Mercurial > projects > ldc
annotate dmd/expression.c @ 1360:015e00affbb9
Automated merge with http://hg.dsource.org/projects/ldc
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Sat, 16 May 2009 13:10:35 +0200 |
| parents | 78038e540342 |
| children | 8026319762be |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
|
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3 // Copyright (c) 1999-2009 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" |
| 159 | 38 |
| 39 //#include "port.h" | |
| 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 | |
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58 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 59 |
| 60 #define LOGSEMANTIC 0 | |
| 61 | |
| 62 /********************************** | |
| 63 * Set operator precedence for each operator. | |
| 64 */ | |
| 65 | |
| 66 // Operator precedence - greater values are higher precedence | |
| 67 | |
| 68 enum PREC | |
| 69 { | |
| 70 PREC_zero, | |
| 71 PREC_expr, | |
| 72 PREC_assign, | |
| 73 PREC_cond, | |
| 74 PREC_oror, | |
| 75 PREC_andand, | |
| 76 PREC_or, | |
| 77 PREC_xor, | |
| 78 PREC_and, | |
| 79 PREC_equal, | |
| 80 PREC_rel, | |
| 81 PREC_shift, | |
| 82 PREC_add, | |
| 83 PREC_mul, | |
| 84 PREC_unary, | |
| 85 PREC_primary, | |
| 86 }; | |
| 87 | |
| 88 enum PREC precedence[TOKMAX]; | |
| 89 | |
| 90 void initPrecedence() | |
| 91 { | |
| 92 precedence[TOKdotvar] = PREC_primary; | |
| 93 precedence[TOKimport] = PREC_primary; | |
| 94 precedence[TOKidentifier] = PREC_primary; | |
| 95 precedence[TOKthis] = PREC_primary; | |
| 96 precedence[TOKsuper] = PREC_primary; | |
| 97 precedence[TOKint64] = PREC_primary; | |
| 98 precedence[TOKfloat64] = PREC_primary; | |
| 99 precedence[TOKnull] = PREC_primary; | |
| 100 precedence[TOKstring] = PREC_primary; | |
| 101 precedence[TOKarrayliteral] = PREC_primary; | |
| 102 precedence[TOKtypedot] = 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 } |
| 377 return e; | |
| 378 } | |
| 379 | |
| 380 /****************************** | |
| 381 * Perform semantic() on an array of Expressions. | |
| 382 */ | |
| 383 | |
| 384 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 385 { | |
| 386 if (exps) | |
| 387 { | |
| 388 for (size_t i = 0; i < exps->dim; i++) | |
| 389 { Expression *e = (Expression *)exps->data[i]; | |
| 390 | |
| 391 e = e->semantic(sc); | |
| 392 exps->data[i] = (void *)e; | |
| 393 } | |
| 394 } | |
| 395 } | |
| 396 | |
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397 |
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398 /****************************** |
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399 * Perform canThrow() on an array of Expressions. |
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400 */ |
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401 |
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402 #if DMDV2 |
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403 int arrayExpressionCanThrow(Expressions *exps) |
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404 { |
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405 if (exps) |
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406 { |
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407 for (size_t i = 0; i < exps->dim; i++) |
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408 { Expression *e = (Expression *)exps->data[i]; |
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409 if (e && e->canThrow()) |
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410 return 1; |
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411 } |
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412 } |
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413 return 0; |
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414 } |
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415 #endif |
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416 |
| 159 | 417 /**************************************** |
| 418 * Expand tuples. | |
| 419 */ | |
| 420 | |
| 421 void expandTuples(Expressions *exps) | |
| 422 { | |
| 423 //printf("expandTuples()\n"); | |
| 424 if (exps) | |
| 425 { | |
| 426 for (size_t i = 0; i < exps->dim; i++) | |
| 427 { Expression *arg = (Expression *)exps->data[i]; | |
| 428 if (!arg) | |
| 429 continue; | |
| 430 | |
| 431 // Look for tuple with 0 members | |
| 432 if (arg->op == TOKtype) | |
| 433 { TypeExp *e = (TypeExp *)arg; | |
| 434 if (e->type->toBasetype()->ty == Ttuple) | |
| 435 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 436 | |
| 437 if (!tt->arguments || tt->arguments->dim == 0) | |
| 438 { | |
| 439 exps->remove(i); | |
| 440 if (i == exps->dim) | |
| 441 return; | |
| 442 i--; | |
| 443 continue; | |
| 444 } | |
| 445 } | |
| 446 } | |
| 447 | |
| 448 // Inline expand all the tuples | |
| 449 while (arg->op == TOKtuple) | |
| 450 { TupleExp *te = (TupleExp *)arg; | |
| 451 | |
| 452 exps->remove(i); // remove arg | |
| 453 exps->insert(i, te->exps); // replace with tuple contents | |
| 454 if (i == exps->dim) | |
| 455 return; // empty tuple, no more arguments | |
| 456 arg = (Expression *)exps->data[i]; | |
| 457 } | |
| 458 } | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 /**************************************** | |
| 463 * Preprocess arguments to function. | |
| 464 */ | |
| 465 | |
| 466 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 467 { | |
| 468 if (exps) | |
| 469 { | |
| 470 expandTuples(exps); | |
| 471 | |
| 472 for (size_t i = 0; i < exps->dim; i++) | |
| 473 { Expression *arg = (Expression *)exps->data[i]; | |
| 474 | |
| 475 if (!arg->type) | |
| 476 { | |
| 477 #ifdef DEBUG | |
| 478 if (!global.gag) | |
| 479 printf("1: \n"); | |
| 480 #endif | |
| 481 arg->error("%s is not an expression", arg->toChars()); | |
| 482 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 483 } | |
| 484 | |
| 485 arg = resolveProperties(sc, arg); | |
| 486 exps->data[i] = (void *) arg; | |
| 487 | |
| 488 //arg->rvalue(); | |
| 489 #if 0 | |
| 490 if (arg->type->ty == Tfunction) | |
| 491 { | |
| 492 arg = new AddrExp(arg->loc, arg); | |
| 493 arg = arg->semantic(sc); | |
| 494 exps->data[i] = (void *) arg; | |
| 495 } | |
| 496 #endif | |
| 497 } | |
| 498 } | |
| 499 } | |
| 500 | |
| 336 | 501 /********************************************* |
| 502 * Call copy constructor for struct value argument. | |
| 503 */ | |
| 504 #if DMDV2 | |
| 505 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 506 { | |
| 507 Type *tb = e->type->toBasetype(); | |
| 508 assert(tb->ty == Tstruct); | |
| 509 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 510 if (sd->cpctor) | |
| 511 { | |
| 512 /* Create a variable tmp, and replace the argument e with: | |
| 513 * (tmp = e),tmp | |
| 514 * and let AssignExp() handle the construction. | |
| 515 * This is not the most efficent, ideally tmp would be constructed | |
| 516 * directly onto the stack. | |
| 517 */ | |
| 518 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 519 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 520 Expression *ae = new DeclarationExp(loc, tmp); | |
| 521 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 522 e = e->semantic(sc); | |
| 523 } | |
| 524 return e; | |
| 525 } | |
| 526 #endif | |
| 159 | 527 |
| 528 /**************************************** | |
| 529 * Now that we know the exact type of the function we're calling, | |
| 530 * the arguments[] need to be adjusted: | |
|
510
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531 * 1. implicitly convert argument to the corresponding parameter type |
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532 * 2. add default arguments for any missing arguments |
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533 * 3. do default promotions on arguments corresponding to ... |
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534 * 4. add hidden _arguments[] argument |
| 159 | 535 */ |
| 536 | |
| 537 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 538 { | |
| 539 unsigned n; | |
| 540 | |
| 541 //printf("functionArguments()\n"); | |
| 542 assert(arguments); | |
| 543 size_t nargs = arguments ? arguments->dim : 0; | |
| 544 size_t nparams = Argument::dim(tf->parameters); | |
| 545 | |
| 546 if (nargs > nparams && tf->varargs == 0) | |
|
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- Updated to DMD frontend 1.041.
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547 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 548 |
| 549 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 550 | |
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551 int done = 0; |
| 159 | 552 for (size_t i = 0; i < n; i++) |
| 553 { | |
| 554 Expression *arg; | |
| 555 | |
| 556 if (i < nargs) | |
| 557 arg = (Expression *)arguments->data[i]; | |
| 558 else | |
| 559 arg = NULL; | |
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560 Type *tb; |
| 159 | 561 |
| 562 if (i < nparams) | |
| 563 { | |
| 564 Argument *p = Argument::getNth(tf->parameters, i); | |
| 565 | |
| 566 if (!arg) | |
| 567 { | |
| 568 if (!p->defaultArg) | |
| 569 { | |
| 570 if (tf->varargs == 2 && i + 1 == nparams) | |
| 571 goto L2; | |
|
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- Updated to DMD frontend 1.041.
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572 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 573 break; |
| 574 } | |
| 336 | 575 arg = p->defaultArg; |
| 576 #if DMDV2 | |
| 577 if (arg->op == TOKdefault) | |
| 578 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 579 arg = de->resolve(loc, sc); | |
| 580 } | |
| 581 else | |
| 582 #endif | |
| 583 arg = arg->copy(); | |
| 159 | 584 arguments->push(arg); |
| 585 nargs++; | |
| 586 } | |
| 587 | |
| 588 if (tf->varargs == 2 && i + 1 == nparams) | |
| 589 { | |
| 590 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 591 if (arg->implicitConvTo(p->type)) | |
| 592 { | |
| 593 if (nargs != nparams) | |
|
1103
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- Updated to DMD frontend 1.041.
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594 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 595 goto L1; |
| 596 } | |
| 597 L2: | |
| 598 Type *tb = p->type->toBasetype(); | |
| 599 Type *tret = p->isLazyArray(); | |
| 600 switch (tb->ty) | |
| 601 { | |
| 602 case Tsarray: | |
| 603 case Tarray: | |
| 604 { // Create a static array variable v of type arg->type | |
| 605 #ifdef IN_GCC | |
| 606 /* GCC 4.0 does not like zero length arrays used like | |
| 607 this; pass a null array value instead. Could also | |
| 608 just make a one-element array. */ | |
| 609 if (nargs - i == 0) | |
| 610 { | |
| 611 arg = new NullExp(loc); | |
| 612 break; | |
| 613 } | |
| 614 #endif | |
|
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615 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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616 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 617 t = t->semantic(loc, sc); |
| 618 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 619 v->semantic(sc); | |
| 620 v->parent = sc->parent; | |
| 621 //sc->insert(v); | |
| 622 | |
| 623 Expression *c = new DeclarationExp(0, v); | |
| 624 c->type = v->type; | |
| 625 | |
| 626 for (size_t u = i; u < nargs; u++) | |
| 627 { Expression *a = (Expression *)arguments->data[u]; | |
|
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628 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 629 a = a->toDelegate(sc, tret); |
| 630 | |
| 631 Expression *e = new VarExp(loc, v); | |
| 632 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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633 AssignExp *ae = new AssignExp(loc, e, a); |
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634 #if DMDV2 |
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635 ae->op = TOKconstruct; |
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636 #endif |
| 159 | 637 if (c) |
|
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638 c = new CommaExp(loc, c, ae); |
| 159 | 639 else |
|
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640 c = ae; |
| 159 | 641 } |
| 642 arg = new VarExp(loc, v); | |
| 643 if (c) | |
| 644 arg = new CommaExp(loc, c, arg); | |
| 645 break; | |
| 646 } | |
| 647 case Tclass: | |
| 648 { /* Set arg to be: | |
| 649 * new Tclass(arg0, arg1, ..., argn) | |
| 650 */ | |
| 651 Expressions *args = new Expressions(); | |
| 652 args->setDim(nargs - i); | |
| 653 for (size_t u = i; u < nargs; u++) | |
| 654 args->data[u - i] = arguments->data[u]; | |
| 655 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 656 break; | |
| 657 } | |
| 658 default: | |
| 659 if (!arg) | |
| 660 { error(loc, "not enough arguments"); | |
| 661 return; | |
| 662 } | |
| 663 break; | |
| 664 } | |
| 665 arg = arg->semantic(sc); | |
| 666 //printf("\targ = '%s'\n", arg->toChars()); | |
| 667 arguments->setDim(i + 1); | |
| 668 done = 1; | |
| 669 } | |
| 670 | |
| 671 L1: | |
| 672 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 673 arg = arg->implicitCastTo(sc, p->type); | |
| 674 if (p->storageClass & (STCout | STCref)) | |
| 675 { | |
| 676 // BUG: should check that argument to ref is type 'invariant' | |
| 677 // BUG: assignments to ref should also be type 'invariant' | |
| 678 arg = arg->modifiableLvalue(sc, arg); | |
| 679 | |
| 680 //if (arg->op == TOKslice) | |
| 681 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 682 } | |
| 683 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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|
684 // LDC we don't want this! |
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Implemented correct parameter order according to x86-32 ABI documentation.
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|
685 #if !IN_LLVM |
| 159 | 686 // Convert static arrays to pointers |
| 687 tb = arg->type->toBasetype(); | |
| 688 if (tb->ty == Tsarray) | |
| 689 { | |
| 690 arg = arg->checkToPointer(); | |
| 691 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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|
692 #endif |
|
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693 #if DMDV2 |
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694 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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695 { |
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696 arg = callCpCtor(loc, sc, arg); |
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697 } |
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698 #endif |
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|
699 |
| 159 | 700 // Convert lazy argument to a delegate |
| 701 if (p->storageClass & STClazy) | |
| 702 { | |
| 703 arg = arg->toDelegate(sc, p->type); | |
| 704 } | |
|
875
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diff
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|
705 #if DMDV2 |
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diff
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706 /* Look for arguments that cannot 'escape' from the called |
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diff
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707 * function. |
|
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708 */ |
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diff
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|
709 if (!tf->parameterEscapes(p)) |
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diff
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|
710 { |
|
330f999ade44
Merged DMD 1.038
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diff
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|
711 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
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diff
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|
712 * appearance was scoped, there cannot be any others. |
|
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diff
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|
713 */ |
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|
714 if (arg->op == TOKfunction) |
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diff
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|
715 { FuncExp *fe = (FuncExp *)arg; |
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330f999ade44
Merged DMD 1.038
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diff
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|
716 fe->fd->tookAddressOf = 0; |
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diff
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|
717 } |
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|
718 |
|
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diff
changeset
|
719 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
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parents:
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diff
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|
720 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
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diff
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|
721 * We only worry about 'escaping' references to the function. |
|
330f999ade44
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diff
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|
722 */ |
|
330f999ade44
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diff
changeset
|
723 else if (arg->op == TOKdelegate) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
724 { DelegateExp *de = (DelegateExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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diff
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|
725 if (de->e1->op == TOKvar) |
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726 { VarExp *ve = (VarExp *)de->e1; |
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727 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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728 if (f) |
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729 { f->tookAddressOf--; |
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730 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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731 } |
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732 } |
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733 } |
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734 } |
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735 #endif |
| 159 | 736 } |
| 737 else | |
| 738 { | |
| 739 | |
| 740 // If not D linkage, do promotions | |
|
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741 // LDC: don't do promotions on intrinsics |
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742 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 743 { |
| 744 // Promote bytes, words, etc., to ints | |
| 745 arg = arg->integralPromotions(sc); | |
| 746 | |
| 747 // Promote floats to doubles | |
| 748 switch (arg->type->ty) | |
| 749 { | |
| 750 case Tfloat32: | |
| 751 arg = arg->castTo(sc, Type::tfloat64); | |
| 752 break; | |
| 753 | |
| 754 case Timaginary32: | |
| 755 arg = arg->castTo(sc, Type::timaginary64); | |
| 756 break; | |
| 757 } | |
| 758 } | |
| 759 | |
| 760 // Convert static arrays to dynamic arrays | |
| 761 tb = arg->type->toBasetype(); | |
| 762 if (tb->ty == Tsarray) | |
| 763 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 764 Type *ta = ts->next->arrayOf(); |
| 159 | 765 if (ts->size(arg->loc) == 0) |
| 766 { arg = new NullExp(arg->loc); | |
| 767 arg->type = ta; | |
| 768 } | |
| 769 else | |
| 770 arg = arg->castTo(sc, ta); | |
| 771 } | |
| 336 | 772 #if DMDV2 |
| 773 if (tb->ty == Tstruct) | |
| 774 { | |
| 775 arg = callCpCtor(loc, sc, arg); | |
| 776 } | |
| 777 | |
| 778 // Give error for overloaded function addresses | |
| 779 if (arg->op == TOKsymoff) | |
| 780 { SymOffExp *se = (SymOffExp *)arg; | |
| 781 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 782 arg->error("function %s is overloaded", arg->toChars()); | |
| 783 } | |
| 784 #endif | |
| 159 | 785 arg->rvalue(); |
| 786 } | |
| 787 arg = arg->optimize(WANTvalue); | |
| 788 arguments->data[i] = (void *) arg; | |
| 789 if (done) | |
| 790 break; | |
| 791 } | |
| 792 | |
| 793 #if !IN_LLVM | |
| 794 // If D linkage and variadic, add _arguments[] as first argument | |
| 795 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 796 { | |
| 797 Expression *e; | |
| 798 | |
| 799 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 800 arguments->dim - nparams); | |
| 801 arguments->insert(0, e); | |
| 802 } | |
| 803 #endif | |
| 804 } | |
| 805 | |
| 806 /************************************************** | |
| 807 * Write expression out to buf, but wrap it | |
| 808 * in ( ) if its precedence is less than pr. | |
| 809 */ | |
| 810 | |
| 811 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 812 { | |
| 336 | 813 //if (precedence[e->op] == 0) e->dump(0); |
|
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814 if (precedence[e->op] < pr || |
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815 /* Despite precedence, we don't allow a<b<c expressions. |
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816 * They must be parenthesized. |
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817 */ |
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818 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 819 { |
| 820 buf->writeByte('('); | |
| 821 e->toCBuffer(buf, hgs); | |
| 822 buf->writeByte(')'); | |
| 823 } | |
| 824 else | |
| 825 e->toCBuffer(buf, hgs); | |
| 826 } | |
| 827 | |
| 828 /************************************************** | |
| 829 * Write out argument list to buf. | |
| 830 */ | |
| 831 | |
| 832 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 833 { | |
| 834 if (arguments) | |
| 835 { | |
| 836 for (size_t i = 0; i < arguments->dim; i++) | |
| 837 { Expression *arg = (Expression *)arguments->data[i]; | |
| 838 | |
| 839 if (arg) | |
| 840 { if (i) | |
| 841 buf->writeByte(','); | |
| 842 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 843 } | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 /************************************************** | |
| 849 * Write out argument types to buf. | |
| 850 */ | |
| 851 | |
| 852 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 853 { | |
| 854 if (arguments) | |
| 855 { OutBuffer argbuf; | |
| 856 | |
| 857 for (size_t i = 0; i < arguments->dim; i++) | |
| 858 { Expression *arg = (Expression *)arguments->data[i]; | |
| 859 | |
| 860 if (i) | |
| 861 buf->writeByte(','); | |
| 862 argbuf.reset(); | |
| 863 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 864 buf->write(&argbuf); | |
| 865 } | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 /******************************** Expression **************************/ | |
| 870 | |
| 871 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 872 : loc(loc) | |
| 873 { | |
|
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874 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 875 this->loc = loc; |
| 876 this->op = op; | |
| 877 this->size = size; | |
| 878 type = NULL; | |
|
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879 |
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880 #if IN_LLVM |
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881 cachedLvalue = NULL; |
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882 #endif |
| 159 | 883 } |
| 884 | |
| 885 Expression *Expression::syntaxCopy() | |
| 886 { | |
| 887 //printf("Expression::syntaxCopy()\n"); | |
| 888 //dump(0); | |
| 889 return copy(); | |
| 890 } | |
| 891 | |
| 892 /********************************* | |
| 893 * Does *not* do a deep copy. | |
| 894 */ | |
| 895 | |
| 896 Expression *Expression::copy() | |
| 897 { | |
| 898 Expression *e; | |
| 899 if (!size) | |
| 900 { | |
| 901 #ifdef DEBUG | |
| 902 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 903 printf("op = %d\n", op); | |
| 904 dump(0); | |
| 905 #endif | |
| 906 assert(0); | |
| 907 } | |
| 908 e = (Expression *)mem.malloc(size); | |
|
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909 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 910 return (Expression *)memcpy(e, this, size); |
| 911 } | |
| 912 | |
| 913 /************************** | |
| 914 * Semantically analyze Expression. | |
| 915 * Determine types, fold constants, etc. | |
| 916 */ | |
| 917 | |
| 918 Expression *Expression::semantic(Scope *sc) | |
| 919 { | |
| 920 #if LOGSEMANTIC | |
| 336 | 921 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 922 #endif |
| 923 if (type) | |
| 924 type = type->semantic(loc, sc); | |
| 925 else | |
| 926 type = Type::tvoid; | |
| 927 return this; | |
| 928 } | |
| 929 | |
| 930 void Expression::print() | |
| 931 { | |
| 932 fprintf(stdmsg, "%s\n", toChars()); | |
| 933 fflush(stdmsg); | |
| 934 } | |
| 935 | |
| 936 char *Expression::toChars() | |
| 937 { OutBuffer *buf; | |
| 938 HdrGenState hgs; | |
| 939 | |
| 940 memset(&hgs, 0, sizeof(hgs)); | |
| 941 buf = new OutBuffer(); | |
| 942 toCBuffer(buf, &hgs); | |
| 943 return buf->toChars(); | |
| 944 } | |
| 945 | |
| 946 void Expression::error(const char *format, ...) | |
| 947 { | |
| 948 va_list ap; | |
| 949 va_start(ap, format); | |
| 950 ::verror(loc, format, ap); | |
| 951 va_end( ap ); | |
| 952 } | |
| 953 | |
|
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954 void Expression::warning(const char *format, ...) |
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955 { |
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956 if (global.params.warnings && !global.gag) |
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957 { |
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958 va_list ap; |
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959 va_start(ap, format); |
|
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960 ::vwarning(loc, format, ap); |
|
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961 va_end( ap ); |
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962 } |
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963 } |
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964 |
| 159 | 965 void Expression::rvalue() |
| 966 { | |
| 967 if (type && type->toBasetype()->ty == Tvoid) | |
| 968 { error("expression %s is void and has no value", toChars()); | |
| 969 #if 0 | |
| 970 dump(0); | |
| 971 halt(); | |
| 972 #endif | |
| 336 | 973 type = Type::tint32; |
| 159 | 974 } |
| 975 } | |
| 976 | |
| 977 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 978 { | |
| 979 if (e1) | |
| 980 { | |
| 981 if (e2) | |
| 982 { | |
| 983 e1 = new CommaExp(e1->loc, e1, e2); | |
| 984 e1->type = e2->type; | |
| 985 } | |
| 986 } | |
| 987 else | |
| 988 e1 = e2; | |
| 989 return e1; | |
| 990 } | |
| 991 | |
|
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992 dinteger_t Expression::toInteger() |
| 159 | 993 { |
| 994 //printf("Expression %s\n", Token::toChars(op)); | |
| 995 error("Integer constant expression expected instead of %s", toChars()); | |
| 996 return 0; | |
| 997 } | |
| 998 | |
| 999 uinteger_t Expression::toUInteger() | |
| 1000 { | |
| 1001 //printf("Expression %s\n", Token::toChars(op)); | |
| 1002 return (uinteger_t)toInteger(); | |
| 1003 } | |
| 1004 | |
| 1005 real_t Expression::toReal() | |
| 1006 { | |
| 1007 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1008 return 0; | |
| 1009 } | |
| 1010 | |
| 1011 real_t Expression::toImaginary() | |
| 1012 { | |
| 1013 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1014 return 0; | |
| 1015 } | |
| 1016 | |
| 1017 complex_t Expression::toComplex() | |
| 1018 { | |
| 1019 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1020 #ifdef IN_GCC | |
| 1021 return complex_t(real_t(0)); // %% nicer | |
| 1022 #else | |
| 1023 return 0; | |
| 1024 #endif | |
| 1025 } | |
| 1026 | |
| 1027 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1028 { | |
| 1029 buf->writestring(Token::toChars(op)); | |
| 1030 } | |
| 1031 | |
| 1032 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1033 { | |
| 1034 error("expression %s is not a valid template value argument", toChars()); | |
| 1035 } | |
| 1036 | |
|
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1037 /*************************************** |
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1038 * Return !=0 if expression is an lvalue. |
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1039 */ |
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1040 #if DMDV2 |
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1041 int Expression::isLvalue() |
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1042 { |
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1043 return 0; |
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1044 } |
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1045 #endif |
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1046 |
| 159 | 1047 /******************************* |
| 1048 * Give error if we're not an lvalue. | |
| 1049 * If we can, convert expression to be an lvalue. | |
| 1050 */ | |
| 1051 | |
| 1052 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1053 { | |
| 1054 if (!e) | |
| 1055 e = this; | |
| 1056 else if (!loc.filename) | |
| 1057 loc = e->loc; | |
| 1058 error("%s is not an lvalue", e->toChars()); | |
| 1059 return this; | |
| 1060 } | |
| 1061 | |
| 1062 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1063 { | |
|
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1064 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1065 |
| 159 | 1066 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1067 #if DMDV2 |
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1068 if (type && (!type->isMutable() || !type->isAssignable())) |
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1069 error("%s is not mutable", e->toChars()); |
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1070 #endif |
| 159 | 1071 return toLvalue(sc, e); |
| 1072 } | |
| 1073 | |
| 1074 /************************************ | |
| 1075 * Detect cases where pointers to the stack can 'escape' the | |
| 1076 * lifetime of the stack frame. | |
| 1077 */ | |
| 1078 | |
| 1079 void Expression::checkEscape() | |
| 1080 { | |
| 1081 } | |
| 1082 | |
| 1083 void Expression::checkScalar() | |
| 1084 { | |
| 1085 if (!type->isscalar()) | |
| 1086 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1087 } | |
| 1088 | |
| 1089 void Expression::checkNoBool() | |
| 1090 { | |
| 1091 if (type->toBasetype()->ty == Tbool) | |
| 1092 error("operation not allowed on bool '%s'", toChars()); | |
| 1093 } | |
| 1094 | |
| 1095 Expression *Expression::checkIntegral() | |
| 1096 { | |
| 1097 if (!type->isintegral()) | |
| 1098 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1099 return new IntegerExp(0); | |
| 1100 } | |
| 1101 return this; | |
| 1102 } | |
| 1103 | |
| 1104 Expression *Expression::checkArithmetic() | |
| 1105 { | |
| 1106 if (!type->isintegral() && !type->isfloating()) | |
| 1107 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1108 return new IntegerExp(0); | |
| 1109 } | |
| 1110 return this; | |
| 1111 } | |
| 1112 | |
| 1113 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1114 { | |
| 1115 s->checkDeprecated(loc, sc); | |
| 1116 } | |
| 1117 | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1118 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
1119 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
1120 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1121 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1122 error("pure function '%s' cannot call impure function '%s'\n", |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
1123 sc->func->toChars(), f->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1124 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1125 #endif |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1126 |
| 159 | 1127 /******************************** |
| 1128 * Check for expressions that have no use. | |
| 1129 * Input: | |
| 1130 * flag 0 not going to use the result, so issue error message if no | |
| 1131 * side effects | |
| 1132 * 1 the result of the expression is used, but still check | |
| 1133 * for useless subexpressions | |
| 1134 * 2 do not issue error messages, just return !=0 if expression | |
| 1135 * has side effects | |
| 1136 */ | |
| 1137 | |
| 1138 int Expression::checkSideEffect(int flag) | |
| 1139 { | |
| 1140 if (flag == 0) | |
| 1141 { if (op == TOKimport) | |
| 1142 { | |
| 1143 error("%s has no effect", toChars()); | |
| 1144 } | |
| 1145 else | |
| 1146 error("%s has no effect in expression (%s)", | |
| 1147 Token::toChars(op), toChars()); | |
| 1148 } | |
| 1149 return 0; | |
| 1150 } | |
| 1151 | |
| 1152 /***************************** | |
| 1153 * Check that expression can be tested for true or false. | |
| 1154 */ | |
| 1155 | |
| 1156 Expression *Expression::checkToBoolean() | |
| 1157 { | |
| 1158 // Default is 'yes' - do nothing | |
| 1159 | |
| 1160 #ifdef DEBUG | |
| 1161 if (!type) | |
| 1162 dump(0); | |
| 1163 #endif | |
| 1164 | |
| 1165 if (!type->checkBoolean()) | |
| 1166 { | |
| 1167 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1168 } | |
| 1169 return this; | |
| 1170 } | |
| 1171 | |
| 1172 /**************************** | |
| 1173 */ | |
| 1174 | |
| 1175 Expression *Expression::checkToPointer() | |
| 1176 { | |
| 1177 Expression *e; | |
| 1178 Type *tb; | |
| 1179 | |
| 1180 //printf("Expression::checkToPointer()\n"); | |
| 1181 e = this; | |
| 1182 | |
| 1183 // If C static array, convert to pointer | |
| 1184 tb = type->toBasetype(); | |
| 1185 if (tb->ty == Tsarray) | |
| 1186 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1187 if (ts->size(loc) == 0) | |
| 1188 e = new NullExp(loc); | |
| 1189 else | |
| 1190 e = new AddrExp(loc, this); | |
| 336 | 1191 e->type = ts->next->pointerTo(); |
| 159 | 1192 } |
| 1193 return e; | |
| 1194 } | |
| 1195 | |
| 1196 /****************************** | |
| 1197 * Take address of expression. | |
| 1198 */ | |
| 1199 | |
| 1200 Expression *Expression::addressOf(Scope *sc) | |
| 1201 { | |
| 1202 Expression *e; | |
| 1203 | |
| 1204 //printf("Expression::addressOf()\n"); | |
| 1205 e = toLvalue(sc, NULL); | |
| 1206 e = new AddrExp(loc, e); | |
| 1207 e->type = type->pointerTo(); | |
| 1208 return e; | |
| 1209 } | |
| 1210 | |
| 1211 /****************************** | |
| 1212 * If this is a reference, dereference it. | |
| 1213 */ | |
| 1214 | |
| 1215 Expression *Expression::deref() | |
| 1216 { | |
| 1217 //printf("Expression::deref()\n"); | |
| 1218 if (type->ty == Treference) | |
| 1219 { Expression *e; | |
| 1220 | |
| 1221 e = new PtrExp(loc, this); | |
| 336 | 1222 e->type = ((TypeReference *)type)->next; |
| 159 | 1223 return e; |
| 1224 } | |
| 1225 return this; | |
| 1226 } | |
| 1227 | |
| 1228 /******************************** | |
| 1229 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1230 */ | |
| 1231 | |
| 1232 int Expression::isBool(int result) | |
| 1233 { | |
| 1234 return FALSE; | |
| 1235 } | |
| 1236 | |
| 1237 /******************************** | |
| 1238 * Does this expression result in either a 1 or a 0? | |
| 1239 */ | |
| 1240 | |
| 1241 int Expression::isBit() | |
| 1242 { | |
| 1243 return FALSE; | |
| 1244 } | |
| 1245 | |
| 336 | 1246 /******************************** |
| 1247 * Can this expression throw an exception? | |
| 1248 * Valid only after semantic() pass. | |
| 1249 */ | |
| 1250 | |
| 1251 int Expression::canThrow() | |
| 1252 { | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
1253 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1254 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1255 #else |
| 336 | 1256 return TRUE; |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
1257 #endif |
| 336 | 1258 } |
| 1259 | |
| 1260 | |
| 1261 | |
| 159 | 1262 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1263 { Expressions *a = NULL; | |
| 1264 | |
| 1265 if (exps) | |
| 1266 { | |
| 1267 a = new Expressions(); | |
| 1268 a->setDim(exps->dim); | |
| 1269 for (int i = 0; i < a->dim; i++) | |
| 1270 { Expression *e = (Expression *)exps->data[i]; | |
| 1271 | |
| 1272 e = e->syntaxCopy(); | |
| 1273 a->data[i] = e; | |
| 1274 } | |
| 1275 } | |
| 1276 return a; | |
| 1277 } | |
| 1278 | |
| 1279 /******************************** IntegerExp **************************/ | |
| 1280 | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
1281 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1282 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1283 { | |
| 1284 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1285 if (type && !type->isscalar()) | |
| 1286 { | |
| 336 | 1287 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1288 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1289 type = Type::terror; | |
| 1290 } | |
| 1291 this->type = type; | |
| 1292 this->value = value; | |
| 1293 } | |
| 1294 | |
|
1195
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Merged DMD 1.042.
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diff
changeset
|
1295 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1296 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1297 { | |
| 1298 this->type = Type::tint32; | |
| 1299 this->value = value; | |
| 1300 } | |
| 1301 | |
| 1302 int IntegerExp::equals(Object *o) | |
| 1303 { IntegerExp *ne; | |
| 1304 | |
| 1305 if (this == o || | |
| 1306 (((Expression *)o)->op == TOKint64 && | |
| 1307 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1308 value == ne->value)) | |
| 1309 return 1; | |
| 1310 return 0; | |
| 1311 } | |
| 1312 | |
| 1313 char *IntegerExp::toChars() | |
| 1314 { | |
| 1315 #if 1 | |
| 1316 return Expression::toChars(); | |
| 1317 #else | |
| 1318 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
|
1319 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1320 sprintf(buffer, "%jd", value); |
| 159 | 1321 return buffer; |
| 1322 #endif | |
| 1323 } | |
| 1324 | |
|
1195
e961851fb8be
Merged DMD 1.042.
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parents:
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diff
changeset
|
1325 dinteger_t IntegerExp::toInteger() |
| 159 | 1326 { Type *t; |
| 1327 | |
| 1328 t = type; | |
| 1329 while (t) | |
| 1330 { | |
| 1331 switch (t->ty) | |
| 1332 { | |
| 1333 case Tbit: | |
| 1334 case Tbool: value = (value != 0); break; | |
| 1335 case Tint8: value = (d_int8) value; break; | |
| 1336 case Tchar: | |
| 1337 case Tuns8: value = (d_uns8) value; break; | |
| 1338 case Tint16: value = (d_int16) value; break; | |
| 1339 case Twchar: | |
| 1340 case Tuns16: value = (d_uns16) value; break; | |
| 1341 case Tint32: value = (d_int32) value; break; | |
| 1342 case Tdchar: | |
| 1343 case Tuns32: value = (d_uns32) value; break; | |
| 1344 case Tint64: value = (d_int64) value; break; | |
| 1345 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
|
1346 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
|
1347 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
|
1348 value = (d_uns32) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1349 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
|
1350 value = (d_uns64) value; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1351 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1352 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
|
1353 break; |
| 159 | 1354 |
| 1355 case Tenum: | |
| 1356 { | |
| 1357 TypeEnum *te = (TypeEnum *)t; | |
| 1358 t = te->sym->memtype; | |
| 1359 continue; | |
| 1360 } | |
| 1361 | |
| 1362 case Ttypedef: | |
| 1363 { | |
| 1364 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1365 t = tt->sym->basetype; | |
| 1366 continue; | |
| 1367 } | |
| 1368 | |
| 1369 default: | |
| 336 | 1370 /* This can happen if errors, such as |
| 1371 * the type is painted on like in fromConstInitializer(). | |
| 1372 */ | |
| 1373 if (!global.errors) | |
| 1374 { type->print(); | |
| 1375 assert(0); | |
| 1376 } | |
| 159 | 1377 break; |
| 1378 } | |
| 1379 break; | |
| 1380 } | |
| 1381 return value; | |
| 1382 } | |
| 1383 | |
| 1384 real_t IntegerExp::toReal() | |
| 1385 { | |
| 1386 Type *t; | |
| 1387 | |
| 1388 toInteger(); | |
| 1389 t = type->toBasetype(); | |
| 1390 if (t->ty == Tuns64) | |
| 1391 return (real_t)(d_uns64)value; | |
| 1392 else | |
| 1393 return (real_t)(d_int64)value; | |
| 1394 } | |
| 1395 | |
| 1396 real_t IntegerExp::toImaginary() | |
| 1397 { | |
| 1398 return (real_t) 0; | |
| 1399 } | |
| 1400 | |
| 1401 complex_t IntegerExp::toComplex() | |
| 1402 { | |
| 1403 return toReal(); | |
| 1404 } | |
| 1405 | |
| 1406 int IntegerExp::isBool(int result) | |
| 1407 { | |
| 1408 return result ? value != 0 : value == 0; | |
| 1409 } | |
| 1410 | |
| 1411 Expression *IntegerExp::semantic(Scope *sc) | |
| 1412 { | |
| 1413 if (!type) | |
| 1414 { | |
| 1415 // 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
|
1416 dinteger_t number = value; |
| 159 | 1417 |
| 1418 if (number & 0x8000000000000000LL) | |
| 1419 type = Type::tuns64; | |
| 1420 else if (number & 0xFFFFFFFF80000000LL) | |
| 1421 type = Type::tint64; | |
| 1422 else | |
| 1423 type = Type::tint32; | |
| 1424 } | |
| 1425 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
|
1426 { 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
|
1427 type = type->semantic(loc, sc); |
| 159 | 1428 } |
| 1429 return this; | |
| 1430 } | |
| 1431 | |
| 1432 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1433 { | |
| 1434 if (!e) | |
| 1435 e = this; | |
| 1436 else if (!loc.filename) | |
| 1437 loc = e->loc; | |
| 1438 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1439 return this; | |
| 1440 } | |
| 1441 | |
| 1442 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1443 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1444 dinteger_t v = toInteger(); |
| 159 | 1445 |
| 1446 if (type) | |
| 1447 { Type *t = type; | |
| 1448 | |
| 1449 L1: | |
| 1450 switch (t->ty) | |
| 1451 { | |
| 1452 case Tenum: | |
| 1453 { TypeEnum *te = (TypeEnum *)t; | |
| 1454 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1455 t = te->sym->memtype; | |
| 1456 goto L1; | |
| 1457 } | |
| 1458 | |
| 1459 case Ttypedef: | |
| 1460 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1461 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1462 t = tt->sym->basetype; | |
| 1463 goto L1; | |
| 1464 } | |
| 1465 | |
| 1466 case Twchar: // BUG: need to cast(wchar) | |
| 1467 case Tdchar: // BUG: need to cast(dchar) | |
| 1468 if ((uinteger_t)v > 0xFF) | |
| 1469 { | |
| 1470 buf->printf("'\\U%08x'", v); | |
| 1471 break; | |
| 1472 } | |
| 1473 case Tchar: | |
| 1474 if (v == '\'') | |
| 1475 buf->writestring("'\\''"); | |
| 1476 else if (isprint(v) && v != '\\') | |
| 1477 buf->printf("'%c'", (int)v); | |
| 1478 else | |
| 1479 buf->printf("'\\x%02x'", (int)v); | |
| 1480 break; | |
| 1481 | |
| 1482 case Tint8: | |
| 1483 buf->writestring("cast(byte)"); | |
| 1484 goto L2; | |
| 1485 | |
| 1486 case Tint16: | |
| 1487 buf->writestring("cast(short)"); | |
| 1488 goto L2; | |
| 1489 | |
| 1490 case Tint32: | |
| 1491 L2: | |
| 1492 buf->printf("%d", (int)v); | |
| 1493 break; | |
| 1494 | |
| 1495 case Tuns8: | |
| 1496 buf->writestring("cast(ubyte)"); | |
| 1497 goto L3; | |
| 1498 | |
| 1499 case Tuns16: | |
| 1500 buf->writestring("cast(ushort)"); | |
| 1501 goto L3; | |
| 1502 | |
| 1503 case Tuns32: | |
| 1504 L3: | |
| 1505 buf->printf("%du", (unsigned)v); | |
| 1506 break; | |
| 1507 | |
| 1508 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1509 buf->printf("%jdL", v); |
| 159 | 1510 break; |
| 1511 | |
| 1512 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1513 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1514 buf->printf("%juLU", v); |
| 159 | 1515 break; |
| 1516 | |
| 1517 case Tbit: | |
| 1518 case Tbool: | |
| 1519 buf->writestring((char *)(v ? "true" : "false")); | |
| 1520 break; | |
| 1521 | |
| 1522 case Tpointer: | |
| 1523 buf->writestring("cast("); | |
| 1524 buf->writestring(t->toChars()); | |
| 1525 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
|
1526 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
|
1527 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1528 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
|
1529 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1530 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1531 assert(0); |
| 159 | 1532 |
| 1533 default: | |
| 336 | 1534 /* This can happen if errors, such as |
| 1535 * the type is painted on like in fromConstInitializer(). | |
| 1536 */ | |
| 1537 if (!global.errors) | |
| 1538 { | |
| 159 | 1539 #ifdef DEBUG |
| 336 | 1540 t->print(); |
| 159 | 1541 #endif |
| 336 | 1542 assert(0); |
| 1543 } | |
| 1544 break; | |
| 159 | 1545 } |
| 1546 } | |
| 1547 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1548 buf->printf("0x%jx", v); |
| 159 | 1549 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1550 buf->printf("%jd", v); |
| 159 | 1551 } |
| 1552 | |
| 1553 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1554 { | |
| 1555 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
|
1556 buf->printf("N%jd", -value); |
| 159 | 1557 else |
|
1103
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1558 buf->printf("%jd", value); |
| 159 | 1559 } |
| 1560 | |
| 1561 /******************************** RealExp **************************/ | |
| 1562 | |
| 1563 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1564 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1565 { | |
| 1566 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1567 this->value = value; | |
| 1568 this->type = type; | |
| 1569 } | |
| 1570 | |
| 1571 char *RealExp::toChars() | |
| 1572 { | |
| 1573 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1574 | |
| 1575 #ifdef IN_GCC | |
| 1576 value.format(buffer, sizeof(buffer)); | |
| 1577 if (type->isimaginary()) | |
| 1578 strcat(buffer, "i"); | |
| 1579 #else | |
| 1580 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1581 #endif | |
| 1582 assert(strlen(buffer) < sizeof(buffer)); | |
| 1583 return mem.strdup(buffer); | |
| 1584 } | |
| 1585 | |
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1586 dinteger_t RealExp::toInteger() |
| 159 | 1587 { |
| 1588 #ifdef IN_GCC | |
| 1589 return toReal().toInt(); | |
| 1590 #else | |
| 1591 return (sinteger_t) toReal(); | |
| 1592 #endif | |
| 1593 } | |
| 1594 | |
| 1595 uinteger_t RealExp::toUInteger() | |
| 1596 { | |
| 1597 #ifdef IN_GCC | |
| 1598 return (uinteger_t) toReal().toInt(); | |
| 1599 #else | |
| 1600 return (uinteger_t) toReal(); | |
| 1601 #endif | |
| 1602 } | |
| 1603 | |
| 1604 real_t RealExp::toReal() | |
| 1605 { | |
| 1606 return type->isreal() ? value : 0; | |
| 1607 } | |
| 1608 | |
| 1609 real_t RealExp::toImaginary() | |
| 1610 { | |
| 1611 return type->isreal() ? 0 : value; | |
| 1612 } | |
| 1613 | |
| 1614 complex_t RealExp::toComplex() | |
| 1615 { | |
| 1616 #ifdef __DMC__ | |
| 1617 return toReal() + toImaginary() * I; | |
| 1618 #else | |
| 1619 return complex_t(toReal(), toImaginary()); | |
| 1620 #endif | |
| 1621 } | |
| 1622 | |
| 1623 /******************************** | |
| 1624 * Test to see if two reals are the same. | |
| 1625 * Regard NaN's as equivalent. | |
| 1626 * Regard +0 and -0 as different. | |
| 1627 */ | |
| 1628 | |
| 1629 int RealEquals(real_t x1, real_t x2) | |
| 1630 { | |
|
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1631 #if __APPLE__ |
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1632 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1633 #else |
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1634 return // special case nans |
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1635 (isnan(x1) && isnan(x2)) || |
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1636 #endif |
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1637 // and zero, in order to distinguish +0 from -0 |
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1638 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1639 // otherwise just compare |
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1640 (x1 != 0. && x1 == x2); |
| 159 | 1641 } |
| 1642 | |
| 1643 int RealExp::equals(Object *o) | |
| 1644 { RealExp *ne; | |
| 1645 | |
| 1646 if (this == o || | |
| 1647 (((Expression *)o)->op == TOKfloat64 && | |
| 1648 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1649 RealEquals(value, ne->value) | |
| 1650 ) | |
| 1651 ) | |
| 1652 return 1; | |
| 1653 return 0; | |
| 1654 } | |
| 1655 | |
| 1656 Expression *RealExp::semantic(Scope *sc) | |
| 1657 { | |
| 1658 if (!type) | |
| 1659 type = Type::tfloat64; | |
| 1660 else | |
| 1661 type = type->semantic(loc, sc); | |
| 1662 return this; | |
| 1663 } | |
| 1664 | |
| 1665 int RealExp::isBool(int result) | |
| 1666 { | |
| 1667 #ifdef IN_GCC | |
| 1668 return result ? (! value.isZero()) : (value.isZero()); | |
| 1669 #else | |
| 1670 return result ? (value != 0) | |
| 1671 : (value == 0); | |
| 1672 #endif | |
| 1673 } | |
| 1674 | |
| 1675 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1676 { | |
| 1677 /* In order to get an exact representation, try converting it | |
| 1678 * to decimal then back again. If it matches, use it. | |
| 1679 * If it doesn't, fall back to hex, which is | |
| 1680 * always exact. | |
| 1681 */ | |
| 1682 char buffer[25]; | |
| 1683 sprintf(buffer, "%Lg", value); | |
| 1684 assert(strlen(buffer) < sizeof(buffer)); | |
| 1685 #if _WIN32 && __DMC__ | |
| 1686 char *save = __locale_decpoint; | |
| 1687 __locale_decpoint = "."; | |
| 1688 real_t r = strtold(buffer, NULL); | |
| 1689 __locale_decpoint = save; | |
| 1690 #else | |
| 1691 real_t r = strtold(buffer, NULL); | |
| 1692 #endif | |
| 1693 if (r == value) // if exact duplication | |
| 1694 buf->writestring(buffer); | |
| 1695 else | |
| 1696 buf->printf("%La", value); // ensure exact duplication | |
| 1697 | |
| 1698 if (type) | |
| 1699 { | |
| 1700 Type *t = type->toBasetype(); | |
| 1701 switch (t->ty) | |
| 1702 { | |
| 1703 case Tfloat32: | |
| 1704 case Timaginary32: | |
| 1705 case Tcomplex32: | |
| 1706 buf->writeByte('F'); | |
| 1707 break; | |
| 1708 | |
| 1709 case Tfloat80: | |
| 1710 case Timaginary80: | |
| 1711 case Tcomplex80: | |
| 1712 buf->writeByte('L'); | |
| 1713 break; | |
| 1714 | |
| 1715 default: | |
| 1716 break; | |
| 1717 } | |
| 1718 if (t->isimaginary()) | |
| 1719 buf->writeByte('i'); | |
| 1720 } | |
| 1721 } | |
| 1722 | |
| 1723 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1724 { | |
| 1725 floatToBuffer(buf, type, value); | |
| 1726 } | |
| 1727 | |
| 1728 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1729 { | |
| 1730 /* Rely on %A to get portable mangling. | |
| 1731 * Must munge result to get only identifier characters. | |
| 1732 * | |
| 1733 * Possible values from %A => mangled result | |
| 1734 * NAN => NAN | |
| 1735 * -INF => NINF | |
| 1736 * INF => INF | |
| 1737 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1738 * 0X1.9P+2 => 19P2 | |
| 1739 */ | |
| 1740 | |
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1741 #if __APPLE__ |
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1742 if (__inline_isnan(value)) |
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1743 #else |
| 159 | 1744 if (isnan(value)) |
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1745 #endif |
| 159 | 1746 buf->writestring("NAN"); // no -NAN bugs |
| 1747 else | |
| 1748 { | |
| 1749 char buffer[32]; | |
| 1750 int n = sprintf(buffer, "%LA", value); | |
| 1751 assert(n > 0 && n < sizeof(buffer)); | |
| 1752 for (int i = 0; i < n; i++) | |
| 1753 { char c = buffer[i]; | |
| 1754 | |
| 1755 switch (c) | |
| 1756 { | |
| 1757 case '-': | |
| 1758 buf->writeByte('N'); | |
| 1759 break; | |
| 1760 | |
| 1761 case '+': | |
| 1762 case 'X': | |
| 1763 case '.': | |
| 1764 break; | |
| 1765 | |
| 1766 case '0': | |
| 1767 if (i < 2) | |
| 1768 break; // skip leading 0X | |
| 1769 default: | |
| 1770 buf->writeByte(c); | |
| 1771 break; | |
| 1772 } | |
| 1773 } | |
| 1774 } | |
| 1775 } | |
| 1776 | |
| 1777 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1778 { | |
| 1779 buf->writeByte('e'); | |
| 1780 realToMangleBuffer(buf, value); | |
| 1781 } | |
| 1782 | |
| 1783 | |
| 1784 /******************************** ComplexExp **************************/ | |
| 1785 | |
| 1786 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1787 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1788 { | |
| 1789 this->value = value; | |
| 1790 this->type = type; | |
| 1791 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1792 } | |
| 1793 | |
| 1794 char *ComplexExp::toChars() | |
| 1795 { | |
| 1796 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1797 | |
| 1798 #ifdef IN_GCC | |
| 1799 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1800 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1801 creall(value).format(buf1, sizeof(buf1)); | |
| 1802 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1803 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1804 #else | |
| 1805 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1806 assert(strlen(buffer) < sizeof(buffer)); | |
| 1807 #endif | |
| 1808 return mem.strdup(buffer); | |
| 1809 } | |
| 1810 | |
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1811 dinteger_t ComplexExp::toInteger() |
| 159 | 1812 { |
| 1813 #ifdef IN_GCC | |
| 1814 return (sinteger_t) toReal().toInt(); | |
| 1815 #else | |
| 1816 return (sinteger_t) toReal(); | |
| 1817 #endif | |
| 1818 } | |
| 1819 | |
| 1820 uinteger_t ComplexExp::toUInteger() | |
| 1821 { | |
| 1822 #ifdef IN_GCC | |
| 1823 return (uinteger_t) toReal().toInt(); | |
| 1824 #else | |
| 1825 return (uinteger_t) toReal(); | |
| 1826 #endif | |
| 1827 } | |
| 1828 | |
| 1829 real_t ComplexExp::toReal() | |
| 1830 { | |
| 1831 return creall(value); | |
| 1832 } | |
| 1833 | |
| 1834 real_t ComplexExp::toImaginary() | |
| 1835 { | |
| 1836 return cimagl(value); | |
| 1837 } | |
| 1838 | |
| 1839 complex_t ComplexExp::toComplex() | |
| 1840 { | |
| 1841 return value; | |
| 1842 } | |
| 1843 | |
| 1844 int ComplexExp::equals(Object *o) | |
| 1845 { ComplexExp *ne; | |
| 1846 | |
| 1847 if (this == o || | |
| 1848 (((Expression *)o)->op == TOKcomplex80 && | |
| 1849 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1850 RealEquals(creall(value), creall(ne->value)) && | |
| 1851 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1852 ) | |
| 1853 ) | |
| 1854 return 1; | |
| 1855 return 0; | |
| 1856 } | |
| 1857 | |
| 1858 Expression *ComplexExp::semantic(Scope *sc) | |
| 1859 { | |
| 1860 if (!type) | |
| 1861 type = Type::tcomplex80; | |
| 1862 else | |
| 1863 type = type->semantic(loc, sc); | |
| 1864 return this; | |
| 1865 } | |
| 1866 | |
| 1867 int ComplexExp::isBool(int result) | |
| 1868 { | |
| 1869 if (result) | |
| 1870 return (bool)(value); | |
| 1871 else | |
| 1872 return !value; | |
| 1873 } | |
| 1874 | |
| 1875 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1876 { | |
| 1877 /* Print as: | |
| 1878 * (re+imi) | |
| 1879 */ | |
| 1880 #ifdef IN_GCC | |
| 1881 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1882 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1883 creall(value).format(buf1, sizeof(buf1)); | |
| 1884 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1885 buf->printf("(%s+%si)", buf1, buf2); | |
| 1886 #else | |
| 1887 buf->writeByte('('); | |
| 1888 floatToBuffer(buf, type, creall(value)); | |
| 1889 buf->writeByte('+'); | |
| 1890 floatToBuffer(buf, type, cimagl(value)); | |
| 1891 buf->writestring("i)"); | |
| 1892 #endif | |
| 1893 } | |
| 1894 | |
| 1895 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1896 { | |
| 1897 buf->writeByte('c'); | |
| 1898 real_t r = toReal(); | |
| 1899 realToMangleBuffer(buf, r); | |
| 1900 buf->writeByte('c'); // separate the two | |
| 1901 r = toImaginary(); | |
| 1902 realToMangleBuffer(buf, r); | |
| 1903 } | |
| 1904 | |
| 1905 /******************************** IdentifierExp **************************/ | |
| 1906 | |
| 1907 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1908 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1909 { | |
| 1910 this->ident = ident; | |
| 1911 } | |
| 1912 | |
| 1913 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1914 { | |
| 1915 Dsymbol *s; | |
| 1916 Dsymbol *scopesym; | |
| 1917 | |
| 1918 #if LOGSEMANTIC | |
| 1919 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1920 #endif | |
| 1921 s = sc->search(loc, ident, &scopesym); | |
| 1922 if (s) | |
| 1923 { Expression *e; | |
| 1924 WithScopeSymbol *withsym; | |
| 1925 | |
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1926 /* See if the symbol was a member of an enclosing 'with' |
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1927 */ |
| 159 | 1928 withsym = scopesym->isWithScopeSymbol(); |
| 1929 if (withsym) | |
| 1930 { | |
| 1931 s = s->toAlias(); | |
| 1932 | |
| 1933 // Same as wthis.ident | |
| 1934 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1935 { | |
| 1936 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1937 e = new DotIdExp(loc, e, ident); | |
| 1938 } | |
| 1939 else | |
| 1940 { Type *t = withsym->withstate->wthis->type; | |
| 1941 if (t->ty == Tpointer) | |
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1942 t = ((TypePointer *)t)->next; |
| 159 | 1943 e = new TypeDotIdExp(loc, t, ident); |
| 1944 } | |
| 1945 } | |
| 1946 else | |
| 1947 { | |
| 1948 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1949 { // Kludge to run semantic() here because | |
| 1950 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1951 s->semantic(sc); | |
| 1952 } | |
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1953 /* If f is really a function template, |
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1954 * then replace f with the function template declaration. |
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1955 */ |
| 159 | 1956 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1957 if (f && f->parent) | |
| 1958 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1959 | |
| 1960 if (ti && | |
| 1961 !ti->isTemplateMixin() && | |
| 1962 (ti->name == f->ident || | |
| 1963 ti->toAlias()->ident == f->ident) | |
| 1964 && | |
| 1965 ti->tempdecl && ti->tempdecl->onemember) | |
| 1966 { | |
| 1967 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1968 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1969 tempdecl = tempdecl->overroot; // then get the start | |
| 1970 e = new TemplateExp(loc, tempdecl); | |
| 1971 e = e->semantic(sc); | |
| 1972 return e; | |
| 1973 } | |
| 1974 } | |
| 1975 e = new DsymbolExp(loc, s); | |
| 1976 } | |
| 1977 return e->semantic(sc); | |
| 1978 } | |
| 1979 error("undefined identifier %s", ident->toChars()); | |
| 1980 type = Type::terror; | |
| 1981 return this; | |
| 1982 } | |
| 1983 | |
| 1984 char *IdentifierExp::toChars() | |
| 1985 { | |
| 1986 return ident->toChars(); | |
| 1987 } | |
| 1988 | |
| 1989 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1990 { | |
| 1991 if (hgs->hdrgen) | |
| 1992 buf->writestring(ident->toHChars2()); | |
| 1993 else | |
| 1994 buf->writestring(ident->toChars()); | |
| 1995 } | |
| 1996 | |
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1997 #if DMDV2 |
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1998 int IdentifierExp::isLvalue() |
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1999 { |
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2000 return 1; |
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2001 } |
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2002 #endif |
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2003 |
| 159 | 2004 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2005 { | |
| 2006 #if 0 | |
| 2007 tym = tybasic(e1->ET->Tty); | |
| 2008 if (!(tyscalar(tym) || | |
| 2009 tym == TYstruct || | |
| 2010 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2011 synerr(EM_lvalue); // lvalue expected | |
| 2012 #endif | |
| 2013 return this; | |
| 2014 } | |
| 2015 | |
| 2016 /******************************** DollarExp **************************/ | |
| 2017 | |
| 2018 DollarExp::DollarExp(Loc loc) | |
| 2019 : IdentifierExp(loc, Id::dollar) | |
| 2020 { | |
| 2021 } | |
| 2022 | |
| 2023 /******************************** DsymbolExp **************************/ | |
| 2024 | |
| 2025 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2026 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2027 { | |
| 2028 this->s = s; | |
| 2029 } | |
| 2030 | |
| 2031 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2032 { | |
| 2033 #if LOGSEMANTIC | |
| 2034 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2035 #endif | |
| 2036 | |
| 2037 Lagain: | |
| 2038 EnumMember *em; | |
| 2039 Expression *e; | |
| 2040 VarDeclaration *v; | |
| 2041 FuncDeclaration *f; | |
| 2042 FuncLiteralDeclaration *fld; | |
| 2043 Declaration *d; | |
| 2044 ClassDeclaration *cd; | |
| 2045 ClassDeclaration *thiscd = NULL; | |
| 2046 Import *imp; | |
| 2047 Package *pkg; | |
| 2048 Type *t; | |
| 2049 | |
| 2050 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2051 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2052 if (type) | |
| 2053 return this; | |
| 2054 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2055 checkDeprecated(sc, s); | |
| 2056 s = s->toAlias(); | |
| 2057 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2058 if (!s->isFuncDeclaration()) | |
| 2059 checkDeprecated(sc, s); | |
| 2060 | |
| 2061 if (sc->func) | |
| 2062 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2063 | |
| 2064 // BUG: This should happen after overload resolution for functions, not before | |
| 2065 if (s->needThis()) | |
| 2066 { | |
|
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|
2067 if (hasThis(sc) |
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|
2068 #if DMDV2 |
|
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|
2069 && !s->isFuncDeclaration() |
|
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|
2070 #endif |
|
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|
2071 ) |
| 159 | 2072 { |
| 2073 // Supply an implicit 'this', as in | |
| 2074 // this.ident | |
| 2075 | |
| 2076 DotVarExp *de; | |
| 2077 | |
| 2078 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2079 return de->semantic(sc); | |
| 2080 } | |
| 2081 } | |
| 2082 | |
| 2083 em = s->isEnumMember(); | |
| 2084 if (em) | |
| 2085 { | |
| 2086 e = em->value->copy(); | |
| 2087 e = e->semantic(sc); | |
| 2088 return e; | |
| 2089 } | |
| 2090 v = s->isVarDeclaration(); | |
| 2091 if (v) | |
| 2092 { | |
| 2093 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2094 if (!type) | |
| 2095 { type = v->type; | |
| 2096 if (!v->type) | |
| 2097 { error("forward reference of %s", v->toChars()); | |
| 2098 type = Type::terror; | |
| 2099 } | |
| 2100 } | |
| 2101 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2102 { | |
| 2103 if (v->init) | |
| 2104 { | |
| 2105 if (v->inuse) | |
| 2106 { | |
| 2107 error("circular reference to '%s'", v->toChars()); | |
| 2108 type = Type::tint32; | |
| 2109 return this; | |
| 2110 } | |
| 2111 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2112 if (ei) | |
| 2113 { | |
| 2114 e = ei->exp->copy(); // make copy so we can change loc | |
| 2115 if (e->op == TOKstring || !e->type) | |
| 2116 e = e->semantic(sc); | |
| 2117 e = e->implicitCastTo(sc, type); | |
| 2118 e->loc = loc; | |
| 2119 return e; | |
| 2120 } | |
| 2121 } | |
| 2122 else | |
| 2123 { | |
| 2124 e = type->defaultInit(); | |
| 2125 e->loc = loc; | |
| 2126 return e; | |
| 2127 } | |
| 2128 } | |
| 2129 e = new VarExp(loc, v); | |
| 2130 e->type = type; | |
| 2131 e = e->semantic(sc); | |
| 2132 return e->deref(); | |
| 2133 } | |
| 2134 fld = s->isFuncLiteralDeclaration(); | |
| 2135 if (fld) | |
| 2136 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2137 e = new FuncExp(loc, fld); | |
| 2138 return e->semantic(sc); | |
| 2139 } | |
| 2140 f = s->isFuncDeclaration(); | |
| 2141 if (f) | |
| 2142 { //printf("'%s' is a function\n", f->toChars()); | |
| 2143 return new VarExp(loc, f); | |
| 2144 } | |
| 2145 cd = s->isClassDeclaration(); | |
| 2146 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2147 { | |
| 2148 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2149 DotTypeExp *dte; | |
| 2150 | |
| 2151 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2152 return dte->semantic(sc); | |
| 2153 } | |
| 2154 imp = s->isImport(); | |
| 2155 if (imp) | |
| 2156 { | |
|
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diff
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|
2157 if (!imp->pkg) |
|
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diff
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|
2158 { error("forward reference of import %s", imp->toChars()); |
|
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diff
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|
2159 return this; |
|
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diff
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|
2160 } |
|
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diff
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|
2161 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2162 return ie->semantic(sc); |
| 2163 } | |
| 2164 pkg = s->isPackage(); | |
| 2165 if (pkg) | |
| 2166 { | |
| 2167 ScopeExp *ie; | |
| 2168 | |
| 2169 ie = new ScopeExp(loc, pkg); | |
| 2170 return ie->semantic(sc); | |
| 2171 } | |
| 2172 Module *mod = s->isModule(); | |
| 2173 if (mod) | |
| 2174 { | |
| 2175 ScopeExp *ie; | |
| 2176 | |
| 2177 ie = new ScopeExp(loc, mod); | |
| 2178 return ie->semantic(sc); | |
| 2179 } | |
| 2180 | |
| 2181 t = s->getType(); | |
| 2182 if (t) | |
| 2183 { | |
| 2184 return new TypeExp(loc, t); | |
| 2185 } | |
| 2186 | |
| 2187 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2188 if (tup) | |
| 2189 { | |
| 2190 e = new TupleExp(loc, tup); | |
| 2191 e = e->semantic(sc); | |
| 2192 return e; | |
| 2193 } | |
| 2194 | |
| 2195 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2196 if (ti && !global.errors) | |
| 2197 { if (!ti->semanticdone) | |
| 2198 ti->semantic(sc); | |
| 2199 s = ti->inst->toAlias(); | |
| 2200 if (!s->isTemplateInstance()) | |
| 2201 goto Lagain; | |
| 2202 e = new ScopeExp(loc, ti); | |
| 2203 e = e->semantic(sc); | |
| 2204 return e; | |
| 2205 } | |
| 2206 | |
| 2207 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2208 if (td) | |
| 2209 { | |
| 2210 e = new TemplateExp(loc, td); | |
| 2211 e = e->semantic(sc); | |
| 2212 return e; | |
| 2213 } | |
| 2214 | |
| 2215 Lerr: | |
| 2216 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2217 type = Type::terror; | |
| 2218 return this; | |
| 2219 } | |
| 2220 | |
| 2221 char *DsymbolExp::toChars() | |
| 2222 { | |
| 2223 return s->toChars(); | |
| 2224 } | |
| 2225 | |
| 2226 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2227 { | |
| 2228 buf->writestring(s->toChars()); | |
| 2229 } | |
| 2230 | |
|
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Merged DMD 1.038
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|
2231 #if DMDV2 |
|
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diff
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|
2232 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2233 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2234 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2235 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2236 #endif |
|
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Merged DMD 1.038
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diff
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|
2237 |
| 159 | 2238 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2239 { | |
| 2240 #if 0 | |
| 2241 tym = tybasic(e1->ET->Tty); | |
| 2242 if (!(tyscalar(tym) || | |
| 2243 tym == TYstruct || | |
| 2244 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2245 synerr(EM_lvalue); // lvalue expected | |
| 2246 #endif | |
| 2247 return this; | |
| 2248 } | |
| 2249 | |
| 2250 /******************************** ThisExp **************************/ | |
| 2251 | |
| 2252 ThisExp::ThisExp(Loc loc) | |
| 2253 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2254 { | |
| 2255 var = NULL; | |
| 2256 } | |
| 2257 | |
| 2258 Expression *ThisExp::semantic(Scope *sc) | |
| 2259 { FuncDeclaration *fd; | |
| 2260 FuncDeclaration *fdthis; | |
| 2261 int nested = 0; | |
| 2262 | |
| 2263 #if LOGSEMANTIC | |
| 2264 printf("ThisExp::semantic()\n"); | |
| 2265 #endif | |
| 2266 if (type) | |
| 2267 { //assert(global.errors || var); | |
| 2268 return this; | |
| 2269 } | |
| 2270 | |
| 2271 /* Special case for typeof(this) and typeof(super) since both | |
| 2272 * should work even if they are not inside a non-static member function | |
| 2273 */ | |
| 2274 if (sc->intypeof) | |
| 2275 { | |
| 2276 // Find enclosing struct or class | |
| 2277 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2278 { | |
| 2279 ClassDeclaration *cd; | |
| 2280 StructDeclaration *sd; | |
| 2281 | |
| 2282 if (!s) | |
| 2283 { | |
| 2284 error("%s is not in a struct or class scope", toChars()); | |
| 2285 goto Lerr; | |
| 2286 } | |
| 2287 cd = s->isClassDeclaration(); | |
| 2288 if (cd) | |
| 2289 { | |
| 2290 type = cd->type; | |
| 2291 return this; | |
| 2292 } | |
| 2293 sd = s->isStructDeclaration(); | |
| 2294 if (sd) | |
| 2295 { | |
| 2296 type = sd->type->pointerTo(); | |
| 2297 return this; | |
| 2298 } | |
| 2299 } | |
| 2300 } | |
| 2301 | |
| 2302 fdthis = sc->parent->isFuncDeclaration(); | |
| 2303 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2304 if (!fd) | |
| 2305 goto Lerr; | |
| 2306 | |
| 2307 assert(fd->vthis); | |
| 2308 var = fd->vthis; | |
| 2309 assert(var->parent); | |
| 2310 type = var->type; | |
| 2311 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2312 #if 0 | |
| 2313 if (fd != fdthis) // if nested | |
| 2314 { | |
| 2315 fdthis->getLevel(loc, fd); | |
| 2316 fd->vthis->nestedref = 1; | |
| 2317 fd->nestedFrameRef = 1; | |
| 2318 } | |
| 2319 #endif | |
| 336 | 2320 if (!sc->intypeof) |
| 2321 sc->callSuper |= CSXthis; | |
| 159 | 2322 return this; |
| 2323 | |
| 2324 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
|
2325 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
|
2326 type = Type::terror; |
| 159 | 2327 return this; |
| 2328 } | |
| 2329 | |
| 2330 int ThisExp::isBool(int result) | |
| 2331 { | |
| 2332 return result ? TRUE : FALSE; | |
| 2333 } | |
| 2334 | |
| 2335 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2336 { | |
| 2337 buf->writestring("this"); | |
| 2338 } | |
| 2339 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2340 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2341 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2342 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2343 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2344 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2345 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 |
| 159 | 2347 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2348 { | |
| 2349 return this; | |
| 2350 } | |
| 2351 | |
| 2352 /******************************** SuperExp **************************/ | |
| 2353 | |
| 2354 SuperExp::SuperExp(Loc loc) | |
| 2355 : ThisExp(loc) | |
| 2356 { | |
| 2357 op = TOKsuper; | |
| 2358 } | |
| 2359 | |
| 2360 Expression *SuperExp::semantic(Scope *sc) | |
| 2361 { FuncDeclaration *fd; | |
| 2362 FuncDeclaration *fdthis; | |
| 2363 ClassDeclaration *cd; | |
| 2364 Dsymbol *s; | |
| 2365 | |
| 2366 #if LOGSEMANTIC | |
| 2367 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2368 #endif | |
| 2369 if (type) | |
| 2370 return this; | |
| 2371 | |
| 2372 /* Special case for typeof(this) and typeof(super) since both | |
| 2373 * should work even if they are not inside a non-static member function | |
| 2374 */ | |
| 2375 if (sc->intypeof) | |
| 2376 { | |
| 2377 // Find enclosing class | |
| 2378 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2379 { | |
| 2380 ClassDeclaration *cd; | |
| 2381 | |
| 2382 if (!s) | |
| 2383 { | |
| 2384 error("%s is not in a class scope", toChars()); | |
| 2385 goto Lerr; | |
| 2386 } | |
| 2387 cd = s->isClassDeclaration(); | |
| 2388 if (cd) | |
| 2389 { | |
| 2390 cd = cd->baseClass; | |
| 2391 if (!cd) | |
| 2392 { error("class %s has no 'super'", s->toChars()); | |
| 2393 goto Lerr; | |
| 2394 } | |
| 2395 type = cd->type; | |
| 2396 return this; | |
| 2397 } | |
| 2398 } | |
| 2399 } | |
| 2400 | |
| 2401 fdthis = sc->parent->isFuncDeclaration(); | |
| 2402 fd = hasThis(sc); | |
| 2403 if (!fd) | |
| 2404 goto Lerr; | |
| 2405 assert(fd->vthis); | |
| 2406 var = fd->vthis; | |
| 2407 assert(var->parent); | |
| 2408 | |
| 2409 s = fd->toParent(); | |
| 2410 while (s && s->isTemplateInstance()) | |
| 2411 s = s->toParent(); | |
| 2412 assert(s); | |
| 2413 cd = s->isClassDeclaration(); | |
| 2414 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2415 if (!cd) | |
| 2416 goto Lerr; | |
| 2417 if (!cd->baseClass) | |
| 2418 { | |
| 2419 error("no base class for %s", cd->toChars()); | |
| 2420 type = fd->vthis->type; | |
| 2421 } | |
| 2422 else | |
| 2423 { | |
| 2424 type = cd->baseClass->type; | |
| 2425 } | |
| 2426 | |
| 2427 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2428 #if 0 | |
| 2429 if (fd != fdthis) | |
| 2430 { | |
| 2431 fdthis->getLevel(loc, fd); | |
| 2432 fd->vthis->nestedref = 1; | |
| 2433 fd->nestedFrameRef = 1; | |
| 2434 } | |
| 2435 #endif | |
| 2436 | |
| 336 | 2437 if (!sc->intypeof) |
| 2438 sc->callSuper |= CSXsuper; | |
| 159 | 2439 return this; |
| 2440 | |
| 2441 | |
| 2442 Lerr: | |
| 2443 error("'super' is only allowed in non-static class member functions"); | |
| 2444 type = Type::tint32; | |
| 2445 return this; | |
| 2446 } | |
| 2447 | |
| 2448 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2449 { | |
| 2450 buf->writestring("super"); | |
| 2451 } | |
| 2452 | |
| 2453 | |
| 2454 /******************************** NullExp **************************/ | |
| 2455 | |
| 2456 NullExp::NullExp(Loc loc) | |
| 2457 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2458 { | |
| 2459 committed = 0; | |
| 2460 } | |
| 2461 | |
| 2462 Expression *NullExp::semantic(Scope *sc) | |
| 2463 { | |
| 2464 #if LOGSEMANTIC | |
| 2465 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2466 #endif | |
| 2467 // NULL is the same as (void *)0 | |
| 2468 if (!type) | |
| 2469 type = Type::tvoid->pointerTo(); | |
| 2470 return this; | |
| 2471 } | |
| 2472 | |
| 2473 int NullExp::isBool(int result) | |
| 2474 { | |
| 2475 return result ? FALSE : TRUE; | |
| 2476 } | |
| 2477 | |
| 2478 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2479 { | |
| 2480 buf->writestring("null"); | |
| 2481 } | |
| 2482 | |
| 2483 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2484 { | |
| 2485 buf->writeByte('n'); | |
| 2486 } | |
| 2487 | |
| 2488 /******************************** StringExp **************************/ | |
| 2489 | |
| 2490 StringExp::StringExp(Loc loc, char *string) | |
| 2491 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2492 { | |
| 2493 this->string = string; | |
| 2494 this->len = strlen(string); | |
| 2495 this->sz = 1; | |
| 2496 this->committed = 0; | |
| 2497 this->postfix = 0; | |
| 2498 } | |
| 2499 | |
| 2500 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2501 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2502 { | |
| 2503 this->string = string; | |
| 2504 this->len = len; | |
| 2505 this->sz = 1; | |
| 2506 this->committed = 0; | |
| 2507 this->postfix = 0; | |
| 2508 } | |
| 2509 | |
| 2510 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2511 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2512 { | |
| 2513 this->string = string; | |
| 2514 this->len = len; | |
| 2515 this->sz = 1; | |
| 2516 this->committed = 0; | |
| 2517 this->postfix = postfix; | |
| 2518 } | |
| 2519 | |
| 2520 #if 0 | |
| 2521 Expression *StringExp::syntaxCopy() | |
| 2522 { | |
| 2523 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2524 return copy(); | |
| 2525 } | |
| 2526 #endif | |
| 2527 | |
| 2528 int StringExp::equals(Object *o) | |
| 2529 { | |
| 2530 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2531 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2532 { Expression *e = (Expression *)o; | |
| 2533 | |
| 2534 if (e->op == TOKstring) | |
| 2535 { | |
| 2536 return compare(o) == 0; | |
| 2537 } | |
| 2538 } | |
| 2539 return FALSE; | |
| 2540 } | |
| 2541 | |
| 2542 char *StringExp::toChars() | |
| 2543 { | |
| 2544 OutBuffer buf; | |
| 2545 HdrGenState hgs; | |
| 2546 char *p; | |
| 2547 | |
| 2548 memset(&hgs, 0, sizeof(hgs)); | |
| 2549 toCBuffer(&buf, &hgs); | |
| 2550 buf.writeByte(0); | |
| 2551 p = (char *)buf.data; | |
| 2552 buf.data = NULL; | |
| 2553 return p; | |
| 2554 } | |
| 2555 | |
| 2556 Expression *StringExp::semantic(Scope *sc) | |
| 2557 { | |
| 2558 #if LOGSEMANTIC | |
| 2559 printf("StringExp::semantic() %s\n", toChars()); | |
| 2560 #endif | |
| 2561 if (!type) | |
| 2562 { OutBuffer buffer; | |
| 2563 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2564 const char *p; |
| 159 | 2565 size_t u; |
| 2566 unsigned c; | |
| 2567 | |
| 2568 switch (postfix) | |
| 2569 { | |
| 2570 case 'd': | |
| 2571 for (u = 0; u < len;) | |
| 2572 { | |
| 2573 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2574 if (p) | |
| 2575 { error("%s", p); | |
| 2576 break; | |
| 2577 } | |
| 2578 else | |
| 2579 { buffer.write4(c); | |
| 2580 newlen++; | |
| 2581 } | |
| 2582 } | |
| 2583 buffer.write4(0); | |
| 2584 string = buffer.extractData(); | |
| 2585 len = newlen; | |
| 2586 sz = 4; | |
| 2587 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2588 committed = 1; | |
| 2589 break; | |
| 2590 | |
| 2591 case 'w': | |
| 2592 for (u = 0; u < len;) | |
| 2593 { | |
| 2594 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2595 if (p) | |
| 2596 { error("%s", p); | |
| 2597 break; | |
| 2598 } | |
| 2599 else | |
| 2600 { buffer.writeUTF16(c); | |
| 2601 newlen++; | |
| 2602 if (c >= 0x10000) | |
| 2603 newlen++; | |
| 2604 } | |
| 2605 } | |
| 2606 buffer.writeUTF16(0); | |
| 2607 string = buffer.extractData(); | |
| 2608 len = newlen; | |
| 2609 sz = 2; | |
| 2610 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2611 committed = 1; | |
| 2612 break; | |
| 2613 | |
| 2614 case 'c': | |
| 2615 committed = 1; | |
| 2616 default: | |
| 2617 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2618 break; | |
| 2619 } | |
| 2620 type = type->semantic(loc, sc); | |
| 2621 } | |
| 2622 return this; | |
| 2623 } | |
| 2624 | |
| 2625 /**************************************** | |
| 2626 * Convert string to char[]. | |
| 2627 */ | |
| 2628 | |
| 2629 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2630 { | |
| 2631 if (sz != 1) | |
| 2632 { // Convert to UTF-8 string | |
| 2633 committed = 0; | |
| 2634 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2635 e = e->optimize(WANTvalue); | |
| 2636 assert(e->op == TOKstring); | |
| 2637 StringExp *se = (StringExp *)e; | |
| 2638 assert(se->sz == 1); | |
| 2639 return se; | |
| 2640 } | |
| 2641 return this; | |
| 2642 } | |
| 2643 | |
| 2644 int StringExp::compare(Object *obj) | |
| 2645 { | |
| 2646 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2647 StringExp *se2 = (StringExp *)(obj); | |
| 2648 | |
| 2649 // This is a kludge so isExpression() in template.c will return 5 | |
| 2650 // for StringExp's. | |
| 2651 if (!se2) | |
| 2652 return 5; | |
| 2653 | |
| 2654 assert(se2->op == TOKstring); | |
| 2655 | |
| 2656 int len1 = len; | |
| 2657 int len2 = se2->len; | |
| 2658 | |
| 2659 if (len1 == len2) | |
| 2660 { | |
| 2661 switch (sz) | |
| 2662 { | |
| 2663 case 1: | |
| 2664 return strcmp((char *)string, (char *)se2->string); | |
| 2665 | |
| 2666 case 2: | |
| 2667 { unsigned u; | |
| 2668 d_wchar *s1 = (d_wchar *)string; | |
| 2669 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2670 | |
| 2671 for (u = 0; u < len; u++) | |
| 2672 { | |
| 2673 if (s1[u] != s2[u]) | |
| 2674 return s1[u] - s2[u]; | |
| 2675 } | |
| 2676 } | |
| 2677 | |
| 2678 case 4: | |
| 2679 { unsigned u; | |
| 2680 d_dchar *s1 = (d_dchar *)string; | |
| 2681 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2682 | |
| 2683 for (u = 0; u < len; u++) | |
| 2684 { | |
| 2685 if (s1[u] != s2[u]) | |
| 2686 return s1[u] - s2[u]; | |
| 2687 } | |
| 2688 } | |
| 2689 break; | |
| 2690 | |
| 2691 default: | |
| 2692 assert(0); | |
| 2693 } | |
| 2694 } | |
| 2695 return len1 - len2; | |
| 2696 } | |
| 2697 | |
| 2698 int StringExp::isBool(int result) | |
| 2699 { | |
| 2700 return result ? TRUE : FALSE; | |
| 2701 } | |
| 2702 | |
| 2703 unsigned StringExp::charAt(size_t i) | |
| 2704 { unsigned value; | |
| 2705 | |
| 2706 switch (sz) | |
| 2707 { | |
| 2708 case 1: | |
| 2709 value = ((unsigned char *)string)[i]; | |
| 2710 break; | |
| 2711 | |
| 2712 case 2: | |
| 2713 value = ((unsigned short *)string)[i]; | |
| 2714 break; | |
| 2715 | |
| 2716 case 4: | |
| 2717 value = ((unsigned int *)string)[i]; | |
| 2718 break; | |
| 2719 | |
| 2720 default: | |
| 2721 assert(0); | |
| 2722 break; | |
| 2723 } | |
| 2724 return value; | |
| 2725 } | |
| 2726 | |
| 2727 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2728 { | |
| 2729 buf->writeByte('"'); | |
| 2730 for (size_t i = 0; i < len; i++) | |
| 2731 { unsigned c = charAt(i); | |
| 2732 | |
| 2733 switch (c) | |
| 2734 { | |
| 2735 case '"': | |
| 2736 case '\\': | |
| 2737 if (!hgs->console) | |
| 2738 buf->writeByte('\\'); | |
| 2739 default: | |
| 2740 if (c <= 0xFF) | |
| 2741 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2742 buf->writeByte(c); | |
| 2743 else | |
| 2744 buf->printf("\\x%02x", c); | |
| 2745 } | |
| 2746 else if (c <= 0xFFFF) | |
| 2747 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2748 else | |
| 2749 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2750 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2751 break; | |
| 2752 } | |
| 2753 } | |
| 2754 buf->writeByte('"'); | |
| 2755 if (postfix) | |
| 2756 buf->writeByte(postfix); | |
| 2757 } | |
| 2758 | |
| 2759 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2760 { char m; | |
| 2761 OutBuffer tmp; | |
|
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diff
changeset
|
2762 const char *p; |
| 159 | 2763 unsigned c; |
| 2764 size_t u; | |
| 2765 unsigned char *q; | |
| 2766 unsigned qlen; | |
| 2767 | |
| 2768 /* Write string in UTF-8 format | |
| 2769 */ | |
| 2770 switch (sz) | |
| 2771 { case 1: | |
| 2772 m = 'a'; | |
| 2773 q = (unsigned char *)string; | |
| 2774 qlen = len; | |
| 2775 break; | |
| 2776 case 2: | |
| 2777 m = 'w'; | |
| 2778 for (u = 0; u < len; ) | |
| 2779 { | |
| 2780 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2781 if (p) | |
| 2782 error("%s", p); | |
| 2783 else | |
| 2784 tmp.writeUTF8(c); | |
| 2785 } | |
| 2786 q = tmp.data; | |
| 2787 qlen = tmp.offset; | |
| 2788 break; | |
| 2789 case 4: | |
| 2790 m = 'd'; | |
| 2791 for (u = 0; u < len; u++) | |
| 2792 { | |
| 2793 c = ((unsigned *)string)[u]; | |
| 2794 if (!utf_isValidDchar(c)) | |
| 2795 error("invalid UCS-32 char \\U%08x", c); | |
| 2796 else | |
| 2797 tmp.writeUTF8(c); | |
| 2798 } | |
| 2799 q = tmp.data; | |
| 2800 qlen = tmp.offset; | |
| 2801 break; | |
| 2802 default: | |
| 2803 assert(0); | |
| 2804 } | |
| 2805 buf->writeByte(m); | |
| 2806 buf->printf("%d_", qlen); | |
| 2807 for (size_t i = 0; i < qlen; i++) | |
| 2808 buf->printf("%02x", q[i]); | |
| 2809 } | |
| 2810 | |
| 2811 /************************ ArrayLiteralExp ************************************/ | |
| 2812 | |
| 2813 // [ e1, e2, e3, ... ] | |
| 2814 | |
| 2815 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2816 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2817 { | |
| 2818 this->elements = elements; | |
| 2819 } | |
| 2820 | |
| 2821 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2822 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2823 { | |
| 2824 elements = new Expressions; | |
| 2825 elements->push(e); | |
| 2826 } | |
| 2827 | |
| 2828 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2829 { | |
| 2830 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2831 } | |
| 2832 | |
| 2833 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2834 { Expression *e; | |
| 2835 Type *t0 = NULL; | |
| 2836 | |
| 2837 #if LOGSEMANTIC | |
| 2838 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2839 #endif | |
| 2840 if (type) | |
| 2841 return this; | |
| 2842 | |
| 2843 // Run semantic() on each element | |
| 2844 for (int i = 0; i < elements->dim; i++) | |
| 2845 { e = (Expression *)elements->data[i]; | |
| 2846 e = e->semantic(sc); | |
| 2847 elements->data[i] = (void *)e; | |
| 2848 } | |
| 2849 expandTuples(elements); | |
| 2850 for (int i = 0; i < elements->dim; i++) | |
| 2851 { e = (Expression *)elements->data[i]; | |
| 2852 | |
| 2853 if (!e->type) | |
| 2854 error("%s has no value", e->toChars()); | |
| 2855 e = resolveProperties(sc, e); | |
| 2856 | |
| 2857 unsigned char committed = 1; | |
| 2858 if (e->op == TOKstring) | |
| 2859 committed = ((StringExp *)e)->committed; | |
| 2860 | |
| 2861 if (!t0) | |
| 2862 { t0 = e->type; | |
| 2863 // Convert any static arrays to dynamic arrays | |
| 2864 if (t0->ty == Tsarray) | |
| 2865 { | |
|
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diff
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|
2866 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2867 e = e->implicitCastTo(sc, t0); |
| 2868 } | |
| 2869 } | |
| 2870 else | |
| 2871 e = e->implicitCastTo(sc, t0); | |
| 2872 if (!committed && e->op == TOKstring) | |
| 2873 { StringExp *se = (StringExp *)e; | |
| 2874 se->committed = 0; | |
| 2875 } | |
| 2876 elements->data[i] = (void *)e; | |
| 2877 } | |
| 2878 | |
| 2879 if (!t0) | |
| 2880 t0 = Type::tvoid; | |
| 2881 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2882 type = type->semantic(loc, sc); | |
| 2883 return this; | |
| 2884 } | |
| 2885 | |
| 2886 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2887 { int f = 0; | |
| 2888 | |
| 2889 for (size_t i = 0; i < elements->dim; i++) | |
| 2890 { Expression *e = (Expression *)elements->data[i]; | |
| 2891 | |
| 2892 f |= e->checkSideEffect(2); | |
| 2893 } | |
| 2894 if (flag == 0 && f == 0) | |
| 2895 Expression::checkSideEffect(0); | |
| 2896 return f; | |
| 2897 } | |
| 2898 | |
| 2899 int ArrayLiteralExp::isBool(int result) | |
| 2900 { | |
| 2901 size_t dim = elements ? elements->dim : 0; | |
| 2902 return result ? (dim != 0) : (dim == 0); | |
| 2903 } | |
| 2904 | |
|
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diff
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|
2905 #if DMDV2 |
|
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diff
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|
2906 int ArrayLiteralExp::canThrow() |
|
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parents:
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diff
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|
2907 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2908 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2909 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2910 #endif |
|
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parents:
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diff
changeset
|
2911 |
| 159 | 2912 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2913 { | |
| 2914 buf->writeByte('['); | |
| 2915 argsToCBuffer(buf, elements, hgs); | |
| 2916 buf->writeByte(']'); | |
| 2917 } | |
| 2918 | |
| 2919 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2920 { | |
| 2921 size_t dim = elements ? elements->dim : 0; | |
| 2922 buf->printf("A%u", dim); | |
| 2923 for (size_t i = 0; i < dim; i++) | |
| 2924 { Expression *e = (Expression *)elements->data[i]; | |
| 2925 e->toMangleBuffer(buf); | |
| 2926 } | |
| 2927 } | |
| 2928 | |
| 2929 /************************ AssocArrayLiteralExp ************************************/ | |
| 2930 | |
| 2931 // [ key0 : value0, key1 : value1, ... ] | |
| 2932 | |
| 2933 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2934 Expressions *keys, Expressions *values) | |
| 2935 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2936 { | |
| 2937 assert(keys->dim == values->dim); | |
| 2938 this->keys = keys; | |
| 2939 this->values = values; | |
| 2940 } | |
| 2941 | |
| 2942 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2943 { | |
| 2944 return new AssocArrayLiteralExp(loc, | |
| 2945 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2946 } | |
| 2947 | |
| 2948 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2949 { Expression *e; | |
| 2950 Type *tkey = NULL; | |
| 2951 Type *tvalue = NULL; | |
| 2952 | |
| 2953 #if LOGSEMANTIC | |
| 2954 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2955 #endif | |
| 2956 | |
| 2957 // Run semantic() on each element | |
| 2958 for (size_t i = 0; i < keys->dim; i++) | |
| 2959 { Expression *key = (Expression *)keys->data[i]; | |
| 2960 Expression *value = (Expression *)values->data[i]; | |
| 2961 | |
| 2962 key = key->semantic(sc); | |
| 2963 value = value->semantic(sc); | |
| 2964 | |
| 2965 keys->data[i] = (void *)key; | |
| 2966 values->data[i] = (void *)value; | |
| 2967 } | |
| 2968 expandTuples(keys); | |
| 2969 expandTuples(values); | |
| 2970 if (keys->dim != values->dim) | |
| 2971 { | |
| 2972 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2973 keys->setDim(0); | |
| 2974 values->setDim(0); | |
| 2975 } | |
| 2976 for (size_t i = 0; i < keys->dim; i++) | |
| 2977 { Expression *key = (Expression *)keys->data[i]; | |
| 2978 Expression *value = (Expression *)values->data[i]; | |
| 2979 | |
| 2980 if (!key->type) | |
| 2981 error("%s has no value", key->toChars()); | |
| 2982 if (!value->type) | |
| 2983 error("%s has no value", value->toChars()); | |
| 2984 key = resolveProperties(sc, key); | |
| 2985 value = resolveProperties(sc, value); | |
| 2986 | |
| 2987 if (!tkey) | |
| 2988 tkey = key->type; | |
| 2989 else | |
| 2990 key = key->implicitCastTo(sc, tkey); | |
| 2991 keys->data[i] = (void *)key; | |
| 2992 | |
| 2993 if (!tvalue) | |
| 2994 tvalue = value->type; | |
| 2995 else | |
| 2996 value = value->implicitCastTo(sc, tvalue); | |
| 2997 values->data[i] = (void *)value; | |
| 2998 } | |
| 2999 | |
| 3000 if (!tkey) | |
| 3001 tkey = Type::tvoid; | |
| 3002 if (!tvalue) | |
| 3003 tvalue = Type::tvoid; | |
| 3004 type = new TypeAArray(tvalue, tkey); | |
| 3005 type = type->semantic(loc, sc); | |
| 3006 return this; | |
| 3007 } | |
| 3008 | |
| 3009 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3010 { int f = 0; | |
| 3011 | |
| 3012 for (size_t i = 0; i < keys->dim; i++) | |
| 3013 { Expression *key = (Expression *)keys->data[i]; | |
| 3014 Expression *value = (Expression *)values->data[i]; | |
| 3015 | |
| 3016 f |= key->checkSideEffect(2); | |
| 3017 f |= value->checkSideEffect(2); | |
| 3018 } | |
| 3019 if (flag == 0 && f == 0) | |
| 3020 Expression::checkSideEffect(0); | |
| 3021 return f; | |
| 3022 } | |
| 3023 | |
| 3024 int AssocArrayLiteralExp::isBool(int result) | |
| 3025 { | |
| 3026 size_t dim = keys->dim; | |
| 3027 return result ? (dim != 0) : (dim == 0); | |
| 3028 } | |
| 3029 | |
|
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3030 #if DMDV2 |
|
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|
3031 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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|
3032 { |
|
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diff
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|
3033 return 1; |
|
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diff
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|
3034 } |
|
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parents:
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|
3035 #endif |
|
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diff
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|
3036 |
| 159 | 3037 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3038 { | |
| 3039 buf->writeByte('['); | |
| 3040 for (size_t i = 0; i < keys->dim; i++) | |
| 3041 { Expression *key = (Expression *)keys->data[i]; | |
| 3042 Expression *value = (Expression *)values->data[i]; | |
| 3043 | |
| 3044 if (i) | |
| 3045 buf->writeByte(','); | |
| 3046 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3047 buf->writeByte(':'); | |
| 3048 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3049 } | |
| 3050 buf->writeByte(']'); | |
| 3051 } | |
| 3052 | |
| 3053 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3054 { | |
| 3055 size_t dim = keys->dim; | |
| 3056 buf->printf("A%u", dim); | |
| 3057 for (size_t i = 0; i < dim; i++) | |
| 3058 { Expression *key = (Expression *)keys->data[i]; | |
| 3059 Expression *value = (Expression *)values->data[i]; | |
| 3060 | |
| 3061 key->toMangleBuffer(buf); | |
| 3062 value->toMangleBuffer(buf); | |
| 3063 } | |
| 3064 } | |
| 3065 | |
| 3066 /************************ StructLiteralExp ************************************/ | |
| 3067 | |
| 3068 // sd( e1, e2, e3, ... ) | |
| 3069 | |
| 3070 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3071 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3072 { | |
| 3073 this->sd = sd; | |
| 3074 this->elements = elements; | |
|
1146
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parents:
1133
diff
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|
3075 #if IN_DMD |
| 159 | 3076 this->sym = NULL; |
|
1146
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diff
changeset
|
3077 #endif |
| 159 | 3078 this->soffset = 0; |
| 3079 this->fillHoles = 1; | |
| 3080 } | |
| 3081 | |
| 3082 Expression *StructLiteralExp::syntaxCopy() | |
| 3083 { | |
| 3084 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3085 } | |
| 3086 | |
| 3087 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3088 { Expression *e; | |
| 3089 | |
| 3090 #if LOGSEMANTIC | |
| 3091 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3092 #endif | |
|
510
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diff
changeset
|
3093 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3094 return this; |
| 159 | 3095 |
| 3096 // Run semantic() on each element | |
| 3097 for (size_t i = 0; i < elements->dim; i++) | |
| 3098 { e = (Expression *)elements->data[i]; | |
| 3099 if (!e) | |
| 3100 continue; | |
| 3101 e = e->semantic(sc); | |
| 3102 elements->data[i] = (void *)e; | |
| 3103 } | |
| 3104 expandTuples(elements); | |
| 3105 size_t offset = 0; | |
| 3106 for (size_t i = 0; i < elements->dim; i++) | |
| 3107 { e = (Expression *)elements->data[i]; | |
| 3108 if (!e) | |
| 3109 continue; | |
| 3110 | |
| 3111 if (!e->type) | |
| 3112 error("%s has no value", e->toChars()); | |
| 3113 e = resolveProperties(sc, e); | |
| 3114 if (i >= sd->fields.dim) | |
| 3115 { error("more initializers than fields of %s", sd->toChars()); | |
| 3116 break; | |
| 3117 } | |
| 3118 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3119 VarDeclaration *v = s->isVarDeclaration(); | |
| 3120 assert(v); | |
| 3121 if (v->offset < offset) | |
| 3122 error("overlapping initialization for %s", v->toChars()); | |
| 3123 offset = v->offset + v->type->size(); | |
| 3124 | |
| 3125 Type *telem = v->type; | |
| 3126 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3127 { /* Static array initialization, as in: | |
| 3128 * T[3][5] = e; | |
| 3129 */ | |
| 3130 telem = telem->toBasetype()->nextOf(); | |
| 3131 } | |
| 3132 | |
| 3133 e = e->implicitCastTo(sc, telem); | |
| 3134 | |
| 3135 elements->data[i] = (void *)e; | |
| 3136 } | |
| 3137 | |
| 3138 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3139 */ | |
| 3140 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3141 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3142 VarDeclaration *v = s->isVarDeclaration(); | |
| 3143 assert(v); | |
| 3144 | |
| 3145 if (v->offset < offset) | |
| 3146 { e = NULL; | |
| 3147 sd->hasUnions = 1; | |
| 3148 } | |
| 3149 else | |
| 3150 { | |
| 3151 if (v->init) | |
| 3152 { e = v->init->toExpression(); | |
| 3153 if (!e) | |
| 3154 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3155 } | |
| 3156 else | |
| 3157 { e = v->type->defaultInit(); | |
| 3158 e->loc = loc; | |
| 3159 } | |
| 3160 offset = v->offset + v->type->size(); | |
| 3161 } | |
| 3162 elements->push(e); | |
| 3163 } | |
| 3164 | |
| 3165 type = sd->type; | |
| 3166 return this; | |
| 3167 } | |
| 3168 | |
| 3169 /************************************** | |
| 3170 * Gets expression at offset of type. | |
| 3171 * Returns NULL if not found. | |
| 3172 */ | |
| 3173 | |
| 3174 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3175 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3176 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3177 // /*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
|
3178 Expression *e = NULL; |
| 159 | 3179 int i = getFieldIndex(type, offset); |
| 3180 | |
| 3181 if (i != -1) | |
|
510
6aee82889553
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parents:
486
diff
changeset
|
3182 { |
|
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3183 //printf("\ti = %d\n", i); |
|
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parents:
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diff
changeset
|
3184 assert(i < elements->dim); |
|
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diff
changeset
|
3185 e = (Expression *)elements->data[i]; |
| 159 | 3186 if (e) |
| 3187 { | |
| 3188 e = e->copy(); | |
| 3189 e->type = type; | |
| 3190 } | |
| 3191 } | |
| 3192 return e; | |
| 3193 } | |
| 3194 | |
| 3195 /************************************ | |
| 3196 * Get index of field. | |
| 3197 * Returns -1 if not found. | |
| 3198 */ | |
| 3199 | |
| 3200 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3201 { | |
| 3202 /* Find which field offset is by looking at the field offsets | |
| 3203 */ | |
| 3204 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3205 { | |
| 3206 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3207 VarDeclaration *v = s->isVarDeclaration(); | |
| 3208 assert(v); | |
| 3209 | |
| 3210 if (offset == v->offset && | |
| 3211 type->size() == v->type->size()) | |
| 3212 { Expression *e = (Expression *)elements->data[i]; | |
| 3213 if (e) | |
| 3214 { | |
| 3215 return i; | |
| 3216 } | |
| 3217 break; | |
| 3218 } | |
| 3219 } | |
| 3220 return -1; | |
| 3221 } | |
| 3222 | |
|
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diff
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|
3223 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3224 int StructLiteralExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3225 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3226 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3227 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3228 #endif |
| 159 | 3229 |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3230 /* |
|
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3231 Removed in LDC. See declaration. |
| 159 | 3232 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) |
| 3233 { | |
| 3234 return this; | |
| 3235 } | |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
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parents:
1151
diff
changeset
|
3236 */ |
| 159 | 3237 |
| 3238 | |
| 3239 int StructLiteralExp::checkSideEffect(int flag) | |
| 3240 { int f = 0; | |
| 3241 | |
| 3242 for (size_t i = 0; i < elements->dim; i++) | |
| 3243 { Expression *e = (Expression *)elements->data[i]; | |
| 3244 if (!e) | |
| 3245 continue; | |
| 3246 | |
| 3247 f |= e->checkSideEffect(2); | |
| 3248 } | |
| 3249 if (flag == 0 && f == 0) | |
| 3250 Expression::checkSideEffect(0); | |
| 3251 return f; | |
| 3252 } | |
| 3253 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3254 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3255 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3256 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3257 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3258 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3259 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3260 |
| 159 | 3261 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3262 { | |
| 3263 buf->writestring(sd->toChars()); | |
| 3264 buf->writeByte('('); | |
| 3265 argsToCBuffer(buf, elements, hgs); | |
| 3266 buf->writeByte(')'); | |
| 3267 } | |
| 3268 | |
| 3269 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3270 { | |
| 3271 size_t dim = elements ? elements->dim : 0; | |
| 3272 buf->printf("S%u", dim); | |
| 3273 for (size_t i = 0; i < dim; i++) | |
| 3274 { Expression *e = (Expression *)elements->data[i]; | |
| 3275 if (e) | |
| 3276 e->toMangleBuffer(buf); | |
| 3277 else | |
| 3278 buf->writeByte('v'); // 'v' for void | |
| 3279 } | |
| 3280 } | |
| 3281 | |
| 3282 /************************ TypeDotIdExp ************************************/ | |
| 3283 | |
| 3284 /* Things like: | |
| 3285 * int.size | |
| 3286 * foo.size | |
| 3287 * (foo).size | |
| 3288 * cast(foo).size | |
| 3289 */ | |
| 3290 | |
| 3291 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3292 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3293 { | |
| 3294 this->type = type; | |
| 3295 this->ident = ident; | |
| 3296 } | |
| 3297 | |
| 3298 Expression *TypeDotIdExp::syntaxCopy() | |
| 3299 { | |
| 3300 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3301 return te; | |
| 3302 } | |
| 3303 | |
| 3304 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3305 { Expression *e; | |
| 3306 | |
| 3307 #if LOGSEMANTIC | |
| 3308 printf("TypeDotIdExp::semantic()\n"); | |
| 3309 #endif | |
| 3310 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3311 e = e->semantic(sc); | |
| 3312 return e; | |
| 3313 } | |
| 3314 | |
| 3315 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3316 { | |
| 3317 buf->writeByte('('); | |
| 3318 type->toCBuffer(buf, NULL, hgs); | |
| 3319 buf->writeByte(')'); | |
| 3320 buf->writeByte('.'); | |
| 3321 buf->writestring(ident->toChars()); | |
| 3322 } | |
| 3323 | |
| 3324 /************************************************************/ | |
| 3325 | |
| 3326 // Mainly just a placeholder | |
| 3327 | |
| 3328 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3329 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3330 { | |
| 3331 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3332 this->type = type; | |
| 3333 } | |
| 3334 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3335 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3336 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3337 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3338 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3339 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3340 |
| 159 | 3341 Expression *TypeExp::semantic(Scope *sc) |
| 3342 { | |
| 3343 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3344 type = type->semantic(loc, sc); | |
| 3345 return this; | |
| 3346 } | |
| 3347 | |
| 3348 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3349 { | |
| 3350 type->toCBuffer(buf, NULL, hgs); | |
| 3351 } | |
| 3352 | |
| 3353 /************************************************************/ | |
| 3354 | |
| 3355 // Mainly just a placeholder | |
| 3356 | |
| 3357 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3358 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3359 { | |
| 3360 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3361 //static int count; if (++count == 38) *(char*)0=0; | |
| 3362 this->sds = pkg; | |
| 3363 } | |
| 3364 | |
| 3365 Expression *ScopeExp::syntaxCopy() | |
| 3366 { | |
| 3367 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3368 return se; | |
| 3369 } | |
| 3370 | |
| 3371 Expression *ScopeExp::semantic(Scope *sc) | |
| 3372 { | |
| 3373 TemplateInstance *ti; | |
| 3374 ScopeDsymbol *sds2; | |
| 3375 | |
| 3376 #if LOGSEMANTIC | |
| 3377 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3378 #endif | |
| 3379 Lagain: | |
| 3380 ti = sds->isTemplateInstance(); | |
| 3381 if (ti && !global.errors) | |
| 3382 { Dsymbol *s; | |
| 3383 if (!ti->semanticdone) | |
| 3384 ti->semantic(sc); | |
| 3385 s = ti->inst->toAlias(); | |
| 3386 sds2 = s->isScopeDsymbol(); | |
| 3387 if (!sds2) | |
| 3388 { Expression *e; | |
| 3389 | |
| 3390 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3391 if (ti->withsym) | |
| 3392 { | |
| 3393 // Same as wthis.s | |
| 3394 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3395 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3396 } | |
| 3397 else | |
| 3398 e = new DsymbolExp(loc, s); | |
| 3399 e = e->semantic(sc); | |
| 3400 //printf("-1ScopeExp::semantic()\n"); | |
| 3401 return e; | |
| 3402 } | |
| 3403 if (sds2 != sds) | |
| 3404 { | |
| 3405 sds = sds2; | |
| 3406 goto Lagain; | |
| 3407 } | |
| 3408 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3409 } | |
| 3410 else | |
| 3411 { | |
| 3412 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3413 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3414 sds->semantic(sc); | |
| 3415 } | |
| 3416 type = Type::tvoid; | |
| 3417 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3418 return this; | |
| 3419 } | |
| 3420 | |
| 3421 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3422 { | |
| 3423 if (sds->isTemplateInstance()) | |
| 3424 { | |
| 3425 sds->toCBuffer(buf, hgs); | |
| 3426 } | |
| 3427 else | |
| 3428 { | |
| 3429 buf->writestring(sds->kind()); | |
| 3430 buf->writestring(" "); | |
| 3431 buf->writestring(sds->toChars()); | |
| 3432 } | |
| 3433 } | |
| 3434 | |
| 3435 /********************** TemplateExp **************************************/ | |
| 3436 | |
| 3437 // Mainly just a placeholder | |
| 3438 | |
| 3439 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3440 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3441 { | |
| 3442 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3443 this->td = td; | |
| 3444 } | |
| 3445 | |
| 3446 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3447 { | |
| 3448 buf->writestring(td->toChars()); | |
| 3449 } | |
| 3450 | |
| 3451 void TemplateExp::rvalue() | |
| 3452 { | |
| 3453 error("template %s has no value", toChars()); | |
| 3454 } | |
| 3455 | |
| 3456 /********************** NewExp **************************************/ | |
| 3457 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3458 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3459 |
| 159 | 3460 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3461 Type *newtype, Expressions *arguments) | |
| 3462 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3463 { | |
| 3464 this->thisexp = thisexp; | |
| 3465 this->newargs = newargs; | |
| 3466 this->newtype = newtype; | |
| 3467 this->arguments = arguments; | |
| 3468 member = NULL; | |
| 3469 allocator = NULL; | |
| 3470 onstack = 0; | |
| 3471 } | |
| 3472 | |
| 3473 Expression *NewExp::syntaxCopy() | |
| 3474 { | |
| 3475 return new NewExp(loc, | |
| 3476 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3477 arraySyntaxCopy(newargs), | |
| 3478 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3479 } | |
| 3480 | |
| 3481 | |
| 3482 Expression *NewExp::semantic(Scope *sc) | |
| 3483 { int i; | |
| 3484 Type *tb; | |
| 3485 ClassDeclaration *cdthis = NULL; | |
| 3486 | |
| 3487 #if LOGSEMANTIC | |
| 3488 printf("NewExp::semantic() %s\n", toChars()); | |
| 3489 if (thisexp) | |
| 3490 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3491 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3492 #endif | |
| 3493 if (type) // if semantic() already run | |
| 3494 return this; | |
| 3495 | |
| 3496 Lagain: | |
| 3497 if (thisexp) | |
| 3498 { thisexp = thisexp->semantic(sc); | |
| 3499 cdthis = thisexp->type->isClassHandle(); | |
| 3500 if (cdthis) | |
| 3501 { | |
| 3502 sc = sc->push(cdthis); | |
| 3503 type = newtype->semantic(loc, sc); | |
| 3504 sc = sc->pop(); | |
| 3505 } | |
| 3506 else | |
| 3507 { | |
| 3508 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3509 type = newtype->semantic(loc, sc); | |
| 3510 } | |
| 3511 } | |
| 3512 else | |
| 3513 type = newtype->semantic(loc, sc); | |
| 3514 newtype = type; // in case type gets cast to something else | |
| 3515 tb = type->toBasetype(); | |
| 3516 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3517 | |
| 3518 arrayExpressionSemantic(newargs, sc); | |
| 3519 preFunctionArguments(loc, sc, newargs); | |
| 3520 arrayExpressionSemantic(arguments, sc); | |
| 3521 preFunctionArguments(loc, sc, arguments); | |
| 3522 | |
| 3523 if (thisexp && tb->ty != Tclass) | |
| 3524 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3525 | |
| 3526 if (tb->ty == Tclass) | |
| 3527 { TypeFunction *tf; | |
| 3528 | |
| 3529 TypeClass *tc = (TypeClass *)(tb); | |
| 3530 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3531 if (cd->isInterfaceDeclaration()) | |
| 3532 error("cannot create instance of interface %s", cd->toChars()); | |
| 3533 else if (cd->isAbstract()) | |
| 3534 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3535 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3536 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3537 if (fd && fd->isAbstract()) | |
| 3538 error("function %s is abstract", fd->toChars()); | |
| 3539 } | |
| 3540 } | |
| 3541 checkDeprecated(sc, cd); | |
| 3542 if (cd->isNested()) | |
| 3543 { /* We need a 'this' pointer for the nested class. | |
| 3544 * Ensure we have the right one. | |
| 3545 */ | |
| 3546 Dsymbol *s = cd->toParent2(); | |
| 3547 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
|
3548 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3549 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3550 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3551 if (cdn) |
| 3552 { | |
| 3553 if (!cdthis) | |
| 3554 { | |
| 3555 // Supply an implicit 'this' and try again | |
| 3556 thisexp = new ThisExp(loc); | |
| 3557 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3558 { if (!sp) | |
| 3559 { | |
| 3560 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3561 break; | |
| 3562 } | |
| 3563 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3564 if (!cdp) | |
| 3565 continue; | |
| 3566 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3567 break; | |
| 3568 // Add a '.outer' and try again | |
| 3569 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3570 } | |
| 3571 if (!global.errors) | |
| 3572 goto Lagain; | |
| 3573 } | |
| 3574 if (cdthis) | |
| 3575 { | |
| 3576 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3577 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3578 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3579 } | |
| 3580 #if 0 | |
| 3581 else | |
| 3582 { | |
| 3583 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3584 { | |
| 3585 if (!sf) | |
| 3586 { | |
| 3587 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3588 break; | |
| 3589 } | |
| 3590 printf("sf = %s\n", sf->toChars()); | |
| 3591 AggregateDeclaration *ad = sf->isThis(); | |
| 3592 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3593 break; | |
| 3594 } | |
| 3595 } | |
| 3596 #endif | |
| 3597 } | |
| 3598 else if (thisexp) | |
| 3599 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
|
3600 else if (fdn) |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3601 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3602 // 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
|
3603 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
|
3604 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3605 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
|
3606 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3607 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
|
3608 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
|
3609 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3610 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
|
3611 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3612 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3613 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3614 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3615 } |
| 159 | 3616 } |
| 3617 else if (thisexp) | |
| 3618 error("e.new is only for allocating nested classes"); | |
| 3619 | |
| 3620 FuncDeclaration *f = cd->ctor; | |
| 3621 if (f) | |
| 3622 { | |
| 3623 assert(f); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3624 f = f->overloadResolve(loc, arguments, sc->module); |
| 159 | 3625 checkDeprecated(sc, f); |
| 3626 member = f->isCtorDeclaration(); | |
| 3627 assert(member); | |
| 3628 | |
| 3629 cd->accessCheck(loc, sc, member); | |
| 3630 | |
| 3631 tf = (TypeFunction *)f->type; | |
| 3632 type = tf->next; | |
| 3633 | |
| 3634 if (!arguments) | |
| 3635 arguments = new Expressions(); | |
| 3636 functionArguments(loc, sc, tf, arguments); | |
| 3637 } | |
| 3638 else | |
| 3639 { | |
| 3640 if (arguments && arguments->dim) | |
| 3641 error("no constructor for %s", cd->toChars()); | |
| 3642 } | |
| 3643 | |
| 3644 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3645 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3646 // 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
|
3647 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3648 if (!newargs) |
| 3649 newargs = new Expressions(); | |
| 3650 newargs->shift(e); | |
| 3651 | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3652 f = cd->aggNew->overloadResolve(loc, newargs, sc->module); |
| 159 | 3653 allocator = f->isNewDeclaration(); |
| 3654 assert(allocator); | |
| 3655 | |
| 3656 tf = (TypeFunction *)f->type; | |
| 3657 functionArguments(loc, sc, tf, newargs); | |
| 3658 } | |
| 3659 else | |
| 3660 { | |
| 3661 if (newargs && newargs->dim) | |
| 3662 error("no allocator for %s", cd->toChars()); | |
| 3663 } | |
| 3664 } | |
| 3665 else if (tb->ty == Tstruct) | |
| 3666 { | |
| 3667 TypeStruct *ts = (TypeStruct *)tb; | |
| 3668 StructDeclaration *sd = ts->sym; | |
| 3669 FuncDeclaration *f = sd->aggNew; | |
| 3670 TypeFunction *tf; | |
| 3671 | |
| 3672 if (arguments && arguments->dim) | |
| 3673 error("no constructor for %s", type->toChars()); | |
| 3674 | |
| 3675 if (f) | |
| 3676 { | |
| 3677 Expression *e; | |
| 3678 | |
| 3679 // Prepend the uint size argument to newargs[] | |
| 3680 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3681 if (!newargs) | |
| 3682 newargs = new Expressions(); | |
| 3683 newargs->shift(e); | |
| 3684 | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3685 f = f->overloadResolve(loc, newargs, sc->module); |
| 159 | 3686 allocator = f->isNewDeclaration(); |
| 3687 assert(allocator); | |
| 3688 | |
| 3689 tf = (TypeFunction *)f->type; | |
| 3690 functionArguments(loc, sc, tf, newargs); | |
| 3691 | |
| 3692 e = new VarExp(loc, f); | |
| 3693 e = new CallExp(loc, e, newargs); | |
| 3694 e = e->semantic(sc); | |
| 3695 e->type = type->pointerTo(); | |
| 3696 return e; | |
| 3697 } | |
| 3698 | |
| 3699 type = type->pointerTo(); | |
| 3700 } | |
| 3701 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3702 { | |
| 3703 for (size_t i = 0; i < arguments->dim; i++) | |
| 3704 { | |
| 3705 if (tb->ty != Tarray) | |
| 3706 { error("too many arguments for array"); | |
| 3707 arguments->dim = i; | |
| 3708 break; | |
| 3709 } | |
| 3710 | |
| 3711 Expression *arg = (Expression *)arguments->data[i]; | |
| 3712 arg = resolveProperties(sc, arg); | |
| 3713 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3714 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3715 error("negative array index %s", arg->toChars()); | |
| 3716 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
|
3717 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3718 } |
| 3719 } | |
| 3720 else if (tb->isscalar()) | |
| 3721 { | |
| 3722 if (arguments && arguments->dim) | |
| 3723 error("no constructor for %s", type->toChars()); | |
| 3724 | |
| 3725 type = type->pointerTo(); | |
| 3726 } | |
| 3727 else | |
| 3728 { | |
| 3729 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3730 type = type->pointerTo(); | |
| 3731 } | |
| 3732 | |
| 3733 //printf("NewExp: '%s'\n", toChars()); | |
| 3734 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3735 | |
| 3736 return this; | |
| 3737 } | |
| 3738 | |
| 3739 int NewExp::checkSideEffect(int flag) | |
| 3740 { | |
| 3741 return 1; | |
| 3742 } | |
| 3743 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3744 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3745 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3747 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3748 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3749 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3750 |
| 159 | 3751 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3752 { int i; | |
| 3753 | |
| 3754 if (thisexp) | |
| 3755 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3756 buf->writeByte('.'); | |
| 3757 } | |
| 3758 buf->writestring("new "); | |
| 3759 if (newargs && newargs->dim) | |
| 3760 { | |
| 3761 buf->writeByte('('); | |
| 3762 argsToCBuffer(buf, newargs, hgs); | |
| 3763 buf->writeByte(')'); | |
| 3764 } | |
| 3765 newtype->toCBuffer(buf, NULL, hgs); | |
| 3766 if (arguments && arguments->dim) | |
| 3767 { | |
| 3768 buf->writeByte('('); | |
| 3769 argsToCBuffer(buf, arguments, hgs); | |
| 3770 buf->writeByte(')'); | |
| 3771 } | |
| 3772 } | |
| 3773 | |
| 3774 /********************** NewAnonClassExp **************************************/ | |
| 3775 | |
| 3776 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3777 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3778 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3779 { | |
| 3780 this->thisexp = thisexp; | |
| 3781 this->newargs = newargs; | |
| 3782 this->cd = cd; | |
| 3783 this->arguments = arguments; | |
| 3784 } | |
| 3785 | |
| 3786 Expression *NewAnonClassExp::syntaxCopy() | |
| 3787 { | |
| 3788 return new NewAnonClassExp(loc, | |
| 3789 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3790 arraySyntaxCopy(newargs), | |
| 3791 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3792 arraySyntaxCopy(arguments)); | |
| 3793 } | |
| 3794 | |
| 3795 | |
| 3796 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3797 { | |
| 3798 #if LOGSEMANTIC | |
| 3799 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3800 //printf("thisexp = %p\n", thisexp); |
| 159 | 3801 //printf("type: %s\n", type->toChars()); |
| 3802 #endif | |
| 3803 | |
| 3804 Expression *d = new DeclarationExp(loc, cd); | |
| 3805 d = d->semantic(sc); | |
| 3806 | |
| 3807 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3808 | |
| 3809 Expression *c = new CommaExp(loc, d, n); | |
| 3810 return c->semantic(sc); | |
| 3811 } | |
| 3812 | |
| 3813 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3814 { | |
| 3815 return 1; | |
| 3816 } | |
| 3817 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3818 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3819 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3820 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3821 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3822 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3823 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3824 |
| 159 | 3825 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3826 { int i; | |
| 3827 | |
| 3828 if (thisexp) | |
| 3829 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3830 buf->writeByte('.'); | |
| 3831 } | |
| 3832 buf->writestring("new"); | |
| 3833 if (newargs && newargs->dim) | |
| 3834 { | |
| 3835 buf->writeByte('('); | |
| 3836 argsToCBuffer(buf, newargs, hgs); | |
| 3837 buf->writeByte(')'); | |
| 3838 } | |
| 3839 buf->writestring(" class "); | |
| 3840 if (arguments && arguments->dim) | |
| 3841 { | |
| 3842 buf->writeByte('('); | |
| 3843 argsToCBuffer(buf, arguments, hgs); | |
| 3844 buf->writeByte(')'); | |
| 3845 } | |
| 3846 //buf->writestring(" { }"); | |
| 3847 if (cd) | |
| 3848 { | |
| 3849 cd->toCBuffer(buf, hgs); | |
| 3850 } | |
| 3851 } | |
| 3852 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3853 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3854 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3855 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3856 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3857 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3858 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3859 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3863 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3864 |
| 159 | 3865 /********************** SymOffExp **************************************/ |
| 3866 | |
| 3867 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3868 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3869 { | |
| 3870 assert(var); | |
| 3871 this->var = var; | |
| 3872 this->offset = offset; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3873 m = NULL; |
| 159 | 3874 VarDeclaration *v = var->isVarDeclaration(); |
| 3875 if (v && v->needThis()) | |
| 3876 error("need 'this' for address of %s", v->toChars()); | |
| 3877 } | |
| 3878 | |
| 3879 Expression *SymOffExp::semantic(Scope *sc) | |
| 3880 { | |
| 3881 #if LOGSEMANTIC | |
| 3882 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3883 #endif | |
| 3884 //var->semantic(sc); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3885 m = sc->module; |
| 159 | 3886 if (!type) |
| 3887 type = var->type->pointerTo(); | |
| 3888 VarDeclaration *v = var->isVarDeclaration(); | |
| 3889 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3890 v->checkNestedReference(sc, loc); |
| 159 | 3891 return this; |
| 3892 } | |
| 3893 | |
| 3894 int SymOffExp::isBool(int result) | |
| 3895 { | |
| 3896 return result ? TRUE : FALSE; | |
| 3897 } | |
| 3898 | |
| 3899 void SymOffExp::checkEscape() | |
| 3900 { | |
| 3901 VarDeclaration *v = var->isVarDeclaration(); | |
| 3902 if (v) | |
| 3903 { | |
| 3904 if (!v->isDataseg()) | |
| 3905 error("escaping reference to local variable %s", v->toChars()); | |
| 3906 } | |
| 3907 } | |
| 3908 | |
| 3909 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3910 { | |
| 3911 if (offset) | |
| 3912 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3913 else | |
| 3914 buf->printf("& %s", var->toChars()); | |
| 3915 } | |
| 3916 | |
| 3917 /******************************** VarExp **************************/ | |
| 3918 | |
| 3919 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3920 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3921 { | |
| 3922 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3923 this->var = var; | |
| 3924 this->type = var->type; | |
| 3925 } | |
| 3926 | |
| 3927 int VarExp::equals(Object *o) | |
| 3928 { VarExp *ne; | |
| 3929 | |
| 3930 if (this == o || | |
| 3931 (((Expression *)o)->op == TOKvar && | |
| 3932 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3933 var == ne->var)) | |
| 3934 return 1; | |
| 3935 return 0; | |
| 3936 } | |
| 3937 | |
| 3938 Expression *VarExp::semantic(Scope *sc) | |
| 3939 { FuncLiteralDeclaration *fd; | |
| 3940 | |
| 3941 #if LOGSEMANTIC | |
| 3942 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3943 #endif | |
| 3944 if (!type) | |
| 3945 { type = var->type; | |
| 3946 #if 0 | |
| 3947 if (var->storage_class & STClazy) | |
| 3948 { | |
| 3949 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3950 type = new TypeDelegate(tf); | |
| 3951 type = type->semantic(loc, sc); | |
| 3952 } | |
| 3953 #endif | |
| 3954 } | |
|
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|
3955 /* Fix for 1161 doesn't work because it causes protection |
|
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|
3956 * problems when instantiating imported templates passing private |
|
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|
3957 * variables as alias template parameters. |
|
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diff
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|
3958 */ |
|
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diff
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|
3959 //accessCheck(loc, sc, NULL, var); |
| 159 | 3960 |
| 3961 VarDeclaration *v = var->isVarDeclaration(); | |
| 3962 if (v) | |
| 3963 { | |
| 3964 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3965 { | |
| 3966 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3967 if (ei) | |
| 3968 { | |
| 3969 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3970 return ei->exp->implicitCastTo(sc, type); | |
| 3971 } | |
| 3972 } | |
| 3973 v->checkNestedReference(sc, loc); | |
|
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|
3974 #if DMDV2 |
|
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Merged DMD 1.038
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|
3975 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
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Merged DMD 1.038
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|
3976 { |
|
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parents:
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diff
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|
3977 if (v->isDataseg() && !v->isInvariant()) |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3978 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
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Merged DMD 1.038
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parents:
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diff
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|
3979 } |
|
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Merged DMD 1.038
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parents:
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diff
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|
3980 #endif |
| 159 | 3981 } |
| 3982 #if 0 | |
| 3983 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3984 { Expression *e; | |
| 3985 e = new FuncExp(loc, fd); | |
| 3986 e->type = type; | |
| 3987 return e; | |
| 3988 } | |
| 3989 #endif | |
| 3990 return this; | |
| 3991 } | |
| 3992 | |
| 3993 char *VarExp::toChars() | |
| 3994 { | |
| 3995 return var->toChars(); | |
| 3996 } | |
| 3997 | |
| 3998 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3999 { | |
| 4000 buf->writestring(var->toChars()); | |
| 4001 } | |
| 4002 | |
| 4003 void VarExp::checkEscape() | |
| 4004 { | |
| 4005 VarDeclaration *v = var->isVarDeclaration(); | |
| 4006 if (v) | |
| 4007 { Type *tb = v->type->toBasetype(); | |
| 4008 // if reference type | |
| 4009 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4010 { | |
| 4011 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4012 error("escaping reference to auto local %s", v->toChars()); | |
| 4013 else if (v->storage_class & STCvariadic) | |
| 4014 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4015 } | |
| 4016 } | |
| 4017 } | |
| 4018 | |
|
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|
4019 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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|
4020 int VarExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
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|
4021 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4022 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
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diff
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|
4023 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4024 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4025 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4026 #endif |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
4027 |
| 159 | 4028 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4029 { | |
| 4030 #if 0 | |
| 4031 tym = tybasic(e1->ET->Tty); | |
| 4032 if (!(tyscalar(tym) || | |
| 4033 tym == TYstruct || | |
| 4034 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4035 synerr(EM_lvalue); // lvalue expected | |
| 4036 #endif | |
| 4037 if (var->storage_class & STClazy) | |
| 4038 error("lazy variables cannot be lvalues"); | |
| 4039 return this; | |
| 4040 } | |
| 4041 | |
| 4042 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4043 { | |
| 4044 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4045 if (sc->incontract && var->isParameter()) | |
| 4046 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4047 | |
| 4048 if (type && type->toBasetype()->ty == Tsarray) | |
| 4049 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4050 | |
| 4051 VarDeclaration *v = var->isVarDeclaration(); | |
| 4052 if (v && v->canassign == 0 && | |
| 4053 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4054 error("cannot modify final variable '%s'", var->toChars()); | |
| 4055 | |
| 4056 if (var->isCtorinit()) | |
| 4057 { // It's only modifiable if inside the right constructor | |
| 4058 Dsymbol *s = sc->func; | |
| 4059 while (1) | |
| 4060 { | |
| 4061 FuncDeclaration *fd = NULL; | |
| 4062 if (s) | |
| 4063 fd = s->isFuncDeclaration(); | |
| 4064 if (fd && | |
| 4065 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4066 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4067 fd->toParent() == var->toParent() | |
| 4068 ) | |
| 4069 { | |
| 4070 VarDeclaration *v = var->isVarDeclaration(); | |
| 4071 assert(v); | |
| 4072 v->ctorinit = 1; | |
| 4073 //printf("setting ctorinit\n"); | |
| 4074 } | |
| 4075 else | |
| 4076 { | |
| 4077 if (s) | |
| 4078 { s = s->toParent2(); | |
| 4079 continue; | |
| 4080 } | |
| 4081 else | |
| 4082 { | |
| 4083 const char *p = var->isStatic() ? "static " : ""; | |
| 4084 error("can only initialize %sconst %s inside %sconstructor", | |
| 4085 p, var->toChars(), p); | |
| 4086 } | |
| 4087 } | |
| 4088 break; | |
| 4089 } | |
| 4090 } | |
| 4091 | |
| 4092 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4093 return toLvalue(sc, e); | |
| 4094 } | |
| 4095 | |
| 4096 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4097 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4098 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4099 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4100 OverExp::OverExp(OverloadSet *s) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4101 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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diff
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|
4102 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4103 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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|
4104 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4105 type = Type::tvoid; |
|
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
|
4106 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4107 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4108 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4109 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4110 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
|
4111 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4112 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4113 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4114 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4115 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
|
4116 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4117 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4118 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4119 |
| 159 | 4120 /******************************** TupleExp **************************/ |
| 4121 | |
| 4122 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4123 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4124 { | |
| 4125 //printf("TupleExp(this = %p)\n", this); | |
| 4126 this->exps = exps; | |
| 4127 this->type = NULL; | |
| 4128 } | |
| 4129 | |
| 4130 | |
| 4131 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4132 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4133 { | |
| 4134 exps = new Expressions(); | |
| 4135 type = NULL; | |
| 4136 | |
| 4137 exps->reserve(tup->objects->dim); | |
| 4138 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4139 { Object *o = (Object *)tup->objects->data[i]; | |
| 4140 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4141 { | |
| 4142 Expression *e = (Expression *)o; | |
| 4143 e = e->syntaxCopy(); | |
| 4144 exps->push(e); | |
| 4145 } | |
| 4146 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4147 { | |
| 4148 Dsymbol *s = (Dsymbol *)o; | |
| 4149 Expression *e = new DsymbolExp(loc, s); | |
| 4150 exps->push(e); | |
| 4151 } | |
| 4152 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4153 { | |
| 4154 Type *t = (Type *)o; | |
| 4155 Expression *e = new TypeExp(loc, t); | |
| 4156 exps->push(e); | |
| 4157 } | |
| 4158 else | |
| 4159 { | |
| 4160 error("%s is not an expression", o->toChars()); | |
| 4161 } | |
| 4162 } | |
| 4163 } | |
| 4164 | |
| 4165 int TupleExp::equals(Object *o) | |
| 4166 { TupleExp *ne; | |
| 4167 | |
| 4168 if (this == o) | |
| 4169 return 1; | |
| 4170 if (((Expression *)o)->op == TOKtuple) | |
| 4171 { | |
| 4172 TupleExp *te = (TupleExp *)o; | |
| 4173 if (exps->dim != te->exps->dim) | |
| 4174 return 0; | |
| 4175 for (size_t i = 0; i < exps->dim; i++) | |
| 4176 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4177 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4178 | |
| 4179 if (!e1->equals(e2)) | |
| 4180 return 0; | |
| 4181 } | |
| 4182 return 1; | |
| 4183 } | |
| 4184 return 0; | |
| 4185 } | |
| 4186 | |
| 4187 Expression *TupleExp::syntaxCopy() | |
| 4188 { | |
| 4189 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4190 } | |
| 4191 | |
| 4192 Expression *TupleExp::semantic(Scope *sc) | |
| 4193 { | |
| 4194 #if LOGSEMANTIC | |
| 4195 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4196 #endif | |
| 4197 if (type) | |
| 4198 return this; | |
| 4199 | |
| 4200 // Run semantic() on each argument | |
| 4201 for (size_t i = 0; i < exps->dim; i++) | |
| 4202 { Expression *e = (Expression *)exps->data[i]; | |
| 4203 | |
| 4204 e = e->semantic(sc); | |
| 4205 if (!e->type) | |
| 4206 { error("%s has no value", e->toChars()); | |
| 4207 e->type = Type::terror; | |
| 4208 } | |
| 4209 exps->data[i] = (void *)e; | |
| 4210 } | |
| 4211 | |
| 4212 expandTuples(exps); | |
| 4213 if (0 && exps->dim == 1) | |
| 4214 { | |
| 4215 return (Expression *)exps->data[0]; | |
| 4216 } | |
| 4217 type = new TypeTuple(exps); | |
| 4218 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4219 return this; | |
| 4220 } | |
| 4221 | |
| 4222 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4223 { | |
| 4224 buf->writestring("tuple("); | |
| 4225 argsToCBuffer(buf, exps, hgs); | |
| 4226 buf->writeByte(')'); | |
| 4227 } | |
| 4228 | |
| 4229 int TupleExp::checkSideEffect(int flag) | |
| 4230 { int f = 0; | |
| 4231 | |
| 4232 for (int i = 0; i < exps->dim; i++) | |
| 4233 { Expression *e = (Expression *)exps->data[i]; | |
| 4234 | |
| 4235 f |= e->checkSideEffect(2); | |
| 4236 } | |
| 4237 if (flag == 0 && f == 0) | |
| 4238 Expression::checkSideEffect(0); | |
| 4239 return f; | |
| 4240 } | |
| 4241 | |
|
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|
4242 #if DMDV2 |
|
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Merged DMD 1.038
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|
4243 int TupleExp::canThrow() |
|
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|
4244 { |
|
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changeset
|
4245 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
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846
diff
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|
4246 } |
|
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|
4247 #endif |
|
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|
4248 |
| 159 | 4249 void TupleExp::checkEscape() |
| 4250 { | |
| 4251 for (size_t i = 0; i < exps->dim; i++) | |
| 4252 { Expression *e = (Expression *)exps->data[i]; | |
| 4253 e->checkEscape(); | |
| 4254 } | |
| 4255 } | |
| 4256 | |
| 4257 /******************************** FuncExp *********************************/ | |
| 4258 | |
| 4259 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4260 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4261 { | |
| 4262 this->fd = fd; | |
| 4263 } | |
| 4264 | |
| 4265 Expression *FuncExp::syntaxCopy() | |
| 4266 { | |
| 4267 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4268 } | |
| 4269 | |
| 4270 Expression *FuncExp::semantic(Scope *sc) | |
| 4271 { | |
| 4272 #if LOGSEMANTIC | |
| 4273 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4274 #endif | |
| 4275 if (!type) | |
| 4276 { | |
| 4277 fd->semantic(sc); | |
| 4278 fd->parent = sc->parent; | |
| 4279 if (global.errors) | |
| 4280 { | |
| 4281 if (!fd->type->next) | |
| 4282 fd->type->next = Type::terror; | |
| 4283 } | |
| 4284 else | |
| 4285 { | |
| 4286 fd->semantic2(sc); | |
| 4287 if (!global.errors) | |
| 4288 { | |
| 4289 fd->semantic3(sc); | |
| 4290 | |
| 4291 if (!global.errors && global.params.useInline) | |
| 4292 fd->inlineScan(); | |
| 4293 } | |
| 4294 } | |
| 4295 | |
| 4296 // Type is a "delegate to" or "pointer to" the function literal | |
| 4297 if (fd->isNested()) | |
| 4298 { | |
| 4299 type = new TypeDelegate(fd->type); | |
| 4300 type = type->semantic(loc, sc); | |
| 4301 } | |
| 4302 else | |
| 4303 { | |
| 4304 type = fd->type->pointerTo(); | |
| 4305 } | |
| 4306 } | |
| 4307 return this; | |
| 4308 } | |
| 4309 | |
| 4310 char *FuncExp::toChars() | |
| 4311 { | |
| 4312 return fd->toChars(); | |
| 4313 } | |
| 4314 | |
| 4315 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4316 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4317 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4318 //buf->writestring(fd->toChars()); |
| 159 | 4319 } |
| 4320 | |
| 4321 | |
| 4322 /******************************** DeclarationExp **************************/ | |
| 4323 | |
| 4324 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4325 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4326 { | |
| 4327 this->declaration = declaration; | |
| 4328 } | |
| 4329 | |
| 4330 Expression *DeclarationExp::syntaxCopy() | |
| 4331 { | |
| 4332 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4333 } | |
| 4334 | |
| 4335 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4336 { | |
| 4337 if (type) | |
| 4338 return this; | |
| 4339 | |
| 4340 #if LOGSEMANTIC | |
| 4341 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4342 #endif | |
| 4343 | |
| 4344 /* This is here to support extern(linkage) declaration, | |
| 4345 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4346 * wrapper. | |
| 4347 */ | |
| 4348 Dsymbol *s = declaration; | |
| 4349 | |
| 4350 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4351 if (ad) | |
| 4352 { | |
| 4353 if (ad->decl && ad->decl->dim == 1) | |
| 4354 s = (Dsymbol *)ad->decl->data[0]; | |
| 4355 } | |
| 4356 | |
| 4357 if (s->isVarDeclaration()) | |
| 4358 { // Do semantic() on initializer first, so: | |
| 4359 // int a = a; | |
| 4360 // will be illegal. | |
| 4361 declaration->semantic(sc); | |
| 4362 s->parent = sc->parent; | |
| 4363 } | |
| 4364 | |
| 4365 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4366 // Insert into both local scope and function scope. | |
| 4367 // Must be unique in both. | |
| 4368 if (s->ident) | |
| 4369 { | |
| 4370 if (!sc->insert(s)) | |
| 4371 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4372 else if (sc->func) | |
| 4373 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4374 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4375 !sc->func->localsymtab->insert(s)) | |
| 4376 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4377 else if (!global.params.useDeprecated) | |
| 4378 { // Disallow shadowing | |
| 4379 | |
| 4380 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4381 { Dsymbol *s2; | |
| 4382 | |
| 4383 if (scx->scopesym && scx->scopesym->symtab && | |
| 4384 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4385 s != s2) | |
| 4386 { | |
| 4387 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4388 } | |
| 4389 } | |
| 4390 } | |
| 4391 } | |
| 4392 } | |
| 4393 if (!s->isVarDeclaration()) | |
| 4394 { | |
| 4395 declaration->semantic(sc); | |
| 4396 s->parent = sc->parent; | |
| 4397 } | |
| 4398 if (!global.errors) | |
| 4399 { | |
| 4400 declaration->semantic2(sc); | |
| 4401 if (!global.errors) | |
| 4402 { | |
| 4403 declaration->semantic3(sc); | |
| 4404 | |
| 4405 if (!global.errors && global.params.useInline) | |
| 4406 declaration->inlineScan(); | |
| 4407 } | |
| 4408 } | |
| 4409 | |
| 4410 type = Type::tvoid; | |
| 4411 return this; | |
| 4412 } | |
| 4413 | |
| 4414 int DeclarationExp::checkSideEffect(int flag) | |
| 4415 { | |
| 4416 return 1; | |
| 4417 } | |
| 4418 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4427 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4428 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4429 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4430 |
| 159 | 4431 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4432 { | |
| 4433 declaration->toCBuffer(buf, hgs); | |
| 4434 } | |
| 4435 | |
| 4436 | |
| 4437 /************************ TypeidExp ************************************/ | |
| 4438 | |
| 4439 /* | |
| 4440 * typeid(int) | |
| 4441 */ | |
| 4442 | |
| 4443 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4444 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4445 { | |
| 4446 this->typeidType = typeidType; | |
| 4447 } | |
| 4448 | |
| 4449 | |
| 4450 Expression *TypeidExp::syntaxCopy() | |
| 4451 { | |
| 4452 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4453 } | |
| 4454 | |
| 4455 | |
| 4456 Expression *TypeidExp::semantic(Scope *sc) | |
| 4457 { Expression *e; | |
| 4458 | |
| 4459 #if LOGSEMANTIC | |
| 4460 printf("TypeidExp::semantic()\n"); | |
| 4461 #endif | |
| 4462 typeidType = typeidType->semantic(loc, sc); | |
| 4463 e = typeidType->getTypeInfo(sc); | |
| 336 | 4464 if (e->loc.linnum == 0) |
| 4465 e->loc = loc; // so there's at least some line number info | |
| 159 | 4466 return e; |
| 4467 } | |
| 4468 | |
| 4469 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4470 { | |
| 4471 buf->writestring("typeid("); | |
| 4472 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4473 buf->writeByte(')'); | |
| 4474 } | |
| 4475 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4476 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4477 #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
|
4478 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 * __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
|
4480 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4482 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
|
4483 : 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
|
4484 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4485 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
|
4486 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
|
4487 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4488 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4489 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4490 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
|
4491 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 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
|
4493 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4494 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4495 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4496 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
|
4497 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4498 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
|
4499 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
|
4500 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
|
4501 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4502 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
|
4503 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4504 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
|
4505 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
|
4506 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
|
4507 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4508 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4509 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
|
4510 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4511 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4512 |
| 159 | 4513 /************************************************************/ |
| 4514 | |
| 4515 HaltExp::HaltExp(Loc loc) | |
| 4516 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4517 { | |
| 4518 } | |
| 4519 | |
| 4520 Expression *HaltExp::semantic(Scope *sc) | |
| 4521 { | |
| 4522 #if LOGSEMANTIC | |
| 4523 printf("HaltExp::semantic()\n"); | |
| 4524 #endif | |
| 4525 type = Type::tvoid; | |
| 4526 return this; | |
| 4527 } | |
| 4528 | |
| 4529 int HaltExp::checkSideEffect(int flag) | |
| 4530 { | |
| 4531 return 1; | |
| 4532 } | |
| 4533 | |
| 4534 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4535 { | |
| 4536 buf->writestring("halt"); | |
| 4537 } | |
| 4538 | |
| 4539 /************************************************************/ | |
| 4540 | |
| 4541 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4542 Type *tspec, enum TOK tok2) | |
| 4543 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4544 { | |
| 4545 this->targ = targ; | |
| 4546 this->id = id; | |
| 4547 this->tok = tok; | |
| 4548 this->tspec = tspec; | |
| 4549 this->tok2 = tok2; | |
| 4550 } | |
| 4551 | |
| 4552 Expression *IsExp::syntaxCopy() | |
| 4553 { | |
| 4554 return new IsExp(loc, | |
| 4555 targ->syntaxCopy(), | |
| 4556 id, | |
| 4557 tok, | |
| 4558 tspec ? tspec->syntaxCopy() : NULL, | |
| 4559 tok2); | |
| 4560 } | |
| 4561 | |
| 4562 Expression *IsExp::semantic(Scope *sc) | |
| 4563 { Type *tded; | |
| 4564 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4565 /* 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
|
4566 * 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
|
4567 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4568 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4569 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4570 if (id && !(sc->flags & SCOPEstaticif)) |
| 4571 error("can only declare type aliases within static if conditionals"); | |
| 4572 | |
| 4573 unsigned errors_save = global.errors; | |
| 4574 global.errors = 0; | |
| 4575 global.gag++; // suppress printing of error messages | |
| 4576 targ = targ->semantic(loc, sc); | |
| 4577 global.gag--; | |
| 4578 unsigned gerrors = global.errors; | |
| 4579 global.errors = errors_save; | |
| 4580 | |
| 4581 if (gerrors) // if any errors happened | |
| 4582 { // then condition is false | |
| 4583 goto Lno; | |
| 4584 } | |
| 4585 else if (tok2 != TOKreserved) | |
| 4586 { | |
| 4587 switch (tok2) | |
| 4588 { | |
| 4589 case TOKtypedef: | |
| 4590 if (targ->ty != Ttypedef) | |
| 4591 goto Lno; | |
| 4592 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4593 break; | |
| 4594 | |
| 4595 case TOKstruct: | |
| 4596 if (targ->ty != Tstruct) | |
| 4597 goto Lno; | |
| 4598 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4599 goto Lno; | |
| 4600 tded = targ; | |
| 4601 break; | |
| 4602 | |
| 4603 case TOKunion: | |
| 4604 if (targ->ty != Tstruct) | |
| 4605 goto Lno; | |
| 4606 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4607 goto Lno; | |
| 4608 tded = targ; | |
| 4609 break; | |
| 4610 | |
| 4611 case TOKclass: | |
| 4612 if (targ->ty != Tclass) | |
| 4613 goto Lno; | |
| 4614 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4615 goto Lno; | |
| 4616 tded = targ; | |
| 4617 break; | |
| 4618 | |
| 4619 case TOKinterface: | |
| 4620 if (targ->ty != Tclass) | |
| 4621 goto Lno; | |
| 4622 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4623 goto Lno; | |
| 4624 tded = targ; | |
| 4625 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
|
4626 #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
|
4627 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
|
4628 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
|
4629 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
|
4630 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
|
4631 break; |
|
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 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4634 case TOKimmutable: |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4635 if (!targ->isInvariant()) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4636 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
|
4637 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
|
4638 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4639 #endif |
| 159 | 4640 |
| 4641 case TOKsuper: | |
| 4642 // If class or interface, get the base class and interfaces | |
| 4643 if (targ->ty != Tclass) | |
| 4644 goto Lno; | |
| 4645 else | |
| 4646 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4647 Arguments *args = new Arguments; | |
| 4648 args->reserve(cd->baseclasses.dim); | |
| 4649 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4650 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4651 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4652 } | |
| 4653 tded = new TypeTuple(args); | |
| 4654 } | |
| 4655 break; | |
| 4656 | |
| 4657 case TOKenum: | |
| 4658 if (targ->ty != Tenum) | |
| 4659 goto Lno; | |
| 4660 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4661 break; | |
| 4662 | |
| 4663 case TOKdelegate: | |
| 4664 if (targ->ty != Tdelegate) | |
| 4665 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
|
4666 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4667 break; |
| 4668 | |
| 4669 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
|
4670 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4671 if (targ->ty != Tfunction) |
| 159 | 4672 goto Lno; |
| 4673 tded = targ; | |
| 4674 | |
| 4675 /* Generate tuple from function parameter types. | |
| 4676 */ | |
| 4677 assert(tded->ty == Tfunction); | |
| 4678 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4679 size_t dim = Argument::dim(params); | |
| 4680 Arguments *args = new Arguments; | |
| 4681 args->reserve(dim); | |
| 4682 for (size_t i = 0; i < dim; i++) | |
| 4683 { Argument *arg = Argument::getNth(params, i); | |
| 4684 assert(arg && arg->type); | |
| 4685 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4686 } | |
| 4687 tded = new TypeTuple(args); | |
| 4688 break; | |
| 4689 } | |
| 4690 case TOKreturn: | |
| 4691 /* Get the 'return type' for the function, | |
| 4692 * delegate, or pointer to function. | |
| 4693 */ | |
| 4694 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
|
4695 tded = ((TypeFunction *)targ)->next; |
| 159 | 4696 else if (targ->ty == Tdelegate) |
| 4697 tded = targ->next->next; | |
| 4698 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4699 tded = targ->next->next; | |
| 4700 else | |
| 4701 goto Lno; | |
| 4702 break; | |
| 4703 | |
| 4704 default: | |
| 4705 assert(0); | |
| 4706 } | |
| 4707 goto Lyes; | |
| 4708 } | |
| 4709 else if (id && tspec) | |
| 4710 { | |
| 4711 /* Evaluate to TRUE if targ matches tspec. | |
| 4712 * If TRUE, declare id as an alias for the specialized type. | |
| 4713 */ | |
| 4714 | |
| 4715 MATCH m; | |
| 4716 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4717 | |
| 4718 TemplateParameters parameters; | |
| 4719 parameters.setDim(1); | |
| 4720 parameters.data[0] = (void *)&tp; | |
| 4721 | |
| 4722 Objects dedtypes; | |
| 4723 dedtypes.setDim(1); | |
| 4724 dedtypes.data[0] = NULL; | |
| 4725 | |
| 4726 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4727 if (m == MATCHnomatch || | |
| 4728 (m != MATCHexact && tok == TOKequal)) | |
| 4729 goto Lno; | |
| 4730 else | |
| 4731 { | |
| 4732 assert(dedtypes.dim == 1); | |
| 4733 tded = (Type *)dedtypes.data[0]; | |
| 4734 if (!tded) | |
| 4735 tded = targ; | |
| 4736 goto Lyes; | |
| 4737 } | |
| 4738 } | |
| 4739 else if (id) | |
| 4740 { | |
| 4741 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4742 */ | |
| 4743 tded = targ; | |
| 4744 goto Lyes; | |
| 4745 } | |
| 4746 else if (tspec) | |
| 4747 { | |
| 4748 /* Evaluate to TRUE if targ matches tspec | |
| 4749 */ | |
| 4750 tspec = tspec->semantic(loc, sc); | |
| 4751 //printf("targ = %s\n", targ->toChars()); | |
| 4752 //printf("tspec = %s\n", tspec->toChars()); | |
| 4753 if (tok == TOKcolon) | |
| 4754 { if (targ->implicitConvTo(tspec)) | |
| 4755 goto Lyes; | |
| 4756 else | |
| 4757 goto Lno; | |
| 4758 } | |
| 4759 else /* == */ | |
| 4760 { if (targ->equals(tspec)) | |
| 4761 goto Lyes; | |
| 4762 else | |
| 4763 goto Lno; | |
| 4764 } | |
| 4765 } | |
| 4766 | |
| 4767 Lyes: | |
| 4768 if (id) | |
| 4769 { | |
| 4770 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4771 s->semantic(sc); | |
| 4772 sc->insert(s); | |
| 4773 if (sc->sd) | |
| 4774 s->addMember(sc, sc->sd, 1); | |
| 4775 } | |
| 4776 return new IntegerExp(1); | |
| 4777 | |
| 4778 Lno: | |
| 4779 return new IntegerExp(0); | |
| 4780 } | |
| 4781 | |
| 4782 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4783 { | |
| 4784 buf->writestring("is("); | |
| 4785 targ->toCBuffer(buf, id, hgs); | |
| 4786 if (tok2 != TOKreserved) | |
| 4787 { | |
| 4788 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4789 } | |
| 4790 else if (tspec) | |
| 4791 { | |
| 4792 if (tok == TOKcolon) | |
| 4793 buf->writestring(" : "); | |
| 4794 else | |
| 4795 buf->writestring(" == "); | |
| 4796 tspec->toCBuffer(buf, NULL, hgs); | |
| 4797 } | |
| 336 | 4798 #if DMDV2 |
| 159 | 4799 if (parameters) |
| 4800 { // First parameter is already output, so start with second | |
| 4801 for (int i = 1; i < parameters->dim; i++) | |
| 4802 { | |
| 4803 buf->writeByte(','); | |
| 4804 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4805 tp->toCBuffer(buf, hgs); | |
| 4806 } | |
| 4807 } | |
| 4808 #endif | |
| 4809 buf->writeByte(')'); | |
| 4810 } | |
| 4811 | |
| 4812 | |
| 4813 /************************************************************/ | |
| 4814 | |
| 4815 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4816 : Expression(loc, op, size) | |
| 4817 { | |
| 4818 this->e1 = e1; | |
| 4819 } | |
| 4820 | |
| 4821 Expression *UnaExp::syntaxCopy() | |
| 4822 { UnaExp *e; | |
| 4823 | |
| 4824 e = (UnaExp *)copy(); | |
| 4825 e->type = NULL; | |
| 4826 e->e1 = e->e1->syntaxCopy(); | |
| 4827 return e; | |
| 4828 } | |
| 4829 | |
| 4830 Expression *UnaExp::semantic(Scope *sc) | |
| 4831 { | |
| 4832 #if LOGSEMANTIC | |
| 4833 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4834 #endif | |
| 4835 e1 = e1->semantic(sc); | |
| 4836 // if (!e1->type) | |
| 4837 // error("%s has no value", e1->toChars()); | |
| 4838 return this; | |
| 4839 } | |
| 4840 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4841 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4842 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4843 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4844 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4845 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4846 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4847 |
| 159 | 4848 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4849 { | |
| 4850 buf->writestring(Token::toChars(op)); | |
| 4851 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4852 } | |
| 4853 | |
| 4854 /************************************************************/ | |
| 4855 | |
| 4856 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4857 : Expression(loc, op, size) | |
| 4858 { | |
| 4859 this->e1 = e1; | |
| 4860 this->e2 = e2; | |
| 4861 } | |
| 4862 | |
| 4863 Expression *BinExp::syntaxCopy() | |
| 4864 { BinExp *e; | |
| 4865 | |
| 4866 e = (BinExp *)copy(); | |
| 4867 e->type = NULL; | |
| 4868 e->e1 = e->e1->syntaxCopy(); | |
| 4869 e->e2 = e->e2->syntaxCopy(); | |
| 4870 return e; | |
| 4871 } | |
| 4872 | |
| 4873 Expression *BinExp::semantic(Scope *sc) | |
| 4874 { | |
| 4875 #if LOGSEMANTIC | |
| 4876 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4877 #endif | |
| 4878 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4879 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4880 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4881 { |
| 4882 error("%s has no value", e1->toChars()); | |
| 4883 e1->type = Type::terror; | |
| 4884 } | |
| 4885 e2 = e2->semantic(sc); | |
| 4886 if (!e2->type) | |
| 4887 { | |
| 4888 error("%s has no value", e2->toChars()); | |
| 4889 e2->type = Type::terror; | |
| 4890 } | |
| 4891 return this; | |
| 4892 } | |
| 4893 | |
| 4894 Expression *BinExp::semanticp(Scope *sc) | |
| 4895 { | |
| 4896 BinExp::semantic(sc); | |
| 4897 e1 = resolveProperties(sc, e1); | |
| 4898 e2 = resolveProperties(sc, e2); | |
| 4899 return this; | |
| 4900 } | |
| 4901 | |
| 4902 /*************************** | |
| 4903 * Common semantic routine for some xxxAssignExp's. | |
| 4904 */ | |
| 4905 | |
| 4906 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4907 { Expression *e; | |
| 4908 | |
| 4909 if (!type) | |
| 4910 { | |
| 4911 BinExp::semantic(sc); | |
| 4912 e2 = resolveProperties(sc, e2); | |
| 4913 | |
| 4914 e = op_overload(sc); | |
| 4915 if (e) | |
| 4916 return e; | |
| 4917 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4918 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
|
4919 { // T[] op= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4920 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
|
4921 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
|
4922 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
|
4923 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4924 |
| 159 | 4925 e1 = e1->modifiableLvalue(sc, e1); |
| 4926 e1->checkScalar(); | |
| 4927 type = e1->type; | |
| 4928 if (type->toBasetype()->ty == Tbool) | |
| 4929 { | |
| 4930 error("operator not allowed on bool expression %s", toChars()); | |
| 4931 } | |
| 4932 typeCombine(sc); | |
| 4933 e1->checkArithmetic(); | |
| 4934 e2->checkArithmetic(); | |
| 4935 | |
| 4936 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4937 { error("cannot perform modulo complex arithmetic"); | |
| 4938 return new IntegerExp(0); | |
| 4939 } | |
| 4940 } | |
| 4941 return this; | |
| 4942 } | |
| 4943 | |
| 4944 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4945 { Expression *e; | |
| 4946 | |
| 4947 if (!type) | |
| 4948 { | |
| 4949 BinExp::semantic(sc); | |
| 4950 e2 = resolveProperties(sc, e2); | |
| 4951 | |
| 4952 e = op_overload(sc); | |
| 4953 if (e) | |
| 4954 return e; | |
| 4955 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4956 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
|
4957 { // T[] op= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4958 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
|
4959 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
|
4960 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
|
4961 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4962 |
| 159 | 4963 e1 = e1->modifiableLvalue(sc, e1); |
| 4964 e1->checkScalar(); | |
| 4965 type = e1->type; | |
| 4966 if (type->toBasetype()->ty == Tbool) | |
| 4967 { | |
| 4968 e2 = e2->implicitCastTo(sc, type); | |
| 4969 } | |
| 4970 | |
| 4971 typeCombine(sc); | |
| 4972 e1->checkIntegral(); | |
| 4973 e2->checkIntegral(); | |
| 4974 } | |
| 4975 return this; | |
| 4976 } | |
| 4977 | |
| 4978 int BinExp::checkSideEffect(int flag) | |
| 4979 { | |
| 4980 if (op == TOKplusplus || | |
| 4981 op == TOKminusminus || | |
| 4982 op == TOKassign || | |
| 4983 op == TOKconstruct || | |
| 4984 op == TOKblit || | |
| 4985 op == TOKaddass || | |
| 4986 op == TOKminass || | |
| 4987 op == TOKcatass || | |
| 4988 op == TOKmulass || | |
| 4989 op == TOKdivass || | |
| 4990 op == TOKmodass || | |
| 4991 op == TOKshlass || | |
| 4992 op == TOKshrass || | |
| 4993 op == TOKushrass || | |
| 4994 op == TOKandass || | |
| 4995 op == TOKorass || | |
| 4996 op == TOKxorass || | |
| 4997 op == TOKin || | |
| 4998 op == TOKremove) | |
| 4999 return 1; | |
| 5000 return Expression::checkSideEffect(flag); | |
| 5001 } | |
| 5002 | |
| 5003 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5004 { | |
| 5005 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5006 buf->writeByte(' '); | |
| 5007 buf->writestring(Token::toChars(op)); | |
| 5008 buf->writeByte(' '); | |
| 5009 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5010 } | |
| 5011 | |
| 5012 int BinExp::isunsigned() | |
| 5013 { | |
| 5014 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5015 } | |
| 5016 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5017 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5018 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5019 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5020 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5021 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5022 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5023 |
| 159 | 5024 void BinExp::incompatibleTypes() |
| 5025 { | |
| 5026 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5027 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5028 e1->type->toChars(), e2->type->toChars()); | |
| 5029 } | |
| 5030 | |
| 5031 /************************************************************/ | |
| 5032 | |
| 5033 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5034 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5035 { | |
| 5036 } | |
| 5037 | |
| 5038 Expression *CompileExp::semantic(Scope *sc) | |
| 5039 { | |
| 5040 #if LOGSEMANTIC | |
| 5041 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5042 #endif | |
| 5043 UnaExp::semantic(sc); | |
| 5044 e1 = resolveProperties(sc, e1); | |
| 5045 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5046 if (e1->op != TOKstring) | |
| 5047 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5048 type = Type::terror; | |
| 5049 return this; | |
| 5050 } | |
| 5051 StringExp *se = (StringExp *)e1; | |
| 5052 se = se->toUTF8(sc); | |
| 5053 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5054 p.loc = loc; | |
| 5055 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5056 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5057 Expression *e = p.parseExpression(); |
| 5058 if (p.token.value != TOKeof) | |
| 5059 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5060 return e->semantic(sc); | |
| 5061 } | |
| 5062 | |
| 5063 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5064 { | |
| 5065 buf->writestring("mixin("); | |
| 5066 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5067 buf->writeByte(')'); | |
| 5068 } | |
| 5069 | |
| 5070 /************************************************************/ | |
| 5071 | |
| 5072 FileExp::FileExp(Loc loc, Expression *e) | |
| 5073 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5074 { | |
| 5075 } | |
| 5076 | |
| 5077 Expression *FileExp::semantic(Scope *sc) | |
| 5078 { char *name; | |
| 5079 StringExp *se; | |
| 5080 | |
| 5081 #if LOGSEMANTIC | |
| 5082 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5083 #endif | |
| 5084 UnaExp::semantic(sc); | |
| 5085 e1 = resolveProperties(sc, e1); | |
| 5086 e1 = e1->optimize(WANTvalue); | |
| 5087 if (e1->op != TOKstring) | |
| 5088 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5089 goto Lerror; | |
| 5090 } | |
| 5091 se = (StringExp *)e1; | |
| 5092 se = se->toUTF8(sc); | |
| 5093 name = (char *)se->string; | |
| 5094 | |
| 5095 if (!global.params.fileImppath) | |
| 5096 { error("need -Jpath switch to import text file %s", name); | |
| 5097 goto Lerror; | |
| 5098 } | |
| 5099 | |
| 5100 if (name != FileName::name(name)) | |
| 5101 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5102 goto Lerror; | |
| 5103 } | |
| 5104 | |
| 5105 name = FileName::searchPath(global.filePath, name, 0); | |
| 5106 if (!name) | |
| 5107 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5108 goto Lerror; | |
| 5109 } | |
| 5110 | |
| 5111 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5112 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5113 |
| 5114 { File f(name); | |
| 5115 if (f.read()) | |
| 5116 { error("cannot read file %s", f.toChars()); | |
| 5117 goto Lerror; | |
| 5118 } | |
| 5119 else | |
| 5120 { | |
| 5121 f.ref = 1; | |
| 5122 se = new StringExp(loc, f.buffer, f.len); | |
| 5123 } | |
| 5124 } | |
| 5125 Lret: | |
| 5126 return se->semantic(sc); | |
| 5127 | |
| 5128 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5129 se = new StringExp(loc, (char *)""); |
| 159 | 5130 goto Lret; |
| 5131 } | |
| 5132 | |
| 5133 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5134 { | |
| 5135 buf->writestring("import("); | |
| 5136 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5137 buf->writeByte(')'); | |
| 5138 } | |
| 5139 | |
| 5140 /************************************************************/ | |
| 5141 | |
| 5142 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5143 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5144 { | |
| 5145 this->msg = msg; | |
| 5146 } | |
| 5147 | |
| 5148 Expression *AssertExp::syntaxCopy() | |
| 5149 { | |
| 5150 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5151 msg ? msg->syntaxCopy() : NULL); | |
| 5152 return ae; | |
| 5153 } | |
| 5154 | |
| 5155 Expression *AssertExp::semantic(Scope *sc) | |
| 5156 { | |
| 5157 #if LOGSEMANTIC | |
| 5158 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5159 #endif | |
| 5160 UnaExp::semantic(sc); | |
| 5161 e1 = resolveProperties(sc, e1); | |
| 5162 // BUG: see if we can do compile time elimination of the Assert | |
| 5163 e1 = e1->optimize(WANTvalue); | |
| 5164 e1 = e1->checkToBoolean(); | |
| 5165 if (msg) | |
| 5166 { | |
| 5167 msg = msg->semantic(sc); | |
| 5168 msg = resolveProperties(sc, msg); | |
| 5169 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5170 msg = msg->optimize(WANTvalue); | |
| 5171 } | |
| 5172 if (e1->isBool(FALSE)) | |
| 5173 { | |
| 5174 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5175 fd->hasReturnExp |= 4; | |
| 5176 | |
| 5177 if (!global.params.useAssert) | |
| 5178 { Expression *e = new HaltExp(loc); | |
| 5179 e = e->semantic(sc); | |
| 5180 return e; | |
| 5181 } | |
| 5182 } | |
| 5183 type = Type::tvoid; | |
| 5184 return this; | |
| 5185 } | |
| 5186 | |
| 5187 int AssertExp::checkSideEffect(int flag) | |
| 5188 { | |
| 5189 return 1; | |
| 5190 } | |
| 5191 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5192 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5193 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5194 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5195 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5196 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5197 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5198 |
| 159 | 5199 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5200 { | |
| 5201 buf->writestring("assert("); | |
| 5202 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5203 if (msg) | |
| 5204 { | |
| 5205 buf->writeByte(','); | |
| 5206 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5207 } | |
| 5208 buf->writeByte(')'); | |
| 5209 } | |
| 5210 | |
| 5211 /************************************************************/ | |
| 5212 | |
| 5213 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5214 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5215 { | |
| 5216 this->ident = ident; | |
| 5217 } | |
| 5218 | |
| 5219 Expression *DotIdExp::semantic(Scope *sc) | |
| 5220 { Expression *e; | |
| 5221 Expression *eleft; | |
| 5222 Expression *eright; | |
| 5223 | |
| 5224 #if LOGSEMANTIC | |
| 5225 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5226 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5227 #endif | |
| 5228 | |
| 5229 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5230 | |
| 5231 #if 0 | |
| 5232 /* Don't do semantic analysis if we'll be converting | |
| 5233 * it to a string. | |
| 5234 */ | |
| 5235 if (ident == Id::stringof) | |
| 5236 { char *s = e1->toChars(); | |
| 5237 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5238 e = e->semantic(sc); | |
| 5239 return e; | |
| 5240 } | |
| 5241 #endif | |
| 5242 | |
| 5243 /* Special case: rewrite this.id and super.id | |
| 5244 * to be classtype.id and baseclasstype.id | |
| 5245 * if we have no this pointer. | |
| 5246 */ | |
| 5247 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5248 { ClassDeclaration *cd; | |
| 5249 StructDeclaration *sd; | |
| 5250 AggregateDeclaration *ad; | |
| 5251 | |
| 5252 ad = sc->getStructClassScope(); | |
| 5253 if (ad) | |
| 5254 { | |
| 5255 cd = ad->isClassDeclaration(); | |
| 5256 if (cd) | |
| 5257 { | |
| 5258 if (e1->op == TOKthis) | |
| 5259 { | |
| 5260 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5261 return e->semantic(sc); | |
| 5262 } | |
| 5263 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5264 { | |
| 5265 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5266 return e->semantic(sc); | |
| 5267 } | |
| 5268 } | |
| 5269 else | |
| 5270 { | |
| 5271 sd = ad->isStructDeclaration(); | |
| 5272 if (sd) | |
| 5273 { | |
| 5274 if (e1->op == TOKthis) | |
| 5275 { | |
| 5276 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5277 return e->semantic(sc); | |
| 5278 } | |
| 5279 } | |
| 5280 } | |
| 5281 } | |
| 5282 } | |
| 5283 | |
| 5284 UnaExp::semantic(sc); | |
| 5285 | |
| 5286 if (e1->op == TOKdotexp) | |
| 5287 { | |
| 5288 DotExp *de = (DotExp *)e1; | |
| 5289 eleft = de->e1; | |
| 5290 eright = de->e2; | |
| 5291 } | |
| 5292 else | |
| 5293 { | |
| 5294 e1 = resolveProperties(sc, e1); | |
| 5295 eleft = NULL; | |
| 5296 eright = e1; | |
| 5297 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5298 #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
|
5299 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
|
5300 { /* '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
|
5301 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5302 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
|
5303 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
|
5304 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
|
5305 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:
486
diff
changeset
|
5306 { 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
|
5307 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
|
5308 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
|
5309 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
|
5310 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5311 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
|
5312 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
|
5313 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
|
5314 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5315 #endif |
| 159 | 5316 |
| 5317 if (e1->op == TOKtuple && ident == Id::length) | |
| 5318 { | |
| 5319 TupleExp *te = (TupleExp *)e1; | |
| 5320 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5321 return e; | |
| 5322 } | |
| 5323 | |
| 5324 if (eright->op == TOKimport) // also used for template alias's | |
| 5325 { | |
| 5326 ScopeExp *ie = (ScopeExp *)eright; | |
| 5327 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5328 /* 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
|
5329 * 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
|
5330 * 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
|
5331 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5332 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
|
5333 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5334 if (s) |
| 5335 { | |
| 5336 s = s->toAlias(); | |
| 5337 checkDeprecated(sc, s); | |
| 5338 | |
| 5339 EnumMember *em = s->isEnumMember(); | |
| 5340 if (em) | |
| 5341 { | |
| 5342 e = em->value; | |
| 5343 e = e->semantic(sc); | |
| 5344 return e; | |
| 5345 } | |
| 5346 | |
| 5347 VarDeclaration *v = s->isVarDeclaration(); | |
| 5348 if (v) | |
| 5349 { | |
| 5350 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5351 if (v->inuse) | |
| 5352 { | |
| 5353 error("circular reference to '%s'", v->toChars()); | |
| 5354 type = Type::tint32; | |
| 5355 return this; | |
| 5356 } | |
| 5357 type = v->type; | |
| 5358 if (v->isConst()) | |
| 5359 { | |
| 5360 if (v->init) | |
| 5361 { | |
| 5362 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5363 if (ei) | |
| 5364 { | |
| 5365 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5366 //ei->exp = ei->exp->semantic(sc); | |
| 5367 if (ei->exp->type == type) | |
| 5368 { | |
| 5369 e = ei->exp->copy(); // make copy so we can change loc | |
| 5370 e->loc = loc; | |
| 5371 return e; | |
| 5372 } | |
| 5373 } | |
| 5374 } | |
| 5375 else if (type->isscalar()) | |
| 5376 { | |
| 5377 e = type->defaultInit(); | |
| 5378 e->loc = loc; | |
| 5379 return e; | |
| 5380 } | |
| 5381 } | |
| 5382 if (v->needThis()) | |
| 5383 { | |
| 5384 if (!eleft) | |
| 5385 eleft = new ThisExp(loc); | |
| 5386 e = new DotVarExp(loc, eleft, v); | |
| 5387 e = e->semantic(sc); | |
| 5388 } | |
| 5389 else | |
| 5390 { | |
| 5391 e = new VarExp(loc, v); | |
| 5392 if (eleft) | |
| 5393 { e = new CommaExp(loc, eleft, e); | |
| 5394 e->type = v->type; | |
| 5395 } | |
| 5396 } | |
| 5397 return e->deref(); | |
| 5398 } | |
| 5399 | |
| 5400 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5401 if (f) | |
| 5402 { | |
| 5403 //printf("it's a function\n"); | |
| 5404 if (f->needThis()) | |
| 5405 { | |
| 5406 if (!eleft) | |
| 5407 eleft = new ThisExp(loc); | |
| 5408 e = new DotVarExp(loc, eleft, f); | |
| 5409 e = e->semantic(sc); | |
| 5410 } | |
| 5411 else | |
| 5412 { | |
| 5413 e = new VarExp(loc, f); | |
| 5414 if (eleft) | |
| 5415 { e = new CommaExp(loc, eleft, e); | |
| 5416 e->type = f->type; | |
| 5417 } | |
| 5418 } | |
| 5419 return e; | |
| 5420 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5421 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5422 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5423 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5424 { //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
|
5425 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5426 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5427 #endif |
| 159 | 5428 |
| 5429 Type *t = s->getType(); | |
| 5430 if (t) | |
| 5431 { | |
| 5432 return new TypeExp(loc, t); | |
| 5433 } | |
| 5434 | |
| 336 | 5435 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5436 if (tup) | |
| 5437 { | |
| 5438 if (eleft) | |
| 5439 error("cannot have e.tuple"); | |
| 5440 e = new TupleExp(loc, tup); | |
| 5441 e = e->semantic(sc); | |
| 5442 return e; | |
| 5443 } | |
| 5444 | |
| 159 | 5445 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5446 if (sds) | |
| 5447 { | |
| 5448 //printf("it's a ScopeDsymbol\n"); | |
| 5449 e = new ScopeExp(loc, sds); | |
| 5450 e = e->semantic(sc); | |
| 5451 if (eleft) | |
| 5452 e = new DotExp(loc, eleft, e); | |
| 5453 return e; | |
| 5454 } | |
| 5455 | |
| 5456 Import *imp = s->isImport(); | |
| 5457 if (imp) | |
| 5458 { | |
| 5459 ScopeExp *ie; | |
| 5460 | |
| 5461 ie = new ScopeExp(loc, imp->pkg); | |
| 5462 return ie->semantic(sc); | |
| 5463 } | |
| 5464 | |
| 5465 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5466 #ifdef DEBUG | |
| 5467 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5468 #endif | |
| 5469 assert(0); | |
| 5470 } | |
| 5471 else if (ident == Id::stringof) | |
| 5472 { char *s = ie->toChars(); | |
| 5473 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5474 e = e->semantic(sc); | |
| 5475 return e; | |
| 5476 } | |
| 5477 error("undefined identifier %s", toChars()); | |
| 5478 type = Type::tvoid; | |
| 5479 return this; | |
| 5480 } | |
| 5481 else if (e1->type->ty == Tpointer && | |
| 5482 ident != Id::init && ident != Id::__sizeof && | |
| 5483 ident != Id::alignof && ident != Id::offsetof && | |
| 5484 ident != Id::mangleof && ident != Id::stringof) | |
| 5485 { | |
| 5486 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
|
5487 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5488 return e->type->dotExp(sc, e, ident); |
| 5489 } | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5490 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
5491 else if (t1b->ty == Tarray || |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5492 t1b->ty == Tsarray || |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5493 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5494 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5495 * e1.ident |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5496 * as: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5497 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5498 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5499 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5501 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5502 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5503 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
|
5504 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 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
|
5507 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5508 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5509 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5510 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5511 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5512 #endif |
| 159 | 5513 else |
| 5514 { | |
| 5515 e = e1->type->dotExp(sc, e1, ident); | |
| 5516 e = e->semantic(sc); | |
| 5517 return e; | |
| 5518 } | |
| 5519 } | |
| 5520 | |
| 5521 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5522 { | |
| 5523 //printf("DotIdExp::toCBuffer()\n"); | |
| 5524 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5525 buf->writeByte('.'); | |
| 5526 buf->writestring(ident->toChars()); | |
| 5527 } | |
| 5528 | |
| 5529 /********************** DotTemplateExp ***********************************/ | |
| 5530 | |
| 5531 // Mainly just a placeholder | |
| 5532 | |
| 5533 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5534 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5535 | |
| 5536 { | |
| 5537 this->td = td; | |
| 5538 } | |
| 5539 | |
| 5540 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5541 { | |
| 5542 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5543 buf->writeByte('.'); | |
| 5544 buf->writestring(td->toChars()); | |
| 5545 } | |
| 5546 | |
| 5547 | |
| 5548 /************************************************************/ | |
| 5549 | |
| 5550 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5551 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5552 { | |
| 5553 //printf("DotVarExp()\n"); | |
| 5554 this->var = v; | |
| 5555 } | |
| 5556 | |
| 5557 Expression *DotVarExp::semantic(Scope *sc) | |
| 5558 { | |
| 5559 #if LOGSEMANTIC | |
| 5560 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5561 #endif | |
| 5562 if (!type) | |
| 5563 { | |
| 5564 var = var->toAlias()->isDeclaration(); | |
| 5565 | |
| 5566 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5567 if (tup) | |
| 5568 { /* Replace: | |
| 5569 * e1.tuple(a, b, c) | |
| 5570 * with: | |
| 5571 * tuple(e1.a, e1.b, e1.c) | |
| 5572 */ | |
| 5573 Expressions *exps = new Expressions; | |
| 5574 | |
| 5575 exps->reserve(tup->objects->dim); | |
| 5576 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5577 { Object *o = (Object *)tup->objects->data[i]; | |
| 5578 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5579 { | |
| 5580 error("%s is not an expression", o->toChars()); | |
| 5581 } | |
| 5582 else | |
| 5583 { | |
| 5584 Expression *e = (Expression *)o; | |
| 5585 if (e->op != TOKdsymbol) | |
| 5586 error("%s is not a member", e->toChars()); | |
| 5587 else | |
| 5588 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5589 | |
| 5590 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5591 exps->push(e); | |
| 5592 } | |
| 5593 } | |
| 5594 } | |
| 5595 Expression *e = new TupleExp(loc, exps); | |
| 5596 e = e->semantic(sc); | |
| 5597 return e; | |
| 5598 } | |
| 5599 | |
| 5600 e1 = e1->semantic(sc); | |
| 5601 type = var->type; | |
| 5602 if (!type && global.errors) | |
| 5603 { // var is goofed up, just return 0 | |
| 5604 return new IntegerExp(0); | |
| 5605 } | |
| 5606 assert(type); | |
| 5607 | |
| 5608 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5609 { | |
| 5610 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5611 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5612 if (!sc->noaccesscheck) | |
| 5613 accessCheck(loc, sc, e1, var); | |
| 5614 | |
| 5615 VarDeclaration *v = var->isVarDeclaration(); | |
| 5616 if (v && v->isConst()) | |
| 5617 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5618 if (ei) | |
| 5619 { Expression *e = ei->exp->copy(); | |
| 5620 e = e->semantic(sc); | |
| 5621 return e; | |
| 159 | 5622 } |
| 5623 } | |
| 5624 } | |
| 5625 } | |
| 5626 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5627 return this; | |
| 5628 } | |
| 5629 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5630 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5631 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5632 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5633 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5634 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5635 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5636 |
| 159 | 5637 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5638 { | |
| 5639 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5640 return this; | |
| 5641 } | |
| 5642 | |
| 5643 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5644 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5645 #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
|
5646 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
|
5647 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
|
5648 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
|
5649 #endif |
| 159 | 5650 |
| 5651 if (var->isCtorinit()) | |
| 5652 { // It's only modifiable if inside the right constructor | |
| 5653 Dsymbol *s = sc->func; | |
| 5654 while (1) | |
| 5655 { | |
| 5656 FuncDeclaration *fd = NULL; | |
| 5657 if (s) | |
| 5658 fd = s->isFuncDeclaration(); | |
| 5659 if (fd && | |
| 5660 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5661 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5662 fd->toParent() == var->toParent() && | |
| 5663 e1->op == TOKthis | |
| 5664 ) | |
| 5665 { | |
| 5666 VarDeclaration *v = var->isVarDeclaration(); | |
| 5667 assert(v); | |
| 5668 v->ctorinit = 1; | |
| 5669 //printf("setting ctorinit\n"); | |
| 5670 } | |
| 5671 else | |
| 5672 { | |
| 5673 if (s) | |
| 5674 { s = s->toParent2(); | |
| 5675 continue; | |
| 5676 } | |
| 5677 else | |
| 5678 { | |
| 5679 const char *p = var->isStatic() ? "static " : ""; | |
| 5680 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5681 p, var->toChars(), p); | |
| 5682 } | |
| 5683 } | |
| 5684 break; | |
| 5685 } | |
| 5686 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5687 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5688 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5698 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5699 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5700 #endif |
| 159 | 5701 return this; |
| 5702 } | |
| 5703 | |
| 5704 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5705 { | |
| 5706 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5707 buf->writeByte('.'); | |
| 5708 buf->writestring(var->toChars()); | |
| 5709 } | |
| 5710 | |
| 5711 /************************************************************/ | |
| 5712 | |
| 5713 /* Things like: | |
| 5714 * foo.bar!(args) | |
| 5715 */ | |
| 5716 | |
| 5717 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5718 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5719 { | |
| 5720 //printf("DotTemplateInstanceExp()\n"); | |
| 5721 this->ti = ti; | |
| 5722 } | |
| 5723 | |
| 5724 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5725 { | |
| 5726 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5727 e1->syntaxCopy(), | |
| 5728 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5729 return de; | |
| 5730 } | |
| 5731 | |
| 5732 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5733 { Dsymbol *s; | |
| 5734 Dsymbol *s2; | |
| 5735 TemplateDeclaration *td; | |
| 5736 Expression *e; | |
| 5737 Identifier *id; | |
| 5738 Type *t1; | |
| 5739 Expression *eleft = NULL; | |
| 5740 Expression *eright; | |
| 5741 | |
| 5742 #if LOGSEMANTIC | |
| 5743 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5744 #endif | |
| 5745 //e1->print(); | |
| 5746 //print(); | |
| 5747 e1 = e1->semantic(sc); | |
| 5748 t1 = e1->type; | |
| 5749 if (t1) | |
| 5750 t1 = t1->toBasetype(); | |
| 5751 //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
|
5752 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5753 /* 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
|
5754 * 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
|
5755 * 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
|
5756 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5757 |
| 159 | 5758 if (e1->op == TOKdotexp) |
| 5759 { DotExp *de = (DotExp *)e1; | |
| 5760 eleft = de->e1; | |
| 5761 eright = de->e2; | |
| 5762 } | |
| 5763 else | |
| 5764 { eleft = NULL; | |
| 5765 eright = e1; | |
| 5766 } | |
| 5767 if (eright->op == TOKimport) | |
| 5768 { | |
| 5769 s = ((ScopeExp *)eright)->sds; | |
| 5770 } | |
| 5771 else if (e1->op == TOKtype) | |
| 5772 { | |
| 5773 s = t1->isClassHandle(); | |
| 5774 if (!s) | |
| 5775 { if (t1->ty == Tstruct) | |
| 5776 s = ((TypeStruct *)t1)->sym; | |
| 5777 else | |
| 5778 goto L1; | |
| 5779 } | |
| 5780 } | |
| 5781 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5782 { | |
| 5783 s = t1->toDsymbol(sc); | |
| 5784 eleft = e1; | |
| 5785 } | |
| 5786 else if (t1 && t1->ty == Tpointer) | |
| 5787 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5788 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5789 if (t1->ty != Tstruct) |
| 5790 goto L1; | |
| 5791 s = t1->toDsymbol(sc); | |
| 5792 eleft = e1; | |
| 5793 } | |
| 5794 else | |
| 5795 { | |
| 5796 L1: | |
| 5797 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5798 goto Lerr; | |
| 5799 } | |
| 5800 | |
| 5801 assert(s); | |
| 5802 id = ti->name; | |
| 5803 s2 = s->search(loc, id, 0); | |
| 5804 if (!s2) | |
|
1258
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
5805 { if (s->ident) |
|
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
5806 error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); |
|
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
5807 else |
|
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
5808 error("template identifier %s is not a member of %s", id->toChars(), s->kind()); |
| 159 | 5809 goto Lerr; |
| 5810 } | |
| 5811 s = s2; | |
| 5812 s->semantic(sc); | |
| 5813 s = s->toAlias(); | |
| 5814 td = s->isTemplateDeclaration(); | |
| 5815 if (!td) | |
| 5816 { | |
| 5817 error("%s is not a template", id->toChars()); | |
| 5818 goto Lerr; | |
| 5819 } | |
| 5820 if (global.errors) | |
| 5821 goto Lerr; | |
| 5822 | |
| 5823 ti->tempdecl = td; | |
| 5824 | |
| 5825 if (eleft) | |
| 5826 { Declaration *v; | |
| 5827 | |
| 5828 ti->semantic(sc); | |
| 5829 s = ti->inst->toAlias(); | |
| 5830 v = s->isDeclaration(); | |
| 5831 if (v) | |
| 5832 { e = new DotVarExp(loc, eleft, v); | |
| 5833 e = e->semantic(sc); | |
| 5834 return e; | |
| 5835 } | |
| 5836 } | |
| 5837 | |
| 5838 e = new ScopeExp(loc, ti); | |
| 5839 if (eleft) | |
| 5840 { | |
| 5841 e = new DotExp(loc, eleft, e); | |
| 5842 } | |
| 5843 e = e->semantic(sc); | |
| 5844 return e; | |
| 5845 | |
| 5846 Lerr: | |
| 336 | 5847 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5848 } |
| 5849 | |
| 5850 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5851 { | |
| 5852 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5853 buf->writeByte('.'); | |
| 5854 ti->toCBuffer(buf, hgs); | |
| 5855 } | |
| 5856 | |
| 5857 /************************************************************/ | |
| 5858 | |
| 5859 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5860 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5861 { | |
| 5862 this->func = f; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
5863 m = NULL; |
| 159 | 5864 } |
| 5865 | |
| 5866 Expression *DelegateExp::semantic(Scope *sc) | |
| 5867 { | |
| 5868 #if LOGSEMANTIC | |
| 5869 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5870 #endif | |
| 5871 if (!type) | |
| 5872 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
5873 m = sc->module; |
| 159 | 5874 e1 = e1->semantic(sc); |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5875 // 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
|
5876 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5877 type = type->semantic(loc, sc); |
| 5878 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5879 if (func->needThis()) |
| 5880 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5881 } |
| 5882 return this; | |
| 5883 } | |
| 5884 | |
| 5885 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5886 { | |
| 5887 buf->writeByte('&'); | |
| 5888 if (!func->isNested()) | |
| 5889 { | |
| 5890 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5891 buf->writeByte('.'); | |
| 5892 } | |
| 5893 buf->writestring(func->toChars()); | |
| 5894 } | |
| 5895 | |
| 5896 /************************************************************/ | |
| 5897 | |
| 5898 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5899 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5900 { | |
| 5901 this->sym = s; | |
| 5902 this->type = s->getType(); | |
| 5903 } | |
| 5904 | |
| 5905 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5906 { | |
| 5907 #if LOGSEMANTIC | |
| 5908 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5909 #endif | |
| 5910 UnaExp::semantic(sc); | |
| 5911 return this; | |
| 5912 } | |
| 5913 | |
| 5914 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5915 { | |
| 5916 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5917 buf->writeByte('.'); | |
| 5918 buf->writestring(sym->toChars()); | |
| 5919 } | |
| 5920 | |
| 5921 /************************************************************/ | |
| 5922 | |
| 5923 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5924 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5925 { | |
| 5926 this->arguments = exps; | |
| 5927 } | |
| 5928 | |
| 5929 CallExp::CallExp(Loc loc, Expression *e) | |
| 5930 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5931 { | |
| 5932 this->arguments = NULL; | |
| 5933 } | |
| 5934 | |
| 5935 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5936 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5937 { | |
| 5938 Expressions *arguments = new Expressions(); | |
| 5939 arguments->setDim(1); | |
| 5940 arguments->data[0] = (void *)earg1; | |
| 5941 | |
| 5942 this->arguments = arguments; | |
| 5943 } | |
| 5944 | |
| 5945 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5946 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5947 { | |
| 5948 Expressions *arguments = new Expressions(); | |
| 5949 arguments->setDim(2); | |
| 5950 arguments->data[0] = (void *)earg1; | |
| 5951 arguments->data[1] = (void *)earg2; | |
| 5952 | |
| 5953 this->arguments = arguments; | |
| 5954 } | |
| 5955 | |
| 5956 Expression *CallExp::syntaxCopy() | |
| 5957 { | |
| 5958 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5959 } | |
| 5960 | |
| 5961 | |
| 5962 Expression *CallExp::semantic(Scope *sc) | |
| 5963 { | |
| 5964 TypeFunction *tf; | |
| 5965 FuncDeclaration *f; | |
| 5966 int i; | |
| 5967 Type *t1; | |
| 5968 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
|
5969 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5970 |
| 5971 #if LOGSEMANTIC | |
| 5972 printf("CallExp::semantic() %s\n", toChars()); | |
| 5973 #endif | |
| 5974 if (type) | |
| 5975 return this; // semantic() already run | |
| 5976 #if 0 | |
| 5977 if (arguments && arguments->dim) | |
| 5978 { | |
| 5979 Expression *earg = (Expression *)arguments->data[0]; | |
| 5980 earg->print(); | |
| 5981 if (earg->type) earg->type->print(); | |
| 5982 } | |
| 5983 #endif | |
| 5984 | |
| 5985 if (e1->op == TOKdelegate) | |
| 5986 { DelegateExp *de = (DelegateExp *)e1; | |
| 5987 | |
| 5988 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5989 return semantic(sc); | |
| 5990 } | |
| 5991 | |
| 5992 /* Transform: | |
| 5993 * array.id(args) into id(array,args) | |
| 5994 * aa.remove(arg) into delete aa[arg] | |
| 5995 */ | |
| 5996 if (e1->op == TOKdot) | |
| 5997 { | |
| 5998 // BUG: we should handle array.a.b.c.e(args) too | |
| 5999 | |
| 6000 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6001 dotid->e1 = dotid->e1->semantic(sc); | |
| 6002 assert(dotid->e1); | |
| 6003 if (dotid->e1->type) | |
| 6004 { | |
| 6005 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6006 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6007 { | |
| 6008 if (!arguments || arguments->dim != 1) | |
| 6009 { error("expected key as argument to aa.remove()"); | |
| 6010 goto Lagain; | |
| 6011 } | |
| 6012 Expression *key = (Expression *)arguments->data[0]; | |
| 6013 key = key->semantic(sc); | |
| 6014 key = resolveProperties(sc, key); | |
| 6015 key->rvalue(); | |
| 6016 | |
| 6017 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6018 key = key->implicitCastTo(sc, taa->index); | |
| 6019 key = key->implicitCastTo(sc, taa->key); | |
| 6020 | |
| 6021 return new RemoveExp(loc, dotid->e1, key); | |
| 6022 } | |
| 6023 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6024 { | |
| 6025 if (!arguments) | |
| 6026 arguments = new Expressions(); | |
| 6027 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6028 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6029 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
|
6030 #else |
| 159 | 6031 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
|
6032 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6033 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6034 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6035 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6036 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6037 #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
|
6038 /* 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
|
6039 * 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
|
6040 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6041 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
|
6042 { 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
|
6043 TemplateInstance *ti = se->sds->isTemplateInstance(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6044 if (ti && !ti->semanticdone) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6045 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6046 /* 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
|
6047 * 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
|
6048 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6049 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
|
6050 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
|
6051 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
|
6052 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
|
6053 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
|
6054 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
|
6055 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6056 /* 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
|
6057 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6058 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
|
6059 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
|
6060 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
|
6061 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6062 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6063 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6064 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6065 /* 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
|
6066 * 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
|
6067 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6068 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
|
6069 { 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
|
6070 TemplateInstance *ti = se->ti; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6071 if (!ti->semanticdone) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6072 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6073 /* 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
|
6074 * 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
|
6075 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6076 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
|
6077 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
|
6078 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
|
6079 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
|
6080 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
|
6081 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
|
6082 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
|
6083 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6084 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
|
6085 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
|
6086 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
|
6087 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6088 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6089 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
|
6090 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6091 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6092 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6093 |
| 159 | 6094 istemp = 0; |
| 6095 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
|
6096 //printf("Lagain: %s\n", toChars()); |
| 159 | 6097 f = NULL; |
| 6098 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6099 { | |
| 6100 // semantic() run later for these | |
| 6101 } | |
| 6102 else | |
| 6103 { | |
| 6104 UnaExp::semantic(sc); | |
| 6105 | |
| 6106 /* Look for e1 being a lazy parameter | |
| 6107 */ | |
| 6108 if (e1->op == TOKvar) | |
| 6109 { VarExp *ve = (VarExp *)e1; | |
| 6110 | |
| 6111 if (ve->var->storage_class & STClazy) | |
| 6112 { | |
| 6113 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6114 TypeDelegate *t = new TypeDelegate(tf); | |
| 6115 ve->type = t->semantic(loc, sc); | |
| 6116 } | |
| 6117 } | |
| 6118 | |
| 6119 if (e1->op == TOKimport) | |
| 6120 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6121 ScopeExp *se = (ScopeExp *)e1; | |
| 6122 e1 = new DsymbolExp(loc, se->sds); | |
| 6123 e1 = e1->semantic(sc); | |
| 6124 } | |
| 6125 #if 1 // patch for #540 by Oskar Linde | |
| 6126 else if (e1->op == TOKdotexp) | |
| 6127 { | |
| 6128 DotExp *de = (DotExp *) e1; | |
| 6129 | |
| 6130 if (de->e2->op == TOKimport) | |
| 6131 { // This should *really* be moved to ScopeExp::semantic() | |
| 6132 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6133 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6134 de->e2 = de->e2->semantic(sc); | |
| 6135 } | |
| 6136 | |
| 6137 if (de->e2->op == TOKtemplate) | |
| 6138 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6139 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6140 } | |
| 6141 } | |
| 6142 #endif | |
| 6143 } | |
| 6144 | |
| 6145 if (e1->op == TOKcomma) | |
| 6146 { | |
| 6147 CommaExp *ce = (CommaExp *)e1; | |
| 6148 | |
| 6149 e1 = ce->e2; | |
| 6150 e1->type = ce->type; | |
| 6151 ce->e2 = this; | |
| 6152 ce->type = NULL; | |
| 6153 return ce->semantic(sc); | |
| 6154 } | |
| 6155 | |
| 6156 t1 = NULL; | |
| 6157 if (e1->type) | |
| 6158 t1 = e1->type->toBasetype(); | |
| 6159 | |
| 6160 // Check for call operator overload | |
| 6161 if (t1) | |
| 6162 { AggregateDeclaration *ad; | |
| 6163 | |
| 6164 if (t1->ty == Tstruct) | |
| 6165 { | |
| 6166 ad = ((TypeStruct *)t1)->sym; | |
| 6167 if (search_function(ad, Id::call)) | |
| 6168 goto L1; // overload of opCall, therefore it's a call | |
| 6169 | |
| 6170 if (e1->op != TOKtype) | |
| 6171 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6172 /* It's a struct literal | |
| 6173 */ | |
| 6174 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6175 e = e->semantic(sc); | |
| 6176 e->type = e1->type; // in case e1->type was a typedef | |
| 6177 return e; | |
| 6178 } | |
| 6179 else if (t1->ty == Tclass) | |
| 6180 { | |
| 6181 ad = ((TypeClass *)t1)->sym; | |
| 6182 goto L1; | |
| 6183 L1: | |
| 6184 // Rewrite as e1.call(arguments) | |
| 6185 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6186 e = new CallExp(loc, e, arguments); | |
| 6187 e = e->semantic(sc); | |
| 6188 return e; | |
| 6189 } | |
| 6190 } | |
| 6191 | |
| 6192 arrayExpressionSemantic(arguments, sc); | |
| 6193 preFunctionArguments(loc, sc, arguments); | |
| 6194 | |
| 6195 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6196 e1->op == TOKdottd) | |
| 6197 { | |
| 6198 DotVarExp *dve; | |
| 6199 DotTemplateExp *dte; | |
| 6200 AggregateDeclaration *ad; | |
| 6201 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6202 |
| 159 | 6203 if (e1->op == TOKdotvar) |
| 6204 { // Do overload resolution | |
| 6205 dve = (DotVarExp *)(e1); | |
| 6206 | |
| 6207 f = dve->var->isFuncDeclaration(); | |
| 6208 assert(f); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6209 f = f->overloadResolve(loc, arguments, sc->module); |
| 159 | 6210 |
| 6211 ad = f->toParent()->isAggregateDeclaration(); | |
| 6212 } | |
| 6213 else | |
| 6214 { dte = (DotTemplateExp *)(e1); | |
| 6215 TemplateDeclaration *td = dte->td; | |
| 6216 assert(td); | |
| 6217 if (!arguments) | |
| 6218 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6219 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6220 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6221 if (!f) |
| 6222 { type = Type::terror; | |
| 6223 return this; | |
| 6224 } | |
| 6225 ad = td->toParent()->isAggregateDeclaration(); | |
| 6226 } | |
| 336 | 6227 if (f->needThis()) |
| 6228 { | |
| 6229 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6230 } | |
| 6231 | |
| 6232 /* Cannot call public functions from inside invariant | |
| 6233 * (because then the invariant would have infinite recursion) | |
| 159 | 6234 */ |
| 336 | 6235 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6236 ue->e1->op == TOKthis && | |
| 6237 f->addPostInvariant() | |
| 159 | 6238 ) |
| 6239 { | |
| 336 | 6240 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6241 } |
| 6242 | |
| 6243 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6244 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6245 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6246 #endif |
| 159 | 6247 accessCheck(loc, sc, ue->e1, f); |
| 6248 if (!f->needThis()) | |
| 6249 { | |
| 6250 VarExp *ve = new VarExp(loc, f); | |
| 6251 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6252 e1->type = f->type; | |
| 6253 } | |
| 6254 else | |
| 6255 { | |
| 6256 if (e1->op == TOKdotvar) | |
| 6257 dve->var = f; | |
| 6258 else | |
| 6259 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6260 e1->type = f->type; | |
| 6261 | |
| 6262 // See if we need to adjust the 'this' pointer | |
| 6263 AggregateDeclaration *ad = f->isThis(); | |
| 6264 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6265 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6266 ue->e1->op != TOKsuper) | |
| 6267 { | |
| 6268 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6269 ue->e1 = ue->e1->semantic(sc); | |
| 6270 } | |
| 6271 } | |
| 6272 t1 = e1->type; | |
| 6273 } | |
| 6274 else if (e1->op == TOKsuper) | |
| 6275 { | |
| 6276 // Base class constructor call | |
| 6277 ClassDeclaration *cd = NULL; | |
| 6278 | |
| 6279 if (sc->func) | |
| 6280 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6281 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6282 { | |
| 6283 error("super class constructor call must be in a constructor"); | |
| 6284 type = Type::terror; | |
| 6285 return this; | |
| 6286 } | |
| 6287 else | |
| 6288 { | |
| 6289 f = cd->baseClass->ctor; | |
| 6290 if (!f) | |
| 6291 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6292 type = Type::terror; | |
| 6293 return this; | |
| 6294 } | |
| 6295 else | |
| 6296 { | |
| 336 | 6297 if (!sc->intypeof) |
| 6298 { | |
| 159 | 6299 #if 0 |
| 336 | 6300 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6301 error("reference to this before super()"); | |
| 159 | 6302 #endif |
| 336 | 6303 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6304 error("constructor calls not allowed in loops or after labels"); | |
| 6305 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6306 error("multiple constructor calls"); | |
| 6307 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6308 } | |
| 159 | 6309 |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6310 f = f->overloadResolve(loc, arguments, sc->module); |
| 159 | 6311 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6312 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6313 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6314 #endif |
| 159 | 6315 e1 = new DotVarExp(e1->loc, e1, f); |
| 6316 e1 = e1->semantic(sc); | |
| 6317 t1 = e1->type; | |
| 6318 } | |
| 6319 } | |
| 6320 } | |
| 6321 else if (e1->op == TOKthis) | |
| 6322 { | |
| 6323 // same class constructor call | |
| 6324 ClassDeclaration *cd = NULL; | |
| 6325 | |
| 6326 if (sc->func) | |
| 6327 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6328 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6329 { | |
| 6330 error("class constructor call must be in a constructor"); | |
| 6331 type = Type::terror; | |
| 6332 return this; | |
| 6333 } | |
| 6334 else | |
| 6335 { | |
| 336 | 6336 if (!sc->intypeof) |
| 6337 { | |
| 159 | 6338 #if 0 |
| 336 | 6339 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6340 error("reference to this before super()"); | |
| 159 | 6341 #endif |
| 336 | 6342 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6343 error("constructor calls not allowed in loops or after labels"); | |
| 6344 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6345 error("multiple constructor calls"); | |
| 6346 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6347 } | |
| 159 | 6348 |
| 6349 f = cd->ctor; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6350 f = f->overloadResolve(loc, arguments, sc->module); |
| 159 | 6351 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6352 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6353 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6354 #endif |
| 159 | 6355 e1 = new DotVarExp(e1->loc, e1, f); |
| 6356 e1 = e1->semantic(sc); | |
| 6357 t1 = e1->type; | |
| 6358 | |
| 6359 // BUG: this should really be done by checking the static | |
| 6360 // call graph | |
| 6361 if (f == sc->func) | |
| 6362 error("cyclic constructor call"); | |
| 6363 } | |
| 6364 } | |
| 6365 else if (!t1) | |
| 6366 { | |
| 6367 error("function expected before (), not '%s'", e1->toChars()); | |
| 6368 type = Type::terror; | |
| 6369 return this; | |
| 6370 } | |
| 6371 else if (t1->ty != Tfunction) | |
| 6372 { | |
| 6373 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
|
6374 { 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
|
6375 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
|
6376 tf = (TypeFunction *)(td->next); |
| 159 | 6377 goto Lcheckargs; |
| 6378 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6379 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6380 { Expression *e; |
| 6381 | |
| 6382 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
|
6383 t1 = ((TypePointer *)t1)->next; |
| 159 | 6384 e->type = t1; |
| 6385 e1 = e; | |
| 6386 } | |
| 6387 else if (e1->op == TOKtemplate) | |
| 6388 { | |
| 6389 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6390 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6391 if (!f) |
| 6392 { type = Type::terror; | |
| 6393 return this; | |
| 6394 } | |
| 6395 if (f->needThis() && hasThis(sc)) | |
| 6396 { | |
| 6397 // Supply an implicit 'this', as in | |
| 6398 // this.ident | |
| 6399 | |
| 6400 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6401 goto Lagain; | |
| 6402 } | |
| 6403 | |
| 6404 e1 = new VarExp(loc, f); | |
| 6405 goto Lagain; | |
| 6406 } | |
| 6407 else | |
| 6408 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6409 type = Type::terror; | |
| 6410 return this; | |
| 6411 } | |
| 6412 } | |
| 6413 else if (e1->op == TOKvar) | |
| 6414 { | |
| 6415 // Do overload resolution | |
| 6416 VarExp *ve = (VarExp *)e1; | |
| 6417 | |
| 6418 f = ve->var->isFuncDeclaration(); | |
| 6419 assert(f); | |
| 6420 | |
| 6421 // Look to see if f is really a function template | |
| 6422 if (0 && !istemp && f->parent) | |
| 6423 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6424 | |
| 6425 if (ti && | |
| 6426 (ti->name == f->ident || | |
| 6427 ti->toAlias()->ident == f->ident) | |
| 6428 && | |
| 6429 ti->tempdecl) | |
| 6430 { | |
| 6431 /* This is so that one can refer to the enclosing | |
| 6432 * template, even if it has the same name as a member | |
| 6433 * of the template, if it has a !(arguments) | |
| 6434 */ | |
| 6435 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6436 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6437 tempdecl = tempdecl->overroot; // then get the start | |
| 6438 e1 = new TemplateExp(loc, tempdecl); | |
| 6439 istemp = 1; | |
| 6440 goto Lagain; | |
| 6441 } | |
| 6442 } | |
| 6443 | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6444 f = f->overloadResolve(loc, arguments, sc->module); |
| 159 | 6445 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6446 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6447 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6448 #endif |
| 159 | 6449 |
| 6450 if (f->needThis() && hasThis(sc)) | |
| 6451 { | |
| 6452 // Supply an implicit 'this', as in | |
| 6453 // this.ident | |
| 6454 | |
| 6455 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6456 goto Lagain; | |
| 6457 } | |
| 6458 | |
| 6459 accessCheck(loc, sc, NULL, f); | |
| 6460 | |
| 6461 ve->var = f; | |
| 6462 ve->type = f->type; | |
| 6463 t1 = f->type; | |
| 6464 } | |
| 6465 assert(t1->ty == Tfunction); | |
| 6466 tf = (TypeFunction *)(t1); | |
| 6467 | |
| 6468 Lcheckargs: | |
| 6469 assert(tf->ty == Tfunction); | |
| 6470 type = tf->next; | |
| 6471 | |
| 6472 if (!arguments) | |
| 6473 arguments = new Expressions(); | |
| 6474 functionArguments(loc, sc, tf, arguments); | |
| 6475 | |
| 6476 assert(type); | |
| 6477 | |
| 6478 if (f && f->tintro) | |
| 6479 { | |
| 6480 Type *t = type; | |
| 6481 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
|
6482 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
|
6483 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6484 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
|
6485 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6486 type = tf->next; |
| 159 | 6487 return castTo(sc, t); |
| 6488 } | |
| 6489 } | |
| 6490 | |
| 6491 return this; | |
| 6492 } | |
| 6493 | |
| 6494 int CallExp::checkSideEffect(int flag) | |
| 6495 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 /* 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
|
6504 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 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
|
6506 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6510 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6511 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6512 /* 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
|
6513 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 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
|
6519 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 #endif |
| 159 | 6521 return 1; |
| 6522 } | |
| 6523 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 /* 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
|
6531 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 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
|
6533 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 /* 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
|
6540 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 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
|
6547 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6556 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6557 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6558 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6559 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6560 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6561 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6562 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6563 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6564 |
| 159 | 6565 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6566 { | |
| 6567 if (type->toBasetype()->ty == Tstruct) | |
| 6568 return this; | |
| 6569 else | |
| 6570 return Expression::toLvalue(sc, e); | |
| 6571 } | |
| 6572 | |
| 6573 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6574 { int i; | |
| 6575 | |
| 6576 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6577 buf->writeByte('('); | |
| 6578 argsToCBuffer(buf, arguments, hgs); | |
| 6579 buf->writeByte(')'); | |
| 6580 } | |
| 6581 | |
| 6582 | |
| 6583 /************************************************************/ | |
| 6584 | |
| 6585 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6586 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6587 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6588 m = NULL; |
| 159 | 6589 } |
| 6590 | |
| 6591 Expression *AddrExp::semantic(Scope *sc) | |
| 6592 { | |
| 6593 #if LOGSEMANTIC | |
| 6594 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6595 #endif | |
| 6596 if (!type) | |
| 6597 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6598 m = sc->module; |
| 159 | 6599 UnaExp::semantic(sc); |
| 6600 e1 = e1->toLvalue(sc, NULL); | |
| 6601 if (!e1->type) | |
| 6602 { | |
| 6603 error("cannot take address of %s", e1->toChars()); | |
| 6604 type = Type::tint32; | |
| 6605 return this; | |
| 6606 } | |
| 6607 type = e1->type->pointerTo(); | |
| 6608 | |
| 6609 // See if this should really be a delegate | |
| 6610 if (e1->op == TOKdotvar) | |
| 6611 { | |
| 6612 DotVarExp *dve = (DotVarExp *)e1; | |
| 6613 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6614 | |
| 6615 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
|
6616 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6617 e = e->semantic(sc); |
| 6618 return e; | |
| 6619 } | |
| 6620 } | |
| 6621 else if (e1->op == TOKvar) | |
| 6622 { | |
| 6623 VarExp *dve = (VarExp *)e1; | |
| 6624 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6625 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6626 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6627 // 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
|
6628 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
|
6629 { |
|
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
|
6630 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
|
6631 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
|
6632 } |
|
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
|
6633 |
| 159 | 6634 if (f && f->isNested()) |
| 6635 { Expression *e; | |
| 6636 | |
| 6637 e = new DelegateExp(loc, e1, f); | |
| 6638 e = e->semantic(sc); | |
| 6639 return e; | |
| 6640 } | |
| 6641 } | |
| 6642 else if (e1->op == TOKarray) | |
| 6643 { | |
| 6644 if (e1->type->toBasetype()->ty == Tbit) | |
| 6645 error("cannot take address of bit in array"); | |
| 6646 } | |
| 6647 return optimize(WANTvalue); | |
| 6648 } | |
| 6649 return this; | |
| 6650 } | |
| 6651 | |
| 6652 /************************************************************/ | |
| 6653 | |
| 6654 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6655 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6656 { | |
| 6657 if (e->type) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6658 type = ((TypePointer *)e->type)->next; |
| 159 | 6659 } |
| 6660 | |
| 6661 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6662 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6663 { | |
| 6664 type = t; | |
| 6665 } | |
| 6666 | |
| 6667 Expression *PtrExp::semantic(Scope *sc) | |
| 6668 { Type *tb; | |
| 6669 | |
| 6670 #if LOGSEMANTIC | |
| 6671 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6672 #endif | |
| 6673 UnaExp::semantic(sc); | |
| 6674 e1 = resolveProperties(sc, e1); | |
| 6675 if (type) | |
| 6676 return this; | |
| 6677 if (!e1->type) | |
| 6678 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6679 tb = e1->type->toBasetype(); | |
| 6680 switch (tb->ty) | |
| 6681 { | |
| 6682 case Tpointer: | |
| 6683 type = tb->next; | |
| 6684 if (type->isbit()) | |
| 6685 { Expression *e; | |
| 6686 | |
| 6687 // Rewrite *p as p[0] | |
| 6688 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6689 return e->semantic(sc); | |
| 6690 } | |
| 6691 break; | |
| 6692 | |
| 6693 case Tsarray: | |
| 6694 case Tarray: | |
| 6695 type = tb->next; | |
| 6696 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6697 break; | |
| 6698 | |
| 6699 default: | |
| 6700 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6701 type = Type::tint32; | |
| 6702 break; | |
| 6703 } | |
| 6704 rvalue(); | |
| 6705 return this; | |
| 6706 } | |
| 6707 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6708 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6709 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6710 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6711 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6712 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6713 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6714 |
| 159 | 6715 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6716 { | |
| 6717 #if 0 | |
| 6718 tym = tybasic(e1->ET->Tty); | |
| 6719 if (!(tyscalar(tym) || | |
| 6720 tym == TYstruct || | |
| 6721 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6722 synerr(EM_lvalue); // lvalue expected | |
| 6723 #endif | |
| 6724 return this; | |
| 6725 } | |
| 6726 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6730 //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
|
6731 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6732 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6733 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6734 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6735 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6736 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6737 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6738 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6739 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6740 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6741 |
| 159 | 6742 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6743 { | |
| 6744 buf->writeByte('*'); | |
| 6745 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6746 } | |
| 6747 | |
| 6748 /************************************************************/ | |
| 6749 | |
| 6750 NegExp::NegExp(Loc loc, Expression *e) | |
| 6751 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6752 { | |
| 6753 } | |
| 6754 | |
| 6755 Expression *NegExp::semantic(Scope *sc) | |
| 6756 { Expression *e; | |
| 6757 | |
| 6758 #if LOGSEMANTIC | |
| 6759 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6760 #endif | |
| 6761 if (!type) | |
| 6762 { | |
| 6763 UnaExp::semantic(sc); | |
| 6764 e1 = resolveProperties(sc, e1); | |
| 6765 e = op_overload(sc); | |
| 6766 if (e) | |
| 6767 return e; | |
| 6768 | |
| 6769 e1->checkNoBool(); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6770 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
|
6771 e1->checkArithmetic(); |
| 159 | 6772 type = e1->type; |
| 6773 } | |
| 6774 return this; | |
| 6775 } | |
| 6776 | |
| 6777 /************************************************************/ | |
| 6778 | |
| 6779 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6780 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6781 { | |
| 6782 } | |
| 6783 | |
| 6784 Expression *UAddExp::semantic(Scope *sc) | |
| 6785 { Expression *e; | |
| 6786 | |
| 6787 #if LOGSEMANTIC | |
| 6788 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6789 #endif | |
| 6790 assert(!type); | |
| 6791 UnaExp::semantic(sc); | |
| 6792 e1 = resolveProperties(sc, e1); | |
| 6793 e = op_overload(sc); | |
| 6794 if (e) | |
| 6795 return e; | |
| 6796 e1->checkNoBool(); | |
| 6797 e1->checkArithmetic(); | |
| 6798 return e1; | |
| 6799 } | |
| 6800 | |
| 6801 /************************************************************/ | |
| 6802 | |
| 6803 ComExp::ComExp(Loc loc, Expression *e) | |
| 6804 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6805 { | |
| 6806 } | |
| 6807 | |
| 6808 Expression *ComExp::semantic(Scope *sc) | |
| 6809 { Expression *e; | |
| 6810 | |
| 6811 if (!type) | |
| 6812 { | |
| 6813 UnaExp::semantic(sc); | |
| 6814 e1 = resolveProperties(sc, e1); | |
| 6815 e = op_overload(sc); | |
| 6816 if (e) | |
| 6817 return e; | |
| 6818 | |
| 6819 e1->checkNoBool(); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6820 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
|
6821 e1 = e1->checkIntegral(); |
| 159 | 6822 type = e1->type; |
| 6823 } | |
| 6824 return this; | |
| 6825 } | |
| 6826 | |
| 6827 /************************************************************/ | |
| 6828 | |
| 6829 NotExp::NotExp(Loc loc, Expression *e) | |
| 6830 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6831 { | |
| 6832 } | |
| 6833 | |
| 6834 Expression *NotExp::semantic(Scope *sc) | |
| 6835 { | |
| 6836 UnaExp::semantic(sc); | |
| 6837 e1 = resolveProperties(sc, e1); | |
| 6838 e1 = e1->checkToBoolean(); | |
| 6839 type = Type::tboolean; | |
| 6840 return this; | |
| 6841 } | |
| 6842 | |
| 6843 int NotExp::isBit() | |
| 6844 { | |
| 6845 return TRUE; | |
| 6846 } | |
| 6847 | |
| 6848 | |
| 6849 | |
| 6850 /************************************************************/ | |
| 6851 | |
| 6852 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6853 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6854 { | |
| 6855 type = t; | |
| 6856 } | |
| 6857 | |
| 6858 Expression *BoolExp::semantic(Scope *sc) | |
| 6859 { | |
| 6860 UnaExp::semantic(sc); | |
| 6861 e1 = resolveProperties(sc, e1); | |
| 6862 e1 = e1->checkToBoolean(); | |
| 6863 type = Type::tboolean; | |
| 6864 return this; | |
| 6865 } | |
| 6866 | |
| 6867 int BoolExp::isBit() | |
| 6868 { | |
| 6869 return TRUE; | |
| 6870 } | |
| 6871 | |
| 6872 /************************************************************/ | |
| 6873 | |
| 6874 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6875 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6876 { | |
| 6877 } | |
| 6878 | |
| 6879 Expression *DeleteExp::semantic(Scope *sc) | |
| 6880 { | |
| 6881 Type *tb; | |
| 6882 | |
| 6883 UnaExp::semantic(sc); | |
| 6884 e1 = resolveProperties(sc, e1); | |
| 6885 e1 = e1->toLvalue(sc, NULL); | |
| 6886 type = Type::tvoid; | |
| 6887 | |
| 6888 tb = e1->type->toBasetype(); | |
| 6889 switch (tb->ty) | |
| 6890 { case Tclass: | |
| 6891 { TypeClass *tc = (TypeClass *)tb; | |
| 6892 ClassDeclaration *cd = tc->sym; | |
| 6893 | |
| 6894 if (cd->isCOMinterface()) | |
| 6895 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6896 */ | |
| 6897 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6898 } | |
| 6899 break; | |
| 6900 } | |
| 6901 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
|
6902 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6903 if (tb->ty == Tstruct) |
| 6904 { | |
| 6905 TypeStruct *ts = (TypeStruct *)tb; | |
| 6906 StructDeclaration *sd = ts->sym; | |
| 6907 FuncDeclaration *f = sd->aggDelete; | |
| 6908 | |
| 6909 if (f) | |
| 6910 { | |
| 6911 Type *tpv = Type::tvoid->pointerTo(); | |
| 6912 | |
| 6913 Expression *e = e1->castTo(sc, tpv); | |
| 6914 Expression *ec = new VarExp(loc, f); | |
| 6915 e = new CallExp(loc, ec, e); | |
| 6916 return e->semantic(sc); | |
| 6917 } | |
| 6918 } | |
| 6919 break; | |
| 6920 | |
| 6921 case Tarray: | |
| 6922 break; | |
| 6923 | |
| 6924 default: | |
| 6925 if (e1->op == TOKindex) | |
| 6926 { | |
| 6927 IndexExp *ae = (IndexExp *)(e1); | |
| 6928 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6929 if (tb1->ty == Taarray) | |
| 6930 break; | |
| 6931 } | |
| 6932 error("cannot delete type %s", e1->type->toChars()); | |
| 6933 break; | |
| 6934 } | |
| 6935 | |
| 6936 if (e1->op == TOKindex) | |
| 6937 { | |
| 6938 IndexExp *ae = (IndexExp *)(e1); | |
| 6939 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6940 if (tb1->ty == Taarray) | |
| 6941 { if (!global.params.useDeprecated) | |
| 6942 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6943 } | |
| 6944 } | |
| 6945 | |
| 6946 return this; | |
| 6947 } | |
| 6948 | |
| 6949 int DeleteExp::checkSideEffect(int flag) | |
| 6950 { | |
| 6951 return 1; | |
| 6952 } | |
| 6953 | |
| 6954 Expression *DeleteExp::checkToBoolean() | |
| 6955 { | |
| 6956 error("delete does not give a boolean result"); | |
| 6957 return this; | |
| 6958 } | |
| 6959 | |
| 6960 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6961 { | |
| 6962 buf->writestring("delete "); | |
| 6963 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6964 } | |
| 6965 | |
| 6966 /************************************************************/ | |
| 6967 | |
| 6968 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6969 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6970 { | |
| 6971 to = t; | |
| 6972 } | |
| 6973 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6974 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6975 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6976 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6977 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
|
6978 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6979 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6980 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6981 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6982 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6983 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6984 |
| 159 | 6985 Expression *CastExp::syntaxCopy() |
| 6986 { | |
| 6987 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6988 } | |
| 6989 | |
| 6990 | |
| 6991 Expression *CastExp::semantic(Scope *sc) | |
| 6992 { Expression *e; | |
| 6993 BinExp *b; | |
| 6994 UnaExp *u; | |
| 6995 | |
| 6996 #if LOGSEMANTIC | |
| 6997 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6998 #endif | |
| 6999 | |
| 7000 //static int x; assert(++x < 10); | |
| 7001 | |
| 7002 if (type) | |
| 7003 return this; | |
| 7004 UnaExp::semantic(sc); | |
| 7005 if (e1->type) // if not a tuple | |
| 7006 { | |
| 7007 e1 = resolveProperties(sc, e1); | |
| 7008 to = to->semantic(loc, sc); | |
| 7009 | |
| 7010 e = op_overload(sc); | |
| 7011 if (e) | |
| 7012 { | |
| 7013 return e->implicitCastTo(sc, to); | |
| 7014 } | |
| 7015 | |
| 7016 Type *tob = to->toBasetype(); | |
| 7017 if (tob->ty == Tstruct && | |
| 7018 !tob->equals(e1->type->toBasetype()) && | |
| 7019 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7020 ) | |
| 7021 { | |
| 7022 /* Look to replace: | |
| 7023 * cast(S)t | |
| 7024 * with: | |
| 7025 * S(t) | |
| 7026 */ | |
| 7027 | |
| 7028 // Rewrite as to.call(e1) | |
| 7029 e = new TypeExp(loc, to); | |
| 7030 e = new DotIdExp(loc, e, Id::call); | |
| 7031 e = new CallExp(loc, e, e1); | |
| 7032 e = e->semantic(sc); | |
| 7033 return e; | |
| 7034 } | |
| 7035 } | |
| 7036 e = e1->castTo(sc, to); | |
| 7037 return e; | |
| 7038 } | |
| 7039 | |
| 7040 int CastExp::checkSideEffect(int flag) | |
| 7041 { | |
| 7042 /* if not: | |
| 7043 * cast(void) | |
| 7044 * cast(classtype)func() | |
| 7045 */ | |
| 7046 if (!to->equals(Type::tvoid) && | |
| 7047 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7048 return Expression::checkSideEffect(flag); | |
| 7049 return 1; | |
| 7050 } | |
| 7051 | |
| 7052 void CastExp::checkEscape() | |
| 7053 { Type *tb = type->toBasetype(); | |
| 7054 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7055 e1->type->toBasetype()->ty == Tsarray) | |
| 7056 { VarExp *ve = (VarExp *)e1; | |
| 7057 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7058 if (v) | |
| 7059 { | |
| 7060 if (!v->isDataseg() && !v->isParameter()) | |
| 7061 error("escaping reference to local %s", v->toChars()); | |
| 7062 } | |
| 7063 } | |
| 7064 } | |
| 7065 | |
| 7066 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7067 { | |
| 7068 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7069 #if DMDV1 |
| 159 | 7070 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7071 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7083 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7084 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7085 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7087 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7088 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7089 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7090 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7091 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7092 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7093 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7094 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7095 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7096 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7097 #endif |
| 159 | 7098 buf->writeByte(')'); |
| 7099 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7100 } | |
| 7101 | |
| 7102 | |
| 7103 /************************************************************/ | |
| 7104 | |
| 7105 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7106 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7107 { | |
| 7108 this->upr = upr; | |
| 7109 this->lwr = lwr; | |
| 7110 lengthVar = NULL; | |
| 7111 } | |
| 7112 | |
| 7113 Expression *SliceExp::syntaxCopy() | |
| 7114 { | |
| 7115 Expression *lwr = NULL; | |
| 7116 if (this->lwr) | |
| 7117 lwr = this->lwr->syntaxCopy(); | |
| 7118 | |
| 7119 Expression *upr = NULL; | |
| 7120 if (this->upr) | |
| 7121 upr = this->upr->syntaxCopy(); | |
| 7122 | |
| 7123 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7124 } | |
| 7125 | |
| 7126 Expression *SliceExp::semantic(Scope *sc) | |
| 7127 { Expression *e; | |
| 7128 AggregateDeclaration *ad; | |
| 7129 //FuncDeclaration *fd; | |
| 7130 ScopeDsymbol *sym; | |
| 7131 | |
| 7132 #if LOGSEMANTIC | |
| 7133 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7134 #endif | |
| 7135 if (type) | |
| 7136 return this; | |
| 7137 | |
| 7138 UnaExp::semantic(sc); | |
| 7139 e1 = resolveProperties(sc, e1); | |
| 7140 | |
| 7141 e = this; | |
| 7142 | |
| 7143 Type *t = e1->type->toBasetype(); | |
| 7144 if (t->ty == Tpointer) | |
| 7145 { | |
| 7146 if (!lwr || !upr) | |
| 7147 error("need upper and lower bound to slice pointer"); | |
| 7148 } | |
| 7149 else if (t->ty == Tarray) | |
| 7150 { | |
| 7151 } | |
| 7152 else if (t->ty == Tsarray) | |
| 7153 { | |
| 7154 } | |
| 7155 else if (t->ty == Tclass) | |
| 7156 { | |
| 7157 ad = ((TypeClass *)t)->sym; | |
| 7158 goto L1; | |
| 7159 } | |
| 7160 else if (t->ty == Tstruct) | |
| 7161 { | |
| 7162 ad = ((TypeStruct *)t)->sym; | |
| 7163 | |
| 7164 L1: | |
| 7165 if (search_function(ad, Id::slice)) | |
| 7166 { | |
| 7167 // Rewrite as e1.slice(lwr, upr) | |
| 7168 e = new DotIdExp(loc, e1, Id::slice); | |
| 7169 | |
| 7170 if (lwr) | |
| 7171 { | |
| 7172 assert(upr); | |
| 7173 e = new CallExp(loc, e, lwr, upr); | |
| 7174 } | |
| 7175 else | |
| 7176 { assert(!upr); | |
| 7177 e = new CallExp(loc, e); | |
| 7178 } | |
| 7179 e = e->semantic(sc); | |
| 7180 return e; | |
| 7181 } | |
| 7182 goto Lerror; | |
| 7183 } | |
| 7184 else if (t->ty == Ttuple) | |
| 7185 { | |
| 7186 if (!lwr && !upr) | |
| 7187 return e1; | |
| 7188 if (!lwr || !upr) | |
| 7189 { error("need upper and lower bound to slice tuple"); | |
| 7190 goto Lerror; | |
| 7191 } | |
| 7192 } | |
| 7193 else | |
| 7194 goto Lerror; | |
| 7195 | |
| 7196 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7197 { | |
| 7198 sym = new ArrayScopeSymbol(this); | |
| 7199 sym->loc = loc; | |
| 7200 sym->parent = sc->scopesym; | |
| 7201 sc = sc->push(sym); | |
| 7202 } | |
| 7203 | |
| 7204 if (lwr) | |
| 7205 { lwr = lwr->semantic(sc); | |
| 7206 lwr = resolveProperties(sc, lwr); | |
| 7207 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7208 } | |
| 7209 if (upr) | |
| 7210 { upr = upr->semantic(sc); | |
| 7211 upr = resolveProperties(sc, upr); | |
| 7212 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7213 } | |
| 7214 | |
| 7215 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7216 sc->pop(); | |
| 7217 | |
| 7218 if (t->ty == Ttuple) | |
| 7219 { | |
| 7220 lwr = lwr->optimize(WANTvalue); | |
| 7221 upr = upr->optimize(WANTvalue); | |
| 7222 uinteger_t i1 = lwr->toUInteger(); | |
| 7223 uinteger_t i2 = upr->toUInteger(); | |
| 7224 | |
| 7225 size_t length; | |
| 7226 TupleExp *te; | |
| 7227 TypeTuple *tup; | |
| 7228 | |
| 7229 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7230 { te = (TupleExp *)e1; | |
| 7231 length = te->exps->dim; | |
| 7232 } | |
| 7233 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7234 { tup = (TypeTuple *)t; | |
| 7235 length = Argument::dim(tup->arguments); | |
| 7236 } | |
| 7237 else | |
| 7238 assert(0); | |
| 7239 | |
| 7240 if (i1 <= i2 && i2 <= length) | |
| 7241 { size_t j1 = (size_t) i1; | |
| 7242 size_t j2 = (size_t) i2; | |
| 7243 | |
| 7244 if (e1->op == TOKtuple) | |
| 7245 { Expressions *exps = new Expressions; | |
| 7246 exps->setDim(j2 - j1); | |
| 7247 for (size_t i = 0; i < j2 - j1; i++) | |
| 7248 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7249 exps->data[i] = (void *)e; | |
| 7250 } | |
| 7251 e = new TupleExp(loc, exps); | |
| 7252 } | |
| 7253 else | |
| 7254 { Arguments *args = new Arguments; | |
| 7255 args->reserve(j2 - j1); | |
| 7256 for (size_t i = j1; i < j2; i++) | |
| 7257 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7258 args->push(arg); | |
| 7259 } | |
| 7260 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7261 } | |
| 7262 e = e->semantic(sc); | |
| 7263 } | |
| 7264 else | |
| 7265 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7266 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7267 e = e1; |
| 7268 } | |
| 7269 return e; | |
| 7270 } | |
| 7271 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7272 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7273 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7274 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7275 type = t->nextOf()->arrayOf(); |
| 159 | 7276 return e; |
| 7277 | |
| 7278 Lerror: | |
| 7279 char *s; | |
| 7280 if (t->ty == Tvoid) | |
| 7281 s = e1->toChars(); | |
| 7282 else | |
| 7283 s = t->toChars(); | |
| 7284 error("%s cannot be sliced with []", s); | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
7285 e = new IntegerExp(0); |
| 159 | 7286 return e; |
| 7287 } | |
| 7288 | |
| 7289 void SliceExp::checkEscape() | |
| 7290 { | |
| 7291 e1->checkEscape(); | |
| 7292 } | |
| 7293 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7294 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7295 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7296 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7297 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7298 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7299 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7300 |
| 159 | 7301 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7302 { | |
| 7303 return this; | |
| 7304 } | |
| 7305 | |
| 7306 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7307 { | |
| 7308 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7309 return this; | |
| 7310 } | |
| 7311 | |
| 7312 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7313 { | |
| 7314 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7315 buf->writeByte('['); | |
| 7316 if (upr || lwr) | |
| 7317 { | |
| 7318 if (lwr) | |
| 7319 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7320 else | |
| 7321 buf->writeByte('0'); | |
| 7322 buf->writestring(".."); | |
| 7323 if (upr) | |
| 7324 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7325 else | |
| 7326 buf->writestring("length"); // BUG: should be array.length | |
| 7327 } | |
| 7328 buf->writeByte(']'); | |
| 7329 } | |
| 7330 | |
| 7331 /********************** ArrayLength **************************************/ | |
| 7332 | |
| 7333 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7334 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7335 { | |
| 7336 } | |
| 7337 | |
| 7338 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7339 { Expression *e; | |
| 7340 | |
| 7341 #if LOGSEMANTIC | |
| 7342 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7343 #endif | |
| 7344 if (!type) | |
| 7345 { | |
| 7346 UnaExp::semantic(sc); | |
| 7347 e1 = resolveProperties(sc, e1); | |
| 7348 | |
| 7349 type = Type::tsize_t; | |
| 7350 } | |
| 7351 return this; | |
| 7352 } | |
| 7353 | |
| 7354 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7355 { | |
| 7356 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7357 buf->writestring(".length"); | |
| 7358 } | |
| 7359 | |
| 7360 /*********************** ArrayExp *************************************/ | |
| 7361 | |
| 7362 // e1 [ i1, i2, i3, ... ] | |
| 7363 | |
| 7364 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7365 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7366 { | |
| 7367 arguments = args; | |
| 7368 } | |
| 7369 | |
| 7370 Expression *ArrayExp::syntaxCopy() | |
| 7371 { | |
| 7372 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7373 } | |
| 7374 | |
| 7375 Expression *ArrayExp::semantic(Scope *sc) | |
| 7376 { Expression *e; | |
| 7377 Type *t1; | |
| 7378 | |
| 7379 #if LOGSEMANTIC | |
| 7380 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7381 #endif | |
| 7382 UnaExp::semantic(sc); | |
| 7383 e1 = resolveProperties(sc, e1); | |
| 7384 | |
| 7385 t1 = e1->type->toBasetype(); | |
| 7386 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7387 { // Convert to IndexExp | |
| 7388 if (arguments->dim != 1) | |
| 7389 error("only one index allowed to index %s", t1->toChars()); | |
| 7390 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7391 return e->semantic(sc); | |
| 7392 } | |
| 7393 | |
| 7394 // Run semantic() on each argument | |
| 7395 for (size_t i = 0; i < arguments->dim; i++) | |
| 7396 { e = (Expression *)arguments->data[i]; | |
| 7397 | |
| 7398 e = e->semantic(sc); | |
| 7399 if (!e->type) | |
| 7400 error("%s has no value", e->toChars()); | |
| 7401 arguments->data[i] = (void *)e; | |
| 7402 } | |
| 7403 | |
| 7404 expandTuples(arguments); | |
| 7405 assert(arguments && arguments->dim); | |
| 7406 | |
| 7407 e = op_overload(sc); | |
| 7408 if (!e) | |
| 7409 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7410 e = e1; | |
| 7411 } | |
| 7412 return e; | |
| 7413 } | |
| 7414 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7415 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7416 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7417 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7418 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7419 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7420 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7421 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7422 #endif |
| 159 | 7423 |
| 7424 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7425 { | |
| 7426 if (type && type->toBasetype()->ty == Tvoid) | |
| 7427 error("voids have no value"); | |
| 7428 return this; | |
| 7429 } | |
| 7430 | |
| 7431 | |
| 7432 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7433 { int i; | |
| 7434 | |
| 7435 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7436 buf->writeByte('['); | |
| 7437 argsToCBuffer(buf, arguments, hgs); | |
| 7438 buf->writeByte(']'); | |
| 7439 } | |
| 7440 | |
| 7441 /************************* DotExp ***********************************/ | |
| 7442 | |
| 7443 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7444 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7445 { | |
| 7446 } | |
| 7447 | |
| 7448 Expression *DotExp::semantic(Scope *sc) | |
| 7449 { | |
| 7450 #if LOGSEMANTIC | |
| 7451 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7452 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7453 #endif | |
| 7454 e1 = e1->semantic(sc); | |
| 7455 e2 = e2->semantic(sc); | |
| 7456 if (e2->op == TOKimport) | |
| 7457 { | |
| 7458 ScopeExp *se = (ScopeExp *)e2; | |
| 7459 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7460 if (td) | |
| 7461 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7462 e = e->semantic(sc); | |
| 7463 return e; | |
| 7464 } | |
| 7465 } | |
| 7466 if (!type) | |
| 7467 type = e2->type; | |
| 7468 return this; | |
| 7469 } | |
| 7470 | |
| 7471 | |
| 7472 /************************* CommaExp ***********************************/ | |
| 7473 | |
| 7474 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7475 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7476 { | |
| 7477 } | |
| 7478 | |
| 7479 Expression *CommaExp::semantic(Scope *sc) | |
| 7480 { | |
| 7481 if (!type) | |
| 7482 { BinExp::semanticp(sc); | |
| 7483 type = e2->type; | |
| 7484 } | |
| 7485 return this; | |
| 7486 } | |
| 7487 | |
| 7488 void CommaExp::checkEscape() | |
| 7489 { | |
| 7490 e2->checkEscape(); | |
| 7491 } | |
| 7492 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7493 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7494 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7495 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7496 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7497 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7498 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7499 |
| 159 | 7500 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7501 { | |
| 7502 e2 = e2->toLvalue(sc, NULL); | |
| 7503 return this; | |
| 7504 } | |
| 7505 | |
| 7506 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7507 { | |
| 7508 e2 = e2->modifiableLvalue(sc, e); | |
| 7509 return this; | |
| 7510 } | |
| 7511 | |
| 7512 int CommaExp::isBool(int result) | |
| 7513 { | |
| 7514 return e2->isBool(result); | |
| 7515 } | |
| 7516 | |
| 7517 int CommaExp::checkSideEffect(int flag) | |
| 7518 { | |
| 7519 if (flag == 2) | |
| 7520 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7521 else | |
| 7522 { | |
| 7523 // Don't check e1 until we cast(void) the a,b code generation | |
| 7524 return e2->checkSideEffect(flag); | |
| 7525 } | |
| 7526 } | |
| 7527 | |
| 7528 /************************** IndexExp **********************************/ | |
| 7529 | |
| 7530 // e1 [ e2 ] | |
| 7531 | |
| 7532 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7533 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7534 { | |
| 7535 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7536 lengthVar = NULL; | |
| 7537 modifiable = 0; // assume it is an rvalue | |
| 7538 } | |
| 7539 | |
| 7540 Expression *IndexExp::semantic(Scope *sc) | |
| 7541 { Expression *e; | |
| 7542 BinExp *b; | |
| 7543 UnaExp *u; | |
| 7544 Type *t1; | |
| 7545 ScopeDsymbol *sym; | |
| 7546 | |
| 7547 #if LOGSEMANTIC | |
| 7548 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7549 #endif | |
| 7550 if (type) | |
| 7551 return this; | |
| 7552 if (!e1->type) | |
| 7553 e1 = e1->semantic(sc); | |
| 7554 assert(e1->type); // semantic() should already be run on it | |
| 7555 e = this; | |
| 7556 | |
| 7557 // Note that unlike C we do not implement the int[ptr] | |
| 7558 | |
| 7559 t1 = e1->type->toBasetype(); | |
| 7560 | |
| 7561 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7562 { // Create scope for 'length' variable | |
| 7563 sym = new ArrayScopeSymbol(this); | |
| 7564 sym->loc = loc; | |
| 7565 sym->parent = sc->scopesym; | |
| 7566 sc = sc->push(sym); | |
| 7567 } | |
| 7568 | |
| 7569 e2 = e2->semantic(sc); | |
| 7570 if (!e2->type) | |
| 7571 { | |
| 7572 error("%s has no value", e2->toChars()); | |
| 7573 e2->type = Type::terror; | |
| 7574 } | |
| 7575 e2 = resolveProperties(sc, e2); | |
| 7576 | |
| 7577 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7578 sc = sc->pop(); | |
| 7579 | |
| 7580 switch (t1->ty) | |
| 7581 { | |
| 7582 case Tpointer: | |
| 7583 case Tarray: | |
| 7584 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7585 e->type = t1->next; | |
| 7586 break; | |
| 7587 | |
| 7588 case Tsarray: | |
| 7589 { | |
| 7590 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7591 | |
| 7592 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7593 | |
| 7594 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7595 // Do compile time array bounds checking if possible | |
| 7596 e2 = e2->optimize(WANTvalue); | |
| 7597 if (e2->op == TOKint64) | |
| 7598 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7599 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7600 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7601 if (index < 0 || index >= length) |
| 7602 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7603 index, length); | |
| 7604 } | |
| 7605 #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
|
7606 e->type = t1->nextOf(); |
| 159 | 7607 break; |
| 7608 } | |
| 7609 | |
| 7610 case Taarray: | |
| 7611 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7612 | |
| 7613 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7614 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7615 type = taa->next; | |
| 7616 break; | |
| 7617 } | |
| 7618 | |
| 7619 case Ttuple: | |
| 7620 { | |
| 7621 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7622 e2 = e2->optimize(WANTvalue); | |
| 7623 uinteger_t index = e2->toUInteger(); | |
| 7624 size_t length; | |
| 7625 TupleExp *te; | |
| 7626 TypeTuple *tup; | |
| 7627 | |
| 7628 if (e1->op == TOKtuple) | |
| 7629 { te = (TupleExp *)e1; | |
| 7630 length = te->exps->dim; | |
| 7631 } | |
| 7632 else if (e1->op == TOKtype) | |
| 7633 { | |
| 7634 tup = (TypeTuple *)t1; | |
| 7635 length = Argument::dim(tup->arguments); | |
| 7636 } | |
| 7637 else | |
| 7638 assert(0); | |
| 7639 | |
| 7640 if (index < length) | |
| 7641 { | |
| 7642 | |
| 7643 if (e1->op == TOKtuple) | |
| 7644 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7645 else | |
| 7646 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7647 } | |
| 7648 else | |
| 7649 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7650 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
|
7651 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7652 e = e1; |
| 159 | 7653 } |
| 7654 break; | |
| 7655 } | |
| 7656 | |
| 7657 default: | |
| 7658 error("%s must be an array or pointer type, not %s", | |
| 7659 e1->toChars(), e1->type->toChars()); | |
| 7660 type = Type::tint32; | |
| 7661 break; | |
| 7662 } | |
| 7663 return e; | |
| 7664 } | |
| 7665 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7666 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7667 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7668 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7669 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7670 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7671 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7672 |
| 159 | 7673 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7674 { | |
| 7675 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7676 // error("voids have no value"); | |
| 7677 return this; | |
| 7678 } | |
| 7679 | |
| 7680 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7681 { | |
| 7682 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7683 modifiable = 1; | |
| 7684 if (e1->op == TOKstring) | |
| 7685 error("string literals are immutable"); | |
| 7686 if (e1->type->toBasetype()->ty == Taarray) | |
| 7687 e1 = e1->modifiableLvalue(sc, e1); | |
| 7688 return toLvalue(sc, e); | |
| 7689 } | |
| 7690 | |
| 7691 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7692 { | |
| 7693 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7694 buf->writeByte('['); | |
| 7695 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7696 buf->writeByte(']'); | |
| 7697 } | |
| 7698 | |
| 7699 | |
| 7700 /************************* PostExp ***********************************/ | |
| 7701 | |
| 7702 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7703 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7704 new IntegerExp(loc, 1, Type::tint32)) | |
| 7705 { | |
| 7706 } | |
| 7707 | |
| 7708 Expression *PostExp::semantic(Scope *sc) | |
| 7709 { Expression *e = this; | |
| 7710 | |
| 7711 if (!type) | |
| 7712 { | |
| 7713 BinExp::semantic(sc); | |
| 7714 e2 = resolveProperties(sc, e2); | |
| 7715 | |
| 7716 e = op_overload(sc); | |
| 7717 if (e) | |
| 7718 return e; | |
| 7719 | |
| 7720 e = this; | |
| 7721 e1 = e1->modifiableLvalue(sc, e1); | |
| 7722 e1->checkScalar(); | |
| 7723 e1->checkNoBool(); | |
| 7724 if (e1->type->ty == Tpointer) | |
| 7725 e = scaleFactor(sc); | |
| 7726 else | |
| 7727 e2 = e2->castTo(sc, e1->type); | |
| 7728 e->type = e1->type; | |
| 7729 } | |
| 7730 return e; | |
| 7731 } | |
| 7732 | |
| 7733 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7734 { | |
| 7735 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7736 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7737 } | |
| 7738 | |
| 7739 /************************************************************/ | |
| 7740 | |
| 7741 /* Can be TOKconstruct too */ | |
| 7742 | |
| 7743 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7744 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7745 { | |
| 7746 ismemset = 0; | |
| 7747 } | |
| 7748 | |
| 7749 Expression *AssignExp::semantic(Scope *sc) | |
| 7750 { Type *t1; | |
| 7751 Expression *e1old = e1; | |
| 7752 | |
| 7753 #if LOGSEMANTIC | |
| 7754 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7755 #endif | |
| 7756 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7757 | |
| 7758 /* Look for operator overloading of a[i]=value. | |
| 7759 * Do it before semantic() otherwise the a[i] will have been | |
| 7760 * converted to a.opIndex() already. | |
| 7761 */ | |
| 7762 if (e1->op == TOKarray) | |
| 7763 { Type *t1; | |
| 7764 ArrayExp *ae = (ArrayExp *)e1; | |
| 7765 AggregateDeclaration *ad; | |
| 7766 Identifier *id = Id::index; | |
| 7767 | |
| 7768 ae->e1 = ae->e1->semantic(sc); | |
| 7769 t1 = ae->e1->type->toBasetype(); | |
| 7770 if (t1->ty == Tstruct) | |
| 7771 { | |
| 7772 ad = ((TypeStruct *)t1)->sym; | |
| 7773 goto L1; | |
| 7774 } | |
| 7775 else if (t1->ty == Tclass) | |
| 7776 { | |
| 7777 ad = ((TypeClass *)t1)->sym; | |
| 7778 L1: | |
| 7779 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7780 if (search_function(ad, Id::indexass)) | |
| 7781 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7782 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7783 | |
| 7784 a->insert(0, e2); | |
| 7785 e = new CallExp(loc, e, a); | |
| 7786 e = e->semantic(sc); | |
| 7787 return e; | |
| 7788 } | |
| 7789 else | |
| 7790 { | |
| 7791 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7792 if (search_function(ad, id)) | |
| 7793 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7794 | |
| 7795 if (1 || !global.params.useDeprecated) | |
| 7796 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7797 | |
| 7798 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7799 e = e->semantic(sc); | |
| 7800 return e; | |
| 7801 } | |
| 7802 } | |
| 7803 } | |
| 7804 } | |
| 7805 /* Look for operator overloading of a[i..j]=value. | |
| 7806 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7807 * converted to a.opSlice() already. | |
| 7808 */ | |
| 7809 if (e1->op == TOKslice) | |
| 7810 { Type *t1; | |
| 7811 SliceExp *ae = (SliceExp *)e1; | |
| 7812 AggregateDeclaration *ad; | |
| 7813 Identifier *id = Id::index; | |
| 7814 | |
| 7815 ae->e1 = ae->e1->semantic(sc); | |
| 7816 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7817 t1 = ae->e1->type->toBasetype(); | |
| 7818 if (t1->ty == Tstruct) | |
| 7819 { | |
| 7820 ad = ((TypeStruct *)t1)->sym; | |
| 7821 goto L2; | |
| 7822 } | |
| 7823 else if (t1->ty == Tclass) | |
| 7824 { | |
| 7825 ad = ((TypeClass *)t1)->sym; | |
| 7826 L2: | |
| 7827 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7828 if (search_function(ad, Id::sliceass)) | |
| 7829 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7830 Expressions *a = new Expressions(); | |
| 7831 | |
| 7832 a->push(e2); | |
| 7833 if (ae->lwr) | |
| 7834 { a->push(ae->lwr); | |
| 7835 assert(ae->upr); | |
| 7836 a->push(ae->upr); | |
| 7837 } | |
| 7838 else | |
| 7839 assert(!ae->upr); | |
| 7840 e = new CallExp(loc, e, a); | |
| 7841 e = e->semantic(sc); | |
| 7842 return e; | |
| 7843 } | |
| 7844 } | |
| 7845 } | |
| 7846 | |
| 7847 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7848 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7849 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7850 { // 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
|
7851 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7852 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7853 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7854 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7855 |
| 159 | 7856 e2 = resolveProperties(sc, e2); |
| 7857 assert(e1->type); | |
| 7858 | |
| 7859 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7860 */ | |
| 7861 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7862 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7863 TupleExp *tup2 = (TupleExp *)e2; | |
| 7864 size_t dim = tup1->exps->dim; | |
| 7865 if (dim != tup2->exps->dim) | |
| 7866 { | |
| 7867 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7868 } | |
| 7869 else | |
| 7870 { Expressions *exps = new Expressions; | |
| 7871 exps->setDim(dim); | |
| 7872 | |
| 7873 for (int i = 0; i < dim; i++) | |
| 7874 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7875 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7876 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7877 } | |
| 7878 Expression *e = new TupleExp(loc, exps); | |
| 7879 e = e->semantic(sc); | |
| 7880 return e; | |
| 7881 } | |
| 7882 } | |
| 7883 | |
| 7884 t1 = e1->type->toBasetype(); | |
| 7885 | |
| 7886 if (t1->ty == Tfunction) | |
| 7887 { // Rewrite f=value to f(value) | |
| 7888 Expression *e; | |
| 7889 | |
| 7890 e = new CallExp(loc, e1, e2); | |
| 7891 e = e->semantic(sc); | |
| 7892 return e; | |
| 7893 } | |
| 7894 | |
| 7895 /* If it is an assignment from a 'foreign' type, | |
| 7896 * check for operator overloading. | |
| 7897 */ | |
| 7898 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7899 { | |
| 7900 if (!e2->type->implicitConvTo(e1->type)) | |
| 7901 { | |
| 7902 Expression *e = op_overload(sc); | |
| 7903 if (e) | |
| 7904 return e; | |
| 7905 } | |
| 7906 } | |
| 7907 | |
| 7908 e2->rvalue(); | |
| 7909 | |
| 7910 if (e1->op == TOKarraylength) | |
| 7911 { | |
| 7912 // e1 is not an lvalue, but we let code generator handle it | |
| 7913 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7914 | |
| 7915 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7916 } | |
| 7917 else if (e1->op == TOKslice) | |
| 7918 ; | |
| 7919 else | |
| 7920 { // Try to do a decent error message with the expression | |
| 7921 // before it got constant folded | |
| 7922 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7923 } | |
| 7924 | |
| 7925 if (e1->op == TOKslice && | |
| 7926 t1->nextOf() && | |
| 7927 e2->implicitConvTo(t1->nextOf()) | |
| 7928 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7929 ) | |
| 7930 { // memset | |
| 7931 ismemset = 1; // make it easy for back end to tell what this is | |
| 7932 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7933 } | |
| 7934 else if (t1->ty == Tsarray) | |
| 7935 { | |
| 7936 error("cannot assign to static array %s", e1->toChars()); | |
| 7937 } | |
| 7938 else | |
| 7939 { | |
| 7940 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7941 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7942 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7943 /* 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
|
7944 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7945 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
|
7946 (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
|
7947 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
|
7948 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
|
7949 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
|
7950 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
|
7951 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7952 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
|
7953 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
|
7954 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7955 |
| 159 | 7956 type = e1->type; |
| 7957 assert(type); | |
| 7958 return this; | |
| 7959 } | |
| 7960 | |
| 7961 Expression *AssignExp::checkToBoolean() | |
| 7962 { | |
| 7963 // Things like: | |
| 7964 // if (a = b) ... | |
| 7965 // are usually mistakes. | |
| 7966 | |
| 7967 error("'=' does not give a boolean result"); | |
| 7968 return this; | |
| 7969 } | |
| 7970 | |
| 7971 /************************************************************/ | |
| 7972 | |
| 7973 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7974 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7975 { | |
| 7976 } | |
| 7977 | |
| 7978 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7979 { Expression *e; | |
| 7980 | |
| 7981 if (type) | |
| 7982 return this; | |
| 7983 | |
| 7984 BinExp::semantic(sc); | |
| 7985 e2 = resolveProperties(sc, e2); | |
| 7986 | |
| 7987 e = op_overload(sc); | |
| 7988 if (e) | |
| 7989 return e; | |
| 7990 | |
| 7991 Type *tb1 = e1->type->toBasetype(); | |
| 7992 Type *tb2 = e2->type->toBasetype(); | |
| 7993 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7994 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
|
7995 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7996 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
|
7997 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
|
7998 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
|
7999 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8000 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8001 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8002 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
|
8003 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8004 |
| 159 | 8005 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8006 (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
|
8007 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8008 ) |
| 8009 { | |
| 8010 type = e1->type; | |
| 8011 e = this; | |
| 8012 } | |
| 8013 else | |
| 8014 { | |
| 8015 e1->checkScalar(); | |
| 8016 e1->checkNoBool(); | |
| 8017 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8018 e = scaleFactor(sc); | |
| 8019 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8020 { | |
| 8021 #if 0 | |
| 8022 // Need to rethink this | |
| 8023 if (e1->op != TOKvar) | |
| 8024 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8025 VarDeclaration *v; | |
| 8026 Expression *ea; | |
| 8027 Expression *ex; | |
| 8028 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8029 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8030 |
| 8031 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8032 v->semantic(sc); | |
| 8033 if (!sc->insert(v)) | |
| 8034 assert(0); | |
| 8035 v->parent = sc->func; | |
| 8036 | |
| 8037 ea = new AddrExp(loc, e1); | |
| 8038 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8039 | |
| 8040 ex = new VarExp(loc, v); | |
| 8041 ex = new PtrExp(loc, ex); | |
| 8042 e = new AddExp(loc, ex, e2); | |
| 8043 e = new CastExp(loc, e, e1->type); | |
| 8044 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8045 | |
| 8046 e = new CommaExp(loc, ea, e); | |
| 8047 } | |
| 8048 else | |
| 8049 #endif | |
| 8050 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8051 // BUG: doesn't account for side effects in e1 | |
| 8052 // BUG: other assignment operators for bits aren't handled at all | |
| 8053 e = new AddExp(loc, e1, e2); | |
| 8054 e = new CastExp(loc, e, e1->type); | |
| 8055 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8056 } | |
| 8057 e = e->semantic(sc); | |
| 8058 } | |
| 8059 else | |
| 8060 { | |
| 8061 type = e1->type; | |
| 8062 typeCombine(sc); | |
| 8063 e1->checkArithmetic(); | |
| 8064 e2->checkArithmetic(); | |
| 8065 if (type->isreal() || type->isimaginary()) | |
| 8066 { | |
| 8067 assert(global.errors || e2->type->isfloating()); | |
| 8068 e2 = e2->castTo(sc, e1->type); | |
| 8069 } | |
| 8070 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8071 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8072 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
|
8073 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8074 } |
| 8075 } | |
| 8076 return e; | |
| 8077 } | |
| 8078 | |
| 8079 /************************************************************/ | |
| 8080 | |
| 8081 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8082 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8083 { | |
| 8084 } | |
| 8085 | |
| 8086 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8087 { Expression *e; | |
| 8088 | |
| 8089 if (type) | |
| 8090 return this; | |
| 8091 | |
| 8092 BinExp::semantic(sc); | |
| 8093 e2 = resolveProperties(sc, e2); | |
| 8094 | |
| 8095 e = op_overload(sc); | |
| 8096 if (e) | |
| 8097 return e; | |
| 8098 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8099 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
|
8100 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8101 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
|
8102 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
|
8103 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
|
8104 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8105 |
| 159 | 8106 e1 = e1->modifiableLvalue(sc, e1); |
| 8107 e1->checkScalar(); | |
| 8108 e1->checkNoBool(); | |
| 8109 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8110 e = scaleFactor(sc); | |
| 8111 else | |
| 8112 { | |
| 8113 e1 = e1->checkArithmetic(); | |
| 8114 e2 = e2->checkArithmetic(); | |
| 8115 type = e1->type; | |
| 8116 typeCombine(sc); | |
| 8117 if (type->isreal() || type->isimaginary()) | |
| 8118 { | |
| 8119 assert(e2->type->isfloating()); | |
| 8120 e2 = e2->castTo(sc, e1->type); | |
| 8121 } | |
| 8122 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8123 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8124 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
|
8125 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8126 } |
| 8127 return e; | |
| 8128 } | |
| 8129 | |
| 8130 /************************************************************/ | |
| 8131 | |
| 8132 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8133 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8134 { | |
| 8135 } | |
| 8136 | |
| 8137 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8138 { Expression *e; | |
| 8139 | |
| 8140 BinExp::semantic(sc); | |
| 8141 e2 = resolveProperties(sc, e2); | |
| 8142 | |
| 8143 e = op_overload(sc); | |
| 8144 if (e) | |
| 8145 return e; | |
| 8146 | |
| 8147 if (e1->op == TOKslice) | |
| 8148 { SliceExp *se = (SliceExp *)e1; | |
| 8149 | |
| 8150 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8151 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8152 } | |
| 8153 | |
| 8154 e1 = e1->modifiableLvalue(sc, e1); | |
| 8155 | |
| 8156 Type *tb1 = e1->type->toBasetype(); | |
| 8157 Type *tb2 = e2->type->toBasetype(); | |
| 8158 | |
| 8159 e2->rvalue(); | |
| 8160 | |
| 8161 if ((tb1->ty == Tarray) && | |
| 8162 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8163 e2->implicitConvTo(e1->type) | |
| 8164 //e1->type->next->equals(e2->type->next) | |
| 8165 ) | |
| 8166 { // Append array | |
| 8167 e2 = e2->castTo(sc, e1->type); | |
| 8168 type = e1->type; | |
| 8169 e = this; | |
| 8170 } | |
| 8171 else if ((tb1->ty == Tarray) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8172 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8173 ) |
| 8174 { // Append element | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8175 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8176 type = e1->type; |
| 8177 e = this; | |
| 8178 } | |
| 8179 else | |
| 8180 { | |
| 8181 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8182 type = Type::tint32; | |
| 8183 e = this; | |
| 8184 } | |
| 8185 return e; | |
| 8186 } | |
| 8187 | |
| 8188 /************************************************************/ | |
| 8189 | |
| 8190 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8191 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8192 { | |
| 8193 } | |
| 8194 | |
| 8195 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8196 { Expression *e; | |
| 8197 | |
| 8198 BinExp::semantic(sc); | |
| 8199 e2 = resolveProperties(sc, e2); | |
| 8200 | |
| 8201 e = op_overload(sc); | |
| 8202 if (e) | |
| 8203 return e; | |
| 8204 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8205 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
|
8206 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8207 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
|
8208 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
|
8209 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
|
8210 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8211 |
| 159 | 8212 e1 = e1->modifiableLvalue(sc, e1); |
| 8213 e1->checkScalar(); | |
| 8214 e1->checkNoBool(); | |
| 8215 type = e1->type; | |
| 8216 typeCombine(sc); | |
| 8217 e1->checkArithmetic(); | |
| 8218 e2->checkArithmetic(); | |
| 8219 if (e2->type->isfloating()) | |
| 8220 { Type *t1; | |
| 8221 Type *t2; | |
| 8222 | |
| 8223 t1 = e1->type; | |
| 8224 t2 = e2->type; | |
| 8225 if (t1->isreal()) | |
| 8226 { | |
| 8227 if (t2->isimaginary() || t2->iscomplex()) | |
| 8228 { | |
| 8229 e2 = e2->castTo(sc, t1); | |
| 8230 } | |
| 8231 } | |
| 8232 else if (t1->isimaginary()) | |
| 8233 { | |
| 8234 if (t2->isimaginary() || t2->iscomplex()) | |
| 8235 { | |
| 8236 switch (t1->ty) | |
| 8237 { | |
| 8238 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8239 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8240 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8241 default: | |
| 8242 assert(0); | |
| 8243 } | |
| 8244 e2 = e2->castTo(sc, t2); | |
| 8245 } | |
| 8246 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8247 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8248 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
|
8249 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8250 } |
| 8251 return this; | |
| 8252 } | |
| 8253 | |
| 8254 /************************************************************/ | |
| 8255 | |
| 8256 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8257 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8258 { | |
| 8259 } | |
| 8260 | |
| 8261 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8262 { Expression *e; | |
| 8263 | |
| 8264 BinExp::semantic(sc); | |
| 8265 e2 = resolveProperties(sc, e2); | |
| 8266 | |
| 8267 e = op_overload(sc); | |
| 8268 if (e) | |
| 8269 return e; | |
| 8270 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8271 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
|
8272 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8273 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
|
8274 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
|
8275 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
|
8276 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8277 |
| 159 | 8278 e1 = e1->modifiableLvalue(sc, e1); |
| 8279 e1->checkScalar(); | |
| 8280 e1->checkNoBool(); | |
| 8281 type = e1->type; | |
| 8282 typeCombine(sc); | |
| 8283 e1->checkArithmetic(); | |
| 8284 e2->checkArithmetic(); | |
| 8285 if (e2->type->isimaginary()) | |
| 8286 { Type *t1; | |
| 8287 Type *t2; | |
| 8288 | |
| 8289 t1 = e1->type; | |
| 8290 if (t1->isreal()) | |
| 8291 { // x/iv = i(-x/v) | |
| 8292 // Therefore, the result is 0 | |
| 8293 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8294 e2->type = t1; | |
| 8295 e = new AssignExp(loc, e1, e2); | |
| 8296 e->type = t1; | |
| 8297 return e; | |
| 8298 } | |
| 8299 else if (t1->isimaginary()) | |
| 8300 { Expression *e; | |
| 8301 | |
| 8302 switch (t1->ty) | |
| 8303 { | |
| 8304 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8305 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8306 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8307 default: | |
| 8308 assert(0); | |
| 8309 } | |
| 8310 e2 = e2->castTo(sc, t2); | |
| 8311 e = new AssignExp(loc, e1, e2); | |
| 8312 e->type = t1; | |
| 8313 return e; | |
| 8314 } | |
| 8315 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8316 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8317 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
|
8318 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
|
8319 |
| 159 | 8320 return this; |
| 8321 } | |
| 8322 | |
| 8323 /************************************************************/ | |
| 8324 | |
| 8325 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8326 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8327 { | |
| 8328 } | |
| 8329 | |
| 8330 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8331 { | |
| 8332 return commonSemanticAssign(sc); | |
| 8333 } | |
| 8334 | |
| 8335 /************************************************************/ | |
| 8336 | |
| 8337 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8338 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8339 { | |
| 8340 } | |
| 8341 | |
| 8342 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8343 { Expression *e; | |
| 8344 | |
| 8345 //printf("ShlAssignExp::semantic()\n"); | |
| 8346 BinExp::semantic(sc); | |
| 8347 e2 = resolveProperties(sc, e2); | |
| 8348 | |
| 8349 e = op_overload(sc); | |
| 8350 if (e) | |
| 8351 return e; | |
| 8352 | |
| 8353 e1 = e1->modifiableLvalue(sc, e1); | |
| 8354 e1->checkScalar(); | |
| 8355 e1->checkNoBool(); | |
| 8356 type = e1->type; | |
| 8357 typeCombine(sc); | |
| 8358 e1->checkIntegral(); | |
| 8359 e2 = e2->checkIntegral(); | |
| 8360 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8361 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8362 return this; |
| 8363 } | |
| 8364 | |
| 8365 /************************************************************/ | |
| 8366 | |
| 8367 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8368 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8369 { | |
| 8370 } | |
| 8371 | |
| 8372 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8373 { Expression *e; | |
| 8374 | |
| 8375 BinExp::semantic(sc); | |
| 8376 e2 = resolveProperties(sc, e2); | |
| 8377 | |
| 8378 e = op_overload(sc); | |
| 8379 if (e) | |
| 8380 return e; | |
| 8381 | |
| 8382 e1 = e1->modifiableLvalue(sc, e1); | |
| 8383 e1->checkScalar(); | |
| 8384 e1->checkNoBool(); | |
| 8385 type = e1->type; | |
| 8386 typeCombine(sc); | |
| 8387 e1->checkIntegral(); | |
| 8388 e2 = e2->checkIntegral(); | |
| 8389 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8390 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8391 return this; |
| 8392 } | |
| 8393 | |
| 8394 /************************************************************/ | |
| 8395 | |
| 8396 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8397 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8398 { | |
| 8399 } | |
| 8400 | |
| 8401 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8402 { Expression *e; | |
| 8403 | |
| 8404 BinExp::semantic(sc); | |
| 8405 e2 = resolveProperties(sc, e2); | |
| 8406 | |
| 8407 e = op_overload(sc); | |
| 8408 if (e) | |
| 8409 return e; | |
| 8410 | |
| 8411 e1 = e1->modifiableLvalue(sc, e1); | |
| 8412 e1->checkScalar(); | |
| 8413 e1->checkNoBool(); | |
| 8414 type = e1->type; | |
| 8415 typeCombine(sc); | |
| 8416 e1->checkIntegral(); | |
| 8417 e2 = e2->checkIntegral(); | |
| 8418 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8419 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8420 return this; |
| 8421 } | |
| 8422 | |
| 8423 /************************************************************/ | |
| 8424 | |
| 8425 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8426 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8427 { | |
| 8428 } | |
| 8429 | |
| 8430 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8431 { | |
| 8432 return commonSemanticAssignIntegral(sc); | |
| 8433 } | |
| 8434 | |
| 8435 /************************************************************/ | |
| 8436 | |
| 8437 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8438 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8439 { | |
| 8440 } | |
| 8441 | |
| 8442 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8443 { | |
| 8444 return commonSemanticAssignIntegral(sc); | |
| 8445 } | |
| 8446 | |
| 8447 /************************************************************/ | |
| 8448 | |
| 8449 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8450 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8451 { | |
| 8452 } | |
| 8453 | |
| 8454 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8455 { | |
| 8456 return commonSemanticAssignIntegral(sc); | |
| 8457 } | |
| 8458 | |
| 8459 /************************* AddExp *****************************/ | |
| 8460 | |
| 8461 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8462 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8463 { | |
| 8464 } | |
| 8465 | |
| 8466 Expression *AddExp::semantic(Scope *sc) | |
| 8467 { Expression *e; | |
| 8468 | |
| 8469 #if LOGSEMANTIC | |
| 8470 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8471 #endif | |
| 8472 if (!type) | |
| 8473 { | |
| 8474 BinExp::semanticp(sc); | |
| 8475 | |
| 8476 e = op_overload(sc); | |
| 8477 if (e) | |
| 8478 return e; | |
| 8479 | |
| 8480 Type *tb1 = e1->type->toBasetype(); | |
| 8481 Type *tb2 = e2->type->toBasetype(); | |
| 8482 | |
| 8483 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8484 (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
|
8485 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8486 ) |
| 8487 { | |
| 8488 type = e1->type; | |
| 8489 e = this; | |
| 8490 } | |
| 8491 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8492 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8493 e = scaleFactor(sc); | |
| 8494 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8495 { | |
| 8496 incompatibleTypes(); | |
| 8497 type = e1->type; | |
| 8498 e = this; | |
| 8499 } | |
| 8500 else | |
| 8501 { | |
| 8502 typeCombine(sc); | |
| 8503 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8504 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8505 { | |
| 8506 switch (type->toBasetype()->ty) | |
| 8507 { | |
| 8508 case Tfloat32: | |
| 8509 case Timaginary32: | |
| 8510 type = Type::tcomplex32; | |
| 8511 break; | |
| 8512 | |
| 8513 case Tfloat64: | |
| 8514 case Timaginary64: | |
| 8515 type = Type::tcomplex64; | |
| 8516 break; | |
| 8517 | |
| 8518 case Tfloat80: | |
| 8519 case Timaginary80: | |
| 8520 type = Type::tcomplex80; | |
| 8521 break; | |
| 8522 | |
| 8523 default: | |
| 8524 assert(0); | |
| 8525 } | |
| 8526 } | |
| 8527 e = this; | |
| 8528 } | |
| 8529 return e; | |
| 8530 } | |
| 8531 return this; | |
| 8532 } | |
| 8533 | |
| 8534 /************************************************************/ | |
| 8535 | |
| 8536 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8537 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8538 { | |
| 8539 } | |
| 8540 | |
| 8541 Expression *MinExp::semantic(Scope *sc) | |
| 8542 { Expression *e; | |
| 8543 Type *t1; | |
| 8544 Type *t2; | |
| 8545 | |
| 8546 #if LOGSEMANTIC | |
| 8547 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8548 #endif | |
| 8549 if (type) | |
| 8550 return this; | |
| 8551 | |
| 8552 BinExp::semanticp(sc); | |
| 8553 | |
| 8554 e = op_overload(sc); | |
| 8555 if (e) | |
| 8556 return e; | |
| 8557 | |
| 8558 e = this; | |
| 8559 t1 = e1->type->toBasetype(); | |
| 8560 t2 = e2->type->toBasetype(); | |
| 8561 if (t1->ty == Tpointer) | |
| 8562 { | |
| 8563 if (t2->ty == Tpointer) | |
| 8564 { // Need to divide the result by the stride | |
| 8565 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8566 d_int64 stride; | |
| 8567 Expression *e; | |
| 8568 | |
| 8569 typeCombine(sc); // make sure pointer types are compatible | |
| 8570 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
|
8571 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
|
8572 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
|
8573 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8574 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
|
8575 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8576 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8577 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8578 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
|
8579 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
|
8580 } |
| 159 | 8581 return e; |
| 8582 } | |
| 8583 else if (t2->isintegral()) | |
| 8584 e = scaleFactor(sc); | |
| 8585 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
|
8586 { error("incompatible types for minus"); |
| 159 | 8587 return new IntegerExp(0); |
| 8588 } | |
| 8589 } | |
| 8590 else if (t2->ty == Tpointer) | |
| 8591 { | |
| 8592 type = e2->type; | |
| 8593 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8594 return new IntegerExp(0); | |
| 8595 } | |
| 8596 else | |
| 8597 { | |
| 8598 typeCombine(sc); | |
| 8599 t1 = e1->type->toBasetype(); | |
| 8600 t2 = e2->type->toBasetype(); | |
| 8601 if ((t1->isreal() && t2->isimaginary()) || | |
| 8602 (t1->isimaginary() && t2->isreal())) | |
| 8603 { | |
| 8604 switch (type->ty) | |
| 8605 { | |
| 8606 case Tfloat32: | |
| 8607 case Timaginary32: | |
| 8608 type = Type::tcomplex32; | |
| 8609 break; | |
| 8610 | |
| 8611 case Tfloat64: | |
| 8612 case Timaginary64: | |
| 8613 type = Type::tcomplex64; | |
| 8614 break; | |
| 8615 | |
| 8616 case Tfloat80: | |
| 8617 case Timaginary80: | |
| 8618 type = Type::tcomplex80; | |
| 8619 break; | |
| 8620 | |
| 8621 default: | |
| 8622 assert(0); | |
| 8623 } | |
| 8624 } | |
| 8625 } | |
| 8626 return e; | |
| 8627 } | |
| 8628 | |
| 8629 /************************* CatExp *****************************/ | |
| 8630 | |
| 8631 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8632 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8633 { | |
| 8634 } | |
| 8635 | |
| 8636 Expression *CatExp::semantic(Scope *sc) | |
| 8637 { Expression *e; | |
| 8638 | |
| 8639 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8640 if (!type) | |
| 8641 { | |
| 8642 BinExp::semanticp(sc); | |
| 8643 e = op_overload(sc); | |
| 8644 if (e) | |
| 8645 return e; | |
| 8646 | |
| 8647 Type *tb1 = e1->type->toBasetype(); | |
| 8648 Type *tb2 = e2->type->toBasetype(); | |
| 8649 | |
| 8650 | |
| 8651 /* BUG: Should handle things like: | |
| 8652 * char c; | |
| 8653 * c ~ ' ' | |
| 8654 * ' ' ~ c; | |
| 8655 */ | |
| 8656 | |
| 8657 #if 0 | |
| 8658 e1->type->print(); | |
| 8659 e2->type->print(); | |
| 8660 #endif | |
| 8661 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8662 e2->type->equals(tb1->next)) | |
| 8663 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8664 type = tb1->nextOf()->arrayOf(); |
| 159 | 8665 if (tb2->ty == Tarray) |
| 8666 { // Make e2 into [e2] | |
| 8667 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8668 e2->type = type; | |
| 8669 } | |
| 8670 return this; | |
| 8671 } | |
| 8672 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8673 e1->type->equals(tb2->next)) | |
| 8674 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8675 type = tb2->nextOf()->arrayOf(); |
| 159 | 8676 if (tb1->ty == Tarray) |
| 8677 { // Make e1 into [e1] | |
| 8678 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8679 e1->type = type; | |
| 8680 } | |
| 8681 return this; | |
| 8682 } | |
| 8683 | |
| 8684 typeCombine(sc); | |
| 8685 | |
| 8686 if (type->toBasetype()->ty == Tsarray) | |
| 8687 type = type->toBasetype()->next->arrayOf(); | |
| 8688 #if 0 | |
| 8689 e1->type->print(); | |
| 8690 e2->type->print(); | |
| 8691 type->print(); | |
| 8692 print(); | |
| 8693 #endif | |
| 8694 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8695 e = optimize(WANTvalue); | |
| 8696 else if (e1->type->equals(e2->type) && | |
| 8697 (e1->type->toBasetype()->ty == Tarray || | |
| 8698 e1->type->toBasetype()->ty == Tsarray)) | |
| 8699 { | |
| 8700 e = this; | |
| 8701 } | |
| 8702 else | |
| 8703 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8704 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8705 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8706 e1->type->toChars(), e2->type->toChars()); | |
| 8707 type = Type::tint32; | |
| 8708 e = this; | |
| 8709 } | |
| 8710 e->type = e->type->semantic(loc, sc); | |
| 8711 return e; | |
| 8712 } | |
| 8713 return this; | |
| 8714 } | |
| 8715 | |
| 8716 /************************************************************/ | |
| 8717 | |
| 8718 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8719 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8720 { | |
| 8721 } | |
| 8722 | |
| 8723 Expression *MulExp::semantic(Scope *sc) | |
| 8724 { Expression *e; | |
| 8725 | |
| 8726 #if 0 | |
| 8727 printf("MulExp::semantic() %s\n", toChars()); | |
| 8728 #endif | |
| 8729 if (type) | |
| 8730 { | |
| 8731 return this; | |
| 8732 } | |
| 8733 | |
| 8734 BinExp::semanticp(sc); | |
| 8735 e = op_overload(sc); | |
| 8736 if (e) | |
| 8737 return e; | |
| 8738 | |
| 8739 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8740 if (e1->op != TOKslice && e2->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
|
8741 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8742 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8743 } |
| 159 | 8744 if (type->isfloating()) |
| 8745 { Type *t1 = e1->type; | |
| 8746 Type *t2 = e2->type; | |
| 8747 | |
| 8748 if (t1->isreal()) | |
| 8749 { | |
| 8750 type = t2; | |
| 8751 } | |
| 8752 else if (t2->isreal()) | |
| 8753 { | |
| 8754 type = t1; | |
| 8755 } | |
| 8756 else if (t1->isimaginary()) | |
| 8757 { | |
| 8758 if (t2->isimaginary()) | |
| 8759 { Expression *e; | |
| 8760 | |
| 8761 switch (t1->ty) | |
| 8762 { | |
| 8763 case Timaginary32: type = Type::tfloat32; break; | |
| 8764 case Timaginary64: type = Type::tfloat64; break; | |
| 8765 case Timaginary80: type = Type::tfloat80; break; | |
| 8766 default: assert(0); | |
| 8767 } | |
| 8768 | |
| 8769 // iy * iv = -yv | |
| 8770 e1->type = type; | |
| 8771 e2->type = type; | |
| 8772 e = new NegExp(loc, this); | |
| 8773 e = e->semantic(sc); | |
| 8774 return e; | |
| 8775 } | |
| 8776 else | |
| 8777 type = t2; // t2 is complex | |
| 8778 } | |
| 8779 else if (t2->isimaginary()) | |
| 8780 { | |
| 8781 type = t1; // t1 is complex | |
| 8782 } | |
| 8783 } | |
| 8784 return this; | |
| 8785 } | |
| 8786 | |
| 8787 /************************************************************/ | |
| 8788 | |
| 8789 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8790 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8791 { | |
| 8792 } | |
| 8793 | |
| 8794 Expression *DivExp::semantic(Scope *sc) | |
| 8795 { Expression *e; | |
| 8796 | |
| 8797 if (type) | |
| 8798 return this; | |
| 8799 | |
| 8800 BinExp::semanticp(sc); | |
| 8801 e = op_overload(sc); | |
| 8802 if (e) | |
| 8803 return e; | |
| 8804 | |
| 8805 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8806 if (e1->op != TOKslice && e2->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
|
8807 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8808 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8809 } |
| 159 | 8810 if (type->isfloating()) |
| 8811 { Type *t1 = e1->type; | |
| 8812 Type *t2 = e2->type; | |
| 8813 | |
| 8814 if (t1->isreal()) | |
| 8815 { | |
| 8816 type = t2; | |
| 8817 if (t2->isimaginary()) | |
| 8818 { Expression *e; | |
| 8819 | |
| 8820 // x/iv = i(-x/v) | |
| 8821 e2->type = t1; | |
| 8822 e = new NegExp(loc, this); | |
| 8823 e = e->semantic(sc); | |
| 8824 return e; | |
| 8825 } | |
| 8826 } | |
| 8827 else if (t2->isreal()) | |
| 8828 { | |
| 8829 type = t1; | |
| 8830 } | |
| 8831 else if (t1->isimaginary()) | |
| 8832 { | |
| 8833 if (t2->isimaginary()) | |
| 8834 { | |
| 8835 switch (t1->ty) | |
| 8836 { | |
| 8837 case Timaginary32: type = Type::tfloat32; break; | |
| 8838 case Timaginary64: type = Type::tfloat64; break; | |
| 8839 case Timaginary80: type = Type::tfloat80; break; | |
| 8840 default: assert(0); | |
| 8841 } | |
| 8842 } | |
| 8843 else | |
| 8844 type = t2; // t2 is complex | |
| 8845 } | |
| 8846 else if (t2->isimaginary()) | |
| 8847 { | |
| 8848 type = t1; // t1 is complex | |
| 8849 } | |
| 8850 } | |
| 8851 return this; | |
| 8852 } | |
| 8853 | |
| 8854 /************************************************************/ | |
| 8855 | |
| 8856 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8857 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8858 { | |
| 8859 } | |
| 8860 | |
| 8861 Expression *ModExp::semantic(Scope *sc) | |
| 8862 { Expression *e; | |
| 8863 | |
| 8864 if (type) | |
| 8865 return this; | |
| 8866 | |
| 8867 BinExp::semanticp(sc); | |
| 8868 e = op_overload(sc); | |
| 8869 if (e) | |
| 8870 return e; | |
| 8871 | |
| 8872 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8873 if (e1->op != TOKslice && e2->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
|
8874 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8875 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8876 } |
| 159 | 8877 if (type->isfloating()) |
| 8878 { type = e1->type; | |
| 8879 if (e2->type->iscomplex()) | |
| 8880 { error("cannot perform modulo complex arithmetic"); | |
| 8881 return new IntegerExp(0); | |
| 8882 } | |
| 8883 } | |
| 8884 return this; | |
| 8885 } | |
| 8886 | |
| 8887 /************************************************************/ | |
| 8888 | |
| 8889 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8890 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8891 { | |
| 8892 } | |
| 8893 | |
| 8894 Expression *ShlExp::semantic(Scope *sc) | |
| 8895 { Expression *e; | |
| 8896 | |
| 8897 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8898 if (!type) | |
| 8899 { BinExp::semanticp(sc); | |
| 8900 e = op_overload(sc); | |
| 8901 if (e) | |
| 8902 return e; | |
| 8903 e1 = e1->checkIntegral(); | |
| 8904 e2 = e2->checkIntegral(); | |
| 8905 e1 = e1->integralPromotions(sc); | |
| 8906 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8907 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8908 type = e1->type; |
| 8909 } | |
| 8910 return this; | |
| 8911 } | |
| 8912 | |
| 8913 /************************************************************/ | |
| 8914 | |
| 8915 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8916 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8917 { | |
| 8918 } | |
| 8919 | |
| 8920 Expression *ShrExp::semantic(Scope *sc) | |
| 8921 { Expression *e; | |
| 8922 | |
| 8923 if (!type) | |
| 8924 { BinExp::semanticp(sc); | |
| 8925 e = op_overload(sc); | |
| 8926 if (e) | |
| 8927 return e; | |
| 8928 e1 = e1->checkIntegral(); | |
| 8929 e2 = e2->checkIntegral(); | |
| 8930 e1 = e1->integralPromotions(sc); | |
| 8931 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8932 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8933 type = e1->type; |
| 8934 } | |
| 8935 return this; | |
| 8936 } | |
| 8937 | |
| 8938 /************************************************************/ | |
| 8939 | |
| 8940 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8941 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8942 { | |
| 8943 } | |
| 8944 | |
| 8945 Expression *UshrExp::semantic(Scope *sc) | |
| 8946 { Expression *e; | |
| 8947 | |
| 8948 if (!type) | |
| 8949 { BinExp::semanticp(sc); | |
| 8950 e = op_overload(sc); | |
| 8951 if (e) | |
| 8952 return e; | |
| 8953 e1 = e1->checkIntegral(); | |
| 8954 e2 = e2->checkIntegral(); | |
| 8955 e1 = e1->integralPromotions(sc); | |
| 8956 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8957 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8958 type = e1->type; |
| 8959 } | |
| 8960 return this; | |
| 8961 } | |
| 8962 | |
| 8963 /************************************************************/ | |
| 8964 | |
| 8965 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8966 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8967 { | |
| 8968 } | |
| 8969 | |
| 8970 Expression *AndExp::semantic(Scope *sc) | |
| 8971 { Expression *e; | |
| 8972 | |
| 8973 if (!type) | |
| 8974 { BinExp::semanticp(sc); | |
| 8975 e = op_overload(sc); | |
| 8976 if (e) | |
| 8977 return e; | |
| 8978 if (e1->type->toBasetype()->ty == Tbool && | |
| 8979 e2->type->toBasetype()->ty == Tbool) | |
| 8980 { | |
| 8981 type = e1->type; | |
| 8982 e = this; | |
| 8983 } | |
| 8984 else | |
| 8985 { | |
| 8986 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8987 if (e1->op != TOKslice && e2->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
|
8988 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8989 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8990 } |
| 159 | 8991 } |
| 8992 } | |
| 8993 return this; | |
| 8994 } | |
| 8995 | |
| 8996 /************************************************************/ | |
| 8997 | |
| 8998 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8999 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 9000 { | |
| 9001 } | |
| 9002 | |
| 9003 Expression *OrExp::semantic(Scope *sc) | |
| 9004 { Expression *e; | |
| 9005 | |
| 9006 if (!type) | |
| 9007 { BinExp::semanticp(sc); | |
| 9008 e = op_overload(sc); | |
| 9009 if (e) | |
| 9010 return e; | |
| 9011 if (e1->type->toBasetype()->ty == Tbool && | |
| 9012 e2->type->toBasetype()->ty == Tbool) | |
| 9013 { | |
| 9014 type = e1->type; | |
| 9015 e = this; | |
| 9016 } | |
| 9017 else | |
| 9018 { | |
| 9019 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9020 if (e1->op != TOKslice && e2->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
|
9021 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9022 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9023 } |
| 159 | 9024 } |
| 9025 } | |
| 9026 return this; | |
| 9027 } | |
| 9028 | |
| 9029 /************************************************************/ | |
| 9030 | |
| 9031 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9032 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9033 { | |
| 9034 } | |
| 9035 | |
| 9036 Expression *XorExp::semantic(Scope *sc) | |
| 9037 { Expression *e; | |
| 9038 | |
| 9039 if (!type) | |
| 9040 { BinExp::semanticp(sc); | |
| 9041 e = op_overload(sc); | |
| 9042 if (e) | |
| 9043 return e; | |
| 9044 if (e1->type->toBasetype()->ty == Tbool && | |
| 9045 e2->type->toBasetype()->ty == Tbool) | |
| 9046 { | |
| 9047 type = e1->type; | |
| 9048 e = this; | |
| 9049 } | |
| 9050 else | |
| 9051 { | |
| 9052 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9053 if (e1->op != TOKslice && e2->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
|
9054 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9055 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9056 } |
| 159 | 9057 } |
| 9058 } | |
| 9059 return this; | |
| 9060 } | |
| 9061 | |
| 9062 | |
| 9063 /************************************************************/ | |
| 9064 | |
| 9065 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9066 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9067 { | |
| 9068 } | |
| 9069 | |
| 9070 Expression *OrOrExp::semantic(Scope *sc) | |
| 9071 { | |
| 9072 unsigned cs1; | |
| 9073 | |
| 9074 // same as for AndAnd | |
| 9075 e1 = e1->semantic(sc); | |
| 9076 e1 = resolveProperties(sc, e1); | |
| 9077 e1 = e1->checkToPointer(); | |
| 9078 e1 = e1->checkToBoolean(); | |
| 9079 cs1 = sc->callSuper; | |
| 9080 | |
| 9081 if (sc->flags & SCOPEstaticif) | |
| 9082 { | |
| 9083 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9084 */ | |
| 9085 e1 = e1->optimize(WANTflags); | |
| 9086 if (e1->isBool(TRUE)) | |
| 9087 { | |
| 9088 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9089 } | |
| 9090 } | |
| 9091 | |
| 9092 e2 = e2->semantic(sc); | |
| 9093 sc->mergeCallSuper(loc, cs1); | |
| 9094 e2 = resolveProperties(sc, e2); | |
| 9095 e2 = e2->checkToPointer(); | |
| 9096 | |
| 9097 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
|
9098 if (e2->type->ty == Tvoid) |
| 159 | 9099 type = Type::tvoid; |
| 9100 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9101 error("%s is not an expression", e2->toChars()); | |
| 9102 return this; | |
| 9103 } | |
| 9104 | |
| 9105 Expression *OrOrExp::checkToBoolean() | |
| 9106 { | |
| 9107 e2 = e2->checkToBoolean(); | |
| 9108 return this; | |
| 9109 } | |
| 9110 | |
| 9111 int OrOrExp::isBit() | |
| 9112 { | |
| 9113 return TRUE; | |
| 9114 } | |
| 9115 | |
| 9116 int OrOrExp::checkSideEffect(int flag) | |
| 9117 { | |
| 9118 if (flag == 2) | |
| 9119 { | |
| 9120 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9121 } | |
| 9122 else | |
| 9123 { e1->checkSideEffect(1); | |
| 9124 return e2->checkSideEffect(flag); | |
| 9125 } | |
| 9126 } | |
| 9127 | |
| 9128 /************************************************************/ | |
| 9129 | |
| 9130 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9131 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9132 { | |
| 9133 } | |
| 9134 | |
| 9135 Expression *AndAndExp::semantic(Scope *sc) | |
| 9136 { | |
| 9137 unsigned cs1; | |
| 9138 | |
| 9139 // same as for OrOr | |
| 9140 e1 = e1->semantic(sc); | |
| 9141 e1 = resolveProperties(sc, e1); | |
| 9142 e1 = e1->checkToPointer(); | |
| 9143 e1 = e1->checkToBoolean(); | |
| 9144 cs1 = sc->callSuper; | |
| 9145 | |
| 9146 if (sc->flags & SCOPEstaticif) | |
| 9147 { | |
| 9148 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9149 */ | |
| 9150 e1 = e1->optimize(WANTflags); | |
| 9151 if (e1->isBool(FALSE)) | |
| 9152 { | |
| 9153 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9154 } | |
| 9155 } | |
| 9156 | |
| 9157 e2 = e2->semantic(sc); | |
| 9158 sc->mergeCallSuper(loc, cs1); | |
| 9159 e2 = resolveProperties(sc, e2); | |
| 9160 e2 = e2->checkToPointer(); | |
| 9161 | |
| 9162 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
|
9163 if (e2->type->ty == Tvoid) |
| 159 | 9164 type = Type::tvoid; |
| 9165 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9166 error("%s is not an expression", e2->toChars()); | |
| 9167 return this; | |
| 9168 } | |
| 9169 | |
| 9170 Expression *AndAndExp::checkToBoolean() | |
| 9171 { | |
| 9172 e2 = e2->checkToBoolean(); | |
| 9173 return this; | |
| 9174 } | |
| 9175 | |
| 9176 int AndAndExp::isBit() | |
| 9177 { | |
| 9178 return TRUE; | |
| 9179 } | |
| 9180 | |
| 9181 int AndAndExp::checkSideEffect(int flag) | |
| 9182 { | |
| 9183 if (flag == 2) | |
| 9184 { | |
| 9185 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9186 } | |
| 9187 else | |
| 9188 { | |
| 9189 e1->checkSideEffect(1); | |
| 9190 return e2->checkSideEffect(flag); | |
| 9191 } | |
| 9192 } | |
| 9193 | |
| 9194 /************************************************************/ | |
| 9195 | |
| 9196 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9197 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9198 { | |
| 9199 } | |
| 9200 | |
| 9201 Expression *InExp::semantic(Scope *sc) | |
| 9202 { Expression *e; | |
| 9203 | |
| 9204 if (type) | |
| 9205 return this; | |
| 9206 | |
| 9207 BinExp::semanticp(sc); | |
| 9208 e = op_overload(sc); | |
| 9209 if (e) | |
| 9210 return e; | |
| 9211 | |
| 9212 //type = Type::tboolean; | |
| 9213 Type *t2b = e2->type->toBasetype(); | |
| 9214 if (t2b->ty != Taarray) | |
| 9215 { | |
| 9216 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9217 type = Type::terror; | |
| 9218 } | |
| 9219 else | |
| 9220 { | |
| 9221 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9222 | |
| 9223 // Convert key to type of key | |
| 9224 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9225 | |
| 9226 // Return type is pointer to value | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9227 type = ta->nextOf()->pointerTo(); |
| 159 | 9228 } |
| 9229 return this; | |
| 9230 } | |
| 9231 | |
| 9232 int InExp::isBit() | |
| 9233 { | |
| 9234 return FALSE; | |
| 9235 } | |
| 9236 | |
| 9237 | |
| 9238 /************************************************************/ | |
| 9239 | |
| 9240 /* This deletes the key e1 from the associative array e2 | |
| 9241 */ | |
| 9242 | |
| 9243 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9244 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9245 { | |
| 9246 type = Type::tvoid; | |
| 9247 } | |
| 9248 | |
| 9249 /************************************************************/ | |
| 9250 | |
| 9251 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9252 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9253 { | |
| 9254 } | |
| 9255 | |
| 9256 Expression *CmpExp::semantic(Scope *sc) | |
| 9257 { Expression *e; | |
| 9258 Type *t1; | |
| 9259 Type *t2; | |
| 9260 | |
| 9261 #if LOGSEMANTIC | |
| 9262 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9263 #endif | |
| 9264 if (type) | |
| 9265 return this; | |
| 9266 | |
| 9267 BinExp::semanticp(sc); | |
| 9268 | |
| 9269 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9270 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9271 { | |
| 9272 error("do not use null when comparing class types"); | |
| 9273 } | |
| 9274 | |
| 9275 e = op_overload(sc); | |
| 9276 if (e) | |
| 9277 { | |
| 9278 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9279 e = e->semantic(sc); | |
| 9280 return e; | |
| 9281 } | |
| 9282 | |
| 9283 typeCombine(sc); | |
| 9284 type = Type::tboolean; | |
| 9285 | |
| 9286 // Special handling for array comparisons | |
| 9287 t1 = e1->type->toBasetype(); | |
| 9288 t2 = e2->type->toBasetype(); | |
| 9289 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9290 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9291 { | |
| 9292 if (!t1->next->equals(t2->next)) | |
| 9293 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9294 e = this; | |
| 9295 } | |
| 9296 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9297 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9298 { | |
| 9299 if (t2->ty == Tstruct) | |
| 9300 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9301 else | |
| 9302 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9303 e = this; | |
| 9304 } | |
| 9305 #if 1 | |
| 9306 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9307 { | |
| 9308 error("compare not defined for complex operands"); | |
| 9309 e = new IntegerExp(0); | |
| 9310 } | |
| 9311 #endif | |
| 9312 else | |
| 9313 e = this; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9314 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9315 return e; |
| 9316 } | |
| 9317 | |
| 9318 int CmpExp::isBit() | |
| 9319 { | |
| 9320 return TRUE; | |
| 9321 } | |
| 9322 | |
| 9323 | |
| 9324 /************************************************************/ | |
| 9325 | |
| 9326 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9327 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9328 { | |
| 9329 assert(op == TOKequal || op == TOKnotequal); | |
| 9330 } | |
| 9331 | |
| 9332 Expression *EqualExp::semantic(Scope *sc) | |
| 9333 { Expression *e; | |
| 9334 Type *t1; | |
| 9335 Type *t2; | |
| 9336 | |
| 9337 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9338 if (type) | |
| 9339 return this; | |
| 9340 | |
| 9341 BinExp::semanticp(sc); | |
| 9342 | |
| 9343 /* Before checking for operator overloading, check to see if we're | |
| 9344 * comparing the addresses of two statics. If so, we can just see | |
| 9345 * if they are the same symbol. | |
| 9346 */ | |
| 9347 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9348 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9349 AddrExp *ae2 = (AddrExp *)e2; | |
| 9350 | |
| 9351 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9352 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9353 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9354 | |
| 9355 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9356 { | |
| 9357 // They are the same, result is 'true' for ==, 'false' for != | |
| 9358 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9359 return e; | |
| 9360 } | |
| 9361 } | |
| 9362 } | |
| 9363 | |
| 9364 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9365 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9366 { | |
| 9367 error("use '%s' instead of '%s' when comparing with null", | |
| 9368 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9369 Token::toChars(op)); | |
| 9370 } | |
| 9371 | |
| 9372 //if (e2->op != TOKnull) | |
| 9373 { | |
| 9374 e = op_overload(sc); | |
| 9375 if (e) | |
| 9376 { | |
| 9377 if (op == TOKnotequal) | |
| 9378 { | |
| 9379 e = new NotExp(e->loc, e); | |
| 9380 e = e->semantic(sc); | |
| 9381 } | |
| 9382 return e; | |
| 9383 } | |
| 9384 } | |
| 9385 | |
| 9386 e = typeCombine(sc); | |
| 9387 type = Type::tboolean; | |
| 9388 | |
| 9389 // Special handling for array comparisons | |
| 9390 t1 = e1->type->toBasetype(); | |
| 9391 t2 = e2->type->toBasetype(); | |
| 9392 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9393 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9394 { | |
| 9395 if (!t1->next->equals(t2->next)) | |
| 9396 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9397 } | |
| 9398 else | |
| 9399 { | |
| 9400 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9401 { | |
| 9402 // Cast both to complex | |
| 9403 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9404 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9405 } | |
| 9406 } | |
| 9407 return e; | |
| 9408 } | |
| 9409 | |
| 9410 int EqualExp::isBit() | |
| 9411 { | |
| 9412 return TRUE; | |
| 9413 } | |
| 9414 | |
| 9415 | |
| 9416 | |
| 9417 /************************************************************/ | |
| 9418 | |
| 9419 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9420 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9421 { | |
| 9422 } | |
| 9423 | |
| 9424 Expression *IdentityExp::semantic(Scope *sc) | |
| 9425 { | |
| 9426 if (type) | |
| 9427 return this; | |
| 9428 | |
| 9429 BinExp::semanticp(sc); | |
| 9430 type = Type::tboolean; | |
| 9431 typeCombine(sc); | |
| 9432 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9433 { | |
| 9434 // Cast both to complex | |
| 9435 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9436 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9437 } | |
| 9438 return this; | |
| 9439 } | |
| 9440 | |
| 9441 int IdentityExp::isBit() | |
| 9442 { | |
| 9443 return TRUE; | |
| 9444 } | |
| 9445 | |
| 9446 | |
| 9447 /****************************************************************/ | |
| 9448 | |
| 9449 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9450 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9451 { | |
| 9452 this->econd = econd; | |
| 9453 } | |
| 9454 | |
| 9455 Expression *CondExp::syntaxCopy() | |
| 9456 { | |
| 9457 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9458 } | |
| 9459 | |
| 9460 | |
| 9461 Expression *CondExp::semantic(Scope *sc) | |
| 9462 { Type *t1; | |
| 9463 Type *t2; | |
| 9464 unsigned cs0; | |
| 9465 unsigned cs1; | |
| 9466 | |
| 9467 #if LOGSEMANTIC | |
| 9468 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9469 #endif | |
| 9470 if (type) | |
| 9471 return this; | |
| 9472 | |
| 9473 econd = econd->semantic(sc); | |
| 9474 econd = resolveProperties(sc, econd); | |
| 9475 econd = econd->checkToPointer(); | |
| 9476 econd = econd->checkToBoolean(); | |
| 9477 | |
| 9478 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9479 * both contribute to the type of the result. | |
| 9480 */ | |
| 9481 if (sc->flags & SCOPEstaticif) | |
| 9482 { | |
| 9483 /* If in static if, don't evaluate what we don't have to. | |
| 9484 */ | |
| 9485 econd = econd->optimize(WANTflags); | |
| 9486 if (econd->isBool(TRUE)) | |
| 9487 { | |
| 9488 e1 = e1->semantic(sc); | |
| 9489 e1 = resolveProperties(sc, e1); | |
| 9490 return e1; | |
| 9491 } | |
| 9492 else if (econd->isBool(FALSE)) | |
| 9493 { | |
| 9494 e2 = e2->semantic(sc); | |
| 9495 e2 = resolveProperties(sc, e2); | |
| 9496 return e2; | |
| 9497 } | |
| 9498 } | |
| 9499 #endif | |
| 9500 | |
| 9501 | |
| 9502 cs0 = sc->callSuper; | |
| 9503 e1 = e1->semantic(sc); | |
| 9504 e1 = resolveProperties(sc, e1); | |
| 9505 cs1 = sc->callSuper; | |
| 9506 sc->callSuper = cs0; | |
| 9507 e2 = e2->semantic(sc); | |
| 9508 e2 = resolveProperties(sc, e2); | |
| 9509 sc->mergeCallSuper(loc, cs1); | |
| 9510 | |
| 9511 | |
| 9512 // If either operand is void, the result is void | |
| 9513 t1 = e1->type; | |
| 9514 t2 = e2->type; | |
| 9515 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9516 type = Type::tvoid; | |
| 9517 else if (t1 == t2) | |
| 9518 type = t1; | |
| 9519 else | |
| 9520 { | |
| 9521 typeCombine(sc); | |
| 9522 switch (e1->type->toBasetype()->ty) | |
| 9523 { | |
| 9524 case Tcomplex32: | |
| 9525 case Tcomplex64: | |
| 9526 case Tcomplex80: | |
| 9527 e2 = e2->castTo(sc, e1->type); | |
| 9528 break; | |
| 9529 } | |
| 9530 switch (e2->type->toBasetype()->ty) | |
| 9531 { | |
| 9532 case Tcomplex32: | |
| 9533 case Tcomplex64: | |
| 9534 case Tcomplex80: | |
| 9535 e1 = e1->castTo(sc, e2->type); | |
| 9536 break; | |
| 9537 } | |
| 9538 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9539 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9540 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9541 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9542 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9543 #endif |
| 159 | 9544 return this; |
| 9545 } | |
| 9546 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9547 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9548 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9549 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9550 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9551 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9552 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9553 |
| 159 | 9554 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9555 { | |
| 9556 PtrExp *e; | |
| 9557 | |
| 9558 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9559 e = new PtrExp(loc, this, type); | |
| 9560 | |
| 9561 e1 = e1->addressOf(sc); | |
| 9562 //e1 = e1->toLvalue(sc, NULL); | |
| 9563 | |
| 9564 e2 = e2->addressOf(sc); | |
| 9565 //e2 = e2->toLvalue(sc, NULL); | |
| 9566 | |
| 9567 typeCombine(sc); | |
| 9568 | |
| 9569 type = e2->type; | |
| 9570 return e; | |
| 9571 } | |
| 9572 | |
| 9573 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9574 { | |
| 9575 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9576 return this; | |
| 9577 } | |
| 9578 | |
| 9579 void CondExp::checkEscape() | |
| 9580 { | |
| 9581 e1->checkEscape(); | |
| 9582 e2->checkEscape(); | |
| 9583 } | |
| 9584 | |
| 9585 | |
| 9586 Expression *CondExp::checkToBoolean() | |
| 9587 { | |
| 9588 e1 = e1->checkToBoolean(); | |
| 9589 e2 = e2->checkToBoolean(); | |
| 9590 return this; | |
| 9591 } | |
| 9592 | |
| 9593 int CondExp::checkSideEffect(int flag) | |
| 9594 { | |
| 9595 if (flag == 2) | |
| 9596 { | |
| 9597 return econd->checkSideEffect(2) || | |
| 9598 e1->checkSideEffect(2) || | |
| 9599 e2->checkSideEffect(2); | |
| 9600 } | |
| 9601 else | |
| 9602 { | |
| 9603 econd->checkSideEffect(1); | |
| 9604 e1->checkSideEffect(flag); | |
| 9605 return e2->checkSideEffect(flag); | |
| 9606 } | |
| 9607 } | |
| 9608 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9609 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9610 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9611 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9612 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9613 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9614 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9615 |
| 159 | 9616 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9617 { | |
| 9618 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9619 buf->writestring(" ? "); | |
| 9620 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9621 buf->writestring(" : "); | |
| 9622 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9623 } | |
| 9624 | |
|
599
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
|
9625 /************************************************************/ |
|
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
|
9626 |
|
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
|
9627 #if IN_LLVM |
|
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
|
9628 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9629 // Strictly LDC specific stuff |
|
599
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
|
9630 |
|
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
|
9631 GEPExp::GEPExp(Loc loc, Expression* e, Identifier* id, unsigned 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
|
9632 : 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
|
9633 { |
|
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
|
9634 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
|
9635 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
|
9636 } |
|
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
|
9637 |
|
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
|
9638 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
|
9639 { |
|
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
|
9640 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
|
9641 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
diff
changeset
|
9642 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
|
9643 } |
|
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
|
9644 |
|
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
|
9645 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
|
9646 { |
|
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
|
9647 // 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
|
9648 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
|
9649 } |
|
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
|
9650 |
|
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
|
9651 #endif |