Mercurial > projects > ldc
annotate dmd/expression.c @ 1619:c61782a76dff
Merge DMD r304: refactor invariant => immutable
---
dmd/cast.c | 2 +-
dmd/declaration.c | 2 +-
dmd/declaration.h | 3 +--
dmd/doc.c | 2 +-
dmd/expression.c | 6 +++---
dmd/interpret.c | 4 ++--
dmd/mtype.c | 2 +-
dmd/mtype.h | 2 +-
dmd/parse.c | 4 ++--
dmd/struct.c | 2 +-
10 files changed, 14 insertions(+), 15 deletions(-)
| author | Leandro Lucarella <llucax@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2010 15:18:22 -0300 |
| parents | a87f1d6ff48e |
| children | fb2e6707ad17 |
| 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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diff
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|
627 * 4. add hidden _arguments[] argument |
| 159 | 628 */ |
| 629 | |
|
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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; | |
|
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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); |
|
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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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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
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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>
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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
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diff
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|
729 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
730 ae->op = TOKconstruct; |
|
330f999ade44
Merged DMD 1.038
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846
diff
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|
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
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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 | |
|
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1190 void Expression::checkEscapeRef() |
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1191 { |
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1192 } |
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1193 |
| 159 | 1194 void Expression::checkScalar() |
| 1195 { | |
| 1196 if (!type->isscalar()) | |
| 1197 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1198 } | |
| 1199 | |
| 1200 void Expression::checkNoBool() | |
| 1201 { | |
| 1202 if (type->toBasetype()->ty == Tbool) | |
| 1203 error("operation not allowed on bool '%s'", toChars()); | |
| 1204 } | |
| 1205 | |
| 1206 Expression *Expression::checkIntegral() | |
| 1207 { | |
| 1208 if (!type->isintegral()) | |
| 1209 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
|
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1210 return new ErrorExp(); |
| 159 | 1211 } |
| 1212 return this; | |
| 1213 } | |
| 1214 | |
| 1215 Expression *Expression::checkArithmetic() | |
| 1216 { | |
| 1217 if (!type->isintegral() && !type->isfloating()) | |
| 1218 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
|
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1219 return new ErrorExp(); |
| 159 | 1220 } |
| 1221 return this; | |
| 1222 } | |
| 1223 | |
| 1224 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1225 { | |
| 1226 s->checkDeprecated(loc, sc); | |
| 1227 } | |
| 1228 | |
|
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1229 #if DMDV2 |
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1230 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1231 { |
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1232 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1233 error("pure function '%s' cannot call impure function '%s'\n", |
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1234 sc->func->toChars(), f->toChars()); |
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1235 } |
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1236 #endif |
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1237 |
| 159 | 1238 /******************************** |
| 1239 * Check for expressions that have no use. | |
| 1240 * Input: | |
| 1241 * flag 0 not going to use the result, so issue error message if no | |
| 1242 * side effects | |
| 1243 * 1 the result of the expression is used, but still check | |
| 1244 * for useless subexpressions | |
| 1245 * 2 do not issue error messages, just return !=0 if expression | |
| 1246 * has side effects | |
| 1247 */ | |
| 1248 | |
| 1249 int Expression::checkSideEffect(int flag) | |
| 1250 { | |
| 1251 if (flag == 0) | |
| 1252 { if (op == TOKimport) | |
| 1253 { | |
| 1254 error("%s has no effect", toChars()); | |
| 1255 } | |
| 1256 else | |
| 1257 error("%s has no effect in expression (%s)", | |
| 1258 Token::toChars(op), toChars()); | |
| 1259 } | |
| 1260 return 0; | |
| 1261 } | |
| 1262 | |
| 1263 /***************************** | |
| 1264 * Check that expression can be tested for true or false. | |
| 1265 */ | |
| 1266 | |
| 1267 Expression *Expression::checkToBoolean() | |
| 1268 { | |
| 1269 // Default is 'yes' - do nothing | |
| 1270 | |
| 1271 #ifdef DEBUG | |
| 1272 if (!type) | |
| 1273 dump(0); | |
| 1274 #endif | |
| 1275 | |
| 1276 if (!type->checkBoolean()) | |
| 1277 { | |
| 1278 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1279 } | |
| 1280 return this; | |
| 1281 } | |
| 1282 | |
| 1283 /**************************** | |
| 1284 */ | |
| 1285 | |
| 1286 Expression *Expression::checkToPointer() | |
| 1287 { | |
| 1288 Expression *e; | |
| 1289 Type *tb; | |
| 1290 | |
| 1291 //printf("Expression::checkToPointer()\n"); | |
| 1292 e = this; | |
| 1293 | |
| 1294 // If C static array, convert to pointer | |
| 1295 tb = type->toBasetype(); | |
| 1296 if (tb->ty == Tsarray) | |
| 1297 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1298 if (ts->size(loc) == 0) | |
| 1299 e = new NullExp(loc); | |
| 1300 else | |
| 1301 e = new AddrExp(loc, this); | |
| 336 | 1302 e->type = ts->next->pointerTo(); |
| 159 | 1303 } |
| 1304 return e; | |
| 1305 } | |
| 1306 | |
| 1307 /****************************** | |
| 1308 * Take address of expression. | |
| 1309 */ | |
| 1310 | |
| 1311 Expression *Expression::addressOf(Scope *sc) | |
| 1312 { | |
| 1313 Expression *e; | |
| 1314 | |
| 1315 //printf("Expression::addressOf()\n"); | |
| 1316 e = toLvalue(sc, NULL); | |
| 1317 e = new AddrExp(loc, e); | |
| 1318 e->type = type->pointerTo(); | |
| 1319 return e; | |
| 1320 } | |
| 1321 | |
| 1322 /****************************** | |
| 1323 * If this is a reference, dereference it. | |
| 1324 */ | |
| 1325 | |
| 1326 Expression *Expression::deref() | |
| 1327 { | |
| 1328 //printf("Expression::deref()\n"); | |
| 1587 | 1329 // type could be null if forward referencing an 'auto' variable |
| 1330 if (type && type->ty == Treference) | |
| 1331 { | |
| 1332 Expression *e = new PtrExp(loc, this); | |
| 336 | 1333 e->type = ((TypeReference *)type)->next; |
| 159 | 1334 return e; |
| 1335 } | |
| 1336 return this; | |
| 1337 } | |
| 1338 | |
| 1339 /******************************** | |
| 1340 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1341 */ | |
| 1342 | |
| 1343 int Expression::isBool(int result) | |
| 1344 { | |
| 1345 return FALSE; | |
| 1346 } | |
| 1347 | |
| 1348 /******************************** | |
| 1349 * Does this expression result in either a 1 or a 0? | |
| 1350 */ | |
| 1351 | |
| 1352 int Expression::isBit() | |
| 1353 { | |
| 1354 return FALSE; | |
| 1355 } | |
| 1356 | |
| 336 | 1357 /******************************** |
| 1358 * Can this expression throw an exception? | |
| 1359 * Valid only after semantic() pass. | |
| 1360 */ | |
| 1361 | |
| 1362 int Expression::canThrow() | |
| 1363 { | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1364 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1365 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1366 #else |
| 336 | 1367 return TRUE; |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1368 #endif |
| 336 | 1369 } |
| 1370 | |
| 1371 | |
| 1372 | |
| 159 | 1373 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1374 { Expressions *a = NULL; | |
| 1375 | |
| 1376 if (exps) | |
| 1377 { | |
| 1378 a = new Expressions(); | |
| 1379 a->setDim(exps->dim); | |
| 1380 for (int i = 0; i < a->dim; i++) | |
| 1381 { Expression *e = (Expression *)exps->data[i]; | |
| 1382 | |
| 1383 e = e->syntaxCopy(); | |
| 1384 a->data[i] = e; | |
| 1385 } | |
| 1386 } | |
| 1387 return a; | |
| 1388 } | |
| 1389 | |
| 1390 /******************************** IntegerExp **************************/ | |
| 1391 | |
|
1195
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Merged DMD 1.042.
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changeset
|
1392 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1393 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1394 { | |
| 1395 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1396 if (type && !type->isscalar()) | |
| 1397 { | |
| 336 | 1398 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1399 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1400 type = Type::terror; | |
| 1401 } | |
| 1402 this->type = type; | |
| 1403 this->value = value; | |
| 1404 } | |
| 1405 | |
|
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|
1406 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1407 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1408 { | |
| 1409 this->type = Type::tint32; | |
| 1410 this->value = value; | |
| 1411 } | |
| 1412 | |
| 1413 int IntegerExp::equals(Object *o) | |
| 1414 { IntegerExp *ne; | |
| 1415 | |
| 1416 if (this == o || | |
| 1417 (((Expression *)o)->op == TOKint64 && | |
| 1418 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1419 value == ne->value)) | |
| 1420 return 1; | |
| 1421 return 0; | |
| 1422 } | |
| 1423 | |
| 1424 char *IntegerExp::toChars() | |
| 1425 { | |
| 1426 #if 1 | |
| 1427 return Expression::toChars(); | |
| 1428 #else | |
| 1429 static char buffer[sizeof(value) * 3 + 1]; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1430 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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diff
changeset
|
1431 sprintf(buffer, "%jd", value); |
| 159 | 1432 return buffer; |
| 1433 #endif | |
| 1434 } | |
| 1435 | |
|
1195
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|
1436 dinteger_t IntegerExp::toInteger() |
| 159 | 1437 { Type *t; |
| 1438 | |
| 1439 t = type; | |
| 1440 while (t) | |
| 1441 { | |
| 1442 switch (t->ty) | |
| 1443 { | |
| 1444 case Tbit: | |
| 1445 case Tbool: value = (value != 0); break; | |
| 1446 case Tint8: value = (d_int8) value; break; | |
| 1447 case Tchar: | |
| 1448 case Tuns8: value = (d_uns8) value; break; | |
| 1449 case Tint16: value = (d_int16) value; break; | |
| 1450 case Twchar: | |
| 1451 case Tuns16: value = (d_uns16) value; break; | |
| 1452 case Tint32: value = (d_int32) value; break; | |
| 1453 case Tdchar: | |
| 1454 case Tuns32: value = (d_uns32) value; break; | |
| 1455 case Tint64: value = (d_int64) value; break; | |
| 1456 case Tuns64: value = (d_uns64) value; break; | |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1457 case Tpointer: |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1458 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1459 value = (d_uns32) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1460 else if (PTRSIZE == 8) |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1461 value = (d_uns64) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1462 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1463 assert(0); |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1464 break; |
| 159 | 1465 |
| 1466 case Tenum: | |
| 1467 { | |
| 1468 TypeEnum *te = (TypeEnum *)t; | |
| 1469 t = te->sym->memtype; | |
| 1470 continue; | |
| 1471 } | |
| 1472 | |
| 1473 case Ttypedef: | |
| 1474 { | |
| 1475 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1476 t = tt->sym->basetype; | |
| 1477 continue; | |
| 1478 } | |
| 1479 | |
| 1480 default: | |
| 336 | 1481 /* This can happen if errors, such as |
| 1482 * the type is painted on like in fromConstInitializer(). | |
| 1483 */ | |
| 1484 if (!global.errors) | |
| 1485 { type->print(); | |
| 1486 assert(0); | |
| 1487 } | |
| 159 | 1488 break; |
| 1489 } | |
| 1490 break; | |
| 1491 } | |
| 1492 return value; | |
| 1493 } | |
| 1494 | |
| 1495 real_t IntegerExp::toReal() | |
| 1496 { | |
| 1497 Type *t; | |
| 1498 | |
| 1499 toInteger(); | |
| 1500 t = type->toBasetype(); | |
| 1501 if (t->ty == Tuns64) | |
| 1502 return (real_t)(d_uns64)value; | |
| 1503 else | |
| 1504 return (real_t)(d_int64)value; | |
| 1505 } | |
| 1506 | |
| 1507 real_t IntegerExp::toImaginary() | |
| 1508 { | |
| 1509 return (real_t) 0; | |
| 1510 } | |
| 1511 | |
| 1512 complex_t IntegerExp::toComplex() | |
| 1513 { | |
| 1514 return toReal(); | |
| 1515 } | |
| 1516 | |
| 1517 int IntegerExp::isBool(int result) | |
| 1518 { | |
|
1616
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1519 int r = toInteger() != 0; |
|
c94049033c20
Merge DMD r296: bugzilla 3617 CTFE: wrong code for if(x) where x is int...
Leandro Lucarella <llucax@gmail.com>
parents:
1612
diff
changeset
|
1520 return result ? r : !r; |
| 159 | 1521 } |
| 1522 | |
| 1523 Expression *IntegerExp::semantic(Scope *sc) | |
| 1524 { | |
| 1525 if (!type) | |
| 1526 { | |
| 1527 // Determine what the type of this number is | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1528 dinteger_t number = value; |
| 159 | 1529 |
| 1530 if (number & 0x8000000000000000LL) | |
| 1531 type = Type::tuns64; | |
| 1532 else if (number & 0xFFFFFFFF80000000LL) | |
| 1533 type = Type::tint64; | |
| 1534 else | |
| 1535 type = Type::tint32; | |
| 1536 } | |
| 1537 else | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1538 { if (!type->deco) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1539 type = type->semantic(loc, sc); |
| 159 | 1540 } |
| 1541 return this; | |
| 1542 } | |
| 1543 | |
| 1544 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1545 { | |
| 1546 if (!e) | |
| 1547 e = this; | |
| 1548 else if (!loc.filename) | |
| 1549 loc = e->loc; | |
| 1550 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1551 return this; | |
| 1552 } | |
| 1553 | |
| 1554 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1555 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1556 dinteger_t v = toInteger(); |
| 159 | 1557 |
| 1558 if (type) | |
| 1559 { Type *t = type; | |
| 1560 | |
| 1561 L1: | |
| 1562 switch (t->ty) | |
| 1563 { | |
| 1564 case Tenum: | |
| 1565 { TypeEnum *te = (TypeEnum *)t; | |
| 1566 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1567 t = te->sym->memtype; | |
| 1568 goto L1; | |
| 1569 } | |
| 1570 | |
| 1571 case Ttypedef: | |
| 1572 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1573 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1574 t = tt->sym->basetype; | |
| 1575 goto L1; | |
| 1576 } | |
| 1577 | |
| 1578 case Twchar: // BUG: need to cast(wchar) | |
| 1579 case Tdchar: // BUG: need to cast(dchar) | |
| 1580 if ((uinteger_t)v > 0xFF) | |
| 1581 { | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
1582 buf->printf("'\\U%08x'", (unsigned)v); |
| 159 | 1583 break; |
| 1584 } | |
| 1585 case Tchar: | |
| 1586 if (v == '\'') | |
| 1587 buf->writestring("'\\''"); | |
| 1588 else if (isprint(v) && v != '\\') | |
| 1589 buf->printf("'%c'", (int)v); | |
| 1590 else | |
| 1591 buf->printf("'\\x%02x'", (int)v); | |
| 1592 break; | |
| 1593 | |
| 1594 case Tint8: | |
| 1595 buf->writestring("cast(byte)"); | |
| 1596 goto L2; | |
| 1597 | |
| 1598 case Tint16: | |
| 1599 buf->writestring("cast(short)"); | |
| 1600 goto L2; | |
| 1601 | |
| 1602 case Tint32: | |
| 1603 L2: | |
| 1604 buf->printf("%d", (int)v); | |
| 1605 break; | |
| 1606 | |
| 1607 case Tuns8: | |
| 1608 buf->writestring("cast(ubyte)"); | |
| 1609 goto L3; | |
| 1610 | |
| 1611 case Tuns16: | |
| 1612 buf->writestring("cast(ushort)"); | |
| 1613 goto L3; | |
| 1614 | |
| 1615 case Tuns32: | |
| 1616 L3: | |
| 1617 buf->printf("%du", (unsigned)v); | |
| 1618 break; | |
| 1619 | |
| 1620 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1621 buf->printf("%jdL", v); |
| 159 | 1622 break; |
| 1623 | |
| 1624 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1625 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1626 buf->printf("%juLU", v); |
| 159 | 1627 break; |
| 1628 | |
| 1629 case Tbit: | |
| 1630 case Tbool: | |
| 1631 buf->writestring((char *)(v ? "true" : "false")); | |
| 1632 break; | |
| 1633 | |
| 1634 case Tpointer: | |
| 1635 buf->writestring("cast("); | |
| 1636 buf->writestring(t->toChars()); | |
| 1637 buf->writeByte(')'); | |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1638 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1639 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1640 else if (PTRSIZE == 8) |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1641 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1642 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1643 assert(0); |
| 159 | 1644 |
| 1645 default: | |
| 336 | 1646 /* This can happen if errors, such as |
| 1647 * the type is painted on like in fromConstInitializer(). | |
| 1648 */ | |
| 1649 if (!global.errors) | |
| 1650 { | |
| 159 | 1651 #ifdef DEBUG |
| 336 | 1652 t->print(); |
| 159 | 1653 #endif |
| 336 | 1654 assert(0); |
| 1655 } | |
| 1656 break; | |
| 159 | 1657 } |
| 1658 } | |
| 1659 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1660 buf->printf("0x%jx", v); |
| 159 | 1661 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1662 buf->printf("%jd", v); |
| 159 | 1663 } |
| 1664 | |
| 1665 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1666 { | |
| 1667 if ((sinteger_t)value < 0) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1668 buf->printf("N%jd", -value); |
| 159 | 1669 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1670 buf->printf("%jd", value); |
| 159 | 1671 } |
| 1672 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1673 /******************************** ErrorExp **************************/ |
|
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 /* Use this expression for error recovery. |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
1676 * 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
|
1677 */ |
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1679 ErrorExp::ErrorExp() |
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1680 : IntegerExp(0, 0, Type::terror) |
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1681 { |
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1682 } |
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1683 |
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1684 void ErrorExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
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1685 { |
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1686 buf->writestring("__error"); |
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1688 |
| 159 | 1689 /******************************** RealExp **************************/ |
| 1690 | |
| 1691 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1692 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1693 { | |
| 1694 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1695 this->value = value; | |
| 1696 this->type = type; | |
| 1697 } | |
| 1698 | |
| 1699 char *RealExp::toChars() | |
| 1700 { | |
| 1701 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1702 | |
| 1703 #ifdef IN_GCC | |
| 1704 value.format(buffer, sizeof(buffer)); | |
| 1705 if (type->isimaginary()) | |
| 1706 strcat(buffer, "i"); | |
| 1707 #else | |
| 1708 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1709 #endif | |
| 1710 assert(strlen(buffer) < sizeof(buffer)); | |
| 1711 return mem.strdup(buffer); | |
| 1712 } | |
| 1713 | |
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1714 dinteger_t RealExp::toInteger() |
| 159 | 1715 { |
| 1716 #ifdef IN_GCC | |
| 1717 return toReal().toInt(); | |
| 1718 #else | |
| 1719 return (sinteger_t) toReal(); | |
| 1720 #endif | |
| 1721 } | |
| 1722 | |
| 1723 uinteger_t RealExp::toUInteger() | |
| 1724 { | |
| 1725 #ifdef IN_GCC | |
| 1726 return (uinteger_t) toReal().toInt(); | |
| 1727 #else | |
| 1728 return (uinteger_t) toReal(); | |
| 1729 #endif | |
| 1730 } | |
| 1731 | |
| 1732 real_t RealExp::toReal() | |
| 1733 { | |
| 1734 return type->isreal() ? value : 0; | |
| 1735 } | |
| 1736 | |
| 1737 real_t RealExp::toImaginary() | |
| 1738 { | |
| 1739 return type->isreal() ? 0 : value; | |
| 1740 } | |
| 1741 | |
| 1742 complex_t RealExp::toComplex() | |
| 1743 { | |
| 1744 #ifdef __DMC__ | |
| 1745 return toReal() + toImaginary() * I; | |
| 1746 #else | |
| 1747 return complex_t(toReal(), toImaginary()); | |
| 1748 #endif | |
| 1749 } | |
| 1750 | |
| 1751 /******************************** | |
| 1752 * Test to see if two reals are the same. | |
| 1753 * Regard NaN's as equivalent. | |
| 1754 * Regard +0 and -0 as different. | |
| 1755 */ | |
| 1756 | |
| 1757 int RealEquals(real_t x1, real_t x2) | |
| 1758 { | |
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1759 #if __APPLE__ |
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1760 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1761 #else |
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1762 return // special case nans |
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1763 (isnan(x1) && isnan(x2)) || |
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1764 #endif |
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1765 // and zero, in order to distinguish +0 from -0 |
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1766 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1767 // otherwise just compare |
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1768 (x1 != 0. && x1 == x2); |
| 159 | 1769 } |
| 1770 | |
| 1771 int RealExp::equals(Object *o) | |
| 1772 { RealExp *ne; | |
| 1773 | |
| 1774 if (this == o || | |
| 1775 (((Expression *)o)->op == TOKfloat64 && | |
| 1776 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1777 RealEquals(value, ne->value) | |
| 1778 ) | |
| 1779 ) | |
| 1780 return 1; | |
| 1781 return 0; | |
| 1782 } | |
| 1783 | |
| 1784 Expression *RealExp::semantic(Scope *sc) | |
| 1785 { | |
| 1786 if (!type) | |
| 1787 type = Type::tfloat64; | |
| 1788 else | |
| 1789 type = type->semantic(loc, sc); | |
| 1790 return this; | |
| 1791 } | |
| 1792 | |
| 1793 int RealExp::isBool(int result) | |
| 1794 { | |
| 1795 #ifdef IN_GCC | |
| 1796 return result ? (! value.isZero()) : (value.isZero()); | |
| 1797 #else | |
| 1798 return result ? (value != 0) | |
| 1799 : (value == 0); | |
| 1800 #endif | |
| 1801 } | |
| 1802 | |
| 1803 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1804 { | |
| 1805 /* In order to get an exact representation, try converting it | |
| 1806 * to decimal then back again. If it matches, use it. | |
| 1807 * If it doesn't, fall back to hex, which is | |
| 1808 * always exact. | |
| 1809 */ | |
| 1810 char buffer[25]; | |
| 1811 sprintf(buffer, "%Lg", value); | |
| 1812 assert(strlen(buffer) < sizeof(buffer)); | |
| 1813 #if _WIN32 && __DMC__ | |
| 1814 char *save = __locale_decpoint; | |
| 1815 __locale_decpoint = "."; | |
| 1816 real_t r = strtold(buffer, NULL); | |
| 1817 __locale_decpoint = save; | |
| 1818 #else | |
| 1819 real_t r = strtold(buffer, NULL); | |
| 1820 #endif | |
| 1821 if (r == value) // if exact duplication | |
| 1822 buf->writestring(buffer); | |
| 1823 else | |
| 1824 buf->printf("%La", value); // ensure exact duplication | |
| 1825 | |
| 1826 if (type) | |
| 1827 { | |
| 1828 Type *t = type->toBasetype(); | |
| 1829 switch (t->ty) | |
| 1830 { | |
| 1831 case Tfloat32: | |
| 1832 case Timaginary32: | |
| 1833 case Tcomplex32: | |
| 1834 buf->writeByte('F'); | |
| 1835 break; | |
| 1836 | |
| 1837 case Tfloat80: | |
| 1838 case Timaginary80: | |
| 1839 case Tcomplex80: | |
| 1840 buf->writeByte('L'); | |
| 1841 break; | |
| 1842 | |
| 1843 default: | |
| 1844 break; | |
| 1845 } | |
| 1846 if (t->isimaginary()) | |
| 1847 buf->writeByte('i'); | |
| 1848 } | |
| 1849 } | |
| 1850 | |
| 1851 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1852 { | |
| 1853 floatToBuffer(buf, type, value); | |
| 1854 } | |
| 1855 | |
| 1856 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1857 { | |
| 1858 /* Rely on %A to get portable mangling. | |
| 1859 * Must munge result to get only identifier characters. | |
| 1860 * | |
| 1861 * Possible values from %A => mangled result | |
| 1862 * NAN => NAN | |
| 1863 * -INF => NINF | |
| 1864 * INF => INF | |
| 1865 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1866 * 0X1.9P+2 => 19P2 | |
| 1867 */ | |
| 1868 | |
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1871 #else |
| 159 | 1872 if (isnan(value)) |
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1873 #endif |
| 159 | 1874 buf->writestring("NAN"); // no -NAN bugs |
| 1875 else | |
| 1876 { | |
| 1877 char buffer[32]; | |
| 1878 int n = sprintf(buffer, "%LA", value); | |
| 1879 assert(n > 0 && n < sizeof(buffer)); | |
| 1880 for (int i = 0; i < n; i++) | |
| 1881 { char c = buffer[i]; | |
| 1882 | |
| 1883 switch (c) | |
| 1884 { | |
| 1885 case '-': | |
| 1886 buf->writeByte('N'); | |
| 1887 break; | |
| 1888 | |
| 1889 case '+': | |
| 1890 case 'X': | |
| 1891 case '.': | |
| 1892 break; | |
| 1893 | |
| 1894 case '0': | |
| 1895 if (i < 2) | |
| 1896 break; // skip leading 0X | |
| 1897 default: | |
| 1898 buf->writeByte(c); | |
| 1899 break; | |
| 1900 } | |
| 1901 } | |
| 1902 } | |
| 1903 } | |
| 1904 | |
| 1905 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1906 { | |
| 1907 buf->writeByte('e'); | |
| 1908 realToMangleBuffer(buf, value); | |
| 1909 } | |
| 1910 | |
| 1911 | |
| 1912 /******************************** ComplexExp **************************/ | |
| 1913 | |
| 1914 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1915 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1916 { | |
| 1917 this->value = value; | |
| 1918 this->type = type; | |
| 1919 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1920 } | |
| 1921 | |
| 1922 char *ComplexExp::toChars() | |
| 1923 { | |
| 1924 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1925 | |
| 1926 #ifdef IN_GCC | |
| 1927 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1928 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1929 creall(value).format(buf1, sizeof(buf1)); | |
| 1930 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1931 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1932 #else | |
| 1933 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1934 assert(strlen(buffer) < sizeof(buffer)); | |
| 1935 #endif | |
| 1936 return mem.strdup(buffer); | |
| 1937 } | |
| 1938 | |
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1939 dinteger_t ComplexExp::toInteger() |
| 159 | 1940 { |
| 1941 #ifdef IN_GCC | |
| 1942 return (sinteger_t) toReal().toInt(); | |
| 1943 #else | |
| 1944 return (sinteger_t) toReal(); | |
| 1945 #endif | |
| 1946 } | |
| 1947 | |
| 1948 uinteger_t ComplexExp::toUInteger() | |
| 1949 { | |
| 1950 #ifdef IN_GCC | |
| 1951 return (uinteger_t) toReal().toInt(); | |
| 1952 #else | |
| 1953 return (uinteger_t) toReal(); | |
| 1954 #endif | |
| 1955 } | |
| 1956 | |
| 1957 real_t ComplexExp::toReal() | |
| 1958 { | |
| 1959 return creall(value); | |
| 1960 } | |
| 1961 | |
| 1962 real_t ComplexExp::toImaginary() | |
| 1963 { | |
| 1964 return cimagl(value); | |
| 1965 } | |
| 1966 | |
| 1967 complex_t ComplexExp::toComplex() | |
| 1968 { | |
| 1969 return value; | |
| 1970 } | |
| 1971 | |
| 1972 int ComplexExp::equals(Object *o) | |
| 1973 { ComplexExp *ne; | |
| 1974 | |
| 1975 if (this == o || | |
| 1976 (((Expression *)o)->op == TOKcomplex80 && | |
| 1977 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1978 RealEquals(creall(value), creall(ne->value)) && | |
| 1979 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1980 ) | |
| 1981 ) | |
| 1982 return 1; | |
| 1983 return 0; | |
| 1984 } | |
| 1985 | |
| 1986 Expression *ComplexExp::semantic(Scope *sc) | |
| 1987 { | |
| 1988 if (!type) | |
| 1989 type = Type::tcomplex80; | |
| 1990 else | |
| 1991 type = type->semantic(loc, sc); | |
| 1992 return this; | |
| 1993 } | |
| 1994 | |
| 1995 int ComplexExp::isBool(int result) | |
| 1996 { | |
| 1997 if (result) | |
| 1998 return (bool)(value); | |
| 1999 else | |
| 2000 return !value; | |
| 2001 } | |
| 2002 | |
| 2003 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2004 { | |
| 2005 /* Print as: | |
| 2006 * (re+imi) | |
| 2007 */ | |
| 2008 #ifdef IN_GCC | |
| 2009 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 2010 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 2011 creall(value).format(buf1, sizeof(buf1)); | |
| 2012 cimagl(value).format(buf2, sizeof(buf2)); | |
| 2013 buf->printf("(%s+%si)", buf1, buf2); | |
| 2014 #else | |
| 2015 buf->writeByte('('); | |
| 2016 floatToBuffer(buf, type, creall(value)); | |
| 2017 buf->writeByte('+'); | |
| 2018 floatToBuffer(buf, type, cimagl(value)); | |
| 2019 buf->writestring("i)"); | |
| 2020 #endif | |
| 2021 } | |
| 2022 | |
| 2023 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 2024 { | |
| 2025 buf->writeByte('c'); | |
| 2026 real_t r = toReal(); | |
| 2027 realToMangleBuffer(buf, r); | |
| 2028 buf->writeByte('c'); // separate the two | |
| 2029 r = toImaginary(); | |
| 2030 realToMangleBuffer(buf, r); | |
| 2031 } | |
| 2032 | |
| 2033 /******************************** IdentifierExp **************************/ | |
| 2034 | |
| 2035 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 2036 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 2037 { | |
| 2038 this->ident = ident; | |
| 2039 } | |
| 2040 | |
| 2041 Expression *IdentifierExp::semantic(Scope *sc) | |
| 2042 { | |
| 2043 Dsymbol *s; | |
| 2044 Dsymbol *scopesym; | |
| 2045 | |
| 2046 #if LOGSEMANTIC | |
| 2047 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 2048 #endif | |
| 2049 s = sc->search(loc, ident, &scopesym); | |
| 2050 if (s) | |
| 2051 { Expression *e; | |
| 2052 WithScopeSymbol *withsym; | |
| 2053 | |
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2054 /* See if the symbol was a member of an enclosing 'with' |
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2055 */ |
| 159 | 2056 withsym = scopesym->isWithScopeSymbol(); |
| 2057 if (withsym) | |
| 2058 { | |
| 2059 s = s->toAlias(); | |
| 2060 | |
| 2061 // Same as wthis.ident | |
| 2062 if (s->needThis() || s->isTemplateDeclaration()) | |
| 2063 { | |
| 2064 e = new VarExp(loc, withsym->withstate->wthis); | |
| 2065 e = new DotIdExp(loc, e, ident); | |
| 2066 } | |
| 2067 else | |
| 2068 { Type *t = withsym->withstate->wthis->type; | |
| 2069 if (t->ty == Tpointer) | |
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2070 t = ((TypePointer *)t)->next; |
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2071 e = typeDotIdExp(loc, t, ident); |
| 159 | 2072 } |
| 2073 } | |
| 2074 else | |
| 2075 { | |
| 2076 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 2077 { // Kludge to run semantic() here because | |
| 2078 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 2079 s->semantic(sc); | |
| 2080 } | |
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2081 /* If f is really a function template, |
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2082 * then replace f with the function template declaration. |
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2083 */ |
| 159 | 2084 FuncDeclaration *f = s->isFuncDeclaration(); |
| 2085 if (f && f->parent) | |
| 2086 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 2087 | |
| 2088 if (ti && | |
| 2089 !ti->isTemplateMixin() && | |
| 2090 (ti->name == f->ident || | |
| 2091 ti->toAlias()->ident == f->ident) | |
| 2092 && | |
| 2093 ti->tempdecl && ti->tempdecl->onemember) | |
| 2094 { | |
| 2095 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 2096 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 2097 tempdecl = tempdecl->overroot; // then get the start | |
| 2098 e = new TemplateExp(loc, tempdecl); | |
| 2099 e = e->semantic(sc); | |
| 2100 return e; | |
| 2101 } | |
| 2102 } | |
| 2103 e = new DsymbolExp(loc, s); | |
| 2104 } | |
| 2105 return e->semantic(sc); | |
| 2106 } | |
| 2107 error("undefined identifier %s", ident->toChars()); | |
| 2108 type = Type::terror; | |
| 2109 return this; | |
| 2110 } | |
| 2111 | |
| 2112 char *IdentifierExp::toChars() | |
| 2113 { | |
| 2114 return ident->toChars(); | |
| 2115 } | |
| 2116 | |
| 2117 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2118 { | |
| 2119 if (hgs->hdrgen) | |
| 2120 buf->writestring(ident->toHChars2()); | |
| 2121 else | |
| 2122 buf->writestring(ident->toChars()); | |
| 2123 } | |
| 2124 | |
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2125 #if DMDV2 |
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2126 int IdentifierExp::isLvalue() |
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2127 { |
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2128 return 1; |
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2129 } |
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2130 #endif |
|
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diff
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|
2131 |
| 159 | 2132 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2133 { | |
| 2134 #if 0 | |
| 2135 tym = tybasic(e1->ET->Tty); | |
| 2136 if (!(tyscalar(tym) || | |
| 2137 tym == TYstruct || | |
| 2138 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2139 synerr(EM_lvalue); // lvalue expected | |
| 2140 #endif | |
| 2141 return this; | |
| 2142 } | |
| 2143 | |
| 2144 /******************************** DollarExp **************************/ | |
| 2145 | |
| 2146 DollarExp::DollarExp(Loc loc) | |
| 2147 : IdentifierExp(loc, Id::dollar) | |
| 2148 { | |
| 2149 } | |
| 2150 | |
| 2151 /******************************** DsymbolExp **************************/ | |
| 2152 | |
| 2153 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2154 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2155 { | |
| 2156 this->s = s; | |
| 2157 } | |
| 2158 | |
| 2159 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2160 { | |
| 2161 #if LOGSEMANTIC | |
| 2162 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2163 #endif | |
| 2164 | |
| 2165 Lagain: | |
| 2166 EnumMember *em; | |
| 2167 Expression *e; | |
| 2168 VarDeclaration *v; | |
| 2169 FuncDeclaration *f; | |
| 2170 FuncLiteralDeclaration *fld; | |
| 2171 Declaration *d; | |
| 2172 ClassDeclaration *cd; | |
| 2173 ClassDeclaration *thiscd = NULL; | |
| 2174 Import *imp; | |
| 2175 Package *pkg; | |
| 2176 Type *t; | |
| 2177 | |
| 2178 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2179 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2180 if (type) | |
| 2181 return this; | |
| 2182 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2183 checkDeprecated(sc, s); | |
| 2184 s = s->toAlias(); | |
| 2185 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2186 if (!s->isFuncDeclaration()) | |
| 2187 checkDeprecated(sc, s); | |
| 2188 | |
| 2189 if (sc->func) | |
| 2190 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2191 | |
| 2192 // BUG: This should happen after overload resolution for functions, not before | |
| 2193 if (s->needThis()) | |
| 2194 { | |
|
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|
2195 if (hasThis(sc) |
|
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|
2196 #if DMDV2 |
|
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|
2197 && !s->isFuncDeclaration() |
|
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|
2198 #endif |
|
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diff
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|
2199 ) |
| 159 | 2200 { |
| 2201 // Supply an implicit 'this', as in | |
| 2202 // this.ident | |
| 2203 | |
| 2204 DotVarExp *de; | |
| 2205 | |
| 2206 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2207 return de->semantic(sc); | |
| 2208 } | |
| 2209 } | |
| 2210 | |
| 2211 em = s->isEnumMember(); | |
| 2212 if (em) | |
| 2213 { | |
| 2214 e = em->value->copy(); | |
| 2215 e = e->semantic(sc); | |
| 2216 return e; | |
| 2217 } | |
| 2218 v = s->isVarDeclaration(); | |
| 2219 if (v) | |
| 2220 { | |
| 2221 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2222 if (!type) | |
| 2223 { type = v->type; | |
| 2224 if (!v->type) | |
| 2225 { error("forward reference of %s", v->toChars()); | |
| 2226 type = Type::terror; | |
| 2227 } | |
| 2228 } | |
|
1499
df11cdec45a2
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Christian Kamm <kamm incasoftware de>
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1372
diff
changeset
|
2229 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray) |
| 159 | 2230 { |
| 2231 if (v->init) | |
| 2232 { | |
| 2233 if (v->inuse) | |
| 2234 { | |
| 2235 error("circular reference to '%s'", v->toChars()); | |
| 2236 type = Type::tint32; | |
| 2237 return this; | |
| 2238 } | |
| 2239 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2240 if (ei) | |
| 2241 { | |
| 2242 e = ei->exp->copy(); // make copy so we can change loc | |
| 2243 if (e->op == TOKstring || !e->type) | |
| 2244 e = e->semantic(sc); | |
| 2245 e = e->implicitCastTo(sc, type); | |
| 2246 e->loc = loc; | |
| 2247 return e; | |
| 2248 } | |
| 2249 } | |
| 2250 else | |
| 2251 { | |
| 2252 e = type->defaultInit(); | |
| 2253 e->loc = loc; | |
| 2254 return e; | |
| 2255 } | |
| 2256 } | |
| 2257 e = new VarExp(loc, v); | |
| 2258 e->type = type; | |
| 2259 e = e->semantic(sc); | |
| 2260 return e->deref(); | |
| 2261 } | |
| 2262 fld = s->isFuncLiteralDeclaration(); | |
| 2263 if (fld) | |
| 2264 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2265 e = new FuncExp(loc, fld); | |
| 2266 return e->semantic(sc); | |
| 2267 } | |
| 2268 f = s->isFuncDeclaration(); | |
| 2269 if (f) | |
| 2270 { //printf("'%s' is a function\n", f->toChars()); | |
| 1587 | 2271 if (!f->type->deco) |
| 2272 { | |
| 2273 error("forward reference to %s", toChars()); | |
|
1612
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Leandro Lucarella <llucax@gmail.com>
parents:
1611
diff
changeset
|
2274 return new ErrorExp(); |
| 1587 | 2275 } |
| 159 | 2276 return new VarExp(loc, f); |
| 2277 } | |
| 2278 cd = s->isClassDeclaration(); | |
| 2279 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2280 { | |
| 2281 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2282 DotTypeExp *dte; | |
| 2283 | |
| 2284 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2285 return dte->semantic(sc); | |
| 2286 } | |
| 2287 imp = s->isImport(); | |
| 2288 if (imp) | |
| 2289 { | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
2290 if (!imp->pkg) |
|
e961851fb8be
Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2291 { error("forward reference of import %s", imp->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
2292 return this; |
|
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Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2293 } |
|
e961851fb8be
Merged DMD 1.042.
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parents:
1168
diff
changeset
|
2294 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2295 return ie->semantic(sc); |
| 2296 } | |
| 2297 pkg = s->isPackage(); | |
| 2298 if (pkg) | |
| 2299 { | |
| 2300 ScopeExp *ie; | |
| 2301 | |
| 2302 ie = new ScopeExp(loc, pkg); | |
| 2303 return ie->semantic(sc); | |
| 2304 } | |
| 2305 Module *mod = s->isModule(); | |
| 2306 if (mod) | |
| 2307 { | |
| 2308 ScopeExp *ie; | |
| 2309 | |
| 2310 ie = new ScopeExp(loc, mod); | |
| 2311 return ie->semantic(sc); | |
| 2312 } | |
| 2313 | |
| 2314 t = s->getType(); | |
| 2315 if (t) | |
| 2316 { | |
| 2317 return new TypeExp(loc, t); | |
| 2318 } | |
| 2319 | |
| 2320 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2321 if (tup) | |
| 2322 { | |
| 2323 e = new TupleExp(loc, tup); | |
| 2324 e = e->semantic(sc); | |
| 2325 return e; | |
| 2326 } | |
| 2327 | |
| 2328 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2329 if (ti && !global.errors) | |
| 1587 | 2330 { if (!ti->semanticRun) |
| 159 | 2331 ti->semantic(sc); |
| 2332 s = ti->inst->toAlias(); | |
| 2333 if (!s->isTemplateInstance()) | |
| 2334 goto Lagain; | |
| 2335 e = new ScopeExp(loc, ti); | |
| 2336 e = e->semantic(sc); | |
| 2337 return e; | |
| 2338 } | |
| 2339 | |
| 2340 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2341 if (td) | |
| 2342 { | |
| 2343 e = new TemplateExp(loc, td); | |
| 2344 e = e->semantic(sc); | |
| 2345 return e; | |
| 2346 } | |
| 2347 | |
| 2348 Lerr: | |
| 2349 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2350 type = Type::terror; | |
| 2351 return this; | |
| 2352 } | |
| 2353 | |
| 2354 char *DsymbolExp::toChars() | |
| 2355 { | |
| 2356 return s->toChars(); | |
| 2357 } | |
| 2358 | |
| 2359 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2360 { | |
| 2361 buf->writestring(s->toChars()); | |
| 2362 } | |
| 2363 | |
|
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diff
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|
2364 #if DMDV2 |
|
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diff
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|
2365 int DsymbolExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
2366 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2367 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2368 } |
|
330f999ade44
Merged DMD 1.038
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diff
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|
2369 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2370 |
| 159 | 2371 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2372 { | |
| 2373 #if 0 | |
| 2374 tym = tybasic(e1->ET->Tty); | |
| 2375 if (!(tyscalar(tym) || | |
| 2376 tym == TYstruct || | |
| 2377 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2378 synerr(EM_lvalue); // lvalue expected | |
| 2379 #endif | |
| 2380 return this; | |
| 2381 } | |
| 2382 | |
| 2383 /******************************** ThisExp **************************/ | |
| 2384 | |
| 2385 ThisExp::ThisExp(Loc loc) | |
| 2386 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2387 { | |
| 2388 var = NULL; | |
| 2389 } | |
| 2390 | |
| 2391 Expression *ThisExp::semantic(Scope *sc) | |
| 2392 { FuncDeclaration *fd; | |
| 2393 FuncDeclaration *fdthis; | |
| 2394 int nested = 0; | |
| 2395 | |
| 2396 #if LOGSEMANTIC | |
| 2397 printf("ThisExp::semantic()\n"); | |
| 2398 #endif | |
| 2399 if (type) | |
| 2400 { //assert(global.errors || var); | |
| 2401 return this; | |
| 2402 } | |
| 2403 | |
| 2404 /* Special case for typeof(this) and typeof(super) since both | |
| 2405 * should work even if they are not inside a non-static member function | |
| 2406 */ | |
| 2407 if (sc->intypeof) | |
| 2408 { | |
| 2409 // Find enclosing struct or class | |
| 2410 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2411 { | |
| 2412 ClassDeclaration *cd; | |
| 2413 StructDeclaration *sd; | |
| 2414 | |
| 2415 if (!s) | |
| 2416 { | |
| 2417 error("%s is not in a struct or class scope", toChars()); | |
| 2418 goto Lerr; | |
| 2419 } | |
| 2420 cd = s->isClassDeclaration(); | |
| 2421 if (cd) | |
| 2422 { | |
| 2423 type = cd->type; | |
| 2424 return this; | |
| 2425 } | |
| 2426 sd = s->isStructDeclaration(); | |
| 2427 if (sd) | |
| 2428 { | |
| 2429 type = sd->type->pointerTo(); | |
| 2430 return this; | |
| 2431 } | |
| 2432 } | |
| 2433 } | |
| 2434 | |
| 2435 fdthis = sc->parent->isFuncDeclaration(); | |
| 2436 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2437 if (!fd) | |
| 2438 goto Lerr; | |
| 2439 | |
| 2440 assert(fd->vthis); | |
| 2441 var = fd->vthis; | |
| 2442 assert(var->parent); | |
| 2443 type = var->type; | |
| 2444 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2445 #if 0 | |
| 2446 if (fd != fdthis) // if nested | |
| 2447 { | |
| 2448 fdthis->getLevel(loc, fd); | |
| 2449 fd->vthis->nestedref = 1; | |
| 2450 fd->nestedFrameRef = 1; | |
| 2451 } | |
| 2452 #endif | |
| 336 | 2453 if (!sc->intypeof) |
| 2454 sc->callSuper |= CSXthis; | |
| 159 | 2455 return this; |
| 2456 | |
| 2457 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
|
2458 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
|
2459 type = Type::terror; |
| 159 | 2460 return this; |
| 2461 } | |
| 2462 | |
| 2463 int ThisExp::isBool(int result) | |
| 2464 { | |
| 2465 return result ? TRUE : FALSE; | |
| 2466 } | |
| 2467 | |
| 2468 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2469 { | |
| 2470 buf->writestring("this"); | |
| 2471 } | |
| 2472 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
2473 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2474 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2475 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2476 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2477 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2478 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2479 |
| 159 | 2480 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2481 { | |
| 2482 return this; | |
| 2483 } | |
| 2484 | |
| 2485 /******************************** SuperExp **************************/ | |
| 2486 | |
| 2487 SuperExp::SuperExp(Loc loc) | |
| 2488 : ThisExp(loc) | |
| 2489 { | |
| 2490 op = TOKsuper; | |
| 2491 } | |
| 2492 | |
| 2493 Expression *SuperExp::semantic(Scope *sc) | |
| 2494 { FuncDeclaration *fd; | |
| 2495 FuncDeclaration *fdthis; | |
| 2496 ClassDeclaration *cd; | |
| 2497 Dsymbol *s; | |
| 2498 | |
| 2499 #if LOGSEMANTIC | |
| 2500 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2501 #endif | |
| 2502 if (type) | |
| 2503 return this; | |
| 2504 | |
| 2505 /* Special case for typeof(this) and typeof(super) since both | |
| 2506 * should work even if they are not inside a non-static member function | |
| 2507 */ | |
| 2508 if (sc->intypeof) | |
| 2509 { | |
| 2510 // Find enclosing class | |
| 2511 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2512 { | |
| 2513 ClassDeclaration *cd; | |
| 2514 | |
| 2515 if (!s) | |
| 2516 { | |
| 2517 error("%s is not in a class scope", toChars()); | |
| 2518 goto Lerr; | |
| 2519 } | |
| 2520 cd = s->isClassDeclaration(); | |
| 2521 if (cd) | |
| 2522 { | |
| 2523 cd = cd->baseClass; | |
| 2524 if (!cd) | |
| 2525 { error("class %s has no 'super'", s->toChars()); | |
| 2526 goto Lerr; | |
| 2527 } | |
| 2528 type = cd->type; | |
| 2529 return this; | |
| 2530 } | |
| 2531 } | |
| 2532 } | |
| 2533 | |
| 2534 fdthis = sc->parent->isFuncDeclaration(); | |
| 2535 fd = hasThis(sc); | |
| 2536 if (!fd) | |
| 2537 goto Lerr; | |
| 2538 assert(fd->vthis); | |
| 2539 var = fd->vthis; | |
| 2540 assert(var->parent); | |
| 2541 | |
| 2542 s = fd->toParent(); | |
| 2543 while (s && s->isTemplateInstance()) | |
| 2544 s = s->toParent(); | |
| 2545 assert(s); | |
| 2546 cd = s->isClassDeclaration(); | |
| 2547 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2548 if (!cd) | |
| 2549 goto Lerr; | |
| 2550 if (!cd->baseClass) | |
| 2551 { | |
| 2552 error("no base class for %s", cd->toChars()); | |
| 2553 type = fd->vthis->type; | |
| 2554 } | |
| 2555 else | |
| 2556 { | |
| 2557 type = cd->baseClass->type; | |
| 2558 } | |
| 2559 | |
| 2560 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2561 #if 0 | |
| 2562 if (fd != fdthis) | |
| 2563 { | |
| 2564 fdthis->getLevel(loc, fd); | |
| 2565 fd->vthis->nestedref = 1; | |
| 2566 fd->nestedFrameRef = 1; | |
| 2567 } | |
| 2568 #endif | |
| 2569 | |
| 336 | 2570 if (!sc->intypeof) |
| 2571 sc->callSuper |= CSXsuper; | |
| 159 | 2572 return this; |
| 2573 | |
| 2574 | |
| 2575 Lerr: | |
| 2576 error("'super' is only allowed in non-static class member functions"); | |
| 2577 type = Type::tint32; | |
| 2578 return this; | |
| 2579 } | |
| 2580 | |
| 2581 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2582 { | |
| 2583 buf->writestring("super"); | |
| 2584 } | |
| 2585 | |
| 2586 | |
| 2587 /******************************** NullExp **************************/ | |
| 2588 | |
| 2589 NullExp::NullExp(Loc loc) | |
| 2590 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2591 { | |
| 2592 committed = 0; | |
| 2593 } | |
| 2594 | |
| 2595 Expression *NullExp::semantic(Scope *sc) | |
| 2596 { | |
| 2597 #if LOGSEMANTIC | |
| 2598 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2599 #endif | |
| 2600 // NULL is the same as (void *)0 | |
| 2601 if (!type) | |
| 2602 type = Type::tvoid->pointerTo(); | |
| 2603 return this; | |
| 2604 } | |
| 2605 | |
| 2606 int NullExp::isBool(int result) | |
| 2607 { | |
| 2608 return result ? FALSE : TRUE; | |
| 2609 } | |
| 2610 | |
| 2611 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2612 { | |
| 2613 buf->writestring("null"); | |
| 2614 } | |
| 2615 | |
| 2616 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2617 { | |
| 2618 buf->writeByte('n'); | |
| 2619 } | |
| 2620 | |
| 2621 /******************************** StringExp **************************/ | |
| 2622 | |
| 2623 StringExp::StringExp(Loc loc, char *string) | |
| 2624 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2625 { | |
| 2626 this->string = string; | |
| 2627 this->len = strlen(string); | |
| 2628 this->sz = 1; | |
| 2629 this->committed = 0; | |
| 2630 this->postfix = 0; | |
| 2631 } | |
| 2632 | |
| 2633 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2634 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2635 { | |
| 2636 this->string = string; | |
| 2637 this->len = len; | |
| 2638 this->sz = 1; | |
| 2639 this->committed = 0; | |
| 2640 this->postfix = 0; | |
| 2641 } | |
| 2642 | |
| 2643 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2644 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2645 { | |
| 2646 this->string = string; | |
| 2647 this->len = len; | |
| 2648 this->sz = 1; | |
| 2649 this->committed = 0; | |
| 2650 this->postfix = postfix; | |
| 2651 } | |
| 2652 | |
| 2653 #if 0 | |
| 2654 Expression *StringExp::syntaxCopy() | |
| 2655 { | |
| 2656 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2657 return copy(); | |
| 2658 } | |
| 2659 #endif | |
| 2660 | |
| 2661 int StringExp::equals(Object *o) | |
| 2662 { | |
| 2663 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2664 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2665 { Expression *e = (Expression *)o; | |
| 2666 | |
| 2667 if (e->op == TOKstring) | |
| 2668 { | |
| 2669 return compare(o) == 0; | |
| 2670 } | |
| 2671 } | |
| 2672 return FALSE; | |
| 2673 } | |
| 2674 | |
| 2675 char *StringExp::toChars() | |
| 2676 { | |
| 2677 OutBuffer buf; | |
| 2678 HdrGenState hgs; | |
| 2679 char *p; | |
| 2680 | |
| 2681 memset(&hgs, 0, sizeof(hgs)); | |
| 2682 toCBuffer(&buf, &hgs); | |
| 2683 buf.writeByte(0); | |
| 2684 p = (char *)buf.data; | |
| 2685 buf.data = NULL; | |
| 2686 return p; | |
| 2687 } | |
| 2688 | |
| 2689 Expression *StringExp::semantic(Scope *sc) | |
| 2690 { | |
| 2691 #if LOGSEMANTIC | |
| 2692 printf("StringExp::semantic() %s\n", toChars()); | |
| 2693 #endif | |
| 2694 if (!type) | |
| 2695 { OutBuffer buffer; | |
| 2696 size_t newlen = 0; | |
|
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846
diff
changeset
|
2697 const char *p; |
| 159 | 2698 size_t u; |
| 2699 unsigned c; | |
| 2700 | |
| 2701 switch (postfix) | |
| 2702 { | |
| 2703 case 'd': | |
| 2704 for (u = 0; u < len;) | |
| 2705 { | |
| 2706 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2707 if (p) | |
| 2708 { error("%s", p); | |
| 2709 break; | |
| 2710 } | |
| 2711 else | |
| 2712 { buffer.write4(c); | |
| 2713 newlen++; | |
| 2714 } | |
| 2715 } | |
| 2716 buffer.write4(0); | |
| 2717 string = buffer.extractData(); | |
| 2718 len = newlen; | |
| 2719 sz = 4; | |
| 2720 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2721 committed = 1; | |
| 2722 break; | |
| 2723 | |
| 2724 case 'w': | |
| 2725 for (u = 0; u < len;) | |
| 2726 { | |
| 2727 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2728 if (p) | |
| 2729 { error("%s", p); | |
| 2730 break; | |
| 2731 } | |
| 2732 else | |
| 2733 { buffer.writeUTF16(c); | |
| 2734 newlen++; | |
| 2735 if (c >= 0x10000) | |
| 2736 newlen++; | |
| 2737 } | |
| 2738 } | |
| 2739 buffer.writeUTF16(0); | |
| 2740 string = buffer.extractData(); | |
| 2741 len = newlen; | |
| 2742 sz = 2; | |
| 2743 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2744 committed = 1; | |
| 2745 break; | |
| 2746 | |
| 2747 case 'c': | |
| 2748 committed = 1; | |
| 2749 default: | |
| 2750 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2751 break; | |
| 2752 } | |
| 2753 type = type->semantic(loc, sc); | |
| 2754 } | |
| 2755 return this; | |
| 2756 } | |
| 2757 | |
| 2758 /**************************************** | |
| 2759 * Convert string to char[]. | |
| 2760 */ | |
| 2761 | |
| 2762 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2763 { | |
| 2764 if (sz != 1) | |
| 2765 { // Convert to UTF-8 string | |
| 2766 committed = 0; | |
| 2767 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2768 e = e->optimize(WANTvalue); | |
| 2769 assert(e->op == TOKstring); | |
| 2770 StringExp *se = (StringExp *)e; | |
| 2771 assert(se->sz == 1); | |
| 2772 return se; | |
| 2773 } | |
| 2774 return this; | |
| 2775 } | |
| 2776 | |
| 2777 int StringExp::compare(Object *obj) | |
| 2778 { | |
| 2779 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2780 StringExp *se2 = (StringExp *)(obj); | |
| 2781 | |
| 2782 // This is a kludge so isExpression() in template.c will return 5 | |
| 2783 // for StringExp's. | |
| 2784 if (!se2) | |
| 2785 return 5; | |
| 2786 | |
| 2787 assert(se2->op == TOKstring); | |
| 2788 | |
| 2789 int len1 = len; | |
| 2790 int len2 = se2->len; | |
| 2791 | |
| 2792 if (len1 == len2) | |
| 2793 { | |
| 2794 switch (sz) | |
| 2795 { | |
| 2796 case 1: | |
| 2797 return strcmp((char *)string, (char *)se2->string); | |
| 2798 | |
| 2799 case 2: | |
| 2800 { unsigned u; | |
| 2801 d_wchar *s1 = (d_wchar *)string; | |
| 2802 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2803 | |
| 2804 for (u = 0; u < len; u++) | |
| 2805 { | |
| 2806 if (s1[u] != s2[u]) | |
| 2807 return s1[u] - s2[u]; | |
| 2808 } | |
| 2809 } | |
| 2810 | |
| 2811 case 4: | |
| 2812 { unsigned u; | |
| 2813 d_dchar *s1 = (d_dchar *)string; | |
| 2814 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2815 | |
| 2816 for (u = 0; u < len; u++) | |
| 2817 { | |
| 2818 if (s1[u] != s2[u]) | |
| 2819 return s1[u] - s2[u]; | |
| 2820 } | |
| 2821 } | |
| 2822 break; | |
| 2823 | |
| 2824 default: | |
| 2825 assert(0); | |
| 2826 } | |
| 2827 } | |
| 2828 return len1 - len2; | |
| 2829 } | |
| 2830 | |
| 2831 int StringExp::isBool(int result) | |
| 2832 { | |
| 2833 return result ? TRUE : FALSE; | |
| 2834 } | |
| 2835 | |
| 2836 unsigned StringExp::charAt(size_t i) | |
| 2837 { unsigned value; | |
| 2838 | |
| 2839 switch (sz) | |
| 2840 { | |
| 2841 case 1: | |
| 2842 value = ((unsigned char *)string)[i]; | |
| 2843 break; | |
| 2844 | |
| 2845 case 2: | |
| 2846 value = ((unsigned short *)string)[i]; | |
| 2847 break; | |
| 2848 | |
| 2849 case 4: | |
| 2850 value = ((unsigned int *)string)[i]; | |
| 2851 break; | |
| 2852 | |
| 2853 default: | |
| 2854 assert(0); | |
| 2855 break; | |
| 2856 } | |
| 2857 return value; | |
| 2858 } | |
| 2859 | |
| 2860 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2861 { | |
| 2862 buf->writeByte('"'); | |
| 2863 for (size_t i = 0; i < len; i++) | |
| 2864 { unsigned c = charAt(i); | |
| 2865 | |
| 2866 switch (c) | |
| 2867 { | |
| 2868 case '"': | |
| 2869 case '\\': | |
| 2870 if (!hgs->console) | |
| 2871 buf->writeByte('\\'); | |
| 2872 default: | |
| 2873 if (c <= 0xFF) | |
| 2874 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2875 buf->writeByte(c); | |
| 2876 else | |
| 2877 buf->printf("\\x%02x", c); | |
| 2878 } | |
| 2879 else if (c <= 0xFFFF) | |
| 2880 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2881 else | |
| 2882 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2883 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2884 break; | |
| 2885 } | |
| 2886 } | |
| 2887 buf->writeByte('"'); | |
| 2888 if (postfix) | |
| 2889 buf->writeByte(postfix); | |
| 2890 } | |
| 2891 | |
| 2892 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2893 { char m; | |
| 2894 OutBuffer tmp; | |
|
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parents:
846
diff
changeset
|
2895 const char *p; |
| 159 | 2896 unsigned c; |
| 2897 size_t u; | |
| 2898 unsigned char *q; | |
| 2899 unsigned qlen; | |
| 2900 | |
| 2901 /* Write string in UTF-8 format | |
| 2902 */ | |
| 2903 switch (sz) | |
| 2904 { case 1: | |
| 2905 m = 'a'; | |
| 2906 q = (unsigned char *)string; | |
| 2907 qlen = len; | |
| 2908 break; | |
| 2909 case 2: | |
| 2910 m = 'w'; | |
| 2911 for (u = 0; u < len; ) | |
| 2912 { | |
| 2913 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2914 if (p) | |
| 2915 error("%s", p); | |
| 2916 else | |
| 2917 tmp.writeUTF8(c); | |
| 2918 } | |
| 2919 q = tmp.data; | |
| 2920 qlen = tmp.offset; | |
| 2921 break; | |
| 2922 case 4: | |
| 2923 m = 'd'; | |
| 2924 for (u = 0; u < len; u++) | |
| 2925 { | |
| 2926 c = ((unsigned *)string)[u]; | |
| 2927 if (!utf_isValidDchar(c)) | |
| 2928 error("invalid UCS-32 char \\U%08x", c); | |
| 2929 else | |
| 2930 tmp.writeUTF8(c); | |
| 2931 } | |
| 2932 q = tmp.data; | |
| 2933 qlen = tmp.offset; | |
| 2934 break; | |
| 2935 default: | |
| 2936 assert(0); | |
| 2937 } | |
| 2938 buf->writeByte(m); | |
| 2939 buf->printf("%d_", qlen); | |
| 2940 for (size_t i = 0; i < qlen; i++) | |
| 2941 buf->printf("%02x", q[i]); | |
| 2942 } | |
| 2943 | |
| 2944 /************************ ArrayLiteralExp ************************************/ | |
| 2945 | |
| 2946 // [ e1, e2, e3, ... ] | |
| 2947 | |
| 2948 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2949 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2950 { | |
| 2951 this->elements = elements; | |
| 2952 } | |
| 2953 | |
| 2954 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2955 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2956 { | |
| 2957 elements = new Expressions; | |
| 2958 elements->push(e); | |
| 2959 } | |
| 2960 | |
| 2961 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2962 { | |
| 2963 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2964 } | |
| 2965 | |
| 2966 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2967 { Expression *e; | |
| 2968 Type *t0 = NULL; | |
| 2969 | |
| 2970 #if LOGSEMANTIC | |
| 2971 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2972 #endif | |
| 2973 if (type) | |
| 2974 return this; | |
| 2975 | |
| 2976 // Run semantic() on each element | |
| 2977 for (int i = 0; i < elements->dim; i++) | |
| 2978 { e = (Expression *)elements->data[i]; | |
| 2979 e = e->semantic(sc); | |
| 2980 elements->data[i] = (void *)e; | |
| 2981 } | |
| 2982 expandTuples(elements); | |
| 2983 for (int i = 0; i < elements->dim; i++) | |
| 2984 { e = (Expression *)elements->data[i]; | |
| 2985 | |
| 2986 if (!e->type) | |
| 2987 error("%s has no value", e->toChars()); | |
| 2988 e = resolveProperties(sc, e); | |
| 2989 | |
| 2990 unsigned char committed = 1; | |
| 2991 if (e->op == TOKstring) | |
| 2992 committed = ((StringExp *)e)->committed; | |
| 2993 | |
| 2994 if (!t0) | |
| 2995 { t0 = e->type; | |
| 2996 // Convert any static arrays to dynamic arrays | |
| 2997 if (t0->ty == Tsarray) | |
| 2998 { | |
|
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486
diff
changeset
|
2999 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 3000 e = e->implicitCastTo(sc, t0); |
| 3001 } | |
| 3002 } | |
| 3003 else | |
| 3004 e = e->implicitCastTo(sc, t0); | |
| 3005 if (!committed && e->op == TOKstring) | |
| 3006 { StringExp *se = (StringExp *)e; | |
| 3007 se->committed = 0; | |
| 3008 } | |
| 3009 elements->data[i] = (void *)e; | |
| 3010 } | |
| 3011 | |
| 3012 if (!t0) | |
| 3013 t0 = Type::tvoid; | |
| 3014 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 3015 type = type->semantic(loc, sc); | |
| 3016 return this; | |
| 3017 } | |
| 3018 | |
| 3019 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 3020 { int f = 0; | |
| 3021 | |
| 3022 for (size_t i = 0; i < elements->dim; i++) | |
| 3023 { Expression *e = (Expression *)elements->data[i]; | |
| 3024 | |
| 3025 f |= e->checkSideEffect(2); | |
| 3026 } | |
| 3027 if (flag == 0 && f == 0) | |
| 3028 Expression::checkSideEffect(0); | |
| 3029 return f; | |
| 3030 } | |
| 3031 | |
| 3032 int ArrayLiteralExp::isBool(int result) | |
| 3033 { | |
| 3034 size_t dim = elements ? elements->dim : 0; | |
| 3035 return result ? (dim != 0) : (dim == 0); | |
| 3036 } | |
| 3037 | |
|
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|
3038 #if DMDV2 |
|
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|
3039 int ArrayLiteralExp::canThrow() |
|
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diff
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|
3040 { |
|
330f999ade44
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diff
changeset
|
3041 return 1; // because it can fail allocating memory |
|
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parents:
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diff
changeset
|
3042 } |
|
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diff
changeset
|
3043 #endif |
|
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diff
changeset
|
3044 |
| 159 | 3045 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3046 { | |
| 3047 buf->writeByte('['); | |
| 3048 argsToCBuffer(buf, elements, hgs); | |
| 3049 buf->writeByte(']'); | |
| 3050 } | |
| 3051 | |
| 3052 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3053 { | |
| 3054 size_t dim = elements ? elements->dim : 0; | |
|
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parents:
1367
diff
changeset
|
3055 buf->printf("A%zu", dim); |
| 159 | 3056 for (size_t i = 0; i < dim; i++) |
| 3057 { Expression *e = (Expression *)elements->data[i]; | |
| 3058 e->toMangleBuffer(buf); | |
| 3059 } | |
| 3060 } | |
| 3061 | |
| 3062 /************************ AssocArrayLiteralExp ************************************/ | |
| 3063 | |
| 3064 // [ key0 : value0, key1 : value1, ... ] | |
| 3065 | |
| 3066 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 3067 Expressions *keys, Expressions *values) | |
| 3068 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 3069 { | |
| 3070 assert(keys->dim == values->dim); | |
| 3071 this->keys = keys; | |
| 3072 this->values = values; | |
| 3073 } | |
| 3074 | |
| 3075 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 3076 { | |
| 3077 return new AssocArrayLiteralExp(loc, | |
| 3078 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 3079 } | |
| 3080 | |
| 3081 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 3082 { Expression *e; | |
| 3083 | |
| 3084 #if LOGSEMANTIC | |
| 3085 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 3086 #endif | |
| 3087 | |
| 3088 // Run semantic() on each element | |
|
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parents:
1587
diff
changeset
|
3089 arrayExpressionSemantic(keys, sc); |
|
2afcaab30a6a
Merge DMD r250: harmonize
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parents:
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diff
changeset
|
3090 arrayExpressionSemantic(values, sc); |
| 159 | 3091 expandTuples(keys); |
| 3092 expandTuples(values); | |
| 3093 if (keys->dim != values->dim) | |
| 3094 { | |
| 3095 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 3096 keys->setDim(0); | |
| 3097 values->setDim(0); | |
| 3098 } | |
|
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|
3099 |
|
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|
3100 Type *tkey = NULL; |
|
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parents:
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diff
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|
3101 Type *tvalue = NULL; |
|
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parents:
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diff
changeset
|
3102 keys = arrayExpressionToCommonType(sc, keys, &tkey); |
|
2afcaab30a6a
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parents:
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diff
changeset
|
3103 values = arrayExpressionToCommonType(sc, values, &tvalue); |
|
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parents:
1587
diff
changeset
|
3104 |
| 159 | 3105 type = new TypeAArray(tvalue, tkey); |
| 3106 type = type->semantic(loc, sc); | |
| 3107 return this; | |
| 3108 } | |
| 3109 | |
| 3110 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3111 { int f = 0; | |
| 3112 | |
| 3113 for (size_t i = 0; i < keys->dim; i++) | |
| 3114 { Expression *key = (Expression *)keys->data[i]; | |
| 3115 Expression *value = (Expression *)values->data[i]; | |
| 3116 | |
| 3117 f |= key->checkSideEffect(2); | |
| 3118 f |= value->checkSideEffect(2); | |
| 3119 } | |
| 3120 if (flag == 0 && f == 0) | |
| 3121 Expression::checkSideEffect(0); | |
| 3122 return f; | |
| 3123 } | |
| 3124 | |
| 3125 int AssocArrayLiteralExp::isBool(int result) | |
| 3126 { | |
| 3127 size_t dim = keys->dim; | |
| 3128 return result ? (dim != 0) : (dim == 0); | |
| 3129 } | |
| 3130 | |
|
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|
3131 #if DMDV2 |
|
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|
3132 int AssocArrayLiteralExp::canThrow() |
|
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diff
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|
3133 { |
|
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diff
changeset
|
3134 return 1; |
|
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diff
changeset
|
3135 } |
|
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|
3136 #endif |
|
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diff
changeset
|
3137 |
| 159 | 3138 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3139 { | |
| 3140 buf->writeByte('['); | |
| 3141 for (size_t i = 0; i < keys->dim; i++) | |
| 3142 { Expression *key = (Expression *)keys->data[i]; | |
| 3143 Expression *value = (Expression *)values->data[i]; | |
| 3144 | |
| 3145 if (i) | |
| 3146 buf->writeByte(','); | |
| 3147 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3148 buf->writeByte(':'); | |
| 3149 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3150 } | |
| 3151 buf->writeByte(']'); | |
| 3152 } | |
| 3153 | |
| 3154 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3155 { | |
| 3156 size_t dim = keys->dim; | |
|
1372
229e02867307
Fix format-string bugs by adding __attribute__((__format__)) in all applicable
Frits van Bommel <fvbommel wxs.nl>
parents:
1367
diff
changeset
|
3157 buf->printf("A%zu", dim); |
| 159 | 3158 for (size_t i = 0; i < dim; i++) |
| 3159 { Expression *key = (Expression *)keys->data[i]; | |
| 3160 Expression *value = (Expression *)values->data[i]; | |
| 3161 | |
| 3162 key->toMangleBuffer(buf); | |
| 3163 value->toMangleBuffer(buf); | |
| 3164 } | |
| 3165 } | |
| 3166 | |
| 3167 /************************ StructLiteralExp ************************************/ | |
| 3168 | |
| 3169 // sd( e1, e2, e3, ... ) | |
| 3170 | |
| 3171 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3172 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3173 { | |
| 3174 this->sd = sd; | |
| 3175 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
|
3176 #if IN_DMD |
| 159 | 3177 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
|
3178 #endif |
| 159 | 3179 this->soffset = 0; |
| 3180 this->fillHoles = 1; | |
| 3181 } | |
| 3182 | |
| 3183 Expression *StructLiteralExp::syntaxCopy() | |
| 3184 { | |
| 3185 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3186 } | |
| 3187 | |
| 3188 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3189 { Expression *e; | |
| 3190 | |
| 3191 #if LOGSEMANTIC | |
| 3192 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3193 #endif | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3194 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3195 return this; |
| 159 | 3196 |
| 3197 // Run semantic() on each element | |
| 3198 for (size_t i = 0; i < elements->dim; i++) | |
| 3199 { e = (Expression *)elements->data[i]; | |
| 3200 if (!e) | |
| 3201 continue; | |
| 3202 e = e->semantic(sc); | |
| 3203 elements->data[i] = (void *)e; | |
| 3204 } | |
| 3205 expandTuples(elements); | |
| 3206 size_t offset = 0; | |
| 3207 for (size_t i = 0; i < elements->dim; i++) | |
| 3208 { e = (Expression *)elements->data[i]; | |
| 3209 if (!e) | |
| 3210 continue; | |
| 3211 | |
| 3212 if (!e->type) | |
| 3213 error("%s has no value", e->toChars()); | |
| 3214 e = resolveProperties(sc, e); | |
| 3215 if (i >= sd->fields.dim) | |
| 3216 { error("more initializers than fields of %s", sd->toChars()); | |
| 3217 break; | |
| 3218 } | |
| 3219 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3220 VarDeclaration *v = s->isVarDeclaration(); | |
| 3221 assert(v); | |
| 3222 if (v->offset < offset) | |
| 3223 error("overlapping initialization for %s", v->toChars()); | |
| 3224 offset = v->offset + v->type->size(); | |
| 3225 | |
| 3226 Type *telem = v->type; | |
| 3227 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3228 { /* Static array initialization, as in: | |
| 3229 * T[3][5] = e; | |
| 3230 */ | |
| 3231 telem = telem->toBasetype()->nextOf(); | |
| 3232 } | |
| 3233 | |
| 3234 e = e->implicitCastTo(sc, telem); | |
| 3235 | |
| 3236 elements->data[i] = (void *)e; | |
| 3237 } | |
| 3238 | |
| 3239 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3240 */ | |
| 3241 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3242 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3243 VarDeclaration *v = s->isVarDeclaration(); | |
| 3244 assert(v); | |
| 3245 | |
| 3246 if (v->offset < offset) | |
| 3247 { e = NULL; | |
| 3248 sd->hasUnions = 1; | |
| 3249 } | |
| 3250 else | |
| 3251 { | |
| 3252 if (v->init) | |
| 3253 { e = v->init->toExpression(); | |
| 3254 if (!e) | |
| 1587 | 3255 { error("cannot make expression out of initializer for %s", v->toChars()); |
| 3256 e = new ErrorExp(); | |
| 3257 } | |
| 3258 else if (v->scope) | |
| 3259 { // Do deferred semantic anaylsis | |
| 3260 Initializer *i2 = v->init->syntaxCopy(); | |
| 3261 i2 = i2->semantic(v->scope, v->type); | |
| 3262 e = i2->toExpression(); | |
| 3263 v->scope = NULL; | |
| 3264 } | |
| 159 | 3265 } |
| 3266 else | |
| 3267 { e = v->type->defaultInit(); | |
| 3268 e->loc = loc; | |
| 3269 } | |
| 3270 offset = v->offset + v->type->size(); | |
| 3271 } | |
| 3272 elements->push(e); | |
| 3273 } | |
| 3274 | |
| 3275 type = sd->type; | |
| 3276 return this; | |
| 3277 } | |
| 3278 | |
| 3279 /************************************** | |
| 3280 * Gets expression at offset of type. | |
| 3281 * Returns NULL if not found. | |
| 3282 */ | |
| 3283 | |
| 3284 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
|
3285 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3286 //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
|
3287 // /*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
|
3288 Expression *e = NULL; |
| 159 | 3289 int i = getFieldIndex(type, offset); |
| 3290 | |
| 3291 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
|
3292 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3293 //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
|
3294 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
|
3295 e = (Expression *)elements->data[i]; |
| 159 | 3296 if (e) |
| 3297 { | |
| 1587 | 3298 //printf("e = %s, e->type = %s\n", e->toChars(), e->type->toChars()); |
| 3299 | |
| 3300 /* If type is a static array, and e is an initializer for that array, | |
| 3301 * then the field initializer should be an array literal of e. | |
| 3302 */ | |
| 3303 if (e->type != type && type->ty == Tsarray) | |
| 3304 { TypeSArray *tsa = (TypeSArray *)type; | |
| 3305 uinteger_t length = tsa->dim->toInteger(); | |
| 3306 Expressions *z = new Expressions; | |
| 3307 z->setDim(length); | |
| 3308 for (int q = 0; q < length; ++q) | |
| 3309 z->data[q] = e->copy(); | |
| 3310 e = new ArrayLiteralExp(loc, z); | |
| 3311 e->type = type; | |
| 3312 } | |
| 3313 else | |
| 3314 { | |
| 3315 e = e->copy(); | |
| 3316 e->type = type; | |
| 3317 } | |
| 159 | 3318 } |
| 3319 } | |
| 3320 return e; | |
| 3321 } | |
| 3322 | |
| 3323 /************************************ | |
| 3324 * Get index of field. | |
| 3325 * Returns -1 if not found. | |
| 3326 */ | |
| 3327 | |
| 3328 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3329 { | |
| 3330 /* Find which field offset is by looking at the field offsets | |
| 3331 */ | |
| 1587 | 3332 if (elements->dim) |
| 3333 { | |
| 3334 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3335 { | |
| 3336 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3337 VarDeclaration *v = s->isVarDeclaration(); | |
| 3338 assert(v); | |
| 3339 | |
| 3340 if (offset == v->offset && | |
| 3341 type->size() == v->type->size()) | |
| 3342 { Expression *e = (Expression *)elements->data[i]; | |
| 3343 if (e) | |
| 3344 { | |
| 3345 return i; | |
| 3346 } | |
| 3347 break; | |
| 3348 } | |
| 159 | 3349 } |
| 3350 } | |
| 3351 return -1; | |
| 3352 } | |
| 3353 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3354 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3355 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3356 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3357 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3358 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3359 #endif |
| 159 | 3360 |
| 3361 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3362 { | |
| 3363 return this; | |
| 3364 } | |
| 3365 | |
| 3366 | |
| 3367 int StructLiteralExp::checkSideEffect(int flag) | |
| 3368 { int f = 0; | |
| 3369 | |
| 3370 for (size_t i = 0; i < elements->dim; i++) | |
| 3371 { Expression *e = (Expression *)elements->data[i]; | |
| 3372 if (!e) | |
| 3373 continue; | |
| 3374 | |
| 3375 f |= e->checkSideEffect(2); | |
| 3376 } | |
| 3377 if (flag == 0 && f == 0) | |
| 3378 Expression::checkSideEffect(0); | |
| 3379 return f; | |
| 3380 } | |
| 3381 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3382 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3383 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3384 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3385 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3386 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3387 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3388 |
| 159 | 3389 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3390 { | |
| 3391 buf->writestring(sd->toChars()); | |
| 3392 buf->writeByte('('); | |
| 3393 argsToCBuffer(buf, elements, hgs); | |
| 3394 buf->writeByte(')'); | |
| 3395 } | |
| 3396 | |
| 3397 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3398 { | |
| 3399 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>
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1367
diff
changeset
|
3400 buf->printf("S%zu", dim); |
| 159 | 3401 for (size_t i = 0; i < dim; i++) |
| 3402 { Expression *e = (Expression *)elements->data[i]; | |
| 3403 if (e) | |
| 3404 e->toMangleBuffer(buf); | |
| 3405 else | |
| 3406 buf->writeByte('v'); // 'v' for void | |
| 3407 } | |
| 3408 } | |
| 3409 | |
| 3410 /************************ TypeDotIdExp ************************************/ | |
| 3411 | |
| 3412 /* Things like: | |
| 3413 * int.size | |
| 3414 * foo.size | |
| 3415 * (foo).size | |
| 3416 * cast(foo).size | |
| 3417 */ | |
| 3418 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3419 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
|
3420 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3421 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
|
3422 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
3423 |
| 159 | 3424 |
| 3425 /************************************************************/ | |
| 3426 | |
| 3427 // Mainly just a placeholder | |
| 3428 | |
| 3429 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3430 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3431 { | |
| 3432 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3433 this->type = type; | |
| 3434 } | |
| 3435 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3436 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3437 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3438 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3439 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3440 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3441 |
| 159 | 3442 Expression *TypeExp::semantic(Scope *sc) |
| 3443 { | |
| 3444 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3445 type = type->semantic(loc, sc); | |
| 3446 return this; | |
| 3447 } | |
| 3448 | |
| 3449 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3450 { | |
| 3451 type->toCBuffer(buf, NULL, hgs); | |
| 3452 } | |
| 3453 | |
| 3454 /************************************************************/ | |
| 3455 | |
| 3456 // Mainly just a placeholder | |
| 3457 | |
| 3458 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3459 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3460 { | |
| 3461 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3462 //static int count; if (++count == 38) *(char*)0=0; | |
| 3463 this->sds = pkg; | |
| 3464 } | |
| 3465 | |
| 3466 Expression *ScopeExp::syntaxCopy() | |
| 3467 { | |
| 3468 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3469 return se; | |
| 3470 } | |
| 3471 | |
| 3472 Expression *ScopeExp::semantic(Scope *sc) | |
| 3473 { | |
| 3474 TemplateInstance *ti; | |
| 3475 ScopeDsymbol *sds2; | |
| 3476 | |
| 3477 #if LOGSEMANTIC | |
| 3478 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3479 #endif | |
| 3480 Lagain: | |
| 3481 ti = sds->isTemplateInstance(); | |
| 3482 if (ti && !global.errors) | |
| 3483 { Dsymbol *s; | |
| 1587 | 3484 if (!ti->semanticRun) |
| 159 | 3485 ti->semantic(sc); |
| 3486 s = ti->inst->toAlias(); | |
| 3487 sds2 = s->isScopeDsymbol(); | |
| 3488 if (!sds2) | |
| 3489 { Expression *e; | |
| 3490 | |
| 3491 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3492 if (ti->withsym) | |
| 3493 { | |
| 3494 // Same as wthis.s | |
| 3495 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3496 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3497 } | |
| 3498 else | |
| 3499 e = new DsymbolExp(loc, s); | |
| 3500 e = e->semantic(sc); | |
| 3501 //printf("-1ScopeExp::semantic()\n"); | |
| 3502 return e; | |
| 3503 } | |
| 3504 if (sds2 != sds) | |
| 3505 { | |
| 3506 sds = sds2; | |
| 3507 goto Lagain; | |
| 3508 } | |
| 3509 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3510 } | |
| 3511 else | |
| 3512 { | |
| 3513 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3514 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3515 sds->semantic(sc); | |
| 3516 } | |
| 3517 type = Type::tvoid; | |
| 3518 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3519 return this; | |
| 3520 } | |
| 3521 | |
| 3522 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3523 { | |
| 3524 if (sds->isTemplateInstance()) | |
| 3525 { | |
| 3526 sds->toCBuffer(buf, hgs); | |
| 3527 } | |
| 3528 else | |
| 3529 { | |
| 3530 buf->writestring(sds->kind()); | |
| 3531 buf->writestring(" "); | |
| 3532 buf->writestring(sds->toChars()); | |
| 3533 } | |
| 3534 } | |
| 3535 | |
| 3536 /********************** TemplateExp **************************************/ | |
| 3537 | |
| 3538 // Mainly just a placeholder | |
| 3539 | |
| 3540 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3541 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3542 { | |
| 3543 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3544 this->td = td; | |
| 3545 } | |
| 3546 | |
| 3547 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3548 { | |
| 3549 buf->writestring(td->toChars()); | |
| 3550 } | |
| 3551 | |
| 3552 void TemplateExp::rvalue() | |
| 3553 { | |
| 3554 error("template %s has no value", toChars()); | |
| 3555 } | |
| 3556 | |
| 3557 /********************** NewExp **************************************/ | |
| 3558 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3559 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3560 |
| 159 | 3561 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3562 Type *newtype, Expressions *arguments) | |
| 3563 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3564 { | |
| 3565 this->thisexp = thisexp; | |
| 3566 this->newargs = newargs; | |
| 3567 this->newtype = newtype; | |
| 3568 this->arguments = arguments; | |
| 3569 member = NULL; | |
| 3570 allocator = NULL; | |
| 3571 onstack = 0; | |
| 3572 } | |
| 3573 | |
| 3574 Expression *NewExp::syntaxCopy() | |
| 3575 { | |
| 3576 return new NewExp(loc, | |
| 3577 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3578 arraySyntaxCopy(newargs), | |
| 3579 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3580 } | |
| 3581 | |
| 3582 | |
| 3583 Expression *NewExp::semantic(Scope *sc) | |
| 3584 { int i; | |
| 3585 Type *tb; | |
| 3586 ClassDeclaration *cdthis = NULL; | |
| 3587 | |
| 3588 #if LOGSEMANTIC | |
| 3589 printf("NewExp::semantic() %s\n", toChars()); | |
| 3590 if (thisexp) | |
| 3591 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3592 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3593 #endif | |
| 3594 if (type) // if semantic() already run | |
| 3595 return this; | |
| 3596 | |
| 3597 Lagain: | |
| 3598 if (thisexp) | |
| 3599 { thisexp = thisexp->semantic(sc); | |
| 3600 cdthis = thisexp->type->isClassHandle(); | |
| 3601 if (cdthis) | |
| 3602 { | |
| 3603 sc = sc->push(cdthis); | |
| 3604 type = newtype->semantic(loc, sc); | |
| 3605 sc = sc->pop(); | |
| 3606 } | |
| 3607 else | |
| 3608 { | |
| 3609 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3610 type = newtype->semantic(loc, sc); | |
| 3611 } | |
| 3612 } | |
| 3613 else | |
| 3614 type = newtype->semantic(loc, sc); | |
| 3615 newtype = type; // in case type gets cast to something else | |
| 3616 tb = type->toBasetype(); | |
| 3617 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3618 | |
| 3619 arrayExpressionSemantic(newargs, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3620 preFunctionParameters(loc, sc, newargs); |
| 159 | 3621 arrayExpressionSemantic(arguments, sc); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3622 preFunctionParameters(loc, sc, arguments); |
| 159 | 3623 |
| 3624 if (thisexp && tb->ty != Tclass) | |
| 3625 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3626 | |
| 3627 if (tb->ty == Tclass) | |
| 3628 { TypeFunction *tf; | |
| 3629 | |
| 3630 TypeClass *tc = (TypeClass *)(tb); | |
| 3631 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3632 if (cd->isInterfaceDeclaration()) | |
| 3633 error("cannot create instance of interface %s", cd->toChars()); | |
| 3634 else if (cd->isAbstract()) | |
| 3635 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3636 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3637 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3638 if (fd && fd->isAbstract()) | |
| 3639 error("function %s is abstract", fd->toChars()); | |
| 3640 } | |
| 3641 } | |
| 3642 checkDeprecated(sc, cd); | |
| 3643 if (cd->isNested()) | |
| 3644 { /* We need a 'this' pointer for the nested class. | |
| 3645 * Ensure we have the right one. | |
| 3646 */ | |
| 3647 Dsymbol *s = cd->toParent2(); | |
| 3648 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
|
3649 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3650 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3651 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3652 if (cdn) |
| 3653 { | |
| 3654 if (!cdthis) | |
| 3655 { | |
| 3656 // Supply an implicit 'this' and try again | |
| 3657 thisexp = new ThisExp(loc); | |
| 3658 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3659 { if (!sp) | |
| 3660 { | |
| 3661 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3662 break; | |
| 3663 } | |
| 3664 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3665 if (!cdp) | |
| 3666 continue; | |
| 3667 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3668 break; | |
| 3669 // Add a '.outer' and try again | |
| 3670 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3671 } | |
| 3672 if (!global.errors) | |
| 3673 goto Lagain; | |
| 3674 } | |
| 3675 if (cdthis) | |
| 3676 { | |
| 3677 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3678 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3679 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3680 } | |
| 3681 #if 0 | |
| 3682 else | |
| 3683 { | |
| 3684 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3685 { | |
| 3686 if (!sf) | |
| 3687 { | |
| 3688 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3689 break; | |
| 3690 } | |
| 3691 printf("sf = %s\n", sf->toChars()); | |
| 3692 AggregateDeclaration *ad = sf->isThis(); | |
| 3693 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3694 break; | |
| 3695 } | |
| 3696 } | |
| 3697 #endif | |
| 3698 } | |
| 3699 else if (thisexp) | |
| 3700 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
|
3701 else if (fdn) |
| 1587 | 3702 { |
|
639
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3703 // 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
|
3704 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
|
3705 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3706 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
|
3707 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3708 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
|
3709 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
|
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 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
|
3712 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3713 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3714 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3715 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3716 } |
| 159 | 3717 } |
| 3718 else if (thisexp) | |
| 3719 error("e.new is only for allocating nested classes"); | |
| 3720 | |
| 3721 FuncDeclaration *f = cd->ctor; | |
| 3722 if (f) | |
| 3723 { | |
| 3724 assert(f); | |
| 1587 | 3725 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 3726 checkDeprecated(sc, f); |
| 3727 member = f->isCtorDeclaration(); | |
| 3728 assert(member); | |
| 3729 | |
| 3730 cd->accessCheck(loc, sc, member); | |
| 3731 | |
| 3732 tf = (TypeFunction *)f->type; | |
| 3733 type = tf->next; | |
| 3734 | |
| 3735 if (!arguments) | |
| 3736 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3737 functionParameters(loc, sc, tf, arguments); |
| 159 | 3738 } |
| 3739 else | |
| 3740 { | |
| 3741 if (arguments && arguments->dim) | |
| 3742 error("no constructor for %s", cd->toChars()); | |
| 3743 } | |
| 3744 | |
| 3745 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3747 // 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
|
3748 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3749 if (!newargs) |
| 3750 newargs = new Expressions(); | |
| 3751 newargs->shift(e); | |
| 3752 | |
| 1587 | 3753 f = cd->aggNew->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3754 allocator = f->isNewDeclaration(); |
| 3755 assert(allocator); | |
| 3756 | |
| 3757 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3758 functionParameters(loc, sc, tf, newargs); |
| 159 | 3759 } |
| 3760 else | |
| 3761 { | |
| 3762 if (newargs && newargs->dim) | |
| 3763 error("no allocator for %s", cd->toChars()); | |
| 3764 } | |
| 3765 } | |
| 3766 else if (tb->ty == Tstruct) | |
| 3767 { | |
| 3768 TypeStruct *ts = (TypeStruct *)tb; | |
| 3769 StructDeclaration *sd = ts->sym; | |
| 3770 FuncDeclaration *f = sd->aggNew; | |
| 3771 TypeFunction *tf; | |
| 3772 | |
| 3773 if (arguments && arguments->dim) | |
| 3774 error("no constructor for %s", type->toChars()); | |
| 3775 | |
| 3776 if (f) | |
| 3777 { | |
| 3778 Expression *e; | |
| 3779 | |
| 3780 // Prepend the uint size argument to newargs[] | |
| 3781 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3782 if (!newargs) | |
| 3783 newargs = new Expressions(); | |
| 3784 newargs->shift(e); | |
| 3785 | |
| 1587 | 3786 f = f->overloadResolve(loc, NULL, newargs, sc->module); |
| 159 | 3787 allocator = f->isNewDeclaration(); |
| 3788 assert(allocator); | |
| 3789 | |
| 3790 tf = (TypeFunction *)f->type; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
3791 functionParameters(loc, sc, tf, newargs); |
| 159 | 3792 |
| 3793 e = new VarExp(loc, f); | |
| 3794 e = new CallExp(loc, e, newargs); | |
| 3795 e = e->semantic(sc); | |
| 3796 e->type = type->pointerTo(); | |
| 3797 return e; | |
| 3798 } | |
| 3799 | |
| 3800 type = type->pointerTo(); | |
| 3801 } | |
| 3802 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3803 { | |
| 3804 for (size_t i = 0; i < arguments->dim; i++) | |
| 3805 { | |
| 3806 if (tb->ty != Tarray) | |
| 3807 { error("too many arguments for array"); | |
| 3808 arguments->dim = i; | |
| 3809 break; | |
| 3810 } | |
| 3811 | |
| 3812 Expression *arg = (Expression *)arguments->data[i]; | |
| 3813 arg = resolveProperties(sc, arg); | |
| 3814 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3815 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3816 error("negative array index %s", arg->toChars()); | |
| 3817 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
|
3818 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3819 } |
| 3820 } | |
| 3821 else if (tb->isscalar()) | |
| 3822 { | |
| 3823 if (arguments && arguments->dim) | |
| 3824 error("no constructor for %s", type->toChars()); | |
| 3825 | |
| 3826 type = type->pointerTo(); | |
| 3827 } | |
| 3828 else | |
| 3829 { | |
| 3830 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3831 type = type->pointerTo(); | |
| 3832 } | |
| 3833 | |
| 3834 //printf("NewExp: '%s'\n", toChars()); | |
| 3835 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3836 | |
| 3837 return this; | |
| 3838 } | |
| 3839 | |
| 3840 int NewExp::checkSideEffect(int flag) | |
| 3841 { | |
| 3842 return 1; | |
| 3843 } | |
| 3844 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3845 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3846 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3847 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3848 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3849 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3850 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3851 |
| 159 | 3852 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3853 { int i; | |
| 3854 | |
| 3855 if (thisexp) | |
| 3856 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3857 buf->writeByte('.'); | |
| 3858 } | |
| 3859 buf->writestring("new "); | |
| 3860 if (newargs && newargs->dim) | |
| 3861 { | |
| 3862 buf->writeByte('('); | |
| 3863 argsToCBuffer(buf, newargs, hgs); | |
| 3864 buf->writeByte(')'); | |
| 3865 } | |
| 3866 newtype->toCBuffer(buf, NULL, hgs); | |
| 3867 if (arguments && arguments->dim) | |
| 3868 { | |
| 3869 buf->writeByte('('); | |
| 3870 argsToCBuffer(buf, arguments, hgs); | |
| 3871 buf->writeByte(')'); | |
| 3872 } | |
| 3873 } | |
| 3874 | |
| 3875 /********************** NewAnonClassExp **************************************/ | |
| 3876 | |
| 3877 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3878 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3879 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3880 { | |
| 3881 this->thisexp = thisexp; | |
| 3882 this->newargs = newargs; | |
| 3883 this->cd = cd; | |
| 3884 this->arguments = arguments; | |
| 3885 } | |
| 3886 | |
| 3887 Expression *NewAnonClassExp::syntaxCopy() | |
| 3888 { | |
| 3889 return new NewAnonClassExp(loc, | |
| 3890 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3891 arraySyntaxCopy(newargs), | |
| 3892 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3893 arraySyntaxCopy(arguments)); | |
| 3894 } | |
| 3895 | |
| 3896 | |
| 3897 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3898 { | |
| 3899 #if LOGSEMANTIC | |
| 3900 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3901 //printf("thisexp = %p\n", thisexp); |
| 159 | 3902 //printf("type: %s\n", type->toChars()); |
| 3903 #endif | |
| 3904 | |
| 3905 Expression *d = new DeclarationExp(loc, cd); | |
| 3906 d = d->semantic(sc); | |
| 3907 | |
| 3908 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3909 | |
| 3910 Expression *c = new CommaExp(loc, d, n); | |
| 3911 return c->semantic(sc); | |
| 3912 } | |
| 3913 | |
| 3914 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3915 { | |
| 3916 return 1; | |
| 3917 } | |
| 3918 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3919 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3920 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3921 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3922 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3923 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3924 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3925 |
| 159 | 3926 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3927 { int i; | |
| 3928 | |
| 3929 if (thisexp) | |
| 3930 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3931 buf->writeByte('.'); | |
| 3932 } | |
| 3933 buf->writestring("new"); | |
| 3934 if (newargs && newargs->dim) | |
| 3935 { | |
| 3936 buf->writeByte('('); | |
| 3937 argsToCBuffer(buf, newargs, hgs); | |
| 3938 buf->writeByte(')'); | |
| 3939 } | |
| 3940 buf->writestring(" class "); | |
| 3941 if (arguments && arguments->dim) | |
| 3942 { | |
| 3943 buf->writeByte('('); | |
| 3944 argsToCBuffer(buf, arguments, hgs); | |
| 3945 buf->writeByte(')'); | |
| 3946 } | |
| 3947 //buf->writestring(" { }"); | |
| 3948 if (cd) | |
| 3949 { | |
| 3950 cd->toCBuffer(buf, hgs); | |
| 3951 } | |
| 3952 } | |
| 3953 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3954 /********************** SymbolExp **************************************/ |
|
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 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3957 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3958 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3959 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3960 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3961 this->var = var; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3962 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3963 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3964 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3965 |
| 159 | 3966 /********************** SymOffExp **************************************/ |
| 3967 | |
| 3968 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3969 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3970 { | |
| 3971 assert(var); | |
| 3972 this->var = var; | |
| 3973 this->offset = offset; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3974 m = NULL; |
| 159 | 3975 VarDeclaration *v = var->isVarDeclaration(); |
| 3976 if (v && v->needThis()) | |
| 3977 error("need 'this' for address of %s", v->toChars()); | |
| 3978 } | |
| 3979 | |
| 3980 Expression *SymOffExp::semantic(Scope *sc) | |
| 3981 { | |
| 3982 #if LOGSEMANTIC | |
| 3983 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3984 #endif | |
| 3985 //var->semantic(sc); | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
3986 m = sc->module; |
| 159 | 3987 if (!type) |
| 3988 type = var->type->pointerTo(); | |
| 3989 VarDeclaration *v = var->isVarDeclaration(); | |
| 3990 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3991 v->checkNestedReference(sc, loc); |
| 159 | 3992 return this; |
| 3993 } | |
| 3994 | |
| 3995 int SymOffExp::isBool(int result) | |
| 3996 { | |
| 3997 return result ? TRUE : FALSE; | |
| 3998 } | |
| 3999 | |
| 4000 void SymOffExp::checkEscape() | |
| 4001 { | |
| 4002 VarDeclaration *v = var->isVarDeclaration(); | |
| 4003 if (v) | |
| 4004 { | |
|
1618
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Merge DMD r303: harmonize
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parents:
1616
diff
changeset
|
4005 if (!v->isDataseg() && !(v->storage_class & (STCref | STCout))) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4006 { /* BUG: This should be allowed: |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4007 * void foo() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
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diff
changeset
|
4008 * { int a; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
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parents:
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diff
changeset
|
4009 * int* bar() { return &a; } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4010 * } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4011 */ |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4012 error("escaping reference to local %s", v->toChars()); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4013 } |
| 159 | 4014 } |
| 4015 } | |
| 4016 | |
| 4017 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4018 { | |
| 4019 if (offset) | |
| 4020 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 4021 else | |
| 4022 buf->printf("& %s", var->toChars()); | |
| 4023 } | |
| 4024 | |
| 4025 /******************************** VarExp **************************/ | |
| 4026 | |
| 4027 VarExp::VarExp(Loc loc, Declaration *var) | |
| 4028 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 4029 { | |
| 4030 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 4031 this->var = var; | |
| 4032 this->type = var->type; | |
| 4033 } | |
| 4034 | |
| 4035 int VarExp::equals(Object *o) | |
| 4036 { VarExp *ne; | |
| 4037 | |
| 4038 if (this == o || | |
| 4039 (((Expression *)o)->op == TOKvar && | |
| 4040 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 4041 var == ne->var)) | |
| 4042 return 1; | |
| 4043 return 0; | |
| 4044 } | |
| 4045 | |
| 4046 Expression *VarExp::semantic(Scope *sc) | |
| 4047 { FuncLiteralDeclaration *fd; | |
| 4048 | |
| 4049 #if LOGSEMANTIC | |
| 4050 printf("VarExp::semantic(%s)\n", toChars()); | |
| 4051 #endif | |
| 4052 if (!type) | |
| 4053 { type = var->type; | |
| 4054 #if 0 | |
| 4055 if (var->storage_class & STClazy) | |
| 4056 { | |
| 4057 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 4058 type = new TypeDelegate(tf); | |
| 4059 type = type->semantic(loc, sc); | |
| 4060 } | |
| 4061 #endif | |
| 4062 } | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4063 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4064 /* 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
|
4065 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4066 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4067 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4068 //accessCheck(loc, sc, NULL, var); |
| 159 | 4069 |
| 4070 VarDeclaration *v = var->isVarDeclaration(); | |
| 4071 if (v) | |
| 4072 { | |
|
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
|
4073 if (v->isSameAsInitializer() && type->toBasetype()->ty != Tsarray && v->init) |
| 159 | 4074 { |
| 4075 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 4076 if (ei) | |
| 4077 { | |
| 4078 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 4079 return ei->exp->implicitCastTo(sc, type); | |
| 4080 } | |
| 4081 } | |
| 4082 v->checkNestedReference(sc, loc); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4083 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4084 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
|
4085 { |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
4086 if (v->isDataseg() && !v->isImmutable()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4087 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
|
4088 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4089 #endif |
| 159 | 4090 } |
| 4091 #if 0 | |
| 4092 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 4093 { Expression *e; | |
| 4094 e = new FuncExp(loc, fd); | |
| 4095 e->type = type; | |
| 4096 return e; | |
| 4097 } | |
| 4098 #endif | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4099 |
| 159 | 4100 return this; |
| 4101 } | |
| 4102 | |
| 4103 char *VarExp::toChars() | |
| 4104 { | |
| 4105 return var->toChars(); | |
| 4106 } | |
| 4107 | |
| 4108 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4109 { | |
| 4110 buf->writestring(var->toChars()); | |
| 4111 } | |
| 4112 | |
| 4113 void VarExp::checkEscape() | |
| 4114 { | |
| 4115 VarDeclaration *v = var->isVarDeclaration(); | |
| 4116 if (v) | |
| 4117 { Type *tb = v->type->toBasetype(); | |
| 4118 // if reference type | |
| 4119 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4120 { | |
|
1530
05c235309d6f
Make the auto storage class never have the same meaning as scope.
Christian Kamm <kamm incasoftware de>
parents:
1499
diff
changeset
|
4121 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
|
4122 error("escaping reference to scope local %s", v->toChars()); |
| 159 | 4123 else if (v->storage_class & STCvariadic) |
| 4124 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4125 } | |
| 4126 } | |
| 4127 } | |
| 4128 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4129 void VarExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4130 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4131 VarDeclaration *v = var->isVarDeclaration(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4132 if (v) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4133 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4134 if (!v->isDataseg() && !(v->storage_class & (STCref | STCout))) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4135 error("escaping reference to local variable %s", v->toChars()); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4136 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4137 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4138 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4139 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4140 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4141 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4142 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4143 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4144 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4145 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4146 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4147 |
| 159 | 4148 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4149 { | |
| 4150 #if 0 | |
| 4151 tym = tybasic(e1->ET->Tty); | |
| 4152 if (!(tyscalar(tym) || | |
| 4153 tym == TYstruct || | |
| 4154 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4155 synerr(EM_lvalue); // lvalue expected | |
| 4156 #endif | |
| 4157 if (var->storage_class & STClazy) | |
| 4158 error("lazy variables cannot be lvalues"); | |
| 4159 return this; | |
| 4160 } | |
| 4161 | |
| 4162 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4163 { | |
| 4164 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4165 if (sc->incontract && var->isParameter()) | |
| 4166 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4167 | |
| 4168 if (type && type->toBasetype()->ty == Tsarray) | |
| 4169 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4170 | |
| 4171 VarDeclaration *v = var->isVarDeclaration(); | |
| 4172 if (v && v->canassign == 0 && | |
| 4173 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4174 error("cannot modify final variable '%s'", var->toChars()); | |
| 4175 | |
| 4176 if (var->isCtorinit()) | |
| 4177 { // It's only modifiable if inside the right constructor | |
| 4178 Dsymbol *s = sc->func; | |
| 4179 while (1) | |
| 4180 { | |
| 4181 FuncDeclaration *fd = NULL; | |
| 4182 if (s) | |
| 4183 fd = s->isFuncDeclaration(); | |
| 4184 if (fd && | |
| 4185 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4186 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4187 fd->toParent() == var->toParent() | |
| 4188 ) | |
| 4189 { | |
| 4190 VarDeclaration *v = var->isVarDeclaration(); | |
| 4191 assert(v); | |
| 4192 v->ctorinit = 1; | |
| 4193 //printf("setting ctorinit\n"); | |
| 4194 } | |
| 4195 else | |
| 4196 { | |
| 4197 if (s) | |
| 4198 { s = s->toParent2(); | |
| 4199 continue; | |
| 4200 } | |
| 4201 else | |
| 4202 { | |
| 4203 const char *p = var->isStatic() ? "static " : ""; | |
| 4204 error("can only initialize %sconst %s inside %sconstructor", | |
| 4205 p, var->toChars(), p); | |
| 4206 } | |
| 4207 } | |
| 4208 break; | |
| 4209 } | |
| 4210 } | |
| 4211 | |
| 4212 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4213 return toLvalue(sc, e); | |
| 4214 } | |
| 4215 | |
| 4216 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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486
diff
changeset
|
4217 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4218 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4219 #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
|
4220 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
|
4221 : 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:
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diff
changeset
|
4222 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4223 //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
|
4224 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4225 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
|
4226 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4227 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4228 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4229 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4230 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
|
4231 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4232 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4233 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
|
4234 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4235 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
|
4236 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4237 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4238 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4239 |
| 159 | 4240 /******************************** TupleExp **************************/ |
| 4241 | |
| 4242 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4243 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4244 { | |
| 4245 //printf("TupleExp(this = %p)\n", this); | |
| 4246 this->exps = exps; | |
| 4247 this->type = NULL; | |
| 4248 } | |
| 4249 | |
| 4250 | |
| 4251 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4252 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4253 { | |
| 4254 exps = new Expressions(); | |
| 4255 type = NULL; | |
| 4256 | |
| 4257 exps->reserve(tup->objects->dim); | |
| 4258 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4259 { Object *o = (Object *)tup->objects->data[i]; | |
| 4260 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4261 { | |
| 4262 Expression *e = (Expression *)o; | |
| 4263 e = e->syntaxCopy(); | |
| 4264 exps->push(e); | |
| 4265 } | |
| 4266 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4267 { | |
| 4268 Dsymbol *s = (Dsymbol *)o; | |
| 4269 Expression *e = new DsymbolExp(loc, s); | |
| 4270 exps->push(e); | |
| 4271 } | |
| 4272 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4273 { | |
| 4274 Type *t = (Type *)o; | |
| 4275 Expression *e = new TypeExp(loc, t); | |
| 4276 exps->push(e); | |
| 4277 } | |
| 4278 else | |
| 4279 { | |
| 4280 error("%s is not an expression", o->toChars()); | |
| 4281 } | |
| 4282 } | |
| 4283 } | |
| 4284 | |
| 4285 int TupleExp::equals(Object *o) | |
| 4286 { TupleExp *ne; | |
| 4287 | |
| 4288 if (this == o) | |
| 4289 return 1; | |
| 4290 if (((Expression *)o)->op == TOKtuple) | |
| 4291 { | |
| 4292 TupleExp *te = (TupleExp *)o; | |
| 4293 if (exps->dim != te->exps->dim) | |
| 4294 return 0; | |
| 4295 for (size_t i = 0; i < exps->dim; i++) | |
| 4296 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4297 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4298 | |
| 4299 if (!e1->equals(e2)) | |
| 4300 return 0; | |
| 4301 } | |
| 4302 return 1; | |
| 4303 } | |
| 4304 return 0; | |
| 4305 } | |
| 4306 | |
| 4307 Expression *TupleExp::syntaxCopy() | |
| 4308 { | |
| 4309 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4310 } | |
| 4311 | |
| 4312 Expression *TupleExp::semantic(Scope *sc) | |
| 4313 { | |
| 4314 #if LOGSEMANTIC | |
| 4315 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4316 #endif | |
| 4317 if (type) | |
| 4318 return this; | |
| 4319 | |
| 4320 // Run semantic() on each argument | |
| 4321 for (size_t i = 0; i < exps->dim; i++) | |
| 4322 { Expression *e = (Expression *)exps->data[i]; | |
| 4323 | |
| 4324 e = e->semantic(sc); | |
| 4325 if (!e->type) | |
| 4326 { error("%s has no value", e->toChars()); | |
| 4327 e->type = Type::terror; | |
| 4328 } | |
| 4329 exps->data[i] = (void *)e; | |
| 4330 } | |
| 4331 | |
| 4332 expandTuples(exps); | |
| 4333 if (0 && exps->dim == 1) | |
| 4334 { | |
| 4335 return (Expression *)exps->data[0]; | |
| 4336 } | |
| 4337 type = new TypeTuple(exps); | |
| 1587 | 4338 type = type->semantic(loc, sc); |
| 159 | 4339 //printf("-TupleExp::semantic(%s)\n", toChars()); |
| 4340 return this; | |
| 4341 } | |
| 4342 | |
| 4343 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4344 { | |
| 4345 buf->writestring("tuple("); | |
| 4346 argsToCBuffer(buf, exps, hgs); | |
| 4347 buf->writeByte(')'); | |
| 4348 } | |
| 4349 | |
| 4350 int TupleExp::checkSideEffect(int flag) | |
| 4351 { int f = 0; | |
| 4352 | |
| 4353 for (int i = 0; i < exps->dim; i++) | |
| 4354 { Expression *e = (Expression *)exps->data[i]; | |
| 4355 | |
| 4356 f |= e->checkSideEffect(2); | |
| 4357 } | |
| 4358 if (flag == 0 && f == 0) | |
| 4359 Expression::checkSideEffect(0); | |
| 4360 return f; | |
| 4361 } | |
| 4362 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4363 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4364 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4365 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4366 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4367 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4368 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4369 |
| 159 | 4370 void TupleExp::checkEscape() |
| 4371 { | |
| 4372 for (size_t i = 0; i < exps->dim; i++) | |
| 4373 { Expression *e = (Expression *)exps->data[i]; | |
| 4374 e->checkEscape(); | |
| 4375 } | |
| 4376 } | |
| 4377 | |
| 4378 /******************************** FuncExp *********************************/ | |
| 4379 | |
| 4380 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4381 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4382 { | |
| 4383 this->fd = fd; | |
| 4384 } | |
| 4385 | |
| 4386 Expression *FuncExp::syntaxCopy() | |
| 4387 { | |
| 4388 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4389 } | |
| 4390 | |
| 4391 Expression *FuncExp::semantic(Scope *sc) | |
| 4392 { | |
| 4393 #if LOGSEMANTIC | |
| 4394 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4395 #endif | |
| 4396 if (!type) | |
| 4397 { | |
| 4398 fd->semantic(sc); | |
| 4399 fd->parent = sc->parent; | |
| 4400 if (global.errors) | |
| 4401 { | |
| 4402 } | |
| 4403 else | |
| 4404 { | |
| 4405 fd->semantic2(sc); | |
| 1587 | 4406 if (!global.errors || |
| 4407 // need to infer return type | |
| 4408 (fd->type && fd->type->ty == Tfunction && !fd->type->nextOf())) | |
| 159 | 4409 { |
| 4410 fd->semantic3(sc); | |
| 4411 | |
| 4412 if (!global.errors && global.params.useInline) | |
| 4413 fd->inlineScan(); | |
| 4414 } | |
| 4415 } | |
| 4416 | |
| 1587 | 4417 // need to infer return type |
| 4418 if (global.errors && fd->type && fd->type->ty == Tfunction && !fd->type->nextOf()) | |
| 4419 ((TypeFunction *)fd->type)->next = Type::terror; | |
| 4420 | |
| 159 | 4421 // Type is a "delegate to" or "pointer to" the function literal |
| 4422 if (fd->isNested()) | |
| 4423 { | |
| 4424 type = new TypeDelegate(fd->type); | |
| 4425 type = type->semantic(loc, sc); | |
| 4426 } | |
| 4427 else | |
| 4428 { | |
| 4429 type = fd->type->pointerTo(); | |
| 4430 } | |
| 4431 } | |
| 4432 return this; | |
| 4433 } | |
| 4434 | |
| 4435 char *FuncExp::toChars() | |
| 4436 { | |
| 4437 return fd->toChars(); | |
| 4438 } | |
| 4439 | |
| 4440 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4441 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4442 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4443 //buf->writestring(fd->toChars()); |
| 159 | 4444 } |
| 4445 | |
| 4446 | |
| 4447 /******************************** DeclarationExp **************************/ | |
| 4448 | |
| 4449 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4450 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4451 { | |
| 4452 this->declaration = declaration; | |
| 4453 } | |
| 4454 | |
| 4455 Expression *DeclarationExp::syntaxCopy() | |
| 4456 { | |
| 4457 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4458 } | |
| 4459 | |
| 4460 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4461 { | |
| 4462 if (type) | |
| 4463 return this; | |
| 4464 | |
| 4465 #if LOGSEMANTIC | |
| 4466 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4467 #endif | |
| 4468 | |
| 4469 /* This is here to support extern(linkage) declaration, | |
| 4470 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4471 * wrapper. | |
| 4472 */ | |
| 4473 Dsymbol *s = declaration; | |
| 4474 | |
| 4475 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4476 if (ad) | |
| 4477 { | |
| 4478 if (ad->decl && ad->decl->dim == 1) | |
| 4479 s = (Dsymbol *)ad->decl->data[0]; | |
| 4480 } | |
| 4481 | |
| 4482 if (s->isVarDeclaration()) | |
| 4483 { // Do semantic() on initializer first, so: | |
| 4484 // int a = a; | |
| 4485 // will be illegal. | |
| 4486 declaration->semantic(sc); | |
| 4487 s->parent = sc->parent; | |
| 4488 } | |
| 4489 | |
| 4490 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4491 // Insert into both local scope and function scope. | |
| 4492 // Must be unique in both. | |
| 4493 if (s->ident) | |
| 4494 { | |
| 4495 if (!sc->insert(s)) | |
| 4496 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4497 else if (sc->func) | |
| 4498 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4499 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4500 !sc->func->localsymtab->insert(s)) | |
| 4501 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4502 else if (!global.params.useDeprecated) | |
| 4503 { // Disallow shadowing | |
| 4504 | |
| 4505 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4506 { Dsymbol *s2; | |
| 4507 | |
| 4508 if (scx->scopesym && scx->scopesym->symtab && | |
| 4509 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4510 s != s2) | |
| 4511 { | |
| 4512 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4513 } | |
| 4514 } | |
| 4515 } | |
| 4516 } | |
| 4517 } | |
| 4518 if (!s->isVarDeclaration()) | |
| 4519 { | |
| 1587 | 4520 Scope *sc2 = sc; |
| 4521 if (sc2->stc & (STCpure | STCnothrow)) | |
| 4522 sc2 = sc->push(); | |
| 4523 sc2->stc &= ~(STCpure | STCnothrow); | |
| 4524 declaration->semantic(sc2); | |
| 4525 if (sc2 != sc) | |
| 4526 sc2->pop(); | |
| 159 | 4527 s->parent = sc->parent; |
| 4528 } | |
| 4529 if (!global.errors) | |
| 4530 { | |
| 4531 declaration->semantic2(sc); | |
| 4532 if (!global.errors) | |
| 4533 { | |
| 4534 declaration->semantic3(sc); | |
| 4535 | |
| 4536 if (!global.errors && global.params.useInline) | |
| 4537 declaration->inlineScan(); | |
| 4538 } | |
| 4539 } | |
| 4540 | |
| 4541 type = Type::tvoid; | |
| 4542 return this; | |
| 4543 } | |
| 4544 | |
| 4545 int DeclarationExp::checkSideEffect(int flag) | |
| 4546 { | |
| 4547 return 1; | |
| 4548 } | |
| 4549 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4550 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4551 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4552 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4553 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4554 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4555 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4556 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4557 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4558 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4559 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4560 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4561 |
| 159 | 4562 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4563 { | |
| 4564 declaration->toCBuffer(buf, hgs); | |
| 4565 } | |
| 4566 | |
| 4567 | |
| 4568 /************************ TypeidExp ************************************/ | |
| 4569 | |
| 4570 /* | |
| 4571 * typeid(int) | |
| 4572 */ | |
| 4573 | |
| 4574 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4575 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4576 { | |
| 4577 this->typeidType = typeidType; | |
| 4578 } | |
| 4579 | |
| 4580 | |
| 4581 Expression *TypeidExp::syntaxCopy() | |
| 4582 { | |
| 4583 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4584 } | |
| 4585 | |
| 4586 | |
| 4587 Expression *TypeidExp::semantic(Scope *sc) | |
| 4588 { Expression *e; | |
| 4589 | |
| 4590 #if LOGSEMANTIC | |
| 4591 printf("TypeidExp::semantic()\n"); | |
| 4592 #endif | |
| 4593 typeidType = typeidType->semantic(loc, sc); | |
| 4594 e = typeidType->getTypeInfo(sc); | |
| 336 | 4595 if (e->loc.linnum == 0) |
| 4596 e->loc = loc; // so there's at least some line number info | |
| 159 | 4597 return e; |
| 4598 } | |
| 4599 | |
| 4600 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4601 { | |
| 4602 buf->writestring("typeid("); | |
| 4603 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4604 buf->writeByte(')'); | |
| 4605 } | |
| 4606 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4607 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4608 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
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 * __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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4613 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
|
4614 : 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
|
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 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
|
4617 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4620 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4621 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
|
4622 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4623 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
|
4624 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4625 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4626 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4627 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
|
4628 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4629 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
|
4630 buf->writestring(ident->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4631 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
|
4632 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4633 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
|
4634 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4635 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
|
4636 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
|
4637 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
|
4638 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4639 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4640 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
|
4641 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4642 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4643 |
| 159 | 4644 /************************************************************/ |
| 4645 | |
| 4646 HaltExp::HaltExp(Loc loc) | |
| 4647 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4648 { | |
| 4649 } | |
| 4650 | |
| 4651 Expression *HaltExp::semantic(Scope *sc) | |
| 4652 { | |
| 4653 #if LOGSEMANTIC | |
| 4654 printf("HaltExp::semantic()\n"); | |
| 4655 #endif | |
| 4656 type = Type::tvoid; | |
| 4657 return this; | |
| 4658 } | |
| 4659 | |
| 4660 int HaltExp::checkSideEffect(int flag) | |
| 4661 { | |
| 4662 return 1; | |
| 4663 } | |
| 4664 | |
| 4665 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4666 { | |
| 4667 buf->writestring("halt"); | |
| 4668 } | |
| 4669 | |
| 4670 /************************************************************/ | |
| 4671 | |
| 4672 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4673 Type *tspec, enum TOK tok2) | |
| 4674 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4675 { | |
| 4676 this->targ = targ; | |
| 4677 this->id = id; | |
| 4678 this->tok = tok; | |
| 4679 this->tspec = tspec; | |
| 4680 this->tok2 = tok2; | |
| 4681 } | |
| 4682 | |
| 4683 Expression *IsExp::syntaxCopy() | |
| 4684 { | |
| 4685 return new IsExp(loc, | |
| 4686 targ->syntaxCopy(), | |
| 4687 id, | |
| 4688 tok, | |
| 4689 tspec ? tspec->syntaxCopy() : NULL, | |
| 4690 tok2); | |
| 4691 } | |
| 4692 | |
| 4693 Expression *IsExp::semantic(Scope *sc) | |
| 4694 { Type *tded; | |
| 4695 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4696 /* 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
|
4697 * 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
|
4698 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4699 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4700 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4701 if (id && !(sc->flags & SCOPEstaticif)) |
| 4702 error("can only declare type aliases within static if conditionals"); | |
| 4703 | |
| 4704 unsigned errors_save = global.errors; | |
| 4705 global.errors = 0; | |
| 4706 global.gag++; // suppress printing of error messages | |
| 4707 targ = targ->semantic(loc, sc); | |
| 4708 global.gag--; | |
| 4709 unsigned gerrors = global.errors; | |
| 4710 global.errors = errors_save; | |
| 4711 | |
| 4712 if (gerrors) // if any errors happened | |
| 4713 { // then condition is false | |
| 4714 goto Lno; | |
| 4715 } | |
| 4716 else if (tok2 != TOKreserved) | |
| 4717 { | |
| 4718 switch (tok2) | |
| 4719 { | |
| 4720 case TOKtypedef: | |
| 4721 if (targ->ty != Ttypedef) | |
| 4722 goto Lno; | |
| 4723 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4724 break; | |
| 4725 | |
| 4726 case TOKstruct: | |
| 4727 if (targ->ty != Tstruct) | |
| 4728 goto Lno; | |
| 4729 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4730 goto Lno; | |
| 4731 tded = targ; | |
| 4732 break; | |
| 4733 | |
| 4734 case TOKunion: | |
| 4735 if (targ->ty != Tstruct) | |
| 4736 goto Lno; | |
| 4737 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4738 goto Lno; | |
| 4739 tded = targ; | |
| 4740 break; | |
| 4741 | |
| 4742 case TOKclass: | |
| 4743 if (targ->ty != Tclass) | |
| 4744 goto Lno; | |
| 4745 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4746 goto Lno; | |
| 4747 tded = targ; | |
| 4748 break; | |
| 4749 | |
| 4750 case TOKinterface: | |
| 4751 if (targ->ty != Tclass) | |
| 4752 goto Lno; | |
| 4753 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4754 goto Lno; | |
| 4755 tded = targ; | |
| 4756 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
|
4757 #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
|
4758 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
|
4759 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
|
4760 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
|
4761 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
|
4762 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4763 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4764 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4765 case TOKimmutable: |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
4766 if (!targ->isImmutable()) |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4767 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
|
4768 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
|
4769 break; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4770 |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4771 case TOKshared: |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4772 if (!targ->isShared()) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4773 goto Lno; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4774 tded = targ; |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4775 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
|
4776 #endif |
| 159 | 4777 |
| 4778 case TOKsuper: | |
| 4779 // If class or interface, get the base class and interfaces | |
| 4780 if (targ->ty != Tclass) | |
| 4781 goto Lno; | |
| 4782 else | |
| 4783 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4784 Parameters *args = new Parameters; |
| 159 | 4785 args->reserve(cd->baseclasses.dim); |
| 4786 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4787 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4788 args->push(new Parameter(STCin, b->type, NULL, NULL)); |
| 159 | 4789 } |
| 4790 tded = new TypeTuple(args); | |
| 4791 } | |
| 4792 break; | |
| 4793 | |
| 4794 case TOKenum: | |
| 4795 if (targ->ty != Tenum) | |
| 4796 goto Lno; | |
| 4797 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4798 break; | |
| 4799 | |
| 4800 case TOKdelegate: | |
| 4801 if (targ->ty != Tdelegate) | |
| 4802 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
|
4803 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4804 break; |
| 4805 | |
| 4806 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
|
4807 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4808 if (targ->ty != Tfunction) |
| 159 | 4809 goto Lno; |
| 4810 tded = targ; | |
| 4811 | |
| 4812 /* Generate tuple from function parameter types. | |
| 4813 */ | |
| 4814 assert(tded->ty == Tfunction); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4815 Parameters *params = ((TypeFunction *)tded)->parameters; |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4816 size_t dim = Parameter::dim(params); |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4817 Parameters *args = new Parameters; |
| 159 | 4818 args->reserve(dim); |
| 4819 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
|
4820 { Parameter *arg = Parameter::getNth(params, i); |
| 159 | 4821 assert(arg && arg->type); |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
4822 args->push(new Parameter(arg->storageClass, arg->type, NULL, NULL)); |
| 159 | 4823 } |
| 4824 tded = new TypeTuple(args); | |
| 4825 break; | |
| 4826 } | |
| 4827 case TOKreturn: | |
| 4828 /* Get the 'return type' for the function, | |
| 4829 * delegate, or pointer to function. | |
| 4830 */ | |
| 4831 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
|
4832 tded = ((TypeFunction *)targ)->next; |
| 159 | 4833 else if (targ->ty == Tdelegate) |
| 4834 tded = targ->next->next; | |
| 4835 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4836 tded = targ->next->next; | |
| 4837 else | |
| 4838 goto Lno; | |
| 4839 break; | |
| 4840 | |
| 4841 default: | |
| 4842 assert(0); | |
| 4843 } | |
| 4844 goto Lyes; | |
| 4845 } | |
| 4846 else if (id && tspec) | |
| 4847 { | |
| 4848 /* Evaluate to TRUE if targ matches tspec. | |
| 4849 * If TRUE, declare id as an alias for the specialized type. | |
| 4850 */ | |
| 4851 | |
| 4852 MATCH m; | |
| 4853 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4854 | |
| 4855 TemplateParameters parameters; | |
| 4856 parameters.setDim(1); | |
| 4857 parameters.data[0] = (void *)&tp; | |
| 4858 | |
| 4859 Objects dedtypes; | |
| 4860 dedtypes.setDim(1); | |
| 4861 dedtypes.data[0] = NULL; | |
| 4862 | |
| 4863 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4864 if (m == MATCHnomatch || | |
| 4865 (m != MATCHexact && tok == TOKequal)) | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4866 { |
| 159 | 4867 goto Lno; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4868 } |
| 159 | 4869 else |
| 4870 { | |
| 4871 assert(dedtypes.dim == 1); | |
| 4872 tded = (Type *)dedtypes.data[0]; | |
| 4873 if (!tded) | |
| 4874 tded = targ; | |
| 4875 goto Lyes; | |
| 4876 } | |
| 4877 } | |
| 4878 else if (id) | |
| 4879 { | |
| 4880 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4881 */ | |
| 4882 tded = targ; | |
| 4883 goto Lyes; | |
| 4884 } | |
| 4885 else if (tspec) | |
| 4886 { | |
| 4887 /* Evaluate to TRUE if targ matches tspec | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4888 * is(targ == tspec) |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
4889 * is(targ : tspec) |
| 159 | 4890 */ |
| 4891 tspec = tspec->semantic(loc, sc); | |
| 4892 //printf("targ = %s\n", targ->toChars()); | |
| 4893 //printf("tspec = %s\n", tspec->toChars()); | |
| 4894 if (tok == TOKcolon) | |
| 4895 { if (targ->implicitConvTo(tspec)) | |
| 4896 goto Lyes; | |
| 4897 else | |
| 4898 goto Lno; | |
| 4899 } | |
| 4900 else /* == */ | |
| 4901 { if (targ->equals(tspec)) | |
| 4902 goto Lyes; | |
| 4903 else | |
| 4904 goto Lno; | |
| 4905 } | |
| 4906 } | |
| 4907 | |
| 4908 Lyes: | |
| 4909 if (id) | |
| 4910 { | |
| 4911 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4912 s->semantic(sc); | |
| 4913 sc->insert(s); | |
| 4914 if (sc->sd) | |
| 4915 s->addMember(sc, sc->sd, 1); | |
| 4916 } | |
| 4917 return new IntegerExp(1); | |
| 4918 | |
| 4919 Lno: | |
| 4920 return new IntegerExp(0); | |
| 4921 } | |
| 4922 | |
| 4923 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4924 { | |
| 4925 buf->writestring("is("); | |
| 4926 targ->toCBuffer(buf, id, hgs); | |
| 4927 if (tok2 != TOKreserved) | |
| 4928 { | |
| 4929 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4930 } | |
| 4931 else if (tspec) | |
| 4932 { | |
| 4933 if (tok == TOKcolon) | |
| 4934 buf->writestring(" : "); | |
| 4935 else | |
| 4936 buf->writestring(" == "); | |
| 4937 tspec->toCBuffer(buf, NULL, hgs); | |
| 4938 } | |
| 336 | 4939 #if DMDV2 |
| 159 | 4940 if (parameters) |
| 4941 { // First parameter is already output, so start with second | |
| 4942 for (int i = 1; i < parameters->dim; i++) | |
| 4943 { | |
| 4944 buf->writeByte(','); | |
| 4945 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4946 tp->toCBuffer(buf, hgs); | |
| 4947 } | |
| 4948 } | |
| 4949 #endif | |
| 4950 buf->writeByte(')'); | |
| 4951 } | |
| 4952 | |
| 4953 | |
| 4954 /************************************************************/ | |
| 4955 | |
| 4956 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4957 : Expression(loc, op, size) | |
| 4958 { | |
| 4959 this->e1 = e1; | |
| 4960 } | |
| 4961 | |
| 4962 Expression *UnaExp::syntaxCopy() | |
| 4963 { UnaExp *e; | |
| 4964 | |
| 4965 e = (UnaExp *)copy(); | |
| 4966 e->type = NULL; | |
| 4967 e->e1 = e->e1->syntaxCopy(); | |
| 4968 return e; | |
| 4969 } | |
| 4970 | |
| 4971 Expression *UnaExp::semantic(Scope *sc) | |
| 4972 { | |
| 4973 #if LOGSEMANTIC | |
| 4974 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4975 #endif | |
| 4976 e1 = e1->semantic(sc); | |
| 4977 // if (!e1->type) | |
| 4978 // error("%s has no value", e1->toChars()); | |
| 4979 return this; | |
| 4980 } | |
| 4981 | |
|
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Merged DMD 1.038
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diff
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|
4982 #if DMDV2 |
|
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diff
changeset
|
4983 int UnaExp::canThrow() |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4984 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4985 return e1->canThrow(); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4986 } |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
4987 #endif |
|
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parents:
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diff
changeset
|
4988 |
| 159 | 4989 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4990 { | |
| 4991 buf->writestring(Token::toChars(op)); | |
| 4992 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4993 } | |
| 4994 | |
| 4995 /************************************************************/ | |
| 4996 | |
| 4997 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4998 : Expression(loc, op, size) | |
| 4999 { | |
| 5000 this->e1 = e1; | |
| 5001 this->e2 = e2; | |
| 5002 } | |
| 5003 | |
| 5004 Expression *BinExp::syntaxCopy() | |
| 5005 { BinExp *e; | |
| 5006 | |
| 5007 e = (BinExp *)copy(); | |
| 5008 e->type = NULL; | |
| 5009 e->e1 = e->e1->syntaxCopy(); | |
| 5010 e->e2 = e->e2->syntaxCopy(); | |
| 5011 return e; | |
| 5012 } | |
| 5013 | |
| 5014 Expression *BinExp::semantic(Scope *sc) | |
| 5015 { | |
| 5016 #if LOGSEMANTIC | |
| 5017 printf("BinExp::semantic('%s')\n", toChars()); | |
| 5018 #endif | |
| 5019 e1 = e1->semantic(sc); | |
|
717
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Merged DMD 1.036.
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diff
changeset
|
5020 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
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parents:
664
diff
changeset
|
5021 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 5022 { |
| 5023 error("%s has no value", e1->toChars()); | |
| 5024 e1->type = Type::terror; | |
| 5025 } | |
| 5026 e2 = e2->semantic(sc); | |
| 5027 if (!e2->type) | |
| 5028 { | |
| 5029 error("%s has no value", e2->toChars()); | |
| 5030 e2->type = Type::terror; | |
| 5031 } | |
| 5032 return this; | |
| 5033 } | |
| 5034 | |
| 5035 Expression *BinExp::semanticp(Scope *sc) | |
| 5036 { | |
| 5037 BinExp::semantic(sc); | |
| 5038 e1 = resolveProperties(sc, e1); | |
| 5039 e2 = resolveProperties(sc, e2); | |
| 5040 return this; | |
| 5041 } | |
| 5042 | |
| 5043 /*************************** | |
| 5044 * Common semantic routine for some xxxAssignExp's. | |
| 5045 */ | |
| 5046 | |
| 5047 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 5048 { Expression *e; | |
| 5049 | |
| 5050 if (!type) | |
| 5051 { | |
| 5052 BinExp::semantic(sc); | |
| 5053 e2 = resolveProperties(sc, e2); | |
| 5054 | |
| 5055 e = op_overload(sc); | |
| 5056 if (e) | |
| 5057 return e; | |
| 5058 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5059 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5060 { // T[] op= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5061 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5062 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5063 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5064 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5065 |
| 159 | 5066 e1 = e1->modifiableLvalue(sc, e1); |
| 5067 e1->checkScalar(); | |
| 5068 type = e1->type; | |
| 5069 if (type->toBasetype()->ty == Tbool) | |
| 5070 { | |
| 5071 error("operator not allowed on bool expression %s", toChars()); | |
| 5072 } | |
| 5073 typeCombine(sc); | |
| 5074 e1->checkArithmetic(); | |
| 5075 e2->checkArithmetic(); | |
| 5076 | |
| 5077 if (op == TOKmodass && e2->type->iscomplex()) | |
| 5078 { error("cannot perform modulo complex arithmetic"); | |
| 1587 | 5079 return new ErrorExp(); |
| 159 | 5080 } |
| 5081 } | |
| 5082 return this; | |
| 5083 } | |
| 5084 | |
| 5085 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 5086 { Expression *e; | |
| 5087 | |
| 5088 if (!type) | |
| 5089 { | |
| 5090 BinExp::semantic(sc); | |
| 5091 e2 = resolveProperties(sc, e2); | |
| 5092 | |
| 5093 e = op_overload(sc); | |
| 5094 if (e) | |
| 5095 return e; | |
| 5096 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5097 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
|
5098 { // 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
|
5099 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
|
5100 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
|
5101 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
|
5102 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5103 |
| 159 | 5104 e1 = e1->modifiableLvalue(sc, e1); |
| 5105 e1->checkScalar(); | |
| 5106 type = e1->type; | |
| 5107 if (type->toBasetype()->ty == Tbool) | |
| 5108 { | |
| 5109 e2 = e2->implicitCastTo(sc, type); | |
| 5110 } | |
| 5111 | |
| 5112 typeCombine(sc); | |
| 5113 e1->checkIntegral(); | |
| 5114 e2->checkIntegral(); | |
| 5115 } | |
| 5116 return this; | |
| 5117 } | |
| 5118 | |
| 5119 int BinExp::checkSideEffect(int flag) | |
| 5120 { | |
| 5121 if (op == TOKplusplus || | |
| 5122 op == TOKminusminus || | |
| 5123 op == TOKassign || | |
| 5124 op == TOKconstruct || | |
| 5125 op == TOKblit || | |
| 5126 op == TOKaddass || | |
| 5127 op == TOKminass || | |
| 5128 op == TOKcatass || | |
| 5129 op == TOKmulass || | |
| 5130 op == TOKdivass || | |
| 5131 op == TOKmodass || | |
| 5132 op == TOKshlass || | |
| 5133 op == TOKshrass || | |
| 5134 op == TOKushrass || | |
| 5135 op == TOKandass || | |
| 5136 op == TOKorass || | |
| 5137 op == TOKxorass || | |
| 5138 op == TOKin || | |
| 5139 op == TOKremove) | |
| 5140 return 1; | |
| 5141 return Expression::checkSideEffect(flag); | |
| 5142 } | |
| 5143 | |
| 1587 | 5144 // generate an error if this is a nonsensical *=,/=, or %=, eg real *= imaginary |
| 5145 void BinExp::checkComplexMulAssign() | |
| 5146 { | |
| 5147 // Any multiplication by an imaginary or complex number yields a complex result. | |
| 5148 // r *= c, i*=c, r*=i, i*=i are all forbidden operations. | |
| 5149 const char *opstr = Token::toChars(op); | |
| 5150 if ( e1->type->isreal() && e2->type->iscomplex()) | |
| 5151 { | |
| 5152 error("%s %s %s is undefined. Did you mean %s %s %s.re ?", | |
| 5153 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5154 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5155 } | |
| 5156 else if (e1->type->isimaginary() && e2->type->iscomplex()) | |
| 5157 { | |
| 5158 error("%s %s %s is undefined. Did you mean %s %s %s.im ?", | |
| 5159 e1->type->toChars(), opstr, e2->type->toChars(), | |
| 5160 e1->type->toChars(), opstr, e2->type->toChars()); | |
| 5161 } | |
| 5162 else if ((e1->type->isreal() || e1->type->isimaginary()) && | |
| 5163 e2->type->isimaginary()) | |
| 5164 { | |
| 5165 error("%s %s %s is an undefined operation", e1->type->toChars(), | |
| 5166 opstr, e2->type->toChars()); | |
| 5167 } | |
| 5168 } | |
| 5169 | |
| 5170 // generate an error if this is a nonsensical += or -=, eg real += imaginary | |
| 5171 void BinExp::checkComplexAddAssign() | |
| 5172 { | |
| 5173 // Addition or subtraction of a real and an imaginary is a complex result. | |
| 5174 // Thus, r+=i, r+=c, i+=r, i+=c are all forbidden operations. | |
| 5175 if ( (e1->type->isreal() && (e2->type->isimaginary() || e2->type->iscomplex())) || | |
| 5176 (e1->type->isimaginary() && (e2->type->isreal() || e2->type->iscomplex())) | |
| 5177 ) | |
| 5178 { | |
| 5179 error("%s %s %s is undefined (result is complex)", | |
| 5180 e1->type->toChars(), Token::toChars(op), e2->type->toChars()); | |
| 5181 } | |
| 5182 } | |
| 5183 | |
| 159 | 5184 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5185 { | |
| 5186 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5187 buf->writeByte(' '); | |
| 5188 buf->writestring(Token::toChars(op)); | |
| 5189 buf->writeByte(' '); | |
| 5190 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5191 } | |
| 5192 | |
| 5193 int BinExp::isunsigned() | |
| 5194 { | |
| 5195 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5196 } | |
| 5197 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5198 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5199 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5200 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5201 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5202 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5203 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5204 |
| 159 | 5205 void BinExp::incompatibleTypes() |
| 5206 { | |
| 5207 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5208 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5209 e1->type->toChars(), e2->type->toChars()); | |
| 5210 } | |
| 5211 | |
| 5212 /************************************************************/ | |
| 5213 | |
| 5214 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5215 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5216 { | |
| 5217 } | |
| 5218 | |
| 5219 Expression *CompileExp::semantic(Scope *sc) | |
| 5220 { | |
| 5221 #if LOGSEMANTIC | |
| 5222 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5223 #endif | |
| 5224 UnaExp::semantic(sc); | |
| 5225 e1 = resolveProperties(sc, e1); | |
| 5226 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5227 if (e1->op != TOKstring) | |
| 5228 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5229 type = Type::terror; | |
| 5230 return this; | |
| 5231 } | |
| 5232 StringExp *se = (StringExp *)e1; | |
| 5233 se = se->toUTF8(sc); | |
| 5234 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5235 p.loc = loc; | |
| 5236 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5237 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5238 Expression *e = p.parseExpression(); |
| 5239 if (p.token.value != TOKeof) | |
| 5240 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5241 return e->semantic(sc); | |
| 5242 } | |
| 5243 | |
| 5244 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5245 { | |
| 5246 buf->writestring("mixin("); | |
| 5247 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5248 buf->writeByte(')'); | |
| 5249 } | |
| 5250 | |
| 5251 /************************************************************/ | |
| 5252 | |
| 5253 FileExp::FileExp(Loc loc, Expression *e) | |
| 5254 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5255 { | |
| 5256 } | |
| 5257 | |
| 5258 Expression *FileExp::semantic(Scope *sc) | |
| 5259 { char *name; | |
| 5260 StringExp *se; | |
| 5261 | |
| 5262 #if LOGSEMANTIC | |
| 5263 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5264 #endif | |
| 5265 UnaExp::semantic(sc); | |
| 5266 e1 = resolveProperties(sc, e1); | |
| 5267 e1 = e1->optimize(WANTvalue); | |
| 5268 if (e1->op != TOKstring) | |
| 5269 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5270 goto Lerror; | |
| 5271 } | |
| 5272 se = (StringExp *)e1; | |
| 5273 se = se->toUTF8(sc); | |
| 5274 name = (char *)se->string; | |
| 5275 | |
| 5276 if (!global.params.fileImppath) | |
| 5277 { error("need -Jpath switch to import text file %s", name); | |
| 5278 goto Lerror; | |
| 5279 } | |
| 5280 | |
| 5281 if (name != FileName::name(name)) | |
| 5282 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5283 goto Lerror; | |
| 5284 } | |
| 5285 | |
| 5286 name = FileName::searchPath(global.filePath, name, 0); | |
| 5287 if (!name) | |
| 5288 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5289 goto Lerror; | |
| 5290 } | |
| 5291 | |
| 5292 if (global.params.verbose) | |
| 1587 | 5293 printf("file %s\t(%s)\n", (char *)se->string, name); |
| 159 | 5294 |
| 5295 { File f(name); | |
| 5296 if (f.read()) | |
| 5297 { error("cannot read file %s", f.toChars()); | |
| 5298 goto Lerror; | |
| 5299 } | |
| 5300 else | |
| 5301 { | |
| 5302 f.ref = 1; | |
| 5303 se = new StringExp(loc, f.buffer, f.len); | |
| 5304 } | |
| 5305 } | |
| 5306 Lret: | |
| 5307 return se->semantic(sc); | |
| 5308 | |
| 5309 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5310 se = new StringExp(loc, (char *)""); |
| 159 | 5311 goto Lret; |
| 5312 } | |
| 5313 | |
| 5314 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5315 { | |
| 5316 buf->writestring("import("); | |
| 5317 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5318 buf->writeByte(')'); | |
| 5319 } | |
| 5320 | |
| 5321 /************************************************************/ | |
| 5322 | |
| 5323 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5324 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5325 { | |
| 5326 this->msg = msg; | |
| 5327 } | |
| 5328 | |
| 5329 Expression *AssertExp::syntaxCopy() | |
| 5330 { | |
| 5331 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5332 msg ? msg->syntaxCopy() : NULL); | |
| 5333 return ae; | |
| 5334 } | |
| 5335 | |
| 5336 Expression *AssertExp::semantic(Scope *sc) | |
| 5337 { | |
| 5338 #if LOGSEMANTIC | |
| 5339 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5340 #endif | |
| 5341 UnaExp::semantic(sc); | |
| 5342 e1 = resolveProperties(sc, e1); | |
| 5343 // BUG: see if we can do compile time elimination of the Assert | |
| 5344 e1 = e1->optimize(WANTvalue); | |
| 5345 e1 = e1->checkToBoolean(); | |
| 5346 if (msg) | |
| 5347 { | |
| 5348 msg = msg->semantic(sc); | |
| 5349 msg = resolveProperties(sc, msg); | |
| 5350 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5351 msg = msg->optimize(WANTvalue); | |
| 5352 } | |
| 5353 if (e1->isBool(FALSE)) | |
| 5354 { | |
| 5355 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5356 fd->hasReturnExp |= 4; | |
| 5357 | |
| 5358 if (!global.params.useAssert) | |
| 5359 { Expression *e = new HaltExp(loc); | |
| 5360 e = e->semantic(sc); | |
| 5361 return e; | |
| 5362 } | |
| 5363 } | |
| 5364 type = Type::tvoid; | |
| 5365 return this; | |
| 5366 } | |
| 5367 | |
| 5368 int AssertExp::checkSideEffect(int flag) | |
| 5369 { | |
| 5370 return 1; | |
| 5371 } | |
| 5372 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5373 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5374 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5375 { |
| 1587 | 5376 /* assert()s are non-recoverable errors, so functions that |
| 5377 * use them can be considered "nothrow" | |
| 5378 */ | |
| 5379 return 0; //(global.params.useAssert != 0); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5380 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5381 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5382 |
| 159 | 5383 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5384 { | |
| 5385 buf->writestring("assert("); | |
| 5386 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5387 if (msg) | |
| 5388 { | |
| 5389 buf->writeByte(','); | |
| 5390 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5391 } | |
| 5392 buf->writeByte(')'); | |
| 5393 } | |
| 5394 | |
| 5395 /************************************************************/ | |
| 5396 | |
| 5397 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5398 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5399 { | |
| 5400 this->ident = ident; | |
| 5401 } | |
| 5402 | |
| 5403 Expression *DotIdExp::semantic(Scope *sc) | |
| 5404 { Expression *e; | |
| 5405 Expression *eleft; | |
| 5406 Expression *eright; | |
| 5407 | |
| 5408 #if LOGSEMANTIC | |
| 5409 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5410 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5411 #endif | |
| 5412 | |
| 5413 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5414 | |
| 5415 #if 0 | |
| 5416 /* Don't do semantic analysis if we'll be converting | |
| 5417 * it to a string. | |
| 5418 */ | |
| 5419 if (ident == Id::stringof) | |
| 5420 { char *s = e1->toChars(); | |
| 5421 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5422 e = e->semantic(sc); | |
| 5423 return e; | |
| 5424 } | |
| 5425 #endif | |
| 5426 | |
| 5427 /* Special case: rewrite this.id and super.id | |
| 5428 * to be classtype.id and baseclasstype.id | |
| 5429 * if we have no this pointer. | |
| 5430 */ | |
| 5431 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5432 { ClassDeclaration *cd; | |
| 5433 StructDeclaration *sd; | |
| 5434 AggregateDeclaration *ad; | |
| 5435 | |
| 5436 ad = sc->getStructClassScope(); | |
| 5437 if (ad) | |
| 5438 { | |
| 5439 cd = ad->isClassDeclaration(); | |
| 5440 if (cd) | |
| 5441 { | |
| 5442 if (e1->op == TOKthis) | |
| 5443 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5444 e = typeDotIdExp(loc, cd->type, ident); |
| 159 | 5445 return e->semantic(sc); |
| 5446 } | |
| 5447 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5448 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5449 e = typeDotIdExp(loc, cd->baseClass->type, ident); |
| 159 | 5450 return e->semantic(sc); |
| 5451 } | |
| 5452 } | |
| 5453 else | |
| 5454 { | |
| 5455 sd = ad->isStructDeclaration(); | |
| 5456 if (sd) | |
| 5457 { | |
| 5458 if (e1->op == TOKthis) | |
| 5459 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5460 e = typeDotIdExp(loc, sd->type, ident); |
| 159 | 5461 return e->semantic(sc); |
| 5462 } | |
| 5463 } | |
| 5464 } | |
| 5465 } | |
| 5466 } | |
| 5467 | |
| 5468 UnaExp::semantic(sc); | |
| 5469 | |
| 5470 if (e1->op == TOKdotexp) | |
| 5471 { | |
| 5472 DotExp *de = (DotExp *)e1; | |
| 5473 eleft = de->e1; | |
| 5474 eright = de->e2; | |
| 5475 } | |
| 5476 else | |
| 5477 { | |
| 5478 e1 = resolveProperties(sc, e1); | |
| 5479 eleft = NULL; | |
| 5480 eright = e1; | |
| 5481 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5482 #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
|
5483 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
|
5484 { /* '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
|
5485 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5486 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
|
5487 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
|
5488 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
|
5489 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
|
5490 { 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
|
5491 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
|
5492 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
|
5493 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
|
5494 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5495 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
|
5496 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
|
5497 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
|
5498 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5499 #endif |
| 159 | 5500 |
| 5501 if (e1->op == TOKtuple && ident == Id::length) | |
| 5502 { | |
| 5503 TupleExp *te = (TupleExp *)e1; | |
| 5504 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5505 return e; | |
| 5506 } | |
| 5507 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5508 if (e1->op == TOKdottd) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5509 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5510 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
|
5511 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5512 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5513 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5514 if (!e1->type) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5515 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5516 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
|
5517 return e1; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5518 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5519 |
| 159 | 5520 if (eright->op == TOKimport) // also used for template alias's |
| 5521 { | |
| 5522 ScopeExp *ie = (ScopeExp *)eright; | |
| 5523 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5524 /* 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
|
5525 * 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
|
5526 * 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
|
5527 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5528 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
|
5529 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5530 if (s) |
| 5531 { | |
| 5532 s = s->toAlias(); | |
| 5533 checkDeprecated(sc, s); | |
| 5534 | |
| 5535 EnumMember *em = s->isEnumMember(); | |
| 5536 if (em) | |
| 5537 { | |
| 5538 e = em->value; | |
| 5539 e = e->semantic(sc); | |
| 5540 return e; | |
| 5541 } | |
| 5542 | |
| 5543 VarDeclaration *v = s->isVarDeclaration(); | |
| 5544 if (v) | |
| 5545 { | |
| 5546 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5547 if (v->inuse) | |
| 5548 { | |
| 5549 error("circular reference to '%s'", v->toChars()); | |
| 5550 type = Type::tint32; | |
| 5551 return this; | |
| 5552 } | |
| 5553 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
|
5554 if (v->isSameAsInitializer()) |
| 159 | 5555 { |
| 5556 if (v->init) | |
| 5557 { | |
| 5558 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5559 if (ei) | |
| 5560 { | |
| 5561 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5562 //ei->exp = ei->exp->semantic(sc); | |
| 5563 if (ei->exp->type == type) | |
| 5564 { | |
| 5565 e = ei->exp->copy(); // make copy so we can change loc | |
| 5566 e->loc = loc; | |
| 5567 return e; | |
| 5568 } | |
| 5569 } | |
| 5570 } | |
| 5571 else if (type->isscalar()) | |
| 5572 { | |
| 5573 e = type->defaultInit(); | |
| 5574 e->loc = loc; | |
| 5575 return e; | |
| 5576 } | |
| 5577 } | |
| 5578 if (v->needThis()) | |
| 5579 { | |
| 5580 if (!eleft) | |
| 5581 eleft = new ThisExp(loc); | |
| 5582 e = new DotVarExp(loc, eleft, v); | |
| 5583 e = e->semantic(sc); | |
| 5584 } | |
| 5585 else | |
| 5586 { | |
| 5587 e = new VarExp(loc, v); | |
| 5588 if (eleft) | |
| 5589 { e = new CommaExp(loc, eleft, e); | |
| 5590 e->type = v->type; | |
| 5591 } | |
| 5592 } | |
| 5593 return e->deref(); | |
| 5594 } | |
| 5595 | |
| 5596 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5597 if (f) | |
| 5598 { | |
| 5599 //printf("it's a function\n"); | |
| 5600 if (f->needThis()) | |
| 5601 { | |
| 5602 if (!eleft) | |
| 5603 eleft = new ThisExp(loc); | |
| 5604 e = new DotVarExp(loc, eleft, f); | |
| 5605 e = e->semantic(sc); | |
| 5606 } | |
| 5607 else | |
| 5608 { | |
| 5609 e = new VarExp(loc, f); | |
| 5610 if (eleft) | |
| 5611 { e = new CommaExp(loc, eleft, e); | |
| 5612 e->type = f->type; | |
| 5613 } | |
| 5614 } | |
| 5615 return e; | |
| 5616 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5617 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5618 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5619 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5620 { //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
|
5621 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5622 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5623 #endif |
| 159 | 5624 |
| 5625 Type *t = s->getType(); | |
| 5626 if (t) | |
| 5627 { | |
| 5628 return new TypeExp(loc, t); | |
| 5629 } | |
| 5630 | |
| 336 | 5631 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5632 if (tup) | |
| 5633 { | |
| 5634 if (eleft) | |
| 5635 error("cannot have e.tuple"); | |
| 5636 e = new TupleExp(loc, tup); | |
| 5637 e = e->semantic(sc); | |
| 5638 return e; | |
| 5639 } | |
| 5640 | |
| 159 | 5641 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5642 if (sds) | |
| 5643 { | |
| 5644 //printf("it's a ScopeDsymbol\n"); | |
| 5645 e = new ScopeExp(loc, sds); | |
| 5646 e = e->semantic(sc); | |
| 5647 if (eleft) | |
| 5648 e = new DotExp(loc, eleft, e); | |
| 5649 return e; | |
| 5650 } | |
| 5651 | |
| 5652 Import *imp = s->isImport(); | |
| 5653 if (imp) | |
| 5654 { | |
| 5655 ScopeExp *ie; | |
| 5656 | |
| 5657 ie = new ScopeExp(loc, imp->pkg); | |
| 5658 return ie->semantic(sc); | |
| 5659 } | |
| 5660 | |
| 5661 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5662 #ifdef DEBUG | |
| 5663 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5664 #endif | |
| 5665 assert(0); | |
| 5666 } | |
| 5667 else if (ident == Id::stringof) | |
| 5668 { char *s = ie->toChars(); | |
| 5669 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5670 e = e->semantic(sc); | |
| 5671 return e; | |
| 5672 } | |
| 5673 error("undefined identifier %s", toChars()); | |
| 5674 type = Type::tvoid; | |
| 5675 return this; | |
| 5676 } | |
| 5677 else if (e1->type->ty == Tpointer && | |
| 5678 ident != Id::init && ident != Id::__sizeof && | |
| 5679 ident != Id::alignof && ident != Id::offsetof && | |
| 5680 ident != Id::mangleof && ident != Id::stringof) | |
| 1587 | 5681 { /* Rewrite: |
| 5682 * p.ident | |
| 5683 * as: | |
| 5684 * (*p).ident | |
| 5685 */ | |
| 159 | 5686 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
|
5687 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5688 return e->type->dotExp(sc, e, ident); |
| 5689 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 { /* 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
|
5695 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5698 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5699 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5700 global.gag++; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5701 Type *t1 = e1->type; |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5702 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5703 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5704 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
|
5705 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5706 global.errors = errors; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5707 e1->type = t1; // kludge to restore type |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5708 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
|
5709 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5710 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5711 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5712 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5713 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5714 #endif |
| 159 | 5715 else |
| 5716 { | |
| 5717 e = e1->type->dotExp(sc, e1, ident); | |
| 5718 e = e->semantic(sc); | |
| 5719 return e; | |
| 5720 } | |
| 5721 } | |
| 5722 | |
| 5723 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5724 { | |
| 5725 //printf("DotIdExp::toCBuffer()\n"); | |
| 5726 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5727 buf->writeByte('.'); | |
| 5728 buf->writestring(ident->toChars()); | |
| 5729 } | |
| 5730 | |
| 5731 /********************** DotTemplateExp ***********************************/ | |
| 5732 | |
| 5733 // Mainly just a placeholder | |
| 5734 | |
| 5735 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5736 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5737 | |
| 5738 { | |
| 5739 this->td = td; | |
| 5740 } | |
| 5741 | |
| 5742 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5743 { | |
| 5744 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5745 buf->writeByte('.'); | |
| 5746 buf->writestring(td->toChars()); | |
| 5747 } | |
| 5748 | |
| 5749 | |
| 5750 /************************************************************/ | |
| 5751 | |
| 5752 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5753 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5754 { | |
| 5755 //printf("DotVarExp()\n"); | |
| 5756 this->var = v; | |
| 5757 } | |
| 5758 | |
| 5759 Expression *DotVarExp::semantic(Scope *sc) | |
| 5760 { | |
| 5761 #if LOGSEMANTIC | |
| 5762 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5763 #endif | |
| 5764 if (!type) | |
| 5765 { | |
| 5766 var = var->toAlias()->isDeclaration(); | |
| 5767 | |
| 5768 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5769 if (tup) | |
| 5770 { /* Replace: | |
| 5771 * e1.tuple(a, b, c) | |
| 5772 * with: | |
| 5773 * tuple(e1.a, e1.b, e1.c) | |
| 5774 */ | |
| 5775 Expressions *exps = new Expressions; | |
| 5776 | |
| 5777 exps->reserve(tup->objects->dim); | |
| 5778 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5779 { Object *o = (Object *)tup->objects->data[i]; | |
| 5780 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5781 { | |
| 5782 error("%s is not an expression", o->toChars()); | |
| 5783 } | |
| 5784 else | |
| 5785 { | |
| 5786 Expression *e = (Expression *)o; | |
| 5787 if (e->op != TOKdsymbol) | |
| 5788 error("%s is not a member", e->toChars()); | |
| 5789 else | |
| 5790 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5791 | |
| 5792 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5793 exps->push(e); | |
| 5794 } | |
| 5795 } | |
| 5796 } | |
| 5797 Expression *e = new TupleExp(loc, exps); | |
| 5798 e = e->semantic(sc); | |
| 5799 return e; | |
| 5800 } | |
| 5801 | |
| 5802 e1 = e1->semantic(sc); | |
| 5803 type = var->type; | |
| 5804 if (!type && global.errors) | |
| 5805 { // var is goofed up, just return 0 | |
| 1587 | 5806 return new ErrorExp(); |
| 159 | 5807 } |
| 5808 assert(type); | |
| 5809 | |
| 5810 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5811 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5812 Dsymbol *vparent = var->toParent(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
5813 AggregateDeclaration *ad = vparent ? vparent->isAggregateDeclaration() : NULL; |
| 336 | 5814 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5815 if (!sc->noaccesscheck) | |
| 5816 accessCheck(loc, sc, e1, var); | |
| 5817 | |
| 5818 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
|
5819 if (v && v->isSameAsInitializer()) |
| 336 | 5820 { ExpInitializer *ei = v->getExpInitializer(); |
| 5821 if (ei) | |
| 5822 { Expression *e = ei->exp->copy(); | |
| 5823 e = e->semantic(sc); | |
| 5824 return e; | |
| 159 | 5825 } |
| 5826 } | |
| 5827 } | |
| 5828 } | |
| 5829 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5830 return this; | |
| 5831 } | |
| 5832 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5833 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5834 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5835 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5836 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5837 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5838 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5839 |
| 159 | 5840 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5841 { | |
| 5842 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5843 return this; | |
| 5844 } | |
| 5845 | |
| 5846 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5847 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5848 #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
|
5849 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
|
5850 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
|
5851 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
|
5852 #endif |
| 159 | 5853 |
| 5854 if (var->isCtorinit()) | |
| 5855 { // It's only modifiable if inside the right constructor | |
| 5856 Dsymbol *s = sc->func; | |
| 5857 while (1) | |
| 5858 { | |
| 5859 FuncDeclaration *fd = NULL; | |
| 5860 if (s) | |
| 5861 fd = s->isFuncDeclaration(); | |
| 5862 if (fd && | |
| 5863 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5864 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5865 fd->toParent() == var->toParent() && | |
| 5866 e1->op == TOKthis | |
| 5867 ) | |
| 5868 { | |
| 5869 VarDeclaration *v = var->isVarDeclaration(); | |
| 5870 assert(v); | |
| 5871 v->ctorinit = 1; | |
| 5872 //printf("setting ctorinit\n"); | |
| 5873 } | |
| 5874 else | |
| 5875 { | |
| 5876 if (s) | |
| 5877 { s = s->toParent2(); | |
| 5878 continue; | |
| 5879 } | |
| 5880 else | |
| 5881 { | |
| 5882 const char *p = var->isStatic() ? "static " : ""; | |
| 5883 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5884 p, var->toChars(), p); | |
| 5885 } | |
| 5886 } | |
| 5887 break; | |
| 5888 } | |
| 5889 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5890 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5891 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5892 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5893 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5894 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5895 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5896 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5897 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5898 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5899 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5900 ) |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
5901 error("cannot modify const/immutable expression %s", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5902 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5903 #endif |
| 159 | 5904 return this; |
| 5905 } | |
| 5906 | |
| 5907 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5908 { | |
| 5909 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5910 buf->writeByte('.'); | |
| 5911 buf->writestring(var->toChars()); | |
| 5912 } | |
| 5913 | |
| 5914 /************************************************************/ | |
| 5915 | |
| 5916 /* Things like: | |
| 5917 * foo.bar!(args) | |
| 5918 */ | |
| 5919 | |
| 5920 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5921 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5922 { | |
| 5923 //printf("DotTemplateInstanceExp()\n"); | |
| 5924 this->ti = ti; | |
| 5925 } | |
| 5926 | |
| 5927 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5928 { | |
| 5929 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5930 e1->syntaxCopy(), | |
| 5931 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5932 return de; | |
| 5933 } | |
| 5934 | |
| 5935 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5936 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5937 #if 1 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5938 #if LOGSEMANTIC |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5939 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5940 #endif |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5941 Expression *eleft; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5942 Expression *e = new DotIdExp(loc, e1, ti->name); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5943 L1: |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5944 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5945 if (e->op == TOKdottd) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5946 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5947 DotTemplateExp *dte = (DotTemplateExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5948 TemplateDeclaration *td = dte->td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5949 eleft = dte->e1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5950 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5951 ti->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5952 Dsymbol *s = ti->inst->toAlias(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5953 Declaration *v = s->isDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5954 if (v) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5955 { e = new DotVarExp(loc, eleft, v); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5956 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5957 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5958 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5959 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5960 e = new DotExp(loc, eleft, e); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5961 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5962 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5963 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5964 else if (e->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5965 { ScopeExp *se = (ScopeExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5966 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5967 if (!td) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5968 { error("%s is not a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5969 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5970 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5971 ti->tempdecl = td; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5972 e = new ScopeExp(loc, ti); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5973 e = e->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5974 return e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5975 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5976 else if (e->op == TOKdotexp) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5977 { DotExp *de = (DotExp *)e; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5978 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5979 if (de->e2->op == TOKimport) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5980 { // This should *really* be moved to ScopeExp::semantic() |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5981 ScopeExp *se = (ScopeExp *)de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5982 de->e2 = new DsymbolExp(loc, se->sds); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5983 de->e2 = de->e2->semantic(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5984 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5985 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5986 if (de->e2->op == TOKtemplate) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5987 { TemplateExp *te = (TemplateExp *) de->e2; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5988 e = new DotTemplateExp(loc,de->e1,te->td); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5989 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5990 goto L1; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5991 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5992 error("%s isn't a template", e->toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5993 return new ErrorExp(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5994 #else |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
5995 Dsymbol *s; |
| 159 | 5996 Dsymbol *s2; |
| 5997 TemplateDeclaration *td; | |
| 5998 Expression *e; | |
| 5999 Identifier *id; | |
| 6000 Type *t1; | |
| 6001 Expression *eleft = NULL; | |
| 6002 Expression *eright; | |
| 6003 | |
| 6004 #if LOGSEMANTIC | |
| 6005 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 6006 #endif | |
| 6007 //e1->print(); | |
| 6008 //print(); | |
| 6009 e1 = e1->semantic(sc); | |
| 6010 t1 = e1->type; | |
| 6011 if (t1) | |
| 6012 t1 = t1->toBasetype(); | |
| 6013 //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
|
6014 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6015 /* 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
|
6016 * 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
|
6017 * 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
|
6018 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6019 |
| 159 | 6020 if (e1->op == TOKdotexp) |
| 6021 { DotExp *de = (DotExp *)e1; | |
| 6022 eleft = de->e1; | |
| 6023 eright = de->e2; | |
| 6024 } | |
| 6025 else | |
| 6026 { eleft = NULL; | |
| 6027 eright = e1; | |
| 6028 } | |
| 6029 if (eright->op == TOKimport) | |
| 6030 { | |
| 6031 s = ((ScopeExp *)eright)->sds; | |
| 6032 } | |
| 6033 else if (e1->op == TOKtype) | |
| 6034 { | |
| 6035 s = t1->isClassHandle(); | |
| 6036 if (!s) | |
| 6037 { if (t1->ty == Tstruct) | |
| 6038 s = ((TypeStruct *)t1)->sym; | |
| 6039 else | |
| 6040 goto L1; | |
| 6041 } | |
| 6042 } | |
| 6043 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 6044 { | |
| 6045 s = t1->toDsymbol(sc); | |
| 6046 eleft = e1; | |
| 6047 } | |
| 6048 else if (t1 && t1->ty == Tpointer) | |
| 6049 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6050 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 6051 if (t1->ty != Tstruct) |
| 6052 goto L1; | |
| 6053 s = t1->toDsymbol(sc); | |
| 6054 eleft = e1; | |
| 6055 } | |
| 6056 else | |
| 6057 { | |
| 6058 L1: | |
| 6059 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 6060 goto Lerr; | |
| 6061 } | |
| 6062 | |
| 6063 assert(s); | |
| 6064 id = ti->name; | |
| 6065 s2 = s->search(loc, id, 0); | |
| 6066 if (!s2) | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6067 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6068 if (!s->ident) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
6069 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
|
6070 else |
|
1258
192529570813
Trivial fix for bug #265
Christian Kamm <kamm incasoftware de>
parents:
1228
diff
changeset
|
6071 error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); |
| 159 | 6072 goto Lerr; |
| 6073 } | |
| 6074 s = s2; | |
| 6075 s->semantic(sc); | |
| 6076 s = s->toAlias(); | |
| 6077 td = s->isTemplateDeclaration(); | |
| 6078 if (!td) | |
| 6079 { | |
| 6080 error("%s is not a template", id->toChars()); | |
| 6081 goto Lerr; | |
| 6082 } | |
| 6083 if (global.errors) | |
| 6084 goto Lerr; | |
| 6085 | |
| 6086 ti->tempdecl = td; | |
| 6087 | |
| 6088 if (eleft) | |
| 6089 { Declaration *v; | |
| 6090 | |
| 6091 ti->semantic(sc); | |
| 6092 s = ti->inst->toAlias(); | |
| 6093 v = s->isDeclaration(); | |
| 6094 if (v) | |
| 6095 { e = new DotVarExp(loc, eleft, v); | |
| 6096 e = e->semantic(sc); | |
| 6097 return e; | |
| 6098 } | |
| 6099 } | |
| 6100 | |
| 6101 e = new ScopeExp(loc, ti); | |
| 6102 if (eleft) | |
| 6103 { | |
| 6104 e = new DotExp(loc, eleft, e); | |
| 6105 } | |
| 6106 e = e->semantic(sc); | |
| 6107 return e; | |
| 6108 | |
| 6109 Lerr: | |
| 336 | 6110 return new IntegerExp(loc, 0, Type::tint32); |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
6111 #endif |
| 159 | 6112 } |
| 6113 | |
| 6114 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6115 { | |
| 6116 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6117 buf->writeByte('.'); | |
| 6118 ti->toCBuffer(buf, hgs); | |
| 6119 } | |
| 6120 | |
| 6121 /************************************************************/ | |
| 6122 | |
| 6123 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 6124 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 6125 { | |
| 6126 this->func = f; | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6127 m = NULL; |
| 159 | 6128 } |
| 6129 | |
| 6130 Expression *DelegateExp::semantic(Scope *sc) | |
| 6131 { | |
| 6132 #if LOGSEMANTIC | |
| 6133 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 6134 #endif | |
| 6135 if (!type) | |
| 6136 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6137 m = sc->module; |
| 159 | 6138 e1 = e1->semantic(sc); |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6139 // 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
|
6140 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 6141 type = type->semantic(loc, sc); |
| 6142 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 6143 if (func->needThis()) |
| 6144 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 6145 } |
| 6146 return this; | |
| 6147 } | |
| 6148 | |
| 6149 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6150 { | |
| 6151 buf->writeByte('&'); | |
| 6152 if (!func->isNested()) | |
| 6153 { | |
| 6154 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6155 buf->writeByte('.'); | |
| 6156 } | |
| 6157 buf->writestring(func->toChars()); | |
| 6158 } | |
| 6159 | |
| 6160 /************************************************************/ | |
| 6161 | |
| 6162 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 6163 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 6164 { | |
| 6165 this->sym = s; | |
| 6166 this->type = s->getType(); | |
| 6167 } | |
| 6168 | |
| 6169 Expression *DotTypeExp::semantic(Scope *sc) | |
| 6170 { | |
| 6171 #if LOGSEMANTIC | |
| 6172 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 6173 #endif | |
| 6174 UnaExp::semantic(sc); | |
| 6175 return this; | |
| 6176 } | |
| 6177 | |
| 6178 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6179 { | |
| 6180 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6181 buf->writeByte('.'); | |
| 6182 buf->writestring(sym->toChars()); | |
| 6183 } | |
| 6184 | |
| 6185 /************************************************************/ | |
| 6186 | |
| 6187 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 6188 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6189 { | |
| 6190 this->arguments = exps; | |
| 6191 } | |
| 6192 | |
| 6193 CallExp::CallExp(Loc loc, Expression *e) | |
| 6194 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6195 { | |
| 6196 this->arguments = NULL; | |
| 6197 } | |
| 6198 | |
| 6199 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 6200 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6201 { | |
| 6202 Expressions *arguments = new Expressions(); | |
| 1587 | 6203 if (earg1) |
| 6204 { arguments->setDim(1); | |
| 6205 arguments->data[0] = (void *)earg1; | |
| 6206 } | |
| 159 | 6207 this->arguments = arguments; |
| 6208 } | |
| 6209 | |
| 6210 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 6211 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 6212 { | |
| 6213 Expressions *arguments = new Expressions(); | |
| 6214 arguments->setDim(2); | |
| 6215 arguments->data[0] = (void *)earg1; | |
| 6216 arguments->data[1] = (void *)earg2; | |
| 6217 | |
| 6218 this->arguments = arguments; | |
| 6219 } | |
| 6220 | |
| 6221 Expression *CallExp::syntaxCopy() | |
| 6222 { | |
| 6223 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 6224 } | |
| 6225 | |
| 6226 | |
| 6227 Expression *CallExp::semantic(Scope *sc) | |
| 6228 { | |
| 6229 TypeFunction *tf; | |
| 6230 FuncDeclaration *f; | |
| 6231 int i; | |
| 6232 Type *t1; | |
| 6233 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
|
6234 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 6235 |
| 6236 #if LOGSEMANTIC | |
| 6237 printf("CallExp::semantic() %s\n", toChars()); | |
| 6238 #endif | |
| 6239 if (type) | |
| 6240 return this; // semantic() already run | |
| 6241 #if 0 | |
| 6242 if (arguments && arguments->dim) | |
| 6243 { | |
| 6244 Expression *earg = (Expression *)arguments->data[0]; | |
| 6245 earg->print(); | |
| 6246 if (earg->type) earg->type->print(); | |
| 6247 } | |
| 6248 #endif | |
| 6249 | |
| 6250 if (e1->op == TOKdelegate) | |
| 6251 { DelegateExp *de = (DelegateExp *)e1; | |
| 6252 | |
| 6253 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 6254 return semantic(sc); | |
| 6255 } | |
| 6256 | |
| 6257 /* Transform: | |
| 6258 * array.id(args) into id(array,args) | |
| 6259 * aa.remove(arg) into delete aa[arg] | |
| 6260 */ | |
| 6261 if (e1->op == TOKdot) | |
| 6262 { | |
| 6263 // BUG: we should handle array.a.b.c.e(args) too | |
| 6264 | |
| 6265 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6266 dotid->e1 = dotid->e1->semantic(sc); | |
| 6267 assert(dotid->e1); | |
| 6268 if (dotid->e1->type) | |
| 6269 { | |
| 6270 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6271 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6272 { | |
| 6273 if (!arguments || arguments->dim != 1) | |
| 6274 { error("expected key as argument to aa.remove()"); | |
| 6275 goto Lagain; | |
| 6276 } | |
| 6277 Expression *key = (Expression *)arguments->data[0]; | |
| 6278 key = key->semantic(sc); | |
| 6279 key = resolveProperties(sc, key); | |
| 6280 key->rvalue(); | |
| 6281 | |
| 6282 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6283 key = key->implicitCastTo(sc, taa->index); | |
| 6284 key = key->implicitCastTo(sc, taa->key); | |
| 6285 | |
| 6286 return new RemoveExp(loc, dotid->e1, key); | |
| 6287 } | |
| 6288 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6289 { | |
| 6290 if (!arguments) | |
| 6291 arguments = new Expressions(); | |
| 6292 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6293 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6294 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
|
6295 #else |
| 159 | 6296 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
|
6297 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6298 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6299 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6300 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6301 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6302 #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
|
6303 /* 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
|
6304 * 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
|
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 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
|
6307 { 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
|
6308 TemplateInstance *ti = se->sds->isTemplateInstance(); |
| 1587 | 6309 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
|
6310 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6311 /* 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
|
6312 * 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
|
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 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
|
6315 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
|
6316 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
|
6317 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
|
6318 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
|
6319 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
|
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 /* 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
|
6322 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6323 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
|
6324 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
|
6325 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
|
6326 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6327 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6328 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6329 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6330 /* 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
|
6331 * 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
|
6332 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6333 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
|
6334 { 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
|
6335 TemplateInstance *ti = se->ti; |
| 1587 | 6336 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
|
6337 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6338 /* 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
|
6339 * 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
|
6340 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6341 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
|
6342 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
|
6343 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
|
6344 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
|
6345 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
|
6346 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
|
6347 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
|
6348 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6349 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
|
6350 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
|
6351 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
|
6352 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6353 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6354 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
|
6355 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6356 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6357 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6358 |
| 159 | 6359 istemp = 0; |
| 6360 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
|
6361 //printf("Lagain: %s\n", toChars()); |
| 159 | 6362 f = NULL; |
| 6363 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6364 { | |
| 6365 // semantic() run later for these | |
| 6366 } | |
| 6367 else | |
| 6368 { | |
| 6369 UnaExp::semantic(sc); | |
| 6370 | |
| 6371 /* Look for e1 being a lazy parameter | |
| 6372 */ | |
| 6373 if (e1->op == TOKvar) | |
| 6374 { VarExp *ve = (VarExp *)e1; | |
| 6375 | |
| 6376 if (ve->var->storage_class & STClazy) | |
| 6377 { | |
| 6378 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6379 TypeDelegate *t = new TypeDelegate(tf); | |
| 6380 ve->type = t->semantic(loc, sc); | |
| 6381 } | |
| 6382 } | |
| 6383 | |
| 6384 if (e1->op == TOKimport) | |
| 6385 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6386 ScopeExp *se = (ScopeExp *)e1; | |
| 6387 e1 = new DsymbolExp(loc, se->sds); | |
| 6388 e1 = e1->semantic(sc); | |
| 6389 } | |
| 6390 #if 1 // patch for #540 by Oskar Linde | |
| 6391 else if (e1->op == TOKdotexp) | |
| 6392 { | |
| 6393 DotExp *de = (DotExp *) e1; | |
| 6394 | |
| 6395 if (de->e2->op == TOKimport) | |
| 6396 { // This should *really* be moved to ScopeExp::semantic() | |
| 6397 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6398 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6399 de->e2 = de->e2->semantic(sc); | |
| 6400 } | |
| 6401 | |
| 6402 if (de->e2->op == TOKtemplate) | |
| 6403 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6404 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6405 } | |
| 6406 } | |
| 6407 #endif | |
| 6408 } | |
| 6409 | |
| 6410 if (e1->op == TOKcomma) | |
| 6411 { | |
| 6412 CommaExp *ce = (CommaExp *)e1; | |
| 6413 | |
| 6414 e1 = ce->e2; | |
| 6415 e1->type = ce->type; | |
| 6416 ce->e2 = this; | |
| 6417 ce->type = NULL; | |
| 6418 return ce->semantic(sc); | |
| 6419 } | |
| 6420 | |
| 6421 t1 = NULL; | |
| 6422 if (e1->type) | |
| 6423 t1 = e1->type->toBasetype(); | |
| 6424 | |
| 6425 // Check for call operator overload | |
| 6426 if (t1) | |
| 6427 { AggregateDeclaration *ad; | |
| 6428 | |
| 6429 if (t1->ty == Tstruct) | |
| 6430 { | |
| 6431 ad = ((TypeStruct *)t1)->sym; | |
| 1587 | 6432 #if DMDV2 |
| 6433 // First look for constructor | |
| 6434 if (ad->ctor && arguments && arguments->dim) | |
| 6435 { | |
| 6436 // Create variable that will get constructed | |
| 6437 Identifier *idtmp = Lexer::uniqueId("__ctmp"); | |
| 6438 VarDeclaration *tmp = new VarDeclaration(loc, t1, idtmp, NULL); | |
| 6439 Expression *av = new DeclarationExp(loc, tmp); | |
| 6440 av = new CommaExp(loc, av, new VarExp(loc, tmp)); | |
| 6441 | |
| 6442 Expression *e; | |
| 6443 CtorDeclaration *cf = ad->ctor->isCtorDeclaration(); | |
| 6444 if (cf) | |
| 6445 e = new DotVarExp(loc, av, cf, 1); | |
| 6446 else | |
| 6447 { TemplateDeclaration *td = ad->ctor->isTemplateDeclaration(); | |
| 6448 assert(td); | |
| 6449 e = new DotTemplateExp(loc, av, td); | |
| 6450 } | |
| 6451 e = new CallExp(loc, e, arguments); | |
| 6452 #if !STRUCTTHISREF | |
| 6453 /* Constructors return a pointer to the instance | |
| 6454 */ | |
| 6455 e = new PtrExp(loc, e); | |
| 6456 #endif | |
| 6457 e = e->semantic(sc); | |
| 6458 return e; | |
| 6459 } | |
| 6460 #endif | |
| 6461 // No constructor, look for overload of opCall | |
| 159 | 6462 if (search_function(ad, Id::call)) |
| 6463 goto L1; // overload of opCall, therefore it's a call | |
| 6464 | |
| 6465 if (e1->op != TOKtype) | |
| 6466 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6467 /* It's a struct literal | |
| 6468 */ | |
| 6469 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6470 e = e->semantic(sc); | |
| 6471 e->type = e1->type; // in case e1->type was a typedef | |
| 6472 return e; | |
| 6473 } | |
| 6474 else if (t1->ty == Tclass) | |
| 6475 { | |
| 6476 ad = ((TypeClass *)t1)->sym; | |
| 6477 goto L1; | |
| 6478 L1: | |
| 6479 // Rewrite as e1.call(arguments) | |
| 6480 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6481 e = new CallExp(loc, e, arguments); | |
| 6482 e = e->semantic(sc); | |
| 6483 return e; | |
| 6484 } | |
| 6485 } | |
| 6486 | |
| 6487 arrayExpressionSemantic(arguments, sc); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6488 preFunctionParameters(loc, sc, arguments); |
| 159 | 6489 |
| 6490 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6491 e1->op == TOKdottd) | |
| 6492 { | |
| 6493 DotVarExp *dve; | |
| 6494 DotTemplateExp *dte; | |
| 6495 AggregateDeclaration *ad; | |
| 6496 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6497 |
| 159 | 6498 if (e1->op == TOKdotvar) |
| 6499 { // Do overload resolution | |
| 6500 dve = (DotVarExp *)(e1); | |
| 6501 | |
| 6502 f = dve->var->isFuncDeclaration(); | |
| 6503 assert(f); | |
| 1587 | 6504 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6505 |
| 6506 ad = f->toParent()->isAggregateDeclaration(); | |
| 6507 } | |
| 6508 else | |
| 6509 { dte = (DotTemplateExp *)(e1); | |
| 6510 TemplateDeclaration *td = dte->td; | |
| 6511 assert(td); | |
| 6512 if (!arguments) | |
| 6513 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6514 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6516 if (!f) |
| 6517 { type = Type::terror; | |
| 6518 return this; | |
| 6519 } | |
| 6520 ad = td->toParent()->isAggregateDeclaration(); | |
| 6521 } | |
| 336 | 6522 if (f->needThis()) |
| 6523 { | |
| 6524 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6525 } | |
| 6526 | |
| 6527 /* Cannot call public functions from inside invariant | |
| 6528 * (because then the invariant would have infinite recursion) | |
| 159 | 6529 */ |
| 336 | 6530 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6531 ue->e1->op == TOKthis && | |
| 6532 f->addPostInvariant() | |
| 159 | 6533 ) |
| 6534 { | |
| 336 | 6535 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6536 } |
| 6537 | |
| 6538 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 #endif |
| 159 | 6542 accessCheck(loc, sc, ue->e1, f); |
| 6543 if (!f->needThis()) | |
| 6544 { | |
| 6545 VarExp *ve = new VarExp(loc, f); | |
| 6546 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6547 e1->type = f->type; | |
| 6548 } | |
| 6549 else | |
| 6550 { | |
| 6551 if (e1->op == TOKdotvar) | |
| 6552 dve->var = f; | |
| 6553 else | |
| 6554 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6555 e1->type = f->type; | |
| 6556 | |
| 6557 // See if we need to adjust the 'this' pointer | |
| 6558 AggregateDeclaration *ad = f->isThis(); | |
| 6559 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6560 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6561 ue->e1->op != TOKsuper) | |
| 6562 { | |
| 6563 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6564 ue->e1 = ue->e1->semantic(sc); | |
| 6565 } | |
| 6566 } | |
| 6567 t1 = e1->type; | |
| 6568 } | |
| 6569 else if (e1->op == TOKsuper) | |
| 6570 { | |
| 6571 // Base class constructor call | |
| 6572 ClassDeclaration *cd = NULL; | |
| 6573 | |
| 6574 if (sc->func) | |
| 6575 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6576 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6577 { | |
| 6578 error("super class constructor call must be in a constructor"); | |
| 6579 type = Type::terror; | |
| 6580 return this; | |
| 6581 } | |
| 6582 else | |
| 6583 { | |
| 6584 f = cd->baseClass->ctor; | |
| 6585 if (!f) | |
| 6586 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6587 type = Type::terror; | |
| 6588 return this; | |
| 6589 } | |
| 6590 else | |
| 6591 { | |
| 336 | 6592 if (!sc->intypeof) |
| 6593 { | |
| 159 | 6594 #if 0 |
| 336 | 6595 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6596 error("reference to this before super()"); | |
| 159 | 6597 #endif |
| 336 | 6598 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6599 error("constructor calls not allowed in loops or after labels"); | |
| 6600 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6601 error("multiple constructor calls"); | |
| 6602 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6603 } | |
| 159 | 6604 |
| 1587 | 6605 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6606 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6607 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6608 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6609 #endif |
| 159 | 6610 e1 = new DotVarExp(e1->loc, e1, f); |
| 6611 e1 = e1->semantic(sc); | |
| 6612 t1 = e1->type; | |
| 6613 } | |
| 6614 } | |
| 6615 } | |
| 6616 else if (e1->op == TOKthis) | |
| 6617 { | |
| 6618 // same class constructor call | |
| 6619 ClassDeclaration *cd = NULL; | |
| 6620 | |
| 6621 if (sc->func) | |
| 6622 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6623 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6624 { | |
| 6625 error("class constructor call must be in a constructor"); | |
| 6626 type = Type::terror; | |
| 6627 return this; | |
| 6628 } | |
| 6629 else | |
| 6630 { | |
| 336 | 6631 if (!sc->intypeof) |
| 6632 { | |
| 159 | 6633 #if 0 |
| 336 | 6634 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6635 error("reference to this before super()"); | |
| 159 | 6636 #endif |
| 336 | 6637 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6638 error("constructor calls not allowed in loops or after labels"); | |
| 6639 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6640 error("multiple constructor calls"); | |
| 6641 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6642 } | |
| 159 | 6643 |
| 6644 f = cd->ctor; | |
| 1587 | 6645 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6646 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6647 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6648 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6649 #endif |
| 159 | 6650 e1 = new DotVarExp(e1->loc, e1, f); |
| 6651 e1 = e1->semantic(sc); | |
| 6652 t1 = e1->type; | |
| 6653 | |
| 6654 // BUG: this should really be done by checking the static | |
| 6655 // call graph | |
| 6656 if (f == sc->func) | |
| 6657 error("cyclic constructor call"); | |
| 6658 } | |
| 6659 } | |
| 6660 else if (!t1) | |
| 6661 { | |
| 6662 error("function expected before (), not '%s'", e1->toChars()); | |
| 6663 type = Type::terror; | |
| 6664 return this; | |
| 6665 } | |
| 6666 else if (t1->ty != Tfunction) | |
| 6667 { | |
| 6668 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
|
6669 { 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
|
6670 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
|
6671 tf = (TypeFunction *)(td->next); |
| 159 | 6672 goto Lcheckargs; |
| 6673 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6674 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6675 { Expression *e; |
| 6676 | |
| 6677 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
|
6678 t1 = ((TypePointer *)t1)->next; |
| 159 | 6679 e->type = t1; |
| 6680 e1 = e; | |
| 6681 } | |
| 6682 else if (e1->op == TOKtemplate) | |
| 6683 { | |
| 6684 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6685 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6686 if (!f) |
| 6687 { type = Type::terror; | |
| 6688 return this; | |
| 6689 } | |
| 6690 if (f->needThis() && hasThis(sc)) | |
| 6691 { | |
| 6692 // Supply an implicit 'this', as in | |
| 6693 // this.ident | |
| 6694 | |
| 6695 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6696 goto Lagain; | |
| 6697 } | |
| 6698 | |
| 6699 e1 = new VarExp(loc, f); | |
| 6700 goto Lagain; | |
| 6701 } | |
| 6702 else | |
| 6703 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6704 type = Type::terror; | |
| 6705 return this; | |
| 6706 } | |
| 6707 } | |
| 6708 else if (e1->op == TOKvar) | |
| 6709 { | |
| 6710 // Do overload resolution | |
| 6711 VarExp *ve = (VarExp *)e1; | |
| 6712 | |
| 6713 f = ve->var->isFuncDeclaration(); | |
| 6714 assert(f); | |
| 6715 | |
| 6716 // Look to see if f is really a function template | |
| 6717 if (0 && !istemp && f->parent) | |
| 6718 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6719 | |
| 6720 if (ti && | |
| 6721 (ti->name == f->ident || | |
| 6722 ti->toAlias()->ident == f->ident) | |
| 6723 && | |
| 6724 ti->tempdecl) | |
| 6725 { | |
| 6726 /* This is so that one can refer to the enclosing | |
| 6727 * template, even if it has the same name as a member | |
| 6728 * of the template, if it has a !(arguments) | |
| 6729 */ | |
| 6730 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6731 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6732 tempdecl = tempdecl->overroot; // then get the start | |
| 6733 e1 = new TemplateExp(loc, tempdecl); | |
| 6734 istemp = 1; | |
| 6735 goto Lagain; | |
| 6736 } | |
| 6737 } | |
| 6738 | |
| 1587 | 6739 f = f->overloadResolve(loc, NULL, arguments, sc->module); |
| 159 | 6740 checkDeprecated(sc, f); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6741 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6742 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6743 #endif |
| 159 | 6744 |
| 6745 if (f->needThis() && hasThis(sc)) | |
| 6746 { | |
| 6747 // Supply an implicit 'this', as in | |
| 6748 // this.ident | |
| 6749 | |
| 6750 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6751 goto Lagain; | |
| 6752 } | |
| 6753 | |
| 6754 accessCheck(loc, sc, NULL, f); | |
| 6755 | |
| 6756 ve->var = f; | |
| 6757 ve->type = f->type; | |
| 6758 t1 = f->type; | |
| 6759 } | |
| 6760 assert(t1->ty == Tfunction); | |
| 6761 tf = (TypeFunction *)(t1); | |
| 6762 | |
| 6763 Lcheckargs: | |
| 6764 assert(tf->ty == Tfunction); | |
| 6765 type = tf->next; | |
| 6766 | |
| 6767 if (!arguments) | |
| 6768 arguments = new Expressions(); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
6769 functionParameters(loc, sc, tf, arguments); |
| 159 | 6770 |
| 6771 assert(type); | |
| 6772 | |
| 6773 if (f && f->tintro) | |
| 6774 { | |
| 6775 Type *t = type; | |
| 6776 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
|
6777 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
|
6778 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6779 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
|
6780 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6781 type = tf->next; |
| 159 | 6782 return castTo(sc, t); |
| 6783 } | |
| 6784 } | |
| 6785 | |
| 6786 return this; | |
| 6787 } | |
| 6788 | |
| 6789 int CallExp::checkSideEffect(int flag) | |
| 6790 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6791 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6792 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6793 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6794 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6795 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6796 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6797 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6798 /* 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
|
6799 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6800 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
|
6801 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6802 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6803 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6804 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6805 } |
|
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 /* 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
|
6808 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6809 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6810 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6811 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6812 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6813 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
|
6814 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6815 #endif |
| 159 | 6816 return 1; |
| 6817 } | |
| 6818 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6819 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6820 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6821 { |
| 1587 | 6822 //printf("CallExp::canThrow() %s\n", toChars()); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6823 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6824 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6825 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6826 /* 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
|
6827 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6828 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
|
6829 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6830 |
| 1587 | 6831 if (e && e->canThrow()) |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6832 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6833 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6834 |
| 1587 | 6835 if (global.errors && !e1->type) |
| 6836 return 0; // error recovery | |
| 6837 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6838 /* 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
|
6839 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6840 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6841 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6842 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6843 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6844 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6845 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
|
6846 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6847 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6848 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6849 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6850 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6851 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6852 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6853 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6854 { |
| 1587 | 6855 // if (type->toBasetype()->ty == Tstruct) |
| 6856 // return 1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6857 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6858 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6859 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6860 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6861 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6862 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6863 |
| 159 | 6864 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6865 { | |
| 1587 | 6866 #if 1 |
| 159 | 6867 if (type->toBasetype()->ty == Tstruct) |
| 6868 return this; | |
| 6869 else | |
| 1587 | 6870 #endif |
| 159 | 6871 return Expression::toLvalue(sc, e); |
| 6872 } | |
| 6873 | |
| 1587 | 6874 Expression *CallExp::modifiableLvalue(Scope *sc, Expression *e) |
| 6875 { | |
| 6876 #if 1 | |
| 6877 return Expression::modifiableLvalue(sc, e); | |
| 6878 #else | |
| 6879 /* Although function return values being usable as "ref" parameters is | |
| 6880 * unsound, disabling it breaks existing code. | |
| 6881 * Bugzilla 3167 | |
| 6882 */ | |
| 6883 error("cannot assign to function call"); | |
| 6884 return toLvalue(sc, e); | |
| 6885 #endif | |
| 6886 } | |
| 6887 | |
| 159 | 6888 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6889 { int i; | |
| 6890 | |
| 6891 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6892 buf->writeByte('('); | |
| 6893 argsToCBuffer(buf, arguments, hgs); | |
| 6894 buf->writeByte(')'); | |
| 6895 } | |
| 6896 | |
| 6897 | |
| 6898 /************************************************************/ | |
| 6899 | |
| 6900 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6901 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6902 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6903 m = NULL; |
| 159 | 6904 } |
| 6905 | |
| 6906 Expression *AddrExp::semantic(Scope *sc) | |
| 6907 { | |
| 6908 #if LOGSEMANTIC | |
| 6909 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6910 #endif | |
| 6911 if (!type) | |
| 6912 { | |
|
1358
78038e540342
Fix overload resolution issue in dmd bug 313/314 fix.
Christian Kamm <kamm incasoftware de>
parents:
1258
diff
changeset
|
6913 m = sc->module; |
| 159 | 6914 UnaExp::semantic(sc); |
| 6915 e1 = e1->toLvalue(sc, NULL); | |
| 6916 if (!e1->type) | |
| 6917 { | |
| 6918 error("cannot take address of %s", e1->toChars()); | |
| 1587 | 6919 return new ErrorExp(); |
| 6920 } | |
| 6921 if (!e1->type->deco) | |
| 6922 { | |
| 6923 /* No deco means semantic() was not run on the type. | |
| 6924 * We have to run semantic() on the symbol to get the right type: | |
| 6925 * auto x = &bar; | |
| 6926 * pure: int bar() { return 1;} | |
| 6927 * otherwise the 'pure' is missing from the type assigned to x. | |
| 6928 */ | |
| 6929 | |
| 6930 error("forward reference to %s", e1->toChars()); | |
| 6931 return new ErrorExp(); | |
| 159 | 6932 } |
| 6933 type = e1->type->pointerTo(); | |
| 6934 | |
| 6935 // See if this should really be a delegate | |
| 6936 if (e1->op == TOKdotvar) | |
| 6937 { | |
| 6938 DotVarExp *dve = (DotVarExp *)e1; | |
| 6939 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6940 | |
| 6941 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
|
6942 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6943 e = e->semantic(sc); |
| 6944 return e; | |
| 6945 } | |
| 6946 } | |
| 6947 else if (e1->op == TOKvar) | |
| 6948 { | |
| 6949 VarExp *dve = (VarExp *)e1; | |
| 6950 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6951 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6952 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6953 // 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
|
6954 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
|
6955 { |
|
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
|
6956 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
|
6957 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
|
6958 } |
|
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
|
6959 |
| 159 | 6960 if (f && f->isNested()) |
| 6961 { Expression *e; | |
| 6962 | |
| 6963 e = new DelegateExp(loc, e1, f); | |
| 6964 e = e->semantic(sc); | |
| 6965 return e; | |
| 6966 } | |
| 6967 } | |
| 6968 else if (e1->op == TOKarray) | |
| 6969 { | |
| 6970 if (e1->type->toBasetype()->ty == Tbit) | |
| 6971 error("cannot take address of bit in array"); | |
| 6972 } | |
| 6973 return optimize(WANTvalue); | |
| 6974 } | |
| 6975 return this; | |
| 6976 } | |
| 6977 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
6978 void AddrExp::checkEscape() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
6979 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
6980 e1->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
6981 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
6982 |
| 159 | 6983 /************************************************************/ |
| 6984 | |
| 6985 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6986 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6987 { | |
| 1587 | 6988 // if (e->type) |
| 6989 // type = ((TypePointer *)e->type)->next; | |
| 159 | 6990 } |
| 6991 | |
| 6992 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6993 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6994 { | |
| 6995 type = t; | |
| 6996 } | |
| 6997 | |
| 6998 Expression *PtrExp::semantic(Scope *sc) | |
| 1587 | 6999 { |
| 159 | 7000 #if LOGSEMANTIC |
| 7001 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 7002 #endif | |
| 1587 | 7003 if (!type) |
| 7004 { | |
| 7005 UnaExp::semantic(sc); | |
| 7006 e1 = resolveProperties(sc, e1); | |
| 7007 if (!e1->type) | |
| 7008 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 7009 Type *tb = e1->type->toBasetype(); | |
| 7010 switch (tb->ty) | |
| 7011 { | |
| 7012 case Tpointer: | |
| 7013 type = tb->next; | |
| 7014 break; | |
| 7015 | |
| 7016 case Tsarray: | |
| 7017 case Tarray: | |
| 7018 type = tb->next; | |
| 7019 e1 = e1->castTo(sc, type->pointerTo()); | |
| 7020 break; | |
| 7021 | |
| 7022 default: | |
| 7023 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 7024 return new ErrorExp(); | |
| 7025 } | |
| 7026 rvalue(); | |
| 7027 } | |
| 159 | 7028 return this; |
| 7029 } | |
| 7030 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7031 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7032 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7033 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7034 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7035 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7036 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7037 |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7038 void PtrExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7039 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7040 e1->checkEscape(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7041 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7042 |
| 159 | 7043 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 7044 { | |
| 7045 #if 0 | |
| 7046 tym = tybasic(e1->ET->Tty); | |
| 7047 if (!(tyscalar(tym) || | |
| 7048 tym == TYstruct || | |
| 7049 tym == TYarray && e->Eoper == TOKaddr)) | |
| 7050 synerr(EM_lvalue); // lvalue expected | |
| 7051 #endif | |
| 7052 return this; | |
| 7053 } | |
| 7054 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7055 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7056 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7057 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7058 //printf("PtrExp::modifiableLvalue() %s, type %s\n", toChars(), type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7059 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 |
| 159 | 7070 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 7071 { | |
| 7072 buf->writeByte('*'); | |
| 7073 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7074 } | |
| 7075 | |
| 7076 /************************************************************/ | |
| 7077 | |
| 7078 NegExp::NegExp(Loc loc, Expression *e) | |
| 7079 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 7080 { | |
| 7081 } | |
| 7082 | |
| 7083 Expression *NegExp::semantic(Scope *sc) | |
| 7084 { Expression *e; | |
| 7085 | |
| 7086 #if LOGSEMANTIC | |
| 7087 printf("NegExp::semantic('%s')\n", toChars()); | |
| 7088 #endif | |
| 7089 if (!type) | |
| 7090 { | |
| 7091 UnaExp::semantic(sc); | |
| 7092 e1 = resolveProperties(sc, e1); | |
| 7093 e = op_overload(sc); | |
| 7094 if (e) | |
| 7095 return e; | |
| 7096 | |
| 7097 e1->checkNoBool(); | |
| 1587 | 7098 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
|
7099 e1->checkArithmetic(); |
| 159 | 7100 type = e1->type; |
| 7101 } | |
| 7102 return this; | |
| 7103 } | |
| 7104 | |
| 7105 /************************************************************/ | |
| 7106 | |
| 7107 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 7108 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 7109 { | |
| 7110 } | |
| 7111 | |
| 7112 Expression *UAddExp::semantic(Scope *sc) | |
| 7113 { Expression *e; | |
| 7114 | |
| 7115 #if LOGSEMANTIC | |
| 7116 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 7117 #endif | |
| 7118 assert(!type); | |
| 7119 UnaExp::semantic(sc); | |
| 7120 e1 = resolveProperties(sc, e1); | |
| 7121 e = op_overload(sc); | |
| 7122 if (e) | |
| 7123 return e; | |
| 7124 e1->checkNoBool(); | |
| 7125 e1->checkArithmetic(); | |
| 7126 return e1; | |
| 7127 } | |
| 7128 | |
| 7129 /************************************************************/ | |
| 7130 | |
| 7131 ComExp::ComExp(Loc loc, Expression *e) | |
| 7132 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 7133 { | |
| 7134 } | |
| 7135 | |
| 7136 Expression *ComExp::semantic(Scope *sc) | |
| 7137 { Expression *e; | |
| 7138 | |
| 7139 if (!type) | |
| 7140 { | |
| 7141 UnaExp::semantic(sc); | |
| 7142 e1 = resolveProperties(sc, e1); | |
| 7143 e = op_overload(sc); | |
| 7144 if (e) | |
| 7145 return e; | |
| 7146 | |
| 7147 e1->checkNoBool(); | |
| 1587 | 7148 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
|
7149 e1 = e1->checkIntegral(); |
| 159 | 7150 type = e1->type; |
| 7151 } | |
| 7152 return this; | |
| 7153 } | |
| 7154 | |
| 7155 /************************************************************/ | |
| 7156 | |
| 7157 NotExp::NotExp(Loc loc, Expression *e) | |
| 7158 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 7159 { | |
| 7160 } | |
| 7161 | |
| 7162 Expression *NotExp::semantic(Scope *sc) | |
| 7163 { | |
| 7164 UnaExp::semantic(sc); | |
| 7165 e1 = resolveProperties(sc, e1); | |
| 7166 e1 = e1->checkToBoolean(); | |
| 7167 type = Type::tboolean; | |
| 7168 return this; | |
| 7169 } | |
| 7170 | |
| 7171 int NotExp::isBit() | |
| 7172 { | |
| 7173 return TRUE; | |
| 7174 } | |
| 7175 | |
| 7176 | |
| 7177 | |
| 7178 /************************************************************/ | |
| 7179 | |
| 7180 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 7181 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 7182 { | |
| 7183 type = t; | |
| 7184 } | |
| 7185 | |
| 7186 Expression *BoolExp::semantic(Scope *sc) | |
| 7187 { | |
| 7188 UnaExp::semantic(sc); | |
| 7189 e1 = resolveProperties(sc, e1); | |
| 7190 e1 = e1->checkToBoolean(); | |
| 7191 type = Type::tboolean; | |
| 7192 return this; | |
| 7193 } | |
| 7194 | |
| 7195 int BoolExp::isBit() | |
| 7196 { | |
| 7197 return TRUE; | |
| 7198 } | |
| 7199 | |
| 7200 /************************************************************/ | |
| 7201 | |
| 7202 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 7203 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 7204 { | |
| 7205 } | |
| 7206 | |
| 7207 Expression *DeleteExp::semantic(Scope *sc) | |
| 7208 { | |
| 7209 Type *tb; | |
| 7210 | |
| 7211 UnaExp::semantic(sc); | |
| 7212 e1 = resolveProperties(sc, e1); | |
| 7213 e1 = e1->toLvalue(sc, NULL); | |
| 7214 type = Type::tvoid; | |
| 7215 | |
| 7216 tb = e1->type->toBasetype(); | |
| 7217 switch (tb->ty) | |
| 7218 { case Tclass: | |
| 7219 { TypeClass *tc = (TypeClass *)tb; | |
| 7220 ClassDeclaration *cd = tc->sym; | |
| 7221 | |
| 7222 if (cd->isCOMinterface()) | |
| 7223 { /* Because COM classes are deleted by IUnknown.Release() | |
| 7224 */ | |
| 7225 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 7226 } | |
| 7227 break; | |
| 7228 } | |
| 7229 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
|
7230 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 7231 if (tb->ty == Tstruct) |
| 7232 { | |
| 7233 TypeStruct *ts = (TypeStruct *)tb; | |
| 7234 StructDeclaration *sd = ts->sym; | |
| 7235 FuncDeclaration *f = sd->aggDelete; | |
| 7236 | |
| 7237 if (f) | |
| 7238 { | |
| 7239 Type *tpv = Type::tvoid->pointerTo(); | |
| 7240 | |
| 7241 Expression *e = e1->castTo(sc, tpv); | |
| 7242 Expression *ec = new VarExp(loc, f); | |
| 7243 e = new CallExp(loc, ec, e); | |
| 7244 return e->semantic(sc); | |
| 7245 } | |
| 7246 } | |
| 7247 break; | |
| 7248 | |
| 7249 case Tarray: | |
| 7250 break; | |
| 7251 | |
| 7252 default: | |
| 7253 if (e1->op == TOKindex) | |
| 7254 { | |
| 7255 IndexExp *ae = (IndexExp *)(e1); | |
| 7256 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7257 if (tb1->ty == Taarray) | |
| 7258 break; | |
| 7259 } | |
| 7260 error("cannot delete type %s", e1->type->toChars()); | |
| 7261 break; | |
| 7262 } | |
| 7263 | |
| 7264 if (e1->op == TOKindex) | |
| 7265 { | |
| 7266 IndexExp *ae = (IndexExp *)(e1); | |
| 7267 Type *tb1 = ae->e1->type->toBasetype(); | |
| 7268 if (tb1->ty == Taarray) | |
| 7269 { if (!global.params.useDeprecated) | |
| 7270 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 7271 } | |
| 7272 } | |
| 7273 | |
| 7274 return this; | |
| 7275 } | |
| 7276 | |
| 7277 int DeleteExp::checkSideEffect(int flag) | |
| 7278 { | |
| 7279 return 1; | |
| 7280 } | |
| 7281 | |
| 7282 Expression *DeleteExp::checkToBoolean() | |
| 7283 { | |
| 7284 error("delete does not give a boolean result"); | |
| 7285 return this; | |
| 7286 } | |
| 7287 | |
| 7288 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7289 { | |
| 7290 buf->writestring("delete "); | |
| 7291 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7292 } | |
| 7293 | |
| 7294 /************************************************************/ | |
| 7295 | |
| 7296 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 7297 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 7298 { | |
| 7299 to = t; | |
| 7300 } | |
| 7301 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7302 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7303 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7304 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7305 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
|
7306 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7307 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7308 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7309 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7310 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7311 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7312 |
| 159 | 7313 Expression *CastExp::syntaxCopy() |
| 7314 { | |
| 7315 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 7316 } | |
| 7317 | |
| 7318 | |
| 7319 Expression *CastExp::semantic(Scope *sc) | |
| 7320 { Expression *e; | |
| 7321 BinExp *b; | |
| 7322 UnaExp *u; | |
| 7323 | |
| 7324 #if LOGSEMANTIC | |
| 7325 printf("CastExp::semantic('%s')\n", toChars()); | |
| 7326 #endif | |
| 7327 | |
| 7328 //static int x; assert(++x < 10); | |
| 7329 | |
| 7330 if (type) | |
| 7331 return this; | |
| 7332 UnaExp::semantic(sc); | |
| 7333 if (e1->type) // if not a tuple | |
| 7334 { | |
| 7335 e1 = resolveProperties(sc, e1); | |
| 7336 to = to->semantic(loc, sc); | |
| 7337 | |
| 7338 e = op_overload(sc); | |
| 7339 if (e) | |
| 7340 { | |
| 7341 return e->implicitCastTo(sc, to); | |
| 7342 } | |
| 7343 | |
| 1587 | 7344 if (e1->op == TOKtemplate) |
| 7345 { | |
| 7346 error("cannot cast template %s to type %s", e1->toChars(), to->toChars()); | |
| 7347 return new ErrorExp(); | |
| 7348 } | |
| 7349 | |
| 7350 Type *t1b = e1->type->toBasetype(); | |
| 159 | 7351 Type *tob = to->toBasetype(); |
| 7352 if (tob->ty == Tstruct && | |
| 1587 | 7353 !tob->equals(t1b) && |
| 159 | 7354 ((TypeStruct *)to)->sym->search(0, Id::call, 0) |
| 7355 ) | |
| 7356 { | |
| 7357 /* Look to replace: | |
| 7358 * cast(S)t | |
| 7359 * with: | |
| 7360 * S(t) | |
| 7361 */ | |
| 7362 | |
| 7363 // Rewrite as to.call(e1) | |
| 7364 e = new TypeExp(loc, to); | |
| 7365 e = new DotIdExp(loc, e, Id::call); | |
| 7366 e = new CallExp(loc, e, e1); | |
| 7367 e = e->semantic(sc); | |
| 7368 return e; | |
| 7369 } | |
| 1587 | 7370 |
| 7371 // Struct casts are possible only when the sizes match | |
| 7372 if (tob->ty == Tstruct || t1b->ty == Tstruct) | |
| 7373 { | |
| 7374 size_t fromsize = t1b->size(loc); | |
| 7375 size_t tosize = tob->size(loc); | |
| 7376 if (fromsize != tosize) | |
| 7377 { | |
| 7378 error("cannot cast from %s to %s", e1->type->toChars(), to->toChars()); | |
| 7379 return new ErrorExp(); | |
| 7380 } | |
| 7381 } | |
| 159 | 7382 } |
| 7383 e = e1->castTo(sc, to); | |
| 7384 return e; | |
| 7385 } | |
| 7386 | |
| 7387 int CastExp::checkSideEffect(int flag) | |
| 7388 { | |
| 7389 /* if not: | |
| 7390 * cast(void) | |
| 7391 * cast(classtype)func() | |
| 7392 */ | |
| 7393 if (!to->equals(Type::tvoid) && | |
| 7394 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7395 return Expression::checkSideEffect(flag); | |
| 7396 return 1; | |
| 7397 } | |
| 7398 | |
| 7399 void CastExp::checkEscape() | |
| 7400 { Type *tb = type->toBasetype(); | |
| 7401 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7402 e1->type->toBasetype()->ty == Tsarray) | |
| 7403 { VarExp *ve = (VarExp *)e1; | |
| 7404 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7405 if (v) | |
| 7406 { | |
| 7407 if (!v->isDataseg() && !v->isParameter()) | |
| 7408 error("escaping reference to local %s", v->toChars()); | |
| 7409 } | |
| 7410 } | |
| 7411 } | |
| 7412 | |
| 7413 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7414 { | |
| 7415 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7416 #if DMDV1 |
| 159 | 7417 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7418 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7419 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7420 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7421 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7422 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7423 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7424 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7425 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7426 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7427 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7428 break; |
|
1619
c61782a76dff
Merge DMD r304: refactor invariant => immutable
Leandro Lucarella <llucax@gmail.com>
parents:
1618
diff
changeset
|
7429 case MODimmutable: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7430 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7431 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7432 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7433 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7434 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7435 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7436 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7437 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7438 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7439 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7440 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7441 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7442 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7443 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7444 #endif |
| 159 | 7445 buf->writeByte(')'); |
| 7446 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7447 } | |
| 7448 | |
| 7449 | |
| 7450 /************************************************************/ | |
| 7451 | |
| 7452 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7453 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7454 { | |
| 7455 this->upr = upr; | |
| 7456 this->lwr = lwr; | |
| 7457 lengthVar = NULL; | |
| 7458 } | |
| 7459 | |
| 7460 Expression *SliceExp::syntaxCopy() | |
| 7461 { | |
| 7462 Expression *lwr = NULL; | |
| 7463 if (this->lwr) | |
| 7464 lwr = this->lwr->syntaxCopy(); | |
| 7465 | |
| 7466 Expression *upr = NULL; | |
| 7467 if (this->upr) | |
| 7468 upr = this->upr->syntaxCopy(); | |
| 7469 | |
| 7470 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7471 } | |
| 7472 | |
| 7473 Expression *SliceExp::semantic(Scope *sc) | |
| 7474 { Expression *e; | |
| 7475 AggregateDeclaration *ad; | |
| 7476 //FuncDeclaration *fd; | |
| 7477 ScopeDsymbol *sym; | |
| 7478 | |
| 7479 #if LOGSEMANTIC | |
| 7480 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7481 #endif | |
| 7482 if (type) | |
| 7483 return this; | |
| 7484 | |
| 7485 UnaExp::semantic(sc); | |
| 7486 e1 = resolveProperties(sc, e1); | |
| 7487 | |
| 7488 e = this; | |
| 7489 | |
| 7490 Type *t = e1->type->toBasetype(); | |
| 7491 if (t->ty == Tpointer) | |
| 7492 { | |
| 7493 if (!lwr || !upr) | |
| 7494 error("need upper and lower bound to slice pointer"); | |
| 7495 } | |
| 7496 else if (t->ty == Tarray) | |
| 7497 { | |
| 7498 } | |
| 7499 else if (t->ty == Tsarray) | |
| 7500 { | |
| 7501 } | |
| 7502 else if (t->ty == Tclass) | |
| 7503 { | |
| 7504 ad = ((TypeClass *)t)->sym; | |
| 7505 goto L1; | |
| 7506 } | |
| 7507 else if (t->ty == Tstruct) | |
| 7508 { | |
| 7509 ad = ((TypeStruct *)t)->sym; | |
| 7510 | |
| 7511 L1: | |
| 7512 if (search_function(ad, Id::slice)) | |
| 7513 { | |
| 7514 // Rewrite as e1.slice(lwr, upr) | |
| 7515 e = new DotIdExp(loc, e1, Id::slice); | |
| 7516 | |
| 7517 if (lwr) | |
| 7518 { | |
| 7519 assert(upr); | |
| 7520 e = new CallExp(loc, e, lwr, upr); | |
| 7521 } | |
| 7522 else | |
| 7523 { assert(!upr); | |
| 7524 e = new CallExp(loc, e); | |
| 7525 } | |
| 7526 e = e->semantic(sc); | |
| 7527 return e; | |
| 7528 } | |
| 7529 goto Lerror; | |
| 7530 } | |
| 7531 else if (t->ty == Ttuple) | |
| 7532 { | |
| 7533 if (!lwr && !upr) | |
| 7534 return e1; | |
| 7535 if (!lwr || !upr) | |
| 7536 { error("need upper and lower bound to slice tuple"); | |
| 7537 goto Lerror; | |
| 7538 } | |
| 7539 } | |
| 7540 else | |
| 7541 goto Lerror; | |
| 7542 | |
| 7543 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7544 { | |
| 7545 sym = new ArrayScopeSymbol(this); | |
| 7546 sym->loc = loc; | |
| 7547 sym->parent = sc->scopesym; | |
| 7548 sc = sc->push(sym); | |
| 7549 } | |
| 7550 | |
| 7551 if (lwr) | |
| 7552 { lwr = lwr->semantic(sc); | |
| 7553 lwr = resolveProperties(sc, lwr); | |
| 7554 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7555 } | |
| 7556 if (upr) | |
| 7557 { upr = upr->semantic(sc); | |
| 7558 upr = resolveProperties(sc, upr); | |
| 7559 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7560 } | |
| 7561 | |
| 7562 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7563 sc->pop(); | |
| 7564 | |
| 7565 if (t->ty == Ttuple) | |
| 7566 { | |
| 7567 lwr = lwr->optimize(WANTvalue); | |
| 7568 upr = upr->optimize(WANTvalue); | |
| 7569 uinteger_t i1 = lwr->toUInteger(); | |
| 7570 uinteger_t i2 = upr->toUInteger(); | |
| 7571 | |
| 7572 size_t length; | |
| 7573 TupleExp *te; | |
| 7574 TypeTuple *tup; | |
| 7575 | |
| 7576 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7577 { te = (TupleExp *)e1; | |
| 7578 length = te->exps->dim; | |
| 7579 } | |
| 7580 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7581 { tup = (TypeTuple *)t; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7582 length = Parameter::dim(tup->arguments); |
| 159 | 7583 } |
| 7584 else | |
| 7585 assert(0); | |
| 7586 | |
| 7587 if (i1 <= i2 && i2 <= length) | |
| 7588 { size_t j1 = (size_t) i1; | |
| 7589 size_t j2 = (size_t) i2; | |
| 7590 | |
| 7591 if (e1->op == TOKtuple) | |
| 7592 { Expressions *exps = new Expressions; | |
| 7593 exps->setDim(j2 - j1); | |
| 7594 for (size_t i = 0; i < j2 - j1; i++) | |
| 7595 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7596 exps->data[i] = (void *)e; | |
| 7597 } | |
| 7598 e = new TupleExp(loc, exps); | |
| 7599 } | |
| 7600 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7601 { Parameters *args = new Parameters; |
| 159 | 7602 args->reserve(j2 - j1); |
| 7603 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
|
7604 { Parameter *arg = Parameter::getNth(tup->arguments, i); |
| 159 | 7605 args->push(arg); |
| 7606 } | |
| 7607 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7608 } | |
| 7609 e = e->semantic(sc); | |
| 7610 } | |
| 7611 else | |
| 7612 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7613 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
|
7614 e = new IntegerExp(0); |
| 159 | 7615 } |
| 7616 return e; | |
| 7617 } | |
| 7618 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7619 if (t->ty == Tarray) |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7620 { |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7621 type = e1->type; |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7622 } |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7623 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7624 type = t->nextOf()->arrayOf(); |
| 159 | 7625 return e; |
| 7626 | |
| 7627 Lerror: | |
| 7628 char *s; | |
| 7629 if (t->ty == Tvoid) | |
| 7630 s = e1->toChars(); | |
| 7631 else | |
| 7632 s = t->toChars(); | |
| 7633 error("%s cannot be sliced with []", s); | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7634 e = new ErrorExp(); |
| 159 | 7635 return e; |
| 7636 } | |
| 7637 | |
| 7638 void SliceExp::checkEscape() | |
| 7639 { | |
| 7640 e1->checkEscape(); | |
| 7641 } | |
| 7642 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7643 void SliceExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7644 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7645 e1->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7646 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7647 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7648 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7649 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7650 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7651 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7652 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7653 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7654 |
| 159 | 7655 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7656 { | |
| 7657 return this; | |
| 7658 } | |
| 7659 | |
| 7660 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7661 { | |
| 7662 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7663 return this; | |
| 7664 } | |
| 7665 | |
| 7666 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7667 { | |
| 7668 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7669 buf->writeByte('['); | |
| 7670 if (upr || lwr) | |
| 7671 { | |
| 7672 if (lwr) | |
| 7673 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7674 else | |
| 7675 buf->writeByte('0'); | |
| 7676 buf->writestring(".."); | |
| 7677 if (upr) | |
| 7678 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7679 else | |
| 7680 buf->writestring("length"); // BUG: should be array.length | |
| 7681 } | |
| 7682 buf->writeByte(']'); | |
| 7683 } | |
| 7684 | |
| 7685 /********************** ArrayLength **************************************/ | |
| 7686 | |
| 7687 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7688 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7689 { | |
| 7690 } | |
| 7691 | |
| 7692 Expression *ArrayLengthExp::semantic(Scope *sc) | |
|
1618
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parents:
1616
diff
changeset
|
7693 { |
| 159 | 7694 #if LOGSEMANTIC |
| 7695 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7696 #endif | |
| 7697 if (!type) | |
| 7698 { | |
| 7699 UnaExp::semantic(sc); | |
| 7700 e1 = resolveProperties(sc, e1); | |
| 7701 | |
| 7702 type = Type::tsize_t; | |
| 7703 } | |
| 7704 return this; | |
| 7705 } | |
| 7706 | |
| 7707 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7708 { | |
| 7709 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7710 buf->writestring(".length"); | |
| 7711 } | |
| 7712 | |
| 7713 /*********************** ArrayExp *************************************/ | |
| 7714 | |
| 7715 // e1 [ i1, i2, i3, ... ] | |
| 7716 | |
| 7717 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7718 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7719 { | |
| 7720 arguments = args; | |
| 7721 } | |
| 7722 | |
| 7723 Expression *ArrayExp::syntaxCopy() | |
| 7724 { | |
| 7725 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7726 } | |
| 7727 | |
| 7728 Expression *ArrayExp::semantic(Scope *sc) | |
| 7729 { Expression *e; | |
| 7730 Type *t1; | |
| 7731 | |
| 7732 #if LOGSEMANTIC | |
| 7733 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7734 #endif | |
| 7735 UnaExp::semantic(sc); | |
| 7736 e1 = resolveProperties(sc, e1); | |
| 7737 | |
| 7738 t1 = e1->type->toBasetype(); | |
| 7739 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7740 { // Convert to IndexExp | |
| 7741 if (arguments->dim != 1) | |
| 7742 error("only one index allowed to index %s", t1->toChars()); | |
| 7743 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7744 return e->semantic(sc); | |
| 7745 } | |
| 7746 | |
| 7747 // Run semantic() on each argument | |
| 7748 for (size_t i = 0; i < arguments->dim; i++) | |
| 7749 { e = (Expression *)arguments->data[i]; | |
| 7750 | |
| 7751 e = e->semantic(sc); | |
| 7752 if (!e->type) | |
| 7753 error("%s has no value", e->toChars()); | |
| 7754 arguments->data[i] = (void *)e; | |
| 7755 } | |
| 7756 | |
| 7757 expandTuples(arguments); | |
| 7758 assert(arguments && arguments->dim); | |
| 7759 | |
| 7760 e = op_overload(sc); | |
| 7761 if (!e) | |
| 7762 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7763 e = e1; | |
| 7764 } | |
| 7765 return e; | |
| 7766 } | |
| 7767 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7768 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7769 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7770 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7771 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7772 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7773 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7774 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7775 #endif |
| 159 | 7776 |
| 7777 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7778 { | |
| 7779 if (type && type->toBasetype()->ty == Tvoid) | |
| 7780 error("voids have no value"); | |
| 7781 return this; | |
| 7782 } | |
| 7783 | |
| 7784 | |
| 7785 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7786 { int i; | |
| 7787 | |
| 7788 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7789 buf->writeByte('['); | |
| 7790 argsToCBuffer(buf, arguments, hgs); | |
| 7791 buf->writeByte(']'); | |
| 7792 } | |
| 7793 | |
| 7794 /************************* DotExp ***********************************/ | |
| 7795 | |
| 7796 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7797 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7798 { | |
| 7799 } | |
| 7800 | |
| 7801 Expression *DotExp::semantic(Scope *sc) | |
| 7802 { | |
| 7803 #if LOGSEMANTIC | |
| 7804 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7805 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7806 #endif | |
| 7807 e1 = e1->semantic(sc); | |
| 7808 e2 = e2->semantic(sc); | |
| 7809 if (e2->op == TOKimport) | |
| 7810 { | |
| 7811 ScopeExp *se = (ScopeExp *)e2; | |
| 7812 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7813 if (td) | |
| 7814 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7815 e = e->semantic(sc); | |
| 7816 return e; | |
| 7817 } | |
| 7818 } | |
| 7819 if (!type) | |
| 7820 type = e2->type; | |
| 7821 return this; | |
| 7822 } | |
| 7823 | |
| 7824 | |
| 7825 /************************* CommaExp ***********************************/ | |
| 7826 | |
| 7827 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7828 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7829 { | |
| 7830 } | |
| 7831 | |
| 7832 Expression *CommaExp::semantic(Scope *sc) | |
| 7833 { | |
| 7834 if (!type) | |
| 7835 { BinExp::semanticp(sc); | |
| 7836 type = e2->type; | |
| 7837 } | |
| 7838 return this; | |
| 7839 } | |
| 7840 | |
| 7841 void CommaExp::checkEscape() | |
| 7842 { | |
| 7843 e2->checkEscape(); | |
| 7844 } | |
| 7845 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7846 void CommaExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7847 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7848 e2->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7849 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
7850 |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7851 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7852 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7853 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7854 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7855 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7856 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7857 |
| 159 | 7858 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7859 { | |
| 7860 e2 = e2->toLvalue(sc, NULL); | |
| 7861 return this; | |
| 7862 } | |
| 7863 | |
| 7864 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7865 { | |
| 7866 e2 = e2->modifiableLvalue(sc, e); | |
| 7867 return this; | |
| 7868 } | |
| 7869 | |
| 7870 int CommaExp::isBool(int result) | |
| 7871 { | |
| 7872 return e2->isBool(result); | |
| 7873 } | |
| 7874 | |
| 7875 int CommaExp::checkSideEffect(int flag) | |
| 7876 { | |
| 7877 if (flag == 2) | |
| 7878 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7879 else | |
| 7880 { | |
| 7881 // Don't check e1 until we cast(void) the a,b code generation | |
| 7882 return e2->checkSideEffect(flag); | |
| 7883 } | |
| 7884 } | |
| 7885 | |
| 7886 /************************** IndexExp **********************************/ | |
| 7887 | |
| 7888 // e1 [ e2 ] | |
| 7889 | |
| 7890 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7891 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7892 { | |
| 7893 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7894 lengthVar = NULL; | |
| 7895 modifiable = 0; // assume it is an rvalue | |
| 7896 } | |
| 7897 | |
| 7898 Expression *IndexExp::semantic(Scope *sc) | |
| 7899 { Expression *e; | |
| 7900 BinExp *b; | |
| 7901 UnaExp *u; | |
| 7902 Type *t1; | |
| 7903 ScopeDsymbol *sym; | |
| 7904 | |
| 7905 #if LOGSEMANTIC | |
| 7906 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7907 #endif | |
| 7908 if (type) | |
| 7909 return this; | |
| 7910 if (!e1->type) | |
| 7911 e1 = e1->semantic(sc); | |
| 7912 assert(e1->type); // semantic() should already be run on it | |
| 7913 e = this; | |
| 7914 | |
| 7915 // Note that unlike C we do not implement the int[ptr] | |
| 7916 | |
| 7917 t1 = e1->type->toBasetype(); | |
| 7918 | |
| 7919 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7920 { // Create scope for 'length' variable | |
| 7921 sym = new ArrayScopeSymbol(this); | |
| 7922 sym->loc = loc; | |
| 7923 sym->parent = sc->scopesym; | |
| 7924 sc = sc->push(sym); | |
| 7925 } | |
| 7926 | |
| 7927 e2 = e2->semantic(sc); | |
| 7928 if (!e2->type) | |
| 7929 { | |
| 7930 error("%s has no value", e2->toChars()); | |
| 7931 e2->type = Type::terror; | |
| 7932 } | |
| 7933 e2 = resolveProperties(sc, e2); | |
| 7934 | |
| 7935 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7936 sc = sc->pop(); | |
| 7937 | |
| 7938 switch (t1->ty) | |
| 7939 { | |
| 7940 case Tpointer: | |
| 7941 case Tarray: | |
| 7942 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7943 e->type = t1->next; | |
| 7944 break; | |
| 7945 | |
| 7946 case Tsarray: | |
| 7947 { | |
| 7948 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7949 | |
| 7950 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7951 | |
| 7952 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7953 // Do compile time array bounds checking if possible | |
| 7954 e2 = e2->optimize(WANTvalue); | |
| 7955 if (e2->op == TOKint64) | |
| 7956 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7957 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7958 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7959 if (index < 0 || index >= length) |
| 7960 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7961 index, length); | |
| 7962 } | |
| 7963 #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
|
7964 e->type = t1->nextOf(); |
| 159 | 7965 break; |
| 7966 } | |
| 7967 | |
| 7968 case Taarray: | |
| 7969 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7970 | |
| 7971 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7972 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7973 type = taa->next; | |
| 7974 break; | |
| 7975 } | |
| 7976 | |
| 7977 case Ttuple: | |
| 7978 { | |
| 7979 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7980 e2 = e2->optimize(WANTvalue); | |
| 7981 uinteger_t index = e2->toUInteger(); | |
| 7982 size_t length; | |
| 7983 TupleExp *te; | |
| 7984 TypeTuple *tup; | |
| 7985 | |
| 7986 if (e1->op == TOKtuple) | |
| 7987 { te = (TupleExp *)e1; | |
| 7988 length = te->exps->dim; | |
| 7989 } | |
| 7990 else if (e1->op == TOKtype) | |
| 7991 { | |
| 7992 tup = (TypeTuple *)t1; | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
7993 length = Parameter::dim(tup->arguments); |
| 159 | 7994 } |
| 7995 else | |
| 7996 assert(0); | |
| 7997 | |
| 7998 if (index < length) | |
| 7999 { | |
| 8000 | |
| 8001 if (e1->op == TOKtuple) | |
| 8002 e = (Expression *)te->exps->data[(size_t)index]; | |
| 8003 else | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1605
diff
changeset
|
8004 e = new TypeExp(e1->loc, Parameter::getNth(tup->arguments, (size_t)index)->type); |
| 159 | 8005 } |
| 8006 else | |
| 8007 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
8008 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
|
8009 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
8010 e = e1; |
| 159 | 8011 } |
| 8012 break; | |
| 8013 } | |
| 8014 | |
| 8015 default: | |
| 8016 error("%s must be an array or pointer type, not %s", | |
| 8017 e1->toChars(), e1->type->toChars()); | |
| 8018 type = Type::tint32; | |
| 8019 break; | |
| 8020 } | |
| 8021 return e; | |
| 8022 } | |
| 8023 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8024 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8025 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8026 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8027 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8028 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8029 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
8030 |
| 159 | 8031 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 8032 { | |
| 8033 // if (type && type->toBasetype()->ty == Tvoid) | |
| 8034 // error("voids have no value"); | |
| 8035 return this; | |
| 8036 } | |
| 8037 | |
| 8038 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 8039 { | |
| 8040 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 8041 modifiable = 1; | |
| 8042 if (e1->op == TOKstring) | |
| 8043 error("string literals are immutable"); | |
| 8044 if (e1->type->toBasetype()->ty == Taarray) | |
| 8045 e1 = e1->modifiableLvalue(sc, e1); | |
| 8046 return toLvalue(sc, e); | |
| 8047 } | |
| 8048 | |
| 8049 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8050 { | |
| 8051 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 8052 buf->writeByte('['); | |
| 8053 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 8054 buf->writeByte(']'); | |
| 8055 } | |
| 8056 | |
| 8057 | |
| 8058 /************************* PostExp ***********************************/ | |
| 8059 | |
| 8060 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 8061 : BinExp(loc, op, sizeof(PostExp), e, | |
| 8062 new IntegerExp(loc, 1, Type::tint32)) | |
| 8063 { | |
| 8064 } | |
| 8065 | |
| 8066 Expression *PostExp::semantic(Scope *sc) | |
| 8067 { Expression *e = this; | |
| 8068 | |
| 8069 if (!type) | |
| 8070 { | |
| 8071 BinExp::semantic(sc); | |
| 8072 e2 = resolveProperties(sc, e2); | |
| 8073 | |
| 8074 e = op_overload(sc); | |
| 8075 if (e) | |
| 8076 return e; | |
| 8077 | |
| 8078 e = this; | |
| 8079 e1 = e1->modifiableLvalue(sc, e1); | |
| 8080 e1->checkScalar(); | |
| 8081 e1->checkNoBool(); | |
| 8082 if (e1->type->ty == Tpointer) | |
| 8083 e = scaleFactor(sc); | |
| 8084 else | |
| 8085 e2 = e2->castTo(sc, e1->type); | |
| 8086 e->type = e1->type; | |
| 8087 } | |
| 8088 return e; | |
| 8089 } | |
| 8090 | |
| 8091 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 8092 { | |
| 8093 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 8094 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 8095 } | |
| 8096 | |
| 8097 /************************************************************/ | |
| 8098 | |
| 1587 | 8099 /* op can be TOKassign, TOKconstruct, or TOKblit */ |
| 159 | 8100 |
| 8101 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8102 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 8103 { | |
| 8104 ismemset = 0; | |
| 8105 } | |
| 8106 | |
| 8107 Expression *AssignExp::semantic(Scope *sc) | |
| 1587 | 8108 { |
| 159 | 8109 Expression *e1old = e1; |
| 8110 | |
| 8111 #if LOGSEMANTIC | |
| 8112 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 8113 #endif | |
| 8114 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 1587 | 8115 //printf("e2->op = %d, '%s'\n", e2->op, Token::toChars(e2->op)); |
| 8116 | |
| 8117 if (type) | |
| 8118 return this; | |
| 8119 | |
| 8120 if (e2->op == TOKcomma) | |
| 8121 { /* Rewrite to get rid of the comma from rvalue | |
| 8122 */ | |
| 8123 AssignExp *ea = new AssignExp(loc, e1, ((CommaExp *)e2)->e2); | |
| 8124 ea->op = op; | |
| 8125 Expression *e = new CommaExp(loc, ((CommaExp *)e2)->e1, ea); | |
| 8126 return e->semantic(sc); | |
| 8127 } | |
| 159 | 8128 |
| 8129 /* Look for operator overloading of a[i]=value. | |
| 8130 * Do it before semantic() otherwise the a[i] will have been | |
| 8131 * converted to a.opIndex() already. | |
| 8132 */ | |
| 8133 if (e1->op == TOKarray) | |
| 1587 | 8134 { |
| 159 | 8135 ArrayExp *ae = (ArrayExp *)e1; |
| 8136 AggregateDeclaration *ad; | |
| 8137 Identifier *id = Id::index; | |
| 8138 | |
| 8139 ae->e1 = ae->e1->semantic(sc); | |
| 1587 | 8140 Type *t1 = ae->e1->type->toBasetype(); |
| 159 | 8141 if (t1->ty == Tstruct) |
| 8142 { | |
| 8143 ad = ((TypeStruct *)t1)->sym; | |
| 8144 goto L1; | |
| 8145 } | |
| 8146 else if (t1->ty == Tclass) | |
| 8147 { | |
| 8148 ad = ((TypeClass *)t1)->sym; | |
| 8149 L1: | |
| 8150 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 8151 if (search_function(ad, Id::indexass)) | |
| 8152 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 8153 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 8154 | |
| 8155 a->insert(0, e2); | |
| 8156 e = new CallExp(loc, e, a); | |
| 8157 e = e->semantic(sc); | |
| 8158 return e; | |
| 8159 } | |
| 8160 else | |
| 8161 { | |
| 8162 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 8163 if (search_function(ad, id)) | |
| 8164 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 8165 | |
| 8166 if (1 || !global.params.useDeprecated) | |
| 8167 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 8168 | |
| 8169 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 8170 e = e->semantic(sc); | |
| 8171 return e; | |
| 8172 } | |
| 8173 } | |
| 8174 } | |
| 8175 } | |
| 8176 /* Look for operator overloading of a[i..j]=value. | |
| 8177 * Do it before semantic() otherwise the a[i..j] will have been | |
| 8178 * converted to a.opSlice() already. | |
| 8179 */ | |
| 8180 if (e1->op == TOKslice) | |
| 8181 { Type *t1; | |
| 8182 SliceExp *ae = (SliceExp *)e1; | |
| 8183 AggregateDeclaration *ad; | |
| 8184 Identifier *id = Id::index; | |
| 8185 | |
| 8186 ae->e1 = ae->e1->semantic(sc); | |
| 8187 ae->e1 = resolveProperties(sc, ae->e1); | |
| 8188 t1 = ae->e1->type->toBasetype(); | |
| 8189 if (t1->ty == Tstruct) | |
| 8190 { | |
| 8191 ad = ((TypeStruct *)t1)->sym; | |
| 8192 goto L2; | |
| 8193 } | |
| 8194 else if (t1->ty == Tclass) | |
| 8195 { | |
| 8196 ad = ((TypeClass *)t1)->sym; | |
| 8197 L2: | |
| 8198 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 8199 if (search_function(ad, Id::sliceass)) | |
| 8200 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 8201 Expressions *a = new Expressions(); | |
| 8202 | |
| 8203 a->push(e2); | |
| 8204 if (ae->lwr) | |
| 8205 { a->push(ae->lwr); | |
| 8206 assert(ae->upr); | |
| 8207 a->push(ae->upr); | |
| 8208 } | |
| 8209 else | |
| 8210 assert(!ae->upr); | |
| 8211 e = new CallExp(loc, e, a); | |
| 8212 e = e->semantic(sc); | |
| 8213 return e; | |
| 8214 } | |
| 8215 } | |
| 8216 } | |
| 8217 | |
| 8218 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8219 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8220 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8221 { // 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
|
8222 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8223 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8224 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8225 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
8226 |
| 159 | 8227 e2 = resolveProperties(sc, e2); |
| 8228 assert(e1->type); | |
| 8229 | |
| 8230 /* Rewrite tuple assignment as a tuple of assignments. | |
| 8231 */ | |
| 8232 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 8233 { TupleExp *tup1 = (TupleExp *)e1; | |
| 8234 TupleExp *tup2 = (TupleExp *)e2; | |
| 8235 size_t dim = tup1->exps->dim; | |
| 8236 if (dim != tup2->exps->dim) | |
| 8237 { | |
| 8238 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 8239 } | |
| 8240 else | |
| 8241 { Expressions *exps = new Expressions; | |
| 8242 exps->setDim(dim); | |
| 8243 | |
| 8244 for (int i = 0; i < dim; i++) | |
| 8245 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 8246 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 8247 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 8248 } | |
| 8249 Expression *e = new TupleExp(loc, exps); | |
| 8250 e = e->semantic(sc); | |
| 8251 return e; | |
| 8252 } | |
| 8253 } | |
| 8254 | |
| 1587 | 8255 // Determine if this is an initialization of a reference |
| 8256 int refinit = 0; | |
| 8257 if (op == TOKconstruct && e1->op == TOKvar) | |
| 8258 { VarExp *ve = (VarExp *)e1; | |
| 8259 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 8260 if (v->storage_class & (STCout | STCref)) | |
| 8261 refinit = 1; | |
| 8262 } | |
| 8263 | |
| 8264 Type *t1 = e1->type->toBasetype(); | |
| 159 | 8265 |
| 8266 if (t1->ty == Tfunction) | |
| 8267 { // Rewrite f=value to f(value) | |
| 1587 | 8268 Expression *e = new CallExp(loc, e1, e2); |
| 159 | 8269 e = e->semantic(sc); |
| 8270 return e; | |
| 8271 } | |
| 8272 | |
| 8273 /* If it is an assignment from a 'foreign' type, | |
| 8274 * check for operator overloading. | |
| 8275 */ | |
| 8276 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 8277 { | |
| 8278 if (!e2->type->implicitConvTo(e1->type)) | |
| 8279 { | |
| 8280 Expression *e = op_overload(sc); | |
| 8281 if (e) | |
| 8282 return e; | |
| 8283 } | |
| 8284 } | |
| 8285 | |
| 8286 e2->rvalue(); | |
| 8287 | |
| 8288 if (e1->op == TOKarraylength) | |
| 8289 { | |
| 8290 // e1 is not an lvalue, but we let code generator handle it | |
| 8291 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 8292 | |
| 8293 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 8294 } | |
| 8295 else if (e1->op == TOKslice) | |
| 8296 ; | |
| 8297 else | |
| 8298 { // Try to do a decent error message with the expression | |
| 8299 // before it got constant folded | |
| 1587 | 8300 if (op != TOKconstruct) |
| 8301 e1 = e1->modifiableLvalue(sc, e1old); | |
| 159 | 8302 } |
| 8303 | |
| 8304 if (e1->op == TOKslice && | |
| 8305 t1->nextOf() && | |
| 8306 e2->implicitConvTo(t1->nextOf()) | |
| 8307 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 8308 ) | |
| 8309 { // memset | |
| 8310 ismemset = 1; // make it easy for back end to tell what this is | |
| 8311 e2 = e2->implicitCastTo(sc, t1->next); | |
| 8312 } | |
| 1587 | 8313 else if (t1->ty == Tsarray && !refinit) |
| 159 | 8314 { |
| 8315 error("cannot assign to static array %s", e1->toChars()); | |
| 8316 } | |
| 8317 else | |
| 8318 { | |
| 8319 e2 = e2->implicitCastTo(sc, e1->type); | |
| 8320 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8321 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8322 /* 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
|
8323 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8324 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
|
8325 (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
|
8326 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
|
8327 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
|
8328 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
|
8329 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
|
8330 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8331 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
|
8332 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
|
8333 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8334 |
| 159 | 8335 type = e1->type; |
| 8336 assert(type); | |
| 8337 return this; | |
| 8338 } | |
| 8339 | |
| 8340 Expression *AssignExp::checkToBoolean() | |
| 8341 { | |
| 8342 // Things like: | |
| 8343 // if (a = b) ... | |
| 8344 // are usually mistakes. | |
| 8345 | |
| 8346 error("'=' does not give a boolean result"); | |
| 8347 return this; | |
| 8348 } | |
| 8349 | |
| 8350 /************************************************************/ | |
| 8351 | |
| 8352 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8353 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 8354 { | |
| 8355 } | |
| 8356 | |
| 8357 Expression *AddAssignExp::semantic(Scope *sc) | |
| 8358 { Expression *e; | |
| 8359 | |
| 8360 if (type) | |
| 8361 return this; | |
| 8362 | |
| 8363 BinExp::semantic(sc); | |
| 8364 e2 = resolveProperties(sc, e2); | |
| 8365 | |
| 8366 e = op_overload(sc); | |
| 8367 if (e) | |
| 8368 return e; | |
| 8369 | |
| 8370 Type *tb1 = e1->type->toBasetype(); | |
| 8371 Type *tb2 = e2->type->toBasetype(); | |
| 8372 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8373 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
|
8374 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8375 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
|
8376 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
|
8377 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
|
8378 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8379 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8380 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8381 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
|
8382 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8383 |
| 159 | 8384 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8385 (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
|
8386 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8387 ) |
| 8388 { | |
| 8389 type = e1->type; | |
| 8390 e = this; | |
| 8391 } | |
| 8392 else | |
| 8393 { | |
| 8394 e1->checkScalar(); | |
| 8395 e1->checkNoBool(); | |
| 8396 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8397 e = scaleFactor(sc); | |
| 8398 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8399 { | |
| 8400 #if 0 | |
| 8401 // Need to rethink this | |
| 8402 if (e1->op != TOKvar) | |
| 8403 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8404 VarDeclaration *v; | |
| 8405 Expression *ea; | |
| 8406 Expression *ex; | |
| 8407 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8408 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8409 |
| 8410 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8411 v->semantic(sc); | |
| 8412 if (!sc->insert(v)) | |
| 8413 assert(0); | |
| 8414 v->parent = sc->func; | |
| 8415 | |
| 8416 ea = new AddrExp(loc, e1); | |
| 8417 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8418 | |
| 8419 ex = new VarExp(loc, v); | |
| 8420 ex = new PtrExp(loc, ex); | |
| 8421 e = new AddExp(loc, ex, e2); | |
| 8422 e = new CastExp(loc, e, e1->type); | |
| 8423 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8424 | |
| 8425 e = new CommaExp(loc, ea, e); | |
| 8426 } | |
| 8427 else | |
| 8428 #endif | |
| 8429 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8430 // BUG: doesn't account for side effects in e1 | |
| 8431 // BUG: other assignment operators for bits aren't handled at all | |
| 8432 e = new AddExp(loc, e1, e2); | |
| 8433 e = new CastExp(loc, e, e1->type); | |
| 8434 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8435 } | |
| 8436 e = e->semantic(sc); | |
| 8437 } | |
| 8438 else | |
| 8439 { | |
| 8440 type = e1->type; | |
| 8441 typeCombine(sc); | |
| 8442 e1->checkArithmetic(); | |
| 8443 e2->checkArithmetic(); | |
| 1587 | 8444 checkComplexAddAssign(); |
| 159 | 8445 if (type->isreal() || type->isimaginary()) |
| 8446 { | |
| 8447 assert(global.errors || e2->type->isfloating()); | |
| 8448 e2 = e2->castTo(sc, e1->type); | |
| 8449 } | |
| 8450 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8451 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8452 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
|
8453 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8454 } |
| 8455 } | |
| 8456 return e; | |
| 8457 } | |
| 8458 | |
| 8459 /************************************************************/ | |
| 8460 | |
| 8461 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8462 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8463 { | |
| 8464 } | |
| 8465 | |
| 8466 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8467 { Expression *e; | |
| 8468 | |
| 8469 if (type) | |
| 8470 return this; | |
| 8471 | |
| 8472 BinExp::semantic(sc); | |
| 8473 e2 = resolveProperties(sc, e2); | |
| 8474 | |
| 8475 e = op_overload(sc); | |
| 8476 if (e) | |
| 8477 return e; | |
| 8478 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8479 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
|
8480 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8481 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
|
8482 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
|
8483 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
|
8484 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8485 |
| 159 | 8486 e1 = e1->modifiableLvalue(sc, e1); |
| 8487 e1->checkScalar(); | |
| 8488 e1->checkNoBool(); | |
| 8489 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8490 e = scaleFactor(sc); | |
| 8491 else | |
| 8492 { | |
| 8493 e1 = e1->checkArithmetic(); | |
| 8494 e2 = e2->checkArithmetic(); | |
| 1587 | 8495 checkComplexAddAssign(); |
| 159 | 8496 type = e1->type; |
| 8497 typeCombine(sc); | |
| 8498 if (type->isreal() || type->isimaginary()) | |
| 8499 { | |
| 8500 assert(e2->type->isfloating()); | |
| 8501 e2 = e2->castTo(sc, e1->type); | |
| 8502 } | |
| 8503 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8504 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8505 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
|
8506 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8507 } |
| 8508 return e; | |
| 8509 } | |
| 8510 | |
| 8511 /************************************************************/ | |
| 8512 | |
| 8513 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8514 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8515 { | |
| 8516 } | |
| 8517 | |
| 8518 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8519 { Expression *e; | |
| 8520 | |
| 8521 BinExp::semantic(sc); | |
| 8522 e2 = resolveProperties(sc, e2); | |
| 8523 | |
| 8524 e = op_overload(sc); | |
| 8525 if (e) | |
| 8526 return e; | |
| 8527 | |
| 8528 if (e1->op == TOKslice) | |
| 8529 { SliceExp *se = (SliceExp *)e1; | |
| 8530 | |
| 8531 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8532 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8533 } | |
| 8534 | |
| 8535 e1 = e1->modifiableLvalue(sc, e1); | |
| 8536 | |
| 8537 Type *tb1 = e1->type->toBasetype(); | |
| 8538 Type *tb2 = e2->type->toBasetype(); | |
| 8539 | |
| 8540 e2->rvalue(); | |
| 8541 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8542 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
|
8543 |
| 159 | 8544 if ((tb1->ty == Tarray) && |
| 8545 (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
|
8546 (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
|
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 || 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
|
8549 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8550 ) |
| 159 | 8551 ) |
| 8552 { // Append array | |
| 8553 e2 = e2->castTo(sc, e1->type); | |
| 8554 type = e1->type; | |
| 8555 e = this; | |
| 8556 } | |
| 8557 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
|
8558 e2->implicitConvTo(tb1next) |
| 159 | 8559 ) |
| 8560 { // 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
|
8561 e2 = e2->castTo(sc, tb1next); |
| 159 | 8562 type = e1->type; |
| 8563 e = this; | |
| 8564 } | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8565 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
|
8566 (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
|
8567 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
|
8568 ) |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8569 { // 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
|
8570 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
|
8571 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
|
8572 e = this; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8573 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8574 /* 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
|
8575 * 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
|
8576 */ |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8577 } |
| 159 | 8578 else |
| 8579 { | |
| 8580 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
|
8581 e = new ErrorExp(); |
| 159 | 8582 } |
| 8583 return e; | |
| 8584 } | |
| 8585 | |
| 8586 /************************************************************/ | |
| 8587 | |
| 8588 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8589 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8590 { | |
| 8591 } | |
| 8592 | |
| 8593 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8594 { Expression *e; | |
| 8595 | |
| 8596 BinExp::semantic(sc); | |
| 8597 e2 = resolveProperties(sc, e2); | |
| 8598 | |
| 8599 e = op_overload(sc); | |
| 8600 if (e) | |
| 8601 return e; | |
| 8602 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8603 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8604 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
|
8605 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8606 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
|
8607 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
|
8608 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8609 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8610 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8611 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8612 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
|
8613 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8614 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
|
8615 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
|
8616 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
|
8617 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8618 |
| 159 | 8619 e1 = e1->modifiableLvalue(sc, e1); |
| 8620 e1->checkScalar(); | |
| 8621 e1->checkNoBool(); | |
| 8622 type = e1->type; | |
| 8623 typeCombine(sc); | |
| 8624 e1->checkArithmetic(); | |
| 8625 e2->checkArithmetic(); | |
| 1587 | 8626 checkComplexMulAssign(); |
| 159 | 8627 if (e2->type->isfloating()) |
| 8628 { Type *t1; | |
| 8629 Type *t2; | |
| 8630 | |
| 8631 t1 = e1->type; | |
| 8632 t2 = e2->type; | |
| 8633 if (t1->isreal()) | |
| 8634 { | |
| 8635 if (t2->isimaginary() || t2->iscomplex()) | |
| 8636 { | |
| 8637 e2 = e2->castTo(sc, t1); | |
| 8638 } | |
| 8639 } | |
| 8640 else if (t1->isimaginary()) | |
| 8641 { | |
| 8642 if (t2->isimaginary() || t2->iscomplex()) | |
| 8643 { | |
| 8644 switch (t1->ty) | |
| 8645 { | |
| 8646 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8647 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8648 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8649 default: | |
| 8650 assert(0); | |
| 8651 } | |
| 8652 e2 = e2->castTo(sc, t2); | |
| 8653 } | |
| 8654 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8655 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8656 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
|
8657 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8658 } |
| 8659 return this; | |
| 8660 } | |
| 8661 | |
| 8662 /************************************************************/ | |
| 8663 | |
| 8664 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8665 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8666 { | |
| 8667 } | |
| 8668 | |
| 8669 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8670 { Expression *e; | |
| 8671 | |
| 8672 BinExp::semantic(sc); | |
| 8673 e2 = resolveProperties(sc, e2); | |
| 8674 | |
| 8675 e = op_overload(sc); | |
| 8676 if (e) | |
| 8677 return e; | |
| 8678 | |
|
1605
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8679 #if DMDV2 |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8680 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
|
8681 { |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8682 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
|
8683 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
|
8684 return e; |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8685 } |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8686 #endif |
|
1d5721f9ae18
[WIP] Merge DMD r251: bugzilla 111 (appending a dchar to a char[])
Leandro Lucarella <llucax@gmail.com>
parents:
1604
diff
changeset
|
8687 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8688 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
|
8689 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8690 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
|
8691 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
|
8692 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
|
8693 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8694 |
| 159 | 8695 e1 = e1->modifiableLvalue(sc, e1); |
| 8696 e1->checkScalar(); | |
| 8697 e1->checkNoBool(); | |
| 8698 type = e1->type; | |
| 8699 typeCombine(sc); | |
| 8700 e1->checkArithmetic(); | |
| 8701 e2->checkArithmetic(); | |
| 1587 | 8702 checkComplexMulAssign(); |
| 159 | 8703 if (e2->type->isimaginary()) |
| 8704 { Type *t1; | |
| 8705 Type *t2; | |
| 8706 | |
| 8707 t1 = e1->type; | |
| 8708 if (t1->isreal()) | |
| 8709 { // x/iv = i(-x/v) | |
| 8710 // Therefore, the result is 0 | |
| 8711 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8712 e2->type = t1; | |
| 8713 e = new AssignExp(loc, e1, e2); | |
| 8714 e->type = t1; | |
| 8715 return e; | |
| 8716 } | |
| 8717 else if (t1->isimaginary()) | |
| 8718 { Expression *e; | |
| 8719 | |
| 8720 switch (t1->ty) | |
| 8721 { | |
| 8722 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8723 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8724 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8725 default: | |
| 8726 assert(0); | |
| 8727 } | |
| 8728 e2 = e2->castTo(sc, t2); | |
| 8729 e = new AssignExp(loc, e1, e2); | |
| 8730 e->type = t1; | |
| 8731 return e; | |
| 8732 } | |
| 8733 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8734 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8735 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
|
8736 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
|
8737 |
| 159 | 8738 return this; |
| 8739 } | |
| 8740 | |
| 8741 /************************************************************/ | |
| 8742 | |
| 8743 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8744 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8745 { | |
| 8746 } | |
| 8747 | |
| 8748 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8749 { | |
| 1587 | 8750 BinExp::semantic(sc); |
| 8751 checkComplexMulAssign(); | |
| 159 | 8752 return commonSemanticAssign(sc); |
| 8753 } | |
| 8754 | |
| 8755 /************************************************************/ | |
| 8756 | |
| 8757 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8758 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8759 { | |
| 8760 } | |
| 8761 | |
| 8762 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8763 { Expression *e; | |
| 8764 | |
| 8765 //printf("ShlAssignExp::semantic()\n"); | |
| 8766 BinExp::semantic(sc); | |
| 8767 e2 = resolveProperties(sc, e2); | |
| 8768 | |
| 8769 e = op_overload(sc); | |
| 8770 if (e) | |
| 8771 return e; | |
| 8772 | |
| 8773 e1 = e1->modifiableLvalue(sc, e1); | |
| 8774 e1->checkScalar(); | |
| 8775 e1->checkNoBool(); | |
| 8776 type = e1->type; | |
| 8777 typeCombine(sc); | |
| 8778 e1->checkIntegral(); | |
| 8779 e2 = e2->checkIntegral(); | |
| 8780 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8781 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8782 return this; |
| 8783 } | |
| 8784 | |
| 8785 /************************************************************/ | |
| 8786 | |
| 8787 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8788 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8789 { | |
| 8790 } | |
| 8791 | |
| 8792 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8793 { Expression *e; | |
| 8794 | |
| 8795 BinExp::semantic(sc); | |
| 8796 e2 = resolveProperties(sc, e2); | |
| 8797 | |
| 8798 e = op_overload(sc); | |
| 8799 if (e) | |
| 8800 return e; | |
| 8801 | |
| 8802 e1 = e1->modifiableLvalue(sc, e1); | |
| 8803 e1->checkScalar(); | |
| 8804 e1->checkNoBool(); | |
| 8805 type = e1->type; | |
| 8806 typeCombine(sc); | |
| 8807 e1->checkIntegral(); | |
| 8808 e2 = e2->checkIntegral(); | |
| 8809 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8810 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8811 return this; |
| 8812 } | |
| 8813 | |
| 8814 /************************************************************/ | |
| 8815 | |
| 8816 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8817 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8818 { | |
| 8819 } | |
| 8820 | |
| 8821 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8822 { Expression *e; | |
| 8823 | |
| 8824 BinExp::semantic(sc); | |
| 8825 e2 = resolveProperties(sc, e2); | |
| 8826 | |
| 8827 e = op_overload(sc); | |
| 8828 if (e) | |
| 8829 return e; | |
| 8830 | |
| 8831 e1 = e1->modifiableLvalue(sc, e1); | |
| 8832 e1->checkScalar(); | |
| 8833 e1->checkNoBool(); | |
| 8834 type = e1->type; | |
| 8835 typeCombine(sc); | |
| 8836 e1->checkIntegral(); | |
| 8837 e2 = e2->checkIntegral(); | |
| 8838 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8839 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8840 return this; |
| 8841 } | |
| 8842 | |
| 8843 /************************************************************/ | |
| 8844 | |
| 8845 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8846 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8847 { | |
| 8848 } | |
| 8849 | |
| 8850 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8851 { | |
| 8852 return commonSemanticAssignIntegral(sc); | |
| 8853 } | |
| 8854 | |
| 8855 /************************************************************/ | |
| 8856 | |
| 8857 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8858 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8859 { | |
| 8860 } | |
| 8861 | |
| 8862 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8863 { | |
| 8864 return commonSemanticAssignIntegral(sc); | |
| 8865 } | |
| 8866 | |
| 8867 /************************************************************/ | |
| 8868 | |
| 8869 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8870 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8871 { | |
| 8872 } | |
| 8873 | |
| 8874 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8875 { | |
| 8876 return commonSemanticAssignIntegral(sc); | |
| 8877 } | |
| 8878 | |
| 8879 /************************* AddExp *****************************/ | |
| 8880 | |
| 8881 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8882 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8883 { | |
| 8884 } | |
| 8885 | |
| 8886 Expression *AddExp::semantic(Scope *sc) | |
| 8887 { Expression *e; | |
| 8888 | |
| 8889 #if LOGSEMANTIC | |
| 8890 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8891 #endif | |
| 8892 if (!type) | |
| 8893 { | |
| 8894 BinExp::semanticp(sc); | |
| 8895 | |
| 8896 e = op_overload(sc); | |
| 8897 if (e) | |
| 8898 return e; | |
| 8899 | |
| 8900 Type *tb1 = e1->type->toBasetype(); | |
| 8901 Type *tb2 = e2->type->toBasetype(); | |
| 8902 | |
| 8903 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8904 (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
|
8905 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8906 ) |
| 8907 { | |
| 8908 type = e1->type; | |
| 8909 e = this; | |
| 8910 } | |
| 8911 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8912 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8913 e = scaleFactor(sc); | |
| 8914 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8915 { | |
| 8916 incompatibleTypes(); | |
| 8917 type = e1->type; | |
| 8918 e = this; | |
| 8919 } | |
| 8920 else | |
| 8921 { | |
| 8922 typeCombine(sc); | |
| 8923 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8924 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8925 { | |
| 8926 switch (type->toBasetype()->ty) | |
| 8927 { | |
| 8928 case Tfloat32: | |
| 8929 case Timaginary32: | |
| 8930 type = Type::tcomplex32; | |
| 8931 break; | |
| 8932 | |
| 8933 case Tfloat64: | |
| 8934 case Timaginary64: | |
| 8935 type = Type::tcomplex64; | |
| 8936 break; | |
| 8937 | |
| 8938 case Tfloat80: | |
| 8939 case Timaginary80: | |
| 8940 type = Type::tcomplex80; | |
| 8941 break; | |
| 8942 | |
| 8943 default: | |
| 8944 assert(0); | |
| 8945 } | |
| 8946 } | |
| 8947 e = this; | |
| 8948 } | |
| 8949 return e; | |
| 8950 } | |
| 8951 return this; | |
| 8952 } | |
| 8953 | |
| 8954 /************************************************************/ | |
| 8955 | |
| 8956 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8957 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8958 { | |
| 8959 } | |
| 8960 | |
| 8961 Expression *MinExp::semantic(Scope *sc) | |
| 8962 { Expression *e; | |
| 8963 Type *t1; | |
| 8964 Type *t2; | |
| 8965 | |
| 8966 #if LOGSEMANTIC | |
| 8967 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8968 #endif | |
| 8969 if (type) | |
| 8970 return this; | |
| 8971 | |
| 8972 BinExp::semanticp(sc); | |
| 8973 | |
| 8974 e = op_overload(sc); | |
| 8975 if (e) | |
| 8976 return e; | |
| 8977 | |
| 8978 e = this; | |
| 8979 t1 = e1->type->toBasetype(); | |
| 8980 t2 = e2->type->toBasetype(); | |
| 8981 if (t1->ty == Tpointer) | |
| 8982 { | |
| 8983 if (t2->ty == Tpointer) | |
| 8984 { // Need to divide the result by the stride | |
| 8985 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8986 d_int64 stride; | |
| 8987 Expression *e; | |
| 8988 | |
| 8989 typeCombine(sc); // make sure pointer types are compatible | |
| 8990 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
|
8991 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
|
8992 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
|
8993 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8994 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
|
8995 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8996 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8997 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8998 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
|
8999 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
|
9000 } |
| 159 | 9001 return e; |
| 9002 } | |
| 9003 else if (t2->isintegral()) | |
| 9004 e = scaleFactor(sc); | |
| 9005 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
|
9006 { error("incompatible types for minus"); |
| 159 | 9007 return new IntegerExp(0); |
| 9008 } | |
| 9009 } | |
| 9010 else if (t2->ty == Tpointer) | |
| 9011 { | |
| 9012 type = e2->type; | |
| 9013 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 9014 return new IntegerExp(0); | |
| 9015 } | |
| 9016 else | |
| 9017 { | |
| 9018 typeCombine(sc); | |
| 9019 t1 = e1->type->toBasetype(); | |
| 9020 t2 = e2->type->toBasetype(); | |
| 9021 if ((t1->isreal() && t2->isimaginary()) || | |
| 9022 (t1->isimaginary() && t2->isreal())) | |
| 9023 { | |
| 9024 switch (type->ty) | |
| 9025 { | |
| 9026 case Tfloat32: | |
| 9027 case Timaginary32: | |
| 9028 type = Type::tcomplex32; | |
| 9029 break; | |
| 9030 | |
| 9031 case Tfloat64: | |
| 9032 case Timaginary64: | |
| 9033 type = Type::tcomplex64; | |
| 9034 break; | |
| 9035 | |
| 9036 case Tfloat80: | |
| 9037 case Timaginary80: | |
| 9038 type = Type::tcomplex80; | |
| 9039 break; | |
| 9040 | |
| 9041 default: | |
| 9042 assert(0); | |
| 9043 } | |
| 9044 } | |
| 9045 } | |
| 9046 return e; | |
| 9047 } | |
| 9048 | |
| 9049 /************************* CatExp *****************************/ | |
| 9050 | |
| 9051 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 9052 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 9053 { | |
| 9054 } | |
| 9055 | |
| 9056 Expression *CatExp::semantic(Scope *sc) | |
| 9057 { Expression *e; | |
| 9058 | |
| 9059 //printf("CatExp::semantic() %s\n", toChars()); | |
| 9060 if (!type) | |
| 9061 { | |
| 9062 BinExp::semanticp(sc); | |
| 9063 e = op_overload(sc); | |
| 9064 if (e) | |
| 9065 return e; | |
| 9066 | |
| 9067 Type *tb1 = e1->type->toBasetype(); | |
| 9068 Type *tb2 = e2->type->toBasetype(); | |
| 9069 | |
| 9070 | |
| 9071 /* BUG: Should handle things like: | |
| 9072 * char c; | |
| 9073 * c ~ ' ' | |
| 9074 * ' ' ~ c; | |
| 9075 */ | |
| 9076 | |
| 9077 #if 0 | |
| 9078 e1->type->print(); | |
| 9079 e2->type->print(); | |
| 9080 #endif | |
| 9081 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 9082 e2->type->equals(tb1->next)) | |
| 9083 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9084 type = tb1->nextOf()->arrayOf(); |
| 159 | 9085 if (tb2->ty == Tarray) |
| 9086 { // Make e2 into [e2] | |
| 9087 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 9088 e2->type = type; | |
| 9089 } | |
| 9090 return this; | |
| 9091 } | |
| 9092 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 9093 e1->type->equals(tb2->next)) | |
| 9094 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9095 type = tb2->nextOf()->arrayOf(); |
| 159 | 9096 if (tb1->ty == Tarray) |
| 9097 { // Make e1 into [e1] | |
| 9098 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 9099 e1->type = type; | |
| 9100 } | |
| 9101 return this; | |
| 9102 } | |
| 9103 | |
| 9104 typeCombine(sc); | |
| 9105 | |
| 9106 if (type->toBasetype()->ty == Tsarray) | |
| 9107 type = type->toBasetype()->next->arrayOf(); | |
| 9108 #if 0 | |
| 9109 e1->type->print(); | |
| 9110 e2->type->print(); | |
| 9111 type->print(); | |
| 9112 print(); | |
| 9113 #endif | |
| 9114 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 9115 e = optimize(WANTvalue); | |
| 9116 else if (e1->type->equals(e2->type) && | |
| 9117 (e1->type->toBasetype()->ty == Tarray || | |
| 9118 e1->type->toBasetype()->ty == Tsarray)) | |
| 9119 { | |
| 9120 e = this; | |
| 9121 } | |
| 9122 else | |
| 9123 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9124 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 9125 error("Can only concatenate arrays, not (%s ~ %s)", |
| 9126 e1->type->toChars(), e2->type->toChars()); | |
| 9127 type = Type::tint32; | |
| 9128 e = this; | |
| 9129 } | |
| 9130 e->type = e->type->semantic(loc, sc); | |
| 9131 return e; | |
| 9132 } | |
| 9133 return this; | |
| 9134 } | |
| 9135 | |
| 9136 /************************************************************/ | |
| 9137 | |
| 9138 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 9139 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 9140 { | |
| 9141 } | |
| 9142 | |
| 9143 Expression *MulExp::semantic(Scope *sc) | |
| 9144 { Expression *e; | |
| 9145 | |
| 9146 #if 0 | |
| 9147 printf("MulExp::semantic() %s\n", toChars()); | |
| 9148 #endif | |
| 9149 if (type) | |
| 9150 { | |
| 9151 return this; | |
| 9152 } | |
| 9153 | |
| 9154 BinExp::semanticp(sc); | |
| 9155 e = op_overload(sc); | |
| 9156 if (e) | |
| 9157 return e; | |
| 9158 | |
| 9159 typeCombine(sc); | |
| 1587 | 9160 if (!e1->isArrayOperand()) |
| 9161 e1->checkArithmetic(); | |
| 9162 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
|
9163 e2->checkArithmetic(); |
| 159 | 9164 if (type->isfloating()) |
| 9165 { Type *t1 = e1->type; | |
| 9166 Type *t2 = e2->type; | |
| 9167 | |
| 9168 if (t1->isreal()) | |
| 9169 { | |
| 9170 type = t2; | |
| 9171 } | |
| 9172 else if (t2->isreal()) | |
| 9173 { | |
| 9174 type = t1; | |
| 9175 } | |
| 9176 else if (t1->isimaginary()) | |
| 9177 { | |
| 9178 if (t2->isimaginary()) | |
| 9179 { Expression *e; | |
| 9180 | |
| 9181 switch (t1->ty) | |
| 9182 { | |
| 9183 case Timaginary32: type = Type::tfloat32; break; | |
| 9184 case Timaginary64: type = Type::tfloat64; break; | |
| 9185 case Timaginary80: type = Type::tfloat80; break; | |
| 9186 default: assert(0); | |
| 9187 } | |
| 9188 | |
| 9189 // iy * iv = -yv | |
| 9190 e1->type = type; | |
| 9191 e2->type = type; | |
| 9192 e = new NegExp(loc, this); | |
| 9193 e = e->semantic(sc); | |
| 9194 return e; | |
| 9195 } | |
| 9196 else | |
| 9197 type = t2; // t2 is complex | |
| 9198 } | |
| 9199 else if (t2->isimaginary()) | |
| 9200 { | |
| 9201 type = t1; // t1 is complex | |
| 9202 } | |
| 9203 } | |
| 9204 return this; | |
| 9205 } | |
| 9206 | |
| 9207 /************************************************************/ | |
| 9208 | |
| 9209 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 9210 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 9211 { | |
| 9212 } | |
| 9213 | |
| 9214 Expression *DivExp::semantic(Scope *sc) | |
| 9215 { Expression *e; | |
| 9216 | |
| 9217 if (type) | |
| 9218 return this; | |
| 9219 | |
| 9220 BinExp::semanticp(sc); | |
| 9221 e = op_overload(sc); | |
| 9222 if (e) | |
| 9223 return e; | |
| 9224 | |
| 9225 typeCombine(sc); | |
| 1587 | 9226 if (!e1->isArrayOperand()) |
| 9227 e1->checkArithmetic(); | |
| 9228 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
|
9229 e2->checkArithmetic(); |
| 159 | 9230 if (type->isfloating()) |
| 9231 { Type *t1 = e1->type; | |
| 9232 Type *t2 = e2->type; | |
| 9233 | |
| 9234 if (t1->isreal()) | |
| 9235 { | |
| 9236 type = t2; | |
| 9237 if (t2->isimaginary()) | |
| 9238 { Expression *e; | |
| 9239 | |
| 9240 // x/iv = i(-x/v) | |
| 9241 e2->type = t1; | |
| 9242 e = new NegExp(loc, this); | |
| 9243 e = e->semantic(sc); | |
| 9244 return e; | |
| 9245 } | |
| 9246 } | |
| 9247 else if (t2->isreal()) | |
| 9248 { | |
| 9249 type = t1; | |
| 9250 } | |
| 9251 else if (t1->isimaginary()) | |
| 9252 { | |
| 9253 if (t2->isimaginary()) | |
| 9254 { | |
| 9255 switch (t1->ty) | |
| 9256 { | |
| 9257 case Timaginary32: type = Type::tfloat32; break; | |
| 9258 case Timaginary64: type = Type::tfloat64; break; | |
| 9259 case Timaginary80: type = Type::tfloat80; break; | |
| 9260 default: assert(0); | |
| 9261 } | |
| 9262 } | |
| 9263 else | |
| 9264 type = t2; // t2 is complex | |
| 9265 } | |
| 9266 else if (t2->isimaginary()) | |
| 9267 { | |
| 9268 type = t1; // t1 is complex | |
| 9269 } | |
| 9270 } | |
| 9271 return this; | |
| 9272 } | |
| 9273 | |
| 9274 /************************************************************/ | |
| 9275 | |
| 9276 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 9277 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 9278 { | |
| 9279 } | |
| 9280 | |
| 9281 Expression *ModExp::semantic(Scope *sc) | |
| 9282 { Expression *e; | |
| 9283 | |
| 9284 if (type) | |
| 9285 return this; | |
| 9286 | |
| 9287 BinExp::semanticp(sc); | |
| 9288 e = op_overload(sc); | |
| 9289 if (e) | |
| 9290 return e; | |
| 9291 | |
| 9292 typeCombine(sc); | |
| 1587 | 9293 if (!e1->isArrayOperand()) |
| 9294 e1->checkArithmetic(); | |
| 9295 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
|
9296 e2->checkArithmetic(); |
| 159 | 9297 if (type->isfloating()) |
| 9298 { type = e1->type; | |
| 9299 if (e2->type->iscomplex()) | |
| 9300 { error("cannot perform modulo complex arithmetic"); | |
| 9301 return new IntegerExp(0); | |
| 9302 } | |
| 9303 } | |
| 9304 return this; | |
| 9305 } | |
| 9306 | |
| 9307 /************************************************************/ | |
| 9308 | |
| 9309 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 9310 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 9311 { | |
| 9312 } | |
| 9313 | |
| 9314 Expression *ShlExp::semantic(Scope *sc) | |
| 9315 { Expression *e; | |
| 9316 | |
| 9317 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 9318 if (!type) | |
| 9319 { BinExp::semanticp(sc); | |
| 9320 e = op_overload(sc); | |
| 9321 if (e) | |
| 9322 return e; | |
| 9323 e1 = e1->checkIntegral(); | |
| 9324 e2 = e2->checkIntegral(); | |
| 9325 e1 = e1->integralPromotions(sc); | |
| 9326 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9327 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9328 type = e1->type; |
| 9329 } | |
| 9330 return this; | |
| 9331 } | |
| 9332 | |
| 9333 /************************************************************/ | |
| 9334 | |
| 9335 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9336 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 9337 { | |
| 9338 } | |
| 9339 | |
| 9340 Expression *ShrExp::semantic(Scope *sc) | |
| 9341 { Expression *e; | |
| 9342 | |
| 9343 if (!type) | |
| 9344 { BinExp::semanticp(sc); | |
| 9345 e = op_overload(sc); | |
| 9346 if (e) | |
| 9347 return e; | |
| 9348 e1 = e1->checkIntegral(); | |
| 9349 e2 = e2->checkIntegral(); | |
| 9350 e1 = e1->integralPromotions(sc); | |
| 9351 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9352 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9353 type = e1->type; |
| 9354 } | |
| 9355 return this; | |
| 9356 } | |
| 9357 | |
| 9358 /************************************************************/ | |
| 9359 | |
| 9360 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9361 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 9362 { | |
| 9363 } | |
| 9364 | |
| 9365 Expression *UshrExp::semantic(Scope *sc) | |
| 9366 { Expression *e; | |
| 9367 | |
| 9368 if (!type) | |
| 9369 { BinExp::semanticp(sc); | |
| 9370 e = op_overload(sc); | |
| 9371 if (e) | |
| 9372 return e; | |
| 9373 e1 = e1->checkIntegral(); | |
| 9374 e2 = e2->checkIntegral(); | |
| 9375 e1 = e1->integralPromotions(sc); | |
| 9376 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9377 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 9378 type = e1->type; |
| 9379 } | |
| 9380 return this; | |
| 9381 } | |
| 9382 | |
| 9383 /************************************************************/ | |
| 9384 | |
| 9385 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9386 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 9387 { | |
| 9388 } | |
| 9389 | |
| 9390 Expression *AndExp::semantic(Scope *sc) | |
| 9391 { Expression *e; | |
| 9392 | |
| 9393 if (!type) | |
| 9394 { BinExp::semanticp(sc); | |
| 9395 e = op_overload(sc); | |
| 9396 if (e) | |
| 9397 return e; | |
| 9398 if (e1->type->toBasetype()->ty == Tbool && | |
| 9399 e2->type->toBasetype()->ty == Tbool) | |
| 9400 { | |
| 9401 type = e1->type; | |
| 9402 e = this; | |
| 9403 } | |
| 9404 else | |
| 9405 { | |
| 9406 typeCombine(sc); | |
| 1587 | 9407 if (!e1->isArrayOperand()) |
| 9408 e1->checkIntegral(); | |
| 9409 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
|
9410 e2->checkIntegral(); |
| 159 | 9411 } |
| 9412 } | |
| 9413 return this; | |
| 9414 } | |
| 9415 | |
| 9416 /************************************************************/ | |
| 9417 | |
| 9418 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9419 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 9420 { | |
| 9421 } | |
| 9422 | |
| 9423 Expression *OrExp::semantic(Scope *sc) | |
| 9424 { Expression *e; | |
| 9425 | |
| 9426 if (!type) | |
| 9427 { BinExp::semanticp(sc); | |
| 9428 e = op_overload(sc); | |
| 9429 if (e) | |
| 9430 return e; | |
| 9431 if (e1->type->toBasetype()->ty == Tbool && | |
| 9432 e2->type->toBasetype()->ty == Tbool) | |
| 9433 { | |
| 9434 type = e1->type; | |
| 9435 e = this; | |
| 9436 } | |
| 9437 else | |
| 9438 { | |
| 9439 typeCombine(sc); | |
| 1587 | 9440 if (!e1->isArrayOperand()) |
| 9441 e1->checkIntegral(); | |
| 9442 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
|
9443 e2->checkIntegral(); |
| 159 | 9444 } |
| 9445 } | |
| 9446 return this; | |
| 9447 } | |
| 9448 | |
| 9449 /************************************************************/ | |
| 9450 | |
| 9451 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9452 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9453 { | |
| 9454 } | |
| 9455 | |
| 9456 Expression *XorExp::semantic(Scope *sc) | |
| 9457 { Expression *e; | |
| 9458 | |
| 9459 if (!type) | |
| 9460 { BinExp::semanticp(sc); | |
| 9461 e = op_overload(sc); | |
| 9462 if (e) | |
| 9463 return e; | |
| 9464 if (e1->type->toBasetype()->ty == Tbool && | |
| 9465 e2->type->toBasetype()->ty == Tbool) | |
| 9466 { | |
| 9467 type = e1->type; | |
| 9468 e = this; | |
| 9469 } | |
| 9470 else | |
| 9471 { | |
| 9472 typeCombine(sc); | |
| 1587 | 9473 if (!e1->isArrayOperand()) |
| 9474 e1->checkIntegral(); | |
| 9475 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
|
9476 e2->checkIntegral(); |
| 159 | 9477 } |
| 9478 } | |
| 9479 return this; | |
| 9480 } | |
| 9481 | |
| 9482 | |
| 9483 /************************************************************/ | |
| 9484 | |
| 9485 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9486 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9487 { | |
| 9488 } | |
| 9489 | |
| 9490 Expression *OrOrExp::semantic(Scope *sc) | |
| 9491 { | |
| 9492 unsigned cs1; | |
| 9493 | |
| 9494 // same as for AndAnd | |
| 9495 e1 = e1->semantic(sc); | |
| 9496 e1 = resolveProperties(sc, e1); | |
| 9497 e1 = e1->checkToPointer(); | |
| 9498 e1 = e1->checkToBoolean(); | |
| 9499 cs1 = sc->callSuper; | |
| 9500 | |
| 9501 if (sc->flags & SCOPEstaticif) | |
| 9502 { | |
| 9503 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9504 */ | |
| 9505 e1 = e1->optimize(WANTflags); | |
| 9506 if (e1->isBool(TRUE)) | |
| 9507 { | |
| 9508 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9509 } | |
| 9510 } | |
| 9511 | |
| 9512 e2 = e2->semantic(sc); | |
| 9513 sc->mergeCallSuper(loc, cs1); | |
| 9514 e2 = resolveProperties(sc, e2); | |
| 9515 e2 = e2->checkToPointer(); | |
| 9516 | |
| 9517 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
|
9518 if (e2->type->ty == Tvoid) |
| 159 | 9519 type = Type::tvoid; |
| 9520 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9521 error("%s is not an expression", e2->toChars()); | |
| 9522 return this; | |
| 9523 } | |
| 9524 | |
| 9525 Expression *OrOrExp::checkToBoolean() | |
| 9526 { | |
| 9527 e2 = e2->checkToBoolean(); | |
| 9528 return this; | |
| 9529 } | |
| 9530 | |
| 9531 int OrOrExp::isBit() | |
| 9532 { | |
| 9533 return TRUE; | |
| 9534 } | |
| 9535 | |
| 9536 int OrOrExp::checkSideEffect(int flag) | |
| 9537 { | |
| 9538 if (flag == 2) | |
| 9539 { | |
| 9540 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9541 } | |
| 9542 else | |
| 9543 { e1->checkSideEffect(1); | |
| 9544 return e2->checkSideEffect(flag); | |
| 9545 } | |
| 9546 } | |
| 9547 | |
| 9548 /************************************************************/ | |
| 9549 | |
| 9550 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9551 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9552 { | |
| 9553 } | |
| 9554 | |
| 9555 Expression *AndAndExp::semantic(Scope *sc) | |
| 9556 { | |
| 9557 unsigned cs1; | |
| 9558 | |
| 9559 // same as for OrOr | |
| 9560 e1 = e1->semantic(sc); | |
| 9561 e1 = resolveProperties(sc, e1); | |
| 9562 e1 = e1->checkToPointer(); | |
| 9563 e1 = e1->checkToBoolean(); | |
| 9564 cs1 = sc->callSuper; | |
| 9565 | |
| 9566 if (sc->flags & SCOPEstaticif) | |
| 9567 { | |
| 9568 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9569 */ | |
| 9570 e1 = e1->optimize(WANTflags); | |
| 9571 if (e1->isBool(FALSE)) | |
| 9572 { | |
| 9573 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9574 } | |
| 9575 } | |
| 9576 | |
| 9577 e2 = e2->semantic(sc); | |
| 9578 sc->mergeCallSuper(loc, cs1); | |
| 9579 e2 = resolveProperties(sc, e2); | |
| 9580 e2 = e2->checkToPointer(); | |
| 9581 | |
| 9582 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
|
9583 if (e2->type->ty == Tvoid) |
| 159 | 9584 type = Type::tvoid; |
| 9585 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9586 error("%s is not an expression", e2->toChars()); | |
| 9587 return this; | |
| 9588 } | |
| 9589 | |
| 9590 Expression *AndAndExp::checkToBoolean() | |
| 9591 { | |
| 9592 e2 = e2->checkToBoolean(); | |
| 9593 return this; | |
| 9594 } | |
| 9595 | |
| 9596 int AndAndExp::isBit() | |
| 9597 { | |
| 9598 return TRUE; | |
| 9599 } | |
| 9600 | |
| 9601 int AndAndExp::checkSideEffect(int flag) | |
| 9602 { | |
| 9603 if (flag == 2) | |
| 9604 { | |
| 9605 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9606 } | |
| 9607 else | |
| 9608 { | |
| 9609 e1->checkSideEffect(1); | |
| 9610 return e2->checkSideEffect(flag); | |
| 9611 } | |
| 9612 } | |
| 9613 | |
| 9614 /************************************************************/ | |
| 9615 | |
| 9616 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9617 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9618 { | |
| 9619 } | |
| 9620 | |
| 9621 Expression *InExp::semantic(Scope *sc) | |
| 9622 { Expression *e; | |
| 9623 | |
| 9624 if (type) | |
| 9625 return this; | |
| 9626 | |
| 9627 BinExp::semanticp(sc); | |
| 9628 e = op_overload(sc); | |
| 9629 if (e) | |
| 9630 return e; | |
| 9631 | |
| 9632 //type = Type::tboolean; | |
| 9633 Type *t2b = e2->type->toBasetype(); | |
| 9634 if (t2b->ty != Taarray) | |
| 9635 { | |
| 9636 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9637 type = Type::terror; | |
| 9638 } | |
| 9639 else | |
| 9640 { | |
| 9641 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9642 | |
| 9643 // Convert key to type of key | |
| 9644 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9645 | |
| 9646 // 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
|
9647 type = ta->nextOf()->pointerTo(); |
| 159 | 9648 } |
| 9649 return this; | |
| 9650 } | |
| 9651 | |
| 9652 int InExp::isBit() | |
| 9653 { | |
| 9654 return FALSE; | |
| 9655 } | |
| 9656 | |
| 9657 | |
| 9658 /************************************************************/ | |
| 9659 | |
| 9660 /* This deletes the key e1 from the associative array e2 | |
| 9661 */ | |
| 9662 | |
| 9663 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9664 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9665 { | |
| 9666 type = Type::tvoid; | |
| 9667 } | |
| 9668 | |
| 9669 /************************************************************/ | |
| 9670 | |
| 9671 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9672 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9673 { | |
| 9674 } | |
| 9675 | |
| 9676 Expression *CmpExp::semantic(Scope *sc) | |
| 9677 { Expression *e; | |
| 9678 | |
| 9679 #if LOGSEMANTIC | |
| 9680 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9681 #endif | |
| 9682 if (type) | |
| 9683 return this; | |
| 9684 | |
| 9685 BinExp::semanticp(sc); | |
| 9686 | |
| 1587 | 9687 Type *t1 = e1->type->toBasetype(); |
| 9688 Type *t2 = e2->type->toBasetype(); | |
| 9689 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9690 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9691 { |
| 9692 error("do not use null when comparing class types"); | |
| 9693 } | |
| 9694 | |
| 9695 e = op_overload(sc); | |
| 9696 if (e) | |
| 9697 { | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9698 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
|
9699 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9700 error("recursive opCmp expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9701 e = new ErrorExp(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9702 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9703 else |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9704 { 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
|
9705 e = e->semantic(sc); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1358
diff
changeset
|
9706 } |
| 159 | 9707 return e; |
| 9708 } | |
| 9709 | |
| 1587 | 9710 /* Disallow comparing T[]==T and T==T[] |
| 9711 */ | |
| 9712 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9713 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9714 { | |
| 9715 incompatibleTypes(); | |
| 9716 return new ErrorExp(); | |
| 9717 } | |
| 9718 | |
| 159 | 9719 typeCombine(sc); |
| 9720 type = Type::tboolean; | |
| 9721 | |
| 9722 // Special handling for array comparisons | |
| 9723 t1 = e1->type->toBasetype(); | |
| 9724 t2 = e2->type->toBasetype(); | |
| 9725 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9726 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9727 { | |
| 9728 if (!t1->next->equals(t2->next)) | |
| 9729 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9730 e = this; | |
| 9731 } | |
| 9732 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9733 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9734 { | |
| 9735 if (t2->ty == Tstruct) | |
| 9736 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9737 else | |
| 9738 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9739 e = this; | |
| 9740 } | |
| 9741 #if 1 | |
| 9742 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9743 { | |
| 9744 error("compare not defined for complex operands"); | |
| 9745 e = new IntegerExp(0); | |
| 9746 } | |
| 9747 #endif | |
| 9748 else | |
| 9749 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
|
9750 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9751 return e; |
| 9752 } | |
| 9753 | |
| 9754 int CmpExp::isBit() | |
| 9755 { | |
| 9756 return TRUE; | |
| 9757 } | |
| 9758 | |
| 9759 | |
| 9760 /************************************************************/ | |
| 9761 | |
| 9762 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9763 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9764 { | |
| 9765 assert(op == TOKequal || op == TOKnotequal); | |
| 9766 } | |
| 9767 | |
| 9768 Expression *EqualExp::semantic(Scope *sc) | |
| 9769 { Expression *e; | |
| 9770 | |
| 9771 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9772 if (type) | |
| 9773 return this; | |
| 9774 | |
| 9775 BinExp::semanticp(sc); | |
| 9776 | |
| 9777 /* Before checking for operator overloading, check to see if we're | |
| 9778 * comparing the addresses of two statics. If so, we can just see | |
| 9779 * if they are the same symbol. | |
| 9780 */ | |
| 9781 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9782 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9783 AddrExp *ae2 = (AddrExp *)e2; | |
| 9784 | |
| 9785 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9786 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9787 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9788 | |
| 9789 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9790 { | |
| 9791 // They are the same, result is 'true' for ==, 'false' for != | |
| 9792 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9793 return e; | |
| 9794 } | |
| 9795 } | |
| 9796 } | |
| 9797 | |
| 1587 | 9798 Type *t1 = e1->type->toBasetype(); |
| 9799 Type *t2 = e2->type->toBasetype(); | |
| 9800 if (t1->ty == Tclass && e2->op == TOKnull || | |
| 9801 t2->ty == Tclass && e1->op == TOKnull) | |
| 159 | 9802 { |
| 9803 error("use '%s' instead of '%s' when comparing with null", | |
| 9804 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9805 Token::toChars(op)); | |
| 9806 } | |
| 9807 | |
| 9808 //if (e2->op != TOKnull) | |
| 9809 { | |
| 9810 e = op_overload(sc); | |
| 9811 if (e) | |
| 9812 { | |
| 9813 if (op == TOKnotequal) | |
| 9814 { | |
| 9815 e = new NotExp(e->loc, e); | |
| 9816 e = e->semantic(sc); | |
| 9817 } | |
| 9818 return e; | |
| 9819 } | |
| 9820 } | |
| 9821 | |
| 1587 | 9822 /* Disallow comparing T[]==T and T==T[] |
| 9823 */ | |
| 9824 if (e1->op == TOKslice && t1->ty == Tarray && e2->implicitConvTo(t1->nextOf()) || | |
| 9825 e2->op == TOKslice && t2->ty == Tarray && e1->implicitConvTo(t2->nextOf())) | |
| 9826 { | |
| 9827 incompatibleTypes(); | |
| 9828 return new ErrorExp(); | |
| 9829 } | |
| 9830 | |
| 159 | 9831 e = typeCombine(sc); |
| 9832 type = Type::tboolean; | |
| 9833 | |
| 9834 // Special handling for array comparisons | |
| 9835 t1 = e1->type->toBasetype(); | |
| 9836 t2 = e2->type->toBasetype(); | |
| 9837 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9838 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9839 { | |
| 9840 if (!t1->next->equals(t2->next)) | |
| 9841 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9842 } | |
| 9843 else | |
| 9844 { | |
| 9845 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9846 { | |
| 9847 // Cast both to complex | |
| 9848 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9849 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9850 } | |
| 9851 } | |
| 9852 return e; | |
| 9853 } | |
| 9854 | |
| 9855 int EqualExp::isBit() | |
| 9856 { | |
| 9857 return TRUE; | |
| 9858 } | |
| 9859 | |
| 9860 | |
| 9861 | |
| 9862 /************************************************************/ | |
| 9863 | |
| 9864 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9865 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9866 { | |
| 9867 } | |
| 9868 | |
| 9869 Expression *IdentityExp::semantic(Scope *sc) | |
| 9870 { | |
| 9871 if (type) | |
| 9872 return this; | |
| 9873 | |
| 9874 BinExp::semanticp(sc); | |
| 9875 type = Type::tboolean; | |
| 9876 typeCombine(sc); | |
| 9877 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9878 { | |
| 9879 // Cast both to complex | |
| 9880 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9881 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9882 } | |
| 9883 return this; | |
| 9884 } | |
| 9885 | |
| 9886 int IdentityExp::isBit() | |
| 9887 { | |
| 9888 return TRUE; | |
| 9889 } | |
| 9890 | |
| 9891 | |
| 9892 /****************************************************************/ | |
| 9893 | |
| 9894 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9895 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9896 { | |
| 9897 this->econd = econd; | |
| 9898 } | |
| 9899 | |
| 9900 Expression *CondExp::syntaxCopy() | |
| 9901 { | |
| 9902 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9903 } | |
| 9904 | |
| 9905 | |
| 9906 Expression *CondExp::semantic(Scope *sc) | |
| 9907 { Type *t1; | |
| 9908 Type *t2; | |
| 9909 unsigned cs0; | |
| 9910 unsigned cs1; | |
| 9911 | |
| 9912 #if LOGSEMANTIC | |
| 9913 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9914 #endif | |
| 9915 if (type) | |
| 9916 return this; | |
| 9917 | |
| 9918 econd = econd->semantic(sc); | |
| 9919 econd = resolveProperties(sc, econd); | |
| 9920 econd = econd->checkToPointer(); | |
| 9921 econd = econd->checkToBoolean(); | |
| 9922 | |
| 9923 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9924 * both contribute to the type of the result. | |
| 9925 */ | |
| 9926 if (sc->flags & SCOPEstaticif) | |
| 9927 { | |
| 9928 /* If in static if, don't evaluate what we don't have to. | |
| 9929 */ | |
| 9930 econd = econd->optimize(WANTflags); | |
| 9931 if (econd->isBool(TRUE)) | |
| 9932 { | |
| 9933 e1 = e1->semantic(sc); | |
| 9934 e1 = resolveProperties(sc, e1); | |
| 9935 return e1; | |
| 9936 } | |
| 9937 else if (econd->isBool(FALSE)) | |
| 9938 { | |
| 9939 e2 = e2->semantic(sc); | |
| 9940 e2 = resolveProperties(sc, e2); | |
| 9941 return e2; | |
| 9942 } | |
| 9943 } | |
| 9944 #endif | |
| 9945 | |
| 9946 | |
| 9947 cs0 = sc->callSuper; | |
| 9948 e1 = e1->semantic(sc); | |
| 9949 e1 = resolveProperties(sc, e1); | |
| 9950 cs1 = sc->callSuper; | |
| 9951 sc->callSuper = cs0; | |
| 9952 e2 = e2->semantic(sc); | |
| 9953 e2 = resolveProperties(sc, e2); | |
| 9954 sc->mergeCallSuper(loc, cs1); | |
| 9955 | |
| 9956 | |
| 9957 // If either operand is void, the result is void | |
| 9958 t1 = e1->type; | |
| 9959 t2 = e2->type; | |
| 9960 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9961 type = Type::tvoid; | |
| 9962 else if (t1 == t2) | |
| 9963 type = t1; | |
| 9964 else | |
| 9965 { | |
| 9966 typeCombine(sc); | |
| 9967 switch (e1->type->toBasetype()->ty) | |
| 9968 { | |
| 9969 case Tcomplex32: | |
| 9970 case Tcomplex64: | |
| 9971 case Tcomplex80: | |
| 9972 e2 = e2->castTo(sc, e1->type); | |
| 9973 break; | |
| 9974 } | |
| 9975 switch (e2->type->toBasetype()->ty) | |
| 9976 { | |
| 9977 case Tcomplex32: | |
| 9978 case Tcomplex64: | |
| 9979 case Tcomplex80: | |
| 9980 e1 = e1->castTo(sc, e2->type); | |
| 9981 break; | |
| 9982 } | |
| 9983 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9984 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9985 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9986 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9987 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9988 #endif |
| 159 | 9989 return this; |
| 9990 } | |
| 9991 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9992 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9993 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9994 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9995 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9996 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9997 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9998 |
| 159 | 9999 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 10000 { | |
| 10001 PtrExp *e; | |
| 10002 | |
| 10003 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 10004 e = new PtrExp(loc, this, type); | |
| 10005 | |
| 10006 e1 = e1->addressOf(sc); | |
| 10007 //e1 = e1->toLvalue(sc, NULL); | |
| 10008 | |
| 10009 e2 = e2->addressOf(sc); | |
| 10010 //e2 = e2->toLvalue(sc, NULL); | |
| 10011 | |
| 10012 typeCombine(sc); | |
| 10013 | |
| 10014 type = e2->type; | |
| 10015 return e; | |
| 10016 } | |
| 10017 | |
| 10018 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 10019 { | |
| 10020 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 10021 return this; | |
| 10022 } | |
| 10023 | |
| 10024 void CondExp::checkEscape() | |
| 10025 { | |
| 10026 e1->checkEscape(); | |
| 10027 e2->checkEscape(); | |
| 10028 } | |
| 10029 | |
|
1618
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10030 void CondExp::checkEscapeRef() |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10031 { |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10032 e1->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10033 e2->checkEscapeRef(); |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10034 } |
|
a87f1d6ff48e
Merge DMD r303: harmonize
Leandro Lucarella <llucax@gmail.com>
parents:
1616
diff
changeset
|
10035 |
| 159 | 10036 |
| 10037 Expression *CondExp::checkToBoolean() | |
| 10038 { | |
| 10039 e1 = e1->checkToBoolean(); | |
| 10040 e2 = e2->checkToBoolean(); | |
| 10041 return this; | |
| 10042 } | |
| 10043 | |
| 10044 int CondExp::checkSideEffect(int flag) | |
| 10045 { | |
| 10046 if (flag == 2) | |
| 10047 { | |
| 10048 return econd->checkSideEffect(2) || | |
| 10049 e1->checkSideEffect(2) || | |
| 10050 e2->checkSideEffect(2); | |
| 10051 } | |
| 10052 else | |
| 10053 { | |
| 10054 econd->checkSideEffect(1); | |
| 10055 e1->checkSideEffect(flag); | |
| 10056 return e2->checkSideEffect(flag); | |
| 10057 } | |
| 10058 } | |
| 10059 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10060 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10061 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10062 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10063 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10064 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10065 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
10066 |
| 159 | 10067 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 10068 { | |
| 10069 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 10070 buf->writestring(" ? "); | |
| 10071 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 10072 buf->writestring(" : "); | |
| 10073 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 10074 } | |
| 10075 | |
|
599
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10076 /************************************************************/ |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10077 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10078 #if IN_LLVM |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10079 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
10080 // Strictly LDC specific stuff |
|
599
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10081 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10082 GEPExp::GEPExp(Loc loc, Expression* e, Identifier* id, unsigned idx) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10083 : UnaExp(loc, TOKgep, sizeof(GEPExp), e) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10084 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10085 index = idx; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10086 ident = id; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10087 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10088 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10089 void GEPExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10090 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10091 expToCBuffer(buf, hgs, e1, PREC_primary); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10092 buf->writeByte('.'); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10093 buf->writestring(ident->toChars()); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
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10094 } |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10095 |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10096 Expression* GEPExp::toLvalue(Scope* sc, Expression* e) |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10097 { |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10098 // GEP's are always lvalues, at least in the "LLVM sense" ... |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10099 return this; |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10100 } |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10101 |
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4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
10102 #endif |