Mercurial > projects > ldc
annotate dmd/expression.c @ 1195:e961851fb8be
Merged DMD 1.042.
| author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
|---|---|
| date | Fri, 03 Apr 2009 17:59:34 +0200 |
| parents | ab186e535e72 |
| children | 79758fd2f48a |
| 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 | |
| 58 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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59 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 60 |
| 61 #define LOGSEMANTIC 0 | |
| 62 | |
| 63 /********************************** | |
| 64 * Set operator precedence for each operator. | |
| 65 */ | |
| 66 | |
| 67 // Operator precedence - greater values are higher precedence | |
| 68 | |
| 69 enum PREC | |
| 70 { | |
| 71 PREC_zero, | |
| 72 PREC_expr, | |
| 73 PREC_assign, | |
| 74 PREC_cond, | |
| 75 PREC_oror, | |
| 76 PREC_andand, | |
| 77 PREC_or, | |
| 78 PREC_xor, | |
| 79 PREC_and, | |
| 80 PREC_equal, | |
| 81 PREC_rel, | |
| 82 PREC_shift, | |
| 83 PREC_add, | |
| 84 PREC_mul, | |
| 85 PREC_unary, | |
| 86 PREC_primary, | |
| 87 }; | |
| 88 | |
| 89 enum PREC precedence[TOKMAX]; | |
| 90 | |
| 91 void initPrecedence() | |
| 92 { | |
| 93 precedence[TOKdotvar] = PREC_primary; | |
| 94 precedence[TOKimport] = PREC_primary; | |
| 95 precedence[TOKidentifier] = PREC_primary; | |
| 96 precedence[TOKthis] = PREC_primary; | |
| 97 precedence[TOKsuper] = PREC_primary; | |
| 98 precedence[TOKint64] = PREC_primary; | |
| 99 precedence[TOKfloat64] = PREC_primary; | |
| 100 precedence[TOKnull] = PREC_primary; | |
| 101 precedence[TOKstring] = PREC_primary; | |
| 102 precedence[TOKarrayliteral] = PREC_primary; | |
| 103 precedence[TOKtypedot] = PREC_primary; | |
| 104 precedence[TOKtypeid] = PREC_primary; | |
| 105 precedence[TOKis] = PREC_primary; | |
| 106 precedence[TOKassert] = PREC_primary; | |
| 107 precedence[TOKfunction] = PREC_primary; | |
| 108 precedence[TOKvar] = PREC_primary; | |
| 336 | 109 #if DMDV2 |
| 110 precedence[TOKdefault] = PREC_primary; | |
| 111 #endif | |
| 159 | 112 |
| 113 // post | |
| 114 precedence[TOKdotti] = PREC_primary; | |
| 115 precedence[TOKdot] = PREC_primary; | |
| 116 // precedence[TOKarrow] = PREC_primary; | |
| 117 precedence[TOKplusplus] = PREC_primary; | |
| 118 precedence[TOKminusminus] = PREC_primary; | |
| 119 precedence[TOKcall] = PREC_primary; | |
| 120 precedence[TOKslice] = PREC_primary; | |
| 121 precedence[TOKarray] = PREC_primary; | |
| 122 | |
| 123 precedence[TOKaddress] = PREC_unary; | |
| 124 precedence[TOKstar] = PREC_unary; | |
| 125 precedence[TOKneg] = PREC_unary; | |
| 126 precedence[TOKuadd] = PREC_unary; | |
| 127 precedence[TOKnot] = PREC_unary; | |
| 128 precedence[TOKtobool] = PREC_add; | |
| 129 precedence[TOKtilde] = PREC_unary; | |
| 130 precedence[TOKdelete] = PREC_unary; | |
| 131 precedence[TOKnew] = PREC_unary; | |
| 132 precedence[TOKcast] = PREC_unary; | |
| 133 | |
| 134 precedence[TOKmul] = PREC_mul; | |
| 135 precedence[TOKdiv] = PREC_mul; | |
| 136 precedence[TOKmod] = PREC_mul; | |
| 137 | |
| 138 precedence[TOKadd] = PREC_add; | |
| 139 precedence[TOKmin] = PREC_add; | |
| 140 precedence[TOKcat] = PREC_add; | |
| 141 | |
| 142 precedence[TOKshl] = PREC_shift; | |
| 143 precedence[TOKshr] = PREC_shift; | |
| 144 precedence[TOKushr] = PREC_shift; | |
| 145 | |
| 146 precedence[TOKlt] = PREC_rel; | |
| 147 precedence[TOKle] = PREC_rel; | |
| 148 precedence[TOKgt] = PREC_rel; | |
| 149 precedence[TOKge] = PREC_rel; | |
| 150 precedence[TOKunord] = PREC_rel; | |
| 151 precedence[TOKlg] = PREC_rel; | |
| 152 precedence[TOKleg] = PREC_rel; | |
| 153 precedence[TOKule] = PREC_rel; | |
| 154 precedence[TOKul] = PREC_rel; | |
| 155 precedence[TOKuge] = PREC_rel; | |
| 156 precedence[TOKug] = PREC_rel; | |
| 157 precedence[TOKue] = PREC_rel; | |
| 158 precedence[TOKin] = PREC_rel; | |
| 159 | |
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160 #if 0 |
| 159 | 161 precedence[TOKequal] = PREC_equal; |
| 162 precedence[TOKnotequal] = PREC_equal; | |
| 163 precedence[TOKidentity] = PREC_equal; | |
| 164 precedence[TOKnotidentity] = PREC_equal; | |
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165 #else |
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166 /* Note that we changed precedence, so that < and != have the same |
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167 * precedence. This change is in the parser, too. |
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168 */ |
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169 precedence[TOKequal] = PREC_rel; |
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170 precedence[TOKnotequal] = PREC_rel; |
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171 precedence[TOKidentity] = PREC_rel; |
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172 precedence[TOKnotidentity] = PREC_rel; |
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173 #endif |
| 159 | 174 |
| 175 precedence[TOKand] = PREC_and; | |
| 176 | |
| 177 precedence[TOKxor] = PREC_xor; | |
| 178 | |
| 179 precedence[TOKor] = PREC_or; | |
| 180 | |
| 181 precedence[TOKandand] = PREC_andand; | |
| 182 | |
| 183 precedence[TOKoror] = PREC_oror; | |
| 184 | |
| 185 precedence[TOKquestion] = PREC_cond; | |
| 186 | |
| 187 precedence[TOKassign] = PREC_assign; | |
| 188 precedence[TOKconstruct] = PREC_assign; | |
| 189 precedence[TOKblit] = PREC_assign; | |
| 190 precedence[TOKaddass] = PREC_assign; | |
| 191 precedence[TOKminass] = PREC_assign; | |
| 192 precedence[TOKcatass] = PREC_assign; | |
| 193 precedence[TOKmulass] = PREC_assign; | |
| 194 precedence[TOKdivass] = PREC_assign; | |
| 195 precedence[TOKmodass] = PREC_assign; | |
| 196 precedence[TOKshlass] = PREC_assign; | |
| 197 precedence[TOKshrass] = PREC_assign; | |
| 198 precedence[TOKushrass] = PREC_assign; | |
| 199 precedence[TOKandass] = PREC_assign; | |
| 200 precedence[TOKorass] = PREC_assign; | |
| 201 precedence[TOKxorass] = PREC_assign; | |
| 202 | |
| 203 precedence[TOKcomma] = PREC_expr; | |
| 204 } | |
| 205 | |
| 336 | 206 /************************************************************* |
| 207 * Given var, we need to get the | |
| 208 * right 'this' pointer if var is in an outer class, but our | |
| 209 * existing 'this' pointer is in an inner class. | |
| 210 * Input: | |
| 211 * e1 existing 'this' | |
| 212 * ad struct or class we need the correct 'this' for | |
| 213 * var the specific member of ad we're accessing | |
| 214 */ | |
| 215 | |
| 216 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 217 Expression *e1, Declaration *var) | |
| 218 { | |
| 219 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 220 L1: | |
| 221 Type *t = e1->type->toBasetype(); | |
| 222 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 223 | |
| 224 /* If e1 is not the 'this' pointer for ad | |
| 225 */ | |
| 226 if (ad && | |
| 227 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 228 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 229 && | |
| 230 !(t->ty == Tstruct && | |
| 231 ((TypeStruct *)t)->sym == ad) | |
| 232 ) | |
| 233 { | |
| 234 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 235 ClassDeclaration *tcd = t->isClassHandle(); | |
| 236 | |
| 237 /* e1 is the right this if ad is a base class of e1 | |
| 238 */ | |
| 239 if (!cd || !tcd || | |
| 240 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 241 ) | |
| 242 { | |
| 243 /* Only classes can be inner classes with an 'outer' | |
| 244 * member pointing to the enclosing class instance | |
| 245 */ | |
| 246 if (tcd && tcd->isNested()) | |
| 247 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 248 * Rewrite it as the 'this' pointer for the outer class. | |
| 249 */ | |
| 250 | |
| 251 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 252 e1->type = tcd->vthis->type; | |
| 253 // Do not call checkNestedRef() | |
| 254 //e1 = e1->semantic(sc); | |
| 255 | |
| 256 // Skip up over nested functions, and get the enclosing | |
| 257 // class type. | |
| 258 int n = 0; | |
| 259 Dsymbol *s; | |
| 260 for (s = tcd->toParent(); | |
| 261 s && s->isFuncDeclaration(); | |
| 262 s = s->toParent()) | |
| 263 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 264 if (f->vthis) | |
| 265 { | |
| 266 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 267 n++; | |
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268 |
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269 // LDC seems dmd misses it sometimes here :/ |
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270 f->vthis->nestedref = 1; |
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271 |
| 336 | 272 e1 = new VarExp(loc, f->vthis); |
| 273 } | |
| 274 } | |
| 275 if (s && s->isClassDeclaration()) | |
| 276 { e1->type = s->isClassDeclaration()->type; | |
| 277 if (n > 1) | |
| 278 e1 = e1->semantic(sc); | |
| 279 } | |
| 280 else | |
| 281 e1 = e1->semantic(sc); | |
| 282 goto L1; | |
| 283 } | |
| 284 /* Can't find a path from e1 to ad | |
| 285 */ | |
| 286 e1->error("this for %s needs to be type %s not type %s", | |
| 287 var->toChars(), ad->toChars(), t->toChars()); | |
| 288 } | |
| 289 } | |
| 290 return e1; | |
| 291 } | |
| 292 | |
| 159 | 293 /***************************************** |
| 294 * Determine if 'this' is available. | |
| 295 * If it is, return the FuncDeclaration that has it. | |
| 296 */ | |
| 297 | |
| 298 FuncDeclaration *hasThis(Scope *sc) | |
| 299 { FuncDeclaration *fd; | |
| 300 FuncDeclaration *fdthis; | |
| 301 | |
| 302 //printf("hasThis()\n"); | |
| 303 fdthis = sc->parent->isFuncDeclaration(); | |
| 304 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 305 | |
| 306 // Go upwards until we find the enclosing member function | |
| 307 fd = fdthis; | |
| 308 while (1) | |
| 309 { | |
| 310 if (!fd) | |
| 311 { | |
| 312 goto Lno; | |
| 313 } | |
| 314 if (!fd->isNested()) | |
| 315 break; | |
| 316 | |
| 317 Dsymbol *parent = fd->parent; | |
| 318 while (parent) | |
| 319 { | |
| 320 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 321 if (ti) | |
| 322 parent = ti->parent; | |
| 323 else | |
| 324 break; | |
| 325 } | |
| 326 | |
| 327 fd = fd->parent->isFuncDeclaration(); | |
| 328 } | |
| 329 | |
| 330 if (!fd->isThis()) | |
| 331 { //printf("test '%s'\n", fd->toChars()); | |
| 332 goto Lno; | |
| 333 } | |
| 334 | |
| 335 assert(fd->vthis); | |
| 336 return fd; | |
| 337 | |
| 338 Lno: | |
| 339 return NULL; // don't have 'this' available | |
| 340 } | |
| 341 | |
| 342 | |
| 343 /*************************************** | |
| 344 * Pull out any properties. | |
| 345 */ | |
| 346 | |
| 347 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 348 { | |
| 349 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 350 if (e->type) | |
| 351 { | |
| 352 Type *t = e->type->toBasetype(); | |
| 353 | |
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354 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 355 { |
| 356 e = new CallExp(e->loc, e); | |
| 357 e = e->semantic(sc); | |
| 358 } | |
| 359 | |
| 360 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 361 */ | |
| 362 else if (e->op == TOKvar) | |
| 363 { VarExp *ve = (VarExp *)e; | |
| 364 | |
| 365 if (ve->var->storage_class & STClazy) | |
| 366 { | |
| 367 e = new CallExp(e->loc, e); | |
| 368 e = e->semantic(sc); | |
| 369 } | |
| 370 } | |
| 371 | |
| 372 else if (e->op == TOKdotexp) | |
| 373 { | |
| 374 e->error("expression has no value"); | |
| 375 } | |
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376 |
| 159 | 377 } |
| 378 return e; | |
| 379 } | |
| 380 | |
| 381 /****************************** | |
| 382 * Perform semantic() on an array of Expressions. | |
| 383 */ | |
| 384 | |
| 385 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 386 { | |
| 387 if (exps) | |
| 388 { | |
| 389 for (size_t i = 0; i < exps->dim; i++) | |
| 390 { Expression *e = (Expression *)exps->data[i]; | |
| 391 | |
| 392 e = e->semantic(sc); | |
| 393 exps->data[i] = (void *)e; | |
| 394 } | |
| 395 } | |
| 396 } | |
| 397 | |
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398 |
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399 /****************************** |
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400 * Perform canThrow() on an array of Expressions. |
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401 */ |
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402 |
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403 #if DMDV2 |
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404 int arrayExpressionCanThrow(Expressions *exps) |
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405 { |
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406 if (exps) |
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407 { |
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408 for (size_t i = 0; i < exps->dim; i++) |
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409 { Expression *e = (Expression *)exps->data[i]; |
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410 if (e && e->canThrow()) |
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411 return 1; |
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412 } |
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413 } |
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414 return 0; |
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415 } |
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416 #endif |
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|
417 |
| 159 | 418 /**************************************** |
| 419 * Expand tuples. | |
| 420 */ | |
| 421 | |
| 422 void expandTuples(Expressions *exps) | |
| 423 { | |
| 424 //printf("expandTuples()\n"); | |
| 425 if (exps) | |
| 426 { | |
| 427 for (size_t i = 0; i < exps->dim; i++) | |
| 428 { Expression *arg = (Expression *)exps->data[i]; | |
| 429 if (!arg) | |
| 430 continue; | |
| 431 | |
| 432 // Look for tuple with 0 members | |
| 433 if (arg->op == TOKtype) | |
| 434 { TypeExp *e = (TypeExp *)arg; | |
| 435 if (e->type->toBasetype()->ty == Ttuple) | |
| 436 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 437 | |
| 438 if (!tt->arguments || tt->arguments->dim == 0) | |
| 439 { | |
| 440 exps->remove(i); | |
| 441 if (i == exps->dim) | |
| 442 return; | |
| 443 i--; | |
| 444 continue; | |
| 445 } | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 // Inline expand all the tuples | |
| 450 while (arg->op == TOKtuple) | |
| 451 { TupleExp *te = (TupleExp *)arg; | |
| 452 | |
| 453 exps->remove(i); // remove arg | |
| 454 exps->insert(i, te->exps); // replace with tuple contents | |
| 455 if (i == exps->dim) | |
| 456 return; // empty tuple, no more arguments | |
| 457 arg = (Expression *)exps->data[i]; | |
| 458 } | |
| 459 } | |
| 460 } | |
| 461 } | |
| 462 | |
| 463 /**************************************** | |
| 464 * Preprocess arguments to function. | |
| 465 */ | |
| 466 | |
| 467 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 468 { | |
| 469 if (exps) | |
| 470 { | |
| 471 expandTuples(exps); | |
| 472 | |
| 473 for (size_t i = 0; i < exps->dim; i++) | |
| 474 { Expression *arg = (Expression *)exps->data[i]; | |
| 475 | |
| 476 if (!arg->type) | |
| 477 { | |
| 478 #ifdef DEBUG | |
| 479 if (!global.gag) | |
| 480 printf("1: \n"); | |
| 481 #endif | |
| 482 arg->error("%s is not an expression", arg->toChars()); | |
| 483 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 484 } | |
| 485 | |
| 486 arg = resolveProperties(sc, arg); | |
| 487 exps->data[i] = (void *) arg; | |
| 488 | |
| 489 //arg->rvalue(); | |
| 490 #if 0 | |
| 491 if (arg->type->ty == Tfunction) | |
| 492 { | |
| 493 arg = new AddrExp(arg->loc, arg); | |
| 494 arg = arg->semantic(sc); | |
| 495 exps->data[i] = (void *) arg; | |
| 496 } | |
| 497 #endif | |
| 498 } | |
| 499 } | |
| 500 } | |
| 501 | |
| 336 | 502 /********************************************* |
| 503 * Call copy constructor for struct value argument. | |
| 504 */ | |
| 505 #if DMDV2 | |
| 506 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 507 { | |
| 508 Type *tb = e->type->toBasetype(); | |
| 509 assert(tb->ty == Tstruct); | |
| 510 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 511 if (sd->cpctor) | |
| 512 { | |
| 513 /* Create a variable tmp, and replace the argument e with: | |
| 514 * (tmp = e),tmp | |
| 515 * and let AssignExp() handle the construction. | |
| 516 * This is not the most efficent, ideally tmp would be constructed | |
| 517 * directly onto the stack. | |
| 518 */ | |
| 519 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 520 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 521 Expression *ae = new DeclarationExp(loc, tmp); | |
| 522 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 523 e = e->semantic(sc); | |
| 524 } | |
| 525 return e; | |
| 526 } | |
| 527 #endif | |
| 159 | 528 |
| 529 /**************************************** | |
| 530 * Now that we know the exact type of the function we're calling, | |
| 531 * the arguments[] need to be adjusted: | |
|
510
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532 * 1. implicitly convert argument to the corresponding parameter type |
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533 * 2. add default arguments for any missing arguments |
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534 * 3. do default promotions on arguments corresponding to ... |
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535 * 4. add hidden _arguments[] argument |
| 159 | 536 */ |
| 537 | |
| 538 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 539 { | |
| 540 unsigned n; | |
| 541 | |
| 542 //printf("functionArguments()\n"); | |
| 543 assert(arguments); | |
| 544 size_t nargs = arguments ? arguments->dim : 0; | |
| 545 size_t nparams = Argument::dim(tf->parameters); | |
| 546 | |
| 547 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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548 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 549 |
| 550 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 551 | |
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552 int done = 0; |
| 159 | 553 for (size_t i = 0; i < n; i++) |
| 554 { | |
| 555 Expression *arg; | |
| 556 | |
| 557 if (i < nargs) | |
| 558 arg = (Expression *)arguments->data[i]; | |
| 559 else | |
| 560 arg = NULL; | |
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561 Type *tb; |
| 159 | 562 |
| 563 if (i < nparams) | |
| 564 { | |
| 565 Argument *p = Argument::getNth(tf->parameters, i); | |
| 566 | |
| 567 if (!arg) | |
| 568 { | |
| 569 if (!p->defaultArg) | |
| 570 { | |
| 571 if (tf->varargs == 2 && i + 1 == nparams) | |
| 572 goto L2; | |
|
1103
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- Updated to DMD frontend 1.041.
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573 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 574 break; |
| 575 } | |
| 336 | 576 arg = p->defaultArg; |
| 577 #if DMDV2 | |
| 578 if (arg->op == TOKdefault) | |
| 579 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 580 arg = de->resolve(loc, sc); | |
| 581 } | |
| 582 else | |
| 583 #endif | |
| 584 arg = arg->copy(); | |
| 159 | 585 arguments->push(arg); |
| 586 nargs++; | |
| 587 } | |
| 588 | |
| 589 if (tf->varargs == 2 && i + 1 == nparams) | |
| 590 { | |
| 591 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 592 if (arg->implicitConvTo(p->type)) | |
| 593 { | |
| 594 if (nargs != nparams) | |
|
1103
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- Updated to DMD frontend 1.041.
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|
595 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 596 goto L1; |
| 597 } | |
| 598 L2: | |
| 599 Type *tb = p->type->toBasetype(); | |
| 600 Type *tret = p->isLazyArray(); | |
| 601 switch (tb->ty) | |
| 602 { | |
| 603 case Tsarray: | |
| 604 case Tarray: | |
| 605 { // Create a static array variable v of type arg->type | |
| 606 #ifdef IN_GCC | |
| 607 /* GCC 4.0 does not like zero length arrays used like | |
| 608 this; pass a null array value instead. Could also | |
| 609 just make a one-element array. */ | |
| 610 if (nargs - i == 0) | |
| 611 { | |
| 612 arg = new NullExp(loc); | |
| 613 break; | |
| 614 } | |
| 615 #endif | |
|
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616 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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617 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 618 t = t->semantic(loc, sc); |
| 619 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 620 v->semantic(sc); | |
| 621 v->parent = sc->parent; | |
| 622 //sc->insert(v); | |
| 623 | |
| 624 Expression *c = new DeclarationExp(0, v); | |
| 625 c->type = v->type; | |
| 626 | |
| 627 for (size_t u = i; u < nargs; u++) | |
| 628 { Expression *a = (Expression *)arguments->data[u]; | |
|
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629 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 630 a = a->toDelegate(sc, tret); |
| 631 | |
| 632 Expression *e = new VarExp(loc, v); | |
| 633 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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634 AssignExp *ae = new AssignExp(loc, e, a); |
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635 #if DMDV2 |
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636 ae->op = TOKconstruct; |
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637 #endif |
| 159 | 638 if (c) |
|
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639 c = new CommaExp(loc, c, ae); |
| 159 | 640 else |
|
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|
641 c = ae; |
| 159 | 642 } |
| 643 arg = new VarExp(loc, v); | |
| 644 if (c) | |
| 645 arg = new CommaExp(loc, c, arg); | |
| 646 break; | |
| 647 } | |
| 648 case Tclass: | |
| 649 { /* Set arg to be: | |
| 650 * new Tclass(arg0, arg1, ..., argn) | |
| 651 */ | |
| 652 Expressions *args = new Expressions(); | |
| 653 args->setDim(nargs - i); | |
| 654 for (size_t u = i; u < nargs; u++) | |
| 655 args->data[u - i] = arguments->data[u]; | |
| 656 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 657 break; | |
| 658 } | |
| 659 default: | |
| 660 if (!arg) | |
| 661 { error(loc, "not enough arguments"); | |
| 662 return; | |
| 663 } | |
| 664 break; | |
| 665 } | |
| 666 arg = arg->semantic(sc); | |
| 667 //printf("\targ = '%s'\n", arg->toChars()); | |
| 668 arguments->setDim(i + 1); | |
| 669 done = 1; | |
| 670 } | |
| 671 | |
| 672 L1: | |
| 673 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 674 arg = arg->implicitCastTo(sc, p->type); | |
| 675 if (p->storageClass & (STCout | STCref)) | |
| 676 { | |
| 677 // BUG: should check that argument to ref is type 'invariant' | |
| 678 // BUG: assignments to ref should also be type 'invariant' | |
| 679 arg = arg->modifiableLvalue(sc, arg); | |
| 680 | |
| 681 //if (arg->op == TOKslice) | |
| 682 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 683 } | |
| 684 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
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|
685 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
686 #if !IN_LLVM |
| 159 | 687 // Convert static arrays to pointers |
| 688 tb = arg->type->toBasetype(); | |
| 689 if (tb->ty == Tsarray) | |
| 690 { | |
| 691 arg = arg->checkToPointer(); | |
| 692 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
693 #endif |
|
875
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694 #if DMDV2 |
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695 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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|
696 { |
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697 arg = callCpCtor(loc, sc, arg); |
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698 } |
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|
699 #endif |
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|
700 |
| 159 | 701 // Convert lazy argument to a delegate |
| 702 if (p->storageClass & STClazy) | |
| 703 { | |
| 704 arg = arg->toDelegate(sc, p->type); | |
| 705 } | |
|
875
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Merged DMD 1.038
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diff
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|
706 #if DMDV2 |
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diff
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|
707 /* Look for arguments that cannot 'escape' from the called |
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330f999ade44
Merged DMD 1.038
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diff
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|
708 * function. |
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diff
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|
709 */ |
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diff
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|
710 if (!tf->parameterEscapes(p)) |
|
330f999ade44
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diff
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|
711 { |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
712 /* Function literals can only appear once, so if this |
|
330f999ade44
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parents:
846
diff
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|
713 * appearance was scoped, there cannot be any others. |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
714 */ |
|
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diff
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|
715 if (arg->op == TOKfunction) |
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diff
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|
716 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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diff
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|
717 fe->fd->tookAddressOf = 0; |
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diff
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|
718 } |
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diff
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|
719 |
|
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diff
changeset
|
720 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
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diff
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|
721 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
722 * We only worry about 'escaping' references to the function. |
|
330f999ade44
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parents:
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diff
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|
723 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
724 else if (arg->op == TOKdelegate) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
725 { DelegateExp *de = (DelegateExp *)arg; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
726 if (de->e1->op == TOKvar) |
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727 { VarExp *ve = (VarExp *)de->e1; |
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728 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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729 if (f) |
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730 { f->tookAddressOf--; |
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731 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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732 } |
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733 } |
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734 } |
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735 } |
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736 #endif |
| 159 | 737 } |
| 738 else | |
| 739 { | |
| 740 | |
| 741 // If not D linkage, do promotions | |
|
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742 // LDC: don't do promotions on intrinsics |
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743 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 744 { |
| 745 // Promote bytes, words, etc., to ints | |
| 746 arg = arg->integralPromotions(sc); | |
| 747 | |
| 748 // Promote floats to doubles | |
| 749 switch (arg->type->ty) | |
| 750 { | |
| 751 case Tfloat32: | |
| 752 arg = arg->castTo(sc, Type::tfloat64); | |
| 753 break; | |
| 754 | |
| 755 case Timaginary32: | |
| 756 arg = arg->castTo(sc, Type::timaginary64); | |
| 757 break; | |
| 758 } | |
| 759 } | |
| 760 | |
| 761 // Convert static arrays to dynamic arrays | |
| 762 tb = arg->type->toBasetype(); | |
| 763 if (tb->ty == Tsarray) | |
| 764 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 765 Type *ta = ts->next->arrayOf(); |
| 159 | 766 if (ts->size(arg->loc) == 0) |
| 767 { arg = new NullExp(arg->loc); | |
| 768 arg->type = ta; | |
| 769 } | |
| 770 else | |
| 771 arg = arg->castTo(sc, ta); | |
| 772 } | |
| 336 | 773 #if DMDV2 |
| 774 if (tb->ty == Tstruct) | |
| 775 { | |
| 776 arg = callCpCtor(loc, sc, arg); | |
| 777 } | |
| 778 | |
| 779 // Give error for overloaded function addresses | |
| 780 if (arg->op == TOKsymoff) | |
| 781 { SymOffExp *se = (SymOffExp *)arg; | |
| 782 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 783 arg->error("function %s is overloaded", arg->toChars()); | |
| 784 } | |
| 785 #endif | |
| 159 | 786 arg->rvalue(); |
| 787 } | |
| 788 arg = arg->optimize(WANTvalue); | |
| 789 arguments->data[i] = (void *) arg; | |
| 790 if (done) | |
| 791 break; | |
| 792 } | |
| 793 | |
| 794 #if !IN_LLVM | |
| 795 // If D linkage and variadic, add _arguments[] as first argument | |
| 796 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 797 { | |
| 798 Expression *e; | |
| 799 | |
| 800 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 801 arguments->dim - nparams); | |
| 802 arguments->insert(0, e); | |
| 803 } | |
| 804 #endif | |
| 805 } | |
| 806 | |
| 807 /************************************************** | |
| 808 * Write expression out to buf, but wrap it | |
| 809 * in ( ) if its precedence is less than pr. | |
| 810 */ | |
| 811 | |
| 812 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 813 { | |
| 336 | 814 //if (precedence[e->op] == 0) e->dump(0); |
|
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815 if (precedence[e->op] < pr || |
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816 /* Despite precedence, we don't allow a<b<c expressions. |
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817 * They must be parenthesized. |
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818 */ |
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819 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 820 { |
| 821 buf->writeByte('('); | |
| 822 e->toCBuffer(buf, hgs); | |
| 823 buf->writeByte(')'); | |
| 824 } | |
| 825 else | |
| 826 e->toCBuffer(buf, hgs); | |
| 827 } | |
| 828 | |
| 829 /************************************************** | |
| 830 * Write out argument list to buf. | |
| 831 */ | |
| 832 | |
| 833 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 834 { | |
| 835 if (arguments) | |
| 836 { | |
| 837 for (size_t i = 0; i < arguments->dim; i++) | |
| 838 { Expression *arg = (Expression *)arguments->data[i]; | |
| 839 | |
| 840 if (arg) | |
| 841 { if (i) | |
| 842 buf->writeByte(','); | |
| 843 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 } | |
| 848 | |
| 849 /************************************************** | |
| 850 * Write out argument types to buf. | |
| 851 */ | |
| 852 | |
| 853 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 854 { | |
| 855 if (arguments) | |
| 856 { OutBuffer argbuf; | |
| 857 | |
| 858 for (size_t i = 0; i < arguments->dim; i++) | |
| 859 { Expression *arg = (Expression *)arguments->data[i]; | |
| 860 | |
| 861 if (i) | |
| 862 buf->writeByte(','); | |
| 863 argbuf.reset(); | |
| 864 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 865 buf->write(&argbuf); | |
| 866 } | |
| 867 } | |
| 868 } | |
| 869 | |
| 870 /******************************** Expression **************************/ | |
| 871 | |
| 872 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 873 : loc(loc) | |
| 874 { | |
|
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875 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 876 this->loc = loc; |
| 877 this->op = op; | |
| 878 this->size = size; | |
| 879 type = NULL; | |
|
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880 |
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881 #if IN_LLVM |
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882 cachedLvalue = NULL; |
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883 #endif |
| 159 | 884 } |
| 885 | |
| 886 Expression *Expression::syntaxCopy() | |
| 887 { | |
| 888 //printf("Expression::syntaxCopy()\n"); | |
| 889 //dump(0); | |
| 890 return copy(); | |
| 891 } | |
| 892 | |
| 893 /********************************* | |
| 894 * Does *not* do a deep copy. | |
| 895 */ | |
| 896 | |
| 897 Expression *Expression::copy() | |
| 898 { | |
| 899 Expression *e; | |
| 900 if (!size) | |
| 901 { | |
| 902 #ifdef DEBUG | |
| 903 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 904 printf("op = %d\n", op); | |
| 905 dump(0); | |
| 906 #endif | |
| 907 assert(0); | |
| 908 } | |
| 909 e = (Expression *)mem.malloc(size); | |
|
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910 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 911 return (Expression *)memcpy(e, this, size); |
| 912 } | |
| 913 | |
| 914 /************************** | |
| 915 * Semantically analyze Expression. | |
| 916 * Determine types, fold constants, etc. | |
| 917 */ | |
| 918 | |
| 919 Expression *Expression::semantic(Scope *sc) | |
| 920 { | |
| 921 #if LOGSEMANTIC | |
| 336 | 922 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 923 #endif |
| 924 if (type) | |
| 925 type = type->semantic(loc, sc); | |
| 926 else | |
| 927 type = Type::tvoid; | |
| 928 return this; | |
| 929 } | |
| 930 | |
| 931 void Expression::print() | |
| 932 { | |
| 933 fprintf(stdmsg, "%s\n", toChars()); | |
| 934 fflush(stdmsg); | |
| 935 } | |
| 936 | |
| 937 char *Expression::toChars() | |
| 938 { OutBuffer *buf; | |
| 939 HdrGenState hgs; | |
| 940 | |
| 941 memset(&hgs, 0, sizeof(hgs)); | |
| 942 buf = new OutBuffer(); | |
| 943 toCBuffer(buf, &hgs); | |
| 944 return buf->toChars(); | |
| 945 } | |
| 946 | |
| 947 void Expression::error(const char *format, ...) | |
| 948 { | |
| 949 va_list ap; | |
| 950 va_start(ap, format); | |
| 951 ::verror(loc, format, ap); | |
| 952 va_end( ap ); | |
| 953 } | |
| 954 | |
|
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955 void Expression::warning(const char *format, ...) |
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956 { |
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957 if (global.params.warnings && !global.gag) |
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958 { |
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959 va_list ap; |
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960 va_start(ap, format); |
|
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961 ::vwarning(loc, format, ap); |
|
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962 va_end( ap ); |
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963 } |
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964 } |
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965 |
| 159 | 966 void Expression::rvalue() |
| 967 { | |
| 968 if (type && type->toBasetype()->ty == Tvoid) | |
| 969 { error("expression %s is void and has no value", toChars()); | |
| 970 #if 0 | |
| 971 dump(0); | |
| 972 halt(); | |
| 973 #endif | |
| 336 | 974 type = Type::tint32; |
| 159 | 975 } |
| 976 } | |
| 977 | |
| 978 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 979 { | |
| 980 if (e1) | |
| 981 { | |
| 982 if (e2) | |
| 983 { | |
| 984 e1 = new CommaExp(e1->loc, e1, e2); | |
| 985 e1->type = e2->type; | |
| 986 } | |
| 987 } | |
| 988 else | |
| 989 e1 = e2; | |
| 990 return e1; | |
| 991 } | |
| 992 | |
|
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993 dinteger_t Expression::toInteger() |
| 159 | 994 { |
| 995 //printf("Expression %s\n", Token::toChars(op)); | |
| 996 error("Integer constant expression expected instead of %s", toChars()); | |
| 997 return 0; | |
| 998 } | |
| 999 | |
| 1000 uinteger_t Expression::toUInteger() | |
| 1001 { | |
| 1002 //printf("Expression %s\n", Token::toChars(op)); | |
| 1003 return (uinteger_t)toInteger(); | |
| 1004 } | |
| 1005 | |
| 1006 real_t Expression::toReal() | |
| 1007 { | |
| 1008 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1009 return 0; | |
| 1010 } | |
| 1011 | |
| 1012 real_t Expression::toImaginary() | |
| 1013 { | |
| 1014 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1015 return 0; | |
| 1016 } | |
| 1017 | |
| 1018 complex_t Expression::toComplex() | |
| 1019 { | |
| 1020 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1021 #ifdef IN_GCC | |
| 1022 return complex_t(real_t(0)); // %% nicer | |
| 1023 #else | |
| 1024 return 0; | |
| 1025 #endif | |
| 1026 } | |
| 1027 | |
| 1028 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1029 { | |
| 1030 buf->writestring(Token::toChars(op)); | |
| 1031 } | |
| 1032 | |
| 1033 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1034 { | |
| 1035 error("expression %s is not a valid template value argument", toChars()); | |
| 1036 } | |
| 1037 | |
|
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1038 /*************************************** |
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1039 * Return !=0 if expression is an lvalue. |
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1040 */ |
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1041 #if DMDV2 |
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1042 int Expression::isLvalue() |
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1043 { |
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1044 return 0; |
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1045 } |
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1046 #endif |
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1047 |
| 159 | 1048 /******************************* |
| 1049 * Give error if we're not an lvalue. | |
| 1050 * If we can, convert expression to be an lvalue. | |
| 1051 */ | |
| 1052 | |
| 1053 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1054 { | |
| 1055 if (!e) | |
| 1056 e = this; | |
| 1057 else if (!loc.filename) | |
| 1058 loc = e->loc; | |
| 1059 error("%s is not an lvalue", e->toChars()); | |
| 1060 return this; | |
| 1061 } | |
| 1062 | |
| 1063 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1064 { | |
|
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1065 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1066 |
| 159 | 1067 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1068 #if DMDV2 |
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1069 if (type && (!type->isMutable() || !type->isAssignable())) |
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1070 error("%s is not mutable", e->toChars()); |
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1071 #endif |
| 159 | 1072 return toLvalue(sc, e); |
| 1073 } | |
| 1074 | |
| 1075 /************************************ | |
| 1076 * Detect cases where pointers to the stack can 'escape' the | |
| 1077 * lifetime of the stack frame. | |
| 1078 */ | |
| 1079 | |
| 1080 void Expression::checkEscape() | |
| 1081 { | |
| 1082 } | |
| 1083 | |
| 1084 void Expression::checkScalar() | |
| 1085 { | |
| 1086 if (!type->isscalar()) | |
| 1087 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1088 } | |
| 1089 | |
| 1090 void Expression::checkNoBool() | |
| 1091 { | |
| 1092 if (type->toBasetype()->ty == Tbool) | |
| 1093 error("operation not allowed on bool '%s'", toChars()); | |
| 1094 } | |
| 1095 | |
| 1096 Expression *Expression::checkIntegral() | |
| 1097 { | |
| 1098 if (!type->isintegral()) | |
| 1099 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1100 return new IntegerExp(0); | |
| 1101 } | |
| 1102 return this; | |
| 1103 } | |
| 1104 | |
| 1105 Expression *Expression::checkArithmetic() | |
| 1106 { | |
| 1107 if (!type->isintegral() && !type->isfloating()) | |
| 1108 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1109 return new IntegerExp(0); | |
| 1110 } | |
| 1111 return this; | |
| 1112 } | |
| 1113 | |
| 1114 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1115 { | |
| 1116 s->checkDeprecated(loc, sc); | |
| 1117 } | |
| 1118 | |
|
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parents:
846
diff
changeset
|
1119 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
1120 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
|
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Merged DMD 1.038
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diff
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|
1121 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1122 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
|
1123 error("pure function '%s' cannot call impure function '%s'\n", |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1124 sc->func->toChars(), f->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1125 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1126 #endif |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
1127 |
| 159 | 1128 /******************************** |
| 1129 * Check for expressions that have no use. | |
| 1130 * Input: | |
| 1131 * flag 0 not going to use the result, so issue error message if no | |
| 1132 * side effects | |
| 1133 * 1 the result of the expression is used, but still check | |
| 1134 * for useless subexpressions | |
| 1135 * 2 do not issue error messages, just return !=0 if expression | |
| 1136 * has side effects | |
| 1137 */ | |
| 1138 | |
| 1139 int Expression::checkSideEffect(int flag) | |
| 1140 { | |
| 1141 if (flag == 0) | |
| 1142 { if (op == TOKimport) | |
| 1143 { | |
| 1144 error("%s has no effect", toChars()); | |
| 1145 } | |
| 1146 else | |
| 1147 error("%s has no effect in expression (%s)", | |
| 1148 Token::toChars(op), toChars()); | |
| 1149 } | |
| 1150 return 0; | |
| 1151 } | |
| 1152 | |
| 1153 /***************************** | |
| 1154 * Check that expression can be tested for true or false. | |
| 1155 */ | |
| 1156 | |
| 1157 Expression *Expression::checkToBoolean() | |
| 1158 { | |
| 1159 // Default is 'yes' - do nothing | |
| 1160 | |
| 1161 #ifdef DEBUG | |
| 1162 if (!type) | |
| 1163 dump(0); | |
| 1164 #endif | |
| 1165 | |
| 1166 if (!type->checkBoolean()) | |
| 1167 { | |
| 1168 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1169 } | |
| 1170 return this; | |
| 1171 } | |
| 1172 | |
| 1173 /**************************** | |
| 1174 */ | |
| 1175 | |
| 1176 Expression *Expression::checkToPointer() | |
| 1177 { | |
| 1178 Expression *e; | |
| 1179 Type *tb; | |
| 1180 | |
| 1181 //printf("Expression::checkToPointer()\n"); | |
| 1182 e = this; | |
| 1183 | |
| 1184 // If C static array, convert to pointer | |
| 1185 tb = type->toBasetype(); | |
| 1186 if (tb->ty == Tsarray) | |
| 1187 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1188 if (ts->size(loc) == 0) | |
| 1189 e = new NullExp(loc); | |
| 1190 else | |
| 1191 e = new AddrExp(loc, this); | |
| 336 | 1192 e->type = ts->next->pointerTo(); |
| 159 | 1193 } |
| 1194 return e; | |
| 1195 } | |
| 1196 | |
| 1197 /****************************** | |
| 1198 * Take address of expression. | |
| 1199 */ | |
| 1200 | |
| 1201 Expression *Expression::addressOf(Scope *sc) | |
| 1202 { | |
| 1203 Expression *e; | |
| 1204 | |
| 1205 //printf("Expression::addressOf()\n"); | |
| 1206 e = toLvalue(sc, NULL); | |
| 1207 e = new AddrExp(loc, e); | |
| 1208 e->type = type->pointerTo(); | |
| 1209 return e; | |
| 1210 } | |
| 1211 | |
| 1212 /****************************** | |
| 1213 * If this is a reference, dereference it. | |
| 1214 */ | |
| 1215 | |
| 1216 Expression *Expression::deref() | |
| 1217 { | |
| 1218 //printf("Expression::deref()\n"); | |
| 1219 if (type->ty == Treference) | |
| 1220 { Expression *e; | |
| 1221 | |
| 1222 e = new PtrExp(loc, this); | |
| 336 | 1223 e->type = ((TypeReference *)type)->next; |
| 159 | 1224 return e; |
| 1225 } | |
| 1226 return this; | |
| 1227 } | |
| 1228 | |
| 1229 /******************************** | |
| 1230 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1231 */ | |
| 1232 | |
| 1233 int Expression::isBool(int result) | |
| 1234 { | |
| 1235 return FALSE; | |
| 1236 } | |
| 1237 | |
| 1238 /******************************** | |
| 1239 * Does this expression result in either a 1 or a 0? | |
| 1240 */ | |
| 1241 | |
| 1242 int Expression::isBit() | |
| 1243 { | |
| 1244 return FALSE; | |
| 1245 } | |
| 1246 | |
| 336 | 1247 /******************************** |
| 1248 * Can this expression throw an exception? | |
| 1249 * Valid only after semantic() pass. | |
| 1250 */ | |
| 1251 | |
| 1252 int Expression::canThrow() | |
| 1253 { | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1254 #if DMDV2 |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1255 return FALSE; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1256 #else |
| 336 | 1257 return TRUE; |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
1258 #endif |
| 336 | 1259 } |
| 1260 | |
| 1261 | |
| 1262 | |
| 159 | 1263 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1264 { Expressions *a = NULL; | |
| 1265 | |
| 1266 if (exps) | |
| 1267 { | |
| 1268 a = new Expressions(); | |
| 1269 a->setDim(exps->dim); | |
| 1270 for (int i = 0; i < a->dim; i++) | |
| 1271 { Expression *e = (Expression *)exps->data[i]; | |
| 1272 | |
| 1273 e = e->syntaxCopy(); | |
| 1274 a->data[i] = e; | |
| 1275 } | |
| 1276 } | |
| 1277 return a; | |
| 1278 } | |
| 1279 | |
| 1280 /******************************** IntegerExp **************************/ | |
| 1281 | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
1282 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1283 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1284 { | |
| 1285 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1286 if (type && !type->isscalar()) | |
| 1287 { | |
| 336 | 1288 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1289 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1290 type = Type::terror; | |
| 1291 } | |
| 1292 this->type = type; | |
| 1293 this->value = value; | |
| 1294 } | |
| 1295 | |
|
1195
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Merged DMD 1.042.
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diff
changeset
|
1296 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1297 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1298 { | |
| 1299 this->type = Type::tint32; | |
| 1300 this->value = value; | |
| 1301 } | |
| 1302 | |
| 1303 int IntegerExp::equals(Object *o) | |
| 1304 { IntegerExp *ne; | |
| 1305 | |
| 1306 if (this == o || | |
| 1307 (((Expression *)o)->op == TOKint64 && | |
| 1308 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1309 value == ne->value)) | |
| 1310 return 1; | |
| 1311 return 0; | |
| 1312 } | |
| 1313 | |
| 1314 char *IntegerExp::toChars() | |
| 1315 { | |
| 1316 #if 1 | |
| 1317 return Expression::toChars(); | |
| 1318 #else | |
| 1319 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
|
1320 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1321 sprintf(buffer, "%jd", value); |
| 159 | 1322 return buffer; |
| 1323 #endif | |
| 1324 } | |
| 1325 | |
|
1195
e961851fb8be
Merged DMD 1.042.
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diff
changeset
|
1326 dinteger_t IntegerExp::toInteger() |
| 159 | 1327 { Type *t; |
| 1328 | |
| 1329 t = type; | |
| 1330 while (t) | |
| 1331 { | |
| 1332 switch (t->ty) | |
| 1333 { | |
| 1334 case Tbit: | |
| 1335 case Tbool: value = (value != 0); break; | |
| 1336 case Tint8: value = (d_int8) value; break; | |
| 1337 case Tchar: | |
| 1338 case Tuns8: value = (d_uns8) value; break; | |
| 1339 case Tint16: value = (d_int16) value; break; | |
| 1340 case Twchar: | |
| 1341 case Tuns16: value = (d_uns16) value; break; | |
| 1342 case Tint32: value = (d_int32) value; break; | |
| 1343 case Tdchar: | |
| 1344 case Tuns32: value = (d_uns32) value; break; | |
| 1345 case Tint64: value = (d_int64) value; break; | |
| 1346 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
|
1347 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
|
1348 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
|
1349 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
|
1350 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
|
1351 value = (d_uns64) value; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1352 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1353 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
|
1354 break; |
| 159 | 1355 |
| 1356 case Tenum: | |
| 1357 { | |
| 1358 TypeEnum *te = (TypeEnum *)t; | |
| 1359 t = te->sym->memtype; | |
| 1360 continue; | |
| 1361 } | |
| 1362 | |
| 1363 case Ttypedef: | |
| 1364 { | |
| 1365 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1366 t = tt->sym->basetype; | |
| 1367 continue; | |
| 1368 } | |
| 1369 | |
| 1370 default: | |
| 336 | 1371 /* This can happen if errors, such as |
| 1372 * the type is painted on like in fromConstInitializer(). | |
| 1373 */ | |
| 1374 if (!global.errors) | |
| 1375 { type->print(); | |
| 1376 assert(0); | |
| 1377 } | |
| 159 | 1378 break; |
| 1379 } | |
| 1380 break; | |
| 1381 } | |
| 1382 return value; | |
| 1383 } | |
| 1384 | |
| 1385 real_t IntegerExp::toReal() | |
| 1386 { | |
| 1387 Type *t; | |
| 1388 | |
| 1389 toInteger(); | |
| 1390 t = type->toBasetype(); | |
| 1391 if (t->ty == Tuns64) | |
| 1392 return (real_t)(d_uns64)value; | |
| 1393 else | |
| 1394 return (real_t)(d_int64)value; | |
| 1395 } | |
| 1396 | |
| 1397 real_t IntegerExp::toImaginary() | |
| 1398 { | |
| 1399 return (real_t) 0; | |
| 1400 } | |
| 1401 | |
| 1402 complex_t IntegerExp::toComplex() | |
| 1403 { | |
| 1404 return toReal(); | |
| 1405 } | |
| 1406 | |
| 1407 int IntegerExp::isBool(int result) | |
| 1408 { | |
| 1409 return result ? value != 0 : value == 0; | |
| 1410 } | |
| 1411 | |
| 1412 Expression *IntegerExp::semantic(Scope *sc) | |
| 1413 { | |
| 1414 if (!type) | |
| 1415 { | |
| 1416 // 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
|
1417 dinteger_t number = value; |
| 159 | 1418 |
| 1419 if (number & 0x8000000000000000LL) | |
| 1420 type = Type::tuns64; | |
| 1421 else if (number & 0xFFFFFFFF80000000LL) | |
| 1422 type = Type::tint64; | |
| 1423 else | |
| 1424 type = Type::tint32; | |
| 1425 } | |
| 1426 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
|
1427 { 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
|
1428 type = type->semantic(loc, sc); |
| 159 | 1429 } |
| 1430 return this; | |
| 1431 } | |
| 1432 | |
| 1433 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1434 { | |
| 1435 if (!e) | |
| 1436 e = this; | |
| 1437 else if (!loc.filename) | |
| 1438 loc = e->loc; | |
| 1439 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1440 return this; | |
| 1441 } | |
| 1442 | |
| 1443 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1444 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1445 dinteger_t v = toInteger(); |
| 159 | 1446 |
| 1447 if (type) | |
| 1448 { Type *t = type; | |
| 1449 | |
| 1450 L1: | |
| 1451 switch (t->ty) | |
| 1452 { | |
| 1453 case Tenum: | |
| 1454 { TypeEnum *te = (TypeEnum *)t; | |
| 1455 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1456 t = te->sym->memtype; | |
| 1457 goto L1; | |
| 1458 } | |
| 1459 | |
| 1460 case Ttypedef: | |
| 1461 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1462 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1463 t = tt->sym->basetype; | |
| 1464 goto L1; | |
| 1465 } | |
| 1466 | |
| 1467 case Twchar: // BUG: need to cast(wchar) | |
| 1468 case Tdchar: // BUG: need to cast(dchar) | |
| 1469 if ((uinteger_t)v > 0xFF) | |
| 1470 { | |
| 1471 buf->printf("'\\U%08x'", v); | |
| 1472 break; | |
| 1473 } | |
| 1474 case Tchar: | |
| 1475 if (v == '\'') | |
| 1476 buf->writestring("'\\''"); | |
| 1477 else if (isprint(v) && v != '\\') | |
| 1478 buf->printf("'%c'", (int)v); | |
| 1479 else | |
| 1480 buf->printf("'\\x%02x'", (int)v); | |
| 1481 break; | |
| 1482 | |
| 1483 case Tint8: | |
| 1484 buf->writestring("cast(byte)"); | |
| 1485 goto L2; | |
| 1486 | |
| 1487 case Tint16: | |
| 1488 buf->writestring("cast(short)"); | |
| 1489 goto L2; | |
| 1490 | |
| 1491 case Tint32: | |
| 1492 L2: | |
| 1493 buf->printf("%d", (int)v); | |
| 1494 break; | |
| 1495 | |
| 1496 case Tuns8: | |
| 1497 buf->writestring("cast(ubyte)"); | |
| 1498 goto L3; | |
| 1499 | |
| 1500 case Tuns16: | |
| 1501 buf->writestring("cast(ushort)"); | |
| 1502 goto L3; | |
| 1503 | |
| 1504 case Tuns32: | |
| 1505 L3: | |
| 1506 buf->printf("%du", (unsigned)v); | |
| 1507 break; | |
| 1508 | |
| 1509 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1510 buf->printf("%jdL", v); |
| 159 | 1511 break; |
| 1512 | |
| 1513 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1514 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1515 buf->printf("%juLU", v); |
| 159 | 1516 break; |
| 1517 | |
| 1518 case Tbit: | |
| 1519 case Tbool: | |
| 1520 buf->writestring((char *)(v ? "true" : "false")); | |
| 1521 break; | |
| 1522 | |
| 1523 case Tpointer: | |
| 1524 buf->writestring("cast("); | |
| 1525 buf->writestring(t->toChars()); | |
| 1526 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
|
1527 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
|
1528 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1529 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
|
1530 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1531 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1532 assert(0); |
| 159 | 1533 |
| 1534 default: | |
| 336 | 1535 /* This can happen if errors, such as |
| 1536 * the type is painted on like in fromConstInitializer(). | |
| 1537 */ | |
| 1538 if (!global.errors) | |
| 1539 { | |
| 159 | 1540 #ifdef DEBUG |
| 336 | 1541 t->print(); |
| 159 | 1542 #endif |
| 336 | 1543 assert(0); |
| 1544 } | |
| 1545 break; | |
| 159 | 1546 } |
| 1547 } | |
| 1548 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1549 buf->printf("0x%jx", v); |
| 159 | 1550 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1551 buf->printf("%jd", v); |
| 159 | 1552 } |
| 1553 | |
| 1554 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1555 { | |
| 1556 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
|
1557 buf->printf("N%jd", -value); |
| 159 | 1558 else |
|
1103
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1559 buf->printf("%jd", value); |
| 159 | 1560 } |
| 1561 | |
| 1562 /******************************** RealExp **************************/ | |
| 1563 | |
| 1564 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1565 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1566 { | |
| 1567 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1568 this->value = value; | |
| 1569 this->type = type; | |
| 1570 } | |
| 1571 | |
| 1572 char *RealExp::toChars() | |
| 1573 { | |
| 1574 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1575 | |
| 1576 #ifdef IN_GCC | |
| 1577 value.format(buffer, sizeof(buffer)); | |
| 1578 if (type->isimaginary()) | |
| 1579 strcat(buffer, "i"); | |
| 1580 #else | |
| 1581 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1582 #endif | |
| 1583 assert(strlen(buffer) < sizeof(buffer)); | |
| 1584 return mem.strdup(buffer); | |
| 1585 } | |
| 1586 | |
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1587 dinteger_t RealExp::toInteger() |
| 159 | 1588 { |
| 1589 #ifdef IN_GCC | |
| 1590 return toReal().toInt(); | |
| 1591 #else | |
| 1592 return (sinteger_t) toReal(); | |
| 1593 #endif | |
| 1594 } | |
| 1595 | |
| 1596 uinteger_t RealExp::toUInteger() | |
| 1597 { | |
| 1598 #ifdef IN_GCC | |
| 1599 return (uinteger_t) toReal().toInt(); | |
| 1600 #else | |
| 1601 return (uinteger_t) toReal(); | |
| 1602 #endif | |
| 1603 } | |
| 1604 | |
| 1605 real_t RealExp::toReal() | |
| 1606 { | |
| 1607 return type->isreal() ? value : 0; | |
| 1608 } | |
| 1609 | |
| 1610 real_t RealExp::toImaginary() | |
| 1611 { | |
| 1612 return type->isreal() ? 0 : value; | |
| 1613 } | |
| 1614 | |
| 1615 complex_t RealExp::toComplex() | |
| 1616 { | |
| 1617 #ifdef __DMC__ | |
| 1618 return toReal() + toImaginary() * I; | |
| 1619 #else | |
| 1620 return complex_t(toReal(), toImaginary()); | |
| 1621 #endif | |
| 1622 } | |
| 1623 | |
| 1624 /******************************** | |
| 1625 * Test to see if two reals are the same. | |
| 1626 * Regard NaN's as equivalent. | |
| 1627 * Regard +0 and -0 as different. | |
| 1628 */ | |
| 1629 | |
| 1630 int RealEquals(real_t x1, real_t x2) | |
| 1631 { | |
|
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1632 #if __APPLE__ |
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1633 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1634 #else |
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1635 return // special case nans |
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1636 (isnan(x1) && isnan(x2)) || |
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1637 #endif |
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1638 // and zero, in order to distinguish +0 from -0 |
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1639 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1640 // otherwise just compare |
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1641 (x1 != 0. && x1 == x2); |
| 159 | 1642 } |
| 1643 | |
| 1644 int RealExp::equals(Object *o) | |
| 1645 { RealExp *ne; | |
| 1646 | |
| 1647 if (this == o || | |
| 1648 (((Expression *)o)->op == TOKfloat64 && | |
| 1649 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1650 RealEquals(value, ne->value) | |
| 1651 ) | |
| 1652 ) | |
| 1653 return 1; | |
| 1654 return 0; | |
| 1655 } | |
| 1656 | |
| 1657 Expression *RealExp::semantic(Scope *sc) | |
| 1658 { | |
| 1659 if (!type) | |
| 1660 type = Type::tfloat64; | |
| 1661 else | |
| 1662 type = type->semantic(loc, sc); | |
| 1663 return this; | |
| 1664 } | |
| 1665 | |
| 1666 int RealExp::isBool(int result) | |
| 1667 { | |
| 1668 #ifdef IN_GCC | |
| 1669 return result ? (! value.isZero()) : (value.isZero()); | |
| 1670 #else | |
| 1671 return result ? (value != 0) | |
| 1672 : (value == 0); | |
| 1673 #endif | |
| 1674 } | |
| 1675 | |
| 1676 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1677 { | |
| 1678 /* In order to get an exact representation, try converting it | |
| 1679 * to decimal then back again. If it matches, use it. | |
| 1680 * If it doesn't, fall back to hex, which is | |
| 1681 * always exact. | |
| 1682 */ | |
| 1683 char buffer[25]; | |
| 1684 sprintf(buffer, "%Lg", value); | |
| 1685 assert(strlen(buffer) < sizeof(buffer)); | |
| 1686 #if _WIN32 && __DMC__ | |
| 1687 char *save = __locale_decpoint; | |
| 1688 __locale_decpoint = "."; | |
| 1689 real_t r = strtold(buffer, NULL); | |
| 1690 __locale_decpoint = save; | |
| 1691 #else | |
| 1692 real_t r = strtold(buffer, NULL); | |
| 1693 #endif | |
| 1694 if (r == value) // if exact duplication | |
| 1695 buf->writestring(buffer); | |
| 1696 else | |
| 1697 buf->printf("%La", value); // ensure exact duplication | |
| 1698 | |
| 1699 if (type) | |
| 1700 { | |
| 1701 Type *t = type->toBasetype(); | |
| 1702 switch (t->ty) | |
| 1703 { | |
| 1704 case Tfloat32: | |
| 1705 case Timaginary32: | |
| 1706 case Tcomplex32: | |
| 1707 buf->writeByte('F'); | |
| 1708 break; | |
| 1709 | |
| 1710 case Tfloat80: | |
| 1711 case Timaginary80: | |
| 1712 case Tcomplex80: | |
| 1713 buf->writeByte('L'); | |
| 1714 break; | |
| 1715 | |
| 1716 default: | |
| 1717 break; | |
| 1718 } | |
| 1719 if (t->isimaginary()) | |
| 1720 buf->writeByte('i'); | |
| 1721 } | |
| 1722 } | |
| 1723 | |
| 1724 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1725 { | |
| 1726 floatToBuffer(buf, type, value); | |
| 1727 } | |
| 1728 | |
| 1729 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1730 { | |
| 1731 /* Rely on %A to get portable mangling. | |
| 1732 * Must munge result to get only identifier characters. | |
| 1733 * | |
| 1734 * Possible values from %A => mangled result | |
| 1735 * NAN => NAN | |
| 1736 * -INF => NINF | |
| 1737 * INF => INF | |
| 1738 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1739 * 0X1.9P+2 => 19P2 | |
| 1740 */ | |
| 1741 | |
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1742 #if __APPLE__ |
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1743 if (__inline_isnan(value)) |
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1744 #else |
| 159 | 1745 if (isnan(value)) |
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1746 #endif |
| 159 | 1747 buf->writestring("NAN"); // no -NAN bugs |
| 1748 else | |
| 1749 { | |
| 1750 char buffer[32]; | |
| 1751 int n = sprintf(buffer, "%LA", value); | |
| 1752 assert(n > 0 && n < sizeof(buffer)); | |
| 1753 for (int i = 0; i < n; i++) | |
| 1754 { char c = buffer[i]; | |
| 1755 | |
| 1756 switch (c) | |
| 1757 { | |
| 1758 case '-': | |
| 1759 buf->writeByte('N'); | |
| 1760 break; | |
| 1761 | |
| 1762 case '+': | |
| 1763 case 'X': | |
| 1764 case '.': | |
| 1765 break; | |
| 1766 | |
| 1767 case '0': | |
| 1768 if (i < 2) | |
| 1769 break; // skip leading 0X | |
| 1770 default: | |
| 1771 buf->writeByte(c); | |
| 1772 break; | |
| 1773 } | |
| 1774 } | |
| 1775 } | |
| 1776 } | |
| 1777 | |
| 1778 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1779 { | |
| 1780 buf->writeByte('e'); | |
| 1781 realToMangleBuffer(buf, value); | |
| 1782 } | |
| 1783 | |
| 1784 | |
| 1785 /******************************** ComplexExp **************************/ | |
| 1786 | |
| 1787 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1788 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1789 { | |
| 1790 this->value = value; | |
| 1791 this->type = type; | |
| 1792 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1793 } | |
| 1794 | |
| 1795 char *ComplexExp::toChars() | |
| 1796 { | |
| 1797 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1798 | |
| 1799 #ifdef IN_GCC | |
| 1800 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1801 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1802 creall(value).format(buf1, sizeof(buf1)); | |
| 1803 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1804 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1805 #else | |
| 1806 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1807 assert(strlen(buffer) < sizeof(buffer)); | |
| 1808 #endif | |
| 1809 return mem.strdup(buffer); | |
| 1810 } | |
| 1811 | |
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1812 dinteger_t ComplexExp::toInteger() |
| 159 | 1813 { |
| 1814 #ifdef IN_GCC | |
| 1815 return (sinteger_t) toReal().toInt(); | |
| 1816 #else | |
| 1817 return (sinteger_t) toReal(); | |
| 1818 #endif | |
| 1819 } | |
| 1820 | |
| 1821 uinteger_t ComplexExp::toUInteger() | |
| 1822 { | |
| 1823 #ifdef IN_GCC | |
| 1824 return (uinteger_t) toReal().toInt(); | |
| 1825 #else | |
| 1826 return (uinteger_t) toReal(); | |
| 1827 #endif | |
| 1828 } | |
| 1829 | |
| 1830 real_t ComplexExp::toReal() | |
| 1831 { | |
| 1832 return creall(value); | |
| 1833 } | |
| 1834 | |
| 1835 real_t ComplexExp::toImaginary() | |
| 1836 { | |
| 1837 return cimagl(value); | |
| 1838 } | |
| 1839 | |
| 1840 complex_t ComplexExp::toComplex() | |
| 1841 { | |
| 1842 return value; | |
| 1843 } | |
| 1844 | |
| 1845 int ComplexExp::equals(Object *o) | |
| 1846 { ComplexExp *ne; | |
| 1847 | |
| 1848 if (this == o || | |
| 1849 (((Expression *)o)->op == TOKcomplex80 && | |
| 1850 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1851 RealEquals(creall(value), creall(ne->value)) && | |
| 1852 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1853 ) | |
| 1854 ) | |
| 1855 return 1; | |
| 1856 return 0; | |
| 1857 } | |
| 1858 | |
| 1859 Expression *ComplexExp::semantic(Scope *sc) | |
| 1860 { | |
| 1861 if (!type) | |
| 1862 type = Type::tcomplex80; | |
| 1863 else | |
| 1864 type = type->semantic(loc, sc); | |
| 1865 return this; | |
| 1866 } | |
| 1867 | |
| 1868 int ComplexExp::isBool(int result) | |
| 1869 { | |
| 1870 if (result) | |
| 1871 return (bool)(value); | |
| 1872 else | |
| 1873 return !value; | |
| 1874 } | |
| 1875 | |
| 1876 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1877 { | |
| 1878 /* Print as: | |
| 1879 * (re+imi) | |
| 1880 */ | |
| 1881 #ifdef IN_GCC | |
| 1882 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1883 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1884 creall(value).format(buf1, sizeof(buf1)); | |
| 1885 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1886 buf->printf("(%s+%si)", buf1, buf2); | |
| 1887 #else | |
| 1888 buf->writeByte('('); | |
| 1889 floatToBuffer(buf, type, creall(value)); | |
| 1890 buf->writeByte('+'); | |
| 1891 floatToBuffer(buf, type, cimagl(value)); | |
| 1892 buf->writestring("i)"); | |
| 1893 #endif | |
| 1894 } | |
| 1895 | |
| 1896 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1897 { | |
| 1898 buf->writeByte('c'); | |
| 1899 real_t r = toReal(); | |
| 1900 realToMangleBuffer(buf, r); | |
| 1901 buf->writeByte('c'); // separate the two | |
| 1902 r = toImaginary(); | |
| 1903 realToMangleBuffer(buf, r); | |
| 1904 } | |
| 1905 | |
| 1906 /******************************** IdentifierExp **************************/ | |
| 1907 | |
| 1908 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1909 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1910 { | |
| 1911 this->ident = ident; | |
| 1912 } | |
| 1913 | |
| 1914 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1915 { | |
| 1916 Dsymbol *s; | |
| 1917 Dsymbol *scopesym; | |
| 1918 | |
| 1919 #if LOGSEMANTIC | |
| 1920 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1921 #endif | |
| 1922 s = sc->search(loc, ident, &scopesym); | |
| 1923 if (s) | |
| 1924 { Expression *e; | |
| 1925 WithScopeSymbol *withsym; | |
| 1926 | |
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1927 /* See if the symbol was a member of an enclosing 'with' |
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1928 */ |
| 159 | 1929 withsym = scopesym->isWithScopeSymbol(); |
| 1930 if (withsym) | |
| 1931 { | |
| 1932 s = s->toAlias(); | |
| 1933 | |
| 1934 // Same as wthis.ident | |
| 1935 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1936 { | |
| 1937 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1938 e = new DotIdExp(loc, e, ident); | |
| 1939 } | |
| 1940 else | |
| 1941 { Type *t = withsym->withstate->wthis->type; | |
| 1942 if (t->ty == Tpointer) | |
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1943 t = ((TypePointer *)t)->next; |
| 159 | 1944 e = new TypeDotIdExp(loc, t, ident); |
| 1945 } | |
| 1946 } | |
| 1947 else | |
| 1948 { | |
| 1949 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1950 { // Kludge to run semantic() here because | |
| 1951 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1952 s->semantic(sc); | |
| 1953 } | |
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1954 /* If f is really a function template, |
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1955 * then replace f with the function template declaration. |
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1956 */ |
| 159 | 1957 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1958 if (f && f->parent) | |
| 1959 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1960 | |
| 1961 if (ti && | |
| 1962 !ti->isTemplateMixin() && | |
| 1963 (ti->name == f->ident || | |
| 1964 ti->toAlias()->ident == f->ident) | |
| 1965 && | |
| 1966 ti->tempdecl && ti->tempdecl->onemember) | |
| 1967 { | |
| 1968 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1969 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1970 tempdecl = tempdecl->overroot; // then get the start | |
| 1971 e = new TemplateExp(loc, tempdecl); | |
| 1972 e = e->semantic(sc); | |
| 1973 return e; | |
| 1974 } | |
| 1975 } | |
| 1976 e = new DsymbolExp(loc, s); | |
| 1977 } | |
| 1978 return e->semantic(sc); | |
| 1979 } | |
| 1980 error("undefined identifier %s", ident->toChars()); | |
| 1981 type = Type::terror; | |
| 1982 return this; | |
| 1983 } | |
| 1984 | |
| 1985 char *IdentifierExp::toChars() | |
| 1986 { | |
| 1987 return ident->toChars(); | |
| 1988 } | |
| 1989 | |
| 1990 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1991 { | |
| 1992 if (hgs->hdrgen) | |
| 1993 buf->writestring(ident->toHChars2()); | |
| 1994 else | |
| 1995 buf->writestring(ident->toChars()); | |
| 1996 } | |
| 1997 | |
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1998 #if DMDV2 |
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1999 int IdentifierExp::isLvalue() |
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2000 { |
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2001 return 1; |
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2002 } |
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2003 #endif |
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2004 |
| 159 | 2005 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2006 { | |
| 2007 #if 0 | |
| 2008 tym = tybasic(e1->ET->Tty); | |
| 2009 if (!(tyscalar(tym) || | |
| 2010 tym == TYstruct || | |
| 2011 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2012 synerr(EM_lvalue); // lvalue expected | |
| 2013 #endif | |
| 2014 return this; | |
| 2015 } | |
| 2016 | |
| 2017 /******************************** DollarExp **************************/ | |
| 2018 | |
| 2019 DollarExp::DollarExp(Loc loc) | |
| 2020 : IdentifierExp(loc, Id::dollar) | |
| 2021 { | |
| 2022 } | |
| 2023 | |
| 2024 /******************************** DsymbolExp **************************/ | |
| 2025 | |
| 2026 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2027 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2028 { | |
| 2029 this->s = s; | |
| 2030 } | |
| 2031 | |
| 2032 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2033 { | |
| 2034 #if LOGSEMANTIC | |
| 2035 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2036 #endif | |
| 2037 | |
| 2038 Lagain: | |
| 2039 EnumMember *em; | |
| 2040 Expression *e; | |
| 2041 VarDeclaration *v; | |
| 2042 FuncDeclaration *f; | |
| 2043 FuncLiteralDeclaration *fld; | |
| 2044 Declaration *d; | |
| 2045 ClassDeclaration *cd; | |
| 2046 ClassDeclaration *thiscd = NULL; | |
| 2047 Import *imp; | |
| 2048 Package *pkg; | |
| 2049 Type *t; | |
| 2050 | |
| 2051 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2052 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2053 if (type) | |
| 2054 return this; | |
| 2055 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2056 checkDeprecated(sc, s); | |
| 2057 s = s->toAlias(); | |
| 2058 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2059 if (!s->isFuncDeclaration()) | |
| 2060 checkDeprecated(sc, s); | |
| 2061 | |
| 2062 if (sc->func) | |
| 2063 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2064 | |
| 2065 // BUG: This should happen after overload resolution for functions, not before | |
| 2066 if (s->needThis()) | |
| 2067 { | |
|
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|
2068 if (hasThis(sc) |
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|
2069 #if DMDV2 |
|
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|
2070 && !s->isFuncDeclaration() |
|
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|
2071 #endif |
|
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|
2072 ) |
| 159 | 2073 { |
| 2074 // Supply an implicit 'this', as in | |
| 2075 // this.ident | |
| 2076 | |
| 2077 DotVarExp *de; | |
| 2078 | |
| 2079 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2080 return de->semantic(sc); | |
| 2081 } | |
| 2082 } | |
| 2083 | |
| 2084 em = s->isEnumMember(); | |
| 2085 if (em) | |
| 2086 { | |
| 2087 e = em->value->copy(); | |
| 2088 e = e->semantic(sc); | |
| 2089 return e; | |
| 2090 } | |
| 2091 v = s->isVarDeclaration(); | |
| 2092 if (v) | |
| 2093 { | |
| 2094 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2095 if (!type) | |
| 2096 { type = v->type; | |
| 2097 if (!v->type) | |
| 2098 { error("forward reference of %s", v->toChars()); | |
| 2099 type = Type::terror; | |
| 2100 } | |
| 2101 } | |
| 2102 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2103 { | |
| 2104 if (v->init) | |
| 2105 { | |
| 2106 if (v->inuse) | |
| 2107 { | |
| 2108 error("circular reference to '%s'", v->toChars()); | |
| 2109 type = Type::tint32; | |
| 2110 return this; | |
| 2111 } | |
| 2112 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2113 if (ei) | |
| 2114 { | |
| 2115 e = ei->exp->copy(); // make copy so we can change loc | |
| 2116 if (e->op == TOKstring || !e->type) | |
| 2117 e = e->semantic(sc); | |
| 2118 e = e->implicitCastTo(sc, type); | |
| 2119 e->loc = loc; | |
| 2120 return e; | |
| 2121 } | |
| 2122 } | |
| 2123 else | |
| 2124 { | |
| 2125 e = type->defaultInit(); | |
| 2126 e->loc = loc; | |
| 2127 return e; | |
| 2128 } | |
| 2129 } | |
| 2130 e = new VarExp(loc, v); | |
| 2131 e->type = type; | |
| 2132 e = e->semantic(sc); | |
| 2133 return e->deref(); | |
| 2134 } | |
| 2135 fld = s->isFuncLiteralDeclaration(); | |
| 2136 if (fld) | |
| 2137 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2138 e = new FuncExp(loc, fld); | |
| 2139 return e->semantic(sc); | |
| 2140 } | |
| 2141 f = s->isFuncDeclaration(); | |
| 2142 if (f) | |
| 2143 { //printf("'%s' is a function\n", f->toChars()); | |
| 2144 return new VarExp(loc, f); | |
| 2145 } | |
| 2146 cd = s->isClassDeclaration(); | |
| 2147 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2148 { | |
| 2149 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2150 DotTypeExp *dte; | |
| 2151 | |
| 2152 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2153 return dte->semantic(sc); | |
| 2154 } | |
| 2155 imp = s->isImport(); | |
| 2156 if (imp) | |
| 2157 { | |
|
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diff
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|
2158 if (!imp->pkg) |
|
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diff
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|
2159 { error("forward reference of import %s", imp->toChars()); |
|
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Merged DMD 1.042.
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|
2160 return this; |
|
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Merged DMD 1.042.
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parents:
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diff
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|
2161 } |
|
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Merged DMD 1.042.
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diff
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|
2162 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2163 return ie->semantic(sc); |
| 2164 } | |
| 2165 pkg = s->isPackage(); | |
| 2166 if (pkg) | |
| 2167 { | |
| 2168 ScopeExp *ie; | |
| 2169 | |
| 2170 ie = new ScopeExp(loc, pkg); | |
| 2171 return ie->semantic(sc); | |
| 2172 } | |
| 2173 Module *mod = s->isModule(); | |
| 2174 if (mod) | |
| 2175 { | |
| 2176 ScopeExp *ie; | |
| 2177 | |
| 2178 ie = new ScopeExp(loc, mod); | |
| 2179 return ie->semantic(sc); | |
| 2180 } | |
| 2181 | |
| 2182 t = s->getType(); | |
| 2183 if (t) | |
| 2184 { | |
| 2185 return new TypeExp(loc, t); | |
| 2186 } | |
| 2187 | |
| 2188 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2189 if (tup) | |
| 2190 { | |
| 2191 e = new TupleExp(loc, tup); | |
| 2192 e = e->semantic(sc); | |
| 2193 return e; | |
| 2194 } | |
| 2195 | |
| 2196 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2197 if (ti && !global.errors) | |
| 2198 { if (!ti->semanticdone) | |
| 2199 ti->semantic(sc); | |
| 2200 s = ti->inst->toAlias(); | |
| 2201 if (!s->isTemplateInstance()) | |
| 2202 goto Lagain; | |
| 2203 e = new ScopeExp(loc, ti); | |
| 2204 e = e->semantic(sc); | |
| 2205 return e; | |
| 2206 } | |
| 2207 | |
| 2208 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2209 if (td) | |
| 2210 { | |
| 2211 e = new TemplateExp(loc, td); | |
| 2212 e = e->semantic(sc); | |
| 2213 return e; | |
| 2214 } | |
| 2215 | |
| 2216 Lerr: | |
| 2217 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2218 type = Type::terror; | |
| 2219 return this; | |
| 2220 } | |
| 2221 | |
| 2222 char *DsymbolExp::toChars() | |
| 2223 { | |
| 2224 return s->toChars(); | |
| 2225 } | |
| 2226 | |
| 2227 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2228 { | |
| 2229 buf->writestring(s->toChars()); | |
| 2230 } | |
| 2231 | |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
2232 #if DMDV2 |
|
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diff
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|
2233 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
2234 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2235 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2236 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2237 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2238 |
| 159 | 2239 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2240 { | |
| 2241 #if 0 | |
| 2242 tym = tybasic(e1->ET->Tty); | |
| 2243 if (!(tyscalar(tym) || | |
| 2244 tym == TYstruct || | |
| 2245 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2246 synerr(EM_lvalue); // lvalue expected | |
| 2247 #endif | |
| 2248 return this; | |
| 2249 } | |
| 2250 | |
| 2251 /******************************** ThisExp **************************/ | |
| 2252 | |
| 2253 ThisExp::ThisExp(Loc loc) | |
| 2254 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2255 { | |
| 2256 var = NULL; | |
| 2257 } | |
| 2258 | |
| 2259 Expression *ThisExp::semantic(Scope *sc) | |
| 2260 { FuncDeclaration *fd; | |
| 2261 FuncDeclaration *fdthis; | |
| 2262 int nested = 0; | |
| 2263 | |
| 2264 #if LOGSEMANTIC | |
| 2265 printf("ThisExp::semantic()\n"); | |
| 2266 #endif | |
| 2267 if (type) | |
| 2268 { //assert(global.errors || var); | |
| 2269 return this; | |
| 2270 } | |
| 2271 | |
| 2272 /* Special case for typeof(this) and typeof(super) since both | |
| 2273 * should work even if they are not inside a non-static member function | |
| 2274 */ | |
| 2275 if (sc->intypeof) | |
| 2276 { | |
| 2277 // Find enclosing struct or class | |
| 2278 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2279 { | |
| 2280 ClassDeclaration *cd; | |
| 2281 StructDeclaration *sd; | |
| 2282 | |
| 2283 if (!s) | |
| 2284 { | |
| 2285 error("%s is not in a struct or class scope", toChars()); | |
| 2286 goto Lerr; | |
| 2287 } | |
| 2288 cd = s->isClassDeclaration(); | |
| 2289 if (cd) | |
| 2290 { | |
| 2291 type = cd->type; | |
| 2292 return this; | |
| 2293 } | |
| 2294 sd = s->isStructDeclaration(); | |
| 2295 if (sd) | |
| 2296 { | |
| 2297 type = sd->type->pointerTo(); | |
| 2298 return this; | |
| 2299 } | |
| 2300 } | |
| 2301 } | |
| 2302 | |
| 2303 fdthis = sc->parent->isFuncDeclaration(); | |
| 2304 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2305 if (!fd) | |
| 2306 goto Lerr; | |
| 2307 | |
| 2308 assert(fd->vthis); | |
| 2309 var = fd->vthis; | |
| 2310 assert(var->parent); | |
| 2311 type = var->type; | |
| 2312 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2313 #if 0 | |
| 2314 if (fd != fdthis) // if nested | |
| 2315 { | |
| 2316 fdthis->getLevel(loc, fd); | |
| 2317 fd->vthis->nestedref = 1; | |
| 2318 fd->nestedFrameRef = 1; | |
| 2319 } | |
| 2320 #endif | |
| 336 | 2321 if (!sc->intypeof) |
| 2322 sc->callSuper |= CSXthis; | |
| 159 | 2323 return this; |
| 2324 | |
| 2325 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
|
2326 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
|
2327 type = Type::terror; |
| 159 | 2328 return this; |
| 2329 } | |
| 2330 | |
| 2331 int ThisExp::isBool(int result) | |
| 2332 { | |
| 2333 return result ? TRUE : FALSE; | |
| 2334 } | |
| 2335 | |
| 2336 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2337 { | |
| 2338 buf->writestring("this"); | |
| 2339 } | |
| 2340 | |
|
875
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Merged DMD 1.038
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diff
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|
2341 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2342 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2343 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2344 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2345 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2347 |
| 159 | 2348 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2349 { | |
| 2350 return this; | |
| 2351 } | |
| 2352 | |
| 2353 /******************************** SuperExp **************************/ | |
| 2354 | |
| 2355 SuperExp::SuperExp(Loc loc) | |
| 2356 : ThisExp(loc) | |
| 2357 { | |
| 2358 op = TOKsuper; | |
| 2359 } | |
| 2360 | |
| 2361 Expression *SuperExp::semantic(Scope *sc) | |
| 2362 { FuncDeclaration *fd; | |
| 2363 FuncDeclaration *fdthis; | |
| 2364 ClassDeclaration *cd; | |
| 2365 Dsymbol *s; | |
| 2366 | |
| 2367 #if LOGSEMANTIC | |
| 2368 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2369 #endif | |
| 2370 if (type) | |
| 2371 return this; | |
| 2372 | |
| 2373 /* Special case for typeof(this) and typeof(super) since both | |
| 2374 * should work even if they are not inside a non-static member function | |
| 2375 */ | |
| 2376 if (sc->intypeof) | |
| 2377 { | |
| 2378 // Find enclosing class | |
| 2379 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2380 { | |
| 2381 ClassDeclaration *cd; | |
| 2382 | |
| 2383 if (!s) | |
| 2384 { | |
| 2385 error("%s is not in a class scope", toChars()); | |
| 2386 goto Lerr; | |
| 2387 } | |
| 2388 cd = s->isClassDeclaration(); | |
| 2389 if (cd) | |
| 2390 { | |
| 2391 cd = cd->baseClass; | |
| 2392 if (!cd) | |
| 2393 { error("class %s has no 'super'", s->toChars()); | |
| 2394 goto Lerr; | |
| 2395 } | |
| 2396 type = cd->type; | |
| 2397 return this; | |
| 2398 } | |
| 2399 } | |
| 2400 } | |
| 2401 | |
| 2402 fdthis = sc->parent->isFuncDeclaration(); | |
| 2403 fd = hasThis(sc); | |
| 2404 if (!fd) | |
| 2405 goto Lerr; | |
| 2406 assert(fd->vthis); | |
| 2407 var = fd->vthis; | |
| 2408 assert(var->parent); | |
| 2409 | |
| 2410 s = fd->toParent(); | |
| 2411 while (s && s->isTemplateInstance()) | |
| 2412 s = s->toParent(); | |
| 2413 assert(s); | |
| 2414 cd = s->isClassDeclaration(); | |
| 2415 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2416 if (!cd) | |
| 2417 goto Lerr; | |
| 2418 if (!cd->baseClass) | |
| 2419 { | |
| 2420 error("no base class for %s", cd->toChars()); | |
| 2421 type = fd->vthis->type; | |
| 2422 } | |
| 2423 else | |
| 2424 { | |
| 2425 type = cd->baseClass->type; | |
| 2426 } | |
| 2427 | |
| 2428 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2429 #if 0 | |
| 2430 if (fd != fdthis) | |
| 2431 { | |
| 2432 fdthis->getLevel(loc, fd); | |
| 2433 fd->vthis->nestedref = 1; | |
| 2434 fd->nestedFrameRef = 1; | |
| 2435 } | |
| 2436 #endif | |
| 2437 | |
| 336 | 2438 if (!sc->intypeof) |
| 2439 sc->callSuper |= CSXsuper; | |
| 159 | 2440 return this; |
| 2441 | |
| 2442 | |
| 2443 Lerr: | |
| 2444 error("'super' is only allowed in non-static class member functions"); | |
| 2445 type = Type::tint32; | |
| 2446 return this; | |
| 2447 } | |
| 2448 | |
| 2449 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2450 { | |
| 2451 buf->writestring("super"); | |
| 2452 } | |
| 2453 | |
| 2454 | |
| 2455 /******************************** NullExp **************************/ | |
| 2456 | |
| 2457 NullExp::NullExp(Loc loc) | |
| 2458 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2459 { | |
| 2460 committed = 0; | |
| 2461 } | |
| 2462 | |
| 2463 Expression *NullExp::semantic(Scope *sc) | |
| 2464 { | |
| 2465 #if LOGSEMANTIC | |
| 2466 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2467 #endif | |
| 2468 // NULL is the same as (void *)0 | |
| 2469 if (!type) | |
| 2470 type = Type::tvoid->pointerTo(); | |
| 2471 return this; | |
| 2472 } | |
| 2473 | |
| 2474 int NullExp::isBool(int result) | |
| 2475 { | |
| 2476 return result ? FALSE : TRUE; | |
| 2477 } | |
| 2478 | |
| 2479 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2480 { | |
| 2481 buf->writestring("null"); | |
| 2482 } | |
| 2483 | |
| 2484 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2485 { | |
| 2486 buf->writeByte('n'); | |
| 2487 } | |
| 2488 | |
| 2489 /******************************** StringExp **************************/ | |
| 2490 | |
| 2491 StringExp::StringExp(Loc loc, char *string) | |
| 2492 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2493 { | |
| 2494 this->string = string; | |
| 2495 this->len = strlen(string); | |
| 2496 this->sz = 1; | |
| 2497 this->committed = 0; | |
| 2498 this->postfix = 0; | |
| 2499 } | |
| 2500 | |
| 2501 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2502 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2503 { | |
| 2504 this->string = string; | |
| 2505 this->len = len; | |
| 2506 this->sz = 1; | |
| 2507 this->committed = 0; | |
| 2508 this->postfix = 0; | |
| 2509 } | |
| 2510 | |
| 2511 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2512 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2513 { | |
| 2514 this->string = string; | |
| 2515 this->len = len; | |
| 2516 this->sz = 1; | |
| 2517 this->committed = 0; | |
| 2518 this->postfix = postfix; | |
| 2519 } | |
| 2520 | |
| 2521 #if 0 | |
| 2522 Expression *StringExp::syntaxCopy() | |
| 2523 { | |
| 2524 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2525 return copy(); | |
| 2526 } | |
| 2527 #endif | |
| 2528 | |
| 2529 int StringExp::equals(Object *o) | |
| 2530 { | |
| 2531 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2532 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2533 { Expression *e = (Expression *)o; | |
| 2534 | |
| 2535 if (e->op == TOKstring) | |
| 2536 { | |
| 2537 return compare(o) == 0; | |
| 2538 } | |
| 2539 } | |
| 2540 return FALSE; | |
| 2541 } | |
| 2542 | |
| 2543 char *StringExp::toChars() | |
| 2544 { | |
| 2545 OutBuffer buf; | |
| 2546 HdrGenState hgs; | |
| 2547 char *p; | |
| 2548 | |
| 2549 memset(&hgs, 0, sizeof(hgs)); | |
| 2550 toCBuffer(&buf, &hgs); | |
| 2551 buf.writeByte(0); | |
| 2552 p = (char *)buf.data; | |
| 2553 buf.data = NULL; | |
| 2554 return p; | |
| 2555 } | |
| 2556 | |
| 2557 Expression *StringExp::semantic(Scope *sc) | |
| 2558 { | |
| 2559 #if LOGSEMANTIC | |
| 2560 printf("StringExp::semantic() %s\n", toChars()); | |
| 2561 #endif | |
| 2562 if (!type) | |
| 2563 { OutBuffer buffer; | |
| 2564 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2565 const char *p; |
| 159 | 2566 size_t u; |
| 2567 unsigned c; | |
| 2568 | |
| 2569 switch (postfix) | |
| 2570 { | |
| 2571 case 'd': | |
| 2572 for (u = 0; u < len;) | |
| 2573 { | |
| 2574 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2575 if (p) | |
| 2576 { error("%s", p); | |
| 2577 break; | |
| 2578 } | |
| 2579 else | |
| 2580 { buffer.write4(c); | |
| 2581 newlen++; | |
| 2582 } | |
| 2583 } | |
| 2584 buffer.write4(0); | |
| 2585 string = buffer.extractData(); | |
| 2586 len = newlen; | |
| 2587 sz = 4; | |
| 2588 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2589 committed = 1; | |
| 2590 break; | |
| 2591 | |
| 2592 case 'w': | |
| 2593 for (u = 0; u < len;) | |
| 2594 { | |
| 2595 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2596 if (p) | |
| 2597 { error("%s", p); | |
| 2598 break; | |
| 2599 } | |
| 2600 else | |
| 2601 { buffer.writeUTF16(c); | |
| 2602 newlen++; | |
| 2603 if (c >= 0x10000) | |
| 2604 newlen++; | |
| 2605 } | |
| 2606 } | |
| 2607 buffer.writeUTF16(0); | |
| 2608 string = buffer.extractData(); | |
| 2609 len = newlen; | |
| 2610 sz = 2; | |
| 2611 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2612 committed = 1; | |
| 2613 break; | |
| 2614 | |
| 2615 case 'c': | |
| 2616 committed = 1; | |
| 2617 default: | |
| 2618 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2619 break; | |
| 2620 } | |
| 2621 type = type->semantic(loc, sc); | |
| 2622 } | |
| 2623 return this; | |
| 2624 } | |
| 2625 | |
| 2626 /**************************************** | |
| 2627 * Convert string to char[]. | |
| 2628 */ | |
| 2629 | |
| 2630 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2631 { | |
| 2632 if (sz != 1) | |
| 2633 { // Convert to UTF-8 string | |
| 2634 committed = 0; | |
| 2635 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2636 e = e->optimize(WANTvalue); | |
| 2637 assert(e->op == TOKstring); | |
| 2638 StringExp *se = (StringExp *)e; | |
| 2639 assert(se->sz == 1); | |
| 2640 return se; | |
| 2641 } | |
| 2642 return this; | |
| 2643 } | |
| 2644 | |
| 2645 int StringExp::compare(Object *obj) | |
| 2646 { | |
| 2647 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2648 StringExp *se2 = (StringExp *)(obj); | |
| 2649 | |
| 2650 // This is a kludge so isExpression() in template.c will return 5 | |
| 2651 // for StringExp's. | |
| 2652 if (!se2) | |
| 2653 return 5; | |
| 2654 | |
| 2655 assert(se2->op == TOKstring); | |
| 2656 | |
| 2657 int len1 = len; | |
| 2658 int len2 = se2->len; | |
| 2659 | |
| 2660 if (len1 == len2) | |
| 2661 { | |
| 2662 switch (sz) | |
| 2663 { | |
| 2664 case 1: | |
| 2665 return strcmp((char *)string, (char *)se2->string); | |
| 2666 | |
| 2667 case 2: | |
| 2668 { unsigned u; | |
| 2669 d_wchar *s1 = (d_wchar *)string; | |
| 2670 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2671 | |
| 2672 for (u = 0; u < len; u++) | |
| 2673 { | |
| 2674 if (s1[u] != s2[u]) | |
| 2675 return s1[u] - s2[u]; | |
| 2676 } | |
| 2677 } | |
| 2678 | |
| 2679 case 4: | |
| 2680 { unsigned u; | |
| 2681 d_dchar *s1 = (d_dchar *)string; | |
| 2682 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2683 | |
| 2684 for (u = 0; u < len; u++) | |
| 2685 { | |
| 2686 if (s1[u] != s2[u]) | |
| 2687 return s1[u] - s2[u]; | |
| 2688 } | |
| 2689 } | |
| 2690 break; | |
| 2691 | |
| 2692 default: | |
| 2693 assert(0); | |
| 2694 } | |
| 2695 } | |
| 2696 return len1 - len2; | |
| 2697 } | |
| 2698 | |
| 2699 int StringExp::isBool(int result) | |
| 2700 { | |
| 2701 return result ? TRUE : FALSE; | |
| 2702 } | |
| 2703 | |
| 2704 unsigned StringExp::charAt(size_t i) | |
| 2705 { unsigned value; | |
| 2706 | |
| 2707 switch (sz) | |
| 2708 { | |
| 2709 case 1: | |
| 2710 value = ((unsigned char *)string)[i]; | |
| 2711 break; | |
| 2712 | |
| 2713 case 2: | |
| 2714 value = ((unsigned short *)string)[i]; | |
| 2715 break; | |
| 2716 | |
| 2717 case 4: | |
| 2718 value = ((unsigned int *)string)[i]; | |
| 2719 break; | |
| 2720 | |
| 2721 default: | |
| 2722 assert(0); | |
| 2723 break; | |
| 2724 } | |
| 2725 return value; | |
| 2726 } | |
| 2727 | |
| 2728 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2729 { | |
| 2730 buf->writeByte('"'); | |
| 2731 for (size_t i = 0; i < len; i++) | |
| 2732 { unsigned c = charAt(i); | |
| 2733 | |
| 2734 switch (c) | |
| 2735 { | |
| 2736 case '"': | |
| 2737 case '\\': | |
| 2738 if (!hgs->console) | |
| 2739 buf->writeByte('\\'); | |
| 2740 default: | |
| 2741 if (c <= 0xFF) | |
| 2742 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2743 buf->writeByte(c); | |
| 2744 else | |
| 2745 buf->printf("\\x%02x", c); | |
| 2746 } | |
| 2747 else if (c <= 0xFFFF) | |
| 2748 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2749 else | |
| 2750 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2751 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2752 break; | |
| 2753 } | |
| 2754 } | |
| 2755 buf->writeByte('"'); | |
| 2756 if (postfix) | |
| 2757 buf->writeByte(postfix); | |
| 2758 } | |
| 2759 | |
| 2760 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2761 { char m; | |
| 2762 OutBuffer tmp; | |
|
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diff
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|
2763 const char *p; |
| 159 | 2764 unsigned c; |
| 2765 size_t u; | |
| 2766 unsigned char *q; | |
| 2767 unsigned qlen; | |
| 2768 | |
| 2769 /* Write string in UTF-8 format | |
| 2770 */ | |
| 2771 switch (sz) | |
| 2772 { case 1: | |
| 2773 m = 'a'; | |
| 2774 q = (unsigned char *)string; | |
| 2775 qlen = len; | |
| 2776 break; | |
| 2777 case 2: | |
| 2778 m = 'w'; | |
| 2779 for (u = 0; u < len; ) | |
| 2780 { | |
| 2781 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2782 if (p) | |
| 2783 error("%s", p); | |
| 2784 else | |
| 2785 tmp.writeUTF8(c); | |
| 2786 } | |
| 2787 q = tmp.data; | |
| 2788 qlen = tmp.offset; | |
| 2789 break; | |
| 2790 case 4: | |
| 2791 m = 'd'; | |
| 2792 for (u = 0; u < len; u++) | |
| 2793 { | |
| 2794 c = ((unsigned *)string)[u]; | |
| 2795 if (!utf_isValidDchar(c)) | |
| 2796 error("invalid UCS-32 char \\U%08x", c); | |
| 2797 else | |
| 2798 tmp.writeUTF8(c); | |
| 2799 } | |
| 2800 q = tmp.data; | |
| 2801 qlen = tmp.offset; | |
| 2802 break; | |
| 2803 default: | |
| 2804 assert(0); | |
| 2805 } | |
| 2806 buf->writeByte(m); | |
| 2807 buf->printf("%d_", qlen); | |
| 2808 for (size_t i = 0; i < qlen; i++) | |
| 2809 buf->printf("%02x", q[i]); | |
| 2810 } | |
| 2811 | |
| 2812 /************************ ArrayLiteralExp ************************************/ | |
| 2813 | |
| 2814 // [ e1, e2, e3, ... ] | |
| 2815 | |
| 2816 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2817 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2818 { | |
| 2819 this->elements = elements; | |
| 2820 } | |
| 2821 | |
| 2822 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2823 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2824 { | |
| 2825 elements = new Expressions; | |
| 2826 elements->push(e); | |
| 2827 } | |
| 2828 | |
| 2829 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2830 { | |
| 2831 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2832 } | |
| 2833 | |
| 2834 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2835 { Expression *e; | |
| 2836 Type *t0 = NULL; | |
| 2837 | |
| 2838 #if LOGSEMANTIC | |
| 2839 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2840 #endif | |
| 2841 if (type) | |
| 2842 return this; | |
| 2843 | |
| 2844 // Run semantic() on each element | |
| 2845 for (int i = 0; i < elements->dim; i++) | |
| 2846 { e = (Expression *)elements->data[i]; | |
| 2847 e = e->semantic(sc); | |
| 2848 elements->data[i] = (void *)e; | |
| 2849 } | |
| 2850 expandTuples(elements); | |
| 2851 for (int i = 0; i < elements->dim; i++) | |
| 2852 { e = (Expression *)elements->data[i]; | |
| 2853 | |
| 2854 if (!e->type) | |
| 2855 error("%s has no value", e->toChars()); | |
| 2856 e = resolveProperties(sc, e); | |
| 2857 | |
| 2858 unsigned char committed = 1; | |
| 2859 if (e->op == TOKstring) | |
| 2860 committed = ((StringExp *)e)->committed; | |
| 2861 | |
| 2862 if (!t0) | |
| 2863 { t0 = e->type; | |
| 2864 // Convert any static arrays to dynamic arrays | |
| 2865 if (t0->ty == Tsarray) | |
| 2866 { | |
|
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diff
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|
2867 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2868 e = e->implicitCastTo(sc, t0); |
| 2869 } | |
| 2870 } | |
| 2871 else | |
| 2872 e = e->implicitCastTo(sc, t0); | |
| 2873 if (!committed && e->op == TOKstring) | |
| 2874 { StringExp *se = (StringExp *)e; | |
| 2875 se->committed = 0; | |
| 2876 } | |
| 2877 elements->data[i] = (void *)e; | |
| 2878 } | |
| 2879 | |
| 2880 if (!t0) | |
| 2881 t0 = Type::tvoid; | |
| 2882 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2883 type = type->semantic(loc, sc); | |
| 2884 return this; | |
| 2885 } | |
| 2886 | |
| 2887 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2888 { int f = 0; | |
| 2889 | |
| 2890 for (size_t i = 0; i < elements->dim; i++) | |
| 2891 { Expression *e = (Expression *)elements->data[i]; | |
| 2892 | |
| 2893 f |= e->checkSideEffect(2); | |
| 2894 } | |
| 2895 if (flag == 0 && f == 0) | |
| 2896 Expression::checkSideEffect(0); | |
| 2897 return f; | |
| 2898 } | |
| 2899 | |
| 2900 int ArrayLiteralExp::isBool(int result) | |
| 2901 { | |
| 2902 size_t dim = elements ? elements->dim : 0; | |
| 2903 return result ? (dim != 0) : (dim == 0); | |
| 2904 } | |
| 2905 | |
|
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|
2906 #if DMDV2 |
|
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|
2907 int ArrayLiteralExp::canThrow() |
|
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diff
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|
2908 { |
|
330f999ade44
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diff
changeset
|
2909 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
2910 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2911 #endif |
|
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diff
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|
2912 |
| 159 | 2913 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2914 { | |
| 2915 buf->writeByte('['); | |
| 2916 argsToCBuffer(buf, elements, hgs); | |
| 2917 buf->writeByte(']'); | |
| 2918 } | |
| 2919 | |
| 2920 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2921 { | |
| 2922 size_t dim = elements ? elements->dim : 0; | |
| 2923 buf->printf("A%u", dim); | |
| 2924 for (size_t i = 0; i < dim; i++) | |
| 2925 { Expression *e = (Expression *)elements->data[i]; | |
| 2926 e->toMangleBuffer(buf); | |
| 2927 } | |
| 2928 } | |
| 2929 | |
| 2930 /************************ AssocArrayLiteralExp ************************************/ | |
| 2931 | |
| 2932 // [ key0 : value0, key1 : value1, ... ] | |
| 2933 | |
| 2934 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2935 Expressions *keys, Expressions *values) | |
| 2936 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2937 { | |
| 2938 assert(keys->dim == values->dim); | |
| 2939 this->keys = keys; | |
| 2940 this->values = values; | |
| 2941 } | |
| 2942 | |
| 2943 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2944 { | |
| 2945 return new AssocArrayLiteralExp(loc, | |
| 2946 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2947 } | |
| 2948 | |
| 2949 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2950 { Expression *e; | |
| 2951 Type *tkey = NULL; | |
| 2952 Type *tvalue = NULL; | |
| 2953 | |
| 2954 #if LOGSEMANTIC | |
| 2955 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2956 #endif | |
| 2957 | |
| 2958 // Run semantic() on each element | |
| 2959 for (size_t i = 0; i < keys->dim; i++) | |
| 2960 { Expression *key = (Expression *)keys->data[i]; | |
| 2961 Expression *value = (Expression *)values->data[i]; | |
| 2962 | |
| 2963 key = key->semantic(sc); | |
| 2964 value = value->semantic(sc); | |
| 2965 | |
| 2966 keys->data[i] = (void *)key; | |
| 2967 values->data[i] = (void *)value; | |
| 2968 } | |
| 2969 expandTuples(keys); | |
| 2970 expandTuples(values); | |
| 2971 if (keys->dim != values->dim) | |
| 2972 { | |
| 2973 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2974 keys->setDim(0); | |
| 2975 values->setDim(0); | |
| 2976 } | |
| 2977 for (size_t i = 0; i < keys->dim; i++) | |
| 2978 { Expression *key = (Expression *)keys->data[i]; | |
| 2979 Expression *value = (Expression *)values->data[i]; | |
| 2980 | |
| 2981 if (!key->type) | |
| 2982 error("%s has no value", key->toChars()); | |
| 2983 if (!value->type) | |
| 2984 error("%s has no value", value->toChars()); | |
| 2985 key = resolveProperties(sc, key); | |
| 2986 value = resolveProperties(sc, value); | |
| 2987 | |
| 2988 if (!tkey) | |
| 2989 tkey = key->type; | |
| 2990 else | |
| 2991 key = key->implicitCastTo(sc, tkey); | |
| 2992 keys->data[i] = (void *)key; | |
| 2993 | |
| 2994 if (!tvalue) | |
| 2995 tvalue = value->type; | |
| 2996 else | |
| 2997 value = value->implicitCastTo(sc, tvalue); | |
| 2998 values->data[i] = (void *)value; | |
| 2999 } | |
| 3000 | |
| 3001 if (!tkey) | |
| 3002 tkey = Type::tvoid; | |
| 3003 if (!tvalue) | |
| 3004 tvalue = Type::tvoid; | |
| 3005 type = new TypeAArray(tvalue, tkey); | |
| 3006 type = type->semantic(loc, sc); | |
| 3007 return this; | |
| 3008 } | |
| 3009 | |
| 3010 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3011 { int f = 0; | |
| 3012 | |
| 3013 for (size_t i = 0; i < keys->dim; i++) | |
| 3014 { Expression *key = (Expression *)keys->data[i]; | |
| 3015 Expression *value = (Expression *)values->data[i]; | |
| 3016 | |
| 3017 f |= key->checkSideEffect(2); | |
| 3018 f |= value->checkSideEffect(2); | |
| 3019 } | |
| 3020 if (flag == 0 && f == 0) | |
| 3021 Expression::checkSideEffect(0); | |
| 3022 return f; | |
| 3023 } | |
| 3024 | |
| 3025 int AssocArrayLiteralExp::isBool(int result) | |
| 3026 { | |
| 3027 size_t dim = keys->dim; | |
| 3028 return result ? (dim != 0) : (dim == 0); | |
| 3029 } | |
| 3030 | |
|
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3031 #if DMDV2 |
|
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|
3032 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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3033 { |
|
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|
3034 return 1; |
|
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diff
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|
3035 } |
|
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|
3036 #endif |
|
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diff
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|
3037 |
| 159 | 3038 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3039 { | |
| 3040 buf->writeByte('['); | |
| 3041 for (size_t i = 0; i < keys->dim; i++) | |
| 3042 { Expression *key = (Expression *)keys->data[i]; | |
| 3043 Expression *value = (Expression *)values->data[i]; | |
| 3044 | |
| 3045 if (i) | |
| 3046 buf->writeByte(','); | |
| 3047 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3048 buf->writeByte(':'); | |
| 3049 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3050 } | |
| 3051 buf->writeByte(']'); | |
| 3052 } | |
| 3053 | |
| 3054 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3055 { | |
| 3056 size_t dim = keys->dim; | |
| 3057 buf->printf("A%u", dim); | |
| 3058 for (size_t i = 0; i < dim; i++) | |
| 3059 { Expression *key = (Expression *)keys->data[i]; | |
| 3060 Expression *value = (Expression *)values->data[i]; | |
| 3061 | |
| 3062 key->toMangleBuffer(buf); | |
| 3063 value->toMangleBuffer(buf); | |
| 3064 } | |
| 3065 } | |
| 3066 | |
| 3067 /************************ StructLiteralExp ************************************/ | |
| 3068 | |
| 3069 // sd( e1, e2, e3, ... ) | |
| 3070 | |
| 3071 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3072 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3073 { | |
| 3074 this->sd = sd; | |
| 3075 this->elements = elements; | |
|
1146
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diff
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|
3076 #if IN_DMD |
| 159 | 3077 this->sym = NULL; |
|
1146
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diff
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|
3078 #endif |
| 159 | 3079 this->soffset = 0; |
| 3080 this->fillHoles = 1; | |
| 3081 } | |
| 3082 | |
| 3083 Expression *StructLiteralExp::syntaxCopy() | |
| 3084 { | |
| 3085 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3086 } | |
| 3087 | |
| 3088 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3089 { Expression *e; | |
| 3090 | |
| 3091 #if LOGSEMANTIC | |
| 3092 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3093 #endif | |
|
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diff
changeset
|
3094 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3095 return this; |
| 159 | 3096 |
| 3097 // Run semantic() on each element | |
| 3098 for (size_t i = 0; i < elements->dim; i++) | |
| 3099 { e = (Expression *)elements->data[i]; | |
| 3100 if (!e) | |
| 3101 continue; | |
| 3102 e = e->semantic(sc); | |
| 3103 elements->data[i] = (void *)e; | |
| 3104 } | |
| 3105 expandTuples(elements); | |
| 3106 size_t offset = 0; | |
| 3107 for (size_t i = 0; i < elements->dim; i++) | |
| 3108 { e = (Expression *)elements->data[i]; | |
| 3109 if (!e) | |
| 3110 continue; | |
| 3111 | |
| 3112 if (!e->type) | |
| 3113 error("%s has no value", e->toChars()); | |
| 3114 e = resolveProperties(sc, e); | |
| 3115 if (i >= sd->fields.dim) | |
| 3116 { error("more initializers than fields of %s", sd->toChars()); | |
| 3117 break; | |
| 3118 } | |
| 3119 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3120 VarDeclaration *v = s->isVarDeclaration(); | |
| 3121 assert(v); | |
| 3122 if (v->offset < offset) | |
| 3123 error("overlapping initialization for %s", v->toChars()); | |
| 3124 offset = v->offset + v->type->size(); | |
| 3125 | |
| 3126 Type *telem = v->type; | |
| 3127 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3128 { /* Static array initialization, as in: | |
| 3129 * T[3][5] = e; | |
| 3130 */ | |
| 3131 telem = telem->toBasetype()->nextOf(); | |
| 3132 } | |
| 3133 | |
| 3134 e = e->implicitCastTo(sc, telem); | |
| 3135 | |
| 3136 elements->data[i] = (void *)e; | |
| 3137 } | |
| 3138 | |
| 3139 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3140 */ | |
| 3141 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3142 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3143 VarDeclaration *v = s->isVarDeclaration(); | |
| 3144 assert(v); | |
| 3145 | |
| 3146 if (v->offset < offset) | |
| 3147 { e = NULL; | |
| 3148 sd->hasUnions = 1; | |
| 3149 } | |
| 3150 else | |
| 3151 { | |
| 3152 if (v->init) | |
| 3153 { e = v->init->toExpression(); | |
| 3154 if (!e) | |
| 3155 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3156 } | |
| 3157 else | |
| 3158 { e = v->type->defaultInit(); | |
| 3159 e->loc = loc; | |
| 3160 } | |
| 3161 offset = v->offset + v->type->size(); | |
| 3162 } | |
| 3163 elements->push(e); | |
| 3164 } | |
| 3165 | |
| 3166 type = sd->type; | |
| 3167 return this; | |
| 3168 } | |
| 3169 | |
| 3170 /************************************** | |
| 3171 * Gets expression at offset of type. | |
| 3172 * Returns NULL if not found. | |
| 3173 */ | |
| 3174 | |
| 3175 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3176 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3177 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3178 // /*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
|
3179 Expression *e = NULL; |
| 159 | 3180 int i = getFieldIndex(type, offset); |
| 3181 | |
| 3182 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3183 { |
|
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3184 //printf("\ti = %d\n", i); |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3185 assert(i < elements->dim); |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3186 e = (Expression *)elements->data[i]; |
| 159 | 3187 if (e) |
| 3188 { | |
| 3189 e = e->copy(); | |
| 3190 e->type = type; | |
| 3191 } | |
| 3192 } | |
| 3193 return e; | |
| 3194 } | |
| 3195 | |
| 3196 /************************************ | |
| 3197 * Get index of field. | |
| 3198 * Returns -1 if not found. | |
| 3199 */ | |
| 3200 | |
| 3201 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3202 { | |
| 3203 /* Find which field offset is by looking at the field offsets | |
| 3204 */ | |
| 3205 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3206 { | |
| 3207 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3208 VarDeclaration *v = s->isVarDeclaration(); | |
| 3209 assert(v); | |
| 3210 | |
| 3211 if (offset == v->offset && | |
| 3212 type->size() == v->type->size()) | |
| 3213 { Expression *e = (Expression *)elements->data[i]; | |
| 3214 if (e) | |
| 3215 { | |
| 3216 return i; | |
| 3217 } | |
| 3218 break; | |
| 3219 } | |
| 3220 } | |
| 3221 return -1; | |
| 3222 } | |
| 3223 | |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
3224 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3225 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3226 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3227 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3228 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3229 #endif |
| 159 | 3230 |
|
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
|
3231 /* |
|
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
|
3232 Removed in LDC. See declaration. |
| 159 | 3233 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) |
| 3234 { | |
| 3235 return this; | |
| 3236 } | |
|
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
|
3237 */ |
| 159 | 3238 |
| 3239 | |
| 3240 int StructLiteralExp::checkSideEffect(int flag) | |
| 3241 { int f = 0; | |
| 3242 | |
| 3243 for (size_t i = 0; i < elements->dim; i++) | |
| 3244 { Expression *e = (Expression *)elements->data[i]; | |
| 3245 if (!e) | |
| 3246 continue; | |
| 3247 | |
| 3248 f |= e->checkSideEffect(2); | |
| 3249 } | |
| 3250 if (flag == 0 && f == 0) | |
| 3251 Expression::checkSideEffect(0); | |
| 3252 return f; | |
| 3253 } | |
| 3254 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3255 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3256 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3257 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3258 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3259 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3260 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3261 |
| 159 | 3262 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3263 { | |
| 3264 buf->writestring(sd->toChars()); | |
| 3265 buf->writeByte('('); | |
| 3266 argsToCBuffer(buf, elements, hgs); | |
| 3267 buf->writeByte(')'); | |
| 3268 } | |
| 3269 | |
| 3270 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3271 { | |
| 3272 size_t dim = elements ? elements->dim : 0; | |
| 3273 buf->printf("S%u", dim); | |
| 3274 for (size_t i = 0; i < dim; i++) | |
| 3275 { Expression *e = (Expression *)elements->data[i]; | |
| 3276 if (e) | |
| 3277 e->toMangleBuffer(buf); | |
| 3278 else | |
| 3279 buf->writeByte('v'); // 'v' for void | |
| 3280 } | |
| 3281 } | |
| 3282 | |
| 3283 /************************ TypeDotIdExp ************************************/ | |
| 3284 | |
| 3285 /* Things like: | |
| 3286 * int.size | |
| 3287 * foo.size | |
| 3288 * (foo).size | |
| 3289 * cast(foo).size | |
| 3290 */ | |
| 3291 | |
| 3292 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3293 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3294 { | |
| 3295 this->type = type; | |
| 3296 this->ident = ident; | |
| 3297 } | |
| 3298 | |
| 3299 Expression *TypeDotIdExp::syntaxCopy() | |
| 3300 { | |
| 3301 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3302 return te; | |
| 3303 } | |
| 3304 | |
| 3305 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3306 { Expression *e; | |
| 3307 | |
| 3308 #if LOGSEMANTIC | |
| 3309 printf("TypeDotIdExp::semantic()\n"); | |
| 3310 #endif | |
| 3311 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3312 e = e->semantic(sc); | |
| 3313 return e; | |
| 3314 } | |
| 3315 | |
| 3316 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3317 { | |
| 3318 buf->writeByte('('); | |
| 3319 type->toCBuffer(buf, NULL, hgs); | |
| 3320 buf->writeByte(')'); | |
| 3321 buf->writeByte('.'); | |
| 3322 buf->writestring(ident->toChars()); | |
| 3323 } | |
| 3324 | |
| 3325 /************************************************************/ | |
| 3326 | |
| 3327 // Mainly just a placeholder | |
| 3328 | |
| 3329 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3330 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3331 { | |
| 3332 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3333 this->type = type; | |
| 3334 } | |
| 3335 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3336 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3337 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3338 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3339 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3340 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3341 |
| 159 | 3342 Expression *TypeExp::semantic(Scope *sc) |
| 3343 { | |
| 3344 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3345 type = type->semantic(loc, sc); | |
| 3346 return this; | |
| 3347 } | |
| 3348 | |
| 3349 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3350 { | |
| 3351 type->toCBuffer(buf, NULL, hgs); | |
| 3352 } | |
| 3353 | |
| 3354 /************************************************************/ | |
| 3355 | |
| 3356 // Mainly just a placeholder | |
| 3357 | |
| 3358 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3359 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3360 { | |
| 3361 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3362 //static int count; if (++count == 38) *(char*)0=0; | |
| 3363 this->sds = pkg; | |
| 3364 } | |
| 3365 | |
| 3366 Expression *ScopeExp::syntaxCopy() | |
| 3367 { | |
| 3368 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3369 return se; | |
| 3370 } | |
| 3371 | |
| 3372 Expression *ScopeExp::semantic(Scope *sc) | |
| 3373 { | |
| 3374 TemplateInstance *ti; | |
| 3375 ScopeDsymbol *sds2; | |
| 3376 | |
| 3377 #if LOGSEMANTIC | |
| 3378 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3379 #endif | |
| 3380 Lagain: | |
| 3381 ti = sds->isTemplateInstance(); | |
| 3382 if (ti && !global.errors) | |
| 3383 { Dsymbol *s; | |
| 3384 if (!ti->semanticdone) | |
| 3385 ti->semantic(sc); | |
| 3386 s = ti->inst->toAlias(); | |
| 3387 sds2 = s->isScopeDsymbol(); | |
| 3388 if (!sds2) | |
| 3389 { Expression *e; | |
| 3390 | |
| 3391 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3392 if (ti->withsym) | |
| 3393 { | |
| 3394 // Same as wthis.s | |
| 3395 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3396 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3397 } | |
| 3398 else | |
| 3399 e = new DsymbolExp(loc, s); | |
| 3400 e = e->semantic(sc); | |
| 3401 //printf("-1ScopeExp::semantic()\n"); | |
| 3402 return e; | |
| 3403 } | |
| 3404 if (sds2 != sds) | |
| 3405 { | |
| 3406 sds = sds2; | |
| 3407 goto Lagain; | |
| 3408 } | |
| 3409 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3410 } | |
| 3411 else | |
| 3412 { | |
| 3413 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3414 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3415 sds->semantic(sc); | |
| 3416 } | |
| 3417 type = Type::tvoid; | |
| 3418 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3419 return this; | |
| 3420 } | |
| 3421 | |
| 3422 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3423 { | |
| 3424 if (sds->isTemplateInstance()) | |
| 3425 { | |
| 3426 sds->toCBuffer(buf, hgs); | |
| 3427 } | |
| 3428 else | |
| 3429 { | |
| 3430 buf->writestring(sds->kind()); | |
| 3431 buf->writestring(" "); | |
| 3432 buf->writestring(sds->toChars()); | |
| 3433 } | |
| 3434 } | |
| 3435 | |
| 3436 /********************** TemplateExp **************************************/ | |
| 3437 | |
| 3438 // Mainly just a placeholder | |
| 3439 | |
| 3440 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3441 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3442 { | |
| 3443 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3444 this->td = td; | |
| 3445 } | |
| 3446 | |
| 3447 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3448 { | |
| 3449 buf->writestring(td->toChars()); | |
| 3450 } | |
| 3451 | |
| 3452 void TemplateExp::rvalue() | |
| 3453 { | |
| 3454 error("template %s has no value", toChars()); | |
| 3455 } | |
| 3456 | |
| 3457 /********************** NewExp **************************************/ | |
| 3458 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3459 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3460 |
| 159 | 3461 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3462 Type *newtype, Expressions *arguments) | |
| 3463 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3464 { | |
| 3465 this->thisexp = thisexp; | |
| 3466 this->newargs = newargs; | |
| 3467 this->newtype = newtype; | |
| 3468 this->arguments = arguments; | |
| 3469 member = NULL; | |
| 3470 allocator = NULL; | |
| 3471 onstack = 0; | |
| 3472 } | |
| 3473 | |
| 3474 Expression *NewExp::syntaxCopy() | |
| 3475 { | |
| 3476 return new NewExp(loc, | |
| 3477 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3478 arraySyntaxCopy(newargs), | |
| 3479 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3480 } | |
| 3481 | |
| 3482 | |
| 3483 Expression *NewExp::semantic(Scope *sc) | |
| 3484 { int i; | |
| 3485 Type *tb; | |
| 3486 ClassDeclaration *cdthis = NULL; | |
| 3487 | |
| 3488 #if LOGSEMANTIC | |
| 3489 printf("NewExp::semantic() %s\n", toChars()); | |
| 3490 if (thisexp) | |
| 3491 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3492 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3493 #endif | |
| 3494 if (type) // if semantic() already run | |
| 3495 return this; | |
| 3496 | |
| 3497 Lagain: | |
| 3498 if (thisexp) | |
| 3499 { thisexp = thisexp->semantic(sc); | |
| 3500 cdthis = thisexp->type->isClassHandle(); | |
| 3501 if (cdthis) | |
| 3502 { | |
| 3503 sc = sc->push(cdthis); | |
| 3504 type = newtype->semantic(loc, sc); | |
| 3505 sc = sc->pop(); | |
| 3506 } | |
| 3507 else | |
| 3508 { | |
| 3509 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3510 type = newtype->semantic(loc, sc); | |
| 3511 } | |
| 3512 } | |
| 3513 else | |
| 3514 type = newtype->semantic(loc, sc); | |
| 3515 newtype = type; // in case type gets cast to something else | |
| 3516 tb = type->toBasetype(); | |
| 3517 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3518 | |
| 3519 arrayExpressionSemantic(newargs, sc); | |
| 3520 preFunctionArguments(loc, sc, newargs); | |
| 3521 arrayExpressionSemantic(arguments, sc); | |
| 3522 preFunctionArguments(loc, sc, arguments); | |
| 3523 | |
| 3524 if (thisexp && tb->ty != Tclass) | |
| 3525 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3526 | |
| 3527 if (tb->ty == Tclass) | |
| 3528 { TypeFunction *tf; | |
| 3529 | |
| 3530 TypeClass *tc = (TypeClass *)(tb); | |
| 3531 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3532 if (cd->isInterfaceDeclaration()) | |
| 3533 error("cannot create instance of interface %s", cd->toChars()); | |
| 3534 else if (cd->isAbstract()) | |
| 3535 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3536 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3537 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3538 if (fd && fd->isAbstract()) | |
| 3539 error("function %s is abstract", fd->toChars()); | |
| 3540 } | |
| 3541 } | |
| 3542 checkDeprecated(sc, cd); | |
| 3543 if (cd->isNested()) | |
| 3544 { /* We need a 'this' pointer for the nested class. | |
| 3545 * Ensure we have the right one. | |
| 3546 */ | |
| 3547 Dsymbol *s = cd->toParent2(); | |
| 3548 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
|
3549 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3550 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3551 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3552 if (cdn) |
| 3553 { | |
| 3554 if (!cdthis) | |
| 3555 { | |
| 3556 // Supply an implicit 'this' and try again | |
| 3557 thisexp = new ThisExp(loc); | |
| 3558 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3559 { if (!sp) | |
| 3560 { | |
| 3561 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3562 break; | |
| 3563 } | |
| 3564 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3565 if (!cdp) | |
| 3566 continue; | |
| 3567 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3568 break; | |
| 3569 // Add a '.outer' and try again | |
| 3570 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3571 } | |
| 3572 if (!global.errors) | |
| 3573 goto Lagain; | |
| 3574 } | |
| 3575 if (cdthis) | |
| 3576 { | |
| 3577 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3578 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3579 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3580 } | |
| 3581 #if 0 | |
| 3582 else | |
| 3583 { | |
| 3584 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3585 { | |
| 3586 if (!sf) | |
| 3587 { | |
| 3588 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3589 break; | |
| 3590 } | |
| 3591 printf("sf = %s\n", sf->toChars()); | |
| 3592 AggregateDeclaration *ad = sf->isThis(); | |
| 3593 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3594 break; | |
| 3595 } | |
| 3596 } | |
| 3597 #endif | |
| 3598 } | |
| 3599 else if (thisexp) | |
| 3600 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
|
3601 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
|
3602 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3603 // 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
|
3604 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
|
3605 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3606 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
|
3607 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3608 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
|
3609 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
|
3610 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3611 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
|
3612 break; |
|
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 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3616 } |
| 159 | 3617 } |
| 3618 else if (thisexp) | |
| 3619 error("e.new is only for allocating nested classes"); | |
| 3620 | |
| 3621 FuncDeclaration *f = cd->ctor; | |
| 3622 if (f) | |
| 3623 { | |
| 3624 assert(f); | |
| 3625 f = f->overloadResolve(loc, arguments); | |
| 3626 checkDeprecated(sc, f); | |
| 3627 member = f->isCtorDeclaration(); | |
| 3628 assert(member); | |
| 3629 | |
| 3630 cd->accessCheck(loc, sc, member); | |
| 3631 | |
| 3632 tf = (TypeFunction *)f->type; | |
| 3633 type = tf->next; | |
| 3634 | |
| 3635 if (!arguments) | |
| 3636 arguments = new Expressions(); | |
| 3637 functionArguments(loc, sc, tf, arguments); | |
| 3638 } | |
| 3639 else | |
| 3640 { | |
| 3641 if (arguments && arguments->dim) | |
| 3642 error("no constructor for %s", cd->toChars()); | |
| 3643 } | |
| 3644 | |
| 3645 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3646 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3647 // 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
|
3648 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3649 if (!newargs) |
| 3650 newargs = new Expressions(); | |
| 3651 newargs->shift(e); | |
| 3652 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3653 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3654 allocator = f->isNewDeclaration(); |
| 3655 assert(allocator); | |
| 3656 | |
| 3657 tf = (TypeFunction *)f->type; | |
| 3658 functionArguments(loc, sc, tf, newargs); | |
| 3659 } | |
| 3660 else | |
| 3661 { | |
| 3662 if (newargs && newargs->dim) | |
| 3663 error("no allocator for %s", cd->toChars()); | |
| 3664 } | |
| 3665 } | |
| 3666 else if (tb->ty == Tstruct) | |
| 3667 { | |
| 3668 TypeStruct *ts = (TypeStruct *)tb; | |
| 3669 StructDeclaration *sd = ts->sym; | |
| 3670 FuncDeclaration *f = sd->aggNew; | |
| 3671 TypeFunction *tf; | |
| 3672 | |
| 3673 if (arguments && arguments->dim) | |
| 3674 error("no constructor for %s", type->toChars()); | |
| 3675 | |
| 3676 if (f) | |
| 3677 { | |
| 3678 Expression *e; | |
| 3679 | |
| 3680 // Prepend the uint size argument to newargs[] | |
| 3681 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3682 if (!newargs) | |
| 3683 newargs = new Expressions(); | |
| 3684 newargs->shift(e); | |
| 3685 | |
| 3686 f = f->overloadResolve(loc, newargs); | |
| 3687 allocator = f->isNewDeclaration(); | |
| 3688 assert(allocator); | |
| 3689 | |
| 3690 tf = (TypeFunction *)f->type; | |
| 3691 functionArguments(loc, sc, tf, newargs); | |
| 3692 | |
| 3693 e = new VarExp(loc, f); | |
| 3694 e = new CallExp(loc, e, newargs); | |
| 3695 e = e->semantic(sc); | |
| 3696 e->type = type->pointerTo(); | |
| 3697 return e; | |
| 3698 } | |
| 3699 | |
| 3700 type = type->pointerTo(); | |
| 3701 } | |
| 3702 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3703 { | |
| 3704 for (size_t i = 0; i < arguments->dim; i++) | |
| 3705 { | |
| 3706 if (tb->ty != Tarray) | |
| 3707 { error("too many arguments for array"); | |
| 3708 arguments->dim = i; | |
| 3709 break; | |
| 3710 } | |
| 3711 | |
| 3712 Expression *arg = (Expression *)arguments->data[i]; | |
| 3713 arg = resolveProperties(sc, arg); | |
| 3714 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3715 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3716 error("negative array index %s", arg->toChars()); | |
| 3717 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
|
3718 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3719 } |
| 3720 } | |
| 3721 else if (tb->isscalar()) | |
| 3722 { | |
| 3723 if (arguments && arguments->dim) | |
| 3724 error("no constructor for %s", type->toChars()); | |
| 3725 | |
| 3726 type = type->pointerTo(); | |
| 3727 } | |
| 3728 else | |
| 3729 { | |
| 3730 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3731 type = type->pointerTo(); | |
| 3732 } | |
| 3733 | |
| 3734 //printf("NewExp: '%s'\n", toChars()); | |
| 3735 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3736 | |
| 3737 return this; | |
| 3738 } | |
| 3739 | |
| 3740 int NewExp::checkSideEffect(int flag) | |
| 3741 { | |
| 3742 return 1; | |
| 3743 } | |
| 3744 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3745 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3747 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3748 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3749 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3750 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3751 |
| 159 | 3752 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3753 { int i; | |
| 3754 | |
| 3755 if (thisexp) | |
| 3756 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3757 buf->writeByte('.'); | |
| 3758 } | |
| 3759 buf->writestring("new "); | |
| 3760 if (newargs && newargs->dim) | |
| 3761 { | |
| 3762 buf->writeByte('('); | |
| 3763 argsToCBuffer(buf, newargs, hgs); | |
| 3764 buf->writeByte(')'); | |
| 3765 } | |
| 3766 newtype->toCBuffer(buf, NULL, hgs); | |
| 3767 if (arguments && arguments->dim) | |
| 3768 { | |
| 3769 buf->writeByte('('); | |
| 3770 argsToCBuffer(buf, arguments, hgs); | |
| 3771 buf->writeByte(')'); | |
| 3772 } | |
| 3773 } | |
| 3774 | |
| 3775 /********************** NewAnonClassExp **************************************/ | |
| 3776 | |
| 3777 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3778 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3779 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3780 { | |
| 3781 this->thisexp = thisexp; | |
| 3782 this->newargs = newargs; | |
| 3783 this->cd = cd; | |
| 3784 this->arguments = arguments; | |
| 3785 } | |
| 3786 | |
| 3787 Expression *NewAnonClassExp::syntaxCopy() | |
| 3788 { | |
| 3789 return new NewAnonClassExp(loc, | |
| 3790 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3791 arraySyntaxCopy(newargs), | |
| 3792 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3793 arraySyntaxCopy(arguments)); | |
| 3794 } | |
| 3795 | |
| 3796 | |
| 3797 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3798 { | |
| 3799 #if LOGSEMANTIC | |
| 3800 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3801 //printf("thisexp = %p\n", thisexp); |
| 159 | 3802 //printf("type: %s\n", type->toChars()); |
| 3803 #endif | |
| 3804 | |
| 3805 Expression *d = new DeclarationExp(loc, cd); | |
| 3806 d = d->semantic(sc); | |
| 3807 | |
| 3808 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3809 | |
| 3810 Expression *c = new CommaExp(loc, d, n); | |
| 3811 return c->semantic(sc); | |
| 3812 } | |
| 3813 | |
| 3814 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3815 { | |
| 3816 return 1; | |
| 3817 } | |
| 3818 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3819 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3820 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3821 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3822 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3823 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3824 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3825 |
| 159 | 3826 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3827 { int i; | |
| 3828 | |
| 3829 if (thisexp) | |
| 3830 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3831 buf->writeByte('.'); | |
| 3832 } | |
| 3833 buf->writestring("new"); | |
| 3834 if (newargs && newargs->dim) | |
| 3835 { | |
| 3836 buf->writeByte('('); | |
| 3837 argsToCBuffer(buf, newargs, hgs); | |
| 3838 buf->writeByte(')'); | |
| 3839 } | |
| 3840 buf->writestring(" class "); | |
| 3841 if (arguments && arguments->dim) | |
| 3842 { | |
| 3843 buf->writeByte('('); | |
| 3844 argsToCBuffer(buf, arguments, hgs); | |
| 3845 buf->writeByte(')'); | |
| 3846 } | |
| 3847 //buf->writestring(" { }"); | |
| 3848 if (cd) | |
| 3849 { | |
| 3850 cd->toCBuffer(buf, hgs); | |
| 3851 } | |
| 3852 } | |
| 3853 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3854 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3855 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3856 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3857 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
|
3858 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3859 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3863 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3864 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3865 |
| 159 | 3866 /********************** SymOffExp **************************************/ |
| 3867 | |
| 3868 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3869 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3870 { | |
| 3871 assert(var); | |
| 3872 this->var = var; | |
| 3873 this->offset = offset; | |
| 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); | |
| 3885 if (!type) | |
| 3886 type = var->type->pointerTo(); | |
| 3887 VarDeclaration *v = var->isVarDeclaration(); | |
| 3888 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3889 v->checkNestedReference(sc, loc); |
| 159 | 3890 return this; |
| 3891 } | |
| 3892 | |
| 3893 int SymOffExp::isBool(int result) | |
| 3894 { | |
| 3895 return result ? TRUE : FALSE; | |
| 3896 } | |
| 3897 | |
| 3898 void SymOffExp::checkEscape() | |
| 3899 { | |
| 3900 VarDeclaration *v = var->isVarDeclaration(); | |
| 3901 if (v) | |
| 3902 { | |
| 3903 if (!v->isDataseg()) | |
| 3904 error("escaping reference to local variable %s", v->toChars()); | |
| 3905 } | |
| 3906 } | |
| 3907 | |
| 3908 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3909 { | |
| 3910 if (offset) | |
| 3911 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3912 else | |
| 3913 buf->printf("& %s", var->toChars()); | |
| 3914 } | |
| 3915 | |
| 3916 /******************************** VarExp **************************/ | |
| 3917 | |
| 3918 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3919 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3920 { | |
| 3921 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3922 this->var = var; | |
| 3923 this->type = var->type; | |
| 3924 } | |
| 3925 | |
| 3926 int VarExp::equals(Object *o) | |
| 3927 { VarExp *ne; | |
| 3928 | |
| 3929 if (this == o || | |
| 3930 (((Expression *)o)->op == TOKvar && | |
| 3931 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3932 var == ne->var)) | |
| 3933 return 1; | |
| 3934 return 0; | |
| 3935 } | |
| 3936 | |
| 3937 Expression *VarExp::semantic(Scope *sc) | |
| 3938 { FuncLiteralDeclaration *fd; | |
| 3939 | |
| 3940 #if LOGSEMANTIC | |
| 3941 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3942 #endif | |
| 3943 if (!type) | |
| 3944 { type = var->type; | |
| 3945 #if 0 | |
| 3946 if (var->storage_class & STClazy) | |
| 3947 { | |
| 3948 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3949 type = new TypeDelegate(tf); | |
| 3950 type = type->semantic(loc, sc); | |
| 3951 } | |
| 3952 #endif | |
| 3953 } | |
|
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|
3954 /* Fix for 1161 doesn't work because it causes protection |
|
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|
3955 * problems when instantiating imported templates passing private |
|
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diff
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|
3956 * variables as alias template parameters. |
|
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diff
changeset
|
3957 */ |
|
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|
3958 //accessCheck(loc, sc, NULL, var); |
| 159 | 3959 |
| 3960 VarDeclaration *v = var->isVarDeclaration(); | |
| 3961 if (v) | |
| 3962 { | |
| 3963 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3964 { | |
| 3965 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3966 if (ei) | |
| 3967 { | |
| 3968 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3969 return ei->exp->implicitCastTo(sc, type); | |
| 3970 } | |
| 3971 } | |
| 3972 v->checkNestedReference(sc, loc); | |
|
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|
3973 #if DMDV2 |
|
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Merged DMD 1.038
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|
3974 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
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Merged DMD 1.038
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parents:
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|
3975 { |
|
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parents:
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diff
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|
3976 if (v->isDataseg() && !v->isInvariant()) |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3977 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:
846
diff
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|
3978 } |
|
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Merged DMD 1.038
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parents:
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diff
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|
3979 #endif |
| 159 | 3980 } |
| 3981 #if 0 | |
| 3982 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3983 { Expression *e; | |
| 3984 e = new FuncExp(loc, fd); | |
| 3985 e->type = type; | |
| 3986 return e; | |
| 3987 } | |
| 3988 #endif | |
| 3989 return this; | |
| 3990 } | |
| 3991 | |
| 3992 char *VarExp::toChars() | |
| 3993 { | |
| 3994 return var->toChars(); | |
| 3995 } | |
| 3996 | |
| 3997 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3998 { | |
| 3999 buf->writestring(var->toChars()); | |
| 4000 } | |
| 4001 | |
| 4002 void VarExp::checkEscape() | |
| 4003 { | |
| 4004 VarDeclaration *v = var->isVarDeclaration(); | |
| 4005 if (v) | |
| 4006 { Type *tb = v->type->toBasetype(); | |
| 4007 // if reference type | |
| 4008 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4009 { | |
| 4010 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4011 error("escaping reference to auto local %s", v->toChars()); | |
| 4012 else if (v->storage_class & STCvariadic) | |
| 4013 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4014 } | |
| 4015 } | |
| 4016 } | |
| 4017 | |
|
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|
4018 #if DMDV2 |
|
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Merged DMD 1.038
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|
4019 int VarExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
846
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|
4020 { |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4021 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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|
4022 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
4023 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
4024 } |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4025 #endif |
|
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Merged DMD 1.038
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diff
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|
4026 |
| 159 | 4027 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4028 { | |
| 4029 #if 0 | |
| 4030 tym = tybasic(e1->ET->Tty); | |
| 4031 if (!(tyscalar(tym) || | |
| 4032 tym == TYstruct || | |
| 4033 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4034 synerr(EM_lvalue); // lvalue expected | |
| 4035 #endif | |
| 4036 if (var->storage_class & STClazy) | |
| 4037 error("lazy variables cannot be lvalues"); | |
| 4038 return this; | |
| 4039 } | |
| 4040 | |
| 4041 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4042 { | |
| 4043 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4044 if (sc->incontract && var->isParameter()) | |
| 4045 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4046 | |
| 4047 if (type && type->toBasetype()->ty == Tsarray) | |
| 4048 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4049 | |
| 4050 VarDeclaration *v = var->isVarDeclaration(); | |
| 4051 if (v && v->canassign == 0 && | |
| 4052 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4053 error("cannot modify final variable '%s'", var->toChars()); | |
| 4054 | |
| 4055 if (var->isCtorinit()) | |
| 4056 { // It's only modifiable if inside the right constructor | |
| 4057 Dsymbol *s = sc->func; | |
| 4058 while (1) | |
| 4059 { | |
| 4060 FuncDeclaration *fd = NULL; | |
| 4061 if (s) | |
| 4062 fd = s->isFuncDeclaration(); | |
| 4063 if (fd && | |
| 4064 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4065 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4066 fd->toParent() == var->toParent() | |
| 4067 ) | |
| 4068 { | |
| 4069 VarDeclaration *v = var->isVarDeclaration(); | |
| 4070 assert(v); | |
| 4071 v->ctorinit = 1; | |
| 4072 //printf("setting ctorinit\n"); | |
| 4073 } | |
| 4074 else | |
| 4075 { | |
| 4076 if (s) | |
| 4077 { s = s->toParent2(); | |
| 4078 continue; | |
| 4079 } | |
| 4080 else | |
| 4081 { | |
| 4082 const char *p = var->isStatic() ? "static " : ""; | |
| 4083 error("can only initialize %sconst %s inside %sconstructor", | |
| 4084 p, var->toChars(), p); | |
| 4085 } | |
| 4086 } | |
| 4087 break; | |
| 4088 } | |
| 4089 } | |
| 4090 | |
| 4091 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4092 return toLvalue(sc, e); | |
| 4093 } | |
| 4094 | |
| 4095 | |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4096 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4097 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4098 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4099 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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|
4100 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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diff
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|
4101 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4102 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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|
4103 vars = s; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4104 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
|
4105 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4106 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4107 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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|
4108 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4109 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
|
4110 } |
|
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 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
|
4113 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4114 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
|
4115 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4116 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4117 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4118 |
| 159 | 4119 /******************************** TupleExp **************************/ |
| 4120 | |
| 4121 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4122 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4123 { | |
| 4124 //printf("TupleExp(this = %p)\n", this); | |
| 4125 this->exps = exps; | |
| 4126 this->type = NULL; | |
| 4127 } | |
| 4128 | |
| 4129 | |
| 4130 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4131 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4132 { | |
| 4133 exps = new Expressions(); | |
| 4134 type = NULL; | |
| 4135 | |
| 4136 exps->reserve(tup->objects->dim); | |
| 4137 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4138 { Object *o = (Object *)tup->objects->data[i]; | |
| 4139 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4140 { | |
| 4141 Expression *e = (Expression *)o; | |
| 4142 e = e->syntaxCopy(); | |
| 4143 exps->push(e); | |
| 4144 } | |
| 4145 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4146 { | |
| 4147 Dsymbol *s = (Dsymbol *)o; | |
| 4148 Expression *e = new DsymbolExp(loc, s); | |
| 4149 exps->push(e); | |
| 4150 } | |
| 4151 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4152 { | |
| 4153 Type *t = (Type *)o; | |
| 4154 Expression *e = new TypeExp(loc, t); | |
| 4155 exps->push(e); | |
| 4156 } | |
| 4157 else | |
| 4158 { | |
| 4159 error("%s is not an expression", o->toChars()); | |
| 4160 } | |
| 4161 } | |
| 4162 } | |
| 4163 | |
| 4164 int TupleExp::equals(Object *o) | |
| 4165 { TupleExp *ne; | |
| 4166 | |
| 4167 if (this == o) | |
| 4168 return 1; | |
| 4169 if (((Expression *)o)->op == TOKtuple) | |
| 4170 { | |
| 4171 TupleExp *te = (TupleExp *)o; | |
| 4172 if (exps->dim != te->exps->dim) | |
| 4173 return 0; | |
| 4174 for (size_t i = 0; i < exps->dim; i++) | |
| 4175 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4176 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4177 | |
| 4178 if (!e1->equals(e2)) | |
| 4179 return 0; | |
| 4180 } | |
| 4181 return 1; | |
| 4182 } | |
| 4183 return 0; | |
| 4184 } | |
| 4185 | |
| 4186 Expression *TupleExp::syntaxCopy() | |
| 4187 { | |
| 4188 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4189 } | |
| 4190 | |
| 4191 Expression *TupleExp::semantic(Scope *sc) | |
| 4192 { | |
| 4193 #if LOGSEMANTIC | |
| 4194 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4195 #endif | |
| 4196 if (type) | |
| 4197 return this; | |
| 4198 | |
| 4199 // Run semantic() on each argument | |
| 4200 for (size_t i = 0; i < exps->dim; i++) | |
| 4201 { Expression *e = (Expression *)exps->data[i]; | |
| 4202 | |
| 4203 e = e->semantic(sc); | |
| 4204 if (!e->type) | |
| 4205 { error("%s has no value", e->toChars()); | |
| 4206 e->type = Type::terror; | |
| 4207 } | |
| 4208 exps->data[i] = (void *)e; | |
| 4209 } | |
| 4210 | |
| 4211 expandTuples(exps); | |
| 4212 if (0 && exps->dim == 1) | |
| 4213 { | |
| 4214 return (Expression *)exps->data[0]; | |
| 4215 } | |
| 4216 type = new TypeTuple(exps); | |
| 4217 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4218 return this; | |
| 4219 } | |
| 4220 | |
| 4221 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4222 { | |
| 4223 buf->writestring("tuple("); | |
| 4224 argsToCBuffer(buf, exps, hgs); | |
| 4225 buf->writeByte(')'); | |
| 4226 } | |
| 4227 | |
| 4228 int TupleExp::checkSideEffect(int flag) | |
| 4229 { int f = 0; | |
| 4230 | |
| 4231 for (int i = 0; i < exps->dim; i++) | |
| 4232 { Expression *e = (Expression *)exps->data[i]; | |
| 4233 | |
| 4234 f |= e->checkSideEffect(2); | |
| 4235 } | |
| 4236 if (flag == 0 && f == 0) | |
| 4237 Expression::checkSideEffect(0); | |
| 4238 return f; | |
| 4239 } | |
| 4240 | |
|
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|
4241 #if DMDV2 |
|
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Merged DMD 1.038
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|
4242 int TupleExp::canThrow() |
|
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|
4243 { |
|
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diff
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|
4244 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
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846
diff
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|
4245 } |
|
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|
4246 #endif |
|
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|
4247 |
| 159 | 4248 void TupleExp::checkEscape() |
| 4249 { | |
| 4250 for (size_t i = 0; i < exps->dim; i++) | |
| 4251 { Expression *e = (Expression *)exps->data[i]; | |
| 4252 e->checkEscape(); | |
| 4253 } | |
| 4254 } | |
| 4255 | |
| 4256 /******************************** FuncExp *********************************/ | |
| 4257 | |
| 4258 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4259 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4260 { | |
| 4261 this->fd = fd; | |
| 4262 } | |
| 4263 | |
| 4264 Expression *FuncExp::syntaxCopy() | |
| 4265 { | |
| 4266 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4267 } | |
| 4268 | |
| 4269 Expression *FuncExp::semantic(Scope *sc) | |
| 4270 { | |
| 4271 #if LOGSEMANTIC | |
| 4272 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4273 #endif | |
| 4274 if (!type) | |
| 4275 { | |
| 4276 fd->semantic(sc); | |
| 4277 fd->parent = sc->parent; | |
| 4278 if (global.errors) | |
| 4279 { | |
| 4280 if (!fd->type->next) | |
| 4281 fd->type->next = Type::terror; | |
| 4282 } | |
| 4283 else | |
| 4284 { | |
| 4285 fd->semantic2(sc); | |
| 4286 if (!global.errors) | |
| 4287 { | |
| 4288 fd->semantic3(sc); | |
| 4289 | |
| 4290 if (!global.errors && global.params.useInline) | |
| 4291 fd->inlineScan(); | |
| 4292 } | |
| 4293 } | |
| 4294 | |
| 4295 // Type is a "delegate to" or "pointer to" the function literal | |
| 4296 if (fd->isNested()) | |
| 4297 { | |
| 4298 type = new TypeDelegate(fd->type); | |
| 4299 type = type->semantic(loc, sc); | |
| 4300 } | |
| 4301 else | |
| 4302 { | |
| 4303 type = fd->type->pointerTo(); | |
| 4304 } | |
| 4305 } | |
| 4306 return this; | |
| 4307 } | |
| 4308 | |
| 4309 char *FuncExp::toChars() | |
| 4310 { | |
| 4311 return fd->toChars(); | |
| 4312 } | |
| 4313 | |
| 4314 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4315 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4316 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4317 //buf->writestring(fd->toChars()); |
| 159 | 4318 } |
| 4319 | |
| 4320 | |
| 4321 /******************************** DeclarationExp **************************/ | |
| 4322 | |
| 4323 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4324 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4325 { | |
| 4326 this->declaration = declaration; | |
| 4327 } | |
| 4328 | |
| 4329 Expression *DeclarationExp::syntaxCopy() | |
| 4330 { | |
| 4331 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4332 } | |
| 4333 | |
| 4334 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4335 { | |
| 4336 if (type) | |
| 4337 return this; | |
| 4338 | |
| 4339 #if LOGSEMANTIC | |
| 4340 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4341 #endif | |
| 4342 | |
| 4343 /* This is here to support extern(linkage) declaration, | |
| 4344 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4345 * wrapper. | |
| 4346 */ | |
| 4347 Dsymbol *s = declaration; | |
| 4348 | |
| 4349 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4350 if (ad) | |
| 4351 { | |
| 4352 if (ad->decl && ad->decl->dim == 1) | |
| 4353 s = (Dsymbol *)ad->decl->data[0]; | |
| 4354 } | |
| 4355 | |
| 4356 if (s->isVarDeclaration()) | |
| 4357 { // Do semantic() on initializer first, so: | |
| 4358 // int a = a; | |
| 4359 // will be illegal. | |
| 4360 declaration->semantic(sc); | |
| 4361 s->parent = sc->parent; | |
| 4362 } | |
| 4363 | |
| 4364 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4365 // Insert into both local scope and function scope. | |
| 4366 // Must be unique in both. | |
| 4367 if (s->ident) | |
| 4368 { | |
| 4369 if (!sc->insert(s)) | |
| 4370 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4371 else if (sc->func) | |
| 4372 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4373 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4374 !sc->func->localsymtab->insert(s)) | |
| 4375 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4376 else if (!global.params.useDeprecated) | |
| 4377 { // Disallow shadowing | |
| 4378 | |
| 4379 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4380 { Dsymbol *s2; | |
| 4381 | |
| 4382 if (scx->scopesym && scx->scopesym->symtab && | |
| 4383 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4384 s != s2) | |
| 4385 { | |
| 4386 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4387 } | |
| 4388 } | |
| 4389 } | |
| 4390 } | |
| 4391 } | |
| 4392 if (!s->isVarDeclaration()) | |
| 4393 { | |
| 4394 declaration->semantic(sc); | |
| 4395 s->parent = sc->parent; | |
| 4396 } | |
| 4397 if (!global.errors) | |
| 4398 { | |
| 4399 declaration->semantic2(sc); | |
| 4400 if (!global.errors) | |
| 4401 { | |
| 4402 declaration->semantic3(sc); | |
| 4403 | |
| 4404 if (!global.errors && global.params.useInline) | |
| 4405 declaration->inlineScan(); | |
| 4406 } | |
| 4407 } | |
| 4408 | |
| 4409 type = Type::tvoid; | |
| 4410 return this; | |
| 4411 } | |
| 4412 | |
| 4413 int DeclarationExp::checkSideEffect(int flag) | |
| 4414 { | |
| 4415 return 1; | |
| 4416 } | |
| 4417 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4418 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4427 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4428 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4429 |
| 159 | 4430 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4431 { | |
| 4432 declaration->toCBuffer(buf, hgs); | |
| 4433 } | |
| 4434 | |
| 4435 | |
| 4436 /************************ TypeidExp ************************************/ | |
| 4437 | |
| 4438 /* | |
| 4439 * typeid(int) | |
| 4440 */ | |
| 4441 | |
| 4442 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4443 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4444 { | |
| 4445 this->typeidType = typeidType; | |
| 4446 } | |
| 4447 | |
| 4448 | |
| 4449 Expression *TypeidExp::syntaxCopy() | |
| 4450 { | |
| 4451 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4452 } | |
| 4453 | |
| 4454 | |
| 4455 Expression *TypeidExp::semantic(Scope *sc) | |
| 4456 { Expression *e; | |
| 4457 | |
| 4458 #if LOGSEMANTIC | |
| 4459 printf("TypeidExp::semantic()\n"); | |
| 4460 #endif | |
| 4461 typeidType = typeidType->semantic(loc, sc); | |
| 4462 e = typeidType->getTypeInfo(sc); | |
| 336 | 4463 if (e->loc.linnum == 0) |
| 4464 e->loc = loc; // so there's at least some line number info | |
| 159 | 4465 return e; |
| 4466 } | |
| 4467 | |
| 4468 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4469 { | |
| 4470 buf->writestring("typeid("); | |
| 4471 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4472 buf->writeByte(')'); | |
| 4473 } | |
| 4474 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4475 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4476 #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
|
4477 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 * __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
|
4479 */ |
|
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 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
|
4482 : 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
|
4483 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4484 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
|
4485 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
|
4486 } |
|
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 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
|
4490 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4491 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
|
4492 } |
|
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 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
|
4496 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4497 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
|
4498 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
|
4499 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
|
4500 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4501 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
|
4502 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4503 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
|
4504 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
|
4505 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
|
4506 } |
|
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 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
|
4509 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4510 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4511 |
| 159 | 4512 /************************************************************/ |
| 4513 | |
| 4514 HaltExp::HaltExp(Loc loc) | |
| 4515 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4516 { | |
| 4517 } | |
| 4518 | |
| 4519 Expression *HaltExp::semantic(Scope *sc) | |
| 4520 { | |
| 4521 #if LOGSEMANTIC | |
| 4522 printf("HaltExp::semantic()\n"); | |
| 4523 #endif | |
| 4524 type = Type::tvoid; | |
| 4525 return this; | |
| 4526 } | |
| 4527 | |
| 4528 int HaltExp::checkSideEffect(int flag) | |
| 4529 { | |
| 4530 return 1; | |
| 4531 } | |
| 4532 | |
| 4533 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4534 { | |
| 4535 buf->writestring("halt"); | |
| 4536 } | |
| 4537 | |
| 4538 /************************************************************/ | |
| 4539 | |
| 4540 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4541 Type *tspec, enum TOK tok2) | |
| 4542 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4543 { | |
| 4544 this->targ = targ; | |
| 4545 this->id = id; | |
| 4546 this->tok = tok; | |
| 4547 this->tspec = tspec; | |
| 4548 this->tok2 = tok2; | |
| 4549 } | |
| 4550 | |
| 4551 Expression *IsExp::syntaxCopy() | |
| 4552 { | |
| 4553 return new IsExp(loc, | |
| 4554 targ->syntaxCopy(), | |
| 4555 id, | |
| 4556 tok, | |
| 4557 tspec ? tspec->syntaxCopy() : NULL, | |
| 4558 tok2); | |
| 4559 } | |
| 4560 | |
| 4561 Expression *IsExp::semantic(Scope *sc) | |
| 4562 { Type *tded; | |
| 4563 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4564 /* 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
|
4565 * 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
|
4566 */ |
|
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 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4569 if (id && !(sc->flags & SCOPEstaticif)) |
| 4570 error("can only declare type aliases within static if conditionals"); | |
| 4571 | |
| 4572 unsigned errors_save = global.errors; | |
| 4573 global.errors = 0; | |
| 4574 global.gag++; // suppress printing of error messages | |
| 4575 targ = targ->semantic(loc, sc); | |
| 4576 global.gag--; | |
| 4577 unsigned gerrors = global.errors; | |
| 4578 global.errors = errors_save; | |
| 4579 | |
| 4580 if (gerrors) // if any errors happened | |
| 4581 { // then condition is false | |
| 4582 goto Lno; | |
| 4583 } | |
| 4584 else if (tok2 != TOKreserved) | |
| 4585 { | |
| 4586 switch (tok2) | |
| 4587 { | |
| 4588 case TOKtypedef: | |
| 4589 if (targ->ty != Ttypedef) | |
| 4590 goto Lno; | |
| 4591 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4592 break; | |
| 4593 | |
| 4594 case TOKstruct: | |
| 4595 if (targ->ty != Tstruct) | |
| 4596 goto Lno; | |
| 4597 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4598 goto Lno; | |
| 4599 tded = targ; | |
| 4600 break; | |
| 4601 | |
| 4602 case TOKunion: | |
| 4603 if (targ->ty != Tstruct) | |
| 4604 goto Lno; | |
| 4605 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4606 goto Lno; | |
| 4607 tded = targ; | |
| 4608 break; | |
| 4609 | |
| 4610 case TOKclass: | |
| 4611 if (targ->ty != Tclass) | |
| 4612 goto Lno; | |
| 4613 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4614 goto Lno; | |
| 4615 tded = targ; | |
| 4616 break; | |
| 4617 | |
| 4618 case TOKinterface: | |
| 4619 if (targ->ty != Tclass) | |
| 4620 goto Lno; | |
| 4621 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4622 goto Lno; | |
| 4623 tded = targ; | |
| 4624 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
|
4625 #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
|
4626 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
|
4627 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
|
4628 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
|
4629 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
|
4630 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4631 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4632 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4633 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
|
4634 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
|
4635 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
|
4636 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
|
4637 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4638 #endif |
| 159 | 4639 |
| 4640 case TOKsuper: | |
| 4641 // If class or interface, get the base class and interfaces | |
| 4642 if (targ->ty != Tclass) | |
| 4643 goto Lno; | |
| 4644 else | |
| 4645 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4646 Arguments *args = new Arguments; | |
| 4647 args->reserve(cd->baseclasses.dim); | |
| 4648 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4649 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4650 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4651 } | |
| 4652 tded = new TypeTuple(args); | |
| 4653 } | |
| 4654 break; | |
| 4655 | |
| 4656 case TOKenum: | |
| 4657 if (targ->ty != Tenum) | |
| 4658 goto Lno; | |
| 4659 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4660 break; | |
| 4661 | |
| 4662 case TOKdelegate: | |
| 4663 if (targ->ty != Tdelegate) | |
| 4664 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
|
4665 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4666 break; |
| 4667 | |
| 4668 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
|
4669 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4670 if (targ->ty != Tfunction) |
| 159 | 4671 goto Lno; |
| 4672 tded = targ; | |
| 4673 | |
| 4674 /* Generate tuple from function parameter types. | |
| 4675 */ | |
| 4676 assert(tded->ty == Tfunction); | |
| 4677 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4678 size_t dim = Argument::dim(params); | |
| 4679 Arguments *args = new Arguments; | |
| 4680 args->reserve(dim); | |
| 4681 for (size_t i = 0; i < dim; i++) | |
| 4682 { Argument *arg = Argument::getNth(params, i); | |
| 4683 assert(arg && arg->type); | |
| 4684 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4685 } | |
| 4686 tded = new TypeTuple(args); | |
| 4687 break; | |
| 4688 } | |
| 4689 case TOKreturn: | |
| 4690 /* Get the 'return type' for the function, | |
| 4691 * delegate, or pointer to function. | |
| 4692 */ | |
| 4693 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
|
4694 tded = ((TypeFunction *)targ)->next; |
| 159 | 4695 else if (targ->ty == Tdelegate) |
| 4696 tded = targ->next->next; | |
| 4697 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4698 tded = targ->next->next; | |
| 4699 else | |
| 4700 goto Lno; | |
| 4701 break; | |
| 4702 | |
| 4703 default: | |
| 4704 assert(0); | |
| 4705 } | |
| 4706 goto Lyes; | |
| 4707 } | |
| 4708 else if (id && tspec) | |
| 4709 { | |
| 4710 /* Evaluate to TRUE if targ matches tspec. | |
| 4711 * If TRUE, declare id as an alias for the specialized type. | |
| 4712 */ | |
| 4713 | |
| 4714 MATCH m; | |
| 4715 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4716 | |
| 4717 TemplateParameters parameters; | |
| 4718 parameters.setDim(1); | |
| 4719 parameters.data[0] = (void *)&tp; | |
| 4720 | |
| 4721 Objects dedtypes; | |
| 4722 dedtypes.setDim(1); | |
| 4723 dedtypes.data[0] = NULL; | |
| 4724 | |
| 4725 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4726 if (m == MATCHnomatch || | |
| 4727 (m != MATCHexact && tok == TOKequal)) | |
| 4728 goto Lno; | |
| 4729 else | |
| 4730 { | |
| 4731 assert(dedtypes.dim == 1); | |
| 4732 tded = (Type *)dedtypes.data[0]; | |
| 4733 if (!tded) | |
| 4734 tded = targ; | |
| 4735 goto Lyes; | |
| 4736 } | |
| 4737 } | |
| 4738 else if (id) | |
| 4739 { | |
| 4740 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4741 */ | |
| 4742 tded = targ; | |
| 4743 goto Lyes; | |
| 4744 } | |
| 4745 else if (tspec) | |
| 4746 { | |
| 4747 /* Evaluate to TRUE if targ matches tspec | |
| 4748 */ | |
| 4749 tspec = tspec->semantic(loc, sc); | |
| 4750 //printf("targ = %s\n", targ->toChars()); | |
| 4751 //printf("tspec = %s\n", tspec->toChars()); | |
| 4752 if (tok == TOKcolon) | |
| 4753 { if (targ->implicitConvTo(tspec)) | |
| 4754 goto Lyes; | |
| 4755 else | |
| 4756 goto Lno; | |
| 4757 } | |
| 4758 else /* == */ | |
| 4759 { if (targ->equals(tspec)) | |
| 4760 goto Lyes; | |
| 4761 else | |
| 4762 goto Lno; | |
| 4763 } | |
| 4764 } | |
| 4765 | |
| 4766 Lyes: | |
| 4767 if (id) | |
| 4768 { | |
| 4769 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4770 s->semantic(sc); | |
| 4771 sc->insert(s); | |
| 4772 if (sc->sd) | |
| 4773 s->addMember(sc, sc->sd, 1); | |
| 4774 } | |
| 4775 return new IntegerExp(1); | |
| 4776 | |
| 4777 Lno: | |
| 4778 return new IntegerExp(0); | |
| 4779 } | |
| 4780 | |
| 4781 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4782 { | |
| 4783 buf->writestring("is("); | |
| 4784 targ->toCBuffer(buf, id, hgs); | |
| 4785 if (tok2 != TOKreserved) | |
| 4786 { | |
| 4787 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4788 } | |
| 4789 else if (tspec) | |
| 4790 { | |
| 4791 if (tok == TOKcolon) | |
| 4792 buf->writestring(" : "); | |
| 4793 else | |
| 4794 buf->writestring(" == "); | |
| 4795 tspec->toCBuffer(buf, NULL, hgs); | |
| 4796 } | |
| 336 | 4797 #if DMDV2 |
| 159 | 4798 if (parameters) |
| 4799 { // First parameter is already output, so start with second | |
| 4800 for (int i = 1; i < parameters->dim; i++) | |
| 4801 { | |
| 4802 buf->writeByte(','); | |
| 4803 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4804 tp->toCBuffer(buf, hgs); | |
| 4805 } | |
| 4806 } | |
| 4807 #endif | |
| 4808 buf->writeByte(')'); | |
| 4809 } | |
| 4810 | |
| 4811 | |
| 4812 /************************************************************/ | |
| 4813 | |
| 4814 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4815 : Expression(loc, op, size) | |
| 4816 { | |
| 4817 this->e1 = e1; | |
| 4818 } | |
| 4819 | |
| 4820 Expression *UnaExp::syntaxCopy() | |
| 4821 { UnaExp *e; | |
| 4822 | |
| 4823 e = (UnaExp *)copy(); | |
| 4824 e->type = NULL; | |
| 4825 e->e1 = e->e1->syntaxCopy(); | |
| 4826 return e; | |
| 4827 } | |
| 4828 | |
| 4829 Expression *UnaExp::semantic(Scope *sc) | |
| 4830 { | |
| 4831 #if LOGSEMANTIC | |
| 4832 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4833 #endif | |
| 4834 e1 = e1->semantic(sc); | |
| 4835 // if (!e1->type) | |
| 4836 // error("%s has no value", e1->toChars()); | |
| 4837 return this; | |
| 4838 } | |
| 4839 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4840 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4841 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4842 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4843 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4844 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4845 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4846 |
| 159 | 4847 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4848 { | |
| 4849 buf->writestring(Token::toChars(op)); | |
| 4850 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4851 } | |
| 4852 | |
| 4853 /************************************************************/ | |
| 4854 | |
| 4855 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4856 : Expression(loc, op, size) | |
| 4857 { | |
| 4858 this->e1 = e1; | |
| 4859 this->e2 = e2; | |
| 4860 } | |
| 4861 | |
| 4862 Expression *BinExp::syntaxCopy() | |
| 4863 { BinExp *e; | |
| 4864 | |
| 4865 e = (BinExp *)copy(); | |
| 4866 e->type = NULL; | |
| 4867 e->e1 = e->e1->syntaxCopy(); | |
| 4868 e->e2 = e->e2->syntaxCopy(); | |
| 4869 return e; | |
| 4870 } | |
| 4871 | |
| 4872 Expression *BinExp::semantic(Scope *sc) | |
| 4873 { | |
| 4874 #if LOGSEMANTIC | |
| 4875 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4876 #endif | |
| 4877 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4878 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4879 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4880 { |
| 4881 error("%s has no value", e1->toChars()); | |
| 4882 e1->type = Type::terror; | |
| 4883 } | |
| 4884 e2 = e2->semantic(sc); | |
| 4885 if (!e2->type) | |
| 4886 { | |
| 4887 error("%s has no value", e2->toChars()); | |
| 4888 e2->type = Type::terror; | |
| 4889 } | |
| 4890 return this; | |
| 4891 } | |
| 4892 | |
| 4893 Expression *BinExp::semanticp(Scope *sc) | |
| 4894 { | |
| 4895 BinExp::semantic(sc); | |
| 4896 e1 = resolveProperties(sc, e1); | |
| 4897 e2 = resolveProperties(sc, e2); | |
| 4898 return this; | |
| 4899 } | |
| 4900 | |
| 4901 /*************************** | |
| 4902 * Common semantic routine for some xxxAssignExp's. | |
| 4903 */ | |
| 4904 | |
| 4905 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4906 { Expression *e; | |
| 4907 | |
| 4908 if (!type) | |
| 4909 { | |
| 4910 BinExp::semantic(sc); | |
| 4911 e2 = resolveProperties(sc, e2); | |
| 4912 | |
| 4913 e = op_overload(sc); | |
| 4914 if (e) | |
| 4915 return e; | |
| 4916 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4917 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
|
4918 { // 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
|
4919 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
|
4920 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
|
4921 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
|
4922 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4923 |
| 159 | 4924 e1 = e1->modifiableLvalue(sc, e1); |
| 4925 e1->checkScalar(); | |
| 4926 type = e1->type; | |
| 4927 if (type->toBasetype()->ty == Tbool) | |
| 4928 { | |
| 4929 error("operator not allowed on bool expression %s", toChars()); | |
| 4930 } | |
| 4931 typeCombine(sc); | |
| 4932 e1->checkArithmetic(); | |
| 4933 e2->checkArithmetic(); | |
| 4934 | |
| 4935 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4936 { error("cannot perform modulo complex arithmetic"); | |
| 4937 return new IntegerExp(0); | |
| 4938 } | |
| 4939 } | |
| 4940 return this; | |
| 4941 } | |
| 4942 | |
| 4943 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4944 { Expression *e; | |
| 4945 | |
| 4946 if (!type) | |
| 4947 { | |
| 4948 BinExp::semantic(sc); | |
| 4949 e2 = resolveProperties(sc, e2); | |
| 4950 | |
| 4951 e = op_overload(sc); | |
| 4952 if (e) | |
| 4953 return e; | |
| 4954 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4955 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
|
4956 { // 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
|
4957 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
|
4958 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
|
4959 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
|
4960 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4961 |
| 159 | 4962 e1 = e1->modifiableLvalue(sc, e1); |
| 4963 e1->checkScalar(); | |
| 4964 type = e1->type; | |
| 4965 if (type->toBasetype()->ty == Tbool) | |
| 4966 { | |
| 4967 e2 = e2->implicitCastTo(sc, type); | |
| 4968 } | |
| 4969 | |
| 4970 typeCombine(sc); | |
| 4971 e1->checkIntegral(); | |
| 4972 e2->checkIntegral(); | |
| 4973 } | |
| 4974 return this; | |
| 4975 } | |
| 4976 | |
| 4977 int BinExp::checkSideEffect(int flag) | |
| 4978 { | |
| 4979 if (op == TOKplusplus || | |
| 4980 op == TOKminusminus || | |
| 4981 op == TOKassign || | |
| 4982 op == TOKconstruct || | |
| 4983 op == TOKblit || | |
| 4984 op == TOKaddass || | |
| 4985 op == TOKminass || | |
| 4986 op == TOKcatass || | |
| 4987 op == TOKmulass || | |
| 4988 op == TOKdivass || | |
| 4989 op == TOKmodass || | |
| 4990 op == TOKshlass || | |
| 4991 op == TOKshrass || | |
| 4992 op == TOKushrass || | |
| 4993 op == TOKandass || | |
| 4994 op == TOKorass || | |
| 4995 op == TOKxorass || | |
| 4996 op == TOKin || | |
| 4997 op == TOKremove) | |
| 4998 return 1; | |
| 4999 return Expression::checkSideEffect(flag); | |
| 5000 } | |
| 5001 | |
| 5002 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5003 { | |
| 5004 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5005 buf->writeByte(' '); | |
| 5006 buf->writestring(Token::toChars(op)); | |
| 5007 buf->writeByte(' '); | |
| 5008 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5009 } | |
| 5010 | |
| 5011 int BinExp::isunsigned() | |
| 5012 { | |
| 5013 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5014 } | |
| 5015 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5016 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5017 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5018 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5019 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5020 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5021 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5022 |
| 159 | 5023 void BinExp::incompatibleTypes() |
| 5024 { | |
| 5025 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5026 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5027 e1->type->toChars(), e2->type->toChars()); | |
| 5028 } | |
| 5029 | |
| 5030 /************************************************************/ | |
| 5031 | |
| 5032 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5033 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5034 { | |
| 5035 } | |
| 5036 | |
| 5037 Expression *CompileExp::semantic(Scope *sc) | |
| 5038 { | |
| 5039 #if LOGSEMANTIC | |
| 5040 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5041 #endif | |
| 5042 UnaExp::semantic(sc); | |
| 5043 e1 = resolveProperties(sc, e1); | |
| 5044 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5045 if (e1->op != TOKstring) | |
| 5046 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5047 type = Type::terror; | |
| 5048 return this; | |
| 5049 } | |
| 5050 StringExp *se = (StringExp *)e1; | |
| 5051 se = se->toUTF8(sc); | |
| 5052 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5053 p.loc = loc; | |
| 5054 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5055 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5056 Expression *e = p.parseExpression(); |
| 5057 if (p.token.value != TOKeof) | |
| 5058 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5059 return e->semantic(sc); | |
| 5060 } | |
| 5061 | |
| 5062 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5063 { | |
| 5064 buf->writestring("mixin("); | |
| 5065 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5066 buf->writeByte(')'); | |
| 5067 } | |
| 5068 | |
| 5069 /************************************************************/ | |
| 5070 | |
| 5071 FileExp::FileExp(Loc loc, Expression *e) | |
| 5072 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5073 { | |
| 5074 } | |
| 5075 | |
| 5076 Expression *FileExp::semantic(Scope *sc) | |
| 5077 { char *name; | |
| 5078 StringExp *se; | |
| 5079 | |
| 5080 #if LOGSEMANTIC | |
| 5081 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5082 #endif | |
| 5083 UnaExp::semantic(sc); | |
| 5084 e1 = resolveProperties(sc, e1); | |
| 5085 e1 = e1->optimize(WANTvalue); | |
| 5086 if (e1->op != TOKstring) | |
| 5087 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5088 goto Lerror; | |
| 5089 } | |
| 5090 se = (StringExp *)e1; | |
| 5091 se = se->toUTF8(sc); | |
| 5092 name = (char *)se->string; | |
| 5093 | |
| 5094 if (!global.params.fileImppath) | |
| 5095 { error("need -Jpath switch to import text file %s", name); | |
| 5096 goto Lerror; | |
| 5097 } | |
| 5098 | |
| 5099 if (name != FileName::name(name)) | |
| 5100 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5101 goto Lerror; | |
| 5102 } | |
| 5103 | |
| 5104 name = FileName::searchPath(global.filePath, name, 0); | |
| 5105 if (!name) | |
| 5106 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5107 goto Lerror; | |
| 5108 } | |
| 5109 | |
| 5110 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5111 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5112 |
| 5113 { File f(name); | |
| 5114 if (f.read()) | |
| 5115 { error("cannot read file %s", f.toChars()); | |
| 5116 goto Lerror; | |
| 5117 } | |
| 5118 else | |
| 5119 { | |
| 5120 f.ref = 1; | |
| 5121 se = new StringExp(loc, f.buffer, f.len); | |
| 5122 } | |
| 5123 } | |
| 5124 Lret: | |
| 5125 return se->semantic(sc); | |
| 5126 | |
| 5127 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5128 se = new StringExp(loc, (char *)""); |
| 159 | 5129 goto Lret; |
| 5130 } | |
| 5131 | |
| 5132 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5133 { | |
| 5134 buf->writestring("import("); | |
| 5135 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5136 buf->writeByte(')'); | |
| 5137 } | |
| 5138 | |
| 5139 /************************************************************/ | |
| 5140 | |
| 5141 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5142 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5143 { | |
| 5144 this->msg = msg; | |
| 5145 } | |
| 5146 | |
| 5147 Expression *AssertExp::syntaxCopy() | |
| 5148 { | |
| 5149 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5150 msg ? msg->syntaxCopy() : NULL); | |
| 5151 return ae; | |
| 5152 } | |
| 5153 | |
| 5154 Expression *AssertExp::semantic(Scope *sc) | |
| 5155 { | |
| 5156 #if LOGSEMANTIC | |
| 5157 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5158 #endif | |
| 5159 UnaExp::semantic(sc); | |
| 5160 e1 = resolveProperties(sc, e1); | |
| 5161 // BUG: see if we can do compile time elimination of the Assert | |
| 5162 e1 = e1->optimize(WANTvalue); | |
| 5163 e1 = e1->checkToBoolean(); | |
| 5164 if (msg) | |
| 5165 { | |
| 5166 msg = msg->semantic(sc); | |
| 5167 msg = resolveProperties(sc, msg); | |
| 5168 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5169 msg = msg->optimize(WANTvalue); | |
| 5170 } | |
| 5171 if (e1->isBool(FALSE)) | |
| 5172 { | |
| 5173 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5174 fd->hasReturnExp |= 4; | |
| 5175 | |
| 5176 if (!global.params.useAssert) | |
| 5177 { Expression *e = new HaltExp(loc); | |
| 5178 e = e->semantic(sc); | |
| 5179 return e; | |
| 5180 } | |
| 5181 } | |
| 5182 type = Type::tvoid; | |
| 5183 return this; | |
| 5184 } | |
| 5185 | |
| 5186 int AssertExp::checkSideEffect(int flag) | |
| 5187 { | |
| 5188 return 1; | |
| 5189 } | |
| 5190 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5191 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5192 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5193 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5194 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5195 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5196 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5197 |
| 159 | 5198 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5199 { | |
| 5200 buf->writestring("assert("); | |
| 5201 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5202 if (msg) | |
| 5203 { | |
| 5204 buf->writeByte(','); | |
| 5205 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5206 } | |
| 5207 buf->writeByte(')'); | |
| 5208 } | |
| 5209 | |
| 5210 /************************************************************/ | |
| 5211 | |
| 5212 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5213 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5214 { | |
| 5215 this->ident = ident; | |
| 5216 } | |
| 5217 | |
| 5218 Expression *DotIdExp::semantic(Scope *sc) | |
| 5219 { Expression *e; | |
| 5220 Expression *eleft; | |
| 5221 Expression *eright; | |
| 5222 | |
| 5223 #if LOGSEMANTIC | |
| 5224 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5225 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5226 #endif | |
| 5227 | |
| 5228 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5229 | |
| 5230 #if 0 | |
| 5231 /* Don't do semantic analysis if we'll be converting | |
| 5232 * it to a string. | |
| 5233 */ | |
| 5234 if (ident == Id::stringof) | |
| 5235 { char *s = e1->toChars(); | |
| 5236 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5237 e = e->semantic(sc); | |
| 5238 return e; | |
| 5239 } | |
| 5240 #endif | |
| 5241 | |
| 5242 /* Special case: rewrite this.id and super.id | |
| 5243 * to be classtype.id and baseclasstype.id | |
| 5244 * if we have no this pointer. | |
| 5245 */ | |
| 5246 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5247 { ClassDeclaration *cd; | |
| 5248 StructDeclaration *sd; | |
| 5249 AggregateDeclaration *ad; | |
| 5250 | |
| 5251 ad = sc->getStructClassScope(); | |
| 5252 if (ad) | |
| 5253 { | |
| 5254 cd = ad->isClassDeclaration(); | |
| 5255 if (cd) | |
| 5256 { | |
| 5257 if (e1->op == TOKthis) | |
| 5258 { | |
| 5259 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5260 return e->semantic(sc); | |
| 5261 } | |
| 5262 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5263 { | |
| 5264 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5265 return e->semantic(sc); | |
| 5266 } | |
| 5267 } | |
| 5268 else | |
| 5269 { | |
| 5270 sd = ad->isStructDeclaration(); | |
| 5271 if (sd) | |
| 5272 { | |
| 5273 if (e1->op == TOKthis) | |
| 5274 { | |
| 5275 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5276 return e->semantic(sc); | |
| 5277 } | |
| 5278 } | |
| 5279 } | |
| 5280 } | |
| 5281 } | |
| 5282 | |
| 5283 UnaExp::semantic(sc); | |
| 5284 | |
| 5285 if (e1->op == TOKdotexp) | |
| 5286 { | |
| 5287 DotExp *de = (DotExp *)e1; | |
| 5288 eleft = de->e1; | |
| 5289 eright = de->e2; | |
| 5290 } | |
| 5291 else | |
| 5292 { | |
| 5293 e1 = resolveProperties(sc, e1); | |
| 5294 eleft = NULL; | |
| 5295 eright = e1; | |
| 5296 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5297 #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
|
5298 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
|
5299 { /* '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
|
5300 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5301 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
|
5302 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
|
5303 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
|
5304 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
|
5305 { 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
|
5306 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
|
5307 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
|
5308 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
|
5309 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5310 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
|
5311 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
|
5312 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
|
5313 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5314 #endif |
| 159 | 5315 |
| 5316 if (e1->op == TOKtuple && ident == Id::length) | |
| 5317 { | |
| 5318 TupleExp *te = (TupleExp *)e1; | |
| 5319 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5320 return e; | |
| 5321 } | |
| 5322 | |
| 5323 if (eright->op == TOKimport) // also used for template alias's | |
| 5324 { | |
| 5325 ScopeExp *ie = (ScopeExp *)eright; | |
| 5326 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5327 /* 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
|
5328 * 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
|
5329 * 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
|
5330 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5331 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
|
5332 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5333 if (s) |
| 5334 { | |
| 5335 s = s->toAlias(); | |
| 5336 checkDeprecated(sc, s); | |
| 5337 | |
| 5338 EnumMember *em = s->isEnumMember(); | |
| 5339 if (em) | |
| 5340 { | |
| 5341 e = em->value; | |
| 5342 e = e->semantic(sc); | |
| 5343 return e; | |
| 5344 } | |
| 5345 | |
| 5346 VarDeclaration *v = s->isVarDeclaration(); | |
| 5347 if (v) | |
| 5348 { | |
| 5349 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5350 if (v->inuse) | |
| 5351 { | |
| 5352 error("circular reference to '%s'", v->toChars()); | |
| 5353 type = Type::tint32; | |
| 5354 return this; | |
| 5355 } | |
| 5356 type = v->type; | |
| 5357 if (v->isConst()) | |
| 5358 { | |
| 5359 if (v->init) | |
| 5360 { | |
| 5361 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5362 if (ei) | |
| 5363 { | |
| 5364 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5365 //ei->exp = ei->exp->semantic(sc); | |
| 5366 if (ei->exp->type == type) | |
| 5367 { | |
| 5368 e = ei->exp->copy(); // make copy so we can change loc | |
| 5369 e->loc = loc; | |
| 5370 return e; | |
| 5371 } | |
| 5372 } | |
| 5373 } | |
| 5374 else if (type->isscalar()) | |
| 5375 { | |
| 5376 e = type->defaultInit(); | |
| 5377 e->loc = loc; | |
| 5378 return e; | |
| 5379 } | |
| 5380 } | |
| 5381 if (v->needThis()) | |
| 5382 { | |
| 5383 if (!eleft) | |
| 5384 eleft = new ThisExp(loc); | |
| 5385 e = new DotVarExp(loc, eleft, v); | |
| 5386 e = e->semantic(sc); | |
| 5387 } | |
| 5388 else | |
| 5389 { | |
| 5390 e = new VarExp(loc, v); | |
| 5391 if (eleft) | |
| 5392 { e = new CommaExp(loc, eleft, e); | |
| 5393 e->type = v->type; | |
| 5394 } | |
| 5395 } | |
| 5396 return e->deref(); | |
| 5397 } | |
| 5398 | |
| 5399 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5400 if (f) | |
| 5401 { | |
| 5402 //printf("it's a function\n"); | |
| 5403 if (f->needThis()) | |
| 5404 { | |
| 5405 if (!eleft) | |
| 5406 eleft = new ThisExp(loc); | |
| 5407 e = new DotVarExp(loc, eleft, f); | |
| 5408 e = e->semantic(sc); | |
| 5409 } | |
| 5410 else | |
| 5411 { | |
| 5412 e = new VarExp(loc, f); | |
| 5413 if (eleft) | |
| 5414 { e = new CommaExp(loc, eleft, e); | |
| 5415 e->type = f->type; | |
| 5416 } | |
| 5417 } | |
| 5418 return e; | |
| 5419 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5420 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5421 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5422 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5423 { //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
|
5424 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5425 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5426 #endif |
| 159 | 5427 |
| 5428 Type *t = s->getType(); | |
| 5429 if (t) | |
| 5430 { | |
| 5431 return new TypeExp(loc, t); | |
| 5432 } | |
| 5433 | |
| 336 | 5434 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5435 if (tup) | |
| 5436 { | |
| 5437 if (eleft) | |
| 5438 error("cannot have e.tuple"); | |
| 5439 e = new TupleExp(loc, tup); | |
| 5440 e = e->semantic(sc); | |
| 5441 return e; | |
| 5442 } | |
| 5443 | |
| 159 | 5444 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5445 if (sds) | |
| 5446 { | |
| 5447 //printf("it's a ScopeDsymbol\n"); | |
| 5448 e = new ScopeExp(loc, sds); | |
| 5449 e = e->semantic(sc); | |
| 5450 if (eleft) | |
| 5451 e = new DotExp(loc, eleft, e); | |
| 5452 return e; | |
| 5453 } | |
| 5454 | |
| 5455 Import *imp = s->isImport(); | |
| 5456 if (imp) | |
| 5457 { | |
| 5458 ScopeExp *ie; | |
| 5459 | |
| 5460 ie = new ScopeExp(loc, imp->pkg); | |
| 5461 return ie->semantic(sc); | |
| 5462 } | |
| 5463 | |
| 5464 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5465 #ifdef DEBUG | |
| 5466 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5467 #endif | |
| 5468 assert(0); | |
| 5469 } | |
| 5470 else if (ident == Id::stringof) | |
| 5471 { char *s = ie->toChars(); | |
| 5472 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5473 e = e->semantic(sc); | |
| 5474 return e; | |
| 5475 } | |
| 5476 error("undefined identifier %s", toChars()); | |
| 5477 type = Type::tvoid; | |
| 5478 return this; | |
| 5479 } | |
| 5480 else if (e1->type->ty == Tpointer && | |
| 5481 ident != Id::init && ident != Id::__sizeof && | |
| 5482 ident != Id::alignof && ident != Id::offsetof && | |
| 5483 ident != Id::mangleof && ident != Id::stringof) | |
| 5484 { | |
| 5485 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
|
5486 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5487 return e->type->dotExp(sc, e, ident); |
| 5488 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5489 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5490 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5491 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5492 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5493 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5494 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5495 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5496 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5497 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5498 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5499 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5501 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5502 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
|
5503 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5504 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 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
|
5506 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5508 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5509 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5510 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5511 #endif |
| 159 | 5512 else |
| 5513 { | |
| 5514 e = e1->type->dotExp(sc, e1, ident); | |
| 5515 e = e->semantic(sc); | |
| 5516 return e; | |
| 5517 } | |
| 5518 } | |
| 5519 | |
| 5520 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5521 { | |
| 5522 //printf("DotIdExp::toCBuffer()\n"); | |
| 5523 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5524 buf->writeByte('.'); | |
| 5525 buf->writestring(ident->toChars()); | |
| 5526 } | |
| 5527 | |
| 5528 /********************** DotTemplateExp ***********************************/ | |
| 5529 | |
| 5530 // Mainly just a placeholder | |
| 5531 | |
| 5532 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5533 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5534 | |
| 5535 { | |
| 5536 this->td = td; | |
| 5537 } | |
| 5538 | |
| 5539 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5540 { | |
| 5541 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5542 buf->writeByte('.'); | |
| 5543 buf->writestring(td->toChars()); | |
| 5544 } | |
| 5545 | |
| 5546 | |
| 5547 /************************************************************/ | |
| 5548 | |
| 5549 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5550 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5551 { | |
| 5552 //printf("DotVarExp()\n"); | |
| 5553 this->var = v; | |
| 5554 } | |
| 5555 | |
| 5556 Expression *DotVarExp::semantic(Scope *sc) | |
| 5557 { | |
| 5558 #if LOGSEMANTIC | |
| 5559 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5560 #endif | |
| 5561 if (!type) | |
| 5562 { | |
| 5563 var = var->toAlias()->isDeclaration(); | |
| 5564 | |
| 5565 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5566 if (tup) | |
| 5567 { /* Replace: | |
| 5568 * e1.tuple(a, b, c) | |
| 5569 * with: | |
| 5570 * tuple(e1.a, e1.b, e1.c) | |
| 5571 */ | |
| 5572 Expressions *exps = new Expressions; | |
| 5573 | |
| 5574 exps->reserve(tup->objects->dim); | |
| 5575 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5576 { Object *o = (Object *)tup->objects->data[i]; | |
| 5577 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5578 { | |
| 5579 error("%s is not an expression", o->toChars()); | |
| 5580 } | |
| 5581 else | |
| 5582 { | |
| 5583 Expression *e = (Expression *)o; | |
| 5584 if (e->op != TOKdsymbol) | |
| 5585 error("%s is not a member", e->toChars()); | |
| 5586 else | |
| 5587 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5588 | |
| 5589 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5590 exps->push(e); | |
| 5591 } | |
| 5592 } | |
| 5593 } | |
| 5594 Expression *e = new TupleExp(loc, exps); | |
| 5595 e = e->semantic(sc); | |
| 5596 return e; | |
| 5597 } | |
| 5598 | |
| 5599 e1 = e1->semantic(sc); | |
| 5600 type = var->type; | |
| 5601 if (!type && global.errors) | |
| 5602 { // var is goofed up, just return 0 | |
| 5603 return new IntegerExp(0); | |
| 5604 } | |
| 5605 assert(type); | |
| 5606 | |
| 5607 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5608 { | |
| 5609 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5610 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5611 if (!sc->noaccesscheck) | |
| 5612 accessCheck(loc, sc, e1, var); | |
| 5613 | |
| 5614 VarDeclaration *v = var->isVarDeclaration(); | |
| 5615 if (v && v->isConst()) | |
| 5616 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5617 if (ei) | |
| 5618 { Expression *e = ei->exp->copy(); | |
| 5619 e = e->semantic(sc); | |
| 5620 return e; | |
| 159 | 5621 } |
| 5622 } | |
| 5623 } | |
| 5624 } | |
| 5625 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5626 return this; | |
| 5627 } | |
| 5628 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5629 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5630 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5631 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5632 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5633 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5634 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5635 |
| 159 | 5636 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5637 { | |
| 5638 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5639 return this; | |
| 5640 } | |
| 5641 | |
| 5642 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5643 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5644 #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
|
5645 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
|
5646 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
|
5647 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
|
5648 #endif |
| 159 | 5649 |
| 5650 if (var->isCtorinit()) | |
| 5651 { // It's only modifiable if inside the right constructor | |
| 5652 Dsymbol *s = sc->func; | |
| 5653 while (1) | |
| 5654 { | |
| 5655 FuncDeclaration *fd = NULL; | |
| 5656 if (s) | |
| 5657 fd = s->isFuncDeclaration(); | |
| 5658 if (fd && | |
| 5659 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5660 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5661 fd->toParent() == var->toParent() && | |
| 5662 e1->op == TOKthis | |
| 5663 ) | |
| 5664 { | |
| 5665 VarDeclaration *v = var->isVarDeclaration(); | |
| 5666 assert(v); | |
| 5667 v->ctorinit = 1; | |
| 5668 //printf("setting ctorinit\n"); | |
| 5669 } | |
| 5670 else | |
| 5671 { | |
| 5672 if (s) | |
| 5673 { s = s->toParent2(); | |
| 5674 continue; | |
| 5675 } | |
| 5676 else | |
| 5677 { | |
| 5678 const char *p = var->isStatic() ? "static " : ""; | |
| 5679 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5680 p, var->toChars(), p); | |
| 5681 } | |
| 5682 } | |
| 5683 break; | |
| 5684 } | |
| 5685 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5687 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5688 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5698 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5699 #endif |
| 159 | 5700 return this; |
| 5701 } | |
| 5702 | |
| 5703 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5704 { | |
| 5705 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5706 buf->writeByte('.'); | |
| 5707 buf->writestring(var->toChars()); | |
| 5708 } | |
| 5709 | |
| 5710 /************************************************************/ | |
| 5711 | |
| 5712 /* Things like: | |
| 5713 * foo.bar!(args) | |
| 5714 */ | |
| 5715 | |
| 5716 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5717 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5718 { | |
| 5719 //printf("DotTemplateInstanceExp()\n"); | |
| 5720 this->ti = ti; | |
| 5721 } | |
| 5722 | |
| 5723 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5724 { | |
| 5725 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5726 e1->syntaxCopy(), | |
| 5727 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5728 return de; | |
| 5729 } | |
| 5730 | |
| 5731 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5732 { Dsymbol *s; | |
| 5733 Dsymbol *s2; | |
| 5734 TemplateDeclaration *td; | |
| 5735 Expression *e; | |
| 5736 Identifier *id; | |
| 5737 Type *t1; | |
| 5738 Expression *eleft = NULL; | |
| 5739 Expression *eright; | |
| 5740 | |
| 5741 #if LOGSEMANTIC | |
| 5742 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5743 #endif | |
| 5744 //e1->print(); | |
| 5745 //print(); | |
| 5746 e1 = e1->semantic(sc); | |
| 5747 t1 = e1->type; | |
| 5748 if (t1) | |
| 5749 t1 = t1->toBasetype(); | |
| 5750 //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
|
5751 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5752 /* 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
|
5753 * 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
|
5754 * 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
|
5755 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5756 |
| 159 | 5757 if (e1->op == TOKdotexp) |
| 5758 { DotExp *de = (DotExp *)e1; | |
| 5759 eleft = de->e1; | |
| 5760 eright = de->e2; | |
| 5761 } | |
| 5762 else | |
| 5763 { eleft = NULL; | |
| 5764 eright = e1; | |
| 5765 } | |
| 5766 if (eright->op == TOKimport) | |
| 5767 { | |
| 5768 s = ((ScopeExp *)eright)->sds; | |
| 5769 } | |
| 5770 else if (e1->op == TOKtype) | |
| 5771 { | |
| 5772 s = t1->isClassHandle(); | |
| 5773 if (!s) | |
| 5774 { if (t1->ty == Tstruct) | |
| 5775 s = ((TypeStruct *)t1)->sym; | |
| 5776 else | |
| 5777 goto L1; | |
| 5778 } | |
| 5779 } | |
| 5780 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5781 { | |
| 5782 s = t1->toDsymbol(sc); | |
| 5783 eleft = e1; | |
| 5784 } | |
| 5785 else if (t1 && t1->ty == Tpointer) | |
| 5786 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5787 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5788 if (t1->ty != Tstruct) |
| 5789 goto L1; | |
| 5790 s = t1->toDsymbol(sc); | |
| 5791 eleft = e1; | |
| 5792 } | |
| 5793 else | |
| 5794 { | |
| 5795 L1: | |
| 5796 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5797 goto Lerr; | |
| 5798 } | |
| 5799 | |
| 5800 assert(s); | |
| 5801 id = ti->name; | |
| 5802 s2 = s->search(loc, id, 0); | |
| 5803 if (!s2) | |
| 5804 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5805 goto Lerr; | |
| 5806 } | |
| 5807 s = s2; | |
| 5808 s->semantic(sc); | |
| 5809 s = s->toAlias(); | |
| 5810 td = s->isTemplateDeclaration(); | |
| 5811 if (!td) | |
| 5812 { | |
| 5813 error("%s is not a template", id->toChars()); | |
| 5814 goto Lerr; | |
| 5815 } | |
| 5816 if (global.errors) | |
| 5817 goto Lerr; | |
| 5818 | |
| 5819 ti->tempdecl = td; | |
| 5820 | |
| 5821 if (eleft) | |
| 5822 { Declaration *v; | |
| 5823 | |
| 5824 ti->semantic(sc); | |
| 5825 s = ti->inst->toAlias(); | |
| 5826 v = s->isDeclaration(); | |
| 5827 if (v) | |
| 5828 { e = new DotVarExp(loc, eleft, v); | |
| 5829 e = e->semantic(sc); | |
| 5830 return e; | |
| 5831 } | |
| 5832 } | |
| 5833 | |
| 5834 e = new ScopeExp(loc, ti); | |
| 5835 if (eleft) | |
| 5836 { | |
| 5837 e = new DotExp(loc, eleft, e); | |
| 5838 } | |
| 5839 e = e->semantic(sc); | |
| 5840 return e; | |
| 5841 | |
| 5842 Lerr: | |
| 336 | 5843 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5844 } |
| 5845 | |
| 5846 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5847 { | |
| 5848 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5849 buf->writeByte('.'); | |
| 5850 ti->toCBuffer(buf, hgs); | |
| 5851 } | |
| 5852 | |
| 5853 /************************************************************/ | |
| 5854 | |
| 5855 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5856 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5857 { | |
| 5858 this->func = f; | |
| 5859 } | |
| 5860 | |
| 5861 Expression *DelegateExp::semantic(Scope *sc) | |
| 5862 { | |
| 5863 #if LOGSEMANTIC | |
| 5864 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5865 #endif | |
| 5866 if (!type) | |
| 5867 { | |
| 5868 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5869 // 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
|
5870 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5871 type = type->semantic(loc, sc); |
| 5872 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5873 if (func->needThis()) |
| 5874 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5875 } |
| 5876 return this; | |
| 5877 } | |
| 5878 | |
| 5879 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5880 { | |
| 5881 buf->writeByte('&'); | |
| 5882 if (!func->isNested()) | |
| 5883 { | |
| 5884 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5885 buf->writeByte('.'); | |
| 5886 } | |
| 5887 buf->writestring(func->toChars()); | |
| 5888 } | |
| 5889 | |
| 5890 /************************************************************/ | |
| 5891 | |
| 5892 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5893 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5894 { | |
| 5895 this->sym = s; | |
| 5896 this->type = s->getType(); | |
| 5897 } | |
| 5898 | |
| 5899 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5900 { | |
| 5901 #if LOGSEMANTIC | |
| 5902 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5903 #endif | |
| 5904 UnaExp::semantic(sc); | |
| 5905 return this; | |
| 5906 } | |
| 5907 | |
| 5908 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5909 { | |
| 5910 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5911 buf->writeByte('.'); | |
| 5912 buf->writestring(sym->toChars()); | |
| 5913 } | |
| 5914 | |
| 5915 /************************************************************/ | |
| 5916 | |
| 5917 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5918 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5919 { | |
| 5920 this->arguments = exps; | |
| 5921 } | |
| 5922 | |
| 5923 CallExp::CallExp(Loc loc, Expression *e) | |
| 5924 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5925 { | |
| 5926 this->arguments = NULL; | |
| 5927 } | |
| 5928 | |
| 5929 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5930 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5931 { | |
| 5932 Expressions *arguments = new Expressions(); | |
| 5933 arguments->setDim(1); | |
| 5934 arguments->data[0] = (void *)earg1; | |
| 5935 | |
| 5936 this->arguments = arguments; | |
| 5937 } | |
| 5938 | |
| 5939 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5940 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5941 { | |
| 5942 Expressions *arguments = new Expressions(); | |
| 5943 arguments->setDim(2); | |
| 5944 arguments->data[0] = (void *)earg1; | |
| 5945 arguments->data[1] = (void *)earg2; | |
| 5946 | |
| 5947 this->arguments = arguments; | |
| 5948 } | |
| 5949 | |
| 5950 Expression *CallExp::syntaxCopy() | |
| 5951 { | |
| 5952 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5953 } | |
| 5954 | |
| 5955 | |
| 5956 Expression *CallExp::semantic(Scope *sc) | |
| 5957 { | |
| 5958 TypeFunction *tf; | |
| 5959 FuncDeclaration *f; | |
| 5960 int i; | |
| 5961 Type *t1; | |
| 5962 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
|
5963 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5964 |
| 5965 #if LOGSEMANTIC | |
| 5966 printf("CallExp::semantic() %s\n", toChars()); | |
| 5967 #endif | |
| 5968 if (type) | |
| 5969 return this; // semantic() already run | |
| 5970 #if 0 | |
| 5971 if (arguments && arguments->dim) | |
| 5972 { | |
| 5973 Expression *earg = (Expression *)arguments->data[0]; | |
| 5974 earg->print(); | |
| 5975 if (earg->type) earg->type->print(); | |
| 5976 } | |
| 5977 #endif | |
| 5978 | |
| 5979 if (e1->op == TOKdelegate) | |
| 5980 { DelegateExp *de = (DelegateExp *)e1; | |
| 5981 | |
| 5982 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5983 return semantic(sc); | |
| 5984 } | |
| 5985 | |
| 5986 /* Transform: | |
| 5987 * array.id(args) into id(array,args) | |
| 5988 * aa.remove(arg) into delete aa[arg] | |
| 5989 */ | |
| 5990 if (e1->op == TOKdot) | |
| 5991 { | |
| 5992 // BUG: we should handle array.a.b.c.e(args) too | |
| 5993 | |
| 5994 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5995 dotid->e1 = dotid->e1->semantic(sc); | |
| 5996 assert(dotid->e1); | |
| 5997 if (dotid->e1->type) | |
| 5998 { | |
| 5999 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6000 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6001 { | |
| 6002 if (!arguments || arguments->dim != 1) | |
| 6003 { error("expected key as argument to aa.remove()"); | |
| 6004 goto Lagain; | |
| 6005 } | |
| 6006 Expression *key = (Expression *)arguments->data[0]; | |
| 6007 key = key->semantic(sc); | |
| 6008 key = resolveProperties(sc, key); | |
| 6009 key->rvalue(); | |
| 6010 | |
| 6011 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6012 key = key->implicitCastTo(sc, taa->index); | |
| 6013 key = key->implicitCastTo(sc, taa->key); | |
| 6014 | |
| 6015 return new RemoveExp(loc, dotid->e1, key); | |
| 6016 } | |
| 6017 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6018 { | |
| 6019 if (!arguments) | |
| 6020 arguments = new Expressions(); | |
| 6021 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6022 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6023 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
|
6024 #else |
| 159 | 6025 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
|
6026 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6027 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6028 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6029 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6030 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6031 #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
|
6032 /* 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
|
6033 * 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
|
6034 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6035 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
|
6036 { 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
|
6037 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
|
6038 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
|
6039 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6040 /* 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
|
6041 * 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
|
6042 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6043 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
|
6044 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
|
6045 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
|
6046 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
|
6047 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
|
6048 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
|
6049 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6050 /* 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
|
6051 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6052 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
|
6053 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
|
6054 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
|
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 } |
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6059 /* 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
|
6060 * 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
|
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 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
|
6063 { 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
|
6064 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
|
6065 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
|
6066 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6067 /* 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
|
6068 * 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
|
6069 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6070 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
|
6071 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
|
6072 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
|
6073 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
|
6074 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
|
6075 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
|
6076 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
|
6077 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6078 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
|
6079 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
|
6080 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
|
6081 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6082 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6083 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
|
6084 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6085 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6086 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6087 |
| 159 | 6088 istemp = 0; |
| 6089 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
|
6090 //printf("Lagain: %s\n", toChars()); |
| 159 | 6091 f = NULL; |
| 6092 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6093 { | |
| 6094 // semantic() run later for these | |
| 6095 } | |
| 6096 else | |
| 6097 { | |
| 6098 UnaExp::semantic(sc); | |
| 6099 | |
| 6100 /* Look for e1 being a lazy parameter | |
| 6101 */ | |
| 6102 if (e1->op == TOKvar) | |
| 6103 { VarExp *ve = (VarExp *)e1; | |
| 6104 | |
| 6105 if (ve->var->storage_class & STClazy) | |
| 6106 { | |
| 6107 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6108 TypeDelegate *t = new TypeDelegate(tf); | |
| 6109 ve->type = t->semantic(loc, sc); | |
| 6110 } | |
| 6111 } | |
| 6112 | |
| 6113 if (e1->op == TOKimport) | |
| 6114 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6115 ScopeExp *se = (ScopeExp *)e1; | |
| 6116 e1 = new DsymbolExp(loc, se->sds); | |
| 6117 e1 = e1->semantic(sc); | |
| 6118 } | |
| 6119 #if 1 // patch for #540 by Oskar Linde | |
| 6120 else if (e1->op == TOKdotexp) | |
| 6121 { | |
| 6122 DotExp *de = (DotExp *) e1; | |
| 6123 | |
| 6124 if (de->e2->op == TOKimport) | |
| 6125 { // This should *really* be moved to ScopeExp::semantic() | |
| 6126 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6127 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6128 de->e2 = de->e2->semantic(sc); | |
| 6129 } | |
| 6130 | |
| 6131 if (de->e2->op == TOKtemplate) | |
| 6132 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6133 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6134 } | |
| 6135 } | |
| 6136 #endif | |
| 6137 } | |
| 6138 | |
| 6139 if (e1->op == TOKcomma) | |
| 6140 { | |
| 6141 CommaExp *ce = (CommaExp *)e1; | |
| 6142 | |
| 6143 e1 = ce->e2; | |
| 6144 e1->type = ce->type; | |
| 6145 ce->e2 = this; | |
| 6146 ce->type = NULL; | |
| 6147 return ce->semantic(sc); | |
| 6148 } | |
| 6149 | |
| 6150 t1 = NULL; | |
| 6151 if (e1->type) | |
| 6152 t1 = e1->type->toBasetype(); | |
| 6153 | |
| 6154 // Check for call operator overload | |
| 6155 if (t1) | |
| 6156 { AggregateDeclaration *ad; | |
| 6157 | |
| 6158 if (t1->ty == Tstruct) | |
| 6159 { | |
| 6160 ad = ((TypeStruct *)t1)->sym; | |
| 6161 if (search_function(ad, Id::call)) | |
| 6162 goto L1; // overload of opCall, therefore it's a call | |
| 6163 | |
| 6164 if (e1->op != TOKtype) | |
| 6165 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6166 /* It's a struct literal | |
| 6167 */ | |
| 6168 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6169 e = e->semantic(sc); | |
| 6170 e->type = e1->type; // in case e1->type was a typedef | |
| 6171 return e; | |
| 6172 } | |
| 6173 else if (t1->ty == Tclass) | |
| 6174 { | |
| 6175 ad = ((TypeClass *)t1)->sym; | |
| 6176 goto L1; | |
| 6177 L1: | |
| 6178 // Rewrite as e1.call(arguments) | |
| 6179 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6180 e = new CallExp(loc, e, arguments); | |
| 6181 e = e->semantic(sc); | |
| 6182 return e; | |
| 6183 } | |
| 6184 } | |
| 6185 | |
| 6186 arrayExpressionSemantic(arguments, sc); | |
| 6187 preFunctionArguments(loc, sc, arguments); | |
| 6188 | |
| 6189 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6190 e1->op == TOKdottd) | |
| 6191 { | |
| 6192 DotVarExp *dve; | |
| 6193 DotTemplateExp *dte; | |
| 6194 AggregateDeclaration *ad; | |
| 6195 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6196 |
| 159 | 6197 if (e1->op == TOKdotvar) |
| 6198 { // Do overload resolution | |
| 6199 dve = (DotVarExp *)(e1); | |
| 6200 | |
| 6201 f = dve->var->isFuncDeclaration(); | |
| 6202 assert(f); | |
| 6203 f = f->overloadResolve(loc, arguments); | |
| 6204 | |
| 6205 ad = f->toParent()->isAggregateDeclaration(); | |
| 6206 } | |
| 6207 else | |
| 6208 { dte = (DotTemplateExp *)(e1); | |
| 6209 TemplateDeclaration *td = dte->td; | |
| 6210 assert(td); | |
| 6211 if (!arguments) | |
| 6212 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6213 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6214 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6215 if (!f) |
| 6216 { type = Type::terror; | |
| 6217 return this; | |
| 6218 } | |
| 6219 ad = td->toParent()->isAggregateDeclaration(); | |
| 6220 } | |
| 336 | 6221 if (f->needThis()) |
| 6222 { | |
| 6223 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6224 } | |
| 6225 | |
| 6226 /* Cannot call public functions from inside invariant | |
| 6227 * (because then the invariant would have infinite recursion) | |
| 159 | 6228 */ |
| 336 | 6229 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6230 ue->e1->op == TOKthis && | |
| 6231 f->addPostInvariant() | |
| 159 | 6232 ) |
| 6233 { | |
| 336 | 6234 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6235 } |
| 6236 | |
| 6237 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6238 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6239 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6240 #endif |
| 159 | 6241 accessCheck(loc, sc, ue->e1, f); |
| 6242 if (!f->needThis()) | |
| 6243 { | |
| 6244 VarExp *ve = new VarExp(loc, f); | |
| 6245 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6246 e1->type = f->type; | |
| 6247 } | |
| 6248 else | |
| 6249 { | |
| 6250 if (e1->op == TOKdotvar) | |
| 6251 dve->var = f; | |
| 6252 else | |
| 6253 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6254 e1->type = f->type; | |
| 6255 | |
| 6256 // See if we need to adjust the 'this' pointer | |
| 6257 AggregateDeclaration *ad = f->isThis(); | |
| 6258 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6259 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6260 ue->e1->op != TOKsuper) | |
| 6261 { | |
| 6262 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6263 ue->e1 = ue->e1->semantic(sc); | |
| 6264 } | |
| 6265 } | |
| 6266 t1 = e1->type; | |
| 6267 } | |
| 6268 else if (e1->op == TOKsuper) | |
| 6269 { | |
| 6270 // Base class constructor call | |
| 6271 ClassDeclaration *cd = NULL; | |
| 6272 | |
| 6273 if (sc->func) | |
| 6274 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6275 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6276 { | |
| 6277 error("super class constructor call must be in a constructor"); | |
| 6278 type = Type::terror; | |
| 6279 return this; | |
| 6280 } | |
| 6281 else | |
| 6282 { | |
| 6283 f = cd->baseClass->ctor; | |
| 6284 if (!f) | |
| 6285 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6286 type = Type::terror; | |
| 6287 return this; | |
| 6288 } | |
| 6289 else | |
| 6290 { | |
| 336 | 6291 if (!sc->intypeof) |
| 6292 { | |
| 159 | 6293 #if 0 |
| 336 | 6294 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6295 error("reference to this before super()"); | |
| 159 | 6296 #endif |
| 336 | 6297 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6298 error("constructor calls not allowed in loops or after labels"); | |
| 6299 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6300 error("multiple constructor calls"); | |
| 6301 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6302 } | |
| 159 | 6303 |
| 6304 f = f->overloadResolve(loc, arguments); | |
| 6305 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6306 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6307 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6308 #endif |
| 159 | 6309 e1 = new DotVarExp(e1->loc, e1, f); |
| 6310 e1 = e1->semantic(sc); | |
| 6311 t1 = e1->type; | |
| 6312 } | |
| 6313 } | |
| 6314 } | |
| 6315 else if (e1->op == TOKthis) | |
| 6316 { | |
| 6317 // same class constructor call | |
| 6318 ClassDeclaration *cd = NULL; | |
| 6319 | |
| 6320 if (sc->func) | |
| 6321 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6322 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6323 { | |
| 6324 error("class constructor call must be in a constructor"); | |
| 6325 type = Type::terror; | |
| 6326 return this; | |
| 6327 } | |
| 6328 else | |
| 6329 { | |
| 336 | 6330 if (!sc->intypeof) |
| 6331 { | |
| 159 | 6332 #if 0 |
| 336 | 6333 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6334 error("reference to this before super()"); | |
| 159 | 6335 #endif |
| 336 | 6336 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6337 error("constructor calls not allowed in loops or after labels"); | |
| 6338 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6339 error("multiple constructor calls"); | |
| 6340 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6341 } | |
| 159 | 6342 |
| 6343 f = cd->ctor; | |
| 6344 f = f->overloadResolve(loc, arguments); | |
| 6345 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6346 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6347 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6348 #endif |
| 159 | 6349 e1 = new DotVarExp(e1->loc, e1, f); |
| 6350 e1 = e1->semantic(sc); | |
| 6351 t1 = e1->type; | |
| 6352 | |
| 6353 // BUG: this should really be done by checking the static | |
| 6354 // call graph | |
| 6355 if (f == sc->func) | |
| 6356 error("cyclic constructor call"); | |
| 6357 } | |
| 6358 } | |
| 6359 else if (!t1) | |
| 6360 { | |
| 6361 error("function expected before (), not '%s'", e1->toChars()); | |
| 6362 type = Type::terror; | |
| 6363 return this; | |
| 6364 } | |
| 6365 else if (t1->ty != Tfunction) | |
| 6366 { | |
| 6367 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
|
6368 { 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
|
6369 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
|
6370 tf = (TypeFunction *)(td->next); |
| 159 | 6371 goto Lcheckargs; |
| 6372 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6373 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6374 { Expression *e; |
| 6375 | |
| 6376 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
|
6377 t1 = ((TypePointer *)t1)->next; |
| 159 | 6378 e->type = t1; |
| 6379 e1 = e; | |
| 6380 } | |
| 6381 else if (e1->op == TOKtemplate) | |
| 6382 { | |
| 6383 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6384 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6385 if (!f) |
| 6386 { type = Type::terror; | |
| 6387 return this; | |
| 6388 } | |
| 6389 if (f->needThis() && hasThis(sc)) | |
| 6390 { | |
| 6391 // Supply an implicit 'this', as in | |
| 6392 // this.ident | |
| 6393 | |
| 6394 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6395 goto Lagain; | |
| 6396 } | |
| 6397 | |
| 6398 e1 = new VarExp(loc, f); | |
| 6399 goto Lagain; | |
| 6400 } | |
| 6401 else | |
| 6402 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6403 type = Type::terror; | |
| 6404 return this; | |
| 6405 } | |
| 6406 } | |
| 6407 else if (e1->op == TOKvar) | |
| 6408 { | |
| 6409 // Do overload resolution | |
| 6410 VarExp *ve = (VarExp *)e1; | |
| 6411 | |
| 6412 f = ve->var->isFuncDeclaration(); | |
| 6413 assert(f); | |
| 6414 | |
| 6415 // Look to see if f is really a function template | |
| 6416 if (0 && !istemp && f->parent) | |
| 6417 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6418 | |
| 6419 if (ti && | |
| 6420 (ti->name == f->ident || | |
| 6421 ti->toAlias()->ident == f->ident) | |
| 6422 && | |
| 6423 ti->tempdecl) | |
| 6424 { | |
| 6425 /* This is so that one can refer to the enclosing | |
| 6426 * template, even if it has the same name as a member | |
| 6427 * of the template, if it has a !(arguments) | |
| 6428 */ | |
| 6429 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6430 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6431 tempdecl = tempdecl->overroot; // then get the start | |
| 6432 e1 = new TemplateExp(loc, tempdecl); | |
| 6433 istemp = 1; | |
| 6434 goto Lagain; | |
| 6435 } | |
| 6436 } | |
| 6437 | |
| 6438 f = f->overloadResolve(loc, arguments); | |
| 6439 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6440 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6441 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6442 #endif |
| 159 | 6443 |
| 6444 if (f->needThis() && hasThis(sc)) | |
| 6445 { | |
| 6446 // Supply an implicit 'this', as in | |
| 6447 // this.ident | |
| 6448 | |
| 6449 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6450 goto Lagain; | |
| 6451 } | |
| 6452 | |
| 6453 accessCheck(loc, sc, NULL, f); | |
| 6454 | |
| 6455 ve->var = f; | |
| 6456 ve->type = f->type; | |
| 6457 t1 = f->type; | |
| 6458 } | |
| 6459 assert(t1->ty == Tfunction); | |
| 6460 tf = (TypeFunction *)(t1); | |
| 6461 | |
| 6462 Lcheckargs: | |
| 6463 assert(tf->ty == Tfunction); | |
| 6464 type = tf->next; | |
| 6465 | |
| 6466 if (!arguments) | |
| 6467 arguments = new Expressions(); | |
| 6468 functionArguments(loc, sc, tf, arguments); | |
| 6469 | |
| 6470 assert(type); | |
| 6471 | |
| 6472 if (f && f->tintro) | |
| 6473 { | |
| 6474 Type *t = type; | |
| 6475 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
|
6476 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
|
6477 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6478 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
|
6479 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6480 type = tf->next; |
| 159 | 6481 return castTo(sc, t); |
| 6482 } | |
| 6483 } | |
| 6484 | |
| 6485 return this; | |
| 6486 } | |
| 6487 | |
| 6488 int CallExp::checkSideEffect(int flag) | |
| 6489 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 /* 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
|
6498 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 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
|
6500 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 return 1; |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 /* 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
|
6507 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6510 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6511 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6512 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
|
6513 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 #endif |
| 159 | 6515 return 1; |
| 6516 } | |
| 6517 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6523 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 /* 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
|
6525 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 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
|
6527 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 return 1; |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6533 /* 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
|
6534 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 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
|
6541 return 0; |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6556 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6557 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6558 |
| 159 | 6559 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6560 { | |
| 6561 if (type->toBasetype()->ty == Tstruct) | |
| 6562 return this; | |
| 6563 else | |
| 6564 return Expression::toLvalue(sc, e); | |
| 6565 } | |
| 6566 | |
| 6567 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6568 { int i; | |
| 6569 | |
| 6570 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6571 buf->writeByte('('); | |
| 6572 argsToCBuffer(buf, arguments, hgs); | |
| 6573 buf->writeByte(')'); | |
| 6574 } | |
| 6575 | |
| 6576 | |
| 6577 /************************************************************/ | |
| 6578 | |
| 6579 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6580 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6581 { | |
| 6582 } | |
| 6583 | |
| 6584 Expression *AddrExp::semantic(Scope *sc) | |
| 6585 { | |
| 6586 #if LOGSEMANTIC | |
| 6587 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6588 #endif | |
| 6589 if (!type) | |
| 6590 { | |
| 6591 UnaExp::semantic(sc); | |
| 6592 e1 = e1->toLvalue(sc, NULL); | |
| 6593 if (!e1->type) | |
| 6594 { | |
| 6595 error("cannot take address of %s", e1->toChars()); | |
| 6596 type = Type::tint32; | |
| 6597 return this; | |
| 6598 } | |
| 6599 type = e1->type->pointerTo(); | |
| 6600 | |
| 6601 // See if this should really be a delegate | |
| 6602 if (e1->op == TOKdotvar) | |
| 6603 { | |
| 6604 DotVarExp *dve = (DotVarExp *)e1; | |
| 6605 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6606 | |
| 6607 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
|
6608 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6609 e = e->semantic(sc); |
| 6610 return e; | |
| 6611 } | |
| 6612 } | |
| 6613 else if (e1->op == TOKvar) | |
| 6614 { | |
| 6615 VarExp *dve = (VarExp *)e1; | |
| 6616 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6617 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6618 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6619 // 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
|
6620 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
|
6621 { |
|
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
|
6622 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
|
6623 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
|
6624 } |
|
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
|
6625 |
| 159 | 6626 if (f && f->isNested()) |
| 6627 { Expression *e; | |
| 6628 | |
| 6629 e = new DelegateExp(loc, e1, f); | |
| 6630 e = e->semantic(sc); | |
| 6631 return e; | |
| 6632 } | |
| 6633 } | |
| 6634 else if (e1->op == TOKarray) | |
| 6635 { | |
| 6636 if (e1->type->toBasetype()->ty == Tbit) | |
| 6637 error("cannot take address of bit in array"); | |
| 6638 } | |
| 6639 return optimize(WANTvalue); | |
| 6640 } | |
| 6641 return this; | |
| 6642 } | |
| 6643 | |
| 6644 /************************************************************/ | |
| 6645 | |
| 6646 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6647 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6648 { | |
| 6649 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
|
6650 type = ((TypePointer *)e->type)->next; |
| 159 | 6651 } |
| 6652 | |
| 6653 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6654 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6655 { | |
| 6656 type = t; | |
| 6657 } | |
| 6658 | |
| 6659 Expression *PtrExp::semantic(Scope *sc) | |
| 6660 { Type *tb; | |
| 6661 | |
| 6662 #if LOGSEMANTIC | |
| 6663 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6664 #endif | |
| 6665 UnaExp::semantic(sc); | |
| 6666 e1 = resolveProperties(sc, e1); | |
| 6667 if (type) | |
| 6668 return this; | |
| 6669 if (!e1->type) | |
| 6670 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6671 tb = e1->type->toBasetype(); | |
| 6672 switch (tb->ty) | |
| 6673 { | |
| 6674 case Tpointer: | |
| 6675 type = tb->next; | |
| 6676 if (type->isbit()) | |
| 6677 { Expression *e; | |
| 6678 | |
| 6679 // Rewrite *p as p[0] | |
| 6680 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6681 return e->semantic(sc); | |
| 6682 } | |
| 6683 break; | |
| 6684 | |
| 6685 case Tsarray: | |
| 6686 case Tarray: | |
| 6687 type = tb->next; | |
| 6688 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6689 break; | |
| 6690 | |
| 6691 default: | |
| 6692 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6693 type = Type::tint32; | |
| 6694 break; | |
| 6695 } | |
| 6696 rvalue(); | |
| 6697 return this; | |
| 6698 } | |
| 6699 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6702 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6703 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6704 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6705 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 |
| 159 | 6707 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6708 { | |
| 6709 #if 0 | |
| 6710 tym = tybasic(e1->ET->Tty); | |
| 6711 if (!(tyscalar(tym) || | |
| 6712 tym == TYstruct || | |
| 6713 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6714 synerr(EM_lvalue); // lvalue expected | |
| 6715 #endif | |
| 6716 return this; | |
| 6717 } | |
| 6718 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6719 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6720 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6721 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6722 //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
|
6723 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6725 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6726 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 } |
|
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 return Expression::modifiableLvalue(sc, e); |
|
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 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6733 |
| 159 | 6734 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6735 { | |
| 6736 buf->writeByte('*'); | |
| 6737 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6738 } | |
| 6739 | |
| 6740 /************************************************************/ | |
| 6741 | |
| 6742 NegExp::NegExp(Loc loc, Expression *e) | |
| 6743 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6744 { | |
| 6745 } | |
| 6746 | |
| 6747 Expression *NegExp::semantic(Scope *sc) | |
| 6748 { Expression *e; | |
| 6749 | |
| 6750 #if LOGSEMANTIC | |
| 6751 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6752 #endif | |
| 6753 if (!type) | |
| 6754 { | |
| 6755 UnaExp::semantic(sc); | |
| 6756 e1 = resolveProperties(sc, e1); | |
| 6757 e = op_overload(sc); | |
| 6758 if (e) | |
| 6759 return e; | |
| 6760 | |
| 6761 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
|
6762 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
|
6763 e1->checkArithmetic(); |
| 159 | 6764 type = e1->type; |
| 6765 } | |
| 6766 return this; | |
| 6767 } | |
| 6768 | |
| 6769 /************************************************************/ | |
| 6770 | |
| 6771 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6772 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6773 { | |
| 6774 } | |
| 6775 | |
| 6776 Expression *UAddExp::semantic(Scope *sc) | |
| 6777 { Expression *e; | |
| 6778 | |
| 6779 #if LOGSEMANTIC | |
| 6780 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6781 #endif | |
| 6782 assert(!type); | |
| 6783 UnaExp::semantic(sc); | |
| 6784 e1 = resolveProperties(sc, e1); | |
| 6785 e = op_overload(sc); | |
| 6786 if (e) | |
| 6787 return e; | |
| 6788 e1->checkNoBool(); | |
| 6789 e1->checkArithmetic(); | |
| 6790 return e1; | |
| 6791 } | |
| 6792 | |
| 6793 /************************************************************/ | |
| 6794 | |
| 6795 ComExp::ComExp(Loc loc, Expression *e) | |
| 6796 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6797 { | |
| 6798 } | |
| 6799 | |
| 6800 Expression *ComExp::semantic(Scope *sc) | |
| 6801 { Expression *e; | |
| 6802 | |
| 6803 if (!type) | |
| 6804 { | |
| 6805 UnaExp::semantic(sc); | |
| 6806 e1 = resolveProperties(sc, e1); | |
| 6807 e = op_overload(sc); | |
| 6808 if (e) | |
| 6809 return e; | |
| 6810 | |
| 6811 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
|
6812 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
|
6813 e1 = e1->checkIntegral(); |
| 159 | 6814 type = e1->type; |
| 6815 } | |
| 6816 return this; | |
| 6817 } | |
| 6818 | |
| 6819 /************************************************************/ | |
| 6820 | |
| 6821 NotExp::NotExp(Loc loc, Expression *e) | |
| 6822 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6823 { | |
| 6824 } | |
| 6825 | |
| 6826 Expression *NotExp::semantic(Scope *sc) | |
| 6827 { | |
| 6828 UnaExp::semantic(sc); | |
| 6829 e1 = resolveProperties(sc, e1); | |
| 6830 e1 = e1->checkToBoolean(); | |
| 6831 type = Type::tboolean; | |
| 6832 return this; | |
| 6833 } | |
| 6834 | |
| 6835 int NotExp::isBit() | |
| 6836 { | |
| 6837 return TRUE; | |
| 6838 } | |
| 6839 | |
| 6840 | |
| 6841 | |
| 6842 /************************************************************/ | |
| 6843 | |
| 6844 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6845 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6846 { | |
| 6847 type = t; | |
| 6848 } | |
| 6849 | |
| 6850 Expression *BoolExp::semantic(Scope *sc) | |
| 6851 { | |
| 6852 UnaExp::semantic(sc); | |
| 6853 e1 = resolveProperties(sc, e1); | |
| 6854 e1 = e1->checkToBoolean(); | |
| 6855 type = Type::tboolean; | |
| 6856 return this; | |
| 6857 } | |
| 6858 | |
| 6859 int BoolExp::isBit() | |
| 6860 { | |
| 6861 return TRUE; | |
| 6862 } | |
| 6863 | |
| 6864 /************************************************************/ | |
| 6865 | |
| 6866 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6867 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6868 { | |
| 6869 } | |
| 6870 | |
| 6871 Expression *DeleteExp::semantic(Scope *sc) | |
| 6872 { | |
| 6873 Type *tb; | |
| 6874 | |
| 6875 UnaExp::semantic(sc); | |
| 6876 e1 = resolveProperties(sc, e1); | |
| 6877 e1 = e1->toLvalue(sc, NULL); | |
| 6878 type = Type::tvoid; | |
| 6879 | |
| 6880 tb = e1->type->toBasetype(); | |
| 6881 switch (tb->ty) | |
| 6882 { case Tclass: | |
| 6883 { TypeClass *tc = (TypeClass *)tb; | |
| 6884 ClassDeclaration *cd = tc->sym; | |
| 6885 | |
| 6886 if (cd->isCOMinterface()) | |
| 6887 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6888 */ | |
| 6889 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6890 } | |
| 6891 break; | |
| 6892 } | |
| 6893 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
|
6894 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6895 if (tb->ty == Tstruct) |
| 6896 { | |
| 6897 TypeStruct *ts = (TypeStruct *)tb; | |
| 6898 StructDeclaration *sd = ts->sym; | |
| 6899 FuncDeclaration *f = sd->aggDelete; | |
| 6900 | |
| 6901 if (f) | |
| 6902 { | |
| 6903 Type *tpv = Type::tvoid->pointerTo(); | |
| 6904 | |
| 6905 Expression *e = e1->castTo(sc, tpv); | |
| 6906 Expression *ec = new VarExp(loc, f); | |
| 6907 e = new CallExp(loc, ec, e); | |
| 6908 return e->semantic(sc); | |
| 6909 } | |
| 6910 } | |
| 6911 break; | |
| 6912 | |
| 6913 case Tarray: | |
| 6914 break; | |
| 6915 | |
| 6916 default: | |
| 6917 if (e1->op == TOKindex) | |
| 6918 { | |
| 6919 IndexExp *ae = (IndexExp *)(e1); | |
| 6920 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6921 if (tb1->ty == Taarray) | |
| 6922 break; | |
| 6923 } | |
| 6924 error("cannot delete type %s", e1->type->toChars()); | |
| 6925 break; | |
| 6926 } | |
| 6927 | |
| 6928 if (e1->op == TOKindex) | |
| 6929 { | |
| 6930 IndexExp *ae = (IndexExp *)(e1); | |
| 6931 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6932 if (tb1->ty == Taarray) | |
| 6933 { if (!global.params.useDeprecated) | |
| 6934 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6935 } | |
| 6936 } | |
| 6937 | |
| 6938 return this; | |
| 6939 } | |
| 6940 | |
| 6941 int DeleteExp::checkSideEffect(int flag) | |
| 6942 { | |
| 6943 return 1; | |
| 6944 } | |
| 6945 | |
| 6946 Expression *DeleteExp::checkToBoolean() | |
| 6947 { | |
| 6948 error("delete does not give a boolean result"); | |
| 6949 return this; | |
| 6950 } | |
| 6951 | |
| 6952 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6953 { | |
| 6954 buf->writestring("delete "); | |
| 6955 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6956 } | |
| 6957 | |
| 6958 /************************************************************/ | |
| 6959 | |
| 6960 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6961 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6962 { | |
| 6963 to = t; | |
| 6964 } | |
| 6965 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6966 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6967 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6968 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6969 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
|
6970 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6973 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6974 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6975 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6976 |
| 159 | 6977 Expression *CastExp::syntaxCopy() |
| 6978 { | |
| 6979 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6980 } | |
| 6981 | |
| 6982 | |
| 6983 Expression *CastExp::semantic(Scope *sc) | |
| 6984 { Expression *e; | |
| 6985 BinExp *b; | |
| 6986 UnaExp *u; | |
| 6987 | |
| 6988 #if LOGSEMANTIC | |
| 6989 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6990 #endif | |
| 6991 | |
| 6992 //static int x; assert(++x < 10); | |
| 6993 | |
| 6994 if (type) | |
| 6995 return this; | |
| 6996 UnaExp::semantic(sc); | |
| 6997 if (e1->type) // if not a tuple | |
| 6998 { | |
| 6999 e1 = resolveProperties(sc, e1); | |
| 7000 to = to->semantic(loc, sc); | |
| 7001 | |
| 7002 e = op_overload(sc); | |
| 7003 if (e) | |
| 7004 { | |
| 7005 return e->implicitCastTo(sc, to); | |
| 7006 } | |
| 7007 | |
| 7008 Type *tob = to->toBasetype(); | |
| 7009 if (tob->ty == Tstruct && | |
| 7010 !tob->equals(e1->type->toBasetype()) && | |
| 7011 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7012 ) | |
| 7013 { | |
| 7014 /* Look to replace: | |
| 7015 * cast(S)t | |
| 7016 * with: | |
| 7017 * S(t) | |
| 7018 */ | |
| 7019 | |
| 7020 // Rewrite as to.call(e1) | |
| 7021 e = new TypeExp(loc, to); | |
| 7022 e = new DotIdExp(loc, e, Id::call); | |
| 7023 e = new CallExp(loc, e, e1); | |
| 7024 e = e->semantic(sc); | |
| 7025 return e; | |
| 7026 } | |
| 7027 } | |
| 7028 e = e1->castTo(sc, to); | |
| 7029 return e; | |
| 7030 } | |
| 7031 | |
| 7032 int CastExp::checkSideEffect(int flag) | |
| 7033 { | |
| 7034 /* if not: | |
| 7035 * cast(void) | |
| 7036 * cast(classtype)func() | |
| 7037 */ | |
| 7038 if (!to->equals(Type::tvoid) && | |
| 7039 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7040 return Expression::checkSideEffect(flag); | |
| 7041 return 1; | |
| 7042 } | |
| 7043 | |
| 7044 void CastExp::checkEscape() | |
| 7045 { Type *tb = type->toBasetype(); | |
| 7046 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7047 e1->type->toBasetype()->ty == Tsarray) | |
| 7048 { VarExp *ve = (VarExp *)e1; | |
| 7049 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7050 if (v) | |
| 7051 { | |
| 7052 if (!v->isDataseg() && !v->isParameter()) | |
| 7053 error("escaping reference to local %s", v->toChars()); | |
| 7054 } | |
| 7055 } | |
| 7056 } | |
| 7057 | |
| 7058 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7059 { | |
| 7060 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 #if DMDV1 |
| 159 | 7062 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 buf->writestring(Token::tochars[TOKconst]); |
|
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 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7087 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7088 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7089 #endif |
| 159 | 7090 buf->writeByte(')'); |
| 7091 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7092 } | |
| 7093 | |
| 7094 | |
| 7095 /************************************************************/ | |
| 7096 | |
| 7097 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7098 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7099 { | |
| 7100 this->upr = upr; | |
| 7101 this->lwr = lwr; | |
| 7102 lengthVar = NULL; | |
| 7103 } | |
| 7104 | |
| 7105 Expression *SliceExp::syntaxCopy() | |
| 7106 { | |
| 7107 Expression *lwr = NULL; | |
| 7108 if (this->lwr) | |
| 7109 lwr = this->lwr->syntaxCopy(); | |
| 7110 | |
| 7111 Expression *upr = NULL; | |
| 7112 if (this->upr) | |
| 7113 upr = this->upr->syntaxCopy(); | |
| 7114 | |
| 7115 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7116 } | |
| 7117 | |
| 7118 Expression *SliceExp::semantic(Scope *sc) | |
| 7119 { Expression *e; | |
| 7120 AggregateDeclaration *ad; | |
| 7121 //FuncDeclaration *fd; | |
| 7122 ScopeDsymbol *sym; | |
| 7123 | |
| 7124 #if LOGSEMANTIC | |
| 7125 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7126 #endif | |
| 7127 if (type) | |
| 7128 return this; | |
| 7129 | |
| 7130 UnaExp::semantic(sc); | |
| 7131 e1 = resolveProperties(sc, e1); | |
| 7132 | |
| 7133 e = this; | |
| 7134 | |
| 7135 Type *t = e1->type->toBasetype(); | |
| 7136 if (t->ty == Tpointer) | |
| 7137 { | |
| 7138 if (!lwr || !upr) | |
| 7139 error("need upper and lower bound to slice pointer"); | |
| 7140 } | |
| 7141 else if (t->ty == Tarray) | |
| 7142 { | |
| 7143 } | |
| 7144 else if (t->ty == Tsarray) | |
| 7145 { | |
| 7146 } | |
| 7147 else if (t->ty == Tclass) | |
| 7148 { | |
| 7149 ad = ((TypeClass *)t)->sym; | |
| 7150 goto L1; | |
| 7151 } | |
| 7152 else if (t->ty == Tstruct) | |
| 7153 { | |
| 7154 ad = ((TypeStruct *)t)->sym; | |
| 7155 | |
| 7156 L1: | |
| 7157 if (search_function(ad, Id::slice)) | |
| 7158 { | |
| 7159 // Rewrite as e1.slice(lwr, upr) | |
| 7160 e = new DotIdExp(loc, e1, Id::slice); | |
| 7161 | |
| 7162 if (lwr) | |
| 7163 { | |
| 7164 assert(upr); | |
| 7165 e = new CallExp(loc, e, lwr, upr); | |
| 7166 } | |
| 7167 else | |
| 7168 { assert(!upr); | |
| 7169 e = new CallExp(loc, e); | |
| 7170 } | |
| 7171 e = e->semantic(sc); | |
| 7172 return e; | |
| 7173 } | |
| 7174 goto Lerror; | |
| 7175 } | |
| 7176 else if (t->ty == Ttuple) | |
| 7177 { | |
| 7178 if (!lwr && !upr) | |
| 7179 return e1; | |
| 7180 if (!lwr || !upr) | |
| 7181 { error("need upper and lower bound to slice tuple"); | |
| 7182 goto Lerror; | |
| 7183 } | |
| 7184 } | |
| 7185 else | |
| 7186 goto Lerror; | |
| 7187 | |
| 7188 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7189 { | |
| 7190 sym = new ArrayScopeSymbol(this); | |
| 7191 sym->loc = loc; | |
| 7192 sym->parent = sc->scopesym; | |
| 7193 sc = sc->push(sym); | |
| 7194 } | |
| 7195 | |
| 7196 if (lwr) | |
| 7197 { lwr = lwr->semantic(sc); | |
| 7198 lwr = resolveProperties(sc, lwr); | |
| 7199 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7200 } | |
| 7201 if (upr) | |
| 7202 { upr = upr->semantic(sc); | |
| 7203 upr = resolveProperties(sc, upr); | |
| 7204 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7205 } | |
| 7206 | |
| 7207 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7208 sc->pop(); | |
| 7209 | |
| 7210 if (t->ty == Ttuple) | |
| 7211 { | |
| 7212 lwr = lwr->optimize(WANTvalue); | |
| 7213 upr = upr->optimize(WANTvalue); | |
| 7214 uinteger_t i1 = lwr->toUInteger(); | |
| 7215 uinteger_t i2 = upr->toUInteger(); | |
| 7216 | |
| 7217 size_t length; | |
| 7218 TupleExp *te; | |
| 7219 TypeTuple *tup; | |
| 7220 | |
| 7221 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7222 { te = (TupleExp *)e1; | |
| 7223 length = te->exps->dim; | |
| 7224 } | |
| 7225 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7226 { tup = (TypeTuple *)t; | |
| 7227 length = Argument::dim(tup->arguments); | |
| 7228 } | |
| 7229 else | |
| 7230 assert(0); | |
| 7231 | |
| 7232 if (i1 <= i2 && i2 <= length) | |
| 7233 { size_t j1 = (size_t) i1; | |
| 7234 size_t j2 = (size_t) i2; | |
| 7235 | |
| 7236 if (e1->op == TOKtuple) | |
| 7237 { Expressions *exps = new Expressions; | |
| 7238 exps->setDim(j2 - j1); | |
| 7239 for (size_t i = 0; i < j2 - j1; i++) | |
| 7240 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7241 exps->data[i] = (void *)e; | |
| 7242 } | |
| 7243 e = new TupleExp(loc, exps); | |
| 7244 } | |
| 7245 else | |
| 7246 { Arguments *args = new Arguments; | |
| 7247 args->reserve(j2 - j1); | |
| 7248 for (size_t i = j1; i < j2; i++) | |
| 7249 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7250 args->push(arg); | |
| 7251 } | |
| 7252 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7253 } | |
| 7254 e = e->semantic(sc); | |
| 7255 } | |
| 7256 else | |
| 7257 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7258 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7259 e = e1; |
| 7260 } | |
| 7261 return e; | |
| 7262 } | |
| 7263 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7264 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7265 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7266 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7267 type = t->nextOf()->arrayOf(); |
| 159 | 7268 return e; |
| 7269 | |
| 7270 Lerror: | |
| 7271 char *s; | |
| 7272 if (t->ty == Tvoid) | |
| 7273 s = e1->toChars(); | |
| 7274 else | |
| 7275 s = t->toChars(); | |
| 7276 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
|
7277 e = new IntegerExp(0); |
| 159 | 7278 return e; |
| 7279 } | |
| 7280 | |
| 7281 void SliceExp::checkEscape() | |
| 7282 { | |
| 7283 e1->checkEscape(); | |
| 7284 } | |
| 7285 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7286 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7287 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7288 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7289 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7290 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7291 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7292 |
| 159 | 7293 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7294 { | |
| 7295 return this; | |
| 7296 } | |
| 7297 | |
| 7298 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7299 { | |
| 7300 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7301 return this; | |
| 7302 } | |
| 7303 | |
| 7304 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7305 { | |
| 7306 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7307 buf->writeByte('['); | |
| 7308 if (upr || lwr) | |
| 7309 { | |
| 7310 if (lwr) | |
| 7311 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7312 else | |
| 7313 buf->writeByte('0'); | |
| 7314 buf->writestring(".."); | |
| 7315 if (upr) | |
| 7316 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7317 else | |
| 7318 buf->writestring("length"); // BUG: should be array.length | |
| 7319 } | |
| 7320 buf->writeByte(']'); | |
| 7321 } | |
| 7322 | |
| 7323 /********************** ArrayLength **************************************/ | |
| 7324 | |
| 7325 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7326 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7327 { | |
| 7328 } | |
| 7329 | |
| 7330 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7331 { Expression *e; | |
| 7332 | |
| 7333 #if LOGSEMANTIC | |
| 7334 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7335 #endif | |
| 7336 if (!type) | |
| 7337 { | |
| 7338 UnaExp::semantic(sc); | |
| 7339 e1 = resolveProperties(sc, e1); | |
| 7340 | |
| 7341 type = Type::tsize_t; | |
| 7342 } | |
| 7343 return this; | |
| 7344 } | |
| 7345 | |
| 7346 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7347 { | |
| 7348 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7349 buf->writestring(".length"); | |
| 7350 } | |
| 7351 | |
| 7352 /*********************** ArrayExp *************************************/ | |
| 7353 | |
| 7354 // e1 [ i1, i2, i3, ... ] | |
| 7355 | |
| 7356 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7357 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7358 { | |
| 7359 arguments = args; | |
| 7360 } | |
| 7361 | |
| 7362 Expression *ArrayExp::syntaxCopy() | |
| 7363 { | |
| 7364 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7365 } | |
| 7366 | |
| 7367 Expression *ArrayExp::semantic(Scope *sc) | |
| 7368 { Expression *e; | |
| 7369 Type *t1; | |
| 7370 | |
| 7371 #if LOGSEMANTIC | |
| 7372 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7373 #endif | |
| 7374 UnaExp::semantic(sc); | |
| 7375 e1 = resolveProperties(sc, e1); | |
| 7376 | |
| 7377 t1 = e1->type->toBasetype(); | |
| 7378 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7379 { // Convert to IndexExp | |
| 7380 if (arguments->dim != 1) | |
| 7381 error("only one index allowed to index %s", t1->toChars()); | |
| 7382 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7383 return e->semantic(sc); | |
| 7384 } | |
| 7385 | |
| 7386 // Run semantic() on each argument | |
| 7387 for (size_t i = 0; i < arguments->dim; i++) | |
| 7388 { e = (Expression *)arguments->data[i]; | |
| 7389 | |
| 7390 e = e->semantic(sc); | |
| 7391 if (!e->type) | |
| 7392 error("%s has no value", e->toChars()); | |
| 7393 arguments->data[i] = (void *)e; | |
| 7394 } | |
| 7395 | |
| 7396 expandTuples(arguments); | |
| 7397 assert(arguments && arguments->dim); | |
| 7398 | |
| 7399 e = op_overload(sc); | |
| 7400 if (!e) | |
| 7401 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7402 e = e1; | |
| 7403 } | |
| 7404 return e; | |
| 7405 } | |
| 7406 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7407 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7408 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7409 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7410 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7411 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7412 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7413 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7414 #endif |
| 159 | 7415 |
| 7416 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7417 { | |
| 7418 if (type && type->toBasetype()->ty == Tvoid) | |
| 7419 error("voids have no value"); | |
| 7420 return this; | |
| 7421 } | |
| 7422 | |
| 7423 | |
| 7424 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7425 { int i; | |
| 7426 | |
| 7427 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7428 buf->writeByte('['); | |
| 7429 argsToCBuffer(buf, arguments, hgs); | |
| 7430 buf->writeByte(']'); | |
| 7431 } | |
| 7432 | |
| 7433 /************************* DotExp ***********************************/ | |
| 7434 | |
| 7435 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7436 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7437 { | |
| 7438 } | |
| 7439 | |
| 7440 Expression *DotExp::semantic(Scope *sc) | |
| 7441 { | |
| 7442 #if LOGSEMANTIC | |
| 7443 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7444 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7445 #endif | |
| 7446 e1 = e1->semantic(sc); | |
| 7447 e2 = e2->semantic(sc); | |
| 7448 if (e2->op == TOKimport) | |
| 7449 { | |
| 7450 ScopeExp *se = (ScopeExp *)e2; | |
| 7451 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7452 if (td) | |
| 7453 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7454 e = e->semantic(sc); | |
| 7455 return e; | |
| 7456 } | |
| 7457 } | |
| 7458 if (!type) | |
| 7459 type = e2->type; | |
| 7460 return this; | |
| 7461 } | |
| 7462 | |
| 7463 | |
| 7464 /************************* CommaExp ***********************************/ | |
| 7465 | |
| 7466 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7467 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7468 { | |
| 7469 } | |
| 7470 | |
| 7471 Expression *CommaExp::semantic(Scope *sc) | |
| 7472 { | |
| 7473 if (!type) | |
| 7474 { BinExp::semanticp(sc); | |
| 7475 type = e2->type; | |
| 7476 } | |
| 7477 return this; | |
| 7478 } | |
| 7479 | |
| 7480 void CommaExp::checkEscape() | |
| 7481 { | |
| 7482 e2->checkEscape(); | |
| 7483 } | |
| 7484 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7486 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7487 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7488 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7489 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7490 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7491 |
| 159 | 7492 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7493 { | |
| 7494 e2 = e2->toLvalue(sc, NULL); | |
| 7495 return this; | |
| 7496 } | |
| 7497 | |
| 7498 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7499 { | |
| 7500 e2 = e2->modifiableLvalue(sc, e); | |
| 7501 return this; | |
| 7502 } | |
| 7503 | |
| 7504 int CommaExp::isBool(int result) | |
| 7505 { | |
| 7506 return e2->isBool(result); | |
| 7507 } | |
| 7508 | |
| 7509 int CommaExp::checkSideEffect(int flag) | |
| 7510 { | |
| 7511 if (flag == 2) | |
| 7512 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7513 else | |
| 7514 { | |
| 7515 // Don't check e1 until we cast(void) the a,b code generation | |
| 7516 return e2->checkSideEffect(flag); | |
| 7517 } | |
| 7518 } | |
| 7519 | |
| 7520 /************************** IndexExp **********************************/ | |
| 7521 | |
| 7522 // e1 [ e2 ] | |
| 7523 | |
| 7524 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7525 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7526 { | |
| 7527 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7528 lengthVar = NULL; | |
| 7529 modifiable = 0; // assume it is an rvalue | |
| 7530 } | |
| 7531 | |
| 7532 Expression *IndexExp::semantic(Scope *sc) | |
| 7533 { Expression *e; | |
| 7534 BinExp *b; | |
| 7535 UnaExp *u; | |
| 7536 Type *t1; | |
| 7537 ScopeDsymbol *sym; | |
| 7538 | |
| 7539 #if LOGSEMANTIC | |
| 7540 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7541 #endif | |
| 7542 if (type) | |
| 7543 return this; | |
| 7544 if (!e1->type) | |
| 7545 e1 = e1->semantic(sc); | |
| 7546 assert(e1->type); // semantic() should already be run on it | |
| 7547 e = this; | |
| 7548 | |
| 7549 // Note that unlike C we do not implement the int[ptr] | |
| 7550 | |
| 7551 t1 = e1->type->toBasetype(); | |
| 7552 | |
| 7553 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7554 { // Create scope for 'length' variable | |
| 7555 sym = new ArrayScopeSymbol(this); | |
| 7556 sym->loc = loc; | |
| 7557 sym->parent = sc->scopesym; | |
| 7558 sc = sc->push(sym); | |
| 7559 } | |
| 7560 | |
| 7561 e2 = e2->semantic(sc); | |
| 7562 if (!e2->type) | |
| 7563 { | |
| 7564 error("%s has no value", e2->toChars()); | |
| 7565 e2->type = Type::terror; | |
| 7566 } | |
| 7567 e2 = resolveProperties(sc, e2); | |
| 7568 | |
| 7569 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7570 sc = sc->pop(); | |
| 7571 | |
| 7572 switch (t1->ty) | |
| 7573 { | |
| 7574 case Tpointer: | |
| 7575 case Tarray: | |
| 7576 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7577 e->type = t1->next; | |
| 7578 break; | |
| 7579 | |
| 7580 case Tsarray: | |
| 7581 { | |
| 7582 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7583 | |
| 7584 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7585 | |
| 7586 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7587 // Do compile time array bounds checking if possible | |
| 7588 e2 = e2->optimize(WANTvalue); | |
| 7589 if (e2->op == TOKint64) | |
| 7590 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7591 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7592 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7593 if (index < 0 || index >= length) |
| 7594 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7595 index, length); | |
| 7596 } | |
| 7597 #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
|
7598 e->type = t1->nextOf(); |
| 159 | 7599 break; |
| 7600 } | |
| 7601 | |
| 7602 case Taarray: | |
| 7603 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7604 | |
| 7605 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7606 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7607 type = taa->next; | |
| 7608 break; | |
| 7609 } | |
| 7610 | |
| 7611 case Ttuple: | |
| 7612 { | |
| 7613 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7614 e2 = e2->optimize(WANTvalue); | |
| 7615 uinteger_t index = e2->toUInteger(); | |
| 7616 size_t length; | |
| 7617 TupleExp *te; | |
| 7618 TypeTuple *tup; | |
| 7619 | |
| 7620 if (e1->op == TOKtuple) | |
| 7621 { te = (TupleExp *)e1; | |
| 7622 length = te->exps->dim; | |
| 7623 } | |
| 7624 else if (e1->op == TOKtype) | |
| 7625 { | |
| 7626 tup = (TypeTuple *)t1; | |
| 7627 length = Argument::dim(tup->arguments); | |
| 7628 } | |
| 7629 else | |
| 7630 assert(0); | |
| 7631 | |
| 7632 if (index < length) | |
| 7633 { | |
| 7634 | |
| 7635 if (e1->op == TOKtuple) | |
| 7636 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7637 else | |
| 7638 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7639 } | |
| 7640 else | |
| 7641 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7642 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
|
7643 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7644 e = e1; |
| 159 | 7645 } |
| 7646 break; | |
| 7647 } | |
| 7648 | |
| 7649 default: | |
| 7650 error("%s must be an array or pointer type, not %s", | |
| 7651 e1->toChars(), e1->type->toChars()); | |
| 7652 type = Type::tint32; | |
| 7653 break; | |
| 7654 } | |
| 7655 return e; | |
| 7656 } | |
| 7657 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7658 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7659 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7660 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7661 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7662 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7663 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7664 |
| 159 | 7665 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7666 { | |
| 7667 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7668 // error("voids have no value"); | |
| 7669 return this; | |
| 7670 } | |
| 7671 | |
| 7672 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7673 { | |
| 7674 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7675 modifiable = 1; | |
| 7676 if (e1->op == TOKstring) | |
| 7677 error("string literals are immutable"); | |
| 7678 if (e1->type->toBasetype()->ty == Taarray) | |
| 7679 e1 = e1->modifiableLvalue(sc, e1); | |
| 7680 return toLvalue(sc, e); | |
| 7681 } | |
| 7682 | |
| 7683 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7684 { | |
| 7685 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7686 buf->writeByte('['); | |
| 7687 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7688 buf->writeByte(']'); | |
| 7689 } | |
| 7690 | |
| 7691 | |
| 7692 /************************* PostExp ***********************************/ | |
| 7693 | |
| 7694 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7695 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7696 new IntegerExp(loc, 1, Type::tint32)) | |
| 7697 { | |
| 7698 } | |
| 7699 | |
| 7700 Expression *PostExp::semantic(Scope *sc) | |
| 7701 { Expression *e = this; | |
| 7702 | |
| 7703 if (!type) | |
| 7704 { | |
| 7705 BinExp::semantic(sc); | |
| 7706 e2 = resolveProperties(sc, e2); | |
| 7707 | |
| 7708 e = op_overload(sc); | |
| 7709 if (e) | |
| 7710 return e; | |
| 7711 | |
| 7712 e = this; | |
| 7713 e1 = e1->modifiableLvalue(sc, e1); | |
| 7714 e1->checkScalar(); | |
| 7715 e1->checkNoBool(); | |
| 7716 if (e1->type->ty == Tpointer) | |
| 7717 e = scaleFactor(sc); | |
| 7718 else | |
| 7719 e2 = e2->castTo(sc, e1->type); | |
| 7720 e->type = e1->type; | |
| 7721 } | |
| 7722 return e; | |
| 7723 } | |
| 7724 | |
| 7725 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7726 { | |
| 7727 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7728 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7729 } | |
| 7730 | |
| 7731 /************************************************************/ | |
| 7732 | |
| 7733 /* Can be TOKconstruct too */ | |
| 7734 | |
| 7735 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7736 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7737 { | |
| 7738 ismemset = 0; | |
| 7739 } | |
| 7740 | |
| 7741 Expression *AssignExp::semantic(Scope *sc) | |
| 7742 { Type *t1; | |
| 7743 Expression *e1old = e1; | |
| 7744 | |
| 7745 #if LOGSEMANTIC | |
| 7746 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7747 #endif | |
| 7748 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7749 | |
| 7750 /* Look for operator overloading of a[i]=value. | |
| 7751 * Do it before semantic() otherwise the a[i] will have been | |
| 7752 * converted to a.opIndex() already. | |
| 7753 */ | |
| 7754 if (e1->op == TOKarray) | |
| 7755 { Type *t1; | |
| 7756 ArrayExp *ae = (ArrayExp *)e1; | |
| 7757 AggregateDeclaration *ad; | |
| 7758 Identifier *id = Id::index; | |
| 7759 | |
| 7760 ae->e1 = ae->e1->semantic(sc); | |
| 7761 t1 = ae->e1->type->toBasetype(); | |
| 7762 if (t1->ty == Tstruct) | |
| 7763 { | |
| 7764 ad = ((TypeStruct *)t1)->sym; | |
| 7765 goto L1; | |
| 7766 } | |
| 7767 else if (t1->ty == Tclass) | |
| 7768 { | |
| 7769 ad = ((TypeClass *)t1)->sym; | |
| 7770 L1: | |
| 7771 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7772 if (search_function(ad, Id::indexass)) | |
| 7773 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7774 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7775 | |
| 7776 a->insert(0, e2); | |
| 7777 e = new CallExp(loc, e, a); | |
| 7778 e = e->semantic(sc); | |
| 7779 return e; | |
| 7780 } | |
| 7781 else | |
| 7782 { | |
| 7783 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7784 if (search_function(ad, id)) | |
| 7785 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7786 | |
| 7787 if (1 || !global.params.useDeprecated) | |
| 7788 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7789 | |
| 7790 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7791 e = e->semantic(sc); | |
| 7792 return e; | |
| 7793 } | |
| 7794 } | |
| 7795 } | |
| 7796 } | |
| 7797 /* Look for operator overloading of a[i..j]=value. | |
| 7798 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7799 * converted to a.opSlice() already. | |
| 7800 */ | |
| 7801 if (e1->op == TOKslice) | |
| 7802 { Type *t1; | |
| 7803 SliceExp *ae = (SliceExp *)e1; | |
| 7804 AggregateDeclaration *ad; | |
| 7805 Identifier *id = Id::index; | |
| 7806 | |
| 7807 ae->e1 = ae->e1->semantic(sc); | |
| 7808 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7809 t1 = ae->e1->type->toBasetype(); | |
| 7810 if (t1->ty == Tstruct) | |
| 7811 { | |
| 7812 ad = ((TypeStruct *)t1)->sym; | |
| 7813 goto L2; | |
| 7814 } | |
| 7815 else if (t1->ty == Tclass) | |
| 7816 { | |
| 7817 ad = ((TypeClass *)t1)->sym; | |
| 7818 L2: | |
| 7819 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7820 if (search_function(ad, Id::sliceass)) | |
| 7821 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7822 Expressions *a = new Expressions(); | |
| 7823 | |
| 7824 a->push(e2); | |
| 7825 if (ae->lwr) | |
| 7826 { a->push(ae->lwr); | |
| 7827 assert(ae->upr); | |
| 7828 a->push(ae->upr); | |
| 7829 } | |
| 7830 else | |
| 7831 assert(!ae->upr); | |
| 7832 e = new CallExp(loc, e, a); | |
| 7833 e = e->semantic(sc); | |
| 7834 return e; | |
| 7835 } | |
| 7836 } | |
| 7837 } | |
| 7838 | |
| 7839 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7840 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7841 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7842 { // 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
|
7843 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7844 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7845 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7846 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7847 |
| 159 | 7848 e2 = resolveProperties(sc, e2); |
| 7849 assert(e1->type); | |
| 7850 | |
| 7851 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7852 */ | |
| 7853 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7854 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7855 TupleExp *tup2 = (TupleExp *)e2; | |
| 7856 size_t dim = tup1->exps->dim; | |
| 7857 if (dim != tup2->exps->dim) | |
| 7858 { | |
| 7859 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7860 } | |
| 7861 else | |
| 7862 { Expressions *exps = new Expressions; | |
| 7863 exps->setDim(dim); | |
| 7864 | |
| 7865 for (int i = 0; i < dim; i++) | |
| 7866 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7867 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7868 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7869 } | |
| 7870 Expression *e = new TupleExp(loc, exps); | |
| 7871 e = e->semantic(sc); | |
| 7872 return e; | |
| 7873 } | |
| 7874 } | |
| 7875 | |
| 7876 t1 = e1->type->toBasetype(); | |
| 7877 | |
| 7878 if (t1->ty == Tfunction) | |
| 7879 { // Rewrite f=value to f(value) | |
| 7880 Expression *e; | |
| 7881 | |
| 7882 e = new CallExp(loc, e1, e2); | |
| 7883 e = e->semantic(sc); | |
| 7884 return e; | |
| 7885 } | |
| 7886 | |
| 7887 /* If it is an assignment from a 'foreign' type, | |
| 7888 * check for operator overloading. | |
| 7889 */ | |
| 7890 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7891 { | |
| 7892 if (!e2->type->implicitConvTo(e1->type)) | |
| 7893 { | |
| 7894 Expression *e = op_overload(sc); | |
| 7895 if (e) | |
| 7896 return e; | |
| 7897 } | |
| 7898 } | |
| 7899 | |
| 7900 e2->rvalue(); | |
| 7901 | |
| 7902 if (e1->op == TOKarraylength) | |
| 7903 { | |
| 7904 // e1 is not an lvalue, but we let code generator handle it | |
| 7905 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7906 | |
| 7907 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7908 } | |
| 7909 else if (e1->op == TOKslice) | |
| 7910 ; | |
| 7911 else | |
| 7912 { // Try to do a decent error message with the expression | |
| 7913 // before it got constant folded | |
| 7914 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7915 } | |
| 7916 | |
| 7917 if (e1->op == TOKslice && | |
| 7918 t1->nextOf() && | |
| 7919 e2->implicitConvTo(t1->nextOf()) | |
| 7920 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7921 ) | |
| 7922 { // memset | |
| 7923 ismemset = 1; // make it easy for back end to tell what this is | |
| 7924 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7925 } | |
| 7926 else if (t1->ty == Tsarray) | |
| 7927 { | |
| 7928 error("cannot assign to static array %s", e1->toChars()); | |
| 7929 } | |
| 7930 else | |
| 7931 { | |
| 7932 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7933 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7934 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7935 /* 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
|
7936 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7937 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
|
7938 (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
|
7939 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
|
7940 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
|
7941 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
|
7942 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
|
7943 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7944 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
|
7945 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
|
7946 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7947 |
| 159 | 7948 type = e1->type; |
| 7949 assert(type); | |
| 7950 return this; | |
| 7951 } | |
| 7952 | |
| 7953 Expression *AssignExp::checkToBoolean() | |
| 7954 { | |
| 7955 // Things like: | |
| 7956 // if (a = b) ... | |
| 7957 // are usually mistakes. | |
| 7958 | |
| 7959 error("'=' does not give a boolean result"); | |
| 7960 return this; | |
| 7961 } | |
| 7962 | |
| 7963 /************************************************************/ | |
| 7964 | |
| 7965 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7966 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7967 { | |
| 7968 } | |
| 7969 | |
| 7970 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7971 { Expression *e; | |
| 7972 | |
| 7973 if (type) | |
| 7974 return this; | |
| 7975 | |
| 7976 BinExp::semantic(sc); | |
| 7977 e2 = resolveProperties(sc, e2); | |
| 7978 | |
| 7979 e = op_overload(sc); | |
| 7980 if (e) | |
| 7981 return e; | |
| 7982 | |
| 7983 Type *tb1 = e1->type->toBasetype(); | |
| 7984 Type *tb2 = e2->type->toBasetype(); | |
| 7985 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7986 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
|
7987 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7988 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
|
7989 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
|
7990 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
|
7991 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7992 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7993 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7994 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
|
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 |
| 159 | 7997 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7998 (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
|
7999 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8000 ) |
| 8001 { | |
| 8002 type = e1->type; | |
| 8003 e = this; | |
| 8004 } | |
| 8005 else | |
| 8006 { | |
| 8007 e1->checkScalar(); | |
| 8008 e1->checkNoBool(); | |
| 8009 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8010 e = scaleFactor(sc); | |
| 8011 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8012 { | |
| 8013 #if 0 | |
| 8014 // Need to rethink this | |
| 8015 if (e1->op != TOKvar) | |
| 8016 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8017 VarDeclaration *v; | |
| 8018 Expression *ea; | |
| 8019 Expression *ex; | |
| 8020 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8021 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8022 |
| 8023 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8024 v->semantic(sc); | |
| 8025 if (!sc->insert(v)) | |
| 8026 assert(0); | |
| 8027 v->parent = sc->func; | |
| 8028 | |
| 8029 ea = new AddrExp(loc, e1); | |
| 8030 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8031 | |
| 8032 ex = new VarExp(loc, v); | |
| 8033 ex = new PtrExp(loc, ex); | |
| 8034 e = new AddExp(loc, ex, e2); | |
| 8035 e = new CastExp(loc, e, e1->type); | |
| 8036 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8037 | |
| 8038 e = new CommaExp(loc, ea, e); | |
| 8039 } | |
| 8040 else | |
| 8041 #endif | |
| 8042 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8043 // BUG: doesn't account for side effects in e1 | |
| 8044 // BUG: other assignment operators for bits aren't handled at all | |
| 8045 e = new AddExp(loc, e1, e2); | |
| 8046 e = new CastExp(loc, e, e1->type); | |
| 8047 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8048 } | |
| 8049 e = e->semantic(sc); | |
| 8050 } | |
| 8051 else | |
| 8052 { | |
| 8053 type = e1->type; | |
| 8054 typeCombine(sc); | |
| 8055 e1->checkArithmetic(); | |
| 8056 e2->checkArithmetic(); | |
| 8057 if (type->isreal() || type->isimaginary()) | |
| 8058 { | |
| 8059 assert(global.errors || e2->type->isfloating()); | |
| 8060 e2 = e2->castTo(sc, e1->type); | |
| 8061 } | |
| 8062 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8063 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8064 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
|
8065 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8066 } |
| 8067 } | |
| 8068 return e; | |
| 8069 } | |
| 8070 | |
| 8071 /************************************************************/ | |
| 8072 | |
| 8073 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8074 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8075 { | |
| 8076 } | |
| 8077 | |
| 8078 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8079 { Expression *e; | |
| 8080 | |
| 8081 if (type) | |
| 8082 return this; | |
| 8083 | |
| 8084 BinExp::semantic(sc); | |
| 8085 e2 = resolveProperties(sc, e2); | |
| 8086 | |
| 8087 e = op_overload(sc); | |
| 8088 if (e) | |
| 8089 return e; | |
| 8090 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8091 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
|
8092 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8093 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
|
8094 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
|
8095 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
|
8096 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8097 |
| 159 | 8098 e1 = e1->modifiableLvalue(sc, e1); |
| 8099 e1->checkScalar(); | |
| 8100 e1->checkNoBool(); | |
| 8101 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8102 e = scaleFactor(sc); | |
| 8103 else | |
| 8104 { | |
| 8105 e1 = e1->checkArithmetic(); | |
| 8106 e2 = e2->checkArithmetic(); | |
| 8107 type = e1->type; | |
| 8108 typeCombine(sc); | |
| 8109 if (type->isreal() || type->isimaginary()) | |
| 8110 { | |
| 8111 assert(e2->type->isfloating()); | |
| 8112 e2 = e2->castTo(sc, e1->type); | |
| 8113 } | |
| 8114 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8115 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8116 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
|
8117 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8118 } |
| 8119 return e; | |
| 8120 } | |
| 8121 | |
| 8122 /************************************************************/ | |
| 8123 | |
| 8124 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8125 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8126 { | |
| 8127 } | |
| 8128 | |
| 8129 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8130 { Expression *e; | |
| 8131 | |
| 8132 BinExp::semantic(sc); | |
| 8133 e2 = resolveProperties(sc, e2); | |
| 8134 | |
| 8135 e = op_overload(sc); | |
| 8136 if (e) | |
| 8137 return e; | |
| 8138 | |
| 8139 if (e1->op == TOKslice) | |
| 8140 { SliceExp *se = (SliceExp *)e1; | |
| 8141 | |
| 8142 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8143 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8144 } | |
| 8145 | |
| 8146 e1 = e1->modifiableLvalue(sc, e1); | |
| 8147 | |
| 8148 Type *tb1 = e1->type->toBasetype(); | |
| 8149 Type *tb2 = e2->type->toBasetype(); | |
| 8150 | |
| 8151 e2->rvalue(); | |
| 8152 | |
| 8153 if ((tb1->ty == Tarray) && | |
| 8154 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8155 e2->implicitConvTo(e1->type) | |
| 8156 //e1->type->next->equals(e2->type->next) | |
| 8157 ) | |
| 8158 { // Append array | |
| 8159 e2 = e2->castTo(sc, e1->type); | |
| 8160 type = e1->type; | |
| 8161 e = this; | |
| 8162 } | |
| 8163 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
|
8164 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8165 ) |
| 8166 { // 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
|
8167 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8168 type = e1->type; |
| 8169 e = this; | |
| 8170 } | |
| 8171 else | |
| 8172 { | |
| 8173 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8174 type = Type::tint32; | |
| 8175 e = this; | |
| 8176 } | |
| 8177 return e; | |
| 8178 } | |
| 8179 | |
| 8180 /************************************************************/ | |
| 8181 | |
| 8182 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8183 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8184 { | |
| 8185 } | |
| 8186 | |
| 8187 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8188 { Expression *e; | |
| 8189 | |
| 8190 BinExp::semantic(sc); | |
| 8191 e2 = resolveProperties(sc, e2); | |
| 8192 | |
| 8193 e = op_overload(sc); | |
| 8194 if (e) | |
| 8195 return e; | |
| 8196 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8197 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
|
8198 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8199 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
|
8200 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
|
8201 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
|
8202 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8203 |
| 159 | 8204 e1 = e1->modifiableLvalue(sc, e1); |
| 8205 e1->checkScalar(); | |
| 8206 e1->checkNoBool(); | |
| 8207 type = e1->type; | |
| 8208 typeCombine(sc); | |
| 8209 e1->checkArithmetic(); | |
| 8210 e2->checkArithmetic(); | |
| 8211 if (e2->type->isfloating()) | |
| 8212 { Type *t1; | |
| 8213 Type *t2; | |
| 8214 | |
| 8215 t1 = e1->type; | |
| 8216 t2 = e2->type; | |
| 8217 if (t1->isreal()) | |
| 8218 { | |
| 8219 if (t2->isimaginary() || t2->iscomplex()) | |
| 8220 { | |
| 8221 e2 = e2->castTo(sc, t1); | |
| 8222 } | |
| 8223 } | |
| 8224 else if (t1->isimaginary()) | |
| 8225 { | |
| 8226 if (t2->isimaginary() || t2->iscomplex()) | |
| 8227 { | |
| 8228 switch (t1->ty) | |
| 8229 { | |
| 8230 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8231 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8232 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8233 default: | |
| 8234 assert(0); | |
| 8235 } | |
| 8236 e2 = e2->castTo(sc, t2); | |
| 8237 } | |
| 8238 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8239 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8240 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
|
8241 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8242 } |
| 8243 return this; | |
| 8244 } | |
| 8245 | |
| 8246 /************************************************************/ | |
| 8247 | |
| 8248 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8249 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8250 { | |
| 8251 } | |
| 8252 | |
| 8253 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8254 { Expression *e; | |
| 8255 | |
| 8256 BinExp::semantic(sc); | |
| 8257 e2 = resolveProperties(sc, e2); | |
| 8258 | |
| 8259 e = op_overload(sc); | |
| 8260 if (e) | |
| 8261 return e; | |
| 8262 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8263 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
|
8264 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8265 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
|
8266 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
|
8267 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
|
8268 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8269 |
| 159 | 8270 e1 = e1->modifiableLvalue(sc, e1); |
| 8271 e1->checkScalar(); | |
| 8272 e1->checkNoBool(); | |
| 8273 type = e1->type; | |
| 8274 typeCombine(sc); | |
| 8275 e1->checkArithmetic(); | |
| 8276 e2->checkArithmetic(); | |
| 8277 if (e2->type->isimaginary()) | |
| 8278 { Type *t1; | |
| 8279 Type *t2; | |
| 8280 | |
| 8281 t1 = e1->type; | |
| 8282 if (t1->isreal()) | |
| 8283 { // x/iv = i(-x/v) | |
| 8284 // Therefore, the result is 0 | |
| 8285 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8286 e2->type = t1; | |
| 8287 e = new AssignExp(loc, e1, e2); | |
| 8288 e->type = t1; | |
| 8289 return e; | |
| 8290 } | |
| 8291 else if (t1->isimaginary()) | |
| 8292 { Expression *e; | |
| 8293 | |
| 8294 switch (t1->ty) | |
| 8295 { | |
| 8296 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8297 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8298 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8299 default: | |
| 8300 assert(0); | |
| 8301 } | |
| 8302 e2 = e2->castTo(sc, t2); | |
| 8303 e = new AssignExp(loc, e1, e2); | |
| 8304 e->type = t1; | |
| 8305 return e; | |
| 8306 } | |
| 8307 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8308 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8309 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
|
8310 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
|
8311 |
| 159 | 8312 return this; |
| 8313 } | |
| 8314 | |
| 8315 /************************************************************/ | |
| 8316 | |
| 8317 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8318 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8319 { | |
| 8320 } | |
| 8321 | |
| 8322 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8323 { | |
| 8324 return commonSemanticAssign(sc); | |
| 8325 } | |
| 8326 | |
| 8327 /************************************************************/ | |
| 8328 | |
| 8329 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8330 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8331 { | |
| 8332 } | |
| 8333 | |
| 8334 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8335 { Expression *e; | |
| 8336 | |
| 8337 //printf("ShlAssignExp::semantic()\n"); | |
| 8338 BinExp::semantic(sc); | |
| 8339 e2 = resolveProperties(sc, e2); | |
| 8340 | |
| 8341 e = op_overload(sc); | |
| 8342 if (e) | |
| 8343 return e; | |
| 8344 | |
| 8345 e1 = e1->modifiableLvalue(sc, e1); | |
| 8346 e1->checkScalar(); | |
| 8347 e1->checkNoBool(); | |
| 8348 type = e1->type; | |
| 8349 typeCombine(sc); | |
| 8350 e1->checkIntegral(); | |
| 8351 e2 = e2->checkIntegral(); | |
| 8352 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8353 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8354 return this; |
| 8355 } | |
| 8356 | |
| 8357 /************************************************************/ | |
| 8358 | |
| 8359 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8360 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8361 { | |
| 8362 } | |
| 8363 | |
| 8364 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8365 { Expression *e; | |
| 8366 | |
| 8367 BinExp::semantic(sc); | |
| 8368 e2 = resolveProperties(sc, e2); | |
| 8369 | |
| 8370 e = op_overload(sc); | |
| 8371 if (e) | |
| 8372 return e; | |
| 8373 | |
| 8374 e1 = e1->modifiableLvalue(sc, e1); | |
| 8375 e1->checkScalar(); | |
| 8376 e1->checkNoBool(); | |
| 8377 type = e1->type; | |
| 8378 typeCombine(sc); | |
| 8379 e1->checkIntegral(); | |
| 8380 e2 = e2->checkIntegral(); | |
| 8381 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8382 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8383 return this; |
| 8384 } | |
| 8385 | |
| 8386 /************************************************************/ | |
| 8387 | |
| 8388 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8389 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8390 { | |
| 8391 } | |
| 8392 | |
| 8393 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8394 { Expression *e; | |
| 8395 | |
| 8396 BinExp::semantic(sc); | |
| 8397 e2 = resolveProperties(sc, e2); | |
| 8398 | |
| 8399 e = op_overload(sc); | |
| 8400 if (e) | |
| 8401 return e; | |
| 8402 | |
| 8403 e1 = e1->modifiableLvalue(sc, e1); | |
| 8404 e1->checkScalar(); | |
| 8405 e1->checkNoBool(); | |
| 8406 type = e1->type; | |
| 8407 typeCombine(sc); | |
| 8408 e1->checkIntegral(); | |
| 8409 e2 = e2->checkIntegral(); | |
| 8410 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8411 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8412 return this; |
| 8413 } | |
| 8414 | |
| 8415 /************************************************************/ | |
| 8416 | |
| 8417 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8418 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8419 { | |
| 8420 } | |
| 8421 | |
| 8422 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8423 { | |
| 8424 return commonSemanticAssignIntegral(sc); | |
| 8425 } | |
| 8426 | |
| 8427 /************************************************************/ | |
| 8428 | |
| 8429 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8430 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8431 { | |
| 8432 } | |
| 8433 | |
| 8434 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8435 { | |
| 8436 return commonSemanticAssignIntegral(sc); | |
| 8437 } | |
| 8438 | |
| 8439 /************************************************************/ | |
| 8440 | |
| 8441 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8442 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8443 { | |
| 8444 } | |
| 8445 | |
| 8446 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8447 { | |
| 8448 return commonSemanticAssignIntegral(sc); | |
| 8449 } | |
| 8450 | |
| 8451 /************************* AddExp *****************************/ | |
| 8452 | |
| 8453 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8454 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8455 { | |
| 8456 } | |
| 8457 | |
| 8458 Expression *AddExp::semantic(Scope *sc) | |
| 8459 { Expression *e; | |
| 8460 | |
| 8461 #if LOGSEMANTIC | |
| 8462 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8463 #endif | |
| 8464 if (!type) | |
| 8465 { | |
| 8466 BinExp::semanticp(sc); | |
| 8467 | |
| 8468 e = op_overload(sc); | |
| 8469 if (e) | |
| 8470 return e; | |
| 8471 | |
| 8472 Type *tb1 = e1->type->toBasetype(); | |
| 8473 Type *tb2 = e2->type->toBasetype(); | |
| 8474 | |
| 8475 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8476 (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
|
8477 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8478 ) |
| 8479 { | |
| 8480 type = e1->type; | |
| 8481 e = this; | |
| 8482 } | |
| 8483 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8484 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8485 e = scaleFactor(sc); | |
| 8486 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8487 { | |
| 8488 incompatibleTypes(); | |
| 8489 type = e1->type; | |
| 8490 e = this; | |
| 8491 } | |
| 8492 else | |
| 8493 { | |
| 8494 typeCombine(sc); | |
| 8495 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8496 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8497 { | |
| 8498 switch (type->toBasetype()->ty) | |
| 8499 { | |
| 8500 case Tfloat32: | |
| 8501 case Timaginary32: | |
| 8502 type = Type::tcomplex32; | |
| 8503 break; | |
| 8504 | |
| 8505 case Tfloat64: | |
| 8506 case Timaginary64: | |
| 8507 type = Type::tcomplex64; | |
| 8508 break; | |
| 8509 | |
| 8510 case Tfloat80: | |
| 8511 case Timaginary80: | |
| 8512 type = Type::tcomplex80; | |
| 8513 break; | |
| 8514 | |
| 8515 default: | |
| 8516 assert(0); | |
| 8517 } | |
| 8518 } | |
| 8519 e = this; | |
| 8520 } | |
| 8521 return e; | |
| 8522 } | |
| 8523 return this; | |
| 8524 } | |
| 8525 | |
| 8526 /************************************************************/ | |
| 8527 | |
| 8528 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8529 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8530 { | |
| 8531 } | |
| 8532 | |
| 8533 Expression *MinExp::semantic(Scope *sc) | |
| 8534 { Expression *e; | |
| 8535 Type *t1; | |
| 8536 Type *t2; | |
| 8537 | |
| 8538 #if LOGSEMANTIC | |
| 8539 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8540 #endif | |
| 8541 if (type) | |
| 8542 return this; | |
| 8543 | |
| 8544 BinExp::semanticp(sc); | |
| 8545 | |
| 8546 e = op_overload(sc); | |
| 8547 if (e) | |
| 8548 return e; | |
| 8549 | |
| 8550 e = this; | |
| 8551 t1 = e1->type->toBasetype(); | |
| 8552 t2 = e2->type->toBasetype(); | |
| 8553 if (t1->ty == Tpointer) | |
| 8554 { | |
| 8555 if (t2->ty == Tpointer) | |
| 8556 { // Need to divide the result by the stride | |
| 8557 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8558 d_int64 stride; | |
| 8559 Expression *e; | |
| 8560 | |
| 8561 typeCombine(sc); // make sure pointer types are compatible | |
| 8562 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
|
8563 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
|
8564 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
|
8565 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8566 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
|
8567 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8568 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8569 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8570 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
|
8571 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
|
8572 } |
| 159 | 8573 return e; |
| 8574 } | |
| 8575 else if (t2->isintegral()) | |
| 8576 e = scaleFactor(sc); | |
| 8577 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
|
8578 { error("incompatible types for minus"); |
| 159 | 8579 return new IntegerExp(0); |
| 8580 } | |
| 8581 } | |
| 8582 else if (t2->ty == Tpointer) | |
| 8583 { | |
| 8584 type = e2->type; | |
| 8585 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8586 return new IntegerExp(0); | |
| 8587 } | |
| 8588 else | |
| 8589 { | |
| 8590 typeCombine(sc); | |
| 8591 t1 = e1->type->toBasetype(); | |
| 8592 t2 = e2->type->toBasetype(); | |
| 8593 if ((t1->isreal() && t2->isimaginary()) || | |
| 8594 (t1->isimaginary() && t2->isreal())) | |
| 8595 { | |
| 8596 switch (type->ty) | |
| 8597 { | |
| 8598 case Tfloat32: | |
| 8599 case Timaginary32: | |
| 8600 type = Type::tcomplex32; | |
| 8601 break; | |
| 8602 | |
| 8603 case Tfloat64: | |
| 8604 case Timaginary64: | |
| 8605 type = Type::tcomplex64; | |
| 8606 break; | |
| 8607 | |
| 8608 case Tfloat80: | |
| 8609 case Timaginary80: | |
| 8610 type = Type::tcomplex80; | |
| 8611 break; | |
| 8612 | |
| 8613 default: | |
| 8614 assert(0); | |
| 8615 } | |
| 8616 } | |
| 8617 } | |
| 8618 return e; | |
| 8619 } | |
| 8620 | |
| 8621 /************************* CatExp *****************************/ | |
| 8622 | |
| 8623 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8624 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8625 { | |
| 8626 } | |
| 8627 | |
| 8628 Expression *CatExp::semantic(Scope *sc) | |
| 8629 { Expression *e; | |
| 8630 | |
| 8631 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8632 if (!type) | |
| 8633 { | |
| 8634 BinExp::semanticp(sc); | |
| 8635 e = op_overload(sc); | |
| 8636 if (e) | |
| 8637 return e; | |
| 8638 | |
| 8639 Type *tb1 = e1->type->toBasetype(); | |
| 8640 Type *tb2 = e2->type->toBasetype(); | |
| 8641 | |
| 8642 | |
| 8643 /* BUG: Should handle things like: | |
| 8644 * char c; | |
| 8645 * c ~ ' ' | |
| 8646 * ' ' ~ c; | |
| 8647 */ | |
| 8648 | |
| 8649 #if 0 | |
| 8650 e1->type->print(); | |
| 8651 e2->type->print(); | |
| 8652 #endif | |
| 8653 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8654 e2->type->equals(tb1->next)) | |
| 8655 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8656 type = tb1->nextOf()->arrayOf(); |
| 159 | 8657 if (tb2->ty == Tarray) |
| 8658 { // Make e2 into [e2] | |
| 8659 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8660 e2->type = type; | |
| 8661 } | |
| 8662 return this; | |
| 8663 } | |
| 8664 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8665 e1->type->equals(tb2->next)) | |
| 8666 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8667 type = tb2->nextOf()->arrayOf(); |
| 159 | 8668 if (tb1->ty == Tarray) |
| 8669 { // Make e1 into [e1] | |
| 8670 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8671 e1->type = type; | |
| 8672 } | |
| 8673 return this; | |
| 8674 } | |
| 8675 | |
| 8676 typeCombine(sc); | |
| 8677 | |
| 8678 if (type->toBasetype()->ty == Tsarray) | |
| 8679 type = type->toBasetype()->next->arrayOf(); | |
| 8680 #if 0 | |
| 8681 e1->type->print(); | |
| 8682 e2->type->print(); | |
| 8683 type->print(); | |
| 8684 print(); | |
| 8685 #endif | |
| 8686 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8687 e = optimize(WANTvalue); | |
| 8688 else if (e1->type->equals(e2->type) && | |
| 8689 (e1->type->toBasetype()->ty == Tarray || | |
| 8690 e1->type->toBasetype()->ty == Tsarray)) | |
| 8691 { | |
| 8692 e = this; | |
| 8693 } | |
| 8694 else | |
| 8695 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8696 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8697 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8698 e1->type->toChars(), e2->type->toChars()); | |
| 8699 type = Type::tint32; | |
| 8700 e = this; | |
| 8701 } | |
| 8702 e->type = e->type->semantic(loc, sc); | |
| 8703 return e; | |
| 8704 } | |
| 8705 return this; | |
| 8706 } | |
| 8707 | |
| 8708 /************************************************************/ | |
| 8709 | |
| 8710 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8711 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8712 { | |
| 8713 } | |
| 8714 | |
| 8715 Expression *MulExp::semantic(Scope *sc) | |
| 8716 { Expression *e; | |
| 8717 | |
| 8718 #if 0 | |
| 8719 printf("MulExp::semantic() %s\n", toChars()); | |
| 8720 #endif | |
| 8721 if (type) | |
| 8722 { | |
| 8723 return this; | |
| 8724 } | |
| 8725 | |
| 8726 BinExp::semanticp(sc); | |
| 8727 e = op_overload(sc); | |
| 8728 if (e) | |
| 8729 return e; | |
| 8730 | |
| 8731 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
|
8732 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
|
8733 { 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
|
8734 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
|
8735 } |
| 159 | 8736 if (type->isfloating()) |
| 8737 { Type *t1 = e1->type; | |
| 8738 Type *t2 = e2->type; | |
| 8739 | |
| 8740 if (t1->isreal()) | |
| 8741 { | |
| 8742 type = t2; | |
| 8743 } | |
| 8744 else if (t2->isreal()) | |
| 8745 { | |
| 8746 type = t1; | |
| 8747 } | |
| 8748 else if (t1->isimaginary()) | |
| 8749 { | |
| 8750 if (t2->isimaginary()) | |
| 8751 { Expression *e; | |
| 8752 | |
| 8753 switch (t1->ty) | |
| 8754 { | |
| 8755 case Timaginary32: type = Type::tfloat32; break; | |
| 8756 case Timaginary64: type = Type::tfloat64; break; | |
| 8757 case Timaginary80: type = Type::tfloat80; break; | |
| 8758 default: assert(0); | |
| 8759 } | |
| 8760 | |
| 8761 // iy * iv = -yv | |
| 8762 e1->type = type; | |
| 8763 e2->type = type; | |
| 8764 e = new NegExp(loc, this); | |
| 8765 e = e->semantic(sc); | |
| 8766 return e; | |
| 8767 } | |
| 8768 else | |
| 8769 type = t2; // t2 is complex | |
| 8770 } | |
| 8771 else if (t2->isimaginary()) | |
| 8772 { | |
| 8773 type = t1; // t1 is complex | |
| 8774 } | |
| 8775 } | |
| 8776 return this; | |
| 8777 } | |
| 8778 | |
| 8779 /************************************************************/ | |
| 8780 | |
| 8781 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8782 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8783 { | |
| 8784 } | |
| 8785 | |
| 8786 Expression *DivExp::semantic(Scope *sc) | |
| 8787 { Expression *e; | |
| 8788 | |
| 8789 if (type) | |
| 8790 return this; | |
| 8791 | |
| 8792 BinExp::semanticp(sc); | |
| 8793 e = op_overload(sc); | |
| 8794 if (e) | |
| 8795 return e; | |
| 8796 | |
| 8797 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
|
8798 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
|
8799 { 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
|
8800 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
|
8801 } |
| 159 | 8802 if (type->isfloating()) |
| 8803 { Type *t1 = e1->type; | |
| 8804 Type *t2 = e2->type; | |
| 8805 | |
| 8806 if (t1->isreal()) | |
| 8807 { | |
| 8808 type = t2; | |
| 8809 if (t2->isimaginary()) | |
| 8810 { Expression *e; | |
| 8811 | |
| 8812 // x/iv = i(-x/v) | |
| 8813 e2->type = t1; | |
| 8814 e = new NegExp(loc, this); | |
| 8815 e = e->semantic(sc); | |
| 8816 return e; | |
| 8817 } | |
| 8818 } | |
| 8819 else if (t2->isreal()) | |
| 8820 { | |
| 8821 type = t1; | |
| 8822 } | |
| 8823 else if (t1->isimaginary()) | |
| 8824 { | |
| 8825 if (t2->isimaginary()) | |
| 8826 { | |
| 8827 switch (t1->ty) | |
| 8828 { | |
| 8829 case Timaginary32: type = Type::tfloat32; break; | |
| 8830 case Timaginary64: type = Type::tfloat64; break; | |
| 8831 case Timaginary80: type = Type::tfloat80; break; | |
| 8832 default: assert(0); | |
| 8833 } | |
| 8834 } | |
| 8835 else | |
| 8836 type = t2; // t2 is complex | |
| 8837 } | |
| 8838 else if (t2->isimaginary()) | |
| 8839 { | |
| 8840 type = t1; // t1 is complex | |
| 8841 } | |
| 8842 } | |
| 8843 return this; | |
| 8844 } | |
| 8845 | |
| 8846 /************************************************************/ | |
| 8847 | |
| 8848 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8849 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8850 { | |
| 8851 } | |
| 8852 | |
| 8853 Expression *ModExp::semantic(Scope *sc) | |
| 8854 { Expression *e; | |
| 8855 | |
| 8856 if (type) | |
| 8857 return this; | |
| 8858 | |
| 8859 BinExp::semanticp(sc); | |
| 8860 e = op_overload(sc); | |
| 8861 if (e) | |
| 8862 return e; | |
| 8863 | |
| 8864 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
|
8865 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
|
8866 { 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
|
8867 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
|
8868 } |
| 159 | 8869 if (type->isfloating()) |
| 8870 { type = e1->type; | |
| 8871 if (e2->type->iscomplex()) | |
| 8872 { error("cannot perform modulo complex arithmetic"); | |
| 8873 return new IntegerExp(0); | |
| 8874 } | |
| 8875 } | |
| 8876 return this; | |
| 8877 } | |
| 8878 | |
| 8879 /************************************************************/ | |
| 8880 | |
| 8881 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8882 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8883 { | |
| 8884 } | |
| 8885 | |
| 8886 Expression *ShlExp::semantic(Scope *sc) | |
| 8887 { Expression *e; | |
| 8888 | |
| 8889 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8890 if (!type) | |
| 8891 { BinExp::semanticp(sc); | |
| 8892 e = op_overload(sc); | |
| 8893 if (e) | |
| 8894 return e; | |
| 8895 e1 = e1->checkIntegral(); | |
| 8896 e2 = e2->checkIntegral(); | |
| 8897 e1 = e1->integralPromotions(sc); | |
| 8898 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8899 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8900 type = e1->type; |
| 8901 } | |
| 8902 return this; | |
| 8903 } | |
| 8904 | |
| 8905 /************************************************************/ | |
| 8906 | |
| 8907 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8908 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8909 { | |
| 8910 } | |
| 8911 | |
| 8912 Expression *ShrExp::semantic(Scope *sc) | |
| 8913 { Expression *e; | |
| 8914 | |
| 8915 if (!type) | |
| 8916 { BinExp::semanticp(sc); | |
| 8917 e = op_overload(sc); | |
| 8918 if (e) | |
| 8919 return e; | |
| 8920 e1 = e1->checkIntegral(); | |
| 8921 e2 = e2->checkIntegral(); | |
| 8922 e1 = e1->integralPromotions(sc); | |
| 8923 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8924 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8925 type = e1->type; |
| 8926 } | |
| 8927 return this; | |
| 8928 } | |
| 8929 | |
| 8930 /************************************************************/ | |
| 8931 | |
| 8932 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8933 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8934 { | |
| 8935 } | |
| 8936 | |
| 8937 Expression *UshrExp::semantic(Scope *sc) | |
| 8938 { Expression *e; | |
| 8939 | |
| 8940 if (!type) | |
| 8941 { BinExp::semanticp(sc); | |
| 8942 e = op_overload(sc); | |
| 8943 if (e) | |
| 8944 return e; | |
| 8945 e1 = e1->checkIntegral(); | |
| 8946 e2 = e2->checkIntegral(); | |
| 8947 e1 = e1->integralPromotions(sc); | |
| 8948 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8949 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8950 type = e1->type; |
| 8951 } | |
| 8952 return this; | |
| 8953 } | |
| 8954 | |
| 8955 /************************************************************/ | |
| 8956 | |
| 8957 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8958 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8959 { | |
| 8960 } | |
| 8961 | |
| 8962 Expression *AndExp::semantic(Scope *sc) | |
| 8963 { Expression *e; | |
| 8964 | |
| 8965 if (!type) | |
| 8966 { BinExp::semanticp(sc); | |
| 8967 e = op_overload(sc); | |
| 8968 if (e) | |
| 8969 return e; | |
| 8970 if (e1->type->toBasetype()->ty == Tbool && | |
| 8971 e2->type->toBasetype()->ty == Tbool) | |
| 8972 { | |
| 8973 type = e1->type; | |
| 8974 e = this; | |
| 8975 } | |
| 8976 else | |
| 8977 { | |
| 8978 typeCombine(sc); | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8979 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
|
8980 { 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
|
8981 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
|
8982 } |
| 159 | 8983 } |
| 8984 } | |
| 8985 return this; | |
| 8986 } | |
| 8987 | |
| 8988 /************************************************************/ | |
| 8989 | |
| 8990 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8991 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8992 { | |
| 8993 } | |
| 8994 | |
| 8995 Expression *OrExp::semantic(Scope *sc) | |
| 8996 { Expression *e; | |
| 8997 | |
| 8998 if (!type) | |
| 8999 { BinExp::semanticp(sc); | |
| 9000 e = op_overload(sc); | |
| 9001 if (e) | |
| 9002 return e; | |
| 9003 if (e1->type->toBasetype()->ty == Tbool && | |
| 9004 e2->type->toBasetype()->ty == Tbool) | |
| 9005 { | |
| 9006 type = e1->type; | |
| 9007 e = this; | |
| 9008 } | |
| 9009 else | |
| 9010 { | |
| 9011 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
|
9012 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
|
9013 { 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
|
9014 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
|
9015 } |
| 159 | 9016 } |
| 9017 } | |
| 9018 return this; | |
| 9019 } | |
| 9020 | |
| 9021 /************************************************************/ | |
| 9022 | |
| 9023 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9024 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9025 { | |
| 9026 } | |
| 9027 | |
| 9028 Expression *XorExp::semantic(Scope *sc) | |
| 9029 { Expression *e; | |
| 9030 | |
| 9031 if (!type) | |
| 9032 { BinExp::semanticp(sc); | |
| 9033 e = op_overload(sc); | |
| 9034 if (e) | |
| 9035 return e; | |
| 9036 if (e1->type->toBasetype()->ty == Tbool && | |
| 9037 e2->type->toBasetype()->ty == Tbool) | |
| 9038 { | |
| 9039 type = e1->type; | |
| 9040 e = this; | |
| 9041 } | |
| 9042 else | |
| 9043 { | |
| 9044 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
|
9045 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
|
9046 { 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
|
9047 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
|
9048 } |
| 159 | 9049 } |
| 9050 } | |
| 9051 return this; | |
| 9052 } | |
| 9053 | |
| 9054 | |
| 9055 /************************************************************/ | |
| 9056 | |
| 9057 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9058 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9059 { | |
| 9060 } | |
| 9061 | |
| 9062 Expression *OrOrExp::semantic(Scope *sc) | |
| 9063 { | |
| 9064 unsigned cs1; | |
| 9065 | |
| 9066 // same as for AndAnd | |
| 9067 e1 = e1->semantic(sc); | |
| 9068 e1 = resolveProperties(sc, e1); | |
| 9069 e1 = e1->checkToPointer(); | |
| 9070 e1 = e1->checkToBoolean(); | |
| 9071 cs1 = sc->callSuper; | |
| 9072 | |
| 9073 if (sc->flags & SCOPEstaticif) | |
| 9074 { | |
| 9075 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9076 */ | |
| 9077 e1 = e1->optimize(WANTflags); | |
| 9078 if (e1->isBool(TRUE)) | |
| 9079 { | |
| 9080 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9081 } | |
| 9082 } | |
| 9083 | |
| 9084 e2 = e2->semantic(sc); | |
| 9085 sc->mergeCallSuper(loc, cs1); | |
| 9086 e2 = resolveProperties(sc, e2); | |
| 9087 e2 = e2->checkToPointer(); | |
| 9088 | |
| 9089 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
|
9090 if (e2->type->ty == Tvoid) |
| 159 | 9091 type = Type::tvoid; |
| 9092 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9093 error("%s is not an expression", e2->toChars()); | |
| 9094 return this; | |
| 9095 } | |
| 9096 | |
| 9097 Expression *OrOrExp::checkToBoolean() | |
| 9098 { | |
| 9099 e2 = e2->checkToBoolean(); | |
| 9100 return this; | |
| 9101 } | |
| 9102 | |
| 9103 int OrOrExp::isBit() | |
| 9104 { | |
| 9105 return TRUE; | |
| 9106 } | |
| 9107 | |
| 9108 int OrOrExp::checkSideEffect(int flag) | |
| 9109 { | |
| 9110 if (flag == 2) | |
| 9111 { | |
| 9112 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9113 } | |
| 9114 else | |
| 9115 { e1->checkSideEffect(1); | |
| 9116 return e2->checkSideEffect(flag); | |
| 9117 } | |
| 9118 } | |
| 9119 | |
| 9120 /************************************************************/ | |
| 9121 | |
| 9122 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9123 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9124 { | |
| 9125 } | |
| 9126 | |
| 9127 Expression *AndAndExp::semantic(Scope *sc) | |
| 9128 { | |
| 9129 unsigned cs1; | |
| 9130 | |
| 9131 // same as for OrOr | |
| 9132 e1 = e1->semantic(sc); | |
| 9133 e1 = resolveProperties(sc, e1); | |
| 9134 e1 = e1->checkToPointer(); | |
| 9135 e1 = e1->checkToBoolean(); | |
| 9136 cs1 = sc->callSuper; | |
| 9137 | |
| 9138 if (sc->flags & SCOPEstaticif) | |
| 9139 { | |
| 9140 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9141 */ | |
| 9142 e1 = e1->optimize(WANTflags); | |
| 9143 if (e1->isBool(FALSE)) | |
| 9144 { | |
| 9145 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9146 } | |
| 9147 } | |
| 9148 | |
| 9149 e2 = e2->semantic(sc); | |
| 9150 sc->mergeCallSuper(loc, cs1); | |
| 9151 e2 = resolveProperties(sc, e2); | |
| 9152 e2 = e2->checkToPointer(); | |
| 9153 | |
| 9154 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
|
9155 if (e2->type->ty == Tvoid) |
| 159 | 9156 type = Type::tvoid; |
| 9157 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9158 error("%s is not an expression", e2->toChars()); | |
| 9159 return this; | |
| 9160 } | |
| 9161 | |
| 9162 Expression *AndAndExp::checkToBoolean() | |
| 9163 { | |
| 9164 e2 = e2->checkToBoolean(); | |
| 9165 return this; | |
| 9166 } | |
| 9167 | |
| 9168 int AndAndExp::isBit() | |
| 9169 { | |
| 9170 return TRUE; | |
| 9171 } | |
| 9172 | |
| 9173 int AndAndExp::checkSideEffect(int flag) | |
| 9174 { | |
| 9175 if (flag == 2) | |
| 9176 { | |
| 9177 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9178 } | |
| 9179 else | |
| 9180 { | |
| 9181 e1->checkSideEffect(1); | |
| 9182 return e2->checkSideEffect(flag); | |
| 9183 } | |
| 9184 } | |
| 9185 | |
| 9186 /************************************************************/ | |
| 9187 | |
| 9188 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9189 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9190 { | |
| 9191 } | |
| 9192 | |
| 9193 Expression *InExp::semantic(Scope *sc) | |
| 9194 { Expression *e; | |
| 9195 | |
| 9196 if (type) | |
| 9197 return this; | |
| 9198 | |
| 9199 BinExp::semanticp(sc); | |
| 9200 e = op_overload(sc); | |
| 9201 if (e) | |
| 9202 return e; | |
| 9203 | |
| 9204 //type = Type::tboolean; | |
| 9205 Type *t2b = e2->type->toBasetype(); | |
| 9206 if (t2b->ty != Taarray) | |
| 9207 { | |
| 9208 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9209 type = Type::terror; | |
| 9210 } | |
| 9211 else | |
| 9212 { | |
| 9213 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9214 | |
| 9215 // Convert key to type of key | |
| 9216 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9217 | |
| 9218 // 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
|
9219 type = ta->nextOf()->pointerTo(); |
| 159 | 9220 } |
| 9221 return this; | |
| 9222 } | |
| 9223 | |
| 9224 int InExp::isBit() | |
| 9225 { | |
| 9226 return FALSE; | |
| 9227 } | |
| 9228 | |
| 9229 | |
| 9230 /************************************************************/ | |
| 9231 | |
| 9232 /* This deletes the key e1 from the associative array e2 | |
| 9233 */ | |
| 9234 | |
| 9235 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9236 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9237 { | |
| 9238 type = Type::tvoid; | |
| 9239 } | |
| 9240 | |
| 9241 /************************************************************/ | |
| 9242 | |
| 9243 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9244 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9245 { | |
| 9246 } | |
| 9247 | |
| 9248 Expression *CmpExp::semantic(Scope *sc) | |
| 9249 { Expression *e; | |
| 9250 Type *t1; | |
| 9251 Type *t2; | |
| 9252 | |
| 9253 #if LOGSEMANTIC | |
| 9254 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9255 #endif | |
| 9256 if (type) | |
| 9257 return this; | |
| 9258 | |
| 9259 BinExp::semanticp(sc); | |
| 9260 | |
| 9261 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9262 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9263 { | |
| 9264 error("do not use null when comparing class types"); | |
| 9265 } | |
| 9266 | |
| 9267 e = op_overload(sc); | |
| 9268 if (e) | |
| 9269 { | |
| 9270 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9271 e = e->semantic(sc); | |
| 9272 return e; | |
| 9273 } | |
| 9274 | |
| 9275 typeCombine(sc); | |
| 9276 type = Type::tboolean; | |
| 9277 | |
| 9278 // Special handling for array comparisons | |
| 9279 t1 = e1->type->toBasetype(); | |
| 9280 t2 = e2->type->toBasetype(); | |
| 9281 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9282 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9283 { | |
| 9284 if (!t1->next->equals(t2->next)) | |
| 9285 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9286 e = this; | |
| 9287 } | |
| 9288 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9289 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9290 { | |
| 9291 if (t2->ty == Tstruct) | |
| 9292 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9293 else | |
| 9294 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9295 e = this; | |
| 9296 } | |
| 9297 #if 1 | |
| 9298 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9299 { | |
| 9300 error("compare not defined for complex operands"); | |
| 9301 e = new IntegerExp(0); | |
| 9302 } | |
| 9303 #endif | |
| 9304 else | |
| 9305 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
|
9306 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9307 return e; |
| 9308 } | |
| 9309 | |
| 9310 int CmpExp::isBit() | |
| 9311 { | |
| 9312 return TRUE; | |
| 9313 } | |
| 9314 | |
| 9315 | |
| 9316 /************************************************************/ | |
| 9317 | |
| 9318 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9319 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9320 { | |
| 9321 assert(op == TOKequal || op == TOKnotequal); | |
| 9322 } | |
| 9323 | |
| 9324 Expression *EqualExp::semantic(Scope *sc) | |
| 9325 { Expression *e; | |
| 9326 Type *t1; | |
| 9327 Type *t2; | |
| 9328 | |
| 9329 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9330 if (type) | |
| 9331 return this; | |
| 9332 | |
| 9333 BinExp::semanticp(sc); | |
| 9334 | |
| 9335 /* Before checking for operator overloading, check to see if we're | |
| 9336 * comparing the addresses of two statics. If so, we can just see | |
| 9337 * if they are the same symbol. | |
| 9338 */ | |
| 9339 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9340 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9341 AddrExp *ae2 = (AddrExp *)e2; | |
| 9342 | |
| 9343 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9344 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9345 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9346 | |
| 9347 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9348 { | |
| 9349 // They are the same, result is 'true' for ==, 'false' for != | |
| 9350 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9351 return e; | |
| 9352 } | |
| 9353 } | |
| 9354 } | |
| 9355 | |
| 9356 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9357 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9358 { | |
| 9359 error("use '%s' instead of '%s' when comparing with null", | |
| 9360 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9361 Token::toChars(op)); | |
| 9362 } | |
| 9363 | |
| 9364 //if (e2->op != TOKnull) | |
| 9365 { | |
| 9366 e = op_overload(sc); | |
| 9367 if (e) | |
| 9368 { | |
| 9369 if (op == TOKnotequal) | |
| 9370 { | |
| 9371 e = new NotExp(e->loc, e); | |
| 9372 e = e->semantic(sc); | |
| 9373 } | |
| 9374 return e; | |
| 9375 } | |
| 9376 } | |
| 9377 | |
| 9378 e = typeCombine(sc); | |
| 9379 type = Type::tboolean; | |
| 9380 | |
| 9381 // Special handling for array comparisons | |
| 9382 t1 = e1->type->toBasetype(); | |
| 9383 t2 = e2->type->toBasetype(); | |
| 9384 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9385 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9386 { | |
| 9387 if (!t1->next->equals(t2->next)) | |
| 9388 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9389 } | |
| 9390 else | |
| 9391 { | |
| 9392 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9393 { | |
| 9394 // Cast both to complex | |
| 9395 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9396 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9397 } | |
| 9398 } | |
| 9399 return e; | |
| 9400 } | |
| 9401 | |
| 9402 int EqualExp::isBit() | |
| 9403 { | |
| 9404 return TRUE; | |
| 9405 } | |
| 9406 | |
| 9407 | |
| 9408 | |
| 9409 /************************************************************/ | |
| 9410 | |
| 9411 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9412 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9413 { | |
| 9414 } | |
| 9415 | |
| 9416 Expression *IdentityExp::semantic(Scope *sc) | |
| 9417 { | |
| 9418 if (type) | |
| 9419 return this; | |
| 9420 | |
| 9421 BinExp::semanticp(sc); | |
| 9422 type = Type::tboolean; | |
| 9423 typeCombine(sc); | |
| 9424 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9425 { | |
| 9426 // Cast both to complex | |
| 9427 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9428 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9429 } | |
| 9430 return this; | |
| 9431 } | |
| 9432 | |
| 9433 int IdentityExp::isBit() | |
| 9434 { | |
| 9435 return TRUE; | |
| 9436 } | |
| 9437 | |
| 9438 | |
| 9439 /****************************************************************/ | |
| 9440 | |
| 9441 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9442 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9443 { | |
| 9444 this->econd = econd; | |
| 9445 } | |
| 9446 | |
| 9447 Expression *CondExp::syntaxCopy() | |
| 9448 { | |
| 9449 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9450 } | |
| 9451 | |
| 9452 | |
| 9453 Expression *CondExp::semantic(Scope *sc) | |
| 9454 { Type *t1; | |
| 9455 Type *t2; | |
| 9456 unsigned cs0; | |
| 9457 unsigned cs1; | |
| 9458 | |
| 9459 #if LOGSEMANTIC | |
| 9460 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9461 #endif | |
| 9462 if (type) | |
| 9463 return this; | |
| 9464 | |
| 9465 econd = econd->semantic(sc); | |
| 9466 econd = resolveProperties(sc, econd); | |
| 9467 econd = econd->checkToPointer(); | |
| 9468 econd = econd->checkToBoolean(); | |
| 9469 | |
| 9470 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9471 * both contribute to the type of the result. | |
| 9472 */ | |
| 9473 if (sc->flags & SCOPEstaticif) | |
| 9474 { | |
| 9475 /* If in static if, don't evaluate what we don't have to. | |
| 9476 */ | |
| 9477 econd = econd->optimize(WANTflags); | |
| 9478 if (econd->isBool(TRUE)) | |
| 9479 { | |
| 9480 e1 = e1->semantic(sc); | |
| 9481 e1 = resolveProperties(sc, e1); | |
| 9482 return e1; | |
| 9483 } | |
| 9484 else if (econd->isBool(FALSE)) | |
| 9485 { | |
| 9486 e2 = e2->semantic(sc); | |
| 9487 e2 = resolveProperties(sc, e2); | |
| 9488 return e2; | |
| 9489 } | |
| 9490 } | |
| 9491 #endif | |
| 9492 | |
| 9493 | |
| 9494 cs0 = sc->callSuper; | |
| 9495 e1 = e1->semantic(sc); | |
| 9496 e1 = resolveProperties(sc, e1); | |
| 9497 cs1 = sc->callSuper; | |
| 9498 sc->callSuper = cs0; | |
| 9499 e2 = e2->semantic(sc); | |
| 9500 e2 = resolveProperties(sc, e2); | |
| 9501 sc->mergeCallSuper(loc, cs1); | |
| 9502 | |
| 9503 | |
| 9504 // If either operand is void, the result is void | |
| 9505 t1 = e1->type; | |
| 9506 t2 = e2->type; | |
| 9507 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9508 type = Type::tvoid; | |
| 9509 else if (t1 == t2) | |
| 9510 type = t1; | |
| 9511 else | |
| 9512 { | |
| 9513 typeCombine(sc); | |
| 9514 switch (e1->type->toBasetype()->ty) | |
| 9515 { | |
| 9516 case Tcomplex32: | |
| 9517 case Tcomplex64: | |
| 9518 case Tcomplex80: | |
| 9519 e2 = e2->castTo(sc, e1->type); | |
| 9520 break; | |
| 9521 } | |
| 9522 switch (e2->type->toBasetype()->ty) | |
| 9523 { | |
| 9524 case Tcomplex32: | |
| 9525 case Tcomplex64: | |
| 9526 case Tcomplex80: | |
| 9527 e1 = e1->castTo(sc, e2->type); | |
| 9528 break; | |
| 9529 } | |
| 9530 } | |
|
875
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Merged DMD 1.038
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846
diff
changeset
|
9531 #if 0 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9532 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9533 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9534 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9535 #endif |
| 159 | 9536 return this; |
| 9537 } | |
| 9538 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9539 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9540 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9541 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9542 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9543 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9544 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9545 |
| 159 | 9546 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9547 { | |
| 9548 PtrExp *e; | |
| 9549 | |
| 9550 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9551 e = new PtrExp(loc, this, type); | |
| 9552 | |
| 9553 e1 = e1->addressOf(sc); | |
| 9554 //e1 = e1->toLvalue(sc, NULL); | |
| 9555 | |
| 9556 e2 = e2->addressOf(sc); | |
| 9557 //e2 = e2->toLvalue(sc, NULL); | |
| 9558 | |
| 9559 typeCombine(sc); | |
| 9560 | |
| 9561 type = e2->type; | |
| 9562 return e; | |
| 9563 } | |
| 9564 | |
| 9565 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9566 { | |
| 9567 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9568 return this; | |
| 9569 } | |
| 9570 | |
| 9571 void CondExp::checkEscape() | |
| 9572 { | |
| 9573 e1->checkEscape(); | |
| 9574 e2->checkEscape(); | |
| 9575 } | |
| 9576 | |
| 9577 | |
| 9578 Expression *CondExp::checkToBoolean() | |
| 9579 { | |
| 9580 e1 = e1->checkToBoolean(); | |
| 9581 e2 = e2->checkToBoolean(); | |
| 9582 return this; | |
| 9583 } | |
| 9584 | |
| 9585 int CondExp::checkSideEffect(int flag) | |
| 9586 { | |
| 9587 if (flag == 2) | |
| 9588 { | |
| 9589 return econd->checkSideEffect(2) || | |
| 9590 e1->checkSideEffect(2) || | |
| 9591 e2->checkSideEffect(2); | |
| 9592 } | |
| 9593 else | |
| 9594 { | |
| 9595 econd->checkSideEffect(1); | |
| 9596 e1->checkSideEffect(flag); | |
| 9597 return e2->checkSideEffect(flag); | |
| 9598 } | |
| 9599 } | |
| 9600 | |
|
875
330f999ade44
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parents:
846
diff
changeset
|
9601 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9602 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9603 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9604 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9605 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9606 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9607 |
| 159 | 9608 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9609 { | |
| 9610 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9611 buf->writestring(" ? "); | |
| 9612 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9613 buf->writestring(" : "); | |
| 9614 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9615 } | |
| 9616 | |
|
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
|
9617 /************************************************************/ |
|
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
|
9618 |
|
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
|
9619 #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
|
9620 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9621 // 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
|
9622 |
|
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
|
9623 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
|
9624 : 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
|
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 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
|
9627 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
|
9628 } |
|
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
|
9629 |
|
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 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
|
9631 { |
|
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 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
|
9633 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
|
9634 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
|
9635 } |
|
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 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
|
9638 { |
|
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 // 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
|
9640 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
|
9641 } |
|
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 |
|
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 #endif |