Mercurial > projects > ldc
annotate dmd/expression.c @ 1611:3f728445fc42
Merge DMD r277: bugzilla 3495 Segfault(typinf.c) instantiating D variadic...
bugzilla 3495 Segfault(typinf.c) instantiating D variadic function with
too few arguments.
---
dmd/expression.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
| author | Leandro Lucarella <llucax@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2010 15:18:21 -0300 |
| parents | 1d0220dd613a |
| children | 081c48283153 |
| 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" |
| 1587 | 38 #include "port.h" |
| 39 | |
| 159 | 40 #include "mtype.h" |
| 41 #include "init.h" | |
| 42 #include "expression.h" | |
| 43 #include "template.h" | |
| 44 #include "utf.h" | |
| 45 #include "enum.h" | |
| 46 #include "scope.h" | |
| 47 #include "statement.h" | |
| 48 #include "declaration.h" | |
| 49 #include "aggregate.h" | |
| 50 #include "import.h" | |
| 51 #include "id.h" | |
| 52 #include "dsymbol.h" | |
| 53 #include "module.h" | |
| 54 #include "attrib.h" | |
| 55 #include "hdrgen.h" | |
| 56 #include "parse.h" | |
| 57 | |
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58 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 59 |
| 60 #define LOGSEMANTIC 0 | |
| 61 | |
| 62 /********************************** | |
| 63 * Set operator precedence for each operator. | |
| 64 */ | |
| 65 | |
| 66 // Operator precedence - greater values are higher precedence | |
| 67 | |
| 68 enum PREC | |
| 69 { | |
| 70 PREC_zero, | |
| 71 PREC_expr, | |
| 72 PREC_assign, | |
| 73 PREC_cond, | |
| 74 PREC_oror, | |
| 75 PREC_andand, | |
| 76 PREC_or, | |
| 77 PREC_xor, | |
| 78 PREC_and, | |
| 79 PREC_equal, | |
| 80 PREC_rel, | |
| 81 PREC_shift, | |
| 82 PREC_add, | |
| 83 PREC_mul, | |
| 84 PREC_unary, | |
| 85 PREC_primary, | |
| 86 }; | |
| 87 | |
| 88 enum PREC precedence[TOKMAX]; | |
| 89 | |
| 90 void initPrecedence() | |
| 91 { | |
| 92 precedence[TOKdotvar] = PREC_primary; | |
| 93 precedence[TOKimport] = PREC_primary; | |
| 94 precedence[TOKidentifier] = PREC_primary; | |
| 95 precedence[TOKthis] = PREC_primary; | |
| 96 precedence[TOKsuper] = PREC_primary; | |
| 97 precedence[TOKint64] = PREC_primary; | |
| 98 precedence[TOKfloat64] = PREC_primary; | |
| 99 precedence[TOKnull] = PREC_primary; | |
| 100 precedence[TOKstring] = PREC_primary; | |
| 101 precedence[TOKarrayliteral] = PREC_primary; | |
| 102 precedence[TOKtypeid] = PREC_primary; | |
| 103 precedence[TOKis] = PREC_primary; | |
| 104 precedence[TOKassert] = PREC_primary; | |
| 105 precedence[TOKfunction] = PREC_primary; | |
| 106 precedence[TOKvar] = PREC_primary; | |
| 336 | 107 #if DMDV2 |
| 108 precedence[TOKdefault] = PREC_primary; | |
| 109 #endif | |
| 159 | 110 |
| 111 // post | |
| 112 precedence[TOKdotti] = PREC_primary; | |
| 113 precedence[TOKdot] = PREC_primary; | |
| 114 // precedence[TOKarrow] = PREC_primary; | |
| 115 precedence[TOKplusplus] = PREC_primary; | |
| 116 precedence[TOKminusminus] = PREC_primary; | |
| 117 precedence[TOKcall] = PREC_primary; | |
| 118 precedence[TOKslice] = PREC_primary; | |
| 119 precedence[TOKarray] = PREC_primary; | |
| 120 | |
| 121 precedence[TOKaddress] = PREC_unary; | |
| 122 precedence[TOKstar] = PREC_unary; | |
| 123 precedence[TOKneg] = PREC_unary; | |
| 124 precedence[TOKuadd] = PREC_unary; | |
| 125 precedence[TOKnot] = PREC_unary; | |
| 126 precedence[TOKtobool] = PREC_add; | |
| 127 precedence[TOKtilde] = PREC_unary; | |
| 128 precedence[TOKdelete] = PREC_unary; | |
| 129 precedence[TOKnew] = PREC_unary; | |
| 130 precedence[TOKcast] = PREC_unary; | |
| 131 | |
| 132 precedence[TOKmul] = PREC_mul; | |
| 133 precedence[TOKdiv] = PREC_mul; | |
| 134 precedence[TOKmod] = PREC_mul; | |
| 135 | |
| 136 precedence[TOKadd] = PREC_add; | |
| 137 precedence[TOKmin] = PREC_add; | |
| 138 precedence[TOKcat] = PREC_add; | |
| 139 | |
| 140 precedence[TOKshl] = PREC_shift; | |
| 141 precedence[TOKshr] = PREC_shift; | |
| 142 precedence[TOKushr] = PREC_shift; | |
| 143 | |
| 144 precedence[TOKlt] = PREC_rel; | |
| 145 precedence[TOKle] = PREC_rel; | |
| 146 precedence[TOKgt] = PREC_rel; | |
| 147 precedence[TOKge] = PREC_rel; | |
| 148 precedence[TOKunord] = PREC_rel; | |
| 149 precedence[TOKlg] = PREC_rel; | |
| 150 precedence[TOKleg] = PREC_rel; | |
| 151 precedence[TOKule] = PREC_rel; | |
| 152 precedence[TOKul] = PREC_rel; | |
| 153 precedence[TOKuge] = PREC_rel; | |
| 154 precedence[TOKug] = PREC_rel; | |
| 155 precedence[TOKue] = PREC_rel; | |
| 156 precedence[TOKin] = PREC_rel; | |
| 157 | |
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158 #if 0 |
| 159 | 159 precedence[TOKequal] = PREC_equal; |
| 160 precedence[TOKnotequal] = PREC_equal; | |
| 161 precedence[TOKidentity] = PREC_equal; | |
| 162 precedence[TOKnotidentity] = PREC_equal; | |
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163 #else |
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164 /* Note that we changed precedence, so that < and != have the same |
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165 * precedence. This change is in the parser, too. |
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166 */ |
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167 precedence[TOKequal] = PREC_rel; |
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168 precedence[TOKnotequal] = PREC_rel; |
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169 precedence[TOKidentity] = PREC_rel; |
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170 precedence[TOKnotidentity] = PREC_rel; |
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171 #endif |
| 159 | 172 |
| 173 precedence[TOKand] = PREC_and; | |
| 174 | |
| 175 precedence[TOKxor] = PREC_xor; | |
| 176 | |
| 177 precedence[TOKor] = PREC_or; | |
| 178 | |
| 179 precedence[TOKandand] = PREC_andand; | |
| 180 | |
| 181 precedence[TOKoror] = PREC_oror; | |
| 182 | |
| 183 precedence[TOKquestion] = PREC_cond; | |
| 184 | |
| 185 precedence[TOKassign] = PREC_assign; | |
| 186 precedence[TOKconstruct] = PREC_assign; | |
| 187 precedence[TOKblit] = PREC_assign; | |
| 188 precedence[TOKaddass] = PREC_assign; | |
| 189 precedence[TOKminass] = PREC_assign; | |
| 190 precedence[TOKcatass] = PREC_assign; | |
| 191 precedence[TOKmulass] = PREC_assign; | |
| 192 precedence[TOKdivass] = PREC_assign; | |
| 193 precedence[TOKmodass] = PREC_assign; | |
| 194 precedence[TOKshlass] = PREC_assign; | |
| 195 precedence[TOKshrass] = PREC_assign; | |
| 196 precedence[TOKushrass] = PREC_assign; | |
| 197 precedence[TOKandass] = PREC_assign; | |
| 198 precedence[TOKorass] = PREC_assign; | |
| 199 precedence[TOKxorass] = PREC_assign; | |
| 200 | |
| 201 precedence[TOKcomma] = PREC_expr; | |
| 202 } | |
| 203 | |
| 336 | 204 /************************************************************* |
| 205 * Given var, we need to get the | |
| 206 * right 'this' pointer if var is in an outer class, but our | |
| 207 * existing 'this' pointer is in an inner class. | |
| 208 * Input: | |
| 209 * e1 existing 'this' | |
| 210 * ad struct or class we need the correct 'this' for | |
| 211 * var the specific member of ad we're accessing | |
| 212 */ | |
| 213 | |
| 214 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 215 Expression *e1, Declaration *var) | |
| 216 { | |
| 217 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 218 L1: | |
| 219 Type *t = e1->type->toBasetype(); | |
| 220 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 221 | |
| 222 /* If e1 is not the 'this' pointer for ad | |
| 223 */ | |
| 224 if (ad && | |
| 225 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 226 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 227 && | |
| 228 !(t->ty == Tstruct && | |
| 229 ((TypeStruct *)t)->sym == ad) | |
| 230 ) | |
| 231 { | |
| 232 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 233 ClassDeclaration *tcd = t->isClassHandle(); | |
| 234 | |
| 235 /* e1 is the right this if ad is a base class of e1 | |
| 236 */ | |
| 237 if (!cd || !tcd || | |
| 238 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 239 ) | |
| 240 { | |
| 241 /* Only classes can be inner classes with an 'outer' | |
| 242 * member pointing to the enclosing class instance | |
| 243 */ | |
| 244 if (tcd && tcd->isNested()) | |
| 245 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 246 * Rewrite it as the 'this' pointer for the outer class. | |
| 247 */ | |
| 248 | |
| 249 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 250 e1->type = tcd->vthis->type; | |
| 251 // Do not call checkNestedRef() | |
| 252 //e1 = e1->semantic(sc); | |
| 253 | |
| 254 // Skip up over nested functions, and get the enclosing | |
| 255 // class type. | |
| 256 int n = 0; | |
| 257 Dsymbol *s; | |
| 258 for (s = tcd->toParent(); | |
| 259 s && s->isFuncDeclaration(); | |
| 260 s = s->toParent()) | |
| 261 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 262 if (f->vthis) | |
| 263 { | |
| 264 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 265 n++; | |
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266 |
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267 // LDC seems dmd misses it sometimes here :/ |
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268 f->vthis->nestedref = 1; |
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269 |
| 336 | 270 e1 = new VarExp(loc, f->vthis); |
| 271 } | |
| 272 } | |
| 273 if (s && s->isClassDeclaration()) | |
| 274 { e1->type = s->isClassDeclaration()->type; | |
| 275 if (n > 1) | |
| 276 e1 = e1->semantic(sc); | |
| 277 } | |
| 278 else | |
| 279 e1 = e1->semantic(sc); | |
| 280 goto L1; | |
| 281 } | |
| 282 /* Can't find a path from e1 to ad | |
| 283 */ | |
| 284 e1->error("this for %s needs to be type %s not type %s", | |
| 285 var->toChars(), ad->toChars(), t->toChars()); | |
| 286 } | |
| 287 } | |
| 288 return e1; | |
| 289 } | |
| 290 | |
| 159 | 291 /***************************************** |
| 292 * Determine if 'this' is available. | |
| 293 * If it is, return the FuncDeclaration that has it. | |
| 294 */ | |
| 295 | |
| 296 FuncDeclaration *hasThis(Scope *sc) | |
| 297 { FuncDeclaration *fd; | |
| 298 FuncDeclaration *fdthis; | |
| 299 | |
| 300 //printf("hasThis()\n"); | |
| 301 fdthis = sc->parent->isFuncDeclaration(); | |
| 302 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 303 | |
| 304 // Go upwards until we find the enclosing member function | |
| 305 fd = fdthis; | |
| 306 while (1) | |
| 307 { | |
| 308 if (!fd) | |
| 309 { | |
| 310 goto Lno; | |
| 311 } | |
| 312 if (!fd->isNested()) | |
| 313 break; | |
| 314 | |
| 315 Dsymbol *parent = fd->parent; | |
| 316 while (parent) | |
| 317 { | |
| 318 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 319 if (ti) | |
| 320 parent = ti->parent; | |
| 321 else | |
| 322 break; | |
| 323 } | |
| 324 | |
| 325 fd = fd->parent->isFuncDeclaration(); | |
| 326 } | |
| 327 | |
| 328 if (!fd->isThis()) | |
| 329 { //printf("test '%s'\n", fd->toChars()); | |
| 330 goto Lno; | |
| 331 } | |
| 332 | |
| 333 assert(fd->vthis); | |
| 334 return fd; | |
| 335 | |
| 336 Lno: | |
| 337 return NULL; // don't have 'this' available | |
| 338 } | |
| 339 | |
| 340 | |
| 341 /*************************************** | |
| 342 * Pull out any properties. | |
| 343 */ | |
| 344 | |
| 345 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 346 { | |
| 347 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 348 if (e->type) | |
| 349 { | |
| 350 Type *t = e->type->toBasetype(); | |
| 351 | |
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352 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 353 { |
| 354 e = new CallExp(e->loc, e); | |
| 355 e = e->semantic(sc); | |
| 356 } | |
| 357 | |
| 358 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 359 */ | |
| 360 else if (e->op == TOKvar) | |
| 361 { VarExp *ve = (VarExp *)e; | |
| 362 | |
| 363 if (ve->var->storage_class & STClazy) | |
| 364 { | |
| 365 e = new CallExp(e->loc, e); | |
| 366 e = e->semantic(sc); | |
| 367 } | |
| 368 } | |
| 369 | |
| 370 else if (e->op == TOKdotexp) | |
| 371 { | |
| 372 e->error("expression has no value"); | |
| 373 } | |
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374 |
| 159 | 375 } |
| 1587 | 376 else if (e->op == TOKdottd) |
| 377 { | |
| 378 e = new CallExp(e->loc, e); | |
| 379 e = e->semantic(sc); | |
| 380 } | |
| 159 | 381 return e; |
| 382 } | |
| 383 | |
| 384 /****************************** | |
| 385 * Perform semantic() on an array of Expressions. | |
| 386 */ | |
| 387 | |
| 388 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 389 { | |
| 390 if (exps) | |
| 391 { | |
| 392 for (size_t i = 0; i < exps->dim; i++) | |
| 393 { Expression *e = (Expression *)exps->data[i]; | |
| 394 | |
| 395 e = e->semantic(sc); | |
| 396 exps->data[i] = (void *)e; | |
| 397 } | |
| 398 } | |
| 399 } | |
| 400 | |
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401 |
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402 /****************************** |
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403 * Perform canThrow() on an array of Expressions. |
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404 */ |
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405 |
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406 #if DMDV2 |
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407 int arrayExpressionCanThrow(Expressions *exps) |
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408 { |
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409 if (exps) |
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410 { |
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411 for (size_t i = 0; i < exps->dim; i++) |
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412 { Expression *e = (Expression *)exps->data[i]; |
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413 if (e && e->canThrow()) |
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414 return 1; |
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415 } |
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416 } |
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417 return 0; |
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418 } |
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419 #endif |
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420 |
| 159 | 421 /**************************************** |
| 422 * Expand tuples. | |
| 423 */ | |
| 424 | |
| 425 void expandTuples(Expressions *exps) | |
| 426 { | |
| 427 //printf("expandTuples()\n"); | |
| 428 if (exps) | |
| 429 { | |
| 430 for (size_t i = 0; i < exps->dim; i++) | |
| 431 { Expression *arg = (Expression *)exps->data[i]; | |
| 432 if (!arg) | |
| 433 continue; | |
| 434 | |
| 435 // Look for tuple with 0 members | |
| 436 if (arg->op == TOKtype) | |
| 437 { TypeExp *e = (TypeExp *)arg; | |
| 438 if (e->type->toBasetype()->ty == Ttuple) | |
| 439 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 440 | |
| 441 if (!tt->arguments || tt->arguments->dim == 0) | |
| 442 { | |
| 443 exps->remove(i); | |
| 444 if (i == exps->dim) | |
| 445 return; | |
| 446 i--; | |
| 447 continue; | |
| 448 } | |
| 449 } | |
| 450 } | |
| 451 | |
| 452 // Inline expand all the tuples | |
| 453 while (arg->op == TOKtuple) | |
| 454 { TupleExp *te = (TupleExp *)arg; | |
| 455 | |
| 456 exps->remove(i); // remove arg | |
| 457 exps->insert(i, te->exps); // replace with tuple contents | |
| 458 if (i == exps->dim) | |
| 459 return; // empty tuple, no more arguments | |
| 460 arg = (Expression *)exps->data[i]; | |
| 461 } | |
| 462 } | |
| 463 } | |
| 464 } | |
| 465 | |
|
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466 Expressions *arrayExpressionToCommonType(Scope *sc, Expressions *exps, Type **pt) |
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467 { |
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468 #if DMDV1 |
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469 /* The first element sets the type |
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470 */ |
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471 Type *t0 = NULL; |
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472 for (size_t i = 0; i < exps->dim; i++) |
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473 { Expression *e = (Expression *)exps->data[i]; |
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474 |
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475 if (!e->type) |
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476 { error("%s has no value", e->toChars()); |
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477 e = new ErrorExp(); |
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478 } |
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479 e = resolveProperties(sc, e); |
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480 |
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481 if (!t0) |
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482 t0 = e->type; |
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483 else |
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484 e = e->implicitCastTo(sc, t0); |
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485 exps->data[i] = (void *)e; |
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486 } |
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487 |
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488 if (!t0) |
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489 t0 = Type::tvoid; |
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490 if (pt) |
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491 *pt = t0; |
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492 |
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493 // Eventually, we want to make this copy-on-write |
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494 return exps; |
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495 #endif |
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496 #if DMDV2 |
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497 /* The type is determined by applying ?: to each pair. |
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498 */ |
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499 IntegerExp integerexp(0); |
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500 CondExp condexp(0, &integerexp, NULL, NULL); |
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501 |
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502 Type *t0 = NULL; |
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503 Expression *e0; |
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504 int j0; |
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505 for (size_t i = 0; i < exps->dim; i++) |
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506 { Expression *e = (Expression *)exps->data[i]; |
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507 |
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508 e = resolveProperties(sc, e); |
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509 if (!e->type) |
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510 { error("%s has no value", e->toChars()); |
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511 e = new ErrorExp(); |
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512 } |
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513 |
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514 if (t0) |
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515 { if (t0 != e->type) |
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516 { |
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517 /* This applies ?: to merge the types. It's backwards; |
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518 * ?: should call this function to merge types. |
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519 */ |
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520 condexp.type = NULL; |
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521 condexp.e1 = e0; |
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522 condexp.e2 = e; |
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523 condexp.semantic(sc); |
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524 exps->data[j0] = (void *)condexp.e1; |
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525 e = condexp.e2; |
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526 t0 = e->type; |
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527 } |
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528 } |
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529 else |
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530 { j0 = i; |
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531 e0 = e; |
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532 t0 = e->type; |
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533 } |
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534 exps->data[i] = (void *)e; |
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535 } |
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536 |
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537 if (t0) |
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538 { |
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539 for (size_t i = 0; i < exps->dim; i++) |
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540 { Expression *e = (Expression *)exps->data[i]; |
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541 e = e->implicitCastTo(sc, t0); |
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542 exps->data[i] = (void *)e; |
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543 } |
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544 } |
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545 else |
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546 t0 = Type::tvoid; // [] is typed as void[] |
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547 if (pt) |
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548 *pt = t0; |
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549 |
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550 // Eventually, we want to make this copy-on-write |
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551 return exps; |
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552 #endif |
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553 } |
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554 |
| 159 | 555 /**************************************** |
| 556 * Preprocess arguments to function. | |
| 557 */ | |
| 558 | |
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559 void preFunctionParameters(Loc loc, Scope *sc, Expressions *exps) |
| 159 | 560 { |
| 561 if (exps) | |
| 562 { | |
| 563 expandTuples(exps); | |
| 564 | |
| 565 for (size_t i = 0; i < exps->dim; i++) | |
| 566 { Expression *arg = (Expression *)exps->data[i]; | |
| 567 | |
| 568 if (!arg->type) | |
| 569 { | |
| 570 #ifdef DEBUG | |
| 571 if (!global.gag) | |
| 572 printf("1: \n"); | |
| 573 #endif | |
| 574 arg->error("%s is not an expression", arg->toChars()); | |
| 575 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 576 } | |
| 577 | |
| 578 arg = resolveProperties(sc, arg); | |
| 579 exps->data[i] = (void *) arg; | |
| 580 | |
| 581 //arg->rvalue(); | |
| 582 #if 0 | |
| 583 if (arg->type->ty == Tfunction) | |
| 584 { | |
| 585 arg = new AddrExp(arg->loc, arg); | |
| 586 arg = arg->semantic(sc); | |
| 587 exps->data[i] = (void *) arg; | |
| 588 } | |
| 589 #endif | |
| 590 } | |
| 591 } | |
| 592 } | |
| 593 | |
| 336 | 594 /********************************************* |
| 595 * Call copy constructor for struct value argument. | |
| 596 */ | |
| 597 #if DMDV2 | |
| 598 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 599 { | |
| 600 Type *tb = e->type->toBasetype(); | |
| 601 assert(tb->ty == Tstruct); | |
| 602 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 603 if (sd->cpctor) | |
| 604 { | |
| 605 /* Create a variable tmp, and replace the argument e with: | |
| 606 * (tmp = e),tmp | |
| 607 * and let AssignExp() handle the construction. | |
| 608 * This is not the most efficent, ideally tmp would be constructed | |
| 609 * directly onto the stack. | |
| 610 */ | |
| 611 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 612 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 613 Expression *ae = new DeclarationExp(loc, tmp); | |
| 614 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 615 e = e->semantic(sc); | |
| 616 } | |
| 617 return e; | |
| 618 } | |
| 619 #endif | |
| 159 | 620 |
| 621 /**************************************** | |
| 622 * Now that we know the exact type of the function we're calling, | |
| 623 * the arguments[] need to be adjusted: | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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486
diff
changeset
|
624 * 1. implicitly convert argument to the corresponding parameter type |
|
6aee82889553
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486
diff
changeset
|
625 * 2. add default arguments for any missing arguments |
|
6aee82889553
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486
diff
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|
626 * 3. do default promotions on arguments corresponding to ... |
|
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486
diff
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|
627 * 4. add hidden _arguments[] argument |
| 159 | 628 */ |
| 629 | |
|
1607
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Merge DMD r253: refactor: Argument => Parameter
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diff
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|
630 void functionParameters(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) |
| 159 | 631 { |
| 632 unsigned n; | |
| 633 | |
|
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Merge DMD r253: refactor: Argument => Parameter
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|
634 //printf("functionParameters()\n"); |
| 159 | 635 assert(arguments); |
| 636 size_t nargs = arguments ? arguments->dim : 0; | |
|
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Merge DMD r253: refactor: Argument => Parameter
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|
637 size_t nparams = Parameter::dim(tf->parameters); |
| 159 | 638 |
| 639 if (nargs > nparams && tf->varargs == 0) | |
| 1587 | 640 error(loc, "expected %zu arguments, not %zu for non-variadic function type %s", nparams, nargs, tf->toChars()); |
| 159 | 641 |
| 642 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 643 | |
|
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diff
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|
644 int done = 0; |
| 159 | 645 for (size_t i = 0; i < n; i++) |
| 646 { | |
| 647 Expression *arg; | |
| 648 | |
| 649 if (i < nargs) | |
| 650 arg = (Expression *)arguments->data[i]; | |
| 651 else | |
| 652 arg = NULL; | |
|
875
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Merged DMD 1.038
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diff
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|
653 Type *tb; |
| 159 | 654 |
| 655 if (i < nparams) | |
| 656 { | |
|
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diff
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|
657 Parameter *p = Parameter::getNth(tf->parameters, i); |
| 159 | 658 |
| 659 if (!arg) | |
| 660 { | |
| 661 if (!p->defaultArg) | |
| 662 { | |
| 663 if (tf->varargs == 2 && i + 1 == nparams) | |
| 664 goto L2; | |
| 1587 | 665 error(loc, "expected %zu function arguments, not %zu", nparams, nargs); |
|
1611
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Merge DMD r277: bugzilla 3495 Segfault(typinf.c) instantiating D variadic...
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diff
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|
666 return; |
| 159 | 667 } |
| 336 | 668 arg = p->defaultArg; |
| 669 #if DMDV2 | |
| 670 if (arg->op == TOKdefault) | |
| 671 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 672 arg = de->resolve(loc, sc); | |
| 673 } | |
| 674 else | |
| 675 #endif | |
| 676 arg = arg->copy(); | |
| 159 | 677 arguments->push(arg); |
| 678 nargs++; | |
| 679 } | |
| 680 | |
| 681 if (tf->varargs == 2 && i + 1 == nparams) | |
| 682 { | |
| 683 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 684 if (arg->implicitConvTo(p->type)) | |
| 685 { | |
| 686 if (nargs != nparams) | |
|
1611
3f728445fc42
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1609
diff
changeset
|
687 { error(loc, "expected %zu function arguments, not %zu", nparams, nargs); |
|
3f728445fc42
Merge DMD r277: bugzilla 3495 Segfault(typinf.c) instantiating D variadic...
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diff
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|
688 return; |
|
3f728445fc42
Merge DMD r277: bugzilla 3495 Segfault(typinf.c) instantiating D variadic...
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parents:
1609
diff
changeset
|
689 } |
| 159 | 690 goto L1; |
| 691 } | |
| 692 L2: | |
| 693 Type *tb = p->type->toBasetype(); | |
| 694 Type *tret = p->isLazyArray(); | |
| 695 switch (tb->ty) | |
| 696 { | |
| 697 case Tsarray: | |
| 698 case Tarray: | |
| 699 { // Create a static array variable v of type arg->type | |
| 700 #ifdef IN_GCC | |
| 701 /* GCC 4.0 does not like zero length arrays used like | |
| 702 this; pass a null array value instead. Could also | |
| 703 just make a one-element array. */ | |
| 704 if (nargs - i == 0) | |
| 705 { | |
| 706 arg = new NullExp(loc); | |
| 707 break; | |
| 708 } | |
| 709 #endif | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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846
diff
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|
710 Identifier *id = Lexer::uniqueId("__arrayArg"); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
711 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 712 t = t->semantic(loc, sc); |
| 713 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 714 v->semantic(sc); | |
| 715 v->parent = sc->parent; | |
| 716 //sc->insert(v); | |
| 717 | |
| 718 Expression *c = new DeclarationExp(0, v); | |
| 719 c->type = v->type; | |
| 720 | |
| 721 for (size_t u = i; u < nargs; u++) | |
| 722 { Expression *a = (Expression *)arguments->data[u]; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
723 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 724 a = a->toDelegate(sc, tret); |
| 725 | |
| 726 Expression *e = new VarExp(loc, v); | |
| 727 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
728 AssignExp *ae = new AssignExp(loc, e, a); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
729 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
730 ae->op = TOKconstruct; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
731 #endif |
| 159 | 732 if (c) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
733 c = new CommaExp(loc, c, ae); |
| 159 | 734 else |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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846
diff
changeset
|
735 c = ae; |
| 159 | 736 } |
| 737 arg = new VarExp(loc, v); | |
| 738 if (c) | |
| 739 arg = new CommaExp(loc, c, arg); | |
| 740 break; | |
| 741 } | |
| 742 case Tclass: | |
| 743 { /* Set arg to be: | |
| 744 * new Tclass(arg0, arg1, ..., argn) | |
| 745 */ | |
| 746 Expressions *args = new Expressions(); | |
| 747 args->setDim(nargs - i); | |
| 748 for (size_t u = i; u < nargs; u++) | |
| 749 args->data[u - i] = arguments->data[u]; | |
| 750 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 751 break; | |
| 752 } | |
| 753 default: | |
| 754 if (!arg) | |
| 755 { error(loc, "not enough arguments"); | |
| 756 return; | |
| 757 } | |
| 758 break; | |
| 759 } | |
| 760 arg = arg->semantic(sc); | |
| 761 //printf("\targ = '%s'\n", arg->toChars()); | |
| 762 arguments->setDim(i + 1); | |
| 763 done = 1; | |
| 764 } | |
| 765 | |
| 766 L1: | |
| 767 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 1587 | 768 { |
| 769 if (p->type != arg->type) | |
| 770 { | |
| 771 //printf("arg->type = %s, p->type = %s\n", arg->type->toChars(), p->type->toChars()); | |
| 772 if (arg->op == TOKtype) | |
| 773 arg->error("cannot pass type %s as function argument", arg->toChars()); | |
| 774 arg = arg->implicitCastTo(sc, p->type); | |
| 775 arg = arg->optimize(WANTvalue); | |
| 776 } | |
| 777 } | |
| 159 | 778 if (p->storageClass & (STCout | STCref)) |
| 779 { | |
| 780 // BUG: should check that argument to ref is type 'invariant' | |
| 781 // BUG: assignments to ref should also be type 'invariant' | |
| 782 arg = arg->modifiableLvalue(sc, arg); | |
| 783 | |
| 784 //if (arg->op == TOKslice) | |
| 785 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 786 } | |
| 787 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
788 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
789 #if !IN_LLVM |
| 159 | 790 // Convert static arrays to pointers |
| 791 tb = arg->type->toBasetype(); | |
| 792 if (tb->ty == Tsarray) | |
| 793 { | |
| 794 arg = arg->checkToPointer(); | |
| 795 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
796 #endif |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
797 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
798 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
799 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
800 arg = callCpCtor(loc, sc, arg); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
801 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
802 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
803 |
| 159 | 804 // Convert lazy argument to a delegate |
| 805 if (p->storageClass & STClazy) | |
| 806 { | |
| 807 arg = arg->toDelegate(sc, p->type); | |
| 808 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
809 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
810 /* Look for arguments that cannot 'escape' from the called |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
811 * function. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
812 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
813 if (!tf->parameterEscapes(p)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
814 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
815 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
816 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
817 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
818 if (arg->op == TOKfunction) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
819 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
820 fe->fd->tookAddressOf = 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
821 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
822 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
823 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
824 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
825 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
826 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
827 else if (arg->op == TOKdelegate) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
828 { DelegateExp *de = (DelegateExp *)arg; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
829 if (de->e1->op == TOKvar) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
830 { VarExp *ve = (VarExp *)de->e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
831 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
832 if (f) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
833 { f->tookAddressOf--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
834 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
835 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
836 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
837 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
838 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
839 #endif |
| 159 | 840 } |
| 841 else | |
| 842 { | |
| 843 | |
| 844 // If not D linkage, do promotions | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
845 // LDC: don't do promotions on intrinsics |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
846 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 847 { |
| 848 // Promote bytes, words, etc., to ints | |
| 849 arg = arg->integralPromotions(sc); | |
| 850 | |
| 851 // Promote floats to doubles | |
| 852 switch (arg->type->ty) | |
| 853 { | |
| 854 case Tfloat32: | |
| 855 arg = arg->castTo(sc, Type::tfloat64); | |
| 856 break; | |
| 857 | |
| 858 case Timaginary32: | |
| 859 arg = arg->castTo(sc, Type::timaginary64); | |
| 860 break; | |
| 861 } | |
| 862 } | |
| 863 | |
| 864 // Convert static arrays to dynamic arrays | |
| 865 tb = arg->type->toBasetype(); | |
| 866 if (tb->ty == Tsarray) | |
| 867 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 868 Type *ta = ts->next->arrayOf(); |
| 159 | 869 if (ts->size(arg->loc) == 0) |
| 870 { arg = new NullExp(arg->loc); | |
| 871 arg->type = ta; | |
| 872 } | |
| 873 else | |
| 874 arg = arg->castTo(sc, ta); | |
| 875 } | |
| 336 | 876 #if DMDV2 |
| 877 if (tb->ty == Tstruct) | |
| 878 { | |
| 879 arg = callCpCtor(loc, sc, arg); | |
| 880 } | |
| 1587 | 881 #endif |
| 336 | 882 |
| 883 // Give error for overloaded function addresses | |
| 1587 | 884 #if DMDV2 |
| 336 | 885 if (arg->op == TOKsymoff) |
| 886 { SymOffExp *se = (SymOffExp *)arg; | |
| 1587 | 887 if ( |
| 888 se->hasOverloads && | |
| 889 !se->var->isFuncDeclaration()->isUnique()) | |
| 336 | 890 arg->error("function %s is overloaded", arg->toChars()); |
| 891 } | |
| 892 #endif | |
| 159 | 893 arg->rvalue(); |
| 894 } | |
| 895 arg = arg->optimize(WANTvalue); | |
| 896 arguments->data[i] = (void *) arg; | |
| 897 if (done) | |
| 898 break; | |
| 899 } | |
| 900 | |
| 901 #if !IN_LLVM | |
| 902 // If D linkage and variadic, add _arguments[] as first argument | |
| 903 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 904 { | |
|
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905 assert(arguments->dim >= nparams); |
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906 Expression *e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], |
| 159 | 907 arguments->dim - nparams); |
| 908 arguments->insert(0, e); | |
| 909 } | |
| 910 #endif | |
| 911 } | |
| 912 | |
| 913 /************************************************** | |
| 914 * Write expression out to buf, but wrap it | |
| 915 * in ( ) if its precedence is less than pr. | |
| 916 */ | |
| 917 | |
| 918 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 919 { | |
| 336 | 920 //if (precedence[e->op] == 0) e->dump(0); |
|
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921 if (precedence[e->op] < pr || |
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922 /* Despite precedence, we don't allow a<b<c expressions. |
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923 * They must be parenthesized. |
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924 */ |
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925 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 926 { |
| 927 buf->writeByte('('); | |
| 928 e->toCBuffer(buf, hgs); | |
| 929 buf->writeByte(')'); | |
| 930 } | |
| 931 else | |
| 932 e->toCBuffer(buf, hgs); | |
| 933 } | |
| 934 | |
| 935 /************************************************** | |
| 936 * Write out argument list to buf. | |
| 937 */ | |
| 938 | |
| 939 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 940 { | |
| 941 if (arguments) | |
| 942 { | |
| 943 for (size_t i = 0; i < arguments->dim; i++) | |
| 944 { Expression *arg = (Expression *)arguments->data[i]; | |
| 945 | |
| 946 if (arg) | |
| 947 { if (i) | |
| 948 buf->writeByte(','); | |
| 949 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 950 } | |
| 951 } | |
| 952 } | |
| 953 } | |
| 954 | |
| 955 /************************************************** | |
| 956 * Write out argument types to buf. | |
| 957 */ | |
| 958 | |
| 959 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 960 { | |
| 961 if (arguments) | |
| 962 { OutBuffer argbuf; | |
| 963 | |
| 964 for (size_t i = 0; i < arguments->dim; i++) | |
| 965 { Expression *arg = (Expression *)arguments->data[i]; | |
| 966 | |
| 967 if (i) | |
| 968 buf->writeByte(','); | |
| 969 argbuf.reset(); | |
| 970 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 971 buf->write(&argbuf); | |
| 972 } | |
| 973 } | |
| 974 } | |
| 975 | |
| 976 /******************************** Expression **************************/ | |
| 977 | |
| 978 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 979 : loc(loc) | |
| 980 { | |
|
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981 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 982 this->loc = loc; |
| 983 this->op = op; | |
| 984 this->size = size; | |
| 985 type = NULL; | |
|
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986 |
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987 #if IN_LLVM |
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988 cachedLvalue = NULL; |
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989 #endif |
| 159 | 990 } |
| 991 | |
| 992 Expression *Expression::syntaxCopy() | |
| 993 { | |
| 994 //printf("Expression::syntaxCopy()\n"); | |
| 995 //dump(0); | |
| 996 return copy(); | |
| 997 } | |
| 998 | |
| 999 /********************************* | |
| 1000 * Does *not* do a deep copy. | |
| 1001 */ | |
| 1002 | |
| 1003 Expression *Expression::copy() | |
| 1004 { | |
| 1005 Expression *e; | |
| 1006 if (!size) | |
| 1007 { | |
| 1008 #ifdef DEBUG | |
| 1009 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 1010 printf("op = %d\n", op); | |
| 1011 dump(0); | |
| 1012 #endif | |
| 1013 assert(0); | |
| 1014 } | |
| 1015 e = (Expression *)mem.malloc(size); | |
|
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1016 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 1017 return (Expression *)memcpy(e, this, size); |
| 1018 } | |
| 1019 | |
| 1020 /************************** | |
| 1021 * Semantically analyze Expression. | |
| 1022 * Determine types, fold constants, etc. | |
| 1023 */ | |
| 1024 | |
| 1025 Expression *Expression::semantic(Scope *sc) | |
| 1026 { | |
| 1027 #if LOGSEMANTIC | |
| 336 | 1028 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 1029 #endif |
| 1030 if (type) | |
| 1031 type = type->semantic(loc, sc); | |
| 1032 else | |
| 1033 type = Type::tvoid; | |
| 1034 return this; | |
| 1035 } | |
| 1036 | |
| 1037 void Expression::print() | |
| 1038 { | |
| 1039 fprintf(stdmsg, "%s\n", toChars()); | |
| 1040 fflush(stdmsg); | |
| 1041 } | |
| 1042 | |
| 1043 char *Expression::toChars() | |
| 1044 { OutBuffer *buf; | |
| 1045 HdrGenState hgs; | |
| 1046 | |
| 1047 memset(&hgs, 0, sizeof(hgs)); | |
| 1048 buf = new OutBuffer(); | |
| 1049 toCBuffer(buf, &hgs); | |
| 1050 return buf->toChars(); | |
| 1051 } | |
| 1052 | |
| 1053 void Expression::error(const char *format, ...) | |
| 1054 { | |
| 1055 va_list ap; | |
| 1056 va_start(ap, format); | |
| 1057 ::verror(loc, format, ap); | |
| 1058 va_end( ap ); | |
| 1059 } | |
| 1060 | |
|
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1061 void Expression::warning(const char *format, ...) |
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1062 { |
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1063 if (global.params.warnings && !global.gag) |
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1064 { |
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1065 va_list ap; |
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1066 va_start(ap, format); |
|
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1067 ::vwarning(loc, format, ap); |
|
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1068 va_end( ap ); |
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1069 } |
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1070 } |
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1071 |
| 159 | 1072 void Expression::rvalue() |
| 1073 { | |
| 1074 if (type && type->toBasetype()->ty == Tvoid) | |
| 1075 { error("expression %s is void and has no value", toChars()); | |
| 1076 #if 0 | |
| 1077 dump(0); | |
| 1078 halt(); | |
| 1079 #endif | |
| 336 | 1080 type = Type::tint32; |
| 159 | 1081 } |
| 1082 } | |
| 1083 | |
| 1084 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 1085 { | |
| 1086 if (e1) | |
| 1087 { | |
| 1088 if (e2) | |
| 1089 { | |
| 1090 e1 = new CommaExp(e1->loc, e1, e2); | |
| 1091 e1->type = e2->type; | |
| 1092 } | |
| 1093 } | |
| 1094 else | |
| 1095 e1 = e2; | |
| 1096 return e1; | |
| 1097 } | |
| 1098 | |
|
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1099 dinteger_t Expression::toInteger() |
| 159 | 1100 { |
| 1101 //printf("Expression %s\n", Token::toChars(op)); | |
| 1102 error("Integer constant expression expected instead of %s", toChars()); | |
| 1103 return 0; | |
| 1104 } | |
| 1105 | |
| 1106 uinteger_t Expression::toUInteger() | |
| 1107 { | |
| 1108 //printf("Expression %s\n", Token::toChars(op)); | |
| 1109 return (uinteger_t)toInteger(); | |
| 1110 } | |
| 1111 | |
| 1112 real_t Expression::toReal() | |
| 1113 { | |
| 1114 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1115 return 0; | |
| 1116 } | |
| 1117 | |
| 1118 real_t Expression::toImaginary() | |
| 1119 { | |
| 1120 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1121 return 0; | |
| 1122 } | |
| 1123 | |
| 1124 complex_t Expression::toComplex() | |
| 1125 { | |
| 1126 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1127 #ifdef IN_GCC | |
| 1128 return complex_t(real_t(0)); // %% nicer | |
| 1129 #else | |
| 1130 return 0; | |
| 1131 #endif | |
| 1132 } | |
| 1133 | |
| 1134 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1135 { | |
| 1136 buf->writestring(Token::toChars(op)); | |
| 1137 } | |
| 1138 | |
| 1139 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1140 { | |
| 1141 error("expression %s is not a valid template value argument", toChars()); | |
| 1142 } | |
| 1143 | |
|
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1144 /*************************************** |
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1145 * Return !=0 if expression is an lvalue. |
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1146 */ |
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1147 #if DMDV2 |
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1148 int Expression::isLvalue() |
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1149 { |
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1150 return 0; |
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1151 } |
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1152 #endif |
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1153 |
| 159 | 1154 /******************************* |
| 1155 * Give error if we're not an lvalue. | |
| 1156 * If we can, convert expression to be an lvalue. | |
| 1157 */ | |
| 1158 | |
| 1159 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1160 { | |
| 1161 if (!e) | |
| 1162 e = this; | |
| 1163 else if (!loc.filename) | |
| 1164 loc = e->loc; | |
| 1165 error("%s is not an lvalue", e->toChars()); | |
| 1166 return this; | |
| 1167 } | |
| 1168 | |
| 1169 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1170 { | |
|
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1171 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1172 |
| 159 | 1173 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1174 #if DMDV2 |
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1175 if (type && (!type->isMutable() || !type->isAssignable())) |
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1176 error("%s is not mutable", e->toChars()); |
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1177 #endif |
| 159 | 1178 return toLvalue(sc, e); |
| 1179 } | |
| 1180 | |
| 1181 /************************************ | |
| 1182 * Detect cases where pointers to the stack can 'escape' the | |
| 1183 * lifetime of the stack frame. | |
| 1184 */ | |
| 1185 | |
| 1186 void Expression::checkEscape() | |
| 1187 { | |
| 1188 } | |
| 1189 | |
| 1190 void Expression::checkScalar() | |
| 1191 { | |
| 1192 if (!type->isscalar()) | |
| 1193 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1194 } | |
| 1195 | |
| 1196 void Expression::checkNoBool() | |
| 1197 { | |
| 1198 if (type->toBasetype()->ty == Tbool) | |
| 1199 error("operation not allowed on bool '%s'", toChars()); | |
| 1200 } | |
| 1201 | |
| 1202 Expression *Expression::checkIntegral() | |
| 1203 { | |
| 1204 if (!type->isintegral()) | |
| 1205 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1206 return new IntegerExp(0); | |
| 1207 } | |
| 1208 return this; | |
| 1209 } | |
| 1210 | |
| 1211 Expression *Expression::checkArithmetic() | |
| 1212 { | |
| 1213 if (!type->isintegral() && !type->isfloating()) | |
| 1214 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1215 return new IntegerExp(0); | |
| 1216 } | |
| 1217 return this; | |
| 1218 } | |
| 1219 | |
| 1220 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1221 { | |
| 1222 s->checkDeprecated(loc, sc); | |
| 1223 } | |
| 1224 | |
|
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1225 #if DMDV2 |
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1226 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1227 { |
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1228 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1229 error("pure function '%s' cannot call impure function '%s'\n", |
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1230 sc->func->toChars(), f->toChars()); |
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1231 } |
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1232 #endif |
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1233 |
| 159 | 1234 /******************************** |
| 1235 * Check for expressions that have no use. | |
| 1236 * Input: | |
| 1237 * flag 0 not going to use the result, so issue error message if no | |
| 1238 * side effects | |
| 1239 * 1 the result of the expression is used, but still check | |
| 1240 * for useless subexpressions | |
| 1241 * 2 do not issue error messages, just return !=0 if expression | |
| 1242 * has side effects | |
| 1243 */ | |
| 1244 | |
| 1245 int Expression::checkSideEffect(int flag) | |
| 1246 { | |
| 1247 if (flag == 0) | |
| 1248 { if (op == TOKimport) | |
| 1249 { | |
| 1250 error("%s has no effect", toChars()); | |
| 1251 } | |
| 1252 else | |
| 1253 error("%s has no effect in expression (%s)", | |
| 1254 Token::toChars(op), toChars()); | |
| 1255 } | |
| 1256 return 0; | |
| 1257 } | |
| 1258 | |
| 1259 /***************************** | |
| 1260 * Check that expression can be tested for true or false. | |
| 1261 */ | |
| 1262 | |
| 1263 Expression *Expression::checkToBoolean() | |
| 1264 { | |
| 1265 // Default is 'yes' - do nothing | |
| 1266 | |
| 1267 #ifdef DEBUG | |
| 1268 if (!type) | |
| 1269 dump(0); | |
| 1270 #endif | |
| 1271 | |
| 1272 if (!type->checkBoolean()) | |
| 1273 { | |
| 1274 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1275 } | |
| 1276 return this; | |
| 1277 } | |
| 1278 | |
| 1279 /**************************** | |
| 1280 */ | |
| 1281 | |
| 1282 Expression *Expression::checkToPointer() | |
| 1283 { | |
| 1284 Expression *e; | |
| 1285 Type *tb; | |
| 1286 | |
| 1287 //printf("Expression::checkToPointer()\n"); | |
| 1288 e = this; | |
| 1289 | |
| 1290 // If C static array, convert to pointer | |
| 1291 tb = type->toBasetype(); | |
| 1292 if (tb->ty == Tsarray) | |
| 1293 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1294 if (ts->size(loc) == 0) | |
| 1295 e = new NullExp(loc); | |
| 1296 else | |
| 1297 e = new AddrExp(loc, this); | |
| 336 | 1298 e->type = ts->next->pointerTo(); |
| 159 | 1299 } |
| 1300 return e; | |
| 1301 } | |
| 1302 | |
| 1303 /****************************** | |
| 1304 * Take address of expression. | |
| 1305 */ | |
| 1306 | |
| 1307 Expression *Expression::addressOf(Scope *sc) | |
| 1308 { | |
| 1309 Expression *e; | |
| 1310 | |
| 1311 //printf("Expression::addressOf()\n"); | |
| 1312 e = toLvalue(sc, NULL); | |
| 1313 e = new AddrExp(loc, e); | |
| 1314 e->type = type->pointerTo(); | |
| 1315 return e; | |
| 1316 } | |
| 1317 | |
| 1318 /****************************** | |
| 1319 * If this is a reference, dereference it. | |
| 1320 */ | |
| 1321 | |
| 1322 Expression *Expression::deref() | |
| 1323 { | |
| 1324 //printf("Expression::deref()\n"); | |
| 1587 | 1325 // type could be null if forward referencing an 'auto' variable |
| 1326 if (type && type->ty == Treference) | |
| 1327 { | |
| 1328 Expression *e = new PtrExp(loc, this); | |
| 336 | 1329 e->type = ((TypeReference *)type)->next; |
| 159 | 1330 return e; |
| 1331 } | |
| 1332 return this; | |
| 1333 } | |
| 1334 | |
| 1335 /******************************** | |
| 1336 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1337 */ | |
| 1338 | |
| 1339 int Expression::isBool(int result) | |
| 1340 { | |
| 1341 return FALSE; | |
| 1342 } | |
| 1343 | |
| 1344 /******************************** | |
| 1345 * Does this expression result in either a 1 or a 0? | |
| 1346 */ | |
| 1347 | |
| 1348 int Expression::isBit() | |
| 1349 { | |
| 1350 return FALSE; | |
| 1351 } | |
| 1352 | |
| 336 | 1353 /******************************** |
| 1354 * Can this expression throw an exception? | |
| 1355 * Valid only after semantic() pass. | |
| 1356 */ | |
| 1357 | |
| 1358 int Expression::canThrow() | |
| 1359 { | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1360 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
1361 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1362 #else |
| 336 | 1363 return TRUE; |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1364 #endif |
| 336 | 1365 } |
| 1366 | |
| 1367 | |
| 1368 | |
| 159 | 1369 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1370 { Expressions *a = NULL; | |
| 1371 | |
| 1372 if (exps) | |
| 1373 { | |
| 1374 a = new Expressions(); | |
| 1375 a->setDim(exps->dim); | |
| 1376 for (int i = 0; i < a->dim; i++) | |
| 1377 { Expression *e = (Expression *)exps->data[i]; | |
| 1378 | |
| 1379 e = e->syntaxCopy(); | |
| 1380 a->data[i] = e; | |
| 1381 } | |
| 1382 } | |
| 1383 return a; | |
| 1384 } | |
| 1385 | |
| 1386 /******************************** IntegerExp **************************/ | |
| 1387 | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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|
1388 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1389 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1390 { | |
| 1391 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1392 if (type && !type->isscalar()) | |
| 1393 { | |
| 336 | 1394 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1395 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1396 type = Type::terror; | |
| 1397 } | |
| 1398 this->type = type; | |
| 1399 this->value = value; | |
| 1400 } | |
| 1401 | |
|
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Merged DMD 1.042.
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|
1402 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1403 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1404 { | |
| 1405 this->type = Type::tint32; | |
| 1406 this->value = value; | |
| 1407 } | |
| 1408 | |
| 1409 int IntegerExp::equals(Object *o) | |
| 1410 { IntegerExp *ne; | |
| 1411 | |
| 1412 if (this == o || | |
| 1413 (((Expression *)o)->op == TOKint64 && | |
| 1414 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1415 value == ne->value)) | |
| 1416 return 1; | |
| 1417 return 0; | |
| 1418 } | |
| 1419 | |
| 1420 char *IntegerExp::toChars() | |
| 1421 { | |
| 1422 #if 1 | |
| 1423 return Expression::toChars(); | |
| 1424 #else | |
| 1425 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
|
1426 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1427 sprintf(buffer, "%jd", value); |
| 159 | 1428 return buffer; |
| 1429 #endif | |
| 1430 } | |
| 1431 | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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|
1432 dinteger_t IntegerExp::toInteger() |
| 159 | 1433 { Type *t; |
| 1434 | |
| 1435 t = type; | |
| 1436 while (t) | |
| 1437 { | |
| 1438 switch (t->ty) | |
| 1439 { | |
| 1440 case Tbit: | |
| 1441 case Tbool: value = (value != 0); break; | |
| 1442 case Tint8: value = (d_int8) value; break; | |
| 1443 case Tchar: | |
| 1444 case Tuns8: value = (d_uns8) value; break; | |
| 1445 case Tint16: value = (d_int16) value; break; | |
| 1446 case Twchar: | |
| 1447 case Tuns16: value = (d_uns16) value; break; | |
| 1448 case Tint32: value = (d_int32) value; break; | |
| 1449 case Tdchar: | |
| 1450 case Tuns32: value = (d_uns32) value; break; | |
| 1451 case Tint64: value = (d_int64) value; break; | |
| 1452 case Tuns64: value = (d_uns64) value; break; | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1453 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
|
1454 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
|
1455 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
|
1456 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
|
1457 value = (d_uns64) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1458 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1459 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
|
1460 break; |
| 159 | 1461 |
| 1462 case Tenum: | |
| 1463 { | |
| 1464 TypeEnum *te = (TypeEnum *)t; | |
| 1465 t = te->sym->memtype; | |
| 1466 continue; | |
| 1467 } | |
| 1468 | |
| 1469 case Ttypedef: | |
| 1470 { | |
| 1471 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1472 t = tt->sym->basetype; | |
| 1473 continue; | |
| 1474 } | |
| 1475 | |
| 1476 default: | |
| 336 | 1477 /* This can happen if errors, such as |
| 1478 * the type is painted on like in fromConstInitializer(). | |
| 1479 */ | |
| 1480 if (!global.errors) | |
| 1481 { type->print(); | |
| 1482 assert(0); | |
| 1483 } | |
| 159 | 1484 break; |
| 1485 } | |
| 1486 break; | |
| 1487 } | |
| 1488 return value; | |
| 1489 } | |
| 1490 | |
| 1491 real_t IntegerExp::toReal() | |
| 1492 { | |
| 1493 Type *t; | |
| 1494 | |
| 1495 toInteger(); | |
| 1496 t = type->toBasetype(); | |
| 1497 if (t->ty == Tuns64) | |
| 1498 return (real_t)(d_uns64)value; | |
| 1499 else | |
| 1500 return (real_t)(d_int64)value; | |
| 1501 } | |
| 1502 | |
| 1503 real_t IntegerExp::toImaginary() | |
| 1504 { | |
| 1505 return (real_t) 0; | |
| 1506 } | |
| 1507 | |
| 1508 complex_t IntegerExp::toComplex() | |
| 1509 { | |
| 1510 return toReal(); | |
| 1511 } | |
| 1512 | |
| 1513 int IntegerExp::isBool(int result) | |
| 1514 { | |
| 1515 return result ? value != 0 : value == 0; | |
| 1516 } | |
| 1517 | |
| 1518 Expression *IntegerExp::semantic(Scope *sc) | |
| 1519 { | |
| 1520 if (!type) | |
| 1521 { | |
| 1522 // 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
|
1523 dinteger_t number = value; |
| 159 | 1524 |
| 1525 if (number & 0x8000000000000000LL) | |
| 1526 type = Type::tuns64; | |
| 1527 else if (number & 0xFFFFFFFF80000000LL) | |
| 1528 type = Type::tint64; | |
| 1529 else | |
| 1530 type = Type::tint32; | |
| 1531 } | |
| 1532 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
|
1533 { 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
|
1534 type = type->semantic(loc, sc); |
| 159 | 1535 } |
| 1536 return this; | |
| 1537 } | |
| 1538 | |
| 1539 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1540 { | |
| 1541 if (!e) | |
| 1542 e = this; | |
| 1543 else if (!loc.filename) | |
| 1544 loc = e->loc; | |
| 1545 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1546 return this; | |
| 1547 } | |
| 1548 | |
| 1549 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1550 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1551 dinteger_t v = toInteger(); |
| 159 | 1552 |
| 1553 if (type) | |
| 1554 { Type *t = type; | |
| 1555 | |
| 1556 L1: | |
| 1557 switch (t->ty) | |
| 1558 { | |
| 1559 case Tenum: | |
| 1560 { TypeEnum *te = (TypeEnum *)t; | |
| 1561 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1562 t = te->sym->memtype; | |
| 1563 goto L1; | |
| 1564 } | |
| 1565 | |
| 1566 case Ttypedef: | |
| 1567 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1568 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1569 t = tt->sym->basetype; | |
| 1570 goto L1; | |
| 1571 } | |
| 1572 | |
| 1573 case Twchar: // BUG: need to cast(wchar) | |
| 1574 case Tdchar: // BUG: need to cast(dchar) | |
| 1575 if ((uinteger_t)v > 0xFF) | |
| 1576 { | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
1577 buf->printf("'\\U%08x'", (unsigned)v); |
| 159 | 1578 break; |
| 1579 } | |
| 1580 case Tchar: | |
| 1581 if (v == '\'') | |
| 1582 buf->writestring("'\\''"); | |
| 1583 else if (isprint(v) && v != '\\') | |
| 1584 buf->printf("'%c'", (int)v); | |
| 1585 else | |
| 1586 buf->printf("'\\x%02x'", (int)v); | |
| 1587 break; | |
| 1588 | |
| 1589 case Tint8: | |
| 1590 buf->writestring("cast(byte)"); | |
| 1591 goto L2; | |
| 1592 | |
| 1593 case Tint16: | |
| 1594 buf->writestring("cast(short)"); | |
| 1595 goto L2; | |
| 1596 | |
| 1597 case Tint32: | |
| 1598 L2: | |
| 1599 buf->printf("%d", (int)v); | |
| 1600 break; | |
| 1601 | |
| 1602 case Tuns8: | |
| 1603 buf->writestring("cast(ubyte)"); | |
| 1604 goto L3; | |
| 1605 | |
| 1606 case Tuns16: | |
| 1607 buf->writestring("cast(ushort)"); | |
| 1608 goto L3; | |
| 1609 | |
| 1610 case Tuns32: | |
| 1611 L3: | |
| 1612 buf->printf("%du", (unsigned)v); | |
| 1613 break; | |
| 1614 | |
| 1615 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1616 buf->printf("%jdL", v); |
| 159 | 1617 break; |
| 1618 | |
| 1619 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1620 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1621 buf->printf("%juLU", v); |
| 159 | 1622 break; |
| 1623 | |
| 1624 case Tbit: | |
| 1625 case Tbool: | |
| 1626 buf->writestring((char *)(v ? "true" : "false")); | |
| 1627 break; | |
| 1628 | |
| 1629 case Tpointer: | |
| 1630 buf->writestring("cast("); | |
| 1631 buf->writestring(t->toChars()); | |
| 1632 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
|
1633 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
|
1634 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1635 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
|
1636 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1637 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1638 assert(0); |
| 159 | 1639 |
| 1640 default: | |
| 336 | 1641 /* This can happen if errors, such as |
| 1642 * the type is painted on like in fromConstInitializer(). | |
| 1643 */ | |
| 1644 if (!global.errors) | |
| 1645 { | |
| 159 | 1646 #ifdef DEBUG |
| 336 | 1647 t->print(); |
| 159 | 1648 #endif |
| 336 | 1649 assert(0); |
| 1650 } | |
| 1651 break; | |
| 159 | 1652 } |
| 1653 } | |
| 1654 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1655 buf->printf("0x%jx", v); |
| 159 | 1656 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1657 buf->printf("%jd", v); |
| 159 | 1658 } |
| 1659 | |
| 1660 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1661 { | |
| 1662 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
|
1663 buf->printf("N%jd", -value); |
| 159 | 1664 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1665 buf->printf("%jd", value); |
| 159 | 1666 } |
| 1667 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1668 /******************************** ErrorExp **************************/ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1669 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1670 /* Use this expression for error recovery. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1671 * It should behave as a 'sink' to prevent further cascaded error messages. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1672 */ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1673 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1674 ErrorExp::ErrorExp() |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1675 : IntegerExp(0, 0, Type::terror) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1676 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1677 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1678 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1679 void ErrorExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1680 { |
|
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1681 buf->writestring("__error"); |
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1683 |
| 159 | 1684 /******************************** RealExp **************************/ |
| 1685 | |
| 1686 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1687 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1688 { | |
| 1689 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1690 this->value = value; | |
| 1691 this->type = type; | |
| 1692 } | |
| 1693 | |
| 1694 char *RealExp::toChars() | |
| 1695 { | |
| 1696 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1697 | |
| 1698 #ifdef IN_GCC | |
| 1699 value.format(buffer, sizeof(buffer)); | |
| 1700 if (type->isimaginary()) | |
| 1701 strcat(buffer, "i"); | |
| 1702 #else | |
| 1703 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1704 #endif | |
| 1705 assert(strlen(buffer) < sizeof(buffer)); | |
| 1706 return mem.strdup(buffer); | |
| 1707 } | |
| 1708 | |
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1709 dinteger_t RealExp::toInteger() |
| 159 | 1710 { |
| 1711 #ifdef IN_GCC | |
| 1712 return toReal().toInt(); | |
| 1713 #else | |
| 1714 return (sinteger_t) toReal(); | |
| 1715 #endif | |
| 1716 } | |
| 1717 | |
| 1718 uinteger_t RealExp::toUInteger() | |
| 1719 { | |
| 1720 #ifdef IN_GCC | |
| 1721 return (uinteger_t) toReal().toInt(); | |
| 1722 #else | |
| 1723 return (uinteger_t) toReal(); | |
| 1724 #endif | |
| 1725 } | |
| 1726 | |
| 1727 real_t RealExp::toReal() | |
| 1728 { | |
| 1729 return type->isreal() ? value : 0; | |
| 1730 } | |
| 1731 | |
| 1732 real_t RealExp::toImaginary() | |
| 1733 { | |
| 1734 return type->isreal() ? 0 : value; | |
| 1735 } | |
| 1736 | |
| 1737 complex_t RealExp::toComplex() | |
| 1738 { | |
| 1739 #ifdef __DMC__ | |
| 1740 return toReal() + toImaginary() * I; | |
| 1741 #else | |
| 1742 return complex_t(toReal(), toImaginary()); | |
| 1743 #endif | |
| 1744 } | |
| 1745 | |
| 1746 /******************************** | |
| 1747 * Test to see if two reals are the same. | |
| 1748 * Regard NaN's as equivalent. | |
| 1749 * Regard +0 and -0 as different. | |
| 1750 */ | |
| 1751 | |
| 1752 int RealEquals(real_t x1, real_t x2) | |
| 1753 { | |
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1754 #if __APPLE__ |
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1755 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1756 #else |
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1757 return // special case nans |
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1758 (isnan(x1) && isnan(x2)) || |
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1759 #endif |
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1760 // and zero, in order to distinguish +0 from -0 |
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1761 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1762 // otherwise just compare |
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1763 (x1 != 0. && x1 == x2); |
| 159 | 1764 } |
| 1765 | |
| 1766 int RealExp::equals(Object *o) | |
| 1767 { RealExp *ne; | |
| 1768 | |
| 1769 if (this == o || | |
| 1770 (((Expression *)o)->op == TOKfloat64 && | |
| 1771 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1772 RealEquals(value, ne->value) | |
| 1773 ) | |
| 1774 ) | |
| 1775 return 1; | |
| 1776 return 0; | |
| 1777 } | |
| 1778 | |
| 1779 Expression *RealExp::semantic(Scope *sc) | |
| 1780 { | |
| 1781 if (!type) | |
| 1782 type = Type::tfloat64; | |
| 1783 else | |
| 1784 type = type->semantic(loc, sc); | |
| 1785 return this; | |
| 1786 } | |
| 1787 | |
| 1788 int RealExp::isBool(int result) | |
| 1789 { | |
| 1790 #ifdef IN_GCC | |
| 1791 return result ? (! value.isZero()) : (value.isZero()); | |
| 1792 #else | |
| 1793 return result ? (value != 0) | |
| 1794 : (value == 0); | |
| 1795 #endif | |
| 1796 } | |
| 1797 | |
| 1798 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1799 { | |
| 1800 /* In order to get an exact representation, try converting it | |
| 1801 * to decimal then back again. If it matches, use it. | |
| 1802 * If it doesn't, fall back to hex, which is | |
| 1803 * always exact. | |
| 1804 */ | |
| 1805 char buffer[25]; | |
| 1806 sprintf(buffer, "%Lg", value); | |
| 1807 assert(strlen(buffer) < sizeof(buffer)); | |
| 1808 #if _WIN32 && __DMC__ | |
| 1809 char *save = __locale_decpoint; | |
| 1810 __locale_decpoint = "."; | |
| 1811 real_t r = strtold(buffer, NULL); | |
| 1812 __locale_decpoint = save; | |
| 1813 #else | |
| 1814 real_t r = strtold(buffer, NULL); | |
| 1815 #endif | |
| 1816 if (r == value) // if exact duplication | |
| 1817 buf->writestring(buffer); | |
| 1818 else | |
| 1819 buf->printf("%La", value); // ensure exact duplication | |
| 1820 | |
| 1821 if (type) | |
| 1822 { | |
| 1823 Type *t = type->toBasetype(); | |
| 1824 switch (t->ty) | |
| 1825 { | |
| 1826 case Tfloat32: | |
| 1827 case Timaginary32: | |
| 1828 case Tcomplex32: | |
| 1829 buf->writeByte('F'); | |
| 1830 break; | |
| 1831 | |
| 1832 case Tfloat80: | |
| 1833 case Timaginary80: | |
| 1834 case Tcomplex80: | |
| 1835 buf->writeByte('L'); | |
| 1836 break; | |
| 1837 | |
| 1838 default: | |
| 1839 break; | |
| 1840 } | |
| 1841 if (t->isimaginary()) | |
| 1842 buf->writeByte('i'); | |
| 1843 } | |
| 1844 } | |
| 1845 | |
| 1846 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1847 { | |
| 1848 floatToBuffer(buf, type, value); | |
| 1849 } | |
| 1850 | |
| 1851 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1852 { | |
| 1853 /* Rely on %A to get portable mangling. | |
| 1854 * Must munge result to get only identifier characters. | |
| 1855 * | |
| 1856 * Possible values from %A => mangled result | |
| 1857 * NAN => NAN | |
| 1858 * -INF => NINF | |
| 1859 * INF => INF | |
| 1860 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1861 * 0X1.9P+2 => 19P2 | |
| 1862 */ | |
| 1863 | |
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1866 #else |
| 159 | 1867 if (isnan(value)) |
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1868 #endif |
| 159 | 1869 buf->writestring("NAN"); // no -NAN bugs |
| 1870 else | |
| 1871 { | |
| 1872 char buffer[32]; | |
| 1873 int n = sprintf(buffer, "%LA", value); | |
| 1874 assert(n > 0 && n < sizeof(buffer)); | |
| 1875 for (int i = 0; i < n; i++) | |
| 1876 { char c = buffer[i]; | |
| 1877 | |
| 1878 switch (c) | |
| 1879 { | |
| 1880 case '-': | |
| 1881 buf->writeByte('N'); | |
| 1882 break; | |
| 1883 | |
| 1884 case '+': | |
| 1885 case 'X': | |
| 1886 case '.': | |
| 1887 break; | |
| 1888 | |
| 1889 case '0': | |
| 1890 if (i < 2) | |
| 1891 break; // skip leading 0X | |
| 1892 default: | |
| 1893 buf->writeByte(c); | |
| 1894 break; | |
| 1895 } | |
| 1896 } | |
| 1897 } | |
| 1898 } | |
| 1899 | |
| 1900 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1901 { | |
| 1902 buf->writeByte('e'); | |
| 1903 realToMangleBuffer(buf, value); | |
| 1904 } | |
| 1905 | |
| 1906 | |
| 1907 /******************************** ComplexExp **************************/ | |
| 1908 | |
| 1909 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1910 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1911 { | |
| 1912 this->value = value; | |
| 1913 this->type = type; | |
| 1914 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1915 } | |
| 1916 | |
| 1917 char *ComplexExp::toChars() | |
| 1918 { | |
| 1919 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1920 | |
| 1921 #ifdef IN_GCC | |
| 1922 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1923 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1924 creall(value).format(buf1, sizeof(buf1)); | |
| 1925 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1926 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1927 #else | |
| 1928 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1929 assert(strlen(buffer) < sizeof(buffer)); | |
| 1930 #endif | |
| 1931 return mem.strdup(buffer); | |
| 1932 } | |
| 1933 | |
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1934 dinteger_t ComplexExp::toInteger() |
| 159 | 1935 { |
| 1936 #ifdef IN_GCC | |
| 1937 return (sinteger_t) toReal().toInt(); | |
| 1938 #else | |
| 1939 return (sinteger_t) toReal(); | |
| 1940 #endif | |
| 1941 } | |
| 1942 | |
| 1943 uinteger_t ComplexExp::toUInteger() | |
| 1944 { | |
| 1945 #ifdef IN_GCC | |
| 1946 return (uinteger_t) toReal().toInt(); | |
| 1947 #else | |
| 1948 return (uinteger_t) toReal(); | |
| 1949 #endif | |
| 1950 } | |
| 1951 | |
| 1952 real_t ComplexExp::toReal() | |
| 1953 { | |
| 1954 return creall(value); | |
| 1955 } | |
| 1956 | |
| 1957 real_t ComplexExp::toImaginary() | |
| 1958 { | |
| 1959 return cimagl(value); | |
| 1960 } | |
| 1961 | |
| 1962 complex_t ComplexExp::toComplex() | |
| 1963 { | |
| 1964 return value; | |
| 1965 } | |
| 1966 | |
| 1967 int ComplexExp::equals(Object *o) | |
| 1968 { ComplexExp *ne; | |
| 1969 | |
| 1970 if (this == o || | |
| 1971 (((Expression *)o)->op == TOKcomplex80 && | |
| 1972 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1973 RealEquals(creall(value), creall(ne->value)) && | |
| 1974 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1975 ) | |
| 1976 ) | |
| 1977 return 1; | |
| 1978 return 0; | |
| 1979 } | |
| 1980 | |
| 1981 Expression *ComplexExp::semantic(Scope *sc) | |
| 1982 { | |
| 1983 if (!type) | |
| 1984 type = Type::tcomplex80; | |
| 1985 else | |
| 1986 type = type->semantic(loc, sc); | |
| 1987 return this; | |
| 1988 } | |
| 1989 | |
| 1990 int ComplexExp::isBool(int result) | |
| 1991 { | |
| 1992 if (result) | |
| 1993 return (bool)(value); | |
| 1994 else | |
| 1995 return !value; | |
| 1996 } | |
| 1997 | |
| 1998 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1999 { | |
| 2000 /* Print as: | |
| 2001 * (re+imi) | |
| 2002 */ | |
| 2003 #ifdef IN_GCC | |
| 2004 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 2005 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 2006 creall(value).format(buf1, sizeof(buf1)); | |
| 2007 cimagl(value).format(buf2, sizeof(buf2)); | |
| 2008 buf->printf("(%s+%si)", buf1, buf2); | |
| 2009 #else | |
| 2010 buf->writeByte('('); | |
| 2011 floatToBuffer(buf, type, creall(value)); | |
| 2012 buf->writeByte('+'); | |
| 2013 floatToBuffer(buf, type, cimagl(value)); | |
| 2014 buf->writestring("i)"); | |
| 2015 #endif | |
| 2016 } | |
| 2017 | |
| 2018 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 2019 { | |
| 2020 buf->writeByte('c'); | |
| 2021 real_t r = toReal(); | |
| 2022 realToMangleBuffer(buf, r); | |
| 2023 buf->writeByte('c'); // separate the two | |
| 2024 r = toImaginary(); | |
| 2025 realToMangleBuffer(buf, r); | |
| 2026 } | |
| 2027 | |
| 2028 /******************************** IdentifierExp **************************/ | |
| 2029 | |
| 2030 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 2031 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 2032 { | |
| 2033 this->ident = ident; | |
| 2034 } | |
| 2035 | |
| 2036 Expression *IdentifierExp::semantic(Scope *sc) | |
| 2037 { | |
| 2038 Dsymbol *s; | |
| 2039 Dsymbol *scopesym; | |
| 2040 | |
| 2041 #if LOGSEMANTIC | |
| 2042 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 2043 #endif | |
| 2044 s = sc->search(loc, ident, &scopesym); | |
| 2045 if (s) | |
| 2046 { Expression *e; | |
| 2047 WithScopeSymbol *withsym; | |
| 2048 | |
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2049 /* See if the symbol was a member of an enclosing 'with' |
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2050 */ |
| 159 | 2051 withsym = scopesym->isWithScopeSymbol(); |
| 2052 if (withsym) | |
| 2053 { | |
| 2054 s = s->toAlias(); | |
| 2055 | |
| 2056 // Same as wthis.ident | |
| 2057 if (s->needThis() || s->isTemplateDeclaration()) | |
| 2058 { | |
| 2059 e = new VarExp(loc, withsym->withstate->wthis); | |
| 2060 e = new DotIdExp(loc, e, ident); | |
| 2061 } | |
| 2062 else | |
| 2063 { Type *t = withsym->withstate->wthis->type; | |
| 2064 if (t->ty == Tpointer) | |
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2065 t = ((TypePointer *)t)->next; |
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2066 e = typeDotIdExp(loc, t, ident); |
| 159 | 2067 } |
| 2068 } | |
| 2069 else | |
| 2070 { | |
| 2071 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 2072 { // Kludge to run semantic() here because | |
| 2073 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 2074 s->semantic(sc); | |
| 2075 } | |
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2076 /* If f is really a function template, |
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2077 * then replace f with the function template declaration. |
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2078 */ |
| 159 | 2079 FuncDeclaration *f = s->isFuncDeclaration(); |
| 2080 if (f && f->parent) | |
| 2081 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 2082 | |
| 2083 if (ti && | |
| 2084 !ti->isTemplateMixin() && | |
| 2085 (ti->name == f->ident || | |
| 2086 ti->toAlias()->ident == f->ident) | |
| 2087 && | |
| 2088 ti->tempdecl && ti->tempdecl->onemember) | |
| 2089 { | |
| 2090 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 2091 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 2092 tempdecl = tempdecl->overroot; // then get the start | |
| 2093 e = new TemplateExp(loc, tempdecl); | |
| 2094 e = e->semantic(sc); | |
| 2095 return e; | |
| 2096 } | |
| 2097 } | |
| 2098 e = new DsymbolExp(loc, s); | |
| 2099 } | |
| 2100 return e->semantic(sc); | |
| 2101 } | |
| 2102 error("undefined identifier %s", ident->toChars()); | |
| 2103 type = Type::terror; | |
| 2104 return this; | |
| 2105 } | |
| 2106 | |
| 2107 char *IdentifierExp::toChars() | |
| 2108 { | |
| 2109 return ident->toChars(); | |
| 2110 } | |
| 2111 | |
| 2112 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2113 { | |
| 2114 if (hgs->hdrgen) | |
| 2115 buf->writestring(ident->toHChars2()); | |
| 2116 else | |
| 2117 buf->writestring(ident->toChars()); | |
| 2118 } | |
| 2119 | |
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2120 #if DMDV2 |
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2121 int IdentifierExp::isLvalue() |
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2122 { |
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2123 return 1; |
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2124 } |
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2125 #endif |
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2126 |
| 159 | 2127 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2128 { | |
| 2129 #if 0 | |
| 2130 tym = tybasic(e1->ET->Tty); | |
| 2131 if (!(tyscalar(tym) || | |
| 2132 tym == TYstruct || | |
| 2133 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2134 synerr(EM_lvalue); // lvalue expected | |
| 2135 #endif | |
| 2136 return this; | |
| 2137 } | |
| 2138 | |
| 2139 /******************************** DollarExp **************************/ | |
| 2140 | |
| 2141 DollarExp::DollarExp(Loc loc) | |
| 2142 : IdentifierExp(loc, Id::dollar) | |
| 2143 { | |
| 2144 } | |
| 2145 | |
| 2146 /******************************** DsymbolExp **************************/ | |
| 2147 | |
| 2148 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2149 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2150 { | |
| 2151 this->s = s; | |
| 2152 } | |
| 2153 | |
| 2154 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2155 { | |
| 2156 #if LOGSEMANTIC | |
| 2157 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2158 #endif | |
| 2159 | |
| 2160 Lagain: | |
| 2161 EnumMember *em; | |
| 2162 Expression *e; | |
| 2163 VarDeclaration *v; | |
| 2164 FuncDeclaration *f; | |
| 2165 FuncLiteralDeclaration *fld; | |
| 2166 Declaration *d; | |
| 2167 ClassDeclaration *cd; | |
| 2168 ClassDeclaration *thiscd = NULL; | |
| 2169 Import *imp; | |
| 2170 Package *pkg; | |
| 2171 Type *t; | |
| 2172 | |
| 2173 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2174 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2175 if (type) | |
| 2176 return this; | |
| 2177 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2178 checkDeprecated(sc, s); | |
| 2179 s = s->toAlias(); | |
| 2180 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2181 if (!s->isFuncDeclaration()) | |
| 2182 checkDeprecated(sc, s); | |
| 2183 | |
| 2184 if (sc->func) | |
| 2185 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2186 | |
| 2187 // BUG: This should happen after overload resolution for functions, not before | |
| 2188 if (s->needThis()) | |
| 2189 { | |
|
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Merged DMD 1.038
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diff
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|
2190 if (hasThis(sc) |
|
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diff
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|
2191 #if DMDV2 |
|
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diff
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|
2192 && !s->isFuncDeclaration() |
|
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Merged DMD 1.038
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diff
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|
2193 #endif |
|
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Merged DMD 1.038
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diff
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|
2194 ) |
| 159 | 2195 { |
| 2196 // Supply an implicit 'this', as in | |
| 2197 // this.ident | |
| 2198 | |
| 2199 DotVarExp *de; | |
| 2200 | |
| 2201 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2202 return de->semantic(sc); | |
| 2203 } | |
| 2204 } | |
| 2205 | |
| 2206 em = s->isEnumMember(); | |
| 2207 if (em) | |
| 2208 { | |
| 2209 e = em->value->copy(); | |
| 2210 e = e->semantic(sc); | |
| 2211 return e; | |
| 2212 } | |
| 2213 v = s->isVarDeclaration(); | |
| 2214 if (v) | |
| 2215 { | |
| 2216 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2217 if (!type) | |
| 2218 { type = v->type; | |
| 2219 if (!v->type) | |
| 2220 { error("forward reference of %s", v->toChars()); | |
| 2221 type = Type::terror; | |
| 2222 } | |
| 2223 } | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
2224 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray) |
| 159 | 2225 { |
| 2226 if (v->init) | |
| 2227 { | |
| 2228 if (v->inuse) | |
| 2229 { | |
| 2230 error("circular reference to '%s'", v->toChars()); | |
| 2231 type = Type::tint32; | |
| 2232 return this; | |
| 2233 } | |
| 2234 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2235 if (ei) | |
| 2236 { | |
| 2237 e = ei->exp->copy(); // make copy so we can change loc | |
| 2238 if (e->op == TOKstring || !e->type) | |
| 2239 e = e->semantic(sc); | |
| 2240 e = e->implicitCastTo(sc, type); | |
| 2241 e->loc = loc; | |
| 2242 return e; | |
| 2243 } | |
| 2244 } | |
| 2245 else | |
| 2246 { | |
| 2247 e = type->defaultInit(); | |
| 2248 e->loc = loc; | |
| 2249 return e; | |
| 2250 } | |
| 2251 } | |
| 2252 e = new VarExp(loc, v); | |
| 2253 e->type = type; | |
| 2254 e = e->semantic(sc); | |
| 2255 return e->deref(); | |
| 2256 } | |
| 2257 fld = s->isFuncLiteralDeclaration(); | |
| 2258 if (fld) | |
| 2259 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2260 e = new FuncExp(loc, fld); | |
| 2261 return e->semantic(sc); | |
| 2262 } | |
| 2263 f = s->isFuncDeclaration(); | |
| 2264 if (f) | |
| 2265 { //printf("'%s' is a function\n", f->toChars()); | |
| 1587 | 2266 if (!f->type->deco) |
| 2267 { | |
| 2268 error("forward reference to %s", toChars()); | |
| 2269 } | |
| 159 | 2270 return new VarExp(loc, f); |
| 2271 } | |
| 2272 cd = s->isClassDeclaration(); | |
| 2273 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2274 { | |
| 2275 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2276 DotTypeExp *dte; | |
| 2277 | |
| 2278 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2279 return dte->semantic(sc); | |
| 2280 } | |
| 2281 imp = s->isImport(); | |
| 2282 if (imp) | |
| 2283 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2284 if (!imp->pkg) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2285 { error("forward reference of import %s", imp->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2286 return this; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2287 } |
|
e961851fb8be
Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2288 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2289 return ie->semantic(sc); |
| 2290 } | |
| 2291 pkg = s->isPackage(); | |
| 2292 if (pkg) | |
| 2293 { | |
| 2294 ScopeExp *ie; | |
| 2295 | |
| 2296 ie = new ScopeExp(loc, pkg); | |
| 2297 return ie->semantic(sc); | |
| 2298 } | |
| 2299 Module *mod = s->isModule(); | |
| 2300 if (mod) | |
| 2301 { | |
| 2302 ScopeExp *ie; | |
| 2303 | |
| 2304 ie = new ScopeExp(loc, mod); | |
| 2305 return ie->semantic(sc); | |
| 2306 } | |
| 2307 | |
| 2308 t = s->getType(); | |
| 2309 if (t) | |
| 2310 { | |
| 2311 return new TypeExp(loc, t); | |
| 2312 } | |
| 2313 | |
| 2314 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2315 if (tup) | |
| 2316 { | |
| 2317 e = new TupleExp(loc, tup); | |
| 2318 e = e->semantic(sc); | |
| 2319 return e; | |
| 2320 } | |
| 2321 | |
| 2322 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2323 if (ti && !global.errors) | |
| 1587 | 2324 { if (!ti->semanticRun) |
| 159 | 2325 ti->semantic(sc); |
| 2326 s = ti->inst->toAlias(); | |
| 2327 if (!s->isTemplateInstance()) | |
| 2328 goto Lagain; | |
| 2329 e = new ScopeExp(loc, ti); | |
| 2330 e = e->semantic(sc); | |
| 2331 return e; | |
| 2332 } | |
| 2333 | |
| 2334 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2335 if (td) | |
| 2336 { | |
| 2337 e = new TemplateExp(loc, td); | |
| 2338 e = e->semantic(sc); | |
| 2339 return e; | |
| 2340 } | |
| 2341 | |
| 2342 Lerr: | |
| 2343 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2344 type = Type::terror; | |
| 2345 return this; | |
| 2346 } | |
| 2347 | |
| 2348 char *DsymbolExp::toChars() | |
| 2349 { | |
| 2350 return s->toChars(); | |
| 2351 } | |
| 2352 | |
| 2353 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2354 { | |
| 2355 buf->writestring(s->toChars()); | |
| 2356 } | |
| 2357 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2358 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2359 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2360 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2361 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2362 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2363 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2364 |
| 159 | 2365 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2366 { | |
| 2367 #if 0 | |
| 2368 tym = tybasic(e1->ET->Tty); | |
| 2369 if (!(tyscalar(tym) || | |
| 2370 tym == TYstruct || | |
| 2371 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2372 synerr(EM_lvalue); // lvalue expected | |
| 2373 #endif | |
| 2374 return this; | |
| 2375 } | |
| 2376 | |
| 2377 /******************************** ThisExp **************************/ | |
| 2378 | |
| 2379 ThisExp::ThisExp(Loc loc) | |
| 2380 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2381 { | |
| 2382 var = NULL; | |
| 2383 } | |
| 2384 | |
| 2385 Expression *ThisExp::semantic(Scope *sc) | |
| 2386 { FuncDeclaration *fd; | |
| 2387 FuncDeclaration *fdthis; | |
| 2388 int nested = 0; | |
| 2389 | |
| 2390 #if LOGSEMANTIC | |
| 2391 printf("ThisExp::semantic()\n"); | |
| 2392 #endif | |
| 2393 if (type) | |
| 2394 { //assert(global.errors || var); | |
| 2395 return this; | |
| 2396 } | |
| 2397 | |
| 2398 /* Special case for typeof(this) and typeof(super) since both | |
| 2399 * should work even if they are not inside a non-static member function | |
| 2400 */ | |
| 2401 if (sc->intypeof) | |
| 2402 { | |
| 2403 // Find enclosing struct or class | |
| 2404 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2405 { | |
| 2406 ClassDeclaration *cd; | |
| 2407 StructDeclaration *sd; | |
| 2408 | |
| 2409 if (!s) | |
| 2410 { | |
| 2411 error("%s is not in a struct or class scope", toChars()); | |
| 2412 goto Lerr; | |
| 2413 } | |
| 2414 cd = s->isClassDeclaration(); | |
| 2415 if (cd) | |
| 2416 { | |
| 2417 type = cd->type; | |
| 2418 return this; | |
| 2419 } | |
| 2420 sd = s->isStructDeclaration(); | |
| 2421 if (sd) | |
| 2422 { | |
| 2423 type = sd->type->pointerTo(); | |
| 2424 return this; | |
| 2425 } | |
| 2426 } | |
| 2427 } | |
| 2428 | |
| 2429 fdthis = sc->parent->isFuncDeclaration(); | |
| 2430 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2431 if (!fd) | |
| 2432 goto Lerr; | |
| 2433 | |
| 2434 assert(fd->vthis); | |
| 2435 var = fd->vthis; | |
| 2436 assert(var->parent); | |
| 2437 type = var->type; | |
| 2438 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2439 #if 0 | |
| 2440 if (fd != fdthis) // if nested | |
| 2441 { | |
| 2442 fdthis->getLevel(loc, fd); | |
| 2443 fd->vthis->nestedref = 1; | |
| 2444 fd->nestedFrameRef = 1; | |
| 2445 } | |
| 2446 #endif | |
| 336 | 2447 if (!sc->intypeof) |
| 2448 sc->callSuper |= CSXthis; | |
| 159 | 2449 return this; |
| 2450 | |
| 2451 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
|
2452 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
|
2453 type = Type::terror; |
| 159 | 2454 return this; |
| 2455 } | |
| 2456 | |
| 2457 int ThisExp::isBool(int result) | |
| 2458 { | |
| 2459 return result ? TRUE : FALSE; | |
| 2460 } | |
| 2461 | |
| 2462 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2463 { | |
| 2464 buf->writestring("this"); | |
| 2465 } | |
| 2466 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2467 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2468 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2469 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2470 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2471 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2472 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2473 |
| 159 | 2474 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2475 { | |
| 2476 return this; | |
| 2477 } | |
| 2478 | |
| 2479 /******************************** SuperExp **************************/ | |
| 2480 | |
| 2481 SuperExp::SuperExp(Loc loc) | |
| 2482 : ThisExp(loc) | |
| 2483 { | |
| 2484 op = TOKsuper; | |
| 2485 } | |
| 2486 | |
| 2487 Expression *SuperExp::semantic(Scope *sc) | |
| 2488 { FuncDeclaration *fd; | |
| 2489 FuncDeclaration *fdthis; | |
| 2490 ClassDeclaration *cd; | |
| 2491 Dsymbol *s; | |
| 2492 | |
| 2493 #if LOGSEMANTIC | |
| 2494 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2495 #endif | |
| 2496 if (type) | |
| 2497 return this; | |
| 2498 | |
| 2499 /* Special case for typeof(this) and typeof(super) since both | |
| 2500 * should work even if they are not inside a non-static member function | |
| 2501 */ | |
| 2502 if (sc->intypeof) | |
| 2503 { | |
| 2504 // Find enclosing class | |
| 2505 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2506 { | |
| 2507 ClassDeclaration *cd; | |
| 2508 | |
| 2509 if (!s) | |
| 2510 { | |
| 2511 error("%s is not in a class scope", toChars()); | |
| 2512 goto Lerr; | |
| 2513 } | |
| 2514 cd = s->isClassDeclaration(); | |
| 2515 if (cd) | |
| 2516 { | |
| 2517 cd = cd->baseClass; | |
| 2518 if (!cd) | |
| 2519 { error("class %s has no 'super'", s->toChars()); | |
| 2520 goto Lerr; | |
| 2521 } | |
| 2522 type = cd->type; | |
| 2523 return this; | |
| 2524 } | |
| 2525 } | |
| 2526 } | |
| 2527 | |
| 2528 fdthis = sc->parent->isFuncDeclaration(); | |
| 2529 fd = hasThis(sc); | |
| 2530 if (!fd) | |
| 2531 goto Lerr; | |
| 2532 assert(fd->vthis); | |
| 2533 var = fd->vthis; | |
| 2534 assert(var->parent); | |
| 2535 | |
| 2536 s = fd->toParent(); | |
| 2537 while (s && s->isTemplateInstance()) | |
| 2538 s = s->toParent(); | |
| 2539 assert(s); | |
| 2540 cd = s->isClassDeclaration(); | |
| 2541 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2542 if (!cd) | |
| 2543 goto Lerr; | |
| 2544 if (!cd->baseClass) | |
| 2545 { | |
| 2546 error("no base class for %s", cd->toChars()); | |
| 2547 type = fd->vthis->type; | |
| 2548 } | |
| 2549 else | |
| 2550 { | |
| 2551 type = cd->baseClass->type; | |
| 2552 } | |
| 2553 | |
| 2554 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2555 #if 0 | |
| 2556 if (fd != fdthis) | |
| 2557 { | |
| 2558 fdthis->getLevel(loc, fd); | |
| 2559 fd->vthis->nestedref = 1; | |
| 2560 fd->nestedFrameRef = 1; | |
| 2561 } | |
| 2562 #endif | |
| 2563 | |
| 336 | 2564 if (!sc->intypeof) |
| 2565 sc->callSuper |= CSXsuper; | |
| 159 | 2566 return this; |
| 2567 | |
| 2568 | |
| 2569 Lerr: | |
| 2570 error("'super' is only allowed in non-static class member functions"); | |
| 2571 type = Type::tint32; | |
| 2572 return this; | |
| 2573 } | |
| 2574 | |
| 2575 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2576 { | |
| 2577 buf->writestring("super"); | |
| 2578 } | |
| 2579 | |
| 2580 | |
| 2581 /******************************** NullExp **************************/ | |
| 2582 | |
| 2583 NullExp::NullExp(Loc loc) | |
| 2584 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2585 { | |
| 2586 committed = 0; | |
| 2587 } | |
| 2588 | |
| 2589 Expression *NullExp::semantic(Scope *sc) | |
| 2590 { | |
| 2591 #if LOGSEMANTIC | |
| 2592 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2593 #endif | |
| 2594 // NULL is the same as (void *)0 | |
| 2595 if (!type) | |
| 2596 type = Type::tvoid->pointerTo(); | |
| 2597 return this; | |
| 2598 } | |
| 2599 | |
| 2600 int NullExp::isBool(int result) | |
| 2601 { | |
| 2602 return result ? FALSE : TRUE; | |
| 2603 } | |
| 2604 | |
| 2605 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2606 { | |
| 2607 buf->writestring("null"); | |
| 2608 } | |
| 2609 | |
| 2610 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2611 { | |
| 2612 buf->writeByte('n'); | |
| 2613 } | |
| 2614 | |
| 2615 /******************************** StringExp **************************/ | |
| 2616 | |
| 2617 StringExp::StringExp(Loc loc, char *string) | |
| 2618 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2619 { | |
| 2620 this->string = string; | |
| 2621 this->len = strlen(string); | |
| 2622 this->sz = 1; | |
| 2623 this->committed = 0; | |
| 2624 this->postfix = 0; | |
| 2625 } | |
| 2626 | |
| 2627 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2628 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2629 { | |
| 2630 this->string = string; | |
| 2631 this->len = len; | |
| 2632 this->sz = 1; | |
| 2633 this->committed = 0; | |
| 2634 this->postfix = 0; | |
| 2635 } | |
| 2636 | |
| 2637 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2638 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2639 { | |
| 2640 this->string = string; | |
| 2641 this->len = len; | |
| 2642 this->sz = 1; | |
| 2643 this->committed = 0; | |
| 2644 this->postfix = postfix; | |
| 2645 } | |
| 2646 | |
| 2647 #if 0 | |
| 2648 Expression *StringExp::syntaxCopy() | |
| 2649 { | |
| 2650 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2651 return copy(); | |
| 2652 } | |
| 2653 #endif | |
| 2654 | |
| 2655 int StringExp::equals(Object *o) | |
| 2656 { | |
| 2657 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2658 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2659 { Expression *e = (Expression *)o; | |
| 2660 | |
| 2661 if (e->op == TOKstring) | |
| 2662 { | |
| 2663 return compare(o) == 0; | |
| 2664 } | |
| 2665 } | |
| 2666 return FALSE; | |
| 2667 } | |
| 2668 | |
| 2669 char *StringExp::toChars() | |
| 2670 { | |
| 2671 OutBuffer buf; | |
| 2672 HdrGenState hgs; | |
| 2673 char *p; | |
| 2674 | |
| 2675 memset(&hgs, 0, sizeof(hgs)); | |
| 2676 toCBuffer(&buf, &hgs); | |
| 2677 buf.writeByte(0); | |
| 2678 p = (char *)buf.data; | |
| 2679 buf.data = NULL; | |
| 2680 return p; | |
| 2681 } | |
| 2682 | |
| 2683 Expression *StringExp::semantic(Scope *sc) | |
| 2684 { | |
| 2685 #if LOGSEMANTIC | |
| 2686 printf("StringExp::semantic() %s\n", toChars()); | |
| 2687 #endif | |
| 2688 if (!type) | |
| 2689 { OutBuffer buffer; | |
| 2690 size_t newlen = 0; | |
|
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diff
changeset
|
2691 const char *p; |
| 159 | 2692 size_t u; |
| 2693 unsigned c; | |
| 2694 | |
| 2695 switch (postfix) | |
| 2696 { | |
| 2697 case 'd': | |
| 2698 for (u = 0; u < len;) | |
| 2699 { | |
| 2700 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2701 if (p) | |
| 2702 { error("%s", p); | |
| 2703 break; | |
| 2704 } | |
| 2705 else | |
| 2706 { buffer.write4(c); | |
| 2707 newlen++; | |
| 2708 } | |
| 2709 } | |
| 2710 buffer.write4(0); | |
| 2711 string = buffer.extractData(); | |
| 2712 len = newlen; | |
| 2713 sz = 4; | |
| 2714 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2715 committed = 1; | |
| 2716 break; | |
| 2717 | |
| 2718 case 'w': | |
| 2719 for (u = 0; u < len;) | |
| 2720 { | |
| 2721 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2722 if (p) | |
| 2723 { error("%s", p); | |
| 2724 break; | |
| 2725 } | |
| 2726 else | |
| 2727 { buffer.writeUTF16(c); | |
| 2728 newlen++; | |
| 2729 if (c >= 0x10000) | |
| 2730 newlen++; | |
| 2731 } | |
| 2732 } | |
| 2733 buffer.writeUTF16(0); | |
| 2734 string = buffer.extractData(); | |
| 2735 len = newlen; | |
| 2736 sz = 2; | |
| 2737 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2738 committed = 1; | |
| 2739 break; | |
| 2740 | |
| 2741 case 'c': | |
| 2742 committed = 1; | |
| 2743 default: | |
| 2744 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2745 break; | |
| 2746 } | |
| 2747 type = type->semantic(loc, sc); | |
| 2748 } | |
| 2749 return this; | |
| 2750 } | |
| 2751 | |
| 2752 /**************************************** | |
| 2753 * Convert string to char[]. | |
| 2754 */ | |
| 2755 | |
| 2756 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2757 { | |
| 2758 if (sz != 1) | |
| 2759 { // Convert to UTF-8 string | |
| 2760 committed = 0; | |
| 2761 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2762 e = e->optimize(WANTvalue); | |
| 2763 assert(e->op == TOKstring); | |
| 2764 StringExp *se = (StringExp *)e; | |
| 2765 assert(se->sz == 1); | |
| 2766 return se; | |
| 2767 } | |
| 2768 return this; | |
| 2769 } | |
| 2770 | |
| 2771 int StringExp::compare(Object *obj) | |
| 2772 { | |
| 2773 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2774 StringExp *se2 = (StringExp *)(obj); | |
| 2775 | |
| 2776 // This is a kludge so isExpression() in template.c will return 5 | |
| 2777 // for StringExp's. | |
| 2778 if (!se2) | |
| 2779 return 5; | |
| 2780 | |
| 2781 assert(se2->op == TOKstring); | |
| 2782 | |
| 2783 int len1 = len; | |
| 2784 int len2 = se2->len; | |
| 2785 | |
| 2786 if (len1 == len2) | |
| 2787 { | |
| 2788 switch (sz) | |
| 2789 { | |
| 2790 case 1: | |
| 2791 return strcmp((char *)string, (char *)se2->string); | |
| 2792 | |
| 2793 case 2: | |
| 2794 { unsigned u; | |
| 2795 d_wchar *s1 = (d_wchar *)string; | |
| 2796 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2797 | |
| 2798 for (u = 0; u < len; u++) | |
| 2799 { | |
| 2800 if (s1[u] != s2[u]) | |
| 2801 return s1[u] - s2[u]; | |
| 2802 } | |
| 2803 } | |
| 2804 | |
| 2805 case 4: | |
| 2806 { unsigned u; | |
| 2807 d_dchar *s1 = (d_dchar *)string; | |
| 2808 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2809 | |
| 2810 for (u = 0; u < len; u++) | |
| 2811 { | |
| 2812 if (s1[u] != s2[u]) | |
| 2813 return s1[u] - s2[u]; | |
| 2814 } | |
| 2815 } | |
| 2816 break; | |
| 2817 | |
| 2818 default: | |
| 2819 assert(0); | |
| 2820 } | |
| 2821 } | |
| 2822 return len1 - len2; | |
| 2823 } | |
| 2824 | |
| 2825 int StringExp::isBool(int result) | |
| 2826 { | |
| 2827 return result ? TRUE : FALSE; | |
| 2828 } | |
| 2829 | |
| 2830 unsigned StringExp::charAt(size_t i) | |
| 2831 { unsigned value; | |
| 2832 | |
| 2833 switch (sz) | |
| 2834 { | |
| 2835 case 1: | |
| 2836 value = ((unsigned char *)string)[i]; | |
| 2837 break; | |
| 2838 | |
| 2839 case 2: | |
| 2840 value = ((unsigned short *)string)[i]; | |
| 2841 break; | |
| 2842 | |
| 2843 case 4: | |
| 2844 value = ((unsigned int *)string)[i]; | |
| 2845 break; | |
| 2846 | |
| 2847 default: | |
| 2848 assert(0); | |
| 2849 break; | |
| 2850 } | |
| 2851 return value; | |
| 2852 } | |
| 2853 | |
| 2854 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2855 { | |
| 2856 buf->writeByte('"'); | |
| 2857 for (size_t i = 0; i < len; i++) | |
| 2858 { unsigned c = charAt(i); | |
| 2859 | |
| 2860 switch (c) | |
| 2861 { | |
| 2862 case '"': | |
| 2863 case '\\': | |
| 2864 if (!hgs->console) | |
| 2865 buf->writeByte('\\'); | |
| 2866 default: | |
| 2867 if (c <= 0xFF) | |
| 2868 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2869 buf->writeByte(c); | |
| 2870 else | |
| 2871 buf->printf("\\x%02x", c); | |
| 2872 } | |
| 2873 else if (c <= 0xFFFF) | |
| 2874 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2875 else | |
| 2876 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2877 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2878 break; | |
| 2879 } | |
| 2880 } | |
| 2881 buf->writeByte('"'); | |
| 2882 if (postfix) | |
| 2883 buf->writeByte(postfix); | |
| 2884 } | |
| 2885 | |
| 2886 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2887 { char m; | |
| 2888 OutBuffer tmp; | |
|
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diff
changeset
|
2889 const char *p; |
| 159 | 2890 unsigned c; |
| 2891 size_t u; | |
| 2892 unsigned char *q; | |
| 2893 unsigned qlen; | |
| 2894 | |
| 2895 /* Write string in UTF-8 format | |
| 2896 */ | |
| 2897 switch (sz) | |
| 2898 { case 1: | |
| 2899 m = 'a'; | |
| 2900 q = (unsigned char *)string; | |
| 2901 qlen = len; | |
| 2902 break; | |
| 2903 case 2: | |
| 2904 m = 'w'; | |
| 2905 for (u = 0; u < len; ) | |
| 2906 { | |
| 2907 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2908 if (p) | |
| 2909 error("%s", p); | |
| 2910 else | |
| 2911 tmp.writeUTF8(c); | |
| 2912 } | |
| 2913 q = tmp.data; | |
| 2914 qlen = tmp.offset; | |
| 2915 break; | |
| 2916 case 4: | |
| 2917 m = 'd'; | |
| 2918 for (u = 0; u < len; u++) | |
| 2919 { | |
| 2920 c = ((unsigned *)string)[u]; | |
| 2921 if (!utf_isValidDchar(c)) | |
| 2922 error("invalid UCS-32 char \\U%08x", c); | |
| 2923 else | |
| 2924 tmp.writeUTF8(c); | |
| 2925 } | |
| 2926 q = tmp.data; | |
| 2927 qlen = tmp.offset; | |
| 2928 break; | |
| 2929 default: | |
| 2930 assert(0); | |
| 2931 } | |
| 2932 buf->writeByte(m); | |
| 2933 buf->printf("%d_", qlen); | |
| 2934 for (size_t i = 0; i < qlen; i++) | |
| 2935 buf->printf("%02x", q[i]); | |
| 2936 } | |
| 2937 | |
| 2938 /************************ ArrayLiteralExp ************************************/ | |
| 2939 | |
| 2940 // [ e1, e2, e3, ... ] | |
| 2941 | |
| 2942 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2943 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2944 { | |
| 2945 this->elements = elements; | |
| 2946 } | |
| 2947 | |
| 2948 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2949 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2950 { | |
| 2951 elements = new Expressions; | |
| 2952 elements->push(e); | |
| 2953 } | |
| 2954 | |
| 2955 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2956 { | |
| 2957 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2958 } | |
| 2959 | |
| 2960 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2961 { Expression *e; | |
| 2962 Type *t0 = NULL; | |
| 2963 | |
| 2964 #if LOGSEMANTIC | |
| 2965 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2966 #endif | |
| 2967 if (type) | |
| 2968 return this; | |
| 2969 | |
| 2970 // Run semantic() on each element | |
| 2971 for (int i = 0; i < elements->dim; i++) | |
| 2972 { e = (Expression *)elements->data[i]; | |
| 2973 e = e->semantic(sc); | |
| 2974 elements->data[i] = (void *)e; | |
| 2975 } | |
| 2976 expandTuples(elements); | |
| 2977 for (int i = 0; i < elements->dim; i++) | |
| 2978 { e = (Expression *)elements->data[i]; | |
| 2979 | |
| 2980 if (!e->type) | |
| 2981 error("%s has no value", e->toChars()); | |
| 2982 e = resolveProperties(sc, e); | |
| 2983 | |
| 2984 unsigned char committed = 1; | |
| 2985 if (e->op == TOKstring) | |
| 2986 committed = ((StringExp *)e)->committed; | |
| 2987 | |
| 2988 if (!t0) | |
| 2989 { t0 = e->type; | |
| 2990 // Convert any static arrays to dynamic arrays | |
| 2991 if (t0->ty == Tsarray) | |
| 2992 { | |
|
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diff
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|
2993 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2994 e = e->implicitCastTo(sc, t0); |
| 2995 } | |
| 2996 } | |
| 2997 else | |
| 2998 e = e->implicitCastTo(sc, t0); | |
| 2999 if (!committed && e->op == TOKstring) | |
| 3000 { StringExp *se = (StringExp *)e; | |
| 3001 se->committed = 0; | |
| 3002 } | |
| 3003 elements->data[i] = (void *)e; | |
| 3004 } | |
| 3005 | |
| 3006 if (!t0) | |
| 3007 t0 = Type::tvoid; | |
| 3008 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 3009 type = type->semantic(loc, sc); | |
| 3010 return this; | |
| 3011 } | |
| 3012 | |
| 3013 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 3014 { int f = 0; | |
| 3015 | |
| 3016 for (size_t i = 0; i < elements->dim; i++) | |
| 3017 { Expression *e = (Expression *)elements->data[i]; | |
| 3018 | |
| 3019 f |= e->checkSideEffect(2); | |
| 3020 } | |
| 3021 if (flag == 0 && f == 0) | |
| 3022 Expression::checkSideEffect(0); | |
| 3023 return f; | |
| 3024 } | |
| 3025 | |
| 3026 int ArrayLiteralExp::isBool(int result) | |
| 3027 { | |
| 3028 size_t dim = elements ? elements->dim : 0; | |
| 3029 return result ? (dim != 0) : (dim == 0); | |
| 3030 } | |
| 3031 | |
|
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|
3032 #if DMDV2 |
|
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|
3033 int ArrayLiteralExp::canThrow() |
|
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diff
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|
3034 { |
|
330f999ade44
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diff
changeset
|
3035 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3036 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3037 #endif |
|
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parents:
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diff
changeset
|
3038 |
| 159 | 3039 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3040 { | |
| 3041 buf->writeByte('['); | |
| 3042 argsToCBuffer(buf, elements, hgs); | |
| 3043 buf->writeByte(']'); | |
| 3044 } | |
| 3045 | |
| 3046 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3047 { | |
| 3048 size_t dim = elements ? elements->dim : 0; | |
|
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diff
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|
3049 buf->printf("A%zu", dim); |
| 159 | 3050 for (size_t i = 0; i < dim; i++) |
| 3051 { Expression *e = (Expression *)elements->data[i]; | |
| 3052 e->toMangleBuffer(buf); | |
| 3053 } | |
| 3054 } | |
| 3055 | |
| 3056 /************************ AssocArrayLiteralExp ************************************/ | |
| 3057 | |
| 3058 // [ key0 : value0, key1 : value1, ... ] | |
| 3059 | |
| 3060 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 3061 Expressions *keys, Expressions *values) | |
| 3062 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 3063 { | |
| 3064 assert(keys->dim == values->dim); | |
| 3065 this->keys = keys; | |
| 3066 this->values = values; | |
| 3067 } | |
| 3068 | |
| 3069 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 3070 { | |
| 3071 return new AssocArrayLiteralExp(loc, | |
| 3072 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 3073 } | |
| 3074 | |
| 3075 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 3076 { Expression *e; | |
| 3077 | |
| 3078 #if LOGSEMANTIC | |
| 3079 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 3080 #endif | |
| 3081 | |
| 3082 // Run semantic() on each element | |
|
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parents:
1587
diff
changeset
|
3083 arrayExpressionSemantic(keys, sc); |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3084 arrayExpressionSemantic(values, sc); |
| 159 | 3085 expandTuples(keys); |
| 3086 expandTuples(values); | |
| 3087 if (keys->dim != values->dim) | |
| 3088 { | |
| 3089 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 3090 keys->setDim(0); | |
| 3091 values->setDim(0); | |
| 3092 } | |
|
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diff
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|
3093 |
|
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diff
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|
3094 Type *tkey = NULL; |
|
2afcaab30a6a
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parents:
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diff
changeset
|
3095 Type *tvalue = NULL; |
|
2afcaab30a6a
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parents:
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diff
changeset
|
3096 keys = arrayExpressionToCommonType(sc, keys, &tkey); |
|
2afcaab30a6a
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parents:
1587
diff
changeset
|
3097 values = arrayExpressionToCommonType(sc, values, &tvalue); |
|
2afcaab30a6a
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parents:
1587
diff
changeset
|
3098 |
| 159 | 3099 type = new TypeAArray(tvalue, tkey); |
| 3100 type = type->semantic(loc, sc); | |
| 3101 return this; | |
| 3102 } | |
| 3103 | |
| 3104 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3105 { int f = 0; | |
| 3106 | |
| 3107 for (size_t i = 0; i < keys->dim; i++) | |
| 3108 { Expression *key = (Expression *)keys->data[i]; | |
| 3109 Expression *value = (Expression *)values->data[i]; | |
| 3110 | |
| 3111 f |= key->checkSideEffect(2); | |
| 3112 f |= value->checkSideEffect(2); | |
| 3113 } | |
| 3114 if (flag == 0 && f == 0) | |
| 3115 Expression::checkSideEffect(0); | |
| 3116 return f; | |
| 3117 } | |
| 3118 | |
| 3119 int AssocArrayLiteralExp::isBool(int result) | |
| 3120 { | |
| 3121 size_t dim = keys->dim; | |
| 3122 return result ? (dim != 0) : (dim == 0); | |
| 3123 } | |
| 3124 | |
|
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|
3125 #if DMDV2 |
|
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|
3126 int AssocArrayLiteralExp::canThrow() |
|
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|
3127 { |
|
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|
3128 return 1; |
|
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diff
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|
3129 } |
|
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|
3130 #endif |
|
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|
3131 |
| 159 | 3132 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3133 { | |
| 3134 buf->writeByte('['); | |
| 3135 for (size_t i = 0; i < keys->dim; i++) | |
| 3136 { Expression *key = (Expression *)keys->data[i]; | |
| 3137 Expression *value = (Expression *)values->data[i]; | |
| 3138 | |
| 3139 if (i) | |
| 3140 buf->writeByte(','); | |
| 3141 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3142 buf->writeByte(':'); | |
| 3143 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3144 } | |
| 3145 buf->writeByte(']'); | |
| 3146 } | |
| 3147 | |
| 3148 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3149 { | |
| 3150 size_t dim = keys->dim; | |
|
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diff
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|
3151 buf->printf("A%zu", dim); |
| 159 | 3152 for (size_t i = 0; i < dim; i++) |
| 3153 { Expression *key = (Expression *)keys->data[i]; | |
| 3154 Expression *value = (Expression *)values->data[i]; | |
| 3155 | |
| 3156 key->toMangleBuffer(buf); | |
| 3157 value->toMangleBuffer(buf); | |
| 3158 } | |
| 3159 } | |
| 3160 | |
| 3161 /************************ StructLiteralExp ************************************/ | |
| 3162 | |
| 3163 // sd( e1, e2, e3, ... ) | |
| 3164 | |
| 3165 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3166 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3167 { | |
| 3168 this->sd = sd; | |
| 3169 this->elements = elements; | |
|
1146
1860414bf3b7
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1133
diff
changeset
|
3170 #if IN_DMD |
| 159 | 3171 this->sym = NULL; |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1133
diff
changeset
|
3172 #endif |
| 159 | 3173 this->soffset = 0; |
| 3174 this->fillHoles = 1; | |
| 3175 } | |
| 3176 | |
| 3177 Expression *StructLiteralExp::syntaxCopy() | |
| 3178 { | |
| 3179 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3180 } | |
| 3181 | |
| 3182 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3183 { Expression *e; | |
| 3184 | |
| 3185 #if LOGSEMANTIC | |
| 3186 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3187 #endif | |
|
510
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parents:
486
diff
changeset
|
3188 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3189 return this; |
| 159 | 3190 |
| 3191 // Run semantic() on each element | |
| 3192 for (size_t i = 0; i < elements->dim; i++) | |
| 3193 { e = (Expression *)elements->data[i]; | |
| 3194 if (!e) | |
| 3195 continue; | |
| 3196 e = e->semantic(sc); | |
| 3197 elements->data[i] = (void *)e; | |
| 3198 } | |
| 3199 expandTuples(elements); | |
| 3200 size_t offset = 0; | |
| 3201 for (size_t i = 0; i < elements->dim; i++) | |
| 3202 { e = (Expression *)elements->data[i]; | |
| 3203 if (!e) | |
| 3204 continue; | |
| 3205 | |
| 3206 if (!e->type) | |
| 3207 error("%s has no value", e->toChars()); | |
| 3208 e = resolveProperties(sc, e); | |
| 3209 if (i >= sd->fields.dim) | |
| 3210 { error("more initializers than fields of %s", sd->toChars()); | |
| 3211 break; | |
| 3212 } | |
| 3213 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3214 VarDeclaration *v = s->isVarDeclaration(); | |
| 3215 assert(v); | |
| 3216 if (v->offset < offset) | |
| 3217 error("overlapping initialization for %s", v->toChars()); | |
| 3218 offset = v->offset + v->type->size(); | |
| 3219 | |
| 3220 Type *telem = v->type; | |
| 3221 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3222 { /* Static array initialization, as in: | |
| 3223 * T[3][5] = e; | |
| 3224 */ | |
| 3225 telem = telem->toBasetype()->nextOf(); | |
| 3226 } | |
| 3227 | |
| 3228 e = e->implicitCastTo(sc, telem); | |
| 3229 | |
| 3230 elements->data[i] = (void *)e; | |
| 3231 } | |
| 3232 | |
| 3233 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3234 */ | |
| 3235 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3236 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3237 VarDeclaration *v = s->isVarDeclaration(); | |
| 3238 assert(v); | |
| 3239 | |
| 3240 if (v->offset < offset) | |
| 3241 { e = NULL; | |
| 3242 sd->hasUnions = 1; | |
| 3243 } | |
| 3244 else | |
| 3245 { | |
| 3246 if (v->init) | |
| 3247 { e = v->init->toExpression(); | |
| 3248 if (!e) | |
| 1587 | 3249 { error("cannot make expression out of initializer for %s", v->toChars()); |
| 3250 e = new ErrorExp(); | |
| 3251 } | |
| 3252 else if (v->scope) | |
| 3253 { // Do deferred semantic anaylsis | |
| 3254 Initializer *i2 = v->init->syntaxCopy(); | |
| 3255 i2 = i2->semantic(v->scope, v->type); | |
| 3256 e = i2->toExpression(); | |
| 3257 v->scope = NULL; | |
| 3258 } | |
| 159 | 3259 } |
| 3260 else | |
| 3261 { e = v->type->defaultInit(); | |
| 3262 e->loc = loc; | |
| 3263 } | |
| 3264 offset = v->offset + v->type->size(); | |
| 3265 } | |
| 3266 elements->push(e); | |
| 3267 } | |
| 3268 | |
| 3269 type = sd->type; | |
| 3270 return this; | |
| 3271 } | |
| 3272 | |
| 3273 /************************************** | |
| 3274 * Gets expression at offset of type. | |
| 3275 * Returns NULL if not found. | |
| 3276 */ | |
| 3277 | |
| 3278 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
|
3279 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3280 //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
|
3281 // /*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
|
3282 Expression *e = NULL; |
| 159 | 3283 int i = getFieldIndex(type, offset); |
| 3284 | |
| 3285 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3286 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3287 //printf("\ti = %d\n", i); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3288 assert(i < elements->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3289 e = (Expression *)elements->data[i]; |
| 159 | 3290 if (e) |
| 3291 { | |
| 1587 | 3292 //printf("e = %s, e->type = %s\n", e->toChars(), e->type->toChars()); |
| 3293 | |
| 3294 /* If type is a static array, and e is an initializer for that array, | |
| 3295 * then the field initializer should be an array literal of e. | |
| 3296 */ | |
| 3297 if (e->type != type && type->ty == Tsarray) | |
| 3298 { TypeSArray *tsa = (TypeSArray *)type; | |
| 3299 uinteger_t length = tsa->dim->toInteger(); | |
| 3300 Expressions *z = new Expressions; | |
| 3301 z->setDim(length); | |
| 3302 for (int q = 0; q < length; ++q) | |
| 3303 z->data[q] = e->copy(); | |
| 3304 e = new ArrayLiteralExp(loc, z); | |
| 3305 e->type = type; | |
| 3306 } | |
| 3307 else | |
| 3308 { | |
| 3309 e = e->copy(); | |
| 3310 e->type = type; | |
| 3311 } | |
| 159 | 3312 } |
| 3313 } | |
| 3314 return e; | |
| 3315 } | |
| 3316 | |
| 3317 /************************************ | |
| 3318 * Get index of field. | |
| 3319 * Returns -1 if not found. | |
| 3320 */ | |
| 3321 | |
| 3322 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3323 { | |
| 3324 /* Find which field offset is by looking at the field offsets | |
| 3325 */ | |
| 1587 | 3326 if (elements->dim) |
| 3327 { | |
| 3328 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3329 { | |
| 3330 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3331 VarDeclaration *v = s->isVarDeclaration(); | |
| 3332 assert(v); | |
| 3333 | |
| 3334 if (offset == v->offset && | |
| 3335 type->size() == v->type->size()) | |
| 3336 { Expression *e = (Expression *)elements->data[i]; | |
| 3337 if (e) | |
| 3338 { | |
| 3339 return i; | |
| 3340 } | |
| 3341 break; | |
| 3342 } | |
| 159 | 3343 } |
| 3344 } | |
| 3345 return -1; | |
| 3346 } | |
| 3347 | |
|
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parents:
846
diff
changeset
|
3348 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3349 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3350 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3351 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3352 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3353 #endif |
| 159 | 3354 |
| 3355 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3356 { | |
| 3357 return this; | |
| 3358 } | |
| 3359 | |
| 3360 | |
| 3361 int StructLiteralExp::checkSideEffect(int flag) | |
| 3362 { int f = 0; | |
| 3363 | |
| 3364 for (size_t i = 0; i < elements->dim; i++) | |
| 3365 { Expression *e = (Expression *)elements->data[i]; | |
| 3366 if (!e) | |
| 3367 continue; | |
| 3368 | |
| 3369 f |= e->checkSideEffect(2); | |
| 3370 } | |
| 3371 if (flag == 0 && f == 0) | |
| 3372 Expression::checkSideEffect(0); | |
| 3373 return f; | |
| 3374 } | |
| 3375 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3376 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3377 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3378 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3379 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3380 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3381 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3382 |
| 159 | 3383 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3384 { | |
| 3385 buf->writestring(sd->toChars()); | |
| 3386 buf->writeByte('('); | |
| 3387 argsToCBuffer(buf, elements, hgs); | |
| 3388 buf->writeByte(')'); | |
| 3389 } | |
| 3390 | |
| 3391 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3392 { | |
| 3393 size_t dim = elements ? elements->dim : 0; | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
3394 buf->printf("S%zu", dim); |
| 159 | 3395 for (size_t i = 0; i < dim; i++) |
| 3396 { Expression *e = (Expression *)elements->data[i]; | |
| 3397 if (e) | |
| 3398 e->toMangleBuffer(buf); | |
| 3399 else | |
| 3400 buf->writeByte('v'); // 'v' for void | |
| 3401 } | |
| 3402 } | |
| 3403 | |
| 3404 /************************ TypeDotIdExp ************************************/ | |
| 3405 | |
| 3406 /* Things like: | |
| 3407 * int.size | |
| 3408 * foo.size | |
| 3409 * (foo).size | |
| 3410 * cast(foo).size | |
| 3411 */ | |
| 3412 | |
|
1367
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Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3413 Expression *typeDotIdExp(Loc loc, Type *type, Identifier *ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3414 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3415 return new DotIdExp(loc, new TypeExp(loc, type), ident); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3416 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3417 |
| 159 | 3418 |
| 3419 /************************************************************/ | |
| 3420 | |
| 3421 // Mainly just a placeholder | |
| 3422 | |
| 3423 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3424 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3425 { | |
| 3426 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3427 this->type = type; | |
| 3428 } | |
| 3429 | |
|
876
27a379f288bf
Merged DMD 1.039
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parents:
875
diff
changeset
|
3430 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3431 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3432 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3433 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3434 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3435 |
| 159 | 3436 Expression *TypeExp::semantic(Scope *sc) |
| 3437 { | |
| 3438 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3439 type = type->semantic(loc, sc); | |
| 3440 return this; | |
| 3441 } | |
| 3442 | |
| 3443 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3444 { | |
| 3445 type->toCBuffer(buf, NULL, hgs); | |
| 3446 } | |
| 3447 | |
| 3448 /************************************************************/ | |
| 3449 | |
| 3450 // Mainly just a placeholder | |
| 3451 | |
| 3452 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3453 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3454 { | |
| 3455 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3456 //static int count; if (++count == 38) *(char*)0=0; | |
| 3457 this->sds = pkg; | |
| 3458 } | |
| 3459 | |
| 3460 Expression *ScopeExp::syntaxCopy() | |
| 3461 { | |
| 3462 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3463 return se; | |
| 3464 } | |
| 3465 | |
| 3466 Expression *ScopeExp::semantic(Scope *sc) | |
| 3467 { | |
| 3468 TemplateInstance *ti; | |
| 3469 ScopeDsymbol *sds2; | |
| 3470 | |
| 3471 #if LOGSEMANTIC | |
| 3472 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3473 #endif | |
| 3474 Lagain: | |
| 3475 ti = sds->isTemplateInstance(); | |
| 3476 if (ti && !global.errors) | |
| 3477 { Dsymbol *s; | |
| 1587 | 3478 if (!ti->semanticRun) |
| 159 | 3479 ti->semantic(sc); |
| 3480 s = ti->inst->toAlias(); | |
| 3481 sds2 = s->isScopeDsymbol(); | |
| 3482 if (!sds2) | |
| 3483 { Expression *e; | |
| 3484 | |
| 3485 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3486 if (ti->withsym) | |
| 3487 { | |
| 3488 // Same as wthis.s | |
| 3489 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3490 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3491 } | |
| 3492 else | |
| 3493 e = new DsymbolExp(loc, s); | |
| 3494 e = e->semantic(sc); | |
| 3495 //printf("-1ScopeExp::semantic()\n"); | |
| 3496 return e; | |
| 3497 } | |
| 3498 if (sds2 != sds) | |
| 3499 { | |
| 3500 sds = sds2; | |
| 3501 goto Lagain; | |
| 3502 } | |
| 3503 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3504 } | |
| 3505 else | |
| 3506 { | |
| 3507 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3508 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3509 sds->semantic(sc); | |
| 3510 } | |
| 3511 type = Type::tvoid; | |
| 3512 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3513 return this; | |
| 3514 } | |
| 3515 | |
| 3516 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3517 { | |
| 3518 if (sds->isTemplateInstance()) | |
| 3519 { | |
| 3520 sds->toCBuffer(buf, hgs); | |
| 3521 } | |
| 3522 else | |
| 3523 { | |
| 3524 buf->writestring(sds->kind()); | |
| 3525 buf->writestring(" "); | |
| 3526 buf->writestring(sds->toChars()); | |
| 3527 } | |
| 3528 } | |
| 3529 | |
| 3530 /********************** TemplateExp **************************************/ | |
| 3531 | |
| 3532 // Mainly just a placeholder | |
| 3533 | |
| 3534 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3535 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3536 { | |
| 3537 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3538 this->td = td; | |
| 3539 } | |
| 3540 | |
| 3541 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3542 { | |
| 3543 buf->writestring(td->toChars()); | |
| 3544 } | |
| 3545 | |
| 3546 void TemplateExp::rvalue() | |
| 3547 { | |
| 3548 error("template %s has no value", toChars()); | |
| 3549 } | |
| 3550 | |
| 3551 /********************** NewExp **************************************/ | |
| 3552 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3553 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3554 |
| 159 | 3555 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3556 Type *newtype, Expressions *arguments) | |
| 3557 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3558 { | |
| 3559 this->thisexp = thisexp; | |
| 3560 this->newargs = newargs; | |
| 3561 this->newtype = newtype; | |
| 3562 this->arguments = arguments; | |
| 3563 member = NULL; | |
| 3564 allocator = NULL; | |
| 3565 onstack = 0; | |
| 3566 } | |
| 3567 | |
| 3568 Expression *NewExp::syntaxCopy() | |
| 3569 { | |
| 3570 return new NewExp(loc, | |
| 3571 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3572 arraySyntaxCopy(newargs), | |
| 3573 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3574 } | |
| 3575 | |
| 3576 | |
| 3577 Expression *NewExp::semantic(Scope *sc) | |
| 3578 { int i; | |
| 3579 Type *tb; | |
| 3580 ClassDeclaration *cdthis = NULL; | |
| 3581 | |
| 3582 #if LOGSEMANTIC | |
| 3583 printf("NewExp::semantic() %s\n", toChars()); | |
| 3584 if (thisexp) | |
| 3585 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3586 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3587 #endif | |
| 3588 if (type) // if semantic() already run | |
| 3589 return this; | |
| 3590 | |
| 3591 Lagain: | |
| 3592 if (thisexp) | |
| 3593 { thisexp = thisexp->semantic(sc); | |
| 3594 cdthis = thisexp->type->isClassHandle(); | |
| 3595 if (cdthis) | |
| 3596 { | |
| 3597 sc = sc->push(cdthis); | |
| 3598 type = newtype->semantic(loc, sc); | |
| 3599 sc = sc->pop(); | |
| 3600 } | |
| 3601 else | |
| 3602 { | |
| 3603 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3604 type = newtype->semantic(loc, sc); | |
| 3605 } | |
| 3606 } | |
| 3607 else | |
| 3608 type = newtype->semantic(loc, sc); | |
| 3609 newtype = type; // in case type gets cast to something else | |
| 3610 tb = type->toBasetype(); | |
| 3611 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3612 | |
| 3613 arrayExpressionSemantic(newargs, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3614 preFunctionParameters(loc, sc, newargs); |
| 159 | 3615 arrayExpressionSemantic(arguments, sc); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3616 preFunctionParameters(loc, sc, arguments); |
| 159 | 3617 |
| 3618 if (thisexp && tb->ty != Tclass) | |
| 3619 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3620 | |
| 3621 if (tb->ty == Tclass) | |
| 3622 { TypeFunction *tf; | |
| 3623 | |
| 3624 TypeClass *tc = (TypeClass *)(tb); | |
| 3625 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3626 if (cd->isInterfaceDeclaration()) | |
| 3627 error("cannot create instance of interface %s", cd->toChars()); | |
| 3628 else if (cd->isAbstract()) | |
| 3629 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3630 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3631 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3632 if (fd && fd->isAbstract()) | |
| 3633 error("function %s is abstract", fd->toChars()); | |
| 3634 } | |
| 3635 } | |
| 3636 checkDeprecated(sc, cd); | |
| 3637 if (cd->isNested()) | |
| 3638 { /* We need a 'this' pointer for the nested class. | |
| 3639 * Ensure we have the right one. | |
| 3640 */ | |
| 3641 Dsymbol *s = cd->toParent2(); | |
| 3642 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
|
3643 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3644 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3645 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3646 if (cdn) |
| 3647 { | |
| 3648 if (!cdthis) | |
| 3649 { | |
| 3650 // Supply an implicit 'this' and try again | |
| 3651 thisexp = new ThisExp(loc); | |
| 3652 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3653 { if (!sp) | |
| 3654 { | |
| 3655 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3656 break; | |
| 3657 } | |
| 3658 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3659 if (!cdp) | |
| 3660 continue; | |
| 3661 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3662 break; | |
| 3663 // Add a '.outer' and try again | |
| 3664 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3665 } | |
| 3666 if (!global.errors) | |
| 3667 goto Lagain; | |
| 3668 } | |
| 3669 if (cdthis) | |
| 3670 { | |
| 3671 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3672 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3673 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3674 } | |
| 3675 #if 0 | |
| 3676 else | |
| 3677 { | |
| 3678 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3679 { | |
| 3680 if (!sf) | |
| 3681 { | |
| 3682 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3683 break; | |
| 3684 } | |
| 3685 printf("sf = %s\n", sf->toChars()); | |
| 3686 AggregateDeclaration *ad = sf->isThis(); | |
| 3687 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3688 break; | |
| 3689 } | |
| 3690 } | |
| 3691 #endif | |
| 3692 } | |
| 3693 else if (thisexp) | |
| 3694 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
|
3695 else if (fdn) |
| 1587 | 3696 { |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3697 // 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
|
3698 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
|
3699 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3700 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
|
3701 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3702 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
|
3703 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
|
3704 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3705 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
|
3706 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3707 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3708 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3709 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3710 } |
| 159 | 3711 } |
| 3712 else if (thisexp) | |
| 3713 error("e.new is only for allocating nested classes"); | |
| 3714 | |
| 3715 FuncDeclaration *f = cd->ctor; | |
| 3716 if (f) | |
| 3717 { | |
| 3718 assert(f); | |
| 1587 | 3719 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 3720 checkDeprecated(sc, f); |
| 3721 member = f->isCtorDeclaration(); | |
| 3722 assert(member); | |
| 3723 | |
| 3724 cd->accessCheck(loc, sc, member); | |
| 3725 | |
| 3726 tf = (TypeFunction *)f->type; | |
| 3727 type = tf->next; | |
| 3728 | |
| 3729 if (!arguments) | |
| 3730 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3731 functionParameters(loc, sc, tf, arguments); |
| 159 | 3732 } |
| 3733 else | |
| 3734 { | |
| 3735 if (arguments && arguments->dim) | |
| 3736 error("no constructor for %s", cd->toChars()); | |
| 3737 } | |
| 3738 | |
| 3739 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3740 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3741 // 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
|
3742 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3743 if (!newargs) |
| 3744 newargs = new Expressions(); | |
| 3745 newargs->shift(e); | |
| 3746 | |
| 1587 | 3747 f = cd->aggNew->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3748 allocator = f->isNewDeclaration(); |
| 3749 assert(allocator); | |
| 3750 | |
| 3751 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3752 functionParameters(loc, sc, tf, newargs); |
| 159 | 3753 } |
| 3754 else | |
| 3755 { | |
| 3756 if (newargs && newargs->dim) | |
| 3757 error("no allocator for %s", cd->toChars()); | |
| 3758 } | |
| 3759 } | |
| 3760 else if (tb->ty == Tstruct) | |
| 3761 { | |
| 3762 TypeStruct *ts = (TypeStruct *)tb; | |
| 3763 StructDeclaration *sd = ts->sym; | |
| 3764 FuncDeclaration *f = sd->aggNew; | |
| 3765 TypeFunction *tf; | |
| 3766 | |
| 3767 if (arguments && arguments->dim) | |
| 3768 error("no constructor for %s", type->toChars()); | |
| 3769 | |
| 3770 if (f) | |
| 3771 { | |
| 3772 Expression *e; | |
| 3773 | |
| 3774 // Prepend the uint size argument to newargs[] | |
| 3775 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3776 if (!newargs) | |
| 3777 newargs = new Expressions(); | |
| 3778 newargs->shift(e); | |
| 3779 | |
| 1587 | 3780 f = f->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3781 allocator = f->isNewDeclaration(); |
| 3782 assert(allocator); | |
| 3783 | |
| 3784 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3785 functionParameters(loc, sc, tf, newargs); |
| 159 | 3786 |
| 3787 e = new VarExp(loc, f); | |
| 3788 e = new CallExp(loc, e, newargs); | |
| 3789 e = e->semantic(sc); | |
| 3790 e->type = type->pointerTo(); | |
| 3791 return e; | |
| 3792 } | |
| 3793 | |
| 3794 type = type->pointerTo(); | |
| 3795 } | |
| 3796 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3797 { | |
| 3798 for (size_t i = 0; i < arguments->dim; i++) | |
| 3799 { | |
| 3800 if (tb->ty != Tarray) | |
| 3801 { error("too many arguments for array"); | |
| 3802 arguments->dim = i; | |
| 3803 break; | |
| 3804 } | |
| 3805 | |
| 3806 Expression *arg = (Expression *)arguments->data[i]; | |
| 3807 arg = resolveProperties(sc, arg); | |
| 3808 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3809 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3810 error("negative array index %s", arg->toChars()); | |
| 3811 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
|
3812 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3813 } |
| 3814 } | |
| 3815 else if (tb->isscalar()) | |
| 3816 { | |
| 3817 if (arguments && arguments->dim) | |
| 3818 error("no constructor for %s", type->toChars()); | |
| 3819 | |
| 3820 type = type->pointerTo(); | |
| 3821 } | |
| 3822 else | |
| 3823 { | |
| 3824 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3825 type = type->pointerTo(); | |
| 3826 } | |
| 3827 | |
| 3828 //printf("NewExp: '%s'\n", toChars()); | |
| 3829 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3830 | |
| 3831 return this; | |
| 3832 } | |
| 3833 | |
| 3834 int NewExp::checkSideEffect(int flag) | |
| 3835 { | |
| 3836 return 1; | |
| 3837 } | |
| 3838 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3839 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3840 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3841 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3842 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3843 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3844 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3845 |
| 159 | 3846 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3847 { int i; | |
| 3848 | |
| 3849 if (thisexp) | |
| 3850 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3851 buf->writeByte('.'); | |
| 3852 } | |
| 3853 buf->writestring("new "); | |
| 3854 if (newargs && newargs->dim) | |
| 3855 { | |
| 3856 buf->writeByte('('); | |
| 3857 argsToCBuffer(buf, newargs, hgs); | |
| 3858 buf->writeByte(')'); | |
| 3859 } | |
| 3860 newtype->toCBuffer(buf, NULL, hgs); | |
| 3861 if (arguments && arguments->dim) | |
| 3862 { | |
| 3863 buf->writeByte('('); | |
| 3864 argsToCBuffer(buf, arguments, hgs); | |
| 3865 buf->writeByte(')'); | |
| 3866 } | |
| 3867 } | |
| 3868 | |
| 3869 /********************** NewAnonClassExp **************************************/ | |
| 3870 | |
| 3871 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3872 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3873 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3874 { | |
| 3875 this->thisexp = thisexp; | |
| 3876 this->newargs = newargs; | |
| 3877 this->cd = cd; | |
| 3878 this->arguments = arguments; | |
| 3879 } | |
| 3880 | |
| 3881 Expression *NewAnonClassExp::syntaxCopy() | |
| 3882 { | |
| 3883 return new NewAnonClassExp(loc, | |
| 3884 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3885 arraySyntaxCopy(newargs), | |
| 3886 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3887 arraySyntaxCopy(arguments)); | |
| 3888 } | |
| 3889 | |
| 3890 | |
| 3891 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3892 { | |
| 3893 #if LOGSEMANTIC | |
| 3894 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3895 //printf("thisexp = %p\n", thisexp); |
| 159 | 3896 //printf("type: %s\n", type->toChars()); |
| 3897 #endif | |
| 3898 | |
| 3899 Expression *d = new DeclarationExp(loc, cd); | |
| 3900 d = d->semantic(sc); | |
| 3901 | |
| 3902 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3903 | |
| 3904 Expression *c = new CommaExp(loc, d, n); | |
| 3905 return c->semantic(sc); | |
| 3906 } | |
| 3907 | |
| 3908 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3909 { | |
| 3910 return 1; | |
| 3911 } | |
| 3912 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3913 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3914 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3915 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3916 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3917 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3918 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3919 |
| 159 | 3920 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3921 { int i; | |
| 3922 | |
| 3923 if (thisexp) | |
| 3924 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3925 buf->writeByte('.'); | |
| 3926 } | |
| 3927 buf->writestring("new"); | |
| 3928 if (newargs && newargs->dim) | |
| 3929 { | |
| 3930 buf->writeByte('('); | |
| 3931 argsToCBuffer(buf, newargs, hgs); | |
| 3932 buf->writeByte(')'); | |
| 3933 } | |
| 3934 buf->writestring(" class "); | |
| 3935 if (arguments && arguments->dim) | |
| 3936 { | |
| 3937 buf->writeByte('('); | |
| 3938 argsToCBuffer(buf, arguments, hgs); | |
| 3939 buf->writeByte(')'); | |
| 3940 } | |
| 3941 //buf->writestring(" { }"); | |
| 3942 if (cd) | |
| 3943 { | |
| 3944 cd->toCBuffer(buf, hgs); | |
| 3945 } | |
| 3946 } | |
| 3947 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3948 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3949 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3950 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3951 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
|
3952 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3953 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3954 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3955 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3956 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3957 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3958 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3959 |
| 159 | 3960 /********************** SymOffExp **************************************/ |
| 3961 | |
| 3962 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3963 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3964 { | |
| 3965 assert(var); | |
| 3966 this->var = var; | |
| 3967 this->offset = offset; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3968 m = NULL; |
| 159 | 3969 VarDeclaration *v = var->isVarDeclaration(); |
| 3970 if (v && v->needThis()) | |
| 3971 error("need 'this' for address of %s", v->toChars()); | |
| 3972 } | |
| 3973 | |
| 3974 Expression *SymOffExp::semantic(Scope *sc) | |
| 3975 { | |
| 3976 #if LOGSEMANTIC | |
| 3977 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3978 #endif | |
| 3979 //var->semantic(sc); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3980 m = sc->module; |
| 159 | 3981 if (!type) |
| 3982 type = var->type->pointerTo(); | |
| 3983 VarDeclaration *v = var->isVarDeclaration(); | |
| 3984 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3985 v->checkNestedReference(sc, loc); |
| 159 | 3986 return this; |
| 3987 } | |
| 3988 | |
| 3989 int SymOffExp::isBool(int result) | |
| 3990 { | |
| 3991 return result ? TRUE : FALSE; | |
| 3992 } | |
| 3993 | |
| 3994 void SymOffExp::checkEscape() | |
| 3995 { | |
| 3996 VarDeclaration *v = var->isVarDeclaration(); | |
| 3997 if (v) | |
| 3998 { | |
| 3999 if (!v->isDataseg()) | |
| 4000 error("escaping reference to local variable %s", v->toChars()); | |
| 4001 } | |
| 4002 } | |
| 4003 | |
| 4004 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4005 { | |
| 4006 if (offset) | |
| 4007 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 4008 else | |
| 4009 buf->printf("& %s", var->toChars()); | |
| 4010 } | |
| 4011 | |
| 4012 /******************************** VarExp **************************/ | |
| 4013 | |
| 4014 VarExp::VarExp(Loc loc, Declaration *var) | |
| 4015 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 4016 { | |
| 4017 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 4018 this->var = var; | |
| 4019 this->type = var->type; | |
| 4020 } | |
| 4021 | |
| 4022 int VarExp::equals(Object *o) | |
| 4023 { VarExp *ne; | |
| 4024 | |
| 4025 if (this == o || | |
| 4026 (((Expression *)o)->op == TOKvar && | |
| 4027 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 4028 var == ne->var)) | |
| 4029 return 1; | |
| 4030 return 0; | |
| 4031 } | |
| 4032 | |
| 4033 Expression *VarExp::semantic(Scope *sc) | |
| 4034 { FuncLiteralDeclaration *fd; | |
| 4035 | |
| 4036 #if LOGSEMANTIC | |
| 4037 printf("VarExp::semantic(%s)\n", toChars()); | |
| 4038 #endif | |
| 4039 if (!type) | |
| 4040 { type = var->type; | |
| 4041 #if 0 | |
| 4042 if (var->storage_class & STClazy) | |
| 4043 { | |
| 4044 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 4045 type = new TypeDelegate(tf); | |
| 4046 type = type->semantic(loc, sc); | |
| 4047 } | |
| 4048 #endif | |
| 4049 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4050 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4051 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4052 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4053 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4054 //accessCheck(loc, sc, NULL, var); |
| 159 | 4055 |
| 4056 VarDeclaration *v = var->isVarDeclaration(); | |
| 4057 if (v) | |
| 4058 { | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
4059 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray && v->init) |
| 159 | 4060 { |
| 4061 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 4062 if (ei) | |
| 4063 { | |
| 4064 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 4065 return ei->exp->implicitCastTo(sc, type); | |
| 4066 } | |
| 4067 } | |
| 4068 v->checkNestedReference(sc, loc); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4069 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4070 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4071 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4072 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4073 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4074 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4075 #endif |
| 159 | 4076 } |
| 4077 #if 0 | |
| 4078 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 4079 { Expression *e; | |
| 4080 e = new FuncExp(loc, fd); | |
| 4081 e->type = type; | |
| 4082 return e; | |
| 4083 } | |
| 4084 #endif | |
| 4085 return this; | |
| 4086 } | |
| 4087 | |
| 4088 char *VarExp::toChars() | |
| 4089 { | |
| 4090 return var->toChars(); | |
| 4091 } | |
| 4092 | |
| 4093 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4094 { | |
| 4095 buf->writestring(var->toChars()); | |
| 4096 } | |
| 4097 | |
| 4098 void VarExp::checkEscape() | |
| 4099 { | |
| 4100 VarDeclaration *v = var->isVarDeclaration(); | |
| 4101 if (v) | |
| 4102 { Type *tb = v->type->toBasetype(); | |
| 4103 // if reference type | |
| 4104 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4105 { | |
|
1530
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4106 if (v->isScope() && !v->noscope) |
|
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4107 error("escaping reference to scope local %s", v->toChars()); |
| 159 | 4108 else if (v->storage_class & STCvariadic) |
| 4109 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4110 } | |
| 4111 } | |
| 4112 } | |
| 4113 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4114 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4115 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4116 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4117 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4118 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4119 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4120 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4121 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4122 |
| 159 | 4123 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4124 { | |
| 4125 #if 0 | |
| 4126 tym = tybasic(e1->ET->Tty); | |
| 4127 if (!(tyscalar(tym) || | |
| 4128 tym == TYstruct || | |
| 4129 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4130 synerr(EM_lvalue); // lvalue expected | |
| 4131 #endif | |
| 4132 if (var->storage_class & STClazy) | |
| 4133 error("lazy variables cannot be lvalues"); | |
| 4134 return this; | |
| 4135 } | |
| 4136 | |
| 4137 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4138 { | |
| 4139 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4140 if (sc->incontract && var->isParameter()) | |
| 4141 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4142 | |
| 4143 if (type && type->toBasetype()->ty == Tsarray) | |
| 4144 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4145 | |
| 4146 VarDeclaration *v = var->isVarDeclaration(); | |
| 4147 if (v && v->canassign == 0 && | |
| 4148 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4149 error("cannot modify final variable '%s'", var->toChars()); | |
| 4150 | |
| 4151 if (var->isCtorinit()) | |
| 4152 { // It's only modifiable if inside the right constructor | |
| 4153 Dsymbol *s = sc->func; | |
| 4154 while (1) | |
| 4155 { | |
| 4156 FuncDeclaration *fd = NULL; | |
| 4157 if (s) | |
| 4158 fd = s->isFuncDeclaration(); | |
| 4159 if (fd && | |
| 4160 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4161 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4162 fd->toParent() == var->toParent() | |
| 4163 ) | |
| 4164 { | |
| 4165 VarDeclaration *v = var->isVarDeclaration(); | |
| 4166 assert(v); | |
| 4167 v->ctorinit = 1; | |
| 4168 //printf("setting ctorinit\n"); | |
| 4169 } | |
| 4170 else | |
| 4171 { | |
| 4172 if (s) | |
| 4173 { s = s->toParent2(); | |
| 4174 continue; | |
| 4175 } | |
| 4176 else | |
| 4177 { | |
| 4178 const char *p = var->isStatic() ? "static " : ""; | |
| 4179 error("can only initialize %sconst %s inside %sconstructor", | |
| 4180 p, var->toChars(), p); | |
| 4181 } | |
| 4182 } | |
| 4183 break; | |
| 4184 } | |
| 4185 } | |
| 4186 | |
| 4187 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4188 return toLvalue(sc, e); | |
| 4189 } | |
| 4190 | |
| 4191 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4192 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4193 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4194 #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
|
4195 OverExp::OverExp(OverloadSet *s) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4196 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4197 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4198 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4199 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4200 type = Type::tvoid; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4201 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4202 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4203 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4204 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4205 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
|
4206 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4207 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4208 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4209 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4210 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
|
4211 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4212 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4213 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4214 |
| 159 | 4215 /******************************** TupleExp **************************/ |
| 4216 | |
| 4217 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4218 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4219 { | |
| 4220 //printf("TupleExp(this = %p)\n", this); | |
| 4221 this->exps = exps; | |
| 4222 this->type = NULL; | |
| 4223 } | |
| 4224 | |
| 4225 | |
| 4226 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4227 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4228 { | |
| 4229 exps = new Expressions(); | |
| 4230 type = NULL; | |
| 4231 | |
| 4232 exps->reserve(tup->objects->dim); | |
| 4233 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4234 { Object *o = (Object *)tup->objects->data[i]; | |
| 4235 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4236 { | |
| 4237 Expression *e = (Expression *)o; | |
| 4238 e = e->syntaxCopy(); | |
| 4239 exps->push(e); | |
| 4240 } | |
| 4241 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4242 { | |
| 4243 Dsymbol *s = (Dsymbol *)o; | |
| 4244 Expression *e = new DsymbolExp(loc, s); | |
| 4245 exps->push(e); | |
| 4246 } | |
| 4247 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4248 { | |
| 4249 Type *t = (Type *)o; | |
| 4250 Expression *e = new TypeExp(loc, t); | |
| 4251 exps->push(e); | |
| 4252 } | |
| 4253 else | |
| 4254 { | |
| 4255 error("%s is not an expression", o->toChars()); | |
| 4256 } | |
| 4257 } | |
| 4258 } | |
| 4259 | |
| 4260 int TupleExp::equals(Object *o) | |
| 4261 { TupleExp *ne; | |
| 4262 | |
| 4263 if (this == o) | |
| 4264 return 1; | |
| 4265 if (((Expression *)o)->op == TOKtuple) | |
| 4266 { | |
| 4267 TupleExp *te = (TupleExp *)o; | |
| 4268 if (exps->dim != te->exps->dim) | |
| 4269 return 0; | |
| 4270 for (size_t i = 0; i < exps->dim; i++) | |
| 4271 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4272 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4273 | |
| 4274 if (!e1->equals(e2)) | |
| 4275 return 0; | |
| 4276 } | |
| 4277 return 1; | |
| 4278 } | |
| 4279 return 0; | |
| 4280 } | |
| 4281 | |
| 4282 Expression *TupleExp::syntaxCopy() | |
| 4283 { | |
| 4284 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4285 } | |
| 4286 | |
| 4287 Expression *TupleExp::semantic(Scope *sc) | |
| 4288 { | |
| 4289 #if LOGSEMANTIC | |
| 4290 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4291 #endif | |
| 4292 if (type) | |
| 4293 return this; | |
| 4294 | |
| 4295 // Run semantic() on each argument | |
| 4296 for (size_t i = 0; i < exps->dim; i++) | |
| 4297 { Expression *e = (Expression *)exps->data[i]; | |
| 4298 | |
| 4299 e = e->semantic(sc); | |
| 4300 if (!e->type) | |
| 4301 { error("%s has no value", e->toChars()); | |
| 4302 e->type = Type::terror; | |
| 4303 } | |
| 4304 exps->data[i] = (void *)e; | |
| 4305 } | |
| 4306 | |
| 4307 expandTuples(exps); | |
| 4308 if (0 && exps->dim == 1) | |
| 4309 { | |
| 4310 return (Expression *)exps->data[0]; | |
| 4311 } | |
| 4312 type = new TypeTuple(exps); | |
| 1587 | 4313 type = type->semantic(loc, sc); |
| 159 | 4314 //printf("-TupleExp::semantic(%s)\n", toChars()); |
| 4315 return this; | |
| 4316 } | |
| 4317 | |
| 4318 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4319 { | |
| 4320 buf->writestring("tuple("); | |
| 4321 argsToCBuffer(buf, exps, hgs); | |
| 4322 buf->writeByte(')'); | |
| 4323 } | |
| 4324 | |
| 4325 int TupleExp::checkSideEffect(int flag) | |
| 4326 { int f = 0; | |
| 4327 | |
| 4328 for (int i = 0; i < exps->dim; i++) | |
| 4329 { Expression *e = (Expression *)exps->data[i]; | |
| 4330 | |
| 4331 f |= e->checkSideEffect(2); | |
| 4332 } | |
| 4333 if (flag == 0 && f == 0) | |
| 4334 Expression::checkSideEffect(0); | |
| 4335 return f; | |
| 4336 } | |
| 4337 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4338 #if DMDV2 |
|
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Merged DMD 1.038
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|
4339 int TupleExp::canThrow() |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4340 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4341 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4342 } |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4343 #endif |
|
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Merged DMD 1.038
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|
4344 |
| 159 | 4345 void TupleExp::checkEscape() |
| 4346 { | |
| 4347 for (size_t i = 0; i < exps->dim; i++) | |
| 4348 { Expression *e = (Expression *)exps->data[i]; | |
| 4349 e->checkEscape(); | |
| 4350 } | |
| 4351 } | |
| 4352 | |
| 4353 /******************************** FuncExp *********************************/ | |
| 4354 | |
| 4355 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4356 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4357 { | |
| 4358 this->fd = fd; | |
| 4359 } | |
| 4360 | |
| 4361 Expression *FuncExp::syntaxCopy() | |
| 4362 { | |
| 4363 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4364 } | |
| 4365 | |
| 4366 Expression *FuncExp::semantic(Scope *sc) | |
| 4367 { | |
| 4368 #if LOGSEMANTIC | |
| 4369 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4370 #endif | |
| 4371 if (!type) | |
| 4372 { | |
| 4373 fd->semantic(sc); | |
| 4374 fd->parent = sc->parent; | |
| 4375 if (global.errors) | |
| 4376 { | |
| 4377 } | |
| 4378 else | |
| 4379 { | |
| 4380 fd->semantic2(sc); | |
| 1587 | 4381 if (!global.errors || |
| 4382 // need to infer return type | |
| 4383 (fd->type && fd->type->ty == Tfunction && !fd->type->nextOf())) | |
| 159 | 4384 { |
| 4385 fd->semantic3(sc); | |
| 4386 | |
| 4387 if (!global.errors && global.params.useInline) | |
| 4388 fd->inlineScan(); | |
| 4389 } | |
| 4390 } | |
| 4391 | |
| 1587 | 4392 // need to infer return type |
| 4393 if (global.errors && fd->type && fd->type->ty == Tfunction && !fd->type->nextOf()) | |
| 4394 ((TypeFunction *)fd->type)->next = Type::terror; | |
| 4395 | |
| 159 | 4396 // Type is a "delegate to" or "pointer to" the function literal |
| 4397 if (fd->isNested()) | |
| 4398 { | |
| 4399 type = new TypeDelegate(fd->type); | |
| 4400 type = type->semantic(loc, sc); | |
| 4401 } | |
| 4402 else | |
| 4403 { | |
| 4404 type = fd->type->pointerTo(); | |
| 4405 } | |
| 4406 } | |
| 4407 return this; | |
| 4408 } | |
| 4409 | |
| 4410 char *FuncExp::toChars() | |
| 4411 { | |
| 4412 return fd->toChars(); | |
| 4413 } | |
| 4414 | |
| 4415 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4416 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4417 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4418 //buf->writestring(fd->toChars()); |
| 159 | 4419 } |
| 4420 | |
| 4421 | |
| 4422 /******************************** DeclarationExp **************************/ | |
| 4423 | |
| 4424 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4425 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4426 { | |
| 4427 this->declaration = declaration; | |
| 4428 } | |
| 4429 | |
| 4430 Expression *DeclarationExp::syntaxCopy() | |
| 4431 { | |
| 4432 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4433 } | |
| 4434 | |
| 4435 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4436 { | |
| 4437 if (type) | |
| 4438 return this; | |
| 4439 | |
| 4440 #if LOGSEMANTIC | |
| 4441 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4442 #endif | |
| 4443 | |
| 4444 /* This is here to support extern(linkage) declaration, | |
| 4445 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4446 * wrapper. | |
| 4447 */ | |
| 4448 Dsymbol *s = declaration; | |
| 4449 | |
| 4450 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4451 if (ad) | |
| 4452 { | |
| 4453 if (ad->decl && ad->decl->dim == 1) | |
| 4454 s = (Dsymbol *)ad->decl->data[0]; | |
| 4455 } | |
| 4456 | |
| 4457 if (s->isVarDeclaration()) | |
| 4458 { // Do semantic() on initializer first, so: | |
| 4459 // int a = a; | |
| 4460 // will be illegal. | |
| 4461 declaration->semantic(sc); | |
| 4462 s->parent = sc->parent; | |
| 4463 } | |
| 4464 | |
| 4465 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4466 // Insert into both local scope and function scope. | |
| 4467 // Must be unique in both. | |
| 4468 if (s->ident) | |
| 4469 { | |
| 4470 if (!sc->insert(s)) | |
| 4471 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4472 else if (sc->func) | |
| 4473 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4474 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4475 !sc->func->localsymtab->insert(s)) | |
| 4476 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4477 else if (!global.params.useDeprecated) | |
| 4478 { // Disallow shadowing | |
| 4479 | |
| 4480 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4481 { Dsymbol *s2; | |
| 4482 | |
| 4483 if (scx->scopesym && scx->scopesym->symtab && | |
| 4484 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4485 s != s2) | |
| 4486 { | |
| 4487 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4488 } | |
| 4489 } | |
| 4490 } | |
| 4491 } | |
| 4492 } | |
| 4493 if (!s->isVarDeclaration()) | |
| 4494 { | |
| 1587 | 4495 Scope *sc2 = sc; |
| 4496 if (sc2->stc & (STCpure | STCnothrow)) | |
| 4497 sc2 = sc->push(); | |
| 4498 sc2->stc &= ~(STCpure | STCnothrow); | |
| 4499 declaration->semantic(sc2); | |
| 4500 if (sc2 != sc) | |
| 4501 sc2->pop(); | |
| 159 | 4502 s->parent = sc->parent; |
| 4503 } | |
| 4504 if (!global.errors) | |
| 4505 { | |
| 4506 declaration->semantic2(sc); | |
| 4507 if (!global.errors) | |
| 4508 { | |
| 4509 declaration->semantic3(sc); | |
| 4510 | |
| 4511 if (!global.errors && global.params.useInline) | |
| 4512 declaration->inlineScan(); | |
| 4513 } | |
| 4514 } | |
| 4515 | |
| 4516 type = Type::tvoid; | |
| 4517 return this; | |
| 4518 } | |
| 4519 | |
| 4520 int DeclarationExp::checkSideEffect(int flag) | |
| 4521 { | |
| 4522 return 1; | |
| 4523 } | |
| 4524 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4525 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4526 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4527 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4528 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4529 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4530 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4531 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4532 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4533 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4534 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4535 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4536 |
| 159 | 4537 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4538 { | |
| 4539 declaration->toCBuffer(buf, hgs); | |
| 4540 } | |
| 4541 | |
| 4542 | |
| 4543 /************************ TypeidExp ************************************/ | |
| 4544 | |
| 4545 /* | |
| 4546 * typeid(int) | |
| 4547 */ | |
| 4548 | |
| 4549 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4550 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4551 { | |
| 4552 this->typeidType = typeidType; | |
| 4553 } | |
| 4554 | |
| 4555 | |
| 4556 Expression *TypeidExp::syntaxCopy() | |
| 4557 { | |
| 4558 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4559 } | |
| 4560 | |
| 4561 | |
| 4562 Expression *TypeidExp::semantic(Scope *sc) | |
| 4563 { Expression *e; | |
| 4564 | |
| 4565 #if LOGSEMANTIC | |
| 4566 printf("TypeidExp::semantic()\n"); | |
| 4567 #endif | |
| 4568 typeidType = typeidType->semantic(loc, sc); | |
| 4569 e = typeidType->getTypeInfo(sc); | |
| 336 | 4570 if (e->loc.linnum == 0) |
| 4571 e->loc = loc; // so there's at least some line number info | |
| 159 | 4572 return e; |
| 4573 } | |
| 4574 | |
| 4575 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4576 { | |
| 4577 buf->writestring("typeid("); | |
| 4578 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4579 buf->writeByte(')'); | |
| 4580 } | |
| 4581 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4582 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4583 #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
|
4584 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4585 * __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
|
4586 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4587 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4588 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
|
4589 : 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
|
4590 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4591 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
|
4592 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
|
4593 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4594 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4595 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4596 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
|
4597 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4598 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
|
4599 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4600 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4601 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4602 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
|
4603 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4604 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
|
4605 buf->writestring(ident->toChars()); |
|
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
|
4606 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
|
4607 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4608 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
|
4609 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4610 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
|
4611 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
|
4612 ObjectToCBuffer(buf, hgs, oarg); |
|
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
|
4613 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4614 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4615 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
|
4616 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4617 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4618 |
| 159 | 4619 /************************************************************/ |
| 4620 | |
| 4621 HaltExp::HaltExp(Loc loc) | |
| 4622 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4623 { | |
| 4624 } | |
| 4625 | |
| 4626 Expression *HaltExp::semantic(Scope *sc) | |
| 4627 { | |
| 4628 #if LOGSEMANTIC | |
| 4629 printf("HaltExp::semantic()\n"); | |
| 4630 #endif | |
| 4631 type = Type::tvoid; | |
| 4632 return this; | |
| 4633 } | |
| 4634 | |
| 4635 int HaltExp::checkSideEffect(int flag) | |
| 4636 { | |
| 4637 return 1; | |
| 4638 } | |
| 4639 | |
| 4640 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4641 { | |
| 4642 buf->writestring("halt"); | |
| 4643 } | |
| 4644 | |
| 4645 /************************************************************/ | |
| 4646 | |
| 4647 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4648 Type *tspec, enum TOK tok2) | |
| 4649 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4650 { | |
| 4651 this->targ = targ; | |
| 4652 this->id = id; | |
| 4653 this->tok = tok; | |
| 4654 this->tspec = tspec; | |
| 4655 this->tok2 = tok2; | |
| 4656 } | |
| 4657 | |
| 4658 Expression *IsExp::syntaxCopy() | |
| 4659 { | |
| 4660 return new IsExp(loc, | |
| 4661 targ->syntaxCopy(), | |
| 4662 id, | |
| 4663 tok, | |
| 4664 tspec ? tspec->syntaxCopy() : NULL, | |
| 4665 tok2); | |
| 4666 } | |
| 4667 | |
| 4668 Expression *IsExp::semantic(Scope *sc) | |
| 4669 { Type *tded; | |
| 4670 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4671 /* 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
|
4672 * 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
|
4673 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4674 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4675 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4676 if (id && !(sc->flags & SCOPEstaticif)) |
| 4677 error("can only declare type aliases within static if conditionals"); | |
| 4678 | |
| 4679 unsigned errors_save = global.errors; | |
| 4680 global.errors = 0; | |
| 4681 global.gag++; // suppress printing of error messages | |
| 4682 targ = targ->semantic(loc, sc); | |
| 4683 global.gag--; | |
| 4684 unsigned gerrors = global.errors; | |
| 4685 global.errors = errors_save; | |
| 4686 | |
| 4687 if (gerrors) // if any errors happened | |
| 4688 { // then condition is false | |
| 4689 goto Lno; | |
| 4690 } | |
| 4691 else if (tok2 != TOKreserved) | |
| 4692 { | |
| 4693 switch (tok2) | |
| 4694 { | |
| 4695 case TOKtypedef: | |
| 4696 if (targ->ty != Ttypedef) | |
| 4697 goto Lno; | |
| 4698 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4699 break; | |
| 4700 | |
| 4701 case TOKstruct: | |
| 4702 if (targ->ty != Tstruct) | |
| 4703 goto Lno; | |
| 4704 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4705 goto Lno; | |
| 4706 tded = targ; | |
| 4707 break; | |
| 4708 | |
| 4709 case TOKunion: | |
| 4710 if (targ->ty != Tstruct) | |
| 4711 goto Lno; | |
| 4712 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4713 goto Lno; | |
| 4714 tded = targ; | |
| 4715 break; | |
| 4716 | |
| 4717 case TOKclass: | |
| 4718 if (targ->ty != Tclass) | |
| 4719 goto Lno; | |
| 4720 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4721 goto Lno; | |
| 4722 tded = targ; | |
| 4723 break; | |
| 4724 | |
| 4725 case TOKinterface: | |
| 4726 if (targ->ty != Tclass) | |
| 4727 goto Lno; | |
| 4728 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4729 goto Lno; | |
| 4730 tded = targ; | |
| 4731 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
|
4732 #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
|
4733 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
|
4734 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
|
4735 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
|
4736 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
|
4737 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4738 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4739 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4740 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
|
4741 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
|
4742 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
|
4743 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
|
4744 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4745 #endif |
| 159 | 4746 |
| 4747 case TOKsuper: | |
| 4748 // If class or interface, get the base class and interfaces | |
| 4749 if (targ->ty != Tclass) | |
| 4750 goto Lno; | |
| 4751 else | |
| 4752 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4753 Parameters *args = new Parameters; |
| 159 | 4754 args->reserve(cd->baseclasses.dim); |
| 4755 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4756 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4757 args->push(new Parameter(STCin, b->type, NULL, NULL)); |
| 159 | 4758 } |
| 4759 tded = new TypeTuple(args); | |
| 4760 } | |
| 4761 break; | |
| 4762 | |
| 4763 case TOKenum: | |
| 4764 if (targ->ty != Tenum) | |
| 4765 goto Lno; | |
| 4766 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4767 break; | |
| 4768 | |
| 4769 case TOKdelegate: | |
| 4770 if (targ->ty != Tdelegate) | |
| 4771 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
|
4772 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4773 break; |
| 4774 | |
| 4775 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
|
4776 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4777 if (targ->ty != Tfunction) |
| 159 | 4778 goto Lno; |
| 4779 tded = targ; | |
| 4780 | |
| 4781 /* Generate tuple from function parameter types. | |
| 4782 */ | |
| 4783 assert(tded->ty == Tfunction); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4784 Parameters *params = ((TypeFunction *)tded)->parameters; |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4785 size_t dim = Parameter::dim(params); |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4786 Parameters *args = new Parameters; |
| 159 | 4787 args->reserve(dim); |
| 4788 for (size_t i = 0; i < dim; i++) | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4789 { Parameter *arg = Parameter::getNth(params, i); |
| 159 | 4790 assert(arg && arg->type); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4791 args->push(new Parameter(arg->storageClass, arg->type, NULL, NULL)); |
| 159 | 4792 } |
| 4793 tded = new TypeTuple(args); | |
| 4794 break; | |
| 4795 } | |
| 4796 case TOKreturn: | |
| 4797 /* Get the 'return type' for the function, | |
| 4798 * delegate, or pointer to function. | |
| 4799 */ | |
| 4800 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
|
4801 tded = ((TypeFunction *)targ)->next; |
| 159 | 4802 else if (targ->ty == Tdelegate) |
| 4803 tded = targ->next->next; | |
| 4804 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4805 tded = targ->next->next; | |
| 4806 else | |
| 4807 goto Lno; | |
| 4808 break; | |
| 4809 | |
| 4810 default: | |
| 4811 assert(0); | |
| 4812 } | |
| 4813 goto Lyes; | |
| 4814 } | |
| 4815 else if (id && tspec) | |
| 4816 { | |
| 4817 /* Evaluate to TRUE if targ matches tspec. | |
| 4818 * If TRUE, declare id as an alias for the specialized type. | |
| 4819 */ | |
| 4820 | |
| 4821 MATCH m; | |
| 4822 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4823 | |
| 4824 TemplateParameters parameters; | |
| 4825 parameters.setDim(1); | |
| 4826 parameters.data[0] = (void *)&tp; | |
| 4827 | |
| 4828 Objects dedtypes; | |
| 4829 dedtypes.setDim(1); | |
| 4830 dedtypes.data[0] = NULL; | |
| 4831 | |
| 4832 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4833 if (m == MATCHnomatch || | |
| 4834 (m != MATCHexact && tok == TOKequal)) | |
| 4835 goto Lno; | |
| 4836 else | |
| 4837 { | |
| 4838 assert(dedtypes.dim == 1); | |
| 4839 tded = (Type *)dedtypes.data[0]; | |
| 4840 if (!tded) | |
| 4841 tded = targ; | |
| 4842 goto Lyes; | |
| 4843 } | |
| 4844 } | |
| 4845 else if (id) | |
| 4846 { | |
| 4847 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4848 */ | |
| 4849 tded = targ; | |
| 4850 goto Lyes; | |
| 4851 } | |
| 4852 else if (tspec) | |
| 4853 { | |
| 4854 /* Evaluate to TRUE if targ matches tspec | |
| 4855 */ | |
| 4856 tspec = tspec->semantic(loc, sc); | |
| 4857 //printf("targ = %s\n", targ->toChars()); | |
| 4858 //printf("tspec = %s\n", tspec->toChars()); | |
| 4859 if (tok == TOKcolon) | |
| 4860 { if (targ->implicitConvTo(tspec)) | |
| 4861 goto Lyes; | |
| 4862 else | |
| 4863 goto Lno; | |
| 4864 } | |
| 4865 else /* == */ | |
| 4866 { if (targ->equals(tspec)) | |
| 4867 goto Lyes; | |
| 4868 else | |
| 4869 goto Lno; | |
| 4870 } | |
| 4871 } | |
| 4872 | |
| 4873 Lyes: | |
| 4874 if (id) | |
| 4875 { | |
| 4876 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4877 s->semantic(sc); | |
| 4878 sc->insert(s); | |
| 4879 if (sc->sd) | |
| 4880 s->addMember(sc, sc->sd, 1); | |
| 4881 } | |
| 4882 return new IntegerExp(1); | |
| 4883 | |
| 4884 Lno: | |
| 4885 return new IntegerExp(0); | |
| 4886 } | |
| 4887 | |
| 4888 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4889 { | |
| 4890 buf->writestring("is("); | |
| 4891 targ->toCBuffer(buf, id, hgs); | |
| 4892 if (tok2 != TOKreserved) | |
| 4893 { | |
| 4894 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4895 } | |
| 4896 else if (tspec) | |
| 4897 { | |
| 4898 if (tok == TOKcolon) | |
| 4899 buf->writestring(" : "); | |
| 4900 else | |
| 4901 buf->writestring(" == "); | |
| 4902 tspec->toCBuffer(buf, NULL, hgs); | |
| 4903 } | |
| 336 | 4904 #if DMDV2 |
| 159 | 4905 if (parameters) |
| 4906 { // First parameter is already output, so start with second | |
| 4907 for (int i = 1; i < parameters->dim; i++) | |
| 4908 { | |
| 4909 buf->writeByte(','); | |
| 4910 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4911 tp->toCBuffer(buf, hgs); | |
| 4912 } | |
| 4913 } | |
| 4914 #endif | |
| 4915 buf->writeByte(')'); | |
| 4916 } | |
| 4917 | |
| 4918 | |
| 4919 /************************************************************/ | |
| 4920 | |
| 4921 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4922 : Expression(loc, op, size) | |
| 4923 { | |
| 4924 this->e1 = e1; | |
| 4925 } | |
| 4926 | |
| 4927 Expression *UnaExp::syntaxCopy() | |
| 4928 { UnaExp *e; | |
| 4929 | |
| 4930 e = (UnaExp *)copy(); | |
| 4931 e->type = NULL; | |
| 4932 e->e1 = e->e1->syntaxCopy(); | |
| 4933 return e; | |
| 4934 } | |
| 4935 | |
| 4936 Expression *UnaExp::semantic(Scope *sc) | |
| 4937 { | |
| 4938 #if LOGSEMANTIC | |
| 4939 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4940 #endif | |
| 4941 e1 = e1->semantic(sc); | |
| 4942 // if (!e1->type) | |
| 4943 // error("%s has no value", e1->toChars()); | |
| 4944 return this; | |
| 4945 } | |
| 4946 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4947 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4948 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4949 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4950 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4951 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4952 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4953 |
| 159 | 4954 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4955 { | |
| 4956 buf->writestring(Token::toChars(op)); | |
| 4957 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4958 } | |
| 4959 | |
| 4960 /************************************************************/ | |
| 4961 | |
| 4962 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4963 : Expression(loc, op, size) | |
| 4964 { | |
| 4965 this->e1 = e1; | |
| 4966 this->e2 = e2; | |
| 4967 } | |
| 4968 | |
| 4969 Expression *BinExp::syntaxCopy() | |
| 4970 { BinExp *e; | |
| 4971 | |
| 4972 e = (BinExp *)copy(); | |
| 4973 e->type = NULL; | |
| 4974 e->e1 = e->e1->syntaxCopy(); | |
| 4975 e->e2 = e->e2->syntaxCopy(); | |
| 4976 return e; | |
| 4977 } | |
| 4978 | |
| 4979 Expression *BinExp::semantic(Scope *sc) | |
| 4980 { | |
| 4981 #if LOGSEMANTIC | |
| 4982 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4983 #endif | |
| 4984 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4985 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4986 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4987 { |
| 4988 error("%s has no value", e1->toChars()); | |
| 4989 e1->type = Type::terror; | |
| 4990 } | |
| 4991 e2 = e2->semantic(sc); | |
| 4992 if (!e2->type) | |
| 4993 { | |
| 4994 error("%s has no value", e2->toChars()); | |
| 4995 e2->type = Type::terror; | |
| 4996 } | |
| 4997 return this; | |
| 4998 } | |
| 4999 | |
| 5000 Expression *BinExp::semanticp(Scope *sc) | |
| 5001 { | |
| 5002 BinExp::semantic(sc); | |
| 5003 e1 = resolveProperties(sc, e1); | |
| 5004 e2 = resolveProperties(sc, e2); | |
| 5005 return this; | |
| 5006 } | |
| 5007 | |
| 5008 /*************************** | |
| 5009 * Common semantic routine for some xxxAssignExp's. | |
| 5010 */ | |
| 5011 | |
| 5012 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 5013 { Expression *e; | |
| 5014 | |
| 5015 if (!type) | |
| 5016 { | |
| 5017 BinExp::semantic(sc); | |
| 5018 e2 = resolveProperties(sc, e2); | |
| 5019 | |
| 5020 e = op_overload(sc); | |
| 5021 if (e) | |
| 5022 return e; | |
| 5023 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5024 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
|
5025 { // 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
|
5026 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
|
5027 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
|
5028 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
|
5029 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5030 |
| 159 | 5031 e1 = e1->modifiableLvalue(sc, e1); |
| 5032 e1->checkScalar(); | |
| 5033 type = e1->type; | |
| 5034 if (type->toBasetype()->ty == Tbool) | |
| 5035 { | |
| 5036 error("operator not allowed on bool expression %s", toChars()); | |
| 5037 } | |
| 5038 typeCombine(sc); | |
| 5039 e1->checkArithmetic(); | |
| 5040 e2->checkArithmetic(); | |
| 5041 | |
| 5042 if (op == TOKmodass && e2->type->iscomplex()) | |
| 5043 { error("cannot perform modulo complex arithmetic"); | |
| 1587 | 5044 return new ErrorExp(); |
| 159 | 5045 } |
| 5046 } | |
| 5047 return this; | |
| 5048 } | |
| 5049 | |
| 5050 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 5051 { Expression *e; | |
| 5052 | |
| 5053 if (!type) | |
| 5054 { | |
| 5055 BinExp::semantic(sc); | |
| 5056 e2 = resolveProperties(sc, e2); | |
| 5057 | |
| 5058 e = op_overload(sc); | |
| 5059 if (e) | |
| 5060 return e; | |
| 5061 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5062 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
|
5063 { // T[] op= ... |
|
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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
|
5064 typeCombine(sc); |
|
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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
|
5065 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
|
5066 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
|
5067 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5068 |
| 159 | 5069 e1 = e1->modifiableLvalue(sc, e1); |
| 5070 e1->checkScalar(); | |
| 5071 type = e1->type; | |
| 5072 if (type->toBasetype()->ty == Tbool) | |
| 5073 { | |
| 5074 e2 = e2->implicitCastTo(sc, type); | |
| 5075 } | |
| 5076 | |
| 5077 typeCombine(sc); | |
| 5078 e1->checkIntegral(); | |
| 5079 e2->checkIntegral(); | |
| 5080 } | |
| 5081 return this; | |
| 5082 } | |
| 5083 | |
| 5084 int BinExp::checkSideEffect(int flag) | |
| 5085 { | |
| 5086 if (op == TOKplusplus || | |
| 5087 op == TOKminusminus || | |
| 5088 op == TOKassign || | |
| 5089 op == TOKconstruct || | |
| 5090 op == TOKblit || | |
| 5091 op == TOKaddass || | |
| 5092 op == TOKminass || | |
| 5093 op == TOKcatass || | |
| 5094 op == TOKmulass || | |
| 5095 op == TOKdivass || | |
| 5096 op == TOKmodass || | |
| 5097 op == TOKshlass || | |
| 5098 op == TOKshrass || | |
| 5099 op == TOKushrass || | |
| 5100 op == TOKandass || | |
| 5101 op == TOKorass || | |
| 5102 op == TOKxorass || | |
| 5103 op == TOKin || | |
| 5104 op == TOKremove) | |
| 5105 return 1; | |
| 5106 return Expression::checkSideEffect(flag); | |
| 5107 } | |
| 5108 | |
| 1587 | 5109 // generate an error if this is a nonsensical *=,/=, or %=, eg real *= imaginary |
| 5110 void BinExp::checkComplexMulAssign() | |
| 5111 { | |
| 5112 // Any multiplication by an imaginary or complex number yields a complex result. | |
| 5113 // r *= c, i*=c, r*=i, i*=i are all forbidden operations. | |
| 5114 const char *opstr = Token::toChars(op); | |
| 5115 if ( e1->type->isreal() && e2->type->iscomplex()) | |
| 5116 { | |
| 5117 error("%s %s %s is undefined. Did you mean %s %s %s.re ?", | |
| 5118 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5119 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5120 } | |
| 5121 else if (e1->type->isimaginary() && e2->type->iscomplex()) | |
| 5122 { | |
| 5123 error("%s %s %s is undefined. Did you mean %s %s %s.im ?", | |
| 5124 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5125 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5126 } | |
| 5127 else if ((e1->type->isreal() || e1->type->isimaginary()) && | |
| 5128 e2->type->isimaginary()) | |
| 5129 { | |
| 5130 error("%s %s %s is an undefined operation", e1->type->toChars(), | |
| 5131 opstr, e2->type->toChars()); | |
| 5132 } | |
| 5133 } | |
| 5134 | |
| 5135 // generate an error if this is a nonsensical += or -=, eg real += imaginary | |
| 5136 void BinExp::checkComplexAddAssign() | |
| 5137 { | |
| 5138 // Addition or subtraction of a real and an imaginary is a complex result. | |
| 5139 // Thus, r+=i, r+=c, i+=r, i+=c are all forbidden operations. | |
| 5140 if ( (e1->type->isreal() && (e2->type->isimaginary() || e2->type->iscomplex())) || | |
| 5141 (e1->type->isimaginary() && (e2->type->isreal() || e2->type->iscomplex())) | |
| 5142 ) | |
| 5143 { | |
| 5144 error("%s %s %s is undefined (result is complex)", | |
| 5145 e1->type->toChars(), Token::toChars(op), e2->type->toChars()); | |
| 5146 } | |
| 5147 } | |
| 5148 | |
| 159 | 5149 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5150 { | |
| 5151 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5152 buf->writeByte(' '); | |
| 5153 buf->writestring(Token::toChars(op)); | |
| 5154 buf->writeByte(' '); | |
| 5155 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5156 } | |
| 5157 | |
| 5158 int BinExp::isunsigned() | |
| 5159 { | |
| 5160 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5161 } | |
| 5162 | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5163 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5164 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5165 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5166 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5167 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5168 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5169 |
| 159 | 5170 void BinExp::incompatibleTypes() |
| 5171 { | |
| 5172 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5173 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5174 e1->type->toChars(), e2->type->toChars()); | |
| 5175 } | |
| 5176 | |
| 5177 /************************************************************/ | |
| 5178 | |
| 5179 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5180 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5181 { | |
| 5182 } | |
| 5183 | |
| 5184 Expression *CompileExp::semantic(Scope *sc) | |
| 5185 { | |
| 5186 #if LOGSEMANTIC | |
| 5187 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5188 #endif | |
| 5189 UnaExp::semantic(sc); | |
| 5190 e1 = resolveProperties(sc, e1); | |
| 5191 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5192 if (e1->op != TOKstring) | |
| 5193 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5194 type = Type::terror; | |
| 5195 return this; | |
| 5196 } | |
| 5197 StringExp *se = (StringExp *)e1; | |
| 5198 se = se->toUTF8(sc); | |
| 5199 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5200 p.loc = loc; | |
| 5201 p.nextToken(); | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5202 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5203 Expression *e = p.parseExpression(); |
| 5204 if (p.token.value != TOKeof) | |
| 5205 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5206 return e->semantic(sc); | |
| 5207 } | |
| 5208 | |
| 5209 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5210 { | |
| 5211 buf->writestring("mixin("); | |
| 5212 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5213 buf->writeByte(')'); | |
| 5214 } | |
| 5215 | |
| 5216 /************************************************************/ | |
| 5217 | |
| 5218 FileExp::FileExp(Loc loc, Expression *e) | |
| 5219 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5220 { | |
| 5221 } | |
| 5222 | |
| 5223 Expression *FileExp::semantic(Scope *sc) | |
| 5224 { char *name; | |
| 5225 StringExp *se; | |
| 5226 | |
| 5227 #if LOGSEMANTIC | |
| 5228 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5229 #endif | |
| 5230 UnaExp::semantic(sc); | |
| 5231 e1 = resolveProperties(sc, e1); | |
| 5232 e1 = e1->optimize(WANTvalue); | |
| 5233 if (e1->op != TOKstring) | |
| 5234 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5235 goto Lerror; | |
| 5236 } | |
| 5237 se = (StringExp *)e1; | |
| 5238 se = se->toUTF8(sc); | |
| 5239 name = (char *)se->string; | |
| 5240 | |
| 5241 if (!global.params.fileImppath) | |
| 5242 { error("need -Jpath switch to import text file %s", name); | |
| 5243 goto Lerror; | |
| 5244 } | |
| 5245 | |
| 5246 if (name != FileName::name(name)) | |
| 5247 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5248 goto Lerror; | |
| 5249 } | |
| 5250 | |
| 5251 name = FileName::searchPath(global.filePath, name, 0); | |
| 5252 if (!name) | |
| 5253 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5254 goto Lerror; | |
| 5255 } | |
| 5256 | |
| 5257 if (global.params.verbose) | |
| 1587 | 5258 printf("file %s\t(%s)\n", (char *)se->string, name); |
| 159 | 5259 |
| 5260 { File f(name); | |
| 5261 if (f.read()) | |
| 5262 { error("cannot read file %s", f.toChars()); | |
| 5263 goto Lerror; | |
| 5264 } | |
| 5265 else | |
| 5266 { | |
| 5267 f.ref = 1; | |
| 5268 se = new StringExp(loc, f.buffer, f.len); | |
| 5269 } | |
| 5270 } | |
| 5271 Lret: | |
| 5272 return se->semantic(sc); | |
| 5273 | |
| 5274 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5275 se = new StringExp(loc, (char *)""); |
| 159 | 5276 goto Lret; |
| 5277 } | |
| 5278 | |
| 5279 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5280 { | |
| 5281 buf->writestring("import("); | |
| 5282 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5283 buf->writeByte(')'); | |
| 5284 } | |
| 5285 | |
| 5286 /************************************************************/ | |
| 5287 | |
| 5288 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5289 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5290 { | |
| 5291 this->msg = msg; | |
| 5292 } | |
| 5293 | |
| 5294 Expression *AssertExp::syntaxCopy() | |
| 5295 { | |
| 5296 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5297 msg ? msg->syntaxCopy() : NULL); | |
| 5298 return ae; | |
| 5299 } | |
| 5300 | |
| 5301 Expression *AssertExp::semantic(Scope *sc) | |
| 5302 { | |
| 5303 #if LOGSEMANTIC | |
| 5304 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5305 #endif | |
| 5306 UnaExp::semantic(sc); | |
| 5307 e1 = resolveProperties(sc, e1); | |
| 5308 // BUG: see if we can do compile time elimination of the Assert | |
| 5309 e1 = e1->optimize(WANTvalue); | |
| 5310 e1 = e1->checkToBoolean(); | |
| 5311 if (msg) | |
| 5312 { | |
| 5313 msg = msg->semantic(sc); | |
| 5314 msg = resolveProperties(sc, msg); | |
| 5315 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5316 msg = msg->optimize(WANTvalue); | |
| 5317 } | |
| 5318 if (e1->isBool(FALSE)) | |
| 5319 { | |
| 5320 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5321 fd->hasReturnExp |= 4; | |
| 5322 | |
| 5323 if (!global.params.useAssert) | |
| 5324 { Expression *e = new HaltExp(loc); | |
| 5325 e = e->semantic(sc); | |
| 5326 return e; | |
| 5327 } | |
| 5328 } | |
| 5329 type = Type::tvoid; | |
| 5330 return this; | |
| 5331 } | |
| 5332 | |
| 5333 int AssertExp::checkSideEffect(int flag) | |
| 5334 { | |
| 5335 return 1; | |
| 5336 } | |
| 5337 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5338 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5339 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5340 { |
| 1587 | 5341 /* assert()s are non-recoverable errors, so functions that |
| 5342 * use them can be considered "nothrow" | |
| 5343 */ | |
| 5344 return 0; //(global.params.useAssert != 0); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5345 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5346 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5347 |
| 159 | 5348 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5349 { | |
| 5350 buf->writestring("assert("); | |
| 5351 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5352 if (msg) | |
| 5353 { | |
| 5354 buf->writeByte(','); | |
| 5355 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5356 } | |
| 5357 buf->writeByte(')'); | |
| 5358 } | |
| 5359 | |
| 5360 /************************************************************/ | |
| 5361 | |
| 5362 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5363 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5364 { | |
| 5365 this->ident = ident; | |
| 5366 } | |
| 5367 | |
| 5368 Expression *DotIdExp::semantic(Scope *sc) | |
| 5369 { Expression *e; | |
| 5370 Expression *eleft; | |
| 5371 Expression *eright; | |
| 5372 | |
| 5373 #if LOGSEMANTIC | |
| 5374 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5375 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5376 #endif | |
| 5377 | |
| 5378 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5379 | |
| 5380 #if 0 | |
| 5381 /* Don't do semantic analysis if we'll be converting | |
| 5382 * it to a string. | |
| 5383 */ | |
| 5384 if (ident == Id::stringof) | |
| 5385 { char *s = e1->toChars(); | |
| 5386 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5387 e = e->semantic(sc); | |
| 5388 return e; | |
| 5389 } | |
| 5390 #endif | |
| 5391 | |
| 5392 /* Special case: rewrite this.id and super.id | |
| 5393 * to be classtype.id and baseclasstype.id | |
| 5394 * if we have no this pointer. | |
| 5395 */ | |
| 5396 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5397 { ClassDeclaration *cd; | |
| 5398 StructDeclaration *sd; | |
| 5399 AggregateDeclaration *ad; | |
| 5400 | |
| 5401 ad = sc->getStructClassScope(); | |
| 5402 if (ad) | |
| 5403 { | |
| 5404 cd = ad->isClassDeclaration(); | |
| 5405 if (cd) | |
| 5406 { | |
| 5407 if (e1->op == TOKthis) | |
| 5408 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5409 e = typeDotIdExp(loc, cd->type, ident); |
| 159 | 5410 return e->semantic(sc); |
| 5411 } | |
| 5412 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5413 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5414 e = typeDotIdExp(loc, cd->baseClass->type, ident); |
| 159 | 5415 return e->semantic(sc); |
| 5416 } | |
| 5417 } | |
| 5418 else | |
| 5419 { | |
| 5420 sd = ad->isStructDeclaration(); | |
| 5421 if (sd) | |
| 5422 { | |
| 5423 if (e1->op == TOKthis) | |
| 5424 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5425 e = typeDotIdExp(loc, sd->type, ident); |
| 159 | 5426 return e->semantic(sc); |
| 5427 } | |
| 5428 } | |
| 5429 } | |
| 5430 } | |
| 5431 } | |
| 5432 | |
| 5433 UnaExp::semantic(sc); | |
| 5434 | |
| 5435 if (e1->op == TOKdotexp) | |
| 5436 { | |
| 5437 DotExp *de = (DotExp *)e1; | |
| 5438 eleft = de->e1; | |
| 5439 eright = de->e2; | |
| 5440 } | |
| 5441 else | |
| 5442 { | |
| 5443 e1 = resolveProperties(sc, e1); | |
| 5444 eleft = NULL; | |
| 5445 eright = e1; | |
| 5446 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5447 #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
|
5448 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
|
5449 { /* '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
|
5450 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5451 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
|
5452 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
|
5453 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
|
5454 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
|
5455 { 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
|
5456 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
|
5457 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
|
5458 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
|
5459 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5460 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
|
5461 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
|
5462 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
|
5463 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5464 #endif |
| 159 | 5465 |
| 5466 if (e1->op == TOKtuple && ident == Id::length) | |
| 5467 { | |
| 5468 TupleExp *te = (TupleExp *)e1; | |
| 5469 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5470 return e; | |
| 5471 } | |
| 5472 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5473 if (e1->op == TOKdottd) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5474 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5475 error("template %s does not have property %s", e1->toChars(), ident->toChars()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5476 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5477 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5478 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5479 if (!e1->type) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5480 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5481 error("expression %s does not have property %s", e1->toChars(), ident->toChars()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5482 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5483 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5484 |
| 159 | 5485 if (eright->op == TOKimport) // also used for template alias's |
| 5486 { | |
| 5487 ScopeExp *ie = (ScopeExp *)eright; | |
| 5488 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5489 /* 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
|
5490 * 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
|
5491 * 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
|
5492 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5493 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
|
5494 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5495 if (s) |
| 5496 { | |
| 5497 s = s->toAlias(); | |
| 5498 checkDeprecated(sc, s); | |
| 5499 | |
| 5500 EnumMember *em = s->isEnumMember(); | |
| 5501 if (em) | |
| 5502 { | |
| 5503 e = em->value; | |
| 5504 e = e->semantic(sc); | |
| 5505 return e; | |
| 5506 } | |
| 5507 | |
| 5508 VarDeclaration *v = s->isVarDeclaration(); | |
| 5509 if (v) | |
| 5510 { | |
| 5511 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5512 if (v->inuse) | |
| 5513 { | |
| 5514 error("circular reference to '%s'", v->toChars()); | |
| 5515 type = Type::tint32; | |
| 5516 return this; | |
| 5517 } | |
| 5518 type = v->type; | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
5519 if (v->isSameAsInitializer()) |
| 159 | 5520 { |
| 5521 if (v->init) | |
| 5522 { | |
| 5523 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5524 if (ei) | |
| 5525 { | |
| 5526 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5527 //ei->exp = ei->exp->semantic(sc); | |
| 5528 if (ei->exp->type == type) | |
| 5529 { | |
| 5530 e = ei->exp->copy(); // make copy so we can change loc | |
| 5531 e->loc = loc; | |
| 5532 return e; | |
| 5533 } | |
| 5534 } | |
| 5535 } | |
| 5536 else if (type->isscalar()) | |
| 5537 { | |
| 5538 e = type->defaultInit(); | |
| 5539 e->loc = loc; | |
| 5540 return e; | |
| 5541 } | |
| 5542 } | |
| 5543 if (v->needThis()) | |
| 5544 { | |
| 5545 if (!eleft) | |
| 5546 eleft = new ThisExp(loc); | |
| 5547 e = new DotVarExp(loc, eleft, v); | |
| 5548 e = e->semantic(sc); | |
| 5549 } | |
| 5550 else | |
| 5551 { | |
| 5552 e = new VarExp(loc, v); | |
| 5553 if (eleft) | |
| 5554 { e = new CommaExp(loc, eleft, e); | |
| 5555 e->type = v->type; | |
| 5556 } | |
| 5557 } | |
| 5558 return e->deref(); | |
| 5559 } | |
| 5560 | |
| 5561 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5562 if (f) | |
| 5563 { | |
| 5564 //printf("it's a function\n"); | |
| 5565 if (f->needThis()) | |
| 5566 { | |
| 5567 if (!eleft) | |
| 5568 eleft = new ThisExp(loc); | |
| 5569 e = new DotVarExp(loc, eleft, f); | |
| 5570 e = e->semantic(sc); | |
| 5571 } | |
| 5572 else | |
| 5573 { | |
| 5574 e = new VarExp(loc, f); | |
| 5575 if (eleft) | |
| 5576 { e = new CommaExp(loc, eleft, e); | |
| 5577 e->type = f->type; | |
| 5578 } | |
| 5579 } | |
| 5580 return e; | |
| 5581 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5582 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5583 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5584 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5585 { //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
|
5586 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5587 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5588 #endif |
| 159 | 5589 |
| 5590 Type *t = s->getType(); | |
| 5591 if (t) | |
| 5592 { | |
| 5593 return new TypeExp(loc, t); | |
| 5594 } | |
| 5595 | |
| 336 | 5596 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5597 if (tup) | |
| 5598 { | |
| 5599 if (eleft) | |
| 5600 error("cannot have e.tuple"); | |
| 5601 e = new TupleExp(loc, tup); | |
| 5602 e = e->semantic(sc); | |
| 5603 return e; | |
| 5604 } | |
| 5605 | |
| 159 | 5606 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5607 if (sds) | |
| 5608 { | |
| 5609 //printf("it's a ScopeDsymbol\n"); | |
| 5610 e = new ScopeExp(loc, sds); | |
| 5611 e = e->semantic(sc); | |
| 5612 if (eleft) | |
| 5613 e = new DotExp(loc, eleft, e); | |
| 5614 return e; | |
| 5615 } | |
| 5616 | |
| 5617 Import *imp = s->isImport(); | |
| 5618 if (imp) | |
| 5619 { | |
| 5620 ScopeExp *ie; | |
| 5621 | |
| 5622 ie = new ScopeExp(loc, imp->pkg); | |
| 5623 return ie->semantic(sc); | |
| 5624 } | |
| 5625 | |
| 5626 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5627 #ifdef DEBUG | |
| 5628 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5629 #endif | |
| 5630 assert(0); | |
| 5631 } | |
| 5632 else if (ident == Id::stringof) | |
| 5633 { char *s = ie->toChars(); | |
| 5634 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5635 e = e->semantic(sc); | |
| 5636 return e; | |
| 5637 } | |
| 5638 error("undefined identifier %s", toChars()); | |
| 5639 type = Type::tvoid; | |
| 5640 return this; | |
| 5641 } | |
| 5642 else if (e1->type->ty == Tpointer && | |
| 5643 ident != Id::init && ident != Id::__sizeof && | |
| 5644 ident != Id::alignof && ident != Id::offsetof && | |
| 5645 ident != Id::mangleof && ident != Id::stringof) | |
| 1587 | 5646 { /* Rewrite: |
| 5647 * p.ident | |
| 5648 * as: | |
| 5649 * (*p).ident | |
| 5650 */ | |
| 159 | 5651 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
|
5652 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5653 return e->type->dotExp(sc, e, ident); |
| 5654 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5655 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5656 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5657 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5658 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5659 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5660 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5661 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5662 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5663 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5664 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5665 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5666 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5667 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5668 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
|
5669 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5670 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5671 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
|
5672 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5673 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5674 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5675 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5676 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5677 #endif |
| 159 | 5678 else |
| 5679 { | |
| 5680 e = e1->type->dotExp(sc, e1, ident); | |
| 5681 e = e->semantic(sc); | |
| 5682 return e; | |
| 5683 } | |
| 5684 } | |
| 5685 | |
| 5686 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5687 { | |
| 5688 //printf("DotIdExp::toCBuffer()\n"); | |
| 5689 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5690 buf->writeByte('.'); | |
| 5691 buf->writestring(ident->toChars()); | |
| 5692 } | |
| 5693 | |
| 5694 /********************** DotTemplateExp ***********************************/ | |
| 5695 | |
| 5696 // Mainly just a placeholder | |
| 5697 | |
| 5698 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5699 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5700 | |
| 5701 { | |
| 5702 this->td = td; | |
| 5703 } | |
| 5704 | |
| 5705 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5706 { | |
| 5707 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5708 buf->writeByte('.'); | |
| 5709 buf->writestring(td->toChars()); | |
| 5710 } | |
| 5711 | |
| 5712 | |
| 5713 /************************************************************/ | |
| 5714 | |
| 5715 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5716 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5717 { | |
| 5718 //printf("DotVarExp()\n"); | |
| 5719 this->var = v; | |
| 5720 } | |
| 5721 | |
| 5722 Expression *DotVarExp::semantic(Scope *sc) | |
| 5723 { | |
| 5724 #if LOGSEMANTIC | |
| 5725 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5726 #endif | |
| 5727 if (!type) | |
| 5728 { | |
| 5729 var = var->toAlias()->isDeclaration(); | |
| 5730 | |
| 5731 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5732 if (tup) | |
| 5733 { /* Replace: | |
| 5734 * e1.tuple(a, b, c) | |
| 5735 * with: | |
| 5736 * tuple(e1.a, e1.b, e1.c) | |
| 5737 */ | |
| 5738 Expressions *exps = new Expressions; | |
| 5739 | |
| 5740 exps->reserve(tup->objects->dim); | |
| 5741 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5742 { Object *o = (Object *)tup->objects->data[i]; | |
| 5743 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5744 { | |
| 5745 error("%s is not an expression", o->toChars()); | |
| 5746 } | |
| 5747 else | |
| 5748 { | |
| 5749 Expression *e = (Expression *)o; | |
| 5750 if (e->op != TOKdsymbol) | |
| 5751 error("%s is not a member", e->toChars()); | |
| 5752 else | |
| 5753 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5754 | |
| 5755 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5756 exps->push(e); | |
| 5757 } | |
| 5758 } | |
| 5759 } | |
| 5760 Expression *e = new TupleExp(loc, exps); | |
| 5761 e = e->semantic(sc); | |
| 5762 return e; | |
| 5763 } | |
| 5764 | |
| 5765 e1 = e1->semantic(sc); | |
| 5766 type = var->type; | |
| 5767 if (!type && global.errors) | |
| 5768 { // var is goofed up, just return 0 | |
| 1587 | 5769 return new ErrorExp(); |
| 159 | 5770 } |
| 5771 assert(type); | |
| 5772 | |
| 5773 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5774 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5775 Dsymbol *vparent = var->toParent(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5776 AggregateDeclaration *ad = vparent ? vparent->isAggregateDeclaration() : NULL; |
| 336 | 5777 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5778 if (!sc->noaccesscheck) | |
| 5779 accessCheck(loc, sc, e1, var); | |
| 5780 | |
| 5781 VarDeclaration *v = var->isVarDeclaration(); | |
|
1499
df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
Christian Kamm <kamm incasoftware de>
parents:
1372
diff
changeset
|
5782 if (v && v->isSameAsInitializer()) |
| 336 | 5783 { ExpInitializer *ei = v->getExpInitializer(); |
| 5784 if (ei) | |
| 5785 { Expression *e = ei->exp->copy(); | |
| 5786 e = e->semantic(sc); | |
| 5787 return e; | |
| 159 | 5788 } |
| 5789 } | |
| 5790 } | |
| 5791 } | |
| 5792 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5793 return this; | |
| 5794 } | |
| 5795 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5796 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5797 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5798 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5799 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5800 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5801 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5802 |
| 159 | 5803 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5804 { | |
| 5805 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5806 return this; | |
| 5807 } | |
| 5808 | |
| 5809 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5810 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5811 #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
|
5812 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
|
5813 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
|
5814 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
|
5815 #endif |
| 159 | 5816 |
| 5817 if (var->isCtorinit()) | |
| 5818 { // It's only modifiable if inside the right constructor | |
| 5819 Dsymbol *s = sc->func; | |
| 5820 while (1) | |
| 5821 { | |
| 5822 FuncDeclaration *fd = NULL; | |
| 5823 if (s) | |
| 5824 fd = s->isFuncDeclaration(); | |
| 5825 if (fd && | |
| 5826 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5827 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5828 fd->toParent() == var->toParent() && | |
| 5829 e1->op == TOKthis | |
| 5830 ) | |
| 5831 { | |
| 5832 VarDeclaration *v = var->isVarDeclaration(); | |
| 5833 assert(v); | |
| 5834 v->ctorinit = 1; | |
| 5835 //printf("setting ctorinit\n"); | |
| 5836 } | |
| 5837 else | |
| 5838 { | |
| 5839 if (s) | |
| 5840 { s = s->toParent2(); | |
| 5841 continue; | |
| 5842 } | |
| 5843 else | |
| 5844 { | |
| 5845 const char *p = var->isStatic() ? "static " : ""; | |
| 5846 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5847 p, var->toChars(), p); | |
| 5848 } | |
| 5849 } | |
| 5850 break; | |
| 5851 } | |
| 5852 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5853 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5854 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5855 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5856 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5857 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5858 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5859 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5860 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5861 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5862 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5863 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5864 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5865 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5866 #endif |
| 159 | 5867 return this; |
| 5868 } | |
| 5869 | |
| 5870 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5871 { | |
| 5872 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5873 buf->writeByte('.'); | |
| 5874 buf->writestring(var->toChars()); | |
| 5875 } | |
| 5876 | |
| 5877 /************************************************************/ | |
| 5878 | |
| 5879 /* Things like: | |
| 5880 * foo.bar!(args) | |
| 5881 */ | |
| 5882 | |
| 5883 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5884 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5885 { | |
| 5886 //printf("DotTemplateInstanceExp()\n"); | |
| 5887 this->ti = ti; | |
| 5888 } | |
| 5889 | |
| 5890 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5891 { | |
| 5892 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5893 e1->syntaxCopy(), | |
| 5894 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5895 return de; | |
| 5896 } | |
| 5897 | |
| 5898 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5899 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5900 #if 1 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5901 #if LOGSEMANTIC |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5902 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5903 #endif |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5904 Expression *eleft; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5905 Expression *e = new DotIdExp(loc, e1, ti->name); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5906 L1: |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5907 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5908 if (e->op == TOKdottd) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5909 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5910 DotTemplateExp *dte = (DotTemplateExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5911 TemplateDeclaration *td = dte->td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5912 eleft = dte->e1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5913 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5914 ti->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5915 Dsymbol *s = ti->inst->toAlias(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5916 Declaration *v = s->isDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5917 if (v) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5918 { e = new DotVarExp(loc, eleft, v); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5919 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5920 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5921 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5922 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5923 e = new DotExp(loc, eleft, e); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5924 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5925 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5926 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5927 else if (e->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5928 { ScopeExp *se = (ScopeExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5929 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5930 if (!td) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5931 { error("%s is not a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5932 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5933 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5934 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5935 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5936 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5937 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5938 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5939 else if (e->op == TOKdotexp) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5940 { DotExp *de = (DotExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5941 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5942 if (de->e2->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5943 { // This should *really* be moved to ScopeExp::semantic() |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5944 ScopeExp *se = (ScopeExp *)de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5945 de->e2 = new DsymbolExp(loc, se->sds); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5946 de->e2 = de->e2->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5947 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5948 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5949 if (de->e2->op == TOKtemplate) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5950 { TemplateExp *te = (TemplateExp *) de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5951 e = new DotTemplateExp(loc,de->e1,te->td); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5952 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5953 goto L1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5954 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5955 error("%s isn't a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5956 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5957 #else |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5958 Dsymbol *s; |
| 159 | 5959 Dsymbol *s2; |
| 5960 TemplateDeclaration *td; | |
| 5961 Expression *e; | |
| 5962 Identifier *id; | |
| 5963 Type *t1; | |
| 5964 Expression *eleft = NULL; | |
| 5965 Expression *eright; | |
| 5966 | |
| 5967 #if LOGSEMANTIC | |
| 5968 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5969 #endif | |
| 5970 //e1->print(); | |
| 5971 //print(); | |
| 5972 e1 = e1->semantic(sc); | |
| 5973 t1 = e1->type; | |
| 5974 if (t1) | |
| 5975 t1 = t1->toBasetype(); | |
| 5976 //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
|
5977 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5978 /* 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
|
5979 * 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
|
5980 * 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
|
5981 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5982 |
| 159 | 5983 if (e1->op == TOKdotexp) |
| 5984 { DotExp *de = (DotExp *)e1; | |
| 5985 eleft = de->e1; | |
| 5986 eright = de->e2; | |
| 5987 } | |
| 5988 else | |
| 5989 { eleft = NULL; | |
| 5990 eright = e1; | |
| 5991 } | |
| 5992 if (eright->op == TOKimport) | |
| 5993 { | |
| 5994 s = ((ScopeExp *)eright)->sds; | |
| 5995 } | |
| 5996 else if (e1->op == TOKtype) | |
| 5997 { | |
| 5998 s = t1->isClassHandle(); | |
| 5999 if (!s) | |
| 6000 { if (t1->ty == Tstruct) | |
| 6001 s = ((TypeStruct *)t1)->sym; | |
| 6002 else | |
| 6003 goto L1; | |
| 6004 } | |
| 6005 } | |
| 6006 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 6007 { | |
| 6008 s = t1->toDsymbol(sc); | |
| 6009 eleft = e1; | |
| 6010 } | |
| 6011 else if (t1 && t1->ty == Tpointer) | |
| 6012 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6013 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 6014 if (t1->ty != Tstruct) |
| 6015 goto L1; | |
| 6016 s = t1->toDsymbol(sc); | |
| 6017 eleft = e1; | |
| 6018 } | |
| 6019 else | |
| 6020 { | |
| 6021 L1: | |
| 6022 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 6023 goto Lerr; | |
| 6024 } | |
| 6025 | |
| 6026 assert(s); | |
| 6027 id = ti->name; | |
| 6028 s2 = s->search(loc, id, 0); | |
| 6029 if (!s2) | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6030 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6031 if (!s->ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6032 error("template identifier %s is not a member of undefined %s", id->toChars(), s->kind()); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6033 else |
|
1258
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
6034 error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); |
| 159 | 6035 goto Lerr; |
| 6036 } | |
| 6037 s = s2; | |
| 6038 s->semantic(sc); | |
| 6039 s = s->toAlias(); | |
| 6040 td = s->isTemplateDeclaration(); | |
| 6041 if (!td) | |
| 6042 { | |
| 6043 error("%s is not a template", id->toChars()); | |
| 6044 goto Lerr; | |
| 6045 } | |
| 6046 if (global.errors) | |
| 6047 goto Lerr; | |
| 6048 | |
| 6049 ti->tempdecl = td; | |
| 6050 | |
| 6051 if (eleft) | |
| 6052 { Declaration *v; | |
| 6053 | |
| 6054 ti->semantic(sc); | |
| 6055 s = ti->inst->toAlias(); | |
| 6056 v = s->isDeclaration(); | |
| 6057 if (v) | |
| 6058 { e = new DotVarExp(loc, eleft, v); | |
| 6059 e = e->semantic(sc); | |
| 6060 return e; | |
| 6061 } | |
| 6062 } | |
| 6063 | |
| 6064 e = new ScopeExp(loc, ti); | |
| 6065 if (eleft) | |
| 6066 { | |
| 6067 e = new DotExp(loc, eleft, e); | |
| 6068 } | |
| 6069 e = e->semantic(sc); | |
| 6070 return e; | |
| 6071 | |
| 6072 Lerr: | |
| 336 | 6073 return new IntegerExp(loc, 0, Type::tint32); |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6074 #endif |
| 159 | 6075 } |
| 6076 | |
| 6077 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6078 { | |
| 6079 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6080 buf->writeByte('.'); | |
| 6081 ti->toCBuffer(buf, hgs); | |
| 6082 } | |
| 6083 | |
| 6084 /************************************************************/ | |
| 6085 | |
| 6086 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 6087 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 6088 { | |
| 6089 this->func = f; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6090 m = NULL; |
| 159 | 6091 } |
| 6092 | |
| 6093 Expression *DelegateExp::semantic(Scope *sc) | |
| 6094 { | |
| 6095 #if LOGSEMANTIC | |
| 6096 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 6097 #endif | |
| 6098 if (!type) | |
| 6099 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6100 m = sc->module; |
| 159 | 6101 e1 = e1->semantic(sc); |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6102 // 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
|
6103 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 6104 type = type->semantic(loc, sc); |
| 6105 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 6106 if (func->needThis()) |
| 6107 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 6108 } |
| 6109 return this; | |
| 6110 } | |
| 6111 | |
| 6112 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6113 { | |
| 6114 buf->writeByte('&'); | |
| 6115 if (!func->isNested()) | |
| 6116 { | |
| 6117 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6118 buf->writeByte('.'); | |
| 6119 } | |
| 6120 buf->writestring(func->toChars()); | |
| 6121 } | |
| 6122 | |
| 6123 /************************************************************/ | |
| 6124 | |
| 6125 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 6126 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 6127 { | |
| 6128 this->sym = s; | |
| 6129 this->type = s->getType(); | |
| 6130 } | |
| 6131 | |
| 6132 Expression *DotTypeExp::semantic(Scope *sc) | |
| 6133 { | |
| 6134 #if LOGSEMANTIC | |
| 6135 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 6136 #endif | |
| 6137 UnaExp::semantic(sc); | |
| 6138 return this; | |
| 6139 } | |
| 6140 | |
| 6141 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6142 { | |
| 6143 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6144 buf->writeByte('.'); | |
| 6145 buf->writestring(sym->toChars()); | |
| 6146 } | |
| 6147 | |
| 6148 /************************************************************/ | |
| 6149 | |
| 6150 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 6151 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6152 { | |
| 6153 this->arguments = exps; | |
| 6154 } | |
| 6155 | |
| 6156 CallExp::CallExp(Loc loc, Expression *e) | |
| 6157 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6158 { | |
| 6159 this->arguments = NULL; | |
| 6160 } | |
| 6161 | |
| 6162 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 6163 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6164 { | |
| 6165 Expressions *arguments = new Expressions(); | |
| 1587 | 6166 if (earg1) |
| 6167 { arguments->setDim(1); | |
| 6168 arguments->data[0] = (void *)earg1; | |
| 6169 } | |
| 159 | 6170 this->arguments = arguments; |
| 6171 } | |
| 6172 | |
| 6173 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 6174 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6175 { | |
| 6176 Expressions *arguments = new Expressions(); | |
| 6177 arguments->setDim(2); | |
| 6178 arguments->data[0] = (void *)earg1; | |
| 6179 arguments->data[1] = (void *)earg2; | |
| 6180 | |
| 6181 this->arguments = arguments; | |
| 6182 } | |
| 6183 | |
| 6184 Expression *CallExp::syntaxCopy() | |
| 6185 { | |
| 6186 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 6187 } | |
| 6188 | |
| 6189 | |
| 6190 Expression *CallExp::semantic(Scope *sc) | |
| 6191 { | |
| 6192 TypeFunction *tf; | |
| 6193 FuncDeclaration *f; | |
| 6194 int i; | |
| 6195 Type *t1; | |
| 6196 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
|
6197 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 6198 |
| 6199 #if LOGSEMANTIC | |
| 6200 printf("CallExp::semantic() %s\n", toChars()); | |
| 6201 #endif | |
| 6202 if (type) | |
| 6203 return this; // semantic() already run | |
| 6204 #if 0 | |
| 6205 if (arguments && arguments->dim) | |
| 6206 { | |
| 6207 Expression *earg = (Expression *)arguments->data[0]; | |
| 6208 earg->print(); | |
| 6209 if (earg->type) earg->type->print(); | |
| 6210 } | |
| 6211 #endif | |
| 6212 | |
| 6213 if (e1->op == TOKdelegate) | |
| 6214 { DelegateExp *de = (DelegateExp *)e1; | |
| 6215 | |
| 6216 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 6217 return semantic(sc); | |
| 6218 } | |
| 6219 | |
| 6220 /* Transform: | |
| 6221 * array.id(args) into id(array,args) | |
| 6222 * aa.remove(arg) into delete aa[arg] | |
| 6223 */ | |
| 6224 if (e1->op == TOKdot) | |
| 6225 { | |
| 6226 // BUG: we should handle array.a.b.c.e(args) too | |
| 6227 | |
| 6228 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6229 dotid->e1 = dotid->e1->semantic(sc); | |
| 6230 assert(dotid->e1); | |
| 6231 if (dotid->e1->type) | |
| 6232 { | |
| 6233 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6234 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6235 { | |
| 6236 if (!arguments || arguments->dim != 1) | |
| 6237 { error("expected key as argument to aa.remove()"); | |
| 6238 goto Lagain; | |
| 6239 } | |
| 6240 Expression *key = (Expression *)arguments->data[0]; | |
| 6241 key = key->semantic(sc); | |
| 6242 key = resolveProperties(sc, key); | |
| 6243 key->rvalue(); | |
| 6244 | |
| 6245 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6246 key = key->implicitCastTo(sc, taa->index); | |
| 6247 key = key->implicitCastTo(sc, taa->key); | |
| 6248 | |
| 6249 return new RemoveExp(loc, dotid->e1, key); | |
| 6250 } | |
| 6251 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6252 { | |
| 6253 if (!arguments) | |
| 6254 arguments = new Expressions(); | |
| 6255 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6256 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6257 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
|
6258 #else |
| 159 | 6259 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
|
6260 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6261 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6262 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6263 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6264 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6265 #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
|
6266 /* 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
|
6267 * 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
|
6268 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6269 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
|
6270 { 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
|
6271 TemplateInstance *ti = se->sds->isTemplateInstance(); |
| 1587 | 6272 if (ti && !ti->semanticRun) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6273 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6274 /* 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
|
6275 * 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
|
6276 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6277 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
|
6278 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
|
6279 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
|
6280 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
|
6281 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
|
6282 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
|
6283 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6284 /* 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
|
6285 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6286 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
|
6287 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
|
6288 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
|
6289 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6290 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6291 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6292 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6293 /* 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
|
6294 * 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
|
6295 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6296 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
|
6297 { 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
|
6298 TemplateInstance *ti = se->ti; |
| 1587 | 6299 if (!ti->semanticRun) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6300 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6301 /* 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
|
6302 * 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
|
6303 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6304 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
|
6305 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
|
6306 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
|
6307 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
|
6308 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
|
6309 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
|
6310 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
|
6311 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6312 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
|
6313 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
|
6314 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
|
6315 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6316 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6317 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
|
6318 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6319 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6320 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6321 |
| 159 | 6322 istemp = 0; |
| 6323 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
|
6324 //printf("Lagain: %s\n", toChars()); |
| 159 | 6325 f = NULL; |
| 6326 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6327 { | |
| 6328 // semantic() run later for these | |
| 6329 } | |
| 6330 else | |
| 6331 { | |
| 6332 UnaExp::semantic(sc); | |
| 6333 | |
| 6334 /* Look for e1 being a lazy parameter | |
| 6335 */ | |
| 6336 if (e1->op == TOKvar) | |
| 6337 { VarExp *ve = (VarExp *)e1; | |
| 6338 | |
| 6339 if (ve->var->storage_class & STClazy) | |
| 6340 { | |
| 6341 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6342 TypeDelegate *t = new TypeDelegate(tf); | |
| 6343 ve->type = t->semantic(loc, sc); | |
| 6344 } | |
| 6345 } | |
| 6346 | |
| 6347 if (e1->op == TOKimport) | |
| 6348 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6349 ScopeExp *se = (ScopeExp *)e1; | |
| 6350 e1 = new DsymbolExp(loc, se->sds); | |
| 6351 e1 = e1->semantic(sc); | |
| 6352 } | |
| 6353 #if 1 // patch for #540 by Oskar Linde | |
| 6354 else if (e1->op == TOKdotexp) | |
| 6355 { | |
| 6356 DotExp *de = (DotExp *) e1; | |
| 6357 | |
| 6358 if (de->e2->op == TOKimport) | |
| 6359 { // This should *really* be moved to ScopeExp::semantic() | |
| 6360 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6361 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6362 de->e2 = de->e2->semantic(sc); | |
| 6363 } | |
| 6364 | |
| 6365 if (de->e2->op == TOKtemplate) | |
| 6366 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6367 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6368 } | |
| 6369 } | |
| 6370 #endif | |
| 6371 } | |
| 6372 | |
| 6373 if (e1->op == TOKcomma) | |
| 6374 { | |
| 6375 CommaExp *ce = (CommaExp *)e1; | |
| 6376 | |
| 6377 e1 = ce->e2; | |
| 6378 e1->type = ce->type; | |
| 6379 ce->e2 = this; | |
| 6380 ce->type = NULL; | |
| 6381 return ce->semantic(sc); | |
| 6382 } | |
| 6383 | |
| 6384 t1 = NULL; | |
| 6385 if (e1->type) | |
| 6386 t1 = e1->type->toBasetype(); | |
| 6387 | |
| 6388 // Check for call operator overload | |
| 6389 if (t1) | |
| 6390 { AggregateDeclaration *ad; | |
| 6391 | |
| 6392 if (t1->ty == Tstruct) | |
| 6393 { | |
| 6394 ad = ((TypeStruct *)t1)->sym; | |
| 1587 | 6395 #if DMDV2 |
| 6396 // First look for constructor | |
| 6397 if (ad->ctor && arguments && arguments->dim) | |
| 6398 { | |
| 6399 // Create variable that will get constructed | |
| 6400 Identifier *idtmp = Lexer::uniqueId("__ctmp"); | |
| 6401 VarDeclaration *tmp = new VarDeclaration(loc, t1, idtmp, NULL); | |
| 6402 Expression *av = new DeclarationExp(loc, tmp); | |
| 6403 av = new CommaExp(loc, av, new VarExp(loc, tmp)); | |
| 6404 | |
| 6405 Expression *e; | |
| 6406 CtorDeclaration *cf = ad->ctor->isCtorDeclaration(); | |
| 6407 if (cf) | |
| 6408 e = new DotVarExp(loc, av, cf, 1); | |
| 6409 else | |
| 6410 { TemplateDeclaration *td = ad->ctor->isTemplateDeclaration(); | |
| 6411 assert(td); | |
| 6412 e = new DotTemplateExp(loc, av, td); | |
| 6413 } | |
| 6414 e = new CallExp(loc, e, arguments); | |
| 6415 #if !STRUCTTHISREF | |
| 6416 /* Constructors return a pointer to the instance | |
| 6417 */ | |
| 6418 e = new PtrExp(loc, e); | |
| 6419 #endif | |
| 6420 e = e->semantic(sc); | |
| 6421 return e; | |
| 6422 } | |
| 6423 #endif | |
| 6424 // No constructor, look for overload of opCall | |
| 159 | 6425 if (search_function(ad, Id::call)) |
| 6426 goto L1; // overload of opCall, therefore it's a call | |
| 6427 | |
| 6428 if (e1->op != TOKtype) | |
| 6429 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6430 /* It's a struct literal | |
| 6431 */ | |
| 6432 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6433 e = e->semantic(sc); | |
| 6434 e->type = e1->type; // in case e1->type was a typedef | |
| 6435 return e; | |
| 6436 } | |
| 6437 else if (t1->ty == Tclass) | |
| 6438 { | |
| 6439 ad = ((TypeClass *)t1)->sym; | |
| 6440 goto L1; | |
| 6441 L1: | |
| 6442 // Rewrite as e1.call(arguments) | |
| 6443 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6444 e = new CallExp(loc, e, arguments); | |
| 6445 e = e->semantic(sc); | |
| 6446 return e; | |
| 6447 } | |
| 6448 } | |
| 6449 | |
| 6450 arrayExpressionSemantic(arguments, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6451 preFunctionParameters(loc, sc, arguments); |
| 159 | 6452 |
| 6453 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6454 e1->op == TOKdottd) | |
| 6455 { | |
| 6456 DotVarExp *dve; | |
| 6457 DotTemplateExp *dte; | |
| 6458 AggregateDeclaration *ad; | |
| 6459 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6460 |
| 159 | 6461 if (e1->op == TOKdotvar) |
| 6462 { // Do overload resolution | |
| 6463 dve = (DotVarExp *)(e1); | |
| 6464 | |
| 6465 f = dve->var->isFuncDeclaration(); | |
| 6466 assert(f); | |
| 1587 | 6467 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6468 |
| 6469 ad = f->toParent()->isAggregateDeclaration(); | |
| 6470 } | |
| 6471 else | |
| 6472 { dte = (DotTemplateExp *)(e1); | |
| 6473 TemplateDeclaration *td = dte->td; | |
| 6474 assert(td); | |
| 6475 if (!arguments) | |
| 6476 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6477 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6478 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6479 if (!f) |
| 6480 { type = Type::terror; | |
| 6481 return this; | |
| 6482 } | |
| 6483 ad = td->toParent()->isAggregateDeclaration(); | |
| 6484 } | |
| 336 | 6485 if (f->needThis()) |
| 6486 { | |
| 6487 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6488 } | |
| 6489 | |
| 6490 /* Cannot call public functions from inside invariant | |
| 6491 * (because then the invariant would have infinite recursion) | |
| 159 | 6492 */ |
| 336 | 6493 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6494 ue->e1->op == TOKthis && | |
| 6495 f->addPostInvariant() | |
| 159 | 6496 ) |
| 6497 { | |
| 336 | 6498 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6499 } |
| 6500 | |
| 6501 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 #endif |
| 159 | 6505 accessCheck(loc, sc, ue->e1, f); |
| 6506 if (!f->needThis()) | |
| 6507 { | |
| 6508 VarExp *ve = new VarExp(loc, f); | |
| 6509 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6510 e1->type = f->type; | |
| 6511 } | |
| 6512 else | |
| 6513 { | |
| 6514 if (e1->op == TOKdotvar) | |
| 6515 dve->var = f; | |
| 6516 else | |
| 6517 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6518 e1->type = f->type; | |
| 6519 | |
| 6520 // See if we need to adjust the 'this' pointer | |
| 6521 AggregateDeclaration *ad = f->isThis(); | |
| 6522 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6523 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6524 ue->e1->op != TOKsuper) | |
| 6525 { | |
| 6526 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6527 ue->e1 = ue->e1->semantic(sc); | |
| 6528 } | |
| 6529 } | |
| 6530 t1 = e1->type; | |
| 6531 } | |
| 6532 else if (e1->op == TOKsuper) | |
| 6533 { | |
| 6534 // Base class constructor call | |
| 6535 ClassDeclaration *cd = NULL; | |
| 6536 | |
| 6537 if (sc->func) | |
| 6538 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6539 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6540 { | |
| 6541 error("super class constructor call must be in a constructor"); | |
| 6542 type = Type::terror; | |
| 6543 return this; | |
| 6544 } | |
| 6545 else | |
| 6546 { | |
| 6547 f = cd->baseClass->ctor; | |
| 6548 if (!f) | |
| 6549 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6550 type = Type::terror; | |
| 6551 return this; | |
| 6552 } | |
| 6553 else | |
| 6554 { | |
| 336 | 6555 if (!sc->intypeof) |
| 6556 { | |
| 159 | 6557 #if 0 |
| 336 | 6558 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6559 error("reference to this before super()"); | |
| 159 | 6560 #endif |
| 336 | 6561 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6562 error("constructor calls not allowed in loops or after labels"); | |
| 6563 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6564 error("multiple constructor calls"); | |
| 6565 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6566 } | |
| 159 | 6567 |
| 1587 | 6568 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6569 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6570 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6571 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6572 #endif |
| 159 | 6573 e1 = new DotVarExp(e1->loc, e1, f); |
| 6574 e1 = e1->semantic(sc); | |
| 6575 t1 = e1->type; | |
| 6576 } | |
| 6577 } | |
| 6578 } | |
| 6579 else if (e1->op == TOKthis) | |
| 6580 { | |
| 6581 // same class constructor call | |
| 6582 ClassDeclaration *cd = NULL; | |
| 6583 | |
| 6584 if (sc->func) | |
| 6585 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6586 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6587 { | |
| 6588 error("class constructor call must be in a constructor"); | |
| 6589 type = Type::terror; | |
| 6590 return this; | |
| 6591 } | |
| 6592 else | |
| 6593 { | |
| 336 | 6594 if (!sc->intypeof) |
| 6595 { | |
| 159 | 6596 #if 0 |
| 336 | 6597 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6598 error("reference to this before super()"); | |
| 159 | 6599 #endif |
| 336 | 6600 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6601 error("constructor calls not allowed in loops or after labels"); | |
| 6602 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6603 error("multiple constructor calls"); | |
| 6604 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6605 } | |
| 159 | 6606 |
| 6607 f = cd->ctor; | |
| 1587 | 6608 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6609 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6610 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6611 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6612 #endif |
| 159 | 6613 e1 = new DotVarExp(e1->loc, e1, f); |
| 6614 e1 = e1->semantic(sc); | |
| 6615 t1 = e1->type; | |
| 6616 | |
| 6617 // BUG: this should really be done by checking the static | |
| 6618 // call graph | |
| 6619 if (f == sc->func) | |
| 6620 error("cyclic constructor call"); | |
| 6621 } | |
| 6622 } | |
| 6623 else if (!t1) | |
| 6624 { | |
| 6625 error("function expected before (), not '%s'", e1->toChars()); | |
| 6626 type = Type::terror; | |
| 6627 return this; | |
| 6628 } | |
| 6629 else if (t1->ty != Tfunction) | |
| 6630 { | |
| 6631 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
|
6632 { 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
|
6633 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
|
6634 tf = (TypeFunction *)(td->next); |
| 159 | 6635 goto Lcheckargs; |
| 6636 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6637 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6638 { Expression *e; |
| 6639 | |
| 6640 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
|
6641 t1 = ((TypePointer *)t1)->next; |
| 159 | 6642 e->type = t1; |
| 6643 e1 = e; | |
| 6644 } | |
| 6645 else if (e1->op == TOKtemplate) | |
| 6646 { | |
| 6647 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6648 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6649 if (!f) |
| 6650 { type = Type::terror; | |
| 6651 return this; | |
| 6652 } | |
| 6653 if (f->needThis() && hasThis(sc)) | |
| 6654 { | |
| 6655 // Supply an implicit 'this', as in | |
| 6656 // this.ident | |
| 6657 | |
| 6658 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6659 goto Lagain; | |
| 6660 } | |
| 6661 | |
| 6662 e1 = new VarExp(loc, f); | |
| 6663 goto Lagain; | |
| 6664 } | |
| 6665 else | |
| 6666 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6667 type = Type::terror; | |
| 6668 return this; | |
| 6669 } | |
| 6670 } | |
| 6671 else if (e1->op == TOKvar) | |
| 6672 { | |
| 6673 // Do overload resolution | |
| 6674 VarExp *ve = (VarExp *)e1; | |
| 6675 | |
| 6676 f = ve->var->isFuncDeclaration(); | |
| 6677 assert(f); | |
| 6678 | |
| 6679 // Look to see if f is really a function template | |
| 6680 if (0 && !istemp && f->parent) | |
| 6681 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6682 | |
| 6683 if (ti && | |
| 6684 (ti->name == f->ident || | |
| 6685 ti->toAlias()->ident == f->ident) | |
| 6686 && | |
| 6687 ti->tempdecl) | |
| 6688 { | |
| 6689 /* This is so that one can refer to the enclosing | |
| 6690 * template, even if it has the same name as a member | |
| 6691 * of the template, if it has a !(arguments) | |
| 6692 */ | |
| 6693 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6694 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6695 tempdecl = tempdecl->overroot; // then get the start | |
| 6696 e1 = new TemplateExp(loc, tempdecl); | |
| 6697 istemp = 1; | |
| 6698 goto Lagain; | |
| 6699 } | |
| 6700 } | |
| 6701 | |
| 1587 | 6702 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6703 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6704 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6705 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 #endif |
| 159 | 6707 |
| 6708 if (f->needThis() && hasThis(sc)) | |
| 6709 { | |
| 6710 // Supply an implicit 'this', as in | |
| 6711 // this.ident | |
| 6712 | |
| 6713 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6714 goto Lagain; | |
| 6715 } | |
| 6716 | |
| 6717 accessCheck(loc, sc, NULL, f); | |
| 6718 | |
| 6719 ve->var = f; | |
| 6720 ve->type = f->type; | |
| 6721 t1 = f->type; | |
| 6722 } | |
| 6723 assert(t1->ty == Tfunction); | |
| 6724 tf = (TypeFunction *)(t1); | |
| 6725 | |
| 6726 Lcheckargs: | |
| 6727 assert(tf->ty == Tfunction); | |
| 6728 type = tf->next; | |
| 6729 | |
| 6730 if (!arguments) | |
| 6731 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6732 functionParameters(loc, sc, tf, arguments); |
| 159 | 6733 |
| 6734 assert(type); | |
| 6735 | |
| 6736 if (f && f->tintro) | |
| 6737 { | |
| 6738 Type *t = type; | |
| 6739 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
|
6740 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
|
6741 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6742 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
|
6743 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6744 type = tf->next; |
| 159 | 6745 return castTo(sc, t); |
| 6746 } | |
| 6747 } | |
| 6748 | |
| 6749 return this; | |
| 6750 } | |
| 6751 | |
| 6752 int CallExp::checkSideEffect(int flag) | |
| 6753 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6754 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6755 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6756 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6757 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6758 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6759 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6760 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6761 /* 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
|
6762 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6763 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
|
6764 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6765 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6766 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6767 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6768 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6769 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6770 /* 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
|
6771 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6772 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6773 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6774 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6775 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6776 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
|
6777 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6778 #endif |
| 159 | 6779 return 1; |
| 6780 } | |
| 6781 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6782 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6783 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6784 { |
| 1587 | 6785 //printf("CallExp::canThrow() %s\n", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6786 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6787 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6788 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6789 /* 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
|
6790 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6791 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
|
6792 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6793 |
| 1587 | 6794 if (e && e->canThrow()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6795 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6796 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6797 |
| 1587 | 6798 if (global.errors && !e1->type) |
| 6799 return 0; // error recovery | |
| 6800 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6801 /* 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
|
6802 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6803 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6804 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6805 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6806 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6807 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6808 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
|
6809 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6810 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6811 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6812 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6813 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6814 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6815 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6816 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6817 { |
| 1587 | 6818 // if (type->toBasetype()->ty == Tstruct) |
| 6819 // return 1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6820 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6821 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6822 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6823 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6824 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6825 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6826 |
| 159 | 6827 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6828 { | |
| 1587 | 6829 #if 1 |
| 159 | 6830 if (type->toBasetype()->ty == Tstruct) |
| 6831 return this; | |
| 6832 else | |
| 1587 | 6833 #endif |
| 159 | 6834 return Expression::toLvalue(sc, e); |
| 6835 } | |
| 6836 | |
| 1587 | 6837 Expression *CallExp::modifiableLvalue(Scope *sc, Expression *e) |
| 6838 { | |
| 6839 #if 1 | |
| 6840 return Expression::modifiableLvalue(sc, e); | |
| 6841 #else | |
| 6842 /* Although function return values being usable as "ref" parameters is | |
| 6843 * unsound, disabling it breaks existing code. | |
| 6844 * Bugzilla 3167 | |
| 6845 */ | |
| 6846 error("cannot assign to function call"); | |
| 6847 return toLvalue(sc, e); | |
| 6848 #endif | |
| 6849 } | |
| 6850 | |
| 159 | 6851 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6852 { int i; | |
| 6853 | |
| 6854 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6855 buf->writeByte('('); | |
| 6856 argsToCBuffer(buf, arguments, hgs); | |
| 6857 buf->writeByte(')'); | |
| 6858 } | |
| 6859 | |
| 6860 | |
| 6861 /************************************************************/ | |
| 6862 | |
| 6863 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6864 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6865 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6866 m = NULL; |
| 159 | 6867 } |
| 6868 | |
| 6869 Expression *AddrExp::semantic(Scope *sc) | |
| 6870 { | |
| 6871 #if LOGSEMANTIC | |
| 6872 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6873 #endif | |
| 6874 if (!type) | |
| 6875 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6876 m = sc->module; |
| 159 | 6877 UnaExp::semantic(sc); |
| 6878 e1 = e1->toLvalue(sc, NULL); | |
| 6879 if (!e1->type) | |
| 6880 { | |
| 6881 error("cannot take address of %s", e1->toChars()); | |
| 1587 | 6882 return new ErrorExp(); |
| 6883 } | |
| 6884 if (!e1->type->deco) | |
| 6885 { | |
| 6886 /* No deco means semantic() was not run on the type. | |
| 6887 * We have to run semantic() on the symbol to get the right type: | |
| 6888 * auto x = &bar; | |
| 6889 * pure: int bar() { return 1;} | |
| 6890 * otherwise the 'pure' is missing from the type assigned to x. | |
| 6891 */ | |
| 6892 | |
| 6893 error("forward reference to %s", e1->toChars()); | |
| 6894 return new ErrorExp(); | |
| 159 | 6895 } |
| 6896 type = e1->type->pointerTo(); | |
| 6897 | |
| 6898 // See if this should really be a delegate | |
| 6899 if (e1->op == TOKdotvar) | |
| 6900 { | |
| 6901 DotVarExp *dve = (DotVarExp *)e1; | |
| 6902 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6903 | |
| 6904 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
|
6905 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6906 e = e->semantic(sc); |
| 6907 return e; | |
| 6908 } | |
| 6909 } | |
| 6910 else if (e1->op == TOKvar) | |
| 6911 { | |
| 6912 VarExp *dve = (VarExp *)e1; | |
| 6913 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6914 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6915 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6916 // 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
|
6917 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
|
6918 { |
|
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
|
6919 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
|
6920 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
|
6921 } |
|
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
|
6922 |
| 159 | 6923 if (f && f->isNested()) |
| 6924 { Expression *e; | |
| 6925 | |
| 6926 e = new DelegateExp(loc, e1, f); | |
| 6927 e = e->semantic(sc); | |
| 6928 return e; | |
| 6929 } | |
| 6930 } | |
| 6931 else if (e1->op == TOKarray) | |
| 6932 { | |
| 6933 if (e1->type->toBasetype()->ty == Tbit) | |
| 6934 error("cannot take address of bit in array"); | |
| 6935 } | |
| 6936 return optimize(WANTvalue); | |
| 6937 } | |
| 6938 return this; | |
| 6939 } | |
| 6940 | |
| 6941 /************************************************************/ | |
| 6942 | |
| 6943 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6944 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6945 { | |
| 1587 | 6946 // if (e->type) |
| 6947 // type = ((TypePointer *)e->type)->next; | |
| 159 | 6948 } |
| 6949 | |
| 6950 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6951 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6952 { | |
| 6953 type = t; | |
| 6954 } | |
| 6955 | |
| 6956 Expression *PtrExp::semantic(Scope *sc) | |
| 1587 | 6957 { |
| 159 | 6958 #if LOGSEMANTIC |
| 6959 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6960 #endif | |
| 1587 | 6961 if (!type) |
| 6962 { | |
| 6963 UnaExp::semantic(sc); | |
| 6964 e1 = resolveProperties(sc, e1); | |
| 6965 if (!e1->type) | |
| 6966 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6967 Type *tb = e1->type->toBasetype(); | |
| 6968 switch (tb->ty) | |
| 6969 { | |
| 6970 case Tpointer: | |
| 6971 type = tb->next; | |
| 6972 break; | |
| 6973 | |
| 6974 case Tsarray: | |
| 6975 case Tarray: | |
| 6976 type = tb->next; | |
| 6977 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6978 break; | |
| 6979 | |
| 6980 default: | |
| 6981 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6982 return new ErrorExp(); | |
| 6983 } | |
| 6984 rvalue(); | |
| 6985 } | |
| 159 | 6986 return this; |
| 6987 } | |
| 6988 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6989 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6990 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6991 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6992 return 1; |
|
330f999ade44
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parents:
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diff
changeset
|
6993 } |
|
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parents:
846
diff
changeset
|
6994 #endif |
|
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parents:
846
diff
changeset
|
6995 |
| 159 | 6996 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6997 { | |
| 6998 #if 0 | |
| 6999 tym = tybasic(e1->ET->Tty); | |
| 7000 if (!(tyscalar(tym) || | |
| 7001 tym == TYstruct || | |
| 7002 tym == TYarray && e->Eoper == TOKaddr)) | |
| 7003 synerr(EM_lvalue); // lvalue expected | |
| 7004 #endif | |
| 7005 return this; | |
| 7006 } | |
| 7007 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7008 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7009 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7010 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7011 //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
|
7012 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7013 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7014 { SymOffExp *se = (SymOffExp *)e1; |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7015 se->var->checkModify(loc, sc, type); |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7016 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7017 } |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7018 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7019 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7020 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7021 #endif |
|
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parents:
846
diff
changeset
|
7022 |
| 159 | 7023 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 7024 { | |
| 7025 buf->writeByte('*'); | |
| 7026 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7027 } | |
| 7028 | |
| 7029 /************************************************************/ | |
| 7030 | |
| 7031 NegExp::NegExp(Loc loc, Expression *e) | |
| 7032 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 7033 { | |
| 7034 } | |
| 7035 | |
| 7036 Expression *NegExp::semantic(Scope *sc) | |
| 7037 { Expression *e; | |
| 7038 | |
| 7039 #if LOGSEMANTIC | |
| 7040 printf("NegExp::semantic('%s')\n", toChars()); | |
| 7041 #endif | |
| 7042 if (!type) | |
| 7043 { | |
| 7044 UnaExp::semantic(sc); | |
| 7045 e1 = resolveProperties(sc, e1); | |
| 7046 e = op_overload(sc); | |
| 7047 if (e) | |
| 7048 return e; | |
| 7049 | |
| 7050 e1->checkNoBool(); | |
| 1587 | 7051 if (!e1->isArrayOperand()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7052 e1->checkArithmetic(); |
| 159 | 7053 type = e1->type; |
| 7054 } | |
| 7055 return this; | |
| 7056 } | |
| 7057 | |
| 7058 /************************************************************/ | |
| 7059 | |
| 7060 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 7061 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 7062 { | |
| 7063 } | |
| 7064 | |
| 7065 Expression *UAddExp::semantic(Scope *sc) | |
| 7066 { Expression *e; | |
| 7067 | |
| 7068 #if LOGSEMANTIC | |
| 7069 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 7070 #endif | |
| 7071 assert(!type); | |
| 7072 UnaExp::semantic(sc); | |
| 7073 e1 = resolveProperties(sc, e1); | |
| 7074 e = op_overload(sc); | |
| 7075 if (e) | |
| 7076 return e; | |
| 7077 e1->checkNoBool(); | |
| 7078 e1->checkArithmetic(); | |
| 7079 return e1; | |
| 7080 } | |
| 7081 | |
| 7082 /************************************************************/ | |
| 7083 | |
| 7084 ComExp::ComExp(Loc loc, Expression *e) | |
| 7085 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 7086 { | |
| 7087 } | |
| 7088 | |
| 7089 Expression *ComExp::semantic(Scope *sc) | |
| 7090 { Expression *e; | |
| 7091 | |
| 7092 if (!type) | |
| 7093 { | |
| 7094 UnaExp::semantic(sc); | |
| 7095 e1 = resolveProperties(sc, e1); | |
| 7096 e = op_overload(sc); | |
| 7097 if (e) | |
| 7098 return e; | |
| 7099 | |
| 7100 e1->checkNoBool(); | |
| 1587 | 7101 if (!e1->isArrayOperand()) |
|
510
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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
|
7102 e1 = e1->checkIntegral(); |
| 159 | 7103 type = e1->type; |
| 7104 } | |
| 7105 return this; | |
| 7106 } | |
| 7107 | |
| 7108 /************************************************************/ | |
| 7109 | |
| 7110 NotExp::NotExp(Loc loc, Expression *e) | |
| 7111 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 7112 { | |
| 7113 } | |
| 7114 | |
| 7115 Expression *NotExp::semantic(Scope *sc) | |
| 7116 { | |
| 7117 UnaExp::semantic(sc); | |
| 7118 e1 = resolveProperties(sc, e1); | |
| 7119 e1 = e1->checkToBoolean(); | |
| 7120 type = Type::tboolean; | |
| 7121 return this; | |
| 7122 } | |
| 7123 | |
| 7124 int NotExp::isBit() | |
| 7125 { | |
| 7126 return TRUE; | |
| 7127 } | |
| 7128 | |
| 7129 | |
| 7130 | |
| 7131 /************************************************************/ | |
| 7132 | |
| 7133 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 7134 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 7135 { | |
| 7136 type = t; | |
| 7137 } | |
| 7138 | |
| 7139 Expression *BoolExp::semantic(Scope *sc) | |
| 7140 { | |
| 7141 UnaExp::semantic(sc); | |
| 7142 e1 = resolveProperties(sc, e1); | |
| 7143 e1 = e1->checkToBoolean(); | |
| 7144 type = Type::tboolean; | |
| 7145 return this; | |
| 7146 } | |
| 7147 | |
| 7148 int BoolExp::isBit() | |
| 7149 { | |
| 7150 return TRUE; | |
| 7151 } | |
| 7152 | |
| 7153 /************************************************************/ | |
| 7154 | |
| 7155 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 7156 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 7157 { | |
| 7158 } | |
| 7159 | |
| 7160 Expression *DeleteExp::semantic(Scope *sc) | |
| 7161 { | |
| 7162 Type *tb; | |
| 7163 | |
| 7164 UnaExp::semantic(sc); | |
| 7165 e1 = resolveProperties(sc, e1); | |
| 7166 e1 = e1->toLvalue(sc, NULL); | |
| 7167 type = Type::tvoid; | |
| 7168 | |
| 7169 tb = e1->type->toBasetype(); | |
| 7170 switch (tb->ty) | |
| 7171 { case Tclass: | |
| 7172 { TypeClass *tc = (TypeClass *)tb; | |
| 7173 ClassDeclaration *cd = tc->sym; | |
| 7174 | |
| 7175 if (cd->isCOMinterface()) | |
| 7176 { /* Because COM classes are deleted by IUnknown.Release() | |
| 7177 */ | |
| 7178 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 7179 } | |
| 7180 break; | |
| 7181 } | |
| 7182 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
|
7183 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 7184 if (tb->ty == Tstruct) |
| 7185 { | |
| 7186 TypeStruct *ts = (TypeStruct *)tb; | |
| 7187 StructDeclaration *sd = ts->sym; | |
| 7188 FuncDeclaration *f = sd->aggDelete; | |
| 7189 | |
| 7190 if (f) | |
| 7191 { | |
| 7192 Type *tpv = Type::tvoid->pointerTo(); | |
| 7193 | |
| 7194 Expression *e = e1->castTo(sc, tpv); | |
| 7195 Expression *ec = new VarExp(loc, f); | |
| 7196 e = new CallExp(loc, ec, e); | |
| 7197 return e->semantic(sc); | |
| 7198 } | |
| 7199 } | |
| 7200 break; | |
| 7201 | |
| 7202 case Tarray: | |
| 7203 break; | |
| 7204 | |
| 7205 default: | |
| 7206 if (e1->op == TOKindex) | |
| 7207 { | |
| 7208 IndexExp *ae = (IndexExp *)(e1); | |
| 7209 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7210 if (tb1->ty == Taarray) | |
| 7211 break; | |
| 7212 } | |
| 7213 error("cannot delete type %s", e1->type->toChars()); | |
| 7214 break; | |
| 7215 } | |
| 7216 | |
| 7217 if (e1->op == TOKindex) | |
| 7218 { | |
| 7219 IndexExp *ae = (IndexExp *)(e1); | |
| 7220 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7221 if (tb1->ty == Taarray) | |
| 7222 { if (!global.params.useDeprecated) | |
| 7223 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 7224 } | |
| 7225 } | |
| 7226 | |
| 7227 return this; | |
| 7228 } | |
| 7229 | |
| 7230 int DeleteExp::checkSideEffect(int flag) | |
| 7231 { | |
| 7232 return 1; | |
| 7233 } | |
| 7234 | |
| 7235 Expression *DeleteExp::checkToBoolean() | |
| 7236 { | |
| 7237 error("delete does not give a boolean result"); | |
| 7238 return this; | |
| 7239 } | |
| 7240 | |
| 7241 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7242 { | |
| 7243 buf->writestring("delete "); | |
| 7244 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7245 } | |
| 7246 | |
| 7247 /************************************************************/ | |
| 7248 | |
| 7249 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 7250 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 7251 { | |
| 7252 to = t; | |
| 7253 } | |
| 7254 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7255 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7256 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7257 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7258 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
|
7259 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7260 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7261 to = NULL; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7262 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7263 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7264 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7265 |
| 159 | 7266 Expression *CastExp::syntaxCopy() |
| 7267 { | |
| 7268 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 7269 } | |
| 7270 | |
| 7271 | |
| 7272 Expression *CastExp::semantic(Scope *sc) | |
| 7273 { Expression *e; | |
| 7274 BinExp *b; | |
| 7275 UnaExp *u; | |
| 7276 | |
| 7277 #if LOGSEMANTIC | |
| 7278 printf("CastExp::semantic('%s')\n", toChars()); | |
| 7279 #endif | |
| 7280 | |
| 7281 //static int x; assert(++x < 10); | |
| 7282 | |
| 7283 if (type) | |
| 7284 return this; | |
| 7285 UnaExp::semantic(sc); | |
| 7286 if (e1->type) // if not a tuple | |
| 7287 { | |
| 7288 e1 = resolveProperties(sc, e1); | |
| 7289 to = to->semantic(loc, sc); | |
| 7290 | |
| 7291 e = op_overload(sc); | |
| 7292 if (e) | |
| 7293 { | |
| 7294 return e->implicitCastTo(sc, to); | |
| 7295 } | |
| 7296 | |
| 1587 | 7297 if (e1->op == TOKtemplate) |
| 7298 { | |
| 7299 error("cannot cast template %s to type %s", e1->toChars(), to->toChars()); | |
| 7300 return new ErrorExp(); | |
| 7301 } | |
| 7302 | |
| 7303 Type *t1b = e1->type->toBasetype(); | |
| 159 | 7304 Type *tob = to->toBasetype(); |
| 7305 if (tob->ty == Tstruct && | |
| 1587 | 7306 !tob->equals(t1b) && |
| 159 | 7307 ((TypeStruct *)to)->sym->search(0, Id::call, 0) |
| 7308 ) | |
| 7309 { | |
| 7310 /* Look to replace: | |
| 7311 * cast(S)t | |
| 7312 * with: | |
| 7313 * S(t) | |
| 7314 */ | |
| 7315 | |
| 7316 // Rewrite as to.call(e1) | |
| 7317 e = new TypeExp(loc, to); | |
| 7318 e = new DotIdExp(loc, e, Id::call); | |
| 7319 e = new CallExp(loc, e, e1); | |
| 7320 e = e->semantic(sc); | |
| 7321 return e; | |
| 7322 } | |
| 1587 | 7323 |
| 7324 // Struct casts are possible only when the sizes match | |
| 7325 if (tob->ty == Tstruct || t1b->ty == Tstruct) | |
| 7326 { | |
| 7327 size_t fromsize = t1b->size(loc); | |
| 7328 size_t tosize = tob->size(loc); | |
| 7329 if (fromsize != tosize) | |
| 7330 { | |
| 7331 error("cannot cast from %s to %s", e1->type->toChars(), to->toChars()); | |
| 7332 return new ErrorExp(); | |
| 7333 } | |
| 7334 } | |
| 159 | 7335 } |
| 7336 e = e1->castTo(sc, to); | |
| 7337 return e; | |
| 7338 } | |
| 7339 | |
| 7340 int CastExp::checkSideEffect(int flag) | |
| 7341 { | |
| 7342 /* if not: | |
| 7343 * cast(void) | |
| 7344 * cast(classtype)func() | |
| 7345 */ | |
| 7346 if (!to->equals(Type::tvoid) && | |
| 7347 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7348 return Expression::checkSideEffect(flag); | |
| 7349 return 1; | |
| 7350 } | |
| 7351 | |
| 7352 void CastExp::checkEscape() | |
| 7353 { Type *tb = type->toBasetype(); | |
| 7354 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7355 e1->type->toBasetype()->ty == Tsarray) | |
| 7356 { VarExp *ve = (VarExp *)e1; | |
| 7357 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7358 if (v) | |
| 7359 { | |
| 7360 if (!v->isDataseg() && !v->isParameter()) | |
| 7361 error("escaping reference to local %s", v->toChars()); | |
| 7362 } | |
| 7363 } | |
| 7364 } | |
| 7365 | |
| 7366 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7367 { | |
| 7368 buf->writestring("cast("); | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7369 #if DMDV1 |
| 159 | 7370 to->toCBuffer(buf, NULL, hgs); |
|
875
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Merged DMD 1.038
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diff
changeset
|
7371 #else |
|
330f999ade44
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846
diff
changeset
|
7372 if (to) |
|
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Merged DMD 1.038
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diff
changeset
|
7373 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
7374 else |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7375 { |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7376 switch (mod) |
|
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Merged DMD 1.038
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diff
changeset
|
7377 { case 0: |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7378 break; |
|
330f999ade44
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diff
changeset
|
7379 case MODconst: |
|
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Merged DMD 1.038
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diff
changeset
|
7380 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7381 break; |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7382 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
7383 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7384 break; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7385 case MODshared: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7386 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7387 break; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7388 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7389 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7390 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7391 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7392 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7393 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7394 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7395 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7396 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7397 #endif |
| 159 | 7398 buf->writeByte(')'); |
| 7399 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7400 } | |
| 7401 | |
| 7402 | |
| 7403 /************************************************************/ | |
| 7404 | |
| 7405 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7406 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7407 { | |
| 7408 this->upr = upr; | |
| 7409 this->lwr = lwr; | |
| 7410 lengthVar = NULL; | |
| 7411 } | |
| 7412 | |
| 7413 Expression *SliceExp::syntaxCopy() | |
| 7414 { | |
| 7415 Expression *lwr = NULL; | |
| 7416 if (this->lwr) | |
| 7417 lwr = this->lwr->syntaxCopy(); | |
| 7418 | |
| 7419 Expression *upr = NULL; | |
| 7420 if (this->upr) | |
| 7421 upr = this->upr->syntaxCopy(); | |
| 7422 | |
| 7423 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7424 } | |
| 7425 | |
| 7426 Expression *SliceExp::semantic(Scope *sc) | |
| 7427 { Expression *e; | |
| 7428 AggregateDeclaration *ad; | |
| 7429 //FuncDeclaration *fd; | |
| 7430 ScopeDsymbol *sym; | |
| 7431 | |
| 7432 #if LOGSEMANTIC | |
| 7433 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7434 #endif | |
| 7435 if (type) | |
| 7436 return this; | |
| 7437 | |
| 7438 UnaExp::semantic(sc); | |
| 7439 e1 = resolveProperties(sc, e1); | |
| 7440 | |
| 7441 e = this; | |
| 7442 | |
| 7443 Type *t = e1->type->toBasetype(); | |
| 7444 if (t->ty == Tpointer) | |
| 7445 { | |
| 7446 if (!lwr || !upr) | |
| 7447 error("need upper and lower bound to slice pointer"); | |
| 7448 } | |
| 7449 else if (t->ty == Tarray) | |
| 7450 { | |
| 7451 } | |
| 7452 else if (t->ty == Tsarray) | |
| 7453 { | |
| 7454 } | |
| 7455 else if (t->ty == Tclass) | |
| 7456 { | |
| 7457 ad = ((TypeClass *)t)->sym; | |
| 7458 goto L1; | |
| 7459 } | |
| 7460 else if (t->ty == Tstruct) | |
| 7461 { | |
| 7462 ad = ((TypeStruct *)t)->sym; | |
| 7463 | |
| 7464 L1: | |
| 7465 if (search_function(ad, Id::slice)) | |
| 7466 { | |
| 7467 // Rewrite as e1.slice(lwr, upr) | |
| 7468 e = new DotIdExp(loc, e1, Id::slice); | |
| 7469 | |
| 7470 if (lwr) | |
| 7471 { | |
| 7472 assert(upr); | |
| 7473 e = new CallExp(loc, e, lwr, upr); | |
| 7474 } | |
| 7475 else | |
| 7476 { assert(!upr); | |
| 7477 e = new CallExp(loc, e); | |
| 7478 } | |
| 7479 e = e->semantic(sc); | |
| 7480 return e; | |
| 7481 } | |
| 7482 goto Lerror; | |
| 7483 } | |
| 7484 else if (t->ty == Ttuple) | |
| 7485 { | |
| 7486 if (!lwr && !upr) | |
| 7487 return e1; | |
| 7488 if (!lwr || !upr) | |
| 7489 { error("need upper and lower bound to slice tuple"); | |
| 7490 goto Lerror; | |
| 7491 } | |
| 7492 } | |
| 7493 else | |
| 7494 goto Lerror; | |
| 7495 | |
| 7496 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7497 { | |
| 7498 sym = new ArrayScopeSymbol(this); | |
| 7499 sym->loc = loc; | |
| 7500 sym->parent = sc->scopesym; | |
| 7501 sc = sc->push(sym); | |
| 7502 } | |
| 7503 | |
| 7504 if (lwr) | |
| 7505 { lwr = lwr->semantic(sc); | |
| 7506 lwr = resolveProperties(sc, lwr); | |
| 7507 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7508 } | |
| 7509 if (upr) | |
| 7510 { upr = upr->semantic(sc); | |
| 7511 upr = resolveProperties(sc, upr); | |
| 7512 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7513 } | |
| 7514 | |
| 7515 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7516 sc->pop(); | |
| 7517 | |
| 7518 if (t->ty == Ttuple) | |
| 7519 { | |
| 7520 lwr = lwr->optimize(WANTvalue); | |
| 7521 upr = upr->optimize(WANTvalue); | |
| 7522 uinteger_t i1 = lwr->toUInteger(); | |
| 7523 uinteger_t i2 = upr->toUInteger(); | |
| 7524 | |
| 7525 size_t length; | |
| 7526 TupleExp *te; | |
| 7527 TypeTuple *tup; | |
| 7528 | |
| 7529 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7530 { te = (TupleExp *)e1; | |
| 7531 length = te->exps->dim; | |
| 7532 } | |
| 7533 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7534 { tup = (TypeTuple *)t; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7535 length = Parameter::dim(tup->arguments); |
| 159 | 7536 } |
| 7537 else | |
| 7538 assert(0); | |
| 7539 | |
| 7540 if (i1 <= i2 && i2 <= length) | |
| 7541 { size_t j1 = (size_t) i1; | |
| 7542 size_t j2 = (size_t) i2; | |
| 7543 | |
| 7544 if (e1->op == TOKtuple) | |
| 7545 { Expressions *exps = new Expressions; | |
| 7546 exps->setDim(j2 - j1); | |
| 7547 for (size_t i = 0; i < j2 - j1; i++) | |
| 7548 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7549 exps->data[i] = (void *)e; | |
| 7550 } | |
| 7551 e = new TupleExp(loc, exps); | |
| 7552 } | |
| 7553 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7554 { Parameters *args = new Parameters; |
| 159 | 7555 args->reserve(j2 - j1); |
| 7556 for (size_t i = j1; i < j2; i++) | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7557 { Parameter *arg = Parameter::getNth(tup->arguments, i); |
| 159 | 7558 args->push(arg); |
| 7559 } | |
| 7560 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7561 } | |
| 7562 e = e->semantic(sc); | |
| 7563 } | |
| 7564 else | |
| 7565 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7566 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
7567 e = new IntegerExp(0); |
| 159 | 7568 } |
| 7569 return e; | |
| 7570 } | |
| 7571 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7572 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7573 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7574 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7575 type = t->nextOf()->arrayOf(); |
| 159 | 7576 return e; |
| 7577 | |
| 7578 Lerror: | |
| 7579 char *s; | |
| 7580 if (t->ty == Tvoid) | |
| 7581 s = e1->toChars(); | |
| 7582 else | |
| 7583 s = t->toChars(); | |
| 7584 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
|
7585 e = new IntegerExp(0); |
| 159 | 7586 return e; |
| 7587 } | |
| 7588 | |
| 7589 void SliceExp::checkEscape() | |
| 7590 { | |
| 7591 e1->checkEscape(); | |
| 7592 } | |
| 7593 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7594 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7595 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7596 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7597 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7598 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7599 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7600 |
| 159 | 7601 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7602 { | |
| 7603 return this; | |
| 7604 } | |
| 7605 | |
| 7606 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7607 { | |
| 7608 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7609 return this; | |
| 7610 } | |
| 7611 | |
| 7612 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7613 { | |
| 7614 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7615 buf->writeByte('['); | |
| 7616 if (upr || lwr) | |
| 7617 { | |
| 7618 if (lwr) | |
| 7619 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7620 else | |
| 7621 buf->writeByte('0'); | |
| 7622 buf->writestring(".."); | |
| 7623 if (upr) | |
| 7624 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7625 else | |
| 7626 buf->writestring("length"); // BUG: should be array.length | |
| 7627 } | |
| 7628 buf->writeByte(']'); | |
| 7629 } | |
| 7630 | |
| 7631 /********************** ArrayLength **************************************/ | |
| 7632 | |
| 7633 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7634 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7635 { | |
| 7636 } | |
| 7637 | |
| 7638 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7639 { Expression *e; | |
| 7640 | |
| 7641 #if LOGSEMANTIC | |
| 7642 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7643 #endif | |
| 7644 if (!type) | |
| 7645 { | |
| 7646 UnaExp::semantic(sc); | |
| 7647 e1 = resolveProperties(sc, e1); | |
| 7648 | |
| 7649 type = Type::tsize_t; | |
| 7650 } | |
| 7651 return this; | |
| 7652 } | |
| 7653 | |
| 7654 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7655 { | |
| 7656 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7657 buf->writestring(".length"); | |
| 7658 } | |
| 7659 | |
| 7660 /*********************** ArrayExp *************************************/ | |
| 7661 | |
| 7662 // e1 [ i1, i2, i3, ... ] | |
| 7663 | |
| 7664 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7665 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7666 { | |
| 7667 arguments = args; | |
| 7668 } | |
| 7669 | |
| 7670 Expression *ArrayExp::syntaxCopy() | |
| 7671 { | |
| 7672 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7673 } | |
| 7674 | |
| 7675 Expression *ArrayExp::semantic(Scope *sc) | |
| 7676 { Expression *e; | |
| 7677 Type *t1; | |
| 7678 | |
| 7679 #if LOGSEMANTIC | |
| 7680 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7681 #endif | |
| 7682 UnaExp::semantic(sc); | |
| 7683 e1 = resolveProperties(sc, e1); | |
| 7684 | |
| 7685 t1 = e1->type->toBasetype(); | |
| 7686 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7687 { // Convert to IndexExp | |
| 7688 if (arguments->dim != 1) | |
| 7689 error("only one index allowed to index %s", t1->toChars()); | |
| 7690 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7691 return e->semantic(sc); | |
| 7692 } | |
| 7693 | |
| 7694 // Run semantic() on each argument | |
| 7695 for (size_t i = 0; i < arguments->dim; i++) | |
| 7696 { e = (Expression *)arguments->data[i]; | |
| 7697 | |
| 7698 e = e->semantic(sc); | |
| 7699 if (!e->type) | |
| 7700 error("%s has no value", e->toChars()); | |
| 7701 arguments->data[i] = (void *)e; | |
| 7702 } | |
| 7703 | |
| 7704 expandTuples(arguments); | |
| 7705 assert(arguments && arguments->dim); | |
| 7706 | |
| 7707 e = op_overload(sc); | |
| 7708 if (!e) | |
| 7709 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7710 e = e1; | |
| 7711 } | |
| 7712 return e; | |
| 7713 } | |
| 7714 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7715 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7716 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7717 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7718 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7719 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7720 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7721 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7722 #endif |
| 159 | 7723 |
| 7724 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7725 { | |
| 7726 if (type && type->toBasetype()->ty == Tvoid) | |
| 7727 error("voids have no value"); | |
| 7728 return this; | |
| 7729 } | |
| 7730 | |
| 7731 | |
| 7732 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7733 { int i; | |
| 7734 | |
| 7735 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7736 buf->writeByte('['); | |
| 7737 argsToCBuffer(buf, arguments, hgs); | |
| 7738 buf->writeByte(']'); | |
| 7739 } | |
| 7740 | |
| 7741 /************************* DotExp ***********************************/ | |
| 7742 | |
| 7743 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7744 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7745 { | |
| 7746 } | |
| 7747 | |
| 7748 Expression *DotExp::semantic(Scope *sc) | |
| 7749 { | |
| 7750 #if LOGSEMANTIC | |
| 7751 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7752 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7753 #endif | |
| 7754 e1 = e1->semantic(sc); | |
| 7755 e2 = e2->semantic(sc); | |
| 7756 if (e2->op == TOKimport) | |
| 7757 { | |
| 7758 ScopeExp *se = (ScopeExp *)e2; | |
| 7759 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7760 if (td) | |
| 7761 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7762 e = e->semantic(sc); | |
| 7763 return e; | |
| 7764 } | |
| 7765 } | |
| 7766 if (!type) | |
| 7767 type = e2->type; | |
| 7768 return this; | |
| 7769 } | |
| 7770 | |
| 7771 | |
| 7772 /************************* CommaExp ***********************************/ | |
| 7773 | |
| 7774 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7775 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7776 { | |
| 7777 } | |
| 7778 | |
| 7779 Expression *CommaExp::semantic(Scope *sc) | |
| 7780 { | |
| 7781 if (!type) | |
| 7782 { BinExp::semanticp(sc); | |
| 7783 type = e2->type; | |
| 7784 } | |
| 7785 return this; | |
| 7786 } | |
| 7787 | |
| 7788 void CommaExp::checkEscape() | |
| 7789 { | |
| 7790 e2->checkEscape(); | |
| 7791 } | |
| 7792 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7793 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7794 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7795 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7796 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7797 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7798 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7799 |
| 159 | 7800 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7801 { | |
| 7802 e2 = e2->toLvalue(sc, NULL); | |
| 7803 return this; | |
| 7804 } | |
| 7805 | |
| 7806 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7807 { | |
| 7808 e2 = e2->modifiableLvalue(sc, e); | |
| 7809 return this; | |
| 7810 } | |
| 7811 | |
| 7812 int CommaExp::isBool(int result) | |
| 7813 { | |
| 7814 return e2->isBool(result); | |
| 7815 } | |
| 7816 | |
| 7817 int CommaExp::checkSideEffect(int flag) | |
| 7818 { | |
| 7819 if (flag == 2) | |
| 7820 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7821 else | |
| 7822 { | |
| 7823 // Don't check e1 until we cast(void) the a,b code generation | |
| 7824 return e2->checkSideEffect(flag); | |
| 7825 } | |
| 7826 } | |
| 7827 | |
| 7828 /************************** IndexExp **********************************/ | |
| 7829 | |
| 7830 // e1 [ e2 ] | |
| 7831 | |
| 7832 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7833 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7834 { | |
| 7835 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7836 lengthVar = NULL; | |
| 7837 modifiable = 0; // assume it is an rvalue | |
| 7838 } | |
| 7839 | |
| 7840 Expression *IndexExp::semantic(Scope *sc) | |
| 7841 { Expression *e; | |
| 7842 BinExp *b; | |
| 7843 UnaExp *u; | |
| 7844 Type *t1; | |
| 7845 ScopeDsymbol *sym; | |
| 7846 | |
| 7847 #if LOGSEMANTIC | |
| 7848 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7849 #endif | |
| 7850 if (type) | |
| 7851 return this; | |
| 7852 if (!e1->type) | |
| 7853 e1 = e1->semantic(sc); | |
| 7854 assert(e1->type); // semantic() should already be run on it | |
| 7855 e = this; | |
| 7856 | |
| 7857 // Note that unlike C we do not implement the int[ptr] | |
| 7858 | |
| 7859 t1 = e1->type->toBasetype(); | |
| 7860 | |
| 7861 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7862 { // Create scope for 'length' variable | |
| 7863 sym = new ArrayScopeSymbol(this); | |
| 7864 sym->loc = loc; | |
| 7865 sym->parent = sc->scopesym; | |
| 7866 sc = sc->push(sym); | |
| 7867 } | |
| 7868 | |
| 7869 e2 = e2->semantic(sc); | |
| 7870 if (!e2->type) | |
| 7871 { | |
| 7872 error("%s has no value", e2->toChars()); | |
| 7873 e2->type = Type::terror; | |
| 7874 } | |
| 7875 e2 = resolveProperties(sc, e2); | |
| 7876 | |
| 7877 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7878 sc = sc->pop(); | |
| 7879 | |
| 7880 switch (t1->ty) | |
| 7881 { | |
| 7882 case Tpointer: | |
| 7883 case Tarray: | |
| 7884 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7885 e->type = t1->next; | |
| 7886 break; | |
| 7887 | |
| 7888 case Tsarray: | |
| 7889 { | |
| 7890 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7891 | |
| 7892 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7893 | |
| 7894 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7895 // Do compile time array bounds checking if possible | |
| 7896 e2 = e2->optimize(WANTvalue); | |
| 7897 if (e2->op == TOKint64) | |
| 7898 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7899 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7900 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7901 if (index < 0 || index >= length) |
| 7902 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7903 index, length); | |
| 7904 } | |
| 7905 #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
|
7906 e->type = t1->nextOf(); |
| 159 | 7907 break; |
| 7908 } | |
| 7909 | |
| 7910 case Taarray: | |
| 7911 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7912 | |
| 7913 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7914 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7915 type = taa->next; | |
| 7916 break; | |
| 7917 } | |
| 7918 | |
| 7919 case Ttuple: | |
| 7920 { | |
| 7921 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7922 e2 = e2->optimize(WANTvalue); | |
| 7923 uinteger_t index = e2->toUInteger(); | |
| 7924 size_t length; | |
| 7925 TupleExp *te; | |
| 7926 TypeTuple *tup; | |
| 7927 | |
| 7928 if (e1->op == TOKtuple) | |
| 7929 { te = (TupleExp *)e1; | |
| 7930 length = te->exps->dim; | |
| 7931 } | |
| 7932 else if (e1->op == TOKtype) | |
| 7933 { | |
| 7934 tup = (TypeTuple *)t1; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7935 length = Parameter::dim(tup->arguments); |
| 159 | 7936 } |
| 7937 else | |
| 7938 assert(0); | |
| 7939 | |
| 7940 if (index < length) | |
| 7941 { | |
| 7942 | |
| 7943 if (e1->op == TOKtuple) | |
| 7944 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7945 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7946 e = new TypeExp(e1->loc, Parameter::getNth(tup->arguments, (size_t)index)->type); |
| 159 | 7947 } |
| 7948 else | |
| 7949 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7950 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
|
7951 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7952 e = e1; |
| 159 | 7953 } |
| 7954 break; | |
| 7955 } | |
| 7956 | |
| 7957 default: | |
| 7958 error("%s must be an array or pointer type, not %s", | |
| 7959 e1->toChars(), e1->type->toChars()); | |
| 7960 type = Type::tint32; | |
| 7961 break; | |
| 7962 } | |
| 7963 return e; | |
| 7964 } | |
| 7965 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7966 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7967 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7968 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7969 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7970 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7971 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7972 |
| 159 | 7973 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7974 { | |
| 7975 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7976 // error("voids have no value"); | |
| 7977 return this; | |
| 7978 } | |
| 7979 | |
| 7980 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7981 { | |
| 7982 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7983 modifiable = 1; | |
| 7984 if (e1->op == TOKstring) | |
| 7985 error("string literals are immutable"); | |
| 7986 if (e1->type->toBasetype()->ty == Taarray) | |
| 7987 e1 = e1->modifiableLvalue(sc, e1); | |
| 7988 return toLvalue(sc, e); | |
| 7989 } | |
| 7990 | |
| 7991 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7992 { | |
| 7993 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7994 buf->writeByte('['); | |
| 7995 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7996 buf->writeByte(']'); | |
| 7997 } | |
| 7998 | |
| 7999 | |
| 8000 /************************* PostExp ***********************************/ | |
| 8001 | |
| 8002 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 8003 : BinExp(loc, op, sizeof(PostExp), e, | |
| 8004 new IntegerExp(loc, 1, Type::tint32)) | |
| 8005 { | |
| 8006 } | |
| 8007 | |
| 8008 Expression *PostExp::semantic(Scope *sc) | |
| 8009 { Expression *e = this; | |
| 8010 | |
| 8011 if (!type) | |
| 8012 { | |
| 8013 BinExp::semantic(sc); | |
| 8014 e2 = resolveProperties(sc, e2); | |
| 8015 | |
| 8016 e = op_overload(sc); | |
| 8017 if (e) | |
| 8018 return e; | |
| 8019 | |
| 8020 e = this; | |
| 8021 e1 = e1->modifiableLvalue(sc, e1); | |
| 8022 e1->checkScalar(); | |
| 8023 e1->checkNoBool(); | |
| 8024 if (e1->type->ty == Tpointer) | |
| 8025 e = scaleFactor(sc); | |
| 8026 else | |
| 8027 e2 = e2->castTo(sc, e1->type); | |
| 8028 e->type = e1->type; | |
| 8029 } | |
| 8030 return e; | |
| 8031 } | |
| 8032 | |
| 8033 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8034 { | |
| 8035 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 8036 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 8037 } | |
| 8038 | |
| 8039 /************************************************************/ | |
| 8040 | |
| 1587 | 8041 /* op can be TOKassign, TOKconstruct, or TOKblit */ |
| 159 | 8042 |
| 8043 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8044 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 8045 { | |
| 8046 ismemset = 0; | |
| 8047 } | |
| 8048 | |
| 8049 Expression *AssignExp::semantic(Scope *sc) | |
| 1587 | 8050 { |
| 159 | 8051 Expression *e1old = e1; |
| 8052 | |
| 8053 #if LOGSEMANTIC | |
| 8054 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 8055 #endif | |
| 8056 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 1587 | 8057 //printf("e2->op = %d, '%s'\n", e2->op, Token::toChars(e2->op)); |
| 8058 | |
| 8059 if (type) | |
| 8060 return this; | |
| 8061 | |
| 8062 if (e2->op == TOKcomma) | |
| 8063 { /* Rewrite to get rid of the comma from rvalue | |
| 8064 */ | |
| 8065 AssignExp *ea = new AssignExp(loc, e1, ((CommaExp *)e2)->e2); | |
| 8066 ea->op = op; | |
| 8067 Expression *e = new CommaExp(loc, ((CommaExp *)e2)->e1, ea); | |
| 8068 return e->semantic(sc); | |
| 8069 } | |
| 159 | 8070 |
| 8071 /* Look for operator overloading of a[i]=value. | |
| 8072 * Do it before semantic() otherwise the a[i] will have been | |
| 8073 * converted to a.opIndex() already. | |
| 8074 */ | |
| 8075 if (e1->op == TOKarray) | |
| 1587 | 8076 { |
| 159 | 8077 ArrayExp *ae = (ArrayExp *)e1; |
| 8078 AggregateDeclaration *ad; | |
| 8079 Identifier *id = Id::index; | |
| 8080 | |
| 8081 ae->e1 = ae->e1->semantic(sc); | |
| 1587 | 8082 Type *t1 = ae->e1->type->toBasetype(); |
| 159 | 8083 if (t1->ty == Tstruct) |
| 8084 { | |
| 8085 ad = ((TypeStruct *)t1)->sym; | |
| 8086 goto L1; | |
| 8087 } | |
| 8088 else if (t1->ty == Tclass) | |
| 8089 { | |
| 8090 ad = ((TypeClass *)t1)->sym; | |
| 8091 L1: | |
| 8092 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 8093 if (search_function(ad, Id::indexass)) | |
| 8094 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 8095 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 8096 | |
| 8097 a->insert(0, e2); | |
| 8098 e = new CallExp(loc, e, a); | |
| 8099 e = e->semantic(sc); | |
| 8100 return e; | |
| 8101 } | |
| 8102 else | |
| 8103 { | |
| 8104 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 8105 if (search_function(ad, id)) | |
| 8106 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 8107 | |
| 8108 if (1 || !global.params.useDeprecated) | |
| 8109 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 8110 | |
| 8111 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 8112 e = e->semantic(sc); | |
| 8113 return e; | |
| 8114 } | |
| 8115 } | |
| 8116 } | |
| 8117 } | |
| 8118 /* Look for operator overloading of a[i..j]=value. | |
| 8119 * Do it before semantic() otherwise the a[i..j] will have been | |
| 8120 * converted to a.opSlice() already. | |
| 8121 */ | |
| 8122 if (e1->op == TOKslice) | |
| 8123 { Type *t1; | |
| 8124 SliceExp *ae = (SliceExp *)e1; | |
| 8125 AggregateDeclaration *ad; | |
| 8126 Identifier *id = Id::index; | |
| 8127 | |
| 8128 ae->e1 = ae->e1->semantic(sc); | |
| 8129 ae->e1 = resolveProperties(sc, ae->e1); | |
| 8130 t1 = ae->e1->type->toBasetype(); | |
| 8131 if (t1->ty == Tstruct) | |
| 8132 { | |
| 8133 ad = ((TypeStruct *)t1)->sym; | |
| 8134 goto L2; | |
| 8135 } | |
| 8136 else if (t1->ty == Tclass) | |
| 8137 { | |
| 8138 ad = ((TypeClass *)t1)->sym; | |
| 8139 L2: | |
| 8140 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 8141 if (search_function(ad, Id::sliceass)) | |
| 8142 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 8143 Expressions *a = new Expressions(); | |
| 8144 | |
| 8145 a->push(e2); | |
| 8146 if (ae->lwr) | |
| 8147 { a->push(ae->lwr); | |
| 8148 assert(ae->upr); | |
| 8149 a->push(ae->upr); | |
| 8150 } | |
| 8151 else | |
| 8152 assert(!ae->upr); | |
| 8153 e = new CallExp(loc, e, a); | |
| 8154 e = e->semantic(sc); | |
| 8155 return e; | |
| 8156 } | |
| 8157 } | |
| 8158 } | |
| 8159 | |
| 8160 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8161 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8162 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8163 { // 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
|
8164 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8165 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8166 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8167 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8168 |
| 159 | 8169 e2 = resolveProperties(sc, e2); |
| 8170 assert(e1->type); | |
| 8171 | |
| 8172 /* Rewrite tuple assignment as a tuple of assignments. | |
| 8173 */ | |
| 8174 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 8175 { TupleExp *tup1 = (TupleExp *)e1; | |
| 8176 TupleExp *tup2 = (TupleExp *)e2; | |
| 8177 size_t dim = tup1->exps->dim; | |
| 8178 if (dim != tup2->exps->dim) | |
| 8179 { | |
| 8180 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 8181 } | |
| 8182 else | |
| 8183 { Expressions *exps = new Expressions; | |
| 8184 exps->setDim(dim); | |
| 8185 | |
| 8186 for (int i = 0; i < dim; i++) | |
| 8187 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 8188 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 8189 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 8190 } | |
| 8191 Expression *e = new TupleExp(loc, exps); | |
| 8192 e = e->semantic(sc); | |
| 8193 return e; | |
| 8194 } | |
| 8195 } | |
| 8196 | |
| 1587 | 8197 // Determine if this is an initialization of a reference |
| 8198 int refinit = 0; | |
| 8199 if (op == TOKconstruct && e1->op == TOKvar) | |
| 8200 { VarExp *ve = (VarExp *)e1; | |
| 8201 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 8202 if (v->storage_class & (STCout | STCref)) | |
| 8203 refinit = 1; | |
| 8204 } | |
| 8205 | |
| 8206 Type *t1 = e1->type->toBasetype(); | |
| 159 | 8207 |
| 8208 if (t1->ty == Tfunction) | |
| 8209 { // Rewrite f=value to f(value) | |
| 1587 | 8210 Expression *e = new CallExp(loc, e1, e2); |
| 159 | 8211 e = e->semantic(sc); |
| 8212 return e; | |
| 8213 } | |
| 8214 | |
| 8215 /* If it is an assignment from a 'foreign' type, | |
| 8216 * check for operator overloading. | |
| 8217 */ | |
| 8218 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 8219 { | |
| 8220 if (!e2->type->implicitConvTo(e1->type)) | |
| 8221 { | |
| 8222 Expression *e = op_overload(sc); | |
| 8223 if (e) | |
| 8224 return e; | |
| 8225 } | |
| 8226 } | |
| 8227 | |
| 8228 e2->rvalue(); | |
| 8229 | |
| 8230 if (e1->op == TOKarraylength) | |
| 8231 { | |
| 8232 // e1 is not an lvalue, but we let code generator handle it | |
| 8233 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 8234 | |
| 8235 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 8236 } | |
| 8237 else if (e1->op == TOKslice) | |
| 8238 ; | |
| 8239 else | |
| 8240 { // Try to do a decent error message with the expression | |
| 8241 // before it got constant folded | |
| 1587 | 8242 if (op != TOKconstruct) |
| 8243 e1 = e1->modifiableLvalue(sc, e1old); | |
| 159 | 8244 } |
| 8245 | |
| 8246 if (e1->op == TOKslice && | |
| 8247 t1->nextOf() && | |
| 8248 e2->implicitConvTo(t1->nextOf()) | |
| 8249 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 8250 ) | |
| 8251 { // memset | |
| 8252 ismemset = 1; // make it easy for back end to tell what this is | |
| 8253 e2 = e2->implicitCastTo(sc, t1->next); | |
| 8254 } | |
| 1587 | 8255 else if (t1->ty == Tsarray && !refinit) |
| 159 | 8256 { |
| 8257 error("cannot assign to static array %s", e1->toChars()); | |
| 8258 } | |
| 8259 else | |
| 8260 { | |
| 8261 e2 = e2->implicitCastTo(sc, e1->type); | |
| 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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8264 /* 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
|
8265 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8266 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
|
8267 (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
|
8268 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
|
8269 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
|
8270 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
|
8271 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
|
8272 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8273 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
|
8274 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
|
8275 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8276 |
| 159 | 8277 type = e1->type; |
| 8278 assert(type); | |
| 8279 return this; | |
| 8280 } | |
| 8281 | |
| 8282 Expression *AssignExp::checkToBoolean() | |
| 8283 { | |
| 8284 // Things like: | |
| 8285 // if (a = b) ... | |
| 8286 // are usually mistakes. | |
| 8287 | |
| 8288 error("'=' does not give a boolean result"); | |
| 8289 return this; | |
| 8290 } | |
| 8291 | |
| 8292 /************************************************************/ | |
| 8293 | |
| 8294 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8295 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 8296 { | |
| 8297 } | |
| 8298 | |
| 8299 Expression *AddAssignExp::semantic(Scope *sc) | |
| 8300 { Expression *e; | |
| 8301 | |
| 8302 if (type) | |
| 8303 return this; | |
| 8304 | |
| 8305 BinExp::semantic(sc); | |
| 8306 e2 = resolveProperties(sc, e2); | |
| 8307 | |
| 8308 e = op_overload(sc); | |
| 8309 if (e) | |
| 8310 return e; | |
| 8311 | |
| 8312 Type *tb1 = e1->type->toBasetype(); | |
| 8313 Type *tb2 = e2->type->toBasetype(); | |
| 8314 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8315 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
|
8316 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8317 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
|
8318 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
|
8319 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
|
8320 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8321 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8322 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8323 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
|
8324 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8325 |
| 159 | 8326 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8327 (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
|
8328 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8329 ) |
| 8330 { | |
| 8331 type = e1->type; | |
| 8332 e = this; | |
| 8333 } | |
| 8334 else | |
| 8335 { | |
| 8336 e1->checkScalar(); | |
| 8337 e1->checkNoBool(); | |
| 8338 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8339 e = scaleFactor(sc); | |
| 8340 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8341 { | |
| 8342 #if 0 | |
| 8343 // Need to rethink this | |
| 8344 if (e1->op != TOKvar) | |
| 8345 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8346 VarDeclaration *v; | |
| 8347 Expression *ea; | |
| 8348 Expression *ex; | |
| 8349 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8350 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8351 |
| 8352 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8353 v->semantic(sc); | |
| 8354 if (!sc->insert(v)) | |
| 8355 assert(0); | |
| 8356 v->parent = sc->func; | |
| 8357 | |
| 8358 ea = new AddrExp(loc, e1); | |
| 8359 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8360 | |
| 8361 ex = new VarExp(loc, v); | |
| 8362 ex = new PtrExp(loc, ex); | |
| 8363 e = new AddExp(loc, ex, e2); | |
| 8364 e = new CastExp(loc, e, e1->type); | |
| 8365 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8366 | |
| 8367 e = new CommaExp(loc, ea, e); | |
| 8368 } | |
| 8369 else | |
| 8370 #endif | |
| 8371 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8372 // BUG: doesn't account for side effects in e1 | |
| 8373 // BUG: other assignment operators for bits aren't handled at all | |
| 8374 e = new AddExp(loc, e1, e2); | |
| 8375 e = new CastExp(loc, e, e1->type); | |
| 8376 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8377 } | |
| 8378 e = e->semantic(sc); | |
| 8379 } | |
| 8380 else | |
| 8381 { | |
| 8382 type = e1->type; | |
| 8383 typeCombine(sc); | |
| 8384 e1->checkArithmetic(); | |
| 8385 e2->checkArithmetic(); | |
| 1587 | 8386 checkComplexAddAssign(); |
| 159 | 8387 if (type->isreal() || type->isimaginary()) |
| 8388 { | |
| 8389 assert(global.errors || e2->type->isfloating()); | |
| 8390 e2 = e2->castTo(sc, e1->type); | |
| 8391 } | |
| 8392 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8393 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8394 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
|
8395 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8396 } |
| 8397 } | |
| 8398 return e; | |
| 8399 } | |
| 8400 | |
| 8401 /************************************************************/ | |
| 8402 | |
| 8403 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8404 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8405 { | |
| 8406 } | |
| 8407 | |
| 8408 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8409 { Expression *e; | |
| 8410 | |
| 8411 if (type) | |
| 8412 return this; | |
| 8413 | |
| 8414 BinExp::semantic(sc); | |
| 8415 e2 = resolveProperties(sc, e2); | |
| 8416 | |
| 8417 e = op_overload(sc); | |
| 8418 if (e) | |
| 8419 return e; | |
| 8420 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8421 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
|
8422 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8423 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
|
8424 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
|
8425 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
|
8426 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8427 |
| 159 | 8428 e1 = e1->modifiableLvalue(sc, e1); |
| 8429 e1->checkScalar(); | |
| 8430 e1->checkNoBool(); | |
| 8431 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8432 e = scaleFactor(sc); | |
| 8433 else | |
| 8434 { | |
| 8435 e1 = e1->checkArithmetic(); | |
| 8436 e2 = e2->checkArithmetic(); | |
| 1587 | 8437 checkComplexAddAssign(); |
| 159 | 8438 type = e1->type; |
| 8439 typeCombine(sc); | |
| 8440 if (type->isreal() || type->isimaginary()) | |
| 8441 { | |
| 8442 assert(e2->type->isfloating()); | |
| 8443 e2 = e2->castTo(sc, e1->type); | |
| 8444 } | |
| 8445 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8446 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8447 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
|
8448 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8449 } |
| 8450 return e; | |
| 8451 } | |
| 8452 | |
| 8453 /************************************************************/ | |
| 8454 | |
| 8455 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8456 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8457 { | |
| 8458 } | |
| 8459 | |
| 8460 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8461 { Expression *e; | |
| 8462 | |
| 8463 BinExp::semantic(sc); | |
| 8464 e2 = resolveProperties(sc, e2); | |
| 8465 | |
| 8466 e = op_overload(sc); | |
| 8467 if (e) | |
| 8468 return e; | |
| 8469 | |
| 8470 if (e1->op == TOKslice) | |
| 8471 { SliceExp *se = (SliceExp *)e1; | |
| 8472 | |
| 8473 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8474 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8475 } | |
| 8476 | |
| 8477 e1 = e1->modifiableLvalue(sc, e1); | |
| 8478 | |
| 8479 Type *tb1 = e1->type->toBasetype(); | |
| 8480 Type *tb2 = e2->type->toBasetype(); | |
| 8481 | |
| 8482 e2->rvalue(); | |
| 8483 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8484 Type *tb1next = tb1->nextOf(); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8485 |
| 159 | 8486 if ((tb1->ty == Tarray) && |
| 8487 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8488 (e2->implicitConvTo(e1->type) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8489 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8490 || tb2->nextOf()->implicitConvTo(tb1next) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8491 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8492 ) |
| 159 | 8493 ) |
| 8494 { // Append array | |
| 8495 e2 = e2->castTo(sc, e1->type); | |
| 8496 type = e1->type; | |
| 8497 e = this; | |
| 8498 } | |
| 8499 else if ((tb1->ty == Tarray) && | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8500 e2->implicitConvTo(tb1next) |
| 159 | 8501 ) |
| 8502 { // Append element | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8503 e2 = e2->castTo(sc, tb1next); |
| 159 | 8504 type = e1->type; |
| 8505 e = this; | |
| 8506 } | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8507 else if (tb1->ty == Tarray && |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8508 (tb1next->ty == Tchar || tb1next->ty == Twchar) && |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8509 e2->implicitConvTo(Type::tdchar) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8510 ) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8511 { // Append dchar to char[] or wchar[] |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8512 e2 = e2->castTo(sc, Type::tdchar); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8513 type = e1->type; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8514 e = this; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8515 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8516 /* Do not allow appending wchar to char[] because if wchar happens |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8517 * to be a surrogate pair, nothing good can result. |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8518 */ |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8519 } |
| 159 | 8520 else |
| 8521 { | |
| 8522 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8523 e = new ErrorExp(); |
| 159 | 8524 } |
| 8525 return e; | |
| 8526 } | |
| 8527 | |
| 8528 /************************************************************/ | |
| 8529 | |
| 8530 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8531 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8532 { | |
| 8533 } | |
| 8534 | |
| 8535 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8536 { Expression *e; | |
| 8537 | |
| 8538 BinExp::semantic(sc); | |
| 8539 e2 = resolveProperties(sc, e2); | |
| 8540 | |
| 8541 e = op_overload(sc); | |
| 8542 if (e) | |
| 8543 return e; | |
| 8544 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8545 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8546 if (e1->op == TOKarraylength) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8547 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8548 e = ArrayLengthExp::rewriteOpAssign(this); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8549 e = e->semantic(sc); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8550 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8551 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8552 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8553 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8554 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
|
8555 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8556 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
|
8557 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
|
8558 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
|
8559 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8560 |
| 159 | 8561 e1 = e1->modifiableLvalue(sc, e1); |
| 8562 e1->checkScalar(); | |
| 8563 e1->checkNoBool(); | |
| 8564 type = e1->type; | |
| 8565 typeCombine(sc); | |
| 8566 e1->checkArithmetic(); | |
| 8567 e2->checkArithmetic(); | |
| 1587 | 8568 checkComplexMulAssign(); |
| 159 | 8569 if (e2->type->isfloating()) |
| 8570 { Type *t1; | |
| 8571 Type *t2; | |
| 8572 | |
| 8573 t1 = e1->type; | |
| 8574 t2 = e2->type; | |
| 8575 if (t1->isreal()) | |
| 8576 { | |
| 8577 if (t2->isimaginary() || t2->iscomplex()) | |
| 8578 { | |
| 8579 e2 = e2->castTo(sc, t1); | |
| 8580 } | |
| 8581 } | |
| 8582 else if (t1->isimaginary()) | |
| 8583 { | |
| 8584 if (t2->isimaginary() || t2->iscomplex()) | |
| 8585 { | |
| 8586 switch (t1->ty) | |
| 8587 { | |
| 8588 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8589 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8590 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8591 default: | |
| 8592 assert(0); | |
| 8593 } | |
| 8594 e2 = e2->castTo(sc, t2); | |
| 8595 } | |
| 8596 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8597 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8598 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
|
8599 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8600 } |
| 8601 return this; | |
| 8602 } | |
| 8603 | |
| 8604 /************************************************************/ | |
| 8605 | |
| 8606 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8607 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8608 { | |
| 8609 } | |
| 8610 | |
| 8611 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8612 { Expression *e; | |
| 8613 | |
| 8614 BinExp::semantic(sc); | |
| 8615 e2 = resolveProperties(sc, e2); | |
| 8616 | |
| 8617 e = op_overload(sc); | |
| 8618 if (e) | |
| 8619 return e; | |
| 8620 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8621 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8622 if (e1->op == TOKarraylength) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8623 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8624 e = ArrayLengthExp::rewriteOpAssign(this); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8625 e = e->semantic(sc); |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8626 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8627 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8628 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8629 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8630 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
|
8631 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8632 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
|
8633 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
|
8634 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
|
8635 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8636 |
| 159 | 8637 e1 = e1->modifiableLvalue(sc, e1); |
| 8638 e1->checkScalar(); | |
| 8639 e1->checkNoBool(); | |
| 8640 type = e1->type; | |
| 8641 typeCombine(sc); | |
| 8642 e1->checkArithmetic(); | |
| 8643 e2->checkArithmetic(); | |
| 1587 | 8644 checkComplexMulAssign(); |
| 159 | 8645 if (e2->type->isimaginary()) |
| 8646 { Type *t1; | |
| 8647 Type *t2; | |
| 8648 | |
| 8649 t1 = e1->type; | |
| 8650 if (t1->isreal()) | |
| 8651 { // x/iv = i(-x/v) | |
| 8652 // Therefore, the result is 0 | |
| 8653 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8654 e2->type = t1; | |
| 8655 e = new AssignExp(loc, e1, e2); | |
| 8656 e->type = t1; | |
| 8657 return e; | |
| 8658 } | |
| 8659 else if (t1->isimaginary()) | |
| 8660 { Expression *e; | |
| 8661 | |
| 8662 switch (t1->ty) | |
| 8663 { | |
| 8664 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8665 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8666 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8667 default: | |
| 8668 assert(0); | |
| 8669 } | |
| 8670 e2 = e2->castTo(sc, t2); | |
| 8671 e = new AssignExp(loc, e1, e2); | |
| 8672 e->type = t1; | |
| 8673 return e; | |
| 8674 } | |
| 8675 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8676 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8677 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
|
8678 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
|
8679 |
| 159 | 8680 return this; |
| 8681 } | |
| 8682 | |
| 8683 /************************************************************/ | |
| 8684 | |
| 8685 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8686 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8687 { | |
| 8688 } | |
| 8689 | |
| 8690 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8691 { | |
| 1587 | 8692 BinExp::semantic(sc); |
| 8693 checkComplexMulAssign(); | |
| 159 | 8694 return commonSemanticAssign(sc); |
| 8695 } | |
| 8696 | |
| 8697 /************************************************************/ | |
| 8698 | |
| 8699 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8700 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8701 { | |
| 8702 } | |
| 8703 | |
| 8704 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8705 { Expression *e; | |
| 8706 | |
| 8707 //printf("ShlAssignExp::semantic()\n"); | |
| 8708 BinExp::semantic(sc); | |
| 8709 e2 = resolveProperties(sc, e2); | |
| 8710 | |
| 8711 e = op_overload(sc); | |
| 8712 if (e) | |
| 8713 return e; | |
| 8714 | |
| 8715 e1 = e1->modifiableLvalue(sc, e1); | |
| 8716 e1->checkScalar(); | |
| 8717 e1->checkNoBool(); | |
| 8718 type = e1->type; | |
| 8719 typeCombine(sc); | |
| 8720 e1->checkIntegral(); | |
| 8721 e2 = e2->checkIntegral(); | |
| 8722 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8723 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8724 return this; |
| 8725 } | |
| 8726 | |
| 8727 /************************************************************/ | |
| 8728 | |
| 8729 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8730 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8731 { | |
| 8732 } | |
| 8733 | |
| 8734 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8735 { Expression *e; | |
| 8736 | |
| 8737 BinExp::semantic(sc); | |
| 8738 e2 = resolveProperties(sc, e2); | |
| 8739 | |
| 8740 e = op_overload(sc); | |
| 8741 if (e) | |
| 8742 return e; | |
| 8743 | |
| 8744 e1 = e1->modifiableLvalue(sc, e1); | |
| 8745 e1->checkScalar(); | |
| 8746 e1->checkNoBool(); | |
| 8747 type = e1->type; | |
| 8748 typeCombine(sc); | |
| 8749 e1->checkIntegral(); | |
| 8750 e2 = e2->checkIntegral(); | |
| 8751 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8752 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8753 return this; |
| 8754 } | |
| 8755 | |
| 8756 /************************************************************/ | |
| 8757 | |
| 8758 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8759 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8760 { | |
| 8761 } | |
| 8762 | |
| 8763 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8764 { Expression *e; | |
| 8765 | |
| 8766 BinExp::semantic(sc); | |
| 8767 e2 = resolveProperties(sc, e2); | |
| 8768 | |
| 8769 e = op_overload(sc); | |
| 8770 if (e) | |
| 8771 return e; | |
| 8772 | |
| 8773 e1 = e1->modifiableLvalue(sc, e1); | |
| 8774 e1->checkScalar(); | |
| 8775 e1->checkNoBool(); | |
| 8776 type = e1->type; | |
| 8777 typeCombine(sc); | |
| 8778 e1->checkIntegral(); | |
| 8779 e2 = e2->checkIntegral(); | |
| 8780 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8781 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8782 return this; |
| 8783 } | |
| 8784 | |
| 8785 /************************************************************/ | |
| 8786 | |
| 8787 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8788 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8789 { | |
| 8790 } | |
| 8791 | |
| 8792 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8793 { | |
| 8794 return commonSemanticAssignIntegral(sc); | |
| 8795 } | |
| 8796 | |
| 8797 /************************************************************/ | |
| 8798 | |
| 8799 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8800 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8801 { | |
| 8802 } | |
| 8803 | |
| 8804 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8805 { | |
| 8806 return commonSemanticAssignIntegral(sc); | |
| 8807 } | |
| 8808 | |
| 8809 /************************************************************/ | |
| 8810 | |
| 8811 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8812 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8813 { | |
| 8814 } | |
| 8815 | |
| 8816 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8817 { | |
| 8818 return commonSemanticAssignIntegral(sc); | |
| 8819 } | |
| 8820 | |
| 8821 /************************* AddExp *****************************/ | |
| 8822 | |
| 8823 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8824 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8825 { | |
| 8826 } | |
| 8827 | |
| 8828 Expression *AddExp::semantic(Scope *sc) | |
| 8829 { Expression *e; | |
| 8830 | |
| 8831 #if LOGSEMANTIC | |
| 8832 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8833 #endif | |
| 8834 if (!type) | |
| 8835 { | |
| 8836 BinExp::semanticp(sc); | |
| 8837 | |
| 8838 e = op_overload(sc); | |
| 8839 if (e) | |
| 8840 return e; | |
| 8841 | |
| 8842 Type *tb1 = e1->type->toBasetype(); | |
| 8843 Type *tb2 = e2->type->toBasetype(); | |
| 8844 | |
| 8845 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8846 (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
|
8847 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8848 ) |
| 8849 { | |
| 8850 type = e1->type; | |
| 8851 e = this; | |
| 8852 } | |
| 8853 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8854 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8855 e = scaleFactor(sc); | |
| 8856 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8857 { | |
| 8858 incompatibleTypes(); | |
| 8859 type = e1->type; | |
| 8860 e = this; | |
| 8861 } | |
| 8862 else | |
| 8863 { | |
| 8864 typeCombine(sc); | |
| 8865 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8866 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8867 { | |
| 8868 switch (type->toBasetype()->ty) | |
| 8869 { | |
| 8870 case Tfloat32: | |
| 8871 case Timaginary32: | |
| 8872 type = Type::tcomplex32; | |
| 8873 break; | |
| 8874 | |
| 8875 case Tfloat64: | |
| 8876 case Timaginary64: | |
| 8877 type = Type::tcomplex64; | |
| 8878 break; | |
| 8879 | |
| 8880 case Tfloat80: | |
| 8881 case Timaginary80: | |
| 8882 type = Type::tcomplex80; | |
| 8883 break; | |
| 8884 | |
| 8885 default: | |
| 8886 assert(0); | |
| 8887 } | |
| 8888 } | |
| 8889 e = this; | |
| 8890 } | |
| 8891 return e; | |
| 8892 } | |
| 8893 return this; | |
| 8894 } | |
| 8895 | |
| 8896 /************************************************************/ | |
| 8897 | |
| 8898 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8899 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8900 { | |
| 8901 } | |
| 8902 | |
| 8903 Expression *MinExp::semantic(Scope *sc) | |
| 8904 { Expression *e; | |
| 8905 Type *t1; | |
| 8906 Type *t2; | |
| 8907 | |
| 8908 #if LOGSEMANTIC | |
| 8909 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8910 #endif | |
| 8911 if (type) | |
| 8912 return this; | |
| 8913 | |
| 8914 BinExp::semanticp(sc); | |
| 8915 | |
| 8916 e = op_overload(sc); | |
| 8917 if (e) | |
| 8918 return e; | |
| 8919 | |
| 8920 e = this; | |
| 8921 t1 = e1->type->toBasetype(); | |
| 8922 t2 = e2->type->toBasetype(); | |
| 8923 if (t1->ty == Tpointer) | |
| 8924 { | |
| 8925 if (t2->ty == Tpointer) | |
| 8926 { // Need to divide the result by the stride | |
| 8927 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8928 d_int64 stride; | |
| 8929 Expression *e; | |
| 8930 | |
| 8931 typeCombine(sc); // make sure pointer types are compatible | |
| 8932 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
|
8933 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
|
8934 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
|
8935 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8936 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
|
8937 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8938 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8939 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8940 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
|
8941 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
|
8942 } |
| 159 | 8943 return e; |
| 8944 } | |
| 8945 else if (t2->isintegral()) | |
| 8946 e = scaleFactor(sc); | |
| 8947 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
|
8948 { error("incompatible types for minus"); |
| 159 | 8949 return new IntegerExp(0); |
| 8950 } | |
| 8951 } | |
| 8952 else if (t2->ty == Tpointer) | |
| 8953 { | |
| 8954 type = e2->type; | |
| 8955 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8956 return new IntegerExp(0); | |
| 8957 } | |
| 8958 else | |
| 8959 { | |
| 8960 typeCombine(sc); | |
| 8961 t1 = e1->type->toBasetype(); | |
| 8962 t2 = e2->type->toBasetype(); | |
| 8963 if ((t1->isreal() && t2->isimaginary()) || | |
| 8964 (t1->isimaginary() && t2->isreal())) | |
| 8965 { | |
| 8966 switch (type->ty) | |
| 8967 { | |
| 8968 case Tfloat32: | |
| 8969 case Timaginary32: | |
| 8970 type = Type::tcomplex32; | |
| 8971 break; | |
| 8972 | |
| 8973 case Tfloat64: | |
| 8974 case Timaginary64: | |
| 8975 type = Type::tcomplex64; | |
| 8976 break; | |
| 8977 | |
| 8978 case Tfloat80: | |
| 8979 case Timaginary80: | |
| 8980 type = Type::tcomplex80; | |
| 8981 break; | |
| 8982 | |
| 8983 default: | |
| 8984 assert(0); | |
| 8985 } | |
| 8986 } | |
| 8987 } | |
| 8988 return e; | |
| 8989 } | |
| 8990 | |
| 8991 /************************* CatExp *****************************/ | |
| 8992 | |
| 8993 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8994 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8995 { | |
| 8996 } | |
| 8997 | |
| 8998 Expression *CatExp::semantic(Scope *sc) | |
| 8999 { Expression *e; | |
| 9000 | |
| 9001 //printf("CatExp::semantic() %s\n", toChars()); | |
| 9002 if (!type) | |
| 9003 { | |
| 9004 BinExp::semanticp(sc); | |
| 9005 e = op_overload(sc); | |
| 9006 if (e) | |
| 9007 return e; | |
| 9008 | |
| 9009 Type *tb1 = e1->type->toBasetype(); | |
| 9010 Type *tb2 = e2->type->toBasetype(); | |
| 9011 | |
| 9012 | |
| 9013 /* BUG: Should handle things like: | |
| 9014 * char c; | |
| 9015 * c ~ ' ' | |
| 9016 * ' ' ~ c; | |
| 9017 */ | |
| 9018 | |
| 9019 #if 0 | |
| 9020 e1->type->print(); | |
| 9021 e2->type->print(); | |
| 9022 #endif | |
| 9023 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 9024 e2->type->equals(tb1->next)) | |
| 9025 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9026 type = tb1->nextOf()->arrayOf(); |
| 159 | 9027 if (tb2->ty == Tarray) |
| 9028 { // Make e2 into [e2] | |
| 9029 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 9030 e2->type = type; | |
| 9031 } | |
| 9032 return this; | |
| 9033 } | |
| 9034 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 9035 e1->type->equals(tb2->next)) | |
| 9036 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9037 type = tb2->nextOf()->arrayOf(); |
| 159 | 9038 if (tb1->ty == Tarray) |
| 9039 { // Make e1 into [e1] | |
| 9040 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 9041 e1->type = type; | |
| 9042 } | |
| 9043 return this; | |
| 9044 } | |
| 9045 | |
| 9046 typeCombine(sc); | |
| 9047 | |
| 9048 if (type->toBasetype()->ty == Tsarray) | |
| 9049 type = type->toBasetype()->next->arrayOf(); | |
| 9050 #if 0 | |
| 9051 e1->type->print(); | |
| 9052 e2->type->print(); | |
| 9053 type->print(); | |
| 9054 print(); | |
| 9055 #endif | |
| 9056 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 9057 e = optimize(WANTvalue); | |
| 9058 else if (e1->type->equals(e2->type) && | |
| 9059 (e1->type->toBasetype()->ty == Tarray || | |
| 9060 e1->type->toBasetype()->ty == Tsarray)) | |
| 9061 { | |
| 9062 e = this; | |
| 9063 } | |
| 9064 else | |
| 9065 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9066 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 9067 error("Can only concatenate arrays, not (%s ~ %s)", |
| 9068 e1->type->toChars(), e2->type->toChars()); | |
| 9069 type = Type::tint32; | |
| 9070 e = this; | |
| 9071 } | |
| 9072 e->type = e->type->semantic(loc, sc); | |
| 9073 return e; | |
| 9074 } | |
| 9075 return this; | |
| 9076 } | |
| 9077 | |
| 9078 /************************************************************/ | |
| 9079 | |
| 9080 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 9081 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 9082 { | |
| 9083 } | |
| 9084 | |
| 9085 Expression *MulExp::semantic(Scope *sc) | |
| 9086 { Expression *e; | |
| 9087 | |
| 9088 #if 0 | |
| 9089 printf("MulExp::semantic() %s\n", toChars()); | |
| 9090 #endif | |
| 9091 if (type) | |
| 9092 { | |
| 9093 return this; | |
| 9094 } | |
| 9095 | |
| 9096 BinExp::semanticp(sc); | |
| 9097 e = op_overload(sc); | |
| 9098 if (e) | |
| 9099 return e; | |
| 9100 | |
| 9101 typeCombine(sc); | |
| 1587 | 9102 if (!e1->isArrayOperand()) |
| 9103 e1->checkArithmetic(); | |
| 9104 if (!e2->isArrayOperand()) | |
|
510
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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
|
9105 e2->checkArithmetic(); |
| 159 | 9106 if (type->isfloating()) |
| 9107 { Type *t1 = e1->type; | |
| 9108 Type *t2 = e2->type; | |
| 9109 | |
| 9110 if (t1->isreal()) | |
| 9111 { | |
| 9112 type = t2; | |
| 9113 } | |
| 9114 else if (t2->isreal()) | |
| 9115 { | |
| 9116 type = t1; | |
| 9117 } | |
| 9118 else if (t1->isimaginary()) | |
| 9119 { | |
| 9120 if (t2->isimaginary()) | |
| 9121 { Expression *e; | |
| 9122 | |
| 9123 switch (t1->ty) | |
| 9124 { | |
| 9125 case Timaginary32: type = Type::tfloat32; break; | |
| 9126 case Timaginary64: type = Type::tfloat64; break; | |
| 9127 case Timaginary80: type = Type::tfloat80; break; | |
| 9128 default: assert(0); | |
| 9129 } | |
| 9130 | |
| 9131 // iy * iv = -yv | |
| 9132 e1->type = type; | |
| 9133 e2->type = type; | |
| 9134 e = new NegExp(loc, this); | |
| 9135 e = e->semantic(sc); | |
| 9136 return e; | |
| 9137 } | |
| 9138 else | |
| 9139 type = t2; // t2 is complex | |
| 9140 } | |
| 9141 else if (t2->isimaginary()) | |
| 9142 { | |
| 9143 type = t1; // t1 is complex | |
| 9144 } | |
| 9145 } | |
| 9146 return this; | |
| 9147 } | |
| 9148 | |
| 9149 /************************************************************/ | |
| 9150 | |
| 9151 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 9152 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 9153 { | |
| 9154 } | |
| 9155 | |
| 9156 Expression *DivExp::semantic(Scope *sc) | |
| 9157 { Expression *e; | |
| 9158 | |
| 9159 if (type) | |
| 9160 return this; | |
| 9161 | |
| 9162 BinExp::semanticp(sc); | |
| 9163 e = op_overload(sc); | |
| 9164 if (e) | |
| 9165 return e; | |
| 9166 | |
| 9167 typeCombine(sc); | |
| 1587 | 9168 if (!e1->isArrayOperand()) |
| 9169 e1->checkArithmetic(); | |
| 9170 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9171 e2->checkArithmetic(); |
| 159 | 9172 if (type->isfloating()) |
| 9173 { Type *t1 = e1->type; | |
| 9174 Type *t2 = e2->type; | |
| 9175 | |
| 9176 if (t1->isreal()) | |
| 9177 { | |
| 9178 type = t2; | |
| 9179 if (t2->isimaginary()) | |
| 9180 { Expression *e; | |
| 9181 | |
| 9182 // x/iv = i(-x/v) | |
| 9183 e2->type = t1; | |
| 9184 e = new NegExp(loc, this); | |
| 9185 e = e->semantic(sc); | |
| 9186 return e; | |
| 9187 } | |
| 9188 } | |
| 9189 else if (t2->isreal()) | |
| 9190 { | |
| 9191 type = t1; | |
| 9192 } | |
| 9193 else if (t1->isimaginary()) | |
| 9194 { | |
| 9195 if (t2->isimaginary()) | |
| 9196 { | |
| 9197 switch (t1->ty) | |
| 9198 { | |
| 9199 case Timaginary32: type = Type::tfloat32; break; | |
| 9200 case Timaginary64: type = Type::tfloat64; break; | |
| 9201 case Timaginary80: type = Type::tfloat80; break; | |
| 9202 default: assert(0); | |
| 9203 } | |
| 9204 } | |
| 9205 else | |
| 9206 type = t2; // t2 is complex | |
| 9207 } | |
| 9208 else if (t2->isimaginary()) | |
| 9209 { | |
| 9210 type = t1; // t1 is complex | |
| 9211 } | |
| 9212 } | |
| 9213 return this; | |
| 9214 } | |
| 9215 | |
| 9216 /************************************************************/ | |
| 9217 | |
| 9218 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 9219 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 9220 { | |
| 9221 } | |
| 9222 | |
| 9223 Expression *ModExp::semantic(Scope *sc) | |
| 9224 { Expression *e; | |
| 9225 | |
| 9226 if (type) | |
| 9227 return this; | |
| 9228 | |
| 9229 BinExp::semanticp(sc); | |
| 9230 e = op_overload(sc); | |
| 9231 if (e) | |
| 9232 return e; | |
| 9233 | |
| 9234 typeCombine(sc); | |
| 1587 | 9235 if (!e1->isArrayOperand()) |
| 9236 e1->checkArithmetic(); | |
| 9237 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9238 e2->checkArithmetic(); |
| 159 | 9239 if (type->isfloating()) |
| 9240 { type = e1->type; | |
| 9241 if (e2->type->iscomplex()) | |
| 9242 { error("cannot perform modulo complex arithmetic"); | |
| 9243 return new IntegerExp(0); | |
| 9244 } | |
| 9245 } | |
| 9246 return this; | |
| 9247 } | |
| 9248 | |
| 9249 /************************************************************/ | |
| 9250 | |
| 9251 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 9252 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 9253 { | |
| 9254 } | |
| 9255 | |
| 9256 Expression *ShlExp::semantic(Scope *sc) | |
| 9257 { Expression *e; | |
| 9258 | |
| 9259 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 9260 if (!type) | |
| 9261 { BinExp::semanticp(sc); | |
| 9262 e = op_overload(sc); | |
| 9263 if (e) | |
| 9264 return e; | |
| 9265 e1 = e1->checkIntegral(); | |
| 9266 e2 = e2->checkIntegral(); | |
| 9267 e1 = e1->integralPromotions(sc); | |
| 9268 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9269 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9270 type = e1->type; |
| 9271 } | |
| 9272 return this; | |
| 9273 } | |
| 9274 | |
| 9275 /************************************************************/ | |
| 9276 | |
| 9277 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9278 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 9279 { | |
| 9280 } | |
| 9281 | |
| 9282 Expression *ShrExp::semantic(Scope *sc) | |
| 9283 { Expression *e; | |
| 9284 | |
| 9285 if (!type) | |
| 9286 { BinExp::semanticp(sc); | |
| 9287 e = op_overload(sc); | |
| 9288 if (e) | |
| 9289 return e; | |
| 9290 e1 = e1->checkIntegral(); | |
| 9291 e2 = e2->checkIntegral(); | |
| 9292 e1 = e1->integralPromotions(sc); | |
| 9293 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9294 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9295 type = e1->type; |
| 9296 } | |
| 9297 return this; | |
| 9298 } | |
| 9299 | |
| 9300 /************************************************************/ | |
| 9301 | |
| 9302 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9303 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 9304 { | |
| 9305 } | |
| 9306 | |
| 9307 Expression *UshrExp::semantic(Scope *sc) | |
| 9308 { Expression *e; | |
| 9309 | |
| 9310 if (!type) | |
| 9311 { BinExp::semanticp(sc); | |
| 9312 e = op_overload(sc); | |
| 9313 if (e) | |
| 9314 return e; | |
| 9315 e1 = e1->checkIntegral(); | |
| 9316 e2 = e2->checkIntegral(); | |
| 9317 e1 = e1->integralPromotions(sc); | |
| 9318 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9319 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9320 type = e1->type; |
| 9321 } | |
| 9322 return this; | |
| 9323 } | |
| 9324 | |
| 9325 /************************************************************/ | |
| 9326 | |
| 9327 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9328 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 9329 { | |
| 9330 } | |
| 9331 | |
| 9332 Expression *AndExp::semantic(Scope *sc) | |
| 9333 { Expression *e; | |
| 9334 | |
| 9335 if (!type) | |
| 9336 { BinExp::semanticp(sc); | |
| 9337 e = op_overload(sc); | |
| 9338 if (e) | |
| 9339 return e; | |
| 9340 if (e1->type->toBasetype()->ty == Tbool && | |
| 9341 e2->type->toBasetype()->ty == Tbool) | |
| 9342 { | |
| 9343 type = e1->type; | |
| 9344 e = this; | |
| 9345 } | |
| 9346 else | |
| 9347 { | |
| 9348 typeCombine(sc); | |
| 1587 | 9349 if (!e1->isArrayOperand()) |
| 9350 e1->checkIntegral(); | |
| 9351 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9352 e2->checkIntegral(); |
| 159 | 9353 } |
| 9354 } | |
| 9355 return this; | |
| 9356 } | |
| 9357 | |
| 9358 /************************************************************/ | |
| 9359 | |
| 9360 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9361 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 9362 { | |
| 9363 } | |
| 9364 | |
| 9365 Expression *OrExp::semantic(Scope *sc) | |
| 9366 { Expression *e; | |
| 9367 | |
| 9368 if (!type) | |
| 9369 { BinExp::semanticp(sc); | |
| 9370 e = op_overload(sc); | |
| 9371 if (e) | |
| 9372 return e; | |
| 9373 if (e1->type->toBasetype()->ty == Tbool && | |
| 9374 e2->type->toBasetype()->ty == Tbool) | |
| 9375 { | |
| 9376 type = e1->type; | |
| 9377 e = this; | |
| 9378 } | |
| 9379 else | |
| 9380 { | |
| 9381 typeCombine(sc); | |
| 1587 | 9382 if (!e1->isArrayOperand()) |
| 9383 e1->checkIntegral(); | |
| 9384 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9385 e2->checkIntegral(); |
| 159 | 9386 } |
| 9387 } | |
| 9388 return this; | |
| 9389 } | |
| 9390 | |
| 9391 /************************************************************/ | |
| 9392 | |
| 9393 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9394 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9395 { | |
| 9396 } | |
| 9397 | |
| 9398 Expression *XorExp::semantic(Scope *sc) | |
| 9399 { Expression *e; | |
| 9400 | |
| 9401 if (!type) | |
| 9402 { BinExp::semanticp(sc); | |
| 9403 e = op_overload(sc); | |
| 9404 if (e) | |
| 9405 return e; | |
| 9406 if (e1->type->toBasetype()->ty == Tbool && | |
| 9407 e2->type->toBasetype()->ty == Tbool) | |
| 9408 { | |
| 9409 type = e1->type; | |
| 9410 e = this; | |
| 9411 } | |
| 9412 else | |
| 9413 { | |
| 9414 typeCombine(sc); | |
| 1587 | 9415 if (!e1->isArrayOperand()) |
| 9416 e1->checkIntegral(); | |
| 9417 if (!e2->isArrayOperand()) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9418 e2->checkIntegral(); |
| 159 | 9419 } |
| 9420 } | |
| 9421 return this; | |
| 9422 } | |
| 9423 | |
| 9424 | |
| 9425 /************************************************************/ | |
| 9426 | |
| 9427 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9428 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9429 { | |
| 9430 } | |
| 9431 | |
| 9432 Expression *OrOrExp::semantic(Scope *sc) | |
| 9433 { | |
| 9434 unsigned cs1; | |
| 9435 | |
| 9436 // same as for AndAnd | |
| 9437 e1 = e1->semantic(sc); | |
| 9438 e1 = resolveProperties(sc, e1); | |
| 9439 e1 = e1->checkToPointer(); | |
| 9440 e1 = e1->checkToBoolean(); | |
| 9441 cs1 = sc->callSuper; | |
| 9442 | |
| 9443 if (sc->flags & SCOPEstaticif) | |
| 9444 { | |
| 9445 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9446 */ | |
| 9447 e1 = e1->optimize(WANTflags); | |
| 9448 if (e1->isBool(TRUE)) | |
| 9449 { | |
| 9450 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9451 } | |
| 9452 } | |
| 9453 | |
| 9454 e2 = e2->semantic(sc); | |
| 9455 sc->mergeCallSuper(loc, cs1); | |
| 9456 e2 = resolveProperties(sc, e2); | |
| 9457 e2 = e2->checkToPointer(); | |
| 9458 | |
| 9459 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
|
9460 if (e2->type->ty == Tvoid) |
| 159 | 9461 type = Type::tvoid; |
| 9462 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9463 error("%s is not an expression", e2->toChars()); | |
| 9464 return this; | |
| 9465 } | |
| 9466 | |
| 9467 Expression *OrOrExp::checkToBoolean() | |
| 9468 { | |
| 9469 e2 = e2->checkToBoolean(); | |
| 9470 return this; | |
| 9471 } | |
| 9472 | |
| 9473 int OrOrExp::isBit() | |
| 9474 { | |
| 9475 return TRUE; | |
| 9476 } | |
| 9477 | |
| 9478 int OrOrExp::checkSideEffect(int flag) | |
| 9479 { | |
| 9480 if (flag == 2) | |
| 9481 { | |
| 9482 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9483 } | |
| 9484 else | |
| 9485 { e1->checkSideEffect(1); | |
| 9486 return e2->checkSideEffect(flag); | |
| 9487 } | |
| 9488 } | |
| 9489 | |
| 9490 /************************************************************/ | |
| 9491 | |
| 9492 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9493 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9494 { | |
| 9495 } | |
| 9496 | |
| 9497 Expression *AndAndExp::semantic(Scope *sc) | |
| 9498 { | |
| 9499 unsigned cs1; | |
| 9500 | |
| 9501 // same as for OrOr | |
| 9502 e1 = e1->semantic(sc); | |
| 9503 e1 = resolveProperties(sc, e1); | |
| 9504 e1 = e1->checkToPointer(); | |
| 9505 e1 = e1->checkToBoolean(); | |
| 9506 cs1 = sc->callSuper; | |
| 9507 | |
| 9508 if (sc->flags & SCOPEstaticif) | |
| 9509 { | |
| 9510 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9511 */ | |
| 9512 e1 = e1->optimize(WANTflags); | |
| 9513 if (e1->isBool(FALSE)) | |
| 9514 { | |
| 9515 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9516 } | |
| 9517 } | |
| 9518 | |
| 9519 e2 = e2->semantic(sc); | |
| 9520 sc->mergeCallSuper(loc, cs1); | |
| 9521 e2 = resolveProperties(sc, e2); | |
| 9522 e2 = e2->checkToPointer(); | |
| 9523 | |
| 9524 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
|
9525 if (e2->type->ty == Tvoid) |
| 159 | 9526 type = Type::tvoid; |
| 9527 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9528 error("%s is not an expression", e2->toChars()); | |
| 9529 return this; | |
| 9530 } | |
| 9531 | |
| 9532 Expression *AndAndExp::checkToBoolean() | |
| 9533 { | |
| 9534 e2 = e2->checkToBoolean(); | |
| 9535 return this; | |
| 9536 } | |
| 9537 | |
| 9538 int AndAndExp::isBit() | |
| 9539 { | |
| 9540 return TRUE; | |
| 9541 } | |
| 9542 | |
| 9543 int AndAndExp::checkSideEffect(int flag) | |
| 9544 { | |
| 9545 if (flag == 2) | |
| 9546 { | |
| 9547 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9548 } | |
| 9549 else | |
| 9550 { | |
| 9551 e1->checkSideEffect(1); | |
| 9552 return e2->checkSideEffect(flag); | |
| 9553 } | |
| 9554 } | |
| 9555 | |
| 9556 /************************************************************/ | |
| 9557 | |
| 9558 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9559 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9560 { | |
| 9561 } | |
| 9562 | |
| 9563 Expression *InExp::semantic(Scope *sc) | |
| 9564 { Expression *e; | |
| 9565 | |
| 9566 if (type) | |
| 9567 return this; | |
| 9568 | |
| 9569 BinExp::semanticp(sc); | |
| 9570 e = op_overload(sc); | |
| 9571 if (e) | |
| 9572 return e; | |
| 9573 | |
| 9574 //type = Type::tboolean; | |
| 9575 Type *t2b = e2->type->toBasetype(); | |
| 9576 if (t2b->ty != Taarray) | |
| 9577 { | |
| 9578 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9579 type = Type::terror; | |
| 9580 } | |
| 9581 else | |
| 9582 { | |
| 9583 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9584 | |
| 9585 // Convert key to type of key | |
| 9586 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9587 | |
| 9588 // 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
|
9589 type = ta->nextOf()->pointerTo(); |
| 159 | 9590 } |
| 9591 return this; | |
| 9592 } | |
| 9593 | |
| 9594 int InExp::isBit() | |
| 9595 { | |
| 9596 return FALSE; | |
| 9597 } | |
| 9598 | |
| 9599 | |
| 9600 /************************************************************/ | |
| 9601 | |
| 9602 /* This deletes the key e1 from the associative array e2 | |
| 9603 */ | |
| 9604 | |
| 9605 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9606 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9607 { | |
| 9608 type = Type::tvoid; | |
| 9609 } | |
| 9610 | |
| 9611 /************************************************************/ | |
| 9612 | |
| 9613 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9614 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9615 { | |
| 9616 } | |
| 9617 | |
| 9618 Expression *CmpExp::semantic(Scope *sc) | |
| 9619 { Expression *e; | |
| 9620 | |
| 9621 #if LOGSEMANTIC | |
| 9622 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9623 #endif | |
| 9624 if (type) | |
| 9625 return this; | |
| 9626 | |
| 9627 BinExp::semanticp(sc); | |
| 9628 | |
| 1587 | 9629 Type *t1 = e1->type->toBasetype(); |
| 9630 Type *t2 = e2->type->toBasetype(); | |
| 9631 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9632 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9633 { |
| 9634 error("do not use null when comparing class types"); | |
| 9635 } | |
| 9636 | |
| 9637 e = op_overload(sc); | |
| 9638 if (e) | |
| 9639 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9640 if (!e->type->isscalar() && e->type->equals(e1->type)) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9641 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9642 error("recursive opCmp expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9643 e = new ErrorExp(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9644 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9645 else |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9646 { e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9647 e = e->semantic(sc); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9648 } |
| 159 | 9649 return e; |
| 9650 } | |
| 9651 | |
| 1587 | 9652 /* Disallow comparing T[]==T and T==T[] |
| 9653 */ | |
| 9654 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9655 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9656 { | |
| 9657 incompatibleTypes(); | |
| 9658 return new ErrorExp(); | |
| 9659 } | |
| 9660 | |
| 159 | 9661 typeCombine(sc); |
| 9662 type = Type::tboolean; | |
| 9663 | |
| 9664 // Special handling for array comparisons | |
| 9665 t1 = e1->type->toBasetype(); | |
| 9666 t2 = e2->type->toBasetype(); | |
| 9667 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9668 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9669 { | |
| 9670 if (!t1->next->equals(t2->next)) | |
| 9671 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9672 e = this; | |
| 9673 } | |
| 9674 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9675 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9676 { | |
| 9677 if (t2->ty == Tstruct) | |
| 9678 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9679 else | |
| 9680 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9681 e = this; | |
| 9682 } | |
| 9683 #if 1 | |
| 9684 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9685 { | |
| 9686 error("compare not defined for complex operands"); | |
| 9687 e = new IntegerExp(0); | |
| 9688 } | |
| 9689 #endif | |
| 9690 else | |
| 9691 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
|
9692 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9693 return e; |
| 9694 } | |
| 9695 | |
| 9696 int CmpExp::isBit() | |
| 9697 { | |
| 9698 return TRUE; | |
| 9699 } | |
| 9700 | |
| 9701 | |
| 9702 /************************************************************/ | |
| 9703 | |
| 9704 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9705 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9706 { | |
| 9707 assert(op == TOKequal || op == TOKnotequal); | |
| 9708 } | |
| 9709 | |
| 9710 Expression *EqualExp::semantic(Scope *sc) | |
| 9711 { Expression *e; | |
| 9712 | |
| 9713 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9714 if (type) | |
| 9715 return this; | |
| 9716 | |
| 9717 BinExp::semanticp(sc); | |
| 9718 | |
| 9719 /* Before checking for operator overloading, check to see if we're | |
| 9720 * comparing the addresses of two statics. If so, we can just see | |
| 9721 * if they are the same symbol. | |
| 9722 */ | |
| 9723 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9724 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9725 AddrExp *ae2 = (AddrExp *)e2; | |
| 9726 | |
| 9727 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9728 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9729 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9730 | |
| 9731 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9732 { | |
| 9733 // They are the same, result is 'true' for ==, 'false' for != | |
| 9734 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9735 return e; | |
| 9736 } | |
| 9737 } | |
| 9738 } | |
| 9739 | |
| 1587 | 9740 Type *t1 = e1->type->toBasetype(); |
| 9741 Type *t2 = e2->type->toBasetype(); | |
| 9742 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9743 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9744 { |
| 9745 error("use '%s' instead of '%s' when comparing with null", | |
| 9746 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9747 Token::toChars(op)); | |
| 9748 } | |
| 9749 | |
| 9750 //if (e2->op != TOKnull) | |
| 9751 { | |
| 9752 e = op_overload(sc); | |
| 9753 if (e) | |
| 9754 { | |
| 9755 if (op == TOKnotequal) | |
| 9756 { | |
| 9757 e = new NotExp(e->loc, e); | |
| 9758 e = e->semantic(sc); | |
| 9759 } | |
| 9760 return e; | |
| 9761 } | |
| 9762 } | |
| 9763 | |
| 1587 | 9764 /* Disallow comparing T[]==T and T==T[] |
| 9765 */ | |
| 9766 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9767 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9768 { | |
| 9769 incompatibleTypes(); | |
| 9770 return new ErrorExp(); | |
| 9771 } | |
| 9772 | |
| 159 | 9773 e = typeCombine(sc); |
| 9774 type = Type::tboolean; | |
| 9775 | |
| 9776 // Special handling for array comparisons | |
| 9777 t1 = e1->type->toBasetype(); | |
| 9778 t2 = e2->type->toBasetype(); | |
| 9779 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9780 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9781 { | |
| 9782 if (!t1->next->equals(t2->next)) | |
| 9783 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9784 } | |
| 9785 else | |
| 9786 { | |
| 9787 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9788 { | |
| 9789 // Cast both to complex | |
| 9790 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9791 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9792 } | |
| 9793 } | |
| 9794 return e; | |
| 9795 } | |
| 9796 | |
| 9797 int EqualExp::isBit() | |
| 9798 { | |
| 9799 return TRUE; | |
| 9800 } | |
| 9801 | |
| 9802 | |
| 9803 | |
| 9804 /************************************************************/ | |
| 9805 | |
| 9806 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9807 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9808 { | |
| 9809 } | |
| 9810 | |
| 9811 Expression *IdentityExp::semantic(Scope *sc) | |
| 9812 { | |
| 9813 if (type) | |
| 9814 return this; | |
| 9815 | |
| 9816 BinExp::semanticp(sc); | |
| 9817 type = Type::tboolean; | |
| 9818 typeCombine(sc); | |
| 9819 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9820 { | |
| 9821 // Cast both to complex | |
| 9822 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9823 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9824 } | |
| 9825 return this; | |
| 9826 } | |
| 9827 | |
| 9828 int IdentityExp::isBit() | |
| 9829 { | |
| 9830 return TRUE; | |
| 9831 } | |
| 9832 | |
| 9833 | |
| 9834 /****************************************************************/ | |
| 9835 | |
| 9836 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9837 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9838 { | |
| 9839 this->econd = econd; | |
| 9840 } | |
| 9841 | |
| 9842 Expression *CondExp::syntaxCopy() | |
| 9843 { | |
| 9844 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9845 } | |
| 9846 | |
| 9847 | |
| 9848 Expression *CondExp::semantic(Scope *sc) | |
| 9849 { Type *t1; | |
| 9850 Type *t2; | |
| 9851 unsigned cs0; | |
| 9852 unsigned cs1; | |
| 9853 | |
| 9854 #if LOGSEMANTIC | |
| 9855 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9856 #endif | |
| 9857 if (type) | |
| 9858 return this; | |
| 9859 | |
| 9860 econd = econd->semantic(sc); | |
| 9861 econd = resolveProperties(sc, econd); | |
| 9862 econd = econd->checkToPointer(); | |
| 9863 econd = econd->checkToBoolean(); | |
| 9864 | |
| 9865 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9866 * both contribute to the type of the result. | |
| 9867 */ | |
| 9868 if (sc->flags & SCOPEstaticif) | |
| 9869 { | |
| 9870 /* If in static if, don't evaluate what we don't have to. | |
| 9871 */ | |
| 9872 econd = econd->optimize(WANTflags); | |
| 9873 if (econd->isBool(TRUE)) | |
| 9874 { | |
| 9875 e1 = e1->semantic(sc); | |
| 9876 e1 = resolveProperties(sc, e1); | |
| 9877 return e1; | |
| 9878 } | |
| 9879 else if (econd->isBool(FALSE)) | |
| 9880 { | |
| 9881 e2 = e2->semantic(sc); | |
| 9882 e2 = resolveProperties(sc, e2); | |
| 9883 return e2; | |
| 9884 } | |
| 9885 } | |
| 9886 #endif | |
| 9887 | |
| 9888 | |
| 9889 cs0 = sc->callSuper; | |
| 9890 e1 = e1->semantic(sc); | |
| 9891 e1 = resolveProperties(sc, e1); | |
| 9892 cs1 = sc->callSuper; | |
| 9893 sc->callSuper = cs0; | |
| 9894 e2 = e2->semantic(sc); | |
| 9895 e2 = resolveProperties(sc, e2); | |
| 9896 sc->mergeCallSuper(loc, cs1); | |
| 9897 | |
| 9898 | |
| 9899 // If either operand is void, the result is void | |
| 9900 t1 = e1->type; | |
| 9901 t2 = e2->type; | |
| 9902 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9903 type = Type::tvoid; | |
| 9904 else if (t1 == t2) | |
| 9905 type = t1; | |
| 9906 else | |
| 9907 { | |
| 9908 typeCombine(sc); | |
| 9909 switch (e1->type->toBasetype()->ty) | |
| 9910 { | |
| 9911 case Tcomplex32: | |
| 9912 case Tcomplex64: | |
| 9913 case Tcomplex80: | |
| 9914 e2 = e2->castTo(sc, e1->type); | |
| 9915 break; | |
| 9916 } | |
| 9917 switch (e2->type->toBasetype()->ty) | |
| 9918 { | |
| 9919 case Tcomplex32: | |
| 9920 case Tcomplex64: | |
| 9921 case Tcomplex80: | |
| 9922 e1 = e1->castTo(sc, e2->type); | |
| 9923 break; | |
| 9924 } | |
| 9925 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9926 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9927 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9928 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9929 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9930 #endif |
| 159 | 9931 return this; |
| 9932 } | |
| 9933 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9934 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9935 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9936 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9937 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9938 } |
|
330f999ade44
Merged DMD 1.038
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|
9939 #endif |
|
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|
9940 |
| 159 | 9941 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9942 { | |
| 9943 PtrExp *e; | |
| 9944 | |
| 9945 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9946 e = new PtrExp(loc, this, type); | |
| 9947 | |
| 9948 e1 = e1->addressOf(sc); | |
| 9949 //e1 = e1->toLvalue(sc, NULL); | |
| 9950 | |
| 9951 e2 = e2->addressOf(sc); | |
| 9952 //e2 = e2->toLvalue(sc, NULL); | |
| 9953 | |
| 9954 typeCombine(sc); | |
| 9955 | |
| 9956 type = e2->type; | |
| 9957 return e; | |
| 9958 } | |
| 9959 | |
| 9960 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9961 { | |
| 9962 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9963 return this; | |
| 9964 } | |
| 9965 | |
| 9966 void CondExp::checkEscape() | |
| 9967 { | |
| 9968 e1->checkEscape(); | |
| 9969 e2->checkEscape(); | |
| 9970 } | |
| 9971 | |
| 9972 | |
| 9973 Expression *CondExp::checkToBoolean() | |
| 9974 { | |
| 9975 e1 = e1->checkToBoolean(); | |
| 9976 e2 = e2->checkToBoolean(); | |
| 9977 return this; | |
| 9978 } | |
| 9979 | |
| 9980 int CondExp::checkSideEffect(int flag) | |
| 9981 { | |
| 9982 if (flag == 2) | |
| 9983 { | |
| 9984 return econd->checkSideEffect(2) || | |
| 9985 e1->checkSideEffect(2) || | |
| 9986 e2->checkSideEffect(2); | |
| 9987 } | |
| 9988 else | |
| 9989 { | |
| 9990 econd->checkSideEffect(1); | |
| 9991 e1->checkSideEffect(flag); | |
| 9992 return e2->checkSideEffect(flag); | |
| 9993 } | |
| 9994 } | |
| 9995 | |
|
875
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9996 #if DMDV2 |
|
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9997 int CondExp::canThrow() |
|
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9998 { |
|
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9999 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
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|
10000 } |
|
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|
10001 #endif |
|
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10002 |
| 159 | 10003 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 10004 { | |
| 10005 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 10006 buf->writestring(" ? "); | |
| 10007 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 10008 buf->writestring(" : "); | |
| 10009 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 10010 } | |
| 10011 | |
|
599
4435f57956e7
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|
10012 /************************************************************/ |
|
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|
10013 |
|
4435f57956e7
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|
10014 #if IN_LLVM |
|
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|
10015 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
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diff
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|
10016 // Strictly LDC specific stuff |
|
599
4435f57956e7
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|
10017 |
|
4435f57956e7
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|
10018 GEPExp::GEPExp(Loc loc, Expression* e, Identifier* id, unsigned idx) |
|
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|
10019 : UnaExp(loc, TOKgep, sizeof(GEPExp), e) |
|
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parents:
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diff
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|
10020 { |
|
4435f57956e7
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|
10021 index = idx; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
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|
10022 ident = id; |
|
4435f57956e7
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10023 } |
|
4435f57956e7
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|
10024 |
|
4435f57956e7
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parents:
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|
10025 void GEPExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
4435f57956e7
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parents:
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|
10026 { |
|
4435f57956e7
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|
10027 expToCBuffer(buf, hgs, e1, PREC_primary); |
|
4435f57956e7
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|
10028 buf->writeByte('.'); |
|
4435f57956e7
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|
10029 buf->writestring(ident->toChars()); |
|
4435f57956e7
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|
10030 } |
|
4435f57956e7
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
10031 |
|
4435f57956e7
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|
10032 Expression* GEPExp::toLvalue(Scope* sc, Expression* e) |
|
4435f57956e7
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|
10033 { |
|
4435f57956e7
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|
10034 // GEP's are always lvalues, at least in the "LLVM sense" ... |
|
4435f57956e7
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|
10035 return this; |
|
4435f57956e7
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|
10036 } |
|
4435f57956e7
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diff
changeset
|
10037 |
|
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diff
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|
10038 #endif |