Mercurial > projects > ldc
annotate dmd/expression.c @ 1133:eeb8b95ea92e
Cleanup DMD 1.041 merge.
| author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
|---|---|
| date | Mon, 23 Mar 2009 20:26:33 +0100 |
| parents | e7f0c2b48047 |
| children | 1860414bf3b7 |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
|
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3 // Copyright (c) 1999-2009 by Digital Mars |
| 159 | 4 // All Rights Reserved |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
|
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14 #include <math.h> |
| 159 | 15 #include <assert.h> |
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16 #if _MSC_VER |
| 159 | 17 #include <complex> |
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18 #else |
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19 #endif |
| 159 | 20 |
| 21 #if _WIN32 && __DMC__ | |
| 22 extern "C" char * __cdecl __locale_decpoint; | |
| 23 #endif | |
| 24 | |
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25 #if __MINGW32__ |
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26 #ifndef isnan |
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27 #define isnan _isnan |
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28 #endif |
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29 #endif |
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30 |
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31 #ifdef __APPLE__ |
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32 #ifndef isnan |
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33 int isnan(double); |
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34 #endif |
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35 #endif |
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36 |
| 159 | 37 #if IN_GCC |
| 38 // Issues with using -include total.h (defines integer_t) and then complex.h fails... | |
| 39 #undef integer_t | |
| 40 #endif | |
| 41 | |
| 42 #ifdef __APPLE__ | |
| 43 #define integer_t dmd_integer_t | |
| 44 #endif | |
| 45 | |
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46 #include "rmem.h" |
| 159 | 47 |
| 48 //#include "port.h" | |
| 49 #include "mtype.h" | |
| 50 #include "init.h" | |
| 51 #include "expression.h" | |
| 52 #include "template.h" | |
| 53 #include "utf.h" | |
| 54 #include "enum.h" | |
| 55 #include "scope.h" | |
| 56 #include "statement.h" | |
| 57 #include "declaration.h" | |
| 58 #include "aggregate.h" | |
| 59 #include "import.h" | |
| 60 #include "id.h" | |
| 61 #include "dsymbol.h" | |
| 62 #include "module.h" | |
| 63 #include "attrib.h" | |
| 64 #include "hdrgen.h" | |
| 65 #include "parse.h" | |
| 66 | |
| 67 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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68 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 69 |
| 70 #define LOGSEMANTIC 0 | |
| 71 | |
| 72 /********************************** | |
| 73 * Set operator precedence for each operator. | |
| 74 */ | |
| 75 | |
| 76 // Operator precedence - greater values are higher precedence | |
| 77 | |
| 78 enum PREC | |
| 79 { | |
| 80 PREC_zero, | |
| 81 PREC_expr, | |
| 82 PREC_assign, | |
| 83 PREC_cond, | |
| 84 PREC_oror, | |
| 85 PREC_andand, | |
| 86 PREC_or, | |
| 87 PREC_xor, | |
| 88 PREC_and, | |
| 89 PREC_equal, | |
| 90 PREC_rel, | |
| 91 PREC_shift, | |
| 92 PREC_add, | |
| 93 PREC_mul, | |
| 94 PREC_unary, | |
| 95 PREC_primary, | |
| 96 }; | |
| 97 | |
| 98 enum PREC precedence[TOKMAX]; | |
| 99 | |
| 100 void initPrecedence() | |
| 101 { | |
| 102 precedence[TOKdotvar] = PREC_primary; | |
| 103 precedence[TOKimport] = PREC_primary; | |
| 104 precedence[TOKidentifier] = PREC_primary; | |
| 105 precedence[TOKthis] = PREC_primary; | |
| 106 precedence[TOKsuper] = PREC_primary; | |
| 107 precedence[TOKint64] = PREC_primary; | |
| 108 precedence[TOKfloat64] = PREC_primary; | |
| 109 precedence[TOKnull] = PREC_primary; | |
| 110 precedence[TOKstring] = PREC_primary; | |
| 111 precedence[TOKarrayliteral] = PREC_primary; | |
| 112 precedence[TOKtypedot] = PREC_primary; | |
| 113 precedence[TOKtypeid] = PREC_primary; | |
| 114 precedence[TOKis] = PREC_primary; | |
| 115 precedence[TOKassert] = PREC_primary; | |
| 116 precedence[TOKfunction] = PREC_primary; | |
| 117 precedence[TOKvar] = PREC_primary; | |
| 336 | 118 #if DMDV2 |
| 119 precedence[TOKdefault] = PREC_primary; | |
| 120 #endif | |
| 159 | 121 |
| 122 // post | |
| 123 precedence[TOKdotti] = PREC_primary; | |
| 124 precedence[TOKdot] = PREC_primary; | |
| 125 // precedence[TOKarrow] = PREC_primary; | |
| 126 precedence[TOKplusplus] = PREC_primary; | |
| 127 precedence[TOKminusminus] = PREC_primary; | |
| 128 precedence[TOKcall] = PREC_primary; | |
| 129 precedence[TOKslice] = PREC_primary; | |
| 130 precedence[TOKarray] = PREC_primary; | |
| 131 | |
| 132 precedence[TOKaddress] = PREC_unary; | |
| 133 precedence[TOKstar] = PREC_unary; | |
| 134 precedence[TOKneg] = PREC_unary; | |
| 135 precedence[TOKuadd] = PREC_unary; | |
| 136 precedence[TOKnot] = PREC_unary; | |
| 137 precedence[TOKtobool] = PREC_add; | |
| 138 precedence[TOKtilde] = PREC_unary; | |
| 139 precedence[TOKdelete] = PREC_unary; | |
| 140 precedence[TOKnew] = PREC_unary; | |
| 141 precedence[TOKcast] = PREC_unary; | |
| 142 | |
| 143 precedence[TOKmul] = PREC_mul; | |
| 144 precedence[TOKdiv] = PREC_mul; | |
| 145 precedence[TOKmod] = PREC_mul; | |
| 146 | |
| 147 precedence[TOKadd] = PREC_add; | |
| 148 precedence[TOKmin] = PREC_add; | |
| 149 precedence[TOKcat] = PREC_add; | |
| 150 | |
| 151 precedence[TOKshl] = PREC_shift; | |
| 152 precedence[TOKshr] = PREC_shift; | |
| 153 precedence[TOKushr] = PREC_shift; | |
| 154 | |
| 155 precedence[TOKlt] = PREC_rel; | |
| 156 precedence[TOKle] = PREC_rel; | |
| 157 precedence[TOKgt] = PREC_rel; | |
| 158 precedence[TOKge] = PREC_rel; | |
| 159 precedence[TOKunord] = PREC_rel; | |
| 160 precedence[TOKlg] = PREC_rel; | |
| 161 precedence[TOKleg] = PREC_rel; | |
| 162 precedence[TOKule] = PREC_rel; | |
| 163 precedence[TOKul] = PREC_rel; | |
| 164 precedence[TOKuge] = PREC_rel; | |
| 165 precedence[TOKug] = PREC_rel; | |
| 166 precedence[TOKue] = PREC_rel; | |
| 167 precedence[TOKin] = PREC_rel; | |
| 168 | |
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169 #if 0 |
| 159 | 170 precedence[TOKequal] = PREC_equal; |
| 171 precedence[TOKnotequal] = PREC_equal; | |
| 172 precedence[TOKidentity] = PREC_equal; | |
| 173 precedence[TOKnotidentity] = PREC_equal; | |
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174 #else |
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175 /* Note that we changed precedence, so that < and != have the same |
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176 * precedence. This change is in the parser, too. |
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177 */ |
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178 precedence[TOKequal] = PREC_rel; |
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179 precedence[TOKnotequal] = PREC_rel; |
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180 precedence[TOKidentity] = PREC_rel; |
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181 precedence[TOKnotidentity] = PREC_rel; |
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182 #endif |
| 159 | 183 |
| 184 precedence[TOKand] = PREC_and; | |
| 185 | |
| 186 precedence[TOKxor] = PREC_xor; | |
| 187 | |
| 188 precedence[TOKor] = PREC_or; | |
| 189 | |
| 190 precedence[TOKandand] = PREC_andand; | |
| 191 | |
| 192 precedence[TOKoror] = PREC_oror; | |
| 193 | |
| 194 precedence[TOKquestion] = PREC_cond; | |
| 195 | |
| 196 precedence[TOKassign] = PREC_assign; | |
| 197 precedence[TOKconstruct] = PREC_assign; | |
| 198 precedence[TOKblit] = PREC_assign; | |
| 199 precedence[TOKaddass] = PREC_assign; | |
| 200 precedence[TOKminass] = PREC_assign; | |
| 201 precedence[TOKcatass] = PREC_assign; | |
| 202 precedence[TOKmulass] = PREC_assign; | |
| 203 precedence[TOKdivass] = PREC_assign; | |
| 204 precedence[TOKmodass] = PREC_assign; | |
| 205 precedence[TOKshlass] = PREC_assign; | |
| 206 precedence[TOKshrass] = PREC_assign; | |
| 207 precedence[TOKushrass] = PREC_assign; | |
| 208 precedence[TOKandass] = PREC_assign; | |
| 209 precedence[TOKorass] = PREC_assign; | |
| 210 precedence[TOKxorass] = PREC_assign; | |
| 211 | |
| 212 precedence[TOKcomma] = PREC_expr; | |
| 213 } | |
| 214 | |
| 336 | 215 /************************************************************* |
| 216 * Given var, we need to get the | |
| 217 * right 'this' pointer if var is in an outer class, but our | |
| 218 * existing 'this' pointer is in an inner class. | |
| 219 * Input: | |
| 220 * e1 existing 'this' | |
| 221 * ad struct or class we need the correct 'this' for | |
| 222 * var the specific member of ad we're accessing | |
| 223 */ | |
| 224 | |
| 225 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 226 Expression *e1, Declaration *var) | |
| 227 { | |
| 228 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 229 L1: | |
| 230 Type *t = e1->type->toBasetype(); | |
| 231 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 232 | |
| 233 /* If e1 is not the 'this' pointer for ad | |
| 234 */ | |
| 235 if (ad && | |
| 236 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 237 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 238 && | |
| 239 !(t->ty == Tstruct && | |
| 240 ((TypeStruct *)t)->sym == ad) | |
| 241 ) | |
| 242 { | |
| 243 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 244 ClassDeclaration *tcd = t->isClassHandle(); | |
| 245 | |
| 246 /* e1 is the right this if ad is a base class of e1 | |
| 247 */ | |
| 248 if (!cd || !tcd || | |
| 249 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 250 ) | |
| 251 { | |
| 252 /* Only classes can be inner classes with an 'outer' | |
| 253 * member pointing to the enclosing class instance | |
| 254 */ | |
| 255 if (tcd && tcd->isNested()) | |
| 256 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 257 * Rewrite it as the 'this' pointer for the outer class. | |
| 258 */ | |
| 259 | |
| 260 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 261 e1->type = tcd->vthis->type; | |
| 262 // Do not call checkNestedRef() | |
| 263 //e1 = e1->semantic(sc); | |
| 264 | |
| 265 // Skip up over nested functions, and get the enclosing | |
| 266 // class type. | |
| 267 int n = 0; | |
| 268 Dsymbol *s; | |
| 269 for (s = tcd->toParent(); | |
| 270 s && s->isFuncDeclaration(); | |
| 271 s = s->toParent()) | |
| 272 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 273 if (f->vthis) | |
| 274 { | |
| 275 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 276 n++; | |
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277 |
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278 // LDC seems dmd misses it sometimes here :/ |
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279 f->vthis->nestedref = 1; |
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280 |
| 336 | 281 e1 = new VarExp(loc, f->vthis); |
| 282 } | |
| 283 } | |
| 284 if (s && s->isClassDeclaration()) | |
| 285 { e1->type = s->isClassDeclaration()->type; | |
| 286 if (n > 1) | |
| 287 e1 = e1->semantic(sc); | |
| 288 } | |
| 289 else | |
| 290 e1 = e1->semantic(sc); | |
| 291 goto L1; | |
| 292 } | |
| 293 /* Can't find a path from e1 to ad | |
| 294 */ | |
| 295 e1->error("this for %s needs to be type %s not type %s", | |
| 296 var->toChars(), ad->toChars(), t->toChars()); | |
| 297 } | |
| 298 } | |
| 299 return e1; | |
| 300 } | |
| 301 | |
| 159 | 302 /***************************************** |
| 303 * Determine if 'this' is available. | |
| 304 * If it is, return the FuncDeclaration that has it. | |
| 305 */ | |
| 306 | |
| 307 FuncDeclaration *hasThis(Scope *sc) | |
| 308 { FuncDeclaration *fd; | |
| 309 FuncDeclaration *fdthis; | |
| 310 | |
| 311 //printf("hasThis()\n"); | |
| 312 fdthis = sc->parent->isFuncDeclaration(); | |
| 313 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 314 | |
| 315 // Go upwards until we find the enclosing member function | |
| 316 fd = fdthis; | |
| 317 while (1) | |
| 318 { | |
| 319 if (!fd) | |
| 320 { | |
| 321 goto Lno; | |
| 322 } | |
| 323 if (!fd->isNested()) | |
| 324 break; | |
| 325 | |
| 326 Dsymbol *parent = fd->parent; | |
| 327 while (parent) | |
| 328 { | |
| 329 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 330 if (ti) | |
| 331 parent = ti->parent; | |
| 332 else | |
| 333 break; | |
| 334 } | |
| 335 | |
| 336 fd = fd->parent->isFuncDeclaration(); | |
| 337 } | |
| 338 | |
| 339 if (!fd->isThis()) | |
| 340 { //printf("test '%s'\n", fd->toChars()); | |
| 341 goto Lno; | |
| 342 } | |
| 343 | |
| 344 assert(fd->vthis); | |
| 345 return fd; | |
| 346 | |
| 347 Lno: | |
| 348 return NULL; // don't have 'this' available | |
| 349 } | |
| 350 | |
| 351 | |
| 352 /*************************************** | |
| 353 * Pull out any properties. | |
| 354 */ | |
| 355 | |
| 356 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 357 { | |
| 358 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 359 if (e->type) | |
| 360 { | |
| 361 Type *t = e->type->toBasetype(); | |
| 362 | |
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363 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 364 { |
| 365 e = new CallExp(e->loc, e); | |
| 366 e = e->semantic(sc); | |
| 367 } | |
| 368 | |
| 369 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 370 */ | |
| 371 else if (e->op == TOKvar) | |
| 372 { VarExp *ve = (VarExp *)e; | |
| 373 | |
| 374 if (ve->var->storage_class & STClazy) | |
| 375 { | |
| 376 e = new CallExp(e->loc, e); | |
| 377 e = e->semantic(sc); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 else if (e->op == TOKdotexp) | |
| 382 { | |
| 383 e->error("expression has no value"); | |
| 384 } | |
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385 |
| 159 | 386 } |
| 387 return e; | |
| 388 } | |
| 389 | |
| 390 /****************************** | |
| 391 * Perform semantic() on an array of Expressions. | |
| 392 */ | |
| 393 | |
| 394 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 395 { | |
| 396 if (exps) | |
| 397 { | |
| 398 for (size_t i = 0; i < exps->dim; i++) | |
| 399 { Expression *e = (Expression *)exps->data[i]; | |
| 400 | |
| 401 e = e->semantic(sc); | |
| 402 exps->data[i] = (void *)e; | |
| 403 } | |
| 404 } | |
| 405 } | |
| 406 | |
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407 |
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408 /****************************** |
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409 * Perform canThrow() on an array of Expressions. |
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410 */ |
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411 |
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412 #if DMDV2 |
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413 int arrayExpressionCanThrow(Expressions *exps) |
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414 { |
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415 if (exps) |
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416 { |
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417 for (size_t i = 0; i < exps->dim; i++) |
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418 { Expression *e = (Expression *)exps->data[i]; |
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419 if (e && e->canThrow()) |
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420 return 1; |
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421 } |
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422 } |
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423 return 0; |
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424 } |
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425 #endif |
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426 |
| 159 | 427 /**************************************** |
| 428 * Expand tuples. | |
| 429 */ | |
| 430 | |
| 431 void expandTuples(Expressions *exps) | |
| 432 { | |
| 433 //printf("expandTuples()\n"); | |
| 434 if (exps) | |
| 435 { | |
| 436 for (size_t i = 0; i < exps->dim; i++) | |
| 437 { Expression *arg = (Expression *)exps->data[i]; | |
| 438 if (!arg) | |
| 439 continue; | |
| 440 | |
| 441 // Look for tuple with 0 members | |
| 442 if (arg->op == TOKtype) | |
| 443 { TypeExp *e = (TypeExp *)arg; | |
| 444 if (e->type->toBasetype()->ty == Ttuple) | |
| 445 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 446 | |
| 447 if (!tt->arguments || tt->arguments->dim == 0) | |
| 448 { | |
| 449 exps->remove(i); | |
| 450 if (i == exps->dim) | |
| 451 return; | |
| 452 i--; | |
| 453 continue; | |
| 454 } | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 // Inline expand all the tuples | |
| 459 while (arg->op == TOKtuple) | |
| 460 { TupleExp *te = (TupleExp *)arg; | |
| 461 | |
| 462 exps->remove(i); // remove arg | |
| 463 exps->insert(i, te->exps); // replace with tuple contents | |
| 464 if (i == exps->dim) | |
| 465 return; // empty tuple, no more arguments | |
| 466 arg = (Expression *)exps->data[i]; | |
| 467 } | |
| 468 } | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 /**************************************** | |
| 473 * Preprocess arguments to function. | |
| 474 */ | |
| 475 | |
| 476 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 477 { | |
| 478 if (exps) | |
| 479 { | |
| 480 expandTuples(exps); | |
| 481 | |
| 482 for (size_t i = 0; i < exps->dim; i++) | |
| 483 { Expression *arg = (Expression *)exps->data[i]; | |
| 484 | |
| 485 if (!arg->type) | |
| 486 { | |
| 487 #ifdef DEBUG | |
| 488 if (!global.gag) | |
| 489 printf("1: \n"); | |
| 490 #endif | |
| 491 arg->error("%s is not an expression", arg->toChars()); | |
| 492 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 493 } | |
| 494 | |
| 495 arg = resolveProperties(sc, arg); | |
| 496 exps->data[i] = (void *) arg; | |
| 497 | |
| 498 //arg->rvalue(); | |
| 499 #if 0 | |
| 500 if (arg->type->ty == Tfunction) | |
| 501 { | |
| 502 arg = new AddrExp(arg->loc, arg); | |
| 503 arg = arg->semantic(sc); | |
| 504 exps->data[i] = (void *) arg; | |
| 505 } | |
| 506 #endif | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 | |
| 336 | 511 /********************************************* |
| 512 * Call copy constructor for struct value argument. | |
| 513 */ | |
| 514 #if DMDV2 | |
| 515 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 516 { | |
| 517 Type *tb = e->type->toBasetype(); | |
| 518 assert(tb->ty == Tstruct); | |
| 519 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 520 if (sd->cpctor) | |
| 521 { | |
| 522 /* Create a variable tmp, and replace the argument e with: | |
| 523 * (tmp = e),tmp | |
| 524 * and let AssignExp() handle the construction. | |
| 525 * This is not the most efficent, ideally tmp would be constructed | |
| 526 * directly onto the stack. | |
| 527 */ | |
| 528 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 529 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 530 Expression *ae = new DeclarationExp(loc, tmp); | |
| 531 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 532 e = e->semantic(sc); | |
| 533 } | |
| 534 return e; | |
| 535 } | |
| 536 #endif | |
| 159 | 537 |
| 538 /**************************************** | |
| 539 * Now that we know the exact type of the function we're calling, | |
| 540 * the arguments[] need to be adjusted: | |
|
510
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541 * 1. implicitly convert argument to the corresponding parameter type |
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542 * 2. add default arguments for any missing arguments |
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543 * 3. do default promotions on arguments corresponding to ... |
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544 * 4. add hidden _arguments[] argument |
| 159 | 545 */ |
| 546 | |
| 547 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 548 { | |
| 549 unsigned n; | |
| 550 | |
| 551 //printf("functionArguments()\n"); | |
| 552 assert(arguments); | |
| 553 size_t nargs = arguments ? arguments->dim : 0; | |
| 554 size_t nparams = Argument::dim(tf->parameters); | |
| 555 | |
| 556 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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557 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 558 |
| 559 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 560 | |
|
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561 int done = 0; |
| 159 | 562 for (size_t i = 0; i < n; i++) |
| 563 { | |
| 564 Expression *arg; | |
| 565 | |
| 566 if (i < nargs) | |
| 567 arg = (Expression *)arguments->data[i]; | |
| 568 else | |
| 569 arg = NULL; | |
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570 Type *tb; |
| 159 | 571 |
| 572 if (i < nparams) | |
| 573 { | |
| 574 Argument *p = Argument::getNth(tf->parameters, i); | |
| 575 | |
| 576 if (!arg) | |
| 577 { | |
| 578 if (!p->defaultArg) | |
| 579 { | |
| 580 if (tf->varargs == 2 && i + 1 == nparams) | |
| 581 goto L2; | |
|
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- Updated to DMD frontend 1.041.
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582 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 583 break; |
| 584 } | |
| 336 | 585 arg = p->defaultArg; |
| 586 #if DMDV2 | |
| 587 if (arg->op == TOKdefault) | |
| 588 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 589 arg = de->resolve(loc, sc); | |
| 590 } | |
| 591 else | |
| 592 #endif | |
| 593 arg = arg->copy(); | |
| 159 | 594 arguments->push(arg); |
| 595 nargs++; | |
| 596 } | |
| 597 | |
| 598 if (tf->varargs == 2 && i + 1 == nparams) | |
| 599 { | |
| 600 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 601 if (arg->implicitConvTo(p->type)) | |
| 602 { | |
| 603 if (nargs != nparams) | |
|
1103
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604 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 605 goto L1; |
| 606 } | |
| 607 L2: | |
| 608 Type *tb = p->type->toBasetype(); | |
| 609 Type *tret = p->isLazyArray(); | |
| 610 switch (tb->ty) | |
| 611 { | |
| 612 case Tsarray: | |
| 613 case Tarray: | |
| 614 { // Create a static array variable v of type arg->type | |
| 615 #ifdef IN_GCC | |
| 616 /* GCC 4.0 does not like zero length arrays used like | |
| 617 this; pass a null array value instead. Could also | |
| 618 just make a one-element array. */ | |
| 619 if (nargs - i == 0) | |
| 620 { | |
| 621 arg = new NullExp(loc); | |
| 622 break; | |
| 623 } | |
| 624 #endif | |
|
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625 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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626 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 627 t = t->semantic(loc, sc); |
| 628 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 629 v->semantic(sc); | |
| 630 v->parent = sc->parent; | |
| 631 //sc->insert(v); | |
| 632 | |
| 633 Expression *c = new DeclarationExp(0, v); | |
| 634 c->type = v->type; | |
| 635 | |
| 636 for (size_t u = i; u < nargs; u++) | |
| 637 { Expression *a = (Expression *)arguments->data[u]; | |
|
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|
638 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 639 a = a->toDelegate(sc, tret); |
| 640 | |
| 641 Expression *e = new VarExp(loc, v); | |
| 642 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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643 AssignExp *ae = new AssignExp(loc, e, a); |
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644 #if DMDV2 |
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645 ae->op = TOKconstruct; |
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646 #endif |
| 159 | 647 if (c) |
|
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648 c = new CommaExp(loc, c, ae); |
| 159 | 649 else |
|
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|
650 c = ae; |
| 159 | 651 } |
| 652 arg = new VarExp(loc, v); | |
| 653 if (c) | |
| 654 arg = new CommaExp(loc, c, arg); | |
| 655 break; | |
| 656 } | |
| 657 case Tclass: | |
| 658 { /* Set arg to be: | |
| 659 * new Tclass(arg0, arg1, ..., argn) | |
| 660 */ | |
| 661 Expressions *args = new Expressions(); | |
| 662 args->setDim(nargs - i); | |
| 663 for (size_t u = i; u < nargs; u++) | |
| 664 args->data[u - i] = arguments->data[u]; | |
| 665 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 666 break; | |
| 667 } | |
| 668 default: | |
| 669 if (!arg) | |
| 670 { error(loc, "not enough arguments"); | |
| 671 return; | |
| 672 } | |
| 673 break; | |
| 674 } | |
| 675 arg = arg->semantic(sc); | |
| 676 //printf("\targ = '%s'\n", arg->toChars()); | |
| 677 arguments->setDim(i + 1); | |
| 678 done = 1; | |
| 679 } | |
| 680 | |
| 681 L1: | |
| 682 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 683 arg = arg->implicitCastTo(sc, p->type); | |
| 684 if (p->storageClass & (STCout | STCref)) | |
| 685 { | |
| 686 // BUG: should check that argument to ref is type 'invariant' | |
| 687 // BUG: assignments to ref should also be type 'invariant' | |
| 688 arg = arg->modifiableLvalue(sc, arg); | |
| 689 | |
| 690 //if (arg->op == TOKslice) | |
| 691 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 692 } | |
| 693 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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|
694 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
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|
695 #if !IN_LLVM |
| 159 | 696 // Convert static arrays to pointers |
| 697 tb = arg->type->toBasetype(); | |
| 698 if (tb->ty == Tsarray) | |
| 699 { | |
| 700 arg = arg->checkToPointer(); | |
| 701 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
702 #endif |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
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|
703 |
|
875
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|
704 #if DMDV2 |
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705 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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|
706 { |
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|
707 arg = callCpCtor(loc, sc, arg); |
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708 } |
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709 #endif |
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|
710 |
| 159 | 711 // Convert lazy argument to a delegate |
| 712 if (p->storageClass & STClazy) | |
| 713 { | |
| 714 arg = arg->toDelegate(sc, p->type); | |
| 715 } | |
|
875
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|
716 #if DMDV2 |
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717 /* Look for arguments that cannot 'escape' from the called |
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diff
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|
718 * function. |
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diff
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|
719 */ |
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|
720 if (!tf->parameterEscapes(p)) |
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330f999ade44
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diff
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|
721 { |
|
330f999ade44
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diff
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|
722 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
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diff
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|
723 * appearance was scoped, there cannot be any others. |
|
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Merged DMD 1.038
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diff
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|
724 */ |
|
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|
725 if (arg->op == TOKfunction) |
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Merged DMD 1.038
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diff
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|
726 { FuncExp *fe = (FuncExp *)arg; |
|
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diff
changeset
|
727 fe->fd->tookAddressOf = 0; |
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diff
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|
728 } |
|
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diff
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|
729 |
|
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diff
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|
730 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
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diff
changeset
|
731 * this doesn't count as taking the address of it. |
|
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Merged DMD 1.038
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diff
changeset
|
732 * We only worry about 'escaping' references to the function. |
|
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846
diff
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|
733 */ |
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734 else if (arg->op == TOKdelegate) |
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735 { DelegateExp *de = (DelegateExp *)arg; |
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736 if (de->e1->op == TOKvar) |
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737 { VarExp *ve = (VarExp *)de->e1; |
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738 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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739 if (f) |
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740 { f->tookAddressOf--; |
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741 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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742 } |
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|
743 } |
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744 } |
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745 } |
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746 #endif |
| 159 | 747 } |
| 748 else | |
| 749 { | |
| 750 | |
| 751 // If not D linkage, do promotions | |
|
723
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752 // LDC: don't do promotions on intrinsics |
|
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|
753 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 754 { |
| 755 // Promote bytes, words, etc., to ints | |
| 756 arg = arg->integralPromotions(sc); | |
| 757 | |
| 758 // Promote floats to doubles | |
| 759 switch (arg->type->ty) | |
| 760 { | |
| 761 case Tfloat32: | |
| 762 arg = arg->castTo(sc, Type::tfloat64); | |
| 763 break; | |
| 764 | |
| 765 case Timaginary32: | |
| 766 arg = arg->castTo(sc, Type::timaginary64); | |
| 767 break; | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 // Convert static arrays to dynamic arrays | |
| 772 tb = arg->type->toBasetype(); | |
| 773 if (tb->ty == Tsarray) | |
| 774 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 775 Type *ta = ts->next->arrayOf(); |
| 159 | 776 if (ts->size(arg->loc) == 0) |
| 777 { arg = new NullExp(arg->loc); | |
| 778 arg->type = ta; | |
| 779 } | |
| 780 else | |
| 781 arg = arg->castTo(sc, ta); | |
| 782 } | |
| 336 | 783 #if DMDV2 |
| 784 if (tb->ty == Tstruct) | |
| 785 { | |
| 786 arg = callCpCtor(loc, sc, arg); | |
| 787 } | |
| 788 | |
| 789 // Give error for overloaded function addresses | |
| 790 if (arg->op == TOKsymoff) | |
| 791 { SymOffExp *se = (SymOffExp *)arg; | |
| 792 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 793 arg->error("function %s is overloaded", arg->toChars()); | |
| 794 } | |
| 795 #endif | |
| 159 | 796 arg->rvalue(); |
| 797 } | |
| 798 arg = arg->optimize(WANTvalue); | |
| 799 arguments->data[i] = (void *) arg; | |
| 800 if (done) | |
| 801 break; | |
| 802 } | |
| 803 | |
| 804 #if !IN_LLVM | |
| 805 // If D linkage and variadic, add _arguments[] as first argument | |
| 806 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 807 { | |
| 808 Expression *e; | |
| 809 | |
| 810 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 811 arguments->dim - nparams); | |
| 812 arguments->insert(0, e); | |
| 813 } | |
| 814 #endif | |
| 815 } | |
| 816 | |
| 817 /************************************************** | |
| 818 * Write expression out to buf, but wrap it | |
| 819 * in ( ) if its precedence is less than pr. | |
| 820 */ | |
| 821 | |
| 822 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 823 { | |
| 336 | 824 //if (precedence[e->op] == 0) e->dump(0); |
|
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825 if (precedence[e->op] < pr || |
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826 /* Despite precedence, we don't allow a<b<c expressions. |
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827 * They must be parenthesized. |
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828 */ |
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|
829 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 830 { |
| 831 buf->writeByte('('); | |
| 832 e->toCBuffer(buf, hgs); | |
| 833 buf->writeByte(')'); | |
| 834 } | |
| 835 else | |
| 836 e->toCBuffer(buf, hgs); | |
| 837 } | |
| 838 | |
| 839 /************************************************** | |
| 840 * Write out argument list to buf. | |
| 841 */ | |
| 842 | |
| 843 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 844 { | |
| 845 if (arguments) | |
| 846 { | |
| 847 for (size_t i = 0; i < arguments->dim; i++) | |
| 848 { Expression *arg = (Expression *)arguments->data[i]; | |
| 849 | |
| 850 if (arg) | |
| 851 { if (i) | |
| 852 buf->writeByte(','); | |
| 853 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 854 } | |
| 855 } | |
| 856 } | |
| 857 } | |
| 858 | |
| 859 /************************************************** | |
| 860 * Write out argument types to buf. | |
| 861 */ | |
| 862 | |
| 863 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 864 { | |
| 865 if (arguments) | |
| 866 { OutBuffer argbuf; | |
| 867 | |
| 868 for (size_t i = 0; i < arguments->dim; i++) | |
| 869 { Expression *arg = (Expression *)arguments->data[i]; | |
| 870 | |
| 871 if (i) | |
| 872 buf->writeByte(','); | |
| 873 argbuf.reset(); | |
| 874 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 875 buf->write(&argbuf); | |
| 876 } | |
| 877 } | |
| 878 } | |
| 879 | |
| 880 /******************************** Expression **************************/ | |
| 881 | |
| 882 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 883 : loc(loc) | |
| 884 { | |
|
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885 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 886 this->loc = loc; |
| 887 this->op = op; | |
| 888 this->size = size; | |
| 889 type = NULL; | |
| 890 } | |
| 891 | |
| 892 Expression *Expression::syntaxCopy() | |
| 893 { | |
| 894 //printf("Expression::syntaxCopy()\n"); | |
| 895 //dump(0); | |
| 896 return copy(); | |
| 897 } | |
| 898 | |
| 899 /********************************* | |
| 900 * Does *not* do a deep copy. | |
| 901 */ | |
| 902 | |
| 903 Expression *Expression::copy() | |
| 904 { | |
| 905 Expression *e; | |
| 906 if (!size) | |
| 907 { | |
| 908 #ifdef DEBUG | |
| 909 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 910 printf("op = %d\n", op); | |
| 911 dump(0); | |
| 912 #endif | |
| 913 assert(0); | |
| 914 } | |
| 915 e = (Expression *)mem.malloc(size); | |
|
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916 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 917 return (Expression *)memcpy(e, this, size); |
| 918 } | |
| 919 | |
| 920 /************************** | |
| 921 * Semantically analyze Expression. | |
| 922 * Determine types, fold constants, etc. | |
| 923 */ | |
| 924 | |
| 925 Expression *Expression::semantic(Scope *sc) | |
| 926 { | |
| 927 #if LOGSEMANTIC | |
| 336 | 928 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 929 #endif |
| 930 if (type) | |
| 931 type = type->semantic(loc, sc); | |
| 932 else | |
| 933 type = Type::tvoid; | |
| 934 return this; | |
| 935 } | |
| 936 | |
| 937 void Expression::print() | |
| 938 { | |
| 939 fprintf(stdmsg, "%s\n", toChars()); | |
| 940 fflush(stdmsg); | |
| 941 } | |
| 942 | |
| 943 char *Expression::toChars() | |
| 944 { OutBuffer *buf; | |
| 945 HdrGenState hgs; | |
| 946 | |
| 947 memset(&hgs, 0, sizeof(hgs)); | |
| 948 buf = new OutBuffer(); | |
| 949 toCBuffer(buf, &hgs); | |
| 950 return buf->toChars(); | |
| 951 } | |
| 952 | |
| 953 void Expression::error(const char *format, ...) | |
| 954 { | |
| 955 va_list ap; | |
| 956 va_start(ap, format); | |
| 957 ::verror(loc, format, ap); | |
| 958 va_end( ap ); | |
| 959 } | |
| 960 | |
|
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961 void Expression::warning(const char *format, ...) |
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962 { |
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963 if (global.params.warnings && !global.gag) |
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964 { |
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965 va_list ap; |
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966 va_start(ap, format); |
|
1124
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|
967 ::vwarning(loc, format, ap); |
|
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968 va_end( ap ); |
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969 } |
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970 } |
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971 |
| 159 | 972 void Expression::rvalue() |
| 973 { | |
| 974 if (type && type->toBasetype()->ty == Tvoid) | |
| 975 { error("expression %s is void and has no value", toChars()); | |
| 976 #if 0 | |
| 977 dump(0); | |
| 978 halt(); | |
| 979 #endif | |
| 336 | 980 type = Type::tint32; |
| 159 | 981 } |
| 982 } | |
| 983 | |
| 984 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 985 { | |
| 986 if (e1) | |
| 987 { | |
| 988 if (e2) | |
| 989 { | |
| 990 e1 = new CommaExp(e1->loc, e1, e2); | |
| 991 e1->type = e2->type; | |
| 992 } | |
| 993 } | |
| 994 else | |
| 995 e1 = e2; | |
| 996 return e1; | |
| 997 } | |
| 998 | |
| 999 integer_t Expression::toInteger() | |
| 1000 { | |
| 1001 //printf("Expression %s\n", Token::toChars(op)); | |
| 1002 error("Integer constant expression expected instead of %s", toChars()); | |
| 1003 return 0; | |
| 1004 } | |
| 1005 | |
| 1006 uinteger_t Expression::toUInteger() | |
| 1007 { | |
| 1008 //printf("Expression %s\n", Token::toChars(op)); | |
| 1009 return (uinteger_t)toInteger(); | |
| 1010 } | |
| 1011 | |
| 1012 real_t Expression::toReal() | |
| 1013 { | |
| 1014 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1015 return 0; | |
| 1016 } | |
| 1017 | |
| 1018 real_t Expression::toImaginary() | |
| 1019 { | |
| 1020 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1021 return 0; | |
| 1022 } | |
| 1023 | |
| 1024 complex_t Expression::toComplex() | |
| 1025 { | |
| 1026 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1027 #ifdef IN_GCC | |
| 1028 return complex_t(real_t(0)); // %% nicer | |
| 1029 #else | |
| 1030 return 0; | |
| 1031 #endif | |
| 1032 } | |
| 1033 | |
| 1034 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1035 { | |
| 1036 buf->writestring(Token::toChars(op)); | |
| 1037 } | |
| 1038 | |
| 1039 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1040 { | |
| 1041 error("expression %s is not a valid template value argument", toChars()); | |
| 1042 } | |
| 1043 | |
|
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1044 /*************************************** |
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1045 * Return !=0 if expression is an lvalue. |
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1046 */ |
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1047 #if DMDV2 |
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1048 int Expression::isLvalue() |
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1049 { |
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1050 return 0; |
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1051 } |
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1052 #endif |
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|
1053 |
| 159 | 1054 /******************************* |
| 1055 * Give error if we're not an lvalue. | |
| 1056 * If we can, convert expression to be an lvalue. | |
| 1057 */ | |
| 1058 | |
| 1059 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1060 { | |
| 1061 if (!e) | |
| 1062 e = this; | |
| 1063 else if (!loc.filename) | |
| 1064 loc = e->loc; | |
| 1065 error("%s is not an lvalue", e->toChars()); | |
| 1066 return this; | |
| 1067 } | |
| 1068 | |
| 1069 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1070 { | |
|
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1071 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
|
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|
1072 |
| 159 | 1073 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1074 #if DMDV2 |
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1075 if (type && (!type->isMutable() || !type->isAssignable())) |
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|
1076 error("%s is not mutable", e->toChars()); |
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|
1077 #endif |
| 159 | 1078 return toLvalue(sc, e); |
| 1079 } | |
| 1080 | |
| 1081 /************************************ | |
| 1082 * Detect cases where pointers to the stack can 'escape' the | |
| 1083 * lifetime of the stack frame. | |
| 1084 */ | |
| 1085 | |
| 1086 void Expression::checkEscape() | |
| 1087 { | |
| 1088 } | |
| 1089 | |
| 1090 void Expression::checkScalar() | |
| 1091 { | |
| 1092 if (!type->isscalar()) | |
| 1093 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1094 } | |
| 1095 | |
| 1096 void Expression::checkNoBool() | |
| 1097 { | |
| 1098 if (type->toBasetype()->ty == Tbool) | |
| 1099 error("operation not allowed on bool '%s'", toChars()); | |
| 1100 } | |
| 1101 | |
| 1102 Expression *Expression::checkIntegral() | |
| 1103 { | |
| 1104 if (!type->isintegral()) | |
| 1105 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1106 return new IntegerExp(0); | |
| 1107 } | |
| 1108 return this; | |
| 1109 } | |
| 1110 | |
| 1111 Expression *Expression::checkArithmetic() | |
| 1112 { | |
| 1113 if (!type->isintegral() && !type->isfloating()) | |
| 1114 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1115 return new IntegerExp(0); | |
| 1116 } | |
| 1117 return this; | |
| 1118 } | |
| 1119 | |
| 1120 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1121 { | |
| 1122 s->checkDeprecated(loc, sc); | |
| 1123 } | |
| 1124 | |
|
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1125 #if DMDV2 |
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1126 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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|
1127 { |
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1128 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
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|
1129 error("pure function '%s' cannot call impure function '%s'\n", |
|
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|
1130 sc->func->toChars(), f->toChars()); |
|
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|
1131 } |
|
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|
1132 #endif |
|
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|
1133 |
| 159 | 1134 /******************************** |
| 1135 * Check for expressions that have no use. | |
| 1136 * Input: | |
| 1137 * flag 0 not going to use the result, so issue error message if no | |
| 1138 * side effects | |
| 1139 * 1 the result of the expression is used, but still check | |
| 1140 * for useless subexpressions | |
| 1141 * 2 do not issue error messages, just return !=0 if expression | |
| 1142 * has side effects | |
| 1143 */ | |
| 1144 | |
| 1145 int Expression::checkSideEffect(int flag) | |
| 1146 { | |
| 1147 if (flag == 0) | |
| 1148 { if (op == TOKimport) | |
| 1149 { | |
| 1150 error("%s has no effect", toChars()); | |
| 1151 } | |
| 1152 else | |
| 1153 error("%s has no effect in expression (%s)", | |
| 1154 Token::toChars(op), toChars()); | |
| 1155 } | |
| 1156 return 0; | |
| 1157 } | |
| 1158 | |
| 1159 /***************************** | |
| 1160 * Check that expression can be tested for true or false. | |
| 1161 */ | |
| 1162 | |
| 1163 Expression *Expression::checkToBoolean() | |
| 1164 { | |
| 1165 // Default is 'yes' - do nothing | |
| 1166 | |
| 1167 #ifdef DEBUG | |
| 1168 if (!type) | |
| 1169 dump(0); | |
| 1170 #endif | |
| 1171 | |
| 1172 if (!type->checkBoolean()) | |
| 1173 { | |
| 1174 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1175 } | |
| 1176 return this; | |
| 1177 } | |
| 1178 | |
| 1179 /**************************** | |
| 1180 */ | |
| 1181 | |
| 1182 Expression *Expression::checkToPointer() | |
| 1183 { | |
| 1184 Expression *e; | |
| 1185 Type *tb; | |
| 1186 | |
| 1187 //printf("Expression::checkToPointer()\n"); | |
| 1188 e = this; | |
| 1189 | |
| 1190 // If C static array, convert to pointer | |
| 1191 tb = type->toBasetype(); | |
| 1192 if (tb->ty == Tsarray) | |
| 1193 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1194 if (ts->size(loc) == 0) | |
| 1195 e = new NullExp(loc); | |
| 1196 else | |
| 1197 e = new AddrExp(loc, this); | |
| 336 | 1198 e->type = ts->next->pointerTo(); |
| 159 | 1199 } |
| 1200 return e; | |
| 1201 } | |
| 1202 | |
| 1203 /****************************** | |
| 1204 * Take address of expression. | |
| 1205 */ | |
| 1206 | |
| 1207 Expression *Expression::addressOf(Scope *sc) | |
| 1208 { | |
| 1209 Expression *e; | |
| 1210 | |
| 1211 //printf("Expression::addressOf()\n"); | |
| 1212 e = toLvalue(sc, NULL); | |
| 1213 e = new AddrExp(loc, e); | |
| 1214 e->type = type->pointerTo(); | |
| 1215 return e; | |
| 1216 } | |
| 1217 | |
| 1218 /****************************** | |
| 1219 * If this is a reference, dereference it. | |
| 1220 */ | |
| 1221 | |
| 1222 Expression *Expression::deref() | |
| 1223 { | |
| 1224 //printf("Expression::deref()\n"); | |
| 1225 if (type->ty == Treference) | |
| 1226 { Expression *e; | |
| 1227 | |
| 1228 e = new PtrExp(loc, this); | |
| 336 | 1229 e->type = ((TypeReference *)type)->next; |
| 159 | 1230 return e; |
| 1231 } | |
| 1232 return this; | |
| 1233 } | |
| 1234 | |
| 1235 /******************************** | |
| 1236 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1237 */ | |
| 1238 | |
| 1239 int Expression::isBool(int result) | |
| 1240 { | |
| 1241 return FALSE; | |
| 1242 } | |
| 1243 | |
| 1244 /******************************** | |
| 1245 * Does this expression result in either a 1 or a 0? | |
| 1246 */ | |
| 1247 | |
| 1248 int Expression::isBit() | |
| 1249 { | |
| 1250 return FALSE; | |
| 1251 } | |
| 1252 | |
| 336 | 1253 /******************************** |
| 1254 * Can this expression throw an exception? | |
| 1255 * Valid only after semantic() pass. | |
| 1256 */ | |
| 1257 | |
| 1258 int Expression::canThrow() | |
| 1259 { | |
|
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|
1260 #if DMDV2 |
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1261 return FALSE; |
|
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|
1262 #else |
| 336 | 1263 return TRUE; |
|
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|
1264 #endif |
| 336 | 1265 } |
| 1266 | |
| 1267 | |
| 1268 | |
| 159 | 1269 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1270 { Expressions *a = NULL; | |
| 1271 | |
| 1272 if (exps) | |
| 1273 { | |
| 1274 a = new Expressions(); | |
| 1275 a->setDim(exps->dim); | |
| 1276 for (int i = 0; i < a->dim; i++) | |
| 1277 { Expression *e = (Expression *)exps->data[i]; | |
| 1278 | |
| 1279 e = e->syntaxCopy(); | |
| 1280 a->data[i] = e; | |
| 1281 } | |
| 1282 } | |
| 1283 return a; | |
| 1284 } | |
| 1285 | |
| 1286 /******************************** IntegerExp **************************/ | |
| 1287 | |
| 1288 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1289 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1290 { | |
| 1291 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1292 if (type && !type->isscalar()) | |
| 1293 { | |
| 336 | 1294 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1295 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1296 type = Type::terror; | |
| 1297 } | |
| 1298 this->type = type; | |
| 1299 this->value = value; | |
| 1300 } | |
| 1301 | |
| 1302 IntegerExp::IntegerExp(integer_t value) | |
| 1303 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1304 { | |
| 1305 this->type = Type::tint32; | |
| 1306 this->value = value; | |
| 1307 } | |
| 1308 | |
| 1309 int IntegerExp::equals(Object *o) | |
| 1310 { IntegerExp *ne; | |
| 1311 | |
| 1312 if (this == o || | |
| 1313 (((Expression *)o)->op == TOKint64 && | |
| 1314 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1315 value == ne->value)) | |
| 1316 return 1; | |
| 1317 return 0; | |
| 1318 } | |
| 1319 | |
| 1320 char *IntegerExp::toChars() | |
| 1321 { | |
| 1322 #if 1 | |
| 1323 return Expression::toChars(); | |
| 1324 #else | |
| 1325 static char buffer[sizeof(value) * 3 + 1]; | |
|
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1326 |
|
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|
1327 sprintf(buffer, "%jd", value); |
| 159 | 1328 return buffer; |
| 1329 #endif | |
| 1330 } | |
| 1331 | |
| 1332 integer_t IntegerExp::toInteger() | |
| 1333 { Type *t; | |
| 1334 | |
| 1335 t = type; | |
| 1336 while (t) | |
| 1337 { | |
| 1338 switch (t->ty) | |
| 1339 { | |
| 1340 case Tbit: | |
| 1341 case Tbool: value = (value != 0); break; | |
| 1342 case Tint8: value = (d_int8) value; break; | |
| 1343 case Tchar: | |
| 1344 case Tuns8: value = (d_uns8) value; break; | |
| 1345 case Tint16: value = (d_int16) value; break; | |
| 1346 case Twchar: | |
| 1347 case Tuns16: value = (d_uns16) value; break; | |
| 1348 case Tint32: value = (d_int32) value; break; | |
| 1349 case Tdchar: | |
| 1350 case Tuns32: value = (d_uns32) value; break; | |
| 1351 case Tint64: value = (d_int64) value; break; | |
| 1352 case Tuns64: value = (d_uns64) value; break; | |
|
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diff
changeset
|
1353 case Tpointer: |
|
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Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1354 // FIXME: Other pointer widths than 32 and 64? |
|
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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parents:
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diff
changeset
|
1355 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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parents:
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diff
changeset
|
1356 value = (d_uns32) value; |
|
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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parents:
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diff
changeset
|
1357 else |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
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diff
changeset
|
1358 value = (d_uns64) value; |
|
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parents:
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diff
changeset
|
1359 break; |
| 159 | 1360 |
| 1361 case Tenum: | |
| 1362 { | |
| 1363 TypeEnum *te = (TypeEnum *)t; | |
| 1364 t = te->sym->memtype; | |
| 1365 continue; | |
| 1366 } | |
| 1367 | |
| 1368 case Ttypedef: | |
| 1369 { | |
| 1370 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1371 t = tt->sym->basetype; | |
| 1372 continue; | |
| 1373 } | |
| 1374 | |
| 1375 default: | |
| 336 | 1376 /* This can happen if errors, such as |
| 1377 * the type is painted on like in fromConstInitializer(). | |
| 1378 */ | |
| 1379 if (!global.errors) | |
| 1380 { type->print(); | |
| 1381 assert(0); | |
| 1382 } | |
| 159 | 1383 break; |
| 1384 } | |
| 1385 break; | |
| 1386 } | |
| 1387 return value; | |
| 1388 } | |
| 1389 | |
| 1390 real_t IntegerExp::toReal() | |
| 1391 { | |
| 1392 Type *t; | |
| 1393 | |
| 1394 toInteger(); | |
| 1395 t = type->toBasetype(); | |
| 1396 if (t->ty == Tuns64) | |
| 1397 return (real_t)(d_uns64)value; | |
| 1398 else | |
| 1399 return (real_t)(d_int64)value; | |
| 1400 } | |
| 1401 | |
| 1402 real_t IntegerExp::toImaginary() | |
| 1403 { | |
| 1404 return (real_t) 0; | |
| 1405 } | |
| 1406 | |
| 1407 complex_t IntegerExp::toComplex() | |
| 1408 { | |
| 1409 return toReal(); | |
| 1410 } | |
| 1411 | |
| 1412 int IntegerExp::isBool(int result) | |
| 1413 { | |
| 1414 return result ? value != 0 : value == 0; | |
| 1415 } | |
| 1416 | |
| 1417 Expression *IntegerExp::semantic(Scope *sc) | |
| 1418 { | |
| 1419 if (!type) | |
| 1420 { | |
| 1421 // Determine what the type of this number is | |
| 1422 integer_t number = value; | |
| 1423 | |
| 1424 if (number & 0x8000000000000000LL) | |
| 1425 type = Type::tuns64; | |
| 1426 else if (number & 0xFFFFFFFF80000000LL) | |
| 1427 type = Type::tint64; | |
| 1428 else | |
| 1429 type = Type::tint32; | |
| 1430 } | |
| 1431 else | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
1432 { if (!type->deco) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
1433 type = type->semantic(loc, sc); |
| 159 | 1434 } |
| 1435 return this; | |
| 1436 } | |
| 1437 | |
| 1438 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1439 { | |
| 1440 if (!e) | |
| 1441 e = this; | |
| 1442 else if (!loc.filename) | |
| 1443 loc = e->loc; | |
| 1444 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1445 return this; | |
| 1446 } | |
| 1447 | |
| 1448 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1449 { | |
| 1450 integer_t v = toInteger(); | |
| 1451 | |
| 1452 if (type) | |
| 1453 { Type *t = type; | |
| 1454 | |
| 1455 L1: | |
| 1456 switch (t->ty) | |
| 1457 { | |
| 1458 case Tenum: | |
| 1459 { TypeEnum *te = (TypeEnum *)t; | |
| 1460 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1461 t = te->sym->memtype; | |
| 1462 goto L1; | |
| 1463 } | |
| 1464 | |
| 1465 case Ttypedef: | |
| 1466 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1467 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1468 t = tt->sym->basetype; | |
| 1469 goto L1; | |
| 1470 } | |
| 1471 | |
| 1472 case Twchar: // BUG: need to cast(wchar) | |
| 1473 case Tdchar: // BUG: need to cast(dchar) | |
| 1474 if ((uinteger_t)v > 0xFF) | |
| 1475 { | |
| 1476 buf->printf("'\\U%08x'", v); | |
| 1477 break; | |
| 1478 } | |
| 1479 case Tchar: | |
| 1480 if (v == '\'') | |
| 1481 buf->writestring("'\\''"); | |
| 1482 else if (isprint(v) && v != '\\') | |
| 1483 buf->printf("'%c'", (int)v); | |
| 1484 else | |
| 1485 buf->printf("'\\x%02x'", (int)v); | |
| 1486 break; | |
| 1487 | |
| 1488 case Tint8: | |
| 1489 buf->writestring("cast(byte)"); | |
| 1490 goto L2; | |
| 1491 | |
| 1492 case Tint16: | |
| 1493 buf->writestring("cast(short)"); | |
| 1494 goto L2; | |
| 1495 | |
| 1496 case Tint32: | |
| 1497 L2: | |
| 1498 buf->printf("%d", (int)v); | |
| 1499 break; | |
| 1500 | |
| 1501 case Tuns8: | |
| 1502 buf->writestring("cast(ubyte)"); | |
| 1503 goto L3; | |
| 1504 | |
| 1505 case Tuns16: | |
| 1506 buf->writestring("cast(ushort)"); | |
| 1507 goto L3; | |
| 1508 | |
| 1509 case Tuns32: | |
| 1510 L3: | |
| 1511 buf->printf("%du", (unsigned)v); | |
| 1512 break; | |
| 1513 | |
| 1514 case Tint64: | |
|
1103
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- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
1515 buf->printf("%jdL", v); |
| 159 | 1516 break; |
| 1517 | |
| 1518 case Tuns64: | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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parents:
1103
diff
changeset
|
1519 L4: |
|
1103
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- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1520 buf->printf("%juLU", v); |
| 159 | 1521 break; |
| 1522 | |
| 1523 case Tbit: | |
| 1524 case Tbool: | |
| 1525 buf->writestring((char *)(v ? "true" : "false")); | |
| 1526 break; | |
| 1527 | |
| 1528 case Tpointer: | |
| 1529 buf->writestring("cast("); | |
| 1530 buf->writestring(t->toChars()); | |
| 1531 buf->writeByte(')'); | |
|
1120
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1532 // FIXME: Other pointer widths than 32 and 64? |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1533 if (PTRSIZE == 4) |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1534 goto L3; |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1535 else |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1536 goto L4; |
| 159 | 1537 |
| 1538 default: | |
| 336 | 1539 /* This can happen if errors, such as |
| 1540 * the type is painted on like in fromConstInitializer(). | |
| 1541 */ | |
| 1542 if (!global.errors) | |
| 1543 { | |
| 159 | 1544 #ifdef DEBUG |
| 336 | 1545 t->print(); |
| 159 | 1546 #endif |
| 336 | 1547 assert(0); |
| 1548 } | |
| 1549 break; | |
| 159 | 1550 } |
| 1551 } | |
| 1552 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1553 buf->printf("0x%jx", v); |
| 159 | 1554 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1555 buf->printf("%jd", v); |
| 159 | 1556 } |
| 1557 | |
| 1558 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1559 { | |
| 1560 if ((sinteger_t)value < 0) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1561 buf->printf("N%jd", -value); |
| 159 | 1562 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1563 buf->printf("%jd", value); |
| 159 | 1564 } |
| 1565 | |
| 1566 /******************************** RealExp **************************/ | |
| 1567 | |
| 1568 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1569 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1570 { | |
| 1571 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1572 this->value = value; | |
| 1573 this->type = type; | |
| 1574 } | |
| 1575 | |
| 1576 char *RealExp::toChars() | |
| 1577 { | |
| 1578 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1579 | |
| 1580 #ifdef IN_GCC | |
| 1581 value.format(buffer, sizeof(buffer)); | |
| 1582 if (type->isimaginary()) | |
| 1583 strcat(buffer, "i"); | |
| 1584 #else | |
| 1585 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1586 #endif | |
| 1587 assert(strlen(buffer) < sizeof(buffer)); | |
| 1588 return mem.strdup(buffer); | |
| 1589 } | |
| 1590 | |
| 1591 integer_t RealExp::toInteger() | |
| 1592 { | |
| 1593 #ifdef IN_GCC | |
| 1594 return toReal().toInt(); | |
| 1595 #else | |
| 1596 return (sinteger_t) toReal(); | |
| 1597 #endif | |
| 1598 } | |
| 1599 | |
| 1600 uinteger_t RealExp::toUInteger() | |
| 1601 { | |
| 1602 #ifdef IN_GCC | |
| 1603 return (uinteger_t) toReal().toInt(); | |
| 1604 #else | |
| 1605 return (uinteger_t) toReal(); | |
| 1606 #endif | |
| 1607 } | |
| 1608 | |
| 1609 real_t RealExp::toReal() | |
| 1610 { | |
| 1611 return type->isreal() ? value : 0; | |
| 1612 } | |
| 1613 | |
| 1614 real_t RealExp::toImaginary() | |
| 1615 { | |
| 1616 return type->isreal() ? 0 : value; | |
| 1617 } | |
| 1618 | |
| 1619 complex_t RealExp::toComplex() | |
| 1620 { | |
| 1621 #ifdef __DMC__ | |
| 1622 return toReal() + toImaginary() * I; | |
| 1623 #else | |
| 1624 return complex_t(toReal(), toImaginary()); | |
| 1625 #endif | |
| 1626 } | |
| 1627 | |
| 1628 /******************************** | |
| 1629 * Test to see if two reals are the same. | |
| 1630 * Regard NaN's as equivalent. | |
| 1631 * Regard +0 and -0 as different. | |
| 1632 */ | |
| 1633 | |
| 1634 int RealEquals(real_t x1, real_t x2) | |
| 1635 { | |
|
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1636 #if __APPLE__ |
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1637 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1638 #else |
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1639 return // special case nans |
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1640 (isnan(x1) && isnan(x2)) || |
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1641 #endif |
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1642 // and zero, in order to distinguish +0 from -0 |
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1643 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1644 // otherwise just compare |
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1645 (x1 != 0. && x1 == x2); |
| 159 | 1646 } |
| 1647 | |
| 1648 int RealExp::equals(Object *o) | |
| 1649 { RealExp *ne; | |
| 1650 | |
| 1651 if (this == o || | |
| 1652 (((Expression *)o)->op == TOKfloat64 && | |
| 1653 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1654 RealEquals(value, ne->value) | |
| 1655 ) | |
| 1656 ) | |
| 1657 return 1; | |
| 1658 return 0; | |
| 1659 } | |
| 1660 | |
| 1661 Expression *RealExp::semantic(Scope *sc) | |
| 1662 { | |
| 1663 if (!type) | |
| 1664 type = Type::tfloat64; | |
| 1665 else | |
| 1666 type = type->semantic(loc, sc); | |
| 1667 return this; | |
| 1668 } | |
| 1669 | |
| 1670 int RealExp::isBool(int result) | |
| 1671 { | |
| 1672 #ifdef IN_GCC | |
| 1673 return result ? (! value.isZero()) : (value.isZero()); | |
| 1674 #else | |
| 1675 return result ? (value != 0) | |
| 1676 : (value == 0); | |
| 1677 #endif | |
| 1678 } | |
| 1679 | |
| 1680 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1681 { | |
| 1682 /* In order to get an exact representation, try converting it | |
| 1683 * to decimal then back again. If it matches, use it. | |
| 1684 * If it doesn't, fall back to hex, which is | |
| 1685 * always exact. | |
| 1686 */ | |
| 1687 char buffer[25]; | |
| 1688 sprintf(buffer, "%Lg", value); | |
| 1689 assert(strlen(buffer) < sizeof(buffer)); | |
| 1690 #if _WIN32 && __DMC__ | |
| 1691 char *save = __locale_decpoint; | |
| 1692 __locale_decpoint = "."; | |
| 1693 real_t r = strtold(buffer, NULL); | |
| 1694 __locale_decpoint = save; | |
| 1695 #else | |
| 1696 real_t r = strtold(buffer, NULL); | |
| 1697 #endif | |
| 1698 if (r == value) // if exact duplication | |
| 1699 buf->writestring(buffer); | |
| 1700 else | |
| 1701 buf->printf("%La", value); // ensure exact duplication | |
| 1702 | |
| 1703 if (type) | |
| 1704 { | |
| 1705 Type *t = type->toBasetype(); | |
| 1706 switch (t->ty) | |
| 1707 { | |
| 1708 case Tfloat32: | |
| 1709 case Timaginary32: | |
| 1710 case Tcomplex32: | |
| 1711 buf->writeByte('F'); | |
| 1712 break; | |
| 1713 | |
| 1714 case Tfloat80: | |
| 1715 case Timaginary80: | |
| 1716 case Tcomplex80: | |
| 1717 buf->writeByte('L'); | |
| 1718 break; | |
| 1719 | |
| 1720 default: | |
| 1721 break; | |
| 1722 } | |
| 1723 if (t->isimaginary()) | |
| 1724 buf->writeByte('i'); | |
| 1725 } | |
| 1726 } | |
| 1727 | |
| 1728 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1729 { | |
| 1730 floatToBuffer(buf, type, value); | |
| 1731 } | |
| 1732 | |
| 1733 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1734 { | |
| 1735 /* Rely on %A to get portable mangling. | |
| 1736 * Must munge result to get only identifier characters. | |
| 1737 * | |
| 1738 * Possible values from %A => mangled result | |
| 1739 * NAN => NAN | |
| 1740 * -INF => NINF | |
| 1741 * INF => INF | |
| 1742 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1743 * 0X1.9P+2 => 19P2 | |
| 1744 */ | |
| 1745 | |
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1748 #else |
| 159 | 1749 if (isnan(value)) |
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1750 #endif |
| 159 | 1751 buf->writestring("NAN"); // no -NAN bugs |
| 1752 else | |
| 1753 { | |
| 1754 char buffer[32]; | |
| 1755 int n = sprintf(buffer, "%LA", value); | |
| 1756 assert(n > 0 && n < sizeof(buffer)); | |
| 1757 for (int i = 0; i < n; i++) | |
| 1758 { char c = buffer[i]; | |
| 1759 | |
| 1760 switch (c) | |
| 1761 { | |
| 1762 case '-': | |
| 1763 buf->writeByte('N'); | |
| 1764 break; | |
| 1765 | |
| 1766 case '+': | |
| 1767 case 'X': | |
| 1768 case '.': | |
| 1769 break; | |
| 1770 | |
| 1771 case '0': | |
| 1772 if (i < 2) | |
| 1773 break; // skip leading 0X | |
| 1774 default: | |
| 1775 buf->writeByte(c); | |
| 1776 break; | |
| 1777 } | |
| 1778 } | |
| 1779 } | |
| 1780 } | |
| 1781 | |
| 1782 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1783 { | |
| 1784 buf->writeByte('e'); | |
| 1785 realToMangleBuffer(buf, value); | |
| 1786 } | |
| 1787 | |
| 1788 | |
| 1789 /******************************** ComplexExp **************************/ | |
| 1790 | |
| 1791 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1792 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1793 { | |
| 1794 this->value = value; | |
| 1795 this->type = type; | |
| 1796 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1797 } | |
| 1798 | |
| 1799 char *ComplexExp::toChars() | |
| 1800 { | |
| 1801 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1802 | |
| 1803 #ifdef IN_GCC | |
| 1804 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1805 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1806 creall(value).format(buf1, sizeof(buf1)); | |
| 1807 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1808 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1809 #else | |
| 1810 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1811 assert(strlen(buffer) < sizeof(buffer)); | |
| 1812 #endif | |
| 1813 return mem.strdup(buffer); | |
| 1814 } | |
| 1815 | |
| 1816 integer_t ComplexExp::toInteger() | |
| 1817 { | |
| 1818 #ifdef IN_GCC | |
| 1819 return (sinteger_t) toReal().toInt(); | |
| 1820 #else | |
| 1821 return (sinteger_t) toReal(); | |
| 1822 #endif | |
| 1823 } | |
| 1824 | |
| 1825 uinteger_t ComplexExp::toUInteger() | |
| 1826 { | |
| 1827 #ifdef IN_GCC | |
| 1828 return (uinteger_t) toReal().toInt(); | |
| 1829 #else | |
| 1830 return (uinteger_t) toReal(); | |
| 1831 #endif | |
| 1832 } | |
| 1833 | |
| 1834 real_t ComplexExp::toReal() | |
| 1835 { | |
| 1836 return creall(value); | |
| 1837 } | |
| 1838 | |
| 1839 real_t ComplexExp::toImaginary() | |
| 1840 { | |
| 1841 return cimagl(value); | |
| 1842 } | |
| 1843 | |
| 1844 complex_t ComplexExp::toComplex() | |
| 1845 { | |
| 1846 return value; | |
| 1847 } | |
| 1848 | |
| 1849 int ComplexExp::equals(Object *o) | |
| 1850 { ComplexExp *ne; | |
| 1851 | |
| 1852 if (this == o || | |
| 1853 (((Expression *)o)->op == TOKcomplex80 && | |
| 1854 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1855 RealEquals(creall(value), creall(ne->value)) && | |
| 1856 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1857 ) | |
| 1858 ) | |
| 1859 return 1; | |
| 1860 return 0; | |
| 1861 } | |
| 1862 | |
| 1863 Expression *ComplexExp::semantic(Scope *sc) | |
| 1864 { | |
| 1865 if (!type) | |
| 1866 type = Type::tcomplex80; | |
| 1867 else | |
| 1868 type = type->semantic(loc, sc); | |
| 1869 return this; | |
| 1870 } | |
| 1871 | |
| 1872 int ComplexExp::isBool(int result) | |
| 1873 { | |
| 1874 if (result) | |
| 1875 return (bool)(value); | |
| 1876 else | |
| 1877 return !value; | |
| 1878 } | |
| 1879 | |
| 1880 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1881 { | |
| 1882 /* Print as: | |
| 1883 * (re+imi) | |
| 1884 */ | |
| 1885 #ifdef IN_GCC | |
| 1886 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1887 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1888 creall(value).format(buf1, sizeof(buf1)); | |
| 1889 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1890 buf->printf("(%s+%si)", buf1, buf2); | |
| 1891 #else | |
| 1892 buf->writeByte('('); | |
| 1893 floatToBuffer(buf, type, creall(value)); | |
| 1894 buf->writeByte('+'); | |
| 1895 floatToBuffer(buf, type, cimagl(value)); | |
| 1896 buf->writestring("i)"); | |
| 1897 #endif | |
| 1898 } | |
| 1899 | |
| 1900 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1901 { | |
| 1902 buf->writeByte('c'); | |
| 1903 real_t r = toReal(); | |
| 1904 realToMangleBuffer(buf, r); | |
| 1905 buf->writeByte('c'); // separate the two | |
| 1906 r = toImaginary(); | |
| 1907 realToMangleBuffer(buf, r); | |
| 1908 } | |
| 1909 | |
| 1910 /******************************** IdentifierExp **************************/ | |
| 1911 | |
| 1912 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1913 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1914 { | |
| 1915 this->ident = ident; | |
| 1916 } | |
| 1917 | |
| 1918 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1919 { | |
| 1920 Dsymbol *s; | |
| 1921 Dsymbol *scopesym; | |
| 1922 | |
| 1923 #if LOGSEMANTIC | |
| 1924 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1925 #endif | |
| 1926 s = sc->search(loc, ident, &scopesym); | |
| 1927 if (s) | |
| 1928 { Expression *e; | |
| 1929 WithScopeSymbol *withsym; | |
| 1930 | |
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1931 /* See if the symbol was a member of an enclosing 'with' |
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1932 */ |
| 159 | 1933 withsym = scopesym->isWithScopeSymbol(); |
| 1934 if (withsym) | |
| 1935 { | |
| 1936 s = s->toAlias(); | |
| 1937 | |
| 1938 // Same as wthis.ident | |
| 1939 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1940 { | |
| 1941 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1942 e = new DotIdExp(loc, e, ident); | |
| 1943 } | |
| 1944 else | |
| 1945 { Type *t = withsym->withstate->wthis->type; | |
| 1946 if (t->ty == Tpointer) | |
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1947 t = ((TypePointer *)t)->next; |
| 159 | 1948 e = new TypeDotIdExp(loc, t, ident); |
| 1949 } | |
| 1950 } | |
| 1951 else | |
| 1952 { | |
| 1953 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1954 { // Kludge to run semantic() here because | |
| 1955 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1956 s->semantic(sc); | |
| 1957 } | |
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1958 /* If f is really a function template, |
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1959 * then replace f with the function template declaration. |
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1960 */ |
| 159 | 1961 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1962 if (f && f->parent) | |
| 1963 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1964 | |
| 1965 if (ti && | |
| 1966 !ti->isTemplateMixin() && | |
| 1967 (ti->name == f->ident || | |
| 1968 ti->toAlias()->ident == f->ident) | |
| 1969 && | |
| 1970 ti->tempdecl && ti->tempdecl->onemember) | |
| 1971 { | |
| 1972 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1973 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1974 tempdecl = tempdecl->overroot; // then get the start | |
| 1975 e = new TemplateExp(loc, tempdecl); | |
| 1976 e = e->semantic(sc); | |
| 1977 return e; | |
| 1978 } | |
| 1979 } | |
| 1980 e = new DsymbolExp(loc, s); | |
| 1981 } | |
| 1982 return e->semantic(sc); | |
| 1983 } | |
| 1984 error("undefined identifier %s", ident->toChars()); | |
| 1985 type = Type::terror; | |
| 1986 return this; | |
| 1987 } | |
| 1988 | |
| 1989 char *IdentifierExp::toChars() | |
| 1990 { | |
| 1991 return ident->toChars(); | |
| 1992 } | |
| 1993 | |
| 1994 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1995 { | |
| 1996 if (hgs->hdrgen) | |
| 1997 buf->writestring(ident->toHChars2()); | |
| 1998 else | |
| 1999 buf->writestring(ident->toChars()); | |
| 2000 } | |
| 2001 | |
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2002 #if DMDV2 |
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2003 int IdentifierExp::isLvalue() |
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2004 { |
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2005 return 1; |
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2006 } |
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2007 #endif |
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2008 |
| 159 | 2009 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2010 { | |
| 2011 #if 0 | |
| 2012 tym = tybasic(e1->ET->Tty); | |
| 2013 if (!(tyscalar(tym) || | |
| 2014 tym == TYstruct || | |
| 2015 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2016 synerr(EM_lvalue); // lvalue expected | |
| 2017 #endif | |
| 2018 return this; | |
| 2019 } | |
| 2020 | |
| 2021 /******************************** DollarExp **************************/ | |
| 2022 | |
| 2023 DollarExp::DollarExp(Loc loc) | |
| 2024 : IdentifierExp(loc, Id::dollar) | |
| 2025 { | |
| 2026 } | |
| 2027 | |
| 2028 /******************************** DsymbolExp **************************/ | |
| 2029 | |
| 2030 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2031 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2032 { | |
| 2033 this->s = s; | |
| 2034 } | |
| 2035 | |
| 2036 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2037 { | |
| 2038 #if LOGSEMANTIC | |
| 2039 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2040 #endif | |
| 2041 | |
| 2042 Lagain: | |
| 2043 EnumMember *em; | |
| 2044 Expression *e; | |
| 2045 VarDeclaration *v; | |
| 2046 FuncDeclaration *f; | |
| 2047 FuncLiteralDeclaration *fld; | |
| 2048 Declaration *d; | |
| 2049 ClassDeclaration *cd; | |
| 2050 ClassDeclaration *thiscd = NULL; | |
| 2051 Import *imp; | |
| 2052 Package *pkg; | |
| 2053 Type *t; | |
| 2054 | |
| 2055 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2056 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2057 if (type) | |
| 2058 return this; | |
| 2059 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2060 checkDeprecated(sc, s); | |
| 2061 s = s->toAlias(); | |
| 2062 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2063 if (!s->isFuncDeclaration()) | |
| 2064 checkDeprecated(sc, s); | |
| 2065 | |
| 2066 if (sc->func) | |
| 2067 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2068 | |
| 2069 // BUG: This should happen after overload resolution for functions, not before | |
| 2070 if (s->needThis()) | |
| 2071 { | |
|
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2072 if (hasThis(sc) |
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2073 #if DMDV2 |
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2074 && !s->isFuncDeclaration() |
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2075 #endif |
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2076 ) |
| 159 | 2077 { |
| 2078 // Supply an implicit 'this', as in | |
| 2079 // this.ident | |
| 2080 | |
| 2081 DotVarExp *de; | |
| 2082 | |
| 2083 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2084 return de->semantic(sc); | |
| 2085 } | |
| 2086 } | |
| 2087 | |
| 2088 em = s->isEnumMember(); | |
| 2089 if (em) | |
| 2090 { | |
| 2091 e = em->value->copy(); | |
| 2092 e = e->semantic(sc); | |
| 2093 return e; | |
| 2094 } | |
| 2095 v = s->isVarDeclaration(); | |
| 2096 if (v) | |
| 2097 { | |
| 2098 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2099 if (!type) | |
| 2100 { type = v->type; | |
| 2101 if (!v->type) | |
| 2102 { error("forward reference of %s", v->toChars()); | |
| 2103 type = Type::terror; | |
| 2104 } | |
| 2105 } | |
| 2106 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2107 { | |
| 2108 if (v->init) | |
| 2109 { | |
| 2110 if (v->inuse) | |
| 2111 { | |
| 2112 error("circular reference to '%s'", v->toChars()); | |
| 2113 type = Type::tint32; | |
| 2114 return this; | |
| 2115 } | |
| 2116 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2117 if (ei) | |
| 2118 { | |
| 2119 e = ei->exp->copy(); // make copy so we can change loc | |
| 2120 if (e->op == TOKstring || !e->type) | |
| 2121 e = e->semantic(sc); | |
| 2122 e = e->implicitCastTo(sc, type); | |
| 2123 e->loc = loc; | |
| 2124 return e; | |
| 2125 } | |
| 2126 } | |
| 2127 else | |
| 2128 { | |
| 2129 e = type->defaultInit(); | |
| 2130 e->loc = loc; | |
| 2131 return e; | |
| 2132 } | |
| 2133 } | |
| 2134 e = new VarExp(loc, v); | |
| 2135 e->type = type; | |
| 2136 e = e->semantic(sc); | |
| 2137 return e->deref(); | |
| 2138 } | |
| 2139 fld = s->isFuncLiteralDeclaration(); | |
| 2140 if (fld) | |
| 2141 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2142 e = new FuncExp(loc, fld); | |
| 2143 return e->semantic(sc); | |
| 2144 } | |
| 2145 f = s->isFuncDeclaration(); | |
| 2146 if (f) | |
| 2147 { //printf("'%s' is a function\n", f->toChars()); | |
| 2148 return new VarExp(loc, f); | |
| 2149 } | |
| 2150 cd = s->isClassDeclaration(); | |
| 2151 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2152 { | |
| 2153 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2154 DotTypeExp *dte; | |
| 2155 | |
| 2156 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2157 return dte->semantic(sc); | |
| 2158 } | |
| 2159 imp = s->isImport(); | |
| 2160 if (imp) | |
| 2161 { | |
| 2162 ScopeExp *ie; | |
| 2163 | |
| 2164 ie = new ScopeExp(loc, imp->pkg); | |
| 2165 return ie->semantic(sc); | |
| 2166 } | |
| 2167 pkg = s->isPackage(); | |
| 2168 if (pkg) | |
| 2169 { | |
| 2170 ScopeExp *ie; | |
| 2171 | |
| 2172 ie = new ScopeExp(loc, pkg); | |
| 2173 return ie->semantic(sc); | |
| 2174 } | |
| 2175 Module *mod = s->isModule(); | |
| 2176 if (mod) | |
| 2177 { | |
| 2178 ScopeExp *ie; | |
| 2179 | |
| 2180 ie = new ScopeExp(loc, mod); | |
| 2181 return ie->semantic(sc); | |
| 2182 } | |
| 2183 | |
| 2184 t = s->getType(); | |
| 2185 if (t) | |
| 2186 { | |
| 2187 return new TypeExp(loc, t); | |
| 2188 } | |
| 2189 | |
| 2190 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2191 if (tup) | |
| 2192 { | |
| 2193 e = new TupleExp(loc, tup); | |
| 2194 e = e->semantic(sc); | |
| 2195 return e; | |
| 2196 } | |
| 2197 | |
| 2198 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2199 if (ti && !global.errors) | |
| 2200 { if (!ti->semanticdone) | |
| 2201 ti->semantic(sc); | |
| 2202 s = ti->inst->toAlias(); | |
| 2203 if (!s->isTemplateInstance()) | |
| 2204 goto Lagain; | |
| 2205 e = new ScopeExp(loc, ti); | |
| 2206 e = e->semantic(sc); | |
| 2207 return e; | |
| 2208 } | |
| 2209 | |
| 2210 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2211 if (td) | |
| 2212 { | |
| 2213 e = new TemplateExp(loc, td); | |
| 2214 e = e->semantic(sc); | |
| 2215 return e; | |
| 2216 } | |
| 2217 | |
| 2218 Lerr: | |
| 2219 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2220 type = Type::terror; | |
| 2221 return this; | |
| 2222 } | |
| 2223 | |
| 2224 char *DsymbolExp::toChars() | |
| 2225 { | |
| 2226 return s->toChars(); | |
| 2227 } | |
| 2228 | |
| 2229 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2230 { | |
| 2231 buf->writestring(s->toChars()); | |
| 2232 } | |
| 2233 | |
|
875
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diff
changeset
|
2234 #if DMDV2 |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
2235 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2236 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2237 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2238 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2239 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2240 |
| 159 | 2241 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2242 { | |
| 2243 #if 0 | |
| 2244 tym = tybasic(e1->ET->Tty); | |
| 2245 if (!(tyscalar(tym) || | |
| 2246 tym == TYstruct || | |
| 2247 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2248 synerr(EM_lvalue); // lvalue expected | |
| 2249 #endif | |
| 2250 return this; | |
| 2251 } | |
| 2252 | |
| 2253 /******************************** ThisExp **************************/ | |
| 2254 | |
| 2255 ThisExp::ThisExp(Loc loc) | |
| 2256 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2257 { | |
| 2258 var = NULL; | |
| 2259 } | |
| 2260 | |
| 2261 Expression *ThisExp::semantic(Scope *sc) | |
| 2262 { FuncDeclaration *fd; | |
| 2263 FuncDeclaration *fdthis; | |
| 2264 int nested = 0; | |
| 2265 | |
| 2266 #if LOGSEMANTIC | |
| 2267 printf("ThisExp::semantic()\n"); | |
| 2268 #endif | |
| 2269 if (type) | |
| 2270 { //assert(global.errors || var); | |
| 2271 return this; | |
| 2272 } | |
| 2273 | |
| 2274 /* Special case for typeof(this) and typeof(super) since both | |
| 2275 * should work even if they are not inside a non-static member function | |
| 2276 */ | |
| 2277 if (sc->intypeof) | |
| 2278 { | |
| 2279 // Find enclosing struct or class | |
| 2280 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2281 { | |
| 2282 ClassDeclaration *cd; | |
| 2283 StructDeclaration *sd; | |
| 2284 | |
| 2285 if (!s) | |
| 2286 { | |
| 2287 error("%s is not in a struct or class scope", toChars()); | |
| 2288 goto Lerr; | |
| 2289 } | |
| 2290 cd = s->isClassDeclaration(); | |
| 2291 if (cd) | |
| 2292 { | |
| 2293 type = cd->type; | |
| 2294 return this; | |
| 2295 } | |
| 2296 sd = s->isStructDeclaration(); | |
| 2297 if (sd) | |
| 2298 { | |
| 2299 type = sd->type->pointerTo(); | |
| 2300 return this; | |
| 2301 } | |
| 2302 } | |
| 2303 } | |
| 2304 | |
| 2305 fdthis = sc->parent->isFuncDeclaration(); | |
| 2306 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2307 if (!fd) | |
| 2308 goto Lerr; | |
| 2309 | |
| 2310 assert(fd->vthis); | |
| 2311 var = fd->vthis; | |
| 2312 assert(var->parent); | |
| 2313 type = var->type; | |
| 2314 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2315 #if 0 | |
| 2316 if (fd != fdthis) // if nested | |
| 2317 { | |
| 2318 fdthis->getLevel(loc, fd); | |
| 2319 fd->vthis->nestedref = 1; | |
| 2320 fd->nestedFrameRef = 1; | |
| 2321 } | |
| 2322 #endif | |
| 336 | 2323 if (!sc->intypeof) |
| 2324 sc->callSuper |= CSXthis; | |
| 159 | 2325 return this; |
| 2326 | |
| 2327 Lerr: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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486
diff
changeset
|
2328 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
|
2329 type = Type::terror; |
| 159 | 2330 return this; |
| 2331 } | |
| 2332 | |
| 2333 int ThisExp::isBool(int result) | |
| 2334 { | |
| 2335 return result ? TRUE : FALSE; | |
| 2336 } | |
| 2337 | |
| 2338 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2339 { | |
| 2340 buf->writestring("this"); | |
| 2341 } | |
| 2342 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2343 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2344 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2345 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2347 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2348 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2349 |
| 159 | 2350 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2351 { | |
| 2352 return this; | |
| 2353 } | |
| 2354 | |
| 2355 /******************************** SuperExp **************************/ | |
| 2356 | |
| 2357 SuperExp::SuperExp(Loc loc) | |
| 2358 : ThisExp(loc) | |
| 2359 { | |
| 2360 op = TOKsuper; | |
| 2361 } | |
| 2362 | |
| 2363 Expression *SuperExp::semantic(Scope *sc) | |
| 2364 { FuncDeclaration *fd; | |
| 2365 FuncDeclaration *fdthis; | |
| 2366 ClassDeclaration *cd; | |
| 2367 Dsymbol *s; | |
| 2368 | |
| 2369 #if LOGSEMANTIC | |
| 2370 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2371 #endif | |
| 2372 if (type) | |
| 2373 return this; | |
| 2374 | |
| 2375 /* Special case for typeof(this) and typeof(super) since both | |
| 2376 * should work even if they are not inside a non-static member function | |
| 2377 */ | |
| 2378 if (sc->intypeof) | |
| 2379 { | |
| 2380 // Find enclosing class | |
| 2381 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2382 { | |
| 2383 ClassDeclaration *cd; | |
| 2384 | |
| 2385 if (!s) | |
| 2386 { | |
| 2387 error("%s is not in a class scope", toChars()); | |
| 2388 goto Lerr; | |
| 2389 } | |
| 2390 cd = s->isClassDeclaration(); | |
| 2391 if (cd) | |
| 2392 { | |
| 2393 cd = cd->baseClass; | |
| 2394 if (!cd) | |
| 2395 { error("class %s has no 'super'", s->toChars()); | |
| 2396 goto Lerr; | |
| 2397 } | |
| 2398 type = cd->type; | |
| 2399 return this; | |
| 2400 } | |
| 2401 } | |
| 2402 } | |
| 2403 | |
| 2404 fdthis = sc->parent->isFuncDeclaration(); | |
| 2405 fd = hasThis(sc); | |
| 2406 if (!fd) | |
| 2407 goto Lerr; | |
| 2408 assert(fd->vthis); | |
| 2409 var = fd->vthis; | |
| 2410 assert(var->parent); | |
| 2411 | |
| 2412 s = fd->toParent(); | |
| 2413 while (s && s->isTemplateInstance()) | |
| 2414 s = s->toParent(); | |
| 2415 assert(s); | |
| 2416 cd = s->isClassDeclaration(); | |
| 2417 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2418 if (!cd) | |
| 2419 goto Lerr; | |
| 2420 if (!cd->baseClass) | |
| 2421 { | |
| 2422 error("no base class for %s", cd->toChars()); | |
| 2423 type = fd->vthis->type; | |
| 2424 } | |
| 2425 else | |
| 2426 { | |
| 2427 type = cd->baseClass->type; | |
| 2428 } | |
| 2429 | |
| 2430 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2431 #if 0 | |
| 2432 if (fd != fdthis) | |
| 2433 { | |
| 2434 fdthis->getLevel(loc, fd); | |
| 2435 fd->vthis->nestedref = 1; | |
| 2436 fd->nestedFrameRef = 1; | |
| 2437 } | |
| 2438 #endif | |
| 2439 | |
| 336 | 2440 if (!sc->intypeof) |
| 2441 sc->callSuper |= CSXsuper; | |
| 159 | 2442 return this; |
| 2443 | |
| 2444 | |
| 2445 Lerr: | |
| 2446 error("'super' is only allowed in non-static class member functions"); | |
| 2447 type = Type::tint32; | |
| 2448 return this; | |
| 2449 } | |
| 2450 | |
| 2451 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2452 { | |
| 2453 buf->writestring("super"); | |
| 2454 } | |
| 2455 | |
| 2456 | |
| 2457 /******************************** NullExp **************************/ | |
| 2458 | |
| 2459 NullExp::NullExp(Loc loc) | |
| 2460 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2461 { | |
| 2462 committed = 0; | |
| 2463 } | |
| 2464 | |
| 2465 Expression *NullExp::semantic(Scope *sc) | |
| 2466 { | |
| 2467 #if LOGSEMANTIC | |
| 2468 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2469 #endif | |
| 2470 // NULL is the same as (void *)0 | |
| 2471 if (!type) | |
| 2472 type = Type::tvoid->pointerTo(); | |
| 2473 return this; | |
| 2474 } | |
| 2475 | |
| 2476 int NullExp::isBool(int result) | |
| 2477 { | |
| 2478 return result ? FALSE : TRUE; | |
| 2479 } | |
| 2480 | |
| 2481 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2482 { | |
| 2483 buf->writestring("null"); | |
| 2484 } | |
| 2485 | |
| 2486 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2487 { | |
| 2488 buf->writeByte('n'); | |
| 2489 } | |
| 2490 | |
| 2491 /******************************** StringExp **************************/ | |
| 2492 | |
| 2493 StringExp::StringExp(Loc loc, char *string) | |
| 2494 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2495 { | |
| 2496 this->string = string; | |
| 2497 this->len = strlen(string); | |
| 2498 this->sz = 1; | |
| 2499 this->committed = 0; | |
| 2500 this->postfix = 0; | |
| 2501 } | |
| 2502 | |
| 2503 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2504 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2505 { | |
| 2506 this->string = string; | |
| 2507 this->len = len; | |
| 2508 this->sz = 1; | |
| 2509 this->committed = 0; | |
| 2510 this->postfix = 0; | |
| 2511 } | |
| 2512 | |
| 2513 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2514 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2515 { | |
| 2516 this->string = string; | |
| 2517 this->len = len; | |
| 2518 this->sz = 1; | |
| 2519 this->committed = 0; | |
| 2520 this->postfix = postfix; | |
| 2521 } | |
| 2522 | |
| 2523 #if 0 | |
| 2524 Expression *StringExp::syntaxCopy() | |
| 2525 { | |
| 2526 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2527 return copy(); | |
| 2528 } | |
| 2529 #endif | |
| 2530 | |
| 2531 int StringExp::equals(Object *o) | |
| 2532 { | |
| 2533 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2534 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2535 { Expression *e = (Expression *)o; | |
| 2536 | |
| 2537 if (e->op == TOKstring) | |
| 2538 { | |
| 2539 return compare(o) == 0; | |
| 2540 } | |
| 2541 } | |
| 2542 return FALSE; | |
| 2543 } | |
| 2544 | |
| 2545 char *StringExp::toChars() | |
| 2546 { | |
| 2547 OutBuffer buf; | |
| 2548 HdrGenState hgs; | |
| 2549 char *p; | |
| 2550 | |
| 2551 memset(&hgs, 0, sizeof(hgs)); | |
| 2552 toCBuffer(&buf, &hgs); | |
| 2553 buf.writeByte(0); | |
| 2554 p = (char *)buf.data; | |
| 2555 buf.data = NULL; | |
| 2556 return p; | |
| 2557 } | |
| 2558 | |
| 2559 Expression *StringExp::semantic(Scope *sc) | |
| 2560 { | |
| 2561 #if LOGSEMANTIC | |
| 2562 printf("StringExp::semantic() %s\n", toChars()); | |
| 2563 #endif | |
| 2564 if (!type) | |
| 2565 { OutBuffer buffer; | |
| 2566 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2567 const char *p; |
| 159 | 2568 size_t u; |
| 2569 unsigned c; | |
| 2570 | |
| 2571 switch (postfix) | |
| 2572 { | |
| 2573 case 'd': | |
| 2574 for (u = 0; u < len;) | |
| 2575 { | |
| 2576 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2577 if (p) | |
| 2578 { error("%s", p); | |
| 2579 break; | |
| 2580 } | |
| 2581 else | |
| 2582 { buffer.write4(c); | |
| 2583 newlen++; | |
| 2584 } | |
| 2585 } | |
| 2586 buffer.write4(0); | |
| 2587 string = buffer.extractData(); | |
| 2588 len = newlen; | |
| 2589 sz = 4; | |
| 2590 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2591 committed = 1; | |
| 2592 break; | |
| 2593 | |
| 2594 case 'w': | |
| 2595 for (u = 0; u < len;) | |
| 2596 { | |
| 2597 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2598 if (p) | |
| 2599 { error("%s", p); | |
| 2600 break; | |
| 2601 } | |
| 2602 else | |
| 2603 { buffer.writeUTF16(c); | |
| 2604 newlen++; | |
| 2605 if (c >= 0x10000) | |
| 2606 newlen++; | |
| 2607 } | |
| 2608 } | |
| 2609 buffer.writeUTF16(0); | |
| 2610 string = buffer.extractData(); | |
| 2611 len = newlen; | |
| 2612 sz = 2; | |
| 2613 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2614 committed = 1; | |
| 2615 break; | |
| 2616 | |
| 2617 case 'c': | |
| 2618 committed = 1; | |
| 2619 default: | |
| 2620 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2621 break; | |
| 2622 } | |
| 2623 type = type->semantic(loc, sc); | |
| 2624 } | |
| 2625 return this; | |
| 2626 } | |
| 2627 | |
| 2628 /**************************************** | |
| 2629 * Convert string to char[]. | |
| 2630 */ | |
| 2631 | |
| 2632 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2633 { | |
| 2634 if (sz != 1) | |
| 2635 { // Convert to UTF-8 string | |
| 2636 committed = 0; | |
| 2637 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2638 e = e->optimize(WANTvalue); | |
| 2639 assert(e->op == TOKstring); | |
| 2640 StringExp *se = (StringExp *)e; | |
| 2641 assert(se->sz == 1); | |
| 2642 return se; | |
| 2643 } | |
| 2644 return this; | |
| 2645 } | |
| 2646 | |
| 2647 int StringExp::compare(Object *obj) | |
| 2648 { | |
| 2649 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2650 StringExp *se2 = (StringExp *)(obj); | |
| 2651 | |
| 2652 // This is a kludge so isExpression() in template.c will return 5 | |
| 2653 // for StringExp's. | |
| 2654 if (!se2) | |
| 2655 return 5; | |
| 2656 | |
| 2657 assert(se2->op == TOKstring); | |
| 2658 | |
| 2659 int len1 = len; | |
| 2660 int len2 = se2->len; | |
| 2661 | |
| 2662 if (len1 == len2) | |
| 2663 { | |
| 2664 switch (sz) | |
| 2665 { | |
| 2666 case 1: | |
| 2667 return strcmp((char *)string, (char *)se2->string); | |
| 2668 | |
| 2669 case 2: | |
| 2670 { unsigned u; | |
| 2671 d_wchar *s1 = (d_wchar *)string; | |
| 2672 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2673 | |
| 2674 for (u = 0; u < len; u++) | |
| 2675 { | |
| 2676 if (s1[u] != s2[u]) | |
| 2677 return s1[u] - s2[u]; | |
| 2678 } | |
| 2679 } | |
| 2680 | |
| 2681 case 4: | |
| 2682 { unsigned u; | |
| 2683 d_dchar *s1 = (d_dchar *)string; | |
| 2684 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2685 | |
| 2686 for (u = 0; u < len; u++) | |
| 2687 { | |
| 2688 if (s1[u] != s2[u]) | |
| 2689 return s1[u] - s2[u]; | |
| 2690 } | |
| 2691 } | |
| 2692 break; | |
| 2693 | |
| 2694 default: | |
| 2695 assert(0); | |
| 2696 } | |
| 2697 } | |
| 2698 return len1 - len2; | |
| 2699 } | |
| 2700 | |
| 2701 int StringExp::isBool(int result) | |
| 2702 { | |
| 2703 return result ? TRUE : FALSE; | |
| 2704 } | |
| 2705 | |
| 2706 unsigned StringExp::charAt(size_t i) | |
| 2707 { unsigned value; | |
| 2708 | |
| 2709 switch (sz) | |
| 2710 { | |
| 2711 case 1: | |
| 2712 value = ((unsigned char *)string)[i]; | |
| 2713 break; | |
| 2714 | |
| 2715 case 2: | |
| 2716 value = ((unsigned short *)string)[i]; | |
| 2717 break; | |
| 2718 | |
| 2719 case 4: | |
| 2720 value = ((unsigned int *)string)[i]; | |
| 2721 break; | |
| 2722 | |
| 2723 default: | |
| 2724 assert(0); | |
| 2725 break; | |
| 2726 } | |
| 2727 return value; | |
| 2728 } | |
| 2729 | |
| 2730 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2731 { | |
| 2732 buf->writeByte('"'); | |
| 2733 for (size_t i = 0; i < len; i++) | |
| 2734 { unsigned c = charAt(i); | |
| 2735 | |
| 2736 switch (c) | |
| 2737 { | |
| 2738 case '"': | |
| 2739 case '\\': | |
| 2740 if (!hgs->console) | |
| 2741 buf->writeByte('\\'); | |
| 2742 default: | |
| 2743 if (c <= 0xFF) | |
| 2744 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2745 buf->writeByte(c); | |
| 2746 else | |
| 2747 buf->printf("\\x%02x", c); | |
| 2748 } | |
| 2749 else if (c <= 0xFFFF) | |
| 2750 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2751 else | |
| 2752 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2753 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2754 break; | |
| 2755 } | |
| 2756 } | |
| 2757 buf->writeByte('"'); | |
| 2758 if (postfix) | |
| 2759 buf->writeByte(postfix); | |
| 2760 } | |
| 2761 | |
| 2762 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2763 { char m; | |
| 2764 OutBuffer tmp; | |
|
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|
2765 const char *p; |
| 159 | 2766 unsigned c; |
| 2767 size_t u; | |
| 2768 unsigned char *q; | |
| 2769 unsigned qlen; | |
| 2770 | |
| 2771 /* Write string in UTF-8 format | |
| 2772 */ | |
| 2773 switch (sz) | |
| 2774 { case 1: | |
| 2775 m = 'a'; | |
| 2776 q = (unsigned char *)string; | |
| 2777 qlen = len; | |
| 2778 break; | |
| 2779 case 2: | |
| 2780 m = 'w'; | |
| 2781 for (u = 0; u < len; ) | |
| 2782 { | |
| 2783 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2784 if (p) | |
| 2785 error("%s", p); | |
| 2786 else | |
| 2787 tmp.writeUTF8(c); | |
| 2788 } | |
| 2789 q = tmp.data; | |
| 2790 qlen = tmp.offset; | |
| 2791 break; | |
| 2792 case 4: | |
| 2793 m = 'd'; | |
| 2794 for (u = 0; u < len; u++) | |
| 2795 { | |
| 2796 c = ((unsigned *)string)[u]; | |
| 2797 if (!utf_isValidDchar(c)) | |
| 2798 error("invalid UCS-32 char \\U%08x", c); | |
| 2799 else | |
| 2800 tmp.writeUTF8(c); | |
| 2801 } | |
| 2802 q = tmp.data; | |
| 2803 qlen = tmp.offset; | |
| 2804 break; | |
| 2805 default: | |
| 2806 assert(0); | |
| 2807 } | |
| 2808 buf->writeByte(m); | |
| 2809 buf->printf("%d_", qlen); | |
| 2810 for (size_t i = 0; i < qlen; i++) | |
| 2811 buf->printf("%02x", q[i]); | |
| 2812 } | |
| 2813 | |
| 2814 /************************ ArrayLiteralExp ************************************/ | |
| 2815 | |
| 2816 // [ e1, e2, e3, ... ] | |
| 2817 | |
| 2818 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2819 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2820 { | |
| 2821 this->elements = elements; | |
| 2822 } | |
| 2823 | |
| 2824 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2825 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2826 { | |
| 2827 elements = new Expressions; | |
| 2828 elements->push(e); | |
| 2829 } | |
| 2830 | |
| 2831 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2832 { | |
| 2833 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2834 } | |
| 2835 | |
| 2836 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2837 { Expression *e; | |
| 2838 Type *t0 = NULL; | |
| 2839 | |
| 2840 #if LOGSEMANTIC | |
| 2841 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2842 #endif | |
| 2843 if (type) | |
| 2844 return this; | |
| 2845 | |
| 2846 // Run semantic() on each element | |
| 2847 for (int i = 0; i < elements->dim; i++) | |
| 2848 { e = (Expression *)elements->data[i]; | |
| 2849 e = e->semantic(sc); | |
| 2850 elements->data[i] = (void *)e; | |
| 2851 } | |
| 2852 expandTuples(elements); | |
| 2853 for (int i = 0; i < elements->dim; i++) | |
| 2854 { e = (Expression *)elements->data[i]; | |
| 2855 | |
| 2856 if (!e->type) | |
| 2857 error("%s has no value", e->toChars()); | |
| 2858 e = resolveProperties(sc, e); | |
| 2859 | |
| 2860 unsigned char committed = 1; | |
| 2861 if (e->op == TOKstring) | |
| 2862 committed = ((StringExp *)e)->committed; | |
| 2863 | |
| 2864 if (!t0) | |
| 2865 { t0 = e->type; | |
| 2866 // Convert any static arrays to dynamic arrays | |
| 2867 if (t0->ty == Tsarray) | |
| 2868 { | |
|
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2869 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2870 e = e->implicitCastTo(sc, t0); |
| 2871 } | |
| 2872 } | |
| 2873 else | |
| 2874 e = e->implicitCastTo(sc, t0); | |
| 2875 if (!committed && e->op == TOKstring) | |
| 2876 { StringExp *se = (StringExp *)e; | |
| 2877 se->committed = 0; | |
| 2878 } | |
| 2879 elements->data[i] = (void *)e; | |
| 2880 } | |
| 2881 | |
| 2882 if (!t0) | |
| 2883 t0 = Type::tvoid; | |
| 2884 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2885 type = type->semantic(loc, sc); | |
| 2886 return this; | |
| 2887 } | |
| 2888 | |
| 2889 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2890 { int f = 0; | |
| 2891 | |
| 2892 for (size_t i = 0; i < elements->dim; i++) | |
| 2893 { Expression *e = (Expression *)elements->data[i]; | |
| 2894 | |
| 2895 f |= e->checkSideEffect(2); | |
| 2896 } | |
| 2897 if (flag == 0 && f == 0) | |
| 2898 Expression::checkSideEffect(0); | |
| 2899 return f; | |
| 2900 } | |
| 2901 | |
| 2902 int ArrayLiteralExp::isBool(int result) | |
| 2903 { | |
| 2904 size_t dim = elements ? elements->dim : 0; | |
| 2905 return result ? (dim != 0) : (dim == 0); | |
| 2906 } | |
| 2907 | |
|
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2908 #if DMDV2 |
|
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|
2909 int ArrayLiteralExp::canThrow() |
|
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|
2910 { |
|
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|
2911 return 1; // because it can fail allocating memory |
|
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Merged DMD 1.038
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diff
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|
2912 } |
|
330f999ade44
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diff
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|
2913 #endif |
|
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|
2914 |
| 159 | 2915 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2916 { | |
| 2917 buf->writeByte('['); | |
| 2918 argsToCBuffer(buf, elements, hgs); | |
| 2919 buf->writeByte(']'); | |
| 2920 } | |
| 2921 | |
| 2922 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2923 { | |
| 2924 size_t dim = elements ? elements->dim : 0; | |
| 2925 buf->printf("A%u", dim); | |
| 2926 for (size_t i = 0; i < dim; i++) | |
| 2927 { Expression *e = (Expression *)elements->data[i]; | |
| 2928 e->toMangleBuffer(buf); | |
| 2929 } | |
| 2930 } | |
| 2931 | |
| 2932 /************************ AssocArrayLiteralExp ************************************/ | |
| 2933 | |
| 2934 // [ key0 : value0, key1 : value1, ... ] | |
| 2935 | |
| 2936 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2937 Expressions *keys, Expressions *values) | |
| 2938 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2939 { | |
| 2940 assert(keys->dim == values->dim); | |
| 2941 this->keys = keys; | |
| 2942 this->values = values; | |
| 2943 } | |
| 2944 | |
| 2945 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2946 { | |
| 2947 return new AssocArrayLiteralExp(loc, | |
| 2948 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2949 } | |
| 2950 | |
| 2951 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2952 { Expression *e; | |
| 2953 Type *tkey = NULL; | |
| 2954 Type *tvalue = NULL; | |
| 2955 | |
| 2956 #if LOGSEMANTIC | |
| 2957 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2958 #endif | |
| 2959 | |
| 2960 // Run semantic() on each element | |
| 2961 for (size_t i = 0; i < keys->dim; i++) | |
| 2962 { Expression *key = (Expression *)keys->data[i]; | |
| 2963 Expression *value = (Expression *)values->data[i]; | |
| 2964 | |
| 2965 key = key->semantic(sc); | |
| 2966 value = value->semantic(sc); | |
| 2967 | |
| 2968 keys->data[i] = (void *)key; | |
| 2969 values->data[i] = (void *)value; | |
| 2970 } | |
| 2971 expandTuples(keys); | |
| 2972 expandTuples(values); | |
| 2973 if (keys->dim != values->dim) | |
| 2974 { | |
| 2975 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2976 keys->setDim(0); | |
| 2977 values->setDim(0); | |
| 2978 } | |
| 2979 for (size_t i = 0; i < keys->dim; i++) | |
| 2980 { Expression *key = (Expression *)keys->data[i]; | |
| 2981 Expression *value = (Expression *)values->data[i]; | |
| 2982 | |
| 2983 if (!key->type) | |
| 2984 error("%s has no value", key->toChars()); | |
| 2985 if (!value->type) | |
| 2986 error("%s has no value", value->toChars()); | |
| 2987 key = resolveProperties(sc, key); | |
| 2988 value = resolveProperties(sc, value); | |
| 2989 | |
| 2990 if (!tkey) | |
| 2991 tkey = key->type; | |
| 2992 else | |
| 2993 key = key->implicitCastTo(sc, tkey); | |
| 2994 keys->data[i] = (void *)key; | |
| 2995 | |
| 2996 if (!tvalue) | |
| 2997 tvalue = value->type; | |
| 2998 else | |
| 2999 value = value->implicitCastTo(sc, tvalue); | |
| 3000 values->data[i] = (void *)value; | |
| 3001 } | |
| 3002 | |
| 3003 if (!tkey) | |
| 3004 tkey = Type::tvoid; | |
| 3005 if (!tvalue) | |
| 3006 tvalue = Type::tvoid; | |
| 3007 type = new TypeAArray(tvalue, tkey); | |
| 3008 type = type->semantic(loc, sc); | |
| 3009 return this; | |
| 3010 } | |
| 3011 | |
| 3012 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3013 { int f = 0; | |
| 3014 | |
| 3015 for (size_t i = 0; i < keys->dim; i++) | |
| 3016 { Expression *key = (Expression *)keys->data[i]; | |
| 3017 Expression *value = (Expression *)values->data[i]; | |
| 3018 | |
| 3019 f |= key->checkSideEffect(2); | |
| 3020 f |= value->checkSideEffect(2); | |
| 3021 } | |
| 3022 if (flag == 0 && f == 0) | |
| 3023 Expression::checkSideEffect(0); | |
| 3024 return f; | |
| 3025 } | |
| 3026 | |
| 3027 int AssocArrayLiteralExp::isBool(int result) | |
| 3028 { | |
| 3029 size_t dim = keys->dim; | |
| 3030 return result ? (dim != 0) : (dim == 0); | |
| 3031 } | |
| 3032 | |
|
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3033 #if DMDV2 |
|
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|
3034 int AssocArrayLiteralExp::canThrow() |
|
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parents:
846
diff
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|
3035 { |
|
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diff
changeset
|
3036 return 1; |
|
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Merged DMD 1.038
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diff
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|
3037 } |
|
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parents:
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diff
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|
3038 #endif |
|
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parents:
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diff
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|
3039 |
| 159 | 3040 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3041 { | |
| 3042 buf->writeByte('['); | |
| 3043 for (size_t i = 0; i < keys->dim; i++) | |
| 3044 { Expression *key = (Expression *)keys->data[i]; | |
| 3045 Expression *value = (Expression *)values->data[i]; | |
| 3046 | |
| 3047 if (i) | |
| 3048 buf->writeByte(','); | |
| 3049 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3050 buf->writeByte(':'); | |
| 3051 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3052 } | |
| 3053 buf->writeByte(']'); | |
| 3054 } | |
| 3055 | |
| 3056 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3057 { | |
| 3058 size_t dim = keys->dim; | |
| 3059 buf->printf("A%u", dim); | |
| 3060 for (size_t i = 0; i < dim; i++) | |
| 3061 { Expression *key = (Expression *)keys->data[i]; | |
| 3062 Expression *value = (Expression *)values->data[i]; | |
| 3063 | |
| 3064 key->toMangleBuffer(buf); | |
| 3065 value->toMangleBuffer(buf); | |
| 3066 } | |
| 3067 } | |
| 3068 | |
| 3069 /************************ StructLiteralExp ************************************/ | |
| 3070 | |
| 3071 // sd( e1, e2, e3, ... ) | |
| 3072 | |
| 3073 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3074 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3075 { | |
| 3076 this->sd = sd; | |
| 3077 this->elements = elements; | |
| 3078 this->sym = NULL; | |
| 3079 this->soffset = 0; | |
| 3080 this->fillHoles = 1; | |
| 3081 } | |
| 3082 | |
| 3083 Expression *StructLiteralExp::syntaxCopy() | |
| 3084 { | |
| 3085 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3086 } | |
| 3087 | |
| 3088 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3089 { Expression *e; | |
| 3090 | |
| 3091 #if LOGSEMANTIC | |
| 3092 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3093 #endif | |
|
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diff
changeset
|
3094 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3095 return this; |
| 159 | 3096 |
| 3097 // Run semantic() on each element | |
| 3098 for (size_t i = 0; i < elements->dim; i++) | |
| 3099 { e = (Expression *)elements->data[i]; | |
| 3100 if (!e) | |
| 3101 continue; | |
| 3102 e = e->semantic(sc); | |
| 3103 elements->data[i] = (void *)e; | |
| 3104 } | |
| 3105 expandTuples(elements); | |
| 3106 size_t offset = 0; | |
| 3107 for (size_t i = 0; i < elements->dim; i++) | |
| 3108 { e = (Expression *)elements->data[i]; | |
| 3109 if (!e) | |
| 3110 continue; | |
| 3111 | |
| 3112 if (!e->type) | |
| 3113 error("%s has no value", e->toChars()); | |
| 3114 e = resolveProperties(sc, e); | |
| 3115 if (i >= sd->fields.dim) | |
| 3116 { error("more initializers than fields of %s", sd->toChars()); | |
| 3117 break; | |
| 3118 } | |
| 3119 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3120 VarDeclaration *v = s->isVarDeclaration(); | |
| 3121 assert(v); | |
| 3122 if (v->offset < offset) | |
| 3123 error("overlapping initialization for %s", v->toChars()); | |
| 3124 offset = v->offset + v->type->size(); | |
| 3125 | |
| 3126 Type *telem = v->type; | |
| 3127 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3128 { /* Static array initialization, as in: | |
| 3129 * T[3][5] = e; | |
| 3130 */ | |
| 3131 telem = telem->toBasetype()->nextOf(); | |
| 3132 } | |
| 3133 | |
| 3134 e = e->implicitCastTo(sc, telem); | |
| 3135 | |
| 3136 elements->data[i] = (void *)e; | |
| 3137 } | |
| 3138 | |
| 3139 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3140 */ | |
| 3141 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3142 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3143 VarDeclaration *v = s->isVarDeclaration(); | |
| 3144 assert(v); | |
| 3145 | |
| 3146 if (v->offset < offset) | |
| 3147 { e = NULL; | |
| 3148 sd->hasUnions = 1; | |
| 3149 } | |
| 3150 else | |
| 3151 { | |
| 3152 if (v->init) | |
| 3153 { e = v->init->toExpression(); | |
| 3154 if (!e) | |
| 3155 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3156 } | |
| 3157 else | |
| 3158 { e = v->type->defaultInit(); | |
| 3159 e->loc = loc; | |
| 3160 } | |
| 3161 offset = v->offset + v->type->size(); | |
| 3162 } | |
| 3163 elements->push(e); | |
| 3164 } | |
| 3165 | |
| 3166 type = sd->type; | |
| 3167 return this; | |
| 3168 } | |
| 3169 | |
| 3170 /************************************** | |
| 3171 * Gets expression at offset of type. | |
| 3172 * Returns NULL if not found. | |
| 3173 */ | |
| 3174 | |
| 3175 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
3176 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3177 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3178 // /*toChars()*/"", type->toChars(), offset); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3179 Expression *e = NULL; |
| 159 | 3180 int i = getFieldIndex(type, offset); |
| 3181 | |
| 3182 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3183 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3184 //printf("\ti = %d\n", i); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3185 assert(i < elements->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3186 e = (Expression *)elements->data[i]; |
| 159 | 3187 if (e) |
| 3188 { | |
| 3189 e = e->copy(); | |
| 3190 e->type = type; | |
| 3191 } | |
| 3192 } | |
| 3193 return e; | |
| 3194 } | |
| 3195 | |
| 3196 /************************************ | |
| 3197 * Get index of field. | |
| 3198 * Returns -1 if not found. | |
| 3199 */ | |
| 3200 | |
| 3201 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3202 { | |
| 3203 /* Find which field offset is by looking at the field offsets | |
| 3204 */ | |
| 3205 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3206 { | |
| 3207 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3208 VarDeclaration *v = s->isVarDeclaration(); | |
| 3209 assert(v); | |
| 3210 | |
| 3211 if (offset == v->offset && | |
| 3212 type->size() == v->type->size()) | |
| 3213 { Expression *e = (Expression *)elements->data[i]; | |
| 3214 if (e) | |
| 3215 { | |
| 3216 return i; | |
| 3217 } | |
| 3218 break; | |
| 3219 } | |
| 3220 } | |
| 3221 return -1; | |
| 3222 } | |
| 3223 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3224 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3225 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3226 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3227 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3228 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3229 #endif |
| 159 | 3230 |
| 3231 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3232 { | |
| 3233 return this; | |
| 3234 } | |
| 3235 | |
| 3236 | |
| 3237 int StructLiteralExp::checkSideEffect(int flag) | |
| 3238 { int f = 0; | |
| 3239 | |
| 3240 for (size_t i = 0; i < elements->dim; i++) | |
| 3241 { Expression *e = (Expression *)elements->data[i]; | |
| 3242 if (!e) | |
| 3243 continue; | |
| 3244 | |
| 3245 f |= e->checkSideEffect(2); | |
| 3246 } | |
| 3247 if (flag == 0 && f == 0) | |
| 3248 Expression::checkSideEffect(0); | |
| 3249 return f; | |
| 3250 } | |
| 3251 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3252 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3253 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3254 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3255 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3256 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3257 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3258 |
| 159 | 3259 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3260 { | |
| 3261 buf->writestring(sd->toChars()); | |
| 3262 buf->writeByte('('); | |
| 3263 argsToCBuffer(buf, elements, hgs); | |
| 3264 buf->writeByte(')'); | |
| 3265 } | |
| 3266 | |
| 3267 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3268 { | |
| 3269 size_t dim = elements ? elements->dim : 0; | |
| 3270 buf->printf("S%u", dim); | |
| 3271 for (size_t i = 0; i < dim; i++) | |
| 3272 { Expression *e = (Expression *)elements->data[i]; | |
| 3273 if (e) | |
| 3274 e->toMangleBuffer(buf); | |
| 3275 else | |
| 3276 buf->writeByte('v'); // 'v' for void | |
| 3277 } | |
| 3278 } | |
| 3279 | |
| 3280 /************************ TypeDotIdExp ************************************/ | |
| 3281 | |
| 3282 /* Things like: | |
| 3283 * int.size | |
| 3284 * foo.size | |
| 3285 * (foo).size | |
| 3286 * cast(foo).size | |
| 3287 */ | |
| 3288 | |
| 3289 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3290 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3291 { | |
| 3292 this->type = type; | |
| 3293 this->ident = ident; | |
| 3294 } | |
| 3295 | |
| 3296 Expression *TypeDotIdExp::syntaxCopy() | |
| 3297 { | |
| 3298 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3299 return te; | |
| 3300 } | |
| 3301 | |
| 3302 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3303 { Expression *e; | |
| 3304 | |
| 3305 #if LOGSEMANTIC | |
| 3306 printf("TypeDotIdExp::semantic()\n"); | |
| 3307 #endif | |
| 3308 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3309 e = e->semantic(sc); | |
| 3310 return e; | |
| 3311 } | |
| 3312 | |
| 3313 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3314 { | |
| 3315 buf->writeByte('('); | |
| 3316 type->toCBuffer(buf, NULL, hgs); | |
| 3317 buf->writeByte(')'); | |
| 3318 buf->writeByte('.'); | |
| 3319 buf->writestring(ident->toChars()); | |
| 3320 } | |
| 3321 | |
| 3322 /************************************************************/ | |
| 3323 | |
| 3324 // Mainly just a placeholder | |
| 3325 | |
| 3326 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3327 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3328 { | |
| 3329 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3330 this->type = type; | |
| 3331 } | |
| 3332 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3333 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3334 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3335 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3336 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3337 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3338 |
| 159 | 3339 Expression *TypeExp::semantic(Scope *sc) |
| 3340 { | |
| 3341 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3342 type = type->semantic(loc, sc); | |
| 3343 return this; | |
| 3344 } | |
| 3345 | |
| 3346 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3347 { | |
| 3348 type->toCBuffer(buf, NULL, hgs); | |
| 3349 } | |
| 3350 | |
| 3351 /************************************************************/ | |
| 3352 | |
| 3353 // Mainly just a placeholder | |
| 3354 | |
| 3355 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3356 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3357 { | |
| 3358 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3359 //static int count; if (++count == 38) *(char*)0=0; | |
| 3360 this->sds = pkg; | |
| 3361 } | |
| 3362 | |
| 3363 Expression *ScopeExp::syntaxCopy() | |
| 3364 { | |
| 3365 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3366 return se; | |
| 3367 } | |
| 3368 | |
| 3369 Expression *ScopeExp::semantic(Scope *sc) | |
| 3370 { | |
| 3371 TemplateInstance *ti; | |
| 3372 ScopeDsymbol *sds2; | |
| 3373 | |
| 3374 #if LOGSEMANTIC | |
| 3375 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3376 #endif | |
| 3377 Lagain: | |
| 3378 ti = sds->isTemplateInstance(); | |
| 3379 if (ti && !global.errors) | |
| 3380 { Dsymbol *s; | |
| 3381 if (!ti->semanticdone) | |
| 3382 ti->semantic(sc); | |
| 3383 s = ti->inst->toAlias(); | |
| 3384 sds2 = s->isScopeDsymbol(); | |
| 3385 if (!sds2) | |
| 3386 { Expression *e; | |
| 3387 | |
| 3388 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3389 if (ti->withsym) | |
| 3390 { | |
| 3391 // Same as wthis.s | |
| 3392 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3393 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3394 } | |
| 3395 else | |
| 3396 e = new DsymbolExp(loc, s); | |
| 3397 e = e->semantic(sc); | |
| 3398 //printf("-1ScopeExp::semantic()\n"); | |
| 3399 return e; | |
| 3400 } | |
| 3401 if (sds2 != sds) | |
| 3402 { | |
| 3403 sds = sds2; | |
| 3404 goto Lagain; | |
| 3405 } | |
| 3406 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3407 } | |
| 3408 else | |
| 3409 { | |
| 3410 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3411 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3412 sds->semantic(sc); | |
| 3413 } | |
| 3414 type = Type::tvoid; | |
| 3415 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3416 return this; | |
| 3417 } | |
| 3418 | |
| 3419 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3420 { | |
| 3421 if (sds->isTemplateInstance()) | |
| 3422 { | |
| 3423 sds->toCBuffer(buf, hgs); | |
| 3424 } | |
| 3425 else | |
| 3426 { | |
| 3427 buf->writestring(sds->kind()); | |
| 3428 buf->writestring(" "); | |
| 3429 buf->writestring(sds->toChars()); | |
| 3430 } | |
| 3431 } | |
| 3432 | |
| 3433 /********************** TemplateExp **************************************/ | |
| 3434 | |
| 3435 // Mainly just a placeholder | |
| 3436 | |
| 3437 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3438 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3439 { | |
| 3440 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3441 this->td = td; | |
| 3442 } | |
| 3443 | |
| 3444 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3445 { | |
| 3446 buf->writestring(td->toChars()); | |
| 3447 } | |
| 3448 | |
| 3449 void TemplateExp::rvalue() | |
| 3450 { | |
| 3451 error("template %s has no value", toChars()); | |
| 3452 } | |
| 3453 | |
| 3454 /********************** NewExp **************************************/ | |
| 3455 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3456 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3457 |
| 159 | 3458 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3459 Type *newtype, Expressions *arguments) | |
| 3460 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3461 { | |
| 3462 this->thisexp = thisexp; | |
| 3463 this->newargs = newargs; | |
| 3464 this->newtype = newtype; | |
| 3465 this->arguments = arguments; | |
| 3466 member = NULL; | |
| 3467 allocator = NULL; | |
| 3468 onstack = 0; | |
| 3469 } | |
| 3470 | |
| 3471 Expression *NewExp::syntaxCopy() | |
| 3472 { | |
| 3473 return new NewExp(loc, | |
| 3474 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3475 arraySyntaxCopy(newargs), | |
| 3476 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3477 } | |
| 3478 | |
| 3479 | |
| 3480 Expression *NewExp::semantic(Scope *sc) | |
| 3481 { int i; | |
| 3482 Type *tb; | |
| 3483 ClassDeclaration *cdthis = NULL; | |
| 3484 | |
| 3485 #if LOGSEMANTIC | |
| 3486 printf("NewExp::semantic() %s\n", toChars()); | |
| 3487 if (thisexp) | |
| 3488 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3489 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3490 #endif | |
| 3491 if (type) // if semantic() already run | |
| 3492 return this; | |
| 3493 | |
| 3494 Lagain: | |
| 3495 if (thisexp) | |
| 3496 { thisexp = thisexp->semantic(sc); | |
| 3497 cdthis = thisexp->type->isClassHandle(); | |
| 3498 if (cdthis) | |
| 3499 { | |
| 3500 sc = sc->push(cdthis); | |
| 3501 type = newtype->semantic(loc, sc); | |
| 3502 sc = sc->pop(); | |
| 3503 } | |
| 3504 else | |
| 3505 { | |
| 3506 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3507 type = newtype->semantic(loc, sc); | |
| 3508 } | |
| 3509 } | |
| 3510 else | |
| 3511 type = newtype->semantic(loc, sc); | |
| 3512 newtype = type; // in case type gets cast to something else | |
| 3513 tb = type->toBasetype(); | |
| 3514 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3515 | |
| 3516 arrayExpressionSemantic(newargs, sc); | |
| 3517 preFunctionArguments(loc, sc, newargs); | |
| 3518 arrayExpressionSemantic(arguments, sc); | |
| 3519 preFunctionArguments(loc, sc, arguments); | |
| 3520 | |
| 3521 if (thisexp && tb->ty != Tclass) | |
| 3522 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3523 | |
| 3524 if (tb->ty == Tclass) | |
| 3525 { TypeFunction *tf; | |
| 3526 | |
| 3527 TypeClass *tc = (TypeClass *)(tb); | |
| 3528 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3529 if (cd->isInterfaceDeclaration()) | |
| 3530 error("cannot create instance of interface %s", cd->toChars()); | |
| 3531 else if (cd->isAbstract()) | |
| 3532 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3533 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3534 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3535 if (fd && fd->isAbstract()) | |
| 3536 error("function %s is abstract", fd->toChars()); | |
| 3537 } | |
| 3538 } | |
| 3539 checkDeprecated(sc, cd); | |
| 3540 if (cd->isNested()) | |
| 3541 { /* We need a 'this' pointer for the nested class. | |
| 3542 * Ensure we have the right one. | |
| 3543 */ | |
| 3544 Dsymbol *s = cd->toParent2(); | |
| 3545 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
|
3546 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3547 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3548 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3549 if (cdn) |
| 3550 { | |
| 3551 if (!cdthis) | |
| 3552 { | |
| 3553 // Supply an implicit 'this' and try again | |
| 3554 thisexp = new ThisExp(loc); | |
| 3555 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3556 { if (!sp) | |
| 3557 { | |
| 3558 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3559 break; | |
| 3560 } | |
| 3561 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3562 if (!cdp) | |
| 3563 continue; | |
| 3564 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3565 break; | |
| 3566 // Add a '.outer' and try again | |
| 3567 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3568 } | |
| 3569 if (!global.errors) | |
| 3570 goto Lagain; | |
| 3571 } | |
| 3572 if (cdthis) | |
| 3573 { | |
| 3574 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3575 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3576 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3577 } | |
| 3578 #if 0 | |
| 3579 else | |
| 3580 { | |
| 3581 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3582 { | |
| 3583 if (!sf) | |
| 3584 { | |
| 3585 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3586 break; | |
| 3587 } | |
| 3588 printf("sf = %s\n", sf->toChars()); | |
| 3589 AggregateDeclaration *ad = sf->isThis(); | |
| 3590 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3591 break; | |
| 3592 } | |
| 3593 } | |
| 3594 #endif | |
| 3595 } | |
| 3596 else if (thisexp) | |
| 3597 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
|
3598 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
|
3599 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3600 // 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
|
3601 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
|
3602 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3603 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
|
3604 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3605 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
|
3606 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
|
3607 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3608 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
|
3609 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3610 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3611 } |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3612 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3613 } |
| 159 | 3614 } |
| 3615 else if (thisexp) | |
| 3616 error("e.new is only for allocating nested classes"); | |
| 3617 | |
| 3618 FuncDeclaration *f = cd->ctor; | |
| 3619 if (f) | |
| 3620 { | |
| 3621 assert(f); | |
| 3622 f = f->overloadResolve(loc, arguments); | |
| 3623 checkDeprecated(sc, f); | |
| 3624 member = f->isCtorDeclaration(); | |
| 3625 assert(member); | |
| 3626 | |
| 3627 cd->accessCheck(loc, sc, member); | |
| 3628 | |
| 3629 tf = (TypeFunction *)f->type; | |
| 3630 type = tf->next; | |
| 3631 | |
| 3632 if (!arguments) | |
| 3633 arguments = new Expressions(); | |
| 3634 functionArguments(loc, sc, tf, arguments); | |
| 3635 } | |
| 3636 else | |
| 3637 { | |
| 3638 if (arguments && arguments->dim) | |
| 3639 error("no constructor for %s", cd->toChars()); | |
| 3640 } | |
| 3641 | |
| 3642 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3643 { |
|
891
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
3644 // Prepend the size_t size argument to newargs[] |
|
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
3645 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3646 if (!newargs) |
| 3647 newargs = new Expressions(); | |
| 3648 newargs->shift(e); | |
| 3649 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3650 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3651 allocator = f->isNewDeclaration(); |
| 3652 assert(allocator); | |
| 3653 | |
| 3654 tf = (TypeFunction *)f->type; | |
| 3655 functionArguments(loc, sc, tf, newargs); | |
| 3656 } | |
| 3657 else | |
| 3658 { | |
| 3659 if (newargs && newargs->dim) | |
| 3660 error("no allocator for %s", cd->toChars()); | |
| 3661 } | |
| 3662 } | |
| 3663 else if (tb->ty == Tstruct) | |
| 3664 { | |
| 3665 TypeStruct *ts = (TypeStruct *)tb; | |
| 3666 StructDeclaration *sd = ts->sym; | |
| 3667 FuncDeclaration *f = sd->aggNew; | |
| 3668 TypeFunction *tf; | |
| 3669 | |
| 3670 if (arguments && arguments->dim) | |
| 3671 error("no constructor for %s", type->toChars()); | |
| 3672 | |
| 3673 if (f) | |
| 3674 { | |
| 3675 Expression *e; | |
| 3676 | |
| 3677 // Prepend the uint size argument to newargs[] | |
| 3678 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3679 if (!newargs) | |
| 3680 newargs = new Expressions(); | |
| 3681 newargs->shift(e); | |
| 3682 | |
| 3683 f = f->overloadResolve(loc, newargs); | |
| 3684 allocator = f->isNewDeclaration(); | |
| 3685 assert(allocator); | |
| 3686 | |
| 3687 tf = (TypeFunction *)f->type; | |
| 3688 functionArguments(loc, sc, tf, newargs); | |
| 3689 | |
| 3690 e = new VarExp(loc, f); | |
| 3691 e = new CallExp(loc, e, newargs); | |
| 3692 e = e->semantic(sc); | |
| 3693 e->type = type->pointerTo(); | |
| 3694 return e; | |
| 3695 } | |
| 3696 | |
| 3697 type = type->pointerTo(); | |
| 3698 } | |
| 3699 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3700 { | |
| 3701 for (size_t i = 0; i < arguments->dim; i++) | |
| 3702 { | |
| 3703 if (tb->ty != Tarray) | |
| 3704 { error("too many arguments for array"); | |
| 3705 arguments->dim = i; | |
| 3706 break; | |
| 3707 } | |
| 3708 | |
| 3709 Expression *arg = (Expression *)arguments->data[i]; | |
| 3710 arg = resolveProperties(sc, arg); | |
| 3711 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3712 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3713 error("negative array index %s", arg->toChars()); | |
| 3714 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
|
3715 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3716 } |
| 3717 } | |
| 3718 else if (tb->isscalar()) | |
| 3719 { | |
| 3720 if (arguments && arguments->dim) | |
| 3721 error("no constructor for %s", type->toChars()); | |
| 3722 | |
| 3723 type = type->pointerTo(); | |
| 3724 } | |
| 3725 else | |
| 3726 { | |
| 3727 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3728 type = type->pointerTo(); | |
| 3729 } | |
| 3730 | |
| 3731 //printf("NewExp: '%s'\n", toChars()); | |
| 3732 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3733 | |
| 3734 return this; | |
| 3735 } | |
| 3736 | |
| 3737 int NewExp::checkSideEffect(int flag) | |
| 3738 { | |
| 3739 return 1; | |
| 3740 } | |
| 3741 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3742 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3743 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3744 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3745 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3747 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3748 |
| 159 | 3749 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3750 { int i; | |
| 3751 | |
| 3752 if (thisexp) | |
| 3753 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3754 buf->writeByte('.'); | |
| 3755 } | |
| 3756 buf->writestring("new "); | |
| 3757 if (newargs && newargs->dim) | |
| 3758 { | |
| 3759 buf->writeByte('('); | |
| 3760 argsToCBuffer(buf, newargs, hgs); | |
| 3761 buf->writeByte(')'); | |
| 3762 } | |
| 3763 newtype->toCBuffer(buf, NULL, hgs); | |
| 3764 if (arguments && arguments->dim) | |
| 3765 { | |
| 3766 buf->writeByte('('); | |
| 3767 argsToCBuffer(buf, arguments, hgs); | |
| 3768 buf->writeByte(')'); | |
| 3769 } | |
| 3770 } | |
| 3771 | |
| 3772 /********************** NewAnonClassExp **************************************/ | |
| 3773 | |
| 3774 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3775 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3776 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3777 { | |
| 3778 this->thisexp = thisexp; | |
| 3779 this->newargs = newargs; | |
| 3780 this->cd = cd; | |
| 3781 this->arguments = arguments; | |
| 3782 } | |
| 3783 | |
| 3784 Expression *NewAnonClassExp::syntaxCopy() | |
| 3785 { | |
| 3786 return new NewAnonClassExp(loc, | |
| 3787 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3788 arraySyntaxCopy(newargs), | |
| 3789 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3790 arraySyntaxCopy(arguments)); | |
| 3791 } | |
| 3792 | |
| 3793 | |
| 3794 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3795 { | |
| 3796 #if LOGSEMANTIC | |
| 3797 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3798 //printf("thisexp = %p\n", thisexp); |
| 159 | 3799 //printf("type: %s\n", type->toChars()); |
| 3800 #endif | |
| 3801 | |
| 3802 Expression *d = new DeclarationExp(loc, cd); | |
| 3803 d = d->semantic(sc); | |
| 3804 | |
| 3805 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3806 | |
| 3807 Expression *c = new CommaExp(loc, d, n); | |
| 3808 return c->semantic(sc); | |
| 3809 } | |
| 3810 | |
| 3811 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3812 { | |
| 3813 return 1; | |
| 3814 } | |
| 3815 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3816 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3817 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3818 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3819 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3820 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3821 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3822 |
| 159 | 3823 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3824 { int i; | |
| 3825 | |
| 3826 if (thisexp) | |
| 3827 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3828 buf->writeByte('.'); | |
| 3829 } | |
| 3830 buf->writestring("new"); | |
| 3831 if (newargs && newargs->dim) | |
| 3832 { | |
| 3833 buf->writeByte('('); | |
| 3834 argsToCBuffer(buf, newargs, hgs); | |
| 3835 buf->writeByte(')'); | |
| 3836 } | |
| 3837 buf->writestring(" class "); | |
| 3838 if (arguments && arguments->dim) | |
| 3839 { | |
| 3840 buf->writeByte('('); | |
| 3841 argsToCBuffer(buf, arguments, hgs); | |
| 3842 buf->writeByte(')'); | |
| 3843 } | |
| 3844 //buf->writestring(" { }"); | |
| 3845 if (cd) | |
| 3846 { | |
| 3847 cd->toCBuffer(buf, hgs); | |
| 3848 } | |
| 3849 } | |
| 3850 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3851 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3852 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3853 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3854 SymbolExp::SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3855 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3856 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3857 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3858 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3859 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 |
| 159 | 3863 /********************** SymOffExp **************************************/ |
| 3864 | |
| 3865 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3866 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3867 { | |
| 3868 assert(var); | |
| 3869 this->var = var; | |
| 3870 this->offset = offset; | |
| 3871 VarDeclaration *v = var->isVarDeclaration(); | |
| 3872 if (v && v->needThis()) | |
| 3873 error("need 'this' for address of %s", v->toChars()); | |
| 3874 } | |
| 3875 | |
| 3876 Expression *SymOffExp::semantic(Scope *sc) | |
| 3877 { | |
| 3878 #if LOGSEMANTIC | |
| 3879 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3880 #endif | |
| 3881 //var->semantic(sc); | |
| 3882 if (!type) | |
| 3883 type = var->type->pointerTo(); | |
| 3884 VarDeclaration *v = var->isVarDeclaration(); | |
| 3885 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3886 v->checkNestedReference(sc, loc); |
| 159 | 3887 return this; |
| 3888 } | |
| 3889 | |
| 3890 int SymOffExp::isBool(int result) | |
| 3891 { | |
| 3892 return result ? TRUE : FALSE; | |
| 3893 } | |
| 3894 | |
| 3895 void SymOffExp::checkEscape() | |
| 3896 { | |
| 3897 VarDeclaration *v = var->isVarDeclaration(); | |
| 3898 if (v) | |
| 3899 { | |
| 3900 if (!v->isDataseg()) | |
| 3901 error("escaping reference to local variable %s", v->toChars()); | |
| 3902 } | |
| 3903 } | |
| 3904 | |
| 3905 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3906 { | |
| 3907 if (offset) | |
| 3908 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3909 else | |
| 3910 buf->printf("& %s", var->toChars()); | |
| 3911 } | |
| 3912 | |
| 3913 /******************************** VarExp **************************/ | |
| 3914 | |
| 3915 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3916 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3917 { | |
| 3918 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3919 this->var = var; | |
| 3920 this->type = var->type; | |
| 3921 } | |
| 3922 | |
| 3923 int VarExp::equals(Object *o) | |
| 3924 { VarExp *ne; | |
| 3925 | |
| 3926 if (this == o || | |
| 3927 (((Expression *)o)->op == TOKvar && | |
| 3928 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3929 var == ne->var)) | |
| 3930 return 1; | |
| 3931 return 0; | |
| 3932 } | |
| 3933 | |
| 3934 Expression *VarExp::semantic(Scope *sc) | |
| 3935 { FuncLiteralDeclaration *fd; | |
| 3936 | |
| 3937 #if LOGSEMANTIC | |
| 3938 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3939 #endif | |
| 3940 if (!type) | |
| 3941 { type = var->type; | |
| 3942 #if 0 | |
| 3943 if (var->storage_class & STClazy) | |
| 3944 { | |
| 3945 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3946 type = new TypeDelegate(tf); | |
| 3947 type = type->semantic(loc, sc); | |
| 3948 } | |
| 3949 #endif | |
| 3950 } | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
3951 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3952 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3953 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3954 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3955 //accessCheck(loc, sc, NULL, var); |
| 159 | 3956 |
| 3957 VarDeclaration *v = var->isVarDeclaration(); | |
| 3958 if (v) | |
| 3959 { | |
| 3960 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3961 { | |
| 3962 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3963 if (ei) | |
| 3964 { | |
| 3965 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3966 return ei->exp->implicitCastTo(sc, type); | |
| 3967 } | |
| 3968 } | |
| 3969 v->checkNestedReference(sc, loc); | |
|
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parents:
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diff
changeset
|
3970 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3971 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3972 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3973 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3974 error("pure function '%s' cannot access mutable static data '%s'", sc->func->toChars(), v->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3975 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3976 #endif |
| 159 | 3977 } |
| 3978 #if 0 | |
| 3979 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3980 { Expression *e; | |
| 3981 e = new FuncExp(loc, fd); | |
| 3982 e->type = type; | |
| 3983 return e; | |
| 3984 } | |
| 3985 #endif | |
| 3986 return this; | |
| 3987 } | |
| 3988 | |
| 3989 char *VarExp::toChars() | |
| 3990 { | |
| 3991 return var->toChars(); | |
| 3992 } | |
| 3993 | |
| 3994 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3995 { | |
| 3996 buf->writestring(var->toChars()); | |
| 3997 } | |
| 3998 | |
| 3999 void VarExp::checkEscape() | |
| 4000 { | |
| 4001 VarDeclaration *v = var->isVarDeclaration(); | |
| 4002 if (v) | |
| 4003 { Type *tb = v->type->toBasetype(); | |
| 4004 // if reference type | |
| 4005 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4006 { | |
| 4007 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4008 error("escaping reference to auto local %s", v->toChars()); | |
| 4009 else if (v->storage_class & STCvariadic) | |
| 4010 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4011 } | |
| 4012 } | |
| 4013 } | |
| 4014 | |
|
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|
4015 #if DMDV2 |
|
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|
4016 int VarExp::isLvalue() |
|
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Merged DMD 1.038
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|
4017 { |
|
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diff
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|
4018 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
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diff
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|
4019 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4020 return 1; |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
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|
4021 } |
|
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Merged DMD 1.038
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parents:
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diff
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|
4022 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4023 |
| 159 | 4024 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4025 { | |
| 4026 #if 0 | |
| 4027 tym = tybasic(e1->ET->Tty); | |
| 4028 if (!(tyscalar(tym) || | |
| 4029 tym == TYstruct || | |
| 4030 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4031 synerr(EM_lvalue); // lvalue expected | |
| 4032 #endif | |
| 4033 if (var->storage_class & STClazy) | |
| 4034 error("lazy variables cannot be lvalues"); | |
| 4035 return this; | |
| 4036 } | |
| 4037 | |
| 4038 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4039 { | |
| 4040 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4041 if (sc->incontract && var->isParameter()) | |
| 4042 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4043 | |
| 4044 if (type && type->toBasetype()->ty == Tsarray) | |
| 4045 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4046 | |
| 4047 VarDeclaration *v = var->isVarDeclaration(); | |
| 4048 if (v && v->canassign == 0 && | |
| 4049 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4050 error("cannot modify final variable '%s'", var->toChars()); | |
| 4051 | |
| 4052 if (var->isCtorinit()) | |
| 4053 { // It's only modifiable if inside the right constructor | |
| 4054 Dsymbol *s = sc->func; | |
| 4055 while (1) | |
| 4056 { | |
| 4057 FuncDeclaration *fd = NULL; | |
| 4058 if (s) | |
| 4059 fd = s->isFuncDeclaration(); | |
| 4060 if (fd && | |
| 4061 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4062 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4063 fd->toParent() == var->toParent() | |
| 4064 ) | |
| 4065 { | |
| 4066 VarDeclaration *v = var->isVarDeclaration(); | |
| 4067 assert(v); | |
| 4068 v->ctorinit = 1; | |
| 4069 //printf("setting ctorinit\n"); | |
| 4070 } | |
| 4071 else | |
| 4072 { | |
| 4073 if (s) | |
| 4074 { s = s->toParent2(); | |
| 4075 continue; | |
| 4076 } | |
| 4077 else | |
| 4078 { | |
| 4079 const char *p = var->isStatic() ? "static " : ""; | |
| 4080 error("can only initialize %sconst %s inside %sconstructor", | |
| 4081 p, var->toChars(), p); | |
| 4082 } | |
| 4083 } | |
| 4084 break; | |
| 4085 } | |
| 4086 } | |
| 4087 | |
| 4088 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4089 return toLvalue(sc, e); | |
| 4090 } | |
| 4091 | |
| 4092 | |
|
510
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diff
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|
4093 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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486
diff
changeset
|
4094 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4095 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4096 OverExp::OverExp(OverloadSet *s) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4097 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4098 { |
|
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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
|
4099 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
4100 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4101 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
|
4102 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4103 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4104 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
4105 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4106 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
|
4107 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4108 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4109 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4110 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4111 return this; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4112 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4113 #endif |
|
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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
|
4114 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4115 |
| 159 | 4116 /******************************** TupleExp **************************/ |
| 4117 | |
| 4118 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4119 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4120 { | |
| 4121 //printf("TupleExp(this = %p)\n", this); | |
| 4122 this->exps = exps; | |
| 4123 this->type = NULL; | |
| 4124 } | |
| 4125 | |
| 4126 | |
| 4127 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4128 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4129 { | |
| 4130 exps = new Expressions(); | |
| 4131 type = NULL; | |
| 4132 | |
| 4133 exps->reserve(tup->objects->dim); | |
| 4134 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4135 { Object *o = (Object *)tup->objects->data[i]; | |
| 4136 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4137 { | |
| 4138 Expression *e = (Expression *)o; | |
| 4139 e = e->syntaxCopy(); | |
| 4140 exps->push(e); | |
| 4141 } | |
| 4142 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4143 { | |
| 4144 Dsymbol *s = (Dsymbol *)o; | |
| 4145 Expression *e = new DsymbolExp(loc, s); | |
| 4146 exps->push(e); | |
| 4147 } | |
| 4148 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4149 { | |
| 4150 Type *t = (Type *)o; | |
| 4151 Expression *e = new TypeExp(loc, t); | |
| 4152 exps->push(e); | |
| 4153 } | |
| 4154 else | |
| 4155 { | |
| 4156 error("%s is not an expression", o->toChars()); | |
| 4157 } | |
| 4158 } | |
| 4159 } | |
| 4160 | |
| 4161 int TupleExp::equals(Object *o) | |
| 4162 { TupleExp *ne; | |
| 4163 | |
| 4164 if (this == o) | |
| 4165 return 1; | |
| 4166 if (((Expression *)o)->op == TOKtuple) | |
| 4167 { | |
| 4168 TupleExp *te = (TupleExp *)o; | |
| 4169 if (exps->dim != te->exps->dim) | |
| 4170 return 0; | |
| 4171 for (size_t i = 0; i < exps->dim; i++) | |
| 4172 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4173 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4174 | |
| 4175 if (!e1->equals(e2)) | |
| 4176 return 0; | |
| 4177 } | |
| 4178 return 1; | |
| 4179 } | |
| 4180 return 0; | |
| 4181 } | |
| 4182 | |
| 4183 Expression *TupleExp::syntaxCopy() | |
| 4184 { | |
| 4185 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4186 } | |
| 4187 | |
| 4188 Expression *TupleExp::semantic(Scope *sc) | |
| 4189 { | |
| 4190 #if LOGSEMANTIC | |
| 4191 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4192 #endif | |
| 4193 if (type) | |
| 4194 return this; | |
| 4195 | |
| 4196 // Run semantic() on each argument | |
| 4197 for (size_t i = 0; i < exps->dim; i++) | |
| 4198 { Expression *e = (Expression *)exps->data[i]; | |
| 4199 | |
| 4200 e = e->semantic(sc); | |
| 4201 if (!e->type) | |
| 4202 { error("%s has no value", e->toChars()); | |
| 4203 e->type = Type::terror; | |
| 4204 } | |
| 4205 exps->data[i] = (void *)e; | |
| 4206 } | |
| 4207 | |
| 4208 expandTuples(exps); | |
| 4209 if (0 && exps->dim == 1) | |
| 4210 { | |
| 4211 return (Expression *)exps->data[0]; | |
| 4212 } | |
| 4213 type = new TypeTuple(exps); | |
| 4214 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4215 return this; | |
| 4216 } | |
| 4217 | |
| 4218 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4219 { | |
| 4220 buf->writestring("tuple("); | |
| 4221 argsToCBuffer(buf, exps, hgs); | |
| 4222 buf->writeByte(')'); | |
| 4223 } | |
| 4224 | |
| 4225 int TupleExp::checkSideEffect(int flag) | |
| 4226 { int f = 0; | |
| 4227 | |
| 4228 for (int i = 0; i < exps->dim; i++) | |
| 4229 { Expression *e = (Expression *)exps->data[i]; | |
| 4230 | |
| 4231 f |= e->checkSideEffect(2); | |
| 4232 } | |
| 4233 if (flag == 0 && f == 0) | |
| 4234 Expression::checkSideEffect(0); | |
| 4235 return f; | |
| 4236 } | |
| 4237 | |
|
875
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
4238 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4239 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4240 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4241 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4242 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4243 #endif |
|
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parents:
846
diff
changeset
|
4244 |
| 159 | 4245 void TupleExp::checkEscape() |
| 4246 { | |
| 4247 for (size_t i = 0; i < exps->dim; i++) | |
| 4248 { Expression *e = (Expression *)exps->data[i]; | |
| 4249 e->checkEscape(); | |
| 4250 } | |
| 4251 } | |
| 4252 | |
| 4253 /******************************** FuncExp *********************************/ | |
| 4254 | |
| 4255 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4256 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4257 { | |
| 4258 this->fd = fd; | |
| 4259 } | |
| 4260 | |
| 4261 Expression *FuncExp::syntaxCopy() | |
| 4262 { | |
| 4263 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4264 } | |
| 4265 | |
| 4266 Expression *FuncExp::semantic(Scope *sc) | |
| 4267 { | |
| 4268 #if LOGSEMANTIC | |
| 4269 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4270 #endif | |
| 4271 if (!type) | |
| 4272 { | |
| 4273 fd->semantic(sc); | |
| 4274 fd->parent = sc->parent; | |
| 4275 if (global.errors) | |
| 4276 { | |
| 4277 if (!fd->type->next) | |
| 4278 fd->type->next = Type::terror; | |
| 4279 } | |
| 4280 else | |
| 4281 { | |
| 4282 fd->semantic2(sc); | |
| 4283 if (!global.errors) | |
| 4284 { | |
| 4285 fd->semantic3(sc); | |
| 4286 | |
| 4287 if (!global.errors && global.params.useInline) | |
| 4288 fd->inlineScan(); | |
| 4289 } | |
| 4290 } | |
| 4291 | |
| 4292 // Type is a "delegate to" or "pointer to" the function literal | |
| 4293 if (fd->isNested()) | |
| 4294 { | |
| 4295 type = new TypeDelegate(fd->type); | |
| 4296 type = type->semantic(loc, sc); | |
| 4297 } | |
| 4298 else | |
| 4299 { | |
| 4300 type = fd->type->pointerTo(); | |
| 4301 } | |
| 4302 } | |
| 4303 return this; | |
| 4304 } | |
| 4305 | |
| 4306 char *FuncExp::toChars() | |
| 4307 { | |
| 4308 return fd->toChars(); | |
| 4309 } | |
| 4310 | |
| 4311 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4312 { | |
| 4313 buf->writestring(fd->toChars()); | |
| 4314 } | |
| 4315 | |
| 4316 | |
| 4317 /******************************** DeclarationExp **************************/ | |
| 4318 | |
| 4319 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4320 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4321 { | |
| 4322 this->declaration = declaration; | |
| 4323 } | |
| 4324 | |
| 4325 Expression *DeclarationExp::syntaxCopy() | |
| 4326 { | |
| 4327 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4328 } | |
| 4329 | |
| 4330 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4331 { | |
| 4332 if (type) | |
| 4333 return this; | |
| 4334 | |
| 4335 #if LOGSEMANTIC | |
| 4336 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4337 #endif | |
| 4338 | |
| 4339 /* This is here to support extern(linkage) declaration, | |
| 4340 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4341 * wrapper. | |
| 4342 */ | |
| 4343 Dsymbol *s = declaration; | |
| 4344 | |
| 4345 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4346 if (ad) | |
| 4347 { | |
| 4348 if (ad->decl && ad->decl->dim == 1) | |
| 4349 s = (Dsymbol *)ad->decl->data[0]; | |
| 4350 } | |
| 4351 | |
| 4352 if (s->isVarDeclaration()) | |
| 4353 { // Do semantic() on initializer first, so: | |
| 4354 // int a = a; | |
| 4355 // will be illegal. | |
| 4356 declaration->semantic(sc); | |
| 4357 s->parent = sc->parent; | |
| 4358 } | |
| 4359 | |
| 4360 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4361 // Insert into both local scope and function scope. | |
| 4362 // Must be unique in both. | |
| 4363 if (s->ident) | |
| 4364 { | |
| 4365 if (!sc->insert(s)) | |
| 4366 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4367 else if (sc->func) | |
| 4368 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4369 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4370 !sc->func->localsymtab->insert(s)) | |
| 4371 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4372 else if (!global.params.useDeprecated) | |
| 4373 { // Disallow shadowing | |
| 4374 | |
| 4375 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4376 { Dsymbol *s2; | |
| 4377 | |
| 4378 if (scx->scopesym && scx->scopesym->symtab && | |
| 4379 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4380 s != s2) | |
| 4381 { | |
| 4382 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4383 } | |
| 4384 } | |
| 4385 } | |
| 4386 } | |
| 4387 } | |
| 4388 if (!s->isVarDeclaration()) | |
| 4389 { | |
| 4390 declaration->semantic(sc); | |
| 4391 s->parent = sc->parent; | |
| 4392 } | |
| 4393 if (!global.errors) | |
| 4394 { | |
| 4395 declaration->semantic2(sc); | |
| 4396 if (!global.errors) | |
| 4397 { | |
| 4398 declaration->semantic3(sc); | |
| 4399 | |
| 4400 if (!global.errors && global.params.useInline) | |
| 4401 declaration->inlineScan(); | |
| 4402 } | |
| 4403 } | |
| 4404 | |
| 4405 type = Type::tvoid; | |
| 4406 return this; | |
| 4407 } | |
| 4408 | |
| 4409 int DeclarationExp::checkSideEffect(int flag) | |
| 4410 { | |
| 4411 return 1; | |
| 4412 } | |
| 4413 | |
|
875
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parents:
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|
4414 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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846
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changeset
|
4415 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4416 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4417 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4418 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 |
| 159 | 4426 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4427 { | |
| 4428 declaration->toCBuffer(buf, hgs); | |
| 4429 } | |
| 4430 | |
| 4431 | |
| 4432 /************************ TypeidExp ************************************/ | |
| 4433 | |
| 4434 /* | |
| 4435 * typeid(int) | |
| 4436 */ | |
| 4437 | |
| 4438 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4439 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4440 { | |
| 4441 this->typeidType = typeidType; | |
| 4442 } | |
| 4443 | |
| 4444 | |
| 4445 Expression *TypeidExp::syntaxCopy() | |
| 4446 { | |
| 4447 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4448 } | |
| 4449 | |
| 4450 | |
| 4451 Expression *TypeidExp::semantic(Scope *sc) | |
| 4452 { Expression *e; | |
| 4453 | |
| 4454 #if LOGSEMANTIC | |
| 4455 printf("TypeidExp::semantic()\n"); | |
| 4456 #endif | |
| 4457 typeidType = typeidType->semantic(loc, sc); | |
| 4458 e = typeidType->getTypeInfo(sc); | |
| 336 | 4459 if (e->loc.linnum == 0) |
| 4460 e->loc = loc; // so there's at least some line number info | |
| 159 | 4461 return e; |
| 4462 } | |
| 4463 | |
| 4464 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4465 { | |
| 4466 buf->writestring("typeid("); | |
| 4467 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4468 buf->writeByte(')'); | |
| 4469 } | |
| 4470 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4471 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4472 #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
|
4473 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4474 * __traits(identifier, args...) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4477 TraitsExp::TraitsExp(Loc loc, Identifier *ident, Objects *args) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 : Expression(loc, TOKtraits, sizeof(TraitsExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4480 this->ident = ident; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 this->args = args; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4482 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4483 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4484 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4485 Expression *TraitsExp::syntaxCopy() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4486 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4487 return new TraitsExp(loc, ident, TemplateInstance::arraySyntaxCopy(args)); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4488 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4489 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4490 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4491 void TraitsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4493 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
|
4494 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
|
4495 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
|
4496 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4497 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
|
4498 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4499 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
|
4500 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
|
4501 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
|
4502 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4503 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4504 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
|
4505 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4506 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4507 |
| 159 | 4508 /************************************************************/ |
| 4509 | |
| 4510 HaltExp::HaltExp(Loc loc) | |
| 4511 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4512 { | |
| 4513 } | |
| 4514 | |
| 4515 Expression *HaltExp::semantic(Scope *sc) | |
| 4516 { | |
| 4517 #if LOGSEMANTIC | |
| 4518 printf("HaltExp::semantic()\n"); | |
| 4519 #endif | |
| 4520 type = Type::tvoid; | |
| 4521 return this; | |
| 4522 } | |
| 4523 | |
| 4524 int HaltExp::checkSideEffect(int flag) | |
| 4525 { | |
| 4526 return 1; | |
| 4527 } | |
| 4528 | |
| 4529 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4530 { | |
| 4531 buf->writestring("halt"); | |
| 4532 } | |
| 4533 | |
| 4534 /************************************************************/ | |
| 4535 | |
| 4536 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4537 Type *tspec, enum TOK tok2) | |
| 4538 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4539 { | |
| 4540 this->targ = targ; | |
| 4541 this->id = id; | |
| 4542 this->tok = tok; | |
| 4543 this->tspec = tspec; | |
| 4544 this->tok2 = tok2; | |
| 4545 } | |
| 4546 | |
| 4547 Expression *IsExp::syntaxCopy() | |
| 4548 { | |
| 4549 return new IsExp(loc, | |
| 4550 targ->syntaxCopy(), | |
| 4551 id, | |
| 4552 tok, | |
| 4553 tspec ? tspec->syntaxCopy() : NULL, | |
| 4554 tok2); | |
| 4555 } | |
| 4556 | |
| 4557 Expression *IsExp::semantic(Scope *sc) | |
| 4558 { Type *tded; | |
| 4559 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4560 /* 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
|
4561 * 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
|
4562 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4563 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4564 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4565 if (id && !(sc->flags & SCOPEstaticif)) |
| 4566 error("can only declare type aliases within static if conditionals"); | |
| 4567 | |
| 4568 unsigned errors_save = global.errors; | |
| 4569 global.errors = 0; | |
| 4570 global.gag++; // suppress printing of error messages | |
| 4571 targ = targ->semantic(loc, sc); | |
| 4572 global.gag--; | |
| 4573 unsigned gerrors = global.errors; | |
| 4574 global.errors = errors_save; | |
| 4575 | |
| 4576 if (gerrors) // if any errors happened | |
| 4577 { // then condition is false | |
| 4578 goto Lno; | |
| 4579 } | |
| 4580 else if (tok2 != TOKreserved) | |
| 4581 { | |
| 4582 switch (tok2) | |
| 4583 { | |
| 4584 case TOKtypedef: | |
| 4585 if (targ->ty != Ttypedef) | |
| 4586 goto Lno; | |
| 4587 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4588 break; | |
| 4589 | |
| 4590 case TOKstruct: | |
| 4591 if (targ->ty != Tstruct) | |
| 4592 goto Lno; | |
| 4593 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4594 goto Lno; | |
| 4595 tded = targ; | |
| 4596 break; | |
| 4597 | |
| 4598 case TOKunion: | |
| 4599 if (targ->ty != Tstruct) | |
| 4600 goto Lno; | |
| 4601 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4602 goto Lno; | |
| 4603 tded = targ; | |
| 4604 break; | |
| 4605 | |
| 4606 case TOKclass: | |
| 4607 if (targ->ty != Tclass) | |
| 4608 goto Lno; | |
| 4609 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4610 goto Lno; | |
| 4611 tded = targ; | |
| 4612 break; | |
| 4613 | |
| 4614 case TOKinterface: | |
| 4615 if (targ->ty != Tclass) | |
| 4616 goto Lno; | |
| 4617 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4618 goto Lno; | |
| 4619 tded = targ; | |
| 4620 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
|
4621 #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
|
4622 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
|
4623 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
|
4624 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
|
4625 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
|
4626 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4627 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4628 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4629 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
|
4630 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
|
4631 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
|
4632 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
|
4633 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4634 #endif |
| 159 | 4635 |
| 4636 case TOKsuper: | |
| 4637 // If class or interface, get the base class and interfaces | |
| 4638 if (targ->ty != Tclass) | |
| 4639 goto Lno; | |
| 4640 else | |
| 4641 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4642 Arguments *args = new Arguments; | |
| 4643 args->reserve(cd->baseclasses.dim); | |
| 4644 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4645 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4646 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4647 } | |
| 4648 tded = new TypeTuple(args); | |
| 4649 } | |
| 4650 break; | |
| 4651 | |
| 4652 case TOKenum: | |
| 4653 if (targ->ty != Tenum) | |
| 4654 goto Lno; | |
| 4655 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4656 break; | |
| 4657 | |
| 4658 case TOKdelegate: | |
| 4659 if (targ->ty != Tdelegate) | |
| 4660 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
|
4661 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4662 break; |
| 4663 | |
| 4664 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
|
4665 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4666 if (targ->ty != Tfunction) |
| 159 | 4667 goto Lno; |
| 4668 tded = targ; | |
| 4669 | |
| 4670 /* Generate tuple from function parameter types. | |
| 4671 */ | |
| 4672 assert(tded->ty == Tfunction); | |
| 4673 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4674 size_t dim = Argument::dim(params); | |
| 4675 Arguments *args = new Arguments; | |
| 4676 args->reserve(dim); | |
| 4677 for (size_t i = 0; i < dim; i++) | |
| 4678 { Argument *arg = Argument::getNth(params, i); | |
| 4679 assert(arg && arg->type); | |
| 4680 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4681 } | |
| 4682 tded = new TypeTuple(args); | |
| 4683 break; | |
| 4684 } | |
| 4685 case TOKreturn: | |
| 4686 /* Get the 'return type' for the function, | |
| 4687 * delegate, or pointer to function. | |
| 4688 */ | |
| 4689 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
|
4690 tded = ((TypeFunction *)targ)->next; |
| 159 | 4691 else if (targ->ty == Tdelegate) |
| 4692 tded = targ->next->next; | |
| 4693 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4694 tded = targ->next->next; | |
| 4695 else | |
| 4696 goto Lno; | |
| 4697 break; | |
| 4698 | |
| 4699 default: | |
| 4700 assert(0); | |
| 4701 } | |
| 4702 goto Lyes; | |
| 4703 } | |
| 4704 else if (id && tspec) | |
| 4705 { | |
| 4706 /* Evaluate to TRUE if targ matches tspec. | |
| 4707 * If TRUE, declare id as an alias for the specialized type. | |
| 4708 */ | |
| 4709 | |
| 4710 MATCH m; | |
| 4711 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4712 | |
| 4713 TemplateParameters parameters; | |
| 4714 parameters.setDim(1); | |
| 4715 parameters.data[0] = (void *)&tp; | |
| 4716 | |
| 4717 Objects dedtypes; | |
| 4718 dedtypes.setDim(1); | |
| 4719 dedtypes.data[0] = NULL; | |
| 4720 | |
| 4721 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4722 if (m == MATCHnomatch || | |
| 4723 (m != MATCHexact && tok == TOKequal)) | |
| 4724 goto Lno; | |
| 4725 else | |
| 4726 { | |
| 4727 assert(dedtypes.dim == 1); | |
| 4728 tded = (Type *)dedtypes.data[0]; | |
| 4729 if (!tded) | |
| 4730 tded = targ; | |
| 4731 goto Lyes; | |
| 4732 } | |
| 4733 } | |
| 4734 else if (id) | |
| 4735 { | |
| 4736 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4737 */ | |
| 4738 tded = targ; | |
| 4739 goto Lyes; | |
| 4740 } | |
| 4741 else if (tspec) | |
| 4742 { | |
| 4743 /* Evaluate to TRUE if targ matches tspec | |
| 4744 */ | |
| 4745 tspec = tspec->semantic(loc, sc); | |
| 4746 //printf("targ = %s\n", targ->toChars()); | |
| 4747 //printf("tspec = %s\n", tspec->toChars()); | |
| 4748 if (tok == TOKcolon) | |
| 4749 { if (targ->implicitConvTo(tspec)) | |
| 4750 goto Lyes; | |
| 4751 else | |
| 4752 goto Lno; | |
| 4753 } | |
| 4754 else /* == */ | |
| 4755 { if (targ->equals(tspec)) | |
| 4756 goto Lyes; | |
| 4757 else | |
| 4758 goto Lno; | |
| 4759 } | |
| 4760 } | |
| 4761 | |
| 4762 Lyes: | |
| 4763 if (id) | |
| 4764 { | |
| 4765 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4766 s->semantic(sc); | |
| 4767 sc->insert(s); | |
| 4768 if (sc->sd) | |
| 4769 s->addMember(sc, sc->sd, 1); | |
| 4770 } | |
| 4771 return new IntegerExp(1); | |
| 4772 | |
| 4773 Lno: | |
| 4774 return new IntegerExp(0); | |
| 4775 } | |
| 4776 | |
| 4777 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4778 { | |
| 4779 buf->writestring("is("); | |
| 4780 targ->toCBuffer(buf, id, hgs); | |
| 4781 if (tok2 != TOKreserved) | |
| 4782 { | |
| 4783 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4784 } | |
| 4785 else if (tspec) | |
| 4786 { | |
| 4787 if (tok == TOKcolon) | |
| 4788 buf->writestring(" : "); | |
| 4789 else | |
| 4790 buf->writestring(" == "); | |
| 4791 tspec->toCBuffer(buf, NULL, hgs); | |
| 4792 } | |
| 336 | 4793 #if DMDV2 |
| 159 | 4794 if (parameters) |
| 4795 { // First parameter is already output, so start with second | |
| 4796 for (int i = 1; i < parameters->dim; i++) | |
| 4797 { | |
| 4798 buf->writeByte(','); | |
| 4799 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4800 tp->toCBuffer(buf, hgs); | |
| 4801 } | |
| 4802 } | |
| 4803 #endif | |
| 4804 buf->writeByte(')'); | |
| 4805 } | |
| 4806 | |
| 4807 | |
| 4808 /************************************************************/ | |
| 4809 | |
| 4810 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4811 : Expression(loc, op, size) | |
| 4812 { | |
| 4813 this->e1 = e1; | |
| 4814 } | |
| 4815 | |
| 4816 Expression *UnaExp::syntaxCopy() | |
| 4817 { UnaExp *e; | |
| 4818 | |
| 4819 e = (UnaExp *)copy(); | |
| 4820 e->type = NULL; | |
| 4821 e->e1 = e->e1->syntaxCopy(); | |
| 4822 return e; | |
| 4823 } | |
| 4824 | |
| 4825 Expression *UnaExp::semantic(Scope *sc) | |
| 4826 { | |
| 4827 #if LOGSEMANTIC | |
| 4828 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4829 #endif | |
| 4830 e1 = e1->semantic(sc); | |
| 4831 // if (!e1->type) | |
| 4832 // error("%s has no value", e1->toChars()); | |
| 4833 return this; | |
| 4834 } | |
| 4835 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4836 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4837 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4838 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4839 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4840 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4841 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4842 |
| 159 | 4843 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4844 { | |
| 4845 buf->writestring(Token::toChars(op)); | |
| 4846 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4847 } | |
| 4848 | |
| 4849 /************************************************************/ | |
| 4850 | |
| 4851 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4852 : Expression(loc, op, size) | |
| 4853 { | |
| 4854 this->e1 = e1; | |
| 4855 this->e2 = e2; | |
| 4856 } | |
| 4857 | |
| 4858 Expression *BinExp::syntaxCopy() | |
| 4859 { BinExp *e; | |
| 4860 | |
| 4861 e = (BinExp *)copy(); | |
| 4862 e->type = NULL; | |
| 4863 e->e1 = e->e1->syntaxCopy(); | |
| 4864 e->e2 = e->e2->syntaxCopy(); | |
| 4865 return e; | |
| 4866 } | |
| 4867 | |
| 4868 Expression *BinExp::semantic(Scope *sc) | |
| 4869 { | |
| 4870 #if LOGSEMANTIC | |
| 4871 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4872 #endif | |
| 4873 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4874 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4875 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4876 { |
| 4877 error("%s has no value", e1->toChars()); | |
| 4878 e1->type = Type::terror; | |
| 4879 } | |
| 4880 e2 = e2->semantic(sc); | |
| 4881 if (!e2->type) | |
| 4882 { | |
| 4883 error("%s has no value", e2->toChars()); | |
| 4884 e2->type = Type::terror; | |
| 4885 } | |
| 4886 return this; | |
| 4887 } | |
| 4888 | |
| 4889 Expression *BinExp::semanticp(Scope *sc) | |
| 4890 { | |
| 4891 BinExp::semantic(sc); | |
| 4892 e1 = resolveProperties(sc, e1); | |
| 4893 e2 = resolveProperties(sc, e2); | |
| 4894 return this; | |
| 4895 } | |
| 4896 | |
| 4897 /*************************** | |
| 4898 * Common semantic routine for some xxxAssignExp's. | |
| 4899 */ | |
| 4900 | |
| 4901 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4902 { Expression *e; | |
| 4903 | |
| 4904 if (!type) | |
| 4905 { | |
| 4906 BinExp::semantic(sc); | |
| 4907 e2 = resolveProperties(sc, e2); | |
| 4908 | |
| 4909 e = op_overload(sc); | |
| 4910 if (e) | |
| 4911 return e; | |
| 4912 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4913 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
|
4914 { // 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
|
4915 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
|
4916 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
|
4917 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
|
4918 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4919 |
| 159 | 4920 e1 = e1->modifiableLvalue(sc, e1); |
| 4921 e1->checkScalar(); | |
| 4922 type = e1->type; | |
| 4923 if (type->toBasetype()->ty == Tbool) | |
| 4924 { | |
| 4925 error("operator not allowed on bool expression %s", toChars()); | |
| 4926 } | |
| 4927 typeCombine(sc); | |
| 4928 e1->checkArithmetic(); | |
| 4929 e2->checkArithmetic(); | |
| 4930 | |
| 4931 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4932 { error("cannot perform modulo complex arithmetic"); | |
| 4933 return new IntegerExp(0); | |
| 4934 } | |
| 4935 } | |
| 4936 return this; | |
| 4937 } | |
| 4938 | |
| 4939 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4940 { Expression *e; | |
| 4941 | |
| 4942 if (!type) | |
| 4943 { | |
| 4944 BinExp::semantic(sc); | |
| 4945 e2 = resolveProperties(sc, e2); | |
| 4946 | |
| 4947 e = op_overload(sc); | |
| 4948 if (e) | |
| 4949 return e; | |
| 4950 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4951 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
|
4952 { // 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
|
4953 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
|
4954 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
|
4955 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
|
4956 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4957 |
| 159 | 4958 e1 = e1->modifiableLvalue(sc, e1); |
| 4959 e1->checkScalar(); | |
| 4960 type = e1->type; | |
| 4961 if (type->toBasetype()->ty == Tbool) | |
| 4962 { | |
| 4963 e2 = e2->implicitCastTo(sc, type); | |
| 4964 } | |
| 4965 | |
| 4966 typeCombine(sc); | |
| 4967 e1->checkIntegral(); | |
| 4968 e2->checkIntegral(); | |
| 4969 } | |
| 4970 return this; | |
| 4971 } | |
| 4972 | |
| 4973 int BinExp::checkSideEffect(int flag) | |
| 4974 { | |
| 4975 if (op == TOKplusplus || | |
| 4976 op == TOKminusminus || | |
| 4977 op == TOKassign || | |
| 4978 op == TOKconstruct || | |
| 4979 op == TOKblit || | |
| 4980 op == TOKaddass || | |
| 4981 op == TOKminass || | |
| 4982 op == TOKcatass || | |
| 4983 op == TOKmulass || | |
| 4984 op == TOKdivass || | |
| 4985 op == TOKmodass || | |
| 4986 op == TOKshlass || | |
| 4987 op == TOKshrass || | |
| 4988 op == TOKushrass || | |
| 4989 op == TOKandass || | |
| 4990 op == TOKorass || | |
| 4991 op == TOKxorass || | |
| 4992 op == TOKin || | |
| 4993 op == TOKremove) | |
| 4994 return 1; | |
| 4995 return Expression::checkSideEffect(flag); | |
| 4996 } | |
| 4997 | |
| 4998 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4999 { | |
| 5000 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5001 buf->writeByte(' '); | |
| 5002 buf->writestring(Token::toChars(op)); | |
| 5003 buf->writeByte(' '); | |
| 5004 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5005 } | |
| 5006 | |
| 5007 int BinExp::isunsigned() | |
| 5008 { | |
| 5009 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5010 } | |
| 5011 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5012 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5013 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5014 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5015 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5016 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5017 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5018 |
| 159 | 5019 void BinExp::incompatibleTypes() |
| 5020 { | |
| 5021 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5022 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5023 e1->type->toChars(), e2->type->toChars()); | |
| 5024 } | |
| 5025 | |
| 5026 /************************************************************/ | |
| 5027 | |
| 5028 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5029 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5030 { | |
| 5031 } | |
| 5032 | |
| 5033 Expression *CompileExp::semantic(Scope *sc) | |
| 5034 { | |
| 5035 #if LOGSEMANTIC | |
| 5036 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5037 #endif | |
| 5038 UnaExp::semantic(sc); | |
| 5039 e1 = resolveProperties(sc, e1); | |
| 5040 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5041 if (e1->op != TOKstring) | |
| 5042 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5043 type = Type::terror; | |
| 5044 return this; | |
| 5045 } | |
| 5046 StringExp *se = (StringExp *)e1; | |
| 5047 se = se->toUTF8(sc); | |
| 5048 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5049 p.loc = loc; | |
| 5050 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5051 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5052 Expression *e = p.parseExpression(); |
| 5053 if (p.token.value != TOKeof) | |
| 5054 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5055 return e->semantic(sc); | |
| 5056 } | |
| 5057 | |
| 5058 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5059 { | |
| 5060 buf->writestring("mixin("); | |
| 5061 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5062 buf->writeByte(')'); | |
| 5063 } | |
| 5064 | |
| 5065 /************************************************************/ | |
| 5066 | |
| 5067 FileExp::FileExp(Loc loc, Expression *e) | |
| 5068 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5069 { | |
| 5070 } | |
| 5071 | |
| 5072 Expression *FileExp::semantic(Scope *sc) | |
| 5073 { char *name; | |
| 5074 StringExp *se; | |
| 5075 | |
| 5076 #if LOGSEMANTIC | |
| 5077 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5078 #endif | |
| 5079 UnaExp::semantic(sc); | |
| 5080 e1 = resolveProperties(sc, e1); | |
| 5081 e1 = e1->optimize(WANTvalue); | |
| 5082 if (e1->op != TOKstring) | |
| 5083 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5084 goto Lerror; | |
| 5085 } | |
| 5086 se = (StringExp *)e1; | |
| 5087 se = se->toUTF8(sc); | |
| 5088 name = (char *)se->string; | |
| 5089 | |
| 5090 if (!global.params.fileImppath) | |
| 5091 { error("need -Jpath switch to import text file %s", name); | |
| 5092 goto Lerror; | |
| 5093 } | |
| 5094 | |
| 5095 if (name != FileName::name(name)) | |
| 5096 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5097 goto Lerror; | |
| 5098 } | |
| 5099 | |
| 5100 name = FileName::searchPath(global.filePath, name, 0); | |
| 5101 if (!name) | |
| 5102 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5103 goto Lerror; | |
| 5104 } | |
| 5105 | |
| 5106 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5107 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5108 |
| 5109 { File f(name); | |
| 5110 if (f.read()) | |
| 5111 { error("cannot read file %s", f.toChars()); | |
| 5112 goto Lerror; | |
| 5113 } | |
| 5114 else | |
| 5115 { | |
| 5116 f.ref = 1; | |
| 5117 se = new StringExp(loc, f.buffer, f.len); | |
| 5118 } | |
| 5119 } | |
| 5120 Lret: | |
| 5121 return se->semantic(sc); | |
| 5122 | |
| 5123 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5124 se = new StringExp(loc, (char *)""); |
| 159 | 5125 goto Lret; |
| 5126 } | |
| 5127 | |
| 5128 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5129 { | |
| 5130 buf->writestring("import("); | |
| 5131 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5132 buf->writeByte(')'); | |
| 5133 } | |
| 5134 | |
| 5135 /************************************************************/ | |
| 5136 | |
| 5137 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5138 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5139 { | |
| 5140 this->msg = msg; | |
| 5141 } | |
| 5142 | |
| 5143 Expression *AssertExp::syntaxCopy() | |
| 5144 { | |
| 5145 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5146 msg ? msg->syntaxCopy() : NULL); | |
| 5147 return ae; | |
| 5148 } | |
| 5149 | |
| 5150 Expression *AssertExp::semantic(Scope *sc) | |
| 5151 { | |
| 5152 #if LOGSEMANTIC | |
| 5153 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5154 #endif | |
| 5155 UnaExp::semantic(sc); | |
| 5156 e1 = resolveProperties(sc, e1); | |
| 5157 // BUG: see if we can do compile time elimination of the Assert | |
| 5158 e1 = e1->optimize(WANTvalue); | |
| 5159 e1 = e1->checkToBoolean(); | |
| 5160 if (msg) | |
| 5161 { | |
| 5162 msg = msg->semantic(sc); | |
| 5163 msg = resolveProperties(sc, msg); | |
| 5164 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5165 msg = msg->optimize(WANTvalue); | |
| 5166 } | |
| 5167 if (e1->isBool(FALSE)) | |
| 5168 { | |
| 5169 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5170 fd->hasReturnExp |= 4; | |
| 5171 | |
| 5172 if (!global.params.useAssert) | |
| 5173 { Expression *e = new HaltExp(loc); | |
| 5174 e = e->semantic(sc); | |
| 5175 return e; | |
| 5176 } | |
| 5177 } | |
| 5178 type = Type::tvoid; | |
| 5179 return this; | |
| 5180 } | |
| 5181 | |
| 5182 int AssertExp::checkSideEffect(int flag) | |
| 5183 { | |
| 5184 return 1; | |
| 5185 } | |
| 5186 | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
5187 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5188 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5189 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5190 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5191 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5192 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5193 |
| 159 | 5194 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5195 { | |
| 5196 buf->writestring("assert("); | |
| 5197 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5198 if (msg) | |
| 5199 { | |
| 5200 buf->writeByte(','); | |
| 5201 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5202 } | |
| 5203 buf->writeByte(')'); | |
| 5204 } | |
| 5205 | |
| 5206 /************************************************************/ | |
| 5207 | |
| 5208 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5209 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5210 { | |
| 5211 this->ident = ident; | |
| 5212 } | |
| 5213 | |
| 5214 Expression *DotIdExp::semantic(Scope *sc) | |
| 5215 { Expression *e; | |
| 5216 Expression *eleft; | |
| 5217 Expression *eright; | |
| 5218 | |
| 5219 #if LOGSEMANTIC | |
| 5220 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5221 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5222 #endif | |
| 5223 | |
| 5224 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5225 | |
| 5226 #if 0 | |
| 5227 /* Don't do semantic analysis if we'll be converting | |
| 5228 * it to a string. | |
| 5229 */ | |
| 5230 if (ident == Id::stringof) | |
| 5231 { char *s = e1->toChars(); | |
| 5232 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5233 e = e->semantic(sc); | |
| 5234 return e; | |
| 5235 } | |
| 5236 #endif | |
| 5237 | |
| 5238 /* Special case: rewrite this.id and super.id | |
| 5239 * to be classtype.id and baseclasstype.id | |
| 5240 * if we have no this pointer. | |
| 5241 */ | |
| 5242 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5243 { ClassDeclaration *cd; | |
| 5244 StructDeclaration *sd; | |
| 5245 AggregateDeclaration *ad; | |
| 5246 | |
| 5247 ad = sc->getStructClassScope(); | |
| 5248 if (ad) | |
| 5249 { | |
| 5250 cd = ad->isClassDeclaration(); | |
| 5251 if (cd) | |
| 5252 { | |
| 5253 if (e1->op == TOKthis) | |
| 5254 { | |
| 5255 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5256 return e->semantic(sc); | |
| 5257 } | |
| 5258 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5259 { | |
| 5260 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5261 return e->semantic(sc); | |
| 5262 } | |
| 5263 } | |
| 5264 else | |
| 5265 { | |
| 5266 sd = ad->isStructDeclaration(); | |
| 5267 if (sd) | |
| 5268 { | |
| 5269 if (e1->op == TOKthis) | |
| 5270 { | |
| 5271 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5272 return e->semantic(sc); | |
| 5273 } | |
| 5274 } | |
| 5275 } | |
| 5276 } | |
| 5277 } | |
| 5278 | |
| 5279 UnaExp::semantic(sc); | |
| 5280 | |
| 5281 if (e1->op == TOKdotexp) | |
| 5282 { | |
| 5283 DotExp *de = (DotExp *)e1; | |
| 5284 eleft = de->e1; | |
| 5285 eright = de->e2; | |
| 5286 } | |
| 5287 else | |
| 5288 { | |
| 5289 e1 = resolveProperties(sc, e1); | |
| 5290 eleft = NULL; | |
| 5291 eright = e1; | |
| 5292 } | |
|
510
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parents:
486
diff
changeset
|
5293 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5294 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
|
5295 { /* '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
|
5296 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5297 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
|
5298 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
|
5299 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
|
5300 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
|
5301 { 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
|
5302 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
|
5303 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
|
5304 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
|
5305 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5306 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
|
5307 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
|
5308 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
|
5309 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5310 #endif |
| 159 | 5311 |
| 5312 if (e1->op == TOKtuple && ident == Id::length) | |
| 5313 { | |
| 5314 TupleExp *te = (TupleExp *)e1; | |
| 5315 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5316 return e; | |
| 5317 } | |
| 5318 | |
| 5319 if (eright->op == TOKimport) // also used for template alias's | |
| 5320 { | |
| 5321 ScopeExp *ie = (ScopeExp *)eright; | |
| 5322 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5323 /* 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
|
5324 * 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
|
5325 * 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
|
5326 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5327 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
|
5328 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5329 if (s) |
| 5330 { | |
| 5331 s = s->toAlias(); | |
| 5332 checkDeprecated(sc, s); | |
| 5333 | |
| 5334 EnumMember *em = s->isEnumMember(); | |
| 5335 if (em) | |
| 5336 { | |
| 5337 e = em->value; | |
| 5338 e = e->semantic(sc); | |
| 5339 return e; | |
| 5340 } | |
| 5341 | |
| 5342 VarDeclaration *v = s->isVarDeclaration(); | |
| 5343 if (v) | |
| 5344 { | |
| 5345 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5346 if (v->inuse) | |
| 5347 { | |
| 5348 error("circular reference to '%s'", v->toChars()); | |
| 5349 type = Type::tint32; | |
| 5350 return this; | |
| 5351 } | |
| 5352 type = v->type; | |
| 5353 if (v->isConst()) | |
| 5354 { | |
| 5355 if (v->init) | |
| 5356 { | |
| 5357 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5358 if (ei) | |
| 5359 { | |
| 5360 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5361 //ei->exp = ei->exp->semantic(sc); | |
| 5362 if (ei->exp->type == type) | |
| 5363 { | |
| 5364 e = ei->exp->copy(); // make copy so we can change loc | |
| 5365 e->loc = loc; | |
| 5366 return e; | |
| 5367 } | |
| 5368 } | |
| 5369 } | |
| 5370 else if (type->isscalar()) | |
| 5371 { | |
| 5372 e = type->defaultInit(); | |
| 5373 e->loc = loc; | |
| 5374 return e; | |
| 5375 } | |
| 5376 } | |
| 5377 if (v->needThis()) | |
| 5378 { | |
| 5379 if (!eleft) | |
| 5380 eleft = new ThisExp(loc); | |
| 5381 e = new DotVarExp(loc, eleft, v); | |
| 5382 e = e->semantic(sc); | |
| 5383 } | |
| 5384 else | |
| 5385 { | |
| 5386 e = new VarExp(loc, v); | |
| 5387 if (eleft) | |
| 5388 { e = new CommaExp(loc, eleft, e); | |
| 5389 e->type = v->type; | |
| 5390 } | |
| 5391 } | |
| 5392 return e->deref(); | |
| 5393 } | |
| 5394 | |
| 5395 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5396 if (f) | |
| 5397 { | |
| 5398 //printf("it's a function\n"); | |
| 5399 if (f->needThis()) | |
| 5400 { | |
| 5401 if (!eleft) | |
| 5402 eleft = new ThisExp(loc); | |
| 5403 e = new DotVarExp(loc, eleft, f); | |
| 5404 e = e->semantic(sc); | |
| 5405 } | |
| 5406 else | |
| 5407 { | |
| 5408 e = new VarExp(loc, f); | |
| 5409 if (eleft) | |
| 5410 { e = new CommaExp(loc, eleft, e); | |
| 5411 e->type = f->type; | |
| 5412 } | |
| 5413 } | |
| 5414 return e; | |
| 5415 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5416 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5417 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5418 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5419 { //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
|
5420 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5421 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5422 #endif |
| 159 | 5423 |
| 5424 Type *t = s->getType(); | |
| 5425 if (t) | |
| 5426 { | |
| 5427 return new TypeExp(loc, t); | |
| 5428 } | |
| 5429 | |
| 336 | 5430 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5431 if (tup) | |
| 5432 { | |
| 5433 if (eleft) | |
| 5434 error("cannot have e.tuple"); | |
| 5435 e = new TupleExp(loc, tup); | |
| 5436 e = e->semantic(sc); | |
| 5437 return e; | |
| 5438 } | |
| 5439 | |
| 159 | 5440 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5441 if (sds) | |
| 5442 { | |
| 5443 //printf("it's a ScopeDsymbol\n"); | |
| 5444 e = new ScopeExp(loc, sds); | |
| 5445 e = e->semantic(sc); | |
| 5446 if (eleft) | |
| 5447 e = new DotExp(loc, eleft, e); | |
| 5448 return e; | |
| 5449 } | |
| 5450 | |
| 5451 Import *imp = s->isImport(); | |
| 5452 if (imp) | |
| 5453 { | |
| 5454 ScopeExp *ie; | |
| 5455 | |
| 5456 ie = new ScopeExp(loc, imp->pkg); | |
| 5457 return ie->semantic(sc); | |
| 5458 } | |
| 5459 | |
| 5460 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5461 #ifdef DEBUG | |
| 5462 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5463 #endif | |
| 5464 assert(0); | |
| 5465 } | |
| 5466 else if (ident == Id::stringof) | |
| 5467 { char *s = ie->toChars(); | |
| 5468 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5469 e = e->semantic(sc); | |
| 5470 return e; | |
| 5471 } | |
| 5472 error("undefined identifier %s", toChars()); | |
| 5473 type = Type::tvoid; | |
| 5474 return this; | |
| 5475 } | |
| 5476 else if (e1->type->ty == Tpointer && | |
| 5477 ident != Id::init && ident != Id::__sizeof && | |
| 5478 ident != Id::alignof && ident != Id::offsetof && | |
| 5479 ident != Id::mangleof && ident != Id::stringof) | |
| 5480 { | |
| 5481 e = new PtrExp(loc, e1); | |
|
510
6aee82889553
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parents:
486
diff
changeset
|
5482 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5483 return e->type->dotExp(sc, e, ident); |
| 5484 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5485 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5486 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5487 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5488 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5489 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5490 * e1.ident |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5491 * as: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5492 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5493 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5494 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5495 global.gag++; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5496 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5497 global.gag--; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5498 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
|
5499 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5501 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
|
5502 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5503 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5504 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 #endif |
| 159 | 5508 else |
| 5509 { | |
| 5510 e = e1->type->dotExp(sc, e1, ident); | |
| 5511 e = e->semantic(sc); | |
| 5512 return e; | |
| 5513 } | |
| 5514 } | |
| 5515 | |
| 5516 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5517 { | |
| 5518 //printf("DotIdExp::toCBuffer()\n"); | |
| 5519 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5520 buf->writeByte('.'); | |
| 5521 buf->writestring(ident->toChars()); | |
| 5522 } | |
| 5523 | |
| 5524 /********************** DotTemplateExp ***********************************/ | |
| 5525 | |
| 5526 // Mainly just a placeholder | |
| 5527 | |
| 5528 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5529 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5530 | |
| 5531 { | |
| 5532 this->td = td; | |
| 5533 } | |
| 5534 | |
| 5535 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5536 { | |
| 5537 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5538 buf->writeByte('.'); | |
| 5539 buf->writestring(td->toChars()); | |
| 5540 } | |
| 5541 | |
| 5542 | |
| 5543 /************************************************************/ | |
| 5544 | |
| 5545 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5546 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5547 { | |
| 5548 //printf("DotVarExp()\n"); | |
| 5549 this->var = v; | |
| 5550 } | |
| 5551 | |
| 5552 Expression *DotVarExp::semantic(Scope *sc) | |
| 5553 { | |
| 5554 #if LOGSEMANTIC | |
| 5555 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5556 #endif | |
| 5557 if (!type) | |
| 5558 { | |
| 5559 var = var->toAlias()->isDeclaration(); | |
| 5560 | |
| 5561 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5562 if (tup) | |
| 5563 { /* Replace: | |
| 5564 * e1.tuple(a, b, c) | |
| 5565 * with: | |
| 5566 * tuple(e1.a, e1.b, e1.c) | |
| 5567 */ | |
| 5568 Expressions *exps = new Expressions; | |
| 5569 | |
| 5570 exps->reserve(tup->objects->dim); | |
| 5571 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5572 { Object *o = (Object *)tup->objects->data[i]; | |
| 5573 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5574 { | |
| 5575 error("%s is not an expression", o->toChars()); | |
| 5576 } | |
| 5577 else | |
| 5578 { | |
| 5579 Expression *e = (Expression *)o; | |
| 5580 if (e->op != TOKdsymbol) | |
| 5581 error("%s is not a member", e->toChars()); | |
| 5582 else | |
| 5583 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5584 | |
| 5585 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5586 exps->push(e); | |
| 5587 } | |
| 5588 } | |
| 5589 } | |
| 5590 Expression *e = new TupleExp(loc, exps); | |
| 5591 e = e->semantic(sc); | |
| 5592 return e; | |
| 5593 } | |
| 5594 | |
| 5595 e1 = e1->semantic(sc); | |
| 5596 type = var->type; | |
| 5597 if (!type && global.errors) | |
| 5598 { // var is goofed up, just return 0 | |
| 5599 return new IntegerExp(0); | |
| 5600 } | |
| 5601 assert(type); | |
| 5602 | |
| 5603 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5604 { | |
| 5605 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5606 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5607 if (!sc->noaccesscheck) | |
| 5608 accessCheck(loc, sc, e1, var); | |
| 5609 | |
| 5610 VarDeclaration *v = var->isVarDeclaration(); | |
| 5611 if (v && v->isConst()) | |
| 5612 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5613 if (ei) | |
| 5614 { Expression *e = ei->exp->copy(); | |
| 5615 e = e->semantic(sc); | |
| 5616 return e; | |
| 159 | 5617 } |
| 5618 } | |
| 5619 } | |
| 5620 } | |
| 5621 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5622 return this; | |
| 5623 } | |
| 5624 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5625 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5626 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5627 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5628 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5629 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5630 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5631 |
| 159 | 5632 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5633 { | |
| 5634 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5635 return this; | |
| 5636 } | |
| 5637 | |
| 5638 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5639 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5640 #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
|
5641 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
|
5642 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
|
5643 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
|
5644 #endif |
| 159 | 5645 |
| 5646 if (var->isCtorinit()) | |
| 5647 { // It's only modifiable if inside the right constructor | |
| 5648 Dsymbol *s = sc->func; | |
| 5649 while (1) | |
| 5650 { | |
| 5651 FuncDeclaration *fd = NULL; | |
| 5652 if (s) | |
| 5653 fd = s->isFuncDeclaration(); | |
| 5654 if (fd && | |
| 5655 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5656 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5657 fd->toParent() == var->toParent() && | |
| 5658 e1->op == TOKthis | |
| 5659 ) | |
| 5660 { | |
| 5661 VarDeclaration *v = var->isVarDeclaration(); | |
| 5662 assert(v); | |
| 5663 v->ctorinit = 1; | |
| 5664 //printf("setting ctorinit\n"); | |
| 5665 } | |
| 5666 else | |
| 5667 { | |
| 5668 if (s) | |
| 5669 { s = s->toParent2(); | |
| 5670 continue; | |
| 5671 } | |
| 5672 else | |
| 5673 { | |
| 5674 const char *p = var->isStatic() ? "static " : ""; | |
| 5675 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5676 p, var->toChars(), p); | |
| 5677 } | |
| 5678 } | |
| 5679 break; | |
| 5680 } | |
| 5681 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5682 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5683 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5684 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5685 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5687 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5688 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 #endif |
| 159 | 5696 return this; |
| 5697 } | |
| 5698 | |
| 5699 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5700 { | |
| 5701 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5702 buf->writeByte('.'); | |
| 5703 buf->writestring(var->toChars()); | |
| 5704 } | |
| 5705 | |
| 5706 /************************************************************/ | |
| 5707 | |
| 5708 /* Things like: | |
| 5709 * foo.bar!(args) | |
| 5710 */ | |
| 5711 | |
| 5712 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5713 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5714 { | |
| 5715 //printf("DotTemplateInstanceExp()\n"); | |
| 5716 this->ti = ti; | |
| 5717 } | |
| 5718 | |
| 5719 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5720 { | |
| 5721 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5722 e1->syntaxCopy(), | |
| 5723 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5724 return de; | |
| 5725 } | |
| 5726 | |
| 5727 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5728 { Dsymbol *s; | |
| 5729 Dsymbol *s2; | |
| 5730 TemplateDeclaration *td; | |
| 5731 Expression *e; | |
| 5732 Identifier *id; | |
| 5733 Type *t1; | |
| 5734 Expression *eleft = NULL; | |
| 5735 Expression *eright; | |
| 5736 | |
| 5737 #if LOGSEMANTIC | |
| 5738 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5739 #endif | |
| 5740 //e1->print(); | |
| 5741 //print(); | |
| 5742 e1 = e1->semantic(sc); | |
| 5743 t1 = e1->type; | |
| 5744 if (t1) | |
| 5745 t1 = t1->toBasetype(); | |
| 5746 //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
|
5747 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5748 /* 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
|
5749 * 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
|
5750 * 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
|
5751 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5752 |
| 159 | 5753 if (e1->op == TOKdotexp) |
| 5754 { DotExp *de = (DotExp *)e1; | |
| 5755 eleft = de->e1; | |
| 5756 eright = de->e2; | |
| 5757 } | |
| 5758 else | |
| 5759 { eleft = NULL; | |
| 5760 eright = e1; | |
| 5761 } | |
| 5762 if (eright->op == TOKimport) | |
| 5763 { | |
| 5764 s = ((ScopeExp *)eright)->sds; | |
| 5765 } | |
| 5766 else if (e1->op == TOKtype) | |
| 5767 { | |
| 5768 s = t1->isClassHandle(); | |
| 5769 if (!s) | |
| 5770 { if (t1->ty == Tstruct) | |
| 5771 s = ((TypeStruct *)t1)->sym; | |
| 5772 else | |
| 5773 goto L1; | |
| 5774 } | |
| 5775 } | |
| 5776 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5777 { | |
| 5778 s = t1->toDsymbol(sc); | |
| 5779 eleft = e1; | |
| 5780 } | |
| 5781 else if (t1 && t1->ty == Tpointer) | |
| 5782 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5783 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5784 if (t1->ty != Tstruct) |
| 5785 goto L1; | |
| 5786 s = t1->toDsymbol(sc); | |
| 5787 eleft = e1; | |
| 5788 } | |
| 5789 else | |
| 5790 { | |
| 5791 L1: | |
| 5792 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5793 goto Lerr; | |
| 5794 } | |
| 5795 | |
| 5796 assert(s); | |
| 5797 id = ti->name; | |
| 5798 s2 = s->search(loc, id, 0); | |
| 5799 if (!s2) | |
| 5800 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5801 goto Lerr; | |
| 5802 } | |
| 5803 s = s2; | |
| 5804 s->semantic(sc); | |
| 5805 s = s->toAlias(); | |
| 5806 td = s->isTemplateDeclaration(); | |
| 5807 if (!td) | |
| 5808 { | |
| 5809 error("%s is not a template", id->toChars()); | |
| 5810 goto Lerr; | |
| 5811 } | |
| 5812 if (global.errors) | |
| 5813 goto Lerr; | |
| 5814 | |
| 5815 ti->tempdecl = td; | |
| 5816 | |
| 5817 if (eleft) | |
| 5818 { Declaration *v; | |
| 5819 | |
| 5820 ti->semantic(sc); | |
| 5821 s = ti->inst->toAlias(); | |
| 5822 v = s->isDeclaration(); | |
| 5823 if (v) | |
| 5824 { e = new DotVarExp(loc, eleft, v); | |
| 5825 e = e->semantic(sc); | |
| 5826 return e; | |
| 5827 } | |
| 5828 } | |
| 5829 | |
| 5830 e = new ScopeExp(loc, ti); | |
| 5831 if (eleft) | |
| 5832 { | |
| 5833 e = new DotExp(loc, eleft, e); | |
| 5834 } | |
| 5835 e = e->semantic(sc); | |
| 5836 return e; | |
| 5837 | |
| 5838 Lerr: | |
| 336 | 5839 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5840 } |
| 5841 | |
| 5842 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5843 { | |
| 5844 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5845 buf->writeByte('.'); | |
| 5846 ti->toCBuffer(buf, hgs); | |
| 5847 } | |
| 5848 | |
| 5849 /************************************************************/ | |
| 5850 | |
| 5851 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5852 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5853 { | |
| 5854 this->func = f; | |
| 5855 } | |
| 5856 | |
| 5857 Expression *DelegateExp::semantic(Scope *sc) | |
| 5858 { | |
| 5859 #if LOGSEMANTIC | |
| 5860 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5861 #endif | |
| 5862 if (!type) | |
| 5863 { | |
| 5864 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5865 // 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
|
5866 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5867 type = type->semantic(loc, sc); |
| 5868 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5869 if (func->needThis()) |
| 5870 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5871 } |
| 5872 return this; | |
| 5873 } | |
| 5874 | |
| 5875 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5876 { | |
| 5877 buf->writeByte('&'); | |
| 5878 if (!func->isNested()) | |
| 5879 { | |
| 5880 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5881 buf->writeByte('.'); | |
| 5882 } | |
| 5883 buf->writestring(func->toChars()); | |
| 5884 } | |
| 5885 | |
| 5886 /************************************************************/ | |
| 5887 | |
| 5888 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5889 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5890 { | |
| 5891 this->sym = s; | |
| 5892 this->type = s->getType(); | |
| 5893 } | |
| 5894 | |
| 5895 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5896 { | |
| 5897 #if LOGSEMANTIC | |
| 5898 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5899 #endif | |
| 5900 UnaExp::semantic(sc); | |
| 5901 return this; | |
| 5902 } | |
| 5903 | |
| 5904 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5905 { | |
| 5906 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5907 buf->writeByte('.'); | |
| 5908 buf->writestring(sym->toChars()); | |
| 5909 } | |
| 5910 | |
| 5911 /************************************************************/ | |
| 5912 | |
| 5913 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5914 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5915 { | |
| 5916 this->arguments = exps; | |
| 5917 } | |
| 5918 | |
| 5919 CallExp::CallExp(Loc loc, Expression *e) | |
| 5920 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5921 { | |
| 5922 this->arguments = NULL; | |
| 5923 } | |
| 5924 | |
| 5925 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5926 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5927 { | |
| 5928 Expressions *arguments = new Expressions(); | |
| 5929 arguments->setDim(1); | |
| 5930 arguments->data[0] = (void *)earg1; | |
| 5931 | |
| 5932 this->arguments = arguments; | |
| 5933 } | |
| 5934 | |
| 5935 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5936 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5937 { | |
| 5938 Expressions *arguments = new Expressions(); | |
| 5939 arguments->setDim(2); | |
| 5940 arguments->data[0] = (void *)earg1; | |
| 5941 arguments->data[1] = (void *)earg2; | |
| 5942 | |
| 5943 this->arguments = arguments; | |
| 5944 } | |
| 5945 | |
| 5946 Expression *CallExp::syntaxCopy() | |
| 5947 { | |
| 5948 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5949 } | |
| 5950 | |
| 5951 | |
| 5952 Expression *CallExp::semantic(Scope *sc) | |
| 5953 { | |
| 5954 TypeFunction *tf; | |
| 5955 FuncDeclaration *f; | |
| 5956 int i; | |
| 5957 Type *t1; | |
| 5958 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
|
5959 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5960 |
| 5961 #if LOGSEMANTIC | |
| 5962 printf("CallExp::semantic() %s\n", toChars()); | |
| 5963 #endif | |
| 5964 if (type) | |
| 5965 return this; // semantic() already run | |
| 5966 #if 0 | |
| 5967 if (arguments && arguments->dim) | |
| 5968 { | |
| 5969 Expression *earg = (Expression *)arguments->data[0]; | |
| 5970 earg->print(); | |
| 5971 if (earg->type) earg->type->print(); | |
| 5972 } | |
| 5973 #endif | |
| 5974 | |
| 5975 if (e1->op == TOKdelegate) | |
| 5976 { DelegateExp *de = (DelegateExp *)e1; | |
| 5977 | |
| 5978 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5979 return semantic(sc); | |
| 5980 } | |
| 5981 | |
| 5982 /* Transform: | |
| 5983 * array.id(args) into id(array,args) | |
| 5984 * aa.remove(arg) into delete aa[arg] | |
| 5985 */ | |
| 5986 if (e1->op == TOKdot) | |
| 5987 { | |
| 5988 // BUG: we should handle array.a.b.c.e(args) too | |
| 5989 | |
| 5990 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5991 dotid->e1 = dotid->e1->semantic(sc); | |
| 5992 assert(dotid->e1); | |
| 5993 if (dotid->e1->type) | |
| 5994 { | |
| 5995 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5996 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5997 { | |
| 5998 if (!arguments || arguments->dim != 1) | |
| 5999 { error("expected key as argument to aa.remove()"); | |
| 6000 goto Lagain; | |
| 6001 } | |
| 6002 Expression *key = (Expression *)arguments->data[0]; | |
| 6003 key = key->semantic(sc); | |
| 6004 key = resolveProperties(sc, key); | |
| 6005 key->rvalue(); | |
| 6006 | |
| 6007 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6008 key = key->implicitCastTo(sc, taa->index); | |
| 6009 key = key->implicitCastTo(sc, taa->key); | |
| 6010 | |
| 6011 return new RemoveExp(loc, dotid->e1, key); | |
| 6012 } | |
| 6013 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6014 { | |
| 6015 if (!arguments) | |
| 6016 arguments = new Expressions(); | |
| 6017 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6018 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6019 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
|
6020 #else |
| 159 | 6021 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
|
6022 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6023 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6024 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6025 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6026 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6027 #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
|
6028 /* 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
|
6029 * 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
|
6030 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6031 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
|
6032 { 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
|
6033 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
|
6034 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
|
6035 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6036 /* 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
|
6037 * 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
|
6038 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6039 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
|
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 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
|
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 /* 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
|
6047 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6048 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
|
6049 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
|
6050 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
|
6051 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6052 } |
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6055 /* 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
|
6056 * 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
|
6057 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6058 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
|
6059 { 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
|
6060 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
|
6061 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
|
6062 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6063 /* 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
|
6064 * 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
|
6065 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6066 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
|
6067 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
|
6068 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
|
6069 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
|
6070 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
|
6071 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
|
6072 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
|
6073 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6074 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
|
6075 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
|
6076 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
|
6077 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6078 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6079 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
|
6080 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6081 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6082 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6083 |
| 159 | 6084 istemp = 0; |
| 6085 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
|
6086 //printf("Lagain: %s\n", toChars()); |
| 159 | 6087 f = NULL; |
| 6088 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6089 { | |
| 6090 // semantic() run later for these | |
| 6091 } | |
| 6092 else | |
| 6093 { | |
| 6094 UnaExp::semantic(sc); | |
| 6095 | |
| 6096 /* Look for e1 being a lazy parameter | |
| 6097 */ | |
| 6098 if (e1->op == TOKvar) | |
| 6099 { VarExp *ve = (VarExp *)e1; | |
| 6100 | |
| 6101 if (ve->var->storage_class & STClazy) | |
| 6102 { | |
| 6103 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6104 TypeDelegate *t = new TypeDelegate(tf); | |
| 6105 ve->type = t->semantic(loc, sc); | |
| 6106 } | |
| 6107 } | |
| 6108 | |
| 6109 if (e1->op == TOKimport) | |
| 6110 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6111 ScopeExp *se = (ScopeExp *)e1; | |
| 6112 e1 = new DsymbolExp(loc, se->sds); | |
| 6113 e1 = e1->semantic(sc); | |
| 6114 } | |
| 6115 #if 1 // patch for #540 by Oskar Linde | |
| 6116 else if (e1->op == TOKdotexp) | |
| 6117 { | |
| 6118 DotExp *de = (DotExp *) e1; | |
| 6119 | |
| 6120 if (de->e2->op == TOKimport) | |
| 6121 { // This should *really* be moved to ScopeExp::semantic() | |
| 6122 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6123 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6124 de->e2 = de->e2->semantic(sc); | |
| 6125 } | |
| 6126 | |
| 6127 if (de->e2->op == TOKtemplate) | |
| 6128 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6129 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6130 } | |
| 6131 } | |
| 6132 #endif | |
| 6133 } | |
| 6134 | |
| 6135 if (e1->op == TOKcomma) | |
| 6136 { | |
| 6137 CommaExp *ce = (CommaExp *)e1; | |
| 6138 | |
| 6139 e1 = ce->e2; | |
| 6140 e1->type = ce->type; | |
| 6141 ce->e2 = this; | |
| 6142 ce->type = NULL; | |
| 6143 return ce->semantic(sc); | |
| 6144 } | |
| 6145 | |
| 6146 t1 = NULL; | |
| 6147 if (e1->type) | |
| 6148 t1 = e1->type->toBasetype(); | |
| 6149 | |
| 6150 // Check for call operator overload | |
| 6151 if (t1) | |
| 6152 { AggregateDeclaration *ad; | |
| 6153 | |
| 6154 if (t1->ty == Tstruct) | |
| 6155 { | |
| 6156 ad = ((TypeStruct *)t1)->sym; | |
| 6157 if (search_function(ad, Id::call)) | |
| 6158 goto L1; // overload of opCall, therefore it's a call | |
| 6159 | |
| 6160 if (e1->op != TOKtype) | |
| 6161 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6162 /* It's a struct literal | |
| 6163 */ | |
| 6164 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6165 e = e->semantic(sc); | |
| 6166 e->type = e1->type; // in case e1->type was a typedef | |
| 6167 return e; | |
| 6168 } | |
| 6169 else if (t1->ty == Tclass) | |
| 6170 { | |
| 6171 ad = ((TypeClass *)t1)->sym; | |
| 6172 goto L1; | |
| 6173 L1: | |
| 6174 // Rewrite as e1.call(arguments) | |
| 6175 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6176 e = new CallExp(loc, e, arguments); | |
| 6177 e = e->semantic(sc); | |
| 6178 return e; | |
| 6179 } | |
| 6180 } | |
| 6181 | |
| 6182 arrayExpressionSemantic(arguments, sc); | |
| 6183 preFunctionArguments(loc, sc, arguments); | |
| 6184 | |
| 6185 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6186 e1->op == TOKdottd) | |
| 6187 { | |
| 6188 DotVarExp *dve; | |
| 6189 DotTemplateExp *dte; | |
| 6190 AggregateDeclaration *ad; | |
| 6191 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6192 |
| 159 | 6193 if (e1->op == TOKdotvar) |
| 6194 { // Do overload resolution | |
| 6195 dve = (DotVarExp *)(e1); | |
| 6196 | |
| 6197 f = dve->var->isFuncDeclaration(); | |
| 6198 assert(f); | |
| 6199 f = f->overloadResolve(loc, arguments); | |
| 6200 | |
| 6201 ad = f->toParent()->isAggregateDeclaration(); | |
| 6202 } | |
| 6203 else | |
| 6204 { dte = (DotTemplateExp *)(e1); | |
| 6205 TemplateDeclaration *td = dte->td; | |
| 6206 assert(td); | |
| 6207 if (!arguments) | |
| 6208 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6209 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6210 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6211 if (!f) |
| 6212 { type = Type::terror; | |
| 6213 return this; | |
| 6214 } | |
| 6215 ad = td->toParent()->isAggregateDeclaration(); | |
| 6216 } | |
| 336 | 6217 if (f->needThis()) |
| 6218 { | |
| 6219 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6220 } | |
| 6221 | |
| 6222 /* Cannot call public functions from inside invariant | |
| 6223 * (because then the invariant would have infinite recursion) | |
| 159 | 6224 */ |
| 336 | 6225 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6226 ue->e1->op == TOKthis && | |
| 6227 f->addPostInvariant() | |
| 159 | 6228 ) |
| 6229 { | |
| 336 | 6230 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6231 } |
| 6232 | |
| 6233 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6234 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6235 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6236 #endif |
| 159 | 6237 accessCheck(loc, sc, ue->e1, f); |
| 6238 if (!f->needThis()) | |
| 6239 { | |
| 6240 VarExp *ve = new VarExp(loc, f); | |
| 6241 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6242 e1->type = f->type; | |
| 6243 } | |
| 6244 else | |
| 6245 { | |
| 6246 if (e1->op == TOKdotvar) | |
| 6247 dve->var = f; | |
| 6248 else | |
| 6249 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6250 e1->type = f->type; | |
| 6251 | |
| 6252 // See if we need to adjust the 'this' pointer | |
| 6253 AggregateDeclaration *ad = f->isThis(); | |
| 6254 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6255 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6256 ue->e1->op != TOKsuper) | |
| 6257 { | |
| 6258 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6259 ue->e1 = ue->e1->semantic(sc); | |
| 6260 } | |
| 6261 } | |
| 6262 t1 = e1->type; | |
| 6263 } | |
| 6264 else if (e1->op == TOKsuper) | |
| 6265 { | |
| 6266 // Base class constructor call | |
| 6267 ClassDeclaration *cd = NULL; | |
| 6268 | |
| 6269 if (sc->func) | |
| 6270 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6271 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6272 { | |
| 6273 error("super class constructor call must be in a constructor"); | |
| 6274 type = Type::terror; | |
| 6275 return this; | |
| 6276 } | |
| 6277 else | |
| 6278 { | |
| 6279 f = cd->baseClass->ctor; | |
| 6280 if (!f) | |
| 6281 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6282 type = Type::terror; | |
| 6283 return this; | |
| 6284 } | |
| 6285 else | |
| 6286 { | |
| 336 | 6287 if (!sc->intypeof) |
| 6288 { | |
| 159 | 6289 #if 0 |
| 336 | 6290 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6291 error("reference to this before super()"); | |
| 159 | 6292 #endif |
| 336 | 6293 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6294 error("constructor calls not allowed in loops or after labels"); | |
| 6295 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6296 error("multiple constructor calls"); | |
| 6297 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6298 } | |
| 159 | 6299 |
| 6300 f = f->overloadResolve(loc, arguments); | |
| 6301 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6302 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6303 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6304 #endif |
| 159 | 6305 e1 = new DotVarExp(e1->loc, e1, f); |
| 6306 e1 = e1->semantic(sc); | |
| 6307 t1 = e1->type; | |
| 6308 } | |
| 6309 } | |
| 6310 } | |
| 6311 else if (e1->op == TOKthis) | |
| 6312 { | |
| 6313 // same class constructor call | |
| 6314 ClassDeclaration *cd = NULL; | |
| 6315 | |
| 6316 if (sc->func) | |
| 6317 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6318 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6319 { | |
| 6320 error("class constructor call must be in a constructor"); | |
| 6321 type = Type::terror; | |
| 6322 return this; | |
| 6323 } | |
| 6324 else | |
| 6325 { | |
| 336 | 6326 if (!sc->intypeof) |
| 6327 { | |
| 159 | 6328 #if 0 |
| 336 | 6329 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6330 error("reference to this before super()"); | |
| 159 | 6331 #endif |
| 336 | 6332 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6333 error("constructor calls not allowed in loops or after labels"); | |
| 6334 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6335 error("multiple constructor calls"); | |
| 6336 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6337 } | |
| 159 | 6338 |
| 6339 f = cd->ctor; | |
| 6340 f = f->overloadResolve(loc, arguments); | |
| 6341 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6342 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6343 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6344 #endif |
| 159 | 6345 e1 = new DotVarExp(e1->loc, e1, f); |
| 6346 e1 = e1->semantic(sc); | |
| 6347 t1 = e1->type; | |
| 6348 | |
| 6349 // BUG: this should really be done by checking the static | |
| 6350 // call graph | |
| 6351 if (f == sc->func) | |
| 6352 error("cyclic constructor call"); | |
| 6353 } | |
| 6354 } | |
| 6355 else if (!t1) | |
| 6356 { | |
| 6357 error("function expected before (), not '%s'", e1->toChars()); | |
| 6358 type = Type::terror; | |
| 6359 return this; | |
| 6360 } | |
| 6361 else if (t1->ty != Tfunction) | |
| 6362 { | |
| 6363 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
|
6364 { 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
|
6365 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
|
6366 tf = (TypeFunction *)(td->next); |
| 159 | 6367 goto Lcheckargs; |
| 6368 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6369 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6370 { Expression *e; |
| 6371 | |
| 6372 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
|
6373 t1 = ((TypePointer *)t1)->next; |
| 159 | 6374 e->type = t1; |
| 6375 e1 = e; | |
| 6376 } | |
| 6377 else if (e1->op == TOKtemplate) | |
| 6378 { | |
| 6379 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6380 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6381 if (!f) |
| 6382 { type = Type::terror; | |
| 6383 return this; | |
| 6384 } | |
| 6385 if (f->needThis() && hasThis(sc)) | |
| 6386 { | |
| 6387 // Supply an implicit 'this', as in | |
| 6388 // this.ident | |
| 6389 | |
| 6390 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6391 goto Lagain; | |
| 6392 } | |
| 6393 | |
| 6394 e1 = new VarExp(loc, f); | |
| 6395 goto Lagain; | |
| 6396 } | |
| 6397 else | |
| 6398 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6399 type = Type::terror; | |
| 6400 return this; | |
| 6401 } | |
| 6402 } | |
| 6403 else if (e1->op == TOKvar) | |
| 6404 { | |
| 6405 // Do overload resolution | |
| 6406 VarExp *ve = (VarExp *)e1; | |
| 6407 | |
| 6408 f = ve->var->isFuncDeclaration(); | |
| 6409 assert(f); | |
| 6410 | |
| 6411 // Look to see if f is really a function template | |
| 6412 if (0 && !istemp && f->parent) | |
| 6413 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6414 | |
| 6415 if (ti && | |
| 6416 (ti->name == f->ident || | |
| 6417 ti->toAlias()->ident == f->ident) | |
| 6418 && | |
| 6419 ti->tempdecl) | |
| 6420 { | |
| 6421 /* This is so that one can refer to the enclosing | |
| 6422 * template, even if it has the same name as a member | |
| 6423 * of the template, if it has a !(arguments) | |
| 6424 */ | |
| 6425 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6426 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6427 tempdecl = tempdecl->overroot; // then get the start | |
| 6428 e1 = new TemplateExp(loc, tempdecl); | |
| 6429 istemp = 1; | |
| 6430 goto Lagain; | |
| 6431 } | |
| 6432 } | |
| 6433 | |
| 6434 f = f->overloadResolve(loc, arguments); | |
| 6435 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6436 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6437 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6438 #endif |
| 159 | 6439 |
| 6440 if (f->needThis() && hasThis(sc)) | |
| 6441 { | |
| 6442 // Supply an implicit 'this', as in | |
| 6443 // this.ident | |
| 6444 | |
| 6445 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6446 goto Lagain; | |
| 6447 } | |
| 6448 | |
| 6449 accessCheck(loc, sc, NULL, f); | |
| 6450 | |
| 6451 ve->var = f; | |
| 6452 ve->type = f->type; | |
| 6453 t1 = f->type; | |
| 6454 } | |
| 6455 assert(t1->ty == Tfunction); | |
| 6456 tf = (TypeFunction *)(t1); | |
| 6457 | |
| 6458 Lcheckargs: | |
| 6459 assert(tf->ty == Tfunction); | |
| 6460 type = tf->next; | |
| 6461 | |
| 6462 if (!arguments) | |
| 6463 arguments = new Expressions(); | |
| 6464 functionArguments(loc, sc, tf, arguments); | |
| 6465 | |
| 6466 assert(type); | |
| 6467 | |
| 6468 if (f && f->tintro) | |
| 6469 { | |
| 6470 Type *t = type; | |
| 6471 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
|
6472 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
|
6473 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6474 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
|
6475 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6476 type = tf->next; |
| 159 | 6477 return castTo(sc, t); |
| 6478 } | |
| 6479 } | |
| 6480 | |
| 6481 return this; | |
| 6482 } | |
| 6483 | |
| 6484 int CallExp::checkSideEffect(int flag) | |
| 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 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 /* If 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
|
6494 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 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
|
6496 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 return 1; |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 /* 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
|
6503 * then this expression has no side effects. |
|
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)->ispure) |
|
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)->ispure) |
|
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 #endif |
| 159 | 6511 return 1; |
| 6512 } | |
| 6513 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6514 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 /* If 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
|
6521 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 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
|
6523 { Expression *e = (Expression *)arguments->data[i]; |
|
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 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 /* If 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
|
6530 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6533 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 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
|
6537 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 |
| 159 | 6555 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6556 { | |
| 6557 if (type->toBasetype()->ty == Tstruct) | |
| 6558 return this; | |
| 6559 else | |
| 6560 return Expression::toLvalue(sc, e); | |
| 6561 } | |
| 6562 | |
| 6563 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6564 { int i; | |
| 6565 | |
| 6566 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6567 buf->writeByte('('); | |
| 6568 argsToCBuffer(buf, arguments, hgs); | |
| 6569 buf->writeByte(')'); | |
| 6570 } | |
| 6571 | |
| 6572 | |
| 6573 /************************************************************/ | |
| 6574 | |
| 6575 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6576 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6577 { | |
| 6578 } | |
| 6579 | |
| 6580 Expression *AddrExp::semantic(Scope *sc) | |
| 6581 { | |
| 6582 #if LOGSEMANTIC | |
| 6583 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6584 #endif | |
| 6585 if (!type) | |
| 6586 { | |
| 6587 UnaExp::semantic(sc); | |
| 6588 e1 = e1->toLvalue(sc, NULL); | |
| 6589 if (!e1->type) | |
| 6590 { | |
| 6591 error("cannot take address of %s", e1->toChars()); | |
| 6592 type = Type::tint32; | |
| 6593 return this; | |
| 6594 } | |
| 6595 type = e1->type->pointerTo(); | |
| 6596 | |
| 6597 // See if this should really be a delegate | |
| 6598 if (e1->op == TOKdotvar) | |
| 6599 { | |
| 6600 DotVarExp *dve = (DotVarExp *)e1; | |
| 6601 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6602 | |
| 6603 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
|
6604 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6605 e = e->semantic(sc); |
| 6606 return e; | |
| 6607 } | |
| 6608 } | |
| 6609 else if (e1->op == TOKvar) | |
| 6610 { | |
| 6611 VarExp *dve = (VarExp *)e1; | |
| 6612 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6613 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6614 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6615 // 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
|
6616 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
|
6617 { |
|
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
|
6618 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
|
6619 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
|
6620 } |
|
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
|
6621 |
| 159 | 6622 if (f && f->isNested()) |
| 6623 { Expression *e; | |
| 6624 | |
| 6625 e = new DelegateExp(loc, e1, f); | |
| 6626 e = e->semantic(sc); | |
| 6627 return e; | |
| 6628 } | |
| 6629 } | |
| 6630 else if (e1->op == TOKarray) | |
| 6631 { | |
| 6632 if (e1->type->toBasetype()->ty == Tbit) | |
| 6633 error("cannot take address of bit in array"); | |
| 6634 } | |
| 6635 return optimize(WANTvalue); | |
| 6636 } | |
| 6637 return this; | |
| 6638 } | |
| 6639 | |
| 6640 /************************************************************/ | |
| 6641 | |
| 6642 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6643 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6644 { | |
| 6645 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
|
6646 type = ((TypePointer *)e->type)->next; |
| 159 | 6647 } |
| 6648 | |
| 6649 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6650 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6651 { | |
| 6652 type = t; | |
| 6653 } | |
| 6654 | |
| 6655 Expression *PtrExp::semantic(Scope *sc) | |
| 6656 { Type *tb; | |
| 6657 | |
| 6658 #if LOGSEMANTIC | |
| 6659 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6660 #endif | |
| 6661 UnaExp::semantic(sc); | |
| 6662 e1 = resolveProperties(sc, e1); | |
| 6663 if (type) | |
| 6664 return this; | |
| 6665 if (!e1->type) | |
| 6666 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6667 tb = e1->type->toBasetype(); | |
| 6668 switch (tb->ty) | |
| 6669 { | |
| 6670 case Tpointer: | |
| 6671 type = tb->next; | |
| 6672 if (type->isbit()) | |
| 6673 { Expression *e; | |
| 6674 | |
| 6675 // Rewrite *p as p[0] | |
| 6676 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6677 return e->semantic(sc); | |
| 6678 } | |
| 6679 break; | |
| 6680 | |
| 6681 case Tsarray: | |
| 6682 case Tarray: | |
| 6683 type = tb->next; | |
| 6684 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6685 break; | |
| 6686 | |
| 6687 default: | |
| 6688 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6689 type = Type::tint32; | |
| 6690 break; | |
| 6691 } | |
| 6692 rvalue(); | |
| 6693 return this; | |
| 6694 } | |
| 6695 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6696 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6697 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6698 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6702 |
| 159 | 6703 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6704 { | |
| 6705 #if 0 | |
| 6706 tym = tybasic(e1->ET->Tty); | |
| 6707 if (!(tyscalar(tym) || | |
| 6708 tym == TYstruct || | |
| 6709 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6710 synerr(EM_lvalue); // lvalue expected | |
| 6711 #endif | |
| 6712 return this; | |
| 6713 } | |
| 6714 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6715 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6716 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6717 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6718 //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
|
6719 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6720 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6721 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6722 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6723 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6725 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6726 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 |
| 159 | 6730 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6731 { | |
| 6732 buf->writeByte('*'); | |
| 6733 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6734 } | |
| 6735 | |
| 6736 /************************************************************/ | |
| 6737 | |
| 6738 NegExp::NegExp(Loc loc, Expression *e) | |
| 6739 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6740 { | |
| 6741 } | |
| 6742 | |
| 6743 Expression *NegExp::semantic(Scope *sc) | |
| 6744 { Expression *e; | |
| 6745 | |
| 6746 #if LOGSEMANTIC | |
| 6747 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6748 #endif | |
| 6749 if (!type) | |
| 6750 { | |
| 6751 UnaExp::semantic(sc); | |
| 6752 e1 = resolveProperties(sc, e1); | |
| 6753 e = op_overload(sc); | |
| 6754 if (e) | |
| 6755 return e; | |
| 6756 | |
| 6757 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
|
6758 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
|
6759 e1->checkArithmetic(); |
| 159 | 6760 type = e1->type; |
| 6761 } | |
| 6762 return this; | |
| 6763 } | |
| 6764 | |
| 6765 /************************************************************/ | |
| 6766 | |
| 6767 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6768 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6769 { | |
| 6770 } | |
| 6771 | |
| 6772 Expression *UAddExp::semantic(Scope *sc) | |
| 6773 { Expression *e; | |
| 6774 | |
| 6775 #if LOGSEMANTIC | |
| 6776 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6777 #endif | |
| 6778 assert(!type); | |
| 6779 UnaExp::semantic(sc); | |
| 6780 e1 = resolveProperties(sc, e1); | |
| 6781 e = op_overload(sc); | |
| 6782 if (e) | |
| 6783 return e; | |
| 6784 e1->checkNoBool(); | |
| 6785 e1->checkArithmetic(); | |
| 6786 return e1; | |
| 6787 } | |
| 6788 | |
| 6789 /************************************************************/ | |
| 6790 | |
| 6791 ComExp::ComExp(Loc loc, Expression *e) | |
| 6792 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6793 { | |
| 6794 } | |
| 6795 | |
| 6796 Expression *ComExp::semantic(Scope *sc) | |
| 6797 { Expression *e; | |
| 6798 | |
| 6799 if (!type) | |
| 6800 { | |
| 6801 UnaExp::semantic(sc); | |
| 6802 e1 = resolveProperties(sc, e1); | |
| 6803 e = op_overload(sc); | |
| 6804 if (e) | |
| 6805 return e; | |
| 6806 | |
| 6807 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
|
6808 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
|
6809 e1 = e1->checkIntegral(); |
| 159 | 6810 type = e1->type; |
| 6811 } | |
| 6812 return this; | |
| 6813 } | |
| 6814 | |
| 6815 /************************************************************/ | |
| 6816 | |
| 6817 NotExp::NotExp(Loc loc, Expression *e) | |
| 6818 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6819 { | |
| 6820 } | |
| 6821 | |
| 6822 Expression *NotExp::semantic(Scope *sc) | |
| 6823 { | |
| 6824 UnaExp::semantic(sc); | |
| 6825 e1 = resolveProperties(sc, e1); | |
| 6826 e1 = e1->checkToBoolean(); | |
| 6827 type = Type::tboolean; | |
| 6828 return this; | |
| 6829 } | |
| 6830 | |
| 6831 int NotExp::isBit() | |
| 6832 { | |
| 6833 return TRUE; | |
| 6834 } | |
| 6835 | |
| 6836 | |
| 6837 | |
| 6838 /************************************************************/ | |
| 6839 | |
| 6840 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6841 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6842 { | |
| 6843 type = t; | |
| 6844 } | |
| 6845 | |
| 6846 Expression *BoolExp::semantic(Scope *sc) | |
| 6847 { | |
| 6848 UnaExp::semantic(sc); | |
| 6849 e1 = resolveProperties(sc, e1); | |
| 6850 e1 = e1->checkToBoolean(); | |
| 6851 type = Type::tboolean; | |
| 6852 return this; | |
| 6853 } | |
| 6854 | |
| 6855 int BoolExp::isBit() | |
| 6856 { | |
| 6857 return TRUE; | |
| 6858 } | |
| 6859 | |
| 6860 /************************************************************/ | |
| 6861 | |
| 6862 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6863 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6864 { | |
| 6865 } | |
| 6866 | |
| 6867 Expression *DeleteExp::semantic(Scope *sc) | |
| 6868 { | |
| 6869 Type *tb; | |
| 6870 | |
| 6871 UnaExp::semantic(sc); | |
| 6872 e1 = resolveProperties(sc, e1); | |
| 6873 e1 = e1->toLvalue(sc, NULL); | |
| 6874 type = Type::tvoid; | |
| 6875 | |
| 6876 tb = e1->type->toBasetype(); | |
| 6877 switch (tb->ty) | |
| 6878 { case Tclass: | |
| 6879 { TypeClass *tc = (TypeClass *)tb; | |
| 6880 ClassDeclaration *cd = tc->sym; | |
| 6881 | |
| 6882 if (cd->isCOMinterface()) | |
| 6883 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6884 */ | |
| 6885 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6886 } | |
| 6887 break; | |
| 6888 } | |
| 6889 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
|
6890 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6891 if (tb->ty == Tstruct) |
| 6892 { | |
| 6893 TypeStruct *ts = (TypeStruct *)tb; | |
| 6894 StructDeclaration *sd = ts->sym; | |
| 6895 FuncDeclaration *f = sd->aggDelete; | |
| 6896 | |
| 6897 if (f) | |
| 6898 { | |
| 6899 Type *tpv = Type::tvoid->pointerTo(); | |
| 6900 | |
| 6901 Expression *e = e1->castTo(sc, tpv); | |
| 6902 Expression *ec = new VarExp(loc, f); | |
| 6903 e = new CallExp(loc, ec, e); | |
| 6904 return e->semantic(sc); | |
| 6905 } | |
| 6906 } | |
| 6907 break; | |
| 6908 | |
| 6909 case Tarray: | |
| 6910 break; | |
| 6911 | |
| 6912 default: | |
| 6913 if (e1->op == TOKindex) | |
| 6914 { | |
| 6915 IndexExp *ae = (IndexExp *)(e1); | |
| 6916 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6917 if (tb1->ty == Taarray) | |
| 6918 break; | |
| 6919 } | |
| 6920 error("cannot delete type %s", e1->type->toChars()); | |
| 6921 break; | |
| 6922 } | |
| 6923 | |
| 6924 if (e1->op == TOKindex) | |
| 6925 { | |
| 6926 IndexExp *ae = (IndexExp *)(e1); | |
| 6927 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6928 if (tb1->ty == Taarray) | |
| 6929 { if (!global.params.useDeprecated) | |
| 6930 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6931 } | |
| 6932 } | |
| 6933 | |
| 6934 return this; | |
| 6935 } | |
| 6936 | |
| 6937 int DeleteExp::checkSideEffect(int flag) | |
| 6938 { | |
| 6939 return 1; | |
| 6940 } | |
| 6941 | |
| 6942 Expression *DeleteExp::checkToBoolean() | |
| 6943 { | |
| 6944 error("delete does not give a boolean result"); | |
| 6945 return this; | |
| 6946 } | |
| 6947 | |
| 6948 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6949 { | |
| 6950 buf->writestring("delete "); | |
| 6951 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6952 } | |
| 6953 | |
| 6954 /************************************************************/ | |
| 6955 | |
| 6956 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6957 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6958 { | |
| 6959 to = t; | |
| 6960 } | |
| 6961 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6962 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6963 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6964 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6965 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
|
6966 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6967 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6968 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6969 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6970 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 |
| 159 | 6973 Expression *CastExp::syntaxCopy() |
| 6974 { | |
| 6975 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6976 } | |
| 6977 | |
| 6978 | |
| 6979 Expression *CastExp::semantic(Scope *sc) | |
| 6980 { Expression *e; | |
| 6981 BinExp *b; | |
| 6982 UnaExp *u; | |
| 6983 | |
| 6984 #if LOGSEMANTIC | |
| 6985 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6986 #endif | |
| 6987 | |
| 6988 //static int x; assert(++x < 10); | |
| 6989 | |
| 6990 if (type) | |
| 6991 return this; | |
| 6992 UnaExp::semantic(sc); | |
| 6993 if (e1->type) // if not a tuple | |
| 6994 { | |
| 6995 e1 = resolveProperties(sc, e1); | |
| 6996 to = to->semantic(loc, sc); | |
| 6997 | |
| 6998 e = op_overload(sc); | |
| 6999 if (e) | |
| 7000 { | |
| 7001 return e->implicitCastTo(sc, to); | |
| 7002 } | |
| 7003 | |
| 7004 Type *tob = to->toBasetype(); | |
| 7005 if (tob->ty == Tstruct && | |
| 7006 !tob->equals(e1->type->toBasetype()) && | |
| 7007 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7008 ) | |
| 7009 { | |
| 7010 /* Look to replace: | |
| 7011 * cast(S)t | |
| 7012 * with: | |
| 7013 * S(t) | |
| 7014 */ | |
| 7015 | |
| 7016 // Rewrite as to.call(e1) | |
| 7017 e = new TypeExp(loc, to); | |
| 7018 e = new DotIdExp(loc, e, Id::call); | |
| 7019 e = new CallExp(loc, e, e1); | |
| 7020 e = e->semantic(sc); | |
| 7021 return e; | |
| 7022 } | |
| 7023 } | |
| 7024 e = e1->castTo(sc, to); | |
| 7025 return e; | |
| 7026 } | |
| 7027 | |
| 7028 int CastExp::checkSideEffect(int flag) | |
| 7029 { | |
| 7030 /* if not: | |
| 7031 * cast(void) | |
| 7032 * cast(classtype)func() | |
| 7033 */ | |
| 7034 if (!to->equals(Type::tvoid) && | |
| 7035 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7036 return Expression::checkSideEffect(flag); | |
| 7037 return 1; | |
| 7038 } | |
| 7039 | |
| 7040 void CastExp::checkEscape() | |
| 7041 { Type *tb = type->toBasetype(); | |
| 7042 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7043 e1->type->toBasetype()->ty == Tsarray) | |
| 7044 { VarExp *ve = (VarExp *)e1; | |
| 7045 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7046 if (v) | |
| 7047 { | |
| 7048 if (!v->isDataseg() && !v->isParameter()) | |
| 7049 error("escaping reference to local %s", v->toChars()); | |
| 7050 } | |
| 7051 } | |
| 7052 } | |
| 7053 | |
| 7054 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7055 { | |
| 7056 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7057 #if DMDV1 |
| 159 | 7058 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7059 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7084 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7085 #endif |
| 159 | 7086 buf->writeByte(')'); |
| 7087 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7088 } | |
| 7089 | |
| 7090 | |
| 7091 /************************************************************/ | |
| 7092 | |
| 7093 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7094 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7095 { | |
| 7096 this->upr = upr; | |
| 7097 this->lwr = lwr; | |
| 7098 lengthVar = NULL; | |
| 7099 } | |
| 7100 | |
| 7101 Expression *SliceExp::syntaxCopy() | |
| 7102 { | |
| 7103 Expression *lwr = NULL; | |
| 7104 if (this->lwr) | |
| 7105 lwr = this->lwr->syntaxCopy(); | |
| 7106 | |
| 7107 Expression *upr = NULL; | |
| 7108 if (this->upr) | |
| 7109 upr = this->upr->syntaxCopy(); | |
| 7110 | |
| 7111 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7112 } | |
| 7113 | |
| 7114 Expression *SliceExp::semantic(Scope *sc) | |
| 7115 { Expression *e; | |
| 7116 AggregateDeclaration *ad; | |
| 7117 //FuncDeclaration *fd; | |
| 7118 ScopeDsymbol *sym; | |
| 7119 | |
| 7120 #if LOGSEMANTIC | |
| 7121 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7122 #endif | |
| 7123 if (type) | |
| 7124 return this; | |
| 7125 | |
| 7126 UnaExp::semantic(sc); | |
| 7127 e1 = resolveProperties(sc, e1); | |
| 7128 | |
| 7129 e = this; | |
| 7130 | |
| 7131 Type *t = e1->type->toBasetype(); | |
| 7132 if (t->ty == Tpointer) | |
| 7133 { | |
| 7134 if (!lwr || !upr) | |
| 7135 error("need upper and lower bound to slice pointer"); | |
| 7136 } | |
| 7137 else if (t->ty == Tarray) | |
| 7138 { | |
| 7139 } | |
| 7140 else if (t->ty == Tsarray) | |
| 7141 { | |
| 7142 } | |
| 7143 else if (t->ty == Tclass) | |
| 7144 { | |
| 7145 ad = ((TypeClass *)t)->sym; | |
| 7146 goto L1; | |
| 7147 } | |
| 7148 else if (t->ty == Tstruct) | |
| 7149 { | |
| 7150 ad = ((TypeStruct *)t)->sym; | |
| 7151 | |
| 7152 L1: | |
| 7153 if (search_function(ad, Id::slice)) | |
| 7154 { | |
| 7155 // Rewrite as e1.slice(lwr, upr) | |
| 7156 e = new DotIdExp(loc, e1, Id::slice); | |
| 7157 | |
| 7158 if (lwr) | |
| 7159 { | |
| 7160 assert(upr); | |
| 7161 e = new CallExp(loc, e, lwr, upr); | |
| 7162 } | |
| 7163 else | |
| 7164 { assert(!upr); | |
| 7165 e = new CallExp(loc, e); | |
| 7166 } | |
| 7167 e = e->semantic(sc); | |
| 7168 return e; | |
| 7169 } | |
| 7170 goto Lerror; | |
| 7171 } | |
| 7172 else if (t->ty == Ttuple) | |
| 7173 { | |
| 7174 if (!lwr && !upr) | |
| 7175 return e1; | |
| 7176 if (!lwr || !upr) | |
| 7177 { error("need upper and lower bound to slice tuple"); | |
| 7178 goto Lerror; | |
| 7179 } | |
| 7180 } | |
| 7181 else | |
| 7182 goto Lerror; | |
| 7183 | |
| 7184 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7185 { | |
| 7186 sym = new ArrayScopeSymbol(this); | |
| 7187 sym->loc = loc; | |
| 7188 sym->parent = sc->scopesym; | |
| 7189 sc = sc->push(sym); | |
| 7190 } | |
| 7191 | |
| 7192 if (lwr) | |
| 7193 { lwr = lwr->semantic(sc); | |
| 7194 lwr = resolveProperties(sc, lwr); | |
| 7195 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7196 } | |
| 7197 if (upr) | |
| 7198 { upr = upr->semantic(sc); | |
| 7199 upr = resolveProperties(sc, upr); | |
| 7200 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7201 } | |
| 7202 | |
| 7203 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7204 sc->pop(); | |
| 7205 | |
| 7206 if (t->ty == Ttuple) | |
| 7207 { | |
| 7208 lwr = lwr->optimize(WANTvalue); | |
| 7209 upr = upr->optimize(WANTvalue); | |
| 7210 uinteger_t i1 = lwr->toUInteger(); | |
| 7211 uinteger_t i2 = upr->toUInteger(); | |
| 7212 | |
| 7213 size_t length; | |
| 7214 TupleExp *te; | |
| 7215 TypeTuple *tup; | |
| 7216 | |
| 7217 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7218 { te = (TupleExp *)e1; | |
| 7219 length = te->exps->dim; | |
| 7220 } | |
| 7221 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7222 { tup = (TypeTuple *)t; | |
| 7223 length = Argument::dim(tup->arguments); | |
| 7224 } | |
| 7225 else | |
| 7226 assert(0); | |
| 7227 | |
| 7228 if (i1 <= i2 && i2 <= length) | |
| 7229 { size_t j1 = (size_t) i1; | |
| 7230 size_t j2 = (size_t) i2; | |
| 7231 | |
| 7232 if (e1->op == TOKtuple) | |
| 7233 { Expressions *exps = new Expressions; | |
| 7234 exps->setDim(j2 - j1); | |
| 7235 for (size_t i = 0; i < j2 - j1; i++) | |
| 7236 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7237 exps->data[i] = (void *)e; | |
| 7238 } | |
| 7239 e = new TupleExp(loc, exps); | |
| 7240 } | |
| 7241 else | |
| 7242 { Arguments *args = new Arguments; | |
| 7243 args->reserve(j2 - j1); | |
| 7244 for (size_t i = j1; i < j2; i++) | |
| 7245 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7246 args->push(arg); | |
| 7247 } | |
| 7248 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7249 } | |
| 7250 e = e->semantic(sc); | |
| 7251 } | |
| 7252 else | |
| 7253 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7254 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7255 e = e1; |
| 7256 } | |
| 7257 return e; | |
| 7258 } | |
| 7259 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7260 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7261 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7262 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7263 type = t->nextOf()->arrayOf(); |
| 159 | 7264 return e; |
| 7265 | |
| 7266 Lerror: | |
| 7267 char *s; | |
| 7268 if (t->ty == Tvoid) | |
| 7269 s = e1->toChars(); | |
| 7270 else | |
| 7271 s = t->toChars(); | |
| 7272 error("%s cannot be sliced with []", s); | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
7273 e = new IntegerExp(0); |
| 159 | 7274 return e; |
| 7275 } | |
| 7276 | |
| 7277 void SliceExp::checkEscape() | |
| 7278 { | |
| 7279 e1->checkEscape(); | |
| 7280 } | |
| 7281 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7282 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7283 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7284 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7285 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7286 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7287 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7288 |
| 159 | 7289 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7290 { | |
| 7291 return this; | |
| 7292 } | |
| 7293 | |
| 7294 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7295 { | |
| 7296 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7297 return this; | |
| 7298 } | |
| 7299 | |
| 7300 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7301 { | |
| 7302 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7303 buf->writeByte('['); | |
| 7304 if (upr || lwr) | |
| 7305 { | |
| 7306 if (lwr) | |
| 7307 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7308 else | |
| 7309 buf->writeByte('0'); | |
| 7310 buf->writestring(".."); | |
| 7311 if (upr) | |
| 7312 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7313 else | |
| 7314 buf->writestring("length"); // BUG: should be array.length | |
| 7315 } | |
| 7316 buf->writeByte(']'); | |
| 7317 } | |
| 7318 | |
| 7319 /********************** ArrayLength **************************************/ | |
| 7320 | |
| 7321 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7322 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7323 { | |
| 7324 } | |
| 7325 | |
| 7326 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7327 { Expression *e; | |
| 7328 | |
| 7329 #if LOGSEMANTIC | |
| 7330 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7331 #endif | |
| 7332 if (!type) | |
| 7333 { | |
| 7334 UnaExp::semantic(sc); | |
| 7335 e1 = resolveProperties(sc, e1); | |
| 7336 | |
| 7337 type = Type::tsize_t; | |
| 7338 } | |
| 7339 return this; | |
| 7340 } | |
| 7341 | |
| 7342 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7343 { | |
| 7344 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7345 buf->writestring(".length"); | |
| 7346 } | |
| 7347 | |
| 7348 /*********************** ArrayExp *************************************/ | |
| 7349 | |
| 7350 // e1 [ i1, i2, i3, ... ] | |
| 7351 | |
| 7352 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7353 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7354 { | |
| 7355 arguments = args; | |
| 7356 } | |
| 7357 | |
| 7358 Expression *ArrayExp::syntaxCopy() | |
| 7359 { | |
| 7360 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7361 } | |
| 7362 | |
| 7363 Expression *ArrayExp::semantic(Scope *sc) | |
| 7364 { Expression *e; | |
| 7365 Type *t1; | |
| 7366 | |
| 7367 #if LOGSEMANTIC | |
| 7368 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7369 #endif | |
| 7370 UnaExp::semantic(sc); | |
| 7371 e1 = resolveProperties(sc, e1); | |
| 7372 | |
| 7373 t1 = e1->type->toBasetype(); | |
| 7374 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7375 { // Convert to IndexExp | |
| 7376 if (arguments->dim != 1) | |
| 7377 error("only one index allowed to index %s", t1->toChars()); | |
| 7378 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7379 return e->semantic(sc); | |
| 7380 } | |
| 7381 | |
| 7382 // Run semantic() on each argument | |
| 7383 for (size_t i = 0; i < arguments->dim; i++) | |
| 7384 { e = (Expression *)arguments->data[i]; | |
| 7385 | |
| 7386 e = e->semantic(sc); | |
| 7387 if (!e->type) | |
| 7388 error("%s has no value", e->toChars()); | |
| 7389 arguments->data[i] = (void *)e; | |
| 7390 } | |
| 7391 | |
| 7392 expandTuples(arguments); | |
| 7393 assert(arguments && arguments->dim); | |
| 7394 | |
| 7395 e = op_overload(sc); | |
| 7396 if (!e) | |
| 7397 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7398 e = e1; | |
| 7399 } | |
| 7400 return e; | |
| 7401 } | |
| 7402 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7403 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7404 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7405 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7406 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7407 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7408 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7409 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7410 #endif |
| 159 | 7411 |
| 7412 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7413 { | |
| 7414 if (type && type->toBasetype()->ty == Tvoid) | |
| 7415 error("voids have no value"); | |
| 7416 return this; | |
| 7417 } | |
| 7418 | |
| 7419 | |
| 7420 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7421 { int i; | |
| 7422 | |
| 7423 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7424 buf->writeByte('['); | |
| 7425 argsToCBuffer(buf, arguments, hgs); | |
| 7426 buf->writeByte(']'); | |
| 7427 } | |
| 7428 | |
| 7429 /************************* DotExp ***********************************/ | |
| 7430 | |
| 7431 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7432 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7433 { | |
| 7434 } | |
| 7435 | |
| 7436 Expression *DotExp::semantic(Scope *sc) | |
| 7437 { | |
| 7438 #if LOGSEMANTIC | |
| 7439 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7440 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7441 #endif | |
| 7442 e1 = e1->semantic(sc); | |
| 7443 e2 = e2->semantic(sc); | |
| 7444 if (e2->op == TOKimport) | |
| 7445 { | |
| 7446 ScopeExp *se = (ScopeExp *)e2; | |
| 7447 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7448 if (td) | |
| 7449 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7450 e = e->semantic(sc); | |
| 7451 return e; | |
| 7452 } | |
| 7453 } | |
| 7454 if (!type) | |
| 7455 type = e2->type; | |
| 7456 return this; | |
| 7457 } | |
| 7458 | |
| 7459 | |
| 7460 /************************* CommaExp ***********************************/ | |
| 7461 | |
| 7462 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7463 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7464 { | |
| 7465 } | |
| 7466 | |
| 7467 Expression *CommaExp::semantic(Scope *sc) | |
| 7468 { | |
| 7469 if (!type) | |
| 7470 { BinExp::semanticp(sc); | |
| 7471 type = e2->type; | |
| 7472 } | |
| 7473 return this; | |
| 7474 } | |
| 7475 | |
| 7476 void CommaExp::checkEscape() | |
| 7477 { | |
| 7478 e2->checkEscape(); | |
| 7479 } | |
| 7480 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7481 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7482 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7483 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7484 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7486 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7487 |
| 159 | 7488 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7489 { | |
| 7490 e2 = e2->toLvalue(sc, NULL); | |
| 7491 return this; | |
| 7492 } | |
| 7493 | |
| 7494 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7495 { | |
| 7496 e2 = e2->modifiableLvalue(sc, e); | |
| 7497 return this; | |
| 7498 } | |
| 7499 | |
| 7500 int CommaExp::isBool(int result) | |
| 7501 { | |
| 7502 return e2->isBool(result); | |
| 7503 } | |
| 7504 | |
| 7505 int CommaExp::checkSideEffect(int flag) | |
| 7506 { | |
| 7507 if (flag == 2) | |
| 7508 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7509 else | |
| 7510 { | |
| 7511 // Don't check e1 until we cast(void) the a,b code generation | |
| 7512 return e2->checkSideEffect(flag); | |
| 7513 } | |
| 7514 } | |
| 7515 | |
| 7516 /************************** IndexExp **********************************/ | |
| 7517 | |
| 7518 // e1 [ e2 ] | |
| 7519 | |
| 7520 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7521 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7522 { | |
| 7523 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7524 lengthVar = NULL; | |
| 7525 modifiable = 0; // assume it is an rvalue | |
| 7526 } | |
| 7527 | |
| 7528 Expression *IndexExp::semantic(Scope *sc) | |
| 7529 { Expression *e; | |
| 7530 BinExp *b; | |
| 7531 UnaExp *u; | |
| 7532 Type *t1; | |
| 7533 ScopeDsymbol *sym; | |
| 7534 | |
| 7535 #if LOGSEMANTIC | |
| 7536 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7537 #endif | |
| 7538 if (type) | |
| 7539 return this; | |
| 7540 if (!e1->type) | |
| 7541 e1 = e1->semantic(sc); | |
| 7542 assert(e1->type); // semantic() should already be run on it | |
| 7543 e = this; | |
| 7544 | |
| 7545 // Note that unlike C we do not implement the int[ptr] | |
| 7546 | |
| 7547 t1 = e1->type->toBasetype(); | |
| 7548 | |
| 7549 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7550 { // Create scope for 'length' variable | |
| 7551 sym = new ArrayScopeSymbol(this); | |
| 7552 sym->loc = loc; | |
| 7553 sym->parent = sc->scopesym; | |
| 7554 sc = sc->push(sym); | |
| 7555 } | |
| 7556 | |
| 7557 e2 = e2->semantic(sc); | |
| 7558 if (!e2->type) | |
| 7559 { | |
| 7560 error("%s has no value", e2->toChars()); | |
| 7561 e2->type = Type::terror; | |
| 7562 } | |
| 7563 e2 = resolveProperties(sc, e2); | |
| 7564 | |
| 7565 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7566 sc = sc->pop(); | |
| 7567 | |
| 7568 switch (t1->ty) | |
| 7569 { | |
| 7570 case Tpointer: | |
| 7571 case Tarray: | |
| 7572 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7573 e->type = t1->next; | |
| 7574 break; | |
| 7575 | |
| 7576 case Tsarray: | |
| 7577 { | |
| 7578 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7579 | |
| 7580 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7581 | |
| 7582 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7583 // Do compile time array bounds checking if possible | |
| 7584 e2 = e2->optimize(WANTvalue); | |
| 7585 if (e2->op == TOKint64) | |
| 7586 { | |
| 7587 integer_t index = e2->toInteger(); | |
| 7588 integer_t length = tsa->dim->toInteger(); | |
| 7589 if (index < 0 || index >= length) | |
| 7590 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7591 index, length); | |
| 7592 } | |
| 7593 #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
|
7594 e->type = t1->nextOf(); |
| 159 | 7595 break; |
| 7596 } | |
| 7597 | |
| 7598 case Taarray: | |
| 7599 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7600 | |
| 7601 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7602 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7603 type = taa->next; | |
| 7604 break; | |
| 7605 } | |
| 7606 | |
| 7607 case Ttuple: | |
| 7608 { | |
| 7609 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7610 e2 = e2->optimize(WANTvalue); | |
| 7611 uinteger_t index = e2->toUInteger(); | |
| 7612 size_t length; | |
| 7613 TupleExp *te; | |
| 7614 TypeTuple *tup; | |
| 7615 | |
| 7616 if (e1->op == TOKtuple) | |
| 7617 { te = (TupleExp *)e1; | |
| 7618 length = te->exps->dim; | |
| 7619 } | |
| 7620 else if (e1->op == TOKtype) | |
| 7621 { | |
| 7622 tup = (TypeTuple *)t1; | |
| 7623 length = Argument::dim(tup->arguments); | |
| 7624 } | |
| 7625 else | |
| 7626 assert(0); | |
| 7627 | |
| 7628 if (index < length) | |
| 7629 { | |
| 7630 | |
| 7631 if (e1->op == TOKtuple) | |
| 7632 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7633 else | |
| 7634 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7635 } | |
| 7636 else | |
| 7637 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7638 error("array index [%ju] is outside array bounds [0 .. %zu]", |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7639 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7640 e = e1; |
| 159 | 7641 } |
| 7642 break; | |
| 7643 } | |
| 7644 | |
| 7645 default: | |
| 7646 error("%s must be an array or pointer type, not %s", | |
| 7647 e1->toChars(), e1->type->toChars()); | |
| 7648 type = Type::tint32; | |
| 7649 break; | |
| 7650 } | |
| 7651 return e; | |
| 7652 } | |
| 7653 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7654 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7655 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7656 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7657 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7658 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7659 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7660 |
| 159 | 7661 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7662 { | |
| 7663 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7664 // error("voids have no value"); | |
| 7665 return this; | |
| 7666 } | |
| 7667 | |
| 7668 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7669 { | |
| 7670 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7671 modifiable = 1; | |
| 7672 if (e1->op == TOKstring) | |
| 7673 error("string literals are immutable"); | |
| 7674 if (e1->type->toBasetype()->ty == Taarray) | |
| 7675 e1 = e1->modifiableLvalue(sc, e1); | |
| 7676 return toLvalue(sc, e); | |
| 7677 } | |
| 7678 | |
| 7679 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7680 { | |
| 7681 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7682 buf->writeByte('['); | |
| 7683 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7684 buf->writeByte(']'); | |
| 7685 } | |
| 7686 | |
| 7687 | |
| 7688 /************************* PostExp ***********************************/ | |
| 7689 | |
| 7690 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7691 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7692 new IntegerExp(loc, 1, Type::tint32)) | |
| 7693 { | |
| 7694 } | |
| 7695 | |
| 7696 Expression *PostExp::semantic(Scope *sc) | |
| 7697 { Expression *e = this; | |
| 7698 | |
| 7699 if (!type) | |
| 7700 { | |
| 7701 BinExp::semantic(sc); | |
| 7702 e2 = resolveProperties(sc, e2); | |
| 7703 | |
| 7704 e = op_overload(sc); | |
| 7705 if (e) | |
| 7706 return e; | |
| 7707 | |
| 7708 e = this; | |
| 7709 e1 = e1->modifiableLvalue(sc, e1); | |
| 7710 e1->checkScalar(); | |
| 7711 e1->checkNoBool(); | |
| 7712 if (e1->type->ty == Tpointer) | |
| 7713 e = scaleFactor(sc); | |
| 7714 else | |
| 7715 e2 = e2->castTo(sc, e1->type); | |
| 7716 e->type = e1->type; | |
| 7717 } | |
| 7718 return e; | |
| 7719 } | |
| 7720 | |
| 7721 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7722 { | |
| 7723 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7724 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7725 } | |
| 7726 | |
| 7727 /************************************************************/ | |
| 7728 | |
| 7729 /* Can be TOKconstruct too */ | |
| 7730 | |
| 7731 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7732 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7733 { | |
| 7734 ismemset = 0; | |
| 7735 } | |
| 7736 | |
| 7737 Expression *AssignExp::semantic(Scope *sc) | |
| 7738 { Type *t1; | |
| 7739 Expression *e1old = e1; | |
| 7740 | |
| 7741 #if LOGSEMANTIC | |
| 7742 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7743 #endif | |
| 7744 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7745 | |
| 7746 /* Look for operator overloading of a[i]=value. | |
| 7747 * Do it before semantic() otherwise the a[i] will have been | |
| 7748 * converted to a.opIndex() already. | |
| 7749 */ | |
| 7750 if (e1->op == TOKarray) | |
| 7751 { Type *t1; | |
| 7752 ArrayExp *ae = (ArrayExp *)e1; | |
| 7753 AggregateDeclaration *ad; | |
| 7754 Identifier *id = Id::index; | |
| 7755 | |
| 7756 ae->e1 = ae->e1->semantic(sc); | |
| 7757 t1 = ae->e1->type->toBasetype(); | |
| 7758 if (t1->ty == Tstruct) | |
| 7759 { | |
| 7760 ad = ((TypeStruct *)t1)->sym; | |
| 7761 goto L1; | |
| 7762 } | |
| 7763 else if (t1->ty == Tclass) | |
| 7764 { | |
| 7765 ad = ((TypeClass *)t1)->sym; | |
| 7766 L1: | |
| 7767 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7768 if (search_function(ad, Id::indexass)) | |
| 7769 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7770 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7771 | |
| 7772 a->insert(0, e2); | |
| 7773 e = new CallExp(loc, e, a); | |
| 7774 e = e->semantic(sc); | |
| 7775 return e; | |
| 7776 } | |
| 7777 else | |
| 7778 { | |
| 7779 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7780 if (search_function(ad, id)) | |
| 7781 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7782 | |
| 7783 if (1 || !global.params.useDeprecated) | |
| 7784 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7785 | |
| 7786 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7787 e = e->semantic(sc); | |
| 7788 return e; | |
| 7789 } | |
| 7790 } | |
| 7791 } | |
| 7792 } | |
| 7793 /* Look for operator overloading of a[i..j]=value. | |
| 7794 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7795 * converted to a.opSlice() already. | |
| 7796 */ | |
| 7797 if (e1->op == TOKslice) | |
| 7798 { Type *t1; | |
| 7799 SliceExp *ae = (SliceExp *)e1; | |
| 7800 AggregateDeclaration *ad; | |
| 7801 Identifier *id = Id::index; | |
| 7802 | |
| 7803 ae->e1 = ae->e1->semantic(sc); | |
| 7804 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7805 t1 = ae->e1->type->toBasetype(); | |
| 7806 if (t1->ty == Tstruct) | |
| 7807 { | |
| 7808 ad = ((TypeStruct *)t1)->sym; | |
| 7809 goto L2; | |
| 7810 } | |
| 7811 else if (t1->ty == Tclass) | |
| 7812 { | |
| 7813 ad = ((TypeClass *)t1)->sym; | |
| 7814 L2: | |
| 7815 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7816 if (search_function(ad, Id::sliceass)) | |
| 7817 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7818 Expressions *a = new Expressions(); | |
| 7819 | |
| 7820 a->push(e2); | |
| 7821 if (ae->lwr) | |
| 7822 { a->push(ae->lwr); | |
| 7823 assert(ae->upr); | |
| 7824 a->push(ae->upr); | |
| 7825 } | |
| 7826 else | |
| 7827 assert(!ae->upr); | |
| 7828 e = new CallExp(loc, e, a); | |
| 7829 e = e->semantic(sc); | |
| 7830 return e; | |
| 7831 } | |
| 7832 } | |
| 7833 } | |
| 7834 | |
| 7835 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7836 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7837 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7838 { // 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
|
7839 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7840 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7841 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7842 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7843 |
| 159 | 7844 e2 = resolveProperties(sc, e2); |
| 7845 assert(e1->type); | |
| 7846 | |
| 7847 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7848 */ | |
| 7849 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7850 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7851 TupleExp *tup2 = (TupleExp *)e2; | |
| 7852 size_t dim = tup1->exps->dim; | |
| 7853 if (dim != tup2->exps->dim) | |
| 7854 { | |
| 7855 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7856 } | |
| 7857 else | |
| 7858 { Expressions *exps = new Expressions; | |
| 7859 exps->setDim(dim); | |
| 7860 | |
| 7861 for (int i = 0; i < dim; i++) | |
| 7862 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7863 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7864 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7865 } | |
| 7866 Expression *e = new TupleExp(loc, exps); | |
| 7867 e = e->semantic(sc); | |
| 7868 return e; | |
| 7869 } | |
| 7870 } | |
| 7871 | |
| 7872 t1 = e1->type->toBasetype(); | |
| 7873 | |
| 7874 if (t1->ty == Tfunction) | |
| 7875 { // Rewrite f=value to f(value) | |
| 7876 Expression *e; | |
| 7877 | |
| 7878 e = new CallExp(loc, e1, e2); | |
| 7879 e = e->semantic(sc); | |
| 7880 return e; | |
| 7881 } | |
| 7882 | |
| 7883 /* If it is an assignment from a 'foreign' type, | |
| 7884 * check for operator overloading. | |
| 7885 */ | |
| 7886 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7887 { | |
| 7888 if (!e2->type->implicitConvTo(e1->type)) | |
| 7889 { | |
| 7890 Expression *e = op_overload(sc); | |
| 7891 if (e) | |
| 7892 return e; | |
| 7893 } | |
| 7894 } | |
| 7895 | |
| 7896 e2->rvalue(); | |
| 7897 | |
| 7898 if (e1->op == TOKarraylength) | |
| 7899 { | |
| 7900 // e1 is not an lvalue, but we let code generator handle it | |
| 7901 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7902 | |
| 7903 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7904 } | |
| 7905 else if (e1->op == TOKslice) | |
| 7906 ; | |
| 7907 else | |
| 7908 { // Try to do a decent error message with the expression | |
| 7909 // before it got constant folded | |
| 7910 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7911 } | |
| 7912 | |
| 7913 if (e1->op == TOKslice && | |
| 7914 t1->nextOf() && | |
| 7915 e2->implicitConvTo(t1->nextOf()) | |
| 7916 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7917 ) | |
| 7918 { // memset | |
| 7919 ismemset = 1; // make it easy for back end to tell what this is | |
| 7920 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7921 } | |
| 7922 else if (t1->ty == Tsarray) | |
| 7923 { | |
| 7924 error("cannot assign to static array %s", e1->toChars()); | |
| 7925 } | |
| 7926 else | |
| 7927 { | |
| 7928 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7929 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7930 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7931 /* Look for array operations |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7932 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7933 if (e1->op == TOKslice && !ismemset && |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7934 (e2->op == TOKadd || e2->op == TOKmin || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7935 e2->op == TOKmul || e2->op == TOKdiv || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7936 e2->op == TOKmod || e2->op == TOKxor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7937 e2->op == TOKand || e2->op == TOKor || |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7938 e2->op == TOKtilde || e2->op == TOKneg)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7939 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7940 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
|
7941 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
|
7942 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7943 |
| 159 | 7944 type = e1->type; |
| 7945 assert(type); | |
| 7946 return this; | |
| 7947 } | |
| 7948 | |
| 7949 Expression *AssignExp::checkToBoolean() | |
| 7950 { | |
| 7951 // Things like: | |
| 7952 // if (a = b) ... | |
| 7953 // are usually mistakes. | |
| 7954 | |
| 7955 error("'=' does not give a boolean result"); | |
| 7956 return this; | |
| 7957 } | |
| 7958 | |
| 7959 /************************************************************/ | |
| 7960 | |
| 7961 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7962 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7963 { | |
| 7964 } | |
| 7965 | |
| 7966 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7967 { Expression *e; | |
| 7968 | |
| 7969 if (type) | |
| 7970 return this; | |
| 7971 | |
| 7972 BinExp::semantic(sc); | |
| 7973 e2 = resolveProperties(sc, e2); | |
| 7974 | |
| 7975 e = op_overload(sc); | |
| 7976 if (e) | |
| 7977 return e; | |
| 7978 | |
| 7979 Type *tb1 = e1->type->toBasetype(); | |
| 7980 Type *tb2 = e2->type->toBasetype(); | |
| 7981 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7982 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
|
7983 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7984 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
|
7985 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
|
7986 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
|
7987 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7988 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7989 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7990 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
|
7991 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7992 |
| 159 | 7993 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7994 (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
|
7995 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7996 ) |
| 7997 { | |
| 7998 type = e1->type; | |
| 7999 e = this; | |
| 8000 } | |
| 8001 else | |
| 8002 { | |
| 8003 e1->checkScalar(); | |
| 8004 e1->checkNoBool(); | |
| 8005 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8006 e = scaleFactor(sc); | |
| 8007 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8008 { | |
| 8009 #if 0 | |
| 8010 // Need to rethink this | |
| 8011 if (e1->op != TOKvar) | |
| 8012 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8013 VarDeclaration *v; | |
| 8014 Expression *ea; | |
| 8015 Expression *ex; | |
| 8016 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8017 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8018 |
| 8019 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8020 v->semantic(sc); | |
| 8021 if (!sc->insert(v)) | |
| 8022 assert(0); | |
| 8023 v->parent = sc->func; | |
| 8024 | |
| 8025 ea = new AddrExp(loc, e1); | |
| 8026 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8027 | |
| 8028 ex = new VarExp(loc, v); | |
| 8029 ex = new PtrExp(loc, ex); | |
| 8030 e = new AddExp(loc, ex, e2); | |
| 8031 e = new CastExp(loc, e, e1->type); | |
| 8032 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8033 | |
| 8034 e = new CommaExp(loc, ea, e); | |
| 8035 } | |
| 8036 else | |
| 8037 #endif | |
| 8038 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8039 // BUG: doesn't account for side effects in e1 | |
| 8040 // BUG: other assignment operators for bits aren't handled at all | |
| 8041 e = new AddExp(loc, e1, e2); | |
| 8042 e = new CastExp(loc, e, e1->type); | |
| 8043 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8044 } | |
| 8045 e = e->semantic(sc); | |
| 8046 } | |
| 8047 else | |
| 8048 { | |
| 8049 type = e1->type; | |
| 8050 typeCombine(sc); | |
| 8051 e1->checkArithmetic(); | |
| 8052 e2->checkArithmetic(); | |
| 8053 if (type->isreal() || type->isimaginary()) | |
| 8054 { | |
| 8055 assert(global.errors || e2->type->isfloating()); | |
| 8056 e2 = e2->castTo(sc, e1->type); | |
| 8057 } | |
| 8058 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8059 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8060 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8061 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8062 } |
| 8063 } | |
| 8064 return e; | |
| 8065 } | |
| 8066 | |
| 8067 /************************************************************/ | |
| 8068 | |
| 8069 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8070 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8071 { | |
| 8072 } | |
| 8073 | |
| 8074 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8075 { Expression *e; | |
| 8076 | |
| 8077 if (type) | |
| 8078 return this; | |
| 8079 | |
| 8080 BinExp::semantic(sc); | |
| 8081 e2 = resolveProperties(sc, e2); | |
| 8082 | |
| 8083 e = op_overload(sc); | |
| 8084 if (e) | |
| 8085 return e; | |
| 8086 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8087 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
|
8088 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8089 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
|
8090 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
|
8091 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
|
8092 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8093 |
| 159 | 8094 e1 = e1->modifiableLvalue(sc, e1); |
| 8095 e1->checkScalar(); | |
| 8096 e1->checkNoBool(); | |
| 8097 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8098 e = scaleFactor(sc); | |
| 8099 else | |
| 8100 { | |
| 8101 e1 = e1->checkArithmetic(); | |
| 8102 e2 = e2->checkArithmetic(); | |
| 8103 type = e1->type; | |
| 8104 typeCombine(sc); | |
| 8105 if (type->isreal() || type->isimaginary()) | |
| 8106 { | |
| 8107 assert(e2->type->isfloating()); | |
| 8108 e2 = e2->castTo(sc, e1->type); | |
| 8109 } | |
| 8110 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8111 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8112 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8113 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8114 } |
| 8115 return e; | |
| 8116 } | |
| 8117 | |
| 8118 /************************************************************/ | |
| 8119 | |
| 8120 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8121 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8122 { | |
| 8123 } | |
| 8124 | |
| 8125 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8126 { Expression *e; | |
| 8127 | |
| 8128 BinExp::semantic(sc); | |
| 8129 e2 = resolveProperties(sc, e2); | |
| 8130 | |
| 8131 e = op_overload(sc); | |
| 8132 if (e) | |
| 8133 return e; | |
| 8134 | |
| 8135 if (e1->op == TOKslice) | |
| 8136 { SliceExp *se = (SliceExp *)e1; | |
| 8137 | |
| 8138 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8139 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8140 } | |
| 8141 | |
| 8142 e1 = e1->modifiableLvalue(sc, e1); | |
| 8143 | |
| 8144 Type *tb1 = e1->type->toBasetype(); | |
| 8145 Type *tb2 = e2->type->toBasetype(); | |
| 8146 | |
| 8147 e2->rvalue(); | |
| 8148 | |
| 8149 if ((tb1->ty == Tarray) && | |
| 8150 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8151 e2->implicitConvTo(e1->type) | |
| 8152 //e1->type->next->equals(e2->type->next) | |
| 8153 ) | |
| 8154 { // Append array | |
| 8155 e2 = e2->castTo(sc, e1->type); | |
| 8156 type = e1->type; | |
| 8157 e = this; | |
| 8158 } | |
| 8159 else if ((tb1->ty == Tarray) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8160 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8161 ) |
| 8162 { // Append element | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8163 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8164 type = e1->type; |
| 8165 e = this; | |
| 8166 } | |
| 8167 else | |
| 8168 { | |
| 8169 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8170 type = Type::tint32; | |
| 8171 e = this; | |
| 8172 } | |
| 8173 return e; | |
| 8174 } | |
| 8175 | |
| 8176 /************************************************************/ | |
| 8177 | |
| 8178 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8179 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8180 { | |
| 8181 } | |
| 8182 | |
| 8183 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8184 { Expression *e; | |
| 8185 | |
| 8186 BinExp::semantic(sc); | |
| 8187 e2 = resolveProperties(sc, e2); | |
| 8188 | |
| 8189 e = op_overload(sc); | |
| 8190 if (e) | |
| 8191 return e; | |
| 8192 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8193 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
|
8194 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8195 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
|
8196 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
|
8197 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
|
8198 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8199 |
| 159 | 8200 e1 = e1->modifiableLvalue(sc, e1); |
| 8201 e1->checkScalar(); | |
| 8202 e1->checkNoBool(); | |
| 8203 type = e1->type; | |
| 8204 typeCombine(sc); | |
| 8205 e1->checkArithmetic(); | |
| 8206 e2->checkArithmetic(); | |
| 8207 if (e2->type->isfloating()) | |
| 8208 { Type *t1; | |
| 8209 Type *t2; | |
| 8210 | |
| 8211 t1 = e1->type; | |
| 8212 t2 = e2->type; | |
| 8213 if (t1->isreal()) | |
| 8214 { | |
| 8215 if (t2->isimaginary() || t2->iscomplex()) | |
| 8216 { | |
| 8217 e2 = e2->castTo(sc, t1); | |
| 8218 } | |
| 8219 } | |
| 8220 else if (t1->isimaginary()) | |
| 8221 { | |
| 8222 if (t2->isimaginary() || t2->iscomplex()) | |
| 8223 { | |
| 8224 switch (t1->ty) | |
| 8225 { | |
| 8226 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8227 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8228 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8229 default: | |
| 8230 assert(0); | |
| 8231 } | |
| 8232 e2 = e2->castTo(sc, t2); | |
| 8233 } | |
| 8234 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8235 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8236 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8237 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8238 } |
| 8239 return this; | |
| 8240 } | |
| 8241 | |
| 8242 /************************************************************/ | |
| 8243 | |
| 8244 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8245 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8246 { | |
| 8247 } | |
| 8248 | |
| 8249 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8250 { Expression *e; | |
| 8251 | |
| 8252 BinExp::semantic(sc); | |
| 8253 e2 = resolveProperties(sc, e2); | |
| 8254 | |
| 8255 e = op_overload(sc); | |
| 8256 if (e) | |
| 8257 return e; | |
| 8258 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8259 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
|
8260 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8261 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
|
8262 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
|
8263 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
|
8264 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8265 |
| 159 | 8266 e1 = e1->modifiableLvalue(sc, e1); |
| 8267 e1->checkScalar(); | |
| 8268 e1->checkNoBool(); | |
| 8269 type = e1->type; | |
| 8270 typeCombine(sc); | |
| 8271 e1->checkArithmetic(); | |
| 8272 e2->checkArithmetic(); | |
| 8273 if (e2->type->isimaginary()) | |
| 8274 { Type *t1; | |
| 8275 Type *t2; | |
| 8276 | |
| 8277 t1 = e1->type; | |
| 8278 if (t1->isreal()) | |
| 8279 { // x/iv = i(-x/v) | |
| 8280 // Therefore, the result is 0 | |
| 8281 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8282 e2->type = t1; | |
| 8283 e = new AssignExp(loc, e1, e2); | |
| 8284 e->type = t1; | |
| 8285 return e; | |
| 8286 } | |
| 8287 else if (t1->isimaginary()) | |
| 8288 { Expression *e; | |
| 8289 | |
| 8290 switch (t1->ty) | |
| 8291 { | |
| 8292 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8293 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8294 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8295 default: | |
| 8296 assert(0); | |
| 8297 } | |
| 8298 e2 = e2->castTo(sc, t2); | |
| 8299 e = new AssignExp(loc, e1, e2); | |
| 8300 e->type = t1; | |
| 8301 return e; | |
| 8302 } | |
| 8303 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8304 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8305 if (e2->type->iscomplex() && !type->iscomplex()) |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8306 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8307 |
| 159 | 8308 return this; |
| 8309 } | |
| 8310 | |
| 8311 /************************************************************/ | |
| 8312 | |
| 8313 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8314 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8315 { | |
| 8316 } | |
| 8317 | |
| 8318 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8319 { | |
| 8320 return commonSemanticAssign(sc); | |
| 8321 } | |
| 8322 | |
| 8323 /************************************************************/ | |
| 8324 | |
| 8325 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8326 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8327 { | |
| 8328 } | |
| 8329 | |
| 8330 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8331 { Expression *e; | |
| 8332 | |
| 8333 //printf("ShlAssignExp::semantic()\n"); | |
| 8334 BinExp::semantic(sc); | |
| 8335 e2 = resolveProperties(sc, e2); | |
| 8336 | |
| 8337 e = op_overload(sc); | |
| 8338 if (e) | |
| 8339 return e; | |
| 8340 | |
| 8341 e1 = e1->modifiableLvalue(sc, e1); | |
| 8342 e1->checkScalar(); | |
| 8343 e1->checkNoBool(); | |
| 8344 type = e1->type; | |
| 8345 typeCombine(sc); | |
| 8346 e1->checkIntegral(); | |
| 8347 e2 = e2->checkIntegral(); | |
| 8348 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8349 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8350 return this; |
| 8351 } | |
| 8352 | |
| 8353 /************************************************************/ | |
| 8354 | |
| 8355 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8356 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8357 { | |
| 8358 } | |
| 8359 | |
| 8360 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8361 { Expression *e; | |
| 8362 | |
| 8363 BinExp::semantic(sc); | |
| 8364 e2 = resolveProperties(sc, e2); | |
| 8365 | |
| 8366 e = op_overload(sc); | |
| 8367 if (e) | |
| 8368 return e; | |
| 8369 | |
| 8370 e1 = e1->modifiableLvalue(sc, e1); | |
| 8371 e1->checkScalar(); | |
| 8372 e1->checkNoBool(); | |
| 8373 type = e1->type; | |
| 8374 typeCombine(sc); | |
| 8375 e1->checkIntegral(); | |
| 8376 e2 = e2->checkIntegral(); | |
| 8377 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8378 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8379 return this; |
| 8380 } | |
| 8381 | |
| 8382 /************************************************************/ | |
| 8383 | |
| 8384 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8385 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8386 { | |
| 8387 } | |
| 8388 | |
| 8389 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8390 { Expression *e; | |
| 8391 | |
| 8392 BinExp::semantic(sc); | |
| 8393 e2 = resolveProperties(sc, e2); | |
| 8394 | |
| 8395 e = op_overload(sc); | |
| 8396 if (e) | |
| 8397 return e; | |
| 8398 | |
| 8399 e1 = e1->modifiableLvalue(sc, e1); | |
| 8400 e1->checkScalar(); | |
| 8401 e1->checkNoBool(); | |
| 8402 type = e1->type; | |
| 8403 typeCombine(sc); | |
| 8404 e1->checkIntegral(); | |
| 8405 e2 = e2->checkIntegral(); | |
| 8406 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8407 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8408 return this; |
| 8409 } | |
| 8410 | |
| 8411 /************************************************************/ | |
| 8412 | |
| 8413 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8414 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8415 { | |
| 8416 } | |
| 8417 | |
| 8418 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8419 { | |
| 8420 return commonSemanticAssignIntegral(sc); | |
| 8421 } | |
| 8422 | |
| 8423 /************************************************************/ | |
| 8424 | |
| 8425 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8426 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8427 { | |
| 8428 } | |
| 8429 | |
| 8430 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8431 { | |
| 8432 return commonSemanticAssignIntegral(sc); | |
| 8433 } | |
| 8434 | |
| 8435 /************************************************************/ | |
| 8436 | |
| 8437 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8438 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8439 { | |
| 8440 } | |
| 8441 | |
| 8442 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8443 { | |
| 8444 return commonSemanticAssignIntegral(sc); | |
| 8445 } | |
| 8446 | |
| 8447 /************************* AddExp *****************************/ | |
| 8448 | |
| 8449 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8450 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8451 { | |
| 8452 } | |
| 8453 | |
| 8454 Expression *AddExp::semantic(Scope *sc) | |
| 8455 { Expression *e; | |
| 8456 | |
| 8457 #if LOGSEMANTIC | |
| 8458 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8459 #endif | |
| 8460 if (!type) | |
| 8461 { | |
| 8462 BinExp::semanticp(sc); | |
| 8463 | |
| 8464 e = op_overload(sc); | |
| 8465 if (e) | |
| 8466 return e; | |
| 8467 | |
| 8468 Type *tb1 = e1->type->toBasetype(); | |
| 8469 Type *tb2 = e2->type->toBasetype(); | |
| 8470 | |
| 8471 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8472 (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
|
8473 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8474 ) |
| 8475 { | |
| 8476 type = e1->type; | |
| 8477 e = this; | |
| 8478 } | |
| 8479 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8480 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8481 e = scaleFactor(sc); | |
| 8482 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8483 { | |
| 8484 incompatibleTypes(); | |
| 8485 type = e1->type; | |
| 8486 e = this; | |
| 8487 } | |
| 8488 else | |
| 8489 { | |
| 8490 typeCombine(sc); | |
| 8491 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8492 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8493 { | |
| 8494 switch (type->toBasetype()->ty) | |
| 8495 { | |
| 8496 case Tfloat32: | |
| 8497 case Timaginary32: | |
| 8498 type = Type::tcomplex32; | |
| 8499 break; | |
| 8500 | |
| 8501 case Tfloat64: | |
| 8502 case Timaginary64: | |
| 8503 type = Type::tcomplex64; | |
| 8504 break; | |
| 8505 | |
| 8506 case Tfloat80: | |
| 8507 case Timaginary80: | |
| 8508 type = Type::tcomplex80; | |
| 8509 break; | |
| 8510 | |
| 8511 default: | |
| 8512 assert(0); | |
| 8513 } | |
| 8514 } | |
| 8515 e = this; | |
| 8516 } | |
| 8517 return e; | |
| 8518 } | |
| 8519 return this; | |
| 8520 } | |
| 8521 | |
| 8522 /************************************************************/ | |
| 8523 | |
| 8524 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8525 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8526 { | |
| 8527 } | |
| 8528 | |
| 8529 Expression *MinExp::semantic(Scope *sc) | |
| 8530 { Expression *e; | |
| 8531 Type *t1; | |
| 8532 Type *t2; | |
| 8533 | |
| 8534 #if LOGSEMANTIC | |
| 8535 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8536 #endif | |
| 8537 if (type) | |
| 8538 return this; | |
| 8539 | |
| 8540 BinExp::semanticp(sc); | |
| 8541 | |
| 8542 e = op_overload(sc); | |
| 8543 if (e) | |
| 8544 return e; | |
| 8545 | |
| 8546 e = this; | |
| 8547 t1 = e1->type->toBasetype(); | |
| 8548 t2 = e2->type->toBasetype(); | |
| 8549 if (t1->ty == Tpointer) | |
| 8550 { | |
| 8551 if (t2->ty == Tpointer) | |
| 8552 { // Need to divide the result by the stride | |
| 8553 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8554 d_int64 stride; | |
| 8555 Expression *e; | |
| 8556 | |
| 8557 typeCombine(sc); // make sure pointer types are compatible | |
| 8558 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
|
8559 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
|
8560 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
|
8561 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8562 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
|
8563 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8564 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8565 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8566 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
|
8567 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
|
8568 } |
| 159 | 8569 return e; |
| 8570 } | |
| 8571 else if (t2->isintegral()) | |
| 8572 e = scaleFactor(sc); | |
| 8573 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
|
8574 { error("incompatible types for minus"); |
| 159 | 8575 return new IntegerExp(0); |
| 8576 } | |
| 8577 } | |
| 8578 else if (t2->ty == Tpointer) | |
| 8579 { | |
| 8580 type = e2->type; | |
| 8581 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8582 return new IntegerExp(0); | |
| 8583 } | |
| 8584 else | |
| 8585 { | |
| 8586 typeCombine(sc); | |
| 8587 t1 = e1->type->toBasetype(); | |
| 8588 t2 = e2->type->toBasetype(); | |
| 8589 if ((t1->isreal() && t2->isimaginary()) || | |
| 8590 (t1->isimaginary() && t2->isreal())) | |
| 8591 { | |
| 8592 switch (type->ty) | |
| 8593 { | |
| 8594 case Tfloat32: | |
| 8595 case Timaginary32: | |
| 8596 type = Type::tcomplex32; | |
| 8597 break; | |
| 8598 | |
| 8599 case Tfloat64: | |
| 8600 case Timaginary64: | |
| 8601 type = Type::tcomplex64; | |
| 8602 break; | |
| 8603 | |
| 8604 case Tfloat80: | |
| 8605 case Timaginary80: | |
| 8606 type = Type::tcomplex80; | |
| 8607 break; | |
| 8608 | |
| 8609 default: | |
| 8610 assert(0); | |
| 8611 } | |
| 8612 } | |
| 8613 } | |
| 8614 return e; | |
| 8615 } | |
| 8616 | |
| 8617 /************************* CatExp *****************************/ | |
| 8618 | |
| 8619 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8620 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8621 { | |
| 8622 } | |
| 8623 | |
| 8624 Expression *CatExp::semantic(Scope *sc) | |
| 8625 { Expression *e; | |
| 8626 | |
| 8627 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8628 if (!type) | |
| 8629 { | |
| 8630 BinExp::semanticp(sc); | |
| 8631 e = op_overload(sc); | |
| 8632 if (e) | |
| 8633 return e; | |
| 8634 | |
| 8635 Type *tb1 = e1->type->toBasetype(); | |
| 8636 Type *tb2 = e2->type->toBasetype(); | |
| 8637 | |
| 8638 | |
| 8639 /* BUG: Should handle things like: | |
| 8640 * char c; | |
| 8641 * c ~ ' ' | |
| 8642 * ' ' ~ c; | |
| 8643 */ | |
| 8644 | |
| 8645 #if 0 | |
| 8646 e1->type->print(); | |
| 8647 e2->type->print(); | |
| 8648 #endif | |
| 8649 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8650 e2->type->equals(tb1->next)) | |
| 8651 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8652 type = tb1->nextOf()->arrayOf(); |
| 159 | 8653 if (tb2->ty == Tarray) |
| 8654 { // Make e2 into [e2] | |
| 8655 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8656 e2->type = type; | |
| 8657 } | |
| 8658 return this; | |
| 8659 } | |
| 8660 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8661 e1->type->equals(tb2->next)) | |
| 8662 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8663 type = tb2->nextOf()->arrayOf(); |
| 159 | 8664 if (tb1->ty == Tarray) |
| 8665 { // Make e1 into [e1] | |
| 8666 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8667 e1->type = type; | |
| 8668 } | |
| 8669 return this; | |
| 8670 } | |
| 8671 | |
| 8672 typeCombine(sc); | |
| 8673 | |
| 8674 if (type->toBasetype()->ty == Tsarray) | |
| 8675 type = type->toBasetype()->next->arrayOf(); | |
| 8676 #if 0 | |
| 8677 e1->type->print(); | |
| 8678 e2->type->print(); | |
| 8679 type->print(); | |
| 8680 print(); | |
| 8681 #endif | |
| 8682 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8683 e = optimize(WANTvalue); | |
| 8684 else if (e1->type->equals(e2->type) && | |
| 8685 (e1->type->toBasetype()->ty == Tarray || | |
| 8686 e1->type->toBasetype()->ty == Tsarray)) | |
| 8687 { | |
| 8688 e = this; | |
| 8689 } | |
| 8690 else | |
| 8691 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8692 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8693 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8694 e1->type->toChars(), e2->type->toChars()); | |
| 8695 type = Type::tint32; | |
| 8696 e = this; | |
| 8697 } | |
| 8698 e->type = e->type->semantic(loc, sc); | |
| 8699 return e; | |
| 8700 } | |
| 8701 return this; | |
| 8702 } | |
| 8703 | |
| 8704 /************************************************************/ | |
| 8705 | |
| 8706 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8707 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8708 { | |
| 8709 } | |
| 8710 | |
| 8711 Expression *MulExp::semantic(Scope *sc) | |
| 8712 { Expression *e; | |
| 8713 | |
| 8714 #if 0 | |
| 8715 printf("MulExp::semantic() %s\n", toChars()); | |
| 8716 #endif | |
| 8717 if (type) | |
| 8718 { | |
| 8719 return this; | |
| 8720 } | |
| 8721 | |
| 8722 BinExp::semanticp(sc); | |
| 8723 e = op_overload(sc); | |
| 8724 if (e) | |
| 8725 return e; | |
| 8726 | |
| 8727 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
|
8728 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
|
8729 { 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
|
8730 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
|
8731 } |
| 159 | 8732 if (type->isfloating()) |
| 8733 { Type *t1 = e1->type; | |
| 8734 Type *t2 = e2->type; | |
| 8735 | |
| 8736 if (t1->isreal()) | |
| 8737 { | |
| 8738 type = t2; | |
| 8739 } | |
| 8740 else if (t2->isreal()) | |
| 8741 { | |
| 8742 type = t1; | |
| 8743 } | |
| 8744 else if (t1->isimaginary()) | |
| 8745 { | |
| 8746 if (t2->isimaginary()) | |
| 8747 { Expression *e; | |
| 8748 | |
| 8749 switch (t1->ty) | |
| 8750 { | |
| 8751 case Timaginary32: type = Type::tfloat32; break; | |
| 8752 case Timaginary64: type = Type::tfloat64; break; | |
| 8753 case Timaginary80: type = Type::tfloat80; break; | |
| 8754 default: assert(0); | |
| 8755 } | |
| 8756 | |
| 8757 // iy * iv = -yv | |
| 8758 e1->type = type; | |
| 8759 e2->type = type; | |
| 8760 e = new NegExp(loc, this); | |
| 8761 e = e->semantic(sc); | |
| 8762 return e; | |
| 8763 } | |
| 8764 else | |
| 8765 type = t2; // t2 is complex | |
| 8766 } | |
| 8767 else if (t2->isimaginary()) | |
| 8768 { | |
| 8769 type = t1; // t1 is complex | |
| 8770 } | |
| 8771 } | |
| 8772 return this; | |
| 8773 } | |
| 8774 | |
| 8775 /************************************************************/ | |
| 8776 | |
| 8777 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8778 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8779 { | |
| 8780 } | |
| 8781 | |
| 8782 Expression *DivExp::semantic(Scope *sc) | |
| 8783 { Expression *e; | |
| 8784 | |
| 8785 if (type) | |
| 8786 return this; | |
| 8787 | |
| 8788 BinExp::semanticp(sc); | |
| 8789 e = op_overload(sc); | |
| 8790 if (e) | |
| 8791 return e; | |
| 8792 | |
| 8793 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
|
8794 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
|
8795 { 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
|
8796 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
|
8797 } |
| 159 | 8798 if (type->isfloating()) |
| 8799 { Type *t1 = e1->type; | |
| 8800 Type *t2 = e2->type; | |
| 8801 | |
| 8802 if (t1->isreal()) | |
| 8803 { | |
| 8804 type = t2; | |
| 8805 if (t2->isimaginary()) | |
| 8806 { Expression *e; | |
| 8807 | |
| 8808 // x/iv = i(-x/v) | |
| 8809 e2->type = t1; | |
| 8810 e = new NegExp(loc, this); | |
| 8811 e = e->semantic(sc); | |
| 8812 return e; | |
| 8813 } | |
| 8814 } | |
| 8815 else if (t2->isreal()) | |
| 8816 { | |
| 8817 type = t1; | |
| 8818 } | |
| 8819 else if (t1->isimaginary()) | |
| 8820 { | |
| 8821 if (t2->isimaginary()) | |
| 8822 { | |
| 8823 switch (t1->ty) | |
| 8824 { | |
| 8825 case Timaginary32: type = Type::tfloat32; break; | |
| 8826 case Timaginary64: type = Type::tfloat64; break; | |
| 8827 case Timaginary80: type = Type::tfloat80; break; | |
| 8828 default: assert(0); | |
| 8829 } | |
| 8830 } | |
| 8831 else | |
| 8832 type = t2; // t2 is complex | |
| 8833 } | |
| 8834 else if (t2->isimaginary()) | |
| 8835 { | |
| 8836 type = t1; // t1 is complex | |
| 8837 } | |
| 8838 } | |
| 8839 return this; | |
| 8840 } | |
| 8841 | |
| 8842 /************************************************************/ | |
| 8843 | |
| 8844 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8845 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8846 { | |
| 8847 } | |
| 8848 | |
| 8849 Expression *ModExp::semantic(Scope *sc) | |
| 8850 { Expression *e; | |
| 8851 | |
| 8852 if (type) | |
| 8853 return this; | |
| 8854 | |
| 8855 BinExp::semanticp(sc); | |
| 8856 e = op_overload(sc); | |
| 8857 if (e) | |
| 8858 return e; | |
| 8859 | |
| 8860 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
|
8861 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
|
8862 { 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
|
8863 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
|
8864 } |
| 159 | 8865 if (type->isfloating()) |
| 8866 { type = e1->type; | |
| 8867 if (e2->type->iscomplex()) | |
| 8868 { error("cannot perform modulo complex arithmetic"); | |
| 8869 return new IntegerExp(0); | |
| 8870 } | |
| 8871 } | |
| 8872 return this; | |
| 8873 } | |
| 8874 | |
| 8875 /************************************************************/ | |
| 8876 | |
| 8877 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8878 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8879 { | |
| 8880 } | |
| 8881 | |
| 8882 Expression *ShlExp::semantic(Scope *sc) | |
| 8883 { Expression *e; | |
| 8884 | |
| 8885 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8886 if (!type) | |
| 8887 { BinExp::semanticp(sc); | |
| 8888 e = op_overload(sc); | |
| 8889 if (e) | |
| 8890 return e; | |
| 8891 e1 = e1->checkIntegral(); | |
| 8892 e2 = e2->checkIntegral(); | |
| 8893 e1 = e1->integralPromotions(sc); | |
| 8894 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8895 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8896 type = e1->type; |
| 8897 } | |
| 8898 return this; | |
| 8899 } | |
| 8900 | |
| 8901 /************************************************************/ | |
| 8902 | |
| 8903 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8904 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8905 { | |
| 8906 } | |
| 8907 | |
| 8908 Expression *ShrExp::semantic(Scope *sc) | |
| 8909 { Expression *e; | |
| 8910 | |
| 8911 if (!type) | |
| 8912 { BinExp::semanticp(sc); | |
| 8913 e = op_overload(sc); | |
| 8914 if (e) | |
| 8915 return e; | |
| 8916 e1 = e1->checkIntegral(); | |
| 8917 e2 = e2->checkIntegral(); | |
| 8918 e1 = e1->integralPromotions(sc); | |
| 8919 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8920 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8921 type = e1->type; |
| 8922 } | |
| 8923 return this; | |
| 8924 } | |
| 8925 | |
| 8926 /************************************************************/ | |
| 8927 | |
| 8928 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8929 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8930 { | |
| 8931 } | |
| 8932 | |
| 8933 Expression *UshrExp::semantic(Scope *sc) | |
| 8934 { Expression *e; | |
| 8935 | |
| 8936 if (!type) | |
| 8937 { BinExp::semanticp(sc); | |
| 8938 e = op_overload(sc); | |
| 8939 if (e) | |
| 8940 return e; | |
| 8941 e1 = e1->checkIntegral(); | |
| 8942 e2 = e2->checkIntegral(); | |
| 8943 e1 = e1->integralPromotions(sc); | |
| 8944 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8945 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8946 type = e1->type; |
| 8947 } | |
| 8948 return this; | |
| 8949 } | |
| 8950 | |
| 8951 /************************************************************/ | |
| 8952 | |
| 8953 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8954 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8955 { | |
| 8956 } | |
| 8957 | |
| 8958 Expression *AndExp::semantic(Scope *sc) | |
| 8959 { Expression *e; | |
| 8960 | |
| 8961 if (!type) | |
| 8962 { BinExp::semanticp(sc); | |
| 8963 e = op_overload(sc); | |
| 8964 if (e) | |
| 8965 return e; | |
| 8966 if (e1->type->toBasetype()->ty == Tbool && | |
| 8967 e2->type->toBasetype()->ty == Tbool) | |
| 8968 { | |
| 8969 type = e1->type; | |
| 8970 e = this; | |
| 8971 } | |
| 8972 else | |
| 8973 { | |
| 8974 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
|
8975 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
|
8976 { 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
|
8977 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
|
8978 } |
| 159 | 8979 } |
| 8980 } | |
| 8981 return this; | |
| 8982 } | |
| 8983 | |
| 8984 /************************************************************/ | |
| 8985 | |
| 8986 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8987 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8988 { | |
| 8989 } | |
| 8990 | |
| 8991 Expression *OrExp::semantic(Scope *sc) | |
| 8992 { Expression *e; | |
| 8993 | |
| 8994 if (!type) | |
| 8995 { BinExp::semanticp(sc); | |
| 8996 e = op_overload(sc); | |
| 8997 if (e) | |
| 8998 return e; | |
| 8999 if (e1->type->toBasetype()->ty == Tbool && | |
| 9000 e2->type->toBasetype()->ty == Tbool) | |
| 9001 { | |
| 9002 type = e1->type; | |
| 9003 e = this; | |
| 9004 } | |
| 9005 else | |
| 9006 { | |
| 9007 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
|
9008 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
|
9009 { 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
|
9010 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
|
9011 } |
| 159 | 9012 } |
| 9013 } | |
| 9014 return this; | |
| 9015 } | |
| 9016 | |
| 9017 /************************************************************/ | |
| 9018 | |
| 9019 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9020 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9021 { | |
| 9022 } | |
| 9023 | |
| 9024 Expression *XorExp::semantic(Scope *sc) | |
| 9025 { Expression *e; | |
| 9026 | |
| 9027 if (!type) | |
| 9028 { BinExp::semanticp(sc); | |
| 9029 e = op_overload(sc); | |
| 9030 if (e) | |
| 9031 return e; | |
| 9032 if (e1->type->toBasetype()->ty == Tbool && | |
| 9033 e2->type->toBasetype()->ty == Tbool) | |
| 9034 { | |
| 9035 type = e1->type; | |
| 9036 e = this; | |
| 9037 } | |
| 9038 else | |
| 9039 { | |
| 9040 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
|
9041 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
|
9042 { 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
|
9043 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
|
9044 } |
| 159 | 9045 } |
| 9046 } | |
| 9047 return this; | |
| 9048 } | |
| 9049 | |
| 9050 | |
| 9051 /************************************************************/ | |
| 9052 | |
| 9053 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9054 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9055 { | |
| 9056 } | |
| 9057 | |
| 9058 Expression *OrOrExp::semantic(Scope *sc) | |
| 9059 { | |
| 9060 unsigned cs1; | |
| 9061 | |
| 9062 // same as for AndAnd | |
| 9063 e1 = e1->semantic(sc); | |
| 9064 e1 = resolveProperties(sc, e1); | |
| 9065 e1 = e1->checkToPointer(); | |
| 9066 e1 = e1->checkToBoolean(); | |
| 9067 cs1 = sc->callSuper; | |
| 9068 | |
| 9069 if (sc->flags & SCOPEstaticif) | |
| 9070 { | |
| 9071 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9072 */ | |
| 9073 e1 = e1->optimize(WANTflags); | |
| 9074 if (e1->isBool(TRUE)) | |
| 9075 { | |
| 9076 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9077 } | |
| 9078 } | |
| 9079 | |
| 9080 e2 = e2->semantic(sc); | |
| 9081 sc->mergeCallSuper(loc, cs1); | |
| 9082 e2 = resolveProperties(sc, e2); | |
| 9083 e2 = e2->checkToPointer(); | |
| 9084 | |
| 9085 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
|
9086 if (e2->type->ty == Tvoid) |
| 159 | 9087 type = Type::tvoid; |
| 9088 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9089 error("%s is not an expression", e2->toChars()); | |
| 9090 return this; | |
| 9091 } | |
| 9092 | |
| 9093 Expression *OrOrExp::checkToBoolean() | |
| 9094 { | |
| 9095 e2 = e2->checkToBoolean(); | |
| 9096 return this; | |
| 9097 } | |
| 9098 | |
| 9099 int OrOrExp::isBit() | |
| 9100 { | |
| 9101 return TRUE; | |
| 9102 } | |
| 9103 | |
| 9104 int OrOrExp::checkSideEffect(int flag) | |
| 9105 { | |
| 9106 if (flag == 2) | |
| 9107 { | |
| 9108 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9109 } | |
| 9110 else | |
| 9111 { e1->checkSideEffect(1); | |
| 9112 return e2->checkSideEffect(flag); | |
| 9113 } | |
| 9114 } | |
| 9115 | |
| 9116 /************************************************************/ | |
| 9117 | |
| 9118 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9119 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9120 { | |
| 9121 } | |
| 9122 | |
| 9123 Expression *AndAndExp::semantic(Scope *sc) | |
| 9124 { | |
| 9125 unsigned cs1; | |
| 9126 | |
| 9127 // same as for OrOr | |
| 9128 e1 = e1->semantic(sc); | |
| 9129 e1 = resolveProperties(sc, e1); | |
| 9130 e1 = e1->checkToPointer(); | |
| 9131 e1 = e1->checkToBoolean(); | |
| 9132 cs1 = sc->callSuper; | |
| 9133 | |
| 9134 if (sc->flags & SCOPEstaticif) | |
| 9135 { | |
| 9136 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9137 */ | |
| 9138 e1 = e1->optimize(WANTflags); | |
| 9139 if (e1->isBool(FALSE)) | |
| 9140 { | |
| 9141 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9142 } | |
| 9143 } | |
| 9144 | |
| 9145 e2 = e2->semantic(sc); | |
| 9146 sc->mergeCallSuper(loc, cs1); | |
| 9147 e2 = resolveProperties(sc, e2); | |
| 9148 e2 = e2->checkToPointer(); | |
| 9149 | |
| 9150 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
|
9151 if (e2->type->ty == Tvoid) |
| 159 | 9152 type = Type::tvoid; |
| 9153 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9154 error("%s is not an expression", e2->toChars()); | |
| 9155 return this; | |
| 9156 } | |
| 9157 | |
| 9158 Expression *AndAndExp::checkToBoolean() | |
| 9159 { | |
| 9160 e2 = e2->checkToBoolean(); | |
| 9161 return this; | |
| 9162 } | |
| 9163 | |
| 9164 int AndAndExp::isBit() | |
| 9165 { | |
| 9166 return TRUE; | |
| 9167 } | |
| 9168 | |
| 9169 int AndAndExp::checkSideEffect(int flag) | |
| 9170 { | |
| 9171 if (flag == 2) | |
| 9172 { | |
| 9173 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9174 } | |
| 9175 else | |
| 9176 { | |
| 9177 e1->checkSideEffect(1); | |
| 9178 return e2->checkSideEffect(flag); | |
| 9179 } | |
| 9180 } | |
| 9181 | |
| 9182 /************************************************************/ | |
| 9183 | |
| 9184 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9185 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9186 { | |
| 9187 } | |
| 9188 | |
| 9189 Expression *InExp::semantic(Scope *sc) | |
| 9190 { Expression *e; | |
| 9191 | |
| 9192 if (type) | |
| 9193 return this; | |
| 9194 | |
| 9195 BinExp::semanticp(sc); | |
| 9196 e = op_overload(sc); | |
| 9197 if (e) | |
| 9198 return e; | |
| 9199 | |
| 9200 //type = Type::tboolean; | |
| 9201 Type *t2b = e2->type->toBasetype(); | |
| 9202 if (t2b->ty != Taarray) | |
| 9203 { | |
| 9204 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9205 type = Type::terror; | |
| 9206 } | |
| 9207 else | |
| 9208 { | |
| 9209 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9210 | |
| 9211 // Convert key to type of key | |
| 9212 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9213 | |
| 9214 // Return type is pointer to value | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9215 type = ta->nextOf()->pointerTo(); |
| 159 | 9216 } |
| 9217 return this; | |
| 9218 } | |
| 9219 | |
| 9220 int InExp::isBit() | |
| 9221 { | |
| 9222 return FALSE; | |
| 9223 } | |
| 9224 | |
| 9225 | |
| 9226 /************************************************************/ | |
| 9227 | |
| 9228 /* This deletes the key e1 from the associative array e2 | |
| 9229 */ | |
| 9230 | |
| 9231 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9232 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9233 { | |
| 9234 type = Type::tvoid; | |
| 9235 } | |
| 9236 | |
| 9237 /************************************************************/ | |
| 9238 | |
| 9239 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9240 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9241 { | |
| 9242 } | |
| 9243 | |
| 9244 Expression *CmpExp::semantic(Scope *sc) | |
| 9245 { Expression *e; | |
| 9246 Type *t1; | |
| 9247 Type *t2; | |
| 9248 | |
| 9249 #if LOGSEMANTIC | |
| 9250 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9251 #endif | |
| 9252 if (type) | |
| 9253 return this; | |
| 9254 | |
| 9255 BinExp::semanticp(sc); | |
| 9256 | |
| 9257 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9258 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9259 { | |
| 9260 error("do not use null when comparing class types"); | |
| 9261 } | |
| 9262 | |
| 9263 e = op_overload(sc); | |
| 9264 if (e) | |
| 9265 { | |
| 9266 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9267 e = e->semantic(sc); | |
| 9268 return e; | |
| 9269 } | |
| 9270 | |
| 9271 typeCombine(sc); | |
| 9272 type = Type::tboolean; | |
| 9273 | |
| 9274 // Special handling for array comparisons | |
| 9275 t1 = e1->type->toBasetype(); | |
| 9276 t2 = e2->type->toBasetype(); | |
| 9277 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9278 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9279 { | |
| 9280 if (!t1->next->equals(t2->next)) | |
| 9281 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9282 e = this; | |
| 9283 } | |
| 9284 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9285 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9286 { | |
| 9287 if (t2->ty == Tstruct) | |
| 9288 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9289 else | |
| 9290 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9291 e = this; | |
| 9292 } | |
| 9293 #if 1 | |
| 9294 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9295 { | |
| 9296 error("compare not defined for complex operands"); | |
| 9297 e = new IntegerExp(0); | |
| 9298 } | |
| 9299 #endif | |
| 9300 else | |
| 9301 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
|
9302 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9303 return e; |
| 9304 } | |
| 9305 | |
| 9306 int CmpExp::isBit() | |
| 9307 { | |
| 9308 return TRUE; | |
| 9309 } | |
| 9310 | |
| 9311 | |
| 9312 /************************************************************/ | |
| 9313 | |
| 9314 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9315 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9316 { | |
| 9317 assert(op == TOKequal || op == TOKnotequal); | |
| 9318 } | |
| 9319 | |
| 9320 Expression *EqualExp::semantic(Scope *sc) | |
| 9321 { Expression *e; | |
| 9322 Type *t1; | |
| 9323 Type *t2; | |
| 9324 | |
| 9325 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9326 if (type) | |
| 9327 return this; | |
| 9328 | |
| 9329 BinExp::semanticp(sc); | |
| 9330 | |
| 9331 /* Before checking for operator overloading, check to see if we're | |
| 9332 * comparing the addresses of two statics. If so, we can just see | |
| 9333 * if they are the same symbol. | |
| 9334 */ | |
| 9335 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9336 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9337 AddrExp *ae2 = (AddrExp *)e2; | |
| 9338 | |
| 9339 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9340 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9341 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9342 | |
| 9343 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9344 { | |
| 9345 // They are the same, result is 'true' for ==, 'false' for != | |
| 9346 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9347 return e; | |
| 9348 } | |
| 9349 } | |
| 9350 } | |
| 9351 | |
| 9352 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9353 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9354 { | |
| 9355 error("use '%s' instead of '%s' when comparing with null", | |
| 9356 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9357 Token::toChars(op)); | |
| 9358 } | |
| 9359 | |
| 9360 //if (e2->op != TOKnull) | |
| 9361 { | |
| 9362 e = op_overload(sc); | |
| 9363 if (e) | |
| 9364 { | |
| 9365 if (op == TOKnotequal) | |
| 9366 { | |
| 9367 e = new NotExp(e->loc, e); | |
| 9368 e = e->semantic(sc); | |
| 9369 } | |
| 9370 return e; | |
| 9371 } | |
| 9372 } | |
| 9373 | |
| 9374 e = typeCombine(sc); | |
| 9375 type = Type::tboolean; | |
| 9376 | |
| 9377 // Special handling for array comparisons | |
| 9378 t1 = e1->type->toBasetype(); | |
| 9379 t2 = e2->type->toBasetype(); | |
| 9380 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9381 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9382 { | |
| 9383 if (!t1->next->equals(t2->next)) | |
| 9384 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9385 } | |
| 9386 else | |
| 9387 { | |
| 9388 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9389 { | |
| 9390 // Cast both to complex | |
| 9391 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9392 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9393 } | |
| 9394 } | |
| 9395 return e; | |
| 9396 } | |
| 9397 | |
| 9398 int EqualExp::isBit() | |
| 9399 { | |
| 9400 return TRUE; | |
| 9401 } | |
| 9402 | |
| 9403 | |
| 9404 | |
| 9405 /************************************************************/ | |
| 9406 | |
| 9407 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9408 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9409 { | |
| 9410 } | |
| 9411 | |
| 9412 Expression *IdentityExp::semantic(Scope *sc) | |
| 9413 { | |
| 9414 if (type) | |
| 9415 return this; | |
| 9416 | |
| 9417 BinExp::semanticp(sc); | |
| 9418 type = Type::tboolean; | |
| 9419 typeCombine(sc); | |
| 9420 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9421 { | |
| 9422 // Cast both to complex | |
| 9423 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9424 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9425 } | |
| 9426 return this; | |
| 9427 } | |
| 9428 | |
| 9429 int IdentityExp::isBit() | |
| 9430 { | |
| 9431 return TRUE; | |
| 9432 } | |
| 9433 | |
| 9434 | |
| 9435 /****************************************************************/ | |
| 9436 | |
| 9437 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9438 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9439 { | |
| 9440 this->econd = econd; | |
| 9441 } | |
| 9442 | |
| 9443 Expression *CondExp::syntaxCopy() | |
| 9444 { | |
| 9445 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9446 } | |
| 9447 | |
| 9448 | |
| 9449 Expression *CondExp::semantic(Scope *sc) | |
| 9450 { Type *t1; | |
| 9451 Type *t2; | |
| 9452 unsigned cs0; | |
| 9453 unsigned cs1; | |
| 9454 | |
| 9455 #if LOGSEMANTIC | |
| 9456 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9457 #endif | |
| 9458 if (type) | |
| 9459 return this; | |
| 9460 | |
| 9461 econd = econd->semantic(sc); | |
| 9462 econd = resolveProperties(sc, econd); | |
| 9463 econd = econd->checkToPointer(); | |
| 9464 econd = econd->checkToBoolean(); | |
| 9465 | |
| 9466 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9467 * both contribute to the type of the result. | |
| 9468 */ | |
| 9469 if (sc->flags & SCOPEstaticif) | |
| 9470 { | |
| 9471 /* If in static if, don't evaluate what we don't have to. | |
| 9472 */ | |
| 9473 econd = econd->optimize(WANTflags); | |
| 9474 if (econd->isBool(TRUE)) | |
| 9475 { | |
| 9476 e1 = e1->semantic(sc); | |
| 9477 e1 = resolveProperties(sc, e1); | |
| 9478 return e1; | |
| 9479 } | |
| 9480 else if (econd->isBool(FALSE)) | |
| 9481 { | |
| 9482 e2 = e2->semantic(sc); | |
| 9483 e2 = resolveProperties(sc, e2); | |
| 9484 return e2; | |
| 9485 } | |
| 9486 } | |
| 9487 #endif | |
| 9488 | |
| 9489 | |
| 9490 cs0 = sc->callSuper; | |
| 9491 e1 = e1->semantic(sc); | |
| 9492 e1 = resolveProperties(sc, e1); | |
| 9493 cs1 = sc->callSuper; | |
| 9494 sc->callSuper = cs0; | |
| 9495 e2 = e2->semantic(sc); | |
| 9496 e2 = resolveProperties(sc, e2); | |
| 9497 sc->mergeCallSuper(loc, cs1); | |
| 9498 | |
| 9499 | |
| 9500 // If either operand is void, the result is void | |
| 9501 t1 = e1->type; | |
| 9502 t2 = e2->type; | |
| 9503 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9504 type = Type::tvoid; | |
| 9505 else if (t1 == t2) | |
| 9506 type = t1; | |
| 9507 else | |
| 9508 { | |
| 9509 typeCombine(sc); | |
| 9510 switch (e1->type->toBasetype()->ty) | |
| 9511 { | |
| 9512 case Tcomplex32: | |
| 9513 case Tcomplex64: | |
| 9514 case Tcomplex80: | |
| 9515 e2 = e2->castTo(sc, e1->type); | |
| 9516 break; | |
| 9517 } | |
| 9518 switch (e2->type->toBasetype()->ty) | |
| 9519 { | |
| 9520 case Tcomplex32: | |
| 9521 case Tcomplex64: | |
| 9522 case Tcomplex80: | |
| 9523 e1 = e1->castTo(sc, e2->type); | |
| 9524 break; | |
| 9525 } | |
| 9526 } | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9527 #if 0 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9528 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9529 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9530 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9531 #endif |
| 159 | 9532 return this; |
| 9533 } | |
| 9534 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9535 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9536 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9537 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9538 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9539 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9540 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9541 |
| 159 | 9542 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9543 { | |
| 9544 PtrExp *e; | |
| 9545 | |
| 9546 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9547 e = new PtrExp(loc, this, type); | |
| 9548 | |
| 9549 e1 = e1->addressOf(sc); | |
| 9550 //e1 = e1->toLvalue(sc, NULL); | |
| 9551 | |
| 9552 e2 = e2->addressOf(sc); | |
| 9553 //e2 = e2->toLvalue(sc, NULL); | |
| 9554 | |
| 9555 typeCombine(sc); | |
| 9556 | |
| 9557 type = e2->type; | |
| 9558 return e; | |
| 9559 } | |
| 9560 | |
| 9561 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9562 { | |
| 9563 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9564 return this; | |
| 9565 } | |
| 9566 | |
| 9567 void CondExp::checkEscape() | |
| 9568 { | |
| 9569 e1->checkEscape(); | |
| 9570 e2->checkEscape(); | |
| 9571 } | |
| 9572 | |
| 9573 | |
| 9574 Expression *CondExp::checkToBoolean() | |
| 9575 { | |
| 9576 e1 = e1->checkToBoolean(); | |
| 9577 e2 = e2->checkToBoolean(); | |
| 9578 return this; | |
| 9579 } | |
| 9580 | |
| 9581 int CondExp::checkSideEffect(int flag) | |
| 9582 { | |
| 9583 if (flag == 2) | |
| 9584 { | |
| 9585 return econd->checkSideEffect(2) || | |
| 9586 e1->checkSideEffect(2) || | |
| 9587 e2->checkSideEffect(2); | |
| 9588 } | |
| 9589 else | |
| 9590 { | |
| 9591 econd->checkSideEffect(1); | |
| 9592 e1->checkSideEffect(flag); | |
| 9593 return e2->checkSideEffect(flag); | |
| 9594 } | |
| 9595 } | |
| 9596 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9597 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
9598 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9599 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9600 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9601 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9602 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9603 |
| 159 | 9604 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9605 { | |
| 9606 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9607 buf->writestring(" ? "); | |
| 9608 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9609 buf->writestring(" : "); | |
| 9610 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9611 } | |
| 9612 | |
|
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
|
9613 /************************************************************/ |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9614 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9615 #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
|
9616 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9617 // 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
|
9618 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9619 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
|
9620 : 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
|
9621 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9622 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
|
9623 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
|
9624 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9625 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9626 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
|
9627 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9628 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
|
9629 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
|
9630 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
|
9631 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9632 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9633 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
|
9634 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9635 // 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
|
9636 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
|
9637 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9638 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9639 #endif |