Mercurial > projects > ldc
annotate dmd/expression.c @ 1183:df386fd4030e
Commit requested by lindquist.
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Tue, 31 Mar 2009 03:06:19 +0200 |
| parents | ab186e535e72 |
| children | e961851fb8be |
| 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; | |
|
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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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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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|
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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|
694 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
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|
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>
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diff
changeset
|
702 #endif |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
changeset
|
703 |
|
875
330f999ade44
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|
704 #if DMDV2 |
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diff
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705 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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330f999ade44
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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); |
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708 } |
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709 #endif |
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|
710 |
| 159 | 711 // Convert lazy argument to a delegate |
| 712 if (p->storageClass & STClazy) | |
| 713 { | |
| 714 arg = arg->toDelegate(sc, p->type); | |
| 715 } | |
|
875
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|
716 #if DMDV2 |
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|
717 /* Look for arguments that cannot 'escape' from the called |
|
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diff
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|
718 * function. |
|
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diff
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|
719 */ |
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|
720 if (!tf->parameterEscapes(p)) |
|
330f999ade44
Merged DMD 1.038
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diff
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|
721 { |
|
330f999ade44
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diff
changeset
|
722 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
723 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
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diff
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|
724 */ |
|
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Merged DMD 1.038
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diff
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|
725 if (arg->op == TOKfunction) |
|
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Merged DMD 1.038
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diff
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|
726 { FuncExp *fe = (FuncExp *)arg; |
|
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diff
changeset
|
727 fe->fd->tookAddressOf = 0; |
|
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diff
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|
728 } |
|
330f999ade44
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diff
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|
729 |
|
330f999ade44
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diff
changeset
|
730 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
731 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
732 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
733 */ |
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734 else if (arg->op == TOKdelegate) |
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735 { DelegateExp *de = (DelegateExp *)arg; |
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736 if (de->e1->op == TOKvar) |
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737 { VarExp *ve = (VarExp *)de->e1; |
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738 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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739 if (f) |
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740 { f->tookAddressOf--; |
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741 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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742 } |
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743 } |
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744 } |
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745 } |
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746 #endif |
| 159 | 747 } |
| 748 else | |
| 749 { | |
| 750 | |
| 751 // If not D linkage, do promotions | |
|
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752 // LDC: don't do promotions on intrinsics |
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753 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 754 { |
| 755 // Promote bytes, words, etc., to ints | |
| 756 arg = arg->integralPromotions(sc); | |
| 757 | |
| 758 // Promote floats to doubles | |
| 759 switch (arg->type->ty) | |
| 760 { | |
| 761 case Tfloat32: | |
| 762 arg = arg->castTo(sc, Type::tfloat64); | |
| 763 break; | |
| 764 | |
| 765 case Timaginary32: | |
| 766 arg = arg->castTo(sc, Type::timaginary64); | |
| 767 break; | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 // Convert static arrays to dynamic arrays | |
| 772 tb = arg->type->toBasetype(); | |
| 773 if (tb->ty == Tsarray) | |
| 774 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 775 Type *ta = ts->next->arrayOf(); |
| 159 | 776 if (ts->size(arg->loc) == 0) |
| 777 { arg = new NullExp(arg->loc); | |
| 778 arg->type = ta; | |
| 779 } | |
| 780 else | |
| 781 arg = arg->castTo(sc, ta); | |
| 782 } | |
| 336 | 783 #if DMDV2 |
| 784 if (tb->ty == Tstruct) | |
| 785 { | |
| 786 arg = callCpCtor(loc, sc, arg); | |
| 787 } | |
| 788 | |
| 789 // Give error for overloaded function addresses | |
| 790 if (arg->op == TOKsymoff) | |
| 791 { SymOffExp *se = (SymOffExp *)arg; | |
| 792 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 793 arg->error("function %s is overloaded", arg->toChars()); | |
| 794 } | |
| 795 #endif | |
| 159 | 796 arg->rvalue(); |
| 797 } | |
| 798 arg = arg->optimize(WANTvalue); | |
| 799 arguments->data[i] = (void *) arg; | |
| 800 if (done) | |
| 801 break; | |
| 802 } | |
| 803 | |
| 804 #if !IN_LLVM | |
| 805 // If D linkage and variadic, add _arguments[] as first argument | |
| 806 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 807 { | |
| 808 Expression *e; | |
| 809 | |
| 810 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 811 arguments->dim - nparams); | |
| 812 arguments->insert(0, e); | |
| 813 } | |
| 814 #endif | |
| 815 } | |
| 816 | |
| 817 /************************************************** | |
| 818 * Write expression out to buf, but wrap it | |
| 819 * in ( ) if its precedence is less than pr. | |
| 820 */ | |
| 821 | |
| 822 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 823 { | |
| 336 | 824 //if (precedence[e->op] == 0) e->dump(0); |
|
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825 if (precedence[e->op] < pr || |
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826 /* Despite precedence, we don't allow a<b<c expressions. |
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827 * They must be parenthesized. |
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828 */ |
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|
829 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 830 { |
| 831 buf->writeByte('('); | |
| 832 e->toCBuffer(buf, hgs); | |
| 833 buf->writeByte(')'); | |
| 834 } | |
| 835 else | |
| 836 e->toCBuffer(buf, hgs); | |
| 837 } | |
| 838 | |
| 839 /************************************************** | |
| 840 * Write out argument list to buf. | |
| 841 */ | |
| 842 | |
| 843 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 844 { | |
| 845 if (arguments) | |
| 846 { | |
| 847 for (size_t i = 0; i < arguments->dim; i++) | |
| 848 { Expression *arg = (Expression *)arguments->data[i]; | |
| 849 | |
| 850 if (arg) | |
| 851 { if (i) | |
| 852 buf->writeByte(','); | |
| 853 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 854 } | |
| 855 } | |
| 856 } | |
| 857 } | |
| 858 | |
| 859 /************************************************** | |
| 860 * Write out argument types to buf. | |
| 861 */ | |
| 862 | |
| 863 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 864 { | |
| 865 if (arguments) | |
| 866 { OutBuffer argbuf; | |
| 867 | |
| 868 for (size_t i = 0; i < arguments->dim; i++) | |
| 869 { Expression *arg = (Expression *)arguments->data[i]; | |
| 870 | |
| 871 if (i) | |
| 872 buf->writeByte(','); | |
| 873 argbuf.reset(); | |
| 874 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 875 buf->write(&argbuf); | |
| 876 } | |
| 877 } | |
| 878 } | |
| 879 | |
| 880 /******************************** Expression **************************/ | |
| 881 | |
| 882 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 883 : loc(loc) | |
| 884 { | |
|
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885 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 886 this->loc = loc; |
| 887 this->op = op; | |
| 888 this->size = size; | |
| 889 type = NULL; | |
|
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890 |
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891 #if IN_LLVM |
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892 cachedLvalue = NULL; |
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893 #endif |
| 159 | 894 } |
| 895 | |
| 896 Expression *Expression::syntaxCopy() | |
| 897 { | |
| 898 //printf("Expression::syntaxCopy()\n"); | |
| 899 //dump(0); | |
| 900 return copy(); | |
| 901 } | |
| 902 | |
| 903 /********************************* | |
| 904 * Does *not* do a deep copy. | |
| 905 */ | |
| 906 | |
| 907 Expression *Expression::copy() | |
| 908 { | |
| 909 Expression *e; | |
| 910 if (!size) | |
| 911 { | |
| 912 #ifdef DEBUG | |
| 913 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 914 printf("op = %d\n", op); | |
| 915 dump(0); | |
| 916 #endif | |
| 917 assert(0); | |
| 918 } | |
| 919 e = (Expression *)mem.malloc(size); | |
|
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920 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 921 return (Expression *)memcpy(e, this, size); |
| 922 } | |
| 923 | |
| 924 /************************** | |
| 925 * Semantically analyze Expression. | |
| 926 * Determine types, fold constants, etc. | |
| 927 */ | |
| 928 | |
| 929 Expression *Expression::semantic(Scope *sc) | |
| 930 { | |
| 931 #if LOGSEMANTIC | |
| 336 | 932 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 933 #endif |
| 934 if (type) | |
| 935 type = type->semantic(loc, sc); | |
| 936 else | |
| 937 type = Type::tvoid; | |
| 938 return this; | |
| 939 } | |
| 940 | |
| 941 void Expression::print() | |
| 942 { | |
| 943 fprintf(stdmsg, "%s\n", toChars()); | |
| 944 fflush(stdmsg); | |
| 945 } | |
| 946 | |
| 947 char *Expression::toChars() | |
| 948 { OutBuffer *buf; | |
| 949 HdrGenState hgs; | |
| 950 | |
| 951 memset(&hgs, 0, sizeof(hgs)); | |
| 952 buf = new OutBuffer(); | |
| 953 toCBuffer(buf, &hgs); | |
| 954 return buf->toChars(); | |
| 955 } | |
| 956 | |
| 957 void Expression::error(const char *format, ...) | |
| 958 { | |
| 959 va_list ap; | |
| 960 va_start(ap, format); | |
| 961 ::verror(loc, format, ap); | |
| 962 va_end( ap ); | |
| 963 } | |
| 964 | |
|
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965 void Expression::warning(const char *format, ...) |
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966 { |
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967 if (global.params.warnings && !global.gag) |
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968 { |
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969 va_list ap; |
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970 va_start(ap, format); |
|
1124
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|
971 ::vwarning(loc, format, ap); |
|
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972 va_end( ap ); |
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973 } |
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974 } |
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975 |
| 159 | 976 void Expression::rvalue() |
| 977 { | |
| 978 if (type && type->toBasetype()->ty == Tvoid) | |
| 979 { error("expression %s is void and has no value", toChars()); | |
| 980 #if 0 | |
| 981 dump(0); | |
| 982 halt(); | |
| 983 #endif | |
| 336 | 984 type = Type::tint32; |
| 159 | 985 } |
| 986 } | |
| 987 | |
| 988 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 989 { | |
| 990 if (e1) | |
| 991 { | |
| 992 if (e2) | |
| 993 { | |
| 994 e1 = new CommaExp(e1->loc, e1, e2); | |
| 995 e1->type = e2->type; | |
| 996 } | |
| 997 } | |
| 998 else | |
| 999 e1 = e2; | |
| 1000 return e1; | |
| 1001 } | |
| 1002 | |
| 1003 integer_t Expression::toInteger() | |
| 1004 { | |
| 1005 //printf("Expression %s\n", Token::toChars(op)); | |
| 1006 error("Integer constant expression expected instead of %s", toChars()); | |
| 1007 return 0; | |
| 1008 } | |
| 1009 | |
| 1010 uinteger_t Expression::toUInteger() | |
| 1011 { | |
| 1012 //printf("Expression %s\n", Token::toChars(op)); | |
| 1013 return (uinteger_t)toInteger(); | |
| 1014 } | |
| 1015 | |
| 1016 real_t Expression::toReal() | |
| 1017 { | |
| 1018 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1019 return 0; | |
| 1020 } | |
| 1021 | |
| 1022 real_t Expression::toImaginary() | |
| 1023 { | |
| 1024 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1025 return 0; | |
| 1026 } | |
| 1027 | |
| 1028 complex_t Expression::toComplex() | |
| 1029 { | |
| 1030 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1031 #ifdef IN_GCC | |
| 1032 return complex_t(real_t(0)); // %% nicer | |
| 1033 #else | |
| 1034 return 0; | |
| 1035 #endif | |
| 1036 } | |
| 1037 | |
| 1038 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1039 { | |
| 1040 buf->writestring(Token::toChars(op)); | |
| 1041 } | |
| 1042 | |
| 1043 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1044 { | |
| 1045 error("expression %s is not a valid template value argument", toChars()); | |
| 1046 } | |
| 1047 | |
|
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1048 /*************************************** |
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1049 * Return !=0 if expression is an lvalue. |
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1050 */ |
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1051 #if DMDV2 |
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1052 int Expression::isLvalue() |
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1053 { |
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1054 return 0; |
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1055 } |
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1056 #endif |
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1057 |
| 159 | 1058 /******************************* |
| 1059 * Give error if we're not an lvalue. | |
| 1060 * If we can, convert expression to be an lvalue. | |
| 1061 */ | |
| 1062 | |
| 1063 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1064 { | |
| 1065 if (!e) | |
| 1066 e = this; | |
| 1067 else if (!loc.filename) | |
| 1068 loc = e->loc; | |
| 1069 error("%s is not an lvalue", e->toChars()); | |
| 1070 return this; | |
| 1071 } | |
| 1072 | |
| 1073 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1074 { | |
|
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1075 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1076 |
| 159 | 1077 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1078 #if DMDV2 |
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1079 if (type && (!type->isMutable() || !type->isAssignable())) |
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1080 error("%s is not mutable", e->toChars()); |
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1081 #endif |
| 159 | 1082 return toLvalue(sc, e); |
| 1083 } | |
| 1084 | |
| 1085 /************************************ | |
| 1086 * Detect cases where pointers to the stack can 'escape' the | |
| 1087 * lifetime of the stack frame. | |
| 1088 */ | |
| 1089 | |
| 1090 void Expression::checkEscape() | |
| 1091 { | |
| 1092 } | |
| 1093 | |
| 1094 void Expression::checkScalar() | |
| 1095 { | |
| 1096 if (!type->isscalar()) | |
| 1097 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1098 } | |
| 1099 | |
| 1100 void Expression::checkNoBool() | |
| 1101 { | |
| 1102 if (type->toBasetype()->ty == Tbool) | |
| 1103 error("operation not allowed on bool '%s'", toChars()); | |
| 1104 } | |
| 1105 | |
| 1106 Expression *Expression::checkIntegral() | |
| 1107 { | |
| 1108 if (!type->isintegral()) | |
| 1109 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1110 return new IntegerExp(0); | |
| 1111 } | |
| 1112 return this; | |
| 1113 } | |
| 1114 | |
| 1115 Expression *Expression::checkArithmetic() | |
| 1116 { | |
| 1117 if (!type->isintegral() && !type->isfloating()) | |
| 1118 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1119 return new IntegerExp(0); | |
| 1120 } | |
| 1121 return this; | |
| 1122 } | |
| 1123 | |
| 1124 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1125 { | |
| 1126 s->checkDeprecated(loc, sc); | |
| 1127 } | |
| 1128 | |
|
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1129 #if DMDV2 |
|
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1130 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
|
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1131 { |
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|
1132 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
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|
1133 error("pure function '%s' cannot call impure function '%s'\n", |
|
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1134 sc->func->toChars(), f->toChars()); |
|
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|
1135 } |
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|
1136 #endif |
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|
1137 |
| 159 | 1138 /******************************** |
| 1139 * Check for expressions that have no use. | |
| 1140 * Input: | |
| 1141 * flag 0 not going to use the result, so issue error message if no | |
| 1142 * side effects | |
| 1143 * 1 the result of the expression is used, but still check | |
| 1144 * for useless subexpressions | |
| 1145 * 2 do not issue error messages, just return !=0 if expression | |
| 1146 * has side effects | |
| 1147 */ | |
| 1148 | |
| 1149 int Expression::checkSideEffect(int flag) | |
| 1150 { | |
| 1151 if (flag == 0) | |
| 1152 { if (op == TOKimport) | |
| 1153 { | |
| 1154 error("%s has no effect", toChars()); | |
| 1155 } | |
| 1156 else | |
| 1157 error("%s has no effect in expression (%s)", | |
| 1158 Token::toChars(op), toChars()); | |
| 1159 } | |
| 1160 return 0; | |
| 1161 } | |
| 1162 | |
| 1163 /***************************** | |
| 1164 * Check that expression can be tested for true or false. | |
| 1165 */ | |
| 1166 | |
| 1167 Expression *Expression::checkToBoolean() | |
| 1168 { | |
| 1169 // Default is 'yes' - do nothing | |
| 1170 | |
| 1171 #ifdef DEBUG | |
| 1172 if (!type) | |
| 1173 dump(0); | |
| 1174 #endif | |
| 1175 | |
| 1176 if (!type->checkBoolean()) | |
| 1177 { | |
| 1178 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1179 } | |
| 1180 return this; | |
| 1181 } | |
| 1182 | |
| 1183 /**************************** | |
| 1184 */ | |
| 1185 | |
| 1186 Expression *Expression::checkToPointer() | |
| 1187 { | |
| 1188 Expression *e; | |
| 1189 Type *tb; | |
| 1190 | |
| 1191 //printf("Expression::checkToPointer()\n"); | |
| 1192 e = this; | |
| 1193 | |
| 1194 // If C static array, convert to pointer | |
| 1195 tb = type->toBasetype(); | |
| 1196 if (tb->ty == Tsarray) | |
| 1197 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1198 if (ts->size(loc) == 0) | |
| 1199 e = new NullExp(loc); | |
| 1200 else | |
| 1201 e = new AddrExp(loc, this); | |
| 336 | 1202 e->type = ts->next->pointerTo(); |
| 159 | 1203 } |
| 1204 return e; | |
| 1205 } | |
| 1206 | |
| 1207 /****************************** | |
| 1208 * Take address of expression. | |
| 1209 */ | |
| 1210 | |
| 1211 Expression *Expression::addressOf(Scope *sc) | |
| 1212 { | |
| 1213 Expression *e; | |
| 1214 | |
| 1215 //printf("Expression::addressOf()\n"); | |
| 1216 e = toLvalue(sc, NULL); | |
| 1217 e = new AddrExp(loc, e); | |
| 1218 e->type = type->pointerTo(); | |
| 1219 return e; | |
| 1220 } | |
| 1221 | |
| 1222 /****************************** | |
| 1223 * If this is a reference, dereference it. | |
| 1224 */ | |
| 1225 | |
| 1226 Expression *Expression::deref() | |
| 1227 { | |
| 1228 //printf("Expression::deref()\n"); | |
| 1229 if (type->ty == Treference) | |
| 1230 { Expression *e; | |
| 1231 | |
| 1232 e = new PtrExp(loc, this); | |
| 336 | 1233 e->type = ((TypeReference *)type)->next; |
| 159 | 1234 return e; |
| 1235 } | |
| 1236 return this; | |
| 1237 } | |
| 1238 | |
| 1239 /******************************** | |
| 1240 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1241 */ | |
| 1242 | |
| 1243 int Expression::isBool(int result) | |
| 1244 { | |
| 1245 return FALSE; | |
| 1246 } | |
| 1247 | |
| 1248 /******************************** | |
| 1249 * Does this expression result in either a 1 or a 0? | |
| 1250 */ | |
| 1251 | |
| 1252 int Expression::isBit() | |
| 1253 { | |
| 1254 return FALSE; | |
| 1255 } | |
| 1256 | |
| 336 | 1257 /******************************** |
| 1258 * Can this expression throw an exception? | |
| 1259 * Valid only after semantic() pass. | |
| 1260 */ | |
| 1261 | |
| 1262 int Expression::canThrow() | |
| 1263 { | |
|
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|
1264 #if DMDV2 |
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|
1265 return FALSE; |
|
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|
1266 #else |
| 336 | 1267 return TRUE; |
|
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|
1268 #endif |
| 336 | 1269 } |
| 1270 | |
| 1271 | |
| 1272 | |
| 159 | 1273 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1274 { Expressions *a = NULL; | |
| 1275 | |
| 1276 if (exps) | |
| 1277 { | |
| 1278 a = new Expressions(); | |
| 1279 a->setDim(exps->dim); | |
| 1280 for (int i = 0; i < a->dim; i++) | |
| 1281 { Expression *e = (Expression *)exps->data[i]; | |
| 1282 | |
| 1283 e = e->syntaxCopy(); | |
| 1284 a->data[i] = e; | |
| 1285 } | |
| 1286 } | |
| 1287 return a; | |
| 1288 } | |
| 1289 | |
| 1290 /******************************** IntegerExp **************************/ | |
| 1291 | |
| 1292 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1293 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1294 { | |
| 1295 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1296 if (type && !type->isscalar()) | |
| 1297 { | |
| 336 | 1298 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1299 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1300 type = Type::terror; | |
| 1301 } | |
| 1302 this->type = type; | |
| 1303 this->value = value; | |
| 1304 } | |
| 1305 | |
| 1306 IntegerExp::IntegerExp(integer_t value) | |
| 1307 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1308 { | |
| 1309 this->type = Type::tint32; | |
| 1310 this->value = value; | |
| 1311 } | |
| 1312 | |
| 1313 int IntegerExp::equals(Object *o) | |
| 1314 { IntegerExp *ne; | |
| 1315 | |
| 1316 if (this == o || | |
| 1317 (((Expression *)o)->op == TOKint64 && | |
| 1318 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1319 value == ne->value)) | |
| 1320 return 1; | |
| 1321 return 0; | |
| 1322 } | |
| 1323 | |
| 1324 char *IntegerExp::toChars() | |
| 1325 { | |
| 1326 #if 1 | |
| 1327 return Expression::toChars(); | |
| 1328 #else | |
| 1329 static char buffer[sizeof(value) * 3 + 1]; | |
|
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|
1330 |
|
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|
1331 sprintf(buffer, "%jd", value); |
| 159 | 1332 return buffer; |
| 1333 #endif | |
| 1334 } | |
| 1335 | |
| 1336 integer_t IntegerExp::toInteger() | |
| 1337 { Type *t; | |
| 1338 | |
| 1339 t = type; | |
| 1340 while (t) | |
| 1341 { | |
| 1342 switch (t->ty) | |
| 1343 { | |
| 1344 case Tbit: | |
| 1345 case Tbool: value = (value != 0); break; | |
| 1346 case Tint8: value = (d_int8) value; break; | |
| 1347 case Tchar: | |
| 1348 case Tuns8: value = (d_uns8) value; break; | |
| 1349 case Tint16: value = (d_int16) value; break; | |
| 1350 case Twchar: | |
| 1351 case Tuns16: value = (d_uns16) value; break; | |
| 1352 case Tint32: value = (d_int32) value; break; | |
| 1353 case Tdchar: | |
| 1354 case Tuns32: value = (d_uns32) value; break; | |
| 1355 case Tint64: value = (d_int64) value; break; | |
| 1356 case Tuns64: value = (d_uns64) value; break; | |
|
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diff
changeset
|
1357 case Tpointer: |
|
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Frits van Bommel <fvbommel wxs.nl>
parents:
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diff
changeset
|
1358 // FIXME: Other pointer widths than 32 and 64? |
|
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parents:
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diff
changeset
|
1359 if (PTRSIZE == 4) |
|
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parents:
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diff
changeset
|
1360 value = (d_uns32) value; |
|
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diff
changeset
|
1361 else |
|
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parents:
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diff
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|
1362 value = (d_uns64) value; |
|
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diff
changeset
|
1363 break; |
| 159 | 1364 |
| 1365 case Tenum: | |
| 1366 { | |
| 1367 TypeEnum *te = (TypeEnum *)t; | |
| 1368 t = te->sym->memtype; | |
| 1369 continue; | |
| 1370 } | |
| 1371 | |
| 1372 case Ttypedef: | |
| 1373 { | |
| 1374 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1375 t = tt->sym->basetype; | |
| 1376 continue; | |
| 1377 } | |
| 1378 | |
| 1379 default: | |
| 336 | 1380 /* This can happen if errors, such as |
| 1381 * the type is painted on like in fromConstInitializer(). | |
| 1382 */ | |
| 1383 if (!global.errors) | |
| 1384 { type->print(); | |
| 1385 assert(0); | |
| 1386 } | |
| 159 | 1387 break; |
| 1388 } | |
| 1389 break; | |
| 1390 } | |
| 1391 return value; | |
| 1392 } | |
| 1393 | |
| 1394 real_t IntegerExp::toReal() | |
| 1395 { | |
| 1396 Type *t; | |
| 1397 | |
| 1398 toInteger(); | |
| 1399 t = type->toBasetype(); | |
| 1400 if (t->ty == Tuns64) | |
| 1401 return (real_t)(d_uns64)value; | |
| 1402 else | |
| 1403 return (real_t)(d_int64)value; | |
| 1404 } | |
| 1405 | |
| 1406 real_t IntegerExp::toImaginary() | |
| 1407 { | |
| 1408 return (real_t) 0; | |
| 1409 } | |
| 1410 | |
| 1411 complex_t IntegerExp::toComplex() | |
| 1412 { | |
| 1413 return toReal(); | |
| 1414 } | |
| 1415 | |
| 1416 int IntegerExp::isBool(int result) | |
| 1417 { | |
| 1418 return result ? value != 0 : value == 0; | |
| 1419 } | |
| 1420 | |
| 1421 Expression *IntegerExp::semantic(Scope *sc) | |
| 1422 { | |
| 1423 if (!type) | |
| 1424 { | |
| 1425 // Determine what the type of this number is | |
| 1426 integer_t number = value; | |
| 1427 | |
| 1428 if (number & 0x8000000000000000LL) | |
| 1429 type = Type::tuns64; | |
| 1430 else if (number & 0xFFFFFFFF80000000LL) | |
| 1431 type = Type::tint64; | |
| 1432 else | |
| 1433 type = Type::tint32; | |
| 1434 } | |
| 1435 else | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
1436 { if (!type->deco) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
1437 type = type->semantic(loc, sc); |
| 159 | 1438 } |
| 1439 return this; | |
| 1440 } | |
| 1441 | |
| 1442 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1443 { | |
| 1444 if (!e) | |
| 1445 e = this; | |
| 1446 else if (!loc.filename) | |
| 1447 loc = e->loc; | |
| 1448 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1449 return this; | |
| 1450 } | |
| 1451 | |
| 1452 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1453 { | |
| 1454 integer_t v = toInteger(); | |
| 1455 | |
| 1456 if (type) | |
| 1457 { Type *t = type; | |
| 1458 | |
| 1459 L1: | |
| 1460 switch (t->ty) | |
| 1461 { | |
| 1462 case Tenum: | |
| 1463 { TypeEnum *te = (TypeEnum *)t; | |
| 1464 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1465 t = te->sym->memtype; | |
| 1466 goto L1; | |
| 1467 } | |
| 1468 | |
| 1469 case Ttypedef: | |
| 1470 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1471 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1472 t = tt->sym->basetype; | |
| 1473 goto L1; | |
| 1474 } | |
| 1475 | |
| 1476 case Twchar: // BUG: need to cast(wchar) | |
| 1477 case Tdchar: // BUG: need to cast(dchar) | |
| 1478 if ((uinteger_t)v > 0xFF) | |
| 1479 { | |
| 1480 buf->printf("'\\U%08x'", v); | |
| 1481 break; | |
| 1482 } | |
| 1483 case Tchar: | |
| 1484 if (v == '\'') | |
| 1485 buf->writestring("'\\''"); | |
| 1486 else if (isprint(v) && v != '\\') | |
| 1487 buf->printf("'%c'", (int)v); | |
| 1488 else | |
| 1489 buf->printf("'\\x%02x'", (int)v); | |
| 1490 break; | |
| 1491 | |
| 1492 case Tint8: | |
| 1493 buf->writestring("cast(byte)"); | |
| 1494 goto L2; | |
| 1495 | |
| 1496 case Tint16: | |
| 1497 buf->writestring("cast(short)"); | |
| 1498 goto L2; | |
| 1499 | |
| 1500 case Tint32: | |
| 1501 L2: | |
| 1502 buf->printf("%d", (int)v); | |
| 1503 break; | |
| 1504 | |
| 1505 case Tuns8: | |
| 1506 buf->writestring("cast(ubyte)"); | |
| 1507 goto L3; | |
| 1508 | |
| 1509 case Tuns16: | |
| 1510 buf->writestring("cast(ushort)"); | |
| 1511 goto L3; | |
| 1512 | |
| 1513 case Tuns32: | |
| 1514 L3: | |
| 1515 buf->printf("%du", (unsigned)v); | |
| 1516 break; | |
| 1517 | |
| 1518 case Tint64: | |
|
1103
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- Updated to DMD frontend 1.041.
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parents:
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diff
changeset
|
1519 buf->printf("%jdL", v); |
| 159 | 1520 break; |
| 1521 | |
| 1522 case Tuns64: | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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diff
changeset
|
1523 L4: |
|
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- Updated to DMD frontend 1.041.
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parents:
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diff
changeset
|
1524 buf->printf("%juLU", v); |
| 159 | 1525 break; |
| 1526 | |
| 1527 case Tbit: | |
| 1528 case Tbool: | |
| 1529 buf->writestring((char *)(v ? "true" : "false")); | |
| 1530 break; | |
| 1531 | |
| 1532 case Tpointer: | |
| 1533 buf->writestring("cast("); | |
| 1534 buf->writestring(t->toChars()); | |
| 1535 buf->writeByte(')'); | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1536 // FIXME: Other pointer widths than 32 and 64? |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1537 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1538 goto L3; |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1539 else |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1540 goto L4; |
| 159 | 1541 |
| 1542 default: | |
| 336 | 1543 /* This can happen if errors, such as |
| 1544 * the type is painted on like in fromConstInitializer(). | |
| 1545 */ | |
| 1546 if (!global.errors) | |
| 1547 { | |
| 159 | 1548 #ifdef DEBUG |
| 336 | 1549 t->print(); |
| 159 | 1550 #endif |
| 336 | 1551 assert(0); |
| 1552 } | |
| 1553 break; | |
| 159 | 1554 } |
| 1555 } | |
| 1556 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1557 buf->printf("0x%jx", v); |
| 159 | 1558 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1559 buf->printf("%jd", v); |
| 159 | 1560 } |
| 1561 | |
| 1562 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1563 { | |
| 1564 if ((sinteger_t)value < 0) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1565 buf->printf("N%jd", -value); |
| 159 | 1566 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
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parents:
1012
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changeset
|
1567 buf->printf("%jd", value); |
| 159 | 1568 } |
| 1569 | |
| 1570 /******************************** RealExp **************************/ | |
| 1571 | |
| 1572 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1573 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1574 { | |
| 1575 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1576 this->value = value; | |
| 1577 this->type = type; | |
| 1578 } | |
| 1579 | |
| 1580 char *RealExp::toChars() | |
| 1581 { | |
| 1582 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1583 | |
| 1584 #ifdef IN_GCC | |
| 1585 value.format(buffer, sizeof(buffer)); | |
| 1586 if (type->isimaginary()) | |
| 1587 strcat(buffer, "i"); | |
| 1588 #else | |
| 1589 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1590 #endif | |
| 1591 assert(strlen(buffer) < sizeof(buffer)); | |
| 1592 return mem.strdup(buffer); | |
| 1593 } | |
| 1594 | |
| 1595 integer_t RealExp::toInteger() | |
| 1596 { | |
| 1597 #ifdef IN_GCC | |
| 1598 return toReal().toInt(); | |
| 1599 #else | |
| 1600 return (sinteger_t) toReal(); | |
| 1601 #endif | |
| 1602 } | |
| 1603 | |
| 1604 uinteger_t RealExp::toUInteger() | |
| 1605 { | |
| 1606 #ifdef IN_GCC | |
| 1607 return (uinteger_t) toReal().toInt(); | |
| 1608 #else | |
| 1609 return (uinteger_t) toReal(); | |
| 1610 #endif | |
| 1611 } | |
| 1612 | |
| 1613 real_t RealExp::toReal() | |
| 1614 { | |
| 1615 return type->isreal() ? value : 0; | |
| 1616 } | |
| 1617 | |
| 1618 real_t RealExp::toImaginary() | |
| 1619 { | |
| 1620 return type->isreal() ? 0 : value; | |
| 1621 } | |
| 1622 | |
| 1623 complex_t RealExp::toComplex() | |
| 1624 { | |
| 1625 #ifdef __DMC__ | |
| 1626 return toReal() + toImaginary() * I; | |
| 1627 #else | |
| 1628 return complex_t(toReal(), toImaginary()); | |
| 1629 #endif | |
| 1630 } | |
| 1631 | |
| 1632 /******************************** | |
| 1633 * Test to see if two reals are the same. | |
| 1634 * Regard NaN's as equivalent. | |
| 1635 * Regard +0 and -0 as different. | |
| 1636 */ | |
| 1637 | |
| 1638 int RealEquals(real_t x1, real_t x2) | |
| 1639 { | |
|
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1640 #if __APPLE__ |
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1641 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1642 #else |
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1643 return // special case nans |
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1644 (isnan(x1) && isnan(x2)) || |
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1645 #endif |
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1646 // and zero, in order to distinguish +0 from -0 |
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1647 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1648 // otherwise just compare |
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1649 (x1 != 0. && x1 == x2); |
| 159 | 1650 } |
| 1651 | |
| 1652 int RealExp::equals(Object *o) | |
| 1653 { RealExp *ne; | |
| 1654 | |
| 1655 if (this == o || | |
| 1656 (((Expression *)o)->op == TOKfloat64 && | |
| 1657 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1658 RealEquals(value, ne->value) | |
| 1659 ) | |
| 1660 ) | |
| 1661 return 1; | |
| 1662 return 0; | |
| 1663 } | |
| 1664 | |
| 1665 Expression *RealExp::semantic(Scope *sc) | |
| 1666 { | |
| 1667 if (!type) | |
| 1668 type = Type::tfloat64; | |
| 1669 else | |
| 1670 type = type->semantic(loc, sc); | |
| 1671 return this; | |
| 1672 } | |
| 1673 | |
| 1674 int RealExp::isBool(int result) | |
| 1675 { | |
| 1676 #ifdef IN_GCC | |
| 1677 return result ? (! value.isZero()) : (value.isZero()); | |
| 1678 #else | |
| 1679 return result ? (value != 0) | |
| 1680 : (value == 0); | |
| 1681 #endif | |
| 1682 } | |
| 1683 | |
| 1684 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1685 { | |
| 1686 /* In order to get an exact representation, try converting it | |
| 1687 * to decimal then back again. If it matches, use it. | |
| 1688 * If it doesn't, fall back to hex, which is | |
| 1689 * always exact. | |
| 1690 */ | |
| 1691 char buffer[25]; | |
| 1692 sprintf(buffer, "%Lg", value); | |
| 1693 assert(strlen(buffer) < sizeof(buffer)); | |
| 1694 #if _WIN32 && __DMC__ | |
| 1695 char *save = __locale_decpoint; | |
| 1696 __locale_decpoint = "."; | |
| 1697 real_t r = strtold(buffer, NULL); | |
| 1698 __locale_decpoint = save; | |
| 1699 #else | |
| 1700 real_t r = strtold(buffer, NULL); | |
| 1701 #endif | |
| 1702 if (r == value) // if exact duplication | |
| 1703 buf->writestring(buffer); | |
| 1704 else | |
| 1705 buf->printf("%La", value); // ensure exact duplication | |
| 1706 | |
| 1707 if (type) | |
| 1708 { | |
| 1709 Type *t = type->toBasetype(); | |
| 1710 switch (t->ty) | |
| 1711 { | |
| 1712 case Tfloat32: | |
| 1713 case Timaginary32: | |
| 1714 case Tcomplex32: | |
| 1715 buf->writeByte('F'); | |
| 1716 break; | |
| 1717 | |
| 1718 case Tfloat80: | |
| 1719 case Timaginary80: | |
| 1720 case Tcomplex80: | |
| 1721 buf->writeByte('L'); | |
| 1722 break; | |
| 1723 | |
| 1724 default: | |
| 1725 break; | |
| 1726 } | |
| 1727 if (t->isimaginary()) | |
| 1728 buf->writeByte('i'); | |
| 1729 } | |
| 1730 } | |
| 1731 | |
| 1732 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1733 { | |
| 1734 floatToBuffer(buf, type, value); | |
| 1735 } | |
| 1736 | |
| 1737 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1738 { | |
| 1739 /* Rely on %A to get portable mangling. | |
| 1740 * Must munge result to get only identifier characters. | |
| 1741 * | |
| 1742 * Possible values from %A => mangled result | |
| 1743 * NAN => NAN | |
| 1744 * -INF => NINF | |
| 1745 * INF => INF | |
| 1746 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1747 * 0X1.9P+2 => 19P2 | |
| 1748 */ | |
| 1749 | |
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1751 if (__inline_isnan(value)) |
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1752 #else |
| 159 | 1753 if (isnan(value)) |
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1754 #endif |
| 159 | 1755 buf->writestring("NAN"); // no -NAN bugs |
| 1756 else | |
| 1757 { | |
| 1758 char buffer[32]; | |
| 1759 int n = sprintf(buffer, "%LA", value); | |
| 1760 assert(n > 0 && n < sizeof(buffer)); | |
| 1761 for (int i = 0; i < n; i++) | |
| 1762 { char c = buffer[i]; | |
| 1763 | |
| 1764 switch (c) | |
| 1765 { | |
| 1766 case '-': | |
| 1767 buf->writeByte('N'); | |
| 1768 break; | |
| 1769 | |
| 1770 case '+': | |
| 1771 case 'X': | |
| 1772 case '.': | |
| 1773 break; | |
| 1774 | |
| 1775 case '0': | |
| 1776 if (i < 2) | |
| 1777 break; // skip leading 0X | |
| 1778 default: | |
| 1779 buf->writeByte(c); | |
| 1780 break; | |
| 1781 } | |
| 1782 } | |
| 1783 } | |
| 1784 } | |
| 1785 | |
| 1786 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1787 { | |
| 1788 buf->writeByte('e'); | |
| 1789 realToMangleBuffer(buf, value); | |
| 1790 } | |
| 1791 | |
| 1792 | |
| 1793 /******************************** ComplexExp **************************/ | |
| 1794 | |
| 1795 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1796 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1797 { | |
| 1798 this->value = value; | |
| 1799 this->type = type; | |
| 1800 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1801 } | |
| 1802 | |
| 1803 char *ComplexExp::toChars() | |
| 1804 { | |
| 1805 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1806 | |
| 1807 #ifdef IN_GCC | |
| 1808 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1809 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1810 creall(value).format(buf1, sizeof(buf1)); | |
| 1811 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1812 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1813 #else | |
| 1814 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1815 assert(strlen(buffer) < sizeof(buffer)); | |
| 1816 #endif | |
| 1817 return mem.strdup(buffer); | |
| 1818 } | |
| 1819 | |
| 1820 integer_t ComplexExp::toInteger() | |
| 1821 { | |
| 1822 #ifdef IN_GCC | |
| 1823 return (sinteger_t) toReal().toInt(); | |
| 1824 #else | |
| 1825 return (sinteger_t) toReal(); | |
| 1826 #endif | |
| 1827 } | |
| 1828 | |
| 1829 uinteger_t ComplexExp::toUInteger() | |
| 1830 { | |
| 1831 #ifdef IN_GCC | |
| 1832 return (uinteger_t) toReal().toInt(); | |
| 1833 #else | |
| 1834 return (uinteger_t) toReal(); | |
| 1835 #endif | |
| 1836 } | |
| 1837 | |
| 1838 real_t ComplexExp::toReal() | |
| 1839 { | |
| 1840 return creall(value); | |
| 1841 } | |
| 1842 | |
| 1843 real_t ComplexExp::toImaginary() | |
| 1844 { | |
| 1845 return cimagl(value); | |
| 1846 } | |
| 1847 | |
| 1848 complex_t ComplexExp::toComplex() | |
| 1849 { | |
| 1850 return value; | |
| 1851 } | |
| 1852 | |
| 1853 int ComplexExp::equals(Object *o) | |
| 1854 { ComplexExp *ne; | |
| 1855 | |
| 1856 if (this == o || | |
| 1857 (((Expression *)o)->op == TOKcomplex80 && | |
| 1858 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1859 RealEquals(creall(value), creall(ne->value)) && | |
| 1860 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1861 ) | |
| 1862 ) | |
| 1863 return 1; | |
| 1864 return 0; | |
| 1865 } | |
| 1866 | |
| 1867 Expression *ComplexExp::semantic(Scope *sc) | |
| 1868 { | |
| 1869 if (!type) | |
| 1870 type = Type::tcomplex80; | |
| 1871 else | |
| 1872 type = type->semantic(loc, sc); | |
| 1873 return this; | |
| 1874 } | |
| 1875 | |
| 1876 int ComplexExp::isBool(int result) | |
| 1877 { | |
| 1878 if (result) | |
| 1879 return (bool)(value); | |
| 1880 else | |
| 1881 return !value; | |
| 1882 } | |
| 1883 | |
| 1884 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1885 { | |
| 1886 /* Print as: | |
| 1887 * (re+imi) | |
| 1888 */ | |
| 1889 #ifdef IN_GCC | |
| 1890 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1891 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1892 creall(value).format(buf1, sizeof(buf1)); | |
| 1893 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1894 buf->printf("(%s+%si)", buf1, buf2); | |
| 1895 #else | |
| 1896 buf->writeByte('('); | |
| 1897 floatToBuffer(buf, type, creall(value)); | |
| 1898 buf->writeByte('+'); | |
| 1899 floatToBuffer(buf, type, cimagl(value)); | |
| 1900 buf->writestring("i)"); | |
| 1901 #endif | |
| 1902 } | |
| 1903 | |
| 1904 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1905 { | |
| 1906 buf->writeByte('c'); | |
| 1907 real_t r = toReal(); | |
| 1908 realToMangleBuffer(buf, r); | |
| 1909 buf->writeByte('c'); // separate the two | |
| 1910 r = toImaginary(); | |
| 1911 realToMangleBuffer(buf, r); | |
| 1912 } | |
| 1913 | |
| 1914 /******************************** IdentifierExp **************************/ | |
| 1915 | |
| 1916 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1917 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1918 { | |
| 1919 this->ident = ident; | |
| 1920 } | |
| 1921 | |
| 1922 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1923 { | |
| 1924 Dsymbol *s; | |
| 1925 Dsymbol *scopesym; | |
| 1926 | |
| 1927 #if LOGSEMANTIC | |
| 1928 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1929 #endif | |
| 1930 s = sc->search(loc, ident, &scopesym); | |
| 1931 if (s) | |
| 1932 { Expression *e; | |
| 1933 WithScopeSymbol *withsym; | |
| 1934 | |
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1935 /* See if the symbol was a member of an enclosing 'with' |
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1936 */ |
| 159 | 1937 withsym = scopesym->isWithScopeSymbol(); |
| 1938 if (withsym) | |
| 1939 { | |
| 1940 s = s->toAlias(); | |
| 1941 | |
| 1942 // Same as wthis.ident | |
| 1943 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1944 { | |
| 1945 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1946 e = new DotIdExp(loc, e, ident); | |
| 1947 } | |
| 1948 else | |
| 1949 { Type *t = withsym->withstate->wthis->type; | |
| 1950 if (t->ty == Tpointer) | |
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1951 t = ((TypePointer *)t)->next; |
| 159 | 1952 e = new TypeDotIdExp(loc, t, ident); |
| 1953 } | |
| 1954 } | |
| 1955 else | |
| 1956 { | |
| 1957 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1958 { // Kludge to run semantic() here because | |
| 1959 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1960 s->semantic(sc); | |
| 1961 } | |
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1962 /* If f is really a function template, |
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1963 * then replace f with the function template declaration. |
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1964 */ |
| 159 | 1965 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1966 if (f && f->parent) | |
| 1967 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1968 | |
| 1969 if (ti && | |
| 1970 !ti->isTemplateMixin() && | |
| 1971 (ti->name == f->ident || | |
| 1972 ti->toAlias()->ident == f->ident) | |
| 1973 && | |
| 1974 ti->tempdecl && ti->tempdecl->onemember) | |
| 1975 { | |
| 1976 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1977 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1978 tempdecl = tempdecl->overroot; // then get the start | |
| 1979 e = new TemplateExp(loc, tempdecl); | |
| 1980 e = e->semantic(sc); | |
| 1981 return e; | |
| 1982 } | |
| 1983 } | |
| 1984 e = new DsymbolExp(loc, s); | |
| 1985 } | |
| 1986 return e->semantic(sc); | |
| 1987 } | |
| 1988 error("undefined identifier %s", ident->toChars()); | |
| 1989 type = Type::terror; | |
| 1990 return this; | |
| 1991 } | |
| 1992 | |
| 1993 char *IdentifierExp::toChars() | |
| 1994 { | |
| 1995 return ident->toChars(); | |
| 1996 } | |
| 1997 | |
| 1998 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1999 { | |
| 2000 if (hgs->hdrgen) | |
| 2001 buf->writestring(ident->toHChars2()); | |
| 2002 else | |
| 2003 buf->writestring(ident->toChars()); | |
| 2004 } | |
| 2005 | |
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2006 #if DMDV2 |
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2007 int IdentifierExp::isLvalue() |
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2008 { |
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2009 return 1; |
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2010 } |
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2011 #endif |
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2012 |
| 159 | 2013 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2014 { | |
| 2015 #if 0 | |
| 2016 tym = tybasic(e1->ET->Tty); | |
| 2017 if (!(tyscalar(tym) || | |
| 2018 tym == TYstruct || | |
| 2019 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2020 synerr(EM_lvalue); // lvalue expected | |
| 2021 #endif | |
| 2022 return this; | |
| 2023 } | |
| 2024 | |
| 2025 /******************************** DollarExp **************************/ | |
| 2026 | |
| 2027 DollarExp::DollarExp(Loc loc) | |
| 2028 : IdentifierExp(loc, Id::dollar) | |
| 2029 { | |
| 2030 } | |
| 2031 | |
| 2032 /******************************** DsymbolExp **************************/ | |
| 2033 | |
| 2034 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2035 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2036 { | |
| 2037 this->s = s; | |
| 2038 } | |
| 2039 | |
| 2040 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2041 { | |
| 2042 #if LOGSEMANTIC | |
| 2043 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2044 #endif | |
| 2045 | |
| 2046 Lagain: | |
| 2047 EnumMember *em; | |
| 2048 Expression *e; | |
| 2049 VarDeclaration *v; | |
| 2050 FuncDeclaration *f; | |
| 2051 FuncLiteralDeclaration *fld; | |
| 2052 Declaration *d; | |
| 2053 ClassDeclaration *cd; | |
| 2054 ClassDeclaration *thiscd = NULL; | |
| 2055 Import *imp; | |
| 2056 Package *pkg; | |
| 2057 Type *t; | |
| 2058 | |
| 2059 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2060 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2061 if (type) | |
| 2062 return this; | |
| 2063 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2064 checkDeprecated(sc, s); | |
| 2065 s = s->toAlias(); | |
| 2066 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2067 if (!s->isFuncDeclaration()) | |
| 2068 checkDeprecated(sc, s); | |
| 2069 | |
| 2070 if (sc->func) | |
| 2071 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2072 | |
| 2073 // BUG: This should happen after overload resolution for functions, not before | |
| 2074 if (s->needThis()) | |
| 2075 { | |
|
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2076 if (hasThis(sc) |
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2077 #if DMDV2 |
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|
2078 && !s->isFuncDeclaration() |
|
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|
2079 #endif |
|
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diff
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|
2080 ) |
| 159 | 2081 { |
| 2082 // Supply an implicit 'this', as in | |
| 2083 // this.ident | |
| 2084 | |
| 2085 DotVarExp *de; | |
| 2086 | |
| 2087 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2088 return de->semantic(sc); | |
| 2089 } | |
| 2090 } | |
| 2091 | |
| 2092 em = s->isEnumMember(); | |
| 2093 if (em) | |
| 2094 { | |
| 2095 e = em->value->copy(); | |
| 2096 e = e->semantic(sc); | |
| 2097 return e; | |
| 2098 } | |
| 2099 v = s->isVarDeclaration(); | |
| 2100 if (v) | |
| 2101 { | |
| 2102 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2103 if (!type) | |
| 2104 { type = v->type; | |
| 2105 if (!v->type) | |
| 2106 { error("forward reference of %s", v->toChars()); | |
| 2107 type = Type::terror; | |
| 2108 } | |
| 2109 } | |
| 2110 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2111 { | |
| 2112 if (v->init) | |
| 2113 { | |
| 2114 if (v->inuse) | |
| 2115 { | |
| 2116 error("circular reference to '%s'", v->toChars()); | |
| 2117 type = Type::tint32; | |
| 2118 return this; | |
| 2119 } | |
| 2120 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2121 if (ei) | |
| 2122 { | |
| 2123 e = ei->exp->copy(); // make copy so we can change loc | |
| 2124 if (e->op == TOKstring || !e->type) | |
| 2125 e = e->semantic(sc); | |
| 2126 e = e->implicitCastTo(sc, type); | |
| 2127 e->loc = loc; | |
| 2128 return e; | |
| 2129 } | |
| 2130 } | |
| 2131 else | |
| 2132 { | |
| 2133 e = type->defaultInit(); | |
| 2134 e->loc = loc; | |
| 2135 return e; | |
| 2136 } | |
| 2137 } | |
| 2138 e = new VarExp(loc, v); | |
| 2139 e->type = type; | |
| 2140 e = e->semantic(sc); | |
| 2141 return e->deref(); | |
| 2142 } | |
| 2143 fld = s->isFuncLiteralDeclaration(); | |
| 2144 if (fld) | |
| 2145 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2146 e = new FuncExp(loc, fld); | |
| 2147 return e->semantic(sc); | |
| 2148 } | |
| 2149 f = s->isFuncDeclaration(); | |
| 2150 if (f) | |
| 2151 { //printf("'%s' is a function\n", f->toChars()); | |
| 2152 return new VarExp(loc, f); | |
| 2153 } | |
| 2154 cd = s->isClassDeclaration(); | |
| 2155 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2156 { | |
| 2157 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2158 DotTypeExp *dte; | |
| 2159 | |
| 2160 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2161 return dte->semantic(sc); | |
| 2162 } | |
| 2163 imp = s->isImport(); | |
| 2164 if (imp) | |
| 2165 { | |
| 2166 ScopeExp *ie; | |
| 2167 | |
| 2168 ie = new ScopeExp(loc, imp->pkg); | |
| 2169 return ie->semantic(sc); | |
| 2170 } | |
| 2171 pkg = s->isPackage(); | |
| 2172 if (pkg) | |
| 2173 { | |
| 2174 ScopeExp *ie; | |
| 2175 | |
| 2176 ie = new ScopeExp(loc, pkg); | |
| 2177 return ie->semantic(sc); | |
| 2178 } | |
| 2179 Module *mod = s->isModule(); | |
| 2180 if (mod) | |
| 2181 { | |
| 2182 ScopeExp *ie; | |
| 2183 | |
| 2184 ie = new ScopeExp(loc, mod); | |
| 2185 return ie->semantic(sc); | |
| 2186 } | |
| 2187 | |
| 2188 t = s->getType(); | |
| 2189 if (t) | |
| 2190 { | |
| 2191 return new TypeExp(loc, t); | |
| 2192 } | |
| 2193 | |
| 2194 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2195 if (tup) | |
| 2196 { | |
| 2197 e = new TupleExp(loc, tup); | |
| 2198 e = e->semantic(sc); | |
| 2199 return e; | |
| 2200 } | |
| 2201 | |
| 2202 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2203 if (ti && !global.errors) | |
| 2204 { if (!ti->semanticdone) | |
| 2205 ti->semantic(sc); | |
| 2206 s = ti->inst->toAlias(); | |
| 2207 if (!s->isTemplateInstance()) | |
| 2208 goto Lagain; | |
| 2209 e = new ScopeExp(loc, ti); | |
| 2210 e = e->semantic(sc); | |
| 2211 return e; | |
| 2212 } | |
| 2213 | |
| 2214 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2215 if (td) | |
| 2216 { | |
| 2217 e = new TemplateExp(loc, td); | |
| 2218 e = e->semantic(sc); | |
| 2219 return e; | |
| 2220 } | |
| 2221 | |
| 2222 Lerr: | |
| 2223 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2224 type = Type::terror; | |
| 2225 return this; | |
| 2226 } | |
| 2227 | |
| 2228 char *DsymbolExp::toChars() | |
| 2229 { | |
| 2230 return s->toChars(); | |
| 2231 } | |
| 2232 | |
| 2233 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2234 { | |
| 2235 buf->writestring(s->toChars()); | |
| 2236 } | |
| 2237 | |
|
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|
2238 #if DMDV2 |
|
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diff
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|
2239 int DsymbolExp::isLvalue() |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2240 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2241 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2242 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2243 #endif |
|
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|
2244 |
| 159 | 2245 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2246 { | |
| 2247 #if 0 | |
| 2248 tym = tybasic(e1->ET->Tty); | |
| 2249 if (!(tyscalar(tym) || | |
| 2250 tym == TYstruct || | |
| 2251 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2252 synerr(EM_lvalue); // lvalue expected | |
| 2253 #endif | |
| 2254 return this; | |
| 2255 } | |
| 2256 | |
| 2257 /******************************** ThisExp **************************/ | |
| 2258 | |
| 2259 ThisExp::ThisExp(Loc loc) | |
| 2260 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2261 { | |
| 2262 var = NULL; | |
| 2263 } | |
| 2264 | |
| 2265 Expression *ThisExp::semantic(Scope *sc) | |
| 2266 { FuncDeclaration *fd; | |
| 2267 FuncDeclaration *fdthis; | |
| 2268 int nested = 0; | |
| 2269 | |
| 2270 #if LOGSEMANTIC | |
| 2271 printf("ThisExp::semantic()\n"); | |
| 2272 #endif | |
| 2273 if (type) | |
| 2274 { //assert(global.errors || var); | |
| 2275 return this; | |
| 2276 } | |
| 2277 | |
| 2278 /* Special case for typeof(this) and typeof(super) since both | |
| 2279 * should work even if they are not inside a non-static member function | |
| 2280 */ | |
| 2281 if (sc->intypeof) | |
| 2282 { | |
| 2283 // Find enclosing struct or class | |
| 2284 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2285 { | |
| 2286 ClassDeclaration *cd; | |
| 2287 StructDeclaration *sd; | |
| 2288 | |
| 2289 if (!s) | |
| 2290 { | |
| 2291 error("%s is not in a struct or class scope", toChars()); | |
| 2292 goto Lerr; | |
| 2293 } | |
| 2294 cd = s->isClassDeclaration(); | |
| 2295 if (cd) | |
| 2296 { | |
| 2297 type = cd->type; | |
| 2298 return this; | |
| 2299 } | |
| 2300 sd = s->isStructDeclaration(); | |
| 2301 if (sd) | |
| 2302 { | |
| 2303 type = sd->type->pointerTo(); | |
| 2304 return this; | |
| 2305 } | |
| 2306 } | |
| 2307 } | |
| 2308 | |
| 2309 fdthis = sc->parent->isFuncDeclaration(); | |
| 2310 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2311 if (!fd) | |
| 2312 goto Lerr; | |
| 2313 | |
| 2314 assert(fd->vthis); | |
| 2315 var = fd->vthis; | |
| 2316 assert(var->parent); | |
| 2317 type = var->type; | |
| 2318 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2319 #if 0 | |
| 2320 if (fd != fdthis) // if nested | |
| 2321 { | |
| 2322 fdthis->getLevel(loc, fd); | |
| 2323 fd->vthis->nestedref = 1; | |
| 2324 fd->nestedFrameRef = 1; | |
| 2325 } | |
| 2326 #endif | |
| 336 | 2327 if (!sc->intypeof) |
| 2328 sc->callSuper |= CSXthis; | |
| 159 | 2329 return this; |
| 2330 | |
| 2331 Lerr: | |
|
510
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|
2332 error("'this' is only defined in non-static member functions, not %s", sc->parent->toChars()); |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
2333 type = Type::terror; |
| 159 | 2334 return this; |
| 2335 } | |
| 2336 | |
| 2337 int ThisExp::isBool(int result) | |
| 2338 { | |
| 2339 return result ? TRUE : FALSE; | |
| 2340 } | |
| 2341 | |
| 2342 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2343 { | |
| 2344 buf->writestring("this"); | |
| 2345 } | |
| 2346 | |
|
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changeset
|
2347 #if DMDV2 |
|
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|
2348 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
2349 { |
|
330f999ade44
Merged DMD 1.038
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diff
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|
2350 return 1; |
|
330f999ade44
Merged DMD 1.038
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diff
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|
2351 } |
|
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|
2352 #endif |
|
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diff
changeset
|
2353 |
| 159 | 2354 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2355 { | |
| 2356 return this; | |
| 2357 } | |
| 2358 | |
| 2359 /******************************** SuperExp **************************/ | |
| 2360 | |
| 2361 SuperExp::SuperExp(Loc loc) | |
| 2362 : ThisExp(loc) | |
| 2363 { | |
| 2364 op = TOKsuper; | |
| 2365 } | |
| 2366 | |
| 2367 Expression *SuperExp::semantic(Scope *sc) | |
| 2368 { FuncDeclaration *fd; | |
| 2369 FuncDeclaration *fdthis; | |
| 2370 ClassDeclaration *cd; | |
| 2371 Dsymbol *s; | |
| 2372 | |
| 2373 #if LOGSEMANTIC | |
| 2374 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2375 #endif | |
| 2376 if (type) | |
| 2377 return this; | |
| 2378 | |
| 2379 /* Special case for typeof(this) and typeof(super) since both | |
| 2380 * should work even if they are not inside a non-static member function | |
| 2381 */ | |
| 2382 if (sc->intypeof) | |
| 2383 { | |
| 2384 // Find enclosing class | |
| 2385 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2386 { | |
| 2387 ClassDeclaration *cd; | |
| 2388 | |
| 2389 if (!s) | |
| 2390 { | |
| 2391 error("%s is not in a class scope", toChars()); | |
| 2392 goto Lerr; | |
| 2393 } | |
| 2394 cd = s->isClassDeclaration(); | |
| 2395 if (cd) | |
| 2396 { | |
| 2397 cd = cd->baseClass; | |
| 2398 if (!cd) | |
| 2399 { error("class %s has no 'super'", s->toChars()); | |
| 2400 goto Lerr; | |
| 2401 } | |
| 2402 type = cd->type; | |
| 2403 return this; | |
| 2404 } | |
| 2405 } | |
| 2406 } | |
| 2407 | |
| 2408 fdthis = sc->parent->isFuncDeclaration(); | |
| 2409 fd = hasThis(sc); | |
| 2410 if (!fd) | |
| 2411 goto Lerr; | |
| 2412 assert(fd->vthis); | |
| 2413 var = fd->vthis; | |
| 2414 assert(var->parent); | |
| 2415 | |
| 2416 s = fd->toParent(); | |
| 2417 while (s && s->isTemplateInstance()) | |
| 2418 s = s->toParent(); | |
| 2419 assert(s); | |
| 2420 cd = s->isClassDeclaration(); | |
| 2421 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2422 if (!cd) | |
| 2423 goto Lerr; | |
| 2424 if (!cd->baseClass) | |
| 2425 { | |
| 2426 error("no base class for %s", cd->toChars()); | |
| 2427 type = fd->vthis->type; | |
| 2428 } | |
| 2429 else | |
| 2430 { | |
| 2431 type = cd->baseClass->type; | |
| 2432 } | |
| 2433 | |
| 2434 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2435 #if 0 | |
| 2436 if (fd != fdthis) | |
| 2437 { | |
| 2438 fdthis->getLevel(loc, fd); | |
| 2439 fd->vthis->nestedref = 1; | |
| 2440 fd->nestedFrameRef = 1; | |
| 2441 } | |
| 2442 #endif | |
| 2443 | |
| 336 | 2444 if (!sc->intypeof) |
| 2445 sc->callSuper |= CSXsuper; | |
| 159 | 2446 return this; |
| 2447 | |
| 2448 | |
| 2449 Lerr: | |
| 2450 error("'super' is only allowed in non-static class member functions"); | |
| 2451 type = Type::tint32; | |
| 2452 return this; | |
| 2453 } | |
| 2454 | |
| 2455 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2456 { | |
| 2457 buf->writestring("super"); | |
| 2458 } | |
| 2459 | |
| 2460 | |
| 2461 /******************************** NullExp **************************/ | |
| 2462 | |
| 2463 NullExp::NullExp(Loc loc) | |
| 2464 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2465 { | |
| 2466 committed = 0; | |
| 2467 } | |
| 2468 | |
| 2469 Expression *NullExp::semantic(Scope *sc) | |
| 2470 { | |
| 2471 #if LOGSEMANTIC | |
| 2472 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2473 #endif | |
| 2474 // NULL is the same as (void *)0 | |
| 2475 if (!type) | |
| 2476 type = Type::tvoid->pointerTo(); | |
| 2477 return this; | |
| 2478 } | |
| 2479 | |
| 2480 int NullExp::isBool(int result) | |
| 2481 { | |
| 2482 return result ? FALSE : TRUE; | |
| 2483 } | |
| 2484 | |
| 2485 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2486 { | |
| 2487 buf->writestring("null"); | |
| 2488 } | |
| 2489 | |
| 2490 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2491 { | |
| 2492 buf->writeByte('n'); | |
| 2493 } | |
| 2494 | |
| 2495 /******************************** StringExp **************************/ | |
| 2496 | |
| 2497 StringExp::StringExp(Loc loc, char *string) | |
| 2498 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2499 { | |
| 2500 this->string = string; | |
| 2501 this->len = strlen(string); | |
| 2502 this->sz = 1; | |
| 2503 this->committed = 0; | |
| 2504 this->postfix = 0; | |
| 2505 } | |
| 2506 | |
| 2507 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2508 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2509 { | |
| 2510 this->string = string; | |
| 2511 this->len = len; | |
| 2512 this->sz = 1; | |
| 2513 this->committed = 0; | |
| 2514 this->postfix = 0; | |
| 2515 } | |
| 2516 | |
| 2517 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2518 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2519 { | |
| 2520 this->string = string; | |
| 2521 this->len = len; | |
| 2522 this->sz = 1; | |
| 2523 this->committed = 0; | |
| 2524 this->postfix = postfix; | |
| 2525 } | |
| 2526 | |
| 2527 #if 0 | |
| 2528 Expression *StringExp::syntaxCopy() | |
| 2529 { | |
| 2530 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2531 return copy(); | |
| 2532 } | |
| 2533 #endif | |
| 2534 | |
| 2535 int StringExp::equals(Object *o) | |
| 2536 { | |
| 2537 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2538 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2539 { Expression *e = (Expression *)o; | |
| 2540 | |
| 2541 if (e->op == TOKstring) | |
| 2542 { | |
| 2543 return compare(o) == 0; | |
| 2544 } | |
| 2545 } | |
| 2546 return FALSE; | |
| 2547 } | |
| 2548 | |
| 2549 char *StringExp::toChars() | |
| 2550 { | |
| 2551 OutBuffer buf; | |
| 2552 HdrGenState hgs; | |
| 2553 char *p; | |
| 2554 | |
| 2555 memset(&hgs, 0, sizeof(hgs)); | |
| 2556 toCBuffer(&buf, &hgs); | |
| 2557 buf.writeByte(0); | |
| 2558 p = (char *)buf.data; | |
| 2559 buf.data = NULL; | |
| 2560 return p; | |
| 2561 } | |
| 2562 | |
| 2563 Expression *StringExp::semantic(Scope *sc) | |
| 2564 { | |
| 2565 #if LOGSEMANTIC | |
| 2566 printf("StringExp::semantic() %s\n", toChars()); | |
| 2567 #endif | |
| 2568 if (!type) | |
| 2569 { OutBuffer buffer; | |
| 2570 size_t newlen = 0; | |
|
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330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2571 const char *p; |
| 159 | 2572 size_t u; |
| 2573 unsigned c; | |
| 2574 | |
| 2575 switch (postfix) | |
| 2576 { | |
| 2577 case 'd': | |
| 2578 for (u = 0; u < len;) | |
| 2579 { | |
| 2580 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2581 if (p) | |
| 2582 { error("%s", p); | |
| 2583 break; | |
| 2584 } | |
| 2585 else | |
| 2586 { buffer.write4(c); | |
| 2587 newlen++; | |
| 2588 } | |
| 2589 } | |
| 2590 buffer.write4(0); | |
| 2591 string = buffer.extractData(); | |
| 2592 len = newlen; | |
| 2593 sz = 4; | |
| 2594 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2595 committed = 1; | |
| 2596 break; | |
| 2597 | |
| 2598 case 'w': | |
| 2599 for (u = 0; u < len;) | |
| 2600 { | |
| 2601 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2602 if (p) | |
| 2603 { error("%s", p); | |
| 2604 break; | |
| 2605 } | |
| 2606 else | |
| 2607 { buffer.writeUTF16(c); | |
| 2608 newlen++; | |
| 2609 if (c >= 0x10000) | |
| 2610 newlen++; | |
| 2611 } | |
| 2612 } | |
| 2613 buffer.writeUTF16(0); | |
| 2614 string = buffer.extractData(); | |
| 2615 len = newlen; | |
| 2616 sz = 2; | |
| 2617 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2618 committed = 1; | |
| 2619 break; | |
| 2620 | |
| 2621 case 'c': | |
| 2622 committed = 1; | |
| 2623 default: | |
| 2624 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2625 break; | |
| 2626 } | |
| 2627 type = type->semantic(loc, sc); | |
| 2628 } | |
| 2629 return this; | |
| 2630 } | |
| 2631 | |
| 2632 /**************************************** | |
| 2633 * Convert string to char[]. | |
| 2634 */ | |
| 2635 | |
| 2636 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2637 { | |
| 2638 if (sz != 1) | |
| 2639 { // Convert to UTF-8 string | |
| 2640 committed = 0; | |
| 2641 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2642 e = e->optimize(WANTvalue); | |
| 2643 assert(e->op == TOKstring); | |
| 2644 StringExp *se = (StringExp *)e; | |
| 2645 assert(se->sz == 1); | |
| 2646 return se; | |
| 2647 } | |
| 2648 return this; | |
| 2649 } | |
| 2650 | |
| 2651 int StringExp::compare(Object *obj) | |
| 2652 { | |
| 2653 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2654 StringExp *se2 = (StringExp *)(obj); | |
| 2655 | |
| 2656 // This is a kludge so isExpression() in template.c will return 5 | |
| 2657 // for StringExp's. | |
| 2658 if (!se2) | |
| 2659 return 5; | |
| 2660 | |
| 2661 assert(se2->op == TOKstring); | |
| 2662 | |
| 2663 int len1 = len; | |
| 2664 int len2 = se2->len; | |
| 2665 | |
| 2666 if (len1 == len2) | |
| 2667 { | |
| 2668 switch (sz) | |
| 2669 { | |
| 2670 case 1: | |
| 2671 return strcmp((char *)string, (char *)se2->string); | |
| 2672 | |
| 2673 case 2: | |
| 2674 { unsigned u; | |
| 2675 d_wchar *s1 = (d_wchar *)string; | |
| 2676 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2677 | |
| 2678 for (u = 0; u < len; u++) | |
| 2679 { | |
| 2680 if (s1[u] != s2[u]) | |
| 2681 return s1[u] - s2[u]; | |
| 2682 } | |
| 2683 } | |
| 2684 | |
| 2685 case 4: | |
| 2686 { unsigned u; | |
| 2687 d_dchar *s1 = (d_dchar *)string; | |
| 2688 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2689 | |
| 2690 for (u = 0; u < len; u++) | |
| 2691 { | |
| 2692 if (s1[u] != s2[u]) | |
| 2693 return s1[u] - s2[u]; | |
| 2694 } | |
| 2695 } | |
| 2696 break; | |
| 2697 | |
| 2698 default: | |
| 2699 assert(0); | |
| 2700 } | |
| 2701 } | |
| 2702 return len1 - len2; | |
| 2703 } | |
| 2704 | |
| 2705 int StringExp::isBool(int result) | |
| 2706 { | |
| 2707 return result ? TRUE : FALSE; | |
| 2708 } | |
| 2709 | |
| 2710 unsigned StringExp::charAt(size_t i) | |
| 2711 { unsigned value; | |
| 2712 | |
| 2713 switch (sz) | |
| 2714 { | |
| 2715 case 1: | |
| 2716 value = ((unsigned char *)string)[i]; | |
| 2717 break; | |
| 2718 | |
| 2719 case 2: | |
| 2720 value = ((unsigned short *)string)[i]; | |
| 2721 break; | |
| 2722 | |
| 2723 case 4: | |
| 2724 value = ((unsigned int *)string)[i]; | |
| 2725 break; | |
| 2726 | |
| 2727 default: | |
| 2728 assert(0); | |
| 2729 break; | |
| 2730 } | |
| 2731 return value; | |
| 2732 } | |
| 2733 | |
| 2734 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2735 { | |
| 2736 buf->writeByte('"'); | |
| 2737 for (size_t i = 0; i < len; i++) | |
| 2738 { unsigned c = charAt(i); | |
| 2739 | |
| 2740 switch (c) | |
| 2741 { | |
| 2742 case '"': | |
| 2743 case '\\': | |
| 2744 if (!hgs->console) | |
| 2745 buf->writeByte('\\'); | |
| 2746 default: | |
| 2747 if (c <= 0xFF) | |
| 2748 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2749 buf->writeByte(c); | |
| 2750 else | |
| 2751 buf->printf("\\x%02x", c); | |
| 2752 } | |
| 2753 else if (c <= 0xFFFF) | |
| 2754 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2755 else | |
| 2756 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2757 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2758 break; | |
| 2759 } | |
| 2760 } | |
| 2761 buf->writeByte('"'); | |
| 2762 if (postfix) | |
| 2763 buf->writeByte(postfix); | |
| 2764 } | |
| 2765 | |
| 2766 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2767 { char m; | |
| 2768 OutBuffer tmp; | |
|
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|
2769 const char *p; |
| 159 | 2770 unsigned c; |
| 2771 size_t u; | |
| 2772 unsigned char *q; | |
| 2773 unsigned qlen; | |
| 2774 | |
| 2775 /* Write string in UTF-8 format | |
| 2776 */ | |
| 2777 switch (sz) | |
| 2778 { case 1: | |
| 2779 m = 'a'; | |
| 2780 q = (unsigned char *)string; | |
| 2781 qlen = len; | |
| 2782 break; | |
| 2783 case 2: | |
| 2784 m = 'w'; | |
| 2785 for (u = 0; u < len; ) | |
| 2786 { | |
| 2787 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2788 if (p) | |
| 2789 error("%s", p); | |
| 2790 else | |
| 2791 tmp.writeUTF8(c); | |
| 2792 } | |
| 2793 q = tmp.data; | |
| 2794 qlen = tmp.offset; | |
| 2795 break; | |
| 2796 case 4: | |
| 2797 m = 'd'; | |
| 2798 for (u = 0; u < len; u++) | |
| 2799 { | |
| 2800 c = ((unsigned *)string)[u]; | |
| 2801 if (!utf_isValidDchar(c)) | |
| 2802 error("invalid UCS-32 char \\U%08x", c); | |
| 2803 else | |
| 2804 tmp.writeUTF8(c); | |
| 2805 } | |
| 2806 q = tmp.data; | |
| 2807 qlen = tmp.offset; | |
| 2808 break; | |
| 2809 default: | |
| 2810 assert(0); | |
| 2811 } | |
| 2812 buf->writeByte(m); | |
| 2813 buf->printf("%d_", qlen); | |
| 2814 for (size_t i = 0; i < qlen; i++) | |
| 2815 buf->printf("%02x", q[i]); | |
| 2816 } | |
| 2817 | |
| 2818 /************************ ArrayLiteralExp ************************************/ | |
| 2819 | |
| 2820 // [ e1, e2, e3, ... ] | |
| 2821 | |
| 2822 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2823 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2824 { | |
| 2825 this->elements = elements; | |
| 2826 } | |
| 2827 | |
| 2828 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2829 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2830 { | |
| 2831 elements = new Expressions; | |
| 2832 elements->push(e); | |
| 2833 } | |
| 2834 | |
| 2835 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2836 { | |
| 2837 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2838 } | |
| 2839 | |
| 2840 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2841 { Expression *e; | |
| 2842 Type *t0 = NULL; | |
| 2843 | |
| 2844 #if LOGSEMANTIC | |
| 2845 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2846 #endif | |
| 2847 if (type) | |
| 2848 return this; | |
| 2849 | |
| 2850 // Run semantic() on each element | |
| 2851 for (int i = 0; i < elements->dim; i++) | |
| 2852 { e = (Expression *)elements->data[i]; | |
| 2853 e = e->semantic(sc); | |
| 2854 elements->data[i] = (void *)e; | |
| 2855 } | |
| 2856 expandTuples(elements); | |
| 2857 for (int i = 0; i < elements->dim; i++) | |
| 2858 { e = (Expression *)elements->data[i]; | |
| 2859 | |
| 2860 if (!e->type) | |
| 2861 error("%s has no value", e->toChars()); | |
| 2862 e = resolveProperties(sc, e); | |
| 2863 | |
| 2864 unsigned char committed = 1; | |
| 2865 if (e->op == TOKstring) | |
| 2866 committed = ((StringExp *)e)->committed; | |
| 2867 | |
| 2868 if (!t0) | |
| 2869 { t0 = e->type; | |
| 2870 // Convert any static arrays to dynamic arrays | |
| 2871 if (t0->ty == Tsarray) | |
| 2872 { | |
|
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2873 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2874 e = e->implicitCastTo(sc, t0); |
| 2875 } | |
| 2876 } | |
| 2877 else | |
| 2878 e = e->implicitCastTo(sc, t0); | |
| 2879 if (!committed && e->op == TOKstring) | |
| 2880 { StringExp *se = (StringExp *)e; | |
| 2881 se->committed = 0; | |
| 2882 } | |
| 2883 elements->data[i] = (void *)e; | |
| 2884 } | |
| 2885 | |
| 2886 if (!t0) | |
| 2887 t0 = Type::tvoid; | |
| 2888 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2889 type = type->semantic(loc, sc); | |
| 2890 return this; | |
| 2891 } | |
| 2892 | |
| 2893 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2894 { int f = 0; | |
| 2895 | |
| 2896 for (size_t i = 0; i < elements->dim; i++) | |
| 2897 { Expression *e = (Expression *)elements->data[i]; | |
| 2898 | |
| 2899 f |= e->checkSideEffect(2); | |
| 2900 } | |
| 2901 if (flag == 0 && f == 0) | |
| 2902 Expression::checkSideEffect(0); | |
| 2903 return f; | |
| 2904 } | |
| 2905 | |
| 2906 int ArrayLiteralExp::isBool(int result) | |
| 2907 { | |
| 2908 size_t dim = elements ? elements->dim : 0; | |
| 2909 return result ? (dim != 0) : (dim == 0); | |
| 2910 } | |
| 2911 | |
|
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2912 #if DMDV2 |
|
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|
2913 int ArrayLiteralExp::canThrow() |
|
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|
2914 { |
|
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diff
changeset
|
2915 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2916 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2917 #endif |
|
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diff
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|
2918 |
| 159 | 2919 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2920 { | |
| 2921 buf->writeByte('['); | |
| 2922 argsToCBuffer(buf, elements, hgs); | |
| 2923 buf->writeByte(']'); | |
| 2924 } | |
| 2925 | |
| 2926 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2927 { | |
| 2928 size_t dim = elements ? elements->dim : 0; | |
| 2929 buf->printf("A%u", dim); | |
| 2930 for (size_t i = 0; i < dim; i++) | |
| 2931 { Expression *e = (Expression *)elements->data[i]; | |
| 2932 e->toMangleBuffer(buf); | |
| 2933 } | |
| 2934 } | |
| 2935 | |
| 2936 /************************ AssocArrayLiteralExp ************************************/ | |
| 2937 | |
| 2938 // [ key0 : value0, key1 : value1, ... ] | |
| 2939 | |
| 2940 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2941 Expressions *keys, Expressions *values) | |
| 2942 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2943 { | |
| 2944 assert(keys->dim == values->dim); | |
| 2945 this->keys = keys; | |
| 2946 this->values = values; | |
| 2947 } | |
| 2948 | |
| 2949 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2950 { | |
| 2951 return new AssocArrayLiteralExp(loc, | |
| 2952 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2953 } | |
| 2954 | |
| 2955 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2956 { Expression *e; | |
| 2957 Type *tkey = NULL; | |
| 2958 Type *tvalue = NULL; | |
| 2959 | |
| 2960 #if LOGSEMANTIC | |
| 2961 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2962 #endif | |
| 2963 | |
| 2964 // Run semantic() on each element | |
| 2965 for (size_t i = 0; i < keys->dim; i++) | |
| 2966 { Expression *key = (Expression *)keys->data[i]; | |
| 2967 Expression *value = (Expression *)values->data[i]; | |
| 2968 | |
| 2969 key = key->semantic(sc); | |
| 2970 value = value->semantic(sc); | |
| 2971 | |
| 2972 keys->data[i] = (void *)key; | |
| 2973 values->data[i] = (void *)value; | |
| 2974 } | |
| 2975 expandTuples(keys); | |
| 2976 expandTuples(values); | |
| 2977 if (keys->dim != values->dim) | |
| 2978 { | |
| 2979 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2980 keys->setDim(0); | |
| 2981 values->setDim(0); | |
| 2982 } | |
| 2983 for (size_t i = 0; i < keys->dim; i++) | |
| 2984 { Expression *key = (Expression *)keys->data[i]; | |
| 2985 Expression *value = (Expression *)values->data[i]; | |
| 2986 | |
| 2987 if (!key->type) | |
| 2988 error("%s has no value", key->toChars()); | |
| 2989 if (!value->type) | |
| 2990 error("%s has no value", value->toChars()); | |
| 2991 key = resolveProperties(sc, key); | |
| 2992 value = resolveProperties(sc, value); | |
| 2993 | |
| 2994 if (!tkey) | |
| 2995 tkey = key->type; | |
| 2996 else | |
| 2997 key = key->implicitCastTo(sc, tkey); | |
| 2998 keys->data[i] = (void *)key; | |
| 2999 | |
| 3000 if (!tvalue) | |
| 3001 tvalue = value->type; | |
| 3002 else | |
| 3003 value = value->implicitCastTo(sc, tvalue); | |
| 3004 values->data[i] = (void *)value; | |
| 3005 } | |
| 3006 | |
| 3007 if (!tkey) | |
| 3008 tkey = Type::tvoid; | |
| 3009 if (!tvalue) | |
| 3010 tvalue = Type::tvoid; | |
| 3011 type = new TypeAArray(tvalue, tkey); | |
| 3012 type = type->semantic(loc, sc); | |
| 3013 return this; | |
| 3014 } | |
| 3015 | |
| 3016 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3017 { int f = 0; | |
| 3018 | |
| 3019 for (size_t i = 0; i < keys->dim; i++) | |
| 3020 { Expression *key = (Expression *)keys->data[i]; | |
| 3021 Expression *value = (Expression *)values->data[i]; | |
| 3022 | |
| 3023 f |= key->checkSideEffect(2); | |
| 3024 f |= value->checkSideEffect(2); | |
| 3025 } | |
| 3026 if (flag == 0 && f == 0) | |
| 3027 Expression::checkSideEffect(0); | |
| 3028 return f; | |
| 3029 } | |
| 3030 | |
| 3031 int AssocArrayLiteralExp::isBool(int result) | |
| 3032 { | |
| 3033 size_t dim = keys->dim; | |
| 3034 return result ? (dim != 0) : (dim == 0); | |
| 3035 } | |
| 3036 | |
|
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3037 #if DMDV2 |
|
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|
3038 int AssocArrayLiteralExp::canThrow() |
|
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3039 { |
|
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diff
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|
3040 return 1; |
|
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diff
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|
3041 } |
|
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|
3042 #endif |
|
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diff
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|
3043 |
| 159 | 3044 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3045 { | |
| 3046 buf->writeByte('['); | |
| 3047 for (size_t i = 0; i < keys->dim; i++) | |
| 3048 { Expression *key = (Expression *)keys->data[i]; | |
| 3049 Expression *value = (Expression *)values->data[i]; | |
| 3050 | |
| 3051 if (i) | |
| 3052 buf->writeByte(','); | |
| 3053 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3054 buf->writeByte(':'); | |
| 3055 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3056 } | |
| 3057 buf->writeByte(']'); | |
| 3058 } | |
| 3059 | |
| 3060 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3061 { | |
| 3062 size_t dim = keys->dim; | |
| 3063 buf->printf("A%u", dim); | |
| 3064 for (size_t i = 0; i < dim; i++) | |
| 3065 { Expression *key = (Expression *)keys->data[i]; | |
| 3066 Expression *value = (Expression *)values->data[i]; | |
| 3067 | |
| 3068 key->toMangleBuffer(buf); | |
| 3069 value->toMangleBuffer(buf); | |
| 3070 } | |
| 3071 } | |
| 3072 | |
| 3073 /************************ StructLiteralExp ************************************/ | |
| 3074 | |
| 3075 // sd( e1, e2, e3, ... ) | |
| 3076 | |
| 3077 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3078 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3079 { | |
| 3080 this->sd = sd; | |
| 3081 this->elements = elements; | |
|
1146
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diff
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|
3082 #if IN_DMD |
| 159 | 3083 this->sym = NULL; |
|
1146
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diff
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|
3084 #endif |
| 159 | 3085 this->soffset = 0; |
| 3086 this->fillHoles = 1; | |
| 3087 } | |
| 3088 | |
| 3089 Expression *StructLiteralExp::syntaxCopy() | |
| 3090 { | |
| 3091 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3092 } | |
| 3093 | |
| 3094 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3095 { Expression *e; | |
| 3096 | |
| 3097 #if LOGSEMANTIC | |
| 3098 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3099 #endif | |
|
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diff
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|
3100 if (type) |
|
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diff
changeset
|
3101 return this; |
| 159 | 3102 |
| 3103 // Run semantic() on each element | |
| 3104 for (size_t i = 0; i < elements->dim; i++) | |
| 3105 { e = (Expression *)elements->data[i]; | |
| 3106 if (!e) | |
| 3107 continue; | |
| 3108 e = e->semantic(sc); | |
| 3109 elements->data[i] = (void *)e; | |
| 3110 } | |
| 3111 expandTuples(elements); | |
| 3112 size_t offset = 0; | |
| 3113 for (size_t i = 0; i < elements->dim; i++) | |
| 3114 { e = (Expression *)elements->data[i]; | |
| 3115 if (!e) | |
| 3116 continue; | |
| 3117 | |
| 3118 if (!e->type) | |
| 3119 error("%s has no value", e->toChars()); | |
| 3120 e = resolveProperties(sc, e); | |
| 3121 if (i >= sd->fields.dim) | |
| 3122 { error("more initializers than fields of %s", sd->toChars()); | |
| 3123 break; | |
| 3124 } | |
| 3125 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3126 VarDeclaration *v = s->isVarDeclaration(); | |
| 3127 assert(v); | |
| 3128 if (v->offset < offset) | |
| 3129 error("overlapping initialization for %s", v->toChars()); | |
| 3130 offset = v->offset + v->type->size(); | |
| 3131 | |
| 3132 Type *telem = v->type; | |
| 3133 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3134 { /* Static array initialization, as in: | |
| 3135 * T[3][5] = e; | |
| 3136 */ | |
| 3137 telem = telem->toBasetype()->nextOf(); | |
| 3138 } | |
| 3139 | |
| 3140 e = e->implicitCastTo(sc, telem); | |
| 3141 | |
| 3142 elements->data[i] = (void *)e; | |
| 3143 } | |
| 3144 | |
| 3145 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3146 */ | |
| 3147 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3148 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3149 VarDeclaration *v = s->isVarDeclaration(); | |
| 3150 assert(v); | |
| 3151 | |
| 3152 if (v->offset < offset) | |
| 3153 { e = NULL; | |
| 3154 sd->hasUnions = 1; | |
| 3155 } | |
| 3156 else | |
| 3157 { | |
| 3158 if (v->init) | |
| 3159 { e = v->init->toExpression(); | |
| 3160 if (!e) | |
| 3161 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3162 } | |
| 3163 else | |
| 3164 { e = v->type->defaultInit(); | |
| 3165 e->loc = loc; | |
| 3166 } | |
| 3167 offset = v->offset + v->type->size(); | |
| 3168 } | |
| 3169 elements->push(e); | |
| 3170 } | |
| 3171 | |
| 3172 type = sd->type; | |
| 3173 return this; | |
| 3174 } | |
| 3175 | |
| 3176 /************************************** | |
| 3177 * Gets expression at offset of type. | |
| 3178 * Returns NULL if not found. | |
| 3179 */ | |
| 3180 | |
| 3181 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3182 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3183 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3184 // /*toChars()*/"", type->toChars(), offset); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3185 Expression *e = NULL; |
| 159 | 3186 int i = getFieldIndex(type, offset); |
| 3187 | |
| 3188 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3189 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3190 //printf("\ti = %d\n", i); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3191 assert(i < elements->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3192 e = (Expression *)elements->data[i]; |
| 159 | 3193 if (e) |
| 3194 { | |
| 3195 e = e->copy(); | |
| 3196 e->type = type; | |
| 3197 } | |
| 3198 } | |
| 3199 return e; | |
| 3200 } | |
| 3201 | |
| 3202 /************************************ | |
| 3203 * Get index of field. | |
| 3204 * Returns -1 if not found. | |
| 3205 */ | |
| 3206 | |
| 3207 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3208 { | |
| 3209 /* Find which field offset is by looking at the field offsets | |
| 3210 */ | |
| 3211 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3212 { | |
| 3213 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3214 VarDeclaration *v = s->isVarDeclaration(); | |
| 3215 assert(v); | |
| 3216 | |
| 3217 if (offset == v->offset && | |
| 3218 type->size() == v->type->size()) | |
| 3219 { Expression *e = (Expression *)elements->data[i]; | |
| 3220 if (e) | |
| 3221 { | |
| 3222 return i; | |
| 3223 } | |
| 3224 break; | |
| 3225 } | |
| 3226 } | |
| 3227 return -1; | |
| 3228 } | |
| 3229 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3230 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3231 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3232 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3233 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3234 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3235 #endif |
| 159 | 3236 |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3237 /* |
|
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3238 Removed in LDC. See declaration. |
| 159 | 3239 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) |
| 3240 { | |
| 3241 return this; | |
| 3242 } | |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3243 */ |
| 159 | 3244 |
| 3245 | |
| 3246 int StructLiteralExp::checkSideEffect(int flag) | |
| 3247 { int f = 0; | |
| 3248 | |
| 3249 for (size_t i = 0; i < elements->dim; i++) | |
| 3250 { Expression *e = (Expression *)elements->data[i]; | |
| 3251 if (!e) | |
| 3252 continue; | |
| 3253 | |
| 3254 f |= e->checkSideEffect(2); | |
| 3255 } | |
| 3256 if (flag == 0 && f == 0) | |
| 3257 Expression::checkSideEffect(0); | |
| 3258 return f; | |
| 3259 } | |
| 3260 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3261 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3262 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3263 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3264 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3265 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3266 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3267 |
| 159 | 3268 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3269 { | |
| 3270 buf->writestring(sd->toChars()); | |
| 3271 buf->writeByte('('); | |
| 3272 argsToCBuffer(buf, elements, hgs); | |
| 3273 buf->writeByte(')'); | |
| 3274 } | |
| 3275 | |
| 3276 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3277 { | |
| 3278 size_t dim = elements ? elements->dim : 0; | |
| 3279 buf->printf("S%u", dim); | |
| 3280 for (size_t i = 0; i < dim; i++) | |
| 3281 { Expression *e = (Expression *)elements->data[i]; | |
| 3282 if (e) | |
| 3283 e->toMangleBuffer(buf); | |
| 3284 else | |
| 3285 buf->writeByte('v'); // 'v' for void | |
| 3286 } | |
| 3287 } | |
| 3288 | |
| 3289 /************************ TypeDotIdExp ************************************/ | |
| 3290 | |
| 3291 /* Things like: | |
| 3292 * int.size | |
| 3293 * foo.size | |
| 3294 * (foo).size | |
| 3295 * cast(foo).size | |
| 3296 */ | |
| 3297 | |
| 3298 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3299 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3300 { | |
| 3301 this->type = type; | |
| 3302 this->ident = ident; | |
| 3303 } | |
| 3304 | |
| 3305 Expression *TypeDotIdExp::syntaxCopy() | |
| 3306 { | |
| 3307 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3308 return te; | |
| 3309 } | |
| 3310 | |
| 3311 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3312 { Expression *e; | |
| 3313 | |
| 3314 #if LOGSEMANTIC | |
| 3315 printf("TypeDotIdExp::semantic()\n"); | |
| 3316 #endif | |
| 3317 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3318 e = e->semantic(sc); | |
| 3319 return e; | |
| 3320 } | |
| 3321 | |
| 3322 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3323 { | |
| 3324 buf->writeByte('('); | |
| 3325 type->toCBuffer(buf, NULL, hgs); | |
| 3326 buf->writeByte(')'); | |
| 3327 buf->writeByte('.'); | |
| 3328 buf->writestring(ident->toChars()); | |
| 3329 } | |
| 3330 | |
| 3331 /************************************************************/ | |
| 3332 | |
| 3333 // Mainly just a placeholder | |
| 3334 | |
| 3335 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3336 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3337 { | |
| 3338 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3339 this->type = type; | |
| 3340 } | |
| 3341 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3342 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3343 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3344 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3345 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3346 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3347 |
| 159 | 3348 Expression *TypeExp::semantic(Scope *sc) |
| 3349 { | |
| 3350 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3351 type = type->semantic(loc, sc); | |
| 3352 return this; | |
| 3353 } | |
| 3354 | |
| 3355 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3356 { | |
| 3357 type->toCBuffer(buf, NULL, hgs); | |
| 3358 } | |
| 3359 | |
| 3360 /************************************************************/ | |
| 3361 | |
| 3362 // Mainly just a placeholder | |
| 3363 | |
| 3364 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3365 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3366 { | |
| 3367 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3368 //static int count; if (++count == 38) *(char*)0=0; | |
| 3369 this->sds = pkg; | |
| 3370 } | |
| 3371 | |
| 3372 Expression *ScopeExp::syntaxCopy() | |
| 3373 { | |
| 3374 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3375 return se; | |
| 3376 } | |
| 3377 | |
| 3378 Expression *ScopeExp::semantic(Scope *sc) | |
| 3379 { | |
| 3380 TemplateInstance *ti; | |
| 3381 ScopeDsymbol *sds2; | |
| 3382 | |
| 3383 #if LOGSEMANTIC | |
| 3384 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3385 #endif | |
| 3386 Lagain: | |
| 3387 ti = sds->isTemplateInstance(); | |
| 3388 if (ti && !global.errors) | |
| 3389 { Dsymbol *s; | |
| 3390 if (!ti->semanticdone) | |
| 3391 ti->semantic(sc); | |
| 3392 s = ti->inst->toAlias(); | |
| 3393 sds2 = s->isScopeDsymbol(); | |
| 3394 if (!sds2) | |
| 3395 { Expression *e; | |
| 3396 | |
| 3397 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3398 if (ti->withsym) | |
| 3399 { | |
| 3400 // Same as wthis.s | |
| 3401 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3402 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3403 } | |
| 3404 else | |
| 3405 e = new DsymbolExp(loc, s); | |
| 3406 e = e->semantic(sc); | |
| 3407 //printf("-1ScopeExp::semantic()\n"); | |
| 3408 return e; | |
| 3409 } | |
| 3410 if (sds2 != sds) | |
| 3411 { | |
| 3412 sds = sds2; | |
| 3413 goto Lagain; | |
| 3414 } | |
| 3415 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3416 } | |
| 3417 else | |
| 3418 { | |
| 3419 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3420 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3421 sds->semantic(sc); | |
| 3422 } | |
| 3423 type = Type::tvoid; | |
| 3424 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3425 return this; | |
| 3426 } | |
| 3427 | |
| 3428 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3429 { | |
| 3430 if (sds->isTemplateInstance()) | |
| 3431 { | |
| 3432 sds->toCBuffer(buf, hgs); | |
| 3433 } | |
| 3434 else | |
| 3435 { | |
| 3436 buf->writestring(sds->kind()); | |
| 3437 buf->writestring(" "); | |
| 3438 buf->writestring(sds->toChars()); | |
| 3439 } | |
| 3440 } | |
| 3441 | |
| 3442 /********************** TemplateExp **************************************/ | |
| 3443 | |
| 3444 // Mainly just a placeholder | |
| 3445 | |
| 3446 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3447 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3448 { | |
| 3449 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3450 this->td = td; | |
| 3451 } | |
| 3452 | |
| 3453 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3454 { | |
| 3455 buf->writestring(td->toChars()); | |
| 3456 } | |
| 3457 | |
| 3458 void TemplateExp::rvalue() | |
| 3459 { | |
| 3460 error("template %s has no value", toChars()); | |
| 3461 } | |
| 3462 | |
| 3463 /********************** NewExp **************************************/ | |
| 3464 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3465 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3466 |
| 159 | 3467 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3468 Type *newtype, Expressions *arguments) | |
| 3469 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3470 { | |
| 3471 this->thisexp = thisexp; | |
| 3472 this->newargs = newargs; | |
| 3473 this->newtype = newtype; | |
| 3474 this->arguments = arguments; | |
| 3475 member = NULL; | |
| 3476 allocator = NULL; | |
| 3477 onstack = 0; | |
| 3478 } | |
| 3479 | |
| 3480 Expression *NewExp::syntaxCopy() | |
| 3481 { | |
| 3482 return new NewExp(loc, | |
| 3483 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3484 arraySyntaxCopy(newargs), | |
| 3485 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3486 } | |
| 3487 | |
| 3488 | |
| 3489 Expression *NewExp::semantic(Scope *sc) | |
| 3490 { int i; | |
| 3491 Type *tb; | |
| 3492 ClassDeclaration *cdthis = NULL; | |
| 3493 | |
| 3494 #if LOGSEMANTIC | |
| 3495 printf("NewExp::semantic() %s\n", toChars()); | |
| 3496 if (thisexp) | |
| 3497 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3498 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3499 #endif | |
| 3500 if (type) // if semantic() already run | |
| 3501 return this; | |
| 3502 | |
| 3503 Lagain: | |
| 3504 if (thisexp) | |
| 3505 { thisexp = thisexp->semantic(sc); | |
| 3506 cdthis = thisexp->type->isClassHandle(); | |
| 3507 if (cdthis) | |
| 3508 { | |
| 3509 sc = sc->push(cdthis); | |
| 3510 type = newtype->semantic(loc, sc); | |
| 3511 sc = sc->pop(); | |
| 3512 } | |
| 3513 else | |
| 3514 { | |
| 3515 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3516 type = newtype->semantic(loc, sc); | |
| 3517 } | |
| 3518 } | |
| 3519 else | |
| 3520 type = newtype->semantic(loc, sc); | |
| 3521 newtype = type; // in case type gets cast to something else | |
| 3522 tb = type->toBasetype(); | |
| 3523 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3524 | |
| 3525 arrayExpressionSemantic(newargs, sc); | |
| 3526 preFunctionArguments(loc, sc, newargs); | |
| 3527 arrayExpressionSemantic(arguments, sc); | |
| 3528 preFunctionArguments(loc, sc, arguments); | |
| 3529 | |
| 3530 if (thisexp && tb->ty != Tclass) | |
| 3531 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3532 | |
| 3533 if (tb->ty == Tclass) | |
| 3534 { TypeFunction *tf; | |
| 3535 | |
| 3536 TypeClass *tc = (TypeClass *)(tb); | |
| 3537 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3538 if (cd->isInterfaceDeclaration()) | |
| 3539 error("cannot create instance of interface %s", cd->toChars()); | |
| 3540 else if (cd->isAbstract()) | |
| 3541 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3542 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3543 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3544 if (fd && fd->isAbstract()) | |
| 3545 error("function %s is abstract", fd->toChars()); | |
| 3546 } | |
| 3547 } | |
| 3548 checkDeprecated(sc, cd); | |
| 3549 if (cd->isNested()) | |
| 3550 { /* We need a 'this' pointer for the nested class. | |
| 3551 * Ensure we have the right one. | |
| 3552 */ | |
| 3553 Dsymbol *s = cd->toParent2(); | |
| 3554 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
|
3555 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3556 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3557 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3558 if (cdn) |
| 3559 { | |
| 3560 if (!cdthis) | |
| 3561 { | |
| 3562 // Supply an implicit 'this' and try again | |
| 3563 thisexp = new ThisExp(loc); | |
| 3564 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3565 { if (!sp) | |
| 3566 { | |
| 3567 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3568 break; | |
| 3569 } | |
| 3570 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3571 if (!cdp) | |
| 3572 continue; | |
| 3573 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3574 break; | |
| 3575 // Add a '.outer' and try again | |
| 3576 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3577 } | |
| 3578 if (!global.errors) | |
| 3579 goto Lagain; | |
| 3580 } | |
| 3581 if (cdthis) | |
| 3582 { | |
| 3583 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3584 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3585 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3586 } | |
| 3587 #if 0 | |
| 3588 else | |
| 3589 { | |
| 3590 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3591 { | |
| 3592 if (!sf) | |
| 3593 { | |
| 3594 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3595 break; | |
| 3596 } | |
| 3597 printf("sf = %s\n", sf->toChars()); | |
| 3598 AggregateDeclaration *ad = sf->isThis(); | |
| 3599 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3600 break; | |
| 3601 } | |
| 3602 } | |
| 3603 #endif | |
| 3604 } | |
| 3605 else if (thisexp) | |
| 3606 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
|
3607 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
|
3608 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3609 // 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
|
3610 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
|
3611 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3612 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
|
3613 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3614 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
|
3615 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
|
3616 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3617 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
|
3618 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3619 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3620 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3621 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3622 } |
| 159 | 3623 } |
| 3624 else if (thisexp) | |
| 3625 error("e.new is only for allocating nested classes"); | |
| 3626 | |
| 3627 FuncDeclaration *f = cd->ctor; | |
| 3628 if (f) | |
| 3629 { | |
| 3630 assert(f); | |
| 3631 f = f->overloadResolve(loc, arguments); | |
| 3632 checkDeprecated(sc, f); | |
| 3633 member = f->isCtorDeclaration(); | |
| 3634 assert(member); | |
| 3635 | |
| 3636 cd->accessCheck(loc, sc, member); | |
| 3637 | |
| 3638 tf = (TypeFunction *)f->type; | |
| 3639 type = tf->next; | |
| 3640 | |
| 3641 if (!arguments) | |
| 3642 arguments = new Expressions(); | |
| 3643 functionArguments(loc, sc, tf, arguments); | |
| 3644 } | |
| 3645 else | |
| 3646 { | |
| 3647 if (arguments && arguments->dim) | |
| 3648 error("no constructor for %s", cd->toChars()); | |
| 3649 } | |
| 3650 | |
| 3651 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3652 { |
|
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
|
3653 // 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
|
3654 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3655 if (!newargs) |
| 3656 newargs = new Expressions(); | |
| 3657 newargs->shift(e); | |
| 3658 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3659 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3660 allocator = f->isNewDeclaration(); |
| 3661 assert(allocator); | |
| 3662 | |
| 3663 tf = (TypeFunction *)f->type; | |
| 3664 functionArguments(loc, sc, tf, newargs); | |
| 3665 } | |
| 3666 else | |
| 3667 { | |
| 3668 if (newargs && newargs->dim) | |
| 3669 error("no allocator for %s", cd->toChars()); | |
| 3670 } | |
| 3671 } | |
| 3672 else if (tb->ty == Tstruct) | |
| 3673 { | |
| 3674 TypeStruct *ts = (TypeStruct *)tb; | |
| 3675 StructDeclaration *sd = ts->sym; | |
| 3676 FuncDeclaration *f = sd->aggNew; | |
| 3677 TypeFunction *tf; | |
| 3678 | |
| 3679 if (arguments && arguments->dim) | |
| 3680 error("no constructor for %s", type->toChars()); | |
| 3681 | |
| 3682 if (f) | |
| 3683 { | |
| 3684 Expression *e; | |
| 3685 | |
| 3686 // Prepend the uint size argument to newargs[] | |
| 3687 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3688 if (!newargs) | |
| 3689 newargs = new Expressions(); | |
| 3690 newargs->shift(e); | |
| 3691 | |
| 3692 f = f->overloadResolve(loc, newargs); | |
| 3693 allocator = f->isNewDeclaration(); | |
| 3694 assert(allocator); | |
| 3695 | |
| 3696 tf = (TypeFunction *)f->type; | |
| 3697 functionArguments(loc, sc, tf, newargs); | |
| 3698 | |
| 3699 e = new VarExp(loc, f); | |
| 3700 e = new CallExp(loc, e, newargs); | |
| 3701 e = e->semantic(sc); | |
| 3702 e->type = type->pointerTo(); | |
| 3703 return e; | |
| 3704 } | |
| 3705 | |
| 3706 type = type->pointerTo(); | |
| 3707 } | |
| 3708 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3709 { | |
| 3710 for (size_t i = 0; i < arguments->dim; i++) | |
| 3711 { | |
| 3712 if (tb->ty != Tarray) | |
| 3713 { error("too many arguments for array"); | |
| 3714 arguments->dim = i; | |
| 3715 break; | |
| 3716 } | |
| 3717 | |
| 3718 Expression *arg = (Expression *)arguments->data[i]; | |
| 3719 arg = resolveProperties(sc, arg); | |
| 3720 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3721 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3722 error("negative array index %s", arg->toChars()); | |
| 3723 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
|
3724 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3725 } |
| 3726 } | |
| 3727 else if (tb->isscalar()) | |
| 3728 { | |
| 3729 if (arguments && arguments->dim) | |
| 3730 error("no constructor for %s", type->toChars()); | |
| 3731 | |
| 3732 type = type->pointerTo(); | |
| 3733 } | |
| 3734 else | |
| 3735 { | |
| 3736 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3737 type = type->pointerTo(); | |
| 3738 } | |
| 3739 | |
| 3740 //printf("NewExp: '%s'\n", toChars()); | |
| 3741 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3742 | |
| 3743 return this; | |
| 3744 } | |
| 3745 | |
| 3746 int NewExp::checkSideEffect(int flag) | |
| 3747 { | |
| 3748 return 1; | |
| 3749 } | |
| 3750 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3751 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3752 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3753 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3754 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3755 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3756 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3757 |
| 159 | 3758 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3759 { int i; | |
| 3760 | |
| 3761 if (thisexp) | |
| 3762 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3763 buf->writeByte('.'); | |
| 3764 } | |
| 3765 buf->writestring("new "); | |
| 3766 if (newargs && newargs->dim) | |
| 3767 { | |
| 3768 buf->writeByte('('); | |
| 3769 argsToCBuffer(buf, newargs, hgs); | |
| 3770 buf->writeByte(')'); | |
| 3771 } | |
| 3772 newtype->toCBuffer(buf, NULL, hgs); | |
| 3773 if (arguments && arguments->dim) | |
| 3774 { | |
| 3775 buf->writeByte('('); | |
| 3776 argsToCBuffer(buf, arguments, hgs); | |
| 3777 buf->writeByte(')'); | |
| 3778 } | |
| 3779 } | |
| 3780 | |
| 3781 /********************** NewAnonClassExp **************************************/ | |
| 3782 | |
| 3783 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3784 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3785 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3786 { | |
| 3787 this->thisexp = thisexp; | |
| 3788 this->newargs = newargs; | |
| 3789 this->cd = cd; | |
| 3790 this->arguments = arguments; | |
| 3791 } | |
| 3792 | |
| 3793 Expression *NewAnonClassExp::syntaxCopy() | |
| 3794 { | |
| 3795 return new NewAnonClassExp(loc, | |
| 3796 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3797 arraySyntaxCopy(newargs), | |
| 3798 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3799 arraySyntaxCopy(arguments)); | |
| 3800 } | |
| 3801 | |
| 3802 | |
| 3803 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3804 { | |
| 3805 #if LOGSEMANTIC | |
| 3806 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3807 //printf("thisexp = %p\n", thisexp); |
| 159 | 3808 //printf("type: %s\n", type->toChars()); |
| 3809 #endif | |
| 3810 | |
| 3811 Expression *d = new DeclarationExp(loc, cd); | |
| 3812 d = d->semantic(sc); | |
| 3813 | |
| 3814 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3815 | |
| 3816 Expression *c = new CommaExp(loc, d, n); | |
| 3817 return c->semantic(sc); | |
| 3818 } | |
| 3819 | |
| 3820 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3821 { | |
| 3822 return 1; | |
| 3823 } | |
| 3824 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3825 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3826 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3827 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3828 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3829 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3830 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3831 |
| 159 | 3832 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3833 { int i; | |
| 3834 | |
| 3835 if (thisexp) | |
| 3836 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3837 buf->writeByte('.'); | |
| 3838 } | |
| 3839 buf->writestring("new"); | |
| 3840 if (newargs && newargs->dim) | |
| 3841 { | |
| 3842 buf->writeByte('('); | |
| 3843 argsToCBuffer(buf, newargs, hgs); | |
| 3844 buf->writeByte(')'); | |
| 3845 } | |
| 3846 buf->writestring(" class "); | |
| 3847 if (arguments && arguments->dim) | |
| 3848 { | |
| 3849 buf->writeByte('('); | |
| 3850 argsToCBuffer(buf, arguments, hgs); | |
| 3851 buf->writeByte(')'); | |
| 3852 } | |
| 3853 //buf->writestring(" { }"); | |
| 3854 if (cd) | |
| 3855 { | |
| 3856 cd->toCBuffer(buf, hgs); | |
| 3857 } | |
| 3858 } | |
| 3859 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3863 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
|
3864 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3865 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3866 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3867 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3868 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3869 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3870 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3871 |
| 159 | 3872 /********************** SymOffExp **************************************/ |
| 3873 | |
| 3874 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3875 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3876 { | |
| 3877 assert(var); | |
| 3878 this->var = var; | |
| 3879 this->offset = offset; | |
| 3880 VarDeclaration *v = var->isVarDeclaration(); | |
| 3881 if (v && v->needThis()) | |
| 3882 error("need 'this' for address of %s", v->toChars()); | |
| 3883 } | |
| 3884 | |
| 3885 Expression *SymOffExp::semantic(Scope *sc) | |
| 3886 { | |
| 3887 #if LOGSEMANTIC | |
| 3888 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3889 #endif | |
| 3890 //var->semantic(sc); | |
| 3891 if (!type) | |
| 3892 type = var->type->pointerTo(); | |
| 3893 VarDeclaration *v = var->isVarDeclaration(); | |
| 3894 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3895 v->checkNestedReference(sc, loc); |
| 159 | 3896 return this; |
| 3897 } | |
| 3898 | |
| 3899 int SymOffExp::isBool(int result) | |
| 3900 { | |
| 3901 return result ? TRUE : FALSE; | |
| 3902 } | |
| 3903 | |
| 3904 void SymOffExp::checkEscape() | |
| 3905 { | |
| 3906 VarDeclaration *v = var->isVarDeclaration(); | |
| 3907 if (v) | |
| 3908 { | |
| 3909 if (!v->isDataseg()) | |
| 3910 error("escaping reference to local variable %s", v->toChars()); | |
| 3911 } | |
| 3912 } | |
| 3913 | |
| 3914 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3915 { | |
| 3916 if (offset) | |
| 3917 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3918 else | |
| 3919 buf->printf("& %s", var->toChars()); | |
| 3920 } | |
| 3921 | |
| 3922 /******************************** VarExp **************************/ | |
| 3923 | |
| 3924 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3925 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3926 { | |
| 3927 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3928 this->var = var; | |
| 3929 this->type = var->type; | |
| 3930 } | |
| 3931 | |
| 3932 int VarExp::equals(Object *o) | |
| 3933 { VarExp *ne; | |
| 3934 | |
| 3935 if (this == o || | |
| 3936 (((Expression *)o)->op == TOKvar && | |
| 3937 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3938 var == ne->var)) | |
| 3939 return 1; | |
| 3940 return 0; | |
| 3941 } | |
| 3942 | |
| 3943 Expression *VarExp::semantic(Scope *sc) | |
| 3944 { FuncLiteralDeclaration *fd; | |
| 3945 | |
| 3946 #if LOGSEMANTIC | |
| 3947 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3948 #endif | |
| 3949 if (!type) | |
| 3950 { type = var->type; | |
| 3951 #if 0 | |
| 3952 if (var->storage_class & STClazy) | |
| 3953 { | |
| 3954 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3955 type = new TypeDelegate(tf); | |
| 3956 type = type->semantic(loc, sc); | |
| 3957 } | |
| 3958 #endif | |
| 3959 } | |
|
875
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parents:
846
diff
changeset
|
3960 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3961 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3962 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3963 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3964 //accessCheck(loc, sc, NULL, var); |
| 159 | 3965 |
| 3966 VarDeclaration *v = var->isVarDeclaration(); | |
| 3967 if (v) | |
| 3968 { | |
| 3969 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3970 { | |
| 3971 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3972 if (ei) | |
| 3973 { | |
| 3974 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3975 return ei->exp->implicitCastTo(sc, type); | |
| 3976 } | |
| 3977 } | |
| 3978 v->checkNestedReference(sc, loc); | |
|
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|
3979 #if DMDV2 |
|
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Merged DMD 1.038
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846
diff
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|
3980 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
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Merged DMD 1.038
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parents:
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diff
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|
3981 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3982 if (v->isDataseg() && !v->isInvariant()) |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3983 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3984 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3985 #endif |
| 159 | 3986 } |
| 3987 #if 0 | |
| 3988 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3989 { Expression *e; | |
| 3990 e = new FuncExp(loc, fd); | |
| 3991 e->type = type; | |
| 3992 return e; | |
| 3993 } | |
| 3994 #endif | |
| 3995 return this; | |
| 3996 } | |
| 3997 | |
| 3998 char *VarExp::toChars() | |
| 3999 { | |
| 4000 return var->toChars(); | |
| 4001 } | |
| 4002 | |
| 4003 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4004 { | |
| 4005 buf->writestring(var->toChars()); | |
| 4006 } | |
| 4007 | |
| 4008 void VarExp::checkEscape() | |
| 4009 { | |
| 4010 VarDeclaration *v = var->isVarDeclaration(); | |
| 4011 if (v) | |
| 4012 { Type *tb = v->type->toBasetype(); | |
| 4013 // if reference type | |
| 4014 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4015 { | |
| 4016 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4017 error("escaping reference to auto local %s", v->toChars()); | |
| 4018 else if (v->storage_class & STCvariadic) | |
| 4019 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4020 } | |
| 4021 } | |
| 4022 } | |
| 4023 | |
|
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Merged DMD 1.038
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changeset
|
4024 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
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|
4025 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4026 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4027 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4028 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4029 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4030 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4031 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4032 |
| 159 | 4033 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4034 { | |
| 4035 #if 0 | |
| 4036 tym = tybasic(e1->ET->Tty); | |
| 4037 if (!(tyscalar(tym) || | |
| 4038 tym == TYstruct || | |
| 4039 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4040 synerr(EM_lvalue); // lvalue expected | |
| 4041 #endif | |
| 4042 if (var->storage_class & STClazy) | |
| 4043 error("lazy variables cannot be lvalues"); | |
| 4044 return this; | |
| 4045 } | |
| 4046 | |
| 4047 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4048 { | |
| 4049 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4050 if (sc->incontract && var->isParameter()) | |
| 4051 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4052 | |
| 4053 if (type && type->toBasetype()->ty == Tsarray) | |
| 4054 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4055 | |
| 4056 VarDeclaration *v = var->isVarDeclaration(); | |
| 4057 if (v && v->canassign == 0 && | |
| 4058 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4059 error("cannot modify final variable '%s'", var->toChars()); | |
| 4060 | |
| 4061 if (var->isCtorinit()) | |
| 4062 { // It's only modifiable if inside the right constructor | |
| 4063 Dsymbol *s = sc->func; | |
| 4064 while (1) | |
| 4065 { | |
| 4066 FuncDeclaration *fd = NULL; | |
| 4067 if (s) | |
| 4068 fd = s->isFuncDeclaration(); | |
| 4069 if (fd && | |
| 4070 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4071 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4072 fd->toParent() == var->toParent() | |
| 4073 ) | |
| 4074 { | |
| 4075 VarDeclaration *v = var->isVarDeclaration(); | |
| 4076 assert(v); | |
| 4077 v->ctorinit = 1; | |
| 4078 //printf("setting ctorinit\n"); | |
| 4079 } | |
| 4080 else | |
| 4081 { | |
| 4082 if (s) | |
| 4083 { s = s->toParent2(); | |
| 4084 continue; | |
| 4085 } | |
| 4086 else | |
| 4087 { | |
| 4088 const char *p = var->isStatic() ? "static " : ""; | |
| 4089 error("can only initialize %sconst %s inside %sconstructor", | |
| 4090 p, var->toChars(), p); | |
| 4091 } | |
| 4092 } | |
| 4093 break; | |
| 4094 } | |
| 4095 } | |
| 4096 | |
| 4097 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4098 return toLvalue(sc, e); | |
| 4099 } | |
| 4100 | |
| 4101 | |
|
510
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diff
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|
4102 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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486
diff
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|
4103 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4104 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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486
diff
changeset
|
4105 OverExp::OverExp(OverloadSet *s) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
4106 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4107 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4108 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
4109 vars = s; |
|
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
|
4110 type = Type::tvoid; |
|
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
|
4111 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4112 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4113 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
4114 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4115 return 1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4116 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4117 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4118 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4119 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4120 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
|
4121 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4122 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4123 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4124 |
| 159 | 4125 /******************************** TupleExp **************************/ |
| 4126 | |
| 4127 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4128 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4129 { | |
| 4130 //printf("TupleExp(this = %p)\n", this); | |
| 4131 this->exps = exps; | |
| 4132 this->type = NULL; | |
| 4133 } | |
| 4134 | |
| 4135 | |
| 4136 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4137 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4138 { | |
| 4139 exps = new Expressions(); | |
| 4140 type = NULL; | |
| 4141 | |
| 4142 exps->reserve(tup->objects->dim); | |
| 4143 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4144 { Object *o = (Object *)tup->objects->data[i]; | |
| 4145 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4146 { | |
| 4147 Expression *e = (Expression *)o; | |
| 4148 e = e->syntaxCopy(); | |
| 4149 exps->push(e); | |
| 4150 } | |
| 4151 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4152 { | |
| 4153 Dsymbol *s = (Dsymbol *)o; | |
| 4154 Expression *e = new DsymbolExp(loc, s); | |
| 4155 exps->push(e); | |
| 4156 } | |
| 4157 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4158 { | |
| 4159 Type *t = (Type *)o; | |
| 4160 Expression *e = new TypeExp(loc, t); | |
| 4161 exps->push(e); | |
| 4162 } | |
| 4163 else | |
| 4164 { | |
| 4165 error("%s is not an expression", o->toChars()); | |
| 4166 } | |
| 4167 } | |
| 4168 } | |
| 4169 | |
| 4170 int TupleExp::equals(Object *o) | |
| 4171 { TupleExp *ne; | |
| 4172 | |
| 4173 if (this == o) | |
| 4174 return 1; | |
| 4175 if (((Expression *)o)->op == TOKtuple) | |
| 4176 { | |
| 4177 TupleExp *te = (TupleExp *)o; | |
| 4178 if (exps->dim != te->exps->dim) | |
| 4179 return 0; | |
| 4180 for (size_t i = 0; i < exps->dim; i++) | |
| 4181 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4182 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4183 | |
| 4184 if (!e1->equals(e2)) | |
| 4185 return 0; | |
| 4186 } | |
| 4187 return 1; | |
| 4188 } | |
| 4189 return 0; | |
| 4190 } | |
| 4191 | |
| 4192 Expression *TupleExp::syntaxCopy() | |
| 4193 { | |
| 4194 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4195 } | |
| 4196 | |
| 4197 Expression *TupleExp::semantic(Scope *sc) | |
| 4198 { | |
| 4199 #if LOGSEMANTIC | |
| 4200 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4201 #endif | |
| 4202 if (type) | |
| 4203 return this; | |
| 4204 | |
| 4205 // Run semantic() on each argument | |
| 4206 for (size_t i = 0; i < exps->dim; i++) | |
| 4207 { Expression *e = (Expression *)exps->data[i]; | |
| 4208 | |
| 4209 e = e->semantic(sc); | |
| 4210 if (!e->type) | |
| 4211 { error("%s has no value", e->toChars()); | |
| 4212 e->type = Type::terror; | |
| 4213 } | |
| 4214 exps->data[i] = (void *)e; | |
| 4215 } | |
| 4216 | |
| 4217 expandTuples(exps); | |
| 4218 if (0 && exps->dim == 1) | |
| 4219 { | |
| 4220 return (Expression *)exps->data[0]; | |
| 4221 } | |
| 4222 type = new TypeTuple(exps); | |
| 4223 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4224 return this; | |
| 4225 } | |
| 4226 | |
| 4227 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4228 { | |
| 4229 buf->writestring("tuple("); | |
| 4230 argsToCBuffer(buf, exps, hgs); | |
| 4231 buf->writeByte(')'); | |
| 4232 } | |
| 4233 | |
| 4234 int TupleExp::checkSideEffect(int flag) | |
| 4235 { int f = 0; | |
| 4236 | |
| 4237 for (int i = 0; i < exps->dim; i++) | |
| 4238 { Expression *e = (Expression *)exps->data[i]; | |
| 4239 | |
| 4240 f |= e->checkSideEffect(2); | |
| 4241 } | |
| 4242 if (flag == 0 && f == 0) | |
| 4243 Expression::checkSideEffect(0); | |
| 4244 return f; | |
| 4245 } | |
| 4246 | |
|
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parents:
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diff
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|
4247 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
4248 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4249 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4250 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4251 } |
|
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Merged DMD 1.038
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diff
changeset
|
4252 #endif |
|
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diff
changeset
|
4253 |
| 159 | 4254 void TupleExp::checkEscape() |
| 4255 { | |
| 4256 for (size_t i = 0; i < exps->dim; i++) | |
| 4257 { Expression *e = (Expression *)exps->data[i]; | |
| 4258 e->checkEscape(); | |
| 4259 } | |
| 4260 } | |
| 4261 | |
| 4262 /******************************** FuncExp *********************************/ | |
| 4263 | |
| 4264 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4265 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4266 { | |
| 4267 this->fd = fd; | |
| 4268 } | |
| 4269 | |
| 4270 Expression *FuncExp::syntaxCopy() | |
| 4271 { | |
| 4272 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4273 } | |
| 4274 | |
| 4275 Expression *FuncExp::semantic(Scope *sc) | |
| 4276 { | |
| 4277 #if LOGSEMANTIC | |
| 4278 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4279 #endif | |
| 4280 if (!type) | |
| 4281 { | |
| 4282 fd->semantic(sc); | |
| 4283 fd->parent = sc->parent; | |
| 4284 if (global.errors) | |
| 4285 { | |
| 4286 if (!fd->type->next) | |
| 4287 fd->type->next = Type::terror; | |
| 4288 } | |
| 4289 else | |
| 4290 { | |
| 4291 fd->semantic2(sc); | |
| 4292 if (!global.errors) | |
| 4293 { | |
| 4294 fd->semantic3(sc); | |
| 4295 | |
| 4296 if (!global.errors && global.params.useInline) | |
| 4297 fd->inlineScan(); | |
| 4298 } | |
| 4299 } | |
| 4300 | |
| 4301 // Type is a "delegate to" or "pointer to" the function literal | |
| 4302 if (fd->isNested()) | |
| 4303 { | |
| 4304 type = new TypeDelegate(fd->type); | |
| 4305 type = type->semantic(loc, sc); | |
| 4306 } | |
| 4307 else | |
| 4308 { | |
| 4309 type = fd->type->pointerTo(); | |
| 4310 } | |
| 4311 } | |
| 4312 return this; | |
| 4313 } | |
| 4314 | |
| 4315 char *FuncExp::toChars() | |
| 4316 { | |
| 4317 return fd->toChars(); | |
| 4318 } | |
| 4319 | |
| 4320 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4321 { | |
| 4322 buf->writestring(fd->toChars()); | |
| 4323 } | |
| 4324 | |
| 4325 | |
| 4326 /******************************** DeclarationExp **************************/ | |
| 4327 | |
| 4328 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4329 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4330 { | |
| 4331 this->declaration = declaration; | |
| 4332 } | |
| 4333 | |
| 4334 Expression *DeclarationExp::syntaxCopy() | |
| 4335 { | |
| 4336 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4337 } | |
| 4338 | |
| 4339 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4340 { | |
| 4341 if (type) | |
| 4342 return this; | |
| 4343 | |
| 4344 #if LOGSEMANTIC | |
| 4345 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4346 #endif | |
| 4347 | |
| 4348 /* This is here to support extern(linkage) declaration, | |
| 4349 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4350 * wrapper. | |
| 4351 */ | |
| 4352 Dsymbol *s = declaration; | |
| 4353 | |
| 4354 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4355 if (ad) | |
| 4356 { | |
| 4357 if (ad->decl && ad->decl->dim == 1) | |
| 4358 s = (Dsymbol *)ad->decl->data[0]; | |
| 4359 } | |
| 4360 | |
| 4361 if (s->isVarDeclaration()) | |
| 4362 { // Do semantic() on initializer first, so: | |
| 4363 // int a = a; | |
| 4364 // will be illegal. | |
| 4365 declaration->semantic(sc); | |
| 4366 s->parent = sc->parent; | |
| 4367 } | |
| 4368 | |
| 4369 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4370 // Insert into both local scope and function scope. | |
| 4371 // Must be unique in both. | |
| 4372 if (s->ident) | |
| 4373 { | |
| 4374 if (!sc->insert(s)) | |
| 4375 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4376 else if (sc->func) | |
| 4377 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4378 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4379 !sc->func->localsymtab->insert(s)) | |
| 4380 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4381 else if (!global.params.useDeprecated) | |
| 4382 { // Disallow shadowing | |
| 4383 | |
| 4384 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4385 { Dsymbol *s2; | |
| 4386 | |
| 4387 if (scx->scopesym && scx->scopesym->symtab && | |
| 4388 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4389 s != s2) | |
| 4390 { | |
| 4391 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4392 } | |
| 4393 } | |
| 4394 } | |
| 4395 } | |
| 4396 } | |
| 4397 if (!s->isVarDeclaration()) | |
| 4398 { | |
| 4399 declaration->semantic(sc); | |
| 4400 s->parent = sc->parent; | |
| 4401 } | |
| 4402 if (!global.errors) | |
| 4403 { | |
| 4404 declaration->semantic2(sc); | |
| 4405 if (!global.errors) | |
| 4406 { | |
| 4407 declaration->semantic3(sc); | |
| 4408 | |
| 4409 if (!global.errors && global.params.useInline) | |
| 4410 declaration->inlineScan(); | |
| 4411 } | |
| 4412 } | |
| 4413 | |
| 4414 type = Type::tvoid; | |
| 4415 return this; | |
| 4416 } | |
| 4417 | |
| 4418 int DeclarationExp::checkSideEffect(int flag) | |
| 4419 { | |
| 4420 return 1; | |
| 4421 } | |
| 4422 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4427 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4428 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4429 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4430 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4431 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4432 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4433 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4434 |
| 159 | 4435 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4436 { | |
| 4437 declaration->toCBuffer(buf, hgs); | |
| 4438 } | |
| 4439 | |
| 4440 | |
| 4441 /************************ TypeidExp ************************************/ | |
| 4442 | |
| 4443 /* | |
| 4444 * typeid(int) | |
| 4445 */ | |
| 4446 | |
| 4447 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4448 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4449 { | |
| 4450 this->typeidType = typeidType; | |
| 4451 } | |
| 4452 | |
| 4453 | |
| 4454 Expression *TypeidExp::syntaxCopy() | |
| 4455 { | |
| 4456 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4457 } | |
| 4458 | |
| 4459 | |
| 4460 Expression *TypeidExp::semantic(Scope *sc) | |
| 4461 { Expression *e; | |
| 4462 | |
| 4463 #if LOGSEMANTIC | |
| 4464 printf("TypeidExp::semantic()\n"); | |
| 4465 #endif | |
| 4466 typeidType = typeidType->semantic(loc, sc); | |
| 4467 e = typeidType->getTypeInfo(sc); | |
| 336 | 4468 if (e->loc.linnum == 0) |
| 4469 e->loc = loc; // so there's at least some line number info | |
| 159 | 4470 return e; |
| 4471 } | |
| 4472 | |
| 4473 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4474 { | |
| 4475 buf->writestring("typeid("); | |
| 4476 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4477 buf->writeByte(')'); | |
| 4478 } | |
| 4479 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4480 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 #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
|
4482 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4483 * __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
|
4484 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4485 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4486 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
|
4487 : 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
|
4488 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4489 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
|
4490 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
|
4491 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 |
|
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 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
|
4495 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4496 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
|
4497 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4498 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4499 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4500 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
|
4501 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4502 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
|
4503 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
|
4504 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
|
4505 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4506 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
|
4507 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4508 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
|
4509 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
|
4510 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
|
4511 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4512 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4513 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
|
4514 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4515 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4516 |
| 159 | 4517 /************************************************************/ |
| 4518 | |
| 4519 HaltExp::HaltExp(Loc loc) | |
| 4520 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4521 { | |
| 4522 } | |
| 4523 | |
| 4524 Expression *HaltExp::semantic(Scope *sc) | |
| 4525 { | |
| 4526 #if LOGSEMANTIC | |
| 4527 printf("HaltExp::semantic()\n"); | |
| 4528 #endif | |
| 4529 type = Type::tvoid; | |
| 4530 return this; | |
| 4531 } | |
| 4532 | |
| 4533 int HaltExp::checkSideEffect(int flag) | |
| 4534 { | |
| 4535 return 1; | |
| 4536 } | |
| 4537 | |
| 4538 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4539 { | |
| 4540 buf->writestring("halt"); | |
| 4541 } | |
| 4542 | |
| 4543 /************************************************************/ | |
| 4544 | |
| 4545 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4546 Type *tspec, enum TOK tok2) | |
| 4547 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4548 { | |
| 4549 this->targ = targ; | |
| 4550 this->id = id; | |
| 4551 this->tok = tok; | |
| 4552 this->tspec = tspec; | |
| 4553 this->tok2 = tok2; | |
| 4554 } | |
| 4555 | |
| 4556 Expression *IsExp::syntaxCopy() | |
| 4557 { | |
| 4558 return new IsExp(loc, | |
| 4559 targ->syntaxCopy(), | |
| 4560 id, | |
| 4561 tok, | |
| 4562 tspec ? tspec->syntaxCopy() : NULL, | |
| 4563 tok2); | |
| 4564 } | |
| 4565 | |
| 4566 Expression *IsExp::semantic(Scope *sc) | |
| 4567 { Type *tded; | |
| 4568 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4569 /* 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
|
4570 * 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
|
4571 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4572 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4573 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4574 if (id && !(sc->flags & SCOPEstaticif)) |
| 4575 error("can only declare type aliases within static if conditionals"); | |
| 4576 | |
| 4577 unsigned errors_save = global.errors; | |
| 4578 global.errors = 0; | |
| 4579 global.gag++; // suppress printing of error messages | |
| 4580 targ = targ->semantic(loc, sc); | |
| 4581 global.gag--; | |
| 4582 unsigned gerrors = global.errors; | |
| 4583 global.errors = errors_save; | |
| 4584 | |
| 4585 if (gerrors) // if any errors happened | |
| 4586 { // then condition is false | |
| 4587 goto Lno; | |
| 4588 } | |
| 4589 else if (tok2 != TOKreserved) | |
| 4590 { | |
| 4591 switch (tok2) | |
| 4592 { | |
| 4593 case TOKtypedef: | |
| 4594 if (targ->ty != Ttypedef) | |
| 4595 goto Lno; | |
| 4596 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4597 break; | |
| 4598 | |
| 4599 case TOKstruct: | |
| 4600 if (targ->ty != Tstruct) | |
| 4601 goto Lno; | |
| 4602 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4603 goto Lno; | |
| 4604 tded = targ; | |
| 4605 break; | |
| 4606 | |
| 4607 case TOKunion: | |
| 4608 if (targ->ty != Tstruct) | |
| 4609 goto Lno; | |
| 4610 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4611 goto Lno; | |
| 4612 tded = targ; | |
| 4613 break; | |
| 4614 | |
| 4615 case TOKclass: | |
| 4616 if (targ->ty != Tclass) | |
| 4617 goto Lno; | |
| 4618 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4619 goto Lno; | |
| 4620 tded = targ; | |
| 4621 break; | |
| 4622 | |
| 4623 case TOKinterface: | |
| 4624 if (targ->ty != Tclass) | |
| 4625 goto Lno; | |
| 4626 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4627 goto Lno; | |
| 4628 tded = targ; | |
| 4629 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
|
4630 #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
|
4631 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
|
4632 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
|
4633 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
|
4634 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
|
4635 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4636 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4637 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4638 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
|
4639 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
|
4640 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
|
4641 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
|
4642 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4643 #endif |
| 159 | 4644 |
| 4645 case TOKsuper: | |
| 4646 // If class or interface, get the base class and interfaces | |
| 4647 if (targ->ty != Tclass) | |
| 4648 goto Lno; | |
| 4649 else | |
| 4650 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4651 Arguments *args = new Arguments; | |
| 4652 args->reserve(cd->baseclasses.dim); | |
| 4653 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4654 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4655 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4656 } | |
| 4657 tded = new TypeTuple(args); | |
| 4658 } | |
| 4659 break; | |
| 4660 | |
| 4661 case TOKenum: | |
| 4662 if (targ->ty != Tenum) | |
| 4663 goto Lno; | |
| 4664 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4665 break; | |
| 4666 | |
| 4667 case TOKdelegate: | |
| 4668 if (targ->ty != Tdelegate) | |
| 4669 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
|
4670 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4671 break; |
| 4672 | |
| 4673 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
|
4674 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4675 if (targ->ty != Tfunction) |
| 159 | 4676 goto Lno; |
| 4677 tded = targ; | |
| 4678 | |
| 4679 /* Generate tuple from function parameter types. | |
| 4680 */ | |
| 4681 assert(tded->ty == Tfunction); | |
| 4682 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4683 size_t dim = Argument::dim(params); | |
| 4684 Arguments *args = new Arguments; | |
| 4685 args->reserve(dim); | |
| 4686 for (size_t i = 0; i < dim; i++) | |
| 4687 { Argument *arg = Argument::getNth(params, i); | |
| 4688 assert(arg && arg->type); | |
| 4689 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4690 } | |
| 4691 tded = new TypeTuple(args); | |
| 4692 break; | |
| 4693 } | |
| 4694 case TOKreturn: | |
| 4695 /* Get the 'return type' for the function, | |
| 4696 * delegate, or pointer to function. | |
| 4697 */ | |
| 4698 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
|
4699 tded = ((TypeFunction *)targ)->next; |
| 159 | 4700 else if (targ->ty == Tdelegate) |
| 4701 tded = targ->next->next; | |
| 4702 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4703 tded = targ->next->next; | |
| 4704 else | |
| 4705 goto Lno; | |
| 4706 break; | |
| 4707 | |
| 4708 default: | |
| 4709 assert(0); | |
| 4710 } | |
| 4711 goto Lyes; | |
| 4712 } | |
| 4713 else if (id && tspec) | |
| 4714 { | |
| 4715 /* Evaluate to TRUE if targ matches tspec. | |
| 4716 * If TRUE, declare id as an alias for the specialized type. | |
| 4717 */ | |
| 4718 | |
| 4719 MATCH m; | |
| 4720 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4721 | |
| 4722 TemplateParameters parameters; | |
| 4723 parameters.setDim(1); | |
| 4724 parameters.data[0] = (void *)&tp; | |
| 4725 | |
| 4726 Objects dedtypes; | |
| 4727 dedtypes.setDim(1); | |
| 4728 dedtypes.data[0] = NULL; | |
| 4729 | |
| 4730 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4731 if (m == MATCHnomatch || | |
| 4732 (m != MATCHexact && tok == TOKequal)) | |
| 4733 goto Lno; | |
| 4734 else | |
| 4735 { | |
| 4736 assert(dedtypes.dim == 1); | |
| 4737 tded = (Type *)dedtypes.data[0]; | |
| 4738 if (!tded) | |
| 4739 tded = targ; | |
| 4740 goto Lyes; | |
| 4741 } | |
| 4742 } | |
| 4743 else if (id) | |
| 4744 { | |
| 4745 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4746 */ | |
| 4747 tded = targ; | |
| 4748 goto Lyes; | |
| 4749 } | |
| 4750 else if (tspec) | |
| 4751 { | |
| 4752 /* Evaluate to TRUE if targ matches tspec | |
| 4753 */ | |
| 4754 tspec = tspec->semantic(loc, sc); | |
| 4755 //printf("targ = %s\n", targ->toChars()); | |
| 4756 //printf("tspec = %s\n", tspec->toChars()); | |
| 4757 if (tok == TOKcolon) | |
| 4758 { if (targ->implicitConvTo(tspec)) | |
| 4759 goto Lyes; | |
| 4760 else | |
| 4761 goto Lno; | |
| 4762 } | |
| 4763 else /* == */ | |
| 4764 { if (targ->equals(tspec)) | |
| 4765 goto Lyes; | |
| 4766 else | |
| 4767 goto Lno; | |
| 4768 } | |
| 4769 } | |
| 4770 | |
| 4771 Lyes: | |
| 4772 if (id) | |
| 4773 { | |
| 4774 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4775 s->semantic(sc); | |
| 4776 sc->insert(s); | |
| 4777 if (sc->sd) | |
| 4778 s->addMember(sc, sc->sd, 1); | |
| 4779 } | |
| 4780 return new IntegerExp(1); | |
| 4781 | |
| 4782 Lno: | |
| 4783 return new IntegerExp(0); | |
| 4784 } | |
| 4785 | |
| 4786 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4787 { | |
| 4788 buf->writestring("is("); | |
| 4789 targ->toCBuffer(buf, id, hgs); | |
| 4790 if (tok2 != TOKreserved) | |
| 4791 { | |
| 4792 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4793 } | |
| 4794 else if (tspec) | |
| 4795 { | |
| 4796 if (tok == TOKcolon) | |
| 4797 buf->writestring(" : "); | |
| 4798 else | |
| 4799 buf->writestring(" == "); | |
| 4800 tspec->toCBuffer(buf, NULL, hgs); | |
| 4801 } | |
| 336 | 4802 #if DMDV2 |
| 159 | 4803 if (parameters) |
| 4804 { // First parameter is already output, so start with second | |
| 4805 for (int i = 1; i < parameters->dim; i++) | |
| 4806 { | |
| 4807 buf->writeByte(','); | |
| 4808 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4809 tp->toCBuffer(buf, hgs); | |
| 4810 } | |
| 4811 } | |
| 4812 #endif | |
| 4813 buf->writeByte(')'); | |
| 4814 } | |
| 4815 | |
| 4816 | |
| 4817 /************************************************************/ | |
| 4818 | |
| 4819 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4820 : Expression(loc, op, size) | |
| 4821 { | |
| 4822 this->e1 = e1; | |
| 4823 } | |
| 4824 | |
| 4825 Expression *UnaExp::syntaxCopy() | |
| 4826 { UnaExp *e; | |
| 4827 | |
| 4828 e = (UnaExp *)copy(); | |
| 4829 e->type = NULL; | |
| 4830 e->e1 = e->e1->syntaxCopy(); | |
| 4831 return e; | |
| 4832 } | |
| 4833 | |
| 4834 Expression *UnaExp::semantic(Scope *sc) | |
| 4835 { | |
| 4836 #if LOGSEMANTIC | |
| 4837 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4838 #endif | |
| 4839 e1 = e1->semantic(sc); | |
| 4840 // if (!e1->type) | |
| 4841 // error("%s has no value", e1->toChars()); | |
| 4842 return this; | |
| 4843 } | |
| 4844 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4845 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4846 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4847 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4848 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4849 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4850 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4851 |
| 159 | 4852 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4853 { | |
| 4854 buf->writestring(Token::toChars(op)); | |
| 4855 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4856 } | |
| 4857 | |
| 4858 /************************************************************/ | |
| 4859 | |
| 4860 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4861 : Expression(loc, op, size) | |
| 4862 { | |
| 4863 this->e1 = e1; | |
| 4864 this->e2 = e2; | |
| 4865 } | |
| 4866 | |
| 4867 Expression *BinExp::syntaxCopy() | |
| 4868 { BinExp *e; | |
| 4869 | |
| 4870 e = (BinExp *)copy(); | |
| 4871 e->type = NULL; | |
| 4872 e->e1 = e->e1->syntaxCopy(); | |
| 4873 e->e2 = e->e2->syntaxCopy(); | |
| 4874 return e; | |
| 4875 } | |
| 4876 | |
| 4877 Expression *BinExp::semantic(Scope *sc) | |
| 4878 { | |
| 4879 #if LOGSEMANTIC | |
| 4880 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4881 #endif | |
| 4882 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4883 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4884 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4885 { |
| 4886 error("%s has no value", e1->toChars()); | |
| 4887 e1->type = Type::terror; | |
| 4888 } | |
| 4889 e2 = e2->semantic(sc); | |
| 4890 if (!e2->type) | |
| 4891 { | |
| 4892 error("%s has no value", e2->toChars()); | |
| 4893 e2->type = Type::terror; | |
| 4894 } | |
| 4895 return this; | |
| 4896 } | |
| 4897 | |
| 4898 Expression *BinExp::semanticp(Scope *sc) | |
| 4899 { | |
| 4900 BinExp::semantic(sc); | |
| 4901 e1 = resolveProperties(sc, e1); | |
| 4902 e2 = resolveProperties(sc, e2); | |
| 4903 return this; | |
| 4904 } | |
| 4905 | |
| 4906 /*************************** | |
| 4907 * Common semantic routine for some xxxAssignExp's. | |
| 4908 */ | |
| 4909 | |
| 4910 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4911 { Expression *e; | |
| 4912 | |
| 4913 if (!type) | |
| 4914 { | |
| 4915 BinExp::semantic(sc); | |
| 4916 e2 = resolveProperties(sc, e2); | |
| 4917 | |
| 4918 e = op_overload(sc); | |
| 4919 if (e) | |
| 4920 return e; | |
| 4921 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4922 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
|
4923 { // 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
|
4924 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
|
4925 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
|
4926 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
|
4927 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4928 |
| 159 | 4929 e1 = e1->modifiableLvalue(sc, e1); |
| 4930 e1->checkScalar(); | |
| 4931 type = e1->type; | |
| 4932 if (type->toBasetype()->ty == Tbool) | |
| 4933 { | |
| 4934 error("operator not allowed on bool expression %s", toChars()); | |
| 4935 } | |
| 4936 typeCombine(sc); | |
| 4937 e1->checkArithmetic(); | |
| 4938 e2->checkArithmetic(); | |
| 4939 | |
| 4940 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4941 { error("cannot perform modulo complex arithmetic"); | |
| 4942 return new IntegerExp(0); | |
| 4943 } | |
| 4944 } | |
| 4945 return this; | |
| 4946 } | |
| 4947 | |
| 4948 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4949 { Expression *e; | |
| 4950 | |
| 4951 if (!type) | |
| 4952 { | |
| 4953 BinExp::semantic(sc); | |
| 4954 e2 = resolveProperties(sc, e2); | |
| 4955 | |
| 4956 e = op_overload(sc); | |
| 4957 if (e) | |
| 4958 return e; | |
| 4959 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4960 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
|
4961 { // 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
|
4962 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
|
4963 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
|
4964 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
|
4965 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4966 |
| 159 | 4967 e1 = e1->modifiableLvalue(sc, e1); |
| 4968 e1->checkScalar(); | |
| 4969 type = e1->type; | |
| 4970 if (type->toBasetype()->ty == Tbool) | |
| 4971 { | |
| 4972 e2 = e2->implicitCastTo(sc, type); | |
| 4973 } | |
| 4974 | |
| 4975 typeCombine(sc); | |
| 4976 e1->checkIntegral(); | |
| 4977 e2->checkIntegral(); | |
| 4978 } | |
| 4979 return this; | |
| 4980 } | |
| 4981 | |
| 4982 int BinExp::checkSideEffect(int flag) | |
| 4983 { | |
| 4984 if (op == TOKplusplus || | |
| 4985 op == TOKminusminus || | |
| 4986 op == TOKassign || | |
| 4987 op == TOKconstruct || | |
| 4988 op == TOKblit || | |
| 4989 op == TOKaddass || | |
| 4990 op == TOKminass || | |
| 4991 op == TOKcatass || | |
| 4992 op == TOKmulass || | |
| 4993 op == TOKdivass || | |
| 4994 op == TOKmodass || | |
| 4995 op == TOKshlass || | |
| 4996 op == TOKshrass || | |
| 4997 op == TOKushrass || | |
| 4998 op == TOKandass || | |
| 4999 op == TOKorass || | |
| 5000 op == TOKxorass || | |
| 5001 op == TOKin || | |
| 5002 op == TOKremove) | |
| 5003 return 1; | |
| 5004 return Expression::checkSideEffect(flag); | |
| 5005 } | |
| 5006 | |
| 5007 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5008 { | |
| 5009 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5010 buf->writeByte(' '); | |
| 5011 buf->writestring(Token::toChars(op)); | |
| 5012 buf->writeByte(' '); | |
| 5013 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5014 } | |
| 5015 | |
| 5016 int BinExp::isunsigned() | |
| 5017 { | |
| 5018 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5019 } | |
| 5020 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5021 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5022 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5023 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5024 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5025 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5026 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5027 |
| 159 | 5028 void BinExp::incompatibleTypes() |
| 5029 { | |
| 5030 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5031 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5032 e1->type->toChars(), e2->type->toChars()); | |
| 5033 } | |
| 5034 | |
| 5035 /************************************************************/ | |
| 5036 | |
| 5037 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5038 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5039 { | |
| 5040 } | |
| 5041 | |
| 5042 Expression *CompileExp::semantic(Scope *sc) | |
| 5043 { | |
| 5044 #if LOGSEMANTIC | |
| 5045 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5046 #endif | |
| 5047 UnaExp::semantic(sc); | |
| 5048 e1 = resolveProperties(sc, e1); | |
| 5049 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5050 if (e1->op != TOKstring) | |
| 5051 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5052 type = Type::terror; | |
| 5053 return this; | |
| 5054 } | |
| 5055 StringExp *se = (StringExp *)e1; | |
| 5056 se = se->toUTF8(sc); | |
| 5057 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5058 p.loc = loc; | |
| 5059 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5060 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5061 Expression *e = p.parseExpression(); |
| 5062 if (p.token.value != TOKeof) | |
| 5063 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5064 return e->semantic(sc); | |
| 5065 } | |
| 5066 | |
| 5067 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5068 { | |
| 5069 buf->writestring("mixin("); | |
| 5070 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5071 buf->writeByte(')'); | |
| 5072 } | |
| 5073 | |
| 5074 /************************************************************/ | |
| 5075 | |
| 5076 FileExp::FileExp(Loc loc, Expression *e) | |
| 5077 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5078 { | |
| 5079 } | |
| 5080 | |
| 5081 Expression *FileExp::semantic(Scope *sc) | |
| 5082 { char *name; | |
| 5083 StringExp *se; | |
| 5084 | |
| 5085 #if LOGSEMANTIC | |
| 5086 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5087 #endif | |
| 5088 UnaExp::semantic(sc); | |
| 5089 e1 = resolveProperties(sc, e1); | |
| 5090 e1 = e1->optimize(WANTvalue); | |
| 5091 if (e1->op != TOKstring) | |
| 5092 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5093 goto Lerror; | |
| 5094 } | |
| 5095 se = (StringExp *)e1; | |
| 5096 se = se->toUTF8(sc); | |
| 5097 name = (char *)se->string; | |
| 5098 | |
| 5099 if (!global.params.fileImppath) | |
| 5100 { error("need -Jpath switch to import text file %s", name); | |
| 5101 goto Lerror; | |
| 5102 } | |
| 5103 | |
| 5104 if (name != FileName::name(name)) | |
| 5105 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5106 goto Lerror; | |
| 5107 } | |
| 5108 | |
| 5109 name = FileName::searchPath(global.filePath, name, 0); | |
| 5110 if (!name) | |
| 5111 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5112 goto Lerror; | |
| 5113 } | |
| 5114 | |
| 5115 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5116 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5117 |
| 5118 { File f(name); | |
| 5119 if (f.read()) | |
| 5120 { error("cannot read file %s", f.toChars()); | |
| 5121 goto Lerror; | |
| 5122 } | |
| 5123 else | |
| 5124 { | |
| 5125 f.ref = 1; | |
| 5126 se = new StringExp(loc, f.buffer, f.len); | |
| 5127 } | |
| 5128 } | |
| 5129 Lret: | |
| 5130 return se->semantic(sc); | |
| 5131 | |
| 5132 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5133 se = new StringExp(loc, (char *)""); |
| 159 | 5134 goto Lret; |
| 5135 } | |
| 5136 | |
| 5137 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5138 { | |
| 5139 buf->writestring("import("); | |
| 5140 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5141 buf->writeByte(')'); | |
| 5142 } | |
| 5143 | |
| 5144 /************************************************************/ | |
| 5145 | |
| 5146 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5147 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5148 { | |
| 5149 this->msg = msg; | |
| 5150 } | |
| 5151 | |
| 5152 Expression *AssertExp::syntaxCopy() | |
| 5153 { | |
| 5154 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5155 msg ? msg->syntaxCopy() : NULL); | |
| 5156 return ae; | |
| 5157 } | |
| 5158 | |
| 5159 Expression *AssertExp::semantic(Scope *sc) | |
| 5160 { | |
| 5161 #if LOGSEMANTIC | |
| 5162 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5163 #endif | |
| 5164 UnaExp::semantic(sc); | |
| 5165 e1 = resolveProperties(sc, e1); | |
| 5166 // BUG: see if we can do compile time elimination of the Assert | |
| 5167 e1 = e1->optimize(WANTvalue); | |
| 5168 e1 = e1->checkToBoolean(); | |
| 5169 if (msg) | |
| 5170 { | |
| 5171 msg = msg->semantic(sc); | |
| 5172 msg = resolveProperties(sc, msg); | |
| 5173 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5174 msg = msg->optimize(WANTvalue); | |
| 5175 } | |
| 5176 if (e1->isBool(FALSE)) | |
| 5177 { | |
| 5178 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5179 fd->hasReturnExp |= 4; | |
| 5180 | |
| 5181 if (!global.params.useAssert) | |
| 5182 { Expression *e = new HaltExp(loc); | |
| 5183 e = e->semantic(sc); | |
| 5184 return e; | |
| 5185 } | |
| 5186 } | |
| 5187 type = Type::tvoid; | |
| 5188 return this; | |
| 5189 } | |
| 5190 | |
| 5191 int AssertExp::checkSideEffect(int flag) | |
| 5192 { | |
| 5193 return 1; | |
| 5194 } | |
| 5195 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5196 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5197 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5198 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5199 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5200 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5201 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5202 |
| 159 | 5203 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5204 { | |
| 5205 buf->writestring("assert("); | |
| 5206 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5207 if (msg) | |
| 5208 { | |
| 5209 buf->writeByte(','); | |
| 5210 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5211 } | |
| 5212 buf->writeByte(')'); | |
| 5213 } | |
| 5214 | |
| 5215 /************************************************************/ | |
| 5216 | |
| 5217 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5218 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5219 { | |
| 5220 this->ident = ident; | |
| 5221 } | |
| 5222 | |
| 5223 Expression *DotIdExp::semantic(Scope *sc) | |
| 5224 { Expression *e; | |
| 5225 Expression *eleft; | |
| 5226 Expression *eright; | |
| 5227 | |
| 5228 #if LOGSEMANTIC | |
| 5229 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5230 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5231 #endif | |
| 5232 | |
| 5233 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5234 | |
| 5235 #if 0 | |
| 5236 /* Don't do semantic analysis if we'll be converting | |
| 5237 * it to a string. | |
| 5238 */ | |
| 5239 if (ident == Id::stringof) | |
| 5240 { char *s = e1->toChars(); | |
| 5241 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5242 e = e->semantic(sc); | |
| 5243 return e; | |
| 5244 } | |
| 5245 #endif | |
| 5246 | |
| 5247 /* Special case: rewrite this.id and super.id | |
| 5248 * to be classtype.id and baseclasstype.id | |
| 5249 * if we have no this pointer. | |
| 5250 */ | |
| 5251 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5252 { ClassDeclaration *cd; | |
| 5253 StructDeclaration *sd; | |
| 5254 AggregateDeclaration *ad; | |
| 5255 | |
| 5256 ad = sc->getStructClassScope(); | |
| 5257 if (ad) | |
| 5258 { | |
| 5259 cd = ad->isClassDeclaration(); | |
| 5260 if (cd) | |
| 5261 { | |
| 5262 if (e1->op == TOKthis) | |
| 5263 { | |
| 5264 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5265 return e->semantic(sc); | |
| 5266 } | |
| 5267 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5268 { | |
| 5269 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5270 return e->semantic(sc); | |
| 5271 } | |
| 5272 } | |
| 5273 else | |
| 5274 { | |
| 5275 sd = ad->isStructDeclaration(); | |
| 5276 if (sd) | |
| 5277 { | |
| 5278 if (e1->op == TOKthis) | |
| 5279 { | |
| 5280 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5281 return e->semantic(sc); | |
| 5282 } | |
| 5283 } | |
| 5284 } | |
| 5285 } | |
| 5286 } | |
| 5287 | |
| 5288 UnaExp::semantic(sc); | |
| 5289 | |
| 5290 if (e1->op == TOKdotexp) | |
| 5291 { | |
| 5292 DotExp *de = (DotExp *)e1; | |
| 5293 eleft = de->e1; | |
| 5294 eright = de->e2; | |
| 5295 } | |
| 5296 else | |
| 5297 { | |
| 5298 e1 = resolveProperties(sc, e1); | |
| 5299 eleft = NULL; | |
| 5300 eright = e1; | |
| 5301 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5302 #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
|
5303 if (e1->op == TOKtuple && ident == Id::offsetof) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5304 { /* 'distribute' the .offsetof to each of the tuple elements. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5305 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5306 TupleExp *te = (TupleExp *)e1; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5307 Expressions *exps = new Expressions(); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5308 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
|
5309 for (int i = 0; i < exps->dim; i++) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5310 { Expression *e = (Expression *)te->exps->data[i]; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5311 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
|
5312 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
|
5313 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
|
5314 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5315 e = new TupleExp(loc, exps); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5316 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
|
5317 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
|
5318 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5319 #endif |
| 159 | 5320 |
| 5321 if (e1->op == TOKtuple && ident == Id::length) | |
| 5322 { | |
| 5323 TupleExp *te = (TupleExp *)e1; | |
| 5324 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5325 return e; | |
| 5326 } | |
| 5327 | |
| 5328 if (eright->op == TOKimport) // also used for template alias's | |
| 5329 { | |
| 5330 ScopeExp *ie = (ScopeExp *)eright; | |
| 5331 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5332 /* 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
|
5333 * 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
|
5334 * 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
|
5335 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5336 Dsymbol *s = ie->sds->search(loc, ident, |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5337 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5338 if (s) |
| 5339 { | |
| 5340 s = s->toAlias(); | |
| 5341 checkDeprecated(sc, s); | |
| 5342 | |
| 5343 EnumMember *em = s->isEnumMember(); | |
| 5344 if (em) | |
| 5345 { | |
| 5346 e = em->value; | |
| 5347 e = e->semantic(sc); | |
| 5348 return e; | |
| 5349 } | |
| 5350 | |
| 5351 VarDeclaration *v = s->isVarDeclaration(); | |
| 5352 if (v) | |
| 5353 { | |
| 5354 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5355 if (v->inuse) | |
| 5356 { | |
| 5357 error("circular reference to '%s'", v->toChars()); | |
| 5358 type = Type::tint32; | |
| 5359 return this; | |
| 5360 } | |
| 5361 type = v->type; | |
| 5362 if (v->isConst()) | |
| 5363 { | |
| 5364 if (v->init) | |
| 5365 { | |
| 5366 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5367 if (ei) | |
| 5368 { | |
| 5369 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5370 //ei->exp = ei->exp->semantic(sc); | |
| 5371 if (ei->exp->type == type) | |
| 5372 { | |
| 5373 e = ei->exp->copy(); // make copy so we can change loc | |
| 5374 e->loc = loc; | |
| 5375 return e; | |
| 5376 } | |
| 5377 } | |
| 5378 } | |
| 5379 else if (type->isscalar()) | |
| 5380 { | |
| 5381 e = type->defaultInit(); | |
| 5382 e->loc = loc; | |
| 5383 return e; | |
| 5384 } | |
| 5385 } | |
| 5386 if (v->needThis()) | |
| 5387 { | |
| 5388 if (!eleft) | |
| 5389 eleft = new ThisExp(loc); | |
| 5390 e = new DotVarExp(loc, eleft, v); | |
| 5391 e = e->semantic(sc); | |
| 5392 } | |
| 5393 else | |
| 5394 { | |
| 5395 e = new VarExp(loc, v); | |
| 5396 if (eleft) | |
| 5397 { e = new CommaExp(loc, eleft, e); | |
| 5398 e->type = v->type; | |
| 5399 } | |
| 5400 } | |
| 5401 return e->deref(); | |
| 5402 } | |
| 5403 | |
| 5404 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5405 if (f) | |
| 5406 { | |
| 5407 //printf("it's a function\n"); | |
| 5408 if (f->needThis()) | |
| 5409 { | |
| 5410 if (!eleft) | |
| 5411 eleft = new ThisExp(loc); | |
| 5412 e = new DotVarExp(loc, eleft, f); | |
| 5413 e = e->semantic(sc); | |
| 5414 } | |
| 5415 else | |
| 5416 { | |
| 5417 e = new VarExp(loc, f); | |
| 5418 if (eleft) | |
| 5419 { e = new CommaExp(loc, eleft, e); | |
| 5420 e->type = f->type; | |
| 5421 } | |
| 5422 } | |
| 5423 return e; | |
| 5424 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5425 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5426 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5427 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5428 { //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
|
5429 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5430 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5431 #endif |
| 159 | 5432 |
| 5433 Type *t = s->getType(); | |
| 5434 if (t) | |
| 5435 { | |
| 5436 return new TypeExp(loc, t); | |
| 5437 } | |
| 5438 | |
| 336 | 5439 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5440 if (tup) | |
| 5441 { | |
| 5442 if (eleft) | |
| 5443 error("cannot have e.tuple"); | |
| 5444 e = new TupleExp(loc, tup); | |
| 5445 e = e->semantic(sc); | |
| 5446 return e; | |
| 5447 } | |
| 5448 | |
| 159 | 5449 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5450 if (sds) | |
| 5451 { | |
| 5452 //printf("it's a ScopeDsymbol\n"); | |
| 5453 e = new ScopeExp(loc, sds); | |
| 5454 e = e->semantic(sc); | |
| 5455 if (eleft) | |
| 5456 e = new DotExp(loc, eleft, e); | |
| 5457 return e; | |
| 5458 } | |
| 5459 | |
| 5460 Import *imp = s->isImport(); | |
| 5461 if (imp) | |
| 5462 { | |
| 5463 ScopeExp *ie; | |
| 5464 | |
| 5465 ie = new ScopeExp(loc, imp->pkg); | |
| 5466 return ie->semantic(sc); | |
| 5467 } | |
| 5468 | |
| 5469 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5470 #ifdef DEBUG | |
| 5471 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5472 #endif | |
| 5473 assert(0); | |
| 5474 } | |
| 5475 else if (ident == Id::stringof) | |
| 5476 { char *s = ie->toChars(); | |
| 5477 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5478 e = e->semantic(sc); | |
| 5479 return e; | |
| 5480 } | |
| 5481 error("undefined identifier %s", toChars()); | |
| 5482 type = Type::tvoid; | |
| 5483 return this; | |
| 5484 } | |
| 5485 else if (e1->type->ty == Tpointer && | |
| 5486 ident != Id::init && ident != Id::__sizeof && | |
| 5487 ident != Id::alignof && ident != Id::offsetof && | |
| 5488 ident != Id::mangleof && ident != Id::stringof) | |
| 5489 { | |
| 5490 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
|
5491 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5492 return e->type->dotExp(sc, e, ident); |
| 5493 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5494 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5495 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5496 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5497 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5498 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5499 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 * as: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5501 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5502 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5503 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5504 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 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
|
5508 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5509 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5510 e = new DotIdExp(loc, new IdentifierExp(loc, Id::empty), ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5511 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5512 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5513 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5514 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5515 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5516 #endif |
| 159 | 5517 else |
| 5518 { | |
| 5519 e = e1->type->dotExp(sc, e1, ident); | |
| 5520 e = e->semantic(sc); | |
| 5521 return e; | |
| 5522 } | |
| 5523 } | |
| 5524 | |
| 5525 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5526 { | |
| 5527 //printf("DotIdExp::toCBuffer()\n"); | |
| 5528 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5529 buf->writeByte('.'); | |
| 5530 buf->writestring(ident->toChars()); | |
| 5531 } | |
| 5532 | |
| 5533 /********************** DotTemplateExp ***********************************/ | |
| 5534 | |
| 5535 // Mainly just a placeholder | |
| 5536 | |
| 5537 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5538 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5539 | |
| 5540 { | |
| 5541 this->td = td; | |
| 5542 } | |
| 5543 | |
| 5544 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5545 { | |
| 5546 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5547 buf->writeByte('.'); | |
| 5548 buf->writestring(td->toChars()); | |
| 5549 } | |
| 5550 | |
| 5551 | |
| 5552 /************************************************************/ | |
| 5553 | |
| 5554 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5555 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5556 { | |
| 5557 //printf("DotVarExp()\n"); | |
| 5558 this->var = v; | |
| 5559 } | |
| 5560 | |
| 5561 Expression *DotVarExp::semantic(Scope *sc) | |
| 5562 { | |
| 5563 #if LOGSEMANTIC | |
| 5564 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5565 #endif | |
| 5566 if (!type) | |
| 5567 { | |
| 5568 var = var->toAlias()->isDeclaration(); | |
| 5569 | |
| 5570 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5571 if (tup) | |
| 5572 { /* Replace: | |
| 5573 * e1.tuple(a, b, c) | |
| 5574 * with: | |
| 5575 * tuple(e1.a, e1.b, e1.c) | |
| 5576 */ | |
| 5577 Expressions *exps = new Expressions; | |
| 5578 | |
| 5579 exps->reserve(tup->objects->dim); | |
| 5580 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5581 { Object *o = (Object *)tup->objects->data[i]; | |
| 5582 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5583 { | |
| 5584 error("%s is not an expression", o->toChars()); | |
| 5585 } | |
| 5586 else | |
| 5587 { | |
| 5588 Expression *e = (Expression *)o; | |
| 5589 if (e->op != TOKdsymbol) | |
| 5590 error("%s is not a member", e->toChars()); | |
| 5591 else | |
| 5592 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5593 | |
| 5594 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5595 exps->push(e); | |
| 5596 } | |
| 5597 } | |
| 5598 } | |
| 5599 Expression *e = new TupleExp(loc, exps); | |
| 5600 e = e->semantic(sc); | |
| 5601 return e; | |
| 5602 } | |
| 5603 | |
| 5604 e1 = e1->semantic(sc); | |
| 5605 type = var->type; | |
| 5606 if (!type && global.errors) | |
| 5607 { // var is goofed up, just return 0 | |
| 5608 return new IntegerExp(0); | |
| 5609 } | |
| 5610 assert(type); | |
| 5611 | |
| 5612 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5613 { | |
| 5614 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5615 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5616 if (!sc->noaccesscheck) | |
| 5617 accessCheck(loc, sc, e1, var); | |
| 5618 | |
| 5619 VarDeclaration *v = var->isVarDeclaration(); | |
| 5620 if (v && v->isConst()) | |
| 5621 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5622 if (ei) | |
| 5623 { Expression *e = ei->exp->copy(); | |
| 5624 e = e->semantic(sc); | |
| 5625 return e; | |
| 159 | 5626 } |
| 5627 } | |
| 5628 } | |
| 5629 } | |
| 5630 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5631 return this; | |
| 5632 } | |
| 5633 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5634 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5635 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5636 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5637 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5638 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5639 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5640 |
| 159 | 5641 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5642 { | |
| 5643 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5644 return this; | |
| 5645 } | |
| 5646 | |
| 5647 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5648 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5649 #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
|
5650 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
|
5651 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
|
5652 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
|
5653 #endif |
| 159 | 5654 |
| 5655 if (var->isCtorinit()) | |
| 5656 { // It's only modifiable if inside the right constructor | |
| 5657 Dsymbol *s = sc->func; | |
| 5658 while (1) | |
| 5659 { | |
| 5660 FuncDeclaration *fd = NULL; | |
| 5661 if (s) | |
| 5662 fd = s->isFuncDeclaration(); | |
| 5663 if (fd && | |
| 5664 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5665 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5666 fd->toParent() == var->toParent() && | |
| 5667 e1->op == TOKthis | |
| 5668 ) | |
| 5669 { | |
| 5670 VarDeclaration *v = var->isVarDeclaration(); | |
| 5671 assert(v); | |
| 5672 v->ctorinit = 1; | |
| 5673 //printf("setting ctorinit\n"); | |
| 5674 } | |
| 5675 else | |
| 5676 { | |
| 5677 if (s) | |
| 5678 { s = s->toParent2(); | |
| 5679 continue; | |
| 5680 } | |
| 5681 else | |
| 5682 { | |
| 5683 const char *p = var->isStatic() ? "static " : ""; | |
| 5684 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5685 p, var->toChars(), p); | |
| 5686 } | |
| 5687 } | |
| 5688 break; | |
| 5689 } | |
| 5690 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5698 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5699 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5700 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5701 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5702 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5703 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5704 #endif |
| 159 | 5705 return this; |
| 5706 } | |
| 5707 | |
| 5708 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5709 { | |
| 5710 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5711 buf->writeByte('.'); | |
| 5712 buf->writestring(var->toChars()); | |
| 5713 } | |
| 5714 | |
| 5715 /************************************************************/ | |
| 5716 | |
| 5717 /* Things like: | |
| 5718 * foo.bar!(args) | |
| 5719 */ | |
| 5720 | |
| 5721 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5722 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5723 { | |
| 5724 //printf("DotTemplateInstanceExp()\n"); | |
| 5725 this->ti = ti; | |
| 5726 } | |
| 5727 | |
| 5728 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5729 { | |
| 5730 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5731 e1->syntaxCopy(), | |
| 5732 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5733 return de; | |
| 5734 } | |
| 5735 | |
| 5736 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5737 { Dsymbol *s; | |
| 5738 Dsymbol *s2; | |
| 5739 TemplateDeclaration *td; | |
| 5740 Expression *e; | |
| 5741 Identifier *id; | |
| 5742 Type *t1; | |
| 5743 Expression *eleft = NULL; | |
| 5744 Expression *eright; | |
| 5745 | |
| 5746 #if LOGSEMANTIC | |
| 5747 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5748 #endif | |
| 5749 //e1->print(); | |
| 5750 //print(); | |
| 5751 e1 = e1->semantic(sc); | |
| 5752 t1 = e1->type; | |
| 5753 if (t1) | |
| 5754 t1 = t1->toBasetype(); | |
| 5755 //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
|
5756 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5757 /* 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
|
5758 * 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
|
5759 * 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
|
5760 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5761 |
| 159 | 5762 if (e1->op == TOKdotexp) |
| 5763 { DotExp *de = (DotExp *)e1; | |
| 5764 eleft = de->e1; | |
| 5765 eright = de->e2; | |
| 5766 } | |
| 5767 else | |
| 5768 { eleft = NULL; | |
| 5769 eright = e1; | |
| 5770 } | |
| 5771 if (eright->op == TOKimport) | |
| 5772 { | |
| 5773 s = ((ScopeExp *)eright)->sds; | |
| 5774 } | |
| 5775 else if (e1->op == TOKtype) | |
| 5776 { | |
| 5777 s = t1->isClassHandle(); | |
| 5778 if (!s) | |
| 5779 { if (t1->ty == Tstruct) | |
| 5780 s = ((TypeStruct *)t1)->sym; | |
| 5781 else | |
| 5782 goto L1; | |
| 5783 } | |
| 5784 } | |
| 5785 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5786 { | |
| 5787 s = t1->toDsymbol(sc); | |
| 5788 eleft = e1; | |
| 5789 } | |
| 5790 else if (t1 && t1->ty == Tpointer) | |
| 5791 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5792 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5793 if (t1->ty != Tstruct) |
| 5794 goto L1; | |
| 5795 s = t1->toDsymbol(sc); | |
| 5796 eleft = e1; | |
| 5797 } | |
| 5798 else | |
| 5799 { | |
| 5800 L1: | |
| 5801 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5802 goto Lerr; | |
| 5803 } | |
| 5804 | |
| 5805 assert(s); | |
| 5806 id = ti->name; | |
| 5807 s2 = s->search(loc, id, 0); | |
| 5808 if (!s2) | |
| 5809 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5810 goto Lerr; | |
| 5811 } | |
| 5812 s = s2; | |
| 5813 s->semantic(sc); | |
| 5814 s = s->toAlias(); | |
| 5815 td = s->isTemplateDeclaration(); | |
| 5816 if (!td) | |
| 5817 { | |
| 5818 error("%s is not a template", id->toChars()); | |
| 5819 goto Lerr; | |
| 5820 } | |
| 5821 if (global.errors) | |
| 5822 goto Lerr; | |
| 5823 | |
| 5824 ti->tempdecl = td; | |
| 5825 | |
| 5826 if (eleft) | |
| 5827 { Declaration *v; | |
| 5828 | |
| 5829 ti->semantic(sc); | |
| 5830 s = ti->inst->toAlias(); | |
| 5831 v = s->isDeclaration(); | |
| 5832 if (v) | |
| 5833 { e = new DotVarExp(loc, eleft, v); | |
| 5834 e = e->semantic(sc); | |
| 5835 return e; | |
| 5836 } | |
| 5837 } | |
| 5838 | |
| 5839 e = new ScopeExp(loc, ti); | |
| 5840 if (eleft) | |
| 5841 { | |
| 5842 e = new DotExp(loc, eleft, e); | |
| 5843 } | |
| 5844 e = e->semantic(sc); | |
| 5845 return e; | |
| 5846 | |
| 5847 Lerr: | |
| 336 | 5848 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5849 } |
| 5850 | |
| 5851 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5852 { | |
| 5853 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5854 buf->writeByte('.'); | |
| 5855 ti->toCBuffer(buf, hgs); | |
| 5856 } | |
| 5857 | |
| 5858 /************************************************************/ | |
| 5859 | |
| 5860 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5861 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5862 { | |
| 5863 this->func = f; | |
| 5864 } | |
| 5865 | |
| 5866 Expression *DelegateExp::semantic(Scope *sc) | |
| 5867 { | |
| 5868 #if LOGSEMANTIC | |
| 5869 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5870 #endif | |
| 5871 if (!type) | |
| 5872 { | |
| 5873 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5874 // 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
|
5875 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5876 type = type->semantic(loc, sc); |
| 5877 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5878 if (func->needThis()) |
| 5879 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5880 } |
| 5881 return this; | |
| 5882 } | |
| 5883 | |
| 5884 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5885 { | |
| 5886 buf->writeByte('&'); | |
| 5887 if (!func->isNested()) | |
| 5888 { | |
| 5889 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5890 buf->writeByte('.'); | |
| 5891 } | |
| 5892 buf->writestring(func->toChars()); | |
| 5893 } | |
| 5894 | |
| 5895 /************************************************************/ | |
| 5896 | |
| 5897 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5898 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5899 { | |
| 5900 this->sym = s; | |
| 5901 this->type = s->getType(); | |
| 5902 } | |
| 5903 | |
| 5904 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5905 { | |
| 5906 #if LOGSEMANTIC | |
| 5907 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5908 #endif | |
| 5909 UnaExp::semantic(sc); | |
| 5910 return this; | |
| 5911 } | |
| 5912 | |
| 5913 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5914 { | |
| 5915 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5916 buf->writeByte('.'); | |
| 5917 buf->writestring(sym->toChars()); | |
| 5918 } | |
| 5919 | |
| 5920 /************************************************************/ | |
| 5921 | |
| 5922 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5923 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5924 { | |
| 5925 this->arguments = exps; | |
| 5926 } | |
| 5927 | |
| 5928 CallExp::CallExp(Loc loc, Expression *e) | |
| 5929 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5930 { | |
| 5931 this->arguments = NULL; | |
| 5932 } | |
| 5933 | |
| 5934 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5935 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5936 { | |
| 5937 Expressions *arguments = new Expressions(); | |
| 5938 arguments->setDim(1); | |
| 5939 arguments->data[0] = (void *)earg1; | |
| 5940 | |
| 5941 this->arguments = arguments; | |
| 5942 } | |
| 5943 | |
| 5944 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5945 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5946 { | |
| 5947 Expressions *arguments = new Expressions(); | |
| 5948 arguments->setDim(2); | |
| 5949 arguments->data[0] = (void *)earg1; | |
| 5950 arguments->data[1] = (void *)earg2; | |
| 5951 | |
| 5952 this->arguments = arguments; | |
| 5953 } | |
| 5954 | |
| 5955 Expression *CallExp::syntaxCopy() | |
| 5956 { | |
| 5957 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5958 } | |
| 5959 | |
| 5960 | |
| 5961 Expression *CallExp::semantic(Scope *sc) | |
| 5962 { | |
| 5963 TypeFunction *tf; | |
| 5964 FuncDeclaration *f; | |
| 5965 int i; | |
| 5966 Type *t1; | |
| 5967 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
|
5968 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5969 |
| 5970 #if LOGSEMANTIC | |
| 5971 printf("CallExp::semantic() %s\n", toChars()); | |
| 5972 #endif | |
| 5973 if (type) | |
| 5974 return this; // semantic() already run | |
| 5975 #if 0 | |
| 5976 if (arguments && arguments->dim) | |
| 5977 { | |
| 5978 Expression *earg = (Expression *)arguments->data[0]; | |
| 5979 earg->print(); | |
| 5980 if (earg->type) earg->type->print(); | |
| 5981 } | |
| 5982 #endif | |
| 5983 | |
| 5984 if (e1->op == TOKdelegate) | |
| 5985 { DelegateExp *de = (DelegateExp *)e1; | |
| 5986 | |
| 5987 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5988 return semantic(sc); | |
| 5989 } | |
| 5990 | |
| 5991 /* Transform: | |
| 5992 * array.id(args) into id(array,args) | |
| 5993 * aa.remove(arg) into delete aa[arg] | |
| 5994 */ | |
| 5995 if (e1->op == TOKdot) | |
| 5996 { | |
| 5997 // BUG: we should handle array.a.b.c.e(args) too | |
| 5998 | |
| 5999 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 6000 dotid->e1 = dotid->e1->semantic(sc); | |
| 6001 assert(dotid->e1); | |
| 6002 if (dotid->e1->type) | |
| 6003 { | |
| 6004 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 6005 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6006 { | |
| 6007 if (!arguments || arguments->dim != 1) | |
| 6008 { error("expected key as argument to aa.remove()"); | |
| 6009 goto Lagain; | |
| 6010 } | |
| 6011 Expression *key = (Expression *)arguments->data[0]; | |
| 6012 key = key->semantic(sc); | |
| 6013 key = resolveProperties(sc, key); | |
| 6014 key->rvalue(); | |
| 6015 | |
| 6016 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6017 key = key->implicitCastTo(sc, taa->index); | |
| 6018 key = key->implicitCastTo(sc, taa->key); | |
| 6019 | |
| 6020 return new RemoveExp(loc, dotid->e1, key); | |
| 6021 } | |
| 6022 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6023 { | |
| 6024 if (!arguments) | |
| 6025 arguments = new Expressions(); | |
| 6026 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6027 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6028 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
|
6029 #else |
| 159 | 6030 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
|
6031 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6032 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6033 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6034 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6035 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6036 #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
|
6037 /* 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
|
6038 * 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
|
6039 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6040 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
|
6041 { 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
|
6042 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
|
6043 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
|
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 /* 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
|
6046 * 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
|
6047 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6048 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
|
6049 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
|
6050 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
|
6051 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
|
6052 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
|
6053 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
|
6054 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6055 /* 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
|
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 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
|
6058 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
|
6059 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
|
6060 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6061 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6062 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6063 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6064 /* 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
|
6065 * 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
|
6066 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6067 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
|
6068 { 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
|
6069 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
|
6070 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
|
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 /* 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
|
6073 * 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
|
6074 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6075 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
|
6076 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
|
6077 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
|
6078 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
|
6079 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
|
6080 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
|
6081 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
|
6082 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6083 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
|
6084 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
|
6085 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
|
6086 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6087 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6088 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
|
6089 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6090 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6091 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6092 |
| 159 | 6093 istemp = 0; |
| 6094 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
|
6095 //printf("Lagain: %s\n", toChars()); |
| 159 | 6096 f = NULL; |
| 6097 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6098 { | |
| 6099 // semantic() run later for these | |
| 6100 } | |
| 6101 else | |
| 6102 { | |
| 6103 UnaExp::semantic(sc); | |
| 6104 | |
| 6105 /* Look for e1 being a lazy parameter | |
| 6106 */ | |
| 6107 if (e1->op == TOKvar) | |
| 6108 { VarExp *ve = (VarExp *)e1; | |
| 6109 | |
| 6110 if (ve->var->storage_class & STClazy) | |
| 6111 { | |
| 6112 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6113 TypeDelegate *t = new TypeDelegate(tf); | |
| 6114 ve->type = t->semantic(loc, sc); | |
| 6115 } | |
| 6116 } | |
| 6117 | |
| 6118 if (e1->op == TOKimport) | |
| 6119 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6120 ScopeExp *se = (ScopeExp *)e1; | |
| 6121 e1 = new DsymbolExp(loc, se->sds); | |
| 6122 e1 = e1->semantic(sc); | |
| 6123 } | |
| 6124 #if 1 // patch for #540 by Oskar Linde | |
| 6125 else if (e1->op == TOKdotexp) | |
| 6126 { | |
| 6127 DotExp *de = (DotExp *) e1; | |
| 6128 | |
| 6129 if (de->e2->op == TOKimport) | |
| 6130 { // This should *really* be moved to ScopeExp::semantic() | |
| 6131 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6132 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6133 de->e2 = de->e2->semantic(sc); | |
| 6134 } | |
| 6135 | |
| 6136 if (de->e2->op == TOKtemplate) | |
| 6137 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6138 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6139 } | |
| 6140 } | |
| 6141 #endif | |
| 6142 } | |
| 6143 | |
| 6144 if (e1->op == TOKcomma) | |
| 6145 { | |
| 6146 CommaExp *ce = (CommaExp *)e1; | |
| 6147 | |
| 6148 e1 = ce->e2; | |
| 6149 e1->type = ce->type; | |
| 6150 ce->e2 = this; | |
| 6151 ce->type = NULL; | |
| 6152 return ce->semantic(sc); | |
| 6153 } | |
| 6154 | |
| 6155 t1 = NULL; | |
| 6156 if (e1->type) | |
| 6157 t1 = e1->type->toBasetype(); | |
| 6158 | |
| 6159 // Check for call operator overload | |
| 6160 if (t1) | |
| 6161 { AggregateDeclaration *ad; | |
| 6162 | |
| 6163 if (t1->ty == Tstruct) | |
| 6164 { | |
| 6165 ad = ((TypeStruct *)t1)->sym; | |
| 6166 if (search_function(ad, Id::call)) | |
| 6167 goto L1; // overload of opCall, therefore it's a call | |
| 6168 | |
| 6169 if (e1->op != TOKtype) | |
| 6170 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6171 /* It's a struct literal | |
| 6172 */ | |
| 6173 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6174 e = e->semantic(sc); | |
| 6175 e->type = e1->type; // in case e1->type was a typedef | |
| 6176 return e; | |
| 6177 } | |
| 6178 else if (t1->ty == Tclass) | |
| 6179 { | |
| 6180 ad = ((TypeClass *)t1)->sym; | |
| 6181 goto L1; | |
| 6182 L1: | |
| 6183 // Rewrite as e1.call(arguments) | |
| 6184 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6185 e = new CallExp(loc, e, arguments); | |
| 6186 e = e->semantic(sc); | |
| 6187 return e; | |
| 6188 } | |
| 6189 } | |
| 6190 | |
| 6191 arrayExpressionSemantic(arguments, sc); | |
| 6192 preFunctionArguments(loc, sc, arguments); | |
| 6193 | |
| 6194 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6195 e1->op == TOKdottd) | |
| 6196 { | |
| 6197 DotVarExp *dve; | |
| 6198 DotTemplateExp *dte; | |
| 6199 AggregateDeclaration *ad; | |
| 6200 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6201 |
| 159 | 6202 if (e1->op == TOKdotvar) |
| 6203 { // Do overload resolution | |
| 6204 dve = (DotVarExp *)(e1); | |
| 6205 | |
| 6206 f = dve->var->isFuncDeclaration(); | |
| 6207 assert(f); | |
| 6208 f = f->overloadResolve(loc, arguments); | |
| 6209 | |
| 6210 ad = f->toParent()->isAggregateDeclaration(); | |
| 6211 } | |
| 6212 else | |
| 6213 { dte = (DotTemplateExp *)(e1); | |
| 6214 TemplateDeclaration *td = dte->td; | |
| 6215 assert(td); | |
| 6216 if (!arguments) | |
| 6217 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6218 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6219 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6220 if (!f) |
| 6221 { type = Type::terror; | |
| 6222 return this; | |
| 6223 } | |
| 6224 ad = td->toParent()->isAggregateDeclaration(); | |
| 6225 } | |
| 336 | 6226 if (f->needThis()) |
| 6227 { | |
| 6228 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6229 } | |
| 6230 | |
| 6231 /* Cannot call public functions from inside invariant | |
| 6232 * (because then the invariant would have infinite recursion) | |
| 159 | 6233 */ |
| 336 | 6234 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6235 ue->e1->op == TOKthis && | |
| 6236 f->addPostInvariant() | |
| 159 | 6237 ) |
| 6238 { | |
| 336 | 6239 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6240 } |
| 6241 | |
| 6242 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6243 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6244 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6245 #endif |
| 159 | 6246 accessCheck(loc, sc, ue->e1, f); |
| 6247 if (!f->needThis()) | |
| 6248 { | |
| 6249 VarExp *ve = new VarExp(loc, f); | |
| 6250 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6251 e1->type = f->type; | |
| 6252 } | |
| 6253 else | |
| 6254 { | |
| 6255 if (e1->op == TOKdotvar) | |
| 6256 dve->var = f; | |
| 6257 else | |
| 6258 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6259 e1->type = f->type; | |
| 6260 | |
| 6261 // See if we need to adjust the 'this' pointer | |
| 6262 AggregateDeclaration *ad = f->isThis(); | |
| 6263 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6264 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6265 ue->e1->op != TOKsuper) | |
| 6266 { | |
| 6267 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6268 ue->e1 = ue->e1->semantic(sc); | |
| 6269 } | |
| 6270 } | |
| 6271 t1 = e1->type; | |
| 6272 } | |
| 6273 else if (e1->op == TOKsuper) | |
| 6274 { | |
| 6275 // Base class constructor call | |
| 6276 ClassDeclaration *cd = NULL; | |
| 6277 | |
| 6278 if (sc->func) | |
| 6279 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6280 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6281 { | |
| 6282 error("super class constructor call must be in a constructor"); | |
| 6283 type = Type::terror; | |
| 6284 return this; | |
| 6285 } | |
| 6286 else | |
| 6287 { | |
| 6288 f = cd->baseClass->ctor; | |
| 6289 if (!f) | |
| 6290 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6291 type = Type::terror; | |
| 6292 return this; | |
| 6293 } | |
| 6294 else | |
| 6295 { | |
| 336 | 6296 if (!sc->intypeof) |
| 6297 { | |
| 159 | 6298 #if 0 |
| 336 | 6299 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6300 error("reference to this before super()"); | |
| 159 | 6301 #endif |
| 336 | 6302 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6303 error("constructor calls not allowed in loops or after labels"); | |
| 6304 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6305 error("multiple constructor calls"); | |
| 6306 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6307 } | |
| 159 | 6308 |
| 6309 f = f->overloadResolve(loc, arguments); | |
| 6310 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6311 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6312 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6313 #endif |
| 159 | 6314 e1 = new DotVarExp(e1->loc, e1, f); |
| 6315 e1 = e1->semantic(sc); | |
| 6316 t1 = e1->type; | |
| 6317 } | |
| 6318 } | |
| 6319 } | |
| 6320 else if (e1->op == TOKthis) | |
| 6321 { | |
| 6322 // same class constructor call | |
| 6323 ClassDeclaration *cd = NULL; | |
| 6324 | |
| 6325 if (sc->func) | |
| 6326 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6327 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6328 { | |
| 6329 error("class constructor call must be in a constructor"); | |
| 6330 type = Type::terror; | |
| 6331 return this; | |
| 6332 } | |
| 6333 else | |
| 6334 { | |
| 336 | 6335 if (!sc->intypeof) |
| 6336 { | |
| 159 | 6337 #if 0 |
| 336 | 6338 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6339 error("reference to this before super()"); | |
| 159 | 6340 #endif |
| 336 | 6341 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6342 error("constructor calls not allowed in loops or after labels"); | |
| 6343 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6344 error("multiple constructor calls"); | |
| 6345 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6346 } | |
| 159 | 6347 |
| 6348 f = cd->ctor; | |
| 6349 f = f->overloadResolve(loc, arguments); | |
| 6350 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6351 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6352 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6353 #endif |
| 159 | 6354 e1 = new DotVarExp(e1->loc, e1, f); |
| 6355 e1 = e1->semantic(sc); | |
| 6356 t1 = e1->type; | |
| 6357 | |
| 6358 // BUG: this should really be done by checking the static | |
| 6359 // call graph | |
| 6360 if (f == sc->func) | |
| 6361 error("cyclic constructor call"); | |
| 6362 } | |
| 6363 } | |
| 6364 else if (!t1) | |
| 6365 { | |
| 6366 error("function expected before (), not '%s'", e1->toChars()); | |
| 6367 type = Type::terror; | |
| 6368 return this; | |
| 6369 } | |
| 6370 else if (t1->ty != Tfunction) | |
| 6371 { | |
| 6372 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
|
6373 { 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
|
6374 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
|
6375 tf = (TypeFunction *)(td->next); |
| 159 | 6376 goto Lcheckargs; |
| 6377 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6378 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6379 { Expression *e; |
| 6380 | |
| 6381 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
|
6382 t1 = ((TypePointer *)t1)->next; |
| 159 | 6383 e->type = t1; |
| 6384 e1 = e; | |
| 6385 } | |
| 6386 else if (e1->op == TOKtemplate) | |
| 6387 { | |
| 6388 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6389 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6390 if (!f) |
| 6391 { type = Type::terror; | |
| 6392 return this; | |
| 6393 } | |
| 6394 if (f->needThis() && hasThis(sc)) | |
| 6395 { | |
| 6396 // Supply an implicit 'this', as in | |
| 6397 // this.ident | |
| 6398 | |
| 6399 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6400 goto Lagain; | |
| 6401 } | |
| 6402 | |
| 6403 e1 = new VarExp(loc, f); | |
| 6404 goto Lagain; | |
| 6405 } | |
| 6406 else | |
| 6407 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6408 type = Type::terror; | |
| 6409 return this; | |
| 6410 } | |
| 6411 } | |
| 6412 else if (e1->op == TOKvar) | |
| 6413 { | |
| 6414 // Do overload resolution | |
| 6415 VarExp *ve = (VarExp *)e1; | |
| 6416 | |
| 6417 f = ve->var->isFuncDeclaration(); | |
| 6418 assert(f); | |
| 6419 | |
| 6420 // Look to see if f is really a function template | |
| 6421 if (0 && !istemp && f->parent) | |
| 6422 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6423 | |
| 6424 if (ti && | |
| 6425 (ti->name == f->ident || | |
| 6426 ti->toAlias()->ident == f->ident) | |
| 6427 && | |
| 6428 ti->tempdecl) | |
| 6429 { | |
| 6430 /* This is so that one can refer to the enclosing | |
| 6431 * template, even if it has the same name as a member | |
| 6432 * of the template, if it has a !(arguments) | |
| 6433 */ | |
| 6434 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6435 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6436 tempdecl = tempdecl->overroot; // then get the start | |
| 6437 e1 = new TemplateExp(loc, tempdecl); | |
| 6438 istemp = 1; | |
| 6439 goto Lagain; | |
| 6440 } | |
| 6441 } | |
| 6442 | |
| 6443 f = f->overloadResolve(loc, arguments); | |
| 6444 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6445 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6446 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6447 #endif |
| 159 | 6448 |
| 6449 if (f->needThis() && hasThis(sc)) | |
| 6450 { | |
| 6451 // Supply an implicit 'this', as in | |
| 6452 // this.ident | |
| 6453 | |
| 6454 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6455 goto Lagain; | |
| 6456 } | |
| 6457 | |
| 6458 accessCheck(loc, sc, NULL, f); | |
| 6459 | |
| 6460 ve->var = f; | |
| 6461 ve->type = f->type; | |
| 6462 t1 = f->type; | |
| 6463 } | |
| 6464 assert(t1->ty == Tfunction); | |
| 6465 tf = (TypeFunction *)(t1); | |
| 6466 | |
| 6467 Lcheckargs: | |
| 6468 assert(tf->ty == Tfunction); | |
| 6469 type = tf->next; | |
| 6470 | |
| 6471 if (!arguments) | |
| 6472 arguments = new Expressions(); | |
| 6473 functionArguments(loc, sc, tf, arguments); | |
| 6474 | |
| 6475 assert(type); | |
| 6476 | |
| 6477 if (f && f->tintro) | |
| 6478 { | |
| 6479 Type *t = type; | |
| 6480 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
|
6481 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
|
6482 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6483 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
|
6484 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6485 type = tf->next; |
| 159 | 6486 return castTo(sc, t); |
| 6487 } | |
| 6488 } | |
| 6489 | |
| 6490 return this; | |
| 6491 } | |
| 6492 | |
| 6493 int CallExp::checkSideEffect(int flag) | |
| 6494 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 /* 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
|
6503 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 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
|
6505 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 } |
|
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 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
|
6512 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6513 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 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
|
6518 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 #endif |
| 159 | 6520 return 1; |
| 6521 } | |
| 6522 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6523 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 /* 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
|
6530 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 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
|
6532 { Expression *e = (Expression *)arguments->data[i]; |
|
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 (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 return 1; |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 /* 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
|
6539 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 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
|
6546 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6556 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6557 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6558 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6559 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6560 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6561 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6562 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6563 |
| 159 | 6564 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6565 { | |
| 6566 if (type->toBasetype()->ty == Tstruct) | |
| 6567 return this; | |
| 6568 else | |
| 6569 return Expression::toLvalue(sc, e); | |
| 6570 } | |
| 6571 | |
| 6572 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6573 { int i; | |
| 6574 | |
| 6575 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6576 buf->writeByte('('); | |
| 6577 argsToCBuffer(buf, arguments, hgs); | |
| 6578 buf->writeByte(')'); | |
| 6579 } | |
| 6580 | |
| 6581 | |
| 6582 /************************************************************/ | |
| 6583 | |
| 6584 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6585 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6586 { | |
| 6587 } | |
| 6588 | |
| 6589 Expression *AddrExp::semantic(Scope *sc) | |
| 6590 { | |
| 6591 #if LOGSEMANTIC | |
| 6592 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6593 #endif | |
| 6594 if (!type) | |
| 6595 { | |
| 6596 UnaExp::semantic(sc); | |
| 6597 e1 = e1->toLvalue(sc, NULL); | |
| 6598 if (!e1->type) | |
| 6599 { | |
| 6600 error("cannot take address of %s", e1->toChars()); | |
| 6601 type = Type::tint32; | |
| 6602 return this; | |
| 6603 } | |
| 6604 type = e1->type->pointerTo(); | |
| 6605 | |
| 6606 // See if this should really be a delegate | |
| 6607 if (e1->op == TOKdotvar) | |
| 6608 { | |
| 6609 DotVarExp *dve = (DotVarExp *)e1; | |
| 6610 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6611 | |
| 6612 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
|
6613 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6614 e = e->semantic(sc); |
| 6615 return e; | |
| 6616 } | |
| 6617 } | |
| 6618 else if (e1->op == TOKvar) | |
| 6619 { | |
| 6620 VarExp *dve = (VarExp *)e1; | |
| 6621 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6622 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6623 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6624 // 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
|
6625 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
|
6626 { |
|
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
|
6627 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
|
6628 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
|
6629 } |
|
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
|
6630 |
| 159 | 6631 if (f && f->isNested()) |
| 6632 { Expression *e; | |
| 6633 | |
| 6634 e = new DelegateExp(loc, e1, f); | |
| 6635 e = e->semantic(sc); | |
| 6636 return e; | |
| 6637 } | |
| 6638 } | |
| 6639 else if (e1->op == TOKarray) | |
| 6640 { | |
| 6641 if (e1->type->toBasetype()->ty == Tbit) | |
| 6642 error("cannot take address of bit in array"); | |
| 6643 } | |
| 6644 return optimize(WANTvalue); | |
| 6645 } | |
| 6646 return this; | |
| 6647 } | |
| 6648 | |
| 6649 /************************************************************/ | |
| 6650 | |
| 6651 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6652 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6653 { | |
| 6654 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
|
6655 type = ((TypePointer *)e->type)->next; |
| 159 | 6656 } |
| 6657 | |
| 6658 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6659 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6660 { | |
| 6661 type = t; | |
| 6662 } | |
| 6663 | |
| 6664 Expression *PtrExp::semantic(Scope *sc) | |
| 6665 { Type *tb; | |
| 6666 | |
| 6667 #if LOGSEMANTIC | |
| 6668 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6669 #endif | |
| 6670 UnaExp::semantic(sc); | |
| 6671 e1 = resolveProperties(sc, e1); | |
| 6672 if (type) | |
| 6673 return this; | |
| 6674 if (!e1->type) | |
| 6675 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6676 tb = e1->type->toBasetype(); | |
| 6677 switch (tb->ty) | |
| 6678 { | |
| 6679 case Tpointer: | |
| 6680 type = tb->next; | |
| 6681 if (type->isbit()) | |
| 6682 { Expression *e; | |
| 6683 | |
| 6684 // Rewrite *p as p[0] | |
| 6685 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6686 return e->semantic(sc); | |
| 6687 } | |
| 6688 break; | |
| 6689 | |
| 6690 case Tsarray: | |
| 6691 case Tarray: | |
| 6692 type = tb->next; | |
| 6693 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6694 break; | |
| 6695 | |
| 6696 default: | |
| 6697 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6698 type = Type::tint32; | |
| 6699 break; | |
| 6700 } | |
| 6701 rvalue(); | |
| 6702 return this; | |
| 6703 } | |
| 6704 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6705 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6706 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6707 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6708 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6709 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6710 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6711 |
| 159 | 6712 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6713 { | |
| 6714 #if 0 | |
| 6715 tym = tybasic(e1->ET->Tty); | |
| 6716 if (!(tyscalar(tym) || | |
| 6717 tym == TYstruct || | |
| 6718 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6719 synerr(EM_lvalue); // lvalue expected | |
| 6720 #endif | |
| 6721 return this; | |
| 6722 } | |
| 6723 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6725 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6726 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 //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
|
6728 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6730 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6731 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6732 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6733 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6734 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6735 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6736 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6737 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6738 |
| 159 | 6739 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6740 { | |
| 6741 buf->writeByte('*'); | |
| 6742 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6743 } | |
| 6744 | |
| 6745 /************************************************************/ | |
| 6746 | |
| 6747 NegExp::NegExp(Loc loc, Expression *e) | |
| 6748 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6749 { | |
| 6750 } | |
| 6751 | |
| 6752 Expression *NegExp::semantic(Scope *sc) | |
| 6753 { Expression *e; | |
| 6754 | |
| 6755 #if LOGSEMANTIC | |
| 6756 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6757 #endif | |
| 6758 if (!type) | |
| 6759 { | |
| 6760 UnaExp::semantic(sc); | |
| 6761 e1 = resolveProperties(sc, e1); | |
| 6762 e = op_overload(sc); | |
| 6763 if (e) | |
| 6764 return e; | |
| 6765 | |
| 6766 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
|
6767 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
|
6768 e1->checkArithmetic(); |
| 159 | 6769 type = e1->type; |
| 6770 } | |
| 6771 return this; | |
| 6772 } | |
| 6773 | |
| 6774 /************************************************************/ | |
| 6775 | |
| 6776 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6777 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6778 { | |
| 6779 } | |
| 6780 | |
| 6781 Expression *UAddExp::semantic(Scope *sc) | |
| 6782 { Expression *e; | |
| 6783 | |
| 6784 #if LOGSEMANTIC | |
| 6785 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6786 #endif | |
| 6787 assert(!type); | |
| 6788 UnaExp::semantic(sc); | |
| 6789 e1 = resolveProperties(sc, e1); | |
| 6790 e = op_overload(sc); | |
| 6791 if (e) | |
| 6792 return e; | |
| 6793 e1->checkNoBool(); | |
| 6794 e1->checkArithmetic(); | |
| 6795 return e1; | |
| 6796 } | |
| 6797 | |
| 6798 /************************************************************/ | |
| 6799 | |
| 6800 ComExp::ComExp(Loc loc, Expression *e) | |
| 6801 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6802 { | |
| 6803 } | |
| 6804 | |
| 6805 Expression *ComExp::semantic(Scope *sc) | |
| 6806 { Expression *e; | |
| 6807 | |
| 6808 if (!type) | |
| 6809 { | |
| 6810 UnaExp::semantic(sc); | |
| 6811 e1 = resolveProperties(sc, e1); | |
| 6812 e = op_overload(sc); | |
| 6813 if (e) | |
| 6814 return e; | |
| 6815 | |
| 6816 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
|
6817 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
|
6818 e1 = e1->checkIntegral(); |
| 159 | 6819 type = e1->type; |
| 6820 } | |
| 6821 return this; | |
| 6822 } | |
| 6823 | |
| 6824 /************************************************************/ | |
| 6825 | |
| 6826 NotExp::NotExp(Loc loc, Expression *e) | |
| 6827 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6828 { | |
| 6829 } | |
| 6830 | |
| 6831 Expression *NotExp::semantic(Scope *sc) | |
| 6832 { | |
| 6833 UnaExp::semantic(sc); | |
| 6834 e1 = resolveProperties(sc, e1); | |
| 6835 e1 = e1->checkToBoolean(); | |
| 6836 type = Type::tboolean; | |
| 6837 return this; | |
| 6838 } | |
| 6839 | |
| 6840 int NotExp::isBit() | |
| 6841 { | |
| 6842 return TRUE; | |
| 6843 } | |
| 6844 | |
| 6845 | |
| 6846 | |
| 6847 /************************************************************/ | |
| 6848 | |
| 6849 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6850 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6851 { | |
| 6852 type = t; | |
| 6853 } | |
| 6854 | |
| 6855 Expression *BoolExp::semantic(Scope *sc) | |
| 6856 { | |
| 6857 UnaExp::semantic(sc); | |
| 6858 e1 = resolveProperties(sc, e1); | |
| 6859 e1 = e1->checkToBoolean(); | |
| 6860 type = Type::tboolean; | |
| 6861 return this; | |
| 6862 } | |
| 6863 | |
| 6864 int BoolExp::isBit() | |
| 6865 { | |
| 6866 return TRUE; | |
| 6867 } | |
| 6868 | |
| 6869 /************************************************************/ | |
| 6870 | |
| 6871 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6872 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6873 { | |
| 6874 } | |
| 6875 | |
| 6876 Expression *DeleteExp::semantic(Scope *sc) | |
| 6877 { | |
| 6878 Type *tb; | |
| 6879 | |
| 6880 UnaExp::semantic(sc); | |
| 6881 e1 = resolveProperties(sc, e1); | |
| 6882 e1 = e1->toLvalue(sc, NULL); | |
| 6883 type = Type::tvoid; | |
| 6884 | |
| 6885 tb = e1->type->toBasetype(); | |
| 6886 switch (tb->ty) | |
| 6887 { case Tclass: | |
| 6888 { TypeClass *tc = (TypeClass *)tb; | |
| 6889 ClassDeclaration *cd = tc->sym; | |
| 6890 | |
| 6891 if (cd->isCOMinterface()) | |
| 6892 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6893 */ | |
| 6894 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6895 } | |
| 6896 break; | |
| 6897 } | |
| 6898 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
|
6899 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6900 if (tb->ty == Tstruct) |
| 6901 { | |
| 6902 TypeStruct *ts = (TypeStruct *)tb; | |
| 6903 StructDeclaration *sd = ts->sym; | |
| 6904 FuncDeclaration *f = sd->aggDelete; | |
| 6905 | |
| 6906 if (f) | |
| 6907 { | |
| 6908 Type *tpv = Type::tvoid->pointerTo(); | |
| 6909 | |
| 6910 Expression *e = e1->castTo(sc, tpv); | |
| 6911 Expression *ec = new VarExp(loc, f); | |
| 6912 e = new CallExp(loc, ec, e); | |
| 6913 return e->semantic(sc); | |
| 6914 } | |
| 6915 } | |
| 6916 break; | |
| 6917 | |
| 6918 case Tarray: | |
| 6919 break; | |
| 6920 | |
| 6921 default: | |
| 6922 if (e1->op == TOKindex) | |
| 6923 { | |
| 6924 IndexExp *ae = (IndexExp *)(e1); | |
| 6925 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6926 if (tb1->ty == Taarray) | |
| 6927 break; | |
| 6928 } | |
| 6929 error("cannot delete type %s", e1->type->toChars()); | |
| 6930 break; | |
| 6931 } | |
| 6932 | |
| 6933 if (e1->op == TOKindex) | |
| 6934 { | |
| 6935 IndexExp *ae = (IndexExp *)(e1); | |
| 6936 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6937 if (tb1->ty == Taarray) | |
| 6938 { if (!global.params.useDeprecated) | |
| 6939 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6940 } | |
| 6941 } | |
| 6942 | |
| 6943 return this; | |
| 6944 } | |
| 6945 | |
| 6946 int DeleteExp::checkSideEffect(int flag) | |
| 6947 { | |
| 6948 return 1; | |
| 6949 } | |
| 6950 | |
| 6951 Expression *DeleteExp::checkToBoolean() | |
| 6952 { | |
| 6953 error("delete does not give a boolean result"); | |
| 6954 return this; | |
| 6955 } | |
| 6956 | |
| 6957 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6958 { | |
| 6959 buf->writestring("delete "); | |
| 6960 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6961 } | |
| 6962 | |
| 6963 /************************************************************/ | |
| 6964 | |
| 6965 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6966 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6967 { | |
| 6968 to = t; | |
| 6969 } | |
| 6970 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6973 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6974 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
|
6975 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6976 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6977 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6978 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6979 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6980 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6981 |
| 159 | 6982 Expression *CastExp::syntaxCopy() |
| 6983 { | |
| 6984 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6985 } | |
| 6986 | |
| 6987 | |
| 6988 Expression *CastExp::semantic(Scope *sc) | |
| 6989 { Expression *e; | |
| 6990 BinExp *b; | |
| 6991 UnaExp *u; | |
| 6992 | |
| 6993 #if LOGSEMANTIC | |
| 6994 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6995 #endif | |
| 6996 | |
| 6997 //static int x; assert(++x < 10); | |
| 6998 | |
| 6999 if (type) | |
| 7000 return this; | |
| 7001 UnaExp::semantic(sc); | |
| 7002 if (e1->type) // if not a tuple | |
| 7003 { | |
| 7004 e1 = resolveProperties(sc, e1); | |
| 7005 to = to->semantic(loc, sc); | |
| 7006 | |
| 7007 e = op_overload(sc); | |
| 7008 if (e) | |
| 7009 { | |
| 7010 return e->implicitCastTo(sc, to); | |
| 7011 } | |
| 7012 | |
| 7013 Type *tob = to->toBasetype(); | |
| 7014 if (tob->ty == Tstruct && | |
| 7015 !tob->equals(e1->type->toBasetype()) && | |
| 7016 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7017 ) | |
| 7018 { | |
| 7019 /* Look to replace: | |
| 7020 * cast(S)t | |
| 7021 * with: | |
| 7022 * S(t) | |
| 7023 */ | |
| 7024 | |
| 7025 // Rewrite as to.call(e1) | |
| 7026 e = new TypeExp(loc, to); | |
| 7027 e = new DotIdExp(loc, e, Id::call); | |
| 7028 e = new CallExp(loc, e, e1); | |
| 7029 e = e->semantic(sc); | |
| 7030 return e; | |
| 7031 } | |
| 7032 } | |
| 7033 e = e1->castTo(sc, to); | |
| 7034 return e; | |
| 7035 } | |
| 7036 | |
| 7037 int CastExp::checkSideEffect(int flag) | |
| 7038 { | |
| 7039 /* if not: | |
| 7040 * cast(void) | |
| 7041 * cast(classtype)func() | |
| 7042 */ | |
| 7043 if (!to->equals(Type::tvoid) && | |
| 7044 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7045 return Expression::checkSideEffect(flag); | |
| 7046 return 1; | |
| 7047 } | |
| 7048 | |
| 7049 void CastExp::checkEscape() | |
| 7050 { Type *tb = type->toBasetype(); | |
| 7051 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7052 e1->type->toBasetype()->ty == Tsarray) | |
| 7053 { VarExp *ve = (VarExp *)e1; | |
| 7054 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7055 if (v) | |
| 7056 { | |
| 7057 if (!v->isDataseg() && !v->isParameter()) | |
| 7058 error("escaping reference to local %s", v->toChars()); | |
| 7059 } | |
| 7060 } | |
| 7061 } | |
| 7062 | |
| 7063 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7064 { | |
| 7065 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 #if DMDV1 |
| 159 | 7067 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7084 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7085 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7087 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7088 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7089 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7090 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7091 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7092 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7093 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7094 #endif |
| 159 | 7095 buf->writeByte(')'); |
| 7096 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7097 } | |
| 7098 | |
| 7099 | |
| 7100 /************************************************************/ | |
| 7101 | |
| 7102 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7103 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7104 { | |
| 7105 this->upr = upr; | |
| 7106 this->lwr = lwr; | |
| 7107 lengthVar = NULL; | |
| 7108 } | |
| 7109 | |
| 7110 Expression *SliceExp::syntaxCopy() | |
| 7111 { | |
| 7112 Expression *lwr = NULL; | |
| 7113 if (this->lwr) | |
| 7114 lwr = this->lwr->syntaxCopy(); | |
| 7115 | |
| 7116 Expression *upr = NULL; | |
| 7117 if (this->upr) | |
| 7118 upr = this->upr->syntaxCopy(); | |
| 7119 | |
| 7120 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7121 } | |
| 7122 | |
| 7123 Expression *SliceExp::semantic(Scope *sc) | |
| 7124 { Expression *e; | |
| 7125 AggregateDeclaration *ad; | |
| 7126 //FuncDeclaration *fd; | |
| 7127 ScopeDsymbol *sym; | |
| 7128 | |
| 7129 #if LOGSEMANTIC | |
| 7130 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7131 #endif | |
| 7132 if (type) | |
| 7133 return this; | |
| 7134 | |
| 7135 UnaExp::semantic(sc); | |
| 7136 e1 = resolveProperties(sc, e1); | |
| 7137 | |
| 7138 e = this; | |
| 7139 | |
| 7140 Type *t = e1->type->toBasetype(); | |
| 7141 if (t->ty == Tpointer) | |
| 7142 { | |
| 7143 if (!lwr || !upr) | |
| 7144 error("need upper and lower bound to slice pointer"); | |
| 7145 } | |
| 7146 else if (t->ty == Tarray) | |
| 7147 { | |
| 7148 } | |
| 7149 else if (t->ty == Tsarray) | |
| 7150 { | |
| 7151 } | |
| 7152 else if (t->ty == Tclass) | |
| 7153 { | |
| 7154 ad = ((TypeClass *)t)->sym; | |
| 7155 goto L1; | |
| 7156 } | |
| 7157 else if (t->ty == Tstruct) | |
| 7158 { | |
| 7159 ad = ((TypeStruct *)t)->sym; | |
| 7160 | |
| 7161 L1: | |
| 7162 if (search_function(ad, Id::slice)) | |
| 7163 { | |
| 7164 // Rewrite as e1.slice(lwr, upr) | |
| 7165 e = new DotIdExp(loc, e1, Id::slice); | |
| 7166 | |
| 7167 if (lwr) | |
| 7168 { | |
| 7169 assert(upr); | |
| 7170 e = new CallExp(loc, e, lwr, upr); | |
| 7171 } | |
| 7172 else | |
| 7173 { assert(!upr); | |
| 7174 e = new CallExp(loc, e); | |
| 7175 } | |
| 7176 e = e->semantic(sc); | |
| 7177 return e; | |
| 7178 } | |
| 7179 goto Lerror; | |
| 7180 } | |
| 7181 else if (t->ty == Ttuple) | |
| 7182 { | |
| 7183 if (!lwr && !upr) | |
| 7184 return e1; | |
| 7185 if (!lwr || !upr) | |
| 7186 { error("need upper and lower bound to slice tuple"); | |
| 7187 goto Lerror; | |
| 7188 } | |
| 7189 } | |
| 7190 else | |
| 7191 goto Lerror; | |
| 7192 | |
| 7193 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7194 { | |
| 7195 sym = new ArrayScopeSymbol(this); | |
| 7196 sym->loc = loc; | |
| 7197 sym->parent = sc->scopesym; | |
| 7198 sc = sc->push(sym); | |
| 7199 } | |
| 7200 | |
| 7201 if (lwr) | |
| 7202 { lwr = lwr->semantic(sc); | |
| 7203 lwr = resolveProperties(sc, lwr); | |
| 7204 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7205 } | |
| 7206 if (upr) | |
| 7207 { upr = upr->semantic(sc); | |
| 7208 upr = resolveProperties(sc, upr); | |
| 7209 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7210 } | |
| 7211 | |
| 7212 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7213 sc->pop(); | |
| 7214 | |
| 7215 if (t->ty == Ttuple) | |
| 7216 { | |
| 7217 lwr = lwr->optimize(WANTvalue); | |
| 7218 upr = upr->optimize(WANTvalue); | |
| 7219 uinteger_t i1 = lwr->toUInteger(); | |
| 7220 uinteger_t i2 = upr->toUInteger(); | |
| 7221 | |
| 7222 size_t length; | |
| 7223 TupleExp *te; | |
| 7224 TypeTuple *tup; | |
| 7225 | |
| 7226 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7227 { te = (TupleExp *)e1; | |
| 7228 length = te->exps->dim; | |
| 7229 } | |
| 7230 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7231 { tup = (TypeTuple *)t; | |
| 7232 length = Argument::dim(tup->arguments); | |
| 7233 } | |
| 7234 else | |
| 7235 assert(0); | |
| 7236 | |
| 7237 if (i1 <= i2 && i2 <= length) | |
| 7238 { size_t j1 = (size_t) i1; | |
| 7239 size_t j2 = (size_t) i2; | |
| 7240 | |
| 7241 if (e1->op == TOKtuple) | |
| 7242 { Expressions *exps = new Expressions; | |
| 7243 exps->setDim(j2 - j1); | |
| 7244 for (size_t i = 0; i < j2 - j1; i++) | |
| 7245 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7246 exps->data[i] = (void *)e; | |
| 7247 } | |
| 7248 e = new TupleExp(loc, exps); | |
| 7249 } | |
| 7250 else | |
| 7251 { Arguments *args = new Arguments; | |
| 7252 args->reserve(j2 - j1); | |
| 7253 for (size_t i = j1; i < j2; i++) | |
| 7254 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7255 args->push(arg); | |
| 7256 } | |
| 7257 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7258 } | |
| 7259 e = e->semantic(sc); | |
| 7260 } | |
| 7261 else | |
| 7262 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7263 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7264 e = e1; |
| 7265 } | |
| 7266 return e; | |
| 7267 } | |
| 7268 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7269 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7270 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7271 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7272 type = t->nextOf()->arrayOf(); |
| 159 | 7273 return e; |
| 7274 | |
| 7275 Lerror: | |
| 7276 char *s; | |
| 7277 if (t->ty == Tvoid) | |
| 7278 s = e1->toChars(); | |
| 7279 else | |
| 7280 s = t->toChars(); | |
| 7281 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
|
7282 e = new IntegerExp(0); |
| 159 | 7283 return e; |
| 7284 } | |
| 7285 | |
| 7286 void SliceExp::checkEscape() | |
| 7287 { | |
| 7288 e1->checkEscape(); | |
| 7289 } | |
| 7290 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7291 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7292 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7293 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7294 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7295 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7296 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7297 |
| 159 | 7298 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7299 { | |
| 7300 return this; | |
| 7301 } | |
| 7302 | |
| 7303 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7304 { | |
| 7305 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7306 return this; | |
| 7307 } | |
| 7308 | |
| 7309 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7310 { | |
| 7311 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7312 buf->writeByte('['); | |
| 7313 if (upr || lwr) | |
| 7314 { | |
| 7315 if (lwr) | |
| 7316 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7317 else | |
| 7318 buf->writeByte('0'); | |
| 7319 buf->writestring(".."); | |
| 7320 if (upr) | |
| 7321 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7322 else | |
| 7323 buf->writestring("length"); // BUG: should be array.length | |
| 7324 } | |
| 7325 buf->writeByte(']'); | |
| 7326 } | |
| 7327 | |
| 7328 /********************** ArrayLength **************************************/ | |
| 7329 | |
| 7330 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7331 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7332 { | |
| 7333 } | |
| 7334 | |
| 7335 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7336 { Expression *e; | |
| 7337 | |
| 7338 #if LOGSEMANTIC | |
| 7339 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7340 #endif | |
| 7341 if (!type) | |
| 7342 { | |
| 7343 UnaExp::semantic(sc); | |
| 7344 e1 = resolveProperties(sc, e1); | |
| 7345 | |
| 7346 type = Type::tsize_t; | |
| 7347 } | |
| 7348 return this; | |
| 7349 } | |
| 7350 | |
| 7351 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7352 { | |
| 7353 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7354 buf->writestring(".length"); | |
| 7355 } | |
| 7356 | |
| 7357 /*********************** ArrayExp *************************************/ | |
| 7358 | |
| 7359 // e1 [ i1, i2, i3, ... ] | |
| 7360 | |
| 7361 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7362 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7363 { | |
| 7364 arguments = args; | |
| 7365 } | |
| 7366 | |
| 7367 Expression *ArrayExp::syntaxCopy() | |
| 7368 { | |
| 7369 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7370 } | |
| 7371 | |
| 7372 Expression *ArrayExp::semantic(Scope *sc) | |
| 7373 { Expression *e; | |
| 7374 Type *t1; | |
| 7375 | |
| 7376 #if LOGSEMANTIC | |
| 7377 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7378 #endif | |
| 7379 UnaExp::semantic(sc); | |
| 7380 e1 = resolveProperties(sc, e1); | |
| 7381 | |
| 7382 t1 = e1->type->toBasetype(); | |
| 7383 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7384 { // Convert to IndexExp | |
| 7385 if (arguments->dim != 1) | |
| 7386 error("only one index allowed to index %s", t1->toChars()); | |
| 7387 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7388 return e->semantic(sc); | |
| 7389 } | |
| 7390 | |
| 7391 // Run semantic() on each argument | |
| 7392 for (size_t i = 0; i < arguments->dim; i++) | |
| 7393 { e = (Expression *)arguments->data[i]; | |
| 7394 | |
| 7395 e = e->semantic(sc); | |
| 7396 if (!e->type) | |
| 7397 error("%s has no value", e->toChars()); | |
| 7398 arguments->data[i] = (void *)e; | |
| 7399 } | |
| 7400 | |
| 7401 expandTuples(arguments); | |
| 7402 assert(arguments && arguments->dim); | |
| 7403 | |
| 7404 e = op_overload(sc); | |
| 7405 if (!e) | |
| 7406 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7407 e = e1; | |
| 7408 } | |
| 7409 return e; | |
| 7410 } | |
| 7411 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7412 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7413 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7414 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7415 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7416 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7417 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7418 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7419 #endif |
| 159 | 7420 |
| 7421 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7422 { | |
| 7423 if (type && type->toBasetype()->ty == Tvoid) | |
| 7424 error("voids have no value"); | |
| 7425 return this; | |
| 7426 } | |
| 7427 | |
| 7428 | |
| 7429 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7430 { int i; | |
| 7431 | |
| 7432 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7433 buf->writeByte('['); | |
| 7434 argsToCBuffer(buf, arguments, hgs); | |
| 7435 buf->writeByte(']'); | |
| 7436 } | |
| 7437 | |
| 7438 /************************* DotExp ***********************************/ | |
| 7439 | |
| 7440 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7441 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7442 { | |
| 7443 } | |
| 7444 | |
| 7445 Expression *DotExp::semantic(Scope *sc) | |
| 7446 { | |
| 7447 #if LOGSEMANTIC | |
| 7448 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7449 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7450 #endif | |
| 7451 e1 = e1->semantic(sc); | |
| 7452 e2 = e2->semantic(sc); | |
| 7453 if (e2->op == TOKimport) | |
| 7454 { | |
| 7455 ScopeExp *se = (ScopeExp *)e2; | |
| 7456 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7457 if (td) | |
| 7458 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7459 e = e->semantic(sc); | |
| 7460 return e; | |
| 7461 } | |
| 7462 } | |
| 7463 if (!type) | |
| 7464 type = e2->type; | |
| 7465 return this; | |
| 7466 } | |
| 7467 | |
| 7468 | |
| 7469 /************************* CommaExp ***********************************/ | |
| 7470 | |
| 7471 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7472 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7473 { | |
| 7474 } | |
| 7475 | |
| 7476 Expression *CommaExp::semantic(Scope *sc) | |
| 7477 { | |
| 7478 if (!type) | |
| 7479 { BinExp::semanticp(sc); | |
| 7480 type = e2->type; | |
| 7481 } | |
| 7482 return this; | |
| 7483 } | |
| 7484 | |
| 7485 void CommaExp::checkEscape() | |
| 7486 { | |
| 7487 e2->checkEscape(); | |
| 7488 } | |
| 7489 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7490 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7491 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7492 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7493 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7494 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7495 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7496 |
| 159 | 7497 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7498 { | |
| 7499 e2 = e2->toLvalue(sc, NULL); | |
| 7500 return this; | |
| 7501 } | |
| 7502 | |
| 7503 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7504 { | |
| 7505 e2 = e2->modifiableLvalue(sc, e); | |
| 7506 return this; | |
| 7507 } | |
| 7508 | |
| 7509 int CommaExp::isBool(int result) | |
| 7510 { | |
| 7511 return e2->isBool(result); | |
| 7512 } | |
| 7513 | |
| 7514 int CommaExp::checkSideEffect(int flag) | |
| 7515 { | |
| 7516 if (flag == 2) | |
| 7517 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7518 else | |
| 7519 { | |
| 7520 // Don't check e1 until we cast(void) the a,b code generation | |
| 7521 return e2->checkSideEffect(flag); | |
| 7522 } | |
| 7523 } | |
| 7524 | |
| 7525 /************************** IndexExp **********************************/ | |
| 7526 | |
| 7527 // e1 [ e2 ] | |
| 7528 | |
| 7529 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7530 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7531 { | |
| 7532 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7533 lengthVar = NULL; | |
| 7534 modifiable = 0; // assume it is an rvalue | |
| 7535 } | |
| 7536 | |
| 7537 Expression *IndexExp::semantic(Scope *sc) | |
| 7538 { Expression *e; | |
| 7539 BinExp *b; | |
| 7540 UnaExp *u; | |
| 7541 Type *t1; | |
| 7542 ScopeDsymbol *sym; | |
| 7543 | |
| 7544 #if LOGSEMANTIC | |
| 7545 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7546 #endif | |
| 7547 if (type) | |
| 7548 return this; | |
| 7549 if (!e1->type) | |
| 7550 e1 = e1->semantic(sc); | |
| 7551 assert(e1->type); // semantic() should already be run on it | |
| 7552 e = this; | |
| 7553 | |
| 7554 // Note that unlike C we do not implement the int[ptr] | |
| 7555 | |
| 7556 t1 = e1->type->toBasetype(); | |
| 7557 | |
| 7558 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7559 { // Create scope for 'length' variable | |
| 7560 sym = new ArrayScopeSymbol(this); | |
| 7561 sym->loc = loc; | |
| 7562 sym->parent = sc->scopesym; | |
| 7563 sc = sc->push(sym); | |
| 7564 } | |
| 7565 | |
| 7566 e2 = e2->semantic(sc); | |
| 7567 if (!e2->type) | |
| 7568 { | |
| 7569 error("%s has no value", e2->toChars()); | |
| 7570 e2->type = Type::terror; | |
| 7571 } | |
| 7572 e2 = resolveProperties(sc, e2); | |
| 7573 | |
| 7574 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7575 sc = sc->pop(); | |
| 7576 | |
| 7577 switch (t1->ty) | |
| 7578 { | |
| 7579 case Tpointer: | |
| 7580 case Tarray: | |
| 7581 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7582 e->type = t1->next; | |
| 7583 break; | |
| 7584 | |
| 7585 case Tsarray: | |
| 7586 { | |
| 7587 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7588 | |
| 7589 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7590 | |
| 7591 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7592 // Do compile time array bounds checking if possible | |
| 7593 e2 = e2->optimize(WANTvalue); | |
| 7594 if (e2->op == TOKint64) | |
| 7595 { | |
| 7596 integer_t index = e2->toInteger(); | |
| 7597 integer_t length = tsa->dim->toInteger(); | |
| 7598 if (index < 0 || index >= length) | |
| 7599 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7600 index, length); | |
| 7601 } | |
| 7602 #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
|
7603 e->type = t1->nextOf(); |
| 159 | 7604 break; |
| 7605 } | |
| 7606 | |
| 7607 case Taarray: | |
| 7608 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7609 | |
| 7610 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7611 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7612 type = taa->next; | |
| 7613 break; | |
| 7614 } | |
| 7615 | |
| 7616 case Ttuple: | |
| 7617 { | |
| 7618 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7619 e2 = e2->optimize(WANTvalue); | |
| 7620 uinteger_t index = e2->toUInteger(); | |
| 7621 size_t length; | |
| 7622 TupleExp *te; | |
| 7623 TypeTuple *tup; | |
| 7624 | |
| 7625 if (e1->op == TOKtuple) | |
| 7626 { te = (TupleExp *)e1; | |
| 7627 length = te->exps->dim; | |
| 7628 } | |
| 7629 else if (e1->op == TOKtype) | |
| 7630 { | |
| 7631 tup = (TypeTuple *)t1; | |
| 7632 length = Argument::dim(tup->arguments); | |
| 7633 } | |
| 7634 else | |
| 7635 assert(0); | |
| 7636 | |
| 7637 if (index < length) | |
| 7638 { | |
| 7639 | |
| 7640 if (e1->op == TOKtuple) | |
| 7641 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7642 else | |
| 7643 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7644 } | |
| 7645 else | |
| 7646 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7647 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
|
7648 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7649 e = e1; |
| 159 | 7650 } |
| 7651 break; | |
| 7652 } | |
| 7653 | |
| 7654 default: | |
| 7655 error("%s must be an array or pointer type, not %s", | |
| 7656 e1->toChars(), e1->type->toChars()); | |
| 7657 type = Type::tint32; | |
| 7658 break; | |
| 7659 } | |
| 7660 return e; | |
| 7661 } | |
| 7662 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7663 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7664 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7665 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7666 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7667 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7668 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7669 |
| 159 | 7670 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7671 { | |
| 7672 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7673 // error("voids have no value"); | |
| 7674 return this; | |
| 7675 } | |
| 7676 | |
| 7677 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7678 { | |
| 7679 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7680 modifiable = 1; | |
| 7681 if (e1->op == TOKstring) | |
| 7682 error("string literals are immutable"); | |
| 7683 if (e1->type->toBasetype()->ty == Taarray) | |
| 7684 e1 = e1->modifiableLvalue(sc, e1); | |
| 7685 return toLvalue(sc, e); | |
| 7686 } | |
| 7687 | |
| 7688 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7689 { | |
| 7690 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7691 buf->writeByte('['); | |
| 7692 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7693 buf->writeByte(']'); | |
| 7694 } | |
| 7695 | |
| 7696 | |
| 7697 /************************* PostExp ***********************************/ | |
| 7698 | |
| 7699 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7700 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7701 new IntegerExp(loc, 1, Type::tint32)) | |
| 7702 { | |
| 7703 } | |
| 7704 | |
| 7705 Expression *PostExp::semantic(Scope *sc) | |
| 7706 { Expression *e = this; | |
| 7707 | |
| 7708 if (!type) | |
| 7709 { | |
| 7710 BinExp::semantic(sc); | |
| 7711 e2 = resolveProperties(sc, e2); | |
| 7712 | |
| 7713 e = op_overload(sc); | |
| 7714 if (e) | |
| 7715 return e; | |
| 7716 | |
| 7717 e = this; | |
| 7718 e1 = e1->modifiableLvalue(sc, e1); | |
| 7719 e1->checkScalar(); | |
| 7720 e1->checkNoBool(); | |
| 7721 if (e1->type->ty == Tpointer) | |
| 7722 e = scaleFactor(sc); | |
| 7723 else | |
| 7724 e2 = e2->castTo(sc, e1->type); | |
| 7725 e->type = e1->type; | |
| 7726 } | |
| 7727 return e; | |
| 7728 } | |
| 7729 | |
| 7730 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7731 { | |
| 7732 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7733 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7734 } | |
| 7735 | |
| 7736 /************************************************************/ | |
| 7737 | |
| 7738 /* Can be TOKconstruct too */ | |
| 7739 | |
| 7740 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7741 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7742 { | |
| 7743 ismemset = 0; | |
| 7744 } | |
| 7745 | |
| 7746 Expression *AssignExp::semantic(Scope *sc) | |
| 7747 { Type *t1; | |
| 7748 Expression *e1old = e1; | |
| 7749 | |
| 7750 #if LOGSEMANTIC | |
| 7751 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7752 #endif | |
| 7753 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7754 | |
| 7755 /* Look for operator overloading of a[i]=value. | |
| 7756 * Do it before semantic() otherwise the a[i] will have been | |
| 7757 * converted to a.opIndex() already. | |
| 7758 */ | |
| 7759 if (e1->op == TOKarray) | |
| 7760 { Type *t1; | |
| 7761 ArrayExp *ae = (ArrayExp *)e1; | |
| 7762 AggregateDeclaration *ad; | |
| 7763 Identifier *id = Id::index; | |
| 7764 | |
| 7765 ae->e1 = ae->e1->semantic(sc); | |
| 7766 t1 = ae->e1->type->toBasetype(); | |
| 7767 if (t1->ty == Tstruct) | |
| 7768 { | |
| 7769 ad = ((TypeStruct *)t1)->sym; | |
| 7770 goto L1; | |
| 7771 } | |
| 7772 else if (t1->ty == Tclass) | |
| 7773 { | |
| 7774 ad = ((TypeClass *)t1)->sym; | |
| 7775 L1: | |
| 7776 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7777 if (search_function(ad, Id::indexass)) | |
| 7778 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7779 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7780 | |
| 7781 a->insert(0, e2); | |
| 7782 e = new CallExp(loc, e, a); | |
| 7783 e = e->semantic(sc); | |
| 7784 return e; | |
| 7785 } | |
| 7786 else | |
| 7787 { | |
| 7788 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7789 if (search_function(ad, id)) | |
| 7790 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7791 | |
| 7792 if (1 || !global.params.useDeprecated) | |
| 7793 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7794 | |
| 7795 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7796 e = e->semantic(sc); | |
| 7797 return e; | |
| 7798 } | |
| 7799 } | |
| 7800 } | |
| 7801 } | |
| 7802 /* Look for operator overloading of a[i..j]=value. | |
| 7803 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7804 * converted to a.opSlice() already. | |
| 7805 */ | |
| 7806 if (e1->op == TOKslice) | |
| 7807 { Type *t1; | |
| 7808 SliceExp *ae = (SliceExp *)e1; | |
| 7809 AggregateDeclaration *ad; | |
| 7810 Identifier *id = Id::index; | |
| 7811 | |
| 7812 ae->e1 = ae->e1->semantic(sc); | |
| 7813 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7814 t1 = ae->e1->type->toBasetype(); | |
| 7815 if (t1->ty == Tstruct) | |
| 7816 { | |
| 7817 ad = ((TypeStruct *)t1)->sym; | |
| 7818 goto L2; | |
| 7819 } | |
| 7820 else if (t1->ty == Tclass) | |
| 7821 { | |
| 7822 ad = ((TypeClass *)t1)->sym; | |
| 7823 L2: | |
| 7824 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7825 if (search_function(ad, Id::sliceass)) | |
| 7826 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7827 Expressions *a = new Expressions(); | |
| 7828 | |
| 7829 a->push(e2); | |
| 7830 if (ae->lwr) | |
| 7831 { a->push(ae->lwr); | |
| 7832 assert(ae->upr); | |
| 7833 a->push(ae->upr); | |
| 7834 } | |
| 7835 else | |
| 7836 assert(!ae->upr); | |
| 7837 e = new CallExp(loc, e, a); | |
| 7838 e = e->semantic(sc); | |
| 7839 return e; | |
| 7840 } | |
| 7841 } | |
| 7842 } | |
| 7843 | |
| 7844 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7845 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7846 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7847 { // 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
|
7848 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7849 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7850 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7851 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7852 |
| 159 | 7853 e2 = resolveProperties(sc, e2); |
| 7854 assert(e1->type); | |
| 7855 | |
| 7856 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7857 */ | |
| 7858 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7859 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7860 TupleExp *tup2 = (TupleExp *)e2; | |
| 7861 size_t dim = tup1->exps->dim; | |
| 7862 if (dim != tup2->exps->dim) | |
| 7863 { | |
| 7864 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7865 } | |
| 7866 else | |
| 7867 { Expressions *exps = new Expressions; | |
| 7868 exps->setDim(dim); | |
| 7869 | |
| 7870 for (int i = 0; i < dim; i++) | |
| 7871 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7872 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7873 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7874 } | |
| 7875 Expression *e = new TupleExp(loc, exps); | |
| 7876 e = e->semantic(sc); | |
| 7877 return e; | |
| 7878 } | |
| 7879 } | |
| 7880 | |
| 7881 t1 = e1->type->toBasetype(); | |
| 7882 | |
| 7883 if (t1->ty == Tfunction) | |
| 7884 { // Rewrite f=value to f(value) | |
| 7885 Expression *e; | |
| 7886 | |
| 7887 e = new CallExp(loc, e1, e2); | |
| 7888 e = e->semantic(sc); | |
| 7889 return e; | |
| 7890 } | |
| 7891 | |
| 7892 /* If it is an assignment from a 'foreign' type, | |
| 7893 * check for operator overloading. | |
| 7894 */ | |
| 7895 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7896 { | |
| 7897 if (!e2->type->implicitConvTo(e1->type)) | |
| 7898 { | |
| 7899 Expression *e = op_overload(sc); | |
| 7900 if (e) | |
| 7901 return e; | |
| 7902 } | |
| 7903 } | |
| 7904 | |
| 7905 e2->rvalue(); | |
| 7906 | |
| 7907 if (e1->op == TOKarraylength) | |
| 7908 { | |
| 7909 // e1 is not an lvalue, but we let code generator handle it | |
| 7910 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7911 | |
| 7912 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7913 } | |
| 7914 else if (e1->op == TOKslice) | |
| 7915 ; | |
| 7916 else | |
| 7917 { // Try to do a decent error message with the expression | |
| 7918 // before it got constant folded | |
| 7919 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7920 } | |
| 7921 | |
| 7922 if (e1->op == TOKslice && | |
| 7923 t1->nextOf() && | |
| 7924 e2->implicitConvTo(t1->nextOf()) | |
| 7925 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7926 ) | |
| 7927 { // memset | |
| 7928 ismemset = 1; // make it easy for back end to tell what this is | |
| 7929 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7930 } | |
| 7931 else if (t1->ty == Tsarray) | |
| 7932 { | |
| 7933 error("cannot assign to static array %s", e1->toChars()); | |
| 7934 } | |
| 7935 else | |
| 7936 { | |
| 7937 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7938 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7939 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7940 /* 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
|
7941 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7942 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
|
7943 (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
|
7944 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
|
7945 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
|
7946 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
|
7947 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
|
7948 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7949 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
|
7950 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
|
7951 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7952 |
| 159 | 7953 type = e1->type; |
| 7954 assert(type); | |
| 7955 return this; | |
| 7956 } | |
| 7957 | |
| 7958 Expression *AssignExp::checkToBoolean() | |
| 7959 { | |
| 7960 // Things like: | |
| 7961 // if (a = b) ... | |
| 7962 // are usually mistakes. | |
| 7963 | |
| 7964 error("'=' does not give a boolean result"); | |
| 7965 return this; | |
| 7966 } | |
| 7967 | |
| 7968 /************************************************************/ | |
| 7969 | |
| 7970 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7971 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7972 { | |
| 7973 } | |
| 7974 | |
| 7975 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7976 { Expression *e; | |
| 7977 | |
| 7978 if (type) | |
| 7979 return this; | |
| 7980 | |
| 7981 BinExp::semantic(sc); | |
| 7982 e2 = resolveProperties(sc, e2); | |
| 7983 | |
| 7984 e = op_overload(sc); | |
| 7985 if (e) | |
| 7986 return e; | |
| 7987 | |
| 7988 Type *tb1 = e1->type->toBasetype(); | |
| 7989 Type *tb2 = e2->type->toBasetype(); | |
| 7990 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7991 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
|
7992 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7993 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
|
7994 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
|
7995 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
|
7996 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7997 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7998 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7999 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
|
8000 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8001 |
| 159 | 8002 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 8003 (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
|
8004 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8005 ) |
| 8006 { | |
| 8007 type = e1->type; | |
| 8008 e = this; | |
| 8009 } | |
| 8010 else | |
| 8011 { | |
| 8012 e1->checkScalar(); | |
| 8013 e1->checkNoBool(); | |
| 8014 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8015 e = scaleFactor(sc); | |
| 8016 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8017 { | |
| 8018 #if 0 | |
| 8019 // Need to rethink this | |
| 8020 if (e1->op != TOKvar) | |
| 8021 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8022 VarDeclaration *v; | |
| 8023 Expression *ea; | |
| 8024 Expression *ex; | |
| 8025 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8026 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8027 |
| 8028 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8029 v->semantic(sc); | |
| 8030 if (!sc->insert(v)) | |
| 8031 assert(0); | |
| 8032 v->parent = sc->func; | |
| 8033 | |
| 8034 ea = new AddrExp(loc, e1); | |
| 8035 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8036 | |
| 8037 ex = new VarExp(loc, v); | |
| 8038 ex = new PtrExp(loc, ex); | |
| 8039 e = new AddExp(loc, ex, e2); | |
| 8040 e = new CastExp(loc, e, e1->type); | |
| 8041 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8042 | |
| 8043 e = new CommaExp(loc, ea, e); | |
| 8044 } | |
| 8045 else | |
| 8046 #endif | |
| 8047 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8048 // BUG: doesn't account for side effects in e1 | |
| 8049 // BUG: other assignment operators for bits aren't handled at all | |
| 8050 e = new AddExp(loc, e1, e2); | |
| 8051 e = new CastExp(loc, e, e1->type); | |
| 8052 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8053 } | |
| 8054 e = e->semantic(sc); | |
| 8055 } | |
| 8056 else | |
| 8057 { | |
| 8058 type = e1->type; | |
| 8059 typeCombine(sc); | |
| 8060 e1->checkArithmetic(); | |
| 8061 e2->checkArithmetic(); | |
| 8062 if (type->isreal() || type->isimaginary()) | |
| 8063 { | |
| 8064 assert(global.errors || e2->type->isfloating()); | |
| 8065 e2 = e2->castTo(sc, e1->type); | |
| 8066 } | |
| 8067 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8068 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8069 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
|
8070 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8071 } |
| 8072 } | |
| 8073 return e; | |
| 8074 } | |
| 8075 | |
| 8076 /************************************************************/ | |
| 8077 | |
| 8078 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8079 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8080 { | |
| 8081 } | |
| 8082 | |
| 8083 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8084 { Expression *e; | |
| 8085 | |
| 8086 if (type) | |
| 8087 return this; | |
| 8088 | |
| 8089 BinExp::semantic(sc); | |
| 8090 e2 = resolveProperties(sc, e2); | |
| 8091 | |
| 8092 e = op_overload(sc); | |
| 8093 if (e) | |
| 8094 return e; | |
| 8095 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8096 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
|
8097 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8098 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
|
8099 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
|
8100 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
|
8101 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8102 |
| 159 | 8103 e1 = e1->modifiableLvalue(sc, e1); |
| 8104 e1->checkScalar(); | |
| 8105 e1->checkNoBool(); | |
| 8106 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8107 e = scaleFactor(sc); | |
| 8108 else | |
| 8109 { | |
| 8110 e1 = e1->checkArithmetic(); | |
| 8111 e2 = e2->checkArithmetic(); | |
| 8112 type = e1->type; | |
| 8113 typeCombine(sc); | |
| 8114 if (type->isreal() || type->isimaginary()) | |
| 8115 { | |
| 8116 assert(e2->type->isfloating()); | |
| 8117 e2 = e2->castTo(sc, e1->type); | |
| 8118 } | |
| 8119 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8120 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8121 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
|
8122 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8123 } |
| 8124 return e; | |
| 8125 } | |
| 8126 | |
| 8127 /************************************************************/ | |
| 8128 | |
| 8129 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8130 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8131 { | |
| 8132 } | |
| 8133 | |
| 8134 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8135 { Expression *e; | |
| 8136 | |
| 8137 BinExp::semantic(sc); | |
| 8138 e2 = resolveProperties(sc, e2); | |
| 8139 | |
| 8140 e = op_overload(sc); | |
| 8141 if (e) | |
| 8142 return e; | |
| 8143 | |
| 8144 if (e1->op == TOKslice) | |
| 8145 { SliceExp *se = (SliceExp *)e1; | |
| 8146 | |
| 8147 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8148 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8149 } | |
| 8150 | |
| 8151 e1 = e1->modifiableLvalue(sc, e1); | |
| 8152 | |
| 8153 Type *tb1 = e1->type->toBasetype(); | |
| 8154 Type *tb2 = e2->type->toBasetype(); | |
| 8155 | |
| 8156 e2->rvalue(); | |
| 8157 | |
| 8158 if ((tb1->ty == Tarray) && | |
| 8159 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8160 e2->implicitConvTo(e1->type) | |
| 8161 //e1->type->next->equals(e2->type->next) | |
| 8162 ) | |
| 8163 { // Append array | |
| 8164 e2 = e2->castTo(sc, e1->type); | |
| 8165 type = e1->type; | |
| 8166 e = this; | |
| 8167 } | |
| 8168 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
|
8169 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8170 ) |
| 8171 { // 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
|
8172 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8173 type = e1->type; |
| 8174 e = this; | |
| 8175 } | |
| 8176 else | |
| 8177 { | |
| 8178 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8179 type = Type::tint32; | |
| 8180 e = this; | |
| 8181 } | |
| 8182 return e; | |
| 8183 } | |
| 8184 | |
| 8185 /************************************************************/ | |
| 8186 | |
| 8187 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8188 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8189 { | |
| 8190 } | |
| 8191 | |
| 8192 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8193 { Expression *e; | |
| 8194 | |
| 8195 BinExp::semantic(sc); | |
| 8196 e2 = resolveProperties(sc, e2); | |
| 8197 | |
| 8198 e = op_overload(sc); | |
| 8199 if (e) | |
| 8200 return e; | |
| 8201 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8202 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
|
8203 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8204 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
|
8205 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
|
8206 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
|
8207 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8208 |
| 159 | 8209 e1 = e1->modifiableLvalue(sc, e1); |
| 8210 e1->checkScalar(); | |
| 8211 e1->checkNoBool(); | |
| 8212 type = e1->type; | |
| 8213 typeCombine(sc); | |
| 8214 e1->checkArithmetic(); | |
| 8215 e2->checkArithmetic(); | |
| 8216 if (e2->type->isfloating()) | |
| 8217 { Type *t1; | |
| 8218 Type *t2; | |
| 8219 | |
| 8220 t1 = e1->type; | |
| 8221 t2 = e2->type; | |
| 8222 if (t1->isreal()) | |
| 8223 { | |
| 8224 if (t2->isimaginary() || t2->iscomplex()) | |
| 8225 { | |
| 8226 e2 = e2->castTo(sc, t1); | |
| 8227 } | |
| 8228 } | |
| 8229 else if (t1->isimaginary()) | |
| 8230 { | |
| 8231 if (t2->isimaginary() || t2->iscomplex()) | |
| 8232 { | |
| 8233 switch (t1->ty) | |
| 8234 { | |
| 8235 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8236 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8237 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8238 default: | |
| 8239 assert(0); | |
| 8240 } | |
| 8241 e2 = e2->castTo(sc, t2); | |
| 8242 } | |
| 8243 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8244 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8245 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
|
8246 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8247 } |
| 8248 return this; | |
| 8249 } | |
| 8250 | |
| 8251 /************************************************************/ | |
| 8252 | |
| 8253 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8254 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8255 { | |
| 8256 } | |
| 8257 | |
| 8258 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8259 { Expression *e; | |
| 8260 | |
| 8261 BinExp::semantic(sc); | |
| 8262 e2 = resolveProperties(sc, e2); | |
| 8263 | |
| 8264 e = op_overload(sc); | |
| 8265 if (e) | |
| 8266 return e; | |
| 8267 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8268 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8269 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8270 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
|
8271 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
|
8272 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
|
8273 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8274 |
| 159 | 8275 e1 = e1->modifiableLvalue(sc, e1); |
| 8276 e1->checkScalar(); | |
| 8277 e1->checkNoBool(); | |
| 8278 type = e1->type; | |
| 8279 typeCombine(sc); | |
| 8280 e1->checkArithmetic(); | |
| 8281 e2->checkArithmetic(); | |
| 8282 if (e2->type->isimaginary()) | |
| 8283 { Type *t1; | |
| 8284 Type *t2; | |
| 8285 | |
| 8286 t1 = e1->type; | |
| 8287 if (t1->isreal()) | |
| 8288 { // x/iv = i(-x/v) | |
| 8289 // Therefore, the result is 0 | |
| 8290 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8291 e2->type = t1; | |
| 8292 e = new AssignExp(loc, e1, e2); | |
| 8293 e->type = t1; | |
| 8294 return e; | |
| 8295 } | |
| 8296 else if (t1->isimaginary()) | |
| 8297 { Expression *e; | |
| 8298 | |
| 8299 switch (t1->ty) | |
| 8300 { | |
| 8301 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8302 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8303 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8304 default: | |
| 8305 assert(0); | |
| 8306 } | |
| 8307 e2 = e2->castTo(sc, t2); | |
| 8308 e = new AssignExp(loc, e1, e2); | |
| 8309 e->type = t1; | |
| 8310 return e; | |
| 8311 } | |
| 8312 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8313 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8314 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
|
8315 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
|
8316 |
| 159 | 8317 return this; |
| 8318 } | |
| 8319 | |
| 8320 /************************************************************/ | |
| 8321 | |
| 8322 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8323 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8324 { | |
| 8325 } | |
| 8326 | |
| 8327 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8328 { | |
| 8329 return commonSemanticAssign(sc); | |
| 8330 } | |
| 8331 | |
| 8332 /************************************************************/ | |
| 8333 | |
| 8334 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8335 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8336 { | |
| 8337 } | |
| 8338 | |
| 8339 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8340 { Expression *e; | |
| 8341 | |
| 8342 //printf("ShlAssignExp::semantic()\n"); | |
| 8343 BinExp::semantic(sc); | |
| 8344 e2 = resolveProperties(sc, e2); | |
| 8345 | |
| 8346 e = op_overload(sc); | |
| 8347 if (e) | |
| 8348 return e; | |
| 8349 | |
| 8350 e1 = e1->modifiableLvalue(sc, e1); | |
| 8351 e1->checkScalar(); | |
| 8352 e1->checkNoBool(); | |
| 8353 type = e1->type; | |
| 8354 typeCombine(sc); | |
| 8355 e1->checkIntegral(); | |
| 8356 e2 = e2->checkIntegral(); | |
| 8357 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8358 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8359 return this; |
| 8360 } | |
| 8361 | |
| 8362 /************************************************************/ | |
| 8363 | |
| 8364 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8365 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8366 { | |
| 8367 } | |
| 8368 | |
| 8369 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8370 { Expression *e; | |
| 8371 | |
| 8372 BinExp::semantic(sc); | |
| 8373 e2 = resolveProperties(sc, e2); | |
| 8374 | |
| 8375 e = op_overload(sc); | |
| 8376 if (e) | |
| 8377 return e; | |
| 8378 | |
| 8379 e1 = e1->modifiableLvalue(sc, e1); | |
| 8380 e1->checkScalar(); | |
| 8381 e1->checkNoBool(); | |
| 8382 type = e1->type; | |
| 8383 typeCombine(sc); | |
| 8384 e1->checkIntegral(); | |
| 8385 e2 = e2->checkIntegral(); | |
| 8386 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8387 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8388 return this; |
| 8389 } | |
| 8390 | |
| 8391 /************************************************************/ | |
| 8392 | |
| 8393 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8394 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8395 { | |
| 8396 } | |
| 8397 | |
| 8398 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8399 { Expression *e; | |
| 8400 | |
| 8401 BinExp::semantic(sc); | |
| 8402 e2 = resolveProperties(sc, e2); | |
| 8403 | |
| 8404 e = op_overload(sc); | |
| 8405 if (e) | |
| 8406 return e; | |
| 8407 | |
| 8408 e1 = e1->modifiableLvalue(sc, e1); | |
| 8409 e1->checkScalar(); | |
| 8410 e1->checkNoBool(); | |
| 8411 type = e1->type; | |
| 8412 typeCombine(sc); | |
| 8413 e1->checkIntegral(); | |
| 8414 e2 = e2->checkIntegral(); | |
| 8415 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8416 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8417 return this; |
| 8418 } | |
| 8419 | |
| 8420 /************************************************************/ | |
| 8421 | |
| 8422 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8423 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8424 { | |
| 8425 } | |
| 8426 | |
| 8427 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8428 { | |
| 8429 return commonSemanticAssignIntegral(sc); | |
| 8430 } | |
| 8431 | |
| 8432 /************************************************************/ | |
| 8433 | |
| 8434 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8435 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8436 { | |
| 8437 } | |
| 8438 | |
| 8439 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8440 { | |
| 8441 return commonSemanticAssignIntegral(sc); | |
| 8442 } | |
| 8443 | |
| 8444 /************************************************************/ | |
| 8445 | |
| 8446 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8447 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8448 { | |
| 8449 } | |
| 8450 | |
| 8451 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8452 { | |
| 8453 return commonSemanticAssignIntegral(sc); | |
| 8454 } | |
| 8455 | |
| 8456 /************************* AddExp *****************************/ | |
| 8457 | |
| 8458 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8459 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8460 { | |
| 8461 } | |
| 8462 | |
| 8463 Expression *AddExp::semantic(Scope *sc) | |
| 8464 { Expression *e; | |
| 8465 | |
| 8466 #if LOGSEMANTIC | |
| 8467 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8468 #endif | |
| 8469 if (!type) | |
| 8470 { | |
| 8471 BinExp::semanticp(sc); | |
| 8472 | |
| 8473 e = op_overload(sc); | |
| 8474 if (e) | |
| 8475 return e; | |
| 8476 | |
| 8477 Type *tb1 = e1->type->toBasetype(); | |
| 8478 Type *tb2 = e2->type->toBasetype(); | |
| 8479 | |
| 8480 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8481 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8482 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8483 ) |
| 8484 { | |
| 8485 type = e1->type; | |
| 8486 e = this; | |
| 8487 } | |
| 8488 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8489 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8490 e = scaleFactor(sc); | |
| 8491 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8492 { | |
| 8493 incompatibleTypes(); | |
| 8494 type = e1->type; | |
| 8495 e = this; | |
| 8496 } | |
| 8497 else | |
| 8498 { | |
| 8499 typeCombine(sc); | |
| 8500 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8501 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8502 { | |
| 8503 switch (type->toBasetype()->ty) | |
| 8504 { | |
| 8505 case Tfloat32: | |
| 8506 case Timaginary32: | |
| 8507 type = Type::tcomplex32; | |
| 8508 break; | |
| 8509 | |
| 8510 case Tfloat64: | |
| 8511 case Timaginary64: | |
| 8512 type = Type::tcomplex64; | |
| 8513 break; | |
| 8514 | |
| 8515 case Tfloat80: | |
| 8516 case Timaginary80: | |
| 8517 type = Type::tcomplex80; | |
| 8518 break; | |
| 8519 | |
| 8520 default: | |
| 8521 assert(0); | |
| 8522 } | |
| 8523 } | |
| 8524 e = this; | |
| 8525 } | |
| 8526 return e; | |
| 8527 } | |
| 8528 return this; | |
| 8529 } | |
| 8530 | |
| 8531 /************************************************************/ | |
| 8532 | |
| 8533 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8534 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8535 { | |
| 8536 } | |
| 8537 | |
| 8538 Expression *MinExp::semantic(Scope *sc) | |
| 8539 { Expression *e; | |
| 8540 Type *t1; | |
| 8541 Type *t2; | |
| 8542 | |
| 8543 #if LOGSEMANTIC | |
| 8544 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8545 #endif | |
| 8546 if (type) | |
| 8547 return this; | |
| 8548 | |
| 8549 BinExp::semanticp(sc); | |
| 8550 | |
| 8551 e = op_overload(sc); | |
| 8552 if (e) | |
| 8553 return e; | |
| 8554 | |
| 8555 e = this; | |
| 8556 t1 = e1->type->toBasetype(); | |
| 8557 t2 = e2->type->toBasetype(); | |
| 8558 if (t1->ty == Tpointer) | |
| 8559 { | |
| 8560 if (t2->ty == Tpointer) | |
| 8561 { // Need to divide the result by the stride | |
| 8562 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8563 d_int64 stride; | |
| 8564 Expression *e; | |
| 8565 | |
| 8566 typeCombine(sc); // make sure pointer types are compatible | |
| 8567 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
|
8568 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
|
8569 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
|
8570 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8571 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
|
8572 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8573 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8574 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8575 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
|
8576 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
|
8577 } |
| 159 | 8578 return e; |
| 8579 } | |
| 8580 else if (t2->isintegral()) | |
| 8581 e = scaleFactor(sc); | |
| 8582 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
|
8583 { error("incompatible types for minus"); |
| 159 | 8584 return new IntegerExp(0); |
| 8585 } | |
| 8586 } | |
| 8587 else if (t2->ty == Tpointer) | |
| 8588 { | |
| 8589 type = e2->type; | |
| 8590 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8591 return new IntegerExp(0); | |
| 8592 } | |
| 8593 else | |
| 8594 { | |
| 8595 typeCombine(sc); | |
| 8596 t1 = e1->type->toBasetype(); | |
| 8597 t2 = e2->type->toBasetype(); | |
| 8598 if ((t1->isreal() && t2->isimaginary()) || | |
| 8599 (t1->isimaginary() && t2->isreal())) | |
| 8600 { | |
| 8601 switch (type->ty) | |
| 8602 { | |
| 8603 case Tfloat32: | |
| 8604 case Timaginary32: | |
| 8605 type = Type::tcomplex32; | |
| 8606 break; | |
| 8607 | |
| 8608 case Tfloat64: | |
| 8609 case Timaginary64: | |
| 8610 type = Type::tcomplex64; | |
| 8611 break; | |
| 8612 | |
| 8613 case Tfloat80: | |
| 8614 case Timaginary80: | |
| 8615 type = Type::tcomplex80; | |
| 8616 break; | |
| 8617 | |
| 8618 default: | |
| 8619 assert(0); | |
| 8620 } | |
| 8621 } | |
| 8622 } | |
| 8623 return e; | |
| 8624 } | |
| 8625 | |
| 8626 /************************* CatExp *****************************/ | |
| 8627 | |
| 8628 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8629 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8630 { | |
| 8631 } | |
| 8632 | |
| 8633 Expression *CatExp::semantic(Scope *sc) | |
| 8634 { Expression *e; | |
| 8635 | |
| 8636 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8637 if (!type) | |
| 8638 { | |
| 8639 BinExp::semanticp(sc); | |
| 8640 e = op_overload(sc); | |
| 8641 if (e) | |
| 8642 return e; | |
| 8643 | |
| 8644 Type *tb1 = e1->type->toBasetype(); | |
| 8645 Type *tb2 = e2->type->toBasetype(); | |
| 8646 | |
| 8647 | |
| 8648 /* BUG: Should handle things like: | |
| 8649 * char c; | |
| 8650 * c ~ ' ' | |
| 8651 * ' ' ~ c; | |
| 8652 */ | |
| 8653 | |
| 8654 #if 0 | |
| 8655 e1->type->print(); | |
| 8656 e2->type->print(); | |
| 8657 #endif | |
| 8658 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8659 e2->type->equals(tb1->next)) | |
| 8660 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8661 type = tb1->nextOf()->arrayOf(); |
| 159 | 8662 if (tb2->ty == Tarray) |
| 8663 { // Make e2 into [e2] | |
| 8664 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8665 e2->type = type; | |
| 8666 } | |
| 8667 return this; | |
| 8668 } | |
| 8669 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8670 e1->type->equals(tb2->next)) | |
| 8671 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8672 type = tb2->nextOf()->arrayOf(); |
| 159 | 8673 if (tb1->ty == Tarray) |
| 8674 { // Make e1 into [e1] | |
| 8675 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8676 e1->type = type; | |
| 8677 } | |
| 8678 return this; | |
| 8679 } | |
| 8680 | |
| 8681 typeCombine(sc); | |
| 8682 | |
| 8683 if (type->toBasetype()->ty == Tsarray) | |
| 8684 type = type->toBasetype()->next->arrayOf(); | |
| 8685 #if 0 | |
| 8686 e1->type->print(); | |
| 8687 e2->type->print(); | |
| 8688 type->print(); | |
| 8689 print(); | |
| 8690 #endif | |
| 8691 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8692 e = optimize(WANTvalue); | |
| 8693 else if (e1->type->equals(e2->type) && | |
| 8694 (e1->type->toBasetype()->ty == Tarray || | |
| 8695 e1->type->toBasetype()->ty == Tsarray)) | |
| 8696 { | |
| 8697 e = this; | |
| 8698 } | |
| 8699 else | |
| 8700 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8701 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8702 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8703 e1->type->toChars(), e2->type->toChars()); | |
| 8704 type = Type::tint32; | |
| 8705 e = this; | |
| 8706 } | |
| 8707 e->type = e->type->semantic(loc, sc); | |
| 8708 return e; | |
| 8709 } | |
| 8710 return this; | |
| 8711 } | |
| 8712 | |
| 8713 /************************************************************/ | |
| 8714 | |
| 8715 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8716 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8717 { | |
| 8718 } | |
| 8719 | |
| 8720 Expression *MulExp::semantic(Scope *sc) | |
| 8721 { Expression *e; | |
| 8722 | |
| 8723 #if 0 | |
| 8724 printf("MulExp::semantic() %s\n", toChars()); | |
| 8725 #endif | |
| 8726 if (type) | |
| 8727 { | |
| 8728 return this; | |
| 8729 } | |
| 8730 | |
| 8731 BinExp::semanticp(sc); | |
| 8732 e = op_overload(sc); | |
| 8733 if (e) | |
| 8734 return e; | |
| 8735 | |
| 8736 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
|
8737 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
|
8738 { 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
|
8739 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
|
8740 } |
| 159 | 8741 if (type->isfloating()) |
| 8742 { Type *t1 = e1->type; | |
| 8743 Type *t2 = e2->type; | |
| 8744 | |
| 8745 if (t1->isreal()) | |
| 8746 { | |
| 8747 type = t2; | |
| 8748 } | |
| 8749 else if (t2->isreal()) | |
| 8750 { | |
| 8751 type = t1; | |
| 8752 } | |
| 8753 else if (t1->isimaginary()) | |
| 8754 { | |
| 8755 if (t2->isimaginary()) | |
| 8756 { Expression *e; | |
| 8757 | |
| 8758 switch (t1->ty) | |
| 8759 { | |
| 8760 case Timaginary32: type = Type::tfloat32; break; | |
| 8761 case Timaginary64: type = Type::tfloat64; break; | |
| 8762 case Timaginary80: type = Type::tfloat80; break; | |
| 8763 default: assert(0); | |
| 8764 } | |
| 8765 | |
| 8766 // iy * iv = -yv | |
| 8767 e1->type = type; | |
| 8768 e2->type = type; | |
| 8769 e = new NegExp(loc, this); | |
| 8770 e = e->semantic(sc); | |
| 8771 return e; | |
| 8772 } | |
| 8773 else | |
| 8774 type = t2; // t2 is complex | |
| 8775 } | |
| 8776 else if (t2->isimaginary()) | |
| 8777 { | |
| 8778 type = t1; // t1 is complex | |
| 8779 } | |
| 8780 } | |
| 8781 return this; | |
| 8782 } | |
| 8783 | |
| 8784 /************************************************************/ | |
| 8785 | |
| 8786 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8787 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8788 { | |
| 8789 } | |
| 8790 | |
| 8791 Expression *DivExp::semantic(Scope *sc) | |
| 8792 { Expression *e; | |
| 8793 | |
| 8794 if (type) | |
| 8795 return this; | |
| 8796 | |
| 8797 BinExp::semanticp(sc); | |
| 8798 e = op_overload(sc); | |
| 8799 if (e) | |
| 8800 return e; | |
| 8801 | |
| 8802 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
|
8803 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
|
8804 { 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
|
8805 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
|
8806 } |
| 159 | 8807 if (type->isfloating()) |
| 8808 { Type *t1 = e1->type; | |
| 8809 Type *t2 = e2->type; | |
| 8810 | |
| 8811 if (t1->isreal()) | |
| 8812 { | |
| 8813 type = t2; | |
| 8814 if (t2->isimaginary()) | |
| 8815 { Expression *e; | |
| 8816 | |
| 8817 // x/iv = i(-x/v) | |
| 8818 e2->type = t1; | |
| 8819 e = new NegExp(loc, this); | |
| 8820 e = e->semantic(sc); | |
| 8821 return e; | |
| 8822 } | |
| 8823 } | |
| 8824 else if (t2->isreal()) | |
| 8825 { | |
| 8826 type = t1; | |
| 8827 } | |
| 8828 else if (t1->isimaginary()) | |
| 8829 { | |
| 8830 if (t2->isimaginary()) | |
| 8831 { | |
| 8832 switch (t1->ty) | |
| 8833 { | |
| 8834 case Timaginary32: type = Type::tfloat32; break; | |
| 8835 case Timaginary64: type = Type::tfloat64; break; | |
| 8836 case Timaginary80: type = Type::tfloat80; break; | |
| 8837 default: assert(0); | |
| 8838 } | |
| 8839 } | |
| 8840 else | |
| 8841 type = t2; // t2 is complex | |
| 8842 } | |
| 8843 else if (t2->isimaginary()) | |
| 8844 { | |
| 8845 type = t1; // t1 is complex | |
| 8846 } | |
| 8847 } | |
| 8848 return this; | |
| 8849 } | |
| 8850 | |
| 8851 /************************************************************/ | |
| 8852 | |
| 8853 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8854 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8855 { | |
| 8856 } | |
| 8857 | |
| 8858 Expression *ModExp::semantic(Scope *sc) | |
| 8859 { Expression *e; | |
| 8860 | |
| 8861 if (type) | |
| 8862 return this; | |
| 8863 | |
| 8864 BinExp::semanticp(sc); | |
| 8865 e = op_overload(sc); | |
| 8866 if (e) | |
| 8867 return e; | |
| 8868 | |
| 8869 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
|
8870 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
|
8871 { 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
|
8872 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
|
8873 } |
| 159 | 8874 if (type->isfloating()) |
| 8875 { type = e1->type; | |
| 8876 if (e2->type->iscomplex()) | |
| 8877 { error("cannot perform modulo complex arithmetic"); | |
| 8878 return new IntegerExp(0); | |
| 8879 } | |
| 8880 } | |
| 8881 return this; | |
| 8882 } | |
| 8883 | |
| 8884 /************************************************************/ | |
| 8885 | |
| 8886 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8887 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8888 { | |
| 8889 } | |
| 8890 | |
| 8891 Expression *ShlExp::semantic(Scope *sc) | |
| 8892 { Expression *e; | |
| 8893 | |
| 8894 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8895 if (!type) | |
| 8896 { BinExp::semanticp(sc); | |
| 8897 e = op_overload(sc); | |
| 8898 if (e) | |
| 8899 return e; | |
| 8900 e1 = e1->checkIntegral(); | |
| 8901 e2 = e2->checkIntegral(); | |
| 8902 e1 = e1->integralPromotions(sc); | |
| 8903 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8904 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8905 type = e1->type; |
| 8906 } | |
| 8907 return this; | |
| 8908 } | |
| 8909 | |
| 8910 /************************************************************/ | |
| 8911 | |
| 8912 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8913 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8914 { | |
| 8915 } | |
| 8916 | |
| 8917 Expression *ShrExp::semantic(Scope *sc) | |
| 8918 { Expression *e; | |
| 8919 | |
| 8920 if (!type) | |
| 8921 { BinExp::semanticp(sc); | |
| 8922 e = op_overload(sc); | |
| 8923 if (e) | |
| 8924 return e; | |
| 8925 e1 = e1->checkIntegral(); | |
| 8926 e2 = e2->checkIntegral(); | |
| 8927 e1 = e1->integralPromotions(sc); | |
| 8928 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8929 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8930 type = e1->type; |
| 8931 } | |
| 8932 return this; | |
| 8933 } | |
| 8934 | |
| 8935 /************************************************************/ | |
| 8936 | |
| 8937 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8938 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8939 { | |
| 8940 } | |
| 8941 | |
| 8942 Expression *UshrExp::semantic(Scope *sc) | |
| 8943 { Expression *e; | |
| 8944 | |
| 8945 if (!type) | |
| 8946 { BinExp::semanticp(sc); | |
| 8947 e = op_overload(sc); | |
| 8948 if (e) | |
| 8949 return e; | |
| 8950 e1 = e1->checkIntegral(); | |
| 8951 e2 = e2->checkIntegral(); | |
| 8952 e1 = e1->integralPromotions(sc); | |
| 8953 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
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parents:
639
diff
changeset
|
8954 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8955 type = e1->type; |
| 8956 } | |
| 8957 return this; | |
| 8958 } | |
| 8959 | |
| 8960 /************************************************************/ | |
| 8961 | |
| 8962 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8963 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8964 { | |
| 8965 } | |
| 8966 | |
| 8967 Expression *AndExp::semantic(Scope *sc) | |
| 8968 { Expression *e; | |
| 8969 | |
| 8970 if (!type) | |
| 8971 { BinExp::semanticp(sc); | |
| 8972 e = op_overload(sc); | |
| 8973 if (e) | |
| 8974 return e; | |
| 8975 if (e1->type->toBasetype()->ty == Tbool && | |
| 8976 e2->type->toBasetype()->ty == Tbool) | |
| 8977 { | |
| 8978 type = e1->type; | |
| 8979 e = this; | |
| 8980 } | |
| 8981 else | |
| 8982 { | |
| 8983 typeCombine(sc); | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8984 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
|
8985 { 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
|
8986 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
|
8987 } |
| 159 | 8988 } |
| 8989 } | |
| 8990 return this; | |
| 8991 } | |
| 8992 | |
| 8993 /************************************************************/ | |
| 8994 | |
| 8995 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8996 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8997 { | |
| 8998 } | |
| 8999 | |
| 9000 Expression *OrExp::semantic(Scope *sc) | |
| 9001 { Expression *e; | |
| 9002 | |
| 9003 if (!type) | |
| 9004 { BinExp::semanticp(sc); | |
| 9005 e = op_overload(sc); | |
| 9006 if (e) | |
| 9007 return e; | |
| 9008 if (e1->type->toBasetype()->ty == Tbool && | |
| 9009 e2->type->toBasetype()->ty == Tbool) | |
| 9010 { | |
| 9011 type = e1->type; | |
| 9012 e = this; | |
| 9013 } | |
| 9014 else | |
| 9015 { | |
| 9016 typeCombine(sc); | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9017 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
|
9018 { 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
|
9019 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
|
9020 } |
| 159 | 9021 } |
| 9022 } | |
| 9023 return this; | |
| 9024 } | |
| 9025 | |
| 9026 /************************************************************/ | |
| 9027 | |
| 9028 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9029 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9030 { | |
| 9031 } | |
| 9032 | |
| 9033 Expression *XorExp::semantic(Scope *sc) | |
| 9034 { Expression *e; | |
| 9035 | |
| 9036 if (!type) | |
| 9037 { BinExp::semanticp(sc); | |
| 9038 e = op_overload(sc); | |
| 9039 if (e) | |
| 9040 return e; | |
| 9041 if (e1->type->toBasetype()->ty == Tbool && | |
| 9042 e2->type->toBasetype()->ty == Tbool) | |
| 9043 { | |
| 9044 type = e1->type; | |
| 9045 e = this; | |
| 9046 } | |
| 9047 else | |
| 9048 { | |
| 9049 typeCombine(sc); | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9050 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
|
9051 { 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
|
9052 e2->checkIntegral(); |
|
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9053 } |
| 159 | 9054 } |
| 9055 } | |
| 9056 return this; | |
| 9057 } | |
| 9058 | |
| 9059 | |
| 9060 /************************************************************/ | |
| 9061 | |
| 9062 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9063 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9064 { | |
| 9065 } | |
| 9066 | |
| 9067 Expression *OrOrExp::semantic(Scope *sc) | |
| 9068 { | |
| 9069 unsigned cs1; | |
| 9070 | |
| 9071 // same as for AndAnd | |
| 9072 e1 = e1->semantic(sc); | |
| 9073 e1 = resolveProperties(sc, e1); | |
| 9074 e1 = e1->checkToPointer(); | |
| 9075 e1 = e1->checkToBoolean(); | |
| 9076 cs1 = sc->callSuper; | |
| 9077 | |
| 9078 if (sc->flags & SCOPEstaticif) | |
| 9079 { | |
| 9080 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9081 */ | |
| 9082 e1 = e1->optimize(WANTflags); | |
| 9083 if (e1->isBool(TRUE)) | |
| 9084 { | |
| 9085 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9086 } | |
| 9087 } | |
| 9088 | |
| 9089 e2 = e2->semantic(sc); | |
| 9090 sc->mergeCallSuper(loc, cs1); | |
| 9091 e2 = resolveProperties(sc, e2); | |
| 9092 e2 = e2->checkToPointer(); | |
| 9093 | |
| 9094 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
|
9095 if (e2->type->ty == Tvoid) |
| 159 | 9096 type = Type::tvoid; |
| 9097 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9098 error("%s is not an expression", e2->toChars()); | |
| 9099 return this; | |
| 9100 } | |
| 9101 | |
| 9102 Expression *OrOrExp::checkToBoolean() | |
| 9103 { | |
| 9104 e2 = e2->checkToBoolean(); | |
| 9105 return this; | |
| 9106 } | |
| 9107 | |
| 9108 int OrOrExp::isBit() | |
| 9109 { | |
| 9110 return TRUE; | |
| 9111 } | |
| 9112 | |
| 9113 int OrOrExp::checkSideEffect(int flag) | |
| 9114 { | |
| 9115 if (flag == 2) | |
| 9116 { | |
| 9117 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9118 } | |
| 9119 else | |
| 9120 { e1->checkSideEffect(1); | |
| 9121 return e2->checkSideEffect(flag); | |
| 9122 } | |
| 9123 } | |
| 9124 | |
| 9125 /************************************************************/ | |
| 9126 | |
| 9127 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9128 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9129 { | |
| 9130 } | |
| 9131 | |
| 9132 Expression *AndAndExp::semantic(Scope *sc) | |
| 9133 { | |
| 9134 unsigned cs1; | |
| 9135 | |
| 9136 // same as for OrOr | |
| 9137 e1 = e1->semantic(sc); | |
| 9138 e1 = resolveProperties(sc, e1); | |
| 9139 e1 = e1->checkToPointer(); | |
| 9140 e1 = e1->checkToBoolean(); | |
| 9141 cs1 = sc->callSuper; | |
| 9142 | |
| 9143 if (sc->flags & SCOPEstaticif) | |
| 9144 { | |
| 9145 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9146 */ | |
| 9147 e1 = e1->optimize(WANTflags); | |
| 9148 if (e1->isBool(FALSE)) | |
| 9149 { | |
| 9150 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9151 } | |
| 9152 } | |
| 9153 | |
| 9154 e2 = e2->semantic(sc); | |
| 9155 sc->mergeCallSuper(loc, cs1); | |
| 9156 e2 = resolveProperties(sc, e2); | |
| 9157 e2 = e2->checkToPointer(); | |
| 9158 | |
| 9159 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
|
9160 if (e2->type->ty == Tvoid) |
| 159 | 9161 type = Type::tvoid; |
| 9162 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9163 error("%s is not an expression", e2->toChars()); | |
| 9164 return this; | |
| 9165 } | |
| 9166 | |
| 9167 Expression *AndAndExp::checkToBoolean() | |
| 9168 { | |
| 9169 e2 = e2->checkToBoolean(); | |
| 9170 return this; | |
| 9171 } | |
| 9172 | |
| 9173 int AndAndExp::isBit() | |
| 9174 { | |
| 9175 return TRUE; | |
| 9176 } | |
| 9177 | |
| 9178 int AndAndExp::checkSideEffect(int flag) | |
| 9179 { | |
| 9180 if (flag == 2) | |
| 9181 { | |
| 9182 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9183 } | |
| 9184 else | |
| 9185 { | |
| 9186 e1->checkSideEffect(1); | |
| 9187 return e2->checkSideEffect(flag); | |
| 9188 } | |
| 9189 } | |
| 9190 | |
| 9191 /************************************************************/ | |
| 9192 | |
| 9193 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9194 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9195 { | |
| 9196 } | |
| 9197 | |
| 9198 Expression *InExp::semantic(Scope *sc) | |
| 9199 { Expression *e; | |
| 9200 | |
| 9201 if (type) | |
| 9202 return this; | |
| 9203 | |
| 9204 BinExp::semanticp(sc); | |
| 9205 e = op_overload(sc); | |
| 9206 if (e) | |
| 9207 return e; | |
| 9208 | |
| 9209 //type = Type::tboolean; | |
| 9210 Type *t2b = e2->type->toBasetype(); | |
| 9211 if (t2b->ty != Taarray) | |
| 9212 { | |
| 9213 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9214 type = Type::terror; | |
| 9215 } | |
| 9216 else | |
| 9217 { | |
| 9218 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9219 | |
| 9220 // Convert key to type of key | |
| 9221 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9222 | |
| 9223 // Return type is pointer to value | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9224 type = ta->nextOf()->pointerTo(); |
| 159 | 9225 } |
| 9226 return this; | |
| 9227 } | |
| 9228 | |
| 9229 int InExp::isBit() | |
| 9230 { | |
| 9231 return FALSE; | |
| 9232 } | |
| 9233 | |
| 9234 | |
| 9235 /************************************************************/ | |
| 9236 | |
| 9237 /* This deletes the key e1 from the associative array e2 | |
| 9238 */ | |
| 9239 | |
| 9240 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9241 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9242 { | |
| 9243 type = Type::tvoid; | |
| 9244 } | |
| 9245 | |
| 9246 /************************************************************/ | |
| 9247 | |
| 9248 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9249 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9250 { | |
| 9251 } | |
| 9252 | |
| 9253 Expression *CmpExp::semantic(Scope *sc) | |
| 9254 { Expression *e; | |
| 9255 Type *t1; | |
| 9256 Type *t2; | |
| 9257 | |
| 9258 #if LOGSEMANTIC | |
| 9259 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9260 #endif | |
| 9261 if (type) | |
| 9262 return this; | |
| 9263 | |
| 9264 BinExp::semanticp(sc); | |
| 9265 | |
| 9266 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9267 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9268 { | |
| 9269 error("do not use null when comparing class types"); | |
| 9270 } | |
| 9271 | |
| 9272 e = op_overload(sc); | |
| 9273 if (e) | |
| 9274 { | |
| 9275 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9276 e = e->semantic(sc); | |
| 9277 return e; | |
| 9278 } | |
| 9279 | |
| 9280 typeCombine(sc); | |
| 9281 type = Type::tboolean; | |
| 9282 | |
| 9283 // Special handling for array comparisons | |
| 9284 t1 = e1->type->toBasetype(); | |
| 9285 t2 = e2->type->toBasetype(); | |
| 9286 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9287 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9288 { | |
| 9289 if (!t1->next->equals(t2->next)) | |
| 9290 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9291 e = this; | |
| 9292 } | |
| 9293 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9294 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9295 { | |
| 9296 if (t2->ty == Tstruct) | |
| 9297 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9298 else | |
| 9299 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9300 e = this; | |
| 9301 } | |
| 9302 #if 1 | |
| 9303 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9304 { | |
| 9305 error("compare not defined for complex operands"); | |
| 9306 e = new IntegerExp(0); | |
| 9307 } | |
| 9308 #endif | |
| 9309 else | |
| 9310 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
|
9311 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9312 return e; |
| 9313 } | |
| 9314 | |
| 9315 int CmpExp::isBit() | |
| 9316 { | |
| 9317 return TRUE; | |
| 9318 } | |
| 9319 | |
| 9320 | |
| 9321 /************************************************************/ | |
| 9322 | |
| 9323 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9324 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9325 { | |
| 9326 assert(op == TOKequal || op == TOKnotequal); | |
| 9327 } | |
| 9328 | |
| 9329 Expression *EqualExp::semantic(Scope *sc) | |
| 9330 { Expression *e; | |
| 9331 Type *t1; | |
| 9332 Type *t2; | |
| 9333 | |
| 9334 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9335 if (type) | |
| 9336 return this; | |
| 9337 | |
| 9338 BinExp::semanticp(sc); | |
| 9339 | |
| 9340 /* Before checking for operator overloading, check to see if we're | |
| 9341 * comparing the addresses of two statics. If so, we can just see | |
| 9342 * if they are the same symbol. | |
| 9343 */ | |
| 9344 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9345 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9346 AddrExp *ae2 = (AddrExp *)e2; | |
| 9347 | |
| 9348 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9349 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9350 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9351 | |
| 9352 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9353 { | |
| 9354 // They are the same, result is 'true' for ==, 'false' for != | |
| 9355 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9356 return e; | |
| 9357 } | |
| 9358 } | |
| 9359 } | |
| 9360 | |
| 9361 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9362 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9363 { | |
| 9364 error("use '%s' instead of '%s' when comparing with null", | |
| 9365 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9366 Token::toChars(op)); | |
| 9367 } | |
| 9368 | |
| 9369 //if (e2->op != TOKnull) | |
| 9370 { | |
| 9371 e = op_overload(sc); | |
| 9372 if (e) | |
| 9373 { | |
| 9374 if (op == TOKnotequal) | |
| 9375 { | |
| 9376 e = new NotExp(e->loc, e); | |
| 9377 e = e->semantic(sc); | |
| 9378 } | |
| 9379 return e; | |
| 9380 } | |
| 9381 } | |
| 9382 | |
| 9383 e = typeCombine(sc); | |
| 9384 type = Type::tboolean; | |
| 9385 | |
| 9386 // Special handling for array comparisons | |
| 9387 t1 = e1->type->toBasetype(); | |
| 9388 t2 = e2->type->toBasetype(); | |
| 9389 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9390 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9391 { | |
| 9392 if (!t1->next->equals(t2->next)) | |
| 9393 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9394 } | |
| 9395 else | |
| 9396 { | |
| 9397 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9398 { | |
| 9399 // Cast both to complex | |
| 9400 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9401 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9402 } | |
| 9403 } | |
| 9404 return e; | |
| 9405 } | |
| 9406 | |
| 9407 int EqualExp::isBit() | |
| 9408 { | |
| 9409 return TRUE; | |
| 9410 } | |
| 9411 | |
| 9412 | |
| 9413 | |
| 9414 /************************************************************/ | |
| 9415 | |
| 9416 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9417 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9418 { | |
| 9419 } | |
| 9420 | |
| 9421 Expression *IdentityExp::semantic(Scope *sc) | |
| 9422 { | |
| 9423 if (type) | |
| 9424 return this; | |
| 9425 | |
| 9426 BinExp::semanticp(sc); | |
| 9427 type = Type::tboolean; | |
| 9428 typeCombine(sc); | |
| 9429 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9430 { | |
| 9431 // Cast both to complex | |
| 9432 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9433 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9434 } | |
| 9435 return this; | |
| 9436 } | |
| 9437 | |
| 9438 int IdentityExp::isBit() | |
| 9439 { | |
| 9440 return TRUE; | |
| 9441 } | |
| 9442 | |
| 9443 | |
| 9444 /****************************************************************/ | |
| 9445 | |
| 9446 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9447 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9448 { | |
| 9449 this->econd = econd; | |
| 9450 } | |
| 9451 | |
| 9452 Expression *CondExp::syntaxCopy() | |
| 9453 { | |
| 9454 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9455 } | |
| 9456 | |
| 9457 | |
| 9458 Expression *CondExp::semantic(Scope *sc) | |
| 9459 { Type *t1; | |
| 9460 Type *t2; | |
| 9461 unsigned cs0; | |
| 9462 unsigned cs1; | |
| 9463 | |
| 9464 #if LOGSEMANTIC | |
| 9465 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9466 #endif | |
| 9467 if (type) | |
| 9468 return this; | |
| 9469 | |
| 9470 econd = econd->semantic(sc); | |
| 9471 econd = resolveProperties(sc, econd); | |
| 9472 econd = econd->checkToPointer(); | |
| 9473 econd = econd->checkToBoolean(); | |
| 9474 | |
| 9475 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9476 * both contribute to the type of the result. | |
| 9477 */ | |
| 9478 if (sc->flags & SCOPEstaticif) | |
| 9479 { | |
| 9480 /* If in static if, don't evaluate what we don't have to. | |
| 9481 */ | |
| 9482 econd = econd->optimize(WANTflags); | |
| 9483 if (econd->isBool(TRUE)) | |
| 9484 { | |
| 9485 e1 = e1->semantic(sc); | |
| 9486 e1 = resolveProperties(sc, e1); | |
| 9487 return e1; | |
| 9488 } | |
| 9489 else if (econd->isBool(FALSE)) | |
| 9490 { | |
| 9491 e2 = e2->semantic(sc); | |
| 9492 e2 = resolveProperties(sc, e2); | |
| 9493 return e2; | |
| 9494 } | |
| 9495 } | |
| 9496 #endif | |
| 9497 | |
| 9498 | |
| 9499 cs0 = sc->callSuper; | |
| 9500 e1 = e1->semantic(sc); | |
| 9501 e1 = resolveProperties(sc, e1); | |
| 9502 cs1 = sc->callSuper; | |
| 9503 sc->callSuper = cs0; | |
| 9504 e2 = e2->semantic(sc); | |
| 9505 e2 = resolveProperties(sc, e2); | |
| 9506 sc->mergeCallSuper(loc, cs1); | |
| 9507 | |
| 9508 | |
| 9509 // If either operand is void, the result is void | |
| 9510 t1 = e1->type; | |
| 9511 t2 = e2->type; | |
| 9512 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9513 type = Type::tvoid; | |
| 9514 else if (t1 == t2) | |
| 9515 type = t1; | |
| 9516 else | |
| 9517 { | |
| 9518 typeCombine(sc); | |
| 9519 switch (e1->type->toBasetype()->ty) | |
| 9520 { | |
| 9521 case Tcomplex32: | |
| 9522 case Tcomplex64: | |
| 9523 case Tcomplex80: | |
| 9524 e2 = e2->castTo(sc, e1->type); | |
| 9525 break; | |
| 9526 } | |
| 9527 switch (e2->type->toBasetype()->ty) | |
| 9528 { | |
| 9529 case Tcomplex32: | |
| 9530 case Tcomplex64: | |
| 9531 case Tcomplex80: | |
| 9532 e1 = e1->castTo(sc, e2->type); | |
| 9533 break; | |
| 9534 } | |
| 9535 } | |
|
875
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Merged DMD 1.038
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diff
changeset
|
9536 #if 0 |
|
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Merged DMD 1.038
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diff
changeset
|
9537 printf("res: %s\n", type->toChars()); |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9538 printf("e1 : %s\n", e1->type->toChars()); |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9539 printf("e2 : %s\n", e2->type->toChars()); |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9540 #endif |
| 159 | 9541 return this; |
| 9542 } | |
| 9543 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9544 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
9545 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9546 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9547 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9548 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9549 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9550 |
| 159 | 9551 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9552 { | |
| 9553 PtrExp *e; | |
| 9554 | |
| 9555 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9556 e = new PtrExp(loc, this, type); | |
| 9557 | |
| 9558 e1 = e1->addressOf(sc); | |
| 9559 //e1 = e1->toLvalue(sc, NULL); | |
| 9560 | |
| 9561 e2 = e2->addressOf(sc); | |
| 9562 //e2 = e2->toLvalue(sc, NULL); | |
| 9563 | |
| 9564 typeCombine(sc); | |
| 9565 | |
| 9566 type = e2->type; | |
| 9567 return e; | |
| 9568 } | |
| 9569 | |
| 9570 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9571 { | |
| 9572 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9573 return this; | |
| 9574 } | |
| 9575 | |
| 9576 void CondExp::checkEscape() | |
| 9577 { | |
| 9578 e1->checkEscape(); | |
| 9579 e2->checkEscape(); | |
| 9580 } | |
| 9581 | |
| 9582 | |
| 9583 Expression *CondExp::checkToBoolean() | |
| 9584 { | |
| 9585 e1 = e1->checkToBoolean(); | |
| 9586 e2 = e2->checkToBoolean(); | |
| 9587 return this; | |
| 9588 } | |
| 9589 | |
| 9590 int CondExp::checkSideEffect(int flag) | |
| 9591 { | |
| 9592 if (flag == 2) | |
| 9593 { | |
| 9594 return econd->checkSideEffect(2) || | |
| 9595 e1->checkSideEffect(2) || | |
| 9596 e2->checkSideEffect(2); | |
| 9597 } | |
| 9598 else | |
| 9599 { | |
| 9600 econd->checkSideEffect(1); | |
| 9601 e1->checkSideEffect(flag); | |
| 9602 return e2->checkSideEffect(flag); | |
| 9603 } | |
| 9604 } | |
| 9605 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9606 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9607 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9608 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9609 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9610 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9611 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9612 |
| 159 | 9613 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9614 { | |
| 9615 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9616 buf->writestring(" ? "); | |
| 9617 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9618 buf->writestring(" : "); | |
| 9619 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9620 } | |
| 9621 | |
|
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
|
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 #if IN_LLVM |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9625 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9626 // 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
|
9627 |
|
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 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
|
9629 : 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
|
9630 { |
|
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
|
9631 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
|
9632 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
|
9633 } |
|
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
|
9634 |
|
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
|
9635 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
|
9636 { |
|
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
|
9637 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
|
9638 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
|
9639 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
|
9640 } |
|
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
|
9641 |
|
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
|
9642 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
|
9643 { |
|
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
|
9644 // 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
|
9645 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
|
9646 } |
|
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
|
9647 |
|
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
|
9648 #endif |