Mercurial > projects > ldc
annotate dmd/expression.c @ 1108:d03814546977
Apply r1106 to x86-64 asm too
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Thu, 12 Mar 2009 23:31:26 +0100 |
| parents | b30fe7e1dbb9 |
| children | 0d38fa5a0b46 |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
|
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3 // Copyright (c) 1999-2009 by Digital Mars |
| 159 | 4 // All Rights Reserved |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
|
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14 #include <math.h> |
| 159 | 15 #include <assert.h> |
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16 #if _MSC_VER |
| 159 | 17 #include <complex> |
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18 #else |
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19 #endif |
| 159 | 20 |
| 21 #if _WIN32 && __DMC__ | |
| 22 extern "C" char * __cdecl __locale_decpoint; | |
| 23 #endif | |
| 24 | |
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25 #if __MINGW32__ |
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26 #ifndef isnan |
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27 #define isnan _isnan |
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28 #endif |
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29 #endif |
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30 |
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31 #ifdef __APPLE__ |
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32 #ifndef isnan |
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33 int isnan(double); |
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34 #endif |
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35 #endif |
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36 |
| 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 | |
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46 #include "rmem.h" |
| 159 | 47 |
| 48 //#include "port.h" | |
| 49 #include "mtype.h" | |
| 50 #include "init.h" | |
| 51 #include "expression.h" | |
| 52 #include "template.h" | |
| 53 #include "utf.h" | |
| 54 #include "enum.h" | |
| 55 #include "scope.h" | |
| 56 #include "statement.h" | |
| 57 #include "declaration.h" | |
| 58 #include "aggregate.h" | |
| 59 #include "import.h" | |
| 60 #include "id.h" | |
| 61 #include "dsymbol.h" | |
| 62 #include "module.h" | |
| 63 #include "attrib.h" | |
| 64 #include "hdrgen.h" | |
| 65 #include "parse.h" | |
| 66 | |
| 67 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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68 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 69 |
| 70 #define LOGSEMANTIC 0 | |
| 71 | |
| 72 /********************************** | |
| 73 * Set operator precedence for each operator. | |
| 74 */ | |
| 75 | |
| 76 // Operator precedence - greater values are higher precedence | |
| 77 | |
| 78 enum PREC | |
| 79 { | |
| 80 PREC_zero, | |
| 81 PREC_expr, | |
| 82 PREC_assign, | |
| 83 PREC_cond, | |
| 84 PREC_oror, | |
| 85 PREC_andand, | |
| 86 PREC_or, | |
| 87 PREC_xor, | |
| 88 PREC_and, | |
| 89 PREC_equal, | |
| 90 PREC_rel, | |
| 91 PREC_shift, | |
| 92 PREC_add, | |
| 93 PREC_mul, | |
| 94 PREC_unary, | |
| 95 PREC_primary, | |
| 96 }; | |
| 97 | |
| 98 enum PREC precedence[TOKMAX]; | |
| 99 | |
| 100 void initPrecedence() | |
| 101 { | |
| 102 precedence[TOKdotvar] = PREC_primary; | |
| 103 precedence[TOKimport] = PREC_primary; | |
| 104 precedence[TOKidentifier] = PREC_primary; | |
| 105 precedence[TOKthis] = PREC_primary; | |
| 106 precedence[TOKsuper] = PREC_primary; | |
| 107 precedence[TOKint64] = PREC_primary; | |
| 108 precedence[TOKfloat64] = PREC_primary; | |
| 109 precedence[TOKnull] = PREC_primary; | |
| 110 precedence[TOKstring] = PREC_primary; | |
| 111 precedence[TOKarrayliteral] = PREC_primary; | |
| 112 precedence[TOKtypedot] = PREC_primary; | |
| 113 precedence[TOKtypeid] = PREC_primary; | |
| 114 precedence[TOKis] = PREC_primary; | |
| 115 precedence[TOKassert] = PREC_primary; | |
| 116 precedence[TOKfunction] = PREC_primary; | |
| 117 precedence[TOKvar] = PREC_primary; | |
| 336 | 118 #if DMDV2 |
| 119 precedence[TOKdefault] = PREC_primary; | |
| 120 #endif | |
| 159 | 121 |
| 122 // post | |
| 123 precedence[TOKdotti] = PREC_primary; | |
| 124 precedence[TOKdot] = PREC_primary; | |
| 125 // precedence[TOKarrow] = PREC_primary; | |
| 126 precedence[TOKplusplus] = PREC_primary; | |
| 127 precedence[TOKminusminus] = PREC_primary; | |
| 128 precedence[TOKcall] = PREC_primary; | |
| 129 precedence[TOKslice] = PREC_primary; | |
| 130 precedence[TOKarray] = PREC_primary; | |
| 131 | |
| 132 precedence[TOKaddress] = PREC_unary; | |
| 133 precedence[TOKstar] = PREC_unary; | |
| 134 precedence[TOKneg] = PREC_unary; | |
| 135 precedence[TOKuadd] = PREC_unary; | |
| 136 precedence[TOKnot] = PREC_unary; | |
| 137 precedence[TOKtobool] = PREC_add; | |
| 138 precedence[TOKtilde] = PREC_unary; | |
| 139 precedence[TOKdelete] = PREC_unary; | |
| 140 precedence[TOKnew] = PREC_unary; | |
| 141 precedence[TOKcast] = PREC_unary; | |
| 142 | |
| 143 precedence[TOKmul] = PREC_mul; | |
| 144 precedence[TOKdiv] = PREC_mul; | |
| 145 precedence[TOKmod] = PREC_mul; | |
| 146 | |
| 147 precedence[TOKadd] = PREC_add; | |
| 148 precedence[TOKmin] = PREC_add; | |
| 149 precedence[TOKcat] = PREC_add; | |
| 150 | |
| 151 precedence[TOKshl] = PREC_shift; | |
| 152 precedence[TOKshr] = PREC_shift; | |
| 153 precedence[TOKushr] = PREC_shift; | |
| 154 | |
| 155 precedence[TOKlt] = PREC_rel; | |
| 156 precedence[TOKle] = PREC_rel; | |
| 157 precedence[TOKgt] = PREC_rel; | |
| 158 precedence[TOKge] = PREC_rel; | |
| 159 precedence[TOKunord] = PREC_rel; | |
| 160 precedence[TOKlg] = PREC_rel; | |
| 161 precedence[TOKleg] = PREC_rel; | |
| 162 precedence[TOKule] = PREC_rel; | |
| 163 precedence[TOKul] = PREC_rel; | |
| 164 precedence[TOKuge] = PREC_rel; | |
| 165 precedence[TOKug] = PREC_rel; | |
| 166 precedence[TOKue] = PREC_rel; | |
| 167 precedence[TOKin] = PREC_rel; | |
| 168 | |
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169 #if 0 |
| 159 | 170 precedence[TOKequal] = PREC_equal; |
| 171 precedence[TOKnotequal] = PREC_equal; | |
| 172 precedence[TOKidentity] = PREC_equal; | |
| 173 precedence[TOKnotidentity] = PREC_equal; | |
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174 #else |
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175 /* Note that we changed precedence, so that < and != have the same |
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176 * precedence. This change is in the parser, too. |
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177 */ |
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178 precedence[TOKequal] = PREC_rel; |
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179 precedence[TOKnotequal] = PREC_rel; |
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180 precedence[TOKidentity] = PREC_rel; |
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181 precedence[TOKnotidentity] = PREC_rel; |
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182 #endif |
| 159 | 183 |
| 184 precedence[TOKand] = PREC_and; | |
| 185 | |
| 186 precedence[TOKxor] = PREC_xor; | |
| 187 | |
| 188 precedence[TOKor] = PREC_or; | |
| 189 | |
| 190 precedence[TOKandand] = PREC_andand; | |
| 191 | |
| 192 precedence[TOKoror] = PREC_oror; | |
| 193 | |
| 194 precedence[TOKquestion] = PREC_cond; | |
| 195 | |
| 196 precedence[TOKassign] = PREC_assign; | |
| 197 precedence[TOKconstruct] = PREC_assign; | |
| 198 precedence[TOKblit] = PREC_assign; | |
| 199 precedence[TOKaddass] = PREC_assign; | |
| 200 precedence[TOKminass] = PREC_assign; | |
| 201 precedence[TOKcatass] = PREC_assign; | |
| 202 precedence[TOKmulass] = PREC_assign; | |
| 203 precedence[TOKdivass] = PREC_assign; | |
| 204 precedence[TOKmodass] = PREC_assign; | |
| 205 precedence[TOKshlass] = PREC_assign; | |
| 206 precedence[TOKshrass] = PREC_assign; | |
| 207 precedence[TOKushrass] = PREC_assign; | |
| 208 precedence[TOKandass] = PREC_assign; | |
| 209 precedence[TOKorass] = PREC_assign; | |
| 210 precedence[TOKxorass] = PREC_assign; | |
| 211 | |
| 212 precedence[TOKcomma] = PREC_expr; | |
| 213 } | |
| 214 | |
| 336 | 215 /************************************************************* |
| 216 * Given var, we need to get the | |
| 217 * right 'this' pointer if var is in an outer class, but our | |
| 218 * existing 'this' pointer is in an inner class. | |
| 219 * Input: | |
| 220 * e1 existing 'this' | |
| 221 * ad struct or class we need the correct 'this' for | |
| 222 * var the specific member of ad we're accessing | |
| 223 */ | |
| 224 | |
| 225 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 226 Expression *e1, Declaration *var) | |
| 227 { | |
| 228 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 229 L1: | |
| 230 Type *t = e1->type->toBasetype(); | |
| 231 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 232 | |
| 233 /* If e1 is not the 'this' pointer for ad | |
| 234 */ | |
| 235 if (ad && | |
| 236 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 237 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 238 && | |
| 239 !(t->ty == Tstruct && | |
| 240 ((TypeStruct *)t)->sym == ad) | |
| 241 ) | |
| 242 { | |
| 243 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 244 ClassDeclaration *tcd = t->isClassHandle(); | |
| 245 | |
| 246 /* e1 is the right this if ad is a base class of e1 | |
| 247 */ | |
| 248 if (!cd || !tcd || | |
| 249 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 250 ) | |
| 251 { | |
| 252 /* Only classes can be inner classes with an 'outer' | |
| 253 * member pointing to the enclosing class instance | |
| 254 */ | |
| 255 if (tcd && tcd->isNested()) | |
| 256 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 257 * Rewrite it as the 'this' pointer for the outer class. | |
| 258 */ | |
| 259 | |
| 260 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 261 e1->type = tcd->vthis->type; | |
| 262 // Do not call checkNestedRef() | |
| 263 //e1 = e1->semantic(sc); | |
| 264 | |
| 265 // Skip up over nested functions, and get the enclosing | |
| 266 // class type. | |
| 267 int n = 0; | |
| 268 Dsymbol *s; | |
| 269 for (s = tcd->toParent(); | |
| 270 s && s->isFuncDeclaration(); | |
| 271 s = s->toParent()) | |
| 272 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 273 if (f->vthis) | |
| 274 { | |
| 275 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 276 n++; | |
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277 |
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278 // LDC seems dmd misses it sometimes here :/ |
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279 f->vthis->nestedref = 1; |
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280 |
| 336 | 281 e1 = new VarExp(loc, f->vthis); |
| 282 } | |
| 283 } | |
| 284 if (s && s->isClassDeclaration()) | |
| 285 { e1->type = s->isClassDeclaration()->type; | |
| 286 if (n > 1) | |
| 287 e1 = e1->semantic(sc); | |
| 288 } | |
| 289 else | |
| 290 e1 = e1->semantic(sc); | |
| 291 goto L1; | |
| 292 } | |
| 293 /* Can't find a path from e1 to ad | |
| 294 */ | |
| 295 e1->error("this for %s needs to be type %s not type %s", | |
| 296 var->toChars(), ad->toChars(), t->toChars()); | |
| 297 } | |
| 298 } | |
| 299 return e1; | |
| 300 } | |
| 301 | |
| 159 | 302 /***************************************** |
| 303 * Determine if 'this' is available. | |
| 304 * If it is, return the FuncDeclaration that has it. | |
| 305 */ | |
| 306 | |
| 307 FuncDeclaration *hasThis(Scope *sc) | |
| 308 { FuncDeclaration *fd; | |
| 309 FuncDeclaration *fdthis; | |
| 310 | |
| 311 //printf("hasThis()\n"); | |
| 312 fdthis = sc->parent->isFuncDeclaration(); | |
| 313 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 314 | |
| 315 // Go upwards until we find the enclosing member function | |
| 316 fd = fdthis; | |
| 317 while (1) | |
| 318 { | |
| 319 if (!fd) | |
| 320 { | |
| 321 goto Lno; | |
| 322 } | |
| 323 if (!fd->isNested()) | |
| 324 break; | |
| 325 | |
| 326 Dsymbol *parent = fd->parent; | |
| 327 while (parent) | |
| 328 { | |
| 329 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 330 if (ti) | |
| 331 parent = ti->parent; | |
| 332 else | |
| 333 break; | |
| 334 } | |
| 335 | |
| 336 fd = fd->parent->isFuncDeclaration(); | |
| 337 } | |
| 338 | |
| 339 if (!fd->isThis()) | |
| 340 { //printf("test '%s'\n", fd->toChars()); | |
| 341 goto Lno; | |
| 342 } | |
| 343 | |
| 344 assert(fd->vthis); | |
| 345 return fd; | |
| 346 | |
| 347 Lno: | |
| 348 return NULL; // don't have 'this' available | |
| 349 } | |
| 350 | |
| 351 | |
| 352 /*************************************** | |
| 353 * Pull out any properties. | |
| 354 */ | |
| 355 | |
| 356 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 357 { | |
| 358 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 359 if (e->type) | |
| 360 { | |
| 361 Type *t = e->type->toBasetype(); | |
| 362 | |
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363 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 364 { |
| 365 e = new CallExp(e->loc, e); | |
| 366 e = e->semantic(sc); | |
| 367 } | |
| 368 | |
| 369 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 370 */ | |
| 371 else if (e->op == TOKvar) | |
| 372 { VarExp *ve = (VarExp *)e; | |
| 373 | |
| 374 if (ve->var->storage_class & STClazy) | |
| 375 { | |
| 376 e = new CallExp(e->loc, e); | |
| 377 e = e->semantic(sc); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 else if (e->op == TOKdotexp) | |
| 382 { | |
| 383 e->error("expression has no value"); | |
| 384 } | |
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385 |
| 159 | 386 } |
| 387 return e; | |
| 388 } | |
| 389 | |
| 390 /****************************** | |
| 391 * Perform semantic() on an array of Expressions. | |
| 392 */ | |
| 393 | |
| 394 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 395 { | |
| 396 if (exps) | |
| 397 { | |
| 398 for (size_t i = 0; i < exps->dim; i++) | |
| 399 { Expression *e = (Expression *)exps->data[i]; | |
| 400 | |
| 401 e = e->semantic(sc); | |
| 402 exps->data[i] = (void *)e; | |
| 403 } | |
| 404 } | |
| 405 } | |
| 406 | |
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407 |
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408 /****************************** |
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409 * Perform canThrow() on an array of Expressions. |
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410 */ |
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411 |
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412 #if DMDV2 |
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413 int arrayExpressionCanThrow(Expressions *exps) |
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414 { |
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415 if (exps) |
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416 { |
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417 for (size_t i = 0; i < exps->dim; i++) |
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418 { Expression *e = (Expression *)exps->data[i]; |
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419 if (e && e->canThrow()) |
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420 return 1; |
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421 } |
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422 } |
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423 return 0; |
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424 } |
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425 #endif |
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|
426 |
| 159 | 427 /**************************************** |
| 428 * Expand tuples. | |
| 429 */ | |
| 430 | |
| 431 void expandTuples(Expressions *exps) | |
| 432 { | |
| 433 //printf("expandTuples()\n"); | |
| 434 if (exps) | |
| 435 { | |
| 436 for (size_t i = 0; i < exps->dim; i++) | |
| 437 { Expression *arg = (Expression *)exps->data[i]; | |
| 438 if (!arg) | |
| 439 continue; | |
| 440 | |
| 441 // Look for tuple with 0 members | |
| 442 if (arg->op == TOKtype) | |
| 443 { TypeExp *e = (TypeExp *)arg; | |
| 444 if (e->type->toBasetype()->ty == Ttuple) | |
| 445 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 446 | |
| 447 if (!tt->arguments || tt->arguments->dim == 0) | |
| 448 { | |
| 449 exps->remove(i); | |
| 450 if (i == exps->dim) | |
| 451 return; | |
| 452 i--; | |
| 453 continue; | |
| 454 } | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 // Inline expand all the tuples | |
| 459 while (arg->op == TOKtuple) | |
| 460 { TupleExp *te = (TupleExp *)arg; | |
| 461 | |
| 462 exps->remove(i); // remove arg | |
| 463 exps->insert(i, te->exps); // replace with tuple contents | |
| 464 if (i == exps->dim) | |
| 465 return; // empty tuple, no more arguments | |
| 466 arg = (Expression *)exps->data[i]; | |
| 467 } | |
| 468 } | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 /**************************************** | |
| 473 * Preprocess arguments to function. | |
| 474 */ | |
| 475 | |
| 476 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 477 { | |
| 478 if (exps) | |
| 479 { | |
| 480 expandTuples(exps); | |
| 481 | |
| 482 for (size_t i = 0; i < exps->dim; i++) | |
| 483 { Expression *arg = (Expression *)exps->data[i]; | |
| 484 | |
| 485 if (!arg->type) | |
| 486 { | |
| 487 #ifdef DEBUG | |
| 488 if (!global.gag) | |
| 489 printf("1: \n"); | |
| 490 #endif | |
| 491 arg->error("%s is not an expression", arg->toChars()); | |
| 492 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 493 } | |
| 494 | |
| 495 arg = resolveProperties(sc, arg); | |
| 496 exps->data[i] = (void *) arg; | |
| 497 | |
| 498 //arg->rvalue(); | |
| 499 #if 0 | |
| 500 if (arg->type->ty == Tfunction) | |
| 501 { | |
| 502 arg = new AddrExp(arg->loc, arg); | |
| 503 arg = arg->semantic(sc); | |
| 504 exps->data[i] = (void *) arg; | |
| 505 } | |
| 506 #endif | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 | |
| 336 | 511 /********************************************* |
| 512 * Call copy constructor for struct value argument. | |
| 513 */ | |
| 514 #if DMDV2 | |
| 515 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 516 { | |
| 517 Type *tb = e->type->toBasetype(); | |
| 518 assert(tb->ty == Tstruct); | |
| 519 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 520 if (sd->cpctor) | |
| 521 { | |
| 522 /* Create a variable tmp, and replace the argument e with: | |
| 523 * (tmp = e),tmp | |
| 524 * and let AssignExp() handle the construction. | |
| 525 * This is not the most efficent, ideally tmp would be constructed | |
| 526 * directly onto the stack. | |
| 527 */ | |
| 528 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 529 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 530 Expression *ae = new DeclarationExp(loc, tmp); | |
| 531 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 532 e = e->semantic(sc); | |
| 533 } | |
| 534 return e; | |
| 535 } | |
| 536 #endif | |
| 159 | 537 |
| 538 /**************************************** | |
| 539 * Now that we know the exact type of the function we're calling, | |
| 540 * the arguments[] need to be adjusted: | |
|
510
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541 * 1. implicitly convert argument to the corresponding parameter type |
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542 * 2. add default arguments for any missing arguments |
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543 * 3. do default promotions on arguments corresponding to ... |
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544 * 4. add hidden _arguments[] argument |
| 159 | 545 */ |
| 546 | |
| 547 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 548 { | |
| 549 unsigned n; | |
| 550 | |
| 551 //printf("functionArguments()\n"); | |
| 552 assert(arguments); | |
| 553 size_t nargs = arguments ? arguments->dim : 0; | |
| 554 size_t nparams = Argument::dim(tf->parameters); | |
| 555 | |
| 556 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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557 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 558 |
| 559 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 560 | |
|
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561 int done = 0; |
| 159 | 562 for (size_t i = 0; i < n; i++) |
| 563 { | |
| 564 Expression *arg; | |
| 565 | |
| 566 if (i < nargs) | |
| 567 arg = (Expression *)arguments->data[i]; | |
| 568 else | |
| 569 arg = NULL; | |
|
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570 Type *tb; |
| 159 | 571 |
| 572 if (i < nparams) | |
| 573 { | |
| 574 Argument *p = Argument::getNth(tf->parameters, i); | |
| 575 | |
| 576 if (!arg) | |
| 577 { | |
| 578 if (!p->defaultArg) | |
| 579 { | |
| 580 if (tf->varargs == 2 && i + 1 == nparams) | |
| 581 goto L2; | |
|
1103
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- Updated to DMD frontend 1.041.
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582 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 583 break; |
| 584 } | |
| 336 | 585 arg = p->defaultArg; |
| 586 #if DMDV2 | |
| 587 if (arg->op == TOKdefault) | |
| 588 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 589 arg = de->resolve(loc, sc); | |
| 590 } | |
| 591 else | |
| 592 #endif | |
| 593 arg = arg->copy(); | |
| 159 | 594 arguments->push(arg); |
| 595 nargs++; | |
| 596 } | |
| 597 | |
| 598 if (tf->varargs == 2 && i + 1 == nparams) | |
| 599 { | |
| 600 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 601 if (arg->implicitConvTo(p->type)) | |
| 602 { | |
| 603 if (nargs != nparams) | |
|
1103
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604 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 605 goto L1; |
| 606 } | |
| 607 L2: | |
| 608 Type *tb = p->type->toBasetype(); | |
| 609 Type *tret = p->isLazyArray(); | |
| 610 switch (tb->ty) | |
| 611 { | |
| 612 case Tsarray: | |
| 613 case Tarray: | |
| 614 { // Create a static array variable v of type arg->type | |
| 615 #ifdef IN_GCC | |
| 616 /* GCC 4.0 does not like zero length arrays used like | |
| 617 this; pass a null array value instead. Could also | |
| 618 just make a one-element array. */ | |
| 619 if (nargs - i == 0) | |
| 620 { | |
| 621 arg = new NullExp(loc); | |
| 622 break; | |
| 623 } | |
| 624 #endif | |
|
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625 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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|
626 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 627 t = t->semantic(loc, sc); |
| 628 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 629 v->semantic(sc); | |
| 630 v->parent = sc->parent; | |
| 631 //sc->insert(v); | |
| 632 | |
| 633 Expression *c = new DeclarationExp(0, v); | |
| 634 c->type = v->type; | |
| 635 | |
| 636 for (size_t u = i; u < nargs; u++) | |
| 637 { Expression *a = (Expression *)arguments->data[u]; | |
|
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|
638 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 639 a = a->toDelegate(sc, tret); |
| 640 | |
| 641 Expression *e = new VarExp(loc, v); | |
| 642 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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643 AssignExp *ae = new AssignExp(loc, e, a); |
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644 #if DMDV2 |
|
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645 ae->op = TOKconstruct; |
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diff
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646 #endif |
| 159 | 647 if (c) |
|
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diff
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|
648 c = new CommaExp(loc, c, ae); |
| 159 | 649 else |
|
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Merged DMD 1.038
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|
650 c = ae; |
| 159 | 651 } |
| 652 arg = new VarExp(loc, v); | |
| 653 if (c) | |
| 654 arg = new CommaExp(loc, c, arg); | |
| 655 break; | |
| 656 } | |
| 657 case Tclass: | |
| 658 { /* Set arg to be: | |
| 659 * new Tclass(arg0, arg1, ..., argn) | |
| 660 */ | |
| 661 Expressions *args = new Expressions(); | |
| 662 args->setDim(nargs - i); | |
| 663 for (size_t u = i; u < nargs; u++) | |
| 664 args->data[u - i] = arguments->data[u]; | |
| 665 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 666 break; | |
| 667 } | |
| 668 default: | |
| 669 if (!arg) | |
| 670 { error(loc, "not enough arguments"); | |
| 671 return; | |
| 672 } | |
| 673 break; | |
| 674 } | |
| 675 arg = arg->semantic(sc); | |
| 676 //printf("\targ = '%s'\n", arg->toChars()); | |
| 677 arguments->setDim(i + 1); | |
| 678 done = 1; | |
| 679 } | |
| 680 | |
| 681 L1: | |
| 682 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 683 arg = arg->implicitCastTo(sc, p->type); | |
| 684 if (p->storageClass & (STCout | STCref)) | |
| 685 { | |
| 686 // BUG: should check that argument to ref is type 'invariant' | |
| 687 // BUG: assignments to ref should also be type 'invariant' | |
| 688 arg = arg->modifiableLvalue(sc, arg); | |
| 689 | |
| 690 //if (arg->op == TOKslice) | |
| 691 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 692 } | |
| 693 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
changeset
|
694 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
695 #if !IN_LLVM |
| 159 | 696 // Convert static arrays to pointers |
| 697 tb = arg->type->toBasetype(); | |
| 698 if (tb->ty == Tsarray) | |
| 699 { | |
| 700 arg = arg->checkToPointer(); | |
| 701 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
702 #endif |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
703 |
|
875
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
704 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
705 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
706 { |
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diff
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|
707 arg = callCpCtor(loc, sc, arg); |
|
330f999ade44
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|
708 } |
|
330f999ade44
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|
709 #endif |
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|
710 |
| 159 | 711 |
| 712 // Convert lazy argument to a delegate | |
| 713 if (p->storageClass & STClazy) | |
| 714 { | |
| 715 arg = arg->toDelegate(sc, p->type); | |
| 716 } | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
717 #if DMDV2 |
|
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Merged DMD 1.038
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diff
changeset
|
718 /* Look for arguments that cannot 'escape' from the called |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
719 * function. |
|
330f999ade44
Merged DMD 1.038
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diff
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|
720 */ |
|
330f999ade44
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diff
changeset
|
721 if (!tf->parameterEscapes(p)) |
|
330f999ade44
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parents:
846
diff
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|
722 { |
|
330f999ade44
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parents:
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diff
changeset
|
723 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
724 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
725 */ |
|
330f999ade44
Merged DMD 1.038
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diff
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|
726 if (arg->op == TOKfunction) |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
727 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
728 fe->fd->tookAddressOf = 0; |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
729 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
730 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
731 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
732 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
733 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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734 */ |
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735 else if (arg->op == TOKdelegate) |
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736 { DelegateExp *de = (DelegateExp *)arg; |
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737 if (de->e1->op == TOKvar) |
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738 { VarExp *ve = (VarExp *)de->e1; |
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739 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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740 if (f) |
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741 { f->tookAddressOf--; |
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742 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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743 } |
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744 } |
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745 } |
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746 } |
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747 #endif |
| 159 | 748 } |
| 749 else | |
| 750 { | |
| 751 | |
| 752 // If not D linkage, do promotions | |
|
723
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753 // LDC: don't do promotions on intrinsics |
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754 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 755 { |
| 756 // Promote bytes, words, etc., to ints | |
| 757 arg = arg->integralPromotions(sc); | |
| 758 | |
| 759 // Promote floats to doubles | |
| 760 switch (arg->type->ty) | |
| 761 { | |
| 762 case Tfloat32: | |
| 763 arg = arg->castTo(sc, Type::tfloat64); | |
| 764 break; | |
| 765 | |
| 766 case Timaginary32: | |
| 767 arg = arg->castTo(sc, Type::timaginary64); | |
| 768 break; | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 // Convert static arrays to dynamic arrays | |
| 773 tb = arg->type->toBasetype(); | |
| 774 if (tb->ty == Tsarray) | |
| 775 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 776 Type *ta = ts->next->arrayOf(); |
| 159 | 777 if (ts->size(arg->loc) == 0) |
| 778 { arg = new NullExp(arg->loc); | |
| 779 arg->type = ta; | |
| 780 } | |
| 781 else | |
| 782 arg = arg->castTo(sc, ta); | |
| 783 } | |
| 336 | 784 #if DMDV2 |
| 785 if (tb->ty == Tstruct) | |
| 786 { | |
| 787 arg = callCpCtor(loc, sc, arg); | |
| 788 } | |
| 789 | |
| 790 // Give error for overloaded function addresses | |
| 791 if (arg->op == TOKsymoff) | |
| 792 { SymOffExp *se = (SymOffExp *)arg; | |
| 793 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 794 arg->error("function %s is overloaded", arg->toChars()); | |
| 795 } | |
| 796 #endif | |
| 159 | 797 arg->rvalue(); |
| 798 } | |
| 799 arg = arg->optimize(WANTvalue); | |
| 800 arguments->data[i] = (void *) arg; | |
| 801 if (done) | |
| 802 break; | |
| 803 } | |
| 804 | |
| 805 #if !IN_LLVM | |
| 806 // If D linkage and variadic, add _arguments[] as first argument | |
| 807 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 808 { | |
| 809 Expression *e; | |
| 810 | |
| 811 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 812 arguments->dim - nparams); | |
| 813 arguments->insert(0, e); | |
| 814 } | |
| 815 #endif | |
| 816 } | |
| 817 | |
| 818 /************************************************** | |
| 819 * Write expression out to buf, but wrap it | |
| 820 * in ( ) if its precedence is less than pr. | |
| 821 */ | |
| 822 | |
| 823 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 824 { | |
| 336 | 825 //if (precedence[e->op] == 0) e->dump(0); |
|
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826 if (precedence[e->op] < pr || |
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827 /* Despite precedence, we don't allow a<b<c expressions. |
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828 * They must be parenthesized. |
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829 */ |
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|
830 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 831 { |
| 832 buf->writeByte('('); | |
| 833 e->toCBuffer(buf, hgs); | |
| 834 buf->writeByte(')'); | |
| 835 } | |
| 836 else | |
| 837 e->toCBuffer(buf, hgs); | |
| 838 } | |
| 839 | |
| 840 /************************************************** | |
| 841 * Write out argument list to buf. | |
| 842 */ | |
| 843 | |
| 844 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 845 { | |
| 846 if (arguments) | |
| 847 { | |
| 848 for (size_t i = 0; i < arguments->dim; i++) | |
| 849 { Expression *arg = (Expression *)arguments->data[i]; | |
| 850 | |
| 851 if (arg) | |
| 852 { if (i) | |
| 853 buf->writeByte(','); | |
| 854 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 855 } | |
| 856 } | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 /************************************************** | |
| 861 * Write out argument types to buf. | |
| 862 */ | |
| 863 | |
| 864 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 865 { | |
| 866 if (arguments) | |
| 867 { OutBuffer argbuf; | |
| 868 | |
| 869 for (size_t i = 0; i < arguments->dim; i++) | |
| 870 { Expression *arg = (Expression *)arguments->data[i]; | |
| 871 | |
| 872 if (i) | |
| 873 buf->writeByte(','); | |
| 874 argbuf.reset(); | |
| 875 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 876 buf->write(&argbuf); | |
| 877 } | |
| 878 } | |
| 879 } | |
| 880 | |
| 881 /******************************** Expression **************************/ | |
| 882 | |
| 883 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 884 : loc(loc) | |
| 885 { | |
|
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886 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 887 this->loc = loc; |
| 888 this->op = op; | |
| 889 this->size = size; | |
| 890 type = NULL; | |
| 891 } | |
| 892 | |
| 893 Expression *Expression::syntaxCopy() | |
| 894 { | |
| 895 //printf("Expression::syntaxCopy()\n"); | |
| 896 //dump(0); | |
| 897 return copy(); | |
| 898 } | |
| 899 | |
| 900 /********************************* | |
| 901 * Does *not* do a deep copy. | |
| 902 */ | |
| 903 | |
| 904 Expression *Expression::copy() | |
| 905 { | |
| 906 Expression *e; | |
| 907 if (!size) | |
| 908 { | |
| 909 #ifdef DEBUG | |
| 910 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 911 printf("op = %d\n", op); | |
| 912 dump(0); | |
| 913 #endif | |
| 914 assert(0); | |
| 915 } | |
| 916 e = (Expression *)mem.malloc(size); | |
|
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917 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 918 return (Expression *)memcpy(e, this, size); |
| 919 } | |
| 920 | |
| 921 /************************** | |
| 922 * Semantically analyze Expression. | |
| 923 * Determine types, fold constants, etc. | |
| 924 */ | |
| 925 | |
| 926 Expression *Expression::semantic(Scope *sc) | |
| 927 { | |
| 928 #if LOGSEMANTIC | |
| 336 | 929 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 930 #endif |
| 931 if (type) | |
| 932 type = type->semantic(loc, sc); | |
| 933 else | |
| 934 type = Type::tvoid; | |
| 935 return this; | |
| 936 } | |
| 937 | |
| 938 void Expression::print() | |
| 939 { | |
| 940 fprintf(stdmsg, "%s\n", toChars()); | |
| 941 fflush(stdmsg); | |
| 942 } | |
| 943 | |
| 944 char *Expression::toChars() | |
| 945 { OutBuffer *buf; | |
| 946 HdrGenState hgs; | |
| 947 | |
| 948 memset(&hgs, 0, sizeof(hgs)); | |
| 949 buf = new OutBuffer(); | |
| 950 toCBuffer(buf, &hgs); | |
| 951 return buf->toChars(); | |
| 952 } | |
| 953 | |
| 954 void Expression::error(const char *format, ...) | |
| 955 { | |
| 956 va_list ap; | |
| 957 va_start(ap, format); | |
| 958 ::verror(loc, format, ap); | |
| 959 va_end( ap ); | |
| 960 } | |
| 961 | |
|
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962 void Expression::warning(const char *format, ...) |
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963 { |
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964 if (global.params.warnings && !global.gag) |
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965 { |
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966 fprintf(stdmsg, "warning - "); |
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967 va_list ap; |
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968 va_start(ap, format); |
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969 ::warning(loc, format, ap); |
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970 va_end( ap ); |
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971 } |
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972 } |
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973 |
| 159 | 974 void Expression::rvalue() |
| 975 { | |
| 976 if (type && type->toBasetype()->ty == Tvoid) | |
| 977 { error("expression %s is void and has no value", toChars()); | |
| 978 #if 0 | |
| 979 dump(0); | |
| 980 halt(); | |
| 981 #endif | |
| 336 | 982 type = Type::tint32; |
| 159 | 983 } |
| 984 } | |
| 985 | |
| 986 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 987 { | |
| 988 if (e1) | |
| 989 { | |
| 990 if (e2) | |
| 991 { | |
| 992 e1 = new CommaExp(e1->loc, e1, e2); | |
| 993 e1->type = e2->type; | |
| 994 } | |
| 995 } | |
| 996 else | |
| 997 e1 = e2; | |
| 998 return e1; | |
| 999 } | |
| 1000 | |
| 1001 integer_t Expression::toInteger() | |
| 1002 { | |
| 1003 //printf("Expression %s\n", Token::toChars(op)); | |
| 1004 error("Integer constant expression expected instead of %s", toChars()); | |
| 1005 return 0; | |
| 1006 } | |
| 1007 | |
| 1008 uinteger_t Expression::toUInteger() | |
| 1009 { | |
| 1010 //printf("Expression %s\n", Token::toChars(op)); | |
| 1011 return (uinteger_t)toInteger(); | |
| 1012 } | |
| 1013 | |
| 1014 real_t Expression::toReal() | |
| 1015 { | |
| 1016 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1017 return 0; | |
| 1018 } | |
| 1019 | |
| 1020 real_t Expression::toImaginary() | |
| 1021 { | |
| 1022 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1023 return 0; | |
| 1024 } | |
| 1025 | |
| 1026 complex_t Expression::toComplex() | |
| 1027 { | |
| 1028 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1029 #ifdef IN_GCC | |
| 1030 return complex_t(real_t(0)); // %% nicer | |
| 1031 #else | |
| 1032 return 0; | |
| 1033 #endif | |
| 1034 } | |
| 1035 | |
| 1036 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1037 { | |
| 1038 buf->writestring(Token::toChars(op)); | |
| 1039 } | |
| 1040 | |
| 1041 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1042 { | |
| 1043 error("expression %s is not a valid template value argument", toChars()); | |
| 1044 } | |
| 1045 | |
|
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1046 /*************************************** |
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1047 * Return !=0 if expression is an lvalue. |
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1048 */ |
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1049 #if DMDV2 |
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1050 int Expression::isLvalue() |
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1051 { |
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1052 return 0; |
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1053 } |
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1054 #endif |
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1055 |
| 159 | 1056 /******************************* |
| 1057 * Give error if we're not an lvalue. | |
| 1058 * If we can, convert expression to be an lvalue. | |
| 1059 */ | |
| 1060 | |
| 1061 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1062 { | |
| 1063 if (!e) | |
| 1064 e = this; | |
| 1065 else if (!loc.filename) | |
| 1066 loc = e->loc; | |
| 1067 error("%s is not an lvalue", e->toChars()); | |
| 1068 return this; | |
| 1069 } | |
| 1070 | |
| 1071 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1072 { | |
|
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1073 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1074 |
| 159 | 1075 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1076 #if DMDV2 |
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1077 if (type && (!type->isMutable() || !type->isAssignable())) |
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1078 error("%s is not mutable", e->toChars()); |
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1079 #endif |
| 159 | 1080 return toLvalue(sc, e); |
| 1081 } | |
| 1082 | |
| 1083 /************************************ | |
| 1084 * Detect cases where pointers to the stack can 'escape' the | |
| 1085 * lifetime of the stack frame. | |
| 1086 */ | |
| 1087 | |
| 1088 void Expression::checkEscape() | |
| 1089 { | |
| 1090 } | |
| 1091 | |
| 1092 void Expression::checkScalar() | |
| 1093 { | |
| 1094 if (!type->isscalar()) | |
| 1095 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1096 } | |
| 1097 | |
| 1098 void Expression::checkNoBool() | |
| 1099 { | |
| 1100 if (type->toBasetype()->ty == Tbool) | |
| 1101 error("operation not allowed on bool '%s'", toChars()); | |
| 1102 } | |
| 1103 | |
| 1104 Expression *Expression::checkIntegral() | |
| 1105 { | |
| 1106 if (!type->isintegral()) | |
| 1107 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1108 return new IntegerExp(0); | |
| 1109 } | |
| 1110 return this; | |
| 1111 } | |
| 1112 | |
| 1113 Expression *Expression::checkArithmetic() | |
| 1114 { | |
| 1115 if (!type->isintegral() && !type->isfloating()) | |
| 1116 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1117 return new IntegerExp(0); | |
| 1118 } | |
| 1119 return this; | |
| 1120 } | |
| 1121 | |
| 1122 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1123 { | |
| 1124 s->checkDeprecated(loc, sc); | |
| 1125 } | |
| 1126 | |
|
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1127 #if DMDV2 |
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1128 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1129 { |
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1130 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1131 error("pure function '%s' cannot call impure function '%s'\n", |
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1132 sc->func->toChars(), f->toChars()); |
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1133 } |
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1134 #endif |
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1135 |
| 159 | 1136 /******************************** |
| 1137 * Check for expressions that have no use. | |
| 1138 * Input: | |
| 1139 * flag 0 not going to use the result, so issue error message if no | |
| 1140 * side effects | |
| 1141 * 1 the result of the expression is used, but still check | |
| 1142 * for useless subexpressions | |
| 1143 * 2 do not issue error messages, just return !=0 if expression | |
| 1144 * has side effects | |
| 1145 */ | |
| 1146 | |
| 1147 int Expression::checkSideEffect(int flag) | |
| 1148 { | |
| 1149 if (flag == 0) | |
| 1150 { if (op == TOKimport) | |
| 1151 { | |
| 1152 error("%s has no effect", toChars()); | |
| 1153 } | |
| 1154 else | |
| 1155 error("%s has no effect in expression (%s)", | |
| 1156 Token::toChars(op), toChars()); | |
| 1157 } | |
| 1158 return 0; | |
| 1159 } | |
| 1160 | |
| 1161 /***************************** | |
| 1162 * Check that expression can be tested for true or false. | |
| 1163 */ | |
| 1164 | |
| 1165 Expression *Expression::checkToBoolean() | |
| 1166 { | |
| 1167 // Default is 'yes' - do nothing | |
| 1168 | |
| 1169 #ifdef DEBUG | |
| 1170 if (!type) | |
| 1171 dump(0); | |
| 1172 #endif | |
| 1173 | |
| 1174 if (!type->checkBoolean()) | |
| 1175 { | |
| 1176 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1177 } | |
| 1178 return this; | |
| 1179 } | |
| 1180 | |
| 1181 /**************************** | |
| 1182 */ | |
| 1183 | |
| 1184 Expression *Expression::checkToPointer() | |
| 1185 { | |
| 1186 Expression *e; | |
| 1187 Type *tb; | |
| 1188 | |
| 1189 //printf("Expression::checkToPointer()\n"); | |
| 1190 e = this; | |
| 1191 | |
| 1192 // If C static array, convert to pointer | |
| 1193 tb = type->toBasetype(); | |
| 1194 if (tb->ty == Tsarray) | |
| 1195 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1196 if (ts->size(loc) == 0) | |
| 1197 e = new NullExp(loc); | |
| 1198 else | |
| 1199 e = new AddrExp(loc, this); | |
| 336 | 1200 e->type = ts->next->pointerTo(); |
| 159 | 1201 } |
| 1202 return e; | |
| 1203 } | |
| 1204 | |
| 1205 /****************************** | |
| 1206 * Take address of expression. | |
| 1207 */ | |
| 1208 | |
| 1209 Expression *Expression::addressOf(Scope *sc) | |
| 1210 { | |
| 1211 Expression *e; | |
| 1212 | |
| 1213 //printf("Expression::addressOf()\n"); | |
| 1214 e = toLvalue(sc, NULL); | |
| 1215 e = new AddrExp(loc, e); | |
| 1216 e->type = type->pointerTo(); | |
| 1217 return e; | |
| 1218 } | |
| 1219 | |
| 1220 /****************************** | |
| 1221 * If this is a reference, dereference it. | |
| 1222 */ | |
| 1223 | |
| 1224 Expression *Expression::deref() | |
| 1225 { | |
| 1226 //printf("Expression::deref()\n"); | |
| 1227 if (type->ty == Treference) | |
| 1228 { Expression *e; | |
| 1229 | |
| 1230 e = new PtrExp(loc, this); | |
| 336 | 1231 e->type = ((TypeReference *)type)->next; |
| 159 | 1232 return e; |
| 1233 } | |
| 1234 return this; | |
| 1235 } | |
| 1236 | |
| 1237 /******************************** | |
| 1238 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1239 */ | |
| 1240 | |
| 1241 int Expression::isBool(int result) | |
| 1242 { | |
| 1243 return FALSE; | |
| 1244 } | |
| 1245 | |
| 1246 /******************************** | |
| 1247 * Does this expression result in either a 1 or a 0? | |
| 1248 */ | |
| 1249 | |
| 1250 int Expression::isBit() | |
| 1251 { | |
| 1252 return FALSE; | |
| 1253 } | |
| 1254 | |
| 336 | 1255 /******************************** |
| 1256 * Can this expression throw an exception? | |
| 1257 * Valid only after semantic() pass. | |
| 1258 */ | |
| 1259 | |
| 1260 int Expression::canThrow() | |
| 1261 { | |
|
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1262 #if DMDV2 |
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1263 return FALSE; |
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1264 #else |
| 336 | 1265 return TRUE; |
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1266 #endif |
| 336 | 1267 } |
| 1268 | |
| 1269 | |
| 1270 | |
| 159 | 1271 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1272 { Expressions *a = NULL; | |
| 1273 | |
| 1274 if (exps) | |
| 1275 { | |
| 1276 a = new Expressions(); | |
| 1277 a->setDim(exps->dim); | |
| 1278 for (int i = 0; i < a->dim; i++) | |
| 1279 { Expression *e = (Expression *)exps->data[i]; | |
| 1280 | |
| 1281 e = e->syntaxCopy(); | |
| 1282 a->data[i] = e; | |
| 1283 } | |
| 1284 } | |
| 1285 return a; | |
| 1286 } | |
| 1287 | |
| 1288 /******************************** IntegerExp **************************/ | |
| 1289 | |
| 1290 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1291 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1292 { | |
| 1293 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1294 if (type && !type->isscalar()) | |
| 1295 { | |
| 336 | 1296 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1297 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1298 type = Type::terror; | |
| 1299 } | |
| 1300 this->type = type; | |
| 1301 this->value = value; | |
| 1302 } | |
| 1303 | |
| 1304 IntegerExp::IntegerExp(integer_t value) | |
| 1305 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1306 { | |
| 1307 this->type = Type::tint32; | |
| 1308 this->value = value; | |
| 1309 } | |
| 1310 | |
| 1311 int IntegerExp::equals(Object *o) | |
| 1312 { IntegerExp *ne; | |
| 1313 | |
| 1314 if (this == o || | |
| 1315 (((Expression *)o)->op == TOKint64 && | |
| 1316 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1317 value == ne->value)) | |
| 1318 return 1; | |
| 1319 return 0; | |
| 1320 } | |
| 1321 | |
| 1322 char *IntegerExp::toChars() | |
| 1323 { | |
| 1324 #if 1 | |
| 1325 return Expression::toChars(); | |
| 1326 #else | |
| 1327 static char buffer[sizeof(value) * 3 + 1]; | |
|
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1328 |
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1329 sprintf(buffer, "%jd", value); |
| 159 | 1330 return buffer; |
| 1331 #endif | |
| 1332 } | |
| 1333 | |
| 1334 integer_t IntegerExp::toInteger() | |
| 1335 { Type *t; | |
| 1336 | |
| 1337 t = type; | |
| 1338 while (t) | |
| 1339 { | |
| 1340 switch (t->ty) | |
| 1341 { | |
| 1342 case Tbit: | |
| 1343 case Tbool: value = (value != 0); break; | |
| 1344 case Tint8: value = (d_int8) value; break; | |
| 1345 case Tchar: | |
| 1346 case Tuns8: value = (d_uns8) value; break; | |
| 1347 case Tint16: value = (d_int16) value; break; | |
| 1348 case Twchar: | |
| 1349 case Tuns16: value = (d_uns16) value; break; | |
| 1350 case Tint32: value = (d_int32) value; break; | |
| 1351 case Tpointer: | |
| 1352 case Tdchar: | |
| 1353 case Tuns32: value = (d_uns32) value; break; | |
| 1354 case Tint64: value = (d_int64) value; break; | |
| 1355 case Tuns64: value = (d_uns64) value; break; | |
| 1356 | |
| 1357 case Tenum: | |
| 1358 { | |
| 1359 TypeEnum *te = (TypeEnum *)t; | |
| 1360 t = te->sym->memtype; | |
| 1361 continue; | |
| 1362 } | |
| 1363 | |
| 1364 case Ttypedef: | |
| 1365 { | |
| 1366 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1367 t = tt->sym->basetype; | |
| 1368 continue; | |
| 1369 } | |
| 1370 | |
| 1371 default: | |
| 336 | 1372 /* This can happen if errors, such as |
| 1373 * the type is painted on like in fromConstInitializer(). | |
| 1374 */ | |
| 1375 if (!global.errors) | |
| 1376 { type->print(); | |
| 1377 assert(0); | |
| 1378 } | |
| 159 | 1379 break; |
| 1380 } | |
| 1381 break; | |
| 1382 } | |
| 1383 return value; | |
| 1384 } | |
| 1385 | |
| 1386 real_t IntegerExp::toReal() | |
| 1387 { | |
| 1388 Type *t; | |
| 1389 | |
| 1390 toInteger(); | |
| 1391 t = type->toBasetype(); | |
| 1392 if (t->ty == Tuns64) | |
| 1393 return (real_t)(d_uns64)value; | |
| 1394 else | |
| 1395 return (real_t)(d_int64)value; | |
| 1396 } | |
| 1397 | |
| 1398 real_t IntegerExp::toImaginary() | |
| 1399 { | |
| 1400 return (real_t) 0; | |
| 1401 } | |
| 1402 | |
| 1403 complex_t IntegerExp::toComplex() | |
| 1404 { | |
| 1405 return toReal(); | |
| 1406 } | |
| 1407 | |
| 1408 int IntegerExp::isBool(int result) | |
| 1409 { | |
| 1410 return result ? value != 0 : value == 0; | |
| 1411 } | |
| 1412 | |
| 1413 Expression *IntegerExp::semantic(Scope *sc) | |
| 1414 { | |
| 1415 if (!type) | |
| 1416 { | |
| 1417 // Determine what the type of this number is | |
| 1418 integer_t number = value; | |
| 1419 | |
| 1420 if (number & 0x8000000000000000LL) | |
| 1421 type = Type::tuns64; | |
| 1422 else if (number & 0xFFFFFFFF80000000LL) | |
| 1423 type = Type::tint64; | |
| 1424 else | |
| 1425 type = Type::tint32; | |
| 1426 } | |
| 1427 else | |
|
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1428 { if (!type->deco) |
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1429 type = type->semantic(loc, sc); |
| 159 | 1430 } |
| 1431 return this; | |
| 1432 } | |
| 1433 | |
| 1434 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1435 { | |
| 1436 if (!e) | |
| 1437 e = this; | |
| 1438 else if (!loc.filename) | |
| 1439 loc = e->loc; | |
| 1440 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1441 return this; | |
| 1442 } | |
| 1443 | |
| 1444 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1445 { | |
| 1446 integer_t v = toInteger(); | |
| 1447 | |
| 1448 if (type) | |
| 1449 { Type *t = type; | |
| 1450 | |
| 1451 L1: | |
| 1452 switch (t->ty) | |
| 1453 { | |
| 1454 case Tenum: | |
| 1455 { TypeEnum *te = (TypeEnum *)t; | |
| 1456 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1457 t = te->sym->memtype; | |
| 1458 goto L1; | |
| 1459 } | |
| 1460 | |
| 1461 case Ttypedef: | |
| 1462 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1463 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1464 t = tt->sym->basetype; | |
| 1465 goto L1; | |
| 1466 } | |
| 1467 | |
| 1468 case Twchar: // BUG: need to cast(wchar) | |
| 1469 case Tdchar: // BUG: need to cast(dchar) | |
| 1470 if ((uinteger_t)v > 0xFF) | |
| 1471 { | |
| 1472 buf->printf("'\\U%08x'", v); | |
| 1473 break; | |
| 1474 } | |
| 1475 case Tchar: | |
| 1476 if (v == '\'') | |
| 1477 buf->writestring("'\\''"); | |
| 1478 else if (isprint(v) && v != '\\') | |
| 1479 buf->printf("'%c'", (int)v); | |
| 1480 else | |
| 1481 buf->printf("'\\x%02x'", (int)v); | |
| 1482 break; | |
| 1483 | |
| 1484 case Tint8: | |
| 1485 buf->writestring("cast(byte)"); | |
| 1486 goto L2; | |
| 1487 | |
| 1488 case Tint16: | |
| 1489 buf->writestring("cast(short)"); | |
| 1490 goto L2; | |
| 1491 | |
| 1492 case Tint32: | |
| 1493 L2: | |
| 1494 buf->printf("%d", (int)v); | |
| 1495 break; | |
| 1496 | |
| 1497 case Tuns8: | |
| 1498 buf->writestring("cast(ubyte)"); | |
| 1499 goto L3; | |
| 1500 | |
| 1501 case Tuns16: | |
| 1502 buf->writestring("cast(ushort)"); | |
| 1503 goto L3; | |
| 1504 | |
| 1505 case Tuns32: | |
| 1506 L3: | |
| 1507 buf->printf("%du", (unsigned)v); | |
| 1508 break; | |
| 1509 | |
| 1510 case Tint64: | |
|
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1511 buf->printf("%jdL", v); |
| 159 | 1512 break; |
| 1513 | |
| 1514 case Tuns64: | |
|
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1515 buf->printf("%juLU", v); |
| 159 | 1516 break; |
| 1517 | |
| 1518 case Tbit: | |
| 1519 case Tbool: | |
| 1520 buf->writestring((char *)(v ? "true" : "false")); | |
| 1521 break; | |
| 1522 | |
| 1523 case Tpointer: | |
| 1524 buf->writestring("cast("); | |
| 1525 buf->writestring(t->toChars()); | |
| 1526 buf->writeByte(')'); | |
| 1527 goto L3; | |
| 1528 | |
| 1529 default: | |
| 336 | 1530 /* This can happen if errors, such as |
| 1531 * the type is painted on like in fromConstInitializer(). | |
| 1532 */ | |
| 1533 if (!global.errors) | |
| 1534 { | |
| 159 | 1535 #ifdef DEBUG |
| 336 | 1536 t->print(); |
| 159 | 1537 #endif |
| 336 | 1538 assert(0); |
| 1539 } | |
| 1540 break; | |
| 159 | 1541 } |
| 1542 } | |
| 1543 else if (v & 0x8000000000000000LL) | |
|
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1544 buf->printf("0x%jx", v); |
| 159 | 1545 else |
|
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1546 buf->printf("%jd", v); |
| 159 | 1547 } |
| 1548 | |
| 1549 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1550 { | |
| 1551 if ((sinteger_t)value < 0) | |
|
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1552 buf->printf("N%jd", -value); |
| 159 | 1553 else |
|
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1554 buf->printf("%jd", value); |
| 159 | 1555 } |
| 1556 | |
| 1557 /******************************** RealExp **************************/ | |
| 1558 | |
| 1559 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1560 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1561 { | |
| 1562 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1563 this->value = value; | |
| 1564 this->type = type; | |
| 1565 } | |
| 1566 | |
| 1567 char *RealExp::toChars() | |
| 1568 { | |
| 1569 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1570 | |
| 1571 #ifdef IN_GCC | |
| 1572 value.format(buffer, sizeof(buffer)); | |
| 1573 if (type->isimaginary()) | |
| 1574 strcat(buffer, "i"); | |
| 1575 #else | |
| 1576 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1577 #endif | |
| 1578 assert(strlen(buffer) < sizeof(buffer)); | |
| 1579 return mem.strdup(buffer); | |
| 1580 } | |
| 1581 | |
| 1582 integer_t RealExp::toInteger() | |
| 1583 { | |
| 1584 #ifdef IN_GCC | |
| 1585 return toReal().toInt(); | |
| 1586 #else | |
| 1587 return (sinteger_t) toReal(); | |
| 1588 #endif | |
| 1589 } | |
| 1590 | |
| 1591 uinteger_t RealExp::toUInteger() | |
| 1592 { | |
| 1593 #ifdef IN_GCC | |
| 1594 return (uinteger_t) toReal().toInt(); | |
| 1595 #else | |
| 1596 return (uinteger_t) toReal(); | |
| 1597 #endif | |
| 1598 } | |
| 1599 | |
| 1600 real_t RealExp::toReal() | |
| 1601 { | |
| 1602 return type->isreal() ? value : 0; | |
| 1603 } | |
| 1604 | |
| 1605 real_t RealExp::toImaginary() | |
| 1606 { | |
| 1607 return type->isreal() ? 0 : value; | |
| 1608 } | |
| 1609 | |
| 1610 complex_t RealExp::toComplex() | |
| 1611 { | |
| 1612 #ifdef __DMC__ | |
| 1613 return toReal() + toImaginary() * I; | |
| 1614 #else | |
| 1615 return complex_t(toReal(), toImaginary()); | |
| 1616 #endif | |
| 1617 } | |
| 1618 | |
| 1619 /******************************** | |
| 1620 * Test to see if two reals are the same. | |
| 1621 * Regard NaN's as equivalent. | |
| 1622 * Regard +0 and -0 as different. | |
| 1623 */ | |
| 1624 | |
| 1625 int RealEquals(real_t x1, real_t x2) | |
| 1626 { | |
|
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1627 #if __APPLE__ |
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1628 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1629 #else |
|
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1630 return // special case nans |
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1631 (isnan(x1) && isnan(x2)) || |
|
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1632 #endif |
|
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1633 // and zero, in order to distinguish +0 from -0 |
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1634 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1635 // otherwise just compare |
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1636 (x1 != 0. && x1 == x2); |
| 159 | 1637 } |
| 1638 | |
| 1639 int RealExp::equals(Object *o) | |
| 1640 { RealExp *ne; | |
| 1641 | |
| 1642 if (this == o || | |
| 1643 (((Expression *)o)->op == TOKfloat64 && | |
| 1644 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1645 RealEquals(value, ne->value) | |
| 1646 ) | |
| 1647 ) | |
| 1648 return 1; | |
| 1649 return 0; | |
| 1650 } | |
| 1651 | |
| 1652 Expression *RealExp::semantic(Scope *sc) | |
| 1653 { | |
| 1654 if (!type) | |
| 1655 type = Type::tfloat64; | |
| 1656 else | |
| 1657 type = type->semantic(loc, sc); | |
| 1658 return this; | |
| 1659 } | |
| 1660 | |
| 1661 int RealExp::isBool(int result) | |
| 1662 { | |
| 1663 #ifdef IN_GCC | |
| 1664 return result ? (! value.isZero()) : (value.isZero()); | |
| 1665 #else | |
| 1666 return result ? (value != 0) | |
| 1667 : (value == 0); | |
| 1668 #endif | |
| 1669 } | |
| 1670 | |
| 1671 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1672 { | |
| 1673 /* In order to get an exact representation, try converting it | |
| 1674 * to decimal then back again. If it matches, use it. | |
| 1675 * If it doesn't, fall back to hex, which is | |
| 1676 * always exact. | |
| 1677 */ | |
| 1678 char buffer[25]; | |
| 1679 sprintf(buffer, "%Lg", value); | |
| 1680 assert(strlen(buffer) < sizeof(buffer)); | |
| 1681 #if _WIN32 && __DMC__ | |
| 1682 char *save = __locale_decpoint; | |
| 1683 __locale_decpoint = "."; | |
| 1684 real_t r = strtold(buffer, NULL); | |
| 1685 __locale_decpoint = save; | |
| 1686 #else | |
| 1687 real_t r = strtold(buffer, NULL); | |
| 1688 #endif | |
| 1689 if (r == value) // if exact duplication | |
| 1690 buf->writestring(buffer); | |
| 1691 else | |
| 1692 buf->printf("%La", value); // ensure exact duplication | |
| 1693 | |
| 1694 if (type) | |
| 1695 { | |
| 1696 Type *t = type->toBasetype(); | |
| 1697 switch (t->ty) | |
| 1698 { | |
| 1699 case Tfloat32: | |
| 1700 case Timaginary32: | |
| 1701 case Tcomplex32: | |
| 1702 buf->writeByte('F'); | |
| 1703 break; | |
| 1704 | |
| 1705 case Tfloat80: | |
| 1706 case Timaginary80: | |
| 1707 case Tcomplex80: | |
| 1708 buf->writeByte('L'); | |
| 1709 break; | |
| 1710 | |
| 1711 default: | |
| 1712 break; | |
| 1713 } | |
| 1714 if (t->isimaginary()) | |
| 1715 buf->writeByte('i'); | |
| 1716 } | |
| 1717 } | |
| 1718 | |
| 1719 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1720 { | |
| 1721 floatToBuffer(buf, type, value); | |
| 1722 } | |
| 1723 | |
| 1724 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1725 { | |
| 1726 /* Rely on %A to get portable mangling. | |
| 1727 * Must munge result to get only identifier characters. | |
| 1728 * | |
| 1729 * Possible values from %A => mangled result | |
| 1730 * NAN => NAN | |
| 1731 * -INF => NINF | |
| 1732 * INF => INF | |
| 1733 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1734 * 0X1.9P+2 => 19P2 | |
| 1735 */ | |
| 1736 | |
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1737 #if __APPLE__ |
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1739 #else |
| 159 | 1740 if (isnan(value)) |
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1741 #endif |
| 159 | 1742 buf->writestring("NAN"); // no -NAN bugs |
| 1743 else | |
| 1744 { | |
| 1745 char buffer[32]; | |
| 1746 int n = sprintf(buffer, "%LA", value); | |
| 1747 assert(n > 0 && n < sizeof(buffer)); | |
| 1748 for (int i = 0; i < n; i++) | |
| 1749 { char c = buffer[i]; | |
| 1750 | |
| 1751 switch (c) | |
| 1752 { | |
| 1753 case '-': | |
| 1754 buf->writeByte('N'); | |
| 1755 break; | |
| 1756 | |
| 1757 case '+': | |
| 1758 case 'X': | |
| 1759 case '.': | |
| 1760 break; | |
| 1761 | |
| 1762 case '0': | |
| 1763 if (i < 2) | |
| 1764 break; // skip leading 0X | |
| 1765 default: | |
| 1766 buf->writeByte(c); | |
| 1767 break; | |
| 1768 } | |
| 1769 } | |
| 1770 } | |
| 1771 } | |
| 1772 | |
| 1773 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1774 { | |
| 1775 buf->writeByte('e'); | |
| 1776 realToMangleBuffer(buf, value); | |
| 1777 } | |
| 1778 | |
| 1779 | |
| 1780 /******************************** ComplexExp **************************/ | |
| 1781 | |
| 1782 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1783 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1784 { | |
| 1785 this->value = value; | |
| 1786 this->type = type; | |
| 1787 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1788 } | |
| 1789 | |
| 1790 char *ComplexExp::toChars() | |
| 1791 { | |
| 1792 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1793 | |
| 1794 #ifdef IN_GCC | |
| 1795 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1796 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1797 creall(value).format(buf1, sizeof(buf1)); | |
| 1798 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1799 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1800 #else | |
| 1801 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1802 assert(strlen(buffer) < sizeof(buffer)); | |
| 1803 #endif | |
| 1804 return mem.strdup(buffer); | |
| 1805 } | |
| 1806 | |
| 1807 integer_t ComplexExp::toInteger() | |
| 1808 { | |
| 1809 #ifdef IN_GCC | |
| 1810 return (sinteger_t) toReal().toInt(); | |
| 1811 #else | |
| 1812 return (sinteger_t) toReal(); | |
| 1813 #endif | |
| 1814 } | |
| 1815 | |
| 1816 uinteger_t ComplexExp::toUInteger() | |
| 1817 { | |
| 1818 #ifdef IN_GCC | |
| 1819 return (uinteger_t) toReal().toInt(); | |
| 1820 #else | |
| 1821 return (uinteger_t) toReal(); | |
| 1822 #endif | |
| 1823 } | |
| 1824 | |
| 1825 real_t ComplexExp::toReal() | |
| 1826 { | |
| 1827 return creall(value); | |
| 1828 } | |
| 1829 | |
| 1830 real_t ComplexExp::toImaginary() | |
| 1831 { | |
| 1832 return cimagl(value); | |
| 1833 } | |
| 1834 | |
| 1835 complex_t ComplexExp::toComplex() | |
| 1836 { | |
| 1837 return value; | |
| 1838 } | |
| 1839 | |
| 1840 int ComplexExp::equals(Object *o) | |
| 1841 { ComplexExp *ne; | |
| 1842 | |
| 1843 if (this == o || | |
| 1844 (((Expression *)o)->op == TOKcomplex80 && | |
| 1845 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1846 RealEquals(creall(value), creall(ne->value)) && | |
| 1847 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1848 ) | |
| 1849 ) | |
| 1850 return 1; | |
| 1851 return 0; | |
| 1852 } | |
| 1853 | |
| 1854 Expression *ComplexExp::semantic(Scope *sc) | |
| 1855 { | |
| 1856 if (!type) | |
| 1857 type = Type::tcomplex80; | |
| 1858 else | |
| 1859 type = type->semantic(loc, sc); | |
| 1860 return this; | |
| 1861 } | |
| 1862 | |
| 1863 int ComplexExp::isBool(int result) | |
| 1864 { | |
| 1865 if (result) | |
| 1866 return (bool)(value); | |
| 1867 else | |
| 1868 return !value; | |
| 1869 } | |
| 1870 | |
| 1871 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1872 { | |
| 1873 /* Print as: | |
| 1874 * (re+imi) | |
| 1875 */ | |
| 1876 #ifdef IN_GCC | |
| 1877 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1878 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1879 creall(value).format(buf1, sizeof(buf1)); | |
| 1880 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1881 buf->printf("(%s+%si)", buf1, buf2); | |
| 1882 #else | |
| 1883 buf->writeByte('('); | |
| 1884 floatToBuffer(buf, type, creall(value)); | |
| 1885 buf->writeByte('+'); | |
| 1886 floatToBuffer(buf, type, cimagl(value)); | |
| 1887 buf->writestring("i)"); | |
| 1888 #endif | |
| 1889 } | |
| 1890 | |
| 1891 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1892 { | |
| 1893 buf->writeByte('c'); | |
| 1894 real_t r = toReal(); | |
| 1895 realToMangleBuffer(buf, r); | |
| 1896 buf->writeByte('c'); // separate the two | |
| 1897 r = toImaginary(); | |
| 1898 realToMangleBuffer(buf, r); | |
| 1899 } | |
| 1900 | |
| 1901 /******************************** IdentifierExp **************************/ | |
| 1902 | |
| 1903 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1904 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1905 { | |
| 1906 this->ident = ident; | |
| 1907 } | |
| 1908 | |
| 1909 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1910 { | |
| 1911 Dsymbol *s; | |
| 1912 Dsymbol *scopesym; | |
| 1913 | |
| 1914 #if LOGSEMANTIC | |
| 1915 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1916 #endif | |
| 1917 s = sc->search(loc, ident, &scopesym); | |
| 1918 if (s) | |
| 1919 { Expression *e; | |
| 1920 WithScopeSymbol *withsym; | |
| 1921 | |
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1922 /* See if the symbol was a member of an enclosing 'with' |
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1923 */ |
| 159 | 1924 withsym = scopesym->isWithScopeSymbol(); |
| 1925 if (withsym) | |
| 1926 { | |
| 1927 s = s->toAlias(); | |
| 1928 | |
| 1929 // Same as wthis.ident | |
| 1930 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1931 { | |
| 1932 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1933 e = new DotIdExp(loc, e, ident); | |
| 1934 } | |
| 1935 else | |
| 1936 { Type *t = withsym->withstate->wthis->type; | |
| 1937 if (t->ty == Tpointer) | |
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1938 t = ((TypePointer *)t)->next; |
| 159 | 1939 e = new TypeDotIdExp(loc, t, ident); |
| 1940 } | |
| 1941 } | |
| 1942 else | |
| 1943 { | |
| 1944 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1945 { // Kludge to run semantic() here because | |
| 1946 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1947 s->semantic(sc); | |
| 1948 } | |
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1949 /* If f is really a function template, |
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1950 * then replace f with the function template declaration. |
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1951 */ |
| 159 | 1952 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1953 if (f && f->parent) | |
| 1954 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1955 | |
| 1956 if (ti && | |
| 1957 !ti->isTemplateMixin() && | |
| 1958 (ti->name == f->ident || | |
| 1959 ti->toAlias()->ident == f->ident) | |
| 1960 && | |
| 1961 ti->tempdecl && ti->tempdecl->onemember) | |
| 1962 { | |
| 1963 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1964 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1965 tempdecl = tempdecl->overroot; // then get the start | |
| 1966 e = new TemplateExp(loc, tempdecl); | |
| 1967 e = e->semantic(sc); | |
| 1968 return e; | |
| 1969 } | |
| 1970 } | |
| 1971 e = new DsymbolExp(loc, s); | |
| 1972 } | |
| 1973 return e->semantic(sc); | |
| 1974 } | |
| 1975 error("undefined identifier %s", ident->toChars()); | |
| 1976 type = Type::terror; | |
| 1977 return this; | |
| 1978 } | |
| 1979 | |
| 1980 char *IdentifierExp::toChars() | |
| 1981 { | |
| 1982 return ident->toChars(); | |
| 1983 } | |
| 1984 | |
| 1985 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1986 { | |
| 1987 if (hgs->hdrgen) | |
| 1988 buf->writestring(ident->toHChars2()); | |
| 1989 else | |
| 1990 buf->writestring(ident->toChars()); | |
| 1991 } | |
| 1992 | |
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1993 #if DMDV2 |
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1994 int IdentifierExp::isLvalue() |
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1995 { |
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1996 return 1; |
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1997 } |
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1998 #endif |
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1999 |
| 159 | 2000 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2001 { | |
| 2002 #if 0 | |
| 2003 tym = tybasic(e1->ET->Tty); | |
| 2004 if (!(tyscalar(tym) || | |
| 2005 tym == TYstruct || | |
| 2006 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2007 synerr(EM_lvalue); // lvalue expected | |
| 2008 #endif | |
| 2009 return this; | |
| 2010 } | |
| 2011 | |
| 2012 /******************************** DollarExp **************************/ | |
| 2013 | |
| 2014 DollarExp::DollarExp(Loc loc) | |
| 2015 : IdentifierExp(loc, Id::dollar) | |
| 2016 { | |
| 2017 } | |
| 2018 | |
| 2019 /******************************** DsymbolExp **************************/ | |
| 2020 | |
| 2021 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2022 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2023 { | |
| 2024 this->s = s; | |
| 2025 } | |
| 2026 | |
| 2027 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2028 { | |
| 2029 #if LOGSEMANTIC | |
| 2030 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2031 #endif | |
| 2032 | |
| 2033 Lagain: | |
| 2034 EnumMember *em; | |
| 2035 Expression *e; | |
| 2036 VarDeclaration *v; | |
| 2037 FuncDeclaration *f; | |
| 2038 FuncLiteralDeclaration *fld; | |
| 2039 Declaration *d; | |
| 2040 ClassDeclaration *cd; | |
| 2041 ClassDeclaration *thiscd = NULL; | |
| 2042 Import *imp; | |
| 2043 Package *pkg; | |
| 2044 Type *t; | |
| 2045 | |
| 2046 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2047 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2048 if (type) | |
| 2049 return this; | |
| 2050 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2051 checkDeprecated(sc, s); | |
| 2052 s = s->toAlias(); | |
| 2053 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2054 if (!s->isFuncDeclaration()) | |
| 2055 checkDeprecated(sc, s); | |
| 2056 | |
| 2057 if (sc->func) | |
| 2058 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2059 | |
| 2060 // BUG: This should happen after overload resolution for functions, not before | |
| 2061 if (s->needThis()) | |
| 2062 { | |
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2063 if (hasThis(sc) |
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2064 #if DMDV2 |
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2065 && !s->isFuncDeclaration() |
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2066 #endif |
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2067 ) |
| 159 | 2068 { |
| 2069 // Supply an implicit 'this', as in | |
| 2070 // this.ident | |
| 2071 | |
| 2072 DotVarExp *de; | |
| 2073 | |
| 2074 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2075 return de->semantic(sc); | |
| 2076 } | |
| 2077 } | |
| 2078 | |
| 2079 em = s->isEnumMember(); | |
| 2080 if (em) | |
| 2081 { | |
| 2082 e = em->value->copy(); | |
| 2083 e = e->semantic(sc); | |
| 2084 return e; | |
| 2085 } | |
| 2086 v = s->isVarDeclaration(); | |
| 2087 if (v) | |
| 2088 { | |
| 2089 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2090 if (!type) | |
| 2091 { type = v->type; | |
| 2092 if (!v->type) | |
| 2093 { error("forward reference of %s", v->toChars()); | |
| 2094 type = Type::terror; | |
| 2095 } | |
| 2096 } | |
| 2097 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2098 { | |
| 2099 if (v->init) | |
| 2100 { | |
| 2101 if (v->inuse) | |
| 2102 { | |
| 2103 error("circular reference to '%s'", v->toChars()); | |
| 2104 type = Type::tint32; | |
| 2105 return this; | |
| 2106 } | |
| 2107 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2108 if (ei) | |
| 2109 { | |
| 2110 e = ei->exp->copy(); // make copy so we can change loc | |
| 2111 if (e->op == TOKstring || !e->type) | |
| 2112 e = e->semantic(sc); | |
| 2113 e = e->implicitCastTo(sc, type); | |
| 2114 e->loc = loc; | |
| 2115 return e; | |
| 2116 } | |
| 2117 } | |
| 2118 else | |
| 2119 { | |
| 2120 e = type->defaultInit(); | |
| 2121 e->loc = loc; | |
| 2122 return e; | |
| 2123 } | |
| 2124 } | |
| 2125 e = new VarExp(loc, v); | |
| 2126 e->type = type; | |
| 2127 e = e->semantic(sc); | |
| 2128 return e->deref(); | |
| 2129 } | |
| 2130 fld = s->isFuncLiteralDeclaration(); | |
| 2131 if (fld) | |
| 2132 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2133 e = new FuncExp(loc, fld); | |
| 2134 return e->semantic(sc); | |
| 2135 } | |
| 2136 f = s->isFuncDeclaration(); | |
| 2137 if (f) | |
| 2138 { //printf("'%s' is a function\n", f->toChars()); | |
| 2139 return new VarExp(loc, f); | |
| 2140 } | |
| 2141 cd = s->isClassDeclaration(); | |
| 2142 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2143 { | |
| 2144 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2145 DotTypeExp *dte; | |
| 2146 | |
| 2147 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2148 return dte->semantic(sc); | |
| 2149 } | |
| 2150 imp = s->isImport(); | |
| 2151 if (imp) | |
| 2152 { | |
| 2153 ScopeExp *ie; | |
| 2154 | |
| 2155 ie = new ScopeExp(loc, imp->pkg); | |
| 2156 return ie->semantic(sc); | |
| 2157 } | |
| 2158 pkg = s->isPackage(); | |
| 2159 if (pkg) | |
| 2160 { | |
| 2161 ScopeExp *ie; | |
| 2162 | |
| 2163 ie = new ScopeExp(loc, pkg); | |
| 2164 return ie->semantic(sc); | |
| 2165 } | |
| 2166 Module *mod = s->isModule(); | |
| 2167 if (mod) | |
| 2168 { | |
| 2169 ScopeExp *ie; | |
| 2170 | |
| 2171 ie = new ScopeExp(loc, mod); | |
| 2172 return ie->semantic(sc); | |
| 2173 } | |
| 2174 | |
| 2175 t = s->getType(); | |
| 2176 if (t) | |
| 2177 { | |
| 2178 return new TypeExp(loc, t); | |
| 2179 } | |
| 2180 | |
| 2181 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2182 if (tup) | |
| 2183 { | |
| 2184 e = new TupleExp(loc, tup); | |
| 2185 e = e->semantic(sc); | |
| 2186 return e; | |
| 2187 } | |
| 2188 | |
| 2189 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2190 if (ti && !global.errors) | |
| 2191 { if (!ti->semanticdone) | |
| 2192 ti->semantic(sc); | |
| 2193 s = ti->inst->toAlias(); | |
| 2194 if (!s->isTemplateInstance()) | |
| 2195 goto Lagain; | |
| 2196 e = new ScopeExp(loc, ti); | |
| 2197 e = e->semantic(sc); | |
| 2198 return e; | |
| 2199 } | |
| 2200 | |
| 2201 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2202 if (td) | |
| 2203 { | |
| 2204 e = new TemplateExp(loc, td); | |
| 2205 e = e->semantic(sc); | |
| 2206 return e; | |
| 2207 } | |
| 2208 | |
| 2209 Lerr: | |
| 2210 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2211 type = Type::terror; | |
| 2212 return this; | |
| 2213 } | |
| 2214 | |
| 2215 char *DsymbolExp::toChars() | |
| 2216 { | |
| 2217 return s->toChars(); | |
| 2218 } | |
| 2219 | |
| 2220 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2221 { | |
| 2222 buf->writestring(s->toChars()); | |
| 2223 } | |
| 2224 | |
|
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diff
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|
2225 #if DMDV2 |
|
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diff
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|
2226 int DsymbolExp::isLvalue() |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2227 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2228 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2229 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2230 #endif |
|
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Merged DMD 1.038
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diff
changeset
|
2231 |
| 159 | 2232 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2233 { | |
| 2234 #if 0 | |
| 2235 tym = tybasic(e1->ET->Tty); | |
| 2236 if (!(tyscalar(tym) || | |
| 2237 tym == TYstruct || | |
| 2238 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2239 synerr(EM_lvalue); // lvalue expected | |
| 2240 #endif | |
| 2241 return this; | |
| 2242 } | |
| 2243 | |
| 2244 /******************************** ThisExp **************************/ | |
| 2245 | |
| 2246 ThisExp::ThisExp(Loc loc) | |
| 2247 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2248 { | |
| 2249 var = NULL; | |
| 2250 } | |
| 2251 | |
| 2252 Expression *ThisExp::semantic(Scope *sc) | |
| 2253 { FuncDeclaration *fd; | |
| 2254 FuncDeclaration *fdthis; | |
| 2255 int nested = 0; | |
| 2256 | |
| 2257 #if LOGSEMANTIC | |
| 2258 printf("ThisExp::semantic()\n"); | |
| 2259 #endif | |
| 2260 if (type) | |
| 2261 { //assert(global.errors || var); | |
| 2262 return this; | |
| 2263 } | |
| 2264 | |
| 2265 /* Special case for typeof(this) and typeof(super) since both | |
| 2266 * should work even if they are not inside a non-static member function | |
| 2267 */ | |
| 2268 if (sc->intypeof) | |
| 2269 { | |
| 2270 // Find enclosing struct or class | |
| 2271 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2272 { | |
| 2273 ClassDeclaration *cd; | |
| 2274 StructDeclaration *sd; | |
| 2275 | |
| 2276 if (!s) | |
| 2277 { | |
| 2278 error("%s is not in a struct or class scope", toChars()); | |
| 2279 goto Lerr; | |
| 2280 } | |
| 2281 cd = s->isClassDeclaration(); | |
| 2282 if (cd) | |
| 2283 { | |
| 2284 type = cd->type; | |
| 2285 return this; | |
| 2286 } | |
| 2287 sd = s->isStructDeclaration(); | |
| 2288 if (sd) | |
| 2289 { | |
| 2290 type = sd->type->pointerTo(); | |
| 2291 return this; | |
| 2292 } | |
| 2293 } | |
| 2294 } | |
| 2295 | |
| 2296 fdthis = sc->parent->isFuncDeclaration(); | |
| 2297 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2298 if (!fd) | |
| 2299 goto Lerr; | |
| 2300 | |
| 2301 assert(fd->vthis); | |
| 2302 var = fd->vthis; | |
| 2303 assert(var->parent); | |
| 2304 type = var->type; | |
| 2305 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2306 #if 0 | |
| 2307 if (fd != fdthis) // if nested | |
| 2308 { | |
| 2309 fdthis->getLevel(loc, fd); | |
| 2310 fd->vthis->nestedref = 1; | |
| 2311 fd->nestedFrameRef = 1; | |
| 2312 } | |
| 2313 #endif | |
| 336 | 2314 if (!sc->intypeof) |
| 2315 sc->callSuper |= CSXthis; | |
| 159 | 2316 return this; |
| 2317 | |
| 2318 Lerr: | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
2319 error("'this' is only defined in non-static member functions, not %s", sc->parent->toChars()); |
|
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diff
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|
2320 type = Type::terror; |
| 159 | 2321 return this; |
| 2322 } | |
| 2323 | |
| 2324 int ThisExp::isBool(int result) | |
| 2325 { | |
| 2326 return result ? TRUE : FALSE; | |
| 2327 } | |
| 2328 | |
| 2329 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2330 { | |
| 2331 buf->writestring("this"); | |
| 2332 } | |
| 2333 | |
|
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diff
changeset
|
2334 #if DMDV2 |
|
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diff
changeset
|
2335 int ThisExp::isLvalue() |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
2336 { |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
2337 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2338 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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|
2339 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2340 |
| 159 | 2341 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2342 { | |
| 2343 return this; | |
| 2344 } | |
| 2345 | |
| 2346 /******************************** SuperExp **************************/ | |
| 2347 | |
| 2348 SuperExp::SuperExp(Loc loc) | |
| 2349 : ThisExp(loc) | |
| 2350 { | |
| 2351 op = TOKsuper; | |
| 2352 } | |
| 2353 | |
| 2354 Expression *SuperExp::semantic(Scope *sc) | |
| 2355 { FuncDeclaration *fd; | |
| 2356 FuncDeclaration *fdthis; | |
| 2357 ClassDeclaration *cd; | |
| 2358 Dsymbol *s; | |
| 2359 | |
| 2360 #if LOGSEMANTIC | |
| 2361 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2362 #endif | |
| 2363 if (type) | |
| 2364 return this; | |
| 2365 | |
| 2366 /* Special case for typeof(this) and typeof(super) since both | |
| 2367 * should work even if they are not inside a non-static member function | |
| 2368 */ | |
| 2369 if (sc->intypeof) | |
| 2370 { | |
| 2371 // Find enclosing class | |
| 2372 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2373 { | |
| 2374 ClassDeclaration *cd; | |
| 2375 | |
| 2376 if (!s) | |
| 2377 { | |
| 2378 error("%s is not in a class scope", toChars()); | |
| 2379 goto Lerr; | |
| 2380 } | |
| 2381 cd = s->isClassDeclaration(); | |
| 2382 if (cd) | |
| 2383 { | |
| 2384 cd = cd->baseClass; | |
| 2385 if (!cd) | |
| 2386 { error("class %s has no 'super'", s->toChars()); | |
| 2387 goto Lerr; | |
| 2388 } | |
| 2389 type = cd->type; | |
| 2390 return this; | |
| 2391 } | |
| 2392 } | |
| 2393 } | |
| 2394 | |
| 2395 fdthis = sc->parent->isFuncDeclaration(); | |
| 2396 fd = hasThis(sc); | |
| 2397 if (!fd) | |
| 2398 goto Lerr; | |
| 2399 assert(fd->vthis); | |
| 2400 var = fd->vthis; | |
| 2401 assert(var->parent); | |
| 2402 | |
| 2403 s = fd->toParent(); | |
| 2404 while (s && s->isTemplateInstance()) | |
| 2405 s = s->toParent(); | |
| 2406 assert(s); | |
| 2407 cd = s->isClassDeclaration(); | |
| 2408 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2409 if (!cd) | |
| 2410 goto Lerr; | |
| 2411 if (!cd->baseClass) | |
| 2412 { | |
| 2413 error("no base class for %s", cd->toChars()); | |
| 2414 type = fd->vthis->type; | |
| 2415 } | |
| 2416 else | |
| 2417 { | |
| 2418 type = cd->baseClass->type; | |
| 2419 } | |
| 2420 | |
| 2421 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2422 #if 0 | |
| 2423 if (fd != fdthis) | |
| 2424 { | |
| 2425 fdthis->getLevel(loc, fd); | |
| 2426 fd->vthis->nestedref = 1; | |
| 2427 fd->nestedFrameRef = 1; | |
| 2428 } | |
| 2429 #endif | |
| 2430 | |
| 336 | 2431 if (!sc->intypeof) |
| 2432 sc->callSuper |= CSXsuper; | |
| 159 | 2433 return this; |
| 2434 | |
| 2435 | |
| 2436 Lerr: | |
| 2437 error("'super' is only allowed in non-static class member functions"); | |
| 2438 type = Type::tint32; | |
| 2439 return this; | |
| 2440 } | |
| 2441 | |
| 2442 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2443 { | |
| 2444 buf->writestring("super"); | |
| 2445 } | |
| 2446 | |
| 2447 | |
| 2448 /******************************** NullExp **************************/ | |
| 2449 | |
| 2450 NullExp::NullExp(Loc loc) | |
| 2451 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2452 { | |
| 2453 committed = 0; | |
| 2454 } | |
| 2455 | |
| 2456 Expression *NullExp::semantic(Scope *sc) | |
| 2457 { | |
| 2458 #if LOGSEMANTIC | |
| 2459 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2460 #endif | |
| 2461 // NULL is the same as (void *)0 | |
| 2462 if (!type) | |
| 2463 type = Type::tvoid->pointerTo(); | |
| 2464 return this; | |
| 2465 } | |
| 2466 | |
| 2467 int NullExp::isBool(int result) | |
| 2468 { | |
| 2469 return result ? FALSE : TRUE; | |
| 2470 } | |
| 2471 | |
| 2472 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2473 { | |
| 2474 buf->writestring("null"); | |
| 2475 } | |
| 2476 | |
| 2477 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2478 { | |
| 2479 buf->writeByte('n'); | |
| 2480 } | |
| 2481 | |
| 2482 /******************************** StringExp **************************/ | |
| 2483 | |
| 2484 StringExp::StringExp(Loc loc, char *string) | |
| 2485 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2486 { | |
| 2487 this->string = string; | |
| 2488 this->len = strlen(string); | |
| 2489 this->sz = 1; | |
| 2490 this->committed = 0; | |
| 2491 this->postfix = 0; | |
| 2492 } | |
| 2493 | |
| 2494 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2495 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2496 { | |
| 2497 this->string = string; | |
| 2498 this->len = len; | |
| 2499 this->sz = 1; | |
| 2500 this->committed = 0; | |
| 2501 this->postfix = 0; | |
| 2502 } | |
| 2503 | |
| 2504 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2505 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2506 { | |
| 2507 this->string = string; | |
| 2508 this->len = len; | |
| 2509 this->sz = 1; | |
| 2510 this->committed = 0; | |
| 2511 this->postfix = postfix; | |
| 2512 } | |
| 2513 | |
| 2514 #if 0 | |
| 2515 Expression *StringExp::syntaxCopy() | |
| 2516 { | |
| 2517 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2518 return copy(); | |
| 2519 } | |
| 2520 #endif | |
| 2521 | |
| 2522 int StringExp::equals(Object *o) | |
| 2523 { | |
| 2524 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2525 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2526 { Expression *e = (Expression *)o; | |
| 2527 | |
| 2528 if (e->op == TOKstring) | |
| 2529 { | |
| 2530 return compare(o) == 0; | |
| 2531 } | |
| 2532 } | |
| 2533 return FALSE; | |
| 2534 } | |
| 2535 | |
| 2536 char *StringExp::toChars() | |
| 2537 { | |
| 2538 OutBuffer buf; | |
| 2539 HdrGenState hgs; | |
| 2540 char *p; | |
| 2541 | |
| 2542 memset(&hgs, 0, sizeof(hgs)); | |
| 2543 toCBuffer(&buf, &hgs); | |
| 2544 buf.writeByte(0); | |
| 2545 p = (char *)buf.data; | |
| 2546 buf.data = NULL; | |
| 2547 return p; | |
| 2548 } | |
| 2549 | |
| 2550 Expression *StringExp::semantic(Scope *sc) | |
| 2551 { | |
| 2552 #if LOGSEMANTIC | |
| 2553 printf("StringExp::semantic() %s\n", toChars()); | |
| 2554 #endif | |
| 2555 if (!type) | |
| 2556 { OutBuffer buffer; | |
| 2557 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2558 const char *p; |
| 159 | 2559 size_t u; |
| 2560 unsigned c; | |
| 2561 | |
| 2562 switch (postfix) | |
| 2563 { | |
| 2564 case 'd': | |
| 2565 for (u = 0; u < len;) | |
| 2566 { | |
| 2567 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2568 if (p) | |
| 2569 { error("%s", p); | |
| 2570 break; | |
| 2571 } | |
| 2572 else | |
| 2573 { buffer.write4(c); | |
| 2574 newlen++; | |
| 2575 } | |
| 2576 } | |
| 2577 buffer.write4(0); | |
| 2578 string = buffer.extractData(); | |
| 2579 len = newlen; | |
| 2580 sz = 4; | |
| 2581 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2582 committed = 1; | |
| 2583 break; | |
| 2584 | |
| 2585 case 'w': | |
| 2586 for (u = 0; u < len;) | |
| 2587 { | |
| 2588 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2589 if (p) | |
| 2590 { error("%s", p); | |
| 2591 break; | |
| 2592 } | |
| 2593 else | |
| 2594 { buffer.writeUTF16(c); | |
| 2595 newlen++; | |
| 2596 if (c >= 0x10000) | |
| 2597 newlen++; | |
| 2598 } | |
| 2599 } | |
| 2600 buffer.writeUTF16(0); | |
| 2601 string = buffer.extractData(); | |
| 2602 len = newlen; | |
| 2603 sz = 2; | |
| 2604 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2605 committed = 1; | |
| 2606 break; | |
| 2607 | |
| 2608 case 'c': | |
| 2609 committed = 1; | |
| 2610 default: | |
| 2611 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2612 break; | |
| 2613 } | |
| 2614 type = type->semantic(loc, sc); | |
| 2615 } | |
| 2616 return this; | |
| 2617 } | |
| 2618 | |
| 2619 /**************************************** | |
| 2620 * Convert string to char[]. | |
| 2621 */ | |
| 2622 | |
| 2623 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2624 { | |
| 2625 if (sz != 1) | |
| 2626 { // Convert to UTF-8 string | |
| 2627 committed = 0; | |
| 2628 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2629 e = e->optimize(WANTvalue); | |
| 2630 assert(e->op == TOKstring); | |
| 2631 StringExp *se = (StringExp *)e; | |
| 2632 assert(se->sz == 1); | |
| 2633 return se; | |
| 2634 } | |
| 2635 return this; | |
| 2636 } | |
| 2637 | |
| 2638 int StringExp::compare(Object *obj) | |
| 2639 { | |
| 2640 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2641 StringExp *se2 = (StringExp *)(obj); | |
| 2642 | |
| 2643 // This is a kludge so isExpression() in template.c will return 5 | |
| 2644 // for StringExp's. | |
| 2645 if (!se2) | |
| 2646 return 5; | |
| 2647 | |
| 2648 assert(se2->op == TOKstring); | |
| 2649 | |
| 2650 int len1 = len; | |
| 2651 int len2 = se2->len; | |
| 2652 | |
| 2653 if (len1 == len2) | |
| 2654 { | |
| 2655 switch (sz) | |
| 2656 { | |
| 2657 case 1: | |
| 2658 return strcmp((char *)string, (char *)se2->string); | |
| 2659 | |
| 2660 case 2: | |
| 2661 { unsigned u; | |
| 2662 d_wchar *s1 = (d_wchar *)string; | |
| 2663 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2664 | |
| 2665 for (u = 0; u < len; u++) | |
| 2666 { | |
| 2667 if (s1[u] != s2[u]) | |
| 2668 return s1[u] - s2[u]; | |
| 2669 } | |
| 2670 } | |
| 2671 | |
| 2672 case 4: | |
| 2673 { unsigned u; | |
| 2674 d_dchar *s1 = (d_dchar *)string; | |
| 2675 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2676 | |
| 2677 for (u = 0; u < len; u++) | |
| 2678 { | |
| 2679 if (s1[u] != s2[u]) | |
| 2680 return s1[u] - s2[u]; | |
| 2681 } | |
| 2682 } | |
| 2683 break; | |
| 2684 | |
| 2685 default: | |
| 2686 assert(0); | |
| 2687 } | |
| 2688 } | |
| 2689 return len1 - len2; | |
| 2690 } | |
| 2691 | |
| 2692 int StringExp::isBool(int result) | |
| 2693 { | |
| 2694 return result ? TRUE : FALSE; | |
| 2695 } | |
| 2696 | |
| 2697 unsigned StringExp::charAt(size_t i) | |
| 2698 { unsigned value; | |
| 2699 | |
| 2700 switch (sz) | |
| 2701 { | |
| 2702 case 1: | |
| 2703 value = ((unsigned char *)string)[i]; | |
| 2704 break; | |
| 2705 | |
| 2706 case 2: | |
| 2707 value = ((unsigned short *)string)[i]; | |
| 2708 break; | |
| 2709 | |
| 2710 case 4: | |
| 2711 value = ((unsigned int *)string)[i]; | |
| 2712 break; | |
| 2713 | |
| 2714 default: | |
| 2715 assert(0); | |
| 2716 break; | |
| 2717 } | |
| 2718 return value; | |
| 2719 } | |
| 2720 | |
| 2721 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2722 { | |
| 2723 buf->writeByte('"'); | |
| 2724 for (size_t i = 0; i < len; i++) | |
| 2725 { unsigned c = charAt(i); | |
| 2726 | |
| 2727 switch (c) | |
| 2728 { | |
| 2729 case '"': | |
| 2730 case '\\': | |
| 2731 if (!hgs->console) | |
| 2732 buf->writeByte('\\'); | |
| 2733 default: | |
| 2734 if (c <= 0xFF) | |
| 2735 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2736 buf->writeByte(c); | |
| 2737 else | |
| 2738 buf->printf("\\x%02x", c); | |
| 2739 } | |
| 2740 else if (c <= 0xFFFF) | |
| 2741 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2742 else | |
| 2743 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2744 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2745 break; | |
| 2746 } | |
| 2747 } | |
| 2748 buf->writeByte('"'); | |
| 2749 if (postfix) | |
| 2750 buf->writeByte(postfix); | |
| 2751 } | |
| 2752 | |
| 2753 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2754 { char m; | |
| 2755 OutBuffer tmp; | |
|
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|
2756 const char *p; |
| 159 | 2757 unsigned c; |
| 2758 size_t u; | |
| 2759 unsigned char *q; | |
| 2760 unsigned qlen; | |
| 2761 | |
| 2762 /* Write string in UTF-8 format | |
| 2763 */ | |
| 2764 switch (sz) | |
| 2765 { case 1: | |
| 2766 m = 'a'; | |
| 2767 q = (unsigned char *)string; | |
| 2768 qlen = len; | |
| 2769 break; | |
| 2770 case 2: | |
| 2771 m = 'w'; | |
| 2772 for (u = 0; u < len; ) | |
| 2773 { | |
| 2774 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2775 if (p) | |
| 2776 error("%s", p); | |
| 2777 else | |
| 2778 tmp.writeUTF8(c); | |
| 2779 } | |
| 2780 q = tmp.data; | |
| 2781 qlen = tmp.offset; | |
| 2782 break; | |
| 2783 case 4: | |
| 2784 m = 'd'; | |
| 2785 for (u = 0; u < len; u++) | |
| 2786 { | |
| 2787 c = ((unsigned *)string)[u]; | |
| 2788 if (!utf_isValidDchar(c)) | |
| 2789 error("invalid UCS-32 char \\U%08x", c); | |
| 2790 else | |
| 2791 tmp.writeUTF8(c); | |
| 2792 } | |
| 2793 q = tmp.data; | |
| 2794 qlen = tmp.offset; | |
| 2795 break; | |
| 2796 default: | |
| 2797 assert(0); | |
| 2798 } | |
| 2799 buf->writeByte(m); | |
| 2800 buf->printf("%d_", qlen); | |
| 2801 for (size_t i = 0; i < qlen; i++) | |
| 2802 buf->printf("%02x", q[i]); | |
| 2803 } | |
| 2804 | |
| 2805 /************************ ArrayLiteralExp ************************************/ | |
| 2806 | |
| 2807 // [ e1, e2, e3, ... ] | |
| 2808 | |
| 2809 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2810 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2811 { | |
| 2812 this->elements = elements; | |
| 2813 } | |
| 2814 | |
| 2815 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2816 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2817 { | |
| 2818 elements = new Expressions; | |
| 2819 elements->push(e); | |
| 2820 } | |
| 2821 | |
| 2822 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2823 { | |
| 2824 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2825 } | |
| 2826 | |
| 2827 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2828 { Expression *e; | |
| 2829 Type *t0 = NULL; | |
| 2830 | |
| 2831 #if LOGSEMANTIC | |
| 2832 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2833 #endif | |
| 2834 if (type) | |
| 2835 return this; | |
| 2836 | |
| 2837 // Run semantic() on each element | |
| 2838 for (int i = 0; i < elements->dim; i++) | |
| 2839 { e = (Expression *)elements->data[i]; | |
| 2840 e = e->semantic(sc); | |
| 2841 elements->data[i] = (void *)e; | |
| 2842 } | |
| 2843 expandTuples(elements); | |
| 2844 for (int i = 0; i < elements->dim; i++) | |
| 2845 { e = (Expression *)elements->data[i]; | |
| 2846 | |
| 2847 if (!e->type) | |
| 2848 error("%s has no value", e->toChars()); | |
| 2849 e = resolveProperties(sc, e); | |
| 2850 | |
| 2851 unsigned char committed = 1; | |
| 2852 if (e->op == TOKstring) | |
| 2853 committed = ((StringExp *)e)->committed; | |
| 2854 | |
| 2855 if (!t0) | |
| 2856 { t0 = e->type; | |
| 2857 // Convert any static arrays to dynamic arrays | |
| 2858 if (t0->ty == Tsarray) | |
| 2859 { | |
|
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2860 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2861 e = e->implicitCastTo(sc, t0); |
| 2862 } | |
| 2863 } | |
| 2864 else | |
| 2865 e = e->implicitCastTo(sc, t0); | |
| 2866 if (!committed && e->op == TOKstring) | |
| 2867 { StringExp *se = (StringExp *)e; | |
| 2868 se->committed = 0; | |
| 2869 } | |
| 2870 elements->data[i] = (void *)e; | |
| 2871 } | |
| 2872 | |
| 2873 if (!t0) | |
| 2874 t0 = Type::tvoid; | |
| 2875 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2876 type = type->semantic(loc, sc); | |
| 2877 return this; | |
| 2878 } | |
| 2879 | |
| 2880 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2881 { int f = 0; | |
| 2882 | |
| 2883 for (size_t i = 0; i < elements->dim; i++) | |
| 2884 { Expression *e = (Expression *)elements->data[i]; | |
| 2885 | |
| 2886 f |= e->checkSideEffect(2); | |
| 2887 } | |
| 2888 if (flag == 0 && f == 0) | |
| 2889 Expression::checkSideEffect(0); | |
| 2890 return f; | |
| 2891 } | |
| 2892 | |
| 2893 int ArrayLiteralExp::isBool(int result) | |
| 2894 { | |
| 2895 size_t dim = elements ? elements->dim : 0; | |
| 2896 return result ? (dim != 0) : (dim == 0); | |
| 2897 } | |
| 2898 | |
|
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2899 #if DMDV2 |
|
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2900 int ArrayLiteralExp::canThrow() |
|
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2901 { |
|
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|
2902 return 1; // because it can fail allocating memory |
|
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|
2903 } |
|
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|
2904 #endif |
|
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|
2905 |
| 159 | 2906 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2907 { | |
| 2908 buf->writeByte('['); | |
| 2909 argsToCBuffer(buf, elements, hgs); | |
| 2910 buf->writeByte(']'); | |
| 2911 } | |
| 2912 | |
| 2913 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2914 { | |
| 2915 size_t dim = elements ? elements->dim : 0; | |
| 2916 buf->printf("A%u", dim); | |
| 2917 for (size_t i = 0; i < dim; i++) | |
| 2918 { Expression *e = (Expression *)elements->data[i]; | |
| 2919 e->toMangleBuffer(buf); | |
| 2920 } | |
| 2921 } | |
| 2922 | |
| 2923 /************************ AssocArrayLiteralExp ************************************/ | |
| 2924 | |
| 2925 // [ key0 : value0, key1 : value1, ... ] | |
| 2926 | |
| 2927 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2928 Expressions *keys, Expressions *values) | |
| 2929 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2930 { | |
| 2931 assert(keys->dim == values->dim); | |
| 2932 this->keys = keys; | |
| 2933 this->values = values; | |
| 2934 } | |
| 2935 | |
| 2936 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2937 { | |
| 2938 return new AssocArrayLiteralExp(loc, | |
| 2939 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2940 } | |
| 2941 | |
| 2942 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2943 { Expression *e; | |
| 2944 Type *tkey = NULL; | |
| 2945 Type *tvalue = NULL; | |
| 2946 | |
| 2947 #if LOGSEMANTIC | |
| 2948 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2949 #endif | |
| 2950 | |
| 2951 // Run semantic() on each element | |
| 2952 for (size_t i = 0; i < keys->dim; i++) | |
| 2953 { Expression *key = (Expression *)keys->data[i]; | |
| 2954 Expression *value = (Expression *)values->data[i]; | |
| 2955 | |
| 2956 key = key->semantic(sc); | |
| 2957 value = value->semantic(sc); | |
| 2958 | |
| 2959 keys->data[i] = (void *)key; | |
| 2960 values->data[i] = (void *)value; | |
| 2961 } | |
| 2962 expandTuples(keys); | |
| 2963 expandTuples(values); | |
| 2964 if (keys->dim != values->dim) | |
| 2965 { | |
| 2966 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2967 keys->setDim(0); | |
| 2968 values->setDim(0); | |
| 2969 } | |
| 2970 for (size_t i = 0; i < keys->dim; i++) | |
| 2971 { Expression *key = (Expression *)keys->data[i]; | |
| 2972 Expression *value = (Expression *)values->data[i]; | |
| 2973 | |
| 2974 if (!key->type) | |
| 2975 error("%s has no value", key->toChars()); | |
| 2976 if (!value->type) | |
| 2977 error("%s has no value", value->toChars()); | |
| 2978 key = resolveProperties(sc, key); | |
| 2979 value = resolveProperties(sc, value); | |
| 2980 | |
| 2981 if (!tkey) | |
| 2982 tkey = key->type; | |
| 2983 else | |
| 2984 key = key->implicitCastTo(sc, tkey); | |
| 2985 keys->data[i] = (void *)key; | |
| 2986 | |
| 2987 if (!tvalue) | |
| 2988 tvalue = value->type; | |
| 2989 else | |
| 2990 value = value->implicitCastTo(sc, tvalue); | |
| 2991 values->data[i] = (void *)value; | |
| 2992 } | |
| 2993 | |
| 2994 if (!tkey) | |
| 2995 tkey = Type::tvoid; | |
| 2996 if (!tvalue) | |
| 2997 tvalue = Type::tvoid; | |
| 2998 type = new TypeAArray(tvalue, tkey); | |
| 2999 type = type->semantic(loc, sc); | |
| 3000 return this; | |
| 3001 } | |
| 3002 | |
| 3003 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3004 { int f = 0; | |
| 3005 | |
| 3006 for (size_t i = 0; i < keys->dim; i++) | |
| 3007 { Expression *key = (Expression *)keys->data[i]; | |
| 3008 Expression *value = (Expression *)values->data[i]; | |
| 3009 | |
| 3010 f |= key->checkSideEffect(2); | |
| 3011 f |= value->checkSideEffect(2); | |
| 3012 } | |
| 3013 if (flag == 0 && f == 0) | |
| 3014 Expression::checkSideEffect(0); | |
| 3015 return f; | |
| 3016 } | |
| 3017 | |
| 3018 int AssocArrayLiteralExp::isBool(int result) | |
| 3019 { | |
| 3020 size_t dim = keys->dim; | |
| 3021 return result ? (dim != 0) : (dim == 0); | |
| 3022 } | |
| 3023 | |
|
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3024 #if DMDV2 |
|
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|
3025 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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|
3026 { |
|
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diff
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|
3027 return 1; |
|
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diff
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|
3028 } |
|
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|
3029 #endif |
|
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diff
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|
3030 |
| 159 | 3031 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3032 { | |
| 3033 buf->writeByte('['); | |
| 3034 for (size_t i = 0; i < keys->dim; i++) | |
| 3035 { Expression *key = (Expression *)keys->data[i]; | |
| 3036 Expression *value = (Expression *)values->data[i]; | |
| 3037 | |
| 3038 if (i) | |
| 3039 buf->writeByte(','); | |
| 3040 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3041 buf->writeByte(':'); | |
| 3042 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3043 } | |
| 3044 buf->writeByte(']'); | |
| 3045 } | |
| 3046 | |
| 3047 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3048 { | |
| 3049 size_t dim = keys->dim; | |
| 3050 buf->printf("A%u", dim); | |
| 3051 for (size_t i = 0; i < dim; i++) | |
| 3052 { Expression *key = (Expression *)keys->data[i]; | |
| 3053 Expression *value = (Expression *)values->data[i]; | |
| 3054 | |
| 3055 key->toMangleBuffer(buf); | |
| 3056 value->toMangleBuffer(buf); | |
| 3057 } | |
| 3058 } | |
| 3059 | |
| 3060 /************************ StructLiteralExp ************************************/ | |
| 3061 | |
| 3062 // sd( e1, e2, e3, ... ) | |
| 3063 | |
| 3064 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3065 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3066 { | |
| 3067 this->sd = sd; | |
| 3068 this->elements = elements; | |
| 3069 this->sym = NULL; | |
| 3070 this->soffset = 0; | |
| 3071 this->fillHoles = 1; | |
| 3072 } | |
| 3073 | |
| 3074 Expression *StructLiteralExp::syntaxCopy() | |
| 3075 { | |
| 3076 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3077 } | |
| 3078 | |
| 3079 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3080 { Expression *e; | |
| 3081 | |
| 3082 #if LOGSEMANTIC | |
| 3083 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3084 #endif | |
|
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diff
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|
3085 if (type) |
|
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diff
changeset
|
3086 return this; |
| 159 | 3087 |
| 3088 // Run semantic() on each element | |
| 3089 for (size_t i = 0; i < elements->dim; i++) | |
| 3090 { e = (Expression *)elements->data[i]; | |
| 3091 if (!e) | |
| 3092 continue; | |
| 3093 e = e->semantic(sc); | |
| 3094 elements->data[i] = (void *)e; | |
| 3095 } | |
| 3096 expandTuples(elements); | |
| 3097 size_t offset = 0; | |
| 3098 for (size_t i = 0; i < elements->dim; i++) | |
| 3099 { e = (Expression *)elements->data[i]; | |
| 3100 if (!e) | |
| 3101 continue; | |
| 3102 | |
| 3103 if (!e->type) | |
| 3104 error("%s has no value", e->toChars()); | |
| 3105 e = resolveProperties(sc, e); | |
| 3106 if (i >= sd->fields.dim) | |
| 3107 { error("more initializers than fields of %s", sd->toChars()); | |
| 3108 break; | |
| 3109 } | |
| 3110 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3111 VarDeclaration *v = s->isVarDeclaration(); | |
| 3112 assert(v); | |
| 3113 if (v->offset < offset) | |
| 3114 error("overlapping initialization for %s", v->toChars()); | |
| 3115 offset = v->offset + v->type->size(); | |
| 3116 | |
| 3117 Type *telem = v->type; | |
| 3118 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3119 { /* Static array initialization, as in: | |
| 3120 * T[3][5] = e; | |
| 3121 */ | |
| 3122 telem = telem->toBasetype()->nextOf(); | |
| 3123 } | |
| 3124 | |
| 3125 e = e->implicitCastTo(sc, telem); | |
| 3126 | |
| 3127 elements->data[i] = (void *)e; | |
| 3128 } | |
| 3129 | |
| 3130 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3131 */ | |
| 3132 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3133 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3134 VarDeclaration *v = s->isVarDeclaration(); | |
| 3135 assert(v); | |
| 3136 | |
| 3137 if (v->offset < offset) | |
| 3138 { e = NULL; | |
| 3139 sd->hasUnions = 1; | |
| 3140 } | |
| 3141 else | |
| 3142 { | |
| 3143 if (v->init) | |
| 3144 { e = v->init->toExpression(); | |
| 3145 if (!e) | |
| 3146 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3147 } | |
| 3148 else | |
| 3149 { e = v->type->defaultInit(); | |
| 3150 e->loc = loc; | |
| 3151 } | |
| 3152 offset = v->offset + v->type->size(); | |
| 3153 } | |
| 3154 elements->push(e); | |
| 3155 } | |
| 3156 | |
| 3157 type = sd->type; | |
| 3158 return this; | |
| 3159 } | |
| 3160 | |
| 3161 /************************************** | |
| 3162 * Gets expression at offset of type. | |
| 3163 * Returns NULL if not found. | |
| 3164 */ | |
| 3165 | |
| 3166 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
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|
3167 { |
|
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|
3168 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
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diff
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|
3169 // /*toChars()*/"", type->toChars(), offset); |
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changeset
|
3170 Expression *e = NULL; |
| 159 | 3171 int i = getFieldIndex(type, offset); |
| 3172 | |
| 3173 if (i != -1) | |
|
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|
3174 { |
|
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diff
changeset
|
3175 //printf("\ti = %d\n", i); |
|
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diff
changeset
|
3176 assert(i < elements->dim); |
|
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diff
changeset
|
3177 e = (Expression *)elements->data[i]; |
| 159 | 3178 if (e) |
| 3179 { | |
| 3180 e = e->copy(); | |
| 3181 e->type = type; | |
| 3182 } | |
| 3183 } | |
| 3184 return e; | |
| 3185 } | |
| 3186 | |
| 3187 /************************************ | |
| 3188 * Get index of field. | |
| 3189 * Returns -1 if not found. | |
| 3190 */ | |
| 3191 | |
| 3192 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3193 { | |
| 3194 /* Find which field offset is by looking at the field offsets | |
| 3195 */ | |
| 3196 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3197 { | |
| 3198 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3199 VarDeclaration *v = s->isVarDeclaration(); | |
| 3200 assert(v); | |
| 3201 | |
| 3202 if (offset == v->offset && | |
| 3203 type->size() == v->type->size()) | |
| 3204 { Expression *e = (Expression *)elements->data[i]; | |
| 3205 if (e) | |
| 3206 { | |
| 3207 return i; | |
| 3208 } | |
| 3209 break; | |
| 3210 } | |
| 3211 } | |
| 3212 return -1; | |
| 3213 } | |
| 3214 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3215 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3216 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3217 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3218 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3219 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3220 #endif |
| 159 | 3221 |
| 3222 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3223 { | |
| 3224 return this; | |
| 3225 } | |
| 3226 | |
| 3227 | |
| 3228 int StructLiteralExp::checkSideEffect(int flag) | |
| 3229 { int f = 0; | |
| 3230 | |
| 3231 for (size_t i = 0; i < elements->dim; i++) | |
| 3232 { Expression *e = (Expression *)elements->data[i]; | |
| 3233 if (!e) | |
| 3234 continue; | |
| 3235 | |
| 3236 f |= e->checkSideEffect(2); | |
| 3237 } | |
| 3238 if (flag == 0 && f == 0) | |
| 3239 Expression::checkSideEffect(0); | |
| 3240 return f; | |
| 3241 } | |
| 3242 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3243 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3244 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3245 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3246 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3247 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3248 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3249 |
| 159 | 3250 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3251 { | |
| 3252 buf->writestring(sd->toChars()); | |
| 3253 buf->writeByte('('); | |
| 3254 argsToCBuffer(buf, elements, hgs); | |
| 3255 buf->writeByte(')'); | |
| 3256 } | |
| 3257 | |
| 3258 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3259 { | |
| 3260 size_t dim = elements ? elements->dim : 0; | |
| 3261 buf->printf("S%u", dim); | |
| 3262 for (size_t i = 0; i < dim; i++) | |
| 3263 { Expression *e = (Expression *)elements->data[i]; | |
| 3264 if (e) | |
| 3265 e->toMangleBuffer(buf); | |
| 3266 else | |
| 3267 buf->writeByte('v'); // 'v' for void | |
| 3268 } | |
| 3269 } | |
| 3270 | |
| 3271 /************************ TypeDotIdExp ************************************/ | |
| 3272 | |
| 3273 /* Things like: | |
| 3274 * int.size | |
| 3275 * foo.size | |
| 3276 * (foo).size | |
| 3277 * cast(foo).size | |
| 3278 */ | |
| 3279 | |
| 3280 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3281 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3282 { | |
| 3283 this->type = type; | |
| 3284 this->ident = ident; | |
| 3285 } | |
| 3286 | |
| 3287 Expression *TypeDotIdExp::syntaxCopy() | |
| 3288 { | |
| 3289 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3290 return te; | |
| 3291 } | |
| 3292 | |
| 3293 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3294 { Expression *e; | |
| 3295 | |
| 3296 #if LOGSEMANTIC | |
| 3297 printf("TypeDotIdExp::semantic()\n"); | |
| 3298 #endif | |
| 3299 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3300 e = e->semantic(sc); | |
| 3301 return e; | |
| 3302 } | |
| 3303 | |
| 3304 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3305 { | |
| 3306 buf->writeByte('('); | |
| 3307 type->toCBuffer(buf, NULL, hgs); | |
| 3308 buf->writeByte(')'); | |
| 3309 buf->writeByte('.'); | |
| 3310 buf->writestring(ident->toChars()); | |
| 3311 } | |
| 3312 | |
| 3313 /************************************************************/ | |
| 3314 | |
| 3315 // Mainly just a placeholder | |
| 3316 | |
| 3317 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3318 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3319 { | |
| 3320 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3321 this->type = type; | |
| 3322 } | |
| 3323 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3324 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3325 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3326 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3327 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3328 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3329 |
| 159 | 3330 Expression *TypeExp::semantic(Scope *sc) |
| 3331 { | |
| 3332 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3333 type = type->semantic(loc, sc); | |
| 3334 return this; | |
| 3335 } | |
| 3336 | |
| 3337 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3338 { | |
| 3339 type->toCBuffer(buf, NULL, hgs); | |
| 3340 } | |
| 3341 | |
| 3342 /************************************************************/ | |
| 3343 | |
| 3344 // Mainly just a placeholder | |
| 3345 | |
| 3346 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3347 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3348 { | |
| 3349 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3350 //static int count; if (++count == 38) *(char*)0=0; | |
| 3351 this->sds = pkg; | |
| 3352 } | |
| 3353 | |
| 3354 Expression *ScopeExp::syntaxCopy() | |
| 3355 { | |
| 3356 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3357 return se; | |
| 3358 } | |
| 3359 | |
| 3360 Expression *ScopeExp::semantic(Scope *sc) | |
| 3361 { | |
| 3362 TemplateInstance *ti; | |
| 3363 ScopeDsymbol *sds2; | |
| 3364 | |
| 3365 #if LOGSEMANTIC | |
| 3366 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3367 #endif | |
| 3368 Lagain: | |
| 3369 ti = sds->isTemplateInstance(); | |
| 3370 if (ti && !global.errors) | |
| 3371 { Dsymbol *s; | |
| 3372 if (!ti->semanticdone) | |
| 3373 ti->semantic(sc); | |
| 3374 s = ti->inst->toAlias(); | |
| 3375 sds2 = s->isScopeDsymbol(); | |
| 3376 if (!sds2) | |
| 3377 { Expression *e; | |
| 3378 | |
| 3379 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3380 if (ti->withsym) | |
| 3381 { | |
| 3382 // Same as wthis.s | |
| 3383 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3384 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3385 } | |
| 3386 else | |
| 3387 e = new DsymbolExp(loc, s); | |
| 3388 e = e->semantic(sc); | |
| 3389 //printf("-1ScopeExp::semantic()\n"); | |
| 3390 return e; | |
| 3391 } | |
| 3392 if (sds2 != sds) | |
| 3393 { | |
| 3394 sds = sds2; | |
| 3395 goto Lagain; | |
| 3396 } | |
| 3397 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3398 } | |
| 3399 else | |
| 3400 { | |
| 3401 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3402 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3403 sds->semantic(sc); | |
| 3404 } | |
| 3405 type = Type::tvoid; | |
| 3406 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3407 return this; | |
| 3408 } | |
| 3409 | |
| 3410 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3411 { | |
| 3412 if (sds->isTemplateInstance()) | |
| 3413 { | |
| 3414 sds->toCBuffer(buf, hgs); | |
| 3415 } | |
| 3416 else | |
| 3417 { | |
| 3418 buf->writestring(sds->kind()); | |
| 3419 buf->writestring(" "); | |
| 3420 buf->writestring(sds->toChars()); | |
| 3421 } | |
| 3422 } | |
| 3423 | |
| 3424 /********************** TemplateExp **************************************/ | |
| 3425 | |
| 3426 // Mainly just a placeholder | |
| 3427 | |
| 3428 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3429 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3430 { | |
| 3431 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3432 this->td = td; | |
| 3433 } | |
| 3434 | |
| 3435 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3436 { | |
| 3437 buf->writestring(td->toChars()); | |
| 3438 } | |
| 3439 | |
| 3440 void TemplateExp::rvalue() | |
| 3441 { | |
| 3442 error("template %s has no value", toChars()); | |
| 3443 } | |
| 3444 | |
| 3445 /********************** NewExp **************************************/ | |
| 3446 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3447 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3448 |
| 159 | 3449 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3450 Type *newtype, Expressions *arguments) | |
| 3451 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3452 { | |
| 3453 this->thisexp = thisexp; | |
| 3454 this->newargs = newargs; | |
| 3455 this->newtype = newtype; | |
| 3456 this->arguments = arguments; | |
| 3457 member = NULL; | |
| 3458 allocator = NULL; | |
| 3459 onstack = 0; | |
| 3460 } | |
| 3461 | |
| 3462 Expression *NewExp::syntaxCopy() | |
| 3463 { | |
| 3464 return new NewExp(loc, | |
| 3465 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3466 arraySyntaxCopy(newargs), | |
| 3467 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3468 } | |
| 3469 | |
| 3470 | |
| 3471 Expression *NewExp::semantic(Scope *sc) | |
| 3472 { int i; | |
| 3473 Type *tb; | |
| 3474 ClassDeclaration *cdthis = NULL; | |
| 3475 | |
| 3476 #if LOGSEMANTIC | |
| 3477 printf("NewExp::semantic() %s\n", toChars()); | |
| 3478 if (thisexp) | |
| 3479 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3480 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3481 #endif | |
| 3482 if (type) // if semantic() already run | |
| 3483 return this; | |
| 3484 | |
| 3485 Lagain: | |
| 3486 if (thisexp) | |
| 3487 { thisexp = thisexp->semantic(sc); | |
| 3488 cdthis = thisexp->type->isClassHandle(); | |
| 3489 if (cdthis) | |
| 3490 { | |
| 3491 sc = sc->push(cdthis); | |
| 3492 type = newtype->semantic(loc, sc); | |
| 3493 sc = sc->pop(); | |
| 3494 } | |
| 3495 else | |
| 3496 { | |
| 3497 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3498 type = newtype->semantic(loc, sc); | |
| 3499 } | |
| 3500 } | |
| 3501 else | |
| 3502 type = newtype->semantic(loc, sc); | |
| 3503 newtype = type; // in case type gets cast to something else | |
| 3504 tb = type->toBasetype(); | |
| 3505 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3506 | |
| 3507 arrayExpressionSemantic(newargs, sc); | |
| 3508 preFunctionArguments(loc, sc, newargs); | |
| 3509 arrayExpressionSemantic(arguments, sc); | |
| 3510 preFunctionArguments(loc, sc, arguments); | |
| 3511 | |
| 3512 if (thisexp && tb->ty != Tclass) | |
| 3513 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3514 | |
| 3515 if (tb->ty == Tclass) | |
| 3516 { TypeFunction *tf; | |
| 3517 | |
| 3518 TypeClass *tc = (TypeClass *)(tb); | |
| 3519 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3520 if (cd->isInterfaceDeclaration()) | |
| 3521 error("cannot create instance of interface %s", cd->toChars()); | |
| 3522 else if (cd->isAbstract()) | |
| 3523 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3524 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3525 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3526 if (fd && fd->isAbstract()) | |
| 3527 error("function %s is abstract", fd->toChars()); | |
| 3528 } | |
| 3529 } | |
| 3530 checkDeprecated(sc, cd); | |
| 3531 if (cd->isNested()) | |
| 3532 { /* We need a 'this' pointer for the nested class. | |
| 3533 * Ensure we have the right one. | |
| 3534 */ | |
| 3535 Dsymbol *s = cd->toParent2(); | |
| 3536 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
|
3537 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3538 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3539 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3540 if (cdn) |
| 3541 { | |
| 3542 if (!cdthis) | |
| 3543 { | |
| 3544 // Supply an implicit 'this' and try again | |
| 3545 thisexp = new ThisExp(loc); | |
| 3546 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3547 { if (!sp) | |
| 3548 { | |
| 3549 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3550 break; | |
| 3551 } | |
| 3552 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3553 if (!cdp) | |
| 3554 continue; | |
| 3555 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3556 break; | |
| 3557 // Add a '.outer' and try again | |
| 3558 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3559 } | |
| 3560 if (!global.errors) | |
| 3561 goto Lagain; | |
| 3562 } | |
| 3563 if (cdthis) | |
| 3564 { | |
| 3565 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3566 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3567 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3568 } | |
| 3569 #if 0 | |
| 3570 else | |
| 3571 { | |
| 3572 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3573 { | |
| 3574 if (!sf) | |
| 3575 { | |
| 3576 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3577 break; | |
| 3578 } | |
| 3579 printf("sf = %s\n", sf->toChars()); | |
| 3580 AggregateDeclaration *ad = sf->isThis(); | |
| 3581 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3582 break; | |
| 3583 } | |
| 3584 } | |
| 3585 #endif | |
| 3586 } | |
| 3587 else if (thisexp) | |
| 3588 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
|
3589 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
|
3590 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3591 // 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
|
3592 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
|
3593 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3594 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
|
3595 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3596 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
|
3597 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
|
3598 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3599 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
|
3600 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3601 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3602 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3603 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3604 } |
| 159 | 3605 } |
| 3606 else if (thisexp) | |
| 3607 error("e.new is only for allocating nested classes"); | |
| 3608 | |
| 3609 FuncDeclaration *f = cd->ctor; | |
| 3610 if (f) | |
| 3611 { | |
| 3612 assert(f); | |
| 3613 f = f->overloadResolve(loc, arguments); | |
| 3614 checkDeprecated(sc, f); | |
| 3615 member = f->isCtorDeclaration(); | |
| 3616 assert(member); | |
| 3617 | |
| 3618 cd->accessCheck(loc, sc, member); | |
| 3619 | |
| 3620 tf = (TypeFunction *)f->type; | |
| 3621 type = tf->next; | |
| 3622 | |
| 3623 if (!arguments) | |
| 3624 arguments = new Expressions(); | |
| 3625 functionArguments(loc, sc, tf, arguments); | |
| 3626 } | |
| 3627 else | |
| 3628 { | |
| 3629 if (arguments && arguments->dim) | |
| 3630 error("no constructor for %s", cd->toChars()); | |
| 3631 } | |
| 3632 | |
| 3633 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3634 { |
|
891
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
3635 // Prepend the size_t size argument to newargs[] |
|
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
3636 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3637 if (!newargs) |
| 3638 newargs = new Expressions(); | |
| 3639 newargs->shift(e); | |
| 3640 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3641 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3642 allocator = f->isNewDeclaration(); |
| 3643 assert(allocator); | |
| 3644 | |
| 3645 tf = (TypeFunction *)f->type; | |
| 3646 functionArguments(loc, sc, tf, newargs); | |
| 3647 } | |
| 3648 else | |
| 3649 { | |
| 3650 if (newargs && newargs->dim) | |
| 3651 error("no allocator for %s", cd->toChars()); | |
| 3652 } | |
| 3653 } | |
| 3654 else if (tb->ty == Tstruct) | |
| 3655 { | |
| 3656 TypeStruct *ts = (TypeStruct *)tb; | |
| 3657 StructDeclaration *sd = ts->sym; | |
| 3658 FuncDeclaration *f = sd->aggNew; | |
| 3659 TypeFunction *tf; | |
| 3660 | |
| 3661 if (arguments && arguments->dim) | |
| 3662 error("no constructor for %s", type->toChars()); | |
| 3663 | |
| 3664 if (f) | |
| 3665 { | |
| 3666 Expression *e; | |
| 3667 | |
| 3668 // Prepend the uint size argument to newargs[] | |
| 3669 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3670 if (!newargs) | |
| 3671 newargs = new Expressions(); | |
| 3672 newargs->shift(e); | |
| 3673 | |
| 3674 f = f->overloadResolve(loc, newargs); | |
| 3675 allocator = f->isNewDeclaration(); | |
| 3676 assert(allocator); | |
| 3677 | |
| 3678 tf = (TypeFunction *)f->type; | |
| 3679 functionArguments(loc, sc, tf, newargs); | |
| 3680 | |
| 3681 e = new VarExp(loc, f); | |
| 3682 e = new CallExp(loc, e, newargs); | |
| 3683 e = e->semantic(sc); | |
| 3684 e->type = type->pointerTo(); | |
| 3685 return e; | |
| 3686 } | |
| 3687 | |
| 3688 type = type->pointerTo(); | |
| 3689 } | |
| 3690 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3691 { | |
| 3692 for (size_t i = 0; i < arguments->dim; i++) | |
| 3693 { | |
| 3694 if (tb->ty != Tarray) | |
| 3695 { error("too many arguments for array"); | |
| 3696 arguments->dim = i; | |
| 3697 break; | |
| 3698 } | |
| 3699 | |
| 3700 Expression *arg = (Expression *)arguments->data[i]; | |
| 3701 arg = resolveProperties(sc, arg); | |
| 3702 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3703 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3704 error("negative array index %s", arg->toChars()); | |
| 3705 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
|
3706 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3707 } |
| 3708 } | |
| 3709 else if (tb->isscalar()) | |
| 3710 { | |
| 3711 if (arguments && arguments->dim) | |
| 3712 error("no constructor for %s", type->toChars()); | |
| 3713 | |
| 3714 type = type->pointerTo(); | |
| 3715 } | |
| 3716 else | |
| 3717 { | |
| 3718 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3719 type = type->pointerTo(); | |
| 3720 } | |
| 3721 | |
| 3722 //printf("NewExp: '%s'\n", toChars()); | |
| 3723 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3724 | |
| 3725 return this; | |
| 3726 } | |
| 3727 | |
| 3728 int NewExp::checkSideEffect(int flag) | |
| 3729 { | |
| 3730 return 1; | |
| 3731 } | |
| 3732 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3733 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3734 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3735 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3736 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3737 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3738 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3739 |
| 159 | 3740 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3741 { int i; | |
| 3742 | |
| 3743 if (thisexp) | |
| 3744 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3745 buf->writeByte('.'); | |
| 3746 } | |
| 3747 buf->writestring("new "); | |
| 3748 if (newargs && newargs->dim) | |
| 3749 { | |
| 3750 buf->writeByte('('); | |
| 3751 argsToCBuffer(buf, newargs, hgs); | |
| 3752 buf->writeByte(')'); | |
| 3753 } | |
| 3754 newtype->toCBuffer(buf, NULL, hgs); | |
| 3755 if (arguments && arguments->dim) | |
| 3756 { | |
| 3757 buf->writeByte('('); | |
| 3758 argsToCBuffer(buf, arguments, hgs); | |
| 3759 buf->writeByte(')'); | |
| 3760 } | |
| 3761 } | |
| 3762 | |
| 3763 /********************** NewAnonClassExp **************************************/ | |
| 3764 | |
| 3765 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3766 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3767 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3768 { | |
| 3769 this->thisexp = thisexp; | |
| 3770 this->newargs = newargs; | |
| 3771 this->cd = cd; | |
| 3772 this->arguments = arguments; | |
| 3773 } | |
| 3774 | |
| 3775 Expression *NewAnonClassExp::syntaxCopy() | |
| 3776 { | |
| 3777 return new NewAnonClassExp(loc, | |
| 3778 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3779 arraySyntaxCopy(newargs), | |
| 3780 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3781 arraySyntaxCopy(arguments)); | |
| 3782 } | |
| 3783 | |
| 3784 | |
| 3785 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3786 { | |
| 3787 #if LOGSEMANTIC | |
| 3788 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3789 //printf("thisexp = %p\n", thisexp); |
| 159 | 3790 //printf("type: %s\n", type->toChars()); |
| 3791 #endif | |
| 3792 | |
| 3793 Expression *d = new DeclarationExp(loc, cd); | |
| 3794 d = d->semantic(sc); | |
| 3795 | |
| 3796 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3797 | |
| 3798 Expression *c = new CommaExp(loc, d, n); | |
| 3799 return c->semantic(sc); | |
| 3800 } | |
| 3801 | |
| 3802 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3803 { | |
| 3804 return 1; | |
| 3805 } | |
| 3806 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3807 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3808 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3809 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3810 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3811 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3812 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3813 |
| 159 | 3814 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3815 { int i; | |
| 3816 | |
| 3817 if (thisexp) | |
| 3818 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3819 buf->writeByte('.'); | |
| 3820 } | |
| 3821 buf->writestring("new"); | |
| 3822 if (newargs && newargs->dim) | |
| 3823 { | |
| 3824 buf->writeByte('('); | |
| 3825 argsToCBuffer(buf, newargs, hgs); | |
| 3826 buf->writeByte(')'); | |
| 3827 } | |
| 3828 buf->writestring(" class "); | |
| 3829 if (arguments && arguments->dim) | |
| 3830 { | |
| 3831 buf->writeByte('('); | |
| 3832 argsToCBuffer(buf, arguments, hgs); | |
| 3833 buf->writeByte(')'); | |
| 3834 } | |
| 3835 //buf->writestring(" { }"); | |
| 3836 if (cd) | |
| 3837 { | |
| 3838 cd->toCBuffer(buf, hgs); | |
| 3839 } | |
| 3840 } | |
| 3841 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3842 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3843 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3844 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3845 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3846 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3847 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3848 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3849 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3850 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3851 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3852 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3853 |
| 159 | 3854 /********************** SymOffExp **************************************/ |
| 3855 | |
| 3856 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3857 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3858 { | |
| 3859 assert(var); | |
| 3860 this->var = var; | |
| 3861 this->offset = offset; | |
| 3862 VarDeclaration *v = var->isVarDeclaration(); | |
| 3863 if (v && v->needThis()) | |
| 3864 error("need 'this' for address of %s", v->toChars()); | |
| 3865 } | |
| 3866 | |
| 3867 Expression *SymOffExp::semantic(Scope *sc) | |
| 3868 { | |
| 3869 #if LOGSEMANTIC | |
| 3870 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3871 #endif | |
| 3872 //var->semantic(sc); | |
| 3873 if (!type) | |
| 3874 type = var->type->pointerTo(); | |
| 3875 VarDeclaration *v = var->isVarDeclaration(); | |
| 3876 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3877 v->checkNestedReference(sc, loc); |
| 159 | 3878 return this; |
| 3879 } | |
| 3880 | |
| 3881 int SymOffExp::isBool(int result) | |
| 3882 { | |
| 3883 return result ? TRUE : FALSE; | |
| 3884 } | |
| 3885 | |
| 3886 void SymOffExp::checkEscape() | |
| 3887 { | |
| 3888 VarDeclaration *v = var->isVarDeclaration(); | |
| 3889 if (v) | |
| 3890 { | |
| 3891 if (!v->isDataseg()) | |
| 3892 error("escaping reference to local variable %s", v->toChars()); | |
| 3893 } | |
| 3894 } | |
| 3895 | |
| 3896 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3897 { | |
| 3898 if (offset) | |
| 3899 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3900 else | |
| 3901 buf->printf("& %s", var->toChars()); | |
| 3902 } | |
| 3903 | |
| 3904 /******************************** VarExp **************************/ | |
| 3905 | |
| 3906 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3907 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3908 { | |
| 3909 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3910 this->var = var; | |
| 3911 this->type = var->type; | |
| 3912 } | |
| 3913 | |
| 3914 int VarExp::equals(Object *o) | |
| 3915 { VarExp *ne; | |
| 3916 | |
| 3917 if (this == o || | |
| 3918 (((Expression *)o)->op == TOKvar && | |
| 3919 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3920 var == ne->var)) | |
| 3921 return 1; | |
| 3922 return 0; | |
| 3923 } | |
| 3924 | |
| 3925 Expression *VarExp::semantic(Scope *sc) | |
| 3926 { FuncLiteralDeclaration *fd; | |
| 3927 | |
| 3928 #if LOGSEMANTIC | |
| 3929 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3930 #endif | |
| 3931 if (!type) | |
| 3932 { type = var->type; | |
| 3933 #if 0 | |
| 3934 if (var->storage_class & STClazy) | |
| 3935 { | |
| 3936 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3937 type = new TypeDelegate(tf); | |
| 3938 type = type->semantic(loc, sc); | |
| 3939 } | |
| 3940 #endif | |
| 3941 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3942 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3943 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3944 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3945 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3946 //accessCheck(loc, sc, NULL, var); |
| 159 | 3947 |
| 3948 VarDeclaration *v = var->isVarDeclaration(); | |
| 3949 if (v) | |
| 3950 { | |
| 3951 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3952 { | |
| 3953 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3954 if (ei) | |
| 3955 { | |
| 3956 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3957 return ei->exp->implicitCastTo(sc, type); | |
| 3958 } | |
| 3959 } | |
| 3960 v->checkNestedReference(sc, loc); | |
|
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diff
changeset
|
3961 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3962 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3963 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3964 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3965 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
3966 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3967 #endif |
| 159 | 3968 } |
| 3969 #if 0 | |
| 3970 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3971 { Expression *e; | |
| 3972 e = new FuncExp(loc, fd); | |
| 3973 e->type = type; | |
| 3974 return e; | |
| 3975 } | |
| 3976 #endif | |
| 3977 return this; | |
| 3978 } | |
| 3979 | |
| 3980 char *VarExp::toChars() | |
| 3981 { | |
| 3982 return var->toChars(); | |
| 3983 } | |
| 3984 | |
| 3985 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3986 { | |
| 3987 buf->writestring(var->toChars()); | |
| 3988 } | |
| 3989 | |
| 3990 void VarExp::checkEscape() | |
| 3991 { | |
| 3992 VarDeclaration *v = var->isVarDeclaration(); | |
| 3993 if (v) | |
| 3994 { Type *tb = v->type->toBasetype(); | |
| 3995 // if reference type | |
| 3996 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 3997 { | |
| 3998 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 3999 error("escaping reference to auto local %s", v->toChars()); | |
| 4000 else if (v->storage_class & STCvariadic) | |
| 4001 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4002 } | |
| 4003 } | |
| 4004 } | |
| 4005 | |
|
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diff
changeset
|
4006 #if DMDV2 |
|
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diff
changeset
|
4007 int VarExp::isLvalue() |
|
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846
diff
changeset
|
4008 { |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
4009 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4010 return 0; |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
4011 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4012 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4013 #endif |
|
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parents:
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diff
changeset
|
4014 |
| 159 | 4015 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4016 { | |
| 4017 #if 0 | |
| 4018 tym = tybasic(e1->ET->Tty); | |
| 4019 if (!(tyscalar(tym) || | |
| 4020 tym == TYstruct || | |
| 4021 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4022 synerr(EM_lvalue); // lvalue expected | |
| 4023 #endif | |
| 4024 if (var->storage_class & STClazy) | |
| 4025 error("lazy variables cannot be lvalues"); | |
| 4026 return this; | |
| 4027 } | |
| 4028 | |
| 4029 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4030 { | |
| 4031 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4032 if (sc->incontract && var->isParameter()) | |
| 4033 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4034 | |
| 4035 if (type && type->toBasetype()->ty == Tsarray) | |
| 4036 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4037 | |
| 4038 VarDeclaration *v = var->isVarDeclaration(); | |
| 4039 if (v && v->canassign == 0 && | |
| 4040 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4041 error("cannot modify final variable '%s'", var->toChars()); | |
| 4042 | |
| 4043 if (var->isCtorinit()) | |
| 4044 { // It's only modifiable if inside the right constructor | |
| 4045 Dsymbol *s = sc->func; | |
| 4046 while (1) | |
| 4047 { | |
| 4048 FuncDeclaration *fd = NULL; | |
| 4049 if (s) | |
| 4050 fd = s->isFuncDeclaration(); | |
| 4051 if (fd && | |
| 4052 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4053 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4054 fd->toParent() == var->toParent() | |
| 4055 ) | |
| 4056 { | |
| 4057 VarDeclaration *v = var->isVarDeclaration(); | |
| 4058 assert(v); | |
| 4059 v->ctorinit = 1; | |
| 4060 //printf("setting ctorinit\n"); | |
| 4061 } | |
| 4062 else | |
| 4063 { | |
| 4064 if (s) | |
| 4065 { s = s->toParent2(); | |
| 4066 continue; | |
| 4067 } | |
| 4068 else | |
| 4069 { | |
| 4070 const char *p = var->isStatic() ? "static " : ""; | |
| 4071 error("can only initialize %sconst %s inside %sconstructor", | |
| 4072 p, var->toChars(), p); | |
| 4073 } | |
| 4074 } | |
| 4075 break; | |
| 4076 } | |
| 4077 } | |
| 4078 | |
| 4079 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4080 return toLvalue(sc, e); | |
| 4081 } | |
| 4082 | |
| 4083 | |
|
510
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|
4084 /******************************** OverExp **************************/ |
|
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diff
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|
4085 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4086 #if DMDV2 |
|
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diff
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|
4087 OverExp::OverExp(OverloadSet *s) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4088 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4089 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4090 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4091 vars = s; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4092 type = Type::tvoid; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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changeset
|
4093 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4094 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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changeset
|
4095 int OverExp::isLvalue() |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4096 { |
|
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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|
4097 return 1; |
|
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
|
4098 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4099 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4100 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4101 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4102 return this; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4103 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4104 #endif |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4105 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4106 |
| 159 | 4107 /******************************** TupleExp **************************/ |
| 4108 | |
| 4109 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4110 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4111 { | |
| 4112 //printf("TupleExp(this = %p)\n", this); | |
| 4113 this->exps = exps; | |
| 4114 this->type = NULL; | |
| 4115 } | |
| 4116 | |
| 4117 | |
| 4118 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4119 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4120 { | |
| 4121 exps = new Expressions(); | |
| 4122 type = NULL; | |
| 4123 | |
| 4124 exps->reserve(tup->objects->dim); | |
| 4125 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4126 { Object *o = (Object *)tup->objects->data[i]; | |
| 4127 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4128 { | |
| 4129 Expression *e = (Expression *)o; | |
| 4130 e = e->syntaxCopy(); | |
| 4131 exps->push(e); | |
| 4132 } | |
| 4133 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4134 { | |
| 4135 Dsymbol *s = (Dsymbol *)o; | |
| 4136 Expression *e = new DsymbolExp(loc, s); | |
| 4137 exps->push(e); | |
| 4138 } | |
| 4139 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4140 { | |
| 4141 Type *t = (Type *)o; | |
| 4142 Expression *e = new TypeExp(loc, t); | |
| 4143 exps->push(e); | |
| 4144 } | |
| 4145 else | |
| 4146 { | |
| 4147 error("%s is not an expression", o->toChars()); | |
| 4148 } | |
| 4149 } | |
| 4150 } | |
| 4151 | |
| 4152 int TupleExp::equals(Object *o) | |
| 4153 { TupleExp *ne; | |
| 4154 | |
| 4155 if (this == o) | |
| 4156 return 1; | |
| 4157 if (((Expression *)o)->op == TOKtuple) | |
| 4158 { | |
| 4159 TupleExp *te = (TupleExp *)o; | |
| 4160 if (exps->dim != te->exps->dim) | |
| 4161 return 0; | |
| 4162 for (size_t i = 0; i < exps->dim; i++) | |
| 4163 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4164 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4165 | |
| 4166 if (!e1->equals(e2)) | |
| 4167 return 0; | |
| 4168 } | |
| 4169 return 1; | |
| 4170 } | |
| 4171 return 0; | |
| 4172 } | |
| 4173 | |
| 4174 Expression *TupleExp::syntaxCopy() | |
| 4175 { | |
| 4176 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4177 } | |
| 4178 | |
| 4179 Expression *TupleExp::semantic(Scope *sc) | |
| 4180 { | |
| 4181 #if LOGSEMANTIC | |
| 4182 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4183 #endif | |
| 4184 if (type) | |
| 4185 return this; | |
| 4186 | |
| 4187 // Run semantic() on each argument | |
| 4188 for (size_t i = 0; i < exps->dim; i++) | |
| 4189 { Expression *e = (Expression *)exps->data[i]; | |
| 4190 | |
| 4191 e = e->semantic(sc); | |
| 4192 if (!e->type) | |
| 4193 { error("%s has no value", e->toChars()); | |
| 4194 e->type = Type::terror; | |
| 4195 } | |
| 4196 exps->data[i] = (void *)e; | |
| 4197 } | |
| 4198 | |
| 4199 expandTuples(exps); | |
| 4200 if (0 && exps->dim == 1) | |
| 4201 { | |
| 4202 return (Expression *)exps->data[0]; | |
| 4203 } | |
| 4204 type = new TypeTuple(exps); | |
| 4205 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4206 return this; | |
| 4207 } | |
| 4208 | |
| 4209 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4210 { | |
| 4211 buf->writestring("tuple("); | |
| 4212 argsToCBuffer(buf, exps, hgs); | |
| 4213 buf->writeByte(')'); | |
| 4214 } | |
| 4215 | |
| 4216 int TupleExp::checkSideEffect(int flag) | |
| 4217 { int f = 0; | |
| 4218 | |
| 4219 for (int i = 0; i < exps->dim; i++) | |
| 4220 { Expression *e = (Expression *)exps->data[i]; | |
| 4221 | |
| 4222 f |= e->checkSideEffect(2); | |
| 4223 } | |
| 4224 if (flag == 0 && f == 0) | |
| 4225 Expression::checkSideEffect(0); | |
| 4226 return f; | |
| 4227 } | |
| 4228 | |
|
875
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parents:
846
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|
4229 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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|
4230 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4231 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4232 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4233 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4234 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4235 |
| 159 | 4236 void TupleExp::checkEscape() |
| 4237 { | |
| 4238 for (size_t i = 0; i < exps->dim; i++) | |
| 4239 { Expression *e = (Expression *)exps->data[i]; | |
| 4240 e->checkEscape(); | |
| 4241 } | |
| 4242 } | |
| 4243 | |
| 4244 /******************************** FuncExp *********************************/ | |
| 4245 | |
| 4246 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4247 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4248 { | |
| 4249 this->fd = fd; | |
| 4250 } | |
| 4251 | |
| 4252 Expression *FuncExp::syntaxCopy() | |
| 4253 { | |
| 4254 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4255 } | |
| 4256 | |
| 4257 Expression *FuncExp::semantic(Scope *sc) | |
| 4258 { | |
| 4259 #if LOGSEMANTIC | |
| 4260 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4261 #endif | |
| 4262 if (!type) | |
| 4263 { | |
| 4264 fd->semantic(sc); | |
| 4265 fd->parent = sc->parent; | |
| 4266 if (global.errors) | |
| 4267 { | |
| 4268 if (!fd->type->next) | |
| 4269 fd->type->next = Type::terror; | |
| 4270 } | |
| 4271 else | |
| 4272 { | |
| 4273 fd->semantic2(sc); | |
| 4274 if (!global.errors) | |
| 4275 { | |
| 4276 fd->semantic3(sc); | |
| 4277 | |
| 4278 if (!global.errors && global.params.useInline) | |
| 4279 fd->inlineScan(); | |
| 4280 } | |
| 4281 } | |
| 4282 | |
| 4283 // Type is a "delegate to" or "pointer to" the function literal | |
| 4284 if (fd->isNested()) | |
| 4285 { | |
| 4286 type = new TypeDelegate(fd->type); | |
| 4287 type = type->semantic(loc, sc); | |
| 4288 } | |
| 4289 else | |
| 4290 { | |
| 4291 type = fd->type->pointerTo(); | |
| 4292 } | |
| 4293 } | |
| 4294 return this; | |
| 4295 } | |
| 4296 | |
| 4297 char *FuncExp::toChars() | |
| 4298 { | |
| 4299 return fd->toChars(); | |
| 4300 } | |
| 4301 | |
| 4302 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4303 { | |
| 4304 buf->writestring(fd->toChars()); | |
| 4305 } | |
| 4306 | |
| 4307 | |
| 4308 /******************************** DeclarationExp **************************/ | |
| 4309 | |
| 4310 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4311 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4312 { | |
| 4313 this->declaration = declaration; | |
| 4314 } | |
| 4315 | |
| 4316 Expression *DeclarationExp::syntaxCopy() | |
| 4317 { | |
| 4318 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4319 } | |
| 4320 | |
| 4321 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4322 { | |
| 4323 if (type) | |
| 4324 return this; | |
| 4325 | |
| 4326 #if LOGSEMANTIC | |
| 4327 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4328 #endif | |
| 4329 | |
| 4330 /* This is here to support extern(linkage) declaration, | |
| 4331 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4332 * wrapper. | |
| 4333 */ | |
| 4334 Dsymbol *s = declaration; | |
| 4335 | |
| 4336 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4337 if (ad) | |
| 4338 { | |
| 4339 if (ad->decl && ad->decl->dim == 1) | |
| 4340 s = (Dsymbol *)ad->decl->data[0]; | |
| 4341 } | |
| 4342 | |
| 4343 if (s->isVarDeclaration()) | |
| 4344 { // Do semantic() on initializer first, so: | |
| 4345 // int a = a; | |
| 4346 // will be illegal. | |
| 4347 declaration->semantic(sc); | |
| 4348 s->parent = sc->parent; | |
| 4349 } | |
| 4350 | |
| 4351 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4352 // Insert into both local scope and function scope. | |
| 4353 // Must be unique in both. | |
| 4354 if (s->ident) | |
| 4355 { | |
| 4356 if (!sc->insert(s)) | |
| 4357 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4358 else if (sc->func) | |
| 4359 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4360 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4361 !sc->func->localsymtab->insert(s)) | |
| 4362 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4363 else if (!global.params.useDeprecated) | |
| 4364 { // Disallow shadowing | |
| 4365 | |
| 4366 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4367 { Dsymbol *s2; | |
| 4368 | |
| 4369 if (scx->scopesym && scx->scopesym->symtab && | |
| 4370 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4371 s != s2) | |
| 4372 { | |
| 4373 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4374 } | |
| 4375 } | |
| 4376 } | |
| 4377 } | |
| 4378 } | |
| 4379 if (!s->isVarDeclaration()) | |
| 4380 { | |
| 4381 declaration->semantic(sc); | |
| 4382 s->parent = sc->parent; | |
| 4383 } | |
| 4384 if (!global.errors) | |
| 4385 { | |
| 4386 declaration->semantic2(sc); | |
| 4387 if (!global.errors) | |
| 4388 { | |
| 4389 declaration->semantic3(sc); | |
| 4390 | |
| 4391 if (!global.errors && global.params.useInline) | |
| 4392 declaration->inlineScan(); | |
| 4393 } | |
| 4394 } | |
| 4395 | |
| 4396 type = Type::tvoid; | |
| 4397 return this; | |
| 4398 } | |
| 4399 | |
| 4400 int DeclarationExp::checkSideEffect(int flag) | |
| 4401 { | |
| 4402 return 1; | |
| 4403 } | |
| 4404 | |
|
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diff
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|
4405 #if DMDV2 |
|
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|
4406 int DeclarationExp::canThrow() |
|
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Merged DMD 1.038
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diff
changeset
|
4407 { |
|
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diff
changeset
|
4408 VarDeclaration *v = declaration->isVarDeclaration(); |
|
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Merged DMD 1.038
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diff
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|
4409 if (v && v->init) |
|
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diff
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|
4410 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
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diff
changeset
|
4411 return ie && ie->exp->canThrow(); |
|
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Merged DMD 1.038
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846
diff
changeset
|
4412 } |
|
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diff
changeset
|
4413 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4414 } |
|
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Merged DMD 1.038
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diff
changeset
|
4415 #endif |
|
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Merged DMD 1.038
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diff
changeset
|
4416 |
| 159 | 4417 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4418 { | |
| 4419 declaration->toCBuffer(buf, hgs); | |
| 4420 } | |
| 4421 | |
| 4422 | |
| 4423 /************************ TypeidExp ************************************/ | |
| 4424 | |
| 4425 /* | |
| 4426 * typeid(int) | |
| 4427 */ | |
| 4428 | |
| 4429 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4430 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4431 { | |
| 4432 this->typeidType = typeidType; | |
| 4433 } | |
| 4434 | |
| 4435 | |
| 4436 Expression *TypeidExp::syntaxCopy() | |
| 4437 { | |
| 4438 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4439 } | |
| 4440 | |
| 4441 | |
| 4442 Expression *TypeidExp::semantic(Scope *sc) | |
| 4443 { Expression *e; | |
| 4444 | |
| 4445 #if LOGSEMANTIC | |
| 4446 printf("TypeidExp::semantic()\n"); | |
| 4447 #endif | |
| 4448 typeidType = typeidType->semantic(loc, sc); | |
| 4449 e = typeidType->getTypeInfo(sc); | |
| 336 | 4450 if (e->loc.linnum == 0) |
| 4451 e->loc = loc; // so there's at least some line number info | |
| 159 | 4452 return e; |
| 4453 } | |
| 4454 | |
| 4455 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4456 { | |
| 4457 buf->writestring("typeid("); | |
| 4458 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4459 buf->writeByte(')'); | |
| 4460 } | |
| 4461 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4462 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4463 #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
|
4464 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4465 * __traits(identifier, args...) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
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 TraitsExp::TraitsExp(Loc loc, Identifier *ident, Objects *args) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4469 : Expression(loc, TOKtraits, sizeof(TraitsExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
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 this->ident = ident; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4472 this->args = args; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4473 } |
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4476 Expression *TraitsExp::syntaxCopy() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4477 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 return new TraitsExp(loc, ident, TemplateInstance::arraySyntaxCopy(args)); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4480 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4482 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
|
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 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
|
4485 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
|
4486 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
|
4487 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4488 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
|
4489 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4490 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
|
4491 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
|
4492 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
|
4493 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4494 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4495 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
|
4496 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4497 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4498 |
| 159 | 4499 /************************************************************/ |
| 4500 | |
| 4501 HaltExp::HaltExp(Loc loc) | |
| 4502 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4503 { | |
| 4504 } | |
| 4505 | |
| 4506 Expression *HaltExp::semantic(Scope *sc) | |
| 4507 { | |
| 4508 #if LOGSEMANTIC | |
| 4509 printf("HaltExp::semantic()\n"); | |
| 4510 #endif | |
| 4511 type = Type::tvoid; | |
| 4512 return this; | |
| 4513 } | |
| 4514 | |
| 4515 int HaltExp::checkSideEffect(int flag) | |
| 4516 { | |
| 4517 return 1; | |
| 4518 } | |
| 4519 | |
| 4520 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4521 { | |
| 4522 buf->writestring("halt"); | |
| 4523 } | |
| 4524 | |
| 4525 /************************************************************/ | |
| 4526 | |
| 4527 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4528 Type *tspec, enum TOK tok2) | |
| 4529 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4530 { | |
| 4531 this->targ = targ; | |
| 4532 this->id = id; | |
| 4533 this->tok = tok; | |
| 4534 this->tspec = tspec; | |
| 4535 this->tok2 = tok2; | |
| 4536 } | |
| 4537 | |
| 4538 Expression *IsExp::syntaxCopy() | |
| 4539 { | |
| 4540 return new IsExp(loc, | |
| 4541 targ->syntaxCopy(), | |
| 4542 id, | |
| 4543 tok, | |
| 4544 tspec ? tspec->syntaxCopy() : NULL, | |
| 4545 tok2); | |
| 4546 } | |
| 4547 | |
| 4548 Expression *IsExp::semantic(Scope *sc) | |
| 4549 { Type *tded; | |
| 4550 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4551 /* 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
|
4552 * 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
|
4553 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4554 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4555 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4556 if (id && !(sc->flags & SCOPEstaticif)) |
| 4557 error("can only declare type aliases within static if conditionals"); | |
| 4558 | |
| 4559 unsigned errors_save = global.errors; | |
| 4560 global.errors = 0; | |
| 4561 global.gag++; // suppress printing of error messages | |
| 4562 targ = targ->semantic(loc, sc); | |
| 4563 global.gag--; | |
| 4564 unsigned gerrors = global.errors; | |
| 4565 global.errors = errors_save; | |
| 4566 | |
| 4567 if (gerrors) // if any errors happened | |
| 4568 { // then condition is false | |
| 4569 goto Lno; | |
| 4570 } | |
| 4571 else if (tok2 != TOKreserved) | |
| 4572 { | |
| 4573 switch (tok2) | |
| 4574 { | |
| 4575 case TOKtypedef: | |
| 4576 if (targ->ty != Ttypedef) | |
| 4577 goto Lno; | |
| 4578 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4579 break; | |
| 4580 | |
| 4581 case TOKstruct: | |
| 4582 if (targ->ty != Tstruct) | |
| 4583 goto Lno; | |
| 4584 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4585 goto Lno; | |
| 4586 tded = targ; | |
| 4587 break; | |
| 4588 | |
| 4589 case TOKunion: | |
| 4590 if (targ->ty != Tstruct) | |
| 4591 goto Lno; | |
| 4592 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4593 goto Lno; | |
| 4594 tded = targ; | |
| 4595 break; | |
| 4596 | |
| 4597 case TOKclass: | |
| 4598 if (targ->ty != Tclass) | |
| 4599 goto Lno; | |
| 4600 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4601 goto Lno; | |
| 4602 tded = targ; | |
| 4603 break; | |
| 4604 | |
| 4605 case TOKinterface: | |
| 4606 if (targ->ty != Tclass) | |
| 4607 goto Lno; | |
| 4608 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4609 goto Lno; | |
| 4610 tded = targ; | |
| 4611 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
|
4612 #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
|
4613 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
|
4614 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
|
4615 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
|
4616 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
|
4617 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4618 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4619 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4620 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
|
4621 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
|
4622 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
|
4623 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
|
4624 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4625 #endif |
| 159 | 4626 |
| 4627 case TOKsuper: | |
| 4628 // If class or interface, get the base class and interfaces | |
| 4629 if (targ->ty != Tclass) | |
| 4630 goto Lno; | |
| 4631 else | |
| 4632 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4633 Arguments *args = new Arguments; | |
| 4634 args->reserve(cd->baseclasses.dim); | |
| 4635 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4636 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4637 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4638 } | |
| 4639 tded = new TypeTuple(args); | |
| 4640 } | |
| 4641 break; | |
| 4642 | |
| 4643 case TOKenum: | |
| 4644 if (targ->ty != Tenum) | |
| 4645 goto Lno; | |
| 4646 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4647 break; | |
| 4648 | |
| 4649 case TOKdelegate: | |
| 4650 if (targ->ty != Tdelegate) | |
| 4651 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
|
4652 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4653 break; |
| 4654 | |
| 4655 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
|
4656 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4657 if (targ->ty != Tfunction) |
| 159 | 4658 goto Lno; |
| 4659 tded = targ; | |
| 4660 | |
| 4661 /* Generate tuple from function parameter types. | |
| 4662 */ | |
| 4663 assert(tded->ty == Tfunction); | |
| 4664 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4665 size_t dim = Argument::dim(params); | |
| 4666 Arguments *args = new Arguments; | |
| 4667 args->reserve(dim); | |
| 4668 for (size_t i = 0; i < dim; i++) | |
| 4669 { Argument *arg = Argument::getNth(params, i); | |
| 4670 assert(arg && arg->type); | |
| 4671 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4672 } | |
| 4673 tded = new TypeTuple(args); | |
| 4674 break; | |
| 4675 } | |
| 4676 case TOKreturn: | |
| 4677 /* Get the 'return type' for the function, | |
| 4678 * delegate, or pointer to function. | |
| 4679 */ | |
| 4680 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
|
4681 tded = ((TypeFunction *)targ)->next; |
| 159 | 4682 else if (targ->ty == Tdelegate) |
| 4683 tded = targ->next->next; | |
| 4684 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4685 tded = targ->next->next; | |
| 4686 else | |
| 4687 goto Lno; | |
| 4688 break; | |
| 4689 | |
| 4690 default: | |
| 4691 assert(0); | |
| 4692 } | |
| 4693 goto Lyes; | |
| 4694 } | |
| 4695 else if (id && tspec) | |
| 4696 { | |
| 4697 /* Evaluate to TRUE if targ matches tspec. | |
| 4698 * If TRUE, declare id as an alias for the specialized type. | |
| 4699 */ | |
| 4700 | |
| 4701 MATCH m; | |
| 4702 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4703 | |
| 4704 TemplateParameters parameters; | |
| 4705 parameters.setDim(1); | |
| 4706 parameters.data[0] = (void *)&tp; | |
| 4707 | |
| 4708 Objects dedtypes; | |
| 4709 dedtypes.setDim(1); | |
| 4710 dedtypes.data[0] = NULL; | |
| 4711 | |
| 4712 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4713 if (m == MATCHnomatch || | |
| 4714 (m != MATCHexact && tok == TOKequal)) | |
| 4715 goto Lno; | |
| 4716 else | |
| 4717 { | |
| 4718 assert(dedtypes.dim == 1); | |
| 4719 tded = (Type *)dedtypes.data[0]; | |
| 4720 if (!tded) | |
| 4721 tded = targ; | |
| 4722 goto Lyes; | |
| 4723 } | |
| 4724 } | |
| 4725 else if (id) | |
| 4726 { | |
| 4727 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4728 */ | |
| 4729 tded = targ; | |
| 4730 goto Lyes; | |
| 4731 } | |
| 4732 else if (tspec) | |
| 4733 { | |
| 4734 /* Evaluate to TRUE if targ matches tspec | |
| 4735 */ | |
| 4736 tspec = tspec->semantic(loc, sc); | |
| 4737 //printf("targ = %s\n", targ->toChars()); | |
| 4738 //printf("tspec = %s\n", tspec->toChars()); | |
| 4739 if (tok == TOKcolon) | |
| 4740 { if (targ->implicitConvTo(tspec)) | |
| 4741 goto Lyes; | |
| 4742 else | |
| 4743 goto Lno; | |
| 4744 } | |
| 4745 else /* == */ | |
| 4746 { if (targ->equals(tspec)) | |
| 4747 goto Lyes; | |
| 4748 else | |
| 4749 goto Lno; | |
| 4750 } | |
| 4751 } | |
| 4752 | |
| 4753 Lyes: | |
| 4754 if (id) | |
| 4755 { | |
| 4756 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4757 s->semantic(sc); | |
| 4758 sc->insert(s); | |
| 4759 if (sc->sd) | |
| 4760 s->addMember(sc, sc->sd, 1); | |
| 4761 } | |
| 4762 return new IntegerExp(1); | |
| 4763 | |
| 4764 Lno: | |
| 4765 return new IntegerExp(0); | |
| 4766 } | |
| 4767 | |
| 4768 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4769 { | |
| 4770 buf->writestring("is("); | |
| 4771 targ->toCBuffer(buf, id, hgs); | |
| 4772 if (tok2 != TOKreserved) | |
| 4773 { | |
| 4774 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4775 } | |
| 4776 else if (tspec) | |
| 4777 { | |
| 4778 if (tok == TOKcolon) | |
| 4779 buf->writestring(" : "); | |
| 4780 else | |
| 4781 buf->writestring(" == "); | |
| 4782 tspec->toCBuffer(buf, NULL, hgs); | |
| 4783 } | |
| 336 | 4784 #if DMDV2 |
| 159 | 4785 if (parameters) |
| 4786 { // First parameter is already output, so start with second | |
| 4787 for (int i = 1; i < parameters->dim; i++) | |
| 4788 { | |
| 4789 buf->writeByte(','); | |
| 4790 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4791 tp->toCBuffer(buf, hgs); | |
| 4792 } | |
| 4793 } | |
| 4794 #endif | |
| 4795 buf->writeByte(')'); | |
| 4796 } | |
| 4797 | |
| 4798 | |
| 4799 /************************************************************/ | |
| 4800 | |
| 4801 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4802 : Expression(loc, op, size) | |
| 4803 { | |
| 4804 this->e1 = e1; | |
| 4805 } | |
| 4806 | |
| 4807 Expression *UnaExp::syntaxCopy() | |
| 4808 { UnaExp *e; | |
| 4809 | |
| 4810 e = (UnaExp *)copy(); | |
| 4811 e->type = NULL; | |
| 4812 e->e1 = e->e1->syntaxCopy(); | |
| 4813 return e; | |
| 4814 } | |
| 4815 | |
| 4816 Expression *UnaExp::semantic(Scope *sc) | |
| 4817 { | |
| 4818 #if LOGSEMANTIC | |
| 4819 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4820 #endif | |
| 4821 e1 = e1->semantic(sc); | |
| 4822 // if (!e1->type) | |
| 4823 // error("%s has no value", e1->toChars()); | |
| 4824 return this; | |
| 4825 } | |
| 4826 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4827 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4828 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4829 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4830 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4831 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4832 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4833 |
| 159 | 4834 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4835 { | |
| 4836 buf->writestring(Token::toChars(op)); | |
| 4837 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4838 } | |
| 4839 | |
| 4840 /************************************************************/ | |
| 4841 | |
| 4842 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4843 : Expression(loc, op, size) | |
| 4844 { | |
| 4845 this->e1 = e1; | |
| 4846 this->e2 = e2; | |
| 4847 } | |
| 4848 | |
| 4849 Expression *BinExp::syntaxCopy() | |
| 4850 { BinExp *e; | |
| 4851 | |
| 4852 e = (BinExp *)copy(); | |
| 4853 e->type = NULL; | |
| 4854 e->e1 = e->e1->syntaxCopy(); | |
| 4855 e->e2 = e->e2->syntaxCopy(); | |
| 4856 return e; | |
| 4857 } | |
| 4858 | |
| 4859 Expression *BinExp::semantic(Scope *sc) | |
| 4860 { | |
| 4861 #if LOGSEMANTIC | |
| 4862 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4863 #endif | |
| 4864 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4865 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4866 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4867 { |
| 4868 error("%s has no value", e1->toChars()); | |
| 4869 e1->type = Type::terror; | |
| 4870 } | |
| 4871 e2 = e2->semantic(sc); | |
| 4872 if (!e2->type) | |
| 4873 { | |
| 4874 error("%s has no value", e2->toChars()); | |
| 4875 e2->type = Type::terror; | |
| 4876 } | |
| 4877 return this; | |
| 4878 } | |
| 4879 | |
| 4880 Expression *BinExp::semanticp(Scope *sc) | |
| 4881 { | |
| 4882 BinExp::semantic(sc); | |
| 4883 e1 = resolveProperties(sc, e1); | |
| 4884 e2 = resolveProperties(sc, e2); | |
| 4885 return this; | |
| 4886 } | |
| 4887 | |
| 4888 /*************************** | |
| 4889 * Common semantic routine for some xxxAssignExp's. | |
| 4890 */ | |
| 4891 | |
| 4892 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4893 { Expression *e; | |
| 4894 | |
| 4895 if (!type) | |
| 4896 { | |
| 4897 BinExp::semantic(sc); | |
| 4898 e2 = resolveProperties(sc, e2); | |
| 4899 | |
| 4900 e = op_overload(sc); | |
| 4901 if (e) | |
| 4902 return e; | |
| 4903 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4904 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
|
4905 { // 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
|
4906 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
|
4907 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
|
4908 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
|
4909 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4910 |
| 159 | 4911 e1 = e1->modifiableLvalue(sc, e1); |
| 4912 e1->checkScalar(); | |
| 4913 type = e1->type; | |
| 4914 if (type->toBasetype()->ty == Tbool) | |
| 4915 { | |
| 4916 error("operator not allowed on bool expression %s", toChars()); | |
| 4917 } | |
| 4918 typeCombine(sc); | |
| 4919 e1->checkArithmetic(); | |
| 4920 e2->checkArithmetic(); | |
| 4921 | |
| 4922 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4923 { error("cannot perform modulo complex arithmetic"); | |
| 4924 return new IntegerExp(0); | |
| 4925 } | |
| 4926 } | |
| 4927 return this; | |
| 4928 } | |
| 4929 | |
| 4930 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4931 { Expression *e; | |
| 4932 | |
| 4933 if (!type) | |
| 4934 { | |
| 4935 BinExp::semantic(sc); | |
| 4936 e2 = resolveProperties(sc, e2); | |
| 4937 | |
| 4938 e = op_overload(sc); | |
| 4939 if (e) | |
| 4940 return e; | |
| 4941 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4942 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
|
4943 { // 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
|
4944 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
|
4945 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
|
4946 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
|
4947 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4948 |
| 159 | 4949 e1 = e1->modifiableLvalue(sc, e1); |
| 4950 e1->checkScalar(); | |
| 4951 type = e1->type; | |
| 4952 if (type->toBasetype()->ty == Tbool) | |
| 4953 { | |
| 4954 e2 = e2->implicitCastTo(sc, type); | |
| 4955 } | |
| 4956 | |
| 4957 typeCombine(sc); | |
| 4958 e1->checkIntegral(); | |
| 4959 e2->checkIntegral(); | |
| 4960 } | |
| 4961 return this; | |
| 4962 } | |
| 4963 | |
| 4964 int BinExp::checkSideEffect(int flag) | |
| 4965 { | |
| 4966 if (op == TOKplusplus || | |
| 4967 op == TOKminusminus || | |
| 4968 op == TOKassign || | |
| 4969 op == TOKconstruct || | |
| 4970 op == TOKblit || | |
| 4971 op == TOKaddass || | |
| 4972 op == TOKminass || | |
| 4973 op == TOKcatass || | |
| 4974 op == TOKmulass || | |
| 4975 op == TOKdivass || | |
| 4976 op == TOKmodass || | |
| 4977 op == TOKshlass || | |
| 4978 op == TOKshrass || | |
| 4979 op == TOKushrass || | |
| 4980 op == TOKandass || | |
| 4981 op == TOKorass || | |
| 4982 op == TOKxorass || | |
| 4983 op == TOKin || | |
| 4984 op == TOKremove) | |
| 4985 return 1; | |
| 4986 return Expression::checkSideEffect(flag); | |
| 4987 } | |
| 4988 | |
| 4989 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4990 { | |
| 4991 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4992 buf->writeByte(' '); | |
| 4993 buf->writestring(Token::toChars(op)); | |
| 4994 buf->writeByte(' '); | |
| 4995 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 4996 } | |
| 4997 | |
| 4998 int BinExp::isunsigned() | |
| 4999 { | |
| 5000 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5001 } | |
| 5002 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5003 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5004 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5005 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5006 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5007 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5008 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5009 |
| 159 | 5010 void BinExp::incompatibleTypes() |
| 5011 { | |
| 5012 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5013 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5014 e1->type->toChars(), e2->type->toChars()); | |
| 5015 } | |
| 5016 | |
| 5017 /************************************************************/ | |
| 5018 | |
| 5019 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5020 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5021 { | |
| 5022 } | |
| 5023 | |
| 5024 Expression *CompileExp::semantic(Scope *sc) | |
| 5025 { | |
| 5026 #if LOGSEMANTIC | |
| 5027 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5028 #endif | |
| 5029 UnaExp::semantic(sc); | |
| 5030 e1 = resolveProperties(sc, e1); | |
| 5031 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5032 if (e1->op != TOKstring) | |
| 5033 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5034 type = Type::terror; | |
| 5035 return this; | |
| 5036 } | |
| 5037 StringExp *se = (StringExp *)e1; | |
| 5038 se = se->toUTF8(sc); | |
| 5039 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5040 p.loc = loc; | |
| 5041 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5042 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5043 Expression *e = p.parseExpression(); |
| 5044 if (p.token.value != TOKeof) | |
| 5045 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5046 return e->semantic(sc); | |
| 5047 } | |
| 5048 | |
| 5049 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5050 { | |
| 5051 buf->writestring("mixin("); | |
| 5052 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5053 buf->writeByte(')'); | |
| 5054 } | |
| 5055 | |
| 5056 /************************************************************/ | |
| 5057 | |
| 5058 FileExp::FileExp(Loc loc, Expression *e) | |
| 5059 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5060 { | |
| 5061 } | |
| 5062 | |
| 5063 Expression *FileExp::semantic(Scope *sc) | |
| 5064 { char *name; | |
| 5065 StringExp *se; | |
| 5066 | |
| 5067 #if LOGSEMANTIC | |
| 5068 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5069 #endif | |
| 5070 UnaExp::semantic(sc); | |
| 5071 e1 = resolveProperties(sc, e1); | |
| 5072 e1 = e1->optimize(WANTvalue); | |
| 5073 if (e1->op != TOKstring) | |
| 5074 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5075 goto Lerror; | |
| 5076 } | |
| 5077 se = (StringExp *)e1; | |
| 5078 se = se->toUTF8(sc); | |
| 5079 name = (char *)se->string; | |
| 5080 | |
| 5081 if (!global.params.fileImppath) | |
| 5082 { error("need -Jpath switch to import text file %s", name); | |
| 5083 goto Lerror; | |
| 5084 } | |
| 5085 | |
| 5086 if (name != FileName::name(name)) | |
| 5087 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5088 goto Lerror; | |
| 5089 } | |
| 5090 | |
| 5091 name = FileName::searchPath(global.filePath, name, 0); | |
| 5092 if (!name) | |
| 5093 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5094 goto Lerror; | |
| 5095 } | |
| 5096 | |
| 5097 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5098 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5099 |
| 5100 { File f(name); | |
| 5101 if (f.read()) | |
| 5102 { error("cannot read file %s", f.toChars()); | |
| 5103 goto Lerror; | |
| 5104 } | |
| 5105 else | |
| 5106 { | |
| 5107 f.ref = 1; | |
| 5108 se = new StringExp(loc, f.buffer, f.len); | |
| 5109 } | |
| 5110 } | |
| 5111 Lret: | |
| 5112 return se->semantic(sc); | |
| 5113 | |
| 5114 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5115 se = new StringExp(loc, (char *)""); |
| 159 | 5116 goto Lret; |
| 5117 } | |
| 5118 | |
| 5119 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5120 { | |
| 5121 buf->writestring("import("); | |
| 5122 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5123 buf->writeByte(')'); | |
| 5124 } | |
| 5125 | |
| 5126 /************************************************************/ | |
| 5127 | |
| 5128 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5129 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5130 { | |
| 5131 this->msg = msg; | |
| 5132 } | |
| 5133 | |
| 5134 Expression *AssertExp::syntaxCopy() | |
| 5135 { | |
| 5136 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5137 msg ? msg->syntaxCopy() : NULL); | |
| 5138 return ae; | |
| 5139 } | |
| 5140 | |
| 5141 Expression *AssertExp::semantic(Scope *sc) | |
| 5142 { | |
| 5143 #if LOGSEMANTIC | |
| 5144 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5145 #endif | |
| 5146 UnaExp::semantic(sc); | |
| 5147 e1 = resolveProperties(sc, e1); | |
| 5148 // BUG: see if we can do compile time elimination of the Assert | |
| 5149 e1 = e1->optimize(WANTvalue); | |
| 5150 e1 = e1->checkToBoolean(); | |
| 5151 if (msg) | |
| 5152 { | |
| 5153 msg = msg->semantic(sc); | |
| 5154 msg = resolveProperties(sc, msg); | |
| 5155 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5156 msg = msg->optimize(WANTvalue); | |
| 5157 } | |
| 5158 if (e1->isBool(FALSE)) | |
| 5159 { | |
| 5160 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5161 fd->hasReturnExp |= 4; | |
| 5162 | |
| 5163 if (!global.params.useAssert) | |
| 5164 { Expression *e = new HaltExp(loc); | |
| 5165 e = e->semantic(sc); | |
| 5166 return e; | |
| 5167 } | |
| 5168 } | |
| 5169 type = Type::tvoid; | |
| 5170 return this; | |
| 5171 } | |
| 5172 | |
| 5173 int AssertExp::checkSideEffect(int flag) | |
| 5174 { | |
| 5175 return 1; | |
| 5176 } | |
| 5177 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5178 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5179 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5180 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5181 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5182 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5183 #endif |
|
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|
5184 |
| 159 | 5185 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5186 { | |
| 5187 buf->writestring("assert("); | |
| 5188 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5189 if (msg) | |
| 5190 { | |
| 5191 buf->writeByte(','); | |
| 5192 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5193 } | |
| 5194 buf->writeByte(')'); | |
| 5195 } | |
| 5196 | |
| 5197 /************************************************************/ | |
| 5198 | |
| 5199 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5200 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5201 { | |
| 5202 this->ident = ident; | |
| 5203 } | |
| 5204 | |
| 5205 Expression *DotIdExp::semantic(Scope *sc) | |
| 5206 { Expression *e; | |
| 5207 Expression *eleft; | |
| 5208 Expression *eright; | |
| 5209 | |
| 5210 #if LOGSEMANTIC | |
| 5211 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5212 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5213 #endif | |
| 5214 | |
| 5215 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5216 | |
| 5217 #if 0 | |
| 5218 /* Don't do semantic analysis if we'll be converting | |
| 5219 * it to a string. | |
| 5220 */ | |
| 5221 if (ident == Id::stringof) | |
| 5222 { char *s = e1->toChars(); | |
| 5223 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5224 e = e->semantic(sc); | |
| 5225 return e; | |
| 5226 } | |
| 5227 #endif | |
| 5228 | |
| 5229 /* Special case: rewrite this.id and super.id | |
| 5230 * to be classtype.id and baseclasstype.id | |
| 5231 * if we have no this pointer. | |
| 5232 */ | |
| 5233 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5234 { ClassDeclaration *cd; | |
| 5235 StructDeclaration *sd; | |
| 5236 AggregateDeclaration *ad; | |
| 5237 | |
| 5238 ad = sc->getStructClassScope(); | |
| 5239 if (ad) | |
| 5240 { | |
| 5241 cd = ad->isClassDeclaration(); | |
| 5242 if (cd) | |
| 5243 { | |
| 5244 if (e1->op == TOKthis) | |
| 5245 { | |
| 5246 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5247 return e->semantic(sc); | |
| 5248 } | |
| 5249 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5250 { | |
| 5251 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5252 return e->semantic(sc); | |
| 5253 } | |
| 5254 } | |
| 5255 else | |
| 5256 { | |
| 5257 sd = ad->isStructDeclaration(); | |
| 5258 if (sd) | |
| 5259 { | |
| 5260 if (e1->op == TOKthis) | |
| 5261 { | |
| 5262 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5263 return e->semantic(sc); | |
| 5264 } | |
| 5265 } | |
| 5266 } | |
| 5267 } | |
| 5268 } | |
| 5269 | |
| 5270 UnaExp::semantic(sc); | |
| 5271 | |
| 5272 if (e1->op == TOKdotexp) | |
| 5273 { | |
| 5274 DotExp *de = (DotExp *)e1; | |
| 5275 eleft = de->e1; | |
| 5276 eright = de->e2; | |
| 5277 } | |
| 5278 else | |
| 5279 { | |
| 5280 e1 = resolveProperties(sc, e1); | |
| 5281 eleft = NULL; | |
| 5282 eright = e1; | |
| 5283 } | |
|
510
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diff
changeset
|
5284 #if DMDV2 |
|
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parents:
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diff
changeset
|
5285 if (e1->op == TOKtuple && ident == Id::offsetof) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5286 { /* '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:
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diff
changeset
|
5287 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5288 TupleExp *te = (TupleExp *)e1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5289 Expressions *exps = new Expressions(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5290 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
|
5291 for (int i = 0; i < exps->dim; i++) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5292 { Expression *e = (Expression *)te->exps->data[i]; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5293 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
|
5294 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
|
5295 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
|
5296 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5297 e = new TupleExp(loc, exps); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5298 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
|
5299 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
|
5300 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5301 #endif |
| 159 | 5302 |
| 5303 if (e1->op == TOKtuple && ident == Id::length) | |
| 5304 { | |
| 5305 TupleExp *te = (TupleExp *)e1; | |
| 5306 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5307 return e; | |
| 5308 } | |
| 5309 | |
| 5310 if (eright->op == TOKimport) // also used for template alias's | |
| 5311 { | |
| 5312 ScopeExp *ie = (ScopeExp *)eright; | |
| 5313 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5314 /* 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
|
5315 * 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
|
5316 * 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
|
5317 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5318 Dsymbol *s = ie->sds->search(loc, ident, |
|
bc982f1ad106
Merged DMD 1.037 frontend
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parents:
841
diff
changeset
|
5319 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5320 if (s) |
| 5321 { | |
| 5322 s = s->toAlias(); | |
| 5323 checkDeprecated(sc, s); | |
| 5324 | |
| 5325 EnumMember *em = s->isEnumMember(); | |
| 5326 if (em) | |
| 5327 { | |
| 5328 e = em->value; | |
| 5329 e = e->semantic(sc); | |
| 5330 return e; | |
| 5331 } | |
| 5332 | |
| 5333 VarDeclaration *v = s->isVarDeclaration(); | |
| 5334 if (v) | |
| 5335 { | |
| 5336 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5337 if (v->inuse) | |
| 5338 { | |
| 5339 error("circular reference to '%s'", v->toChars()); | |
| 5340 type = Type::tint32; | |
| 5341 return this; | |
| 5342 } | |
| 5343 type = v->type; | |
| 5344 if (v->isConst()) | |
| 5345 { | |
| 5346 if (v->init) | |
| 5347 { | |
| 5348 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5349 if (ei) | |
| 5350 { | |
| 5351 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5352 //ei->exp = ei->exp->semantic(sc); | |
| 5353 if (ei->exp->type == type) | |
| 5354 { | |
| 5355 e = ei->exp->copy(); // make copy so we can change loc | |
| 5356 e->loc = loc; | |
| 5357 return e; | |
| 5358 } | |
| 5359 } | |
| 5360 } | |
| 5361 else if (type->isscalar()) | |
| 5362 { | |
| 5363 e = type->defaultInit(); | |
| 5364 e->loc = loc; | |
| 5365 return e; | |
| 5366 } | |
| 5367 } | |
| 5368 if (v->needThis()) | |
| 5369 { | |
| 5370 if (!eleft) | |
| 5371 eleft = new ThisExp(loc); | |
| 5372 e = new DotVarExp(loc, eleft, v); | |
| 5373 e = e->semantic(sc); | |
| 5374 } | |
| 5375 else | |
| 5376 { | |
| 5377 e = new VarExp(loc, v); | |
| 5378 if (eleft) | |
| 5379 { e = new CommaExp(loc, eleft, e); | |
| 5380 e->type = v->type; | |
| 5381 } | |
| 5382 } | |
| 5383 return e->deref(); | |
| 5384 } | |
| 5385 | |
| 5386 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5387 if (f) | |
| 5388 { | |
| 5389 //printf("it's a function\n"); | |
| 5390 if (f->needThis()) | |
| 5391 { | |
| 5392 if (!eleft) | |
| 5393 eleft = new ThisExp(loc); | |
| 5394 e = new DotVarExp(loc, eleft, f); | |
| 5395 e = e->semantic(sc); | |
| 5396 } | |
| 5397 else | |
| 5398 { | |
| 5399 e = new VarExp(loc, f); | |
| 5400 if (eleft) | |
| 5401 { e = new CommaExp(loc, eleft, e); | |
| 5402 e->type = f->type; | |
| 5403 } | |
| 5404 } | |
| 5405 return e; | |
| 5406 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5407 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5408 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5409 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5410 { //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
|
5411 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5412 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5413 #endif |
| 159 | 5414 |
| 5415 Type *t = s->getType(); | |
| 5416 if (t) | |
| 5417 { | |
| 5418 return new TypeExp(loc, t); | |
| 5419 } | |
| 5420 | |
| 336 | 5421 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5422 if (tup) | |
| 5423 { | |
| 5424 if (eleft) | |
| 5425 error("cannot have e.tuple"); | |
| 5426 e = new TupleExp(loc, tup); | |
| 5427 e = e->semantic(sc); | |
| 5428 return e; | |
| 5429 } | |
| 5430 | |
| 159 | 5431 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5432 if (sds) | |
| 5433 { | |
| 5434 //printf("it's a ScopeDsymbol\n"); | |
| 5435 e = new ScopeExp(loc, sds); | |
| 5436 e = e->semantic(sc); | |
| 5437 if (eleft) | |
| 5438 e = new DotExp(loc, eleft, e); | |
| 5439 return e; | |
| 5440 } | |
| 5441 | |
| 5442 Import *imp = s->isImport(); | |
| 5443 if (imp) | |
| 5444 { | |
| 5445 ScopeExp *ie; | |
| 5446 | |
| 5447 ie = new ScopeExp(loc, imp->pkg); | |
| 5448 return ie->semantic(sc); | |
| 5449 } | |
| 5450 | |
| 5451 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5452 #ifdef DEBUG | |
| 5453 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5454 #endif | |
| 5455 assert(0); | |
| 5456 } | |
| 5457 else if (ident == Id::stringof) | |
| 5458 { char *s = ie->toChars(); | |
| 5459 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5460 e = e->semantic(sc); | |
| 5461 return e; | |
| 5462 } | |
| 5463 error("undefined identifier %s", toChars()); | |
| 5464 type = Type::tvoid; | |
| 5465 return this; | |
| 5466 } | |
| 5467 else if (e1->type->ty == Tpointer && | |
| 5468 ident != Id::init && ident != Id::__sizeof && | |
| 5469 ident != Id::alignof && ident != Id::offsetof && | |
| 5470 ident != Id::mangleof && ident != Id::stringof) | |
| 5471 { | |
| 5472 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
|
5473 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5474 return e->type->dotExp(sc, e, ident); |
| 5475 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5476 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5477 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5478 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5479 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5480 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5481 * e1.ident |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5482 * as: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5483 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5484 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5485 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5486 global.gag++; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5487 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5488 global.gag--; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5489 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
|
5490 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5491 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5492 e = new DotIdExp(loc, new IdentifierExp(loc, Id::empty), ident); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5493 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5494 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5495 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5496 return e; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5497 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5498 #endif |
| 159 | 5499 else |
| 5500 { | |
| 5501 e = e1->type->dotExp(sc, e1, ident); | |
| 5502 e = e->semantic(sc); | |
| 5503 return e; | |
| 5504 } | |
| 5505 } | |
| 5506 | |
| 5507 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5508 { | |
| 5509 //printf("DotIdExp::toCBuffer()\n"); | |
| 5510 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5511 buf->writeByte('.'); | |
| 5512 buf->writestring(ident->toChars()); | |
| 5513 } | |
| 5514 | |
| 5515 /********************** DotTemplateExp ***********************************/ | |
| 5516 | |
| 5517 // Mainly just a placeholder | |
| 5518 | |
| 5519 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5520 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5521 | |
| 5522 { | |
| 5523 this->td = td; | |
| 5524 } | |
| 5525 | |
| 5526 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5527 { | |
| 5528 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5529 buf->writeByte('.'); | |
| 5530 buf->writestring(td->toChars()); | |
| 5531 } | |
| 5532 | |
| 5533 | |
| 5534 /************************************************************/ | |
| 5535 | |
| 5536 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5537 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5538 { | |
| 5539 //printf("DotVarExp()\n"); | |
| 5540 this->var = v; | |
| 5541 } | |
| 5542 | |
| 5543 Expression *DotVarExp::semantic(Scope *sc) | |
| 5544 { | |
| 5545 #if LOGSEMANTIC | |
| 5546 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5547 #endif | |
| 5548 if (!type) | |
| 5549 { | |
| 5550 var = var->toAlias()->isDeclaration(); | |
| 5551 | |
| 5552 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5553 if (tup) | |
| 5554 { /* Replace: | |
| 5555 * e1.tuple(a, b, c) | |
| 5556 * with: | |
| 5557 * tuple(e1.a, e1.b, e1.c) | |
| 5558 */ | |
| 5559 Expressions *exps = new Expressions; | |
| 5560 | |
| 5561 exps->reserve(tup->objects->dim); | |
| 5562 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5563 { Object *o = (Object *)tup->objects->data[i]; | |
| 5564 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5565 { | |
| 5566 error("%s is not an expression", o->toChars()); | |
| 5567 } | |
| 5568 else | |
| 5569 { | |
| 5570 Expression *e = (Expression *)o; | |
| 5571 if (e->op != TOKdsymbol) | |
| 5572 error("%s is not a member", e->toChars()); | |
| 5573 else | |
| 5574 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5575 | |
| 5576 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5577 exps->push(e); | |
| 5578 } | |
| 5579 } | |
| 5580 } | |
| 5581 Expression *e = new TupleExp(loc, exps); | |
| 5582 e = e->semantic(sc); | |
| 5583 return e; | |
| 5584 } | |
| 5585 | |
| 5586 e1 = e1->semantic(sc); | |
| 5587 type = var->type; | |
| 5588 if (!type && global.errors) | |
| 5589 { // var is goofed up, just return 0 | |
| 5590 return new IntegerExp(0); | |
| 5591 } | |
| 5592 assert(type); | |
| 5593 | |
| 5594 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5595 { | |
| 5596 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5597 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5598 if (!sc->noaccesscheck) | |
| 5599 accessCheck(loc, sc, e1, var); | |
| 5600 | |
| 5601 VarDeclaration *v = var->isVarDeclaration(); | |
| 5602 if (v && v->isConst()) | |
| 5603 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5604 if (ei) | |
| 5605 { Expression *e = ei->exp->copy(); | |
| 5606 e = e->semantic(sc); | |
| 5607 return e; | |
| 159 | 5608 } |
| 5609 } | |
| 5610 } | |
| 5611 } | |
| 5612 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5613 return this; | |
| 5614 } | |
| 5615 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5616 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5617 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5618 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5619 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5620 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5621 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5622 |
| 159 | 5623 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5624 { | |
| 5625 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5626 return this; | |
| 5627 } | |
| 5628 | |
| 5629 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5630 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5631 #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
|
5632 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
|
5633 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
|
5634 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
|
5635 #endif |
| 159 | 5636 |
| 5637 if (var->isCtorinit()) | |
| 5638 { // It's only modifiable if inside the right constructor | |
| 5639 Dsymbol *s = sc->func; | |
| 5640 while (1) | |
| 5641 { | |
| 5642 FuncDeclaration *fd = NULL; | |
| 5643 if (s) | |
| 5644 fd = s->isFuncDeclaration(); | |
| 5645 if (fd && | |
| 5646 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5647 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5648 fd->toParent() == var->toParent() && | |
| 5649 e1->op == TOKthis | |
| 5650 ) | |
| 5651 { | |
| 5652 VarDeclaration *v = var->isVarDeclaration(); | |
| 5653 assert(v); | |
| 5654 v->ctorinit = 1; | |
| 5655 //printf("setting ctorinit\n"); | |
| 5656 } | |
| 5657 else | |
| 5658 { | |
| 5659 if (s) | |
| 5660 { s = s->toParent2(); | |
| 5661 continue; | |
| 5662 } | |
| 5663 else | |
| 5664 { | |
| 5665 const char *p = var->isStatic() ? "static " : ""; | |
| 5666 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5667 p, var->toChars(), p); | |
| 5668 } | |
| 5669 } | |
| 5670 break; | |
| 5671 } | |
| 5672 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5673 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5674 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5675 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5676 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5677 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5678 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5679 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5680 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5681 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5682 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5683 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5684 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5685 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 #endif |
| 159 | 5687 return this; |
| 5688 } | |
| 5689 | |
| 5690 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5691 { | |
| 5692 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5693 buf->writeByte('.'); | |
| 5694 buf->writestring(var->toChars()); | |
| 5695 } | |
| 5696 | |
| 5697 /************************************************************/ | |
| 5698 | |
| 5699 /* Things like: | |
| 5700 * foo.bar!(args) | |
| 5701 */ | |
| 5702 | |
| 5703 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5704 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5705 { | |
| 5706 //printf("DotTemplateInstanceExp()\n"); | |
| 5707 this->ti = ti; | |
| 5708 } | |
| 5709 | |
| 5710 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5711 { | |
| 5712 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5713 e1->syntaxCopy(), | |
| 5714 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5715 return de; | |
| 5716 } | |
| 5717 | |
| 5718 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5719 { Dsymbol *s; | |
| 5720 Dsymbol *s2; | |
| 5721 TemplateDeclaration *td; | |
| 5722 Expression *e; | |
| 5723 Identifier *id; | |
| 5724 Type *t1; | |
| 5725 Expression *eleft = NULL; | |
| 5726 Expression *eright; | |
| 5727 | |
| 5728 #if LOGSEMANTIC | |
| 5729 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5730 #endif | |
| 5731 //e1->print(); | |
| 5732 //print(); | |
| 5733 e1 = e1->semantic(sc); | |
| 5734 t1 = e1->type; | |
| 5735 if (t1) | |
| 5736 t1 = t1->toBasetype(); | |
| 5737 //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
|
5738 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5739 /* 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
|
5740 * 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
|
5741 * 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
|
5742 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5743 |
| 159 | 5744 if (e1->op == TOKdotexp) |
| 5745 { DotExp *de = (DotExp *)e1; | |
| 5746 eleft = de->e1; | |
| 5747 eright = de->e2; | |
| 5748 } | |
| 5749 else | |
| 5750 { eleft = NULL; | |
| 5751 eright = e1; | |
| 5752 } | |
| 5753 if (eright->op == TOKimport) | |
| 5754 { | |
| 5755 s = ((ScopeExp *)eright)->sds; | |
| 5756 } | |
| 5757 else if (e1->op == TOKtype) | |
| 5758 { | |
| 5759 s = t1->isClassHandle(); | |
| 5760 if (!s) | |
| 5761 { if (t1->ty == Tstruct) | |
| 5762 s = ((TypeStruct *)t1)->sym; | |
| 5763 else | |
| 5764 goto L1; | |
| 5765 } | |
| 5766 } | |
| 5767 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5768 { | |
| 5769 s = t1->toDsymbol(sc); | |
| 5770 eleft = e1; | |
| 5771 } | |
| 5772 else if (t1 && t1->ty == Tpointer) | |
| 5773 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5774 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5775 if (t1->ty != Tstruct) |
| 5776 goto L1; | |
| 5777 s = t1->toDsymbol(sc); | |
| 5778 eleft = e1; | |
| 5779 } | |
| 5780 else | |
| 5781 { | |
| 5782 L1: | |
| 5783 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5784 goto Lerr; | |
| 5785 } | |
| 5786 | |
| 5787 assert(s); | |
| 5788 id = ti->name; | |
| 5789 s2 = s->search(loc, id, 0); | |
| 5790 if (!s2) | |
| 5791 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5792 goto Lerr; | |
| 5793 } | |
| 5794 s = s2; | |
| 5795 s->semantic(sc); | |
| 5796 s = s->toAlias(); | |
| 5797 td = s->isTemplateDeclaration(); | |
| 5798 if (!td) | |
| 5799 { | |
| 5800 error("%s is not a template", id->toChars()); | |
| 5801 goto Lerr; | |
| 5802 } | |
| 5803 if (global.errors) | |
| 5804 goto Lerr; | |
| 5805 | |
| 5806 ti->tempdecl = td; | |
| 5807 | |
| 5808 if (eleft) | |
| 5809 { Declaration *v; | |
| 5810 | |
| 5811 ti->semantic(sc); | |
| 5812 s = ti->inst->toAlias(); | |
| 5813 v = s->isDeclaration(); | |
| 5814 if (v) | |
| 5815 { e = new DotVarExp(loc, eleft, v); | |
| 5816 e = e->semantic(sc); | |
| 5817 return e; | |
| 5818 } | |
| 5819 } | |
| 5820 | |
| 5821 e = new ScopeExp(loc, ti); | |
| 5822 if (eleft) | |
| 5823 { | |
| 5824 e = new DotExp(loc, eleft, e); | |
| 5825 } | |
| 5826 e = e->semantic(sc); | |
| 5827 return e; | |
| 5828 | |
| 5829 Lerr: | |
| 336 | 5830 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5831 } |
| 5832 | |
| 5833 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5834 { | |
| 5835 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5836 buf->writeByte('.'); | |
| 5837 ti->toCBuffer(buf, hgs); | |
| 5838 } | |
| 5839 | |
| 5840 /************************************************************/ | |
| 5841 | |
| 5842 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5843 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5844 { | |
| 5845 this->func = f; | |
| 5846 } | |
| 5847 | |
| 5848 Expression *DelegateExp::semantic(Scope *sc) | |
| 5849 { | |
| 5850 #if LOGSEMANTIC | |
| 5851 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5852 #endif | |
| 5853 if (!type) | |
| 5854 { | |
| 5855 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5856 // 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
|
5857 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5858 type = type->semantic(loc, sc); |
| 5859 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5860 if (func->needThis()) |
| 5861 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5862 } |
| 5863 return this; | |
| 5864 } | |
| 5865 | |
| 5866 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5867 { | |
| 5868 buf->writeByte('&'); | |
| 5869 if (!func->isNested()) | |
| 5870 { | |
| 5871 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5872 buf->writeByte('.'); | |
| 5873 } | |
| 5874 buf->writestring(func->toChars()); | |
| 5875 } | |
| 5876 | |
| 5877 /************************************************************/ | |
| 5878 | |
| 5879 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5880 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5881 { | |
| 5882 this->sym = s; | |
| 5883 this->type = s->getType(); | |
| 5884 } | |
| 5885 | |
| 5886 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5887 { | |
| 5888 #if LOGSEMANTIC | |
| 5889 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5890 #endif | |
| 5891 UnaExp::semantic(sc); | |
| 5892 return this; | |
| 5893 } | |
| 5894 | |
| 5895 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5896 { | |
| 5897 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5898 buf->writeByte('.'); | |
| 5899 buf->writestring(sym->toChars()); | |
| 5900 } | |
| 5901 | |
| 5902 /************************************************************/ | |
| 5903 | |
| 5904 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5905 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5906 { | |
| 5907 this->arguments = exps; | |
| 5908 } | |
| 5909 | |
| 5910 CallExp::CallExp(Loc loc, Expression *e) | |
| 5911 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5912 { | |
| 5913 this->arguments = NULL; | |
| 5914 } | |
| 5915 | |
| 5916 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5917 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5918 { | |
| 5919 Expressions *arguments = new Expressions(); | |
| 5920 arguments->setDim(1); | |
| 5921 arguments->data[0] = (void *)earg1; | |
| 5922 | |
| 5923 this->arguments = arguments; | |
| 5924 } | |
| 5925 | |
| 5926 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5927 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5928 { | |
| 5929 Expressions *arguments = new Expressions(); | |
| 5930 arguments->setDim(2); | |
| 5931 arguments->data[0] = (void *)earg1; | |
| 5932 arguments->data[1] = (void *)earg2; | |
| 5933 | |
| 5934 this->arguments = arguments; | |
| 5935 } | |
| 5936 | |
| 5937 Expression *CallExp::syntaxCopy() | |
| 5938 { | |
| 5939 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5940 } | |
| 5941 | |
| 5942 | |
| 5943 Expression *CallExp::semantic(Scope *sc) | |
| 5944 { | |
| 5945 TypeFunction *tf; | |
| 5946 FuncDeclaration *f; | |
| 5947 int i; | |
| 5948 Type *t1; | |
| 5949 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
|
5950 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5951 |
| 5952 #if LOGSEMANTIC | |
| 5953 printf("CallExp::semantic() %s\n", toChars()); | |
| 5954 #endif | |
| 5955 if (type) | |
| 5956 return this; // semantic() already run | |
| 5957 #if 0 | |
| 5958 if (arguments && arguments->dim) | |
| 5959 { | |
| 5960 Expression *earg = (Expression *)arguments->data[0]; | |
| 5961 earg->print(); | |
| 5962 if (earg->type) earg->type->print(); | |
| 5963 } | |
| 5964 #endif | |
| 5965 | |
| 5966 if (e1->op == TOKdelegate) | |
| 5967 { DelegateExp *de = (DelegateExp *)e1; | |
| 5968 | |
| 5969 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5970 return semantic(sc); | |
| 5971 } | |
| 5972 | |
| 5973 /* Transform: | |
| 5974 * array.id(args) into id(array,args) | |
| 5975 * aa.remove(arg) into delete aa[arg] | |
| 5976 */ | |
| 5977 if (e1->op == TOKdot) | |
| 5978 { | |
| 5979 // BUG: we should handle array.a.b.c.e(args) too | |
| 5980 | |
| 5981 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5982 dotid->e1 = dotid->e1->semantic(sc); | |
| 5983 assert(dotid->e1); | |
| 5984 if (dotid->e1->type) | |
| 5985 { | |
| 5986 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5987 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5988 { | |
| 5989 if (!arguments || arguments->dim != 1) | |
| 5990 { error("expected key as argument to aa.remove()"); | |
| 5991 goto Lagain; | |
| 5992 } | |
| 5993 Expression *key = (Expression *)arguments->data[0]; | |
| 5994 key = key->semantic(sc); | |
| 5995 key = resolveProperties(sc, key); | |
| 5996 key->rvalue(); | |
| 5997 | |
| 5998 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 5999 key = key->implicitCastTo(sc, taa->index); | |
| 6000 key = key->implicitCastTo(sc, taa->key); | |
| 6001 | |
| 6002 return new RemoveExp(loc, dotid->e1, key); | |
| 6003 } | |
| 6004 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6005 { | |
| 6006 if (!arguments) | |
| 6007 arguments = new Expressions(); | |
| 6008 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6009 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6010 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
|
6011 #else |
| 159 | 6012 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
|
6013 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6014 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6015 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6016 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6017 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6018 #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
|
6019 /* 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
|
6020 * 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
|
6021 */ |
|
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 (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
|
6023 { 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
|
6024 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
|
6025 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
|
6026 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6027 /* 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
|
6028 * 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
|
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 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
|
6031 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
|
6032 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
|
6033 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
|
6034 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
|
6035 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
|
6036 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6037 /* 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
|
6038 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6039 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
|
6040 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
|
6041 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
|
6042 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6043 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6044 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6045 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6046 /* 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
|
6047 * 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
|
6048 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6049 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
|
6050 { 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
|
6051 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
|
6052 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
|
6053 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6054 /* 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
|
6055 * 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
|
6056 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6057 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
|
6058 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
|
6059 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
|
6060 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
|
6061 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
|
6062 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
|
6063 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
|
6064 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6065 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
|
6066 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
|
6067 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
|
6068 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6069 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6070 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
|
6071 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6072 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6073 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6074 |
| 159 | 6075 istemp = 0; |
| 6076 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
|
6077 //printf("Lagain: %s\n", toChars()); |
| 159 | 6078 f = NULL; |
| 6079 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6080 { | |
| 6081 // semantic() run later for these | |
| 6082 } | |
| 6083 else | |
| 6084 { | |
| 6085 UnaExp::semantic(sc); | |
| 6086 | |
| 6087 /* Look for e1 being a lazy parameter | |
| 6088 */ | |
| 6089 if (e1->op == TOKvar) | |
| 6090 { VarExp *ve = (VarExp *)e1; | |
| 6091 | |
| 6092 if (ve->var->storage_class & STClazy) | |
| 6093 { | |
| 6094 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6095 TypeDelegate *t = new TypeDelegate(tf); | |
| 6096 ve->type = t->semantic(loc, sc); | |
| 6097 } | |
| 6098 } | |
| 6099 | |
| 6100 if (e1->op == TOKimport) | |
| 6101 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6102 ScopeExp *se = (ScopeExp *)e1; | |
| 6103 e1 = new DsymbolExp(loc, se->sds); | |
| 6104 e1 = e1->semantic(sc); | |
| 6105 } | |
| 6106 #if 1 // patch for #540 by Oskar Linde | |
| 6107 else if (e1->op == TOKdotexp) | |
| 6108 { | |
| 6109 DotExp *de = (DotExp *) e1; | |
| 6110 | |
| 6111 if (de->e2->op == TOKimport) | |
| 6112 { // This should *really* be moved to ScopeExp::semantic() | |
| 6113 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6114 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6115 de->e2 = de->e2->semantic(sc); | |
| 6116 } | |
| 6117 | |
| 6118 if (de->e2->op == TOKtemplate) | |
| 6119 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6120 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6121 } | |
| 6122 } | |
| 6123 #endif | |
| 6124 } | |
| 6125 | |
| 6126 if (e1->op == TOKcomma) | |
| 6127 { | |
| 6128 CommaExp *ce = (CommaExp *)e1; | |
| 6129 | |
| 6130 e1 = ce->e2; | |
| 6131 e1->type = ce->type; | |
| 6132 ce->e2 = this; | |
| 6133 ce->type = NULL; | |
| 6134 return ce->semantic(sc); | |
| 6135 } | |
| 6136 | |
| 6137 t1 = NULL; | |
| 6138 if (e1->type) | |
| 6139 t1 = e1->type->toBasetype(); | |
| 6140 | |
| 6141 // Check for call operator overload | |
| 6142 if (t1) | |
| 6143 { AggregateDeclaration *ad; | |
| 6144 | |
| 6145 if (t1->ty == Tstruct) | |
| 6146 { | |
| 6147 ad = ((TypeStruct *)t1)->sym; | |
| 6148 if (search_function(ad, Id::call)) | |
| 6149 goto L1; // overload of opCall, therefore it's a call | |
| 6150 | |
| 6151 if (e1->op != TOKtype) | |
| 6152 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6153 /* It's a struct literal | |
| 6154 */ | |
| 6155 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6156 e = e->semantic(sc); | |
| 6157 e->type = e1->type; // in case e1->type was a typedef | |
| 6158 return e; | |
| 6159 } | |
| 6160 else if (t1->ty == Tclass) | |
| 6161 { | |
| 6162 ad = ((TypeClass *)t1)->sym; | |
| 6163 goto L1; | |
| 6164 L1: | |
| 6165 // Rewrite as e1.call(arguments) | |
| 6166 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6167 e = new CallExp(loc, e, arguments); | |
| 6168 e = e->semantic(sc); | |
| 6169 return e; | |
| 6170 } | |
| 6171 } | |
| 6172 | |
| 6173 arrayExpressionSemantic(arguments, sc); | |
| 6174 preFunctionArguments(loc, sc, arguments); | |
| 6175 | |
| 6176 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6177 e1->op == TOKdottd) | |
| 6178 { | |
| 6179 DotVarExp *dve; | |
| 6180 DotTemplateExp *dte; | |
| 6181 AggregateDeclaration *ad; | |
| 6182 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6183 |
| 159 | 6184 if (e1->op == TOKdotvar) |
| 6185 { // Do overload resolution | |
| 6186 dve = (DotVarExp *)(e1); | |
| 6187 | |
| 6188 f = dve->var->isFuncDeclaration(); | |
| 6189 assert(f); | |
| 6190 f = f->overloadResolve(loc, arguments); | |
| 6191 | |
| 6192 ad = f->toParent()->isAggregateDeclaration(); | |
| 6193 } | |
| 6194 else | |
| 6195 { dte = (DotTemplateExp *)(e1); | |
| 6196 TemplateDeclaration *td = dte->td; | |
| 6197 assert(td); | |
| 6198 if (!arguments) | |
| 6199 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6200 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6201 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6202 if (!f) |
| 6203 { type = Type::terror; | |
| 6204 return this; | |
| 6205 } | |
| 6206 ad = td->toParent()->isAggregateDeclaration(); | |
| 6207 } | |
| 336 | 6208 if (f->needThis()) |
| 6209 { | |
| 6210 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6211 } | |
| 6212 | |
| 6213 /* Cannot call public functions from inside invariant | |
| 6214 * (because then the invariant would have infinite recursion) | |
| 159 | 6215 */ |
| 336 | 6216 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6217 ue->e1->op == TOKthis && | |
| 6218 f->addPostInvariant() | |
| 159 | 6219 ) |
| 6220 { | |
| 336 | 6221 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6222 } |
| 6223 | |
| 6224 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6225 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6226 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6227 #endif |
| 159 | 6228 accessCheck(loc, sc, ue->e1, f); |
| 6229 if (!f->needThis()) | |
| 6230 { | |
| 6231 VarExp *ve = new VarExp(loc, f); | |
| 6232 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6233 e1->type = f->type; | |
| 6234 } | |
| 6235 else | |
| 6236 { | |
| 6237 if (e1->op == TOKdotvar) | |
| 6238 dve->var = f; | |
| 6239 else | |
| 6240 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6241 e1->type = f->type; | |
| 6242 | |
| 6243 // See if we need to adjust the 'this' pointer | |
| 6244 AggregateDeclaration *ad = f->isThis(); | |
| 6245 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6246 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6247 ue->e1->op != TOKsuper) | |
| 6248 { | |
| 6249 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6250 ue->e1 = ue->e1->semantic(sc); | |
| 6251 } | |
| 6252 } | |
| 6253 t1 = e1->type; | |
| 6254 } | |
| 6255 else if (e1->op == TOKsuper) | |
| 6256 { | |
| 6257 // Base class constructor call | |
| 6258 ClassDeclaration *cd = NULL; | |
| 6259 | |
| 6260 if (sc->func) | |
| 6261 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6262 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6263 { | |
| 6264 error("super class constructor call must be in a constructor"); | |
| 6265 type = Type::terror; | |
| 6266 return this; | |
| 6267 } | |
| 6268 else | |
| 6269 { | |
| 6270 f = cd->baseClass->ctor; | |
| 6271 if (!f) | |
| 6272 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6273 type = Type::terror; | |
| 6274 return this; | |
| 6275 } | |
| 6276 else | |
| 6277 { | |
| 336 | 6278 if (!sc->intypeof) |
| 6279 { | |
| 159 | 6280 #if 0 |
| 336 | 6281 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6282 error("reference to this before super()"); | |
| 159 | 6283 #endif |
| 336 | 6284 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6285 error("constructor calls not allowed in loops or after labels"); | |
| 6286 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6287 error("multiple constructor calls"); | |
| 6288 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6289 } | |
| 159 | 6290 |
| 6291 f = f->overloadResolve(loc, arguments); | |
| 6292 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6293 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6294 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6295 #endif |
| 159 | 6296 e1 = new DotVarExp(e1->loc, e1, f); |
| 6297 e1 = e1->semantic(sc); | |
| 6298 t1 = e1->type; | |
| 6299 } | |
| 6300 } | |
| 6301 } | |
| 6302 else if (e1->op == TOKthis) | |
| 6303 { | |
| 6304 // same class constructor call | |
| 6305 ClassDeclaration *cd = NULL; | |
| 6306 | |
| 6307 if (sc->func) | |
| 6308 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6309 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6310 { | |
| 6311 error("class constructor call must be in a constructor"); | |
| 6312 type = Type::terror; | |
| 6313 return this; | |
| 6314 } | |
| 6315 else | |
| 6316 { | |
| 336 | 6317 if (!sc->intypeof) |
| 6318 { | |
| 159 | 6319 #if 0 |
| 336 | 6320 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6321 error("reference to this before super()"); | |
| 159 | 6322 #endif |
| 336 | 6323 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6324 error("constructor calls not allowed in loops or after labels"); | |
| 6325 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6326 error("multiple constructor calls"); | |
| 6327 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6328 } | |
| 159 | 6329 |
| 6330 f = cd->ctor; | |
| 6331 f = f->overloadResolve(loc, arguments); | |
| 6332 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6333 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6334 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6335 #endif |
| 159 | 6336 e1 = new DotVarExp(e1->loc, e1, f); |
| 6337 e1 = e1->semantic(sc); | |
| 6338 t1 = e1->type; | |
| 6339 | |
| 6340 // BUG: this should really be done by checking the static | |
| 6341 // call graph | |
| 6342 if (f == sc->func) | |
| 6343 error("cyclic constructor call"); | |
| 6344 } | |
| 6345 } | |
| 6346 else if (!t1) | |
| 6347 { | |
| 6348 error("function expected before (), not '%s'", e1->toChars()); | |
| 6349 type = Type::terror; | |
| 6350 return this; | |
| 6351 } | |
| 6352 else if (t1->ty != Tfunction) | |
| 6353 { | |
| 6354 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
|
6355 { 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
|
6356 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
|
6357 tf = (TypeFunction *)(td->next); |
| 159 | 6358 goto Lcheckargs; |
| 6359 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6360 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6361 { Expression *e; |
| 6362 | |
| 6363 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
|
6364 t1 = ((TypePointer *)t1)->next; |
| 159 | 6365 e->type = t1; |
| 6366 e1 = e; | |
| 6367 } | |
| 6368 else if (e1->op == TOKtemplate) | |
| 6369 { | |
| 6370 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6371 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6372 if (!f) |
| 6373 { type = Type::terror; | |
| 6374 return this; | |
| 6375 } | |
| 6376 if (f->needThis() && hasThis(sc)) | |
| 6377 { | |
| 6378 // Supply an implicit 'this', as in | |
| 6379 // this.ident | |
| 6380 | |
| 6381 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6382 goto Lagain; | |
| 6383 } | |
| 6384 | |
| 6385 e1 = new VarExp(loc, f); | |
| 6386 goto Lagain; | |
| 6387 } | |
| 6388 else | |
| 6389 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6390 type = Type::terror; | |
| 6391 return this; | |
| 6392 } | |
| 6393 } | |
| 6394 else if (e1->op == TOKvar) | |
| 6395 { | |
| 6396 // Do overload resolution | |
| 6397 VarExp *ve = (VarExp *)e1; | |
| 6398 | |
| 6399 f = ve->var->isFuncDeclaration(); | |
| 6400 assert(f); | |
| 6401 | |
| 6402 // Look to see if f is really a function template | |
| 6403 if (0 && !istemp && f->parent) | |
| 6404 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6405 | |
| 6406 if (ti && | |
| 6407 (ti->name == f->ident || | |
| 6408 ti->toAlias()->ident == f->ident) | |
| 6409 && | |
| 6410 ti->tempdecl) | |
| 6411 { | |
| 6412 /* This is so that one can refer to the enclosing | |
| 6413 * template, even if it has the same name as a member | |
| 6414 * of the template, if it has a !(arguments) | |
| 6415 */ | |
| 6416 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6417 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6418 tempdecl = tempdecl->overroot; // then get the start | |
| 6419 e1 = new TemplateExp(loc, tempdecl); | |
| 6420 istemp = 1; | |
| 6421 goto Lagain; | |
| 6422 } | |
| 6423 } | |
| 6424 | |
| 6425 f = f->overloadResolve(loc, arguments); | |
| 6426 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6427 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6428 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6429 #endif |
| 159 | 6430 |
| 6431 if (f->needThis() && hasThis(sc)) | |
| 6432 { | |
| 6433 // Supply an implicit 'this', as in | |
| 6434 // this.ident | |
| 6435 | |
| 6436 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6437 goto Lagain; | |
| 6438 } | |
| 6439 | |
| 6440 accessCheck(loc, sc, NULL, f); | |
| 6441 | |
| 6442 ve->var = f; | |
| 6443 ve->type = f->type; | |
| 6444 t1 = f->type; | |
| 6445 } | |
| 6446 assert(t1->ty == Tfunction); | |
| 6447 tf = (TypeFunction *)(t1); | |
| 6448 | |
| 6449 Lcheckargs: | |
| 6450 assert(tf->ty == Tfunction); | |
| 6451 type = tf->next; | |
| 6452 | |
| 6453 if (!arguments) | |
| 6454 arguments = new Expressions(); | |
| 6455 functionArguments(loc, sc, tf, arguments); | |
| 6456 | |
| 6457 assert(type); | |
| 6458 | |
| 6459 if (f && f->tintro) | |
| 6460 { | |
| 6461 Type *t = type; | |
| 6462 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
|
6463 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
|
6464 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6465 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
|
6466 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6467 type = tf->next; |
| 159 | 6468 return castTo(sc, t); |
| 6469 } | |
| 6470 } | |
| 6471 | |
| 6472 return this; | |
| 6473 } | |
| 6474 | |
| 6475 int CallExp::checkSideEffect(int flag) | |
| 6476 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6477 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6478 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6479 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6480 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6481 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6482 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6483 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6484 /* 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
|
6485 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6486 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
|
6487 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 /* 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
|
6494 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 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
|
6500 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 #endif |
| 159 | 6502 return 1; |
| 6503 } | |
| 6504 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 return 1; |
|
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 /* 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
|
6512 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6513 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
|
6514 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 if (e->canThrow()) |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 /* 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
|
6521 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 * Note that pure functions can throw. |
|
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 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 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
|
6528 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6533 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 |
| 159 | 6546 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6547 { | |
| 6548 if (type->toBasetype()->ty == Tstruct) | |
| 6549 return this; | |
| 6550 else | |
| 6551 return Expression::toLvalue(sc, e); | |
| 6552 } | |
| 6553 | |
| 6554 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6555 { int i; | |
| 6556 | |
| 6557 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6558 buf->writeByte('('); | |
| 6559 argsToCBuffer(buf, arguments, hgs); | |
| 6560 buf->writeByte(')'); | |
| 6561 } | |
| 6562 | |
| 6563 | |
| 6564 /************************************************************/ | |
| 6565 | |
| 6566 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6567 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6568 { | |
| 6569 } | |
| 6570 | |
| 6571 Expression *AddrExp::semantic(Scope *sc) | |
| 6572 { | |
| 6573 #if LOGSEMANTIC | |
| 6574 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6575 #endif | |
| 6576 if (!type) | |
| 6577 { | |
| 6578 UnaExp::semantic(sc); | |
| 6579 e1 = e1->toLvalue(sc, NULL); | |
| 6580 if (!e1->type) | |
| 6581 { | |
| 6582 error("cannot take address of %s", e1->toChars()); | |
| 6583 type = Type::tint32; | |
| 6584 return this; | |
| 6585 } | |
| 6586 type = e1->type->pointerTo(); | |
| 6587 | |
| 6588 // See if this should really be a delegate | |
| 6589 if (e1->op == TOKdotvar) | |
| 6590 { | |
| 6591 DotVarExp *dve = (DotVarExp *)e1; | |
| 6592 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6593 | |
| 6594 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
|
6595 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6596 e = e->semantic(sc); |
| 6597 return e; | |
| 6598 } | |
| 6599 } | |
| 6600 else if (e1->op == TOKvar) | |
| 6601 { | |
| 6602 VarExp *dve = (VarExp *)e1; | |
| 6603 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6604 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6605 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6606 // 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
|
6607 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
|
6608 { |
|
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
|
6609 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
|
6610 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
|
6611 } |
|
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
|
6612 |
| 159 | 6613 if (f && f->isNested()) |
| 6614 { Expression *e; | |
| 6615 | |
| 6616 e = new DelegateExp(loc, e1, f); | |
| 6617 e = e->semantic(sc); | |
| 6618 return e; | |
| 6619 } | |
| 6620 } | |
| 6621 else if (e1->op == TOKarray) | |
| 6622 { | |
| 6623 if (e1->type->toBasetype()->ty == Tbit) | |
| 6624 error("cannot take address of bit in array"); | |
| 6625 } | |
| 6626 return optimize(WANTvalue); | |
| 6627 } | |
| 6628 return this; | |
| 6629 } | |
| 6630 | |
| 6631 /************************************************************/ | |
| 6632 | |
| 6633 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6634 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6635 { | |
| 6636 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
|
6637 type = ((TypePointer *)e->type)->next; |
| 159 | 6638 } |
| 6639 | |
| 6640 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6641 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6642 { | |
| 6643 type = t; | |
| 6644 } | |
| 6645 | |
| 6646 Expression *PtrExp::semantic(Scope *sc) | |
| 6647 { Type *tb; | |
| 6648 | |
| 6649 #if LOGSEMANTIC | |
| 6650 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6651 #endif | |
| 6652 UnaExp::semantic(sc); | |
| 6653 e1 = resolveProperties(sc, e1); | |
| 6654 if (type) | |
| 6655 return this; | |
| 6656 if (!e1->type) | |
| 6657 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6658 tb = e1->type->toBasetype(); | |
| 6659 switch (tb->ty) | |
| 6660 { | |
| 6661 case Tpointer: | |
| 6662 type = tb->next; | |
| 6663 if (type->isbit()) | |
| 6664 { Expression *e; | |
| 6665 | |
| 6666 // Rewrite *p as p[0] | |
| 6667 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6668 return e->semantic(sc); | |
| 6669 } | |
| 6670 break; | |
| 6671 | |
| 6672 case Tsarray: | |
| 6673 case Tarray: | |
| 6674 type = tb->next; | |
| 6675 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6676 break; | |
| 6677 | |
| 6678 default: | |
| 6679 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6680 type = Type::tint32; | |
| 6681 break; | |
| 6682 } | |
| 6683 rvalue(); | |
| 6684 return this; | |
| 6685 } | |
| 6686 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6687 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6688 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6689 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6690 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6691 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6692 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6693 |
| 159 | 6694 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6695 { | |
| 6696 #if 0 | |
| 6697 tym = tybasic(e1->ET->Tty); | |
| 6698 if (!(tyscalar(tym) || | |
| 6699 tym == TYstruct || | |
| 6700 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6701 synerr(EM_lvalue); // lvalue expected | |
| 6702 #endif | |
| 6703 return this; | |
| 6704 } | |
| 6705 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6707 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6708 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6709 //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
|
6710 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6711 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6712 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6713 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6714 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6715 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6716 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6717 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6718 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6719 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6720 |
| 159 | 6721 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6722 { | |
| 6723 buf->writeByte('*'); | |
| 6724 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6725 } | |
| 6726 | |
| 6727 /************************************************************/ | |
| 6728 | |
| 6729 NegExp::NegExp(Loc loc, Expression *e) | |
| 6730 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6731 { | |
| 6732 } | |
| 6733 | |
| 6734 Expression *NegExp::semantic(Scope *sc) | |
| 6735 { Expression *e; | |
| 6736 | |
| 6737 #if LOGSEMANTIC | |
| 6738 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6739 #endif | |
| 6740 if (!type) | |
| 6741 { | |
| 6742 UnaExp::semantic(sc); | |
| 6743 e1 = resolveProperties(sc, e1); | |
| 6744 e = op_overload(sc); | |
| 6745 if (e) | |
| 6746 return e; | |
| 6747 | |
| 6748 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
|
6749 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
|
6750 e1->checkArithmetic(); |
| 159 | 6751 type = e1->type; |
| 6752 } | |
| 6753 return this; | |
| 6754 } | |
| 6755 | |
| 6756 /************************************************************/ | |
| 6757 | |
| 6758 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6759 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6760 { | |
| 6761 } | |
| 6762 | |
| 6763 Expression *UAddExp::semantic(Scope *sc) | |
| 6764 { Expression *e; | |
| 6765 | |
| 6766 #if LOGSEMANTIC | |
| 6767 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6768 #endif | |
| 6769 assert(!type); | |
| 6770 UnaExp::semantic(sc); | |
| 6771 e1 = resolveProperties(sc, e1); | |
| 6772 e = op_overload(sc); | |
| 6773 if (e) | |
| 6774 return e; | |
| 6775 e1->checkNoBool(); | |
| 6776 e1->checkArithmetic(); | |
| 6777 return e1; | |
| 6778 } | |
| 6779 | |
| 6780 /************************************************************/ | |
| 6781 | |
| 6782 ComExp::ComExp(Loc loc, Expression *e) | |
| 6783 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6784 { | |
| 6785 } | |
| 6786 | |
| 6787 Expression *ComExp::semantic(Scope *sc) | |
| 6788 { Expression *e; | |
| 6789 | |
| 6790 if (!type) | |
| 6791 { | |
| 6792 UnaExp::semantic(sc); | |
| 6793 e1 = resolveProperties(sc, e1); | |
| 6794 e = op_overload(sc); | |
| 6795 if (e) | |
| 6796 return e; | |
| 6797 | |
| 6798 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
|
6799 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
|
6800 e1 = e1->checkIntegral(); |
| 159 | 6801 type = e1->type; |
| 6802 } | |
| 6803 return this; | |
| 6804 } | |
| 6805 | |
| 6806 /************************************************************/ | |
| 6807 | |
| 6808 NotExp::NotExp(Loc loc, Expression *e) | |
| 6809 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6810 { | |
| 6811 } | |
| 6812 | |
| 6813 Expression *NotExp::semantic(Scope *sc) | |
| 6814 { | |
| 6815 UnaExp::semantic(sc); | |
| 6816 e1 = resolveProperties(sc, e1); | |
| 6817 e1 = e1->checkToBoolean(); | |
| 6818 type = Type::tboolean; | |
| 6819 return this; | |
| 6820 } | |
| 6821 | |
| 6822 int NotExp::isBit() | |
| 6823 { | |
| 6824 return TRUE; | |
| 6825 } | |
| 6826 | |
| 6827 | |
| 6828 | |
| 6829 /************************************************************/ | |
| 6830 | |
| 6831 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6832 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6833 { | |
| 6834 type = t; | |
| 6835 } | |
| 6836 | |
| 6837 Expression *BoolExp::semantic(Scope *sc) | |
| 6838 { | |
| 6839 UnaExp::semantic(sc); | |
| 6840 e1 = resolveProperties(sc, e1); | |
| 6841 e1 = e1->checkToBoolean(); | |
| 6842 type = Type::tboolean; | |
| 6843 return this; | |
| 6844 } | |
| 6845 | |
| 6846 int BoolExp::isBit() | |
| 6847 { | |
| 6848 return TRUE; | |
| 6849 } | |
| 6850 | |
| 6851 /************************************************************/ | |
| 6852 | |
| 6853 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6854 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6855 { | |
| 6856 } | |
| 6857 | |
| 6858 Expression *DeleteExp::semantic(Scope *sc) | |
| 6859 { | |
| 6860 Type *tb; | |
| 6861 | |
| 6862 UnaExp::semantic(sc); | |
| 6863 e1 = resolveProperties(sc, e1); | |
| 6864 e1 = e1->toLvalue(sc, NULL); | |
| 6865 type = Type::tvoid; | |
| 6866 | |
| 6867 tb = e1->type->toBasetype(); | |
| 6868 switch (tb->ty) | |
| 6869 { case Tclass: | |
| 6870 { TypeClass *tc = (TypeClass *)tb; | |
| 6871 ClassDeclaration *cd = tc->sym; | |
| 6872 | |
| 6873 if (cd->isCOMinterface()) | |
| 6874 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6875 */ | |
| 6876 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6877 } | |
| 6878 break; | |
| 6879 } | |
| 6880 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
|
6881 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6882 if (tb->ty == Tstruct) |
| 6883 { | |
| 6884 TypeStruct *ts = (TypeStruct *)tb; | |
| 6885 StructDeclaration *sd = ts->sym; | |
| 6886 FuncDeclaration *f = sd->aggDelete; | |
| 6887 | |
| 6888 if (f) | |
| 6889 { | |
| 6890 Type *tpv = Type::tvoid->pointerTo(); | |
| 6891 | |
| 6892 Expression *e = e1->castTo(sc, tpv); | |
| 6893 Expression *ec = new VarExp(loc, f); | |
| 6894 e = new CallExp(loc, ec, e); | |
| 6895 return e->semantic(sc); | |
| 6896 } | |
| 6897 } | |
| 6898 break; | |
| 6899 | |
| 6900 case Tarray: | |
| 6901 break; | |
| 6902 | |
| 6903 default: | |
| 6904 if (e1->op == TOKindex) | |
| 6905 { | |
| 6906 IndexExp *ae = (IndexExp *)(e1); | |
| 6907 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6908 if (tb1->ty == Taarray) | |
| 6909 break; | |
| 6910 } | |
| 6911 error("cannot delete type %s", e1->type->toChars()); | |
| 6912 break; | |
| 6913 } | |
| 6914 | |
| 6915 if (e1->op == TOKindex) | |
| 6916 { | |
| 6917 IndexExp *ae = (IndexExp *)(e1); | |
| 6918 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6919 if (tb1->ty == Taarray) | |
| 6920 { if (!global.params.useDeprecated) | |
| 6921 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6922 } | |
| 6923 } | |
| 6924 | |
| 6925 return this; | |
| 6926 } | |
| 6927 | |
| 6928 int DeleteExp::checkSideEffect(int flag) | |
| 6929 { | |
| 6930 return 1; | |
| 6931 } | |
| 6932 | |
| 6933 Expression *DeleteExp::checkToBoolean() | |
| 6934 { | |
| 6935 error("delete does not give a boolean result"); | |
| 6936 return this; | |
| 6937 } | |
| 6938 | |
| 6939 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6940 { | |
| 6941 buf->writestring("delete "); | |
| 6942 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6943 } | |
| 6944 | |
| 6945 /************************************************************/ | |
| 6946 | |
| 6947 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6948 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6949 { | |
| 6950 to = t; | |
| 6951 } | |
| 6952 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6953 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6954 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6955 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6956 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
|
6957 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6958 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6959 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6960 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6961 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6962 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6963 |
| 159 | 6964 Expression *CastExp::syntaxCopy() |
| 6965 { | |
| 6966 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6967 } | |
| 6968 | |
| 6969 | |
| 6970 Expression *CastExp::semantic(Scope *sc) | |
| 6971 { Expression *e; | |
| 6972 BinExp *b; | |
| 6973 UnaExp *u; | |
| 6974 | |
| 6975 #if LOGSEMANTIC | |
| 6976 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6977 #endif | |
| 6978 | |
| 6979 //static int x; assert(++x < 10); | |
| 6980 | |
| 6981 if (type) | |
| 6982 return this; | |
| 6983 UnaExp::semantic(sc); | |
| 6984 if (e1->type) // if not a tuple | |
| 6985 { | |
| 6986 e1 = resolveProperties(sc, e1); | |
| 6987 to = to->semantic(loc, sc); | |
| 6988 | |
| 6989 e = op_overload(sc); | |
| 6990 if (e) | |
| 6991 { | |
| 6992 return e->implicitCastTo(sc, to); | |
| 6993 } | |
| 6994 | |
| 6995 Type *tob = to->toBasetype(); | |
| 6996 if (tob->ty == Tstruct && | |
| 6997 !tob->equals(e1->type->toBasetype()) && | |
| 6998 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 6999 ) | |
| 7000 { | |
| 7001 /* Look to replace: | |
| 7002 * cast(S)t | |
| 7003 * with: | |
| 7004 * S(t) | |
| 7005 */ | |
| 7006 | |
| 7007 // Rewrite as to.call(e1) | |
| 7008 e = new TypeExp(loc, to); | |
| 7009 e = new DotIdExp(loc, e, Id::call); | |
| 7010 e = new CallExp(loc, e, e1); | |
| 7011 e = e->semantic(sc); | |
| 7012 return e; | |
| 7013 } | |
| 7014 } | |
| 7015 e = e1->castTo(sc, to); | |
| 7016 return e; | |
| 7017 } | |
| 7018 | |
| 7019 int CastExp::checkSideEffect(int flag) | |
| 7020 { | |
| 7021 /* if not: | |
| 7022 * cast(void) | |
| 7023 * cast(classtype)func() | |
| 7024 */ | |
| 7025 if (!to->equals(Type::tvoid) && | |
| 7026 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7027 return Expression::checkSideEffect(flag); | |
| 7028 return 1; | |
| 7029 } | |
| 7030 | |
| 7031 void CastExp::checkEscape() | |
| 7032 { Type *tb = type->toBasetype(); | |
| 7033 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7034 e1->type->toBasetype()->ty == Tsarray) | |
| 7035 { VarExp *ve = (VarExp *)e1; | |
| 7036 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7037 if (v) | |
| 7038 { | |
| 7039 if (!v->isDataseg() && !v->isParameter()) | |
| 7040 error("escaping reference to local %s", v->toChars()); | |
| 7041 } | |
| 7042 } | |
| 7043 } | |
| 7044 | |
| 7045 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7046 { | |
| 7047 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7048 #if DMDV1 |
| 159 | 7049 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7050 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7051 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7052 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7053 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7054 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7055 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7056 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7057 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7058 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7059 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 #endif |
| 159 | 7077 buf->writeByte(')'); |
| 7078 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7079 } | |
| 7080 | |
| 7081 | |
| 7082 /************************************************************/ | |
| 7083 | |
| 7084 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7085 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7086 { | |
| 7087 this->upr = upr; | |
| 7088 this->lwr = lwr; | |
| 7089 lengthVar = NULL; | |
| 7090 } | |
| 7091 | |
| 7092 Expression *SliceExp::syntaxCopy() | |
| 7093 { | |
| 7094 Expression *lwr = NULL; | |
| 7095 if (this->lwr) | |
| 7096 lwr = this->lwr->syntaxCopy(); | |
| 7097 | |
| 7098 Expression *upr = NULL; | |
| 7099 if (this->upr) | |
| 7100 upr = this->upr->syntaxCopy(); | |
| 7101 | |
| 7102 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7103 } | |
| 7104 | |
| 7105 Expression *SliceExp::semantic(Scope *sc) | |
| 7106 { Expression *e; | |
| 7107 AggregateDeclaration *ad; | |
| 7108 //FuncDeclaration *fd; | |
| 7109 ScopeDsymbol *sym; | |
| 7110 | |
| 7111 #if LOGSEMANTIC | |
| 7112 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7113 #endif | |
| 7114 if (type) | |
| 7115 return this; | |
| 7116 | |
| 7117 UnaExp::semantic(sc); | |
| 7118 e1 = resolveProperties(sc, e1); | |
| 7119 | |
| 7120 e = this; | |
| 7121 | |
| 7122 Type *t = e1->type->toBasetype(); | |
| 7123 if (t->ty == Tpointer) | |
| 7124 { | |
| 7125 if (!lwr || !upr) | |
| 7126 error("need upper and lower bound to slice pointer"); | |
| 7127 } | |
| 7128 else if (t->ty == Tarray) | |
| 7129 { | |
| 7130 } | |
| 7131 else if (t->ty == Tsarray) | |
| 7132 { | |
| 7133 } | |
| 7134 else if (t->ty == Tclass) | |
| 7135 { | |
| 7136 ad = ((TypeClass *)t)->sym; | |
| 7137 goto L1; | |
| 7138 } | |
| 7139 else if (t->ty == Tstruct) | |
| 7140 { | |
| 7141 ad = ((TypeStruct *)t)->sym; | |
| 7142 | |
| 7143 L1: | |
| 7144 if (search_function(ad, Id::slice)) | |
| 7145 { | |
| 7146 // Rewrite as e1.slice(lwr, upr) | |
| 7147 e = new DotIdExp(loc, e1, Id::slice); | |
| 7148 | |
| 7149 if (lwr) | |
| 7150 { | |
| 7151 assert(upr); | |
| 7152 e = new CallExp(loc, e, lwr, upr); | |
| 7153 } | |
| 7154 else | |
| 7155 { assert(!upr); | |
| 7156 e = new CallExp(loc, e); | |
| 7157 } | |
| 7158 e = e->semantic(sc); | |
| 7159 return e; | |
| 7160 } | |
| 7161 goto Lerror; | |
| 7162 } | |
| 7163 else if (t->ty == Ttuple) | |
| 7164 { | |
| 7165 if (!lwr && !upr) | |
| 7166 return e1; | |
| 7167 if (!lwr || !upr) | |
| 7168 { error("need upper and lower bound to slice tuple"); | |
| 7169 goto Lerror; | |
| 7170 } | |
| 7171 } | |
| 7172 else | |
| 7173 goto Lerror; | |
| 7174 | |
| 7175 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7176 { | |
| 7177 sym = new ArrayScopeSymbol(this); | |
| 7178 sym->loc = loc; | |
| 7179 sym->parent = sc->scopesym; | |
| 7180 sc = sc->push(sym); | |
| 7181 } | |
| 7182 | |
| 7183 if (lwr) | |
| 7184 { lwr = lwr->semantic(sc); | |
| 7185 lwr = resolveProperties(sc, lwr); | |
| 7186 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7187 } | |
| 7188 if (upr) | |
| 7189 { upr = upr->semantic(sc); | |
| 7190 upr = resolveProperties(sc, upr); | |
| 7191 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7192 } | |
| 7193 | |
| 7194 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7195 sc->pop(); | |
| 7196 | |
| 7197 if (t->ty == Ttuple) | |
| 7198 { | |
| 7199 lwr = lwr->optimize(WANTvalue); | |
| 7200 upr = upr->optimize(WANTvalue); | |
| 7201 uinteger_t i1 = lwr->toUInteger(); | |
| 7202 uinteger_t i2 = upr->toUInteger(); | |
| 7203 | |
| 7204 size_t length; | |
| 7205 TupleExp *te; | |
| 7206 TypeTuple *tup; | |
| 7207 | |
| 7208 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7209 { te = (TupleExp *)e1; | |
| 7210 length = te->exps->dim; | |
| 7211 } | |
| 7212 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7213 { tup = (TypeTuple *)t; | |
| 7214 length = Argument::dim(tup->arguments); | |
| 7215 } | |
| 7216 else | |
| 7217 assert(0); | |
| 7218 | |
| 7219 if (i1 <= i2 && i2 <= length) | |
| 7220 { size_t j1 = (size_t) i1; | |
| 7221 size_t j2 = (size_t) i2; | |
| 7222 | |
| 7223 if (e1->op == TOKtuple) | |
| 7224 { Expressions *exps = new Expressions; | |
| 7225 exps->setDim(j2 - j1); | |
| 7226 for (size_t i = 0; i < j2 - j1; i++) | |
| 7227 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7228 exps->data[i] = (void *)e; | |
| 7229 } | |
| 7230 e = new TupleExp(loc, exps); | |
| 7231 } | |
| 7232 else | |
| 7233 { Arguments *args = new Arguments; | |
| 7234 args->reserve(j2 - j1); | |
| 7235 for (size_t i = j1; i < j2; i++) | |
| 7236 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7237 args->push(arg); | |
| 7238 } | |
| 7239 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7240 } | |
| 7241 e = e->semantic(sc); | |
| 7242 } | |
| 7243 else | |
| 7244 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7245 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7246 e = e1; |
| 7247 } | |
| 7248 return e; | |
| 7249 } | |
| 7250 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7251 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7252 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7253 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7254 type = t->nextOf()->arrayOf(); |
| 159 | 7255 return e; |
| 7256 | |
| 7257 Lerror: | |
| 7258 char *s; | |
| 7259 if (t->ty == Tvoid) | |
| 7260 s = e1->toChars(); | |
| 7261 else | |
| 7262 s = t->toChars(); | |
| 7263 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
|
7264 e = new IntegerExp(0); |
| 159 | 7265 return e; |
| 7266 } | |
| 7267 | |
| 7268 void SliceExp::checkEscape() | |
| 7269 { | |
| 7270 e1->checkEscape(); | |
| 7271 } | |
| 7272 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7273 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7274 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7275 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7276 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7277 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7278 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7279 |
| 159 | 7280 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7281 { | |
| 7282 return this; | |
| 7283 } | |
| 7284 | |
| 7285 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7286 { | |
| 7287 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7288 return this; | |
| 7289 } | |
| 7290 | |
| 7291 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7292 { | |
| 7293 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7294 buf->writeByte('['); | |
| 7295 if (upr || lwr) | |
| 7296 { | |
| 7297 if (lwr) | |
| 7298 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7299 else | |
| 7300 buf->writeByte('0'); | |
| 7301 buf->writestring(".."); | |
| 7302 if (upr) | |
| 7303 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7304 else | |
| 7305 buf->writestring("length"); // BUG: should be array.length | |
| 7306 } | |
| 7307 buf->writeByte(']'); | |
| 7308 } | |
| 7309 | |
| 7310 /********************** ArrayLength **************************************/ | |
| 7311 | |
| 7312 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7313 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7314 { | |
| 7315 } | |
| 7316 | |
| 7317 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7318 { Expression *e; | |
| 7319 | |
| 7320 #if LOGSEMANTIC | |
| 7321 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7322 #endif | |
| 7323 if (!type) | |
| 7324 { | |
| 7325 UnaExp::semantic(sc); | |
| 7326 e1 = resolveProperties(sc, e1); | |
| 7327 | |
| 7328 type = Type::tsize_t; | |
| 7329 } | |
| 7330 return this; | |
| 7331 } | |
| 7332 | |
| 7333 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7334 { | |
| 7335 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7336 buf->writestring(".length"); | |
| 7337 } | |
| 7338 | |
| 7339 /*********************** ArrayExp *************************************/ | |
| 7340 | |
| 7341 // e1 [ i1, i2, i3, ... ] | |
| 7342 | |
| 7343 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7344 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7345 { | |
| 7346 arguments = args; | |
| 7347 } | |
| 7348 | |
| 7349 Expression *ArrayExp::syntaxCopy() | |
| 7350 { | |
| 7351 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7352 } | |
| 7353 | |
| 7354 Expression *ArrayExp::semantic(Scope *sc) | |
| 7355 { Expression *e; | |
| 7356 Type *t1; | |
| 7357 | |
| 7358 #if LOGSEMANTIC | |
| 7359 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7360 #endif | |
| 7361 UnaExp::semantic(sc); | |
| 7362 e1 = resolveProperties(sc, e1); | |
| 7363 | |
| 7364 t1 = e1->type->toBasetype(); | |
| 7365 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7366 { // Convert to IndexExp | |
| 7367 if (arguments->dim != 1) | |
| 7368 error("only one index allowed to index %s", t1->toChars()); | |
| 7369 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7370 return e->semantic(sc); | |
| 7371 } | |
| 7372 | |
| 7373 // Run semantic() on each argument | |
| 7374 for (size_t i = 0; i < arguments->dim; i++) | |
| 7375 { e = (Expression *)arguments->data[i]; | |
| 7376 | |
| 7377 e = e->semantic(sc); | |
| 7378 if (!e->type) | |
| 7379 error("%s has no value", e->toChars()); | |
| 7380 arguments->data[i] = (void *)e; | |
| 7381 } | |
| 7382 | |
| 7383 expandTuples(arguments); | |
| 7384 assert(arguments && arguments->dim); | |
| 7385 | |
| 7386 e = op_overload(sc); | |
| 7387 if (!e) | |
| 7388 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7389 e = e1; | |
| 7390 } | |
| 7391 return e; | |
| 7392 } | |
| 7393 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7394 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7395 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7396 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7397 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7398 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7399 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7400 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7401 #endif |
| 159 | 7402 |
| 7403 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7404 { | |
| 7405 if (type && type->toBasetype()->ty == Tvoid) | |
| 7406 error("voids have no value"); | |
| 7407 return this; | |
| 7408 } | |
| 7409 | |
| 7410 | |
| 7411 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7412 { int i; | |
| 7413 | |
| 7414 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7415 buf->writeByte('['); | |
| 7416 argsToCBuffer(buf, arguments, hgs); | |
| 7417 buf->writeByte(']'); | |
| 7418 } | |
| 7419 | |
| 7420 /************************* DotExp ***********************************/ | |
| 7421 | |
| 7422 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7423 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7424 { | |
| 7425 } | |
| 7426 | |
| 7427 Expression *DotExp::semantic(Scope *sc) | |
| 7428 { | |
| 7429 #if LOGSEMANTIC | |
| 7430 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7431 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7432 #endif | |
| 7433 e1 = e1->semantic(sc); | |
| 7434 e2 = e2->semantic(sc); | |
| 7435 if (e2->op == TOKimport) | |
| 7436 { | |
| 7437 ScopeExp *se = (ScopeExp *)e2; | |
| 7438 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7439 if (td) | |
| 7440 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7441 e = e->semantic(sc); | |
| 7442 return e; | |
| 7443 } | |
| 7444 } | |
| 7445 if (!type) | |
| 7446 type = e2->type; | |
| 7447 return this; | |
| 7448 } | |
| 7449 | |
| 7450 | |
| 7451 /************************* CommaExp ***********************************/ | |
| 7452 | |
| 7453 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7454 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7455 { | |
| 7456 } | |
| 7457 | |
| 7458 Expression *CommaExp::semantic(Scope *sc) | |
| 7459 { | |
| 7460 if (!type) | |
| 7461 { BinExp::semanticp(sc); | |
| 7462 type = e2->type; | |
| 7463 } | |
| 7464 return this; | |
| 7465 } | |
| 7466 | |
| 7467 void CommaExp::checkEscape() | |
| 7468 { | |
| 7469 e2->checkEscape(); | |
| 7470 } | |
| 7471 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7472 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7473 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7474 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7475 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7476 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7477 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7478 |
| 159 | 7479 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7480 { | |
| 7481 e2 = e2->toLvalue(sc, NULL); | |
| 7482 return this; | |
| 7483 } | |
| 7484 | |
| 7485 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7486 { | |
| 7487 e2 = e2->modifiableLvalue(sc, e); | |
| 7488 return this; | |
| 7489 } | |
| 7490 | |
| 7491 int CommaExp::isBool(int result) | |
| 7492 { | |
| 7493 return e2->isBool(result); | |
| 7494 } | |
| 7495 | |
| 7496 int CommaExp::checkSideEffect(int flag) | |
| 7497 { | |
| 7498 if (flag == 2) | |
| 7499 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7500 else | |
| 7501 { | |
| 7502 // Don't check e1 until we cast(void) the a,b code generation | |
| 7503 return e2->checkSideEffect(flag); | |
| 7504 } | |
| 7505 } | |
| 7506 | |
| 7507 /************************** IndexExp **********************************/ | |
| 7508 | |
| 7509 // e1 [ e2 ] | |
| 7510 | |
| 7511 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7512 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7513 { | |
| 7514 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7515 lengthVar = NULL; | |
| 7516 modifiable = 0; // assume it is an rvalue | |
| 7517 } | |
| 7518 | |
| 7519 Expression *IndexExp::semantic(Scope *sc) | |
| 7520 { Expression *e; | |
| 7521 BinExp *b; | |
| 7522 UnaExp *u; | |
| 7523 Type *t1; | |
| 7524 ScopeDsymbol *sym; | |
| 7525 | |
| 7526 #if LOGSEMANTIC | |
| 7527 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7528 #endif | |
| 7529 if (type) | |
| 7530 return this; | |
| 7531 if (!e1->type) | |
| 7532 e1 = e1->semantic(sc); | |
| 7533 assert(e1->type); // semantic() should already be run on it | |
| 7534 e = this; | |
| 7535 | |
| 7536 // Note that unlike C we do not implement the int[ptr] | |
| 7537 | |
| 7538 t1 = e1->type->toBasetype(); | |
| 7539 | |
| 7540 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7541 { // Create scope for 'length' variable | |
| 7542 sym = new ArrayScopeSymbol(this); | |
| 7543 sym->loc = loc; | |
| 7544 sym->parent = sc->scopesym; | |
| 7545 sc = sc->push(sym); | |
| 7546 } | |
| 7547 | |
| 7548 e2 = e2->semantic(sc); | |
| 7549 if (!e2->type) | |
| 7550 { | |
| 7551 error("%s has no value", e2->toChars()); | |
| 7552 e2->type = Type::terror; | |
| 7553 } | |
| 7554 e2 = resolveProperties(sc, e2); | |
| 7555 | |
| 7556 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7557 sc = sc->pop(); | |
| 7558 | |
| 7559 switch (t1->ty) | |
| 7560 { | |
| 7561 case Tpointer: | |
| 7562 case Tarray: | |
| 7563 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7564 e->type = t1->next; | |
| 7565 break; | |
| 7566 | |
| 7567 case Tsarray: | |
| 7568 { | |
| 7569 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7570 | |
| 7571 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7572 | |
| 7573 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7574 // Do compile time array bounds checking if possible | |
| 7575 e2 = e2->optimize(WANTvalue); | |
| 7576 if (e2->op == TOKint64) | |
| 7577 { | |
| 7578 integer_t index = e2->toInteger(); | |
| 7579 integer_t length = tsa->dim->toInteger(); | |
| 7580 if (index < 0 || index >= length) | |
| 7581 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7582 index, length); | |
| 7583 } | |
| 7584 #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
|
7585 e->type = t1->nextOf(); |
| 159 | 7586 break; |
| 7587 } | |
| 7588 | |
| 7589 case Taarray: | |
| 7590 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7591 | |
| 7592 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7593 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7594 type = taa->next; | |
| 7595 break; | |
| 7596 } | |
| 7597 | |
| 7598 case Ttuple: | |
| 7599 { | |
| 7600 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7601 e2 = e2->optimize(WANTvalue); | |
| 7602 uinteger_t index = e2->toUInteger(); | |
| 7603 size_t length; | |
| 7604 TupleExp *te; | |
| 7605 TypeTuple *tup; | |
| 7606 | |
| 7607 if (e1->op == TOKtuple) | |
| 7608 { te = (TupleExp *)e1; | |
| 7609 length = te->exps->dim; | |
| 7610 } | |
| 7611 else if (e1->op == TOKtype) | |
| 7612 { | |
| 7613 tup = (TypeTuple *)t1; | |
| 7614 length = Argument::dim(tup->arguments); | |
| 7615 } | |
| 7616 else | |
| 7617 assert(0); | |
| 7618 | |
| 7619 if (index < length) | |
| 7620 { | |
| 7621 | |
| 7622 if (e1->op == TOKtuple) | |
| 7623 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7624 else | |
| 7625 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7626 } | |
| 7627 else | |
| 7628 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7629 error("array index [%ju] is outside array bounds [0 .. %zu]", |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7630 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7631 e = e1; |
| 159 | 7632 } |
| 7633 break; | |
| 7634 } | |
| 7635 | |
| 7636 default: | |
| 7637 error("%s must be an array or pointer type, not %s", | |
| 7638 e1->toChars(), e1->type->toChars()); | |
| 7639 type = Type::tint32; | |
| 7640 break; | |
| 7641 } | |
| 7642 return e; | |
| 7643 } | |
| 7644 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7645 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7646 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7647 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7648 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7649 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7650 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7651 |
| 159 | 7652 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7653 { | |
| 7654 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7655 // error("voids have no value"); | |
| 7656 return this; | |
| 7657 } | |
| 7658 | |
| 7659 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7660 { | |
| 7661 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7662 modifiable = 1; | |
| 7663 if (e1->op == TOKstring) | |
| 7664 error("string literals are immutable"); | |
| 7665 if (e1->type->toBasetype()->ty == Taarray) | |
| 7666 e1 = e1->modifiableLvalue(sc, e1); | |
| 7667 return toLvalue(sc, e); | |
| 7668 } | |
| 7669 | |
| 7670 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7671 { | |
| 7672 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7673 buf->writeByte('['); | |
| 7674 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7675 buf->writeByte(']'); | |
| 7676 } | |
| 7677 | |
| 7678 | |
| 7679 /************************* PostExp ***********************************/ | |
| 7680 | |
| 7681 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7682 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7683 new IntegerExp(loc, 1, Type::tint32)) | |
| 7684 { | |
| 7685 } | |
| 7686 | |
| 7687 Expression *PostExp::semantic(Scope *sc) | |
| 7688 { Expression *e = this; | |
| 7689 | |
| 7690 if (!type) | |
| 7691 { | |
| 7692 BinExp::semantic(sc); | |
| 7693 e2 = resolveProperties(sc, e2); | |
| 7694 | |
| 7695 e = op_overload(sc); | |
| 7696 if (e) | |
| 7697 return e; | |
| 7698 | |
| 7699 e = this; | |
| 7700 e1 = e1->modifiableLvalue(sc, e1); | |
| 7701 e1->checkScalar(); | |
| 7702 e1->checkNoBool(); | |
| 7703 if (e1->type->ty == Tpointer) | |
| 7704 e = scaleFactor(sc); | |
| 7705 else | |
| 7706 e2 = e2->castTo(sc, e1->type); | |
| 7707 e->type = e1->type; | |
| 7708 } | |
| 7709 return e; | |
| 7710 } | |
| 7711 | |
| 7712 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7713 { | |
| 7714 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7715 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7716 } | |
| 7717 | |
| 7718 /************************************************************/ | |
| 7719 | |
| 7720 /* Can be TOKconstruct too */ | |
| 7721 | |
| 7722 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7723 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7724 { | |
| 7725 ismemset = 0; | |
| 7726 } | |
| 7727 | |
| 7728 Expression *AssignExp::semantic(Scope *sc) | |
| 7729 { Type *t1; | |
| 7730 Expression *e1old = e1; | |
| 7731 | |
| 7732 #if LOGSEMANTIC | |
| 7733 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7734 #endif | |
| 7735 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7736 | |
| 7737 /* Look for operator overloading of a[i]=value. | |
| 7738 * Do it before semantic() otherwise the a[i] will have been | |
| 7739 * converted to a.opIndex() already. | |
| 7740 */ | |
| 7741 if (e1->op == TOKarray) | |
| 7742 { Type *t1; | |
| 7743 ArrayExp *ae = (ArrayExp *)e1; | |
| 7744 AggregateDeclaration *ad; | |
| 7745 Identifier *id = Id::index; | |
| 7746 | |
| 7747 ae->e1 = ae->e1->semantic(sc); | |
| 7748 t1 = ae->e1->type->toBasetype(); | |
| 7749 if (t1->ty == Tstruct) | |
| 7750 { | |
| 7751 ad = ((TypeStruct *)t1)->sym; | |
| 7752 goto L1; | |
| 7753 } | |
| 7754 else if (t1->ty == Tclass) | |
| 7755 { | |
| 7756 ad = ((TypeClass *)t1)->sym; | |
| 7757 L1: | |
| 7758 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7759 if (search_function(ad, Id::indexass)) | |
| 7760 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7761 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7762 | |
| 7763 a->insert(0, e2); | |
| 7764 e = new CallExp(loc, e, a); | |
| 7765 e = e->semantic(sc); | |
| 7766 return e; | |
| 7767 } | |
| 7768 else | |
| 7769 { | |
| 7770 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7771 if (search_function(ad, id)) | |
| 7772 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7773 | |
| 7774 if (1 || !global.params.useDeprecated) | |
| 7775 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7776 | |
| 7777 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7778 e = e->semantic(sc); | |
| 7779 return e; | |
| 7780 } | |
| 7781 } | |
| 7782 } | |
| 7783 } | |
| 7784 /* Look for operator overloading of a[i..j]=value. | |
| 7785 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7786 * converted to a.opSlice() already. | |
| 7787 */ | |
| 7788 if (e1->op == TOKslice) | |
| 7789 { Type *t1; | |
| 7790 SliceExp *ae = (SliceExp *)e1; | |
| 7791 AggregateDeclaration *ad; | |
| 7792 Identifier *id = Id::index; | |
| 7793 | |
| 7794 ae->e1 = ae->e1->semantic(sc); | |
| 7795 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7796 t1 = ae->e1->type->toBasetype(); | |
| 7797 if (t1->ty == Tstruct) | |
| 7798 { | |
| 7799 ad = ((TypeStruct *)t1)->sym; | |
| 7800 goto L2; | |
| 7801 } | |
| 7802 else if (t1->ty == Tclass) | |
| 7803 { | |
| 7804 ad = ((TypeClass *)t1)->sym; | |
| 7805 L2: | |
| 7806 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7807 if (search_function(ad, Id::sliceass)) | |
| 7808 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7809 Expressions *a = new Expressions(); | |
| 7810 | |
| 7811 a->push(e2); | |
| 7812 if (ae->lwr) | |
| 7813 { a->push(ae->lwr); | |
| 7814 assert(ae->upr); | |
| 7815 a->push(ae->upr); | |
| 7816 } | |
| 7817 else | |
| 7818 assert(!ae->upr); | |
| 7819 e = new CallExp(loc, e, a); | |
| 7820 e = e->semantic(sc); | |
| 7821 return e; | |
| 7822 } | |
| 7823 } | |
| 7824 } | |
| 7825 | |
| 7826 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7827 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7828 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7829 { // 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
|
7830 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7831 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7832 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7833 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7834 |
| 159 | 7835 e2 = resolveProperties(sc, e2); |
| 7836 assert(e1->type); | |
| 7837 | |
| 7838 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7839 */ | |
| 7840 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7841 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7842 TupleExp *tup2 = (TupleExp *)e2; | |
| 7843 size_t dim = tup1->exps->dim; | |
| 7844 if (dim != tup2->exps->dim) | |
| 7845 { | |
| 7846 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7847 } | |
| 7848 else | |
| 7849 { Expressions *exps = new Expressions; | |
| 7850 exps->setDim(dim); | |
| 7851 | |
| 7852 for (int i = 0; i < dim; i++) | |
| 7853 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7854 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7855 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7856 } | |
| 7857 Expression *e = new TupleExp(loc, exps); | |
| 7858 e = e->semantic(sc); | |
| 7859 return e; | |
| 7860 } | |
| 7861 } | |
| 7862 | |
| 7863 t1 = e1->type->toBasetype(); | |
| 7864 | |
| 7865 if (t1->ty == Tfunction) | |
| 7866 { // Rewrite f=value to f(value) | |
| 7867 Expression *e; | |
| 7868 | |
| 7869 e = new CallExp(loc, e1, e2); | |
| 7870 e = e->semantic(sc); | |
| 7871 return e; | |
| 7872 } | |
| 7873 | |
| 7874 /* If it is an assignment from a 'foreign' type, | |
| 7875 * check for operator overloading. | |
| 7876 */ | |
| 7877 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7878 { | |
| 7879 if (!e2->type->implicitConvTo(e1->type)) | |
| 7880 { | |
| 7881 Expression *e = op_overload(sc); | |
| 7882 if (e) | |
| 7883 return e; | |
| 7884 } | |
| 7885 } | |
| 7886 | |
| 7887 e2->rvalue(); | |
| 7888 | |
| 7889 if (e1->op == TOKarraylength) | |
| 7890 { | |
| 7891 // e1 is not an lvalue, but we let code generator handle it | |
| 7892 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7893 | |
| 7894 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7895 } | |
| 7896 else if (e1->op == TOKslice) | |
| 7897 ; | |
| 7898 else | |
| 7899 { // Try to do a decent error message with the expression | |
| 7900 // before it got constant folded | |
| 7901 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7902 } | |
| 7903 | |
| 7904 if (e1->op == TOKslice && | |
| 7905 t1->nextOf() && | |
| 7906 e2->implicitConvTo(t1->nextOf()) | |
| 7907 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7908 ) | |
| 7909 { // memset | |
| 7910 ismemset = 1; // make it easy for back end to tell what this is | |
| 7911 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7912 } | |
| 7913 else if (t1->ty == Tsarray) | |
| 7914 { | |
| 7915 error("cannot assign to static array %s", e1->toChars()); | |
| 7916 } | |
| 7917 else | |
| 7918 { | |
| 7919 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7920 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7921 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7922 /* 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
|
7923 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7924 if (e1->op == TOKslice && !ismemset && |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7925 (e2->op == TOKadd || e2->op == TOKmin || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7926 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
|
7927 e2->op == TOKmod || e2->op == TOKxor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7928 e2->op == TOKand || e2->op == TOKor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7929 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
|
7930 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7931 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
|
7932 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
|
7933 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7934 |
| 159 | 7935 type = e1->type; |
| 7936 assert(type); | |
| 7937 return this; | |
| 7938 } | |
| 7939 | |
| 7940 Expression *AssignExp::checkToBoolean() | |
| 7941 { | |
| 7942 // Things like: | |
| 7943 // if (a = b) ... | |
| 7944 // are usually mistakes. | |
| 7945 | |
| 7946 error("'=' does not give a boolean result"); | |
| 7947 return this; | |
| 7948 } | |
| 7949 | |
| 7950 /************************************************************/ | |
| 7951 | |
| 7952 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7953 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7954 { | |
| 7955 } | |
| 7956 | |
| 7957 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7958 { Expression *e; | |
| 7959 | |
| 7960 if (type) | |
| 7961 return this; | |
| 7962 | |
| 7963 BinExp::semantic(sc); | |
| 7964 e2 = resolveProperties(sc, e2); | |
| 7965 | |
| 7966 e = op_overload(sc); | |
| 7967 if (e) | |
| 7968 return e; | |
| 7969 | |
| 7970 Type *tb1 = e1->type->toBasetype(); | |
| 7971 Type *tb2 = e2->type->toBasetype(); | |
| 7972 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7973 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
|
7974 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7975 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
|
7976 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
|
7977 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
|
7978 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7979 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7980 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7981 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
|
7982 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7983 |
| 159 | 7984 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7985 (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
|
7986 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7987 ) |
| 7988 { | |
| 7989 type = e1->type; | |
| 7990 e = this; | |
| 7991 } | |
| 7992 else | |
| 7993 { | |
| 7994 e1->checkScalar(); | |
| 7995 e1->checkNoBool(); | |
| 7996 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 7997 e = scaleFactor(sc); | |
| 7998 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 7999 { | |
| 8000 #if 0 | |
| 8001 // Need to rethink this | |
| 8002 if (e1->op != TOKvar) | |
| 8003 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8004 VarDeclaration *v; | |
| 8005 Expression *ea; | |
| 8006 Expression *ex; | |
| 8007 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8008 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8009 |
| 8010 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8011 v->semantic(sc); | |
| 8012 if (!sc->insert(v)) | |
| 8013 assert(0); | |
| 8014 v->parent = sc->func; | |
| 8015 | |
| 8016 ea = new AddrExp(loc, e1); | |
| 8017 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8018 | |
| 8019 ex = new VarExp(loc, v); | |
| 8020 ex = new PtrExp(loc, ex); | |
| 8021 e = new AddExp(loc, ex, e2); | |
| 8022 e = new CastExp(loc, e, e1->type); | |
| 8023 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8024 | |
| 8025 e = new CommaExp(loc, ea, e); | |
| 8026 } | |
| 8027 else | |
| 8028 #endif | |
| 8029 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8030 // BUG: doesn't account for side effects in e1 | |
| 8031 // BUG: other assignment operators for bits aren't handled at all | |
| 8032 e = new AddExp(loc, e1, e2); | |
| 8033 e = new CastExp(loc, e, e1->type); | |
| 8034 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8035 } | |
| 8036 e = e->semantic(sc); | |
| 8037 } | |
| 8038 else | |
| 8039 { | |
| 8040 type = e1->type; | |
| 8041 typeCombine(sc); | |
| 8042 e1->checkArithmetic(); | |
| 8043 e2->checkArithmetic(); | |
| 8044 if (type->isreal() || type->isimaginary()) | |
| 8045 { | |
| 8046 assert(global.errors || e2->type->isfloating()); | |
| 8047 e2 = e2->castTo(sc, e1->type); | |
| 8048 } | |
| 8049 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8050 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8051 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8052 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8053 } |
| 8054 } | |
| 8055 return e; | |
| 8056 } | |
| 8057 | |
| 8058 /************************************************************/ | |
| 8059 | |
| 8060 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8061 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8062 { | |
| 8063 } | |
| 8064 | |
| 8065 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8066 { Expression *e; | |
| 8067 | |
| 8068 if (type) | |
| 8069 return this; | |
| 8070 | |
| 8071 BinExp::semantic(sc); | |
| 8072 e2 = resolveProperties(sc, e2); | |
| 8073 | |
| 8074 e = op_overload(sc); | |
| 8075 if (e) | |
| 8076 return e; | |
| 8077 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8078 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
|
8079 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8080 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
|
8081 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
|
8082 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
|
8083 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8084 |
| 159 | 8085 e1 = e1->modifiableLvalue(sc, e1); |
| 8086 e1->checkScalar(); | |
| 8087 e1->checkNoBool(); | |
| 8088 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8089 e = scaleFactor(sc); | |
| 8090 else | |
| 8091 { | |
| 8092 e1 = e1->checkArithmetic(); | |
| 8093 e2 = e2->checkArithmetic(); | |
| 8094 type = e1->type; | |
| 8095 typeCombine(sc); | |
| 8096 if (type->isreal() || type->isimaginary()) | |
| 8097 { | |
| 8098 assert(e2->type->isfloating()); | |
| 8099 e2 = e2->castTo(sc, e1->type); | |
| 8100 } | |
| 8101 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8102 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8103 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8104 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8105 } |
| 8106 return e; | |
| 8107 } | |
| 8108 | |
| 8109 /************************************************************/ | |
| 8110 | |
| 8111 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8112 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8113 { | |
| 8114 } | |
| 8115 | |
| 8116 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8117 { Expression *e; | |
| 8118 | |
| 8119 BinExp::semantic(sc); | |
| 8120 e2 = resolveProperties(sc, e2); | |
| 8121 | |
| 8122 e = op_overload(sc); | |
| 8123 if (e) | |
| 8124 return e; | |
| 8125 | |
| 8126 if (e1->op == TOKslice) | |
| 8127 { SliceExp *se = (SliceExp *)e1; | |
| 8128 | |
| 8129 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8130 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8131 } | |
| 8132 | |
| 8133 e1 = e1->modifiableLvalue(sc, e1); | |
| 8134 | |
| 8135 Type *tb1 = e1->type->toBasetype(); | |
| 8136 Type *tb2 = e2->type->toBasetype(); | |
| 8137 | |
| 8138 e2->rvalue(); | |
| 8139 | |
| 8140 if ((tb1->ty == Tarray) && | |
| 8141 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8142 e2->implicitConvTo(e1->type) | |
| 8143 //e1->type->next->equals(e2->type->next) | |
| 8144 ) | |
| 8145 { // Append array | |
| 8146 e2 = e2->castTo(sc, e1->type); | |
| 8147 type = e1->type; | |
| 8148 e = this; | |
| 8149 } | |
| 8150 else if ((tb1->ty == Tarray) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8151 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8152 ) |
| 8153 { // Append element | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8154 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8155 type = e1->type; |
| 8156 e = this; | |
| 8157 } | |
| 8158 else | |
| 8159 { | |
| 8160 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8161 type = Type::tint32; | |
| 8162 e = this; | |
| 8163 } | |
| 8164 return e; | |
| 8165 } | |
| 8166 | |
| 8167 /************************************************************/ | |
| 8168 | |
| 8169 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8170 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8171 { | |
| 8172 } | |
| 8173 | |
| 8174 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8175 { Expression *e; | |
| 8176 | |
| 8177 BinExp::semantic(sc); | |
| 8178 e2 = resolveProperties(sc, e2); | |
| 8179 | |
| 8180 e = op_overload(sc); | |
| 8181 if (e) | |
| 8182 return e; | |
| 8183 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8184 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
|
8185 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8186 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
|
8187 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
|
8188 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
|
8189 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8190 |
| 159 | 8191 e1 = e1->modifiableLvalue(sc, e1); |
| 8192 e1->checkScalar(); | |
| 8193 e1->checkNoBool(); | |
| 8194 type = e1->type; | |
| 8195 typeCombine(sc); | |
| 8196 e1->checkArithmetic(); | |
| 8197 e2->checkArithmetic(); | |
| 8198 if (e2->type->isfloating()) | |
| 8199 { Type *t1; | |
| 8200 Type *t2; | |
| 8201 | |
| 8202 t1 = e1->type; | |
| 8203 t2 = e2->type; | |
| 8204 if (t1->isreal()) | |
| 8205 { | |
| 8206 if (t2->isimaginary() || t2->iscomplex()) | |
| 8207 { | |
| 8208 e2 = e2->castTo(sc, t1); | |
| 8209 } | |
| 8210 } | |
| 8211 else if (t1->isimaginary()) | |
| 8212 { | |
| 8213 if (t2->isimaginary() || t2->iscomplex()) | |
| 8214 { | |
| 8215 switch (t1->ty) | |
| 8216 { | |
| 8217 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8218 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8219 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8220 default: | |
| 8221 assert(0); | |
| 8222 } | |
| 8223 e2 = e2->castTo(sc, t2); | |
| 8224 } | |
| 8225 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8226 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8227 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8228 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8229 } |
| 8230 return this; | |
| 8231 } | |
| 8232 | |
| 8233 /************************************************************/ | |
| 8234 | |
| 8235 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8236 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8237 { | |
| 8238 } | |
| 8239 | |
| 8240 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8241 { Expression *e; | |
| 8242 | |
| 8243 BinExp::semantic(sc); | |
| 8244 e2 = resolveProperties(sc, e2); | |
| 8245 | |
| 8246 e = op_overload(sc); | |
| 8247 if (e) | |
| 8248 return e; | |
| 8249 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8250 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
|
8251 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8252 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
|
8253 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
|
8254 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
|
8255 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8256 |
| 159 | 8257 e1 = e1->modifiableLvalue(sc, e1); |
| 8258 e1->checkScalar(); | |
| 8259 e1->checkNoBool(); | |
| 8260 type = e1->type; | |
| 8261 typeCombine(sc); | |
| 8262 e1->checkArithmetic(); | |
| 8263 e2->checkArithmetic(); | |
| 8264 if (e2->type->isimaginary()) | |
| 8265 { Type *t1; | |
| 8266 Type *t2; | |
| 8267 | |
| 8268 t1 = e1->type; | |
| 8269 if (t1->isreal()) | |
| 8270 { // x/iv = i(-x/v) | |
| 8271 // Therefore, the result is 0 | |
| 8272 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8273 e2->type = t1; | |
| 8274 e = new AssignExp(loc, e1, e2); | |
| 8275 e->type = t1; | |
| 8276 return e; | |
| 8277 } | |
| 8278 else if (t1->isimaginary()) | |
| 8279 { Expression *e; | |
| 8280 | |
| 8281 switch (t1->ty) | |
| 8282 { | |
| 8283 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8284 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8285 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8286 default: | |
| 8287 assert(0); | |
| 8288 } | |
| 8289 e2 = e2->castTo(sc, t2); | |
| 8290 e = new AssignExp(loc, e1, e2); | |
| 8291 e->type = t1; | |
| 8292 return e; | |
| 8293 } | |
| 8294 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8295 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8296 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8297 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8298 |
| 159 | 8299 return this; |
| 8300 } | |
| 8301 | |
| 8302 /************************************************************/ | |
| 8303 | |
| 8304 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8305 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8306 { | |
| 8307 } | |
| 8308 | |
| 8309 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8310 { | |
| 8311 return commonSemanticAssign(sc); | |
| 8312 } | |
| 8313 | |
| 8314 /************************************************************/ | |
| 8315 | |
| 8316 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8317 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8318 { | |
| 8319 } | |
| 8320 | |
| 8321 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8322 { Expression *e; | |
| 8323 | |
| 8324 //printf("ShlAssignExp::semantic()\n"); | |
| 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 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8347 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8348 { | |
| 8349 } | |
| 8350 | |
| 8351 Expression *ShrAssignExp::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 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8376 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8377 { | |
| 8378 } | |
| 8379 | |
| 8380 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8381 { Expression *e; | |
| 8382 | |
| 8383 BinExp::semantic(sc); | |
| 8384 e2 = resolveProperties(sc, e2); | |
| 8385 | |
| 8386 e = op_overload(sc); | |
| 8387 if (e) | |
| 8388 return e; | |
| 8389 | |
| 8390 e1 = e1->modifiableLvalue(sc, e1); | |
| 8391 e1->checkScalar(); | |
| 8392 e1->checkNoBool(); | |
| 8393 type = e1->type; | |
| 8394 typeCombine(sc); | |
| 8395 e1->checkIntegral(); | |
| 8396 e2 = e2->checkIntegral(); | |
| 8397 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8398 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8399 return this; |
| 8400 } | |
| 8401 | |
| 8402 /************************************************************/ | |
| 8403 | |
| 8404 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8405 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8406 { | |
| 8407 } | |
| 8408 | |
| 8409 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8410 { | |
| 8411 return commonSemanticAssignIntegral(sc); | |
| 8412 } | |
| 8413 | |
| 8414 /************************************************************/ | |
| 8415 | |
| 8416 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8417 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8418 { | |
| 8419 } | |
| 8420 | |
| 8421 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8422 { | |
| 8423 return commonSemanticAssignIntegral(sc); | |
| 8424 } | |
| 8425 | |
| 8426 /************************************************************/ | |
| 8427 | |
| 8428 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8429 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8430 { | |
| 8431 } | |
| 8432 | |
| 8433 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8434 { | |
| 8435 return commonSemanticAssignIntegral(sc); | |
| 8436 } | |
| 8437 | |
| 8438 /************************* AddExp *****************************/ | |
| 8439 | |
| 8440 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8441 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8442 { | |
| 8443 } | |
| 8444 | |
| 8445 Expression *AddExp::semantic(Scope *sc) | |
| 8446 { Expression *e; | |
| 8447 | |
| 8448 #if LOGSEMANTIC | |
| 8449 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8450 #endif | |
| 8451 if (!type) | |
| 8452 { | |
| 8453 BinExp::semanticp(sc); | |
| 8454 | |
| 8455 e = op_overload(sc); | |
| 8456 if (e) | |
| 8457 return e; | |
| 8458 | |
| 8459 Type *tb1 = e1->type->toBasetype(); | |
| 8460 Type *tb2 = e2->type->toBasetype(); | |
| 8461 | |
| 8462 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8463 (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
|
8464 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8465 ) |
| 8466 { | |
| 8467 type = e1->type; | |
| 8468 e = this; | |
| 8469 } | |
| 8470 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8471 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8472 e = scaleFactor(sc); | |
| 8473 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8474 { | |
| 8475 incompatibleTypes(); | |
| 8476 type = e1->type; | |
| 8477 e = this; | |
| 8478 } | |
| 8479 else | |
| 8480 { | |
| 8481 typeCombine(sc); | |
| 8482 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8483 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8484 { | |
| 8485 switch (type->toBasetype()->ty) | |
| 8486 { | |
| 8487 case Tfloat32: | |
| 8488 case Timaginary32: | |
| 8489 type = Type::tcomplex32; | |
| 8490 break; | |
| 8491 | |
| 8492 case Tfloat64: | |
| 8493 case Timaginary64: | |
| 8494 type = Type::tcomplex64; | |
| 8495 break; | |
| 8496 | |
| 8497 case Tfloat80: | |
| 8498 case Timaginary80: | |
| 8499 type = Type::tcomplex80; | |
| 8500 break; | |
| 8501 | |
| 8502 default: | |
| 8503 assert(0); | |
| 8504 } | |
| 8505 } | |
| 8506 e = this; | |
| 8507 } | |
| 8508 return e; | |
| 8509 } | |
| 8510 return this; | |
| 8511 } | |
| 8512 | |
| 8513 /************************************************************/ | |
| 8514 | |
| 8515 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8516 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8517 { | |
| 8518 } | |
| 8519 | |
| 8520 Expression *MinExp::semantic(Scope *sc) | |
| 8521 { Expression *e; | |
| 8522 Type *t1; | |
| 8523 Type *t2; | |
| 8524 | |
| 8525 #if LOGSEMANTIC | |
| 8526 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8527 #endif | |
| 8528 if (type) | |
| 8529 return this; | |
| 8530 | |
| 8531 BinExp::semanticp(sc); | |
| 8532 | |
| 8533 e = op_overload(sc); | |
| 8534 if (e) | |
| 8535 return e; | |
| 8536 | |
| 8537 e = this; | |
| 8538 t1 = e1->type->toBasetype(); | |
| 8539 t2 = e2->type->toBasetype(); | |
| 8540 if (t1->ty == Tpointer) | |
| 8541 { | |
| 8542 if (t2->ty == Tpointer) | |
| 8543 { // Need to divide the result by the stride | |
| 8544 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8545 d_int64 stride; | |
| 8546 Expression *e; | |
| 8547 | |
| 8548 typeCombine(sc); // make sure pointer types are compatible | |
| 8549 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
|
8550 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
|
8551 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
|
8552 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8553 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
|
8554 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8555 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8556 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8557 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
|
8558 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
|
8559 } |
| 159 | 8560 return e; |
| 8561 } | |
| 8562 else if (t2->isintegral()) | |
| 8563 e = scaleFactor(sc); | |
| 8564 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
|
8565 { error("incompatible types for minus"); |
| 159 | 8566 return new IntegerExp(0); |
| 8567 } | |
| 8568 } | |
| 8569 else if (t2->ty == Tpointer) | |
| 8570 { | |
| 8571 type = e2->type; | |
| 8572 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8573 return new IntegerExp(0); | |
| 8574 } | |
| 8575 else | |
| 8576 { | |
| 8577 typeCombine(sc); | |
| 8578 t1 = e1->type->toBasetype(); | |
| 8579 t2 = e2->type->toBasetype(); | |
| 8580 if ((t1->isreal() && t2->isimaginary()) || | |
| 8581 (t1->isimaginary() && t2->isreal())) | |
| 8582 { | |
| 8583 switch (type->ty) | |
| 8584 { | |
| 8585 case Tfloat32: | |
| 8586 case Timaginary32: | |
| 8587 type = Type::tcomplex32; | |
| 8588 break; | |
| 8589 | |
| 8590 case Tfloat64: | |
| 8591 case Timaginary64: | |
| 8592 type = Type::tcomplex64; | |
| 8593 break; | |
| 8594 | |
| 8595 case Tfloat80: | |
| 8596 case Timaginary80: | |
| 8597 type = Type::tcomplex80; | |
| 8598 break; | |
| 8599 | |
| 8600 default: | |
| 8601 assert(0); | |
| 8602 } | |
| 8603 } | |
| 8604 } | |
| 8605 return e; | |
| 8606 } | |
| 8607 | |
| 8608 /************************* CatExp *****************************/ | |
| 8609 | |
| 8610 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8611 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8612 { | |
| 8613 } | |
| 8614 | |
| 8615 Expression *CatExp::semantic(Scope *sc) | |
| 8616 { Expression *e; | |
| 8617 | |
| 8618 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8619 if (!type) | |
| 8620 { | |
| 8621 BinExp::semanticp(sc); | |
| 8622 e = op_overload(sc); | |
| 8623 if (e) | |
| 8624 return e; | |
| 8625 | |
| 8626 Type *tb1 = e1->type->toBasetype(); | |
| 8627 Type *tb2 = e2->type->toBasetype(); | |
| 8628 | |
| 8629 | |
| 8630 /* BUG: Should handle things like: | |
| 8631 * char c; | |
| 8632 * c ~ ' ' | |
| 8633 * ' ' ~ c; | |
| 8634 */ | |
| 8635 | |
| 8636 #if 0 | |
| 8637 e1->type->print(); | |
| 8638 e2->type->print(); | |
| 8639 #endif | |
| 8640 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8641 e2->type->equals(tb1->next)) | |
| 8642 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8643 type = tb1->nextOf()->arrayOf(); |
| 159 | 8644 if (tb2->ty == Tarray) |
| 8645 { // Make e2 into [e2] | |
| 8646 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8647 e2->type = type; | |
| 8648 } | |
| 8649 return this; | |
| 8650 } | |
| 8651 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8652 e1->type->equals(tb2->next)) | |
| 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 type = tb2->nextOf()->arrayOf(); |
| 159 | 8655 if (tb1->ty == Tarray) |
| 8656 { // Make e1 into [e1] | |
| 8657 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8658 e1->type = type; | |
| 8659 } | |
| 8660 return this; | |
| 8661 } | |
| 8662 | |
| 8663 typeCombine(sc); | |
| 8664 | |
| 8665 if (type->toBasetype()->ty == Tsarray) | |
| 8666 type = type->toBasetype()->next->arrayOf(); | |
| 8667 #if 0 | |
| 8668 e1->type->print(); | |
| 8669 e2->type->print(); | |
| 8670 type->print(); | |
| 8671 print(); | |
| 8672 #endif | |
| 8673 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8674 e = optimize(WANTvalue); | |
| 8675 else if (e1->type->equals(e2->type) && | |
| 8676 (e1->type->toBasetype()->ty == Tarray || | |
| 8677 e1->type->toBasetype()->ty == Tsarray)) | |
| 8678 { | |
| 8679 e = this; | |
| 8680 } | |
| 8681 else | |
| 8682 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8683 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8684 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8685 e1->type->toChars(), e2->type->toChars()); | |
| 8686 type = Type::tint32; | |
| 8687 e = this; | |
| 8688 } | |
| 8689 e->type = e->type->semantic(loc, sc); | |
| 8690 return e; | |
| 8691 } | |
| 8692 return this; | |
| 8693 } | |
| 8694 | |
| 8695 /************************************************************/ | |
| 8696 | |
| 8697 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8698 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8699 { | |
| 8700 } | |
| 8701 | |
| 8702 Expression *MulExp::semantic(Scope *sc) | |
| 8703 { Expression *e; | |
| 8704 | |
| 8705 #if 0 | |
| 8706 printf("MulExp::semantic() %s\n", toChars()); | |
| 8707 #endif | |
| 8708 if (type) | |
| 8709 { | |
| 8710 return this; | |
| 8711 } | |
| 8712 | |
| 8713 BinExp::semanticp(sc); | |
| 8714 e = op_overload(sc); | |
| 8715 if (e) | |
| 8716 return e; | |
| 8717 | |
| 8718 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
|
8719 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
|
8720 { 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
|
8721 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
|
8722 } |
| 159 | 8723 if (type->isfloating()) |
| 8724 { Type *t1 = e1->type; | |
| 8725 Type *t2 = e2->type; | |
| 8726 | |
| 8727 if (t1->isreal()) | |
| 8728 { | |
| 8729 type = t2; | |
| 8730 } | |
| 8731 else if (t2->isreal()) | |
| 8732 { | |
| 8733 type = t1; | |
| 8734 } | |
| 8735 else if (t1->isimaginary()) | |
| 8736 { | |
| 8737 if (t2->isimaginary()) | |
| 8738 { Expression *e; | |
| 8739 | |
| 8740 switch (t1->ty) | |
| 8741 { | |
| 8742 case Timaginary32: type = Type::tfloat32; break; | |
| 8743 case Timaginary64: type = Type::tfloat64; break; | |
| 8744 case Timaginary80: type = Type::tfloat80; break; | |
| 8745 default: assert(0); | |
| 8746 } | |
| 8747 | |
| 8748 // iy * iv = -yv | |
| 8749 e1->type = type; | |
| 8750 e2->type = type; | |
| 8751 e = new NegExp(loc, this); | |
| 8752 e = e->semantic(sc); | |
| 8753 return e; | |
| 8754 } | |
| 8755 else | |
| 8756 type = t2; // t2 is complex | |
| 8757 } | |
| 8758 else if (t2->isimaginary()) | |
| 8759 { | |
| 8760 type = t1; // t1 is complex | |
| 8761 } | |
| 8762 } | |
| 8763 return this; | |
| 8764 } | |
| 8765 | |
| 8766 /************************************************************/ | |
| 8767 | |
| 8768 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8769 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8770 { | |
| 8771 } | |
| 8772 | |
| 8773 Expression *DivExp::semantic(Scope *sc) | |
| 8774 { Expression *e; | |
| 8775 | |
| 8776 if (type) | |
| 8777 return this; | |
| 8778 | |
| 8779 BinExp::semanticp(sc); | |
| 8780 e = op_overload(sc); | |
| 8781 if (e) | |
| 8782 return e; | |
| 8783 | |
| 8784 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
|
8785 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
|
8786 { 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
|
8787 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
|
8788 } |
| 159 | 8789 if (type->isfloating()) |
| 8790 { Type *t1 = e1->type; | |
| 8791 Type *t2 = e2->type; | |
| 8792 | |
| 8793 if (t1->isreal()) | |
| 8794 { | |
| 8795 type = t2; | |
| 8796 if (t2->isimaginary()) | |
| 8797 { Expression *e; | |
| 8798 | |
| 8799 // x/iv = i(-x/v) | |
| 8800 e2->type = t1; | |
| 8801 e = new NegExp(loc, this); | |
| 8802 e = e->semantic(sc); | |
| 8803 return e; | |
| 8804 } | |
| 8805 } | |
| 8806 else if (t2->isreal()) | |
| 8807 { | |
| 8808 type = t1; | |
| 8809 } | |
| 8810 else if (t1->isimaginary()) | |
| 8811 { | |
| 8812 if (t2->isimaginary()) | |
| 8813 { | |
| 8814 switch (t1->ty) | |
| 8815 { | |
| 8816 case Timaginary32: type = Type::tfloat32; break; | |
| 8817 case Timaginary64: type = Type::tfloat64; break; | |
| 8818 case Timaginary80: type = Type::tfloat80; break; | |
| 8819 default: assert(0); | |
| 8820 } | |
| 8821 } | |
| 8822 else | |
| 8823 type = t2; // t2 is complex | |
| 8824 } | |
| 8825 else if (t2->isimaginary()) | |
| 8826 { | |
| 8827 type = t1; // t1 is complex | |
| 8828 } | |
| 8829 } | |
| 8830 return this; | |
| 8831 } | |
| 8832 | |
| 8833 /************************************************************/ | |
| 8834 | |
| 8835 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8836 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8837 { | |
| 8838 } | |
| 8839 | |
| 8840 Expression *ModExp::semantic(Scope *sc) | |
| 8841 { Expression *e; | |
| 8842 | |
| 8843 if (type) | |
| 8844 return this; | |
| 8845 | |
| 8846 BinExp::semanticp(sc); | |
| 8847 e = op_overload(sc); | |
| 8848 if (e) | |
| 8849 return e; | |
| 8850 | |
| 8851 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
|
8852 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
|
8853 { 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
|
8854 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
|
8855 } |
| 159 | 8856 if (type->isfloating()) |
| 8857 { type = e1->type; | |
| 8858 if (e2->type->iscomplex()) | |
| 8859 { error("cannot perform modulo complex arithmetic"); | |
| 8860 return new IntegerExp(0); | |
| 8861 } | |
| 8862 } | |
| 8863 return this; | |
| 8864 } | |
| 8865 | |
| 8866 /************************************************************/ | |
| 8867 | |
| 8868 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8869 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8870 { | |
| 8871 } | |
| 8872 | |
| 8873 Expression *ShlExp::semantic(Scope *sc) | |
| 8874 { Expression *e; | |
| 8875 | |
| 8876 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8877 if (!type) | |
| 8878 { BinExp::semanticp(sc); | |
| 8879 e = op_overload(sc); | |
| 8880 if (e) | |
| 8881 return e; | |
| 8882 e1 = e1->checkIntegral(); | |
| 8883 e2 = e2->checkIntegral(); | |
| 8884 e1 = e1->integralPromotions(sc); | |
| 8885 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8886 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8887 type = e1->type; |
| 8888 } | |
| 8889 return this; | |
| 8890 } | |
| 8891 | |
| 8892 /************************************************************/ | |
| 8893 | |
| 8894 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8895 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8896 { | |
| 8897 } | |
| 8898 | |
| 8899 Expression *ShrExp::semantic(Scope *sc) | |
| 8900 { Expression *e; | |
| 8901 | |
| 8902 if (!type) | |
| 8903 { BinExp::semanticp(sc); | |
| 8904 e = op_overload(sc); | |
| 8905 if (e) | |
| 8906 return e; | |
| 8907 e1 = e1->checkIntegral(); | |
| 8908 e2 = e2->checkIntegral(); | |
| 8909 e1 = e1->integralPromotions(sc); | |
| 8910 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8911 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8912 type = e1->type; |
| 8913 } | |
| 8914 return this; | |
| 8915 } | |
| 8916 | |
| 8917 /************************************************************/ | |
| 8918 | |
| 8919 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8920 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8921 { | |
| 8922 } | |
| 8923 | |
| 8924 Expression *UshrExp::semantic(Scope *sc) | |
| 8925 { Expression *e; | |
| 8926 | |
| 8927 if (!type) | |
| 8928 { BinExp::semanticp(sc); | |
| 8929 e = op_overload(sc); | |
| 8930 if (e) | |
| 8931 return e; | |
| 8932 e1 = e1->checkIntegral(); | |
| 8933 e2 = e2->checkIntegral(); | |
| 8934 e1 = e1->integralPromotions(sc); | |
| 8935 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8936 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8937 type = e1->type; |
| 8938 } | |
| 8939 return this; | |
| 8940 } | |
| 8941 | |
| 8942 /************************************************************/ | |
| 8943 | |
| 8944 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8945 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8946 { | |
| 8947 } | |
| 8948 | |
| 8949 Expression *AndExp::semantic(Scope *sc) | |
| 8950 { Expression *e; | |
| 8951 | |
| 8952 if (!type) | |
| 8953 { BinExp::semanticp(sc); | |
| 8954 e = op_overload(sc); | |
| 8955 if (e) | |
| 8956 return e; | |
| 8957 if (e1->type->toBasetype()->ty == Tbool && | |
| 8958 e2->type->toBasetype()->ty == Tbool) | |
| 8959 { | |
| 8960 type = e1->type; | |
| 8961 e = this; | |
| 8962 } | |
| 8963 else | |
| 8964 { | |
| 8965 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
|
8966 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
|
8967 { 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
|
8968 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
|
8969 } |
| 159 | 8970 } |
| 8971 } | |
| 8972 return this; | |
| 8973 } | |
| 8974 | |
| 8975 /************************************************************/ | |
| 8976 | |
| 8977 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8978 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8979 { | |
| 8980 } | |
| 8981 | |
| 8982 Expression *OrExp::semantic(Scope *sc) | |
| 8983 { Expression *e; | |
| 8984 | |
| 8985 if (!type) | |
| 8986 { BinExp::semanticp(sc); | |
| 8987 e = op_overload(sc); | |
| 8988 if (e) | |
| 8989 return e; | |
| 8990 if (e1->type->toBasetype()->ty == Tbool && | |
| 8991 e2->type->toBasetype()->ty == Tbool) | |
| 8992 { | |
| 8993 type = e1->type; | |
| 8994 e = this; | |
| 8995 } | |
| 8996 else | |
| 8997 { | |
| 8998 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
|
8999 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
|
9000 { 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
|
9001 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
|
9002 } |
| 159 | 9003 } |
| 9004 } | |
| 9005 return this; | |
| 9006 } | |
| 9007 | |
| 9008 /************************************************************/ | |
| 9009 | |
| 9010 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9011 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9012 { | |
| 9013 } | |
| 9014 | |
| 9015 Expression *XorExp::semantic(Scope *sc) | |
| 9016 { Expression *e; | |
| 9017 | |
| 9018 if (!type) | |
| 9019 { BinExp::semanticp(sc); | |
| 9020 e = op_overload(sc); | |
| 9021 if (e) | |
| 9022 return e; | |
| 9023 if (e1->type->toBasetype()->ty == Tbool && | |
| 9024 e2->type->toBasetype()->ty == Tbool) | |
| 9025 { | |
| 9026 type = e1->type; | |
| 9027 e = this; | |
| 9028 } | |
| 9029 else | |
| 9030 { | |
| 9031 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
|
9032 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
|
9033 { 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
|
9034 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
|
9035 } |
| 159 | 9036 } |
| 9037 } | |
| 9038 return this; | |
| 9039 } | |
| 9040 | |
| 9041 | |
| 9042 /************************************************************/ | |
| 9043 | |
| 9044 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9045 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9046 { | |
| 9047 } | |
| 9048 | |
| 9049 Expression *OrOrExp::semantic(Scope *sc) | |
| 9050 { | |
| 9051 unsigned cs1; | |
| 9052 | |
| 9053 // same as for AndAnd | |
| 9054 e1 = e1->semantic(sc); | |
| 9055 e1 = resolveProperties(sc, e1); | |
| 9056 e1 = e1->checkToPointer(); | |
| 9057 e1 = e1->checkToBoolean(); | |
| 9058 cs1 = sc->callSuper; | |
| 9059 | |
| 9060 if (sc->flags & SCOPEstaticif) | |
| 9061 { | |
| 9062 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9063 */ | |
| 9064 e1 = e1->optimize(WANTflags); | |
| 9065 if (e1->isBool(TRUE)) | |
| 9066 { | |
| 9067 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9068 } | |
| 9069 } | |
| 9070 | |
| 9071 e2 = e2->semantic(sc); | |
| 9072 sc->mergeCallSuper(loc, cs1); | |
| 9073 e2 = resolveProperties(sc, e2); | |
| 9074 e2 = e2->checkToPointer(); | |
| 9075 | |
| 9076 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
|
9077 if (e2->type->ty == Tvoid) |
| 159 | 9078 type = Type::tvoid; |
| 9079 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9080 error("%s is not an expression", e2->toChars()); | |
| 9081 return this; | |
| 9082 } | |
| 9083 | |
| 9084 Expression *OrOrExp::checkToBoolean() | |
| 9085 { | |
| 9086 e2 = e2->checkToBoolean(); | |
| 9087 return this; | |
| 9088 } | |
| 9089 | |
| 9090 int OrOrExp::isBit() | |
| 9091 { | |
| 9092 return TRUE; | |
| 9093 } | |
| 9094 | |
| 9095 int OrOrExp::checkSideEffect(int flag) | |
| 9096 { | |
| 9097 if (flag == 2) | |
| 9098 { | |
| 9099 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9100 } | |
| 9101 else | |
| 9102 { e1->checkSideEffect(1); | |
| 9103 return e2->checkSideEffect(flag); | |
| 9104 } | |
| 9105 } | |
| 9106 | |
| 9107 /************************************************************/ | |
| 9108 | |
| 9109 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9110 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9111 { | |
| 9112 } | |
| 9113 | |
| 9114 Expression *AndAndExp::semantic(Scope *sc) | |
| 9115 { | |
| 9116 unsigned cs1; | |
| 9117 | |
| 9118 // same as for OrOr | |
| 9119 e1 = e1->semantic(sc); | |
| 9120 e1 = resolveProperties(sc, e1); | |
| 9121 e1 = e1->checkToPointer(); | |
| 9122 e1 = e1->checkToBoolean(); | |
| 9123 cs1 = sc->callSuper; | |
| 9124 | |
| 9125 if (sc->flags & SCOPEstaticif) | |
| 9126 { | |
| 9127 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9128 */ | |
| 9129 e1 = e1->optimize(WANTflags); | |
| 9130 if (e1->isBool(FALSE)) | |
| 9131 { | |
| 9132 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9133 } | |
| 9134 } | |
| 9135 | |
| 9136 e2 = e2->semantic(sc); | |
| 9137 sc->mergeCallSuper(loc, cs1); | |
| 9138 e2 = resolveProperties(sc, e2); | |
| 9139 e2 = e2->checkToPointer(); | |
| 9140 | |
| 9141 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
|
9142 if (e2->type->ty == Tvoid) |
| 159 | 9143 type = Type::tvoid; |
| 9144 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9145 error("%s is not an expression", e2->toChars()); | |
| 9146 return this; | |
| 9147 } | |
| 9148 | |
| 9149 Expression *AndAndExp::checkToBoolean() | |
| 9150 { | |
| 9151 e2 = e2->checkToBoolean(); | |
| 9152 return this; | |
| 9153 } | |
| 9154 | |
| 9155 int AndAndExp::isBit() | |
| 9156 { | |
| 9157 return TRUE; | |
| 9158 } | |
| 9159 | |
| 9160 int AndAndExp::checkSideEffect(int flag) | |
| 9161 { | |
| 9162 if (flag == 2) | |
| 9163 { | |
| 9164 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9165 } | |
| 9166 else | |
| 9167 { | |
| 9168 e1->checkSideEffect(1); | |
| 9169 return e2->checkSideEffect(flag); | |
| 9170 } | |
| 9171 } | |
| 9172 | |
| 9173 /************************************************************/ | |
| 9174 | |
| 9175 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9176 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9177 { | |
| 9178 } | |
| 9179 | |
| 9180 Expression *InExp::semantic(Scope *sc) | |
| 9181 { Expression *e; | |
| 9182 | |
| 9183 if (type) | |
| 9184 return this; | |
| 9185 | |
| 9186 BinExp::semanticp(sc); | |
| 9187 e = op_overload(sc); | |
| 9188 if (e) | |
| 9189 return e; | |
| 9190 | |
| 9191 //type = Type::tboolean; | |
| 9192 Type *t2b = e2->type->toBasetype(); | |
| 9193 if (t2b->ty != Taarray) | |
| 9194 { | |
| 9195 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9196 type = Type::terror; | |
| 9197 } | |
| 9198 else | |
| 9199 { | |
| 9200 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9201 | |
| 9202 // Convert key to type of key | |
| 9203 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9204 | |
| 9205 // 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
|
9206 type = ta->nextOf()->pointerTo(); |
| 159 | 9207 } |
| 9208 return this; | |
| 9209 } | |
| 9210 | |
| 9211 int InExp::isBit() | |
| 9212 { | |
| 9213 return FALSE; | |
| 9214 } | |
| 9215 | |
| 9216 | |
| 9217 /************************************************************/ | |
| 9218 | |
| 9219 /* This deletes the key e1 from the associative array e2 | |
| 9220 */ | |
| 9221 | |
| 9222 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9223 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9224 { | |
| 9225 type = Type::tvoid; | |
| 9226 } | |
| 9227 | |
| 9228 /************************************************************/ | |
| 9229 | |
| 9230 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9231 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9232 { | |
| 9233 } | |
| 9234 | |
| 9235 Expression *CmpExp::semantic(Scope *sc) | |
| 9236 { Expression *e; | |
| 9237 Type *t1; | |
| 9238 Type *t2; | |
| 9239 | |
| 9240 #if LOGSEMANTIC | |
| 9241 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9242 #endif | |
| 9243 if (type) | |
| 9244 return this; | |
| 9245 | |
| 9246 BinExp::semanticp(sc); | |
| 9247 | |
| 9248 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9249 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9250 { | |
| 9251 error("do not use null when comparing class types"); | |
| 9252 } | |
| 9253 | |
| 9254 e = op_overload(sc); | |
| 9255 if (e) | |
| 9256 { | |
| 9257 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9258 e = e->semantic(sc); | |
| 9259 return e; | |
| 9260 } | |
| 9261 | |
| 9262 typeCombine(sc); | |
| 9263 type = Type::tboolean; | |
| 9264 | |
| 9265 // Special handling for array comparisons | |
| 9266 t1 = e1->type->toBasetype(); | |
| 9267 t2 = e2->type->toBasetype(); | |
| 9268 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9269 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9270 { | |
| 9271 if (!t1->next->equals(t2->next)) | |
| 9272 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9273 e = this; | |
| 9274 } | |
| 9275 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9276 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9277 { | |
| 9278 if (t2->ty == Tstruct) | |
| 9279 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9280 else | |
| 9281 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9282 e = this; | |
| 9283 } | |
| 9284 #if 1 | |
| 9285 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9286 { | |
| 9287 error("compare not defined for complex operands"); | |
| 9288 e = new IntegerExp(0); | |
| 9289 } | |
| 9290 #endif | |
| 9291 else | |
| 9292 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
|
9293 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9294 return e; |
| 9295 } | |
| 9296 | |
| 9297 int CmpExp::isBit() | |
| 9298 { | |
| 9299 return TRUE; | |
| 9300 } | |
| 9301 | |
| 9302 | |
| 9303 /************************************************************/ | |
| 9304 | |
| 9305 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9306 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9307 { | |
| 9308 assert(op == TOKequal || op == TOKnotequal); | |
| 9309 } | |
| 9310 | |
| 9311 Expression *EqualExp::semantic(Scope *sc) | |
| 9312 { Expression *e; | |
| 9313 Type *t1; | |
| 9314 Type *t2; | |
| 9315 | |
| 9316 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9317 if (type) | |
| 9318 return this; | |
| 9319 | |
| 9320 BinExp::semanticp(sc); | |
| 9321 | |
| 9322 /* Before checking for operator overloading, check to see if we're | |
| 9323 * comparing the addresses of two statics. If so, we can just see | |
| 9324 * if they are the same symbol. | |
| 9325 */ | |
| 9326 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9327 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9328 AddrExp *ae2 = (AddrExp *)e2; | |
| 9329 | |
| 9330 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9331 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9332 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9333 | |
| 9334 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9335 { | |
| 9336 // They are the same, result is 'true' for ==, 'false' for != | |
| 9337 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9338 return e; | |
| 9339 } | |
| 9340 } | |
| 9341 } | |
| 9342 | |
| 9343 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9344 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9345 { | |
| 9346 error("use '%s' instead of '%s' when comparing with null", | |
| 9347 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9348 Token::toChars(op)); | |
| 9349 } | |
| 9350 | |
| 9351 //if (e2->op != TOKnull) | |
| 9352 { | |
| 9353 e = op_overload(sc); | |
| 9354 if (e) | |
| 9355 { | |
| 9356 if (op == TOKnotequal) | |
| 9357 { | |
| 9358 e = new NotExp(e->loc, e); | |
| 9359 e = e->semantic(sc); | |
| 9360 } | |
| 9361 return e; | |
| 9362 } | |
| 9363 } | |
| 9364 | |
| 9365 e = typeCombine(sc); | |
| 9366 type = Type::tboolean; | |
| 9367 | |
| 9368 // Special handling for array comparisons | |
| 9369 t1 = e1->type->toBasetype(); | |
| 9370 t2 = e2->type->toBasetype(); | |
| 9371 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9372 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9373 { | |
| 9374 if (!t1->next->equals(t2->next)) | |
| 9375 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9376 } | |
| 9377 else | |
| 9378 { | |
| 9379 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9380 { | |
| 9381 // Cast both to complex | |
| 9382 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9383 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9384 } | |
| 9385 } | |
| 9386 return e; | |
| 9387 } | |
| 9388 | |
| 9389 int EqualExp::isBit() | |
| 9390 { | |
| 9391 return TRUE; | |
| 9392 } | |
| 9393 | |
| 9394 | |
| 9395 | |
| 9396 /************************************************************/ | |
| 9397 | |
| 9398 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9399 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9400 { | |
| 9401 } | |
| 9402 | |
| 9403 Expression *IdentityExp::semantic(Scope *sc) | |
| 9404 { | |
| 9405 if (type) | |
| 9406 return this; | |
| 9407 | |
| 9408 BinExp::semanticp(sc); | |
| 9409 type = Type::tboolean; | |
| 9410 typeCombine(sc); | |
| 9411 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9412 { | |
| 9413 // Cast both to complex | |
| 9414 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9415 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9416 } | |
| 9417 return this; | |
| 9418 } | |
| 9419 | |
| 9420 int IdentityExp::isBit() | |
| 9421 { | |
| 9422 return TRUE; | |
| 9423 } | |
| 9424 | |
| 9425 | |
| 9426 /****************************************************************/ | |
| 9427 | |
| 9428 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9429 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9430 { | |
| 9431 this->econd = econd; | |
| 9432 } | |
| 9433 | |
| 9434 Expression *CondExp::syntaxCopy() | |
| 9435 { | |
| 9436 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9437 } | |
| 9438 | |
| 9439 | |
| 9440 Expression *CondExp::semantic(Scope *sc) | |
| 9441 { Type *t1; | |
| 9442 Type *t2; | |
| 9443 unsigned cs0; | |
| 9444 unsigned cs1; | |
| 9445 | |
| 9446 #if LOGSEMANTIC | |
| 9447 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9448 #endif | |
| 9449 if (type) | |
| 9450 return this; | |
| 9451 | |
| 9452 econd = econd->semantic(sc); | |
| 9453 econd = resolveProperties(sc, econd); | |
| 9454 econd = econd->checkToPointer(); | |
| 9455 econd = econd->checkToBoolean(); | |
| 9456 | |
| 9457 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9458 * both contribute to the type of the result. | |
| 9459 */ | |
| 9460 if (sc->flags & SCOPEstaticif) | |
| 9461 { | |
| 9462 /* If in static if, don't evaluate what we don't have to. | |
| 9463 */ | |
| 9464 econd = econd->optimize(WANTflags); | |
| 9465 if (econd->isBool(TRUE)) | |
| 9466 { | |
| 9467 e1 = e1->semantic(sc); | |
| 9468 e1 = resolveProperties(sc, e1); | |
| 9469 return e1; | |
| 9470 } | |
| 9471 else if (econd->isBool(FALSE)) | |
| 9472 { | |
| 9473 e2 = e2->semantic(sc); | |
| 9474 e2 = resolveProperties(sc, e2); | |
| 9475 return e2; | |
| 9476 } | |
| 9477 } | |
| 9478 #endif | |
| 9479 | |
| 9480 | |
| 9481 cs0 = sc->callSuper; | |
| 9482 e1 = e1->semantic(sc); | |
| 9483 e1 = resolveProperties(sc, e1); | |
| 9484 cs1 = sc->callSuper; | |
| 9485 sc->callSuper = cs0; | |
| 9486 e2 = e2->semantic(sc); | |
| 9487 e2 = resolveProperties(sc, e2); | |
| 9488 sc->mergeCallSuper(loc, cs1); | |
| 9489 | |
| 9490 | |
| 9491 // If either operand is void, the result is void | |
| 9492 t1 = e1->type; | |
| 9493 t2 = e2->type; | |
| 9494 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9495 type = Type::tvoid; | |
| 9496 else if (t1 == t2) | |
| 9497 type = t1; | |
| 9498 else | |
| 9499 { | |
| 9500 typeCombine(sc); | |
| 9501 switch (e1->type->toBasetype()->ty) | |
| 9502 { | |
| 9503 case Tcomplex32: | |
| 9504 case Tcomplex64: | |
| 9505 case Tcomplex80: | |
| 9506 e2 = e2->castTo(sc, e1->type); | |
| 9507 break; | |
| 9508 } | |
| 9509 switch (e2->type->toBasetype()->ty) | |
| 9510 { | |
| 9511 case Tcomplex32: | |
| 9512 case Tcomplex64: | |
| 9513 case Tcomplex80: | |
| 9514 e1 = e1->castTo(sc, e2->type); | |
| 9515 break; | |
| 9516 } | |
| 9517 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9518 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9519 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9520 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9521 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9522 #endif |
| 159 | 9523 return this; |
| 9524 } | |
| 9525 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9526 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9527 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9528 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9529 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9530 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9531 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9532 |
| 159 | 9533 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9534 { | |
| 9535 PtrExp *e; | |
| 9536 | |
| 9537 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9538 e = new PtrExp(loc, this, type); | |
| 9539 | |
| 9540 e1 = e1->addressOf(sc); | |
| 9541 //e1 = e1->toLvalue(sc, NULL); | |
| 9542 | |
| 9543 e2 = e2->addressOf(sc); | |
| 9544 //e2 = e2->toLvalue(sc, NULL); | |
| 9545 | |
| 9546 typeCombine(sc); | |
| 9547 | |
| 9548 type = e2->type; | |
| 9549 return e; | |
| 9550 } | |
| 9551 | |
| 9552 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9553 { | |
| 9554 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9555 return this; | |
| 9556 } | |
| 9557 | |
| 9558 void CondExp::checkEscape() | |
| 9559 { | |
| 9560 e1->checkEscape(); | |
| 9561 e2->checkEscape(); | |
| 9562 } | |
| 9563 | |
| 9564 | |
| 9565 Expression *CondExp::checkToBoolean() | |
| 9566 { | |
| 9567 e1 = e1->checkToBoolean(); | |
| 9568 e2 = e2->checkToBoolean(); | |
| 9569 return this; | |
| 9570 } | |
| 9571 | |
| 9572 int CondExp::checkSideEffect(int flag) | |
| 9573 { | |
| 9574 if (flag == 2) | |
| 9575 { | |
| 9576 return econd->checkSideEffect(2) || | |
| 9577 e1->checkSideEffect(2) || | |
| 9578 e2->checkSideEffect(2); | |
| 9579 } | |
| 9580 else | |
| 9581 { | |
| 9582 econd->checkSideEffect(1); | |
| 9583 e1->checkSideEffect(flag); | |
| 9584 return e2->checkSideEffect(flag); | |
| 9585 } | |
| 9586 } | |
| 9587 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9588 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9589 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9590 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9591 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9592 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9593 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9594 |
| 159 | 9595 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9596 { | |
| 9597 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9598 buf->writestring(" ? "); | |
| 9599 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9600 buf->writestring(" : "); | |
| 9601 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9602 } | |
| 9603 | |
|
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:
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diff
changeset
|
9604 /************************************************************/ |
|
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
|
9605 |
|
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
|
9606 #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:
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diff
changeset
|
9607 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9608 // 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
|
9609 |
|
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
|
9610 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
|
9611 : 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
|
9612 { |
|
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
|
9613 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
|
9614 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
|
9615 } |
|
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
|
9616 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9617 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
|
9618 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9619 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
|
9620 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
|
9621 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
|
9622 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9623 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9624 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
|
9625 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9626 // 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
|
9627 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
|
9628 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9629 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9630 #endif |