Mercurial > projects > ldc
annotate dmd/expression.c @ 1228:79758fd2f48a
Added Doxygen file.
Completely seperated type and symbol generation. Should fix a lot of bugs, but is not yet 100% complete.
| author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
|---|---|
| date | Wed, 15 Apr 2009 20:06:25 +0200 |
| parents | e961851fb8be |
| children | 192529570813 |
| 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 |
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37 #include "rmem.h" |
| 159 | 38 |
| 39 //#include "port.h" | |
| 40 #include "mtype.h" | |
| 41 #include "init.h" | |
| 42 #include "expression.h" | |
| 43 #include "template.h" | |
| 44 #include "utf.h" | |
| 45 #include "enum.h" | |
| 46 #include "scope.h" | |
| 47 #include "statement.h" | |
| 48 #include "declaration.h" | |
| 49 #include "aggregate.h" | |
| 50 #include "import.h" | |
| 51 #include "id.h" | |
| 52 #include "dsymbol.h" | |
| 53 #include "module.h" | |
| 54 #include "attrib.h" | |
| 55 #include "hdrgen.h" | |
| 56 #include "parse.h" | |
| 57 | |
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58 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 59 |
| 60 #define LOGSEMANTIC 0 | |
| 61 | |
| 62 /********************************** | |
| 63 * Set operator precedence for each operator. | |
| 64 */ | |
| 65 | |
| 66 // Operator precedence - greater values are higher precedence | |
| 67 | |
| 68 enum PREC | |
| 69 { | |
| 70 PREC_zero, | |
| 71 PREC_expr, | |
| 72 PREC_assign, | |
| 73 PREC_cond, | |
| 74 PREC_oror, | |
| 75 PREC_andand, | |
| 76 PREC_or, | |
| 77 PREC_xor, | |
| 78 PREC_and, | |
| 79 PREC_equal, | |
| 80 PREC_rel, | |
| 81 PREC_shift, | |
| 82 PREC_add, | |
| 83 PREC_mul, | |
| 84 PREC_unary, | |
| 85 PREC_primary, | |
| 86 }; | |
| 87 | |
| 88 enum PREC precedence[TOKMAX]; | |
| 89 | |
| 90 void initPrecedence() | |
| 91 { | |
| 92 precedence[TOKdotvar] = PREC_primary; | |
| 93 precedence[TOKimport] = PREC_primary; | |
| 94 precedence[TOKidentifier] = PREC_primary; | |
| 95 precedence[TOKthis] = PREC_primary; | |
| 96 precedence[TOKsuper] = PREC_primary; | |
| 97 precedence[TOKint64] = PREC_primary; | |
| 98 precedence[TOKfloat64] = PREC_primary; | |
| 99 precedence[TOKnull] = PREC_primary; | |
| 100 precedence[TOKstring] = PREC_primary; | |
| 101 precedence[TOKarrayliteral] = PREC_primary; | |
| 102 precedence[TOKtypedot] = PREC_primary; | |
| 103 precedence[TOKtypeid] = PREC_primary; | |
| 104 precedence[TOKis] = PREC_primary; | |
| 105 precedence[TOKassert] = PREC_primary; | |
| 106 precedence[TOKfunction] = PREC_primary; | |
| 107 precedence[TOKvar] = PREC_primary; | |
| 336 | 108 #if DMDV2 |
| 109 precedence[TOKdefault] = PREC_primary; | |
| 110 #endif | |
| 159 | 111 |
| 112 // post | |
| 113 precedence[TOKdotti] = PREC_primary; | |
| 114 precedence[TOKdot] = PREC_primary; | |
| 115 // precedence[TOKarrow] = PREC_primary; | |
| 116 precedence[TOKplusplus] = PREC_primary; | |
| 117 precedence[TOKminusminus] = PREC_primary; | |
| 118 precedence[TOKcall] = PREC_primary; | |
| 119 precedence[TOKslice] = PREC_primary; | |
| 120 precedence[TOKarray] = PREC_primary; | |
| 121 | |
| 122 precedence[TOKaddress] = PREC_unary; | |
| 123 precedence[TOKstar] = PREC_unary; | |
| 124 precedence[TOKneg] = PREC_unary; | |
| 125 precedence[TOKuadd] = PREC_unary; | |
| 126 precedence[TOKnot] = PREC_unary; | |
| 127 precedence[TOKtobool] = PREC_add; | |
| 128 precedence[TOKtilde] = PREC_unary; | |
| 129 precedence[TOKdelete] = PREC_unary; | |
| 130 precedence[TOKnew] = PREC_unary; | |
| 131 precedence[TOKcast] = PREC_unary; | |
| 132 | |
| 133 precedence[TOKmul] = PREC_mul; | |
| 134 precedence[TOKdiv] = PREC_mul; | |
| 135 precedence[TOKmod] = PREC_mul; | |
| 136 | |
| 137 precedence[TOKadd] = PREC_add; | |
| 138 precedence[TOKmin] = PREC_add; | |
| 139 precedence[TOKcat] = PREC_add; | |
| 140 | |
| 141 precedence[TOKshl] = PREC_shift; | |
| 142 precedence[TOKshr] = PREC_shift; | |
| 143 precedence[TOKushr] = PREC_shift; | |
| 144 | |
| 145 precedence[TOKlt] = PREC_rel; | |
| 146 precedence[TOKle] = PREC_rel; | |
| 147 precedence[TOKgt] = PREC_rel; | |
| 148 precedence[TOKge] = PREC_rel; | |
| 149 precedence[TOKunord] = PREC_rel; | |
| 150 precedence[TOKlg] = PREC_rel; | |
| 151 precedence[TOKleg] = PREC_rel; | |
| 152 precedence[TOKule] = PREC_rel; | |
| 153 precedence[TOKul] = PREC_rel; | |
| 154 precedence[TOKuge] = PREC_rel; | |
| 155 precedence[TOKug] = PREC_rel; | |
| 156 precedence[TOKue] = PREC_rel; | |
| 157 precedence[TOKin] = PREC_rel; | |
| 158 | |
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159 #if 0 |
| 159 | 160 precedence[TOKequal] = PREC_equal; |
| 161 precedence[TOKnotequal] = PREC_equal; | |
| 162 precedence[TOKidentity] = PREC_equal; | |
| 163 precedence[TOKnotidentity] = PREC_equal; | |
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164 #else |
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165 /* Note that we changed precedence, so that < and != have the same |
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166 * precedence. This change is in the parser, too. |
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167 */ |
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168 precedence[TOKequal] = PREC_rel; |
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169 precedence[TOKnotequal] = PREC_rel; |
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170 precedence[TOKidentity] = PREC_rel; |
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171 precedence[TOKnotidentity] = PREC_rel; |
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172 #endif |
| 159 | 173 |
| 174 precedence[TOKand] = PREC_and; | |
| 175 | |
| 176 precedence[TOKxor] = PREC_xor; | |
| 177 | |
| 178 precedence[TOKor] = PREC_or; | |
| 179 | |
| 180 precedence[TOKandand] = PREC_andand; | |
| 181 | |
| 182 precedence[TOKoror] = PREC_oror; | |
| 183 | |
| 184 precedence[TOKquestion] = PREC_cond; | |
| 185 | |
| 186 precedence[TOKassign] = PREC_assign; | |
| 187 precedence[TOKconstruct] = PREC_assign; | |
| 188 precedence[TOKblit] = PREC_assign; | |
| 189 precedence[TOKaddass] = PREC_assign; | |
| 190 precedence[TOKminass] = PREC_assign; | |
| 191 precedence[TOKcatass] = PREC_assign; | |
| 192 precedence[TOKmulass] = PREC_assign; | |
| 193 precedence[TOKdivass] = PREC_assign; | |
| 194 precedence[TOKmodass] = PREC_assign; | |
| 195 precedence[TOKshlass] = PREC_assign; | |
| 196 precedence[TOKshrass] = PREC_assign; | |
| 197 precedence[TOKushrass] = PREC_assign; | |
| 198 precedence[TOKandass] = PREC_assign; | |
| 199 precedence[TOKorass] = PREC_assign; | |
| 200 precedence[TOKxorass] = PREC_assign; | |
| 201 | |
| 202 precedence[TOKcomma] = PREC_expr; | |
| 203 } | |
| 204 | |
| 336 | 205 /************************************************************* |
| 206 * Given var, we need to get the | |
| 207 * right 'this' pointer if var is in an outer class, but our | |
| 208 * existing 'this' pointer is in an inner class. | |
| 209 * Input: | |
| 210 * e1 existing 'this' | |
| 211 * ad struct or class we need the correct 'this' for | |
| 212 * var the specific member of ad we're accessing | |
| 213 */ | |
| 214 | |
| 215 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 216 Expression *e1, Declaration *var) | |
| 217 { | |
| 218 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 219 L1: | |
| 220 Type *t = e1->type->toBasetype(); | |
| 221 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 222 | |
| 223 /* If e1 is not the 'this' pointer for ad | |
| 224 */ | |
| 225 if (ad && | |
| 226 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 227 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 228 && | |
| 229 !(t->ty == Tstruct && | |
| 230 ((TypeStruct *)t)->sym == ad) | |
| 231 ) | |
| 232 { | |
| 233 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 234 ClassDeclaration *tcd = t->isClassHandle(); | |
| 235 | |
| 236 /* e1 is the right this if ad is a base class of e1 | |
| 237 */ | |
| 238 if (!cd || !tcd || | |
| 239 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 240 ) | |
| 241 { | |
| 242 /* Only classes can be inner classes with an 'outer' | |
| 243 * member pointing to the enclosing class instance | |
| 244 */ | |
| 245 if (tcd && tcd->isNested()) | |
| 246 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 247 * Rewrite it as the 'this' pointer for the outer class. | |
| 248 */ | |
| 249 | |
| 250 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 251 e1->type = tcd->vthis->type; | |
| 252 // Do not call checkNestedRef() | |
| 253 //e1 = e1->semantic(sc); | |
| 254 | |
| 255 // Skip up over nested functions, and get the enclosing | |
| 256 // class type. | |
| 257 int n = 0; | |
| 258 Dsymbol *s; | |
| 259 for (s = tcd->toParent(); | |
| 260 s && s->isFuncDeclaration(); | |
| 261 s = s->toParent()) | |
| 262 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 263 if (f->vthis) | |
| 264 { | |
| 265 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 266 n++; | |
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267 |
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268 // LDC seems dmd misses it sometimes here :/ |
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269 f->vthis->nestedref = 1; |
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270 |
| 336 | 271 e1 = new VarExp(loc, f->vthis); |
| 272 } | |
| 273 } | |
| 274 if (s && s->isClassDeclaration()) | |
| 275 { e1->type = s->isClassDeclaration()->type; | |
| 276 if (n > 1) | |
| 277 e1 = e1->semantic(sc); | |
| 278 } | |
| 279 else | |
| 280 e1 = e1->semantic(sc); | |
| 281 goto L1; | |
| 282 } | |
| 283 /* Can't find a path from e1 to ad | |
| 284 */ | |
| 285 e1->error("this for %s needs to be type %s not type %s", | |
| 286 var->toChars(), ad->toChars(), t->toChars()); | |
| 287 } | |
| 288 } | |
| 289 return e1; | |
| 290 } | |
| 291 | |
| 159 | 292 /***************************************** |
| 293 * Determine if 'this' is available. | |
| 294 * If it is, return the FuncDeclaration that has it. | |
| 295 */ | |
| 296 | |
| 297 FuncDeclaration *hasThis(Scope *sc) | |
| 298 { FuncDeclaration *fd; | |
| 299 FuncDeclaration *fdthis; | |
| 300 | |
| 301 //printf("hasThis()\n"); | |
| 302 fdthis = sc->parent->isFuncDeclaration(); | |
| 303 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 304 | |
| 305 // Go upwards until we find the enclosing member function | |
| 306 fd = fdthis; | |
| 307 while (1) | |
| 308 { | |
| 309 if (!fd) | |
| 310 { | |
| 311 goto Lno; | |
| 312 } | |
| 313 if (!fd->isNested()) | |
| 314 break; | |
| 315 | |
| 316 Dsymbol *parent = fd->parent; | |
| 317 while (parent) | |
| 318 { | |
| 319 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 320 if (ti) | |
| 321 parent = ti->parent; | |
| 322 else | |
| 323 break; | |
| 324 } | |
| 325 | |
| 326 fd = fd->parent->isFuncDeclaration(); | |
| 327 } | |
| 328 | |
| 329 if (!fd->isThis()) | |
| 330 { //printf("test '%s'\n", fd->toChars()); | |
| 331 goto Lno; | |
| 332 } | |
| 333 | |
| 334 assert(fd->vthis); | |
| 335 return fd; | |
| 336 | |
| 337 Lno: | |
| 338 return NULL; // don't have 'this' available | |
| 339 } | |
| 340 | |
| 341 | |
| 342 /*************************************** | |
| 343 * Pull out any properties. | |
| 344 */ | |
| 345 | |
| 346 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 347 { | |
| 348 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 349 if (e->type) | |
| 350 { | |
| 351 Type *t = e->type->toBasetype(); | |
| 352 | |
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353 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 354 { |
| 355 e = new CallExp(e->loc, e); | |
| 356 e = e->semantic(sc); | |
| 357 } | |
| 358 | |
| 359 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 360 */ | |
| 361 else if (e->op == TOKvar) | |
| 362 { VarExp *ve = (VarExp *)e; | |
| 363 | |
| 364 if (ve->var->storage_class & STClazy) | |
| 365 { | |
| 366 e = new CallExp(e->loc, e); | |
| 367 e = e->semantic(sc); | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 else if (e->op == TOKdotexp) | |
| 372 { | |
| 373 e->error("expression has no value"); | |
| 374 } | |
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375 |
| 159 | 376 } |
| 377 return e; | |
| 378 } | |
| 379 | |
| 380 /****************************** | |
| 381 * Perform semantic() on an array of Expressions. | |
| 382 */ | |
| 383 | |
| 384 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 385 { | |
| 386 if (exps) | |
| 387 { | |
| 388 for (size_t i = 0; i < exps->dim; i++) | |
| 389 { Expression *e = (Expression *)exps->data[i]; | |
| 390 | |
| 391 e = e->semantic(sc); | |
| 392 exps->data[i] = (void *)e; | |
| 393 } | |
| 394 } | |
| 395 } | |
| 396 | |
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397 |
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398 /****************************** |
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399 * Perform canThrow() on an array of Expressions. |
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400 */ |
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401 |
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402 #if DMDV2 |
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403 int arrayExpressionCanThrow(Expressions *exps) |
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404 { |
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405 if (exps) |
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406 { |
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407 for (size_t i = 0; i < exps->dim; i++) |
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408 { Expression *e = (Expression *)exps->data[i]; |
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409 if (e && e->canThrow()) |
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410 return 1; |
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411 } |
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412 } |
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413 return 0; |
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414 } |
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415 #endif |
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|
416 |
| 159 | 417 /**************************************** |
| 418 * Expand tuples. | |
| 419 */ | |
| 420 | |
| 421 void expandTuples(Expressions *exps) | |
| 422 { | |
| 423 //printf("expandTuples()\n"); | |
| 424 if (exps) | |
| 425 { | |
| 426 for (size_t i = 0; i < exps->dim; i++) | |
| 427 { Expression *arg = (Expression *)exps->data[i]; | |
| 428 if (!arg) | |
| 429 continue; | |
| 430 | |
| 431 // Look for tuple with 0 members | |
| 432 if (arg->op == TOKtype) | |
| 433 { TypeExp *e = (TypeExp *)arg; | |
| 434 if (e->type->toBasetype()->ty == Ttuple) | |
| 435 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 436 | |
| 437 if (!tt->arguments || tt->arguments->dim == 0) | |
| 438 { | |
| 439 exps->remove(i); | |
| 440 if (i == exps->dim) | |
| 441 return; | |
| 442 i--; | |
| 443 continue; | |
| 444 } | |
| 445 } | |
| 446 } | |
| 447 | |
| 448 // Inline expand all the tuples | |
| 449 while (arg->op == TOKtuple) | |
| 450 { TupleExp *te = (TupleExp *)arg; | |
| 451 | |
| 452 exps->remove(i); // remove arg | |
| 453 exps->insert(i, te->exps); // replace with tuple contents | |
| 454 if (i == exps->dim) | |
| 455 return; // empty tuple, no more arguments | |
| 456 arg = (Expression *)exps->data[i]; | |
| 457 } | |
| 458 } | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 /**************************************** | |
| 463 * Preprocess arguments to function. | |
| 464 */ | |
| 465 | |
| 466 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 467 { | |
| 468 if (exps) | |
| 469 { | |
| 470 expandTuples(exps); | |
| 471 | |
| 472 for (size_t i = 0; i < exps->dim; i++) | |
| 473 { Expression *arg = (Expression *)exps->data[i]; | |
| 474 | |
| 475 if (!arg->type) | |
| 476 { | |
| 477 #ifdef DEBUG | |
| 478 if (!global.gag) | |
| 479 printf("1: \n"); | |
| 480 #endif | |
| 481 arg->error("%s is not an expression", arg->toChars()); | |
| 482 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 483 } | |
| 484 | |
| 485 arg = resolveProperties(sc, arg); | |
| 486 exps->data[i] = (void *) arg; | |
| 487 | |
| 488 //arg->rvalue(); | |
| 489 #if 0 | |
| 490 if (arg->type->ty == Tfunction) | |
| 491 { | |
| 492 arg = new AddrExp(arg->loc, arg); | |
| 493 arg = arg->semantic(sc); | |
| 494 exps->data[i] = (void *) arg; | |
| 495 } | |
| 496 #endif | |
| 497 } | |
| 498 } | |
| 499 } | |
| 500 | |
| 336 | 501 /********************************************* |
| 502 * Call copy constructor for struct value argument. | |
| 503 */ | |
| 504 #if DMDV2 | |
| 505 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 506 { | |
| 507 Type *tb = e->type->toBasetype(); | |
| 508 assert(tb->ty == Tstruct); | |
| 509 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 510 if (sd->cpctor) | |
| 511 { | |
| 512 /* Create a variable tmp, and replace the argument e with: | |
| 513 * (tmp = e),tmp | |
| 514 * and let AssignExp() handle the construction. | |
| 515 * This is not the most efficent, ideally tmp would be constructed | |
| 516 * directly onto the stack. | |
| 517 */ | |
| 518 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 519 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 520 Expression *ae = new DeclarationExp(loc, tmp); | |
| 521 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 522 e = e->semantic(sc); | |
| 523 } | |
| 524 return e; | |
| 525 } | |
| 526 #endif | |
| 159 | 527 |
| 528 /**************************************** | |
| 529 * Now that we know the exact type of the function we're calling, | |
| 530 * the arguments[] need to be adjusted: | |
|
510
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531 * 1. implicitly convert argument to the corresponding parameter type |
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532 * 2. add default arguments for any missing arguments |
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533 * 3. do default promotions on arguments corresponding to ... |
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534 * 4. add hidden _arguments[] argument |
| 159 | 535 */ |
| 536 | |
| 537 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 538 { | |
| 539 unsigned n; | |
| 540 | |
| 541 //printf("functionArguments()\n"); | |
| 542 assert(arguments); | |
| 543 size_t nargs = arguments ? arguments->dim : 0; | |
| 544 size_t nparams = Argument::dim(tf->parameters); | |
| 545 | |
| 546 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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547 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 548 |
| 549 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 550 | |
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551 int done = 0; |
| 159 | 552 for (size_t i = 0; i < n; i++) |
| 553 { | |
| 554 Expression *arg; | |
| 555 | |
| 556 if (i < nargs) | |
| 557 arg = (Expression *)arguments->data[i]; | |
| 558 else | |
| 559 arg = NULL; | |
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560 Type *tb; |
| 159 | 561 |
| 562 if (i < nparams) | |
| 563 { | |
| 564 Argument *p = Argument::getNth(tf->parameters, i); | |
| 565 | |
| 566 if (!arg) | |
| 567 { | |
| 568 if (!p->defaultArg) | |
| 569 { | |
| 570 if (tf->varargs == 2 && i + 1 == nparams) | |
| 571 goto L2; | |
|
1103
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- Updated to DMD frontend 1.041.
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572 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 573 break; |
| 574 } | |
| 336 | 575 arg = p->defaultArg; |
| 576 #if DMDV2 | |
| 577 if (arg->op == TOKdefault) | |
| 578 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 579 arg = de->resolve(loc, sc); | |
| 580 } | |
| 581 else | |
| 582 #endif | |
| 583 arg = arg->copy(); | |
| 159 | 584 arguments->push(arg); |
| 585 nargs++; | |
| 586 } | |
| 587 | |
| 588 if (tf->varargs == 2 && i + 1 == nparams) | |
| 589 { | |
| 590 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 591 if (arg->implicitConvTo(p->type)) | |
| 592 { | |
| 593 if (nargs != nparams) | |
|
1103
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- Updated to DMD frontend 1.041.
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594 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 595 goto L1; |
| 596 } | |
| 597 L2: | |
| 598 Type *tb = p->type->toBasetype(); | |
| 599 Type *tret = p->isLazyArray(); | |
| 600 switch (tb->ty) | |
| 601 { | |
| 602 case Tsarray: | |
| 603 case Tarray: | |
| 604 { // Create a static array variable v of type arg->type | |
| 605 #ifdef IN_GCC | |
| 606 /* GCC 4.0 does not like zero length arrays used like | |
| 607 this; pass a null array value instead. Could also | |
| 608 just make a one-element array. */ | |
| 609 if (nargs - i == 0) | |
| 610 { | |
| 611 arg = new NullExp(loc); | |
| 612 break; | |
| 613 } | |
| 614 #endif | |
|
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615 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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616 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 617 t = t->semantic(loc, sc); |
| 618 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 619 v->semantic(sc); | |
| 620 v->parent = sc->parent; | |
| 621 //sc->insert(v); | |
| 622 | |
| 623 Expression *c = new DeclarationExp(0, v); | |
| 624 c->type = v->type; | |
| 625 | |
| 626 for (size_t u = i; u < nargs; u++) | |
| 627 { Expression *a = (Expression *)arguments->data[u]; | |
|
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628 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 629 a = a->toDelegate(sc, tret); |
| 630 | |
| 631 Expression *e = new VarExp(loc, v); | |
| 632 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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633 AssignExp *ae = new AssignExp(loc, e, a); |
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634 #if DMDV2 |
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635 ae->op = TOKconstruct; |
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636 #endif |
| 159 | 637 if (c) |
|
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diff
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|
638 c = new CommaExp(loc, c, ae); |
| 159 | 639 else |
|
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|
640 c = ae; |
| 159 | 641 } |
| 642 arg = new VarExp(loc, v); | |
| 643 if (c) | |
| 644 arg = new CommaExp(loc, c, arg); | |
| 645 break; | |
| 646 } | |
| 647 case Tclass: | |
| 648 { /* Set arg to be: | |
| 649 * new Tclass(arg0, arg1, ..., argn) | |
| 650 */ | |
| 651 Expressions *args = new Expressions(); | |
| 652 args->setDim(nargs - i); | |
| 653 for (size_t u = i; u < nargs; u++) | |
| 654 args->data[u - i] = arguments->data[u]; | |
| 655 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 656 break; | |
| 657 } | |
| 658 default: | |
| 659 if (!arg) | |
| 660 { error(loc, "not enough arguments"); | |
| 661 return; | |
| 662 } | |
| 663 break; | |
| 664 } | |
| 665 arg = arg->semantic(sc); | |
| 666 //printf("\targ = '%s'\n", arg->toChars()); | |
| 667 arguments->setDim(i + 1); | |
| 668 done = 1; | |
| 669 } | |
| 670 | |
| 671 L1: | |
| 672 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 673 arg = arg->implicitCastTo(sc, p->type); | |
| 674 if (p->storageClass & (STCout | STCref)) | |
| 675 { | |
| 676 // BUG: should check that argument to ref is type 'invariant' | |
| 677 // BUG: assignments to ref should also be type 'invariant' | |
| 678 arg = arg->modifiableLvalue(sc, arg); | |
| 679 | |
| 680 //if (arg->op == TOKslice) | |
| 681 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 682 } | |
| 683 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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|
684 // LDC we don't want this! |
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Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
685 #if !IN_LLVM |
| 159 | 686 // Convert static arrays to pointers |
| 687 tb = arg->type->toBasetype(); | |
| 688 if (tb->ty == Tsarray) | |
| 689 { | |
| 690 arg = arg->checkToPointer(); | |
| 691 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
692 #endif |
|
875
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693 #if DMDV2 |
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diff
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694 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
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|
695 { |
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696 arg = callCpCtor(loc, sc, arg); |
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697 } |
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698 #endif |
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diff
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|
699 |
| 159 | 700 // Convert lazy argument to a delegate |
| 701 if (p->storageClass & STClazy) | |
| 702 { | |
| 703 arg = arg->toDelegate(sc, p->type); | |
| 704 } | |
|
875
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Merged DMD 1.038
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diff
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|
705 #if DMDV2 |
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diff
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|
706 /* Look for arguments that cannot 'escape' from the called |
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Merged DMD 1.038
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diff
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|
707 * function. |
|
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|
708 */ |
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diff
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|
709 if (!tf->parameterEscapes(p)) |
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330f999ade44
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diff
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|
710 { |
|
330f999ade44
Merged DMD 1.038
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diff
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|
711 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
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diff
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|
712 * appearance was scoped, there cannot be any others. |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
713 */ |
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diff
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|
714 if (arg->op == TOKfunction) |
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diff
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|
715 { FuncExp *fe = (FuncExp *)arg; |
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330f999ade44
Merged DMD 1.038
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diff
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|
716 fe->fd->tookAddressOf = 0; |
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diff
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|
717 } |
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diff
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|
718 |
|
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diff
changeset
|
719 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
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parents:
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diff
changeset
|
720 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
721 * We only worry about 'escaping' references to the function. |
|
330f999ade44
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parents:
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diff
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|
722 */ |
|
330f999ade44
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diff
changeset
|
723 else if (arg->op == TOKdelegate) |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
724 { DelegateExp *de = (DelegateExp *)arg; |
|
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Merged DMD 1.038
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parents:
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diff
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|
725 if (de->e1->op == TOKvar) |
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726 { VarExp *ve = (VarExp *)de->e1; |
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727 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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728 if (f) |
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729 { f->tookAddressOf--; |
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730 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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731 } |
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732 } |
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733 } |
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734 } |
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735 #endif |
| 159 | 736 } |
| 737 else | |
| 738 { | |
| 739 | |
| 740 // If not D linkage, do promotions | |
|
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741 // LDC: don't do promotions on intrinsics |
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742 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 743 { |
| 744 // Promote bytes, words, etc., to ints | |
| 745 arg = arg->integralPromotions(sc); | |
| 746 | |
| 747 // Promote floats to doubles | |
| 748 switch (arg->type->ty) | |
| 749 { | |
| 750 case Tfloat32: | |
| 751 arg = arg->castTo(sc, Type::tfloat64); | |
| 752 break; | |
| 753 | |
| 754 case Timaginary32: | |
| 755 arg = arg->castTo(sc, Type::timaginary64); | |
| 756 break; | |
| 757 } | |
| 758 } | |
| 759 | |
| 760 // Convert static arrays to dynamic arrays | |
| 761 tb = arg->type->toBasetype(); | |
| 762 if (tb->ty == Tsarray) | |
| 763 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 764 Type *ta = ts->next->arrayOf(); |
| 159 | 765 if (ts->size(arg->loc) == 0) |
| 766 { arg = new NullExp(arg->loc); | |
| 767 arg->type = ta; | |
| 768 } | |
| 769 else | |
| 770 arg = arg->castTo(sc, ta); | |
| 771 } | |
| 336 | 772 #if DMDV2 |
| 773 if (tb->ty == Tstruct) | |
| 774 { | |
| 775 arg = callCpCtor(loc, sc, arg); | |
| 776 } | |
| 777 | |
| 778 // Give error for overloaded function addresses | |
| 779 if (arg->op == TOKsymoff) | |
| 780 { SymOffExp *se = (SymOffExp *)arg; | |
| 781 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 782 arg->error("function %s is overloaded", arg->toChars()); | |
| 783 } | |
| 784 #endif | |
| 159 | 785 arg->rvalue(); |
| 786 } | |
| 787 arg = arg->optimize(WANTvalue); | |
| 788 arguments->data[i] = (void *) arg; | |
| 789 if (done) | |
| 790 break; | |
| 791 } | |
| 792 | |
| 793 #if !IN_LLVM | |
| 794 // If D linkage and variadic, add _arguments[] as first argument | |
| 795 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 796 { | |
| 797 Expression *e; | |
| 798 | |
| 799 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 800 arguments->dim - nparams); | |
| 801 arguments->insert(0, e); | |
| 802 } | |
| 803 #endif | |
| 804 } | |
| 805 | |
| 806 /************************************************** | |
| 807 * Write expression out to buf, but wrap it | |
| 808 * in ( ) if its precedence is less than pr. | |
| 809 */ | |
| 810 | |
| 811 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 812 { | |
| 336 | 813 //if (precedence[e->op] == 0) e->dump(0); |
|
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814 if (precedence[e->op] < pr || |
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815 /* Despite precedence, we don't allow a<b<c expressions. |
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816 * They must be parenthesized. |
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817 */ |
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818 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 819 { |
| 820 buf->writeByte('('); | |
| 821 e->toCBuffer(buf, hgs); | |
| 822 buf->writeByte(')'); | |
| 823 } | |
| 824 else | |
| 825 e->toCBuffer(buf, hgs); | |
| 826 } | |
| 827 | |
| 828 /************************************************** | |
| 829 * Write out argument list to buf. | |
| 830 */ | |
| 831 | |
| 832 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 833 { | |
| 834 if (arguments) | |
| 835 { | |
| 836 for (size_t i = 0; i < arguments->dim; i++) | |
| 837 { Expression *arg = (Expression *)arguments->data[i]; | |
| 838 | |
| 839 if (arg) | |
| 840 { if (i) | |
| 841 buf->writeByte(','); | |
| 842 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 843 } | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 /************************************************** | |
| 849 * Write out argument types to buf. | |
| 850 */ | |
| 851 | |
| 852 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 853 { | |
| 854 if (arguments) | |
| 855 { OutBuffer argbuf; | |
| 856 | |
| 857 for (size_t i = 0; i < arguments->dim; i++) | |
| 858 { Expression *arg = (Expression *)arguments->data[i]; | |
| 859 | |
| 860 if (i) | |
| 861 buf->writeByte(','); | |
| 862 argbuf.reset(); | |
| 863 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 864 buf->write(&argbuf); | |
| 865 } | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 /******************************** Expression **************************/ | |
| 870 | |
| 871 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 872 : loc(loc) | |
| 873 { | |
|
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874 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 875 this->loc = loc; |
| 876 this->op = op; | |
| 877 this->size = size; | |
| 878 type = NULL; | |
|
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879 |
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880 #if IN_LLVM |
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881 cachedLvalue = NULL; |
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882 #endif |
| 159 | 883 } |
| 884 | |
| 885 Expression *Expression::syntaxCopy() | |
| 886 { | |
| 887 //printf("Expression::syntaxCopy()\n"); | |
| 888 //dump(0); | |
| 889 return copy(); | |
| 890 } | |
| 891 | |
| 892 /********************************* | |
| 893 * Does *not* do a deep copy. | |
| 894 */ | |
| 895 | |
| 896 Expression *Expression::copy() | |
| 897 { | |
| 898 Expression *e; | |
| 899 if (!size) | |
| 900 { | |
| 901 #ifdef DEBUG | |
| 902 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 903 printf("op = %d\n", op); | |
| 904 dump(0); | |
| 905 #endif | |
| 906 assert(0); | |
| 907 } | |
| 908 e = (Expression *)mem.malloc(size); | |
|
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909 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 910 return (Expression *)memcpy(e, this, size); |
| 911 } | |
| 912 | |
| 913 /************************** | |
| 914 * Semantically analyze Expression. | |
| 915 * Determine types, fold constants, etc. | |
| 916 */ | |
| 917 | |
| 918 Expression *Expression::semantic(Scope *sc) | |
| 919 { | |
| 920 #if LOGSEMANTIC | |
| 336 | 921 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 922 #endif |
| 923 if (type) | |
| 924 type = type->semantic(loc, sc); | |
| 925 else | |
| 926 type = Type::tvoid; | |
| 927 return this; | |
| 928 } | |
| 929 | |
| 930 void Expression::print() | |
| 931 { | |
| 932 fprintf(stdmsg, "%s\n", toChars()); | |
| 933 fflush(stdmsg); | |
| 934 } | |
| 935 | |
| 936 char *Expression::toChars() | |
| 937 { OutBuffer *buf; | |
| 938 HdrGenState hgs; | |
| 939 | |
| 940 memset(&hgs, 0, sizeof(hgs)); | |
| 941 buf = new OutBuffer(); | |
| 942 toCBuffer(buf, &hgs); | |
| 943 return buf->toChars(); | |
| 944 } | |
| 945 | |
| 946 void Expression::error(const char *format, ...) | |
| 947 { | |
| 948 va_list ap; | |
| 949 va_start(ap, format); | |
| 950 ::verror(loc, format, ap); | |
| 951 va_end( ap ); | |
| 952 } | |
| 953 | |
|
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954 void Expression::warning(const char *format, ...) |
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955 { |
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956 if (global.params.warnings && !global.gag) |
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957 { |
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958 va_list ap; |
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959 va_start(ap, format); |
|
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960 ::vwarning(loc, format, ap); |
|
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961 va_end( ap ); |
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962 } |
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963 } |
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964 |
| 159 | 965 void Expression::rvalue() |
| 966 { | |
| 967 if (type && type->toBasetype()->ty == Tvoid) | |
| 968 { error("expression %s is void and has no value", toChars()); | |
| 969 #if 0 | |
| 970 dump(0); | |
| 971 halt(); | |
| 972 #endif | |
| 336 | 973 type = Type::tint32; |
| 159 | 974 } |
| 975 } | |
| 976 | |
| 977 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 978 { | |
| 979 if (e1) | |
| 980 { | |
| 981 if (e2) | |
| 982 { | |
| 983 e1 = new CommaExp(e1->loc, e1, e2); | |
| 984 e1->type = e2->type; | |
| 985 } | |
| 986 } | |
| 987 else | |
| 988 e1 = e2; | |
| 989 return e1; | |
| 990 } | |
| 991 | |
|
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992 dinteger_t Expression::toInteger() |
| 159 | 993 { |
| 994 //printf("Expression %s\n", Token::toChars(op)); | |
| 995 error("Integer constant expression expected instead of %s", toChars()); | |
| 996 return 0; | |
| 997 } | |
| 998 | |
| 999 uinteger_t Expression::toUInteger() | |
| 1000 { | |
| 1001 //printf("Expression %s\n", Token::toChars(op)); | |
| 1002 return (uinteger_t)toInteger(); | |
| 1003 } | |
| 1004 | |
| 1005 real_t Expression::toReal() | |
| 1006 { | |
| 1007 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1008 return 0; | |
| 1009 } | |
| 1010 | |
| 1011 real_t Expression::toImaginary() | |
| 1012 { | |
| 1013 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1014 return 0; | |
| 1015 } | |
| 1016 | |
| 1017 complex_t Expression::toComplex() | |
| 1018 { | |
| 1019 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1020 #ifdef IN_GCC | |
| 1021 return complex_t(real_t(0)); // %% nicer | |
| 1022 #else | |
| 1023 return 0; | |
| 1024 #endif | |
| 1025 } | |
| 1026 | |
| 1027 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1028 { | |
| 1029 buf->writestring(Token::toChars(op)); | |
| 1030 } | |
| 1031 | |
| 1032 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1033 { | |
| 1034 error("expression %s is not a valid template value argument", toChars()); | |
| 1035 } | |
| 1036 | |
|
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1037 /*************************************** |
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1038 * Return !=0 if expression is an lvalue. |
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1039 */ |
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1040 #if DMDV2 |
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1041 int Expression::isLvalue() |
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1042 { |
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1043 return 0; |
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1044 } |
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1045 #endif |
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1046 |
| 159 | 1047 /******************************* |
| 1048 * Give error if we're not an lvalue. | |
| 1049 * If we can, convert expression to be an lvalue. | |
| 1050 */ | |
| 1051 | |
| 1052 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1053 { | |
| 1054 if (!e) | |
| 1055 e = this; | |
| 1056 else if (!loc.filename) | |
| 1057 loc = e->loc; | |
| 1058 error("%s is not an lvalue", e->toChars()); | |
| 1059 return this; | |
| 1060 } | |
| 1061 | |
| 1062 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1063 { | |
|
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1064 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1065 |
| 159 | 1066 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1067 #if DMDV2 |
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1068 if (type && (!type->isMutable() || !type->isAssignable())) |
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1069 error("%s is not mutable", e->toChars()); |
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1070 #endif |
| 159 | 1071 return toLvalue(sc, e); |
| 1072 } | |
| 1073 | |
| 1074 /************************************ | |
| 1075 * Detect cases where pointers to the stack can 'escape' the | |
| 1076 * lifetime of the stack frame. | |
| 1077 */ | |
| 1078 | |
| 1079 void Expression::checkEscape() | |
| 1080 { | |
| 1081 } | |
| 1082 | |
| 1083 void Expression::checkScalar() | |
| 1084 { | |
| 1085 if (!type->isscalar()) | |
| 1086 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1087 } | |
| 1088 | |
| 1089 void Expression::checkNoBool() | |
| 1090 { | |
| 1091 if (type->toBasetype()->ty == Tbool) | |
| 1092 error("operation not allowed on bool '%s'", toChars()); | |
| 1093 } | |
| 1094 | |
| 1095 Expression *Expression::checkIntegral() | |
| 1096 { | |
| 1097 if (!type->isintegral()) | |
| 1098 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1099 return new IntegerExp(0); | |
| 1100 } | |
| 1101 return this; | |
| 1102 } | |
| 1103 | |
| 1104 Expression *Expression::checkArithmetic() | |
| 1105 { | |
| 1106 if (!type->isintegral() && !type->isfloating()) | |
| 1107 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1108 return new IntegerExp(0); | |
| 1109 } | |
| 1110 return this; | |
| 1111 } | |
| 1112 | |
| 1113 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1114 { | |
| 1115 s->checkDeprecated(loc, sc); | |
| 1116 } | |
| 1117 | |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1118 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
1119 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
1120 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
1121 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
1122 error("pure function '%s' cannot call impure function '%s'\n", |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
1123 sc->func->toChars(), f->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1124 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1125 #endif |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1126 |
| 159 | 1127 /******************************** |
| 1128 * Check for expressions that have no use. | |
| 1129 * Input: | |
| 1130 * flag 0 not going to use the result, so issue error message if no | |
| 1131 * side effects | |
| 1132 * 1 the result of the expression is used, but still check | |
| 1133 * for useless subexpressions | |
| 1134 * 2 do not issue error messages, just return !=0 if expression | |
| 1135 * has side effects | |
| 1136 */ | |
| 1137 | |
| 1138 int Expression::checkSideEffect(int flag) | |
| 1139 { | |
| 1140 if (flag == 0) | |
| 1141 { if (op == TOKimport) | |
| 1142 { | |
| 1143 error("%s has no effect", toChars()); | |
| 1144 } | |
| 1145 else | |
| 1146 error("%s has no effect in expression (%s)", | |
| 1147 Token::toChars(op), toChars()); | |
| 1148 } | |
| 1149 return 0; | |
| 1150 } | |
| 1151 | |
| 1152 /***************************** | |
| 1153 * Check that expression can be tested for true or false. | |
| 1154 */ | |
| 1155 | |
| 1156 Expression *Expression::checkToBoolean() | |
| 1157 { | |
| 1158 // Default is 'yes' - do nothing | |
| 1159 | |
| 1160 #ifdef DEBUG | |
| 1161 if (!type) | |
| 1162 dump(0); | |
| 1163 #endif | |
| 1164 | |
| 1165 if (!type->checkBoolean()) | |
| 1166 { | |
| 1167 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1168 } | |
| 1169 return this; | |
| 1170 } | |
| 1171 | |
| 1172 /**************************** | |
| 1173 */ | |
| 1174 | |
| 1175 Expression *Expression::checkToPointer() | |
| 1176 { | |
| 1177 Expression *e; | |
| 1178 Type *tb; | |
| 1179 | |
| 1180 //printf("Expression::checkToPointer()\n"); | |
| 1181 e = this; | |
| 1182 | |
| 1183 // If C static array, convert to pointer | |
| 1184 tb = type->toBasetype(); | |
| 1185 if (tb->ty == Tsarray) | |
| 1186 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1187 if (ts->size(loc) == 0) | |
| 1188 e = new NullExp(loc); | |
| 1189 else | |
| 1190 e = new AddrExp(loc, this); | |
| 336 | 1191 e->type = ts->next->pointerTo(); |
| 159 | 1192 } |
| 1193 return e; | |
| 1194 } | |
| 1195 | |
| 1196 /****************************** | |
| 1197 * Take address of expression. | |
| 1198 */ | |
| 1199 | |
| 1200 Expression *Expression::addressOf(Scope *sc) | |
| 1201 { | |
| 1202 Expression *e; | |
| 1203 | |
| 1204 //printf("Expression::addressOf()\n"); | |
| 1205 e = toLvalue(sc, NULL); | |
| 1206 e = new AddrExp(loc, e); | |
| 1207 e->type = type->pointerTo(); | |
| 1208 return e; | |
| 1209 } | |
| 1210 | |
| 1211 /****************************** | |
| 1212 * If this is a reference, dereference it. | |
| 1213 */ | |
| 1214 | |
| 1215 Expression *Expression::deref() | |
| 1216 { | |
| 1217 //printf("Expression::deref()\n"); | |
| 1218 if (type->ty == Treference) | |
| 1219 { Expression *e; | |
| 1220 | |
| 1221 e = new PtrExp(loc, this); | |
| 336 | 1222 e->type = ((TypeReference *)type)->next; |
| 159 | 1223 return e; |
| 1224 } | |
| 1225 return this; | |
| 1226 } | |
| 1227 | |
| 1228 /******************************** | |
| 1229 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1230 */ | |
| 1231 | |
| 1232 int Expression::isBool(int result) | |
| 1233 { | |
| 1234 return FALSE; | |
| 1235 } | |
| 1236 | |
| 1237 /******************************** | |
| 1238 * Does this expression result in either a 1 or a 0? | |
| 1239 */ | |
| 1240 | |
| 1241 int Expression::isBit() | |
| 1242 { | |
| 1243 return FALSE; | |
| 1244 } | |
| 1245 | |
| 336 | 1246 /******************************** |
| 1247 * Can this expression throw an exception? | |
| 1248 * Valid only after semantic() pass. | |
| 1249 */ | |
| 1250 | |
| 1251 int Expression::canThrow() | |
| 1252 { | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
1253 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1254 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1255 #else |
| 336 | 1256 return TRUE; |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
1257 #endif |
| 336 | 1258 } |
| 1259 | |
| 1260 | |
| 1261 | |
| 159 | 1262 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1263 { Expressions *a = NULL; | |
| 1264 | |
| 1265 if (exps) | |
| 1266 { | |
| 1267 a = new Expressions(); | |
| 1268 a->setDim(exps->dim); | |
| 1269 for (int i = 0; i < a->dim; i++) | |
| 1270 { Expression *e = (Expression *)exps->data[i]; | |
| 1271 | |
| 1272 e = e->syntaxCopy(); | |
| 1273 a->data[i] = e; | |
| 1274 } | |
| 1275 } | |
| 1276 return a; | |
| 1277 } | |
| 1278 | |
| 1279 /******************************** IntegerExp **************************/ | |
| 1280 | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
1281 IntegerExp::IntegerExp(Loc loc, dinteger_t value, Type *type) |
| 159 | 1282 : Expression(loc, TOKint64, sizeof(IntegerExp)) |
| 1283 { | |
| 1284 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1285 if (type && !type->isscalar()) | |
| 1286 { | |
| 336 | 1287 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1288 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1289 type = Type::terror; | |
| 1290 } | |
| 1291 this->type = type; | |
| 1292 this->value = value; | |
| 1293 } | |
| 1294 | |
|
1195
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Merged DMD 1.042.
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diff
changeset
|
1295 IntegerExp::IntegerExp(dinteger_t value) |
| 159 | 1296 : Expression(0, TOKint64, sizeof(IntegerExp)) |
| 1297 { | |
| 1298 this->type = Type::tint32; | |
| 1299 this->value = value; | |
| 1300 } | |
| 1301 | |
| 1302 int IntegerExp::equals(Object *o) | |
| 1303 { IntegerExp *ne; | |
| 1304 | |
| 1305 if (this == o || | |
| 1306 (((Expression *)o)->op == TOKint64 && | |
| 1307 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1308 value == ne->value)) | |
| 1309 return 1; | |
| 1310 return 0; | |
| 1311 } | |
| 1312 | |
| 1313 char *IntegerExp::toChars() | |
| 1314 { | |
| 1315 #if 1 | |
| 1316 return Expression::toChars(); | |
| 1317 #else | |
| 1318 static char buffer[sizeof(value) * 3 + 1]; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1319 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1320 sprintf(buffer, "%jd", value); |
| 159 | 1321 return buffer; |
| 1322 #endif | |
| 1323 } | |
| 1324 | |
|
1195
e961851fb8be
Merged DMD 1.042.
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parents:
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diff
changeset
|
1325 dinteger_t IntegerExp::toInteger() |
| 159 | 1326 { Type *t; |
| 1327 | |
| 1328 t = type; | |
| 1329 while (t) | |
| 1330 { | |
| 1331 switch (t->ty) | |
| 1332 { | |
| 1333 case Tbit: | |
| 1334 case Tbool: value = (value != 0); break; | |
| 1335 case Tint8: value = (d_int8) value; break; | |
| 1336 case Tchar: | |
| 1337 case Tuns8: value = (d_uns8) value; break; | |
| 1338 case Tint16: value = (d_int16) value; break; | |
| 1339 case Twchar: | |
| 1340 case Tuns16: value = (d_uns16) value; break; | |
| 1341 case Tint32: value = (d_int32) value; break; | |
| 1342 case Tdchar: | |
| 1343 case Tuns32: value = (d_uns32) value; break; | |
| 1344 case Tint64: value = (d_int64) value; break; | |
| 1345 case Tuns64: value = (d_uns64) value; break; | |
|
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
|
1346 case Tpointer: |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1347 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
|
1348 value = (d_uns32) value; |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1349 else if (PTRSIZE == 8) |
|
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
|
1350 value = (d_uns64) value; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1351 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1352 assert(0); |
|
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
|
1353 break; |
| 159 | 1354 |
| 1355 case Tenum: | |
| 1356 { | |
| 1357 TypeEnum *te = (TypeEnum *)t; | |
| 1358 t = te->sym->memtype; | |
| 1359 continue; | |
| 1360 } | |
| 1361 | |
| 1362 case Ttypedef: | |
| 1363 { | |
| 1364 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1365 t = tt->sym->basetype; | |
| 1366 continue; | |
| 1367 } | |
| 1368 | |
| 1369 default: | |
| 336 | 1370 /* This can happen if errors, such as |
| 1371 * the type is painted on like in fromConstInitializer(). | |
| 1372 */ | |
| 1373 if (!global.errors) | |
| 1374 { type->print(); | |
| 1375 assert(0); | |
| 1376 } | |
| 159 | 1377 break; |
| 1378 } | |
| 1379 break; | |
| 1380 } | |
| 1381 return value; | |
| 1382 } | |
| 1383 | |
| 1384 real_t IntegerExp::toReal() | |
| 1385 { | |
| 1386 Type *t; | |
| 1387 | |
| 1388 toInteger(); | |
| 1389 t = type->toBasetype(); | |
| 1390 if (t->ty == Tuns64) | |
| 1391 return (real_t)(d_uns64)value; | |
| 1392 else | |
| 1393 return (real_t)(d_int64)value; | |
| 1394 } | |
| 1395 | |
| 1396 real_t IntegerExp::toImaginary() | |
| 1397 { | |
| 1398 return (real_t) 0; | |
| 1399 } | |
| 1400 | |
| 1401 complex_t IntegerExp::toComplex() | |
| 1402 { | |
| 1403 return toReal(); | |
| 1404 } | |
| 1405 | |
| 1406 int IntegerExp::isBool(int result) | |
| 1407 { | |
| 1408 return result ? value != 0 : value == 0; | |
| 1409 } | |
| 1410 | |
| 1411 Expression *IntegerExp::semantic(Scope *sc) | |
| 1412 { | |
| 1413 if (!type) | |
| 1414 { | |
| 1415 // Determine what the type of this number is | |
|
1195
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1416 dinteger_t number = value; |
| 159 | 1417 |
| 1418 if (number & 0x8000000000000000LL) | |
| 1419 type = Type::tuns64; | |
| 1420 else if (number & 0xFFFFFFFF80000000LL) | |
| 1421 type = Type::tint64; | |
| 1422 else | |
| 1423 type = Type::tint32; | |
| 1424 } | |
| 1425 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
|
1426 { if (!type->deco) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1427 type = type->semantic(loc, sc); |
| 159 | 1428 } |
| 1429 return this; | |
| 1430 } | |
| 1431 | |
| 1432 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1433 { | |
| 1434 if (!e) | |
| 1435 e = this; | |
| 1436 else if (!loc.filename) | |
| 1437 loc = e->loc; | |
| 1438 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1439 return this; | |
| 1440 } | |
| 1441 | |
| 1442 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1443 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1444 dinteger_t v = toInteger(); |
| 159 | 1445 |
| 1446 if (type) | |
| 1447 { Type *t = type; | |
| 1448 | |
| 1449 L1: | |
| 1450 switch (t->ty) | |
| 1451 { | |
| 1452 case Tenum: | |
| 1453 { TypeEnum *te = (TypeEnum *)t; | |
| 1454 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1455 t = te->sym->memtype; | |
| 1456 goto L1; | |
| 1457 } | |
| 1458 | |
| 1459 case Ttypedef: | |
| 1460 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1461 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1462 t = tt->sym->basetype; | |
| 1463 goto L1; | |
| 1464 } | |
| 1465 | |
| 1466 case Twchar: // BUG: need to cast(wchar) | |
| 1467 case Tdchar: // BUG: need to cast(dchar) | |
| 1468 if ((uinteger_t)v > 0xFF) | |
| 1469 { | |
| 1470 buf->printf("'\\U%08x'", v); | |
| 1471 break; | |
| 1472 } | |
| 1473 case Tchar: | |
| 1474 if (v == '\'') | |
| 1475 buf->writestring("'\\''"); | |
| 1476 else if (isprint(v) && v != '\\') | |
| 1477 buf->printf("'%c'", (int)v); | |
| 1478 else | |
| 1479 buf->printf("'\\x%02x'", (int)v); | |
| 1480 break; | |
| 1481 | |
| 1482 case Tint8: | |
| 1483 buf->writestring("cast(byte)"); | |
| 1484 goto L2; | |
| 1485 | |
| 1486 case Tint16: | |
| 1487 buf->writestring("cast(short)"); | |
| 1488 goto L2; | |
| 1489 | |
| 1490 case Tint32: | |
| 1491 L2: | |
| 1492 buf->printf("%d", (int)v); | |
| 1493 break; | |
| 1494 | |
| 1495 case Tuns8: | |
| 1496 buf->writestring("cast(ubyte)"); | |
| 1497 goto L3; | |
| 1498 | |
| 1499 case Tuns16: | |
| 1500 buf->writestring("cast(ushort)"); | |
| 1501 goto L3; | |
| 1502 | |
| 1503 case Tuns32: | |
| 1504 L3: | |
| 1505 buf->printf("%du", (unsigned)v); | |
| 1506 break; | |
| 1507 | |
| 1508 case Tint64: | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1509 buf->printf("%jdL", v); |
| 159 | 1510 break; |
| 1511 | |
| 1512 case Tuns64: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1513 L4: |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1514 buf->printf("%juLU", v); |
| 159 | 1515 break; |
| 1516 | |
| 1517 case Tbit: | |
| 1518 case Tbool: | |
| 1519 buf->writestring((char *)(v ? "true" : "false")); | |
| 1520 break; | |
| 1521 | |
| 1522 case Tpointer: | |
| 1523 buf->writestring("cast("); | |
| 1524 buf->writestring(t->toChars()); | |
| 1525 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
|
1526 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
|
1527 goto L3; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1528 else if (PTRSIZE == 8) |
|
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
|
1529 goto L4; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1530 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
1531 assert(0); |
| 159 | 1532 |
| 1533 default: | |
| 336 | 1534 /* This can happen if errors, such as |
| 1535 * the type is painted on like in fromConstInitializer(). | |
| 1536 */ | |
| 1537 if (!global.errors) | |
| 1538 { | |
| 159 | 1539 #ifdef DEBUG |
| 336 | 1540 t->print(); |
| 159 | 1541 #endif |
| 336 | 1542 assert(0); |
| 1543 } | |
| 1544 break; | |
| 159 | 1545 } |
| 1546 } | |
| 1547 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1548 buf->printf("0x%jx", v); |
| 159 | 1549 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1550 buf->printf("%jd", v); |
| 159 | 1551 } |
| 1552 | |
| 1553 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1554 { | |
| 1555 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
|
1556 buf->printf("N%jd", -value); |
| 159 | 1557 else |
|
1103
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1558 buf->printf("%jd", value); |
| 159 | 1559 } |
| 1560 | |
| 1561 /******************************** RealExp **************************/ | |
| 1562 | |
| 1563 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1564 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1565 { | |
| 1566 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1567 this->value = value; | |
| 1568 this->type = type; | |
| 1569 } | |
| 1570 | |
| 1571 char *RealExp::toChars() | |
| 1572 { | |
| 1573 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1574 | |
| 1575 #ifdef IN_GCC | |
| 1576 value.format(buffer, sizeof(buffer)); | |
| 1577 if (type->isimaginary()) | |
| 1578 strcat(buffer, "i"); | |
| 1579 #else | |
| 1580 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1581 #endif | |
| 1582 assert(strlen(buffer) < sizeof(buffer)); | |
| 1583 return mem.strdup(buffer); | |
| 1584 } | |
| 1585 | |
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1586 dinteger_t RealExp::toInteger() |
| 159 | 1587 { |
| 1588 #ifdef IN_GCC | |
| 1589 return toReal().toInt(); | |
| 1590 #else | |
| 1591 return (sinteger_t) toReal(); | |
| 1592 #endif | |
| 1593 } | |
| 1594 | |
| 1595 uinteger_t RealExp::toUInteger() | |
| 1596 { | |
| 1597 #ifdef IN_GCC | |
| 1598 return (uinteger_t) toReal().toInt(); | |
| 1599 #else | |
| 1600 return (uinteger_t) toReal(); | |
| 1601 #endif | |
| 1602 } | |
| 1603 | |
| 1604 real_t RealExp::toReal() | |
| 1605 { | |
| 1606 return type->isreal() ? value : 0; | |
| 1607 } | |
| 1608 | |
| 1609 real_t RealExp::toImaginary() | |
| 1610 { | |
| 1611 return type->isreal() ? 0 : value; | |
| 1612 } | |
| 1613 | |
| 1614 complex_t RealExp::toComplex() | |
| 1615 { | |
| 1616 #ifdef __DMC__ | |
| 1617 return toReal() + toImaginary() * I; | |
| 1618 #else | |
| 1619 return complex_t(toReal(), toImaginary()); | |
| 1620 #endif | |
| 1621 } | |
| 1622 | |
| 1623 /******************************** | |
| 1624 * Test to see if two reals are the same. | |
| 1625 * Regard NaN's as equivalent. | |
| 1626 * Regard +0 and -0 as different. | |
| 1627 */ | |
| 1628 | |
| 1629 int RealEquals(real_t x1, real_t x2) | |
| 1630 { | |
|
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1631 #if __APPLE__ |
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1632 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1633 #else |
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1634 return // special case nans |
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1635 (isnan(x1) && isnan(x2)) || |
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1636 #endif |
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1637 // and zero, in order to distinguish +0 from -0 |
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1638 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1639 // otherwise just compare |
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1640 (x1 != 0. && x1 == x2); |
| 159 | 1641 } |
| 1642 | |
| 1643 int RealExp::equals(Object *o) | |
| 1644 { RealExp *ne; | |
| 1645 | |
| 1646 if (this == o || | |
| 1647 (((Expression *)o)->op == TOKfloat64 && | |
| 1648 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1649 RealEquals(value, ne->value) | |
| 1650 ) | |
| 1651 ) | |
| 1652 return 1; | |
| 1653 return 0; | |
| 1654 } | |
| 1655 | |
| 1656 Expression *RealExp::semantic(Scope *sc) | |
| 1657 { | |
| 1658 if (!type) | |
| 1659 type = Type::tfloat64; | |
| 1660 else | |
| 1661 type = type->semantic(loc, sc); | |
| 1662 return this; | |
| 1663 } | |
| 1664 | |
| 1665 int RealExp::isBool(int result) | |
| 1666 { | |
| 1667 #ifdef IN_GCC | |
| 1668 return result ? (! value.isZero()) : (value.isZero()); | |
| 1669 #else | |
| 1670 return result ? (value != 0) | |
| 1671 : (value == 0); | |
| 1672 #endif | |
| 1673 } | |
| 1674 | |
| 1675 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1676 { | |
| 1677 /* In order to get an exact representation, try converting it | |
| 1678 * to decimal then back again. If it matches, use it. | |
| 1679 * If it doesn't, fall back to hex, which is | |
| 1680 * always exact. | |
| 1681 */ | |
| 1682 char buffer[25]; | |
| 1683 sprintf(buffer, "%Lg", value); | |
| 1684 assert(strlen(buffer) < sizeof(buffer)); | |
| 1685 #if _WIN32 && __DMC__ | |
| 1686 char *save = __locale_decpoint; | |
| 1687 __locale_decpoint = "."; | |
| 1688 real_t r = strtold(buffer, NULL); | |
| 1689 __locale_decpoint = save; | |
| 1690 #else | |
| 1691 real_t r = strtold(buffer, NULL); | |
| 1692 #endif | |
| 1693 if (r == value) // if exact duplication | |
| 1694 buf->writestring(buffer); | |
| 1695 else | |
| 1696 buf->printf("%La", value); // ensure exact duplication | |
| 1697 | |
| 1698 if (type) | |
| 1699 { | |
| 1700 Type *t = type->toBasetype(); | |
| 1701 switch (t->ty) | |
| 1702 { | |
| 1703 case Tfloat32: | |
| 1704 case Timaginary32: | |
| 1705 case Tcomplex32: | |
| 1706 buf->writeByte('F'); | |
| 1707 break; | |
| 1708 | |
| 1709 case Tfloat80: | |
| 1710 case Timaginary80: | |
| 1711 case Tcomplex80: | |
| 1712 buf->writeByte('L'); | |
| 1713 break; | |
| 1714 | |
| 1715 default: | |
| 1716 break; | |
| 1717 } | |
| 1718 if (t->isimaginary()) | |
| 1719 buf->writeByte('i'); | |
| 1720 } | |
| 1721 } | |
| 1722 | |
| 1723 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1724 { | |
| 1725 floatToBuffer(buf, type, value); | |
| 1726 } | |
| 1727 | |
| 1728 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1729 { | |
| 1730 /* Rely on %A to get portable mangling. | |
| 1731 * Must munge result to get only identifier characters. | |
| 1732 * | |
| 1733 * Possible values from %A => mangled result | |
| 1734 * NAN => NAN | |
| 1735 * -INF => NINF | |
| 1736 * INF => INF | |
| 1737 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1738 * 0X1.9P+2 => 19P2 | |
| 1739 */ | |
| 1740 | |
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1741 #if __APPLE__ |
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1742 if (__inline_isnan(value)) |
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1743 #else |
| 159 | 1744 if (isnan(value)) |
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1745 #endif |
| 159 | 1746 buf->writestring("NAN"); // no -NAN bugs |
| 1747 else | |
| 1748 { | |
| 1749 char buffer[32]; | |
| 1750 int n = sprintf(buffer, "%LA", value); | |
| 1751 assert(n > 0 && n < sizeof(buffer)); | |
| 1752 for (int i = 0; i < n; i++) | |
| 1753 { char c = buffer[i]; | |
| 1754 | |
| 1755 switch (c) | |
| 1756 { | |
| 1757 case '-': | |
| 1758 buf->writeByte('N'); | |
| 1759 break; | |
| 1760 | |
| 1761 case '+': | |
| 1762 case 'X': | |
| 1763 case '.': | |
| 1764 break; | |
| 1765 | |
| 1766 case '0': | |
| 1767 if (i < 2) | |
| 1768 break; // skip leading 0X | |
| 1769 default: | |
| 1770 buf->writeByte(c); | |
| 1771 break; | |
| 1772 } | |
| 1773 } | |
| 1774 } | |
| 1775 } | |
| 1776 | |
| 1777 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1778 { | |
| 1779 buf->writeByte('e'); | |
| 1780 realToMangleBuffer(buf, value); | |
| 1781 } | |
| 1782 | |
| 1783 | |
| 1784 /******************************** ComplexExp **************************/ | |
| 1785 | |
| 1786 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1787 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1788 { | |
| 1789 this->value = value; | |
| 1790 this->type = type; | |
| 1791 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1792 } | |
| 1793 | |
| 1794 char *ComplexExp::toChars() | |
| 1795 { | |
| 1796 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1797 | |
| 1798 #ifdef IN_GCC | |
| 1799 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1800 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1801 creall(value).format(buf1, sizeof(buf1)); | |
| 1802 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1803 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1804 #else | |
| 1805 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1806 assert(strlen(buffer) < sizeof(buffer)); | |
| 1807 #endif | |
| 1808 return mem.strdup(buffer); | |
| 1809 } | |
| 1810 | |
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1811 dinteger_t ComplexExp::toInteger() |
| 159 | 1812 { |
| 1813 #ifdef IN_GCC | |
| 1814 return (sinteger_t) toReal().toInt(); | |
| 1815 #else | |
| 1816 return (sinteger_t) toReal(); | |
| 1817 #endif | |
| 1818 } | |
| 1819 | |
| 1820 uinteger_t ComplexExp::toUInteger() | |
| 1821 { | |
| 1822 #ifdef IN_GCC | |
| 1823 return (uinteger_t) toReal().toInt(); | |
| 1824 #else | |
| 1825 return (uinteger_t) toReal(); | |
| 1826 #endif | |
| 1827 } | |
| 1828 | |
| 1829 real_t ComplexExp::toReal() | |
| 1830 { | |
| 1831 return creall(value); | |
| 1832 } | |
| 1833 | |
| 1834 real_t ComplexExp::toImaginary() | |
| 1835 { | |
| 1836 return cimagl(value); | |
| 1837 } | |
| 1838 | |
| 1839 complex_t ComplexExp::toComplex() | |
| 1840 { | |
| 1841 return value; | |
| 1842 } | |
| 1843 | |
| 1844 int ComplexExp::equals(Object *o) | |
| 1845 { ComplexExp *ne; | |
| 1846 | |
| 1847 if (this == o || | |
| 1848 (((Expression *)o)->op == TOKcomplex80 && | |
| 1849 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1850 RealEquals(creall(value), creall(ne->value)) && | |
| 1851 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1852 ) | |
| 1853 ) | |
| 1854 return 1; | |
| 1855 return 0; | |
| 1856 } | |
| 1857 | |
| 1858 Expression *ComplexExp::semantic(Scope *sc) | |
| 1859 { | |
| 1860 if (!type) | |
| 1861 type = Type::tcomplex80; | |
| 1862 else | |
| 1863 type = type->semantic(loc, sc); | |
| 1864 return this; | |
| 1865 } | |
| 1866 | |
| 1867 int ComplexExp::isBool(int result) | |
| 1868 { | |
| 1869 if (result) | |
| 1870 return (bool)(value); | |
| 1871 else | |
| 1872 return !value; | |
| 1873 } | |
| 1874 | |
| 1875 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1876 { | |
| 1877 /* Print as: | |
| 1878 * (re+imi) | |
| 1879 */ | |
| 1880 #ifdef IN_GCC | |
| 1881 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1882 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1883 creall(value).format(buf1, sizeof(buf1)); | |
| 1884 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1885 buf->printf("(%s+%si)", buf1, buf2); | |
| 1886 #else | |
| 1887 buf->writeByte('('); | |
| 1888 floatToBuffer(buf, type, creall(value)); | |
| 1889 buf->writeByte('+'); | |
| 1890 floatToBuffer(buf, type, cimagl(value)); | |
| 1891 buf->writestring("i)"); | |
| 1892 #endif | |
| 1893 } | |
| 1894 | |
| 1895 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1896 { | |
| 1897 buf->writeByte('c'); | |
| 1898 real_t r = toReal(); | |
| 1899 realToMangleBuffer(buf, r); | |
| 1900 buf->writeByte('c'); // separate the two | |
| 1901 r = toImaginary(); | |
| 1902 realToMangleBuffer(buf, r); | |
| 1903 } | |
| 1904 | |
| 1905 /******************************** IdentifierExp **************************/ | |
| 1906 | |
| 1907 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1908 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1909 { | |
| 1910 this->ident = ident; | |
| 1911 } | |
| 1912 | |
| 1913 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1914 { | |
| 1915 Dsymbol *s; | |
| 1916 Dsymbol *scopesym; | |
| 1917 | |
| 1918 #if LOGSEMANTIC | |
| 1919 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1920 #endif | |
| 1921 s = sc->search(loc, ident, &scopesym); | |
| 1922 if (s) | |
| 1923 { Expression *e; | |
| 1924 WithScopeSymbol *withsym; | |
| 1925 | |
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1926 /* See if the symbol was a member of an enclosing 'with' |
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1927 */ |
| 159 | 1928 withsym = scopesym->isWithScopeSymbol(); |
| 1929 if (withsym) | |
| 1930 { | |
| 1931 s = s->toAlias(); | |
| 1932 | |
| 1933 // Same as wthis.ident | |
| 1934 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1935 { | |
| 1936 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1937 e = new DotIdExp(loc, e, ident); | |
| 1938 } | |
| 1939 else | |
| 1940 { Type *t = withsym->withstate->wthis->type; | |
| 1941 if (t->ty == Tpointer) | |
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1942 t = ((TypePointer *)t)->next; |
| 159 | 1943 e = new TypeDotIdExp(loc, t, ident); |
| 1944 } | |
| 1945 } | |
| 1946 else | |
| 1947 { | |
| 1948 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1949 { // Kludge to run semantic() here because | |
| 1950 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1951 s->semantic(sc); | |
| 1952 } | |
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1953 /* If f is really a function template, |
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1954 * then replace f with the function template declaration. |
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1955 */ |
| 159 | 1956 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1957 if (f && f->parent) | |
| 1958 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1959 | |
| 1960 if (ti && | |
| 1961 !ti->isTemplateMixin() && | |
| 1962 (ti->name == f->ident || | |
| 1963 ti->toAlias()->ident == f->ident) | |
| 1964 && | |
| 1965 ti->tempdecl && ti->tempdecl->onemember) | |
| 1966 { | |
| 1967 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1968 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1969 tempdecl = tempdecl->overroot; // then get the start | |
| 1970 e = new TemplateExp(loc, tempdecl); | |
| 1971 e = e->semantic(sc); | |
| 1972 return e; | |
| 1973 } | |
| 1974 } | |
| 1975 e = new DsymbolExp(loc, s); | |
| 1976 } | |
| 1977 return e->semantic(sc); | |
| 1978 } | |
| 1979 error("undefined identifier %s", ident->toChars()); | |
| 1980 type = Type::terror; | |
| 1981 return this; | |
| 1982 } | |
| 1983 | |
| 1984 char *IdentifierExp::toChars() | |
| 1985 { | |
| 1986 return ident->toChars(); | |
| 1987 } | |
| 1988 | |
| 1989 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1990 { | |
| 1991 if (hgs->hdrgen) | |
| 1992 buf->writestring(ident->toHChars2()); | |
| 1993 else | |
| 1994 buf->writestring(ident->toChars()); | |
| 1995 } | |
| 1996 | |
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1997 #if DMDV2 |
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1998 int IdentifierExp::isLvalue() |
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1999 { |
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2000 return 1; |
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2001 } |
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2002 #endif |
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2003 |
| 159 | 2004 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2005 { | |
| 2006 #if 0 | |
| 2007 tym = tybasic(e1->ET->Tty); | |
| 2008 if (!(tyscalar(tym) || | |
| 2009 tym == TYstruct || | |
| 2010 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2011 synerr(EM_lvalue); // lvalue expected | |
| 2012 #endif | |
| 2013 return this; | |
| 2014 } | |
| 2015 | |
| 2016 /******************************** DollarExp **************************/ | |
| 2017 | |
| 2018 DollarExp::DollarExp(Loc loc) | |
| 2019 : IdentifierExp(loc, Id::dollar) | |
| 2020 { | |
| 2021 } | |
| 2022 | |
| 2023 /******************************** DsymbolExp **************************/ | |
| 2024 | |
| 2025 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2026 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2027 { | |
| 2028 this->s = s; | |
| 2029 } | |
| 2030 | |
| 2031 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2032 { | |
| 2033 #if LOGSEMANTIC | |
| 2034 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2035 #endif | |
| 2036 | |
| 2037 Lagain: | |
| 2038 EnumMember *em; | |
| 2039 Expression *e; | |
| 2040 VarDeclaration *v; | |
| 2041 FuncDeclaration *f; | |
| 2042 FuncLiteralDeclaration *fld; | |
| 2043 Declaration *d; | |
| 2044 ClassDeclaration *cd; | |
| 2045 ClassDeclaration *thiscd = NULL; | |
| 2046 Import *imp; | |
| 2047 Package *pkg; | |
| 2048 Type *t; | |
| 2049 | |
| 2050 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2051 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2052 if (type) | |
| 2053 return this; | |
| 2054 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2055 checkDeprecated(sc, s); | |
| 2056 s = s->toAlias(); | |
| 2057 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2058 if (!s->isFuncDeclaration()) | |
| 2059 checkDeprecated(sc, s); | |
| 2060 | |
| 2061 if (sc->func) | |
| 2062 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2063 | |
| 2064 // BUG: This should happen after overload resolution for functions, not before | |
| 2065 if (s->needThis()) | |
| 2066 { | |
|
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|
2067 if (hasThis(sc) |
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|
2068 #if DMDV2 |
|
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|
2069 && !s->isFuncDeclaration() |
|
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|
2070 #endif |
|
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|
2071 ) |
| 159 | 2072 { |
| 2073 // Supply an implicit 'this', as in | |
| 2074 // this.ident | |
| 2075 | |
| 2076 DotVarExp *de; | |
| 2077 | |
| 2078 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2079 return de->semantic(sc); | |
| 2080 } | |
| 2081 } | |
| 2082 | |
| 2083 em = s->isEnumMember(); | |
| 2084 if (em) | |
| 2085 { | |
| 2086 e = em->value->copy(); | |
| 2087 e = e->semantic(sc); | |
| 2088 return e; | |
| 2089 } | |
| 2090 v = s->isVarDeclaration(); | |
| 2091 if (v) | |
| 2092 { | |
| 2093 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2094 if (!type) | |
| 2095 { type = v->type; | |
| 2096 if (!v->type) | |
| 2097 { error("forward reference of %s", v->toChars()); | |
| 2098 type = Type::terror; | |
| 2099 } | |
| 2100 } | |
| 2101 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2102 { | |
| 2103 if (v->init) | |
| 2104 { | |
| 2105 if (v->inuse) | |
| 2106 { | |
| 2107 error("circular reference to '%s'", v->toChars()); | |
| 2108 type = Type::tint32; | |
| 2109 return this; | |
| 2110 } | |
| 2111 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2112 if (ei) | |
| 2113 { | |
| 2114 e = ei->exp->copy(); // make copy so we can change loc | |
| 2115 if (e->op == TOKstring || !e->type) | |
| 2116 e = e->semantic(sc); | |
| 2117 e = e->implicitCastTo(sc, type); | |
| 2118 e->loc = loc; | |
| 2119 return e; | |
| 2120 } | |
| 2121 } | |
| 2122 else | |
| 2123 { | |
| 2124 e = type->defaultInit(); | |
| 2125 e->loc = loc; | |
| 2126 return e; | |
| 2127 } | |
| 2128 } | |
| 2129 e = new VarExp(loc, v); | |
| 2130 e->type = type; | |
| 2131 e = e->semantic(sc); | |
| 2132 return e->deref(); | |
| 2133 } | |
| 2134 fld = s->isFuncLiteralDeclaration(); | |
| 2135 if (fld) | |
| 2136 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2137 e = new FuncExp(loc, fld); | |
| 2138 return e->semantic(sc); | |
| 2139 } | |
| 2140 f = s->isFuncDeclaration(); | |
| 2141 if (f) | |
| 2142 { //printf("'%s' is a function\n", f->toChars()); | |
| 2143 return new VarExp(loc, f); | |
| 2144 } | |
| 2145 cd = s->isClassDeclaration(); | |
| 2146 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2147 { | |
| 2148 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2149 DotTypeExp *dte; | |
| 2150 | |
| 2151 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2152 return dte->semantic(sc); | |
| 2153 } | |
| 2154 imp = s->isImport(); | |
| 2155 if (imp) | |
| 2156 { | |
|
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diff
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|
2157 if (!imp->pkg) |
|
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diff
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|
2158 { error("forward reference of import %s", imp->toChars()); |
|
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diff
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|
2159 return this; |
|
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diff
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|
2160 } |
|
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diff
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|
2161 ScopeExp *ie = new ScopeExp(loc, imp->pkg); |
| 159 | 2162 return ie->semantic(sc); |
| 2163 } | |
| 2164 pkg = s->isPackage(); | |
| 2165 if (pkg) | |
| 2166 { | |
| 2167 ScopeExp *ie; | |
| 2168 | |
| 2169 ie = new ScopeExp(loc, pkg); | |
| 2170 return ie->semantic(sc); | |
| 2171 } | |
| 2172 Module *mod = s->isModule(); | |
| 2173 if (mod) | |
| 2174 { | |
| 2175 ScopeExp *ie; | |
| 2176 | |
| 2177 ie = new ScopeExp(loc, mod); | |
| 2178 return ie->semantic(sc); | |
| 2179 } | |
| 2180 | |
| 2181 t = s->getType(); | |
| 2182 if (t) | |
| 2183 { | |
| 2184 return new TypeExp(loc, t); | |
| 2185 } | |
| 2186 | |
| 2187 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2188 if (tup) | |
| 2189 { | |
| 2190 e = new TupleExp(loc, tup); | |
| 2191 e = e->semantic(sc); | |
| 2192 return e; | |
| 2193 } | |
| 2194 | |
| 2195 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2196 if (ti && !global.errors) | |
| 2197 { if (!ti->semanticdone) | |
| 2198 ti->semantic(sc); | |
| 2199 s = ti->inst->toAlias(); | |
| 2200 if (!s->isTemplateInstance()) | |
| 2201 goto Lagain; | |
| 2202 e = new ScopeExp(loc, ti); | |
| 2203 e = e->semantic(sc); | |
| 2204 return e; | |
| 2205 } | |
| 2206 | |
| 2207 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2208 if (td) | |
| 2209 { | |
| 2210 e = new TemplateExp(loc, td); | |
| 2211 e = e->semantic(sc); | |
| 2212 return e; | |
| 2213 } | |
| 2214 | |
| 2215 Lerr: | |
| 2216 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2217 type = Type::terror; | |
| 2218 return this; | |
| 2219 } | |
| 2220 | |
| 2221 char *DsymbolExp::toChars() | |
| 2222 { | |
| 2223 return s->toChars(); | |
| 2224 } | |
| 2225 | |
| 2226 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2227 { | |
| 2228 buf->writestring(s->toChars()); | |
| 2229 } | |
| 2230 | |
|
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Merged DMD 1.038
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|
2231 #if DMDV2 |
|
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diff
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|
2232 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
2233 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2234 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2235 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2236 #endif |
|
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Merged DMD 1.038
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diff
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|
2237 |
| 159 | 2238 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2239 { | |
| 2240 #if 0 | |
| 2241 tym = tybasic(e1->ET->Tty); | |
| 2242 if (!(tyscalar(tym) || | |
| 2243 tym == TYstruct || | |
| 2244 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2245 synerr(EM_lvalue); // lvalue expected | |
| 2246 #endif | |
| 2247 return this; | |
| 2248 } | |
| 2249 | |
| 2250 /******************************** ThisExp **************************/ | |
| 2251 | |
| 2252 ThisExp::ThisExp(Loc loc) | |
| 2253 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2254 { | |
| 2255 var = NULL; | |
| 2256 } | |
| 2257 | |
| 2258 Expression *ThisExp::semantic(Scope *sc) | |
| 2259 { FuncDeclaration *fd; | |
| 2260 FuncDeclaration *fdthis; | |
| 2261 int nested = 0; | |
| 2262 | |
| 2263 #if LOGSEMANTIC | |
| 2264 printf("ThisExp::semantic()\n"); | |
| 2265 #endif | |
| 2266 if (type) | |
| 2267 { //assert(global.errors || var); | |
| 2268 return this; | |
| 2269 } | |
| 2270 | |
| 2271 /* Special case for typeof(this) and typeof(super) since both | |
| 2272 * should work even if they are not inside a non-static member function | |
| 2273 */ | |
| 2274 if (sc->intypeof) | |
| 2275 { | |
| 2276 // Find enclosing struct or class | |
| 2277 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2278 { | |
| 2279 ClassDeclaration *cd; | |
| 2280 StructDeclaration *sd; | |
| 2281 | |
| 2282 if (!s) | |
| 2283 { | |
| 2284 error("%s is not in a struct or class scope", toChars()); | |
| 2285 goto Lerr; | |
| 2286 } | |
| 2287 cd = s->isClassDeclaration(); | |
| 2288 if (cd) | |
| 2289 { | |
| 2290 type = cd->type; | |
| 2291 return this; | |
| 2292 } | |
| 2293 sd = s->isStructDeclaration(); | |
| 2294 if (sd) | |
| 2295 { | |
| 2296 type = sd->type->pointerTo(); | |
| 2297 return this; | |
| 2298 } | |
| 2299 } | |
| 2300 } | |
| 2301 | |
| 2302 fdthis = sc->parent->isFuncDeclaration(); | |
| 2303 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2304 if (!fd) | |
| 2305 goto Lerr; | |
| 2306 | |
| 2307 assert(fd->vthis); | |
| 2308 var = fd->vthis; | |
| 2309 assert(var->parent); | |
| 2310 type = var->type; | |
| 2311 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2312 #if 0 | |
| 2313 if (fd != fdthis) // if nested | |
| 2314 { | |
| 2315 fdthis->getLevel(loc, fd); | |
| 2316 fd->vthis->nestedref = 1; | |
| 2317 fd->nestedFrameRef = 1; | |
| 2318 } | |
| 2319 #endif | |
| 336 | 2320 if (!sc->intypeof) |
| 2321 sc->callSuper |= CSXthis; | |
| 159 | 2322 return this; |
| 2323 | |
| 2324 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
|
2325 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
|
2326 type = Type::terror; |
| 159 | 2327 return this; |
| 2328 } | |
| 2329 | |
| 2330 int ThisExp::isBool(int result) | |
| 2331 { | |
| 2332 return result ? TRUE : FALSE; | |
| 2333 } | |
| 2334 | |
| 2335 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2336 { | |
| 2337 buf->writestring("this"); | |
| 2338 } | |
| 2339 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2340 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2341 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2342 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2343 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2344 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2345 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 |
| 159 | 2347 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2348 { | |
| 2349 return this; | |
| 2350 } | |
| 2351 | |
| 2352 /******************************** SuperExp **************************/ | |
| 2353 | |
| 2354 SuperExp::SuperExp(Loc loc) | |
| 2355 : ThisExp(loc) | |
| 2356 { | |
| 2357 op = TOKsuper; | |
| 2358 } | |
| 2359 | |
| 2360 Expression *SuperExp::semantic(Scope *sc) | |
| 2361 { FuncDeclaration *fd; | |
| 2362 FuncDeclaration *fdthis; | |
| 2363 ClassDeclaration *cd; | |
| 2364 Dsymbol *s; | |
| 2365 | |
| 2366 #if LOGSEMANTIC | |
| 2367 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2368 #endif | |
| 2369 if (type) | |
| 2370 return this; | |
| 2371 | |
| 2372 /* Special case for typeof(this) and typeof(super) since both | |
| 2373 * should work even if they are not inside a non-static member function | |
| 2374 */ | |
| 2375 if (sc->intypeof) | |
| 2376 { | |
| 2377 // Find enclosing class | |
| 2378 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2379 { | |
| 2380 ClassDeclaration *cd; | |
| 2381 | |
| 2382 if (!s) | |
| 2383 { | |
| 2384 error("%s is not in a class scope", toChars()); | |
| 2385 goto Lerr; | |
| 2386 } | |
| 2387 cd = s->isClassDeclaration(); | |
| 2388 if (cd) | |
| 2389 { | |
| 2390 cd = cd->baseClass; | |
| 2391 if (!cd) | |
| 2392 { error("class %s has no 'super'", s->toChars()); | |
| 2393 goto Lerr; | |
| 2394 } | |
| 2395 type = cd->type; | |
| 2396 return this; | |
| 2397 } | |
| 2398 } | |
| 2399 } | |
| 2400 | |
| 2401 fdthis = sc->parent->isFuncDeclaration(); | |
| 2402 fd = hasThis(sc); | |
| 2403 if (!fd) | |
| 2404 goto Lerr; | |
| 2405 assert(fd->vthis); | |
| 2406 var = fd->vthis; | |
| 2407 assert(var->parent); | |
| 2408 | |
| 2409 s = fd->toParent(); | |
| 2410 while (s && s->isTemplateInstance()) | |
| 2411 s = s->toParent(); | |
| 2412 assert(s); | |
| 2413 cd = s->isClassDeclaration(); | |
| 2414 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2415 if (!cd) | |
| 2416 goto Lerr; | |
| 2417 if (!cd->baseClass) | |
| 2418 { | |
| 2419 error("no base class for %s", cd->toChars()); | |
| 2420 type = fd->vthis->type; | |
| 2421 } | |
| 2422 else | |
| 2423 { | |
| 2424 type = cd->baseClass->type; | |
| 2425 } | |
| 2426 | |
| 2427 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2428 #if 0 | |
| 2429 if (fd != fdthis) | |
| 2430 { | |
| 2431 fdthis->getLevel(loc, fd); | |
| 2432 fd->vthis->nestedref = 1; | |
| 2433 fd->nestedFrameRef = 1; | |
| 2434 } | |
| 2435 #endif | |
| 2436 | |
| 336 | 2437 if (!sc->intypeof) |
| 2438 sc->callSuper |= CSXsuper; | |
| 159 | 2439 return this; |
| 2440 | |
| 2441 | |
| 2442 Lerr: | |
| 2443 error("'super' is only allowed in non-static class member functions"); | |
| 2444 type = Type::tint32; | |
| 2445 return this; | |
| 2446 } | |
| 2447 | |
| 2448 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2449 { | |
| 2450 buf->writestring("super"); | |
| 2451 } | |
| 2452 | |
| 2453 | |
| 2454 /******************************** NullExp **************************/ | |
| 2455 | |
| 2456 NullExp::NullExp(Loc loc) | |
| 2457 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2458 { | |
| 2459 committed = 0; | |
| 2460 } | |
| 2461 | |
| 2462 Expression *NullExp::semantic(Scope *sc) | |
| 2463 { | |
| 2464 #if LOGSEMANTIC | |
| 2465 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2466 #endif | |
| 2467 // NULL is the same as (void *)0 | |
| 2468 if (!type) | |
| 2469 type = Type::tvoid->pointerTo(); | |
| 2470 return this; | |
| 2471 } | |
| 2472 | |
| 2473 int NullExp::isBool(int result) | |
| 2474 { | |
| 2475 return result ? FALSE : TRUE; | |
| 2476 } | |
| 2477 | |
| 2478 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2479 { | |
| 2480 buf->writestring("null"); | |
| 2481 } | |
| 2482 | |
| 2483 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2484 { | |
| 2485 buf->writeByte('n'); | |
| 2486 } | |
| 2487 | |
| 2488 /******************************** StringExp **************************/ | |
| 2489 | |
| 2490 StringExp::StringExp(Loc loc, char *string) | |
| 2491 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2492 { | |
| 2493 this->string = string; | |
| 2494 this->len = strlen(string); | |
| 2495 this->sz = 1; | |
| 2496 this->committed = 0; | |
| 2497 this->postfix = 0; | |
| 2498 } | |
| 2499 | |
| 2500 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2501 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2502 { | |
| 2503 this->string = string; | |
| 2504 this->len = len; | |
| 2505 this->sz = 1; | |
| 2506 this->committed = 0; | |
| 2507 this->postfix = 0; | |
| 2508 } | |
| 2509 | |
| 2510 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2511 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2512 { | |
| 2513 this->string = string; | |
| 2514 this->len = len; | |
| 2515 this->sz = 1; | |
| 2516 this->committed = 0; | |
| 2517 this->postfix = postfix; | |
| 2518 } | |
| 2519 | |
| 2520 #if 0 | |
| 2521 Expression *StringExp::syntaxCopy() | |
| 2522 { | |
| 2523 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2524 return copy(); | |
| 2525 } | |
| 2526 #endif | |
| 2527 | |
| 2528 int StringExp::equals(Object *o) | |
| 2529 { | |
| 2530 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2531 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2532 { Expression *e = (Expression *)o; | |
| 2533 | |
| 2534 if (e->op == TOKstring) | |
| 2535 { | |
| 2536 return compare(o) == 0; | |
| 2537 } | |
| 2538 } | |
| 2539 return FALSE; | |
| 2540 } | |
| 2541 | |
| 2542 char *StringExp::toChars() | |
| 2543 { | |
| 2544 OutBuffer buf; | |
| 2545 HdrGenState hgs; | |
| 2546 char *p; | |
| 2547 | |
| 2548 memset(&hgs, 0, sizeof(hgs)); | |
| 2549 toCBuffer(&buf, &hgs); | |
| 2550 buf.writeByte(0); | |
| 2551 p = (char *)buf.data; | |
| 2552 buf.data = NULL; | |
| 2553 return p; | |
| 2554 } | |
| 2555 | |
| 2556 Expression *StringExp::semantic(Scope *sc) | |
| 2557 { | |
| 2558 #if LOGSEMANTIC | |
| 2559 printf("StringExp::semantic() %s\n", toChars()); | |
| 2560 #endif | |
| 2561 if (!type) | |
| 2562 { OutBuffer buffer; | |
| 2563 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2564 const char *p; |
| 159 | 2565 size_t u; |
| 2566 unsigned c; | |
| 2567 | |
| 2568 switch (postfix) | |
| 2569 { | |
| 2570 case 'd': | |
| 2571 for (u = 0; u < len;) | |
| 2572 { | |
| 2573 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2574 if (p) | |
| 2575 { error("%s", p); | |
| 2576 break; | |
| 2577 } | |
| 2578 else | |
| 2579 { buffer.write4(c); | |
| 2580 newlen++; | |
| 2581 } | |
| 2582 } | |
| 2583 buffer.write4(0); | |
| 2584 string = buffer.extractData(); | |
| 2585 len = newlen; | |
| 2586 sz = 4; | |
| 2587 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2588 committed = 1; | |
| 2589 break; | |
| 2590 | |
| 2591 case 'w': | |
| 2592 for (u = 0; u < len;) | |
| 2593 { | |
| 2594 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2595 if (p) | |
| 2596 { error("%s", p); | |
| 2597 break; | |
| 2598 } | |
| 2599 else | |
| 2600 { buffer.writeUTF16(c); | |
| 2601 newlen++; | |
| 2602 if (c >= 0x10000) | |
| 2603 newlen++; | |
| 2604 } | |
| 2605 } | |
| 2606 buffer.writeUTF16(0); | |
| 2607 string = buffer.extractData(); | |
| 2608 len = newlen; | |
| 2609 sz = 2; | |
| 2610 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2611 committed = 1; | |
| 2612 break; | |
| 2613 | |
| 2614 case 'c': | |
| 2615 committed = 1; | |
| 2616 default: | |
| 2617 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2618 break; | |
| 2619 } | |
| 2620 type = type->semantic(loc, sc); | |
| 2621 } | |
| 2622 return this; | |
| 2623 } | |
| 2624 | |
| 2625 /**************************************** | |
| 2626 * Convert string to char[]. | |
| 2627 */ | |
| 2628 | |
| 2629 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2630 { | |
| 2631 if (sz != 1) | |
| 2632 { // Convert to UTF-8 string | |
| 2633 committed = 0; | |
| 2634 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2635 e = e->optimize(WANTvalue); | |
| 2636 assert(e->op == TOKstring); | |
| 2637 StringExp *se = (StringExp *)e; | |
| 2638 assert(se->sz == 1); | |
| 2639 return se; | |
| 2640 } | |
| 2641 return this; | |
| 2642 } | |
| 2643 | |
| 2644 int StringExp::compare(Object *obj) | |
| 2645 { | |
| 2646 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2647 StringExp *se2 = (StringExp *)(obj); | |
| 2648 | |
| 2649 // This is a kludge so isExpression() in template.c will return 5 | |
| 2650 // for StringExp's. | |
| 2651 if (!se2) | |
| 2652 return 5; | |
| 2653 | |
| 2654 assert(se2->op == TOKstring); | |
| 2655 | |
| 2656 int len1 = len; | |
| 2657 int len2 = se2->len; | |
| 2658 | |
| 2659 if (len1 == len2) | |
| 2660 { | |
| 2661 switch (sz) | |
| 2662 { | |
| 2663 case 1: | |
| 2664 return strcmp((char *)string, (char *)se2->string); | |
| 2665 | |
| 2666 case 2: | |
| 2667 { unsigned u; | |
| 2668 d_wchar *s1 = (d_wchar *)string; | |
| 2669 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2670 | |
| 2671 for (u = 0; u < len; u++) | |
| 2672 { | |
| 2673 if (s1[u] != s2[u]) | |
| 2674 return s1[u] - s2[u]; | |
| 2675 } | |
| 2676 } | |
| 2677 | |
| 2678 case 4: | |
| 2679 { unsigned u; | |
| 2680 d_dchar *s1 = (d_dchar *)string; | |
| 2681 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2682 | |
| 2683 for (u = 0; u < len; u++) | |
| 2684 { | |
| 2685 if (s1[u] != s2[u]) | |
| 2686 return s1[u] - s2[u]; | |
| 2687 } | |
| 2688 } | |
| 2689 break; | |
| 2690 | |
| 2691 default: | |
| 2692 assert(0); | |
| 2693 } | |
| 2694 } | |
| 2695 return len1 - len2; | |
| 2696 } | |
| 2697 | |
| 2698 int StringExp::isBool(int result) | |
| 2699 { | |
| 2700 return result ? TRUE : FALSE; | |
| 2701 } | |
| 2702 | |
| 2703 unsigned StringExp::charAt(size_t i) | |
| 2704 { unsigned value; | |
| 2705 | |
| 2706 switch (sz) | |
| 2707 { | |
| 2708 case 1: | |
| 2709 value = ((unsigned char *)string)[i]; | |
| 2710 break; | |
| 2711 | |
| 2712 case 2: | |
| 2713 value = ((unsigned short *)string)[i]; | |
| 2714 break; | |
| 2715 | |
| 2716 case 4: | |
| 2717 value = ((unsigned int *)string)[i]; | |
| 2718 break; | |
| 2719 | |
| 2720 default: | |
| 2721 assert(0); | |
| 2722 break; | |
| 2723 } | |
| 2724 return value; | |
| 2725 } | |
| 2726 | |
| 2727 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2728 { | |
| 2729 buf->writeByte('"'); | |
| 2730 for (size_t i = 0; i < len; i++) | |
| 2731 { unsigned c = charAt(i); | |
| 2732 | |
| 2733 switch (c) | |
| 2734 { | |
| 2735 case '"': | |
| 2736 case '\\': | |
| 2737 if (!hgs->console) | |
| 2738 buf->writeByte('\\'); | |
| 2739 default: | |
| 2740 if (c <= 0xFF) | |
| 2741 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2742 buf->writeByte(c); | |
| 2743 else | |
| 2744 buf->printf("\\x%02x", c); | |
| 2745 } | |
| 2746 else if (c <= 0xFFFF) | |
| 2747 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2748 else | |
| 2749 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2750 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2751 break; | |
| 2752 } | |
| 2753 } | |
| 2754 buf->writeByte('"'); | |
| 2755 if (postfix) | |
| 2756 buf->writeByte(postfix); | |
| 2757 } | |
| 2758 | |
| 2759 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2760 { char m; | |
| 2761 OutBuffer tmp; | |
|
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diff
changeset
|
2762 const char *p; |
| 159 | 2763 unsigned c; |
| 2764 size_t u; | |
| 2765 unsigned char *q; | |
| 2766 unsigned qlen; | |
| 2767 | |
| 2768 /* Write string in UTF-8 format | |
| 2769 */ | |
| 2770 switch (sz) | |
| 2771 { case 1: | |
| 2772 m = 'a'; | |
| 2773 q = (unsigned char *)string; | |
| 2774 qlen = len; | |
| 2775 break; | |
| 2776 case 2: | |
| 2777 m = 'w'; | |
| 2778 for (u = 0; u < len; ) | |
| 2779 { | |
| 2780 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2781 if (p) | |
| 2782 error("%s", p); | |
| 2783 else | |
| 2784 tmp.writeUTF8(c); | |
| 2785 } | |
| 2786 q = tmp.data; | |
| 2787 qlen = tmp.offset; | |
| 2788 break; | |
| 2789 case 4: | |
| 2790 m = 'd'; | |
| 2791 for (u = 0; u < len; u++) | |
| 2792 { | |
| 2793 c = ((unsigned *)string)[u]; | |
| 2794 if (!utf_isValidDchar(c)) | |
| 2795 error("invalid UCS-32 char \\U%08x", c); | |
| 2796 else | |
| 2797 tmp.writeUTF8(c); | |
| 2798 } | |
| 2799 q = tmp.data; | |
| 2800 qlen = tmp.offset; | |
| 2801 break; | |
| 2802 default: | |
| 2803 assert(0); | |
| 2804 } | |
| 2805 buf->writeByte(m); | |
| 2806 buf->printf("%d_", qlen); | |
| 2807 for (size_t i = 0; i < qlen; i++) | |
| 2808 buf->printf("%02x", q[i]); | |
| 2809 } | |
| 2810 | |
| 2811 /************************ ArrayLiteralExp ************************************/ | |
| 2812 | |
| 2813 // [ e1, e2, e3, ... ] | |
| 2814 | |
| 2815 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2816 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2817 { | |
| 2818 this->elements = elements; | |
| 2819 } | |
| 2820 | |
| 2821 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2822 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2823 { | |
| 2824 elements = new Expressions; | |
| 2825 elements->push(e); | |
| 2826 } | |
| 2827 | |
| 2828 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2829 { | |
| 2830 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2831 } | |
| 2832 | |
| 2833 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2834 { Expression *e; | |
| 2835 Type *t0 = NULL; | |
| 2836 | |
| 2837 #if LOGSEMANTIC | |
| 2838 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2839 #endif | |
| 2840 if (type) | |
| 2841 return this; | |
| 2842 | |
| 2843 // Run semantic() on each element | |
| 2844 for (int i = 0; i < elements->dim; i++) | |
| 2845 { e = (Expression *)elements->data[i]; | |
| 2846 e = e->semantic(sc); | |
| 2847 elements->data[i] = (void *)e; | |
| 2848 } | |
| 2849 expandTuples(elements); | |
| 2850 for (int i = 0; i < elements->dim; i++) | |
| 2851 { e = (Expression *)elements->data[i]; | |
| 2852 | |
| 2853 if (!e->type) | |
| 2854 error("%s has no value", e->toChars()); | |
| 2855 e = resolveProperties(sc, e); | |
| 2856 | |
| 2857 unsigned char committed = 1; | |
| 2858 if (e->op == TOKstring) | |
| 2859 committed = ((StringExp *)e)->committed; | |
| 2860 | |
| 2861 if (!t0) | |
| 2862 { t0 = e->type; | |
| 2863 // Convert any static arrays to dynamic arrays | |
| 2864 if (t0->ty == Tsarray) | |
| 2865 { | |
|
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diff
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|
2866 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2867 e = e->implicitCastTo(sc, t0); |
| 2868 } | |
| 2869 } | |
| 2870 else | |
| 2871 e = e->implicitCastTo(sc, t0); | |
| 2872 if (!committed && e->op == TOKstring) | |
| 2873 { StringExp *se = (StringExp *)e; | |
| 2874 se->committed = 0; | |
| 2875 } | |
| 2876 elements->data[i] = (void *)e; | |
| 2877 } | |
| 2878 | |
| 2879 if (!t0) | |
| 2880 t0 = Type::tvoid; | |
| 2881 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2882 type = type->semantic(loc, sc); | |
| 2883 return this; | |
| 2884 } | |
| 2885 | |
| 2886 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2887 { int f = 0; | |
| 2888 | |
| 2889 for (size_t i = 0; i < elements->dim; i++) | |
| 2890 { Expression *e = (Expression *)elements->data[i]; | |
| 2891 | |
| 2892 f |= e->checkSideEffect(2); | |
| 2893 } | |
| 2894 if (flag == 0 && f == 0) | |
| 2895 Expression::checkSideEffect(0); | |
| 2896 return f; | |
| 2897 } | |
| 2898 | |
| 2899 int ArrayLiteralExp::isBool(int result) | |
| 2900 { | |
| 2901 size_t dim = elements ? elements->dim : 0; | |
| 2902 return result ? (dim != 0) : (dim == 0); | |
| 2903 } | |
| 2904 | |
|
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diff
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|
2905 #if DMDV2 |
|
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diff
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|
2906 int ArrayLiteralExp::canThrow() |
|
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parents:
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diff
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|
2907 { |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
2908 return 1; // because it can fail allocating memory |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2909 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2910 #endif |
|
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parents:
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diff
changeset
|
2911 |
| 159 | 2912 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2913 { | |
| 2914 buf->writeByte('['); | |
| 2915 argsToCBuffer(buf, elements, hgs); | |
| 2916 buf->writeByte(']'); | |
| 2917 } | |
| 2918 | |
| 2919 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2920 { | |
| 2921 size_t dim = elements ? elements->dim : 0; | |
| 2922 buf->printf("A%u", dim); | |
| 2923 for (size_t i = 0; i < dim; i++) | |
| 2924 { Expression *e = (Expression *)elements->data[i]; | |
| 2925 e->toMangleBuffer(buf); | |
| 2926 } | |
| 2927 } | |
| 2928 | |
| 2929 /************************ AssocArrayLiteralExp ************************************/ | |
| 2930 | |
| 2931 // [ key0 : value0, key1 : value1, ... ] | |
| 2932 | |
| 2933 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2934 Expressions *keys, Expressions *values) | |
| 2935 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2936 { | |
| 2937 assert(keys->dim == values->dim); | |
| 2938 this->keys = keys; | |
| 2939 this->values = values; | |
| 2940 } | |
| 2941 | |
| 2942 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2943 { | |
| 2944 return new AssocArrayLiteralExp(loc, | |
| 2945 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2946 } | |
| 2947 | |
| 2948 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2949 { Expression *e; | |
| 2950 Type *tkey = NULL; | |
| 2951 Type *tvalue = NULL; | |
| 2952 | |
| 2953 #if LOGSEMANTIC | |
| 2954 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2955 #endif | |
| 2956 | |
| 2957 // Run semantic() on each element | |
| 2958 for (size_t i = 0; i < keys->dim; i++) | |
| 2959 { Expression *key = (Expression *)keys->data[i]; | |
| 2960 Expression *value = (Expression *)values->data[i]; | |
| 2961 | |
| 2962 key = key->semantic(sc); | |
| 2963 value = value->semantic(sc); | |
| 2964 | |
| 2965 keys->data[i] = (void *)key; | |
| 2966 values->data[i] = (void *)value; | |
| 2967 } | |
| 2968 expandTuples(keys); | |
| 2969 expandTuples(values); | |
| 2970 if (keys->dim != values->dim) | |
| 2971 { | |
| 2972 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2973 keys->setDim(0); | |
| 2974 values->setDim(0); | |
| 2975 } | |
| 2976 for (size_t i = 0; i < keys->dim; i++) | |
| 2977 { Expression *key = (Expression *)keys->data[i]; | |
| 2978 Expression *value = (Expression *)values->data[i]; | |
| 2979 | |
| 2980 if (!key->type) | |
| 2981 error("%s has no value", key->toChars()); | |
| 2982 if (!value->type) | |
| 2983 error("%s has no value", value->toChars()); | |
| 2984 key = resolveProperties(sc, key); | |
| 2985 value = resolveProperties(sc, value); | |
| 2986 | |
| 2987 if (!tkey) | |
| 2988 tkey = key->type; | |
| 2989 else | |
| 2990 key = key->implicitCastTo(sc, tkey); | |
| 2991 keys->data[i] = (void *)key; | |
| 2992 | |
| 2993 if (!tvalue) | |
| 2994 tvalue = value->type; | |
| 2995 else | |
| 2996 value = value->implicitCastTo(sc, tvalue); | |
| 2997 values->data[i] = (void *)value; | |
| 2998 } | |
| 2999 | |
| 3000 if (!tkey) | |
| 3001 tkey = Type::tvoid; | |
| 3002 if (!tvalue) | |
| 3003 tvalue = Type::tvoid; | |
| 3004 type = new TypeAArray(tvalue, tkey); | |
| 3005 type = type->semantic(loc, sc); | |
| 3006 return this; | |
| 3007 } | |
| 3008 | |
| 3009 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3010 { int f = 0; | |
| 3011 | |
| 3012 for (size_t i = 0; i < keys->dim; i++) | |
| 3013 { Expression *key = (Expression *)keys->data[i]; | |
| 3014 Expression *value = (Expression *)values->data[i]; | |
| 3015 | |
| 3016 f |= key->checkSideEffect(2); | |
| 3017 f |= value->checkSideEffect(2); | |
| 3018 } | |
| 3019 if (flag == 0 && f == 0) | |
| 3020 Expression::checkSideEffect(0); | |
| 3021 return f; | |
| 3022 } | |
| 3023 | |
| 3024 int AssocArrayLiteralExp::isBool(int result) | |
| 3025 { | |
| 3026 size_t dim = keys->dim; | |
| 3027 return result ? (dim != 0) : (dim == 0); | |
| 3028 } | |
| 3029 | |
|
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3030 #if DMDV2 |
|
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|
3031 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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|
3032 { |
|
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diff
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|
3033 return 1; |
|
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diff
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|
3034 } |
|
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parents:
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|
3035 #endif |
|
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diff
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|
3036 |
| 159 | 3037 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3038 { | |
| 3039 buf->writeByte('['); | |
| 3040 for (size_t i = 0; i < keys->dim; i++) | |
| 3041 { Expression *key = (Expression *)keys->data[i]; | |
| 3042 Expression *value = (Expression *)values->data[i]; | |
| 3043 | |
| 3044 if (i) | |
| 3045 buf->writeByte(','); | |
| 3046 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3047 buf->writeByte(':'); | |
| 3048 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3049 } | |
| 3050 buf->writeByte(']'); | |
| 3051 } | |
| 3052 | |
| 3053 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3054 { | |
| 3055 size_t dim = keys->dim; | |
| 3056 buf->printf("A%u", dim); | |
| 3057 for (size_t i = 0; i < dim; i++) | |
| 3058 { Expression *key = (Expression *)keys->data[i]; | |
| 3059 Expression *value = (Expression *)values->data[i]; | |
| 3060 | |
| 3061 key->toMangleBuffer(buf); | |
| 3062 value->toMangleBuffer(buf); | |
| 3063 } | |
| 3064 } | |
| 3065 | |
| 3066 /************************ StructLiteralExp ************************************/ | |
| 3067 | |
| 3068 // sd( e1, e2, e3, ... ) | |
| 3069 | |
| 3070 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3071 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3072 { | |
| 3073 this->sd = sd; | |
| 3074 this->elements = elements; | |
|
1146
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parents:
1133
diff
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|
3075 #if IN_DMD |
| 159 | 3076 this->sym = NULL; |
|
1146
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diff
changeset
|
3077 #endif |
| 159 | 3078 this->soffset = 0; |
| 3079 this->fillHoles = 1; | |
| 3080 } | |
| 3081 | |
| 3082 Expression *StructLiteralExp::syntaxCopy() | |
| 3083 { | |
| 3084 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3085 } | |
| 3086 | |
| 3087 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3088 { Expression *e; | |
| 3089 | |
| 3090 #if LOGSEMANTIC | |
| 3091 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3092 #endif | |
|
510
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diff
changeset
|
3093 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3094 return this; |
| 159 | 3095 |
| 3096 // Run semantic() on each element | |
| 3097 for (size_t i = 0; i < elements->dim; i++) | |
| 3098 { e = (Expression *)elements->data[i]; | |
| 3099 if (!e) | |
| 3100 continue; | |
| 3101 e = e->semantic(sc); | |
| 3102 elements->data[i] = (void *)e; | |
| 3103 } | |
| 3104 expandTuples(elements); | |
| 3105 size_t offset = 0; | |
| 3106 for (size_t i = 0; i < elements->dim; i++) | |
| 3107 { e = (Expression *)elements->data[i]; | |
| 3108 if (!e) | |
| 3109 continue; | |
| 3110 | |
| 3111 if (!e->type) | |
| 3112 error("%s has no value", e->toChars()); | |
| 3113 e = resolveProperties(sc, e); | |
| 3114 if (i >= sd->fields.dim) | |
| 3115 { error("more initializers than fields of %s", sd->toChars()); | |
| 3116 break; | |
| 3117 } | |
| 3118 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3119 VarDeclaration *v = s->isVarDeclaration(); | |
| 3120 assert(v); | |
| 3121 if (v->offset < offset) | |
| 3122 error("overlapping initialization for %s", v->toChars()); | |
| 3123 offset = v->offset + v->type->size(); | |
| 3124 | |
| 3125 Type *telem = v->type; | |
| 3126 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3127 { /* Static array initialization, as in: | |
| 3128 * T[3][5] = e; | |
| 3129 */ | |
| 3130 telem = telem->toBasetype()->nextOf(); | |
| 3131 } | |
| 3132 | |
| 3133 e = e->implicitCastTo(sc, telem); | |
| 3134 | |
| 3135 elements->data[i] = (void *)e; | |
| 3136 } | |
| 3137 | |
| 3138 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3139 */ | |
| 3140 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3141 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3142 VarDeclaration *v = s->isVarDeclaration(); | |
| 3143 assert(v); | |
| 3144 | |
| 3145 if (v->offset < offset) | |
| 3146 { e = NULL; | |
| 3147 sd->hasUnions = 1; | |
| 3148 } | |
| 3149 else | |
| 3150 { | |
| 3151 if (v->init) | |
| 3152 { e = v->init->toExpression(); | |
| 3153 if (!e) | |
| 3154 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3155 } | |
| 3156 else | |
| 3157 { e = v->type->defaultInit(); | |
| 3158 e->loc = loc; | |
| 3159 } | |
| 3160 offset = v->offset + v->type->size(); | |
| 3161 } | |
| 3162 elements->push(e); | |
| 3163 } | |
| 3164 | |
| 3165 type = sd->type; | |
| 3166 return this; | |
| 3167 } | |
| 3168 | |
| 3169 /************************************** | |
| 3170 * Gets expression at offset of type. | |
| 3171 * Returns NULL if not found. | |
| 3172 */ | |
| 3173 | |
| 3174 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3175 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3176 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
3177 // /*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
|
3178 Expression *e = NULL; |
| 159 | 3179 int i = getFieldIndex(type, offset); |
| 3180 | |
| 3181 if (i != -1) | |
|
510
6aee82889553
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parents:
486
diff
changeset
|
3182 { |
|
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3183 //printf("\ti = %d\n", i); |
|
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parents:
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diff
changeset
|
3184 assert(i < elements->dim); |
|
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diff
changeset
|
3185 e = (Expression *)elements->data[i]; |
| 159 | 3186 if (e) |
| 3187 { | |
| 3188 e = e->copy(); | |
| 3189 e->type = type; | |
| 3190 } | |
| 3191 } | |
| 3192 return e; | |
| 3193 } | |
| 3194 | |
| 3195 /************************************ | |
| 3196 * Get index of field. | |
| 3197 * Returns -1 if not found. | |
| 3198 */ | |
| 3199 | |
| 3200 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3201 { | |
| 3202 /* Find which field offset is by looking at the field offsets | |
| 3203 */ | |
| 3204 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3205 { | |
| 3206 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3207 VarDeclaration *v = s->isVarDeclaration(); | |
| 3208 assert(v); | |
| 3209 | |
| 3210 if (offset == v->offset && | |
| 3211 type->size() == v->type->size()) | |
| 3212 { Expression *e = (Expression *)elements->data[i]; | |
| 3213 if (e) | |
| 3214 { | |
| 3215 return i; | |
| 3216 } | |
| 3217 break; | |
| 3218 } | |
| 3219 } | |
| 3220 return -1; | |
| 3221 } | |
| 3222 | |
|
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diff
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|
3223 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3224 int StructLiteralExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3225 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3226 return 1; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3227 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3228 #endif |
| 159 | 3229 |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3230 /* |
|
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
Christian Kamm <kamm incasoftware de>
parents:
1151
diff
changeset
|
3231 Removed in LDC. See declaration. |
| 159 | 3232 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) |
| 3233 { | |
| 3234 return this; | |
| 3235 } | |
|
1168
ab186e535e72
A different fix to #218 and DMD2682 that does not lead to constant folding regressions.
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parents:
1151
diff
changeset
|
3236 */ |
| 159 | 3237 |
| 3238 | |
| 3239 int StructLiteralExp::checkSideEffect(int flag) | |
| 3240 { int f = 0; | |
| 3241 | |
| 3242 for (size_t i = 0; i < elements->dim; i++) | |
| 3243 { Expression *e = (Expression *)elements->data[i]; | |
| 3244 if (!e) | |
| 3245 continue; | |
| 3246 | |
| 3247 f |= e->checkSideEffect(2); | |
| 3248 } | |
| 3249 if (flag == 0 && f == 0) | |
| 3250 Expression::checkSideEffect(0); | |
| 3251 return f; | |
| 3252 } | |
| 3253 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3254 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3255 int StructLiteralExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3256 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3257 return arrayExpressionCanThrow(elements); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3258 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3259 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3260 |
| 159 | 3261 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3262 { | |
| 3263 buf->writestring(sd->toChars()); | |
| 3264 buf->writeByte('('); | |
| 3265 argsToCBuffer(buf, elements, hgs); | |
| 3266 buf->writeByte(')'); | |
| 3267 } | |
| 3268 | |
| 3269 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3270 { | |
| 3271 size_t dim = elements ? elements->dim : 0; | |
| 3272 buf->printf("S%u", dim); | |
| 3273 for (size_t i = 0; i < dim; i++) | |
| 3274 { Expression *e = (Expression *)elements->data[i]; | |
| 3275 if (e) | |
| 3276 e->toMangleBuffer(buf); | |
| 3277 else | |
| 3278 buf->writeByte('v'); // 'v' for void | |
| 3279 } | |
| 3280 } | |
| 3281 | |
| 3282 /************************ TypeDotIdExp ************************************/ | |
| 3283 | |
| 3284 /* Things like: | |
| 3285 * int.size | |
| 3286 * foo.size | |
| 3287 * (foo).size | |
| 3288 * cast(foo).size | |
| 3289 */ | |
| 3290 | |
| 3291 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3292 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3293 { | |
| 3294 this->type = type; | |
| 3295 this->ident = ident; | |
| 3296 } | |
| 3297 | |
| 3298 Expression *TypeDotIdExp::syntaxCopy() | |
| 3299 { | |
| 3300 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3301 return te; | |
| 3302 } | |
| 3303 | |
| 3304 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3305 { Expression *e; | |
| 3306 | |
| 3307 #if LOGSEMANTIC | |
| 3308 printf("TypeDotIdExp::semantic()\n"); | |
| 3309 #endif | |
| 3310 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3311 e = e->semantic(sc); | |
| 3312 return e; | |
| 3313 } | |
| 3314 | |
| 3315 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3316 { | |
| 3317 buf->writeByte('('); | |
| 3318 type->toCBuffer(buf, NULL, hgs); | |
| 3319 buf->writeByte(')'); | |
| 3320 buf->writeByte('.'); | |
| 3321 buf->writestring(ident->toChars()); | |
| 3322 } | |
| 3323 | |
| 3324 /************************************************************/ | |
| 3325 | |
| 3326 // Mainly just a placeholder | |
| 3327 | |
| 3328 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3329 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3330 { | |
| 3331 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3332 this->type = type; | |
| 3333 } | |
| 3334 | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3335 Expression *TypeExp::syntaxCopy() |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3336 { |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3337 //printf("TypeExp::syntaxCopy()\n"); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3338 return new TypeExp(loc, type->syntaxCopy()); |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3339 } |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3340 |
| 159 | 3341 Expression *TypeExp::semantic(Scope *sc) |
| 3342 { | |
| 3343 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3344 type = type->semantic(loc, sc); | |
| 3345 return this; | |
| 3346 } | |
| 3347 | |
| 3348 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3349 { | |
| 3350 type->toCBuffer(buf, NULL, hgs); | |
| 3351 } | |
| 3352 | |
| 3353 /************************************************************/ | |
| 3354 | |
| 3355 // Mainly just a placeholder | |
| 3356 | |
| 3357 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3358 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3359 { | |
| 3360 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3361 //static int count; if (++count == 38) *(char*)0=0; | |
| 3362 this->sds = pkg; | |
| 3363 } | |
| 3364 | |
| 3365 Expression *ScopeExp::syntaxCopy() | |
| 3366 { | |
| 3367 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3368 return se; | |
| 3369 } | |
| 3370 | |
| 3371 Expression *ScopeExp::semantic(Scope *sc) | |
| 3372 { | |
| 3373 TemplateInstance *ti; | |
| 3374 ScopeDsymbol *sds2; | |
| 3375 | |
| 3376 #if LOGSEMANTIC | |
| 3377 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3378 #endif | |
| 3379 Lagain: | |
| 3380 ti = sds->isTemplateInstance(); | |
| 3381 if (ti && !global.errors) | |
| 3382 { Dsymbol *s; | |
| 3383 if (!ti->semanticdone) | |
| 3384 ti->semantic(sc); | |
| 3385 s = ti->inst->toAlias(); | |
| 3386 sds2 = s->isScopeDsymbol(); | |
| 3387 if (!sds2) | |
| 3388 { Expression *e; | |
| 3389 | |
| 3390 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3391 if (ti->withsym) | |
| 3392 { | |
| 3393 // Same as wthis.s | |
| 3394 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3395 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3396 } | |
| 3397 else | |
| 3398 e = new DsymbolExp(loc, s); | |
| 3399 e = e->semantic(sc); | |
| 3400 //printf("-1ScopeExp::semantic()\n"); | |
| 3401 return e; | |
| 3402 } | |
| 3403 if (sds2 != sds) | |
| 3404 { | |
| 3405 sds = sds2; | |
| 3406 goto Lagain; | |
| 3407 } | |
| 3408 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3409 } | |
| 3410 else | |
| 3411 { | |
| 3412 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3413 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3414 sds->semantic(sc); | |
| 3415 } | |
| 3416 type = Type::tvoid; | |
| 3417 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3418 return this; | |
| 3419 } | |
| 3420 | |
| 3421 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3422 { | |
| 3423 if (sds->isTemplateInstance()) | |
| 3424 { | |
| 3425 sds->toCBuffer(buf, hgs); | |
| 3426 } | |
| 3427 else | |
| 3428 { | |
| 3429 buf->writestring(sds->kind()); | |
| 3430 buf->writestring(" "); | |
| 3431 buf->writestring(sds->toChars()); | |
| 3432 } | |
| 3433 } | |
| 3434 | |
| 3435 /********************** TemplateExp **************************************/ | |
| 3436 | |
| 3437 // Mainly just a placeholder | |
| 3438 | |
| 3439 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3440 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3441 { | |
| 3442 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3443 this->td = td; | |
| 3444 } | |
| 3445 | |
| 3446 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3447 { | |
| 3448 buf->writestring(td->toChars()); | |
| 3449 } | |
| 3450 | |
| 3451 void TemplateExp::rvalue() | |
| 3452 { | |
| 3453 error("template %s has no value", toChars()); | |
| 3454 } | |
| 3455 | |
| 3456 /********************** NewExp **************************************/ | |
| 3457 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3458 /* thisexp.new(newargs) newtype(arguments) */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3459 |
| 159 | 3460 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, |
| 3461 Type *newtype, Expressions *arguments) | |
| 3462 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3463 { | |
| 3464 this->thisexp = thisexp; | |
| 3465 this->newargs = newargs; | |
| 3466 this->newtype = newtype; | |
| 3467 this->arguments = arguments; | |
| 3468 member = NULL; | |
| 3469 allocator = NULL; | |
| 3470 onstack = 0; | |
| 3471 } | |
| 3472 | |
| 3473 Expression *NewExp::syntaxCopy() | |
| 3474 { | |
| 3475 return new NewExp(loc, | |
| 3476 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3477 arraySyntaxCopy(newargs), | |
| 3478 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3479 } | |
| 3480 | |
| 3481 | |
| 3482 Expression *NewExp::semantic(Scope *sc) | |
| 3483 { int i; | |
| 3484 Type *tb; | |
| 3485 ClassDeclaration *cdthis = NULL; | |
| 3486 | |
| 3487 #if LOGSEMANTIC | |
| 3488 printf("NewExp::semantic() %s\n", toChars()); | |
| 3489 if (thisexp) | |
| 3490 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3491 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3492 #endif | |
| 3493 if (type) // if semantic() already run | |
| 3494 return this; | |
| 3495 | |
| 3496 Lagain: | |
| 3497 if (thisexp) | |
| 3498 { thisexp = thisexp->semantic(sc); | |
| 3499 cdthis = thisexp->type->isClassHandle(); | |
| 3500 if (cdthis) | |
| 3501 { | |
| 3502 sc = sc->push(cdthis); | |
| 3503 type = newtype->semantic(loc, sc); | |
| 3504 sc = sc->pop(); | |
| 3505 } | |
| 3506 else | |
| 3507 { | |
| 3508 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3509 type = newtype->semantic(loc, sc); | |
| 3510 } | |
| 3511 } | |
| 3512 else | |
| 3513 type = newtype->semantic(loc, sc); | |
| 3514 newtype = type; // in case type gets cast to something else | |
| 3515 tb = type->toBasetype(); | |
| 3516 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3517 | |
| 3518 arrayExpressionSemantic(newargs, sc); | |
| 3519 preFunctionArguments(loc, sc, newargs); | |
| 3520 arrayExpressionSemantic(arguments, sc); | |
| 3521 preFunctionArguments(loc, sc, arguments); | |
| 3522 | |
| 3523 if (thisexp && tb->ty != Tclass) | |
| 3524 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3525 | |
| 3526 if (tb->ty == Tclass) | |
| 3527 { TypeFunction *tf; | |
| 3528 | |
| 3529 TypeClass *tc = (TypeClass *)(tb); | |
| 3530 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3531 if (cd->isInterfaceDeclaration()) | |
| 3532 error("cannot create instance of interface %s", cd->toChars()); | |
| 3533 else if (cd->isAbstract()) | |
| 3534 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3535 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3536 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3537 if (fd && fd->isAbstract()) | |
| 3538 error("function %s is abstract", fd->toChars()); | |
| 3539 } | |
| 3540 } | |
| 3541 checkDeprecated(sc, cd); | |
| 3542 if (cd->isNested()) | |
| 3543 { /* We need a 'this' pointer for the nested class. | |
| 3544 * Ensure we have the right one. | |
| 3545 */ | |
| 3546 Dsymbol *s = cd->toParent2(); | |
| 3547 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
|
3548 FuncDeclaration *fdn = s->isFuncDeclaration(); |
| 159 | 3549 |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3550 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3551 if (cdn) |
| 3552 { | |
| 3553 if (!cdthis) | |
| 3554 { | |
| 3555 // Supply an implicit 'this' and try again | |
| 3556 thisexp = new ThisExp(loc); | |
| 3557 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3558 { if (!sp) | |
| 3559 { | |
| 3560 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3561 break; | |
| 3562 } | |
| 3563 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3564 if (!cdp) | |
| 3565 continue; | |
| 3566 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3567 break; | |
| 3568 // Add a '.outer' and try again | |
| 3569 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3570 } | |
| 3571 if (!global.errors) | |
| 3572 goto Lagain; | |
| 3573 } | |
| 3574 if (cdthis) | |
| 3575 { | |
| 3576 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3577 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3578 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3579 } | |
| 3580 #if 0 | |
| 3581 else | |
| 3582 { | |
| 3583 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3584 { | |
| 3585 if (!sf) | |
| 3586 { | |
| 3587 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3588 break; | |
| 3589 } | |
| 3590 printf("sf = %s\n", sf->toChars()); | |
| 3591 AggregateDeclaration *ad = sf->isThis(); | |
| 3592 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3593 break; | |
| 3594 } | |
| 3595 } | |
| 3596 #endif | |
| 3597 } | |
| 3598 else if (thisexp) | |
| 3599 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
|
3600 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
|
3601 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3602 // 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
|
3603 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
|
3604 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3605 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
|
3606 break; |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3607 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
|
3608 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
|
3609 { |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3610 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
|
3611 break; |
|
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 |
|
8aebdf56c455
Move check for access of context for nested class from backend into frontend.
Christian Kamm <kamm incasoftware de>
parents:
599
diff
changeset
|
3615 } |
| 159 | 3616 } |
| 3617 else if (thisexp) | |
| 3618 error("e.new is only for allocating nested classes"); | |
| 3619 | |
| 3620 FuncDeclaration *f = cd->ctor; | |
| 3621 if (f) | |
| 3622 { | |
| 3623 assert(f); | |
| 3624 f = f->overloadResolve(loc, arguments); | |
| 3625 checkDeprecated(sc, f); | |
| 3626 member = f->isCtorDeclaration(); | |
| 3627 assert(member); | |
| 3628 | |
| 3629 cd->accessCheck(loc, sc, member); | |
| 3630 | |
| 3631 tf = (TypeFunction *)f->type; | |
| 3632 type = tf->next; | |
| 3633 | |
| 3634 if (!arguments) | |
| 3635 arguments = new Expressions(); | |
| 3636 functionArguments(loc, sc, tf, arguments); | |
| 3637 } | |
| 3638 else | |
| 3639 { | |
| 3640 if (arguments && arguments->dim) | |
| 3641 error("no constructor for %s", cd->toChars()); | |
| 3642 } | |
| 3643 | |
| 3644 if (cd->aggNew) | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3645 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
3646 // Prepend the size argument to newargs[] |
|
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
|
3647 Expression *e = new IntegerExp(loc, cd->size(loc), Type::tsize_t); |
| 159 | 3648 if (!newargs) |
| 3649 newargs = new Expressions(); | |
| 3650 newargs->shift(e); | |
| 3651 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3652 f = cd->aggNew->overloadResolve(loc, newargs); |
| 159 | 3653 allocator = f->isNewDeclaration(); |
| 3654 assert(allocator); | |
| 3655 | |
| 3656 tf = (TypeFunction *)f->type; | |
| 3657 functionArguments(loc, sc, tf, newargs); | |
| 3658 } | |
| 3659 else | |
| 3660 { | |
| 3661 if (newargs && newargs->dim) | |
| 3662 error("no allocator for %s", cd->toChars()); | |
| 3663 } | |
| 3664 } | |
| 3665 else if (tb->ty == Tstruct) | |
| 3666 { | |
| 3667 TypeStruct *ts = (TypeStruct *)tb; | |
| 3668 StructDeclaration *sd = ts->sym; | |
| 3669 FuncDeclaration *f = sd->aggNew; | |
| 3670 TypeFunction *tf; | |
| 3671 | |
| 3672 if (arguments && arguments->dim) | |
| 3673 error("no constructor for %s", type->toChars()); | |
| 3674 | |
| 3675 if (f) | |
| 3676 { | |
| 3677 Expression *e; | |
| 3678 | |
| 3679 // Prepend the uint size argument to newargs[] | |
| 3680 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3681 if (!newargs) | |
| 3682 newargs = new Expressions(); | |
| 3683 newargs->shift(e); | |
| 3684 | |
| 3685 f = f->overloadResolve(loc, newargs); | |
| 3686 allocator = f->isNewDeclaration(); | |
| 3687 assert(allocator); | |
| 3688 | |
| 3689 tf = (TypeFunction *)f->type; | |
| 3690 functionArguments(loc, sc, tf, newargs); | |
| 3691 | |
| 3692 e = new VarExp(loc, f); | |
| 3693 e = new CallExp(loc, e, newargs); | |
| 3694 e = e->semantic(sc); | |
| 3695 e->type = type->pointerTo(); | |
| 3696 return e; | |
| 3697 } | |
| 3698 | |
| 3699 type = type->pointerTo(); | |
| 3700 } | |
| 3701 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3702 { | |
| 3703 for (size_t i = 0; i < arguments->dim; i++) | |
| 3704 { | |
| 3705 if (tb->ty != Tarray) | |
| 3706 { error("too many arguments for array"); | |
| 3707 arguments->dim = i; | |
| 3708 break; | |
| 3709 } | |
| 3710 | |
| 3711 Expression *arg = (Expression *)arguments->data[i]; | |
| 3712 arg = resolveProperties(sc, arg); | |
| 3713 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3714 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3715 error("negative array index %s", arg->toChars()); | |
| 3716 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
|
3717 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3718 } |
| 3719 } | |
| 3720 else if (tb->isscalar()) | |
| 3721 { | |
| 3722 if (arguments && arguments->dim) | |
| 3723 error("no constructor for %s", type->toChars()); | |
| 3724 | |
| 3725 type = type->pointerTo(); | |
| 3726 } | |
| 3727 else | |
| 3728 { | |
| 3729 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3730 type = type->pointerTo(); | |
| 3731 } | |
| 3732 | |
| 3733 //printf("NewExp: '%s'\n", toChars()); | |
| 3734 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3735 | |
| 3736 return this; | |
| 3737 } | |
| 3738 | |
| 3739 int NewExp::checkSideEffect(int flag) | |
| 3740 { | |
| 3741 return 1; | |
| 3742 } | |
| 3743 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3744 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3745 int NewExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3746 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3747 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3748 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3749 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3750 |
| 159 | 3751 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3752 { int i; | |
| 3753 | |
| 3754 if (thisexp) | |
| 3755 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3756 buf->writeByte('.'); | |
| 3757 } | |
| 3758 buf->writestring("new "); | |
| 3759 if (newargs && newargs->dim) | |
| 3760 { | |
| 3761 buf->writeByte('('); | |
| 3762 argsToCBuffer(buf, newargs, hgs); | |
| 3763 buf->writeByte(')'); | |
| 3764 } | |
| 3765 newtype->toCBuffer(buf, NULL, hgs); | |
| 3766 if (arguments && arguments->dim) | |
| 3767 { | |
| 3768 buf->writeByte('('); | |
| 3769 argsToCBuffer(buf, arguments, hgs); | |
| 3770 buf->writeByte(')'); | |
| 3771 } | |
| 3772 } | |
| 3773 | |
| 3774 /********************** NewAnonClassExp **************************************/ | |
| 3775 | |
| 3776 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3777 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3778 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3779 { | |
| 3780 this->thisexp = thisexp; | |
| 3781 this->newargs = newargs; | |
| 3782 this->cd = cd; | |
| 3783 this->arguments = arguments; | |
| 3784 } | |
| 3785 | |
| 3786 Expression *NewAnonClassExp::syntaxCopy() | |
| 3787 { | |
| 3788 return new NewAnonClassExp(loc, | |
| 3789 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3790 arraySyntaxCopy(newargs), | |
| 3791 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3792 arraySyntaxCopy(arguments)); | |
| 3793 } | |
| 3794 | |
| 3795 | |
| 3796 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3797 { | |
| 3798 #if LOGSEMANTIC | |
| 3799 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3800 //printf("thisexp = %p\n", thisexp); |
| 159 | 3801 //printf("type: %s\n", type->toChars()); |
| 3802 #endif | |
| 3803 | |
| 3804 Expression *d = new DeclarationExp(loc, cd); | |
| 3805 d = d->semantic(sc); | |
| 3806 | |
| 3807 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3808 | |
| 3809 Expression *c = new CommaExp(loc, d, n); | |
| 3810 return c->semantic(sc); | |
| 3811 } | |
| 3812 | |
| 3813 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3814 { | |
| 3815 return 1; | |
| 3816 } | |
| 3817 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3818 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3819 int NewAnonClassExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3820 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3821 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3822 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3823 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3824 |
| 159 | 3825 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3826 { int i; | |
| 3827 | |
| 3828 if (thisexp) | |
| 3829 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3830 buf->writeByte('.'); | |
| 3831 } | |
| 3832 buf->writestring("new"); | |
| 3833 if (newargs && newargs->dim) | |
| 3834 { | |
| 3835 buf->writeByte('('); | |
| 3836 argsToCBuffer(buf, newargs, hgs); | |
| 3837 buf->writeByte(')'); | |
| 3838 } | |
| 3839 buf->writestring(" class "); | |
| 3840 if (arguments && arguments->dim) | |
| 3841 { | |
| 3842 buf->writeByte('('); | |
| 3843 argsToCBuffer(buf, arguments, hgs); | |
| 3844 buf->writeByte(')'); | |
| 3845 } | |
| 3846 //buf->writestring(" { }"); | |
| 3847 if (cd) | |
| 3848 { | |
| 3849 cd->toCBuffer(buf, hgs); | |
| 3850 } | |
| 3851 } | |
| 3852 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3853 /********************** SymbolExp **************************************/ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3854 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3855 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3856 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
|
3857 : Expression(loc, op, size) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3858 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3859 assert(var); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3860 this->var = var; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3861 this->hasOverloads = hasOverloads; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3862 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3863 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3864 |
| 159 | 3865 /********************** SymOffExp **************************************/ |
| 3866 | |
| 3867 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3868 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3869 { | |
| 3870 assert(var); | |
| 3871 this->var = var; | |
| 3872 this->offset = offset; | |
| 3873 VarDeclaration *v = var->isVarDeclaration(); | |
| 3874 if (v && v->needThis()) | |
| 3875 error("need 'this' for address of %s", v->toChars()); | |
| 3876 } | |
| 3877 | |
| 3878 Expression *SymOffExp::semantic(Scope *sc) | |
| 3879 { | |
| 3880 #if LOGSEMANTIC | |
| 3881 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3882 #endif | |
| 3883 //var->semantic(sc); | |
| 3884 if (!type) | |
| 3885 type = var->type->pointerTo(); | |
| 3886 VarDeclaration *v = var->isVarDeclaration(); | |
| 3887 if (v) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
3888 v->checkNestedReference(sc, loc); |
| 159 | 3889 return this; |
| 3890 } | |
| 3891 | |
| 3892 int SymOffExp::isBool(int result) | |
| 3893 { | |
| 3894 return result ? TRUE : FALSE; | |
| 3895 } | |
| 3896 | |
| 3897 void SymOffExp::checkEscape() | |
| 3898 { | |
| 3899 VarDeclaration *v = var->isVarDeclaration(); | |
| 3900 if (v) | |
| 3901 { | |
| 3902 if (!v->isDataseg()) | |
| 3903 error("escaping reference to local variable %s", v->toChars()); | |
| 3904 } | |
| 3905 } | |
| 3906 | |
| 3907 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3908 { | |
| 3909 if (offset) | |
| 3910 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3911 else | |
| 3912 buf->printf("& %s", var->toChars()); | |
| 3913 } | |
| 3914 | |
| 3915 /******************************** VarExp **************************/ | |
| 3916 | |
| 3917 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3918 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3919 { | |
| 3920 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3921 this->var = var; | |
| 3922 this->type = var->type; | |
| 3923 } | |
| 3924 | |
| 3925 int VarExp::equals(Object *o) | |
| 3926 { VarExp *ne; | |
| 3927 | |
| 3928 if (this == o || | |
| 3929 (((Expression *)o)->op == TOKvar && | |
| 3930 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3931 var == ne->var)) | |
| 3932 return 1; | |
| 3933 return 0; | |
| 3934 } | |
| 3935 | |
| 3936 Expression *VarExp::semantic(Scope *sc) | |
| 3937 { FuncLiteralDeclaration *fd; | |
| 3938 | |
| 3939 #if LOGSEMANTIC | |
| 3940 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3941 #endif | |
| 3942 if (!type) | |
| 3943 { type = var->type; | |
| 3944 #if 0 | |
| 3945 if (var->storage_class & STClazy) | |
| 3946 { | |
| 3947 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3948 type = new TypeDelegate(tf); | |
| 3949 type = type->semantic(loc, sc); | |
| 3950 } | |
| 3951 #endif | |
| 3952 } | |
|
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|
3953 /* Fix for 1161 doesn't work because it causes protection |
|
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|
3954 * problems when instantiating imported templates passing private |
|
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Merged DMD 1.038
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diff
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|
3955 * variables as alias template parameters. |
|
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Merged DMD 1.038
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diff
changeset
|
3956 */ |
|
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Merged DMD 1.038
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diff
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|
3957 //accessCheck(loc, sc, NULL, var); |
| 159 | 3958 |
| 3959 VarDeclaration *v = var->isVarDeclaration(); | |
| 3960 if (v) | |
| 3961 { | |
| 3962 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3963 { | |
| 3964 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3965 if (ei) | |
| 3966 { | |
| 3967 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3968 return ei->exp->implicitCastTo(sc, type); | |
| 3969 } | |
| 3970 } | |
| 3971 v->checkNestedReference(sc, loc); | |
|
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|
3972 #if DMDV2 |
|
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Merged DMD 1.038
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diff
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|
3973 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
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Merged DMD 1.038
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parents:
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diff
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|
3974 { |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
3975 if (v->isDataseg() && !v->isInvariant()) |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3976 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
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|
3977 } |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
3978 #endif |
| 159 | 3979 } |
| 3980 #if 0 | |
| 3981 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3982 { Expression *e; | |
| 3983 e = new FuncExp(loc, fd); | |
| 3984 e->type = type; | |
| 3985 return e; | |
| 3986 } | |
| 3987 #endif | |
| 3988 return this; | |
| 3989 } | |
| 3990 | |
| 3991 char *VarExp::toChars() | |
| 3992 { | |
| 3993 return var->toChars(); | |
| 3994 } | |
| 3995 | |
| 3996 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3997 { | |
| 3998 buf->writestring(var->toChars()); | |
| 3999 } | |
| 4000 | |
| 4001 void VarExp::checkEscape() | |
| 4002 { | |
| 4003 VarDeclaration *v = var->isVarDeclaration(); | |
| 4004 if (v) | |
| 4005 { Type *tb = v->type->toBasetype(); | |
| 4006 // if reference type | |
| 4007 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 4008 { | |
| 4009 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 4010 error("escaping reference to auto local %s", v->toChars()); | |
| 4011 else if (v->storage_class & STCvariadic) | |
| 4012 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 4013 } | |
| 4014 } | |
| 4015 } | |
| 4016 | |
|
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Merged DMD 1.038
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|
4017 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
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|
4018 int VarExp::isLvalue() |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4019 { |
|
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Merged DMD 1.038
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parents:
846
diff
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|
4020 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
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diff
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|
4021 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4022 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4023 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4024 #endif |
|
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Merged DMD 1.038
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parents:
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diff
changeset
|
4025 |
| 159 | 4026 Expression *VarExp::toLvalue(Scope *sc, Expression *e) |
| 4027 { | |
| 4028 #if 0 | |
| 4029 tym = tybasic(e1->ET->Tty); | |
| 4030 if (!(tyscalar(tym) || | |
| 4031 tym == TYstruct || | |
| 4032 tym == TYarray && e->Eoper == TOKaddr)) | |
| 4033 synerr(EM_lvalue); // lvalue expected | |
| 4034 #endif | |
| 4035 if (var->storage_class & STClazy) | |
| 4036 error("lazy variables cannot be lvalues"); | |
| 4037 return this; | |
| 4038 } | |
| 4039 | |
| 4040 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 4041 { | |
| 4042 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 4043 if (sc->incontract && var->isParameter()) | |
| 4044 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 4045 | |
| 4046 if (type && type->toBasetype()->ty == Tsarray) | |
| 4047 error("cannot change reference to static array '%s'", var->toChars()); | |
| 4048 | |
| 4049 VarDeclaration *v = var->isVarDeclaration(); | |
| 4050 if (v && v->canassign == 0 && | |
| 4051 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 4052 error("cannot modify final variable '%s'", var->toChars()); | |
| 4053 | |
| 4054 if (var->isCtorinit()) | |
| 4055 { // It's only modifiable if inside the right constructor | |
| 4056 Dsymbol *s = sc->func; | |
| 4057 while (1) | |
| 4058 { | |
| 4059 FuncDeclaration *fd = NULL; | |
| 4060 if (s) | |
| 4061 fd = s->isFuncDeclaration(); | |
| 4062 if (fd && | |
| 4063 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 4064 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 4065 fd->toParent() == var->toParent() | |
| 4066 ) | |
| 4067 { | |
| 4068 VarDeclaration *v = var->isVarDeclaration(); | |
| 4069 assert(v); | |
| 4070 v->ctorinit = 1; | |
| 4071 //printf("setting ctorinit\n"); | |
| 4072 } | |
| 4073 else | |
| 4074 { | |
| 4075 if (s) | |
| 4076 { s = s->toParent2(); | |
| 4077 continue; | |
| 4078 } | |
| 4079 else | |
| 4080 { | |
| 4081 const char *p = var->isStatic() ? "static " : ""; | |
| 4082 error("can only initialize %sconst %s inside %sconstructor", | |
| 4083 p, var->toChars(), p); | |
| 4084 } | |
| 4085 } | |
| 4086 break; | |
| 4087 } | |
| 4088 } | |
| 4089 | |
| 4090 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 4091 return toLvalue(sc, e); | |
| 4092 } | |
| 4093 | |
| 4094 | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
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|
4095 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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486
diff
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|
4096 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4097 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
4098 OverExp::OverExp(OverloadSet *s) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
4099 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
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diff
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|
4100 { |
|
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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
|
4101 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
4102 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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changeset
|
4103 type = Type::tvoid; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4106 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
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|
4107 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4108 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
|
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 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4111 Expression *OverExp::toLvalue(Scope *sc, Expression *e) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4112 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4113 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
|
4114 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4115 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4116 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
4117 |
| 159 | 4118 /******************************** TupleExp **************************/ |
| 4119 | |
| 4120 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 4121 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4122 { | |
| 4123 //printf("TupleExp(this = %p)\n", this); | |
| 4124 this->exps = exps; | |
| 4125 this->type = NULL; | |
| 4126 } | |
| 4127 | |
| 4128 | |
| 4129 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 4130 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 4131 { | |
| 4132 exps = new Expressions(); | |
| 4133 type = NULL; | |
| 4134 | |
| 4135 exps->reserve(tup->objects->dim); | |
| 4136 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 4137 { Object *o = (Object *)tup->objects->data[i]; | |
| 4138 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 4139 { | |
| 4140 Expression *e = (Expression *)o; | |
| 4141 e = e->syntaxCopy(); | |
| 4142 exps->push(e); | |
| 4143 } | |
| 4144 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 4145 { | |
| 4146 Dsymbol *s = (Dsymbol *)o; | |
| 4147 Expression *e = new DsymbolExp(loc, s); | |
| 4148 exps->push(e); | |
| 4149 } | |
| 4150 else if (o->dyncast() == DYNCAST_TYPE) | |
| 4151 { | |
| 4152 Type *t = (Type *)o; | |
| 4153 Expression *e = new TypeExp(loc, t); | |
| 4154 exps->push(e); | |
| 4155 } | |
| 4156 else | |
| 4157 { | |
| 4158 error("%s is not an expression", o->toChars()); | |
| 4159 } | |
| 4160 } | |
| 4161 } | |
| 4162 | |
| 4163 int TupleExp::equals(Object *o) | |
| 4164 { TupleExp *ne; | |
| 4165 | |
| 4166 if (this == o) | |
| 4167 return 1; | |
| 4168 if (((Expression *)o)->op == TOKtuple) | |
| 4169 { | |
| 4170 TupleExp *te = (TupleExp *)o; | |
| 4171 if (exps->dim != te->exps->dim) | |
| 4172 return 0; | |
| 4173 for (size_t i = 0; i < exps->dim; i++) | |
| 4174 { Expression *e1 = (Expression *)exps->data[i]; | |
| 4175 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 4176 | |
| 4177 if (!e1->equals(e2)) | |
| 4178 return 0; | |
| 4179 } | |
| 4180 return 1; | |
| 4181 } | |
| 4182 return 0; | |
| 4183 } | |
| 4184 | |
| 4185 Expression *TupleExp::syntaxCopy() | |
| 4186 { | |
| 4187 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 4188 } | |
| 4189 | |
| 4190 Expression *TupleExp::semantic(Scope *sc) | |
| 4191 { | |
| 4192 #if LOGSEMANTIC | |
| 4193 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 4194 #endif | |
| 4195 if (type) | |
| 4196 return this; | |
| 4197 | |
| 4198 // Run semantic() on each argument | |
| 4199 for (size_t i = 0; i < exps->dim; i++) | |
| 4200 { Expression *e = (Expression *)exps->data[i]; | |
| 4201 | |
| 4202 e = e->semantic(sc); | |
| 4203 if (!e->type) | |
| 4204 { error("%s has no value", e->toChars()); | |
| 4205 e->type = Type::terror; | |
| 4206 } | |
| 4207 exps->data[i] = (void *)e; | |
| 4208 } | |
| 4209 | |
| 4210 expandTuples(exps); | |
| 4211 if (0 && exps->dim == 1) | |
| 4212 { | |
| 4213 return (Expression *)exps->data[0]; | |
| 4214 } | |
| 4215 type = new TypeTuple(exps); | |
| 4216 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 4217 return this; | |
| 4218 } | |
| 4219 | |
| 4220 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4221 { | |
| 4222 buf->writestring("tuple("); | |
| 4223 argsToCBuffer(buf, exps, hgs); | |
| 4224 buf->writeByte(')'); | |
| 4225 } | |
| 4226 | |
| 4227 int TupleExp::checkSideEffect(int flag) | |
| 4228 { int f = 0; | |
| 4229 | |
| 4230 for (int i = 0; i < exps->dim; i++) | |
| 4231 { Expression *e = (Expression *)exps->data[i]; | |
| 4232 | |
| 4233 f |= e->checkSideEffect(2); | |
| 4234 } | |
| 4235 if (flag == 0 && f == 0) | |
| 4236 Expression::checkSideEffect(0); | |
| 4237 return f; | |
| 4238 } | |
| 4239 | |
|
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|
4240 #if DMDV2 |
|
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Merged DMD 1.038
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diff
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|
4241 int TupleExp::canThrow() |
|
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|
4242 { |
|
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Merged DMD 1.038
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diff
changeset
|
4243 return arrayExpressionCanThrow(exps); |
|
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Merged DMD 1.038
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846
diff
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|
4244 } |
|
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diff
changeset
|
4245 #endif |
|
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|
4246 |
| 159 | 4247 void TupleExp::checkEscape() |
| 4248 { | |
| 4249 for (size_t i = 0; i < exps->dim; i++) | |
| 4250 { Expression *e = (Expression *)exps->data[i]; | |
| 4251 e->checkEscape(); | |
| 4252 } | |
| 4253 } | |
| 4254 | |
| 4255 /******************************** FuncExp *********************************/ | |
| 4256 | |
| 4257 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4258 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4259 { | |
| 4260 this->fd = fd; | |
| 4261 } | |
| 4262 | |
| 4263 Expression *FuncExp::syntaxCopy() | |
| 4264 { | |
| 4265 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4266 } | |
| 4267 | |
| 4268 Expression *FuncExp::semantic(Scope *sc) | |
| 4269 { | |
| 4270 #if LOGSEMANTIC | |
| 4271 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4272 #endif | |
| 4273 if (!type) | |
| 4274 { | |
| 4275 fd->semantic(sc); | |
| 4276 fd->parent = sc->parent; | |
| 4277 if (global.errors) | |
| 4278 { | |
| 4279 if (!fd->type->next) | |
| 4280 fd->type->next = Type::terror; | |
| 4281 } | |
| 4282 else | |
| 4283 { | |
| 4284 fd->semantic2(sc); | |
| 4285 if (!global.errors) | |
| 4286 { | |
| 4287 fd->semantic3(sc); | |
| 4288 | |
| 4289 if (!global.errors && global.params.useInline) | |
| 4290 fd->inlineScan(); | |
| 4291 } | |
| 4292 } | |
| 4293 | |
| 4294 // Type is a "delegate to" or "pointer to" the function literal | |
| 4295 if (fd->isNested()) | |
| 4296 { | |
| 4297 type = new TypeDelegate(fd->type); | |
| 4298 type = type->semantic(loc, sc); | |
| 4299 } | |
| 4300 else | |
| 4301 { | |
| 4302 type = fd->type->pointerTo(); | |
| 4303 } | |
| 4304 } | |
| 4305 return this; | |
| 4306 } | |
| 4307 | |
| 4308 char *FuncExp::toChars() | |
| 4309 { | |
| 4310 return fd->toChars(); | |
| 4311 } | |
| 4312 | |
| 4313 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4314 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4315 fd->toCBuffer(buf, hgs); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
4316 //buf->writestring(fd->toChars()); |
| 159 | 4317 } |
| 4318 | |
| 4319 | |
| 4320 /******************************** DeclarationExp **************************/ | |
| 4321 | |
| 4322 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4323 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4324 { | |
| 4325 this->declaration = declaration; | |
| 4326 } | |
| 4327 | |
| 4328 Expression *DeclarationExp::syntaxCopy() | |
| 4329 { | |
| 4330 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4331 } | |
| 4332 | |
| 4333 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4334 { | |
| 4335 if (type) | |
| 4336 return this; | |
| 4337 | |
| 4338 #if LOGSEMANTIC | |
| 4339 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4340 #endif | |
| 4341 | |
| 4342 /* This is here to support extern(linkage) declaration, | |
| 4343 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4344 * wrapper. | |
| 4345 */ | |
| 4346 Dsymbol *s = declaration; | |
| 4347 | |
| 4348 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4349 if (ad) | |
| 4350 { | |
| 4351 if (ad->decl && ad->decl->dim == 1) | |
| 4352 s = (Dsymbol *)ad->decl->data[0]; | |
| 4353 } | |
| 4354 | |
| 4355 if (s->isVarDeclaration()) | |
| 4356 { // Do semantic() on initializer first, so: | |
| 4357 // int a = a; | |
| 4358 // will be illegal. | |
| 4359 declaration->semantic(sc); | |
| 4360 s->parent = sc->parent; | |
| 4361 } | |
| 4362 | |
| 4363 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4364 // Insert into both local scope and function scope. | |
| 4365 // Must be unique in both. | |
| 4366 if (s->ident) | |
| 4367 { | |
| 4368 if (!sc->insert(s)) | |
| 4369 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4370 else if (sc->func) | |
| 4371 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4372 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4373 !sc->func->localsymtab->insert(s)) | |
| 4374 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4375 else if (!global.params.useDeprecated) | |
| 4376 { // Disallow shadowing | |
| 4377 | |
| 4378 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4379 { Dsymbol *s2; | |
| 4380 | |
| 4381 if (scx->scopesym && scx->scopesym->symtab && | |
| 4382 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4383 s != s2) | |
| 4384 { | |
| 4385 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4386 } | |
| 4387 } | |
| 4388 } | |
| 4389 } | |
| 4390 } | |
| 4391 if (!s->isVarDeclaration()) | |
| 4392 { | |
| 4393 declaration->semantic(sc); | |
| 4394 s->parent = sc->parent; | |
| 4395 } | |
| 4396 if (!global.errors) | |
| 4397 { | |
| 4398 declaration->semantic2(sc); | |
| 4399 if (!global.errors) | |
| 4400 { | |
| 4401 declaration->semantic3(sc); | |
| 4402 | |
| 4403 if (!global.errors && global.params.useInline) | |
| 4404 declaration->inlineScan(); | |
| 4405 } | |
| 4406 } | |
| 4407 | |
| 4408 type = Type::tvoid; | |
| 4409 return this; | |
| 4410 } | |
| 4411 | |
| 4412 int DeclarationExp::checkSideEffect(int flag) | |
| 4413 { | |
| 4414 return 1; | |
| 4415 } | |
| 4416 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4417 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4418 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 return ie && ie->exp->canThrow(); |
|
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 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4427 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4428 |
| 159 | 4429 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4430 { | |
| 4431 declaration->toCBuffer(buf, hgs); | |
| 4432 } | |
| 4433 | |
| 4434 | |
| 4435 /************************ TypeidExp ************************************/ | |
| 4436 | |
| 4437 /* | |
| 4438 * typeid(int) | |
| 4439 */ | |
| 4440 | |
| 4441 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4442 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4443 { | |
| 4444 this->typeidType = typeidType; | |
| 4445 } | |
| 4446 | |
| 4447 | |
| 4448 Expression *TypeidExp::syntaxCopy() | |
| 4449 { | |
| 4450 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4451 } | |
| 4452 | |
| 4453 | |
| 4454 Expression *TypeidExp::semantic(Scope *sc) | |
| 4455 { Expression *e; | |
| 4456 | |
| 4457 #if LOGSEMANTIC | |
| 4458 printf("TypeidExp::semantic()\n"); | |
| 4459 #endif | |
| 4460 typeidType = typeidType->semantic(loc, sc); | |
| 4461 e = typeidType->getTypeInfo(sc); | |
| 336 | 4462 if (e->loc.linnum == 0) |
| 4463 e->loc = loc; // so there's at least some line number info | |
| 159 | 4464 return e; |
| 4465 } | |
| 4466 | |
| 4467 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4468 { | |
| 4469 buf->writestring("typeid("); | |
| 4470 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4471 buf->writeByte(')'); | |
| 4472 } | |
| 4473 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4474 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4475 #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
|
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 * __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
|
4478 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4480 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
|
4481 : 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
|
4482 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4483 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
|
4484 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
|
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 |
|
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 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
|
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 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
|
4491 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4493 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4494 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
|
4495 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4496 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
|
4497 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
|
4498 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
|
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 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
|
4501 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4502 buf->writeByte(','); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4503 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
|
4504 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
|
4505 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4506 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4507 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
|
4508 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4509 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4510 |
| 159 | 4511 /************************************************************/ |
| 4512 | |
| 4513 HaltExp::HaltExp(Loc loc) | |
| 4514 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4515 { | |
| 4516 } | |
| 4517 | |
| 4518 Expression *HaltExp::semantic(Scope *sc) | |
| 4519 { | |
| 4520 #if LOGSEMANTIC | |
| 4521 printf("HaltExp::semantic()\n"); | |
| 4522 #endif | |
| 4523 type = Type::tvoid; | |
| 4524 return this; | |
| 4525 } | |
| 4526 | |
| 4527 int HaltExp::checkSideEffect(int flag) | |
| 4528 { | |
| 4529 return 1; | |
| 4530 } | |
| 4531 | |
| 4532 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4533 { | |
| 4534 buf->writestring("halt"); | |
| 4535 } | |
| 4536 | |
| 4537 /************************************************************/ | |
| 4538 | |
| 4539 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4540 Type *tspec, enum TOK tok2) | |
| 4541 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4542 { | |
| 4543 this->targ = targ; | |
| 4544 this->id = id; | |
| 4545 this->tok = tok; | |
| 4546 this->tspec = tspec; | |
| 4547 this->tok2 = tok2; | |
| 4548 } | |
| 4549 | |
| 4550 Expression *IsExp::syntaxCopy() | |
| 4551 { | |
| 4552 return new IsExp(loc, | |
| 4553 targ->syntaxCopy(), | |
| 4554 id, | |
| 4555 tok, | |
| 4556 tspec ? tspec->syntaxCopy() : NULL, | |
| 4557 tok2); | |
| 4558 } | |
| 4559 | |
| 4560 Expression *IsExp::semantic(Scope *sc) | |
| 4561 { Type *tded; | |
| 4562 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4563 /* 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
|
4564 * 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
|
4565 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4566 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4567 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4568 if (id && !(sc->flags & SCOPEstaticif)) |
| 4569 error("can only declare type aliases within static if conditionals"); | |
| 4570 | |
| 4571 unsigned errors_save = global.errors; | |
| 4572 global.errors = 0; | |
| 4573 global.gag++; // suppress printing of error messages | |
| 4574 targ = targ->semantic(loc, sc); | |
| 4575 global.gag--; | |
| 4576 unsigned gerrors = global.errors; | |
| 4577 global.errors = errors_save; | |
| 4578 | |
| 4579 if (gerrors) // if any errors happened | |
| 4580 { // then condition is false | |
| 4581 goto Lno; | |
| 4582 } | |
| 4583 else if (tok2 != TOKreserved) | |
| 4584 { | |
| 4585 switch (tok2) | |
| 4586 { | |
| 4587 case TOKtypedef: | |
| 4588 if (targ->ty != Ttypedef) | |
| 4589 goto Lno; | |
| 4590 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4591 break; | |
| 4592 | |
| 4593 case TOKstruct: | |
| 4594 if (targ->ty != Tstruct) | |
| 4595 goto Lno; | |
| 4596 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4597 goto Lno; | |
| 4598 tded = targ; | |
| 4599 break; | |
| 4600 | |
| 4601 case TOKunion: | |
| 4602 if (targ->ty != Tstruct) | |
| 4603 goto Lno; | |
| 4604 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4605 goto Lno; | |
| 4606 tded = targ; | |
| 4607 break; | |
| 4608 | |
| 4609 case TOKclass: | |
| 4610 if (targ->ty != Tclass) | |
| 4611 goto Lno; | |
| 4612 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4613 goto Lno; | |
| 4614 tded = targ; | |
| 4615 break; | |
| 4616 | |
| 4617 case TOKinterface: | |
| 4618 if (targ->ty != Tclass) | |
| 4619 goto Lno; | |
| 4620 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4621 goto Lno; | |
| 4622 tded = targ; | |
| 4623 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
|
4624 #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
|
4625 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
|
4626 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
|
4627 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
|
4628 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
|
4629 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4630 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4631 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4632 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
|
4633 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
|
4634 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
|
4635 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
|
4636 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4637 #endif |
| 159 | 4638 |
| 4639 case TOKsuper: | |
| 4640 // If class or interface, get the base class and interfaces | |
| 4641 if (targ->ty != Tclass) | |
| 4642 goto Lno; | |
| 4643 else | |
| 4644 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4645 Arguments *args = new Arguments; | |
| 4646 args->reserve(cd->baseclasses.dim); | |
| 4647 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4648 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4649 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4650 } | |
| 4651 tded = new TypeTuple(args); | |
| 4652 } | |
| 4653 break; | |
| 4654 | |
| 4655 case TOKenum: | |
| 4656 if (targ->ty != Tenum) | |
| 4657 goto Lno; | |
| 4658 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4659 break; | |
| 4660 | |
| 4661 case TOKdelegate: | |
| 4662 if (targ->ty != Tdelegate) | |
| 4663 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
|
4664 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4665 break; |
| 4666 | |
| 4667 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
|
4668 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4669 if (targ->ty != Tfunction) |
| 159 | 4670 goto Lno; |
| 4671 tded = targ; | |
| 4672 | |
| 4673 /* Generate tuple from function parameter types. | |
| 4674 */ | |
| 4675 assert(tded->ty == Tfunction); | |
| 4676 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4677 size_t dim = Argument::dim(params); | |
| 4678 Arguments *args = new Arguments; | |
| 4679 args->reserve(dim); | |
| 4680 for (size_t i = 0; i < dim; i++) | |
| 4681 { Argument *arg = Argument::getNth(params, i); | |
| 4682 assert(arg && arg->type); | |
| 4683 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4684 } | |
| 4685 tded = new TypeTuple(args); | |
| 4686 break; | |
| 4687 } | |
| 4688 case TOKreturn: | |
| 4689 /* Get the 'return type' for the function, | |
| 4690 * delegate, or pointer to function. | |
| 4691 */ | |
| 4692 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
|
4693 tded = ((TypeFunction *)targ)->next; |
| 159 | 4694 else if (targ->ty == Tdelegate) |
| 4695 tded = targ->next->next; | |
| 4696 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4697 tded = targ->next->next; | |
| 4698 else | |
| 4699 goto Lno; | |
| 4700 break; | |
| 4701 | |
| 4702 default: | |
| 4703 assert(0); | |
| 4704 } | |
| 4705 goto Lyes; | |
| 4706 } | |
| 4707 else if (id && tspec) | |
| 4708 { | |
| 4709 /* Evaluate to TRUE if targ matches tspec. | |
| 4710 * If TRUE, declare id as an alias for the specialized type. | |
| 4711 */ | |
| 4712 | |
| 4713 MATCH m; | |
| 4714 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4715 | |
| 4716 TemplateParameters parameters; | |
| 4717 parameters.setDim(1); | |
| 4718 parameters.data[0] = (void *)&tp; | |
| 4719 | |
| 4720 Objects dedtypes; | |
| 4721 dedtypes.setDim(1); | |
| 4722 dedtypes.data[0] = NULL; | |
| 4723 | |
| 4724 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4725 if (m == MATCHnomatch || | |
| 4726 (m != MATCHexact && tok == TOKequal)) | |
| 4727 goto Lno; | |
| 4728 else | |
| 4729 { | |
| 4730 assert(dedtypes.dim == 1); | |
| 4731 tded = (Type *)dedtypes.data[0]; | |
| 4732 if (!tded) | |
| 4733 tded = targ; | |
| 4734 goto Lyes; | |
| 4735 } | |
| 4736 } | |
| 4737 else if (id) | |
| 4738 { | |
| 4739 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4740 */ | |
| 4741 tded = targ; | |
| 4742 goto Lyes; | |
| 4743 } | |
| 4744 else if (tspec) | |
| 4745 { | |
| 4746 /* Evaluate to TRUE if targ matches tspec | |
| 4747 */ | |
| 4748 tspec = tspec->semantic(loc, sc); | |
| 4749 //printf("targ = %s\n", targ->toChars()); | |
| 4750 //printf("tspec = %s\n", tspec->toChars()); | |
| 4751 if (tok == TOKcolon) | |
| 4752 { if (targ->implicitConvTo(tspec)) | |
| 4753 goto Lyes; | |
| 4754 else | |
| 4755 goto Lno; | |
| 4756 } | |
| 4757 else /* == */ | |
| 4758 { if (targ->equals(tspec)) | |
| 4759 goto Lyes; | |
| 4760 else | |
| 4761 goto Lno; | |
| 4762 } | |
| 4763 } | |
| 4764 | |
| 4765 Lyes: | |
| 4766 if (id) | |
| 4767 { | |
| 4768 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4769 s->semantic(sc); | |
| 4770 sc->insert(s); | |
| 4771 if (sc->sd) | |
| 4772 s->addMember(sc, sc->sd, 1); | |
| 4773 } | |
| 4774 return new IntegerExp(1); | |
| 4775 | |
| 4776 Lno: | |
| 4777 return new IntegerExp(0); | |
| 4778 } | |
| 4779 | |
| 4780 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4781 { | |
| 4782 buf->writestring("is("); | |
| 4783 targ->toCBuffer(buf, id, hgs); | |
| 4784 if (tok2 != TOKreserved) | |
| 4785 { | |
| 4786 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4787 } | |
| 4788 else if (tspec) | |
| 4789 { | |
| 4790 if (tok == TOKcolon) | |
| 4791 buf->writestring(" : "); | |
| 4792 else | |
| 4793 buf->writestring(" == "); | |
| 4794 tspec->toCBuffer(buf, NULL, hgs); | |
| 4795 } | |
| 336 | 4796 #if DMDV2 |
| 159 | 4797 if (parameters) |
| 4798 { // First parameter is already output, so start with second | |
| 4799 for (int i = 1; i < parameters->dim; i++) | |
| 4800 { | |
| 4801 buf->writeByte(','); | |
| 4802 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4803 tp->toCBuffer(buf, hgs); | |
| 4804 } | |
| 4805 } | |
| 4806 #endif | |
| 4807 buf->writeByte(')'); | |
| 4808 } | |
| 4809 | |
| 4810 | |
| 4811 /************************************************************/ | |
| 4812 | |
| 4813 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4814 : Expression(loc, op, size) | |
| 4815 { | |
| 4816 this->e1 = e1; | |
| 4817 } | |
| 4818 | |
| 4819 Expression *UnaExp::syntaxCopy() | |
| 4820 { UnaExp *e; | |
| 4821 | |
| 4822 e = (UnaExp *)copy(); | |
| 4823 e->type = NULL; | |
| 4824 e->e1 = e->e1->syntaxCopy(); | |
| 4825 return e; | |
| 4826 } | |
| 4827 | |
| 4828 Expression *UnaExp::semantic(Scope *sc) | |
| 4829 { | |
| 4830 #if LOGSEMANTIC | |
| 4831 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4832 #endif | |
| 4833 e1 = e1->semantic(sc); | |
| 4834 // if (!e1->type) | |
| 4835 // error("%s has no value", e1->toChars()); | |
| 4836 return this; | |
| 4837 } | |
| 4838 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4839 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4840 int UnaExp::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 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4843 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4844 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4845 |
| 159 | 4846 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4847 { | |
| 4848 buf->writestring(Token::toChars(op)); | |
| 4849 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4850 } | |
| 4851 | |
| 4852 /************************************************************/ | |
| 4853 | |
| 4854 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4855 : Expression(loc, op, size) | |
| 4856 { | |
| 4857 this->e1 = e1; | |
| 4858 this->e2 = e2; | |
| 4859 } | |
| 4860 | |
| 4861 Expression *BinExp::syntaxCopy() | |
| 4862 { BinExp *e; | |
| 4863 | |
| 4864 e = (BinExp *)copy(); | |
| 4865 e->type = NULL; | |
| 4866 e->e1 = e->e1->syntaxCopy(); | |
| 4867 e->e2 = e->e2->syntaxCopy(); | |
| 4868 return e; | |
| 4869 } | |
| 4870 | |
| 4871 Expression *BinExp::semantic(Scope *sc) | |
| 4872 { | |
| 4873 #if LOGSEMANTIC | |
| 4874 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4875 #endif | |
| 4876 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4877 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4878 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4879 { |
| 4880 error("%s has no value", e1->toChars()); | |
| 4881 e1->type = Type::terror; | |
| 4882 } | |
| 4883 e2 = e2->semantic(sc); | |
| 4884 if (!e2->type) | |
| 4885 { | |
| 4886 error("%s has no value", e2->toChars()); | |
| 4887 e2->type = Type::terror; | |
| 4888 } | |
| 4889 return this; | |
| 4890 } | |
| 4891 | |
| 4892 Expression *BinExp::semanticp(Scope *sc) | |
| 4893 { | |
| 4894 BinExp::semantic(sc); | |
| 4895 e1 = resolveProperties(sc, e1); | |
| 4896 e2 = resolveProperties(sc, e2); | |
| 4897 return this; | |
| 4898 } | |
| 4899 | |
| 4900 /*************************** | |
| 4901 * Common semantic routine for some xxxAssignExp's. | |
| 4902 */ | |
| 4903 | |
| 4904 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4905 { Expression *e; | |
| 4906 | |
| 4907 if (!type) | |
| 4908 { | |
| 4909 BinExp::semantic(sc); | |
| 4910 e2 = resolveProperties(sc, e2); | |
| 4911 | |
| 4912 e = op_overload(sc); | |
| 4913 if (e) | |
| 4914 return e; | |
| 4915 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4916 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
|
4917 { // 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
|
4918 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
|
4919 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
|
4920 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
|
4921 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4922 |
| 159 | 4923 e1 = e1->modifiableLvalue(sc, e1); |
| 4924 e1->checkScalar(); | |
| 4925 type = e1->type; | |
| 4926 if (type->toBasetype()->ty == Tbool) | |
| 4927 { | |
| 4928 error("operator not allowed on bool expression %s", toChars()); | |
| 4929 } | |
| 4930 typeCombine(sc); | |
| 4931 e1->checkArithmetic(); | |
| 4932 e2->checkArithmetic(); | |
| 4933 | |
| 4934 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4935 { error("cannot perform modulo complex arithmetic"); | |
| 4936 return new IntegerExp(0); | |
| 4937 } | |
| 4938 } | |
| 4939 return this; | |
| 4940 } | |
| 4941 | |
| 4942 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4943 { Expression *e; | |
| 4944 | |
| 4945 if (!type) | |
| 4946 { | |
| 4947 BinExp::semantic(sc); | |
| 4948 e2 = resolveProperties(sc, e2); | |
| 4949 | |
| 4950 e = op_overload(sc); | |
| 4951 if (e) | |
| 4952 return e; | |
| 4953 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4954 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
|
4955 { // 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
|
4956 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
|
4957 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
|
4958 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
|
4959 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4960 |
| 159 | 4961 e1 = e1->modifiableLvalue(sc, e1); |
| 4962 e1->checkScalar(); | |
| 4963 type = e1->type; | |
| 4964 if (type->toBasetype()->ty == Tbool) | |
| 4965 { | |
| 4966 e2 = e2->implicitCastTo(sc, type); | |
| 4967 } | |
| 4968 | |
| 4969 typeCombine(sc); | |
| 4970 e1->checkIntegral(); | |
| 4971 e2->checkIntegral(); | |
| 4972 } | |
| 4973 return this; | |
| 4974 } | |
| 4975 | |
| 4976 int BinExp::checkSideEffect(int flag) | |
| 4977 { | |
| 4978 if (op == TOKplusplus || | |
| 4979 op == TOKminusminus || | |
| 4980 op == TOKassign || | |
| 4981 op == TOKconstruct || | |
| 4982 op == TOKblit || | |
| 4983 op == TOKaddass || | |
| 4984 op == TOKminass || | |
| 4985 op == TOKcatass || | |
| 4986 op == TOKmulass || | |
| 4987 op == TOKdivass || | |
| 4988 op == TOKmodass || | |
| 4989 op == TOKshlass || | |
| 4990 op == TOKshrass || | |
| 4991 op == TOKushrass || | |
| 4992 op == TOKandass || | |
| 4993 op == TOKorass || | |
| 4994 op == TOKxorass || | |
| 4995 op == TOKin || | |
| 4996 op == TOKremove) | |
| 4997 return 1; | |
| 4998 return Expression::checkSideEffect(flag); | |
| 4999 } | |
| 5000 | |
| 5001 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5002 { | |
| 5003 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5004 buf->writeByte(' '); | |
| 5005 buf->writestring(Token::toChars(op)); | |
| 5006 buf->writeByte(' '); | |
| 5007 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5008 } | |
| 5009 | |
| 5010 int BinExp::isunsigned() | |
| 5011 { | |
| 5012 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5013 } | |
| 5014 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5015 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5016 int BinExp::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 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5019 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5020 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5021 |
| 159 | 5022 void BinExp::incompatibleTypes() |
| 5023 { | |
| 5024 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5025 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5026 e1->type->toChars(), e2->type->toChars()); | |
| 5027 } | |
| 5028 | |
| 5029 /************************************************************/ | |
| 5030 | |
| 5031 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5032 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5033 { | |
| 5034 } | |
| 5035 | |
| 5036 Expression *CompileExp::semantic(Scope *sc) | |
| 5037 { | |
| 5038 #if LOGSEMANTIC | |
| 5039 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5040 #endif | |
| 5041 UnaExp::semantic(sc); | |
| 5042 e1 = resolveProperties(sc, e1); | |
| 5043 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5044 if (e1->op != TOKstring) | |
| 5045 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5046 type = Type::terror; | |
| 5047 return this; | |
| 5048 } | |
| 5049 StringExp *se = (StringExp *)e1; | |
| 5050 se = se->toUTF8(sc); | |
| 5051 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5052 p.loc = loc; | |
| 5053 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5054 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5055 Expression *e = p.parseExpression(); |
| 5056 if (p.token.value != TOKeof) | |
| 5057 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5058 return e->semantic(sc); | |
| 5059 } | |
| 5060 | |
| 5061 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5062 { | |
| 5063 buf->writestring("mixin("); | |
| 5064 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5065 buf->writeByte(')'); | |
| 5066 } | |
| 5067 | |
| 5068 /************************************************************/ | |
| 5069 | |
| 5070 FileExp::FileExp(Loc loc, Expression *e) | |
| 5071 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5072 { | |
| 5073 } | |
| 5074 | |
| 5075 Expression *FileExp::semantic(Scope *sc) | |
| 5076 { char *name; | |
| 5077 StringExp *se; | |
| 5078 | |
| 5079 #if LOGSEMANTIC | |
| 5080 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5081 #endif | |
| 5082 UnaExp::semantic(sc); | |
| 5083 e1 = resolveProperties(sc, e1); | |
| 5084 e1 = e1->optimize(WANTvalue); | |
| 5085 if (e1->op != TOKstring) | |
| 5086 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5087 goto Lerror; | |
| 5088 } | |
| 5089 se = (StringExp *)e1; | |
| 5090 se = se->toUTF8(sc); | |
| 5091 name = (char *)se->string; | |
| 5092 | |
| 5093 if (!global.params.fileImppath) | |
| 5094 { error("need -Jpath switch to import text file %s", name); | |
| 5095 goto Lerror; | |
| 5096 } | |
| 5097 | |
| 5098 if (name != FileName::name(name)) | |
| 5099 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5100 goto Lerror; | |
| 5101 } | |
| 5102 | |
| 5103 name = FileName::searchPath(global.filePath, name, 0); | |
| 5104 if (!name) | |
| 5105 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5106 goto Lerror; | |
| 5107 } | |
| 5108 | |
| 5109 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5110 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5111 |
| 5112 { File f(name); | |
| 5113 if (f.read()) | |
| 5114 { error("cannot read file %s", f.toChars()); | |
| 5115 goto Lerror; | |
| 5116 } | |
| 5117 else | |
| 5118 { | |
| 5119 f.ref = 1; | |
| 5120 se = new StringExp(loc, f.buffer, f.len); | |
| 5121 } | |
| 5122 } | |
| 5123 Lret: | |
| 5124 return se->semantic(sc); | |
| 5125 | |
| 5126 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5127 se = new StringExp(loc, (char *)""); |
| 159 | 5128 goto Lret; |
| 5129 } | |
| 5130 | |
| 5131 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5132 { | |
| 5133 buf->writestring("import("); | |
| 5134 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5135 buf->writeByte(')'); | |
| 5136 } | |
| 5137 | |
| 5138 /************************************************************/ | |
| 5139 | |
| 5140 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5141 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5142 { | |
| 5143 this->msg = msg; | |
| 5144 } | |
| 5145 | |
| 5146 Expression *AssertExp::syntaxCopy() | |
| 5147 { | |
| 5148 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5149 msg ? msg->syntaxCopy() : NULL); | |
| 5150 return ae; | |
| 5151 } | |
| 5152 | |
| 5153 Expression *AssertExp::semantic(Scope *sc) | |
| 5154 { | |
| 5155 #if LOGSEMANTIC | |
| 5156 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5157 #endif | |
| 5158 UnaExp::semantic(sc); | |
| 5159 e1 = resolveProperties(sc, e1); | |
| 5160 // BUG: see if we can do compile time elimination of the Assert | |
| 5161 e1 = e1->optimize(WANTvalue); | |
| 5162 e1 = e1->checkToBoolean(); | |
| 5163 if (msg) | |
| 5164 { | |
| 5165 msg = msg->semantic(sc); | |
| 5166 msg = resolveProperties(sc, msg); | |
| 5167 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5168 msg = msg->optimize(WANTvalue); | |
| 5169 } | |
| 5170 if (e1->isBool(FALSE)) | |
| 5171 { | |
| 5172 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5173 fd->hasReturnExp |= 4; | |
| 5174 | |
| 5175 if (!global.params.useAssert) | |
| 5176 { Expression *e = new HaltExp(loc); | |
| 5177 e = e->semantic(sc); | |
| 5178 return e; | |
| 5179 } | |
| 5180 } | |
| 5181 type = Type::tvoid; | |
| 5182 return this; | |
| 5183 } | |
| 5184 | |
| 5185 int AssertExp::checkSideEffect(int flag) | |
| 5186 { | |
| 5187 return 1; | |
| 5188 } | |
| 5189 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5190 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5191 int AssertExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5192 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5193 return (global.params.useAssert != 0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5194 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5195 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5196 |
| 159 | 5197 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5198 { | |
| 5199 buf->writestring("assert("); | |
| 5200 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5201 if (msg) | |
| 5202 { | |
| 5203 buf->writeByte(','); | |
| 5204 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5205 } | |
| 5206 buf->writeByte(')'); | |
| 5207 } | |
| 5208 | |
| 5209 /************************************************************/ | |
| 5210 | |
| 5211 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5212 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5213 { | |
| 5214 this->ident = ident; | |
| 5215 } | |
| 5216 | |
| 5217 Expression *DotIdExp::semantic(Scope *sc) | |
| 5218 { Expression *e; | |
| 5219 Expression *eleft; | |
| 5220 Expression *eright; | |
| 5221 | |
| 5222 #if LOGSEMANTIC | |
| 5223 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5224 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5225 #endif | |
| 5226 | |
| 5227 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5228 | |
| 5229 #if 0 | |
| 5230 /* Don't do semantic analysis if we'll be converting | |
| 5231 * it to a string. | |
| 5232 */ | |
| 5233 if (ident == Id::stringof) | |
| 5234 { char *s = e1->toChars(); | |
| 5235 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5236 e = e->semantic(sc); | |
| 5237 return e; | |
| 5238 } | |
| 5239 #endif | |
| 5240 | |
| 5241 /* Special case: rewrite this.id and super.id | |
| 5242 * to be classtype.id and baseclasstype.id | |
| 5243 * if we have no this pointer. | |
| 5244 */ | |
| 5245 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5246 { ClassDeclaration *cd; | |
| 5247 StructDeclaration *sd; | |
| 5248 AggregateDeclaration *ad; | |
| 5249 | |
| 5250 ad = sc->getStructClassScope(); | |
| 5251 if (ad) | |
| 5252 { | |
| 5253 cd = ad->isClassDeclaration(); | |
| 5254 if (cd) | |
| 5255 { | |
| 5256 if (e1->op == TOKthis) | |
| 5257 { | |
| 5258 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5259 return e->semantic(sc); | |
| 5260 } | |
| 5261 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5262 { | |
| 5263 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5264 return e->semantic(sc); | |
| 5265 } | |
| 5266 } | |
| 5267 else | |
| 5268 { | |
| 5269 sd = ad->isStructDeclaration(); | |
| 5270 if (sd) | |
| 5271 { | |
| 5272 if (e1->op == TOKthis) | |
| 5273 { | |
| 5274 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5275 return e->semantic(sc); | |
| 5276 } | |
| 5277 } | |
| 5278 } | |
| 5279 } | |
| 5280 } | |
| 5281 | |
| 5282 UnaExp::semantic(sc); | |
| 5283 | |
| 5284 if (e1->op == TOKdotexp) | |
| 5285 { | |
| 5286 DotExp *de = (DotExp *)e1; | |
| 5287 eleft = de->e1; | |
| 5288 eright = de->e2; | |
| 5289 } | |
| 5290 else | |
| 5291 { | |
| 5292 e1 = resolveProperties(sc, e1); | |
| 5293 eleft = NULL; | |
| 5294 eright = e1; | |
| 5295 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5296 #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
|
5297 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
|
5298 { /* '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
|
5299 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5300 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
|
5301 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
|
5302 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
|
5303 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
|
5304 { 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
|
5305 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
|
5306 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
|
5307 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
|
5308 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5309 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
|
5310 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
|
5311 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
|
5312 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5313 #endif |
| 159 | 5314 |
| 5315 if (e1->op == TOKtuple && ident == Id::length) | |
| 5316 { | |
| 5317 TupleExp *te = (TupleExp *)e1; | |
| 5318 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5319 return e; | |
| 5320 } | |
| 5321 | |
| 5322 if (eright->op == TOKimport) // also used for template alias's | |
| 5323 { | |
| 5324 ScopeExp *ie = (ScopeExp *)eright; | |
| 5325 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5326 /* 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
|
5327 * 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
|
5328 * 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
|
5329 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5330 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
|
5331 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5332 if (s) |
| 5333 { | |
| 5334 s = s->toAlias(); | |
| 5335 checkDeprecated(sc, s); | |
| 5336 | |
| 5337 EnumMember *em = s->isEnumMember(); | |
| 5338 if (em) | |
| 5339 { | |
| 5340 e = em->value; | |
| 5341 e = e->semantic(sc); | |
| 5342 return e; | |
| 5343 } | |
| 5344 | |
| 5345 VarDeclaration *v = s->isVarDeclaration(); | |
| 5346 if (v) | |
| 5347 { | |
| 5348 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5349 if (v->inuse) | |
| 5350 { | |
| 5351 error("circular reference to '%s'", v->toChars()); | |
| 5352 type = Type::tint32; | |
| 5353 return this; | |
| 5354 } | |
| 5355 type = v->type; | |
| 5356 if (v->isConst()) | |
| 5357 { | |
| 5358 if (v->init) | |
| 5359 { | |
| 5360 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5361 if (ei) | |
| 5362 { | |
| 5363 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5364 //ei->exp = ei->exp->semantic(sc); | |
| 5365 if (ei->exp->type == type) | |
| 5366 { | |
| 5367 e = ei->exp->copy(); // make copy so we can change loc | |
| 5368 e->loc = loc; | |
| 5369 return e; | |
| 5370 } | |
| 5371 } | |
| 5372 } | |
| 5373 else if (type->isscalar()) | |
| 5374 { | |
| 5375 e = type->defaultInit(); | |
| 5376 e->loc = loc; | |
| 5377 return e; | |
| 5378 } | |
| 5379 } | |
| 5380 if (v->needThis()) | |
| 5381 { | |
| 5382 if (!eleft) | |
| 5383 eleft = new ThisExp(loc); | |
| 5384 e = new DotVarExp(loc, eleft, v); | |
| 5385 e = e->semantic(sc); | |
| 5386 } | |
| 5387 else | |
| 5388 { | |
| 5389 e = new VarExp(loc, v); | |
| 5390 if (eleft) | |
| 5391 { e = new CommaExp(loc, eleft, e); | |
| 5392 e->type = v->type; | |
| 5393 } | |
| 5394 } | |
| 5395 return e->deref(); | |
| 5396 } | |
| 5397 | |
| 5398 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5399 if (f) | |
| 5400 { | |
| 5401 //printf("it's a function\n"); | |
| 5402 if (f->needThis()) | |
| 5403 { | |
| 5404 if (!eleft) | |
| 5405 eleft = new ThisExp(loc); | |
| 5406 e = new DotVarExp(loc, eleft, f); | |
| 5407 e = e->semantic(sc); | |
| 5408 } | |
| 5409 else | |
| 5410 { | |
| 5411 e = new VarExp(loc, f); | |
| 5412 if (eleft) | |
| 5413 { e = new CommaExp(loc, eleft, e); | |
| 5414 e->type = f->type; | |
| 5415 } | |
| 5416 } | |
| 5417 return e; | |
| 5418 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5419 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5420 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5421 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5422 { //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
|
5423 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5424 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5425 #endif |
| 159 | 5426 |
| 5427 Type *t = s->getType(); | |
| 5428 if (t) | |
| 5429 { | |
| 5430 return new TypeExp(loc, t); | |
| 5431 } | |
| 5432 | |
| 336 | 5433 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5434 if (tup) | |
| 5435 { | |
| 5436 if (eleft) | |
| 5437 error("cannot have e.tuple"); | |
| 5438 e = new TupleExp(loc, tup); | |
| 5439 e = e->semantic(sc); | |
| 5440 return e; | |
| 5441 } | |
| 5442 | |
| 159 | 5443 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5444 if (sds) | |
| 5445 { | |
| 5446 //printf("it's a ScopeDsymbol\n"); | |
| 5447 e = new ScopeExp(loc, sds); | |
| 5448 e = e->semantic(sc); | |
| 5449 if (eleft) | |
| 5450 e = new DotExp(loc, eleft, e); | |
| 5451 return e; | |
| 5452 } | |
| 5453 | |
| 5454 Import *imp = s->isImport(); | |
| 5455 if (imp) | |
| 5456 { | |
| 5457 ScopeExp *ie; | |
| 5458 | |
| 5459 ie = new ScopeExp(loc, imp->pkg); | |
| 5460 return ie->semantic(sc); | |
| 5461 } | |
| 5462 | |
| 5463 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5464 #ifdef DEBUG | |
| 5465 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5466 #endif | |
| 5467 assert(0); | |
| 5468 } | |
| 5469 else if (ident == Id::stringof) | |
| 5470 { char *s = ie->toChars(); | |
| 5471 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5472 e = e->semantic(sc); | |
| 5473 return e; | |
| 5474 } | |
| 5475 error("undefined identifier %s", toChars()); | |
| 5476 type = Type::tvoid; | |
| 5477 return this; | |
| 5478 } | |
| 5479 else if (e1->type->ty == Tpointer && | |
| 5480 ident != Id::init && ident != Id::__sizeof && | |
| 5481 ident != Id::alignof && ident != Id::offsetof && | |
| 5482 ident != Id::mangleof && ident != Id::stringof) | |
| 5483 { | |
| 5484 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
|
5485 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5486 return e->type->dotExp(sc, e, ident); |
| 5487 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5488 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5489 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5490 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5491 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5492 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5493 * e1.ident |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5494 * as: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5495 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5496 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5497 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5498 global.gag++; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5499 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5501 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
|
5502 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5503 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5504 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
|
5505 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5508 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5509 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5510 #endif |
| 159 | 5511 else |
| 5512 { | |
| 5513 e = e1->type->dotExp(sc, e1, ident); | |
| 5514 e = e->semantic(sc); | |
| 5515 return e; | |
| 5516 } | |
| 5517 } | |
| 5518 | |
| 5519 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5520 { | |
| 5521 //printf("DotIdExp::toCBuffer()\n"); | |
| 5522 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5523 buf->writeByte('.'); | |
| 5524 buf->writestring(ident->toChars()); | |
| 5525 } | |
| 5526 | |
| 5527 /********************** DotTemplateExp ***********************************/ | |
| 5528 | |
| 5529 // Mainly just a placeholder | |
| 5530 | |
| 5531 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5532 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5533 | |
| 5534 { | |
| 5535 this->td = td; | |
| 5536 } | |
| 5537 | |
| 5538 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5539 { | |
| 5540 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5541 buf->writeByte('.'); | |
| 5542 buf->writestring(td->toChars()); | |
| 5543 } | |
| 5544 | |
| 5545 | |
| 5546 /************************************************************/ | |
| 5547 | |
| 5548 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5549 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5550 { | |
| 5551 //printf("DotVarExp()\n"); | |
| 5552 this->var = v; | |
| 5553 } | |
| 5554 | |
| 5555 Expression *DotVarExp::semantic(Scope *sc) | |
| 5556 { | |
| 5557 #if LOGSEMANTIC | |
| 5558 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5559 #endif | |
| 5560 if (!type) | |
| 5561 { | |
| 5562 var = var->toAlias()->isDeclaration(); | |
| 5563 | |
| 5564 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5565 if (tup) | |
| 5566 { /* Replace: | |
| 5567 * e1.tuple(a, b, c) | |
| 5568 * with: | |
| 5569 * tuple(e1.a, e1.b, e1.c) | |
| 5570 */ | |
| 5571 Expressions *exps = new Expressions; | |
| 5572 | |
| 5573 exps->reserve(tup->objects->dim); | |
| 5574 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5575 { Object *o = (Object *)tup->objects->data[i]; | |
| 5576 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5577 { | |
| 5578 error("%s is not an expression", o->toChars()); | |
| 5579 } | |
| 5580 else | |
| 5581 { | |
| 5582 Expression *e = (Expression *)o; | |
| 5583 if (e->op != TOKdsymbol) | |
| 5584 error("%s is not a member", e->toChars()); | |
| 5585 else | |
| 5586 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5587 | |
| 5588 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5589 exps->push(e); | |
| 5590 } | |
| 5591 } | |
| 5592 } | |
| 5593 Expression *e = new TupleExp(loc, exps); | |
| 5594 e = e->semantic(sc); | |
| 5595 return e; | |
| 5596 } | |
| 5597 | |
| 5598 e1 = e1->semantic(sc); | |
| 5599 type = var->type; | |
| 5600 if (!type && global.errors) | |
| 5601 { // var is goofed up, just return 0 | |
| 5602 return new IntegerExp(0); | |
| 5603 } | |
| 5604 assert(type); | |
| 5605 | |
| 5606 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5607 { | |
| 5608 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5609 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5610 if (!sc->noaccesscheck) | |
| 5611 accessCheck(loc, sc, e1, var); | |
| 5612 | |
| 5613 VarDeclaration *v = var->isVarDeclaration(); | |
| 5614 if (v && v->isConst()) | |
| 5615 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5616 if (ei) | |
| 5617 { Expression *e = ei->exp->copy(); | |
| 5618 e = e->semantic(sc); | |
| 5619 return e; | |
| 159 | 5620 } |
| 5621 } | |
| 5622 } | |
| 5623 } | |
| 5624 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5625 return this; | |
| 5626 } | |
| 5627 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5628 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5629 int DotVarExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5632 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5633 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5634 |
| 159 | 5635 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5636 { | |
| 5637 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5638 return this; | |
| 5639 } | |
| 5640 | |
| 5641 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5642 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5643 #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
|
5644 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
|
5645 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
|
5646 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
|
5647 #endif |
| 159 | 5648 |
| 5649 if (var->isCtorinit()) | |
| 5650 { // It's only modifiable if inside the right constructor | |
| 5651 Dsymbol *s = sc->func; | |
| 5652 while (1) | |
| 5653 { | |
| 5654 FuncDeclaration *fd = NULL; | |
| 5655 if (s) | |
| 5656 fd = s->isFuncDeclaration(); | |
| 5657 if (fd && | |
| 5658 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5659 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5660 fd->toParent() == var->toParent() && | |
| 5661 e1->op == TOKthis | |
| 5662 ) | |
| 5663 { | |
| 5664 VarDeclaration *v = var->isVarDeclaration(); | |
| 5665 assert(v); | |
| 5666 v->ctorinit = 1; | |
| 5667 //printf("setting ctorinit\n"); | |
| 5668 } | |
| 5669 else | |
| 5670 { | |
| 5671 if (s) | |
| 5672 { s = s->toParent2(); | |
| 5673 continue; | |
| 5674 } | |
| 5675 else | |
| 5676 { | |
| 5677 const char *p = var->isStatic() ? "static " : ""; | |
| 5678 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5679 p, var->toChars(), p); | |
| 5680 } | |
| 5681 } | |
| 5682 break; | |
| 5683 } | |
| 5684 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5685 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 else |
|
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 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 var->storage_class & STCmanifest |
|
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 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5698 #endif |
| 159 | 5699 return this; |
| 5700 } | |
| 5701 | |
| 5702 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5703 { | |
| 5704 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5705 buf->writeByte('.'); | |
| 5706 buf->writestring(var->toChars()); | |
| 5707 } | |
| 5708 | |
| 5709 /************************************************************/ | |
| 5710 | |
| 5711 /* Things like: | |
| 5712 * foo.bar!(args) | |
| 5713 */ | |
| 5714 | |
| 5715 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5716 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5717 { | |
| 5718 //printf("DotTemplateInstanceExp()\n"); | |
| 5719 this->ti = ti; | |
| 5720 } | |
| 5721 | |
| 5722 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5723 { | |
| 5724 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5725 e1->syntaxCopy(), | |
| 5726 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5727 return de; | |
| 5728 } | |
| 5729 | |
| 5730 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5731 { Dsymbol *s; | |
| 5732 Dsymbol *s2; | |
| 5733 TemplateDeclaration *td; | |
| 5734 Expression *e; | |
| 5735 Identifier *id; | |
| 5736 Type *t1; | |
| 5737 Expression *eleft = NULL; | |
| 5738 Expression *eright; | |
| 5739 | |
| 5740 #if LOGSEMANTIC | |
| 5741 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5742 #endif | |
| 5743 //e1->print(); | |
| 5744 //print(); | |
| 5745 e1 = e1->semantic(sc); | |
| 5746 t1 = e1->type; | |
| 5747 if (t1) | |
| 5748 t1 = t1->toBasetype(); | |
| 5749 //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
|
5750 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5751 /* 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
|
5752 * 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
|
5753 * 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
|
5754 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5755 |
| 159 | 5756 if (e1->op == TOKdotexp) |
| 5757 { DotExp *de = (DotExp *)e1; | |
| 5758 eleft = de->e1; | |
| 5759 eright = de->e2; | |
| 5760 } | |
| 5761 else | |
| 5762 { eleft = NULL; | |
| 5763 eright = e1; | |
| 5764 } | |
| 5765 if (eright->op == TOKimport) | |
| 5766 { | |
| 5767 s = ((ScopeExp *)eright)->sds; | |
| 5768 } | |
| 5769 else if (e1->op == TOKtype) | |
| 5770 { | |
| 5771 s = t1->isClassHandle(); | |
| 5772 if (!s) | |
| 5773 { if (t1->ty == Tstruct) | |
| 5774 s = ((TypeStruct *)t1)->sym; | |
| 5775 else | |
| 5776 goto L1; | |
| 5777 } | |
| 5778 } | |
| 5779 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5780 { | |
| 5781 s = t1->toDsymbol(sc); | |
| 5782 eleft = e1; | |
| 5783 } | |
| 5784 else if (t1 && t1->ty == Tpointer) | |
| 5785 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5786 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5787 if (t1->ty != Tstruct) |
| 5788 goto L1; | |
| 5789 s = t1->toDsymbol(sc); | |
| 5790 eleft = e1; | |
| 5791 } | |
| 5792 else | |
| 5793 { | |
| 5794 L1: | |
| 5795 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5796 goto Lerr; | |
| 5797 } | |
| 5798 | |
| 5799 assert(s); | |
| 5800 id = ti->name; | |
| 5801 s2 = s->search(loc, id, 0); | |
| 5802 if (!s2) | |
| 5803 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5804 goto Lerr; | |
| 5805 } | |
| 5806 s = s2; | |
| 5807 s->semantic(sc); | |
| 5808 s = s->toAlias(); | |
| 5809 td = s->isTemplateDeclaration(); | |
| 5810 if (!td) | |
| 5811 { | |
| 5812 error("%s is not a template", id->toChars()); | |
| 5813 goto Lerr; | |
| 5814 } | |
| 5815 if (global.errors) | |
| 5816 goto Lerr; | |
| 5817 | |
| 5818 ti->tempdecl = td; | |
| 5819 | |
| 5820 if (eleft) | |
| 5821 { Declaration *v; | |
| 5822 | |
| 5823 ti->semantic(sc); | |
| 5824 s = ti->inst->toAlias(); | |
| 5825 v = s->isDeclaration(); | |
| 5826 if (v) | |
| 5827 { e = new DotVarExp(loc, eleft, v); | |
| 5828 e = e->semantic(sc); | |
| 5829 return e; | |
| 5830 } | |
| 5831 } | |
| 5832 | |
| 5833 e = new ScopeExp(loc, ti); | |
| 5834 if (eleft) | |
| 5835 { | |
| 5836 e = new DotExp(loc, eleft, e); | |
| 5837 } | |
| 5838 e = e->semantic(sc); | |
| 5839 return e; | |
| 5840 | |
| 5841 Lerr: | |
| 336 | 5842 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5843 } |
| 5844 | |
| 5845 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5846 { | |
| 5847 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5848 buf->writeByte('.'); | |
| 5849 ti->toCBuffer(buf, hgs); | |
| 5850 } | |
| 5851 | |
| 5852 /************************************************************/ | |
| 5853 | |
| 5854 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5855 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5856 { | |
| 5857 this->func = f; | |
| 5858 } | |
| 5859 | |
| 5860 Expression *DelegateExp::semantic(Scope *sc) | |
| 5861 { | |
| 5862 #if LOGSEMANTIC | |
| 5863 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5864 #endif | |
| 5865 if (!type) | |
| 5866 { | |
| 5867 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5868 // 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
|
5869 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5870 type = type->semantic(loc, sc); |
| 5871 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5872 if (func->needThis()) |
| 5873 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5874 } |
| 5875 return this; | |
| 5876 } | |
| 5877 | |
| 5878 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5879 { | |
| 5880 buf->writeByte('&'); | |
| 5881 if (!func->isNested()) | |
| 5882 { | |
| 5883 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5884 buf->writeByte('.'); | |
| 5885 } | |
| 5886 buf->writestring(func->toChars()); | |
| 5887 } | |
| 5888 | |
| 5889 /************************************************************/ | |
| 5890 | |
| 5891 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5892 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5893 { | |
| 5894 this->sym = s; | |
| 5895 this->type = s->getType(); | |
| 5896 } | |
| 5897 | |
| 5898 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5899 { | |
| 5900 #if LOGSEMANTIC | |
| 5901 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5902 #endif | |
| 5903 UnaExp::semantic(sc); | |
| 5904 return this; | |
| 5905 } | |
| 5906 | |
| 5907 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5908 { | |
| 5909 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5910 buf->writeByte('.'); | |
| 5911 buf->writestring(sym->toChars()); | |
| 5912 } | |
| 5913 | |
| 5914 /************************************************************/ | |
| 5915 | |
| 5916 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5917 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5918 { | |
| 5919 this->arguments = exps; | |
| 5920 } | |
| 5921 | |
| 5922 CallExp::CallExp(Loc loc, Expression *e) | |
| 5923 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5924 { | |
| 5925 this->arguments = NULL; | |
| 5926 } | |
| 5927 | |
| 5928 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5929 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5930 { | |
| 5931 Expressions *arguments = new Expressions(); | |
| 5932 arguments->setDim(1); | |
| 5933 arguments->data[0] = (void *)earg1; | |
| 5934 | |
| 5935 this->arguments = arguments; | |
| 5936 } | |
| 5937 | |
| 5938 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5939 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5940 { | |
| 5941 Expressions *arguments = new Expressions(); | |
| 5942 arguments->setDim(2); | |
| 5943 arguments->data[0] = (void *)earg1; | |
| 5944 arguments->data[1] = (void *)earg2; | |
| 5945 | |
| 5946 this->arguments = arguments; | |
| 5947 } | |
| 5948 | |
| 5949 Expression *CallExp::syntaxCopy() | |
| 5950 { | |
| 5951 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5952 } | |
| 5953 | |
| 5954 | |
| 5955 Expression *CallExp::semantic(Scope *sc) | |
| 5956 { | |
| 5957 TypeFunction *tf; | |
| 5958 FuncDeclaration *f; | |
| 5959 int i; | |
| 5960 Type *t1; | |
| 5961 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
|
5962 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5963 |
| 5964 #if LOGSEMANTIC | |
| 5965 printf("CallExp::semantic() %s\n", toChars()); | |
| 5966 #endif | |
| 5967 if (type) | |
| 5968 return this; // semantic() already run | |
| 5969 #if 0 | |
| 5970 if (arguments && arguments->dim) | |
| 5971 { | |
| 5972 Expression *earg = (Expression *)arguments->data[0]; | |
| 5973 earg->print(); | |
| 5974 if (earg->type) earg->type->print(); | |
| 5975 } | |
| 5976 #endif | |
| 5977 | |
| 5978 if (e1->op == TOKdelegate) | |
| 5979 { DelegateExp *de = (DelegateExp *)e1; | |
| 5980 | |
| 5981 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5982 return semantic(sc); | |
| 5983 } | |
| 5984 | |
| 5985 /* Transform: | |
| 5986 * array.id(args) into id(array,args) | |
| 5987 * aa.remove(arg) into delete aa[arg] | |
| 5988 */ | |
| 5989 if (e1->op == TOKdot) | |
| 5990 { | |
| 5991 // BUG: we should handle array.a.b.c.e(args) too | |
| 5992 | |
| 5993 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5994 dotid->e1 = dotid->e1->semantic(sc); | |
| 5995 assert(dotid->e1); | |
| 5996 if (dotid->e1->type) | |
| 5997 { | |
| 5998 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5999 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 6000 { | |
| 6001 if (!arguments || arguments->dim != 1) | |
| 6002 { error("expected key as argument to aa.remove()"); | |
| 6003 goto Lagain; | |
| 6004 } | |
| 6005 Expression *key = (Expression *)arguments->data[0]; | |
| 6006 key = key->semantic(sc); | |
| 6007 key = resolveProperties(sc, key); | |
| 6008 key->rvalue(); | |
| 6009 | |
| 6010 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6011 key = key->implicitCastTo(sc, taa->index); | |
| 6012 key = key->implicitCastTo(sc, taa->key); | |
| 6013 | |
| 6014 return new RemoveExp(loc, dotid->e1, key); | |
| 6015 } | |
| 6016 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6017 { | |
| 6018 if (!arguments) | |
| 6019 arguments = new Expressions(); | |
| 6020 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6021 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6022 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
|
6023 #else |
| 159 | 6024 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
|
6025 #endif |
|
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 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6029 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6030 #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
|
6031 /* 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
|
6032 * 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
|
6033 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6034 if (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
|
6035 { 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
|
6036 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
|
6037 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
|
6038 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6039 /* 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
|
6040 * 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
|
6041 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6042 ti->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
|
6043 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
|
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 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
|
6046 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
|
6047 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
|
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 /* 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
|
6050 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6051 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
|
6052 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
|
6053 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
|
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 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6057 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6058 /* 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
|
6059 * 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
|
6060 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6061 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
|
6062 { 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
|
6063 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
|
6064 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
|
6065 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6066 /* 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
|
6067 * 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
|
6068 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6069 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
|
6070 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
|
6071 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
|
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 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
|
6074 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
|
6075 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
|
6076 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6077 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
|
6078 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
|
6079 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
|
6080 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6081 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6082 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
|
6083 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6084 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6085 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6086 |
| 159 | 6087 istemp = 0; |
| 6088 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
|
6089 //printf("Lagain: %s\n", toChars()); |
| 159 | 6090 f = NULL; |
| 6091 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6092 { | |
| 6093 // semantic() run later for these | |
| 6094 } | |
| 6095 else | |
| 6096 { | |
| 6097 UnaExp::semantic(sc); | |
| 6098 | |
| 6099 /* Look for e1 being a lazy parameter | |
| 6100 */ | |
| 6101 if (e1->op == TOKvar) | |
| 6102 { VarExp *ve = (VarExp *)e1; | |
| 6103 | |
| 6104 if (ve->var->storage_class & STClazy) | |
| 6105 { | |
| 6106 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6107 TypeDelegate *t = new TypeDelegate(tf); | |
| 6108 ve->type = t->semantic(loc, sc); | |
| 6109 } | |
| 6110 } | |
| 6111 | |
| 6112 if (e1->op == TOKimport) | |
| 6113 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6114 ScopeExp *se = (ScopeExp *)e1; | |
| 6115 e1 = new DsymbolExp(loc, se->sds); | |
| 6116 e1 = e1->semantic(sc); | |
| 6117 } | |
| 6118 #if 1 // patch for #540 by Oskar Linde | |
| 6119 else if (e1->op == TOKdotexp) | |
| 6120 { | |
| 6121 DotExp *de = (DotExp *) e1; | |
| 6122 | |
| 6123 if (de->e2->op == TOKimport) | |
| 6124 { // This should *really* be moved to ScopeExp::semantic() | |
| 6125 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6126 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6127 de->e2 = de->e2->semantic(sc); | |
| 6128 } | |
| 6129 | |
| 6130 if (de->e2->op == TOKtemplate) | |
| 6131 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6132 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6133 } | |
| 6134 } | |
| 6135 #endif | |
| 6136 } | |
| 6137 | |
| 6138 if (e1->op == TOKcomma) | |
| 6139 { | |
| 6140 CommaExp *ce = (CommaExp *)e1; | |
| 6141 | |
| 6142 e1 = ce->e2; | |
| 6143 e1->type = ce->type; | |
| 6144 ce->e2 = this; | |
| 6145 ce->type = NULL; | |
| 6146 return ce->semantic(sc); | |
| 6147 } | |
| 6148 | |
| 6149 t1 = NULL; | |
| 6150 if (e1->type) | |
| 6151 t1 = e1->type->toBasetype(); | |
| 6152 | |
| 6153 // Check for call operator overload | |
| 6154 if (t1) | |
| 6155 { AggregateDeclaration *ad; | |
| 6156 | |
| 6157 if (t1->ty == Tstruct) | |
| 6158 { | |
| 6159 ad = ((TypeStruct *)t1)->sym; | |
| 6160 if (search_function(ad, Id::call)) | |
| 6161 goto L1; // overload of opCall, therefore it's a call | |
| 6162 | |
| 6163 if (e1->op != TOKtype) | |
| 6164 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6165 /* It's a struct literal | |
| 6166 */ | |
| 6167 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6168 e = e->semantic(sc); | |
| 6169 e->type = e1->type; // in case e1->type was a typedef | |
| 6170 return e; | |
| 6171 } | |
| 6172 else if (t1->ty == Tclass) | |
| 6173 { | |
| 6174 ad = ((TypeClass *)t1)->sym; | |
| 6175 goto L1; | |
| 6176 L1: | |
| 6177 // Rewrite as e1.call(arguments) | |
| 6178 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6179 e = new CallExp(loc, e, arguments); | |
| 6180 e = e->semantic(sc); | |
| 6181 return e; | |
| 6182 } | |
| 6183 } | |
| 6184 | |
| 6185 arrayExpressionSemantic(arguments, sc); | |
| 6186 preFunctionArguments(loc, sc, arguments); | |
| 6187 | |
| 6188 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6189 e1->op == TOKdottd) | |
| 6190 { | |
| 6191 DotVarExp *dve; | |
| 6192 DotTemplateExp *dte; | |
| 6193 AggregateDeclaration *ad; | |
| 6194 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6195 |
| 159 | 6196 if (e1->op == TOKdotvar) |
| 6197 { // Do overload resolution | |
| 6198 dve = (DotVarExp *)(e1); | |
| 6199 | |
| 6200 f = dve->var->isFuncDeclaration(); | |
| 6201 assert(f); | |
| 6202 f = f->overloadResolve(loc, arguments); | |
| 6203 | |
| 6204 ad = f->toParent()->isAggregateDeclaration(); | |
| 6205 } | |
| 6206 else | |
| 6207 { dte = (DotTemplateExp *)(e1); | |
| 6208 TemplateDeclaration *td = dte->td; | |
| 6209 assert(td); | |
| 6210 if (!arguments) | |
| 6211 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6212 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6213 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6214 if (!f) |
| 6215 { type = Type::terror; | |
| 6216 return this; | |
| 6217 } | |
| 6218 ad = td->toParent()->isAggregateDeclaration(); | |
| 6219 } | |
| 336 | 6220 if (f->needThis()) |
| 6221 { | |
| 6222 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6223 } | |
| 6224 | |
| 6225 /* Cannot call public functions from inside invariant | |
| 6226 * (because then the invariant would have infinite recursion) | |
| 159 | 6227 */ |
| 336 | 6228 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6229 ue->e1->op == TOKthis && | |
| 6230 f->addPostInvariant() | |
| 159 | 6231 ) |
| 6232 { | |
| 336 | 6233 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6234 } |
| 6235 | |
| 6236 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6237 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6238 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6239 #endif |
| 159 | 6240 accessCheck(loc, sc, ue->e1, f); |
| 6241 if (!f->needThis()) | |
| 6242 { | |
| 6243 VarExp *ve = new VarExp(loc, f); | |
| 6244 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6245 e1->type = f->type; | |
| 6246 } | |
| 6247 else | |
| 6248 { | |
| 6249 if (e1->op == TOKdotvar) | |
| 6250 dve->var = f; | |
| 6251 else | |
| 6252 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6253 e1->type = f->type; | |
| 6254 | |
| 6255 // See if we need to adjust the 'this' pointer | |
| 6256 AggregateDeclaration *ad = f->isThis(); | |
| 6257 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6258 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6259 ue->e1->op != TOKsuper) | |
| 6260 { | |
| 6261 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6262 ue->e1 = ue->e1->semantic(sc); | |
| 6263 } | |
| 6264 } | |
| 6265 t1 = e1->type; | |
| 6266 } | |
| 6267 else if (e1->op == TOKsuper) | |
| 6268 { | |
| 6269 // Base class constructor call | |
| 6270 ClassDeclaration *cd = NULL; | |
| 6271 | |
| 6272 if (sc->func) | |
| 6273 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6274 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6275 { | |
| 6276 error("super class constructor call must be in a constructor"); | |
| 6277 type = Type::terror; | |
| 6278 return this; | |
| 6279 } | |
| 6280 else | |
| 6281 { | |
| 6282 f = cd->baseClass->ctor; | |
| 6283 if (!f) | |
| 6284 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6285 type = Type::terror; | |
| 6286 return this; | |
| 6287 } | |
| 6288 else | |
| 6289 { | |
| 336 | 6290 if (!sc->intypeof) |
| 6291 { | |
| 159 | 6292 #if 0 |
| 336 | 6293 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6294 error("reference to this before super()"); | |
| 159 | 6295 #endif |
| 336 | 6296 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6297 error("constructor calls not allowed in loops or after labels"); | |
| 6298 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6299 error("multiple constructor calls"); | |
| 6300 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6301 } | |
| 159 | 6302 |
| 6303 f = f->overloadResolve(loc, arguments); | |
| 6304 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6305 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6306 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6307 #endif |
| 159 | 6308 e1 = new DotVarExp(e1->loc, e1, f); |
| 6309 e1 = e1->semantic(sc); | |
| 6310 t1 = e1->type; | |
| 6311 } | |
| 6312 } | |
| 6313 } | |
| 6314 else if (e1->op == TOKthis) | |
| 6315 { | |
| 6316 // same class constructor call | |
| 6317 ClassDeclaration *cd = NULL; | |
| 6318 | |
| 6319 if (sc->func) | |
| 6320 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6321 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6322 { | |
| 6323 error("class constructor call must be in a constructor"); | |
| 6324 type = Type::terror; | |
| 6325 return this; | |
| 6326 } | |
| 6327 else | |
| 6328 { | |
| 336 | 6329 if (!sc->intypeof) |
| 6330 { | |
| 159 | 6331 #if 0 |
| 336 | 6332 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6333 error("reference to this before super()"); | |
| 159 | 6334 #endif |
| 336 | 6335 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6336 error("constructor calls not allowed in loops or after labels"); | |
| 6337 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6338 error("multiple constructor calls"); | |
| 6339 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6340 } | |
| 159 | 6341 |
| 6342 f = cd->ctor; | |
| 6343 f = f->overloadResolve(loc, arguments); | |
| 6344 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6345 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6346 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6347 #endif |
| 159 | 6348 e1 = new DotVarExp(e1->loc, e1, f); |
| 6349 e1 = e1->semantic(sc); | |
| 6350 t1 = e1->type; | |
| 6351 | |
| 6352 // BUG: this should really be done by checking the static | |
| 6353 // call graph | |
| 6354 if (f == sc->func) | |
| 6355 error("cyclic constructor call"); | |
| 6356 } | |
| 6357 } | |
| 6358 else if (!t1) | |
| 6359 { | |
| 6360 error("function expected before (), not '%s'", e1->toChars()); | |
| 6361 type = Type::terror; | |
| 6362 return this; | |
| 6363 } | |
| 6364 else if (t1->ty != Tfunction) | |
| 6365 { | |
| 6366 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
|
6367 { 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
|
6368 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
|
6369 tf = (TypeFunction *)(td->next); |
| 159 | 6370 goto Lcheckargs; |
| 6371 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6372 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6373 { Expression *e; |
| 6374 | |
| 6375 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
|
6376 t1 = ((TypePointer *)t1)->next; |
| 159 | 6377 e->type = t1; |
| 6378 e1 = e; | |
| 6379 } | |
| 6380 else if (e1->op == TOKtemplate) | |
| 6381 { | |
| 6382 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6383 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6384 if (!f) |
| 6385 { type = Type::terror; | |
| 6386 return this; | |
| 6387 } | |
| 6388 if (f->needThis() && hasThis(sc)) | |
| 6389 { | |
| 6390 // Supply an implicit 'this', as in | |
| 6391 // this.ident | |
| 6392 | |
| 6393 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6394 goto Lagain; | |
| 6395 } | |
| 6396 | |
| 6397 e1 = new VarExp(loc, f); | |
| 6398 goto Lagain; | |
| 6399 } | |
| 6400 else | |
| 6401 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6402 type = Type::terror; | |
| 6403 return this; | |
| 6404 } | |
| 6405 } | |
| 6406 else if (e1->op == TOKvar) | |
| 6407 { | |
| 6408 // Do overload resolution | |
| 6409 VarExp *ve = (VarExp *)e1; | |
| 6410 | |
| 6411 f = ve->var->isFuncDeclaration(); | |
| 6412 assert(f); | |
| 6413 | |
| 6414 // Look to see if f is really a function template | |
| 6415 if (0 && !istemp && f->parent) | |
| 6416 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6417 | |
| 6418 if (ti && | |
| 6419 (ti->name == f->ident || | |
| 6420 ti->toAlias()->ident == f->ident) | |
| 6421 && | |
| 6422 ti->tempdecl) | |
| 6423 { | |
| 6424 /* This is so that one can refer to the enclosing | |
| 6425 * template, even if it has the same name as a member | |
| 6426 * of the template, if it has a !(arguments) | |
| 6427 */ | |
| 6428 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6429 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6430 tempdecl = tempdecl->overroot; // then get the start | |
| 6431 e1 = new TemplateExp(loc, tempdecl); | |
| 6432 istemp = 1; | |
| 6433 goto Lagain; | |
| 6434 } | |
| 6435 } | |
| 6436 | |
| 6437 f = f->overloadResolve(loc, arguments); | |
| 6438 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6439 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6440 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6441 #endif |
| 159 | 6442 |
| 6443 if (f->needThis() && hasThis(sc)) | |
| 6444 { | |
| 6445 // Supply an implicit 'this', as in | |
| 6446 // this.ident | |
| 6447 | |
| 6448 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6449 goto Lagain; | |
| 6450 } | |
| 6451 | |
| 6452 accessCheck(loc, sc, NULL, f); | |
| 6453 | |
| 6454 ve->var = f; | |
| 6455 ve->type = f->type; | |
| 6456 t1 = f->type; | |
| 6457 } | |
| 6458 assert(t1->ty == Tfunction); | |
| 6459 tf = (TypeFunction *)(t1); | |
| 6460 | |
| 6461 Lcheckargs: | |
| 6462 assert(tf->ty == Tfunction); | |
| 6463 type = tf->next; | |
| 6464 | |
| 6465 if (!arguments) | |
| 6466 arguments = new Expressions(); | |
| 6467 functionArguments(loc, sc, tf, arguments); | |
| 6468 | |
| 6469 assert(type); | |
| 6470 | |
| 6471 if (f && f->tintro) | |
| 6472 { | |
| 6473 Type *t = type; | |
| 6474 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
|
6475 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
|
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 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
|
6478 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6479 type = tf->next; |
| 159 | 6480 return castTo(sc, t); |
| 6481 } | |
| 6482 } | |
| 6483 | |
| 6484 return this; | |
| 6485 } | |
| 6486 | |
| 6487 int CallExp::checkSideEffect(int flag) | |
| 6488 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 return 1; |
|
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 /* 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
|
6497 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6498 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
|
6499 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6505 /* 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
|
6506 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 if (t->ty == Tfunction && ((TypeFunction *)t)->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 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
|
6512 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6513 #endif |
| 159 | 6514 return 1; |
| 6515 } | |
| 6516 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 return 1; |
|
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 /* 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
|
6524 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6525 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
|
6526 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6532 /* 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
|
6533 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 if (t->ty == Tfunction && ((TypeFunction *)t)->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 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
|
6540 return 0; |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6556 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6557 |
| 159 | 6558 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6559 { | |
| 6560 if (type->toBasetype()->ty == Tstruct) | |
| 6561 return this; | |
| 6562 else | |
| 6563 return Expression::toLvalue(sc, e); | |
| 6564 } | |
| 6565 | |
| 6566 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6567 { int i; | |
| 6568 | |
| 6569 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6570 buf->writeByte('('); | |
| 6571 argsToCBuffer(buf, arguments, hgs); | |
| 6572 buf->writeByte(')'); | |
| 6573 } | |
| 6574 | |
| 6575 | |
| 6576 /************************************************************/ | |
| 6577 | |
| 6578 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6579 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6580 { | |
| 6581 } | |
| 6582 | |
| 6583 Expression *AddrExp::semantic(Scope *sc) | |
| 6584 { | |
| 6585 #if LOGSEMANTIC | |
| 6586 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6587 #endif | |
| 6588 if (!type) | |
| 6589 { | |
| 6590 UnaExp::semantic(sc); | |
| 6591 e1 = e1->toLvalue(sc, NULL); | |
| 6592 if (!e1->type) | |
| 6593 { | |
| 6594 error("cannot take address of %s", e1->toChars()); | |
| 6595 type = Type::tint32; | |
| 6596 return this; | |
| 6597 } | |
| 6598 type = e1->type->pointerTo(); | |
| 6599 | |
| 6600 // See if this should really be a delegate | |
| 6601 if (e1->op == TOKdotvar) | |
| 6602 { | |
| 6603 DotVarExp *dve = (DotVarExp *)e1; | |
| 6604 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6605 | |
| 6606 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
|
6607 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6608 e = e->semantic(sc); |
| 6609 return e; | |
| 6610 } | |
| 6611 } | |
| 6612 else if (e1->op == TOKvar) | |
| 6613 { | |
| 6614 VarExp *dve = (VarExp *)e1; | |
| 6615 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6616 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6617 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6618 // 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
|
6619 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
|
6620 { |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
471
diff
changeset
|
6621 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
|
6622 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
|
6623 } |
|
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
|
6624 |
| 159 | 6625 if (f && f->isNested()) |
| 6626 { Expression *e; | |
| 6627 | |
| 6628 e = new DelegateExp(loc, e1, f); | |
| 6629 e = e->semantic(sc); | |
| 6630 return e; | |
| 6631 } | |
| 6632 } | |
| 6633 else if (e1->op == TOKarray) | |
| 6634 { | |
| 6635 if (e1->type->toBasetype()->ty == Tbit) | |
| 6636 error("cannot take address of bit in array"); | |
| 6637 } | |
| 6638 return optimize(WANTvalue); | |
| 6639 } | |
| 6640 return this; | |
| 6641 } | |
| 6642 | |
| 6643 /************************************************************/ | |
| 6644 | |
| 6645 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6646 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6647 { | |
| 6648 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
|
6649 type = ((TypePointer *)e->type)->next; |
| 159 | 6650 } |
| 6651 | |
| 6652 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6653 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6654 { | |
| 6655 type = t; | |
| 6656 } | |
| 6657 | |
| 6658 Expression *PtrExp::semantic(Scope *sc) | |
| 6659 { Type *tb; | |
| 6660 | |
| 6661 #if LOGSEMANTIC | |
| 6662 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6663 #endif | |
| 6664 UnaExp::semantic(sc); | |
| 6665 e1 = resolveProperties(sc, e1); | |
| 6666 if (type) | |
| 6667 return this; | |
| 6668 if (!e1->type) | |
| 6669 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6670 tb = e1->type->toBasetype(); | |
| 6671 switch (tb->ty) | |
| 6672 { | |
| 6673 case Tpointer: | |
| 6674 type = tb->next; | |
| 6675 if (type->isbit()) | |
| 6676 { Expression *e; | |
| 6677 | |
| 6678 // Rewrite *p as p[0] | |
| 6679 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6680 return e->semantic(sc); | |
| 6681 } | |
| 6682 break; | |
| 6683 | |
| 6684 case Tsarray: | |
| 6685 case Tarray: | |
| 6686 type = tb->next; | |
| 6687 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6688 break; | |
| 6689 | |
| 6690 default: | |
| 6691 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6692 type = Type::tint32; | |
| 6693 break; | |
| 6694 } | |
| 6695 rvalue(); | |
| 6696 return this; | |
| 6697 } | |
| 6698 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 int PtrExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6703 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6704 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6705 |
| 159 | 6706 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6707 { | |
| 6708 #if 0 | |
| 6709 tym = tybasic(e1->ET->Tty); | |
| 6710 if (!(tyscalar(tym) || | |
| 6711 tym == TYstruct || | |
| 6712 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6713 synerr(EM_lvalue); // lvalue expected | |
| 6714 #endif | |
| 6715 return this; | |
| 6716 } | |
| 6717 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6718 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6719 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
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 //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
|
6722 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6723 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6725 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6726 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6730 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6731 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6732 |
| 159 | 6733 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6734 { | |
| 6735 buf->writeByte('*'); | |
| 6736 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6737 } | |
| 6738 | |
| 6739 /************************************************************/ | |
| 6740 | |
| 6741 NegExp::NegExp(Loc loc, Expression *e) | |
| 6742 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6743 { | |
| 6744 } | |
| 6745 | |
| 6746 Expression *NegExp::semantic(Scope *sc) | |
| 6747 { Expression *e; | |
| 6748 | |
| 6749 #if LOGSEMANTIC | |
| 6750 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6751 #endif | |
| 6752 if (!type) | |
| 6753 { | |
| 6754 UnaExp::semantic(sc); | |
| 6755 e1 = resolveProperties(sc, e1); | |
| 6756 e = op_overload(sc); | |
| 6757 if (e) | |
| 6758 return e; | |
| 6759 | |
| 6760 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
|
6761 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
|
6762 e1->checkArithmetic(); |
| 159 | 6763 type = e1->type; |
| 6764 } | |
| 6765 return this; | |
| 6766 } | |
| 6767 | |
| 6768 /************************************************************/ | |
| 6769 | |
| 6770 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6771 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6772 { | |
| 6773 } | |
| 6774 | |
| 6775 Expression *UAddExp::semantic(Scope *sc) | |
| 6776 { Expression *e; | |
| 6777 | |
| 6778 #if LOGSEMANTIC | |
| 6779 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6780 #endif | |
| 6781 assert(!type); | |
| 6782 UnaExp::semantic(sc); | |
| 6783 e1 = resolveProperties(sc, e1); | |
| 6784 e = op_overload(sc); | |
| 6785 if (e) | |
| 6786 return e; | |
| 6787 e1->checkNoBool(); | |
| 6788 e1->checkArithmetic(); | |
| 6789 return e1; | |
| 6790 } | |
| 6791 | |
| 6792 /************************************************************/ | |
| 6793 | |
| 6794 ComExp::ComExp(Loc loc, Expression *e) | |
| 6795 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6796 { | |
| 6797 } | |
| 6798 | |
| 6799 Expression *ComExp::semantic(Scope *sc) | |
| 6800 { Expression *e; | |
| 6801 | |
| 6802 if (!type) | |
| 6803 { | |
| 6804 UnaExp::semantic(sc); | |
| 6805 e1 = resolveProperties(sc, e1); | |
| 6806 e = op_overload(sc); | |
| 6807 if (e) | |
| 6808 return e; | |
| 6809 | |
| 6810 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
|
6811 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
|
6812 e1 = e1->checkIntegral(); |
| 159 | 6813 type = e1->type; |
| 6814 } | |
| 6815 return this; | |
| 6816 } | |
| 6817 | |
| 6818 /************************************************************/ | |
| 6819 | |
| 6820 NotExp::NotExp(Loc loc, Expression *e) | |
| 6821 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6822 { | |
| 6823 } | |
| 6824 | |
| 6825 Expression *NotExp::semantic(Scope *sc) | |
| 6826 { | |
| 6827 UnaExp::semantic(sc); | |
| 6828 e1 = resolveProperties(sc, e1); | |
| 6829 e1 = e1->checkToBoolean(); | |
| 6830 type = Type::tboolean; | |
| 6831 return this; | |
| 6832 } | |
| 6833 | |
| 6834 int NotExp::isBit() | |
| 6835 { | |
| 6836 return TRUE; | |
| 6837 } | |
| 6838 | |
| 6839 | |
| 6840 | |
| 6841 /************************************************************/ | |
| 6842 | |
| 6843 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6844 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6845 { | |
| 6846 type = t; | |
| 6847 } | |
| 6848 | |
| 6849 Expression *BoolExp::semantic(Scope *sc) | |
| 6850 { | |
| 6851 UnaExp::semantic(sc); | |
| 6852 e1 = resolveProperties(sc, e1); | |
| 6853 e1 = e1->checkToBoolean(); | |
| 6854 type = Type::tboolean; | |
| 6855 return this; | |
| 6856 } | |
| 6857 | |
| 6858 int BoolExp::isBit() | |
| 6859 { | |
| 6860 return TRUE; | |
| 6861 } | |
| 6862 | |
| 6863 /************************************************************/ | |
| 6864 | |
| 6865 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6866 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6867 { | |
| 6868 } | |
| 6869 | |
| 6870 Expression *DeleteExp::semantic(Scope *sc) | |
| 6871 { | |
| 6872 Type *tb; | |
| 6873 | |
| 6874 UnaExp::semantic(sc); | |
| 6875 e1 = resolveProperties(sc, e1); | |
| 6876 e1 = e1->toLvalue(sc, NULL); | |
| 6877 type = Type::tvoid; | |
| 6878 | |
| 6879 tb = e1->type->toBasetype(); | |
| 6880 switch (tb->ty) | |
| 6881 { case Tclass: | |
| 6882 { TypeClass *tc = (TypeClass *)tb; | |
| 6883 ClassDeclaration *cd = tc->sym; | |
| 6884 | |
| 6885 if (cd->isCOMinterface()) | |
| 6886 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6887 */ | |
| 6888 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6889 } | |
| 6890 break; | |
| 6891 } | |
| 6892 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
|
6893 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6894 if (tb->ty == Tstruct) |
| 6895 { | |
| 6896 TypeStruct *ts = (TypeStruct *)tb; | |
| 6897 StructDeclaration *sd = ts->sym; | |
| 6898 FuncDeclaration *f = sd->aggDelete; | |
| 6899 | |
| 6900 if (f) | |
| 6901 { | |
| 6902 Type *tpv = Type::tvoid->pointerTo(); | |
| 6903 | |
| 6904 Expression *e = e1->castTo(sc, tpv); | |
| 6905 Expression *ec = new VarExp(loc, f); | |
| 6906 e = new CallExp(loc, ec, e); | |
| 6907 return e->semantic(sc); | |
| 6908 } | |
| 6909 } | |
| 6910 break; | |
| 6911 | |
| 6912 case Tarray: | |
| 6913 break; | |
| 6914 | |
| 6915 default: | |
| 6916 if (e1->op == TOKindex) | |
| 6917 { | |
| 6918 IndexExp *ae = (IndexExp *)(e1); | |
| 6919 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6920 if (tb1->ty == Taarray) | |
| 6921 break; | |
| 6922 } | |
| 6923 error("cannot delete type %s", e1->type->toChars()); | |
| 6924 break; | |
| 6925 } | |
| 6926 | |
| 6927 if (e1->op == TOKindex) | |
| 6928 { | |
| 6929 IndexExp *ae = (IndexExp *)(e1); | |
| 6930 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6931 if (tb1->ty == Taarray) | |
| 6932 { if (!global.params.useDeprecated) | |
| 6933 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6934 } | |
| 6935 } | |
| 6936 | |
| 6937 return this; | |
| 6938 } | |
| 6939 | |
| 6940 int DeleteExp::checkSideEffect(int flag) | |
| 6941 { | |
| 6942 return 1; | |
| 6943 } | |
| 6944 | |
| 6945 Expression *DeleteExp::checkToBoolean() | |
| 6946 { | |
| 6947 error("delete does not give a boolean result"); | |
| 6948 return this; | |
| 6949 } | |
| 6950 | |
| 6951 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6952 { | |
| 6953 buf->writestring("delete "); | |
| 6954 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6955 } | |
| 6956 | |
| 6957 /************************************************************/ | |
| 6958 | |
| 6959 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6960 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6961 { | |
| 6962 to = t; | |
| 6963 } | |
| 6964 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6965 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6966 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6967 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6968 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
|
6969 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6970 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6973 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6974 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6975 |
| 159 | 6976 Expression *CastExp::syntaxCopy() |
| 6977 { | |
| 6978 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6979 } | |
| 6980 | |
| 6981 | |
| 6982 Expression *CastExp::semantic(Scope *sc) | |
| 6983 { Expression *e; | |
| 6984 BinExp *b; | |
| 6985 UnaExp *u; | |
| 6986 | |
| 6987 #if LOGSEMANTIC | |
| 6988 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6989 #endif | |
| 6990 | |
| 6991 //static int x; assert(++x < 10); | |
| 6992 | |
| 6993 if (type) | |
| 6994 return this; | |
| 6995 UnaExp::semantic(sc); | |
| 6996 if (e1->type) // if not a tuple | |
| 6997 { | |
| 6998 e1 = resolveProperties(sc, e1); | |
| 6999 to = to->semantic(loc, sc); | |
| 7000 | |
| 7001 e = op_overload(sc); | |
| 7002 if (e) | |
| 7003 { | |
| 7004 return e->implicitCastTo(sc, to); | |
| 7005 } | |
| 7006 | |
| 7007 Type *tob = to->toBasetype(); | |
| 7008 if (tob->ty == Tstruct && | |
| 7009 !tob->equals(e1->type->toBasetype()) && | |
| 7010 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7011 ) | |
| 7012 { | |
| 7013 /* Look to replace: | |
| 7014 * cast(S)t | |
| 7015 * with: | |
| 7016 * S(t) | |
| 7017 */ | |
| 7018 | |
| 7019 // Rewrite as to.call(e1) | |
| 7020 e = new TypeExp(loc, to); | |
| 7021 e = new DotIdExp(loc, e, Id::call); | |
| 7022 e = new CallExp(loc, e, e1); | |
| 7023 e = e->semantic(sc); | |
| 7024 return e; | |
| 7025 } | |
| 7026 } | |
| 7027 e = e1->castTo(sc, to); | |
| 7028 return e; | |
| 7029 } | |
| 7030 | |
| 7031 int CastExp::checkSideEffect(int flag) | |
| 7032 { | |
| 7033 /* if not: | |
| 7034 * cast(void) | |
| 7035 * cast(classtype)func() | |
| 7036 */ | |
| 7037 if (!to->equals(Type::tvoid) && | |
| 7038 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7039 return Expression::checkSideEffect(flag); | |
| 7040 return 1; | |
| 7041 } | |
| 7042 | |
| 7043 void CastExp::checkEscape() | |
| 7044 { Type *tb = type->toBasetype(); | |
| 7045 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7046 e1->type->toBasetype()->ty == Tsarray) | |
| 7047 { VarExp *ve = (VarExp *)e1; | |
| 7048 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7049 if (v) | |
| 7050 { | |
| 7051 if (!v->isDataseg() && !v->isParameter()) | |
| 7052 error("escaping reference to local %s", v->toChars()); | |
| 7053 } | |
| 7054 } | |
| 7055 } | |
| 7056 | |
| 7057 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7058 { | |
| 7059 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7060 #if DMDV1 |
| 159 | 7061 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7084 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7085 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7087 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7088 #endif |
| 159 | 7089 buf->writeByte(')'); |
| 7090 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7091 } | |
| 7092 | |
| 7093 | |
| 7094 /************************************************************/ | |
| 7095 | |
| 7096 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7097 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7098 { | |
| 7099 this->upr = upr; | |
| 7100 this->lwr = lwr; | |
| 7101 lengthVar = NULL; | |
| 7102 } | |
| 7103 | |
| 7104 Expression *SliceExp::syntaxCopy() | |
| 7105 { | |
| 7106 Expression *lwr = NULL; | |
| 7107 if (this->lwr) | |
| 7108 lwr = this->lwr->syntaxCopy(); | |
| 7109 | |
| 7110 Expression *upr = NULL; | |
| 7111 if (this->upr) | |
| 7112 upr = this->upr->syntaxCopy(); | |
| 7113 | |
| 7114 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7115 } | |
| 7116 | |
| 7117 Expression *SliceExp::semantic(Scope *sc) | |
| 7118 { Expression *e; | |
| 7119 AggregateDeclaration *ad; | |
| 7120 //FuncDeclaration *fd; | |
| 7121 ScopeDsymbol *sym; | |
| 7122 | |
| 7123 #if LOGSEMANTIC | |
| 7124 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7125 #endif | |
| 7126 if (type) | |
| 7127 return this; | |
| 7128 | |
| 7129 UnaExp::semantic(sc); | |
| 7130 e1 = resolveProperties(sc, e1); | |
| 7131 | |
| 7132 e = this; | |
| 7133 | |
| 7134 Type *t = e1->type->toBasetype(); | |
| 7135 if (t->ty == Tpointer) | |
| 7136 { | |
| 7137 if (!lwr || !upr) | |
| 7138 error("need upper and lower bound to slice pointer"); | |
| 7139 } | |
| 7140 else if (t->ty == Tarray) | |
| 7141 { | |
| 7142 } | |
| 7143 else if (t->ty == Tsarray) | |
| 7144 { | |
| 7145 } | |
| 7146 else if (t->ty == Tclass) | |
| 7147 { | |
| 7148 ad = ((TypeClass *)t)->sym; | |
| 7149 goto L1; | |
| 7150 } | |
| 7151 else if (t->ty == Tstruct) | |
| 7152 { | |
| 7153 ad = ((TypeStruct *)t)->sym; | |
| 7154 | |
| 7155 L1: | |
| 7156 if (search_function(ad, Id::slice)) | |
| 7157 { | |
| 7158 // Rewrite as e1.slice(lwr, upr) | |
| 7159 e = new DotIdExp(loc, e1, Id::slice); | |
| 7160 | |
| 7161 if (lwr) | |
| 7162 { | |
| 7163 assert(upr); | |
| 7164 e = new CallExp(loc, e, lwr, upr); | |
| 7165 } | |
| 7166 else | |
| 7167 { assert(!upr); | |
| 7168 e = new CallExp(loc, e); | |
| 7169 } | |
| 7170 e = e->semantic(sc); | |
| 7171 return e; | |
| 7172 } | |
| 7173 goto Lerror; | |
| 7174 } | |
| 7175 else if (t->ty == Ttuple) | |
| 7176 { | |
| 7177 if (!lwr && !upr) | |
| 7178 return e1; | |
| 7179 if (!lwr || !upr) | |
| 7180 { error("need upper and lower bound to slice tuple"); | |
| 7181 goto Lerror; | |
| 7182 } | |
| 7183 } | |
| 7184 else | |
| 7185 goto Lerror; | |
| 7186 | |
| 7187 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7188 { | |
| 7189 sym = new ArrayScopeSymbol(this); | |
| 7190 sym->loc = loc; | |
| 7191 sym->parent = sc->scopesym; | |
| 7192 sc = sc->push(sym); | |
| 7193 } | |
| 7194 | |
| 7195 if (lwr) | |
| 7196 { lwr = lwr->semantic(sc); | |
| 7197 lwr = resolveProperties(sc, lwr); | |
| 7198 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7199 } | |
| 7200 if (upr) | |
| 7201 { upr = upr->semantic(sc); | |
| 7202 upr = resolveProperties(sc, upr); | |
| 7203 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7204 } | |
| 7205 | |
| 7206 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7207 sc->pop(); | |
| 7208 | |
| 7209 if (t->ty == Ttuple) | |
| 7210 { | |
| 7211 lwr = lwr->optimize(WANTvalue); | |
| 7212 upr = upr->optimize(WANTvalue); | |
| 7213 uinteger_t i1 = lwr->toUInteger(); | |
| 7214 uinteger_t i2 = upr->toUInteger(); | |
| 7215 | |
| 7216 size_t length; | |
| 7217 TupleExp *te; | |
| 7218 TypeTuple *tup; | |
| 7219 | |
| 7220 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7221 { te = (TupleExp *)e1; | |
| 7222 length = te->exps->dim; | |
| 7223 } | |
| 7224 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7225 { tup = (TypeTuple *)t; | |
| 7226 length = Argument::dim(tup->arguments); | |
| 7227 } | |
| 7228 else | |
| 7229 assert(0); | |
| 7230 | |
| 7231 if (i1 <= i2 && i2 <= length) | |
| 7232 { size_t j1 = (size_t) i1; | |
| 7233 size_t j2 = (size_t) i2; | |
| 7234 | |
| 7235 if (e1->op == TOKtuple) | |
| 7236 { Expressions *exps = new Expressions; | |
| 7237 exps->setDim(j2 - j1); | |
| 7238 for (size_t i = 0; i < j2 - j1; i++) | |
| 7239 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7240 exps->data[i] = (void *)e; | |
| 7241 } | |
| 7242 e = new TupleExp(loc, exps); | |
| 7243 } | |
| 7244 else | |
| 7245 { Arguments *args = new Arguments; | |
| 7246 args->reserve(j2 - j1); | |
| 7247 for (size_t i = j1; i < j2; i++) | |
| 7248 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7249 args->push(arg); | |
| 7250 } | |
| 7251 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7252 } | |
| 7253 e = e->semantic(sc); | |
| 7254 } | |
| 7255 else | |
| 7256 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7257 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7258 e = e1; |
| 7259 } | |
| 7260 return e; | |
| 7261 } | |
| 7262 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7263 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7264 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7265 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7266 type = t->nextOf()->arrayOf(); |
| 159 | 7267 return e; |
| 7268 | |
| 7269 Lerror: | |
| 7270 char *s; | |
| 7271 if (t->ty == Tvoid) | |
| 7272 s = e1->toChars(); | |
| 7273 else | |
| 7274 s = t->toChars(); | |
| 7275 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
|
7276 e = new IntegerExp(0); |
| 159 | 7277 return e; |
| 7278 } | |
| 7279 | |
| 7280 void SliceExp::checkEscape() | |
| 7281 { | |
| 7282 e1->checkEscape(); | |
| 7283 } | |
| 7284 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7285 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7286 int SliceExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7289 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7290 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7291 |
| 159 | 7292 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7293 { | |
| 7294 return this; | |
| 7295 } | |
| 7296 | |
| 7297 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7298 { | |
| 7299 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7300 return this; | |
| 7301 } | |
| 7302 | |
| 7303 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7304 { | |
| 7305 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7306 buf->writeByte('['); | |
| 7307 if (upr || lwr) | |
| 7308 { | |
| 7309 if (lwr) | |
| 7310 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7311 else | |
| 7312 buf->writeByte('0'); | |
| 7313 buf->writestring(".."); | |
| 7314 if (upr) | |
| 7315 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7316 else | |
| 7317 buf->writestring("length"); // BUG: should be array.length | |
| 7318 } | |
| 7319 buf->writeByte(']'); | |
| 7320 } | |
| 7321 | |
| 7322 /********************** ArrayLength **************************************/ | |
| 7323 | |
| 7324 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7325 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7326 { | |
| 7327 } | |
| 7328 | |
| 7329 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7330 { Expression *e; | |
| 7331 | |
| 7332 #if LOGSEMANTIC | |
| 7333 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7334 #endif | |
| 7335 if (!type) | |
| 7336 { | |
| 7337 UnaExp::semantic(sc); | |
| 7338 e1 = resolveProperties(sc, e1); | |
| 7339 | |
| 7340 type = Type::tsize_t; | |
| 7341 } | |
| 7342 return this; | |
| 7343 } | |
| 7344 | |
| 7345 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7346 { | |
| 7347 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7348 buf->writestring(".length"); | |
| 7349 } | |
| 7350 | |
| 7351 /*********************** ArrayExp *************************************/ | |
| 7352 | |
| 7353 // e1 [ i1, i2, i3, ... ] | |
| 7354 | |
| 7355 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7356 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7357 { | |
| 7358 arguments = args; | |
| 7359 } | |
| 7360 | |
| 7361 Expression *ArrayExp::syntaxCopy() | |
| 7362 { | |
| 7363 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7364 } | |
| 7365 | |
| 7366 Expression *ArrayExp::semantic(Scope *sc) | |
| 7367 { Expression *e; | |
| 7368 Type *t1; | |
| 7369 | |
| 7370 #if LOGSEMANTIC | |
| 7371 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7372 #endif | |
| 7373 UnaExp::semantic(sc); | |
| 7374 e1 = resolveProperties(sc, e1); | |
| 7375 | |
| 7376 t1 = e1->type->toBasetype(); | |
| 7377 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7378 { // Convert to IndexExp | |
| 7379 if (arguments->dim != 1) | |
| 7380 error("only one index allowed to index %s", t1->toChars()); | |
| 7381 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7382 return e->semantic(sc); | |
| 7383 } | |
| 7384 | |
| 7385 // Run semantic() on each argument | |
| 7386 for (size_t i = 0; i < arguments->dim; i++) | |
| 7387 { e = (Expression *)arguments->data[i]; | |
| 7388 | |
| 7389 e = e->semantic(sc); | |
| 7390 if (!e->type) | |
| 7391 error("%s has no value", e->toChars()); | |
| 7392 arguments->data[i] = (void *)e; | |
| 7393 } | |
| 7394 | |
| 7395 expandTuples(arguments); | |
| 7396 assert(arguments && arguments->dim); | |
| 7397 | |
| 7398 e = op_overload(sc); | |
| 7399 if (!e) | |
| 7400 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7401 e = e1; | |
| 7402 } | |
| 7403 return e; | |
| 7404 } | |
| 7405 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7406 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7407 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7408 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7409 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7410 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7411 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7412 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7413 #endif |
| 159 | 7414 |
| 7415 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7416 { | |
| 7417 if (type && type->toBasetype()->ty == Tvoid) | |
| 7418 error("voids have no value"); | |
| 7419 return this; | |
| 7420 } | |
| 7421 | |
| 7422 | |
| 7423 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7424 { int i; | |
| 7425 | |
| 7426 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7427 buf->writeByte('['); | |
| 7428 argsToCBuffer(buf, arguments, hgs); | |
| 7429 buf->writeByte(']'); | |
| 7430 } | |
| 7431 | |
| 7432 /************************* DotExp ***********************************/ | |
| 7433 | |
| 7434 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7435 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7436 { | |
| 7437 } | |
| 7438 | |
| 7439 Expression *DotExp::semantic(Scope *sc) | |
| 7440 { | |
| 7441 #if LOGSEMANTIC | |
| 7442 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7443 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7444 #endif | |
| 7445 e1 = e1->semantic(sc); | |
| 7446 e2 = e2->semantic(sc); | |
| 7447 if (e2->op == TOKimport) | |
| 7448 { | |
| 7449 ScopeExp *se = (ScopeExp *)e2; | |
| 7450 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7451 if (td) | |
| 7452 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7453 e = e->semantic(sc); | |
| 7454 return e; | |
| 7455 } | |
| 7456 } | |
| 7457 if (!type) | |
| 7458 type = e2->type; | |
| 7459 return this; | |
| 7460 } | |
| 7461 | |
| 7462 | |
| 7463 /************************* CommaExp ***********************************/ | |
| 7464 | |
| 7465 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7466 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7467 { | |
| 7468 } | |
| 7469 | |
| 7470 Expression *CommaExp::semantic(Scope *sc) | |
| 7471 { | |
| 7472 if (!type) | |
| 7473 { BinExp::semanticp(sc); | |
| 7474 type = e2->type; | |
| 7475 } | |
| 7476 return this; | |
| 7477 } | |
| 7478 | |
| 7479 void CommaExp::checkEscape() | |
| 7480 { | |
| 7481 e2->checkEscape(); | |
| 7482 } | |
| 7483 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7484 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 int CommaExp::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 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7488 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7489 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7490 |
| 159 | 7491 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7492 { | |
| 7493 e2 = e2->toLvalue(sc, NULL); | |
| 7494 return this; | |
| 7495 } | |
| 7496 | |
| 7497 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7498 { | |
| 7499 e2 = e2->modifiableLvalue(sc, e); | |
| 7500 return this; | |
| 7501 } | |
| 7502 | |
| 7503 int CommaExp::isBool(int result) | |
| 7504 { | |
| 7505 return e2->isBool(result); | |
| 7506 } | |
| 7507 | |
| 7508 int CommaExp::checkSideEffect(int flag) | |
| 7509 { | |
| 7510 if (flag == 2) | |
| 7511 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7512 else | |
| 7513 { | |
| 7514 // Don't check e1 until we cast(void) the a,b code generation | |
| 7515 return e2->checkSideEffect(flag); | |
| 7516 } | |
| 7517 } | |
| 7518 | |
| 7519 /************************** IndexExp **********************************/ | |
| 7520 | |
| 7521 // e1 [ e2 ] | |
| 7522 | |
| 7523 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7524 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7525 { | |
| 7526 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7527 lengthVar = NULL; | |
| 7528 modifiable = 0; // assume it is an rvalue | |
| 7529 } | |
| 7530 | |
| 7531 Expression *IndexExp::semantic(Scope *sc) | |
| 7532 { Expression *e; | |
| 7533 BinExp *b; | |
| 7534 UnaExp *u; | |
| 7535 Type *t1; | |
| 7536 ScopeDsymbol *sym; | |
| 7537 | |
| 7538 #if LOGSEMANTIC | |
| 7539 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7540 #endif | |
| 7541 if (type) | |
| 7542 return this; | |
| 7543 if (!e1->type) | |
| 7544 e1 = e1->semantic(sc); | |
| 7545 assert(e1->type); // semantic() should already be run on it | |
| 7546 e = this; | |
| 7547 | |
| 7548 // Note that unlike C we do not implement the int[ptr] | |
| 7549 | |
| 7550 t1 = e1->type->toBasetype(); | |
| 7551 | |
| 7552 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7553 { // Create scope for 'length' variable | |
| 7554 sym = new ArrayScopeSymbol(this); | |
| 7555 sym->loc = loc; | |
| 7556 sym->parent = sc->scopesym; | |
| 7557 sc = sc->push(sym); | |
| 7558 } | |
| 7559 | |
| 7560 e2 = e2->semantic(sc); | |
| 7561 if (!e2->type) | |
| 7562 { | |
| 7563 error("%s has no value", e2->toChars()); | |
| 7564 e2->type = Type::terror; | |
| 7565 } | |
| 7566 e2 = resolveProperties(sc, e2); | |
| 7567 | |
| 7568 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7569 sc = sc->pop(); | |
| 7570 | |
| 7571 switch (t1->ty) | |
| 7572 { | |
| 7573 case Tpointer: | |
| 7574 case Tarray: | |
| 7575 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7576 e->type = t1->next; | |
| 7577 break; | |
| 7578 | |
| 7579 case Tsarray: | |
| 7580 { | |
| 7581 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7582 | |
| 7583 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7584 | |
| 7585 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7586 // Do compile time array bounds checking if possible | |
| 7587 e2 = e2->optimize(WANTvalue); | |
| 7588 if (e2->op == TOKint64) | |
| 7589 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7590 dinteger_t index = e2->toInteger(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1168
diff
changeset
|
7591 dinteger_t length = tsa->dim->toInteger(); |
| 159 | 7592 if (index < 0 || index >= length) |
| 7593 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7594 index, length); | |
| 7595 } | |
| 7596 #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
|
7597 e->type = t1->nextOf(); |
| 159 | 7598 break; |
| 7599 } | |
| 7600 | |
| 7601 case Taarray: | |
| 7602 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7603 | |
| 7604 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7605 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7606 type = taa->next; | |
| 7607 break; | |
| 7608 } | |
| 7609 | |
| 7610 case Ttuple: | |
| 7611 { | |
| 7612 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7613 e2 = e2->optimize(WANTvalue); | |
| 7614 uinteger_t index = e2->toUInteger(); | |
| 7615 size_t length; | |
| 7616 TupleExp *te; | |
| 7617 TypeTuple *tup; | |
| 7618 | |
| 7619 if (e1->op == TOKtuple) | |
| 7620 { te = (TupleExp *)e1; | |
| 7621 length = te->exps->dim; | |
| 7622 } | |
| 7623 else if (e1->op == TOKtype) | |
| 7624 { | |
| 7625 tup = (TypeTuple *)t1; | |
| 7626 length = Argument::dim(tup->arguments); | |
| 7627 } | |
| 7628 else | |
| 7629 assert(0); | |
| 7630 | |
| 7631 if (index < length) | |
| 7632 { | |
| 7633 | |
| 7634 if (e1->op == TOKtuple) | |
| 7635 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7636 else | |
| 7637 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7638 } | |
| 7639 else | |
| 7640 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7641 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
|
7642 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7643 e = e1; |
| 159 | 7644 } |
| 7645 break; | |
| 7646 } | |
| 7647 | |
| 7648 default: | |
| 7649 error("%s must be an array or pointer type, not %s", | |
| 7650 e1->toChars(), e1->type->toChars()); | |
| 7651 type = Type::tint32; | |
| 7652 break; | |
| 7653 } | |
| 7654 return e; | |
| 7655 } | |
| 7656 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7657 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7658 int IndexExp::isLvalue() |
|
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 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7661 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7662 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7663 |
| 159 | 7664 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7665 { | |
| 7666 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7667 // error("voids have no value"); | |
| 7668 return this; | |
| 7669 } | |
| 7670 | |
| 7671 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7672 { | |
| 7673 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7674 modifiable = 1; | |
| 7675 if (e1->op == TOKstring) | |
| 7676 error("string literals are immutable"); | |
| 7677 if (e1->type->toBasetype()->ty == Taarray) | |
| 7678 e1 = e1->modifiableLvalue(sc, e1); | |
| 7679 return toLvalue(sc, e); | |
| 7680 } | |
| 7681 | |
| 7682 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7683 { | |
| 7684 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7685 buf->writeByte('['); | |
| 7686 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7687 buf->writeByte(']'); | |
| 7688 } | |
| 7689 | |
| 7690 | |
| 7691 /************************* PostExp ***********************************/ | |
| 7692 | |
| 7693 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7694 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7695 new IntegerExp(loc, 1, Type::tint32)) | |
| 7696 { | |
| 7697 } | |
| 7698 | |
| 7699 Expression *PostExp::semantic(Scope *sc) | |
| 7700 { Expression *e = this; | |
| 7701 | |
| 7702 if (!type) | |
| 7703 { | |
| 7704 BinExp::semantic(sc); | |
| 7705 e2 = resolveProperties(sc, e2); | |
| 7706 | |
| 7707 e = op_overload(sc); | |
| 7708 if (e) | |
| 7709 return e; | |
| 7710 | |
| 7711 e = this; | |
| 7712 e1 = e1->modifiableLvalue(sc, e1); | |
| 7713 e1->checkScalar(); | |
| 7714 e1->checkNoBool(); | |
| 7715 if (e1->type->ty == Tpointer) | |
| 7716 e = scaleFactor(sc); | |
| 7717 else | |
| 7718 e2 = e2->castTo(sc, e1->type); | |
| 7719 e->type = e1->type; | |
| 7720 } | |
| 7721 return e; | |
| 7722 } | |
| 7723 | |
| 7724 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7725 { | |
| 7726 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7727 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7728 } | |
| 7729 | |
| 7730 /************************************************************/ | |
| 7731 | |
| 7732 /* Can be TOKconstruct too */ | |
| 7733 | |
| 7734 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7735 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7736 { | |
| 7737 ismemset = 0; | |
| 7738 } | |
| 7739 | |
| 7740 Expression *AssignExp::semantic(Scope *sc) | |
| 7741 { Type *t1; | |
| 7742 Expression *e1old = e1; | |
| 7743 | |
| 7744 #if LOGSEMANTIC | |
| 7745 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7746 #endif | |
| 7747 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7748 | |
| 7749 /* Look for operator overloading of a[i]=value. | |
| 7750 * Do it before semantic() otherwise the a[i] will have been | |
| 7751 * converted to a.opIndex() already. | |
| 7752 */ | |
| 7753 if (e1->op == TOKarray) | |
| 7754 { Type *t1; | |
| 7755 ArrayExp *ae = (ArrayExp *)e1; | |
| 7756 AggregateDeclaration *ad; | |
| 7757 Identifier *id = Id::index; | |
| 7758 | |
| 7759 ae->e1 = ae->e1->semantic(sc); | |
| 7760 t1 = ae->e1->type->toBasetype(); | |
| 7761 if (t1->ty == Tstruct) | |
| 7762 { | |
| 7763 ad = ((TypeStruct *)t1)->sym; | |
| 7764 goto L1; | |
| 7765 } | |
| 7766 else if (t1->ty == Tclass) | |
| 7767 { | |
| 7768 ad = ((TypeClass *)t1)->sym; | |
| 7769 L1: | |
| 7770 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7771 if (search_function(ad, Id::indexass)) | |
| 7772 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7773 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7774 | |
| 7775 a->insert(0, e2); | |
| 7776 e = new CallExp(loc, e, a); | |
| 7777 e = e->semantic(sc); | |
| 7778 return e; | |
| 7779 } | |
| 7780 else | |
| 7781 { | |
| 7782 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7783 if (search_function(ad, id)) | |
| 7784 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7785 | |
| 7786 if (1 || !global.params.useDeprecated) | |
| 7787 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7788 | |
| 7789 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7790 e = e->semantic(sc); | |
| 7791 return e; | |
| 7792 } | |
| 7793 } | |
| 7794 } | |
| 7795 } | |
| 7796 /* Look for operator overloading of a[i..j]=value. | |
| 7797 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7798 * converted to a.opSlice() already. | |
| 7799 */ | |
| 7800 if (e1->op == TOKslice) | |
| 7801 { Type *t1; | |
| 7802 SliceExp *ae = (SliceExp *)e1; | |
| 7803 AggregateDeclaration *ad; | |
| 7804 Identifier *id = Id::index; | |
| 7805 | |
| 7806 ae->e1 = ae->e1->semantic(sc); | |
| 7807 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7808 t1 = ae->e1->type->toBasetype(); | |
| 7809 if (t1->ty == Tstruct) | |
| 7810 { | |
| 7811 ad = ((TypeStruct *)t1)->sym; | |
| 7812 goto L2; | |
| 7813 } | |
| 7814 else if (t1->ty == Tclass) | |
| 7815 { | |
| 7816 ad = ((TypeClass *)t1)->sym; | |
| 7817 L2: | |
| 7818 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7819 if (search_function(ad, Id::sliceass)) | |
| 7820 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7821 Expressions *a = new Expressions(); | |
| 7822 | |
| 7823 a->push(e2); | |
| 7824 if (ae->lwr) | |
| 7825 { a->push(ae->lwr); | |
| 7826 assert(ae->upr); | |
| 7827 a->push(ae->upr); | |
| 7828 } | |
| 7829 else | |
| 7830 assert(!ae->upr); | |
| 7831 e = new CallExp(loc, e, a); | |
| 7832 e = e->semantic(sc); | |
| 7833 return e; | |
| 7834 } | |
| 7835 } | |
| 7836 } | |
| 7837 | |
| 7838 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7839 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7840 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7841 { // 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
|
7842 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7843 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7844 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7845 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7846 |
| 159 | 7847 e2 = resolveProperties(sc, e2); |
| 7848 assert(e1->type); | |
| 7849 | |
| 7850 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7851 */ | |
| 7852 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7853 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7854 TupleExp *tup2 = (TupleExp *)e2; | |
| 7855 size_t dim = tup1->exps->dim; | |
| 7856 if (dim != tup2->exps->dim) | |
| 7857 { | |
| 7858 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7859 } | |
| 7860 else | |
| 7861 { Expressions *exps = new Expressions; | |
| 7862 exps->setDim(dim); | |
| 7863 | |
| 7864 for (int i = 0; i < dim; i++) | |
| 7865 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7866 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7867 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7868 } | |
| 7869 Expression *e = new TupleExp(loc, exps); | |
| 7870 e = e->semantic(sc); | |
| 7871 return e; | |
| 7872 } | |
| 7873 } | |
| 7874 | |
| 7875 t1 = e1->type->toBasetype(); | |
| 7876 | |
| 7877 if (t1->ty == Tfunction) | |
| 7878 { // Rewrite f=value to f(value) | |
| 7879 Expression *e; | |
| 7880 | |
| 7881 e = new CallExp(loc, e1, e2); | |
| 7882 e = e->semantic(sc); | |
| 7883 return e; | |
| 7884 } | |
| 7885 | |
| 7886 /* If it is an assignment from a 'foreign' type, | |
| 7887 * check for operator overloading. | |
| 7888 */ | |
| 7889 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7890 { | |
| 7891 if (!e2->type->implicitConvTo(e1->type)) | |
| 7892 { | |
| 7893 Expression *e = op_overload(sc); | |
| 7894 if (e) | |
| 7895 return e; | |
| 7896 } | |
| 7897 } | |
| 7898 | |
| 7899 e2->rvalue(); | |
| 7900 | |
| 7901 if (e1->op == TOKarraylength) | |
| 7902 { | |
| 7903 // e1 is not an lvalue, but we let code generator handle it | |
| 7904 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7905 | |
| 7906 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7907 } | |
| 7908 else if (e1->op == TOKslice) | |
| 7909 ; | |
| 7910 else | |
| 7911 { // Try to do a decent error message with the expression | |
| 7912 // before it got constant folded | |
| 7913 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7914 } | |
| 7915 | |
| 7916 if (e1->op == TOKslice && | |
| 7917 t1->nextOf() && | |
| 7918 e2->implicitConvTo(t1->nextOf()) | |
| 7919 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7920 ) | |
| 7921 { // memset | |
| 7922 ismemset = 1; // make it easy for back end to tell what this is | |
| 7923 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7924 } | |
| 7925 else if (t1->ty == Tsarray) | |
| 7926 { | |
| 7927 error("cannot assign to static array %s", e1->toChars()); | |
| 7928 } | |
| 7929 else | |
| 7930 { | |
| 7931 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7932 } | |
|
510
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 /* 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
|
7935 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7936 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
|
7937 (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
|
7938 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
|
7939 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
|
7940 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
|
7941 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
|
7942 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7943 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
|
7944 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
|
7945 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7946 |
| 159 | 7947 type = e1->type; |
| 7948 assert(type); | |
| 7949 return this; | |
| 7950 } | |
| 7951 | |
| 7952 Expression *AssignExp::checkToBoolean() | |
| 7953 { | |
| 7954 // Things like: | |
| 7955 // if (a = b) ... | |
| 7956 // are usually mistakes. | |
| 7957 | |
| 7958 error("'=' does not give a boolean result"); | |
| 7959 return this; | |
| 7960 } | |
| 7961 | |
| 7962 /************************************************************/ | |
| 7963 | |
| 7964 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7965 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7966 { | |
| 7967 } | |
| 7968 | |
| 7969 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7970 { Expression *e; | |
| 7971 | |
| 7972 if (type) | |
| 7973 return this; | |
| 7974 | |
| 7975 BinExp::semantic(sc); | |
| 7976 e2 = resolveProperties(sc, e2); | |
| 7977 | |
| 7978 e = op_overload(sc); | |
| 7979 if (e) | |
| 7980 return e; | |
| 7981 | |
| 7982 Type *tb1 = e1->type->toBasetype(); | |
| 7983 Type *tb2 = e2->type->toBasetype(); | |
| 7984 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7985 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
|
7986 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7987 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
|
7988 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
|
7989 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
|
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 else |
|
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 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
|
7994 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7995 |
| 159 | 7996 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7997 (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
|
7998 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7999 ) |
| 8000 { | |
| 8001 type = e1->type; | |
| 8002 e = this; | |
| 8003 } | |
| 8004 else | |
| 8005 { | |
| 8006 e1->checkScalar(); | |
| 8007 e1->checkNoBool(); | |
| 8008 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8009 e = scaleFactor(sc); | |
| 8010 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8011 { | |
| 8012 #if 0 | |
| 8013 // Need to rethink this | |
| 8014 if (e1->op != TOKvar) | |
| 8015 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8016 VarDeclaration *v; | |
| 8017 Expression *ea; | |
| 8018 Expression *ex; | |
| 8019 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8020 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8021 |
| 8022 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8023 v->semantic(sc); | |
| 8024 if (!sc->insert(v)) | |
| 8025 assert(0); | |
| 8026 v->parent = sc->func; | |
| 8027 | |
| 8028 ea = new AddrExp(loc, e1); | |
| 8029 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8030 | |
| 8031 ex = new VarExp(loc, v); | |
| 8032 ex = new PtrExp(loc, ex); | |
| 8033 e = new AddExp(loc, ex, e2); | |
| 8034 e = new CastExp(loc, e, e1->type); | |
| 8035 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8036 | |
| 8037 e = new CommaExp(loc, ea, e); | |
| 8038 } | |
| 8039 else | |
| 8040 #endif | |
| 8041 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8042 // BUG: doesn't account for side effects in e1 | |
| 8043 // BUG: other assignment operators for bits aren't handled at all | |
| 8044 e = new AddExp(loc, e1, e2); | |
| 8045 e = new CastExp(loc, e, e1->type); | |
| 8046 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8047 } | |
| 8048 e = e->semantic(sc); | |
| 8049 } | |
| 8050 else | |
| 8051 { | |
| 8052 type = e1->type; | |
| 8053 typeCombine(sc); | |
| 8054 e1->checkArithmetic(); | |
| 8055 e2->checkArithmetic(); | |
| 8056 if (type->isreal() || type->isimaginary()) | |
| 8057 { | |
| 8058 assert(global.errors || e2->type->isfloating()); | |
| 8059 e2 = e2->castTo(sc, e1->type); | |
| 8060 } | |
| 8061 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8062 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8063 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
|
8064 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8065 } |
| 8066 } | |
| 8067 return e; | |
| 8068 } | |
| 8069 | |
| 8070 /************************************************************/ | |
| 8071 | |
| 8072 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8073 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8074 { | |
| 8075 } | |
| 8076 | |
| 8077 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8078 { Expression *e; | |
| 8079 | |
| 8080 if (type) | |
| 8081 return this; | |
| 8082 | |
| 8083 BinExp::semantic(sc); | |
| 8084 e2 = resolveProperties(sc, e2); | |
| 8085 | |
| 8086 e = op_overload(sc); | |
| 8087 if (e) | |
| 8088 return e; | |
| 8089 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8090 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
|
8091 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8092 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
|
8093 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
|
8094 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
|
8095 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8096 |
| 159 | 8097 e1 = e1->modifiableLvalue(sc, e1); |
| 8098 e1->checkScalar(); | |
| 8099 e1->checkNoBool(); | |
| 8100 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8101 e = scaleFactor(sc); | |
| 8102 else | |
| 8103 { | |
| 8104 e1 = e1->checkArithmetic(); | |
| 8105 e2 = e2->checkArithmetic(); | |
| 8106 type = e1->type; | |
| 8107 typeCombine(sc); | |
| 8108 if (type->isreal() || type->isimaginary()) | |
| 8109 { | |
| 8110 assert(e2->type->isfloating()); | |
| 8111 e2 = e2->castTo(sc, e1->type); | |
| 8112 } | |
| 8113 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8114 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8115 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
|
8116 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8117 } |
| 8118 return e; | |
| 8119 } | |
| 8120 | |
| 8121 /************************************************************/ | |
| 8122 | |
| 8123 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8124 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8125 { | |
| 8126 } | |
| 8127 | |
| 8128 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8129 { Expression *e; | |
| 8130 | |
| 8131 BinExp::semantic(sc); | |
| 8132 e2 = resolveProperties(sc, e2); | |
| 8133 | |
| 8134 e = op_overload(sc); | |
| 8135 if (e) | |
| 8136 return e; | |
| 8137 | |
| 8138 if (e1->op == TOKslice) | |
| 8139 { SliceExp *se = (SliceExp *)e1; | |
| 8140 | |
| 8141 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8142 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8143 } | |
| 8144 | |
| 8145 e1 = e1->modifiableLvalue(sc, e1); | |
| 8146 | |
| 8147 Type *tb1 = e1->type->toBasetype(); | |
| 8148 Type *tb2 = e2->type->toBasetype(); | |
| 8149 | |
| 8150 e2->rvalue(); | |
| 8151 | |
| 8152 if ((tb1->ty == Tarray) && | |
| 8153 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8154 e2->implicitConvTo(e1->type) | |
| 8155 //e1->type->next->equals(e2->type->next) | |
| 8156 ) | |
| 8157 { // Append array | |
| 8158 e2 = e2->castTo(sc, e1->type); | |
| 8159 type = e1->type; | |
| 8160 e = this; | |
| 8161 } | |
| 8162 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
|
8163 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8164 ) |
| 8165 { // 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
|
8166 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8167 type = e1->type; |
| 8168 e = this; | |
| 8169 } | |
| 8170 else | |
| 8171 { | |
| 8172 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8173 type = Type::tint32; | |
| 8174 e = this; | |
| 8175 } | |
| 8176 return e; | |
| 8177 } | |
| 8178 | |
| 8179 /************************************************************/ | |
| 8180 | |
| 8181 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8182 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8183 { | |
| 8184 } | |
| 8185 | |
| 8186 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8187 { Expression *e; | |
| 8188 | |
| 8189 BinExp::semantic(sc); | |
| 8190 e2 = resolveProperties(sc, e2); | |
| 8191 | |
| 8192 e = op_overload(sc); | |
| 8193 if (e) | |
| 8194 return e; | |
| 8195 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8196 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
|
8197 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8198 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
|
8199 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
|
8200 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
|
8201 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8202 |
| 159 | 8203 e1 = e1->modifiableLvalue(sc, e1); |
| 8204 e1->checkScalar(); | |
| 8205 e1->checkNoBool(); | |
| 8206 type = e1->type; | |
| 8207 typeCombine(sc); | |
| 8208 e1->checkArithmetic(); | |
| 8209 e2->checkArithmetic(); | |
| 8210 if (e2->type->isfloating()) | |
| 8211 { Type *t1; | |
| 8212 Type *t2; | |
| 8213 | |
| 8214 t1 = e1->type; | |
| 8215 t2 = e2->type; | |
| 8216 if (t1->isreal()) | |
| 8217 { | |
| 8218 if (t2->isimaginary() || t2->iscomplex()) | |
| 8219 { | |
| 8220 e2 = e2->castTo(sc, t1); | |
| 8221 } | |
| 8222 } | |
| 8223 else if (t1->isimaginary()) | |
| 8224 { | |
| 8225 if (t2->isimaginary() || t2->iscomplex()) | |
| 8226 { | |
| 8227 switch (t1->ty) | |
| 8228 { | |
| 8229 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8230 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8231 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8232 default: | |
| 8233 assert(0); | |
| 8234 } | |
| 8235 e2 = e2->castTo(sc, t2); | |
| 8236 } | |
| 8237 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8238 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8239 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
|
8240 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8241 } |
| 8242 return this; | |
| 8243 } | |
| 8244 | |
| 8245 /************************************************************/ | |
| 8246 | |
| 8247 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8248 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8249 { | |
| 8250 } | |
| 8251 | |
| 8252 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8253 { Expression *e; | |
| 8254 | |
| 8255 BinExp::semantic(sc); | |
| 8256 e2 = resolveProperties(sc, e2); | |
| 8257 | |
| 8258 e = op_overload(sc); | |
| 8259 if (e) | |
| 8260 return e; | |
| 8261 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8262 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
|
8263 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8264 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
|
8265 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
|
8266 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
|
8267 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8268 |
| 159 | 8269 e1 = e1->modifiableLvalue(sc, e1); |
| 8270 e1->checkScalar(); | |
| 8271 e1->checkNoBool(); | |
| 8272 type = e1->type; | |
| 8273 typeCombine(sc); | |
| 8274 e1->checkArithmetic(); | |
| 8275 e2->checkArithmetic(); | |
| 8276 if (e2->type->isimaginary()) | |
| 8277 { Type *t1; | |
| 8278 Type *t2; | |
| 8279 | |
| 8280 t1 = e1->type; | |
| 8281 if (t1->isreal()) | |
| 8282 { // x/iv = i(-x/v) | |
| 8283 // Therefore, the result is 0 | |
| 8284 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8285 e2->type = t1; | |
| 8286 e = new AssignExp(loc, e1, e2); | |
| 8287 e->type = t1; | |
| 8288 return e; | |
| 8289 } | |
| 8290 else if (t1->isimaginary()) | |
| 8291 { Expression *e; | |
| 8292 | |
| 8293 switch (t1->ty) | |
| 8294 { | |
| 8295 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8296 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8297 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8298 default: | |
| 8299 assert(0); | |
| 8300 } | |
| 8301 e2 = e2->castTo(sc, t2); | |
| 8302 e = new AssignExp(loc, e1, e2); | |
| 8303 e->type = t1; | |
| 8304 return e; | |
| 8305 } | |
| 8306 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8307 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8308 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
|
8309 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
|
8310 |
| 159 | 8311 return this; |
| 8312 } | |
| 8313 | |
| 8314 /************************************************************/ | |
| 8315 | |
| 8316 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8317 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8318 { | |
| 8319 } | |
| 8320 | |
| 8321 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8322 { | |
| 8323 return commonSemanticAssign(sc); | |
| 8324 } | |
| 8325 | |
| 8326 /************************************************************/ | |
| 8327 | |
| 8328 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8329 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8330 { | |
| 8331 } | |
| 8332 | |
| 8333 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8334 { Expression *e; | |
| 8335 | |
| 8336 //printf("ShlAssignExp::semantic()\n"); | |
| 8337 BinExp::semantic(sc); | |
| 8338 e2 = resolveProperties(sc, e2); | |
| 8339 | |
| 8340 e = op_overload(sc); | |
| 8341 if (e) | |
| 8342 return e; | |
| 8343 | |
| 8344 e1 = e1->modifiableLvalue(sc, e1); | |
| 8345 e1->checkScalar(); | |
| 8346 e1->checkNoBool(); | |
| 8347 type = e1->type; | |
| 8348 typeCombine(sc); | |
| 8349 e1->checkIntegral(); | |
| 8350 e2 = e2->checkIntegral(); | |
| 8351 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8352 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8353 return this; |
| 8354 } | |
| 8355 | |
| 8356 /************************************************************/ | |
| 8357 | |
| 8358 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8359 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8360 { | |
| 8361 } | |
| 8362 | |
| 8363 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8364 { Expression *e; | |
| 8365 | |
| 8366 BinExp::semantic(sc); | |
| 8367 e2 = resolveProperties(sc, e2); | |
| 8368 | |
| 8369 e = op_overload(sc); | |
| 8370 if (e) | |
| 8371 return e; | |
| 8372 | |
| 8373 e1 = e1->modifiableLvalue(sc, e1); | |
| 8374 e1->checkScalar(); | |
| 8375 e1->checkNoBool(); | |
| 8376 type = e1->type; | |
| 8377 typeCombine(sc); | |
| 8378 e1->checkIntegral(); | |
| 8379 e2 = e2->checkIntegral(); | |
| 8380 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8381 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8382 return this; |
| 8383 } | |
| 8384 | |
| 8385 /************************************************************/ | |
| 8386 | |
| 8387 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8388 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8389 { | |
| 8390 } | |
| 8391 | |
| 8392 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8393 { Expression *e; | |
| 8394 | |
| 8395 BinExp::semantic(sc); | |
| 8396 e2 = resolveProperties(sc, e2); | |
| 8397 | |
| 8398 e = op_overload(sc); | |
| 8399 if (e) | |
| 8400 return e; | |
| 8401 | |
| 8402 e1 = e1->modifiableLvalue(sc, e1); | |
| 8403 e1->checkScalar(); | |
| 8404 e1->checkNoBool(); | |
| 8405 type = e1->type; | |
| 8406 typeCombine(sc); | |
| 8407 e1->checkIntegral(); | |
| 8408 e2 = e2->checkIntegral(); | |
| 8409 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8410 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8411 return this; |
| 8412 } | |
| 8413 | |
| 8414 /************************************************************/ | |
| 8415 | |
| 8416 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8417 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8418 { | |
| 8419 } | |
| 8420 | |
| 8421 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8422 { | |
| 8423 return commonSemanticAssignIntegral(sc); | |
| 8424 } | |
| 8425 | |
| 8426 /************************************************************/ | |
| 8427 | |
| 8428 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8429 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8430 { | |
| 8431 } | |
| 8432 | |
| 8433 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8434 { | |
| 8435 return commonSemanticAssignIntegral(sc); | |
| 8436 } | |
| 8437 | |
| 8438 /************************************************************/ | |
| 8439 | |
| 8440 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8441 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8442 { | |
| 8443 } | |
| 8444 | |
| 8445 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8446 { | |
| 8447 return commonSemanticAssignIntegral(sc); | |
| 8448 } | |
| 8449 | |
| 8450 /************************* AddExp *****************************/ | |
| 8451 | |
| 8452 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8453 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8454 { | |
| 8455 } | |
| 8456 | |
| 8457 Expression *AddExp::semantic(Scope *sc) | |
| 8458 { Expression *e; | |
| 8459 | |
| 8460 #if LOGSEMANTIC | |
| 8461 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8462 #endif | |
| 8463 if (!type) | |
| 8464 { | |
| 8465 BinExp::semanticp(sc); | |
| 8466 | |
| 8467 e = op_overload(sc); | |
| 8468 if (e) | |
| 8469 return e; | |
| 8470 | |
| 8471 Type *tb1 = e1->type->toBasetype(); | |
| 8472 Type *tb2 = e2->type->toBasetype(); | |
| 8473 | |
| 8474 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8475 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
|
510
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parents:
486
diff
changeset
|
8476 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8477 ) |
| 8478 { | |
| 8479 type = e1->type; | |
| 8480 e = this; | |
| 8481 } | |
| 8482 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8483 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8484 e = scaleFactor(sc); | |
| 8485 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8486 { | |
| 8487 incompatibleTypes(); | |
| 8488 type = e1->type; | |
| 8489 e = this; | |
| 8490 } | |
| 8491 else | |
| 8492 { | |
| 8493 typeCombine(sc); | |
| 8494 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8495 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8496 { | |
| 8497 switch (type->toBasetype()->ty) | |
| 8498 { | |
| 8499 case Tfloat32: | |
| 8500 case Timaginary32: | |
| 8501 type = Type::tcomplex32; | |
| 8502 break; | |
| 8503 | |
| 8504 case Tfloat64: | |
| 8505 case Timaginary64: | |
| 8506 type = Type::tcomplex64; | |
| 8507 break; | |
| 8508 | |
| 8509 case Tfloat80: | |
| 8510 case Timaginary80: | |
| 8511 type = Type::tcomplex80; | |
| 8512 break; | |
| 8513 | |
| 8514 default: | |
| 8515 assert(0); | |
| 8516 } | |
| 8517 } | |
| 8518 e = this; | |
| 8519 } | |
| 8520 return e; | |
| 8521 } | |
| 8522 return this; | |
| 8523 } | |
| 8524 | |
| 8525 /************************************************************/ | |
| 8526 | |
| 8527 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8528 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8529 { | |
| 8530 } | |
| 8531 | |
| 8532 Expression *MinExp::semantic(Scope *sc) | |
| 8533 { Expression *e; | |
| 8534 Type *t1; | |
| 8535 Type *t2; | |
| 8536 | |
| 8537 #if LOGSEMANTIC | |
| 8538 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8539 #endif | |
| 8540 if (type) | |
| 8541 return this; | |
| 8542 | |
| 8543 BinExp::semanticp(sc); | |
| 8544 | |
| 8545 e = op_overload(sc); | |
| 8546 if (e) | |
| 8547 return e; | |
| 8548 | |
| 8549 e = this; | |
| 8550 t1 = e1->type->toBasetype(); | |
| 8551 t2 = e2->type->toBasetype(); | |
| 8552 if (t1->ty == Tpointer) | |
| 8553 { | |
| 8554 if (t2->ty == Tpointer) | |
| 8555 { // Need to divide the result by the stride | |
| 8556 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8557 d_int64 stride; | |
| 8558 Expression *e; | |
| 8559 | |
| 8560 typeCombine(sc); // make sure pointer types are compatible | |
| 8561 type = Type::tptrdiff_t; | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8562 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
|
8563 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
|
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 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
|
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 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8568 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8569 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
|
8570 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
|
8571 } |
| 159 | 8572 return e; |
| 8573 } | |
| 8574 else if (t2->isintegral()) | |
| 8575 e = scaleFactor(sc); | |
| 8576 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
|
8577 { error("incompatible types for minus"); |
| 159 | 8578 return new IntegerExp(0); |
| 8579 } | |
| 8580 } | |
| 8581 else if (t2->ty == Tpointer) | |
| 8582 { | |
| 8583 type = e2->type; | |
| 8584 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8585 return new IntegerExp(0); | |
| 8586 } | |
| 8587 else | |
| 8588 { | |
| 8589 typeCombine(sc); | |
| 8590 t1 = e1->type->toBasetype(); | |
| 8591 t2 = e2->type->toBasetype(); | |
| 8592 if ((t1->isreal() && t2->isimaginary()) || | |
| 8593 (t1->isimaginary() && t2->isreal())) | |
| 8594 { | |
| 8595 switch (type->ty) | |
| 8596 { | |
| 8597 case Tfloat32: | |
| 8598 case Timaginary32: | |
| 8599 type = Type::tcomplex32; | |
| 8600 break; | |
| 8601 | |
| 8602 case Tfloat64: | |
| 8603 case Timaginary64: | |
| 8604 type = Type::tcomplex64; | |
| 8605 break; | |
| 8606 | |
| 8607 case Tfloat80: | |
| 8608 case Timaginary80: | |
| 8609 type = Type::tcomplex80; | |
| 8610 break; | |
| 8611 | |
| 8612 default: | |
| 8613 assert(0); | |
| 8614 } | |
| 8615 } | |
| 8616 } | |
| 8617 return e; | |
| 8618 } | |
| 8619 | |
| 8620 /************************* CatExp *****************************/ | |
| 8621 | |
| 8622 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8623 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8624 { | |
| 8625 } | |
| 8626 | |
| 8627 Expression *CatExp::semantic(Scope *sc) | |
| 8628 { Expression *e; | |
| 8629 | |
| 8630 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8631 if (!type) | |
| 8632 { | |
| 8633 BinExp::semanticp(sc); | |
| 8634 e = op_overload(sc); | |
| 8635 if (e) | |
| 8636 return e; | |
| 8637 | |
| 8638 Type *tb1 = e1->type->toBasetype(); | |
| 8639 Type *tb2 = e2->type->toBasetype(); | |
| 8640 | |
| 8641 | |
| 8642 /* BUG: Should handle things like: | |
| 8643 * char c; | |
| 8644 * c ~ ' ' | |
| 8645 * ' ' ~ c; | |
| 8646 */ | |
| 8647 | |
| 8648 #if 0 | |
| 8649 e1->type->print(); | |
| 8650 e2->type->print(); | |
| 8651 #endif | |
| 8652 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8653 e2->type->equals(tb1->next)) | |
| 8654 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8655 type = tb1->nextOf()->arrayOf(); |
| 159 | 8656 if (tb2->ty == Tarray) |
| 8657 { // Make e2 into [e2] | |
| 8658 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8659 e2->type = type; | |
| 8660 } | |
| 8661 return this; | |
| 8662 } | |
| 8663 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8664 e1->type->equals(tb2->next)) | |
| 8665 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8666 type = tb2->nextOf()->arrayOf(); |
| 159 | 8667 if (tb1->ty == Tarray) |
| 8668 { // Make e1 into [e1] | |
| 8669 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8670 e1->type = type; | |
| 8671 } | |
| 8672 return this; | |
| 8673 } | |
| 8674 | |
| 8675 typeCombine(sc); | |
| 8676 | |
| 8677 if (type->toBasetype()->ty == Tsarray) | |
| 8678 type = type->toBasetype()->next->arrayOf(); | |
| 8679 #if 0 | |
| 8680 e1->type->print(); | |
| 8681 e2->type->print(); | |
| 8682 type->print(); | |
| 8683 print(); | |
| 8684 #endif | |
| 8685 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8686 e = optimize(WANTvalue); | |
| 8687 else if (e1->type->equals(e2->type) && | |
| 8688 (e1->type->toBasetype()->ty == Tarray || | |
| 8689 e1->type->toBasetype()->ty == Tsarray)) | |
| 8690 { | |
| 8691 e = this; | |
| 8692 } | |
| 8693 else | |
| 8694 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8695 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8696 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8697 e1->type->toChars(), e2->type->toChars()); | |
| 8698 type = Type::tint32; | |
| 8699 e = this; | |
| 8700 } | |
| 8701 e->type = e->type->semantic(loc, sc); | |
| 8702 return e; | |
| 8703 } | |
| 8704 return this; | |
| 8705 } | |
| 8706 | |
| 8707 /************************************************************/ | |
| 8708 | |
| 8709 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8710 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8711 { | |
| 8712 } | |
| 8713 | |
| 8714 Expression *MulExp::semantic(Scope *sc) | |
| 8715 { Expression *e; | |
| 8716 | |
| 8717 #if 0 | |
| 8718 printf("MulExp::semantic() %s\n", toChars()); | |
| 8719 #endif | |
| 8720 if (type) | |
| 8721 { | |
| 8722 return this; | |
| 8723 } | |
| 8724 | |
| 8725 BinExp::semanticp(sc); | |
| 8726 e = op_overload(sc); | |
| 8727 if (e) | |
| 8728 return e; | |
| 8729 | |
| 8730 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
|
8731 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
|
8732 { 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
|
8733 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
|
8734 } |
| 159 | 8735 if (type->isfloating()) |
| 8736 { Type *t1 = e1->type; | |
| 8737 Type *t2 = e2->type; | |
| 8738 | |
| 8739 if (t1->isreal()) | |
| 8740 { | |
| 8741 type = t2; | |
| 8742 } | |
| 8743 else if (t2->isreal()) | |
| 8744 { | |
| 8745 type = t1; | |
| 8746 } | |
| 8747 else if (t1->isimaginary()) | |
| 8748 { | |
| 8749 if (t2->isimaginary()) | |
| 8750 { Expression *e; | |
| 8751 | |
| 8752 switch (t1->ty) | |
| 8753 { | |
| 8754 case Timaginary32: type = Type::tfloat32; break; | |
| 8755 case Timaginary64: type = Type::tfloat64; break; | |
| 8756 case Timaginary80: type = Type::tfloat80; break; | |
| 8757 default: assert(0); | |
| 8758 } | |
| 8759 | |
| 8760 // iy * iv = -yv | |
| 8761 e1->type = type; | |
| 8762 e2->type = type; | |
| 8763 e = new NegExp(loc, this); | |
| 8764 e = e->semantic(sc); | |
| 8765 return e; | |
| 8766 } | |
| 8767 else | |
| 8768 type = t2; // t2 is complex | |
| 8769 } | |
| 8770 else if (t2->isimaginary()) | |
| 8771 { | |
| 8772 type = t1; // t1 is complex | |
| 8773 } | |
| 8774 } | |
| 8775 return this; | |
| 8776 } | |
| 8777 | |
| 8778 /************************************************************/ | |
| 8779 | |
| 8780 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8781 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8782 { | |
| 8783 } | |
| 8784 | |
| 8785 Expression *DivExp::semantic(Scope *sc) | |
| 8786 { Expression *e; | |
| 8787 | |
| 8788 if (type) | |
| 8789 return this; | |
| 8790 | |
| 8791 BinExp::semanticp(sc); | |
| 8792 e = op_overload(sc); | |
| 8793 if (e) | |
| 8794 return e; | |
| 8795 | |
| 8796 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
|
8797 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
|
8798 { 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
|
8799 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
|
8800 } |
| 159 | 8801 if (type->isfloating()) |
| 8802 { Type *t1 = e1->type; | |
| 8803 Type *t2 = e2->type; | |
| 8804 | |
| 8805 if (t1->isreal()) | |
| 8806 { | |
| 8807 type = t2; | |
| 8808 if (t2->isimaginary()) | |
| 8809 { Expression *e; | |
| 8810 | |
| 8811 // x/iv = i(-x/v) | |
| 8812 e2->type = t1; | |
| 8813 e = new NegExp(loc, this); | |
| 8814 e = e->semantic(sc); | |
| 8815 return e; | |
| 8816 } | |
| 8817 } | |
| 8818 else if (t2->isreal()) | |
| 8819 { | |
| 8820 type = t1; | |
| 8821 } | |
| 8822 else if (t1->isimaginary()) | |
| 8823 { | |
| 8824 if (t2->isimaginary()) | |
| 8825 { | |
| 8826 switch (t1->ty) | |
| 8827 { | |
| 8828 case Timaginary32: type = Type::tfloat32; break; | |
| 8829 case Timaginary64: type = Type::tfloat64; break; | |
| 8830 case Timaginary80: type = Type::tfloat80; break; | |
| 8831 default: assert(0); | |
| 8832 } | |
| 8833 } | |
| 8834 else | |
| 8835 type = t2; // t2 is complex | |
| 8836 } | |
| 8837 else if (t2->isimaginary()) | |
| 8838 { | |
| 8839 type = t1; // t1 is complex | |
| 8840 } | |
| 8841 } | |
| 8842 return this; | |
| 8843 } | |
| 8844 | |
| 8845 /************************************************************/ | |
| 8846 | |
| 8847 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8848 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8849 { | |
| 8850 } | |
| 8851 | |
| 8852 Expression *ModExp::semantic(Scope *sc) | |
| 8853 { Expression *e; | |
| 8854 | |
| 8855 if (type) | |
| 8856 return this; | |
| 8857 | |
| 8858 BinExp::semanticp(sc); | |
| 8859 e = op_overload(sc); | |
| 8860 if (e) | |
| 8861 return e; | |
| 8862 | |
| 8863 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
|
8864 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
|
8865 { 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
|
8866 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
|
8867 } |
| 159 | 8868 if (type->isfloating()) |
| 8869 { type = e1->type; | |
| 8870 if (e2->type->iscomplex()) | |
| 8871 { error("cannot perform modulo complex arithmetic"); | |
| 8872 return new IntegerExp(0); | |
| 8873 } | |
| 8874 } | |
| 8875 return this; | |
| 8876 } | |
| 8877 | |
| 8878 /************************************************************/ | |
| 8879 | |
| 8880 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8881 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8882 { | |
| 8883 } | |
| 8884 | |
| 8885 Expression *ShlExp::semantic(Scope *sc) | |
| 8886 { Expression *e; | |
| 8887 | |
| 8888 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8889 if (!type) | |
| 8890 { BinExp::semanticp(sc); | |
| 8891 e = op_overload(sc); | |
| 8892 if (e) | |
| 8893 return e; | |
| 8894 e1 = e1->checkIntegral(); | |
| 8895 e2 = e2->checkIntegral(); | |
| 8896 e1 = e1->integralPromotions(sc); | |
| 8897 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8898 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8899 type = e1->type; |
| 8900 } | |
| 8901 return this; | |
| 8902 } | |
| 8903 | |
| 8904 /************************************************************/ | |
| 8905 | |
| 8906 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8907 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8908 { | |
| 8909 } | |
| 8910 | |
| 8911 Expression *ShrExp::semantic(Scope *sc) | |
| 8912 { Expression *e; | |
| 8913 | |
| 8914 if (!type) | |
| 8915 { BinExp::semanticp(sc); | |
| 8916 e = op_overload(sc); | |
| 8917 if (e) | |
| 8918 return e; | |
| 8919 e1 = e1->checkIntegral(); | |
| 8920 e2 = e2->checkIntegral(); | |
| 8921 e1 = e1->integralPromotions(sc); | |
| 8922 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8923 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8924 type = e1->type; |
| 8925 } | |
| 8926 return this; | |
| 8927 } | |
| 8928 | |
| 8929 /************************************************************/ | |
| 8930 | |
| 8931 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8932 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8933 { | |
| 8934 } | |
| 8935 | |
| 8936 Expression *UshrExp::semantic(Scope *sc) | |
| 8937 { Expression *e; | |
| 8938 | |
| 8939 if (!type) | |
| 8940 { BinExp::semanticp(sc); | |
| 8941 e = op_overload(sc); | |
| 8942 if (e) | |
| 8943 return e; | |
| 8944 e1 = e1->checkIntegral(); | |
| 8945 e2 = e2->checkIntegral(); | |
| 8946 e1 = e1->integralPromotions(sc); | |
| 8947 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
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Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8948 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8949 type = e1->type; |
| 8950 } | |
| 8951 return this; | |
| 8952 } | |
| 8953 | |
| 8954 /************************************************************/ | |
| 8955 | |
| 8956 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8957 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8958 { | |
| 8959 } | |
| 8960 | |
| 8961 Expression *AndExp::semantic(Scope *sc) | |
| 8962 { Expression *e; | |
| 8963 | |
| 8964 if (!type) | |
| 8965 { BinExp::semanticp(sc); | |
| 8966 e = op_overload(sc); | |
| 8967 if (e) | |
| 8968 return e; | |
| 8969 if (e1->type->toBasetype()->ty == Tbool && | |
| 8970 e2->type->toBasetype()->ty == Tbool) | |
| 8971 { | |
| 8972 type = e1->type; | |
| 8973 e = this; | |
| 8974 } | |
| 8975 else | |
| 8976 { | |
| 8977 typeCombine(sc); | |
|
510
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8978 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
|
8979 { 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
|
8980 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
|
8981 } |
| 159 | 8982 } |
| 8983 } | |
| 8984 return this; | |
| 8985 } | |
| 8986 | |
| 8987 /************************************************************/ | |
| 8988 | |
| 8989 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8990 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8991 { | |
| 8992 } | |
| 8993 | |
| 8994 Expression *OrExp::semantic(Scope *sc) | |
| 8995 { Expression *e; | |
| 8996 | |
| 8997 if (!type) | |
| 8998 { BinExp::semanticp(sc); | |
| 8999 e = op_overload(sc); | |
| 9000 if (e) | |
| 9001 return e; | |
| 9002 if (e1->type->toBasetype()->ty == Tbool && | |
| 9003 e2->type->toBasetype()->ty == Tbool) | |
| 9004 { | |
| 9005 type = e1->type; | |
| 9006 e = this; | |
| 9007 } | |
| 9008 else | |
| 9009 { | |
| 9010 typeCombine(sc); | |
|
510
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Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
9011 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
|
9012 { 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
|
9013 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
|
9014 } |
| 159 | 9015 } |
| 9016 } | |
| 9017 return this; | |
| 9018 } | |
| 9019 | |
| 9020 /************************************************************/ | |
| 9021 | |
| 9022 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9023 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9024 { | |
| 9025 } | |
| 9026 | |
| 9027 Expression *XorExp::semantic(Scope *sc) | |
| 9028 { Expression *e; | |
| 9029 | |
| 9030 if (!type) | |
| 9031 { BinExp::semanticp(sc); | |
| 9032 e = op_overload(sc); | |
| 9033 if (e) | |
| 9034 return e; | |
| 9035 if (e1->type->toBasetype()->ty == Tbool && | |
| 9036 e2->type->toBasetype()->ty == Tbool) | |
| 9037 { | |
| 9038 type = e1->type; | |
| 9039 e = this; | |
| 9040 } | |
| 9041 else | |
| 9042 { | |
| 9043 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
|
9044 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
|
9045 { 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
|
9046 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
|
9047 } |
| 159 | 9048 } |
| 9049 } | |
| 9050 return this; | |
| 9051 } | |
| 9052 | |
| 9053 | |
| 9054 /************************************************************/ | |
| 9055 | |
| 9056 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9057 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9058 { | |
| 9059 } | |
| 9060 | |
| 9061 Expression *OrOrExp::semantic(Scope *sc) | |
| 9062 { | |
| 9063 unsigned cs1; | |
| 9064 | |
| 9065 // same as for AndAnd | |
| 9066 e1 = e1->semantic(sc); | |
| 9067 e1 = resolveProperties(sc, e1); | |
| 9068 e1 = e1->checkToPointer(); | |
| 9069 e1 = e1->checkToBoolean(); | |
| 9070 cs1 = sc->callSuper; | |
| 9071 | |
| 9072 if (sc->flags & SCOPEstaticif) | |
| 9073 { | |
| 9074 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9075 */ | |
| 9076 e1 = e1->optimize(WANTflags); | |
| 9077 if (e1->isBool(TRUE)) | |
| 9078 { | |
| 9079 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9080 } | |
| 9081 } | |
| 9082 | |
| 9083 e2 = e2->semantic(sc); | |
| 9084 sc->mergeCallSuper(loc, cs1); | |
| 9085 e2 = resolveProperties(sc, e2); | |
| 9086 e2 = e2->checkToPointer(); | |
| 9087 | |
| 9088 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
|
9089 if (e2->type->ty == Tvoid) |
| 159 | 9090 type = Type::tvoid; |
| 9091 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9092 error("%s is not an expression", e2->toChars()); | |
| 9093 return this; | |
| 9094 } | |
| 9095 | |
| 9096 Expression *OrOrExp::checkToBoolean() | |
| 9097 { | |
| 9098 e2 = e2->checkToBoolean(); | |
| 9099 return this; | |
| 9100 } | |
| 9101 | |
| 9102 int OrOrExp::isBit() | |
| 9103 { | |
| 9104 return TRUE; | |
| 9105 } | |
| 9106 | |
| 9107 int OrOrExp::checkSideEffect(int flag) | |
| 9108 { | |
| 9109 if (flag == 2) | |
| 9110 { | |
| 9111 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9112 } | |
| 9113 else | |
| 9114 { e1->checkSideEffect(1); | |
| 9115 return e2->checkSideEffect(flag); | |
| 9116 } | |
| 9117 } | |
| 9118 | |
| 9119 /************************************************************/ | |
| 9120 | |
| 9121 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9122 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9123 { | |
| 9124 } | |
| 9125 | |
| 9126 Expression *AndAndExp::semantic(Scope *sc) | |
| 9127 { | |
| 9128 unsigned cs1; | |
| 9129 | |
| 9130 // same as for OrOr | |
| 9131 e1 = e1->semantic(sc); | |
| 9132 e1 = resolveProperties(sc, e1); | |
| 9133 e1 = e1->checkToPointer(); | |
| 9134 e1 = e1->checkToBoolean(); | |
| 9135 cs1 = sc->callSuper; | |
| 9136 | |
| 9137 if (sc->flags & SCOPEstaticif) | |
| 9138 { | |
| 9139 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9140 */ | |
| 9141 e1 = e1->optimize(WANTflags); | |
| 9142 if (e1->isBool(FALSE)) | |
| 9143 { | |
| 9144 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9145 } | |
| 9146 } | |
| 9147 | |
| 9148 e2 = e2->semantic(sc); | |
| 9149 sc->mergeCallSuper(loc, cs1); | |
| 9150 e2 = resolveProperties(sc, e2); | |
| 9151 e2 = e2->checkToPointer(); | |
| 9152 | |
| 9153 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
|
9154 if (e2->type->ty == Tvoid) |
| 159 | 9155 type = Type::tvoid; |
| 9156 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9157 error("%s is not an expression", e2->toChars()); | |
| 9158 return this; | |
| 9159 } | |
| 9160 | |
| 9161 Expression *AndAndExp::checkToBoolean() | |
| 9162 { | |
| 9163 e2 = e2->checkToBoolean(); | |
| 9164 return this; | |
| 9165 } | |
| 9166 | |
| 9167 int AndAndExp::isBit() | |
| 9168 { | |
| 9169 return TRUE; | |
| 9170 } | |
| 9171 | |
| 9172 int AndAndExp::checkSideEffect(int flag) | |
| 9173 { | |
| 9174 if (flag == 2) | |
| 9175 { | |
| 9176 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9177 } | |
| 9178 else | |
| 9179 { | |
| 9180 e1->checkSideEffect(1); | |
| 9181 return e2->checkSideEffect(flag); | |
| 9182 } | |
| 9183 } | |
| 9184 | |
| 9185 /************************************************************/ | |
| 9186 | |
| 9187 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9188 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9189 { | |
| 9190 } | |
| 9191 | |
| 9192 Expression *InExp::semantic(Scope *sc) | |
| 9193 { Expression *e; | |
| 9194 | |
| 9195 if (type) | |
| 9196 return this; | |
| 9197 | |
| 9198 BinExp::semanticp(sc); | |
| 9199 e = op_overload(sc); | |
| 9200 if (e) | |
| 9201 return e; | |
| 9202 | |
| 9203 //type = Type::tboolean; | |
| 9204 Type *t2b = e2->type->toBasetype(); | |
| 9205 if (t2b->ty != Taarray) | |
| 9206 { | |
| 9207 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9208 type = Type::terror; | |
| 9209 } | |
| 9210 else | |
| 9211 { | |
| 9212 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9213 | |
| 9214 // Convert key to type of key | |
| 9215 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9216 | |
| 9217 // 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
|
9218 type = ta->nextOf()->pointerTo(); |
| 159 | 9219 } |
| 9220 return this; | |
| 9221 } | |
| 9222 | |
| 9223 int InExp::isBit() | |
| 9224 { | |
| 9225 return FALSE; | |
| 9226 } | |
| 9227 | |
| 9228 | |
| 9229 /************************************************************/ | |
| 9230 | |
| 9231 /* This deletes the key e1 from the associative array e2 | |
| 9232 */ | |
| 9233 | |
| 9234 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9235 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9236 { | |
| 9237 type = Type::tvoid; | |
| 9238 } | |
| 9239 | |
| 9240 /************************************************************/ | |
| 9241 | |
| 9242 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9243 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9244 { | |
| 9245 } | |
| 9246 | |
| 9247 Expression *CmpExp::semantic(Scope *sc) | |
| 9248 { Expression *e; | |
| 9249 Type *t1; | |
| 9250 Type *t2; | |
| 9251 | |
| 9252 #if LOGSEMANTIC | |
| 9253 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9254 #endif | |
| 9255 if (type) | |
| 9256 return this; | |
| 9257 | |
| 9258 BinExp::semanticp(sc); | |
| 9259 | |
| 9260 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9261 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9262 { | |
| 9263 error("do not use null when comparing class types"); | |
| 9264 } | |
| 9265 | |
| 9266 e = op_overload(sc); | |
| 9267 if (e) | |
| 9268 { | |
| 9269 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9270 e = e->semantic(sc); | |
| 9271 return e; | |
| 9272 } | |
| 9273 | |
| 9274 typeCombine(sc); | |
| 9275 type = Type::tboolean; | |
| 9276 | |
| 9277 // Special handling for array comparisons | |
| 9278 t1 = e1->type->toBasetype(); | |
| 9279 t2 = e2->type->toBasetype(); | |
| 9280 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9281 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9282 { | |
| 9283 if (!t1->next->equals(t2->next)) | |
| 9284 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9285 e = this; | |
| 9286 } | |
| 9287 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9288 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9289 { | |
| 9290 if (t2->ty == Tstruct) | |
| 9291 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9292 else | |
| 9293 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9294 e = this; | |
| 9295 } | |
| 9296 #if 1 | |
| 9297 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9298 { | |
| 9299 error("compare not defined for complex operands"); | |
| 9300 e = new IntegerExp(0); | |
| 9301 } | |
| 9302 #endif | |
| 9303 else | |
| 9304 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
|
9305 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9306 return e; |
| 9307 } | |
| 9308 | |
| 9309 int CmpExp::isBit() | |
| 9310 { | |
| 9311 return TRUE; | |
| 9312 } | |
| 9313 | |
| 9314 | |
| 9315 /************************************************************/ | |
| 9316 | |
| 9317 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9318 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9319 { | |
| 9320 assert(op == TOKequal || op == TOKnotequal); | |
| 9321 } | |
| 9322 | |
| 9323 Expression *EqualExp::semantic(Scope *sc) | |
| 9324 { Expression *e; | |
| 9325 Type *t1; | |
| 9326 Type *t2; | |
| 9327 | |
| 9328 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9329 if (type) | |
| 9330 return this; | |
| 9331 | |
| 9332 BinExp::semanticp(sc); | |
| 9333 | |
| 9334 /* Before checking for operator overloading, check to see if we're | |
| 9335 * comparing the addresses of two statics. If so, we can just see | |
| 9336 * if they are the same symbol. | |
| 9337 */ | |
| 9338 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9339 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9340 AddrExp *ae2 = (AddrExp *)e2; | |
| 9341 | |
| 9342 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9343 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9344 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9345 | |
| 9346 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9347 { | |
| 9348 // They are the same, result is 'true' for ==, 'false' for != | |
| 9349 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9350 return e; | |
| 9351 } | |
| 9352 } | |
| 9353 } | |
| 9354 | |
| 9355 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9356 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9357 { | |
| 9358 error("use '%s' instead of '%s' when comparing with null", | |
| 9359 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9360 Token::toChars(op)); | |
| 9361 } | |
| 9362 | |
| 9363 //if (e2->op != TOKnull) | |
| 9364 { | |
| 9365 e = op_overload(sc); | |
| 9366 if (e) | |
| 9367 { | |
| 9368 if (op == TOKnotequal) | |
| 9369 { | |
| 9370 e = new NotExp(e->loc, e); | |
| 9371 e = e->semantic(sc); | |
| 9372 } | |
| 9373 return e; | |
| 9374 } | |
| 9375 } | |
| 9376 | |
| 9377 e = typeCombine(sc); | |
| 9378 type = Type::tboolean; | |
| 9379 | |
| 9380 // Special handling for array comparisons | |
| 9381 t1 = e1->type->toBasetype(); | |
| 9382 t2 = e2->type->toBasetype(); | |
| 9383 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9384 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9385 { | |
| 9386 if (!t1->next->equals(t2->next)) | |
| 9387 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9388 } | |
| 9389 else | |
| 9390 { | |
| 9391 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9392 { | |
| 9393 // Cast both to complex | |
| 9394 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9395 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9396 } | |
| 9397 } | |
| 9398 return e; | |
| 9399 } | |
| 9400 | |
| 9401 int EqualExp::isBit() | |
| 9402 { | |
| 9403 return TRUE; | |
| 9404 } | |
| 9405 | |
| 9406 | |
| 9407 | |
| 9408 /************************************************************/ | |
| 9409 | |
| 9410 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9411 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9412 { | |
| 9413 } | |
| 9414 | |
| 9415 Expression *IdentityExp::semantic(Scope *sc) | |
| 9416 { | |
| 9417 if (type) | |
| 9418 return this; | |
| 9419 | |
| 9420 BinExp::semanticp(sc); | |
| 9421 type = Type::tboolean; | |
| 9422 typeCombine(sc); | |
| 9423 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9424 { | |
| 9425 // Cast both to complex | |
| 9426 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9427 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9428 } | |
| 9429 return this; | |
| 9430 } | |
| 9431 | |
| 9432 int IdentityExp::isBit() | |
| 9433 { | |
| 9434 return TRUE; | |
| 9435 } | |
| 9436 | |
| 9437 | |
| 9438 /****************************************************************/ | |
| 9439 | |
| 9440 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9441 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9442 { | |
| 9443 this->econd = econd; | |
| 9444 } | |
| 9445 | |
| 9446 Expression *CondExp::syntaxCopy() | |
| 9447 { | |
| 9448 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9449 } | |
| 9450 | |
| 9451 | |
| 9452 Expression *CondExp::semantic(Scope *sc) | |
| 9453 { Type *t1; | |
| 9454 Type *t2; | |
| 9455 unsigned cs0; | |
| 9456 unsigned cs1; | |
| 9457 | |
| 9458 #if LOGSEMANTIC | |
| 9459 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9460 #endif | |
| 9461 if (type) | |
| 9462 return this; | |
| 9463 | |
| 9464 econd = econd->semantic(sc); | |
| 9465 econd = resolveProperties(sc, econd); | |
| 9466 econd = econd->checkToPointer(); | |
| 9467 econd = econd->checkToBoolean(); | |
| 9468 | |
| 9469 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9470 * both contribute to the type of the result. | |
| 9471 */ | |
| 9472 if (sc->flags & SCOPEstaticif) | |
| 9473 { | |
| 9474 /* If in static if, don't evaluate what we don't have to. | |
| 9475 */ | |
| 9476 econd = econd->optimize(WANTflags); | |
| 9477 if (econd->isBool(TRUE)) | |
| 9478 { | |
| 9479 e1 = e1->semantic(sc); | |
| 9480 e1 = resolveProperties(sc, e1); | |
| 9481 return e1; | |
| 9482 } | |
| 9483 else if (econd->isBool(FALSE)) | |
| 9484 { | |
| 9485 e2 = e2->semantic(sc); | |
| 9486 e2 = resolveProperties(sc, e2); | |
| 9487 return e2; | |
| 9488 } | |
| 9489 } | |
| 9490 #endif | |
| 9491 | |
| 9492 | |
| 9493 cs0 = sc->callSuper; | |
| 9494 e1 = e1->semantic(sc); | |
| 9495 e1 = resolveProperties(sc, e1); | |
| 9496 cs1 = sc->callSuper; | |
| 9497 sc->callSuper = cs0; | |
| 9498 e2 = e2->semantic(sc); | |
| 9499 e2 = resolveProperties(sc, e2); | |
| 9500 sc->mergeCallSuper(loc, cs1); | |
| 9501 | |
| 9502 | |
| 9503 // If either operand is void, the result is void | |
| 9504 t1 = e1->type; | |
| 9505 t2 = e2->type; | |
| 9506 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9507 type = Type::tvoid; | |
| 9508 else if (t1 == t2) | |
| 9509 type = t1; | |
| 9510 else | |
| 9511 { | |
| 9512 typeCombine(sc); | |
| 9513 switch (e1->type->toBasetype()->ty) | |
| 9514 { | |
| 9515 case Tcomplex32: | |
| 9516 case Tcomplex64: | |
| 9517 case Tcomplex80: | |
| 9518 e2 = e2->castTo(sc, e1->type); | |
| 9519 break; | |
| 9520 } | |
| 9521 switch (e2->type->toBasetype()->ty) | |
| 9522 { | |
| 9523 case Tcomplex32: | |
| 9524 case Tcomplex64: | |
| 9525 case Tcomplex80: | |
| 9526 e1 = e1->castTo(sc, e2->type); | |
| 9527 break; | |
| 9528 } | |
| 9529 } | |
|
875
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846
diff
changeset
|
9530 #if 0 |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
9531 printf("res: %s\n", type->toChars()); |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9532 printf("e1 : %s\n", e1->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9533 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9534 #endif |
| 159 | 9535 return this; |
| 9536 } | |
| 9537 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9538 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9539 int CondExp::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 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9542 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9543 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9544 |
| 159 | 9545 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9546 { | |
| 9547 PtrExp *e; | |
| 9548 | |
| 9549 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9550 e = new PtrExp(loc, this, type); | |
| 9551 | |
| 9552 e1 = e1->addressOf(sc); | |
| 9553 //e1 = e1->toLvalue(sc, NULL); | |
| 9554 | |
| 9555 e2 = e2->addressOf(sc); | |
| 9556 //e2 = e2->toLvalue(sc, NULL); | |
| 9557 | |
| 9558 typeCombine(sc); | |
| 9559 | |
| 9560 type = e2->type; | |
| 9561 return e; | |
| 9562 } | |
| 9563 | |
| 9564 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9565 { | |
| 9566 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9567 return this; | |
| 9568 } | |
| 9569 | |
| 9570 void CondExp::checkEscape() | |
| 9571 { | |
| 9572 e1->checkEscape(); | |
| 9573 e2->checkEscape(); | |
| 9574 } | |
| 9575 | |
| 9576 | |
| 9577 Expression *CondExp::checkToBoolean() | |
| 9578 { | |
| 9579 e1 = e1->checkToBoolean(); | |
| 9580 e2 = e2->checkToBoolean(); | |
| 9581 return this; | |
| 9582 } | |
| 9583 | |
| 9584 int CondExp::checkSideEffect(int flag) | |
| 9585 { | |
| 9586 if (flag == 2) | |
| 9587 { | |
| 9588 return econd->checkSideEffect(2) || | |
| 9589 e1->checkSideEffect(2) || | |
| 9590 e2->checkSideEffect(2); | |
| 9591 } | |
| 9592 else | |
| 9593 { | |
| 9594 econd->checkSideEffect(1); | |
| 9595 e1->checkSideEffect(flag); | |
| 9596 return e2->checkSideEffect(flag); | |
| 9597 } | |
| 9598 } | |
| 9599 | |
|
875
330f999ade44
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parents:
846
diff
changeset
|
9600 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9601 int CondExp::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 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9604 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9605 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9606 |
| 159 | 9607 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9608 { | |
| 9609 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9610 buf->writestring(" ? "); | |
| 9611 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9612 buf->writestring(" : "); | |
| 9613 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9614 } | |
| 9615 | |
|
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
|
9616 /************************************************************/ |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9617 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9618 #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
|
9619 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9620 // 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
|
9621 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9622 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
|
9623 : 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
|
9624 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9625 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
|
9626 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
|
9627 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9628 |
|
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 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
|
9630 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9631 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
|
9632 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
|
9633 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
|
9634 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9635 |
|
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 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
|
9637 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9638 // 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
|
9639 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
|
9640 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9641 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9642 #endif |