Mercurial > projects > ldc
annotate dmd/expression.c @ 875:330f999ade44
Merged DMD 1.038
| author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
|---|---|
| date | Tue, 06 Jan 2009 16:33:51 +0100 |
| parents | bc982f1ad106 |
| children | 27a379f288bf |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2008 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
| 14 #include <assert.h> | |
|
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15 #if _MSC_VER |
| 159 | 16 #include <complex> |
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17 #else |
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18 #endif |
| 159 | 19 #include <math.h> |
| 20 | |
| 21 #if _WIN32 && __DMC__ | |
| 22 extern "C" char * __cdecl __locale_decpoint; | |
| 23 #endif | |
| 24 | |
|
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25 #if __MINGW32__ |
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26 #ifndef isnan |
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27 #define isnan _isnan |
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28 #endif |
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29 #endif |
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30 |
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31 #ifdef __APPLE__ |
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32 #ifndef isnan |
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33 int isnan(double); |
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34 #endif |
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35 #endif |
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36 |
| 159 | 37 #if IN_GCC |
| 38 // Issues with using -include total.h (defines integer_t) and then complex.h fails... | |
| 39 #undef integer_t | |
| 40 #endif | |
| 41 | |
| 42 #ifdef __APPLE__ | |
| 43 #define integer_t dmd_integer_t | |
| 44 #endif | |
| 45 | |
| 46 #if IN_GCC || IN_LLVM | |
| 47 #include "mem.h" | |
| 48 #elif _WIN32 | |
| 49 #include "..\root\mem.h" | |
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50 #elif POSIX |
| 159 | 51 #include "../root/mem.h" |
| 52 #endif | |
| 53 | |
| 54 //#include "port.h" | |
| 55 #include "mtype.h" | |
| 56 #include "init.h" | |
| 57 #include "expression.h" | |
| 58 #include "template.h" | |
| 59 #include "utf.h" | |
| 60 #include "enum.h" | |
| 61 #include "scope.h" | |
| 62 #include "statement.h" | |
| 63 #include "declaration.h" | |
| 64 #include "aggregate.h" | |
| 65 #include "import.h" | |
| 66 #include "id.h" | |
| 67 #include "dsymbol.h" | |
| 68 #include "module.h" | |
| 69 #include "attrib.h" | |
| 70 #include "hdrgen.h" | |
| 71 #include "parse.h" | |
| 72 | |
| 73 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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74 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 75 |
| 76 #define LOGSEMANTIC 0 | |
| 77 | |
| 78 /********************************** | |
| 79 * Set operator precedence for each operator. | |
| 80 */ | |
| 81 | |
| 82 // Operator precedence - greater values are higher precedence | |
| 83 | |
| 84 enum PREC | |
| 85 { | |
| 86 PREC_zero, | |
| 87 PREC_expr, | |
| 88 PREC_assign, | |
| 89 PREC_cond, | |
| 90 PREC_oror, | |
| 91 PREC_andand, | |
| 92 PREC_or, | |
| 93 PREC_xor, | |
| 94 PREC_and, | |
| 95 PREC_equal, | |
| 96 PREC_rel, | |
| 97 PREC_shift, | |
| 98 PREC_add, | |
| 99 PREC_mul, | |
| 100 PREC_unary, | |
| 101 PREC_primary, | |
| 102 }; | |
| 103 | |
| 104 enum PREC precedence[TOKMAX]; | |
| 105 | |
| 106 void initPrecedence() | |
| 107 { | |
| 108 precedence[TOKdotvar] = PREC_primary; | |
| 109 precedence[TOKimport] = PREC_primary; | |
| 110 precedence[TOKidentifier] = PREC_primary; | |
| 111 precedence[TOKthis] = PREC_primary; | |
| 112 precedence[TOKsuper] = PREC_primary; | |
| 113 precedence[TOKint64] = PREC_primary; | |
| 114 precedence[TOKfloat64] = PREC_primary; | |
| 115 precedence[TOKnull] = PREC_primary; | |
| 116 precedence[TOKstring] = PREC_primary; | |
| 117 precedence[TOKarrayliteral] = PREC_primary; | |
| 118 precedence[TOKtypedot] = PREC_primary; | |
| 119 precedence[TOKtypeid] = PREC_primary; | |
| 120 precedence[TOKis] = PREC_primary; | |
| 121 precedence[TOKassert] = PREC_primary; | |
| 122 precedence[TOKfunction] = PREC_primary; | |
| 123 precedence[TOKvar] = PREC_primary; | |
| 336 | 124 #if DMDV2 |
| 125 precedence[TOKdefault] = PREC_primary; | |
| 126 #endif | |
| 159 | 127 |
| 128 // post | |
| 129 precedence[TOKdotti] = PREC_primary; | |
| 130 precedence[TOKdot] = PREC_primary; | |
| 131 // precedence[TOKarrow] = PREC_primary; | |
| 132 precedence[TOKplusplus] = PREC_primary; | |
| 133 precedence[TOKminusminus] = PREC_primary; | |
| 134 precedence[TOKcall] = PREC_primary; | |
| 135 precedence[TOKslice] = PREC_primary; | |
| 136 precedence[TOKarray] = PREC_primary; | |
| 137 | |
| 138 precedence[TOKaddress] = PREC_unary; | |
| 139 precedence[TOKstar] = PREC_unary; | |
| 140 precedence[TOKneg] = PREC_unary; | |
| 141 precedence[TOKuadd] = PREC_unary; | |
| 142 precedence[TOKnot] = PREC_unary; | |
| 143 precedence[TOKtobool] = PREC_add; | |
| 144 precedence[TOKtilde] = PREC_unary; | |
| 145 precedence[TOKdelete] = PREC_unary; | |
| 146 precedence[TOKnew] = PREC_unary; | |
| 147 precedence[TOKcast] = PREC_unary; | |
| 148 | |
| 149 precedence[TOKmul] = PREC_mul; | |
| 150 precedence[TOKdiv] = PREC_mul; | |
| 151 precedence[TOKmod] = PREC_mul; | |
| 152 | |
| 153 precedence[TOKadd] = PREC_add; | |
| 154 precedence[TOKmin] = PREC_add; | |
| 155 precedence[TOKcat] = PREC_add; | |
| 156 | |
| 157 precedence[TOKshl] = PREC_shift; | |
| 158 precedence[TOKshr] = PREC_shift; | |
| 159 precedence[TOKushr] = PREC_shift; | |
| 160 | |
| 161 precedence[TOKlt] = PREC_rel; | |
| 162 precedence[TOKle] = PREC_rel; | |
| 163 precedence[TOKgt] = PREC_rel; | |
| 164 precedence[TOKge] = PREC_rel; | |
| 165 precedence[TOKunord] = PREC_rel; | |
| 166 precedence[TOKlg] = PREC_rel; | |
| 167 precedence[TOKleg] = PREC_rel; | |
| 168 precedence[TOKule] = PREC_rel; | |
| 169 precedence[TOKul] = PREC_rel; | |
| 170 precedence[TOKuge] = PREC_rel; | |
| 171 precedence[TOKug] = PREC_rel; | |
| 172 precedence[TOKue] = PREC_rel; | |
| 173 precedence[TOKin] = PREC_rel; | |
| 174 | |
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175 #if 0 |
| 159 | 176 precedence[TOKequal] = PREC_equal; |
| 177 precedence[TOKnotequal] = PREC_equal; | |
| 178 precedence[TOKidentity] = PREC_equal; | |
| 179 precedence[TOKnotidentity] = PREC_equal; | |
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180 #else |
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181 /* Note that we changed precedence, so that < and != have the same |
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182 * precedence. This change is in the parser, too. |
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183 */ |
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184 precedence[TOKequal] = PREC_rel; |
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185 precedence[TOKnotequal] = PREC_rel; |
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186 precedence[TOKidentity] = PREC_rel; |
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187 precedence[TOKnotidentity] = PREC_rel; |
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188 #endif |
| 159 | 189 |
| 190 precedence[TOKand] = PREC_and; | |
| 191 | |
| 192 precedence[TOKxor] = PREC_xor; | |
| 193 | |
| 194 precedence[TOKor] = PREC_or; | |
| 195 | |
| 196 precedence[TOKandand] = PREC_andand; | |
| 197 | |
| 198 precedence[TOKoror] = PREC_oror; | |
| 199 | |
| 200 precedence[TOKquestion] = PREC_cond; | |
| 201 | |
| 202 precedence[TOKassign] = PREC_assign; | |
| 203 precedence[TOKconstruct] = PREC_assign; | |
| 204 precedence[TOKblit] = PREC_assign; | |
| 205 precedence[TOKaddass] = PREC_assign; | |
| 206 precedence[TOKminass] = PREC_assign; | |
| 207 precedence[TOKcatass] = PREC_assign; | |
| 208 precedence[TOKmulass] = PREC_assign; | |
| 209 precedence[TOKdivass] = PREC_assign; | |
| 210 precedence[TOKmodass] = PREC_assign; | |
| 211 precedence[TOKshlass] = PREC_assign; | |
| 212 precedence[TOKshrass] = PREC_assign; | |
| 213 precedence[TOKushrass] = PREC_assign; | |
| 214 precedence[TOKandass] = PREC_assign; | |
| 215 precedence[TOKorass] = PREC_assign; | |
| 216 precedence[TOKxorass] = PREC_assign; | |
| 217 | |
| 218 precedence[TOKcomma] = PREC_expr; | |
| 219 } | |
| 220 | |
| 336 | 221 /************************************************************* |
| 222 * Given var, we need to get the | |
| 223 * right 'this' pointer if var is in an outer class, but our | |
| 224 * existing 'this' pointer is in an inner class. | |
| 225 * Input: | |
| 226 * e1 existing 'this' | |
| 227 * ad struct or class we need the correct 'this' for | |
| 228 * var the specific member of ad we're accessing | |
| 229 */ | |
| 230 | |
| 231 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 232 Expression *e1, Declaration *var) | |
| 233 { | |
| 234 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 235 L1: | |
| 236 Type *t = e1->type->toBasetype(); | |
| 237 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 238 | |
| 239 /* If e1 is not the 'this' pointer for ad | |
| 240 */ | |
| 241 if (ad && | |
| 242 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 243 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 244 && | |
| 245 !(t->ty == Tstruct && | |
| 246 ((TypeStruct *)t)->sym == ad) | |
| 247 ) | |
| 248 { | |
| 249 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 250 ClassDeclaration *tcd = t->isClassHandle(); | |
| 251 | |
| 252 /* e1 is the right this if ad is a base class of e1 | |
| 253 */ | |
| 254 if (!cd || !tcd || | |
| 255 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 256 ) | |
| 257 { | |
| 258 /* Only classes can be inner classes with an 'outer' | |
| 259 * member pointing to the enclosing class instance | |
| 260 */ | |
| 261 if (tcd && tcd->isNested()) | |
| 262 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 263 * Rewrite it as the 'this' pointer for the outer class. | |
| 264 */ | |
| 265 | |
| 266 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 267 e1->type = tcd->vthis->type; | |
| 268 // Do not call checkNestedRef() | |
| 269 //e1 = e1->semantic(sc); | |
| 270 | |
| 271 // Skip up over nested functions, and get the enclosing | |
| 272 // class type. | |
| 273 int n = 0; | |
| 274 Dsymbol *s; | |
| 275 for (s = tcd->toParent(); | |
| 276 s && s->isFuncDeclaration(); | |
| 277 s = s->toParent()) | |
| 278 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 279 if (f->vthis) | |
| 280 { | |
| 281 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 282 n++; | |
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283 |
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284 // LDC seems dmd misses it sometimes here :/ |
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285 f->vthis->nestedref = 1; |
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286 |
| 336 | 287 e1 = new VarExp(loc, f->vthis); |
| 288 } | |
| 289 } | |
| 290 if (s && s->isClassDeclaration()) | |
| 291 { e1->type = s->isClassDeclaration()->type; | |
| 292 if (n > 1) | |
| 293 e1 = e1->semantic(sc); | |
| 294 } | |
| 295 else | |
| 296 e1 = e1->semantic(sc); | |
| 297 goto L1; | |
| 298 } | |
| 299 /* Can't find a path from e1 to ad | |
| 300 */ | |
| 301 e1->error("this for %s needs to be type %s not type %s", | |
| 302 var->toChars(), ad->toChars(), t->toChars()); | |
| 303 } | |
| 304 } | |
| 305 return e1; | |
| 306 } | |
| 307 | |
| 159 | 308 /***************************************** |
| 309 * Determine if 'this' is available. | |
| 310 * If it is, return the FuncDeclaration that has it. | |
| 311 */ | |
| 312 | |
| 313 FuncDeclaration *hasThis(Scope *sc) | |
| 314 { FuncDeclaration *fd; | |
| 315 FuncDeclaration *fdthis; | |
| 316 | |
| 317 //printf("hasThis()\n"); | |
| 318 fdthis = sc->parent->isFuncDeclaration(); | |
| 319 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 320 | |
| 321 // Go upwards until we find the enclosing member function | |
| 322 fd = fdthis; | |
| 323 while (1) | |
| 324 { | |
| 325 if (!fd) | |
| 326 { | |
| 327 goto Lno; | |
| 328 } | |
| 329 if (!fd->isNested()) | |
| 330 break; | |
| 331 | |
| 332 Dsymbol *parent = fd->parent; | |
| 333 while (parent) | |
| 334 { | |
| 335 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 336 if (ti) | |
| 337 parent = ti->parent; | |
| 338 else | |
| 339 break; | |
| 340 } | |
| 341 | |
| 342 fd = fd->parent->isFuncDeclaration(); | |
| 343 } | |
| 344 | |
| 345 if (!fd->isThis()) | |
| 346 { //printf("test '%s'\n", fd->toChars()); | |
| 347 goto Lno; | |
| 348 } | |
| 349 | |
| 350 assert(fd->vthis); | |
| 351 return fd; | |
| 352 | |
| 353 Lno: | |
| 354 return NULL; // don't have 'this' available | |
| 355 } | |
| 356 | |
| 357 | |
| 358 /*************************************** | |
| 359 * Pull out any properties. | |
| 360 */ | |
| 361 | |
| 362 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 363 { | |
| 364 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 365 if (e->type) | |
| 366 { | |
| 367 Type *t = e->type->toBasetype(); | |
| 368 | |
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369 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 370 { |
| 371 e = new CallExp(e->loc, e); | |
| 372 e = e->semantic(sc); | |
| 373 } | |
| 374 | |
| 375 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 376 */ | |
| 377 else if (e->op == TOKvar) | |
| 378 { VarExp *ve = (VarExp *)e; | |
| 379 | |
| 380 if (ve->var->storage_class & STClazy) | |
| 381 { | |
| 382 e = new CallExp(e->loc, e); | |
| 383 e = e->semantic(sc); | |
| 384 } | |
| 385 } | |
| 386 | |
| 387 else if (e->op == TOKdotexp) | |
| 388 { | |
| 389 e->error("expression has no value"); | |
| 390 } | |
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391 |
| 159 | 392 } |
| 393 return e; | |
| 394 } | |
| 395 | |
| 396 /****************************** | |
| 397 * Perform semantic() on an array of Expressions. | |
| 398 */ | |
| 399 | |
| 400 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 401 { | |
| 402 if (exps) | |
| 403 { | |
| 404 for (size_t i = 0; i < exps->dim; i++) | |
| 405 { Expression *e = (Expression *)exps->data[i]; | |
| 406 | |
| 407 e = e->semantic(sc); | |
| 408 exps->data[i] = (void *)e; | |
| 409 } | |
| 410 } | |
| 411 } | |
| 412 | |
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413 |
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414 /****************************** |
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415 * Perform canThrow() on an array of Expressions. |
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416 */ |
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417 |
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418 #if DMDV2 |
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419 int arrayExpressionCanThrow(Expressions *exps) |
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420 { |
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421 if (exps) |
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422 { |
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423 for (size_t i = 0; i < exps->dim; i++) |
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424 { Expression *e = (Expression *)exps->data[i]; |
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425 if (e && e->canThrow()) |
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426 return 1; |
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427 } |
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428 } |
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429 return 0; |
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430 } |
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431 #endif |
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432 |
| 159 | 433 /**************************************** |
| 434 * Expand tuples. | |
| 435 */ | |
| 436 | |
| 437 void expandTuples(Expressions *exps) | |
| 438 { | |
| 439 //printf("expandTuples()\n"); | |
| 440 if (exps) | |
| 441 { | |
| 442 for (size_t i = 0; i < exps->dim; i++) | |
| 443 { Expression *arg = (Expression *)exps->data[i]; | |
| 444 if (!arg) | |
| 445 continue; | |
| 446 | |
| 447 // Look for tuple with 0 members | |
| 448 if (arg->op == TOKtype) | |
| 449 { TypeExp *e = (TypeExp *)arg; | |
| 450 if (e->type->toBasetype()->ty == Ttuple) | |
| 451 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 452 | |
| 453 if (!tt->arguments || tt->arguments->dim == 0) | |
| 454 { | |
| 455 exps->remove(i); | |
| 456 if (i == exps->dim) | |
| 457 return; | |
| 458 i--; | |
| 459 continue; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 // Inline expand all the tuples | |
| 465 while (arg->op == TOKtuple) | |
| 466 { TupleExp *te = (TupleExp *)arg; | |
| 467 | |
| 468 exps->remove(i); // remove arg | |
| 469 exps->insert(i, te->exps); // replace with tuple contents | |
| 470 if (i == exps->dim) | |
| 471 return; // empty tuple, no more arguments | |
| 472 arg = (Expression *)exps->data[i]; | |
| 473 } | |
| 474 } | |
| 475 } | |
| 476 } | |
| 477 | |
| 478 /**************************************** | |
| 479 * Preprocess arguments to function. | |
| 480 */ | |
| 481 | |
| 482 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 483 { | |
| 484 if (exps) | |
| 485 { | |
| 486 expandTuples(exps); | |
| 487 | |
| 488 for (size_t i = 0; i < exps->dim; i++) | |
| 489 { Expression *arg = (Expression *)exps->data[i]; | |
| 490 | |
| 491 if (!arg->type) | |
| 492 { | |
| 493 #ifdef DEBUG | |
| 494 if (!global.gag) | |
| 495 printf("1: \n"); | |
| 496 #endif | |
| 497 arg->error("%s is not an expression", arg->toChars()); | |
| 498 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 499 } | |
| 500 | |
| 501 arg = resolveProperties(sc, arg); | |
| 502 exps->data[i] = (void *) arg; | |
| 503 | |
| 504 //arg->rvalue(); | |
| 505 #if 0 | |
| 506 if (arg->type->ty == Tfunction) | |
| 507 { | |
| 508 arg = new AddrExp(arg->loc, arg); | |
| 509 arg = arg->semantic(sc); | |
| 510 exps->data[i] = (void *) arg; | |
| 511 } | |
| 512 #endif | |
| 513 } | |
| 514 } | |
| 515 } | |
| 516 | |
| 336 | 517 /********************************************* |
| 518 * Call copy constructor for struct value argument. | |
| 519 */ | |
| 520 #if DMDV2 | |
| 521 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 522 { | |
| 523 Type *tb = e->type->toBasetype(); | |
| 524 assert(tb->ty == Tstruct); | |
| 525 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 526 if (sd->cpctor) | |
| 527 { | |
| 528 /* Create a variable tmp, and replace the argument e with: | |
| 529 * (tmp = e),tmp | |
| 530 * and let AssignExp() handle the construction. | |
| 531 * This is not the most efficent, ideally tmp would be constructed | |
| 532 * directly onto the stack. | |
| 533 */ | |
| 534 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 535 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 536 Expression *ae = new DeclarationExp(loc, tmp); | |
| 537 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 538 e = e->semantic(sc); | |
| 539 } | |
| 540 return e; | |
| 541 } | |
| 542 #endif | |
| 159 | 543 |
| 544 /**************************************** | |
| 545 * Now that we know the exact type of the function we're calling, | |
| 546 * the arguments[] need to be adjusted: | |
|
510
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547 * 1. implicitly convert argument to the corresponding parameter type |
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548 * 2. add default arguments for any missing arguments |
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549 * 3. do default promotions on arguments corresponding to ... |
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550 * 4. add hidden _arguments[] argument |
| 159 | 551 */ |
| 552 | |
| 553 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 554 { | |
| 555 unsigned n; | |
| 556 | |
| 557 //printf("functionArguments()\n"); | |
| 558 assert(arguments); | |
| 559 size_t nargs = arguments ? arguments->dim : 0; | |
| 560 size_t nparams = Argument::dim(tf->parameters); | |
| 561 | |
| 562 if (nargs > nparams && tf->varargs == 0) | |
|
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563 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 564 |
| 565 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 566 | |
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567 int done = 0; |
| 159 | 568 for (size_t i = 0; i < n; i++) |
| 569 { | |
| 570 Expression *arg; | |
| 571 | |
| 572 if (i < nargs) | |
| 573 arg = (Expression *)arguments->data[i]; | |
| 574 else | |
| 575 arg = NULL; | |
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576 Type *tb; |
| 159 | 577 |
| 578 if (i < nparams) | |
| 579 { | |
| 580 Argument *p = Argument::getNth(tf->parameters, i); | |
| 581 | |
| 582 if (!arg) | |
| 583 { | |
| 584 if (!p->defaultArg) | |
| 585 { | |
| 586 if (tf->varargs == 2 && i + 1 == nparams) | |
| 587 goto L2; | |
|
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588 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 589 break; |
| 590 } | |
| 336 | 591 arg = p->defaultArg; |
| 592 #if DMDV2 | |
| 593 if (arg->op == TOKdefault) | |
| 594 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 595 arg = de->resolve(loc, sc); | |
| 596 } | |
| 597 else | |
| 598 #endif | |
| 599 arg = arg->copy(); | |
| 159 | 600 arguments->push(arg); |
| 601 nargs++; | |
| 602 } | |
| 603 | |
| 604 if (tf->varargs == 2 && i + 1 == nparams) | |
| 605 { | |
| 606 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 607 if (arg->implicitConvTo(p->type)) | |
| 608 { | |
| 609 if (nargs != nparams) | |
|
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610 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 611 goto L1; |
| 612 } | |
| 613 L2: | |
| 614 Type *tb = p->type->toBasetype(); | |
| 615 Type *tret = p->isLazyArray(); | |
| 616 switch (tb->ty) | |
| 617 { | |
| 618 case Tsarray: | |
| 619 case Tarray: | |
| 620 { // Create a static array variable v of type arg->type | |
| 621 #ifdef IN_GCC | |
| 622 /* GCC 4.0 does not like zero length arrays used like | |
| 623 this; pass a null array value instead. Could also | |
| 624 just make a one-element array. */ | |
| 625 if (nargs - i == 0) | |
| 626 { | |
| 627 arg = new NullExp(loc); | |
| 628 break; | |
| 629 } | |
| 630 #endif | |
|
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631 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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632 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 633 t = t->semantic(loc, sc); |
| 634 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 635 v->semantic(sc); | |
| 636 v->parent = sc->parent; | |
| 637 //sc->insert(v); | |
| 638 | |
| 639 Expression *c = new DeclarationExp(0, v); | |
| 640 c->type = v->type; | |
| 641 | |
| 642 for (size_t u = i; u < nargs; u++) | |
| 643 { Expression *a = (Expression *)arguments->data[u]; | |
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644 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 645 a = a->toDelegate(sc, tret); |
| 646 | |
| 647 Expression *e = new VarExp(loc, v); | |
| 648 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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649 AssignExp *ae = new AssignExp(loc, e, a); |
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650 #if DMDV2 |
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651 ae->op = TOKconstruct; |
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652 #endif |
| 159 | 653 if (c) |
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654 c = new CommaExp(loc, c, ae); |
| 159 | 655 else |
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656 c = ae; |
| 159 | 657 } |
| 658 arg = new VarExp(loc, v); | |
| 659 if (c) | |
| 660 arg = new CommaExp(loc, c, arg); | |
| 661 break; | |
| 662 } | |
| 663 case Tclass: | |
| 664 { /* Set arg to be: | |
| 665 * new Tclass(arg0, arg1, ..., argn) | |
| 666 */ | |
| 667 Expressions *args = new Expressions(); | |
| 668 args->setDim(nargs - i); | |
| 669 for (size_t u = i; u < nargs; u++) | |
| 670 args->data[u - i] = arguments->data[u]; | |
| 671 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 672 break; | |
| 673 } | |
| 674 default: | |
| 675 if (!arg) | |
| 676 { error(loc, "not enough arguments"); | |
| 677 return; | |
| 678 } | |
| 679 break; | |
| 680 } | |
| 681 arg = arg->semantic(sc); | |
| 682 //printf("\targ = '%s'\n", arg->toChars()); | |
| 683 arguments->setDim(i + 1); | |
| 684 done = 1; | |
| 685 } | |
| 686 | |
| 687 L1: | |
| 688 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 689 arg = arg->implicitCastTo(sc, p->type); | |
| 690 if (p->storageClass & (STCout | STCref)) | |
| 691 { | |
| 692 // BUG: should check that argument to ref is type 'invariant' | |
| 693 // BUG: assignments to ref should also be type 'invariant' | |
| 694 arg = arg->modifiableLvalue(sc, arg); | |
| 695 | |
| 696 //if (arg->op == TOKslice) | |
| 697 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 698 } | |
| 699 | |
|
723
55f6c2e454d7
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|
700 // LDC we don't want this! |
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|
701 #if !IN_LLVM |
| 159 | 702 // Convert static arrays to pointers |
| 703 tb = arg->type->toBasetype(); | |
| 704 if (tb->ty == Tsarray) | |
| 705 { | |
| 706 arg = arg->checkToPointer(); | |
| 707 } | |
|
723
55f6c2e454d7
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708 #endif |
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709 |
|
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710 #if DMDV2 |
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711 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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712 { |
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713 arg = callCpCtor(loc, sc, arg); |
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714 } |
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715 #endif |
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716 |
| 159 | 717 |
| 718 // Convert lazy argument to a delegate | |
| 719 if (p->storageClass & STClazy) | |
| 720 { | |
| 721 arg = arg->toDelegate(sc, p->type); | |
| 722 } | |
|
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723 #if DMDV2 |
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724 /* Look for arguments that cannot 'escape' from the called |
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725 * function. |
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726 */ |
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727 if (!tf->parameterEscapes(p)) |
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728 { |
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729 /* Function literals can only appear once, so if this |
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730 * appearance was scoped, there cannot be any others. |
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731 */ |
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732 if (arg->op == TOKfunction) |
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733 { FuncExp *fe = (FuncExp *)arg; |
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|
734 fe->fd->tookAddressOf = 0; |
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735 } |
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736 |
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|
737 /* For passing a delegate to a scoped parameter, |
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738 * this doesn't count as taking the address of it. |
|
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|
739 * We only worry about 'escaping' references to the function. |
|
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740 */ |
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741 else if (arg->op == TOKdelegate) |
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742 { DelegateExp *de = (DelegateExp *)arg; |
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743 if (de->e1->op == TOKvar) |
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744 { VarExp *ve = (VarExp *)de->e1; |
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745 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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746 if (f) |
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747 { f->tookAddressOf--; |
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748 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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749 } |
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750 } |
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751 } |
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752 } |
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753 #endif |
| 159 | 754 } |
| 755 else | |
| 756 { | |
| 757 | |
| 758 // If not D linkage, do promotions | |
|
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759 // LDC: don't do promotions on intrinsics |
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760 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 761 { |
| 762 // Promote bytes, words, etc., to ints | |
| 763 arg = arg->integralPromotions(sc); | |
| 764 | |
| 765 // Promote floats to doubles | |
| 766 switch (arg->type->ty) | |
| 767 { | |
| 768 case Tfloat32: | |
| 769 arg = arg->castTo(sc, Type::tfloat64); | |
| 770 break; | |
| 771 | |
| 772 case Timaginary32: | |
| 773 arg = arg->castTo(sc, Type::timaginary64); | |
| 774 break; | |
| 775 } | |
| 776 } | |
| 777 | |
| 778 // Convert static arrays to dynamic arrays | |
| 779 tb = arg->type->toBasetype(); | |
| 780 if (tb->ty == Tsarray) | |
| 781 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 782 Type *ta = ts->next->arrayOf(); |
| 159 | 783 if (ts->size(arg->loc) == 0) |
| 784 { arg = new NullExp(arg->loc); | |
| 785 arg->type = ta; | |
| 786 } | |
| 787 else | |
| 788 arg = arg->castTo(sc, ta); | |
| 789 } | |
| 336 | 790 #if DMDV2 |
| 791 if (tb->ty == Tstruct) | |
| 792 { | |
| 793 arg = callCpCtor(loc, sc, arg); | |
| 794 } | |
| 795 | |
| 796 // Give error for overloaded function addresses | |
| 797 if (arg->op == TOKsymoff) | |
| 798 { SymOffExp *se = (SymOffExp *)arg; | |
| 799 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 800 arg->error("function %s is overloaded", arg->toChars()); | |
| 801 } | |
| 802 #endif | |
| 159 | 803 arg->rvalue(); |
| 804 } | |
| 805 arg = arg->optimize(WANTvalue); | |
| 806 arguments->data[i] = (void *) arg; | |
| 807 if (done) | |
| 808 break; | |
| 809 } | |
| 810 | |
| 811 #if !IN_LLVM | |
| 812 // If D linkage and variadic, add _arguments[] as first argument | |
| 813 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 814 { | |
| 815 Expression *e; | |
| 816 | |
| 817 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 818 arguments->dim - nparams); | |
| 819 arguments->insert(0, e); | |
| 820 } | |
| 821 #endif | |
| 822 } | |
| 823 | |
| 824 /************************************************** | |
| 825 * Write expression out to buf, but wrap it | |
| 826 * in ( ) if its precedence is less than pr. | |
| 827 */ | |
| 828 | |
| 829 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 830 { | |
| 336 | 831 //if (precedence[e->op] == 0) e->dump(0); |
|
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832 if (precedence[e->op] < pr || |
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833 /* Despite precedence, we don't allow a<b<c expressions. |
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834 * They must be parenthesized. |
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835 */ |
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836 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 837 { |
| 838 buf->writeByte('('); | |
| 839 e->toCBuffer(buf, hgs); | |
| 840 buf->writeByte(')'); | |
| 841 } | |
| 842 else | |
| 843 e->toCBuffer(buf, hgs); | |
| 844 } | |
| 845 | |
| 846 /************************************************** | |
| 847 * Write out argument list to buf. | |
| 848 */ | |
| 849 | |
| 850 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 851 { | |
| 852 if (arguments) | |
| 853 { | |
| 854 for (size_t i = 0; i < arguments->dim; i++) | |
| 855 { Expression *arg = (Expression *)arguments->data[i]; | |
| 856 | |
| 857 if (arg) | |
| 858 { if (i) | |
| 859 buf->writeByte(','); | |
| 860 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 861 } | |
| 862 } | |
| 863 } | |
| 864 } | |
| 865 | |
| 866 /************************************************** | |
| 867 * Write out argument types to buf. | |
| 868 */ | |
| 869 | |
| 870 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 871 { | |
| 872 if (arguments) | |
| 873 { OutBuffer argbuf; | |
| 874 | |
| 875 for (size_t i = 0; i < arguments->dim; i++) | |
| 876 { Expression *arg = (Expression *)arguments->data[i]; | |
| 877 | |
| 878 if (i) | |
| 879 buf->writeByte(','); | |
| 880 argbuf.reset(); | |
| 881 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 882 buf->write(&argbuf); | |
| 883 } | |
| 884 } | |
| 885 } | |
| 886 | |
| 887 /******************************** Expression **************************/ | |
| 888 | |
| 889 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 890 : loc(loc) | |
| 891 { | |
|
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892 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 893 this->loc = loc; |
| 894 this->op = op; | |
| 895 this->size = size; | |
| 896 type = NULL; | |
| 897 } | |
| 898 | |
| 899 Expression *Expression::syntaxCopy() | |
| 900 { | |
| 901 //printf("Expression::syntaxCopy()\n"); | |
| 902 //dump(0); | |
| 903 return copy(); | |
| 904 } | |
| 905 | |
| 906 /********************************* | |
| 907 * Does *not* do a deep copy. | |
| 908 */ | |
| 909 | |
| 910 Expression *Expression::copy() | |
| 911 { | |
| 912 Expression *e; | |
| 913 if (!size) | |
| 914 { | |
| 915 #ifdef DEBUG | |
| 916 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 917 printf("op = %d\n", op); | |
| 918 dump(0); | |
| 919 #endif | |
| 920 assert(0); | |
| 921 } | |
| 922 e = (Expression *)mem.malloc(size); | |
|
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923 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 924 return (Expression *)memcpy(e, this, size); |
| 925 } | |
| 926 | |
| 927 /************************** | |
| 928 * Semantically analyze Expression. | |
| 929 * Determine types, fold constants, etc. | |
| 930 */ | |
| 931 | |
| 932 Expression *Expression::semantic(Scope *sc) | |
| 933 { | |
| 934 #if LOGSEMANTIC | |
| 336 | 935 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 936 #endif |
| 937 if (type) | |
| 938 type = type->semantic(loc, sc); | |
| 939 else | |
| 940 type = Type::tvoid; | |
| 941 return this; | |
| 942 } | |
| 943 | |
| 944 void Expression::print() | |
| 945 { | |
| 946 fprintf(stdmsg, "%s\n", toChars()); | |
| 947 fflush(stdmsg); | |
| 948 } | |
| 949 | |
| 950 char *Expression::toChars() | |
| 951 { OutBuffer *buf; | |
| 952 HdrGenState hgs; | |
| 953 | |
| 954 memset(&hgs, 0, sizeof(hgs)); | |
| 955 buf = new OutBuffer(); | |
| 956 toCBuffer(buf, &hgs); | |
| 957 return buf->toChars(); | |
| 958 } | |
| 959 | |
| 960 void Expression::error(const char *format, ...) | |
| 961 { | |
| 962 va_list ap; | |
| 963 va_start(ap, format); | |
| 964 ::verror(loc, format, ap); | |
| 965 va_end( ap ); | |
| 966 } | |
| 967 | |
| 968 void Expression::rvalue() | |
| 969 { | |
| 970 if (type && type->toBasetype()->ty == Tvoid) | |
| 971 { error("expression %s is void and has no value", toChars()); | |
| 972 #if 0 | |
| 973 dump(0); | |
| 974 halt(); | |
| 975 #endif | |
| 336 | 976 type = Type::tint32; |
| 159 | 977 } |
| 978 } | |
| 979 | |
| 980 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 981 { | |
| 982 if (e1) | |
| 983 { | |
| 984 if (e2) | |
| 985 { | |
| 986 e1 = new CommaExp(e1->loc, e1, e2); | |
| 987 e1->type = e2->type; | |
| 988 } | |
| 989 } | |
| 990 else | |
| 991 e1 = e2; | |
| 992 return e1; | |
| 993 } | |
| 994 | |
| 995 integer_t Expression::toInteger() | |
| 996 { | |
| 997 //printf("Expression %s\n", Token::toChars(op)); | |
| 998 error("Integer constant expression expected instead of %s", toChars()); | |
| 999 return 0; | |
| 1000 } | |
| 1001 | |
| 1002 uinteger_t Expression::toUInteger() | |
| 1003 { | |
| 1004 //printf("Expression %s\n", Token::toChars(op)); | |
| 1005 return (uinteger_t)toInteger(); | |
| 1006 } | |
| 1007 | |
| 1008 real_t Expression::toReal() | |
| 1009 { | |
| 1010 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1011 return 0; | |
| 1012 } | |
| 1013 | |
| 1014 real_t Expression::toImaginary() | |
| 1015 { | |
| 1016 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1017 return 0; | |
| 1018 } | |
| 1019 | |
| 1020 complex_t Expression::toComplex() | |
| 1021 { | |
| 1022 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1023 #ifdef IN_GCC | |
| 1024 return complex_t(real_t(0)); // %% nicer | |
| 1025 #else | |
| 1026 return 0; | |
| 1027 #endif | |
| 1028 } | |
| 1029 | |
| 1030 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1031 { | |
| 1032 buf->writestring(Token::toChars(op)); | |
| 1033 } | |
| 1034 | |
| 1035 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1036 { | |
| 1037 error("expression %s is not a valid template value argument", toChars()); | |
| 1038 } | |
| 1039 | |
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1040 /*************************************** |
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1041 * Return !=0 if expression is an lvalue. |
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1042 */ |
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1043 #if DMDV2 |
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1044 int Expression::isLvalue() |
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1045 { |
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1046 return 0; |
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1047 } |
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1048 #endif |
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1049 |
| 159 | 1050 /******************************* |
| 1051 * Give error if we're not an lvalue. | |
| 1052 * If we can, convert expression to be an lvalue. | |
| 1053 */ | |
| 1054 | |
| 1055 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1056 { | |
| 1057 if (!e) | |
| 1058 e = this; | |
| 1059 else if (!loc.filename) | |
| 1060 loc = e->loc; | |
| 1061 error("%s is not an lvalue", e->toChars()); | |
| 1062 return this; | |
| 1063 } | |
| 1064 | |
| 1065 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1066 { | |
|
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1067 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1068 |
| 159 | 1069 // See if this expression is a modifiable lvalue (i.e. not const) |
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1070 #if DMDV2 |
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1071 if (type && (!type->isMutable() || !type->isAssignable())) |
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1072 error("%s is not mutable", e->toChars()); |
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1073 #endif |
| 159 | 1074 return toLvalue(sc, e); |
| 1075 } | |
| 1076 | |
| 1077 /************************************ | |
| 1078 * Detect cases where pointers to the stack can 'escape' the | |
| 1079 * lifetime of the stack frame. | |
| 1080 */ | |
| 1081 | |
| 1082 void Expression::checkEscape() | |
| 1083 { | |
| 1084 } | |
| 1085 | |
| 1086 void Expression::checkScalar() | |
| 1087 { | |
| 1088 if (!type->isscalar()) | |
| 1089 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1090 } | |
| 1091 | |
| 1092 void Expression::checkNoBool() | |
| 1093 { | |
| 1094 if (type->toBasetype()->ty == Tbool) | |
| 1095 error("operation not allowed on bool '%s'", toChars()); | |
| 1096 } | |
| 1097 | |
| 1098 Expression *Expression::checkIntegral() | |
| 1099 { | |
| 1100 if (!type->isintegral()) | |
| 1101 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1102 return new IntegerExp(0); | |
| 1103 } | |
| 1104 return this; | |
| 1105 } | |
| 1106 | |
| 1107 Expression *Expression::checkArithmetic() | |
| 1108 { | |
| 1109 if (!type->isintegral() && !type->isfloating()) | |
| 1110 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1111 return new IntegerExp(0); | |
| 1112 } | |
| 1113 return this; | |
| 1114 } | |
| 1115 | |
| 1116 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1117 { | |
| 1118 s->checkDeprecated(loc, sc); | |
| 1119 } | |
| 1120 | |
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1121 #if DMDV2 |
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1122 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1123 { |
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1124 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
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1125 error("pure function '%s' cannot call impure function '%s'\n", |
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1126 sc->func->toChars(), f->toChars()); |
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1127 } |
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1128 #endif |
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1129 |
| 159 | 1130 /******************************** |
| 1131 * Check for expressions that have no use. | |
| 1132 * Input: | |
| 1133 * flag 0 not going to use the result, so issue error message if no | |
| 1134 * side effects | |
| 1135 * 1 the result of the expression is used, but still check | |
| 1136 * for useless subexpressions | |
| 1137 * 2 do not issue error messages, just return !=0 if expression | |
| 1138 * has side effects | |
| 1139 */ | |
| 1140 | |
| 1141 int Expression::checkSideEffect(int flag) | |
| 1142 { | |
| 1143 if (flag == 0) | |
| 1144 { if (op == TOKimport) | |
| 1145 { | |
| 1146 error("%s has no effect", toChars()); | |
| 1147 } | |
| 1148 else | |
| 1149 error("%s has no effect in expression (%s)", | |
| 1150 Token::toChars(op), toChars()); | |
| 1151 } | |
| 1152 return 0; | |
| 1153 } | |
| 1154 | |
| 1155 /***************************** | |
| 1156 * Check that expression can be tested for true or false. | |
| 1157 */ | |
| 1158 | |
| 1159 Expression *Expression::checkToBoolean() | |
| 1160 { | |
| 1161 // Default is 'yes' - do nothing | |
| 1162 | |
| 1163 #ifdef DEBUG | |
| 1164 if (!type) | |
| 1165 dump(0); | |
| 1166 #endif | |
| 1167 | |
| 1168 if (!type->checkBoolean()) | |
| 1169 { | |
| 1170 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1171 } | |
| 1172 return this; | |
| 1173 } | |
| 1174 | |
| 1175 /**************************** | |
| 1176 */ | |
| 1177 | |
| 1178 Expression *Expression::checkToPointer() | |
| 1179 { | |
| 1180 Expression *e; | |
| 1181 Type *tb; | |
| 1182 | |
| 1183 //printf("Expression::checkToPointer()\n"); | |
| 1184 e = this; | |
| 1185 | |
| 1186 // If C static array, convert to pointer | |
| 1187 tb = type->toBasetype(); | |
| 1188 if (tb->ty == Tsarray) | |
| 1189 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1190 if (ts->size(loc) == 0) | |
| 1191 e = new NullExp(loc); | |
| 1192 else | |
| 1193 e = new AddrExp(loc, this); | |
| 336 | 1194 e->type = ts->next->pointerTo(); |
| 159 | 1195 } |
| 1196 return e; | |
| 1197 } | |
| 1198 | |
| 1199 /****************************** | |
| 1200 * Take address of expression. | |
| 1201 */ | |
| 1202 | |
| 1203 Expression *Expression::addressOf(Scope *sc) | |
| 1204 { | |
| 1205 Expression *e; | |
| 1206 | |
| 1207 //printf("Expression::addressOf()\n"); | |
| 1208 e = toLvalue(sc, NULL); | |
| 1209 e = new AddrExp(loc, e); | |
| 1210 e->type = type->pointerTo(); | |
| 1211 return e; | |
| 1212 } | |
| 1213 | |
| 1214 /****************************** | |
| 1215 * If this is a reference, dereference it. | |
| 1216 */ | |
| 1217 | |
| 1218 Expression *Expression::deref() | |
| 1219 { | |
| 1220 //printf("Expression::deref()\n"); | |
| 1221 if (type->ty == Treference) | |
| 1222 { Expression *e; | |
| 1223 | |
| 1224 e = new PtrExp(loc, this); | |
| 336 | 1225 e->type = ((TypeReference *)type)->next; |
| 159 | 1226 return e; |
| 1227 } | |
| 1228 return this; | |
| 1229 } | |
| 1230 | |
| 1231 /******************************** | |
| 1232 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1233 */ | |
| 1234 | |
| 1235 int Expression::isBool(int result) | |
| 1236 { | |
| 1237 return FALSE; | |
| 1238 } | |
| 1239 | |
| 1240 /******************************** | |
| 1241 * Does this expression result in either a 1 or a 0? | |
| 1242 */ | |
| 1243 | |
| 1244 int Expression::isBit() | |
| 1245 { | |
| 1246 return FALSE; | |
| 1247 } | |
| 1248 | |
| 336 | 1249 /******************************** |
| 1250 * Can this expression throw an exception? | |
| 1251 * Valid only after semantic() pass. | |
| 1252 */ | |
| 1253 | |
| 1254 int Expression::canThrow() | |
| 1255 { | |
|
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1256 #if DMDV2 |
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1257 return FALSE; |
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1258 #else |
| 336 | 1259 return TRUE; |
|
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1260 #endif |
| 336 | 1261 } |
| 1262 | |
| 1263 | |
| 1264 | |
| 159 | 1265 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1266 { Expressions *a = NULL; | |
| 1267 | |
| 1268 if (exps) | |
| 1269 { | |
| 1270 a = new Expressions(); | |
| 1271 a->setDim(exps->dim); | |
| 1272 for (int i = 0; i < a->dim; i++) | |
| 1273 { Expression *e = (Expression *)exps->data[i]; | |
| 1274 | |
| 1275 e = e->syntaxCopy(); | |
| 1276 a->data[i] = e; | |
| 1277 } | |
| 1278 } | |
| 1279 return a; | |
| 1280 } | |
| 1281 | |
| 1282 /******************************** IntegerExp **************************/ | |
| 1283 | |
| 1284 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1285 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1286 { | |
| 1287 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1288 if (type && !type->isscalar()) | |
| 1289 { | |
| 336 | 1290 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1291 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1292 type = Type::terror; | |
| 1293 } | |
| 1294 this->type = type; | |
| 1295 this->value = value; | |
| 1296 } | |
| 1297 | |
| 1298 IntegerExp::IntegerExp(integer_t value) | |
| 1299 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1300 { | |
| 1301 this->type = Type::tint32; | |
| 1302 this->value = value; | |
| 1303 } | |
| 1304 | |
| 1305 int IntegerExp::equals(Object *o) | |
| 1306 { IntegerExp *ne; | |
| 1307 | |
| 1308 if (this == o || | |
| 1309 (((Expression *)o)->op == TOKint64 && | |
| 1310 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1311 value == ne->value)) | |
| 1312 return 1; | |
| 1313 return 0; | |
| 1314 } | |
| 1315 | |
| 1316 char *IntegerExp::toChars() | |
| 1317 { | |
| 1318 #if 1 | |
| 1319 return Expression::toChars(); | |
| 1320 #else | |
| 1321 static char buffer[sizeof(value) * 3 + 1]; | |
|
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1322 sprintf(buffer, "%lld", value); |
| 159 | 1323 return buffer; |
| 1324 #endif | |
| 1325 } | |
| 1326 | |
| 1327 integer_t IntegerExp::toInteger() | |
| 1328 { Type *t; | |
| 1329 | |
| 1330 t = type; | |
| 1331 while (t) | |
| 1332 { | |
| 1333 switch (t->ty) | |
| 1334 { | |
| 1335 case Tbit: | |
| 1336 case Tbool: value = (value != 0); break; | |
| 1337 case Tint8: value = (d_int8) value; break; | |
| 1338 case Tchar: | |
| 1339 case Tuns8: value = (d_uns8) value; break; | |
| 1340 case Tint16: value = (d_int16) value; break; | |
| 1341 case Twchar: | |
| 1342 case Tuns16: value = (d_uns16) value; break; | |
| 1343 case Tint32: value = (d_int32) value; break; | |
| 1344 case Tpointer: | |
| 1345 case Tdchar: | |
| 1346 case Tuns32: value = (d_uns32) value; break; | |
| 1347 case Tint64: value = (d_int64) value; break; | |
| 1348 case Tuns64: value = (d_uns64) value; break; | |
| 1349 | |
| 1350 case Tenum: | |
| 1351 { | |
| 1352 TypeEnum *te = (TypeEnum *)t; | |
| 1353 t = te->sym->memtype; | |
| 1354 continue; | |
| 1355 } | |
| 1356 | |
| 1357 case Ttypedef: | |
| 1358 { | |
| 1359 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1360 t = tt->sym->basetype; | |
| 1361 continue; | |
| 1362 } | |
| 1363 | |
| 1364 default: | |
| 336 | 1365 /* This can happen if errors, such as |
| 1366 * the type is painted on like in fromConstInitializer(). | |
| 1367 */ | |
| 1368 if (!global.errors) | |
| 1369 { type->print(); | |
| 1370 assert(0); | |
| 1371 } | |
| 159 | 1372 break; |
| 1373 } | |
| 1374 break; | |
| 1375 } | |
| 1376 return value; | |
| 1377 } | |
| 1378 | |
| 1379 real_t IntegerExp::toReal() | |
| 1380 { | |
| 1381 Type *t; | |
| 1382 | |
| 1383 toInteger(); | |
| 1384 t = type->toBasetype(); | |
| 1385 if (t->ty == Tuns64) | |
| 1386 return (real_t)(d_uns64)value; | |
| 1387 else | |
| 1388 return (real_t)(d_int64)value; | |
| 1389 } | |
| 1390 | |
| 1391 real_t IntegerExp::toImaginary() | |
| 1392 { | |
| 1393 return (real_t) 0; | |
| 1394 } | |
| 1395 | |
| 1396 complex_t IntegerExp::toComplex() | |
| 1397 { | |
| 1398 return toReal(); | |
| 1399 } | |
| 1400 | |
| 1401 int IntegerExp::isBool(int result) | |
| 1402 { | |
| 1403 return result ? value != 0 : value == 0; | |
| 1404 } | |
| 1405 | |
| 1406 Expression *IntegerExp::semantic(Scope *sc) | |
| 1407 { | |
| 1408 if (!type) | |
| 1409 { | |
| 1410 // Determine what the type of this number is | |
| 1411 integer_t number = value; | |
| 1412 | |
| 1413 if (number & 0x8000000000000000LL) | |
| 1414 type = Type::tuns64; | |
| 1415 else if (number & 0xFFFFFFFF80000000LL) | |
| 1416 type = Type::tint64; | |
| 1417 else | |
| 1418 type = Type::tint32; | |
| 1419 } | |
| 1420 else | |
|
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1421 { if (!type->deco) |
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1422 type = type->semantic(loc, sc); |
| 159 | 1423 } |
| 1424 return this; | |
| 1425 } | |
| 1426 | |
| 1427 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1428 { | |
| 1429 if (!e) | |
| 1430 e = this; | |
| 1431 else if (!loc.filename) | |
| 1432 loc = e->loc; | |
| 1433 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1434 return this; | |
| 1435 } | |
| 1436 | |
| 1437 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1438 { | |
| 1439 integer_t v = toInteger(); | |
| 1440 | |
| 1441 if (type) | |
| 1442 { Type *t = type; | |
| 1443 | |
| 1444 L1: | |
| 1445 switch (t->ty) | |
| 1446 { | |
| 1447 case Tenum: | |
| 1448 { TypeEnum *te = (TypeEnum *)t; | |
| 1449 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1450 t = te->sym->memtype; | |
| 1451 goto L1; | |
| 1452 } | |
| 1453 | |
| 1454 case Ttypedef: | |
| 1455 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1456 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1457 t = tt->sym->basetype; | |
| 1458 goto L1; | |
| 1459 } | |
| 1460 | |
| 1461 case Twchar: // BUG: need to cast(wchar) | |
| 1462 case Tdchar: // BUG: need to cast(dchar) | |
| 1463 if ((uinteger_t)v > 0xFF) | |
| 1464 { | |
| 1465 buf->printf("'\\U%08x'", v); | |
| 1466 break; | |
| 1467 } | |
| 1468 case Tchar: | |
| 1469 if (v == '\'') | |
| 1470 buf->writestring("'\\''"); | |
| 1471 else if (isprint(v) && v != '\\') | |
| 1472 buf->printf("'%c'", (int)v); | |
| 1473 else | |
| 1474 buf->printf("'\\x%02x'", (int)v); | |
| 1475 break; | |
| 1476 | |
| 1477 case Tint8: | |
| 1478 buf->writestring("cast(byte)"); | |
| 1479 goto L2; | |
| 1480 | |
| 1481 case Tint16: | |
| 1482 buf->writestring("cast(short)"); | |
| 1483 goto L2; | |
| 1484 | |
| 1485 case Tint32: | |
| 1486 L2: | |
| 1487 buf->printf("%d", (int)v); | |
| 1488 break; | |
| 1489 | |
| 1490 case Tuns8: | |
| 1491 buf->writestring("cast(ubyte)"); | |
| 1492 goto L3; | |
| 1493 | |
| 1494 case Tuns16: | |
| 1495 buf->writestring("cast(ushort)"); | |
| 1496 goto L3; | |
| 1497 | |
| 1498 case Tuns32: | |
| 1499 L3: | |
| 1500 buf->printf("%du", (unsigned)v); | |
| 1501 break; | |
| 1502 | |
| 1503 case Tint64: | |
|
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1504 buf->printf("%lldL", v); |
| 159 | 1505 break; |
| 1506 | |
| 1507 case Tuns64: | |
|
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1508 buf->printf("%lluLU", v); |
| 159 | 1509 break; |
| 1510 | |
| 1511 case Tbit: | |
| 1512 case Tbool: | |
| 1513 buf->writestring((char *)(v ? "true" : "false")); | |
| 1514 break; | |
| 1515 | |
| 1516 case Tpointer: | |
| 1517 buf->writestring("cast("); | |
| 1518 buf->writestring(t->toChars()); | |
| 1519 buf->writeByte(')'); | |
| 1520 goto L3; | |
| 1521 | |
| 1522 default: | |
| 336 | 1523 /* This can happen if errors, such as |
| 1524 * the type is painted on like in fromConstInitializer(). | |
| 1525 */ | |
| 1526 if (!global.errors) | |
| 1527 { | |
| 159 | 1528 #ifdef DEBUG |
| 336 | 1529 t->print(); |
| 159 | 1530 #endif |
| 336 | 1531 assert(0); |
| 1532 } | |
| 1533 break; | |
| 159 | 1534 } |
| 1535 } | |
| 1536 else if (v & 0x8000000000000000LL) | |
|
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1537 buf->printf("0x%llx", v); |
| 159 | 1538 else |
|
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1539 buf->printf("%lld", v); |
| 159 | 1540 } |
| 1541 | |
| 1542 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1543 { | |
| 1544 if ((sinteger_t)value < 0) | |
|
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1545 buf->printf("N%lld", -value); |
| 159 | 1546 else |
|
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1547 buf->printf("%lld", value); |
| 159 | 1548 } |
| 1549 | |
| 1550 /******************************** RealExp **************************/ | |
| 1551 | |
| 1552 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1553 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1554 { | |
| 1555 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1556 this->value = value; | |
| 1557 this->type = type; | |
| 1558 } | |
| 1559 | |
| 1560 char *RealExp::toChars() | |
| 1561 { | |
| 1562 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1563 | |
| 1564 #ifdef IN_GCC | |
| 1565 value.format(buffer, sizeof(buffer)); | |
| 1566 if (type->isimaginary()) | |
| 1567 strcat(buffer, "i"); | |
| 1568 #else | |
| 1569 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1570 #endif | |
| 1571 assert(strlen(buffer) < sizeof(buffer)); | |
| 1572 return mem.strdup(buffer); | |
| 1573 } | |
| 1574 | |
| 1575 integer_t RealExp::toInteger() | |
| 1576 { | |
| 1577 #ifdef IN_GCC | |
| 1578 return toReal().toInt(); | |
| 1579 #else | |
| 1580 return (sinteger_t) toReal(); | |
| 1581 #endif | |
| 1582 } | |
| 1583 | |
| 1584 uinteger_t RealExp::toUInteger() | |
| 1585 { | |
| 1586 #ifdef IN_GCC | |
| 1587 return (uinteger_t) toReal().toInt(); | |
| 1588 #else | |
| 1589 return (uinteger_t) toReal(); | |
| 1590 #endif | |
| 1591 } | |
| 1592 | |
| 1593 real_t RealExp::toReal() | |
| 1594 { | |
| 1595 return type->isreal() ? value : 0; | |
| 1596 } | |
| 1597 | |
| 1598 real_t RealExp::toImaginary() | |
| 1599 { | |
| 1600 return type->isreal() ? 0 : value; | |
| 1601 } | |
| 1602 | |
| 1603 complex_t RealExp::toComplex() | |
| 1604 { | |
| 1605 #ifdef __DMC__ | |
| 1606 return toReal() + toImaginary() * I; | |
| 1607 #else | |
| 1608 return complex_t(toReal(), toImaginary()); | |
| 1609 #endif | |
| 1610 } | |
| 1611 | |
| 1612 /******************************** | |
| 1613 * Test to see if two reals are the same. | |
| 1614 * Regard NaN's as equivalent. | |
| 1615 * Regard +0 and -0 as different. | |
| 1616 */ | |
| 1617 | |
| 1618 int RealEquals(real_t x1, real_t x2) | |
| 1619 { | |
|
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1620 return // special case nans |
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1621 (isnan(x1) && isnan(x2)) || |
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1622 // and zero, in order to distinguish +0 from -0 |
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1623 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1624 // otherwise just compare |
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1625 (x1 != 0. && x1 == x2); |
| 159 | 1626 } |
| 1627 | |
| 1628 int RealExp::equals(Object *o) | |
| 1629 { RealExp *ne; | |
| 1630 | |
| 1631 if (this == o || | |
| 1632 (((Expression *)o)->op == TOKfloat64 && | |
| 1633 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1634 RealEquals(value, ne->value) | |
| 1635 ) | |
| 1636 ) | |
| 1637 return 1; | |
| 1638 return 0; | |
| 1639 } | |
| 1640 | |
| 1641 Expression *RealExp::semantic(Scope *sc) | |
| 1642 { | |
| 1643 if (!type) | |
| 1644 type = Type::tfloat64; | |
| 1645 else | |
| 1646 type = type->semantic(loc, sc); | |
| 1647 return this; | |
| 1648 } | |
| 1649 | |
| 1650 int RealExp::isBool(int result) | |
| 1651 { | |
| 1652 #ifdef IN_GCC | |
| 1653 return result ? (! value.isZero()) : (value.isZero()); | |
| 1654 #else | |
| 1655 return result ? (value != 0) | |
| 1656 : (value == 0); | |
| 1657 #endif | |
| 1658 } | |
| 1659 | |
| 1660 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1661 { | |
| 1662 /* In order to get an exact representation, try converting it | |
| 1663 * to decimal then back again. If it matches, use it. | |
| 1664 * If it doesn't, fall back to hex, which is | |
| 1665 * always exact. | |
| 1666 */ | |
| 1667 char buffer[25]; | |
| 1668 sprintf(buffer, "%Lg", value); | |
| 1669 assert(strlen(buffer) < sizeof(buffer)); | |
| 1670 #if _WIN32 && __DMC__ | |
| 1671 char *save = __locale_decpoint; | |
| 1672 __locale_decpoint = "."; | |
| 1673 real_t r = strtold(buffer, NULL); | |
| 1674 __locale_decpoint = save; | |
| 1675 #else | |
| 1676 real_t r = strtold(buffer, NULL); | |
| 1677 #endif | |
| 1678 if (r == value) // if exact duplication | |
| 1679 buf->writestring(buffer); | |
| 1680 else | |
| 1681 buf->printf("%La", value); // ensure exact duplication | |
| 1682 | |
| 1683 if (type) | |
| 1684 { | |
| 1685 Type *t = type->toBasetype(); | |
| 1686 switch (t->ty) | |
| 1687 { | |
| 1688 case Tfloat32: | |
| 1689 case Timaginary32: | |
| 1690 case Tcomplex32: | |
| 1691 buf->writeByte('F'); | |
| 1692 break; | |
| 1693 | |
| 1694 case Tfloat80: | |
| 1695 case Timaginary80: | |
| 1696 case Tcomplex80: | |
| 1697 buf->writeByte('L'); | |
| 1698 break; | |
| 1699 | |
| 1700 default: | |
| 1701 break; | |
| 1702 } | |
| 1703 if (t->isimaginary()) | |
| 1704 buf->writeByte('i'); | |
| 1705 } | |
| 1706 } | |
| 1707 | |
| 1708 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1709 { | |
| 1710 floatToBuffer(buf, type, value); | |
| 1711 } | |
| 1712 | |
| 1713 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1714 { | |
| 1715 /* Rely on %A to get portable mangling. | |
| 1716 * Must munge result to get only identifier characters. | |
| 1717 * | |
| 1718 * Possible values from %A => mangled result | |
| 1719 * NAN => NAN | |
| 1720 * -INF => NINF | |
| 1721 * INF => INF | |
| 1722 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1723 * 0X1.9P+2 => 19P2 | |
| 1724 */ | |
| 1725 | |
| 1726 if (isnan(value)) | |
| 1727 buf->writestring("NAN"); // no -NAN bugs | |
| 1728 else | |
| 1729 { | |
| 1730 char buffer[32]; | |
| 1731 int n = sprintf(buffer, "%LA", value); | |
| 1732 assert(n > 0 && n < sizeof(buffer)); | |
| 1733 for (int i = 0; i < n; i++) | |
| 1734 { char c = buffer[i]; | |
| 1735 | |
| 1736 switch (c) | |
| 1737 { | |
| 1738 case '-': | |
| 1739 buf->writeByte('N'); | |
| 1740 break; | |
| 1741 | |
| 1742 case '+': | |
| 1743 case 'X': | |
| 1744 case '.': | |
| 1745 break; | |
| 1746 | |
| 1747 case '0': | |
| 1748 if (i < 2) | |
| 1749 break; // skip leading 0X | |
| 1750 default: | |
| 1751 buf->writeByte(c); | |
| 1752 break; | |
| 1753 } | |
| 1754 } | |
| 1755 } | |
| 1756 } | |
| 1757 | |
| 1758 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1759 { | |
| 1760 buf->writeByte('e'); | |
| 1761 realToMangleBuffer(buf, value); | |
| 1762 } | |
| 1763 | |
| 1764 | |
| 1765 /******************************** ComplexExp **************************/ | |
| 1766 | |
| 1767 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1768 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1769 { | |
| 1770 this->value = value; | |
| 1771 this->type = type; | |
| 1772 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1773 } | |
| 1774 | |
| 1775 char *ComplexExp::toChars() | |
| 1776 { | |
| 1777 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1778 | |
| 1779 #ifdef IN_GCC | |
| 1780 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1781 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1782 creall(value).format(buf1, sizeof(buf1)); | |
| 1783 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1784 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1785 #else | |
| 1786 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1787 assert(strlen(buffer) < sizeof(buffer)); | |
| 1788 #endif | |
| 1789 return mem.strdup(buffer); | |
| 1790 } | |
| 1791 | |
| 1792 integer_t ComplexExp::toInteger() | |
| 1793 { | |
| 1794 #ifdef IN_GCC | |
| 1795 return (sinteger_t) toReal().toInt(); | |
| 1796 #else | |
| 1797 return (sinteger_t) toReal(); | |
| 1798 #endif | |
| 1799 } | |
| 1800 | |
| 1801 uinteger_t ComplexExp::toUInteger() | |
| 1802 { | |
| 1803 #ifdef IN_GCC | |
| 1804 return (uinteger_t) toReal().toInt(); | |
| 1805 #else | |
| 1806 return (uinteger_t) toReal(); | |
| 1807 #endif | |
| 1808 } | |
| 1809 | |
| 1810 real_t ComplexExp::toReal() | |
| 1811 { | |
| 1812 return creall(value); | |
| 1813 } | |
| 1814 | |
| 1815 real_t ComplexExp::toImaginary() | |
| 1816 { | |
| 1817 return cimagl(value); | |
| 1818 } | |
| 1819 | |
| 1820 complex_t ComplexExp::toComplex() | |
| 1821 { | |
| 1822 return value; | |
| 1823 } | |
| 1824 | |
| 1825 int ComplexExp::equals(Object *o) | |
| 1826 { ComplexExp *ne; | |
| 1827 | |
| 1828 if (this == o || | |
| 1829 (((Expression *)o)->op == TOKcomplex80 && | |
| 1830 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1831 RealEquals(creall(value), creall(ne->value)) && | |
| 1832 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1833 ) | |
| 1834 ) | |
| 1835 return 1; | |
| 1836 return 0; | |
| 1837 } | |
| 1838 | |
| 1839 Expression *ComplexExp::semantic(Scope *sc) | |
| 1840 { | |
| 1841 if (!type) | |
| 1842 type = Type::tcomplex80; | |
| 1843 else | |
| 1844 type = type->semantic(loc, sc); | |
| 1845 return this; | |
| 1846 } | |
| 1847 | |
| 1848 int ComplexExp::isBool(int result) | |
| 1849 { | |
| 1850 if (result) | |
| 1851 return (bool)(value); | |
| 1852 else | |
| 1853 return !value; | |
| 1854 } | |
| 1855 | |
| 1856 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1857 { | |
| 1858 /* Print as: | |
| 1859 * (re+imi) | |
| 1860 */ | |
| 1861 #ifdef IN_GCC | |
| 1862 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1863 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1864 creall(value).format(buf1, sizeof(buf1)); | |
| 1865 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1866 buf->printf("(%s+%si)", buf1, buf2); | |
| 1867 #else | |
| 1868 buf->writeByte('('); | |
| 1869 floatToBuffer(buf, type, creall(value)); | |
| 1870 buf->writeByte('+'); | |
| 1871 floatToBuffer(buf, type, cimagl(value)); | |
| 1872 buf->writestring("i)"); | |
| 1873 #endif | |
| 1874 } | |
| 1875 | |
| 1876 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1877 { | |
| 1878 buf->writeByte('c'); | |
| 1879 real_t r = toReal(); | |
| 1880 realToMangleBuffer(buf, r); | |
| 1881 buf->writeByte('c'); // separate the two | |
| 1882 r = toImaginary(); | |
| 1883 realToMangleBuffer(buf, r); | |
| 1884 } | |
| 1885 | |
| 1886 /******************************** IdentifierExp **************************/ | |
| 1887 | |
| 1888 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1889 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1890 { | |
| 1891 this->ident = ident; | |
| 1892 } | |
| 1893 | |
| 1894 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1895 { | |
| 1896 Dsymbol *s; | |
| 1897 Dsymbol *scopesym; | |
| 1898 | |
| 1899 #if LOGSEMANTIC | |
| 1900 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1901 #endif | |
| 1902 s = sc->search(loc, ident, &scopesym); | |
| 1903 if (s) | |
| 1904 { Expression *e; | |
| 1905 WithScopeSymbol *withsym; | |
| 1906 | |
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1907 /* See if the symbol was a member of an enclosing 'with' |
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1908 */ |
| 159 | 1909 withsym = scopesym->isWithScopeSymbol(); |
| 1910 if (withsym) | |
| 1911 { | |
| 1912 s = s->toAlias(); | |
| 1913 | |
| 1914 // Same as wthis.ident | |
| 1915 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1916 { | |
| 1917 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1918 e = new DotIdExp(loc, e, ident); | |
| 1919 } | |
| 1920 else | |
| 1921 { Type *t = withsym->withstate->wthis->type; | |
| 1922 if (t->ty == Tpointer) | |
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1923 t = ((TypePointer *)t)->next; |
| 159 | 1924 e = new TypeDotIdExp(loc, t, ident); |
| 1925 } | |
| 1926 } | |
| 1927 else | |
| 1928 { | |
| 1929 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1930 { // Kludge to run semantic() here because | |
| 1931 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1932 s->semantic(sc); | |
| 1933 } | |
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1934 /* If f is really a function template, |
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1935 * then replace f with the function template declaration. |
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1936 */ |
| 159 | 1937 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1938 if (f && f->parent) | |
| 1939 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1940 | |
| 1941 if (ti && | |
| 1942 !ti->isTemplateMixin() && | |
| 1943 (ti->name == f->ident || | |
| 1944 ti->toAlias()->ident == f->ident) | |
| 1945 && | |
| 1946 ti->tempdecl && ti->tempdecl->onemember) | |
| 1947 { | |
| 1948 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1949 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1950 tempdecl = tempdecl->overroot; // then get the start | |
| 1951 e = new TemplateExp(loc, tempdecl); | |
| 1952 e = e->semantic(sc); | |
| 1953 return e; | |
| 1954 } | |
| 1955 } | |
| 1956 e = new DsymbolExp(loc, s); | |
| 1957 } | |
| 1958 return e->semantic(sc); | |
| 1959 } | |
| 1960 error("undefined identifier %s", ident->toChars()); | |
| 1961 type = Type::terror; | |
| 1962 return this; | |
| 1963 } | |
| 1964 | |
| 1965 char *IdentifierExp::toChars() | |
| 1966 { | |
| 1967 return ident->toChars(); | |
| 1968 } | |
| 1969 | |
| 1970 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1971 { | |
| 1972 if (hgs->hdrgen) | |
| 1973 buf->writestring(ident->toHChars2()); | |
| 1974 else | |
| 1975 buf->writestring(ident->toChars()); | |
| 1976 } | |
| 1977 | |
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1978 #if DMDV2 |
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1979 int IdentifierExp::isLvalue() |
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1980 { |
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1981 return 1; |
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1982 } |
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1983 #endif |
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1984 |
| 159 | 1985 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 1986 { | |
| 1987 #if 0 | |
| 1988 tym = tybasic(e1->ET->Tty); | |
| 1989 if (!(tyscalar(tym) || | |
| 1990 tym == TYstruct || | |
| 1991 tym == TYarray && e->Eoper == TOKaddr)) | |
| 1992 synerr(EM_lvalue); // lvalue expected | |
| 1993 #endif | |
| 1994 return this; | |
| 1995 } | |
| 1996 | |
| 1997 /******************************** DollarExp **************************/ | |
| 1998 | |
| 1999 DollarExp::DollarExp(Loc loc) | |
| 2000 : IdentifierExp(loc, Id::dollar) | |
| 2001 { | |
| 2002 } | |
| 2003 | |
| 2004 /******************************** DsymbolExp **************************/ | |
| 2005 | |
| 2006 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2007 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2008 { | |
| 2009 this->s = s; | |
| 2010 } | |
| 2011 | |
| 2012 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2013 { | |
| 2014 #if LOGSEMANTIC | |
| 2015 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2016 #endif | |
| 2017 | |
| 2018 Lagain: | |
| 2019 EnumMember *em; | |
| 2020 Expression *e; | |
| 2021 VarDeclaration *v; | |
| 2022 FuncDeclaration *f; | |
| 2023 FuncLiteralDeclaration *fld; | |
| 2024 Declaration *d; | |
| 2025 ClassDeclaration *cd; | |
| 2026 ClassDeclaration *thiscd = NULL; | |
| 2027 Import *imp; | |
| 2028 Package *pkg; | |
| 2029 Type *t; | |
| 2030 | |
| 2031 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2032 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2033 if (type) | |
| 2034 return this; | |
| 2035 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2036 checkDeprecated(sc, s); | |
| 2037 s = s->toAlias(); | |
| 2038 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2039 if (!s->isFuncDeclaration()) | |
| 2040 checkDeprecated(sc, s); | |
| 2041 | |
| 2042 if (sc->func) | |
| 2043 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2044 | |
| 2045 // BUG: This should happen after overload resolution for functions, not before | |
| 2046 if (s->needThis()) | |
| 2047 { | |
|
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2048 if (hasThis(sc) |
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2049 #if DMDV2 |
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2050 && !s->isFuncDeclaration() |
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2051 #endif |
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2052 ) |
| 159 | 2053 { |
| 2054 // Supply an implicit 'this', as in | |
| 2055 // this.ident | |
| 2056 | |
| 2057 DotVarExp *de; | |
| 2058 | |
| 2059 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2060 return de->semantic(sc); | |
| 2061 } | |
| 2062 } | |
| 2063 | |
| 2064 em = s->isEnumMember(); | |
| 2065 if (em) | |
| 2066 { | |
| 2067 e = em->value->copy(); | |
| 2068 e = e->semantic(sc); | |
| 2069 return e; | |
| 2070 } | |
| 2071 v = s->isVarDeclaration(); | |
| 2072 if (v) | |
| 2073 { | |
| 2074 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2075 if (!type) | |
| 2076 { type = v->type; | |
| 2077 if (!v->type) | |
| 2078 { error("forward reference of %s", v->toChars()); | |
| 2079 type = Type::terror; | |
| 2080 } | |
| 2081 } | |
| 2082 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2083 { | |
| 2084 if (v->init) | |
| 2085 { | |
| 2086 if (v->inuse) | |
| 2087 { | |
| 2088 error("circular reference to '%s'", v->toChars()); | |
| 2089 type = Type::tint32; | |
| 2090 return this; | |
| 2091 } | |
| 2092 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2093 if (ei) | |
| 2094 { | |
| 2095 e = ei->exp->copy(); // make copy so we can change loc | |
| 2096 if (e->op == TOKstring || !e->type) | |
| 2097 e = e->semantic(sc); | |
| 2098 e = e->implicitCastTo(sc, type); | |
| 2099 e->loc = loc; | |
| 2100 return e; | |
| 2101 } | |
| 2102 } | |
| 2103 else | |
| 2104 { | |
| 2105 e = type->defaultInit(); | |
| 2106 e->loc = loc; | |
| 2107 return e; | |
| 2108 } | |
| 2109 } | |
| 2110 e = new VarExp(loc, v); | |
| 2111 e->type = type; | |
| 2112 e = e->semantic(sc); | |
| 2113 return e->deref(); | |
| 2114 } | |
| 2115 fld = s->isFuncLiteralDeclaration(); | |
| 2116 if (fld) | |
| 2117 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2118 e = new FuncExp(loc, fld); | |
| 2119 return e->semantic(sc); | |
| 2120 } | |
| 2121 f = s->isFuncDeclaration(); | |
| 2122 if (f) | |
| 2123 { //printf("'%s' is a function\n", f->toChars()); | |
| 2124 return new VarExp(loc, f); | |
| 2125 } | |
| 2126 cd = s->isClassDeclaration(); | |
| 2127 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2128 { | |
| 2129 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2130 DotTypeExp *dte; | |
| 2131 | |
| 2132 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2133 return dte->semantic(sc); | |
| 2134 } | |
| 2135 imp = s->isImport(); | |
| 2136 if (imp) | |
| 2137 { | |
| 2138 ScopeExp *ie; | |
| 2139 | |
| 2140 ie = new ScopeExp(loc, imp->pkg); | |
| 2141 return ie->semantic(sc); | |
| 2142 } | |
| 2143 pkg = s->isPackage(); | |
| 2144 if (pkg) | |
| 2145 { | |
| 2146 ScopeExp *ie; | |
| 2147 | |
| 2148 ie = new ScopeExp(loc, pkg); | |
| 2149 return ie->semantic(sc); | |
| 2150 } | |
| 2151 Module *mod = s->isModule(); | |
| 2152 if (mod) | |
| 2153 { | |
| 2154 ScopeExp *ie; | |
| 2155 | |
| 2156 ie = new ScopeExp(loc, mod); | |
| 2157 return ie->semantic(sc); | |
| 2158 } | |
| 2159 | |
| 2160 t = s->getType(); | |
| 2161 if (t) | |
| 2162 { | |
| 2163 return new TypeExp(loc, t); | |
| 2164 } | |
| 2165 | |
| 2166 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2167 if (tup) | |
| 2168 { | |
| 2169 e = new TupleExp(loc, tup); | |
| 2170 e = e->semantic(sc); | |
| 2171 return e; | |
| 2172 } | |
| 2173 | |
| 2174 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2175 if (ti && !global.errors) | |
| 2176 { if (!ti->semanticdone) | |
| 2177 ti->semantic(sc); | |
| 2178 s = ti->inst->toAlias(); | |
| 2179 if (!s->isTemplateInstance()) | |
| 2180 goto Lagain; | |
| 2181 e = new ScopeExp(loc, ti); | |
| 2182 e = e->semantic(sc); | |
| 2183 return e; | |
| 2184 } | |
| 2185 | |
| 2186 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2187 if (td) | |
| 2188 { | |
| 2189 e = new TemplateExp(loc, td); | |
| 2190 e = e->semantic(sc); | |
| 2191 return e; | |
| 2192 } | |
| 2193 | |
| 2194 Lerr: | |
| 2195 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2196 type = Type::terror; | |
| 2197 return this; | |
| 2198 } | |
| 2199 | |
| 2200 char *DsymbolExp::toChars() | |
| 2201 { | |
| 2202 return s->toChars(); | |
| 2203 } | |
| 2204 | |
| 2205 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2206 { | |
| 2207 buf->writestring(s->toChars()); | |
| 2208 } | |
| 2209 | |
|
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2210 #if DMDV2 |
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2211 int DsymbolExp::isLvalue() |
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2212 { |
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2213 return 1; |
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2214 } |
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2215 #endif |
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2216 |
| 159 | 2217 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2218 { | |
| 2219 #if 0 | |
| 2220 tym = tybasic(e1->ET->Tty); | |
| 2221 if (!(tyscalar(tym) || | |
| 2222 tym == TYstruct || | |
| 2223 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2224 synerr(EM_lvalue); // lvalue expected | |
| 2225 #endif | |
| 2226 return this; | |
| 2227 } | |
| 2228 | |
| 2229 /******************************** ThisExp **************************/ | |
| 2230 | |
| 2231 ThisExp::ThisExp(Loc loc) | |
| 2232 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2233 { | |
| 2234 var = NULL; | |
| 2235 } | |
| 2236 | |
| 2237 Expression *ThisExp::semantic(Scope *sc) | |
| 2238 { FuncDeclaration *fd; | |
| 2239 FuncDeclaration *fdthis; | |
| 2240 int nested = 0; | |
| 2241 | |
| 2242 #if LOGSEMANTIC | |
| 2243 printf("ThisExp::semantic()\n"); | |
| 2244 #endif | |
| 2245 if (type) | |
| 2246 { //assert(global.errors || var); | |
| 2247 return this; | |
| 2248 } | |
| 2249 | |
| 2250 /* Special case for typeof(this) and typeof(super) since both | |
| 2251 * should work even if they are not inside a non-static member function | |
| 2252 */ | |
| 2253 if (sc->intypeof) | |
| 2254 { | |
| 2255 // Find enclosing struct or class | |
| 2256 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2257 { | |
| 2258 ClassDeclaration *cd; | |
| 2259 StructDeclaration *sd; | |
| 2260 | |
| 2261 if (!s) | |
| 2262 { | |
| 2263 error("%s is not in a struct or class scope", toChars()); | |
| 2264 goto Lerr; | |
| 2265 } | |
| 2266 cd = s->isClassDeclaration(); | |
| 2267 if (cd) | |
| 2268 { | |
| 2269 type = cd->type; | |
| 2270 return this; | |
| 2271 } | |
| 2272 sd = s->isStructDeclaration(); | |
| 2273 if (sd) | |
| 2274 { | |
| 2275 type = sd->type->pointerTo(); | |
| 2276 return this; | |
| 2277 } | |
| 2278 } | |
| 2279 } | |
| 2280 | |
| 2281 fdthis = sc->parent->isFuncDeclaration(); | |
| 2282 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2283 if (!fd) | |
| 2284 goto Lerr; | |
| 2285 | |
| 2286 assert(fd->vthis); | |
| 2287 var = fd->vthis; | |
| 2288 assert(var->parent); | |
| 2289 type = var->type; | |
| 2290 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2291 #if 0 | |
| 2292 if (fd != fdthis) // if nested | |
| 2293 { | |
| 2294 fdthis->getLevel(loc, fd); | |
| 2295 fd->vthis->nestedref = 1; | |
| 2296 fd->nestedFrameRef = 1; | |
| 2297 } | |
| 2298 #endif | |
| 336 | 2299 if (!sc->intypeof) |
| 2300 sc->callSuper |= CSXthis; | |
| 159 | 2301 return this; |
| 2302 | |
| 2303 Lerr: | |
|
510
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486
diff
changeset
|
2304 error("'this' is only defined in non-static member functions, not %s", sc->parent->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2305 type = Type::terror; |
| 159 | 2306 return this; |
| 2307 } | |
| 2308 | |
| 2309 int ThisExp::isBool(int result) | |
| 2310 { | |
| 2311 return result ? TRUE : FALSE; | |
| 2312 } | |
| 2313 | |
| 2314 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2315 { | |
| 2316 buf->writestring("this"); | |
| 2317 } | |
| 2318 | |
|
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diff
changeset
|
2319 #if DMDV2 |
|
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diff
changeset
|
2320 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2321 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2322 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2323 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2324 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2325 |
| 159 | 2326 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2327 { | |
| 2328 return this; | |
| 2329 } | |
| 2330 | |
| 2331 /******************************** SuperExp **************************/ | |
| 2332 | |
| 2333 SuperExp::SuperExp(Loc loc) | |
| 2334 : ThisExp(loc) | |
| 2335 { | |
| 2336 op = TOKsuper; | |
| 2337 } | |
| 2338 | |
| 2339 Expression *SuperExp::semantic(Scope *sc) | |
| 2340 { FuncDeclaration *fd; | |
| 2341 FuncDeclaration *fdthis; | |
| 2342 ClassDeclaration *cd; | |
| 2343 Dsymbol *s; | |
| 2344 | |
| 2345 #if LOGSEMANTIC | |
| 2346 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2347 #endif | |
| 2348 if (type) | |
| 2349 return this; | |
| 2350 | |
| 2351 /* Special case for typeof(this) and typeof(super) since both | |
| 2352 * should work even if they are not inside a non-static member function | |
| 2353 */ | |
| 2354 if (sc->intypeof) | |
| 2355 { | |
| 2356 // Find enclosing class | |
| 2357 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2358 { | |
| 2359 ClassDeclaration *cd; | |
| 2360 | |
| 2361 if (!s) | |
| 2362 { | |
| 2363 error("%s is not in a class scope", toChars()); | |
| 2364 goto Lerr; | |
| 2365 } | |
| 2366 cd = s->isClassDeclaration(); | |
| 2367 if (cd) | |
| 2368 { | |
| 2369 cd = cd->baseClass; | |
| 2370 if (!cd) | |
| 2371 { error("class %s has no 'super'", s->toChars()); | |
| 2372 goto Lerr; | |
| 2373 } | |
| 2374 type = cd->type; | |
| 2375 return this; | |
| 2376 } | |
| 2377 } | |
| 2378 } | |
| 2379 | |
| 2380 fdthis = sc->parent->isFuncDeclaration(); | |
| 2381 fd = hasThis(sc); | |
| 2382 if (!fd) | |
| 2383 goto Lerr; | |
| 2384 assert(fd->vthis); | |
| 2385 var = fd->vthis; | |
| 2386 assert(var->parent); | |
| 2387 | |
| 2388 s = fd->toParent(); | |
| 2389 while (s && s->isTemplateInstance()) | |
| 2390 s = s->toParent(); | |
| 2391 assert(s); | |
| 2392 cd = s->isClassDeclaration(); | |
| 2393 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2394 if (!cd) | |
| 2395 goto Lerr; | |
| 2396 if (!cd->baseClass) | |
| 2397 { | |
| 2398 error("no base class for %s", cd->toChars()); | |
| 2399 type = fd->vthis->type; | |
| 2400 } | |
| 2401 else | |
| 2402 { | |
| 2403 type = cd->baseClass->type; | |
| 2404 } | |
| 2405 | |
| 2406 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2407 #if 0 | |
| 2408 if (fd != fdthis) | |
| 2409 { | |
| 2410 fdthis->getLevel(loc, fd); | |
| 2411 fd->vthis->nestedref = 1; | |
| 2412 fd->nestedFrameRef = 1; | |
| 2413 } | |
| 2414 #endif | |
| 2415 | |
| 336 | 2416 if (!sc->intypeof) |
| 2417 sc->callSuper |= CSXsuper; | |
| 159 | 2418 return this; |
| 2419 | |
| 2420 | |
| 2421 Lerr: | |
| 2422 error("'super' is only allowed in non-static class member functions"); | |
| 2423 type = Type::tint32; | |
| 2424 return this; | |
| 2425 } | |
| 2426 | |
| 2427 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2428 { | |
| 2429 buf->writestring("super"); | |
| 2430 } | |
| 2431 | |
| 2432 | |
| 2433 /******************************** NullExp **************************/ | |
| 2434 | |
| 2435 NullExp::NullExp(Loc loc) | |
| 2436 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2437 { | |
| 2438 committed = 0; | |
| 2439 } | |
| 2440 | |
| 2441 Expression *NullExp::semantic(Scope *sc) | |
| 2442 { | |
| 2443 #if LOGSEMANTIC | |
| 2444 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2445 #endif | |
| 2446 // NULL is the same as (void *)0 | |
| 2447 if (!type) | |
| 2448 type = Type::tvoid->pointerTo(); | |
| 2449 return this; | |
| 2450 } | |
| 2451 | |
| 2452 int NullExp::isBool(int result) | |
| 2453 { | |
| 2454 return result ? FALSE : TRUE; | |
| 2455 } | |
| 2456 | |
| 2457 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2458 { | |
| 2459 buf->writestring("null"); | |
| 2460 } | |
| 2461 | |
| 2462 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2463 { | |
| 2464 buf->writeByte('n'); | |
| 2465 } | |
| 2466 | |
| 2467 /******************************** StringExp **************************/ | |
| 2468 | |
| 2469 StringExp::StringExp(Loc loc, char *string) | |
| 2470 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2471 { | |
| 2472 this->string = string; | |
| 2473 this->len = strlen(string); | |
| 2474 this->sz = 1; | |
| 2475 this->committed = 0; | |
| 2476 this->postfix = 0; | |
| 2477 } | |
| 2478 | |
| 2479 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2480 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2481 { | |
| 2482 this->string = string; | |
| 2483 this->len = len; | |
| 2484 this->sz = 1; | |
| 2485 this->committed = 0; | |
| 2486 this->postfix = 0; | |
| 2487 } | |
| 2488 | |
| 2489 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2490 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2491 { | |
| 2492 this->string = string; | |
| 2493 this->len = len; | |
| 2494 this->sz = 1; | |
| 2495 this->committed = 0; | |
| 2496 this->postfix = postfix; | |
| 2497 } | |
| 2498 | |
| 2499 #if 0 | |
| 2500 Expression *StringExp::syntaxCopy() | |
| 2501 { | |
| 2502 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2503 return copy(); | |
| 2504 } | |
| 2505 #endif | |
| 2506 | |
| 2507 int StringExp::equals(Object *o) | |
| 2508 { | |
| 2509 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2510 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2511 { Expression *e = (Expression *)o; | |
| 2512 | |
| 2513 if (e->op == TOKstring) | |
| 2514 { | |
| 2515 return compare(o) == 0; | |
| 2516 } | |
| 2517 } | |
| 2518 return FALSE; | |
| 2519 } | |
| 2520 | |
| 2521 char *StringExp::toChars() | |
| 2522 { | |
| 2523 OutBuffer buf; | |
| 2524 HdrGenState hgs; | |
| 2525 char *p; | |
| 2526 | |
| 2527 memset(&hgs, 0, sizeof(hgs)); | |
| 2528 toCBuffer(&buf, &hgs); | |
| 2529 buf.writeByte(0); | |
| 2530 p = (char *)buf.data; | |
| 2531 buf.data = NULL; | |
| 2532 return p; | |
| 2533 } | |
| 2534 | |
| 2535 Expression *StringExp::semantic(Scope *sc) | |
| 2536 { | |
| 2537 #if LOGSEMANTIC | |
| 2538 printf("StringExp::semantic() %s\n", toChars()); | |
| 2539 #endif | |
| 2540 if (!type) | |
| 2541 { OutBuffer buffer; | |
| 2542 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2543 const char *p; |
| 159 | 2544 size_t u; |
| 2545 unsigned c; | |
| 2546 | |
| 2547 switch (postfix) | |
| 2548 { | |
| 2549 case 'd': | |
| 2550 for (u = 0; u < len;) | |
| 2551 { | |
| 2552 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2553 if (p) | |
| 2554 { error("%s", p); | |
| 2555 break; | |
| 2556 } | |
| 2557 else | |
| 2558 { buffer.write4(c); | |
| 2559 newlen++; | |
| 2560 } | |
| 2561 } | |
| 2562 buffer.write4(0); | |
| 2563 string = buffer.extractData(); | |
| 2564 len = newlen; | |
| 2565 sz = 4; | |
| 2566 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2567 committed = 1; | |
| 2568 break; | |
| 2569 | |
| 2570 case 'w': | |
| 2571 for (u = 0; u < len;) | |
| 2572 { | |
| 2573 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2574 if (p) | |
| 2575 { error("%s", p); | |
| 2576 break; | |
| 2577 } | |
| 2578 else | |
| 2579 { buffer.writeUTF16(c); | |
| 2580 newlen++; | |
| 2581 if (c >= 0x10000) | |
| 2582 newlen++; | |
| 2583 } | |
| 2584 } | |
| 2585 buffer.writeUTF16(0); | |
| 2586 string = buffer.extractData(); | |
| 2587 len = newlen; | |
| 2588 sz = 2; | |
| 2589 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2590 committed = 1; | |
| 2591 break; | |
| 2592 | |
| 2593 case 'c': | |
| 2594 committed = 1; | |
| 2595 default: | |
| 2596 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2597 break; | |
| 2598 } | |
| 2599 type = type->semantic(loc, sc); | |
| 2600 } | |
| 2601 return this; | |
| 2602 } | |
| 2603 | |
| 2604 /**************************************** | |
| 2605 * Convert string to char[]. | |
| 2606 */ | |
| 2607 | |
| 2608 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2609 { | |
| 2610 if (sz != 1) | |
| 2611 { // Convert to UTF-8 string | |
| 2612 committed = 0; | |
| 2613 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2614 e = e->optimize(WANTvalue); | |
| 2615 assert(e->op == TOKstring); | |
| 2616 StringExp *se = (StringExp *)e; | |
| 2617 assert(se->sz == 1); | |
| 2618 return se; | |
| 2619 } | |
| 2620 return this; | |
| 2621 } | |
| 2622 | |
| 2623 int StringExp::compare(Object *obj) | |
| 2624 { | |
| 2625 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2626 StringExp *se2 = (StringExp *)(obj); | |
| 2627 | |
| 2628 // This is a kludge so isExpression() in template.c will return 5 | |
| 2629 // for StringExp's. | |
| 2630 if (!se2) | |
| 2631 return 5; | |
| 2632 | |
| 2633 assert(se2->op == TOKstring); | |
| 2634 | |
| 2635 int len1 = len; | |
| 2636 int len2 = se2->len; | |
| 2637 | |
| 2638 if (len1 == len2) | |
| 2639 { | |
| 2640 switch (sz) | |
| 2641 { | |
| 2642 case 1: | |
| 2643 return strcmp((char *)string, (char *)se2->string); | |
| 2644 | |
| 2645 case 2: | |
| 2646 { unsigned u; | |
| 2647 d_wchar *s1 = (d_wchar *)string; | |
| 2648 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2649 | |
| 2650 for (u = 0; u < len; u++) | |
| 2651 { | |
| 2652 if (s1[u] != s2[u]) | |
| 2653 return s1[u] - s2[u]; | |
| 2654 } | |
| 2655 } | |
| 2656 | |
| 2657 case 4: | |
| 2658 { unsigned u; | |
| 2659 d_dchar *s1 = (d_dchar *)string; | |
| 2660 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2661 | |
| 2662 for (u = 0; u < len; u++) | |
| 2663 { | |
| 2664 if (s1[u] != s2[u]) | |
| 2665 return s1[u] - s2[u]; | |
| 2666 } | |
| 2667 } | |
| 2668 break; | |
| 2669 | |
| 2670 default: | |
| 2671 assert(0); | |
| 2672 } | |
| 2673 } | |
| 2674 return len1 - len2; | |
| 2675 } | |
| 2676 | |
| 2677 int StringExp::isBool(int result) | |
| 2678 { | |
| 2679 return result ? TRUE : FALSE; | |
| 2680 } | |
| 2681 | |
| 2682 unsigned StringExp::charAt(size_t i) | |
| 2683 { unsigned value; | |
| 2684 | |
| 2685 switch (sz) | |
| 2686 { | |
| 2687 case 1: | |
| 2688 value = ((unsigned char *)string)[i]; | |
| 2689 break; | |
| 2690 | |
| 2691 case 2: | |
| 2692 value = ((unsigned short *)string)[i]; | |
| 2693 break; | |
| 2694 | |
| 2695 case 4: | |
| 2696 value = ((unsigned int *)string)[i]; | |
| 2697 break; | |
| 2698 | |
| 2699 default: | |
| 2700 assert(0); | |
| 2701 break; | |
| 2702 } | |
| 2703 return value; | |
| 2704 } | |
| 2705 | |
| 2706 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2707 { | |
| 2708 buf->writeByte('"'); | |
| 2709 for (size_t i = 0; i < len; i++) | |
| 2710 { unsigned c = charAt(i); | |
| 2711 | |
| 2712 switch (c) | |
| 2713 { | |
| 2714 case '"': | |
| 2715 case '\\': | |
| 2716 if (!hgs->console) | |
| 2717 buf->writeByte('\\'); | |
| 2718 default: | |
| 2719 if (c <= 0xFF) | |
| 2720 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2721 buf->writeByte(c); | |
| 2722 else | |
| 2723 buf->printf("\\x%02x", c); | |
| 2724 } | |
| 2725 else if (c <= 0xFFFF) | |
| 2726 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2727 else | |
| 2728 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2729 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2730 break; | |
| 2731 } | |
| 2732 } | |
| 2733 buf->writeByte('"'); | |
| 2734 if (postfix) | |
| 2735 buf->writeByte(postfix); | |
| 2736 } | |
| 2737 | |
| 2738 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2739 { char m; | |
| 2740 OutBuffer tmp; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2741 const char *p; |
| 159 | 2742 unsigned c; |
| 2743 size_t u; | |
| 2744 unsigned char *q; | |
| 2745 unsigned qlen; | |
| 2746 | |
| 2747 /* Write string in UTF-8 format | |
| 2748 */ | |
| 2749 switch (sz) | |
| 2750 { case 1: | |
| 2751 m = 'a'; | |
| 2752 q = (unsigned char *)string; | |
| 2753 qlen = len; | |
| 2754 break; | |
| 2755 case 2: | |
| 2756 m = 'w'; | |
| 2757 for (u = 0; u < len; ) | |
| 2758 { | |
| 2759 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2760 if (p) | |
| 2761 error("%s", p); | |
| 2762 else | |
| 2763 tmp.writeUTF8(c); | |
| 2764 } | |
| 2765 q = tmp.data; | |
| 2766 qlen = tmp.offset; | |
| 2767 break; | |
| 2768 case 4: | |
| 2769 m = 'd'; | |
| 2770 for (u = 0; u < len; u++) | |
| 2771 { | |
| 2772 c = ((unsigned *)string)[u]; | |
| 2773 if (!utf_isValidDchar(c)) | |
| 2774 error("invalid UCS-32 char \\U%08x", c); | |
| 2775 else | |
| 2776 tmp.writeUTF8(c); | |
| 2777 } | |
| 2778 q = tmp.data; | |
| 2779 qlen = tmp.offset; | |
| 2780 break; | |
| 2781 default: | |
| 2782 assert(0); | |
| 2783 } | |
| 2784 buf->writeByte(m); | |
| 2785 buf->printf("%d_", qlen); | |
| 2786 for (size_t i = 0; i < qlen; i++) | |
| 2787 buf->printf("%02x", q[i]); | |
| 2788 } | |
| 2789 | |
| 2790 /************************ ArrayLiteralExp ************************************/ | |
| 2791 | |
| 2792 // [ e1, e2, e3, ... ] | |
| 2793 | |
| 2794 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2795 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2796 { | |
| 2797 this->elements = elements; | |
| 2798 } | |
| 2799 | |
| 2800 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2801 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2802 { | |
| 2803 elements = new Expressions; | |
| 2804 elements->push(e); | |
| 2805 } | |
| 2806 | |
| 2807 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2808 { | |
| 2809 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2810 } | |
| 2811 | |
| 2812 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2813 { Expression *e; | |
| 2814 Type *t0 = NULL; | |
| 2815 | |
| 2816 #if LOGSEMANTIC | |
| 2817 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2818 #endif | |
| 2819 if (type) | |
| 2820 return this; | |
| 2821 | |
| 2822 // Run semantic() on each element | |
| 2823 for (int i = 0; i < elements->dim; i++) | |
| 2824 { e = (Expression *)elements->data[i]; | |
| 2825 e = e->semantic(sc); | |
| 2826 elements->data[i] = (void *)e; | |
| 2827 } | |
| 2828 expandTuples(elements); | |
| 2829 for (int i = 0; i < elements->dim; i++) | |
| 2830 { e = (Expression *)elements->data[i]; | |
| 2831 | |
| 2832 if (!e->type) | |
| 2833 error("%s has no value", e->toChars()); | |
| 2834 e = resolveProperties(sc, e); | |
| 2835 | |
| 2836 unsigned char committed = 1; | |
| 2837 if (e->op == TOKstring) | |
| 2838 committed = ((StringExp *)e)->committed; | |
| 2839 | |
| 2840 if (!t0) | |
| 2841 { t0 = e->type; | |
| 2842 // Convert any static arrays to dynamic arrays | |
| 2843 if (t0->ty == Tsarray) | |
| 2844 { | |
|
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2845 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2846 e = e->implicitCastTo(sc, t0); |
| 2847 } | |
| 2848 } | |
| 2849 else | |
| 2850 e = e->implicitCastTo(sc, t0); | |
| 2851 if (!committed && e->op == TOKstring) | |
| 2852 { StringExp *se = (StringExp *)e; | |
| 2853 se->committed = 0; | |
| 2854 } | |
| 2855 elements->data[i] = (void *)e; | |
| 2856 } | |
| 2857 | |
| 2858 if (!t0) | |
| 2859 t0 = Type::tvoid; | |
| 2860 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2861 type = type->semantic(loc, sc); | |
| 2862 return this; | |
| 2863 } | |
| 2864 | |
| 2865 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2866 { int f = 0; | |
| 2867 | |
| 2868 for (size_t i = 0; i < elements->dim; i++) | |
| 2869 { Expression *e = (Expression *)elements->data[i]; | |
| 2870 | |
| 2871 f |= e->checkSideEffect(2); | |
| 2872 } | |
| 2873 if (flag == 0 && f == 0) | |
| 2874 Expression::checkSideEffect(0); | |
| 2875 return f; | |
| 2876 } | |
| 2877 | |
| 2878 int ArrayLiteralExp::isBool(int result) | |
| 2879 { | |
| 2880 size_t dim = elements ? elements->dim : 0; | |
| 2881 return result ? (dim != 0) : (dim == 0); | |
| 2882 } | |
| 2883 | |
|
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2884 #if DMDV2 |
|
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2885 int ArrayLiteralExp::canThrow() |
|
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2886 { |
|
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|
2887 return 1; // because it can fail allocating memory |
|
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|
2888 } |
|
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|
2889 #endif |
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|
2890 |
| 159 | 2891 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2892 { | |
| 2893 buf->writeByte('['); | |
| 2894 argsToCBuffer(buf, elements, hgs); | |
| 2895 buf->writeByte(']'); | |
| 2896 } | |
| 2897 | |
| 2898 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2899 { | |
| 2900 size_t dim = elements ? elements->dim : 0; | |
| 2901 buf->printf("A%u", dim); | |
| 2902 for (size_t i = 0; i < dim; i++) | |
| 2903 { Expression *e = (Expression *)elements->data[i]; | |
| 2904 e->toMangleBuffer(buf); | |
| 2905 } | |
| 2906 } | |
| 2907 | |
| 2908 /************************ AssocArrayLiteralExp ************************************/ | |
| 2909 | |
| 2910 // [ key0 : value0, key1 : value1, ... ] | |
| 2911 | |
| 2912 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2913 Expressions *keys, Expressions *values) | |
| 2914 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2915 { | |
| 2916 assert(keys->dim == values->dim); | |
| 2917 this->keys = keys; | |
| 2918 this->values = values; | |
| 2919 } | |
| 2920 | |
| 2921 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2922 { | |
| 2923 return new AssocArrayLiteralExp(loc, | |
| 2924 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2925 } | |
| 2926 | |
| 2927 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2928 { Expression *e; | |
| 2929 Type *tkey = NULL; | |
| 2930 Type *tvalue = NULL; | |
| 2931 | |
| 2932 #if LOGSEMANTIC | |
| 2933 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2934 #endif | |
| 2935 | |
| 2936 // Run semantic() on each element | |
| 2937 for (size_t i = 0; i < keys->dim; i++) | |
| 2938 { Expression *key = (Expression *)keys->data[i]; | |
| 2939 Expression *value = (Expression *)values->data[i]; | |
| 2940 | |
| 2941 key = key->semantic(sc); | |
| 2942 value = value->semantic(sc); | |
| 2943 | |
| 2944 keys->data[i] = (void *)key; | |
| 2945 values->data[i] = (void *)value; | |
| 2946 } | |
| 2947 expandTuples(keys); | |
| 2948 expandTuples(values); | |
| 2949 if (keys->dim != values->dim) | |
| 2950 { | |
| 2951 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2952 keys->setDim(0); | |
| 2953 values->setDim(0); | |
| 2954 } | |
| 2955 for (size_t i = 0; i < keys->dim; i++) | |
| 2956 { Expression *key = (Expression *)keys->data[i]; | |
| 2957 Expression *value = (Expression *)values->data[i]; | |
| 2958 | |
| 2959 if (!key->type) | |
| 2960 error("%s has no value", key->toChars()); | |
| 2961 if (!value->type) | |
| 2962 error("%s has no value", value->toChars()); | |
| 2963 key = resolveProperties(sc, key); | |
| 2964 value = resolveProperties(sc, value); | |
| 2965 | |
| 2966 if (!tkey) | |
| 2967 tkey = key->type; | |
| 2968 else | |
| 2969 key = key->implicitCastTo(sc, tkey); | |
| 2970 keys->data[i] = (void *)key; | |
| 2971 | |
| 2972 if (!tvalue) | |
| 2973 tvalue = value->type; | |
| 2974 else | |
| 2975 value = value->implicitCastTo(sc, tvalue); | |
| 2976 values->data[i] = (void *)value; | |
| 2977 } | |
| 2978 | |
| 2979 if (!tkey) | |
| 2980 tkey = Type::tvoid; | |
| 2981 if (!tvalue) | |
| 2982 tvalue = Type::tvoid; | |
| 2983 type = new TypeAArray(tvalue, tkey); | |
| 2984 type = type->semantic(loc, sc); | |
| 2985 return this; | |
| 2986 } | |
| 2987 | |
| 2988 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 2989 { int f = 0; | |
| 2990 | |
| 2991 for (size_t i = 0; i < keys->dim; i++) | |
| 2992 { Expression *key = (Expression *)keys->data[i]; | |
| 2993 Expression *value = (Expression *)values->data[i]; | |
| 2994 | |
| 2995 f |= key->checkSideEffect(2); | |
| 2996 f |= value->checkSideEffect(2); | |
| 2997 } | |
| 2998 if (flag == 0 && f == 0) | |
| 2999 Expression::checkSideEffect(0); | |
| 3000 return f; | |
| 3001 } | |
| 3002 | |
| 3003 int AssocArrayLiteralExp::isBool(int result) | |
| 3004 { | |
| 3005 size_t dim = keys->dim; | |
| 3006 return result ? (dim != 0) : (dim == 0); | |
| 3007 } | |
| 3008 | |
|
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3009 #if DMDV2 |
|
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|
3010 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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|
3011 { |
|
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parents:
846
diff
changeset
|
3012 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3013 } |
|
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parents:
846
diff
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|
3014 #endif |
|
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parents:
846
diff
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|
3015 |
| 159 | 3016 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3017 { | |
| 3018 buf->writeByte('['); | |
| 3019 for (size_t i = 0; i < keys->dim; i++) | |
| 3020 { Expression *key = (Expression *)keys->data[i]; | |
| 3021 Expression *value = (Expression *)values->data[i]; | |
| 3022 | |
| 3023 if (i) | |
| 3024 buf->writeByte(','); | |
| 3025 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3026 buf->writeByte(':'); | |
| 3027 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3028 } | |
| 3029 buf->writeByte(']'); | |
| 3030 } | |
| 3031 | |
| 3032 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3033 { | |
| 3034 size_t dim = keys->dim; | |
| 3035 buf->printf("A%u", dim); | |
| 3036 for (size_t i = 0; i < dim; i++) | |
| 3037 { Expression *key = (Expression *)keys->data[i]; | |
| 3038 Expression *value = (Expression *)values->data[i]; | |
| 3039 | |
| 3040 key->toMangleBuffer(buf); | |
| 3041 value->toMangleBuffer(buf); | |
| 3042 } | |
| 3043 } | |
| 3044 | |
| 3045 /************************ StructLiteralExp ************************************/ | |
| 3046 | |
| 3047 // sd( e1, e2, e3, ... ) | |
| 3048 | |
| 3049 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3050 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3051 { | |
| 3052 this->sd = sd; | |
| 3053 this->elements = elements; | |
| 3054 this->sym = NULL; | |
| 3055 this->soffset = 0; | |
| 3056 this->fillHoles = 1; | |
| 3057 } | |
| 3058 | |
| 3059 Expression *StructLiteralExp::syntaxCopy() | |
| 3060 { | |
| 3061 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3062 } | |
| 3063 | |
| 3064 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3065 { Expression *e; | |
| 3066 | |
| 3067 #if LOGSEMANTIC | |
| 3068 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3069 #endif | |
|
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|
3070 if (type) |
|
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diff
changeset
|
3071 return this; |
| 159 | 3072 |
| 3073 // Run semantic() on each element | |
| 3074 for (size_t i = 0; i < elements->dim; i++) | |
| 3075 { e = (Expression *)elements->data[i]; | |
| 3076 if (!e) | |
| 3077 continue; | |
| 3078 e = e->semantic(sc); | |
| 3079 elements->data[i] = (void *)e; | |
| 3080 } | |
| 3081 expandTuples(elements); | |
| 3082 size_t offset = 0; | |
| 3083 for (size_t i = 0; i < elements->dim; i++) | |
| 3084 { e = (Expression *)elements->data[i]; | |
| 3085 if (!e) | |
| 3086 continue; | |
| 3087 | |
| 3088 if (!e->type) | |
| 3089 error("%s has no value", e->toChars()); | |
| 3090 e = resolveProperties(sc, e); | |
| 3091 if (i >= sd->fields.dim) | |
| 3092 { error("more initializers than fields of %s", sd->toChars()); | |
| 3093 break; | |
| 3094 } | |
| 3095 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3096 VarDeclaration *v = s->isVarDeclaration(); | |
| 3097 assert(v); | |
| 3098 if (v->offset < offset) | |
| 3099 error("overlapping initialization for %s", v->toChars()); | |
| 3100 offset = v->offset + v->type->size(); | |
| 3101 | |
| 3102 Type *telem = v->type; | |
| 3103 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3104 { /* Static array initialization, as in: | |
| 3105 * T[3][5] = e; | |
| 3106 */ | |
| 3107 telem = telem->toBasetype()->nextOf(); | |
| 3108 } | |
| 3109 | |
| 3110 e = e->implicitCastTo(sc, telem); | |
| 3111 | |
| 3112 elements->data[i] = (void *)e; | |
| 3113 } | |
| 3114 | |
| 3115 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3116 */ | |
| 3117 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3118 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3119 VarDeclaration *v = s->isVarDeclaration(); | |
| 3120 assert(v); | |
| 3121 | |
| 3122 if (v->offset < offset) | |
| 3123 { e = NULL; | |
| 3124 sd->hasUnions = 1; | |
| 3125 } | |
| 3126 else | |
| 3127 { | |
| 3128 if (v->init) | |
| 3129 { e = v->init->toExpression(); | |
| 3130 if (!e) | |
| 3131 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3132 } | |
| 3133 else | |
| 3134 { e = v->type->defaultInit(); | |
| 3135 e->loc = loc; | |
| 3136 } | |
| 3137 offset = v->offset + v->type->size(); | |
| 3138 } | |
| 3139 elements->push(e); | |
| 3140 } | |
| 3141 | |
| 3142 type = sd->type; | |
| 3143 return this; | |
| 3144 } | |
| 3145 | |
| 3146 /************************************** | |
| 3147 * Gets expression at offset of type. | |
| 3148 * Returns NULL if not found. | |
| 3149 */ | |
| 3150 | |
| 3151 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
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|
3152 { |
|
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diff
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|
3153 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
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|
3154 // /*toChars()*/"", type->toChars(), offset); |
|
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diff
changeset
|
3155 Expression *e = NULL; |
| 159 | 3156 int i = getFieldIndex(type, offset); |
| 3157 | |
| 3158 if (i != -1) | |
|
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diff
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|
3159 { |
|
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diff
changeset
|
3160 //printf("\ti = %d\n", i); |
|
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|
3161 assert(i < elements->dim); |
|
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|
3162 e = (Expression *)elements->data[i]; |
| 159 | 3163 if (e) |
| 3164 { | |
| 3165 e = e->copy(); | |
| 3166 e->type = type; | |
| 3167 } | |
| 3168 } | |
| 3169 return e; | |
| 3170 } | |
| 3171 | |
| 3172 /************************************ | |
| 3173 * Get index of field. | |
| 3174 * Returns -1 if not found. | |
| 3175 */ | |
| 3176 | |
| 3177 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3178 { | |
| 3179 /* Find which field offset is by looking at the field offsets | |
| 3180 */ | |
| 3181 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3182 { | |
| 3183 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3184 VarDeclaration *v = s->isVarDeclaration(); | |
| 3185 assert(v); | |
| 3186 | |
| 3187 if (offset == v->offset && | |
| 3188 type->size() == v->type->size()) | |
| 3189 { Expression *e = (Expression *)elements->data[i]; | |
| 3190 if (e) | |
| 3191 { | |
| 3192 return i; | |
| 3193 } | |
| 3194 break; | |
| 3195 } | |
| 3196 } | |
| 3197 return -1; | |
| 3198 } | |
| 3199 | |
|
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|
3200 #if DMDV2 |
|
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|
3201 int StructLiteralExp::isLvalue() |
|
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|
3202 { |
|
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|
3203 return 1; |
|
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|
3204 } |
|
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|
3205 #endif |
| 159 | 3206 |
| 3207 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3208 { | |
| 3209 return this; | |
| 3210 } | |
| 3211 | |
| 3212 | |
| 3213 int StructLiteralExp::checkSideEffect(int flag) | |
| 3214 { int f = 0; | |
| 3215 | |
| 3216 for (size_t i = 0; i < elements->dim; i++) | |
| 3217 { Expression *e = (Expression *)elements->data[i]; | |
| 3218 if (!e) | |
| 3219 continue; | |
| 3220 | |
| 3221 f |= e->checkSideEffect(2); | |
| 3222 } | |
| 3223 if (flag == 0 && f == 0) | |
| 3224 Expression::checkSideEffect(0); | |
| 3225 return f; | |
| 3226 } | |
| 3227 | |
|
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|
3228 #if DMDV2 |
|
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|
3229 int StructLiteralExp::canThrow() |
|
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|
3230 { |
|
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|
3231 return arrayExpressionCanThrow(elements); |
|
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|
3232 } |
|
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|
3233 #endif |
|
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|
3234 |
| 159 | 3235 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3236 { | |
| 3237 buf->writestring(sd->toChars()); | |
| 3238 buf->writeByte('('); | |
| 3239 argsToCBuffer(buf, elements, hgs); | |
| 3240 buf->writeByte(')'); | |
| 3241 } | |
| 3242 | |
| 3243 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3244 { | |
| 3245 size_t dim = elements ? elements->dim : 0; | |
| 3246 buf->printf("S%u", dim); | |
| 3247 for (size_t i = 0; i < dim; i++) | |
| 3248 { Expression *e = (Expression *)elements->data[i]; | |
| 3249 if (e) | |
| 3250 e->toMangleBuffer(buf); | |
| 3251 else | |
| 3252 buf->writeByte('v'); // 'v' for void | |
| 3253 } | |
| 3254 } | |
| 3255 | |
| 3256 /************************ TypeDotIdExp ************************************/ | |
| 3257 | |
| 3258 /* Things like: | |
| 3259 * int.size | |
| 3260 * foo.size | |
| 3261 * (foo).size | |
| 3262 * cast(foo).size | |
| 3263 */ | |
| 3264 | |
| 3265 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3266 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3267 { | |
| 3268 this->type = type; | |
| 3269 this->ident = ident; | |
| 3270 } | |
| 3271 | |
| 3272 Expression *TypeDotIdExp::syntaxCopy() | |
| 3273 { | |
| 3274 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3275 return te; | |
| 3276 } | |
| 3277 | |
| 3278 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3279 { Expression *e; | |
| 3280 | |
| 3281 #if LOGSEMANTIC | |
| 3282 printf("TypeDotIdExp::semantic()\n"); | |
| 3283 #endif | |
| 3284 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3285 e = e->semantic(sc); | |
| 3286 return e; | |
| 3287 } | |
| 3288 | |
| 3289 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3290 { | |
| 3291 buf->writeByte('('); | |
| 3292 type->toCBuffer(buf, NULL, hgs); | |
| 3293 buf->writeByte(')'); | |
| 3294 buf->writeByte('.'); | |
| 3295 buf->writestring(ident->toChars()); | |
| 3296 } | |
| 3297 | |
| 3298 /************************************************************/ | |
| 3299 | |
| 3300 // Mainly just a placeholder | |
| 3301 | |
| 3302 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3303 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3304 { | |
| 3305 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3306 this->type = type; | |
| 3307 } | |
| 3308 | |
| 3309 Expression *TypeExp::semantic(Scope *sc) | |
| 3310 { | |
| 3311 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3312 type = type->semantic(loc, sc); | |
| 3313 return this; | |
| 3314 } | |
| 3315 | |
| 3316 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3317 { | |
| 3318 type->toCBuffer(buf, NULL, hgs); | |
| 3319 } | |
| 3320 | |
| 3321 /************************************************************/ | |
| 3322 | |
| 3323 // Mainly just a placeholder | |
| 3324 | |
| 3325 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3326 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3327 { | |
| 3328 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3329 //static int count; if (++count == 38) *(char*)0=0; | |
| 3330 this->sds = pkg; | |
| 3331 } | |
| 3332 | |
| 3333 Expression *ScopeExp::syntaxCopy() | |
| 3334 { | |
| 3335 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3336 return se; | |
| 3337 } | |
| 3338 | |
| 3339 Expression *ScopeExp::semantic(Scope *sc) | |
| 3340 { | |
| 3341 TemplateInstance *ti; | |
| 3342 ScopeDsymbol *sds2; | |
| 3343 | |
| 3344 #if LOGSEMANTIC | |
| 3345 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3346 #endif | |
| 3347 Lagain: | |
| 3348 ti = sds->isTemplateInstance(); | |
| 3349 if (ti && !global.errors) | |
| 3350 { Dsymbol *s; | |
| 3351 if (!ti->semanticdone) | |
| 3352 ti->semantic(sc); | |
| 3353 s = ti->inst->toAlias(); | |
| 3354 sds2 = s->isScopeDsymbol(); | |
| 3355 if (!sds2) | |
| 3356 { Expression *e; | |
| 3357 | |
| 3358 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3359 if (ti->withsym) | |
| 3360 { | |
| 3361 // Same as wthis.s | |
| 3362 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3363 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3364 } | |
| 3365 else | |
| 3366 e = new DsymbolExp(loc, s); | |
| 3367 e = e->semantic(sc); | |
| 3368 //printf("-1ScopeExp::semantic()\n"); | |
| 3369 return e; | |
| 3370 } | |
| 3371 if (sds2 != sds) | |
| 3372 { | |
| 3373 sds = sds2; | |
| 3374 goto Lagain; | |
| 3375 } | |
| 3376 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3377 } | |
| 3378 else | |
| 3379 { | |
| 3380 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3381 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3382 sds->semantic(sc); | |
| 3383 } | |
| 3384 type = Type::tvoid; | |
| 3385 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3386 return this; | |
| 3387 } | |
| 3388 | |
| 3389 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3390 { | |
| 3391 if (sds->isTemplateInstance()) | |
| 3392 { | |
| 3393 sds->toCBuffer(buf, hgs); | |
| 3394 } | |
| 3395 else | |
| 3396 { | |
| 3397 buf->writestring(sds->kind()); | |
| 3398 buf->writestring(" "); | |
| 3399 buf->writestring(sds->toChars()); | |
| 3400 } | |
| 3401 } | |
| 3402 | |
| 3403 /********************** TemplateExp **************************************/ | |
| 3404 | |
| 3405 // Mainly just a placeholder | |
| 3406 | |
| 3407 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3408 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3409 { | |
| 3410 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3411 this->td = td; | |
| 3412 } | |
| 3413 | |
| 3414 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3415 { | |
| 3416 buf->writestring(td->toChars()); | |
| 3417 } | |
| 3418 | |
| 3419 void TemplateExp::rvalue() | |
| 3420 { | |
| 3421 error("template %s has no value", toChars()); | |
| 3422 } | |
| 3423 | |
| 3424 /********************** NewExp **************************************/ | |
| 3425 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3426 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3427 |
| 159 | 3428 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3429 Type *newtype, Expressions *arguments) | |
| 3430 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3431 { | |
| 3432 this->thisexp = thisexp; | |
| 3433 this->newargs = newargs; | |
| 3434 this->newtype = newtype; | |
| 3435 this->arguments = arguments; | |
| 3436 member = NULL; | |
| 3437 allocator = NULL; | |
| 3438 onstack = 0; | |
| 3439 } | |
| 3440 | |
| 3441 Expression *NewExp::syntaxCopy() | |
| 3442 { | |
| 3443 return new NewExp(loc, | |
| 3444 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3445 arraySyntaxCopy(newargs), | |
| 3446 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3447 } | |
| 3448 | |
| 3449 | |
| 3450 Expression *NewExp::semantic(Scope *sc) | |
| 3451 { int i; | |
| 3452 Type *tb; | |
| 3453 ClassDeclaration *cdthis = NULL; | |
| 3454 | |
| 3455 #if LOGSEMANTIC | |
| 3456 printf("NewExp::semantic() %s\n", toChars()); | |
| 3457 if (thisexp) | |
| 3458 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3459 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3460 #endif | |
| 3461 if (type) // if semantic() already run | |
| 3462 return this; | |
| 3463 | |
| 3464 Lagain: | |
| 3465 if (thisexp) | |
| 3466 { thisexp = thisexp->semantic(sc); | |
| 3467 cdthis = thisexp->type->isClassHandle(); | |
| 3468 if (cdthis) | |
| 3469 { | |
| 3470 sc = sc->push(cdthis); | |
| 3471 type = newtype->semantic(loc, sc); | |
| 3472 sc = sc->pop(); | |
| 3473 } | |
| 3474 else | |
| 3475 { | |
| 3476 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3477 type = newtype->semantic(loc, sc); | |
| 3478 } | |
| 3479 } | |
| 3480 else | |
| 3481 type = newtype->semantic(loc, sc); | |
| 3482 newtype = type; // in case type gets cast to something else | |
| 3483 tb = type->toBasetype(); | |
| 3484 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3485 | |
| 3486 arrayExpressionSemantic(newargs, sc); | |
| 3487 preFunctionArguments(loc, sc, newargs); | |
| 3488 arrayExpressionSemantic(arguments, sc); | |
| 3489 preFunctionArguments(loc, sc, arguments); | |
| 3490 | |
| 3491 if (thisexp && tb->ty != Tclass) | |
| 3492 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3493 | |
| 3494 if (tb->ty == Tclass) | |
| 3495 { TypeFunction *tf; | |
| 3496 | |
| 3497 TypeClass *tc = (TypeClass *)(tb); | |
| 3498 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3499 if (cd->isInterfaceDeclaration()) | |
| 3500 error("cannot create instance of interface %s", cd->toChars()); | |
| 3501 else if (cd->isAbstract()) | |
| 3502 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3503 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3504 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3505 if (fd && fd->isAbstract()) | |
| 3506 error("function %s is abstract", fd->toChars()); | |
| 3507 } | |
| 3508 } | |
| 3509 checkDeprecated(sc, cd); | |
| 3510 if (cd->isNested()) | |
| 3511 { /* We need a 'this' pointer for the nested class. | |
| 3512 * Ensure we have the right one. | |
| 3513 */ | |
| 3514 Dsymbol *s = cd->toParent2(); | |
| 3515 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
|
3516 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3517 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3518 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3519 if (cdn) |
| 3520 { | |
| 3521 if (!cdthis) | |
| 3522 { | |
| 3523 // Supply an implicit 'this' and try again | |
| 3524 thisexp = new ThisExp(loc); | |
| 3525 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3526 { if (!sp) | |
| 3527 { | |
| 3528 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3529 break; | |
| 3530 } | |
| 3531 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3532 if (!cdp) | |
| 3533 continue; | |
| 3534 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3535 break; | |
| 3536 // Add a '.outer' and try again | |
| 3537 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3538 } | |
| 3539 if (!global.errors) | |
| 3540 goto Lagain; | |
| 3541 } | |
| 3542 if (cdthis) | |
| 3543 { | |
| 3544 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3545 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3546 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3547 } | |
| 3548 #if 0 | |
| 3549 else | |
| 3550 { | |
| 3551 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3552 { | |
| 3553 if (!sf) | |
| 3554 { | |
| 3555 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3556 break; | |
| 3557 } | |
| 3558 printf("sf = %s\n", sf->toChars()); | |
| 3559 AggregateDeclaration *ad = sf->isThis(); | |
| 3560 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3561 break; | |
| 3562 } | |
| 3563 } | |
| 3564 #endif | |
| 3565 } | |
| 3566 else if (thisexp) | |
| 3567 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
|
3568 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
|
3569 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3570 // 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
|
3571 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
|
3572 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3573 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
|
3574 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3575 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
|
3576 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
|
3577 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3578 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
|
3579 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3580 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3581 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3582 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3583 } |
| 159 | 3584 } |
| 3585 else if (thisexp) | |
| 3586 error("e.new is only for allocating nested classes"); | |
| 3587 | |
| 3588 FuncDeclaration *f = cd->ctor; | |
| 3589 if (f) | |
| 3590 { | |
| 3591 assert(f); | |
| 3592 f = f->overloadResolve(loc, arguments); | |
| 3593 checkDeprecated(sc, f); | |
| 3594 member = f->isCtorDeclaration(); | |
| 3595 assert(member); | |
| 3596 | |
| 3597 cd->accessCheck(loc, sc, member); | |
| 3598 | |
| 3599 tf = (TypeFunction *)f->type; | |
| 3600 type = tf->next; | |
| 3601 | |
| 3602 if (!arguments) | |
| 3603 arguments = new Expressions(); | |
| 3604 functionArguments(loc, sc, tf, arguments); | |
| 3605 } | |
| 3606 else | |
| 3607 { | |
| 3608 if (arguments && arguments->dim) | |
| 3609 error("no constructor for %s", cd->toChars()); | |
| 3610 } | |
| 3611 | |
| 3612 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3613 { |
| 159 | 3614 // Prepend the uint size argument to newargs[] |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3615 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tuns32); |
| 159 | 3616 if (!newargs) |
| 3617 newargs = new Expressions(); | |
| 3618 newargs->shift(e); | |
| 3619 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3620 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3621 allocator = f->isNewDeclaration(); |
| 3622 assert(allocator); | |
| 3623 | |
| 3624 tf = (TypeFunction *)f->type; | |
| 3625 functionArguments(loc, sc, tf, newargs); | |
| 3626 } | |
| 3627 else | |
| 3628 { | |
| 3629 if (newargs && newargs->dim) | |
| 3630 error("no allocator for %s", cd->toChars()); | |
| 3631 } | |
| 3632 } | |
| 3633 else if (tb->ty == Tstruct) | |
| 3634 { | |
| 3635 TypeStruct *ts = (TypeStruct *)tb; | |
| 3636 StructDeclaration *sd = ts->sym; | |
| 3637 FuncDeclaration *f = sd->aggNew; | |
| 3638 TypeFunction *tf; | |
| 3639 | |
| 3640 if (arguments && arguments->dim) | |
| 3641 error("no constructor for %s", type->toChars()); | |
| 3642 | |
| 3643 if (f) | |
| 3644 { | |
| 3645 Expression *e; | |
| 3646 | |
| 3647 // Prepend the uint size argument to newargs[] | |
| 3648 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3649 if (!newargs) | |
| 3650 newargs = new Expressions(); | |
| 3651 newargs->shift(e); | |
| 3652 | |
| 3653 f = f->overloadResolve(loc, newargs); | |
| 3654 allocator = f->isNewDeclaration(); | |
| 3655 assert(allocator); | |
| 3656 | |
| 3657 tf = (TypeFunction *)f->type; | |
| 3658 functionArguments(loc, sc, tf, newargs); | |
| 3659 | |
| 3660 e = new VarExp(loc, f); | |
| 3661 e = new CallExp(loc, e, newargs); | |
| 3662 e = e->semantic(sc); | |
| 3663 e->type = type->pointerTo(); | |
| 3664 return e; | |
| 3665 } | |
| 3666 | |
| 3667 type = type->pointerTo(); | |
| 3668 } | |
| 3669 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3670 { | |
| 3671 for (size_t i = 0; i < arguments->dim; i++) | |
| 3672 { | |
| 3673 if (tb->ty != Tarray) | |
| 3674 { error("too many arguments for array"); | |
| 3675 arguments->dim = i; | |
| 3676 break; | |
| 3677 } | |
| 3678 | |
| 3679 Expression *arg = (Expression *)arguments->data[i]; | |
| 3680 arg = resolveProperties(sc, arg); | |
| 3681 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3682 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3683 error("negative array index %s", arg->toChars()); | |
| 3684 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
|
3685 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3686 } |
| 3687 } | |
| 3688 else if (tb->isscalar()) | |
| 3689 { | |
| 3690 if (arguments && arguments->dim) | |
| 3691 error("no constructor for %s", type->toChars()); | |
| 3692 | |
| 3693 type = type->pointerTo(); | |
| 3694 } | |
| 3695 else | |
| 3696 { | |
| 3697 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3698 type = type->pointerTo(); | |
| 3699 } | |
| 3700 | |
| 3701 //printf("NewExp: '%s'\n", toChars()); | |
| 3702 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3703 | |
| 3704 return this; | |
| 3705 } | |
| 3706 | |
| 3707 int NewExp::checkSideEffect(int flag) | |
| 3708 { | |
| 3709 return 1; | |
| 3710 } | |
| 3711 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3712 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3713 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3714 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3715 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3716 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3717 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3718 |
| 159 | 3719 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3720 { int i; | |
| 3721 | |
| 3722 if (thisexp) | |
| 3723 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3724 buf->writeByte('.'); | |
| 3725 } | |
| 3726 buf->writestring("new "); | |
| 3727 if (newargs && newargs->dim) | |
| 3728 { | |
| 3729 buf->writeByte('('); | |
| 3730 argsToCBuffer(buf, newargs, hgs); | |
| 3731 buf->writeByte(')'); | |
| 3732 } | |
| 3733 newtype->toCBuffer(buf, NULL, hgs); | |
| 3734 if (arguments && arguments->dim) | |
| 3735 { | |
| 3736 buf->writeByte('('); | |
| 3737 argsToCBuffer(buf, arguments, hgs); | |
| 3738 buf->writeByte(')'); | |
| 3739 } | |
| 3740 } | |
| 3741 | |
| 3742 /********************** NewAnonClassExp **************************************/ | |
| 3743 | |
| 3744 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3745 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3746 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3747 { | |
| 3748 this->thisexp = thisexp; | |
| 3749 this->newargs = newargs; | |
| 3750 this->cd = cd; | |
| 3751 this->arguments = arguments; | |
| 3752 } | |
| 3753 | |
| 3754 Expression *NewAnonClassExp::syntaxCopy() | |
| 3755 { | |
| 3756 return new NewAnonClassExp(loc, | |
| 3757 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3758 arraySyntaxCopy(newargs), | |
| 3759 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3760 arraySyntaxCopy(arguments)); | |
| 3761 } | |
| 3762 | |
| 3763 | |
| 3764 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3765 { | |
| 3766 #if LOGSEMANTIC | |
| 3767 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3768 //printf("thisexp = %p\n", thisexp); |
| 159 | 3769 //printf("type: %s\n", type->toChars()); |
| 3770 #endif | |
| 3771 | |
| 3772 Expression *d = new DeclarationExp(loc, cd); | |
| 3773 d = d->semantic(sc); | |
| 3774 | |
| 3775 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3776 | |
| 3777 Expression *c = new CommaExp(loc, d, n); | |
| 3778 return c->semantic(sc); | |
| 3779 } | |
| 3780 | |
| 3781 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3782 { | |
| 3783 return 1; | |
| 3784 } | |
| 3785 | |
|
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|
3786 #if DMDV2 |
|
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|
3787 int NewAnonClassExp::canThrow() |
|
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Merged DMD 1.038
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846
diff
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|
3788 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3789 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3790 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
3791 #endif |
|
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Merged DMD 1.038
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diff
changeset
|
3792 |
| 159 | 3793 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3794 { int i; | |
| 3795 | |
| 3796 if (thisexp) | |
| 3797 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3798 buf->writeByte('.'); | |
| 3799 } | |
| 3800 buf->writestring("new"); | |
| 3801 if (newargs && newargs->dim) | |
| 3802 { | |
| 3803 buf->writeByte('('); | |
| 3804 argsToCBuffer(buf, newargs, hgs); | |
| 3805 buf->writeByte(')'); | |
| 3806 } | |
| 3807 buf->writestring(" class "); | |
| 3808 if (arguments && arguments->dim) | |
| 3809 { | |
| 3810 buf->writeByte('('); | |
| 3811 argsToCBuffer(buf, arguments, hgs); | |
| 3812 buf->writeByte(')'); | |
| 3813 } | |
| 3814 //buf->writestring(" { }"); | |
| 3815 if (cd) | |
| 3816 { | |
| 3817 cd->toCBuffer(buf, hgs); | |
| 3818 } | |
| 3819 } | |
| 3820 | |
|
875
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Merged DMD 1.038
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diff
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|
3821 /********************** SymbolExp **************************************/ |
|
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parents:
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diff
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|
3822 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3823 #if DMDV2 |
|
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Merged DMD 1.038
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diff
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|
3824 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3825 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
3826 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3827 assert(var); |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3828 this->var = var; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3829 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3830 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3831 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3832 |
| 159 | 3833 /********************** SymOffExp **************************************/ |
| 3834 | |
| 3835 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3836 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3837 { | |
| 3838 assert(var); | |
| 3839 this->var = var; | |
| 3840 this->offset = offset; | |
| 3841 VarDeclaration *v = var->isVarDeclaration(); | |
| 3842 if (v && v->needThis()) | |
| 3843 error("need 'this' for address of %s", v->toChars()); | |
| 3844 } | |
| 3845 | |
| 3846 Expression *SymOffExp::semantic(Scope *sc) | |
| 3847 { | |
| 3848 #if LOGSEMANTIC | |
| 3849 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3850 #endif | |
| 3851 //var->semantic(sc); | |
| 3852 if (!type) | |
| 3853 type = var->type->pointerTo(); | |
| 3854 VarDeclaration *v = var->isVarDeclaration(); | |
| 3855 if (v) | |
| 3856 { | |
| 3857 v->checkNestedReference(sc, loc); | |
| 3858 } | |
| 3859 return this; | |
| 3860 } | |
| 3861 | |
| 3862 int SymOffExp::isBool(int result) | |
| 3863 { | |
| 3864 return result ? TRUE : FALSE; | |
| 3865 } | |
| 3866 | |
| 3867 void SymOffExp::checkEscape() | |
| 3868 { | |
| 3869 VarDeclaration *v = var->isVarDeclaration(); | |
| 3870 if (v) | |
| 3871 { | |
| 3872 if (!v->isDataseg()) | |
| 3873 error("escaping reference to local variable %s", v->toChars()); | |
| 3874 } | |
| 3875 } | |
| 3876 | |
| 3877 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3878 { | |
| 3879 if (offset) | |
| 3880 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3881 else | |
| 3882 buf->printf("& %s", var->toChars()); | |
| 3883 } | |
| 3884 | |
| 3885 /******************************** VarExp **************************/ | |
| 3886 | |
| 3887 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3888 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3889 { | |
| 3890 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3891 this->var = var; | |
| 3892 this->type = var->type; | |
| 3893 } | |
| 3894 | |
| 3895 int VarExp::equals(Object *o) | |
| 3896 { VarExp *ne; | |
| 3897 | |
| 3898 if (this == o || | |
| 3899 (((Expression *)o)->op == TOKvar && | |
| 3900 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3901 var == ne->var)) | |
| 3902 return 1; | |
| 3903 return 0; | |
| 3904 } | |
| 3905 | |
| 3906 Expression *VarExp::semantic(Scope *sc) | |
| 3907 { FuncLiteralDeclaration *fd; | |
| 3908 | |
| 3909 #if LOGSEMANTIC | |
| 3910 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3911 #endif | |
| 3912 if (!type) | |
| 3913 { type = var->type; | |
| 3914 #if 0 | |
| 3915 if (var->storage_class & STClazy) | |
| 3916 { | |
| 3917 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3918 type = new TypeDelegate(tf); | |
| 3919 type = type->semantic(loc, sc); | |
| 3920 } | |
| 3921 #endif | |
| 3922 } | |
|
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parents:
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diff
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|
3923 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3924 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3925 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3926 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3927 //accessCheck(loc, sc, NULL, var); |
| 159 | 3928 |
| 3929 VarDeclaration *v = var->isVarDeclaration(); | |
| 3930 if (v) | |
| 3931 { | |
| 3932 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3933 { | |
| 3934 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3935 if (ei) | |
| 3936 { | |
| 3937 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3938 return ei->exp->implicitCastTo(sc, type); | |
| 3939 } | |
| 3940 } | |
| 3941 v->checkNestedReference(sc, loc); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3942 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3943 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3944 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3945 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3946 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3947 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3948 #endif |
| 159 | 3949 } |
| 3950 #if 0 | |
| 3951 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3952 { Expression *e; | |
| 3953 e = new FuncExp(loc, fd); | |
| 3954 e->type = type; | |
| 3955 return e; | |
| 3956 } | |
| 3957 #endif | |
| 3958 return this; | |
| 3959 } | |
| 3960 | |
| 3961 char *VarExp::toChars() | |
| 3962 { | |
| 3963 return var->toChars(); | |
| 3964 } | |
| 3965 | |
| 3966 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3967 { | |
| 3968 buf->writestring(var->toChars()); | |
| 3969 } | |
| 3970 | |
| 3971 void VarExp::checkEscape() | |
| 3972 { | |
| 3973 VarDeclaration *v = var->isVarDeclaration(); | |
| 3974 if (v) | |
| 3975 { Type *tb = v->type->toBasetype(); | |
| 3976 // if reference type | |
| 3977 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 3978 { | |
| 3979 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 3980 error("escaping reference to auto local %s", v->toChars()); | |
| 3981 else if (v->storage_class & STCvariadic) | |
| 3982 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 3983 } | |
| 3984 } | |
| 3985 } | |
| 3986 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3987 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3988 int VarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3989 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3990 if (var->storage_class & STClazy) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3991 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3992 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3993 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3994 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3995 |
| 159 | 3996 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 3997 { | |
| 3998 #if 0 | |
| 3999 tym = tybasic(e1->ET->Tty); | |
| 4000 if (!(tyscalar(tym) || | |
| 4001 tym == TYstruct || | |
| 4002 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4003 synerr(EM_lvalue); // lvalue expected | |
| 4004 #endif | |
| 4005 if (var->storage_class & STClazy) | |
| 4006 error("lazy variables cannot be lvalues"); | |
| 4007 return this; | |
| 4008 } | |
| 4009 | |
| 4010 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4011 { | |
| 4012 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4013 if (sc->incontract && var->isParameter()) | |
| 4014 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4015 | |
| 4016 if (type && type->toBasetype()->ty == Tsarray) | |
| 4017 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4018 | |
| 4019 VarDeclaration *v = var->isVarDeclaration(); | |
| 4020 if (v && v->canassign == 0 && | |
| 4021 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4022 error("cannot modify final variable '%s'", var->toChars()); | |
| 4023 | |
| 4024 if (var->isCtorinit()) | |
| 4025 { // It's only modifiable if inside the right constructor | |
| 4026 Dsymbol *s = sc->func; | |
| 4027 while (1) | |
| 4028 { | |
| 4029 FuncDeclaration *fd = NULL; | |
| 4030 if (s) | |
| 4031 fd = s->isFuncDeclaration(); | |
| 4032 if (fd && | |
| 4033 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4034 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4035 fd->toParent() == var->toParent() | |
| 4036 ) | |
| 4037 { | |
| 4038 VarDeclaration *v = var->isVarDeclaration(); | |
| 4039 assert(v); | |
| 4040 v->ctorinit = 1; | |
| 4041 //printf("setting ctorinit\n"); | |
| 4042 } | |
| 4043 else | |
| 4044 { | |
| 4045 if (s) | |
| 4046 { s = s->toParent2(); | |
| 4047 continue; | |
| 4048 } | |
| 4049 else | |
| 4050 { | |
| 4051 const char *p = var->isStatic() ? "static " : ""; | |
| 4052 error("can only initialize %sconst %s inside %sconstructor", | |
| 4053 p, var->toChars(), p); | |
| 4054 } | |
| 4055 } | |
| 4056 break; | |
| 4057 } | |
| 4058 } | |
| 4059 | |
| 4060 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4061 return toLvalue(sc, e); | |
| 4062 } | |
| 4063 | |
| 4064 | |
|
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
|
4065 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4066 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4067 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4068 OverExp::OverExp(OverloadSet *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
|
4069 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
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parents:
486
diff
changeset
|
4070 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4071 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4072 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4073 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
|
4074 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4075 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4076 int OverExp::isLvalue() |
|
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
|
4077 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4078 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
|
4079 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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|
4080 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4081 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
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|
4082 { |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4083 return this; |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4084 } |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4085 #endif |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
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|
4086 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4087 |
| 159 | 4088 /******************************** TupleExp **************************/ |
| 4089 | |
| 4090 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4091 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4092 { | |
| 4093 //printf("TupleExp(this = %p)\n", this); | |
| 4094 this->exps = exps; | |
| 4095 this->type = NULL; | |
| 4096 } | |
| 4097 | |
| 4098 | |
| 4099 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4100 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4101 { | |
| 4102 exps = new Expressions(); | |
| 4103 type = NULL; | |
| 4104 | |
| 4105 exps->reserve(tup->objects->dim); | |
| 4106 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4107 { Object *o = (Object *)tup->objects->data[i]; | |
| 4108 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4109 { | |
| 4110 Expression *e = (Expression *)o; | |
| 4111 e = e->syntaxCopy(); | |
| 4112 exps->push(e); | |
| 4113 } | |
| 4114 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4115 { | |
| 4116 Dsymbol *s = (Dsymbol *)o; | |
| 4117 Expression *e = new DsymbolExp(loc, s); | |
| 4118 exps->push(e); | |
| 4119 } | |
| 4120 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4121 { | |
| 4122 Type *t = (Type *)o; | |
| 4123 Expression *e = new TypeExp(loc, t); | |
| 4124 exps->push(e); | |
| 4125 } | |
| 4126 else | |
| 4127 { | |
| 4128 error("%s is not an expression", o->toChars()); | |
| 4129 } | |
| 4130 } | |
| 4131 } | |
| 4132 | |
| 4133 int TupleExp::equals(Object *o) | |
| 4134 { TupleExp *ne; | |
| 4135 | |
| 4136 if (this == o) | |
| 4137 return 1; | |
| 4138 if (((Expression *)o)->op == TOKtuple) | |
| 4139 { | |
| 4140 TupleExp *te = (TupleExp *)o; | |
| 4141 if (exps->dim != te->exps->dim) | |
| 4142 return 0; | |
| 4143 for (size_t i = 0; i < exps->dim; i++) | |
| 4144 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4145 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4146 | |
| 4147 if (!e1->equals(e2)) | |
| 4148 return 0; | |
| 4149 } | |
| 4150 return 1; | |
| 4151 } | |
| 4152 return 0; | |
| 4153 } | |
| 4154 | |
| 4155 Expression *TupleExp::syntaxCopy() | |
| 4156 { | |
| 4157 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4158 } | |
| 4159 | |
| 4160 Expression *TupleExp::semantic(Scope *sc) | |
| 4161 { | |
| 4162 #if LOGSEMANTIC | |
| 4163 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4164 #endif | |
| 4165 if (type) | |
| 4166 return this; | |
| 4167 | |
| 4168 // Run semantic() on each argument | |
| 4169 for (size_t i = 0; i < exps->dim; i++) | |
| 4170 { Expression *e = (Expression *)exps->data[i]; | |
| 4171 | |
| 4172 e = e->semantic(sc); | |
| 4173 if (!e->type) | |
| 4174 { error("%s has no value", e->toChars()); | |
| 4175 e->type = Type::terror; | |
| 4176 } | |
| 4177 exps->data[i] = (void *)e; | |
| 4178 } | |
| 4179 | |
| 4180 expandTuples(exps); | |
| 4181 if (0 && exps->dim == 1) | |
| 4182 { | |
| 4183 return (Expression *)exps->data[0]; | |
| 4184 } | |
| 4185 type = new TypeTuple(exps); | |
| 4186 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4187 return this; | |
| 4188 } | |
| 4189 | |
| 4190 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4191 { | |
| 4192 buf->writestring("tuple("); | |
| 4193 argsToCBuffer(buf, exps, hgs); | |
| 4194 buf->writeByte(')'); | |
| 4195 } | |
| 4196 | |
| 4197 int TupleExp::checkSideEffect(int flag) | |
| 4198 { int f = 0; | |
| 4199 | |
| 4200 for (int i = 0; i < exps->dim; i++) | |
| 4201 { Expression *e = (Expression *)exps->data[i]; | |
| 4202 | |
| 4203 f |= e->checkSideEffect(2); | |
| 4204 } | |
| 4205 if (flag == 0 && f == 0) | |
| 4206 Expression::checkSideEffect(0); | |
| 4207 return f; | |
| 4208 } | |
| 4209 | |
|
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|
4210 #if DMDV2 |
|
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|
4211 int TupleExp::canThrow() |
|
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Merged DMD 1.038
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|
4212 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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|
4213 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
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parents:
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|
4214 } |
|
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parents:
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|
4215 #endif |
|
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|
4216 |
| 159 | 4217 void TupleExp::checkEscape() |
| 4218 { | |
| 4219 for (size_t i = 0; i < exps->dim; i++) | |
| 4220 { Expression *e = (Expression *)exps->data[i]; | |
| 4221 e->checkEscape(); | |
| 4222 } | |
| 4223 } | |
| 4224 | |
| 4225 /******************************** FuncExp *********************************/ | |
| 4226 | |
| 4227 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4228 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4229 { | |
| 4230 this->fd = fd; | |
| 4231 } | |
| 4232 | |
| 4233 Expression *FuncExp::syntaxCopy() | |
| 4234 { | |
| 4235 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4236 } | |
| 4237 | |
| 4238 Expression *FuncExp::semantic(Scope *sc) | |
| 4239 { | |
| 4240 #if LOGSEMANTIC | |
| 4241 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4242 #endif | |
| 4243 if (!type) | |
| 4244 { | |
| 4245 fd->semantic(sc); | |
| 4246 fd->parent = sc->parent; | |
| 4247 if (global.errors) | |
| 4248 { | |
| 4249 if (!fd->type->next) | |
| 4250 fd->type->next = Type::terror; | |
| 4251 } | |
| 4252 else | |
| 4253 { | |
| 4254 fd->semantic2(sc); | |
| 4255 if (!global.errors) | |
| 4256 { | |
| 4257 fd->semantic3(sc); | |
| 4258 | |
| 4259 if (!global.errors && global.params.useInline) | |
| 4260 fd->inlineScan(); | |
| 4261 } | |
| 4262 } | |
| 4263 | |
| 4264 // Type is a "delegate to" or "pointer to" the function literal | |
| 4265 if (fd->isNested()) | |
| 4266 { | |
| 4267 type = new TypeDelegate(fd->type); | |
| 4268 type = type->semantic(loc, sc); | |
| 4269 } | |
| 4270 else | |
| 4271 { | |
| 4272 type = fd->type->pointerTo(); | |
| 4273 } | |
| 4274 } | |
| 4275 return this; | |
| 4276 } | |
| 4277 | |
| 4278 char *FuncExp::toChars() | |
| 4279 { | |
| 4280 return fd->toChars(); | |
| 4281 } | |
| 4282 | |
| 4283 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4284 { | |
| 4285 buf->writestring(fd->toChars()); | |
| 4286 } | |
| 4287 | |
| 4288 | |
| 4289 /******************************** DeclarationExp **************************/ | |
| 4290 | |
| 4291 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4292 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4293 { | |
| 4294 this->declaration = declaration; | |
| 4295 } | |
| 4296 | |
| 4297 Expression *DeclarationExp::syntaxCopy() | |
| 4298 { | |
| 4299 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4300 } | |
| 4301 | |
| 4302 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4303 { | |
| 4304 if (type) | |
| 4305 return this; | |
| 4306 | |
| 4307 #if LOGSEMANTIC | |
| 4308 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4309 #endif | |
| 4310 | |
| 4311 /* This is here to support extern(linkage) declaration, | |
| 4312 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4313 * wrapper. | |
| 4314 */ | |
| 4315 Dsymbol *s = declaration; | |
| 4316 | |
| 4317 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4318 if (ad) | |
| 4319 { | |
| 4320 if (ad->decl && ad->decl->dim == 1) | |
| 4321 s = (Dsymbol *)ad->decl->data[0]; | |
| 4322 } | |
| 4323 | |
| 4324 if (s->isVarDeclaration()) | |
| 4325 { // Do semantic() on initializer first, so: | |
| 4326 // int a = a; | |
| 4327 // will be illegal. | |
| 4328 declaration->semantic(sc); | |
| 4329 s->parent = sc->parent; | |
| 4330 } | |
| 4331 | |
| 4332 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4333 // Insert into both local scope and function scope. | |
| 4334 // Must be unique in both. | |
| 4335 if (s->ident) | |
| 4336 { | |
| 4337 if (!sc->insert(s)) | |
| 4338 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4339 else if (sc->func) | |
| 4340 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4341 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4342 !sc->func->localsymtab->insert(s)) | |
| 4343 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4344 else if (!global.params.useDeprecated) | |
| 4345 { // Disallow shadowing | |
| 4346 | |
| 4347 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4348 { Dsymbol *s2; | |
| 4349 | |
| 4350 if (scx->scopesym && scx->scopesym->symtab && | |
| 4351 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4352 s != s2) | |
| 4353 { | |
| 4354 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4355 } | |
| 4356 } | |
| 4357 } | |
| 4358 } | |
| 4359 } | |
| 4360 if (!s->isVarDeclaration()) | |
| 4361 { | |
| 4362 declaration->semantic(sc); | |
| 4363 s->parent = sc->parent; | |
| 4364 } | |
| 4365 if (!global.errors) | |
| 4366 { | |
| 4367 declaration->semantic2(sc); | |
| 4368 if (!global.errors) | |
| 4369 { | |
| 4370 declaration->semantic3(sc); | |
| 4371 | |
| 4372 if (!global.errors && global.params.useInline) | |
| 4373 declaration->inlineScan(); | |
| 4374 } | |
| 4375 } | |
| 4376 | |
| 4377 type = Type::tvoid; | |
| 4378 return this; | |
| 4379 } | |
| 4380 | |
| 4381 int DeclarationExp::checkSideEffect(int flag) | |
| 4382 { | |
| 4383 return 1; | |
| 4384 } | |
| 4385 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
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|
4386 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4387 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4388 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4389 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4390 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4391 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4392 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4393 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4394 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4395 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4396 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4397 |
| 159 | 4398 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4399 { | |
| 4400 declaration->toCBuffer(buf, hgs); | |
| 4401 } | |
| 4402 | |
| 4403 | |
| 4404 /************************ TypeidExp ************************************/ | |
| 4405 | |
| 4406 /* | |
| 4407 * typeid(int) | |
| 4408 */ | |
| 4409 | |
| 4410 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4411 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4412 { | |
| 4413 this->typeidType = typeidType; | |
| 4414 } | |
| 4415 | |
| 4416 | |
| 4417 Expression *TypeidExp::syntaxCopy() | |
| 4418 { | |
| 4419 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4420 } | |
| 4421 | |
| 4422 | |
| 4423 Expression *TypeidExp::semantic(Scope *sc) | |
| 4424 { Expression *e; | |
| 4425 | |
| 4426 #if LOGSEMANTIC | |
| 4427 printf("TypeidExp::semantic()\n"); | |
| 4428 #endif | |
| 4429 typeidType = typeidType->semantic(loc, sc); | |
| 4430 e = typeidType->getTypeInfo(sc); | |
| 336 | 4431 if (e->loc.linnum == 0) |
| 4432 e->loc = loc; // so there's at least some line number info | |
| 159 | 4433 return e; |
| 4434 } | |
| 4435 | |
| 4436 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4437 { | |
| 4438 buf->writestring("typeid("); | |
| 4439 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4440 buf->writeByte(')'); | |
| 4441 } | |
| 4442 | |
|
510
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diff
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|
4443 /************************ TraitsExp ************************************/ |
|
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diff
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|
4444 #if DMDV2 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4445 /* |
|
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diff
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|
4446 * __traits(identifier, args...) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4447 */ |
|
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parents:
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diff
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|
4448 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4449 TraitsExp::TraitsExp(Loc loc, Identifier *ident, Objects *args) |
|
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diff
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|
4450 : Expression(loc, TOKtraits, sizeof(TraitsExp)) |
|
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|
4451 { |
|
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parents:
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diff
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|
4452 this->ident = ident; |
|
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diff
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|
4453 this->args = args; |
|
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diff
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|
4454 } |
|
6aee82889553
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parents:
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diff
changeset
|
4455 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4456 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4457 Expression *TraitsExp::syntaxCopy() |
|
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parents:
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|
4458 { |
|
6aee82889553
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parents:
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diff
changeset
|
4459 return new TraitsExp(loc, ident, TemplateInstance::arraySyntaxCopy(args)); |
|
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|
4460 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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changeset
|
4461 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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changeset
|
4462 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4463 void TraitsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
6aee82889553
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parents:
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diff
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|
4464 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4465 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
|
4466 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
|
4467 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
|
4468 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4469 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
|
4470 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4471 buf->writeByte(','); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4472 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
|
4473 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
|
4474 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4475 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4476 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
|
4477 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 |
| 159 | 4480 /************************************************************/ |
| 4481 | |
| 4482 HaltExp::HaltExp(Loc loc) | |
| 4483 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4484 { | |
| 4485 } | |
| 4486 | |
| 4487 Expression *HaltExp::semantic(Scope *sc) | |
| 4488 { | |
| 4489 #if LOGSEMANTIC | |
| 4490 printf("HaltExp::semantic()\n"); | |
| 4491 #endif | |
| 4492 type = Type::tvoid; | |
| 4493 return this; | |
| 4494 } | |
| 4495 | |
| 4496 int HaltExp::checkSideEffect(int flag) | |
| 4497 { | |
| 4498 return 1; | |
| 4499 } | |
| 4500 | |
| 4501 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4502 { | |
| 4503 buf->writestring("halt"); | |
| 4504 } | |
| 4505 | |
| 4506 /************************************************************/ | |
| 4507 | |
| 4508 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4509 Type *tspec, enum TOK tok2) | |
| 4510 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4511 { | |
| 4512 this->targ = targ; | |
| 4513 this->id = id; | |
| 4514 this->tok = tok; | |
| 4515 this->tspec = tspec; | |
| 4516 this->tok2 = tok2; | |
| 4517 } | |
| 4518 | |
| 4519 Expression *IsExp::syntaxCopy() | |
| 4520 { | |
| 4521 return new IsExp(loc, | |
| 4522 targ->syntaxCopy(), | |
| 4523 id, | |
| 4524 tok, | |
| 4525 tspec ? tspec->syntaxCopy() : NULL, | |
| 4526 tok2); | |
| 4527 } | |
| 4528 | |
| 4529 Expression *IsExp::semantic(Scope *sc) | |
| 4530 { Type *tded; | |
| 4531 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4532 /* 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
|
4533 * 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
|
4534 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4535 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4536 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4537 if (id && !(sc->flags & SCOPEstaticif)) |
| 4538 error("can only declare type aliases within static if conditionals"); | |
| 4539 | |
| 4540 unsigned errors_save = global.errors; | |
| 4541 global.errors = 0; | |
| 4542 global.gag++; // suppress printing of error messages | |
| 4543 targ = targ->semantic(loc, sc); | |
| 4544 global.gag--; | |
| 4545 unsigned gerrors = global.errors; | |
| 4546 global.errors = errors_save; | |
| 4547 | |
| 4548 if (gerrors) // if any errors happened | |
| 4549 { // then condition is false | |
| 4550 goto Lno; | |
| 4551 } | |
| 4552 else if (tok2 != TOKreserved) | |
| 4553 { | |
| 4554 switch (tok2) | |
| 4555 { | |
| 4556 case TOKtypedef: | |
| 4557 if (targ->ty != Ttypedef) | |
| 4558 goto Lno; | |
| 4559 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4560 break; | |
| 4561 | |
| 4562 case TOKstruct: | |
| 4563 if (targ->ty != Tstruct) | |
| 4564 goto Lno; | |
| 4565 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4566 goto Lno; | |
| 4567 tded = targ; | |
| 4568 break; | |
| 4569 | |
| 4570 case TOKunion: | |
| 4571 if (targ->ty != Tstruct) | |
| 4572 goto Lno; | |
| 4573 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4574 goto Lno; | |
| 4575 tded = targ; | |
| 4576 break; | |
| 4577 | |
| 4578 case TOKclass: | |
| 4579 if (targ->ty != Tclass) | |
| 4580 goto Lno; | |
| 4581 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4582 goto Lno; | |
| 4583 tded = targ; | |
| 4584 break; | |
| 4585 | |
| 4586 case TOKinterface: | |
| 4587 if (targ->ty != Tclass) | |
| 4588 goto Lno; | |
| 4589 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4590 goto Lno; | |
| 4591 tded = targ; | |
| 4592 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
|
4593 #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
|
4594 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
|
4595 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
|
4596 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
|
4597 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
|
4598 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4599 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4600 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4601 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
|
4602 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
|
4603 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
|
4604 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
|
4605 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4606 #endif |
| 159 | 4607 |
| 4608 case TOKsuper: | |
| 4609 // If class or interface, get the base class and interfaces | |
| 4610 if (targ->ty != Tclass) | |
| 4611 goto Lno; | |
| 4612 else | |
| 4613 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4614 Arguments *args = new Arguments; | |
| 4615 args->reserve(cd->baseclasses.dim); | |
| 4616 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4617 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4618 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4619 } | |
| 4620 tded = new TypeTuple(args); | |
| 4621 } | |
| 4622 break; | |
| 4623 | |
| 4624 case TOKenum: | |
| 4625 if (targ->ty != Tenum) | |
| 4626 goto Lno; | |
| 4627 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4628 break; | |
| 4629 | |
| 4630 case TOKdelegate: | |
| 4631 if (targ->ty != Tdelegate) | |
| 4632 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
|
4633 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4634 break; |
| 4635 | |
| 4636 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
|
4637 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4638 if (targ->ty != Tfunction) |
| 159 | 4639 goto Lno; |
| 4640 tded = targ; | |
| 4641 | |
| 4642 /* Generate tuple from function parameter types. | |
| 4643 */ | |
| 4644 assert(tded->ty == Tfunction); | |
| 4645 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4646 size_t dim = Argument::dim(params); | |
| 4647 Arguments *args = new Arguments; | |
| 4648 args->reserve(dim); | |
| 4649 for (size_t i = 0; i < dim; i++) | |
| 4650 { Argument *arg = Argument::getNth(params, i); | |
| 4651 assert(arg && arg->type); | |
| 4652 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4653 } | |
| 4654 tded = new TypeTuple(args); | |
| 4655 break; | |
| 4656 } | |
| 4657 case TOKreturn: | |
| 4658 /* Get the 'return type' for the function, | |
| 4659 * delegate, or pointer to function. | |
| 4660 */ | |
| 4661 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
|
4662 tded = ((TypeFunction *)targ)->next; |
| 159 | 4663 else if (targ->ty == Tdelegate) |
| 4664 tded = targ->next->next; | |
| 4665 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4666 tded = targ->next->next; | |
| 4667 else | |
| 4668 goto Lno; | |
| 4669 break; | |
| 4670 | |
| 4671 default: | |
| 4672 assert(0); | |
| 4673 } | |
| 4674 goto Lyes; | |
| 4675 } | |
| 4676 else if (id && tspec) | |
| 4677 { | |
| 4678 /* Evaluate to TRUE if targ matches tspec. | |
| 4679 * If TRUE, declare id as an alias for the specialized type. | |
| 4680 */ | |
| 4681 | |
| 4682 MATCH m; | |
| 4683 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4684 | |
| 4685 TemplateParameters parameters; | |
| 4686 parameters.setDim(1); | |
| 4687 parameters.data[0] = (void *)&tp; | |
| 4688 | |
| 4689 Objects dedtypes; | |
| 4690 dedtypes.setDim(1); | |
| 4691 dedtypes.data[0] = NULL; | |
| 4692 | |
| 4693 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4694 if (m == MATCHnomatch || | |
| 4695 (m != MATCHexact && tok == TOKequal)) | |
| 4696 goto Lno; | |
| 4697 else | |
| 4698 { | |
| 4699 assert(dedtypes.dim == 1); | |
| 4700 tded = (Type *)dedtypes.data[0]; | |
| 4701 if (!tded) | |
| 4702 tded = targ; | |
| 4703 goto Lyes; | |
| 4704 } | |
| 4705 } | |
| 4706 else if (id) | |
| 4707 { | |
| 4708 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4709 */ | |
| 4710 tded = targ; | |
| 4711 goto Lyes; | |
| 4712 } | |
| 4713 else if (tspec) | |
| 4714 { | |
| 4715 /* Evaluate to TRUE if targ matches tspec | |
| 4716 */ | |
| 4717 tspec = tspec->semantic(loc, sc); | |
| 4718 //printf("targ = %s\n", targ->toChars()); | |
| 4719 //printf("tspec = %s\n", tspec->toChars()); | |
| 4720 if (tok == TOKcolon) | |
| 4721 { if (targ->implicitConvTo(tspec)) | |
| 4722 goto Lyes; | |
| 4723 else | |
| 4724 goto Lno; | |
| 4725 } | |
| 4726 else /* == */ | |
| 4727 { if (targ->equals(tspec)) | |
| 4728 goto Lyes; | |
| 4729 else | |
| 4730 goto Lno; | |
| 4731 } | |
| 4732 } | |
| 4733 | |
| 4734 Lyes: | |
| 4735 if (id) | |
| 4736 { | |
| 4737 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4738 s->semantic(sc); | |
| 4739 sc->insert(s); | |
| 4740 if (sc->sd) | |
| 4741 s->addMember(sc, sc->sd, 1); | |
| 4742 } | |
| 4743 return new IntegerExp(1); | |
| 4744 | |
| 4745 Lno: | |
| 4746 return new IntegerExp(0); | |
| 4747 } | |
| 4748 | |
| 4749 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4750 { | |
| 4751 buf->writestring("is("); | |
| 4752 targ->toCBuffer(buf, id, hgs); | |
| 4753 if (tok2 != TOKreserved) | |
| 4754 { | |
| 4755 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4756 } | |
| 4757 else if (tspec) | |
| 4758 { | |
| 4759 if (tok == TOKcolon) | |
| 4760 buf->writestring(" : "); | |
| 4761 else | |
| 4762 buf->writestring(" == "); | |
| 4763 tspec->toCBuffer(buf, NULL, hgs); | |
| 4764 } | |
| 336 | 4765 #if DMDV2 |
| 159 | 4766 if (parameters) |
| 4767 { // First parameter is already output, so start with second | |
| 4768 for (int i = 1; i < parameters->dim; i++) | |
| 4769 { | |
| 4770 buf->writeByte(','); | |
| 4771 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4772 tp->toCBuffer(buf, hgs); | |
| 4773 } | |
| 4774 } | |
| 4775 #endif | |
| 4776 buf->writeByte(')'); | |
| 4777 } | |
| 4778 | |
| 4779 | |
| 4780 /************************************************************/ | |
| 4781 | |
| 4782 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4783 : Expression(loc, op, size) | |
| 4784 { | |
| 4785 this->e1 = e1; | |
| 4786 } | |
| 4787 | |
| 4788 Expression *UnaExp::syntaxCopy() | |
| 4789 { UnaExp *e; | |
| 4790 | |
| 4791 e = (UnaExp *)copy(); | |
| 4792 e->type = NULL; | |
| 4793 e->e1 = e->e1->syntaxCopy(); | |
| 4794 return e; | |
| 4795 } | |
| 4796 | |
| 4797 Expression *UnaExp::semantic(Scope *sc) | |
| 4798 { | |
| 4799 #if LOGSEMANTIC | |
| 4800 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4801 #endif | |
| 4802 e1 = e1->semantic(sc); | |
| 4803 // if (!e1->type) | |
| 4804 // error("%s has no value", e1->toChars()); | |
| 4805 return this; | |
| 4806 } | |
| 4807 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4808 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4809 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4810 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4811 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4812 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4813 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4814 |
| 159 | 4815 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4816 { | |
| 4817 buf->writestring(Token::toChars(op)); | |
| 4818 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4819 } | |
| 4820 | |
| 4821 /************************************************************/ | |
| 4822 | |
| 4823 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4824 : Expression(loc, op, size) | |
| 4825 { | |
| 4826 this->e1 = e1; | |
| 4827 this->e2 = e2; | |
| 4828 } | |
| 4829 | |
| 4830 Expression *BinExp::syntaxCopy() | |
| 4831 { BinExp *e; | |
| 4832 | |
| 4833 e = (BinExp *)copy(); | |
| 4834 e->type = NULL; | |
| 4835 e->e1 = e->e1->syntaxCopy(); | |
| 4836 e->e2 = e->e2->syntaxCopy(); | |
| 4837 return e; | |
| 4838 } | |
| 4839 | |
| 4840 Expression *BinExp::semantic(Scope *sc) | |
| 4841 { | |
| 4842 #if LOGSEMANTIC | |
| 4843 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4844 #endif | |
| 4845 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4846 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4847 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4848 { |
| 4849 error("%s has no value", e1->toChars()); | |
| 4850 e1->type = Type::terror; | |
| 4851 } | |
| 4852 e2 = e2->semantic(sc); | |
| 4853 if (!e2->type) | |
| 4854 { | |
| 4855 error("%s has no value", e2->toChars()); | |
| 4856 e2->type = Type::terror; | |
| 4857 } | |
| 4858 return this; | |
| 4859 } | |
| 4860 | |
| 4861 Expression *BinExp::semanticp(Scope *sc) | |
| 4862 { | |
| 4863 BinExp::semantic(sc); | |
| 4864 e1 = resolveProperties(sc, e1); | |
| 4865 e2 = resolveProperties(sc, e2); | |
| 4866 return this; | |
| 4867 } | |
| 4868 | |
| 4869 /*************************** | |
| 4870 * Common semantic routine for some xxxAssignExp's. | |
| 4871 */ | |
| 4872 | |
| 4873 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4874 { Expression *e; | |
| 4875 | |
| 4876 if (!type) | |
| 4877 { | |
| 4878 BinExp::semantic(sc); | |
| 4879 e2 = resolveProperties(sc, e2); | |
| 4880 | |
| 4881 e = op_overload(sc); | |
| 4882 if (e) | |
| 4883 return e; | |
| 4884 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4885 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
|
4886 { // 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
|
4887 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
|
4888 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
|
4889 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
|
4890 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4891 |
| 159 | 4892 e1 = e1->modifiableLvalue(sc, e1); |
| 4893 e1->checkScalar(); | |
| 4894 type = e1->type; | |
| 4895 if (type->toBasetype()->ty == Tbool) | |
| 4896 { | |
| 4897 error("operator not allowed on bool expression %s", toChars()); | |
| 4898 } | |
| 4899 typeCombine(sc); | |
| 4900 e1->checkArithmetic(); | |
| 4901 e2->checkArithmetic(); | |
| 4902 | |
| 4903 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4904 { error("cannot perform modulo complex arithmetic"); | |
| 4905 return new IntegerExp(0); | |
| 4906 } | |
| 4907 } | |
| 4908 return this; | |
| 4909 } | |
| 4910 | |
| 4911 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4912 { Expression *e; | |
| 4913 | |
| 4914 if (!type) | |
| 4915 { | |
| 4916 BinExp::semantic(sc); | |
| 4917 e2 = resolveProperties(sc, e2); | |
| 4918 | |
| 4919 e = op_overload(sc); | |
| 4920 if (e) | |
| 4921 return e; | |
| 4922 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4923 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
|
4924 { // 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
|
4925 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
|
4926 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
|
4927 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
|
4928 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4929 |
| 159 | 4930 e1 = e1->modifiableLvalue(sc, e1); |
| 4931 e1->checkScalar(); | |
| 4932 type = e1->type; | |
| 4933 if (type->toBasetype()->ty == Tbool) | |
| 4934 { | |
| 4935 e2 = e2->implicitCastTo(sc, type); | |
| 4936 } | |
| 4937 | |
| 4938 typeCombine(sc); | |
| 4939 e1->checkIntegral(); | |
| 4940 e2->checkIntegral(); | |
| 4941 } | |
| 4942 return this; | |
| 4943 } | |
| 4944 | |
| 4945 int BinExp::checkSideEffect(int flag) | |
| 4946 { | |
| 4947 if (op == TOKplusplus || | |
| 4948 op == TOKminusminus || | |
| 4949 op == TOKassign || | |
| 4950 op == TOKconstruct || | |
| 4951 op == TOKblit || | |
| 4952 op == TOKaddass || | |
| 4953 op == TOKminass || | |
| 4954 op == TOKcatass || | |
| 4955 op == TOKmulass || | |
| 4956 op == TOKdivass || | |
| 4957 op == TOKmodass || | |
| 4958 op == TOKshlass || | |
| 4959 op == TOKshrass || | |
| 4960 op == TOKushrass || | |
| 4961 op == TOKandass || | |
| 4962 op == TOKorass || | |
| 4963 op == TOKxorass || | |
| 4964 op == TOKin || | |
| 4965 op == TOKremove) | |
| 4966 return 1; | |
| 4967 return Expression::checkSideEffect(flag); | |
| 4968 } | |
| 4969 | |
| 4970 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4971 { | |
| 4972 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4973 buf->writeByte(' '); | |
| 4974 buf->writestring(Token::toChars(op)); | |
| 4975 buf->writeByte(' '); | |
| 4976 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 4977 } | |
| 4978 | |
| 4979 int BinExp::isunsigned() | |
| 4980 { | |
| 4981 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 4982 } | |
| 4983 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4984 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4985 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4986 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4987 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4988 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4989 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4990 |
| 159 | 4991 void BinExp::incompatibleTypes() |
| 4992 { | |
| 4993 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 4994 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 4995 e1->type->toChars(), e2->type->toChars()); | |
| 4996 } | |
| 4997 | |
| 4998 /************************************************************/ | |
| 4999 | |
| 5000 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5001 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5002 { | |
| 5003 } | |
| 5004 | |
| 5005 Expression *CompileExp::semantic(Scope *sc) | |
| 5006 { | |
| 5007 #if LOGSEMANTIC | |
| 5008 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5009 #endif | |
| 5010 UnaExp::semantic(sc); | |
| 5011 e1 = resolveProperties(sc, e1); | |
| 5012 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5013 if (e1->op != TOKstring) | |
| 5014 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5015 type = Type::terror; | |
| 5016 return this; | |
| 5017 } | |
| 5018 StringExp *se = (StringExp *)e1; | |
| 5019 se = se->toUTF8(sc); | |
| 5020 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5021 p.loc = loc; | |
| 5022 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5023 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5024 Expression *e = p.parseExpression(); |
| 5025 if (p.token.value != TOKeof) | |
| 5026 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5027 return e->semantic(sc); | |
| 5028 } | |
| 5029 | |
| 5030 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5031 { | |
| 5032 buf->writestring("mixin("); | |
| 5033 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5034 buf->writeByte(')'); | |
| 5035 } | |
| 5036 | |
| 5037 /************************************************************/ | |
| 5038 | |
| 5039 FileExp::FileExp(Loc loc, Expression *e) | |
| 5040 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5041 { | |
| 5042 } | |
| 5043 | |
| 5044 Expression *FileExp::semantic(Scope *sc) | |
| 5045 { char *name; | |
| 5046 StringExp *se; | |
| 5047 | |
| 5048 #if LOGSEMANTIC | |
| 5049 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5050 #endif | |
| 5051 UnaExp::semantic(sc); | |
| 5052 e1 = resolveProperties(sc, e1); | |
| 5053 e1 = e1->optimize(WANTvalue); | |
| 5054 if (e1->op != TOKstring) | |
| 5055 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5056 goto Lerror; | |
| 5057 } | |
| 5058 se = (StringExp *)e1; | |
| 5059 se = se->toUTF8(sc); | |
| 5060 name = (char *)se->string; | |
| 5061 | |
| 5062 if (!global.params.fileImppath) | |
| 5063 { error("need -Jpath switch to import text file %s", name); | |
| 5064 goto Lerror; | |
| 5065 } | |
| 5066 | |
| 5067 if (name != FileName::name(name)) | |
| 5068 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5069 goto Lerror; | |
| 5070 } | |
| 5071 | |
| 5072 name = FileName::searchPath(global.filePath, name, 0); | |
| 5073 if (!name) | |
| 5074 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5075 goto Lerror; | |
| 5076 } | |
| 5077 | |
| 5078 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5079 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5080 |
| 5081 { File f(name); | |
| 5082 if (f.read()) | |
| 5083 { error("cannot read file %s", f.toChars()); | |
| 5084 goto Lerror; | |
| 5085 } | |
| 5086 else | |
| 5087 { | |
| 5088 f.ref = 1; | |
| 5089 se = new StringExp(loc, f.buffer, f.len); | |
| 5090 } | |
| 5091 } | |
| 5092 Lret: | |
| 5093 return se->semantic(sc); | |
| 5094 | |
| 5095 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5096 se = new StringExp(loc, (char *)""); |
| 159 | 5097 goto Lret; |
| 5098 } | |
| 5099 | |
| 5100 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5101 { | |
| 5102 buf->writestring("import("); | |
| 5103 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5104 buf->writeByte(')'); | |
| 5105 } | |
| 5106 | |
| 5107 /************************************************************/ | |
| 5108 | |
| 5109 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5110 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5111 { | |
| 5112 this->msg = msg; | |
| 5113 } | |
| 5114 | |
| 5115 Expression *AssertExp::syntaxCopy() | |
| 5116 { | |
| 5117 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5118 msg ? msg->syntaxCopy() : NULL); | |
| 5119 return ae; | |
| 5120 } | |
| 5121 | |
| 5122 Expression *AssertExp::semantic(Scope *sc) | |
| 5123 { | |
| 5124 #if LOGSEMANTIC | |
| 5125 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5126 #endif | |
| 5127 UnaExp::semantic(sc); | |
| 5128 e1 = resolveProperties(sc, e1); | |
| 5129 // BUG: see if we can do compile time elimination of the Assert | |
| 5130 e1 = e1->optimize(WANTvalue); | |
| 5131 e1 = e1->checkToBoolean(); | |
| 5132 if (msg) | |
| 5133 { | |
| 5134 msg = msg->semantic(sc); | |
| 5135 msg = resolveProperties(sc, msg); | |
| 5136 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5137 msg = msg->optimize(WANTvalue); | |
| 5138 } | |
| 5139 if (e1->isBool(FALSE)) | |
| 5140 { | |
| 5141 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5142 fd->hasReturnExp |= 4; | |
| 5143 | |
| 5144 if (!global.params.useAssert) | |
| 5145 { Expression *e = new HaltExp(loc); | |
| 5146 e = e->semantic(sc); | |
| 5147 return e; | |
| 5148 } | |
| 5149 } | |
| 5150 type = Type::tvoid; | |
| 5151 return this; | |
| 5152 } | |
| 5153 | |
| 5154 int AssertExp::checkSideEffect(int flag) | |
| 5155 { | |
| 5156 return 1; | |
| 5157 } | |
| 5158 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5159 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5160 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5161 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5162 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5163 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5164 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5165 |
| 159 | 5166 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5167 { | |
| 5168 buf->writestring("assert("); | |
| 5169 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5170 if (msg) | |
| 5171 { | |
| 5172 buf->writeByte(','); | |
| 5173 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5174 } | |
| 5175 buf->writeByte(')'); | |
| 5176 } | |
| 5177 | |
| 5178 /************************************************************/ | |
| 5179 | |
| 5180 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5181 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5182 { | |
| 5183 this->ident = ident; | |
| 5184 } | |
| 5185 | |
| 5186 Expression *DotIdExp::semantic(Scope *sc) | |
| 5187 { Expression *e; | |
| 5188 Expression *eleft; | |
| 5189 Expression *eright; | |
| 5190 | |
| 5191 #if LOGSEMANTIC | |
| 5192 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5193 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5194 #endif | |
| 5195 | |
| 5196 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5197 | |
| 5198 #if 0 | |
| 5199 /* Don't do semantic analysis if we'll be converting | |
| 5200 * it to a string. | |
| 5201 */ | |
| 5202 if (ident == Id::stringof) | |
| 5203 { char *s = e1->toChars(); | |
| 5204 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5205 e = e->semantic(sc); | |
| 5206 return e; | |
| 5207 } | |
| 5208 #endif | |
| 5209 | |
| 5210 /* Special case: rewrite this.id and super.id | |
| 5211 * to be classtype.id and baseclasstype.id | |
| 5212 * if we have no this pointer. | |
| 5213 */ | |
| 5214 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5215 { ClassDeclaration *cd; | |
| 5216 StructDeclaration *sd; | |
| 5217 AggregateDeclaration *ad; | |
| 5218 | |
| 5219 ad = sc->getStructClassScope(); | |
| 5220 if (ad) | |
| 5221 { | |
| 5222 cd = ad->isClassDeclaration(); | |
| 5223 if (cd) | |
| 5224 { | |
| 5225 if (e1->op == TOKthis) | |
| 5226 { | |
| 5227 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5228 return e->semantic(sc); | |
| 5229 } | |
| 5230 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5231 { | |
| 5232 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5233 return e->semantic(sc); | |
| 5234 } | |
| 5235 } | |
| 5236 else | |
| 5237 { | |
| 5238 sd = ad->isStructDeclaration(); | |
| 5239 if (sd) | |
| 5240 { | |
| 5241 if (e1->op == TOKthis) | |
| 5242 { | |
| 5243 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5244 return e->semantic(sc); | |
| 5245 } | |
| 5246 } | |
| 5247 } | |
| 5248 } | |
| 5249 } | |
| 5250 | |
| 5251 UnaExp::semantic(sc); | |
| 5252 | |
| 5253 if (e1->op == TOKdotexp) | |
| 5254 { | |
| 5255 DotExp *de = (DotExp *)e1; | |
| 5256 eleft = de->e1; | |
| 5257 eright = de->e2; | |
| 5258 } | |
| 5259 else | |
| 5260 { | |
| 5261 e1 = resolveProperties(sc, e1); | |
| 5262 eleft = NULL; | |
| 5263 eright = e1; | |
| 5264 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5265 #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
|
5266 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
|
5267 { /* '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
|
5268 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5269 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
|
5270 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
|
5271 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
|
5272 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
|
5273 { 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
|
5274 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
|
5275 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
|
5276 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
|
5277 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5278 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
|
5279 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
|
5280 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
|
5281 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5282 #endif |
| 159 | 5283 |
| 5284 if (e1->op == TOKtuple && ident == Id::length) | |
| 5285 { | |
| 5286 TupleExp *te = (TupleExp *)e1; | |
| 5287 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5288 return e; | |
| 5289 } | |
| 5290 | |
| 5291 if (eright->op == TOKimport) // also used for template alias's | |
| 5292 { | |
| 5293 ScopeExp *ie = (ScopeExp *)eright; | |
| 5294 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5295 /* 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
|
5296 * 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
|
5297 * 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
|
5298 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5299 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
|
5300 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5301 if (s) |
| 5302 { | |
| 5303 s = s->toAlias(); | |
| 5304 checkDeprecated(sc, s); | |
| 5305 | |
| 5306 EnumMember *em = s->isEnumMember(); | |
| 5307 if (em) | |
| 5308 { | |
| 5309 e = em->value; | |
| 5310 e = e->semantic(sc); | |
| 5311 return e; | |
| 5312 } | |
| 5313 | |
| 5314 VarDeclaration *v = s->isVarDeclaration(); | |
| 5315 if (v) | |
| 5316 { | |
| 5317 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5318 if (v->inuse) | |
| 5319 { | |
| 5320 error("circular reference to '%s'", v->toChars()); | |
| 5321 type = Type::tint32; | |
| 5322 return this; | |
| 5323 } | |
| 5324 type = v->type; | |
| 5325 if (v->isConst()) | |
| 5326 { | |
| 5327 if (v->init) | |
| 5328 { | |
| 5329 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5330 if (ei) | |
| 5331 { | |
| 5332 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5333 //ei->exp = ei->exp->semantic(sc); | |
| 5334 if (ei->exp->type == type) | |
| 5335 { | |
| 5336 e = ei->exp->copy(); // make copy so we can change loc | |
| 5337 e->loc = loc; | |
| 5338 return e; | |
| 5339 } | |
| 5340 } | |
| 5341 } | |
| 5342 else if (type->isscalar()) | |
| 5343 { | |
| 5344 e = type->defaultInit(); | |
| 5345 e->loc = loc; | |
| 5346 return e; | |
| 5347 } | |
| 5348 } | |
| 5349 if (v->needThis()) | |
| 5350 { | |
| 5351 if (!eleft) | |
| 5352 eleft = new ThisExp(loc); | |
| 5353 e = new DotVarExp(loc, eleft, v); | |
| 5354 e = e->semantic(sc); | |
| 5355 } | |
| 5356 else | |
| 5357 { | |
| 5358 e = new VarExp(loc, v); | |
| 5359 if (eleft) | |
| 5360 { e = new CommaExp(loc, eleft, e); | |
| 5361 e->type = v->type; | |
| 5362 } | |
| 5363 } | |
| 5364 return e->deref(); | |
| 5365 } | |
| 5366 | |
| 5367 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5368 if (f) | |
| 5369 { | |
| 5370 //printf("it's a function\n"); | |
| 5371 if (f->needThis()) | |
| 5372 { | |
| 5373 if (!eleft) | |
| 5374 eleft = new ThisExp(loc); | |
| 5375 e = new DotVarExp(loc, eleft, f); | |
| 5376 e = e->semantic(sc); | |
| 5377 } | |
| 5378 else | |
| 5379 { | |
| 5380 e = new VarExp(loc, f); | |
| 5381 if (eleft) | |
| 5382 { e = new CommaExp(loc, eleft, e); | |
| 5383 e->type = f->type; | |
| 5384 } | |
| 5385 } | |
| 5386 return e; | |
| 5387 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5388 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5389 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5390 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5391 { //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
|
5392 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5393 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5394 #endif |
| 159 | 5395 |
| 5396 Type *t = s->getType(); | |
| 5397 if (t) | |
| 5398 { | |
| 5399 return new TypeExp(loc, t); | |
| 5400 } | |
| 5401 | |
| 336 | 5402 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5403 if (tup) | |
| 5404 { | |
| 5405 if (eleft) | |
| 5406 error("cannot have e.tuple"); | |
| 5407 e = new TupleExp(loc, tup); | |
| 5408 e = e->semantic(sc); | |
| 5409 return e; | |
| 5410 } | |
| 5411 | |
| 159 | 5412 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5413 if (sds) | |
| 5414 { | |
| 5415 //printf("it's a ScopeDsymbol\n"); | |
| 5416 e = new ScopeExp(loc, sds); | |
| 5417 e = e->semantic(sc); | |
| 5418 if (eleft) | |
| 5419 e = new DotExp(loc, eleft, e); | |
| 5420 return e; | |
| 5421 } | |
| 5422 | |
| 5423 Import *imp = s->isImport(); | |
| 5424 if (imp) | |
| 5425 { | |
| 5426 ScopeExp *ie; | |
| 5427 | |
| 5428 ie = new ScopeExp(loc, imp->pkg); | |
| 5429 return ie->semantic(sc); | |
| 5430 } | |
| 5431 | |
| 5432 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5433 #ifdef DEBUG | |
| 5434 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5435 #endif | |
| 5436 assert(0); | |
| 5437 } | |
| 5438 else if (ident == Id::stringof) | |
| 5439 { char *s = ie->toChars(); | |
| 5440 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5441 e = e->semantic(sc); | |
| 5442 return e; | |
| 5443 } | |
| 5444 error("undefined identifier %s", toChars()); | |
| 5445 type = Type::tvoid; | |
| 5446 return this; | |
| 5447 } | |
| 5448 else if (e1->type->ty == Tpointer && | |
| 5449 ident != Id::init && ident != Id::__sizeof && | |
| 5450 ident != Id::alignof && ident != Id::offsetof && | |
| 5451 ident != Id::mangleof && ident != Id::stringof) | |
| 5452 { | |
| 5453 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
|
5454 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5455 return e->type->dotExp(sc, e, ident); |
| 5456 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5457 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5458 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5459 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5460 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5461 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5462 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5463 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5464 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5465 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5466 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5467 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5468 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5469 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5470 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
|
5471 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5472 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5473 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
|
5474 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5475 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5476 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5477 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5478 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5479 #endif |
| 159 | 5480 else |
| 5481 { | |
| 5482 e = e1->type->dotExp(sc, e1, ident); | |
| 5483 e = e->semantic(sc); | |
| 5484 return e; | |
| 5485 } | |
| 5486 } | |
| 5487 | |
| 5488 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5489 { | |
| 5490 //printf("DotIdExp::toCBuffer()\n"); | |
| 5491 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5492 buf->writeByte('.'); | |
| 5493 buf->writestring(ident->toChars()); | |
| 5494 } | |
| 5495 | |
| 5496 /********************** DotTemplateExp ***********************************/ | |
| 5497 | |
| 5498 // Mainly just a placeholder | |
| 5499 | |
| 5500 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5501 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5502 | |
| 5503 { | |
| 5504 this->td = td; | |
| 5505 } | |
| 5506 | |
| 5507 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5508 { | |
| 5509 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5510 buf->writeByte('.'); | |
| 5511 buf->writestring(td->toChars()); | |
| 5512 } | |
| 5513 | |
| 5514 | |
| 5515 /************************************************************/ | |
| 5516 | |
| 5517 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5518 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5519 { | |
| 5520 //printf("DotVarExp()\n"); | |
| 5521 this->var = v; | |
| 5522 } | |
| 5523 | |
| 5524 Expression *DotVarExp::semantic(Scope *sc) | |
| 5525 { | |
| 5526 #if LOGSEMANTIC | |
| 5527 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5528 #endif | |
| 5529 if (!type) | |
| 5530 { | |
| 5531 var = var->toAlias()->isDeclaration(); | |
| 5532 | |
| 5533 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5534 if (tup) | |
| 5535 { /* Replace: | |
| 5536 * e1.tuple(a, b, c) | |
| 5537 * with: | |
| 5538 * tuple(e1.a, e1.b, e1.c) | |
| 5539 */ | |
| 5540 Expressions *exps = new Expressions; | |
| 5541 | |
| 5542 exps->reserve(tup->objects->dim); | |
| 5543 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5544 { Object *o = (Object *)tup->objects->data[i]; | |
| 5545 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5546 { | |
| 5547 error("%s is not an expression", o->toChars()); | |
| 5548 } | |
| 5549 else | |
| 5550 { | |
| 5551 Expression *e = (Expression *)o; | |
| 5552 if (e->op != TOKdsymbol) | |
| 5553 error("%s is not a member", e->toChars()); | |
| 5554 else | |
| 5555 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5556 | |
| 5557 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5558 exps->push(e); | |
| 5559 } | |
| 5560 } | |
| 5561 } | |
| 5562 Expression *e = new TupleExp(loc, exps); | |
| 5563 e = e->semantic(sc); | |
| 5564 return e; | |
| 5565 } | |
| 5566 | |
| 5567 e1 = e1->semantic(sc); | |
| 5568 type = var->type; | |
| 5569 if (!type && global.errors) | |
| 5570 { // var is goofed up, just return 0 | |
| 5571 return new IntegerExp(0); | |
| 5572 } | |
| 5573 assert(type); | |
| 5574 | |
| 5575 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5576 { | |
| 5577 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5578 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5579 if (!sc->noaccesscheck) | |
| 5580 accessCheck(loc, sc, e1, var); | |
| 5581 | |
| 5582 VarDeclaration *v = var->isVarDeclaration(); | |
| 5583 if (v && v->isConst()) | |
| 5584 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5585 if (ei) | |
| 5586 { Expression *e = ei->exp->copy(); | |
| 5587 e = e->semantic(sc); | |
| 5588 return e; | |
| 159 | 5589 } |
| 5590 } | |
| 5591 } | |
| 5592 } | |
| 5593 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5594 return this; | |
| 5595 } | |
| 5596 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5597 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5598 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5599 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5600 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5601 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5602 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5603 |
| 159 | 5604 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5605 { | |
| 5606 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5607 return this; | |
| 5608 } | |
| 5609 | |
| 5610 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5611 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5612 #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
|
5613 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
|
5614 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
|
5615 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
|
5616 #endif |
| 159 | 5617 |
| 5618 if (var->isCtorinit()) | |
| 5619 { // It's only modifiable if inside the right constructor | |
| 5620 Dsymbol *s = sc->func; | |
| 5621 while (1) | |
| 5622 { | |
| 5623 FuncDeclaration *fd = NULL; | |
| 5624 if (s) | |
| 5625 fd = s->isFuncDeclaration(); | |
| 5626 if (fd && | |
| 5627 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5628 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5629 fd->toParent() == var->toParent() && | |
| 5630 e1->op == TOKthis | |
| 5631 ) | |
| 5632 { | |
| 5633 VarDeclaration *v = var->isVarDeclaration(); | |
| 5634 assert(v); | |
| 5635 v->ctorinit = 1; | |
| 5636 //printf("setting ctorinit\n"); | |
| 5637 } | |
| 5638 else | |
| 5639 { | |
| 5640 if (s) | |
| 5641 { s = s->toParent2(); | |
| 5642 continue; | |
| 5643 } | |
| 5644 else | |
| 5645 { | |
| 5646 const char *p = var->isStatic() ? "static " : ""; | |
| 5647 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5648 p, var->toChars(), p); | |
| 5649 } | |
| 5650 } | |
| 5651 break; | |
| 5652 } | |
| 5653 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5654 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5655 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5656 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5657 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5658 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5659 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5660 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5661 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5662 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5663 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5664 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5665 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5666 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5667 #endif |
| 159 | 5668 return this; |
| 5669 } | |
| 5670 | |
| 5671 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5672 { | |
| 5673 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5674 buf->writeByte('.'); | |
| 5675 buf->writestring(var->toChars()); | |
| 5676 } | |
| 5677 | |
| 5678 /************************************************************/ | |
| 5679 | |
| 5680 /* Things like: | |
| 5681 * foo.bar!(args) | |
| 5682 */ | |
| 5683 | |
| 5684 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5685 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5686 { | |
| 5687 //printf("DotTemplateInstanceExp()\n"); | |
| 5688 this->ti = ti; | |
| 5689 } | |
| 5690 | |
| 5691 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5692 { | |
| 5693 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5694 e1->syntaxCopy(), | |
| 5695 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5696 return de; | |
| 5697 } | |
| 5698 | |
| 5699 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5700 { Dsymbol *s; | |
| 5701 Dsymbol *s2; | |
| 5702 TemplateDeclaration *td; | |
| 5703 Expression *e; | |
| 5704 Identifier *id; | |
| 5705 Type *t1; | |
| 5706 Expression *eleft = NULL; | |
| 5707 Expression *eright; | |
| 5708 | |
| 5709 #if LOGSEMANTIC | |
| 5710 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5711 #endif | |
| 5712 //e1->print(); | |
| 5713 //print(); | |
| 5714 e1 = e1->semantic(sc); | |
| 5715 t1 = e1->type; | |
| 5716 if (t1) | |
| 5717 t1 = t1->toBasetype(); | |
| 5718 //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
|
5719 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5720 /* 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
|
5721 * 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
|
5722 * 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
|
5723 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5724 |
| 159 | 5725 if (e1->op == TOKdotexp) |
| 5726 { DotExp *de = (DotExp *)e1; | |
| 5727 eleft = de->e1; | |
| 5728 eright = de->e2; | |
| 5729 } | |
| 5730 else | |
| 5731 { eleft = NULL; | |
| 5732 eright = e1; | |
| 5733 } | |
| 5734 if (eright->op == TOKimport) | |
| 5735 { | |
| 5736 s = ((ScopeExp *)eright)->sds; | |
| 5737 } | |
| 5738 else if (e1->op == TOKtype) | |
| 5739 { | |
| 5740 s = t1->isClassHandle(); | |
| 5741 if (!s) | |
| 5742 { if (t1->ty == Tstruct) | |
| 5743 s = ((TypeStruct *)t1)->sym; | |
| 5744 else | |
| 5745 goto L1; | |
| 5746 } | |
| 5747 } | |
| 5748 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5749 { | |
| 5750 s = t1->toDsymbol(sc); | |
| 5751 eleft = e1; | |
| 5752 } | |
| 5753 else if (t1 && t1->ty == Tpointer) | |
| 5754 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5755 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5756 if (t1->ty != Tstruct) |
| 5757 goto L1; | |
| 5758 s = t1->toDsymbol(sc); | |
| 5759 eleft = e1; | |
| 5760 } | |
| 5761 else | |
| 5762 { | |
| 5763 L1: | |
| 5764 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5765 goto Lerr; | |
| 5766 } | |
| 5767 | |
| 5768 assert(s); | |
| 5769 id = ti->name; | |
| 5770 s2 = s->search(loc, id, 0); | |
| 5771 if (!s2) | |
| 5772 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5773 goto Lerr; | |
| 5774 } | |
| 5775 s = s2; | |
| 5776 s->semantic(sc); | |
| 5777 s = s->toAlias(); | |
| 5778 td = s->isTemplateDeclaration(); | |
| 5779 if (!td) | |
| 5780 { | |
| 5781 error("%s is not a template", id->toChars()); | |
| 5782 goto Lerr; | |
| 5783 } | |
| 5784 if (global.errors) | |
| 5785 goto Lerr; | |
| 5786 | |
| 5787 ti->tempdecl = td; | |
| 5788 | |
| 5789 if (eleft) | |
| 5790 { Declaration *v; | |
| 5791 | |
| 5792 ti->semantic(sc); | |
| 5793 s = ti->inst->toAlias(); | |
| 5794 v = s->isDeclaration(); | |
| 5795 if (v) | |
| 5796 { e = new DotVarExp(loc, eleft, v); | |
| 5797 e = e->semantic(sc); | |
| 5798 return e; | |
| 5799 } | |
| 5800 } | |
| 5801 | |
| 5802 e = new ScopeExp(loc, ti); | |
| 5803 if (eleft) | |
| 5804 { | |
| 5805 e = new DotExp(loc, eleft, e); | |
| 5806 } | |
| 5807 e = e->semantic(sc); | |
| 5808 return e; | |
| 5809 | |
| 5810 Lerr: | |
| 336 | 5811 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5812 } |
| 5813 | |
| 5814 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5815 { | |
| 5816 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5817 buf->writeByte('.'); | |
| 5818 ti->toCBuffer(buf, hgs); | |
| 5819 } | |
| 5820 | |
| 5821 /************************************************************/ | |
| 5822 | |
| 5823 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5824 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5825 { | |
| 5826 this->func = f; | |
| 5827 } | |
| 5828 | |
| 5829 Expression *DelegateExp::semantic(Scope *sc) | |
| 5830 { | |
| 5831 #if LOGSEMANTIC | |
| 5832 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5833 #endif | |
| 5834 if (!type) | |
| 5835 { | |
| 5836 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5837 // 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
|
5838 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5839 type = type->semantic(loc, sc); |
| 5840 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5841 if (func->needThis()) |
| 5842 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5843 } |
| 5844 return this; | |
| 5845 } | |
| 5846 | |
| 5847 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5848 { | |
| 5849 buf->writeByte('&'); | |
| 5850 if (!func->isNested()) | |
| 5851 { | |
| 5852 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5853 buf->writeByte('.'); | |
| 5854 } | |
| 5855 buf->writestring(func->toChars()); | |
| 5856 } | |
| 5857 | |
| 5858 /************************************************************/ | |
| 5859 | |
| 5860 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5861 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5862 { | |
| 5863 this->sym = s; | |
| 5864 this->type = s->getType(); | |
| 5865 } | |
| 5866 | |
| 5867 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5868 { | |
| 5869 #if LOGSEMANTIC | |
| 5870 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5871 #endif | |
| 5872 UnaExp::semantic(sc); | |
| 5873 return this; | |
| 5874 } | |
| 5875 | |
| 5876 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5877 { | |
| 5878 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5879 buf->writeByte('.'); | |
| 5880 buf->writestring(sym->toChars()); | |
| 5881 } | |
| 5882 | |
| 5883 /************************************************************/ | |
| 5884 | |
| 5885 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5886 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5887 { | |
| 5888 this->arguments = exps; | |
| 5889 } | |
| 5890 | |
| 5891 CallExp::CallExp(Loc loc, Expression *e) | |
| 5892 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5893 { | |
| 5894 this->arguments = NULL; | |
| 5895 } | |
| 5896 | |
| 5897 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5898 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5899 { | |
| 5900 Expressions *arguments = new Expressions(); | |
| 5901 arguments->setDim(1); | |
| 5902 arguments->data[0] = (void *)earg1; | |
| 5903 | |
| 5904 this->arguments = arguments; | |
| 5905 } | |
| 5906 | |
| 5907 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5908 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5909 { | |
| 5910 Expressions *arguments = new Expressions(); | |
| 5911 arguments->setDim(2); | |
| 5912 arguments->data[0] = (void *)earg1; | |
| 5913 arguments->data[1] = (void *)earg2; | |
| 5914 | |
| 5915 this->arguments = arguments; | |
| 5916 } | |
| 5917 | |
| 5918 Expression *CallExp::syntaxCopy() | |
| 5919 { | |
| 5920 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5921 } | |
| 5922 | |
| 5923 | |
| 5924 Expression *CallExp::semantic(Scope *sc) | |
| 5925 { | |
| 5926 TypeFunction *tf; | |
| 5927 FuncDeclaration *f; | |
| 5928 int i; | |
| 5929 Type *t1; | |
| 5930 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
|
5931 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5932 |
| 5933 #if LOGSEMANTIC | |
| 5934 printf("CallExp::semantic() %s\n", toChars()); | |
| 5935 #endif | |
| 5936 if (type) | |
| 5937 return this; // semantic() already run | |
| 5938 #if 0 | |
| 5939 if (arguments && arguments->dim) | |
| 5940 { | |
| 5941 Expression *earg = (Expression *)arguments->data[0]; | |
| 5942 earg->print(); | |
| 5943 if (earg->type) earg->type->print(); | |
| 5944 } | |
| 5945 #endif | |
| 5946 | |
| 5947 if (e1->op == TOKdelegate) | |
| 5948 { DelegateExp *de = (DelegateExp *)e1; | |
| 5949 | |
| 5950 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5951 return semantic(sc); | |
| 5952 } | |
| 5953 | |
| 5954 /* Transform: | |
| 5955 * array.id(args) into id(array,args) | |
| 5956 * aa.remove(arg) into delete aa[arg] | |
| 5957 */ | |
| 5958 if (e1->op == TOKdot) | |
| 5959 { | |
| 5960 // BUG: we should handle array.a.b.c.e(args) too | |
| 5961 | |
| 5962 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5963 dotid->e1 = dotid->e1->semantic(sc); | |
| 5964 assert(dotid->e1); | |
| 5965 if (dotid->e1->type) | |
| 5966 { | |
| 5967 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5968 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5969 { | |
| 5970 if (!arguments || arguments->dim != 1) | |
| 5971 { error("expected key as argument to aa.remove()"); | |
| 5972 goto Lagain; | |
| 5973 } | |
| 5974 Expression *key = (Expression *)arguments->data[0]; | |
| 5975 key = key->semantic(sc); | |
| 5976 key = resolveProperties(sc, key); | |
| 5977 key->rvalue(); | |
| 5978 | |
| 5979 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 5980 key = key->implicitCastTo(sc, taa->index); | |
| 5981 key = key->implicitCastTo(sc, taa->key); | |
| 5982 | |
| 5983 return new RemoveExp(loc, dotid->e1, key); | |
| 5984 } | |
| 5985 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 5986 { | |
| 5987 if (!arguments) | |
| 5988 arguments = new Expressions(); | |
| 5989 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5990 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5991 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
|
5992 #else |
| 159 | 5993 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
|
5994 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5995 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5996 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5997 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5998 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5999 #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
|
6000 /* 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
|
6001 * 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
|
6002 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6003 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
|
6004 { 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
|
6005 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
|
6006 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
|
6007 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6008 /* 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
|
6009 * 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
|
6010 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6011 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
|
6012 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
|
6013 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
|
6014 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
|
6015 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
|
6016 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
|
6017 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6018 /* 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
|
6019 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6020 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
|
6021 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
|
6022 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
|
6023 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6024 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6025 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6026 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6027 /* 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
|
6028 * 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
|
6029 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6030 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
|
6031 { 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
|
6032 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
|
6033 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
|
6034 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6035 /* 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
|
6036 * 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
|
6037 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6038 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
|
6039 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
|
6040 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
|
6041 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
|
6042 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
|
6043 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
|
6044 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
|
6045 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6046 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
|
6047 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
|
6048 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
|
6049 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6050 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6051 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
|
6052 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6053 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6054 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6055 |
| 159 | 6056 istemp = 0; |
| 6057 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
|
6058 //printf("Lagain: %s\n", toChars()); |
| 159 | 6059 f = NULL; |
| 6060 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6061 { | |
| 6062 // semantic() run later for these | |
| 6063 } | |
| 6064 else | |
| 6065 { | |
| 6066 UnaExp::semantic(sc); | |
| 6067 | |
| 6068 /* Look for e1 being a lazy parameter | |
| 6069 */ | |
| 6070 if (e1->op == TOKvar) | |
| 6071 { VarExp *ve = (VarExp *)e1; | |
| 6072 | |
| 6073 if (ve->var->storage_class & STClazy) | |
| 6074 { | |
| 6075 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6076 TypeDelegate *t = new TypeDelegate(tf); | |
| 6077 ve->type = t->semantic(loc, sc); | |
| 6078 } | |
| 6079 } | |
| 6080 | |
| 6081 if (e1->op == TOKimport) | |
| 6082 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6083 ScopeExp *se = (ScopeExp *)e1; | |
| 6084 e1 = new DsymbolExp(loc, se->sds); | |
| 6085 e1 = e1->semantic(sc); | |
| 6086 } | |
| 6087 #if 1 // patch for #540 by Oskar Linde | |
| 6088 else if (e1->op == TOKdotexp) | |
| 6089 { | |
| 6090 DotExp *de = (DotExp *) e1; | |
| 6091 | |
| 6092 if (de->e2->op == TOKimport) | |
| 6093 { // This should *really* be moved to ScopeExp::semantic() | |
| 6094 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6095 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6096 de->e2 = de->e2->semantic(sc); | |
| 6097 } | |
| 6098 | |
| 6099 if (de->e2->op == TOKtemplate) | |
| 6100 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6101 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6102 } | |
| 6103 } | |
| 6104 #endif | |
| 6105 } | |
| 6106 | |
| 6107 if (e1->op == TOKcomma) | |
| 6108 { | |
| 6109 CommaExp *ce = (CommaExp *)e1; | |
| 6110 | |
| 6111 e1 = ce->e2; | |
| 6112 e1->type = ce->type; | |
| 6113 ce->e2 = this; | |
| 6114 ce->type = NULL; | |
| 6115 return ce->semantic(sc); | |
| 6116 } | |
| 6117 | |
| 6118 t1 = NULL; | |
| 6119 if (e1->type) | |
| 6120 t1 = e1->type->toBasetype(); | |
| 6121 | |
| 6122 // Check for call operator overload | |
| 6123 if (t1) | |
| 6124 { AggregateDeclaration *ad; | |
| 6125 | |
| 6126 if (t1->ty == Tstruct) | |
| 6127 { | |
| 6128 ad = ((TypeStruct *)t1)->sym; | |
| 6129 if (search_function(ad, Id::call)) | |
| 6130 goto L1; // overload of opCall, therefore it's a call | |
| 6131 | |
| 6132 if (e1->op != TOKtype) | |
| 6133 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6134 /* It's a struct literal | |
| 6135 */ | |
| 6136 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6137 e = e->semantic(sc); | |
| 6138 e->type = e1->type; // in case e1->type was a typedef | |
| 6139 return e; | |
| 6140 } | |
| 6141 else if (t1->ty == Tclass) | |
| 6142 { | |
| 6143 ad = ((TypeClass *)t1)->sym; | |
| 6144 goto L1; | |
| 6145 L1: | |
| 6146 // Rewrite as e1.call(arguments) | |
| 6147 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6148 e = new CallExp(loc, e, arguments); | |
| 6149 e = e->semantic(sc); | |
| 6150 return e; | |
| 6151 } | |
| 6152 } | |
| 6153 | |
| 6154 arrayExpressionSemantic(arguments, sc); | |
| 6155 preFunctionArguments(loc, sc, arguments); | |
| 6156 | |
| 6157 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6158 e1->op == TOKdottd) | |
| 6159 { | |
| 6160 DotVarExp *dve; | |
| 6161 DotTemplateExp *dte; | |
| 6162 AggregateDeclaration *ad; | |
| 6163 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6164 |
| 159 | 6165 if (e1->op == TOKdotvar) |
| 6166 { // Do overload resolution | |
| 6167 dve = (DotVarExp *)(e1); | |
| 6168 | |
| 6169 f = dve->var->isFuncDeclaration(); | |
| 6170 assert(f); | |
| 6171 f = f->overloadResolve(loc, arguments); | |
| 6172 | |
| 6173 ad = f->toParent()->isAggregateDeclaration(); | |
| 6174 } | |
| 6175 else | |
| 6176 { dte = (DotTemplateExp *)(e1); | |
| 6177 TemplateDeclaration *td = dte->td; | |
| 6178 assert(td); | |
| 6179 if (!arguments) | |
| 6180 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6181 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6182 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6183 if (!f) |
| 6184 { type = Type::terror; | |
| 6185 return this; | |
| 6186 } | |
| 6187 ad = td->toParent()->isAggregateDeclaration(); | |
| 6188 } | |
| 336 | 6189 if (f->needThis()) |
| 6190 { | |
| 6191 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6192 } | |
| 6193 | |
| 6194 /* Cannot call public functions from inside invariant | |
| 6195 * (because then the invariant would have infinite recursion) | |
| 159 | 6196 */ |
| 336 | 6197 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6198 ue->e1->op == TOKthis && | |
| 6199 f->addPostInvariant() | |
| 159 | 6200 ) |
| 6201 { | |
| 336 | 6202 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6203 } |
| 6204 | |
| 6205 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6206 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6207 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6208 #endif |
| 159 | 6209 accessCheck(loc, sc, ue->e1, f); |
| 6210 if (!f->needThis()) | |
| 6211 { | |
| 6212 VarExp *ve = new VarExp(loc, f); | |
| 6213 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6214 e1->type = f->type; | |
| 6215 } | |
| 6216 else | |
| 6217 { | |
| 6218 if (e1->op == TOKdotvar) | |
| 6219 dve->var = f; | |
| 6220 else | |
| 6221 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6222 e1->type = f->type; | |
| 6223 | |
| 6224 // See if we need to adjust the 'this' pointer | |
| 6225 AggregateDeclaration *ad = f->isThis(); | |
| 6226 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6227 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6228 ue->e1->op != TOKsuper) | |
| 6229 { | |
| 6230 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6231 ue->e1 = ue->e1->semantic(sc); | |
| 6232 } | |
| 6233 } | |
| 6234 t1 = e1->type; | |
| 6235 } | |
| 6236 else if (e1->op == TOKsuper) | |
| 6237 { | |
| 6238 // Base class constructor call | |
| 6239 ClassDeclaration *cd = NULL; | |
| 6240 | |
| 6241 if (sc->func) | |
| 6242 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6243 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6244 { | |
| 6245 error("super class constructor call must be in a constructor"); | |
| 6246 type = Type::terror; | |
| 6247 return this; | |
| 6248 } | |
| 6249 else | |
| 6250 { | |
| 6251 f = cd->baseClass->ctor; | |
| 6252 if (!f) | |
| 6253 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6254 type = Type::terror; | |
| 6255 return this; | |
| 6256 } | |
| 6257 else | |
| 6258 { | |
| 336 | 6259 if (!sc->intypeof) |
| 6260 { | |
| 159 | 6261 #if 0 |
| 336 | 6262 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6263 error("reference to this before super()"); | |
| 159 | 6264 #endif |
| 336 | 6265 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6266 error("constructor calls not allowed in loops or after labels"); | |
| 6267 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6268 error("multiple constructor calls"); | |
| 6269 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6270 } | |
| 159 | 6271 |
| 6272 f = f->overloadResolve(loc, arguments); | |
| 6273 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6274 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6275 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6276 #endif |
| 159 | 6277 e1 = new DotVarExp(e1->loc, e1, f); |
| 6278 e1 = e1->semantic(sc); | |
| 6279 t1 = e1->type; | |
| 6280 } | |
| 6281 } | |
| 6282 } | |
| 6283 else if (e1->op == TOKthis) | |
| 6284 { | |
| 6285 // same class constructor call | |
| 6286 ClassDeclaration *cd = NULL; | |
| 6287 | |
| 6288 if (sc->func) | |
| 6289 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6290 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6291 { | |
| 6292 error("class constructor call must be in a constructor"); | |
| 6293 type = Type::terror; | |
| 6294 return this; | |
| 6295 } | |
| 6296 else | |
| 6297 { | |
| 336 | 6298 if (!sc->intypeof) |
| 6299 { | |
| 159 | 6300 #if 0 |
| 336 | 6301 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6302 error("reference to this before super()"); | |
| 159 | 6303 #endif |
| 336 | 6304 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6305 error("constructor calls not allowed in loops or after labels"); | |
| 6306 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6307 error("multiple constructor calls"); | |
| 6308 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6309 } | |
| 159 | 6310 |
| 6311 f = cd->ctor; | |
| 6312 f = f->overloadResolve(loc, arguments); | |
| 6313 checkDeprecated(sc, f); | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
6314 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6315 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
6316 #endif |
| 159 | 6317 e1 = new DotVarExp(e1->loc, e1, f); |
| 6318 e1 = e1->semantic(sc); | |
| 6319 t1 = e1->type; | |
| 6320 | |
| 6321 // BUG: this should really be done by checking the static | |
| 6322 // call graph | |
| 6323 if (f == sc->func) | |
| 6324 error("cyclic constructor call"); | |
| 6325 } | |
| 6326 } | |
| 6327 else if (!t1) | |
| 6328 { | |
| 6329 error("function expected before (), not '%s'", e1->toChars()); | |
| 6330 type = Type::terror; | |
| 6331 return this; | |
| 6332 } | |
| 6333 else if (t1->ty != Tfunction) | |
| 6334 { | |
| 6335 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
|
6336 { 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
|
6337 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
|
6338 tf = (TypeFunction *)(td->next); |
| 159 | 6339 goto Lcheckargs; |
| 6340 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6341 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6342 { Expression *e; |
| 6343 | |
| 6344 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
|
6345 t1 = ((TypePointer *)t1)->next; |
| 159 | 6346 e->type = t1; |
| 6347 e1 = e; | |
| 6348 } | |
| 6349 else if (e1->op == TOKtemplate) | |
| 6350 { | |
| 6351 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6352 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6353 if (!f) |
| 6354 { type = Type::terror; | |
| 6355 return this; | |
| 6356 } | |
| 6357 if (f->needThis() && hasThis(sc)) | |
| 6358 { | |
| 6359 // Supply an implicit 'this', as in | |
| 6360 // this.ident | |
| 6361 | |
| 6362 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6363 goto Lagain; | |
| 6364 } | |
| 6365 | |
| 6366 e1 = new VarExp(loc, f); | |
| 6367 goto Lagain; | |
| 6368 } | |
| 6369 else | |
| 6370 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6371 type = Type::terror; | |
| 6372 return this; | |
| 6373 } | |
| 6374 } | |
| 6375 else if (e1->op == TOKvar) | |
| 6376 { | |
| 6377 // Do overload resolution | |
| 6378 VarExp *ve = (VarExp *)e1; | |
| 6379 | |
| 6380 f = ve->var->isFuncDeclaration(); | |
| 6381 assert(f); | |
| 6382 | |
| 6383 // Look to see if f is really a function template | |
| 6384 if (0 && !istemp && f->parent) | |
| 6385 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6386 | |
| 6387 if (ti && | |
| 6388 (ti->name == f->ident || | |
| 6389 ti->toAlias()->ident == f->ident) | |
| 6390 && | |
| 6391 ti->tempdecl) | |
| 6392 { | |
| 6393 /* This is so that one can refer to the enclosing | |
| 6394 * template, even if it has the same name as a member | |
| 6395 * of the template, if it has a !(arguments) | |
| 6396 */ | |
| 6397 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6398 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6399 tempdecl = tempdecl->overroot; // then get the start | |
| 6400 e1 = new TemplateExp(loc, tempdecl); | |
| 6401 istemp = 1; | |
| 6402 goto Lagain; | |
| 6403 } | |
| 6404 } | |
| 6405 | |
| 6406 f = f->overloadResolve(loc, arguments); | |
| 6407 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6408 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6409 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6410 #endif |
| 159 | 6411 |
| 6412 if (f->needThis() && hasThis(sc)) | |
| 6413 { | |
| 6414 // Supply an implicit 'this', as in | |
| 6415 // this.ident | |
| 6416 | |
| 6417 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6418 goto Lagain; | |
| 6419 } | |
| 6420 | |
| 6421 accessCheck(loc, sc, NULL, f); | |
| 6422 | |
| 6423 ve->var = f; | |
| 6424 ve->type = f->type; | |
| 6425 t1 = f->type; | |
| 6426 } | |
| 6427 assert(t1->ty == Tfunction); | |
| 6428 tf = (TypeFunction *)(t1); | |
| 6429 | |
| 6430 Lcheckargs: | |
| 6431 assert(tf->ty == Tfunction); | |
| 6432 type = tf->next; | |
| 6433 | |
| 6434 if (!arguments) | |
| 6435 arguments = new Expressions(); | |
| 6436 functionArguments(loc, sc, tf, arguments); | |
| 6437 | |
| 6438 assert(type); | |
| 6439 | |
| 6440 if (f && f->tintro) | |
| 6441 { | |
| 6442 Type *t = type; | |
| 6443 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
|
6444 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
|
6445 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6446 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
|
6447 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6448 type = tf->next; |
| 159 | 6449 return castTo(sc, t); |
| 6450 } | |
| 6451 } | |
| 6452 | |
| 6453 return this; | |
| 6454 } | |
| 6455 | |
| 6456 int CallExp::checkSideEffect(int flag) | |
| 6457 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6458 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6459 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6460 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6461 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6462 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6463 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6464 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6465 /* 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
|
6466 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6467 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
|
6468 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6469 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6470 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6471 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6472 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6473 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6474 /* 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
|
6475 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6476 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6477 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6478 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6479 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6480 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
|
6481 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6482 #endif |
| 159 | 6483 return 1; |
| 6484 } | |
| 6485 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6486 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6487 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 /* 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
|
6493 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 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
|
6495 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 /* 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
|
6502 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 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
|
6509 return 0; |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6512 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6513 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6523 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 |
| 159 | 6527 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6528 { | |
| 6529 if (type->toBasetype()->ty == Tstruct) | |
| 6530 return this; | |
| 6531 else | |
| 6532 return Expression::toLvalue(sc, e); | |
| 6533 } | |
| 6534 | |
| 6535 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6536 { int i; | |
| 6537 | |
| 6538 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6539 buf->writeByte('('); | |
| 6540 argsToCBuffer(buf, arguments, hgs); | |
| 6541 buf->writeByte(')'); | |
| 6542 } | |
| 6543 | |
| 6544 | |
| 6545 /************************************************************/ | |
| 6546 | |
| 6547 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6548 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6549 { | |
| 6550 } | |
| 6551 | |
| 6552 Expression *AddrExp::semantic(Scope *sc) | |
| 6553 { | |
| 6554 #if LOGSEMANTIC | |
| 6555 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6556 #endif | |
| 6557 if (!type) | |
| 6558 { | |
| 6559 UnaExp::semantic(sc); | |
| 6560 e1 = e1->toLvalue(sc, NULL); | |
| 6561 if (!e1->type) | |
| 6562 { | |
| 6563 error("cannot take address of %s", e1->toChars()); | |
| 6564 type = Type::tint32; | |
| 6565 return this; | |
| 6566 } | |
| 6567 type = e1->type->pointerTo(); | |
| 6568 | |
| 6569 // See if this should really be a delegate | |
| 6570 if (e1->op == TOKdotvar) | |
| 6571 { | |
| 6572 DotVarExp *dve = (DotVarExp *)e1; | |
| 6573 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6574 | |
| 6575 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
|
6576 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6577 e = e->semantic(sc); |
| 6578 return e; | |
| 6579 } | |
| 6580 } | |
| 6581 else if (e1->op == TOKvar) | |
| 6582 { | |
| 6583 VarExp *dve = (VarExp *)e1; | |
| 6584 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6585 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6586 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6587 // 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
|
6588 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
|
6589 { |
|
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
|
6590 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
|
6591 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
|
6592 } |
|
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
|
6593 |
| 159 | 6594 if (f && f->isNested()) |
| 6595 { Expression *e; | |
| 6596 | |
| 6597 e = new DelegateExp(loc, e1, f); | |
| 6598 e = e->semantic(sc); | |
| 6599 return e; | |
| 6600 } | |
| 6601 } | |
| 6602 else if (e1->op == TOKarray) | |
| 6603 { | |
| 6604 if (e1->type->toBasetype()->ty == Tbit) | |
| 6605 error("cannot take address of bit in array"); | |
| 6606 } | |
| 6607 return optimize(WANTvalue); | |
| 6608 } | |
| 6609 return this; | |
| 6610 } | |
| 6611 | |
| 6612 /************************************************************/ | |
| 6613 | |
| 6614 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6615 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6616 { | |
| 6617 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
|
6618 type = ((TypePointer *)e->type)->next; |
| 159 | 6619 } |
| 6620 | |
| 6621 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6622 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6623 { | |
| 6624 type = t; | |
| 6625 } | |
| 6626 | |
| 6627 Expression *PtrExp::semantic(Scope *sc) | |
| 6628 { Type *tb; | |
| 6629 | |
| 6630 #if LOGSEMANTIC | |
| 6631 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6632 #endif | |
| 6633 UnaExp::semantic(sc); | |
| 6634 e1 = resolveProperties(sc, e1); | |
| 6635 if (type) | |
| 6636 return this; | |
| 6637 if (!e1->type) | |
| 6638 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6639 tb = e1->type->toBasetype(); | |
| 6640 switch (tb->ty) | |
| 6641 { | |
| 6642 case Tpointer: | |
| 6643 type = tb->next; | |
| 6644 if (type->isbit()) | |
| 6645 { Expression *e; | |
| 6646 | |
| 6647 // Rewrite *p as p[0] | |
| 6648 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6649 return e->semantic(sc); | |
| 6650 } | |
| 6651 break; | |
| 6652 | |
| 6653 case Tsarray: | |
| 6654 case Tarray: | |
| 6655 type = tb->next; | |
| 6656 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6657 break; | |
| 6658 | |
| 6659 default: | |
| 6660 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6661 type = Type::tint32; | |
| 6662 break; | |
| 6663 } | |
| 6664 rvalue(); | |
| 6665 return this; | |
| 6666 } | |
| 6667 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6668 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6669 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6670 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6671 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6672 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6673 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6674 |
| 159 | 6675 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6676 { | |
| 6677 #if 0 | |
| 6678 tym = tybasic(e1->ET->Tty); | |
| 6679 if (!(tyscalar(tym) || | |
| 6680 tym == TYstruct || | |
| 6681 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6682 synerr(EM_lvalue); // lvalue expected | |
| 6683 #endif | |
| 6684 return this; | |
| 6685 } | |
| 6686 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6687 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6688 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6689 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6690 //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
|
6691 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6692 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6693 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6694 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6695 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6696 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6697 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6698 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 |
| 159 | 6702 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6703 { | |
| 6704 buf->writeByte('*'); | |
| 6705 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6706 } | |
| 6707 | |
| 6708 /************************************************************/ | |
| 6709 | |
| 6710 NegExp::NegExp(Loc loc, Expression *e) | |
| 6711 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6712 { | |
| 6713 } | |
| 6714 | |
| 6715 Expression *NegExp::semantic(Scope *sc) | |
| 6716 { Expression *e; | |
| 6717 | |
| 6718 #if LOGSEMANTIC | |
| 6719 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6720 #endif | |
| 6721 if (!type) | |
| 6722 { | |
| 6723 UnaExp::semantic(sc); | |
| 6724 e1 = resolveProperties(sc, e1); | |
| 6725 e = op_overload(sc); | |
| 6726 if (e) | |
| 6727 return e; | |
| 6728 | |
| 6729 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
|
6730 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
|
6731 e1->checkArithmetic(); |
| 159 | 6732 type = e1->type; |
| 6733 } | |
| 6734 return this; | |
| 6735 } | |
| 6736 | |
| 6737 /************************************************************/ | |
| 6738 | |
| 6739 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6740 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6741 { | |
| 6742 } | |
| 6743 | |
| 6744 Expression *UAddExp::semantic(Scope *sc) | |
| 6745 { Expression *e; | |
| 6746 | |
| 6747 #if LOGSEMANTIC | |
| 6748 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6749 #endif | |
| 6750 assert(!type); | |
| 6751 UnaExp::semantic(sc); | |
| 6752 e1 = resolveProperties(sc, e1); | |
| 6753 e = op_overload(sc); | |
| 6754 if (e) | |
| 6755 return e; | |
| 6756 e1->checkNoBool(); | |
| 6757 e1->checkArithmetic(); | |
| 6758 return e1; | |
| 6759 } | |
| 6760 | |
| 6761 /************************************************************/ | |
| 6762 | |
| 6763 ComExp::ComExp(Loc loc, Expression *e) | |
| 6764 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6765 { | |
| 6766 } | |
| 6767 | |
| 6768 Expression *ComExp::semantic(Scope *sc) | |
| 6769 { Expression *e; | |
| 6770 | |
| 6771 if (!type) | |
| 6772 { | |
| 6773 UnaExp::semantic(sc); | |
| 6774 e1 = resolveProperties(sc, e1); | |
| 6775 e = op_overload(sc); | |
| 6776 if (e) | |
| 6777 return e; | |
| 6778 | |
| 6779 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
|
6780 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
|
6781 e1 = e1->checkIntegral(); |
| 159 | 6782 type = e1->type; |
| 6783 } | |
| 6784 return this; | |
| 6785 } | |
| 6786 | |
| 6787 /************************************************************/ | |
| 6788 | |
| 6789 NotExp::NotExp(Loc loc, Expression *e) | |
| 6790 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6791 { | |
| 6792 } | |
| 6793 | |
| 6794 Expression *NotExp::semantic(Scope *sc) | |
| 6795 { | |
| 6796 UnaExp::semantic(sc); | |
| 6797 e1 = resolveProperties(sc, e1); | |
| 6798 e1 = e1->checkToBoolean(); | |
| 6799 type = Type::tboolean; | |
| 6800 return this; | |
| 6801 } | |
| 6802 | |
| 6803 int NotExp::isBit() | |
| 6804 { | |
| 6805 return TRUE; | |
| 6806 } | |
| 6807 | |
| 6808 | |
| 6809 | |
| 6810 /************************************************************/ | |
| 6811 | |
| 6812 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6813 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6814 { | |
| 6815 type = t; | |
| 6816 } | |
| 6817 | |
| 6818 Expression *BoolExp::semantic(Scope *sc) | |
| 6819 { | |
| 6820 UnaExp::semantic(sc); | |
| 6821 e1 = resolveProperties(sc, e1); | |
| 6822 e1 = e1->checkToBoolean(); | |
| 6823 type = Type::tboolean; | |
| 6824 return this; | |
| 6825 } | |
| 6826 | |
| 6827 int BoolExp::isBit() | |
| 6828 { | |
| 6829 return TRUE; | |
| 6830 } | |
| 6831 | |
| 6832 /************************************************************/ | |
| 6833 | |
| 6834 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6835 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6836 { | |
| 6837 } | |
| 6838 | |
| 6839 Expression *DeleteExp::semantic(Scope *sc) | |
| 6840 { | |
| 6841 Type *tb; | |
| 6842 | |
| 6843 UnaExp::semantic(sc); | |
| 6844 e1 = resolveProperties(sc, e1); | |
| 6845 e1 = e1->toLvalue(sc, NULL); | |
| 6846 type = Type::tvoid; | |
| 6847 | |
| 6848 tb = e1->type->toBasetype(); | |
| 6849 switch (tb->ty) | |
| 6850 { case Tclass: | |
| 6851 { TypeClass *tc = (TypeClass *)tb; | |
| 6852 ClassDeclaration *cd = tc->sym; | |
| 6853 | |
| 6854 if (cd->isCOMinterface()) | |
| 6855 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6856 */ | |
| 6857 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6858 } | |
| 6859 break; | |
| 6860 } | |
| 6861 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
|
6862 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6863 if (tb->ty == Tstruct) |
| 6864 { | |
| 6865 TypeStruct *ts = (TypeStruct *)tb; | |
| 6866 StructDeclaration *sd = ts->sym; | |
| 6867 FuncDeclaration *f = sd->aggDelete; | |
| 6868 | |
| 6869 if (f) | |
| 6870 { | |
| 6871 Type *tpv = Type::tvoid->pointerTo(); | |
| 6872 | |
| 6873 Expression *e = e1->castTo(sc, tpv); | |
| 6874 Expression *ec = new VarExp(loc, f); | |
| 6875 e = new CallExp(loc, ec, e); | |
| 6876 return e->semantic(sc); | |
| 6877 } | |
| 6878 } | |
| 6879 break; | |
| 6880 | |
| 6881 case Tarray: | |
| 6882 break; | |
| 6883 | |
| 6884 default: | |
| 6885 if (e1->op == TOKindex) | |
| 6886 { | |
| 6887 IndexExp *ae = (IndexExp *)(e1); | |
| 6888 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6889 if (tb1->ty == Taarray) | |
| 6890 break; | |
| 6891 } | |
| 6892 error("cannot delete type %s", e1->type->toChars()); | |
| 6893 break; | |
| 6894 } | |
| 6895 | |
| 6896 if (e1->op == TOKindex) | |
| 6897 { | |
| 6898 IndexExp *ae = (IndexExp *)(e1); | |
| 6899 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6900 if (tb1->ty == Taarray) | |
| 6901 { if (!global.params.useDeprecated) | |
| 6902 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6903 } | |
| 6904 } | |
| 6905 | |
| 6906 return this; | |
| 6907 } | |
| 6908 | |
| 6909 int DeleteExp::checkSideEffect(int flag) | |
| 6910 { | |
| 6911 return 1; | |
| 6912 } | |
| 6913 | |
| 6914 Expression *DeleteExp::checkToBoolean() | |
| 6915 { | |
| 6916 error("delete does not give a boolean result"); | |
| 6917 return this; | |
| 6918 } | |
| 6919 | |
| 6920 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6921 { | |
| 6922 buf->writestring("delete "); | |
| 6923 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6924 } | |
| 6925 | |
| 6926 /************************************************************/ | |
| 6927 | |
| 6928 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6929 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6930 { | |
| 6931 to = t; | |
| 6932 } | |
| 6933 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6934 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6935 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6936 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6937 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
|
6938 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6939 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6940 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6941 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6942 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6943 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6944 |
| 159 | 6945 Expression *CastExp::syntaxCopy() |
| 6946 { | |
| 6947 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6948 } | |
| 6949 | |
| 6950 | |
| 6951 Expression *CastExp::semantic(Scope *sc) | |
| 6952 { Expression *e; | |
| 6953 BinExp *b; | |
| 6954 UnaExp *u; | |
| 6955 | |
| 6956 #if LOGSEMANTIC | |
| 6957 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6958 #endif | |
| 6959 | |
| 6960 //static int x; assert(++x < 10); | |
| 6961 | |
| 6962 if (type) | |
| 6963 return this; | |
| 6964 UnaExp::semantic(sc); | |
| 6965 if (e1->type) // if not a tuple | |
| 6966 { | |
| 6967 e1 = resolveProperties(sc, e1); | |
| 6968 to = to->semantic(loc, sc); | |
| 6969 | |
| 6970 e = op_overload(sc); | |
| 6971 if (e) | |
| 6972 { | |
| 6973 return e->implicitCastTo(sc, to); | |
| 6974 } | |
| 6975 | |
| 6976 Type *tob = to->toBasetype(); | |
| 6977 if (tob->ty == Tstruct && | |
| 6978 !tob->equals(e1->type->toBasetype()) && | |
| 6979 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 6980 ) | |
| 6981 { | |
| 6982 /* Look to replace: | |
| 6983 * cast(S)t | |
| 6984 * with: | |
| 6985 * S(t) | |
| 6986 */ | |
| 6987 | |
| 6988 // Rewrite as to.call(e1) | |
| 6989 e = new TypeExp(loc, to); | |
| 6990 e = new DotIdExp(loc, e, Id::call); | |
| 6991 e = new CallExp(loc, e, e1); | |
| 6992 e = e->semantic(sc); | |
| 6993 return e; | |
| 6994 } | |
| 6995 } | |
| 6996 e = e1->castTo(sc, to); | |
| 6997 return e; | |
| 6998 } | |
| 6999 | |
| 7000 int CastExp::checkSideEffect(int flag) | |
| 7001 { | |
| 7002 /* if not: | |
| 7003 * cast(void) | |
| 7004 * cast(classtype)func() | |
| 7005 */ | |
| 7006 if (!to->equals(Type::tvoid) && | |
| 7007 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7008 return Expression::checkSideEffect(flag); | |
| 7009 return 1; | |
| 7010 } | |
| 7011 | |
| 7012 void CastExp::checkEscape() | |
| 7013 { Type *tb = type->toBasetype(); | |
| 7014 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7015 e1->type->toBasetype()->ty == Tsarray) | |
| 7016 { VarExp *ve = (VarExp *)e1; | |
| 7017 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7018 if (v) | |
| 7019 { | |
| 7020 if (!v->isDataseg() && !v->isParameter()) | |
| 7021 error("escaping reference to local %s", v->toChars()); | |
| 7022 } | |
| 7023 } | |
| 7024 } | |
| 7025 | |
| 7026 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7027 { | |
| 7028 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7029 #if DMDV1 |
| 159 | 7030 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7031 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7032 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7033 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7034 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7035 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7036 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7037 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7038 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7039 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7040 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7041 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7042 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7043 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7044 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7045 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7046 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7047 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7048 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7049 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7050 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7051 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7052 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7053 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7054 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7055 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7056 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7057 #endif |
| 159 | 7058 buf->writeByte(')'); |
| 7059 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7060 } | |
| 7061 | |
| 7062 | |
| 7063 /************************************************************/ | |
| 7064 | |
| 7065 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7066 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7067 { | |
| 7068 this->upr = upr; | |
| 7069 this->lwr = lwr; | |
| 7070 lengthVar = NULL; | |
| 7071 } | |
| 7072 | |
| 7073 Expression *SliceExp::syntaxCopy() | |
| 7074 { | |
| 7075 Expression *lwr = NULL; | |
| 7076 if (this->lwr) | |
| 7077 lwr = this->lwr->syntaxCopy(); | |
| 7078 | |
| 7079 Expression *upr = NULL; | |
| 7080 if (this->upr) | |
| 7081 upr = this->upr->syntaxCopy(); | |
| 7082 | |
| 7083 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7084 } | |
| 7085 | |
| 7086 Expression *SliceExp::semantic(Scope *sc) | |
| 7087 { Expression *e; | |
| 7088 AggregateDeclaration *ad; | |
| 7089 //FuncDeclaration *fd; | |
| 7090 ScopeDsymbol *sym; | |
| 7091 | |
| 7092 #if LOGSEMANTIC | |
| 7093 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7094 #endif | |
| 7095 if (type) | |
| 7096 return this; | |
| 7097 | |
| 7098 UnaExp::semantic(sc); | |
| 7099 e1 = resolveProperties(sc, e1); | |
| 7100 | |
| 7101 e = this; | |
| 7102 | |
| 7103 Type *t = e1->type->toBasetype(); | |
| 7104 if (t->ty == Tpointer) | |
| 7105 { | |
| 7106 if (!lwr || !upr) | |
| 7107 error("need upper and lower bound to slice pointer"); | |
| 7108 } | |
| 7109 else if (t->ty == Tarray) | |
| 7110 { | |
| 7111 } | |
| 7112 else if (t->ty == Tsarray) | |
| 7113 { | |
| 7114 } | |
| 7115 else if (t->ty == Tclass) | |
| 7116 { | |
| 7117 ad = ((TypeClass *)t)->sym; | |
| 7118 goto L1; | |
| 7119 } | |
| 7120 else if (t->ty == Tstruct) | |
| 7121 { | |
| 7122 ad = ((TypeStruct *)t)->sym; | |
| 7123 | |
| 7124 L1: | |
| 7125 if (search_function(ad, Id::slice)) | |
| 7126 { | |
| 7127 // Rewrite as e1.slice(lwr, upr) | |
| 7128 e = new DotIdExp(loc, e1, Id::slice); | |
| 7129 | |
| 7130 if (lwr) | |
| 7131 { | |
| 7132 assert(upr); | |
| 7133 e = new CallExp(loc, e, lwr, upr); | |
| 7134 } | |
| 7135 else | |
| 7136 { assert(!upr); | |
| 7137 e = new CallExp(loc, e); | |
| 7138 } | |
| 7139 e = e->semantic(sc); | |
| 7140 return e; | |
| 7141 } | |
| 7142 goto Lerror; | |
| 7143 } | |
| 7144 else if (t->ty == Ttuple) | |
| 7145 { | |
| 7146 if (!lwr && !upr) | |
| 7147 return e1; | |
| 7148 if (!lwr || !upr) | |
| 7149 { error("need upper and lower bound to slice tuple"); | |
| 7150 goto Lerror; | |
| 7151 } | |
| 7152 } | |
| 7153 else | |
| 7154 goto Lerror; | |
| 7155 | |
| 7156 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7157 { | |
| 7158 sym = new ArrayScopeSymbol(this); | |
| 7159 sym->loc = loc; | |
| 7160 sym->parent = sc->scopesym; | |
| 7161 sc = sc->push(sym); | |
| 7162 } | |
| 7163 | |
| 7164 if (lwr) | |
| 7165 { lwr = lwr->semantic(sc); | |
| 7166 lwr = resolveProperties(sc, lwr); | |
| 7167 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7168 } | |
| 7169 if (upr) | |
| 7170 { upr = upr->semantic(sc); | |
| 7171 upr = resolveProperties(sc, upr); | |
| 7172 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7173 } | |
| 7174 | |
| 7175 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7176 sc->pop(); | |
| 7177 | |
| 7178 if (t->ty == Ttuple) | |
| 7179 { | |
| 7180 lwr = lwr->optimize(WANTvalue); | |
| 7181 upr = upr->optimize(WANTvalue); | |
| 7182 uinteger_t i1 = lwr->toUInteger(); | |
| 7183 uinteger_t i2 = upr->toUInteger(); | |
| 7184 | |
| 7185 size_t length; | |
| 7186 TupleExp *te; | |
| 7187 TypeTuple *tup; | |
| 7188 | |
| 7189 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7190 { te = (TupleExp *)e1; | |
| 7191 length = te->exps->dim; | |
| 7192 } | |
| 7193 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7194 { tup = (TypeTuple *)t; | |
| 7195 length = Argument::dim(tup->arguments); | |
| 7196 } | |
| 7197 else | |
| 7198 assert(0); | |
| 7199 | |
| 7200 if (i1 <= i2 && i2 <= length) | |
| 7201 { size_t j1 = (size_t) i1; | |
| 7202 size_t j2 = (size_t) i2; | |
| 7203 | |
| 7204 if (e1->op == TOKtuple) | |
| 7205 { Expressions *exps = new Expressions; | |
| 7206 exps->setDim(j2 - j1); | |
| 7207 for (size_t i = 0; i < j2 - j1; i++) | |
| 7208 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7209 exps->data[i] = (void *)e; | |
| 7210 } | |
| 7211 e = new TupleExp(loc, exps); | |
| 7212 } | |
| 7213 else | |
| 7214 { Arguments *args = new Arguments; | |
| 7215 args->reserve(j2 - j1); | |
| 7216 for (size_t i = j1; i < j2; i++) | |
| 7217 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7218 args->push(arg); | |
| 7219 } | |
| 7220 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7221 } | |
| 7222 e = e->semantic(sc); | |
| 7223 } | |
| 7224 else | |
| 7225 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7226 error("string slice [%llu .. %llu] is out of bounds", i1, i2); |
| 159 | 7227 e = e1; |
| 7228 } | |
| 7229 return e; | |
| 7230 } | |
| 7231 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7232 type = t->nextOf()->arrayOf(); |
| 159 | 7233 return e; |
| 7234 | |
| 7235 Lerror: | |
| 7236 char *s; | |
| 7237 if (t->ty == Tvoid) | |
| 7238 s = e1->toChars(); | |
| 7239 else | |
| 7240 s = t->toChars(); | |
| 7241 error("%s cannot be sliced with []", s); | |
| 7242 type = Type::terror; | |
| 7243 return e; | |
| 7244 } | |
| 7245 | |
| 7246 void SliceExp::checkEscape() | |
| 7247 { | |
| 7248 e1->checkEscape(); | |
| 7249 } | |
| 7250 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7251 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7252 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7253 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7254 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7255 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7256 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7257 |
| 159 | 7258 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7259 { | |
| 7260 return this; | |
| 7261 } | |
| 7262 | |
| 7263 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7264 { | |
| 7265 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7266 return this; | |
| 7267 } | |
| 7268 | |
| 7269 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7270 { | |
| 7271 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7272 buf->writeByte('['); | |
| 7273 if (upr || lwr) | |
| 7274 { | |
| 7275 if (lwr) | |
| 7276 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7277 else | |
| 7278 buf->writeByte('0'); | |
| 7279 buf->writestring(".."); | |
| 7280 if (upr) | |
| 7281 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7282 else | |
| 7283 buf->writestring("length"); // BUG: should be array.length | |
| 7284 } | |
| 7285 buf->writeByte(']'); | |
| 7286 } | |
| 7287 | |
| 7288 /********************** ArrayLength **************************************/ | |
| 7289 | |
| 7290 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7291 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7292 { | |
| 7293 } | |
| 7294 | |
| 7295 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7296 { Expression *e; | |
| 7297 | |
| 7298 #if LOGSEMANTIC | |
| 7299 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7300 #endif | |
| 7301 if (!type) | |
| 7302 { | |
| 7303 UnaExp::semantic(sc); | |
| 7304 e1 = resolveProperties(sc, e1); | |
| 7305 | |
| 7306 type = Type::tsize_t; | |
| 7307 } | |
| 7308 return this; | |
| 7309 } | |
| 7310 | |
| 7311 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7312 { | |
| 7313 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7314 buf->writestring(".length"); | |
| 7315 } | |
| 7316 | |
| 7317 /*********************** ArrayExp *************************************/ | |
| 7318 | |
| 7319 // e1 [ i1, i2, i3, ... ] | |
| 7320 | |
| 7321 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7322 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7323 { | |
| 7324 arguments = args; | |
| 7325 } | |
| 7326 | |
| 7327 Expression *ArrayExp::syntaxCopy() | |
| 7328 { | |
| 7329 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7330 } | |
| 7331 | |
| 7332 Expression *ArrayExp::semantic(Scope *sc) | |
| 7333 { Expression *e; | |
| 7334 Type *t1; | |
| 7335 | |
| 7336 #if LOGSEMANTIC | |
| 7337 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7338 #endif | |
| 7339 UnaExp::semantic(sc); | |
| 7340 e1 = resolveProperties(sc, e1); | |
| 7341 | |
| 7342 t1 = e1->type->toBasetype(); | |
| 7343 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7344 { // Convert to IndexExp | |
| 7345 if (arguments->dim != 1) | |
| 7346 error("only one index allowed to index %s", t1->toChars()); | |
| 7347 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7348 return e->semantic(sc); | |
| 7349 } | |
| 7350 | |
| 7351 // Run semantic() on each argument | |
| 7352 for (size_t i = 0; i < arguments->dim; i++) | |
| 7353 { e = (Expression *)arguments->data[i]; | |
| 7354 | |
| 7355 e = e->semantic(sc); | |
| 7356 if (!e->type) | |
| 7357 error("%s has no value", e->toChars()); | |
| 7358 arguments->data[i] = (void *)e; | |
| 7359 } | |
| 7360 | |
| 7361 expandTuples(arguments); | |
| 7362 assert(arguments && arguments->dim); | |
| 7363 | |
| 7364 e = op_overload(sc); | |
| 7365 if (!e) | |
| 7366 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7367 e = e1; | |
| 7368 } | |
| 7369 return e; | |
| 7370 } | |
| 7371 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7372 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7373 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7374 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7375 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7376 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7377 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7378 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7379 #endif |
| 159 | 7380 |
| 7381 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7382 { | |
| 7383 if (type && type->toBasetype()->ty == Tvoid) | |
| 7384 error("voids have no value"); | |
| 7385 return this; | |
| 7386 } | |
| 7387 | |
| 7388 | |
| 7389 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7390 { int i; | |
| 7391 | |
| 7392 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7393 buf->writeByte('['); | |
| 7394 argsToCBuffer(buf, arguments, hgs); | |
| 7395 buf->writeByte(']'); | |
| 7396 } | |
| 7397 | |
| 7398 /************************* DotExp ***********************************/ | |
| 7399 | |
| 7400 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7401 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7402 { | |
| 7403 } | |
| 7404 | |
| 7405 Expression *DotExp::semantic(Scope *sc) | |
| 7406 { | |
| 7407 #if LOGSEMANTIC | |
| 7408 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7409 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7410 #endif | |
| 7411 e1 = e1->semantic(sc); | |
| 7412 e2 = e2->semantic(sc); | |
| 7413 if (e2->op == TOKimport) | |
| 7414 { | |
| 7415 ScopeExp *se = (ScopeExp *)e2; | |
| 7416 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7417 if (td) | |
| 7418 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7419 e = e->semantic(sc); | |
| 7420 return e; | |
| 7421 } | |
| 7422 } | |
| 7423 if (!type) | |
| 7424 type = e2->type; | |
| 7425 return this; | |
| 7426 } | |
| 7427 | |
| 7428 | |
| 7429 /************************* CommaExp ***********************************/ | |
| 7430 | |
| 7431 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7432 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7433 { | |
| 7434 } | |
| 7435 | |
| 7436 Expression *CommaExp::semantic(Scope *sc) | |
| 7437 { | |
| 7438 if (!type) | |
| 7439 { BinExp::semanticp(sc); | |
| 7440 type = e2->type; | |
| 7441 } | |
| 7442 return this; | |
| 7443 } | |
| 7444 | |
| 7445 void CommaExp::checkEscape() | |
| 7446 { | |
| 7447 e2->checkEscape(); | |
| 7448 } | |
| 7449 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7450 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7451 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7452 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7453 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7454 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7455 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7456 |
| 159 | 7457 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7458 { | |
| 7459 e2 = e2->toLvalue(sc, NULL); | |
| 7460 return this; | |
| 7461 } | |
| 7462 | |
| 7463 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7464 { | |
| 7465 e2 = e2->modifiableLvalue(sc, e); | |
| 7466 return this; | |
| 7467 } | |
| 7468 | |
| 7469 int CommaExp::isBool(int result) | |
| 7470 { | |
| 7471 return e2->isBool(result); | |
| 7472 } | |
| 7473 | |
| 7474 int CommaExp::checkSideEffect(int flag) | |
| 7475 { | |
| 7476 if (flag == 2) | |
| 7477 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7478 else | |
| 7479 { | |
| 7480 // Don't check e1 until we cast(void) the a,b code generation | |
| 7481 return e2->checkSideEffect(flag); | |
| 7482 } | |
| 7483 } | |
| 7484 | |
| 7485 /************************** IndexExp **********************************/ | |
| 7486 | |
| 7487 // e1 [ e2 ] | |
| 7488 | |
| 7489 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7490 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7491 { | |
| 7492 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7493 lengthVar = NULL; | |
| 7494 modifiable = 0; // assume it is an rvalue | |
| 7495 } | |
| 7496 | |
| 7497 Expression *IndexExp::semantic(Scope *sc) | |
| 7498 { Expression *e; | |
| 7499 BinExp *b; | |
| 7500 UnaExp *u; | |
| 7501 Type *t1; | |
| 7502 ScopeDsymbol *sym; | |
| 7503 | |
| 7504 #if LOGSEMANTIC | |
| 7505 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7506 #endif | |
| 7507 if (type) | |
| 7508 return this; | |
| 7509 if (!e1->type) | |
| 7510 e1 = e1->semantic(sc); | |
| 7511 assert(e1->type); // semantic() should already be run on it | |
| 7512 e = this; | |
| 7513 | |
| 7514 // Note that unlike C we do not implement the int[ptr] | |
| 7515 | |
| 7516 t1 = e1->type->toBasetype(); | |
| 7517 | |
| 7518 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7519 { // Create scope for 'length' variable | |
| 7520 sym = new ArrayScopeSymbol(this); | |
| 7521 sym->loc = loc; | |
| 7522 sym->parent = sc->scopesym; | |
| 7523 sc = sc->push(sym); | |
| 7524 } | |
| 7525 | |
| 7526 e2 = e2->semantic(sc); | |
| 7527 if (!e2->type) | |
| 7528 { | |
| 7529 error("%s has no value", e2->toChars()); | |
| 7530 e2->type = Type::terror; | |
| 7531 } | |
| 7532 e2 = resolveProperties(sc, e2); | |
| 7533 | |
| 7534 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7535 sc = sc->pop(); | |
| 7536 | |
| 7537 switch (t1->ty) | |
| 7538 { | |
| 7539 case Tpointer: | |
| 7540 case Tarray: | |
| 7541 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7542 e->type = t1->next; | |
| 7543 break; | |
| 7544 | |
| 7545 case Tsarray: | |
| 7546 { | |
| 7547 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7548 | |
| 7549 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7550 | |
| 7551 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7552 // Do compile time array bounds checking if possible | |
| 7553 e2 = e2->optimize(WANTvalue); | |
| 7554 if (e2->op == TOKint64) | |
| 7555 { | |
| 7556 integer_t index = e2->toInteger(); | |
| 7557 integer_t length = tsa->dim->toInteger(); | |
| 7558 if (index < 0 || index >= length) | |
| 7559 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7560 index, length); | |
| 7561 } | |
| 7562 #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
|
7563 e->type = t1->nextOf(); |
| 159 | 7564 break; |
| 7565 } | |
| 7566 | |
| 7567 case Taarray: | |
| 7568 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7569 | |
| 7570 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7571 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7572 type = taa->next; | |
| 7573 break; | |
| 7574 } | |
| 7575 | |
| 7576 case Ttuple: | |
| 7577 { | |
| 7578 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7579 e2 = e2->optimize(WANTvalue); | |
| 7580 uinteger_t index = e2->toUInteger(); | |
| 7581 size_t length; | |
| 7582 TupleExp *te; | |
| 7583 TypeTuple *tup; | |
| 7584 | |
| 7585 if (e1->op == TOKtuple) | |
| 7586 { te = (TupleExp *)e1; | |
| 7587 length = te->exps->dim; | |
| 7588 } | |
| 7589 else if (e1->op == TOKtype) | |
| 7590 { | |
| 7591 tup = (TypeTuple *)t1; | |
| 7592 length = Argument::dim(tup->arguments); | |
| 7593 } | |
| 7594 else | |
| 7595 assert(0); | |
| 7596 | |
| 7597 if (index < length) | |
| 7598 { | |
| 7599 | |
| 7600 if (e1->op == TOKtuple) | |
| 7601 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7602 else | |
| 7603 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7604 } | |
| 7605 else | |
| 7606 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7607 error("array index [%llu] is outside array bounds [0 .. %"PRIuSIZE"]", |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7608 index, length); |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7609 e = e1; |
| 159 | 7610 } |
| 7611 break; | |
| 7612 } | |
| 7613 | |
| 7614 default: | |
| 7615 error("%s must be an array or pointer type, not %s", | |
| 7616 e1->toChars(), e1->type->toChars()); | |
| 7617 type = Type::tint32; | |
| 7618 break; | |
| 7619 } | |
| 7620 return e; | |
| 7621 } | |
| 7622 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7623 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7624 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7625 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7626 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7627 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7628 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7629 |
| 159 | 7630 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7631 { | |
| 7632 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7633 // error("voids have no value"); | |
| 7634 return this; | |
| 7635 } | |
| 7636 | |
| 7637 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7638 { | |
| 7639 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7640 modifiable = 1; | |
| 7641 if (e1->op == TOKstring) | |
| 7642 error("string literals are immutable"); | |
| 7643 if (e1->type->toBasetype()->ty == Taarray) | |
| 7644 e1 = e1->modifiableLvalue(sc, e1); | |
| 7645 return toLvalue(sc, e); | |
| 7646 } | |
| 7647 | |
| 7648 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7649 { | |
| 7650 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7651 buf->writeByte('['); | |
| 7652 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7653 buf->writeByte(']'); | |
| 7654 } | |
| 7655 | |
| 7656 | |
| 7657 /************************* PostExp ***********************************/ | |
| 7658 | |
| 7659 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7660 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7661 new IntegerExp(loc, 1, Type::tint32)) | |
| 7662 { | |
| 7663 } | |
| 7664 | |
| 7665 Expression *PostExp::semantic(Scope *sc) | |
| 7666 { Expression *e = this; | |
| 7667 | |
| 7668 if (!type) | |
| 7669 { | |
| 7670 BinExp::semantic(sc); | |
| 7671 e2 = resolveProperties(sc, e2); | |
| 7672 | |
| 7673 e = op_overload(sc); | |
| 7674 if (e) | |
| 7675 return e; | |
| 7676 | |
| 7677 e = this; | |
| 7678 e1 = e1->modifiableLvalue(sc, e1); | |
| 7679 e1->checkScalar(); | |
| 7680 e1->checkNoBool(); | |
| 7681 if (e1->type->ty == Tpointer) | |
| 7682 e = scaleFactor(sc); | |
| 7683 else | |
| 7684 e2 = e2->castTo(sc, e1->type); | |
| 7685 e->type = e1->type; | |
| 7686 } | |
| 7687 return e; | |
| 7688 } | |
| 7689 | |
| 7690 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7691 { | |
| 7692 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7693 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7694 } | |
| 7695 | |
| 7696 /************************************************************/ | |
| 7697 | |
| 7698 /* Can be TOKconstruct too */ | |
| 7699 | |
| 7700 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7701 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7702 { | |
| 7703 ismemset = 0; | |
| 7704 } | |
| 7705 | |
| 7706 Expression *AssignExp::semantic(Scope *sc) | |
| 7707 { Type *t1; | |
| 7708 Expression *e1old = e1; | |
| 7709 | |
| 7710 #if LOGSEMANTIC | |
| 7711 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7712 #endif | |
| 7713 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7714 | |
| 7715 /* Look for operator overloading of a[i]=value. | |
| 7716 * Do it before semantic() otherwise the a[i] will have been | |
| 7717 * converted to a.opIndex() already. | |
| 7718 */ | |
| 7719 if (e1->op == TOKarray) | |
| 7720 { Type *t1; | |
| 7721 ArrayExp *ae = (ArrayExp *)e1; | |
| 7722 AggregateDeclaration *ad; | |
| 7723 Identifier *id = Id::index; | |
| 7724 | |
| 7725 ae->e1 = ae->e1->semantic(sc); | |
| 7726 t1 = ae->e1->type->toBasetype(); | |
| 7727 if (t1->ty == Tstruct) | |
| 7728 { | |
| 7729 ad = ((TypeStruct *)t1)->sym; | |
| 7730 goto L1; | |
| 7731 } | |
| 7732 else if (t1->ty == Tclass) | |
| 7733 { | |
| 7734 ad = ((TypeClass *)t1)->sym; | |
| 7735 L1: | |
| 7736 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7737 if (search_function(ad, Id::indexass)) | |
| 7738 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7739 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7740 | |
| 7741 a->insert(0, e2); | |
| 7742 e = new CallExp(loc, e, a); | |
| 7743 e = e->semantic(sc); | |
| 7744 return e; | |
| 7745 } | |
| 7746 else | |
| 7747 { | |
| 7748 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7749 if (search_function(ad, id)) | |
| 7750 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7751 | |
| 7752 if (1 || !global.params.useDeprecated) | |
| 7753 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7754 | |
| 7755 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7756 e = e->semantic(sc); | |
| 7757 return e; | |
| 7758 } | |
| 7759 } | |
| 7760 } | |
| 7761 } | |
| 7762 /* Look for operator overloading of a[i..j]=value. | |
| 7763 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7764 * converted to a.opSlice() already. | |
| 7765 */ | |
| 7766 if (e1->op == TOKslice) | |
| 7767 { Type *t1; | |
| 7768 SliceExp *ae = (SliceExp *)e1; | |
| 7769 AggregateDeclaration *ad; | |
| 7770 Identifier *id = Id::index; | |
| 7771 | |
| 7772 ae->e1 = ae->e1->semantic(sc); | |
| 7773 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7774 t1 = ae->e1->type->toBasetype(); | |
| 7775 if (t1->ty == Tstruct) | |
| 7776 { | |
| 7777 ad = ((TypeStruct *)t1)->sym; | |
| 7778 goto L2; | |
| 7779 } | |
| 7780 else if (t1->ty == Tclass) | |
| 7781 { | |
| 7782 ad = ((TypeClass *)t1)->sym; | |
| 7783 L2: | |
| 7784 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7785 if (search_function(ad, Id::sliceass)) | |
| 7786 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7787 Expressions *a = new Expressions(); | |
| 7788 | |
| 7789 a->push(e2); | |
| 7790 if (ae->lwr) | |
| 7791 { a->push(ae->lwr); | |
| 7792 assert(ae->upr); | |
| 7793 a->push(ae->upr); | |
| 7794 } | |
| 7795 else | |
| 7796 assert(!ae->upr); | |
| 7797 e = new CallExp(loc, e, a); | |
| 7798 e = e->semantic(sc); | |
| 7799 return e; | |
| 7800 } | |
| 7801 } | |
| 7802 } | |
| 7803 | |
| 7804 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7805 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7806 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7807 { // 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
|
7808 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7809 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7810 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7811 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7812 |
| 159 | 7813 e2 = resolveProperties(sc, e2); |
| 7814 assert(e1->type); | |
| 7815 | |
| 7816 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7817 */ | |
| 7818 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7819 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7820 TupleExp *tup2 = (TupleExp *)e2; | |
| 7821 size_t dim = tup1->exps->dim; | |
| 7822 if (dim != tup2->exps->dim) | |
| 7823 { | |
| 7824 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7825 } | |
| 7826 else | |
| 7827 { Expressions *exps = new Expressions; | |
| 7828 exps->setDim(dim); | |
| 7829 | |
| 7830 for (int i = 0; i < dim; i++) | |
| 7831 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7832 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7833 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7834 } | |
| 7835 Expression *e = new TupleExp(loc, exps); | |
| 7836 e = e->semantic(sc); | |
| 7837 return e; | |
| 7838 } | |
| 7839 } | |
| 7840 | |
| 7841 t1 = e1->type->toBasetype(); | |
| 7842 | |
| 7843 if (t1->ty == Tfunction) | |
| 7844 { // Rewrite f=value to f(value) | |
| 7845 Expression *e; | |
| 7846 | |
| 7847 e = new CallExp(loc, e1, e2); | |
| 7848 e = e->semantic(sc); | |
| 7849 return e; | |
| 7850 } | |
| 7851 | |
| 7852 /* If it is an assignment from a 'foreign' type, | |
| 7853 * check for operator overloading. | |
| 7854 */ | |
| 7855 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7856 { | |
| 7857 if (!e2->type->implicitConvTo(e1->type)) | |
| 7858 { | |
| 7859 Expression *e = op_overload(sc); | |
| 7860 if (e) | |
| 7861 return e; | |
| 7862 } | |
| 7863 } | |
| 7864 | |
| 7865 e2->rvalue(); | |
| 7866 | |
| 7867 if (e1->op == TOKarraylength) | |
| 7868 { | |
| 7869 // e1 is not an lvalue, but we let code generator handle it | |
| 7870 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7871 | |
| 7872 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7873 } | |
| 7874 else if (e1->op == TOKslice) | |
| 7875 ; | |
| 7876 else | |
| 7877 { // Try to do a decent error message with the expression | |
| 7878 // before it got constant folded | |
| 7879 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7880 } | |
| 7881 | |
| 7882 if (e1->op == TOKslice && | |
| 7883 t1->nextOf() && | |
| 7884 e2->implicitConvTo(t1->nextOf()) | |
| 7885 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7886 ) | |
| 7887 { // memset | |
| 7888 ismemset = 1; // make it easy for back end to tell what this is | |
| 7889 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7890 } | |
| 7891 else if (t1->ty == Tsarray) | |
| 7892 { | |
| 7893 error("cannot assign to static array %s", e1->toChars()); | |
| 7894 } | |
| 7895 else | |
| 7896 { | |
| 7897 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7898 } | |
|
510
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parents:
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diff
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|
7899 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
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|
7900 /* Look for array operations |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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|
7901 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7902 if (e1->op == TOKslice && !ismemset && |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
7903 (e2->op == TOKadd || e2->op == TOKmin || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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|
7904 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:
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diff
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|
7905 e2->op == TOKmod || e2->op == TOKxor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
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|
7906 e2->op == TOKand || e2->op == TOKor || |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
7907 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:
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diff
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|
7908 { |
|
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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
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|
7909 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
7910 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
7911 } |
|
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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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|
7912 |
| 159 | 7913 type = e1->type; |
| 7914 assert(type); | |
| 7915 return this; | |
| 7916 } | |
| 7917 | |
| 7918 Expression *AssignExp::checkToBoolean() | |
| 7919 { | |
| 7920 // Things like: | |
| 7921 // if (a = b) ... | |
| 7922 // are usually mistakes. | |
| 7923 | |
| 7924 error("'=' does not give a boolean result"); | |
| 7925 return this; | |
| 7926 } | |
| 7927 | |
| 7928 /************************************************************/ | |
| 7929 | |
| 7930 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7931 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7932 { | |
| 7933 } | |
| 7934 | |
| 7935 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7936 { Expression *e; | |
| 7937 | |
| 7938 if (type) | |
| 7939 return this; | |
| 7940 | |
| 7941 BinExp::semantic(sc); | |
| 7942 e2 = resolveProperties(sc, e2); | |
| 7943 | |
| 7944 e = op_overload(sc); | |
| 7945 if (e) | |
| 7946 return e; | |
| 7947 | |
| 7948 Type *tb1 = e1->type->toBasetype(); | |
| 7949 Type *tb2 = e2->type->toBasetype(); | |
| 7950 | |
|
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
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|
7951 if (e1->op == TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
7952 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
7953 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
7954 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
|
7955 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
|
7956 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7957 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7958 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7959 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
|
7960 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7961 |
| 159 | 7962 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7963 (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
|
7964 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7965 ) |
| 7966 { | |
| 7967 type = e1->type; | |
| 7968 e = this; | |
| 7969 } | |
| 7970 else | |
| 7971 { | |
| 7972 e1->checkScalar(); | |
| 7973 e1->checkNoBool(); | |
| 7974 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 7975 e = scaleFactor(sc); | |
| 7976 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 7977 { | |
| 7978 #if 0 | |
| 7979 // Need to rethink this | |
| 7980 if (e1->op != TOKvar) | |
| 7981 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 7982 VarDeclaration *v; | |
| 7983 Expression *ea; | |
| 7984 Expression *ex; | |
| 7985 | |
|
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
|
7986 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 7987 |
| 7988 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 7989 v->semantic(sc); | |
| 7990 if (!sc->insert(v)) | |
| 7991 assert(0); | |
| 7992 v->parent = sc->func; | |
| 7993 | |
| 7994 ea = new AddrExp(loc, e1); | |
| 7995 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 7996 | |
| 7997 ex = new VarExp(loc, v); | |
| 7998 ex = new PtrExp(loc, ex); | |
| 7999 e = new AddExp(loc, ex, e2); | |
| 8000 e = new CastExp(loc, e, e1->type); | |
| 8001 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8002 | |
| 8003 e = new CommaExp(loc, ea, e); | |
| 8004 } | |
| 8005 else | |
| 8006 #endif | |
| 8007 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8008 // BUG: doesn't account for side effects in e1 | |
| 8009 // BUG: other assignment operators for bits aren't handled at all | |
| 8010 e = new AddExp(loc, e1, e2); | |
| 8011 e = new CastExp(loc, e, e1->type); | |
| 8012 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8013 } | |
| 8014 e = e->semantic(sc); | |
| 8015 } | |
| 8016 else | |
| 8017 { | |
| 8018 type = e1->type; | |
| 8019 typeCombine(sc); | |
| 8020 e1->checkArithmetic(); | |
| 8021 e2->checkArithmetic(); | |
| 8022 if (type->isreal() || type->isimaginary()) | |
| 8023 { | |
| 8024 assert(global.errors || e2->type->isfloating()); | |
| 8025 e2 = e2->castTo(sc, e1->type); | |
| 8026 } | |
| 8027 e = this; | |
| 8028 } | |
| 8029 } | |
| 8030 return e; | |
| 8031 } | |
| 8032 | |
| 8033 /************************************************************/ | |
| 8034 | |
| 8035 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8036 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8037 { | |
| 8038 } | |
| 8039 | |
| 8040 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8041 { Expression *e; | |
| 8042 | |
| 8043 if (type) | |
| 8044 return this; | |
| 8045 | |
| 8046 BinExp::semantic(sc); | |
| 8047 e2 = resolveProperties(sc, e2); | |
| 8048 | |
| 8049 e = op_overload(sc); | |
| 8050 if (e) | |
| 8051 return e; | |
| 8052 | |
|
510
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parents:
486
diff
changeset
|
8053 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
|
8054 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8055 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
|
8056 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
|
8057 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
|
8058 } |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8059 |
| 159 | 8060 e1 = e1->modifiableLvalue(sc, e1); |
| 8061 e1->checkScalar(); | |
| 8062 e1->checkNoBool(); | |
| 8063 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8064 e = scaleFactor(sc); | |
| 8065 else | |
| 8066 { | |
| 8067 e1 = e1->checkArithmetic(); | |
| 8068 e2 = e2->checkArithmetic(); | |
| 8069 type = e1->type; | |
| 8070 typeCombine(sc); | |
| 8071 if (type->isreal() || type->isimaginary()) | |
| 8072 { | |
| 8073 assert(e2->type->isfloating()); | |
| 8074 e2 = e2->castTo(sc, e1->type); | |
| 8075 } | |
| 8076 e = this; | |
| 8077 } | |
| 8078 return e; | |
| 8079 } | |
| 8080 | |
| 8081 /************************************************************/ | |
| 8082 | |
| 8083 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8084 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8085 { | |
| 8086 } | |
| 8087 | |
| 8088 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8089 { Expression *e; | |
| 8090 | |
| 8091 BinExp::semantic(sc); | |
| 8092 e2 = resolveProperties(sc, e2); | |
| 8093 | |
| 8094 e = op_overload(sc); | |
| 8095 if (e) | |
| 8096 return e; | |
| 8097 | |
| 8098 if (e1->op == TOKslice) | |
| 8099 { SliceExp *se = (SliceExp *)e1; | |
| 8100 | |
| 8101 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8102 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8103 } | |
| 8104 | |
| 8105 e1 = e1->modifiableLvalue(sc, e1); | |
| 8106 | |
| 8107 Type *tb1 = e1->type->toBasetype(); | |
| 8108 Type *tb2 = e2->type->toBasetype(); | |
| 8109 | |
| 8110 e2->rvalue(); | |
| 8111 | |
| 8112 if ((tb1->ty == Tarray) && | |
| 8113 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8114 e2->implicitConvTo(e1->type) | |
| 8115 //e1->type->next->equals(e2->type->next) | |
| 8116 ) | |
| 8117 { // Append array | |
| 8118 e2 = e2->castTo(sc, e1->type); | |
| 8119 type = e1->type; | |
| 8120 e = this; | |
| 8121 } | |
| 8122 else if ((tb1->ty == Tarray) && | |
|
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
|
8123 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8124 ) |
| 8125 { // Append element | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8126 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8127 type = e1->type; |
| 8128 e = this; | |
| 8129 } | |
| 8130 else | |
| 8131 { | |
| 8132 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8133 type = Type::tint32; | |
| 8134 e = this; | |
| 8135 } | |
| 8136 return e; | |
| 8137 } | |
| 8138 | |
| 8139 /************************************************************/ | |
| 8140 | |
| 8141 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8142 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8143 { | |
| 8144 } | |
| 8145 | |
| 8146 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8147 { Expression *e; | |
| 8148 | |
| 8149 BinExp::semantic(sc); | |
| 8150 e2 = resolveProperties(sc, e2); | |
| 8151 | |
| 8152 e = op_overload(sc); | |
| 8153 if (e) | |
| 8154 return e; | |
| 8155 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8156 if (e1->op == TOKslice) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8157 { // T[] -= ... |
|
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diff
changeset
|
8158 typeCombine(sc); |
|
6aee82889553
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diff
changeset
|
8159 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8160 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8161 } |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8162 |
| 159 | 8163 e1 = e1->modifiableLvalue(sc, e1); |
| 8164 e1->checkScalar(); | |
| 8165 e1->checkNoBool(); | |
| 8166 type = e1->type; | |
| 8167 typeCombine(sc); | |
| 8168 e1->checkArithmetic(); | |
| 8169 e2->checkArithmetic(); | |
| 8170 if (e2->type->isfloating()) | |
| 8171 { Type *t1; | |
| 8172 Type *t2; | |
| 8173 | |
| 8174 t1 = e1->type; | |
| 8175 t2 = e2->type; | |
| 8176 if (t1->isreal()) | |
| 8177 { | |
| 8178 if (t2->isimaginary() || t2->iscomplex()) | |
| 8179 { | |
| 8180 e2 = e2->castTo(sc, t1); | |
| 8181 } | |
| 8182 } | |
| 8183 else if (t1->isimaginary()) | |
| 8184 { | |
| 8185 if (t2->isimaginary() || t2->iscomplex()) | |
| 8186 { | |
| 8187 switch (t1->ty) | |
| 8188 { | |
| 8189 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8190 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8191 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8192 default: | |
| 8193 assert(0); | |
| 8194 } | |
| 8195 e2 = e2->castTo(sc, t2); | |
| 8196 } | |
| 8197 } | |
| 8198 } | |
| 8199 return this; | |
| 8200 } | |
| 8201 | |
| 8202 /************************************************************/ | |
| 8203 | |
| 8204 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8205 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8206 { | |
| 8207 } | |
| 8208 | |
| 8209 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8210 { Expression *e; | |
| 8211 | |
| 8212 BinExp::semantic(sc); | |
| 8213 e2 = resolveProperties(sc, e2); | |
| 8214 | |
| 8215 e = op_overload(sc); | |
| 8216 if (e) | |
| 8217 return e; | |
| 8218 | |
|
510
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parents:
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diff
changeset
|
8219 if (e1->op == TOKslice) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8220 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
8221 typeCombine(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8222 type = e1->type; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8223 return arrayOp(sc); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
8224 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8225 |
| 159 | 8226 e1 = e1->modifiableLvalue(sc, e1); |
| 8227 e1->checkScalar(); | |
| 8228 e1->checkNoBool(); | |
| 8229 type = e1->type; | |
| 8230 typeCombine(sc); | |
| 8231 e1->checkArithmetic(); | |
| 8232 e2->checkArithmetic(); | |
| 8233 if (e2->type->isimaginary()) | |
| 8234 { Type *t1; | |
| 8235 Type *t2; | |
| 8236 | |
| 8237 t1 = e1->type; | |
| 8238 if (t1->isreal()) | |
| 8239 { // x/iv = i(-x/v) | |
| 8240 // Therefore, the result is 0 | |
| 8241 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8242 e2->type = t1; | |
| 8243 e = new AssignExp(loc, e1, e2); | |
| 8244 e->type = t1; | |
| 8245 return e; | |
| 8246 } | |
| 8247 else if (t1->isimaginary()) | |
| 8248 { Expression *e; | |
| 8249 | |
| 8250 switch (t1->ty) | |
| 8251 { | |
| 8252 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8253 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8254 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8255 default: | |
| 8256 assert(0); | |
| 8257 } | |
| 8258 e2 = e2->castTo(sc, t2); | |
| 8259 e = new AssignExp(loc, e1, e2); | |
| 8260 e->type = t1; | |
| 8261 return e; | |
| 8262 } | |
| 8263 } | |
| 8264 return this; | |
| 8265 } | |
| 8266 | |
| 8267 /************************************************************/ | |
| 8268 | |
| 8269 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8270 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8271 { | |
| 8272 } | |
| 8273 | |
| 8274 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8275 { | |
| 8276 return commonSemanticAssign(sc); | |
| 8277 } | |
| 8278 | |
| 8279 /************************************************************/ | |
| 8280 | |
| 8281 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8282 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8283 { | |
| 8284 } | |
| 8285 | |
| 8286 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8287 { Expression *e; | |
| 8288 | |
| 8289 //printf("ShlAssignExp::semantic()\n"); | |
| 8290 BinExp::semantic(sc); | |
| 8291 e2 = resolveProperties(sc, e2); | |
| 8292 | |
| 8293 e = op_overload(sc); | |
| 8294 if (e) | |
| 8295 return e; | |
| 8296 | |
| 8297 e1 = e1->modifiableLvalue(sc, e1); | |
| 8298 e1->checkScalar(); | |
| 8299 e1->checkNoBool(); | |
| 8300 type = e1->type; | |
| 8301 typeCombine(sc); | |
| 8302 e1->checkIntegral(); | |
| 8303 e2 = e2->checkIntegral(); | |
| 8304 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8305 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8306 return this; |
| 8307 } | |
| 8308 | |
| 8309 /************************************************************/ | |
| 8310 | |
| 8311 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8312 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8313 { | |
| 8314 } | |
| 8315 | |
| 8316 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8317 { Expression *e; | |
| 8318 | |
| 8319 BinExp::semantic(sc); | |
| 8320 e2 = resolveProperties(sc, e2); | |
| 8321 | |
| 8322 e = op_overload(sc); | |
| 8323 if (e) | |
| 8324 return e; | |
| 8325 | |
| 8326 e1 = e1->modifiableLvalue(sc, e1); | |
| 8327 e1->checkScalar(); | |
| 8328 e1->checkNoBool(); | |
| 8329 type = e1->type; | |
| 8330 typeCombine(sc); | |
| 8331 e1->checkIntegral(); | |
| 8332 e2 = e2->checkIntegral(); | |
| 8333 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8334 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8335 return this; |
| 8336 } | |
| 8337 | |
| 8338 /************************************************************/ | |
| 8339 | |
| 8340 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8341 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8342 { | |
| 8343 } | |
| 8344 | |
| 8345 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8346 { Expression *e; | |
| 8347 | |
| 8348 BinExp::semantic(sc); | |
| 8349 e2 = resolveProperties(sc, e2); | |
| 8350 | |
| 8351 e = op_overload(sc); | |
| 8352 if (e) | |
| 8353 return e; | |
| 8354 | |
| 8355 e1 = e1->modifiableLvalue(sc, e1); | |
| 8356 e1->checkScalar(); | |
| 8357 e1->checkNoBool(); | |
| 8358 type = e1->type; | |
| 8359 typeCombine(sc); | |
| 8360 e1->checkIntegral(); | |
| 8361 e2 = e2->checkIntegral(); | |
| 8362 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8363 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8364 return this; |
| 8365 } | |
| 8366 | |
| 8367 /************************************************************/ | |
| 8368 | |
| 8369 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8370 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8371 { | |
| 8372 } | |
| 8373 | |
| 8374 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8375 { | |
| 8376 return commonSemanticAssignIntegral(sc); | |
| 8377 } | |
| 8378 | |
| 8379 /************************************************************/ | |
| 8380 | |
| 8381 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8382 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8383 { | |
| 8384 } | |
| 8385 | |
| 8386 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8387 { | |
| 8388 return commonSemanticAssignIntegral(sc); | |
| 8389 } | |
| 8390 | |
| 8391 /************************************************************/ | |
| 8392 | |
| 8393 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8394 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8395 { | |
| 8396 } | |
| 8397 | |
| 8398 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8399 { | |
| 8400 return commonSemanticAssignIntegral(sc); | |
| 8401 } | |
| 8402 | |
| 8403 /************************* AddExp *****************************/ | |
| 8404 | |
| 8405 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8406 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8407 { | |
| 8408 } | |
| 8409 | |
| 8410 Expression *AddExp::semantic(Scope *sc) | |
| 8411 { Expression *e; | |
| 8412 | |
| 8413 #if LOGSEMANTIC | |
| 8414 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8415 #endif | |
| 8416 if (!type) | |
| 8417 { | |
| 8418 BinExp::semanticp(sc); | |
| 8419 | |
| 8420 e = op_overload(sc); | |
| 8421 if (e) | |
| 8422 return e; | |
| 8423 | |
| 8424 Type *tb1 = e1->type->toBasetype(); | |
| 8425 Type *tb2 = e2->type->toBasetype(); | |
| 8426 | |
| 8427 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8428 (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
|
8429 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8430 ) |
| 8431 { | |
| 8432 type = e1->type; | |
| 8433 e = this; | |
| 8434 } | |
| 8435 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8436 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8437 e = scaleFactor(sc); | |
| 8438 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8439 { | |
| 8440 incompatibleTypes(); | |
| 8441 type = e1->type; | |
| 8442 e = this; | |
| 8443 } | |
| 8444 else | |
| 8445 { | |
| 8446 typeCombine(sc); | |
| 8447 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8448 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8449 { | |
| 8450 switch (type->toBasetype()->ty) | |
| 8451 { | |
| 8452 case Tfloat32: | |
| 8453 case Timaginary32: | |
| 8454 type = Type::tcomplex32; | |
| 8455 break; | |
| 8456 | |
| 8457 case Tfloat64: | |
| 8458 case Timaginary64: | |
| 8459 type = Type::tcomplex64; | |
| 8460 break; | |
| 8461 | |
| 8462 case Tfloat80: | |
| 8463 case Timaginary80: | |
| 8464 type = Type::tcomplex80; | |
| 8465 break; | |
| 8466 | |
| 8467 default: | |
| 8468 assert(0); | |
| 8469 } | |
| 8470 } | |
| 8471 e = this; | |
| 8472 } | |
| 8473 return e; | |
| 8474 } | |
| 8475 return this; | |
| 8476 } | |
| 8477 | |
| 8478 /************************************************************/ | |
| 8479 | |
| 8480 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8481 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8482 { | |
| 8483 } | |
| 8484 | |
| 8485 Expression *MinExp::semantic(Scope *sc) | |
| 8486 { Expression *e; | |
| 8487 Type *t1; | |
| 8488 Type *t2; | |
| 8489 | |
| 8490 #if LOGSEMANTIC | |
| 8491 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8492 #endif | |
| 8493 if (type) | |
| 8494 return this; | |
| 8495 | |
| 8496 BinExp::semanticp(sc); | |
| 8497 | |
| 8498 e = op_overload(sc); | |
| 8499 if (e) | |
| 8500 return e; | |
| 8501 | |
| 8502 e = this; | |
| 8503 t1 = e1->type->toBasetype(); | |
| 8504 t2 = e2->type->toBasetype(); | |
| 8505 if (t1->ty == Tpointer) | |
| 8506 { | |
| 8507 if (t2->ty == Tpointer) | |
| 8508 { // Need to divide the result by the stride | |
| 8509 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8510 d_int64 stride; | |
| 8511 Expression *e; | |
| 8512 | |
| 8513 typeCombine(sc); // make sure pointer types are compatible | |
| 8514 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
|
8515 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
|
8516 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
|
8517 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8518 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
|
8519 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8520 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8521 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8522 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
|
8523 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
|
8524 } |
| 159 | 8525 return e; |
| 8526 } | |
| 8527 else if (t2->isintegral()) | |
| 8528 e = scaleFactor(sc); | |
| 8529 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
|
8530 { error("incompatible types for minus"); |
| 159 | 8531 return new IntegerExp(0); |
| 8532 } | |
| 8533 } | |
| 8534 else if (t2->ty == Tpointer) | |
| 8535 { | |
| 8536 type = e2->type; | |
| 8537 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8538 return new IntegerExp(0); | |
| 8539 } | |
| 8540 else | |
| 8541 { | |
| 8542 typeCombine(sc); | |
| 8543 t1 = e1->type->toBasetype(); | |
| 8544 t2 = e2->type->toBasetype(); | |
| 8545 if ((t1->isreal() && t2->isimaginary()) || | |
| 8546 (t1->isimaginary() && t2->isreal())) | |
| 8547 { | |
| 8548 switch (type->ty) | |
| 8549 { | |
| 8550 case Tfloat32: | |
| 8551 case Timaginary32: | |
| 8552 type = Type::tcomplex32; | |
| 8553 break; | |
| 8554 | |
| 8555 case Tfloat64: | |
| 8556 case Timaginary64: | |
| 8557 type = Type::tcomplex64; | |
| 8558 break; | |
| 8559 | |
| 8560 case Tfloat80: | |
| 8561 case Timaginary80: | |
| 8562 type = Type::tcomplex80; | |
| 8563 break; | |
| 8564 | |
| 8565 default: | |
| 8566 assert(0); | |
| 8567 } | |
| 8568 } | |
| 8569 } | |
| 8570 return e; | |
| 8571 } | |
| 8572 | |
| 8573 /************************* CatExp *****************************/ | |
| 8574 | |
| 8575 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8576 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8577 { | |
| 8578 } | |
| 8579 | |
| 8580 Expression *CatExp::semantic(Scope *sc) | |
| 8581 { Expression *e; | |
| 8582 | |
| 8583 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8584 if (!type) | |
| 8585 { | |
| 8586 BinExp::semanticp(sc); | |
| 8587 e = op_overload(sc); | |
| 8588 if (e) | |
| 8589 return e; | |
| 8590 | |
| 8591 Type *tb1 = e1->type->toBasetype(); | |
| 8592 Type *tb2 = e2->type->toBasetype(); | |
| 8593 | |
| 8594 | |
| 8595 /* BUG: Should handle things like: | |
| 8596 * char c; | |
| 8597 * c ~ ' ' | |
| 8598 * ' ' ~ c; | |
| 8599 */ | |
| 8600 | |
| 8601 #if 0 | |
| 8602 e1->type->print(); | |
| 8603 e2->type->print(); | |
| 8604 #endif | |
| 8605 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8606 e2->type->equals(tb1->next)) | |
| 8607 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8608 type = tb1->nextOf()->arrayOf(); |
| 159 | 8609 if (tb2->ty == Tarray) |
| 8610 { // Make e2 into [e2] | |
| 8611 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8612 e2->type = type; | |
| 8613 } | |
| 8614 return this; | |
| 8615 } | |
| 8616 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8617 e1->type->equals(tb2->next)) | |
| 8618 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8619 type = tb2->nextOf()->arrayOf(); |
| 159 | 8620 if (tb1->ty == Tarray) |
| 8621 { // Make e1 into [e1] | |
| 8622 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8623 e1->type = type; | |
| 8624 } | |
| 8625 return this; | |
| 8626 } | |
| 8627 | |
| 8628 typeCombine(sc); | |
| 8629 | |
| 8630 if (type->toBasetype()->ty == Tsarray) | |
| 8631 type = type->toBasetype()->next->arrayOf(); | |
| 8632 #if 0 | |
| 8633 e1->type->print(); | |
| 8634 e2->type->print(); | |
| 8635 type->print(); | |
| 8636 print(); | |
| 8637 #endif | |
| 8638 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8639 e = optimize(WANTvalue); | |
| 8640 else if (e1->type->equals(e2->type) && | |
| 8641 (e1->type->toBasetype()->ty == Tarray || | |
| 8642 e1->type->toBasetype()->ty == Tsarray)) | |
| 8643 { | |
| 8644 e = this; | |
| 8645 } | |
| 8646 else | |
| 8647 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8648 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8649 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8650 e1->type->toChars(), e2->type->toChars()); | |
| 8651 type = Type::tint32; | |
| 8652 e = this; | |
| 8653 } | |
| 8654 e->type = e->type->semantic(loc, sc); | |
| 8655 return e; | |
| 8656 } | |
| 8657 return this; | |
| 8658 } | |
| 8659 | |
| 8660 /************************************************************/ | |
| 8661 | |
| 8662 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8663 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8664 { | |
| 8665 } | |
| 8666 | |
| 8667 Expression *MulExp::semantic(Scope *sc) | |
| 8668 { Expression *e; | |
| 8669 | |
| 8670 #if 0 | |
| 8671 printf("MulExp::semantic() %s\n", toChars()); | |
| 8672 #endif | |
| 8673 if (type) | |
| 8674 { | |
| 8675 return this; | |
| 8676 } | |
| 8677 | |
| 8678 BinExp::semanticp(sc); | |
| 8679 e = op_overload(sc); | |
| 8680 if (e) | |
| 8681 return e; | |
| 8682 | |
| 8683 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
|
8684 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
|
8685 { 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
|
8686 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
|
8687 } |
| 159 | 8688 if (type->isfloating()) |
| 8689 { Type *t1 = e1->type; | |
| 8690 Type *t2 = e2->type; | |
| 8691 | |
| 8692 if (t1->isreal()) | |
| 8693 { | |
| 8694 type = t2; | |
| 8695 } | |
| 8696 else if (t2->isreal()) | |
| 8697 { | |
| 8698 type = t1; | |
| 8699 } | |
| 8700 else if (t1->isimaginary()) | |
| 8701 { | |
| 8702 if (t2->isimaginary()) | |
| 8703 { Expression *e; | |
| 8704 | |
| 8705 switch (t1->ty) | |
| 8706 { | |
| 8707 case Timaginary32: type = Type::tfloat32; break; | |
| 8708 case Timaginary64: type = Type::tfloat64; break; | |
| 8709 case Timaginary80: type = Type::tfloat80; break; | |
| 8710 default: assert(0); | |
| 8711 } | |
| 8712 | |
| 8713 // iy * iv = -yv | |
| 8714 e1->type = type; | |
| 8715 e2->type = type; | |
| 8716 e = new NegExp(loc, this); | |
| 8717 e = e->semantic(sc); | |
| 8718 return e; | |
| 8719 } | |
| 8720 else | |
| 8721 type = t2; // t2 is complex | |
| 8722 } | |
| 8723 else if (t2->isimaginary()) | |
| 8724 { | |
| 8725 type = t1; // t1 is complex | |
| 8726 } | |
| 8727 } | |
| 8728 return this; | |
| 8729 } | |
| 8730 | |
| 8731 /************************************************************/ | |
| 8732 | |
| 8733 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8734 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8735 { | |
| 8736 } | |
| 8737 | |
| 8738 Expression *DivExp::semantic(Scope *sc) | |
| 8739 { Expression *e; | |
| 8740 | |
| 8741 if (type) | |
| 8742 return this; | |
| 8743 | |
| 8744 BinExp::semanticp(sc); | |
| 8745 e = op_overload(sc); | |
| 8746 if (e) | |
| 8747 return e; | |
| 8748 | |
| 8749 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
|
8750 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
|
8751 { 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
|
8752 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
|
8753 } |
| 159 | 8754 if (type->isfloating()) |
| 8755 { Type *t1 = e1->type; | |
| 8756 Type *t2 = e2->type; | |
| 8757 | |
| 8758 if (t1->isreal()) | |
| 8759 { | |
| 8760 type = t2; | |
| 8761 if (t2->isimaginary()) | |
| 8762 { Expression *e; | |
| 8763 | |
| 8764 // x/iv = i(-x/v) | |
| 8765 e2->type = t1; | |
| 8766 e = new NegExp(loc, this); | |
| 8767 e = e->semantic(sc); | |
| 8768 return e; | |
| 8769 } | |
| 8770 } | |
| 8771 else if (t2->isreal()) | |
| 8772 { | |
| 8773 type = t1; | |
| 8774 } | |
| 8775 else if (t1->isimaginary()) | |
| 8776 { | |
| 8777 if (t2->isimaginary()) | |
| 8778 { | |
| 8779 switch (t1->ty) | |
| 8780 { | |
| 8781 case Timaginary32: type = Type::tfloat32; break; | |
| 8782 case Timaginary64: type = Type::tfloat64; break; | |
| 8783 case Timaginary80: type = Type::tfloat80; break; | |
| 8784 default: assert(0); | |
| 8785 } | |
| 8786 } | |
| 8787 else | |
| 8788 type = t2; // t2 is complex | |
| 8789 } | |
| 8790 else if (t2->isimaginary()) | |
| 8791 { | |
| 8792 type = t1; // t1 is complex | |
| 8793 } | |
| 8794 } | |
| 8795 return this; | |
| 8796 } | |
| 8797 | |
| 8798 /************************************************************/ | |
| 8799 | |
| 8800 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8801 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8802 { | |
| 8803 } | |
| 8804 | |
| 8805 Expression *ModExp::semantic(Scope *sc) | |
| 8806 { Expression *e; | |
| 8807 | |
| 8808 if (type) | |
| 8809 return this; | |
| 8810 | |
| 8811 BinExp::semanticp(sc); | |
| 8812 e = op_overload(sc); | |
| 8813 if (e) | |
| 8814 return e; | |
| 8815 | |
| 8816 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
|
8817 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
|
8818 { 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
|
8819 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
|
8820 } |
| 159 | 8821 if (type->isfloating()) |
| 8822 { type = e1->type; | |
| 8823 if (e2->type->iscomplex()) | |
| 8824 { error("cannot perform modulo complex arithmetic"); | |
| 8825 return new IntegerExp(0); | |
| 8826 } | |
| 8827 } | |
| 8828 return this; | |
| 8829 } | |
| 8830 | |
| 8831 /************************************************************/ | |
| 8832 | |
| 8833 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8834 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8835 { | |
| 8836 } | |
| 8837 | |
| 8838 Expression *ShlExp::semantic(Scope *sc) | |
| 8839 { Expression *e; | |
| 8840 | |
| 8841 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8842 if (!type) | |
| 8843 { BinExp::semanticp(sc); | |
| 8844 e = op_overload(sc); | |
| 8845 if (e) | |
| 8846 return e; | |
| 8847 e1 = e1->checkIntegral(); | |
| 8848 e2 = e2->checkIntegral(); | |
| 8849 e1 = e1->integralPromotions(sc); | |
| 8850 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8851 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8852 type = e1->type; |
| 8853 } | |
| 8854 return this; | |
| 8855 } | |
| 8856 | |
| 8857 /************************************************************/ | |
| 8858 | |
| 8859 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8860 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8861 { | |
| 8862 } | |
| 8863 | |
| 8864 Expression *ShrExp::semantic(Scope *sc) | |
| 8865 { Expression *e; | |
| 8866 | |
| 8867 if (!type) | |
| 8868 { BinExp::semanticp(sc); | |
| 8869 e = op_overload(sc); | |
| 8870 if (e) | |
| 8871 return e; | |
| 8872 e1 = e1->checkIntegral(); | |
| 8873 e2 = e2->checkIntegral(); | |
| 8874 e1 = e1->integralPromotions(sc); | |
| 8875 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8876 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8877 type = e1->type; |
| 8878 } | |
| 8879 return this; | |
| 8880 } | |
| 8881 | |
| 8882 /************************************************************/ | |
| 8883 | |
| 8884 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8885 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8886 { | |
| 8887 } | |
| 8888 | |
| 8889 Expression *UshrExp::semantic(Scope *sc) | |
| 8890 { Expression *e; | |
| 8891 | |
| 8892 if (!type) | |
| 8893 { BinExp::semanticp(sc); | |
| 8894 e = op_overload(sc); | |
| 8895 if (e) | |
| 8896 return e; | |
| 8897 e1 = e1->checkIntegral(); | |
| 8898 e2 = e2->checkIntegral(); | |
| 8899 e1 = e1->integralPromotions(sc); | |
| 8900 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
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parents:
639
diff
changeset
|
8901 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8902 type = e1->type; |
| 8903 } | |
| 8904 return this; | |
| 8905 } | |
| 8906 | |
| 8907 /************************************************************/ | |
| 8908 | |
| 8909 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8910 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8911 { | |
| 8912 } | |
| 8913 | |
| 8914 Expression *AndExp::semantic(Scope *sc) | |
| 8915 { Expression *e; | |
| 8916 | |
| 8917 if (!type) | |
| 8918 { BinExp::semanticp(sc); | |
| 8919 e = op_overload(sc); | |
| 8920 if (e) | |
| 8921 return e; | |
| 8922 if (e1->type->toBasetype()->ty == Tbool && | |
| 8923 e2->type->toBasetype()->ty == Tbool) | |
| 8924 { | |
| 8925 type = e1->type; | |
| 8926 e = this; | |
| 8927 } | |
| 8928 else | |
| 8929 { | |
| 8930 typeCombine(sc); | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8931 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
|
8932 { 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
|
8933 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
|
8934 } |
| 159 | 8935 } |
| 8936 } | |
| 8937 return this; | |
| 8938 } | |
| 8939 | |
| 8940 /************************************************************/ | |
| 8941 | |
| 8942 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8943 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8944 { | |
| 8945 } | |
| 8946 | |
| 8947 Expression *OrExp::semantic(Scope *sc) | |
| 8948 { Expression *e; | |
| 8949 | |
| 8950 if (!type) | |
| 8951 { BinExp::semanticp(sc); | |
| 8952 e = op_overload(sc); | |
| 8953 if (e) | |
| 8954 return e; | |
| 8955 if (e1->type->toBasetype()->ty == Tbool && | |
| 8956 e2->type->toBasetype()->ty == Tbool) | |
| 8957 { | |
| 8958 type = e1->type; | |
| 8959 e = this; | |
| 8960 } | |
| 8961 else | |
| 8962 { | |
| 8963 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
|
8964 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
|
8965 { 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
|
8966 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
|
8967 } |
| 159 | 8968 } |
| 8969 } | |
| 8970 return this; | |
| 8971 } | |
| 8972 | |
| 8973 /************************************************************/ | |
| 8974 | |
| 8975 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 8976 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 8977 { | |
| 8978 } | |
| 8979 | |
| 8980 Expression *XorExp::semantic(Scope *sc) | |
| 8981 { Expression *e; | |
| 8982 | |
| 8983 if (!type) | |
| 8984 { BinExp::semanticp(sc); | |
| 8985 e = op_overload(sc); | |
| 8986 if (e) | |
| 8987 return e; | |
| 8988 if (e1->type->toBasetype()->ty == Tbool && | |
| 8989 e2->type->toBasetype()->ty == Tbool) | |
| 8990 { | |
| 8991 type = e1->type; | |
| 8992 e = this; | |
| 8993 } | |
| 8994 else | |
| 8995 { | |
| 8996 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
|
8997 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
|
8998 { 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
|
8999 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
|
9000 } |
| 159 | 9001 } |
| 9002 } | |
| 9003 return this; | |
| 9004 } | |
| 9005 | |
| 9006 | |
| 9007 /************************************************************/ | |
| 9008 | |
| 9009 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9010 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9011 { | |
| 9012 } | |
| 9013 | |
| 9014 Expression *OrOrExp::semantic(Scope *sc) | |
| 9015 { | |
| 9016 unsigned cs1; | |
| 9017 | |
| 9018 // same as for AndAnd | |
| 9019 e1 = e1->semantic(sc); | |
| 9020 e1 = resolveProperties(sc, e1); | |
| 9021 e1 = e1->checkToPointer(); | |
| 9022 e1 = e1->checkToBoolean(); | |
| 9023 cs1 = sc->callSuper; | |
| 9024 | |
| 9025 if (sc->flags & SCOPEstaticif) | |
| 9026 { | |
| 9027 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9028 */ | |
| 9029 e1 = e1->optimize(WANTflags); | |
| 9030 if (e1->isBool(TRUE)) | |
| 9031 { | |
| 9032 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9033 } | |
| 9034 } | |
| 9035 | |
| 9036 e2 = e2->semantic(sc); | |
| 9037 sc->mergeCallSuper(loc, cs1); | |
| 9038 e2 = resolveProperties(sc, e2); | |
| 9039 e2 = e2->checkToPointer(); | |
| 9040 | |
| 9041 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
|
9042 if (e2->type->ty == Tvoid) |
| 159 | 9043 type = Type::tvoid; |
| 9044 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9045 error("%s is not an expression", e2->toChars()); | |
| 9046 return this; | |
| 9047 } | |
| 9048 | |
| 9049 Expression *OrOrExp::checkToBoolean() | |
| 9050 { | |
| 9051 e2 = e2->checkToBoolean(); | |
| 9052 return this; | |
| 9053 } | |
| 9054 | |
| 9055 int OrOrExp::isBit() | |
| 9056 { | |
| 9057 return TRUE; | |
| 9058 } | |
| 9059 | |
| 9060 int OrOrExp::checkSideEffect(int flag) | |
| 9061 { | |
| 9062 if (flag == 2) | |
| 9063 { | |
| 9064 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9065 } | |
| 9066 else | |
| 9067 { e1->checkSideEffect(1); | |
| 9068 return e2->checkSideEffect(flag); | |
| 9069 } | |
| 9070 } | |
| 9071 | |
| 9072 /************************************************************/ | |
| 9073 | |
| 9074 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9075 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9076 { | |
| 9077 } | |
| 9078 | |
| 9079 Expression *AndAndExp::semantic(Scope *sc) | |
| 9080 { | |
| 9081 unsigned cs1; | |
| 9082 | |
| 9083 // same as for OrOr | |
| 9084 e1 = e1->semantic(sc); | |
| 9085 e1 = resolveProperties(sc, e1); | |
| 9086 e1 = e1->checkToPointer(); | |
| 9087 e1 = e1->checkToBoolean(); | |
| 9088 cs1 = sc->callSuper; | |
| 9089 | |
| 9090 if (sc->flags & SCOPEstaticif) | |
| 9091 { | |
| 9092 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9093 */ | |
| 9094 e1 = e1->optimize(WANTflags); | |
| 9095 if (e1->isBool(FALSE)) | |
| 9096 { | |
| 9097 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9098 } | |
| 9099 } | |
| 9100 | |
| 9101 e2 = e2->semantic(sc); | |
| 9102 sc->mergeCallSuper(loc, cs1); | |
| 9103 e2 = resolveProperties(sc, e2); | |
| 9104 e2 = e2->checkToPointer(); | |
| 9105 | |
| 9106 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
|
9107 if (e2->type->ty == Tvoid) |
| 159 | 9108 type = Type::tvoid; |
| 9109 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9110 error("%s is not an expression", e2->toChars()); | |
| 9111 return this; | |
| 9112 } | |
| 9113 | |
| 9114 Expression *AndAndExp::checkToBoolean() | |
| 9115 { | |
| 9116 e2 = e2->checkToBoolean(); | |
| 9117 return this; | |
| 9118 } | |
| 9119 | |
| 9120 int AndAndExp::isBit() | |
| 9121 { | |
| 9122 return TRUE; | |
| 9123 } | |
| 9124 | |
| 9125 int AndAndExp::checkSideEffect(int flag) | |
| 9126 { | |
| 9127 if (flag == 2) | |
| 9128 { | |
| 9129 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9130 } | |
| 9131 else | |
| 9132 { | |
| 9133 e1->checkSideEffect(1); | |
| 9134 return e2->checkSideEffect(flag); | |
| 9135 } | |
| 9136 } | |
| 9137 | |
| 9138 /************************************************************/ | |
| 9139 | |
| 9140 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9141 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9142 { | |
| 9143 } | |
| 9144 | |
| 9145 Expression *InExp::semantic(Scope *sc) | |
| 9146 { Expression *e; | |
| 9147 | |
| 9148 if (type) | |
| 9149 return this; | |
| 9150 | |
| 9151 BinExp::semanticp(sc); | |
| 9152 e = op_overload(sc); | |
| 9153 if (e) | |
| 9154 return e; | |
| 9155 | |
| 9156 //type = Type::tboolean; | |
| 9157 Type *t2b = e2->type->toBasetype(); | |
| 9158 if (t2b->ty != Taarray) | |
| 9159 { | |
| 9160 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9161 type = Type::terror; | |
| 9162 } | |
| 9163 else | |
| 9164 { | |
| 9165 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9166 | |
| 9167 // Convert key to type of key | |
| 9168 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9169 | |
| 9170 // Return type is pointer to value | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9171 type = ta->nextOf()->pointerTo(); |
| 159 | 9172 } |
| 9173 return this; | |
| 9174 } | |
| 9175 | |
| 9176 int InExp::isBit() | |
| 9177 { | |
| 9178 return FALSE; | |
| 9179 } | |
| 9180 | |
| 9181 | |
| 9182 /************************************************************/ | |
| 9183 | |
| 9184 /* This deletes the key e1 from the associative array e2 | |
| 9185 */ | |
| 9186 | |
| 9187 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9188 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9189 { | |
| 9190 type = Type::tvoid; | |
| 9191 } | |
| 9192 | |
| 9193 /************************************************************/ | |
| 9194 | |
| 9195 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9196 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9197 { | |
| 9198 } | |
| 9199 | |
| 9200 Expression *CmpExp::semantic(Scope *sc) | |
| 9201 { Expression *e; | |
| 9202 Type *t1; | |
| 9203 Type *t2; | |
| 9204 | |
| 9205 #if LOGSEMANTIC | |
| 9206 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9207 #endif | |
| 9208 if (type) | |
| 9209 return this; | |
| 9210 | |
| 9211 BinExp::semanticp(sc); | |
| 9212 | |
| 9213 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9214 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9215 { | |
| 9216 error("do not use null when comparing class types"); | |
| 9217 } | |
| 9218 | |
| 9219 e = op_overload(sc); | |
| 9220 if (e) | |
| 9221 { | |
| 9222 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9223 e = e->semantic(sc); | |
| 9224 return e; | |
| 9225 } | |
| 9226 | |
| 9227 typeCombine(sc); | |
| 9228 type = Type::tboolean; | |
| 9229 | |
| 9230 // Special handling for array comparisons | |
| 9231 t1 = e1->type->toBasetype(); | |
| 9232 t2 = e2->type->toBasetype(); | |
| 9233 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9234 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9235 { | |
| 9236 if (!t1->next->equals(t2->next)) | |
| 9237 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9238 e = this; | |
| 9239 } | |
| 9240 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9241 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9242 { | |
| 9243 if (t2->ty == Tstruct) | |
| 9244 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9245 else | |
| 9246 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9247 e = this; | |
| 9248 } | |
| 9249 #if 1 | |
| 9250 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9251 { | |
| 9252 error("compare not defined for complex operands"); | |
| 9253 e = new IntegerExp(0); | |
| 9254 } | |
| 9255 #endif | |
| 9256 else | |
| 9257 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
|
9258 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9259 return e; |
| 9260 } | |
| 9261 | |
| 9262 int CmpExp::isBit() | |
| 9263 { | |
| 9264 return TRUE; | |
| 9265 } | |
| 9266 | |
| 9267 | |
| 9268 /************************************************************/ | |
| 9269 | |
| 9270 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9271 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9272 { | |
| 9273 assert(op == TOKequal || op == TOKnotequal); | |
| 9274 } | |
| 9275 | |
| 9276 Expression *EqualExp::semantic(Scope *sc) | |
| 9277 { Expression *e; | |
| 9278 Type *t1; | |
| 9279 Type *t2; | |
| 9280 | |
| 9281 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9282 if (type) | |
| 9283 return this; | |
| 9284 | |
| 9285 BinExp::semanticp(sc); | |
| 9286 | |
| 9287 /* Before checking for operator overloading, check to see if we're | |
| 9288 * comparing the addresses of two statics. If so, we can just see | |
| 9289 * if they are the same symbol. | |
| 9290 */ | |
| 9291 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9292 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9293 AddrExp *ae2 = (AddrExp *)e2; | |
| 9294 | |
| 9295 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9296 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9297 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9298 | |
| 9299 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9300 { | |
| 9301 // They are the same, result is 'true' for ==, 'false' for != | |
| 9302 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9303 return e; | |
| 9304 } | |
| 9305 } | |
| 9306 } | |
| 9307 | |
| 9308 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9309 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9310 { | |
| 9311 error("use '%s' instead of '%s' when comparing with null", | |
| 9312 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9313 Token::toChars(op)); | |
| 9314 } | |
| 9315 | |
| 9316 //if (e2->op != TOKnull) | |
| 9317 { | |
| 9318 e = op_overload(sc); | |
| 9319 if (e) | |
| 9320 { | |
| 9321 if (op == TOKnotequal) | |
| 9322 { | |
| 9323 e = new NotExp(e->loc, e); | |
| 9324 e = e->semantic(sc); | |
| 9325 } | |
| 9326 return e; | |
| 9327 } | |
| 9328 } | |
| 9329 | |
| 9330 e = typeCombine(sc); | |
| 9331 type = Type::tboolean; | |
| 9332 | |
| 9333 // Special handling for array comparisons | |
| 9334 t1 = e1->type->toBasetype(); | |
| 9335 t2 = e2->type->toBasetype(); | |
| 9336 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9337 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9338 { | |
| 9339 if (!t1->next->equals(t2->next)) | |
| 9340 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9341 } | |
| 9342 else | |
| 9343 { | |
| 9344 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9345 { | |
| 9346 // Cast both to complex | |
| 9347 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9348 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9349 } | |
| 9350 } | |
| 9351 return e; | |
| 9352 } | |
| 9353 | |
| 9354 int EqualExp::isBit() | |
| 9355 { | |
| 9356 return TRUE; | |
| 9357 } | |
| 9358 | |
| 9359 | |
| 9360 | |
| 9361 /************************************************************/ | |
| 9362 | |
| 9363 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9364 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9365 { | |
| 9366 } | |
| 9367 | |
| 9368 Expression *IdentityExp::semantic(Scope *sc) | |
| 9369 { | |
| 9370 if (type) | |
| 9371 return this; | |
| 9372 | |
| 9373 BinExp::semanticp(sc); | |
| 9374 type = Type::tboolean; | |
| 9375 typeCombine(sc); | |
| 9376 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9377 { | |
| 9378 // Cast both to complex | |
| 9379 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9380 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9381 } | |
| 9382 return this; | |
| 9383 } | |
| 9384 | |
| 9385 int IdentityExp::isBit() | |
| 9386 { | |
| 9387 return TRUE; | |
| 9388 } | |
| 9389 | |
| 9390 | |
| 9391 /****************************************************************/ | |
| 9392 | |
| 9393 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9394 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9395 { | |
| 9396 this->econd = econd; | |
| 9397 } | |
| 9398 | |
| 9399 Expression *CondExp::syntaxCopy() | |
| 9400 { | |
| 9401 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9402 } | |
| 9403 | |
| 9404 | |
| 9405 Expression *CondExp::semantic(Scope *sc) | |
| 9406 { Type *t1; | |
| 9407 Type *t2; | |
| 9408 unsigned cs0; | |
| 9409 unsigned cs1; | |
| 9410 | |
| 9411 #if LOGSEMANTIC | |
| 9412 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9413 #endif | |
| 9414 if (type) | |
| 9415 return this; | |
| 9416 | |
| 9417 econd = econd->semantic(sc); | |
| 9418 econd = resolveProperties(sc, econd); | |
| 9419 econd = econd->checkToPointer(); | |
| 9420 econd = econd->checkToBoolean(); | |
| 9421 | |
| 9422 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9423 * both contribute to the type of the result. | |
| 9424 */ | |
| 9425 if (sc->flags & SCOPEstaticif) | |
| 9426 { | |
| 9427 /* If in static if, don't evaluate what we don't have to. | |
| 9428 */ | |
| 9429 econd = econd->optimize(WANTflags); | |
| 9430 if (econd->isBool(TRUE)) | |
| 9431 { | |
| 9432 e1 = e1->semantic(sc); | |
| 9433 e1 = resolveProperties(sc, e1); | |
| 9434 return e1; | |
| 9435 } | |
| 9436 else if (econd->isBool(FALSE)) | |
| 9437 { | |
| 9438 e2 = e2->semantic(sc); | |
| 9439 e2 = resolveProperties(sc, e2); | |
| 9440 return e2; | |
| 9441 } | |
| 9442 } | |
| 9443 #endif | |
| 9444 | |
| 9445 | |
| 9446 cs0 = sc->callSuper; | |
| 9447 e1 = e1->semantic(sc); | |
| 9448 e1 = resolveProperties(sc, e1); | |
| 9449 cs1 = sc->callSuper; | |
| 9450 sc->callSuper = cs0; | |
| 9451 e2 = e2->semantic(sc); | |
| 9452 e2 = resolveProperties(sc, e2); | |
| 9453 sc->mergeCallSuper(loc, cs1); | |
| 9454 | |
| 9455 | |
| 9456 // If either operand is void, the result is void | |
| 9457 t1 = e1->type; | |
| 9458 t2 = e2->type; | |
| 9459 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9460 type = Type::tvoid; | |
| 9461 else if (t1 == t2) | |
| 9462 type = t1; | |
| 9463 else | |
| 9464 { | |
| 9465 typeCombine(sc); | |
| 9466 switch (e1->type->toBasetype()->ty) | |
| 9467 { | |
| 9468 case Tcomplex32: | |
| 9469 case Tcomplex64: | |
| 9470 case Tcomplex80: | |
| 9471 e2 = e2->castTo(sc, e1->type); | |
| 9472 break; | |
| 9473 } | |
| 9474 switch (e2->type->toBasetype()->ty) | |
| 9475 { | |
| 9476 case Tcomplex32: | |
| 9477 case Tcomplex64: | |
| 9478 case Tcomplex80: | |
| 9479 e1 = e1->castTo(sc, e2->type); | |
| 9480 break; | |
| 9481 } | |
| 9482 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9483 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9484 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9485 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9486 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9487 #endif |
| 159 | 9488 return this; |
| 9489 } | |
| 9490 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9491 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9492 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9493 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9494 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9495 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9496 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9497 |
| 159 | 9498 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9499 { | |
| 9500 PtrExp *e; | |
| 9501 | |
| 9502 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9503 e = new PtrExp(loc, this, type); | |
| 9504 | |
| 9505 e1 = e1->addressOf(sc); | |
| 9506 //e1 = e1->toLvalue(sc, NULL); | |
| 9507 | |
| 9508 e2 = e2->addressOf(sc); | |
| 9509 //e2 = e2->toLvalue(sc, NULL); | |
| 9510 | |
| 9511 typeCombine(sc); | |
| 9512 | |
| 9513 type = e2->type; | |
| 9514 return e; | |
| 9515 } | |
| 9516 | |
| 9517 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9518 { | |
| 9519 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9520 return this; | |
| 9521 } | |
| 9522 | |
| 9523 void CondExp::checkEscape() | |
| 9524 { | |
| 9525 e1->checkEscape(); | |
| 9526 e2->checkEscape(); | |
| 9527 } | |
| 9528 | |
| 9529 | |
| 9530 Expression *CondExp::checkToBoolean() | |
| 9531 { | |
| 9532 e1 = e1->checkToBoolean(); | |
| 9533 e2 = e2->checkToBoolean(); | |
| 9534 return this; | |
| 9535 } | |
| 9536 | |
| 9537 int CondExp::checkSideEffect(int flag) | |
| 9538 { | |
| 9539 if (flag == 2) | |
| 9540 { | |
| 9541 return econd->checkSideEffect(2) || | |
| 9542 e1->checkSideEffect(2) || | |
| 9543 e2->checkSideEffect(2); | |
| 9544 } | |
| 9545 else | |
| 9546 { | |
| 9547 econd->checkSideEffect(1); | |
| 9548 e1->checkSideEffect(flag); | |
| 9549 return e2->checkSideEffect(flag); | |
| 9550 } | |
| 9551 } | |
| 9552 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9553 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9554 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9555 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9556 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9557 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9558 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9559 |
| 159 | 9560 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9561 { | |
| 9562 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9563 buf->writestring(" ? "); | |
| 9564 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9565 buf->writestring(" : "); | |
| 9566 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9567 } | |
| 9568 | |
|
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
|
9569 /************************************************************/ |
|
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
|
9570 |
|
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
|
9571 #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
|
9572 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9573 // 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
|
9574 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9575 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
|
9576 : 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
|
9577 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9578 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
|
9579 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
|
9580 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9581 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9582 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
|
9583 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9584 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
|
9585 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
|
9586 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
|
9587 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9588 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9589 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
|
9590 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9591 // 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
|
9592 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
|
9593 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9594 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9595 #endif |