Mercurial > projects > ldc
annotate dmd/expression.c @ 1132:76e72fdef04d
Fix tuple declarations in aggregates.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Mon, 23 Mar 2009 14:47:51 +0100 |
| parents | e7f0c2b48047 |
| children | eeb8b95ea92e |
| 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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Merged DMD 1.034, array operations are not yet implemented ;)
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410 */ |
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411 |
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412 #if DMDV2 |
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413 int arrayExpressionCanThrow(Expressions *exps) |
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414 { |
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415 if (exps) |
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416 { |
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417 for (size_t i = 0; i < exps->dim; i++) |
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418 { Expression *e = (Expression *)exps->data[i]; |
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419 if (e && e->canThrow()) |
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420 return 1; |
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421 } |
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422 } |
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423 return 0; |
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424 } |
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425 #endif |
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426 |
| 159 | 427 /**************************************** |
| 428 * Expand tuples. | |
| 429 */ | |
| 430 | |
| 431 void expandTuples(Expressions *exps) | |
| 432 { | |
| 433 //printf("expandTuples()\n"); | |
| 434 if (exps) | |
| 435 { | |
| 436 for (size_t i = 0; i < exps->dim; i++) | |
| 437 { Expression *arg = (Expression *)exps->data[i]; | |
| 438 if (!arg) | |
| 439 continue; | |
| 440 | |
| 441 // Look for tuple with 0 members | |
| 442 if (arg->op == TOKtype) | |
| 443 { TypeExp *e = (TypeExp *)arg; | |
| 444 if (e->type->toBasetype()->ty == Ttuple) | |
| 445 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 446 | |
| 447 if (!tt->arguments || tt->arguments->dim == 0) | |
| 448 { | |
| 449 exps->remove(i); | |
| 450 if (i == exps->dim) | |
| 451 return; | |
| 452 i--; | |
| 453 continue; | |
| 454 } | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 // Inline expand all the tuples | |
| 459 while (arg->op == TOKtuple) | |
| 460 { TupleExp *te = (TupleExp *)arg; | |
| 461 | |
| 462 exps->remove(i); // remove arg | |
| 463 exps->insert(i, te->exps); // replace with tuple contents | |
| 464 if (i == exps->dim) | |
| 465 return; // empty tuple, no more arguments | |
| 466 arg = (Expression *)exps->data[i]; | |
| 467 } | |
| 468 } | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 /**************************************** | |
| 473 * Preprocess arguments to function. | |
| 474 */ | |
| 475 | |
| 476 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 477 { | |
| 478 if (exps) | |
| 479 { | |
| 480 expandTuples(exps); | |
| 481 | |
| 482 for (size_t i = 0; i < exps->dim; i++) | |
| 483 { Expression *arg = (Expression *)exps->data[i]; | |
| 484 | |
| 485 if (!arg->type) | |
| 486 { | |
| 487 #ifdef DEBUG | |
| 488 if (!global.gag) | |
| 489 printf("1: \n"); | |
| 490 #endif | |
| 491 arg->error("%s is not an expression", arg->toChars()); | |
| 492 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 493 } | |
| 494 | |
| 495 arg = resolveProperties(sc, arg); | |
| 496 exps->data[i] = (void *) arg; | |
| 497 | |
| 498 //arg->rvalue(); | |
| 499 #if 0 | |
| 500 if (arg->type->ty == Tfunction) | |
| 501 { | |
| 502 arg = new AddrExp(arg->loc, arg); | |
| 503 arg = arg->semantic(sc); | |
| 504 exps->data[i] = (void *) arg; | |
| 505 } | |
| 506 #endif | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 | |
| 336 | 511 /********************************************* |
| 512 * Call copy constructor for struct value argument. | |
| 513 */ | |
| 514 #if DMDV2 | |
| 515 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 516 { | |
| 517 Type *tb = e->type->toBasetype(); | |
| 518 assert(tb->ty == Tstruct); | |
| 519 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 520 if (sd->cpctor) | |
| 521 { | |
| 522 /* Create a variable tmp, and replace the argument e with: | |
| 523 * (tmp = e),tmp | |
| 524 * and let AssignExp() handle the construction. | |
| 525 * This is not the most efficent, ideally tmp would be constructed | |
| 526 * directly onto the stack. | |
| 527 */ | |
| 528 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 529 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 530 Expression *ae = new DeclarationExp(loc, tmp); | |
| 531 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 532 e = e->semantic(sc); | |
| 533 } | |
| 534 return e; | |
| 535 } | |
| 536 #endif | |
| 159 | 537 |
| 538 /**************************************** | |
| 539 * Now that we know the exact type of the function we're calling, | |
| 540 * the arguments[] need to be adjusted: | |
|
510
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541 * 1. implicitly convert argument to the corresponding parameter type |
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542 * 2. add default arguments for any missing arguments |
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543 * 3. do default promotions on arguments corresponding to ... |
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544 * 4. add hidden _arguments[] argument |
| 159 | 545 */ |
| 546 | |
| 547 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 548 { | |
| 549 unsigned n; | |
| 550 | |
| 551 //printf("functionArguments()\n"); | |
| 552 assert(arguments); | |
| 553 size_t nargs = arguments ? arguments->dim : 0; | |
| 554 size_t nparams = Argument::dim(tf->parameters); | |
| 555 | |
| 556 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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557 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 558 |
| 559 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 560 | |
|
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561 int done = 0; |
| 159 | 562 for (size_t i = 0; i < n; i++) |
| 563 { | |
| 564 Expression *arg; | |
| 565 | |
| 566 if (i < nargs) | |
| 567 arg = (Expression *)arguments->data[i]; | |
| 568 else | |
| 569 arg = NULL; | |
|
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570 Type *tb; |
| 159 | 571 |
| 572 if (i < nparams) | |
| 573 { | |
| 574 Argument *p = Argument::getNth(tf->parameters, i); | |
| 575 | |
| 576 if (!arg) | |
| 577 { | |
| 578 if (!p->defaultArg) | |
| 579 { | |
| 580 if (tf->varargs == 2 && i + 1 == nparams) | |
| 581 goto L2; | |
|
1103
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- Updated to DMD frontend 1.041.
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582 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 583 break; |
| 584 } | |
| 336 | 585 arg = p->defaultArg; |
| 586 #if DMDV2 | |
| 587 if (arg->op == TOKdefault) | |
| 588 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 589 arg = de->resolve(loc, sc); | |
| 590 } | |
| 591 else | |
| 592 #endif | |
| 593 arg = arg->copy(); | |
| 159 | 594 arguments->push(arg); |
| 595 nargs++; | |
| 596 } | |
| 597 | |
| 598 if (tf->varargs == 2 && i + 1 == nparams) | |
| 599 { | |
| 600 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 601 if (arg->implicitConvTo(p->type)) | |
| 602 { | |
| 603 if (nargs != nparams) | |
|
1103
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- Updated to DMD frontend 1.041.
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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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Merged DMD 1.038
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diff
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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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diff
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|
643 AssignExp *ae = new AssignExp(loc, e, a); |
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644 #if DMDV2 |
|
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|
645 ae->op = TOKconstruct; |
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diff
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646 #endif |
| 159 | 647 if (c) |
|
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diff
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|
648 c = new CommaExp(loc, c, ae); |
| 159 | 649 else |
|
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Merged DMD 1.038
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diff
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|
650 c = ae; |
| 159 | 651 } |
| 652 arg = new VarExp(loc, v); | |
| 653 if (c) | |
| 654 arg = new CommaExp(loc, c, arg); | |
| 655 break; | |
| 656 } | |
| 657 case Tclass: | |
| 658 { /* Set arg to be: | |
| 659 * new Tclass(arg0, arg1, ..., argn) | |
| 660 */ | |
| 661 Expressions *args = new Expressions(); | |
| 662 args->setDim(nargs - i); | |
| 663 for (size_t u = i; u < nargs; u++) | |
| 664 args->data[u - i] = arguments->data[u]; | |
| 665 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 666 break; | |
| 667 } | |
| 668 default: | |
| 669 if (!arg) | |
| 670 { error(loc, "not enough arguments"); | |
| 671 return; | |
| 672 } | |
| 673 break; | |
| 674 } | |
| 675 arg = arg->semantic(sc); | |
| 676 //printf("\targ = '%s'\n", arg->toChars()); | |
| 677 arguments->setDim(i + 1); | |
| 678 done = 1; | |
| 679 } | |
| 680 | |
| 681 L1: | |
| 682 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 683 arg = arg->implicitCastTo(sc, p->type); | |
| 684 if (p->storageClass & (STCout | STCref)) | |
| 685 { | |
| 686 // BUG: should check that argument to ref is type 'invariant' | |
| 687 // BUG: assignments to ref should also be type 'invariant' | |
| 688 arg = arg->modifiableLvalue(sc, arg); | |
| 689 | |
| 690 //if (arg->op == TOKslice) | |
| 691 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 692 } | |
| 693 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
changeset
|
694 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
695 #if !IN_LLVM |
| 159 | 696 // Convert static arrays to pointers |
| 697 tb = arg->type->toBasetype(); | |
| 698 if (tb->ty == Tsarray) | |
| 699 { | |
| 700 arg = arg->checkToPointer(); | |
| 701 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
702 #endif |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
703 |
|
875
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
704 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
705 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
706 { |
|
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diff
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|
707 arg = callCpCtor(loc, sc, arg); |
|
330f999ade44
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|
708 } |
|
330f999ade44
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diff
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|
709 #endif |
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diff
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|
710 |
| 159 | 711 |
| 712 // Convert lazy argument to a delegate | |
| 713 if (p->storageClass & STClazy) | |
| 714 { | |
| 715 arg = arg->toDelegate(sc, p->type); | |
| 716 } | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
717 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
718 /* Look for arguments that cannot 'escape' from the called |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
719 * function. |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
720 */ |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
721 if (!tf->parameterEscapes(p)) |
|
330f999ade44
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parents:
846
diff
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|
722 { |
|
330f999ade44
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parents:
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diff
changeset
|
723 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
724 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
725 */ |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
726 if (arg->op == TOKfunction) |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
727 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
728 fe->fd->tookAddressOf = 0; |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
729 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
730 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
731 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
732 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
733 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
734 */ |
|
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735 else if (arg->op == TOKdelegate) |
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736 { DelegateExp *de = (DelegateExp *)arg; |
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737 if (de->e1->op == TOKvar) |
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738 { VarExp *ve = (VarExp *)de->e1; |
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739 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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740 if (f) |
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741 { f->tookAddressOf--; |
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742 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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743 } |
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744 } |
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745 } |
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746 } |
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747 #endif |
| 159 | 748 } |
| 749 else | |
| 750 { | |
| 751 | |
| 752 // If not D linkage, do promotions | |
|
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753 // LDC: don't do promotions on intrinsics |
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754 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 755 { |
| 756 // Promote bytes, words, etc., to ints | |
| 757 arg = arg->integralPromotions(sc); | |
| 758 | |
| 759 // Promote floats to doubles | |
| 760 switch (arg->type->ty) | |
| 761 { | |
| 762 case Tfloat32: | |
| 763 arg = arg->castTo(sc, Type::tfloat64); | |
| 764 break; | |
| 765 | |
| 766 case Timaginary32: | |
| 767 arg = arg->castTo(sc, Type::timaginary64); | |
| 768 break; | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 // Convert static arrays to dynamic arrays | |
| 773 tb = arg->type->toBasetype(); | |
| 774 if (tb->ty == Tsarray) | |
| 775 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 776 Type *ta = ts->next->arrayOf(); |
| 159 | 777 if (ts->size(arg->loc) == 0) |
| 778 { arg = new NullExp(arg->loc); | |
| 779 arg->type = ta; | |
| 780 } | |
| 781 else | |
| 782 arg = arg->castTo(sc, ta); | |
| 783 } | |
| 336 | 784 #if DMDV2 |
| 785 if (tb->ty == Tstruct) | |
| 786 { | |
| 787 arg = callCpCtor(loc, sc, arg); | |
| 788 } | |
| 789 | |
| 790 // Give error for overloaded function addresses | |
| 791 if (arg->op == TOKsymoff) | |
| 792 { SymOffExp *se = (SymOffExp *)arg; | |
| 793 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 794 arg->error("function %s is overloaded", arg->toChars()); | |
| 795 } | |
| 796 #endif | |
| 159 | 797 arg->rvalue(); |
| 798 } | |
| 799 arg = arg->optimize(WANTvalue); | |
| 800 arguments->data[i] = (void *) arg; | |
| 801 if (done) | |
| 802 break; | |
| 803 } | |
| 804 | |
| 805 #if !IN_LLVM | |
| 806 // If D linkage and variadic, add _arguments[] as first argument | |
| 807 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 808 { | |
| 809 Expression *e; | |
| 810 | |
| 811 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 812 arguments->dim - nparams); | |
| 813 arguments->insert(0, e); | |
| 814 } | |
| 815 #endif | |
| 816 } | |
| 817 | |
| 818 /************************************************** | |
| 819 * Write expression out to buf, but wrap it | |
| 820 * in ( ) if its precedence is less than pr. | |
| 821 */ | |
| 822 | |
| 823 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 824 { | |
| 336 | 825 //if (precedence[e->op] == 0) e->dump(0); |
|
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826 if (precedence[e->op] < pr || |
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827 /* Despite precedence, we don't allow a<b<c expressions. |
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828 * They must be parenthesized. |
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829 */ |
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|
830 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 831 { |
| 832 buf->writeByte('('); | |
| 833 e->toCBuffer(buf, hgs); | |
| 834 buf->writeByte(')'); | |
| 835 } | |
| 836 else | |
| 837 e->toCBuffer(buf, hgs); | |
| 838 } | |
| 839 | |
| 840 /************************************************** | |
| 841 * Write out argument list to buf. | |
| 842 */ | |
| 843 | |
| 844 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 845 { | |
| 846 if (arguments) | |
| 847 { | |
| 848 for (size_t i = 0; i < arguments->dim; i++) | |
| 849 { Expression *arg = (Expression *)arguments->data[i]; | |
| 850 | |
| 851 if (arg) | |
| 852 { if (i) | |
| 853 buf->writeByte(','); | |
| 854 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 855 } | |
| 856 } | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 /************************************************** | |
| 861 * Write out argument types to buf. | |
| 862 */ | |
| 863 | |
| 864 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 865 { | |
| 866 if (arguments) | |
| 867 { OutBuffer argbuf; | |
| 868 | |
| 869 for (size_t i = 0; i < arguments->dim; i++) | |
| 870 { Expression *arg = (Expression *)arguments->data[i]; | |
| 871 | |
| 872 if (i) | |
| 873 buf->writeByte(','); | |
| 874 argbuf.reset(); | |
| 875 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 876 buf->write(&argbuf); | |
| 877 } | |
| 878 } | |
| 879 } | |
| 880 | |
| 881 /******************************** Expression **************************/ | |
| 882 | |
| 883 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 884 : loc(loc) | |
| 885 { | |
|
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886 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 887 this->loc = loc; |
| 888 this->op = op; | |
| 889 this->size = size; | |
| 890 type = NULL; | |
| 891 } | |
| 892 | |
| 893 Expression *Expression::syntaxCopy() | |
| 894 { | |
| 895 //printf("Expression::syntaxCopy()\n"); | |
| 896 //dump(0); | |
| 897 return copy(); | |
| 898 } | |
| 899 | |
| 900 /********************************* | |
| 901 * Does *not* do a deep copy. | |
| 902 */ | |
| 903 | |
| 904 Expression *Expression::copy() | |
| 905 { | |
| 906 Expression *e; | |
| 907 if (!size) | |
| 908 { | |
| 909 #ifdef DEBUG | |
| 910 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 911 printf("op = %d\n", op); | |
| 912 dump(0); | |
| 913 #endif | |
| 914 assert(0); | |
| 915 } | |
| 916 e = (Expression *)mem.malloc(size); | |
|
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917 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 918 return (Expression *)memcpy(e, this, size); |
| 919 } | |
| 920 | |
| 921 /************************** | |
| 922 * Semantically analyze Expression. | |
| 923 * Determine types, fold constants, etc. | |
| 924 */ | |
| 925 | |
| 926 Expression *Expression::semantic(Scope *sc) | |
| 927 { | |
| 928 #if LOGSEMANTIC | |
| 336 | 929 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 930 #endif |
| 931 if (type) | |
| 932 type = type->semantic(loc, sc); | |
| 933 else | |
| 934 type = Type::tvoid; | |
| 935 return this; | |
| 936 } | |
| 937 | |
| 938 void Expression::print() | |
| 939 { | |
| 940 fprintf(stdmsg, "%s\n", toChars()); | |
| 941 fflush(stdmsg); | |
| 942 } | |
| 943 | |
| 944 char *Expression::toChars() | |
| 945 { OutBuffer *buf; | |
| 946 HdrGenState hgs; | |
| 947 | |
| 948 memset(&hgs, 0, sizeof(hgs)); | |
| 949 buf = new OutBuffer(); | |
| 950 toCBuffer(buf, &hgs); | |
| 951 return buf->toChars(); | |
| 952 } | |
| 953 | |
| 954 void Expression::error(const char *format, ...) | |
| 955 { | |
| 956 va_list ap; | |
| 957 va_start(ap, format); | |
| 958 ::verror(loc, format, ap); | |
| 959 va_end( ap ); | |
| 960 } | |
| 961 | |
|
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962 void Expression::warning(const char *format, ...) |
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963 { |
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964 if (global.params.warnings && !global.gag) |
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965 { |
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966 va_list ap; |
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967 va_start(ap, format); |
|
1124
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|
968 ::vwarning(loc, format, ap); |
|
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969 va_end( ap ); |
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970 } |
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971 } |
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972 |
| 159 | 973 void Expression::rvalue() |
| 974 { | |
| 975 if (type && type->toBasetype()->ty == Tvoid) | |
| 976 { error("expression %s is void and has no value", toChars()); | |
| 977 #if 0 | |
| 978 dump(0); | |
| 979 halt(); | |
| 980 #endif | |
| 336 | 981 type = Type::tint32; |
| 159 | 982 } |
| 983 } | |
| 984 | |
| 985 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 986 { | |
| 987 if (e1) | |
| 988 { | |
| 989 if (e2) | |
| 990 { | |
| 991 e1 = new CommaExp(e1->loc, e1, e2); | |
| 992 e1->type = e2->type; | |
| 993 } | |
| 994 } | |
| 995 else | |
| 996 e1 = e2; | |
| 997 return e1; | |
| 998 } | |
| 999 | |
| 1000 integer_t Expression::toInteger() | |
| 1001 { | |
| 1002 //printf("Expression %s\n", Token::toChars(op)); | |
| 1003 error("Integer constant expression expected instead of %s", toChars()); | |
| 1004 return 0; | |
| 1005 } | |
| 1006 | |
| 1007 uinteger_t Expression::toUInteger() | |
| 1008 { | |
| 1009 //printf("Expression %s\n", Token::toChars(op)); | |
| 1010 return (uinteger_t)toInteger(); | |
| 1011 } | |
| 1012 | |
| 1013 real_t Expression::toReal() | |
| 1014 { | |
| 1015 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1016 return 0; | |
| 1017 } | |
| 1018 | |
| 1019 real_t Expression::toImaginary() | |
| 1020 { | |
| 1021 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1022 return 0; | |
| 1023 } | |
| 1024 | |
| 1025 complex_t Expression::toComplex() | |
| 1026 { | |
| 1027 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1028 #ifdef IN_GCC | |
| 1029 return complex_t(real_t(0)); // %% nicer | |
| 1030 #else | |
| 1031 return 0; | |
| 1032 #endif | |
| 1033 } | |
| 1034 | |
| 1035 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1036 { | |
| 1037 buf->writestring(Token::toChars(op)); | |
| 1038 } | |
| 1039 | |
| 1040 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1041 { | |
| 1042 error("expression %s is not a valid template value argument", toChars()); | |
| 1043 } | |
| 1044 | |
|
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1045 /*************************************** |
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1046 * Return !=0 if expression is an lvalue. |
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1047 */ |
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1048 #if DMDV2 |
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1049 int Expression::isLvalue() |
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1050 { |
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1051 return 0; |
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1052 } |
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1053 #endif |
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1054 |
| 159 | 1055 /******************************* |
| 1056 * Give error if we're not an lvalue. | |
| 1057 * If we can, convert expression to be an lvalue. | |
| 1058 */ | |
| 1059 | |
| 1060 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1061 { | |
| 1062 if (!e) | |
| 1063 e = this; | |
| 1064 else if (!loc.filename) | |
| 1065 loc = e->loc; | |
| 1066 error("%s is not an lvalue", e->toChars()); | |
| 1067 return this; | |
| 1068 } | |
| 1069 | |
| 1070 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1071 { | |
|
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1072 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1073 |
| 159 | 1074 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1075 #if DMDV2 |
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1076 if (type && (!type->isMutable() || !type->isAssignable())) |
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|
1077 error("%s is not mutable", e->toChars()); |
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|
1078 #endif |
| 159 | 1079 return toLvalue(sc, e); |
| 1080 } | |
| 1081 | |
| 1082 /************************************ | |
| 1083 * Detect cases where pointers to the stack can 'escape' the | |
| 1084 * lifetime of the stack frame. | |
| 1085 */ | |
| 1086 | |
| 1087 void Expression::checkEscape() | |
| 1088 { | |
| 1089 } | |
| 1090 | |
| 1091 void Expression::checkScalar() | |
| 1092 { | |
| 1093 if (!type->isscalar()) | |
| 1094 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1095 } | |
| 1096 | |
| 1097 void Expression::checkNoBool() | |
| 1098 { | |
| 1099 if (type->toBasetype()->ty == Tbool) | |
| 1100 error("operation not allowed on bool '%s'", toChars()); | |
| 1101 } | |
| 1102 | |
| 1103 Expression *Expression::checkIntegral() | |
| 1104 { | |
| 1105 if (!type->isintegral()) | |
| 1106 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1107 return new IntegerExp(0); | |
| 1108 } | |
| 1109 return this; | |
| 1110 } | |
| 1111 | |
| 1112 Expression *Expression::checkArithmetic() | |
| 1113 { | |
| 1114 if (!type->isintegral() && !type->isfloating()) | |
| 1115 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1116 return new IntegerExp(0); | |
| 1117 } | |
| 1118 return this; | |
| 1119 } | |
| 1120 | |
| 1121 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1122 { | |
| 1123 s->checkDeprecated(loc, sc); | |
| 1124 } | |
| 1125 | |
|
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1126 #if DMDV2 |
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1127 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
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1128 { |
|
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|
1129 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
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|
1130 error("pure function '%s' cannot call impure function '%s'\n", |
|
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|
1131 sc->func->toChars(), f->toChars()); |
|
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|
1132 } |
|
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|
1133 #endif |
|
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|
1134 |
| 159 | 1135 /******************************** |
| 1136 * Check for expressions that have no use. | |
| 1137 * Input: | |
| 1138 * flag 0 not going to use the result, so issue error message if no | |
| 1139 * side effects | |
| 1140 * 1 the result of the expression is used, but still check | |
| 1141 * for useless subexpressions | |
| 1142 * 2 do not issue error messages, just return !=0 if expression | |
| 1143 * has side effects | |
| 1144 */ | |
| 1145 | |
| 1146 int Expression::checkSideEffect(int flag) | |
| 1147 { | |
| 1148 if (flag == 0) | |
| 1149 { if (op == TOKimport) | |
| 1150 { | |
| 1151 error("%s has no effect", toChars()); | |
| 1152 } | |
| 1153 else | |
| 1154 error("%s has no effect in expression (%s)", | |
| 1155 Token::toChars(op), toChars()); | |
| 1156 } | |
| 1157 return 0; | |
| 1158 } | |
| 1159 | |
| 1160 /***************************** | |
| 1161 * Check that expression can be tested for true or false. | |
| 1162 */ | |
| 1163 | |
| 1164 Expression *Expression::checkToBoolean() | |
| 1165 { | |
| 1166 // Default is 'yes' - do nothing | |
| 1167 | |
| 1168 #ifdef DEBUG | |
| 1169 if (!type) | |
| 1170 dump(0); | |
| 1171 #endif | |
| 1172 | |
| 1173 if (!type->checkBoolean()) | |
| 1174 { | |
| 1175 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1176 } | |
| 1177 return this; | |
| 1178 } | |
| 1179 | |
| 1180 /**************************** | |
| 1181 */ | |
| 1182 | |
| 1183 Expression *Expression::checkToPointer() | |
| 1184 { | |
| 1185 Expression *e; | |
| 1186 Type *tb; | |
| 1187 | |
| 1188 //printf("Expression::checkToPointer()\n"); | |
| 1189 e = this; | |
| 1190 | |
| 1191 // If C static array, convert to pointer | |
| 1192 tb = type->toBasetype(); | |
| 1193 if (tb->ty == Tsarray) | |
| 1194 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1195 if (ts->size(loc) == 0) | |
| 1196 e = new NullExp(loc); | |
| 1197 else | |
| 1198 e = new AddrExp(loc, this); | |
| 336 | 1199 e->type = ts->next->pointerTo(); |
| 159 | 1200 } |
| 1201 return e; | |
| 1202 } | |
| 1203 | |
| 1204 /****************************** | |
| 1205 * Take address of expression. | |
| 1206 */ | |
| 1207 | |
| 1208 Expression *Expression::addressOf(Scope *sc) | |
| 1209 { | |
| 1210 Expression *e; | |
| 1211 | |
| 1212 //printf("Expression::addressOf()\n"); | |
| 1213 e = toLvalue(sc, NULL); | |
| 1214 e = new AddrExp(loc, e); | |
| 1215 e->type = type->pointerTo(); | |
| 1216 return e; | |
| 1217 } | |
| 1218 | |
| 1219 /****************************** | |
| 1220 * If this is a reference, dereference it. | |
| 1221 */ | |
| 1222 | |
| 1223 Expression *Expression::deref() | |
| 1224 { | |
| 1225 //printf("Expression::deref()\n"); | |
| 1226 if (type->ty == Treference) | |
| 1227 { Expression *e; | |
| 1228 | |
| 1229 e = new PtrExp(loc, this); | |
| 336 | 1230 e->type = ((TypeReference *)type)->next; |
| 159 | 1231 return e; |
| 1232 } | |
| 1233 return this; | |
| 1234 } | |
| 1235 | |
| 1236 /******************************** | |
| 1237 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1238 */ | |
| 1239 | |
| 1240 int Expression::isBool(int result) | |
| 1241 { | |
| 1242 return FALSE; | |
| 1243 } | |
| 1244 | |
| 1245 /******************************** | |
| 1246 * Does this expression result in either a 1 or a 0? | |
| 1247 */ | |
| 1248 | |
| 1249 int Expression::isBit() | |
| 1250 { | |
| 1251 return FALSE; | |
| 1252 } | |
| 1253 | |
| 336 | 1254 /******************************** |
| 1255 * Can this expression throw an exception? | |
| 1256 * Valid only after semantic() pass. | |
| 1257 */ | |
| 1258 | |
| 1259 int Expression::canThrow() | |
| 1260 { | |
|
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|
1261 #if DMDV2 |
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|
1262 return FALSE; |
|
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|
1263 #else |
| 336 | 1264 return TRUE; |
|
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|
1265 #endif |
| 336 | 1266 } |
| 1267 | |
| 1268 | |
| 1269 | |
| 159 | 1270 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1271 { Expressions *a = NULL; | |
| 1272 | |
| 1273 if (exps) | |
| 1274 { | |
| 1275 a = new Expressions(); | |
| 1276 a->setDim(exps->dim); | |
| 1277 for (int i = 0; i < a->dim; i++) | |
| 1278 { Expression *e = (Expression *)exps->data[i]; | |
| 1279 | |
| 1280 e = e->syntaxCopy(); | |
| 1281 a->data[i] = e; | |
| 1282 } | |
| 1283 } | |
| 1284 return a; | |
| 1285 } | |
| 1286 | |
| 1287 /******************************** IntegerExp **************************/ | |
| 1288 | |
| 1289 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1290 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1291 { | |
| 1292 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1293 if (type && !type->isscalar()) | |
| 1294 { | |
| 336 | 1295 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1296 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1297 type = Type::terror; | |
| 1298 } | |
| 1299 this->type = type; | |
| 1300 this->value = value; | |
| 1301 } | |
| 1302 | |
| 1303 IntegerExp::IntegerExp(integer_t value) | |
| 1304 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1305 { | |
| 1306 this->type = Type::tint32; | |
| 1307 this->value = value; | |
| 1308 } | |
| 1309 | |
| 1310 int IntegerExp::equals(Object *o) | |
| 1311 { IntegerExp *ne; | |
| 1312 | |
| 1313 if (this == o || | |
| 1314 (((Expression *)o)->op == TOKint64 && | |
| 1315 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1316 value == ne->value)) | |
| 1317 return 1; | |
| 1318 return 0; | |
| 1319 } | |
| 1320 | |
| 1321 char *IntegerExp::toChars() | |
| 1322 { | |
| 1323 #if 1 | |
| 1324 return Expression::toChars(); | |
| 1325 #else | |
| 1326 static char buffer[sizeof(value) * 3 + 1]; | |
|
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|
1327 |
|
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|
1328 sprintf(buffer, "%jd", value); |
| 159 | 1329 return buffer; |
| 1330 #endif | |
| 1331 } | |
| 1332 | |
| 1333 integer_t IntegerExp::toInteger() | |
| 1334 { Type *t; | |
| 1335 | |
| 1336 t = type; | |
| 1337 while (t) | |
| 1338 { | |
| 1339 switch (t->ty) | |
| 1340 { | |
| 1341 case Tbit: | |
| 1342 case Tbool: value = (value != 0); break; | |
| 1343 case Tint8: value = (d_int8) value; break; | |
| 1344 case Tchar: | |
| 1345 case Tuns8: value = (d_uns8) value; break; | |
| 1346 case Tint16: value = (d_int16) value; break; | |
| 1347 case Twchar: | |
| 1348 case Tuns16: value = (d_uns16) value; break; | |
| 1349 case Tint32: value = (d_int32) value; break; | |
| 1350 case Tdchar: | |
| 1351 case Tuns32: value = (d_uns32) value; break; | |
| 1352 case Tint64: value = (d_int64) value; break; | |
| 1353 case Tuns64: value = (d_uns64) value; break; | |
|
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diff
changeset
|
1354 case Tpointer: |
|
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
|
1355 // 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
|
1356 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
|
1357 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:
1103
diff
changeset
|
1358 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
|
1359 value = (d_uns64) 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
|
1360 break; |
| 159 | 1361 |
| 1362 case Tenum: | |
| 1363 { | |
| 1364 TypeEnum *te = (TypeEnum *)t; | |
| 1365 t = te->sym->memtype; | |
| 1366 continue; | |
| 1367 } | |
| 1368 | |
| 1369 case Ttypedef: | |
| 1370 { | |
| 1371 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1372 t = tt->sym->basetype; | |
| 1373 continue; | |
| 1374 } | |
| 1375 | |
| 1376 default: | |
| 336 | 1377 /* This can happen if errors, such as |
| 1378 * the type is painted on like in fromConstInitializer(). | |
| 1379 */ | |
| 1380 if (!global.errors) | |
| 1381 { type->print(); | |
| 1382 assert(0); | |
| 1383 } | |
| 159 | 1384 break; |
| 1385 } | |
| 1386 break; | |
| 1387 } | |
| 1388 return value; | |
| 1389 } | |
| 1390 | |
| 1391 real_t IntegerExp::toReal() | |
| 1392 { | |
| 1393 Type *t; | |
| 1394 | |
| 1395 toInteger(); | |
| 1396 t = type->toBasetype(); | |
| 1397 if (t->ty == Tuns64) | |
| 1398 return (real_t)(d_uns64)value; | |
| 1399 else | |
| 1400 return (real_t)(d_int64)value; | |
| 1401 } | |
| 1402 | |
| 1403 real_t IntegerExp::toImaginary() | |
| 1404 { | |
| 1405 return (real_t) 0; | |
| 1406 } | |
| 1407 | |
| 1408 complex_t IntegerExp::toComplex() | |
| 1409 { | |
| 1410 return toReal(); | |
| 1411 } | |
| 1412 | |
| 1413 int IntegerExp::isBool(int result) | |
| 1414 { | |
| 1415 return result ? value != 0 : value == 0; | |
| 1416 } | |
| 1417 | |
| 1418 Expression *IntegerExp::semantic(Scope *sc) | |
| 1419 { | |
| 1420 if (!type) | |
| 1421 { | |
| 1422 // Determine what the type of this number is | |
| 1423 integer_t number = value; | |
| 1424 | |
| 1425 if (number & 0x8000000000000000LL) | |
| 1426 type = Type::tuns64; | |
| 1427 else if (number & 0xFFFFFFFF80000000LL) | |
| 1428 type = Type::tint64; | |
| 1429 else | |
| 1430 type = Type::tint32; | |
| 1431 } | |
| 1432 else | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
1433 { 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
|
1434 type = type->semantic(loc, sc); |
| 159 | 1435 } |
| 1436 return this; | |
| 1437 } | |
| 1438 | |
| 1439 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1440 { | |
| 1441 if (!e) | |
| 1442 e = this; | |
| 1443 else if (!loc.filename) | |
| 1444 loc = e->loc; | |
| 1445 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1446 return this; | |
| 1447 } | |
| 1448 | |
| 1449 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1450 { | |
| 1451 integer_t v = toInteger(); | |
| 1452 | |
| 1453 if (type) | |
| 1454 { Type *t = type; | |
| 1455 | |
| 1456 L1: | |
| 1457 switch (t->ty) | |
| 1458 { | |
| 1459 case Tenum: | |
| 1460 { TypeEnum *te = (TypeEnum *)t; | |
| 1461 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1462 t = te->sym->memtype; | |
| 1463 goto L1; | |
| 1464 } | |
| 1465 | |
| 1466 case Ttypedef: | |
| 1467 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1468 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1469 t = tt->sym->basetype; | |
| 1470 goto L1; | |
| 1471 } | |
| 1472 | |
| 1473 case Twchar: // BUG: need to cast(wchar) | |
| 1474 case Tdchar: // BUG: need to cast(dchar) | |
| 1475 if ((uinteger_t)v > 0xFF) | |
| 1476 { | |
| 1477 buf->printf("'\\U%08x'", v); | |
| 1478 break; | |
| 1479 } | |
| 1480 case Tchar: | |
| 1481 if (v == '\'') | |
| 1482 buf->writestring("'\\''"); | |
| 1483 else if (isprint(v) && v != '\\') | |
| 1484 buf->printf("'%c'", (int)v); | |
| 1485 else | |
| 1486 buf->printf("'\\x%02x'", (int)v); | |
| 1487 break; | |
| 1488 | |
| 1489 case Tint8: | |
| 1490 buf->writestring("cast(byte)"); | |
| 1491 goto L2; | |
| 1492 | |
| 1493 case Tint16: | |
| 1494 buf->writestring("cast(short)"); | |
| 1495 goto L2; | |
| 1496 | |
| 1497 case Tint32: | |
| 1498 L2: | |
| 1499 buf->printf("%d", (int)v); | |
| 1500 break; | |
| 1501 | |
| 1502 case Tuns8: | |
| 1503 buf->writestring("cast(ubyte)"); | |
| 1504 goto L3; | |
| 1505 | |
| 1506 case Tuns16: | |
| 1507 buf->writestring("cast(ushort)"); | |
| 1508 goto L3; | |
| 1509 | |
| 1510 case Tuns32: | |
| 1511 L3: | |
| 1512 buf->printf("%du", (unsigned)v); | |
| 1513 break; | |
| 1514 | |
| 1515 case Tint64: | |
|
1103
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- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1516 buf->printf("%jdL", v); |
| 159 | 1517 break; |
| 1518 | |
| 1519 case Tuns64: | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1520 L4: |
|
1103
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- Updated to DMD frontend 1.041.
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parents:
1012
diff
changeset
|
1521 buf->printf("%juLU", v); |
| 159 | 1522 break; |
| 1523 | |
| 1524 case Tbit: | |
| 1525 case Tbool: | |
| 1526 buf->writestring((char *)(v ? "true" : "false")); | |
| 1527 break; | |
| 1528 | |
| 1529 case Tpointer: | |
| 1530 buf->writestring("cast("); | |
| 1531 buf->writestring(t->toChars()); | |
| 1532 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
|
1533 // 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
|
1534 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
|
1535 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
|
1536 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
|
1537 goto L4; |
| 159 | 1538 |
| 1539 default: | |
| 336 | 1540 /* This can happen if errors, such as |
| 1541 * the type is painted on like in fromConstInitializer(). | |
| 1542 */ | |
| 1543 if (!global.errors) | |
| 1544 { | |
| 159 | 1545 #ifdef DEBUG |
| 336 | 1546 t->print(); |
| 159 | 1547 #endif |
| 336 | 1548 assert(0); |
| 1549 } | |
| 1550 break; | |
| 159 | 1551 } |
| 1552 } | |
| 1553 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1554 buf->printf("0x%jx", v); |
| 159 | 1555 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1556 buf->printf("%jd", v); |
| 159 | 1557 } |
| 1558 | |
| 1559 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1560 { | |
| 1561 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
|
1562 buf->printf("N%jd", -value); |
| 159 | 1563 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1564 buf->printf("%jd", value); |
| 159 | 1565 } |
| 1566 | |
| 1567 /******************************** RealExp **************************/ | |
| 1568 | |
| 1569 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1570 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1571 { | |
| 1572 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1573 this->value = value; | |
| 1574 this->type = type; | |
| 1575 } | |
| 1576 | |
| 1577 char *RealExp::toChars() | |
| 1578 { | |
| 1579 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1580 | |
| 1581 #ifdef IN_GCC | |
| 1582 value.format(buffer, sizeof(buffer)); | |
| 1583 if (type->isimaginary()) | |
| 1584 strcat(buffer, "i"); | |
| 1585 #else | |
| 1586 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1587 #endif | |
| 1588 assert(strlen(buffer) < sizeof(buffer)); | |
| 1589 return mem.strdup(buffer); | |
| 1590 } | |
| 1591 | |
| 1592 integer_t RealExp::toInteger() | |
| 1593 { | |
| 1594 #ifdef IN_GCC | |
| 1595 return toReal().toInt(); | |
| 1596 #else | |
| 1597 return (sinteger_t) toReal(); | |
| 1598 #endif | |
| 1599 } | |
| 1600 | |
| 1601 uinteger_t RealExp::toUInteger() | |
| 1602 { | |
| 1603 #ifdef IN_GCC | |
| 1604 return (uinteger_t) toReal().toInt(); | |
| 1605 #else | |
| 1606 return (uinteger_t) toReal(); | |
| 1607 #endif | |
| 1608 } | |
| 1609 | |
| 1610 real_t RealExp::toReal() | |
| 1611 { | |
| 1612 return type->isreal() ? value : 0; | |
| 1613 } | |
| 1614 | |
| 1615 real_t RealExp::toImaginary() | |
| 1616 { | |
| 1617 return type->isreal() ? 0 : value; | |
| 1618 } | |
| 1619 | |
| 1620 complex_t RealExp::toComplex() | |
| 1621 { | |
| 1622 #ifdef __DMC__ | |
| 1623 return toReal() + toImaginary() * I; | |
| 1624 #else | |
| 1625 return complex_t(toReal(), toImaginary()); | |
| 1626 #endif | |
| 1627 } | |
| 1628 | |
| 1629 /******************************** | |
| 1630 * Test to see if two reals are the same. | |
| 1631 * Regard NaN's as equivalent. | |
| 1632 * Regard +0 and -0 as different. | |
| 1633 */ | |
| 1634 | |
| 1635 int RealEquals(real_t x1, real_t x2) | |
| 1636 { | |
|
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1637 #if __APPLE__ |
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1638 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1639 #else |
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1640 return // special case nans |
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1641 (isnan(x1) && isnan(x2)) || |
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1642 #endif |
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1643 // and zero, in order to distinguish +0 from -0 |
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1644 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1645 // otherwise just compare |
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1646 (x1 != 0. && x1 == x2); |
| 159 | 1647 } |
| 1648 | |
| 1649 int RealExp::equals(Object *o) | |
| 1650 { RealExp *ne; | |
| 1651 | |
| 1652 if (this == o || | |
| 1653 (((Expression *)o)->op == TOKfloat64 && | |
| 1654 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1655 RealEquals(value, ne->value) | |
| 1656 ) | |
| 1657 ) | |
| 1658 return 1; | |
| 1659 return 0; | |
| 1660 } | |
| 1661 | |
| 1662 Expression *RealExp::semantic(Scope *sc) | |
| 1663 { | |
| 1664 if (!type) | |
| 1665 type = Type::tfloat64; | |
| 1666 else | |
| 1667 type = type->semantic(loc, sc); | |
| 1668 return this; | |
| 1669 } | |
| 1670 | |
| 1671 int RealExp::isBool(int result) | |
| 1672 { | |
| 1673 #ifdef IN_GCC | |
| 1674 return result ? (! value.isZero()) : (value.isZero()); | |
| 1675 #else | |
| 1676 return result ? (value != 0) | |
| 1677 : (value == 0); | |
| 1678 #endif | |
| 1679 } | |
| 1680 | |
| 1681 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1682 { | |
| 1683 /* In order to get an exact representation, try converting it | |
| 1684 * to decimal then back again. If it matches, use it. | |
| 1685 * If it doesn't, fall back to hex, which is | |
| 1686 * always exact. | |
| 1687 */ | |
| 1688 char buffer[25]; | |
| 1689 sprintf(buffer, "%Lg", value); | |
| 1690 assert(strlen(buffer) < sizeof(buffer)); | |
| 1691 #if _WIN32 && __DMC__ | |
| 1692 char *save = __locale_decpoint; | |
| 1693 __locale_decpoint = "."; | |
| 1694 real_t r = strtold(buffer, NULL); | |
| 1695 __locale_decpoint = save; | |
| 1696 #else | |
| 1697 real_t r = strtold(buffer, NULL); | |
| 1698 #endif | |
| 1699 if (r == value) // if exact duplication | |
| 1700 buf->writestring(buffer); | |
| 1701 else | |
| 1702 buf->printf("%La", value); // ensure exact duplication | |
| 1703 | |
| 1704 if (type) | |
| 1705 { | |
| 1706 Type *t = type->toBasetype(); | |
| 1707 switch (t->ty) | |
| 1708 { | |
| 1709 case Tfloat32: | |
| 1710 case Timaginary32: | |
| 1711 case Tcomplex32: | |
| 1712 buf->writeByte('F'); | |
| 1713 break; | |
| 1714 | |
| 1715 case Tfloat80: | |
| 1716 case Timaginary80: | |
| 1717 case Tcomplex80: | |
| 1718 buf->writeByte('L'); | |
| 1719 break; | |
| 1720 | |
| 1721 default: | |
| 1722 break; | |
| 1723 } | |
| 1724 if (t->isimaginary()) | |
| 1725 buf->writeByte('i'); | |
| 1726 } | |
| 1727 } | |
| 1728 | |
| 1729 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1730 { | |
| 1731 floatToBuffer(buf, type, value); | |
| 1732 } | |
| 1733 | |
| 1734 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1735 { | |
| 1736 /* Rely on %A to get portable mangling. | |
| 1737 * Must munge result to get only identifier characters. | |
| 1738 * | |
| 1739 * Possible values from %A => mangled result | |
| 1740 * NAN => NAN | |
| 1741 * -INF => NINF | |
| 1742 * INF => INF | |
| 1743 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1744 * 0X1.9P+2 => 19P2 | |
| 1745 */ | |
| 1746 | |
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1749 #else |
| 159 | 1750 if (isnan(value)) |
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1751 #endif |
| 159 | 1752 buf->writestring("NAN"); // no -NAN bugs |
| 1753 else | |
| 1754 { | |
| 1755 char buffer[32]; | |
| 1756 int n = sprintf(buffer, "%LA", value); | |
| 1757 assert(n > 0 && n < sizeof(buffer)); | |
| 1758 for (int i = 0; i < n; i++) | |
| 1759 { char c = buffer[i]; | |
| 1760 | |
| 1761 switch (c) | |
| 1762 { | |
| 1763 case '-': | |
| 1764 buf->writeByte('N'); | |
| 1765 break; | |
| 1766 | |
| 1767 case '+': | |
| 1768 case 'X': | |
| 1769 case '.': | |
| 1770 break; | |
| 1771 | |
| 1772 case '0': | |
| 1773 if (i < 2) | |
| 1774 break; // skip leading 0X | |
| 1775 default: | |
| 1776 buf->writeByte(c); | |
| 1777 break; | |
| 1778 } | |
| 1779 } | |
| 1780 } | |
| 1781 } | |
| 1782 | |
| 1783 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1784 { | |
| 1785 buf->writeByte('e'); | |
| 1786 realToMangleBuffer(buf, value); | |
| 1787 } | |
| 1788 | |
| 1789 | |
| 1790 /******************************** ComplexExp **************************/ | |
| 1791 | |
| 1792 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1793 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1794 { | |
| 1795 this->value = value; | |
| 1796 this->type = type; | |
| 1797 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1798 } | |
| 1799 | |
| 1800 char *ComplexExp::toChars() | |
| 1801 { | |
| 1802 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1803 | |
| 1804 #ifdef IN_GCC | |
| 1805 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1806 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1807 creall(value).format(buf1, sizeof(buf1)); | |
| 1808 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1809 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1810 #else | |
| 1811 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1812 assert(strlen(buffer) < sizeof(buffer)); | |
| 1813 #endif | |
| 1814 return mem.strdup(buffer); | |
| 1815 } | |
| 1816 | |
| 1817 integer_t ComplexExp::toInteger() | |
| 1818 { | |
| 1819 #ifdef IN_GCC | |
| 1820 return (sinteger_t) toReal().toInt(); | |
| 1821 #else | |
| 1822 return (sinteger_t) toReal(); | |
| 1823 #endif | |
| 1824 } | |
| 1825 | |
| 1826 uinteger_t ComplexExp::toUInteger() | |
| 1827 { | |
| 1828 #ifdef IN_GCC | |
| 1829 return (uinteger_t) toReal().toInt(); | |
| 1830 #else | |
| 1831 return (uinteger_t) toReal(); | |
| 1832 #endif | |
| 1833 } | |
| 1834 | |
| 1835 real_t ComplexExp::toReal() | |
| 1836 { | |
| 1837 return creall(value); | |
| 1838 } | |
| 1839 | |
| 1840 real_t ComplexExp::toImaginary() | |
| 1841 { | |
| 1842 return cimagl(value); | |
| 1843 } | |
| 1844 | |
| 1845 complex_t ComplexExp::toComplex() | |
| 1846 { | |
| 1847 return value; | |
| 1848 } | |
| 1849 | |
| 1850 int ComplexExp::equals(Object *o) | |
| 1851 { ComplexExp *ne; | |
| 1852 | |
| 1853 if (this == o || | |
| 1854 (((Expression *)o)->op == TOKcomplex80 && | |
| 1855 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1856 RealEquals(creall(value), creall(ne->value)) && | |
| 1857 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1858 ) | |
| 1859 ) | |
| 1860 return 1; | |
| 1861 return 0; | |
| 1862 } | |
| 1863 | |
| 1864 Expression *ComplexExp::semantic(Scope *sc) | |
| 1865 { | |
| 1866 if (!type) | |
| 1867 type = Type::tcomplex80; | |
| 1868 else | |
| 1869 type = type->semantic(loc, sc); | |
| 1870 return this; | |
| 1871 } | |
| 1872 | |
| 1873 int ComplexExp::isBool(int result) | |
| 1874 { | |
| 1875 if (result) | |
| 1876 return (bool)(value); | |
| 1877 else | |
| 1878 return !value; | |
| 1879 } | |
| 1880 | |
| 1881 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1882 { | |
| 1883 /* Print as: | |
| 1884 * (re+imi) | |
| 1885 */ | |
| 1886 #ifdef IN_GCC | |
| 1887 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1888 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1889 creall(value).format(buf1, sizeof(buf1)); | |
| 1890 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1891 buf->printf("(%s+%si)", buf1, buf2); | |
| 1892 #else | |
| 1893 buf->writeByte('('); | |
| 1894 floatToBuffer(buf, type, creall(value)); | |
| 1895 buf->writeByte('+'); | |
| 1896 floatToBuffer(buf, type, cimagl(value)); | |
| 1897 buf->writestring("i)"); | |
| 1898 #endif | |
| 1899 } | |
| 1900 | |
| 1901 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1902 { | |
| 1903 buf->writeByte('c'); | |
| 1904 real_t r = toReal(); | |
| 1905 realToMangleBuffer(buf, r); | |
| 1906 buf->writeByte('c'); // separate the two | |
| 1907 r = toImaginary(); | |
| 1908 realToMangleBuffer(buf, r); | |
| 1909 } | |
| 1910 | |
| 1911 /******************************** IdentifierExp **************************/ | |
| 1912 | |
| 1913 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1914 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1915 { | |
| 1916 this->ident = ident; | |
| 1917 } | |
| 1918 | |
| 1919 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1920 { | |
| 1921 Dsymbol *s; | |
| 1922 Dsymbol *scopesym; | |
| 1923 | |
| 1924 #if LOGSEMANTIC | |
| 1925 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1926 #endif | |
| 1927 s = sc->search(loc, ident, &scopesym); | |
| 1928 if (s) | |
| 1929 { Expression *e; | |
| 1930 WithScopeSymbol *withsym; | |
| 1931 | |
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1932 /* See if the symbol was a member of an enclosing 'with' |
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1933 */ |
| 159 | 1934 withsym = scopesym->isWithScopeSymbol(); |
| 1935 if (withsym) | |
| 1936 { | |
| 1937 s = s->toAlias(); | |
| 1938 | |
| 1939 // Same as wthis.ident | |
| 1940 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1941 { | |
| 1942 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1943 e = new DotIdExp(loc, e, ident); | |
| 1944 } | |
| 1945 else | |
| 1946 { Type *t = withsym->withstate->wthis->type; | |
| 1947 if (t->ty == Tpointer) | |
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1948 t = ((TypePointer *)t)->next; |
| 159 | 1949 e = new TypeDotIdExp(loc, t, ident); |
| 1950 } | |
| 1951 } | |
| 1952 else | |
| 1953 { | |
| 1954 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1955 { // Kludge to run semantic() here because | |
| 1956 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1957 s->semantic(sc); | |
| 1958 } | |
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1959 /* If f is really a function template, |
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1960 * then replace f with the function template declaration. |
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1961 */ |
| 159 | 1962 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1963 if (f && f->parent) | |
| 1964 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1965 | |
| 1966 if (ti && | |
| 1967 !ti->isTemplateMixin() && | |
| 1968 (ti->name == f->ident || | |
| 1969 ti->toAlias()->ident == f->ident) | |
| 1970 && | |
| 1971 ti->tempdecl && ti->tempdecl->onemember) | |
| 1972 { | |
| 1973 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1974 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1975 tempdecl = tempdecl->overroot; // then get the start | |
| 1976 e = new TemplateExp(loc, tempdecl); | |
| 1977 e = e->semantic(sc); | |
| 1978 return e; | |
| 1979 } | |
| 1980 } | |
| 1981 e = new DsymbolExp(loc, s); | |
| 1982 } | |
| 1983 return e->semantic(sc); | |
| 1984 } | |
| 1985 error("undefined identifier %s", ident->toChars()); | |
| 1986 type = Type::terror; | |
| 1987 return this; | |
| 1988 } | |
| 1989 | |
| 1990 char *IdentifierExp::toChars() | |
| 1991 { | |
| 1992 return ident->toChars(); | |
| 1993 } | |
| 1994 | |
| 1995 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1996 { | |
| 1997 if (hgs->hdrgen) | |
| 1998 buf->writestring(ident->toHChars2()); | |
| 1999 else | |
| 2000 buf->writestring(ident->toChars()); | |
| 2001 } | |
| 2002 | |
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2003 #if DMDV2 |
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2004 int IdentifierExp::isLvalue() |
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2005 { |
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2006 return 1; |
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2007 } |
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2008 #endif |
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2009 |
| 159 | 2010 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2011 { | |
| 2012 #if 0 | |
| 2013 tym = tybasic(e1->ET->Tty); | |
| 2014 if (!(tyscalar(tym) || | |
| 2015 tym == TYstruct || | |
| 2016 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2017 synerr(EM_lvalue); // lvalue expected | |
| 2018 #endif | |
| 2019 return this; | |
| 2020 } | |
| 2021 | |
| 2022 /******************************** DollarExp **************************/ | |
| 2023 | |
| 2024 DollarExp::DollarExp(Loc loc) | |
| 2025 : IdentifierExp(loc, Id::dollar) | |
| 2026 { | |
| 2027 } | |
| 2028 | |
| 2029 /******************************** DsymbolExp **************************/ | |
| 2030 | |
| 2031 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2032 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2033 { | |
| 2034 this->s = s; | |
| 2035 } | |
| 2036 | |
| 2037 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2038 { | |
| 2039 #if LOGSEMANTIC | |
| 2040 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2041 #endif | |
| 2042 | |
| 2043 Lagain: | |
| 2044 EnumMember *em; | |
| 2045 Expression *e; | |
| 2046 VarDeclaration *v; | |
| 2047 FuncDeclaration *f; | |
| 2048 FuncLiteralDeclaration *fld; | |
| 2049 Declaration *d; | |
| 2050 ClassDeclaration *cd; | |
| 2051 ClassDeclaration *thiscd = NULL; | |
| 2052 Import *imp; | |
| 2053 Package *pkg; | |
| 2054 Type *t; | |
| 2055 | |
| 2056 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2057 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2058 if (type) | |
| 2059 return this; | |
| 2060 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2061 checkDeprecated(sc, s); | |
| 2062 s = s->toAlias(); | |
| 2063 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2064 if (!s->isFuncDeclaration()) | |
| 2065 checkDeprecated(sc, s); | |
| 2066 | |
| 2067 if (sc->func) | |
| 2068 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2069 | |
| 2070 // BUG: This should happen after overload resolution for functions, not before | |
| 2071 if (s->needThis()) | |
| 2072 { | |
|
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2073 if (hasThis(sc) |
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2074 #if DMDV2 |
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2075 && !s->isFuncDeclaration() |
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2076 #endif |
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2077 ) |
| 159 | 2078 { |
| 2079 // Supply an implicit 'this', as in | |
| 2080 // this.ident | |
| 2081 | |
| 2082 DotVarExp *de; | |
| 2083 | |
| 2084 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2085 return de->semantic(sc); | |
| 2086 } | |
| 2087 } | |
| 2088 | |
| 2089 em = s->isEnumMember(); | |
| 2090 if (em) | |
| 2091 { | |
| 2092 e = em->value->copy(); | |
| 2093 e = e->semantic(sc); | |
| 2094 return e; | |
| 2095 } | |
| 2096 v = s->isVarDeclaration(); | |
| 2097 if (v) | |
| 2098 { | |
| 2099 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2100 if (!type) | |
| 2101 { type = v->type; | |
| 2102 if (!v->type) | |
| 2103 { error("forward reference of %s", v->toChars()); | |
| 2104 type = Type::terror; | |
| 2105 } | |
| 2106 } | |
| 2107 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2108 { | |
| 2109 if (v->init) | |
| 2110 { | |
| 2111 if (v->inuse) | |
| 2112 { | |
| 2113 error("circular reference to '%s'", v->toChars()); | |
| 2114 type = Type::tint32; | |
| 2115 return this; | |
| 2116 } | |
| 2117 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2118 if (ei) | |
| 2119 { | |
| 2120 e = ei->exp->copy(); // make copy so we can change loc | |
| 2121 if (e->op == TOKstring || !e->type) | |
| 2122 e = e->semantic(sc); | |
| 2123 e = e->implicitCastTo(sc, type); | |
| 2124 e->loc = loc; | |
| 2125 return e; | |
| 2126 } | |
| 2127 } | |
| 2128 else | |
| 2129 { | |
| 2130 e = type->defaultInit(); | |
| 2131 e->loc = loc; | |
| 2132 return e; | |
| 2133 } | |
| 2134 } | |
| 2135 e = new VarExp(loc, v); | |
| 2136 e->type = type; | |
| 2137 e = e->semantic(sc); | |
| 2138 return e->deref(); | |
| 2139 } | |
| 2140 fld = s->isFuncLiteralDeclaration(); | |
| 2141 if (fld) | |
| 2142 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2143 e = new FuncExp(loc, fld); | |
| 2144 return e->semantic(sc); | |
| 2145 } | |
| 2146 f = s->isFuncDeclaration(); | |
| 2147 if (f) | |
| 2148 { //printf("'%s' is a function\n", f->toChars()); | |
| 2149 return new VarExp(loc, f); | |
| 2150 } | |
| 2151 cd = s->isClassDeclaration(); | |
| 2152 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2153 { | |
| 2154 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2155 DotTypeExp *dte; | |
| 2156 | |
| 2157 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2158 return dte->semantic(sc); | |
| 2159 } | |
| 2160 imp = s->isImport(); | |
| 2161 if (imp) | |
| 2162 { | |
| 2163 ScopeExp *ie; | |
| 2164 | |
| 2165 ie = new ScopeExp(loc, imp->pkg); | |
| 2166 return ie->semantic(sc); | |
| 2167 } | |
| 2168 pkg = s->isPackage(); | |
| 2169 if (pkg) | |
| 2170 { | |
| 2171 ScopeExp *ie; | |
| 2172 | |
| 2173 ie = new ScopeExp(loc, pkg); | |
| 2174 return ie->semantic(sc); | |
| 2175 } | |
| 2176 Module *mod = s->isModule(); | |
| 2177 if (mod) | |
| 2178 { | |
| 2179 ScopeExp *ie; | |
| 2180 | |
| 2181 ie = new ScopeExp(loc, mod); | |
| 2182 return ie->semantic(sc); | |
| 2183 } | |
| 2184 | |
| 2185 t = s->getType(); | |
| 2186 if (t) | |
| 2187 { | |
| 2188 return new TypeExp(loc, t); | |
| 2189 } | |
| 2190 | |
| 2191 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2192 if (tup) | |
| 2193 { | |
| 2194 e = new TupleExp(loc, tup); | |
| 2195 e = e->semantic(sc); | |
| 2196 return e; | |
| 2197 } | |
| 2198 | |
| 2199 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2200 if (ti && !global.errors) | |
| 2201 { if (!ti->semanticdone) | |
| 2202 ti->semantic(sc); | |
| 2203 s = ti->inst->toAlias(); | |
| 2204 if (!s->isTemplateInstance()) | |
| 2205 goto Lagain; | |
| 2206 e = new ScopeExp(loc, ti); | |
| 2207 e = e->semantic(sc); | |
| 2208 return e; | |
| 2209 } | |
| 2210 | |
| 2211 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2212 if (td) | |
| 2213 { | |
| 2214 e = new TemplateExp(loc, td); | |
| 2215 e = e->semantic(sc); | |
| 2216 return e; | |
| 2217 } | |
| 2218 | |
| 2219 Lerr: | |
| 2220 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2221 type = Type::terror; | |
| 2222 return this; | |
| 2223 } | |
| 2224 | |
| 2225 char *DsymbolExp::toChars() | |
| 2226 { | |
| 2227 return s->toChars(); | |
| 2228 } | |
| 2229 | |
| 2230 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2231 { | |
| 2232 buf->writestring(s->toChars()); | |
| 2233 } | |
| 2234 | |
|
875
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2235 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
2236 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2237 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2238 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2239 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2240 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2241 |
| 159 | 2242 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2243 { | |
| 2244 #if 0 | |
| 2245 tym = tybasic(e1->ET->Tty); | |
| 2246 if (!(tyscalar(tym) || | |
| 2247 tym == TYstruct || | |
| 2248 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2249 synerr(EM_lvalue); // lvalue expected | |
| 2250 #endif | |
| 2251 return this; | |
| 2252 } | |
| 2253 | |
| 2254 /******************************** ThisExp **************************/ | |
| 2255 | |
| 2256 ThisExp::ThisExp(Loc loc) | |
| 2257 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2258 { | |
| 2259 var = NULL; | |
| 2260 } | |
| 2261 | |
| 2262 Expression *ThisExp::semantic(Scope *sc) | |
| 2263 { FuncDeclaration *fd; | |
| 2264 FuncDeclaration *fdthis; | |
| 2265 int nested = 0; | |
| 2266 | |
| 2267 #if LOGSEMANTIC | |
| 2268 printf("ThisExp::semantic()\n"); | |
| 2269 #endif | |
| 2270 if (type) | |
| 2271 { //assert(global.errors || var); | |
| 2272 return this; | |
| 2273 } | |
| 2274 | |
| 2275 /* Special case for typeof(this) and typeof(super) since both | |
| 2276 * should work even if they are not inside a non-static member function | |
| 2277 */ | |
| 2278 if (sc->intypeof) | |
| 2279 { | |
| 2280 // Find enclosing struct or class | |
| 2281 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2282 { | |
| 2283 ClassDeclaration *cd; | |
| 2284 StructDeclaration *sd; | |
| 2285 | |
| 2286 if (!s) | |
| 2287 { | |
| 2288 error("%s is not in a struct or class scope", toChars()); | |
| 2289 goto Lerr; | |
| 2290 } | |
| 2291 cd = s->isClassDeclaration(); | |
| 2292 if (cd) | |
| 2293 { | |
| 2294 type = cd->type; | |
| 2295 return this; | |
| 2296 } | |
| 2297 sd = s->isStructDeclaration(); | |
| 2298 if (sd) | |
| 2299 { | |
| 2300 type = sd->type->pointerTo(); | |
| 2301 return this; | |
| 2302 } | |
| 2303 } | |
| 2304 } | |
| 2305 | |
| 2306 fdthis = sc->parent->isFuncDeclaration(); | |
| 2307 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2308 if (!fd) | |
| 2309 goto Lerr; | |
| 2310 | |
| 2311 assert(fd->vthis); | |
| 2312 var = fd->vthis; | |
| 2313 assert(var->parent); | |
| 2314 type = var->type; | |
| 2315 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2316 #if 0 | |
| 2317 if (fd != fdthis) // if nested | |
| 2318 { | |
| 2319 fdthis->getLevel(loc, fd); | |
| 2320 fd->vthis->nestedref = 1; | |
| 2321 fd->nestedFrameRef = 1; | |
| 2322 } | |
| 2323 #endif | |
| 336 | 2324 if (!sc->intypeof) |
| 2325 sc->callSuper |= CSXthis; | |
| 159 | 2326 return this; |
| 2327 | |
| 2328 Lerr: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2329 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
|
2330 type = Type::terror; |
| 159 | 2331 return this; |
| 2332 } | |
| 2333 | |
| 2334 int ThisExp::isBool(int result) | |
| 2335 { | |
| 2336 return result ? TRUE : FALSE; | |
| 2337 } | |
| 2338 | |
| 2339 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2340 { | |
| 2341 buf->writestring("this"); | |
| 2342 } | |
| 2343 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2344 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2345 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2347 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2348 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2349 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2350 |
| 159 | 2351 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2352 { | |
| 2353 return this; | |
| 2354 } | |
| 2355 | |
| 2356 /******************************** SuperExp **************************/ | |
| 2357 | |
| 2358 SuperExp::SuperExp(Loc loc) | |
| 2359 : ThisExp(loc) | |
| 2360 { | |
| 2361 op = TOKsuper; | |
| 2362 } | |
| 2363 | |
| 2364 Expression *SuperExp::semantic(Scope *sc) | |
| 2365 { FuncDeclaration *fd; | |
| 2366 FuncDeclaration *fdthis; | |
| 2367 ClassDeclaration *cd; | |
| 2368 Dsymbol *s; | |
| 2369 | |
| 2370 #if LOGSEMANTIC | |
| 2371 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2372 #endif | |
| 2373 if (type) | |
| 2374 return this; | |
| 2375 | |
| 2376 /* Special case for typeof(this) and typeof(super) since both | |
| 2377 * should work even if they are not inside a non-static member function | |
| 2378 */ | |
| 2379 if (sc->intypeof) | |
| 2380 { | |
| 2381 // Find enclosing class | |
| 2382 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2383 { | |
| 2384 ClassDeclaration *cd; | |
| 2385 | |
| 2386 if (!s) | |
| 2387 { | |
| 2388 error("%s is not in a class scope", toChars()); | |
| 2389 goto Lerr; | |
| 2390 } | |
| 2391 cd = s->isClassDeclaration(); | |
| 2392 if (cd) | |
| 2393 { | |
| 2394 cd = cd->baseClass; | |
| 2395 if (!cd) | |
| 2396 { error("class %s has no 'super'", s->toChars()); | |
| 2397 goto Lerr; | |
| 2398 } | |
| 2399 type = cd->type; | |
| 2400 return this; | |
| 2401 } | |
| 2402 } | |
| 2403 } | |
| 2404 | |
| 2405 fdthis = sc->parent->isFuncDeclaration(); | |
| 2406 fd = hasThis(sc); | |
| 2407 if (!fd) | |
| 2408 goto Lerr; | |
| 2409 assert(fd->vthis); | |
| 2410 var = fd->vthis; | |
| 2411 assert(var->parent); | |
| 2412 | |
| 2413 s = fd->toParent(); | |
| 2414 while (s && s->isTemplateInstance()) | |
| 2415 s = s->toParent(); | |
| 2416 assert(s); | |
| 2417 cd = s->isClassDeclaration(); | |
| 2418 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2419 if (!cd) | |
| 2420 goto Lerr; | |
| 2421 if (!cd->baseClass) | |
| 2422 { | |
| 2423 error("no base class for %s", cd->toChars()); | |
| 2424 type = fd->vthis->type; | |
| 2425 } | |
| 2426 else | |
| 2427 { | |
| 2428 type = cd->baseClass->type; | |
| 2429 } | |
| 2430 | |
| 2431 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2432 #if 0 | |
| 2433 if (fd != fdthis) | |
| 2434 { | |
| 2435 fdthis->getLevel(loc, fd); | |
| 2436 fd->vthis->nestedref = 1; | |
| 2437 fd->nestedFrameRef = 1; | |
| 2438 } | |
| 2439 #endif | |
| 2440 | |
| 336 | 2441 if (!sc->intypeof) |
| 2442 sc->callSuper |= CSXsuper; | |
| 159 | 2443 return this; |
| 2444 | |
| 2445 | |
| 2446 Lerr: | |
| 2447 error("'super' is only allowed in non-static class member functions"); | |
| 2448 type = Type::tint32; | |
| 2449 return this; | |
| 2450 } | |
| 2451 | |
| 2452 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2453 { | |
| 2454 buf->writestring("super"); | |
| 2455 } | |
| 2456 | |
| 2457 | |
| 2458 /******************************** NullExp **************************/ | |
| 2459 | |
| 2460 NullExp::NullExp(Loc loc) | |
| 2461 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2462 { | |
| 2463 committed = 0; | |
| 2464 } | |
| 2465 | |
| 2466 Expression *NullExp::semantic(Scope *sc) | |
| 2467 { | |
| 2468 #if LOGSEMANTIC | |
| 2469 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2470 #endif | |
| 2471 // NULL is the same as (void *)0 | |
| 2472 if (!type) | |
| 2473 type = Type::tvoid->pointerTo(); | |
| 2474 return this; | |
| 2475 } | |
| 2476 | |
| 2477 int NullExp::isBool(int result) | |
| 2478 { | |
| 2479 return result ? FALSE : TRUE; | |
| 2480 } | |
| 2481 | |
| 2482 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2483 { | |
| 2484 buf->writestring("null"); | |
| 2485 } | |
| 2486 | |
| 2487 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2488 { | |
| 2489 buf->writeByte('n'); | |
| 2490 } | |
| 2491 | |
| 2492 /******************************** StringExp **************************/ | |
| 2493 | |
| 2494 StringExp::StringExp(Loc loc, char *string) | |
| 2495 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2496 { | |
| 2497 this->string = string; | |
| 2498 this->len = strlen(string); | |
| 2499 this->sz = 1; | |
| 2500 this->committed = 0; | |
| 2501 this->postfix = 0; | |
| 2502 } | |
| 2503 | |
| 2504 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2505 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2506 { | |
| 2507 this->string = string; | |
| 2508 this->len = len; | |
| 2509 this->sz = 1; | |
| 2510 this->committed = 0; | |
| 2511 this->postfix = 0; | |
| 2512 } | |
| 2513 | |
| 2514 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2515 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2516 { | |
| 2517 this->string = string; | |
| 2518 this->len = len; | |
| 2519 this->sz = 1; | |
| 2520 this->committed = 0; | |
| 2521 this->postfix = postfix; | |
| 2522 } | |
| 2523 | |
| 2524 #if 0 | |
| 2525 Expression *StringExp::syntaxCopy() | |
| 2526 { | |
| 2527 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2528 return copy(); | |
| 2529 } | |
| 2530 #endif | |
| 2531 | |
| 2532 int StringExp::equals(Object *o) | |
| 2533 { | |
| 2534 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2535 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2536 { Expression *e = (Expression *)o; | |
| 2537 | |
| 2538 if (e->op == TOKstring) | |
| 2539 { | |
| 2540 return compare(o) == 0; | |
| 2541 } | |
| 2542 } | |
| 2543 return FALSE; | |
| 2544 } | |
| 2545 | |
| 2546 char *StringExp::toChars() | |
| 2547 { | |
| 2548 OutBuffer buf; | |
| 2549 HdrGenState hgs; | |
| 2550 char *p; | |
| 2551 | |
| 2552 memset(&hgs, 0, sizeof(hgs)); | |
| 2553 toCBuffer(&buf, &hgs); | |
| 2554 buf.writeByte(0); | |
| 2555 p = (char *)buf.data; | |
| 2556 buf.data = NULL; | |
| 2557 return p; | |
| 2558 } | |
| 2559 | |
| 2560 Expression *StringExp::semantic(Scope *sc) | |
| 2561 { | |
| 2562 #if LOGSEMANTIC | |
| 2563 printf("StringExp::semantic() %s\n", toChars()); | |
| 2564 #endif | |
| 2565 if (!type) | |
| 2566 { OutBuffer buffer; | |
| 2567 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2568 const char *p; |
| 159 | 2569 size_t u; |
| 2570 unsigned c; | |
| 2571 | |
| 2572 switch (postfix) | |
| 2573 { | |
| 2574 case 'd': | |
| 2575 for (u = 0; u < len;) | |
| 2576 { | |
| 2577 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2578 if (p) | |
| 2579 { error("%s", p); | |
| 2580 break; | |
| 2581 } | |
| 2582 else | |
| 2583 { buffer.write4(c); | |
| 2584 newlen++; | |
| 2585 } | |
| 2586 } | |
| 2587 buffer.write4(0); | |
| 2588 string = buffer.extractData(); | |
| 2589 len = newlen; | |
| 2590 sz = 4; | |
| 2591 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2592 committed = 1; | |
| 2593 break; | |
| 2594 | |
| 2595 case 'w': | |
| 2596 for (u = 0; u < len;) | |
| 2597 { | |
| 2598 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2599 if (p) | |
| 2600 { error("%s", p); | |
| 2601 break; | |
| 2602 } | |
| 2603 else | |
| 2604 { buffer.writeUTF16(c); | |
| 2605 newlen++; | |
| 2606 if (c >= 0x10000) | |
| 2607 newlen++; | |
| 2608 } | |
| 2609 } | |
| 2610 buffer.writeUTF16(0); | |
| 2611 string = buffer.extractData(); | |
| 2612 len = newlen; | |
| 2613 sz = 2; | |
| 2614 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2615 committed = 1; | |
| 2616 break; | |
| 2617 | |
| 2618 case 'c': | |
| 2619 committed = 1; | |
| 2620 default: | |
| 2621 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2622 break; | |
| 2623 } | |
| 2624 type = type->semantic(loc, sc); | |
| 2625 } | |
| 2626 return this; | |
| 2627 } | |
| 2628 | |
| 2629 /**************************************** | |
| 2630 * Convert string to char[]. | |
| 2631 */ | |
| 2632 | |
| 2633 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2634 { | |
| 2635 if (sz != 1) | |
| 2636 { // Convert to UTF-8 string | |
| 2637 committed = 0; | |
| 2638 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2639 e = e->optimize(WANTvalue); | |
| 2640 assert(e->op == TOKstring); | |
| 2641 StringExp *se = (StringExp *)e; | |
| 2642 assert(se->sz == 1); | |
| 2643 return se; | |
| 2644 } | |
| 2645 return this; | |
| 2646 } | |
| 2647 | |
| 2648 int StringExp::compare(Object *obj) | |
| 2649 { | |
| 2650 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2651 StringExp *se2 = (StringExp *)(obj); | |
| 2652 | |
| 2653 // This is a kludge so isExpression() in template.c will return 5 | |
| 2654 // for StringExp's. | |
| 2655 if (!se2) | |
| 2656 return 5; | |
| 2657 | |
| 2658 assert(se2->op == TOKstring); | |
| 2659 | |
| 2660 int len1 = len; | |
| 2661 int len2 = se2->len; | |
| 2662 | |
| 2663 if (len1 == len2) | |
| 2664 { | |
| 2665 switch (sz) | |
| 2666 { | |
| 2667 case 1: | |
| 2668 return strcmp((char *)string, (char *)se2->string); | |
| 2669 | |
| 2670 case 2: | |
| 2671 { unsigned u; | |
| 2672 d_wchar *s1 = (d_wchar *)string; | |
| 2673 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2674 | |
| 2675 for (u = 0; u < len; u++) | |
| 2676 { | |
| 2677 if (s1[u] != s2[u]) | |
| 2678 return s1[u] - s2[u]; | |
| 2679 } | |
| 2680 } | |
| 2681 | |
| 2682 case 4: | |
| 2683 { unsigned u; | |
| 2684 d_dchar *s1 = (d_dchar *)string; | |
| 2685 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2686 | |
| 2687 for (u = 0; u < len; u++) | |
| 2688 { | |
| 2689 if (s1[u] != s2[u]) | |
| 2690 return s1[u] - s2[u]; | |
| 2691 } | |
| 2692 } | |
| 2693 break; | |
| 2694 | |
| 2695 default: | |
| 2696 assert(0); | |
| 2697 } | |
| 2698 } | |
| 2699 return len1 - len2; | |
| 2700 } | |
| 2701 | |
| 2702 int StringExp::isBool(int result) | |
| 2703 { | |
| 2704 return result ? TRUE : FALSE; | |
| 2705 } | |
| 2706 | |
| 2707 unsigned StringExp::charAt(size_t i) | |
| 2708 { unsigned value; | |
| 2709 | |
| 2710 switch (sz) | |
| 2711 { | |
| 2712 case 1: | |
| 2713 value = ((unsigned char *)string)[i]; | |
| 2714 break; | |
| 2715 | |
| 2716 case 2: | |
| 2717 value = ((unsigned short *)string)[i]; | |
| 2718 break; | |
| 2719 | |
| 2720 case 4: | |
| 2721 value = ((unsigned int *)string)[i]; | |
| 2722 break; | |
| 2723 | |
| 2724 default: | |
| 2725 assert(0); | |
| 2726 break; | |
| 2727 } | |
| 2728 return value; | |
| 2729 } | |
| 2730 | |
| 2731 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2732 { | |
| 2733 buf->writeByte('"'); | |
| 2734 for (size_t i = 0; i < len; i++) | |
| 2735 { unsigned c = charAt(i); | |
| 2736 | |
| 2737 switch (c) | |
| 2738 { | |
| 2739 case '"': | |
| 2740 case '\\': | |
| 2741 if (!hgs->console) | |
| 2742 buf->writeByte('\\'); | |
| 2743 default: | |
| 2744 if (c <= 0xFF) | |
| 2745 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2746 buf->writeByte(c); | |
| 2747 else | |
| 2748 buf->printf("\\x%02x", c); | |
| 2749 } | |
| 2750 else if (c <= 0xFFFF) | |
| 2751 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2752 else | |
| 2753 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2754 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2755 break; | |
| 2756 } | |
| 2757 } | |
| 2758 buf->writeByte('"'); | |
| 2759 if (postfix) | |
| 2760 buf->writeByte(postfix); | |
| 2761 } | |
| 2762 | |
| 2763 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2764 { char m; | |
| 2765 OutBuffer tmp; | |
|
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|
2766 const char *p; |
| 159 | 2767 unsigned c; |
| 2768 size_t u; | |
| 2769 unsigned char *q; | |
| 2770 unsigned qlen; | |
| 2771 | |
| 2772 /* Write string in UTF-8 format | |
| 2773 */ | |
| 2774 switch (sz) | |
| 2775 { case 1: | |
| 2776 m = 'a'; | |
| 2777 q = (unsigned char *)string; | |
| 2778 qlen = len; | |
| 2779 break; | |
| 2780 case 2: | |
| 2781 m = 'w'; | |
| 2782 for (u = 0; u < len; ) | |
| 2783 { | |
| 2784 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2785 if (p) | |
| 2786 error("%s", p); | |
| 2787 else | |
| 2788 tmp.writeUTF8(c); | |
| 2789 } | |
| 2790 q = tmp.data; | |
| 2791 qlen = tmp.offset; | |
| 2792 break; | |
| 2793 case 4: | |
| 2794 m = 'd'; | |
| 2795 for (u = 0; u < len; u++) | |
| 2796 { | |
| 2797 c = ((unsigned *)string)[u]; | |
| 2798 if (!utf_isValidDchar(c)) | |
| 2799 error("invalid UCS-32 char \\U%08x", c); | |
| 2800 else | |
| 2801 tmp.writeUTF8(c); | |
| 2802 } | |
| 2803 q = tmp.data; | |
| 2804 qlen = tmp.offset; | |
| 2805 break; | |
| 2806 default: | |
| 2807 assert(0); | |
| 2808 } | |
| 2809 buf->writeByte(m); | |
| 2810 buf->printf("%d_", qlen); | |
| 2811 for (size_t i = 0; i < qlen; i++) | |
| 2812 buf->printf("%02x", q[i]); | |
| 2813 } | |
| 2814 | |
| 2815 /************************ ArrayLiteralExp ************************************/ | |
| 2816 | |
| 2817 // [ e1, e2, e3, ... ] | |
| 2818 | |
| 2819 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2820 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2821 { | |
| 2822 this->elements = elements; | |
| 2823 } | |
| 2824 | |
| 2825 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2826 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2827 { | |
| 2828 elements = new Expressions; | |
| 2829 elements->push(e); | |
| 2830 } | |
| 2831 | |
| 2832 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2833 { | |
| 2834 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2835 } | |
| 2836 | |
| 2837 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2838 { Expression *e; | |
| 2839 Type *t0 = NULL; | |
| 2840 | |
| 2841 #if LOGSEMANTIC | |
| 2842 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2843 #endif | |
| 2844 if (type) | |
| 2845 return this; | |
| 2846 | |
| 2847 // Run semantic() on each element | |
| 2848 for (int i = 0; i < elements->dim; i++) | |
| 2849 { e = (Expression *)elements->data[i]; | |
| 2850 e = e->semantic(sc); | |
| 2851 elements->data[i] = (void *)e; | |
| 2852 } | |
| 2853 expandTuples(elements); | |
| 2854 for (int i = 0; i < elements->dim; i++) | |
| 2855 { e = (Expression *)elements->data[i]; | |
| 2856 | |
| 2857 if (!e->type) | |
| 2858 error("%s has no value", e->toChars()); | |
| 2859 e = resolveProperties(sc, e); | |
| 2860 | |
| 2861 unsigned char committed = 1; | |
| 2862 if (e->op == TOKstring) | |
| 2863 committed = ((StringExp *)e)->committed; | |
| 2864 | |
| 2865 if (!t0) | |
| 2866 { t0 = e->type; | |
| 2867 // Convert any static arrays to dynamic arrays | |
| 2868 if (t0->ty == Tsarray) | |
| 2869 { | |
|
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2870 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2871 e = e->implicitCastTo(sc, t0); |
| 2872 } | |
| 2873 } | |
| 2874 else | |
| 2875 e = e->implicitCastTo(sc, t0); | |
| 2876 if (!committed && e->op == TOKstring) | |
| 2877 { StringExp *se = (StringExp *)e; | |
| 2878 se->committed = 0; | |
| 2879 } | |
| 2880 elements->data[i] = (void *)e; | |
| 2881 } | |
| 2882 | |
| 2883 if (!t0) | |
| 2884 t0 = Type::tvoid; | |
| 2885 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2886 type = type->semantic(loc, sc); | |
| 2887 return this; | |
| 2888 } | |
| 2889 | |
| 2890 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2891 { int f = 0; | |
| 2892 | |
| 2893 for (size_t i = 0; i < elements->dim; i++) | |
| 2894 { Expression *e = (Expression *)elements->data[i]; | |
| 2895 | |
| 2896 f |= e->checkSideEffect(2); | |
| 2897 } | |
| 2898 if (flag == 0 && f == 0) | |
| 2899 Expression::checkSideEffect(0); | |
| 2900 return f; | |
| 2901 } | |
| 2902 | |
| 2903 int ArrayLiteralExp::isBool(int result) | |
| 2904 { | |
| 2905 size_t dim = elements ? elements->dim : 0; | |
| 2906 return result ? (dim != 0) : (dim == 0); | |
| 2907 } | |
| 2908 | |
|
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2909 #if DMDV2 |
|
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|
2910 int ArrayLiteralExp::canThrow() |
|
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|
2911 { |
|
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diff
changeset
|
2912 return 1; // because it can fail allocating memory |
|
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Merged DMD 1.038
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parents:
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diff
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|
2913 } |
|
330f999ade44
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diff
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|
2914 #endif |
|
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diff
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|
2915 |
| 159 | 2916 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2917 { | |
| 2918 buf->writeByte('['); | |
| 2919 argsToCBuffer(buf, elements, hgs); | |
| 2920 buf->writeByte(']'); | |
| 2921 } | |
| 2922 | |
| 2923 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2924 { | |
| 2925 size_t dim = elements ? elements->dim : 0; | |
| 2926 buf->printf("A%u", dim); | |
| 2927 for (size_t i = 0; i < dim; i++) | |
| 2928 { Expression *e = (Expression *)elements->data[i]; | |
| 2929 e->toMangleBuffer(buf); | |
| 2930 } | |
| 2931 } | |
| 2932 | |
| 2933 /************************ AssocArrayLiteralExp ************************************/ | |
| 2934 | |
| 2935 // [ key0 : value0, key1 : value1, ... ] | |
| 2936 | |
| 2937 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2938 Expressions *keys, Expressions *values) | |
| 2939 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2940 { | |
| 2941 assert(keys->dim == values->dim); | |
| 2942 this->keys = keys; | |
| 2943 this->values = values; | |
| 2944 } | |
| 2945 | |
| 2946 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2947 { | |
| 2948 return new AssocArrayLiteralExp(loc, | |
| 2949 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2950 } | |
| 2951 | |
| 2952 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2953 { Expression *e; | |
| 2954 Type *tkey = NULL; | |
| 2955 Type *tvalue = NULL; | |
| 2956 | |
| 2957 #if LOGSEMANTIC | |
| 2958 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2959 #endif | |
| 2960 | |
| 2961 // Run semantic() on each element | |
| 2962 for (size_t i = 0; i < keys->dim; i++) | |
| 2963 { Expression *key = (Expression *)keys->data[i]; | |
| 2964 Expression *value = (Expression *)values->data[i]; | |
| 2965 | |
| 2966 key = key->semantic(sc); | |
| 2967 value = value->semantic(sc); | |
| 2968 | |
| 2969 keys->data[i] = (void *)key; | |
| 2970 values->data[i] = (void *)value; | |
| 2971 } | |
| 2972 expandTuples(keys); | |
| 2973 expandTuples(values); | |
| 2974 if (keys->dim != values->dim) | |
| 2975 { | |
| 2976 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2977 keys->setDim(0); | |
| 2978 values->setDim(0); | |
| 2979 } | |
| 2980 for (size_t i = 0; i < keys->dim; i++) | |
| 2981 { Expression *key = (Expression *)keys->data[i]; | |
| 2982 Expression *value = (Expression *)values->data[i]; | |
| 2983 | |
| 2984 if (!key->type) | |
| 2985 error("%s has no value", key->toChars()); | |
| 2986 if (!value->type) | |
| 2987 error("%s has no value", value->toChars()); | |
| 2988 key = resolveProperties(sc, key); | |
| 2989 value = resolveProperties(sc, value); | |
| 2990 | |
| 2991 if (!tkey) | |
| 2992 tkey = key->type; | |
| 2993 else | |
| 2994 key = key->implicitCastTo(sc, tkey); | |
| 2995 keys->data[i] = (void *)key; | |
| 2996 | |
| 2997 if (!tvalue) | |
| 2998 tvalue = value->type; | |
| 2999 else | |
| 3000 value = value->implicitCastTo(sc, tvalue); | |
| 3001 values->data[i] = (void *)value; | |
| 3002 } | |
| 3003 | |
| 3004 if (!tkey) | |
| 3005 tkey = Type::tvoid; | |
| 3006 if (!tvalue) | |
| 3007 tvalue = Type::tvoid; | |
| 3008 type = new TypeAArray(tvalue, tkey); | |
| 3009 type = type->semantic(loc, sc); | |
| 3010 return this; | |
| 3011 } | |
| 3012 | |
| 3013 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3014 { int f = 0; | |
| 3015 | |
| 3016 for (size_t i = 0; i < keys->dim; i++) | |
| 3017 { Expression *key = (Expression *)keys->data[i]; | |
| 3018 Expression *value = (Expression *)values->data[i]; | |
| 3019 | |
| 3020 f |= key->checkSideEffect(2); | |
| 3021 f |= value->checkSideEffect(2); | |
| 3022 } | |
| 3023 if (flag == 0 && f == 0) | |
| 3024 Expression::checkSideEffect(0); | |
| 3025 return f; | |
| 3026 } | |
| 3027 | |
| 3028 int AssocArrayLiteralExp::isBool(int result) | |
| 3029 { | |
| 3030 size_t dim = keys->dim; | |
| 3031 return result ? (dim != 0) : (dim == 0); | |
| 3032 } | |
| 3033 | |
|
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diff
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3034 #if DMDV2 |
|
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|
3035 int AssocArrayLiteralExp::canThrow() |
|
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parents:
846
diff
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|
3036 { |
|
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parents:
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diff
changeset
|
3037 return 1; |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3038 } |
|
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parents:
846
diff
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|
3039 #endif |
|
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parents:
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diff
changeset
|
3040 |
| 159 | 3041 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3042 { | |
| 3043 buf->writeByte('['); | |
| 3044 for (size_t i = 0; i < keys->dim; i++) | |
| 3045 { Expression *key = (Expression *)keys->data[i]; | |
| 3046 Expression *value = (Expression *)values->data[i]; | |
| 3047 | |
| 3048 if (i) | |
| 3049 buf->writeByte(','); | |
| 3050 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3051 buf->writeByte(':'); | |
| 3052 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3053 } | |
| 3054 buf->writeByte(']'); | |
| 3055 } | |
| 3056 | |
| 3057 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3058 { | |
| 3059 size_t dim = keys->dim; | |
| 3060 buf->printf("A%u", dim); | |
| 3061 for (size_t i = 0; i < dim; i++) | |
| 3062 { Expression *key = (Expression *)keys->data[i]; | |
| 3063 Expression *value = (Expression *)values->data[i]; | |
| 3064 | |
| 3065 key->toMangleBuffer(buf); | |
| 3066 value->toMangleBuffer(buf); | |
| 3067 } | |
| 3068 } | |
| 3069 | |
| 3070 /************************ StructLiteralExp ************************************/ | |
| 3071 | |
| 3072 // sd( e1, e2, e3, ... ) | |
| 3073 | |
| 3074 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3075 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3076 { | |
| 3077 this->sd = sd; | |
| 3078 this->elements = elements; | |
| 3079 this->sym = NULL; | |
| 3080 this->soffset = 0; | |
| 3081 this->fillHoles = 1; | |
| 3082 } | |
| 3083 | |
| 3084 Expression *StructLiteralExp::syntaxCopy() | |
| 3085 { | |
| 3086 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3087 } | |
| 3088 | |
| 3089 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3090 { Expression *e; | |
| 3091 | |
| 3092 #if LOGSEMANTIC | |
| 3093 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3094 #endif | |
|
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diff
changeset
|
3095 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
|
3096 return this; |
| 159 | 3097 |
| 3098 // Run semantic() on each element | |
| 3099 for (size_t i = 0; i < elements->dim; i++) | |
| 3100 { e = (Expression *)elements->data[i]; | |
| 3101 if (!e) | |
| 3102 continue; | |
| 3103 e = e->semantic(sc); | |
| 3104 elements->data[i] = (void *)e; | |
| 3105 } | |
| 3106 expandTuples(elements); | |
| 3107 size_t offset = 0; | |
| 3108 for (size_t i = 0; i < elements->dim; i++) | |
| 3109 { e = (Expression *)elements->data[i]; | |
| 3110 if (!e) | |
| 3111 continue; | |
| 3112 | |
| 3113 if (!e->type) | |
| 3114 error("%s has no value", e->toChars()); | |
| 3115 e = resolveProperties(sc, e); | |
| 3116 if (i >= sd->fields.dim) | |
| 3117 { error("more initializers than fields of %s", sd->toChars()); | |
| 3118 break; | |
| 3119 } | |
| 3120 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3121 VarDeclaration *v = s->isVarDeclaration(); | |
| 3122 assert(v); | |
| 3123 if (v->offset < offset) | |
| 3124 error("overlapping initialization for %s", v->toChars()); | |
| 3125 offset = v->offset + v->type->size(); | |
| 3126 | |
| 3127 Type *telem = v->type; | |
| 3128 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3129 { /* Static array initialization, as in: | |
| 3130 * T[3][5] = e; | |
| 3131 */ | |
| 3132 telem = telem->toBasetype()->nextOf(); | |
| 3133 } | |
| 3134 | |
| 3135 e = e->implicitCastTo(sc, telem); | |
| 3136 | |
| 3137 elements->data[i] = (void *)e; | |
| 3138 } | |
| 3139 | |
| 3140 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3141 */ | |
| 3142 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3143 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3144 VarDeclaration *v = s->isVarDeclaration(); | |
| 3145 assert(v); | |
| 3146 | |
| 3147 if (v->offset < offset) | |
| 3148 { e = NULL; | |
| 3149 sd->hasUnions = 1; | |
| 3150 } | |
| 3151 else | |
| 3152 { | |
| 3153 if (v->init) | |
| 3154 { e = v->init->toExpression(); | |
| 3155 if (!e) | |
| 3156 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3157 } | |
| 3158 else | |
| 3159 { e = v->type->defaultInit(); | |
| 3160 e->loc = loc; | |
| 3161 } | |
| 3162 offset = v->offset + v->type->size(); | |
| 3163 } | |
| 3164 elements->push(e); | |
| 3165 } | |
| 3166 | |
| 3167 type = sd->type; | |
| 3168 return this; | |
| 3169 } | |
| 3170 | |
| 3171 /************************************** | |
| 3172 * Gets expression at offset of type. | |
| 3173 * Returns NULL if not found. | |
| 3174 */ | |
| 3175 | |
| 3176 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
3177 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3178 //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
|
3179 // /*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
|
3180 Expression *e = NULL; |
| 159 | 3181 int i = getFieldIndex(type, offset); |
| 3182 | |
| 3183 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
|
3184 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3185 //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
|
3186 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
|
3187 e = (Expression *)elements->data[i]; |
| 159 | 3188 if (e) |
| 3189 { | |
| 3190 e = e->copy(); | |
| 3191 e->type = type; | |
| 3192 } | |
| 3193 } | |
| 3194 return e; | |
| 3195 } | |
| 3196 | |
| 3197 /************************************ | |
| 3198 * Get index of field. | |
| 3199 * Returns -1 if not found. | |
| 3200 */ | |
| 3201 | |
| 3202 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3203 { | |
| 3204 /* Find which field offset is by looking at the field offsets | |
| 3205 */ | |
| 3206 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3207 { | |
| 3208 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3209 VarDeclaration *v = s->isVarDeclaration(); | |
| 3210 assert(v); | |
| 3211 | |
| 3212 if (offset == v->offset && | |
| 3213 type->size() == v->type->size()) | |
| 3214 { Expression *e = (Expression *)elements->data[i]; | |
| 3215 if (e) | |
| 3216 { | |
| 3217 return i; | |
| 3218 } | |
| 3219 break; | |
| 3220 } | |
| 3221 } | |
| 3222 return -1; | |
| 3223 } | |
| 3224 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3225 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3226 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3227 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3228 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3229 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3230 #endif |
| 159 | 3231 |
| 3232 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3233 { | |
| 3234 return this; | |
| 3235 } | |
| 3236 | |
| 3237 | |
| 3238 int StructLiteralExp::checkSideEffect(int flag) | |
| 3239 { int f = 0; | |
| 3240 | |
| 3241 for (size_t i = 0; i < elements->dim; i++) | |
| 3242 { Expression *e = (Expression *)elements->data[i]; | |
| 3243 if (!e) | |
| 3244 continue; | |
| 3245 | |
| 3246 f |= e->checkSideEffect(2); | |
| 3247 } | |
| 3248 if (flag == 0 && f == 0) | |
| 3249 Expression::checkSideEffect(0); | |
| 3250 return f; | |
| 3251 } | |
| 3252 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3253 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3254 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3255 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3256 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3257 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3258 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3259 |
| 159 | 3260 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3261 { | |
| 3262 buf->writestring(sd->toChars()); | |
| 3263 buf->writeByte('('); | |
| 3264 argsToCBuffer(buf, elements, hgs); | |
| 3265 buf->writeByte(')'); | |
| 3266 } | |
| 3267 | |
| 3268 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3269 { | |
| 3270 size_t dim = elements ? elements->dim : 0; | |
| 3271 buf->printf("S%u", dim); | |
| 3272 for (size_t i = 0; i < dim; i++) | |
| 3273 { Expression *e = (Expression *)elements->data[i]; | |
| 3274 if (e) | |
| 3275 e->toMangleBuffer(buf); | |
| 3276 else | |
| 3277 buf->writeByte('v'); // 'v' for void | |
| 3278 } | |
| 3279 } | |
| 3280 | |
| 3281 /************************ TypeDotIdExp ************************************/ | |
| 3282 | |
| 3283 /* Things like: | |
| 3284 * int.size | |
| 3285 * foo.size | |
| 3286 * (foo).size | |
| 3287 * cast(foo).size | |
| 3288 */ | |
| 3289 | |
| 3290 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3291 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3292 { | |
| 3293 this->type = type; | |
| 3294 this->ident = ident; | |
| 3295 } | |
| 3296 | |
| 3297 Expression *TypeDotIdExp::syntaxCopy() | |
| 3298 { | |
| 3299 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3300 return te; | |
| 3301 } | |
| 3302 | |
| 3303 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3304 { Expression *e; | |
| 3305 | |
| 3306 #if LOGSEMANTIC | |
| 3307 printf("TypeDotIdExp::semantic()\n"); | |
| 3308 #endif | |
| 3309 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3310 e = e->semantic(sc); | |
| 3311 return e; | |
| 3312 } | |
| 3313 | |
| 3314 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3315 { | |
| 3316 buf->writeByte('('); | |
| 3317 type->toCBuffer(buf, NULL, hgs); | |
| 3318 buf->writeByte(')'); | |
| 3319 buf->writeByte('.'); | |
| 3320 buf->writestring(ident->toChars()); | |
| 3321 } | |
| 3322 | |
| 3323 /************************************************************/ | |
| 3324 | |
| 3325 // Mainly just a placeholder | |
| 3326 | |
| 3327 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3328 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3329 { | |
| 3330 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3331 this->type = type; | |
| 3332 } | |
| 3333 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3334 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3335 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3336 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3337 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3338 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3339 |
| 159 | 3340 Expression *TypeExp::semantic(Scope *sc) |
| 3341 { | |
| 3342 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3343 type = type->semantic(loc, sc); | |
| 3344 return this; | |
| 3345 } | |
| 3346 | |
| 3347 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3348 { | |
| 3349 type->toCBuffer(buf, NULL, hgs); | |
| 3350 } | |
| 3351 | |
| 3352 /************************************************************/ | |
| 3353 | |
| 3354 // Mainly just a placeholder | |
| 3355 | |
| 3356 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3357 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3358 { | |
| 3359 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3360 //static int count; if (++count == 38) *(char*)0=0; | |
| 3361 this->sds = pkg; | |
| 3362 } | |
| 3363 | |
| 3364 Expression *ScopeExp::syntaxCopy() | |
| 3365 { | |
| 3366 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3367 return se; | |
| 3368 } | |
| 3369 | |
| 3370 Expression *ScopeExp::semantic(Scope *sc) | |
| 3371 { | |
| 3372 TemplateInstance *ti; | |
| 3373 ScopeDsymbol *sds2; | |
| 3374 | |
| 3375 #if LOGSEMANTIC | |
| 3376 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3377 #endif | |
| 3378 Lagain: | |
| 3379 ti = sds->isTemplateInstance(); | |
| 3380 if (ti && !global.errors) | |
| 3381 { Dsymbol *s; | |
| 3382 if (!ti->semanticdone) | |
| 3383 ti->semantic(sc); | |
| 3384 s = ti->inst->toAlias(); | |
| 3385 sds2 = s->isScopeDsymbol(); | |
| 3386 if (!sds2) | |
| 3387 { Expression *e; | |
| 3388 | |
| 3389 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3390 if (ti->withsym) | |
| 3391 { | |
| 3392 // Same as wthis.s | |
| 3393 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3394 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3395 } | |
| 3396 else | |
| 3397 e = new DsymbolExp(loc, s); | |
| 3398 e = e->semantic(sc); | |
| 3399 //printf("-1ScopeExp::semantic()\n"); | |
| 3400 return e; | |
| 3401 } | |
| 3402 if (sds2 != sds) | |
| 3403 { | |
| 3404 sds = sds2; | |
| 3405 goto Lagain; | |
| 3406 } | |
| 3407 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3408 } | |
| 3409 else | |
| 3410 { | |
| 3411 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3412 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3413 sds->semantic(sc); | |
| 3414 } | |
| 3415 type = Type::tvoid; | |
| 3416 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3417 return this; | |
| 3418 } | |
| 3419 | |
| 3420 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3421 { | |
| 3422 if (sds->isTemplateInstance()) | |
| 3423 { | |
| 3424 sds->toCBuffer(buf, hgs); | |
| 3425 } | |
| 3426 else | |
| 3427 { | |
| 3428 buf->writestring(sds->kind()); | |
| 3429 buf->writestring(" "); | |
| 3430 buf->writestring(sds->toChars()); | |
| 3431 } | |
| 3432 } | |
| 3433 | |
| 3434 /********************** TemplateExp **************************************/ | |
| 3435 | |
| 3436 // Mainly just a placeholder | |
| 3437 | |
| 3438 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3439 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3440 { | |
| 3441 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3442 this->td = td; | |
| 3443 } | |
| 3444 | |
| 3445 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3446 { | |
| 3447 buf->writestring(td->toChars()); | |
| 3448 } | |
| 3449 | |
| 3450 void TemplateExp::rvalue() | |
| 3451 { | |
| 3452 error("template %s has no value", toChars()); | |
| 3453 } | |
| 3454 | |
| 3455 /********************** NewExp **************************************/ | |
| 3456 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3457 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3458 |
| 159 | 3459 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3460 Type *newtype, Expressions *arguments) | |
| 3461 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3462 { | |
| 3463 this->thisexp = thisexp; | |
| 3464 this->newargs = newargs; | |
| 3465 this->newtype = newtype; | |
| 3466 this->arguments = arguments; | |
| 3467 member = NULL; | |
| 3468 allocator = NULL; | |
| 3469 onstack = 0; | |
| 3470 } | |
| 3471 | |
| 3472 Expression *NewExp::syntaxCopy() | |
| 3473 { | |
| 3474 return new NewExp(loc, | |
| 3475 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3476 arraySyntaxCopy(newargs), | |
| 3477 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3478 } | |
| 3479 | |
| 3480 | |
| 3481 Expression *NewExp::semantic(Scope *sc) | |
| 3482 { int i; | |
| 3483 Type *tb; | |
| 3484 ClassDeclaration *cdthis = NULL; | |
| 3485 | |
| 3486 #if LOGSEMANTIC | |
| 3487 printf("NewExp::semantic() %s\n", toChars()); | |
| 3488 if (thisexp) | |
| 3489 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3490 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3491 #endif | |
| 3492 if (type) // if semantic() already run | |
| 3493 return this; | |
| 3494 | |
| 3495 Lagain: | |
| 3496 if (thisexp) | |
| 3497 { thisexp = thisexp->semantic(sc); | |
| 3498 cdthis = thisexp->type->isClassHandle(); | |
| 3499 if (cdthis) | |
| 3500 { | |
| 3501 sc = sc->push(cdthis); | |
| 3502 type = newtype->semantic(loc, sc); | |
| 3503 sc = sc->pop(); | |
| 3504 } | |
| 3505 else | |
| 3506 { | |
| 3507 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3508 type = newtype->semantic(loc, sc); | |
| 3509 } | |
| 3510 } | |
| 3511 else | |
| 3512 type = newtype->semantic(loc, sc); | |
| 3513 newtype = type; // in case type gets cast to something else | |
| 3514 tb = type->toBasetype(); | |
| 3515 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3516 | |
| 3517 arrayExpressionSemantic(newargs, sc); | |
| 3518 preFunctionArguments(loc, sc, newargs); | |
| 3519 arrayExpressionSemantic(arguments, sc); | |
| 3520 preFunctionArguments(loc, sc, arguments); | |
| 3521 | |
| 3522 if (thisexp && tb->ty != Tclass) | |
| 3523 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3524 | |
| 3525 if (tb->ty == Tclass) | |
| 3526 { TypeFunction *tf; | |
| 3527 | |
| 3528 TypeClass *tc = (TypeClass *)(tb); | |
| 3529 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3530 if (cd->isInterfaceDeclaration()) | |
| 3531 error("cannot create instance of interface %s", cd->toChars()); | |
| 3532 else if (cd->isAbstract()) | |
| 3533 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3534 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3535 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3536 if (fd && fd->isAbstract()) | |
| 3537 error("function %s is abstract", fd->toChars()); | |
| 3538 } | |
| 3539 } | |
| 3540 checkDeprecated(sc, cd); | |
| 3541 if (cd->isNested()) | |
| 3542 { /* We need a 'this' pointer for the nested class. | |
| 3543 * Ensure we have the right one. | |
| 3544 */ | |
| 3545 Dsymbol *s = cd->toParent2(); | |
| 3546 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
|
3547 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3548 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3549 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3550 if (cdn) |
| 3551 { | |
| 3552 if (!cdthis) | |
| 3553 { | |
| 3554 // Supply an implicit 'this' and try again | |
| 3555 thisexp = new ThisExp(loc); | |
| 3556 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3557 { if (!sp) | |
| 3558 { | |
| 3559 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3560 break; | |
| 3561 } | |
| 3562 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3563 if (!cdp) | |
| 3564 continue; | |
| 3565 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3566 break; | |
| 3567 // Add a '.outer' and try again | |
| 3568 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3569 } | |
| 3570 if (!global.errors) | |
| 3571 goto Lagain; | |
| 3572 } | |
| 3573 if (cdthis) | |
| 3574 { | |
| 3575 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3576 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3577 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3578 } | |
| 3579 #if 0 | |
| 3580 else | |
| 3581 { | |
| 3582 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3583 { | |
| 3584 if (!sf) | |
| 3585 { | |
| 3586 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3587 break; | |
| 3588 } | |
| 3589 printf("sf = %s\n", sf->toChars()); | |
| 3590 AggregateDeclaration *ad = sf->isThis(); | |
| 3591 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3592 break; | |
| 3593 } | |
| 3594 } | |
| 3595 #endif | |
| 3596 } | |
| 3597 else if (thisexp) | |
| 3598 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
|
3599 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
|
3600 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3601 // 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
|
3602 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
|
3603 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3604 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
|
3605 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3606 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
|
3607 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
|
3608 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3609 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
|
3610 break; |
|
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 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3614 } |
| 159 | 3615 } |
| 3616 else if (thisexp) | |
| 3617 error("e.new is only for allocating nested classes"); | |
| 3618 | |
| 3619 FuncDeclaration *f = cd->ctor; | |
| 3620 if (f) | |
| 3621 { | |
| 3622 assert(f); | |
| 3623 f = f->overloadResolve(loc, arguments); | |
| 3624 checkDeprecated(sc, f); | |
| 3625 member = f->isCtorDeclaration(); | |
| 3626 assert(member); | |
| 3627 | |
| 3628 cd->accessCheck(loc, sc, member); | |
| 3629 | |
| 3630 tf = (TypeFunction *)f->type; | |
| 3631 type = tf->next; | |
| 3632 | |
| 3633 if (!arguments) | |
| 3634 arguments = new Expressions(); | |
| 3635 functionArguments(loc, sc, tf, arguments); | |
| 3636 } | |
| 3637 else | |
| 3638 { | |
| 3639 if (arguments && arguments->dim) | |
| 3640 error("no constructor for %s", cd->toChars()); | |
| 3641 } | |
| 3642 | |
| 3643 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3644 { |
|
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
|
3645 // 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
|
3646 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3647 if (!newargs) |
| 3648 newargs = new Expressions(); | |
| 3649 newargs->shift(e); | |
| 3650 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3651 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3652 allocator = f->isNewDeclaration(); |
| 3653 assert(allocator); | |
| 3654 | |
| 3655 tf = (TypeFunction *)f->type; | |
| 3656 functionArguments(loc, sc, tf, newargs); | |
| 3657 } | |
| 3658 else | |
| 3659 { | |
| 3660 if (newargs && newargs->dim) | |
| 3661 error("no allocator for %s", cd->toChars()); | |
| 3662 } | |
| 3663 } | |
| 3664 else if (tb->ty == Tstruct) | |
| 3665 { | |
| 3666 TypeStruct *ts = (TypeStruct *)tb; | |
| 3667 StructDeclaration *sd = ts->sym; | |
| 3668 FuncDeclaration *f = sd->aggNew; | |
| 3669 TypeFunction *tf; | |
| 3670 | |
| 3671 if (arguments && arguments->dim) | |
| 3672 error("no constructor for %s", type->toChars()); | |
| 3673 | |
| 3674 if (f) | |
| 3675 { | |
| 3676 Expression *e; | |
| 3677 | |
| 3678 // Prepend the uint size argument to newargs[] | |
| 3679 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3680 if (!newargs) | |
| 3681 newargs = new Expressions(); | |
| 3682 newargs->shift(e); | |
| 3683 | |
| 3684 f = f->overloadResolve(loc, newargs); | |
| 3685 allocator = f->isNewDeclaration(); | |
| 3686 assert(allocator); | |
| 3687 | |
| 3688 tf = (TypeFunction *)f->type; | |
| 3689 functionArguments(loc, sc, tf, newargs); | |
| 3690 | |
| 3691 e = new VarExp(loc, f); | |
| 3692 e = new CallExp(loc, e, newargs); | |
| 3693 e = e->semantic(sc); | |
| 3694 e->type = type->pointerTo(); | |
| 3695 return e; | |
| 3696 } | |
| 3697 | |
| 3698 type = type->pointerTo(); | |
| 3699 } | |
| 3700 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3701 { | |
| 3702 for (size_t i = 0; i < arguments->dim; i++) | |
| 3703 { | |
| 3704 if (tb->ty != Tarray) | |
| 3705 { error("too many arguments for array"); | |
| 3706 arguments->dim = i; | |
| 3707 break; | |
| 3708 } | |
| 3709 | |
| 3710 Expression *arg = (Expression *)arguments->data[i]; | |
| 3711 arg = resolveProperties(sc, arg); | |
| 3712 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3713 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3714 error("negative array index %s", arg->toChars()); | |
| 3715 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
|
3716 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3717 } |
| 3718 } | |
| 3719 else if (tb->isscalar()) | |
| 3720 { | |
| 3721 if (arguments && arguments->dim) | |
| 3722 error("no constructor for %s", type->toChars()); | |
| 3723 | |
| 3724 type = type->pointerTo(); | |
| 3725 } | |
| 3726 else | |
| 3727 { | |
| 3728 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3729 type = type->pointerTo(); | |
| 3730 } | |
| 3731 | |
| 3732 //printf("NewExp: '%s'\n", toChars()); | |
| 3733 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3734 | |
| 3735 return this; | |
| 3736 } | |
| 3737 | |
| 3738 int NewExp::checkSideEffect(int flag) | |
| 3739 { | |
| 3740 return 1; | |
| 3741 } | |
| 3742 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3743 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3744 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3745 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3747 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3748 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3749 |
| 159 | 3750 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3751 { int i; | |
| 3752 | |
| 3753 if (thisexp) | |
| 3754 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3755 buf->writeByte('.'); | |
| 3756 } | |
| 3757 buf->writestring("new "); | |
| 3758 if (newargs && newargs->dim) | |
| 3759 { | |
| 3760 buf->writeByte('('); | |
| 3761 argsToCBuffer(buf, newargs, hgs); | |
| 3762 buf->writeByte(')'); | |
| 3763 } | |
| 3764 newtype->toCBuffer(buf, NULL, hgs); | |
| 3765 if (arguments && arguments->dim) | |
| 3766 { | |
| 3767 buf->writeByte('('); | |
| 3768 argsToCBuffer(buf, arguments, hgs); | |
| 3769 buf->writeByte(')'); | |
| 3770 } | |
| 3771 } | |
| 3772 | |
| 3773 /********************** NewAnonClassExp **************************************/ | |
| 3774 | |
| 3775 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3776 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3777 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3778 { | |
| 3779 this->thisexp = thisexp; | |
| 3780 this->newargs = newargs; | |
| 3781 this->cd = cd; | |
| 3782 this->arguments = arguments; | |
| 3783 } | |
| 3784 | |
| 3785 Expression *NewAnonClassExp::syntaxCopy() | |
| 3786 { | |
| 3787 return new NewAnonClassExp(loc, | |
| 3788 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3789 arraySyntaxCopy(newargs), | |
| 3790 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3791 arraySyntaxCopy(arguments)); | |
| 3792 } | |
| 3793 | |
| 3794 | |
| 3795 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3796 { | |
| 3797 #if LOGSEMANTIC | |
| 3798 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3799 //printf("thisexp = %p\n", thisexp); |
| 159 | 3800 //printf("type: %s\n", type->toChars()); |
| 3801 #endif | |
| 3802 | |
| 3803 Expression *d = new DeclarationExp(loc, cd); | |
| 3804 d = d->semantic(sc); | |
| 3805 | |
| 3806 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3807 | |
| 3808 Expression *c = new CommaExp(loc, d, n); | |
| 3809 return c->semantic(sc); | |
| 3810 } | |
| 3811 | |
| 3812 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3813 { | |
| 3814 return 1; | |
| 3815 } | |
| 3816 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3817 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3818 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3819 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3820 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3821 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3822 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3823 |
| 159 | 3824 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3825 { int i; | |
| 3826 | |
| 3827 if (thisexp) | |
| 3828 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3829 buf->writeByte('.'); | |
| 3830 } | |
| 3831 buf->writestring("new"); | |
| 3832 if (newargs && newargs->dim) | |
| 3833 { | |
| 3834 buf->writeByte('('); | |
| 3835 argsToCBuffer(buf, newargs, hgs); | |
| 3836 buf->writeByte(')'); | |
| 3837 } | |
| 3838 buf->writestring(" class "); | |
| 3839 if (arguments && arguments->dim) | |
| 3840 { | |
| 3841 buf->writeByte('('); | |
| 3842 argsToCBuffer(buf, arguments, hgs); | |
| 3843 buf->writeByte(')'); | |
| 3844 } | |
| 3845 //buf->writestring(" { }"); | |
| 3846 if (cd) | |
| 3847 { | |
| 3848 cd->toCBuffer(buf, hgs); | |
| 3849 } | |
| 3850 } | |
| 3851 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3852 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3853 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3854 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3855 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
|
3856 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3857 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3858 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3859 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3863 |
| 159 | 3864 /********************** SymOffExp **************************************/ |
| 3865 | |
| 3866 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3867 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3868 { | |
| 3869 assert(var); | |
| 3870 this->var = var; | |
| 3871 this->offset = offset; | |
| 3872 VarDeclaration *v = var->isVarDeclaration(); | |
| 3873 if (v && v->needThis()) | |
| 3874 error("need 'this' for address of %s", v->toChars()); | |
| 3875 } | |
| 3876 | |
| 3877 Expression *SymOffExp::semantic(Scope *sc) | |
| 3878 { | |
| 3879 #if LOGSEMANTIC | |
| 3880 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3881 #endif | |
| 3882 //var->semantic(sc); | |
| 3883 if (!type) | |
| 3884 type = var->type->pointerTo(); | |
| 3885 VarDeclaration *v = var->isVarDeclaration(); | |
| 3886 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3887 v->checkNestedReference(sc, loc); |
| 159 | 3888 return this; |
| 3889 } | |
| 3890 | |
| 3891 int SymOffExp::isBool(int result) | |
| 3892 { | |
| 3893 return result ? TRUE : FALSE; | |
| 3894 } | |
| 3895 | |
| 3896 void SymOffExp::checkEscape() | |
| 3897 { | |
| 3898 VarDeclaration *v = var->isVarDeclaration(); | |
| 3899 if (v) | |
| 3900 { | |
| 3901 if (!v->isDataseg()) | |
| 3902 error("escaping reference to local variable %s", v->toChars()); | |
| 3903 } | |
| 3904 } | |
| 3905 | |
| 3906 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3907 { | |
| 3908 if (offset) | |
| 3909 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3910 else | |
| 3911 buf->printf("& %s", var->toChars()); | |
| 3912 } | |
| 3913 | |
| 3914 /******************************** VarExp **************************/ | |
| 3915 | |
| 3916 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3917 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3918 { | |
| 3919 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3920 this->var = var; | |
| 3921 this->type = var->type; | |
| 3922 } | |
| 3923 | |
| 3924 int VarExp::equals(Object *o) | |
| 3925 { VarExp *ne; | |
| 3926 | |
| 3927 if (this == o || | |
| 3928 (((Expression *)o)->op == TOKvar && | |
| 3929 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3930 var == ne->var)) | |
| 3931 return 1; | |
| 3932 return 0; | |
| 3933 } | |
| 3934 | |
| 3935 Expression *VarExp::semantic(Scope *sc) | |
| 3936 { FuncLiteralDeclaration *fd; | |
| 3937 | |
| 3938 #if LOGSEMANTIC | |
| 3939 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3940 #endif | |
| 3941 if (!type) | |
| 3942 { type = var->type; | |
| 3943 #if 0 | |
| 3944 if (var->storage_class & STClazy) | |
| 3945 { | |
| 3946 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3947 type = new TypeDelegate(tf); | |
| 3948 type = type->semantic(loc, sc); | |
| 3949 } | |
| 3950 #endif | |
| 3951 } | |
|
875
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parents:
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diff
changeset
|
3952 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3953 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3954 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3955 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3956 //accessCheck(loc, sc, NULL, var); |
| 159 | 3957 |
| 3958 VarDeclaration *v = var->isVarDeclaration(); | |
| 3959 if (v) | |
| 3960 { | |
| 3961 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3962 { | |
| 3963 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3964 if (ei) | |
| 3965 { | |
| 3966 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3967 return ei->exp->implicitCastTo(sc, type); | |
| 3968 } | |
| 3969 } | |
| 3970 v->checkNestedReference(sc, loc); | |
|
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diff
changeset
|
3971 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3972 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3973 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3974 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3975 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
|
3976 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3977 #endif |
| 159 | 3978 } |
| 3979 #if 0 | |
| 3980 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3981 { Expression *e; | |
| 3982 e = new FuncExp(loc, fd); | |
| 3983 e->type = type; | |
| 3984 return e; | |
| 3985 } | |
| 3986 #endif | |
| 3987 return this; | |
| 3988 } | |
| 3989 | |
| 3990 char *VarExp::toChars() | |
| 3991 { | |
| 3992 return var->toChars(); | |
| 3993 } | |
| 3994 | |
| 3995 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3996 { | |
| 3997 buf->writestring(var->toChars()); | |
| 3998 } | |
| 3999 | |
| 4000 void VarExp::checkEscape() | |
| 4001 { | |
| 4002 VarDeclaration *v = var->isVarDeclaration(); | |
| 4003 if (v) | |
| 4004 { Type *tb = v->type->toBasetype(); | |
| 4005 // if reference type | |
| 4006 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4007 { | |
| 4008 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4009 error("escaping reference to auto local %s", v->toChars()); | |
| 4010 else if (v->storage_class & STCvariadic) | |
| 4011 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4012 } | |
| 4013 } | |
| 4014 } | |
| 4015 | |
|
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Merged DMD 1.038
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|
4016 #if DMDV2 |
|
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Merged DMD 1.038
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|
4017 int VarExp::isLvalue() |
|
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Merged DMD 1.038
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|
4018 { |
|
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diff
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|
4019 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4020 return 0; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4021 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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|
4022 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
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|
4023 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4024 |
| 159 | 4025 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4026 { | |
| 4027 #if 0 | |
| 4028 tym = tybasic(e1->ET->Tty); | |
| 4029 if (!(tyscalar(tym) || | |
| 4030 tym == TYstruct || | |
| 4031 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4032 synerr(EM_lvalue); // lvalue expected | |
| 4033 #endif | |
| 4034 if (var->storage_class & STClazy) | |
| 4035 error("lazy variables cannot be lvalues"); | |
| 4036 return this; | |
| 4037 } | |
| 4038 | |
| 4039 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4040 { | |
| 4041 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4042 if (sc->incontract && var->isParameter()) | |
| 4043 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4044 | |
| 4045 if (type && type->toBasetype()->ty == Tsarray) | |
| 4046 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4047 | |
| 4048 VarDeclaration *v = var->isVarDeclaration(); | |
| 4049 if (v && v->canassign == 0 && | |
| 4050 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4051 error("cannot modify final variable '%s'", var->toChars()); | |
| 4052 | |
| 4053 if (var->isCtorinit()) | |
| 4054 { // It's only modifiable if inside the right constructor | |
| 4055 Dsymbol *s = sc->func; | |
| 4056 while (1) | |
| 4057 { | |
| 4058 FuncDeclaration *fd = NULL; | |
| 4059 if (s) | |
| 4060 fd = s->isFuncDeclaration(); | |
| 4061 if (fd && | |
| 4062 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4063 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4064 fd->toParent() == var->toParent() | |
| 4065 ) | |
| 4066 { | |
| 4067 VarDeclaration *v = var->isVarDeclaration(); | |
| 4068 assert(v); | |
| 4069 v->ctorinit = 1; | |
| 4070 //printf("setting ctorinit\n"); | |
| 4071 } | |
| 4072 else | |
| 4073 { | |
| 4074 if (s) | |
| 4075 { s = s->toParent2(); | |
| 4076 continue; | |
| 4077 } | |
| 4078 else | |
| 4079 { | |
| 4080 const char *p = var->isStatic() ? "static " : ""; | |
| 4081 error("can only initialize %sconst %s inside %sconstructor", | |
| 4082 p, var->toChars(), p); | |
| 4083 } | |
| 4084 } | |
| 4085 break; | |
| 4086 } | |
| 4087 } | |
| 4088 | |
| 4089 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4090 return toLvalue(sc, e); | |
| 4091 } | |
| 4092 | |
| 4093 | |
|
510
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diff
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|
4094 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4095 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4096 #if DMDV2 |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4097 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>
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diff
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|
4098 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4099 { |
|
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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
|
4100 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4101 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4102 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
|
4103 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4104 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4105 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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|
4106 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4107 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4110 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
|
4111 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4112 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
|
4113 } |
|
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
|
4114 #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
|
4115 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4116 |
| 159 | 4117 /******************************** TupleExp **************************/ |
| 4118 | |
| 4119 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4120 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4121 { | |
| 4122 //printf("TupleExp(this = %p)\n", this); | |
| 4123 this->exps = exps; | |
| 4124 this->type = NULL; | |
| 4125 } | |
| 4126 | |
| 4127 | |
| 4128 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4129 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4130 { | |
| 4131 exps = new Expressions(); | |
| 4132 type = NULL; | |
| 4133 | |
| 4134 exps->reserve(tup->objects->dim); | |
| 4135 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4136 { Object *o = (Object *)tup->objects->data[i]; | |
| 4137 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4138 { | |
| 4139 Expression *e = (Expression *)o; | |
| 4140 e = e->syntaxCopy(); | |
| 4141 exps->push(e); | |
| 4142 } | |
| 4143 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4144 { | |
| 4145 Dsymbol *s = (Dsymbol *)o; | |
| 4146 Expression *e = new DsymbolExp(loc, s); | |
| 4147 exps->push(e); | |
| 4148 } | |
| 4149 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4150 { | |
| 4151 Type *t = (Type *)o; | |
| 4152 Expression *e = new TypeExp(loc, t); | |
| 4153 exps->push(e); | |
| 4154 } | |
| 4155 else | |
| 4156 { | |
| 4157 error("%s is not an expression", o->toChars()); | |
| 4158 } | |
| 4159 } | |
| 4160 } | |
| 4161 | |
| 4162 int TupleExp::equals(Object *o) | |
| 4163 { TupleExp *ne; | |
| 4164 | |
| 4165 if (this == o) | |
| 4166 return 1; | |
| 4167 if (((Expression *)o)->op == TOKtuple) | |
| 4168 { | |
| 4169 TupleExp *te = (TupleExp *)o; | |
| 4170 if (exps->dim != te->exps->dim) | |
| 4171 return 0; | |
| 4172 for (size_t i = 0; i < exps->dim; i++) | |
| 4173 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4174 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4175 | |
| 4176 if (!e1->equals(e2)) | |
| 4177 return 0; | |
| 4178 } | |
| 4179 return 1; | |
| 4180 } | |
| 4181 return 0; | |
| 4182 } | |
| 4183 | |
| 4184 Expression *TupleExp::syntaxCopy() | |
| 4185 { | |
| 4186 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4187 } | |
| 4188 | |
| 4189 Expression *TupleExp::semantic(Scope *sc) | |
| 4190 { | |
| 4191 #if LOGSEMANTIC | |
| 4192 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4193 #endif | |
| 4194 if (type) | |
| 4195 return this; | |
| 4196 | |
| 4197 // Run semantic() on each argument | |
| 4198 for (size_t i = 0; i < exps->dim; i++) | |
| 4199 { Expression *e = (Expression *)exps->data[i]; | |
| 4200 | |
| 4201 e = e->semantic(sc); | |
| 4202 if (!e->type) | |
| 4203 { error("%s has no value", e->toChars()); | |
| 4204 e->type = Type::terror; | |
| 4205 } | |
| 4206 exps->data[i] = (void *)e; | |
| 4207 } | |
| 4208 | |
| 4209 expandTuples(exps); | |
| 4210 if (0 && exps->dim == 1) | |
| 4211 { | |
| 4212 return (Expression *)exps->data[0]; | |
| 4213 } | |
| 4214 type = new TypeTuple(exps); | |
| 4215 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4216 return this; | |
| 4217 } | |
| 4218 | |
| 4219 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4220 { | |
| 4221 buf->writestring("tuple("); | |
| 4222 argsToCBuffer(buf, exps, hgs); | |
| 4223 buf->writeByte(')'); | |
| 4224 } | |
| 4225 | |
| 4226 int TupleExp::checkSideEffect(int flag) | |
| 4227 { int f = 0; | |
| 4228 | |
| 4229 for (int i = 0; i < exps->dim; i++) | |
| 4230 { Expression *e = (Expression *)exps->data[i]; | |
| 4231 | |
| 4232 f |= e->checkSideEffect(2); | |
| 4233 } | |
| 4234 if (flag == 0 && f == 0) | |
| 4235 Expression::checkSideEffect(0); | |
| 4236 return f; | |
| 4237 } | |
| 4238 | |
|
875
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
4239 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4240 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4241 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4242 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4243 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
4244 #endif |
|
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parents:
846
diff
changeset
|
4245 |
| 159 | 4246 void TupleExp::checkEscape() |
| 4247 { | |
| 4248 for (size_t i = 0; i < exps->dim; i++) | |
| 4249 { Expression *e = (Expression *)exps->data[i]; | |
| 4250 e->checkEscape(); | |
| 4251 } | |
| 4252 } | |
| 4253 | |
| 4254 /******************************** FuncExp *********************************/ | |
| 4255 | |
| 4256 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4257 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4258 { | |
| 4259 this->fd = fd; | |
| 4260 } | |
| 4261 | |
| 4262 Expression *FuncExp::syntaxCopy() | |
| 4263 { | |
| 4264 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4265 } | |
| 4266 | |
| 4267 Expression *FuncExp::semantic(Scope *sc) | |
| 4268 { | |
| 4269 #if LOGSEMANTIC | |
| 4270 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4271 #endif | |
| 4272 if (!type) | |
| 4273 { | |
| 4274 fd->semantic(sc); | |
| 4275 fd->parent = sc->parent; | |
| 4276 if (global.errors) | |
| 4277 { | |
| 4278 if (!fd->type->next) | |
| 4279 fd->type->next = Type::terror; | |
| 4280 } | |
| 4281 else | |
| 4282 { | |
| 4283 fd->semantic2(sc); | |
| 4284 if (!global.errors) | |
| 4285 { | |
| 4286 fd->semantic3(sc); | |
| 4287 | |
| 4288 if (!global.errors && global.params.useInline) | |
| 4289 fd->inlineScan(); | |
| 4290 } | |
| 4291 } | |
| 4292 | |
| 4293 // Type is a "delegate to" or "pointer to" the function literal | |
| 4294 if (fd->isNested()) | |
| 4295 { | |
| 4296 type = new TypeDelegate(fd->type); | |
| 4297 type = type->semantic(loc, sc); | |
| 4298 } | |
| 4299 else | |
| 4300 { | |
| 4301 type = fd->type->pointerTo(); | |
| 4302 } | |
| 4303 } | |
| 4304 return this; | |
| 4305 } | |
| 4306 | |
| 4307 char *FuncExp::toChars() | |
| 4308 { | |
| 4309 return fd->toChars(); | |
| 4310 } | |
| 4311 | |
| 4312 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4313 { | |
| 4314 buf->writestring(fd->toChars()); | |
| 4315 } | |
| 4316 | |
| 4317 | |
| 4318 /******************************** DeclarationExp **************************/ | |
| 4319 | |
| 4320 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4321 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4322 { | |
| 4323 this->declaration = declaration; | |
| 4324 } | |
| 4325 | |
| 4326 Expression *DeclarationExp::syntaxCopy() | |
| 4327 { | |
| 4328 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4329 } | |
| 4330 | |
| 4331 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4332 { | |
| 4333 if (type) | |
| 4334 return this; | |
| 4335 | |
| 4336 #if LOGSEMANTIC | |
| 4337 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4338 #endif | |
| 4339 | |
| 4340 /* This is here to support extern(linkage) declaration, | |
| 4341 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4342 * wrapper. | |
| 4343 */ | |
| 4344 Dsymbol *s = declaration; | |
| 4345 | |
| 4346 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4347 if (ad) | |
| 4348 { | |
| 4349 if (ad->decl && ad->decl->dim == 1) | |
| 4350 s = (Dsymbol *)ad->decl->data[0]; | |
| 4351 } | |
| 4352 | |
| 4353 if (s->isVarDeclaration()) | |
| 4354 { // Do semantic() on initializer first, so: | |
| 4355 // int a = a; | |
| 4356 // will be illegal. | |
| 4357 declaration->semantic(sc); | |
| 4358 s->parent = sc->parent; | |
| 4359 } | |
| 4360 | |
| 4361 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4362 // Insert into both local scope and function scope. | |
| 4363 // Must be unique in both. | |
| 4364 if (s->ident) | |
| 4365 { | |
| 4366 if (!sc->insert(s)) | |
| 4367 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4368 else if (sc->func) | |
| 4369 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4370 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4371 !sc->func->localsymtab->insert(s)) | |
| 4372 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4373 else if (!global.params.useDeprecated) | |
| 4374 { // Disallow shadowing | |
| 4375 | |
| 4376 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4377 { Dsymbol *s2; | |
| 4378 | |
| 4379 if (scx->scopesym && scx->scopesym->symtab && | |
| 4380 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4381 s != s2) | |
| 4382 { | |
| 4383 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4384 } | |
| 4385 } | |
| 4386 } | |
| 4387 } | |
| 4388 } | |
| 4389 if (!s->isVarDeclaration()) | |
| 4390 { | |
| 4391 declaration->semantic(sc); | |
| 4392 s->parent = sc->parent; | |
| 4393 } | |
| 4394 if (!global.errors) | |
| 4395 { | |
| 4396 declaration->semantic2(sc); | |
| 4397 if (!global.errors) | |
| 4398 { | |
| 4399 declaration->semantic3(sc); | |
| 4400 | |
| 4401 if (!global.errors && global.params.useInline) | |
| 4402 declaration->inlineScan(); | |
| 4403 } | |
| 4404 } | |
| 4405 | |
| 4406 type = Type::tvoid; | |
| 4407 return this; | |
| 4408 } | |
| 4409 | |
| 4410 int DeclarationExp::checkSideEffect(int flag) | |
| 4411 { | |
| 4412 return 1; | |
| 4413 } | |
| 4414 | |
|
875
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parents:
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diff
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|
4415 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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846
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changeset
|
4416 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4417 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4418 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 |
| 159 | 4427 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4428 { | |
| 4429 declaration->toCBuffer(buf, hgs); | |
| 4430 } | |
| 4431 | |
| 4432 | |
| 4433 /************************ TypeidExp ************************************/ | |
| 4434 | |
| 4435 /* | |
| 4436 * typeid(int) | |
| 4437 */ | |
| 4438 | |
| 4439 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4440 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4441 { | |
| 4442 this->typeidType = typeidType; | |
| 4443 } | |
| 4444 | |
| 4445 | |
| 4446 Expression *TypeidExp::syntaxCopy() | |
| 4447 { | |
| 4448 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4449 } | |
| 4450 | |
| 4451 | |
| 4452 Expression *TypeidExp::semantic(Scope *sc) | |
| 4453 { Expression *e; | |
| 4454 | |
| 4455 #if LOGSEMANTIC | |
| 4456 printf("TypeidExp::semantic()\n"); | |
| 4457 #endif | |
| 4458 typeidType = typeidType->semantic(loc, sc); | |
| 4459 e = typeidType->getTypeInfo(sc); | |
| 336 | 4460 if (e->loc.linnum == 0) |
| 4461 e->loc = loc; // so there's at least some line number info | |
| 159 | 4462 return e; |
| 4463 } | |
| 4464 | |
| 4465 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4466 { | |
| 4467 buf->writestring("typeid("); | |
| 4468 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4469 buf->writeByte(')'); | |
| 4470 } | |
| 4471 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4472 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4473 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4474 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4475 * __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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 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
|
4479 : 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
|
4480 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4481 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
|
4482 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4486 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
|
4487 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4488 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 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
|
4493 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4494 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
|
4495 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
|
4496 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
|
4497 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4498 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
|
4499 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4500 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
|
4501 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
|
4502 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
|
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 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4505 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
|
4506 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4507 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4508 |
| 159 | 4509 /************************************************************/ |
| 4510 | |
| 4511 HaltExp::HaltExp(Loc loc) | |
| 4512 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4513 { | |
| 4514 } | |
| 4515 | |
| 4516 Expression *HaltExp::semantic(Scope *sc) | |
| 4517 { | |
| 4518 #if LOGSEMANTIC | |
| 4519 printf("HaltExp::semantic()\n"); | |
| 4520 #endif | |
| 4521 type = Type::tvoid; | |
| 4522 return this; | |
| 4523 } | |
| 4524 | |
| 4525 int HaltExp::checkSideEffect(int flag) | |
| 4526 { | |
| 4527 return 1; | |
| 4528 } | |
| 4529 | |
| 4530 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4531 { | |
| 4532 buf->writestring("halt"); | |
| 4533 } | |
| 4534 | |
| 4535 /************************************************************/ | |
| 4536 | |
| 4537 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4538 Type *tspec, enum TOK tok2) | |
| 4539 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4540 { | |
| 4541 this->targ = targ; | |
| 4542 this->id = id; | |
| 4543 this->tok = tok; | |
| 4544 this->tspec = tspec; | |
| 4545 this->tok2 = tok2; | |
| 4546 } | |
| 4547 | |
| 4548 Expression *IsExp::syntaxCopy() | |
| 4549 { | |
| 4550 return new IsExp(loc, | |
| 4551 targ->syntaxCopy(), | |
| 4552 id, | |
| 4553 tok, | |
| 4554 tspec ? tspec->syntaxCopy() : NULL, | |
| 4555 tok2); | |
| 4556 } | |
| 4557 | |
| 4558 Expression *IsExp::semantic(Scope *sc) | |
| 4559 { Type *tded; | |
| 4560 | |
|
510
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 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
|
4562 * 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4565 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4566 if (id && !(sc->flags & SCOPEstaticif)) |
| 4567 error("can only declare type aliases within static if conditionals"); | |
| 4568 | |
| 4569 unsigned errors_save = global.errors; | |
| 4570 global.errors = 0; | |
| 4571 global.gag++; // suppress printing of error messages | |
| 4572 targ = targ->semantic(loc, sc); | |
| 4573 global.gag--; | |
| 4574 unsigned gerrors = global.errors; | |
| 4575 global.errors = errors_save; | |
| 4576 | |
| 4577 if (gerrors) // if any errors happened | |
| 4578 { // then condition is false | |
| 4579 goto Lno; | |
| 4580 } | |
| 4581 else if (tok2 != TOKreserved) | |
| 4582 { | |
| 4583 switch (tok2) | |
| 4584 { | |
| 4585 case TOKtypedef: | |
| 4586 if (targ->ty != Ttypedef) | |
| 4587 goto Lno; | |
| 4588 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4589 break; | |
| 4590 | |
| 4591 case TOKstruct: | |
| 4592 if (targ->ty != Tstruct) | |
| 4593 goto Lno; | |
| 4594 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4595 goto Lno; | |
| 4596 tded = targ; | |
| 4597 break; | |
| 4598 | |
| 4599 case TOKunion: | |
| 4600 if (targ->ty != Tstruct) | |
| 4601 goto Lno; | |
| 4602 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4603 goto Lno; | |
| 4604 tded = targ; | |
| 4605 break; | |
| 4606 | |
| 4607 case TOKclass: | |
| 4608 if (targ->ty != Tclass) | |
| 4609 goto Lno; | |
| 4610 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4611 goto Lno; | |
| 4612 tded = targ; | |
| 4613 break; | |
| 4614 | |
| 4615 case TOKinterface: | |
| 4616 if (targ->ty != Tclass) | |
| 4617 goto Lno; | |
| 4618 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4619 goto Lno; | |
| 4620 tded = targ; | |
| 4621 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
|
4622 #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
|
4623 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
|
4624 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
|
4625 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
|
4626 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
|
4627 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4628 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4629 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4630 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
|
4631 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
|
4632 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
|
4633 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
|
4634 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4635 #endif |
| 159 | 4636 |
| 4637 case TOKsuper: | |
| 4638 // If class or interface, get the base class and interfaces | |
| 4639 if (targ->ty != Tclass) | |
| 4640 goto Lno; | |
| 4641 else | |
| 4642 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4643 Arguments *args = new Arguments; | |
| 4644 args->reserve(cd->baseclasses.dim); | |
| 4645 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4646 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4647 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4648 } | |
| 4649 tded = new TypeTuple(args); | |
| 4650 } | |
| 4651 break; | |
| 4652 | |
| 4653 case TOKenum: | |
| 4654 if (targ->ty != Tenum) | |
| 4655 goto Lno; | |
| 4656 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4657 break; | |
| 4658 | |
| 4659 case TOKdelegate: | |
| 4660 if (targ->ty != Tdelegate) | |
| 4661 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
|
4662 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4663 break; |
| 4664 | |
| 4665 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
|
4666 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4667 if (targ->ty != Tfunction) |
| 159 | 4668 goto Lno; |
| 4669 tded = targ; | |
| 4670 | |
| 4671 /* Generate tuple from function parameter types. | |
| 4672 */ | |
| 4673 assert(tded->ty == Tfunction); | |
| 4674 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4675 size_t dim = Argument::dim(params); | |
| 4676 Arguments *args = new Arguments; | |
| 4677 args->reserve(dim); | |
| 4678 for (size_t i = 0; i < dim; i++) | |
| 4679 { Argument *arg = Argument::getNth(params, i); | |
| 4680 assert(arg && arg->type); | |
| 4681 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4682 } | |
| 4683 tded = new TypeTuple(args); | |
| 4684 break; | |
| 4685 } | |
| 4686 case TOKreturn: | |
| 4687 /* Get the 'return type' for the function, | |
| 4688 * delegate, or pointer to function. | |
| 4689 */ | |
| 4690 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
|
4691 tded = ((TypeFunction *)targ)->next; |
| 159 | 4692 else if (targ->ty == Tdelegate) |
| 4693 tded = targ->next->next; | |
| 4694 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4695 tded = targ->next->next; | |
| 4696 else | |
| 4697 goto Lno; | |
| 4698 break; | |
| 4699 | |
| 4700 default: | |
| 4701 assert(0); | |
| 4702 } | |
| 4703 goto Lyes; | |
| 4704 } | |
| 4705 else if (id && tspec) | |
| 4706 { | |
| 4707 /* Evaluate to TRUE if targ matches tspec. | |
| 4708 * If TRUE, declare id as an alias for the specialized type. | |
| 4709 */ | |
| 4710 | |
| 4711 MATCH m; | |
| 4712 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4713 | |
| 4714 TemplateParameters parameters; | |
| 4715 parameters.setDim(1); | |
| 4716 parameters.data[0] = (void *)&tp; | |
| 4717 | |
| 4718 Objects dedtypes; | |
| 4719 dedtypes.setDim(1); | |
| 4720 dedtypes.data[0] = NULL; | |
| 4721 | |
| 4722 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4723 if (m == MATCHnomatch || | |
| 4724 (m != MATCHexact && tok == TOKequal)) | |
| 4725 goto Lno; | |
| 4726 else | |
| 4727 { | |
| 4728 assert(dedtypes.dim == 1); | |
| 4729 tded = (Type *)dedtypes.data[0]; | |
| 4730 if (!tded) | |
| 4731 tded = targ; | |
| 4732 goto Lyes; | |
| 4733 } | |
| 4734 } | |
| 4735 else if (id) | |
| 4736 { | |
| 4737 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4738 */ | |
| 4739 tded = targ; | |
| 4740 goto Lyes; | |
| 4741 } | |
| 4742 else if (tspec) | |
| 4743 { | |
| 4744 /* Evaluate to TRUE if targ matches tspec | |
| 4745 */ | |
| 4746 tspec = tspec->semantic(loc, sc); | |
| 4747 //printf("targ = %s\n", targ->toChars()); | |
| 4748 //printf("tspec = %s\n", tspec->toChars()); | |
| 4749 if (tok == TOKcolon) | |
| 4750 { if (targ->implicitConvTo(tspec)) | |
| 4751 goto Lyes; | |
| 4752 else | |
| 4753 goto Lno; | |
| 4754 } | |
| 4755 else /* == */ | |
| 4756 { if (targ->equals(tspec)) | |
| 4757 goto Lyes; | |
| 4758 else | |
| 4759 goto Lno; | |
| 4760 } | |
| 4761 } | |
| 4762 | |
| 4763 Lyes: | |
| 4764 if (id) | |
| 4765 { | |
| 4766 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4767 s->semantic(sc); | |
| 4768 sc->insert(s); | |
| 4769 if (sc->sd) | |
| 4770 s->addMember(sc, sc->sd, 1); | |
| 4771 } | |
| 4772 return new IntegerExp(1); | |
| 4773 | |
| 4774 Lno: | |
| 4775 return new IntegerExp(0); | |
| 4776 } | |
| 4777 | |
| 4778 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4779 { | |
| 4780 buf->writestring("is("); | |
| 4781 targ->toCBuffer(buf, id, hgs); | |
| 4782 if (tok2 != TOKreserved) | |
| 4783 { | |
| 4784 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4785 } | |
| 4786 else if (tspec) | |
| 4787 { | |
| 4788 if (tok == TOKcolon) | |
| 4789 buf->writestring(" : "); | |
| 4790 else | |
| 4791 buf->writestring(" == "); | |
| 4792 tspec->toCBuffer(buf, NULL, hgs); | |
| 4793 } | |
| 336 | 4794 #if DMDV2 |
| 159 | 4795 if (parameters) |
| 4796 { // First parameter is already output, so start with second | |
| 4797 for (int i = 1; i < parameters->dim; i++) | |
| 4798 { | |
| 4799 buf->writeByte(','); | |
| 4800 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4801 tp->toCBuffer(buf, hgs); | |
| 4802 } | |
| 4803 } | |
| 4804 #endif | |
| 4805 buf->writeByte(')'); | |
| 4806 } | |
| 4807 | |
| 4808 | |
| 4809 /************************************************************/ | |
| 4810 | |
| 4811 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4812 : Expression(loc, op, size) | |
| 4813 { | |
| 4814 this->e1 = e1; | |
| 4815 } | |
| 4816 | |
| 4817 Expression *UnaExp::syntaxCopy() | |
| 4818 { UnaExp *e; | |
| 4819 | |
| 4820 e = (UnaExp *)copy(); | |
| 4821 e->type = NULL; | |
| 4822 e->e1 = e->e1->syntaxCopy(); | |
| 4823 return e; | |
| 4824 } | |
| 4825 | |
| 4826 Expression *UnaExp::semantic(Scope *sc) | |
| 4827 { | |
| 4828 #if LOGSEMANTIC | |
| 4829 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4830 #endif | |
| 4831 e1 = e1->semantic(sc); | |
| 4832 // if (!e1->type) | |
| 4833 // error("%s has no value", e1->toChars()); | |
| 4834 return this; | |
| 4835 } | |
| 4836 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4837 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4838 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4839 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4840 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4841 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4842 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4843 |
| 159 | 4844 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4845 { | |
| 4846 buf->writestring(Token::toChars(op)); | |
| 4847 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4848 } | |
| 4849 | |
| 4850 /************************************************************/ | |
| 4851 | |
| 4852 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4853 : Expression(loc, op, size) | |
| 4854 { | |
| 4855 this->e1 = e1; | |
| 4856 this->e2 = e2; | |
| 4857 } | |
| 4858 | |
| 4859 Expression *BinExp::syntaxCopy() | |
| 4860 { BinExp *e; | |
| 4861 | |
| 4862 e = (BinExp *)copy(); | |
| 4863 e->type = NULL; | |
| 4864 e->e1 = e->e1->syntaxCopy(); | |
| 4865 e->e2 = e->e2->syntaxCopy(); | |
| 4866 return e; | |
| 4867 } | |
| 4868 | |
| 4869 Expression *BinExp::semantic(Scope *sc) | |
| 4870 { | |
| 4871 #if LOGSEMANTIC | |
| 4872 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4873 #endif | |
| 4874 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4875 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4876 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4877 { |
| 4878 error("%s has no value", e1->toChars()); | |
| 4879 e1->type = Type::terror; | |
| 4880 } | |
| 4881 e2 = e2->semantic(sc); | |
| 4882 if (!e2->type) | |
| 4883 { | |
| 4884 error("%s has no value", e2->toChars()); | |
| 4885 e2->type = Type::terror; | |
| 4886 } | |
| 4887 return this; | |
| 4888 } | |
| 4889 | |
| 4890 Expression *BinExp::semanticp(Scope *sc) | |
| 4891 { | |
| 4892 BinExp::semantic(sc); | |
| 4893 e1 = resolveProperties(sc, e1); | |
| 4894 e2 = resolveProperties(sc, e2); | |
| 4895 return this; | |
| 4896 } | |
| 4897 | |
| 4898 /*************************** | |
| 4899 * Common semantic routine for some xxxAssignExp's. | |
| 4900 */ | |
| 4901 | |
| 4902 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4903 { Expression *e; | |
| 4904 | |
| 4905 if (!type) | |
| 4906 { | |
| 4907 BinExp::semantic(sc); | |
| 4908 e2 = resolveProperties(sc, e2); | |
| 4909 | |
| 4910 e = op_overload(sc); | |
| 4911 if (e) | |
| 4912 return e; | |
| 4913 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4914 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
|
4915 { // 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
|
4916 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
|
4917 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
|
4918 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
|
4919 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4920 |
| 159 | 4921 e1 = e1->modifiableLvalue(sc, e1); |
| 4922 e1->checkScalar(); | |
| 4923 type = e1->type; | |
| 4924 if (type->toBasetype()->ty == Tbool) | |
| 4925 { | |
| 4926 error("operator not allowed on bool expression %s", toChars()); | |
| 4927 } | |
| 4928 typeCombine(sc); | |
| 4929 e1->checkArithmetic(); | |
| 4930 e2->checkArithmetic(); | |
| 4931 | |
| 4932 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4933 { error("cannot perform modulo complex arithmetic"); | |
| 4934 return new IntegerExp(0); | |
| 4935 } | |
| 4936 } | |
| 4937 return this; | |
| 4938 } | |
| 4939 | |
| 4940 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4941 { Expression *e; | |
| 4942 | |
| 4943 if (!type) | |
| 4944 { | |
| 4945 BinExp::semantic(sc); | |
| 4946 e2 = resolveProperties(sc, e2); | |
| 4947 | |
| 4948 e = op_overload(sc); | |
| 4949 if (e) | |
| 4950 return e; | |
| 4951 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4952 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
|
4953 { // 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
|
4954 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
|
4955 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
|
4956 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
|
4957 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4958 |
| 159 | 4959 e1 = e1->modifiableLvalue(sc, e1); |
| 4960 e1->checkScalar(); | |
| 4961 type = e1->type; | |
| 4962 if (type->toBasetype()->ty == Tbool) | |
| 4963 { | |
| 4964 e2 = e2->implicitCastTo(sc, type); | |
| 4965 } | |
| 4966 | |
| 4967 typeCombine(sc); | |
| 4968 e1->checkIntegral(); | |
| 4969 e2->checkIntegral(); | |
| 4970 } | |
| 4971 return this; | |
| 4972 } | |
| 4973 | |
| 4974 int BinExp::checkSideEffect(int flag) | |
| 4975 { | |
| 4976 if (op == TOKplusplus || | |
| 4977 op == TOKminusminus || | |
| 4978 op == TOKassign || | |
| 4979 op == TOKconstruct || | |
| 4980 op == TOKblit || | |
| 4981 op == TOKaddass || | |
| 4982 op == TOKminass || | |
| 4983 op == TOKcatass || | |
| 4984 op == TOKmulass || | |
| 4985 op == TOKdivass || | |
| 4986 op == TOKmodass || | |
| 4987 op == TOKshlass || | |
| 4988 op == TOKshrass || | |
| 4989 op == TOKushrass || | |
| 4990 op == TOKandass || | |
| 4991 op == TOKorass || | |
| 4992 op == TOKxorass || | |
| 4993 op == TOKin || | |
| 4994 op == TOKremove) | |
| 4995 return 1; | |
| 4996 return Expression::checkSideEffect(flag); | |
| 4997 } | |
| 4998 | |
| 4999 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5000 { | |
| 5001 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5002 buf->writeByte(' '); | |
| 5003 buf->writestring(Token::toChars(op)); | |
| 5004 buf->writeByte(' '); | |
| 5005 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5006 } | |
| 5007 | |
| 5008 int BinExp::isunsigned() | |
| 5009 { | |
| 5010 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5011 } | |
| 5012 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5013 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5014 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5015 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5016 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5017 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5018 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5019 |
| 159 | 5020 void BinExp::incompatibleTypes() |
| 5021 { | |
| 5022 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5023 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5024 e1->type->toChars(), e2->type->toChars()); | |
| 5025 } | |
| 5026 | |
| 5027 /************************************************************/ | |
| 5028 | |
| 5029 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5030 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5031 { | |
| 5032 } | |
| 5033 | |
| 5034 Expression *CompileExp::semantic(Scope *sc) | |
| 5035 { | |
| 5036 #if LOGSEMANTIC | |
| 5037 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5038 #endif | |
| 5039 UnaExp::semantic(sc); | |
| 5040 e1 = resolveProperties(sc, e1); | |
| 5041 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5042 if (e1->op != TOKstring) | |
| 5043 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5044 type = Type::terror; | |
| 5045 return this; | |
| 5046 } | |
| 5047 StringExp *se = (StringExp *)e1; | |
| 5048 se = se->toUTF8(sc); | |
| 5049 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5050 p.loc = loc; | |
| 5051 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5052 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5053 Expression *e = p.parseExpression(); |
| 5054 if (p.token.value != TOKeof) | |
| 5055 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5056 return e->semantic(sc); | |
| 5057 } | |
| 5058 | |
| 5059 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5060 { | |
| 5061 buf->writestring("mixin("); | |
| 5062 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5063 buf->writeByte(')'); | |
| 5064 } | |
| 5065 | |
| 5066 /************************************************************/ | |
| 5067 | |
| 5068 FileExp::FileExp(Loc loc, Expression *e) | |
| 5069 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5070 { | |
| 5071 } | |
| 5072 | |
| 5073 Expression *FileExp::semantic(Scope *sc) | |
| 5074 { char *name; | |
| 5075 StringExp *se; | |
| 5076 | |
| 5077 #if LOGSEMANTIC | |
| 5078 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5079 #endif | |
| 5080 UnaExp::semantic(sc); | |
| 5081 e1 = resolveProperties(sc, e1); | |
| 5082 e1 = e1->optimize(WANTvalue); | |
| 5083 if (e1->op != TOKstring) | |
| 5084 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5085 goto Lerror; | |
| 5086 } | |
| 5087 se = (StringExp *)e1; | |
| 5088 se = se->toUTF8(sc); | |
| 5089 name = (char *)se->string; | |
| 5090 | |
| 5091 if (!global.params.fileImppath) | |
| 5092 { error("need -Jpath switch to import text file %s", name); | |
| 5093 goto Lerror; | |
| 5094 } | |
| 5095 | |
| 5096 if (name != FileName::name(name)) | |
| 5097 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5098 goto Lerror; | |
| 5099 } | |
| 5100 | |
| 5101 name = FileName::searchPath(global.filePath, name, 0); | |
| 5102 if (!name) | |
| 5103 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5104 goto Lerror; | |
| 5105 } | |
| 5106 | |
| 5107 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5108 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5109 |
| 5110 { File f(name); | |
| 5111 if (f.read()) | |
| 5112 { error("cannot read file %s", f.toChars()); | |
| 5113 goto Lerror; | |
| 5114 } | |
| 5115 else | |
| 5116 { | |
| 5117 f.ref = 1; | |
| 5118 se = new StringExp(loc, f.buffer, f.len); | |
| 5119 } | |
| 5120 } | |
| 5121 Lret: | |
| 5122 return se->semantic(sc); | |
| 5123 | |
| 5124 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5125 se = new StringExp(loc, (char *)""); |
| 159 | 5126 goto Lret; |
| 5127 } | |
| 5128 | |
| 5129 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5130 { | |
| 5131 buf->writestring("import("); | |
| 5132 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5133 buf->writeByte(')'); | |
| 5134 } | |
| 5135 | |
| 5136 /************************************************************/ | |
| 5137 | |
| 5138 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5139 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5140 { | |
| 5141 this->msg = msg; | |
| 5142 } | |
| 5143 | |
| 5144 Expression *AssertExp::syntaxCopy() | |
| 5145 { | |
| 5146 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5147 msg ? msg->syntaxCopy() : NULL); | |
| 5148 return ae; | |
| 5149 } | |
| 5150 | |
| 5151 Expression *AssertExp::semantic(Scope *sc) | |
| 5152 { | |
| 5153 #if LOGSEMANTIC | |
| 5154 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5155 #endif | |
| 5156 UnaExp::semantic(sc); | |
| 5157 e1 = resolveProperties(sc, e1); | |
| 5158 // BUG: see if we can do compile time elimination of the Assert | |
| 5159 e1 = e1->optimize(WANTvalue); | |
| 5160 e1 = e1->checkToBoolean(); | |
| 5161 if (msg) | |
| 5162 { | |
| 5163 msg = msg->semantic(sc); | |
| 5164 msg = resolveProperties(sc, msg); | |
| 5165 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5166 msg = msg->optimize(WANTvalue); | |
| 5167 } | |
| 5168 if (e1->isBool(FALSE)) | |
| 5169 { | |
| 5170 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5171 fd->hasReturnExp |= 4; | |
| 5172 | |
| 5173 if (!global.params.useAssert) | |
| 5174 { Expression *e = new HaltExp(loc); | |
| 5175 e = e->semantic(sc); | |
| 5176 return e; | |
| 5177 } | |
| 5178 } | |
| 5179 type = Type::tvoid; | |
| 5180 return this; | |
| 5181 } | |
| 5182 | |
| 5183 int AssertExp::checkSideEffect(int flag) | |
| 5184 { | |
| 5185 return 1; | |
| 5186 } | |
| 5187 | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5188 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5189 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5190 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5191 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5192 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5193 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5194 |
| 159 | 5195 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5196 { | |
| 5197 buf->writestring("assert("); | |
| 5198 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5199 if (msg) | |
| 5200 { | |
| 5201 buf->writeByte(','); | |
| 5202 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5203 } | |
| 5204 buf->writeByte(')'); | |
| 5205 } | |
| 5206 | |
| 5207 /************************************************************/ | |
| 5208 | |
| 5209 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5210 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5211 { | |
| 5212 this->ident = ident; | |
| 5213 } | |
| 5214 | |
| 5215 Expression *DotIdExp::semantic(Scope *sc) | |
| 5216 { Expression *e; | |
| 5217 Expression *eleft; | |
| 5218 Expression *eright; | |
| 5219 | |
| 5220 #if LOGSEMANTIC | |
| 5221 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5222 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5223 #endif | |
| 5224 | |
| 5225 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5226 | |
| 5227 #if 0 | |
| 5228 /* Don't do semantic analysis if we'll be converting | |
| 5229 * it to a string. | |
| 5230 */ | |
| 5231 if (ident == Id::stringof) | |
| 5232 { char *s = e1->toChars(); | |
| 5233 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5234 e = e->semantic(sc); | |
| 5235 return e; | |
| 5236 } | |
| 5237 #endif | |
| 5238 | |
| 5239 /* Special case: rewrite this.id and super.id | |
| 5240 * to be classtype.id and baseclasstype.id | |
| 5241 * if we have no this pointer. | |
| 5242 */ | |
| 5243 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5244 { ClassDeclaration *cd; | |
| 5245 StructDeclaration *sd; | |
| 5246 AggregateDeclaration *ad; | |
| 5247 | |
| 5248 ad = sc->getStructClassScope(); | |
| 5249 if (ad) | |
| 5250 { | |
| 5251 cd = ad->isClassDeclaration(); | |
| 5252 if (cd) | |
| 5253 { | |
| 5254 if (e1->op == TOKthis) | |
| 5255 { | |
| 5256 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5257 return e->semantic(sc); | |
| 5258 } | |
| 5259 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5260 { | |
| 5261 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5262 return e->semantic(sc); | |
| 5263 } | |
| 5264 } | |
| 5265 else | |
| 5266 { | |
| 5267 sd = ad->isStructDeclaration(); | |
| 5268 if (sd) | |
| 5269 { | |
| 5270 if (e1->op == TOKthis) | |
| 5271 { | |
| 5272 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5273 return e->semantic(sc); | |
| 5274 } | |
| 5275 } | |
| 5276 } | |
| 5277 } | |
| 5278 } | |
| 5279 | |
| 5280 UnaExp::semantic(sc); | |
| 5281 | |
| 5282 if (e1->op == TOKdotexp) | |
| 5283 { | |
| 5284 DotExp *de = (DotExp *)e1; | |
| 5285 eleft = de->e1; | |
| 5286 eright = de->e2; | |
| 5287 } | |
| 5288 else | |
| 5289 { | |
| 5290 e1 = resolveProperties(sc, e1); | |
| 5291 eleft = NULL; | |
| 5292 eright = e1; | |
| 5293 } | |
|
510
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parents:
486
diff
changeset
|
5294 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
5295 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
|
5296 { /* '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
|
5297 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5298 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
|
5299 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
|
5300 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
|
5301 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
|
5302 { 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
|
5303 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
|
5304 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
|
5305 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
|
5306 } |
|
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 = 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
|
5308 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
|
5309 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
|
5310 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5311 #endif |
| 159 | 5312 |
| 5313 if (e1->op == TOKtuple && ident == Id::length) | |
| 5314 { | |
| 5315 TupleExp *te = (TupleExp *)e1; | |
| 5316 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5317 return e; | |
| 5318 } | |
| 5319 | |
| 5320 if (eright->op == TOKimport) // also used for template alias's | |
| 5321 { | |
| 5322 ScopeExp *ie = (ScopeExp *)eright; | |
| 5323 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5324 /* 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
|
5325 * 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
|
5326 * 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
|
5327 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5328 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
|
5329 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5330 if (s) |
| 5331 { | |
| 5332 s = s->toAlias(); | |
| 5333 checkDeprecated(sc, s); | |
| 5334 | |
| 5335 EnumMember *em = s->isEnumMember(); | |
| 5336 if (em) | |
| 5337 { | |
| 5338 e = em->value; | |
| 5339 e = e->semantic(sc); | |
| 5340 return e; | |
| 5341 } | |
| 5342 | |
| 5343 VarDeclaration *v = s->isVarDeclaration(); | |
| 5344 if (v) | |
| 5345 { | |
| 5346 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5347 if (v->inuse) | |
| 5348 { | |
| 5349 error("circular reference to '%s'", v->toChars()); | |
| 5350 type = Type::tint32; | |
| 5351 return this; | |
| 5352 } | |
| 5353 type = v->type; | |
| 5354 if (v->isConst()) | |
| 5355 { | |
| 5356 if (v->init) | |
| 5357 { | |
| 5358 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5359 if (ei) | |
| 5360 { | |
| 5361 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5362 //ei->exp = ei->exp->semantic(sc); | |
| 5363 if (ei->exp->type == type) | |
| 5364 { | |
| 5365 e = ei->exp->copy(); // make copy so we can change loc | |
| 5366 e->loc = loc; | |
| 5367 return e; | |
| 5368 } | |
| 5369 } | |
| 5370 } | |
| 5371 else if (type->isscalar()) | |
| 5372 { | |
| 5373 e = type->defaultInit(); | |
| 5374 e->loc = loc; | |
| 5375 return e; | |
| 5376 } | |
| 5377 } | |
| 5378 if (v->needThis()) | |
| 5379 { | |
| 5380 if (!eleft) | |
| 5381 eleft = new ThisExp(loc); | |
| 5382 e = new DotVarExp(loc, eleft, v); | |
| 5383 e = e->semantic(sc); | |
| 5384 } | |
| 5385 else | |
| 5386 { | |
| 5387 e = new VarExp(loc, v); | |
| 5388 if (eleft) | |
| 5389 { e = new CommaExp(loc, eleft, e); | |
| 5390 e->type = v->type; | |
| 5391 } | |
| 5392 } | |
| 5393 return e->deref(); | |
| 5394 } | |
| 5395 | |
| 5396 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5397 if (f) | |
| 5398 { | |
| 5399 //printf("it's a function\n"); | |
| 5400 if (f->needThis()) | |
| 5401 { | |
| 5402 if (!eleft) | |
| 5403 eleft = new ThisExp(loc); | |
| 5404 e = new DotVarExp(loc, eleft, f); | |
| 5405 e = e->semantic(sc); | |
| 5406 } | |
| 5407 else | |
| 5408 { | |
| 5409 e = new VarExp(loc, f); | |
| 5410 if (eleft) | |
| 5411 { e = new CommaExp(loc, eleft, e); | |
| 5412 e->type = f->type; | |
| 5413 } | |
| 5414 } | |
| 5415 return e; | |
| 5416 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5417 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5418 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5419 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5420 { //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
|
5421 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5422 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5423 #endif |
| 159 | 5424 |
| 5425 Type *t = s->getType(); | |
| 5426 if (t) | |
| 5427 { | |
| 5428 return new TypeExp(loc, t); | |
| 5429 } | |
| 5430 | |
| 336 | 5431 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5432 if (tup) | |
| 5433 { | |
| 5434 if (eleft) | |
| 5435 error("cannot have e.tuple"); | |
| 5436 e = new TupleExp(loc, tup); | |
| 5437 e = e->semantic(sc); | |
| 5438 return e; | |
| 5439 } | |
| 5440 | |
| 159 | 5441 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5442 if (sds) | |
| 5443 { | |
| 5444 //printf("it's a ScopeDsymbol\n"); | |
| 5445 e = new ScopeExp(loc, sds); | |
| 5446 e = e->semantic(sc); | |
| 5447 if (eleft) | |
| 5448 e = new DotExp(loc, eleft, e); | |
| 5449 return e; | |
| 5450 } | |
| 5451 | |
| 5452 Import *imp = s->isImport(); | |
| 5453 if (imp) | |
| 5454 { | |
| 5455 ScopeExp *ie; | |
| 5456 | |
| 5457 ie = new ScopeExp(loc, imp->pkg); | |
| 5458 return ie->semantic(sc); | |
| 5459 } | |
| 5460 | |
| 5461 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5462 #ifdef DEBUG | |
| 5463 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5464 #endif | |
| 5465 assert(0); | |
| 5466 } | |
| 5467 else if (ident == Id::stringof) | |
| 5468 { char *s = ie->toChars(); | |
| 5469 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5470 e = e->semantic(sc); | |
| 5471 return e; | |
| 5472 } | |
| 5473 error("undefined identifier %s", toChars()); | |
| 5474 type = Type::tvoid; | |
| 5475 return this; | |
| 5476 } | |
| 5477 else if (e1->type->ty == Tpointer && | |
| 5478 ident != Id::init && ident != Id::__sizeof && | |
| 5479 ident != Id::alignof && ident != Id::offsetof && | |
| 5480 ident != Id::mangleof && ident != Id::stringof) | |
| 5481 { | |
| 5482 e = new PtrExp(loc, e1); | |
|
510
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parents:
486
diff
changeset
|
5483 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5484 return e->type->dotExp(sc, e, ident); |
| 5485 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5486 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5487 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5488 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5489 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5490 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5491 * e1.ident |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5492 * as: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5493 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5494 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5495 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5496 global.gag++; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5497 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5498 global.gag--; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5499 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
|
5500 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5501 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5502 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
|
5503 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5504 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5508 #endif |
| 159 | 5509 else |
| 5510 { | |
| 5511 e = e1->type->dotExp(sc, e1, ident); | |
| 5512 e = e->semantic(sc); | |
| 5513 return e; | |
| 5514 } | |
| 5515 } | |
| 5516 | |
| 5517 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5518 { | |
| 5519 //printf("DotIdExp::toCBuffer()\n"); | |
| 5520 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5521 buf->writeByte('.'); | |
| 5522 buf->writestring(ident->toChars()); | |
| 5523 } | |
| 5524 | |
| 5525 /********************** DotTemplateExp ***********************************/ | |
| 5526 | |
| 5527 // Mainly just a placeholder | |
| 5528 | |
| 5529 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5530 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5531 | |
| 5532 { | |
| 5533 this->td = td; | |
| 5534 } | |
| 5535 | |
| 5536 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5537 { | |
| 5538 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5539 buf->writeByte('.'); | |
| 5540 buf->writestring(td->toChars()); | |
| 5541 } | |
| 5542 | |
| 5543 | |
| 5544 /************************************************************/ | |
| 5545 | |
| 5546 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5547 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5548 { | |
| 5549 //printf("DotVarExp()\n"); | |
| 5550 this->var = v; | |
| 5551 } | |
| 5552 | |
| 5553 Expression *DotVarExp::semantic(Scope *sc) | |
| 5554 { | |
| 5555 #if LOGSEMANTIC | |
| 5556 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5557 #endif | |
| 5558 if (!type) | |
| 5559 { | |
| 5560 var = var->toAlias()->isDeclaration(); | |
| 5561 | |
| 5562 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5563 if (tup) | |
| 5564 { /* Replace: | |
| 5565 * e1.tuple(a, b, c) | |
| 5566 * with: | |
| 5567 * tuple(e1.a, e1.b, e1.c) | |
| 5568 */ | |
| 5569 Expressions *exps = new Expressions; | |
| 5570 | |
| 5571 exps->reserve(tup->objects->dim); | |
| 5572 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5573 { Object *o = (Object *)tup->objects->data[i]; | |
| 5574 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5575 { | |
| 5576 error("%s is not an expression", o->toChars()); | |
| 5577 } | |
| 5578 else | |
| 5579 { | |
| 5580 Expression *e = (Expression *)o; | |
| 5581 if (e->op != TOKdsymbol) | |
| 5582 error("%s is not a member", e->toChars()); | |
| 5583 else | |
| 5584 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5585 | |
| 5586 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5587 exps->push(e); | |
| 5588 } | |
| 5589 } | |
| 5590 } | |
| 5591 Expression *e = new TupleExp(loc, exps); | |
| 5592 e = e->semantic(sc); | |
| 5593 return e; | |
| 5594 } | |
| 5595 | |
| 5596 e1 = e1->semantic(sc); | |
| 5597 type = var->type; | |
| 5598 if (!type && global.errors) | |
| 5599 { // var is goofed up, just return 0 | |
| 5600 return new IntegerExp(0); | |
| 5601 } | |
| 5602 assert(type); | |
| 5603 | |
| 5604 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5605 { | |
| 5606 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5607 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5608 if (!sc->noaccesscheck) | |
| 5609 accessCheck(loc, sc, e1, var); | |
| 5610 | |
| 5611 VarDeclaration *v = var->isVarDeclaration(); | |
| 5612 if (v && v->isConst()) | |
| 5613 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5614 if (ei) | |
| 5615 { Expression *e = ei->exp->copy(); | |
| 5616 e = e->semantic(sc); | |
| 5617 return e; | |
| 159 | 5618 } |
| 5619 } | |
| 5620 } | |
| 5621 } | |
| 5622 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5623 return this; | |
| 5624 } | |
| 5625 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5626 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5627 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5628 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5629 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5630 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5631 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5632 |
| 159 | 5633 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5634 { | |
| 5635 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5636 return this; | |
| 5637 } | |
| 5638 | |
| 5639 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5640 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5641 #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
|
5642 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
|
5643 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
|
5644 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
|
5645 #endif |
| 159 | 5646 |
| 5647 if (var->isCtorinit()) | |
| 5648 { // It's only modifiable if inside the right constructor | |
| 5649 Dsymbol *s = sc->func; | |
| 5650 while (1) | |
| 5651 { | |
| 5652 FuncDeclaration *fd = NULL; | |
| 5653 if (s) | |
| 5654 fd = s->isFuncDeclaration(); | |
| 5655 if (fd && | |
| 5656 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5657 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5658 fd->toParent() == var->toParent() && | |
| 5659 e1->op == TOKthis | |
| 5660 ) | |
| 5661 { | |
| 5662 VarDeclaration *v = var->isVarDeclaration(); | |
| 5663 assert(v); | |
| 5664 v->ctorinit = 1; | |
| 5665 //printf("setting ctorinit\n"); | |
| 5666 } | |
| 5667 else | |
| 5668 { | |
| 5669 if (s) | |
| 5670 { s = s->toParent2(); | |
| 5671 continue; | |
| 5672 } | |
| 5673 else | |
| 5674 { | |
| 5675 const char *p = var->isStatic() ? "static " : ""; | |
| 5676 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5677 p, var->toChars(), p); | |
| 5678 } | |
| 5679 } | |
| 5680 break; | |
| 5681 } | |
| 5682 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5683 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5684 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5685 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5687 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5688 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 #endif |
| 159 | 5697 return this; |
| 5698 } | |
| 5699 | |
| 5700 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5701 { | |
| 5702 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5703 buf->writeByte('.'); | |
| 5704 buf->writestring(var->toChars()); | |
| 5705 } | |
| 5706 | |
| 5707 /************************************************************/ | |
| 5708 | |
| 5709 /* Things like: | |
| 5710 * foo.bar!(args) | |
| 5711 */ | |
| 5712 | |
| 5713 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5714 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5715 { | |
| 5716 //printf("DotTemplateInstanceExp()\n"); | |
| 5717 this->ti = ti; | |
| 5718 } | |
| 5719 | |
| 5720 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5721 { | |
| 5722 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5723 e1->syntaxCopy(), | |
| 5724 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5725 return de; | |
| 5726 } | |
| 5727 | |
| 5728 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5729 { Dsymbol *s; | |
| 5730 Dsymbol *s2; | |
| 5731 TemplateDeclaration *td; | |
| 5732 Expression *e; | |
| 5733 Identifier *id; | |
| 5734 Type *t1; | |
| 5735 Expression *eleft = NULL; | |
| 5736 Expression *eright; | |
| 5737 | |
| 5738 #if LOGSEMANTIC | |
| 5739 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5740 #endif | |
| 5741 //e1->print(); | |
| 5742 //print(); | |
| 5743 e1 = e1->semantic(sc); | |
| 5744 t1 = e1->type; | |
| 5745 if (t1) | |
| 5746 t1 = t1->toBasetype(); | |
| 5747 //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
|
5748 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5749 /* 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
|
5750 * 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
|
5751 * 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
|
5752 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5753 |
| 159 | 5754 if (e1->op == TOKdotexp) |
| 5755 { DotExp *de = (DotExp *)e1; | |
| 5756 eleft = de->e1; | |
| 5757 eright = de->e2; | |
| 5758 } | |
| 5759 else | |
| 5760 { eleft = NULL; | |
| 5761 eright = e1; | |
| 5762 } | |
| 5763 if (eright->op == TOKimport) | |
| 5764 { | |
| 5765 s = ((ScopeExp *)eright)->sds; | |
| 5766 } | |
| 5767 else if (e1->op == TOKtype) | |
| 5768 { | |
| 5769 s = t1->isClassHandle(); | |
| 5770 if (!s) | |
| 5771 { if (t1->ty == Tstruct) | |
| 5772 s = ((TypeStruct *)t1)->sym; | |
| 5773 else | |
| 5774 goto L1; | |
| 5775 } | |
| 5776 } | |
| 5777 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5778 { | |
| 5779 s = t1->toDsymbol(sc); | |
| 5780 eleft = e1; | |
| 5781 } | |
| 5782 else if (t1 && t1->ty == Tpointer) | |
| 5783 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5784 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5785 if (t1->ty != Tstruct) |
| 5786 goto L1; | |
| 5787 s = t1->toDsymbol(sc); | |
| 5788 eleft = e1; | |
| 5789 } | |
| 5790 else | |
| 5791 { | |
| 5792 L1: | |
| 5793 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5794 goto Lerr; | |
| 5795 } | |
| 5796 | |
| 5797 assert(s); | |
| 5798 id = ti->name; | |
| 5799 s2 = s->search(loc, id, 0); | |
| 5800 if (!s2) | |
| 5801 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5802 goto Lerr; | |
| 5803 } | |
| 5804 s = s2; | |
| 5805 s->semantic(sc); | |
| 5806 s = s->toAlias(); | |
| 5807 td = s->isTemplateDeclaration(); | |
| 5808 if (!td) | |
| 5809 { | |
| 5810 error("%s is not a template", id->toChars()); | |
| 5811 goto Lerr; | |
| 5812 } | |
| 5813 if (global.errors) | |
| 5814 goto Lerr; | |
| 5815 | |
| 5816 ti->tempdecl = td; | |
| 5817 | |
| 5818 if (eleft) | |
| 5819 { Declaration *v; | |
| 5820 | |
| 5821 ti->semantic(sc); | |
| 5822 s = ti->inst->toAlias(); | |
| 5823 v = s->isDeclaration(); | |
| 5824 if (v) | |
| 5825 { e = new DotVarExp(loc, eleft, v); | |
| 5826 e = e->semantic(sc); | |
| 5827 return e; | |
| 5828 } | |
| 5829 } | |
| 5830 | |
| 5831 e = new ScopeExp(loc, ti); | |
| 5832 if (eleft) | |
| 5833 { | |
| 5834 e = new DotExp(loc, eleft, e); | |
| 5835 } | |
| 5836 e = e->semantic(sc); | |
| 5837 return e; | |
| 5838 | |
| 5839 Lerr: | |
| 336 | 5840 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5841 } |
| 5842 | |
| 5843 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5844 { | |
| 5845 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5846 buf->writeByte('.'); | |
| 5847 ti->toCBuffer(buf, hgs); | |
| 5848 } | |
| 5849 | |
| 5850 /************************************************************/ | |
| 5851 | |
| 5852 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5853 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5854 { | |
| 5855 this->func = f; | |
| 5856 } | |
| 5857 | |
| 5858 Expression *DelegateExp::semantic(Scope *sc) | |
| 5859 { | |
| 5860 #if LOGSEMANTIC | |
| 5861 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5862 #endif | |
| 5863 if (!type) | |
| 5864 { | |
| 5865 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5866 // 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
|
5867 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5868 type = type->semantic(loc, sc); |
| 5869 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5870 if (func->needThis()) |
| 5871 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5872 } |
| 5873 return this; | |
| 5874 } | |
| 5875 | |
| 5876 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5877 { | |
| 5878 buf->writeByte('&'); | |
| 5879 if (!func->isNested()) | |
| 5880 { | |
| 5881 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5882 buf->writeByte('.'); | |
| 5883 } | |
| 5884 buf->writestring(func->toChars()); | |
| 5885 } | |
| 5886 | |
| 5887 /************************************************************/ | |
| 5888 | |
| 5889 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5890 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5891 { | |
| 5892 this->sym = s; | |
| 5893 this->type = s->getType(); | |
| 5894 } | |
| 5895 | |
| 5896 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5897 { | |
| 5898 #if LOGSEMANTIC | |
| 5899 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5900 #endif | |
| 5901 UnaExp::semantic(sc); | |
| 5902 return this; | |
| 5903 } | |
| 5904 | |
| 5905 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5906 { | |
| 5907 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5908 buf->writeByte('.'); | |
| 5909 buf->writestring(sym->toChars()); | |
| 5910 } | |
| 5911 | |
| 5912 /************************************************************/ | |
| 5913 | |
| 5914 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5915 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5916 { | |
| 5917 this->arguments = exps; | |
| 5918 } | |
| 5919 | |
| 5920 CallExp::CallExp(Loc loc, Expression *e) | |
| 5921 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5922 { | |
| 5923 this->arguments = NULL; | |
| 5924 } | |
| 5925 | |
| 5926 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5927 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5928 { | |
| 5929 Expressions *arguments = new Expressions(); | |
| 5930 arguments->setDim(1); | |
| 5931 arguments->data[0] = (void *)earg1; | |
| 5932 | |
| 5933 this->arguments = arguments; | |
| 5934 } | |
| 5935 | |
| 5936 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5937 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5938 { | |
| 5939 Expressions *arguments = new Expressions(); | |
| 5940 arguments->setDim(2); | |
| 5941 arguments->data[0] = (void *)earg1; | |
| 5942 arguments->data[1] = (void *)earg2; | |
| 5943 | |
| 5944 this->arguments = arguments; | |
| 5945 } | |
| 5946 | |
| 5947 Expression *CallExp::syntaxCopy() | |
| 5948 { | |
| 5949 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5950 } | |
| 5951 | |
| 5952 | |
| 5953 Expression *CallExp::semantic(Scope *sc) | |
| 5954 { | |
| 5955 TypeFunction *tf; | |
| 5956 FuncDeclaration *f; | |
| 5957 int i; | |
| 5958 Type *t1; | |
| 5959 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
|
5960 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5961 |
| 5962 #if LOGSEMANTIC | |
| 5963 printf("CallExp::semantic() %s\n", toChars()); | |
| 5964 #endif | |
| 5965 if (type) | |
| 5966 return this; // semantic() already run | |
| 5967 #if 0 | |
| 5968 if (arguments && arguments->dim) | |
| 5969 { | |
| 5970 Expression *earg = (Expression *)arguments->data[0]; | |
| 5971 earg->print(); | |
| 5972 if (earg->type) earg->type->print(); | |
| 5973 } | |
| 5974 #endif | |
| 5975 | |
| 5976 if (e1->op == TOKdelegate) | |
| 5977 { DelegateExp *de = (DelegateExp *)e1; | |
| 5978 | |
| 5979 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5980 return semantic(sc); | |
| 5981 } | |
| 5982 | |
| 5983 /* Transform: | |
| 5984 * array.id(args) into id(array,args) | |
| 5985 * aa.remove(arg) into delete aa[arg] | |
| 5986 */ | |
| 5987 if (e1->op == TOKdot) | |
| 5988 { | |
| 5989 // BUG: we should handle array.a.b.c.e(args) too | |
| 5990 | |
| 5991 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5992 dotid->e1 = dotid->e1->semantic(sc); | |
| 5993 assert(dotid->e1); | |
| 5994 if (dotid->e1->type) | |
| 5995 { | |
| 5996 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5997 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5998 { | |
| 5999 if (!arguments || arguments->dim != 1) | |
| 6000 { error("expected key as argument to aa.remove()"); | |
| 6001 goto Lagain; | |
| 6002 } | |
| 6003 Expression *key = (Expression *)arguments->data[0]; | |
| 6004 key = key->semantic(sc); | |
| 6005 key = resolveProperties(sc, key); | |
| 6006 key->rvalue(); | |
| 6007 | |
| 6008 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6009 key = key->implicitCastTo(sc, taa->index); | |
| 6010 key = key->implicitCastTo(sc, taa->key); | |
| 6011 | |
| 6012 return new RemoveExp(loc, dotid->e1, key); | |
| 6013 } | |
| 6014 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6015 { | |
| 6016 if (!arguments) | |
| 6017 arguments = new Expressions(); | |
| 6018 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6019 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6020 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
|
6021 #else |
| 159 | 6022 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
|
6023 #endif |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6028 #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
|
6029 /* 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
|
6030 * 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
|
6031 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6032 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
|
6033 { 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
|
6034 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
|
6035 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
|
6036 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6037 /* 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
|
6038 * 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
|
6039 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6040 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
|
6041 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
|
6042 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
|
6043 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
|
6044 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
|
6045 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
|
6046 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6047 /* 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
|
6048 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6049 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
|
6050 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
|
6051 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6056 /* 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
|
6057 * 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
|
6058 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6059 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
|
6060 { 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
|
6061 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
|
6062 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
|
6063 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6064 /* 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
|
6065 * 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
|
6066 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6067 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
|
6068 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
|
6069 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
|
6070 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
|
6071 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
|
6072 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
|
6073 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
|
6074 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6075 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
|
6076 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
|
6077 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
|
6078 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6079 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6080 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
|
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 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6083 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6084 |
| 159 | 6085 istemp = 0; |
| 6086 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
|
6087 //printf("Lagain: %s\n", toChars()); |
| 159 | 6088 f = NULL; |
| 6089 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6090 { | |
| 6091 // semantic() run later for these | |
| 6092 } | |
| 6093 else | |
| 6094 { | |
| 6095 UnaExp::semantic(sc); | |
| 6096 | |
| 6097 /* Look for e1 being a lazy parameter | |
| 6098 */ | |
| 6099 if (e1->op == TOKvar) | |
| 6100 { VarExp *ve = (VarExp *)e1; | |
| 6101 | |
| 6102 if (ve->var->storage_class & STClazy) | |
| 6103 { | |
| 6104 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6105 TypeDelegate *t = new TypeDelegate(tf); | |
| 6106 ve->type = t->semantic(loc, sc); | |
| 6107 } | |
| 6108 } | |
| 6109 | |
| 6110 if (e1->op == TOKimport) | |
| 6111 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6112 ScopeExp *se = (ScopeExp *)e1; | |
| 6113 e1 = new DsymbolExp(loc, se->sds); | |
| 6114 e1 = e1->semantic(sc); | |
| 6115 } | |
| 6116 #if 1 // patch for #540 by Oskar Linde | |
| 6117 else if (e1->op == TOKdotexp) | |
| 6118 { | |
| 6119 DotExp *de = (DotExp *) e1; | |
| 6120 | |
| 6121 if (de->e2->op == TOKimport) | |
| 6122 { // This should *really* be moved to ScopeExp::semantic() | |
| 6123 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6124 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6125 de->e2 = de->e2->semantic(sc); | |
| 6126 } | |
| 6127 | |
| 6128 if (de->e2->op == TOKtemplate) | |
| 6129 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6130 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6131 } | |
| 6132 } | |
| 6133 #endif | |
| 6134 } | |
| 6135 | |
| 6136 if (e1->op == TOKcomma) | |
| 6137 { | |
| 6138 CommaExp *ce = (CommaExp *)e1; | |
| 6139 | |
| 6140 e1 = ce->e2; | |
| 6141 e1->type = ce->type; | |
| 6142 ce->e2 = this; | |
| 6143 ce->type = NULL; | |
| 6144 return ce->semantic(sc); | |
| 6145 } | |
| 6146 | |
| 6147 t1 = NULL; | |
| 6148 if (e1->type) | |
| 6149 t1 = e1->type->toBasetype(); | |
| 6150 | |
| 6151 // Check for call operator overload | |
| 6152 if (t1) | |
| 6153 { AggregateDeclaration *ad; | |
| 6154 | |
| 6155 if (t1->ty == Tstruct) | |
| 6156 { | |
| 6157 ad = ((TypeStruct *)t1)->sym; | |
| 6158 if (search_function(ad, Id::call)) | |
| 6159 goto L1; // overload of opCall, therefore it's a call | |
| 6160 | |
| 6161 if (e1->op != TOKtype) | |
| 6162 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6163 /* It's a struct literal | |
| 6164 */ | |
| 6165 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6166 e = e->semantic(sc); | |
| 6167 e->type = e1->type; // in case e1->type was a typedef | |
| 6168 return e; | |
| 6169 } | |
| 6170 else if (t1->ty == Tclass) | |
| 6171 { | |
| 6172 ad = ((TypeClass *)t1)->sym; | |
| 6173 goto L1; | |
| 6174 L1: | |
| 6175 // Rewrite as e1.call(arguments) | |
| 6176 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6177 e = new CallExp(loc, e, arguments); | |
| 6178 e = e->semantic(sc); | |
| 6179 return e; | |
| 6180 } | |
| 6181 } | |
| 6182 | |
| 6183 arrayExpressionSemantic(arguments, sc); | |
| 6184 preFunctionArguments(loc, sc, arguments); | |
| 6185 | |
| 6186 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6187 e1->op == TOKdottd) | |
| 6188 { | |
| 6189 DotVarExp *dve; | |
| 6190 DotTemplateExp *dte; | |
| 6191 AggregateDeclaration *ad; | |
| 6192 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6193 |
| 159 | 6194 if (e1->op == TOKdotvar) |
| 6195 { // Do overload resolution | |
| 6196 dve = (DotVarExp *)(e1); | |
| 6197 | |
| 6198 f = dve->var->isFuncDeclaration(); | |
| 6199 assert(f); | |
| 6200 f = f->overloadResolve(loc, arguments); | |
| 6201 | |
| 6202 ad = f->toParent()->isAggregateDeclaration(); | |
| 6203 } | |
| 6204 else | |
| 6205 { dte = (DotTemplateExp *)(e1); | |
| 6206 TemplateDeclaration *td = dte->td; | |
| 6207 assert(td); | |
| 6208 if (!arguments) | |
| 6209 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6210 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6211 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6212 if (!f) |
| 6213 { type = Type::terror; | |
| 6214 return this; | |
| 6215 } | |
| 6216 ad = td->toParent()->isAggregateDeclaration(); | |
| 6217 } | |
| 336 | 6218 if (f->needThis()) |
| 6219 { | |
| 6220 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6221 } | |
| 6222 | |
| 6223 /* Cannot call public functions from inside invariant | |
| 6224 * (because then the invariant would have infinite recursion) | |
| 159 | 6225 */ |
| 336 | 6226 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6227 ue->e1->op == TOKthis && | |
| 6228 f->addPostInvariant() | |
| 159 | 6229 ) |
| 6230 { | |
| 336 | 6231 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6232 } |
| 6233 | |
| 6234 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6235 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6236 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6237 #endif |
| 159 | 6238 accessCheck(loc, sc, ue->e1, f); |
| 6239 if (!f->needThis()) | |
| 6240 { | |
| 6241 VarExp *ve = new VarExp(loc, f); | |
| 6242 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6243 e1->type = f->type; | |
| 6244 } | |
| 6245 else | |
| 6246 { | |
| 6247 if (e1->op == TOKdotvar) | |
| 6248 dve->var = f; | |
| 6249 else | |
| 6250 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6251 e1->type = f->type; | |
| 6252 | |
| 6253 // See if we need to adjust the 'this' pointer | |
| 6254 AggregateDeclaration *ad = f->isThis(); | |
| 6255 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6256 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6257 ue->e1->op != TOKsuper) | |
| 6258 { | |
| 6259 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6260 ue->e1 = ue->e1->semantic(sc); | |
| 6261 } | |
| 6262 } | |
| 6263 t1 = e1->type; | |
| 6264 } | |
| 6265 else if (e1->op == TOKsuper) | |
| 6266 { | |
| 6267 // Base class constructor call | |
| 6268 ClassDeclaration *cd = NULL; | |
| 6269 | |
| 6270 if (sc->func) | |
| 6271 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6272 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6273 { | |
| 6274 error("super class constructor call must be in a constructor"); | |
| 6275 type = Type::terror; | |
| 6276 return this; | |
| 6277 } | |
| 6278 else | |
| 6279 { | |
| 6280 f = cd->baseClass->ctor; | |
| 6281 if (!f) | |
| 6282 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6283 type = Type::terror; | |
| 6284 return this; | |
| 6285 } | |
| 6286 else | |
| 6287 { | |
| 336 | 6288 if (!sc->intypeof) |
| 6289 { | |
| 159 | 6290 #if 0 |
| 336 | 6291 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6292 error("reference to this before super()"); | |
| 159 | 6293 #endif |
| 336 | 6294 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6295 error("constructor calls not allowed in loops or after labels"); | |
| 6296 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6297 error("multiple constructor calls"); | |
| 6298 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6299 } | |
| 159 | 6300 |
| 6301 f = f->overloadResolve(loc, arguments); | |
| 6302 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6303 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6304 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6305 #endif |
| 159 | 6306 e1 = new DotVarExp(e1->loc, e1, f); |
| 6307 e1 = e1->semantic(sc); | |
| 6308 t1 = e1->type; | |
| 6309 } | |
| 6310 } | |
| 6311 } | |
| 6312 else if (e1->op == TOKthis) | |
| 6313 { | |
| 6314 // same class constructor call | |
| 6315 ClassDeclaration *cd = NULL; | |
| 6316 | |
| 6317 if (sc->func) | |
| 6318 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6319 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6320 { | |
| 6321 error("class constructor call must be in a constructor"); | |
| 6322 type = Type::terror; | |
| 6323 return this; | |
| 6324 } | |
| 6325 else | |
| 6326 { | |
| 336 | 6327 if (!sc->intypeof) |
| 6328 { | |
| 159 | 6329 #if 0 |
| 336 | 6330 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6331 error("reference to this before super()"); | |
| 159 | 6332 #endif |
| 336 | 6333 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6334 error("constructor calls not allowed in loops or after labels"); | |
| 6335 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6336 error("multiple constructor calls"); | |
| 6337 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6338 } | |
| 159 | 6339 |
| 6340 f = cd->ctor; | |
| 6341 f = f->overloadResolve(loc, arguments); | |
| 6342 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6343 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6344 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6345 #endif |
| 159 | 6346 e1 = new DotVarExp(e1->loc, e1, f); |
| 6347 e1 = e1->semantic(sc); | |
| 6348 t1 = e1->type; | |
| 6349 | |
| 6350 // BUG: this should really be done by checking the static | |
| 6351 // call graph | |
| 6352 if (f == sc->func) | |
| 6353 error("cyclic constructor call"); | |
| 6354 } | |
| 6355 } | |
| 6356 else if (!t1) | |
| 6357 { | |
| 6358 error("function expected before (), not '%s'", e1->toChars()); | |
| 6359 type = Type::terror; | |
| 6360 return this; | |
| 6361 } | |
| 6362 else if (t1->ty != Tfunction) | |
| 6363 { | |
| 6364 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
|
6365 { 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
|
6366 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
|
6367 tf = (TypeFunction *)(td->next); |
| 159 | 6368 goto Lcheckargs; |
| 6369 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6370 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6371 { Expression *e; |
| 6372 | |
| 6373 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
|
6374 t1 = ((TypePointer *)t1)->next; |
| 159 | 6375 e->type = t1; |
| 6376 e1 = e; | |
| 6377 } | |
| 6378 else if (e1->op == TOKtemplate) | |
| 6379 { | |
| 6380 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6381 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6382 if (!f) |
| 6383 { type = Type::terror; | |
| 6384 return this; | |
| 6385 } | |
| 6386 if (f->needThis() && hasThis(sc)) | |
| 6387 { | |
| 6388 // Supply an implicit 'this', as in | |
| 6389 // this.ident | |
| 6390 | |
| 6391 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6392 goto Lagain; | |
| 6393 } | |
| 6394 | |
| 6395 e1 = new VarExp(loc, f); | |
| 6396 goto Lagain; | |
| 6397 } | |
| 6398 else | |
| 6399 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6400 type = Type::terror; | |
| 6401 return this; | |
| 6402 } | |
| 6403 } | |
| 6404 else if (e1->op == TOKvar) | |
| 6405 { | |
| 6406 // Do overload resolution | |
| 6407 VarExp *ve = (VarExp *)e1; | |
| 6408 | |
| 6409 f = ve->var->isFuncDeclaration(); | |
| 6410 assert(f); | |
| 6411 | |
| 6412 // Look to see if f is really a function template | |
| 6413 if (0 && !istemp && f->parent) | |
| 6414 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6415 | |
| 6416 if (ti && | |
| 6417 (ti->name == f->ident || | |
| 6418 ti->toAlias()->ident == f->ident) | |
| 6419 && | |
| 6420 ti->tempdecl) | |
| 6421 { | |
| 6422 /* This is so that one can refer to the enclosing | |
| 6423 * template, even if it has the same name as a member | |
| 6424 * of the template, if it has a !(arguments) | |
| 6425 */ | |
| 6426 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6427 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6428 tempdecl = tempdecl->overroot; // then get the start | |
| 6429 e1 = new TemplateExp(loc, tempdecl); | |
| 6430 istemp = 1; | |
| 6431 goto Lagain; | |
| 6432 } | |
| 6433 } | |
| 6434 | |
| 6435 f = f->overloadResolve(loc, arguments); | |
| 6436 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6437 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6438 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6439 #endif |
| 159 | 6440 |
| 6441 if (f->needThis() && hasThis(sc)) | |
| 6442 { | |
| 6443 // Supply an implicit 'this', as in | |
| 6444 // this.ident | |
| 6445 | |
| 6446 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6447 goto Lagain; | |
| 6448 } | |
| 6449 | |
| 6450 accessCheck(loc, sc, NULL, f); | |
| 6451 | |
| 6452 ve->var = f; | |
| 6453 ve->type = f->type; | |
| 6454 t1 = f->type; | |
| 6455 } | |
| 6456 assert(t1->ty == Tfunction); | |
| 6457 tf = (TypeFunction *)(t1); | |
| 6458 | |
| 6459 Lcheckargs: | |
| 6460 assert(tf->ty == Tfunction); | |
| 6461 type = tf->next; | |
| 6462 | |
| 6463 if (!arguments) | |
| 6464 arguments = new Expressions(); | |
| 6465 functionArguments(loc, sc, tf, arguments); | |
| 6466 | |
| 6467 assert(type); | |
| 6468 | |
| 6469 if (f && f->tintro) | |
| 6470 { | |
| 6471 Type *t = type; | |
| 6472 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
|
6473 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
|
6474 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6475 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
|
6476 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6477 type = tf->next; |
| 159 | 6478 return castTo(sc, t); |
| 6479 } | |
| 6480 } | |
| 6481 | |
| 6482 return this; | |
| 6483 } | |
| 6484 | |
| 6485 int CallExp::checkSideEffect(int flag) | |
| 6486 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6487 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 /* 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
|
6495 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6496 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
|
6497 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 /* 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
|
6504 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 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
|
6510 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6511 #endif |
| 159 | 6512 return 1; |
| 6513 } | |
| 6514 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6515 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 /* 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
|
6522 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6523 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
|
6524 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 /* 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
|
6531 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6533 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 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
|
6538 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6539 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 |
| 159 | 6556 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6557 { | |
| 6558 if (type->toBasetype()->ty == Tstruct) | |
| 6559 return this; | |
| 6560 else | |
| 6561 return Expression::toLvalue(sc, e); | |
| 6562 } | |
| 6563 | |
| 6564 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6565 { int i; | |
| 6566 | |
| 6567 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6568 buf->writeByte('('); | |
| 6569 argsToCBuffer(buf, arguments, hgs); | |
| 6570 buf->writeByte(')'); | |
| 6571 } | |
| 6572 | |
| 6573 | |
| 6574 /************************************************************/ | |
| 6575 | |
| 6576 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6577 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6578 { | |
| 6579 } | |
| 6580 | |
| 6581 Expression *AddrExp::semantic(Scope *sc) | |
| 6582 { | |
| 6583 #if LOGSEMANTIC | |
| 6584 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6585 #endif | |
| 6586 if (!type) | |
| 6587 { | |
| 6588 UnaExp::semantic(sc); | |
| 6589 e1 = e1->toLvalue(sc, NULL); | |
| 6590 if (!e1->type) | |
| 6591 { | |
| 6592 error("cannot take address of %s", e1->toChars()); | |
| 6593 type = Type::tint32; | |
| 6594 return this; | |
| 6595 } | |
| 6596 type = e1->type->pointerTo(); | |
| 6597 | |
| 6598 // See if this should really be a delegate | |
| 6599 if (e1->op == TOKdotvar) | |
| 6600 { | |
| 6601 DotVarExp *dve = (DotVarExp *)e1; | |
| 6602 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6603 | |
| 6604 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
|
6605 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6606 e = e->semantic(sc); |
| 6607 return e; | |
| 6608 } | |
| 6609 } | |
| 6610 else if (e1->op == TOKvar) | |
| 6611 { | |
| 6612 VarExp *dve = (VarExp *)e1; | |
| 6613 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6614 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6615 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6616 // 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
|
6617 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
|
6618 { |
|
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 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
|
6620 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
|
6621 } |
|
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
|
6622 |
| 159 | 6623 if (f && f->isNested()) |
| 6624 { Expression *e; | |
| 6625 | |
| 6626 e = new DelegateExp(loc, e1, f); | |
| 6627 e = e->semantic(sc); | |
| 6628 return e; | |
| 6629 } | |
| 6630 } | |
| 6631 else if (e1->op == TOKarray) | |
| 6632 { | |
| 6633 if (e1->type->toBasetype()->ty == Tbit) | |
| 6634 error("cannot take address of bit in array"); | |
| 6635 } | |
| 6636 return optimize(WANTvalue); | |
| 6637 } | |
| 6638 return this; | |
| 6639 } | |
| 6640 | |
| 6641 /************************************************************/ | |
| 6642 | |
| 6643 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6644 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6645 { | |
| 6646 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
|
6647 type = ((TypePointer *)e->type)->next; |
| 159 | 6648 } |
| 6649 | |
| 6650 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6651 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6652 { | |
| 6653 type = t; | |
| 6654 } | |
| 6655 | |
| 6656 Expression *PtrExp::semantic(Scope *sc) | |
| 6657 { Type *tb; | |
| 6658 | |
| 6659 #if LOGSEMANTIC | |
| 6660 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6661 #endif | |
| 6662 UnaExp::semantic(sc); | |
| 6663 e1 = resolveProperties(sc, e1); | |
| 6664 if (type) | |
| 6665 return this; | |
| 6666 if (!e1->type) | |
| 6667 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6668 tb = e1->type->toBasetype(); | |
| 6669 switch (tb->ty) | |
| 6670 { | |
| 6671 case Tpointer: | |
| 6672 type = tb->next; | |
| 6673 if (type->isbit()) | |
| 6674 { Expression *e; | |
| 6675 | |
| 6676 // Rewrite *p as p[0] | |
| 6677 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6678 return e->semantic(sc); | |
| 6679 } | |
| 6680 break; | |
| 6681 | |
| 6682 case Tsarray: | |
| 6683 case Tarray: | |
| 6684 type = tb->next; | |
| 6685 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6686 break; | |
| 6687 | |
| 6688 default: | |
| 6689 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6690 type = Type::tint32; | |
| 6691 break; | |
| 6692 } | |
| 6693 rvalue(); | |
| 6694 return this; | |
| 6695 } | |
| 6696 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6697 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6698 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6702 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6703 |
| 159 | 6704 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6705 { | |
| 6706 #if 0 | |
| 6707 tym = tybasic(e1->ET->Tty); | |
| 6708 if (!(tyscalar(tym) || | |
| 6709 tym == TYstruct || | |
| 6710 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6711 synerr(EM_lvalue); // lvalue expected | |
| 6712 #endif | |
| 6713 return this; | |
| 6714 } | |
| 6715 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6716 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6717 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6718 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6719 //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
|
6720 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6721 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6722 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6723 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 //return toLvalue(sc, e); |
|
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 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6730 |
| 159 | 6731 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6732 { | |
| 6733 buf->writeByte('*'); | |
| 6734 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6735 } | |
| 6736 | |
| 6737 /************************************************************/ | |
| 6738 | |
| 6739 NegExp::NegExp(Loc loc, Expression *e) | |
| 6740 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6741 { | |
| 6742 } | |
| 6743 | |
| 6744 Expression *NegExp::semantic(Scope *sc) | |
| 6745 { Expression *e; | |
| 6746 | |
| 6747 #if LOGSEMANTIC | |
| 6748 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6749 #endif | |
| 6750 if (!type) | |
| 6751 { | |
| 6752 UnaExp::semantic(sc); | |
| 6753 e1 = resolveProperties(sc, e1); | |
| 6754 e = op_overload(sc); | |
| 6755 if (e) | |
| 6756 return e; | |
| 6757 | |
| 6758 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
|
6759 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
|
6760 e1->checkArithmetic(); |
| 159 | 6761 type = e1->type; |
| 6762 } | |
| 6763 return this; | |
| 6764 } | |
| 6765 | |
| 6766 /************************************************************/ | |
| 6767 | |
| 6768 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6769 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6770 { | |
| 6771 } | |
| 6772 | |
| 6773 Expression *UAddExp::semantic(Scope *sc) | |
| 6774 { Expression *e; | |
| 6775 | |
| 6776 #if LOGSEMANTIC | |
| 6777 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6778 #endif | |
| 6779 assert(!type); | |
| 6780 UnaExp::semantic(sc); | |
| 6781 e1 = resolveProperties(sc, e1); | |
| 6782 e = op_overload(sc); | |
| 6783 if (e) | |
| 6784 return e; | |
| 6785 e1->checkNoBool(); | |
| 6786 e1->checkArithmetic(); | |
| 6787 return e1; | |
| 6788 } | |
| 6789 | |
| 6790 /************************************************************/ | |
| 6791 | |
| 6792 ComExp::ComExp(Loc loc, Expression *e) | |
| 6793 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6794 { | |
| 6795 } | |
| 6796 | |
| 6797 Expression *ComExp::semantic(Scope *sc) | |
| 6798 { Expression *e; | |
| 6799 | |
| 6800 if (!type) | |
| 6801 { | |
| 6802 UnaExp::semantic(sc); | |
| 6803 e1 = resolveProperties(sc, e1); | |
| 6804 e = op_overload(sc); | |
| 6805 if (e) | |
| 6806 return e; | |
| 6807 | |
| 6808 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
|
6809 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
|
6810 e1 = e1->checkIntegral(); |
| 159 | 6811 type = e1->type; |
| 6812 } | |
| 6813 return this; | |
| 6814 } | |
| 6815 | |
| 6816 /************************************************************/ | |
| 6817 | |
| 6818 NotExp::NotExp(Loc loc, Expression *e) | |
| 6819 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6820 { | |
| 6821 } | |
| 6822 | |
| 6823 Expression *NotExp::semantic(Scope *sc) | |
| 6824 { | |
| 6825 UnaExp::semantic(sc); | |
| 6826 e1 = resolveProperties(sc, e1); | |
| 6827 e1 = e1->checkToBoolean(); | |
| 6828 type = Type::tboolean; | |
| 6829 return this; | |
| 6830 } | |
| 6831 | |
| 6832 int NotExp::isBit() | |
| 6833 { | |
| 6834 return TRUE; | |
| 6835 } | |
| 6836 | |
| 6837 | |
| 6838 | |
| 6839 /************************************************************/ | |
| 6840 | |
| 6841 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6842 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6843 { | |
| 6844 type = t; | |
| 6845 } | |
| 6846 | |
| 6847 Expression *BoolExp::semantic(Scope *sc) | |
| 6848 { | |
| 6849 UnaExp::semantic(sc); | |
| 6850 e1 = resolveProperties(sc, e1); | |
| 6851 e1 = e1->checkToBoolean(); | |
| 6852 type = Type::tboolean; | |
| 6853 return this; | |
| 6854 } | |
| 6855 | |
| 6856 int BoolExp::isBit() | |
| 6857 { | |
| 6858 return TRUE; | |
| 6859 } | |
| 6860 | |
| 6861 /************************************************************/ | |
| 6862 | |
| 6863 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6864 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6865 { | |
| 6866 } | |
| 6867 | |
| 6868 Expression *DeleteExp::semantic(Scope *sc) | |
| 6869 { | |
| 6870 Type *tb; | |
| 6871 | |
| 6872 UnaExp::semantic(sc); | |
| 6873 e1 = resolveProperties(sc, e1); | |
| 6874 e1 = e1->toLvalue(sc, NULL); | |
| 6875 type = Type::tvoid; | |
| 6876 | |
| 6877 tb = e1->type->toBasetype(); | |
| 6878 switch (tb->ty) | |
| 6879 { case Tclass: | |
| 6880 { TypeClass *tc = (TypeClass *)tb; | |
| 6881 ClassDeclaration *cd = tc->sym; | |
| 6882 | |
| 6883 if (cd->isCOMinterface()) | |
| 6884 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6885 */ | |
| 6886 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6887 } | |
| 6888 break; | |
| 6889 } | |
| 6890 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
|
6891 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6892 if (tb->ty == Tstruct) |
| 6893 { | |
| 6894 TypeStruct *ts = (TypeStruct *)tb; | |
| 6895 StructDeclaration *sd = ts->sym; | |
| 6896 FuncDeclaration *f = sd->aggDelete; | |
| 6897 | |
| 6898 if (f) | |
| 6899 { | |
| 6900 Type *tpv = Type::tvoid->pointerTo(); | |
| 6901 | |
| 6902 Expression *e = e1->castTo(sc, tpv); | |
| 6903 Expression *ec = new VarExp(loc, f); | |
| 6904 e = new CallExp(loc, ec, e); | |
| 6905 return e->semantic(sc); | |
| 6906 } | |
| 6907 } | |
| 6908 break; | |
| 6909 | |
| 6910 case Tarray: | |
| 6911 break; | |
| 6912 | |
| 6913 default: | |
| 6914 if (e1->op == TOKindex) | |
| 6915 { | |
| 6916 IndexExp *ae = (IndexExp *)(e1); | |
| 6917 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6918 if (tb1->ty == Taarray) | |
| 6919 break; | |
| 6920 } | |
| 6921 error("cannot delete type %s", e1->type->toChars()); | |
| 6922 break; | |
| 6923 } | |
| 6924 | |
| 6925 if (e1->op == TOKindex) | |
| 6926 { | |
| 6927 IndexExp *ae = (IndexExp *)(e1); | |
| 6928 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6929 if (tb1->ty == Taarray) | |
| 6930 { if (!global.params.useDeprecated) | |
| 6931 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6932 } | |
| 6933 } | |
| 6934 | |
| 6935 return this; | |
| 6936 } | |
| 6937 | |
| 6938 int DeleteExp::checkSideEffect(int flag) | |
| 6939 { | |
| 6940 return 1; | |
| 6941 } | |
| 6942 | |
| 6943 Expression *DeleteExp::checkToBoolean() | |
| 6944 { | |
| 6945 error("delete does not give a boolean result"); | |
| 6946 return this; | |
| 6947 } | |
| 6948 | |
| 6949 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6950 { | |
| 6951 buf->writestring("delete "); | |
| 6952 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6953 } | |
| 6954 | |
| 6955 /************************************************************/ | |
| 6956 | |
| 6957 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6958 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6959 { | |
| 6960 to = t; | |
| 6961 } | |
| 6962 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6963 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6964 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6965 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6966 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
|
6967 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6968 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6969 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6970 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6973 |
| 159 | 6974 Expression *CastExp::syntaxCopy() |
| 6975 { | |
| 6976 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6977 } | |
| 6978 | |
| 6979 | |
| 6980 Expression *CastExp::semantic(Scope *sc) | |
| 6981 { Expression *e; | |
| 6982 BinExp *b; | |
| 6983 UnaExp *u; | |
| 6984 | |
| 6985 #if LOGSEMANTIC | |
| 6986 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6987 #endif | |
| 6988 | |
| 6989 //static int x; assert(++x < 10); | |
| 6990 | |
| 6991 if (type) | |
| 6992 return this; | |
| 6993 UnaExp::semantic(sc); | |
| 6994 if (e1->type) // if not a tuple | |
| 6995 { | |
| 6996 e1 = resolveProperties(sc, e1); | |
| 6997 to = to->semantic(loc, sc); | |
| 6998 | |
| 6999 e = op_overload(sc); | |
| 7000 if (e) | |
| 7001 { | |
| 7002 return e->implicitCastTo(sc, to); | |
| 7003 } | |
| 7004 | |
| 7005 Type *tob = to->toBasetype(); | |
| 7006 if (tob->ty == Tstruct && | |
| 7007 !tob->equals(e1->type->toBasetype()) && | |
| 7008 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7009 ) | |
| 7010 { | |
| 7011 /* Look to replace: | |
| 7012 * cast(S)t | |
| 7013 * with: | |
| 7014 * S(t) | |
| 7015 */ | |
| 7016 | |
| 7017 // Rewrite as to.call(e1) | |
| 7018 e = new TypeExp(loc, to); | |
| 7019 e = new DotIdExp(loc, e, Id::call); | |
| 7020 e = new CallExp(loc, e, e1); | |
| 7021 e = e->semantic(sc); | |
| 7022 return e; | |
| 7023 } | |
| 7024 } | |
| 7025 e = e1->castTo(sc, to); | |
| 7026 return e; | |
| 7027 } | |
| 7028 | |
| 7029 int CastExp::checkSideEffect(int flag) | |
| 7030 { | |
| 7031 /* if not: | |
| 7032 * cast(void) | |
| 7033 * cast(classtype)func() | |
| 7034 */ | |
| 7035 if (!to->equals(Type::tvoid) && | |
| 7036 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7037 return Expression::checkSideEffect(flag); | |
| 7038 return 1; | |
| 7039 } | |
| 7040 | |
| 7041 void CastExp::checkEscape() | |
| 7042 { Type *tb = type->toBasetype(); | |
| 7043 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7044 e1->type->toBasetype()->ty == Tsarray) | |
| 7045 { VarExp *ve = (VarExp *)e1; | |
| 7046 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7047 if (v) | |
| 7048 { | |
| 7049 if (!v->isDataseg() && !v->isParameter()) | |
| 7050 error("escaping reference to local %s", v->toChars()); | |
| 7051 } | |
| 7052 } | |
| 7053 } | |
| 7054 | |
| 7055 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7056 { | |
| 7057 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7058 #if DMDV1 |
| 159 | 7059 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 assert(0); |
|
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 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 #endif |
| 159 | 7087 buf->writeByte(')'); |
| 7088 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7089 } | |
| 7090 | |
| 7091 | |
| 7092 /************************************************************/ | |
| 7093 | |
| 7094 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7095 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7096 { | |
| 7097 this->upr = upr; | |
| 7098 this->lwr = lwr; | |
| 7099 lengthVar = NULL; | |
| 7100 } | |
| 7101 | |
| 7102 Expression *SliceExp::syntaxCopy() | |
| 7103 { | |
| 7104 Expression *lwr = NULL; | |
| 7105 if (this->lwr) | |
| 7106 lwr = this->lwr->syntaxCopy(); | |
| 7107 | |
| 7108 Expression *upr = NULL; | |
| 7109 if (this->upr) | |
| 7110 upr = this->upr->syntaxCopy(); | |
| 7111 | |
| 7112 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7113 } | |
| 7114 | |
| 7115 Expression *SliceExp::semantic(Scope *sc) | |
| 7116 { Expression *e; | |
| 7117 AggregateDeclaration *ad; | |
| 7118 //FuncDeclaration *fd; | |
| 7119 ScopeDsymbol *sym; | |
| 7120 | |
| 7121 #if LOGSEMANTIC | |
| 7122 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7123 #endif | |
| 7124 if (type) | |
| 7125 return this; | |
| 7126 | |
| 7127 UnaExp::semantic(sc); | |
| 7128 e1 = resolveProperties(sc, e1); | |
| 7129 | |
| 7130 e = this; | |
| 7131 | |
| 7132 Type *t = e1->type->toBasetype(); | |
| 7133 if (t->ty == Tpointer) | |
| 7134 { | |
| 7135 if (!lwr || !upr) | |
| 7136 error("need upper and lower bound to slice pointer"); | |
| 7137 } | |
| 7138 else if (t->ty == Tarray) | |
| 7139 { | |
| 7140 } | |
| 7141 else if (t->ty == Tsarray) | |
| 7142 { | |
| 7143 } | |
| 7144 else if (t->ty == Tclass) | |
| 7145 { | |
| 7146 ad = ((TypeClass *)t)->sym; | |
| 7147 goto L1; | |
| 7148 } | |
| 7149 else if (t->ty == Tstruct) | |
| 7150 { | |
| 7151 ad = ((TypeStruct *)t)->sym; | |
| 7152 | |
| 7153 L1: | |
| 7154 if (search_function(ad, Id::slice)) | |
| 7155 { | |
| 7156 // Rewrite as e1.slice(lwr, upr) | |
| 7157 e = new DotIdExp(loc, e1, Id::slice); | |
| 7158 | |
| 7159 if (lwr) | |
| 7160 { | |
| 7161 assert(upr); | |
| 7162 e = new CallExp(loc, e, lwr, upr); | |
| 7163 } | |
| 7164 else | |
| 7165 { assert(!upr); | |
| 7166 e = new CallExp(loc, e); | |
| 7167 } | |
| 7168 e = e->semantic(sc); | |
| 7169 return e; | |
| 7170 } | |
| 7171 goto Lerror; | |
| 7172 } | |
| 7173 else if (t->ty == Ttuple) | |
| 7174 { | |
| 7175 if (!lwr && !upr) | |
| 7176 return e1; | |
| 7177 if (!lwr || !upr) | |
| 7178 { error("need upper and lower bound to slice tuple"); | |
| 7179 goto Lerror; | |
| 7180 } | |
| 7181 } | |
| 7182 else | |
| 7183 goto Lerror; | |
| 7184 | |
| 7185 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7186 { | |
| 7187 sym = new ArrayScopeSymbol(this); | |
| 7188 sym->loc = loc; | |
| 7189 sym->parent = sc->scopesym; | |
| 7190 sc = sc->push(sym); | |
| 7191 } | |
| 7192 | |
| 7193 if (lwr) | |
| 7194 { lwr = lwr->semantic(sc); | |
| 7195 lwr = resolveProperties(sc, lwr); | |
| 7196 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7197 } | |
| 7198 if (upr) | |
| 7199 { upr = upr->semantic(sc); | |
| 7200 upr = resolveProperties(sc, upr); | |
| 7201 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7202 } | |
| 7203 | |
| 7204 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7205 sc->pop(); | |
| 7206 | |
| 7207 if (t->ty == Ttuple) | |
| 7208 { | |
| 7209 lwr = lwr->optimize(WANTvalue); | |
| 7210 upr = upr->optimize(WANTvalue); | |
| 7211 uinteger_t i1 = lwr->toUInteger(); | |
| 7212 uinteger_t i2 = upr->toUInteger(); | |
| 7213 | |
| 7214 size_t length; | |
| 7215 TupleExp *te; | |
| 7216 TypeTuple *tup; | |
| 7217 | |
| 7218 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7219 { te = (TupleExp *)e1; | |
| 7220 length = te->exps->dim; | |
| 7221 } | |
| 7222 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7223 { tup = (TypeTuple *)t; | |
| 7224 length = Argument::dim(tup->arguments); | |
| 7225 } | |
| 7226 else | |
| 7227 assert(0); | |
| 7228 | |
| 7229 if (i1 <= i2 && i2 <= length) | |
| 7230 { size_t j1 = (size_t) i1; | |
| 7231 size_t j2 = (size_t) i2; | |
| 7232 | |
| 7233 if (e1->op == TOKtuple) | |
| 7234 { Expressions *exps = new Expressions; | |
| 7235 exps->setDim(j2 - j1); | |
| 7236 for (size_t i = 0; i < j2 - j1; i++) | |
| 7237 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7238 exps->data[i] = (void *)e; | |
| 7239 } | |
| 7240 e = new TupleExp(loc, exps); | |
| 7241 } | |
| 7242 else | |
| 7243 { Arguments *args = new Arguments; | |
| 7244 args->reserve(j2 - j1); | |
| 7245 for (size_t i = j1; i < j2; i++) | |
| 7246 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7247 args->push(arg); | |
| 7248 } | |
| 7249 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7250 } | |
| 7251 e = e->semantic(sc); | |
| 7252 } | |
| 7253 else | |
| 7254 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7255 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7256 e = e1; |
| 7257 } | |
| 7258 return e; | |
| 7259 } | |
| 7260 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7261 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7262 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7263 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7264 type = t->nextOf()->arrayOf(); |
| 159 | 7265 return e; |
| 7266 | |
| 7267 Lerror: | |
| 7268 char *s; | |
| 7269 if (t->ty == Tvoid) | |
| 7270 s = e1->toChars(); | |
| 7271 else | |
| 7272 s = t->toChars(); | |
| 7273 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
|
7274 e = new IntegerExp(0); |
| 159 | 7275 return e; |
| 7276 } | |
| 7277 | |
| 7278 void SliceExp::checkEscape() | |
| 7279 { | |
| 7280 e1->checkEscape(); | |
| 7281 } | |
| 7282 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7283 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7284 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7285 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7286 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7287 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7288 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7289 |
| 159 | 7290 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7291 { | |
| 7292 return this; | |
| 7293 } | |
| 7294 | |
| 7295 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7296 { | |
| 7297 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7298 return this; | |
| 7299 } | |
| 7300 | |
| 7301 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7302 { | |
| 7303 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7304 buf->writeByte('['); | |
| 7305 if (upr || lwr) | |
| 7306 { | |
| 7307 if (lwr) | |
| 7308 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7309 else | |
| 7310 buf->writeByte('0'); | |
| 7311 buf->writestring(".."); | |
| 7312 if (upr) | |
| 7313 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7314 else | |
| 7315 buf->writestring("length"); // BUG: should be array.length | |
| 7316 } | |
| 7317 buf->writeByte(']'); | |
| 7318 } | |
| 7319 | |
| 7320 /********************** ArrayLength **************************************/ | |
| 7321 | |
| 7322 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7323 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7324 { | |
| 7325 } | |
| 7326 | |
| 7327 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7328 { Expression *e; | |
| 7329 | |
| 7330 #if LOGSEMANTIC | |
| 7331 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7332 #endif | |
| 7333 if (!type) | |
| 7334 { | |
| 7335 UnaExp::semantic(sc); | |
| 7336 e1 = resolveProperties(sc, e1); | |
| 7337 | |
| 7338 type = Type::tsize_t; | |
| 7339 } | |
| 7340 return this; | |
| 7341 } | |
| 7342 | |
| 7343 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7344 { | |
| 7345 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7346 buf->writestring(".length"); | |
| 7347 } | |
| 7348 | |
| 7349 /*********************** ArrayExp *************************************/ | |
| 7350 | |
| 7351 // e1 [ i1, i2, i3, ... ] | |
| 7352 | |
| 7353 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7354 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7355 { | |
| 7356 arguments = args; | |
| 7357 } | |
| 7358 | |
| 7359 Expression *ArrayExp::syntaxCopy() | |
| 7360 { | |
| 7361 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7362 } | |
| 7363 | |
| 7364 Expression *ArrayExp::semantic(Scope *sc) | |
| 7365 { Expression *e; | |
| 7366 Type *t1; | |
| 7367 | |
| 7368 #if LOGSEMANTIC | |
| 7369 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7370 #endif | |
| 7371 UnaExp::semantic(sc); | |
| 7372 e1 = resolveProperties(sc, e1); | |
| 7373 | |
| 7374 t1 = e1->type->toBasetype(); | |
| 7375 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7376 { // Convert to IndexExp | |
| 7377 if (arguments->dim != 1) | |
| 7378 error("only one index allowed to index %s", t1->toChars()); | |
| 7379 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7380 return e->semantic(sc); | |
| 7381 } | |
| 7382 | |
| 7383 // Run semantic() on each argument | |
| 7384 for (size_t i = 0; i < arguments->dim; i++) | |
| 7385 { e = (Expression *)arguments->data[i]; | |
| 7386 | |
| 7387 e = e->semantic(sc); | |
| 7388 if (!e->type) | |
| 7389 error("%s has no value", e->toChars()); | |
| 7390 arguments->data[i] = (void *)e; | |
| 7391 } | |
| 7392 | |
| 7393 expandTuples(arguments); | |
| 7394 assert(arguments && arguments->dim); | |
| 7395 | |
| 7396 e = op_overload(sc); | |
| 7397 if (!e) | |
| 7398 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7399 e = e1; | |
| 7400 } | |
| 7401 return e; | |
| 7402 } | |
| 7403 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7404 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7405 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7406 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7407 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7408 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7409 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7410 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7411 #endif |
| 159 | 7412 |
| 7413 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7414 { | |
| 7415 if (type && type->toBasetype()->ty == Tvoid) | |
| 7416 error("voids have no value"); | |
| 7417 return this; | |
| 7418 } | |
| 7419 | |
| 7420 | |
| 7421 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7422 { int i; | |
| 7423 | |
| 7424 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7425 buf->writeByte('['); | |
| 7426 argsToCBuffer(buf, arguments, hgs); | |
| 7427 buf->writeByte(']'); | |
| 7428 } | |
| 7429 | |
| 7430 /************************* DotExp ***********************************/ | |
| 7431 | |
| 7432 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7433 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7434 { | |
| 7435 } | |
| 7436 | |
| 7437 Expression *DotExp::semantic(Scope *sc) | |
| 7438 { | |
| 7439 #if LOGSEMANTIC | |
| 7440 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7441 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7442 #endif | |
| 7443 e1 = e1->semantic(sc); | |
| 7444 e2 = e2->semantic(sc); | |
| 7445 if (e2->op == TOKimport) | |
| 7446 { | |
| 7447 ScopeExp *se = (ScopeExp *)e2; | |
| 7448 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7449 if (td) | |
| 7450 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7451 e = e->semantic(sc); | |
| 7452 return e; | |
| 7453 } | |
| 7454 } | |
| 7455 if (!type) | |
| 7456 type = e2->type; | |
| 7457 return this; | |
| 7458 } | |
| 7459 | |
| 7460 | |
| 7461 /************************* CommaExp ***********************************/ | |
| 7462 | |
| 7463 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7464 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7465 { | |
| 7466 } | |
| 7467 | |
| 7468 Expression *CommaExp::semantic(Scope *sc) | |
| 7469 { | |
| 7470 if (!type) | |
| 7471 { BinExp::semanticp(sc); | |
| 7472 type = e2->type; | |
| 7473 } | |
| 7474 return this; | |
| 7475 } | |
| 7476 | |
| 7477 void CommaExp::checkEscape() | |
| 7478 { | |
| 7479 e2->checkEscape(); | |
| 7480 } | |
| 7481 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7482 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7483 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7484 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7486 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7487 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7488 |
| 159 | 7489 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7490 { | |
| 7491 e2 = e2->toLvalue(sc, NULL); | |
| 7492 return this; | |
| 7493 } | |
| 7494 | |
| 7495 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7496 { | |
| 7497 e2 = e2->modifiableLvalue(sc, e); | |
| 7498 return this; | |
| 7499 } | |
| 7500 | |
| 7501 int CommaExp::isBool(int result) | |
| 7502 { | |
| 7503 return e2->isBool(result); | |
| 7504 } | |
| 7505 | |
| 7506 int CommaExp::checkSideEffect(int flag) | |
| 7507 { | |
| 7508 if (flag == 2) | |
| 7509 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7510 else | |
| 7511 { | |
| 7512 // Don't check e1 until we cast(void) the a,b code generation | |
| 7513 return e2->checkSideEffect(flag); | |
| 7514 } | |
| 7515 } | |
| 7516 | |
| 7517 /************************** IndexExp **********************************/ | |
| 7518 | |
| 7519 // e1 [ e2 ] | |
| 7520 | |
| 7521 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7522 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7523 { | |
| 7524 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7525 lengthVar = NULL; | |
| 7526 modifiable = 0; // assume it is an rvalue | |
| 7527 } | |
| 7528 | |
| 7529 Expression *IndexExp::semantic(Scope *sc) | |
| 7530 { Expression *e; | |
| 7531 BinExp *b; | |
| 7532 UnaExp *u; | |
| 7533 Type *t1; | |
| 7534 ScopeDsymbol *sym; | |
| 7535 | |
| 7536 #if LOGSEMANTIC | |
| 7537 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7538 #endif | |
| 7539 if (type) | |
| 7540 return this; | |
| 7541 if (!e1->type) | |
| 7542 e1 = e1->semantic(sc); | |
| 7543 assert(e1->type); // semantic() should already be run on it | |
| 7544 e = this; | |
| 7545 | |
| 7546 // Note that unlike C we do not implement the int[ptr] | |
| 7547 | |
| 7548 t1 = e1->type->toBasetype(); | |
| 7549 | |
| 7550 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7551 { // Create scope for 'length' variable | |
| 7552 sym = new ArrayScopeSymbol(this); | |
| 7553 sym->loc = loc; | |
| 7554 sym->parent = sc->scopesym; | |
| 7555 sc = sc->push(sym); | |
| 7556 } | |
| 7557 | |
| 7558 e2 = e2->semantic(sc); | |
| 7559 if (!e2->type) | |
| 7560 { | |
| 7561 error("%s has no value", e2->toChars()); | |
| 7562 e2->type = Type::terror; | |
| 7563 } | |
| 7564 e2 = resolveProperties(sc, e2); | |
| 7565 | |
| 7566 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7567 sc = sc->pop(); | |
| 7568 | |
| 7569 switch (t1->ty) | |
| 7570 { | |
| 7571 case Tpointer: | |
| 7572 case Tarray: | |
| 7573 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7574 e->type = t1->next; | |
| 7575 break; | |
| 7576 | |
| 7577 case Tsarray: | |
| 7578 { | |
| 7579 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7580 | |
| 7581 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7582 | |
| 7583 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7584 // Do compile time array bounds checking if possible | |
| 7585 e2 = e2->optimize(WANTvalue); | |
| 7586 if (e2->op == TOKint64) | |
| 7587 { | |
| 7588 integer_t index = e2->toInteger(); | |
| 7589 integer_t length = tsa->dim->toInteger(); | |
| 7590 if (index < 0 || index >= length) | |
| 7591 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7592 index, length); | |
| 7593 } | |
| 7594 #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
|
7595 e->type = t1->nextOf(); |
| 159 | 7596 break; |
| 7597 } | |
| 7598 | |
| 7599 case Taarray: | |
| 7600 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7601 | |
| 7602 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7603 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7604 type = taa->next; | |
| 7605 break; | |
| 7606 } | |
| 7607 | |
| 7608 case Ttuple: | |
| 7609 { | |
| 7610 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7611 e2 = e2->optimize(WANTvalue); | |
| 7612 uinteger_t index = e2->toUInteger(); | |
| 7613 size_t length; | |
| 7614 TupleExp *te; | |
| 7615 TypeTuple *tup; | |
| 7616 | |
| 7617 if (e1->op == TOKtuple) | |
| 7618 { te = (TupleExp *)e1; | |
| 7619 length = te->exps->dim; | |
| 7620 } | |
| 7621 else if (e1->op == TOKtype) | |
| 7622 { | |
| 7623 tup = (TypeTuple *)t1; | |
| 7624 length = Argument::dim(tup->arguments); | |
| 7625 } | |
| 7626 else | |
| 7627 assert(0); | |
| 7628 | |
| 7629 if (index < length) | |
| 7630 { | |
| 7631 | |
| 7632 if (e1->op == TOKtuple) | |
| 7633 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7634 else | |
| 7635 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7636 } | |
| 7637 else | |
| 7638 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7639 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
|
7640 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7641 e = e1; |
| 159 | 7642 } |
| 7643 break; | |
| 7644 } | |
| 7645 | |
| 7646 default: | |
| 7647 error("%s must be an array or pointer type, not %s", | |
| 7648 e1->toChars(), e1->type->toChars()); | |
| 7649 type = Type::tint32; | |
| 7650 break; | |
| 7651 } | |
| 7652 return e; | |
| 7653 } | |
| 7654 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7655 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7656 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7657 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7658 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7659 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7660 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7661 |
| 159 | 7662 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7663 { | |
| 7664 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7665 // error("voids have no value"); | |
| 7666 return this; | |
| 7667 } | |
| 7668 | |
| 7669 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7670 { | |
| 7671 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7672 modifiable = 1; | |
| 7673 if (e1->op == TOKstring) | |
| 7674 error("string literals are immutable"); | |
| 7675 if (e1->type->toBasetype()->ty == Taarray) | |
| 7676 e1 = e1->modifiableLvalue(sc, e1); | |
| 7677 return toLvalue(sc, e); | |
| 7678 } | |
| 7679 | |
| 7680 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7681 { | |
| 7682 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7683 buf->writeByte('['); | |
| 7684 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7685 buf->writeByte(']'); | |
| 7686 } | |
| 7687 | |
| 7688 | |
| 7689 /************************* PostExp ***********************************/ | |
| 7690 | |
| 7691 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7692 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7693 new IntegerExp(loc, 1, Type::tint32)) | |
| 7694 { | |
| 7695 } | |
| 7696 | |
| 7697 Expression *PostExp::semantic(Scope *sc) | |
| 7698 { Expression *e = this; | |
| 7699 | |
| 7700 if (!type) | |
| 7701 { | |
| 7702 BinExp::semantic(sc); | |
| 7703 e2 = resolveProperties(sc, e2); | |
| 7704 | |
| 7705 e = op_overload(sc); | |
| 7706 if (e) | |
| 7707 return e; | |
| 7708 | |
| 7709 e = this; | |
| 7710 e1 = e1->modifiableLvalue(sc, e1); | |
| 7711 e1->checkScalar(); | |
| 7712 e1->checkNoBool(); | |
| 7713 if (e1->type->ty == Tpointer) | |
| 7714 e = scaleFactor(sc); | |
| 7715 else | |
| 7716 e2 = e2->castTo(sc, e1->type); | |
| 7717 e->type = e1->type; | |
| 7718 } | |
| 7719 return e; | |
| 7720 } | |
| 7721 | |
| 7722 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7723 { | |
| 7724 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7725 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7726 } | |
| 7727 | |
| 7728 /************************************************************/ | |
| 7729 | |
| 7730 /* Can be TOKconstruct too */ | |
| 7731 | |
| 7732 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7733 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7734 { | |
| 7735 ismemset = 0; | |
| 7736 } | |
| 7737 | |
| 7738 Expression *AssignExp::semantic(Scope *sc) | |
| 7739 { Type *t1; | |
| 7740 Expression *e1old = e1; | |
| 7741 | |
| 7742 #if LOGSEMANTIC | |
| 7743 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7744 #endif | |
| 7745 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7746 | |
| 7747 /* Look for operator overloading of a[i]=value. | |
| 7748 * Do it before semantic() otherwise the a[i] will have been | |
| 7749 * converted to a.opIndex() already. | |
| 7750 */ | |
| 7751 if (e1->op == TOKarray) | |
| 7752 { Type *t1; | |
| 7753 ArrayExp *ae = (ArrayExp *)e1; | |
| 7754 AggregateDeclaration *ad; | |
| 7755 Identifier *id = Id::index; | |
| 7756 | |
| 7757 ae->e1 = ae->e1->semantic(sc); | |
| 7758 t1 = ae->e1->type->toBasetype(); | |
| 7759 if (t1->ty == Tstruct) | |
| 7760 { | |
| 7761 ad = ((TypeStruct *)t1)->sym; | |
| 7762 goto L1; | |
| 7763 } | |
| 7764 else if (t1->ty == Tclass) | |
| 7765 { | |
| 7766 ad = ((TypeClass *)t1)->sym; | |
| 7767 L1: | |
| 7768 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7769 if (search_function(ad, Id::indexass)) | |
| 7770 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7771 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7772 | |
| 7773 a->insert(0, e2); | |
| 7774 e = new CallExp(loc, e, a); | |
| 7775 e = e->semantic(sc); | |
| 7776 return e; | |
| 7777 } | |
| 7778 else | |
| 7779 { | |
| 7780 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7781 if (search_function(ad, id)) | |
| 7782 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7783 | |
| 7784 if (1 || !global.params.useDeprecated) | |
| 7785 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7786 | |
| 7787 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7788 e = e->semantic(sc); | |
| 7789 return e; | |
| 7790 } | |
| 7791 } | |
| 7792 } | |
| 7793 } | |
| 7794 /* Look for operator overloading of a[i..j]=value. | |
| 7795 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7796 * converted to a.opSlice() already. | |
| 7797 */ | |
| 7798 if (e1->op == TOKslice) | |
| 7799 { Type *t1; | |
| 7800 SliceExp *ae = (SliceExp *)e1; | |
| 7801 AggregateDeclaration *ad; | |
| 7802 Identifier *id = Id::index; | |
| 7803 | |
| 7804 ae->e1 = ae->e1->semantic(sc); | |
| 7805 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7806 t1 = ae->e1->type->toBasetype(); | |
| 7807 if (t1->ty == Tstruct) | |
| 7808 { | |
| 7809 ad = ((TypeStruct *)t1)->sym; | |
| 7810 goto L2; | |
| 7811 } | |
| 7812 else if (t1->ty == Tclass) | |
| 7813 { | |
| 7814 ad = ((TypeClass *)t1)->sym; | |
| 7815 L2: | |
| 7816 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7817 if (search_function(ad, Id::sliceass)) | |
| 7818 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7819 Expressions *a = new Expressions(); | |
| 7820 | |
| 7821 a->push(e2); | |
| 7822 if (ae->lwr) | |
| 7823 { a->push(ae->lwr); | |
| 7824 assert(ae->upr); | |
| 7825 a->push(ae->upr); | |
| 7826 } | |
| 7827 else | |
| 7828 assert(!ae->upr); | |
| 7829 e = new CallExp(loc, e, a); | |
| 7830 e = e->semantic(sc); | |
| 7831 return e; | |
| 7832 } | |
| 7833 } | |
| 7834 } | |
| 7835 | |
| 7836 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7837 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7838 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7839 { // 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
|
7840 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7841 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7842 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7843 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7844 |
| 159 | 7845 e2 = resolveProperties(sc, e2); |
| 7846 assert(e1->type); | |
| 7847 | |
| 7848 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7849 */ | |
| 7850 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7851 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7852 TupleExp *tup2 = (TupleExp *)e2; | |
| 7853 size_t dim = tup1->exps->dim; | |
| 7854 if (dim != tup2->exps->dim) | |
| 7855 { | |
| 7856 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7857 } | |
| 7858 else | |
| 7859 { Expressions *exps = new Expressions; | |
| 7860 exps->setDim(dim); | |
| 7861 | |
| 7862 for (int i = 0; i < dim; i++) | |
| 7863 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7864 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7865 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7866 } | |
| 7867 Expression *e = new TupleExp(loc, exps); | |
| 7868 e = e->semantic(sc); | |
| 7869 return e; | |
| 7870 } | |
| 7871 } | |
| 7872 | |
| 7873 t1 = e1->type->toBasetype(); | |
| 7874 | |
| 7875 if (t1->ty == Tfunction) | |
| 7876 { // Rewrite f=value to f(value) | |
| 7877 Expression *e; | |
| 7878 | |
| 7879 e = new CallExp(loc, e1, e2); | |
| 7880 e = e->semantic(sc); | |
| 7881 return e; | |
| 7882 } | |
| 7883 | |
| 7884 /* If it is an assignment from a 'foreign' type, | |
| 7885 * check for operator overloading. | |
| 7886 */ | |
| 7887 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7888 { | |
| 7889 if (!e2->type->implicitConvTo(e1->type)) | |
| 7890 { | |
| 7891 Expression *e = op_overload(sc); | |
| 7892 if (e) | |
| 7893 return e; | |
| 7894 } | |
| 7895 } | |
| 7896 | |
| 7897 e2->rvalue(); | |
| 7898 | |
| 7899 if (e1->op == TOKarraylength) | |
| 7900 { | |
| 7901 // e1 is not an lvalue, but we let code generator handle it | |
| 7902 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7903 | |
| 7904 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7905 } | |
| 7906 else if (e1->op == TOKslice) | |
| 7907 ; | |
| 7908 else | |
| 7909 { // Try to do a decent error message with the expression | |
| 7910 // before it got constant folded | |
| 7911 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7912 } | |
| 7913 | |
| 7914 if (e1->op == TOKslice && | |
| 7915 t1->nextOf() && | |
| 7916 e2->implicitConvTo(t1->nextOf()) | |
| 7917 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7918 ) | |
| 7919 { // memset | |
| 7920 ismemset = 1; // make it easy for back end to tell what this is | |
| 7921 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7922 } | |
| 7923 else if (t1->ty == Tsarray) | |
| 7924 { | |
| 7925 error("cannot assign to static array %s", e1->toChars()); | |
| 7926 } | |
| 7927 else | |
| 7928 { | |
| 7929 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7930 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7931 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7932 /* 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
|
7933 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7934 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
|
7935 (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
|
7936 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
|
7937 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
|
7938 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
|
7939 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
|
7940 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7941 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
|
7942 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
|
7943 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7944 |
| 159 | 7945 type = e1->type; |
| 7946 assert(type); | |
| 7947 return this; | |
| 7948 } | |
| 7949 | |
| 7950 Expression *AssignExp::checkToBoolean() | |
| 7951 { | |
| 7952 // Things like: | |
| 7953 // if (a = b) ... | |
| 7954 // are usually mistakes. | |
| 7955 | |
| 7956 error("'=' does not give a boolean result"); | |
| 7957 return this; | |
| 7958 } | |
| 7959 | |
| 7960 /************************************************************/ | |
| 7961 | |
| 7962 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7963 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7964 { | |
| 7965 } | |
| 7966 | |
| 7967 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7968 { Expression *e; | |
| 7969 | |
| 7970 if (type) | |
| 7971 return this; | |
| 7972 | |
| 7973 BinExp::semantic(sc); | |
| 7974 e2 = resolveProperties(sc, e2); | |
| 7975 | |
| 7976 e = op_overload(sc); | |
| 7977 if (e) | |
| 7978 return e; | |
| 7979 | |
| 7980 Type *tb1 = e1->type->toBasetype(); | |
| 7981 Type *tb2 = e2->type->toBasetype(); | |
| 7982 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7983 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
|
7984 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7985 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
|
7986 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
|
7987 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
|
7988 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7989 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7990 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7991 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
|
7992 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7993 |
| 159 | 7994 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7995 (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
|
7996 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7997 ) |
| 7998 { | |
| 7999 type = e1->type; | |
| 8000 e = this; | |
| 8001 } | |
| 8002 else | |
| 8003 { | |
| 8004 e1->checkScalar(); | |
| 8005 e1->checkNoBool(); | |
| 8006 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8007 e = scaleFactor(sc); | |
| 8008 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8009 { | |
| 8010 #if 0 | |
| 8011 // Need to rethink this | |
| 8012 if (e1->op != TOKvar) | |
| 8013 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8014 VarDeclaration *v; | |
| 8015 Expression *ea; | |
| 8016 Expression *ex; | |
| 8017 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8018 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8019 |
| 8020 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8021 v->semantic(sc); | |
| 8022 if (!sc->insert(v)) | |
| 8023 assert(0); | |
| 8024 v->parent = sc->func; | |
| 8025 | |
| 8026 ea = new AddrExp(loc, e1); | |
| 8027 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8028 | |
| 8029 ex = new VarExp(loc, v); | |
| 8030 ex = new PtrExp(loc, ex); | |
| 8031 e = new AddExp(loc, ex, e2); | |
| 8032 e = new CastExp(loc, e, e1->type); | |
| 8033 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8034 | |
| 8035 e = new CommaExp(loc, ea, e); | |
| 8036 } | |
| 8037 else | |
| 8038 #endif | |
| 8039 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8040 // BUG: doesn't account for side effects in e1 | |
| 8041 // BUG: other assignment operators for bits aren't handled at all | |
| 8042 e = new AddExp(loc, e1, e2); | |
| 8043 e = new CastExp(loc, e, e1->type); | |
| 8044 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8045 } | |
| 8046 e = e->semantic(sc); | |
| 8047 } | |
| 8048 else | |
| 8049 { | |
| 8050 type = e1->type; | |
| 8051 typeCombine(sc); | |
| 8052 e1->checkArithmetic(); | |
| 8053 e2->checkArithmetic(); | |
| 8054 if (type->isreal() || type->isimaginary()) | |
| 8055 { | |
| 8056 assert(global.errors || e2->type->isfloating()); | |
| 8057 e2 = e2->castTo(sc, e1->type); | |
| 8058 } | |
| 8059 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8060 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8061 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
|
8062 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8063 } |
| 8064 } | |
| 8065 return e; | |
| 8066 } | |
| 8067 | |
| 8068 /************************************************************/ | |
| 8069 | |
| 8070 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8071 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8072 { | |
| 8073 } | |
| 8074 | |
| 8075 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8076 { Expression *e; | |
| 8077 | |
| 8078 if (type) | |
| 8079 return this; | |
| 8080 | |
| 8081 BinExp::semantic(sc); | |
| 8082 e2 = resolveProperties(sc, e2); | |
| 8083 | |
| 8084 e = op_overload(sc); | |
| 8085 if (e) | |
| 8086 return e; | |
| 8087 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8088 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
|
8089 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8090 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
|
8091 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
|
8092 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
|
8093 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8094 |
| 159 | 8095 e1 = e1->modifiableLvalue(sc, e1); |
| 8096 e1->checkScalar(); | |
| 8097 e1->checkNoBool(); | |
| 8098 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8099 e = scaleFactor(sc); | |
| 8100 else | |
| 8101 { | |
| 8102 e1 = e1->checkArithmetic(); | |
| 8103 e2 = e2->checkArithmetic(); | |
| 8104 type = e1->type; | |
| 8105 typeCombine(sc); | |
| 8106 if (type->isreal() || type->isimaginary()) | |
| 8107 { | |
| 8108 assert(e2->type->isfloating()); | |
| 8109 e2 = e2->castTo(sc, e1->type); | |
| 8110 } | |
| 8111 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8112 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8113 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
|
8114 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8115 } |
| 8116 return e; | |
| 8117 } | |
| 8118 | |
| 8119 /************************************************************/ | |
| 8120 | |
| 8121 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8122 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8123 { | |
| 8124 } | |
| 8125 | |
| 8126 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8127 { Expression *e; | |
| 8128 | |
| 8129 BinExp::semantic(sc); | |
| 8130 e2 = resolveProperties(sc, e2); | |
| 8131 | |
| 8132 e = op_overload(sc); | |
| 8133 if (e) | |
| 8134 return e; | |
| 8135 | |
| 8136 if (e1->op == TOKslice) | |
| 8137 { SliceExp *se = (SliceExp *)e1; | |
| 8138 | |
| 8139 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8140 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8141 } | |
| 8142 | |
| 8143 e1 = e1->modifiableLvalue(sc, e1); | |
| 8144 | |
| 8145 Type *tb1 = e1->type->toBasetype(); | |
| 8146 Type *tb2 = e2->type->toBasetype(); | |
| 8147 | |
| 8148 e2->rvalue(); | |
| 8149 | |
| 8150 if ((tb1->ty == Tarray) && | |
| 8151 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8152 e2->implicitConvTo(e1->type) | |
| 8153 //e1->type->next->equals(e2->type->next) | |
| 8154 ) | |
| 8155 { // Append array | |
| 8156 e2 = e2->castTo(sc, e1->type); | |
| 8157 type = e1->type; | |
| 8158 e = this; | |
| 8159 } | |
| 8160 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
|
8161 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8162 ) |
| 8163 { // 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
|
8164 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8165 type = e1->type; |
| 8166 e = this; | |
| 8167 } | |
| 8168 else | |
| 8169 { | |
| 8170 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8171 type = Type::tint32; | |
| 8172 e = this; | |
| 8173 } | |
| 8174 return e; | |
| 8175 } | |
| 8176 | |
| 8177 /************************************************************/ | |
| 8178 | |
| 8179 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8180 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8181 { | |
| 8182 } | |
| 8183 | |
| 8184 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8185 { Expression *e; | |
| 8186 | |
| 8187 BinExp::semantic(sc); | |
| 8188 e2 = resolveProperties(sc, e2); | |
| 8189 | |
| 8190 e = op_overload(sc); | |
| 8191 if (e) | |
| 8192 return e; | |
| 8193 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8194 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
|
8195 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8196 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
|
8197 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
|
8198 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
|
8199 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8200 |
| 159 | 8201 e1 = e1->modifiableLvalue(sc, e1); |
| 8202 e1->checkScalar(); | |
| 8203 e1->checkNoBool(); | |
| 8204 type = e1->type; | |
| 8205 typeCombine(sc); | |
| 8206 e1->checkArithmetic(); | |
| 8207 e2->checkArithmetic(); | |
| 8208 if (e2->type->isfloating()) | |
| 8209 { Type *t1; | |
| 8210 Type *t2; | |
| 8211 | |
| 8212 t1 = e1->type; | |
| 8213 t2 = e2->type; | |
| 8214 if (t1->isreal()) | |
| 8215 { | |
| 8216 if (t2->isimaginary() || t2->iscomplex()) | |
| 8217 { | |
| 8218 e2 = e2->castTo(sc, t1); | |
| 8219 } | |
| 8220 } | |
| 8221 else if (t1->isimaginary()) | |
| 8222 { | |
| 8223 if (t2->isimaginary() || t2->iscomplex()) | |
| 8224 { | |
| 8225 switch (t1->ty) | |
| 8226 { | |
| 8227 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8228 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8229 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8230 default: | |
| 8231 assert(0); | |
| 8232 } | |
| 8233 e2 = e2->castTo(sc, t2); | |
| 8234 } | |
| 8235 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8236 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8237 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
|
8238 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8239 } |
| 8240 return this; | |
| 8241 } | |
| 8242 | |
| 8243 /************************************************************/ | |
| 8244 | |
| 8245 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8246 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8247 { | |
| 8248 } | |
| 8249 | |
| 8250 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8251 { Expression *e; | |
| 8252 | |
| 8253 BinExp::semantic(sc); | |
| 8254 e2 = resolveProperties(sc, e2); | |
| 8255 | |
| 8256 e = op_overload(sc); | |
| 8257 if (e) | |
| 8258 return e; | |
| 8259 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8260 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
|
8261 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8262 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
|
8263 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
|
8264 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
|
8265 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8266 |
| 159 | 8267 e1 = e1->modifiableLvalue(sc, e1); |
| 8268 e1->checkScalar(); | |
| 8269 e1->checkNoBool(); | |
| 8270 type = e1->type; | |
| 8271 typeCombine(sc); | |
| 8272 e1->checkArithmetic(); | |
| 8273 e2->checkArithmetic(); | |
| 8274 if (e2->type->isimaginary()) | |
| 8275 { Type *t1; | |
| 8276 Type *t2; | |
| 8277 | |
| 8278 t1 = e1->type; | |
| 8279 if (t1->isreal()) | |
| 8280 { // x/iv = i(-x/v) | |
| 8281 // Therefore, the result is 0 | |
| 8282 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8283 e2->type = t1; | |
| 8284 e = new AssignExp(loc, e1, e2); | |
| 8285 e->type = t1; | |
| 8286 return e; | |
| 8287 } | |
| 8288 else if (t1->isimaginary()) | |
| 8289 { Expression *e; | |
| 8290 | |
| 8291 switch (t1->ty) | |
| 8292 { | |
| 8293 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8294 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8295 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8296 default: | |
| 8297 assert(0); | |
| 8298 } | |
| 8299 e2 = e2->castTo(sc, t2); | |
| 8300 e = new AssignExp(loc, e1, e2); | |
| 8301 e->type = t1; | |
| 8302 return e; | |
| 8303 } | |
| 8304 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8305 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8306 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
|
8307 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
|
8308 |
| 159 | 8309 return this; |
| 8310 } | |
| 8311 | |
| 8312 /************************************************************/ | |
| 8313 | |
| 8314 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8315 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8316 { | |
| 8317 } | |
| 8318 | |
| 8319 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8320 { | |
| 8321 return commonSemanticAssign(sc); | |
| 8322 } | |
| 8323 | |
| 8324 /************************************************************/ | |
| 8325 | |
| 8326 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8327 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8328 { | |
| 8329 } | |
| 8330 | |
| 8331 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8332 { Expression *e; | |
| 8333 | |
| 8334 //printf("ShlAssignExp::semantic()\n"); | |
| 8335 BinExp::semantic(sc); | |
| 8336 e2 = resolveProperties(sc, e2); | |
| 8337 | |
| 8338 e = op_overload(sc); | |
| 8339 if (e) | |
| 8340 return e; | |
| 8341 | |
| 8342 e1 = e1->modifiableLvalue(sc, e1); | |
| 8343 e1->checkScalar(); | |
| 8344 e1->checkNoBool(); | |
| 8345 type = e1->type; | |
| 8346 typeCombine(sc); | |
| 8347 e1->checkIntegral(); | |
| 8348 e2 = e2->checkIntegral(); | |
| 8349 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8350 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8351 return this; |
| 8352 } | |
| 8353 | |
| 8354 /************************************************************/ | |
| 8355 | |
| 8356 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8357 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8358 { | |
| 8359 } | |
| 8360 | |
| 8361 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8362 { Expression *e; | |
| 8363 | |
| 8364 BinExp::semantic(sc); | |
| 8365 e2 = resolveProperties(sc, e2); | |
| 8366 | |
| 8367 e = op_overload(sc); | |
| 8368 if (e) | |
| 8369 return e; | |
| 8370 | |
| 8371 e1 = e1->modifiableLvalue(sc, e1); | |
| 8372 e1->checkScalar(); | |
| 8373 e1->checkNoBool(); | |
| 8374 type = e1->type; | |
| 8375 typeCombine(sc); | |
| 8376 e1->checkIntegral(); | |
| 8377 e2 = e2->checkIntegral(); | |
| 8378 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8379 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8380 return this; |
| 8381 } | |
| 8382 | |
| 8383 /************************************************************/ | |
| 8384 | |
| 8385 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8386 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8387 { | |
| 8388 } | |
| 8389 | |
| 8390 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8391 { Expression *e; | |
| 8392 | |
| 8393 BinExp::semantic(sc); | |
| 8394 e2 = resolveProperties(sc, e2); | |
| 8395 | |
| 8396 e = op_overload(sc); | |
| 8397 if (e) | |
| 8398 return e; | |
| 8399 | |
| 8400 e1 = e1->modifiableLvalue(sc, e1); | |
| 8401 e1->checkScalar(); | |
| 8402 e1->checkNoBool(); | |
| 8403 type = e1->type; | |
| 8404 typeCombine(sc); | |
| 8405 e1->checkIntegral(); | |
| 8406 e2 = e2->checkIntegral(); | |
| 8407 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8408 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8409 return this; |
| 8410 } | |
| 8411 | |
| 8412 /************************************************************/ | |
| 8413 | |
| 8414 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8415 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8416 { | |
| 8417 } | |
| 8418 | |
| 8419 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8420 { | |
| 8421 return commonSemanticAssignIntegral(sc); | |
| 8422 } | |
| 8423 | |
| 8424 /************************************************************/ | |
| 8425 | |
| 8426 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8427 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8428 { | |
| 8429 } | |
| 8430 | |
| 8431 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8432 { | |
| 8433 return commonSemanticAssignIntegral(sc); | |
| 8434 } | |
| 8435 | |
| 8436 /************************************************************/ | |
| 8437 | |
| 8438 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8439 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8440 { | |
| 8441 } | |
| 8442 | |
| 8443 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8444 { | |
| 8445 return commonSemanticAssignIntegral(sc); | |
| 8446 } | |
| 8447 | |
| 8448 /************************* AddExp *****************************/ | |
| 8449 | |
| 8450 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8451 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8452 { | |
| 8453 } | |
| 8454 | |
| 8455 Expression *AddExp::semantic(Scope *sc) | |
| 8456 { Expression *e; | |
| 8457 | |
| 8458 #if LOGSEMANTIC | |
| 8459 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8460 #endif | |
| 8461 if (!type) | |
| 8462 { | |
| 8463 BinExp::semanticp(sc); | |
| 8464 | |
| 8465 e = op_overload(sc); | |
| 8466 if (e) | |
| 8467 return e; | |
| 8468 | |
| 8469 Type *tb1 = e1->type->toBasetype(); | |
| 8470 Type *tb2 = e2->type->toBasetype(); | |
| 8471 | |
| 8472 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8473 (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
|
8474 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8475 ) |
| 8476 { | |
| 8477 type = e1->type; | |
| 8478 e = this; | |
| 8479 } | |
| 8480 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8481 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8482 e = scaleFactor(sc); | |
| 8483 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8484 { | |
| 8485 incompatibleTypes(); | |
| 8486 type = e1->type; | |
| 8487 e = this; | |
| 8488 } | |
| 8489 else | |
| 8490 { | |
| 8491 typeCombine(sc); | |
| 8492 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8493 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8494 { | |
| 8495 switch (type->toBasetype()->ty) | |
| 8496 { | |
| 8497 case Tfloat32: | |
| 8498 case Timaginary32: | |
| 8499 type = Type::tcomplex32; | |
| 8500 break; | |
| 8501 | |
| 8502 case Tfloat64: | |
| 8503 case Timaginary64: | |
| 8504 type = Type::tcomplex64; | |
| 8505 break; | |
| 8506 | |
| 8507 case Tfloat80: | |
| 8508 case Timaginary80: | |
| 8509 type = Type::tcomplex80; | |
| 8510 break; | |
| 8511 | |
| 8512 default: | |
| 8513 assert(0); | |
| 8514 } | |
| 8515 } | |
| 8516 e = this; | |
| 8517 } | |
| 8518 return e; | |
| 8519 } | |
| 8520 return this; | |
| 8521 } | |
| 8522 | |
| 8523 /************************************************************/ | |
| 8524 | |
| 8525 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8526 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8527 { | |
| 8528 } | |
| 8529 | |
| 8530 Expression *MinExp::semantic(Scope *sc) | |
| 8531 { Expression *e; | |
| 8532 Type *t1; | |
| 8533 Type *t2; | |
| 8534 | |
| 8535 #if LOGSEMANTIC | |
| 8536 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8537 #endif | |
| 8538 if (type) | |
| 8539 return this; | |
| 8540 | |
| 8541 BinExp::semanticp(sc); | |
| 8542 | |
| 8543 e = op_overload(sc); | |
| 8544 if (e) | |
| 8545 return e; | |
| 8546 | |
| 8547 e = this; | |
| 8548 t1 = e1->type->toBasetype(); | |
| 8549 t2 = e2->type->toBasetype(); | |
| 8550 if (t1->ty == Tpointer) | |
| 8551 { | |
| 8552 if (t2->ty == Tpointer) | |
| 8553 { // Need to divide the result by the stride | |
| 8554 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8555 d_int64 stride; | |
| 8556 Expression *e; | |
| 8557 | |
| 8558 typeCombine(sc); // make sure pointer types are compatible | |
| 8559 type = Type::tptrdiff_t; | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8560 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
|
8561 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
|
8562 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8563 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
|
8564 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8565 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8566 { |
|
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 = 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
|
8568 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
|
8569 } |
| 159 | 8570 return e; |
| 8571 } | |
| 8572 else if (t2->isintegral()) | |
| 8573 e = scaleFactor(sc); | |
| 8574 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
|
8575 { error("incompatible types for minus"); |
| 159 | 8576 return new IntegerExp(0); |
| 8577 } | |
| 8578 } | |
| 8579 else if (t2->ty == Tpointer) | |
| 8580 { | |
| 8581 type = e2->type; | |
| 8582 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8583 return new IntegerExp(0); | |
| 8584 } | |
| 8585 else | |
| 8586 { | |
| 8587 typeCombine(sc); | |
| 8588 t1 = e1->type->toBasetype(); | |
| 8589 t2 = e2->type->toBasetype(); | |
| 8590 if ((t1->isreal() && t2->isimaginary()) || | |
| 8591 (t1->isimaginary() && t2->isreal())) | |
| 8592 { | |
| 8593 switch (type->ty) | |
| 8594 { | |
| 8595 case Tfloat32: | |
| 8596 case Timaginary32: | |
| 8597 type = Type::tcomplex32; | |
| 8598 break; | |
| 8599 | |
| 8600 case Tfloat64: | |
| 8601 case Timaginary64: | |
| 8602 type = Type::tcomplex64; | |
| 8603 break; | |
| 8604 | |
| 8605 case Tfloat80: | |
| 8606 case Timaginary80: | |
| 8607 type = Type::tcomplex80; | |
| 8608 break; | |
| 8609 | |
| 8610 default: | |
| 8611 assert(0); | |
| 8612 } | |
| 8613 } | |
| 8614 } | |
| 8615 return e; | |
| 8616 } | |
| 8617 | |
| 8618 /************************* CatExp *****************************/ | |
| 8619 | |
| 8620 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8621 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8622 { | |
| 8623 } | |
| 8624 | |
| 8625 Expression *CatExp::semantic(Scope *sc) | |
| 8626 { Expression *e; | |
| 8627 | |
| 8628 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8629 if (!type) | |
| 8630 { | |
| 8631 BinExp::semanticp(sc); | |
| 8632 e = op_overload(sc); | |
| 8633 if (e) | |
| 8634 return e; | |
| 8635 | |
| 8636 Type *tb1 = e1->type->toBasetype(); | |
| 8637 Type *tb2 = e2->type->toBasetype(); | |
| 8638 | |
| 8639 | |
| 8640 /* BUG: Should handle things like: | |
| 8641 * char c; | |
| 8642 * c ~ ' ' | |
| 8643 * ' ' ~ c; | |
| 8644 */ | |
| 8645 | |
| 8646 #if 0 | |
| 8647 e1->type->print(); | |
| 8648 e2->type->print(); | |
| 8649 #endif | |
| 8650 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8651 e2->type->equals(tb1->next)) | |
| 8652 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8653 type = tb1->nextOf()->arrayOf(); |
| 159 | 8654 if (tb2->ty == Tarray) |
| 8655 { // Make e2 into [e2] | |
| 8656 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8657 e2->type = type; | |
| 8658 } | |
| 8659 return this; | |
| 8660 } | |
| 8661 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8662 e1->type->equals(tb2->next)) | |
| 8663 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8664 type = tb2->nextOf()->arrayOf(); |
| 159 | 8665 if (tb1->ty == Tarray) |
| 8666 { // Make e1 into [e1] | |
| 8667 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8668 e1->type = type; | |
| 8669 } | |
| 8670 return this; | |
| 8671 } | |
| 8672 | |
| 8673 typeCombine(sc); | |
| 8674 | |
| 8675 if (type->toBasetype()->ty == Tsarray) | |
| 8676 type = type->toBasetype()->next->arrayOf(); | |
| 8677 #if 0 | |
| 8678 e1->type->print(); | |
| 8679 e2->type->print(); | |
| 8680 type->print(); | |
| 8681 print(); | |
| 8682 #endif | |
| 8683 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8684 e = optimize(WANTvalue); | |
| 8685 else if (e1->type->equals(e2->type) && | |
| 8686 (e1->type->toBasetype()->ty == Tarray || | |
| 8687 e1->type->toBasetype()->ty == Tsarray)) | |
| 8688 { | |
| 8689 e = this; | |
| 8690 } | |
| 8691 else | |
| 8692 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8693 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8694 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8695 e1->type->toChars(), e2->type->toChars()); | |
| 8696 type = Type::tint32; | |
| 8697 e = this; | |
| 8698 } | |
| 8699 e->type = e->type->semantic(loc, sc); | |
| 8700 return e; | |
| 8701 } | |
| 8702 return this; | |
| 8703 } | |
| 8704 | |
| 8705 /************************************************************/ | |
| 8706 | |
| 8707 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8708 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8709 { | |
| 8710 } | |
| 8711 | |
| 8712 Expression *MulExp::semantic(Scope *sc) | |
| 8713 { Expression *e; | |
| 8714 | |
| 8715 #if 0 | |
| 8716 printf("MulExp::semantic() %s\n", toChars()); | |
| 8717 #endif | |
| 8718 if (type) | |
| 8719 { | |
| 8720 return this; | |
| 8721 } | |
| 8722 | |
| 8723 BinExp::semanticp(sc); | |
| 8724 e = op_overload(sc); | |
| 8725 if (e) | |
| 8726 return e; | |
| 8727 | |
| 8728 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
|
8729 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
|
8730 { 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
|
8731 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
|
8732 } |
| 159 | 8733 if (type->isfloating()) |
| 8734 { Type *t1 = e1->type; | |
| 8735 Type *t2 = e2->type; | |
| 8736 | |
| 8737 if (t1->isreal()) | |
| 8738 { | |
| 8739 type = t2; | |
| 8740 } | |
| 8741 else if (t2->isreal()) | |
| 8742 { | |
| 8743 type = t1; | |
| 8744 } | |
| 8745 else if (t1->isimaginary()) | |
| 8746 { | |
| 8747 if (t2->isimaginary()) | |
| 8748 { Expression *e; | |
| 8749 | |
| 8750 switch (t1->ty) | |
| 8751 { | |
| 8752 case Timaginary32: type = Type::tfloat32; break; | |
| 8753 case Timaginary64: type = Type::tfloat64; break; | |
| 8754 case Timaginary80: type = Type::tfloat80; break; | |
| 8755 default: assert(0); | |
| 8756 } | |
| 8757 | |
| 8758 // iy * iv = -yv | |
| 8759 e1->type = type; | |
| 8760 e2->type = type; | |
| 8761 e = new NegExp(loc, this); | |
| 8762 e = e->semantic(sc); | |
| 8763 return e; | |
| 8764 } | |
| 8765 else | |
| 8766 type = t2; // t2 is complex | |
| 8767 } | |
| 8768 else if (t2->isimaginary()) | |
| 8769 { | |
| 8770 type = t1; // t1 is complex | |
| 8771 } | |
| 8772 } | |
| 8773 return this; | |
| 8774 } | |
| 8775 | |
| 8776 /************************************************************/ | |
| 8777 | |
| 8778 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8779 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8780 { | |
| 8781 } | |
| 8782 | |
| 8783 Expression *DivExp::semantic(Scope *sc) | |
| 8784 { Expression *e; | |
| 8785 | |
| 8786 if (type) | |
| 8787 return this; | |
| 8788 | |
| 8789 BinExp::semanticp(sc); | |
| 8790 e = op_overload(sc); | |
| 8791 if (e) | |
| 8792 return e; | |
| 8793 | |
| 8794 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
|
8795 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
|
8796 { 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
|
8797 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
|
8798 } |
| 159 | 8799 if (type->isfloating()) |
| 8800 { Type *t1 = e1->type; | |
| 8801 Type *t2 = e2->type; | |
| 8802 | |
| 8803 if (t1->isreal()) | |
| 8804 { | |
| 8805 type = t2; | |
| 8806 if (t2->isimaginary()) | |
| 8807 { Expression *e; | |
| 8808 | |
| 8809 // x/iv = i(-x/v) | |
| 8810 e2->type = t1; | |
| 8811 e = new NegExp(loc, this); | |
| 8812 e = e->semantic(sc); | |
| 8813 return e; | |
| 8814 } | |
| 8815 } | |
| 8816 else if (t2->isreal()) | |
| 8817 { | |
| 8818 type = t1; | |
| 8819 } | |
| 8820 else if (t1->isimaginary()) | |
| 8821 { | |
| 8822 if (t2->isimaginary()) | |
| 8823 { | |
| 8824 switch (t1->ty) | |
| 8825 { | |
| 8826 case Timaginary32: type = Type::tfloat32; break; | |
| 8827 case Timaginary64: type = Type::tfloat64; break; | |
| 8828 case Timaginary80: type = Type::tfloat80; break; | |
| 8829 default: assert(0); | |
| 8830 } | |
| 8831 } | |
| 8832 else | |
| 8833 type = t2; // t2 is complex | |
| 8834 } | |
| 8835 else if (t2->isimaginary()) | |
| 8836 { | |
| 8837 type = t1; // t1 is complex | |
| 8838 } | |
| 8839 } | |
| 8840 return this; | |
| 8841 } | |
| 8842 | |
| 8843 /************************************************************/ | |
| 8844 | |
| 8845 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8846 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8847 { | |
| 8848 } | |
| 8849 | |
| 8850 Expression *ModExp::semantic(Scope *sc) | |
| 8851 { Expression *e; | |
| 8852 | |
| 8853 if (type) | |
| 8854 return this; | |
| 8855 | |
| 8856 BinExp::semanticp(sc); | |
| 8857 e = op_overload(sc); | |
| 8858 if (e) | |
| 8859 return e; | |
| 8860 | |
| 8861 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
|
8862 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
|
8863 { 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
|
8864 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
|
8865 } |
| 159 | 8866 if (type->isfloating()) |
| 8867 { type = e1->type; | |
| 8868 if (e2->type->iscomplex()) | |
| 8869 { error("cannot perform modulo complex arithmetic"); | |
| 8870 return new IntegerExp(0); | |
| 8871 } | |
| 8872 } | |
| 8873 return this; | |
| 8874 } | |
| 8875 | |
| 8876 /************************************************************/ | |
| 8877 | |
| 8878 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8879 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8880 { | |
| 8881 } | |
| 8882 | |
| 8883 Expression *ShlExp::semantic(Scope *sc) | |
| 8884 { Expression *e; | |
| 8885 | |
| 8886 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8887 if (!type) | |
| 8888 { BinExp::semanticp(sc); | |
| 8889 e = op_overload(sc); | |
| 8890 if (e) | |
| 8891 return e; | |
| 8892 e1 = e1->checkIntegral(); | |
| 8893 e2 = e2->checkIntegral(); | |
| 8894 e1 = e1->integralPromotions(sc); | |
| 8895 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8896 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8897 type = e1->type; |
| 8898 } | |
| 8899 return this; | |
| 8900 } | |
| 8901 | |
| 8902 /************************************************************/ | |
| 8903 | |
| 8904 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8905 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8906 { | |
| 8907 } | |
| 8908 | |
| 8909 Expression *ShrExp::semantic(Scope *sc) | |
| 8910 { Expression *e; | |
| 8911 | |
| 8912 if (!type) | |
| 8913 { BinExp::semanticp(sc); | |
| 8914 e = op_overload(sc); | |
| 8915 if (e) | |
| 8916 return e; | |
| 8917 e1 = e1->checkIntegral(); | |
| 8918 e2 = e2->checkIntegral(); | |
| 8919 e1 = e1->integralPromotions(sc); | |
| 8920 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8921 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8922 type = e1->type; |
| 8923 } | |
| 8924 return this; | |
| 8925 } | |
| 8926 | |
| 8927 /************************************************************/ | |
| 8928 | |
| 8929 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8930 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8931 { | |
| 8932 } | |
| 8933 | |
| 8934 Expression *UshrExp::semantic(Scope *sc) | |
| 8935 { Expression *e; | |
| 8936 | |
| 8937 if (!type) | |
| 8938 { BinExp::semanticp(sc); | |
| 8939 e = op_overload(sc); | |
| 8940 if (e) | |
| 8941 return e; | |
| 8942 e1 = e1->checkIntegral(); | |
| 8943 e2 = e2->checkIntegral(); | |
| 8944 e1 = e1->integralPromotions(sc); | |
| 8945 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8946 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8947 type = e1->type; |
| 8948 } | |
| 8949 return this; | |
| 8950 } | |
| 8951 | |
| 8952 /************************************************************/ | |
| 8953 | |
| 8954 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8955 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8956 { | |
| 8957 } | |
| 8958 | |
| 8959 Expression *AndExp::semantic(Scope *sc) | |
| 8960 { Expression *e; | |
| 8961 | |
| 8962 if (!type) | |
| 8963 { BinExp::semanticp(sc); | |
| 8964 e = op_overload(sc); | |
| 8965 if (e) | |
| 8966 return e; | |
| 8967 if (e1->type->toBasetype()->ty == Tbool && | |
| 8968 e2->type->toBasetype()->ty == Tbool) | |
| 8969 { | |
| 8970 type = e1->type; | |
| 8971 e = this; | |
| 8972 } | |
| 8973 else | |
| 8974 { | |
| 8975 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
|
8976 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
|
8977 { 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
|
8978 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
|
8979 } |
| 159 | 8980 } |
| 8981 } | |
| 8982 return this; | |
| 8983 } | |
| 8984 | |
| 8985 /************************************************************/ | |
| 8986 | |
| 8987 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8988 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8989 { | |
| 8990 } | |
| 8991 | |
| 8992 Expression *OrExp::semantic(Scope *sc) | |
| 8993 { Expression *e; | |
| 8994 | |
| 8995 if (!type) | |
| 8996 { BinExp::semanticp(sc); | |
| 8997 e = op_overload(sc); | |
| 8998 if (e) | |
| 8999 return e; | |
| 9000 if (e1->type->toBasetype()->ty == Tbool && | |
| 9001 e2->type->toBasetype()->ty == Tbool) | |
| 9002 { | |
| 9003 type = e1->type; | |
| 9004 e = this; | |
| 9005 } | |
| 9006 else | |
| 9007 { | |
| 9008 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
|
9009 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
|
9010 { 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
|
9011 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
|
9012 } |
| 159 | 9013 } |
| 9014 } | |
| 9015 return this; | |
| 9016 } | |
| 9017 | |
| 9018 /************************************************************/ | |
| 9019 | |
| 9020 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9021 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9022 { | |
| 9023 } | |
| 9024 | |
| 9025 Expression *XorExp::semantic(Scope *sc) | |
| 9026 { Expression *e; | |
| 9027 | |
| 9028 if (!type) | |
| 9029 { BinExp::semanticp(sc); | |
| 9030 e = op_overload(sc); | |
| 9031 if (e) | |
| 9032 return e; | |
| 9033 if (e1->type->toBasetype()->ty == Tbool && | |
| 9034 e2->type->toBasetype()->ty == Tbool) | |
| 9035 { | |
| 9036 type = e1->type; | |
| 9037 e = this; | |
| 9038 } | |
| 9039 else | |
| 9040 { | |
| 9041 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
|
9042 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
|
9043 { 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
|
9044 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
|
9045 } |
| 159 | 9046 } |
| 9047 } | |
| 9048 return this; | |
| 9049 } | |
| 9050 | |
| 9051 | |
| 9052 /************************************************************/ | |
| 9053 | |
| 9054 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9055 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9056 { | |
| 9057 } | |
| 9058 | |
| 9059 Expression *OrOrExp::semantic(Scope *sc) | |
| 9060 { | |
| 9061 unsigned cs1; | |
| 9062 | |
| 9063 // same as for AndAnd | |
| 9064 e1 = e1->semantic(sc); | |
| 9065 e1 = resolveProperties(sc, e1); | |
| 9066 e1 = e1->checkToPointer(); | |
| 9067 e1 = e1->checkToBoolean(); | |
| 9068 cs1 = sc->callSuper; | |
| 9069 | |
| 9070 if (sc->flags & SCOPEstaticif) | |
| 9071 { | |
| 9072 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9073 */ | |
| 9074 e1 = e1->optimize(WANTflags); | |
| 9075 if (e1->isBool(TRUE)) | |
| 9076 { | |
| 9077 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9078 } | |
| 9079 } | |
| 9080 | |
| 9081 e2 = e2->semantic(sc); | |
| 9082 sc->mergeCallSuper(loc, cs1); | |
| 9083 e2 = resolveProperties(sc, e2); | |
| 9084 e2 = e2->checkToPointer(); | |
| 9085 | |
| 9086 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
|
9087 if (e2->type->ty == Tvoid) |
| 159 | 9088 type = Type::tvoid; |
| 9089 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9090 error("%s is not an expression", e2->toChars()); | |
| 9091 return this; | |
| 9092 } | |
| 9093 | |
| 9094 Expression *OrOrExp::checkToBoolean() | |
| 9095 { | |
| 9096 e2 = e2->checkToBoolean(); | |
| 9097 return this; | |
| 9098 } | |
| 9099 | |
| 9100 int OrOrExp::isBit() | |
| 9101 { | |
| 9102 return TRUE; | |
| 9103 } | |
| 9104 | |
| 9105 int OrOrExp::checkSideEffect(int flag) | |
| 9106 { | |
| 9107 if (flag == 2) | |
| 9108 { | |
| 9109 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9110 } | |
| 9111 else | |
| 9112 { e1->checkSideEffect(1); | |
| 9113 return e2->checkSideEffect(flag); | |
| 9114 } | |
| 9115 } | |
| 9116 | |
| 9117 /************************************************************/ | |
| 9118 | |
| 9119 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9120 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9121 { | |
| 9122 } | |
| 9123 | |
| 9124 Expression *AndAndExp::semantic(Scope *sc) | |
| 9125 { | |
| 9126 unsigned cs1; | |
| 9127 | |
| 9128 // same as for OrOr | |
| 9129 e1 = e1->semantic(sc); | |
| 9130 e1 = resolveProperties(sc, e1); | |
| 9131 e1 = e1->checkToPointer(); | |
| 9132 e1 = e1->checkToBoolean(); | |
| 9133 cs1 = sc->callSuper; | |
| 9134 | |
| 9135 if (sc->flags & SCOPEstaticif) | |
| 9136 { | |
| 9137 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9138 */ | |
| 9139 e1 = e1->optimize(WANTflags); | |
| 9140 if (e1->isBool(FALSE)) | |
| 9141 { | |
| 9142 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9143 } | |
| 9144 } | |
| 9145 | |
| 9146 e2 = e2->semantic(sc); | |
| 9147 sc->mergeCallSuper(loc, cs1); | |
| 9148 e2 = resolveProperties(sc, e2); | |
| 9149 e2 = e2->checkToPointer(); | |
| 9150 | |
| 9151 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
|
9152 if (e2->type->ty == Tvoid) |
| 159 | 9153 type = Type::tvoid; |
| 9154 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9155 error("%s is not an expression", e2->toChars()); | |
| 9156 return this; | |
| 9157 } | |
| 9158 | |
| 9159 Expression *AndAndExp::checkToBoolean() | |
| 9160 { | |
| 9161 e2 = e2->checkToBoolean(); | |
| 9162 return this; | |
| 9163 } | |
| 9164 | |
| 9165 int AndAndExp::isBit() | |
| 9166 { | |
| 9167 return TRUE; | |
| 9168 } | |
| 9169 | |
| 9170 int AndAndExp::checkSideEffect(int flag) | |
| 9171 { | |
| 9172 if (flag == 2) | |
| 9173 { | |
| 9174 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9175 } | |
| 9176 else | |
| 9177 { | |
| 9178 e1->checkSideEffect(1); | |
| 9179 return e2->checkSideEffect(flag); | |
| 9180 } | |
| 9181 } | |
| 9182 | |
| 9183 /************************************************************/ | |
| 9184 | |
| 9185 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9186 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9187 { | |
| 9188 } | |
| 9189 | |
| 9190 Expression *InExp::semantic(Scope *sc) | |
| 9191 { Expression *e; | |
| 9192 | |
| 9193 if (type) | |
| 9194 return this; | |
| 9195 | |
| 9196 BinExp::semanticp(sc); | |
| 9197 e = op_overload(sc); | |
| 9198 if (e) | |
| 9199 return e; | |
| 9200 | |
| 9201 //type = Type::tboolean; | |
| 9202 Type *t2b = e2->type->toBasetype(); | |
| 9203 if (t2b->ty != Taarray) | |
| 9204 { | |
| 9205 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9206 type = Type::terror; | |
| 9207 } | |
| 9208 else | |
| 9209 { | |
| 9210 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9211 | |
| 9212 // Convert key to type of key | |
| 9213 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9214 | |
| 9215 // 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
|
9216 type = ta->nextOf()->pointerTo(); |
| 159 | 9217 } |
| 9218 return this; | |
| 9219 } | |
| 9220 | |
| 9221 int InExp::isBit() | |
| 9222 { | |
| 9223 return FALSE; | |
| 9224 } | |
| 9225 | |
| 9226 | |
| 9227 /************************************************************/ | |
| 9228 | |
| 9229 /* This deletes the key e1 from the associative array e2 | |
| 9230 */ | |
| 9231 | |
| 9232 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9233 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9234 { | |
| 9235 type = Type::tvoid; | |
| 9236 } | |
| 9237 | |
| 9238 /************************************************************/ | |
| 9239 | |
| 9240 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9241 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9242 { | |
| 9243 } | |
| 9244 | |
| 9245 Expression *CmpExp::semantic(Scope *sc) | |
| 9246 { Expression *e; | |
| 9247 Type *t1; | |
| 9248 Type *t2; | |
| 9249 | |
| 9250 #if LOGSEMANTIC | |
| 9251 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9252 #endif | |
| 9253 if (type) | |
| 9254 return this; | |
| 9255 | |
| 9256 BinExp::semanticp(sc); | |
| 9257 | |
| 9258 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9259 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9260 { | |
| 9261 error("do not use null when comparing class types"); | |
| 9262 } | |
| 9263 | |
| 9264 e = op_overload(sc); | |
| 9265 if (e) | |
| 9266 { | |
| 9267 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9268 e = e->semantic(sc); | |
| 9269 return e; | |
| 9270 } | |
| 9271 | |
| 9272 typeCombine(sc); | |
| 9273 type = Type::tboolean; | |
| 9274 | |
| 9275 // Special handling for array comparisons | |
| 9276 t1 = e1->type->toBasetype(); | |
| 9277 t2 = e2->type->toBasetype(); | |
| 9278 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9279 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9280 { | |
| 9281 if (!t1->next->equals(t2->next)) | |
| 9282 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9283 e = this; | |
| 9284 } | |
| 9285 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9286 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9287 { | |
| 9288 if (t2->ty == Tstruct) | |
| 9289 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9290 else | |
| 9291 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9292 e = this; | |
| 9293 } | |
| 9294 #if 1 | |
| 9295 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9296 { | |
| 9297 error("compare not defined for complex operands"); | |
| 9298 e = new IntegerExp(0); | |
| 9299 } | |
| 9300 #endif | |
| 9301 else | |
| 9302 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
|
9303 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9304 return e; |
| 9305 } | |
| 9306 | |
| 9307 int CmpExp::isBit() | |
| 9308 { | |
| 9309 return TRUE; | |
| 9310 } | |
| 9311 | |
| 9312 | |
| 9313 /************************************************************/ | |
| 9314 | |
| 9315 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9316 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9317 { | |
| 9318 assert(op == TOKequal || op == TOKnotequal); | |
| 9319 } | |
| 9320 | |
| 9321 Expression *EqualExp::semantic(Scope *sc) | |
| 9322 { Expression *e; | |
| 9323 Type *t1; | |
| 9324 Type *t2; | |
| 9325 | |
| 9326 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9327 if (type) | |
| 9328 return this; | |
| 9329 | |
| 9330 BinExp::semanticp(sc); | |
| 9331 | |
| 9332 /* Before checking for operator overloading, check to see if we're | |
| 9333 * comparing the addresses of two statics. If so, we can just see | |
| 9334 * if they are the same symbol. | |
| 9335 */ | |
| 9336 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9337 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9338 AddrExp *ae2 = (AddrExp *)e2; | |
| 9339 | |
| 9340 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9341 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9342 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9343 | |
| 9344 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9345 { | |
| 9346 // They are the same, result is 'true' for ==, 'false' for != | |
| 9347 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9348 return e; | |
| 9349 } | |
| 9350 } | |
| 9351 } | |
| 9352 | |
| 9353 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9354 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9355 { | |
| 9356 error("use '%s' instead of '%s' when comparing with null", | |
| 9357 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9358 Token::toChars(op)); | |
| 9359 } | |
| 9360 | |
| 9361 //if (e2->op != TOKnull) | |
| 9362 { | |
| 9363 e = op_overload(sc); | |
| 9364 if (e) | |
| 9365 { | |
| 9366 if (op == TOKnotequal) | |
| 9367 { | |
| 9368 e = new NotExp(e->loc, e); | |
| 9369 e = e->semantic(sc); | |
| 9370 } | |
| 9371 return e; | |
| 9372 } | |
| 9373 } | |
| 9374 | |
| 9375 e = typeCombine(sc); | |
| 9376 type = Type::tboolean; | |
| 9377 | |
| 9378 // Special handling for array comparisons | |
| 9379 t1 = e1->type->toBasetype(); | |
| 9380 t2 = e2->type->toBasetype(); | |
| 9381 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9382 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9383 { | |
| 9384 if (!t1->next->equals(t2->next)) | |
| 9385 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9386 } | |
| 9387 else | |
| 9388 { | |
| 9389 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9390 { | |
| 9391 // Cast both to complex | |
| 9392 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9393 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9394 } | |
| 9395 } | |
| 9396 return e; | |
| 9397 } | |
| 9398 | |
| 9399 int EqualExp::isBit() | |
| 9400 { | |
| 9401 return TRUE; | |
| 9402 } | |
| 9403 | |
| 9404 | |
| 9405 | |
| 9406 /************************************************************/ | |
| 9407 | |
| 9408 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9409 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9410 { | |
| 9411 } | |
| 9412 | |
| 9413 Expression *IdentityExp::semantic(Scope *sc) | |
| 9414 { | |
| 9415 if (type) | |
| 9416 return this; | |
| 9417 | |
| 9418 BinExp::semanticp(sc); | |
| 9419 type = Type::tboolean; | |
| 9420 typeCombine(sc); | |
| 9421 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9422 { | |
| 9423 // Cast both to complex | |
| 9424 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9425 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9426 } | |
| 9427 return this; | |
| 9428 } | |
| 9429 | |
| 9430 int IdentityExp::isBit() | |
| 9431 { | |
| 9432 return TRUE; | |
| 9433 } | |
| 9434 | |
| 9435 | |
| 9436 /****************************************************************/ | |
| 9437 | |
| 9438 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9439 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9440 { | |
| 9441 this->econd = econd; | |
| 9442 } | |
| 9443 | |
| 9444 Expression *CondExp::syntaxCopy() | |
| 9445 { | |
| 9446 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9447 } | |
| 9448 | |
| 9449 | |
| 9450 Expression *CondExp::semantic(Scope *sc) | |
| 9451 { Type *t1; | |
| 9452 Type *t2; | |
| 9453 unsigned cs0; | |
| 9454 unsigned cs1; | |
| 9455 | |
| 9456 #if LOGSEMANTIC | |
| 9457 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9458 #endif | |
| 9459 if (type) | |
| 9460 return this; | |
| 9461 | |
| 9462 econd = econd->semantic(sc); | |
| 9463 econd = resolveProperties(sc, econd); | |
| 9464 econd = econd->checkToPointer(); | |
| 9465 econd = econd->checkToBoolean(); | |
| 9466 | |
| 9467 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9468 * both contribute to the type of the result. | |
| 9469 */ | |
| 9470 if (sc->flags & SCOPEstaticif) | |
| 9471 { | |
| 9472 /* If in static if, don't evaluate what we don't have to. | |
| 9473 */ | |
| 9474 econd = econd->optimize(WANTflags); | |
| 9475 if (econd->isBool(TRUE)) | |
| 9476 { | |
| 9477 e1 = e1->semantic(sc); | |
| 9478 e1 = resolveProperties(sc, e1); | |
| 9479 return e1; | |
| 9480 } | |
| 9481 else if (econd->isBool(FALSE)) | |
| 9482 { | |
| 9483 e2 = e2->semantic(sc); | |
| 9484 e2 = resolveProperties(sc, e2); | |
| 9485 return e2; | |
| 9486 } | |
| 9487 } | |
| 9488 #endif | |
| 9489 | |
| 9490 | |
| 9491 cs0 = sc->callSuper; | |
| 9492 e1 = e1->semantic(sc); | |
| 9493 e1 = resolveProperties(sc, e1); | |
| 9494 cs1 = sc->callSuper; | |
| 9495 sc->callSuper = cs0; | |
| 9496 e2 = e2->semantic(sc); | |
| 9497 e2 = resolveProperties(sc, e2); | |
| 9498 sc->mergeCallSuper(loc, cs1); | |
| 9499 | |
| 9500 | |
| 9501 // If either operand is void, the result is void | |
| 9502 t1 = e1->type; | |
| 9503 t2 = e2->type; | |
| 9504 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9505 type = Type::tvoid; | |
| 9506 else if (t1 == t2) | |
| 9507 type = t1; | |
| 9508 else | |
| 9509 { | |
| 9510 typeCombine(sc); | |
| 9511 switch (e1->type->toBasetype()->ty) | |
| 9512 { | |
| 9513 case Tcomplex32: | |
| 9514 case Tcomplex64: | |
| 9515 case Tcomplex80: | |
| 9516 e2 = e2->castTo(sc, e1->type); | |
| 9517 break; | |
| 9518 } | |
| 9519 switch (e2->type->toBasetype()->ty) | |
| 9520 { | |
| 9521 case Tcomplex32: | |
| 9522 case Tcomplex64: | |
| 9523 case Tcomplex80: | |
| 9524 e1 = e1->castTo(sc, e2->type); | |
| 9525 break; | |
| 9526 } | |
| 9527 } | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9528 #if 0 |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
9529 printf("res: %s\n", type->toChars()); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9530 printf("e1 : %s\n", e1->type->toChars()); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9531 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9532 #endif |
| 159 | 9533 return this; |
| 9534 } | |
| 9535 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9536 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9537 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9538 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9539 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9540 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9541 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9542 |
| 159 | 9543 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9544 { | |
| 9545 PtrExp *e; | |
| 9546 | |
| 9547 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9548 e = new PtrExp(loc, this, type); | |
| 9549 | |
| 9550 e1 = e1->addressOf(sc); | |
| 9551 //e1 = e1->toLvalue(sc, NULL); | |
| 9552 | |
| 9553 e2 = e2->addressOf(sc); | |
| 9554 //e2 = e2->toLvalue(sc, NULL); | |
| 9555 | |
| 9556 typeCombine(sc); | |
| 9557 | |
| 9558 type = e2->type; | |
| 9559 return e; | |
| 9560 } | |
| 9561 | |
| 9562 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9563 { | |
| 9564 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9565 return this; | |
| 9566 } | |
| 9567 | |
| 9568 void CondExp::checkEscape() | |
| 9569 { | |
| 9570 e1->checkEscape(); | |
| 9571 e2->checkEscape(); | |
| 9572 } | |
| 9573 | |
| 9574 | |
| 9575 Expression *CondExp::checkToBoolean() | |
| 9576 { | |
| 9577 e1 = e1->checkToBoolean(); | |
| 9578 e2 = e2->checkToBoolean(); | |
| 9579 return this; | |
| 9580 } | |
| 9581 | |
| 9582 int CondExp::checkSideEffect(int flag) | |
| 9583 { | |
| 9584 if (flag == 2) | |
| 9585 { | |
| 9586 return econd->checkSideEffect(2) || | |
| 9587 e1->checkSideEffect(2) || | |
| 9588 e2->checkSideEffect(2); | |
| 9589 } | |
| 9590 else | |
| 9591 { | |
| 9592 econd->checkSideEffect(1); | |
| 9593 e1->checkSideEffect(flag); | |
| 9594 return e2->checkSideEffect(flag); | |
| 9595 } | |
| 9596 } | |
| 9597 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9598 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
9599 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9600 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9601 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9602 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9603 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9604 |
| 159 | 9605 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9606 { | |
| 9607 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9608 buf->writestring(" ? "); | |
| 9609 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9610 buf->writestring(" : "); | |
| 9611 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9612 } | |
| 9613 | |
|
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
|
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 |
|
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 #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
|
9617 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9618 // 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
|
9619 |
|
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 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
|
9621 : 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
|
9622 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9623 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
|
9624 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
|
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 |
|
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 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
|
9628 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9629 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
|
9630 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
|
9631 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
|
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 |
|
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 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
|
9635 { |
|
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 // 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
|
9637 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
|
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 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9640 #endif |