Mercurial > projects > ldc
annotate dmd/expression.c @ 884:a166ba5bdf2d
Automated merge with http://hg.dsource.org/projects/ldc
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Mon, 12 Jan 2009 07:51:39 +0100 |
| parents | 27a379f288bf |
| children | ea82e2077f9d |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2008 by Digital Mars | |
| 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> | |
| 14 #include <assert.h> | |
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15 #if _MSC_VER |
| 159 | 16 #include <complex> |
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17 #else |
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18 #endif |
| 159 | 19 #include <math.h> |
| 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 |
| 159 | 37 #if IN_GCC |
| 38 // Issues with using -include total.h (defines integer_t) and then complex.h fails... | |
| 39 #undef integer_t | |
| 40 #endif | |
| 41 | |
| 42 #ifdef __APPLE__ | |
| 43 #define integer_t dmd_integer_t | |
| 44 #endif | |
| 45 | |
| 46 #if IN_GCC || IN_LLVM | |
| 47 #include "mem.h" | |
| 48 #elif _WIN32 | |
| 49 #include "..\root\mem.h" | |
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50 #elif POSIX |
| 159 | 51 #include "../root/mem.h" |
| 52 #endif | |
| 53 | |
| 54 //#include "port.h" | |
| 55 #include "mtype.h" | |
| 56 #include "init.h" | |
| 57 #include "expression.h" | |
| 58 #include "template.h" | |
| 59 #include "utf.h" | |
| 60 #include "enum.h" | |
| 61 #include "scope.h" | |
| 62 #include "statement.h" | |
| 63 #include "declaration.h" | |
| 64 #include "aggregate.h" | |
| 65 #include "import.h" | |
| 66 #include "id.h" | |
| 67 #include "dsymbol.h" | |
| 68 #include "module.h" | |
| 69 #include "attrib.h" | |
| 70 #include "hdrgen.h" | |
| 71 #include "parse.h" | |
| 72 | |
| 73 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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74 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 75 |
| 76 #define LOGSEMANTIC 0 | |
| 77 | |
| 78 /********************************** | |
| 79 * Set operator precedence for each operator. | |
| 80 */ | |
| 81 | |
| 82 // Operator precedence - greater values are higher precedence | |
| 83 | |
| 84 enum PREC | |
| 85 { | |
| 86 PREC_zero, | |
| 87 PREC_expr, | |
| 88 PREC_assign, | |
| 89 PREC_cond, | |
| 90 PREC_oror, | |
| 91 PREC_andand, | |
| 92 PREC_or, | |
| 93 PREC_xor, | |
| 94 PREC_and, | |
| 95 PREC_equal, | |
| 96 PREC_rel, | |
| 97 PREC_shift, | |
| 98 PREC_add, | |
| 99 PREC_mul, | |
| 100 PREC_unary, | |
| 101 PREC_primary, | |
| 102 }; | |
| 103 | |
| 104 enum PREC precedence[TOKMAX]; | |
| 105 | |
| 106 void initPrecedence() | |
| 107 { | |
| 108 precedence[TOKdotvar] = PREC_primary; | |
| 109 precedence[TOKimport] = PREC_primary; | |
| 110 precedence[TOKidentifier] = PREC_primary; | |
| 111 precedence[TOKthis] = PREC_primary; | |
| 112 precedence[TOKsuper] = PREC_primary; | |
| 113 precedence[TOKint64] = PREC_primary; | |
| 114 precedence[TOKfloat64] = PREC_primary; | |
| 115 precedence[TOKnull] = PREC_primary; | |
| 116 precedence[TOKstring] = PREC_primary; | |
| 117 precedence[TOKarrayliteral] = PREC_primary; | |
| 118 precedence[TOKtypedot] = PREC_primary; | |
| 119 precedence[TOKtypeid] = PREC_primary; | |
| 120 precedence[TOKis] = PREC_primary; | |
| 121 precedence[TOKassert] = PREC_primary; | |
| 122 precedence[TOKfunction] = PREC_primary; | |
| 123 precedence[TOKvar] = PREC_primary; | |
| 336 | 124 #if DMDV2 |
| 125 precedence[TOKdefault] = PREC_primary; | |
| 126 #endif | |
| 159 | 127 |
| 128 // post | |
| 129 precedence[TOKdotti] = PREC_primary; | |
| 130 precedence[TOKdot] = PREC_primary; | |
| 131 // precedence[TOKarrow] = PREC_primary; | |
| 132 precedence[TOKplusplus] = PREC_primary; | |
| 133 precedence[TOKminusminus] = PREC_primary; | |
| 134 precedence[TOKcall] = PREC_primary; | |
| 135 precedence[TOKslice] = PREC_primary; | |
| 136 precedence[TOKarray] = PREC_primary; | |
| 137 | |
| 138 precedence[TOKaddress] = PREC_unary; | |
| 139 precedence[TOKstar] = PREC_unary; | |
| 140 precedence[TOKneg] = PREC_unary; | |
| 141 precedence[TOKuadd] = PREC_unary; | |
| 142 precedence[TOKnot] = PREC_unary; | |
| 143 precedence[TOKtobool] = PREC_add; | |
| 144 precedence[TOKtilde] = PREC_unary; | |
| 145 precedence[TOKdelete] = PREC_unary; | |
| 146 precedence[TOKnew] = PREC_unary; | |
| 147 precedence[TOKcast] = PREC_unary; | |
| 148 | |
| 149 precedence[TOKmul] = PREC_mul; | |
| 150 precedence[TOKdiv] = PREC_mul; | |
| 151 precedence[TOKmod] = PREC_mul; | |
| 152 | |
| 153 precedence[TOKadd] = PREC_add; | |
| 154 precedence[TOKmin] = PREC_add; | |
| 155 precedence[TOKcat] = PREC_add; | |
| 156 | |
| 157 precedence[TOKshl] = PREC_shift; | |
| 158 precedence[TOKshr] = PREC_shift; | |
| 159 precedence[TOKushr] = PREC_shift; | |
| 160 | |
| 161 precedence[TOKlt] = PREC_rel; | |
| 162 precedence[TOKle] = PREC_rel; | |
| 163 precedence[TOKgt] = PREC_rel; | |
| 164 precedence[TOKge] = PREC_rel; | |
| 165 precedence[TOKunord] = PREC_rel; | |
| 166 precedence[TOKlg] = PREC_rel; | |
| 167 precedence[TOKleg] = PREC_rel; | |
| 168 precedence[TOKule] = PREC_rel; | |
| 169 precedence[TOKul] = PREC_rel; | |
| 170 precedence[TOKuge] = PREC_rel; | |
| 171 precedence[TOKug] = PREC_rel; | |
| 172 precedence[TOKue] = PREC_rel; | |
| 173 precedence[TOKin] = PREC_rel; | |
| 174 | |
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175 #if 0 |
| 159 | 176 precedence[TOKequal] = PREC_equal; |
| 177 precedence[TOKnotequal] = PREC_equal; | |
| 178 precedence[TOKidentity] = PREC_equal; | |
| 179 precedence[TOKnotidentity] = PREC_equal; | |
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180 #else |
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181 /* Note that we changed precedence, so that < and != have the same |
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182 * precedence. This change is in the parser, too. |
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183 */ |
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184 precedence[TOKequal] = PREC_rel; |
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185 precedence[TOKnotequal] = PREC_rel; |
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186 precedence[TOKidentity] = PREC_rel; |
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187 precedence[TOKnotidentity] = PREC_rel; |
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188 #endif |
| 159 | 189 |
| 190 precedence[TOKand] = PREC_and; | |
| 191 | |
| 192 precedence[TOKxor] = PREC_xor; | |
| 193 | |
| 194 precedence[TOKor] = PREC_or; | |
| 195 | |
| 196 precedence[TOKandand] = PREC_andand; | |
| 197 | |
| 198 precedence[TOKoror] = PREC_oror; | |
| 199 | |
| 200 precedence[TOKquestion] = PREC_cond; | |
| 201 | |
| 202 precedence[TOKassign] = PREC_assign; | |
| 203 precedence[TOKconstruct] = PREC_assign; | |
| 204 precedence[TOKblit] = PREC_assign; | |
| 205 precedence[TOKaddass] = PREC_assign; | |
| 206 precedence[TOKminass] = PREC_assign; | |
| 207 precedence[TOKcatass] = PREC_assign; | |
| 208 precedence[TOKmulass] = PREC_assign; | |
| 209 precedence[TOKdivass] = PREC_assign; | |
| 210 precedence[TOKmodass] = PREC_assign; | |
| 211 precedence[TOKshlass] = PREC_assign; | |
| 212 precedence[TOKshrass] = PREC_assign; | |
| 213 precedence[TOKushrass] = PREC_assign; | |
| 214 precedence[TOKandass] = PREC_assign; | |
| 215 precedence[TOKorass] = PREC_assign; | |
| 216 precedence[TOKxorass] = PREC_assign; | |
| 217 | |
| 218 precedence[TOKcomma] = PREC_expr; | |
| 219 } | |
| 220 | |
| 336 | 221 /************************************************************* |
| 222 * Given var, we need to get the | |
| 223 * right 'this' pointer if var is in an outer class, but our | |
| 224 * existing 'this' pointer is in an inner class. | |
| 225 * Input: | |
| 226 * e1 existing 'this' | |
| 227 * ad struct or class we need the correct 'this' for | |
| 228 * var the specific member of ad we're accessing | |
| 229 */ | |
| 230 | |
| 231 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 232 Expression *e1, Declaration *var) | |
| 233 { | |
| 234 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 235 L1: | |
| 236 Type *t = e1->type->toBasetype(); | |
| 237 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 238 | |
| 239 /* If e1 is not the 'this' pointer for ad | |
| 240 */ | |
| 241 if (ad && | |
| 242 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 243 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 244 && | |
| 245 !(t->ty == Tstruct && | |
| 246 ((TypeStruct *)t)->sym == ad) | |
| 247 ) | |
| 248 { | |
| 249 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 250 ClassDeclaration *tcd = t->isClassHandle(); | |
| 251 | |
| 252 /* e1 is the right this if ad is a base class of e1 | |
| 253 */ | |
| 254 if (!cd || !tcd || | |
| 255 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 256 ) | |
| 257 { | |
| 258 /* Only classes can be inner classes with an 'outer' | |
| 259 * member pointing to the enclosing class instance | |
| 260 */ | |
| 261 if (tcd && tcd->isNested()) | |
| 262 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 263 * Rewrite it as the 'this' pointer for the outer class. | |
| 264 */ | |
| 265 | |
| 266 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 267 e1->type = tcd->vthis->type; | |
| 268 // Do not call checkNestedRef() | |
| 269 //e1 = e1->semantic(sc); | |
| 270 | |
| 271 // Skip up over nested functions, and get the enclosing | |
| 272 // class type. | |
| 273 int n = 0; | |
| 274 Dsymbol *s; | |
| 275 for (s = tcd->toParent(); | |
| 276 s && s->isFuncDeclaration(); | |
| 277 s = s->toParent()) | |
| 278 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 279 if (f->vthis) | |
| 280 { | |
| 281 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 282 n++; | |
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283 |
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284 // LDC seems dmd misses it sometimes here :/ |
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285 f->vthis->nestedref = 1; |
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286 |
| 336 | 287 e1 = new VarExp(loc, f->vthis); |
| 288 } | |
| 289 } | |
| 290 if (s && s->isClassDeclaration()) | |
| 291 { e1->type = s->isClassDeclaration()->type; | |
| 292 if (n > 1) | |
| 293 e1 = e1->semantic(sc); | |
| 294 } | |
| 295 else | |
| 296 e1 = e1->semantic(sc); | |
| 297 goto L1; | |
| 298 } | |
| 299 /* Can't find a path from e1 to ad | |
| 300 */ | |
| 301 e1->error("this for %s needs to be type %s not type %s", | |
| 302 var->toChars(), ad->toChars(), t->toChars()); | |
| 303 } | |
| 304 } | |
| 305 return e1; | |
| 306 } | |
| 307 | |
| 159 | 308 /***************************************** |
| 309 * Determine if 'this' is available. | |
| 310 * If it is, return the FuncDeclaration that has it. | |
| 311 */ | |
| 312 | |
| 313 FuncDeclaration *hasThis(Scope *sc) | |
| 314 { FuncDeclaration *fd; | |
| 315 FuncDeclaration *fdthis; | |
| 316 | |
| 317 //printf("hasThis()\n"); | |
| 318 fdthis = sc->parent->isFuncDeclaration(); | |
| 319 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 320 | |
| 321 // Go upwards until we find the enclosing member function | |
| 322 fd = fdthis; | |
| 323 while (1) | |
| 324 { | |
| 325 if (!fd) | |
| 326 { | |
| 327 goto Lno; | |
| 328 } | |
| 329 if (!fd->isNested()) | |
| 330 break; | |
| 331 | |
| 332 Dsymbol *parent = fd->parent; | |
| 333 while (parent) | |
| 334 { | |
| 335 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 336 if (ti) | |
| 337 parent = ti->parent; | |
| 338 else | |
| 339 break; | |
| 340 } | |
| 341 | |
| 342 fd = fd->parent->isFuncDeclaration(); | |
| 343 } | |
| 344 | |
| 345 if (!fd->isThis()) | |
| 346 { //printf("test '%s'\n", fd->toChars()); | |
| 347 goto Lno; | |
| 348 } | |
| 349 | |
| 350 assert(fd->vthis); | |
| 351 return fd; | |
| 352 | |
| 353 Lno: | |
| 354 return NULL; // don't have 'this' available | |
| 355 } | |
| 356 | |
| 357 | |
| 358 /*************************************** | |
| 359 * Pull out any properties. | |
| 360 */ | |
| 361 | |
| 362 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 363 { | |
| 364 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 365 if (e->type) | |
| 366 { | |
| 367 Type *t = e->type->toBasetype(); | |
| 368 | |
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369 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 370 { |
| 371 e = new CallExp(e->loc, e); | |
| 372 e = e->semantic(sc); | |
| 373 } | |
| 374 | |
| 375 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 376 */ | |
| 377 else if (e->op == TOKvar) | |
| 378 { VarExp *ve = (VarExp *)e; | |
| 379 | |
| 380 if (ve->var->storage_class & STClazy) | |
| 381 { | |
| 382 e = new CallExp(e->loc, e); | |
| 383 e = e->semantic(sc); | |
| 384 } | |
| 385 } | |
| 386 | |
| 387 else if (e->op == TOKdotexp) | |
| 388 { | |
| 389 e->error("expression has no value"); | |
| 390 } | |
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391 |
| 159 | 392 } |
| 393 return e; | |
| 394 } | |
| 395 | |
| 396 /****************************** | |
| 397 * Perform semantic() on an array of Expressions. | |
| 398 */ | |
| 399 | |
| 400 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 401 { | |
| 402 if (exps) | |
| 403 { | |
| 404 for (size_t i = 0; i < exps->dim; i++) | |
| 405 { Expression *e = (Expression *)exps->data[i]; | |
| 406 | |
| 407 e = e->semantic(sc); | |
| 408 exps->data[i] = (void *)e; | |
| 409 } | |
| 410 } | |
| 411 } | |
| 412 | |
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413 |
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414 /****************************** |
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415 * Perform canThrow() on an array of Expressions. |
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416 */ |
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417 |
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418 #if DMDV2 |
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419 int arrayExpressionCanThrow(Expressions *exps) |
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420 { |
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421 if (exps) |
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422 { |
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423 for (size_t i = 0; i < exps->dim; i++) |
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424 { Expression *e = (Expression *)exps->data[i]; |
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425 if (e && e->canThrow()) |
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426 return 1; |
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427 } |
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428 } |
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429 return 0; |
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430 } |
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431 #endif |
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432 |
| 159 | 433 /**************************************** |
| 434 * Expand tuples. | |
| 435 */ | |
| 436 | |
| 437 void expandTuples(Expressions *exps) | |
| 438 { | |
| 439 //printf("expandTuples()\n"); | |
| 440 if (exps) | |
| 441 { | |
| 442 for (size_t i = 0; i < exps->dim; i++) | |
| 443 { Expression *arg = (Expression *)exps->data[i]; | |
| 444 if (!arg) | |
| 445 continue; | |
| 446 | |
| 447 // Look for tuple with 0 members | |
| 448 if (arg->op == TOKtype) | |
| 449 { TypeExp *e = (TypeExp *)arg; | |
| 450 if (e->type->toBasetype()->ty == Ttuple) | |
| 451 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 452 | |
| 453 if (!tt->arguments || tt->arguments->dim == 0) | |
| 454 { | |
| 455 exps->remove(i); | |
| 456 if (i == exps->dim) | |
| 457 return; | |
| 458 i--; | |
| 459 continue; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 // Inline expand all the tuples | |
| 465 while (arg->op == TOKtuple) | |
| 466 { TupleExp *te = (TupleExp *)arg; | |
| 467 | |
| 468 exps->remove(i); // remove arg | |
| 469 exps->insert(i, te->exps); // replace with tuple contents | |
| 470 if (i == exps->dim) | |
| 471 return; // empty tuple, no more arguments | |
| 472 arg = (Expression *)exps->data[i]; | |
| 473 } | |
| 474 } | |
| 475 } | |
| 476 } | |
| 477 | |
| 478 /**************************************** | |
| 479 * Preprocess arguments to function. | |
| 480 */ | |
| 481 | |
| 482 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 483 { | |
| 484 if (exps) | |
| 485 { | |
| 486 expandTuples(exps); | |
| 487 | |
| 488 for (size_t i = 0; i < exps->dim; i++) | |
| 489 { Expression *arg = (Expression *)exps->data[i]; | |
| 490 | |
| 491 if (!arg->type) | |
| 492 { | |
| 493 #ifdef DEBUG | |
| 494 if (!global.gag) | |
| 495 printf("1: \n"); | |
| 496 #endif | |
| 497 arg->error("%s is not an expression", arg->toChars()); | |
| 498 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 499 } | |
| 500 | |
| 501 arg = resolveProperties(sc, arg); | |
| 502 exps->data[i] = (void *) arg; | |
| 503 | |
| 504 //arg->rvalue(); | |
| 505 #if 0 | |
| 506 if (arg->type->ty == Tfunction) | |
| 507 { | |
| 508 arg = new AddrExp(arg->loc, arg); | |
| 509 arg = arg->semantic(sc); | |
| 510 exps->data[i] = (void *) arg; | |
| 511 } | |
| 512 #endif | |
| 513 } | |
| 514 } | |
| 515 } | |
| 516 | |
| 336 | 517 /********************************************* |
| 518 * Call copy constructor for struct value argument. | |
| 519 */ | |
| 520 #if DMDV2 | |
| 521 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 522 { | |
| 523 Type *tb = e->type->toBasetype(); | |
| 524 assert(tb->ty == Tstruct); | |
| 525 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 526 if (sd->cpctor) | |
| 527 { | |
| 528 /* Create a variable tmp, and replace the argument e with: | |
| 529 * (tmp = e),tmp | |
| 530 * and let AssignExp() handle the construction. | |
| 531 * This is not the most efficent, ideally tmp would be constructed | |
| 532 * directly onto the stack. | |
| 533 */ | |
| 534 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 535 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 536 Expression *ae = new DeclarationExp(loc, tmp); | |
| 537 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 538 e = e->semantic(sc); | |
| 539 } | |
| 540 return e; | |
| 541 } | |
| 542 #endif | |
| 159 | 543 |
| 544 /**************************************** | |
| 545 * Now that we know the exact type of the function we're calling, | |
| 546 * the arguments[] need to be adjusted: | |
|
510
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547 * 1. implicitly convert argument to the corresponding parameter type |
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548 * 2. add default arguments for any missing arguments |
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549 * 3. do default promotions on arguments corresponding to ... |
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550 * 4. add hidden _arguments[] argument |
| 159 | 551 */ |
| 552 | |
| 553 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 554 { | |
| 555 unsigned n; | |
| 556 | |
| 557 //printf("functionArguments()\n"); | |
| 558 assert(arguments); | |
| 559 size_t nargs = arguments ? arguments->dim : 0; | |
| 560 size_t nparams = Argument::dim(tf->parameters); | |
| 561 | |
| 562 if (nargs > nparams && tf->varargs == 0) | |
|
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563 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 564 |
| 565 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 566 | |
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567 int done = 0; |
| 159 | 568 for (size_t i = 0; i < n; i++) |
| 569 { | |
| 570 Expression *arg; | |
| 571 | |
| 572 if (i < nargs) | |
| 573 arg = (Expression *)arguments->data[i]; | |
| 574 else | |
| 575 arg = NULL; | |
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576 Type *tb; |
| 159 | 577 |
| 578 if (i < nparams) | |
| 579 { | |
| 580 Argument *p = Argument::getNth(tf->parameters, i); | |
| 581 | |
| 582 if (!arg) | |
| 583 { | |
| 584 if (!p->defaultArg) | |
| 585 { | |
| 586 if (tf->varargs == 2 && i + 1 == nparams) | |
| 587 goto L2; | |
|
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588 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 589 break; |
| 590 } | |
| 336 | 591 arg = p->defaultArg; |
| 592 #if DMDV2 | |
| 593 if (arg->op == TOKdefault) | |
| 594 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 595 arg = de->resolve(loc, sc); | |
| 596 } | |
| 597 else | |
| 598 #endif | |
| 599 arg = arg->copy(); | |
| 159 | 600 arguments->push(arg); |
| 601 nargs++; | |
| 602 } | |
| 603 | |
| 604 if (tf->varargs == 2 && i + 1 == nparams) | |
| 605 { | |
| 606 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 607 if (arg->implicitConvTo(p->type)) | |
| 608 { | |
| 609 if (nargs != nparams) | |
|
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610 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 611 goto L1; |
| 612 } | |
| 613 L2: | |
| 614 Type *tb = p->type->toBasetype(); | |
| 615 Type *tret = p->isLazyArray(); | |
| 616 switch (tb->ty) | |
| 617 { | |
| 618 case Tsarray: | |
| 619 case Tarray: | |
| 620 { // Create a static array variable v of type arg->type | |
| 621 #ifdef IN_GCC | |
| 622 /* GCC 4.0 does not like zero length arrays used like | |
| 623 this; pass a null array value instead. Could also | |
| 624 just make a one-element array. */ | |
| 625 if (nargs - i == 0) | |
| 626 { | |
| 627 arg = new NullExp(loc); | |
| 628 break; | |
| 629 } | |
| 630 #endif | |
|
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631 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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632 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 633 t = t->semantic(loc, sc); |
| 634 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 635 v->semantic(sc); | |
| 636 v->parent = sc->parent; | |
| 637 //sc->insert(v); | |
| 638 | |
| 639 Expression *c = new DeclarationExp(0, v); | |
| 640 c->type = v->type; | |
| 641 | |
| 642 for (size_t u = i; u < nargs; u++) | |
| 643 { Expression *a = (Expression *)arguments->data[u]; | |
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644 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 645 a = a->toDelegate(sc, tret); |
| 646 | |
| 647 Expression *e = new VarExp(loc, v); | |
| 648 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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649 AssignExp *ae = new AssignExp(loc, e, a); |
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650 #if DMDV2 |
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651 ae->op = TOKconstruct; |
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652 #endif |
| 159 | 653 if (c) |
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654 c = new CommaExp(loc, c, ae); |
| 159 | 655 else |
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656 c = ae; |
| 159 | 657 } |
| 658 arg = new VarExp(loc, v); | |
| 659 if (c) | |
| 660 arg = new CommaExp(loc, c, arg); | |
| 661 break; | |
| 662 } | |
| 663 case Tclass: | |
| 664 { /* Set arg to be: | |
| 665 * new Tclass(arg0, arg1, ..., argn) | |
| 666 */ | |
| 667 Expressions *args = new Expressions(); | |
| 668 args->setDim(nargs - i); | |
| 669 for (size_t u = i; u < nargs; u++) | |
| 670 args->data[u - i] = arguments->data[u]; | |
| 671 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 672 break; | |
| 673 } | |
| 674 default: | |
| 675 if (!arg) | |
| 676 { error(loc, "not enough arguments"); | |
| 677 return; | |
| 678 } | |
| 679 break; | |
| 680 } | |
| 681 arg = arg->semantic(sc); | |
| 682 //printf("\targ = '%s'\n", arg->toChars()); | |
| 683 arguments->setDim(i + 1); | |
| 684 done = 1; | |
| 685 } | |
| 686 | |
| 687 L1: | |
| 688 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 689 arg = arg->implicitCastTo(sc, p->type); | |
| 690 if (p->storageClass & (STCout | STCref)) | |
| 691 { | |
| 692 // BUG: should check that argument to ref is type 'invariant' | |
| 693 // BUG: assignments to ref should also be type 'invariant' | |
| 694 arg = arg->modifiableLvalue(sc, arg); | |
| 695 | |
| 696 //if (arg->op == TOKslice) | |
| 697 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 698 } | |
| 699 | |
|
723
55f6c2e454d7
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|
700 // LDC we don't want this! |
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|
701 #if !IN_LLVM |
| 159 | 702 // Convert static arrays to pointers |
| 703 tb = arg->type->toBasetype(); | |
| 704 if (tb->ty == Tsarray) | |
| 705 { | |
| 706 arg = arg->checkToPointer(); | |
| 707 } | |
|
723
55f6c2e454d7
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708 #endif |
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709 |
|
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710 #if DMDV2 |
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711 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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712 { |
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713 arg = callCpCtor(loc, sc, arg); |
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714 } |
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715 #endif |
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716 |
| 159 | 717 |
| 718 // Convert lazy argument to a delegate | |
| 719 if (p->storageClass & STClazy) | |
| 720 { | |
| 721 arg = arg->toDelegate(sc, p->type); | |
| 722 } | |
|
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723 #if DMDV2 |
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724 /* Look for arguments that cannot 'escape' from the called |
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725 * function. |
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726 */ |
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727 if (!tf->parameterEscapes(p)) |
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728 { |
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729 /* Function literals can only appear once, so if this |
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730 * appearance was scoped, there cannot be any others. |
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731 */ |
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732 if (arg->op == TOKfunction) |
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733 { FuncExp *fe = (FuncExp *)arg; |
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|
734 fe->fd->tookAddressOf = 0; |
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735 } |
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736 |
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|
737 /* For passing a delegate to a scoped parameter, |
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738 * this doesn't count as taking the address of it. |
|
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|
739 * We only worry about 'escaping' references to the function. |
|
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740 */ |
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741 else if (arg->op == TOKdelegate) |
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742 { DelegateExp *de = (DelegateExp *)arg; |
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743 if (de->e1->op == TOKvar) |
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744 { VarExp *ve = (VarExp *)de->e1; |
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745 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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746 if (f) |
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747 { f->tookAddressOf--; |
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748 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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749 } |
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750 } |
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751 } |
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752 } |
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753 #endif |
| 159 | 754 } |
| 755 else | |
| 756 { | |
| 757 | |
| 758 // If not D linkage, do promotions | |
|
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759 // LDC: don't do promotions on intrinsics |
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760 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 761 { |
| 762 // Promote bytes, words, etc., to ints | |
| 763 arg = arg->integralPromotions(sc); | |
| 764 | |
| 765 // Promote floats to doubles | |
| 766 switch (arg->type->ty) | |
| 767 { | |
| 768 case Tfloat32: | |
| 769 arg = arg->castTo(sc, Type::tfloat64); | |
| 770 break; | |
| 771 | |
| 772 case Timaginary32: | |
| 773 arg = arg->castTo(sc, Type::timaginary64); | |
| 774 break; | |
| 775 } | |
| 776 } | |
| 777 | |
| 778 // Convert static arrays to dynamic arrays | |
| 779 tb = arg->type->toBasetype(); | |
| 780 if (tb->ty == Tsarray) | |
| 781 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 782 Type *ta = ts->next->arrayOf(); |
| 159 | 783 if (ts->size(arg->loc) == 0) |
| 784 { arg = new NullExp(arg->loc); | |
| 785 arg->type = ta; | |
| 786 } | |
| 787 else | |
| 788 arg = arg->castTo(sc, ta); | |
| 789 } | |
| 336 | 790 #if DMDV2 |
| 791 if (tb->ty == Tstruct) | |
| 792 { | |
| 793 arg = callCpCtor(loc, sc, arg); | |
| 794 } | |
| 795 | |
| 796 // Give error for overloaded function addresses | |
| 797 if (arg->op == TOKsymoff) | |
| 798 { SymOffExp *se = (SymOffExp *)arg; | |
| 799 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 800 arg->error("function %s is overloaded", arg->toChars()); | |
| 801 } | |
| 802 #endif | |
| 159 | 803 arg->rvalue(); |
| 804 } | |
| 805 arg = arg->optimize(WANTvalue); | |
| 806 arguments->data[i] = (void *) arg; | |
| 807 if (done) | |
| 808 break; | |
| 809 } | |
| 810 | |
| 811 #if !IN_LLVM | |
| 812 // If D linkage and variadic, add _arguments[] as first argument | |
| 813 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 814 { | |
| 815 Expression *e; | |
| 816 | |
| 817 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 818 arguments->dim - nparams); | |
| 819 arguments->insert(0, e); | |
| 820 } | |
| 821 #endif | |
| 822 } | |
| 823 | |
| 824 /************************************************** | |
| 825 * Write expression out to buf, but wrap it | |
| 826 * in ( ) if its precedence is less than pr. | |
| 827 */ | |
| 828 | |
| 829 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 830 { | |
| 336 | 831 //if (precedence[e->op] == 0) e->dump(0); |
|
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832 if (precedence[e->op] < pr || |
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833 /* Despite precedence, we don't allow a<b<c expressions. |
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834 * They must be parenthesized. |
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835 */ |
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836 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 837 { |
| 838 buf->writeByte('('); | |
| 839 e->toCBuffer(buf, hgs); | |
| 840 buf->writeByte(')'); | |
| 841 } | |
| 842 else | |
| 843 e->toCBuffer(buf, hgs); | |
| 844 } | |
| 845 | |
| 846 /************************************************** | |
| 847 * Write out argument list to buf. | |
| 848 */ | |
| 849 | |
| 850 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 851 { | |
| 852 if (arguments) | |
| 853 { | |
| 854 for (size_t i = 0; i < arguments->dim; i++) | |
| 855 { Expression *arg = (Expression *)arguments->data[i]; | |
| 856 | |
| 857 if (arg) | |
| 858 { if (i) | |
| 859 buf->writeByte(','); | |
| 860 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 861 } | |
| 862 } | |
| 863 } | |
| 864 } | |
| 865 | |
| 866 /************************************************** | |
| 867 * Write out argument types to buf. | |
| 868 */ | |
| 869 | |
| 870 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 871 { | |
| 872 if (arguments) | |
| 873 { OutBuffer argbuf; | |
| 874 | |
| 875 for (size_t i = 0; i < arguments->dim; i++) | |
| 876 { Expression *arg = (Expression *)arguments->data[i]; | |
| 877 | |
| 878 if (i) | |
| 879 buf->writeByte(','); | |
| 880 argbuf.reset(); | |
| 881 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 882 buf->write(&argbuf); | |
| 883 } | |
| 884 } | |
| 885 } | |
| 886 | |
| 887 /******************************** Expression **************************/ | |
| 888 | |
| 889 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 890 : loc(loc) | |
| 891 { | |
|
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892 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 893 this->loc = loc; |
| 894 this->op = op; | |
| 895 this->size = size; | |
| 896 type = NULL; | |
| 897 } | |
| 898 | |
| 899 Expression *Expression::syntaxCopy() | |
| 900 { | |
| 901 //printf("Expression::syntaxCopy()\n"); | |
| 902 //dump(0); | |
| 903 return copy(); | |
| 904 } | |
| 905 | |
| 906 /********************************* | |
| 907 * Does *not* do a deep copy. | |
| 908 */ | |
| 909 | |
| 910 Expression *Expression::copy() | |
| 911 { | |
| 912 Expression *e; | |
| 913 if (!size) | |
| 914 { | |
| 915 #ifdef DEBUG | |
| 916 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 917 printf("op = %d\n", op); | |
| 918 dump(0); | |
| 919 #endif | |
| 920 assert(0); | |
| 921 } | |
| 922 e = (Expression *)mem.malloc(size); | |
|
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923 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 924 return (Expression *)memcpy(e, this, size); |
| 925 } | |
| 926 | |
| 927 /************************** | |
| 928 * Semantically analyze Expression. | |
| 929 * Determine types, fold constants, etc. | |
| 930 */ | |
| 931 | |
| 932 Expression *Expression::semantic(Scope *sc) | |
| 933 { | |
| 934 #if LOGSEMANTIC | |
| 336 | 935 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 936 #endif |
| 937 if (type) | |
| 938 type = type->semantic(loc, sc); | |
| 939 else | |
| 940 type = Type::tvoid; | |
| 941 return this; | |
| 942 } | |
| 943 | |
| 944 void Expression::print() | |
| 945 { | |
| 946 fprintf(stdmsg, "%s\n", toChars()); | |
| 947 fflush(stdmsg); | |
| 948 } | |
| 949 | |
| 950 char *Expression::toChars() | |
| 951 { OutBuffer *buf; | |
| 952 HdrGenState hgs; | |
| 953 | |
| 954 memset(&hgs, 0, sizeof(hgs)); | |
| 955 buf = new OutBuffer(); | |
| 956 toCBuffer(buf, &hgs); | |
| 957 return buf->toChars(); | |
| 958 } | |
| 959 | |
| 960 void Expression::error(const char *format, ...) | |
| 961 { | |
| 962 va_list ap; | |
| 963 va_start(ap, format); | |
| 964 ::verror(loc, format, ap); | |
| 965 va_end( ap ); | |
| 966 } | |
| 967 | |
| 968 void Expression::rvalue() | |
| 969 { | |
| 970 if (type && type->toBasetype()->ty == Tvoid) | |
| 971 { error("expression %s is void and has no value", toChars()); | |
| 972 #if 0 | |
| 973 dump(0); | |
| 974 halt(); | |
| 975 #endif | |
| 336 | 976 type = Type::tint32; |
| 159 | 977 } |
| 978 } | |
| 979 | |
| 980 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 981 { | |
| 982 if (e1) | |
| 983 { | |
| 984 if (e2) | |
| 985 { | |
| 986 e1 = new CommaExp(e1->loc, e1, e2); | |
| 987 e1->type = e2->type; | |
| 988 } | |
| 989 } | |
| 990 else | |
| 991 e1 = e2; | |
| 992 return e1; | |
| 993 } | |
| 994 | |
| 995 integer_t Expression::toInteger() | |
| 996 { | |
| 997 //printf("Expression %s\n", Token::toChars(op)); | |
| 998 error("Integer constant expression expected instead of %s", toChars()); | |
| 999 return 0; | |
| 1000 } | |
| 1001 | |
| 1002 uinteger_t Expression::toUInteger() | |
| 1003 { | |
| 1004 //printf("Expression %s\n", Token::toChars(op)); | |
| 1005 return (uinteger_t)toInteger(); | |
| 1006 } | |
| 1007 | |
| 1008 real_t Expression::toReal() | |
| 1009 { | |
| 1010 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1011 return 0; | |
| 1012 } | |
| 1013 | |
| 1014 real_t Expression::toImaginary() | |
| 1015 { | |
| 1016 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1017 return 0; | |
| 1018 } | |
| 1019 | |
| 1020 complex_t Expression::toComplex() | |
| 1021 { | |
| 1022 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1023 #ifdef IN_GCC | |
| 1024 return complex_t(real_t(0)); // %% nicer | |
| 1025 #else | |
| 1026 return 0; | |
| 1027 #endif | |
| 1028 } | |
| 1029 | |
| 1030 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1031 { | |
| 1032 buf->writestring(Token::toChars(op)); | |
| 1033 } | |
| 1034 | |
| 1035 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1036 { | |
| 1037 error("expression %s is not a valid template value argument", toChars()); | |
| 1038 } | |
| 1039 | |
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1040 /*************************************** |
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1041 * Return !=0 if expression is an lvalue. |
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1042 */ |
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1043 #if DMDV2 |
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1044 int Expression::isLvalue() |
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1045 { |
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1046 return 0; |
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1047 } |
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1048 #endif |
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1049 |
| 159 | 1050 /******************************* |
| 1051 * Give error if we're not an lvalue. | |
| 1052 * If we can, convert expression to be an lvalue. | |
| 1053 */ | |
| 1054 | |
| 1055 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1056 { | |
| 1057 if (!e) | |
| 1058 e = this; | |
| 1059 else if (!loc.filename) | |
| 1060 loc = e->loc; | |
| 1061 error("%s is not an lvalue", e->toChars()); | |
| 1062 return this; | |
| 1063 } | |
| 1064 | |
| 1065 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1066 { | |
|
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1067 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1068 |
| 159 | 1069 // See if this expression is a modifiable lvalue (i.e. not const) |
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1070 #if DMDV2 |
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1071 if (type && (!type->isMutable() || !type->isAssignable())) |
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1072 error("%s is not mutable", e->toChars()); |
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1073 #endif |
| 159 | 1074 return toLvalue(sc, e); |
| 1075 } | |
| 1076 | |
| 1077 /************************************ | |
| 1078 * Detect cases where pointers to the stack can 'escape' the | |
| 1079 * lifetime of the stack frame. | |
| 1080 */ | |
| 1081 | |
| 1082 void Expression::checkEscape() | |
| 1083 { | |
| 1084 } | |
| 1085 | |
| 1086 void Expression::checkScalar() | |
| 1087 { | |
| 1088 if (!type->isscalar()) | |
| 1089 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1090 } | |
| 1091 | |
| 1092 void Expression::checkNoBool() | |
| 1093 { | |
| 1094 if (type->toBasetype()->ty == Tbool) | |
| 1095 error("operation not allowed on bool '%s'", toChars()); | |
| 1096 } | |
| 1097 | |
| 1098 Expression *Expression::checkIntegral() | |
| 1099 { | |
| 1100 if (!type->isintegral()) | |
| 1101 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1102 return new IntegerExp(0); | |
| 1103 } | |
| 1104 return this; | |
| 1105 } | |
| 1106 | |
| 1107 Expression *Expression::checkArithmetic() | |
| 1108 { | |
| 1109 if (!type->isintegral() && !type->isfloating()) | |
| 1110 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1111 return new IntegerExp(0); | |
| 1112 } | |
| 1113 return this; | |
| 1114 } | |
| 1115 | |
| 1116 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1117 { | |
| 1118 s->checkDeprecated(loc, sc); | |
| 1119 } | |
| 1120 | |
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1121 #if DMDV2 |
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1122 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1123 { |
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1124 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1125 error("pure function '%s' cannot call impure function '%s'\n", |
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1126 sc->func->toChars(), f->toChars()); |
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1127 } |
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1128 #endif |
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1129 |
| 159 | 1130 /******************************** |
| 1131 * Check for expressions that have no use. | |
| 1132 * Input: | |
| 1133 * flag 0 not going to use the result, so issue error message if no | |
| 1134 * side effects | |
| 1135 * 1 the result of the expression is used, but still check | |
| 1136 * for useless subexpressions | |
| 1137 * 2 do not issue error messages, just return !=0 if expression | |
| 1138 * has side effects | |
| 1139 */ | |
| 1140 | |
| 1141 int Expression::checkSideEffect(int flag) | |
| 1142 { | |
| 1143 if (flag == 0) | |
| 1144 { if (op == TOKimport) | |
| 1145 { | |
| 1146 error("%s has no effect", toChars()); | |
| 1147 } | |
| 1148 else | |
| 1149 error("%s has no effect in expression (%s)", | |
| 1150 Token::toChars(op), toChars()); | |
| 1151 } | |
| 1152 return 0; | |
| 1153 } | |
| 1154 | |
| 1155 /***************************** | |
| 1156 * Check that expression can be tested for true or false. | |
| 1157 */ | |
| 1158 | |
| 1159 Expression *Expression::checkToBoolean() | |
| 1160 { | |
| 1161 // Default is 'yes' - do nothing | |
| 1162 | |
| 1163 #ifdef DEBUG | |
| 1164 if (!type) | |
| 1165 dump(0); | |
| 1166 #endif | |
| 1167 | |
| 1168 if (!type->checkBoolean()) | |
| 1169 { | |
| 1170 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1171 } | |
| 1172 return this; | |
| 1173 } | |
| 1174 | |
| 1175 /**************************** | |
| 1176 */ | |
| 1177 | |
| 1178 Expression *Expression::checkToPointer() | |
| 1179 { | |
| 1180 Expression *e; | |
| 1181 Type *tb; | |
| 1182 | |
| 1183 //printf("Expression::checkToPointer()\n"); | |
| 1184 e = this; | |
| 1185 | |
| 1186 // If C static array, convert to pointer | |
| 1187 tb = type->toBasetype(); | |
| 1188 if (tb->ty == Tsarray) | |
| 1189 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1190 if (ts->size(loc) == 0) | |
| 1191 e = new NullExp(loc); | |
| 1192 else | |
| 1193 e = new AddrExp(loc, this); | |
| 336 | 1194 e->type = ts->next->pointerTo(); |
| 159 | 1195 } |
| 1196 return e; | |
| 1197 } | |
| 1198 | |
| 1199 /****************************** | |
| 1200 * Take address of expression. | |
| 1201 */ | |
| 1202 | |
| 1203 Expression *Expression::addressOf(Scope *sc) | |
| 1204 { | |
| 1205 Expression *e; | |
| 1206 | |
| 1207 //printf("Expression::addressOf()\n"); | |
| 1208 e = toLvalue(sc, NULL); | |
| 1209 e = new AddrExp(loc, e); | |
| 1210 e->type = type->pointerTo(); | |
| 1211 return e; | |
| 1212 } | |
| 1213 | |
| 1214 /****************************** | |
| 1215 * If this is a reference, dereference it. | |
| 1216 */ | |
| 1217 | |
| 1218 Expression *Expression::deref() | |
| 1219 { | |
| 1220 //printf("Expression::deref()\n"); | |
| 1221 if (type->ty == Treference) | |
| 1222 { Expression *e; | |
| 1223 | |
| 1224 e = new PtrExp(loc, this); | |
| 336 | 1225 e->type = ((TypeReference *)type)->next; |
| 159 | 1226 return e; |
| 1227 } | |
| 1228 return this; | |
| 1229 } | |
| 1230 | |
| 1231 /******************************** | |
| 1232 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1233 */ | |
| 1234 | |
| 1235 int Expression::isBool(int result) | |
| 1236 { | |
| 1237 return FALSE; | |
| 1238 } | |
| 1239 | |
| 1240 /******************************** | |
| 1241 * Does this expression result in either a 1 or a 0? | |
| 1242 */ | |
| 1243 | |
| 1244 int Expression::isBit() | |
| 1245 { | |
| 1246 return FALSE; | |
| 1247 } | |
| 1248 | |
| 336 | 1249 /******************************** |
| 1250 * Can this expression throw an exception? | |
| 1251 * Valid only after semantic() pass. | |
| 1252 */ | |
| 1253 | |
| 1254 int Expression::canThrow() | |
| 1255 { | |
|
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1256 #if DMDV2 |
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1257 return FALSE; |
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1258 #else |
| 336 | 1259 return TRUE; |
|
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1260 #endif |
| 336 | 1261 } |
| 1262 | |
| 1263 | |
| 1264 | |
| 159 | 1265 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1266 { Expressions *a = NULL; | |
| 1267 | |
| 1268 if (exps) | |
| 1269 { | |
| 1270 a = new Expressions(); | |
| 1271 a->setDim(exps->dim); | |
| 1272 for (int i = 0; i < a->dim; i++) | |
| 1273 { Expression *e = (Expression *)exps->data[i]; | |
| 1274 | |
| 1275 e = e->syntaxCopy(); | |
| 1276 a->data[i] = e; | |
| 1277 } | |
| 1278 } | |
| 1279 return a; | |
| 1280 } | |
| 1281 | |
| 1282 /******************************** IntegerExp **************************/ | |
| 1283 | |
| 1284 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1285 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1286 { | |
| 1287 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1288 if (type && !type->isscalar()) | |
| 1289 { | |
| 336 | 1290 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1291 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1292 type = Type::terror; | |
| 1293 } | |
| 1294 this->type = type; | |
| 1295 this->value = value; | |
| 1296 } | |
| 1297 | |
| 1298 IntegerExp::IntegerExp(integer_t value) | |
| 1299 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1300 { | |
| 1301 this->type = Type::tint32; | |
| 1302 this->value = value; | |
| 1303 } | |
| 1304 | |
| 1305 int IntegerExp::equals(Object *o) | |
| 1306 { IntegerExp *ne; | |
| 1307 | |
| 1308 if (this == o || | |
| 1309 (((Expression *)o)->op == TOKint64 && | |
| 1310 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1311 value == ne->value)) | |
| 1312 return 1; | |
| 1313 return 0; | |
| 1314 } | |
| 1315 | |
| 1316 char *IntegerExp::toChars() | |
| 1317 { | |
| 1318 #if 1 | |
| 1319 return Expression::toChars(); | |
| 1320 #else | |
| 1321 static char buffer[sizeof(value) * 3 + 1]; | |
|
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1322 sprintf(buffer, "%lld", value); |
| 159 | 1323 return buffer; |
| 1324 #endif | |
| 1325 } | |
| 1326 | |
| 1327 integer_t IntegerExp::toInteger() | |
| 1328 { Type *t; | |
| 1329 | |
| 1330 t = type; | |
| 1331 while (t) | |
| 1332 { | |
| 1333 switch (t->ty) | |
| 1334 { | |
| 1335 case Tbit: | |
| 1336 case Tbool: value = (value != 0); break; | |
| 1337 case Tint8: value = (d_int8) value; break; | |
| 1338 case Tchar: | |
| 1339 case Tuns8: value = (d_uns8) value; break; | |
| 1340 case Tint16: value = (d_int16) value; break; | |
| 1341 case Twchar: | |
| 1342 case Tuns16: value = (d_uns16) value; break; | |
| 1343 case Tint32: value = (d_int32) value; break; | |
| 1344 case Tpointer: | |
| 1345 case Tdchar: | |
| 1346 case Tuns32: value = (d_uns32) value; break; | |
| 1347 case Tint64: value = (d_int64) value; break; | |
| 1348 case Tuns64: value = (d_uns64) value; break; | |
| 1349 | |
| 1350 case Tenum: | |
| 1351 { | |
| 1352 TypeEnum *te = (TypeEnum *)t; | |
| 1353 t = te->sym->memtype; | |
| 1354 continue; | |
| 1355 } | |
| 1356 | |
| 1357 case Ttypedef: | |
| 1358 { | |
| 1359 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1360 t = tt->sym->basetype; | |
| 1361 continue; | |
| 1362 } | |
| 1363 | |
| 1364 default: | |
| 336 | 1365 /* This can happen if errors, such as |
| 1366 * the type is painted on like in fromConstInitializer(). | |
| 1367 */ | |
| 1368 if (!global.errors) | |
| 1369 { type->print(); | |
| 1370 assert(0); | |
| 1371 } | |
| 159 | 1372 break; |
| 1373 } | |
| 1374 break; | |
| 1375 } | |
| 1376 return value; | |
| 1377 } | |
| 1378 | |
| 1379 real_t IntegerExp::toReal() | |
| 1380 { | |
| 1381 Type *t; | |
| 1382 | |
| 1383 toInteger(); | |
| 1384 t = type->toBasetype(); | |
| 1385 if (t->ty == Tuns64) | |
| 1386 return (real_t)(d_uns64)value; | |
| 1387 else | |
| 1388 return (real_t)(d_int64)value; | |
| 1389 } | |
| 1390 | |
| 1391 real_t IntegerExp::toImaginary() | |
| 1392 { | |
| 1393 return (real_t) 0; | |
| 1394 } | |
| 1395 | |
| 1396 complex_t IntegerExp::toComplex() | |
| 1397 { | |
| 1398 return toReal(); | |
| 1399 } | |
| 1400 | |
| 1401 int IntegerExp::isBool(int result) | |
| 1402 { | |
| 1403 return result ? value != 0 : value == 0; | |
| 1404 } | |
| 1405 | |
| 1406 Expression *IntegerExp::semantic(Scope *sc) | |
| 1407 { | |
| 1408 if (!type) | |
| 1409 { | |
| 1410 // Determine what the type of this number is | |
| 1411 integer_t number = value; | |
| 1412 | |
| 1413 if (number & 0x8000000000000000LL) | |
| 1414 type = Type::tuns64; | |
| 1415 else if (number & 0xFFFFFFFF80000000LL) | |
| 1416 type = Type::tint64; | |
| 1417 else | |
| 1418 type = Type::tint32; | |
| 1419 } | |
| 1420 else | |
|
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1421 { if (!type->deco) |
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1422 type = type->semantic(loc, sc); |
| 159 | 1423 } |
| 1424 return this; | |
| 1425 } | |
| 1426 | |
| 1427 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1428 { | |
| 1429 if (!e) | |
| 1430 e = this; | |
| 1431 else if (!loc.filename) | |
| 1432 loc = e->loc; | |
| 1433 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1434 return this; | |
| 1435 } | |
| 1436 | |
| 1437 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1438 { | |
| 1439 integer_t v = toInteger(); | |
| 1440 | |
| 1441 if (type) | |
| 1442 { Type *t = type; | |
| 1443 | |
| 1444 L1: | |
| 1445 switch (t->ty) | |
| 1446 { | |
| 1447 case Tenum: | |
| 1448 { TypeEnum *te = (TypeEnum *)t; | |
| 1449 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1450 t = te->sym->memtype; | |
| 1451 goto L1; | |
| 1452 } | |
| 1453 | |
| 1454 case Ttypedef: | |
| 1455 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1456 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1457 t = tt->sym->basetype; | |
| 1458 goto L1; | |
| 1459 } | |
| 1460 | |
| 1461 case Twchar: // BUG: need to cast(wchar) | |
| 1462 case Tdchar: // BUG: need to cast(dchar) | |
| 1463 if ((uinteger_t)v > 0xFF) | |
| 1464 { | |
| 1465 buf->printf("'\\U%08x'", v); | |
| 1466 break; | |
| 1467 } | |
| 1468 case Tchar: | |
| 1469 if (v == '\'') | |
| 1470 buf->writestring("'\\''"); | |
| 1471 else if (isprint(v) && v != '\\') | |
| 1472 buf->printf("'%c'", (int)v); | |
| 1473 else | |
| 1474 buf->printf("'\\x%02x'", (int)v); | |
| 1475 break; | |
| 1476 | |
| 1477 case Tint8: | |
| 1478 buf->writestring("cast(byte)"); | |
| 1479 goto L2; | |
| 1480 | |
| 1481 case Tint16: | |
| 1482 buf->writestring("cast(short)"); | |
| 1483 goto L2; | |
| 1484 | |
| 1485 case Tint32: | |
| 1486 L2: | |
| 1487 buf->printf("%d", (int)v); | |
| 1488 break; | |
| 1489 | |
| 1490 case Tuns8: | |
| 1491 buf->writestring("cast(ubyte)"); | |
| 1492 goto L3; | |
| 1493 | |
| 1494 case Tuns16: | |
| 1495 buf->writestring("cast(ushort)"); | |
| 1496 goto L3; | |
| 1497 | |
| 1498 case Tuns32: | |
| 1499 L3: | |
| 1500 buf->printf("%du", (unsigned)v); | |
| 1501 break; | |
| 1502 | |
| 1503 case Tint64: | |
|
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1504 buf->printf("%lldL", v); |
| 159 | 1505 break; |
| 1506 | |
| 1507 case Tuns64: | |
|
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1508 buf->printf("%lluLU", v); |
| 159 | 1509 break; |
| 1510 | |
| 1511 case Tbit: | |
| 1512 case Tbool: | |
| 1513 buf->writestring((char *)(v ? "true" : "false")); | |
| 1514 break; | |
| 1515 | |
| 1516 case Tpointer: | |
| 1517 buf->writestring("cast("); | |
| 1518 buf->writestring(t->toChars()); | |
| 1519 buf->writeByte(')'); | |
| 1520 goto L3; | |
| 1521 | |
| 1522 default: | |
| 336 | 1523 /* This can happen if errors, such as |
| 1524 * the type is painted on like in fromConstInitializer(). | |
| 1525 */ | |
| 1526 if (!global.errors) | |
| 1527 { | |
| 159 | 1528 #ifdef DEBUG |
| 336 | 1529 t->print(); |
| 159 | 1530 #endif |
| 336 | 1531 assert(0); |
| 1532 } | |
| 1533 break; | |
| 159 | 1534 } |
| 1535 } | |
| 1536 else if (v & 0x8000000000000000LL) | |
|
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1537 buf->printf("0x%llx", v); |
| 159 | 1538 else |
|
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1539 buf->printf("%lld", v); |
| 159 | 1540 } |
| 1541 | |
| 1542 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1543 { | |
| 1544 if ((sinteger_t)value < 0) | |
|
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1545 buf->printf("N%lld", -value); |
| 159 | 1546 else |
|
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1547 buf->printf("%lld", value); |
| 159 | 1548 } |
| 1549 | |
| 1550 /******************************** RealExp **************************/ | |
| 1551 | |
| 1552 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1553 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1554 { | |
| 1555 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1556 this->value = value; | |
| 1557 this->type = type; | |
| 1558 } | |
| 1559 | |
| 1560 char *RealExp::toChars() | |
| 1561 { | |
| 1562 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1563 | |
| 1564 #ifdef IN_GCC | |
| 1565 value.format(buffer, sizeof(buffer)); | |
| 1566 if (type->isimaginary()) | |
| 1567 strcat(buffer, "i"); | |
| 1568 #else | |
| 1569 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1570 #endif | |
| 1571 assert(strlen(buffer) < sizeof(buffer)); | |
| 1572 return mem.strdup(buffer); | |
| 1573 } | |
| 1574 | |
| 1575 integer_t RealExp::toInteger() | |
| 1576 { | |
| 1577 #ifdef IN_GCC | |
| 1578 return toReal().toInt(); | |
| 1579 #else | |
| 1580 return (sinteger_t) toReal(); | |
| 1581 #endif | |
| 1582 } | |
| 1583 | |
| 1584 uinteger_t RealExp::toUInteger() | |
| 1585 { | |
| 1586 #ifdef IN_GCC | |
| 1587 return (uinteger_t) toReal().toInt(); | |
| 1588 #else | |
| 1589 return (uinteger_t) toReal(); | |
| 1590 #endif | |
| 1591 } | |
| 1592 | |
| 1593 real_t RealExp::toReal() | |
| 1594 { | |
| 1595 return type->isreal() ? value : 0; | |
| 1596 } | |
| 1597 | |
| 1598 real_t RealExp::toImaginary() | |
| 1599 { | |
| 1600 return type->isreal() ? 0 : value; | |
| 1601 } | |
| 1602 | |
| 1603 complex_t RealExp::toComplex() | |
| 1604 { | |
| 1605 #ifdef __DMC__ | |
| 1606 return toReal() + toImaginary() * I; | |
| 1607 #else | |
| 1608 return complex_t(toReal(), toImaginary()); | |
| 1609 #endif | |
| 1610 } | |
| 1611 | |
| 1612 /******************************** | |
| 1613 * Test to see if two reals are the same. | |
| 1614 * Regard NaN's as equivalent. | |
| 1615 * Regard +0 and -0 as different. | |
| 1616 */ | |
| 1617 | |
| 1618 int RealEquals(real_t x1, real_t x2) | |
| 1619 { | |
|
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1620 return // special case nans |
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1621 (isnan(x1) && isnan(x2)) || |
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1622 // and zero, in order to distinguish +0 from -0 |
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1623 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1624 // otherwise just compare |
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1625 (x1 != 0. && x1 == x2); |
| 159 | 1626 } |
| 1627 | |
| 1628 int RealExp::equals(Object *o) | |
| 1629 { RealExp *ne; | |
| 1630 | |
| 1631 if (this == o || | |
| 1632 (((Expression *)o)->op == TOKfloat64 && | |
| 1633 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1634 RealEquals(value, ne->value) | |
| 1635 ) | |
| 1636 ) | |
| 1637 return 1; | |
| 1638 return 0; | |
| 1639 } | |
| 1640 | |
| 1641 Expression *RealExp::semantic(Scope *sc) | |
| 1642 { | |
| 1643 if (!type) | |
| 1644 type = Type::tfloat64; | |
| 1645 else | |
| 1646 type = type->semantic(loc, sc); | |
| 1647 return this; | |
| 1648 } | |
| 1649 | |
| 1650 int RealExp::isBool(int result) | |
| 1651 { | |
| 1652 #ifdef IN_GCC | |
| 1653 return result ? (! value.isZero()) : (value.isZero()); | |
| 1654 #else | |
| 1655 return result ? (value != 0) | |
| 1656 : (value == 0); | |
| 1657 #endif | |
| 1658 } | |
| 1659 | |
| 1660 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1661 { | |
| 1662 /* In order to get an exact representation, try converting it | |
| 1663 * to decimal then back again. If it matches, use it. | |
| 1664 * If it doesn't, fall back to hex, which is | |
| 1665 * always exact. | |
| 1666 */ | |
| 1667 char buffer[25]; | |
| 1668 sprintf(buffer, "%Lg", value); | |
| 1669 assert(strlen(buffer) < sizeof(buffer)); | |
| 1670 #if _WIN32 && __DMC__ | |
| 1671 char *save = __locale_decpoint; | |
| 1672 __locale_decpoint = "."; | |
| 1673 real_t r = strtold(buffer, NULL); | |
| 1674 __locale_decpoint = save; | |
| 1675 #else | |
| 1676 real_t r = strtold(buffer, NULL); | |
| 1677 #endif | |
| 1678 if (r == value) // if exact duplication | |
| 1679 buf->writestring(buffer); | |
| 1680 else | |
| 1681 buf->printf("%La", value); // ensure exact duplication | |
| 1682 | |
| 1683 if (type) | |
| 1684 { | |
| 1685 Type *t = type->toBasetype(); | |
| 1686 switch (t->ty) | |
| 1687 { | |
| 1688 case Tfloat32: | |
| 1689 case Timaginary32: | |
| 1690 case Tcomplex32: | |
| 1691 buf->writeByte('F'); | |
| 1692 break; | |
| 1693 | |
| 1694 case Tfloat80: | |
| 1695 case Timaginary80: | |
| 1696 case Tcomplex80: | |
| 1697 buf->writeByte('L'); | |
| 1698 break; | |
| 1699 | |
| 1700 default: | |
| 1701 break; | |
| 1702 } | |
| 1703 if (t->isimaginary()) | |
| 1704 buf->writeByte('i'); | |
| 1705 } | |
| 1706 } | |
| 1707 | |
| 1708 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1709 { | |
| 1710 floatToBuffer(buf, type, value); | |
| 1711 } | |
| 1712 | |
| 1713 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1714 { | |
| 1715 /* Rely on %A to get portable mangling. | |
| 1716 * Must munge result to get only identifier characters. | |
| 1717 * | |
| 1718 * Possible values from %A => mangled result | |
| 1719 * NAN => NAN | |
| 1720 * -INF => NINF | |
| 1721 * INF => INF | |
| 1722 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1723 * 0X1.9P+2 => 19P2 | |
| 1724 */ | |
| 1725 | |
| 1726 if (isnan(value)) | |
| 1727 buf->writestring("NAN"); // no -NAN bugs | |
| 1728 else | |
| 1729 { | |
| 1730 char buffer[32]; | |
| 1731 int n = sprintf(buffer, "%LA", value); | |
| 1732 assert(n > 0 && n < sizeof(buffer)); | |
| 1733 for (int i = 0; i < n; i++) | |
| 1734 { char c = buffer[i]; | |
| 1735 | |
| 1736 switch (c) | |
| 1737 { | |
| 1738 case '-': | |
| 1739 buf->writeByte('N'); | |
| 1740 break; | |
| 1741 | |
| 1742 case '+': | |
| 1743 case 'X': | |
| 1744 case '.': | |
| 1745 break; | |
| 1746 | |
| 1747 case '0': | |
| 1748 if (i < 2) | |
| 1749 break; // skip leading 0X | |
| 1750 default: | |
| 1751 buf->writeByte(c); | |
| 1752 break; | |
| 1753 } | |
| 1754 } | |
| 1755 } | |
| 1756 } | |
| 1757 | |
| 1758 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1759 { | |
| 1760 buf->writeByte('e'); | |
| 1761 realToMangleBuffer(buf, value); | |
| 1762 } | |
| 1763 | |
| 1764 | |
| 1765 /******************************** ComplexExp **************************/ | |
| 1766 | |
| 1767 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1768 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1769 { | |
| 1770 this->value = value; | |
| 1771 this->type = type; | |
| 1772 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1773 } | |
| 1774 | |
| 1775 char *ComplexExp::toChars() | |
| 1776 { | |
| 1777 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1778 | |
| 1779 #ifdef IN_GCC | |
| 1780 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1781 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1782 creall(value).format(buf1, sizeof(buf1)); | |
| 1783 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1784 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1785 #else | |
| 1786 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1787 assert(strlen(buffer) < sizeof(buffer)); | |
| 1788 #endif | |
| 1789 return mem.strdup(buffer); | |
| 1790 } | |
| 1791 | |
| 1792 integer_t ComplexExp::toInteger() | |
| 1793 { | |
| 1794 #ifdef IN_GCC | |
| 1795 return (sinteger_t) toReal().toInt(); | |
| 1796 #else | |
| 1797 return (sinteger_t) toReal(); | |
| 1798 #endif | |
| 1799 } | |
| 1800 | |
| 1801 uinteger_t ComplexExp::toUInteger() | |
| 1802 { | |
| 1803 #ifdef IN_GCC | |
| 1804 return (uinteger_t) toReal().toInt(); | |
| 1805 #else | |
| 1806 return (uinteger_t) toReal(); | |
| 1807 #endif | |
| 1808 } | |
| 1809 | |
| 1810 real_t ComplexExp::toReal() | |
| 1811 { | |
| 1812 return creall(value); | |
| 1813 } | |
| 1814 | |
| 1815 real_t ComplexExp::toImaginary() | |
| 1816 { | |
| 1817 return cimagl(value); | |
| 1818 } | |
| 1819 | |
| 1820 complex_t ComplexExp::toComplex() | |
| 1821 { | |
| 1822 return value; | |
| 1823 } | |
| 1824 | |
| 1825 int ComplexExp::equals(Object *o) | |
| 1826 { ComplexExp *ne; | |
| 1827 | |
| 1828 if (this == o || | |
| 1829 (((Expression *)o)->op == TOKcomplex80 && | |
| 1830 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1831 RealEquals(creall(value), creall(ne->value)) && | |
| 1832 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1833 ) | |
| 1834 ) | |
| 1835 return 1; | |
| 1836 return 0; | |
| 1837 } | |
| 1838 | |
| 1839 Expression *ComplexExp::semantic(Scope *sc) | |
| 1840 { | |
| 1841 if (!type) | |
| 1842 type = Type::tcomplex80; | |
| 1843 else | |
| 1844 type = type->semantic(loc, sc); | |
| 1845 return this; | |
| 1846 } | |
| 1847 | |
| 1848 int ComplexExp::isBool(int result) | |
| 1849 { | |
| 1850 if (result) | |
| 1851 return (bool)(value); | |
| 1852 else | |
| 1853 return !value; | |
| 1854 } | |
| 1855 | |
| 1856 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1857 { | |
| 1858 /* Print as: | |
| 1859 * (re+imi) | |
| 1860 */ | |
| 1861 #ifdef IN_GCC | |
| 1862 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1863 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1864 creall(value).format(buf1, sizeof(buf1)); | |
| 1865 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1866 buf->printf("(%s+%si)", buf1, buf2); | |
| 1867 #else | |
| 1868 buf->writeByte('('); | |
| 1869 floatToBuffer(buf, type, creall(value)); | |
| 1870 buf->writeByte('+'); | |
| 1871 floatToBuffer(buf, type, cimagl(value)); | |
| 1872 buf->writestring("i)"); | |
| 1873 #endif | |
| 1874 } | |
| 1875 | |
| 1876 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1877 { | |
| 1878 buf->writeByte('c'); | |
| 1879 real_t r = toReal(); | |
| 1880 realToMangleBuffer(buf, r); | |
| 1881 buf->writeByte('c'); // separate the two | |
| 1882 r = toImaginary(); | |
| 1883 realToMangleBuffer(buf, r); | |
| 1884 } | |
| 1885 | |
| 1886 /******************************** IdentifierExp **************************/ | |
| 1887 | |
| 1888 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1889 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1890 { | |
| 1891 this->ident = ident; | |
| 1892 } | |
| 1893 | |
| 1894 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1895 { | |
| 1896 Dsymbol *s; | |
| 1897 Dsymbol *scopesym; | |
| 1898 | |
| 1899 #if LOGSEMANTIC | |
| 1900 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1901 #endif | |
| 1902 s = sc->search(loc, ident, &scopesym); | |
| 1903 if (s) | |
| 1904 { Expression *e; | |
| 1905 WithScopeSymbol *withsym; | |
| 1906 | |
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1907 /* See if the symbol was a member of an enclosing 'with' |
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1908 */ |
| 159 | 1909 withsym = scopesym->isWithScopeSymbol(); |
| 1910 if (withsym) | |
| 1911 { | |
| 1912 s = s->toAlias(); | |
| 1913 | |
| 1914 // Same as wthis.ident | |
| 1915 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1916 { | |
| 1917 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1918 e = new DotIdExp(loc, e, ident); | |
| 1919 } | |
| 1920 else | |
| 1921 { Type *t = withsym->withstate->wthis->type; | |
| 1922 if (t->ty == Tpointer) | |
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1923 t = ((TypePointer *)t)->next; |
| 159 | 1924 e = new TypeDotIdExp(loc, t, ident); |
| 1925 } | |
| 1926 } | |
| 1927 else | |
| 1928 { | |
| 1929 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1930 { // Kludge to run semantic() here because | |
| 1931 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1932 s->semantic(sc); | |
| 1933 } | |
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1934 /* If f is really a function template, |
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1935 * then replace f with the function template declaration. |
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1936 */ |
| 159 | 1937 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1938 if (f && f->parent) | |
| 1939 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1940 | |
| 1941 if (ti && | |
| 1942 !ti->isTemplateMixin() && | |
| 1943 (ti->name == f->ident || | |
| 1944 ti->toAlias()->ident == f->ident) | |
| 1945 && | |
| 1946 ti->tempdecl && ti->tempdecl->onemember) | |
| 1947 { | |
| 1948 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1949 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1950 tempdecl = tempdecl->overroot; // then get the start | |
| 1951 e = new TemplateExp(loc, tempdecl); | |
| 1952 e = e->semantic(sc); | |
| 1953 return e; | |
| 1954 } | |
| 1955 } | |
| 1956 e = new DsymbolExp(loc, s); | |
| 1957 } | |
| 1958 return e->semantic(sc); | |
| 1959 } | |
| 1960 error("undefined identifier %s", ident->toChars()); | |
| 1961 type = Type::terror; | |
| 1962 return this; | |
| 1963 } | |
| 1964 | |
| 1965 char *IdentifierExp::toChars() | |
| 1966 { | |
| 1967 return ident->toChars(); | |
| 1968 } | |
| 1969 | |
| 1970 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1971 { | |
| 1972 if (hgs->hdrgen) | |
| 1973 buf->writestring(ident->toHChars2()); | |
| 1974 else | |
| 1975 buf->writestring(ident->toChars()); | |
| 1976 } | |
| 1977 | |
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1978 #if DMDV2 |
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1979 int IdentifierExp::isLvalue() |
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1980 { |
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1981 return 1; |
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1982 } |
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1983 #endif |
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1984 |
| 159 | 1985 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 1986 { | |
| 1987 #if 0 | |
| 1988 tym = tybasic(e1->ET->Tty); | |
| 1989 if (!(tyscalar(tym) || | |
| 1990 tym == TYstruct || | |
| 1991 tym == TYarray && e->Eoper == TOKaddr)) | |
| 1992 synerr(EM_lvalue); // lvalue expected | |
| 1993 #endif | |
| 1994 return this; | |
| 1995 } | |
| 1996 | |
| 1997 /******************************** DollarExp **************************/ | |
| 1998 | |
| 1999 DollarExp::DollarExp(Loc loc) | |
| 2000 : IdentifierExp(loc, Id::dollar) | |
| 2001 { | |
| 2002 } | |
| 2003 | |
| 2004 /******************************** DsymbolExp **************************/ | |
| 2005 | |
| 2006 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2007 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2008 { | |
| 2009 this->s = s; | |
| 2010 } | |
| 2011 | |
| 2012 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2013 { | |
| 2014 #if LOGSEMANTIC | |
| 2015 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2016 #endif | |
| 2017 | |
| 2018 Lagain: | |
| 2019 EnumMember *em; | |
| 2020 Expression *e; | |
| 2021 VarDeclaration *v; | |
| 2022 FuncDeclaration *f; | |
| 2023 FuncLiteralDeclaration *fld; | |
| 2024 Declaration *d; | |
| 2025 ClassDeclaration *cd; | |
| 2026 ClassDeclaration *thiscd = NULL; | |
| 2027 Import *imp; | |
| 2028 Package *pkg; | |
| 2029 Type *t; | |
| 2030 | |
| 2031 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2032 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2033 if (type) | |
| 2034 return this; | |
| 2035 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2036 checkDeprecated(sc, s); | |
| 2037 s = s->toAlias(); | |
| 2038 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2039 if (!s->isFuncDeclaration()) | |
| 2040 checkDeprecated(sc, s); | |
| 2041 | |
| 2042 if (sc->func) | |
| 2043 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2044 | |
| 2045 // BUG: This should happen after overload resolution for functions, not before | |
| 2046 if (s->needThis()) | |
| 2047 { | |
|
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2048 if (hasThis(sc) |
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2049 #if DMDV2 |
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2050 && !s->isFuncDeclaration() |
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2051 #endif |
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2052 ) |
| 159 | 2053 { |
| 2054 // Supply an implicit 'this', as in | |
| 2055 // this.ident | |
| 2056 | |
| 2057 DotVarExp *de; | |
| 2058 | |
| 2059 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2060 return de->semantic(sc); | |
| 2061 } | |
| 2062 } | |
| 2063 | |
| 2064 em = s->isEnumMember(); | |
| 2065 if (em) | |
| 2066 { | |
| 2067 e = em->value->copy(); | |
| 2068 e = e->semantic(sc); | |
| 2069 return e; | |
| 2070 } | |
| 2071 v = s->isVarDeclaration(); | |
| 2072 if (v) | |
| 2073 { | |
| 2074 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2075 if (!type) | |
| 2076 { type = v->type; | |
| 2077 if (!v->type) | |
| 2078 { error("forward reference of %s", v->toChars()); | |
| 2079 type = Type::terror; | |
| 2080 } | |
| 2081 } | |
| 2082 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2083 { | |
| 2084 if (v->init) | |
| 2085 { | |
| 2086 if (v->inuse) | |
| 2087 { | |
| 2088 error("circular reference to '%s'", v->toChars()); | |
| 2089 type = Type::tint32; | |
| 2090 return this; | |
| 2091 } | |
| 2092 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2093 if (ei) | |
| 2094 { | |
| 2095 e = ei->exp->copy(); // make copy so we can change loc | |
| 2096 if (e->op == TOKstring || !e->type) | |
| 2097 e = e->semantic(sc); | |
| 2098 e = e->implicitCastTo(sc, type); | |
| 2099 e->loc = loc; | |
| 2100 return e; | |
| 2101 } | |
| 2102 } | |
| 2103 else | |
| 2104 { | |
| 2105 e = type->defaultInit(); | |
| 2106 e->loc = loc; | |
| 2107 return e; | |
| 2108 } | |
| 2109 } | |
| 2110 e = new VarExp(loc, v); | |
| 2111 e->type = type; | |
| 2112 e = e->semantic(sc); | |
| 2113 return e->deref(); | |
| 2114 } | |
| 2115 fld = s->isFuncLiteralDeclaration(); | |
| 2116 if (fld) | |
| 2117 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2118 e = new FuncExp(loc, fld); | |
| 2119 return e->semantic(sc); | |
| 2120 } | |
| 2121 f = s->isFuncDeclaration(); | |
| 2122 if (f) | |
| 2123 { //printf("'%s' is a function\n", f->toChars()); | |
| 2124 return new VarExp(loc, f); | |
| 2125 } | |
| 2126 cd = s->isClassDeclaration(); | |
| 2127 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2128 { | |
| 2129 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2130 DotTypeExp *dte; | |
| 2131 | |
| 2132 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2133 return dte->semantic(sc); | |
| 2134 } | |
| 2135 imp = s->isImport(); | |
| 2136 if (imp) | |
| 2137 { | |
| 2138 ScopeExp *ie; | |
| 2139 | |
| 2140 ie = new ScopeExp(loc, imp->pkg); | |
| 2141 return ie->semantic(sc); | |
| 2142 } | |
| 2143 pkg = s->isPackage(); | |
| 2144 if (pkg) | |
| 2145 { | |
| 2146 ScopeExp *ie; | |
| 2147 | |
| 2148 ie = new ScopeExp(loc, pkg); | |
| 2149 return ie->semantic(sc); | |
| 2150 } | |
| 2151 Module *mod = s->isModule(); | |
| 2152 if (mod) | |
| 2153 { | |
| 2154 ScopeExp *ie; | |
| 2155 | |
| 2156 ie = new ScopeExp(loc, mod); | |
| 2157 return ie->semantic(sc); | |
| 2158 } | |
| 2159 | |
| 2160 t = s->getType(); | |
| 2161 if (t) | |
| 2162 { | |
| 2163 return new TypeExp(loc, t); | |
| 2164 } | |
| 2165 | |
| 2166 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2167 if (tup) | |
| 2168 { | |
| 2169 e = new TupleExp(loc, tup); | |
| 2170 e = e->semantic(sc); | |
| 2171 return e; | |
| 2172 } | |
| 2173 | |
| 2174 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2175 if (ti && !global.errors) | |
| 2176 { if (!ti->semanticdone) | |
| 2177 ti->semantic(sc); | |
| 2178 s = ti->inst->toAlias(); | |
| 2179 if (!s->isTemplateInstance()) | |
| 2180 goto Lagain; | |
| 2181 e = new ScopeExp(loc, ti); | |
| 2182 e = e->semantic(sc); | |
| 2183 return e; | |
| 2184 } | |
| 2185 | |
| 2186 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2187 if (td) | |
| 2188 { | |
| 2189 e = new TemplateExp(loc, td); | |
| 2190 e = e->semantic(sc); | |
| 2191 return e; | |
| 2192 } | |
| 2193 | |
| 2194 Lerr: | |
| 2195 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2196 type = Type::terror; | |
| 2197 return this; | |
| 2198 } | |
| 2199 | |
| 2200 char *DsymbolExp::toChars() | |
| 2201 { | |
| 2202 return s->toChars(); | |
| 2203 } | |
| 2204 | |
| 2205 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2206 { | |
| 2207 buf->writestring(s->toChars()); | |
| 2208 } | |
| 2209 | |
|
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2210 #if DMDV2 |
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2211 int DsymbolExp::isLvalue() |
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2212 { |
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2213 return 1; |
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2214 } |
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2215 #endif |
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2216 |
| 159 | 2217 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2218 { | |
| 2219 #if 0 | |
| 2220 tym = tybasic(e1->ET->Tty); | |
| 2221 if (!(tyscalar(tym) || | |
| 2222 tym == TYstruct || | |
| 2223 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2224 synerr(EM_lvalue); // lvalue expected | |
| 2225 #endif | |
| 2226 return this; | |
| 2227 } | |
| 2228 | |
| 2229 /******************************** ThisExp **************************/ | |
| 2230 | |
| 2231 ThisExp::ThisExp(Loc loc) | |
| 2232 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2233 { | |
| 2234 var = NULL; | |
| 2235 } | |
| 2236 | |
| 2237 Expression *ThisExp::semantic(Scope *sc) | |
| 2238 { FuncDeclaration *fd; | |
| 2239 FuncDeclaration *fdthis; | |
| 2240 int nested = 0; | |
| 2241 | |
| 2242 #if LOGSEMANTIC | |
| 2243 printf("ThisExp::semantic()\n"); | |
| 2244 #endif | |
| 2245 if (type) | |
| 2246 { //assert(global.errors || var); | |
| 2247 return this; | |
| 2248 } | |
| 2249 | |
| 2250 /* Special case for typeof(this) and typeof(super) since both | |
| 2251 * should work even if they are not inside a non-static member function | |
| 2252 */ | |
| 2253 if (sc->intypeof) | |
| 2254 { | |
| 2255 // Find enclosing struct or class | |
| 2256 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2257 { | |
| 2258 ClassDeclaration *cd; | |
| 2259 StructDeclaration *sd; | |
| 2260 | |
| 2261 if (!s) | |
| 2262 { | |
| 2263 error("%s is not in a struct or class scope", toChars()); | |
| 2264 goto Lerr; | |
| 2265 } | |
| 2266 cd = s->isClassDeclaration(); | |
| 2267 if (cd) | |
| 2268 { | |
| 2269 type = cd->type; | |
| 2270 return this; | |
| 2271 } | |
| 2272 sd = s->isStructDeclaration(); | |
| 2273 if (sd) | |
| 2274 { | |
| 2275 type = sd->type->pointerTo(); | |
| 2276 return this; | |
| 2277 } | |
| 2278 } | |
| 2279 } | |
| 2280 | |
| 2281 fdthis = sc->parent->isFuncDeclaration(); | |
| 2282 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2283 if (!fd) | |
| 2284 goto Lerr; | |
| 2285 | |
| 2286 assert(fd->vthis); | |
| 2287 var = fd->vthis; | |
| 2288 assert(var->parent); | |
| 2289 type = var->type; | |
| 2290 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2291 #if 0 | |
| 2292 if (fd != fdthis) // if nested | |
| 2293 { | |
| 2294 fdthis->getLevel(loc, fd); | |
| 2295 fd->vthis->nestedref = 1; | |
| 2296 fd->nestedFrameRef = 1; | |
| 2297 } | |
| 2298 #endif | |
| 336 | 2299 if (!sc->intypeof) |
| 2300 sc->callSuper |= CSXthis; | |
| 159 | 2301 return this; |
| 2302 | |
| 2303 Lerr: | |
|
510
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486
diff
changeset
|
2304 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
|
2305 type = Type::terror; |
| 159 | 2306 return this; |
| 2307 } | |
| 2308 | |
| 2309 int ThisExp::isBool(int result) | |
| 2310 { | |
| 2311 return result ? TRUE : FALSE; | |
| 2312 } | |
| 2313 | |
| 2314 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2315 { | |
| 2316 buf->writestring("this"); | |
| 2317 } | |
| 2318 | |
|
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diff
changeset
|
2319 #if DMDV2 |
|
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diff
changeset
|
2320 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2321 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2322 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2323 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2324 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2325 |
| 159 | 2326 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2327 { | |
| 2328 return this; | |
| 2329 } | |
| 2330 | |
| 2331 /******************************** SuperExp **************************/ | |
| 2332 | |
| 2333 SuperExp::SuperExp(Loc loc) | |
| 2334 : ThisExp(loc) | |
| 2335 { | |
| 2336 op = TOKsuper; | |
| 2337 } | |
| 2338 | |
| 2339 Expression *SuperExp::semantic(Scope *sc) | |
| 2340 { FuncDeclaration *fd; | |
| 2341 FuncDeclaration *fdthis; | |
| 2342 ClassDeclaration *cd; | |
| 2343 Dsymbol *s; | |
| 2344 | |
| 2345 #if LOGSEMANTIC | |
| 2346 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2347 #endif | |
| 2348 if (type) | |
| 2349 return this; | |
| 2350 | |
| 2351 /* Special case for typeof(this) and typeof(super) since both | |
| 2352 * should work even if they are not inside a non-static member function | |
| 2353 */ | |
| 2354 if (sc->intypeof) | |
| 2355 { | |
| 2356 // Find enclosing class | |
| 2357 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2358 { | |
| 2359 ClassDeclaration *cd; | |
| 2360 | |
| 2361 if (!s) | |
| 2362 { | |
| 2363 error("%s is not in a class scope", toChars()); | |
| 2364 goto Lerr; | |
| 2365 } | |
| 2366 cd = s->isClassDeclaration(); | |
| 2367 if (cd) | |
| 2368 { | |
| 2369 cd = cd->baseClass; | |
| 2370 if (!cd) | |
| 2371 { error("class %s has no 'super'", s->toChars()); | |
| 2372 goto Lerr; | |
| 2373 } | |
| 2374 type = cd->type; | |
| 2375 return this; | |
| 2376 } | |
| 2377 } | |
| 2378 } | |
| 2379 | |
| 2380 fdthis = sc->parent->isFuncDeclaration(); | |
| 2381 fd = hasThis(sc); | |
| 2382 if (!fd) | |
| 2383 goto Lerr; | |
| 2384 assert(fd->vthis); | |
| 2385 var = fd->vthis; | |
| 2386 assert(var->parent); | |
| 2387 | |
| 2388 s = fd->toParent(); | |
| 2389 while (s && s->isTemplateInstance()) | |
| 2390 s = s->toParent(); | |
| 2391 assert(s); | |
| 2392 cd = s->isClassDeclaration(); | |
| 2393 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2394 if (!cd) | |
| 2395 goto Lerr; | |
| 2396 if (!cd->baseClass) | |
| 2397 { | |
| 2398 error("no base class for %s", cd->toChars()); | |
| 2399 type = fd->vthis->type; | |
| 2400 } | |
| 2401 else | |
| 2402 { | |
| 2403 type = cd->baseClass->type; | |
| 2404 } | |
| 2405 | |
| 2406 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2407 #if 0 | |
| 2408 if (fd != fdthis) | |
| 2409 { | |
| 2410 fdthis->getLevel(loc, fd); | |
| 2411 fd->vthis->nestedref = 1; | |
| 2412 fd->nestedFrameRef = 1; | |
| 2413 } | |
| 2414 #endif | |
| 2415 | |
| 336 | 2416 if (!sc->intypeof) |
| 2417 sc->callSuper |= CSXsuper; | |
| 159 | 2418 return this; |
| 2419 | |
| 2420 | |
| 2421 Lerr: | |
| 2422 error("'super' is only allowed in non-static class member functions"); | |
| 2423 type = Type::tint32; | |
| 2424 return this; | |
| 2425 } | |
| 2426 | |
| 2427 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2428 { | |
| 2429 buf->writestring("super"); | |
| 2430 } | |
| 2431 | |
| 2432 | |
| 2433 /******************************** NullExp **************************/ | |
| 2434 | |
| 2435 NullExp::NullExp(Loc loc) | |
| 2436 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2437 { | |
| 2438 committed = 0; | |
| 2439 } | |
| 2440 | |
| 2441 Expression *NullExp::semantic(Scope *sc) | |
| 2442 { | |
| 2443 #if LOGSEMANTIC | |
| 2444 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2445 #endif | |
| 2446 // NULL is the same as (void *)0 | |
| 2447 if (!type) | |
| 2448 type = Type::tvoid->pointerTo(); | |
| 2449 return this; | |
| 2450 } | |
| 2451 | |
| 2452 int NullExp::isBool(int result) | |
| 2453 { | |
| 2454 return result ? FALSE : TRUE; | |
| 2455 } | |
| 2456 | |
| 2457 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2458 { | |
| 2459 buf->writestring("null"); | |
| 2460 } | |
| 2461 | |
| 2462 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2463 { | |
| 2464 buf->writeByte('n'); | |
| 2465 } | |
| 2466 | |
| 2467 /******************************** StringExp **************************/ | |
| 2468 | |
| 2469 StringExp::StringExp(Loc loc, char *string) | |
| 2470 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2471 { | |
| 2472 this->string = string; | |
| 2473 this->len = strlen(string); | |
| 2474 this->sz = 1; | |
| 2475 this->committed = 0; | |
| 2476 this->postfix = 0; | |
| 2477 } | |
| 2478 | |
| 2479 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2480 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2481 { | |
| 2482 this->string = string; | |
| 2483 this->len = len; | |
| 2484 this->sz = 1; | |
| 2485 this->committed = 0; | |
| 2486 this->postfix = 0; | |
| 2487 } | |
| 2488 | |
| 2489 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2490 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2491 { | |
| 2492 this->string = string; | |
| 2493 this->len = len; | |
| 2494 this->sz = 1; | |
| 2495 this->committed = 0; | |
| 2496 this->postfix = postfix; | |
| 2497 } | |
| 2498 | |
| 2499 #if 0 | |
| 2500 Expression *StringExp::syntaxCopy() | |
| 2501 { | |
| 2502 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2503 return copy(); | |
| 2504 } | |
| 2505 #endif | |
| 2506 | |
| 2507 int StringExp::equals(Object *o) | |
| 2508 { | |
| 2509 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2510 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2511 { Expression *e = (Expression *)o; | |
| 2512 | |
| 2513 if (e->op == TOKstring) | |
| 2514 { | |
| 2515 return compare(o) == 0; | |
| 2516 } | |
| 2517 } | |
| 2518 return FALSE; | |
| 2519 } | |
| 2520 | |
| 2521 char *StringExp::toChars() | |
| 2522 { | |
| 2523 OutBuffer buf; | |
| 2524 HdrGenState hgs; | |
| 2525 char *p; | |
| 2526 | |
| 2527 memset(&hgs, 0, sizeof(hgs)); | |
| 2528 toCBuffer(&buf, &hgs); | |
| 2529 buf.writeByte(0); | |
| 2530 p = (char *)buf.data; | |
| 2531 buf.data = NULL; | |
| 2532 return p; | |
| 2533 } | |
| 2534 | |
| 2535 Expression *StringExp::semantic(Scope *sc) | |
| 2536 { | |
| 2537 #if LOGSEMANTIC | |
| 2538 printf("StringExp::semantic() %s\n", toChars()); | |
| 2539 #endif | |
| 2540 if (!type) | |
| 2541 { OutBuffer buffer; | |
| 2542 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2543 const char *p; |
| 159 | 2544 size_t u; |
| 2545 unsigned c; | |
| 2546 | |
| 2547 switch (postfix) | |
| 2548 { | |
| 2549 case 'd': | |
| 2550 for (u = 0; u < len;) | |
| 2551 { | |
| 2552 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2553 if (p) | |
| 2554 { error("%s", p); | |
| 2555 break; | |
| 2556 } | |
| 2557 else | |
| 2558 { buffer.write4(c); | |
| 2559 newlen++; | |
| 2560 } | |
| 2561 } | |
| 2562 buffer.write4(0); | |
| 2563 string = buffer.extractData(); | |
| 2564 len = newlen; | |
| 2565 sz = 4; | |
| 2566 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2567 committed = 1; | |
| 2568 break; | |
| 2569 | |
| 2570 case 'w': | |
| 2571 for (u = 0; u < len;) | |
| 2572 { | |
| 2573 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2574 if (p) | |
| 2575 { error("%s", p); | |
| 2576 break; | |
| 2577 } | |
| 2578 else | |
| 2579 { buffer.writeUTF16(c); | |
| 2580 newlen++; | |
| 2581 if (c >= 0x10000) | |
| 2582 newlen++; | |
| 2583 } | |
| 2584 } | |
| 2585 buffer.writeUTF16(0); | |
| 2586 string = buffer.extractData(); | |
| 2587 len = newlen; | |
| 2588 sz = 2; | |
| 2589 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2590 committed = 1; | |
| 2591 break; | |
| 2592 | |
| 2593 case 'c': | |
| 2594 committed = 1; | |
| 2595 default: | |
| 2596 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2597 break; | |
| 2598 } | |
| 2599 type = type->semantic(loc, sc); | |
| 2600 } | |
| 2601 return this; | |
| 2602 } | |
| 2603 | |
| 2604 /**************************************** | |
| 2605 * Convert string to char[]. | |
| 2606 */ | |
| 2607 | |
| 2608 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2609 { | |
| 2610 if (sz != 1) | |
| 2611 { // Convert to UTF-8 string | |
| 2612 committed = 0; | |
| 2613 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2614 e = e->optimize(WANTvalue); | |
| 2615 assert(e->op == TOKstring); | |
| 2616 StringExp *se = (StringExp *)e; | |
| 2617 assert(se->sz == 1); | |
| 2618 return se; | |
| 2619 } | |
| 2620 return this; | |
| 2621 } | |
| 2622 | |
| 2623 int StringExp::compare(Object *obj) | |
| 2624 { | |
| 2625 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2626 StringExp *se2 = (StringExp *)(obj); | |
| 2627 | |
| 2628 // This is a kludge so isExpression() in template.c will return 5 | |
| 2629 // for StringExp's. | |
| 2630 if (!se2) | |
| 2631 return 5; | |
| 2632 | |
| 2633 assert(se2->op == TOKstring); | |
| 2634 | |
| 2635 int len1 = len; | |
| 2636 int len2 = se2->len; | |
| 2637 | |
| 2638 if (len1 == len2) | |
| 2639 { | |
| 2640 switch (sz) | |
| 2641 { | |
| 2642 case 1: | |
| 2643 return strcmp((char *)string, (char *)se2->string); | |
| 2644 | |
| 2645 case 2: | |
| 2646 { unsigned u; | |
| 2647 d_wchar *s1 = (d_wchar *)string; | |
| 2648 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2649 | |
| 2650 for (u = 0; u < len; u++) | |
| 2651 { | |
| 2652 if (s1[u] != s2[u]) | |
| 2653 return s1[u] - s2[u]; | |
| 2654 } | |
| 2655 } | |
| 2656 | |
| 2657 case 4: | |
| 2658 { unsigned u; | |
| 2659 d_dchar *s1 = (d_dchar *)string; | |
| 2660 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2661 | |
| 2662 for (u = 0; u < len; u++) | |
| 2663 { | |
| 2664 if (s1[u] != s2[u]) | |
| 2665 return s1[u] - s2[u]; | |
| 2666 } | |
| 2667 } | |
| 2668 break; | |
| 2669 | |
| 2670 default: | |
| 2671 assert(0); | |
| 2672 } | |
| 2673 } | |
| 2674 return len1 - len2; | |
| 2675 } | |
| 2676 | |
| 2677 int StringExp::isBool(int result) | |
| 2678 { | |
| 2679 return result ? TRUE : FALSE; | |
| 2680 } | |
| 2681 | |
| 2682 unsigned StringExp::charAt(size_t i) | |
| 2683 { unsigned value; | |
| 2684 | |
| 2685 switch (sz) | |
| 2686 { | |
| 2687 case 1: | |
| 2688 value = ((unsigned char *)string)[i]; | |
| 2689 break; | |
| 2690 | |
| 2691 case 2: | |
| 2692 value = ((unsigned short *)string)[i]; | |
| 2693 break; | |
| 2694 | |
| 2695 case 4: | |
| 2696 value = ((unsigned int *)string)[i]; | |
| 2697 break; | |
| 2698 | |
| 2699 default: | |
| 2700 assert(0); | |
| 2701 break; | |
| 2702 } | |
| 2703 return value; | |
| 2704 } | |
| 2705 | |
| 2706 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2707 { | |
| 2708 buf->writeByte('"'); | |
| 2709 for (size_t i = 0; i < len; i++) | |
| 2710 { unsigned c = charAt(i); | |
| 2711 | |
| 2712 switch (c) | |
| 2713 { | |
| 2714 case '"': | |
| 2715 case '\\': | |
| 2716 if (!hgs->console) | |
| 2717 buf->writeByte('\\'); | |
| 2718 default: | |
| 2719 if (c <= 0xFF) | |
| 2720 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2721 buf->writeByte(c); | |
| 2722 else | |
| 2723 buf->printf("\\x%02x", c); | |
| 2724 } | |
| 2725 else if (c <= 0xFFFF) | |
| 2726 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2727 else | |
| 2728 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2729 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2730 break; | |
| 2731 } | |
| 2732 } | |
| 2733 buf->writeByte('"'); | |
| 2734 if (postfix) | |
| 2735 buf->writeByte(postfix); | |
| 2736 } | |
| 2737 | |
| 2738 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2739 { char m; | |
| 2740 OutBuffer tmp; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2741 const char *p; |
| 159 | 2742 unsigned c; |
| 2743 size_t u; | |
| 2744 unsigned char *q; | |
| 2745 unsigned qlen; | |
| 2746 | |
| 2747 /* Write string in UTF-8 format | |
| 2748 */ | |
| 2749 switch (sz) | |
| 2750 { case 1: | |
| 2751 m = 'a'; | |
| 2752 q = (unsigned char *)string; | |
| 2753 qlen = len; | |
| 2754 break; | |
| 2755 case 2: | |
| 2756 m = 'w'; | |
| 2757 for (u = 0; u < len; ) | |
| 2758 { | |
| 2759 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2760 if (p) | |
| 2761 error("%s", p); | |
| 2762 else | |
| 2763 tmp.writeUTF8(c); | |
| 2764 } | |
| 2765 q = tmp.data; | |
| 2766 qlen = tmp.offset; | |
| 2767 break; | |
| 2768 case 4: | |
| 2769 m = 'd'; | |
| 2770 for (u = 0; u < len; u++) | |
| 2771 { | |
| 2772 c = ((unsigned *)string)[u]; | |
| 2773 if (!utf_isValidDchar(c)) | |
| 2774 error("invalid UCS-32 char \\U%08x", c); | |
| 2775 else | |
| 2776 tmp.writeUTF8(c); | |
| 2777 } | |
| 2778 q = tmp.data; | |
| 2779 qlen = tmp.offset; | |
| 2780 break; | |
| 2781 default: | |
| 2782 assert(0); | |
| 2783 } | |
| 2784 buf->writeByte(m); | |
| 2785 buf->printf("%d_", qlen); | |
| 2786 for (size_t i = 0; i < qlen; i++) | |
| 2787 buf->printf("%02x", q[i]); | |
| 2788 } | |
| 2789 | |
| 2790 /************************ ArrayLiteralExp ************************************/ | |
| 2791 | |
| 2792 // [ e1, e2, e3, ... ] | |
| 2793 | |
| 2794 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2795 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2796 { | |
| 2797 this->elements = elements; | |
| 2798 } | |
| 2799 | |
| 2800 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2801 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2802 { | |
| 2803 elements = new Expressions; | |
| 2804 elements->push(e); | |
| 2805 } | |
| 2806 | |
| 2807 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2808 { | |
| 2809 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2810 } | |
| 2811 | |
| 2812 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2813 { Expression *e; | |
| 2814 Type *t0 = NULL; | |
| 2815 | |
| 2816 #if LOGSEMANTIC | |
| 2817 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2818 #endif | |
| 2819 if (type) | |
| 2820 return this; | |
| 2821 | |
| 2822 // Run semantic() on each element | |
| 2823 for (int i = 0; i < elements->dim; i++) | |
| 2824 { e = (Expression *)elements->data[i]; | |
| 2825 e = e->semantic(sc); | |
| 2826 elements->data[i] = (void *)e; | |
| 2827 } | |
| 2828 expandTuples(elements); | |
| 2829 for (int i = 0; i < elements->dim; i++) | |
| 2830 { e = (Expression *)elements->data[i]; | |
| 2831 | |
| 2832 if (!e->type) | |
| 2833 error("%s has no value", e->toChars()); | |
| 2834 e = resolveProperties(sc, e); | |
| 2835 | |
| 2836 unsigned char committed = 1; | |
| 2837 if (e->op == TOKstring) | |
| 2838 committed = ((StringExp *)e)->committed; | |
| 2839 | |
| 2840 if (!t0) | |
| 2841 { t0 = e->type; | |
| 2842 // Convert any static arrays to dynamic arrays | |
| 2843 if (t0->ty == Tsarray) | |
| 2844 { | |
|
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2845 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2846 e = e->implicitCastTo(sc, t0); |
| 2847 } | |
| 2848 } | |
| 2849 else | |
| 2850 e = e->implicitCastTo(sc, t0); | |
| 2851 if (!committed && e->op == TOKstring) | |
| 2852 { StringExp *se = (StringExp *)e; | |
| 2853 se->committed = 0; | |
| 2854 } | |
| 2855 elements->data[i] = (void *)e; | |
| 2856 } | |
| 2857 | |
| 2858 if (!t0) | |
| 2859 t0 = Type::tvoid; | |
| 2860 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2861 type = type->semantic(loc, sc); | |
| 2862 return this; | |
| 2863 } | |
| 2864 | |
| 2865 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2866 { int f = 0; | |
| 2867 | |
| 2868 for (size_t i = 0; i < elements->dim; i++) | |
| 2869 { Expression *e = (Expression *)elements->data[i]; | |
| 2870 | |
| 2871 f |= e->checkSideEffect(2); | |
| 2872 } | |
| 2873 if (flag == 0 && f == 0) | |
| 2874 Expression::checkSideEffect(0); | |
| 2875 return f; | |
| 2876 } | |
| 2877 | |
| 2878 int ArrayLiteralExp::isBool(int result) | |
| 2879 { | |
| 2880 size_t dim = elements ? elements->dim : 0; | |
| 2881 return result ? (dim != 0) : (dim == 0); | |
| 2882 } | |
| 2883 | |
|
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2884 #if DMDV2 |
|
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2885 int ArrayLiteralExp::canThrow() |
|
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2886 { |
|
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|
2887 return 1; // because it can fail allocating memory |
|
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|
2888 } |
|
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|
2889 #endif |
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|
2890 |
| 159 | 2891 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2892 { | |
| 2893 buf->writeByte('['); | |
| 2894 argsToCBuffer(buf, elements, hgs); | |
| 2895 buf->writeByte(']'); | |
| 2896 } | |
| 2897 | |
| 2898 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2899 { | |
| 2900 size_t dim = elements ? elements->dim : 0; | |
| 2901 buf->printf("A%u", dim); | |
| 2902 for (size_t i = 0; i < dim; i++) | |
| 2903 { Expression *e = (Expression *)elements->data[i]; | |
| 2904 e->toMangleBuffer(buf); | |
| 2905 } | |
| 2906 } | |
| 2907 | |
| 2908 /************************ AssocArrayLiteralExp ************************************/ | |
| 2909 | |
| 2910 // [ key0 : value0, key1 : value1, ... ] | |
| 2911 | |
| 2912 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2913 Expressions *keys, Expressions *values) | |
| 2914 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2915 { | |
| 2916 assert(keys->dim == values->dim); | |
| 2917 this->keys = keys; | |
| 2918 this->values = values; | |
| 2919 } | |
| 2920 | |
| 2921 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2922 { | |
| 2923 return new AssocArrayLiteralExp(loc, | |
| 2924 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2925 } | |
| 2926 | |
| 2927 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2928 { Expression *e; | |
| 2929 Type *tkey = NULL; | |
| 2930 Type *tvalue = NULL; | |
| 2931 | |
| 2932 #if LOGSEMANTIC | |
| 2933 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2934 #endif | |
| 2935 | |
| 2936 // Run semantic() on each element | |
| 2937 for (size_t i = 0; i < keys->dim; i++) | |
| 2938 { Expression *key = (Expression *)keys->data[i]; | |
| 2939 Expression *value = (Expression *)values->data[i]; | |
| 2940 | |
| 2941 key = key->semantic(sc); | |
| 2942 value = value->semantic(sc); | |
| 2943 | |
| 2944 keys->data[i] = (void *)key; | |
| 2945 values->data[i] = (void *)value; | |
| 2946 } | |
| 2947 expandTuples(keys); | |
| 2948 expandTuples(values); | |
| 2949 if (keys->dim != values->dim) | |
| 2950 { | |
| 2951 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2952 keys->setDim(0); | |
| 2953 values->setDim(0); | |
| 2954 } | |
| 2955 for (size_t i = 0; i < keys->dim; i++) | |
| 2956 { Expression *key = (Expression *)keys->data[i]; | |
| 2957 Expression *value = (Expression *)values->data[i]; | |
| 2958 | |
| 2959 if (!key->type) | |
| 2960 error("%s has no value", key->toChars()); | |
| 2961 if (!value->type) | |
| 2962 error("%s has no value", value->toChars()); | |
| 2963 key = resolveProperties(sc, key); | |
| 2964 value = resolveProperties(sc, value); | |
| 2965 | |
| 2966 if (!tkey) | |
| 2967 tkey = key->type; | |
| 2968 else | |
| 2969 key = key->implicitCastTo(sc, tkey); | |
| 2970 keys->data[i] = (void *)key; | |
| 2971 | |
| 2972 if (!tvalue) | |
| 2973 tvalue = value->type; | |
| 2974 else | |
| 2975 value = value->implicitCastTo(sc, tvalue); | |
| 2976 values->data[i] = (void *)value; | |
| 2977 } | |
| 2978 | |
| 2979 if (!tkey) | |
| 2980 tkey = Type::tvoid; | |
| 2981 if (!tvalue) | |
| 2982 tvalue = Type::tvoid; | |
| 2983 type = new TypeAArray(tvalue, tkey); | |
| 2984 type = type->semantic(loc, sc); | |
| 2985 return this; | |
| 2986 } | |
| 2987 | |
| 2988 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 2989 { int f = 0; | |
| 2990 | |
| 2991 for (size_t i = 0; i < keys->dim; i++) | |
| 2992 { Expression *key = (Expression *)keys->data[i]; | |
| 2993 Expression *value = (Expression *)values->data[i]; | |
| 2994 | |
| 2995 f |= key->checkSideEffect(2); | |
| 2996 f |= value->checkSideEffect(2); | |
| 2997 } | |
| 2998 if (flag == 0 && f == 0) | |
| 2999 Expression::checkSideEffect(0); | |
| 3000 return f; | |
| 3001 } | |
| 3002 | |
| 3003 int AssocArrayLiteralExp::isBool(int result) | |
| 3004 { | |
| 3005 size_t dim = keys->dim; | |
| 3006 return result ? (dim != 0) : (dim == 0); | |
| 3007 } | |
| 3008 | |
|
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3009 #if DMDV2 |
|
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|
3010 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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|
3011 { |
|
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parents:
846
diff
changeset
|
3012 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3013 } |
|
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parents:
846
diff
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|
3014 #endif |
|
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parents:
846
diff
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|
3015 |
| 159 | 3016 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3017 { | |
| 3018 buf->writeByte('['); | |
| 3019 for (size_t i = 0; i < keys->dim; i++) | |
| 3020 { Expression *key = (Expression *)keys->data[i]; | |
| 3021 Expression *value = (Expression *)values->data[i]; | |
| 3022 | |
| 3023 if (i) | |
| 3024 buf->writeByte(','); | |
| 3025 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3026 buf->writeByte(':'); | |
| 3027 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3028 } | |
| 3029 buf->writeByte(']'); | |
| 3030 } | |
| 3031 | |
| 3032 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3033 { | |
| 3034 size_t dim = keys->dim; | |
| 3035 buf->printf("A%u", dim); | |
| 3036 for (size_t i = 0; i < dim; i++) | |
| 3037 { Expression *key = (Expression *)keys->data[i]; | |
| 3038 Expression *value = (Expression *)values->data[i]; | |
| 3039 | |
| 3040 key->toMangleBuffer(buf); | |
| 3041 value->toMangleBuffer(buf); | |
| 3042 } | |
| 3043 } | |
| 3044 | |
| 3045 /************************ StructLiteralExp ************************************/ | |
| 3046 | |
| 3047 // sd( e1, e2, e3, ... ) | |
| 3048 | |
| 3049 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3050 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3051 { | |
| 3052 this->sd = sd; | |
| 3053 this->elements = elements; | |
| 3054 this->sym = NULL; | |
| 3055 this->soffset = 0; | |
| 3056 this->fillHoles = 1; | |
| 3057 } | |
| 3058 | |
| 3059 Expression *StructLiteralExp::syntaxCopy() | |
| 3060 { | |
| 3061 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3062 } | |
| 3063 | |
| 3064 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3065 { Expression *e; | |
| 3066 | |
| 3067 #if LOGSEMANTIC | |
| 3068 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3069 #endif | |
|
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|
3070 if (type) |
|
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diff
changeset
|
3071 return this; |
| 159 | 3072 |
| 3073 // Run semantic() on each element | |
| 3074 for (size_t i = 0; i < elements->dim; i++) | |
| 3075 { e = (Expression *)elements->data[i]; | |
| 3076 if (!e) | |
| 3077 continue; | |
| 3078 e = e->semantic(sc); | |
| 3079 elements->data[i] = (void *)e; | |
| 3080 } | |
| 3081 expandTuples(elements); | |
| 3082 size_t offset = 0; | |
| 3083 for (size_t i = 0; i < elements->dim; i++) | |
| 3084 { e = (Expression *)elements->data[i]; | |
| 3085 if (!e) | |
| 3086 continue; | |
| 3087 | |
| 3088 if (!e->type) | |
| 3089 error("%s has no value", e->toChars()); | |
| 3090 e = resolveProperties(sc, e); | |
| 3091 if (i >= sd->fields.dim) | |
| 3092 { error("more initializers than fields of %s", sd->toChars()); | |
| 3093 break; | |
| 3094 } | |
| 3095 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3096 VarDeclaration *v = s->isVarDeclaration(); | |
| 3097 assert(v); | |
| 3098 if (v->offset < offset) | |
| 3099 error("overlapping initialization for %s", v->toChars()); | |
| 3100 offset = v->offset + v->type->size(); | |
| 3101 | |
| 3102 Type *telem = v->type; | |
| 3103 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3104 { /* Static array initialization, as in: | |
| 3105 * T[3][5] = e; | |
| 3106 */ | |
| 3107 telem = telem->toBasetype()->nextOf(); | |
| 3108 } | |
| 3109 | |
| 3110 e = e->implicitCastTo(sc, telem); | |
| 3111 | |
| 3112 elements->data[i] = (void *)e; | |
| 3113 } | |
| 3114 | |
| 3115 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3116 */ | |
| 3117 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3118 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3119 VarDeclaration *v = s->isVarDeclaration(); | |
| 3120 assert(v); | |
| 3121 | |
| 3122 if (v->offset < offset) | |
| 3123 { e = NULL; | |
| 3124 sd->hasUnions = 1; | |
| 3125 } | |
| 3126 else | |
| 3127 { | |
| 3128 if (v->init) | |
| 3129 { e = v->init->toExpression(); | |
| 3130 if (!e) | |
| 3131 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3132 } | |
| 3133 else | |
| 3134 { e = v->type->defaultInit(); | |
| 3135 e->loc = loc; | |
| 3136 } | |
| 3137 offset = v->offset + v->type->size(); | |
| 3138 } | |
| 3139 elements->push(e); | |
| 3140 } | |
| 3141 | |
| 3142 type = sd->type; | |
| 3143 return this; | |
| 3144 } | |
| 3145 | |
| 3146 /************************************** | |
| 3147 * Gets expression at offset of type. | |
| 3148 * Returns NULL if not found. | |
| 3149 */ | |
| 3150 | |
| 3151 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
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|
3152 { |
|
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diff
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|
3153 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
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|
3154 // /*toChars()*/"", type->toChars(), offset); |
|
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diff
changeset
|
3155 Expression *e = NULL; |
| 159 | 3156 int i = getFieldIndex(type, offset); |
| 3157 | |
| 3158 if (i != -1) | |
|
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diff
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|
3159 { |
|
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diff
changeset
|
3160 //printf("\ti = %d\n", i); |
|
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|
3161 assert(i < elements->dim); |
|
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|
3162 e = (Expression *)elements->data[i]; |
| 159 | 3163 if (e) |
| 3164 { | |
| 3165 e = e->copy(); | |
| 3166 e->type = type; | |
| 3167 } | |
| 3168 } | |
| 3169 return e; | |
| 3170 } | |
| 3171 | |
| 3172 /************************************ | |
| 3173 * Get index of field. | |
| 3174 * Returns -1 if not found. | |
| 3175 */ | |
| 3176 | |
| 3177 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3178 { | |
| 3179 /* Find which field offset is by looking at the field offsets | |
| 3180 */ | |
| 3181 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3182 { | |
| 3183 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3184 VarDeclaration *v = s->isVarDeclaration(); | |
| 3185 assert(v); | |
| 3186 | |
| 3187 if (offset == v->offset && | |
| 3188 type->size() == v->type->size()) | |
| 3189 { Expression *e = (Expression *)elements->data[i]; | |
| 3190 if (e) | |
| 3191 { | |
| 3192 return i; | |
| 3193 } | |
| 3194 break; | |
| 3195 } | |
| 3196 } | |
| 3197 return -1; | |
| 3198 } | |
| 3199 | |
|
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|
3200 #if DMDV2 |
|
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|
3201 int StructLiteralExp::isLvalue() |
|
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|
3202 { |
|
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|
3203 return 1; |
|
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|
3204 } |
|
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|
3205 #endif |
| 159 | 3206 |
| 3207 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3208 { | |
| 3209 return this; | |
| 3210 } | |
| 3211 | |
| 3212 | |
| 3213 int StructLiteralExp::checkSideEffect(int flag) | |
| 3214 { int f = 0; | |
| 3215 | |
| 3216 for (size_t i = 0; i < elements->dim; i++) | |
| 3217 { Expression *e = (Expression *)elements->data[i]; | |
| 3218 if (!e) | |
| 3219 continue; | |
| 3220 | |
| 3221 f |= e->checkSideEffect(2); | |
| 3222 } | |
| 3223 if (flag == 0 && f == 0) | |
| 3224 Expression::checkSideEffect(0); | |
| 3225 return f; | |
| 3226 } | |
| 3227 | |
|
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|
3228 #if DMDV2 |
|
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|
3229 int StructLiteralExp::canThrow() |
|
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|
3230 { |
|
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|
3231 return arrayExpressionCanThrow(elements); |
|
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|
3232 } |
|
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|
3233 #endif |
|
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|
3234 |
| 159 | 3235 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3236 { | |
| 3237 buf->writestring(sd->toChars()); | |
| 3238 buf->writeByte('('); | |
| 3239 argsToCBuffer(buf, elements, hgs); | |
| 3240 buf->writeByte(')'); | |
| 3241 } | |
| 3242 | |
| 3243 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3244 { | |
| 3245 size_t dim = elements ? elements->dim : 0; | |
| 3246 buf->printf("S%u", dim); | |
| 3247 for (size_t i = 0; i < dim; i++) | |
| 3248 { Expression *e = (Expression *)elements->data[i]; | |
| 3249 if (e) | |
| 3250 e->toMangleBuffer(buf); | |
| 3251 else | |
| 3252 buf->writeByte('v'); // 'v' for void | |
| 3253 } | |
| 3254 } | |
| 3255 | |
| 3256 /************************ TypeDotIdExp ************************************/ | |
| 3257 | |
| 3258 /* Things like: | |
| 3259 * int.size | |
| 3260 * foo.size | |
| 3261 * (foo).size | |
| 3262 * cast(foo).size | |
| 3263 */ | |
| 3264 | |
| 3265 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3266 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3267 { | |
| 3268 this->type = type; | |
| 3269 this->ident = ident; | |
| 3270 } | |
| 3271 | |
| 3272 Expression *TypeDotIdExp::syntaxCopy() | |
| 3273 { | |
| 3274 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3275 return te; | |
| 3276 } | |
| 3277 | |
| 3278 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3279 { Expression *e; | |
| 3280 | |
| 3281 #if LOGSEMANTIC | |
| 3282 printf("TypeDotIdExp::semantic()\n"); | |
| 3283 #endif | |
| 3284 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3285 e = e->semantic(sc); | |
| 3286 return e; | |
| 3287 } | |
| 3288 | |
| 3289 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3290 { | |
| 3291 buf->writeByte('('); | |
| 3292 type->toCBuffer(buf, NULL, hgs); | |
| 3293 buf->writeByte(')'); | |
| 3294 buf->writeByte('.'); | |
| 3295 buf->writestring(ident->toChars()); | |
| 3296 } | |
| 3297 | |
| 3298 /************************************************************/ | |
| 3299 | |
| 3300 // Mainly just a placeholder | |
| 3301 | |
| 3302 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3303 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3304 { | |
| 3305 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3306 this->type = type; | |
| 3307 } | |
| 3308 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3309 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3310 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3311 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3312 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3313 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3314 |
| 159 | 3315 Expression *TypeExp::semantic(Scope *sc) |
| 3316 { | |
| 3317 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3318 type = type->semantic(loc, sc); | |
| 3319 return this; | |
| 3320 } | |
| 3321 | |
| 3322 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3323 { | |
| 3324 type->toCBuffer(buf, NULL, hgs); | |
| 3325 } | |
| 3326 | |
| 3327 /************************************************************/ | |
| 3328 | |
| 3329 // Mainly just a placeholder | |
| 3330 | |
| 3331 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3332 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3333 { | |
| 3334 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3335 //static int count; if (++count == 38) *(char*)0=0; | |
| 3336 this->sds = pkg; | |
| 3337 } | |
| 3338 | |
| 3339 Expression *ScopeExp::syntaxCopy() | |
| 3340 { | |
| 3341 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3342 return se; | |
| 3343 } | |
| 3344 | |
| 3345 Expression *ScopeExp::semantic(Scope *sc) | |
| 3346 { | |
| 3347 TemplateInstance *ti; | |
| 3348 ScopeDsymbol *sds2; | |
| 3349 | |
| 3350 #if LOGSEMANTIC | |
| 3351 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3352 #endif | |
| 3353 Lagain: | |
| 3354 ti = sds->isTemplateInstance(); | |
| 3355 if (ti && !global.errors) | |
| 3356 { Dsymbol *s; | |
| 3357 if (!ti->semanticdone) | |
| 3358 ti->semantic(sc); | |
| 3359 s = ti->inst->toAlias(); | |
| 3360 sds2 = s->isScopeDsymbol(); | |
| 3361 if (!sds2) | |
| 3362 { Expression *e; | |
| 3363 | |
| 3364 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3365 if (ti->withsym) | |
| 3366 { | |
| 3367 // Same as wthis.s | |
| 3368 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3369 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3370 } | |
| 3371 else | |
| 3372 e = new DsymbolExp(loc, s); | |
| 3373 e = e->semantic(sc); | |
| 3374 //printf("-1ScopeExp::semantic()\n"); | |
| 3375 return e; | |
| 3376 } | |
| 3377 if (sds2 != sds) | |
| 3378 { | |
| 3379 sds = sds2; | |
| 3380 goto Lagain; | |
| 3381 } | |
| 3382 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3383 } | |
| 3384 else | |
| 3385 { | |
| 3386 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3387 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3388 sds->semantic(sc); | |
| 3389 } | |
| 3390 type = Type::tvoid; | |
| 3391 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3392 return this; | |
| 3393 } | |
| 3394 | |
| 3395 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3396 { | |
| 3397 if (sds->isTemplateInstance()) | |
| 3398 { | |
| 3399 sds->toCBuffer(buf, hgs); | |
| 3400 } | |
| 3401 else | |
| 3402 { | |
| 3403 buf->writestring(sds->kind()); | |
| 3404 buf->writestring(" "); | |
| 3405 buf->writestring(sds->toChars()); | |
| 3406 } | |
| 3407 } | |
| 3408 | |
| 3409 /********************** TemplateExp **************************************/ | |
| 3410 | |
| 3411 // Mainly just a placeholder | |
| 3412 | |
| 3413 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3414 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3415 { | |
| 3416 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3417 this->td = td; | |
| 3418 } | |
| 3419 | |
| 3420 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3421 { | |
| 3422 buf->writestring(td->toChars()); | |
| 3423 } | |
| 3424 | |
| 3425 void TemplateExp::rvalue() | |
| 3426 { | |
| 3427 error("template %s has no value", toChars()); | |
| 3428 } | |
| 3429 | |
| 3430 /********************** NewExp **************************************/ | |
| 3431 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3432 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3433 |
| 159 | 3434 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3435 Type *newtype, Expressions *arguments) | |
| 3436 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3437 { | |
| 3438 this->thisexp = thisexp; | |
| 3439 this->newargs = newargs; | |
| 3440 this->newtype = newtype; | |
| 3441 this->arguments = arguments; | |
| 3442 member = NULL; | |
| 3443 allocator = NULL; | |
| 3444 onstack = 0; | |
| 3445 } | |
| 3446 | |
| 3447 Expression *NewExp::syntaxCopy() | |
| 3448 { | |
| 3449 return new NewExp(loc, | |
| 3450 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3451 arraySyntaxCopy(newargs), | |
| 3452 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3453 } | |
| 3454 | |
| 3455 | |
| 3456 Expression *NewExp::semantic(Scope *sc) | |
| 3457 { int i; | |
| 3458 Type *tb; | |
| 3459 ClassDeclaration *cdthis = NULL; | |
| 3460 | |
| 3461 #if LOGSEMANTIC | |
| 3462 printf("NewExp::semantic() %s\n", toChars()); | |
| 3463 if (thisexp) | |
| 3464 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3465 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3466 #endif | |
| 3467 if (type) // if semantic() already run | |
| 3468 return this; | |
| 3469 | |
| 3470 Lagain: | |
| 3471 if (thisexp) | |
| 3472 { thisexp = thisexp->semantic(sc); | |
| 3473 cdthis = thisexp->type->isClassHandle(); | |
| 3474 if (cdthis) | |
| 3475 { | |
| 3476 sc = sc->push(cdthis); | |
| 3477 type = newtype->semantic(loc, sc); | |
| 3478 sc = sc->pop(); | |
| 3479 } | |
| 3480 else | |
| 3481 { | |
| 3482 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3483 type = newtype->semantic(loc, sc); | |
| 3484 } | |
| 3485 } | |
| 3486 else | |
| 3487 type = newtype->semantic(loc, sc); | |
| 3488 newtype = type; // in case type gets cast to something else | |
| 3489 tb = type->toBasetype(); | |
| 3490 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3491 | |
| 3492 arrayExpressionSemantic(newargs, sc); | |
| 3493 preFunctionArguments(loc, sc, newargs); | |
| 3494 arrayExpressionSemantic(arguments, sc); | |
| 3495 preFunctionArguments(loc, sc, arguments); | |
| 3496 | |
| 3497 if (thisexp && tb->ty != Tclass) | |
| 3498 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3499 | |
| 3500 if (tb->ty == Tclass) | |
| 3501 { TypeFunction *tf; | |
| 3502 | |
| 3503 TypeClass *tc = (TypeClass *)(tb); | |
| 3504 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3505 if (cd->isInterfaceDeclaration()) | |
| 3506 error("cannot create instance of interface %s", cd->toChars()); | |
| 3507 else if (cd->isAbstract()) | |
| 3508 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3509 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3510 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3511 if (fd && fd->isAbstract()) | |
| 3512 error("function %s is abstract", fd->toChars()); | |
| 3513 } | |
| 3514 } | |
| 3515 checkDeprecated(sc, cd); | |
| 3516 if (cd->isNested()) | |
| 3517 { /* We need a 'this' pointer for the nested class. | |
| 3518 * Ensure we have the right one. | |
| 3519 */ | |
| 3520 Dsymbol *s = cd->toParent2(); | |
| 3521 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
|
3522 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3523 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3524 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3525 if (cdn) |
| 3526 { | |
| 3527 if (!cdthis) | |
| 3528 { | |
| 3529 // Supply an implicit 'this' and try again | |
| 3530 thisexp = new ThisExp(loc); | |
| 3531 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3532 { if (!sp) | |
| 3533 { | |
| 3534 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3535 break; | |
| 3536 } | |
| 3537 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3538 if (!cdp) | |
| 3539 continue; | |
| 3540 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3541 break; | |
| 3542 // Add a '.outer' and try again | |
| 3543 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3544 } | |
| 3545 if (!global.errors) | |
| 3546 goto Lagain; | |
| 3547 } | |
| 3548 if (cdthis) | |
| 3549 { | |
| 3550 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3551 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3552 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3553 } | |
| 3554 #if 0 | |
| 3555 else | |
| 3556 { | |
| 3557 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3558 { | |
| 3559 if (!sf) | |
| 3560 { | |
| 3561 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3562 break; | |
| 3563 } | |
| 3564 printf("sf = %s\n", sf->toChars()); | |
| 3565 AggregateDeclaration *ad = sf->isThis(); | |
| 3566 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3567 break; | |
| 3568 } | |
| 3569 } | |
| 3570 #endif | |
| 3571 } | |
| 3572 else if (thisexp) | |
| 3573 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
|
3574 else if (fdn) |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3575 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3576 // 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
|
3577 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
|
3578 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3579 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
|
3580 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3581 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
|
3582 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
|
3583 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3584 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
|
3585 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3586 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3587 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3588 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3589 } |
| 159 | 3590 } |
| 3591 else if (thisexp) | |
| 3592 error("e.new is only for allocating nested classes"); | |
| 3593 | |
| 3594 FuncDeclaration *f = cd->ctor; | |
| 3595 if (f) | |
| 3596 { | |
| 3597 assert(f); | |
| 3598 f = f->overloadResolve(loc, arguments); | |
| 3599 checkDeprecated(sc, f); | |
| 3600 member = f->isCtorDeclaration(); | |
| 3601 assert(member); | |
| 3602 | |
| 3603 cd->accessCheck(loc, sc, member); | |
| 3604 | |
| 3605 tf = (TypeFunction *)f->type; | |
| 3606 type = tf->next; | |
| 3607 | |
| 3608 if (!arguments) | |
| 3609 arguments = new Expressions(); | |
| 3610 functionArguments(loc, sc, tf, arguments); | |
| 3611 } | |
| 3612 else | |
| 3613 { | |
| 3614 if (arguments && arguments->dim) | |
| 3615 error("no constructor for %s", cd->toChars()); | |
| 3616 } | |
| 3617 | |
| 3618 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3619 { |
| 159 | 3620 // Prepend the uint size argument to newargs[] |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3621 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tuns32); |
| 159 | 3622 if (!newargs) |
| 3623 newargs = new Expressions(); | |
| 3624 newargs->shift(e); | |
| 3625 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3626 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3627 allocator = f->isNewDeclaration(); |
| 3628 assert(allocator); | |
| 3629 | |
| 3630 tf = (TypeFunction *)f->type; | |
| 3631 functionArguments(loc, sc, tf, newargs); | |
| 3632 } | |
| 3633 else | |
| 3634 { | |
| 3635 if (newargs && newargs->dim) | |
| 3636 error("no allocator for %s", cd->toChars()); | |
| 3637 } | |
| 3638 } | |
| 3639 else if (tb->ty == Tstruct) | |
| 3640 { | |
| 3641 TypeStruct *ts = (TypeStruct *)tb; | |
| 3642 StructDeclaration *sd = ts->sym; | |
| 3643 FuncDeclaration *f = sd->aggNew; | |
| 3644 TypeFunction *tf; | |
| 3645 | |
| 3646 if (arguments && arguments->dim) | |
| 3647 error("no constructor for %s", type->toChars()); | |
| 3648 | |
| 3649 if (f) | |
| 3650 { | |
| 3651 Expression *e; | |
| 3652 | |
| 3653 // Prepend the uint size argument to newargs[] | |
| 3654 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3655 if (!newargs) | |
| 3656 newargs = new Expressions(); | |
| 3657 newargs->shift(e); | |
| 3658 | |
| 3659 f = f->overloadResolve(loc, newargs); | |
| 3660 allocator = f->isNewDeclaration(); | |
| 3661 assert(allocator); | |
| 3662 | |
| 3663 tf = (TypeFunction *)f->type; | |
| 3664 functionArguments(loc, sc, tf, newargs); | |
| 3665 | |
| 3666 e = new VarExp(loc, f); | |
| 3667 e = new CallExp(loc, e, newargs); | |
| 3668 e = e->semantic(sc); | |
| 3669 e->type = type->pointerTo(); | |
| 3670 return e; | |
| 3671 } | |
| 3672 | |
| 3673 type = type->pointerTo(); | |
| 3674 } | |
| 3675 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3676 { | |
| 3677 for (size_t i = 0; i < arguments->dim; i++) | |
| 3678 { | |
| 3679 if (tb->ty != Tarray) | |
| 3680 { error("too many arguments for array"); | |
| 3681 arguments->dim = i; | |
| 3682 break; | |
| 3683 } | |
| 3684 | |
| 3685 Expression *arg = (Expression *)arguments->data[i]; | |
| 3686 arg = resolveProperties(sc, arg); | |
| 3687 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3688 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3689 error("negative array index %s", arg->toChars()); | |
| 3690 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
|
3691 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3692 } |
| 3693 } | |
| 3694 else if (tb->isscalar()) | |
| 3695 { | |
| 3696 if (arguments && arguments->dim) | |
| 3697 error("no constructor for %s", type->toChars()); | |
| 3698 | |
| 3699 type = type->pointerTo(); | |
| 3700 } | |
| 3701 else | |
| 3702 { | |
| 3703 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3704 type = type->pointerTo(); | |
| 3705 } | |
| 3706 | |
| 3707 //printf("NewExp: '%s'\n", toChars()); | |
| 3708 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3709 | |
| 3710 return this; | |
| 3711 } | |
| 3712 | |
| 3713 int NewExp::checkSideEffect(int flag) | |
| 3714 { | |
| 3715 return 1; | |
| 3716 } | |
| 3717 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3718 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3719 int NewExp::canThrow() |
|
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846
diff
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|
3720 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3721 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3722 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3723 #endif |
|
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Merged DMD 1.038
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diff
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|
3724 |
| 159 | 3725 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3726 { int i; | |
| 3727 | |
| 3728 if (thisexp) | |
| 3729 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3730 buf->writeByte('.'); | |
| 3731 } | |
| 3732 buf->writestring("new "); | |
| 3733 if (newargs && newargs->dim) | |
| 3734 { | |
| 3735 buf->writeByte('('); | |
| 3736 argsToCBuffer(buf, newargs, hgs); | |
| 3737 buf->writeByte(')'); | |
| 3738 } | |
| 3739 newtype->toCBuffer(buf, NULL, hgs); | |
| 3740 if (arguments && arguments->dim) | |
| 3741 { | |
| 3742 buf->writeByte('('); | |
| 3743 argsToCBuffer(buf, arguments, hgs); | |
| 3744 buf->writeByte(')'); | |
| 3745 } | |
| 3746 } | |
| 3747 | |
| 3748 /********************** NewAnonClassExp **************************************/ | |
| 3749 | |
| 3750 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3751 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3752 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3753 { | |
| 3754 this->thisexp = thisexp; | |
| 3755 this->newargs = newargs; | |
| 3756 this->cd = cd; | |
| 3757 this->arguments = arguments; | |
| 3758 } | |
| 3759 | |
| 3760 Expression *NewAnonClassExp::syntaxCopy() | |
| 3761 { | |
| 3762 return new NewAnonClassExp(loc, | |
| 3763 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3764 arraySyntaxCopy(newargs), | |
| 3765 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3766 arraySyntaxCopy(arguments)); | |
| 3767 } | |
| 3768 | |
| 3769 | |
| 3770 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3771 { | |
| 3772 #if LOGSEMANTIC | |
| 3773 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3774 //printf("thisexp = %p\n", thisexp); |
| 159 | 3775 //printf("type: %s\n", type->toChars()); |
| 3776 #endif | |
| 3777 | |
| 3778 Expression *d = new DeclarationExp(loc, cd); | |
| 3779 d = d->semantic(sc); | |
| 3780 | |
| 3781 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3782 | |
| 3783 Expression *c = new CommaExp(loc, d, n); | |
| 3784 return c->semantic(sc); | |
| 3785 } | |
| 3786 | |
| 3787 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3788 { | |
| 3789 return 1; | |
| 3790 } | |
| 3791 | |
|
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|
3792 #if DMDV2 |
|
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|
3793 int NewAnonClassExp::canThrow() |
|
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Merged DMD 1.038
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846
diff
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|
3794 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3795 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3796 } |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3797 #endif |
|
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diff
changeset
|
3798 |
| 159 | 3799 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3800 { int i; | |
| 3801 | |
| 3802 if (thisexp) | |
| 3803 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3804 buf->writeByte('.'); | |
| 3805 } | |
| 3806 buf->writestring("new"); | |
| 3807 if (newargs && newargs->dim) | |
| 3808 { | |
| 3809 buf->writeByte('('); | |
| 3810 argsToCBuffer(buf, newargs, hgs); | |
| 3811 buf->writeByte(')'); | |
| 3812 } | |
| 3813 buf->writestring(" class "); | |
| 3814 if (arguments && arguments->dim) | |
| 3815 { | |
| 3816 buf->writeByte('('); | |
| 3817 argsToCBuffer(buf, arguments, hgs); | |
| 3818 buf->writeByte(')'); | |
| 3819 } | |
| 3820 //buf->writestring(" { }"); | |
| 3821 if (cd) | |
| 3822 { | |
| 3823 cd->toCBuffer(buf, hgs); | |
| 3824 } | |
| 3825 } | |
| 3826 | |
|
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Merged DMD 1.038
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diff
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|
3827 /********************** SymbolExp **************************************/ |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3828 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3829 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3830 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
|
3831 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3832 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3833 assert(var); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3834 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3835 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3836 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3837 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3838 |
| 159 | 3839 /********************** SymOffExp **************************************/ |
| 3840 | |
| 3841 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3842 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3843 { | |
| 3844 assert(var); | |
| 3845 this->var = var; | |
| 3846 this->offset = offset; | |
| 3847 VarDeclaration *v = var->isVarDeclaration(); | |
| 3848 if (v && v->needThis()) | |
| 3849 error("need 'this' for address of %s", v->toChars()); | |
| 3850 } | |
| 3851 | |
| 3852 Expression *SymOffExp::semantic(Scope *sc) | |
| 3853 { | |
| 3854 #if LOGSEMANTIC | |
| 3855 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3856 #endif | |
| 3857 //var->semantic(sc); | |
| 3858 if (!type) | |
| 3859 type = var->type->pointerTo(); | |
| 3860 VarDeclaration *v = var->isVarDeclaration(); | |
| 3861 if (v) | |
| 3862 { | |
| 3863 v->checkNestedReference(sc, loc); | |
| 3864 } | |
| 3865 return this; | |
| 3866 } | |
| 3867 | |
| 3868 int SymOffExp::isBool(int result) | |
| 3869 { | |
| 3870 return result ? TRUE : FALSE; | |
| 3871 } | |
| 3872 | |
| 3873 void SymOffExp::checkEscape() | |
| 3874 { | |
| 3875 VarDeclaration *v = var->isVarDeclaration(); | |
| 3876 if (v) | |
| 3877 { | |
| 3878 if (!v->isDataseg()) | |
| 3879 error("escaping reference to local variable %s", v->toChars()); | |
| 3880 } | |
| 3881 } | |
| 3882 | |
| 3883 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3884 { | |
| 3885 if (offset) | |
| 3886 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3887 else | |
| 3888 buf->printf("& %s", var->toChars()); | |
| 3889 } | |
| 3890 | |
| 3891 /******************************** VarExp **************************/ | |
| 3892 | |
| 3893 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3894 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3895 { | |
| 3896 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3897 this->var = var; | |
| 3898 this->type = var->type; | |
| 3899 } | |
| 3900 | |
| 3901 int VarExp::equals(Object *o) | |
| 3902 { VarExp *ne; | |
| 3903 | |
| 3904 if (this == o || | |
| 3905 (((Expression *)o)->op == TOKvar && | |
| 3906 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3907 var == ne->var)) | |
| 3908 return 1; | |
| 3909 return 0; | |
| 3910 } | |
| 3911 | |
| 3912 Expression *VarExp::semantic(Scope *sc) | |
| 3913 { FuncLiteralDeclaration *fd; | |
| 3914 | |
| 3915 #if LOGSEMANTIC | |
| 3916 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3917 #endif | |
| 3918 if (!type) | |
| 3919 { type = var->type; | |
| 3920 #if 0 | |
| 3921 if (var->storage_class & STClazy) | |
| 3922 { | |
| 3923 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3924 type = new TypeDelegate(tf); | |
| 3925 type = type->semantic(loc, sc); | |
| 3926 } | |
| 3927 #endif | |
| 3928 } | |
|
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diff
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|
3929 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
3930 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3931 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3932 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3933 //accessCheck(loc, sc, NULL, var); |
| 159 | 3934 |
| 3935 VarDeclaration *v = var->isVarDeclaration(); | |
| 3936 if (v) | |
| 3937 { | |
| 3938 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3939 { | |
| 3940 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3941 if (ei) | |
| 3942 { | |
| 3943 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3944 return ei->exp->implicitCastTo(sc, type); | |
| 3945 } | |
| 3946 } | |
| 3947 v->checkNestedReference(sc, loc); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3948 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3949 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
|
3950 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3951 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3952 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
|
3953 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3954 #endif |
| 159 | 3955 } |
| 3956 #if 0 | |
| 3957 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3958 { Expression *e; | |
| 3959 e = new FuncExp(loc, fd); | |
| 3960 e->type = type; | |
| 3961 return e; | |
| 3962 } | |
| 3963 #endif | |
| 3964 return this; | |
| 3965 } | |
| 3966 | |
| 3967 char *VarExp::toChars() | |
| 3968 { | |
| 3969 return var->toChars(); | |
| 3970 } | |
| 3971 | |
| 3972 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3973 { | |
| 3974 buf->writestring(var->toChars()); | |
| 3975 } | |
| 3976 | |
| 3977 void VarExp::checkEscape() | |
| 3978 { | |
| 3979 VarDeclaration *v = var->isVarDeclaration(); | |
| 3980 if (v) | |
| 3981 { Type *tb = v->type->toBasetype(); | |
| 3982 // if reference type | |
| 3983 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 3984 { | |
| 3985 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 3986 error("escaping reference to auto local %s", v->toChars()); | |
| 3987 else if (v->storage_class & STCvariadic) | |
| 3988 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 3989 } | |
| 3990 } | |
| 3991 } | |
| 3992 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3993 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3994 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3995 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3996 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3997 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3998 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3999 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4000 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4001 |
| 159 | 4002 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4003 { | |
| 4004 #if 0 | |
| 4005 tym = tybasic(e1->ET->Tty); | |
| 4006 if (!(tyscalar(tym) || | |
| 4007 tym == TYstruct || | |
| 4008 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4009 synerr(EM_lvalue); // lvalue expected | |
| 4010 #endif | |
| 4011 if (var->storage_class & STClazy) | |
| 4012 error("lazy variables cannot be lvalues"); | |
| 4013 return this; | |
| 4014 } | |
| 4015 | |
| 4016 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4017 { | |
| 4018 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4019 if (sc->incontract && var->isParameter()) | |
| 4020 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4021 | |
| 4022 if (type && type->toBasetype()->ty == Tsarray) | |
| 4023 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4024 | |
| 4025 VarDeclaration *v = var->isVarDeclaration(); | |
| 4026 if (v && v->canassign == 0 && | |
| 4027 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4028 error("cannot modify final variable '%s'", var->toChars()); | |
| 4029 | |
| 4030 if (var->isCtorinit()) | |
| 4031 { // It's only modifiable if inside the right constructor | |
| 4032 Dsymbol *s = sc->func; | |
| 4033 while (1) | |
| 4034 { | |
| 4035 FuncDeclaration *fd = NULL; | |
| 4036 if (s) | |
| 4037 fd = s->isFuncDeclaration(); | |
| 4038 if (fd && | |
| 4039 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4040 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4041 fd->toParent() == var->toParent() | |
| 4042 ) | |
| 4043 { | |
| 4044 VarDeclaration *v = var->isVarDeclaration(); | |
| 4045 assert(v); | |
| 4046 v->ctorinit = 1; | |
| 4047 //printf("setting ctorinit\n"); | |
| 4048 } | |
| 4049 else | |
| 4050 { | |
| 4051 if (s) | |
| 4052 { s = s->toParent2(); | |
| 4053 continue; | |
| 4054 } | |
| 4055 else | |
| 4056 { | |
| 4057 const char *p = var->isStatic() ? "static " : ""; | |
| 4058 error("can only initialize %sconst %s inside %sconstructor", | |
| 4059 p, var->toChars(), p); | |
| 4060 } | |
| 4061 } | |
| 4062 break; | |
| 4063 } | |
| 4064 } | |
| 4065 | |
| 4066 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4067 return toLvalue(sc, e); | |
| 4068 } | |
| 4069 | |
| 4070 | |
|
510
6aee82889553
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diff
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|
4071 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4072 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4073 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4074 OverExp::OverExp(OverloadSet *s) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
4075 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
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diff
changeset
|
4076 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4077 //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>
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diff
changeset
|
4078 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4079 type = Type::tvoid; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4080 } |
|
6aee82889553
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|
4081 |
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|
4082 int OverExp::isLvalue() |
|
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4083 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4084 return 1; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4085 } |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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|
4086 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4087 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
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4088 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4089 return this; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
4090 } |
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|
4091 #endif |
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|
4092 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4093 |
| 159 | 4094 /******************************** TupleExp **************************/ |
| 4095 | |
| 4096 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4097 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4098 { | |
| 4099 //printf("TupleExp(this = %p)\n", this); | |
| 4100 this->exps = exps; | |
| 4101 this->type = NULL; | |
| 4102 } | |
| 4103 | |
| 4104 | |
| 4105 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4106 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4107 { | |
| 4108 exps = new Expressions(); | |
| 4109 type = NULL; | |
| 4110 | |
| 4111 exps->reserve(tup->objects->dim); | |
| 4112 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4113 { Object *o = (Object *)tup->objects->data[i]; | |
| 4114 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4115 { | |
| 4116 Expression *e = (Expression *)o; | |
| 4117 e = e->syntaxCopy(); | |
| 4118 exps->push(e); | |
| 4119 } | |
| 4120 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4121 { | |
| 4122 Dsymbol *s = (Dsymbol *)o; | |
| 4123 Expression *e = new DsymbolExp(loc, s); | |
| 4124 exps->push(e); | |
| 4125 } | |
| 4126 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4127 { | |
| 4128 Type *t = (Type *)o; | |
| 4129 Expression *e = new TypeExp(loc, t); | |
| 4130 exps->push(e); | |
| 4131 } | |
| 4132 else | |
| 4133 { | |
| 4134 error("%s is not an expression", o->toChars()); | |
| 4135 } | |
| 4136 } | |
| 4137 } | |
| 4138 | |
| 4139 int TupleExp::equals(Object *o) | |
| 4140 { TupleExp *ne; | |
| 4141 | |
| 4142 if (this == o) | |
| 4143 return 1; | |
| 4144 if (((Expression *)o)->op == TOKtuple) | |
| 4145 { | |
| 4146 TupleExp *te = (TupleExp *)o; | |
| 4147 if (exps->dim != te->exps->dim) | |
| 4148 return 0; | |
| 4149 for (size_t i = 0; i < exps->dim; i++) | |
| 4150 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4151 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4152 | |
| 4153 if (!e1->equals(e2)) | |
| 4154 return 0; | |
| 4155 } | |
| 4156 return 1; | |
| 4157 } | |
| 4158 return 0; | |
| 4159 } | |
| 4160 | |
| 4161 Expression *TupleExp::syntaxCopy() | |
| 4162 { | |
| 4163 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4164 } | |
| 4165 | |
| 4166 Expression *TupleExp::semantic(Scope *sc) | |
| 4167 { | |
| 4168 #if LOGSEMANTIC | |
| 4169 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4170 #endif | |
| 4171 if (type) | |
| 4172 return this; | |
| 4173 | |
| 4174 // Run semantic() on each argument | |
| 4175 for (size_t i = 0; i < exps->dim; i++) | |
| 4176 { Expression *e = (Expression *)exps->data[i]; | |
| 4177 | |
| 4178 e = e->semantic(sc); | |
| 4179 if (!e->type) | |
| 4180 { error("%s has no value", e->toChars()); | |
| 4181 e->type = Type::terror; | |
| 4182 } | |
| 4183 exps->data[i] = (void *)e; | |
| 4184 } | |
| 4185 | |
| 4186 expandTuples(exps); | |
| 4187 if (0 && exps->dim == 1) | |
| 4188 { | |
| 4189 return (Expression *)exps->data[0]; | |
| 4190 } | |
| 4191 type = new TypeTuple(exps); | |
| 4192 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4193 return this; | |
| 4194 } | |
| 4195 | |
| 4196 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4197 { | |
| 4198 buf->writestring("tuple("); | |
| 4199 argsToCBuffer(buf, exps, hgs); | |
| 4200 buf->writeByte(')'); | |
| 4201 } | |
| 4202 | |
| 4203 int TupleExp::checkSideEffect(int flag) | |
| 4204 { int f = 0; | |
| 4205 | |
| 4206 for (int i = 0; i < exps->dim; i++) | |
| 4207 { Expression *e = (Expression *)exps->data[i]; | |
| 4208 | |
| 4209 f |= e->checkSideEffect(2); | |
| 4210 } | |
| 4211 if (flag == 0 && f == 0) | |
| 4212 Expression::checkSideEffect(0); | |
| 4213 return f; | |
| 4214 } | |
| 4215 | |
|
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|
4216 #if DMDV2 |
|
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|
4217 int TupleExp::canThrow() |
|
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|
4218 { |
|
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parents:
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|
4219 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
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|
4220 } |
|
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|
4221 #endif |
|
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|
4222 |
| 159 | 4223 void TupleExp::checkEscape() |
| 4224 { | |
| 4225 for (size_t i = 0; i < exps->dim; i++) | |
| 4226 { Expression *e = (Expression *)exps->data[i]; | |
| 4227 e->checkEscape(); | |
| 4228 } | |
| 4229 } | |
| 4230 | |
| 4231 /******************************** FuncExp *********************************/ | |
| 4232 | |
| 4233 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4234 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4235 { | |
| 4236 this->fd = fd; | |
| 4237 } | |
| 4238 | |
| 4239 Expression *FuncExp::syntaxCopy() | |
| 4240 { | |
| 4241 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4242 } | |
| 4243 | |
| 4244 Expression *FuncExp::semantic(Scope *sc) | |
| 4245 { | |
| 4246 #if LOGSEMANTIC | |
| 4247 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4248 #endif | |
| 4249 if (!type) | |
| 4250 { | |
| 4251 fd->semantic(sc); | |
| 4252 fd->parent = sc->parent; | |
| 4253 if (global.errors) | |
| 4254 { | |
| 4255 if (!fd->type->next) | |
| 4256 fd->type->next = Type::terror; | |
| 4257 } | |
| 4258 else | |
| 4259 { | |
| 4260 fd->semantic2(sc); | |
| 4261 if (!global.errors) | |
| 4262 { | |
| 4263 fd->semantic3(sc); | |
| 4264 | |
| 4265 if (!global.errors && global.params.useInline) | |
| 4266 fd->inlineScan(); | |
| 4267 } | |
| 4268 } | |
| 4269 | |
| 4270 // Type is a "delegate to" or "pointer to" the function literal | |
| 4271 if (fd->isNested()) | |
| 4272 { | |
| 4273 type = new TypeDelegate(fd->type); | |
| 4274 type = type->semantic(loc, sc); | |
| 4275 } | |
| 4276 else | |
| 4277 { | |
| 4278 type = fd->type->pointerTo(); | |
| 4279 } | |
| 4280 } | |
| 4281 return this; | |
| 4282 } | |
| 4283 | |
| 4284 char *FuncExp::toChars() | |
| 4285 { | |
| 4286 return fd->toChars(); | |
| 4287 } | |
| 4288 | |
| 4289 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4290 { | |
| 4291 buf->writestring(fd->toChars()); | |
| 4292 } | |
| 4293 | |
| 4294 | |
| 4295 /******************************** DeclarationExp **************************/ | |
| 4296 | |
| 4297 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4298 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4299 { | |
| 4300 this->declaration = declaration; | |
| 4301 } | |
| 4302 | |
| 4303 Expression *DeclarationExp::syntaxCopy() | |
| 4304 { | |
| 4305 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4306 } | |
| 4307 | |
| 4308 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4309 { | |
| 4310 if (type) | |
| 4311 return this; | |
| 4312 | |
| 4313 #if LOGSEMANTIC | |
| 4314 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4315 #endif | |
| 4316 | |
| 4317 /* This is here to support extern(linkage) declaration, | |
| 4318 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4319 * wrapper. | |
| 4320 */ | |
| 4321 Dsymbol *s = declaration; | |
| 4322 | |
| 4323 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4324 if (ad) | |
| 4325 { | |
| 4326 if (ad->decl && ad->decl->dim == 1) | |
| 4327 s = (Dsymbol *)ad->decl->data[0]; | |
| 4328 } | |
| 4329 | |
| 4330 if (s->isVarDeclaration()) | |
| 4331 { // Do semantic() on initializer first, so: | |
| 4332 // int a = a; | |
| 4333 // will be illegal. | |
| 4334 declaration->semantic(sc); | |
| 4335 s->parent = sc->parent; | |
| 4336 } | |
| 4337 | |
| 4338 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4339 // Insert into both local scope and function scope. | |
| 4340 // Must be unique in both. | |
| 4341 if (s->ident) | |
| 4342 { | |
| 4343 if (!sc->insert(s)) | |
| 4344 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4345 else if (sc->func) | |
| 4346 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4347 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4348 !sc->func->localsymtab->insert(s)) | |
| 4349 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4350 else if (!global.params.useDeprecated) | |
| 4351 { // Disallow shadowing | |
| 4352 | |
| 4353 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4354 { Dsymbol *s2; | |
| 4355 | |
| 4356 if (scx->scopesym && scx->scopesym->symtab && | |
| 4357 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4358 s != s2) | |
| 4359 { | |
| 4360 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4361 } | |
| 4362 } | |
| 4363 } | |
| 4364 } | |
| 4365 } | |
| 4366 if (!s->isVarDeclaration()) | |
| 4367 { | |
| 4368 declaration->semantic(sc); | |
| 4369 s->parent = sc->parent; | |
| 4370 } | |
| 4371 if (!global.errors) | |
| 4372 { | |
| 4373 declaration->semantic2(sc); | |
| 4374 if (!global.errors) | |
| 4375 { | |
| 4376 declaration->semantic3(sc); | |
| 4377 | |
| 4378 if (!global.errors && global.params.useInline) | |
| 4379 declaration->inlineScan(); | |
| 4380 } | |
| 4381 } | |
| 4382 | |
| 4383 type = Type::tvoid; | |
| 4384 return this; | |
| 4385 } | |
| 4386 | |
| 4387 int DeclarationExp::checkSideEffect(int flag) | |
| 4388 { | |
| 4389 return 1; | |
| 4390 } | |
| 4391 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4392 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4393 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4394 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4395 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4396 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
4397 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4398 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4399 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4400 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4401 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
4402 #endif |
|
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parents:
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diff
changeset
|
4403 |
| 159 | 4404 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4405 { | |
| 4406 declaration->toCBuffer(buf, hgs); | |
| 4407 } | |
| 4408 | |
| 4409 | |
| 4410 /************************ TypeidExp ************************************/ | |
| 4411 | |
| 4412 /* | |
| 4413 * typeid(int) | |
| 4414 */ | |
| 4415 | |
| 4416 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4417 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4418 { | |
| 4419 this->typeidType = typeidType; | |
| 4420 } | |
| 4421 | |
| 4422 | |
| 4423 Expression *TypeidExp::syntaxCopy() | |
| 4424 { | |
| 4425 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4426 } | |
| 4427 | |
| 4428 | |
| 4429 Expression *TypeidExp::semantic(Scope *sc) | |
| 4430 { Expression *e; | |
| 4431 | |
| 4432 #if LOGSEMANTIC | |
| 4433 printf("TypeidExp::semantic()\n"); | |
| 4434 #endif | |
| 4435 typeidType = typeidType->semantic(loc, sc); | |
| 4436 e = typeidType->getTypeInfo(sc); | |
| 336 | 4437 if (e->loc.linnum == 0) |
| 4438 e->loc = loc; // so there's at least some line number info | |
| 159 | 4439 return e; |
| 4440 } | |
| 4441 | |
| 4442 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4443 { | |
| 4444 buf->writestring("typeid("); | |
| 4445 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4446 buf->writeByte(')'); | |
| 4447 } | |
| 4448 | |
|
510
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|
4449 /************************ TraitsExp ************************************/ |
|
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diff
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|
4450 #if DMDV2 |
|
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|
4451 /* |
|
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diff
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|
4452 * __traits(identifier, args...) |
|
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diff
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|
4453 */ |
|
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|
4454 |
|
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diff
changeset
|
4455 TraitsExp::TraitsExp(Loc loc, Identifier *ident, Objects *args) |
|
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|
4456 : Expression(loc, TOKtraits, sizeof(TraitsExp)) |
|
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|
4457 { |
|
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diff
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|
4458 this->ident = ident; |
|
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|
4459 this->args = args; |
|
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diff
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|
4460 } |
|
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parents:
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diff
changeset
|
4461 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4462 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4463 Expression *TraitsExp::syntaxCopy() |
|
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|
4464 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4465 return new TraitsExp(loc, ident, TemplateInstance::arraySyntaxCopy(args)); |
|
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changeset
|
4466 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4467 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4468 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4469 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
|
4470 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4471 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
|
4472 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
|
4473 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
|
4474 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4475 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
|
4476 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4477 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
|
4478 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
|
4479 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
|
4480 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4482 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
|
4483 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4484 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4485 |
| 159 | 4486 /************************************************************/ |
| 4487 | |
| 4488 HaltExp::HaltExp(Loc loc) | |
| 4489 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4490 { | |
| 4491 } | |
| 4492 | |
| 4493 Expression *HaltExp::semantic(Scope *sc) | |
| 4494 { | |
| 4495 #if LOGSEMANTIC | |
| 4496 printf("HaltExp::semantic()\n"); | |
| 4497 #endif | |
| 4498 type = Type::tvoid; | |
| 4499 return this; | |
| 4500 } | |
| 4501 | |
| 4502 int HaltExp::checkSideEffect(int flag) | |
| 4503 { | |
| 4504 return 1; | |
| 4505 } | |
| 4506 | |
| 4507 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4508 { | |
| 4509 buf->writestring("halt"); | |
| 4510 } | |
| 4511 | |
| 4512 /************************************************************/ | |
| 4513 | |
| 4514 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4515 Type *tspec, enum TOK tok2) | |
| 4516 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4517 { | |
| 4518 this->targ = targ; | |
| 4519 this->id = id; | |
| 4520 this->tok = tok; | |
| 4521 this->tspec = tspec; | |
| 4522 this->tok2 = tok2; | |
| 4523 } | |
| 4524 | |
| 4525 Expression *IsExp::syntaxCopy() | |
| 4526 { | |
| 4527 return new IsExp(loc, | |
| 4528 targ->syntaxCopy(), | |
| 4529 id, | |
| 4530 tok, | |
| 4531 tspec ? tspec->syntaxCopy() : NULL, | |
| 4532 tok2); | |
| 4533 } | |
| 4534 | |
| 4535 Expression *IsExp::semantic(Scope *sc) | |
| 4536 { Type *tded; | |
| 4537 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4538 /* 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
|
4539 * 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
|
4540 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4541 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4542 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4543 if (id && !(sc->flags & SCOPEstaticif)) |
| 4544 error("can only declare type aliases within static if conditionals"); | |
| 4545 | |
| 4546 unsigned errors_save = global.errors; | |
| 4547 global.errors = 0; | |
| 4548 global.gag++; // suppress printing of error messages | |
| 4549 targ = targ->semantic(loc, sc); | |
| 4550 global.gag--; | |
| 4551 unsigned gerrors = global.errors; | |
| 4552 global.errors = errors_save; | |
| 4553 | |
| 4554 if (gerrors) // if any errors happened | |
| 4555 { // then condition is false | |
| 4556 goto Lno; | |
| 4557 } | |
| 4558 else if (tok2 != TOKreserved) | |
| 4559 { | |
| 4560 switch (tok2) | |
| 4561 { | |
| 4562 case TOKtypedef: | |
| 4563 if (targ->ty != Ttypedef) | |
| 4564 goto Lno; | |
| 4565 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4566 break; | |
| 4567 | |
| 4568 case TOKstruct: | |
| 4569 if (targ->ty != Tstruct) | |
| 4570 goto Lno; | |
| 4571 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4572 goto Lno; | |
| 4573 tded = targ; | |
| 4574 break; | |
| 4575 | |
| 4576 case TOKunion: | |
| 4577 if (targ->ty != Tstruct) | |
| 4578 goto Lno; | |
| 4579 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4580 goto Lno; | |
| 4581 tded = targ; | |
| 4582 break; | |
| 4583 | |
| 4584 case TOKclass: | |
| 4585 if (targ->ty != Tclass) | |
| 4586 goto Lno; | |
| 4587 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4588 goto Lno; | |
| 4589 tded = targ; | |
| 4590 break; | |
| 4591 | |
| 4592 case TOKinterface: | |
| 4593 if (targ->ty != Tclass) | |
| 4594 goto Lno; | |
| 4595 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4596 goto Lno; | |
| 4597 tded = targ; | |
| 4598 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
|
4599 #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
|
4600 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
|
4601 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
|
4602 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
|
4603 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
|
4604 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4605 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4606 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4607 case TOKimmutable: |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4608 if (!targ->isInvariant()) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4609 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
|
4610 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
|
4611 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4612 #endif |
| 159 | 4613 |
| 4614 case TOKsuper: | |
| 4615 // If class or interface, get the base class and interfaces | |
| 4616 if (targ->ty != Tclass) | |
| 4617 goto Lno; | |
| 4618 else | |
| 4619 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4620 Arguments *args = new Arguments; | |
| 4621 args->reserve(cd->baseclasses.dim); | |
| 4622 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4623 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4624 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4625 } | |
| 4626 tded = new TypeTuple(args); | |
| 4627 } | |
| 4628 break; | |
| 4629 | |
| 4630 case TOKenum: | |
| 4631 if (targ->ty != Tenum) | |
| 4632 goto Lno; | |
| 4633 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4634 break; | |
| 4635 | |
| 4636 case TOKdelegate: | |
| 4637 if (targ->ty != Tdelegate) | |
| 4638 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
|
4639 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4640 break; |
| 4641 | |
| 4642 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
|
4643 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4644 if (targ->ty != Tfunction) |
| 159 | 4645 goto Lno; |
| 4646 tded = targ; | |
| 4647 | |
| 4648 /* Generate tuple from function parameter types. | |
| 4649 */ | |
| 4650 assert(tded->ty == Tfunction); | |
| 4651 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4652 size_t dim = Argument::dim(params); | |
| 4653 Arguments *args = new Arguments; | |
| 4654 args->reserve(dim); | |
| 4655 for (size_t i = 0; i < dim; i++) | |
| 4656 { Argument *arg = Argument::getNth(params, i); | |
| 4657 assert(arg && arg->type); | |
| 4658 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4659 } | |
| 4660 tded = new TypeTuple(args); | |
| 4661 break; | |
| 4662 } | |
| 4663 case TOKreturn: | |
| 4664 /* Get the 'return type' for the function, | |
| 4665 * delegate, or pointer to function. | |
| 4666 */ | |
| 4667 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
|
4668 tded = ((TypeFunction *)targ)->next; |
| 159 | 4669 else if (targ->ty == Tdelegate) |
| 4670 tded = targ->next->next; | |
| 4671 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4672 tded = targ->next->next; | |
| 4673 else | |
| 4674 goto Lno; | |
| 4675 break; | |
| 4676 | |
| 4677 default: | |
| 4678 assert(0); | |
| 4679 } | |
| 4680 goto Lyes; | |
| 4681 } | |
| 4682 else if (id && tspec) | |
| 4683 { | |
| 4684 /* Evaluate to TRUE if targ matches tspec. | |
| 4685 * If TRUE, declare id as an alias for the specialized type. | |
| 4686 */ | |
| 4687 | |
| 4688 MATCH m; | |
| 4689 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4690 | |
| 4691 TemplateParameters parameters; | |
| 4692 parameters.setDim(1); | |
| 4693 parameters.data[0] = (void *)&tp; | |
| 4694 | |
| 4695 Objects dedtypes; | |
| 4696 dedtypes.setDim(1); | |
| 4697 dedtypes.data[0] = NULL; | |
| 4698 | |
| 4699 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4700 if (m == MATCHnomatch || | |
| 4701 (m != MATCHexact && tok == TOKequal)) | |
| 4702 goto Lno; | |
| 4703 else | |
| 4704 { | |
| 4705 assert(dedtypes.dim == 1); | |
| 4706 tded = (Type *)dedtypes.data[0]; | |
| 4707 if (!tded) | |
| 4708 tded = targ; | |
| 4709 goto Lyes; | |
| 4710 } | |
| 4711 } | |
| 4712 else if (id) | |
| 4713 { | |
| 4714 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4715 */ | |
| 4716 tded = targ; | |
| 4717 goto Lyes; | |
| 4718 } | |
| 4719 else if (tspec) | |
| 4720 { | |
| 4721 /* Evaluate to TRUE if targ matches tspec | |
| 4722 */ | |
| 4723 tspec = tspec->semantic(loc, sc); | |
| 4724 //printf("targ = %s\n", targ->toChars()); | |
| 4725 //printf("tspec = %s\n", tspec->toChars()); | |
| 4726 if (tok == TOKcolon) | |
| 4727 { if (targ->implicitConvTo(tspec)) | |
| 4728 goto Lyes; | |
| 4729 else | |
| 4730 goto Lno; | |
| 4731 } | |
| 4732 else /* == */ | |
| 4733 { if (targ->equals(tspec)) | |
| 4734 goto Lyes; | |
| 4735 else | |
| 4736 goto Lno; | |
| 4737 } | |
| 4738 } | |
| 4739 | |
| 4740 Lyes: | |
| 4741 if (id) | |
| 4742 { | |
| 4743 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4744 s->semantic(sc); | |
| 4745 sc->insert(s); | |
| 4746 if (sc->sd) | |
| 4747 s->addMember(sc, sc->sd, 1); | |
| 4748 } | |
| 4749 return new IntegerExp(1); | |
| 4750 | |
| 4751 Lno: | |
| 4752 return new IntegerExp(0); | |
| 4753 } | |
| 4754 | |
| 4755 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4756 { | |
| 4757 buf->writestring("is("); | |
| 4758 targ->toCBuffer(buf, id, hgs); | |
| 4759 if (tok2 != TOKreserved) | |
| 4760 { | |
| 4761 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4762 } | |
| 4763 else if (tspec) | |
| 4764 { | |
| 4765 if (tok == TOKcolon) | |
| 4766 buf->writestring(" : "); | |
| 4767 else | |
| 4768 buf->writestring(" == "); | |
| 4769 tspec->toCBuffer(buf, NULL, hgs); | |
| 4770 } | |
| 336 | 4771 #if DMDV2 |
| 159 | 4772 if (parameters) |
| 4773 { // First parameter is already output, so start with second | |
| 4774 for (int i = 1; i < parameters->dim; i++) | |
| 4775 { | |
| 4776 buf->writeByte(','); | |
| 4777 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4778 tp->toCBuffer(buf, hgs); | |
| 4779 } | |
| 4780 } | |
| 4781 #endif | |
| 4782 buf->writeByte(')'); | |
| 4783 } | |
| 4784 | |
| 4785 | |
| 4786 /************************************************************/ | |
| 4787 | |
| 4788 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4789 : Expression(loc, op, size) | |
| 4790 { | |
| 4791 this->e1 = e1; | |
| 4792 } | |
| 4793 | |
| 4794 Expression *UnaExp::syntaxCopy() | |
| 4795 { UnaExp *e; | |
| 4796 | |
| 4797 e = (UnaExp *)copy(); | |
| 4798 e->type = NULL; | |
| 4799 e->e1 = e->e1->syntaxCopy(); | |
| 4800 return e; | |
| 4801 } | |
| 4802 | |
| 4803 Expression *UnaExp::semantic(Scope *sc) | |
| 4804 { | |
| 4805 #if LOGSEMANTIC | |
| 4806 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4807 #endif | |
| 4808 e1 = e1->semantic(sc); | |
| 4809 // if (!e1->type) | |
| 4810 // error("%s has no value", e1->toChars()); | |
| 4811 return this; | |
| 4812 } | |
| 4813 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4814 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4815 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4816 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4817 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4818 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4819 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4820 |
| 159 | 4821 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4822 { | |
| 4823 buf->writestring(Token::toChars(op)); | |
| 4824 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4825 } | |
| 4826 | |
| 4827 /************************************************************/ | |
| 4828 | |
| 4829 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4830 : Expression(loc, op, size) | |
| 4831 { | |
| 4832 this->e1 = e1; | |
| 4833 this->e2 = e2; | |
| 4834 } | |
| 4835 | |
| 4836 Expression *BinExp::syntaxCopy() | |
| 4837 { BinExp *e; | |
| 4838 | |
| 4839 e = (BinExp *)copy(); | |
| 4840 e->type = NULL; | |
| 4841 e->e1 = e->e1->syntaxCopy(); | |
| 4842 e->e2 = e->e2->syntaxCopy(); | |
| 4843 return e; | |
| 4844 } | |
| 4845 | |
| 4846 Expression *BinExp::semantic(Scope *sc) | |
| 4847 { | |
| 4848 #if LOGSEMANTIC | |
| 4849 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4850 #endif | |
| 4851 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4852 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4853 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4854 { |
| 4855 error("%s has no value", e1->toChars()); | |
| 4856 e1->type = Type::terror; | |
| 4857 } | |
| 4858 e2 = e2->semantic(sc); | |
| 4859 if (!e2->type) | |
| 4860 { | |
| 4861 error("%s has no value", e2->toChars()); | |
| 4862 e2->type = Type::terror; | |
| 4863 } | |
| 4864 return this; | |
| 4865 } | |
| 4866 | |
| 4867 Expression *BinExp::semanticp(Scope *sc) | |
| 4868 { | |
| 4869 BinExp::semantic(sc); | |
| 4870 e1 = resolveProperties(sc, e1); | |
| 4871 e2 = resolveProperties(sc, e2); | |
| 4872 return this; | |
| 4873 } | |
| 4874 | |
| 4875 /*************************** | |
| 4876 * Common semantic routine for some xxxAssignExp's. | |
| 4877 */ | |
| 4878 | |
| 4879 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4880 { Expression *e; | |
| 4881 | |
| 4882 if (!type) | |
| 4883 { | |
| 4884 BinExp::semantic(sc); | |
| 4885 e2 = resolveProperties(sc, e2); | |
| 4886 | |
| 4887 e = op_overload(sc); | |
| 4888 if (e) | |
| 4889 return e; | |
| 4890 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4891 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
|
4892 { // 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
|
4893 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
|
4894 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
|
4895 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
|
4896 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4897 |
| 159 | 4898 e1 = e1->modifiableLvalue(sc, e1); |
| 4899 e1->checkScalar(); | |
| 4900 type = e1->type; | |
| 4901 if (type->toBasetype()->ty == Tbool) | |
| 4902 { | |
| 4903 error("operator not allowed on bool expression %s", toChars()); | |
| 4904 } | |
| 4905 typeCombine(sc); | |
| 4906 e1->checkArithmetic(); | |
| 4907 e2->checkArithmetic(); | |
| 4908 | |
| 4909 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4910 { error("cannot perform modulo complex arithmetic"); | |
| 4911 return new IntegerExp(0); | |
| 4912 } | |
| 4913 } | |
| 4914 return this; | |
| 4915 } | |
| 4916 | |
| 4917 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4918 { Expression *e; | |
| 4919 | |
| 4920 if (!type) | |
| 4921 { | |
| 4922 BinExp::semantic(sc); | |
| 4923 e2 = resolveProperties(sc, e2); | |
| 4924 | |
| 4925 e = op_overload(sc); | |
| 4926 if (e) | |
| 4927 return e; | |
| 4928 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4929 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
|
4930 { // 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
|
4931 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
|
4932 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
|
4933 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
|
4934 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4935 |
| 159 | 4936 e1 = e1->modifiableLvalue(sc, e1); |
| 4937 e1->checkScalar(); | |
| 4938 type = e1->type; | |
| 4939 if (type->toBasetype()->ty == Tbool) | |
| 4940 { | |
| 4941 e2 = e2->implicitCastTo(sc, type); | |
| 4942 } | |
| 4943 | |
| 4944 typeCombine(sc); | |
| 4945 e1->checkIntegral(); | |
| 4946 e2->checkIntegral(); | |
| 4947 } | |
| 4948 return this; | |
| 4949 } | |
| 4950 | |
| 4951 int BinExp::checkSideEffect(int flag) | |
| 4952 { | |
| 4953 if (op == TOKplusplus || | |
| 4954 op == TOKminusminus || | |
| 4955 op == TOKassign || | |
| 4956 op == TOKconstruct || | |
| 4957 op == TOKblit || | |
| 4958 op == TOKaddass || | |
| 4959 op == TOKminass || | |
| 4960 op == TOKcatass || | |
| 4961 op == TOKmulass || | |
| 4962 op == TOKdivass || | |
| 4963 op == TOKmodass || | |
| 4964 op == TOKshlass || | |
| 4965 op == TOKshrass || | |
| 4966 op == TOKushrass || | |
| 4967 op == TOKandass || | |
| 4968 op == TOKorass || | |
| 4969 op == TOKxorass || | |
| 4970 op == TOKin || | |
| 4971 op == TOKremove) | |
| 4972 return 1; | |
| 4973 return Expression::checkSideEffect(flag); | |
| 4974 } | |
| 4975 | |
| 4976 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4977 { | |
| 4978 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4979 buf->writeByte(' '); | |
| 4980 buf->writestring(Token::toChars(op)); | |
| 4981 buf->writeByte(' '); | |
| 4982 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 4983 } | |
| 4984 | |
| 4985 int BinExp::isunsigned() | |
| 4986 { | |
| 4987 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 4988 } | |
| 4989 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4990 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4991 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4992 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4993 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4994 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4995 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4996 |
| 159 | 4997 void BinExp::incompatibleTypes() |
| 4998 { | |
| 4999 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5000 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5001 e1->type->toChars(), e2->type->toChars()); | |
| 5002 } | |
| 5003 | |
| 5004 /************************************************************/ | |
| 5005 | |
| 5006 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5007 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5008 { | |
| 5009 } | |
| 5010 | |
| 5011 Expression *CompileExp::semantic(Scope *sc) | |
| 5012 { | |
| 5013 #if LOGSEMANTIC | |
| 5014 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5015 #endif | |
| 5016 UnaExp::semantic(sc); | |
| 5017 e1 = resolveProperties(sc, e1); | |
| 5018 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5019 if (e1->op != TOKstring) | |
| 5020 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5021 type = Type::terror; | |
| 5022 return this; | |
| 5023 } | |
| 5024 StringExp *se = (StringExp *)e1; | |
| 5025 se = se->toUTF8(sc); | |
| 5026 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5027 p.loc = loc; | |
| 5028 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5029 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5030 Expression *e = p.parseExpression(); |
| 5031 if (p.token.value != TOKeof) | |
| 5032 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5033 return e->semantic(sc); | |
| 5034 } | |
| 5035 | |
| 5036 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5037 { | |
| 5038 buf->writestring("mixin("); | |
| 5039 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5040 buf->writeByte(')'); | |
| 5041 } | |
| 5042 | |
| 5043 /************************************************************/ | |
| 5044 | |
| 5045 FileExp::FileExp(Loc loc, Expression *e) | |
| 5046 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5047 { | |
| 5048 } | |
| 5049 | |
| 5050 Expression *FileExp::semantic(Scope *sc) | |
| 5051 { char *name; | |
| 5052 StringExp *se; | |
| 5053 | |
| 5054 #if LOGSEMANTIC | |
| 5055 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5056 #endif | |
| 5057 UnaExp::semantic(sc); | |
| 5058 e1 = resolveProperties(sc, e1); | |
| 5059 e1 = e1->optimize(WANTvalue); | |
| 5060 if (e1->op != TOKstring) | |
| 5061 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5062 goto Lerror; | |
| 5063 } | |
| 5064 se = (StringExp *)e1; | |
| 5065 se = se->toUTF8(sc); | |
| 5066 name = (char *)se->string; | |
| 5067 | |
| 5068 if (!global.params.fileImppath) | |
| 5069 { error("need -Jpath switch to import text file %s", name); | |
| 5070 goto Lerror; | |
| 5071 } | |
| 5072 | |
| 5073 if (name != FileName::name(name)) | |
| 5074 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5075 goto Lerror; | |
| 5076 } | |
| 5077 | |
| 5078 name = FileName::searchPath(global.filePath, name, 0); | |
| 5079 if (!name) | |
| 5080 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5081 goto Lerror; | |
| 5082 } | |
| 5083 | |
| 5084 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5085 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5086 |
| 5087 { File f(name); | |
| 5088 if (f.read()) | |
| 5089 { error("cannot read file %s", f.toChars()); | |
| 5090 goto Lerror; | |
| 5091 } | |
| 5092 else | |
| 5093 { | |
| 5094 f.ref = 1; | |
| 5095 se = new StringExp(loc, f.buffer, f.len); | |
| 5096 } | |
| 5097 } | |
| 5098 Lret: | |
| 5099 return se->semantic(sc); | |
| 5100 | |
| 5101 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5102 se = new StringExp(loc, (char *)""); |
| 159 | 5103 goto Lret; |
| 5104 } | |
| 5105 | |
| 5106 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5107 { | |
| 5108 buf->writestring("import("); | |
| 5109 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5110 buf->writeByte(')'); | |
| 5111 } | |
| 5112 | |
| 5113 /************************************************************/ | |
| 5114 | |
| 5115 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5116 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5117 { | |
| 5118 this->msg = msg; | |
| 5119 } | |
| 5120 | |
| 5121 Expression *AssertExp::syntaxCopy() | |
| 5122 { | |
| 5123 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5124 msg ? msg->syntaxCopy() : NULL); | |
| 5125 return ae; | |
| 5126 } | |
| 5127 | |
| 5128 Expression *AssertExp::semantic(Scope *sc) | |
| 5129 { | |
| 5130 #if LOGSEMANTIC | |
| 5131 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5132 #endif | |
| 5133 UnaExp::semantic(sc); | |
| 5134 e1 = resolveProperties(sc, e1); | |
| 5135 // BUG: see if we can do compile time elimination of the Assert | |
| 5136 e1 = e1->optimize(WANTvalue); | |
| 5137 e1 = e1->checkToBoolean(); | |
| 5138 if (msg) | |
| 5139 { | |
| 5140 msg = msg->semantic(sc); | |
| 5141 msg = resolveProperties(sc, msg); | |
| 5142 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5143 msg = msg->optimize(WANTvalue); | |
| 5144 } | |
| 5145 if (e1->isBool(FALSE)) | |
| 5146 { | |
| 5147 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5148 fd->hasReturnExp |= 4; | |
| 5149 | |
| 5150 if (!global.params.useAssert) | |
| 5151 { Expression *e = new HaltExp(loc); | |
| 5152 e = e->semantic(sc); | |
| 5153 return e; | |
| 5154 } | |
| 5155 } | |
| 5156 type = Type::tvoid; | |
| 5157 return this; | |
| 5158 } | |
| 5159 | |
| 5160 int AssertExp::checkSideEffect(int flag) | |
| 5161 { | |
| 5162 return 1; | |
| 5163 } | |
| 5164 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5165 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5166 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5167 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5168 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5169 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5170 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5171 |
| 159 | 5172 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5173 { | |
| 5174 buf->writestring("assert("); | |
| 5175 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5176 if (msg) | |
| 5177 { | |
| 5178 buf->writeByte(','); | |
| 5179 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5180 } | |
| 5181 buf->writeByte(')'); | |
| 5182 } | |
| 5183 | |
| 5184 /************************************************************/ | |
| 5185 | |
| 5186 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5187 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5188 { | |
| 5189 this->ident = ident; | |
| 5190 } | |
| 5191 | |
| 5192 Expression *DotIdExp::semantic(Scope *sc) | |
| 5193 { Expression *e; | |
| 5194 Expression *eleft; | |
| 5195 Expression *eright; | |
| 5196 | |
| 5197 #if LOGSEMANTIC | |
| 5198 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5199 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5200 #endif | |
| 5201 | |
| 5202 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5203 | |
| 5204 #if 0 | |
| 5205 /* Don't do semantic analysis if we'll be converting | |
| 5206 * it to a string. | |
| 5207 */ | |
| 5208 if (ident == Id::stringof) | |
| 5209 { char *s = e1->toChars(); | |
| 5210 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5211 e = e->semantic(sc); | |
| 5212 return e; | |
| 5213 } | |
| 5214 #endif | |
| 5215 | |
| 5216 /* Special case: rewrite this.id and super.id | |
| 5217 * to be classtype.id and baseclasstype.id | |
| 5218 * if we have no this pointer. | |
| 5219 */ | |
| 5220 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5221 { ClassDeclaration *cd; | |
| 5222 StructDeclaration *sd; | |
| 5223 AggregateDeclaration *ad; | |
| 5224 | |
| 5225 ad = sc->getStructClassScope(); | |
| 5226 if (ad) | |
| 5227 { | |
| 5228 cd = ad->isClassDeclaration(); | |
| 5229 if (cd) | |
| 5230 { | |
| 5231 if (e1->op == TOKthis) | |
| 5232 { | |
| 5233 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5234 return e->semantic(sc); | |
| 5235 } | |
| 5236 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5237 { | |
| 5238 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5239 return e->semantic(sc); | |
| 5240 } | |
| 5241 } | |
| 5242 else | |
| 5243 { | |
| 5244 sd = ad->isStructDeclaration(); | |
| 5245 if (sd) | |
| 5246 { | |
| 5247 if (e1->op == TOKthis) | |
| 5248 { | |
| 5249 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5250 return e->semantic(sc); | |
| 5251 } | |
| 5252 } | |
| 5253 } | |
| 5254 } | |
| 5255 } | |
| 5256 | |
| 5257 UnaExp::semantic(sc); | |
| 5258 | |
| 5259 if (e1->op == TOKdotexp) | |
| 5260 { | |
| 5261 DotExp *de = (DotExp *)e1; | |
| 5262 eleft = de->e1; | |
| 5263 eright = de->e2; | |
| 5264 } | |
| 5265 else | |
| 5266 { | |
| 5267 e1 = resolveProperties(sc, e1); | |
| 5268 eleft = NULL; | |
| 5269 eright = e1; | |
| 5270 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5271 #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
|
5272 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
|
5273 { /* '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
|
5274 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5275 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
|
5276 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
|
5277 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
|
5278 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
|
5279 { 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
|
5280 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
|
5281 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
|
5282 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
|
5283 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5284 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
|
5285 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
|
5286 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
|
5287 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5288 #endif |
| 159 | 5289 |
| 5290 if (e1->op == TOKtuple && ident == Id::length) | |
| 5291 { | |
| 5292 TupleExp *te = (TupleExp *)e1; | |
| 5293 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5294 return e; | |
| 5295 } | |
| 5296 | |
| 5297 if (eright->op == TOKimport) // also used for template alias's | |
| 5298 { | |
| 5299 ScopeExp *ie = (ScopeExp *)eright; | |
| 5300 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5301 /* 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
|
5302 * 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
|
5303 * 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
|
5304 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5305 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
|
5306 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5307 if (s) |
| 5308 { | |
| 5309 s = s->toAlias(); | |
| 5310 checkDeprecated(sc, s); | |
| 5311 | |
| 5312 EnumMember *em = s->isEnumMember(); | |
| 5313 if (em) | |
| 5314 { | |
| 5315 e = em->value; | |
| 5316 e = e->semantic(sc); | |
| 5317 return e; | |
| 5318 } | |
| 5319 | |
| 5320 VarDeclaration *v = s->isVarDeclaration(); | |
| 5321 if (v) | |
| 5322 { | |
| 5323 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5324 if (v->inuse) | |
| 5325 { | |
| 5326 error("circular reference to '%s'", v->toChars()); | |
| 5327 type = Type::tint32; | |
| 5328 return this; | |
| 5329 } | |
| 5330 type = v->type; | |
| 5331 if (v->isConst()) | |
| 5332 { | |
| 5333 if (v->init) | |
| 5334 { | |
| 5335 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5336 if (ei) | |
| 5337 { | |
| 5338 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5339 //ei->exp = ei->exp->semantic(sc); | |
| 5340 if (ei->exp->type == type) | |
| 5341 { | |
| 5342 e = ei->exp->copy(); // make copy so we can change loc | |
| 5343 e->loc = loc; | |
| 5344 return e; | |
| 5345 } | |
| 5346 } | |
| 5347 } | |
| 5348 else if (type->isscalar()) | |
| 5349 { | |
| 5350 e = type->defaultInit(); | |
| 5351 e->loc = loc; | |
| 5352 return e; | |
| 5353 } | |
| 5354 } | |
| 5355 if (v->needThis()) | |
| 5356 { | |
| 5357 if (!eleft) | |
| 5358 eleft = new ThisExp(loc); | |
| 5359 e = new DotVarExp(loc, eleft, v); | |
| 5360 e = e->semantic(sc); | |
| 5361 } | |
| 5362 else | |
| 5363 { | |
| 5364 e = new VarExp(loc, v); | |
| 5365 if (eleft) | |
| 5366 { e = new CommaExp(loc, eleft, e); | |
| 5367 e->type = v->type; | |
| 5368 } | |
| 5369 } | |
| 5370 return e->deref(); | |
| 5371 } | |
| 5372 | |
| 5373 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5374 if (f) | |
| 5375 { | |
| 5376 //printf("it's a function\n"); | |
| 5377 if (f->needThis()) | |
| 5378 { | |
| 5379 if (!eleft) | |
| 5380 eleft = new ThisExp(loc); | |
| 5381 e = new DotVarExp(loc, eleft, f); | |
| 5382 e = e->semantic(sc); | |
| 5383 } | |
| 5384 else | |
| 5385 { | |
| 5386 e = new VarExp(loc, f); | |
| 5387 if (eleft) | |
| 5388 { e = new CommaExp(loc, eleft, e); | |
| 5389 e->type = f->type; | |
| 5390 } | |
| 5391 } | |
| 5392 return e; | |
| 5393 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5394 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5395 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5396 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5397 { //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
|
5398 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5399 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5400 #endif |
| 159 | 5401 |
| 5402 Type *t = s->getType(); | |
| 5403 if (t) | |
| 5404 { | |
| 5405 return new TypeExp(loc, t); | |
| 5406 } | |
| 5407 | |
| 336 | 5408 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5409 if (tup) | |
| 5410 { | |
| 5411 if (eleft) | |
| 5412 error("cannot have e.tuple"); | |
| 5413 e = new TupleExp(loc, tup); | |
| 5414 e = e->semantic(sc); | |
| 5415 return e; | |
| 5416 } | |
| 5417 | |
| 159 | 5418 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5419 if (sds) | |
| 5420 { | |
| 5421 //printf("it's a ScopeDsymbol\n"); | |
| 5422 e = new ScopeExp(loc, sds); | |
| 5423 e = e->semantic(sc); | |
| 5424 if (eleft) | |
| 5425 e = new DotExp(loc, eleft, e); | |
| 5426 return e; | |
| 5427 } | |
| 5428 | |
| 5429 Import *imp = s->isImport(); | |
| 5430 if (imp) | |
| 5431 { | |
| 5432 ScopeExp *ie; | |
| 5433 | |
| 5434 ie = new ScopeExp(loc, imp->pkg); | |
| 5435 return ie->semantic(sc); | |
| 5436 } | |
| 5437 | |
| 5438 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5439 #ifdef DEBUG | |
| 5440 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5441 #endif | |
| 5442 assert(0); | |
| 5443 } | |
| 5444 else if (ident == Id::stringof) | |
| 5445 { char *s = ie->toChars(); | |
| 5446 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5447 e = e->semantic(sc); | |
| 5448 return e; | |
| 5449 } | |
| 5450 error("undefined identifier %s", toChars()); | |
| 5451 type = Type::tvoid; | |
| 5452 return this; | |
| 5453 } | |
| 5454 else if (e1->type->ty == Tpointer && | |
| 5455 ident != Id::init && ident != Id::__sizeof && | |
| 5456 ident != Id::alignof && ident != Id::offsetof && | |
| 5457 ident != Id::mangleof && ident != Id::stringof) | |
| 5458 { | |
| 5459 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
|
5460 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5461 return e->type->dotExp(sc, e, ident); |
| 5462 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5463 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5464 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5465 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5466 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5467 { /* 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
|
5468 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5469 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5470 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5471 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5472 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5473 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5474 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5475 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5476 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
|
5477 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5478 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5479 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
|
5480 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5481 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5482 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5483 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5484 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5485 #endif |
| 159 | 5486 else |
| 5487 { | |
| 5488 e = e1->type->dotExp(sc, e1, ident); | |
| 5489 e = e->semantic(sc); | |
| 5490 return e; | |
| 5491 } | |
| 5492 } | |
| 5493 | |
| 5494 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5495 { | |
| 5496 //printf("DotIdExp::toCBuffer()\n"); | |
| 5497 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5498 buf->writeByte('.'); | |
| 5499 buf->writestring(ident->toChars()); | |
| 5500 } | |
| 5501 | |
| 5502 /********************** DotTemplateExp ***********************************/ | |
| 5503 | |
| 5504 // Mainly just a placeholder | |
| 5505 | |
| 5506 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5507 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5508 | |
| 5509 { | |
| 5510 this->td = td; | |
| 5511 } | |
| 5512 | |
| 5513 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5514 { | |
| 5515 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5516 buf->writeByte('.'); | |
| 5517 buf->writestring(td->toChars()); | |
| 5518 } | |
| 5519 | |
| 5520 | |
| 5521 /************************************************************/ | |
| 5522 | |
| 5523 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5524 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5525 { | |
| 5526 //printf("DotVarExp()\n"); | |
| 5527 this->var = v; | |
| 5528 } | |
| 5529 | |
| 5530 Expression *DotVarExp::semantic(Scope *sc) | |
| 5531 { | |
| 5532 #if LOGSEMANTIC | |
| 5533 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5534 #endif | |
| 5535 if (!type) | |
| 5536 { | |
| 5537 var = var->toAlias()->isDeclaration(); | |
| 5538 | |
| 5539 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5540 if (tup) | |
| 5541 { /* Replace: | |
| 5542 * e1.tuple(a, b, c) | |
| 5543 * with: | |
| 5544 * tuple(e1.a, e1.b, e1.c) | |
| 5545 */ | |
| 5546 Expressions *exps = new Expressions; | |
| 5547 | |
| 5548 exps->reserve(tup->objects->dim); | |
| 5549 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5550 { Object *o = (Object *)tup->objects->data[i]; | |
| 5551 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5552 { | |
| 5553 error("%s is not an expression", o->toChars()); | |
| 5554 } | |
| 5555 else | |
| 5556 { | |
| 5557 Expression *e = (Expression *)o; | |
| 5558 if (e->op != TOKdsymbol) | |
| 5559 error("%s is not a member", e->toChars()); | |
| 5560 else | |
| 5561 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5562 | |
| 5563 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5564 exps->push(e); | |
| 5565 } | |
| 5566 } | |
| 5567 } | |
| 5568 Expression *e = new TupleExp(loc, exps); | |
| 5569 e = e->semantic(sc); | |
| 5570 return e; | |
| 5571 } | |
| 5572 | |
| 5573 e1 = e1->semantic(sc); | |
| 5574 type = var->type; | |
| 5575 if (!type && global.errors) | |
| 5576 { // var is goofed up, just return 0 | |
| 5577 return new IntegerExp(0); | |
| 5578 } | |
| 5579 assert(type); | |
| 5580 | |
| 5581 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5582 { | |
| 5583 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5584 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5585 if (!sc->noaccesscheck) | |
| 5586 accessCheck(loc, sc, e1, var); | |
| 5587 | |
| 5588 VarDeclaration *v = var->isVarDeclaration(); | |
| 5589 if (v && v->isConst()) | |
| 5590 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5591 if (ei) | |
| 5592 { Expression *e = ei->exp->copy(); | |
| 5593 e = e->semantic(sc); | |
| 5594 return e; | |
| 159 | 5595 } |
| 5596 } | |
| 5597 } | |
| 5598 } | |
| 5599 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5600 return this; | |
| 5601 } | |
| 5602 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5603 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5604 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5605 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5606 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5607 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5608 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5609 |
| 159 | 5610 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5611 { | |
| 5612 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5613 return this; | |
| 5614 } | |
| 5615 | |
| 5616 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5617 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5618 #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
|
5619 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
|
5620 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
|
5621 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
|
5622 #endif |
| 159 | 5623 |
| 5624 if (var->isCtorinit()) | |
| 5625 { // It's only modifiable if inside the right constructor | |
| 5626 Dsymbol *s = sc->func; | |
| 5627 while (1) | |
| 5628 { | |
| 5629 FuncDeclaration *fd = NULL; | |
| 5630 if (s) | |
| 5631 fd = s->isFuncDeclaration(); | |
| 5632 if (fd && | |
| 5633 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5634 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5635 fd->toParent() == var->toParent() && | |
| 5636 e1->op == TOKthis | |
| 5637 ) | |
| 5638 { | |
| 5639 VarDeclaration *v = var->isVarDeclaration(); | |
| 5640 assert(v); | |
| 5641 v->ctorinit = 1; | |
| 5642 //printf("setting ctorinit\n"); | |
| 5643 } | |
| 5644 else | |
| 5645 { | |
| 5646 if (s) | |
| 5647 { s = s->toParent2(); | |
| 5648 continue; | |
| 5649 } | |
| 5650 else | |
| 5651 { | |
| 5652 const char *p = var->isStatic() ? "static " : ""; | |
| 5653 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5654 p, var->toChars(), p); | |
| 5655 } | |
| 5656 } | |
| 5657 break; | |
| 5658 } | |
| 5659 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5660 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5661 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5662 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5663 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5664 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5665 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5666 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5667 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5668 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5669 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5670 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5671 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5672 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5673 #endif |
| 159 | 5674 return this; |
| 5675 } | |
| 5676 | |
| 5677 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5678 { | |
| 5679 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5680 buf->writeByte('.'); | |
| 5681 buf->writestring(var->toChars()); | |
| 5682 } | |
| 5683 | |
| 5684 /************************************************************/ | |
| 5685 | |
| 5686 /* Things like: | |
| 5687 * foo.bar!(args) | |
| 5688 */ | |
| 5689 | |
| 5690 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5691 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5692 { | |
| 5693 //printf("DotTemplateInstanceExp()\n"); | |
| 5694 this->ti = ti; | |
| 5695 } | |
| 5696 | |
| 5697 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5698 { | |
| 5699 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5700 e1->syntaxCopy(), | |
| 5701 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5702 return de; | |
| 5703 } | |
| 5704 | |
| 5705 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5706 { Dsymbol *s; | |
| 5707 Dsymbol *s2; | |
| 5708 TemplateDeclaration *td; | |
| 5709 Expression *e; | |
| 5710 Identifier *id; | |
| 5711 Type *t1; | |
| 5712 Expression *eleft = NULL; | |
| 5713 Expression *eright; | |
| 5714 | |
| 5715 #if LOGSEMANTIC | |
| 5716 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5717 #endif | |
| 5718 //e1->print(); | |
| 5719 //print(); | |
| 5720 e1 = e1->semantic(sc); | |
| 5721 t1 = e1->type; | |
| 5722 if (t1) | |
| 5723 t1 = t1->toBasetype(); | |
| 5724 //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
|
5725 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5726 /* 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
|
5727 * 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
|
5728 * 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
|
5729 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5730 |
| 159 | 5731 if (e1->op == TOKdotexp) |
| 5732 { DotExp *de = (DotExp *)e1; | |
| 5733 eleft = de->e1; | |
| 5734 eright = de->e2; | |
| 5735 } | |
| 5736 else | |
| 5737 { eleft = NULL; | |
| 5738 eright = e1; | |
| 5739 } | |
| 5740 if (eright->op == TOKimport) | |
| 5741 { | |
| 5742 s = ((ScopeExp *)eright)->sds; | |
| 5743 } | |
| 5744 else if (e1->op == TOKtype) | |
| 5745 { | |
| 5746 s = t1->isClassHandle(); | |
| 5747 if (!s) | |
| 5748 { if (t1->ty == Tstruct) | |
| 5749 s = ((TypeStruct *)t1)->sym; | |
| 5750 else | |
| 5751 goto L1; | |
| 5752 } | |
| 5753 } | |
| 5754 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5755 { | |
| 5756 s = t1->toDsymbol(sc); | |
| 5757 eleft = e1; | |
| 5758 } | |
| 5759 else if (t1 && t1->ty == Tpointer) | |
| 5760 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5761 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5762 if (t1->ty != Tstruct) |
| 5763 goto L1; | |
| 5764 s = t1->toDsymbol(sc); | |
| 5765 eleft = e1; | |
| 5766 } | |
| 5767 else | |
| 5768 { | |
| 5769 L1: | |
| 5770 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5771 goto Lerr; | |
| 5772 } | |
| 5773 | |
| 5774 assert(s); | |
| 5775 id = ti->name; | |
| 5776 s2 = s->search(loc, id, 0); | |
| 5777 if (!s2) | |
| 5778 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5779 goto Lerr; | |
| 5780 } | |
| 5781 s = s2; | |
| 5782 s->semantic(sc); | |
| 5783 s = s->toAlias(); | |
| 5784 td = s->isTemplateDeclaration(); | |
| 5785 if (!td) | |
| 5786 { | |
| 5787 error("%s is not a template", id->toChars()); | |
| 5788 goto Lerr; | |
| 5789 } | |
| 5790 if (global.errors) | |
| 5791 goto Lerr; | |
| 5792 | |
| 5793 ti->tempdecl = td; | |
| 5794 | |
| 5795 if (eleft) | |
| 5796 { Declaration *v; | |
| 5797 | |
| 5798 ti->semantic(sc); | |
| 5799 s = ti->inst->toAlias(); | |
| 5800 v = s->isDeclaration(); | |
| 5801 if (v) | |
| 5802 { e = new DotVarExp(loc, eleft, v); | |
| 5803 e = e->semantic(sc); | |
| 5804 return e; | |
| 5805 } | |
| 5806 } | |
| 5807 | |
| 5808 e = new ScopeExp(loc, ti); | |
| 5809 if (eleft) | |
| 5810 { | |
| 5811 e = new DotExp(loc, eleft, e); | |
| 5812 } | |
| 5813 e = e->semantic(sc); | |
| 5814 return e; | |
| 5815 | |
| 5816 Lerr: | |
| 336 | 5817 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5818 } |
| 5819 | |
| 5820 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5821 { | |
| 5822 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5823 buf->writeByte('.'); | |
| 5824 ti->toCBuffer(buf, hgs); | |
| 5825 } | |
| 5826 | |
| 5827 /************************************************************/ | |
| 5828 | |
| 5829 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5830 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5831 { | |
| 5832 this->func = f; | |
| 5833 } | |
| 5834 | |
| 5835 Expression *DelegateExp::semantic(Scope *sc) | |
| 5836 { | |
| 5837 #if LOGSEMANTIC | |
| 5838 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5839 #endif | |
| 5840 if (!type) | |
| 5841 { | |
| 5842 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5843 // 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
|
5844 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5845 type = type->semantic(loc, sc); |
| 5846 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5847 if (func->needThis()) |
| 5848 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5849 } |
| 5850 return this; | |
| 5851 } | |
| 5852 | |
| 5853 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5854 { | |
| 5855 buf->writeByte('&'); | |
| 5856 if (!func->isNested()) | |
| 5857 { | |
| 5858 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5859 buf->writeByte('.'); | |
| 5860 } | |
| 5861 buf->writestring(func->toChars()); | |
| 5862 } | |
| 5863 | |
| 5864 /************************************************************/ | |
| 5865 | |
| 5866 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5867 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5868 { | |
| 5869 this->sym = s; | |
| 5870 this->type = s->getType(); | |
| 5871 } | |
| 5872 | |
| 5873 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5874 { | |
| 5875 #if LOGSEMANTIC | |
| 5876 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5877 #endif | |
| 5878 UnaExp::semantic(sc); | |
| 5879 return this; | |
| 5880 } | |
| 5881 | |
| 5882 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5883 { | |
| 5884 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5885 buf->writeByte('.'); | |
| 5886 buf->writestring(sym->toChars()); | |
| 5887 } | |
| 5888 | |
| 5889 /************************************************************/ | |
| 5890 | |
| 5891 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5892 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5893 { | |
| 5894 this->arguments = exps; | |
| 5895 } | |
| 5896 | |
| 5897 CallExp::CallExp(Loc loc, Expression *e) | |
| 5898 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5899 { | |
| 5900 this->arguments = NULL; | |
| 5901 } | |
| 5902 | |
| 5903 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5904 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5905 { | |
| 5906 Expressions *arguments = new Expressions(); | |
| 5907 arguments->setDim(1); | |
| 5908 arguments->data[0] = (void *)earg1; | |
| 5909 | |
| 5910 this->arguments = arguments; | |
| 5911 } | |
| 5912 | |
| 5913 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5914 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5915 { | |
| 5916 Expressions *arguments = new Expressions(); | |
| 5917 arguments->setDim(2); | |
| 5918 arguments->data[0] = (void *)earg1; | |
| 5919 arguments->data[1] = (void *)earg2; | |
| 5920 | |
| 5921 this->arguments = arguments; | |
| 5922 } | |
| 5923 | |
| 5924 Expression *CallExp::syntaxCopy() | |
| 5925 { | |
| 5926 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5927 } | |
| 5928 | |
| 5929 | |
| 5930 Expression *CallExp::semantic(Scope *sc) | |
| 5931 { | |
| 5932 TypeFunction *tf; | |
| 5933 FuncDeclaration *f; | |
| 5934 int i; | |
| 5935 Type *t1; | |
| 5936 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
|
5937 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5938 |
| 5939 #if LOGSEMANTIC | |
| 5940 printf("CallExp::semantic() %s\n", toChars()); | |
| 5941 #endif | |
| 5942 if (type) | |
| 5943 return this; // semantic() already run | |
| 5944 #if 0 | |
| 5945 if (arguments && arguments->dim) | |
| 5946 { | |
| 5947 Expression *earg = (Expression *)arguments->data[0]; | |
| 5948 earg->print(); | |
| 5949 if (earg->type) earg->type->print(); | |
| 5950 } | |
| 5951 #endif | |
| 5952 | |
| 5953 if (e1->op == TOKdelegate) | |
| 5954 { DelegateExp *de = (DelegateExp *)e1; | |
| 5955 | |
| 5956 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5957 return semantic(sc); | |
| 5958 } | |
| 5959 | |
| 5960 /* Transform: | |
| 5961 * array.id(args) into id(array,args) | |
| 5962 * aa.remove(arg) into delete aa[arg] | |
| 5963 */ | |
| 5964 if (e1->op == TOKdot) | |
| 5965 { | |
| 5966 // BUG: we should handle array.a.b.c.e(args) too | |
| 5967 | |
| 5968 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5969 dotid->e1 = dotid->e1->semantic(sc); | |
| 5970 assert(dotid->e1); | |
| 5971 if (dotid->e1->type) | |
| 5972 { | |
| 5973 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5974 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5975 { | |
| 5976 if (!arguments || arguments->dim != 1) | |
| 5977 { error("expected key as argument to aa.remove()"); | |
| 5978 goto Lagain; | |
| 5979 } | |
| 5980 Expression *key = (Expression *)arguments->data[0]; | |
| 5981 key = key->semantic(sc); | |
| 5982 key = resolveProperties(sc, key); | |
| 5983 key->rvalue(); | |
| 5984 | |
| 5985 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 5986 key = key->implicitCastTo(sc, taa->index); | |
| 5987 key = key->implicitCastTo(sc, taa->key); | |
| 5988 | |
| 5989 return new RemoveExp(loc, dotid->e1, key); | |
| 5990 } | |
| 5991 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 5992 { | |
| 5993 if (!arguments) | |
| 5994 arguments = new Expressions(); | |
| 5995 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5996 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5997 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
|
5998 #else |
| 159 | 5999 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
|
6000 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6001 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6002 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6003 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6004 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6005 #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
|
6006 /* 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
|
6007 * 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
|
6008 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6009 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
|
6010 { 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
|
6011 TemplateInstance *ti = se->sds->isTemplateInstance(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6012 if (ti && !ti->semanticdone) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6013 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6014 /* 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
|
6015 * 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
|
6016 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6017 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
|
6018 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
|
6019 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
|
6020 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
|
6021 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
|
6022 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
|
6023 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6024 /* 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
|
6025 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6026 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
|
6027 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
|
6028 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
|
6029 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6030 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6031 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6032 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6033 /* 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
|
6034 * 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
|
6035 */ |
|
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
|
6036 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
|
6037 { 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
|
6038 TemplateInstance *ti = se->ti; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6039 if (!ti->semanticdone) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6040 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6041 /* 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
|
6042 * 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
|
6043 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6044 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
|
6045 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
|
6046 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
|
6047 global.gag++; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6048 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
|
6049 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
|
6050 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
|
6051 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6052 global.errors = errors; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6053 targsi = ti->tiargs; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6054 e1 = new 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
|
6055 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6056 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6057 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
|
6058 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6059 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6060 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6061 |
| 159 | 6062 istemp = 0; |
| 6063 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
|
6064 //printf("Lagain: %s\n", toChars()); |
| 159 | 6065 f = NULL; |
| 6066 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6067 { | |
| 6068 // semantic() run later for these | |
| 6069 } | |
| 6070 else | |
| 6071 { | |
| 6072 UnaExp::semantic(sc); | |
| 6073 | |
| 6074 /* Look for e1 being a lazy parameter | |
| 6075 */ | |
| 6076 if (e1->op == TOKvar) | |
| 6077 { VarExp *ve = (VarExp *)e1; | |
| 6078 | |
| 6079 if (ve->var->storage_class & STClazy) | |
| 6080 { | |
| 6081 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6082 TypeDelegate *t = new TypeDelegate(tf); | |
| 6083 ve->type = t->semantic(loc, sc); | |
| 6084 } | |
| 6085 } | |
| 6086 | |
| 6087 if (e1->op == TOKimport) | |
| 6088 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6089 ScopeExp *se = (ScopeExp *)e1; | |
| 6090 e1 = new DsymbolExp(loc, se->sds); | |
| 6091 e1 = e1->semantic(sc); | |
| 6092 } | |
| 6093 #if 1 // patch for #540 by Oskar Linde | |
| 6094 else if (e1->op == TOKdotexp) | |
| 6095 { | |
| 6096 DotExp *de = (DotExp *) e1; | |
| 6097 | |
| 6098 if (de->e2->op == TOKimport) | |
| 6099 { // This should *really* be moved to ScopeExp::semantic() | |
| 6100 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6101 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6102 de->e2 = de->e2->semantic(sc); | |
| 6103 } | |
| 6104 | |
| 6105 if (de->e2->op == TOKtemplate) | |
| 6106 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6107 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6108 } | |
| 6109 } | |
| 6110 #endif | |
| 6111 } | |
| 6112 | |
| 6113 if (e1->op == TOKcomma) | |
| 6114 { | |
| 6115 CommaExp *ce = (CommaExp *)e1; | |
| 6116 | |
| 6117 e1 = ce->e2; | |
| 6118 e1->type = ce->type; | |
| 6119 ce->e2 = this; | |
| 6120 ce->type = NULL; | |
| 6121 return ce->semantic(sc); | |
| 6122 } | |
| 6123 | |
| 6124 t1 = NULL; | |
| 6125 if (e1->type) | |
| 6126 t1 = e1->type->toBasetype(); | |
| 6127 | |
| 6128 // Check for call operator overload | |
| 6129 if (t1) | |
| 6130 { AggregateDeclaration *ad; | |
| 6131 | |
| 6132 if (t1->ty == Tstruct) | |
| 6133 { | |
| 6134 ad = ((TypeStruct *)t1)->sym; | |
| 6135 if (search_function(ad, Id::call)) | |
| 6136 goto L1; // overload of opCall, therefore it's a call | |
| 6137 | |
| 6138 if (e1->op != TOKtype) | |
| 6139 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6140 /* It's a struct literal | |
| 6141 */ | |
| 6142 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6143 e = e->semantic(sc); | |
| 6144 e->type = e1->type; // in case e1->type was a typedef | |
| 6145 return e; | |
| 6146 } | |
| 6147 else if (t1->ty == Tclass) | |
| 6148 { | |
| 6149 ad = ((TypeClass *)t1)->sym; | |
| 6150 goto L1; | |
| 6151 L1: | |
| 6152 // Rewrite as e1.call(arguments) | |
| 6153 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6154 e = new CallExp(loc, e, arguments); | |
| 6155 e = e->semantic(sc); | |
| 6156 return e; | |
| 6157 } | |
| 6158 } | |
| 6159 | |
| 6160 arrayExpressionSemantic(arguments, sc); | |
| 6161 preFunctionArguments(loc, sc, arguments); | |
| 6162 | |
| 6163 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6164 e1->op == TOKdottd) | |
| 6165 { | |
| 6166 DotVarExp *dve; | |
| 6167 DotTemplateExp *dte; | |
| 6168 AggregateDeclaration *ad; | |
| 6169 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6170 |
| 159 | 6171 if (e1->op == TOKdotvar) |
| 6172 { // Do overload resolution | |
| 6173 dve = (DotVarExp *)(e1); | |
| 6174 | |
| 6175 f = dve->var->isFuncDeclaration(); | |
| 6176 assert(f); | |
| 6177 f = f->overloadResolve(loc, arguments); | |
| 6178 | |
| 6179 ad = f->toParent()->isAggregateDeclaration(); | |
| 6180 } | |
| 6181 else | |
| 6182 { dte = (DotTemplateExp *)(e1); | |
| 6183 TemplateDeclaration *td = dte->td; | |
| 6184 assert(td); | |
| 6185 if (!arguments) | |
| 6186 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6187 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6188 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6189 if (!f) |
| 6190 { type = Type::terror; | |
| 6191 return this; | |
| 6192 } | |
| 6193 ad = td->toParent()->isAggregateDeclaration(); | |
| 6194 } | |
| 336 | 6195 if (f->needThis()) |
| 6196 { | |
| 6197 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6198 } | |
| 6199 | |
| 6200 /* Cannot call public functions from inside invariant | |
| 6201 * (because then the invariant would have infinite recursion) | |
| 159 | 6202 */ |
| 336 | 6203 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6204 ue->e1->op == TOKthis && | |
| 6205 f->addPostInvariant() | |
| 159 | 6206 ) |
| 6207 { | |
| 336 | 6208 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6209 } |
| 6210 | |
| 6211 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6212 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6213 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6214 #endif |
| 159 | 6215 accessCheck(loc, sc, ue->e1, f); |
| 6216 if (!f->needThis()) | |
| 6217 { | |
| 6218 VarExp *ve = new VarExp(loc, f); | |
| 6219 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6220 e1->type = f->type; | |
| 6221 } | |
| 6222 else | |
| 6223 { | |
| 6224 if (e1->op == TOKdotvar) | |
| 6225 dve->var = f; | |
| 6226 else | |
| 6227 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6228 e1->type = f->type; | |
| 6229 | |
| 6230 // See if we need to adjust the 'this' pointer | |
| 6231 AggregateDeclaration *ad = f->isThis(); | |
| 6232 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6233 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6234 ue->e1->op != TOKsuper) | |
| 6235 { | |
| 6236 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6237 ue->e1 = ue->e1->semantic(sc); | |
| 6238 } | |
| 6239 } | |
| 6240 t1 = e1->type; | |
| 6241 } | |
| 6242 else if (e1->op == TOKsuper) | |
| 6243 { | |
| 6244 // Base class constructor call | |
| 6245 ClassDeclaration *cd = NULL; | |
| 6246 | |
| 6247 if (sc->func) | |
| 6248 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6249 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6250 { | |
| 6251 error("super class constructor call must be in a constructor"); | |
| 6252 type = Type::terror; | |
| 6253 return this; | |
| 6254 } | |
| 6255 else | |
| 6256 { | |
| 6257 f = cd->baseClass->ctor; | |
| 6258 if (!f) | |
| 6259 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6260 type = Type::terror; | |
| 6261 return this; | |
| 6262 } | |
| 6263 else | |
| 6264 { | |
| 336 | 6265 if (!sc->intypeof) |
| 6266 { | |
| 159 | 6267 #if 0 |
| 336 | 6268 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6269 error("reference to this before super()"); | |
| 159 | 6270 #endif |
| 336 | 6271 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6272 error("constructor calls not allowed in loops or after labels"); | |
| 6273 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6274 error("multiple constructor calls"); | |
| 6275 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6276 } | |
| 159 | 6277 |
| 6278 f = f->overloadResolve(loc, arguments); | |
| 6279 checkDeprecated(sc, f); | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6280 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6281 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6282 #endif |
| 159 | 6283 e1 = new DotVarExp(e1->loc, e1, f); |
| 6284 e1 = e1->semantic(sc); | |
| 6285 t1 = e1->type; | |
| 6286 } | |
| 6287 } | |
| 6288 } | |
| 6289 else if (e1->op == TOKthis) | |
| 6290 { | |
| 6291 // same class constructor call | |
| 6292 ClassDeclaration *cd = NULL; | |
| 6293 | |
| 6294 if (sc->func) | |
| 6295 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6296 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6297 { | |
| 6298 error("class constructor call must be in a constructor"); | |
| 6299 type = Type::terror; | |
| 6300 return this; | |
| 6301 } | |
| 6302 else | |
| 6303 { | |
| 336 | 6304 if (!sc->intypeof) |
| 6305 { | |
| 159 | 6306 #if 0 |
| 336 | 6307 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6308 error("reference to this before super()"); | |
| 159 | 6309 #endif |
| 336 | 6310 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6311 error("constructor calls not allowed in loops or after labels"); | |
| 6312 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6313 error("multiple constructor calls"); | |
| 6314 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6315 } | |
| 159 | 6316 |
| 6317 f = cd->ctor; | |
| 6318 f = f->overloadResolve(loc, arguments); | |
| 6319 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6320 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6321 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6322 #endif |
| 159 | 6323 e1 = new DotVarExp(e1->loc, e1, f); |
| 6324 e1 = e1->semantic(sc); | |
| 6325 t1 = e1->type; | |
| 6326 | |
| 6327 // BUG: this should really be done by checking the static | |
| 6328 // call graph | |
| 6329 if (f == sc->func) | |
| 6330 error("cyclic constructor call"); | |
| 6331 } | |
| 6332 } | |
| 6333 else if (!t1) | |
| 6334 { | |
| 6335 error("function expected before (), not '%s'", e1->toChars()); | |
| 6336 type = Type::terror; | |
| 6337 return this; | |
| 6338 } | |
| 6339 else if (t1->ty != Tfunction) | |
| 6340 { | |
| 6341 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
|
6342 { 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
|
6343 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
|
6344 tf = (TypeFunction *)(td->next); |
| 159 | 6345 goto Lcheckargs; |
| 6346 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6347 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6348 { Expression *e; |
| 6349 | |
| 6350 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
|
6351 t1 = ((TypePointer *)t1)->next; |
| 159 | 6352 e->type = t1; |
| 6353 e1 = e; | |
| 6354 } | |
| 6355 else if (e1->op == TOKtemplate) | |
| 6356 { | |
| 6357 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6358 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6359 if (!f) |
| 6360 { type = Type::terror; | |
| 6361 return this; | |
| 6362 } | |
| 6363 if (f->needThis() && hasThis(sc)) | |
| 6364 { | |
| 6365 // Supply an implicit 'this', as in | |
| 6366 // this.ident | |
| 6367 | |
| 6368 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6369 goto Lagain; | |
| 6370 } | |
| 6371 | |
| 6372 e1 = new VarExp(loc, f); | |
| 6373 goto Lagain; | |
| 6374 } | |
| 6375 else | |
| 6376 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6377 type = Type::terror; | |
| 6378 return this; | |
| 6379 } | |
| 6380 } | |
| 6381 else if (e1->op == TOKvar) | |
| 6382 { | |
| 6383 // Do overload resolution | |
| 6384 VarExp *ve = (VarExp *)e1; | |
| 6385 | |
| 6386 f = ve->var->isFuncDeclaration(); | |
| 6387 assert(f); | |
| 6388 | |
| 6389 // Look to see if f is really a function template | |
| 6390 if (0 && !istemp && f->parent) | |
| 6391 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6392 | |
| 6393 if (ti && | |
| 6394 (ti->name == f->ident || | |
| 6395 ti->toAlias()->ident == f->ident) | |
| 6396 && | |
| 6397 ti->tempdecl) | |
| 6398 { | |
| 6399 /* This is so that one can refer to the enclosing | |
| 6400 * template, even if it has the same name as a member | |
| 6401 * of the template, if it has a !(arguments) | |
| 6402 */ | |
| 6403 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6404 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6405 tempdecl = tempdecl->overroot; // then get the start | |
| 6406 e1 = new TemplateExp(loc, tempdecl); | |
| 6407 istemp = 1; | |
| 6408 goto Lagain; | |
| 6409 } | |
| 6410 } | |
| 6411 | |
| 6412 f = f->overloadResolve(loc, arguments); | |
| 6413 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6414 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6415 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6416 #endif |
| 159 | 6417 |
| 6418 if (f->needThis() && hasThis(sc)) | |
| 6419 { | |
| 6420 // Supply an implicit 'this', as in | |
| 6421 // this.ident | |
| 6422 | |
| 6423 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6424 goto Lagain; | |
| 6425 } | |
| 6426 | |
| 6427 accessCheck(loc, sc, NULL, f); | |
| 6428 | |
| 6429 ve->var = f; | |
| 6430 ve->type = f->type; | |
| 6431 t1 = f->type; | |
| 6432 } | |
| 6433 assert(t1->ty == Tfunction); | |
| 6434 tf = (TypeFunction *)(t1); | |
| 6435 | |
| 6436 Lcheckargs: | |
| 6437 assert(tf->ty == Tfunction); | |
| 6438 type = tf->next; | |
| 6439 | |
| 6440 if (!arguments) | |
| 6441 arguments = new Expressions(); | |
| 6442 functionArguments(loc, sc, tf, arguments); | |
| 6443 | |
| 6444 assert(type); | |
| 6445 | |
| 6446 if (f && f->tintro) | |
| 6447 { | |
| 6448 Type *t = type; | |
| 6449 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
|
6450 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
|
6451 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6452 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
|
6453 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6454 type = tf->next; |
| 159 | 6455 return castTo(sc, t); |
| 6456 } | |
| 6457 } | |
| 6458 | |
| 6459 return this; | |
| 6460 } | |
| 6461 | |
| 6462 int CallExp::checkSideEffect(int flag) | |
| 6463 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6464 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6465 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6466 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6467 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6468 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6469 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6470 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6471 /* 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
|
6472 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6473 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
|
6474 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6475 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6476 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6477 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6478 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6479 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6480 /* 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
|
6481 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6482 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6483 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6484 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6485 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6486 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
|
6487 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 #endif |
| 159 | 6489 return 1; |
| 6490 } | |
| 6491 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 /* 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
|
6499 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 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
|
6501 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 /* 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
|
6508 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6510 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6511 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6512 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6513 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 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
|
6515 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6523 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 |
| 159 | 6533 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6534 { | |
| 6535 if (type->toBasetype()->ty == Tstruct) | |
| 6536 return this; | |
| 6537 else | |
| 6538 return Expression::toLvalue(sc, e); | |
| 6539 } | |
| 6540 | |
| 6541 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6542 { int i; | |
| 6543 | |
| 6544 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6545 buf->writeByte('('); | |
| 6546 argsToCBuffer(buf, arguments, hgs); | |
| 6547 buf->writeByte(')'); | |
| 6548 } | |
| 6549 | |
| 6550 | |
| 6551 /************************************************************/ | |
| 6552 | |
| 6553 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6554 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6555 { | |
| 6556 } | |
| 6557 | |
| 6558 Expression *AddrExp::semantic(Scope *sc) | |
| 6559 { | |
| 6560 #if LOGSEMANTIC | |
| 6561 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6562 #endif | |
| 6563 if (!type) | |
| 6564 { | |
| 6565 UnaExp::semantic(sc); | |
| 6566 e1 = e1->toLvalue(sc, NULL); | |
| 6567 if (!e1->type) | |
| 6568 { | |
| 6569 error("cannot take address of %s", e1->toChars()); | |
| 6570 type = Type::tint32; | |
| 6571 return this; | |
| 6572 } | |
| 6573 type = e1->type->pointerTo(); | |
| 6574 | |
| 6575 // See if this should really be a delegate | |
| 6576 if (e1->op == TOKdotvar) | |
| 6577 { | |
| 6578 DotVarExp *dve = (DotVarExp *)e1; | |
| 6579 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6580 | |
| 6581 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
|
6582 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6583 e = e->semantic(sc); |
| 6584 return e; | |
| 6585 } | |
| 6586 } | |
| 6587 else if (e1->op == TOKvar) | |
| 6588 { | |
| 6589 VarExp *dve = (VarExp *)e1; | |
| 6590 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6591 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6592 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6593 // 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
|
6594 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
|
6595 { |
|
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
|
6596 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
|
6597 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
|
6598 } |
|
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
|
6599 |
| 159 | 6600 if (f && f->isNested()) |
| 6601 { Expression *e; | |
| 6602 | |
| 6603 e = new DelegateExp(loc, e1, f); | |
| 6604 e = e->semantic(sc); | |
| 6605 return e; | |
| 6606 } | |
| 6607 } | |
| 6608 else if (e1->op == TOKarray) | |
| 6609 { | |
| 6610 if (e1->type->toBasetype()->ty == Tbit) | |
| 6611 error("cannot take address of bit in array"); | |
| 6612 } | |
| 6613 return optimize(WANTvalue); | |
| 6614 } | |
| 6615 return this; | |
| 6616 } | |
| 6617 | |
| 6618 /************************************************************/ | |
| 6619 | |
| 6620 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6621 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6622 { | |
| 6623 if (e->type) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6624 type = ((TypePointer *)e->type)->next; |
| 159 | 6625 } |
| 6626 | |
| 6627 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6628 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6629 { | |
| 6630 type = t; | |
| 6631 } | |
| 6632 | |
| 6633 Expression *PtrExp::semantic(Scope *sc) | |
| 6634 { Type *tb; | |
| 6635 | |
| 6636 #if LOGSEMANTIC | |
| 6637 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6638 #endif | |
| 6639 UnaExp::semantic(sc); | |
| 6640 e1 = resolveProperties(sc, e1); | |
| 6641 if (type) | |
| 6642 return this; | |
| 6643 if (!e1->type) | |
| 6644 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6645 tb = e1->type->toBasetype(); | |
| 6646 switch (tb->ty) | |
| 6647 { | |
| 6648 case Tpointer: | |
| 6649 type = tb->next; | |
| 6650 if (type->isbit()) | |
| 6651 { Expression *e; | |
| 6652 | |
| 6653 // Rewrite *p as p[0] | |
| 6654 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6655 return e->semantic(sc); | |
| 6656 } | |
| 6657 break; | |
| 6658 | |
| 6659 case Tsarray: | |
| 6660 case Tarray: | |
| 6661 type = tb->next; | |
| 6662 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6663 break; | |
| 6664 | |
| 6665 default: | |
| 6666 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6667 type = Type::tint32; | |
| 6668 break; | |
| 6669 } | |
| 6670 rvalue(); | |
| 6671 return this; | |
| 6672 } | |
| 6673 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6674 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6675 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6676 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6677 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6678 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6679 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6680 |
| 159 | 6681 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6682 { | |
| 6683 #if 0 | |
| 6684 tym = tybasic(e1->ET->Tty); | |
| 6685 if (!(tyscalar(tym) || | |
| 6686 tym == TYstruct || | |
| 6687 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6688 synerr(EM_lvalue); // lvalue expected | |
| 6689 #endif | |
| 6690 return this; | |
| 6691 } | |
| 6692 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6693 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6694 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6695 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6696 //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
|
6697 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6698 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6702 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6703 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6704 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6705 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6707 |
| 159 | 6708 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6709 { | |
| 6710 buf->writeByte('*'); | |
| 6711 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6712 } | |
| 6713 | |
| 6714 /************************************************************/ | |
| 6715 | |
| 6716 NegExp::NegExp(Loc loc, Expression *e) | |
| 6717 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6718 { | |
| 6719 } | |
| 6720 | |
| 6721 Expression *NegExp::semantic(Scope *sc) | |
| 6722 { Expression *e; | |
| 6723 | |
| 6724 #if LOGSEMANTIC | |
| 6725 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6726 #endif | |
| 6727 if (!type) | |
| 6728 { | |
| 6729 UnaExp::semantic(sc); | |
| 6730 e1 = resolveProperties(sc, e1); | |
| 6731 e = op_overload(sc); | |
| 6732 if (e) | |
| 6733 return e; | |
| 6734 | |
| 6735 e1->checkNoBool(); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6736 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
|
6737 e1->checkArithmetic(); |
| 159 | 6738 type = e1->type; |
| 6739 } | |
| 6740 return this; | |
| 6741 } | |
| 6742 | |
| 6743 /************************************************************/ | |
| 6744 | |
| 6745 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6746 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6747 { | |
| 6748 } | |
| 6749 | |
| 6750 Expression *UAddExp::semantic(Scope *sc) | |
| 6751 { Expression *e; | |
| 6752 | |
| 6753 #if LOGSEMANTIC | |
| 6754 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6755 #endif | |
| 6756 assert(!type); | |
| 6757 UnaExp::semantic(sc); | |
| 6758 e1 = resolveProperties(sc, e1); | |
| 6759 e = op_overload(sc); | |
| 6760 if (e) | |
| 6761 return e; | |
| 6762 e1->checkNoBool(); | |
| 6763 e1->checkArithmetic(); | |
| 6764 return e1; | |
| 6765 } | |
| 6766 | |
| 6767 /************************************************************/ | |
| 6768 | |
| 6769 ComExp::ComExp(Loc loc, Expression *e) | |
| 6770 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6771 { | |
| 6772 } | |
| 6773 | |
| 6774 Expression *ComExp::semantic(Scope *sc) | |
| 6775 { Expression *e; | |
| 6776 | |
| 6777 if (!type) | |
| 6778 { | |
| 6779 UnaExp::semantic(sc); | |
| 6780 e1 = resolveProperties(sc, e1); | |
| 6781 e = op_overload(sc); | |
| 6782 if (e) | |
| 6783 return e; | |
| 6784 | |
| 6785 e1->checkNoBool(); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6786 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
|
6787 e1 = e1->checkIntegral(); |
| 159 | 6788 type = e1->type; |
| 6789 } | |
| 6790 return this; | |
| 6791 } | |
| 6792 | |
| 6793 /************************************************************/ | |
| 6794 | |
| 6795 NotExp::NotExp(Loc loc, Expression *e) | |
| 6796 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6797 { | |
| 6798 } | |
| 6799 | |
| 6800 Expression *NotExp::semantic(Scope *sc) | |
| 6801 { | |
| 6802 UnaExp::semantic(sc); | |
| 6803 e1 = resolveProperties(sc, e1); | |
| 6804 e1 = e1->checkToBoolean(); | |
| 6805 type = Type::tboolean; | |
| 6806 return this; | |
| 6807 } | |
| 6808 | |
| 6809 int NotExp::isBit() | |
| 6810 { | |
| 6811 return TRUE; | |
| 6812 } | |
| 6813 | |
| 6814 | |
| 6815 | |
| 6816 /************************************************************/ | |
| 6817 | |
| 6818 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6819 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6820 { | |
| 6821 type = t; | |
| 6822 } | |
| 6823 | |
| 6824 Expression *BoolExp::semantic(Scope *sc) | |
| 6825 { | |
| 6826 UnaExp::semantic(sc); | |
| 6827 e1 = resolveProperties(sc, e1); | |
| 6828 e1 = e1->checkToBoolean(); | |
| 6829 type = Type::tboolean; | |
| 6830 return this; | |
| 6831 } | |
| 6832 | |
| 6833 int BoolExp::isBit() | |
| 6834 { | |
| 6835 return TRUE; | |
| 6836 } | |
| 6837 | |
| 6838 /************************************************************/ | |
| 6839 | |
| 6840 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6841 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6842 { | |
| 6843 } | |
| 6844 | |
| 6845 Expression *DeleteExp::semantic(Scope *sc) | |
| 6846 { | |
| 6847 Type *tb; | |
| 6848 | |
| 6849 UnaExp::semantic(sc); | |
| 6850 e1 = resolveProperties(sc, e1); | |
| 6851 e1 = e1->toLvalue(sc, NULL); | |
| 6852 type = Type::tvoid; | |
| 6853 | |
| 6854 tb = e1->type->toBasetype(); | |
| 6855 switch (tb->ty) | |
| 6856 { case Tclass: | |
| 6857 { TypeClass *tc = (TypeClass *)tb; | |
| 6858 ClassDeclaration *cd = tc->sym; | |
| 6859 | |
| 6860 if (cd->isCOMinterface()) | |
| 6861 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6862 */ | |
| 6863 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6864 } | |
| 6865 break; | |
| 6866 } | |
| 6867 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
|
6868 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6869 if (tb->ty == Tstruct) |
| 6870 { | |
| 6871 TypeStruct *ts = (TypeStruct *)tb; | |
| 6872 StructDeclaration *sd = ts->sym; | |
| 6873 FuncDeclaration *f = sd->aggDelete; | |
| 6874 | |
| 6875 if (f) | |
| 6876 { | |
| 6877 Type *tpv = Type::tvoid->pointerTo(); | |
| 6878 | |
| 6879 Expression *e = e1->castTo(sc, tpv); | |
| 6880 Expression *ec = new VarExp(loc, f); | |
| 6881 e = new CallExp(loc, ec, e); | |
| 6882 return e->semantic(sc); | |
| 6883 } | |
| 6884 } | |
| 6885 break; | |
| 6886 | |
| 6887 case Tarray: | |
| 6888 break; | |
| 6889 | |
| 6890 default: | |
| 6891 if (e1->op == TOKindex) | |
| 6892 { | |
| 6893 IndexExp *ae = (IndexExp *)(e1); | |
| 6894 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6895 if (tb1->ty == Taarray) | |
| 6896 break; | |
| 6897 } | |
| 6898 error("cannot delete type %s", e1->type->toChars()); | |
| 6899 break; | |
| 6900 } | |
| 6901 | |
| 6902 if (e1->op == TOKindex) | |
| 6903 { | |
| 6904 IndexExp *ae = (IndexExp *)(e1); | |
| 6905 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6906 if (tb1->ty == Taarray) | |
| 6907 { if (!global.params.useDeprecated) | |
| 6908 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6909 } | |
| 6910 } | |
| 6911 | |
| 6912 return this; | |
| 6913 } | |
| 6914 | |
| 6915 int DeleteExp::checkSideEffect(int flag) | |
| 6916 { | |
| 6917 return 1; | |
| 6918 } | |
| 6919 | |
| 6920 Expression *DeleteExp::checkToBoolean() | |
| 6921 { | |
| 6922 error("delete does not give a boolean result"); | |
| 6923 return this; | |
| 6924 } | |
| 6925 | |
| 6926 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6927 { | |
| 6928 buf->writestring("delete "); | |
| 6929 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6930 } | |
| 6931 | |
| 6932 /************************************************************/ | |
| 6933 | |
| 6934 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6935 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6936 { | |
| 6937 to = t; | |
| 6938 } | |
| 6939 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6940 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6941 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6942 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6943 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
|
6944 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6945 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6946 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6947 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6948 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6949 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6950 |
| 159 | 6951 Expression *CastExp::syntaxCopy() |
| 6952 { | |
| 6953 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6954 } | |
| 6955 | |
| 6956 | |
| 6957 Expression *CastExp::semantic(Scope *sc) | |
| 6958 { Expression *e; | |
| 6959 BinExp *b; | |
| 6960 UnaExp *u; | |
| 6961 | |
| 6962 #if LOGSEMANTIC | |
| 6963 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6964 #endif | |
| 6965 | |
| 6966 //static int x; assert(++x < 10); | |
| 6967 | |
| 6968 if (type) | |
| 6969 return this; | |
| 6970 UnaExp::semantic(sc); | |
| 6971 if (e1->type) // if not a tuple | |
| 6972 { | |
| 6973 e1 = resolveProperties(sc, e1); | |
| 6974 to = to->semantic(loc, sc); | |
| 6975 | |
| 6976 e = op_overload(sc); | |
| 6977 if (e) | |
| 6978 { | |
| 6979 return e->implicitCastTo(sc, to); | |
| 6980 } | |
| 6981 | |
| 6982 Type *tob = to->toBasetype(); | |
| 6983 if (tob->ty == Tstruct && | |
| 6984 !tob->equals(e1->type->toBasetype()) && | |
| 6985 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 6986 ) | |
| 6987 { | |
| 6988 /* Look to replace: | |
| 6989 * cast(S)t | |
| 6990 * with: | |
| 6991 * S(t) | |
| 6992 */ | |
| 6993 | |
| 6994 // Rewrite as to.call(e1) | |
| 6995 e = new TypeExp(loc, to); | |
| 6996 e = new DotIdExp(loc, e, Id::call); | |
| 6997 e = new CallExp(loc, e, e1); | |
| 6998 e = e->semantic(sc); | |
| 6999 return e; | |
| 7000 } | |
| 7001 } | |
| 7002 e = e1->castTo(sc, to); | |
| 7003 return e; | |
| 7004 } | |
| 7005 | |
| 7006 int CastExp::checkSideEffect(int flag) | |
| 7007 { | |
| 7008 /* if not: | |
| 7009 * cast(void) | |
| 7010 * cast(classtype)func() | |
| 7011 */ | |
| 7012 if (!to->equals(Type::tvoid) && | |
| 7013 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7014 return Expression::checkSideEffect(flag); | |
| 7015 return 1; | |
| 7016 } | |
| 7017 | |
| 7018 void CastExp::checkEscape() | |
| 7019 { Type *tb = type->toBasetype(); | |
| 7020 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7021 e1->type->toBasetype()->ty == Tsarray) | |
| 7022 { VarExp *ve = (VarExp *)e1; | |
| 7023 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7024 if (v) | |
| 7025 { | |
| 7026 if (!v->isDataseg() && !v->isParameter()) | |
| 7027 error("escaping reference to local %s", v->toChars()); | |
| 7028 } | |
| 7029 } | |
| 7030 } | |
| 7031 | |
| 7032 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7033 { | |
| 7034 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7035 #if DMDV1 |
| 159 | 7036 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7037 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7038 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7039 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7040 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7041 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7042 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7043 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7044 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7045 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7046 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7047 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7048 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7049 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7050 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7051 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7052 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7053 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7054 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7055 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7056 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7057 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7058 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7059 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 #endif |
| 159 | 7064 buf->writeByte(')'); |
| 7065 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7066 } | |
| 7067 | |
| 7068 | |
| 7069 /************************************************************/ | |
| 7070 | |
| 7071 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7072 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7073 { | |
| 7074 this->upr = upr; | |
| 7075 this->lwr = lwr; | |
| 7076 lengthVar = NULL; | |
| 7077 } | |
| 7078 | |
| 7079 Expression *SliceExp::syntaxCopy() | |
| 7080 { | |
| 7081 Expression *lwr = NULL; | |
| 7082 if (this->lwr) | |
| 7083 lwr = this->lwr->syntaxCopy(); | |
| 7084 | |
| 7085 Expression *upr = NULL; | |
| 7086 if (this->upr) | |
| 7087 upr = this->upr->syntaxCopy(); | |
| 7088 | |
| 7089 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7090 } | |
| 7091 | |
| 7092 Expression *SliceExp::semantic(Scope *sc) | |
| 7093 { Expression *e; | |
| 7094 AggregateDeclaration *ad; | |
| 7095 //FuncDeclaration *fd; | |
| 7096 ScopeDsymbol *sym; | |
| 7097 | |
| 7098 #if LOGSEMANTIC | |
| 7099 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7100 #endif | |
| 7101 if (type) | |
| 7102 return this; | |
| 7103 | |
| 7104 UnaExp::semantic(sc); | |
| 7105 e1 = resolveProperties(sc, e1); | |
| 7106 | |
| 7107 e = this; | |
| 7108 | |
| 7109 Type *t = e1->type->toBasetype(); | |
| 7110 if (t->ty == Tpointer) | |
| 7111 { | |
| 7112 if (!lwr || !upr) | |
| 7113 error("need upper and lower bound to slice pointer"); | |
| 7114 } | |
| 7115 else if (t->ty == Tarray) | |
| 7116 { | |
| 7117 } | |
| 7118 else if (t->ty == Tsarray) | |
| 7119 { | |
| 7120 } | |
| 7121 else if (t->ty == Tclass) | |
| 7122 { | |
| 7123 ad = ((TypeClass *)t)->sym; | |
| 7124 goto L1; | |
| 7125 } | |
| 7126 else if (t->ty == Tstruct) | |
| 7127 { | |
| 7128 ad = ((TypeStruct *)t)->sym; | |
| 7129 | |
| 7130 L1: | |
| 7131 if (search_function(ad, Id::slice)) | |
| 7132 { | |
| 7133 // Rewrite as e1.slice(lwr, upr) | |
| 7134 e = new DotIdExp(loc, e1, Id::slice); | |
| 7135 | |
| 7136 if (lwr) | |
| 7137 { | |
| 7138 assert(upr); | |
| 7139 e = new CallExp(loc, e, lwr, upr); | |
| 7140 } | |
| 7141 else | |
| 7142 { assert(!upr); | |
| 7143 e = new CallExp(loc, e); | |
| 7144 } | |
| 7145 e = e->semantic(sc); | |
| 7146 return e; | |
| 7147 } | |
| 7148 goto Lerror; | |
| 7149 } | |
| 7150 else if (t->ty == Ttuple) | |
| 7151 { | |
| 7152 if (!lwr && !upr) | |
| 7153 return e1; | |
| 7154 if (!lwr || !upr) | |
| 7155 { error("need upper and lower bound to slice tuple"); | |
| 7156 goto Lerror; | |
| 7157 } | |
| 7158 } | |
| 7159 else | |
| 7160 goto Lerror; | |
| 7161 | |
| 7162 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7163 { | |
| 7164 sym = new ArrayScopeSymbol(this); | |
| 7165 sym->loc = loc; | |
| 7166 sym->parent = sc->scopesym; | |
| 7167 sc = sc->push(sym); | |
| 7168 } | |
| 7169 | |
| 7170 if (lwr) | |
| 7171 { lwr = lwr->semantic(sc); | |
| 7172 lwr = resolveProperties(sc, lwr); | |
| 7173 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7174 } | |
| 7175 if (upr) | |
| 7176 { upr = upr->semantic(sc); | |
| 7177 upr = resolveProperties(sc, upr); | |
| 7178 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7179 } | |
| 7180 | |
| 7181 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7182 sc->pop(); | |
| 7183 | |
| 7184 if (t->ty == Ttuple) | |
| 7185 { | |
| 7186 lwr = lwr->optimize(WANTvalue); | |
| 7187 upr = upr->optimize(WANTvalue); | |
| 7188 uinteger_t i1 = lwr->toUInteger(); | |
| 7189 uinteger_t i2 = upr->toUInteger(); | |
| 7190 | |
| 7191 size_t length; | |
| 7192 TupleExp *te; | |
| 7193 TypeTuple *tup; | |
| 7194 | |
| 7195 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7196 { te = (TupleExp *)e1; | |
| 7197 length = te->exps->dim; | |
| 7198 } | |
| 7199 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7200 { tup = (TypeTuple *)t; | |
| 7201 length = Argument::dim(tup->arguments); | |
| 7202 } | |
| 7203 else | |
| 7204 assert(0); | |
| 7205 | |
| 7206 if (i1 <= i2 && i2 <= length) | |
| 7207 { size_t j1 = (size_t) i1; | |
| 7208 size_t j2 = (size_t) i2; | |
| 7209 | |
| 7210 if (e1->op == TOKtuple) | |
| 7211 { Expressions *exps = new Expressions; | |
| 7212 exps->setDim(j2 - j1); | |
| 7213 for (size_t i = 0; i < j2 - j1; i++) | |
| 7214 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7215 exps->data[i] = (void *)e; | |
| 7216 } | |
| 7217 e = new TupleExp(loc, exps); | |
| 7218 } | |
| 7219 else | |
| 7220 { Arguments *args = new Arguments; | |
| 7221 args->reserve(j2 - j1); | |
| 7222 for (size_t i = j1; i < j2; i++) | |
| 7223 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7224 args->push(arg); | |
| 7225 } | |
| 7226 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7227 } | |
| 7228 e = e->semantic(sc); | |
| 7229 } | |
| 7230 else | |
| 7231 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7232 error("string slice [%llu .. %llu] is out of bounds", i1, i2); |
| 159 | 7233 e = e1; |
| 7234 } | |
| 7235 return e; | |
| 7236 } | |
| 7237 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7238 type = t->nextOf()->arrayOf(); |
| 159 | 7239 return e; |
| 7240 | |
| 7241 Lerror: | |
| 7242 char *s; | |
| 7243 if (t->ty == Tvoid) | |
| 7244 s = e1->toChars(); | |
| 7245 else | |
| 7246 s = t->toChars(); | |
| 7247 error("%s cannot be sliced with []", s); | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
7248 e = new IntegerExp(0); |
| 159 | 7249 return e; |
| 7250 } | |
| 7251 | |
| 7252 void SliceExp::checkEscape() | |
| 7253 { | |
| 7254 e1->checkEscape(); | |
| 7255 } | |
| 7256 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7257 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7258 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7259 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7260 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7261 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7262 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7263 |
| 159 | 7264 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7265 { | |
| 7266 return this; | |
| 7267 } | |
| 7268 | |
| 7269 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7270 { | |
| 7271 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7272 return this; | |
| 7273 } | |
| 7274 | |
| 7275 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7276 { | |
| 7277 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7278 buf->writeByte('['); | |
| 7279 if (upr || lwr) | |
| 7280 { | |
| 7281 if (lwr) | |
| 7282 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7283 else | |
| 7284 buf->writeByte('0'); | |
| 7285 buf->writestring(".."); | |
| 7286 if (upr) | |
| 7287 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7288 else | |
| 7289 buf->writestring("length"); // BUG: should be array.length | |
| 7290 } | |
| 7291 buf->writeByte(']'); | |
| 7292 } | |
| 7293 | |
| 7294 /********************** ArrayLength **************************************/ | |
| 7295 | |
| 7296 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7297 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7298 { | |
| 7299 } | |
| 7300 | |
| 7301 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7302 { Expression *e; | |
| 7303 | |
| 7304 #if LOGSEMANTIC | |
| 7305 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7306 #endif | |
| 7307 if (!type) | |
| 7308 { | |
| 7309 UnaExp::semantic(sc); | |
| 7310 e1 = resolveProperties(sc, e1); | |
| 7311 | |
| 7312 type = Type::tsize_t; | |
| 7313 } | |
| 7314 return this; | |
| 7315 } | |
| 7316 | |
| 7317 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7318 { | |
| 7319 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7320 buf->writestring(".length"); | |
| 7321 } | |
| 7322 | |
| 7323 /*********************** ArrayExp *************************************/ | |
| 7324 | |
| 7325 // e1 [ i1, i2, i3, ... ] | |
| 7326 | |
| 7327 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7328 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7329 { | |
| 7330 arguments = args; | |
| 7331 } | |
| 7332 | |
| 7333 Expression *ArrayExp::syntaxCopy() | |
| 7334 { | |
| 7335 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7336 } | |
| 7337 | |
| 7338 Expression *ArrayExp::semantic(Scope *sc) | |
| 7339 { Expression *e; | |
| 7340 Type *t1; | |
| 7341 | |
| 7342 #if LOGSEMANTIC | |
| 7343 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7344 #endif | |
| 7345 UnaExp::semantic(sc); | |
| 7346 e1 = resolveProperties(sc, e1); | |
| 7347 | |
| 7348 t1 = e1->type->toBasetype(); | |
| 7349 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7350 { // Convert to IndexExp | |
| 7351 if (arguments->dim != 1) | |
| 7352 error("only one index allowed to index %s", t1->toChars()); | |
| 7353 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7354 return e->semantic(sc); | |
| 7355 } | |
| 7356 | |
| 7357 // Run semantic() on each argument | |
| 7358 for (size_t i = 0; i < arguments->dim; i++) | |
| 7359 { e = (Expression *)arguments->data[i]; | |
| 7360 | |
| 7361 e = e->semantic(sc); | |
| 7362 if (!e->type) | |
| 7363 error("%s has no value", e->toChars()); | |
| 7364 arguments->data[i] = (void *)e; | |
| 7365 } | |
| 7366 | |
| 7367 expandTuples(arguments); | |
| 7368 assert(arguments && arguments->dim); | |
| 7369 | |
| 7370 e = op_overload(sc); | |
| 7371 if (!e) | |
| 7372 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7373 e = e1; | |
| 7374 } | |
| 7375 return e; | |
| 7376 } | |
| 7377 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7378 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7379 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7380 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7381 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7382 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7383 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7384 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7385 #endif |
| 159 | 7386 |
| 7387 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7388 { | |
| 7389 if (type && type->toBasetype()->ty == Tvoid) | |
| 7390 error("voids have no value"); | |
| 7391 return this; | |
| 7392 } | |
| 7393 | |
| 7394 | |
| 7395 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7396 { int i; | |
| 7397 | |
| 7398 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7399 buf->writeByte('['); | |
| 7400 argsToCBuffer(buf, arguments, hgs); | |
| 7401 buf->writeByte(']'); | |
| 7402 } | |
| 7403 | |
| 7404 /************************* DotExp ***********************************/ | |
| 7405 | |
| 7406 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7407 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7408 { | |
| 7409 } | |
| 7410 | |
| 7411 Expression *DotExp::semantic(Scope *sc) | |
| 7412 { | |
| 7413 #if LOGSEMANTIC | |
| 7414 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7415 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7416 #endif | |
| 7417 e1 = e1->semantic(sc); | |
| 7418 e2 = e2->semantic(sc); | |
| 7419 if (e2->op == TOKimport) | |
| 7420 { | |
| 7421 ScopeExp *se = (ScopeExp *)e2; | |
| 7422 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7423 if (td) | |
| 7424 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7425 e = e->semantic(sc); | |
| 7426 return e; | |
| 7427 } | |
| 7428 } | |
| 7429 if (!type) | |
| 7430 type = e2->type; | |
| 7431 return this; | |
| 7432 } | |
| 7433 | |
| 7434 | |
| 7435 /************************* CommaExp ***********************************/ | |
| 7436 | |
| 7437 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7438 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7439 { | |
| 7440 } | |
| 7441 | |
| 7442 Expression *CommaExp::semantic(Scope *sc) | |
| 7443 { | |
| 7444 if (!type) | |
| 7445 { BinExp::semanticp(sc); | |
| 7446 type = e2->type; | |
| 7447 } | |
| 7448 return this; | |
| 7449 } | |
| 7450 | |
| 7451 void CommaExp::checkEscape() | |
| 7452 { | |
| 7453 e2->checkEscape(); | |
| 7454 } | |
| 7455 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7456 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7457 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7458 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7459 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7460 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7461 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7462 |
| 159 | 7463 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7464 { | |
| 7465 e2 = e2->toLvalue(sc, NULL); | |
| 7466 return this; | |
| 7467 } | |
| 7468 | |
| 7469 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7470 { | |
| 7471 e2 = e2->modifiableLvalue(sc, e); | |
| 7472 return this; | |
| 7473 } | |
| 7474 | |
| 7475 int CommaExp::isBool(int result) | |
| 7476 { | |
| 7477 return e2->isBool(result); | |
| 7478 } | |
| 7479 | |
| 7480 int CommaExp::checkSideEffect(int flag) | |
| 7481 { | |
| 7482 if (flag == 2) | |
| 7483 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7484 else | |
| 7485 { | |
| 7486 // Don't check e1 until we cast(void) the a,b code generation | |
| 7487 return e2->checkSideEffect(flag); | |
| 7488 } | |
| 7489 } | |
| 7490 | |
| 7491 /************************** IndexExp **********************************/ | |
| 7492 | |
| 7493 // e1 [ e2 ] | |
| 7494 | |
| 7495 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7496 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7497 { | |
| 7498 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7499 lengthVar = NULL; | |
| 7500 modifiable = 0; // assume it is an rvalue | |
| 7501 } | |
| 7502 | |
| 7503 Expression *IndexExp::semantic(Scope *sc) | |
| 7504 { Expression *e; | |
| 7505 BinExp *b; | |
| 7506 UnaExp *u; | |
| 7507 Type *t1; | |
| 7508 ScopeDsymbol *sym; | |
| 7509 | |
| 7510 #if LOGSEMANTIC | |
| 7511 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7512 #endif | |
| 7513 if (type) | |
| 7514 return this; | |
| 7515 if (!e1->type) | |
| 7516 e1 = e1->semantic(sc); | |
| 7517 assert(e1->type); // semantic() should already be run on it | |
| 7518 e = this; | |
| 7519 | |
| 7520 // Note that unlike C we do not implement the int[ptr] | |
| 7521 | |
| 7522 t1 = e1->type->toBasetype(); | |
| 7523 | |
| 7524 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7525 { // Create scope for 'length' variable | |
| 7526 sym = new ArrayScopeSymbol(this); | |
| 7527 sym->loc = loc; | |
| 7528 sym->parent = sc->scopesym; | |
| 7529 sc = sc->push(sym); | |
| 7530 } | |
| 7531 | |
| 7532 e2 = e2->semantic(sc); | |
| 7533 if (!e2->type) | |
| 7534 { | |
| 7535 error("%s has no value", e2->toChars()); | |
| 7536 e2->type = Type::terror; | |
| 7537 } | |
| 7538 e2 = resolveProperties(sc, e2); | |
| 7539 | |
| 7540 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7541 sc = sc->pop(); | |
| 7542 | |
| 7543 switch (t1->ty) | |
| 7544 { | |
| 7545 case Tpointer: | |
| 7546 case Tarray: | |
| 7547 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7548 e->type = t1->next; | |
| 7549 break; | |
| 7550 | |
| 7551 case Tsarray: | |
| 7552 { | |
| 7553 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7554 | |
| 7555 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7556 | |
| 7557 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7558 // Do compile time array bounds checking if possible | |
| 7559 e2 = e2->optimize(WANTvalue); | |
| 7560 if (e2->op == TOKint64) | |
| 7561 { | |
| 7562 integer_t index = e2->toInteger(); | |
| 7563 integer_t length = tsa->dim->toInteger(); | |
| 7564 if (index < 0 || index >= length) | |
| 7565 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7566 index, length); | |
| 7567 } | |
| 7568 #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
|
7569 e->type = t1->nextOf(); |
| 159 | 7570 break; |
| 7571 } | |
| 7572 | |
| 7573 case Taarray: | |
| 7574 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7575 | |
| 7576 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7577 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7578 type = taa->next; | |
| 7579 break; | |
| 7580 } | |
| 7581 | |
| 7582 case Ttuple: | |
| 7583 { | |
| 7584 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7585 e2 = e2->optimize(WANTvalue); | |
| 7586 uinteger_t index = e2->toUInteger(); | |
| 7587 size_t length; | |
| 7588 TupleExp *te; | |
| 7589 TypeTuple *tup; | |
| 7590 | |
| 7591 if (e1->op == TOKtuple) | |
| 7592 { te = (TupleExp *)e1; | |
| 7593 length = te->exps->dim; | |
| 7594 } | |
| 7595 else if (e1->op == TOKtype) | |
| 7596 { | |
| 7597 tup = (TypeTuple *)t1; | |
| 7598 length = Argument::dim(tup->arguments); | |
| 7599 } | |
| 7600 else | |
| 7601 assert(0); | |
| 7602 | |
| 7603 if (index < length) | |
| 7604 { | |
| 7605 | |
| 7606 if (e1->op == TOKtuple) | |
| 7607 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7608 else | |
| 7609 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7610 } | |
| 7611 else | |
| 7612 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7613 error("array index [%llu] is outside array bounds [0 .. %"PRIuSIZE"]", |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7614 index, length); |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7615 e = e1; |
| 159 | 7616 } |
| 7617 break; | |
| 7618 } | |
| 7619 | |
| 7620 default: | |
| 7621 error("%s must be an array or pointer type, not %s", | |
| 7622 e1->toChars(), e1->type->toChars()); | |
| 7623 type = Type::tint32; | |
| 7624 break; | |
| 7625 } | |
| 7626 return e; | |
| 7627 } | |
| 7628 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7629 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7630 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7631 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7632 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7633 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7634 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7635 |
| 159 | 7636 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7637 { | |
| 7638 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7639 // error("voids have no value"); | |
| 7640 return this; | |
| 7641 } | |
| 7642 | |
| 7643 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7644 { | |
| 7645 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7646 modifiable = 1; | |
| 7647 if (e1->op == TOKstring) | |
| 7648 error("string literals are immutable"); | |
| 7649 if (e1->type->toBasetype()->ty == Taarray) | |
| 7650 e1 = e1->modifiableLvalue(sc, e1); | |
| 7651 return toLvalue(sc, e); | |
| 7652 } | |
| 7653 | |
| 7654 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7655 { | |
| 7656 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7657 buf->writeByte('['); | |
| 7658 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7659 buf->writeByte(']'); | |
| 7660 } | |
| 7661 | |
| 7662 | |
| 7663 /************************* PostExp ***********************************/ | |
| 7664 | |
| 7665 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7666 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7667 new IntegerExp(loc, 1, Type::tint32)) | |
| 7668 { | |
| 7669 } | |
| 7670 | |
| 7671 Expression *PostExp::semantic(Scope *sc) | |
| 7672 { Expression *e = this; | |
| 7673 | |
| 7674 if (!type) | |
| 7675 { | |
| 7676 BinExp::semantic(sc); | |
| 7677 e2 = resolveProperties(sc, e2); | |
| 7678 | |
| 7679 e = op_overload(sc); | |
| 7680 if (e) | |
| 7681 return e; | |
| 7682 | |
| 7683 e = this; | |
| 7684 e1 = e1->modifiableLvalue(sc, e1); | |
| 7685 e1->checkScalar(); | |
| 7686 e1->checkNoBool(); | |
| 7687 if (e1->type->ty == Tpointer) | |
| 7688 e = scaleFactor(sc); | |
| 7689 else | |
| 7690 e2 = e2->castTo(sc, e1->type); | |
| 7691 e->type = e1->type; | |
| 7692 } | |
| 7693 return e; | |
| 7694 } | |
| 7695 | |
| 7696 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7697 { | |
| 7698 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7699 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7700 } | |
| 7701 | |
| 7702 /************************************************************/ | |
| 7703 | |
| 7704 /* Can be TOKconstruct too */ | |
| 7705 | |
| 7706 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7707 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7708 { | |
| 7709 ismemset = 0; | |
| 7710 } | |
| 7711 | |
| 7712 Expression *AssignExp::semantic(Scope *sc) | |
| 7713 { Type *t1; | |
| 7714 Expression *e1old = e1; | |
| 7715 | |
| 7716 #if LOGSEMANTIC | |
| 7717 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7718 #endif | |
| 7719 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7720 | |
| 7721 /* Look for operator overloading of a[i]=value. | |
| 7722 * Do it before semantic() otherwise the a[i] will have been | |
| 7723 * converted to a.opIndex() already. | |
| 7724 */ | |
| 7725 if (e1->op == TOKarray) | |
| 7726 { Type *t1; | |
| 7727 ArrayExp *ae = (ArrayExp *)e1; | |
| 7728 AggregateDeclaration *ad; | |
| 7729 Identifier *id = Id::index; | |
| 7730 | |
| 7731 ae->e1 = ae->e1->semantic(sc); | |
| 7732 t1 = ae->e1->type->toBasetype(); | |
| 7733 if (t1->ty == Tstruct) | |
| 7734 { | |
| 7735 ad = ((TypeStruct *)t1)->sym; | |
| 7736 goto L1; | |
| 7737 } | |
| 7738 else if (t1->ty == Tclass) | |
| 7739 { | |
| 7740 ad = ((TypeClass *)t1)->sym; | |
| 7741 L1: | |
| 7742 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7743 if (search_function(ad, Id::indexass)) | |
| 7744 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7745 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7746 | |
| 7747 a->insert(0, e2); | |
| 7748 e = new CallExp(loc, e, a); | |
| 7749 e = e->semantic(sc); | |
| 7750 return e; | |
| 7751 } | |
| 7752 else | |
| 7753 { | |
| 7754 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7755 if (search_function(ad, id)) | |
| 7756 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7757 | |
| 7758 if (1 || !global.params.useDeprecated) | |
| 7759 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7760 | |
| 7761 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7762 e = e->semantic(sc); | |
| 7763 return e; | |
| 7764 } | |
| 7765 } | |
| 7766 } | |
| 7767 } | |
| 7768 /* Look for operator overloading of a[i..j]=value. | |
| 7769 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7770 * converted to a.opSlice() already. | |
| 7771 */ | |
| 7772 if (e1->op == TOKslice) | |
| 7773 { Type *t1; | |
| 7774 SliceExp *ae = (SliceExp *)e1; | |
| 7775 AggregateDeclaration *ad; | |
| 7776 Identifier *id = Id::index; | |
| 7777 | |
| 7778 ae->e1 = ae->e1->semantic(sc); | |
| 7779 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7780 t1 = ae->e1->type->toBasetype(); | |
| 7781 if (t1->ty == Tstruct) | |
| 7782 { | |
| 7783 ad = ((TypeStruct *)t1)->sym; | |
| 7784 goto L2; | |
| 7785 } | |
| 7786 else if (t1->ty == Tclass) | |
| 7787 { | |
| 7788 ad = ((TypeClass *)t1)->sym; | |
| 7789 L2: | |
| 7790 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7791 if (search_function(ad, Id::sliceass)) | |
| 7792 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7793 Expressions *a = new Expressions(); | |
| 7794 | |
| 7795 a->push(e2); | |
| 7796 if (ae->lwr) | |
| 7797 { a->push(ae->lwr); | |
| 7798 assert(ae->upr); | |
| 7799 a->push(ae->upr); | |
| 7800 } | |
| 7801 else | |
| 7802 assert(!ae->upr); | |
| 7803 e = new CallExp(loc, e, a); | |
| 7804 e = e->semantic(sc); | |
| 7805 return e; | |
| 7806 } | |
| 7807 } | |
| 7808 } | |
| 7809 | |
| 7810 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7811 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7812 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7813 { // 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
|
7814 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7815 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7816 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7817 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7818 |
| 159 | 7819 e2 = resolveProperties(sc, e2); |
| 7820 assert(e1->type); | |
| 7821 | |
| 7822 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7823 */ | |
| 7824 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7825 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7826 TupleExp *tup2 = (TupleExp *)e2; | |
| 7827 size_t dim = tup1->exps->dim; | |
| 7828 if (dim != tup2->exps->dim) | |
| 7829 { | |
| 7830 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7831 } | |
| 7832 else | |
| 7833 { Expressions *exps = new Expressions; | |
| 7834 exps->setDim(dim); | |
| 7835 | |
| 7836 for (int i = 0; i < dim; i++) | |
| 7837 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7838 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7839 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7840 } | |
| 7841 Expression *e = new TupleExp(loc, exps); | |
| 7842 e = e->semantic(sc); | |
| 7843 return e; | |
| 7844 } | |
| 7845 } | |
| 7846 | |
| 7847 t1 = e1->type->toBasetype(); | |
| 7848 | |
| 7849 if (t1->ty == Tfunction) | |
| 7850 { // Rewrite f=value to f(value) | |
| 7851 Expression *e; | |
| 7852 | |
| 7853 e = new CallExp(loc, e1, e2); | |
| 7854 e = e->semantic(sc); | |
| 7855 return e; | |
| 7856 } | |
| 7857 | |
| 7858 /* If it is an assignment from a 'foreign' type, | |
| 7859 * check for operator overloading. | |
| 7860 */ | |
| 7861 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7862 { | |
| 7863 if (!e2->type->implicitConvTo(e1->type)) | |
| 7864 { | |
| 7865 Expression *e = op_overload(sc); | |
| 7866 if (e) | |
| 7867 return e; | |
| 7868 } | |
| 7869 } | |
| 7870 | |
| 7871 e2->rvalue(); | |
| 7872 | |
| 7873 if (e1->op == TOKarraylength) | |
| 7874 { | |
| 7875 // e1 is not an lvalue, but we let code generator handle it | |
| 7876 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7877 | |
| 7878 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7879 } | |
| 7880 else if (e1->op == TOKslice) | |
| 7881 ; | |
| 7882 else | |
| 7883 { // Try to do a decent error message with the expression | |
| 7884 // before it got constant folded | |
| 7885 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7886 } | |
| 7887 | |
| 7888 if (e1->op == TOKslice && | |
| 7889 t1->nextOf() && | |
| 7890 e2->implicitConvTo(t1->nextOf()) | |
| 7891 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7892 ) | |
| 7893 { // memset | |
| 7894 ismemset = 1; // make it easy for back end to tell what this is | |
| 7895 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7896 } | |
| 7897 else if (t1->ty == Tsarray) | |
| 7898 { | |
| 7899 error("cannot assign to static array %s", e1->toChars()); | |
| 7900 } | |
| 7901 else | |
| 7902 { | |
| 7903 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7904 } | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7905 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
7906 /* 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
|
7907 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7908 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:
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diff
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|
7909 (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:
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diff
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|
7910 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
|
7911 e2->op == TOKmod || e2->op == TOKxor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
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|
7912 e2->op == TOKand || e2->op == TOKor || |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
7913 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
|
7914 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7915 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
|
7916 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
|
7917 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7918 |
| 159 | 7919 type = e1->type; |
| 7920 assert(type); | |
| 7921 return this; | |
| 7922 } | |
| 7923 | |
| 7924 Expression *AssignExp::checkToBoolean() | |
| 7925 { | |
| 7926 // Things like: | |
| 7927 // if (a = b) ... | |
| 7928 // are usually mistakes. | |
| 7929 | |
| 7930 error("'=' does not give a boolean result"); | |
| 7931 return this; | |
| 7932 } | |
| 7933 | |
| 7934 /************************************************************/ | |
| 7935 | |
| 7936 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7937 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7938 { | |
| 7939 } | |
| 7940 | |
| 7941 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7942 { Expression *e; | |
| 7943 | |
| 7944 if (type) | |
| 7945 return this; | |
| 7946 | |
| 7947 BinExp::semantic(sc); | |
| 7948 e2 = resolveProperties(sc, e2); | |
| 7949 | |
| 7950 e = op_overload(sc); | |
| 7951 if (e) | |
| 7952 return e; | |
| 7953 | |
| 7954 Type *tb1 = e1->type->toBasetype(); | |
| 7955 Type *tb2 = e2->type->toBasetype(); | |
| 7956 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
7957 if (e1->op == TOKslice) |
|
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
|
7958 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7959 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
|
7960 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
|
7961 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
|
7962 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7963 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7964 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7965 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
|
7966 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7967 |
| 159 | 7968 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7969 (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
|
7970 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7971 ) |
| 7972 { | |
| 7973 type = e1->type; | |
| 7974 e = this; | |
| 7975 } | |
| 7976 else | |
| 7977 { | |
| 7978 e1->checkScalar(); | |
| 7979 e1->checkNoBool(); | |
| 7980 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 7981 e = scaleFactor(sc); | |
| 7982 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 7983 { | |
| 7984 #if 0 | |
| 7985 // Need to rethink this | |
| 7986 if (e1->op != TOKvar) | |
| 7987 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 7988 VarDeclaration *v; | |
| 7989 Expression *ea; | |
| 7990 Expression *ex; | |
| 7991 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7992 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 7993 |
| 7994 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 7995 v->semantic(sc); | |
| 7996 if (!sc->insert(v)) | |
| 7997 assert(0); | |
| 7998 v->parent = sc->func; | |
| 7999 | |
| 8000 ea = new AddrExp(loc, e1); | |
| 8001 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8002 | |
| 8003 ex = new VarExp(loc, v); | |
| 8004 ex = new PtrExp(loc, ex); | |
| 8005 e = new AddExp(loc, ex, e2); | |
| 8006 e = new CastExp(loc, e, e1->type); | |
| 8007 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8008 | |
| 8009 e = new CommaExp(loc, ea, e); | |
| 8010 } | |
| 8011 else | |
| 8012 #endif | |
| 8013 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8014 // BUG: doesn't account for side effects in e1 | |
| 8015 // BUG: other assignment operators for bits aren't handled at all | |
| 8016 e = new AddExp(loc, e1, e2); | |
| 8017 e = new CastExp(loc, e, e1->type); | |
| 8018 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8019 } | |
| 8020 e = e->semantic(sc); | |
| 8021 } | |
| 8022 else | |
| 8023 { | |
| 8024 type = e1->type; | |
| 8025 typeCombine(sc); | |
| 8026 e1->checkArithmetic(); | |
| 8027 e2->checkArithmetic(); | |
| 8028 if (type->isreal() || type->isimaginary()) | |
| 8029 { | |
| 8030 assert(global.errors || e2->type->isfloating()); | |
| 8031 e2 = e2->castTo(sc, e1->type); | |
| 8032 } | |
| 8033 e = this; | |
| 8034 } | |
| 8035 } | |
| 8036 return e; | |
| 8037 } | |
| 8038 | |
| 8039 /************************************************************/ | |
| 8040 | |
| 8041 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8042 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8043 { | |
| 8044 } | |
| 8045 | |
| 8046 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8047 { Expression *e; | |
| 8048 | |
| 8049 if (type) | |
| 8050 return this; | |
| 8051 | |
| 8052 BinExp::semantic(sc); | |
| 8053 e2 = resolveProperties(sc, e2); | |
| 8054 | |
| 8055 e = op_overload(sc); | |
| 8056 if (e) | |
| 8057 return e; | |
| 8058 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8059 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
|
8060 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8061 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
|
8062 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
|
8063 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
|
8064 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8065 |
| 159 | 8066 e1 = e1->modifiableLvalue(sc, e1); |
| 8067 e1->checkScalar(); | |
| 8068 e1->checkNoBool(); | |
| 8069 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8070 e = scaleFactor(sc); | |
| 8071 else | |
| 8072 { | |
| 8073 e1 = e1->checkArithmetic(); | |
| 8074 e2 = e2->checkArithmetic(); | |
| 8075 type = e1->type; | |
| 8076 typeCombine(sc); | |
| 8077 if (type->isreal() || type->isimaginary()) | |
| 8078 { | |
| 8079 assert(e2->type->isfloating()); | |
| 8080 e2 = e2->castTo(sc, e1->type); | |
| 8081 } | |
| 8082 e = this; | |
| 8083 } | |
| 8084 return e; | |
| 8085 } | |
| 8086 | |
| 8087 /************************************************************/ | |
| 8088 | |
| 8089 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8090 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8091 { | |
| 8092 } | |
| 8093 | |
| 8094 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8095 { Expression *e; | |
| 8096 | |
| 8097 BinExp::semantic(sc); | |
| 8098 e2 = resolveProperties(sc, e2); | |
| 8099 | |
| 8100 e = op_overload(sc); | |
| 8101 if (e) | |
| 8102 return e; | |
| 8103 | |
| 8104 if (e1->op == TOKslice) | |
| 8105 { SliceExp *se = (SliceExp *)e1; | |
| 8106 | |
| 8107 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8108 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8109 } | |
| 8110 | |
| 8111 e1 = e1->modifiableLvalue(sc, e1); | |
| 8112 | |
| 8113 Type *tb1 = e1->type->toBasetype(); | |
| 8114 Type *tb2 = e2->type->toBasetype(); | |
| 8115 | |
| 8116 e2->rvalue(); | |
| 8117 | |
| 8118 if ((tb1->ty == Tarray) && | |
| 8119 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8120 e2->implicitConvTo(e1->type) | |
| 8121 //e1->type->next->equals(e2->type->next) | |
| 8122 ) | |
| 8123 { // Append array | |
| 8124 e2 = e2->castTo(sc, e1->type); | |
| 8125 type = e1->type; | |
| 8126 e = this; | |
| 8127 } | |
| 8128 else if ((tb1->ty == Tarray) && | |
|
510
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parents:
486
diff
changeset
|
8129 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8130 ) |
| 8131 { // Append element | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8132 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8133 type = e1->type; |
| 8134 e = this; | |
| 8135 } | |
| 8136 else | |
| 8137 { | |
| 8138 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8139 type = Type::tint32; | |
| 8140 e = this; | |
| 8141 } | |
| 8142 return e; | |
| 8143 } | |
| 8144 | |
| 8145 /************************************************************/ | |
| 8146 | |
| 8147 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8148 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8149 { | |
| 8150 } | |
| 8151 | |
| 8152 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8153 { Expression *e; | |
| 8154 | |
| 8155 BinExp::semantic(sc); | |
| 8156 e2 = resolveProperties(sc, e2); | |
| 8157 | |
| 8158 e = op_overload(sc); | |
| 8159 if (e) | |
| 8160 return e; | |
| 8161 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8162 if (e1->op == TOKslice) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8163 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8164 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8165 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8166 return arrayOp(sc); |
|
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
|
8167 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8168 |
| 159 | 8169 e1 = e1->modifiableLvalue(sc, e1); |
| 8170 e1->checkScalar(); | |
| 8171 e1->checkNoBool(); | |
| 8172 type = e1->type; | |
| 8173 typeCombine(sc); | |
| 8174 e1->checkArithmetic(); | |
| 8175 e2->checkArithmetic(); | |
| 8176 if (e2->type->isfloating()) | |
| 8177 { Type *t1; | |
| 8178 Type *t2; | |
| 8179 | |
| 8180 t1 = e1->type; | |
| 8181 t2 = e2->type; | |
| 8182 if (t1->isreal()) | |
| 8183 { | |
| 8184 if (t2->isimaginary() || t2->iscomplex()) | |
| 8185 { | |
| 8186 e2 = e2->castTo(sc, t1); | |
| 8187 } | |
| 8188 } | |
| 8189 else if (t1->isimaginary()) | |
| 8190 { | |
| 8191 if (t2->isimaginary() || t2->iscomplex()) | |
| 8192 { | |
| 8193 switch (t1->ty) | |
| 8194 { | |
| 8195 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8196 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8197 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8198 default: | |
| 8199 assert(0); | |
| 8200 } | |
| 8201 e2 = e2->castTo(sc, t2); | |
| 8202 } | |
| 8203 } | |
| 8204 } | |
| 8205 return this; | |
| 8206 } | |
| 8207 | |
| 8208 /************************************************************/ | |
| 8209 | |
| 8210 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8211 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8212 { | |
| 8213 } | |
| 8214 | |
| 8215 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8216 { Expression *e; | |
| 8217 | |
| 8218 BinExp::semantic(sc); | |
| 8219 e2 = resolveProperties(sc, e2); | |
| 8220 | |
| 8221 e = op_overload(sc); | |
| 8222 if (e) | |
| 8223 return e; | |
| 8224 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8225 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
|
8226 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8227 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
|
8228 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
|
8229 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
|
8230 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8231 |
| 159 | 8232 e1 = e1->modifiableLvalue(sc, e1); |
| 8233 e1->checkScalar(); | |
| 8234 e1->checkNoBool(); | |
| 8235 type = e1->type; | |
| 8236 typeCombine(sc); | |
| 8237 e1->checkArithmetic(); | |
| 8238 e2->checkArithmetic(); | |
| 8239 if (e2->type->isimaginary()) | |
| 8240 { Type *t1; | |
| 8241 Type *t2; | |
| 8242 | |
| 8243 t1 = e1->type; | |
| 8244 if (t1->isreal()) | |
| 8245 { // x/iv = i(-x/v) | |
| 8246 // Therefore, the result is 0 | |
| 8247 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8248 e2->type = t1; | |
| 8249 e = new AssignExp(loc, e1, e2); | |
| 8250 e->type = t1; | |
| 8251 return e; | |
| 8252 } | |
| 8253 else if (t1->isimaginary()) | |
| 8254 { Expression *e; | |
| 8255 | |
| 8256 switch (t1->ty) | |
| 8257 { | |
| 8258 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8259 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8260 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8261 default: | |
| 8262 assert(0); | |
| 8263 } | |
| 8264 e2 = e2->castTo(sc, t2); | |
| 8265 e = new AssignExp(loc, e1, e2); | |
| 8266 e->type = t1; | |
| 8267 return e; | |
| 8268 } | |
| 8269 } | |
| 8270 return this; | |
| 8271 } | |
| 8272 | |
| 8273 /************************************************************/ | |
| 8274 | |
| 8275 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8276 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8277 { | |
| 8278 } | |
| 8279 | |
| 8280 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8281 { | |
| 8282 return commonSemanticAssign(sc); | |
| 8283 } | |
| 8284 | |
| 8285 /************************************************************/ | |
| 8286 | |
| 8287 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8288 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8289 { | |
| 8290 } | |
| 8291 | |
| 8292 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8293 { Expression *e; | |
| 8294 | |
| 8295 //printf("ShlAssignExp::semantic()\n"); | |
| 8296 BinExp::semantic(sc); | |
| 8297 e2 = resolveProperties(sc, e2); | |
| 8298 | |
| 8299 e = op_overload(sc); | |
| 8300 if (e) | |
| 8301 return e; | |
| 8302 | |
| 8303 e1 = e1->modifiableLvalue(sc, e1); | |
| 8304 e1->checkScalar(); | |
| 8305 e1->checkNoBool(); | |
| 8306 type = e1->type; | |
| 8307 typeCombine(sc); | |
| 8308 e1->checkIntegral(); | |
| 8309 e2 = e2->checkIntegral(); | |
| 8310 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8311 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8312 return this; |
| 8313 } | |
| 8314 | |
| 8315 /************************************************************/ | |
| 8316 | |
| 8317 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8318 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8319 { | |
| 8320 } | |
| 8321 | |
| 8322 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8323 { Expression *e; | |
| 8324 | |
| 8325 BinExp::semantic(sc); | |
| 8326 e2 = resolveProperties(sc, e2); | |
| 8327 | |
| 8328 e = op_overload(sc); | |
| 8329 if (e) | |
| 8330 return e; | |
| 8331 | |
| 8332 e1 = e1->modifiableLvalue(sc, e1); | |
| 8333 e1->checkScalar(); | |
| 8334 e1->checkNoBool(); | |
| 8335 type = e1->type; | |
| 8336 typeCombine(sc); | |
| 8337 e1->checkIntegral(); | |
| 8338 e2 = e2->checkIntegral(); | |
| 8339 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8340 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8341 return this; |
| 8342 } | |
| 8343 | |
| 8344 /************************************************************/ | |
| 8345 | |
| 8346 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8347 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8348 { | |
| 8349 } | |
| 8350 | |
| 8351 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8352 { Expression *e; | |
| 8353 | |
| 8354 BinExp::semantic(sc); | |
| 8355 e2 = resolveProperties(sc, e2); | |
| 8356 | |
| 8357 e = op_overload(sc); | |
| 8358 if (e) | |
| 8359 return e; | |
| 8360 | |
| 8361 e1 = e1->modifiableLvalue(sc, e1); | |
| 8362 e1->checkScalar(); | |
| 8363 e1->checkNoBool(); | |
| 8364 type = e1->type; | |
| 8365 typeCombine(sc); | |
| 8366 e1->checkIntegral(); | |
| 8367 e2 = e2->checkIntegral(); | |
| 8368 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8369 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8370 return this; |
| 8371 } | |
| 8372 | |
| 8373 /************************************************************/ | |
| 8374 | |
| 8375 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8376 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8377 { | |
| 8378 } | |
| 8379 | |
| 8380 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8381 { | |
| 8382 return commonSemanticAssignIntegral(sc); | |
| 8383 } | |
| 8384 | |
| 8385 /************************************************************/ | |
| 8386 | |
| 8387 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8388 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8389 { | |
| 8390 } | |
| 8391 | |
| 8392 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8393 { | |
| 8394 return commonSemanticAssignIntegral(sc); | |
| 8395 } | |
| 8396 | |
| 8397 /************************************************************/ | |
| 8398 | |
| 8399 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8400 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8401 { | |
| 8402 } | |
| 8403 | |
| 8404 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8405 { | |
| 8406 return commonSemanticAssignIntegral(sc); | |
| 8407 } | |
| 8408 | |
| 8409 /************************* AddExp *****************************/ | |
| 8410 | |
| 8411 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8412 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8413 { | |
| 8414 } | |
| 8415 | |
| 8416 Expression *AddExp::semantic(Scope *sc) | |
| 8417 { Expression *e; | |
| 8418 | |
| 8419 #if LOGSEMANTIC | |
| 8420 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8421 #endif | |
| 8422 if (!type) | |
| 8423 { | |
| 8424 BinExp::semanticp(sc); | |
| 8425 | |
| 8426 e = op_overload(sc); | |
| 8427 if (e) | |
| 8428 return e; | |
| 8429 | |
| 8430 Type *tb1 = e1->type->toBasetype(); | |
| 8431 Type *tb2 = e2->type->toBasetype(); | |
| 8432 | |
| 8433 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8434 (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
|
8435 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8436 ) |
| 8437 { | |
| 8438 type = e1->type; | |
| 8439 e = this; | |
| 8440 } | |
| 8441 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8442 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8443 e = scaleFactor(sc); | |
| 8444 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8445 { | |
| 8446 incompatibleTypes(); | |
| 8447 type = e1->type; | |
| 8448 e = this; | |
| 8449 } | |
| 8450 else | |
| 8451 { | |
| 8452 typeCombine(sc); | |
| 8453 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8454 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8455 { | |
| 8456 switch (type->toBasetype()->ty) | |
| 8457 { | |
| 8458 case Tfloat32: | |
| 8459 case Timaginary32: | |
| 8460 type = Type::tcomplex32; | |
| 8461 break; | |
| 8462 | |
| 8463 case Tfloat64: | |
| 8464 case Timaginary64: | |
| 8465 type = Type::tcomplex64; | |
| 8466 break; | |
| 8467 | |
| 8468 case Tfloat80: | |
| 8469 case Timaginary80: | |
| 8470 type = Type::tcomplex80; | |
| 8471 break; | |
| 8472 | |
| 8473 default: | |
| 8474 assert(0); | |
| 8475 } | |
| 8476 } | |
| 8477 e = this; | |
| 8478 } | |
| 8479 return e; | |
| 8480 } | |
| 8481 return this; | |
| 8482 } | |
| 8483 | |
| 8484 /************************************************************/ | |
| 8485 | |
| 8486 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8487 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8488 { | |
| 8489 } | |
| 8490 | |
| 8491 Expression *MinExp::semantic(Scope *sc) | |
| 8492 { Expression *e; | |
| 8493 Type *t1; | |
| 8494 Type *t2; | |
| 8495 | |
| 8496 #if LOGSEMANTIC | |
| 8497 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8498 #endif | |
| 8499 if (type) | |
| 8500 return this; | |
| 8501 | |
| 8502 BinExp::semanticp(sc); | |
| 8503 | |
| 8504 e = op_overload(sc); | |
| 8505 if (e) | |
| 8506 return e; | |
| 8507 | |
| 8508 e = this; | |
| 8509 t1 = e1->type->toBasetype(); | |
| 8510 t2 = e2->type->toBasetype(); | |
| 8511 if (t1->ty == Tpointer) | |
| 8512 { | |
| 8513 if (t2->ty == Tpointer) | |
| 8514 { // Need to divide the result by the stride | |
| 8515 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8516 d_int64 stride; | |
| 8517 Expression *e; | |
| 8518 | |
| 8519 typeCombine(sc); // make sure pointer types are compatible | |
| 8520 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
|
8521 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
|
8522 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
|
8523 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8524 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
|
8525 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8526 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8527 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8528 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
|
8529 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
|
8530 } |
| 159 | 8531 return e; |
| 8532 } | |
| 8533 else if (t2->isintegral()) | |
| 8534 e = scaleFactor(sc); | |
| 8535 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
|
8536 { error("incompatible types for minus"); |
| 159 | 8537 return new IntegerExp(0); |
| 8538 } | |
| 8539 } | |
| 8540 else if (t2->ty == Tpointer) | |
| 8541 { | |
| 8542 type = e2->type; | |
| 8543 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8544 return new IntegerExp(0); | |
| 8545 } | |
| 8546 else | |
| 8547 { | |
| 8548 typeCombine(sc); | |
| 8549 t1 = e1->type->toBasetype(); | |
| 8550 t2 = e2->type->toBasetype(); | |
| 8551 if ((t1->isreal() && t2->isimaginary()) || | |
| 8552 (t1->isimaginary() && t2->isreal())) | |
| 8553 { | |
| 8554 switch (type->ty) | |
| 8555 { | |
| 8556 case Tfloat32: | |
| 8557 case Timaginary32: | |
| 8558 type = Type::tcomplex32; | |
| 8559 break; | |
| 8560 | |
| 8561 case Tfloat64: | |
| 8562 case Timaginary64: | |
| 8563 type = Type::tcomplex64; | |
| 8564 break; | |
| 8565 | |
| 8566 case Tfloat80: | |
| 8567 case Timaginary80: | |
| 8568 type = Type::tcomplex80; | |
| 8569 break; | |
| 8570 | |
| 8571 default: | |
| 8572 assert(0); | |
| 8573 } | |
| 8574 } | |
| 8575 } | |
| 8576 return e; | |
| 8577 } | |
| 8578 | |
| 8579 /************************* CatExp *****************************/ | |
| 8580 | |
| 8581 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8582 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8583 { | |
| 8584 } | |
| 8585 | |
| 8586 Expression *CatExp::semantic(Scope *sc) | |
| 8587 { Expression *e; | |
| 8588 | |
| 8589 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8590 if (!type) | |
| 8591 { | |
| 8592 BinExp::semanticp(sc); | |
| 8593 e = op_overload(sc); | |
| 8594 if (e) | |
| 8595 return e; | |
| 8596 | |
| 8597 Type *tb1 = e1->type->toBasetype(); | |
| 8598 Type *tb2 = e2->type->toBasetype(); | |
| 8599 | |
| 8600 | |
| 8601 /* BUG: Should handle things like: | |
| 8602 * char c; | |
| 8603 * c ~ ' ' | |
| 8604 * ' ' ~ c; | |
| 8605 */ | |
| 8606 | |
| 8607 #if 0 | |
| 8608 e1->type->print(); | |
| 8609 e2->type->print(); | |
| 8610 #endif | |
| 8611 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8612 e2->type->equals(tb1->next)) | |
| 8613 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8614 type = tb1->nextOf()->arrayOf(); |
| 159 | 8615 if (tb2->ty == Tarray) |
| 8616 { // Make e2 into [e2] | |
| 8617 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8618 e2->type = type; | |
| 8619 } | |
| 8620 return this; | |
| 8621 } | |
| 8622 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8623 e1->type->equals(tb2->next)) | |
| 8624 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8625 type = tb2->nextOf()->arrayOf(); |
| 159 | 8626 if (tb1->ty == Tarray) |
| 8627 { // Make e1 into [e1] | |
| 8628 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8629 e1->type = type; | |
| 8630 } | |
| 8631 return this; | |
| 8632 } | |
| 8633 | |
| 8634 typeCombine(sc); | |
| 8635 | |
| 8636 if (type->toBasetype()->ty == Tsarray) | |
| 8637 type = type->toBasetype()->next->arrayOf(); | |
| 8638 #if 0 | |
| 8639 e1->type->print(); | |
| 8640 e2->type->print(); | |
| 8641 type->print(); | |
| 8642 print(); | |
| 8643 #endif | |
| 8644 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8645 e = optimize(WANTvalue); | |
| 8646 else if (e1->type->equals(e2->type) && | |
| 8647 (e1->type->toBasetype()->ty == Tarray || | |
| 8648 e1->type->toBasetype()->ty == Tsarray)) | |
| 8649 { | |
| 8650 e = this; | |
| 8651 } | |
| 8652 else | |
| 8653 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8654 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8655 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8656 e1->type->toChars(), e2->type->toChars()); | |
| 8657 type = Type::tint32; | |
| 8658 e = this; | |
| 8659 } | |
| 8660 e->type = e->type->semantic(loc, sc); | |
| 8661 return e; | |
| 8662 } | |
| 8663 return this; | |
| 8664 } | |
| 8665 | |
| 8666 /************************************************************/ | |
| 8667 | |
| 8668 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8669 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8670 { | |
| 8671 } | |
| 8672 | |
| 8673 Expression *MulExp::semantic(Scope *sc) | |
| 8674 { Expression *e; | |
| 8675 | |
| 8676 #if 0 | |
| 8677 printf("MulExp::semantic() %s\n", toChars()); | |
| 8678 #endif | |
| 8679 if (type) | |
| 8680 { | |
| 8681 return this; | |
| 8682 } | |
| 8683 | |
| 8684 BinExp::semanticp(sc); | |
| 8685 e = op_overload(sc); | |
| 8686 if (e) | |
| 8687 return e; | |
| 8688 | |
| 8689 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8690 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8691 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8692 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8693 } |
| 159 | 8694 if (type->isfloating()) |
| 8695 { Type *t1 = e1->type; | |
| 8696 Type *t2 = e2->type; | |
| 8697 | |
| 8698 if (t1->isreal()) | |
| 8699 { | |
| 8700 type = t2; | |
| 8701 } | |
| 8702 else if (t2->isreal()) | |
| 8703 { | |
| 8704 type = t1; | |
| 8705 } | |
| 8706 else if (t1->isimaginary()) | |
| 8707 { | |
| 8708 if (t2->isimaginary()) | |
| 8709 { Expression *e; | |
| 8710 | |
| 8711 switch (t1->ty) | |
| 8712 { | |
| 8713 case Timaginary32: type = Type::tfloat32; break; | |
| 8714 case Timaginary64: type = Type::tfloat64; break; | |
| 8715 case Timaginary80: type = Type::tfloat80; break; | |
| 8716 default: assert(0); | |
| 8717 } | |
| 8718 | |
| 8719 // iy * iv = -yv | |
| 8720 e1->type = type; | |
| 8721 e2->type = type; | |
| 8722 e = new NegExp(loc, this); | |
| 8723 e = e->semantic(sc); | |
| 8724 return e; | |
| 8725 } | |
| 8726 else | |
| 8727 type = t2; // t2 is complex | |
| 8728 } | |
| 8729 else if (t2->isimaginary()) | |
| 8730 { | |
| 8731 type = t1; // t1 is complex | |
| 8732 } | |
| 8733 } | |
| 8734 return this; | |
| 8735 } | |
| 8736 | |
| 8737 /************************************************************/ | |
| 8738 | |
| 8739 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8740 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8741 { | |
| 8742 } | |
| 8743 | |
| 8744 Expression *DivExp::semantic(Scope *sc) | |
| 8745 { Expression *e; | |
| 8746 | |
| 8747 if (type) | |
| 8748 return this; | |
| 8749 | |
| 8750 BinExp::semanticp(sc); | |
| 8751 e = op_overload(sc); | |
| 8752 if (e) | |
| 8753 return e; | |
| 8754 | |
| 8755 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8756 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8757 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8758 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8759 } |
| 159 | 8760 if (type->isfloating()) |
| 8761 { Type *t1 = e1->type; | |
| 8762 Type *t2 = e2->type; | |
| 8763 | |
| 8764 if (t1->isreal()) | |
| 8765 { | |
| 8766 type = t2; | |
| 8767 if (t2->isimaginary()) | |
| 8768 { Expression *e; | |
| 8769 | |
| 8770 // x/iv = i(-x/v) | |
| 8771 e2->type = t1; | |
| 8772 e = new NegExp(loc, this); | |
| 8773 e = e->semantic(sc); | |
| 8774 return e; | |
| 8775 } | |
| 8776 } | |
| 8777 else if (t2->isreal()) | |
| 8778 { | |
| 8779 type = t1; | |
| 8780 } | |
| 8781 else if (t1->isimaginary()) | |
| 8782 { | |
| 8783 if (t2->isimaginary()) | |
| 8784 { | |
| 8785 switch (t1->ty) | |
| 8786 { | |
| 8787 case Timaginary32: type = Type::tfloat32; break; | |
| 8788 case Timaginary64: type = Type::tfloat64; break; | |
| 8789 case Timaginary80: type = Type::tfloat80; break; | |
| 8790 default: assert(0); | |
| 8791 } | |
| 8792 } | |
| 8793 else | |
| 8794 type = t2; // t2 is complex | |
| 8795 } | |
| 8796 else if (t2->isimaginary()) | |
| 8797 { | |
| 8798 type = t1; // t1 is complex | |
| 8799 } | |
| 8800 } | |
| 8801 return this; | |
| 8802 } | |
| 8803 | |
| 8804 /************************************************************/ | |
| 8805 | |
| 8806 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8807 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8808 { | |
| 8809 } | |
| 8810 | |
| 8811 Expression *ModExp::semantic(Scope *sc) | |
| 8812 { Expression *e; | |
| 8813 | |
| 8814 if (type) | |
| 8815 return this; | |
| 8816 | |
| 8817 BinExp::semanticp(sc); | |
| 8818 e = op_overload(sc); | |
| 8819 if (e) | |
| 8820 return e; | |
| 8821 | |
| 8822 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8823 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8824 { e1->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8825 e2->checkArithmetic(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8826 } |
| 159 | 8827 if (type->isfloating()) |
| 8828 { type = e1->type; | |
| 8829 if (e2->type->iscomplex()) | |
| 8830 { error("cannot perform modulo complex arithmetic"); | |
| 8831 return new IntegerExp(0); | |
| 8832 } | |
| 8833 } | |
| 8834 return this; | |
| 8835 } | |
| 8836 | |
| 8837 /************************************************************/ | |
| 8838 | |
| 8839 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8840 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8841 { | |
| 8842 } | |
| 8843 | |
| 8844 Expression *ShlExp::semantic(Scope *sc) | |
| 8845 { Expression *e; | |
| 8846 | |
| 8847 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8848 if (!type) | |
| 8849 { BinExp::semanticp(sc); | |
| 8850 e = op_overload(sc); | |
| 8851 if (e) | |
| 8852 return e; | |
| 8853 e1 = e1->checkIntegral(); | |
| 8854 e2 = e2->checkIntegral(); | |
| 8855 e1 = e1->integralPromotions(sc); | |
| 8856 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8857 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8858 type = e1->type; |
| 8859 } | |
| 8860 return this; | |
| 8861 } | |
| 8862 | |
| 8863 /************************************************************/ | |
| 8864 | |
| 8865 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8866 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8867 { | |
| 8868 } | |
| 8869 | |
| 8870 Expression *ShrExp::semantic(Scope *sc) | |
| 8871 { Expression *e; | |
| 8872 | |
| 8873 if (!type) | |
| 8874 { BinExp::semanticp(sc); | |
| 8875 e = op_overload(sc); | |
| 8876 if (e) | |
| 8877 return e; | |
| 8878 e1 = e1->checkIntegral(); | |
| 8879 e2 = e2->checkIntegral(); | |
| 8880 e1 = e1->integralPromotions(sc); | |
| 8881 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8882 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8883 type = e1->type; |
| 8884 } | |
| 8885 return this; | |
| 8886 } | |
| 8887 | |
| 8888 /************************************************************/ | |
| 8889 | |
| 8890 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8891 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8892 { | |
| 8893 } | |
| 8894 | |
| 8895 Expression *UshrExp::semantic(Scope *sc) | |
| 8896 { Expression *e; | |
| 8897 | |
| 8898 if (!type) | |
| 8899 { BinExp::semanticp(sc); | |
| 8900 e = op_overload(sc); | |
| 8901 if (e) | |
| 8902 return e; | |
| 8903 e1 = e1->checkIntegral(); | |
| 8904 e2 = e2->checkIntegral(); | |
| 8905 e1 = e1->integralPromotions(sc); | |
| 8906 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8907 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8908 type = e1->type; |
| 8909 } | |
| 8910 return this; | |
| 8911 } | |
| 8912 | |
| 8913 /************************************************************/ | |
| 8914 | |
| 8915 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8916 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8917 { | |
| 8918 } | |
| 8919 | |
| 8920 Expression *AndExp::semantic(Scope *sc) | |
| 8921 { Expression *e; | |
| 8922 | |
| 8923 if (!type) | |
| 8924 { BinExp::semanticp(sc); | |
| 8925 e = op_overload(sc); | |
| 8926 if (e) | |
| 8927 return e; | |
| 8928 if (e1->type->toBasetype()->ty == Tbool && | |
| 8929 e2->type->toBasetype()->ty == Tbool) | |
| 8930 { | |
| 8931 type = e1->type; | |
| 8932 e = this; | |
| 8933 } | |
| 8934 else | |
| 8935 { | |
| 8936 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8937 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8938 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8939 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8940 } |
| 159 | 8941 } |
| 8942 } | |
| 8943 return this; | |
| 8944 } | |
| 8945 | |
| 8946 /************************************************************/ | |
| 8947 | |
| 8948 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8949 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8950 { | |
| 8951 } | |
| 8952 | |
| 8953 Expression *OrExp::semantic(Scope *sc) | |
| 8954 { Expression *e; | |
| 8955 | |
| 8956 if (!type) | |
| 8957 { BinExp::semanticp(sc); | |
| 8958 e = op_overload(sc); | |
| 8959 if (e) | |
| 8960 return e; | |
| 8961 if (e1->type->toBasetype()->ty == Tbool && | |
| 8962 e2->type->toBasetype()->ty == Tbool) | |
| 8963 { | |
| 8964 type = e1->type; | |
| 8965 e = this; | |
| 8966 } | |
| 8967 else | |
| 8968 { | |
| 8969 typeCombine(sc); | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8970 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8971 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8972 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8973 } |
| 159 | 8974 } |
| 8975 } | |
| 8976 return this; | |
| 8977 } | |
| 8978 | |
| 8979 /************************************************************/ | |
| 8980 | |
| 8981 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 8982 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 8983 { | |
| 8984 } | |
| 8985 | |
| 8986 Expression *XorExp::semantic(Scope *sc) | |
| 8987 { Expression *e; | |
| 8988 | |
| 8989 if (!type) | |
| 8990 { BinExp::semanticp(sc); | |
| 8991 e = op_overload(sc); | |
| 8992 if (e) | |
| 8993 return e; | |
| 8994 if (e1->type->toBasetype()->ty == Tbool && | |
| 8995 e2->type->toBasetype()->ty == Tbool) | |
| 8996 { | |
| 8997 type = e1->type; | |
| 8998 e = this; | |
| 8999 } | |
| 9000 else | |
| 9001 { | |
| 9002 typeCombine(sc); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9003 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9004 { e1->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9005 e2->checkIntegral(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9006 } |
| 159 | 9007 } |
| 9008 } | |
| 9009 return this; | |
| 9010 } | |
| 9011 | |
| 9012 | |
| 9013 /************************************************************/ | |
| 9014 | |
| 9015 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9016 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9017 { | |
| 9018 } | |
| 9019 | |
| 9020 Expression *OrOrExp::semantic(Scope *sc) | |
| 9021 { | |
| 9022 unsigned cs1; | |
| 9023 | |
| 9024 // same as for AndAnd | |
| 9025 e1 = e1->semantic(sc); | |
| 9026 e1 = resolveProperties(sc, e1); | |
| 9027 e1 = e1->checkToPointer(); | |
| 9028 e1 = e1->checkToBoolean(); | |
| 9029 cs1 = sc->callSuper; | |
| 9030 | |
| 9031 if (sc->flags & SCOPEstaticif) | |
| 9032 { | |
| 9033 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9034 */ | |
| 9035 e1 = e1->optimize(WANTflags); | |
| 9036 if (e1->isBool(TRUE)) | |
| 9037 { | |
| 9038 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9039 } | |
| 9040 } | |
| 9041 | |
| 9042 e2 = e2->semantic(sc); | |
| 9043 sc->mergeCallSuper(loc, cs1); | |
| 9044 e2 = resolveProperties(sc, e2); | |
| 9045 e2 = e2->checkToPointer(); | |
| 9046 | |
| 9047 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
|
9048 if (e2->type->ty == Tvoid) |
| 159 | 9049 type = Type::tvoid; |
| 9050 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9051 error("%s is not an expression", e2->toChars()); | |
| 9052 return this; | |
| 9053 } | |
| 9054 | |
| 9055 Expression *OrOrExp::checkToBoolean() | |
| 9056 { | |
| 9057 e2 = e2->checkToBoolean(); | |
| 9058 return this; | |
| 9059 } | |
| 9060 | |
| 9061 int OrOrExp::isBit() | |
| 9062 { | |
| 9063 return TRUE; | |
| 9064 } | |
| 9065 | |
| 9066 int OrOrExp::checkSideEffect(int flag) | |
| 9067 { | |
| 9068 if (flag == 2) | |
| 9069 { | |
| 9070 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9071 } | |
| 9072 else | |
| 9073 { e1->checkSideEffect(1); | |
| 9074 return e2->checkSideEffect(flag); | |
| 9075 } | |
| 9076 } | |
| 9077 | |
| 9078 /************************************************************/ | |
| 9079 | |
| 9080 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9081 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9082 { | |
| 9083 } | |
| 9084 | |
| 9085 Expression *AndAndExp::semantic(Scope *sc) | |
| 9086 { | |
| 9087 unsigned cs1; | |
| 9088 | |
| 9089 // same as for OrOr | |
| 9090 e1 = e1->semantic(sc); | |
| 9091 e1 = resolveProperties(sc, e1); | |
| 9092 e1 = e1->checkToPointer(); | |
| 9093 e1 = e1->checkToBoolean(); | |
| 9094 cs1 = sc->callSuper; | |
| 9095 | |
| 9096 if (sc->flags & SCOPEstaticif) | |
| 9097 { | |
| 9098 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9099 */ | |
| 9100 e1 = e1->optimize(WANTflags); | |
| 9101 if (e1->isBool(FALSE)) | |
| 9102 { | |
| 9103 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9104 } | |
| 9105 } | |
| 9106 | |
| 9107 e2 = e2->semantic(sc); | |
| 9108 sc->mergeCallSuper(loc, cs1); | |
| 9109 e2 = resolveProperties(sc, e2); | |
| 9110 e2 = e2->checkToPointer(); | |
| 9111 | |
| 9112 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
|
9113 if (e2->type->ty == Tvoid) |
| 159 | 9114 type = Type::tvoid; |
| 9115 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9116 error("%s is not an expression", e2->toChars()); | |
| 9117 return this; | |
| 9118 } | |
| 9119 | |
| 9120 Expression *AndAndExp::checkToBoolean() | |
| 9121 { | |
| 9122 e2 = e2->checkToBoolean(); | |
| 9123 return this; | |
| 9124 } | |
| 9125 | |
| 9126 int AndAndExp::isBit() | |
| 9127 { | |
| 9128 return TRUE; | |
| 9129 } | |
| 9130 | |
| 9131 int AndAndExp::checkSideEffect(int flag) | |
| 9132 { | |
| 9133 if (flag == 2) | |
| 9134 { | |
| 9135 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9136 } | |
| 9137 else | |
| 9138 { | |
| 9139 e1->checkSideEffect(1); | |
| 9140 return e2->checkSideEffect(flag); | |
| 9141 } | |
| 9142 } | |
| 9143 | |
| 9144 /************************************************************/ | |
| 9145 | |
| 9146 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9147 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9148 { | |
| 9149 } | |
| 9150 | |
| 9151 Expression *InExp::semantic(Scope *sc) | |
| 9152 { Expression *e; | |
| 9153 | |
| 9154 if (type) | |
| 9155 return this; | |
| 9156 | |
| 9157 BinExp::semanticp(sc); | |
| 9158 e = op_overload(sc); | |
| 9159 if (e) | |
| 9160 return e; | |
| 9161 | |
| 9162 //type = Type::tboolean; | |
| 9163 Type *t2b = e2->type->toBasetype(); | |
| 9164 if (t2b->ty != Taarray) | |
| 9165 { | |
| 9166 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9167 type = Type::terror; | |
| 9168 } | |
| 9169 else | |
| 9170 { | |
| 9171 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9172 | |
| 9173 // Convert key to type of key | |
| 9174 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9175 | |
| 9176 // 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
|
9177 type = ta->nextOf()->pointerTo(); |
| 159 | 9178 } |
| 9179 return this; | |
| 9180 } | |
| 9181 | |
| 9182 int InExp::isBit() | |
| 9183 { | |
| 9184 return FALSE; | |
| 9185 } | |
| 9186 | |
| 9187 | |
| 9188 /************************************************************/ | |
| 9189 | |
| 9190 /* This deletes the key e1 from the associative array e2 | |
| 9191 */ | |
| 9192 | |
| 9193 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9194 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9195 { | |
| 9196 type = Type::tvoid; | |
| 9197 } | |
| 9198 | |
| 9199 /************************************************************/ | |
| 9200 | |
| 9201 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9202 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9203 { | |
| 9204 } | |
| 9205 | |
| 9206 Expression *CmpExp::semantic(Scope *sc) | |
| 9207 { Expression *e; | |
| 9208 Type *t1; | |
| 9209 Type *t2; | |
| 9210 | |
| 9211 #if LOGSEMANTIC | |
| 9212 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9213 #endif | |
| 9214 if (type) | |
| 9215 return this; | |
| 9216 | |
| 9217 BinExp::semanticp(sc); | |
| 9218 | |
| 9219 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9220 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9221 { | |
| 9222 error("do not use null when comparing class types"); | |
| 9223 } | |
| 9224 | |
| 9225 e = op_overload(sc); | |
| 9226 if (e) | |
| 9227 { | |
| 9228 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9229 e = e->semantic(sc); | |
| 9230 return e; | |
| 9231 } | |
| 9232 | |
| 9233 typeCombine(sc); | |
| 9234 type = Type::tboolean; | |
| 9235 | |
| 9236 // Special handling for array comparisons | |
| 9237 t1 = e1->type->toBasetype(); | |
| 9238 t2 = e2->type->toBasetype(); | |
| 9239 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9240 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9241 { | |
| 9242 if (!t1->next->equals(t2->next)) | |
| 9243 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9244 e = this; | |
| 9245 } | |
| 9246 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9247 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9248 { | |
| 9249 if (t2->ty == Tstruct) | |
| 9250 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9251 else | |
| 9252 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9253 e = this; | |
| 9254 } | |
| 9255 #if 1 | |
| 9256 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9257 { | |
| 9258 error("compare not defined for complex operands"); | |
| 9259 e = new IntegerExp(0); | |
| 9260 } | |
| 9261 #endif | |
| 9262 else | |
| 9263 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
|
9264 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9265 return e; |
| 9266 } | |
| 9267 | |
| 9268 int CmpExp::isBit() | |
| 9269 { | |
| 9270 return TRUE; | |
| 9271 } | |
| 9272 | |
| 9273 | |
| 9274 /************************************************************/ | |
| 9275 | |
| 9276 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9277 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9278 { | |
| 9279 assert(op == TOKequal || op == TOKnotequal); | |
| 9280 } | |
| 9281 | |
| 9282 Expression *EqualExp::semantic(Scope *sc) | |
| 9283 { Expression *e; | |
| 9284 Type *t1; | |
| 9285 Type *t2; | |
| 9286 | |
| 9287 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9288 if (type) | |
| 9289 return this; | |
| 9290 | |
| 9291 BinExp::semanticp(sc); | |
| 9292 | |
| 9293 /* Before checking for operator overloading, check to see if we're | |
| 9294 * comparing the addresses of two statics. If so, we can just see | |
| 9295 * if they are the same symbol. | |
| 9296 */ | |
| 9297 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9298 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9299 AddrExp *ae2 = (AddrExp *)e2; | |
| 9300 | |
| 9301 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9302 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9303 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9304 | |
| 9305 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9306 { | |
| 9307 // They are the same, result is 'true' for ==, 'false' for != | |
| 9308 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9309 return e; | |
| 9310 } | |
| 9311 } | |
| 9312 } | |
| 9313 | |
| 9314 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9315 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9316 { | |
| 9317 error("use '%s' instead of '%s' when comparing with null", | |
| 9318 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9319 Token::toChars(op)); | |
| 9320 } | |
| 9321 | |
| 9322 //if (e2->op != TOKnull) | |
| 9323 { | |
| 9324 e = op_overload(sc); | |
| 9325 if (e) | |
| 9326 { | |
| 9327 if (op == TOKnotequal) | |
| 9328 { | |
| 9329 e = new NotExp(e->loc, e); | |
| 9330 e = e->semantic(sc); | |
| 9331 } | |
| 9332 return e; | |
| 9333 } | |
| 9334 } | |
| 9335 | |
| 9336 e = typeCombine(sc); | |
| 9337 type = Type::tboolean; | |
| 9338 | |
| 9339 // Special handling for array comparisons | |
| 9340 t1 = e1->type->toBasetype(); | |
| 9341 t2 = e2->type->toBasetype(); | |
| 9342 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9343 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9344 { | |
| 9345 if (!t1->next->equals(t2->next)) | |
| 9346 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9347 } | |
| 9348 else | |
| 9349 { | |
| 9350 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9351 { | |
| 9352 // Cast both to complex | |
| 9353 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9354 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9355 } | |
| 9356 } | |
| 9357 return e; | |
| 9358 } | |
| 9359 | |
| 9360 int EqualExp::isBit() | |
| 9361 { | |
| 9362 return TRUE; | |
| 9363 } | |
| 9364 | |
| 9365 | |
| 9366 | |
| 9367 /************************************************************/ | |
| 9368 | |
| 9369 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9370 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9371 { | |
| 9372 } | |
| 9373 | |
| 9374 Expression *IdentityExp::semantic(Scope *sc) | |
| 9375 { | |
| 9376 if (type) | |
| 9377 return this; | |
| 9378 | |
| 9379 BinExp::semanticp(sc); | |
| 9380 type = Type::tboolean; | |
| 9381 typeCombine(sc); | |
| 9382 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9383 { | |
| 9384 // Cast both to complex | |
| 9385 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9386 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9387 } | |
| 9388 return this; | |
| 9389 } | |
| 9390 | |
| 9391 int IdentityExp::isBit() | |
| 9392 { | |
| 9393 return TRUE; | |
| 9394 } | |
| 9395 | |
| 9396 | |
| 9397 /****************************************************************/ | |
| 9398 | |
| 9399 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9400 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9401 { | |
| 9402 this->econd = econd; | |
| 9403 } | |
| 9404 | |
| 9405 Expression *CondExp::syntaxCopy() | |
| 9406 { | |
| 9407 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9408 } | |
| 9409 | |
| 9410 | |
| 9411 Expression *CondExp::semantic(Scope *sc) | |
| 9412 { Type *t1; | |
| 9413 Type *t2; | |
| 9414 unsigned cs0; | |
| 9415 unsigned cs1; | |
| 9416 | |
| 9417 #if LOGSEMANTIC | |
| 9418 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9419 #endif | |
| 9420 if (type) | |
| 9421 return this; | |
| 9422 | |
| 9423 econd = econd->semantic(sc); | |
| 9424 econd = resolveProperties(sc, econd); | |
| 9425 econd = econd->checkToPointer(); | |
| 9426 econd = econd->checkToBoolean(); | |
| 9427 | |
| 9428 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9429 * both contribute to the type of the result. | |
| 9430 */ | |
| 9431 if (sc->flags & SCOPEstaticif) | |
| 9432 { | |
| 9433 /* If in static if, don't evaluate what we don't have to. | |
| 9434 */ | |
| 9435 econd = econd->optimize(WANTflags); | |
| 9436 if (econd->isBool(TRUE)) | |
| 9437 { | |
| 9438 e1 = e1->semantic(sc); | |
| 9439 e1 = resolveProperties(sc, e1); | |
| 9440 return e1; | |
| 9441 } | |
| 9442 else if (econd->isBool(FALSE)) | |
| 9443 { | |
| 9444 e2 = e2->semantic(sc); | |
| 9445 e2 = resolveProperties(sc, e2); | |
| 9446 return e2; | |
| 9447 } | |
| 9448 } | |
| 9449 #endif | |
| 9450 | |
| 9451 | |
| 9452 cs0 = sc->callSuper; | |
| 9453 e1 = e1->semantic(sc); | |
| 9454 e1 = resolveProperties(sc, e1); | |
| 9455 cs1 = sc->callSuper; | |
| 9456 sc->callSuper = cs0; | |
| 9457 e2 = e2->semantic(sc); | |
| 9458 e2 = resolveProperties(sc, e2); | |
| 9459 sc->mergeCallSuper(loc, cs1); | |
| 9460 | |
| 9461 | |
| 9462 // If either operand is void, the result is void | |
| 9463 t1 = e1->type; | |
| 9464 t2 = e2->type; | |
| 9465 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9466 type = Type::tvoid; | |
| 9467 else if (t1 == t2) | |
| 9468 type = t1; | |
| 9469 else | |
| 9470 { | |
| 9471 typeCombine(sc); | |
| 9472 switch (e1->type->toBasetype()->ty) | |
| 9473 { | |
| 9474 case Tcomplex32: | |
| 9475 case Tcomplex64: | |
| 9476 case Tcomplex80: | |
| 9477 e2 = e2->castTo(sc, e1->type); | |
| 9478 break; | |
| 9479 } | |
| 9480 switch (e2->type->toBasetype()->ty) | |
| 9481 { | |
| 9482 case Tcomplex32: | |
| 9483 case Tcomplex64: | |
| 9484 case Tcomplex80: | |
| 9485 e1 = e1->castTo(sc, e2->type); | |
| 9486 break; | |
| 9487 } | |
| 9488 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9489 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9490 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9491 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9492 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9493 #endif |
| 159 | 9494 return this; |
| 9495 } | |
| 9496 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9497 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9498 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9499 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9500 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9501 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9502 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9503 |
| 159 | 9504 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9505 { | |
| 9506 PtrExp *e; | |
| 9507 | |
| 9508 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9509 e = new PtrExp(loc, this, type); | |
| 9510 | |
| 9511 e1 = e1->addressOf(sc); | |
| 9512 //e1 = e1->toLvalue(sc, NULL); | |
| 9513 | |
| 9514 e2 = e2->addressOf(sc); | |
| 9515 //e2 = e2->toLvalue(sc, NULL); | |
| 9516 | |
| 9517 typeCombine(sc); | |
| 9518 | |
| 9519 type = e2->type; | |
| 9520 return e; | |
| 9521 } | |
| 9522 | |
| 9523 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9524 { | |
| 9525 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9526 return this; | |
| 9527 } | |
| 9528 | |
| 9529 void CondExp::checkEscape() | |
| 9530 { | |
| 9531 e1->checkEscape(); | |
| 9532 e2->checkEscape(); | |
| 9533 } | |
| 9534 | |
| 9535 | |
| 9536 Expression *CondExp::checkToBoolean() | |
| 9537 { | |
| 9538 e1 = e1->checkToBoolean(); | |
| 9539 e2 = e2->checkToBoolean(); | |
| 9540 return this; | |
| 9541 } | |
| 9542 | |
| 9543 int CondExp::checkSideEffect(int flag) | |
| 9544 { | |
| 9545 if (flag == 2) | |
| 9546 { | |
| 9547 return econd->checkSideEffect(2) || | |
| 9548 e1->checkSideEffect(2) || | |
| 9549 e2->checkSideEffect(2); | |
| 9550 } | |
| 9551 else | |
| 9552 { | |
| 9553 econd->checkSideEffect(1); | |
| 9554 e1->checkSideEffect(flag); | |
| 9555 return e2->checkSideEffect(flag); | |
| 9556 } | |
| 9557 } | |
| 9558 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9559 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9560 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9561 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9562 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9563 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9564 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9565 |
| 159 | 9566 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9567 { | |
| 9568 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9569 buf->writestring(" ? "); | |
| 9570 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9571 buf->writestring(" : "); | |
| 9572 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9573 } | |
| 9574 | |
|
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
|
9575 /************************************************************/ |
|
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
|
9576 |
|
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
|
9577 #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
|
9578 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9579 // 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
|
9580 |
|
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
|
9581 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
|
9582 : 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
|
9583 { |
|
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
|
9584 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
|
9585 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
|
9586 } |
|
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
|
9587 |
|
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
|
9588 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
|
9589 { |
|
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
|
9590 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
|
9591 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
|
9592 buf->writestring(ident->toChars()); |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9593 } |
|
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
|
9594 |
|
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
|
9595 Expression* GEPExp::toLvalue(Scope* sc, Expression* e) |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9596 { |
|
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
|
9597 // GEP's are always lvalues, at least in the "LLVM sense" ... |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9598 return this; |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9599 } |
|
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
|
9600 |
|
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
|
9601 #endif |