6229 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6230 { | |
| 6231 this->arguments = NULL; | |
| 6232 } | |
| 6233 | |
| 6234 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 6235 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6236 { | |
| 6237 Expressions *arguments = new Expressions(); | |
| 1587 | 6238 if (earg1) |
| 6239 { arguments->setDim(1); | |
| 6240 arguments->data[0] = (void *)earg1; | |
| 6241 } | |
| 159 | 6242 this->arguments = arguments; |
| 6243 } | |
| 6244 | |
| 6245 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 6246 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6247 { | |
| 6248 Expressions *arguments = new Expressions(); | |
| 6249 arguments->setDim(2); | |
| 6250 arguments->data[0] = (void *)earg1; | |
| 6251 arguments->data[1] = (void *)earg2; | |
| 6252 | |
| 6253 this->arguments = arguments; | |
| 6254 } | |
| 6255 | |
| 6256 Expression *CallExp::syntaxCopy() | |
| 6257 { | |
| 6258 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 6259 } | |
| 6260 | |
| 6261 | |
| 6262 Expression *CallExp::semantic(Scope *sc) | |
| 6263 { | |
| 6264 TypeFunction *tf; | |
| 6265 FuncDeclaration *f; | |
| 6266 int i; | |
| 6267 Type *t1; | |
| 6268 int istemp; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6269 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 6270 |
| 6271 #if LOGSEMANTIC | |
| 6272 printf("CallExp::semantic() %s\n", toChars()); | |
| 6273 #endif | |
| 6274 if (type) | |
| 6275 return this; // semantic() already run | |
| 6276 #if 0 | |
| 6277 if (arguments && arguments->dim) | |
| 6278 { | |
| 6279 Expression *earg = (Expression *)arguments->data[0]; | |
| 6280 earg->print(); | |
| 6281 if (earg->type) earg->type->print(); | |
| 6282 } | |
| 6283 #endif | |
| 6284 | |
| 6285 if (e1->op == TOKdelegate) | |
| 6286 { DelegateExp *de = (DelegateExp *)e1; | |
| 6287 | |
| 6288 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 6289 return semantic(sc); | |
| 6290 } | |
| 6291 | |
| 6292 /* Transform: | |
| 6293 * array.id(args) into id(array,args) | |
| 6294 * aa.remove(arg) into delete aa[arg] | |
| 6295 */ | |
| 6296 if (e1->op == TOKdot) | |
| 6297 { | |
| 6298 // BUG: we should handle array.a.b.c.e(args) too | |
| 6299 | |
| 6300 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6301 dotid->e1 = dotid->e1->semantic(sc); | |
| 6302 assert(dotid->e1); | |
| 6303 if (dotid->e1->type) | |
| 6304 { | |
| 6305 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6306 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6307 { | |
| 6308 if (!arguments || arguments->dim != 1) | |
| 6309 { error("expected key as argument to aa.remove()"); | |
| 6310 goto Lagain; | |
| 6311 } | |
| 6312 Expression *key = (Expression *)arguments->data[0]; | |
| 6313 key = key->semantic(sc); | |
| 6314 key = resolveProperties(sc, key); | |
| 6315 key->rvalue(); | |
| 6316 | |
| 6317 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6318 key = key->implicitCastTo(sc, taa->index); | |
| 6319 key = key->implicitCastTo(sc, taa->key); | |
| 6320 | |
| 6321 return new RemoveExp(loc, dotid->e1, key); | |
| 6322 } | |
| 6323 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6324 { | |
| 6325 if (!arguments) | |
| 6326 arguments = new Expressions(); | |
| 6327 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6328 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6329 e1 = new DotIdExp(dotid->loc, new IdentifierExp(dotid->loc, Id::empty), dotid->ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6330 #else |
| 159 | 6331 e1 = new IdentifierExp(dotid->loc, dotid->ident); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6332 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6333 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6334 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6335 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6336 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6337 #if 1 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6338 /* This recognizes: |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6339 * foo!(tiargs)(funcargs) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6340 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6341 if (e1->op == TOKimport && !e1->type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6342 { ScopeExp *se = (ScopeExp *)e1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6343 TemplateInstance *ti = se->sds->isTemplateInstance(); |
| 1587 | 6344 if (ti && !ti->semanticRun) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6345 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6346 /* Attempt to instantiate ti. If that works, go with it. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6347 * If not, go with partial explicit specialization. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6348 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6349 ti->semanticTiargs(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6350 unsigned errors = global.errors; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6351 global.gag++; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6352 ti->semantic(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6353 global.gag--; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6354 if (errors != global.errors) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6355 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6356 /* Didn't work, go with partial explicit specialization |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6357 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6358 global.errors = errors; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6359 targsi = ti->tiargs; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6360 e1 = new IdentifierExp(loc, ti->name); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6361 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6362 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6363 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6364 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6365 /* This recognizes: |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6366 * expr.foo!(tiargs)(funcargs) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6367 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6368 if (e1->op == TOKdotti && !e1->type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6369 { DotTemplateInstanceExp *se = (DotTemplateInstanceExp *)e1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6370 TemplateInstance *ti = se->ti; |
| 1587 | 6371 if (!ti->semanticRun) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6372 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6373 /* Attempt to instantiate ti. If that works, go with it. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6374 * If not, go with partial explicit specialization. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6375 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6376 ti->semanticTiargs(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6377 Expression *etmp; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6378 unsigned errors = global.errors; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6379 global.gag++; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6380 etmp = e1->semantic(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6381 global.gag--; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6382 if (errors != global.errors) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6383 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6384 global.errors = errors; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6385 targsi = ti->tiargs; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6386 e1 = new DotIdExp(loc, se->e1, ti->name); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6387 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6388 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6389 e1 = etmp; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6390 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6391 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6392 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6393 |
| 159 | 6394 istemp = 0; |
| 6395 Lagain: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6396 //printf("Lagain: %s\n", toChars()); |
| 159 | 6397 f = NULL; |
| 6398 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6399 { | |
| 6400 // semantic() run later for these | |
| 6401 } | |
| 6402 else | |
| 6403 { | |
| 6404 UnaExp::semantic(sc); | |
| 6405 | |
| 6406 /* Look for e1 being a lazy parameter | |
| 6407 */ | |
| 6408 if (e1->op == TOKvar) | |
| 6409 { VarExp *ve = (VarExp *)e1; | |
| 6410 | |
| 6411 if (ve->var->storage_class & STClazy) | |
| 6412 { | |
| 6413 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6414 TypeDelegate *t = new TypeDelegate(tf); | |
| 6415 ve->type = t->semantic(loc, sc); | |
| 6416 } | |
| 6417 } | |
| 6418 | |
| 6419 if (e1->op == TOKimport) | |
| 6420 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6421 ScopeExp *se = (ScopeExp *)e1; | |
| 6422 e1 = new DsymbolExp(loc, se->sds); | |
| 6423 e1 = e1->semantic(sc); | |
| 6424 } | |
| 6425 #if 1 // patch for #540 by Oskar Linde | |
| 6426 else if (e1->op == TOKdotexp) | |
| 6427 { | |
| 6428 DotExp *de = (DotExp *) e1; | |
| 6429 | |
| 6430 if (de->e2->op == TOKimport) | |
| 6431 { // This should *really* be moved to ScopeExp::semantic() | |
| 6432 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6433 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6434 de->e2 = de->e2->semantic(sc); | |
| 6435 } | |
| 6436 | |
| 6437 if (de->e2->op == TOKtemplate) | |
| 6438 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6439 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6440 } | |
| 6441 } | |
| 6442 #endif | |
| 6443 } | |
| 6444 | |
| 6445 if (e1->op == TOKcomma) | |
| 6446 { | |
| 6447 CommaExp *ce = (CommaExp *)e1; | |
| 6448 | |
| 6449 e1 = ce->e2; | |
| 6450 e1->type = ce->type; | |
| 6451 ce->e2 = this; | |
| 6452 ce->type = NULL; | |
| 6453 return ce->semantic(sc); | |
| 6454 } | |
| 6455 | |
| 6456 t1 = NULL; | |
| 6457 if (e1->type) | |
| 6458 t1 = e1->type->toBasetype(); | |
| 6459 | |
| 6460 // Check for call operator overload | |
| 6461 if (t1) | |
| 6462 { AggregateDeclaration *ad; | |
| 6463 | |
| 6464 if (t1->ty == Tstruct) | |
| 6465 { | |
| 6466 ad = ((TypeStruct *)t1)->sym; | |
| 1587 | 6467 #if DMDV2 |
| 6468 // First look for constructor | |
| 6469 if (ad->ctor && arguments && arguments->dim) | |
| 6470 { | |
| 6471 // Create variable that will get constructed | |
| 6472 Identifier *idtmp = Lexer::uniqueId("__ctmp"); | |
| 6473 VarDeclaration *tmp = new VarDeclaration(loc, t1, idtmp, NULL); | |
| 6474 Expression *av = new DeclarationExp(loc, tmp); | |
| 6475 av = new CommaExp(loc, av, new VarExp(loc, tmp)); | |
| 6476 | |
| 6477 Expression *e; | |
| 6478 CtorDeclaration *cf = ad->ctor->isCtorDeclaration(); | |
| 6479 if (cf) | |
| 6480 e = new DotVarExp(loc, av, cf, 1); | |
| 6481 else | |
| 6482 { TemplateDeclaration *td = ad->ctor->isTemplateDeclaration(); | |
| 6483 assert(td); | |
| 6484 e = new DotTemplateExp(loc, av, td); | |
| 6485 } | |
| 6486 e = new CallExp(loc, e, arguments); | |
| 6487 #if !STRUCTTHISREF | |
| 6488 /* Constructors return a pointer to the instance | |
| 6489 */ | |
| 6490 e = new PtrExp(loc, e); | |
| 6491 #endif | |
| 6492 e = e->semantic(sc); | |
| 6493 return e; | |
| 6494 } | |
| 6495 #endif | |
| 6496 // No constructor, look for overload of opCall | |
| 159 | 6497 if (search_function(ad, Id::call)) |
| 6498 goto L1; // overload of opCall, therefore it's a call | |
| 6499 | |
| 6500 if (e1->op != TOKtype) | |
| 6501 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6502 /* It's a struct literal | |
| 6503 */ | |
| 6504 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6505 e = e->semantic(sc); | |
| 6506 e->type = e1->type; // in case e1->type was a typedef | |
| 6507 return e; | |
| 6508 } | |
| 6509 else if (t1->ty == Tclass) | |
| 6510 { | |
| 6511 ad = ((TypeClass *)t1)->sym; | |
| 6512 goto L1; | |
| 6513 L1: | |
| 6514 // Rewrite as e1.call(arguments) | |
| 6515 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6516 e = new CallExp(loc, e, arguments); | |
| 6517 e = e->semantic(sc); | |
| 6518 return e; | |
| 6519 } | |
| 6520 } | |
| 6521 | |
| 6522 arrayExpressionSemantic(arguments, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6523 preFunctionParameters(loc, sc, arguments); |
| 159 | 6524 |
| 6525 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6526 e1->op == TOKdottd) | |
| 6527 { | |
| 6528 DotVarExp *dve; | |
| 6529 DotTemplateExp *dte; | |
| 6530 AggregateDeclaration *ad; | |
| 6531 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6532 |
| 159 | 6533 if (e1->op == TOKdotvar) |
| 6534 { // Do overload resolution | |
| 6535 dve = (DotVarExp *)(e1); | |
| 6536 | |
| 6537 f = dve->var->isFuncDeclaration(); | |
| 6538 assert(f); | |
| 1587 | 6539 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6540 |
| 6541 ad = f->toParent()->isAggregateDeclaration(); | |
| 6542 } | |
| 6543 else | |
| 6544 { dte = (DotTemplateExp *)(e1); | |
| 6545 TemplateDeclaration *td = dte->td; | |
| 6546 assert(td); | |
| 6547 if (!arguments) | |
| 6548 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6549 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6551 if (!f) |
| 6552 { type = Type::terror; | |
| 6553 return this; | |
| 6554 } | |
| 6555 ad = td->toParent()->isAggregateDeclaration(); | |
| 6556 } | |
| 336 | 6557 if (f->needThis()) |
| 6558 { | |
| 6559 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6560 } | |
| 6561 | |
| 6562 /* Cannot call public functions from inside invariant | |
| 6563 * (because then the invariant would have infinite recursion) | |
| 159 | 6564 */ |
| 336 | 6565 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6566 ue->e1->op == TOKthis && | |
| 6567 f->addPostInvariant() | |
| 159 | 6568 ) |
| 6569 { | |
| 336 | 6570 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6571 } |
| 6572 | |
| 6573 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6574 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6575 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6576 #endif |
| 159 | 6577 accessCheck(loc, sc, ue->e1, f); |
| 6578 if (!f->needThis()) | |
| 6579 { | |
| 6580 VarExp *ve = new VarExp(loc, f); | |
| 6581 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6582 e1->type = f->type; | |
| 6583 } | |
| 6584 else | |
| 6585 { | |
| 6586 if (e1->op == TOKdotvar) | |
| 6587 dve->var = f; | |
| 6588 else | |
| 6589 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6590 e1->type = f->type; | |
| 6591 | |
| 6592 // See if we need to adjust the 'this' pointer | |
| 6593 AggregateDeclaration *ad = f->isThis(); | |
| 6594 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6595 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6596 ue->e1->op != TOKsuper) | |
| 6597 { | |
| 6598 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6599 ue->e1 = ue->e1->semantic(sc); | |
| 6600 } | |
| 6601 } | |
| 6602 t1 = e1->type; | |
| 6603 } | |
| 6604 else if (e1->op == TOKsuper) | |
| 6605 { | |
| 6606 // Base class constructor call | |
| 6607 ClassDeclaration *cd = NULL; | |
| 6608 | |
| 6609 if (sc->func) | |
| 6610 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6611 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6612 { | |
| 6613 error("super class constructor call must be in a constructor"); | |
| 6614 type = Type::terror; | |
| 6615 return this; | |
| 6616 } | |
| 6617 else | |
| 6618 { | |
| 6619 f = cd->baseClass->ctor; | |
| 6620 if (!f) | |
| 6621 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6622 type = Type::terror; | |
| 6623 return this; | |
| 6624 } | |
| 6625 else | |
| 6626 { | |
| 336 | 6627 if (!sc->intypeof) |
| 6628 { | |
| 159 | 6629 #if 0 |
| 336 | 6630 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6631 error("reference to this before super()"); | |
| 159 | 6632 #endif |
| 336 | 6633 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6634 error("constructor calls not allowed in loops or after labels"); | |
| 6635 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6636 error("multiple constructor calls"); | |
| 6637 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6638 } | |
| 159 | 6639 |
| 1587 | 6640 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6641 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6642 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6643 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6644 #endif |
| 159 | 6645 e1 = new DotVarExp(e1->loc, e1, f); |
| 6646 e1 = e1->semantic(sc); | |
| 6647 t1 = e1->type; | |
| 6648 } | |
| 6649 } | |
| 6650 } | |
| 6651 else if (e1->op == TOKthis) | |
| 6652 { | |
| 6653 // same class constructor call | |
| 6654 ClassDeclaration *cd = NULL; | |
| 6655 | |
| 6656 if (sc->func) | |
| 6657 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6658 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6659 { | |
| 6660 error("class constructor call must be in a constructor"); | |
| 6661 type = Type::terror; | |
| 6662 return this; | |
| 6663 } | |
| 6664 else | |
| 6665 { | |
| 336 | 6666 if (!sc->intypeof) |
| 6667 { | |
| 159 | 6668 #if 0 |
| 336 | 6669 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6670 error("reference to this before super()"); | |
| 159 | 6671 #endif |
| 336 | 6672 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6673 error("constructor calls not allowed in loops or after labels"); | |
| 6674 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6675 error("multiple constructor calls"); | |
| 6676 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6677 } | |
| 159 | 6678 |
| 6679 f = cd->ctor; | |
| 1587 | 6680 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6681 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6682 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6683 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6684 #endif |
| 159 | 6685 e1 = new DotVarExp(e1->loc, e1, f); |
| 6686 e1 = e1->semantic(sc); | |
| 6687 t1 = e1->type; | |
| 6688 | |
| 6689 // BUG: this should really be done by checking the static | |
| 6690 // call graph | |
| 6691 if (f == sc->func) | |
| 6692 error("cyclic constructor call"); | |
| 6693 } | |
| 6694 } | |
| 6695 else if (!t1) | |
| 6696 { | |
| 6697 error("function expected before (), not '%s'", e1->toChars()); | |
| 6698 type = Type::terror; | |
| 6699 return this; | |
| 6700 } | |
| 6701 else if (t1->ty != Tfunction) | |
| 6702 { | |
| 6703 if (t1->ty == Tdelegate) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6704 { TypeDelegate *td = (TypeDelegate *)t1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6705 assert(td->next->ty == Tfunction); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6706 tf = (TypeFunction *)(td->next); |
| 159 | 6707 goto Lcheckargs; |
| 6708 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6709 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6710 { Expression *e; |
| 6711 | |
| 6712 e = new PtrExp(loc, e1); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6713 t1 = ((TypePointer *)t1)->next; |
| 159 | 6714 e->type = t1; |
| 6715 e1 = e; | |
| 6716 } | |
| 6717 else if (e1->op == TOKtemplate) | |
| 6718 { | |
| 6719 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6720 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6721 if (!f) |
| 6722 { type = Type::terror; | |
| 6723 return this; | |
| 6724 } | |
| 6725 if (f->needThis() && hasThis(sc)) | |
| 6726 { | |
| 6727 // Supply an implicit 'this', as in | |
| 6728 // this.ident | |
| 6729 | |
| 6730 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6731 goto Lagain; | |
| 6732 } | |
| 6733 | |
| 6734 e1 = new VarExp(loc, f); | |
| 6735 goto Lagain; | |
| 6736 } | |
| 6737 else | |
| 6738 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6739 type = Type::terror; | |
| 6740 return this; | |
| 6741 } | |
| 6742 } | |
| 6743 else if (e1->op == TOKvar) | |
| 6744 { | |
| 6745 // Do overload resolution | |
| 6746 VarExp *ve = (VarExp *)e1; | |
| 6747 | |
| 6748 f = ve->var->isFuncDeclaration(); | |
| 6749 assert(f); | |
| 6750 | |
| 6751 // Look to see if f is really a function template | |
| 6752 if (0 && !istemp && f->parent) | |
| 6753 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6754 | |
| 6755 if (ti && | |
| 6756 (ti->name == f->ident || | |
| 6757 ti->toAlias()->ident == f->ident) | |
| 6758 && | |
| 6759 ti->tempdecl) | |
| 6760 { | |
| 6761 /* This is so that one can refer to the enclosing | |
| 6762 * template, even if it has the same name as a member | |
| 6763 * of the template, if it has a !(arguments) | |
| 6764 */ | |
| 6765 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6766 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6767 tempdecl = tempdecl->overroot; // then get the start | |
| 6768 e1 = new TemplateExp(loc, tempdecl); | |
| 6769 istemp = 1; | |
| 6770 goto Lagain; | |
| 6771 } | |
| 6772 } | |
| 6773 | |
| 1587 | 6774 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6775 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6776 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6777 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6778 #endif |
| 159 | 6779 |
| 6780 if (f->needThis() && hasThis(sc)) | |
| 6781 { | |
| 6782 // Supply an implicit 'this', as in | |
| 6783 // this.ident | |
| 6784 | |
| 6785 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6786 goto Lagain; | |
| 6787 } | |
| 6788 | |
| 6789 accessCheck(loc, sc, NULL, f); | |
| 6790 | |
| 6791 ve->var = f; | |
| 6792 ve->type = f->type; | |
| 6793 t1 = f->type; | |
| 6794 } | |
| 6795 assert(t1->ty == Tfunction); | |
| 6796 tf = (TypeFunction *)(t1); | |
| 6797 | |
| 6798 Lcheckargs: | |
| 6799 assert(tf->ty == Tfunction); | |
| 6800 type = tf->next; | |
| 6801 | |
| 6802 if (!arguments) | |
| 6803 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6804 functionParameters(loc, sc, tf, arguments); |
| 159 | 6805 |
| 6806 assert(type); | |
| 6807 | |
| 6808 if (f && f->tintro) | |
| 6809 { | |
| 6810 Type *t = type; | |
| 6811 int offset = 0; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6812 TypeFunction *tf = (TypeFunction *)f->tintro; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6813 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6814 if (tf->next->isBaseOf(t, &offset) && offset) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6815 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6816 type = tf->next; |
| 159 | 6817 return castTo(sc, t); |
| 6818 } | |
| 6819 } | |
| 6820 | |
| 6821 return this; | |
| 6822 } | |
| 6823 | |
| 6824 int CallExp::checkSideEffect(int flag) | |
| 6825 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6826 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6827 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6828 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6829 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6830 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6831 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6832 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6833 /* If any of the arguments have side effects, this expression does |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6834 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6835 for (size_t i = 0; i < arguments->dim; i++) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6836 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6837 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6838 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6839 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6840 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6841 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6842 /* If calling a function or delegate that is typed as pure, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6843 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6844 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6845 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6846 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6847 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6848 if (t->ty == Tdelegate && ((TypeFunction *)((TypeDelegate *)t)->next)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6849 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6850 #endif |
| 159 | 6851 return 1; |
| 6852 } | |
| 6853 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6854 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6855 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6856 { |
| 1587 | 6857 //printf("CallExp::canThrow() %s\n", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6858 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6859 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6860 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6861 /* If any of the arguments can throw, then this expression can throw |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6862 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6863 for (size_t i = 0; i < arguments->dim; i++) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6864 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6865 |
| 1587 | 6866 if (e && e->canThrow()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6867 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6868 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6869 |
| 1587 | 6870 if (global.errors && !e1->type) |
| 6871 return 0; // error recovery | |
| 6872 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6873 /* If calling a function or delegate that is typed as nothrow, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6874 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6875 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6876 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6877 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6878 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6879 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6880 if (t->ty == Tdelegate && ((TypeFunction *)((TypeDelegate *)t)->next)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6881 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6882 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6883 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6884 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6885 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6886 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6887 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6888 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6889 { |
| 1587 | 6890 // if (type->toBasetype()->ty == Tstruct) |
| 6891 // return 1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6892 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6893 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6894 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6895 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6896 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6897 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6898 |
| 159 | 6899 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6900 { | |
| 1587 | 6901 #if 1 |
| 159 | 6902 if (type->toBasetype()->ty == Tstruct) |
| 6903 return this; | |
| 6904 else | |
| 1587 | 6905 #endif |
| 159 | 6906 return Expression::toLvalue(sc, e); |
| 6907 } | |
| 6908 | |
| 1587 | 6909 Expression *CallExp::modifiableLvalue(Scope *sc, Expression *e) |
| 6910 { | |
| 6911 #if 1 | |
| 6912 return Expression::modifiableLvalue(sc, e); | |
| 6913 #else | |
| 6914 /* Although function return values being usable as "ref" parameters is | |
| 6915 * unsound, disabling it breaks existing code. | |
| 6916 * Bugzilla 3167 | |
| 6917 */ | |
| 6918 error("cannot assign to function call"); | |
| 6919 return toLvalue(sc, e); | |
| 6920 #endif | |
| 6921 } | |
| 6922 | |
| 159 | 6923 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6924 { int i; | |
| 6925 | |
| 6926 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6927 buf->writeByte('('); | |
| 6928 argsToCBuffer(buf, arguments, hgs); | |
| 6929 buf->writeByte(')'); | |
| 6930 } | |
| 6931 | |
| 6932 | |
| 6933 /************************************************************/ | |
| 6934 | |
| 6935 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6936 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6937 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6938 m = NULL; |
| 159 | 6939 } |
| 6940 | |
| 6941 Expression *AddrExp::semantic(Scope *sc) | |
| 6942 { | |
| 6943 #if LOGSEMANTIC | |
| 6944 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6945 #endif | |
| 6946 if (!type) | |
| 6947 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6948 m = sc->module; |
| 159 | 6949 UnaExp::semantic(sc); |
| 6950 e1 = e1->toLvalue(sc, NULL); | |
| 6951 if (!e1->type) | |
| 6952 { | |
| 6953 error("cannot take address of %s", e1->toChars()); | |
| 1587 | 6954 return new ErrorExp(); |
| 6955 } | |
| 6956 if (!e1->type->deco) | |
| 6957 { | |
| 6958 /* No deco means semantic() was not run on the type. | |
| 6959 * We have to run semantic() on the symbol to get the right type: | |
| 6960 * auto x = &bar; | |
| 6961 * pure: int bar() { return 1;} | |
| 6962 * otherwise the 'pure' is missing from the type assigned to x. | |
| 6963 */ | |
| 6964 | |
| 6965 error("forward reference to %s", e1->toChars()); | |
| 6966 return new ErrorExp(); | |
| 159 | 6967 } |
| 6968 type = e1->type->pointerTo(); | |
| 6969 | |
| 6970 // See if this should really be a delegate | |
| 6971 if (e1->op == TOKdotvar) | |
| 6972 { | |
| 6973 DotVarExp *dve = (DotVarExp *)e1; | |
| 6974 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6975 | |
| 6976 if (f) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6977 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6978 e = e->semantic(sc); |
| 6979 return e; | |
| 6980 } | |
| 6981 } | |
| 6982 else if (e1->op == TOKvar) | |
| 6983 { | |
| 6984 VarExp *dve = (VarExp *)e1; | |
| 6985 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6986 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6987 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6988 // LDC |
|
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6989 if (f && f->isIntrinsic()) |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6990 { |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6991 error("cannot take the address of intrinsic function %s", e1->toChars()); |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6992 return this; |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6993 } |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6994 |
| 159 | 6995 if (f && f->isNested()) |
| 6996 { Expression *e; | |
| 6997 | |
| 6998 e = new DelegateExp(loc, e1, f); | |
| 6999 e = e->semantic(sc); | |
| 7000 return e; | |
| 7001 } | |
| 7002 } | |
| 7003 else if (e1->op == TOKarray) | |
| 7004 { | |
| 7005 if (e1->type->toBasetype()->ty == Tbit) | |
| 7006 error("cannot take address of bit in array"); | |
| 7007 } | |
| 7008 return optimize(WANTvalue); | |
| 7009 } | |
| 7010 return this; | |
| 7011 } | |
| 7012 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7013 void AddrExp::checkEscape() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7014 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7015 e1->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7016 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7017 |
| 159 | 7018 /************************************************************/ |
| 7019 | |
| 7020 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 7021 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 7022 { | |
| 1587 | 7023 // if (e->type) |
| 7024 // type = ((TypePointer *)e->type)->next; | |
| 159 | 7025 } |
| 7026 | |
| 7027 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 7028 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 7029 { | |
| 7030 type = t; | |
| 7031 } | |
| 7032 | |
| 7033 Expression *PtrExp::semantic(Scope *sc) | |
| 1587 | 7034 { |
| 159 | 7035 #if LOGSEMANTIC |
| 7036 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 7037 #endif | |
| 1587 | 7038 if (!type) |
| 7039 { | |
| 7040 UnaExp::semantic(sc); | |
| 7041 e1 = resolveProperties(sc, e1); | |
| 7042 if (!e1->type) | |
| 7043 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 7044 Type *tb = e1->type->toBasetype(); | |
| 7045 switch (tb->ty) | |
| 7046 { | |
| 7047 case Tpointer: | |
| 7048 type = tb->next; | |
| 7049 break; | |
| 7050 | |
| 7051 case Tsarray: | |
| 7052 case Tarray: | |
| 7053 type = tb->next; | |
| 7054 e1 = e1->castTo(sc, type->pointerTo()); | |
| 7055 break; | |
| 7056 | |
| 7057 default: | |
| 7058 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 7059 return new ErrorExp(); | |
| 7060 } | |
| 7061 rvalue(); | |
| 7062 } | |
| 159 | 7063 return this; |
| 7064 } | |
| 7065 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7073 void PtrExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7074 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7075 e1->checkEscape(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7076 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7077 |
| 159 | 7078 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 7079 { | |
| 7080 #if 0 | |
| 7081 tym = tybasic(e1->ET->Tty); | |
| 7082 if (!(tyscalar(tym) || | |
| 7083 tym == TYstruct || | |
| 7084 tym == TYarray && e->Eoper == TOKaddr)) | |
| 7085 synerr(EM_lvalue); // lvalue expected | |
| 7086 #endif | |
| 7087 return this; | |
| 7088 } | |
| 7089 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7090 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7091 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7092 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7093 //printf("PtrExp::modifiableLvalue() %s, type %s\n", toChars(), type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7094 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7095 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7096 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7097 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7098 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7099 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7100 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7101 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7102 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7103 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7104 |
| 159 | 7105 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 7106 { | |
| 7107 buf->writeByte('*'); | |
| 7108 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7109 } | |
| 7110 | |
| 7111 /************************************************************/ | |
| 7112 | |
| 7113 NegExp::NegExp(Loc loc, Expression *e) | |
| 7114 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 7115 { | |
| 7116 } | |
| 7117 | |
| 7118 Expression *NegExp::semantic(Scope *sc) | |
| 7119 { Expression *e; | |
| 7120 | |
| 7121 #if LOGSEMANTIC | |
| 7122 printf("NegExp::semantic('%s')\n", toChars()); | |
| 7123 #endif | |
| 7124 if (!type) | |
| 7125 { | |
| 7126 UnaExp::semantic(sc); | |
| 7127 e1 = resolveProperties(sc, e1); | |
| 7128 e = op_overload(sc); | |
| 7129 if (e) | |
| 7130 return e; | |
| 7131 | |
| 7132 e1->checkNoBool(); | |
| 1587 | 7133 if (!e1->isArrayOperand()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7134 e1->checkArithmetic(); |
| 159 | 7135 type = e1->type; |
| 7136 } | |
| 7137 return this; | |
| 7138 } | |
| 7139 | |
| 7140 /************************************************************/ | |
| 7141 | |
| 7142 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 7143 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 7144 { | |
| 7145 } | |
| 7146 | |
| 7147 Expression *UAddExp::semantic(Scope *sc) | |
| 7148 { Expression *e; | |
| 7149 | |
| 7150 #if LOGSEMANTIC | |
| 7151 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 7152 #endif | |
| 7153 assert(!type); | |
| 7154 UnaExp::semantic(sc); | |
| 7155 e1 = resolveProperties(sc, e1); | |
| 7156 e = op_overload(sc); | |
| 7157 if (e) | |
| 7158 return e; | |
| 7159 e1->checkNoBool(); | |
| 7160 e1->checkArithmetic(); | |
| 7161 return e1; | |
| 7162 } | |
| 7163 | |
| 7164 /************************************************************/ | |
| 7165 | |
| 7166 ComExp::ComExp(Loc loc, Expression *e) | |
| 7167 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 7168 { | |
| 7169 } | |
| 7170 | |
| 7171 Expression *ComExp::semantic(Scope *sc) | |
| 7172 { Expression *e; | |
| 7173 | |
| 7174 if (!type) | |
| 7175 { | |
| 7176 UnaExp::semantic(sc); | |
| 7177 e1 = resolveProperties(sc, e1); | |
| 7178 e = op_overload(sc); | |
| 7179 if (e) | |
| 7180 return e; | |
| 7181 | |
| 7182 e1->checkNoBool(); | |
| 1587 | 7183 if (!e1->isArrayOperand()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7184 e1 = e1->checkIntegral(); |
| 159 | 7185 type = e1->type; |
| 7186 } | |
| 7187 return this; | |
| 7188 } | |
| 7189 | |
| 7190 /************************************************************/ | |
| 7191 | |
| 7192 NotExp::NotExp(Loc loc, Expression *e) | |
| 7193 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 7194 { | |
| 7195 } | |
| 7196 | |
| 7197 Expression *NotExp::semantic(Scope *sc) | |
| 7198 { | |
| 7199 UnaExp::semantic(sc); | |
| 7200 e1 = resolveProperties(sc, e1); | |
| 7201 e1 = e1->checkToBoolean(); | |
| 7202 type = Type::tboolean; | |
| 7203 return this; | |
| 7204 } | |
| 7205 | |
| 7206 int NotExp::isBit() | |
| 7207 { | |
| 7208 return TRUE; | |
| 7209 } | |
| 7210 | |
| 7211 | |
| 7212 | |
| 7213 /************************************************************/ | |
| 7214 | |
| 7215 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 7216 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 7217 { | |
| 7218 type = t; | |
| 7219 } | |
| 7220 | |
| 7221 Expression *BoolExp::semantic(Scope *sc) | |
| 7222 { | |
| 7223 UnaExp::semantic(sc); | |
| 7224 e1 = resolveProperties(sc, e1); | |
| 7225 e1 = e1->checkToBoolean(); | |
| 7226 type = Type::tboolean; | |
| 7227 return this; | |
| 7228 } | |
| 7229 | |
| 7230 int BoolExp::isBit() | |
| 7231 { | |
| 7232 return TRUE; | |
| 7233 } | |
| 7234 | |
| 7235 /************************************************************/ | |
| 7236 | |
| 7237 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 7238 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 7239 { | |
| 7240 } | |
| 7241 | |
| 7242 Expression *DeleteExp::semantic(Scope *sc) | |
| 7243 { | |
| 7244 Type *tb; | |
| 7245 | |
| 7246 UnaExp::semantic(sc); | |
| 7247 e1 = resolveProperties(sc, e1); | |
| 7248 e1 = e1->toLvalue(sc, NULL); | |
| 7249 type = Type::tvoid; | |
| 7250 | |
| 7251 tb = e1->type->toBasetype(); | |
| 7252 switch (tb->ty) | |
| 7253 { case Tclass: | |
| 7254 { TypeClass *tc = (TypeClass *)tb; | |
| 7255 ClassDeclaration *cd = tc->sym; | |
| 7256 | |
| 7257 if (cd->isCOMinterface()) | |
| 7258 { /* Because COM classes are deleted by IUnknown.Release() | |
| 7259 */ | |
| 7260 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 7261 } | |
| 7262 break; | |
| 7263 } | |
| 7264 case Tpointer: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7265 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 7266 if (tb->ty == Tstruct) |
| 7267 { | |
| 7268 TypeStruct *ts = (TypeStruct *)tb; | |
| 7269 StructDeclaration *sd = ts->sym; | |
| 7270 FuncDeclaration *f = sd->aggDelete; | |
| 7271 | |
| 7272 if (f) | |
| 7273 { | |
| 7274 Type *tpv = Type::tvoid->pointerTo(); | |
| 7275 | |
| 7276 Expression *e = e1->castTo(sc, tpv); | |
| 7277 Expression *ec = new VarExp(loc, f); | |
| 7278 e = new CallExp(loc, ec, e); | |
| 7279 return e->semantic(sc); | |
| 7280 } | |
| 7281 } | |
| 7282 break; | |
| 7283 | |
| 7284 case Tarray: | |
| 7285 break; | |
| 7286 | |
| 7287 default: | |
| 7288 if (e1->op == TOKindex) | |
| 7289 { | |
| 7290 IndexExp *ae = (IndexExp *)(e1); | |
| 7291 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7292 if (tb1->ty == Taarray) | |
| 7293 break; | |
| 7294 } | |
| 7295 error("cannot delete type %s", e1->type->toChars()); | |
| 7296 break; | |
| 7297 } | |
| 7298 | |
| 7299 if (e1->op == TOKindex) | |
| 7300 { | |
| 7301 IndexExp *ae = (IndexExp *)(e1); | |
| 7302 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7303 if (tb1->ty == Taarray) | |
| 7304 { if (!global.params.useDeprecated) | |
| 7305 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 7306 } | |
| 7307 } | |
| 7308 | |
| 7309 return this; | |
| 7310 } | |
| 7311 | |
| 7312 int DeleteExp::checkSideEffect(int flag) | |
| 7313 { | |
| 7314 return 1; | |
| 7315 } | |
| 7316 | |
| 7317 Expression *DeleteExp::checkToBoolean() | |
| 7318 { | |
| 7319 error("delete does not give a boolean result"); | |
| 7320 return this; | |
| 7321 } | |
| 7322 | |
| 7323 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7324 { | |
| 7325 buf->writestring("delete "); | |
| 7326 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7327 } | |
| 7328 | |
| 7329 /************************************************************/ | |
| 7330 | |
| 7331 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 7332 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 7333 { | |
| 7334 to = t; | |
| 7335 } | |
| 7336 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7337 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7338 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7339 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7340 CastExp::CastExp(Loc loc, Expression *e, unsigned mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7341 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7342 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7343 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7344 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7345 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7346 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7347 |
| 159 | 7348 Expression *CastExp::syntaxCopy() |
| 7349 { | |
| 7350 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 7351 } | |
| 7352 | |
| 7353 | |
| 7354 Expression *CastExp::semantic(Scope *sc) | |
| 7355 { Expression *e; | |
| 7356 BinExp *b; | |
| 7357 UnaExp *u; | |
| 7358 | |
| 7359 #if LOGSEMANTIC | |
| 7360 printf("CastExp::semantic('%s')\n", toChars()); | |
| 7361 #endif | |
| 7362 | |
| 7363 //static int x; assert(++x < 10); | |
| 7364 | |
| 7365 if (type) | |
| 7366 return this; | |
| 7367 UnaExp::semantic(sc); | |
| 7368 if (e1->type) // if not a tuple | |
| 7369 { | |
| 7370 e1 = resolveProperties(sc, e1); | |
| 7371 to = to->semantic(loc, sc); | |
| 7372 | |
| 7373 e = op_overload(sc); | |
| 7374 if (e) | |
| 7375 { | |
| 7376 return e->implicitCastTo(sc, to); | |
| 7377 } | |
| 7378 | |
| 1587 | 7379 if (e1->op == TOKtemplate) |
| 7380 { | |
| 7381 error("cannot cast template %s to type %s", e1->toChars(), to->toChars()); | |
| 7382 return new ErrorExp(); | |
| 7383 } | |
| 7384 | |
| 7385 Type *t1b = e1->type->toBasetype(); | |
| 159 | 7386 Type *tob = to->toBasetype(); |
| 7387 if (tob->ty == Tstruct && | |
| 1587 | 7388 !tob->equals(t1b) && |
| 159 | 7389 ((TypeStruct *)to)->sym->search(0, Id::call, 0) |
| 7390 ) | |
| 7391 { | |
| 7392 /* Look to replace: | |
| 7393 * cast(S)t | |
| 7394 * with: | |
| 7395 * S(t) | |
| 7396 */ | |
| 7397 | |
| 7398 // Rewrite as to.call(e1) | |
| 7399 e = new TypeExp(loc, to); | |
| 7400 e = new DotIdExp(loc, e, Id::call); | |
| 7401 e = new CallExp(loc, e, e1); | |
| 7402 e = e->semantic(sc); | |
| 7403 return e; | |
| 7404 } | |
| 1587 | 7405 |
| 7406 // Struct casts are possible only when the sizes match | |
| 7407 if (tob->ty == Tstruct || t1b->ty == Tstruct) | |
| 7408 { | |
| 7409 size_t fromsize = t1b->size(loc); | |
| 7410 size_t tosize = tob->size(loc); | |
| 7411 if (fromsize != tosize) | |
| 7412 { | |
| 7413 error("cannot cast from %s to %s", e1->type->toChars(), to->toChars()); | |
| 7414 return new ErrorExp(); | |
| 7415 } | |
| 7416 } | |
| 159 | 7417 } |
| 1640 | 7418 |
| 7419 if (!e1->type) | |
| 7420 { error("cannot cast %s", e1->toChars()); | |
| 7421 return new ErrorExp(); | |
| 7422 } | |
| 7423 | |
| 159 | 7424 e = e1->castTo(sc, to); |
| 7425 return e; | |
| 7426 } | |
| 7427 | |
| 7428 int CastExp::checkSideEffect(int flag) | |
| 7429 { | |
| 7430 /* if not: | |
| 7431 * cast(void) | |
| 7432 * cast(classtype)func() | |
| 7433 */ | |
| 7434 if (!to->equals(Type::tvoid) && | |
| 7435 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7436 return Expression::checkSideEffect(flag); | |
| 7437 return 1; | |
| 7438 } | |
| 7439 | |
| 7440 void CastExp::checkEscape() | |
| 7441 { Type *tb = type->toBasetype(); | |
| 7442 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7443 e1->type->toBasetype()->ty == Tsarray) | |
| 7444 { VarExp *ve = (VarExp *)e1; | |
| 7445 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7446 if (v) | |
| 7447 { | |
| 7448 if (!v->isDataseg() && !v->isParameter()) | |
| 7449 error("escaping reference to local %s", v->toChars()); | |
| 7450 } | |
| 7451 } | |
| 7452 } | |
| 7453 | |
| 7454 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7455 { | |
| 7456 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7457 #if DMDV1 |
| 159 | 7458 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7459 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7460 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7461 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7462 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7463 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7464 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7465 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7466 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7467 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7468 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7469 break; |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
7470 case MODimmutable: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7471 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7472 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7473 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7474 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7475 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7476 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7477 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7478 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7479 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7480 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7481 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7482 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7483 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7484 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 #endif |
| 159 | 7486 buf->writeByte(')'); |
| 7487 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7488 } | |
| 7489 | |
| 7490 | |
| 7491 /************************************************************/ | |
| 7492 | |
| 7493 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7494 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7495 { | |
| 7496 this->upr = upr; | |
| 7497 this->lwr = lwr; | |
| 7498 lengthVar = NULL; | |
| 7499 } | |
| 7500 | |
| 7501 Expression *SliceExp::syntaxCopy() | |
| 7502 { | |
| 7503 Expression *lwr = NULL; | |
| 7504 if (this->lwr) | |
| 7505 lwr = this->lwr->syntaxCopy(); | |
| 7506 | |
| 7507 Expression *upr = NULL; | |
| 7508 if (this->upr) | |
| 7509 upr = this->upr->syntaxCopy(); | |
| 7510 | |
| 7511 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7512 } | |
| 7513 | |
| 7514 Expression *SliceExp::semantic(Scope *sc) | |
| 7515 { Expression *e; | |
| 7516 AggregateDeclaration *ad; | |
| 7517 //FuncDeclaration *fd; | |
| 7518 ScopeDsymbol *sym; | |
| 7519 | |
| 7520 #if LOGSEMANTIC | |
| 7521 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7522 #endif | |
| 7523 if (type) | |
| 7524 return this; | |
| 7525 | |
| 7526 UnaExp::semantic(sc); | |
| 7527 e1 = resolveProperties(sc, e1); | |
| 7528 | |
| 7529 e = this; | |
| 7530 | |
| 7531 Type *t = e1->type->toBasetype(); | |
| 7532 if (t->ty == Tpointer) | |
| 7533 { | |
| 7534 if (!lwr || !upr) | |
| 7535 error("need upper and lower bound to slice pointer"); | |
| 7536 } | |
| 7537 else if (t->ty == Tarray) | |
| 7538 { | |
| 7539 } | |
| 7540 else if (t->ty == Tsarray) | |
| 7541 { | |
| 7542 } | |
| 7543 else if (t->ty == Tclass) | |
| 7544 { | |
| 7545 ad = ((TypeClass *)t)->sym; | |
| 7546 goto L1; | |
| 7547 } | |
| 7548 else if (t->ty == Tstruct) | |
| 7549 { | |
| 7550 ad = ((TypeStruct *)t)->sym; | |
| 7551 | |
| 7552 L1: | |
| 7553 if (search_function(ad, Id::slice)) | |
| 7554 { | |
| 7555 // Rewrite as e1.slice(lwr, upr) | |
| 7556 e = new DotIdExp(loc, e1, Id::slice); | |
| 7557 | |
| 7558 if (lwr) | |
| 7559 { | |
| 7560 assert(upr); | |
| 7561 e = new CallExp(loc, e, lwr, upr); | |
| 7562 } | |
| 7563 else | |
| 7564 { assert(!upr); | |
| 7565 e = new CallExp(loc, e); | |
| 7566 } | |
| 7567 e = e->semantic(sc); | |
| 7568 return e; | |
| 7569 } | |
| 7570 goto Lerror; | |
| 7571 } | |
| 7572 else if (t->ty == Ttuple) | |
| 7573 { | |
| 7574 if (!lwr && !upr) | |
| 7575 return e1; | |
| 7576 if (!lwr || !upr) | |
| 7577 { error("need upper and lower bound to slice tuple"); | |
| 7578 goto Lerror; | |
| 7579 } | |
| 7580 } | |
| 7581 else | |
| 7582 goto Lerror; | |
| 7583 | |
| 7584 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7585 { | |
| 7586 sym = new ArrayScopeSymbol(this); | |
| 7587 sym->loc = loc; | |
| 7588 sym->parent = sc->scopesym; | |
| 7589 sc = sc->push(sym); | |
| 7590 } | |
| 7591 | |
| 7592 if (lwr) | |
| 7593 { lwr = lwr->semantic(sc); | |
| 7594 lwr = resolveProperties(sc, lwr); | |
| 7595 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7596 } | |
| 7597 if (upr) | |
| 7598 { upr = upr->semantic(sc); | |
| 7599 upr = resolveProperties(sc, upr); | |
| 7600 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7601 } | |
| 7602 | |
| 7603 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7604 sc->pop(); | |
| 7605 | |
| 7606 if (t->ty == Ttuple) | |
| 7607 { | |
| 7608 lwr = lwr->optimize(WANTvalue); | |
| 7609 upr = upr->optimize(WANTvalue); | |
| 7610 uinteger_t i1 = lwr->toUInteger(); | |
| 7611 uinteger_t i2 = upr->toUInteger(); | |
| 7612 | |
| 7613 size_t length; | |
| 7614 TupleExp *te; | |
| 7615 TypeTuple *tup; | |
| 7616 | |
| 7617 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7618 { te = (TupleExp *)e1; | |
| 7619 length = te->exps->dim; | |
| 7620 } | |
| 7621 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7622 { tup = (TypeTuple *)t; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7623 length = Parameter::dim(tup->arguments); |
| 159 | 7624 } |
| 7625 else | |
| 7626 assert(0); | |
| 7627 | |
| 7628 if (i1 <= i2 && i2 <= length) | |
| 7629 { size_t j1 = (size_t) i1; | |
| 7630 size_t j2 = (size_t) i2; | |
| 7631 | |
| 7632 if (e1->op == TOKtuple) | |
| 7633 { Expressions *exps = new Expressions; | |
| 7634 exps->setDim(j2 - j1); | |
| 7635 for (size_t i = 0; i < j2 - j1; i++) | |
| 7636 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7637 exps->data[i] = (void *)e; | |
| 7638 } | |
| 7639 e = new TupleExp(loc, exps); | |
| 7640 } | |
| 7641 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7642 { Parameters *args = new Parameters; |
| 159 | 7643 args->reserve(j2 - j1); |
| 7644 for (size_t i = j1; i < j2; i++) | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7645 { Parameter *arg = Parameter::getNth(tup->arguments, i); |
| 159 | 7646 args->push(arg); |
| 7647 } | |
| 7648 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7649 } | |
| 7650 e = e->semantic(sc); | |
| 7651 } | |
| 7652 else | |
| 7653 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7654 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
7655 e = new IntegerExp(0); |
| 159 | 7656 } |
| 7657 return e; | |
| 7658 } | |
| 7659 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7660 if (t->ty == Tarray) |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7661 { |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7662 type = e1->type; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7663 } |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7664 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7665 type = t->nextOf()->arrayOf(); |
| 159 | 7666 return e; |
| 7667 | |
| 7668 Lerror: | |
| 7669 char *s; | |
| 7670 if (t->ty == Tvoid) | |
| 7671 s = e1->toChars(); | |
| 7672 else | |
| 7673 s = t->toChars(); | |
| 7674 error("%s cannot be sliced with []", s); | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7675 e = new ErrorExp(); |
| 159 | 7676 return e; |
| 7677 } | |
| 7678 | |
| 7679 void SliceExp::checkEscape() | |
| 7680 { | |
| 7681 e1->checkEscape(); | |
| 7682 } | |
| 7683 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7684 void SliceExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7685 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7686 e1->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7687 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7688 |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7689 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7690 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7691 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7692 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7693 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7694 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7695 |
| 159 | 7696 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7697 { | |
| 7698 return this; | |
| 7699 } | |
| 7700 | |
| 7701 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7702 { | |
| 7703 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7704 return this; | |
| 7705 } | |
| 7706 | |
| 7707 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7708 { | |
| 7709 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7710 buf->writeByte('['); | |
| 7711 if (upr || lwr) | |
| 7712 { | |
| 7713 if (lwr) | |
| 7714 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7715 else | |
| 7716 buf->writeByte('0'); | |
| 7717 buf->writestring(".."); | |
| 7718 if (upr) | |
| 7719 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7720 else | |
| 7721 buf->writestring("length"); // BUG: should be array.length | |
| 7722 } | |
| 7723 buf->writeByte(']'); | |
| 7724 } | |
| 7725 | |
| 7726 /********************** ArrayLength **************************************/ | |
| 7727 | |
| 7728 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7729 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7730 { | |
| 7731 } | |
| 7732 | |
| 7733 Expression *ArrayLengthExp::semantic(Scope *sc) | |
|
1618
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parents:
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diff
changeset
|
7734 { |
| 159 | 7735 #if LOGSEMANTIC |
| 7736 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7737 #endif | |
| 7738 if (!type) | |
| 7739 { | |
| 7740 UnaExp::semantic(sc); | |
| 7741 e1 = resolveProperties(sc, e1); | |
| 7742 | |
| 7743 type = Type::tsize_t; | |
| 7744 } | |
| 7745 return this; | |
| 7746 } | |
| 7747 | |
| 7748 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7749 { | |
| 7750 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7751 buf->writestring(".length"); | |
| 7752 } | |
| 7753 | |
| 7754 /*********************** ArrayExp *************************************/ | |
| 7755 | |
| 7756 // e1 [ i1, i2, i3, ... ] | |
| 7757 | |
| 7758 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7759 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7760 { | |
| 7761 arguments = args; | |
| 7762 } | |
| 7763 | |
| 7764 Expression *ArrayExp::syntaxCopy() | |
| 7765 { | |
| 7766 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7767 } | |
| 7768 | |
| 7769 Expression *ArrayExp::semantic(Scope *sc) | |
| 7770 { Expression *e; | |
| 7771 Type *t1; | |
| 7772 | |
| 7773 #if LOGSEMANTIC | |
| 7774 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7775 #endif | |
| 7776 UnaExp::semantic(sc); | |
| 7777 e1 = resolveProperties(sc, e1); | |
| 7778 | |
| 7779 t1 = e1->type->toBasetype(); | |
| 7780 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7781 { // Convert to IndexExp | |
| 7782 if (arguments->dim != 1) | |
| 7783 error("only one index allowed to index %s", t1->toChars()); | |
| 7784 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7785 return e->semantic(sc); | |
| 7786 } | |
| 7787 | |
| 7788 // Run semantic() on each argument | |
| 7789 for (size_t i = 0; i < arguments->dim; i++) | |
| 7790 { e = (Expression *)arguments->data[i]; | |
| 7791 | |
| 7792 e = e->semantic(sc); | |
| 7793 if (!e->type) | |
| 7794 error("%s has no value", e->toChars()); | |
| 7795 arguments->data[i] = (void *)e; | |
| 7796 } | |
| 7797 | |
| 7798 expandTuples(arguments); | |
| 7799 assert(arguments && arguments->dim); | |
| 7800 | |
| 7801 e = op_overload(sc); | |
| 7802 if (!e) | |
| 7803 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7804 e = e1; | |
| 7805 } | |
| 7806 return e; | |
| 7807 } | |
| 7808 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7809 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7810 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7811 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7812 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7813 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7814 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7815 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7816 #endif |
| 159 | 7817 |
| 7818 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7819 { | |
| 7820 if (type && type->toBasetype()->ty == Tvoid) | |
| 7821 error("voids have no value"); | |
| 7822 return this; | |
| 7823 } | |
| 7824 | |
| 7825 | |
| 7826 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7827 { int i; | |
| 7828 | |
| 7829 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7830 buf->writeByte('['); | |
| 7831 argsToCBuffer(buf, arguments, hgs); | |
| 7832 buf->writeByte(']'); | |
| 7833 } | |
| 7834 | |
| 7835 /************************* DotExp ***********************************/ | |
| 7836 | |
| 7837 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7838 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7839 { | |
| 7840 } | |
| 7841 | |
| 7842 Expression *DotExp::semantic(Scope *sc) | |
| 7843 { | |
| 7844 #if LOGSEMANTIC | |
| 7845 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7846 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7847 #endif | |
| 7848 e1 = e1->semantic(sc); | |
| 7849 e2 = e2->semantic(sc); | |
| 7850 if (e2->op == TOKimport) | |
| 7851 { | |
| 7852 ScopeExp *se = (ScopeExp *)e2; | |
| 7853 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7854 if (td) | |
| 7855 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7856 e = e->semantic(sc); | |
| 7857 return e; | |
| 7858 } | |
| 7859 } | |
| 7860 if (!type) | |
| 7861 type = e2->type; | |
| 7862 return this; | |
| 7863 } | |
| 7864 | |
| 7865 | |
| 7866 /************************* CommaExp ***********************************/ | |
| 7867 | |
| 7868 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7869 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7870 { | |
| 7871 } | |
| 7872 | |
| 7873 Expression *CommaExp::semantic(Scope *sc) | |
| 7874 { | |
| 7875 if (!type) | |
| 7876 { BinExp::semanticp(sc); | |
| 7877 type = e2->type; | |
| 7878 } | |
| 7879 return this; | |
| 7880 } | |
| 7881 | |
| 7882 void CommaExp::checkEscape() | |
| 7883 { | |
| 7884 e2->checkEscape(); | |
| 7885 } | |
| 7886 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7887 void CommaExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7888 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7889 e2->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7890 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7891 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7892 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7893 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7894 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7895 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7896 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7897 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7898 |
| 159 | 7899 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7900 { | |
| 7901 e2 = e2->toLvalue(sc, NULL); | |
| 7902 return this; | |
| 7903 } | |
| 7904 | |
| 7905 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7906 { | |
| 7907 e2 = e2->modifiableLvalue(sc, e); | |
| 7908 return this; | |
| 7909 } | |
| 7910 | |
| 7911 int CommaExp::isBool(int result) | |
| 7912 { | |
| 7913 return e2->isBool(result); | |
| 7914 } | |
| 7915 | |
| 7916 int CommaExp::checkSideEffect(int flag) | |
| 7917 { | |
| 7918 if (flag == 2) | |
| 7919 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7920 else | |
| 7921 { | |
| 7922 // Don't check e1 until we cast(void) the a,b code generation | |
| 7923 return e2->checkSideEffect(flag); | |
| 7924 } | |
| 7925 } | |
| 7926 | |
| 7927 /************************** IndexExp **********************************/ | |
| 7928 | |
| 7929 // e1 [ e2 ] | |
| 7930 | |
| 7931 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7932 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7933 { | |
| 7934 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7935 lengthVar = NULL; | |
| 7936 modifiable = 0; // assume it is an rvalue | |
| 7937 } | |
| 7938 | |
| 7939 Expression *IndexExp::semantic(Scope *sc) | |
| 7940 { Expression *e; | |
| 7941 BinExp *b; | |
| 7942 UnaExp *u; | |
| 7943 Type *t1; | |
| 7944 ScopeDsymbol *sym; | |
| 7945 | |
| 7946 #if LOGSEMANTIC | |
| 7947 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7948 #endif | |
| 7949 if (type) | |
| 7950 return this; | |
| 7951 if (!e1->type) | |
| 7952 e1 = e1->semantic(sc); | |
| 7953 assert(e1->type); // semantic() should already be run on it | |
| 7954 e = this; | |
| 7955 | |
| 7956 // Note that unlike C we do not implement the int[ptr] | |
| 7957 | |
| 7958 t1 = e1->type->toBasetype(); | |
| 7959 | |
| 7960 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7961 { // Create scope for 'length' variable | |
| 7962 sym = new ArrayScopeSymbol(this); | |
| 7963 sym->loc = loc; | |
| 7964 sym->parent = sc->scopesym; | |
| 7965 sc = sc->push(sym); | |
| 7966 } | |
| 7967 | |
| 7968 e2 = e2->semantic(sc); | |
| 7969 if (!e2->type) | |
| 7970 { | |
| 7971 error("%s has no value", e2->toChars()); | |
| 7972 e2->type = Type::terror; | |
| 7973 } | |
| 7974 e2 = resolveProperties(sc, e2); | |
| 7975 | |
| 7976 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7977 sc = sc->pop(); | |
| 7978 | |
| 7979 switch (t1->ty) | |
| 7980 { | |
| 7981 case Tpointer: | |
| 7982 case Tarray: | |
| 7983 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7984 e->type = t1->next; | |
| 7985 break; | |
| 7986 | |
| 7987 case Tsarray: | |
| 7988 { | |
| 7989 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7990 | |
| 7991 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7992 | |
| 7993 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7994 // Do compile time array bounds checking if possible | |
| 7995 e2 = e2->optimize(WANTvalue); | |
| 7996 if (e2->op == TOKint64) | |
| 7997 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7998 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7999 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 8000 if (index < 0 || index >= length) |
| 8001 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 8002 index, length); | |
| 8003 } | |
| 8004 #endif | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8005 e->type = t1->nextOf(); |
| 159 | 8006 break; |
| 8007 } | |
| 8008 | |
| 8009 case Taarray: | |
| 8010 { TypeAArray *taa = (TypeAArray *)t1; | |
| 8011 | |
| 8012 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 8013 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 8014 type = taa->next; | |
| 8015 break; | |
| 8016 } | |
| 8017 | |
| 8018 case Ttuple: | |
| 8019 { | |
| 8020 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 8021 e2 = e2->optimize(WANTvalue); | |
| 8022 uinteger_t index = e2->toUInteger(); | |
| 8023 size_t length; | |
| 8024 TupleExp *te; | |
| 8025 TypeTuple *tup; | |
| 8026 | |
| 8027 if (e1->op == TOKtuple) | |
| 8028 { te = (TupleExp *)e1; | |
| 8029 length = te->exps->dim; | |
| 8030 } | |
| 8031 else if (e1->op == TOKtype) | |
| 8032 { | |
| 8033 tup = (TypeTuple *)t1; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
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parents:
1605
diff
changeset
|
8034 length = Parameter::dim(tup->arguments); |
| 159 | 8035 } |
| 8036 else | |
| 8037 assert(0); | |
| 8038 | |
| 8039 if (index < length) | |
| 8040 { | |
| 8041 | |
| 8042 if (e1->op == TOKtuple) | |
| 8043 e = (Expression *)te->exps->data[(size_t)index]; | |
| 8044 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
8045 e = new TypeExp(e1->loc, Parameter::getNth(tup->arguments, (size_t)index)->type); |
| 159 | 8046 } |
| 8047 else | |
| 8048 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
8049 error("array index [%ju] is outside array bounds [0 .. %zu]", |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
8050 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
8051 e = e1; |
| 159 | 8052 } |
| 8053 break; | |
| 8054 } | |
| 8055 | |
| 8056 default: | |
| 8057 error("%s must be an array or pointer type, not %s", | |
| 8058 e1->toChars(), e1->type->toChars()); | |
| 8059 type = Type::tint32; | |
| 8060 break; | |
| 8061 } | |
| 8062 return e; | |
| 8063 } | |
| 8064 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8065 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
8066 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8067 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8068 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8069 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8070 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8071 |
| 159 | 8072 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 8073 { | |
| 8074 // if (type && type->toBasetype()->ty == Tvoid) | |
| 8075 // error("voids have no value"); | |
| 8076 return this; | |
| 8077 } | |
| 8078 | |
| 8079 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 8080 { | |
| 8081 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 8082 modifiable = 1; | |
| 8083 if (e1->op == TOKstring) | |
| 8084 error("string literals are immutable"); | |
| 8085 if (e1->type->toBasetype()->ty == Taarray) | |
| 8086 e1 = e1->modifiableLvalue(sc, e1); | |
| 8087 return toLvalue(sc, e); | |
| 8088 } | |
| 8089 | |
| 8090 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8091 { | |
| 8092 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 8093 buf->writeByte('['); | |
| 8094 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 8095 buf->writeByte(']'); | |
| 8096 } | |
| 8097 | |
| 8098 | |
| 8099 /************************* PostExp ***********************************/ | |
| 8100 | |
| 8101 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 8102 : BinExp(loc, op, sizeof(PostExp), e, | |
| 8103 new IntegerExp(loc, 1, Type::tint32)) | |
| 8104 { | |
| 8105 } | |
| 8106 | |
| 8107 Expression *PostExp::semantic(Scope *sc) | |
| 8108 { Expression *e = this; | |
| 8109 | |
| 8110 if (!type) | |
| 8111 { | |
| 8112 BinExp::semantic(sc); | |
| 8113 e2 = resolveProperties(sc, e2); | |
| 8114 | |
| 8115 e = op_overload(sc); | |
| 8116 if (e) | |
| 8117 return e; | |
| 8118 | |
| 8119 e = this; | |
| 8120 e1 = e1->modifiableLvalue(sc, e1); | |
| 8121 e1->checkScalar(); | |
| 8122 e1->checkNoBool(); | |
| 8123 if (e1->type->ty == Tpointer) | |
| 8124 e = scaleFactor(sc); | |
| 8125 else | |
| 8126 e2 = e2->castTo(sc, e1->type); | |
| 8127 e->type = e1->type; | |
| 8128 } | |
| 8129 return e; | |
| 8130 } | |
| 8131 | |
| 8132 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8133 { | |
| 8134 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 8135 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 8136 } | |
| 8137 | |
| 8138 /************************************************************/ | |
| 8139 | |
| 1587 | 8140 /* op can be TOKassign, TOKconstruct, or TOKblit */ |
| 159 | 8141 |
| 8142 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8143 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 8144 { | |
| 8145 ismemset = 0; | |
| 8146 } | |
| 8147 | |
| 8148 Expression *AssignExp::semantic(Scope *sc) | |
| 1587 | 8149 { |
| 159 | 8150 Expression *e1old = e1; |
| 8151 | |
| 8152 #if LOGSEMANTIC | |
| 8153 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 8154 #endif | |
| 8155 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 1587 | 8156 //printf("e2->op = %d, '%s'\n", e2->op, Token::toChars(e2->op)); |
| 8157 | |
| 8158 if (type) | |
| 8159 return this; | |
| 8160 | |
| 8161 if (e2->op == TOKcomma) | |
| 8162 { /* Rewrite to get rid of the comma from rvalue | |
| 8163 */ | |
| 8164 AssignExp *ea = new AssignExp(loc, e1, ((CommaExp *)e2)->e2); | |
| 8165 ea->op = op; | |
| 8166 Expression *e = new CommaExp(loc, ((CommaExp *)e2)->e1, ea); | |
| 8167 return e->semantic(sc); | |
| 8168 } | |
| 159 | 8169 |
| 8170 /* Look for operator overloading of a[i]=value. | |
| 8171 * Do it before semantic() otherwise the a[i] will have been | |
| 8172 * converted to a.opIndex() already. | |
| 8173 */ | |
| 8174 if (e1->op == TOKarray) | |
| 1587 | 8175 { |
| 159 | 8176 ArrayExp *ae = (ArrayExp *)e1; |
| 8177 AggregateDeclaration *ad; | |
| 8178 Identifier *id = Id::index; | |
| 8179 | |
| 8180 ae->e1 = ae->e1->semantic(sc); | |
| 1587 | 8181 Type *t1 = ae->e1->type->toBasetype(); |
| 159 | 8182 if (t1->ty == Tstruct) |
| 8183 { | |
| 8184 ad = ((TypeStruct *)t1)->sym; | |
| 8185 goto L1; | |
| 8186 } | |
| 8187 else if (t1->ty == Tclass) | |
| 8188 { | |
| 8189 ad = ((TypeClass *)t1)->sym; | |
| 8190 L1: | |
| 8191 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 8192 if (search_function(ad, Id::indexass)) | |
| 8193 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 8194 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 8195 | |
| 8196 a->insert(0, e2); | |
| 8197 e = new CallExp(loc, e, a); | |
| 8198 e = e->semantic(sc); | |
| 8199 return e; | |
| 8200 } | |
| 8201 else | |
| 8202 { | |
| 8203 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 8204 if (search_function(ad, id)) | |
| 8205 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 8206 | |
| 8207 if (1 || !global.params.useDeprecated) | |
| 8208 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 8209 | |
| 8210 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 8211 e = e->semantic(sc); | |
| 8212 return e; | |
| 8213 } | |
| 8214 } | |
| 8215 } | |
| 8216 } | |
| 8217 /* Look for operator overloading of a[i..j]=value. | |
| 8218 * Do it before semantic() otherwise the a[i..j] will have been | |
| 8219 * converted to a.opSlice() already. | |
| 8220 */ | |
| 8221 if (e1->op == TOKslice) | |
| 8222 { Type *t1; | |
| 8223 SliceExp *ae = (SliceExp *)e1; | |
| 8224 AggregateDeclaration *ad; | |
| 8225 Identifier *id = Id::index; | |
| 8226 | |
| 8227 ae->e1 = ae->e1->semantic(sc); | |
| 8228 ae->e1 = resolveProperties(sc, ae->e1); | |
| 8229 t1 = ae->e1->type->toBasetype(); | |
| 8230 if (t1->ty == Tstruct) | |
| 8231 { | |
| 8232 ad = ((TypeStruct *)t1)->sym; | |
| 8233 goto L2; | |
| 8234 } | |
| 8235 else if (t1->ty == Tclass) | |
| 8236 { | |
| 8237 ad = ((TypeClass *)t1)->sym; | |
| 8238 L2: | |
| 8239 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 8240 if (search_function(ad, Id::sliceass)) | |
| 8241 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 8242 Expressions *a = new Expressions(); | |
| 8243 | |
| 8244 a->push(e2); | |
| 8245 if (ae->lwr) | |
| 8246 { a->push(ae->lwr); | |
| 8247 assert(ae->upr); | |
| 8248 a->push(ae->upr); | |
| 8249 } | |
| 8250 else | |
| 8251 assert(!ae->upr); | |
| 8252 e = new CallExp(loc, e, a); | |
| 8253 e = e->semantic(sc); | |
| 8254 return e; | |
| 8255 } | |
| 8256 } | |
| 8257 } | |
| 8258 | |
| 8259 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8260 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8261 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8262 { // Rewrite a.b=e2, when b is a template, as a.b(e2) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8263 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8264 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8265 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8266 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8267 |
| 159 | 8268 e2 = resolveProperties(sc, e2); |
| 8269 assert(e1->type); | |
| 8270 | |
| 8271 /* Rewrite tuple assignment as a tuple of assignments. | |
| 8272 */ | |
| 8273 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 8274 { TupleExp *tup1 = (TupleExp *)e1; | |
| 8275 TupleExp *tup2 = (TupleExp *)e2; | |
| 8276 size_t dim = tup1->exps->dim; | |
| 8277 if (dim != tup2->exps->dim) | |
| 8278 { | |
| 8279 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 8280 } | |
| 8281 else | |
| 8282 { Expressions *exps = new Expressions; | |
| 8283 exps->setDim(dim); | |
| 8284 | |
| 8285 for (int i = 0; i < dim; i++) | |
| 8286 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 8287 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 8288 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 8289 } | |
| 8290 Expression *e = new TupleExp(loc, exps); | |
| 8291 e = e->semantic(sc); | |
| 8292 return e; | |
| 8293 } | |
| 8294 } | |
| 8295 | |
| 1587 | 8296 // Determine if this is an initialization of a reference |
| 8297 int refinit = 0; | |
| 8298 if (op == TOKconstruct && e1->op == TOKvar) | |
| 8299 { VarExp *ve = (VarExp *)e1; | |
| 8300 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 8301 if (v->storage_class & (STCout | STCref)) | |
| 8302 refinit = 1; | |
| 8303 } | |
| 8304 | |
| 8305 Type *t1 = e1->type->toBasetype(); | |
| 159 | 8306 |
| 8307 if (t1->ty == Tfunction) | |
| 8308 { // Rewrite f=value to f(value) | |
| 1587 | 8309 Expression *e = new CallExp(loc, e1, e2); |
| 159 | 8310 e = e->semantic(sc); |
| 8311 return e; | |
| 8312 } | |
| 8313 | |
| 8314 /* If it is an assignment from a 'foreign' type, | |
| 8315 * check for operator overloading. | |
| 8316 */ | |
| 8317 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 8318 { | |
| 8319 if (!e2->type->implicitConvTo(e1->type)) | |
| 8320 { | |
| 8321 Expression *e = op_overload(sc); | |
| 8322 if (e) | |
| 8323 return e; | |
| 8324 } | |
| 8325 } | |
| 8326 | |
| 8327 e2->rvalue(); | |
| 8328 | |
| 8329 if (e1->op == TOKarraylength) | |
| 8330 { | |
| 8331 // e1 is not an lvalue, but we let code generator handle it | |
| 8332 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 8333 | |
| 8334 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 8335 } | |
| 8336 else if (e1->op == TOKslice) | |
| 8337 ; | |
| 8338 else | |
| 8339 { // Try to do a decent error message with the expression | |
| 8340 // before it got constant folded | |
| 1587 | 8341 if (op != TOKconstruct) |
| 8342 e1 = e1->modifiableLvalue(sc, e1old); | |
| 159 | 8343 } |
| 8344 | |
| 8345 if (e1->op == TOKslice && | |
| 8346 t1->nextOf() && | |
| 8347 e2->implicitConvTo(t1->nextOf()) | |
| 8348 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 8349 ) | |
| 8350 { // memset | |
| 8351 ismemset = 1; // make it easy for back end to tell what this is | |
| 8352 e2 = e2->implicitCastTo(sc, t1->next); | |
| 8353 } | |
| 1587 | 8354 else if (t1->ty == Tsarray && !refinit) |
| 159 | 8355 { |
| 8356 error("cannot assign to static array %s", e1->toChars()); | |
| 8357 } | |
| 8358 else | |
| 8359 { | |
| 8360 e2 = e2->implicitCastTo(sc, e1->type); | |
| 8361 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8362 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8363 /* Look for array operations |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8364 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8365 if (e1->op == TOKslice && !ismemset && |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8366 (e2->op == TOKadd || e2->op == TOKmin || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8367 e2->op == TOKmul || e2->op == TOKdiv || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8368 e2->op == TOKmod || e2->op == TOKxor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8369 e2->op == TOKand || e2->op == TOKor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8370 e2->op == TOKtilde || e2->op == TOKneg)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8371 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8372 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8373 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8374 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8375 |
| 159 | 8376 type = e1->type; |
| 8377 assert(type); | |
| 8378 return this; | |
| 8379 } | |
| 8380 | |
| 8381 Expression *AssignExp::checkToBoolean() | |
| 8382 { | |
| 8383 // Things like: | |
| 8384 // if (a = b) ... | |
| 8385 // are usually mistakes. | |
| 8386 | |
| 8387 error("'=' does not give a boolean result"); | |
| 8388 return this; | |
| 8389 } | |
| 8390 | |
| 8391 /************************************************************/ | |
| 8392 | |
| 8393 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8394 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 8395 { | |
| 8396 } | |
| 8397 | |
| 8398 Expression *AddAssignExp::semantic(Scope *sc) | |
| 8399 { Expression *e; | |
| 8400 | |
| 8401 if (type) | |
| 8402 return this; | |
| 8403 | |
| 8404 BinExp::semantic(sc); | |
| 8405 e2 = resolveProperties(sc, e2); | |
| 8406 | |
| 8407 e = op_overload(sc); | |
| 8408 if (e) | |
| 8409 return e; | |
| 8410 | |
| 8411 Type *tb1 = e1->type->toBasetype(); | |
| 8412 Type *tb2 = e2->type->toBasetype(); | |
| 8413 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8414 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8415 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8416 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8417 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8418 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8419 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8420 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8421 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8422 e1 = e1->modifiableLvalue(sc, e1); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8423 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8424 |
| 159 | 8425 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8426 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8427 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8428 ) |
| 8429 { | |
| 8430 type = e1->type; | |
| 8431 e = this; | |
| 8432 } | |
| 8433 else | |
| 8434 { | |
| 8435 e1->checkScalar(); | |
| 8436 e1->checkNoBool(); | |
| 8437 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8438 e = scaleFactor(sc); | |
| 8439 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8440 { | |
| 8441 #if 0 | |
| 8442 // Need to rethink this | |
| 8443 if (e1->op != TOKvar) | |
| 8444 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8445 VarDeclaration *v; | |
| 8446 Expression *ea; | |
| 8447 Expression *ex; | |
| 8448 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8449 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8450 |
| 8451 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8452 v->semantic(sc); | |
| 8453 if (!sc->insert(v)) | |
| 8454 assert(0); | |
| 8455 v->parent = sc->func; | |
| 8456 | |
| 8457 ea = new AddrExp(loc, e1); | |
| 8458 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8459 | |
| 8460 ex = new VarExp(loc, v); | |
| 8461 ex = new PtrExp(loc, ex); | |
| 8462 e = new AddExp(loc, ex, e2); | |
| 8463 e = new CastExp(loc, e, e1->type); | |
| 8464 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8465 | |
| 8466 e = new CommaExp(loc, ea, e); | |
| 8467 } | |
| 8468 else | |
| 8469 #endif | |
| 8470 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8471 // BUG: doesn't account for side effects in e1 | |
| 8472 // BUG: other assignment operators for bits aren't handled at all | |
| 8473 e = new AddExp(loc, e1, e2); | |
| 8474 e = new CastExp(loc, e, e1->type); | |
| 8475 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8476 } | |
| 8477 e = e->semantic(sc); | |
| 8478 } | |
| 8479 else | |
| 8480 { | |
| 8481 type = e1->type; | |
| 8482 typeCombine(sc); | |
| 8483 e1->checkArithmetic(); | |
| 8484 e2->checkArithmetic(); | |
| 1587 | 8485 checkComplexAddAssign(); |
| 159 | 8486 if (type->isreal() || type->isimaginary()) |
| 8487 { | |
| 8488 assert(global.errors || e2->type->isfloating()); | |
| 8489 e2 = e2->castTo(sc, e1->type); | |
| 8490 } | |
| 8491 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8492 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8493 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8494 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8495 } |
| 8496 } | |
| 8497 return e; | |
| 8498 } | |
| 8499 | |
| 8500 /************************************************************/ | |
| 8501 | |
| 8502 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8503 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8504 { | |
| 8505 } | |
| 8506 | |
| 8507 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8508 { Expression *e; | |
| 8509 | |
| 8510 if (type) | |
| 8511 return this; | |
| 8512 | |
| 8513 BinExp::semantic(sc); | |
| 8514 e2 = resolveProperties(sc, e2); | |
| 8515 | |
| 8516 e = op_overload(sc); | |
| 8517 if (e) | |
| 8518 return e; | |
| 8519 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8520 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8521 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8522 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8523 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8524 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8525 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8526 |
| 159 | 8527 e1 = e1->modifiableLvalue(sc, e1); |
| 8528 e1->checkScalar(); | |
| 8529 e1->checkNoBool(); | |
| 8530 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8531 e = scaleFactor(sc); | |
| 8532 else | |
| 8533 { | |
| 8534 e1 = e1->checkArithmetic(); | |
| 8535 e2 = e2->checkArithmetic(); | |
| 1587 | 8536 checkComplexAddAssign(); |
| 159 | 8537 type = e1->type; |
| 8538 typeCombine(sc); | |
| 8539 if (type->isreal() || type->isimaginary()) | |
| 8540 { | |
| 8541 assert(e2->type->isfloating()); | |
| 8542 e2 = e2->castTo(sc, e1->type); | |
| 8543 } | |
| 8544 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8545 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8546 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8547 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8548 } |
| 8549 return e; | |
| 8550 } | |
| 8551 | |
| 8552 /************************************************************/ | |
| 8553 | |
| 8554 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8555 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8556 { | |
| 8557 } | |
| 8558 | |
| 8559 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8560 { Expression *e; | |
| 8561 | |
| 8562 BinExp::semantic(sc); | |
| 8563 e2 = resolveProperties(sc, e2); | |
| 8564 | |
| 8565 e = op_overload(sc); | |
| 8566 if (e) | |
| 8567 return e; | |
| 8568 | |
| 8569 if (e1->op == TOKslice) | |
| 8570 { SliceExp *se = (SliceExp *)e1; | |
| 8571 | |
| 8572 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8573 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8574 } | |
| 8575 | |
| 8576 e1 = e1->modifiableLvalue(sc, e1); | |
| 8577 | |
| 8578 Type *tb1 = e1->type->toBasetype(); | |
| 8579 Type *tb2 = e2->type->toBasetype(); | |
| 8580 | |
| 8581 e2->rvalue(); | |
| 8582 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8583 Type *tb1next = tb1->nextOf(); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8584 |
| 159 | 8585 if ((tb1->ty == Tarray) && |
| 8586 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8587 (e2->implicitConvTo(e1->type) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8588 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8589 || tb2->nextOf()->implicitConvTo(tb1next) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8590 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8591 ) |
| 159 | 8592 ) |
| 8593 { // Append array | |
| 8594 e2 = e2->castTo(sc, e1->type); | |
| 8595 type = e1->type; | |
| 8596 e = this; | |
| 8597 } | |
| 8598 else if ((tb1->ty == Tarray) && | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8599 e2->implicitConvTo(tb1next) |
| 159 | 8600 ) |
| 8601 { // Append element | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8602 e2 = e2->castTo(sc, tb1next); |
| 159 | 8603 type = e1->type; |
| 8604 e = this; | |
|
1629
b07d683ba4d0
Disable appending a dchar to a char or wchar array for now.
Christian Kamm <kamm incasoftware de>
parents:
1627
diff
changeset
|
8605 // Reenable when _d_arrayappendwd and cd are in the runtime. |
|
b07d683ba4d0
Disable appending a dchar to a char or wchar array for now.
Christian Kamm <kamm incasoftware de>
parents:
1627
diff
changeset
|
8606 /* } |
|
b07d683ba4d0
Disable appending a dchar to a char or wchar array for now.
Christian Kamm <kamm incasoftware de>
parents:
1627
diff
changeset
|
8607 |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8608 else if (tb1->ty == Tarray && |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8609 (tb1next->ty == Tchar || tb1next->ty == Twchar) && |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8610 e2->implicitConvTo(Type::tdchar) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8611 ) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8612 { // Append dchar to char[] or wchar[] |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8613 e2 = e2->castTo(sc, Type::tdchar); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8614 type = e1->type; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8615 e = this; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8616 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8617 /* Do not allow appending wchar to char[] because if wchar happens |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8618 * to be a surrogate pair, nothing good can result. |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8619 */ |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8620 } |
| 159 | 8621 else |
| 8622 { | |
| 8623 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8624 e = new ErrorExp(); |
| 159 | 8625 } |
| 8626 return e; | |
| 8627 } | |
| 8628 | |
| 8629 /************************************************************/ | |
| 8630 | |
| 8631 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8632 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8633 { | |
| 8634 } | |
| 8635 | |
| 8636 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8637 { Expression *e; | |
| 8638 | |
| 8639 BinExp::semantic(sc); | |
| 8640 e2 = resolveProperties(sc, e2); | |
| 8641 | |
| 8642 e = op_overload(sc); | |
| 8643 if (e) | |
| 8644 return e; | |
| 8645 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8646 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8647 if (e1->op == TOKarraylength) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8648 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8649 e = ArrayLengthExp::rewriteOpAssign(this); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8650 e = e->semantic(sc); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8651 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8652 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8653 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8654 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8655 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8656 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8657 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8658 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8659 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8660 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8661 |
| 159 | 8662 e1 = e1->modifiableLvalue(sc, e1); |
| 8663 e1->checkScalar(); | |
| 8664 e1->checkNoBool(); | |
| 8665 type = e1->type; | |
| 8666 typeCombine(sc); | |
| 8667 e1->checkArithmetic(); | |
| 8668 e2->checkArithmetic(); | |
| 1587 | 8669 checkComplexMulAssign(); |
| 159 | 8670 if (e2->type->isfloating()) |
| 8671 { Type *t1; | |
| 8672 Type *t2; | |
| 8673 | |
| 8674 t1 = e1->type; | |
| 8675 t2 = e2->type; | |
| 8676 if (t1->isreal()) | |
| 8677 { | |
| 8678 if (t2->isimaginary() || t2->iscomplex()) | |
| 8679 { | |
| 8680 e2 = e2->castTo(sc, t1); | |
| 8681 } | |
| 8682 } | |
| 8683 else if (t1->isimaginary()) | |
| 8684 { | |
| 8685 if (t2->isimaginary() || t2->iscomplex()) | |
| 8686 { | |
| 8687 switch (t1->ty) | |
| 8688 { | |
| 8689 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8690 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8691 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8692 default: | |
| 8693 assert(0); | |
| 8694 } | |
| 8695 e2 = e2->castTo(sc, t2); | |
| 8696 } | |
| 8697 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8698 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8699 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8700 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8701 } |
| 8702 return this; | |
| 8703 } | |
| 8704 | |
| 8705 /************************************************************/ | |
| 8706 | |
| 8707 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8708 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8709 { | |
| 8710 } | |
| 8711 | |
| 8712 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8713 { Expression *e; | |
| 8714 | |
| 8715 BinExp::semantic(sc); | |
| 8716 e2 = resolveProperties(sc, e2); | |
| 8717 | |
| 8718 e = op_overload(sc); | |
| 8719 if (e) | |
| 8720 return e; | |
| 8721 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8722 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8723 if (e1->op == TOKarraylength) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8724 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8725 e = ArrayLengthExp::rewriteOpAssign(this); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8726 e = e->semantic(sc); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8727 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8728 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8729 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8730 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8731 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8732 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8733 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8734 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8735 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8736 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8737 |
| 159 | 8738 e1 = e1->modifiableLvalue(sc, e1); |
| 8739 e1->checkScalar(); | |
| 8740 e1->checkNoBool(); | |
| 8741 type = e1->type; | |
| 8742 typeCombine(sc); | |
| 8743 e1->checkArithmetic(); | |
| 8744 e2->checkArithmetic(); | |
| 1587 | 8745 checkComplexMulAssign(); |
| 159 | 8746 if (e2->type->isimaginary()) |
| 8747 { Type *t1; | |
| 8748 Type *t2; | |
| 8749 | |
| 8750 t1 = e1->type; | |
| 8751 if (t1->isreal()) | |
| 8752 { // x/iv = i(-x/v) | |
| 8753 // Therefore, the result is 0 | |
| 8754 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8755 e2->type = t1; | |
| 8756 e = new AssignExp(loc, e1, e2); | |
| 8757 e->type = t1; | |
| 8758 return e; | |
| 8759 } | |
| 8760 else if (t1->isimaginary()) | |
| 8761 { Expression *e; | |
| 8762 | |
| 8763 switch (t1->ty) | |
| 8764 { | |
| 8765 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8766 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8767 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8768 default: | |
| 8769 assert(0); | |
| 8770 } | |
| 8771 e2 = e2->castTo(sc, t2); | |
| 8772 e = new AssignExp(loc, e1, e2); | |
| 8773 e->type = t1; | |
| 8774 return e; | |
| 8775 } | |
| 8776 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8777 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8778 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8779 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8780 |
| 159 | 8781 return this; |
| 8782 } | |
| 8783 | |
| 8784 /************************************************************/ | |
| 8785 | |
| 8786 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8787 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8788 { | |
| 8789 } | |
| 8790 | |
| 8791 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8792 { | |
| 1587 | 8793 BinExp::semantic(sc); |
| 8794 checkComplexMulAssign(); | |
| 159 | 8795 return commonSemanticAssign(sc); |
| 8796 } | |
| 8797 | |
| 8798 /************************************************************/ | |
| 8799 | |
| 8800 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8801 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8802 { | |
| 8803 } | |
| 8804 | |
| 8805 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8806 { Expression *e; | |
| 8807 | |
| 8808 //printf("ShlAssignExp::semantic()\n"); | |
| 8809 BinExp::semantic(sc); | |
| 8810 e2 = resolveProperties(sc, e2); | |
| 8811 | |
| 8812 e = op_overload(sc); | |
| 8813 if (e) | |
| 8814 return e; | |
| 8815 | |
| 8816 e1 = e1->modifiableLvalue(sc, e1); | |
| 8817 e1->checkScalar(); | |
| 8818 e1->checkNoBool(); | |
| 8819 type = e1->type; | |
| 8820 typeCombine(sc); | |
| 8821 e1->checkIntegral(); | |
| 8822 e2 = e2->checkIntegral(); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8823 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8824 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8825 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8826 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8827 #endif |
| 159 | 8828 return this; |
| 8829 } | |
| 8830 | |
| 8831 /************************************************************/ | |
| 8832 | |
| 8833 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8834 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8835 { | |
| 8836 } | |
| 8837 | |
| 8838 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8839 { Expression *e; | |
| 8840 | |
| 8841 BinExp::semantic(sc); | |
| 8842 e2 = resolveProperties(sc, e2); | |
| 8843 | |
| 8844 e = op_overload(sc); | |
| 8845 if (e) | |
| 8846 return e; | |
| 8847 | |
| 8848 e1 = e1->modifiableLvalue(sc, e1); | |
| 8849 e1->checkScalar(); | |
| 8850 e1->checkNoBool(); | |
| 8851 type = e1->type; | |
| 8852 typeCombine(sc); | |
| 8853 e1->checkIntegral(); | |
| 8854 e2 = e2->checkIntegral(); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8855 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8856 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8857 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8858 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8859 #endif |
| 159 | 8860 return this; |
| 8861 } | |
| 8862 | |
| 8863 /************************************************************/ | |
| 8864 | |
| 8865 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8866 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8867 { | |
| 8868 } | |
| 8869 | |
| 8870 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8871 { Expression *e; | |
| 8872 | |
| 8873 BinExp::semantic(sc); | |
| 8874 e2 = resolveProperties(sc, e2); | |
| 8875 | |
| 8876 e = op_overload(sc); | |
| 8877 if (e) | |
| 8878 return e; | |
| 8879 | |
| 8880 e1 = e1->modifiableLvalue(sc, e1); | |
| 8881 e1->checkScalar(); | |
| 8882 e1->checkNoBool(); | |
| 8883 type = e1->type; | |
| 8884 typeCombine(sc); | |
| 8885 e1->checkIntegral(); | |
| 8886 e2 = e2->checkIntegral(); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8887 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8888 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8889 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8890 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
8891 #endif |
| 159 | 8892 return this; |
| 8893 } | |
| 8894 | |
| 8895 /************************************************************/ | |
| 8896 | |
| 8897 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8898 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8899 { | |
| 8900 } | |
| 8901 | |
| 8902 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8903 { | |
| 8904 return commonSemanticAssignIntegral(sc); | |
| 8905 } | |
| 8906 | |
| 8907 /************************************************************/ | |
| 8908 | |
| 8909 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8910 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8911 { | |
| 8912 } | |
| 8913 | |
| 8914 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8915 { | |
| 8916 return commonSemanticAssignIntegral(sc); | |
| 8917 } | |
| 8918 | |
| 8919 /************************************************************/ | |
| 8920 | |
| 8921 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8922 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8923 { | |
| 8924 } | |
| 8925 | |
| 8926 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8927 { | |
| 8928 return commonSemanticAssignIntegral(sc); | |
| 8929 } | |
| 8930 | |
| 8931 /************************* AddExp *****************************/ | |
| 8932 | |
| 8933 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8934 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8935 { | |
| 8936 } | |
| 8937 | |
| 8938 Expression *AddExp::semantic(Scope *sc) | |
| 8939 { Expression *e; | |
| 8940 | |
| 8941 #if LOGSEMANTIC | |
| 8942 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8943 #endif | |
| 8944 if (!type) | |
| 8945 { | |
| 8946 BinExp::semanticp(sc); | |
| 8947 | |
| 8948 e = op_overload(sc); | |
| 8949 if (e) | |
| 8950 return e; | |
| 8951 | |
| 8952 Type *tb1 = e1->type->toBasetype(); | |
| 8953 Type *tb2 = e2->type->toBasetype(); | |
| 8954 | |
| 8955 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8956 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8957 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8958 ) |
| 8959 { | |
| 8960 type = e1->type; | |
| 8961 e = this; | |
| 8962 } | |
| 8963 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8964 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8965 e = scaleFactor(sc); | |
| 8966 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8967 { | |
| 8968 incompatibleTypes(); | |
| 8969 type = e1->type; | |
| 8970 e = this; | |
| 8971 } | |
| 8972 else | |
| 8973 { | |
| 8974 typeCombine(sc); | |
| 8975 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8976 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8977 { | |
| 8978 switch (type->toBasetype()->ty) | |
| 8979 { | |
| 8980 case Tfloat32: | |
| 8981 case Timaginary32: | |
| 8982 type = Type::tcomplex32; | |
| 8983 break; | |
| 8984 | |
| 8985 case Tfloat64: | |
| 8986 case Timaginary64: | |
| 8987 type = Type::tcomplex64; | |
| 8988 break; | |
| 8989 | |
| 8990 case Tfloat80: | |
| 8991 case Timaginary80: | |
| 8992 type = Type::tcomplex80; | |
| 8993 break; | |
| 8994 | |
| 8995 default: | |
| 8996 assert(0); | |
| 8997 } | |
| 8998 } | |
| 8999 e = this; | |
| 9000 } | |
| 9001 return e; | |
| 9002 } | |
| 9003 return this; | |
| 9004 } | |
| 9005 | |
| 9006 /************************************************************/ | |
| 9007 | |
| 9008 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 9009 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 9010 { | |
| 9011 } | |
| 9012 | |
| 9013 Expression *MinExp::semantic(Scope *sc) | |
| 9014 { Expression *e; | |
| 9015 Type *t1; | |
| 9016 Type *t2; | |
| 9017 | |
| 9018 #if LOGSEMANTIC | |
| 9019 printf("MinExp::semantic('%s')\n", toChars()); | |
| 9020 #endif | |
| 9021 if (type) | |
| 9022 return this; | |
| 9023 | |
| 9024 BinExp::semanticp(sc); | |
| 9025 | |
| 9026 e = op_overload(sc); | |
| 9027 if (e) | |
| 9028 return e; | |
| 9029 | |
| 9030 e = this; | |
| 9031 t1 = e1->type->toBasetype(); | |
| 9032 t2 = e2->type->toBasetype(); | |
| 9033 if (t1->ty == Tpointer) | |
| 9034 { | |
| 9035 if (t2->ty == Tpointer) | |
| 9036 { // Need to divide the result by the stride | |
| 9037 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 9038 d_int64 stride; | |
| 9039 Expression *e; | |
| 9040 | |
| 9041 typeCombine(sc); // make sure pointer types are compatible | |
| 9042 type = Type::tptrdiff_t; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9043 stride = t2->nextOf()->size(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9044 if (stride == 0) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9045 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9046 e = new IntegerExp(loc, 0, Type::tptrdiff_t); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9047 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9048 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9049 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9050 e = new DivExp(loc, this, new IntegerExp(0, stride, Type::tptrdiff_t)); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9051 e->type = Type::tptrdiff_t; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9052 } |
| 159 | 9053 return e; |
| 9054 } | |
| 9055 else if (t2->isintegral()) | |
| 9056 e = scaleFactor(sc); | |
| 9057 else | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9058 { error("incompatible types for minus"); |
| 159 | 9059 return new IntegerExp(0); |
| 9060 } | |
| 9061 } | |
| 9062 else if (t2->ty == Tpointer) | |
| 9063 { | |
| 9064 type = e2->type; | |
| 9065 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 9066 return new IntegerExp(0); | |
| 9067 } | |
| 9068 else | |
| 9069 { | |
| 9070 typeCombine(sc); | |
| 9071 t1 = e1->type->toBasetype(); | |
| 9072 t2 = e2->type->toBasetype(); | |
| 9073 if ((t1->isreal() && t2->isimaginary()) || | |
| 9074 (t1->isimaginary() && t2->isreal())) | |
| 9075 { | |
| 9076 switch (type->ty) | |
| 9077 { | |
| 9078 case Tfloat32: | |
| 9079 case Timaginary32: | |
| 9080 type = Type::tcomplex32; | |
| 9081 break; | |
| 9082 | |
| 9083 case Tfloat64: | |
| 9084 case Timaginary64: | |
| 9085 type = Type::tcomplex64; | |
| 9086 break; | |
| 9087 | |
| 9088 case Tfloat80: | |
| 9089 case Timaginary80: | |
| 9090 type = Type::tcomplex80; | |
| 9091 break; | |
| 9092 | |
| 9093 default: | |
| 9094 assert(0); | |
| 9095 } | |
| 9096 } | |
| 9097 } | |
| 9098 return e; | |
| 9099 } | |
| 9100 | |
| 9101 /************************* CatExp *****************************/ | |
| 9102 | |
| 9103 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 9104 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 9105 { | |
| 9106 } | |
| 9107 | |
| 9108 Expression *CatExp::semantic(Scope *sc) | |
| 9109 { Expression *e; | |
| 9110 | |
| 9111 //printf("CatExp::semantic() %s\n", toChars()); | |
| 9112 if (!type) | |
| 9113 { | |
| 9114 BinExp::semanticp(sc); | |
| 9115 e = op_overload(sc); | |
| 9116 if (e) | |
| 9117 return e; | |
| 9118 | |
| 9119 Type *tb1 = e1->type->toBasetype(); | |
| 9120 Type *tb2 = e2->type->toBasetype(); | |
| 9121 | |
| 9122 | |
| 9123 /* BUG: Should handle things like: | |
| 9124 * char c; | |
| 9125 * c ~ ' ' | |
| 9126 * ' ' ~ c; | |
| 9127 */ | |
| 9128 | |
| 9129 #if 0 | |
| 9130 e1->type->print(); | |
| 9131 e2->type->print(); | |
| 9132 #endif | |
| 9133 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 9134 e2->type->equals(tb1->next)) | |
| 9135 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9136 type = tb1->nextOf()->arrayOf(); |
| 159 | 9137 if (tb2->ty == Tarray) |
| 9138 { // Make e2 into [e2] | |
| 9139 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 9140 e2->type = type; | |
| 9141 } | |
| 9142 return this; | |
| 9143 } | |
| 9144 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 9145 e1->type->equals(tb2->next)) | |
| 9146 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9147 type = tb2->nextOf()->arrayOf(); |
| 159 | 9148 if (tb1->ty == Tarray) |
| 9149 { // Make e1 into [e1] | |
| 9150 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 9151 e1->type = type; | |
| 9152 } | |
| 9153 return this; | |
| 9154 } | |
| 9155 | |
| 9156 typeCombine(sc); | |
| 9157 | |
| 9158 if (type->toBasetype()->ty == Tsarray) | |
| 9159 type = type->toBasetype()->next->arrayOf(); | |
| 9160 #if 0 | |
| 9161 e1->type->print(); | |
| 9162 e2->type->print(); | |
| 9163 type->print(); | |
| 9164 print(); | |
| 9165 #endif | |
| 9166 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 9167 e = optimize(WANTvalue); | |
| 9168 else if (e1->type->equals(e2->type) && | |
| 9169 (e1->type->toBasetype()->ty == Tarray || | |
| 9170 e1->type->toBasetype()->ty == Tsarray)) | |
| 9171 { | |
| 9172 e = this; | |
| 9173 } | |
| 9174 else | |
| 9175 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9176 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 9177 error("Can only concatenate arrays, not (%s ~ %s)", |
| 9178 e1->type->toChars(), e2->type->toChars()); | |
| 9179 type = Type::tint32; | |
| 9180 e = this; | |
| 9181 } | |
| 9182 e->type = e->type->semantic(loc, sc); | |
| 9183 return e; | |
| 9184 } | |
| 9185 return this; | |
| 9186 } | |
| 9187 | |
| 9188 /************************************************************/ | |
| 9189 | |
| 9190 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 9191 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 9192 { | |
| 9193 } | |
| 9194 | |
| 9195 Expression *MulExp::semantic(Scope *sc) | |
| 9196 { Expression *e; | |
| 9197 | |
| 9198 #if 0 | |
| 9199 printf("MulExp::semantic() %s\n", toChars()); | |
| 9200 #endif | |
| 9201 if (type) | |
| 9202 { | |
| 9203 return this; | |
| 9204 } | |
| 9205 | |
| 9206 BinExp::semanticp(sc); | |
| 9207 e = op_overload(sc); | |
| 9208 if (e) | |
| 9209 return e; | |
| 9210 | |
| 9211 typeCombine(sc); | |
| 1587 | 9212 if (!e1->isArrayOperand()) |
| 9213 e1->checkArithmetic(); | |
| 9214 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9215 e2->checkArithmetic(); |
| 159 | 9216 if (type->isfloating()) |
| 9217 { Type *t1 = e1->type; | |
| 9218 Type *t2 = e2->type; | |
| 9219 | |
| 9220 if (t1->isreal()) | |
| 9221 { | |
| 9222 type = t2; | |
| 9223 } | |
| 9224 else if (t2->isreal()) | |
| 9225 { | |
| 9226 type = t1; | |
| 9227 } | |
| 9228 else if (t1->isimaginary()) | |
| 9229 { | |
| 9230 if (t2->isimaginary()) | |
| 9231 { Expression *e; | |
| 9232 | |
| 9233 switch (t1->ty) | |
| 9234 { | |
| 9235 case Timaginary32: type = Type::tfloat32; break; | |
| 9236 case Timaginary64: type = Type::tfloat64; break; | |
| 9237 case Timaginary80: type = Type::tfloat80; break; | |
| 9238 default: assert(0); | |
| 9239 } | |
| 9240 | |
| 9241 // iy * iv = -yv | |
| 9242 e1->type = type; | |
| 9243 e2->type = type; | |
| 9244 e = new NegExp(loc, this); | |
| 9245 e = e->semantic(sc); | |
| 9246 return e; | |
| 9247 } | |
| 9248 else | |
| 9249 type = t2; // t2 is complex | |
| 9250 } | |
| 9251 else if (t2->isimaginary()) | |
| 9252 { | |
| 9253 type = t1; // t1 is complex | |
| 9254 } | |
| 9255 } | |
| 9256 return this; | |
| 9257 } | |
| 9258 | |
| 9259 /************************************************************/ | |
| 9260 | |
| 9261 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 9262 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 9263 { | |
| 9264 } | |
| 9265 | |
| 9266 Expression *DivExp::semantic(Scope *sc) | |
| 9267 { Expression *e; | |
| 9268 | |
| 9269 if (type) | |
| 9270 return this; | |
| 9271 | |
| 9272 BinExp::semanticp(sc); | |
| 9273 e = op_overload(sc); | |
| 9274 if (e) | |
| 9275 return e; | |
| 9276 | |
| 9277 typeCombine(sc); | |
| 1587 | 9278 if (!e1->isArrayOperand()) |
| 9279 e1->checkArithmetic(); | |
| 9280 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9281 e2->checkArithmetic(); |
| 159 | 9282 if (type->isfloating()) |
| 9283 { Type *t1 = e1->type; | |
| 9284 Type *t2 = e2->type; | |
| 9285 | |
| 9286 if (t1->isreal()) | |
| 9287 { | |
| 9288 type = t2; | |
| 9289 if (t2->isimaginary()) | |
| 9290 { Expression *e; | |
| 9291 | |
| 9292 // x/iv = i(-x/v) | |
| 9293 e2->type = t1; | |
| 9294 e = new NegExp(loc, this); | |
| 9295 e = e->semantic(sc); | |
| 9296 return e; | |
| 9297 } | |
| 9298 } | |
| 9299 else if (t2->isreal()) | |
| 9300 { | |
| 9301 type = t1; | |
| 9302 } | |
| 9303 else if (t1->isimaginary()) | |
| 9304 { | |
| 9305 if (t2->isimaginary()) | |
| 9306 { | |
| 9307 switch (t1->ty) | |
| 9308 { | |
| 9309 case Timaginary32: type = Type::tfloat32; break; | |
| 9310 case Timaginary64: type = Type::tfloat64; break; | |
| 9311 case Timaginary80: type = Type::tfloat80; break; | |
| 9312 default: assert(0); | |
| 9313 } | |
| 9314 } | |
| 9315 else | |
| 9316 type = t2; // t2 is complex | |
| 9317 } | |
| 9318 else if (t2->isimaginary()) | |
| 9319 { | |
| 9320 type = t1; // t1 is complex | |
| 9321 } | |
| 9322 } | |
| 9323 return this; | |
| 9324 } | |
| 9325 | |
| 9326 /************************************************************/ | |
| 9327 | |
| 9328 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 9329 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 9330 { | |
| 9331 } | |
| 9332 | |
| 9333 Expression *ModExp::semantic(Scope *sc) | |
| 9334 { Expression *e; | |
| 9335 | |
| 9336 if (type) | |
| 9337 return this; | |
| 9338 | |
| 9339 BinExp::semanticp(sc); | |
| 9340 e = op_overload(sc); | |
| 9341 if (e) | |
| 9342 return e; | |
| 9343 | |
| 9344 typeCombine(sc); | |
| 1587 | 9345 if (!e1->isArrayOperand()) |
| 9346 e1->checkArithmetic(); | |
| 9347 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9348 e2->checkArithmetic(); |
| 159 | 9349 if (type->isfloating()) |
| 9350 { type = e1->type; | |
| 9351 if (e2->type->iscomplex()) | |
| 9352 { error("cannot perform modulo complex arithmetic"); | |
| 9353 return new IntegerExp(0); | |
| 9354 } | |
| 9355 } | |
| 9356 return this; | |
| 9357 } | |
| 9358 | |
| 9359 /************************************************************/ | |
| 9360 | |
| 9361 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 9362 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 9363 { | |
| 9364 } | |
| 9365 | |
| 9366 Expression *ShlExp::semantic(Scope *sc) | |
| 9367 { Expression *e; | |
| 9368 | |
| 9369 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 9370 if (!type) | |
| 9371 { BinExp::semanticp(sc); | |
| 9372 e = op_overload(sc); | |
| 9373 if (e) | |
| 9374 return e; | |
| 9375 e1 = e1->checkIntegral(); | |
| 9376 e2 = e2->checkIntegral(); | |
| 9377 e1 = e1->integralPromotions(sc); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9378 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9379 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9380 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9381 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9382 #endif |
| 159 | 9383 type = e1->type; |
| 9384 } | |
| 9385 return this; | |
| 9386 } | |
| 9387 | |
| 9388 /************************************************************/ | |
| 9389 | |
| 9390 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9391 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 9392 { | |
| 9393 } | |
| 9394 | |
| 9395 Expression *ShrExp::semantic(Scope *sc) | |
| 9396 { Expression *e; | |
| 9397 | |
| 9398 if (!type) | |
| 9399 { BinExp::semanticp(sc); | |
| 9400 e = op_overload(sc); | |
| 9401 if (e) | |
| 9402 return e; | |
| 9403 e1 = e1->checkIntegral(); | |
| 9404 e2 = e2->checkIntegral(); | |
| 9405 e1 = e1->integralPromotions(sc); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9406 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9407 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9408 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9409 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9410 #endif |
| 159 | 9411 type = e1->type; |
| 9412 } | |
| 9413 return this; | |
| 9414 } | |
| 9415 | |
| 9416 /************************************************************/ | |
| 9417 | |
| 9418 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9419 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 9420 { | |
| 9421 } | |
| 9422 | |
| 9423 Expression *UshrExp::semantic(Scope *sc) | |
| 9424 { Expression *e; | |
| 9425 | |
| 9426 if (!type) | |
| 9427 { BinExp::semanticp(sc); | |
| 9428 e = op_overload(sc); | |
| 9429 if (e) | |
| 9430 return e; | |
| 9431 e1 = e1->checkIntegral(); | |
| 9432 e2 = e2->checkIntegral(); | |
| 9433 e1 = e1->integralPromotions(sc); | |
|
1630
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9434 #if !IN_LLVM |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9435 e2 = e2->castTo(sc, Type::tshiftcnt); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9436 #else |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9437 e2 = e2->castTo(sc, e1->type); |
|
44b145be2ef5
Merge dmd 1.056.
Robert Clipsham <robert@octarineparrot.com>
parents:
1629
diff
changeset
|
9438 #endif |
| 159 | 9439 type = e1->type; |
| 9440 } | |
| 9441 return this; | |
| 9442 } | |
| 9443 | |
| 9444 /************************************************************/ | |
| 9445 | |
| 9446 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9447 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 9448 { | |
| 9449 } | |
| 9450 | |
| 9451 Expression *AndExp::semantic(Scope *sc) | |
| 9452 { Expression *e; | |
| 9453 | |
| 9454 if (!type) | |
| 9455 { BinExp::semanticp(sc); | |
| 9456 e = op_overload(sc); | |
| 9457 if (e) | |
| 9458 return e; | |
| 9459 if (e1->type->toBasetype()->ty == Tbool && | |
| 9460 e2->type->toBasetype()->ty == Tbool) | |
| 9461 { | |
| 9462 type = e1->type; | |
| 9463 e = this; | |
| 9464 } | |
| 9465 else | |
| 9466 { | |
| 9467 typeCombine(sc); | |
| 1587 | 9468 if (!e1->isArrayOperand()) |
| 9469 e1->checkIntegral(); | |
| 9470 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9471 e2->checkIntegral(); |
| 159 | 9472 } |
| 9473 } | |
| 9474 return this; | |
| 9475 } | |
| 9476 | |
| 9477 /************************************************************/ | |
| 9478 | |
| 9479 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9480 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 9481 { | |
| 9482 } | |
| 9483 | |
| 9484 Expression *OrExp::semantic(Scope *sc) | |
| 9485 { Expression *e; | |
| 9486 | |
| 9487 if (!type) | |
| 9488 { BinExp::semanticp(sc); | |
| 9489 e = op_overload(sc); | |
| 9490 if (e) | |
| 9491 return e; | |
| 9492 if (e1->type->toBasetype()->ty == Tbool && | |
| 9493 e2->type->toBasetype()->ty == Tbool) | |
| 9494 { | |
| 9495 type = e1->type; | |
| 9496 e = this; | |
| 9497 } | |
| 9498 else | |
| 9499 { | |
| 9500 typeCombine(sc); | |
| 1587 | 9501 if (!e1->isArrayOperand()) |
| 9502 e1->checkIntegral(); | |
| 9503 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9504 e2->checkIntegral(); |
| 159 | 9505 } |
| 9506 } | |
| 9507 return this; | |
| 9508 } | |
| 9509 | |
| 9510 /************************************************************/ | |
| 9511 | |
| 9512 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9513 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9514 { | |
| 9515 } | |
| 9516 | |
| 9517 Expression *XorExp::semantic(Scope *sc) | |
| 9518 { Expression *e; | |
| 9519 | |
| 9520 if (!type) | |
| 9521 { BinExp::semanticp(sc); | |
| 9522 e = op_overload(sc); | |
| 9523 if (e) | |
| 9524 return e; | |
| 9525 if (e1->type->toBasetype()->ty == Tbool && | |
| 9526 e2->type->toBasetype()->ty == Tbool) | |
| 9527 { | |
| 9528 type = e1->type; | |
| 9529 e = this; | |
| 9530 } | |
| 9531 else | |
| 9532 { | |
| 9533 typeCombine(sc); | |
| 1587 | 9534 if (!e1->isArrayOperand()) |
| 9535 e1->checkIntegral(); | |
| 9536 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9537 e2->checkIntegral(); |
| 159 | 9538 } |
| 9539 } | |
| 9540 return this; | |
| 9541 } | |
| 9542 | |
| 9543 | |
| 9544 /************************************************************/ | |
| 9545 | |
| 9546 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9547 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9548 { | |
| 9549 } | |
| 9550 | |
| 9551 Expression *OrOrExp::semantic(Scope *sc) | |
| 9552 { | |
| 9553 unsigned cs1; | |
| 9554 | |
| 9555 // same as for AndAnd | |
| 9556 e1 = e1->semantic(sc); | |
| 9557 e1 = resolveProperties(sc, e1); | |
| 9558 e1 = e1->checkToPointer(); | |
| 9559 e1 = e1->checkToBoolean(); | |
| 9560 cs1 = sc->callSuper; | |
| 9561 | |
| 9562 if (sc->flags & SCOPEstaticif) | |
| 9563 { | |
| 9564 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9565 */ | |
| 9566 e1 = e1->optimize(WANTflags); | |
| 9567 if (e1->isBool(TRUE)) | |
| 9568 { | |
| 9569 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9570 } | |
| 9571 } | |
| 9572 | |
| 9573 e2 = e2->semantic(sc); | |
| 9574 sc->mergeCallSuper(loc, cs1); | |
| 9575 e2 = resolveProperties(sc, e2); | |
| 9576 e2 = e2->checkToPointer(); | |
| 9577 | |
| 9578 type = Type::tboolean; | |
|
779
ef7fe998f9b3
Fix return type of OrOr and AndAndExp being set incorrectly if rhs is void. Thanks wilsonk!
Christian Kamm <kamm incasoftware de>
parents:
723
diff
changeset
|
9579 if (e2->type->ty == Tvoid) |
| 159 | 9580 type = Type::tvoid; |
| 9581 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9582 error("%s is not an expression", e2->toChars()); | |
| 9583 return this; | |
| 9584 } | |
| 9585 | |
| 9586 Expression *OrOrExp::checkToBoolean() | |
| 9587 { | |
| 9588 e2 = e2->checkToBoolean(); | |
| 9589 return this; | |
| 9590 } | |
| 9591 | |
| 9592 int OrOrExp::isBit() | |
| 9593 { | |
| 9594 return TRUE; | |
| 9595 } | |
| 9596 | |
| 9597 int OrOrExp::checkSideEffect(int flag) | |
| 9598 { | |
| 9599 if (flag == 2) | |
| 9600 { | |
| 9601 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9602 } | |
| 9603 else | |
| 9604 { e1->checkSideEffect(1); | |
| 9605 return e2->checkSideEffect(flag); | |
| 9606 } | |
| 9607 } | |
| 9608 | |
| 9609 /************************************************************/ | |
| 9610 | |
| 9611 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9612 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9613 { | |
| 9614 } | |
| 9615 | |
| 9616 Expression *AndAndExp::semantic(Scope *sc) | |
| 9617 { | |
| 9618 unsigned cs1; | |
| 9619 | |
| 9620 // same as for OrOr | |
| 9621 e1 = e1->semantic(sc); | |
| 9622 e1 = resolveProperties(sc, e1); | |
| 9623 e1 = e1->checkToPointer(); | |
| 9624 e1 = e1->checkToBoolean(); | |
| 9625 cs1 = sc->callSuper; | |
| 9626 | |
| 9627 if (sc->flags & SCOPEstaticif) | |
| 9628 { | |
| 9629 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9630 */ | |
| 9631 e1 = e1->optimize(WANTflags); | |
| 9632 if (e1->isBool(FALSE)) | |
| 9633 { | |
| 9634 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9635 } | |
| 9636 } | |
| 9637 | |
| 9638 e2 = e2->semantic(sc); | |
| 9639 sc->mergeCallSuper(loc, cs1); | |
| 9640 e2 = resolveProperties(sc, e2); | |
| 9641 e2 = e2->checkToPointer(); | |
| 9642 | |
| 9643 type = Type::tboolean; | |
|
779
ef7fe998f9b3
Fix return type of OrOr and AndAndExp being set incorrectly if rhs is void. Thanks wilsonk!
Christian Kamm <kamm incasoftware de>
parents:
723
diff
changeset
|
9644 if (e2->type->ty == Tvoid) |
| 159 | 9645 type = Type::tvoid; |
| 9646 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9647 error("%s is not an expression", e2->toChars()); | |
| 9648 return this; | |
| 9649 } | |
| 9650 | |
| 9651 Expression *AndAndExp::checkToBoolean() | |
| 9652 { | |
| 9653 e2 = e2->checkToBoolean(); | |
| 9654 return this; | |
| 9655 } | |
| 9656 | |
| 9657 int AndAndExp::isBit() | |
| 9658 { | |
| 9659 return TRUE; | |
| 9660 } | |
| 9661 | |
| 9662 int AndAndExp::checkSideEffect(int flag) | |
| 9663 { | |
| 9664 if (flag == 2) | |
| 9665 { | |
| 9666 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9667 } | |
| 9668 else | |
| 9669 { | |
| 9670 e1->checkSideEffect(1); | |
| 9671 return e2->checkSideEffect(flag); | |
| 9672 } | |
| 9673 } | |
| 9674 | |
| 9675 /************************************************************/ | |
| 9676 | |
| 9677 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9678 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9679 { | |
| 9680 } | |
| 9681 | |
| 9682 Expression *InExp::semantic(Scope *sc) | |
| 9683 { Expression *e; | |
| 9684 | |
| 9685 if (type) | |
| 9686 return this; | |
| 9687 | |
| 9688 BinExp::semanticp(sc); | |
| 9689 e = op_overload(sc); | |
| 9690 if (e) | |
| 9691 return e; | |
| 9692 | |
| 9693 //type = Type::tboolean; | |
| 9694 Type *t2b = e2->type->toBasetype(); | |
| 9695 if (t2b->ty != Taarray) | |
| 9696 { | |
| 9697 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9698 type = Type::terror; | |
| 9699 } | |
| 9700 else | |
| 9701 { | |
| 9702 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9703 | |
| 9704 // Convert key to type of key | |
| 9705 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9706 | |
| 9707 // Return type is pointer to value | |
|
510
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486
diff
changeset
|
9708 type = ta->nextOf()->pointerTo(); |
| 159 | 9709 } |
| 9710 return this; | |
| 9711 } | |
| 9712 | |
| 9713 int InExp::isBit() | |
| 9714 { | |
| 9715 return FALSE; | |
| 9716 } | |
| 9717 | |
| 9718 | |
| 9719 /************************************************************/ | |
| 9720 | |
| 9721 /* This deletes the key e1 from the associative array e2 | |
| 9722 */ | |
| 9723 | |
| 9724 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9725 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9726 { | |
| 9727 type = Type::tvoid; | |
| 9728 } | |
| 9729 | |
| 9730 /************************************************************/ | |
| 9731 | |
| 9732 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9733 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9734 { | |
| 9735 } | |
| 9736 | |
| 9737 Expression *CmpExp::semantic(Scope *sc) | |
| 9738 { Expression *e; | |
| 9739 | |
| 9740 #if LOGSEMANTIC | |
| 9741 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9742 #endif | |
| 9743 if (type) | |
| 9744 return this; | |
| 9745 | |
| 9746 BinExp::semanticp(sc); | |
| 9747 | |
| 1587 | 9748 Type *t1 = e1->type->toBasetype(); |
| 9749 Type *t2 = e2->type->toBasetype(); | |
| 9750 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9751 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9752 { |
| 9753 error("do not use null when comparing class types"); | |
| 9754 } | |
| 9755 | |
| 9756 e = op_overload(sc); | |
| 9757 if (e) | |
| 9758 { | |
|
1367
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parents:
1358
diff
changeset
|
9759 if (!e->type->isscalar() && e->type->equals(e1->type)) |
|
8026319762be
Merged DMD 1.045 !!!
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parents:
1358
diff
changeset
|
9760 { |
|
8026319762be
Merged DMD 1.045 !!!
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parents:
1358
diff
changeset
|
9761 error("recursive opCmp expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9762 e = new ErrorExp(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9763 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9764 else |
|
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Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9765 { e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); |
|
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parents:
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diff
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|
9766 e = e->semantic(sc); |
|
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parents:
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diff
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|
9767 } |
| 159 | 9768 return e; |
| 9769 } | |
| 9770 | |
| 1587 | 9771 /* Disallow comparing T[]==T and T==T[] |
| 9772 */ | |
| 9773 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9774 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9775 { | |
| 9776 incompatibleTypes(); | |
| 9777 return new ErrorExp(); | |
| 9778 } | |
| 9779 | |
| 159 | 9780 typeCombine(sc); |
| 9781 type = Type::tboolean; | |
| 9782 | |
| 9783 // Special handling for array comparisons | |
| 9784 t1 = e1->type->toBasetype(); | |
| 9785 t2 = e2->type->toBasetype(); | |
| 9786 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9787 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9788 { | |
| 9789 if (!t1->next->equals(t2->next)) | |
| 9790 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9791 e = this; | |
| 9792 } | |
| 9793 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9794 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9795 { | |
| 9796 if (t2->ty == Tstruct) | |
| 9797 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9798 else | |
| 9799 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9800 e = this; | |
| 9801 } | |
| 9802 #if 1 | |
| 9803 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9804 { | |
| 9805 error("compare not defined for complex operands"); | |
| 9806 e = new IntegerExp(0); | |
| 9807 } | |
| 9808 #endif | |
| 9809 else | |
| 9810 e = this; | |
|
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diff
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|
9811 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9812 return e; |
| 9813 } | |
| 9814 | |
| 9815 int CmpExp::isBit() | |
| 9816 { | |
| 9817 return TRUE; | |
| 9818 } | |
| 9819 | |
| 9820 | |
| 9821 /************************************************************/ | |
| 9822 | |
| 9823 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9824 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9825 { | |
| 9826 assert(op == TOKequal || op == TOKnotequal); | |
| 9827 } | |
| 9828 | |
| 9829 Expression *EqualExp::semantic(Scope *sc) | |
| 9830 { Expression *e; | |
| 9831 | |
| 9832 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9833 if (type) | |
| 9834 return this; | |
| 9835 | |
| 9836 BinExp::semanticp(sc); | |
| 9837 | |
| 9838 /* Before checking for operator overloading, check to see if we're | |
| 9839 * comparing the addresses of two statics. If so, we can just see | |
| 9840 * if they are the same symbol. | |
| 9841 */ | |
| 9842 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9843 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9844 AddrExp *ae2 = (AddrExp *)e2; | |
| 9845 | |
| 9846 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9847 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9848 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9849 | |
| 9850 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9851 { | |
| 9852 // They are the same, result is 'true' for ==, 'false' for != | |
| 9853 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9854 return e; | |
| 9855 } | |
| 9856 } | |
| 9857 } | |
| 9858 | |
| 1587 | 9859 Type *t1 = e1->type->toBasetype(); |
| 9860 Type *t2 = e2->type->toBasetype(); | |
| 9861 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9862 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9863 { |
| 9864 error("use '%s' instead of '%s' when comparing with null", | |
| 9865 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9866 Token::toChars(op)); | |
| 9867 } | |
| 9868 | |
| 9869 //if (e2->op != TOKnull) | |
| 9870 { | |
| 9871 e = op_overload(sc); | |
| 9872 if (e) | |
| 9873 { | |
| 9874 if (op == TOKnotequal) | |
| 9875 { | |
| 9876 e = new NotExp(e->loc, e); | |
| 9877 e = e->semantic(sc); | |
| 9878 } | |
| 9879 return e; | |
| 9880 } | |
| 9881 } | |
| 9882 | |
| 1587 | 9883 /* Disallow comparing T[]==T and T==T[] |
| 9884 */ | |
| 9885 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9886 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9887 { | |
| 9888 incompatibleTypes(); | |
| 9889 return new ErrorExp(); | |
| 9890 } | |
| 9891 | |
| 159 | 9892 e = typeCombine(sc); |
| 9893 type = Type::tboolean; | |
| 9894 | |
| 9895 // Special handling for array comparisons | |
| 9896 t1 = e1->type->toBasetype(); | |
| 9897 t2 = e2->type->toBasetype(); | |
| 9898 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9899 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9900 { | |
| 9901 if (!t1->next->equals(t2->next)) | |
| 9902 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9903 } | |
| 9904 else | |
| 9905 { | |
| 9906 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9907 { | |
| 9908 // Cast both to complex | |
| 9909 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9910 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9911 } | |
| 9912 } | |
| 9913 return e; | |
| 9914 } | |
| 9915 | |
| 9916 int EqualExp::isBit() | |
| 9917 { | |
| 9918 return TRUE; | |
| 9919 } | |
| 9920 | |
| 9921 | |
| 9922 | |
| 9923 /************************************************************/ | |
| 9924 | |
| 9925 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9926 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9927 { | |
| 9928 } | |
| 9929 | |
| 9930 Expression *IdentityExp::semantic(Scope *sc) | |
| 9931 { | |
| 9932 if (type) | |
| 9933 return this; | |
| 9934 | |
| 9935 BinExp::semanticp(sc); | |
| 9936 type = Type::tboolean; | |
| 9937 typeCombine(sc); | |
| 9938 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9939 { | |
| 9940 // Cast both to complex | |
| 9941 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9942 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9943 } | |
| 9944 return this; | |
| 9945 } | |
| 9946 | |
| 9947 int IdentityExp::isBit() | |
| 9948 { | |
| 9949 return TRUE; | |
| 9950 } | |
| 9951 | |
| 9952 | |
| 9953 /****************************************************************/ | |
| 9954 | |
| 9955 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9956 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9957 { | |
| 9958 this->econd = econd; | |
| 9959 } | |
| 9960 | |
| 9961 Expression *CondExp::syntaxCopy() | |
| 9962 { | |
| 9963 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9964 } | |
| 9965 | |
| 9966 | |
| 9967 Expression *CondExp::semantic(Scope *sc) | |
| 9968 { Type *t1; | |
| 9969 Type *t2; | |
| 9970 unsigned cs0; | |
| 9971 unsigned cs1; | |
| 9972 | |
| 9973 #if LOGSEMANTIC | |
| 9974 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9975 #endif | |
| 9976 if (type) | |
| 9977 return this; | |
| 9978 | |
| 9979 econd = econd->semantic(sc); | |
| 9980 econd = resolveProperties(sc, econd); | |
| 9981 econd = econd->checkToPointer(); | |
| 9982 econd = econd->checkToBoolean(); | |
| 9983 | |
| 9984 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9985 * both contribute to the type of the result. | |
| 9986 */ | |
| 9987 if (sc->flags & SCOPEstaticif) | |
| 9988 { | |
| 9989 /* If in static if, don't evaluate what we don't have to. | |
| 9990 */ | |
| 9991 econd = econd->optimize(WANTflags); | |
| 9992 if (econd->isBool(TRUE)) | |
| 9993 { | |
| 9994 e1 = e1->semantic(sc); | |
| 9995 e1 = resolveProperties(sc, e1); | |
| 9996 return e1; | |
| 9997 } | |
| 9998 else if (econd->isBool(FALSE)) | |
| 9999 { | |
| 10000 e2 = e2->semantic(sc); | |
| 10001 e2 = resolveProperties(sc, e2); | |
| 10002 return e2; | |
| 10003 } | |
| 10004 } | |
| 10005 #endif | |
| 10006 | |
| 10007 | |
| 10008 cs0 = sc->callSuper; | |
| 10009 e1 = e1->semantic(sc); | |
| 10010 e1 = resolveProperties(sc, e1); | |
| 10011 cs1 = sc->callSuper; | |
| 10012 sc->callSuper = cs0; | |
| 10013 e2 = e2->semantic(sc); | |
| 10014 e2 = resolveProperties(sc, e2); | |
| 10015 sc->mergeCallSuper(loc, cs1); | |
| 10016 | |
| 10017 | |
| 10018 // If either operand is void, the result is void | |
| 10019 t1 = e1->type; | |
| 10020 t2 = e2->type; | |
| 10021 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 10022 type = Type::tvoid; | |
| 10023 else if (t1 == t2) | |
| 10024 type = t1; | |
| 10025 else | |
| 10026 { | |
| 10027 typeCombine(sc); | |
| 10028 switch (e1->type->toBasetype()->ty) | |
| 10029 { | |
| 10030 case Tcomplex32: | |
| 10031 case Tcomplex64: | |
| 10032 case Tcomplex80: | |
| 10033 e2 = e2->castTo(sc, e1->type); | |
| 10034 break; | |
| 10035 } | |
| 10036 switch (e2->type->toBasetype()->ty) | |
| 10037 { | |
| 10038 case Tcomplex32: | |
| 10039 case Tcomplex64: | |
| 10040 case Tcomplex80: | |
| 10041 e1 = e1->castTo(sc, e2->type); | |
| 10042 break; | |
| 10043 } | |
| 10044 } | |
|
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|
10045 #if 0 |
|
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|
10046 printf("res: %s\n", type->toChars()); |
|
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|
10047 printf("e1 : %s\n", e1->type->toChars()); |
|
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|
10048 printf("e2 : %s\n", e2->type->toChars()); |
|
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|
10049 #endif |
| 159 | 10050 return this; |
| 10051 } | |
| 10052 | |
|
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|
10053 #if DMDV2 |
|
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|
10054 int CondExp::isLvalue() |
|
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diff
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|
10055 { |
|
330f999ade44
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diff
changeset
|
10056 return e1->isLvalue() && e2->isLvalue(); |
|
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|
10057 } |
|
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changeset
|
10058 #endif |
|
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|
10059 |
| 159 | 10060 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 10061 { | |
| 10062 PtrExp *e; | |
| 10063 | |
| 10064 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 10065 e = new PtrExp(loc, this, type); | |
| 10066 | |
| 10067 e1 = e1->addressOf(sc); | |
| 10068 //e1 = e1->toLvalue(sc, NULL); | |
| 10069 | |
| 10070 e2 = e2->addressOf(sc); | |
| 10071 //e2 = e2->toLvalue(sc, NULL); | |
| 10072 | |
| 10073 typeCombine(sc); | |
| 10074 | |
| 10075 type = e2->type; | |
| 10076 return e; | |
| 10077 } | |
| 10078 | |
| 10079 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 10080 { | |
| 10081 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 10082 return this; | |
| 10083 } | |
| 10084 | |
| 10085 void CondExp::checkEscape() | |
| 10086 { | |
| 10087 e1->checkEscape(); | |
| 10088 e2->checkEscape(); | |
| 10089 } | |
| 10090 | |
|
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10091 void CondExp::checkEscapeRef() |
|
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diff
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|
10092 { |
|
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changeset
|
10093 e1->checkEscapeRef(); |
|
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|
10094 e2->checkEscapeRef(); |
|
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|
10095 } |
|
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|
10096 |
| 159 | 10097 |
| 10098 Expression *CondExp::checkToBoolean() | |
| 10099 { | |
| 10100 e1 = e1->checkToBoolean(); | |
| 10101 e2 = e2->checkToBoolean(); | |
| 10102 return this; | |
| 10103 } | |
| 10104 | |
| 10105 int CondExp::checkSideEffect(int flag) | |
| 10106 { | |
| 10107 if (flag == 2) | |
| 10108 { | |
| 10109 return econd->checkSideEffect(2) || | |
| 10110 e1->checkSideEffect(2) || | |
| 10111 e2->checkSideEffect(2); | |
| 10112 } | |
| 10113 else | |
| 10114 { | |
| 10115 econd->checkSideEffect(1); | |
| 10116 e1->checkSideEffect(flag); | |
| 10117 return e2->checkSideEffect(flag); | |
| 10118 } | |
| 10119 } | |
| 10120 | |
|
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|
10121 #if DMDV2 |
|
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|
10122 int CondExp::canThrow() |
|
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|
10123 { |
|
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diff
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|
10124 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
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diff
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|
10125 } |
|
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|
10126 #endif |
|
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|
10127 |
| 159 | 10128 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 10129 { | |
| 10130 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 10131 buf->writestring(" ? "); | |
| 10132 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 10133 buf->writestring(" : "); | |
| 10134 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 10135 } | |
| 10136 | |
|
599
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parents:
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10137 /************************************************************/ |
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parents:
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10138 |
|
4435f57956e7
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parents:
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|
10139 #if IN_LLVM |
|
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Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
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parents:
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changeset
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10140 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
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10141 // Strictly LDC specific stuff |
|
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parents:
585
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changeset
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10142 |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10143 GEPExp::GEPExp(Loc loc, Expression* e, Identifier* id, unsigned idx) |
|
4435f57956e7
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
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changeset
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10144 : UnaExp(loc, TOKgep, sizeof(GEPExp), e) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10145 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10146 index = idx; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10147 ident = id; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10148 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10149 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10150 void GEPExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10151 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10152 expToCBuffer(buf, hgs, e1, PREC_primary); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10153 buf->writeByte('.'); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
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changeset
|
10154 buf->writestring(ident->toChars()); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10155 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10156 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10157 Expression* GEPExp::toLvalue(Scope* sc, Expression* e) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10158 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10159 // GEP's are always lvalues, at least in the "LLVM sense" ... |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10160 return this; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10161 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10162 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10163 #endif |