Mercurial > projects > ldc
annotate dmd/expression.c @ 1616:c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
bugzilla 3617 CTFE: wrong code for if(x) where x is int or smaller.
---
dmd/expression.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
| author | Leandro Lucarella <llucax@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2010 15:18:21 -0300 |
| parents | 081c48283153 |
| children | a87f1d6ff48e |
| 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
330f999ade44
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
changeset
|
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
330f999ade44
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>
parents:
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diff
changeset
|
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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changeset
|
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
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
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
0d38fa5a0b46
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
e961851fb8be
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
e961851fb8be
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 { | |
|
1616
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1515 int r = toInteger() != 0; |
|
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1516 return result ? r : !r; |
| 159 | 1517 } |
| 1518 | |
| 1519 Expression *IntegerExp::semantic(Scope *sc) | |
| 1520 { | |
| 1521 if (!type) | |
| 1522 { | |
| 1523 // Determine what the type of this number is | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1524 dinteger_t number = value; |
| 159 | 1525 |
| 1526 if (number & 0x8000000000000000LL) | |
| 1527 type = Type::tuns64; | |
| 1528 else if (number & 0xFFFFFFFF80000000LL) | |
| 1529 type = Type::tint64; | |
| 1530 else | |
| 1531 type = Type::tint32; | |
| 1532 } | |
| 1533 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
|
1534 { 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
|
1535 type = type->semantic(loc, sc); |
| 159 | 1536 } |
| 1537 return this; | |
| 1538 } | |
| 1539 | |
| 1540 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1541 { | |
| 1542 if (!e) | |
| 1543 e = this; | |
| 1544 else if (!loc.filename) | |
| 1545 loc = e->loc; | |
| 1546 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1547 return this; | |
| 1548 } | |
| 1549 | |
| 1550 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1551 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1552 dinteger_t v = toInteger(); |
| 159 | 1553 |
| 1554 if (type) | |
| 1555 { Type *t = type; | |
| 1556 | |
| 1557 L1: | |
| 1558 switch (t->ty) | |
| 1559 { | |
| 1560 case Tenum: | |
| 1561 { TypeEnum *te = (TypeEnum *)t; | |
| 1562 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1563 t = te->sym->memtype; | |
| 1564 goto L1; | |
| 1565 } | |
| 1566 | |
| 1567 case Ttypedef: | |
| 1568 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1569 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1570 t = tt->sym->basetype; | |
| 1571 goto L1; | |
| 1572 } | |
| 1573 | |
| 1574 case Twchar: // BUG: need to cast(wchar) | |
| 1575 case Tdchar: // BUG: need to cast(dchar) | |
| 1576 if ((uinteger_t)v > 0xFF) | |
| 1577 { | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
1578 buf->printf("'\\U%08x'", (unsigned)v); |
| 159 | 1579 break; |
| 1580 } | |
| 1581 case Tchar: | |
| 1582 if (v == '\'') | |
| 1583 buf->writestring("'\\''"); | |
| 1584 else if (isprint(v) && v != '\\') | |
| 1585 buf->printf("'%c'", (int)v); | |
| 1586 else | |
| 1587 buf->printf("'\\x%02x'", (int)v); | |
| 1588 break; | |
| 1589 | |
| 1590 case Tint8: | |
| 1591 buf->writestring("cast(byte)"); | |
| 1592 goto L2; | |
| 1593 | |
| 1594 case Tint16: | |
| 1595 buf->writestring("cast(short)"); | |
| 1596 goto L2; | |
| 1597 | |
| 1598 case Tint32: | |
| 1599 L2: | |
| 1600 buf->printf("%d", (int)v); | |
| 1601 break; | |
| 1602 | |
| 1603 case Tuns8: | |
| 1604 buf->writestring("cast(ubyte)"); | |
| 1605 goto L3; | |
| 1606 | |
| 1607 case Tuns16: | |
| 1608 buf->writestring("cast(ushort)"); | |
| 1609 goto L3; | |
| 1610 | |
| 1611 case Tuns32: | |
| 1612 L3: | |
| 1613 buf->printf("%du", (unsigned)v); | |
| 1614 break; | |
| 1615 | |
| 1616 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1617 buf->printf("%jdL", v); |
| 159 | 1618 break; |
| 1619 | |
| 1620 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1621 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1622 buf->printf("%juLU", v); |
| 159 | 1623 break; |
| 1624 | |
| 1625 case Tbit: | |
| 1626 case Tbool: | |
| 1627 buf->writestring((char *)(v ? "true" : "false")); | |
| 1628 break; | |
| 1629 | |
| 1630 case Tpointer: | |
| 1631 buf->writestring("cast("); | |
| 1632 buf->writestring(t->toChars()); | |
| 1633 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
|
1634 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
|
1635 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1636 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
|
1637 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1638 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1639 assert(0); |
| 159 | 1640 |
| 1641 default: | |
| 336 | 1642 /* This can happen if errors, such as |
| 1643 * the type is painted on like in fromConstInitializer(). | |
| 1644 */ | |
| 1645 if (!global.errors) | |
| 1646 { | |
| 159 | 1647 #ifdef DEBUG |
| 336 | 1648 t->print(); |
| 159 | 1649 #endif |
| 336 | 1650 assert(0); |
| 1651 } | |
| 1652 break; | |
| 159 | 1653 } |
| 1654 } | |
| 1655 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1656 buf->printf("0x%jx", v); |
| 159 | 1657 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1658 buf->printf("%jd", v); |
| 159 | 1659 } |
| 1660 | |
| 1661 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1662 { | |
| 1663 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
|
1664 buf->printf("N%jd", -value); |
| 159 | 1665 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1666 buf->printf("%jd", value); |
| 159 | 1667 } |
| 1668 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1669 /******************************** ErrorExp **************************/ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1670 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1671 /* Use this expression for error recovery. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1672 * 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
|
1673 */ |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1674 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1675 ErrorExp::ErrorExp() |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1676 : IntegerExp(0, 0, Type::terror) |
|
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 |
|
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1680 void ErrorExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
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1681 { |
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1682 buf->writestring("__error"); |
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1684 |
| 159 | 1685 /******************************** RealExp **************************/ |
| 1686 | |
| 1687 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1688 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1689 { | |
| 1690 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1691 this->value = value; | |
| 1692 this->type = type; | |
| 1693 } | |
| 1694 | |
| 1695 char *RealExp::toChars() | |
| 1696 { | |
| 1697 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1698 | |
| 1699 #ifdef IN_GCC | |
| 1700 value.format(buffer, sizeof(buffer)); | |
| 1701 if (type->isimaginary()) | |
| 1702 strcat(buffer, "i"); | |
| 1703 #else | |
| 1704 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1705 #endif | |
| 1706 assert(strlen(buffer) < sizeof(buffer)); | |
| 1707 return mem.strdup(buffer); | |
| 1708 } | |
| 1709 | |
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1710 dinteger_t RealExp::toInteger() |
| 159 | 1711 { |
| 1712 #ifdef IN_GCC | |
| 1713 return toReal().toInt(); | |
| 1714 #else | |
| 1715 return (sinteger_t) toReal(); | |
| 1716 #endif | |
| 1717 } | |
| 1718 | |
| 1719 uinteger_t RealExp::toUInteger() | |
| 1720 { | |
| 1721 #ifdef IN_GCC | |
| 1722 return (uinteger_t) toReal().toInt(); | |
| 1723 #else | |
| 1724 return (uinteger_t) toReal(); | |
| 1725 #endif | |
| 1726 } | |
| 1727 | |
| 1728 real_t RealExp::toReal() | |
| 1729 { | |
| 1730 return type->isreal() ? value : 0; | |
| 1731 } | |
| 1732 | |
| 1733 real_t RealExp::toImaginary() | |
| 1734 { | |
| 1735 return type->isreal() ? 0 : value; | |
| 1736 } | |
| 1737 | |
| 1738 complex_t RealExp::toComplex() | |
| 1739 { | |
| 1740 #ifdef __DMC__ | |
| 1741 return toReal() + toImaginary() * I; | |
| 1742 #else | |
| 1743 return complex_t(toReal(), toImaginary()); | |
| 1744 #endif | |
| 1745 } | |
| 1746 | |
| 1747 /******************************** | |
| 1748 * Test to see if two reals are the same. | |
| 1749 * Regard NaN's as equivalent. | |
| 1750 * Regard +0 and -0 as different. | |
| 1751 */ | |
| 1752 | |
| 1753 int RealEquals(real_t x1, real_t x2) | |
| 1754 { | |
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1755 #if __APPLE__ |
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1756 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1757 #else |
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1758 return // special case nans |
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1759 (isnan(x1) && isnan(x2)) || |
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1760 #endif |
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1761 // and zero, in order to distinguish +0 from -0 |
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1762 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1763 // otherwise just compare |
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1764 (x1 != 0. && x1 == x2); |
| 159 | 1765 } |
| 1766 | |
| 1767 int RealExp::equals(Object *o) | |
| 1768 { RealExp *ne; | |
| 1769 | |
| 1770 if (this == o || | |
| 1771 (((Expression *)o)->op == TOKfloat64 && | |
| 1772 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1773 RealEquals(value, ne->value) | |
| 1774 ) | |
| 1775 ) | |
| 1776 return 1; | |
| 1777 return 0; | |
| 1778 } | |
| 1779 | |
| 1780 Expression *RealExp::semantic(Scope *sc) | |
| 1781 { | |
| 1782 if (!type) | |
| 1783 type = Type::tfloat64; | |
| 1784 else | |
| 1785 type = type->semantic(loc, sc); | |
| 1786 return this; | |
| 1787 } | |
| 1788 | |
| 1789 int RealExp::isBool(int result) | |
| 1790 { | |
| 1791 #ifdef IN_GCC | |
| 1792 return result ? (! value.isZero()) : (value.isZero()); | |
| 1793 #else | |
| 1794 return result ? (value != 0) | |
| 1795 : (value == 0); | |
| 1796 #endif | |
| 1797 } | |
| 1798 | |
| 1799 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1800 { | |
| 1801 /* In order to get an exact representation, try converting it | |
| 1802 * to decimal then back again. If it matches, use it. | |
| 1803 * If it doesn't, fall back to hex, which is | |
| 1804 * always exact. | |
| 1805 */ | |
| 1806 char buffer[25]; | |
| 1807 sprintf(buffer, "%Lg", value); | |
| 1808 assert(strlen(buffer) < sizeof(buffer)); | |
| 1809 #if _WIN32 && __DMC__ | |
| 1810 char *save = __locale_decpoint; | |
| 1811 __locale_decpoint = "."; | |
| 1812 real_t r = strtold(buffer, NULL); | |
| 1813 __locale_decpoint = save; | |
| 1814 #else | |
| 1815 real_t r = strtold(buffer, NULL); | |
| 1816 #endif | |
| 1817 if (r == value) // if exact duplication | |
| 1818 buf->writestring(buffer); | |
| 1819 else | |
| 1820 buf->printf("%La", value); // ensure exact duplication | |
| 1821 | |
| 1822 if (type) | |
| 1823 { | |
| 1824 Type *t = type->toBasetype(); | |
| 1825 switch (t->ty) | |
| 1826 { | |
| 1827 case Tfloat32: | |
| 1828 case Timaginary32: | |
| 1829 case Tcomplex32: | |
| 1830 buf->writeByte('F'); | |
| 1831 break; | |
| 1832 | |
| 1833 case Tfloat80: | |
| 1834 case Timaginary80: | |
| 1835 case Tcomplex80: | |
| 1836 buf->writeByte('L'); | |
| 1837 break; | |
| 1838 | |
| 1839 default: | |
| 1840 break; | |
| 1841 } | |
| 1842 if (t->isimaginary()) | |
| 1843 buf->writeByte('i'); | |
| 1844 } | |
| 1845 } | |
| 1846 | |
| 1847 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1848 { | |
| 1849 floatToBuffer(buf, type, value); | |
| 1850 } | |
| 1851 | |
| 1852 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1853 { | |
| 1854 /* Rely on %A to get portable mangling. | |
| 1855 * Must munge result to get only identifier characters. | |
| 1856 * | |
| 1857 * Possible values from %A => mangled result | |
| 1858 * NAN => NAN | |
| 1859 * -INF => NINF | |
| 1860 * INF => INF | |
| 1861 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1862 * 0X1.9P+2 => 19P2 | |
| 1863 */ | |
| 1864 | |
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1867 #else |
| 159 | 1868 if (isnan(value)) |
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1869 #endif |
| 159 | 1870 buf->writestring("NAN"); // no -NAN bugs |
| 1871 else | |
| 1872 { | |
| 1873 char buffer[32]; | |
| 1874 int n = sprintf(buffer, "%LA", value); | |
| 1875 assert(n > 0 && n < sizeof(buffer)); | |
| 1876 for (int i = 0; i < n; i++) | |
| 1877 { char c = buffer[i]; | |
| 1878 | |
| 1879 switch (c) | |
| 1880 { | |
| 1881 case '-': | |
| 1882 buf->writeByte('N'); | |
| 1883 break; | |
| 1884 | |
| 1885 case '+': | |
| 1886 case 'X': | |
| 1887 case '.': | |
| 1888 break; | |
| 1889 | |
| 1890 case '0': | |
| 1891 if (i < 2) | |
| 1892 break; // skip leading 0X | |
| 1893 default: | |
| 1894 buf->writeByte(c); | |
| 1895 break; | |
| 1896 } | |
| 1897 } | |
| 1898 } | |
| 1899 } | |
| 1900 | |
| 1901 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1902 { | |
| 1903 buf->writeByte('e'); | |
| 1904 realToMangleBuffer(buf, value); | |
| 1905 } | |
| 1906 | |
| 1907 | |
| 1908 /******************************** ComplexExp **************************/ | |
| 1909 | |
| 1910 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1911 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1912 { | |
| 1913 this->value = value; | |
| 1914 this->type = type; | |
| 1915 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1916 } | |
| 1917 | |
| 1918 char *ComplexExp::toChars() | |
| 1919 { | |
| 1920 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1921 | |
| 1922 #ifdef IN_GCC | |
| 1923 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1924 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1925 creall(value).format(buf1, sizeof(buf1)); | |
| 1926 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1927 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1928 #else | |
| 1929 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1930 assert(strlen(buffer) < sizeof(buffer)); | |
| 1931 #endif | |
| 1932 return mem.strdup(buffer); | |
| 1933 } | |
| 1934 | |
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1935 dinteger_t ComplexExp::toInteger() |
| 159 | 1936 { |
| 1937 #ifdef IN_GCC | |
| 1938 return (sinteger_t) toReal().toInt(); | |
| 1939 #else | |
| 1940 return (sinteger_t) toReal(); | |
| 1941 #endif | |
| 1942 } | |
| 1943 | |
| 1944 uinteger_t ComplexExp::toUInteger() | |
| 1945 { | |
| 1946 #ifdef IN_GCC | |
| 1947 return (uinteger_t) toReal().toInt(); | |
| 1948 #else | |
| 1949 return (uinteger_t) toReal(); | |
| 1950 #endif | |
| 1951 } | |
| 1952 | |
| 1953 real_t ComplexExp::toReal() | |
| 1954 { | |
| 1955 return creall(value); | |
| 1956 } | |
| 1957 | |
| 1958 real_t ComplexExp::toImaginary() | |
| 1959 { | |
| 1960 return cimagl(value); | |
| 1961 } | |
| 1962 | |
| 1963 complex_t ComplexExp::toComplex() | |
| 1964 { | |
| 1965 return value; | |
| 1966 } | |
| 1967 | |
| 1968 int ComplexExp::equals(Object *o) | |
| 1969 { ComplexExp *ne; | |
| 1970 | |
| 1971 if (this == o || | |
| 1972 (((Expression *)o)->op == TOKcomplex80 && | |
| 1973 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1974 RealEquals(creall(value), creall(ne->value)) && | |
| 1975 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1976 ) | |
| 1977 ) | |
| 1978 return 1; | |
| 1979 return 0; | |
| 1980 } | |
| 1981 | |
| 1982 Expression *ComplexExp::semantic(Scope *sc) | |
| 1983 { | |
| 1984 if (!type) | |
| 1985 type = Type::tcomplex80; | |
| 1986 else | |
| 1987 type = type->semantic(loc, sc); | |
| 1988 return this; | |
| 1989 } | |
| 1990 | |
| 1991 int ComplexExp::isBool(int result) | |
| 1992 { | |
| 1993 if (result) | |
| 1994 return (bool)(value); | |
| 1995 else | |
| 1996 return !value; | |
| 1997 } | |
| 1998 | |
| 1999 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2000 { | |
| 2001 /* Print as: | |
| 2002 * (re+imi) | |
| 2003 */ | |
| 2004 #ifdef IN_GCC | |
| 2005 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 2006 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 2007 creall(value).format(buf1, sizeof(buf1)); | |
| 2008 cimagl(value).format(buf2, sizeof(buf2)); | |
| 2009 buf->printf("(%s+%si)", buf1, buf2); | |
| 2010 #else | |
| 2011 buf->writeByte('('); | |
| 2012 floatToBuffer(buf, type, creall(value)); | |
| 2013 buf->writeByte('+'); | |
| 2014 floatToBuffer(buf, type, cimagl(value)); | |
| 2015 buf->writestring("i)"); | |
| 2016 #endif | |
| 2017 } | |
| 2018 | |
| 2019 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 2020 { | |
| 2021 buf->writeByte('c'); | |
| 2022 real_t r = toReal(); | |
| 2023 realToMangleBuffer(buf, r); | |
| 2024 buf->writeByte('c'); // separate the two | |
| 2025 r = toImaginary(); | |
| 2026 realToMangleBuffer(buf, r); | |
| 2027 } | |
| 2028 | |
| 2029 /******************************** IdentifierExp **************************/ | |
| 2030 | |
| 2031 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 2032 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 2033 { | |
| 2034 this->ident = ident; | |
| 2035 } | |
| 2036 | |
| 2037 Expression *IdentifierExp::semantic(Scope *sc) | |
| 2038 { | |
| 2039 Dsymbol *s; | |
| 2040 Dsymbol *scopesym; | |
| 2041 | |
| 2042 #if LOGSEMANTIC | |
| 2043 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 2044 #endif | |
| 2045 s = sc->search(loc, ident, &scopesym); | |
| 2046 if (s) | |
| 2047 { Expression *e; | |
| 2048 WithScopeSymbol *withsym; | |
| 2049 | |
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2050 /* See if the symbol was a member of an enclosing 'with' |
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2051 */ |
| 159 | 2052 withsym = scopesym->isWithScopeSymbol(); |
| 2053 if (withsym) | |
| 2054 { | |
| 2055 s = s->toAlias(); | |
| 2056 | |
| 2057 // Same as wthis.ident | |
| 2058 if (s->needThis() || s->isTemplateDeclaration()) | |
| 2059 { | |
| 2060 e = new VarExp(loc, withsym->withstate->wthis); | |
| 2061 e = new DotIdExp(loc, e, ident); | |
| 2062 } | |
| 2063 else | |
| 2064 { Type *t = withsym->withstate->wthis->type; | |
| 2065 if (t->ty == Tpointer) | |
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2066 t = ((TypePointer *)t)->next; |
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2067 e = typeDotIdExp(loc, t, ident); |
| 159 | 2068 } |
| 2069 } | |
| 2070 else | |
| 2071 { | |
| 2072 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 2073 { // Kludge to run semantic() here because | |
| 2074 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 2075 s->semantic(sc); | |
| 2076 } | |
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2077 /* If f is really a function template, |
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2078 * then replace f with the function template declaration. |
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2079 */ |
| 159 | 2080 FuncDeclaration *f = s->isFuncDeclaration(); |
| 2081 if (f && f->parent) | |
| 2082 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 2083 | |
| 2084 if (ti && | |
| 2085 !ti->isTemplateMixin() && | |
| 2086 (ti->name == f->ident || | |
| 2087 ti->toAlias()->ident == f->ident) | |
| 2088 && | |
| 2089 ti->tempdecl && ti->tempdecl->onemember) | |
| 2090 { | |
| 2091 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 2092 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 2093 tempdecl = tempdecl->overroot; // then get the start | |
| 2094 e = new TemplateExp(loc, tempdecl); | |
| 2095 e = e->semantic(sc); | |
| 2096 return e; | |
| 2097 } | |
| 2098 } | |
| 2099 e = new DsymbolExp(loc, s); | |
| 2100 } | |
| 2101 return e->semantic(sc); | |
| 2102 } | |
| 2103 error("undefined identifier %s", ident->toChars()); | |
| 2104 type = Type::terror; | |
| 2105 return this; | |
| 2106 } | |
| 2107 | |
| 2108 char *IdentifierExp::toChars() | |
| 2109 { | |
| 2110 return ident->toChars(); | |
| 2111 } | |
| 2112 | |
| 2113 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2114 { | |
| 2115 if (hgs->hdrgen) | |
| 2116 buf->writestring(ident->toHChars2()); | |
| 2117 else | |
| 2118 buf->writestring(ident->toChars()); | |
| 2119 } | |
| 2120 | |
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2121 #if DMDV2 |
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2122 int IdentifierExp::isLvalue() |
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2123 { |
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2124 return 1; |
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2125 } |
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2126 #endif |
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2127 |
| 159 | 2128 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2129 { | |
| 2130 #if 0 | |
| 2131 tym = tybasic(e1->ET->Tty); | |
| 2132 if (!(tyscalar(tym) || | |
| 2133 tym == TYstruct || | |
| 2134 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2135 synerr(EM_lvalue); // lvalue expected | |
| 2136 #endif | |
| 2137 return this; | |
| 2138 } | |
| 2139 | |
| 2140 /******************************** DollarExp **************************/ | |
| 2141 | |
| 2142 DollarExp::DollarExp(Loc loc) | |
| 2143 : IdentifierExp(loc, Id::dollar) | |
| 2144 { | |
| 2145 } | |
| 2146 | |
| 2147 /******************************** DsymbolExp **************************/ | |
| 2148 | |
| 2149 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2150 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2151 { | |
| 2152 this->s = s; | |
| 2153 } | |
| 2154 | |
| 2155 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2156 { | |
| 2157 #if LOGSEMANTIC | |
| 2158 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2159 #endif | |
| 2160 | |
| 2161 Lagain: | |
| 2162 EnumMember *em; | |
| 2163 Expression *e; | |
| 2164 VarDeclaration *v; | |
| 2165 FuncDeclaration *f; | |
| 2166 FuncLiteralDeclaration *fld; | |
| 2167 Declaration *d; | |
| 2168 ClassDeclaration *cd; | |
| 2169 ClassDeclaration *thiscd = NULL; | |
| 2170 Import *imp; | |
| 2171 Package *pkg; | |
| 2172 Type *t; | |
| 2173 | |
| 2174 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2175 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2176 if (type) | |
| 2177 return this; | |
| 2178 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2179 checkDeprecated(sc, s); | |
| 2180 s = s->toAlias(); | |
| 2181 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2182 if (!s->isFuncDeclaration()) | |
| 2183 checkDeprecated(sc, s); | |
| 2184 | |
| 2185 if (sc->func) | |
| 2186 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2187 | |
| 2188 // BUG: This should happen after overload resolution for functions, not before | |
| 2189 if (s->needThis()) | |
| 2190 { | |
|
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|
2191 if (hasThis(sc) |
|
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|
2192 #if DMDV2 |
|
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|
2193 && !s->isFuncDeclaration() |
|
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diff
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|
2194 #endif |
|
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parents:
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diff
changeset
|
2195 ) |
| 159 | 2196 { |
| 2197 // Supply an implicit 'this', as in | |
| 2198 // this.ident | |
| 2199 | |
| 2200 DotVarExp *de; | |
| 2201 | |
| 2202 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2203 return de->semantic(sc); | |
| 2204 } | |
| 2205 } | |
| 2206 | |
| 2207 em = s->isEnumMember(); | |
| 2208 if (em) | |
| 2209 { | |
| 2210 e = em->value->copy(); | |
| 2211 e = e->semantic(sc); | |
| 2212 return e; | |
| 2213 } | |
| 2214 v = s->isVarDeclaration(); | |
| 2215 if (v) | |
| 2216 { | |
| 2217 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2218 if (!type) | |
| 2219 { type = v->type; | |
| 2220 if (!v->type) | |
| 2221 { error("forward reference of %s", v->toChars()); | |
| 2222 type = Type::terror; | |
| 2223 } | |
| 2224 } | |
|
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
|
2225 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray) |
| 159 | 2226 { |
| 2227 if (v->init) | |
| 2228 { | |
| 2229 if (v->inuse) | |
| 2230 { | |
| 2231 error("circular reference to '%s'", v->toChars()); | |
| 2232 type = Type::tint32; | |
| 2233 return this; | |
| 2234 } | |
| 2235 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2236 if (ei) | |
| 2237 { | |
| 2238 e = ei->exp->copy(); // make copy so we can change loc | |
| 2239 if (e->op == TOKstring || !e->type) | |
| 2240 e = e->semantic(sc); | |
| 2241 e = e->implicitCastTo(sc, type); | |
| 2242 e->loc = loc; | |
| 2243 return e; | |
| 2244 } | |
| 2245 } | |
| 2246 else | |
| 2247 { | |
| 2248 e = type->defaultInit(); | |
| 2249 e->loc = loc; | |
| 2250 return e; | |
| 2251 } | |
| 2252 } | |
| 2253 e = new VarExp(loc, v); | |
| 2254 e->type = type; | |
| 2255 e = e->semantic(sc); | |
| 2256 return e->deref(); | |
| 2257 } | |
| 2258 fld = s->isFuncLiteralDeclaration(); | |
| 2259 if (fld) | |
| 2260 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2261 e = new FuncExp(loc, fld); | |
| 2262 return e->semantic(sc); | |
| 2263 } | |
| 2264 f = s->isFuncDeclaration(); | |
| 2265 if (f) | |
| 2266 { //printf("'%s' is a function\n", f->toChars()); | |
| 1587 | 2267 if (!f->type->deco) |
| 2268 { | |
| 2269 error("forward reference to %s", toChars()); | |
|
1612
081c48283153
Merge DMD r278: bugzilla 370 Compiler stack overflow on recursive...
Leandro Lucarella <llucax@gmail.com>
parents:
1611
diff
changeset
|
2270 return new ErrorExp(); |
| 1587 | 2271 } |
| 159 | 2272 return new VarExp(loc, f); |
| 2273 } | |
| 2274 cd = s->isClassDeclaration(); | |
| 2275 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2276 { | |
| 2277 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2278 DotTypeExp *dte; | |
| 2279 | |
| 2280 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2281 return dte->semantic(sc); | |
| 2282 } | |
| 2283 imp = s->isImport(); | |
| 2284 if (imp) | |
| 2285 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2286 if (!imp->pkg) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2287 { 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
|
2288 return this; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2289 } |
|
e961851fb8be
Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2290 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2291 return ie->semantic(sc); |
| 2292 } | |
| 2293 pkg = s->isPackage(); | |
| 2294 if (pkg) | |
| 2295 { | |
| 2296 ScopeExp *ie; | |
| 2297 | |
| 2298 ie = new ScopeExp(loc, pkg); | |
| 2299 return ie->semantic(sc); | |
| 2300 } | |
| 2301 Module *mod = s->isModule(); | |
| 2302 if (mod) | |
| 2303 { | |
| 2304 ScopeExp *ie; | |
| 2305 | |
| 2306 ie = new ScopeExp(loc, mod); | |
| 2307 return ie->semantic(sc); | |
| 2308 } | |
| 2309 | |
| 2310 t = s->getType(); | |
| 2311 if (t) | |
| 2312 { | |
| 2313 return new TypeExp(loc, t); | |
| 2314 } | |
| 2315 | |
| 2316 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2317 if (tup) | |
| 2318 { | |
| 2319 e = new TupleExp(loc, tup); | |
| 2320 e = e->semantic(sc); | |
| 2321 return e; | |
| 2322 } | |
| 2323 | |
| 2324 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2325 if (ti && !global.errors) | |
| 1587 | 2326 { if (!ti->semanticRun) |
| 159 | 2327 ti->semantic(sc); |
| 2328 s = ti->inst->toAlias(); | |
| 2329 if (!s->isTemplateInstance()) | |
| 2330 goto Lagain; | |
| 2331 e = new ScopeExp(loc, ti); | |
| 2332 e = e->semantic(sc); | |
| 2333 return e; | |
| 2334 } | |
| 2335 | |
| 2336 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2337 if (td) | |
| 2338 { | |
| 2339 e = new TemplateExp(loc, td); | |
| 2340 e = e->semantic(sc); | |
| 2341 return e; | |
| 2342 } | |
| 2343 | |
| 2344 Lerr: | |
| 2345 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2346 type = Type::terror; | |
| 2347 return this; | |
| 2348 } | |
| 2349 | |
| 2350 char *DsymbolExp::toChars() | |
| 2351 { | |
| 2352 return s->toChars(); | |
| 2353 } | |
| 2354 | |
| 2355 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2356 { | |
| 2357 buf->writestring(s->toChars()); | |
| 2358 } | |
| 2359 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2360 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2361 int DsymbolExp::isLvalue() |
|
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:
846
diff
changeset
|
2363 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2364 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2365 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2366 |
| 159 | 2367 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2368 { | |
| 2369 #if 0 | |
| 2370 tym = tybasic(e1->ET->Tty); | |
| 2371 if (!(tyscalar(tym) || | |
| 2372 tym == TYstruct || | |
| 2373 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2374 synerr(EM_lvalue); // lvalue expected | |
| 2375 #endif | |
| 2376 return this; | |
| 2377 } | |
| 2378 | |
| 2379 /******************************** ThisExp **************************/ | |
| 2380 | |
| 2381 ThisExp::ThisExp(Loc loc) | |
| 2382 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2383 { | |
| 2384 var = NULL; | |
| 2385 } | |
| 2386 | |
| 2387 Expression *ThisExp::semantic(Scope *sc) | |
| 2388 { FuncDeclaration *fd; | |
| 2389 FuncDeclaration *fdthis; | |
| 2390 int nested = 0; | |
| 2391 | |
| 2392 #if LOGSEMANTIC | |
| 2393 printf("ThisExp::semantic()\n"); | |
| 2394 #endif | |
| 2395 if (type) | |
| 2396 { //assert(global.errors || var); | |
| 2397 return this; | |
| 2398 } | |
| 2399 | |
| 2400 /* Special case for typeof(this) and typeof(super) since both | |
| 2401 * should work even if they are not inside a non-static member function | |
| 2402 */ | |
| 2403 if (sc->intypeof) | |
| 2404 { | |
| 2405 // Find enclosing struct or class | |
| 2406 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2407 { | |
| 2408 ClassDeclaration *cd; | |
| 2409 StructDeclaration *sd; | |
| 2410 | |
| 2411 if (!s) | |
| 2412 { | |
| 2413 error("%s is not in a struct or class scope", toChars()); | |
| 2414 goto Lerr; | |
| 2415 } | |
| 2416 cd = s->isClassDeclaration(); | |
| 2417 if (cd) | |
| 2418 { | |
| 2419 type = cd->type; | |
| 2420 return this; | |
| 2421 } | |
| 2422 sd = s->isStructDeclaration(); | |
| 2423 if (sd) | |
| 2424 { | |
| 2425 type = sd->type->pointerTo(); | |
| 2426 return this; | |
| 2427 } | |
| 2428 } | |
| 2429 } | |
| 2430 | |
| 2431 fdthis = sc->parent->isFuncDeclaration(); | |
| 2432 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2433 if (!fd) | |
| 2434 goto Lerr; | |
| 2435 | |
| 2436 assert(fd->vthis); | |
| 2437 var = fd->vthis; | |
| 2438 assert(var->parent); | |
| 2439 type = var->type; | |
| 2440 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2441 #if 0 | |
| 2442 if (fd != fdthis) // if nested | |
| 2443 { | |
| 2444 fdthis->getLevel(loc, fd); | |
| 2445 fd->vthis->nestedref = 1; | |
| 2446 fd->nestedFrameRef = 1; | |
| 2447 } | |
| 2448 #endif | |
| 336 | 2449 if (!sc->intypeof) |
| 2450 sc->callSuper |= CSXthis; | |
| 159 | 2451 return this; |
| 2452 | |
| 2453 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
|
2454 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
|
2455 type = Type::terror; |
| 159 | 2456 return this; |
| 2457 } | |
| 2458 | |
| 2459 int ThisExp::isBool(int result) | |
| 2460 { | |
| 2461 return result ? TRUE : FALSE; | |
| 2462 } | |
| 2463 | |
| 2464 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2465 { | |
| 2466 buf->writestring("this"); | |
| 2467 } | |
| 2468 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2469 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2470 int ThisExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2473 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2474 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2475 |
| 159 | 2476 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2477 { | |
| 2478 return this; | |
| 2479 } | |
| 2480 | |
| 2481 /******************************** SuperExp **************************/ | |
| 2482 | |
| 2483 SuperExp::SuperExp(Loc loc) | |
| 2484 : ThisExp(loc) | |
| 2485 { | |
| 2486 op = TOKsuper; | |
| 2487 } | |
| 2488 | |
| 2489 Expression *SuperExp::semantic(Scope *sc) | |
| 2490 { FuncDeclaration *fd; | |
| 2491 FuncDeclaration *fdthis; | |
| 2492 ClassDeclaration *cd; | |
| 2493 Dsymbol *s; | |
| 2494 | |
| 2495 #if LOGSEMANTIC | |
| 2496 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2497 #endif | |
| 2498 if (type) | |
| 2499 return this; | |
| 2500 | |
| 2501 /* Special case for typeof(this) and typeof(super) since both | |
| 2502 * should work even if they are not inside a non-static member function | |
| 2503 */ | |
| 2504 if (sc->intypeof) | |
| 2505 { | |
| 2506 // Find enclosing class | |
| 2507 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2508 { | |
| 2509 ClassDeclaration *cd; | |
| 2510 | |
| 2511 if (!s) | |
| 2512 { | |
| 2513 error("%s is not in a class scope", toChars()); | |
| 2514 goto Lerr; | |
| 2515 } | |
| 2516 cd = s->isClassDeclaration(); | |
| 2517 if (cd) | |
| 2518 { | |
| 2519 cd = cd->baseClass; | |
| 2520 if (!cd) | |
| 2521 { error("class %s has no 'super'", s->toChars()); | |
| 2522 goto Lerr; | |
| 2523 } | |
| 2524 type = cd->type; | |
| 2525 return this; | |
| 2526 } | |
| 2527 } | |
| 2528 } | |
| 2529 | |
| 2530 fdthis = sc->parent->isFuncDeclaration(); | |
| 2531 fd = hasThis(sc); | |
| 2532 if (!fd) | |
| 2533 goto Lerr; | |
| 2534 assert(fd->vthis); | |
| 2535 var = fd->vthis; | |
| 2536 assert(var->parent); | |
| 2537 | |
| 2538 s = fd->toParent(); | |
| 2539 while (s && s->isTemplateInstance()) | |
| 2540 s = s->toParent(); | |
| 2541 assert(s); | |
| 2542 cd = s->isClassDeclaration(); | |
| 2543 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2544 if (!cd) | |
| 2545 goto Lerr; | |
| 2546 if (!cd->baseClass) | |
| 2547 { | |
| 2548 error("no base class for %s", cd->toChars()); | |
| 2549 type = fd->vthis->type; | |
| 2550 } | |
| 2551 else | |
| 2552 { | |
| 2553 type = cd->baseClass->type; | |
| 2554 } | |
| 2555 | |
| 2556 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2557 #if 0 | |
| 2558 if (fd != fdthis) | |
| 2559 { | |
| 2560 fdthis->getLevel(loc, fd); | |
| 2561 fd->vthis->nestedref = 1; | |
| 2562 fd->nestedFrameRef = 1; | |
| 2563 } | |
| 2564 #endif | |
| 2565 | |
| 336 | 2566 if (!sc->intypeof) |
| 2567 sc->callSuper |= CSXsuper; | |
| 159 | 2568 return this; |
| 2569 | |
| 2570 | |
| 2571 Lerr: | |
| 2572 error("'super' is only allowed in non-static class member functions"); | |
| 2573 type = Type::tint32; | |
| 2574 return this; | |
| 2575 } | |
| 2576 | |
| 2577 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2578 { | |
| 2579 buf->writestring("super"); | |
| 2580 } | |
| 2581 | |
| 2582 | |
| 2583 /******************************** NullExp **************************/ | |
| 2584 | |
| 2585 NullExp::NullExp(Loc loc) | |
| 2586 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2587 { | |
| 2588 committed = 0; | |
| 2589 } | |
| 2590 | |
| 2591 Expression *NullExp::semantic(Scope *sc) | |
| 2592 { | |
| 2593 #if LOGSEMANTIC | |
| 2594 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2595 #endif | |
| 2596 // NULL is the same as (void *)0 | |
| 2597 if (!type) | |
| 2598 type = Type::tvoid->pointerTo(); | |
| 2599 return this; | |
| 2600 } | |
| 2601 | |
| 2602 int NullExp::isBool(int result) | |
| 2603 { | |
| 2604 return result ? FALSE : TRUE; | |
| 2605 } | |
| 2606 | |
| 2607 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2608 { | |
| 2609 buf->writestring("null"); | |
| 2610 } | |
| 2611 | |
| 2612 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2613 { | |
| 2614 buf->writeByte('n'); | |
| 2615 } | |
| 2616 | |
| 2617 /******************************** StringExp **************************/ | |
| 2618 | |
| 2619 StringExp::StringExp(Loc loc, char *string) | |
| 2620 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2621 { | |
| 2622 this->string = string; | |
| 2623 this->len = strlen(string); | |
| 2624 this->sz = 1; | |
| 2625 this->committed = 0; | |
| 2626 this->postfix = 0; | |
| 2627 } | |
| 2628 | |
| 2629 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2630 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2631 { | |
| 2632 this->string = string; | |
| 2633 this->len = len; | |
| 2634 this->sz = 1; | |
| 2635 this->committed = 0; | |
| 2636 this->postfix = 0; | |
| 2637 } | |
| 2638 | |
| 2639 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2640 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2641 { | |
| 2642 this->string = string; | |
| 2643 this->len = len; | |
| 2644 this->sz = 1; | |
| 2645 this->committed = 0; | |
| 2646 this->postfix = postfix; | |
| 2647 } | |
| 2648 | |
| 2649 #if 0 | |
| 2650 Expression *StringExp::syntaxCopy() | |
| 2651 { | |
| 2652 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2653 return copy(); | |
| 2654 } | |
| 2655 #endif | |
| 2656 | |
| 2657 int StringExp::equals(Object *o) | |
| 2658 { | |
| 2659 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2660 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2661 { Expression *e = (Expression *)o; | |
| 2662 | |
| 2663 if (e->op == TOKstring) | |
| 2664 { | |
| 2665 return compare(o) == 0; | |
| 2666 } | |
| 2667 } | |
| 2668 return FALSE; | |
| 2669 } | |
| 2670 | |
| 2671 char *StringExp::toChars() | |
| 2672 { | |
| 2673 OutBuffer buf; | |
| 2674 HdrGenState hgs; | |
| 2675 char *p; | |
| 2676 | |
| 2677 memset(&hgs, 0, sizeof(hgs)); | |
| 2678 toCBuffer(&buf, &hgs); | |
| 2679 buf.writeByte(0); | |
| 2680 p = (char *)buf.data; | |
| 2681 buf.data = NULL; | |
| 2682 return p; | |
| 2683 } | |
| 2684 | |
| 2685 Expression *StringExp::semantic(Scope *sc) | |
| 2686 { | |
| 2687 #if LOGSEMANTIC | |
| 2688 printf("StringExp::semantic() %s\n", toChars()); | |
| 2689 #endif | |
| 2690 if (!type) | |
| 2691 { OutBuffer buffer; | |
| 2692 size_t newlen = 0; | |
|
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846
diff
changeset
|
2693 const char *p; |
| 159 | 2694 size_t u; |
| 2695 unsigned c; | |
| 2696 | |
| 2697 switch (postfix) | |
| 2698 { | |
| 2699 case 'd': | |
| 2700 for (u = 0; u < len;) | |
| 2701 { | |
| 2702 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2703 if (p) | |
| 2704 { error("%s", p); | |
| 2705 break; | |
| 2706 } | |
| 2707 else | |
| 2708 { buffer.write4(c); | |
| 2709 newlen++; | |
| 2710 } | |
| 2711 } | |
| 2712 buffer.write4(0); | |
| 2713 string = buffer.extractData(); | |
| 2714 len = newlen; | |
| 2715 sz = 4; | |
| 2716 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2717 committed = 1; | |
| 2718 break; | |
| 2719 | |
| 2720 case 'w': | |
| 2721 for (u = 0; u < len;) | |
| 2722 { | |
| 2723 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2724 if (p) | |
| 2725 { error("%s", p); | |
| 2726 break; | |
| 2727 } | |
| 2728 else | |
| 2729 { buffer.writeUTF16(c); | |
| 2730 newlen++; | |
| 2731 if (c >= 0x10000) | |
| 2732 newlen++; | |
| 2733 } | |
| 2734 } | |
| 2735 buffer.writeUTF16(0); | |
| 2736 string = buffer.extractData(); | |
| 2737 len = newlen; | |
| 2738 sz = 2; | |
| 2739 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2740 committed = 1; | |
| 2741 break; | |
| 2742 | |
| 2743 case 'c': | |
| 2744 committed = 1; | |
| 2745 default: | |
| 2746 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2747 break; | |
| 2748 } | |
| 2749 type = type->semantic(loc, sc); | |
| 2750 } | |
| 2751 return this; | |
| 2752 } | |
| 2753 | |
| 2754 /**************************************** | |
| 2755 * Convert string to char[]. | |
| 2756 */ | |
| 2757 | |
| 2758 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2759 { | |
| 2760 if (sz != 1) | |
| 2761 { // Convert to UTF-8 string | |
| 2762 committed = 0; | |
| 2763 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2764 e = e->optimize(WANTvalue); | |
| 2765 assert(e->op == TOKstring); | |
| 2766 StringExp *se = (StringExp *)e; | |
| 2767 assert(se->sz == 1); | |
| 2768 return se; | |
| 2769 } | |
| 2770 return this; | |
| 2771 } | |
| 2772 | |
| 2773 int StringExp::compare(Object *obj) | |
| 2774 { | |
| 2775 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2776 StringExp *se2 = (StringExp *)(obj); | |
| 2777 | |
| 2778 // This is a kludge so isExpression() in template.c will return 5 | |
| 2779 // for StringExp's. | |
| 2780 if (!se2) | |
| 2781 return 5; | |
| 2782 | |
| 2783 assert(se2->op == TOKstring); | |
| 2784 | |
| 2785 int len1 = len; | |
| 2786 int len2 = se2->len; | |
| 2787 | |
| 2788 if (len1 == len2) | |
| 2789 { | |
| 2790 switch (sz) | |
| 2791 { | |
| 2792 case 1: | |
| 2793 return strcmp((char *)string, (char *)se2->string); | |
| 2794 | |
| 2795 case 2: | |
| 2796 { unsigned u; | |
| 2797 d_wchar *s1 = (d_wchar *)string; | |
| 2798 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2799 | |
| 2800 for (u = 0; u < len; u++) | |
| 2801 { | |
| 2802 if (s1[u] != s2[u]) | |
| 2803 return s1[u] - s2[u]; | |
| 2804 } | |
| 2805 } | |
| 2806 | |
| 2807 case 4: | |
| 2808 { unsigned u; | |
| 2809 d_dchar *s1 = (d_dchar *)string; | |
| 2810 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2811 | |
| 2812 for (u = 0; u < len; u++) | |
| 2813 { | |
| 2814 if (s1[u] != s2[u]) | |
| 2815 return s1[u] - s2[u]; | |
| 2816 } | |
| 2817 } | |
| 2818 break; | |
| 2819 | |
| 2820 default: | |
| 2821 assert(0); | |
| 2822 } | |
| 2823 } | |
| 2824 return len1 - len2; | |
| 2825 } | |
| 2826 | |
| 2827 int StringExp::isBool(int result) | |
| 2828 { | |
| 2829 return result ? TRUE : FALSE; | |
| 2830 } | |
| 2831 | |
| 2832 unsigned StringExp::charAt(size_t i) | |
| 2833 { unsigned value; | |
| 2834 | |
| 2835 switch (sz) | |
| 2836 { | |
| 2837 case 1: | |
| 2838 value = ((unsigned char *)string)[i]; | |
| 2839 break; | |
| 2840 | |
| 2841 case 2: | |
| 2842 value = ((unsigned short *)string)[i]; | |
| 2843 break; | |
| 2844 | |
| 2845 case 4: | |
| 2846 value = ((unsigned int *)string)[i]; | |
| 2847 break; | |
| 2848 | |
| 2849 default: | |
| 2850 assert(0); | |
| 2851 break; | |
| 2852 } | |
| 2853 return value; | |
| 2854 } | |
| 2855 | |
| 2856 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2857 { | |
| 2858 buf->writeByte('"'); | |
| 2859 for (size_t i = 0; i < len; i++) | |
| 2860 { unsigned c = charAt(i); | |
| 2861 | |
| 2862 switch (c) | |
| 2863 { | |
| 2864 case '"': | |
| 2865 case '\\': | |
| 2866 if (!hgs->console) | |
| 2867 buf->writeByte('\\'); | |
| 2868 default: | |
| 2869 if (c <= 0xFF) | |
| 2870 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2871 buf->writeByte(c); | |
| 2872 else | |
| 2873 buf->printf("\\x%02x", c); | |
| 2874 } | |
| 2875 else if (c <= 0xFFFF) | |
| 2876 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2877 else | |
| 2878 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2879 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2880 break; | |
| 2881 } | |
| 2882 } | |
| 2883 buf->writeByte('"'); | |
| 2884 if (postfix) | |
| 2885 buf->writeByte(postfix); | |
| 2886 } | |
| 2887 | |
| 2888 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2889 { char m; | |
| 2890 OutBuffer tmp; | |
|
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parents:
846
diff
changeset
|
2891 const char *p; |
| 159 | 2892 unsigned c; |
| 2893 size_t u; | |
| 2894 unsigned char *q; | |
| 2895 unsigned qlen; | |
| 2896 | |
| 2897 /* Write string in UTF-8 format | |
| 2898 */ | |
| 2899 switch (sz) | |
| 2900 { case 1: | |
| 2901 m = 'a'; | |
| 2902 q = (unsigned char *)string; | |
| 2903 qlen = len; | |
| 2904 break; | |
| 2905 case 2: | |
| 2906 m = 'w'; | |
| 2907 for (u = 0; u < len; ) | |
| 2908 { | |
| 2909 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2910 if (p) | |
| 2911 error("%s", p); | |
| 2912 else | |
| 2913 tmp.writeUTF8(c); | |
| 2914 } | |
| 2915 q = tmp.data; | |
| 2916 qlen = tmp.offset; | |
| 2917 break; | |
| 2918 case 4: | |
| 2919 m = 'd'; | |
| 2920 for (u = 0; u < len; u++) | |
| 2921 { | |
| 2922 c = ((unsigned *)string)[u]; | |
| 2923 if (!utf_isValidDchar(c)) | |
| 2924 error("invalid UCS-32 char \\U%08x", c); | |
| 2925 else | |
| 2926 tmp.writeUTF8(c); | |
| 2927 } | |
| 2928 q = tmp.data; | |
| 2929 qlen = tmp.offset; | |
| 2930 break; | |
| 2931 default: | |
| 2932 assert(0); | |
| 2933 } | |
| 2934 buf->writeByte(m); | |
| 2935 buf->printf("%d_", qlen); | |
| 2936 for (size_t i = 0; i < qlen; i++) | |
| 2937 buf->printf("%02x", q[i]); | |
| 2938 } | |
| 2939 | |
| 2940 /************************ ArrayLiteralExp ************************************/ | |
| 2941 | |
| 2942 // [ e1, e2, e3, ... ] | |
| 2943 | |
| 2944 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2945 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2946 { | |
| 2947 this->elements = elements; | |
| 2948 } | |
| 2949 | |
| 2950 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2951 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2952 { | |
| 2953 elements = new Expressions; | |
| 2954 elements->push(e); | |
| 2955 } | |
| 2956 | |
| 2957 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2958 { | |
| 2959 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2960 } | |
| 2961 | |
| 2962 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2963 { Expression *e; | |
| 2964 Type *t0 = NULL; | |
| 2965 | |
| 2966 #if LOGSEMANTIC | |
| 2967 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2968 #endif | |
| 2969 if (type) | |
| 2970 return this; | |
| 2971 | |
| 2972 // Run semantic() on each element | |
| 2973 for (int i = 0; i < elements->dim; i++) | |
| 2974 { e = (Expression *)elements->data[i]; | |
| 2975 e = e->semantic(sc); | |
| 2976 elements->data[i] = (void *)e; | |
| 2977 } | |
| 2978 expandTuples(elements); | |
| 2979 for (int i = 0; i < elements->dim; i++) | |
| 2980 { e = (Expression *)elements->data[i]; | |
| 2981 | |
| 2982 if (!e->type) | |
| 2983 error("%s has no value", e->toChars()); | |
| 2984 e = resolveProperties(sc, e); | |
| 2985 | |
| 2986 unsigned char committed = 1; | |
| 2987 if (e->op == TOKstring) | |
| 2988 committed = ((StringExp *)e)->committed; | |
| 2989 | |
| 2990 if (!t0) | |
| 2991 { t0 = e->type; | |
| 2992 // Convert any static arrays to dynamic arrays | |
| 2993 if (t0->ty == Tsarray) | |
| 2994 { | |
|
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486
diff
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|
2995 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2996 e = e->implicitCastTo(sc, t0); |
| 2997 } | |
| 2998 } | |
| 2999 else | |
| 3000 e = e->implicitCastTo(sc, t0); | |
| 3001 if (!committed && e->op == TOKstring) | |
| 3002 { StringExp *se = (StringExp *)e; | |
| 3003 se->committed = 0; | |
| 3004 } | |
| 3005 elements->data[i] = (void *)e; | |
| 3006 } | |
| 3007 | |
| 3008 if (!t0) | |
| 3009 t0 = Type::tvoid; | |
| 3010 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 3011 type = type->semantic(loc, sc); | |
| 3012 return this; | |
| 3013 } | |
| 3014 | |
| 3015 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 3016 { int f = 0; | |
| 3017 | |
| 3018 for (size_t i = 0; i < elements->dim; i++) | |
| 3019 { Expression *e = (Expression *)elements->data[i]; | |
| 3020 | |
| 3021 f |= e->checkSideEffect(2); | |
| 3022 } | |
| 3023 if (flag == 0 && f == 0) | |
| 3024 Expression::checkSideEffect(0); | |
| 3025 return f; | |
| 3026 } | |
| 3027 | |
| 3028 int ArrayLiteralExp::isBool(int result) | |
| 3029 { | |
| 3030 size_t dim = elements ? elements->dim : 0; | |
| 3031 return result ? (dim != 0) : (dim == 0); | |
| 3032 } | |
| 3033 | |
|
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diff
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|
3034 #if DMDV2 |
|
330f999ade44
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|
3035 int ArrayLiteralExp::canThrow() |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
3036 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3037 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3038 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3039 #endif |
|
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parents:
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diff
changeset
|
3040 |
| 159 | 3041 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3042 { | |
| 3043 buf->writeByte('['); | |
| 3044 argsToCBuffer(buf, elements, hgs); | |
| 3045 buf->writeByte(']'); | |
| 3046 } | |
| 3047 | |
| 3048 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3049 { | |
| 3050 size_t dim = elements ? elements->dim : 0; | |
|
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diff
changeset
|
3051 buf->printf("A%zu", dim); |
| 159 | 3052 for (size_t i = 0; i < dim; i++) |
| 3053 { Expression *e = (Expression *)elements->data[i]; | |
| 3054 e->toMangleBuffer(buf); | |
| 3055 } | |
| 3056 } | |
| 3057 | |
| 3058 /************************ AssocArrayLiteralExp ************************************/ | |
| 3059 | |
| 3060 // [ key0 : value0, key1 : value1, ... ] | |
| 3061 | |
| 3062 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 3063 Expressions *keys, Expressions *values) | |
| 3064 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 3065 { | |
| 3066 assert(keys->dim == values->dim); | |
| 3067 this->keys = keys; | |
| 3068 this->values = values; | |
| 3069 } | |
| 3070 | |
| 3071 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 3072 { | |
| 3073 return new AssocArrayLiteralExp(loc, | |
| 3074 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 3075 } | |
| 3076 | |
| 3077 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 3078 { Expression *e; | |
| 3079 | |
| 3080 #if LOGSEMANTIC | |
| 3081 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 3082 #endif | |
| 3083 | |
| 3084 // Run semantic() on each element | |
|
1604
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Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3085 arrayExpressionSemantic(keys, sc); |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3086 arrayExpressionSemantic(values, sc); |
| 159 | 3087 expandTuples(keys); |
| 3088 expandTuples(values); | |
| 3089 if (keys->dim != values->dim) | |
| 3090 { | |
| 3091 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 3092 keys->setDim(0); | |
| 3093 values->setDim(0); | |
| 3094 } | |
|
1604
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Merge DMD r250: harmonize
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parents:
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diff
changeset
|
3095 |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
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diff
changeset
|
3096 Type *tkey = NULL; |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3097 Type *tvalue = NULL; |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3098 keys = arrayExpressionToCommonType(sc, keys, &tkey); |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
1587
diff
changeset
|
3099 values = arrayExpressionToCommonType(sc, values, &tvalue); |
|
2afcaab30a6a
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parents:
1587
diff
changeset
|
3100 |
| 159 | 3101 type = new TypeAArray(tvalue, tkey); |
| 3102 type = type->semantic(loc, sc); | |
| 3103 return this; | |
| 3104 } | |
| 3105 | |
| 3106 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3107 { int f = 0; | |
| 3108 | |
| 3109 for (size_t i = 0; i < keys->dim; i++) | |
| 3110 { Expression *key = (Expression *)keys->data[i]; | |
| 3111 Expression *value = (Expression *)values->data[i]; | |
| 3112 | |
| 3113 f |= key->checkSideEffect(2); | |
| 3114 f |= value->checkSideEffect(2); | |
| 3115 } | |
| 3116 if (flag == 0 && f == 0) | |
| 3117 Expression::checkSideEffect(0); | |
| 3118 return f; | |
| 3119 } | |
| 3120 | |
| 3121 int AssocArrayLiteralExp::isBool(int result) | |
| 3122 { | |
| 3123 size_t dim = keys->dim; | |
| 3124 return result ? (dim != 0) : (dim == 0); | |
| 3125 } | |
| 3126 | |
|
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|
3127 #if DMDV2 |
|
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|
3128 int AssocArrayLiteralExp::canThrow() |
|
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diff
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|
3129 { |
|
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diff
changeset
|
3130 return 1; |
|
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parents:
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diff
changeset
|
3131 } |
|
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parents:
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diff
changeset
|
3132 #endif |
|
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diff
changeset
|
3133 |
| 159 | 3134 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3135 { | |
| 3136 buf->writeByte('['); | |
| 3137 for (size_t i = 0; i < keys->dim; i++) | |
| 3138 { Expression *key = (Expression *)keys->data[i]; | |
| 3139 Expression *value = (Expression *)values->data[i]; | |
| 3140 | |
| 3141 if (i) | |
| 3142 buf->writeByte(','); | |
| 3143 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3144 buf->writeByte(':'); | |
| 3145 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3146 } | |
| 3147 buf->writeByte(']'); | |
| 3148 } | |
| 3149 | |
| 3150 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3151 { | |
| 3152 size_t dim = keys->dim; | |
|
1372
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parents:
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diff
changeset
|
3153 buf->printf("A%zu", dim); |
| 159 | 3154 for (size_t i = 0; i < dim; i++) |
| 3155 { Expression *key = (Expression *)keys->data[i]; | |
| 3156 Expression *value = (Expression *)values->data[i]; | |
| 3157 | |
| 3158 key->toMangleBuffer(buf); | |
| 3159 value->toMangleBuffer(buf); | |
| 3160 } | |
| 3161 } | |
| 3162 | |
| 3163 /************************ StructLiteralExp ************************************/ | |
| 3164 | |
| 3165 // sd( e1, e2, e3, ... ) | |
| 3166 | |
| 3167 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3168 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3169 { | |
| 3170 this->sd = sd; | |
| 3171 this->elements = elements; | |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1133
diff
changeset
|
3172 #if IN_DMD |
| 159 | 3173 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
|
3174 #endif |
| 159 | 3175 this->soffset = 0; |
| 3176 this->fillHoles = 1; | |
| 3177 } | |
| 3178 | |
| 3179 Expression *StructLiteralExp::syntaxCopy() | |
| 3180 { | |
| 3181 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3182 } | |
| 3183 | |
| 3184 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3185 { Expression *e; | |
| 3186 | |
| 3187 #if LOGSEMANTIC | |
| 3188 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3189 #endif | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3190 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3191 return this; |
| 159 | 3192 |
| 3193 // Run semantic() on each element | |
| 3194 for (size_t i = 0; i < elements->dim; i++) | |
| 3195 { e = (Expression *)elements->data[i]; | |
| 3196 if (!e) | |
| 3197 continue; | |
| 3198 e = e->semantic(sc); | |
| 3199 elements->data[i] = (void *)e; | |
| 3200 } | |
| 3201 expandTuples(elements); | |
| 3202 size_t offset = 0; | |
| 3203 for (size_t i = 0; i < elements->dim; i++) | |
| 3204 { e = (Expression *)elements->data[i]; | |
| 3205 if (!e) | |
| 3206 continue; | |
| 3207 | |
| 3208 if (!e->type) | |
| 3209 error("%s has no value", e->toChars()); | |
| 3210 e = resolveProperties(sc, e); | |
| 3211 if (i >= sd->fields.dim) | |
| 3212 { error("more initializers than fields of %s", sd->toChars()); | |
| 3213 break; | |
| 3214 } | |
| 3215 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3216 VarDeclaration *v = s->isVarDeclaration(); | |
| 3217 assert(v); | |
| 3218 if (v->offset < offset) | |
| 3219 error("overlapping initialization for %s", v->toChars()); | |
| 3220 offset = v->offset + v->type->size(); | |
| 3221 | |
| 3222 Type *telem = v->type; | |
| 3223 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3224 { /* Static array initialization, as in: | |
| 3225 * T[3][5] = e; | |
| 3226 */ | |
| 3227 telem = telem->toBasetype()->nextOf(); | |
| 3228 } | |
| 3229 | |
| 3230 e = e->implicitCastTo(sc, telem); | |
| 3231 | |
| 3232 elements->data[i] = (void *)e; | |
| 3233 } | |
| 3234 | |
| 3235 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3236 */ | |
| 3237 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3238 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3239 VarDeclaration *v = s->isVarDeclaration(); | |
| 3240 assert(v); | |
| 3241 | |
| 3242 if (v->offset < offset) | |
| 3243 { e = NULL; | |
| 3244 sd->hasUnions = 1; | |
| 3245 } | |
| 3246 else | |
| 3247 { | |
| 3248 if (v->init) | |
| 3249 { e = v->init->toExpression(); | |
| 3250 if (!e) | |
| 1587 | 3251 { error("cannot make expression out of initializer for %s", v->toChars()); |
| 3252 e = new ErrorExp(); | |
| 3253 } | |
| 3254 else if (v->scope) | |
| 3255 { // Do deferred semantic anaylsis | |
| 3256 Initializer *i2 = v->init->syntaxCopy(); | |
| 3257 i2 = i2->semantic(v->scope, v->type); | |
| 3258 e = i2->toExpression(); | |
| 3259 v->scope = NULL; | |
| 3260 } | |
| 159 | 3261 } |
| 3262 else | |
| 3263 { e = v->type->defaultInit(); | |
| 3264 e->loc = loc; | |
| 3265 } | |
| 3266 offset = v->offset + v->type->size(); | |
| 3267 } | |
| 3268 elements->push(e); | |
| 3269 } | |
| 3270 | |
| 3271 type = sd->type; | |
| 3272 return this; | |
| 3273 } | |
| 3274 | |
| 3275 /************************************** | |
| 3276 * Gets expression at offset of type. | |
| 3277 * Returns NULL if not found. | |
| 3278 */ | |
| 3279 | |
| 3280 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
|
3281 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3282 //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
|
3283 // /*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
|
3284 Expression *e = NULL; |
| 159 | 3285 int i = getFieldIndex(type, offset); |
| 3286 | |
| 3287 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
|
3288 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3289 //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
|
3290 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
|
3291 e = (Expression *)elements->data[i]; |
| 159 | 3292 if (e) |
| 3293 { | |
| 1587 | 3294 //printf("e = %s, e->type = %s\n", e->toChars(), e->type->toChars()); |
| 3295 | |
| 3296 /* If type is a static array, and e is an initializer for that array, | |
| 3297 * then the field initializer should be an array literal of e. | |
| 3298 */ | |
| 3299 if (e->type != type && type->ty == Tsarray) | |
| 3300 { TypeSArray *tsa = (TypeSArray *)type; | |
| 3301 uinteger_t length = tsa->dim->toInteger(); | |
| 3302 Expressions *z = new Expressions; | |
| 3303 z->setDim(length); | |
| 3304 for (int q = 0; q < length; ++q) | |
| 3305 z->data[q] = e->copy(); | |
| 3306 e = new ArrayLiteralExp(loc, z); | |
| 3307 e->type = type; | |
| 3308 } | |
| 3309 else | |
| 3310 { | |
| 3311 e = e->copy(); | |
| 3312 e->type = type; | |
| 3313 } | |
| 159 | 3314 } |
| 3315 } | |
| 3316 return e; | |
| 3317 } | |
| 3318 | |
| 3319 /************************************ | |
| 3320 * Get index of field. | |
| 3321 * Returns -1 if not found. | |
| 3322 */ | |
| 3323 | |
| 3324 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3325 { | |
| 3326 /* Find which field offset is by looking at the field offsets | |
| 3327 */ | |
| 1587 | 3328 if (elements->dim) |
| 3329 { | |
| 3330 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3331 { | |
| 3332 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3333 VarDeclaration *v = s->isVarDeclaration(); | |
| 3334 assert(v); | |
| 3335 | |
| 3336 if (offset == v->offset && | |
| 3337 type->size() == v->type->size()) | |
| 3338 { Expression *e = (Expression *)elements->data[i]; | |
| 3339 if (e) | |
| 3340 { | |
| 3341 return i; | |
| 3342 } | |
| 3343 break; | |
| 3344 } | |
| 159 | 3345 } |
| 3346 } | |
| 3347 return -1; | |
| 3348 } | |
| 3349 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3350 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3351 int StructLiteralExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3354 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3355 #endif |
| 159 | 3356 |
| 3357 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3358 { | |
| 3359 return this; | |
| 3360 } | |
| 3361 | |
| 3362 | |
| 3363 int StructLiteralExp::checkSideEffect(int flag) | |
| 3364 { int f = 0; | |
| 3365 | |
| 3366 for (size_t i = 0; i < elements->dim; i++) | |
| 3367 { Expression *e = (Expression *)elements->data[i]; | |
| 3368 if (!e) | |
| 3369 continue; | |
| 3370 | |
| 3371 f |= e->checkSideEffect(2); | |
| 3372 } | |
| 3373 if (flag == 0 && f == 0) | |
| 3374 Expression::checkSideEffect(0); | |
| 3375 return f; | |
| 3376 } | |
| 3377 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3378 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3379 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3380 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3381 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3382 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3383 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3384 |
| 159 | 3385 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3386 { | |
| 3387 buf->writestring(sd->toChars()); | |
| 3388 buf->writeByte('('); | |
| 3389 argsToCBuffer(buf, elements, hgs); | |
| 3390 buf->writeByte(')'); | |
| 3391 } | |
| 3392 | |
| 3393 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3394 { | |
| 3395 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
|
3396 buf->printf("S%zu", dim); |
| 159 | 3397 for (size_t i = 0; i < dim; i++) |
| 3398 { Expression *e = (Expression *)elements->data[i]; | |
| 3399 if (e) | |
| 3400 e->toMangleBuffer(buf); | |
| 3401 else | |
| 3402 buf->writeByte('v'); // 'v' for void | |
| 3403 } | |
| 3404 } | |
| 3405 | |
| 3406 /************************ TypeDotIdExp ************************************/ | |
| 3407 | |
| 3408 /* Things like: | |
| 3409 * int.size | |
| 3410 * foo.size | |
| 3411 * (foo).size | |
| 3412 * cast(foo).size | |
| 3413 */ | |
| 3414 | |
|
1367
8026319762be
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Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3415 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
|
3416 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3417 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
|
3418 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3419 |
| 159 | 3420 |
| 3421 /************************************************************/ | |
| 3422 | |
| 3423 // Mainly just a placeholder | |
| 3424 | |
| 3425 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3426 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3427 { | |
| 3428 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3429 this->type = type; | |
| 3430 } | |
| 3431 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3432 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3433 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3434 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3435 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3436 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3437 |
| 159 | 3438 Expression *TypeExp::semantic(Scope *sc) |
| 3439 { | |
| 3440 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3441 type = type->semantic(loc, sc); | |
| 3442 return this; | |
| 3443 } | |
| 3444 | |
| 3445 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3446 { | |
| 3447 type->toCBuffer(buf, NULL, hgs); | |
| 3448 } | |
| 3449 | |
| 3450 /************************************************************/ | |
| 3451 | |
| 3452 // Mainly just a placeholder | |
| 3453 | |
| 3454 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3455 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3456 { | |
| 3457 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3458 //static int count; if (++count == 38) *(char*)0=0; | |
| 3459 this->sds = pkg; | |
| 3460 } | |
| 3461 | |
| 3462 Expression *ScopeExp::syntaxCopy() | |
| 3463 { | |
| 3464 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3465 return se; | |
| 3466 } | |
| 3467 | |
| 3468 Expression *ScopeExp::semantic(Scope *sc) | |
| 3469 { | |
| 3470 TemplateInstance *ti; | |
| 3471 ScopeDsymbol *sds2; | |
| 3472 | |
| 3473 #if LOGSEMANTIC | |
| 3474 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3475 #endif | |
| 3476 Lagain: | |
| 3477 ti = sds->isTemplateInstance(); | |
| 3478 if (ti && !global.errors) | |
| 3479 { Dsymbol *s; | |
| 1587 | 3480 if (!ti->semanticRun) |
| 159 | 3481 ti->semantic(sc); |
| 3482 s = ti->inst->toAlias(); | |
| 3483 sds2 = s->isScopeDsymbol(); | |
| 3484 if (!sds2) | |
| 3485 { Expression *e; | |
| 3486 | |
| 3487 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3488 if (ti->withsym) | |
| 3489 { | |
| 3490 // Same as wthis.s | |
| 3491 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3492 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3493 } | |
| 3494 else | |
| 3495 e = new DsymbolExp(loc, s); | |
| 3496 e = e->semantic(sc); | |
| 3497 //printf("-1ScopeExp::semantic()\n"); | |
| 3498 return e; | |
| 3499 } | |
| 3500 if (sds2 != sds) | |
| 3501 { | |
| 3502 sds = sds2; | |
| 3503 goto Lagain; | |
| 3504 } | |
| 3505 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3506 } | |
| 3507 else | |
| 3508 { | |
| 3509 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3510 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3511 sds->semantic(sc); | |
| 3512 } | |
| 3513 type = Type::tvoid; | |
| 3514 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3515 return this; | |
| 3516 } | |
| 3517 | |
| 3518 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3519 { | |
| 3520 if (sds->isTemplateInstance()) | |
| 3521 { | |
| 3522 sds->toCBuffer(buf, hgs); | |
| 3523 } | |
| 3524 else | |
| 3525 { | |
| 3526 buf->writestring(sds->kind()); | |
| 3527 buf->writestring(" "); | |
| 3528 buf->writestring(sds->toChars()); | |
| 3529 } | |
| 3530 } | |
| 3531 | |
| 3532 /********************** TemplateExp **************************************/ | |
| 3533 | |
| 3534 // Mainly just a placeholder | |
| 3535 | |
| 3536 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3537 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3538 { | |
| 3539 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3540 this->td = td; | |
| 3541 } | |
| 3542 | |
| 3543 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3544 { | |
| 3545 buf->writestring(td->toChars()); | |
| 3546 } | |
| 3547 | |
| 3548 void TemplateExp::rvalue() | |
| 3549 { | |
| 3550 error("template %s has no value", toChars()); | |
| 3551 } | |
| 3552 | |
| 3553 /********************** NewExp **************************************/ | |
| 3554 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3555 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3556 |
| 159 | 3557 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3558 Type *newtype, Expressions *arguments) | |
| 3559 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3560 { | |
| 3561 this->thisexp = thisexp; | |
| 3562 this->newargs = newargs; | |
| 3563 this->newtype = newtype; | |
| 3564 this->arguments = arguments; | |
| 3565 member = NULL; | |
| 3566 allocator = NULL; | |
| 3567 onstack = 0; | |
| 3568 } | |
| 3569 | |
| 3570 Expression *NewExp::syntaxCopy() | |
| 3571 { | |
| 3572 return new NewExp(loc, | |
| 3573 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3574 arraySyntaxCopy(newargs), | |
| 3575 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3576 } | |
| 3577 | |
| 3578 | |
| 3579 Expression *NewExp::semantic(Scope *sc) | |
| 3580 { int i; | |
| 3581 Type *tb; | |
| 3582 ClassDeclaration *cdthis = NULL; | |
| 3583 | |
| 3584 #if LOGSEMANTIC | |
| 3585 printf("NewExp::semantic() %s\n", toChars()); | |
| 3586 if (thisexp) | |
| 3587 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3588 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3589 #endif | |
| 3590 if (type) // if semantic() already run | |
| 3591 return this; | |
| 3592 | |
| 3593 Lagain: | |
| 3594 if (thisexp) | |
| 3595 { thisexp = thisexp->semantic(sc); | |
| 3596 cdthis = thisexp->type->isClassHandle(); | |
| 3597 if (cdthis) | |
| 3598 { | |
| 3599 sc = sc->push(cdthis); | |
| 3600 type = newtype->semantic(loc, sc); | |
| 3601 sc = sc->pop(); | |
| 3602 } | |
| 3603 else | |
| 3604 { | |
| 3605 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3606 type = newtype->semantic(loc, sc); | |
| 3607 } | |
| 3608 } | |
| 3609 else | |
| 3610 type = newtype->semantic(loc, sc); | |
| 3611 newtype = type; // in case type gets cast to something else | |
| 3612 tb = type->toBasetype(); | |
| 3613 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3614 | |
| 3615 arrayExpressionSemantic(newargs, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3616 preFunctionParameters(loc, sc, newargs); |
| 159 | 3617 arrayExpressionSemantic(arguments, sc); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3618 preFunctionParameters(loc, sc, arguments); |
| 159 | 3619 |
| 3620 if (thisexp && tb->ty != Tclass) | |
| 3621 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3622 | |
| 3623 if (tb->ty == Tclass) | |
| 3624 { TypeFunction *tf; | |
| 3625 | |
| 3626 TypeClass *tc = (TypeClass *)(tb); | |
| 3627 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3628 if (cd->isInterfaceDeclaration()) | |
| 3629 error("cannot create instance of interface %s", cd->toChars()); | |
| 3630 else if (cd->isAbstract()) | |
| 3631 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3632 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3633 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3634 if (fd && fd->isAbstract()) | |
| 3635 error("function %s is abstract", fd->toChars()); | |
| 3636 } | |
| 3637 } | |
| 3638 checkDeprecated(sc, cd); | |
| 3639 if (cd->isNested()) | |
| 3640 { /* We need a 'this' pointer for the nested class. | |
| 3641 * Ensure we have the right one. | |
| 3642 */ | |
| 3643 Dsymbol *s = cd->toParent2(); | |
| 3644 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
|
3645 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3646 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3647 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3648 if (cdn) |
| 3649 { | |
| 3650 if (!cdthis) | |
| 3651 { | |
| 3652 // Supply an implicit 'this' and try again | |
| 3653 thisexp = new ThisExp(loc); | |
| 3654 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3655 { if (!sp) | |
| 3656 { | |
| 3657 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3658 break; | |
| 3659 } | |
| 3660 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3661 if (!cdp) | |
| 3662 continue; | |
| 3663 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3664 break; | |
| 3665 // Add a '.outer' and try again | |
| 3666 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3667 } | |
| 3668 if (!global.errors) | |
| 3669 goto Lagain; | |
| 3670 } | |
| 3671 if (cdthis) | |
| 3672 { | |
| 3673 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3674 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3675 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3676 } | |
| 3677 #if 0 | |
| 3678 else | |
| 3679 { | |
| 3680 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3681 { | |
| 3682 if (!sf) | |
| 3683 { | |
| 3684 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3685 break; | |
| 3686 } | |
| 3687 printf("sf = %s\n", sf->toChars()); | |
| 3688 AggregateDeclaration *ad = sf->isThis(); | |
| 3689 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3690 break; | |
| 3691 } | |
| 3692 } | |
| 3693 #endif | |
| 3694 } | |
| 3695 else if (thisexp) | |
| 3696 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
|
3697 else if (fdn) |
| 1587 | 3698 { |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3699 // 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
|
3700 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
|
3701 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3702 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
|
3703 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3704 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
|
3705 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
|
3706 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3707 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
|
3708 break; |
|
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 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3711 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3712 } |
| 159 | 3713 } |
| 3714 else if (thisexp) | |
| 3715 error("e.new is only for allocating nested classes"); | |
| 3716 | |
| 3717 FuncDeclaration *f = cd->ctor; | |
| 3718 if (f) | |
| 3719 { | |
| 3720 assert(f); | |
| 1587 | 3721 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 3722 checkDeprecated(sc, f); |
| 3723 member = f->isCtorDeclaration(); | |
| 3724 assert(member); | |
| 3725 | |
| 3726 cd->accessCheck(loc, sc, member); | |
| 3727 | |
| 3728 tf = (TypeFunction *)f->type; | |
| 3729 type = tf->next; | |
| 3730 | |
| 3731 if (!arguments) | |
| 3732 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3733 functionParameters(loc, sc, tf, arguments); |
| 159 | 3734 } |
| 3735 else | |
| 3736 { | |
| 3737 if (arguments && arguments->dim) | |
| 3738 error("no constructor for %s", cd->toChars()); | |
| 3739 } | |
| 3740 | |
| 3741 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3742 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3743 // 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
|
3744 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3745 if (!newargs) |
| 3746 newargs = new Expressions(); | |
| 3747 newargs->shift(e); | |
| 3748 | |
| 1587 | 3749 f = cd->aggNew->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3750 allocator = f->isNewDeclaration(); |
| 3751 assert(allocator); | |
| 3752 | |
| 3753 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3754 functionParameters(loc, sc, tf, newargs); |
| 159 | 3755 } |
| 3756 else | |
| 3757 { | |
| 3758 if (newargs && newargs->dim) | |
| 3759 error("no allocator for %s", cd->toChars()); | |
| 3760 } | |
| 3761 } | |
| 3762 else if (tb->ty == Tstruct) | |
| 3763 { | |
| 3764 TypeStruct *ts = (TypeStruct *)tb; | |
| 3765 StructDeclaration *sd = ts->sym; | |
| 3766 FuncDeclaration *f = sd->aggNew; | |
| 3767 TypeFunction *tf; | |
| 3768 | |
| 3769 if (arguments && arguments->dim) | |
| 3770 error("no constructor for %s", type->toChars()); | |
| 3771 | |
| 3772 if (f) | |
| 3773 { | |
| 3774 Expression *e; | |
| 3775 | |
| 3776 // Prepend the uint size argument to newargs[] | |
| 3777 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3778 if (!newargs) | |
| 3779 newargs = new Expressions(); | |
| 3780 newargs->shift(e); | |
| 3781 | |
| 1587 | 3782 f = f->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3783 allocator = f->isNewDeclaration(); |
| 3784 assert(allocator); | |
| 3785 | |
| 3786 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3787 functionParameters(loc, sc, tf, newargs); |
| 159 | 3788 |
| 3789 e = new VarExp(loc, f); | |
| 3790 e = new CallExp(loc, e, newargs); | |
| 3791 e = e->semantic(sc); | |
| 3792 e->type = type->pointerTo(); | |
| 3793 return e; | |
| 3794 } | |
| 3795 | |
| 3796 type = type->pointerTo(); | |
| 3797 } | |
| 3798 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3799 { | |
| 3800 for (size_t i = 0; i < arguments->dim; i++) | |
| 3801 { | |
| 3802 if (tb->ty != Tarray) | |
| 3803 { error("too many arguments for array"); | |
| 3804 arguments->dim = i; | |
| 3805 break; | |
| 3806 } | |
| 3807 | |
| 3808 Expression *arg = (Expression *)arguments->data[i]; | |
| 3809 arg = resolveProperties(sc, arg); | |
| 3810 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3811 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3812 error("negative array index %s", arg->toChars()); | |
| 3813 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
|
3814 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3815 } |
| 3816 } | |
| 3817 else if (tb->isscalar()) | |
| 3818 { | |
| 3819 if (arguments && arguments->dim) | |
| 3820 error("no constructor for %s", type->toChars()); | |
| 3821 | |
| 3822 type = type->pointerTo(); | |
| 3823 } | |
| 3824 else | |
| 3825 { | |
| 3826 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3827 type = type->pointerTo(); | |
| 3828 } | |
| 3829 | |
| 3830 //printf("NewExp: '%s'\n", toChars()); | |
| 3831 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3832 | |
| 3833 return this; | |
| 3834 } | |
| 3835 | |
| 3836 int NewExp::checkSideEffect(int flag) | |
| 3837 { | |
| 3838 return 1; | |
| 3839 } | |
| 3840 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3841 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3842 int NewExp::canThrow() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3845 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3846 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3847 |
| 159 | 3848 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3849 { int i; | |
| 3850 | |
| 3851 if (thisexp) | |
| 3852 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3853 buf->writeByte('.'); | |
| 3854 } | |
| 3855 buf->writestring("new "); | |
| 3856 if (newargs && newargs->dim) | |
| 3857 { | |
| 3858 buf->writeByte('('); | |
| 3859 argsToCBuffer(buf, newargs, hgs); | |
| 3860 buf->writeByte(')'); | |
| 3861 } | |
| 3862 newtype->toCBuffer(buf, NULL, hgs); | |
| 3863 if (arguments && arguments->dim) | |
| 3864 { | |
| 3865 buf->writeByte('('); | |
| 3866 argsToCBuffer(buf, arguments, hgs); | |
| 3867 buf->writeByte(')'); | |
| 3868 } | |
| 3869 } | |
| 3870 | |
| 3871 /********************** NewAnonClassExp **************************************/ | |
| 3872 | |
| 3873 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3874 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3875 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3876 { | |
| 3877 this->thisexp = thisexp; | |
| 3878 this->newargs = newargs; | |
| 3879 this->cd = cd; | |
| 3880 this->arguments = arguments; | |
| 3881 } | |
| 3882 | |
| 3883 Expression *NewAnonClassExp::syntaxCopy() | |
| 3884 { | |
| 3885 return new NewAnonClassExp(loc, | |
| 3886 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3887 arraySyntaxCopy(newargs), | |
| 3888 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3889 arraySyntaxCopy(arguments)); | |
| 3890 } | |
| 3891 | |
| 3892 | |
| 3893 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3894 { | |
| 3895 #if LOGSEMANTIC | |
| 3896 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3897 //printf("thisexp = %p\n", thisexp); |
| 159 | 3898 //printf("type: %s\n", type->toChars()); |
| 3899 #endif | |
| 3900 | |
| 3901 Expression *d = new DeclarationExp(loc, cd); | |
| 3902 d = d->semantic(sc); | |
| 3903 | |
| 3904 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3905 | |
| 3906 Expression *c = new CommaExp(loc, d, n); | |
| 3907 return c->semantic(sc); | |
| 3908 } | |
| 3909 | |
| 3910 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3911 { | |
| 3912 return 1; | |
| 3913 } | |
| 3914 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3915 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3916 int NewAnonClassExp::canThrow() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3919 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3920 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3921 |
| 159 | 3922 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3923 { int i; | |
| 3924 | |
| 3925 if (thisexp) | |
| 3926 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3927 buf->writeByte('.'); | |
| 3928 } | |
| 3929 buf->writestring("new"); | |
| 3930 if (newargs && newargs->dim) | |
| 3931 { | |
| 3932 buf->writeByte('('); | |
| 3933 argsToCBuffer(buf, newargs, hgs); | |
| 3934 buf->writeByte(')'); | |
| 3935 } | |
| 3936 buf->writestring(" class "); | |
| 3937 if (arguments && arguments->dim) | |
| 3938 { | |
| 3939 buf->writeByte('('); | |
| 3940 argsToCBuffer(buf, arguments, hgs); | |
| 3941 buf->writeByte(')'); | |
| 3942 } | |
| 3943 //buf->writestring(" { }"); | |
| 3944 if (cd) | |
| 3945 { | |
| 3946 cd->toCBuffer(buf, hgs); | |
| 3947 } | |
| 3948 } | |
| 3949 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3950 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3951 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3952 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3953 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
|
3954 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3955 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3956 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3957 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3958 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3959 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3960 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3961 |
| 159 | 3962 /********************** SymOffExp **************************************/ |
| 3963 | |
| 3964 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3965 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3966 { | |
| 3967 assert(var); | |
| 3968 this->var = var; | |
| 3969 this->offset = offset; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3970 m = NULL; |
| 159 | 3971 VarDeclaration *v = var->isVarDeclaration(); |
| 3972 if (v && v->needThis()) | |
| 3973 error("need 'this' for address of %s", v->toChars()); | |
| 3974 } | |
| 3975 | |
| 3976 Expression *SymOffExp::semantic(Scope *sc) | |
| 3977 { | |
| 3978 #if LOGSEMANTIC | |
| 3979 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3980 #endif | |
| 3981 //var->semantic(sc); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3982 m = sc->module; |
| 159 | 3983 if (!type) |
| 3984 type = var->type->pointerTo(); | |
| 3985 VarDeclaration *v = var->isVarDeclaration(); | |
| 3986 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3987 v->checkNestedReference(sc, loc); |
| 159 | 3988 return this; |
| 3989 } | |
| 3990 | |
| 3991 int SymOffExp::isBool(int result) | |
| 3992 { | |
| 3993 return result ? TRUE : FALSE; | |
| 3994 } | |
| 3995 | |
| 3996 void SymOffExp::checkEscape() | |
| 3997 { | |
| 3998 VarDeclaration *v = var->isVarDeclaration(); | |
| 3999 if (v) | |
| 4000 { | |
| 4001 if (!v->isDataseg()) | |
| 4002 error("escaping reference to local variable %s", v->toChars()); | |
| 4003 } | |
| 4004 } | |
| 4005 | |
| 4006 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4007 { | |
| 4008 if (offset) | |
| 4009 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 4010 else | |
| 4011 buf->printf("& %s", var->toChars()); | |
| 4012 } | |
| 4013 | |
| 4014 /******************************** VarExp **************************/ | |
| 4015 | |
| 4016 VarExp::VarExp(Loc loc, Declaration *var) | |
| 4017 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 4018 { | |
| 4019 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 4020 this->var = var; | |
| 4021 this->type = var->type; | |
| 4022 } | |
| 4023 | |
| 4024 int VarExp::equals(Object *o) | |
| 4025 { VarExp *ne; | |
| 4026 | |
| 4027 if (this == o || | |
| 4028 (((Expression *)o)->op == TOKvar && | |
| 4029 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 4030 var == ne->var)) | |
| 4031 return 1; | |
| 4032 return 0; | |
| 4033 } | |
| 4034 | |
| 4035 Expression *VarExp::semantic(Scope *sc) | |
| 4036 { FuncLiteralDeclaration *fd; | |
| 4037 | |
| 4038 #if LOGSEMANTIC | |
| 4039 printf("VarExp::semantic(%s)\n", toChars()); | |
| 4040 #endif | |
| 4041 if (!type) | |
| 4042 { type = var->type; | |
| 4043 #if 0 | |
| 4044 if (var->storage_class & STClazy) | |
| 4045 { | |
| 4046 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 4047 type = new TypeDelegate(tf); | |
| 4048 type = type->semantic(loc, sc); | |
| 4049 } | |
| 4050 #endif | |
| 4051 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4052 /* 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
|
4053 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4054 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4055 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4056 //accessCheck(loc, sc, NULL, var); |
| 159 | 4057 |
| 4058 VarDeclaration *v = var->isVarDeclaration(); | |
| 4059 if (v) | |
| 4060 { | |
|
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
|
4061 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray && v->init) |
| 159 | 4062 { |
| 4063 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 4064 if (ei) | |
| 4065 { | |
| 4066 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 4067 return ei->exp->implicitCastTo(sc, type); | |
| 4068 } | |
| 4069 } | |
| 4070 v->checkNestedReference(sc, loc); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4071 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4072 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
|
4073 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4074 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4075 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
|
4076 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4077 #endif |
| 159 | 4078 } |
| 4079 #if 0 | |
| 4080 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 4081 { Expression *e; | |
| 4082 e = new FuncExp(loc, fd); | |
| 4083 e->type = type; | |
| 4084 return e; | |
| 4085 } | |
| 4086 #endif | |
| 4087 return this; | |
| 4088 } | |
| 4089 | |
| 4090 char *VarExp::toChars() | |
| 4091 { | |
| 4092 return var->toChars(); | |
| 4093 } | |
| 4094 | |
| 4095 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4096 { | |
| 4097 buf->writestring(var->toChars()); | |
| 4098 } | |
| 4099 | |
| 4100 void VarExp::checkEscape() | |
| 4101 { | |
| 4102 VarDeclaration *v = var->isVarDeclaration(); | |
| 4103 if (v) | |
| 4104 { Type *tb = v->type->toBasetype(); | |
| 4105 // if reference type | |
| 4106 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4107 { | |
|
1530
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4108 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
|
4109 error("escaping reference to scope local %s", v->toChars()); |
| 159 | 4110 else if (v->storage_class & STCvariadic) |
| 4111 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4112 } | |
| 4113 } | |
| 4114 } | |
| 4115 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4116 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4117 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4118 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4119 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4120 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4121 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4122 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4123 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4124 |
| 159 | 4125 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4126 { | |
| 4127 #if 0 | |
| 4128 tym = tybasic(e1->ET->Tty); | |
| 4129 if (!(tyscalar(tym) || | |
| 4130 tym == TYstruct || | |
| 4131 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4132 synerr(EM_lvalue); // lvalue expected | |
| 4133 #endif | |
| 4134 if (var->storage_class & STClazy) | |
| 4135 error("lazy variables cannot be lvalues"); | |
| 4136 return this; | |
| 4137 } | |
| 4138 | |
| 4139 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4140 { | |
| 4141 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4142 if (sc->incontract && var->isParameter()) | |
| 4143 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4144 | |
| 4145 if (type && type->toBasetype()->ty == Tsarray) | |
| 4146 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4147 | |
| 4148 VarDeclaration *v = var->isVarDeclaration(); | |
| 4149 if (v && v->canassign == 0 && | |
| 4150 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4151 error("cannot modify final variable '%s'", var->toChars()); | |
| 4152 | |
| 4153 if (var->isCtorinit()) | |
| 4154 { // It's only modifiable if inside the right constructor | |
| 4155 Dsymbol *s = sc->func; | |
| 4156 while (1) | |
| 4157 { | |
| 4158 FuncDeclaration *fd = NULL; | |
| 4159 if (s) | |
| 4160 fd = s->isFuncDeclaration(); | |
| 4161 if (fd && | |
| 4162 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4163 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4164 fd->toParent() == var->toParent() | |
| 4165 ) | |
| 4166 { | |
| 4167 VarDeclaration *v = var->isVarDeclaration(); | |
| 4168 assert(v); | |
| 4169 v->ctorinit = 1; | |
| 4170 //printf("setting ctorinit\n"); | |
| 4171 } | |
| 4172 else | |
| 4173 { | |
| 4174 if (s) | |
| 4175 { s = s->toParent2(); | |
| 4176 continue; | |
| 4177 } | |
| 4178 else | |
| 4179 { | |
| 4180 const char *p = var->isStatic() ? "static " : ""; | |
| 4181 error("can only initialize %sconst %s inside %sconstructor", | |
| 4182 p, var->toChars(), p); | |
| 4183 } | |
| 4184 } | |
| 4185 break; | |
| 4186 } | |
| 4187 } | |
| 4188 | |
| 4189 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4190 return toLvalue(sc, e); | |
| 4191 } | |
| 4192 | |
| 4193 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4194 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4195 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4196 #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
|
4197 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
|
4198 : 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
|
4199 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4200 //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
|
4201 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
|
4202 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
|
4203 } |
|
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 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
|
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 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
|
4208 } |
|
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 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
|
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 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
|
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 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4215 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4216 |
| 159 | 4217 /******************************** TupleExp **************************/ |
| 4218 | |
| 4219 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4220 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4221 { | |
| 4222 //printf("TupleExp(this = %p)\n", this); | |
| 4223 this->exps = exps; | |
| 4224 this->type = NULL; | |
| 4225 } | |
| 4226 | |
| 4227 | |
| 4228 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4229 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4230 { | |
| 4231 exps = new Expressions(); | |
| 4232 type = NULL; | |
| 4233 | |
| 4234 exps->reserve(tup->objects->dim); | |
| 4235 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4236 { Object *o = (Object *)tup->objects->data[i]; | |
| 4237 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4238 { | |
| 4239 Expression *e = (Expression *)o; | |
| 4240 e = e->syntaxCopy(); | |
| 4241 exps->push(e); | |
| 4242 } | |
| 4243 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4244 { | |
| 4245 Dsymbol *s = (Dsymbol *)o; | |
| 4246 Expression *e = new DsymbolExp(loc, s); | |
| 4247 exps->push(e); | |
| 4248 } | |
| 4249 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4250 { | |
| 4251 Type *t = (Type *)o; | |
| 4252 Expression *e = new TypeExp(loc, t); | |
| 4253 exps->push(e); | |
| 4254 } | |
| 4255 else | |
| 4256 { | |
| 4257 error("%s is not an expression", o->toChars()); | |
| 4258 } | |
| 4259 } | |
| 4260 } | |
| 4261 | |
| 4262 int TupleExp::equals(Object *o) | |
| 4263 { TupleExp *ne; | |
| 4264 | |
| 4265 if (this == o) | |
| 4266 return 1; | |
| 4267 if (((Expression *)o)->op == TOKtuple) | |
| 4268 { | |
| 4269 TupleExp *te = (TupleExp *)o; | |
| 4270 if (exps->dim != te->exps->dim) | |
| 4271 return 0; | |
| 4272 for (size_t i = 0; i < exps->dim; i++) | |
| 4273 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4274 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4275 | |
| 4276 if (!e1->equals(e2)) | |
| 4277 return 0; | |
| 4278 } | |
| 4279 return 1; | |
| 4280 } | |
| 4281 return 0; | |
| 4282 } | |
| 4283 | |
| 4284 Expression *TupleExp::syntaxCopy() | |
| 4285 { | |
| 4286 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4287 } | |
| 4288 | |
| 4289 Expression *TupleExp::semantic(Scope *sc) | |
| 4290 { | |
| 4291 #if LOGSEMANTIC | |
| 4292 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4293 #endif | |
| 4294 if (type) | |
| 4295 return this; | |
| 4296 | |
| 4297 // Run semantic() on each argument | |
| 4298 for (size_t i = 0; i < exps->dim; i++) | |
| 4299 { Expression *e = (Expression *)exps->data[i]; | |
| 4300 | |
| 4301 e = e->semantic(sc); | |
| 4302 if (!e->type) | |
| 4303 { error("%s has no value", e->toChars()); | |
| 4304 e->type = Type::terror; | |
| 4305 } | |
| 4306 exps->data[i] = (void *)e; | |
| 4307 } | |
| 4308 | |
| 4309 expandTuples(exps); | |
| 4310 if (0 && exps->dim == 1) | |
| 4311 { | |
| 4312 return (Expression *)exps->data[0]; | |
| 4313 } | |
| 4314 type = new TypeTuple(exps); | |
| 1587 | 4315 type = type->semantic(loc, sc); |
| 159 | 4316 //printf("-TupleExp::semantic(%s)\n", toChars()); |
| 4317 return this; | |
| 4318 } | |
| 4319 | |
| 4320 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4321 { | |
| 4322 buf->writestring("tuple("); | |
| 4323 argsToCBuffer(buf, exps, hgs); | |
| 4324 buf->writeByte(')'); | |
| 4325 } | |
| 4326 | |
| 4327 int TupleExp::checkSideEffect(int flag) | |
| 4328 { int f = 0; | |
| 4329 | |
| 4330 for (int i = 0; i < exps->dim; i++) | |
| 4331 { Expression *e = (Expression *)exps->data[i]; | |
| 4332 | |
| 4333 f |= e->checkSideEffect(2); | |
| 4334 } | |
| 4335 if (flag == 0 && f == 0) | |
| 4336 Expression::checkSideEffect(0); | |
| 4337 return f; | |
| 4338 } | |
| 4339 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4340 #if DMDV2 |
|
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846
diff
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|
4341 int TupleExp::canThrow() |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4342 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4343 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4344 } |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4345 #endif |
|
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Merged DMD 1.038
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parents:
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|
4346 |
| 159 | 4347 void TupleExp::checkEscape() |
| 4348 { | |
| 4349 for (size_t i = 0; i < exps->dim; i++) | |
| 4350 { Expression *e = (Expression *)exps->data[i]; | |
| 4351 e->checkEscape(); | |
| 4352 } | |
| 4353 } | |
| 4354 | |
| 4355 /******************************** FuncExp *********************************/ | |
| 4356 | |
| 4357 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4358 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4359 { | |
| 4360 this->fd = fd; | |
| 4361 } | |
| 4362 | |
| 4363 Expression *FuncExp::syntaxCopy() | |
| 4364 { | |
| 4365 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4366 } | |
| 4367 | |
| 4368 Expression *FuncExp::semantic(Scope *sc) | |
| 4369 { | |
| 4370 #if LOGSEMANTIC | |
| 4371 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4372 #endif | |
| 4373 if (!type) | |
| 4374 { | |
| 4375 fd->semantic(sc); | |
| 4376 fd->parent = sc->parent; | |
| 4377 if (global.errors) | |
| 4378 { | |
| 4379 } | |
| 4380 else | |
| 4381 { | |
| 4382 fd->semantic2(sc); | |
| 1587 | 4383 if (!global.errors || |
| 4384 // need to infer return type | |
| 4385 (fd->type && fd->type->ty == Tfunction && !fd->type->nextOf())) | |
| 159 | 4386 { |
| 4387 fd->semantic3(sc); | |
| 4388 | |
| 4389 if (!global.errors && global.params.useInline) | |
| 4390 fd->inlineScan(); | |
| 4391 } | |
| 4392 } | |
| 4393 | |
| 1587 | 4394 // need to infer return type |
| 4395 if (global.errors && fd->type && fd->type->ty == Tfunction && !fd->type->nextOf()) | |
| 4396 ((TypeFunction *)fd->type)->next = Type::terror; | |
| 4397 | |
| 159 | 4398 // Type is a "delegate to" or "pointer to" the function literal |
| 4399 if (fd->isNested()) | |
| 4400 { | |
| 4401 type = new TypeDelegate(fd->type); | |
| 4402 type = type->semantic(loc, sc); | |
| 4403 } | |
| 4404 else | |
| 4405 { | |
| 4406 type = fd->type->pointerTo(); | |
| 4407 } | |
| 4408 } | |
| 4409 return this; | |
| 4410 } | |
| 4411 | |
| 4412 char *FuncExp::toChars() | |
| 4413 { | |
| 4414 return fd->toChars(); | |
| 4415 } | |
| 4416 | |
| 4417 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4418 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4419 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4420 //buf->writestring(fd->toChars()); |
| 159 | 4421 } |
| 4422 | |
| 4423 | |
| 4424 /******************************** DeclarationExp **************************/ | |
| 4425 | |
| 4426 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4427 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4428 { | |
| 4429 this->declaration = declaration; | |
| 4430 } | |
| 4431 | |
| 4432 Expression *DeclarationExp::syntaxCopy() | |
| 4433 { | |
| 4434 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4435 } | |
| 4436 | |
| 4437 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4438 { | |
| 4439 if (type) | |
| 4440 return this; | |
| 4441 | |
| 4442 #if LOGSEMANTIC | |
| 4443 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4444 #endif | |
| 4445 | |
| 4446 /* This is here to support extern(linkage) declaration, | |
| 4447 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4448 * wrapper. | |
| 4449 */ | |
| 4450 Dsymbol *s = declaration; | |
| 4451 | |
| 4452 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4453 if (ad) | |
| 4454 { | |
| 4455 if (ad->decl && ad->decl->dim == 1) | |
| 4456 s = (Dsymbol *)ad->decl->data[0]; | |
| 4457 } | |
| 4458 | |
| 4459 if (s->isVarDeclaration()) | |
| 4460 { // Do semantic() on initializer first, so: | |
| 4461 // int a = a; | |
| 4462 // will be illegal. | |
| 4463 declaration->semantic(sc); | |
| 4464 s->parent = sc->parent; | |
| 4465 } | |
| 4466 | |
| 4467 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4468 // Insert into both local scope and function scope. | |
| 4469 // Must be unique in both. | |
| 4470 if (s->ident) | |
| 4471 { | |
| 4472 if (!sc->insert(s)) | |
| 4473 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4474 else if (sc->func) | |
| 4475 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4476 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4477 !sc->func->localsymtab->insert(s)) | |
| 4478 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4479 else if (!global.params.useDeprecated) | |
| 4480 { // Disallow shadowing | |
| 4481 | |
| 4482 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4483 { Dsymbol *s2; | |
| 4484 | |
| 4485 if (scx->scopesym && scx->scopesym->symtab && | |
| 4486 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4487 s != s2) | |
| 4488 { | |
| 4489 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4490 } | |
| 4491 } | |
| 4492 } | |
| 4493 } | |
| 4494 } | |
| 4495 if (!s->isVarDeclaration()) | |
| 4496 { | |
| 1587 | 4497 Scope *sc2 = sc; |
| 4498 if (sc2->stc & (STCpure | STCnothrow)) | |
| 4499 sc2 = sc->push(); | |
| 4500 sc2->stc &= ~(STCpure | STCnothrow); | |
| 4501 declaration->semantic(sc2); | |
| 4502 if (sc2 != sc) | |
| 4503 sc2->pop(); | |
| 159 | 4504 s->parent = sc->parent; |
| 4505 } | |
| 4506 if (!global.errors) | |
| 4507 { | |
| 4508 declaration->semantic2(sc); | |
| 4509 if (!global.errors) | |
| 4510 { | |
| 4511 declaration->semantic3(sc); | |
| 4512 | |
| 4513 if (!global.errors && global.params.useInline) | |
| 4514 declaration->inlineScan(); | |
| 4515 } | |
| 4516 } | |
| 4517 | |
| 4518 type = Type::tvoid; | |
| 4519 return this; | |
| 4520 } | |
| 4521 | |
| 4522 int DeclarationExp::checkSideEffect(int flag) | |
| 4523 { | |
| 4524 return 1; | |
| 4525 } | |
| 4526 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4527 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4528 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4529 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4530 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4531 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4532 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4533 return ie && ie->exp->canThrow(); |
|
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 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4536 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4537 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4538 |
| 159 | 4539 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4540 { | |
| 4541 declaration->toCBuffer(buf, hgs); | |
| 4542 } | |
| 4543 | |
| 4544 | |
| 4545 /************************ TypeidExp ************************************/ | |
| 4546 | |
| 4547 /* | |
| 4548 * typeid(int) | |
| 4549 */ | |
| 4550 | |
| 4551 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4552 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4553 { | |
| 4554 this->typeidType = typeidType; | |
| 4555 } | |
| 4556 | |
| 4557 | |
| 4558 Expression *TypeidExp::syntaxCopy() | |
| 4559 { | |
| 4560 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4561 } | |
| 4562 | |
| 4563 | |
| 4564 Expression *TypeidExp::semantic(Scope *sc) | |
| 4565 { Expression *e; | |
| 4566 | |
| 4567 #if LOGSEMANTIC | |
| 4568 printf("TypeidExp::semantic()\n"); | |
| 4569 #endif | |
| 4570 typeidType = typeidType->semantic(loc, sc); | |
| 4571 e = typeidType->getTypeInfo(sc); | |
| 336 | 4572 if (e->loc.linnum == 0) |
| 4573 e->loc = loc; // so there's at least some line number info | |
| 159 | 4574 return e; |
| 4575 } | |
| 4576 | |
| 4577 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4578 { | |
| 4579 buf->writestring("typeid("); | |
| 4580 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4581 buf->writeByte(')'); | |
| 4582 } | |
| 4583 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4584 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4585 #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
|
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 * __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
|
4588 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4589 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4590 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
|
4591 : 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
|
4592 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4593 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
|
4594 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
|
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 |
|
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 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
|
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 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
|
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 |
|
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 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
|
4605 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4606 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
|
4607 buf->writestring(ident->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4608 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
|
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 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
|
4611 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4612 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
|
4613 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
|
4614 ObjectToCBuffer(buf, hgs, oarg); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4615 } |
|
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 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
|
4618 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4619 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4620 |
| 159 | 4621 /************************************************************/ |
| 4622 | |
| 4623 HaltExp::HaltExp(Loc loc) | |
| 4624 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4625 { | |
| 4626 } | |
| 4627 | |
| 4628 Expression *HaltExp::semantic(Scope *sc) | |
| 4629 { | |
| 4630 #if LOGSEMANTIC | |
| 4631 printf("HaltExp::semantic()\n"); | |
| 4632 #endif | |
| 4633 type = Type::tvoid; | |
| 4634 return this; | |
| 4635 } | |
| 4636 | |
| 4637 int HaltExp::checkSideEffect(int flag) | |
| 4638 { | |
| 4639 return 1; | |
| 4640 } | |
| 4641 | |
| 4642 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4643 { | |
| 4644 buf->writestring("halt"); | |
| 4645 } | |
| 4646 | |
| 4647 /************************************************************/ | |
| 4648 | |
| 4649 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4650 Type *tspec, enum TOK tok2) | |
| 4651 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4652 { | |
| 4653 this->targ = targ; | |
| 4654 this->id = id; | |
| 4655 this->tok = tok; | |
| 4656 this->tspec = tspec; | |
| 4657 this->tok2 = tok2; | |
| 4658 } | |
| 4659 | |
| 4660 Expression *IsExp::syntaxCopy() | |
| 4661 { | |
| 4662 return new IsExp(loc, | |
| 4663 targ->syntaxCopy(), | |
| 4664 id, | |
| 4665 tok, | |
| 4666 tspec ? tspec->syntaxCopy() : NULL, | |
| 4667 tok2); | |
| 4668 } | |
| 4669 | |
| 4670 Expression *IsExp::semantic(Scope *sc) | |
| 4671 { Type *tded; | |
| 4672 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4673 /* 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
|
4674 * 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
|
4675 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4676 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4677 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4678 if (id && !(sc->flags & SCOPEstaticif)) |
| 4679 error("can only declare type aliases within static if conditionals"); | |
| 4680 | |
| 4681 unsigned errors_save = global.errors; | |
| 4682 global.errors = 0; | |
| 4683 global.gag++; // suppress printing of error messages | |
| 4684 targ = targ->semantic(loc, sc); | |
| 4685 global.gag--; | |
| 4686 unsigned gerrors = global.errors; | |
| 4687 global.errors = errors_save; | |
| 4688 | |
| 4689 if (gerrors) // if any errors happened | |
| 4690 { // then condition is false | |
| 4691 goto Lno; | |
| 4692 } | |
| 4693 else if (tok2 != TOKreserved) | |
| 4694 { | |
| 4695 switch (tok2) | |
| 4696 { | |
| 4697 case TOKtypedef: | |
| 4698 if (targ->ty != Ttypedef) | |
| 4699 goto Lno; | |
| 4700 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4701 break; | |
| 4702 | |
| 4703 case TOKstruct: | |
| 4704 if (targ->ty != Tstruct) | |
| 4705 goto Lno; | |
| 4706 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4707 goto Lno; | |
| 4708 tded = targ; | |
| 4709 break; | |
| 4710 | |
| 4711 case TOKunion: | |
| 4712 if (targ->ty != Tstruct) | |
| 4713 goto Lno; | |
| 4714 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4715 goto Lno; | |
| 4716 tded = targ; | |
| 4717 break; | |
| 4718 | |
| 4719 case TOKclass: | |
| 4720 if (targ->ty != Tclass) | |
| 4721 goto Lno; | |
| 4722 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4723 goto Lno; | |
| 4724 tded = targ; | |
| 4725 break; | |
| 4726 | |
| 4727 case TOKinterface: | |
| 4728 if (targ->ty != Tclass) | |
| 4729 goto Lno; | |
| 4730 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4731 goto Lno; | |
| 4732 tded = targ; | |
| 4733 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
|
4734 #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
|
4735 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
|
4736 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
|
4737 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
|
4738 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
|
4739 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4740 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4741 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4742 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
|
4743 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
|
4744 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
|
4745 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
|
4746 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4747 #endif |
| 159 | 4748 |
| 4749 case TOKsuper: | |
| 4750 // If class or interface, get the base class and interfaces | |
| 4751 if (targ->ty != Tclass) | |
| 4752 goto Lno; | |
| 4753 else | |
| 4754 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4755 Parameters *args = new Parameters; |
| 159 | 4756 args->reserve(cd->baseclasses.dim); |
| 4757 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4758 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4759 args->push(new Parameter(STCin, b->type, NULL, NULL)); |
| 159 | 4760 } |
| 4761 tded = new TypeTuple(args); | |
| 4762 } | |
| 4763 break; | |
| 4764 | |
| 4765 case TOKenum: | |
| 4766 if (targ->ty != Tenum) | |
| 4767 goto Lno; | |
| 4768 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4769 break; | |
| 4770 | |
| 4771 case TOKdelegate: | |
| 4772 if (targ->ty != Tdelegate) | |
| 4773 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
|
4774 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4775 break; |
| 4776 | |
| 4777 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
|
4778 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4779 if (targ->ty != Tfunction) |
| 159 | 4780 goto Lno; |
| 4781 tded = targ; | |
| 4782 | |
| 4783 /* Generate tuple from function parameter types. | |
| 4784 */ | |
| 4785 assert(tded->ty == Tfunction); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4786 Parameters *params = ((TypeFunction *)tded)->parameters; |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4787 size_t dim = Parameter::dim(params); |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4788 Parameters *args = new Parameters; |
| 159 | 4789 args->reserve(dim); |
| 4790 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
|
4791 { Parameter *arg = Parameter::getNth(params, i); |
| 159 | 4792 assert(arg && arg->type); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4793 args->push(new Parameter(arg->storageClass, arg->type, NULL, NULL)); |
| 159 | 4794 } |
| 4795 tded = new TypeTuple(args); | |
| 4796 break; | |
| 4797 } | |
| 4798 case TOKreturn: | |
| 4799 /* Get the 'return type' for the function, | |
| 4800 * delegate, or pointer to function. | |
| 4801 */ | |
| 4802 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
|
4803 tded = ((TypeFunction *)targ)->next; |
| 159 | 4804 else if (targ->ty == Tdelegate) |
| 4805 tded = targ->next->next; | |
| 4806 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4807 tded = targ->next->next; | |
| 4808 else | |
| 4809 goto Lno; | |
| 4810 break; | |
| 4811 | |
| 4812 default: | |
| 4813 assert(0); | |
| 4814 } | |
| 4815 goto Lyes; | |
| 4816 } | |
| 4817 else if (id && tspec) | |
| 4818 { | |
| 4819 /* Evaluate to TRUE if targ matches tspec. | |
| 4820 * If TRUE, declare id as an alias for the specialized type. | |
| 4821 */ | |
| 4822 | |
| 4823 MATCH m; | |
| 4824 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4825 | |
| 4826 TemplateParameters parameters; | |
| 4827 parameters.setDim(1); | |
| 4828 parameters.data[0] = (void *)&tp; | |
| 4829 | |
| 4830 Objects dedtypes; | |
| 4831 dedtypes.setDim(1); | |
| 4832 dedtypes.data[0] = NULL; | |
| 4833 | |
| 4834 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4835 if (m == MATCHnomatch || | |
| 4836 (m != MATCHexact && tok == TOKequal)) | |
| 4837 goto Lno; | |
| 4838 else | |
| 4839 { | |
| 4840 assert(dedtypes.dim == 1); | |
| 4841 tded = (Type *)dedtypes.data[0]; | |
| 4842 if (!tded) | |
| 4843 tded = targ; | |
| 4844 goto Lyes; | |
| 4845 } | |
| 4846 } | |
| 4847 else if (id) | |
| 4848 { | |
| 4849 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4850 */ | |
| 4851 tded = targ; | |
| 4852 goto Lyes; | |
| 4853 } | |
| 4854 else if (tspec) | |
| 4855 { | |
| 4856 /* Evaluate to TRUE if targ matches tspec | |
| 4857 */ | |
| 4858 tspec = tspec->semantic(loc, sc); | |
| 4859 //printf("targ = %s\n", targ->toChars()); | |
| 4860 //printf("tspec = %s\n", tspec->toChars()); | |
| 4861 if (tok == TOKcolon) | |
| 4862 { if (targ->implicitConvTo(tspec)) | |
| 4863 goto Lyes; | |
| 4864 else | |
| 4865 goto Lno; | |
| 4866 } | |
| 4867 else /* == */ | |
| 4868 { if (targ->equals(tspec)) | |
| 4869 goto Lyes; | |
| 4870 else | |
| 4871 goto Lno; | |
| 4872 } | |
| 4873 } | |
| 4874 | |
| 4875 Lyes: | |
| 4876 if (id) | |
| 4877 { | |
| 4878 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4879 s->semantic(sc); | |
| 4880 sc->insert(s); | |
| 4881 if (sc->sd) | |
| 4882 s->addMember(sc, sc->sd, 1); | |
| 4883 } | |
| 4884 return new IntegerExp(1); | |
| 4885 | |
| 4886 Lno: | |
| 4887 return new IntegerExp(0); | |
| 4888 } | |
| 4889 | |
| 4890 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4891 { | |
| 4892 buf->writestring("is("); | |
| 4893 targ->toCBuffer(buf, id, hgs); | |
| 4894 if (tok2 != TOKreserved) | |
| 4895 { | |
| 4896 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4897 } | |
| 4898 else if (tspec) | |
| 4899 { | |
| 4900 if (tok == TOKcolon) | |
| 4901 buf->writestring(" : "); | |
| 4902 else | |
| 4903 buf->writestring(" == "); | |
| 4904 tspec->toCBuffer(buf, NULL, hgs); | |
| 4905 } | |
| 336 | 4906 #if DMDV2 |
| 159 | 4907 if (parameters) |
| 4908 { // First parameter is already output, so start with second | |
| 4909 for (int i = 1; i < parameters->dim; i++) | |
| 4910 { | |
| 4911 buf->writeByte(','); | |
| 4912 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4913 tp->toCBuffer(buf, hgs); | |
| 4914 } | |
| 4915 } | |
| 4916 #endif | |
| 4917 buf->writeByte(')'); | |
| 4918 } | |
| 4919 | |
| 4920 | |
| 4921 /************************************************************/ | |
| 4922 | |
| 4923 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4924 : Expression(loc, op, size) | |
| 4925 { | |
| 4926 this->e1 = e1; | |
| 4927 } | |
| 4928 | |
| 4929 Expression *UnaExp::syntaxCopy() | |
| 4930 { UnaExp *e; | |
| 4931 | |
| 4932 e = (UnaExp *)copy(); | |
| 4933 e->type = NULL; | |
| 4934 e->e1 = e->e1->syntaxCopy(); | |
| 4935 return e; | |
| 4936 } | |
| 4937 | |
| 4938 Expression *UnaExp::semantic(Scope *sc) | |
| 4939 { | |
| 4940 #if LOGSEMANTIC | |
| 4941 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4942 #endif | |
| 4943 e1 = e1->semantic(sc); | |
| 4944 // if (!e1->type) | |
| 4945 // error("%s has no value", e1->toChars()); | |
| 4946 return this; | |
| 4947 } | |
| 4948 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4949 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4950 int UnaExp::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 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4953 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4954 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4955 |
| 159 | 4956 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4957 { | |
| 4958 buf->writestring(Token::toChars(op)); | |
| 4959 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4960 } | |
| 4961 | |
| 4962 /************************************************************/ | |
| 4963 | |
| 4964 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4965 : Expression(loc, op, size) | |
| 4966 { | |
| 4967 this->e1 = e1; | |
| 4968 this->e2 = e2; | |
| 4969 } | |
| 4970 | |
| 4971 Expression *BinExp::syntaxCopy() | |
| 4972 { BinExp *e; | |
| 4973 | |
| 4974 e = (BinExp *)copy(); | |
| 4975 e->type = NULL; | |
| 4976 e->e1 = e->e1->syntaxCopy(); | |
| 4977 e->e2 = e->e2->syntaxCopy(); | |
| 4978 return e; | |
| 4979 } | |
| 4980 | |
| 4981 Expression *BinExp::semantic(Scope *sc) | |
| 4982 { | |
| 4983 #if LOGSEMANTIC | |
| 4984 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4985 #endif | |
| 4986 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4987 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4988 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4989 { |
| 4990 error("%s has no value", e1->toChars()); | |
| 4991 e1->type = Type::terror; | |
| 4992 } | |
| 4993 e2 = e2->semantic(sc); | |
| 4994 if (!e2->type) | |
| 4995 { | |
| 4996 error("%s has no value", e2->toChars()); | |
| 4997 e2->type = Type::terror; | |
| 4998 } | |
| 4999 return this; | |
| 5000 } | |
| 5001 | |
| 5002 Expression *BinExp::semanticp(Scope *sc) | |
| 5003 { | |
| 5004 BinExp::semantic(sc); | |
| 5005 e1 = resolveProperties(sc, e1); | |
| 5006 e2 = resolveProperties(sc, e2); | |
| 5007 return this; | |
| 5008 } | |
| 5009 | |
| 5010 /*************************** | |
| 5011 * Common semantic routine for some xxxAssignExp's. | |
| 5012 */ | |
| 5013 | |
| 5014 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 5015 { Expression *e; | |
| 5016 | |
| 5017 if (!type) | |
| 5018 { | |
| 5019 BinExp::semantic(sc); | |
| 5020 e2 = resolveProperties(sc, e2); | |
| 5021 | |
| 5022 e = op_overload(sc); | |
| 5023 if (e) | |
| 5024 return e; | |
| 5025 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5026 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
|
5027 { // 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
|
5028 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
|
5029 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
|
5030 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
|
5031 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5032 |
| 159 | 5033 e1 = e1->modifiableLvalue(sc, e1); |
| 5034 e1->checkScalar(); | |
| 5035 type = e1->type; | |
| 5036 if (type->toBasetype()->ty == Tbool) | |
| 5037 { | |
| 5038 error("operator not allowed on bool expression %s", toChars()); | |
| 5039 } | |
| 5040 typeCombine(sc); | |
| 5041 e1->checkArithmetic(); | |
| 5042 e2->checkArithmetic(); | |
| 5043 | |
| 5044 if (op == TOKmodass && e2->type->iscomplex()) | |
| 5045 { error("cannot perform modulo complex arithmetic"); | |
| 1587 | 5046 return new ErrorExp(); |
| 159 | 5047 } |
| 5048 } | |
| 5049 return this; | |
| 5050 } | |
| 5051 | |
| 5052 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 5053 { Expression *e; | |
| 5054 | |
| 5055 if (!type) | |
| 5056 { | |
| 5057 BinExp::semantic(sc); | |
| 5058 e2 = resolveProperties(sc, e2); | |
| 5059 | |
| 5060 e = op_overload(sc); | |
| 5061 if (e) | |
| 5062 return e; | |
| 5063 | |
|
510
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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 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5065 { // 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
|
5066 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
|
5067 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
|
5068 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
|
5069 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5070 |
| 159 | 5071 e1 = e1->modifiableLvalue(sc, e1); |
| 5072 e1->checkScalar(); | |
| 5073 type = e1->type; | |
| 5074 if (type->toBasetype()->ty == Tbool) | |
| 5075 { | |
| 5076 e2 = e2->implicitCastTo(sc, type); | |
| 5077 } | |
| 5078 | |
| 5079 typeCombine(sc); | |
| 5080 e1->checkIntegral(); | |
| 5081 e2->checkIntegral(); | |
| 5082 } | |
| 5083 return this; | |
| 5084 } | |
| 5085 | |
| 5086 int BinExp::checkSideEffect(int flag) | |
| 5087 { | |
| 5088 if (op == TOKplusplus || | |
| 5089 op == TOKminusminus || | |
| 5090 op == TOKassign || | |
| 5091 op == TOKconstruct || | |
| 5092 op == TOKblit || | |
| 5093 op == TOKaddass || | |
| 5094 op == TOKminass || | |
| 5095 op == TOKcatass || | |
| 5096 op == TOKmulass || | |
| 5097 op == TOKdivass || | |
| 5098 op == TOKmodass || | |
| 5099 op == TOKshlass || | |
| 5100 op == TOKshrass || | |
| 5101 op == TOKushrass || | |
| 5102 op == TOKandass || | |
| 5103 op == TOKorass || | |
| 5104 op == TOKxorass || | |
| 5105 op == TOKin || | |
| 5106 op == TOKremove) | |
| 5107 return 1; | |
| 5108 return Expression::checkSideEffect(flag); | |
| 5109 } | |
| 5110 | |
| 1587 | 5111 // generate an error if this is a nonsensical *=,/=, or %=, eg real *= imaginary |
| 5112 void BinExp::checkComplexMulAssign() | |
| 5113 { | |
| 5114 // Any multiplication by an imaginary or complex number yields a complex result. | |
| 5115 // r *= c, i*=c, r*=i, i*=i are all forbidden operations. | |
| 5116 const char *opstr = Token::toChars(op); | |
| 5117 if ( e1->type->isreal() && e2->type->iscomplex()) | |
| 5118 { | |
| 5119 error("%s %s %s is undefined. Did you mean %s %s %s.re ?", | |
| 5120 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5121 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5122 } | |
| 5123 else if (e1->type->isimaginary() && e2->type->iscomplex()) | |
| 5124 { | |
| 5125 error("%s %s %s is undefined. Did you mean %s %s %s.im ?", | |
| 5126 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5127 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5128 } | |
| 5129 else if ((e1->type->isreal() || e1->type->isimaginary()) && | |
| 5130 e2->type->isimaginary()) | |
| 5131 { | |
| 5132 error("%s %s %s is an undefined operation", e1->type->toChars(), | |
| 5133 opstr, e2->type->toChars()); | |
| 5134 } | |
| 5135 } | |
| 5136 | |
| 5137 // generate an error if this is a nonsensical += or -=, eg real += imaginary | |
| 5138 void BinExp::checkComplexAddAssign() | |
| 5139 { | |
| 5140 // Addition or subtraction of a real and an imaginary is a complex result. | |
| 5141 // Thus, r+=i, r+=c, i+=r, i+=c are all forbidden operations. | |
| 5142 if ( (e1->type->isreal() && (e2->type->isimaginary() || e2->type->iscomplex())) || | |
| 5143 (e1->type->isimaginary() && (e2->type->isreal() || e2->type->iscomplex())) | |
| 5144 ) | |
| 5145 { | |
| 5146 error("%s %s %s is undefined (result is complex)", | |
| 5147 e1->type->toChars(), Token::toChars(op), e2->type->toChars()); | |
| 5148 } | |
| 5149 } | |
| 5150 | |
| 159 | 5151 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5152 { | |
| 5153 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5154 buf->writeByte(' '); | |
| 5155 buf->writestring(Token::toChars(op)); | |
| 5156 buf->writeByte(' '); | |
| 5157 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5158 } | |
| 5159 | |
| 5160 int BinExp::isunsigned() | |
| 5161 { | |
| 5162 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5163 } | |
| 5164 | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5165 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5166 int BinExp::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 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5169 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5170 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5171 |
| 159 | 5172 void BinExp::incompatibleTypes() |
| 5173 { | |
| 5174 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5175 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5176 e1->type->toChars(), e2->type->toChars()); | |
| 5177 } | |
| 5178 | |
| 5179 /************************************************************/ | |
| 5180 | |
| 5181 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5182 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5183 { | |
| 5184 } | |
| 5185 | |
| 5186 Expression *CompileExp::semantic(Scope *sc) | |
| 5187 { | |
| 5188 #if LOGSEMANTIC | |
| 5189 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5190 #endif | |
| 5191 UnaExp::semantic(sc); | |
| 5192 e1 = resolveProperties(sc, e1); | |
| 5193 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5194 if (e1->op != TOKstring) | |
| 5195 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5196 type = Type::terror; | |
| 5197 return this; | |
| 5198 } | |
| 5199 StringExp *se = (StringExp *)e1; | |
| 5200 se = se->toUTF8(sc); | |
| 5201 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5202 p.loc = loc; | |
| 5203 p.nextToken(); | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5204 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5205 Expression *e = p.parseExpression(); |
| 5206 if (p.token.value != TOKeof) | |
| 5207 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5208 return e->semantic(sc); | |
| 5209 } | |
| 5210 | |
| 5211 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5212 { | |
| 5213 buf->writestring("mixin("); | |
| 5214 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5215 buf->writeByte(')'); | |
| 5216 } | |
| 5217 | |
| 5218 /************************************************************/ | |
| 5219 | |
| 5220 FileExp::FileExp(Loc loc, Expression *e) | |
| 5221 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5222 { | |
| 5223 } | |
| 5224 | |
| 5225 Expression *FileExp::semantic(Scope *sc) | |
| 5226 { char *name; | |
| 5227 StringExp *se; | |
| 5228 | |
| 5229 #if LOGSEMANTIC | |
| 5230 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5231 #endif | |
| 5232 UnaExp::semantic(sc); | |
| 5233 e1 = resolveProperties(sc, e1); | |
| 5234 e1 = e1->optimize(WANTvalue); | |
| 5235 if (e1->op != TOKstring) | |
| 5236 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5237 goto Lerror; | |
| 5238 } | |
| 5239 se = (StringExp *)e1; | |
| 5240 se = se->toUTF8(sc); | |
| 5241 name = (char *)se->string; | |
| 5242 | |
| 5243 if (!global.params.fileImppath) | |
| 5244 { error("need -Jpath switch to import text file %s", name); | |
| 5245 goto Lerror; | |
| 5246 } | |
| 5247 | |
| 5248 if (name != FileName::name(name)) | |
| 5249 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5250 goto Lerror; | |
| 5251 } | |
| 5252 | |
| 5253 name = FileName::searchPath(global.filePath, name, 0); | |
| 5254 if (!name) | |
| 5255 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5256 goto Lerror; | |
| 5257 } | |
| 5258 | |
| 5259 if (global.params.verbose) | |
| 1587 | 5260 printf("file %s\t(%s)\n", (char *)se->string, name); |
| 159 | 5261 |
| 5262 { File f(name); | |
| 5263 if (f.read()) | |
| 5264 { error("cannot read file %s", f.toChars()); | |
| 5265 goto Lerror; | |
| 5266 } | |
| 5267 else | |
| 5268 { | |
| 5269 f.ref = 1; | |
| 5270 se = new StringExp(loc, f.buffer, f.len); | |
| 5271 } | |
| 5272 } | |
| 5273 Lret: | |
| 5274 return se->semantic(sc); | |
| 5275 | |
| 5276 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5277 se = new StringExp(loc, (char *)""); |
| 159 | 5278 goto Lret; |
| 5279 } | |
| 5280 | |
| 5281 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5282 { | |
| 5283 buf->writestring("import("); | |
| 5284 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5285 buf->writeByte(')'); | |
| 5286 } | |
| 5287 | |
| 5288 /************************************************************/ | |
| 5289 | |
| 5290 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5291 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5292 { | |
| 5293 this->msg = msg; | |
| 5294 } | |
| 5295 | |
| 5296 Expression *AssertExp::syntaxCopy() | |
| 5297 { | |
| 5298 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5299 msg ? msg->syntaxCopy() : NULL); | |
| 5300 return ae; | |
| 5301 } | |
| 5302 | |
| 5303 Expression *AssertExp::semantic(Scope *sc) | |
| 5304 { | |
| 5305 #if LOGSEMANTIC | |
| 5306 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5307 #endif | |
| 5308 UnaExp::semantic(sc); | |
| 5309 e1 = resolveProperties(sc, e1); | |
| 5310 // BUG: see if we can do compile time elimination of the Assert | |
| 5311 e1 = e1->optimize(WANTvalue); | |
| 5312 e1 = e1->checkToBoolean(); | |
| 5313 if (msg) | |
| 5314 { | |
| 5315 msg = msg->semantic(sc); | |
| 5316 msg = resolveProperties(sc, msg); | |
| 5317 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5318 msg = msg->optimize(WANTvalue); | |
| 5319 } | |
| 5320 if (e1->isBool(FALSE)) | |
| 5321 { | |
| 5322 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5323 fd->hasReturnExp |= 4; | |
| 5324 | |
| 5325 if (!global.params.useAssert) | |
| 5326 { Expression *e = new HaltExp(loc); | |
| 5327 e = e->semantic(sc); | |
| 5328 return e; | |
| 5329 } | |
| 5330 } | |
| 5331 type = Type::tvoid; | |
| 5332 return this; | |
| 5333 } | |
| 5334 | |
| 5335 int AssertExp::checkSideEffect(int flag) | |
| 5336 { | |
| 5337 return 1; | |
| 5338 } | |
| 5339 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5340 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5341 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5342 { |
| 1587 | 5343 /* assert()s are non-recoverable errors, so functions that |
| 5344 * use them can be considered "nothrow" | |
| 5345 */ | |
| 5346 return 0; //(global.params.useAssert != 0); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5347 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5348 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5349 |
| 159 | 5350 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5351 { | |
| 5352 buf->writestring("assert("); | |
| 5353 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5354 if (msg) | |
| 5355 { | |
| 5356 buf->writeByte(','); | |
| 5357 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5358 } | |
| 5359 buf->writeByte(')'); | |
| 5360 } | |
| 5361 | |
| 5362 /************************************************************/ | |
| 5363 | |
| 5364 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5365 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5366 { | |
| 5367 this->ident = ident; | |
| 5368 } | |
| 5369 | |
| 5370 Expression *DotIdExp::semantic(Scope *sc) | |
| 5371 { Expression *e; | |
| 5372 Expression *eleft; | |
| 5373 Expression *eright; | |
| 5374 | |
| 5375 #if LOGSEMANTIC | |
| 5376 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5377 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5378 #endif | |
| 5379 | |
| 5380 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5381 | |
| 5382 #if 0 | |
| 5383 /* Don't do semantic analysis if we'll be converting | |
| 5384 * it to a string. | |
| 5385 */ | |
| 5386 if (ident == Id::stringof) | |
| 5387 { char *s = e1->toChars(); | |
| 5388 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5389 e = e->semantic(sc); | |
| 5390 return e; | |
| 5391 } | |
| 5392 #endif | |
| 5393 | |
| 5394 /* Special case: rewrite this.id and super.id | |
| 5395 * to be classtype.id and baseclasstype.id | |
| 5396 * if we have no this pointer. | |
| 5397 */ | |
| 5398 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5399 { ClassDeclaration *cd; | |
| 5400 StructDeclaration *sd; | |
| 5401 AggregateDeclaration *ad; | |
| 5402 | |
| 5403 ad = sc->getStructClassScope(); | |
| 5404 if (ad) | |
| 5405 { | |
| 5406 cd = ad->isClassDeclaration(); | |
| 5407 if (cd) | |
| 5408 { | |
| 5409 if (e1->op == TOKthis) | |
| 5410 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5411 e = typeDotIdExp(loc, cd->type, ident); |
| 159 | 5412 return e->semantic(sc); |
| 5413 } | |
| 5414 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5415 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5416 e = typeDotIdExp(loc, cd->baseClass->type, ident); |
| 159 | 5417 return e->semantic(sc); |
| 5418 } | |
| 5419 } | |
| 5420 else | |
| 5421 { | |
| 5422 sd = ad->isStructDeclaration(); | |
| 5423 if (sd) | |
| 5424 { | |
| 5425 if (e1->op == TOKthis) | |
| 5426 { | |
|
1367
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Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5427 e = typeDotIdExp(loc, sd->type, ident); |
| 159 | 5428 return e->semantic(sc); |
| 5429 } | |
| 5430 } | |
| 5431 } | |
| 5432 } | |
| 5433 } | |
| 5434 | |
| 5435 UnaExp::semantic(sc); | |
| 5436 | |
| 5437 if (e1->op == TOKdotexp) | |
| 5438 { | |
| 5439 DotExp *de = (DotExp *)e1; | |
| 5440 eleft = de->e1; | |
| 5441 eright = de->e2; | |
| 5442 } | |
| 5443 else | |
| 5444 { | |
| 5445 e1 = resolveProperties(sc, e1); | |
| 5446 eleft = NULL; | |
| 5447 eright = e1; | |
| 5448 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5449 #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
|
5450 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
|
5451 { /* '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
|
5452 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5453 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
|
5454 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
|
5455 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
|
5456 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
|
5457 { 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
|
5458 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
|
5459 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
|
5460 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
|
5461 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5462 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
|
5463 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
|
5464 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
|
5465 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5466 #endif |
| 159 | 5467 |
| 5468 if (e1->op == TOKtuple && ident == Id::length) | |
| 5469 { | |
| 5470 TupleExp *te = (TupleExp *)e1; | |
| 5471 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5472 return e; | |
| 5473 } | |
| 5474 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5475 if (e1->op == TOKdottd) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5476 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5477 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
|
5478 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5479 } |
|
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 if (!e1->type) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5482 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5483 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
|
5484 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5485 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5486 |
| 159 | 5487 if (eright->op == TOKimport) // also used for template alias's |
| 5488 { | |
| 5489 ScopeExp *ie = (ScopeExp *)eright; | |
| 5490 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5491 /* 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
|
5492 * 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
|
5493 * 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
|
5494 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5495 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
|
5496 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5497 if (s) |
| 5498 { | |
| 5499 s = s->toAlias(); | |
| 5500 checkDeprecated(sc, s); | |
| 5501 | |
| 5502 EnumMember *em = s->isEnumMember(); | |
| 5503 if (em) | |
| 5504 { | |
| 5505 e = em->value; | |
| 5506 e = e->semantic(sc); | |
| 5507 return e; | |
| 5508 } | |
| 5509 | |
| 5510 VarDeclaration *v = s->isVarDeclaration(); | |
| 5511 if (v) | |
| 5512 { | |
| 5513 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5514 if (v->inuse) | |
| 5515 { | |
| 5516 error("circular reference to '%s'", v->toChars()); | |
| 5517 type = Type::tint32; | |
| 5518 return this; | |
| 5519 } | |
| 5520 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
|
5521 if (v->isSameAsInitializer()) |
| 159 | 5522 { |
| 5523 if (v->init) | |
| 5524 { | |
| 5525 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5526 if (ei) | |
| 5527 { | |
| 5528 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5529 //ei->exp = ei->exp->semantic(sc); | |
| 5530 if (ei->exp->type == type) | |
| 5531 { | |
| 5532 e = ei->exp->copy(); // make copy so we can change loc | |
| 5533 e->loc = loc; | |
| 5534 return e; | |
| 5535 } | |
| 5536 } | |
| 5537 } | |
| 5538 else if (type->isscalar()) | |
| 5539 { | |
| 5540 e = type->defaultInit(); | |
| 5541 e->loc = loc; | |
| 5542 return e; | |
| 5543 } | |
| 5544 } | |
| 5545 if (v->needThis()) | |
| 5546 { | |
| 5547 if (!eleft) | |
| 5548 eleft = new ThisExp(loc); | |
| 5549 e = new DotVarExp(loc, eleft, v); | |
| 5550 e = e->semantic(sc); | |
| 5551 } | |
| 5552 else | |
| 5553 { | |
| 5554 e = new VarExp(loc, v); | |
| 5555 if (eleft) | |
| 5556 { e = new CommaExp(loc, eleft, e); | |
| 5557 e->type = v->type; | |
| 5558 } | |
| 5559 } | |
| 5560 return e->deref(); | |
| 5561 } | |
| 5562 | |
| 5563 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5564 if (f) | |
| 5565 { | |
| 5566 //printf("it's a function\n"); | |
| 5567 if (f->needThis()) | |
| 5568 { | |
| 5569 if (!eleft) | |
| 5570 eleft = new ThisExp(loc); | |
| 5571 e = new DotVarExp(loc, eleft, f); | |
| 5572 e = e->semantic(sc); | |
| 5573 } | |
| 5574 else | |
| 5575 { | |
| 5576 e = new VarExp(loc, f); | |
| 5577 if (eleft) | |
| 5578 { e = new CommaExp(loc, eleft, e); | |
| 5579 e->type = f->type; | |
| 5580 } | |
| 5581 } | |
| 5582 return e; | |
| 5583 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5584 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5585 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5586 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5587 { //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
|
5588 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5589 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5590 #endif |
| 159 | 5591 |
| 5592 Type *t = s->getType(); | |
| 5593 if (t) | |
| 5594 { | |
| 5595 return new TypeExp(loc, t); | |
| 5596 } | |
| 5597 | |
| 336 | 5598 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5599 if (tup) | |
| 5600 { | |
| 5601 if (eleft) | |
| 5602 error("cannot have e.tuple"); | |
| 5603 e = new TupleExp(loc, tup); | |
| 5604 e = e->semantic(sc); | |
| 5605 return e; | |
| 5606 } | |
| 5607 | |
| 159 | 5608 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5609 if (sds) | |
| 5610 { | |
| 5611 //printf("it's a ScopeDsymbol\n"); | |
| 5612 e = new ScopeExp(loc, sds); | |
| 5613 e = e->semantic(sc); | |
| 5614 if (eleft) | |
| 5615 e = new DotExp(loc, eleft, e); | |
| 5616 return e; | |
| 5617 } | |
| 5618 | |
| 5619 Import *imp = s->isImport(); | |
| 5620 if (imp) | |
| 5621 { | |
| 5622 ScopeExp *ie; | |
| 5623 | |
| 5624 ie = new ScopeExp(loc, imp->pkg); | |
| 5625 return ie->semantic(sc); | |
| 5626 } | |
| 5627 | |
| 5628 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5629 #ifdef DEBUG | |
| 5630 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5631 #endif | |
| 5632 assert(0); | |
| 5633 } | |
| 5634 else if (ident == Id::stringof) | |
| 5635 { char *s = ie->toChars(); | |
| 5636 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5637 e = e->semantic(sc); | |
| 5638 return e; | |
| 5639 } | |
| 5640 error("undefined identifier %s", toChars()); | |
| 5641 type = Type::tvoid; | |
| 5642 return this; | |
| 5643 } | |
| 5644 else if (e1->type->ty == Tpointer && | |
| 5645 ident != Id::init && ident != Id::__sizeof && | |
| 5646 ident != Id::alignof && ident != Id::offsetof && | |
| 5647 ident != Id::mangleof && ident != Id::stringof) | |
| 1587 | 5648 { /* Rewrite: |
| 5649 * p.ident | |
| 5650 * as: | |
| 5651 * (*p).ident | |
| 5652 */ | |
| 159 | 5653 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
|
5654 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5655 return e->type->dotExp(sc, e, ident); |
| 5656 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5657 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5658 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5659 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5660 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5661 { /* 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
|
5662 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5663 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5664 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5665 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5666 unsigned errors = global.errors; |
|
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 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5669 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5670 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
|
5671 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5672 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5673 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
|
5674 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5675 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5676 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5677 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5678 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5679 #endif |
| 159 | 5680 else |
| 5681 { | |
| 5682 e = e1->type->dotExp(sc, e1, ident); | |
| 5683 e = e->semantic(sc); | |
| 5684 return e; | |
| 5685 } | |
| 5686 } | |
| 5687 | |
| 5688 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5689 { | |
| 5690 //printf("DotIdExp::toCBuffer()\n"); | |
| 5691 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5692 buf->writeByte('.'); | |
| 5693 buf->writestring(ident->toChars()); | |
| 5694 } | |
| 5695 | |
| 5696 /********************** DotTemplateExp ***********************************/ | |
| 5697 | |
| 5698 // Mainly just a placeholder | |
| 5699 | |
| 5700 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5701 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5702 | |
| 5703 { | |
| 5704 this->td = td; | |
| 5705 } | |
| 5706 | |
| 5707 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5708 { | |
| 5709 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5710 buf->writeByte('.'); | |
| 5711 buf->writestring(td->toChars()); | |
| 5712 } | |
| 5713 | |
| 5714 | |
| 5715 /************************************************************/ | |
| 5716 | |
| 5717 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5718 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5719 { | |
| 5720 //printf("DotVarExp()\n"); | |
| 5721 this->var = v; | |
| 5722 } | |
| 5723 | |
| 5724 Expression *DotVarExp::semantic(Scope *sc) | |
| 5725 { | |
| 5726 #if LOGSEMANTIC | |
| 5727 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5728 #endif | |
| 5729 if (!type) | |
| 5730 { | |
| 5731 var = var->toAlias()->isDeclaration(); | |
| 5732 | |
| 5733 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5734 if (tup) | |
| 5735 { /* Replace: | |
| 5736 * e1.tuple(a, b, c) | |
| 5737 * with: | |
| 5738 * tuple(e1.a, e1.b, e1.c) | |
| 5739 */ | |
| 5740 Expressions *exps = new Expressions; | |
| 5741 | |
| 5742 exps->reserve(tup->objects->dim); | |
| 5743 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5744 { Object *o = (Object *)tup->objects->data[i]; | |
| 5745 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5746 { | |
| 5747 error("%s is not an expression", o->toChars()); | |
| 5748 } | |
| 5749 else | |
| 5750 { | |
| 5751 Expression *e = (Expression *)o; | |
| 5752 if (e->op != TOKdsymbol) | |
| 5753 error("%s is not a member", e->toChars()); | |
| 5754 else | |
| 5755 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5756 | |
| 5757 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5758 exps->push(e); | |
| 5759 } | |
| 5760 } | |
| 5761 } | |
| 5762 Expression *e = new TupleExp(loc, exps); | |
| 5763 e = e->semantic(sc); | |
| 5764 return e; | |
| 5765 } | |
| 5766 | |
| 5767 e1 = e1->semantic(sc); | |
| 5768 type = var->type; | |
| 5769 if (!type && global.errors) | |
| 5770 { // var is goofed up, just return 0 | |
| 1587 | 5771 return new ErrorExp(); |
| 159 | 5772 } |
| 5773 assert(type); | |
| 5774 | |
| 5775 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5776 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5777 Dsymbol *vparent = var->toParent(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5778 AggregateDeclaration *ad = vparent ? vparent->isAggregateDeclaration() : NULL; |
| 336 | 5779 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5780 if (!sc->noaccesscheck) | |
| 5781 accessCheck(loc, sc, e1, var); | |
| 5782 | |
| 5783 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
|
5784 if (v && v->isSameAsInitializer()) |
| 336 | 5785 { ExpInitializer *ei = v->getExpInitializer(); |
| 5786 if (ei) | |
| 5787 { Expression *e = ei->exp->copy(); | |
| 5788 e = e->semantic(sc); | |
| 5789 return e; | |
| 159 | 5790 } |
| 5791 } | |
| 5792 } | |
| 5793 } | |
| 5794 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5795 return this; | |
| 5796 } | |
| 5797 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5798 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5799 int DotVarExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5802 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5803 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5804 |
| 159 | 5805 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5806 { | |
| 5807 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5808 return this; | |
| 5809 } | |
| 5810 | |
| 5811 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5812 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5813 #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
|
5814 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
|
5815 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
|
5816 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
|
5817 #endif |
| 159 | 5818 |
| 5819 if (var->isCtorinit()) | |
| 5820 { // It's only modifiable if inside the right constructor | |
| 5821 Dsymbol *s = sc->func; | |
| 5822 while (1) | |
| 5823 { | |
| 5824 FuncDeclaration *fd = NULL; | |
| 5825 if (s) | |
| 5826 fd = s->isFuncDeclaration(); | |
| 5827 if (fd && | |
| 5828 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5829 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5830 fd->toParent() == var->toParent() && | |
| 5831 e1->op == TOKthis | |
| 5832 ) | |
| 5833 { | |
| 5834 VarDeclaration *v = var->isVarDeclaration(); | |
| 5835 assert(v); | |
| 5836 v->ctorinit = 1; | |
| 5837 //printf("setting ctorinit\n"); | |
| 5838 } | |
| 5839 else | |
| 5840 { | |
| 5841 if (s) | |
| 5842 { s = s->toParent2(); | |
| 5843 continue; | |
| 5844 } | |
| 5845 else | |
| 5846 { | |
| 5847 const char *p = var->isStatic() ? "static " : ""; | |
| 5848 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5849 p, var->toChars(), p); | |
| 5850 } | |
| 5851 } | |
| 5852 break; | |
| 5853 } | |
| 5854 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5855 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5856 else |
|
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 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5859 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5860 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5861 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5862 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5863 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5864 var->storage_class & STCmanifest |
|
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 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5867 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5868 #endif |
| 159 | 5869 return this; |
| 5870 } | |
| 5871 | |
| 5872 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5873 { | |
| 5874 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5875 buf->writeByte('.'); | |
| 5876 buf->writestring(var->toChars()); | |
| 5877 } | |
| 5878 | |
| 5879 /************************************************************/ | |
| 5880 | |
| 5881 /* Things like: | |
| 5882 * foo.bar!(args) | |
| 5883 */ | |
| 5884 | |
| 5885 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5886 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5887 { | |
| 5888 //printf("DotTemplateInstanceExp()\n"); | |
| 5889 this->ti = ti; | |
| 5890 } | |
| 5891 | |
| 5892 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5893 { | |
| 5894 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5895 e1->syntaxCopy(), | |
| 5896 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5897 return de; | |
| 5898 } | |
| 5899 | |
| 5900 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5901 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5902 #if 1 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5903 #if LOGSEMANTIC |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5904 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5905 #endif |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5906 Expression *eleft; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5907 Expression *e = new DotIdExp(loc, e1, ti->name); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5908 L1: |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5909 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5910 if (e->op == TOKdottd) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5911 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5912 DotTemplateExp *dte = (DotTemplateExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5913 TemplateDeclaration *td = dte->td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5914 eleft = dte->e1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5915 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5916 ti->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5917 Dsymbol *s = ti->inst->toAlias(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5918 Declaration *v = s->isDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5919 if (v) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5920 { e = new DotVarExp(loc, eleft, v); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5921 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5922 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5923 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5924 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5925 e = new DotExp(loc, eleft, e); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5926 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5927 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5928 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5929 else if (e->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5930 { ScopeExp *se = (ScopeExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5931 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5932 if (!td) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5933 { error("%s is not a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5934 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5935 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5936 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5937 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5938 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5939 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5940 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5941 else if (e->op == TOKdotexp) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5942 { DotExp *de = (DotExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5943 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5944 if (de->e2->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5945 { // This should *really* be moved to ScopeExp::semantic() |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5946 ScopeExp *se = (ScopeExp *)de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5947 de->e2 = new DsymbolExp(loc, se->sds); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5948 de->e2 = de->e2->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5949 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5950 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5951 if (de->e2->op == TOKtemplate) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5952 { TemplateExp *te = (TemplateExp *) de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5953 e = new DotTemplateExp(loc,de->e1,te->td); |
|
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 goto L1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5956 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5957 error("%s isn't a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5958 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5959 #else |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5960 Dsymbol *s; |
| 159 | 5961 Dsymbol *s2; |
| 5962 TemplateDeclaration *td; | |
| 5963 Expression *e; | |
| 5964 Identifier *id; | |
| 5965 Type *t1; | |
| 5966 Expression *eleft = NULL; | |
| 5967 Expression *eright; | |
| 5968 | |
| 5969 #if LOGSEMANTIC | |
| 5970 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5971 #endif | |
| 5972 //e1->print(); | |
| 5973 //print(); | |
| 5974 e1 = e1->semantic(sc); | |
| 5975 t1 = e1->type; | |
| 5976 if (t1) | |
| 5977 t1 = t1->toBasetype(); | |
| 5978 //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
|
5979 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5980 /* 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
|
5981 * 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
|
5982 * 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
|
5983 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5984 |
| 159 | 5985 if (e1->op == TOKdotexp) |
| 5986 { DotExp *de = (DotExp *)e1; | |
| 5987 eleft = de->e1; | |
| 5988 eright = de->e2; | |
| 5989 } | |
| 5990 else | |
| 5991 { eleft = NULL; | |
| 5992 eright = e1; | |
| 5993 } | |
| 5994 if (eright->op == TOKimport) | |
| 5995 { | |
| 5996 s = ((ScopeExp *)eright)->sds; | |
| 5997 } | |
| 5998 else if (e1->op == TOKtype) | |
| 5999 { | |
| 6000 s = t1->isClassHandle(); | |
| 6001 if (!s) | |
| 6002 { if (t1->ty == Tstruct) | |
| 6003 s = ((TypeStruct *)t1)->sym; | |
| 6004 else | |
| 6005 goto L1; | |
| 6006 } | |
| 6007 } | |
| 6008 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 6009 { | |
| 6010 s = t1->toDsymbol(sc); | |
| 6011 eleft = e1; | |
| 6012 } | |
| 6013 else if (t1 && t1->ty == Tpointer) | |
| 6014 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6015 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 6016 if (t1->ty != Tstruct) |
| 6017 goto L1; | |
| 6018 s = t1->toDsymbol(sc); | |
| 6019 eleft = e1; | |
| 6020 } | |
| 6021 else | |
| 6022 { | |
| 6023 L1: | |
| 6024 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 6025 goto Lerr; | |
| 6026 } | |
| 6027 | |
| 6028 assert(s); | |
| 6029 id = ti->name; | |
| 6030 s2 = s->search(loc, id, 0); | |
| 6031 if (!s2) | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6032 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6033 if (!s->ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6034 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
|
6035 else |
|
1258
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
6036 error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); |
| 159 | 6037 goto Lerr; |
| 6038 } | |
| 6039 s = s2; | |
| 6040 s->semantic(sc); | |
| 6041 s = s->toAlias(); | |
| 6042 td = s->isTemplateDeclaration(); | |
| 6043 if (!td) | |
| 6044 { | |
| 6045 error("%s is not a template", id->toChars()); | |
| 6046 goto Lerr; | |
| 6047 } | |
| 6048 if (global.errors) | |
| 6049 goto Lerr; | |
| 6050 | |
| 6051 ti->tempdecl = td; | |
| 6052 | |
| 6053 if (eleft) | |
| 6054 { Declaration *v; | |
| 6055 | |
| 6056 ti->semantic(sc); | |
| 6057 s = ti->inst->toAlias(); | |
| 6058 v = s->isDeclaration(); | |
| 6059 if (v) | |
| 6060 { e = new DotVarExp(loc, eleft, v); | |
| 6061 e = e->semantic(sc); | |
| 6062 return e; | |
| 6063 } | |
| 6064 } | |
| 6065 | |
| 6066 e = new ScopeExp(loc, ti); | |
| 6067 if (eleft) | |
| 6068 { | |
| 6069 e = new DotExp(loc, eleft, e); | |
| 6070 } | |
| 6071 e = e->semantic(sc); | |
| 6072 return e; | |
| 6073 | |
| 6074 Lerr: | |
| 336 | 6075 return new IntegerExp(loc, 0, Type::tint32); |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6076 #endif |
| 159 | 6077 } |
| 6078 | |
| 6079 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6080 { | |
| 6081 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6082 buf->writeByte('.'); | |
| 6083 ti->toCBuffer(buf, hgs); | |
| 6084 } | |
| 6085 | |
| 6086 /************************************************************/ | |
| 6087 | |
| 6088 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 6089 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 6090 { | |
| 6091 this->func = f; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6092 m = NULL; |
| 159 | 6093 } |
| 6094 | |
| 6095 Expression *DelegateExp::semantic(Scope *sc) | |
| 6096 { | |
| 6097 #if LOGSEMANTIC | |
| 6098 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 6099 #endif | |
| 6100 if (!type) | |
| 6101 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6102 m = sc->module; |
| 159 | 6103 e1 = e1->semantic(sc); |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6104 // 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
|
6105 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 6106 type = type->semantic(loc, sc); |
| 6107 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 6108 if (func->needThis()) |
| 6109 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 6110 } |
| 6111 return this; | |
| 6112 } | |
| 6113 | |
| 6114 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6115 { | |
| 6116 buf->writeByte('&'); | |
| 6117 if (!func->isNested()) | |
| 6118 { | |
| 6119 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6120 buf->writeByte('.'); | |
| 6121 } | |
| 6122 buf->writestring(func->toChars()); | |
| 6123 } | |
| 6124 | |
| 6125 /************************************************************/ | |
| 6126 | |
| 6127 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 6128 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 6129 { | |
| 6130 this->sym = s; | |
| 6131 this->type = s->getType(); | |
| 6132 } | |
| 6133 | |
| 6134 Expression *DotTypeExp::semantic(Scope *sc) | |
| 6135 { | |
| 6136 #if LOGSEMANTIC | |
| 6137 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 6138 #endif | |
| 6139 UnaExp::semantic(sc); | |
| 6140 return this; | |
| 6141 } | |
| 6142 | |
| 6143 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6144 { | |
| 6145 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6146 buf->writeByte('.'); | |
| 6147 buf->writestring(sym->toChars()); | |
| 6148 } | |
| 6149 | |
| 6150 /************************************************************/ | |
| 6151 | |
| 6152 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 6153 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6154 { | |
| 6155 this->arguments = exps; | |
| 6156 } | |
| 6157 | |
| 6158 CallExp::CallExp(Loc loc, Expression *e) | |
| 6159 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6160 { | |
| 6161 this->arguments = NULL; | |
| 6162 } | |
| 6163 | |
| 6164 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 6165 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6166 { | |
| 6167 Expressions *arguments = new Expressions(); | |
| 1587 | 6168 if (earg1) |
| 6169 { arguments->setDim(1); | |
| 6170 arguments->data[0] = (void *)earg1; | |
| 6171 } | |
| 159 | 6172 this->arguments = arguments; |
| 6173 } | |
| 6174 | |
| 6175 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 6176 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6177 { | |
| 6178 Expressions *arguments = new Expressions(); | |
| 6179 arguments->setDim(2); | |
| 6180 arguments->data[0] = (void *)earg1; | |
| 6181 arguments->data[1] = (void *)earg2; | |
| 6182 | |
| 6183 this->arguments = arguments; | |
| 6184 } | |
| 6185 | |
| 6186 Expression *CallExp::syntaxCopy() | |
| 6187 { | |
| 6188 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 6189 } | |
| 6190 | |
| 6191 | |
| 6192 Expression *CallExp::semantic(Scope *sc) | |
| 6193 { | |
| 6194 TypeFunction *tf; | |
| 6195 FuncDeclaration *f; | |
| 6196 int i; | |
| 6197 Type *t1; | |
| 6198 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
|
6199 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 6200 |
| 6201 #if LOGSEMANTIC | |
| 6202 printf("CallExp::semantic() %s\n", toChars()); | |
| 6203 #endif | |
| 6204 if (type) | |
| 6205 return this; // semantic() already run | |
| 6206 #if 0 | |
| 6207 if (arguments && arguments->dim) | |
| 6208 { | |
| 6209 Expression *earg = (Expression *)arguments->data[0]; | |
| 6210 earg->print(); | |
| 6211 if (earg->type) earg->type->print(); | |
| 6212 } | |
| 6213 #endif | |
| 6214 | |
| 6215 if (e1->op == TOKdelegate) | |
| 6216 { DelegateExp *de = (DelegateExp *)e1; | |
| 6217 | |
| 6218 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 6219 return semantic(sc); | |
| 6220 } | |
| 6221 | |
| 6222 /* Transform: | |
| 6223 * array.id(args) into id(array,args) | |
| 6224 * aa.remove(arg) into delete aa[arg] | |
| 6225 */ | |
| 6226 if (e1->op == TOKdot) | |
| 6227 { | |
| 6228 // BUG: we should handle array.a.b.c.e(args) too | |
| 6229 | |
| 6230 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6231 dotid->e1 = dotid->e1->semantic(sc); | |
| 6232 assert(dotid->e1); | |
| 6233 if (dotid->e1->type) | |
| 6234 { | |
| 6235 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6236 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6237 { | |
| 6238 if (!arguments || arguments->dim != 1) | |
| 6239 { error("expected key as argument to aa.remove()"); | |
| 6240 goto Lagain; | |
| 6241 } | |
| 6242 Expression *key = (Expression *)arguments->data[0]; | |
| 6243 key = key->semantic(sc); | |
| 6244 key = resolveProperties(sc, key); | |
| 6245 key->rvalue(); | |
| 6246 | |
| 6247 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6248 key = key->implicitCastTo(sc, taa->index); | |
| 6249 key = key->implicitCastTo(sc, taa->key); | |
| 6250 | |
| 6251 return new RemoveExp(loc, dotid->e1, key); | |
| 6252 } | |
| 6253 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6254 { | |
| 6255 if (!arguments) | |
| 6256 arguments = new Expressions(); | |
| 6257 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6258 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6259 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
|
6260 #else |
| 159 | 6261 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
|
6262 #endif |
|
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 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6266 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6267 #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
|
6268 /* 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
|
6269 * 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
|
6270 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6271 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
|
6272 { 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
|
6273 TemplateInstance *ti = se->sds->isTemplateInstance(); |
| 1587 | 6274 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
|
6275 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6276 /* 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
|
6277 * 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
|
6278 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6279 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
|
6280 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
|
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 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
|
6283 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
|
6284 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
|
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 /* 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
|
6287 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6288 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
|
6289 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
|
6290 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
|
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 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6294 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6295 /* 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
|
6296 * 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
|
6297 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6298 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
|
6299 { 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
|
6300 TemplateInstance *ti = se->ti; |
| 1587 | 6301 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
|
6302 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6303 /* 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
|
6304 * 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
|
6305 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6306 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
|
6307 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
|
6308 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
|
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 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
|
6311 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
|
6312 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
|
6313 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6314 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
|
6315 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
|
6316 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
|
6317 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6318 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6319 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
|
6320 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6321 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6322 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6323 |
| 159 | 6324 istemp = 0; |
| 6325 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
|
6326 //printf("Lagain: %s\n", toChars()); |
| 159 | 6327 f = NULL; |
| 6328 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6329 { | |
| 6330 // semantic() run later for these | |
| 6331 } | |
| 6332 else | |
| 6333 { | |
| 6334 UnaExp::semantic(sc); | |
| 6335 | |
| 6336 /* Look for e1 being a lazy parameter | |
| 6337 */ | |
| 6338 if (e1->op == TOKvar) | |
| 6339 { VarExp *ve = (VarExp *)e1; | |
| 6340 | |
| 6341 if (ve->var->storage_class & STClazy) | |
| 6342 { | |
| 6343 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6344 TypeDelegate *t = new TypeDelegate(tf); | |
| 6345 ve->type = t->semantic(loc, sc); | |
| 6346 } | |
| 6347 } | |
| 6348 | |
| 6349 if (e1->op == TOKimport) | |
| 6350 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6351 ScopeExp *se = (ScopeExp *)e1; | |
| 6352 e1 = new DsymbolExp(loc, se->sds); | |
| 6353 e1 = e1->semantic(sc); | |
| 6354 } | |
| 6355 #if 1 // patch for #540 by Oskar Linde | |
| 6356 else if (e1->op == TOKdotexp) | |
| 6357 { | |
| 6358 DotExp *de = (DotExp *) e1; | |
| 6359 | |
| 6360 if (de->e2->op == TOKimport) | |
| 6361 { // This should *really* be moved to ScopeExp::semantic() | |
| 6362 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6363 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6364 de->e2 = de->e2->semantic(sc); | |
| 6365 } | |
| 6366 | |
| 6367 if (de->e2->op == TOKtemplate) | |
| 6368 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6369 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6370 } | |
| 6371 } | |
| 6372 #endif | |
| 6373 } | |
| 6374 | |
| 6375 if (e1->op == TOKcomma) | |
| 6376 { | |
| 6377 CommaExp *ce = (CommaExp *)e1; | |
| 6378 | |
| 6379 e1 = ce->e2; | |
| 6380 e1->type = ce->type; | |
| 6381 ce->e2 = this; | |
| 6382 ce->type = NULL; | |
| 6383 return ce->semantic(sc); | |
| 6384 } | |
| 6385 | |
| 6386 t1 = NULL; | |
| 6387 if (e1->type) | |
| 6388 t1 = e1->type->toBasetype(); | |
| 6389 | |
| 6390 // Check for call operator overload | |
| 6391 if (t1) | |
| 6392 { AggregateDeclaration *ad; | |
| 6393 | |
| 6394 if (t1->ty == Tstruct) | |
| 6395 { | |
| 6396 ad = ((TypeStruct *)t1)->sym; | |
| 1587 | 6397 #if DMDV2 |
| 6398 // First look for constructor | |
| 6399 if (ad->ctor && arguments && arguments->dim) | |
| 6400 { | |
| 6401 // Create variable that will get constructed | |
| 6402 Identifier *idtmp = Lexer::uniqueId("__ctmp"); | |
| 6403 VarDeclaration *tmp = new VarDeclaration(loc, t1, idtmp, NULL); | |
| 6404 Expression *av = new DeclarationExp(loc, tmp); | |
| 6405 av = new CommaExp(loc, av, new VarExp(loc, tmp)); | |
| 6406 | |
| 6407 Expression *e; | |
| 6408 CtorDeclaration *cf = ad->ctor->isCtorDeclaration(); | |
| 6409 if (cf) | |
| 6410 e = new DotVarExp(loc, av, cf, 1); | |
| 6411 else | |
| 6412 { TemplateDeclaration *td = ad->ctor->isTemplateDeclaration(); | |
| 6413 assert(td); | |
| 6414 e = new DotTemplateExp(loc, av, td); | |
| 6415 } | |
| 6416 e = new CallExp(loc, e, arguments); | |
| 6417 #if !STRUCTTHISREF | |
| 6418 /* Constructors return a pointer to the instance | |
| 6419 */ | |
| 6420 e = new PtrExp(loc, e); | |
| 6421 #endif | |
| 6422 e = e->semantic(sc); | |
| 6423 return e; | |
| 6424 } | |
| 6425 #endif | |
| 6426 // No constructor, look for overload of opCall | |
| 159 | 6427 if (search_function(ad, Id::call)) |
| 6428 goto L1; // overload of opCall, therefore it's a call | |
| 6429 | |
| 6430 if (e1->op != TOKtype) | |
| 6431 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6432 /* It's a struct literal | |
| 6433 */ | |
| 6434 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6435 e = e->semantic(sc); | |
| 6436 e->type = e1->type; // in case e1->type was a typedef | |
| 6437 return e; | |
| 6438 } | |
| 6439 else if (t1->ty == Tclass) | |
| 6440 { | |
| 6441 ad = ((TypeClass *)t1)->sym; | |
| 6442 goto L1; | |
| 6443 L1: | |
| 6444 // Rewrite as e1.call(arguments) | |
| 6445 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6446 e = new CallExp(loc, e, arguments); | |
| 6447 e = e->semantic(sc); | |
| 6448 return e; | |
| 6449 } | |
| 6450 } | |
| 6451 | |
| 6452 arrayExpressionSemantic(arguments, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6453 preFunctionParameters(loc, sc, arguments); |
| 159 | 6454 |
| 6455 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6456 e1->op == TOKdottd) | |
| 6457 { | |
| 6458 DotVarExp *dve; | |
| 6459 DotTemplateExp *dte; | |
| 6460 AggregateDeclaration *ad; | |
| 6461 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6462 |
| 159 | 6463 if (e1->op == TOKdotvar) |
| 6464 { // Do overload resolution | |
| 6465 dve = (DotVarExp *)(e1); | |
| 6466 | |
| 6467 f = dve->var->isFuncDeclaration(); | |
| 6468 assert(f); | |
| 1587 | 6469 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6470 |
| 6471 ad = f->toParent()->isAggregateDeclaration(); | |
| 6472 } | |
| 6473 else | |
| 6474 { dte = (DotTemplateExp *)(e1); | |
| 6475 TemplateDeclaration *td = dte->td; | |
| 6476 assert(td); | |
| 6477 if (!arguments) | |
| 6478 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6479 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6480 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6481 if (!f) |
| 6482 { type = Type::terror; | |
| 6483 return this; | |
| 6484 } | |
| 6485 ad = td->toParent()->isAggregateDeclaration(); | |
| 6486 } | |
| 336 | 6487 if (f->needThis()) |
| 6488 { | |
| 6489 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6490 } | |
| 6491 | |
| 6492 /* Cannot call public functions from inside invariant | |
| 6493 * (because then the invariant would have infinite recursion) | |
| 159 | 6494 */ |
| 336 | 6495 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6496 ue->e1->op == TOKthis && | |
| 6497 f->addPostInvariant() | |
| 159 | 6498 ) |
| 6499 { | |
| 336 | 6500 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6501 } |
| 6502 | |
| 6503 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 #endif |
| 159 | 6507 accessCheck(loc, sc, ue->e1, f); |
| 6508 if (!f->needThis()) | |
| 6509 { | |
| 6510 VarExp *ve = new VarExp(loc, f); | |
| 6511 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6512 e1->type = f->type; | |
| 6513 } | |
| 6514 else | |
| 6515 { | |
| 6516 if (e1->op == TOKdotvar) | |
| 6517 dve->var = f; | |
| 6518 else | |
| 6519 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6520 e1->type = f->type; | |
| 6521 | |
| 6522 // See if we need to adjust the 'this' pointer | |
| 6523 AggregateDeclaration *ad = f->isThis(); | |
| 6524 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6525 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6526 ue->e1->op != TOKsuper) | |
| 6527 { | |
| 6528 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6529 ue->e1 = ue->e1->semantic(sc); | |
| 6530 } | |
| 6531 } | |
| 6532 t1 = e1->type; | |
| 6533 } | |
| 6534 else if (e1->op == TOKsuper) | |
| 6535 { | |
| 6536 // Base class constructor call | |
| 6537 ClassDeclaration *cd = NULL; | |
| 6538 | |
| 6539 if (sc->func) | |
| 6540 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6541 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6542 { | |
| 6543 error("super class constructor call must be in a constructor"); | |
| 6544 type = Type::terror; | |
| 6545 return this; | |
| 6546 } | |
| 6547 else | |
| 6548 { | |
| 6549 f = cd->baseClass->ctor; | |
| 6550 if (!f) | |
| 6551 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6552 type = Type::terror; | |
| 6553 return this; | |
| 6554 } | |
| 6555 else | |
| 6556 { | |
| 336 | 6557 if (!sc->intypeof) |
| 6558 { | |
| 159 | 6559 #if 0 |
| 336 | 6560 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6561 error("reference to this before super()"); | |
| 159 | 6562 #endif |
| 336 | 6563 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6564 error("constructor calls not allowed in loops or after labels"); | |
| 6565 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6566 error("multiple constructor calls"); | |
| 6567 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6568 } | |
| 159 | 6569 |
| 1587 | 6570 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6571 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6572 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6573 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6574 #endif |
| 159 | 6575 e1 = new DotVarExp(e1->loc, e1, f); |
| 6576 e1 = e1->semantic(sc); | |
| 6577 t1 = e1->type; | |
| 6578 } | |
| 6579 } | |
| 6580 } | |
| 6581 else if (e1->op == TOKthis) | |
| 6582 { | |
| 6583 // same class constructor call | |
| 6584 ClassDeclaration *cd = NULL; | |
| 6585 | |
| 6586 if (sc->func) | |
| 6587 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6588 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6589 { | |
| 6590 error("class constructor call must be in a constructor"); | |
| 6591 type = Type::terror; | |
| 6592 return this; | |
| 6593 } | |
| 6594 else | |
| 6595 { | |
| 336 | 6596 if (!sc->intypeof) |
| 6597 { | |
| 159 | 6598 #if 0 |
| 336 | 6599 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6600 error("reference to this before super()"); | |
| 159 | 6601 #endif |
| 336 | 6602 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6603 error("constructor calls not allowed in loops or after labels"); | |
| 6604 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6605 error("multiple constructor calls"); | |
| 6606 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6607 } | |
| 159 | 6608 |
| 6609 f = cd->ctor; | |
| 1587 | 6610 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6611 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6612 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6613 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6614 #endif |
| 159 | 6615 e1 = new DotVarExp(e1->loc, e1, f); |
| 6616 e1 = e1->semantic(sc); | |
| 6617 t1 = e1->type; | |
| 6618 | |
| 6619 // BUG: this should really be done by checking the static | |
| 6620 // call graph | |
| 6621 if (f == sc->func) | |
| 6622 error("cyclic constructor call"); | |
| 6623 } | |
| 6624 } | |
| 6625 else if (!t1) | |
| 6626 { | |
| 6627 error("function expected before (), not '%s'", e1->toChars()); | |
| 6628 type = Type::terror; | |
| 6629 return this; | |
| 6630 } | |
| 6631 else if (t1->ty != Tfunction) | |
| 6632 { | |
| 6633 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
|
6634 { 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
|
6635 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
|
6636 tf = (TypeFunction *)(td->next); |
| 159 | 6637 goto Lcheckargs; |
| 6638 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6639 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6640 { Expression *e; |
| 6641 | |
| 6642 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
|
6643 t1 = ((TypePointer *)t1)->next; |
| 159 | 6644 e->type = t1; |
| 6645 e1 = e; | |
| 6646 } | |
| 6647 else if (e1->op == TOKtemplate) | |
| 6648 { | |
| 6649 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6650 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6651 if (!f) |
| 6652 { type = Type::terror; | |
| 6653 return this; | |
| 6654 } | |
| 6655 if (f->needThis() && hasThis(sc)) | |
| 6656 { | |
| 6657 // Supply an implicit 'this', as in | |
| 6658 // this.ident | |
| 6659 | |
| 6660 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6661 goto Lagain; | |
| 6662 } | |
| 6663 | |
| 6664 e1 = new VarExp(loc, f); | |
| 6665 goto Lagain; | |
| 6666 } | |
| 6667 else | |
| 6668 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6669 type = Type::terror; | |
| 6670 return this; | |
| 6671 } | |
| 6672 } | |
| 6673 else if (e1->op == TOKvar) | |
| 6674 { | |
| 6675 // Do overload resolution | |
| 6676 VarExp *ve = (VarExp *)e1; | |
| 6677 | |
| 6678 f = ve->var->isFuncDeclaration(); | |
| 6679 assert(f); | |
| 6680 | |
| 6681 // Look to see if f is really a function template | |
| 6682 if (0 && !istemp && f->parent) | |
| 6683 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6684 | |
| 6685 if (ti && | |
| 6686 (ti->name == f->ident || | |
| 6687 ti->toAlias()->ident == f->ident) | |
| 6688 && | |
| 6689 ti->tempdecl) | |
| 6690 { | |
| 6691 /* This is so that one can refer to the enclosing | |
| 6692 * template, even if it has the same name as a member | |
| 6693 * of the template, if it has a !(arguments) | |
| 6694 */ | |
| 6695 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6696 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6697 tempdecl = tempdecl->overroot; // then get the start | |
| 6698 e1 = new TemplateExp(loc, tempdecl); | |
| 6699 istemp = 1; | |
| 6700 goto Lagain; | |
| 6701 } | |
| 6702 } | |
| 6703 | |
| 1587 | 6704 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6705 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6707 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6708 #endif |
| 159 | 6709 |
| 6710 if (f->needThis() && hasThis(sc)) | |
| 6711 { | |
| 6712 // Supply an implicit 'this', as in | |
| 6713 // this.ident | |
| 6714 | |
| 6715 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6716 goto Lagain; | |
| 6717 } | |
| 6718 | |
| 6719 accessCheck(loc, sc, NULL, f); | |
| 6720 | |
| 6721 ve->var = f; | |
| 6722 ve->type = f->type; | |
| 6723 t1 = f->type; | |
| 6724 } | |
| 6725 assert(t1->ty == Tfunction); | |
| 6726 tf = (TypeFunction *)(t1); | |
| 6727 | |
| 6728 Lcheckargs: | |
| 6729 assert(tf->ty == Tfunction); | |
| 6730 type = tf->next; | |
| 6731 | |
| 6732 if (!arguments) | |
| 6733 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6734 functionParameters(loc, sc, tf, arguments); |
| 159 | 6735 |
| 6736 assert(type); | |
| 6737 | |
| 6738 if (f && f->tintro) | |
| 6739 { | |
| 6740 Type *t = type; | |
| 6741 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
|
6742 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
|
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 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
|
6745 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6746 type = tf->next; |
| 159 | 6747 return castTo(sc, t); |
| 6748 } | |
| 6749 } | |
| 6750 | |
| 6751 return this; | |
| 6752 } | |
| 6753 | |
| 6754 int CallExp::checkSideEffect(int flag) | |
| 6755 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6756 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6757 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6758 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6759 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6760 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6761 return 1; |
|
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 /* 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
|
6764 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6765 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
|
6766 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6767 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6768 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6769 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6770 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6771 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6772 /* 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
|
6773 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6774 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6775 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6776 if (t->ty == Tfunction && ((TypeFunction *)t)->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 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
|
6779 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6780 #endif |
| 159 | 6781 return 1; |
| 6782 } | |
| 6783 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6784 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6785 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6786 { |
| 1587 | 6787 //printf("CallExp::canThrow() %s\n", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6788 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6789 return 1; |
|
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 /* 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
|
6792 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6793 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
|
6794 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6795 |
| 1587 | 6796 if (e && e->canThrow()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6797 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6798 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6799 |
| 1587 | 6800 if (global.errors && !e1->type) |
| 6801 return 0; // error recovery | |
| 6802 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6803 /* 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
|
6804 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6805 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6806 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6807 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6808 if (t->ty == Tfunction && ((TypeFunction *)t)->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 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
|
6811 return 0; |
|
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 return 1; |
|
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 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6816 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6817 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6818 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6819 { |
| 1587 | 6820 // if (type->toBasetype()->ty == Tstruct) |
| 6821 // return 1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6822 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6823 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6824 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6825 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6826 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6827 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6828 |
| 159 | 6829 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6830 { | |
| 1587 | 6831 #if 1 |
| 159 | 6832 if (type->toBasetype()->ty == Tstruct) |
| 6833 return this; | |
| 6834 else | |
| 1587 | 6835 #endif |
| 159 | 6836 return Expression::toLvalue(sc, e); |
| 6837 } | |
| 6838 | |
| 1587 | 6839 Expression *CallExp::modifiableLvalue(Scope *sc, Expression *e) |
| 6840 { | |
| 6841 #if 1 | |
| 6842 return Expression::modifiableLvalue(sc, e); | |
| 6843 #else | |
| 6844 /* Although function return values being usable as "ref" parameters is | |
| 6845 * unsound, disabling it breaks existing code. | |
| 6846 * Bugzilla 3167 | |
| 6847 */ | |
| 6848 error("cannot assign to function call"); | |
| 6849 return toLvalue(sc, e); | |
| 6850 #endif | |
| 6851 } | |
| 6852 | |
| 159 | 6853 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6854 { int i; | |
| 6855 | |
| 6856 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6857 buf->writeByte('('); | |
| 6858 argsToCBuffer(buf, arguments, hgs); | |
| 6859 buf->writeByte(')'); | |
| 6860 } | |
| 6861 | |
| 6862 | |
| 6863 /************************************************************/ | |
| 6864 | |
| 6865 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6866 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6867 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6868 m = NULL; |
| 159 | 6869 } |
| 6870 | |
| 6871 Expression *AddrExp::semantic(Scope *sc) | |
| 6872 { | |
| 6873 #if LOGSEMANTIC | |
| 6874 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6875 #endif | |
| 6876 if (!type) | |
| 6877 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6878 m = sc->module; |
| 159 | 6879 UnaExp::semantic(sc); |
| 6880 e1 = e1->toLvalue(sc, NULL); | |
| 6881 if (!e1->type) | |
| 6882 { | |
| 6883 error("cannot take address of %s", e1->toChars()); | |
| 1587 | 6884 return new ErrorExp(); |
| 6885 } | |
| 6886 if (!e1->type->deco) | |
| 6887 { | |
| 6888 /* No deco means semantic() was not run on the type. | |
| 6889 * We have to run semantic() on the symbol to get the right type: | |
| 6890 * auto x = &bar; | |
| 6891 * pure: int bar() { return 1;} | |
| 6892 * otherwise the 'pure' is missing from the type assigned to x. | |
| 6893 */ | |
| 6894 | |
| 6895 error("forward reference to %s", e1->toChars()); | |
| 6896 return new ErrorExp(); | |
| 159 | 6897 } |
| 6898 type = e1->type->pointerTo(); | |
| 6899 | |
| 6900 // See if this should really be a delegate | |
| 6901 if (e1->op == TOKdotvar) | |
| 6902 { | |
| 6903 DotVarExp *dve = (DotVarExp *)e1; | |
| 6904 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6905 | |
| 6906 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
|
6907 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6908 e = e->semantic(sc); |
| 6909 return e; | |
| 6910 } | |
| 6911 } | |
| 6912 else if (e1->op == TOKvar) | |
| 6913 { | |
| 6914 VarExp *dve = (VarExp *)e1; | |
| 6915 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6916 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6917 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6918 // 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
|
6919 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
|
6920 { |
|
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 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
|
6922 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
|
6923 } |
|
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
|
6924 |
| 159 | 6925 if (f && f->isNested()) |
| 6926 { Expression *e; | |
| 6927 | |
| 6928 e = new DelegateExp(loc, e1, f); | |
| 6929 e = e->semantic(sc); | |
| 6930 return e; | |
| 6931 } | |
| 6932 } | |
| 6933 else if (e1->op == TOKarray) | |
| 6934 { | |
| 6935 if (e1->type->toBasetype()->ty == Tbit) | |
| 6936 error("cannot take address of bit in array"); | |
| 6937 } | |
| 6938 return optimize(WANTvalue); | |
| 6939 } | |
| 6940 return this; | |
| 6941 } | |
| 6942 | |
| 6943 /************************************************************/ | |
| 6944 | |
| 6945 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6946 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6947 { | |
| 1587 | 6948 // if (e->type) |
| 6949 // type = ((TypePointer *)e->type)->next; | |
| 159 | 6950 } |
| 6951 | |
| 6952 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6953 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6954 { | |
| 6955 type = t; | |
| 6956 } | |
| 6957 | |
| 6958 Expression *PtrExp::semantic(Scope *sc) | |
| 1587 | 6959 { |
| 159 | 6960 #if LOGSEMANTIC |
| 6961 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6962 #endif | |
| 1587 | 6963 if (!type) |
| 6964 { | |
| 6965 UnaExp::semantic(sc); | |
| 6966 e1 = resolveProperties(sc, e1); | |
| 6967 if (!e1->type) | |
| 6968 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6969 Type *tb = e1->type->toBasetype(); | |
| 6970 switch (tb->ty) | |
| 6971 { | |
| 6972 case Tpointer: | |
| 6973 type = tb->next; | |
| 6974 break; | |
| 6975 | |
| 6976 case Tsarray: | |
| 6977 case Tarray: | |
| 6978 type = tb->next; | |
| 6979 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6980 break; | |
| 6981 | |
| 6982 default: | |
| 6983 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6984 return new ErrorExp(); | |
| 6985 } | |
| 6986 rvalue(); | |
| 6987 } | |
| 159 | 6988 return this; |
| 6989 } | |
| 6990 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6991 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
6992 int PtrExp::isLvalue() |
|
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846
diff
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|
6993 { |
|
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parents:
846
diff
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|
6994 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
6995 } |
|
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parents:
846
diff
changeset
|
6996 #endif |
|
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parents:
846
diff
changeset
|
6997 |
| 159 | 6998 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6999 { | |
| 7000 #if 0 | |
| 7001 tym = tybasic(e1->ET->Tty); | |
| 7002 if (!(tyscalar(tym) || | |
| 7003 tym == TYstruct || | |
| 7004 tym == TYarray && e->Eoper == TOKaddr)) | |
| 7005 synerr(EM_lvalue); // lvalue expected | |
| 7006 #endif | |
| 7007 return this; | |
| 7008 } | |
| 7009 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7010 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
7011 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
|
7012 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7013 //printf("PtrExp::modifiableLvalue() %s, type %s\n", toChars(), type->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7014 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7015 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7016 { SymOffExp *se = (SymOffExp *)e1; |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7017 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7018 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7019 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7020 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7021 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7022 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7023 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7024 |
| 159 | 7025 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 7026 { | |
| 7027 buf->writeByte('*'); | |
| 7028 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7029 } | |
| 7030 | |
| 7031 /************************************************************/ | |
| 7032 | |
| 7033 NegExp::NegExp(Loc loc, Expression *e) | |
| 7034 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 7035 { | |
| 7036 } | |
| 7037 | |
| 7038 Expression *NegExp::semantic(Scope *sc) | |
| 7039 { Expression *e; | |
| 7040 | |
| 7041 #if LOGSEMANTIC | |
| 7042 printf("NegExp::semantic('%s')\n", toChars()); | |
| 7043 #endif | |
| 7044 if (!type) | |
| 7045 { | |
| 7046 UnaExp::semantic(sc); | |
| 7047 e1 = resolveProperties(sc, e1); | |
| 7048 e = op_overload(sc); | |
| 7049 if (e) | |
| 7050 return e; | |
| 7051 | |
| 7052 e1->checkNoBool(); | |
| 1587 | 7053 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
|
7054 e1->checkArithmetic(); |
| 159 | 7055 type = e1->type; |
| 7056 } | |
| 7057 return this; | |
| 7058 } | |
| 7059 | |
| 7060 /************************************************************/ | |
| 7061 | |
| 7062 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 7063 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 7064 { | |
| 7065 } | |
| 7066 | |
| 7067 Expression *UAddExp::semantic(Scope *sc) | |
| 7068 { Expression *e; | |
| 7069 | |
| 7070 #if LOGSEMANTIC | |
| 7071 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 7072 #endif | |
| 7073 assert(!type); | |
| 7074 UnaExp::semantic(sc); | |
| 7075 e1 = resolveProperties(sc, e1); | |
| 7076 e = op_overload(sc); | |
| 7077 if (e) | |
| 7078 return e; | |
| 7079 e1->checkNoBool(); | |
| 7080 e1->checkArithmetic(); | |
| 7081 return e1; | |
| 7082 } | |
| 7083 | |
| 7084 /************************************************************/ | |
| 7085 | |
| 7086 ComExp::ComExp(Loc loc, Expression *e) | |
| 7087 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 7088 { | |
| 7089 } | |
| 7090 | |
| 7091 Expression *ComExp::semantic(Scope *sc) | |
| 7092 { Expression *e; | |
| 7093 | |
| 7094 if (!type) | |
| 7095 { | |
| 7096 UnaExp::semantic(sc); | |
| 7097 e1 = resolveProperties(sc, e1); | |
| 7098 e = op_overload(sc); | |
| 7099 if (e) | |
| 7100 return e; | |
| 7101 | |
| 7102 e1->checkNoBool(); | |
| 1587 | 7103 if (!e1->isArrayOperand()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
7104 e1 = e1->checkIntegral(); |
| 159 | 7105 type = e1->type; |
| 7106 } | |
| 7107 return this; | |
| 7108 } | |
| 7109 | |
| 7110 /************************************************************/ | |
| 7111 | |
| 7112 NotExp::NotExp(Loc loc, Expression *e) | |
| 7113 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 7114 { | |
| 7115 } | |
| 7116 | |
| 7117 Expression *NotExp::semantic(Scope *sc) | |
| 7118 { | |
| 7119 UnaExp::semantic(sc); | |
| 7120 e1 = resolveProperties(sc, e1); | |
| 7121 e1 = e1->checkToBoolean(); | |
| 7122 type = Type::tboolean; | |
| 7123 return this; | |
| 7124 } | |
| 7125 | |
| 7126 int NotExp::isBit() | |
| 7127 { | |
| 7128 return TRUE; | |
| 7129 } | |
| 7130 | |
| 7131 | |
| 7132 | |
| 7133 /************************************************************/ | |
| 7134 | |
| 7135 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 7136 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 7137 { | |
| 7138 type = t; | |
| 7139 } | |
| 7140 | |
| 7141 Expression *BoolExp::semantic(Scope *sc) | |
| 7142 { | |
| 7143 UnaExp::semantic(sc); | |
| 7144 e1 = resolveProperties(sc, e1); | |
| 7145 e1 = e1->checkToBoolean(); | |
| 7146 type = Type::tboolean; | |
| 7147 return this; | |
| 7148 } | |
| 7149 | |
| 7150 int BoolExp::isBit() | |
| 7151 { | |
| 7152 return TRUE; | |
| 7153 } | |
| 7154 | |
| 7155 /************************************************************/ | |
| 7156 | |
| 7157 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 7158 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 7159 { | |
| 7160 } | |
| 7161 | |
| 7162 Expression *DeleteExp::semantic(Scope *sc) | |
| 7163 { | |
| 7164 Type *tb; | |
| 7165 | |
| 7166 UnaExp::semantic(sc); | |
| 7167 e1 = resolveProperties(sc, e1); | |
| 7168 e1 = e1->toLvalue(sc, NULL); | |
| 7169 type = Type::tvoid; | |
| 7170 | |
| 7171 tb = e1->type->toBasetype(); | |
| 7172 switch (tb->ty) | |
| 7173 { case Tclass: | |
| 7174 { TypeClass *tc = (TypeClass *)tb; | |
| 7175 ClassDeclaration *cd = tc->sym; | |
| 7176 | |
| 7177 if (cd->isCOMinterface()) | |
| 7178 { /* Because COM classes are deleted by IUnknown.Release() | |
| 7179 */ | |
| 7180 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 7181 } | |
| 7182 break; | |
| 7183 } | |
| 7184 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
|
7185 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 7186 if (tb->ty == Tstruct) |
| 7187 { | |
| 7188 TypeStruct *ts = (TypeStruct *)tb; | |
| 7189 StructDeclaration *sd = ts->sym; | |
| 7190 FuncDeclaration *f = sd->aggDelete; | |
| 7191 | |
| 7192 if (f) | |
| 7193 { | |
| 7194 Type *tpv = Type::tvoid->pointerTo(); | |
| 7195 | |
| 7196 Expression *e = e1->castTo(sc, tpv); | |
| 7197 Expression *ec = new VarExp(loc, f); | |
| 7198 e = new CallExp(loc, ec, e); | |
| 7199 return e->semantic(sc); | |
| 7200 } | |
| 7201 } | |
| 7202 break; | |
| 7203 | |
| 7204 case Tarray: | |
| 7205 break; | |
| 7206 | |
| 7207 default: | |
| 7208 if (e1->op == TOKindex) | |
| 7209 { | |
| 7210 IndexExp *ae = (IndexExp *)(e1); | |
| 7211 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7212 if (tb1->ty == Taarray) | |
| 7213 break; | |
| 7214 } | |
| 7215 error("cannot delete type %s", e1->type->toChars()); | |
| 7216 break; | |
| 7217 } | |
| 7218 | |
| 7219 if (e1->op == TOKindex) | |
| 7220 { | |
| 7221 IndexExp *ae = (IndexExp *)(e1); | |
| 7222 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7223 if (tb1->ty == Taarray) | |
| 7224 { if (!global.params.useDeprecated) | |
| 7225 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 7226 } | |
| 7227 } | |
| 7228 | |
| 7229 return this; | |
| 7230 } | |
| 7231 | |
| 7232 int DeleteExp::checkSideEffect(int flag) | |
| 7233 { | |
| 7234 return 1; | |
| 7235 } | |
| 7236 | |
| 7237 Expression *DeleteExp::checkToBoolean() | |
| 7238 { | |
| 7239 error("delete does not give a boolean result"); | |
| 7240 return this; | |
| 7241 } | |
| 7242 | |
| 7243 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7244 { | |
| 7245 buf->writestring("delete "); | |
| 7246 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7247 } | |
| 7248 | |
| 7249 /************************************************************/ | |
| 7250 | |
| 7251 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 7252 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 7253 { | |
| 7254 to = t; | |
| 7255 } | |
| 7256 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7257 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7258 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7259 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7260 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
|
7261 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7262 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7263 to = NULL; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7264 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7265 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7266 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7267 |
| 159 | 7268 Expression *CastExp::syntaxCopy() |
| 7269 { | |
| 7270 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 7271 } | |
| 7272 | |
| 7273 | |
| 7274 Expression *CastExp::semantic(Scope *sc) | |
| 7275 { Expression *e; | |
| 7276 BinExp *b; | |
| 7277 UnaExp *u; | |
| 7278 | |
| 7279 #if LOGSEMANTIC | |
| 7280 printf("CastExp::semantic('%s')\n", toChars()); | |
| 7281 #endif | |
| 7282 | |
| 7283 //static int x; assert(++x < 10); | |
| 7284 | |
| 7285 if (type) | |
| 7286 return this; | |
| 7287 UnaExp::semantic(sc); | |
| 7288 if (e1->type) // if not a tuple | |
| 7289 { | |
| 7290 e1 = resolveProperties(sc, e1); | |
| 7291 to = to->semantic(loc, sc); | |
| 7292 | |
| 7293 e = op_overload(sc); | |
| 7294 if (e) | |
| 7295 { | |
| 7296 return e->implicitCastTo(sc, to); | |
| 7297 } | |
| 7298 | |
| 1587 | 7299 if (e1->op == TOKtemplate) |
| 7300 { | |
| 7301 error("cannot cast template %s to type %s", e1->toChars(), to->toChars()); | |
| 7302 return new ErrorExp(); | |
| 7303 } | |
| 7304 | |
| 7305 Type *t1b = e1->type->toBasetype(); | |
| 159 | 7306 Type *tob = to->toBasetype(); |
| 7307 if (tob->ty == Tstruct && | |
| 1587 | 7308 !tob->equals(t1b) && |
| 159 | 7309 ((TypeStruct *)to)->sym->search(0, Id::call, 0) |
| 7310 ) | |
| 7311 { | |
| 7312 /* Look to replace: | |
| 7313 * cast(S)t | |
| 7314 * with: | |
| 7315 * S(t) | |
| 7316 */ | |
| 7317 | |
| 7318 // Rewrite as to.call(e1) | |
| 7319 e = new TypeExp(loc, to); | |
| 7320 e = new DotIdExp(loc, e, Id::call); | |
| 7321 e = new CallExp(loc, e, e1); | |
| 7322 e = e->semantic(sc); | |
| 7323 return e; | |
| 7324 } | |
| 1587 | 7325 |
| 7326 // Struct casts are possible only when the sizes match | |
| 7327 if (tob->ty == Tstruct || t1b->ty == Tstruct) | |
| 7328 { | |
| 7329 size_t fromsize = t1b->size(loc); | |
| 7330 size_t tosize = tob->size(loc); | |
| 7331 if (fromsize != tosize) | |
| 7332 { | |
| 7333 error("cannot cast from %s to %s", e1->type->toChars(), to->toChars()); | |
| 7334 return new ErrorExp(); | |
| 7335 } | |
| 7336 } | |
| 159 | 7337 } |
| 7338 e = e1->castTo(sc, to); | |
| 7339 return e; | |
| 7340 } | |
| 7341 | |
| 7342 int CastExp::checkSideEffect(int flag) | |
| 7343 { | |
| 7344 /* if not: | |
| 7345 * cast(void) | |
| 7346 * cast(classtype)func() | |
| 7347 */ | |
| 7348 if (!to->equals(Type::tvoid) && | |
| 7349 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7350 return Expression::checkSideEffect(flag); | |
| 7351 return 1; | |
| 7352 } | |
| 7353 | |
| 7354 void CastExp::checkEscape() | |
| 7355 { Type *tb = type->toBasetype(); | |
| 7356 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7357 e1->type->toBasetype()->ty == Tsarray) | |
| 7358 { VarExp *ve = (VarExp *)e1; | |
| 7359 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7360 if (v) | |
| 7361 { | |
| 7362 if (!v->isDataseg() && !v->isParameter()) | |
| 7363 error("escaping reference to local %s", v->toChars()); | |
| 7364 } | |
| 7365 } | |
| 7366 } | |
| 7367 | |
| 7368 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7369 { | |
| 7370 buf->writestring("cast("); | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
7371 #if DMDV1 |
| 159 | 7372 to->toCBuffer(buf, NULL, hgs); |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
7373 #else |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
7374 if (to) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7375 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
7376 else |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
7377 { |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7378 switch (mod) |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7379 { case 0: |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7380 break; |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7381 case MODconst: |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7382 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
7383 break; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7384 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7385 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7386 break; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7387 case MODshared: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
7388 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7389 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7390 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7391 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7392 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7393 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7394 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7395 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7396 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7397 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7398 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7399 #endif |
| 159 | 7400 buf->writeByte(')'); |
| 7401 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7402 } | |
| 7403 | |
| 7404 | |
| 7405 /************************************************************/ | |
| 7406 | |
| 7407 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7408 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7409 { | |
| 7410 this->upr = upr; | |
| 7411 this->lwr = lwr; | |
| 7412 lengthVar = NULL; | |
| 7413 } | |
| 7414 | |
| 7415 Expression *SliceExp::syntaxCopy() | |
| 7416 { | |
| 7417 Expression *lwr = NULL; | |
| 7418 if (this->lwr) | |
| 7419 lwr = this->lwr->syntaxCopy(); | |
| 7420 | |
| 7421 Expression *upr = NULL; | |
| 7422 if (this->upr) | |
| 7423 upr = this->upr->syntaxCopy(); | |
| 7424 | |
| 7425 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7426 } | |
| 7427 | |
| 7428 Expression *SliceExp::semantic(Scope *sc) | |
| 7429 { Expression *e; | |
| 7430 AggregateDeclaration *ad; | |
| 7431 //FuncDeclaration *fd; | |
| 7432 ScopeDsymbol *sym; | |
| 7433 | |
| 7434 #if LOGSEMANTIC | |
| 7435 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7436 #endif | |
| 7437 if (type) | |
| 7438 return this; | |
| 7439 | |
| 7440 UnaExp::semantic(sc); | |
| 7441 e1 = resolveProperties(sc, e1); | |
| 7442 | |
| 7443 e = this; | |
| 7444 | |
| 7445 Type *t = e1->type->toBasetype(); | |
| 7446 if (t->ty == Tpointer) | |
| 7447 { | |
| 7448 if (!lwr || !upr) | |
| 7449 error("need upper and lower bound to slice pointer"); | |
| 7450 } | |
| 7451 else if (t->ty == Tarray) | |
| 7452 { | |
| 7453 } | |
| 7454 else if (t->ty == Tsarray) | |
| 7455 { | |
| 7456 } | |
| 7457 else if (t->ty == Tclass) | |
| 7458 { | |
| 7459 ad = ((TypeClass *)t)->sym; | |
| 7460 goto L1; | |
| 7461 } | |
| 7462 else if (t->ty == Tstruct) | |
| 7463 { | |
| 7464 ad = ((TypeStruct *)t)->sym; | |
| 7465 | |
| 7466 L1: | |
| 7467 if (search_function(ad, Id::slice)) | |
| 7468 { | |
| 7469 // Rewrite as e1.slice(lwr, upr) | |
| 7470 e = new DotIdExp(loc, e1, Id::slice); | |
| 7471 | |
| 7472 if (lwr) | |
| 7473 { | |
| 7474 assert(upr); | |
| 7475 e = new CallExp(loc, e, lwr, upr); | |
| 7476 } | |
| 7477 else | |
| 7478 { assert(!upr); | |
| 7479 e = new CallExp(loc, e); | |
| 7480 } | |
| 7481 e = e->semantic(sc); | |
| 7482 return e; | |
| 7483 } | |
| 7484 goto Lerror; | |
| 7485 } | |
| 7486 else if (t->ty == Ttuple) | |
| 7487 { | |
| 7488 if (!lwr && !upr) | |
| 7489 return e1; | |
| 7490 if (!lwr || !upr) | |
| 7491 { error("need upper and lower bound to slice tuple"); | |
| 7492 goto Lerror; | |
| 7493 } | |
| 7494 } | |
| 7495 else | |
| 7496 goto Lerror; | |
| 7497 | |
| 7498 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7499 { | |
| 7500 sym = new ArrayScopeSymbol(this); | |
| 7501 sym->loc = loc; | |
| 7502 sym->parent = sc->scopesym; | |
| 7503 sc = sc->push(sym); | |
| 7504 } | |
| 7505 | |
| 7506 if (lwr) | |
| 7507 { lwr = lwr->semantic(sc); | |
| 7508 lwr = resolveProperties(sc, lwr); | |
| 7509 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7510 } | |
| 7511 if (upr) | |
| 7512 { upr = upr->semantic(sc); | |
| 7513 upr = resolveProperties(sc, upr); | |
| 7514 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7515 } | |
| 7516 | |
| 7517 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7518 sc->pop(); | |
| 7519 | |
| 7520 if (t->ty == Ttuple) | |
| 7521 { | |
| 7522 lwr = lwr->optimize(WANTvalue); | |
| 7523 upr = upr->optimize(WANTvalue); | |
| 7524 uinteger_t i1 = lwr->toUInteger(); | |
| 7525 uinteger_t i2 = upr->toUInteger(); | |
| 7526 | |
| 7527 size_t length; | |
| 7528 TupleExp *te; | |
| 7529 TypeTuple *tup; | |
| 7530 | |
| 7531 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7532 { te = (TupleExp *)e1; | |
| 7533 length = te->exps->dim; | |
| 7534 } | |
| 7535 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7536 { tup = (TypeTuple *)t; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7537 length = Parameter::dim(tup->arguments); |
| 159 | 7538 } |
| 7539 else | |
| 7540 assert(0); | |
| 7541 | |
| 7542 if (i1 <= i2 && i2 <= length) | |
| 7543 { size_t j1 = (size_t) i1; | |
| 7544 size_t j2 = (size_t) i2; | |
| 7545 | |
| 7546 if (e1->op == TOKtuple) | |
| 7547 { Expressions *exps = new Expressions; | |
| 7548 exps->setDim(j2 - j1); | |
| 7549 for (size_t i = 0; i < j2 - j1; i++) | |
| 7550 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7551 exps->data[i] = (void *)e; | |
| 7552 } | |
| 7553 e = new TupleExp(loc, exps); | |
| 7554 } | |
| 7555 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7556 { Parameters *args = new Parameters; |
| 159 | 7557 args->reserve(j2 - j1); |
| 7558 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
|
7559 { Parameter *arg = Parameter::getNth(tup->arguments, i); |
| 159 | 7560 args->push(arg); |
| 7561 } | |
| 7562 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7563 } | |
| 7564 e = e->semantic(sc); | |
| 7565 } | |
| 7566 else | |
| 7567 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7568 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
|
7569 e = new IntegerExp(0); |
| 159 | 7570 } |
| 7571 return e; | |
| 7572 } | |
| 7573 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7574 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7575 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7576 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7577 type = t->nextOf()->arrayOf(); |
| 159 | 7578 return e; |
| 7579 | |
| 7580 Lerror: | |
| 7581 char *s; | |
| 7582 if (t->ty == Tvoid) | |
| 7583 s = e1->toChars(); | |
| 7584 else | |
| 7585 s = t->toChars(); | |
| 7586 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
|
7587 e = new IntegerExp(0); |
| 159 | 7588 return e; |
| 7589 } | |
| 7590 | |
| 7591 void SliceExp::checkEscape() | |
| 7592 { | |
| 7593 e1->checkEscape(); | |
| 7594 } | |
| 7595 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7596 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7597 int SliceExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7600 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7601 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7602 |
| 159 | 7603 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7604 { | |
| 7605 return this; | |
| 7606 } | |
| 7607 | |
| 7608 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7609 { | |
| 7610 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7611 return this; | |
| 7612 } | |
| 7613 | |
| 7614 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7615 { | |
| 7616 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7617 buf->writeByte('['); | |
| 7618 if (upr || lwr) | |
| 7619 { | |
| 7620 if (lwr) | |
| 7621 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7622 else | |
| 7623 buf->writeByte('0'); | |
| 7624 buf->writestring(".."); | |
| 7625 if (upr) | |
| 7626 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7627 else | |
| 7628 buf->writestring("length"); // BUG: should be array.length | |
| 7629 } | |
| 7630 buf->writeByte(']'); | |
| 7631 } | |
| 7632 | |
| 7633 /********************** ArrayLength **************************************/ | |
| 7634 | |
| 7635 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7636 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7637 { | |
| 7638 } | |
| 7639 | |
| 7640 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7641 { Expression *e; | |
| 7642 | |
| 7643 #if LOGSEMANTIC | |
| 7644 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7645 #endif | |
| 7646 if (!type) | |
| 7647 { | |
| 7648 UnaExp::semantic(sc); | |
| 7649 e1 = resolveProperties(sc, e1); | |
| 7650 | |
| 7651 type = Type::tsize_t; | |
| 7652 } | |
| 7653 return this; | |
| 7654 } | |
| 7655 | |
| 7656 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7657 { | |
| 7658 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7659 buf->writestring(".length"); | |
| 7660 } | |
| 7661 | |
| 7662 /*********************** ArrayExp *************************************/ | |
| 7663 | |
| 7664 // e1 [ i1, i2, i3, ... ] | |
| 7665 | |
| 7666 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7667 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7668 { | |
| 7669 arguments = args; | |
| 7670 } | |
| 7671 | |
| 7672 Expression *ArrayExp::syntaxCopy() | |
| 7673 { | |
| 7674 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7675 } | |
| 7676 | |
| 7677 Expression *ArrayExp::semantic(Scope *sc) | |
| 7678 { Expression *e; | |
| 7679 Type *t1; | |
| 7680 | |
| 7681 #if LOGSEMANTIC | |
| 7682 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7683 #endif | |
| 7684 UnaExp::semantic(sc); | |
| 7685 e1 = resolveProperties(sc, e1); | |
| 7686 | |
| 7687 t1 = e1->type->toBasetype(); | |
| 7688 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7689 { // Convert to IndexExp | |
| 7690 if (arguments->dim != 1) | |
| 7691 error("only one index allowed to index %s", t1->toChars()); | |
| 7692 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7693 return e->semantic(sc); | |
| 7694 } | |
| 7695 | |
| 7696 // Run semantic() on each argument | |
| 7697 for (size_t i = 0; i < arguments->dim; i++) | |
| 7698 { e = (Expression *)arguments->data[i]; | |
| 7699 | |
| 7700 e = e->semantic(sc); | |
| 7701 if (!e->type) | |
| 7702 error("%s has no value", e->toChars()); | |
| 7703 arguments->data[i] = (void *)e; | |
| 7704 } | |
| 7705 | |
| 7706 expandTuples(arguments); | |
| 7707 assert(arguments && arguments->dim); | |
| 7708 | |
| 7709 e = op_overload(sc); | |
| 7710 if (!e) | |
| 7711 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7712 e = e1; | |
| 7713 } | |
| 7714 return e; | |
| 7715 } | |
| 7716 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7717 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7718 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7719 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7720 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7721 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7722 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7723 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7724 #endif |
| 159 | 7725 |
| 7726 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7727 { | |
| 7728 if (type && type->toBasetype()->ty == Tvoid) | |
| 7729 error("voids have no value"); | |
| 7730 return this; | |
| 7731 } | |
| 7732 | |
| 7733 | |
| 7734 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7735 { int i; | |
| 7736 | |
| 7737 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7738 buf->writeByte('['); | |
| 7739 argsToCBuffer(buf, arguments, hgs); | |
| 7740 buf->writeByte(']'); | |
| 7741 } | |
| 7742 | |
| 7743 /************************* DotExp ***********************************/ | |
| 7744 | |
| 7745 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7746 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7747 { | |
| 7748 } | |
| 7749 | |
| 7750 Expression *DotExp::semantic(Scope *sc) | |
| 7751 { | |
| 7752 #if LOGSEMANTIC | |
| 7753 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7754 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7755 #endif | |
| 7756 e1 = e1->semantic(sc); | |
| 7757 e2 = e2->semantic(sc); | |
| 7758 if (e2->op == TOKimport) | |
| 7759 { | |
| 7760 ScopeExp *se = (ScopeExp *)e2; | |
| 7761 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7762 if (td) | |
| 7763 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7764 e = e->semantic(sc); | |
| 7765 return e; | |
| 7766 } | |
| 7767 } | |
| 7768 if (!type) | |
| 7769 type = e2->type; | |
| 7770 return this; | |
| 7771 } | |
| 7772 | |
| 7773 | |
| 7774 /************************* CommaExp ***********************************/ | |
| 7775 | |
| 7776 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7777 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7778 { | |
| 7779 } | |
| 7780 | |
| 7781 Expression *CommaExp::semantic(Scope *sc) | |
| 7782 { | |
| 7783 if (!type) | |
| 7784 { BinExp::semanticp(sc); | |
| 7785 type = e2->type; | |
| 7786 } | |
| 7787 return this; | |
| 7788 } | |
| 7789 | |
| 7790 void CommaExp::checkEscape() | |
| 7791 { | |
| 7792 e2->checkEscape(); | |
| 7793 } | |
| 7794 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7795 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7796 int CommaExp::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 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7799 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7800 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7801 |
| 159 | 7802 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7803 { | |
| 7804 e2 = e2->toLvalue(sc, NULL); | |
| 7805 return this; | |
| 7806 } | |
| 7807 | |
| 7808 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7809 { | |
| 7810 e2 = e2->modifiableLvalue(sc, e); | |
| 7811 return this; | |
| 7812 } | |
| 7813 | |
| 7814 int CommaExp::isBool(int result) | |
| 7815 { | |
| 7816 return e2->isBool(result); | |
| 7817 } | |
| 7818 | |
| 7819 int CommaExp::checkSideEffect(int flag) | |
| 7820 { | |
| 7821 if (flag == 2) | |
| 7822 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7823 else | |
| 7824 { | |
| 7825 // Don't check e1 until we cast(void) the a,b code generation | |
| 7826 return e2->checkSideEffect(flag); | |
| 7827 } | |
| 7828 } | |
| 7829 | |
| 7830 /************************** IndexExp **********************************/ | |
| 7831 | |
| 7832 // e1 [ e2 ] | |
| 7833 | |
| 7834 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7835 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7836 { | |
| 7837 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7838 lengthVar = NULL; | |
| 7839 modifiable = 0; // assume it is an rvalue | |
| 7840 } | |
| 7841 | |
| 7842 Expression *IndexExp::semantic(Scope *sc) | |
| 7843 { Expression *e; | |
| 7844 BinExp *b; | |
| 7845 UnaExp *u; | |
| 7846 Type *t1; | |
| 7847 ScopeDsymbol *sym; | |
| 7848 | |
| 7849 #if LOGSEMANTIC | |
| 7850 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7851 #endif | |
| 7852 if (type) | |
| 7853 return this; | |
| 7854 if (!e1->type) | |
| 7855 e1 = e1->semantic(sc); | |
| 7856 assert(e1->type); // semantic() should already be run on it | |
| 7857 e = this; | |
| 7858 | |
| 7859 // Note that unlike C we do not implement the int[ptr] | |
| 7860 | |
| 7861 t1 = e1->type->toBasetype(); | |
| 7862 | |
| 7863 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7864 { // Create scope for 'length' variable | |
| 7865 sym = new ArrayScopeSymbol(this); | |
| 7866 sym->loc = loc; | |
| 7867 sym->parent = sc->scopesym; | |
| 7868 sc = sc->push(sym); | |
| 7869 } | |
| 7870 | |
| 7871 e2 = e2->semantic(sc); | |
| 7872 if (!e2->type) | |
| 7873 { | |
| 7874 error("%s has no value", e2->toChars()); | |
| 7875 e2->type = Type::terror; | |
| 7876 } | |
| 7877 e2 = resolveProperties(sc, e2); | |
| 7878 | |
| 7879 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7880 sc = sc->pop(); | |
| 7881 | |
| 7882 switch (t1->ty) | |
| 7883 { | |
| 7884 case Tpointer: | |
| 7885 case Tarray: | |
| 7886 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7887 e->type = t1->next; | |
| 7888 break; | |
| 7889 | |
| 7890 case Tsarray: | |
| 7891 { | |
| 7892 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7893 | |
| 7894 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7895 | |
| 7896 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7897 // Do compile time array bounds checking if possible | |
| 7898 e2 = e2->optimize(WANTvalue); | |
| 7899 if (e2->op == TOKint64) | |
| 7900 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7901 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7902 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7903 if (index < 0 || index >= length) |
| 7904 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7905 index, length); | |
| 7906 } | |
| 7907 #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
|
7908 e->type = t1->nextOf(); |
| 159 | 7909 break; |
| 7910 } | |
| 7911 | |
| 7912 case Taarray: | |
| 7913 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7914 | |
| 7915 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7916 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7917 type = taa->next; | |
| 7918 break; | |
| 7919 } | |
| 7920 | |
| 7921 case Ttuple: | |
| 7922 { | |
| 7923 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7924 e2 = e2->optimize(WANTvalue); | |
| 7925 uinteger_t index = e2->toUInteger(); | |
| 7926 size_t length; | |
| 7927 TupleExp *te; | |
| 7928 TypeTuple *tup; | |
| 7929 | |
| 7930 if (e1->op == TOKtuple) | |
| 7931 { te = (TupleExp *)e1; | |
| 7932 length = te->exps->dim; | |
| 7933 } | |
| 7934 else if (e1->op == TOKtype) | |
| 7935 { | |
| 7936 tup = (TypeTuple *)t1; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7937 length = Parameter::dim(tup->arguments); |
| 159 | 7938 } |
| 7939 else | |
| 7940 assert(0); | |
| 7941 | |
| 7942 if (index < length) | |
| 7943 { | |
| 7944 | |
| 7945 if (e1->op == TOKtuple) | |
| 7946 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7947 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7948 e = new TypeExp(e1->loc, Parameter::getNth(tup->arguments, (size_t)index)->type); |
| 159 | 7949 } |
| 7950 else | |
| 7951 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7952 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
|
7953 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7954 e = e1; |
| 159 | 7955 } |
| 7956 break; | |
| 7957 } | |
| 7958 | |
| 7959 default: | |
| 7960 error("%s must be an array or pointer type, not %s", | |
| 7961 e1->toChars(), e1->type->toChars()); | |
| 7962 type = Type::tint32; | |
| 7963 break; | |
| 7964 } | |
| 7965 return e; | |
| 7966 } | |
| 7967 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7968 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7969 int IndexExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7972 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7973 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7974 |
| 159 | 7975 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7976 { | |
| 7977 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7978 // error("voids have no value"); | |
| 7979 return this; | |
| 7980 } | |
| 7981 | |
| 7982 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7983 { | |
| 7984 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7985 modifiable = 1; | |
| 7986 if (e1->op == TOKstring) | |
| 7987 error("string literals are immutable"); | |
| 7988 if (e1->type->toBasetype()->ty == Taarray) | |
| 7989 e1 = e1->modifiableLvalue(sc, e1); | |
| 7990 return toLvalue(sc, e); | |
| 7991 } | |
| 7992 | |
| 7993 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7994 { | |
| 7995 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7996 buf->writeByte('['); | |
| 7997 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7998 buf->writeByte(']'); | |
| 7999 } | |
| 8000 | |
| 8001 | |
| 8002 /************************* PostExp ***********************************/ | |
| 8003 | |
| 8004 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 8005 : BinExp(loc, op, sizeof(PostExp), e, | |
| 8006 new IntegerExp(loc, 1, Type::tint32)) | |
| 8007 { | |
| 8008 } | |
| 8009 | |
| 8010 Expression *PostExp::semantic(Scope *sc) | |
| 8011 { Expression *e = this; | |
| 8012 | |
| 8013 if (!type) | |
| 8014 { | |
| 8015 BinExp::semantic(sc); | |
| 8016 e2 = resolveProperties(sc, e2); | |
| 8017 | |
| 8018 e = op_overload(sc); | |
| 8019 if (e) | |
| 8020 return e; | |
| 8021 | |
| 8022 e = this; | |
| 8023 e1 = e1->modifiableLvalue(sc, e1); | |
| 8024 e1->checkScalar(); | |
| 8025 e1->checkNoBool(); | |
| 8026 if (e1->type->ty == Tpointer) | |
| 8027 e = scaleFactor(sc); | |
| 8028 else | |
| 8029 e2 = e2->castTo(sc, e1->type); | |
| 8030 e->type = e1->type; | |
| 8031 } | |
| 8032 return e; | |
| 8033 } | |
| 8034 | |
| 8035 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8036 { | |
| 8037 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 8038 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 8039 } | |
| 8040 | |
| 8041 /************************************************************/ | |
| 8042 | |
| 1587 | 8043 /* op can be TOKassign, TOKconstruct, or TOKblit */ |
| 159 | 8044 |
| 8045 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8046 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 8047 { | |
| 8048 ismemset = 0; | |
| 8049 } | |
| 8050 | |
| 8051 Expression *AssignExp::semantic(Scope *sc) | |
| 1587 | 8052 { |
| 159 | 8053 Expression *e1old = e1; |
| 8054 | |
| 8055 #if LOGSEMANTIC | |
| 8056 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 8057 #endif | |
| 8058 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 1587 | 8059 //printf("e2->op = %d, '%s'\n", e2->op, Token::toChars(e2->op)); |
| 8060 | |
| 8061 if (type) | |
| 8062 return this; | |
| 8063 | |
| 8064 if (e2->op == TOKcomma) | |
| 8065 { /* Rewrite to get rid of the comma from rvalue | |
| 8066 */ | |
| 8067 AssignExp *ea = new AssignExp(loc, e1, ((CommaExp *)e2)->e2); | |
| 8068 ea->op = op; | |
| 8069 Expression *e = new CommaExp(loc, ((CommaExp *)e2)->e1, ea); | |
| 8070 return e->semantic(sc); | |
| 8071 } | |
| 159 | 8072 |
| 8073 /* Look for operator overloading of a[i]=value. | |
| 8074 * Do it before semantic() otherwise the a[i] will have been | |
| 8075 * converted to a.opIndex() already. | |
| 8076 */ | |
| 8077 if (e1->op == TOKarray) | |
| 1587 | 8078 { |
| 159 | 8079 ArrayExp *ae = (ArrayExp *)e1; |
| 8080 AggregateDeclaration *ad; | |
| 8081 Identifier *id = Id::index; | |
| 8082 | |
| 8083 ae->e1 = ae->e1->semantic(sc); | |
| 1587 | 8084 Type *t1 = ae->e1->type->toBasetype(); |
| 159 | 8085 if (t1->ty == Tstruct) |
| 8086 { | |
| 8087 ad = ((TypeStruct *)t1)->sym; | |
| 8088 goto L1; | |
| 8089 } | |
| 8090 else if (t1->ty == Tclass) | |
| 8091 { | |
| 8092 ad = ((TypeClass *)t1)->sym; | |
| 8093 L1: | |
| 8094 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 8095 if (search_function(ad, Id::indexass)) | |
| 8096 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 8097 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 8098 | |
| 8099 a->insert(0, e2); | |
| 8100 e = new CallExp(loc, e, a); | |
| 8101 e = e->semantic(sc); | |
| 8102 return e; | |
| 8103 } | |
| 8104 else | |
| 8105 { | |
| 8106 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 8107 if (search_function(ad, id)) | |
| 8108 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 8109 | |
| 8110 if (1 || !global.params.useDeprecated) | |
| 8111 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 8112 | |
| 8113 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 8114 e = e->semantic(sc); | |
| 8115 return e; | |
| 8116 } | |
| 8117 } | |
| 8118 } | |
| 8119 } | |
| 8120 /* Look for operator overloading of a[i..j]=value. | |
| 8121 * Do it before semantic() otherwise the a[i..j] will have been | |
| 8122 * converted to a.opSlice() already. | |
| 8123 */ | |
| 8124 if (e1->op == TOKslice) | |
| 8125 { Type *t1; | |
| 8126 SliceExp *ae = (SliceExp *)e1; | |
| 8127 AggregateDeclaration *ad; | |
| 8128 Identifier *id = Id::index; | |
| 8129 | |
| 8130 ae->e1 = ae->e1->semantic(sc); | |
| 8131 ae->e1 = resolveProperties(sc, ae->e1); | |
| 8132 t1 = ae->e1->type->toBasetype(); | |
| 8133 if (t1->ty == Tstruct) | |
| 8134 { | |
| 8135 ad = ((TypeStruct *)t1)->sym; | |
| 8136 goto L2; | |
| 8137 } | |
| 8138 else if (t1->ty == Tclass) | |
| 8139 { | |
| 8140 ad = ((TypeClass *)t1)->sym; | |
| 8141 L2: | |
| 8142 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 8143 if (search_function(ad, Id::sliceass)) | |
| 8144 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 8145 Expressions *a = new Expressions(); | |
| 8146 | |
| 8147 a->push(e2); | |
| 8148 if (ae->lwr) | |
| 8149 { a->push(ae->lwr); | |
| 8150 assert(ae->upr); | |
| 8151 a->push(ae->upr); | |
| 8152 } | |
| 8153 else | |
| 8154 assert(!ae->upr); | |
| 8155 e = new CallExp(loc, e, a); | |
| 8156 e = e->semantic(sc); | |
| 8157 return e; | |
| 8158 } | |
| 8159 } | |
| 8160 } | |
| 8161 | |
| 8162 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8163 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8164 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8165 { // 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
|
8166 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8167 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8168 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8169 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8170 |
| 159 | 8171 e2 = resolveProperties(sc, e2); |
| 8172 assert(e1->type); | |
| 8173 | |
| 8174 /* Rewrite tuple assignment as a tuple of assignments. | |
| 8175 */ | |
| 8176 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 8177 { TupleExp *tup1 = (TupleExp *)e1; | |
| 8178 TupleExp *tup2 = (TupleExp *)e2; | |
| 8179 size_t dim = tup1->exps->dim; | |
| 8180 if (dim != tup2->exps->dim) | |
| 8181 { | |
| 8182 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 8183 } | |
| 8184 else | |
| 8185 { Expressions *exps = new Expressions; | |
| 8186 exps->setDim(dim); | |
| 8187 | |
| 8188 for (int i = 0; i < dim; i++) | |
| 8189 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 8190 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 8191 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 8192 } | |
| 8193 Expression *e = new TupleExp(loc, exps); | |
| 8194 e = e->semantic(sc); | |
| 8195 return e; | |
| 8196 } | |
| 8197 } | |
| 8198 | |
| 1587 | 8199 // Determine if this is an initialization of a reference |
| 8200 int refinit = 0; | |
| 8201 if (op == TOKconstruct && e1->op == TOKvar) | |
| 8202 { VarExp *ve = (VarExp *)e1; | |
| 8203 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 8204 if (v->storage_class & (STCout | STCref)) | |
| 8205 refinit = 1; | |
| 8206 } | |
| 8207 | |
| 8208 Type *t1 = e1->type->toBasetype(); | |
| 159 | 8209 |
| 8210 if (t1->ty == Tfunction) | |
| 8211 { // Rewrite f=value to f(value) | |
| 1587 | 8212 Expression *e = new CallExp(loc, e1, e2); |
| 159 | 8213 e = e->semantic(sc); |
| 8214 return e; | |
| 8215 } | |
| 8216 | |
| 8217 /* If it is an assignment from a 'foreign' type, | |
| 8218 * check for operator overloading. | |
| 8219 */ | |
| 8220 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 8221 { | |
| 8222 if (!e2->type->implicitConvTo(e1->type)) | |
| 8223 { | |
| 8224 Expression *e = op_overload(sc); | |
| 8225 if (e) | |
| 8226 return e; | |
| 8227 } | |
| 8228 } | |
| 8229 | |
| 8230 e2->rvalue(); | |
| 8231 | |
| 8232 if (e1->op == TOKarraylength) | |
| 8233 { | |
| 8234 // e1 is not an lvalue, but we let code generator handle it | |
| 8235 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 8236 | |
| 8237 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 8238 } | |
| 8239 else if (e1->op == TOKslice) | |
| 8240 ; | |
| 8241 else | |
| 8242 { // Try to do a decent error message with the expression | |
| 8243 // before it got constant folded | |
| 1587 | 8244 if (op != TOKconstruct) |
| 8245 e1 = e1->modifiableLvalue(sc, e1old); | |
| 159 | 8246 } |
| 8247 | |
| 8248 if (e1->op == TOKslice && | |
| 8249 t1->nextOf() && | |
| 8250 e2->implicitConvTo(t1->nextOf()) | |
| 8251 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 8252 ) | |
| 8253 { // memset | |
| 8254 ismemset = 1; // make it easy for back end to tell what this is | |
| 8255 e2 = e2->implicitCastTo(sc, t1->next); | |
| 8256 } | |
| 1587 | 8257 else if (t1->ty == Tsarray && !refinit) |
| 159 | 8258 { |
| 8259 error("cannot assign to static array %s", e1->toChars()); | |
| 8260 } | |
| 8261 else | |
| 8262 { | |
| 8263 e2 = e2->implicitCastTo(sc, e1->type); | |
| 8264 } | |
|
510
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 /* 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
|
8267 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8268 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
|
8269 (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
|
8270 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
|
8271 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
|
8272 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
|
8273 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
|
8274 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8275 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
|
8276 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
|
8277 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8278 |
| 159 | 8279 type = e1->type; |
| 8280 assert(type); | |
| 8281 return this; | |
| 8282 } | |
| 8283 | |
| 8284 Expression *AssignExp::checkToBoolean() | |
| 8285 { | |
| 8286 // Things like: | |
| 8287 // if (a = b) ... | |
| 8288 // are usually mistakes. | |
| 8289 | |
| 8290 error("'=' does not give a boolean result"); | |
| 8291 return this; | |
| 8292 } | |
| 8293 | |
| 8294 /************************************************************/ | |
| 8295 | |
| 8296 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8297 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 8298 { | |
| 8299 } | |
| 8300 | |
| 8301 Expression *AddAssignExp::semantic(Scope *sc) | |
| 8302 { Expression *e; | |
| 8303 | |
| 8304 if (type) | |
| 8305 return this; | |
| 8306 | |
| 8307 BinExp::semantic(sc); | |
| 8308 e2 = resolveProperties(sc, e2); | |
| 8309 | |
| 8310 e = op_overload(sc); | |
| 8311 if (e) | |
| 8312 return e; | |
| 8313 | |
| 8314 Type *tb1 = e1->type->toBasetype(); | |
| 8315 Type *tb2 = e2->type->toBasetype(); | |
| 8316 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8317 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
|
8318 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8319 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
|
8320 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
|
8321 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
|
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 else |
|
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 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
|
8326 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8327 |
| 159 | 8328 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8329 (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
|
8330 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8331 ) |
| 8332 { | |
| 8333 type = e1->type; | |
| 8334 e = this; | |
| 8335 } | |
| 8336 else | |
| 8337 { | |
| 8338 e1->checkScalar(); | |
| 8339 e1->checkNoBool(); | |
| 8340 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8341 e = scaleFactor(sc); | |
| 8342 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8343 { | |
| 8344 #if 0 | |
| 8345 // Need to rethink this | |
| 8346 if (e1->op != TOKvar) | |
| 8347 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8348 VarDeclaration *v; | |
| 8349 Expression *ea; | |
| 8350 Expression *ex; | |
| 8351 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8352 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8353 |
| 8354 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8355 v->semantic(sc); | |
| 8356 if (!sc->insert(v)) | |
| 8357 assert(0); | |
| 8358 v->parent = sc->func; | |
| 8359 | |
| 8360 ea = new AddrExp(loc, e1); | |
| 8361 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8362 | |
| 8363 ex = new VarExp(loc, v); | |
| 8364 ex = new PtrExp(loc, ex); | |
| 8365 e = new AddExp(loc, ex, e2); | |
| 8366 e = new CastExp(loc, e, e1->type); | |
| 8367 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8368 | |
| 8369 e = new CommaExp(loc, ea, e); | |
| 8370 } | |
| 8371 else | |
| 8372 #endif | |
| 8373 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8374 // BUG: doesn't account for side effects in e1 | |
| 8375 // BUG: other assignment operators for bits aren't handled at all | |
| 8376 e = new AddExp(loc, e1, e2); | |
| 8377 e = new CastExp(loc, e, e1->type); | |
| 8378 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8379 } | |
| 8380 e = e->semantic(sc); | |
| 8381 } | |
| 8382 else | |
| 8383 { | |
| 8384 type = e1->type; | |
| 8385 typeCombine(sc); | |
| 8386 e1->checkArithmetic(); | |
| 8387 e2->checkArithmetic(); | |
| 1587 | 8388 checkComplexAddAssign(); |
| 159 | 8389 if (type->isreal() || type->isimaginary()) |
| 8390 { | |
| 8391 assert(global.errors || e2->type->isfloating()); | |
| 8392 e2 = e2->castTo(sc, e1->type); | |
| 8393 } | |
| 8394 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8395 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8396 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
|
8397 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8398 } |
| 8399 } | |
| 8400 return e; | |
| 8401 } | |
| 8402 | |
| 8403 /************************************************************/ | |
| 8404 | |
| 8405 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8406 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8407 { | |
| 8408 } | |
| 8409 | |
| 8410 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8411 { Expression *e; | |
| 8412 | |
| 8413 if (type) | |
| 8414 return this; | |
| 8415 | |
| 8416 BinExp::semantic(sc); | |
| 8417 e2 = resolveProperties(sc, e2); | |
| 8418 | |
| 8419 e = op_overload(sc); | |
| 8420 if (e) | |
| 8421 return e; | |
| 8422 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8423 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
|
8424 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8425 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
|
8426 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
|
8427 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
|
8428 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8429 |
| 159 | 8430 e1 = e1->modifiableLvalue(sc, e1); |
| 8431 e1->checkScalar(); | |
| 8432 e1->checkNoBool(); | |
| 8433 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8434 e = scaleFactor(sc); | |
| 8435 else | |
| 8436 { | |
| 8437 e1 = e1->checkArithmetic(); | |
| 8438 e2 = e2->checkArithmetic(); | |
| 1587 | 8439 checkComplexAddAssign(); |
| 159 | 8440 type = e1->type; |
| 8441 typeCombine(sc); | |
| 8442 if (type->isreal() || type->isimaginary()) | |
| 8443 { | |
| 8444 assert(e2->type->isfloating()); | |
| 8445 e2 = e2->castTo(sc, e1->type); | |
| 8446 } | |
| 8447 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8448 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8449 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
|
8450 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8451 } |
| 8452 return e; | |
| 8453 } | |
| 8454 | |
| 8455 /************************************************************/ | |
| 8456 | |
| 8457 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8458 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8459 { | |
| 8460 } | |
| 8461 | |
| 8462 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8463 { Expression *e; | |
| 8464 | |
| 8465 BinExp::semantic(sc); | |
| 8466 e2 = resolveProperties(sc, e2); | |
| 8467 | |
| 8468 e = op_overload(sc); | |
| 8469 if (e) | |
| 8470 return e; | |
| 8471 | |
| 8472 if (e1->op == TOKslice) | |
| 8473 { SliceExp *se = (SliceExp *)e1; | |
| 8474 | |
| 8475 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8476 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8477 } | |
| 8478 | |
| 8479 e1 = e1->modifiableLvalue(sc, e1); | |
| 8480 | |
| 8481 Type *tb1 = e1->type->toBasetype(); | |
| 8482 Type *tb2 = e2->type->toBasetype(); | |
| 8483 | |
| 8484 e2->rvalue(); | |
| 8485 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8486 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
|
8487 |
| 159 | 8488 if ((tb1->ty == Tarray) && |
| 8489 (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
|
8490 (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
|
8491 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8492 || 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
|
8493 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8494 ) |
| 159 | 8495 ) |
| 8496 { // Append array | |
| 8497 e2 = e2->castTo(sc, e1->type); | |
| 8498 type = e1->type; | |
| 8499 e = this; | |
| 8500 } | |
| 8501 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
|
8502 e2->implicitConvTo(tb1next) |
| 159 | 8503 ) |
| 8504 { // 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
|
8505 e2 = e2->castTo(sc, tb1next); |
| 159 | 8506 type = e1->type; |
| 8507 e = this; | |
| 8508 } | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8509 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
|
8510 (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
|
8511 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
|
8512 ) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8513 { // 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
|
8514 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
|
8515 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
|
8516 e = this; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8517 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8518 /* 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
|
8519 * 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
|
8520 */ |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8521 } |
| 159 | 8522 else |
| 8523 { | |
| 8524 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
|
8525 e = new ErrorExp(); |
| 159 | 8526 } |
| 8527 return e; | |
| 8528 } | |
| 8529 | |
| 8530 /************************************************************/ | |
| 8531 | |
| 8532 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8533 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8534 { | |
| 8535 } | |
| 8536 | |
| 8537 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8538 { Expression *e; | |
| 8539 | |
| 8540 BinExp::semantic(sc); | |
| 8541 e2 = resolveProperties(sc, e2); | |
| 8542 | |
| 8543 e = op_overload(sc); | |
| 8544 if (e) | |
| 8545 return e; | |
| 8546 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8547 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8548 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
|
8549 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8550 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
|
8551 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
|
8552 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8553 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8554 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8555 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8556 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
|
8557 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8558 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
|
8559 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
|
8560 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
|
8561 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8562 |
| 159 | 8563 e1 = e1->modifiableLvalue(sc, e1); |
| 8564 e1->checkScalar(); | |
| 8565 e1->checkNoBool(); | |
| 8566 type = e1->type; | |
| 8567 typeCombine(sc); | |
| 8568 e1->checkArithmetic(); | |
| 8569 e2->checkArithmetic(); | |
| 1587 | 8570 checkComplexMulAssign(); |
| 159 | 8571 if (e2->type->isfloating()) |
| 8572 { Type *t1; | |
| 8573 Type *t2; | |
| 8574 | |
| 8575 t1 = e1->type; | |
| 8576 t2 = e2->type; | |
| 8577 if (t1->isreal()) | |
| 8578 { | |
| 8579 if (t2->isimaginary() || t2->iscomplex()) | |
| 8580 { | |
| 8581 e2 = e2->castTo(sc, t1); | |
| 8582 } | |
| 8583 } | |
| 8584 else if (t1->isimaginary()) | |
| 8585 { | |
| 8586 if (t2->isimaginary() || t2->iscomplex()) | |
| 8587 { | |
| 8588 switch (t1->ty) | |
| 8589 { | |
| 8590 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8591 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8592 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8593 default: | |
| 8594 assert(0); | |
| 8595 } | |
| 8596 e2 = e2->castTo(sc, t2); | |
| 8597 } | |
| 8598 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8599 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8600 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
|
8601 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8602 } |
| 8603 return this; | |
| 8604 } | |
| 8605 | |
| 8606 /************************************************************/ | |
| 8607 | |
| 8608 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8609 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8610 { | |
| 8611 } | |
| 8612 | |
| 8613 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8614 { Expression *e; | |
| 8615 | |
| 8616 BinExp::semantic(sc); | |
| 8617 e2 = resolveProperties(sc, e2); | |
| 8618 | |
| 8619 e = op_overload(sc); | |
| 8620 if (e) | |
| 8621 return e; | |
| 8622 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8623 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8624 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
|
8625 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8626 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
|
8627 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
|
8628 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8629 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8630 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8631 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8632 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
|
8633 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8634 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
|
8635 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
|
8636 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
|
8637 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8638 |
| 159 | 8639 e1 = e1->modifiableLvalue(sc, e1); |
| 8640 e1->checkScalar(); | |
| 8641 e1->checkNoBool(); | |
| 8642 type = e1->type; | |
| 8643 typeCombine(sc); | |
| 8644 e1->checkArithmetic(); | |
| 8645 e2->checkArithmetic(); | |
| 1587 | 8646 checkComplexMulAssign(); |
| 159 | 8647 if (e2->type->isimaginary()) |
| 8648 { Type *t1; | |
| 8649 Type *t2; | |
| 8650 | |
| 8651 t1 = e1->type; | |
| 8652 if (t1->isreal()) | |
| 8653 { // x/iv = i(-x/v) | |
| 8654 // Therefore, the result is 0 | |
| 8655 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8656 e2->type = t1; | |
| 8657 e = new AssignExp(loc, e1, e2); | |
| 8658 e->type = t1; | |
| 8659 return e; | |
| 8660 } | |
| 8661 else if (t1->isimaginary()) | |
| 8662 { Expression *e; | |
| 8663 | |
| 8664 switch (t1->ty) | |
| 8665 { | |
| 8666 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8667 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8668 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8669 default: | |
| 8670 assert(0); | |
| 8671 } | |
| 8672 e2 = e2->castTo(sc, t2); | |
| 8673 e = new AssignExp(loc, e1, e2); | |
| 8674 e->type = t1; | |
| 8675 return e; | |
| 8676 } | |
| 8677 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8678 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8679 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
|
8680 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
|
8681 |
| 159 | 8682 return this; |
| 8683 } | |
| 8684 | |
| 8685 /************************************************************/ | |
| 8686 | |
| 8687 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8688 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8689 { | |
| 8690 } | |
| 8691 | |
| 8692 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8693 { | |
| 1587 | 8694 BinExp::semantic(sc); |
| 8695 checkComplexMulAssign(); | |
| 159 | 8696 return commonSemanticAssign(sc); |
| 8697 } | |
| 8698 | |
| 8699 /************************************************************/ | |
| 8700 | |
| 8701 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8702 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8703 { | |
| 8704 } | |
| 8705 | |
| 8706 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8707 { Expression *e; | |
| 8708 | |
| 8709 //printf("ShlAssignExp::semantic()\n"); | |
| 8710 BinExp::semantic(sc); | |
| 8711 e2 = resolveProperties(sc, e2); | |
| 8712 | |
| 8713 e = op_overload(sc); | |
| 8714 if (e) | |
| 8715 return e; | |
| 8716 | |
| 8717 e1 = e1->modifiableLvalue(sc, e1); | |
| 8718 e1->checkScalar(); | |
| 8719 e1->checkNoBool(); | |
| 8720 type = e1->type; | |
| 8721 typeCombine(sc); | |
| 8722 e1->checkIntegral(); | |
| 8723 e2 = e2->checkIntegral(); | |
| 8724 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8725 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8726 return this; |
| 8727 } | |
| 8728 | |
| 8729 /************************************************************/ | |
| 8730 | |
| 8731 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8732 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8733 { | |
| 8734 } | |
| 8735 | |
| 8736 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8737 { Expression *e; | |
| 8738 | |
| 8739 BinExp::semantic(sc); | |
| 8740 e2 = resolveProperties(sc, e2); | |
| 8741 | |
| 8742 e = op_overload(sc); | |
| 8743 if (e) | |
| 8744 return e; | |
| 8745 | |
| 8746 e1 = e1->modifiableLvalue(sc, e1); | |
| 8747 e1->checkScalar(); | |
| 8748 e1->checkNoBool(); | |
| 8749 type = e1->type; | |
| 8750 typeCombine(sc); | |
| 8751 e1->checkIntegral(); | |
| 8752 e2 = e2->checkIntegral(); | |
| 8753 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8754 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8755 return this; |
| 8756 } | |
| 8757 | |
| 8758 /************************************************************/ | |
| 8759 | |
| 8760 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8761 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8762 { | |
| 8763 } | |
| 8764 | |
| 8765 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8766 { Expression *e; | |
| 8767 | |
| 8768 BinExp::semantic(sc); | |
| 8769 e2 = resolveProperties(sc, e2); | |
| 8770 | |
| 8771 e = op_overload(sc); | |
| 8772 if (e) | |
| 8773 return e; | |
| 8774 | |
| 8775 e1 = e1->modifiableLvalue(sc, e1); | |
| 8776 e1->checkScalar(); | |
| 8777 e1->checkNoBool(); | |
| 8778 type = e1->type; | |
| 8779 typeCombine(sc); | |
| 8780 e1->checkIntegral(); | |
| 8781 e2 = e2->checkIntegral(); | |
| 8782 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8783 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8784 return this; |
| 8785 } | |
| 8786 | |
| 8787 /************************************************************/ | |
| 8788 | |
| 8789 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8790 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8791 { | |
| 8792 } | |
| 8793 | |
| 8794 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8795 { | |
| 8796 return commonSemanticAssignIntegral(sc); | |
| 8797 } | |
| 8798 | |
| 8799 /************************************************************/ | |
| 8800 | |
| 8801 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8802 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8803 { | |
| 8804 } | |
| 8805 | |
| 8806 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8807 { | |
| 8808 return commonSemanticAssignIntegral(sc); | |
| 8809 } | |
| 8810 | |
| 8811 /************************************************************/ | |
| 8812 | |
| 8813 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8814 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8815 { | |
| 8816 } | |
| 8817 | |
| 8818 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8819 { | |
| 8820 return commonSemanticAssignIntegral(sc); | |
| 8821 } | |
| 8822 | |
| 8823 /************************* AddExp *****************************/ | |
| 8824 | |
| 8825 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8826 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8827 { | |
| 8828 } | |
| 8829 | |
| 8830 Expression *AddExp::semantic(Scope *sc) | |
| 8831 { Expression *e; | |
| 8832 | |
| 8833 #if LOGSEMANTIC | |
| 8834 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8835 #endif | |
| 8836 if (!type) | |
| 8837 { | |
| 8838 BinExp::semanticp(sc); | |
| 8839 | |
| 8840 e = op_overload(sc); | |
| 8841 if (e) | |
| 8842 return e; | |
| 8843 | |
| 8844 Type *tb1 = e1->type->toBasetype(); | |
| 8845 Type *tb2 = e2->type->toBasetype(); | |
| 8846 | |
| 8847 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8848 (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
|
8849 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8850 ) |
| 8851 { | |
| 8852 type = e1->type; | |
| 8853 e = this; | |
| 8854 } | |
| 8855 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8856 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8857 e = scaleFactor(sc); | |
| 8858 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8859 { | |
| 8860 incompatibleTypes(); | |
| 8861 type = e1->type; | |
| 8862 e = this; | |
| 8863 } | |
| 8864 else | |
| 8865 { | |
| 8866 typeCombine(sc); | |
| 8867 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8868 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8869 { | |
| 8870 switch (type->toBasetype()->ty) | |
| 8871 { | |
| 8872 case Tfloat32: | |
| 8873 case Timaginary32: | |
| 8874 type = Type::tcomplex32; | |
| 8875 break; | |
| 8876 | |
| 8877 case Tfloat64: | |
| 8878 case Timaginary64: | |
| 8879 type = Type::tcomplex64; | |
| 8880 break; | |
| 8881 | |
| 8882 case Tfloat80: | |
| 8883 case Timaginary80: | |
| 8884 type = Type::tcomplex80; | |
| 8885 break; | |
| 8886 | |
| 8887 default: | |
| 8888 assert(0); | |
| 8889 } | |
| 8890 } | |
| 8891 e = this; | |
| 8892 } | |
| 8893 return e; | |
| 8894 } | |
| 8895 return this; | |
| 8896 } | |
| 8897 | |
| 8898 /************************************************************/ | |
| 8899 | |
| 8900 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8901 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8902 { | |
| 8903 } | |
| 8904 | |
| 8905 Expression *MinExp::semantic(Scope *sc) | |
| 8906 { Expression *e; | |
| 8907 Type *t1; | |
| 8908 Type *t2; | |
| 8909 | |
| 8910 #if LOGSEMANTIC | |
| 8911 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8912 #endif | |
| 8913 if (type) | |
| 8914 return this; | |
| 8915 | |
| 8916 BinExp::semanticp(sc); | |
| 8917 | |
| 8918 e = op_overload(sc); | |
| 8919 if (e) | |
| 8920 return e; | |
| 8921 | |
| 8922 e = this; | |
| 8923 t1 = e1->type->toBasetype(); | |
| 8924 t2 = e2->type->toBasetype(); | |
| 8925 if (t1->ty == Tpointer) | |
| 8926 { | |
| 8927 if (t2->ty == Tpointer) | |
| 8928 { // Need to divide the result by the stride | |
| 8929 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8930 d_int64 stride; | |
| 8931 Expression *e; | |
| 8932 | |
| 8933 typeCombine(sc); // make sure pointer types are compatible | |
| 8934 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
|
8935 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
|
8936 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
|
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 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
|
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 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8941 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8942 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
|
8943 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
|
8944 } |
| 159 | 8945 return e; |
| 8946 } | |
| 8947 else if (t2->isintegral()) | |
| 8948 e = scaleFactor(sc); | |
| 8949 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
|
8950 { error("incompatible types for minus"); |
| 159 | 8951 return new IntegerExp(0); |
| 8952 } | |
| 8953 } | |
| 8954 else if (t2->ty == Tpointer) | |
| 8955 { | |
| 8956 type = e2->type; | |
| 8957 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8958 return new IntegerExp(0); | |
| 8959 } | |
| 8960 else | |
| 8961 { | |
| 8962 typeCombine(sc); | |
| 8963 t1 = e1->type->toBasetype(); | |
| 8964 t2 = e2->type->toBasetype(); | |
| 8965 if ((t1->isreal() && t2->isimaginary()) || | |
| 8966 (t1->isimaginary() && t2->isreal())) | |
| 8967 { | |
| 8968 switch (type->ty) | |
| 8969 { | |
| 8970 case Tfloat32: | |
| 8971 case Timaginary32: | |
| 8972 type = Type::tcomplex32; | |
| 8973 break; | |
| 8974 | |
| 8975 case Tfloat64: | |
| 8976 case Timaginary64: | |
| 8977 type = Type::tcomplex64; | |
| 8978 break; | |
| 8979 | |
| 8980 case Tfloat80: | |
| 8981 case Timaginary80: | |
| 8982 type = Type::tcomplex80; | |
| 8983 break; | |
| 8984 | |
| 8985 default: | |
| 8986 assert(0); | |
| 8987 } | |
| 8988 } | |
| 8989 } | |
| 8990 return e; | |
| 8991 } | |
| 8992 | |
| 8993 /************************* CatExp *****************************/ | |
| 8994 | |
| 8995 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8996 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8997 { | |
| 8998 } | |
| 8999 | |
| 9000 Expression *CatExp::semantic(Scope *sc) | |
| 9001 { Expression *e; | |
| 9002 | |
| 9003 //printf("CatExp::semantic() %s\n", toChars()); | |
| 9004 if (!type) | |
| 9005 { | |
| 9006 BinExp::semanticp(sc); | |
| 9007 e = op_overload(sc); | |
| 9008 if (e) | |
| 9009 return e; | |
| 9010 | |
| 9011 Type *tb1 = e1->type->toBasetype(); | |
| 9012 Type *tb2 = e2->type->toBasetype(); | |
| 9013 | |
| 9014 | |
| 9015 /* BUG: Should handle things like: | |
| 9016 * char c; | |
| 9017 * c ~ ' ' | |
| 9018 * ' ' ~ c; | |
| 9019 */ | |
| 9020 | |
| 9021 #if 0 | |
| 9022 e1->type->print(); | |
| 9023 e2->type->print(); | |
| 9024 #endif | |
| 9025 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 9026 e2->type->equals(tb1->next)) | |
| 9027 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9028 type = tb1->nextOf()->arrayOf(); |
| 159 | 9029 if (tb2->ty == Tarray) |
| 9030 { // Make e2 into [e2] | |
| 9031 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 9032 e2->type = type; | |
| 9033 } | |
| 9034 return this; | |
| 9035 } | |
| 9036 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 9037 e1->type->equals(tb2->next)) | |
| 9038 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9039 type = tb2->nextOf()->arrayOf(); |
| 159 | 9040 if (tb1->ty == Tarray) |
| 9041 { // Make e1 into [e1] | |
| 9042 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 9043 e1->type = type; | |
| 9044 } | |
| 9045 return this; | |
| 9046 } | |
| 9047 | |
| 9048 typeCombine(sc); | |
| 9049 | |
| 9050 if (type->toBasetype()->ty == Tsarray) | |
| 9051 type = type->toBasetype()->next->arrayOf(); | |
| 9052 #if 0 | |
| 9053 e1->type->print(); | |
| 9054 e2->type->print(); | |
| 9055 type->print(); | |
| 9056 print(); | |
| 9057 #endif | |
| 9058 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 9059 e = optimize(WANTvalue); | |
| 9060 else if (e1->type->equals(e2->type) && | |
| 9061 (e1->type->toBasetype()->ty == Tarray || | |
| 9062 e1->type->toBasetype()->ty == Tsarray)) | |
| 9063 { | |
| 9064 e = this; | |
| 9065 } | |
| 9066 else | |
| 9067 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9068 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 9069 error("Can only concatenate arrays, not (%s ~ %s)", |
| 9070 e1->type->toChars(), e2->type->toChars()); | |
| 9071 type = Type::tint32; | |
| 9072 e = this; | |
| 9073 } | |
| 9074 e->type = e->type->semantic(loc, sc); | |
| 9075 return e; | |
| 9076 } | |
| 9077 return this; | |
| 9078 } | |
| 9079 | |
| 9080 /************************************************************/ | |
| 9081 | |
| 9082 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 9083 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 9084 { | |
| 9085 } | |
| 9086 | |
| 9087 Expression *MulExp::semantic(Scope *sc) | |
| 9088 { Expression *e; | |
| 9089 | |
| 9090 #if 0 | |
| 9091 printf("MulExp::semantic() %s\n", toChars()); | |
| 9092 #endif | |
| 9093 if (type) | |
| 9094 { | |
| 9095 return this; | |
| 9096 } | |
| 9097 | |
| 9098 BinExp::semanticp(sc); | |
| 9099 e = op_overload(sc); | |
| 9100 if (e) | |
| 9101 return e; | |
| 9102 | |
| 9103 typeCombine(sc); | |
| 1587 | 9104 if (!e1->isArrayOperand()) |
| 9105 e1->checkArithmetic(); | |
| 9106 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
|
9107 e2->checkArithmetic(); |
| 159 | 9108 if (type->isfloating()) |
| 9109 { Type *t1 = e1->type; | |
| 9110 Type *t2 = e2->type; | |
| 9111 | |
| 9112 if (t1->isreal()) | |
| 9113 { | |
| 9114 type = t2; | |
| 9115 } | |
| 9116 else if (t2->isreal()) | |
| 9117 { | |
| 9118 type = t1; | |
| 9119 } | |
| 9120 else if (t1->isimaginary()) | |
| 9121 { | |
| 9122 if (t2->isimaginary()) | |
| 9123 { Expression *e; | |
| 9124 | |
| 9125 switch (t1->ty) | |
| 9126 { | |
| 9127 case Timaginary32: type = Type::tfloat32; break; | |
| 9128 case Timaginary64: type = Type::tfloat64; break; | |
| 9129 case Timaginary80: type = Type::tfloat80; break; | |
| 9130 default: assert(0); | |
| 9131 } | |
| 9132 | |
| 9133 // iy * iv = -yv | |
| 9134 e1->type = type; | |
| 9135 e2->type = type; | |
| 9136 e = new NegExp(loc, this); | |
| 9137 e = e->semantic(sc); | |
| 9138 return e; | |
| 9139 } | |
| 9140 else | |
| 9141 type = t2; // t2 is complex | |
| 9142 } | |
| 9143 else if (t2->isimaginary()) | |
| 9144 { | |
| 9145 type = t1; // t1 is complex | |
| 9146 } | |
| 9147 } | |
| 9148 return this; | |
| 9149 } | |
| 9150 | |
| 9151 /************************************************************/ | |
| 9152 | |
| 9153 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 9154 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 9155 { | |
| 9156 } | |
| 9157 | |
| 9158 Expression *DivExp::semantic(Scope *sc) | |
| 9159 { Expression *e; | |
| 9160 | |
| 9161 if (type) | |
| 9162 return this; | |
| 9163 | |
| 9164 BinExp::semanticp(sc); | |
| 9165 e = op_overload(sc); | |
| 9166 if (e) | |
| 9167 return e; | |
| 9168 | |
| 9169 typeCombine(sc); | |
| 1587 | 9170 if (!e1->isArrayOperand()) |
| 9171 e1->checkArithmetic(); | |
| 9172 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
|
9173 e2->checkArithmetic(); |
| 159 | 9174 if (type->isfloating()) |
| 9175 { Type *t1 = e1->type; | |
| 9176 Type *t2 = e2->type; | |
| 9177 | |
| 9178 if (t1->isreal()) | |
| 9179 { | |
| 9180 type = t2; | |
| 9181 if (t2->isimaginary()) | |
| 9182 { Expression *e; | |
| 9183 | |
| 9184 // x/iv = i(-x/v) | |
| 9185 e2->type = t1; | |
| 9186 e = new NegExp(loc, this); | |
| 9187 e = e->semantic(sc); | |
| 9188 return e; | |
| 9189 } | |
| 9190 } | |
| 9191 else if (t2->isreal()) | |
| 9192 { | |
| 9193 type = t1; | |
| 9194 } | |
| 9195 else if (t1->isimaginary()) | |
| 9196 { | |
| 9197 if (t2->isimaginary()) | |
| 9198 { | |
| 9199 switch (t1->ty) | |
| 9200 { | |
| 9201 case Timaginary32: type = Type::tfloat32; break; | |
| 9202 case Timaginary64: type = Type::tfloat64; break; | |
| 9203 case Timaginary80: type = Type::tfloat80; break; | |
| 9204 default: assert(0); | |
| 9205 } | |
| 9206 } | |
| 9207 else | |
| 9208 type = t2; // t2 is complex | |
| 9209 } | |
| 9210 else if (t2->isimaginary()) | |
| 9211 { | |
| 9212 type = t1; // t1 is complex | |
| 9213 } | |
| 9214 } | |
| 9215 return this; | |
| 9216 } | |
| 9217 | |
| 9218 /************************************************************/ | |
| 9219 | |
| 9220 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 9221 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 9222 { | |
| 9223 } | |
| 9224 | |
| 9225 Expression *ModExp::semantic(Scope *sc) | |
| 9226 { Expression *e; | |
| 9227 | |
| 9228 if (type) | |
| 9229 return this; | |
| 9230 | |
| 9231 BinExp::semanticp(sc); | |
| 9232 e = op_overload(sc); | |
| 9233 if (e) | |
| 9234 return e; | |
| 9235 | |
| 9236 typeCombine(sc); | |
| 1587 | 9237 if (!e1->isArrayOperand()) |
| 9238 e1->checkArithmetic(); | |
| 9239 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
|
9240 e2->checkArithmetic(); |
| 159 | 9241 if (type->isfloating()) |
| 9242 { type = e1->type; | |
| 9243 if (e2->type->iscomplex()) | |
| 9244 { error("cannot perform modulo complex arithmetic"); | |
| 9245 return new IntegerExp(0); | |
| 9246 } | |
| 9247 } | |
| 9248 return this; | |
| 9249 } | |
| 9250 | |
| 9251 /************************************************************/ | |
| 9252 | |
| 9253 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 9254 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 9255 { | |
| 9256 } | |
| 9257 | |
| 9258 Expression *ShlExp::semantic(Scope *sc) | |
| 9259 { Expression *e; | |
| 9260 | |
| 9261 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 9262 if (!type) | |
| 9263 { BinExp::semanticp(sc); | |
| 9264 e = op_overload(sc); | |
| 9265 if (e) | |
| 9266 return e; | |
| 9267 e1 = e1->checkIntegral(); | |
| 9268 e2 = e2->checkIntegral(); | |
| 9269 e1 = e1->integralPromotions(sc); | |
| 9270 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9271 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9272 type = e1->type; |
| 9273 } | |
| 9274 return this; | |
| 9275 } | |
| 9276 | |
| 9277 /************************************************************/ | |
| 9278 | |
| 9279 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9280 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 9281 { | |
| 9282 } | |
| 9283 | |
| 9284 Expression *ShrExp::semantic(Scope *sc) | |
| 9285 { Expression *e; | |
| 9286 | |
| 9287 if (!type) | |
| 9288 { BinExp::semanticp(sc); | |
| 9289 e = op_overload(sc); | |
| 9290 if (e) | |
| 9291 return e; | |
| 9292 e1 = e1->checkIntegral(); | |
| 9293 e2 = e2->checkIntegral(); | |
| 9294 e1 = e1->integralPromotions(sc); | |
| 9295 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9296 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9297 type = e1->type; |
| 9298 } | |
| 9299 return this; | |
| 9300 } | |
| 9301 | |
| 9302 /************************************************************/ | |
| 9303 | |
| 9304 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9305 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 9306 { | |
| 9307 } | |
| 9308 | |
| 9309 Expression *UshrExp::semantic(Scope *sc) | |
| 9310 { Expression *e; | |
| 9311 | |
| 9312 if (!type) | |
| 9313 { BinExp::semanticp(sc); | |
| 9314 e = op_overload(sc); | |
| 9315 if (e) | |
| 9316 return e; | |
| 9317 e1 = e1->checkIntegral(); | |
| 9318 e2 = e2->checkIntegral(); | |
| 9319 e1 = e1->integralPromotions(sc); | |
| 9320 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9321 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9322 type = e1->type; |
| 9323 } | |
| 9324 return this; | |
| 9325 } | |
| 9326 | |
| 9327 /************************************************************/ | |
| 9328 | |
| 9329 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9330 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 9331 { | |
| 9332 } | |
| 9333 | |
| 9334 Expression *AndExp::semantic(Scope *sc) | |
| 9335 { Expression *e; | |
| 9336 | |
| 9337 if (!type) | |
| 9338 { BinExp::semanticp(sc); | |
| 9339 e = op_overload(sc); | |
| 9340 if (e) | |
| 9341 return e; | |
| 9342 if (e1->type->toBasetype()->ty == Tbool && | |
| 9343 e2->type->toBasetype()->ty == Tbool) | |
| 9344 { | |
| 9345 type = e1->type; | |
| 9346 e = this; | |
| 9347 } | |
| 9348 else | |
| 9349 { | |
| 9350 typeCombine(sc); | |
| 1587 | 9351 if (!e1->isArrayOperand()) |
| 9352 e1->checkIntegral(); | |
| 9353 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
|
9354 e2->checkIntegral(); |
| 159 | 9355 } |
| 9356 } | |
| 9357 return this; | |
| 9358 } | |
| 9359 | |
| 9360 /************************************************************/ | |
| 9361 | |
| 9362 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9363 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 9364 { | |
| 9365 } | |
| 9366 | |
| 9367 Expression *OrExp::semantic(Scope *sc) | |
| 9368 { Expression *e; | |
| 9369 | |
| 9370 if (!type) | |
| 9371 { BinExp::semanticp(sc); | |
| 9372 e = op_overload(sc); | |
| 9373 if (e) | |
| 9374 return e; | |
| 9375 if (e1->type->toBasetype()->ty == Tbool && | |
| 9376 e2->type->toBasetype()->ty == Tbool) | |
| 9377 { | |
| 9378 type = e1->type; | |
| 9379 e = this; | |
| 9380 } | |
| 9381 else | |
| 9382 { | |
| 9383 typeCombine(sc); | |
| 1587 | 9384 if (!e1->isArrayOperand()) |
| 9385 e1->checkIntegral(); | |
| 9386 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
|
9387 e2->checkIntegral(); |
| 159 | 9388 } |
| 9389 } | |
| 9390 return this; | |
| 9391 } | |
| 9392 | |
| 9393 /************************************************************/ | |
| 9394 | |
| 9395 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9396 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9397 { | |
| 9398 } | |
| 9399 | |
| 9400 Expression *XorExp::semantic(Scope *sc) | |
| 9401 { Expression *e; | |
| 9402 | |
| 9403 if (!type) | |
| 9404 { BinExp::semanticp(sc); | |
| 9405 e = op_overload(sc); | |
| 9406 if (e) | |
| 9407 return e; | |
| 9408 if (e1->type->toBasetype()->ty == Tbool && | |
| 9409 e2->type->toBasetype()->ty == Tbool) | |
| 9410 { | |
| 9411 type = e1->type; | |
| 9412 e = this; | |
| 9413 } | |
| 9414 else | |
| 9415 { | |
| 9416 typeCombine(sc); | |
| 1587 | 9417 if (!e1->isArrayOperand()) |
| 9418 e1->checkIntegral(); | |
| 9419 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
|
9420 e2->checkIntegral(); |
| 159 | 9421 } |
| 9422 } | |
| 9423 return this; | |
| 9424 } | |
| 9425 | |
| 9426 | |
| 9427 /************************************************************/ | |
| 9428 | |
| 9429 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9430 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9431 { | |
| 9432 } | |
| 9433 | |
| 9434 Expression *OrOrExp::semantic(Scope *sc) | |
| 9435 { | |
| 9436 unsigned cs1; | |
| 9437 | |
| 9438 // same as for AndAnd | |
| 9439 e1 = e1->semantic(sc); | |
| 9440 e1 = resolveProperties(sc, e1); | |
| 9441 e1 = e1->checkToPointer(); | |
| 9442 e1 = e1->checkToBoolean(); | |
| 9443 cs1 = sc->callSuper; | |
| 9444 | |
| 9445 if (sc->flags & SCOPEstaticif) | |
| 9446 { | |
| 9447 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9448 */ | |
| 9449 e1 = e1->optimize(WANTflags); | |
| 9450 if (e1->isBool(TRUE)) | |
| 9451 { | |
| 9452 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9453 } | |
| 9454 } | |
| 9455 | |
| 9456 e2 = e2->semantic(sc); | |
| 9457 sc->mergeCallSuper(loc, cs1); | |
| 9458 e2 = resolveProperties(sc, e2); | |
| 9459 e2 = e2->checkToPointer(); | |
| 9460 | |
| 9461 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
|
9462 if (e2->type->ty == Tvoid) |
| 159 | 9463 type = Type::tvoid; |
| 9464 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9465 error("%s is not an expression", e2->toChars()); | |
| 9466 return this; | |
| 9467 } | |
| 9468 | |
| 9469 Expression *OrOrExp::checkToBoolean() | |
| 9470 { | |
| 9471 e2 = e2->checkToBoolean(); | |
| 9472 return this; | |
| 9473 } | |
| 9474 | |
| 9475 int OrOrExp::isBit() | |
| 9476 { | |
| 9477 return TRUE; | |
| 9478 } | |
| 9479 | |
| 9480 int OrOrExp::checkSideEffect(int flag) | |
| 9481 { | |
| 9482 if (flag == 2) | |
| 9483 { | |
| 9484 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9485 } | |
| 9486 else | |
| 9487 { e1->checkSideEffect(1); | |
| 9488 return e2->checkSideEffect(flag); | |
| 9489 } | |
| 9490 } | |
| 9491 | |
| 9492 /************************************************************/ | |
| 9493 | |
| 9494 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9495 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9496 { | |
| 9497 } | |
| 9498 | |
| 9499 Expression *AndAndExp::semantic(Scope *sc) | |
| 9500 { | |
| 9501 unsigned cs1; | |
| 9502 | |
| 9503 // same as for OrOr | |
| 9504 e1 = e1->semantic(sc); | |
| 9505 e1 = resolveProperties(sc, e1); | |
| 9506 e1 = e1->checkToPointer(); | |
| 9507 e1 = e1->checkToBoolean(); | |
| 9508 cs1 = sc->callSuper; | |
| 9509 | |
| 9510 if (sc->flags & SCOPEstaticif) | |
| 9511 { | |
| 9512 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9513 */ | |
| 9514 e1 = e1->optimize(WANTflags); | |
| 9515 if (e1->isBool(FALSE)) | |
| 9516 { | |
| 9517 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9518 } | |
| 9519 } | |
| 9520 | |
| 9521 e2 = e2->semantic(sc); | |
| 9522 sc->mergeCallSuper(loc, cs1); | |
| 9523 e2 = resolveProperties(sc, e2); | |
| 9524 e2 = e2->checkToPointer(); | |
| 9525 | |
| 9526 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
|
9527 if (e2->type->ty == Tvoid) |
| 159 | 9528 type = Type::tvoid; |
| 9529 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9530 error("%s is not an expression", e2->toChars()); | |
| 9531 return this; | |
| 9532 } | |
| 9533 | |
| 9534 Expression *AndAndExp::checkToBoolean() | |
| 9535 { | |
| 9536 e2 = e2->checkToBoolean(); | |
| 9537 return this; | |
| 9538 } | |
| 9539 | |
| 9540 int AndAndExp::isBit() | |
| 9541 { | |
| 9542 return TRUE; | |
| 9543 } | |
| 9544 | |
| 9545 int AndAndExp::checkSideEffect(int flag) | |
| 9546 { | |
| 9547 if (flag == 2) | |
| 9548 { | |
| 9549 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9550 } | |
| 9551 else | |
| 9552 { | |
| 9553 e1->checkSideEffect(1); | |
| 9554 return e2->checkSideEffect(flag); | |
| 9555 } | |
| 9556 } | |
| 9557 | |
| 9558 /************************************************************/ | |
| 9559 | |
| 9560 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9561 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9562 { | |
| 9563 } | |
| 9564 | |
| 9565 Expression *InExp::semantic(Scope *sc) | |
| 9566 { Expression *e; | |
| 9567 | |
| 9568 if (type) | |
| 9569 return this; | |
| 9570 | |
| 9571 BinExp::semanticp(sc); | |
| 9572 e = op_overload(sc); | |
| 9573 if (e) | |
| 9574 return e; | |
| 9575 | |
| 9576 //type = Type::tboolean; | |
| 9577 Type *t2b = e2->type->toBasetype(); | |
| 9578 if (t2b->ty != Taarray) | |
| 9579 { | |
| 9580 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9581 type = Type::terror; | |
| 9582 } | |
| 9583 else | |
| 9584 { | |
| 9585 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9586 | |
| 9587 // Convert key to type of key | |
| 9588 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9589 | |
| 9590 // 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
|
9591 type = ta->nextOf()->pointerTo(); |
| 159 | 9592 } |
| 9593 return this; | |
| 9594 } | |
| 9595 | |
| 9596 int InExp::isBit() | |
| 9597 { | |
| 9598 return FALSE; | |
| 9599 } | |
| 9600 | |
| 9601 | |
| 9602 /************************************************************/ | |
| 9603 | |
| 9604 /* This deletes the key e1 from the associative array e2 | |
| 9605 */ | |
| 9606 | |
| 9607 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9608 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9609 { | |
| 9610 type = Type::tvoid; | |
| 9611 } | |
| 9612 | |
| 9613 /************************************************************/ | |
| 9614 | |
| 9615 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9616 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9617 { | |
| 9618 } | |
| 9619 | |
| 9620 Expression *CmpExp::semantic(Scope *sc) | |
| 9621 { Expression *e; | |
| 9622 | |
| 9623 #if LOGSEMANTIC | |
| 9624 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9625 #endif | |
| 9626 if (type) | |
| 9627 return this; | |
| 9628 | |
| 9629 BinExp::semanticp(sc); | |
| 9630 | |
| 1587 | 9631 Type *t1 = e1->type->toBasetype(); |
| 9632 Type *t2 = e2->type->toBasetype(); | |
| 9633 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9634 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9635 { |
| 9636 error("do not use null when comparing class types"); | |
| 9637 } | |
| 9638 | |
| 9639 e = op_overload(sc); | |
| 9640 if (e) | |
| 9641 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9642 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
|
9643 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9644 error("recursive opCmp expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9645 e = new ErrorExp(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9646 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9647 else |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9648 { 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
|
9649 e = e->semantic(sc); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9650 } |
| 159 | 9651 return e; |
| 9652 } | |
| 9653 | |
| 1587 | 9654 /* Disallow comparing T[]==T and T==T[] |
| 9655 */ | |
| 9656 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9657 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9658 { | |
| 9659 incompatibleTypes(); | |
| 9660 return new ErrorExp(); | |
| 9661 } | |
| 9662 | |
| 159 | 9663 typeCombine(sc); |
| 9664 type = Type::tboolean; | |
| 9665 | |
| 9666 // Special handling for array comparisons | |
| 9667 t1 = e1->type->toBasetype(); | |
| 9668 t2 = e2->type->toBasetype(); | |
| 9669 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9670 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9671 { | |
| 9672 if (!t1->next->equals(t2->next)) | |
| 9673 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9674 e = this; | |
| 9675 } | |
| 9676 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9677 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9678 { | |
| 9679 if (t2->ty == Tstruct) | |
| 9680 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9681 else | |
| 9682 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9683 e = this; | |
| 9684 } | |
| 9685 #if 1 | |
| 9686 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9687 { | |
| 9688 error("compare not defined for complex operands"); | |
| 9689 e = new IntegerExp(0); | |
| 9690 } | |
| 9691 #endif | |
| 9692 else | |
| 9693 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
|
9694 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9695 return e; |
| 9696 } | |
| 9697 | |
| 9698 int CmpExp::isBit() | |
| 9699 { | |
| 9700 return TRUE; | |
| 9701 } | |
| 9702 | |
| 9703 | |
| 9704 /************************************************************/ | |
| 9705 | |
| 9706 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9707 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9708 { | |
| 9709 assert(op == TOKequal || op == TOKnotequal); | |
| 9710 } | |
| 9711 | |
| 9712 Expression *EqualExp::semantic(Scope *sc) | |
| 9713 { Expression *e; | |
| 9714 | |
| 9715 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9716 if (type) | |
| 9717 return this; | |
| 9718 | |
| 9719 BinExp::semanticp(sc); | |
| 9720 | |
| 9721 /* Before checking for operator overloading, check to see if we're | |
| 9722 * comparing the addresses of two statics. If so, we can just see | |
| 9723 * if they are the same symbol. | |
| 9724 */ | |
| 9725 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9726 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9727 AddrExp *ae2 = (AddrExp *)e2; | |
| 9728 | |
| 9729 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9730 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9731 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9732 | |
| 9733 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9734 { | |
| 9735 // They are the same, result is 'true' for ==, 'false' for != | |
| 9736 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9737 return e; | |
| 9738 } | |
| 9739 } | |
| 9740 } | |
| 9741 | |
| 1587 | 9742 Type *t1 = e1->type->toBasetype(); |
| 9743 Type *t2 = e2->type->toBasetype(); | |
| 9744 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9745 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9746 { |
| 9747 error("use '%s' instead of '%s' when comparing with null", | |
| 9748 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9749 Token::toChars(op)); | |
| 9750 } | |
| 9751 | |
| 9752 //if (e2->op != TOKnull) | |
| 9753 { | |
| 9754 e = op_overload(sc); | |
| 9755 if (e) | |
| 9756 { | |
| 9757 if (op == TOKnotequal) | |
| 9758 { | |
| 9759 e = new NotExp(e->loc, e); | |
| 9760 e = e->semantic(sc); | |
| 9761 } | |
| 9762 return e; | |
| 9763 } | |
| 9764 } | |
| 9765 | |
| 1587 | 9766 /* Disallow comparing T[]==T and T==T[] |
| 9767 */ | |
| 9768 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9769 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9770 { | |
| 9771 incompatibleTypes(); | |
| 9772 return new ErrorExp(); | |
| 9773 } | |
| 9774 | |
| 159 | 9775 e = typeCombine(sc); |
| 9776 type = Type::tboolean; | |
| 9777 | |
| 9778 // Special handling for array comparisons | |
| 9779 t1 = e1->type->toBasetype(); | |
| 9780 t2 = e2->type->toBasetype(); | |
| 9781 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9782 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9783 { | |
| 9784 if (!t1->next->equals(t2->next)) | |
| 9785 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9786 } | |
| 9787 else | |
| 9788 { | |
| 9789 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9790 { | |
| 9791 // Cast both to complex | |
| 9792 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9793 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9794 } | |
| 9795 } | |
| 9796 return e; | |
| 9797 } | |
| 9798 | |
| 9799 int EqualExp::isBit() | |
| 9800 { | |
| 9801 return TRUE; | |
| 9802 } | |
| 9803 | |
| 9804 | |
| 9805 | |
| 9806 /************************************************************/ | |
| 9807 | |
| 9808 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9809 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9810 { | |
| 9811 } | |
| 9812 | |
| 9813 Expression *IdentityExp::semantic(Scope *sc) | |
| 9814 { | |
| 9815 if (type) | |
| 9816 return this; | |
| 9817 | |
| 9818 BinExp::semanticp(sc); | |
| 9819 type = Type::tboolean; | |
| 9820 typeCombine(sc); | |
| 9821 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9822 { | |
| 9823 // Cast both to complex | |
| 9824 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9825 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9826 } | |
| 9827 return this; | |
| 9828 } | |
| 9829 | |
| 9830 int IdentityExp::isBit() | |
| 9831 { | |
| 9832 return TRUE; | |
| 9833 } | |
| 9834 | |
| 9835 | |
| 9836 /****************************************************************/ | |
| 9837 | |
| 9838 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9839 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9840 { | |
| 9841 this->econd = econd; | |
| 9842 } | |
| 9843 | |
| 9844 Expression *CondExp::syntaxCopy() | |
| 9845 { | |
| 9846 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9847 } | |
| 9848 | |
| 9849 | |
| 9850 Expression *CondExp::semantic(Scope *sc) | |
| 9851 { Type *t1; | |
| 9852 Type *t2; | |
| 9853 unsigned cs0; | |
| 9854 unsigned cs1; | |
| 9855 | |
| 9856 #if LOGSEMANTIC | |
| 9857 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9858 #endif | |
| 9859 if (type) | |
| 9860 return this; | |
| 9861 | |
| 9862 econd = econd->semantic(sc); | |
| 9863 econd = resolveProperties(sc, econd); | |
| 9864 econd = econd->checkToPointer(); | |
| 9865 econd = econd->checkToBoolean(); | |
| 9866 | |
| 9867 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9868 * both contribute to the type of the result. | |
| 9869 */ | |
| 9870 if (sc->flags & SCOPEstaticif) | |
| 9871 { | |
| 9872 /* If in static if, don't evaluate what we don't have to. | |
| 9873 */ | |
| 9874 econd = econd->optimize(WANTflags); | |
| 9875 if (econd->isBool(TRUE)) | |
| 9876 { | |
| 9877 e1 = e1->semantic(sc); | |
| 9878 e1 = resolveProperties(sc, e1); | |
| 9879 return e1; | |
| 9880 } | |
| 9881 else if (econd->isBool(FALSE)) | |
| 9882 { | |
| 9883 e2 = e2->semantic(sc); | |
| 9884 e2 = resolveProperties(sc, e2); | |
| 9885 return e2; | |
| 9886 } | |
| 9887 } | |
| 9888 #endif | |
| 9889 | |
| 9890 | |
| 9891 cs0 = sc->callSuper; | |
| 9892 e1 = e1->semantic(sc); | |
| 9893 e1 = resolveProperties(sc, e1); | |
| 9894 cs1 = sc->callSuper; | |
| 9895 sc->callSuper = cs0; | |
| 9896 e2 = e2->semantic(sc); | |
| 9897 e2 = resolveProperties(sc, e2); | |
| 9898 sc->mergeCallSuper(loc, cs1); | |
| 9899 | |
| 9900 | |
| 9901 // If either operand is void, the result is void | |
| 9902 t1 = e1->type; | |
| 9903 t2 = e2->type; | |
| 9904 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9905 type = Type::tvoid; | |
| 9906 else if (t1 == t2) | |
| 9907 type = t1; | |
| 9908 else | |
| 9909 { | |
| 9910 typeCombine(sc); | |
| 9911 switch (e1->type->toBasetype()->ty) | |
| 9912 { | |
| 9913 case Tcomplex32: | |
| 9914 case Tcomplex64: | |
| 9915 case Tcomplex80: | |
| 9916 e2 = e2->castTo(sc, e1->type); | |
| 9917 break; | |
| 9918 } | |
| 9919 switch (e2->type->toBasetype()->ty) | |
| 9920 { | |
| 9921 case Tcomplex32: | |
| 9922 case Tcomplex64: | |
| 9923 case Tcomplex80: | |
| 9924 e1 = e1->castTo(sc, e2->type); | |
| 9925 break; | |
| 9926 } | |
| 9927 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9928 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9929 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9930 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9931 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9932 #endif |
| 159 | 9933 return this; |
| 9934 } | |
| 9935 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9936 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9937 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9938 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9939 return e1->isLvalue() && e2->isLvalue(); |
|
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9940 } |
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9941 #endif |
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9942 |
| 159 | 9943 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9944 { | |
| 9945 PtrExp *e; | |
| 9946 | |
| 9947 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9948 e = new PtrExp(loc, this, type); | |
| 9949 | |
| 9950 e1 = e1->addressOf(sc); | |
| 9951 //e1 = e1->toLvalue(sc, NULL); | |
| 9952 | |
| 9953 e2 = e2->addressOf(sc); | |
| 9954 //e2 = e2->toLvalue(sc, NULL); | |
| 9955 | |
| 9956 typeCombine(sc); | |
| 9957 | |
| 9958 type = e2->type; | |
| 9959 return e; | |
| 9960 } | |
| 9961 | |
| 9962 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9963 { | |
| 9964 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9965 return this; | |
| 9966 } | |
| 9967 | |
| 9968 void CondExp::checkEscape() | |
| 9969 { | |
| 9970 e1->checkEscape(); | |
| 9971 e2->checkEscape(); | |
| 9972 } | |
| 9973 | |
| 9974 | |
| 9975 Expression *CondExp::checkToBoolean() | |
| 9976 { | |
| 9977 e1 = e1->checkToBoolean(); | |
| 9978 e2 = e2->checkToBoolean(); | |
| 9979 return this; | |
| 9980 } | |
| 9981 | |
| 9982 int CondExp::checkSideEffect(int flag) | |
| 9983 { | |
| 9984 if (flag == 2) | |
| 9985 { | |
| 9986 return econd->checkSideEffect(2) || | |
| 9987 e1->checkSideEffect(2) || | |
| 9988 e2->checkSideEffect(2); | |
| 9989 } | |
| 9990 else | |
| 9991 { | |
| 9992 econd->checkSideEffect(1); | |
| 9993 e1->checkSideEffect(flag); | |
| 9994 return e2->checkSideEffect(flag); | |
| 9995 } | |
| 9996 } | |
| 9997 | |
|
875
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9998 #if DMDV2 |
|
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9999 int CondExp::canThrow() |
|
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10000 { |
|
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10001 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
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10002 } |
|
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10003 #endif |
|
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10004 |
| 159 | 10005 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 10006 { | |
| 10007 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 10008 buf->writestring(" ? "); | |
| 10009 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 10010 buf->writestring(" : "); | |
| 10011 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 10012 } | |
| 10013 | |
|
599
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|
10014 /************************************************************/ |
|
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|
10015 |
|
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|
10016 #if IN_LLVM |
|
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|
10017 |
|
664
eef8ac26c66c
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|
10018 // Strictly LDC specific stuff |
|
599
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10019 |
|
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|
10020 GEPExp::GEPExp(Loc loc, Expression* e, Identifier* id, unsigned idx) |
|
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10021 : UnaExp(loc, TOKgep, sizeof(GEPExp), e) |
|
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|
10022 { |
|
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10023 index = idx; |
|
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10024 ident = id; |
|
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10025 } |
|
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|
10026 |
|
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|
10027 void GEPExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
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|
10028 { |
|
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|
10029 expToCBuffer(buf, hgs, e1, PREC_primary); |
|
4435f57956e7
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|
10030 buf->writeByte('.'); |
|
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|
10031 buf->writestring(ident->toChars()); |
|
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|
10032 } |
|
4435f57956e7
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|
10033 |
|
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|
10034 Expression* GEPExp::toLvalue(Scope* sc, Expression* e) |
|
4435f57956e7
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|
10035 { |
|
4435f57956e7
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|
10036 // GEP's are always lvalues, at least in the "LLVM sense" ... |
|
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|
10037 return this; |
|
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|
10038 } |
|
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changeset
|
10039 |
|
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|
10040 #endif |