Mercurial > projects > ldc
annotate dmd/expression.c @ 1120:0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
to pointers were truncated to 32-bit values.
Closes #234.
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Sun, 15 Mar 2009 15:58:38 +0100 |
| parents | b30fe7e1dbb9 |
| children | e7f0c2b48047 |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
|
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3 // Copyright (c) 1999-2009 by Digital Mars |
| 159 | 4 // All Rights Reserved |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
|
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14 #include <math.h> |
| 159 | 15 #include <assert.h> |
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16 #if _MSC_VER |
| 159 | 17 #include <complex> |
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18 #else |
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19 #endif |
| 159 | 20 |
| 21 #if _WIN32 && __DMC__ | |
| 22 extern "C" char * __cdecl __locale_decpoint; | |
| 23 #endif | |
| 24 | |
|
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25 #if __MINGW32__ |
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26 #ifndef isnan |
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27 #define isnan _isnan |
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28 #endif |
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29 #endif |
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30 |
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31 #ifdef __APPLE__ |
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32 #ifndef isnan |
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33 int isnan(double); |
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34 #endif |
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35 #endif |
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36 |
| 159 | 37 #if IN_GCC |
| 38 // Issues with using -include total.h (defines integer_t) and then complex.h fails... | |
| 39 #undef integer_t | |
| 40 #endif | |
| 41 | |
| 42 #ifdef __APPLE__ | |
| 43 #define integer_t dmd_integer_t | |
| 44 #endif | |
| 45 | |
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46 #include "rmem.h" |
| 159 | 47 |
| 48 //#include "port.h" | |
| 49 #include "mtype.h" | |
| 50 #include "init.h" | |
| 51 #include "expression.h" | |
| 52 #include "template.h" | |
| 53 #include "utf.h" | |
| 54 #include "enum.h" | |
| 55 #include "scope.h" | |
| 56 #include "statement.h" | |
| 57 #include "declaration.h" | |
| 58 #include "aggregate.h" | |
| 59 #include "import.h" | |
| 60 #include "id.h" | |
| 61 #include "dsymbol.h" | |
| 62 #include "module.h" | |
| 63 #include "attrib.h" | |
| 64 #include "hdrgen.h" | |
| 65 #include "parse.h" | |
| 66 | |
| 67 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
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68 Expression *expandVar(int result, VarDeclaration *v); |
| 159 | 69 |
| 70 #define LOGSEMANTIC 0 | |
| 71 | |
| 72 /********************************** | |
| 73 * Set operator precedence for each operator. | |
| 74 */ | |
| 75 | |
| 76 // Operator precedence - greater values are higher precedence | |
| 77 | |
| 78 enum PREC | |
| 79 { | |
| 80 PREC_zero, | |
| 81 PREC_expr, | |
| 82 PREC_assign, | |
| 83 PREC_cond, | |
| 84 PREC_oror, | |
| 85 PREC_andand, | |
| 86 PREC_or, | |
| 87 PREC_xor, | |
| 88 PREC_and, | |
| 89 PREC_equal, | |
| 90 PREC_rel, | |
| 91 PREC_shift, | |
| 92 PREC_add, | |
| 93 PREC_mul, | |
| 94 PREC_unary, | |
| 95 PREC_primary, | |
| 96 }; | |
| 97 | |
| 98 enum PREC precedence[TOKMAX]; | |
| 99 | |
| 100 void initPrecedence() | |
| 101 { | |
| 102 precedence[TOKdotvar] = PREC_primary; | |
| 103 precedence[TOKimport] = PREC_primary; | |
| 104 precedence[TOKidentifier] = PREC_primary; | |
| 105 precedence[TOKthis] = PREC_primary; | |
| 106 precedence[TOKsuper] = PREC_primary; | |
| 107 precedence[TOKint64] = PREC_primary; | |
| 108 precedence[TOKfloat64] = PREC_primary; | |
| 109 precedence[TOKnull] = PREC_primary; | |
| 110 precedence[TOKstring] = PREC_primary; | |
| 111 precedence[TOKarrayliteral] = PREC_primary; | |
| 112 precedence[TOKtypedot] = PREC_primary; | |
| 113 precedence[TOKtypeid] = PREC_primary; | |
| 114 precedence[TOKis] = PREC_primary; | |
| 115 precedence[TOKassert] = PREC_primary; | |
| 116 precedence[TOKfunction] = PREC_primary; | |
| 117 precedence[TOKvar] = PREC_primary; | |
| 336 | 118 #if DMDV2 |
| 119 precedence[TOKdefault] = PREC_primary; | |
| 120 #endif | |
| 159 | 121 |
| 122 // post | |
| 123 precedence[TOKdotti] = PREC_primary; | |
| 124 precedence[TOKdot] = PREC_primary; | |
| 125 // precedence[TOKarrow] = PREC_primary; | |
| 126 precedence[TOKplusplus] = PREC_primary; | |
| 127 precedence[TOKminusminus] = PREC_primary; | |
| 128 precedence[TOKcall] = PREC_primary; | |
| 129 precedence[TOKslice] = PREC_primary; | |
| 130 precedence[TOKarray] = PREC_primary; | |
| 131 | |
| 132 precedence[TOKaddress] = PREC_unary; | |
| 133 precedence[TOKstar] = PREC_unary; | |
| 134 precedence[TOKneg] = PREC_unary; | |
| 135 precedence[TOKuadd] = PREC_unary; | |
| 136 precedence[TOKnot] = PREC_unary; | |
| 137 precedence[TOKtobool] = PREC_add; | |
| 138 precedence[TOKtilde] = PREC_unary; | |
| 139 precedence[TOKdelete] = PREC_unary; | |
| 140 precedence[TOKnew] = PREC_unary; | |
| 141 precedence[TOKcast] = PREC_unary; | |
| 142 | |
| 143 precedence[TOKmul] = PREC_mul; | |
| 144 precedence[TOKdiv] = PREC_mul; | |
| 145 precedence[TOKmod] = PREC_mul; | |
| 146 | |
| 147 precedence[TOKadd] = PREC_add; | |
| 148 precedence[TOKmin] = PREC_add; | |
| 149 precedence[TOKcat] = PREC_add; | |
| 150 | |
| 151 precedence[TOKshl] = PREC_shift; | |
| 152 precedence[TOKshr] = PREC_shift; | |
| 153 precedence[TOKushr] = PREC_shift; | |
| 154 | |
| 155 precedence[TOKlt] = PREC_rel; | |
| 156 precedence[TOKle] = PREC_rel; | |
| 157 precedence[TOKgt] = PREC_rel; | |
| 158 precedence[TOKge] = PREC_rel; | |
| 159 precedence[TOKunord] = PREC_rel; | |
| 160 precedence[TOKlg] = PREC_rel; | |
| 161 precedence[TOKleg] = PREC_rel; | |
| 162 precedence[TOKule] = PREC_rel; | |
| 163 precedence[TOKul] = PREC_rel; | |
| 164 precedence[TOKuge] = PREC_rel; | |
| 165 precedence[TOKug] = PREC_rel; | |
| 166 precedence[TOKue] = PREC_rel; | |
| 167 precedence[TOKin] = PREC_rel; | |
| 168 | |
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169 #if 0 |
| 159 | 170 precedence[TOKequal] = PREC_equal; |
| 171 precedence[TOKnotequal] = PREC_equal; | |
| 172 precedence[TOKidentity] = PREC_equal; | |
| 173 precedence[TOKnotidentity] = PREC_equal; | |
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174 #else |
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175 /* Note that we changed precedence, so that < and != have the same |
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176 * precedence. This change is in the parser, too. |
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177 */ |
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178 precedence[TOKequal] = PREC_rel; |
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179 precedence[TOKnotequal] = PREC_rel; |
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180 precedence[TOKidentity] = PREC_rel; |
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181 precedence[TOKnotidentity] = PREC_rel; |
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182 #endif |
| 159 | 183 |
| 184 precedence[TOKand] = PREC_and; | |
| 185 | |
| 186 precedence[TOKxor] = PREC_xor; | |
| 187 | |
| 188 precedence[TOKor] = PREC_or; | |
| 189 | |
| 190 precedence[TOKandand] = PREC_andand; | |
| 191 | |
| 192 precedence[TOKoror] = PREC_oror; | |
| 193 | |
| 194 precedence[TOKquestion] = PREC_cond; | |
| 195 | |
| 196 precedence[TOKassign] = PREC_assign; | |
| 197 precedence[TOKconstruct] = PREC_assign; | |
| 198 precedence[TOKblit] = PREC_assign; | |
| 199 precedence[TOKaddass] = PREC_assign; | |
| 200 precedence[TOKminass] = PREC_assign; | |
| 201 precedence[TOKcatass] = PREC_assign; | |
| 202 precedence[TOKmulass] = PREC_assign; | |
| 203 precedence[TOKdivass] = PREC_assign; | |
| 204 precedence[TOKmodass] = PREC_assign; | |
| 205 precedence[TOKshlass] = PREC_assign; | |
| 206 precedence[TOKshrass] = PREC_assign; | |
| 207 precedence[TOKushrass] = PREC_assign; | |
| 208 precedence[TOKandass] = PREC_assign; | |
| 209 precedence[TOKorass] = PREC_assign; | |
| 210 precedence[TOKxorass] = PREC_assign; | |
| 211 | |
| 212 precedence[TOKcomma] = PREC_expr; | |
| 213 } | |
| 214 | |
| 336 | 215 /************************************************************* |
| 216 * Given var, we need to get the | |
| 217 * right 'this' pointer if var is in an outer class, but our | |
| 218 * existing 'this' pointer is in an inner class. | |
| 219 * Input: | |
| 220 * e1 existing 'this' | |
| 221 * ad struct or class we need the correct 'this' for | |
| 222 * var the specific member of ad we're accessing | |
| 223 */ | |
| 224 | |
| 225 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 226 Expression *e1, Declaration *var) | |
| 227 { | |
| 228 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 229 L1: | |
| 230 Type *t = e1->type->toBasetype(); | |
| 231 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 232 | |
| 233 /* If e1 is not the 'this' pointer for ad | |
| 234 */ | |
| 235 if (ad && | |
| 236 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 237 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 238 && | |
| 239 !(t->ty == Tstruct && | |
| 240 ((TypeStruct *)t)->sym == ad) | |
| 241 ) | |
| 242 { | |
| 243 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 244 ClassDeclaration *tcd = t->isClassHandle(); | |
| 245 | |
| 246 /* e1 is the right this if ad is a base class of e1 | |
| 247 */ | |
| 248 if (!cd || !tcd || | |
| 249 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 250 ) | |
| 251 { | |
| 252 /* Only classes can be inner classes with an 'outer' | |
| 253 * member pointing to the enclosing class instance | |
| 254 */ | |
| 255 if (tcd && tcd->isNested()) | |
| 256 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 257 * Rewrite it as the 'this' pointer for the outer class. | |
| 258 */ | |
| 259 | |
| 260 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 261 e1->type = tcd->vthis->type; | |
| 262 // Do not call checkNestedRef() | |
| 263 //e1 = e1->semantic(sc); | |
| 264 | |
| 265 // Skip up over nested functions, and get the enclosing | |
| 266 // class type. | |
| 267 int n = 0; | |
| 268 Dsymbol *s; | |
| 269 for (s = tcd->toParent(); | |
| 270 s && s->isFuncDeclaration(); | |
| 271 s = s->toParent()) | |
| 272 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 273 if (f->vthis) | |
| 274 { | |
| 275 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 276 n++; | |
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277 |
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278 // LDC seems dmd misses it sometimes here :/ |
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279 f->vthis->nestedref = 1; |
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280 |
| 336 | 281 e1 = new VarExp(loc, f->vthis); |
| 282 } | |
| 283 } | |
| 284 if (s && s->isClassDeclaration()) | |
| 285 { e1->type = s->isClassDeclaration()->type; | |
| 286 if (n > 1) | |
| 287 e1 = e1->semantic(sc); | |
| 288 } | |
| 289 else | |
| 290 e1 = e1->semantic(sc); | |
| 291 goto L1; | |
| 292 } | |
| 293 /* Can't find a path from e1 to ad | |
| 294 */ | |
| 295 e1->error("this for %s needs to be type %s not type %s", | |
| 296 var->toChars(), ad->toChars(), t->toChars()); | |
| 297 } | |
| 298 } | |
| 299 return e1; | |
| 300 } | |
| 301 | |
| 159 | 302 /***************************************** |
| 303 * Determine if 'this' is available. | |
| 304 * If it is, return the FuncDeclaration that has it. | |
| 305 */ | |
| 306 | |
| 307 FuncDeclaration *hasThis(Scope *sc) | |
| 308 { FuncDeclaration *fd; | |
| 309 FuncDeclaration *fdthis; | |
| 310 | |
| 311 //printf("hasThis()\n"); | |
| 312 fdthis = sc->parent->isFuncDeclaration(); | |
| 313 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 314 | |
| 315 // Go upwards until we find the enclosing member function | |
| 316 fd = fdthis; | |
| 317 while (1) | |
| 318 { | |
| 319 if (!fd) | |
| 320 { | |
| 321 goto Lno; | |
| 322 } | |
| 323 if (!fd->isNested()) | |
| 324 break; | |
| 325 | |
| 326 Dsymbol *parent = fd->parent; | |
| 327 while (parent) | |
| 328 { | |
| 329 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 330 if (ti) | |
| 331 parent = ti->parent; | |
| 332 else | |
| 333 break; | |
| 334 } | |
| 335 | |
| 336 fd = fd->parent->isFuncDeclaration(); | |
| 337 } | |
| 338 | |
| 339 if (!fd->isThis()) | |
| 340 { //printf("test '%s'\n", fd->toChars()); | |
| 341 goto Lno; | |
| 342 } | |
| 343 | |
| 344 assert(fd->vthis); | |
| 345 return fd; | |
| 346 | |
| 347 Lno: | |
| 348 return NULL; // don't have 'this' available | |
| 349 } | |
| 350 | |
| 351 | |
| 352 /*************************************** | |
| 353 * Pull out any properties. | |
| 354 */ | |
| 355 | |
| 356 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 357 { | |
| 358 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 359 if (e->type) | |
| 360 { | |
| 361 Type *t = e->type->toBasetype(); | |
| 362 | |
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363 if (t->ty == Tfunction /*|| e->op == TOKoverloadset*/) |
| 159 | 364 { |
| 365 e = new CallExp(e->loc, e); | |
| 366 e = e->semantic(sc); | |
| 367 } | |
| 368 | |
| 369 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 370 */ | |
| 371 else if (e->op == TOKvar) | |
| 372 { VarExp *ve = (VarExp *)e; | |
| 373 | |
| 374 if (ve->var->storage_class & STClazy) | |
| 375 { | |
| 376 e = new CallExp(e->loc, e); | |
| 377 e = e->semantic(sc); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 else if (e->op == TOKdotexp) | |
| 382 { | |
| 383 e->error("expression has no value"); | |
| 384 } | |
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385 |
| 159 | 386 } |
| 387 return e; | |
| 388 } | |
| 389 | |
| 390 /****************************** | |
| 391 * Perform semantic() on an array of Expressions. | |
| 392 */ | |
| 393 | |
| 394 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 395 { | |
| 396 if (exps) | |
| 397 { | |
| 398 for (size_t i = 0; i < exps->dim; i++) | |
| 399 { Expression *e = (Expression *)exps->data[i]; | |
| 400 | |
| 401 e = e->semantic(sc); | |
| 402 exps->data[i] = (void *)e; | |
| 403 } | |
| 404 } | |
| 405 } | |
| 406 | |
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407 |
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408 /****************************** |
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409 * Perform canThrow() on an array of Expressions. |
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410 */ |
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411 |
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412 #if DMDV2 |
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413 int arrayExpressionCanThrow(Expressions *exps) |
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414 { |
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415 if (exps) |
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416 { |
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417 for (size_t i = 0; i < exps->dim; i++) |
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418 { Expression *e = (Expression *)exps->data[i]; |
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419 if (e && e->canThrow()) |
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420 return 1; |
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421 } |
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422 } |
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423 return 0; |
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424 } |
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425 #endif |
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|
426 |
| 159 | 427 /**************************************** |
| 428 * Expand tuples. | |
| 429 */ | |
| 430 | |
| 431 void expandTuples(Expressions *exps) | |
| 432 { | |
| 433 //printf("expandTuples()\n"); | |
| 434 if (exps) | |
| 435 { | |
| 436 for (size_t i = 0; i < exps->dim; i++) | |
| 437 { Expression *arg = (Expression *)exps->data[i]; | |
| 438 if (!arg) | |
| 439 continue; | |
| 440 | |
| 441 // Look for tuple with 0 members | |
| 442 if (arg->op == TOKtype) | |
| 443 { TypeExp *e = (TypeExp *)arg; | |
| 444 if (e->type->toBasetype()->ty == Ttuple) | |
| 445 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 446 | |
| 447 if (!tt->arguments || tt->arguments->dim == 0) | |
| 448 { | |
| 449 exps->remove(i); | |
| 450 if (i == exps->dim) | |
| 451 return; | |
| 452 i--; | |
| 453 continue; | |
| 454 } | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 // Inline expand all the tuples | |
| 459 while (arg->op == TOKtuple) | |
| 460 { TupleExp *te = (TupleExp *)arg; | |
| 461 | |
| 462 exps->remove(i); // remove arg | |
| 463 exps->insert(i, te->exps); // replace with tuple contents | |
| 464 if (i == exps->dim) | |
| 465 return; // empty tuple, no more arguments | |
| 466 arg = (Expression *)exps->data[i]; | |
| 467 } | |
| 468 } | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 /**************************************** | |
| 473 * Preprocess arguments to function. | |
| 474 */ | |
| 475 | |
| 476 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 477 { | |
| 478 if (exps) | |
| 479 { | |
| 480 expandTuples(exps); | |
| 481 | |
| 482 for (size_t i = 0; i < exps->dim; i++) | |
| 483 { Expression *arg = (Expression *)exps->data[i]; | |
| 484 | |
| 485 if (!arg->type) | |
| 486 { | |
| 487 #ifdef DEBUG | |
| 488 if (!global.gag) | |
| 489 printf("1: \n"); | |
| 490 #endif | |
| 491 arg->error("%s is not an expression", arg->toChars()); | |
| 492 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 493 } | |
| 494 | |
| 495 arg = resolveProperties(sc, arg); | |
| 496 exps->data[i] = (void *) arg; | |
| 497 | |
| 498 //arg->rvalue(); | |
| 499 #if 0 | |
| 500 if (arg->type->ty == Tfunction) | |
| 501 { | |
| 502 arg = new AddrExp(arg->loc, arg); | |
| 503 arg = arg->semantic(sc); | |
| 504 exps->data[i] = (void *) arg; | |
| 505 } | |
| 506 #endif | |
| 507 } | |
| 508 } | |
| 509 } | |
| 510 | |
| 336 | 511 /********************************************* |
| 512 * Call copy constructor for struct value argument. | |
| 513 */ | |
| 514 #if DMDV2 | |
| 515 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 516 { | |
| 517 Type *tb = e->type->toBasetype(); | |
| 518 assert(tb->ty == Tstruct); | |
| 519 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 520 if (sd->cpctor) | |
| 521 { | |
| 522 /* Create a variable tmp, and replace the argument e with: | |
| 523 * (tmp = e),tmp | |
| 524 * and let AssignExp() handle the construction. | |
| 525 * This is not the most efficent, ideally tmp would be constructed | |
| 526 * directly onto the stack. | |
| 527 */ | |
| 528 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 529 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 530 Expression *ae = new DeclarationExp(loc, tmp); | |
| 531 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 532 e = e->semantic(sc); | |
| 533 } | |
| 534 return e; | |
| 535 } | |
| 536 #endif | |
| 159 | 537 |
| 538 /**************************************** | |
| 539 * Now that we know the exact type of the function we're calling, | |
| 540 * the arguments[] need to be adjusted: | |
|
510
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541 * 1. implicitly convert argument to the corresponding parameter type |
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542 * 2. add default arguments for any missing arguments |
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543 * 3. do default promotions on arguments corresponding to ... |
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544 * 4. add hidden _arguments[] argument |
| 159 | 545 */ |
| 546 | |
| 547 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 548 { | |
| 549 unsigned n; | |
| 550 | |
| 551 //printf("functionArguments()\n"); | |
| 552 assert(arguments); | |
| 553 size_t nargs = arguments ? arguments->dim : 0; | |
| 554 size_t nparams = Argument::dim(tf->parameters); | |
| 555 | |
| 556 if (nargs > nparams && tf->varargs == 0) | |
|
1103
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- Updated to DMD frontend 1.041.
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557 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 558 |
| 559 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 560 | |
|
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561 int done = 0; |
| 159 | 562 for (size_t i = 0; i < n; i++) |
| 563 { | |
| 564 Expression *arg; | |
| 565 | |
| 566 if (i < nargs) | |
| 567 arg = (Expression *)arguments->data[i]; | |
| 568 else | |
| 569 arg = NULL; | |
|
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570 Type *tb; |
| 159 | 571 |
| 572 if (i < nparams) | |
| 573 { | |
| 574 Argument *p = Argument::getNth(tf->parameters, i); | |
| 575 | |
| 576 if (!arg) | |
| 577 { | |
| 578 if (!p->defaultArg) | |
| 579 { | |
| 580 if (tf->varargs == 2 && i + 1 == nparams) | |
| 581 goto L2; | |
|
1103
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- Updated to DMD frontend 1.041.
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582 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 583 break; |
| 584 } | |
| 336 | 585 arg = p->defaultArg; |
| 586 #if DMDV2 | |
| 587 if (arg->op == TOKdefault) | |
| 588 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 589 arg = de->resolve(loc, sc); | |
| 590 } | |
| 591 else | |
| 592 #endif | |
| 593 arg = arg->copy(); | |
| 159 | 594 arguments->push(arg); |
| 595 nargs++; | |
| 596 } | |
| 597 | |
| 598 if (tf->varargs == 2 && i + 1 == nparams) | |
| 599 { | |
| 600 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 601 if (arg->implicitConvTo(p->type)) | |
| 602 { | |
| 603 if (nargs != nparams) | |
|
1103
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- Updated to DMD frontend 1.041.
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|
604 error(loc, "expected %zu arguments, not %zu", nparams, nargs); |
| 159 | 605 goto L1; |
| 606 } | |
| 607 L2: | |
| 608 Type *tb = p->type->toBasetype(); | |
| 609 Type *tret = p->isLazyArray(); | |
| 610 switch (tb->ty) | |
| 611 { | |
| 612 case Tsarray: | |
| 613 case Tarray: | |
| 614 { // Create a static array variable v of type arg->type | |
| 615 #ifdef IN_GCC | |
| 616 /* GCC 4.0 does not like zero length arrays used like | |
| 617 this; pass a null array value instead. Could also | |
| 618 just make a one-element array. */ | |
| 619 if (nargs - i == 0) | |
| 620 { | |
| 621 arg = new NullExp(loc); | |
| 622 break; | |
| 623 } | |
| 624 #endif | |
|
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625 Identifier *id = Lexer::uniqueId("__arrayArg"); |
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|
626 Type *t = new TypeSArray(((TypeArray *)tb)->next, new IntegerExp(nargs - i)); |
| 159 | 627 t = t->semantic(loc, sc); |
| 628 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 629 v->semantic(sc); | |
| 630 v->parent = sc->parent; | |
| 631 //sc->insert(v); | |
| 632 | |
| 633 Expression *c = new DeclarationExp(0, v); | |
| 634 c->type = v->type; | |
| 635 | |
| 636 for (size_t u = i; u < nargs; u++) | |
| 637 { Expression *a = (Expression *)arguments->data[u]; | |
|
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|
638 if (tret && !((TypeArray *)tb)->next->equals(a->type)) |
| 159 | 639 a = a->toDelegate(sc, tret); |
| 640 | |
| 641 Expression *e = new VarExp(loc, v); | |
| 642 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
|
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diff
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|
643 AssignExp *ae = new AssignExp(loc, e, a); |
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644 #if DMDV2 |
|
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|
645 ae->op = TOKconstruct; |
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646 #endif |
| 159 | 647 if (c) |
|
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diff
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|
648 c = new CommaExp(loc, c, ae); |
| 159 | 649 else |
|
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Merged DMD 1.038
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|
650 c = ae; |
| 159 | 651 } |
| 652 arg = new VarExp(loc, v); | |
| 653 if (c) | |
| 654 arg = new CommaExp(loc, c, arg); | |
| 655 break; | |
| 656 } | |
| 657 case Tclass: | |
| 658 { /* Set arg to be: | |
| 659 * new Tclass(arg0, arg1, ..., argn) | |
| 660 */ | |
| 661 Expressions *args = new Expressions(); | |
| 662 args->setDim(nargs - i); | |
| 663 for (size_t u = i; u < nargs; u++) | |
| 664 args->data[u - i] = arguments->data[u]; | |
| 665 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 666 break; | |
| 667 } | |
| 668 default: | |
| 669 if (!arg) | |
| 670 { error(loc, "not enough arguments"); | |
| 671 return; | |
| 672 } | |
| 673 break; | |
| 674 } | |
| 675 arg = arg->semantic(sc); | |
| 676 //printf("\targ = '%s'\n", arg->toChars()); | |
| 677 arguments->setDim(i + 1); | |
| 678 done = 1; | |
| 679 } | |
| 680 | |
| 681 L1: | |
| 682 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 683 arg = arg->implicitCastTo(sc, p->type); | |
| 684 if (p->storageClass & (STCout | STCref)) | |
| 685 { | |
| 686 // BUG: should check that argument to ref is type 'invariant' | |
| 687 // BUG: assignments to ref should also be type 'invariant' | |
| 688 arg = arg->modifiableLvalue(sc, arg); | |
| 689 | |
| 690 //if (arg->op == TOKslice) | |
| 691 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 692 } | |
| 693 | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
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diff
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|
694 // LDC we don't want this! |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
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diff
changeset
|
695 #if !IN_LLVM |
| 159 | 696 // Convert static arrays to pointers |
| 697 tb = arg->type->toBasetype(); | |
| 698 if (tb->ty == Tsarray) | |
| 699 { | |
| 700 arg = arg->checkToPointer(); | |
| 701 } | |
|
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
717
diff
changeset
|
702 #endif |
|
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
703 |
|
875
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
704 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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diff
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|
705 if (tb->ty == Tstruct && !(p->storageClass & (STCref | STCout))) |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
706 { |
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diff
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|
707 arg = callCpCtor(loc, sc, arg); |
|
330f999ade44
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|
708 } |
|
330f999ade44
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|
709 #endif |
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|
710 |
| 159 | 711 |
| 712 // Convert lazy argument to a delegate | |
| 713 if (p->storageClass & STClazy) | |
| 714 { | |
| 715 arg = arg->toDelegate(sc, p->type); | |
| 716 } | |
|
875
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Merged DMD 1.038
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parents:
846
diff
changeset
|
717 #if DMDV2 |
|
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Merged DMD 1.038
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diff
changeset
|
718 /* Look for arguments that cannot 'escape' from the called |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
719 * function. |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
720 */ |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
721 if (!tf->parameterEscapes(p)) |
|
330f999ade44
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parents:
846
diff
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|
722 { |
|
330f999ade44
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parents:
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diff
changeset
|
723 /* Function literals can only appear once, so if this |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
724 * appearance was scoped, there cannot be any others. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
725 */ |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
726 if (arg->op == TOKfunction) |
|
330f999ade44
Merged DMD 1.038
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846
diff
changeset
|
727 { FuncExp *fe = (FuncExp *)arg; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
728 fe->fd->tookAddressOf = 0; |
|
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
729 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
730 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
731 /* For passing a delegate to a scoped parameter, |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
732 * this doesn't count as taking the address of it. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
733 * We only worry about 'escaping' references to the function. |
|
330f999ade44
Merged DMD 1.038
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734 */ |
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735 else if (arg->op == TOKdelegate) |
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736 { DelegateExp *de = (DelegateExp *)arg; |
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737 if (de->e1->op == TOKvar) |
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738 { VarExp *ve = (VarExp *)de->e1; |
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739 FuncDeclaration *f = ve->var->isFuncDeclaration(); |
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740 if (f) |
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741 { f->tookAddressOf--; |
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742 //printf("tookAddressOf = %d\n", f->tookAddressOf); |
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743 } |
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744 } |
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745 } |
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746 } |
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747 #endif |
| 159 | 748 } |
| 749 else | |
| 750 { | |
| 751 | |
| 752 // If not D linkage, do promotions | |
|
723
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753 // LDC: don't do promotions on intrinsics |
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754 if (tf->linkage != LINKd && tf->linkage != LINKintrinsic) |
| 159 | 755 { |
| 756 // Promote bytes, words, etc., to ints | |
| 757 arg = arg->integralPromotions(sc); | |
| 758 | |
| 759 // Promote floats to doubles | |
| 760 switch (arg->type->ty) | |
| 761 { | |
| 762 case Tfloat32: | |
| 763 arg = arg->castTo(sc, Type::tfloat64); | |
| 764 break; | |
| 765 | |
| 766 case Timaginary32: | |
| 767 arg = arg->castTo(sc, Type::timaginary64); | |
| 768 break; | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 // Convert static arrays to dynamic arrays | |
| 773 tb = arg->type->toBasetype(); | |
| 774 if (tb->ty == Tsarray) | |
| 775 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 776 Type *ta = ts->next->arrayOf(); |
| 159 | 777 if (ts->size(arg->loc) == 0) |
| 778 { arg = new NullExp(arg->loc); | |
| 779 arg->type = ta; | |
| 780 } | |
| 781 else | |
| 782 arg = arg->castTo(sc, ta); | |
| 783 } | |
| 336 | 784 #if DMDV2 |
| 785 if (tb->ty == Tstruct) | |
| 786 { | |
| 787 arg = callCpCtor(loc, sc, arg); | |
| 788 } | |
| 789 | |
| 790 // Give error for overloaded function addresses | |
| 791 if (arg->op == TOKsymoff) | |
| 792 { SymOffExp *se = (SymOffExp *)arg; | |
| 793 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 794 arg->error("function %s is overloaded", arg->toChars()); | |
| 795 } | |
| 796 #endif | |
| 159 | 797 arg->rvalue(); |
| 798 } | |
| 799 arg = arg->optimize(WANTvalue); | |
| 800 arguments->data[i] = (void *) arg; | |
| 801 if (done) | |
| 802 break; | |
| 803 } | |
| 804 | |
| 805 #if !IN_LLVM | |
| 806 // If D linkage and variadic, add _arguments[] as first argument | |
| 807 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 808 { | |
| 809 Expression *e; | |
| 810 | |
| 811 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 812 arguments->dim - nparams); | |
| 813 arguments->insert(0, e); | |
| 814 } | |
| 815 #endif | |
| 816 } | |
| 817 | |
| 818 /************************************************** | |
| 819 * Write expression out to buf, but wrap it | |
| 820 * in ( ) if its precedence is less than pr. | |
| 821 */ | |
| 822 | |
| 823 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 824 { | |
| 336 | 825 //if (precedence[e->op] == 0) e->dump(0); |
|
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826 if (precedence[e->op] < pr || |
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827 /* Despite precedence, we don't allow a<b<c expressions. |
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828 * They must be parenthesized. |
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829 */ |
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|
830 (pr == PREC_rel && precedence[e->op] == pr)) |
| 159 | 831 { |
| 832 buf->writeByte('('); | |
| 833 e->toCBuffer(buf, hgs); | |
| 834 buf->writeByte(')'); | |
| 835 } | |
| 836 else | |
| 837 e->toCBuffer(buf, hgs); | |
| 838 } | |
| 839 | |
| 840 /************************************************** | |
| 841 * Write out argument list to buf. | |
| 842 */ | |
| 843 | |
| 844 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 845 { | |
| 846 if (arguments) | |
| 847 { | |
| 848 for (size_t i = 0; i < arguments->dim; i++) | |
| 849 { Expression *arg = (Expression *)arguments->data[i]; | |
| 850 | |
| 851 if (arg) | |
| 852 { if (i) | |
| 853 buf->writeByte(','); | |
| 854 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 855 } | |
| 856 } | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 /************************************************** | |
| 861 * Write out argument types to buf. | |
| 862 */ | |
| 863 | |
| 864 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 865 { | |
| 866 if (arguments) | |
| 867 { OutBuffer argbuf; | |
| 868 | |
| 869 for (size_t i = 0; i < arguments->dim; i++) | |
| 870 { Expression *arg = (Expression *)arguments->data[i]; | |
| 871 | |
| 872 if (i) | |
| 873 buf->writeByte(','); | |
| 874 argbuf.reset(); | |
| 875 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 876 buf->write(&argbuf); | |
| 877 } | |
| 878 } | |
| 879 } | |
| 880 | |
| 881 /******************************** Expression **************************/ | |
| 882 | |
| 883 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 884 : loc(loc) | |
| 885 { | |
|
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886 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 887 this->loc = loc; |
| 888 this->op = op; | |
| 889 this->size = size; | |
| 890 type = NULL; | |
| 891 } | |
| 892 | |
| 893 Expression *Expression::syntaxCopy() | |
| 894 { | |
| 895 //printf("Expression::syntaxCopy()\n"); | |
| 896 //dump(0); | |
| 897 return copy(); | |
| 898 } | |
| 899 | |
| 900 /********************************* | |
| 901 * Does *not* do a deep copy. | |
| 902 */ | |
| 903 | |
| 904 Expression *Expression::copy() | |
| 905 { | |
| 906 Expression *e; | |
| 907 if (!size) | |
| 908 { | |
| 909 #ifdef DEBUG | |
| 910 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 911 printf("op = %d\n", op); | |
| 912 dump(0); | |
| 913 #endif | |
| 914 assert(0); | |
| 915 } | |
| 916 e = (Expression *)mem.malloc(size); | |
|
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917 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 918 return (Expression *)memcpy(e, this, size); |
| 919 } | |
| 920 | |
| 921 /************************** | |
| 922 * Semantically analyze Expression. | |
| 923 * Determine types, fold constants, etc. | |
| 924 */ | |
| 925 | |
| 926 Expression *Expression::semantic(Scope *sc) | |
| 927 { | |
| 928 #if LOGSEMANTIC | |
| 336 | 929 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 930 #endif |
| 931 if (type) | |
| 932 type = type->semantic(loc, sc); | |
| 933 else | |
| 934 type = Type::tvoid; | |
| 935 return this; | |
| 936 } | |
| 937 | |
| 938 void Expression::print() | |
| 939 { | |
| 940 fprintf(stdmsg, "%s\n", toChars()); | |
| 941 fflush(stdmsg); | |
| 942 } | |
| 943 | |
| 944 char *Expression::toChars() | |
| 945 { OutBuffer *buf; | |
| 946 HdrGenState hgs; | |
| 947 | |
| 948 memset(&hgs, 0, sizeof(hgs)); | |
| 949 buf = new OutBuffer(); | |
| 950 toCBuffer(buf, &hgs); | |
| 951 return buf->toChars(); | |
| 952 } | |
| 953 | |
| 954 void Expression::error(const char *format, ...) | |
| 955 { | |
| 956 va_list ap; | |
| 957 va_start(ap, format); | |
| 958 ::verror(loc, format, ap); | |
| 959 va_end( ap ); | |
| 960 } | |
| 961 | |
|
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962 void Expression::warning(const char *format, ...) |
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963 { |
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964 if (global.params.warnings && !global.gag) |
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965 { |
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966 fprintf(stdmsg, "warning - "); |
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967 va_list ap; |
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968 va_start(ap, format); |
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969 ::warning(loc, format, ap); |
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970 va_end( ap ); |
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971 } |
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972 } |
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973 |
| 159 | 974 void Expression::rvalue() |
| 975 { | |
| 976 if (type && type->toBasetype()->ty == Tvoid) | |
| 977 { error("expression %s is void and has no value", toChars()); | |
| 978 #if 0 | |
| 979 dump(0); | |
| 980 halt(); | |
| 981 #endif | |
| 336 | 982 type = Type::tint32; |
| 159 | 983 } |
| 984 } | |
| 985 | |
| 986 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 987 { | |
| 988 if (e1) | |
| 989 { | |
| 990 if (e2) | |
| 991 { | |
| 992 e1 = new CommaExp(e1->loc, e1, e2); | |
| 993 e1->type = e2->type; | |
| 994 } | |
| 995 } | |
| 996 else | |
| 997 e1 = e2; | |
| 998 return e1; | |
| 999 } | |
| 1000 | |
| 1001 integer_t Expression::toInteger() | |
| 1002 { | |
| 1003 //printf("Expression %s\n", Token::toChars(op)); | |
| 1004 error("Integer constant expression expected instead of %s", toChars()); | |
| 1005 return 0; | |
| 1006 } | |
| 1007 | |
| 1008 uinteger_t Expression::toUInteger() | |
| 1009 { | |
| 1010 //printf("Expression %s\n", Token::toChars(op)); | |
| 1011 return (uinteger_t)toInteger(); | |
| 1012 } | |
| 1013 | |
| 1014 real_t Expression::toReal() | |
| 1015 { | |
| 1016 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1017 return 0; | |
| 1018 } | |
| 1019 | |
| 1020 real_t Expression::toImaginary() | |
| 1021 { | |
| 1022 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1023 return 0; | |
| 1024 } | |
| 1025 | |
| 1026 complex_t Expression::toComplex() | |
| 1027 { | |
| 1028 error("Floating point constant expression expected instead of %s", toChars()); | |
| 1029 #ifdef IN_GCC | |
| 1030 return complex_t(real_t(0)); // %% nicer | |
| 1031 #else | |
| 1032 return 0; | |
| 1033 #endif | |
| 1034 } | |
| 1035 | |
| 1036 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1037 { | |
| 1038 buf->writestring(Token::toChars(op)); | |
| 1039 } | |
| 1040 | |
| 1041 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 1042 { | |
| 1043 error("expression %s is not a valid template value argument", toChars()); | |
| 1044 } | |
| 1045 | |
|
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1046 /*************************************** |
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1047 * Return !=0 if expression is an lvalue. |
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1048 */ |
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1049 #if DMDV2 |
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1050 int Expression::isLvalue() |
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1051 { |
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1052 return 0; |
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1053 } |
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1054 #endif |
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1055 |
| 159 | 1056 /******************************* |
| 1057 * Give error if we're not an lvalue. | |
| 1058 * If we can, convert expression to be an lvalue. | |
| 1059 */ | |
| 1060 | |
| 1061 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 1062 { | |
| 1063 if (!e) | |
| 1064 e = this; | |
| 1065 else if (!loc.filename) | |
| 1066 loc = e->loc; | |
| 1067 error("%s is not an lvalue", e->toChars()); | |
| 1068 return this; | |
| 1069 } | |
| 1070 | |
| 1071 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 1072 { | |
|
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1073 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), type->toChars()); |
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1074 |
| 159 | 1075 // See if this expression is a modifiable lvalue (i.e. not const) |
|
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1076 #if DMDV2 |
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1077 if (type && (!type->isMutable() || !type->isAssignable())) |
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1078 error("%s is not mutable", e->toChars()); |
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1079 #endif |
| 159 | 1080 return toLvalue(sc, e); |
| 1081 } | |
| 1082 | |
| 1083 /************************************ | |
| 1084 * Detect cases where pointers to the stack can 'escape' the | |
| 1085 * lifetime of the stack frame. | |
| 1086 */ | |
| 1087 | |
| 1088 void Expression::checkEscape() | |
| 1089 { | |
| 1090 } | |
| 1091 | |
| 1092 void Expression::checkScalar() | |
| 1093 { | |
| 1094 if (!type->isscalar()) | |
| 1095 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1096 } | |
| 1097 | |
| 1098 void Expression::checkNoBool() | |
| 1099 { | |
| 1100 if (type->toBasetype()->ty == Tbool) | |
| 1101 error("operation not allowed on bool '%s'", toChars()); | |
| 1102 } | |
| 1103 | |
| 1104 Expression *Expression::checkIntegral() | |
| 1105 { | |
| 1106 if (!type->isintegral()) | |
| 1107 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1108 return new IntegerExp(0); | |
| 1109 } | |
| 1110 return this; | |
| 1111 } | |
| 1112 | |
| 1113 Expression *Expression::checkArithmetic() | |
| 1114 { | |
| 1115 if (!type->isintegral() && !type->isfloating()) | |
| 1116 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1117 return new IntegerExp(0); | |
| 1118 } | |
| 1119 return this; | |
| 1120 } | |
| 1121 | |
| 1122 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1123 { | |
| 1124 s->checkDeprecated(loc, sc); | |
| 1125 } | |
| 1126 | |
|
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1127 #if DMDV2 |
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|
1128 void Expression::checkPurity(Scope *sc, FuncDeclaration *f) |
|
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1129 { |
|
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|
1130 if (sc->func && sc->func->isPure() && !sc->intypeof && !f->isPure()) |
|
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1131 error("pure function '%s' cannot call impure function '%s'\n", |
|
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1132 sc->func->toChars(), f->toChars()); |
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|
1133 } |
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|
1134 #endif |
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|
1135 |
| 159 | 1136 /******************************** |
| 1137 * Check for expressions that have no use. | |
| 1138 * Input: | |
| 1139 * flag 0 not going to use the result, so issue error message if no | |
| 1140 * side effects | |
| 1141 * 1 the result of the expression is used, but still check | |
| 1142 * for useless subexpressions | |
| 1143 * 2 do not issue error messages, just return !=0 if expression | |
| 1144 * has side effects | |
| 1145 */ | |
| 1146 | |
| 1147 int Expression::checkSideEffect(int flag) | |
| 1148 { | |
| 1149 if (flag == 0) | |
| 1150 { if (op == TOKimport) | |
| 1151 { | |
| 1152 error("%s has no effect", toChars()); | |
| 1153 } | |
| 1154 else | |
| 1155 error("%s has no effect in expression (%s)", | |
| 1156 Token::toChars(op), toChars()); | |
| 1157 } | |
| 1158 return 0; | |
| 1159 } | |
| 1160 | |
| 1161 /***************************** | |
| 1162 * Check that expression can be tested for true or false. | |
| 1163 */ | |
| 1164 | |
| 1165 Expression *Expression::checkToBoolean() | |
| 1166 { | |
| 1167 // Default is 'yes' - do nothing | |
| 1168 | |
| 1169 #ifdef DEBUG | |
| 1170 if (!type) | |
| 1171 dump(0); | |
| 1172 #endif | |
| 1173 | |
| 1174 if (!type->checkBoolean()) | |
| 1175 { | |
| 1176 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1177 } | |
| 1178 return this; | |
| 1179 } | |
| 1180 | |
| 1181 /**************************** | |
| 1182 */ | |
| 1183 | |
| 1184 Expression *Expression::checkToPointer() | |
| 1185 { | |
| 1186 Expression *e; | |
| 1187 Type *tb; | |
| 1188 | |
| 1189 //printf("Expression::checkToPointer()\n"); | |
| 1190 e = this; | |
| 1191 | |
| 1192 // If C static array, convert to pointer | |
| 1193 tb = type->toBasetype(); | |
| 1194 if (tb->ty == Tsarray) | |
| 1195 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1196 if (ts->size(loc) == 0) | |
| 1197 e = new NullExp(loc); | |
| 1198 else | |
| 1199 e = new AddrExp(loc, this); | |
| 336 | 1200 e->type = ts->next->pointerTo(); |
| 159 | 1201 } |
| 1202 return e; | |
| 1203 } | |
| 1204 | |
| 1205 /****************************** | |
| 1206 * Take address of expression. | |
| 1207 */ | |
| 1208 | |
| 1209 Expression *Expression::addressOf(Scope *sc) | |
| 1210 { | |
| 1211 Expression *e; | |
| 1212 | |
| 1213 //printf("Expression::addressOf()\n"); | |
| 1214 e = toLvalue(sc, NULL); | |
| 1215 e = new AddrExp(loc, e); | |
| 1216 e->type = type->pointerTo(); | |
| 1217 return e; | |
| 1218 } | |
| 1219 | |
| 1220 /****************************** | |
| 1221 * If this is a reference, dereference it. | |
| 1222 */ | |
| 1223 | |
| 1224 Expression *Expression::deref() | |
| 1225 { | |
| 1226 //printf("Expression::deref()\n"); | |
| 1227 if (type->ty == Treference) | |
| 1228 { Expression *e; | |
| 1229 | |
| 1230 e = new PtrExp(loc, this); | |
| 336 | 1231 e->type = ((TypeReference *)type)->next; |
| 159 | 1232 return e; |
| 1233 } | |
| 1234 return this; | |
| 1235 } | |
| 1236 | |
| 1237 /******************************** | |
| 1238 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1239 */ | |
| 1240 | |
| 1241 int Expression::isBool(int result) | |
| 1242 { | |
| 1243 return FALSE; | |
| 1244 } | |
| 1245 | |
| 1246 /******************************** | |
| 1247 * Does this expression result in either a 1 or a 0? | |
| 1248 */ | |
| 1249 | |
| 1250 int Expression::isBit() | |
| 1251 { | |
| 1252 return FALSE; | |
| 1253 } | |
| 1254 | |
| 336 | 1255 /******************************** |
| 1256 * Can this expression throw an exception? | |
| 1257 * Valid only after semantic() pass. | |
| 1258 */ | |
| 1259 | |
| 1260 int Expression::canThrow() | |
| 1261 { | |
|
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1262 #if DMDV2 |
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1263 return FALSE; |
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1264 #else |
| 336 | 1265 return TRUE; |
|
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|
1266 #endif |
| 336 | 1267 } |
| 1268 | |
| 1269 | |
| 1270 | |
| 159 | 1271 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1272 { Expressions *a = NULL; | |
| 1273 | |
| 1274 if (exps) | |
| 1275 { | |
| 1276 a = new Expressions(); | |
| 1277 a->setDim(exps->dim); | |
| 1278 for (int i = 0; i < a->dim; i++) | |
| 1279 { Expression *e = (Expression *)exps->data[i]; | |
| 1280 | |
| 1281 e = e->syntaxCopy(); | |
| 1282 a->data[i] = e; | |
| 1283 } | |
| 1284 } | |
| 1285 return a; | |
| 1286 } | |
| 1287 | |
| 1288 /******************************** IntegerExp **************************/ | |
| 1289 | |
| 1290 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1291 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1292 { | |
| 1293 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1294 if (type && !type->isscalar()) | |
| 1295 { | |
| 336 | 1296 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1297 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1298 type = Type::terror; | |
| 1299 } | |
| 1300 this->type = type; | |
| 1301 this->value = value; | |
| 1302 } | |
| 1303 | |
| 1304 IntegerExp::IntegerExp(integer_t value) | |
| 1305 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1306 { | |
| 1307 this->type = Type::tint32; | |
| 1308 this->value = value; | |
| 1309 } | |
| 1310 | |
| 1311 int IntegerExp::equals(Object *o) | |
| 1312 { IntegerExp *ne; | |
| 1313 | |
| 1314 if (this == o || | |
| 1315 (((Expression *)o)->op == TOKint64 && | |
| 1316 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1317 value == ne->value)) | |
| 1318 return 1; | |
| 1319 return 0; | |
| 1320 } | |
| 1321 | |
| 1322 char *IntegerExp::toChars() | |
| 1323 { | |
| 1324 #if 1 | |
| 1325 return Expression::toChars(); | |
| 1326 #else | |
| 1327 static char buffer[sizeof(value) * 3 + 1]; | |
|
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1328 |
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|
1329 sprintf(buffer, "%jd", value); |
| 159 | 1330 return buffer; |
| 1331 #endif | |
| 1332 } | |
| 1333 | |
| 1334 integer_t IntegerExp::toInteger() | |
| 1335 { Type *t; | |
| 1336 | |
| 1337 t = type; | |
| 1338 while (t) | |
| 1339 { | |
| 1340 switch (t->ty) | |
| 1341 { | |
| 1342 case Tbit: | |
| 1343 case Tbool: value = (value != 0); break; | |
| 1344 case Tint8: value = (d_int8) value; break; | |
| 1345 case Tchar: | |
| 1346 case Tuns8: value = (d_uns8) value; break; | |
| 1347 case Tint16: value = (d_int16) value; break; | |
| 1348 case Twchar: | |
| 1349 case Tuns16: value = (d_uns16) value; break; | |
| 1350 case Tint32: value = (d_int32) value; break; | |
| 1351 case Tdchar: | |
| 1352 case Tuns32: value = (d_uns32) value; break; | |
| 1353 case Tint64: value = (d_int64) value; break; | |
| 1354 case Tuns64: value = (d_uns64) value; break; | |
|
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changeset
|
1355 case Tpointer: |
|
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parents:
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diff
changeset
|
1356 // FIXME: Other pointer widths than 32 and 64? |
|
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parents:
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diff
changeset
|
1357 if (PTRSIZE == 4) |
|
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diff
changeset
|
1358 value = (d_uns32) value; |
|
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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parents:
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diff
changeset
|
1359 else |
|
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parents:
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diff
changeset
|
1360 value = (d_uns64) value; |
|
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diff
changeset
|
1361 break; |
| 159 | 1362 |
| 1363 case Tenum: | |
| 1364 { | |
| 1365 TypeEnum *te = (TypeEnum *)t; | |
| 1366 t = te->sym->memtype; | |
| 1367 continue; | |
| 1368 } | |
| 1369 | |
| 1370 case Ttypedef: | |
| 1371 { | |
| 1372 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1373 t = tt->sym->basetype; | |
| 1374 continue; | |
| 1375 } | |
| 1376 | |
| 1377 default: | |
| 336 | 1378 /* This can happen if errors, such as |
| 1379 * the type is painted on like in fromConstInitializer(). | |
| 1380 */ | |
| 1381 if (!global.errors) | |
| 1382 { type->print(); | |
| 1383 assert(0); | |
| 1384 } | |
| 159 | 1385 break; |
| 1386 } | |
| 1387 break; | |
| 1388 } | |
| 1389 return value; | |
| 1390 } | |
| 1391 | |
| 1392 real_t IntegerExp::toReal() | |
| 1393 { | |
| 1394 Type *t; | |
| 1395 | |
| 1396 toInteger(); | |
| 1397 t = type->toBasetype(); | |
| 1398 if (t->ty == Tuns64) | |
| 1399 return (real_t)(d_uns64)value; | |
| 1400 else | |
| 1401 return (real_t)(d_int64)value; | |
| 1402 } | |
| 1403 | |
| 1404 real_t IntegerExp::toImaginary() | |
| 1405 { | |
| 1406 return (real_t) 0; | |
| 1407 } | |
| 1408 | |
| 1409 complex_t IntegerExp::toComplex() | |
| 1410 { | |
| 1411 return toReal(); | |
| 1412 } | |
| 1413 | |
| 1414 int IntegerExp::isBool(int result) | |
| 1415 { | |
| 1416 return result ? value != 0 : value == 0; | |
| 1417 } | |
| 1418 | |
| 1419 Expression *IntegerExp::semantic(Scope *sc) | |
| 1420 { | |
| 1421 if (!type) | |
| 1422 { | |
| 1423 // Determine what the type of this number is | |
| 1424 integer_t number = value; | |
| 1425 | |
| 1426 if (number & 0x8000000000000000LL) | |
| 1427 type = Type::tuns64; | |
| 1428 else if (number & 0xFFFFFFFF80000000LL) | |
| 1429 type = Type::tint64; | |
| 1430 else | |
| 1431 type = Type::tint32; | |
| 1432 } | |
| 1433 else | |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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changeset
|
1434 { if (!type->deco) |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
1435 type = type->semantic(loc, sc); |
| 159 | 1436 } |
| 1437 return this; | |
| 1438 } | |
| 1439 | |
| 1440 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1441 { | |
| 1442 if (!e) | |
| 1443 e = this; | |
| 1444 else if (!loc.filename) | |
| 1445 loc = e->loc; | |
| 1446 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1447 return this; | |
| 1448 } | |
| 1449 | |
| 1450 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1451 { | |
| 1452 integer_t v = toInteger(); | |
| 1453 | |
| 1454 if (type) | |
| 1455 { Type *t = type; | |
| 1456 | |
| 1457 L1: | |
| 1458 switch (t->ty) | |
| 1459 { | |
| 1460 case Tenum: | |
| 1461 { TypeEnum *te = (TypeEnum *)t; | |
| 1462 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1463 t = te->sym->memtype; | |
| 1464 goto L1; | |
| 1465 } | |
| 1466 | |
| 1467 case Ttypedef: | |
| 1468 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1469 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1470 t = tt->sym->basetype; | |
| 1471 goto L1; | |
| 1472 } | |
| 1473 | |
| 1474 case Twchar: // BUG: need to cast(wchar) | |
| 1475 case Tdchar: // BUG: need to cast(dchar) | |
| 1476 if ((uinteger_t)v > 0xFF) | |
| 1477 { | |
| 1478 buf->printf("'\\U%08x'", v); | |
| 1479 break; | |
| 1480 } | |
| 1481 case Tchar: | |
| 1482 if (v == '\'') | |
| 1483 buf->writestring("'\\''"); | |
| 1484 else if (isprint(v) && v != '\\') | |
| 1485 buf->printf("'%c'", (int)v); | |
| 1486 else | |
| 1487 buf->printf("'\\x%02x'", (int)v); | |
| 1488 break; | |
| 1489 | |
| 1490 case Tint8: | |
| 1491 buf->writestring("cast(byte)"); | |
| 1492 goto L2; | |
| 1493 | |
| 1494 case Tint16: | |
| 1495 buf->writestring("cast(short)"); | |
| 1496 goto L2; | |
| 1497 | |
| 1498 case Tint32: | |
| 1499 L2: | |
| 1500 buf->printf("%d", (int)v); | |
| 1501 break; | |
| 1502 | |
| 1503 case Tuns8: | |
| 1504 buf->writestring("cast(ubyte)"); | |
| 1505 goto L3; | |
| 1506 | |
| 1507 case Tuns16: | |
| 1508 buf->writestring("cast(ushort)"); | |
| 1509 goto L3; | |
| 1510 | |
| 1511 case Tuns32: | |
| 1512 L3: | |
| 1513 buf->printf("%du", (unsigned)v); | |
| 1514 break; | |
| 1515 | |
| 1516 case Tint64: | |
|
1103
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- Updated to DMD frontend 1.041.
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parents:
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diff
changeset
|
1517 buf->printf("%jdL", v); |
| 159 | 1518 break; |
| 1519 | |
| 1520 case Tuns64: | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
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diff
changeset
|
1521 L4: |
|
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- Updated to DMD frontend 1.041.
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parents:
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|
1522 buf->printf("%juLU", v); |
| 159 | 1523 break; |
| 1524 | |
| 1525 case Tbit: | |
| 1526 case Tbool: | |
| 1527 buf->writestring((char *)(v ? "true" : "false")); | |
| 1528 break; | |
| 1529 | |
| 1530 case Tpointer: | |
| 1531 buf->writestring("cast("); | |
| 1532 buf->writestring(t->toChars()); | |
| 1533 buf->writeByte(')'); | |
|
1120
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Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1534 // FIXME: Other pointer widths than 32 and 64? |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1535 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
|
1536 goto L3; |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1537 else |
|
0d38fa5a0b46
Another "pointers are 32 bits" issue in the frontend. long/ulong constants cast
Frits van Bommel <fvbommel wxs.nl>
parents:
1103
diff
changeset
|
1538 goto L4; |
| 159 | 1539 |
| 1540 default: | |
| 336 | 1541 /* This can happen if errors, such as |
| 1542 * the type is painted on like in fromConstInitializer(). | |
| 1543 */ | |
| 1544 if (!global.errors) | |
| 1545 { | |
| 159 | 1546 #ifdef DEBUG |
| 336 | 1547 t->print(); |
| 159 | 1548 #endif |
| 336 | 1549 assert(0); |
| 1550 } | |
| 1551 break; | |
| 159 | 1552 } |
| 1553 } | |
| 1554 else if (v & 0x8000000000000000LL) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1555 buf->printf("0x%jx", v); |
| 159 | 1556 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
1557 buf->printf("%jd", v); |
| 159 | 1558 } |
| 1559 | |
| 1560 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1561 { | |
| 1562 if ((sinteger_t)value < 0) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
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parents:
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diff
changeset
|
1563 buf->printf("N%jd", -value); |
| 159 | 1564 else |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
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parents:
1012
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changeset
|
1565 buf->printf("%jd", value); |
| 159 | 1566 } |
| 1567 | |
| 1568 /******************************** RealExp **************************/ | |
| 1569 | |
| 1570 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1571 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1572 { | |
| 1573 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1574 this->value = value; | |
| 1575 this->type = type; | |
| 1576 } | |
| 1577 | |
| 1578 char *RealExp::toChars() | |
| 1579 { | |
| 1580 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1581 | |
| 1582 #ifdef IN_GCC | |
| 1583 value.format(buffer, sizeof(buffer)); | |
| 1584 if (type->isimaginary()) | |
| 1585 strcat(buffer, "i"); | |
| 1586 #else | |
| 1587 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1588 #endif | |
| 1589 assert(strlen(buffer) < sizeof(buffer)); | |
| 1590 return mem.strdup(buffer); | |
| 1591 } | |
| 1592 | |
| 1593 integer_t RealExp::toInteger() | |
| 1594 { | |
| 1595 #ifdef IN_GCC | |
| 1596 return toReal().toInt(); | |
| 1597 #else | |
| 1598 return (sinteger_t) toReal(); | |
| 1599 #endif | |
| 1600 } | |
| 1601 | |
| 1602 uinteger_t RealExp::toUInteger() | |
| 1603 { | |
| 1604 #ifdef IN_GCC | |
| 1605 return (uinteger_t) toReal().toInt(); | |
| 1606 #else | |
| 1607 return (uinteger_t) toReal(); | |
| 1608 #endif | |
| 1609 } | |
| 1610 | |
| 1611 real_t RealExp::toReal() | |
| 1612 { | |
| 1613 return type->isreal() ? value : 0; | |
| 1614 } | |
| 1615 | |
| 1616 real_t RealExp::toImaginary() | |
| 1617 { | |
| 1618 return type->isreal() ? 0 : value; | |
| 1619 } | |
| 1620 | |
| 1621 complex_t RealExp::toComplex() | |
| 1622 { | |
| 1623 #ifdef __DMC__ | |
| 1624 return toReal() + toImaginary() * I; | |
| 1625 #else | |
| 1626 return complex_t(toReal(), toImaginary()); | |
| 1627 #endif | |
| 1628 } | |
| 1629 | |
| 1630 /******************************** | |
| 1631 * Test to see if two reals are the same. | |
| 1632 * Regard NaN's as equivalent. | |
| 1633 * Regard +0 and -0 as different. | |
| 1634 */ | |
| 1635 | |
| 1636 int RealEquals(real_t x1, real_t x2) | |
| 1637 { | |
|
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1638 #if __APPLE__ |
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1639 return (__inline_isnan(x1) && __inline_isnan(x2)) || |
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1640 #else |
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1641 return // special case nans |
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1642 (isnan(x1) && isnan(x2)) || |
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1643 #endif |
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1644 // and zero, in order to distinguish +0 from -0 |
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1645 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
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1646 // otherwise just compare |
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1647 (x1 != 0. && x1 == x2); |
| 159 | 1648 } |
| 1649 | |
| 1650 int RealExp::equals(Object *o) | |
| 1651 { RealExp *ne; | |
| 1652 | |
| 1653 if (this == o || | |
| 1654 (((Expression *)o)->op == TOKfloat64 && | |
| 1655 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1656 RealEquals(value, ne->value) | |
| 1657 ) | |
| 1658 ) | |
| 1659 return 1; | |
| 1660 return 0; | |
| 1661 } | |
| 1662 | |
| 1663 Expression *RealExp::semantic(Scope *sc) | |
| 1664 { | |
| 1665 if (!type) | |
| 1666 type = Type::tfloat64; | |
| 1667 else | |
| 1668 type = type->semantic(loc, sc); | |
| 1669 return this; | |
| 1670 } | |
| 1671 | |
| 1672 int RealExp::isBool(int result) | |
| 1673 { | |
| 1674 #ifdef IN_GCC | |
| 1675 return result ? (! value.isZero()) : (value.isZero()); | |
| 1676 #else | |
| 1677 return result ? (value != 0) | |
| 1678 : (value == 0); | |
| 1679 #endif | |
| 1680 } | |
| 1681 | |
| 1682 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1683 { | |
| 1684 /* In order to get an exact representation, try converting it | |
| 1685 * to decimal then back again. If it matches, use it. | |
| 1686 * If it doesn't, fall back to hex, which is | |
| 1687 * always exact. | |
| 1688 */ | |
| 1689 char buffer[25]; | |
| 1690 sprintf(buffer, "%Lg", value); | |
| 1691 assert(strlen(buffer) < sizeof(buffer)); | |
| 1692 #if _WIN32 && __DMC__ | |
| 1693 char *save = __locale_decpoint; | |
| 1694 __locale_decpoint = "."; | |
| 1695 real_t r = strtold(buffer, NULL); | |
| 1696 __locale_decpoint = save; | |
| 1697 #else | |
| 1698 real_t r = strtold(buffer, NULL); | |
| 1699 #endif | |
| 1700 if (r == value) // if exact duplication | |
| 1701 buf->writestring(buffer); | |
| 1702 else | |
| 1703 buf->printf("%La", value); // ensure exact duplication | |
| 1704 | |
| 1705 if (type) | |
| 1706 { | |
| 1707 Type *t = type->toBasetype(); | |
| 1708 switch (t->ty) | |
| 1709 { | |
| 1710 case Tfloat32: | |
| 1711 case Timaginary32: | |
| 1712 case Tcomplex32: | |
| 1713 buf->writeByte('F'); | |
| 1714 break; | |
| 1715 | |
| 1716 case Tfloat80: | |
| 1717 case Timaginary80: | |
| 1718 case Tcomplex80: | |
| 1719 buf->writeByte('L'); | |
| 1720 break; | |
| 1721 | |
| 1722 default: | |
| 1723 break; | |
| 1724 } | |
| 1725 if (t->isimaginary()) | |
| 1726 buf->writeByte('i'); | |
| 1727 } | |
| 1728 } | |
| 1729 | |
| 1730 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1731 { | |
| 1732 floatToBuffer(buf, type, value); | |
| 1733 } | |
| 1734 | |
| 1735 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1736 { | |
| 1737 /* Rely on %A to get portable mangling. | |
| 1738 * Must munge result to get only identifier characters. | |
| 1739 * | |
| 1740 * Possible values from %A => mangled result | |
| 1741 * NAN => NAN | |
| 1742 * -INF => NINF | |
| 1743 * INF => INF | |
| 1744 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1745 * 0X1.9P+2 => 19P2 | |
| 1746 */ | |
| 1747 | |
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1749 if (__inline_isnan(value)) |
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1750 #else |
| 159 | 1751 if (isnan(value)) |
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1752 #endif |
| 159 | 1753 buf->writestring("NAN"); // no -NAN bugs |
| 1754 else | |
| 1755 { | |
| 1756 char buffer[32]; | |
| 1757 int n = sprintf(buffer, "%LA", value); | |
| 1758 assert(n > 0 && n < sizeof(buffer)); | |
| 1759 for (int i = 0; i < n; i++) | |
| 1760 { char c = buffer[i]; | |
| 1761 | |
| 1762 switch (c) | |
| 1763 { | |
| 1764 case '-': | |
| 1765 buf->writeByte('N'); | |
| 1766 break; | |
| 1767 | |
| 1768 case '+': | |
| 1769 case 'X': | |
| 1770 case '.': | |
| 1771 break; | |
| 1772 | |
| 1773 case '0': | |
| 1774 if (i < 2) | |
| 1775 break; // skip leading 0X | |
| 1776 default: | |
| 1777 buf->writeByte(c); | |
| 1778 break; | |
| 1779 } | |
| 1780 } | |
| 1781 } | |
| 1782 } | |
| 1783 | |
| 1784 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1785 { | |
| 1786 buf->writeByte('e'); | |
| 1787 realToMangleBuffer(buf, value); | |
| 1788 } | |
| 1789 | |
| 1790 | |
| 1791 /******************************** ComplexExp **************************/ | |
| 1792 | |
| 1793 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1794 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1795 { | |
| 1796 this->value = value; | |
| 1797 this->type = type; | |
| 1798 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1799 } | |
| 1800 | |
| 1801 char *ComplexExp::toChars() | |
| 1802 { | |
| 1803 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1804 | |
| 1805 #ifdef IN_GCC | |
| 1806 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1807 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1808 creall(value).format(buf1, sizeof(buf1)); | |
| 1809 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1810 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1811 #else | |
| 1812 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1813 assert(strlen(buffer) < sizeof(buffer)); | |
| 1814 #endif | |
| 1815 return mem.strdup(buffer); | |
| 1816 } | |
| 1817 | |
| 1818 integer_t ComplexExp::toInteger() | |
| 1819 { | |
| 1820 #ifdef IN_GCC | |
| 1821 return (sinteger_t) toReal().toInt(); | |
| 1822 #else | |
| 1823 return (sinteger_t) toReal(); | |
| 1824 #endif | |
| 1825 } | |
| 1826 | |
| 1827 uinteger_t ComplexExp::toUInteger() | |
| 1828 { | |
| 1829 #ifdef IN_GCC | |
| 1830 return (uinteger_t) toReal().toInt(); | |
| 1831 #else | |
| 1832 return (uinteger_t) toReal(); | |
| 1833 #endif | |
| 1834 } | |
| 1835 | |
| 1836 real_t ComplexExp::toReal() | |
| 1837 { | |
| 1838 return creall(value); | |
| 1839 } | |
| 1840 | |
| 1841 real_t ComplexExp::toImaginary() | |
| 1842 { | |
| 1843 return cimagl(value); | |
| 1844 } | |
| 1845 | |
| 1846 complex_t ComplexExp::toComplex() | |
| 1847 { | |
| 1848 return value; | |
| 1849 } | |
| 1850 | |
| 1851 int ComplexExp::equals(Object *o) | |
| 1852 { ComplexExp *ne; | |
| 1853 | |
| 1854 if (this == o || | |
| 1855 (((Expression *)o)->op == TOKcomplex80 && | |
| 1856 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1857 RealEquals(creall(value), creall(ne->value)) && | |
| 1858 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1859 ) | |
| 1860 ) | |
| 1861 return 1; | |
| 1862 return 0; | |
| 1863 } | |
| 1864 | |
| 1865 Expression *ComplexExp::semantic(Scope *sc) | |
| 1866 { | |
| 1867 if (!type) | |
| 1868 type = Type::tcomplex80; | |
| 1869 else | |
| 1870 type = type->semantic(loc, sc); | |
| 1871 return this; | |
| 1872 } | |
| 1873 | |
| 1874 int ComplexExp::isBool(int result) | |
| 1875 { | |
| 1876 if (result) | |
| 1877 return (bool)(value); | |
| 1878 else | |
| 1879 return !value; | |
| 1880 } | |
| 1881 | |
| 1882 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1883 { | |
| 1884 /* Print as: | |
| 1885 * (re+imi) | |
| 1886 */ | |
| 1887 #ifdef IN_GCC | |
| 1888 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1889 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1890 creall(value).format(buf1, sizeof(buf1)); | |
| 1891 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1892 buf->printf("(%s+%si)", buf1, buf2); | |
| 1893 #else | |
| 1894 buf->writeByte('('); | |
| 1895 floatToBuffer(buf, type, creall(value)); | |
| 1896 buf->writeByte('+'); | |
| 1897 floatToBuffer(buf, type, cimagl(value)); | |
| 1898 buf->writestring("i)"); | |
| 1899 #endif | |
| 1900 } | |
| 1901 | |
| 1902 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1903 { | |
| 1904 buf->writeByte('c'); | |
| 1905 real_t r = toReal(); | |
| 1906 realToMangleBuffer(buf, r); | |
| 1907 buf->writeByte('c'); // separate the two | |
| 1908 r = toImaginary(); | |
| 1909 realToMangleBuffer(buf, r); | |
| 1910 } | |
| 1911 | |
| 1912 /******************************** IdentifierExp **************************/ | |
| 1913 | |
| 1914 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1915 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1916 { | |
| 1917 this->ident = ident; | |
| 1918 } | |
| 1919 | |
| 1920 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1921 { | |
| 1922 Dsymbol *s; | |
| 1923 Dsymbol *scopesym; | |
| 1924 | |
| 1925 #if LOGSEMANTIC | |
| 1926 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1927 #endif | |
| 1928 s = sc->search(loc, ident, &scopesym); | |
| 1929 if (s) | |
| 1930 { Expression *e; | |
| 1931 WithScopeSymbol *withsym; | |
| 1932 | |
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1933 /* See if the symbol was a member of an enclosing 'with' |
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1934 */ |
| 159 | 1935 withsym = scopesym->isWithScopeSymbol(); |
| 1936 if (withsym) | |
| 1937 { | |
| 1938 s = s->toAlias(); | |
| 1939 | |
| 1940 // Same as wthis.ident | |
| 1941 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1942 { | |
| 1943 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1944 e = new DotIdExp(loc, e, ident); | |
| 1945 } | |
| 1946 else | |
| 1947 { Type *t = withsym->withstate->wthis->type; | |
| 1948 if (t->ty == Tpointer) | |
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1949 t = ((TypePointer *)t)->next; |
| 159 | 1950 e = new TypeDotIdExp(loc, t, ident); |
| 1951 } | |
| 1952 } | |
| 1953 else | |
| 1954 { | |
| 1955 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1956 { // Kludge to run semantic() here because | |
| 1957 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1958 s->semantic(sc); | |
| 1959 } | |
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1960 /* If f is really a function template, |
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1961 * then replace f with the function template declaration. |
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1962 */ |
| 159 | 1963 FuncDeclaration *f = s->isFuncDeclaration(); |
| 1964 if (f && f->parent) | |
| 1965 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1966 | |
| 1967 if (ti && | |
| 1968 !ti->isTemplateMixin() && | |
| 1969 (ti->name == f->ident || | |
| 1970 ti->toAlias()->ident == f->ident) | |
| 1971 && | |
| 1972 ti->tempdecl && ti->tempdecl->onemember) | |
| 1973 { | |
| 1974 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1975 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1976 tempdecl = tempdecl->overroot; // then get the start | |
| 1977 e = new TemplateExp(loc, tempdecl); | |
| 1978 e = e->semantic(sc); | |
| 1979 return e; | |
| 1980 } | |
| 1981 } | |
| 1982 e = new DsymbolExp(loc, s); | |
| 1983 } | |
| 1984 return e->semantic(sc); | |
| 1985 } | |
| 1986 error("undefined identifier %s", ident->toChars()); | |
| 1987 type = Type::terror; | |
| 1988 return this; | |
| 1989 } | |
| 1990 | |
| 1991 char *IdentifierExp::toChars() | |
| 1992 { | |
| 1993 return ident->toChars(); | |
| 1994 } | |
| 1995 | |
| 1996 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1997 { | |
| 1998 if (hgs->hdrgen) | |
| 1999 buf->writestring(ident->toHChars2()); | |
| 2000 else | |
| 2001 buf->writestring(ident->toChars()); | |
| 2002 } | |
| 2003 | |
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2004 #if DMDV2 |
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2005 int IdentifierExp::isLvalue() |
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2006 { |
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2007 return 1; |
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2008 } |
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2009 #endif |
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2010 |
| 159 | 2011 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) |
| 2012 { | |
| 2013 #if 0 | |
| 2014 tym = tybasic(e1->ET->Tty); | |
| 2015 if (!(tyscalar(tym) || | |
| 2016 tym == TYstruct || | |
| 2017 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2018 synerr(EM_lvalue); // lvalue expected | |
| 2019 #endif | |
| 2020 return this; | |
| 2021 } | |
| 2022 | |
| 2023 /******************************** DollarExp **************************/ | |
| 2024 | |
| 2025 DollarExp::DollarExp(Loc loc) | |
| 2026 : IdentifierExp(loc, Id::dollar) | |
| 2027 { | |
| 2028 } | |
| 2029 | |
| 2030 /******************************** DsymbolExp **************************/ | |
| 2031 | |
| 2032 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 2033 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 2034 { | |
| 2035 this->s = s; | |
| 2036 } | |
| 2037 | |
| 2038 Expression *DsymbolExp::semantic(Scope *sc) | |
| 2039 { | |
| 2040 #if LOGSEMANTIC | |
| 2041 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 2042 #endif | |
| 2043 | |
| 2044 Lagain: | |
| 2045 EnumMember *em; | |
| 2046 Expression *e; | |
| 2047 VarDeclaration *v; | |
| 2048 FuncDeclaration *f; | |
| 2049 FuncLiteralDeclaration *fld; | |
| 2050 Declaration *d; | |
| 2051 ClassDeclaration *cd; | |
| 2052 ClassDeclaration *thiscd = NULL; | |
| 2053 Import *imp; | |
| 2054 Package *pkg; | |
| 2055 Type *t; | |
| 2056 | |
| 2057 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 2058 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 2059 if (type) | |
| 2060 return this; | |
| 2061 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 2062 checkDeprecated(sc, s); | |
| 2063 s = s->toAlias(); | |
| 2064 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 2065 if (!s->isFuncDeclaration()) | |
| 2066 checkDeprecated(sc, s); | |
| 2067 | |
| 2068 if (sc->func) | |
| 2069 thiscd = sc->func->parent->isClassDeclaration(); | |
| 2070 | |
| 2071 // BUG: This should happen after overload resolution for functions, not before | |
| 2072 if (s->needThis()) | |
| 2073 { | |
|
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2074 if (hasThis(sc) |
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2075 #if DMDV2 |
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2076 && !s->isFuncDeclaration() |
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2077 #endif |
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2078 ) |
| 159 | 2079 { |
| 2080 // Supply an implicit 'this', as in | |
| 2081 // this.ident | |
| 2082 | |
| 2083 DotVarExp *de; | |
| 2084 | |
| 2085 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 2086 return de->semantic(sc); | |
| 2087 } | |
| 2088 } | |
| 2089 | |
| 2090 em = s->isEnumMember(); | |
| 2091 if (em) | |
| 2092 { | |
| 2093 e = em->value->copy(); | |
| 2094 e = e->semantic(sc); | |
| 2095 return e; | |
| 2096 } | |
| 2097 v = s->isVarDeclaration(); | |
| 2098 if (v) | |
| 2099 { | |
| 2100 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 2101 if (!type) | |
| 2102 { type = v->type; | |
| 2103 if (!v->type) | |
| 2104 { error("forward reference of %s", v->toChars()); | |
| 2105 type = Type::terror; | |
| 2106 } | |
| 2107 } | |
| 2108 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 2109 { | |
| 2110 if (v->init) | |
| 2111 { | |
| 2112 if (v->inuse) | |
| 2113 { | |
| 2114 error("circular reference to '%s'", v->toChars()); | |
| 2115 type = Type::tint32; | |
| 2116 return this; | |
| 2117 } | |
| 2118 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 2119 if (ei) | |
| 2120 { | |
| 2121 e = ei->exp->copy(); // make copy so we can change loc | |
| 2122 if (e->op == TOKstring || !e->type) | |
| 2123 e = e->semantic(sc); | |
| 2124 e = e->implicitCastTo(sc, type); | |
| 2125 e->loc = loc; | |
| 2126 return e; | |
| 2127 } | |
| 2128 } | |
| 2129 else | |
| 2130 { | |
| 2131 e = type->defaultInit(); | |
| 2132 e->loc = loc; | |
| 2133 return e; | |
| 2134 } | |
| 2135 } | |
| 2136 e = new VarExp(loc, v); | |
| 2137 e->type = type; | |
| 2138 e = e->semantic(sc); | |
| 2139 return e->deref(); | |
| 2140 } | |
| 2141 fld = s->isFuncLiteralDeclaration(); | |
| 2142 if (fld) | |
| 2143 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2144 e = new FuncExp(loc, fld); | |
| 2145 return e->semantic(sc); | |
| 2146 } | |
| 2147 f = s->isFuncDeclaration(); | |
| 2148 if (f) | |
| 2149 { //printf("'%s' is a function\n", f->toChars()); | |
| 2150 return new VarExp(loc, f); | |
| 2151 } | |
| 2152 cd = s->isClassDeclaration(); | |
| 2153 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2154 { | |
| 2155 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2156 DotTypeExp *dte; | |
| 2157 | |
| 2158 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2159 return dte->semantic(sc); | |
| 2160 } | |
| 2161 imp = s->isImport(); | |
| 2162 if (imp) | |
| 2163 { | |
| 2164 ScopeExp *ie; | |
| 2165 | |
| 2166 ie = new ScopeExp(loc, imp->pkg); | |
| 2167 return ie->semantic(sc); | |
| 2168 } | |
| 2169 pkg = s->isPackage(); | |
| 2170 if (pkg) | |
| 2171 { | |
| 2172 ScopeExp *ie; | |
| 2173 | |
| 2174 ie = new ScopeExp(loc, pkg); | |
| 2175 return ie->semantic(sc); | |
| 2176 } | |
| 2177 Module *mod = s->isModule(); | |
| 2178 if (mod) | |
| 2179 { | |
| 2180 ScopeExp *ie; | |
| 2181 | |
| 2182 ie = new ScopeExp(loc, mod); | |
| 2183 return ie->semantic(sc); | |
| 2184 } | |
| 2185 | |
| 2186 t = s->getType(); | |
| 2187 if (t) | |
| 2188 { | |
| 2189 return new TypeExp(loc, t); | |
| 2190 } | |
| 2191 | |
| 2192 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2193 if (tup) | |
| 2194 { | |
| 2195 e = new TupleExp(loc, tup); | |
| 2196 e = e->semantic(sc); | |
| 2197 return e; | |
| 2198 } | |
| 2199 | |
| 2200 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2201 if (ti && !global.errors) | |
| 2202 { if (!ti->semanticdone) | |
| 2203 ti->semantic(sc); | |
| 2204 s = ti->inst->toAlias(); | |
| 2205 if (!s->isTemplateInstance()) | |
| 2206 goto Lagain; | |
| 2207 e = new ScopeExp(loc, ti); | |
| 2208 e = e->semantic(sc); | |
| 2209 return e; | |
| 2210 } | |
| 2211 | |
| 2212 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2213 if (td) | |
| 2214 { | |
| 2215 e = new TemplateExp(loc, td); | |
| 2216 e = e->semantic(sc); | |
| 2217 return e; | |
| 2218 } | |
| 2219 | |
| 2220 Lerr: | |
| 2221 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2222 type = Type::terror; | |
| 2223 return this; | |
| 2224 } | |
| 2225 | |
| 2226 char *DsymbolExp::toChars() | |
| 2227 { | |
| 2228 return s->toChars(); | |
| 2229 } | |
| 2230 | |
| 2231 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2232 { | |
| 2233 buf->writestring(s->toChars()); | |
| 2234 } | |
| 2235 | |
|
875
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2236 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
2237 int DsymbolExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2238 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2239 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2240 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2241 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
2242 |
| 159 | 2243 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) |
| 2244 { | |
| 2245 #if 0 | |
| 2246 tym = tybasic(e1->ET->Tty); | |
| 2247 if (!(tyscalar(tym) || | |
| 2248 tym == TYstruct || | |
| 2249 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2250 synerr(EM_lvalue); // lvalue expected | |
| 2251 #endif | |
| 2252 return this; | |
| 2253 } | |
| 2254 | |
| 2255 /******************************** ThisExp **************************/ | |
| 2256 | |
| 2257 ThisExp::ThisExp(Loc loc) | |
| 2258 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2259 { | |
| 2260 var = NULL; | |
| 2261 } | |
| 2262 | |
| 2263 Expression *ThisExp::semantic(Scope *sc) | |
| 2264 { FuncDeclaration *fd; | |
| 2265 FuncDeclaration *fdthis; | |
| 2266 int nested = 0; | |
| 2267 | |
| 2268 #if LOGSEMANTIC | |
| 2269 printf("ThisExp::semantic()\n"); | |
| 2270 #endif | |
| 2271 if (type) | |
| 2272 { //assert(global.errors || var); | |
| 2273 return this; | |
| 2274 } | |
| 2275 | |
| 2276 /* Special case for typeof(this) and typeof(super) since both | |
| 2277 * should work even if they are not inside a non-static member function | |
| 2278 */ | |
| 2279 if (sc->intypeof) | |
| 2280 { | |
| 2281 // Find enclosing struct or class | |
| 2282 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2283 { | |
| 2284 ClassDeclaration *cd; | |
| 2285 StructDeclaration *sd; | |
| 2286 | |
| 2287 if (!s) | |
| 2288 { | |
| 2289 error("%s is not in a struct or class scope", toChars()); | |
| 2290 goto Lerr; | |
| 2291 } | |
| 2292 cd = s->isClassDeclaration(); | |
| 2293 if (cd) | |
| 2294 { | |
| 2295 type = cd->type; | |
| 2296 return this; | |
| 2297 } | |
| 2298 sd = s->isStructDeclaration(); | |
| 2299 if (sd) | |
| 2300 { | |
| 2301 type = sd->type->pointerTo(); | |
| 2302 return this; | |
| 2303 } | |
| 2304 } | |
| 2305 } | |
| 2306 | |
| 2307 fdthis = sc->parent->isFuncDeclaration(); | |
| 2308 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2309 if (!fd) | |
| 2310 goto Lerr; | |
| 2311 | |
| 2312 assert(fd->vthis); | |
| 2313 var = fd->vthis; | |
| 2314 assert(var->parent); | |
| 2315 type = var->type; | |
| 2316 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2317 #if 0 | |
| 2318 if (fd != fdthis) // if nested | |
| 2319 { | |
| 2320 fdthis->getLevel(loc, fd); | |
| 2321 fd->vthis->nestedref = 1; | |
| 2322 fd->nestedFrameRef = 1; | |
| 2323 } | |
| 2324 #endif | |
| 336 | 2325 if (!sc->intypeof) |
| 2326 sc->callSuper |= CSXthis; | |
| 159 | 2327 return this; |
| 2328 | |
| 2329 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
|
2330 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
|
2331 type = Type::terror; |
| 159 | 2332 return this; |
| 2333 } | |
| 2334 | |
| 2335 int ThisExp::isBool(int result) | |
| 2336 { | |
| 2337 return result ? TRUE : FALSE; | |
| 2338 } | |
| 2339 | |
| 2340 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2341 { | |
| 2342 buf->writestring("this"); | |
| 2343 } | |
| 2344 | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
2345 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2346 int ThisExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2347 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2348 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2349 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
2350 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2351 |
| 159 | 2352 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) |
| 2353 { | |
| 2354 return this; | |
| 2355 } | |
| 2356 | |
| 2357 /******************************** SuperExp **************************/ | |
| 2358 | |
| 2359 SuperExp::SuperExp(Loc loc) | |
| 2360 : ThisExp(loc) | |
| 2361 { | |
| 2362 op = TOKsuper; | |
| 2363 } | |
| 2364 | |
| 2365 Expression *SuperExp::semantic(Scope *sc) | |
| 2366 { FuncDeclaration *fd; | |
| 2367 FuncDeclaration *fdthis; | |
| 2368 ClassDeclaration *cd; | |
| 2369 Dsymbol *s; | |
| 2370 | |
| 2371 #if LOGSEMANTIC | |
| 2372 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2373 #endif | |
| 2374 if (type) | |
| 2375 return this; | |
| 2376 | |
| 2377 /* Special case for typeof(this) and typeof(super) since both | |
| 2378 * should work even if they are not inside a non-static member function | |
| 2379 */ | |
| 2380 if (sc->intypeof) | |
| 2381 { | |
| 2382 // Find enclosing class | |
| 2383 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2384 { | |
| 2385 ClassDeclaration *cd; | |
| 2386 | |
| 2387 if (!s) | |
| 2388 { | |
| 2389 error("%s is not in a class scope", toChars()); | |
| 2390 goto Lerr; | |
| 2391 } | |
| 2392 cd = s->isClassDeclaration(); | |
| 2393 if (cd) | |
| 2394 { | |
| 2395 cd = cd->baseClass; | |
| 2396 if (!cd) | |
| 2397 { error("class %s has no 'super'", s->toChars()); | |
| 2398 goto Lerr; | |
| 2399 } | |
| 2400 type = cd->type; | |
| 2401 return this; | |
| 2402 } | |
| 2403 } | |
| 2404 } | |
| 2405 | |
| 2406 fdthis = sc->parent->isFuncDeclaration(); | |
| 2407 fd = hasThis(sc); | |
| 2408 if (!fd) | |
| 2409 goto Lerr; | |
| 2410 assert(fd->vthis); | |
| 2411 var = fd->vthis; | |
| 2412 assert(var->parent); | |
| 2413 | |
| 2414 s = fd->toParent(); | |
| 2415 while (s && s->isTemplateInstance()) | |
| 2416 s = s->toParent(); | |
| 2417 assert(s); | |
| 2418 cd = s->isClassDeclaration(); | |
| 2419 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2420 if (!cd) | |
| 2421 goto Lerr; | |
| 2422 if (!cd->baseClass) | |
| 2423 { | |
| 2424 error("no base class for %s", cd->toChars()); | |
| 2425 type = fd->vthis->type; | |
| 2426 } | |
| 2427 else | |
| 2428 { | |
| 2429 type = cd->baseClass->type; | |
| 2430 } | |
| 2431 | |
| 2432 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2433 #if 0 | |
| 2434 if (fd != fdthis) | |
| 2435 { | |
| 2436 fdthis->getLevel(loc, fd); | |
| 2437 fd->vthis->nestedref = 1; | |
| 2438 fd->nestedFrameRef = 1; | |
| 2439 } | |
| 2440 #endif | |
| 2441 | |
| 336 | 2442 if (!sc->intypeof) |
| 2443 sc->callSuper |= CSXsuper; | |
| 159 | 2444 return this; |
| 2445 | |
| 2446 | |
| 2447 Lerr: | |
| 2448 error("'super' is only allowed in non-static class member functions"); | |
| 2449 type = Type::tint32; | |
| 2450 return this; | |
| 2451 } | |
| 2452 | |
| 2453 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2454 { | |
| 2455 buf->writestring("super"); | |
| 2456 } | |
| 2457 | |
| 2458 | |
| 2459 /******************************** NullExp **************************/ | |
| 2460 | |
| 2461 NullExp::NullExp(Loc loc) | |
| 2462 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2463 { | |
| 2464 committed = 0; | |
| 2465 } | |
| 2466 | |
| 2467 Expression *NullExp::semantic(Scope *sc) | |
| 2468 { | |
| 2469 #if LOGSEMANTIC | |
| 2470 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2471 #endif | |
| 2472 // NULL is the same as (void *)0 | |
| 2473 if (!type) | |
| 2474 type = Type::tvoid->pointerTo(); | |
| 2475 return this; | |
| 2476 } | |
| 2477 | |
| 2478 int NullExp::isBool(int result) | |
| 2479 { | |
| 2480 return result ? FALSE : TRUE; | |
| 2481 } | |
| 2482 | |
| 2483 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2484 { | |
| 2485 buf->writestring("null"); | |
| 2486 } | |
| 2487 | |
| 2488 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2489 { | |
| 2490 buf->writeByte('n'); | |
| 2491 } | |
| 2492 | |
| 2493 /******************************** StringExp **************************/ | |
| 2494 | |
| 2495 StringExp::StringExp(Loc loc, char *string) | |
| 2496 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2497 { | |
| 2498 this->string = string; | |
| 2499 this->len = strlen(string); | |
| 2500 this->sz = 1; | |
| 2501 this->committed = 0; | |
| 2502 this->postfix = 0; | |
| 2503 } | |
| 2504 | |
| 2505 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2506 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2507 { | |
| 2508 this->string = string; | |
| 2509 this->len = len; | |
| 2510 this->sz = 1; | |
| 2511 this->committed = 0; | |
| 2512 this->postfix = 0; | |
| 2513 } | |
| 2514 | |
| 2515 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2516 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2517 { | |
| 2518 this->string = string; | |
| 2519 this->len = len; | |
| 2520 this->sz = 1; | |
| 2521 this->committed = 0; | |
| 2522 this->postfix = postfix; | |
| 2523 } | |
| 2524 | |
| 2525 #if 0 | |
| 2526 Expression *StringExp::syntaxCopy() | |
| 2527 { | |
| 2528 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2529 return copy(); | |
| 2530 } | |
| 2531 #endif | |
| 2532 | |
| 2533 int StringExp::equals(Object *o) | |
| 2534 { | |
| 2535 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2536 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2537 { Expression *e = (Expression *)o; | |
| 2538 | |
| 2539 if (e->op == TOKstring) | |
| 2540 { | |
| 2541 return compare(o) == 0; | |
| 2542 } | |
| 2543 } | |
| 2544 return FALSE; | |
| 2545 } | |
| 2546 | |
| 2547 char *StringExp::toChars() | |
| 2548 { | |
| 2549 OutBuffer buf; | |
| 2550 HdrGenState hgs; | |
| 2551 char *p; | |
| 2552 | |
| 2553 memset(&hgs, 0, sizeof(hgs)); | |
| 2554 toCBuffer(&buf, &hgs); | |
| 2555 buf.writeByte(0); | |
| 2556 p = (char *)buf.data; | |
| 2557 buf.data = NULL; | |
| 2558 return p; | |
| 2559 } | |
| 2560 | |
| 2561 Expression *StringExp::semantic(Scope *sc) | |
| 2562 { | |
| 2563 #if LOGSEMANTIC | |
| 2564 printf("StringExp::semantic() %s\n", toChars()); | |
| 2565 #endif | |
| 2566 if (!type) | |
| 2567 { OutBuffer buffer; | |
| 2568 size_t newlen = 0; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
2569 const char *p; |
| 159 | 2570 size_t u; |
| 2571 unsigned c; | |
| 2572 | |
| 2573 switch (postfix) | |
| 2574 { | |
| 2575 case 'd': | |
| 2576 for (u = 0; u < len;) | |
| 2577 { | |
| 2578 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2579 if (p) | |
| 2580 { error("%s", p); | |
| 2581 break; | |
| 2582 } | |
| 2583 else | |
| 2584 { buffer.write4(c); | |
| 2585 newlen++; | |
| 2586 } | |
| 2587 } | |
| 2588 buffer.write4(0); | |
| 2589 string = buffer.extractData(); | |
| 2590 len = newlen; | |
| 2591 sz = 4; | |
| 2592 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2593 committed = 1; | |
| 2594 break; | |
| 2595 | |
| 2596 case 'w': | |
| 2597 for (u = 0; u < len;) | |
| 2598 { | |
| 2599 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2600 if (p) | |
| 2601 { error("%s", p); | |
| 2602 break; | |
| 2603 } | |
| 2604 else | |
| 2605 { buffer.writeUTF16(c); | |
| 2606 newlen++; | |
| 2607 if (c >= 0x10000) | |
| 2608 newlen++; | |
| 2609 } | |
| 2610 } | |
| 2611 buffer.writeUTF16(0); | |
| 2612 string = buffer.extractData(); | |
| 2613 len = newlen; | |
| 2614 sz = 2; | |
| 2615 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2616 committed = 1; | |
| 2617 break; | |
| 2618 | |
| 2619 case 'c': | |
| 2620 committed = 1; | |
| 2621 default: | |
| 2622 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2623 break; | |
| 2624 } | |
| 2625 type = type->semantic(loc, sc); | |
| 2626 } | |
| 2627 return this; | |
| 2628 } | |
| 2629 | |
| 2630 /**************************************** | |
| 2631 * Convert string to char[]. | |
| 2632 */ | |
| 2633 | |
| 2634 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2635 { | |
| 2636 if (sz != 1) | |
| 2637 { // Convert to UTF-8 string | |
| 2638 committed = 0; | |
| 2639 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2640 e = e->optimize(WANTvalue); | |
| 2641 assert(e->op == TOKstring); | |
| 2642 StringExp *se = (StringExp *)e; | |
| 2643 assert(se->sz == 1); | |
| 2644 return se; | |
| 2645 } | |
| 2646 return this; | |
| 2647 } | |
| 2648 | |
| 2649 int StringExp::compare(Object *obj) | |
| 2650 { | |
| 2651 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2652 StringExp *se2 = (StringExp *)(obj); | |
| 2653 | |
| 2654 // This is a kludge so isExpression() in template.c will return 5 | |
| 2655 // for StringExp's. | |
| 2656 if (!se2) | |
| 2657 return 5; | |
| 2658 | |
| 2659 assert(se2->op == TOKstring); | |
| 2660 | |
| 2661 int len1 = len; | |
| 2662 int len2 = se2->len; | |
| 2663 | |
| 2664 if (len1 == len2) | |
| 2665 { | |
| 2666 switch (sz) | |
| 2667 { | |
| 2668 case 1: | |
| 2669 return strcmp((char *)string, (char *)se2->string); | |
| 2670 | |
| 2671 case 2: | |
| 2672 { unsigned u; | |
| 2673 d_wchar *s1 = (d_wchar *)string; | |
| 2674 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2675 | |
| 2676 for (u = 0; u < len; u++) | |
| 2677 { | |
| 2678 if (s1[u] != s2[u]) | |
| 2679 return s1[u] - s2[u]; | |
| 2680 } | |
| 2681 } | |
| 2682 | |
| 2683 case 4: | |
| 2684 { unsigned u; | |
| 2685 d_dchar *s1 = (d_dchar *)string; | |
| 2686 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2687 | |
| 2688 for (u = 0; u < len; u++) | |
| 2689 { | |
| 2690 if (s1[u] != s2[u]) | |
| 2691 return s1[u] - s2[u]; | |
| 2692 } | |
| 2693 } | |
| 2694 break; | |
| 2695 | |
| 2696 default: | |
| 2697 assert(0); | |
| 2698 } | |
| 2699 } | |
| 2700 return len1 - len2; | |
| 2701 } | |
| 2702 | |
| 2703 int StringExp::isBool(int result) | |
| 2704 { | |
| 2705 return result ? TRUE : FALSE; | |
| 2706 } | |
| 2707 | |
| 2708 unsigned StringExp::charAt(size_t i) | |
| 2709 { unsigned value; | |
| 2710 | |
| 2711 switch (sz) | |
| 2712 { | |
| 2713 case 1: | |
| 2714 value = ((unsigned char *)string)[i]; | |
| 2715 break; | |
| 2716 | |
| 2717 case 2: | |
| 2718 value = ((unsigned short *)string)[i]; | |
| 2719 break; | |
| 2720 | |
| 2721 case 4: | |
| 2722 value = ((unsigned int *)string)[i]; | |
| 2723 break; | |
| 2724 | |
| 2725 default: | |
| 2726 assert(0); | |
| 2727 break; | |
| 2728 } | |
| 2729 return value; | |
| 2730 } | |
| 2731 | |
| 2732 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2733 { | |
| 2734 buf->writeByte('"'); | |
| 2735 for (size_t i = 0; i < len; i++) | |
| 2736 { unsigned c = charAt(i); | |
| 2737 | |
| 2738 switch (c) | |
| 2739 { | |
| 2740 case '"': | |
| 2741 case '\\': | |
| 2742 if (!hgs->console) | |
| 2743 buf->writeByte('\\'); | |
| 2744 default: | |
| 2745 if (c <= 0xFF) | |
| 2746 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2747 buf->writeByte(c); | |
| 2748 else | |
| 2749 buf->printf("\\x%02x", c); | |
| 2750 } | |
| 2751 else if (c <= 0xFFFF) | |
| 2752 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2753 else | |
| 2754 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2755 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2756 break; | |
| 2757 } | |
| 2758 } | |
| 2759 buf->writeByte('"'); | |
| 2760 if (postfix) | |
| 2761 buf->writeByte(postfix); | |
| 2762 } | |
| 2763 | |
| 2764 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2765 { char m; | |
| 2766 OutBuffer tmp; | |
|
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diff
changeset
|
2767 const char *p; |
| 159 | 2768 unsigned c; |
| 2769 size_t u; | |
| 2770 unsigned char *q; | |
| 2771 unsigned qlen; | |
| 2772 | |
| 2773 /* Write string in UTF-8 format | |
| 2774 */ | |
| 2775 switch (sz) | |
| 2776 { case 1: | |
| 2777 m = 'a'; | |
| 2778 q = (unsigned char *)string; | |
| 2779 qlen = len; | |
| 2780 break; | |
| 2781 case 2: | |
| 2782 m = 'w'; | |
| 2783 for (u = 0; u < len; ) | |
| 2784 { | |
| 2785 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2786 if (p) | |
| 2787 error("%s", p); | |
| 2788 else | |
| 2789 tmp.writeUTF8(c); | |
| 2790 } | |
| 2791 q = tmp.data; | |
| 2792 qlen = tmp.offset; | |
| 2793 break; | |
| 2794 case 4: | |
| 2795 m = 'd'; | |
| 2796 for (u = 0; u < len; u++) | |
| 2797 { | |
| 2798 c = ((unsigned *)string)[u]; | |
| 2799 if (!utf_isValidDchar(c)) | |
| 2800 error("invalid UCS-32 char \\U%08x", c); | |
| 2801 else | |
| 2802 tmp.writeUTF8(c); | |
| 2803 } | |
| 2804 q = tmp.data; | |
| 2805 qlen = tmp.offset; | |
| 2806 break; | |
| 2807 default: | |
| 2808 assert(0); | |
| 2809 } | |
| 2810 buf->writeByte(m); | |
| 2811 buf->printf("%d_", qlen); | |
| 2812 for (size_t i = 0; i < qlen; i++) | |
| 2813 buf->printf("%02x", q[i]); | |
| 2814 } | |
| 2815 | |
| 2816 /************************ ArrayLiteralExp ************************************/ | |
| 2817 | |
| 2818 // [ e1, e2, e3, ... ] | |
| 2819 | |
| 2820 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2821 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2822 { | |
| 2823 this->elements = elements; | |
| 2824 } | |
| 2825 | |
| 2826 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2827 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2828 { | |
| 2829 elements = new Expressions; | |
| 2830 elements->push(e); | |
| 2831 } | |
| 2832 | |
| 2833 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2834 { | |
| 2835 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2836 } | |
| 2837 | |
| 2838 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2839 { Expression *e; | |
| 2840 Type *t0 = NULL; | |
| 2841 | |
| 2842 #if LOGSEMANTIC | |
| 2843 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2844 #endif | |
| 2845 if (type) | |
| 2846 return this; | |
| 2847 | |
| 2848 // Run semantic() on each element | |
| 2849 for (int i = 0; i < elements->dim; i++) | |
| 2850 { e = (Expression *)elements->data[i]; | |
| 2851 e = e->semantic(sc); | |
| 2852 elements->data[i] = (void *)e; | |
| 2853 } | |
| 2854 expandTuples(elements); | |
| 2855 for (int i = 0; i < elements->dim; i++) | |
| 2856 { e = (Expression *)elements->data[i]; | |
| 2857 | |
| 2858 if (!e->type) | |
| 2859 error("%s has no value", e->toChars()); | |
| 2860 e = resolveProperties(sc, e); | |
| 2861 | |
| 2862 unsigned char committed = 1; | |
| 2863 if (e->op == TOKstring) | |
| 2864 committed = ((StringExp *)e)->committed; | |
| 2865 | |
| 2866 if (!t0) | |
| 2867 { t0 = e->type; | |
| 2868 // Convert any static arrays to dynamic arrays | |
| 2869 if (t0->ty == Tsarray) | |
| 2870 { | |
|
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diff
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2871 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2872 e = e->implicitCastTo(sc, t0); |
| 2873 } | |
| 2874 } | |
| 2875 else | |
| 2876 e = e->implicitCastTo(sc, t0); | |
| 2877 if (!committed && e->op == TOKstring) | |
| 2878 { StringExp *se = (StringExp *)e; | |
| 2879 se->committed = 0; | |
| 2880 } | |
| 2881 elements->data[i] = (void *)e; | |
| 2882 } | |
| 2883 | |
| 2884 if (!t0) | |
| 2885 t0 = Type::tvoid; | |
| 2886 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2887 type = type->semantic(loc, sc); | |
| 2888 return this; | |
| 2889 } | |
| 2890 | |
| 2891 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2892 { int f = 0; | |
| 2893 | |
| 2894 for (size_t i = 0; i < elements->dim; i++) | |
| 2895 { Expression *e = (Expression *)elements->data[i]; | |
| 2896 | |
| 2897 f |= e->checkSideEffect(2); | |
| 2898 } | |
| 2899 if (flag == 0 && f == 0) | |
| 2900 Expression::checkSideEffect(0); | |
| 2901 return f; | |
| 2902 } | |
| 2903 | |
| 2904 int ArrayLiteralExp::isBool(int result) | |
| 2905 { | |
| 2906 size_t dim = elements ? elements->dim : 0; | |
| 2907 return result ? (dim != 0) : (dim == 0); | |
| 2908 } | |
| 2909 | |
|
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2910 #if DMDV2 |
|
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|
2911 int ArrayLiteralExp::canThrow() |
|
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|
2912 { |
|
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diff
changeset
|
2913 return 1; // because it can fail allocating memory |
|
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Merged DMD 1.038
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parents:
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diff
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|
2914 } |
|
330f999ade44
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parents:
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diff
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|
2915 #endif |
|
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diff
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|
2916 |
| 159 | 2917 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 2918 { | |
| 2919 buf->writeByte('['); | |
| 2920 argsToCBuffer(buf, elements, hgs); | |
| 2921 buf->writeByte(']'); | |
| 2922 } | |
| 2923 | |
| 2924 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2925 { | |
| 2926 size_t dim = elements ? elements->dim : 0; | |
| 2927 buf->printf("A%u", dim); | |
| 2928 for (size_t i = 0; i < dim; i++) | |
| 2929 { Expression *e = (Expression *)elements->data[i]; | |
| 2930 e->toMangleBuffer(buf); | |
| 2931 } | |
| 2932 } | |
| 2933 | |
| 2934 /************************ AssocArrayLiteralExp ************************************/ | |
| 2935 | |
| 2936 // [ key0 : value0, key1 : value1, ... ] | |
| 2937 | |
| 2938 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2939 Expressions *keys, Expressions *values) | |
| 2940 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2941 { | |
| 2942 assert(keys->dim == values->dim); | |
| 2943 this->keys = keys; | |
| 2944 this->values = values; | |
| 2945 } | |
| 2946 | |
| 2947 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2948 { | |
| 2949 return new AssocArrayLiteralExp(loc, | |
| 2950 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2951 } | |
| 2952 | |
| 2953 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2954 { Expression *e; | |
| 2955 Type *tkey = NULL; | |
| 2956 Type *tvalue = NULL; | |
| 2957 | |
| 2958 #if LOGSEMANTIC | |
| 2959 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2960 #endif | |
| 2961 | |
| 2962 // Run semantic() on each element | |
| 2963 for (size_t i = 0; i < keys->dim; i++) | |
| 2964 { Expression *key = (Expression *)keys->data[i]; | |
| 2965 Expression *value = (Expression *)values->data[i]; | |
| 2966 | |
| 2967 key = key->semantic(sc); | |
| 2968 value = value->semantic(sc); | |
| 2969 | |
| 2970 keys->data[i] = (void *)key; | |
| 2971 values->data[i] = (void *)value; | |
| 2972 } | |
| 2973 expandTuples(keys); | |
| 2974 expandTuples(values); | |
| 2975 if (keys->dim != values->dim) | |
| 2976 { | |
| 2977 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2978 keys->setDim(0); | |
| 2979 values->setDim(0); | |
| 2980 } | |
| 2981 for (size_t i = 0; i < keys->dim; i++) | |
| 2982 { Expression *key = (Expression *)keys->data[i]; | |
| 2983 Expression *value = (Expression *)values->data[i]; | |
| 2984 | |
| 2985 if (!key->type) | |
| 2986 error("%s has no value", key->toChars()); | |
| 2987 if (!value->type) | |
| 2988 error("%s has no value", value->toChars()); | |
| 2989 key = resolveProperties(sc, key); | |
| 2990 value = resolveProperties(sc, value); | |
| 2991 | |
| 2992 if (!tkey) | |
| 2993 tkey = key->type; | |
| 2994 else | |
| 2995 key = key->implicitCastTo(sc, tkey); | |
| 2996 keys->data[i] = (void *)key; | |
| 2997 | |
| 2998 if (!tvalue) | |
| 2999 tvalue = value->type; | |
| 3000 else | |
| 3001 value = value->implicitCastTo(sc, tvalue); | |
| 3002 values->data[i] = (void *)value; | |
| 3003 } | |
| 3004 | |
| 3005 if (!tkey) | |
| 3006 tkey = Type::tvoid; | |
| 3007 if (!tvalue) | |
| 3008 tvalue = Type::tvoid; | |
| 3009 type = new TypeAArray(tvalue, tkey); | |
| 3010 type = type->semantic(loc, sc); | |
| 3011 return this; | |
| 3012 } | |
| 3013 | |
| 3014 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 3015 { int f = 0; | |
| 3016 | |
| 3017 for (size_t i = 0; i < keys->dim; i++) | |
| 3018 { Expression *key = (Expression *)keys->data[i]; | |
| 3019 Expression *value = (Expression *)values->data[i]; | |
| 3020 | |
| 3021 f |= key->checkSideEffect(2); | |
| 3022 f |= value->checkSideEffect(2); | |
| 3023 } | |
| 3024 if (flag == 0 && f == 0) | |
| 3025 Expression::checkSideEffect(0); | |
| 3026 return f; | |
| 3027 } | |
| 3028 | |
| 3029 int AssocArrayLiteralExp::isBool(int result) | |
| 3030 { | |
| 3031 size_t dim = keys->dim; | |
| 3032 return result ? (dim != 0) : (dim == 0); | |
| 3033 } | |
| 3034 | |
|
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|
3035 #if DMDV2 |
|
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|
3036 int AssocArrayLiteralExp::canThrow() |
|
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parents:
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diff
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|
3037 { |
|
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parents:
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diff
changeset
|
3038 return 1; |
|
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Merged DMD 1.038
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parents:
846
diff
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|
3039 } |
|
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parents:
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diff
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|
3040 #endif |
|
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diff
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|
3041 |
| 159 | 3042 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 3043 { | |
| 3044 buf->writeByte('['); | |
| 3045 for (size_t i = 0; i < keys->dim; i++) | |
| 3046 { Expression *key = (Expression *)keys->data[i]; | |
| 3047 Expression *value = (Expression *)values->data[i]; | |
| 3048 | |
| 3049 if (i) | |
| 3050 buf->writeByte(','); | |
| 3051 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 3052 buf->writeByte(':'); | |
| 3053 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 3054 } | |
| 3055 buf->writeByte(']'); | |
| 3056 } | |
| 3057 | |
| 3058 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3059 { | |
| 3060 size_t dim = keys->dim; | |
| 3061 buf->printf("A%u", dim); | |
| 3062 for (size_t i = 0; i < dim; i++) | |
| 3063 { Expression *key = (Expression *)keys->data[i]; | |
| 3064 Expression *value = (Expression *)values->data[i]; | |
| 3065 | |
| 3066 key->toMangleBuffer(buf); | |
| 3067 value->toMangleBuffer(buf); | |
| 3068 } | |
| 3069 } | |
| 3070 | |
| 3071 /************************ StructLiteralExp ************************************/ | |
| 3072 | |
| 3073 // sd( e1, e2, e3, ... ) | |
| 3074 | |
| 3075 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 3076 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 3077 { | |
| 3078 this->sd = sd; | |
| 3079 this->elements = elements; | |
| 3080 this->sym = NULL; | |
| 3081 this->soffset = 0; | |
| 3082 this->fillHoles = 1; | |
| 3083 } | |
| 3084 | |
| 3085 Expression *StructLiteralExp::syntaxCopy() | |
| 3086 { | |
| 3087 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 3088 } | |
| 3089 | |
| 3090 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 3091 { Expression *e; | |
| 3092 | |
| 3093 #if LOGSEMANTIC | |
| 3094 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 3095 #endif | |
|
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diff
changeset
|
3096 if (type) |
|
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3097 return this; |
| 159 | 3098 |
| 3099 // Run semantic() on each element | |
| 3100 for (size_t i = 0; i < elements->dim; i++) | |
| 3101 { e = (Expression *)elements->data[i]; | |
| 3102 if (!e) | |
| 3103 continue; | |
| 3104 e = e->semantic(sc); | |
| 3105 elements->data[i] = (void *)e; | |
| 3106 } | |
| 3107 expandTuples(elements); | |
| 3108 size_t offset = 0; | |
| 3109 for (size_t i = 0; i < elements->dim; i++) | |
| 3110 { e = (Expression *)elements->data[i]; | |
| 3111 if (!e) | |
| 3112 continue; | |
| 3113 | |
| 3114 if (!e->type) | |
| 3115 error("%s has no value", e->toChars()); | |
| 3116 e = resolveProperties(sc, e); | |
| 3117 if (i >= sd->fields.dim) | |
| 3118 { error("more initializers than fields of %s", sd->toChars()); | |
| 3119 break; | |
| 3120 } | |
| 3121 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3122 VarDeclaration *v = s->isVarDeclaration(); | |
| 3123 assert(v); | |
| 3124 if (v->offset < offset) | |
| 3125 error("overlapping initialization for %s", v->toChars()); | |
| 3126 offset = v->offset + v->type->size(); | |
| 3127 | |
| 3128 Type *telem = v->type; | |
| 3129 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 3130 { /* Static array initialization, as in: | |
| 3131 * T[3][5] = e; | |
| 3132 */ | |
| 3133 telem = telem->toBasetype()->nextOf(); | |
| 3134 } | |
| 3135 | |
| 3136 e = e->implicitCastTo(sc, telem); | |
| 3137 | |
| 3138 elements->data[i] = (void *)e; | |
| 3139 } | |
| 3140 | |
| 3141 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 3142 */ | |
| 3143 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 3144 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3145 VarDeclaration *v = s->isVarDeclaration(); | |
| 3146 assert(v); | |
| 3147 | |
| 3148 if (v->offset < offset) | |
| 3149 { e = NULL; | |
| 3150 sd->hasUnions = 1; | |
| 3151 } | |
| 3152 else | |
| 3153 { | |
| 3154 if (v->init) | |
| 3155 { e = v->init->toExpression(); | |
| 3156 if (!e) | |
| 3157 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3158 } | |
| 3159 else | |
| 3160 { e = v->type->defaultInit(); | |
| 3161 e->loc = loc; | |
| 3162 } | |
| 3163 offset = v->offset + v->type->size(); | |
| 3164 } | |
| 3165 elements->push(e); | |
| 3166 } | |
| 3167 | |
| 3168 type = sd->type; | |
| 3169 return this; | |
| 3170 } | |
| 3171 | |
| 3172 /************************************** | |
| 3173 * Gets expression at offset of type. | |
| 3174 * Returns NULL if not found. | |
| 3175 */ | |
| 3176 | |
| 3177 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
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6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3178 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3179 //printf("StructLiteralExp::getField(this = %s, type = %s, offset = %u)\n", |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3180 // /*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
|
3181 Expression *e = NULL; |
| 159 | 3182 int i = getFieldIndex(type, offset); |
| 3183 | |
| 3184 if (i != -1) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3185 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3186 //printf("\ti = %d\n", i); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3187 assert(i < elements->dim); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3188 e = (Expression *)elements->data[i]; |
| 159 | 3189 if (e) |
| 3190 { | |
| 3191 e = e->copy(); | |
| 3192 e->type = type; | |
| 3193 } | |
| 3194 } | |
| 3195 return e; | |
| 3196 } | |
| 3197 | |
| 3198 /************************************ | |
| 3199 * Get index of field. | |
| 3200 * Returns -1 if not found. | |
| 3201 */ | |
| 3202 | |
| 3203 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3204 { | |
| 3205 /* Find which field offset is by looking at the field offsets | |
| 3206 */ | |
| 3207 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3208 { | |
| 3209 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3210 VarDeclaration *v = s->isVarDeclaration(); | |
| 3211 assert(v); | |
| 3212 | |
| 3213 if (offset == v->offset && | |
| 3214 type->size() == v->type->size()) | |
| 3215 { Expression *e = (Expression *)elements->data[i]; | |
| 3216 if (e) | |
| 3217 { | |
| 3218 return i; | |
| 3219 } | |
| 3220 break; | |
| 3221 } | |
| 3222 } | |
| 3223 return -1; | |
| 3224 } | |
| 3225 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3226 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3227 int StructLiteralExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3228 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3229 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3230 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3231 #endif |
| 159 | 3232 |
| 3233 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3234 { | |
| 3235 return this; | |
| 3236 } | |
| 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
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
3254 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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 { |
|
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
|
3646 // Prepend the size_t size argument to newargs[] |
|
ea82e2077f9d
Change custom allocator new size argument to size_t instead of uint. See #175.
Christian Kamm <kamm incasoftware de>
parents:
876
diff
changeset
|
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 } | |
|
875
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parents:
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diff
changeset
|
3953 /* Fix for 1161 doesn't work because it causes protection |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3954 * problems when instantiating imported templates passing private |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3955 * variables as alias template parameters. |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3956 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
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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diff
changeset
|
3972 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3973 if (sc->func && sc->func->isPure() && !sc->intypeof) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3974 { |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
3975 if (v->isDataseg() && !v->isInvariant()) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
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
changeset
|
3977 } |
|
330f999ade44
Merged DMD 1.038
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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 | |
|
875
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Merged DMD 1.038
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846
diff
changeset
|
4017 #if DMDV2 |
|
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Merged DMD 1.038
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diff
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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
changeset
|
4020 if (var->storage_class & STClazy) |
|
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Merged DMD 1.038
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parents:
846
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 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
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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diff
changeset
|
4095 /******************************** OverExp **************************/ |
|
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Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
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 ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
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:
486
diff
changeset
|
4099 : Expression(loc, TOKoverloadset, sizeof(OverExp)) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4100 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
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>
parents:
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diff
changeset
|
4102 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
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diff
changeset
|
4103 type = Type::tvoid; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4104 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4105 |
|
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 ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
4107 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4108 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 ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4240 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4241 int TupleExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4242 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4243 return arrayExpressionCanThrow(exps); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4244 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4245 #endif |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
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 { | |
| 4315 buf->writestring(fd->toChars()); | |
| 4316 } | |
| 4317 | |
| 4318 | |
| 4319 /******************************** DeclarationExp **************************/ | |
| 4320 | |
| 4321 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4322 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4323 { | |
| 4324 this->declaration = declaration; | |
| 4325 } | |
| 4326 | |
| 4327 Expression *DeclarationExp::syntaxCopy() | |
| 4328 { | |
| 4329 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4330 } | |
| 4331 | |
| 4332 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4333 { | |
| 4334 if (type) | |
| 4335 return this; | |
| 4336 | |
| 4337 #if LOGSEMANTIC | |
| 4338 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4339 #endif | |
| 4340 | |
| 4341 /* This is here to support extern(linkage) declaration, | |
| 4342 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4343 * wrapper. | |
| 4344 */ | |
| 4345 Dsymbol *s = declaration; | |
| 4346 | |
| 4347 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4348 if (ad) | |
| 4349 { | |
| 4350 if (ad->decl && ad->decl->dim == 1) | |
| 4351 s = (Dsymbol *)ad->decl->data[0]; | |
| 4352 } | |
| 4353 | |
| 4354 if (s->isVarDeclaration()) | |
| 4355 { // Do semantic() on initializer first, so: | |
| 4356 // int a = a; | |
| 4357 // will be illegal. | |
| 4358 declaration->semantic(sc); | |
| 4359 s->parent = sc->parent; | |
| 4360 } | |
| 4361 | |
| 4362 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4363 // Insert into both local scope and function scope. | |
| 4364 // Must be unique in both. | |
| 4365 if (s->ident) | |
| 4366 { | |
| 4367 if (!sc->insert(s)) | |
| 4368 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4369 else if (sc->func) | |
| 4370 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4371 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4372 !sc->func->localsymtab->insert(s)) | |
| 4373 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4374 else if (!global.params.useDeprecated) | |
| 4375 { // Disallow shadowing | |
| 4376 | |
| 4377 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4378 { Dsymbol *s2; | |
| 4379 | |
| 4380 if (scx->scopesym && scx->scopesym->symtab && | |
| 4381 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4382 s != s2) | |
| 4383 { | |
| 4384 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4385 } | |
| 4386 } | |
| 4387 } | |
| 4388 } | |
| 4389 } | |
| 4390 if (!s->isVarDeclaration()) | |
| 4391 { | |
| 4392 declaration->semantic(sc); | |
| 4393 s->parent = sc->parent; | |
| 4394 } | |
| 4395 if (!global.errors) | |
| 4396 { | |
| 4397 declaration->semantic2(sc); | |
| 4398 if (!global.errors) | |
| 4399 { | |
| 4400 declaration->semantic3(sc); | |
| 4401 | |
| 4402 if (!global.errors && global.params.useInline) | |
| 4403 declaration->inlineScan(); | |
| 4404 } | |
| 4405 } | |
| 4406 | |
| 4407 type = Type::tvoid; | |
| 4408 return this; | |
| 4409 } | |
| 4410 | |
| 4411 int DeclarationExp::checkSideEffect(int flag) | |
| 4412 { | |
| 4413 return 1; | |
| 4414 } | |
| 4415 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4416 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4417 int DeclarationExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4418 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4419 VarDeclaration *v = declaration->isVarDeclaration(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4420 if (v && v->init) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4421 { ExpInitializer *ie = v->init->isExpInitializer(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4422 return ie && ie->exp->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4423 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4424 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4425 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4426 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4427 |
| 159 | 4428 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4429 { | |
| 4430 declaration->toCBuffer(buf, hgs); | |
| 4431 } | |
| 4432 | |
| 4433 | |
| 4434 /************************ TypeidExp ************************************/ | |
| 4435 | |
| 4436 /* | |
| 4437 * typeid(int) | |
| 4438 */ | |
| 4439 | |
| 4440 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4441 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4442 { | |
| 4443 this->typeidType = typeidType; | |
| 4444 } | |
| 4445 | |
| 4446 | |
| 4447 Expression *TypeidExp::syntaxCopy() | |
| 4448 { | |
| 4449 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4450 } | |
| 4451 | |
| 4452 | |
| 4453 Expression *TypeidExp::semantic(Scope *sc) | |
| 4454 { Expression *e; | |
| 4455 | |
| 4456 #if LOGSEMANTIC | |
| 4457 printf("TypeidExp::semantic()\n"); | |
| 4458 #endif | |
| 4459 typeidType = typeidType->semantic(loc, sc); | |
| 4460 e = typeidType->getTypeInfo(sc); | |
| 336 | 4461 if (e->loc.linnum == 0) |
| 4462 e->loc = loc; // so there's at least some line number info | |
| 159 | 4463 return e; |
| 4464 } | |
| 4465 | |
| 4466 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4467 { | |
| 4468 buf->writestring("typeid("); | |
| 4469 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4470 buf->writeByte(')'); | |
| 4471 } | |
| 4472 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4473 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4474 #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
|
4475 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4476 * __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
|
4477 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4478 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4479 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
|
4480 : 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
|
4481 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4482 this->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
|
4483 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
|
4484 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4485 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4486 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4487 Expression *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
|
4488 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4489 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
|
4490 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4491 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4492 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4493 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
|
4494 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4495 buf->writestring("__traits("); |
|
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(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
|
4497 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
|
4498 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4499 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
|
4500 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4501 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
|
4502 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
|
4503 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
|
4504 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4505 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4506 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
|
4507 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4508 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4509 |
| 159 | 4510 /************************************************************/ |
| 4511 | |
| 4512 HaltExp::HaltExp(Loc loc) | |
| 4513 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4514 { | |
| 4515 } | |
| 4516 | |
| 4517 Expression *HaltExp::semantic(Scope *sc) | |
| 4518 { | |
| 4519 #if LOGSEMANTIC | |
| 4520 printf("HaltExp::semantic()\n"); | |
| 4521 #endif | |
| 4522 type = Type::tvoid; | |
| 4523 return this; | |
| 4524 } | |
| 4525 | |
| 4526 int HaltExp::checkSideEffect(int flag) | |
| 4527 { | |
| 4528 return 1; | |
| 4529 } | |
| 4530 | |
| 4531 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4532 { | |
| 4533 buf->writestring("halt"); | |
| 4534 } | |
| 4535 | |
| 4536 /************************************************************/ | |
| 4537 | |
| 4538 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4539 Type *tspec, enum TOK tok2) | |
| 4540 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4541 { | |
| 4542 this->targ = targ; | |
| 4543 this->id = id; | |
| 4544 this->tok = tok; | |
| 4545 this->tspec = tspec; | |
| 4546 this->tok2 = tok2; | |
| 4547 } | |
| 4548 | |
| 4549 Expression *IsExp::syntaxCopy() | |
| 4550 { | |
| 4551 return new IsExp(loc, | |
| 4552 targ->syntaxCopy(), | |
| 4553 id, | |
| 4554 tok, | |
| 4555 tspec ? tspec->syntaxCopy() : NULL, | |
| 4556 tok2); | |
| 4557 } | |
| 4558 | |
| 4559 Expression *IsExp::semantic(Scope *sc) | |
| 4560 { Type *tded; | |
| 4561 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4562 /* is(targ id 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
|
4563 * 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
|
4564 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4565 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4566 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4567 if (id && !(sc->flags & SCOPEstaticif)) |
| 4568 error("can only declare type aliases within static if conditionals"); | |
| 4569 | |
| 4570 unsigned errors_save = global.errors; | |
| 4571 global.errors = 0; | |
| 4572 global.gag++; // suppress printing of error messages | |
| 4573 targ = targ->semantic(loc, sc); | |
| 4574 global.gag--; | |
| 4575 unsigned gerrors = global.errors; | |
| 4576 global.errors = errors_save; | |
| 4577 | |
| 4578 if (gerrors) // if any errors happened | |
| 4579 { // then condition is false | |
| 4580 goto Lno; | |
| 4581 } | |
| 4582 else if (tok2 != TOKreserved) | |
| 4583 { | |
| 4584 switch (tok2) | |
| 4585 { | |
| 4586 case TOKtypedef: | |
| 4587 if (targ->ty != Ttypedef) | |
| 4588 goto Lno; | |
| 4589 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4590 break; | |
| 4591 | |
| 4592 case TOKstruct: | |
| 4593 if (targ->ty != Tstruct) | |
| 4594 goto Lno; | |
| 4595 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4596 goto Lno; | |
| 4597 tded = targ; | |
| 4598 break; | |
| 4599 | |
| 4600 case TOKunion: | |
| 4601 if (targ->ty != Tstruct) | |
| 4602 goto Lno; | |
| 4603 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4604 goto Lno; | |
| 4605 tded = targ; | |
| 4606 break; | |
| 4607 | |
| 4608 case TOKclass: | |
| 4609 if (targ->ty != Tclass) | |
| 4610 goto Lno; | |
| 4611 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4612 goto Lno; | |
| 4613 tded = targ; | |
| 4614 break; | |
| 4615 | |
| 4616 case TOKinterface: | |
| 4617 if (targ->ty != Tclass) | |
| 4618 goto Lno; | |
| 4619 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4620 goto Lno; | |
| 4621 tded = targ; | |
| 4622 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
|
4623 #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
|
4624 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
|
4625 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
|
4626 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
|
4627 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
|
4628 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4629 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4630 case TOKinvariant: |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4631 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
|
4632 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
|
4633 goto Lno; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4634 tded = targ; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4635 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4636 #endif |
| 159 | 4637 |
| 4638 case TOKsuper: | |
| 4639 // If class or interface, get the base class and interfaces | |
| 4640 if (targ->ty != Tclass) | |
| 4641 goto Lno; | |
| 4642 else | |
| 4643 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4644 Arguments *args = new Arguments; | |
| 4645 args->reserve(cd->baseclasses.dim); | |
| 4646 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4647 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4648 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4649 } | |
| 4650 tded = new TypeTuple(args); | |
| 4651 } | |
| 4652 break; | |
| 4653 | |
| 4654 case TOKenum: | |
| 4655 if (targ->ty != Tenum) | |
| 4656 goto Lno; | |
| 4657 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4658 break; | |
| 4659 | |
| 4660 case TOKdelegate: | |
| 4661 if (targ->ty != Tdelegate) | |
| 4662 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
|
4663 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4664 break; |
| 4665 | |
| 4666 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
|
4667 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4668 if (targ->ty != Tfunction) |
| 159 | 4669 goto Lno; |
| 4670 tded = targ; | |
| 4671 | |
| 4672 /* Generate tuple from function parameter types. | |
| 4673 */ | |
| 4674 assert(tded->ty == Tfunction); | |
| 4675 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4676 size_t dim = Argument::dim(params); | |
| 4677 Arguments *args = new Arguments; | |
| 4678 args->reserve(dim); | |
| 4679 for (size_t i = 0; i < dim; i++) | |
| 4680 { Argument *arg = Argument::getNth(params, i); | |
| 4681 assert(arg && arg->type); | |
| 4682 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4683 } | |
| 4684 tded = new TypeTuple(args); | |
| 4685 break; | |
| 4686 } | |
| 4687 case TOKreturn: | |
| 4688 /* Get the 'return type' for the function, | |
| 4689 * delegate, or pointer to function. | |
| 4690 */ | |
| 4691 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
|
4692 tded = ((TypeFunction *)targ)->next; |
| 159 | 4693 else if (targ->ty == Tdelegate) |
| 4694 tded = targ->next->next; | |
| 4695 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4696 tded = targ->next->next; | |
| 4697 else | |
| 4698 goto Lno; | |
| 4699 break; | |
| 4700 | |
| 4701 default: | |
| 4702 assert(0); | |
| 4703 } | |
| 4704 goto Lyes; | |
| 4705 } | |
| 4706 else if (id && tspec) | |
| 4707 { | |
| 4708 /* Evaluate to TRUE if targ matches tspec. | |
| 4709 * If TRUE, declare id as an alias for the specialized type. | |
| 4710 */ | |
| 4711 | |
| 4712 MATCH m; | |
| 4713 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4714 | |
| 4715 TemplateParameters parameters; | |
| 4716 parameters.setDim(1); | |
| 4717 parameters.data[0] = (void *)&tp; | |
| 4718 | |
| 4719 Objects dedtypes; | |
| 4720 dedtypes.setDim(1); | |
| 4721 dedtypes.data[0] = NULL; | |
| 4722 | |
| 4723 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4724 if (m == MATCHnomatch || | |
| 4725 (m != MATCHexact && tok == TOKequal)) | |
| 4726 goto Lno; | |
| 4727 else | |
| 4728 { | |
| 4729 assert(dedtypes.dim == 1); | |
| 4730 tded = (Type *)dedtypes.data[0]; | |
| 4731 if (!tded) | |
| 4732 tded = targ; | |
| 4733 goto Lyes; | |
| 4734 } | |
| 4735 } | |
| 4736 else if (id) | |
| 4737 { | |
| 4738 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4739 */ | |
| 4740 tded = targ; | |
| 4741 goto Lyes; | |
| 4742 } | |
| 4743 else if (tspec) | |
| 4744 { | |
| 4745 /* Evaluate to TRUE if targ matches tspec | |
| 4746 */ | |
| 4747 tspec = tspec->semantic(loc, sc); | |
| 4748 //printf("targ = %s\n", targ->toChars()); | |
| 4749 //printf("tspec = %s\n", tspec->toChars()); | |
| 4750 if (tok == TOKcolon) | |
| 4751 { if (targ->implicitConvTo(tspec)) | |
| 4752 goto Lyes; | |
| 4753 else | |
| 4754 goto Lno; | |
| 4755 } | |
| 4756 else /* == */ | |
| 4757 { if (targ->equals(tspec)) | |
| 4758 goto Lyes; | |
| 4759 else | |
| 4760 goto Lno; | |
| 4761 } | |
| 4762 } | |
| 4763 | |
| 4764 Lyes: | |
| 4765 if (id) | |
| 4766 { | |
| 4767 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4768 s->semantic(sc); | |
| 4769 sc->insert(s); | |
| 4770 if (sc->sd) | |
| 4771 s->addMember(sc, sc->sd, 1); | |
| 4772 } | |
| 4773 return new IntegerExp(1); | |
| 4774 | |
| 4775 Lno: | |
| 4776 return new IntegerExp(0); | |
| 4777 } | |
| 4778 | |
| 4779 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4780 { | |
| 4781 buf->writestring("is("); | |
| 4782 targ->toCBuffer(buf, id, hgs); | |
| 4783 if (tok2 != TOKreserved) | |
| 4784 { | |
| 4785 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4786 } | |
| 4787 else if (tspec) | |
| 4788 { | |
| 4789 if (tok == TOKcolon) | |
| 4790 buf->writestring(" : "); | |
| 4791 else | |
| 4792 buf->writestring(" == "); | |
| 4793 tspec->toCBuffer(buf, NULL, hgs); | |
| 4794 } | |
| 336 | 4795 #if DMDV2 |
| 159 | 4796 if (parameters) |
| 4797 { // First parameter is already output, so start with second | |
| 4798 for (int i = 1; i < parameters->dim; i++) | |
| 4799 { | |
| 4800 buf->writeByte(','); | |
| 4801 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4802 tp->toCBuffer(buf, hgs); | |
| 4803 } | |
| 4804 } | |
| 4805 #endif | |
| 4806 buf->writeByte(')'); | |
| 4807 } | |
| 4808 | |
| 4809 | |
| 4810 /************************************************************/ | |
| 4811 | |
| 4812 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4813 : Expression(loc, op, size) | |
| 4814 { | |
| 4815 this->e1 = e1; | |
| 4816 } | |
| 4817 | |
| 4818 Expression *UnaExp::syntaxCopy() | |
| 4819 { UnaExp *e; | |
| 4820 | |
| 4821 e = (UnaExp *)copy(); | |
| 4822 e->type = NULL; | |
| 4823 e->e1 = e->e1->syntaxCopy(); | |
| 4824 return e; | |
| 4825 } | |
| 4826 | |
| 4827 Expression *UnaExp::semantic(Scope *sc) | |
| 4828 { | |
| 4829 #if LOGSEMANTIC | |
| 4830 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4831 #endif | |
| 4832 e1 = e1->semantic(sc); | |
| 4833 // if (!e1->type) | |
| 4834 // error("%s has no value", e1->toChars()); | |
| 4835 return this; | |
| 4836 } | |
| 4837 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4838 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4839 int UnaExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4840 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4841 return e1->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4842 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4843 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
4844 |
| 159 | 4845 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 4846 { | |
| 4847 buf->writestring(Token::toChars(op)); | |
| 4848 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4849 } | |
| 4850 | |
| 4851 /************************************************************/ | |
| 4852 | |
| 4853 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4854 : Expression(loc, op, size) | |
| 4855 { | |
| 4856 this->e1 = e1; | |
| 4857 this->e2 = e2; | |
| 4858 } | |
| 4859 | |
| 4860 Expression *BinExp::syntaxCopy() | |
| 4861 { BinExp *e; | |
| 4862 | |
| 4863 e = (BinExp *)copy(); | |
| 4864 e->type = NULL; | |
| 4865 e->e1 = e->e1->syntaxCopy(); | |
| 4866 e->e2 = e->e2->syntaxCopy(); | |
| 4867 return e; | |
| 4868 } | |
| 4869 | |
| 4870 Expression *BinExp::semantic(Scope *sc) | |
| 4871 { | |
| 4872 #if LOGSEMANTIC | |
| 4873 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4874 #endif | |
| 4875 e1 = e1->semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4876 if (!e1->type && |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4877 !(op == TOKassign && e1->op == TOKdottd)) // a.template = e2 |
| 159 | 4878 { |
| 4879 error("%s has no value", e1->toChars()); | |
| 4880 e1->type = Type::terror; | |
| 4881 } | |
| 4882 e2 = e2->semantic(sc); | |
| 4883 if (!e2->type) | |
| 4884 { | |
| 4885 error("%s has no value", e2->toChars()); | |
| 4886 e2->type = Type::terror; | |
| 4887 } | |
| 4888 return this; | |
| 4889 } | |
| 4890 | |
| 4891 Expression *BinExp::semanticp(Scope *sc) | |
| 4892 { | |
| 4893 BinExp::semantic(sc); | |
| 4894 e1 = resolveProperties(sc, e1); | |
| 4895 e2 = resolveProperties(sc, e2); | |
| 4896 return this; | |
| 4897 } | |
| 4898 | |
| 4899 /*************************** | |
| 4900 * Common semantic routine for some xxxAssignExp's. | |
| 4901 */ | |
| 4902 | |
| 4903 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4904 { Expression *e; | |
| 4905 | |
| 4906 if (!type) | |
| 4907 { | |
| 4908 BinExp::semantic(sc); | |
| 4909 e2 = resolveProperties(sc, e2); | |
| 4910 | |
| 4911 e = op_overload(sc); | |
| 4912 if (e) | |
| 4913 return e; | |
| 4914 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4915 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
|
4916 { // 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
|
4917 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
|
4918 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
|
4919 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
|
4920 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4921 |
| 159 | 4922 e1 = e1->modifiableLvalue(sc, e1); |
| 4923 e1->checkScalar(); | |
| 4924 type = e1->type; | |
| 4925 if (type->toBasetype()->ty == Tbool) | |
| 4926 { | |
| 4927 error("operator not allowed on bool expression %s", toChars()); | |
| 4928 } | |
| 4929 typeCombine(sc); | |
| 4930 e1->checkArithmetic(); | |
| 4931 e2->checkArithmetic(); | |
| 4932 | |
| 4933 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4934 { error("cannot perform modulo complex arithmetic"); | |
| 4935 return new IntegerExp(0); | |
| 4936 } | |
| 4937 } | |
| 4938 return this; | |
| 4939 } | |
| 4940 | |
| 4941 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4942 { Expression *e; | |
| 4943 | |
| 4944 if (!type) | |
| 4945 { | |
| 4946 BinExp::semantic(sc); | |
| 4947 e2 = resolveProperties(sc, e2); | |
| 4948 | |
| 4949 e = op_overload(sc); | |
| 4950 if (e) | |
| 4951 return e; | |
| 4952 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4953 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
|
4954 { // 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
|
4955 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
|
4956 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
|
4957 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
|
4958 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4959 |
| 159 | 4960 e1 = e1->modifiableLvalue(sc, e1); |
| 4961 e1->checkScalar(); | |
| 4962 type = e1->type; | |
| 4963 if (type->toBasetype()->ty == Tbool) | |
| 4964 { | |
| 4965 e2 = e2->implicitCastTo(sc, type); | |
| 4966 } | |
| 4967 | |
| 4968 typeCombine(sc); | |
| 4969 e1->checkIntegral(); | |
| 4970 e2->checkIntegral(); | |
| 4971 } | |
| 4972 return this; | |
| 4973 } | |
| 4974 | |
| 4975 int BinExp::checkSideEffect(int flag) | |
| 4976 { | |
| 4977 if (op == TOKplusplus || | |
| 4978 op == TOKminusminus || | |
| 4979 op == TOKassign || | |
| 4980 op == TOKconstruct || | |
| 4981 op == TOKblit || | |
| 4982 op == TOKaddass || | |
| 4983 op == TOKminass || | |
| 4984 op == TOKcatass || | |
| 4985 op == TOKmulass || | |
| 4986 op == TOKdivass || | |
| 4987 op == TOKmodass || | |
| 4988 op == TOKshlass || | |
| 4989 op == TOKshrass || | |
| 4990 op == TOKushrass || | |
| 4991 op == TOKandass || | |
| 4992 op == TOKorass || | |
| 4993 op == TOKxorass || | |
| 4994 op == TOKin || | |
| 4995 op == TOKremove) | |
| 4996 return 1; | |
| 4997 return Expression::checkSideEffect(flag); | |
| 4998 } | |
| 4999 | |
| 5000 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5001 { | |
| 5002 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 5003 buf->writeByte(' '); | |
| 5004 buf->writestring(Token::toChars(op)); | |
| 5005 buf->writeByte(' '); | |
| 5006 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 5007 } | |
| 5008 | |
| 5009 int BinExp::isunsigned() | |
| 5010 { | |
| 5011 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 5012 } | |
| 5013 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5014 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5015 int BinExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5016 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5017 return e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5018 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5019 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5020 |
| 159 | 5021 void BinExp::incompatibleTypes() |
| 5022 { | |
| 5023 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 5024 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 5025 e1->type->toChars(), e2->type->toChars()); | |
| 5026 } | |
| 5027 | |
| 5028 /************************************************************/ | |
| 5029 | |
| 5030 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 5031 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 5032 { | |
| 5033 } | |
| 5034 | |
| 5035 Expression *CompileExp::semantic(Scope *sc) | |
| 5036 { | |
| 5037 #if LOGSEMANTIC | |
| 5038 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 5039 #endif | |
| 5040 UnaExp::semantic(sc); | |
| 5041 e1 = resolveProperties(sc, e1); | |
| 5042 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 5043 if (e1->op != TOKstring) | |
| 5044 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 5045 type = Type::terror; | |
| 5046 return this; | |
| 5047 } | |
| 5048 StringExp *se = (StringExp *)e1; | |
| 5049 se = se->toUTF8(sc); | |
| 5050 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 5051 p.loc = loc; | |
| 5052 p.nextToken(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5053 //printf("p.loc.linnum = %d\n", p.loc.linnum); |
| 159 | 5054 Expression *e = p.parseExpression(); |
| 5055 if (p.token.value != TOKeof) | |
| 5056 error("incomplete mixin expression (%s)", se->toChars()); | |
| 5057 return e->semantic(sc); | |
| 5058 } | |
| 5059 | |
| 5060 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5061 { | |
| 5062 buf->writestring("mixin("); | |
| 5063 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5064 buf->writeByte(')'); | |
| 5065 } | |
| 5066 | |
| 5067 /************************************************************/ | |
| 5068 | |
| 5069 FileExp::FileExp(Loc loc, Expression *e) | |
| 5070 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 5071 { | |
| 5072 } | |
| 5073 | |
| 5074 Expression *FileExp::semantic(Scope *sc) | |
| 5075 { char *name; | |
| 5076 StringExp *se; | |
| 5077 | |
| 5078 #if LOGSEMANTIC | |
| 5079 printf("FileExp::semantic('%s')\n", toChars()); | |
| 5080 #endif | |
| 5081 UnaExp::semantic(sc); | |
| 5082 e1 = resolveProperties(sc, e1); | |
| 5083 e1 = e1->optimize(WANTvalue); | |
| 5084 if (e1->op != TOKstring) | |
| 5085 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 5086 goto Lerror; | |
| 5087 } | |
| 5088 se = (StringExp *)e1; | |
| 5089 se = se->toUTF8(sc); | |
| 5090 name = (char *)se->string; | |
| 5091 | |
| 5092 if (!global.params.fileImppath) | |
| 5093 { error("need -Jpath switch to import text file %s", name); | |
| 5094 goto Lerror; | |
| 5095 } | |
| 5096 | |
| 5097 if (name != FileName::name(name)) | |
| 5098 { error("use -Jpath switch to provide path for filename %s", name); | |
| 5099 goto Lerror; | |
| 5100 } | |
| 5101 | |
| 5102 name = FileName::searchPath(global.filePath, name, 0); | |
| 5103 if (!name) | |
| 5104 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 5105 goto Lerror; | |
| 5106 } | |
| 5107 | |
| 5108 if (global.params.verbose) | |
|
794
661384d6a936
Fix warnings on x86-64. By fvbommel.
Christian Kamm <kamm incasoftware de>
parents:
779
diff
changeset
|
5109 printf("file %s\t(%s)\n", (char*)se->string, name); |
| 159 | 5110 |
| 5111 { File f(name); | |
| 5112 if (f.read()) | |
| 5113 { error("cannot read file %s", f.toChars()); | |
| 5114 goto Lerror; | |
| 5115 } | |
| 5116 else | |
| 5117 { | |
| 5118 f.ref = 1; | |
| 5119 se = new StringExp(loc, f.buffer, f.len); | |
| 5120 } | |
| 5121 } | |
| 5122 Lret: | |
| 5123 return se->semantic(sc); | |
| 5124 | |
| 5125 Lerror: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5126 se = new StringExp(loc, (char *)""); |
| 159 | 5127 goto Lret; |
| 5128 } | |
| 5129 | |
| 5130 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5131 { | |
| 5132 buf->writestring("import("); | |
| 5133 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5134 buf->writeByte(')'); | |
| 5135 } | |
| 5136 | |
| 5137 /************************************************************/ | |
| 5138 | |
| 5139 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 5140 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 5141 { | |
| 5142 this->msg = msg; | |
| 5143 } | |
| 5144 | |
| 5145 Expression *AssertExp::syntaxCopy() | |
| 5146 { | |
| 5147 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 5148 msg ? msg->syntaxCopy() : NULL); | |
| 5149 return ae; | |
| 5150 } | |
| 5151 | |
| 5152 Expression *AssertExp::semantic(Scope *sc) | |
| 5153 { | |
| 5154 #if LOGSEMANTIC | |
| 5155 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 5156 #endif | |
| 5157 UnaExp::semantic(sc); | |
| 5158 e1 = resolveProperties(sc, e1); | |
| 5159 // BUG: see if we can do compile time elimination of the Assert | |
| 5160 e1 = e1->optimize(WANTvalue); | |
| 5161 e1 = e1->checkToBoolean(); | |
| 5162 if (msg) | |
| 5163 { | |
| 5164 msg = msg->semantic(sc); | |
| 5165 msg = resolveProperties(sc, msg); | |
| 5166 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 5167 msg = msg->optimize(WANTvalue); | |
| 5168 } | |
| 5169 if (e1->isBool(FALSE)) | |
| 5170 { | |
| 5171 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 5172 fd->hasReturnExp |= 4; | |
| 5173 | |
| 5174 if (!global.params.useAssert) | |
| 5175 { Expression *e = new HaltExp(loc); | |
| 5176 e = e->semantic(sc); | |
| 5177 return e; | |
| 5178 } | |
| 5179 } | |
| 5180 type = Type::tvoid; | |
| 5181 return this; | |
| 5182 } | |
| 5183 | |
| 5184 int AssertExp::checkSideEffect(int flag) | |
| 5185 { | |
| 5186 return 1; | |
| 5187 } | |
| 5188 | |
|
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Merged DMD 1.038
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diff
changeset
|
5189 #if DMDV2 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5190 int AssertExp::canThrow() |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5191 { |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5192 return (global.params.useAssert != 0); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5193 } |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5194 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
5195 |
| 159 | 5196 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 5197 { | |
| 5198 buf->writestring("assert("); | |
| 5199 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 5200 if (msg) | |
| 5201 { | |
| 5202 buf->writeByte(','); | |
| 5203 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 5204 } | |
| 5205 buf->writeByte(')'); | |
| 5206 } | |
| 5207 | |
| 5208 /************************************************************/ | |
| 5209 | |
| 5210 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 5211 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 5212 { | |
| 5213 this->ident = ident; | |
| 5214 } | |
| 5215 | |
| 5216 Expression *DotIdExp::semantic(Scope *sc) | |
| 5217 { Expression *e; | |
| 5218 Expression *eleft; | |
| 5219 Expression *eright; | |
| 5220 | |
| 5221 #if LOGSEMANTIC | |
| 5222 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 5223 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 5224 #endif | |
| 5225 | |
| 5226 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 5227 | |
| 5228 #if 0 | |
| 5229 /* Don't do semantic analysis if we'll be converting | |
| 5230 * it to a string. | |
| 5231 */ | |
| 5232 if (ident == Id::stringof) | |
| 5233 { char *s = e1->toChars(); | |
| 5234 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5235 e = e->semantic(sc); | |
| 5236 return e; | |
| 5237 } | |
| 5238 #endif | |
| 5239 | |
| 5240 /* Special case: rewrite this.id and super.id | |
| 5241 * to be classtype.id and baseclasstype.id | |
| 5242 * if we have no this pointer. | |
| 5243 */ | |
| 5244 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 5245 { ClassDeclaration *cd; | |
| 5246 StructDeclaration *sd; | |
| 5247 AggregateDeclaration *ad; | |
| 5248 | |
| 5249 ad = sc->getStructClassScope(); | |
| 5250 if (ad) | |
| 5251 { | |
| 5252 cd = ad->isClassDeclaration(); | |
| 5253 if (cd) | |
| 5254 { | |
| 5255 if (e1->op == TOKthis) | |
| 5256 { | |
| 5257 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 5258 return e->semantic(sc); | |
| 5259 } | |
| 5260 else if (cd->baseClass && e1->op == TOKsuper) | |
| 5261 { | |
| 5262 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 5263 return e->semantic(sc); | |
| 5264 } | |
| 5265 } | |
| 5266 else | |
| 5267 { | |
| 5268 sd = ad->isStructDeclaration(); | |
| 5269 if (sd) | |
| 5270 { | |
| 5271 if (e1->op == TOKthis) | |
| 5272 { | |
| 5273 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5274 return e->semantic(sc); | |
| 5275 } | |
| 5276 } | |
| 5277 } | |
| 5278 } | |
| 5279 } | |
| 5280 | |
| 5281 UnaExp::semantic(sc); | |
| 5282 | |
| 5283 if (e1->op == TOKdotexp) | |
| 5284 { | |
| 5285 DotExp *de = (DotExp *)e1; | |
| 5286 eleft = de->e1; | |
| 5287 eright = de->e2; | |
| 5288 } | |
| 5289 else | |
| 5290 { | |
| 5291 e1 = resolveProperties(sc, e1); | |
| 5292 eleft = NULL; | |
| 5293 eright = e1; | |
| 5294 } | |
|
510
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diff
changeset
|
5295 #if DMDV2 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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diff
changeset
|
5296 if (e1->op == TOKtuple && ident == Id::offsetof) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5297 { /* '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
|
5298 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
5299 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
|
5300 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
|
5301 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
|
5302 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
|
5303 { 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
|
5304 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
|
5305 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
|
5306 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
|
5307 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5308 e = 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
|
5309 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
|
5310 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
|
5311 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5312 #endif |
| 159 | 5313 |
| 5314 if (e1->op == TOKtuple && ident == Id::length) | |
| 5315 { | |
| 5316 TupleExp *te = (TupleExp *)e1; | |
| 5317 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5318 return e; | |
| 5319 } | |
| 5320 | |
| 5321 if (eright->op == TOKimport) // also used for template alias's | |
| 5322 { | |
| 5323 ScopeExp *ie = (ScopeExp *)eright; | |
| 5324 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5325 /* 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
|
5326 * 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
|
5327 * 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
|
5328 */ |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
841
diff
changeset
|
5329 Dsymbol *s = ie->sds->search(loc, ident, |
|
bc982f1ad106
Merged DMD 1.037 frontend
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parents:
841
diff
changeset
|
5330 (ie->sds->isModule() && ie->sds != sc->module) ? 1 : 0); |
| 159 | 5331 if (s) |
| 5332 { | |
| 5333 s = s->toAlias(); | |
| 5334 checkDeprecated(sc, s); | |
| 5335 | |
| 5336 EnumMember *em = s->isEnumMember(); | |
| 5337 if (em) | |
| 5338 { | |
| 5339 e = em->value; | |
| 5340 e = e->semantic(sc); | |
| 5341 return e; | |
| 5342 } | |
| 5343 | |
| 5344 VarDeclaration *v = s->isVarDeclaration(); | |
| 5345 if (v) | |
| 5346 { | |
| 5347 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5348 if (v->inuse) | |
| 5349 { | |
| 5350 error("circular reference to '%s'", v->toChars()); | |
| 5351 type = Type::tint32; | |
| 5352 return this; | |
| 5353 } | |
| 5354 type = v->type; | |
| 5355 if (v->isConst()) | |
| 5356 { | |
| 5357 if (v->init) | |
| 5358 { | |
| 5359 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5360 if (ei) | |
| 5361 { | |
| 5362 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5363 //ei->exp = ei->exp->semantic(sc); | |
| 5364 if (ei->exp->type == type) | |
| 5365 { | |
| 5366 e = ei->exp->copy(); // make copy so we can change loc | |
| 5367 e->loc = loc; | |
| 5368 return e; | |
| 5369 } | |
| 5370 } | |
| 5371 } | |
| 5372 else if (type->isscalar()) | |
| 5373 { | |
| 5374 e = type->defaultInit(); | |
| 5375 e->loc = loc; | |
| 5376 return e; | |
| 5377 } | |
| 5378 } | |
| 5379 if (v->needThis()) | |
| 5380 { | |
| 5381 if (!eleft) | |
| 5382 eleft = new ThisExp(loc); | |
| 5383 e = new DotVarExp(loc, eleft, v); | |
| 5384 e = e->semantic(sc); | |
| 5385 } | |
| 5386 else | |
| 5387 { | |
| 5388 e = new VarExp(loc, v); | |
| 5389 if (eleft) | |
| 5390 { e = new CommaExp(loc, eleft, e); | |
| 5391 e->type = v->type; | |
| 5392 } | |
| 5393 } | |
| 5394 return e->deref(); | |
| 5395 } | |
| 5396 | |
| 5397 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5398 if (f) | |
| 5399 { | |
| 5400 //printf("it's a function\n"); | |
| 5401 if (f->needThis()) | |
| 5402 { | |
| 5403 if (!eleft) | |
| 5404 eleft = new ThisExp(loc); | |
| 5405 e = new DotVarExp(loc, eleft, f); | |
| 5406 e = e->semantic(sc); | |
| 5407 } | |
| 5408 else | |
| 5409 { | |
| 5410 e = new VarExp(loc, f); | |
| 5411 if (eleft) | |
| 5412 { e = new CommaExp(loc, eleft, e); | |
| 5413 e->type = f->type; | |
| 5414 } | |
| 5415 } | |
| 5416 return e; | |
| 5417 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5418 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5419 OverloadSet *o = s->isOverloadSet(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5420 if (o) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5421 { //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
|
5422 return new OverExp(o); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5423 } |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5424 #endif |
| 159 | 5425 |
| 5426 Type *t = s->getType(); | |
| 5427 if (t) | |
| 5428 { | |
| 5429 return new TypeExp(loc, t); | |
| 5430 } | |
| 5431 | |
| 336 | 5432 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5433 if (tup) | |
| 5434 { | |
| 5435 if (eleft) | |
| 5436 error("cannot have e.tuple"); | |
| 5437 e = new TupleExp(loc, tup); | |
| 5438 e = e->semantic(sc); | |
| 5439 return e; | |
| 5440 } | |
| 5441 | |
| 159 | 5442 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5443 if (sds) | |
| 5444 { | |
| 5445 //printf("it's a ScopeDsymbol\n"); | |
| 5446 e = new ScopeExp(loc, sds); | |
| 5447 e = e->semantic(sc); | |
| 5448 if (eleft) | |
| 5449 e = new DotExp(loc, eleft, e); | |
| 5450 return e; | |
| 5451 } | |
| 5452 | |
| 5453 Import *imp = s->isImport(); | |
| 5454 if (imp) | |
| 5455 { | |
| 5456 ScopeExp *ie; | |
| 5457 | |
| 5458 ie = new ScopeExp(loc, imp->pkg); | |
| 5459 return ie->semantic(sc); | |
| 5460 } | |
| 5461 | |
| 5462 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5463 #ifdef DEBUG | |
| 5464 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5465 #endif | |
| 5466 assert(0); | |
| 5467 } | |
| 5468 else if (ident == Id::stringof) | |
| 5469 { char *s = ie->toChars(); | |
| 5470 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5471 e = e->semantic(sc); | |
| 5472 return e; | |
| 5473 } | |
| 5474 error("undefined identifier %s", toChars()); | |
| 5475 type = Type::tvoid; | |
| 5476 return this; | |
| 5477 } | |
| 5478 else if (e1->type->ty == Tpointer && | |
| 5479 ident != Id::init && ident != Id::__sizeof && | |
| 5480 ident != Id::alignof && ident != Id::offsetof && | |
| 5481 ident != Id::mangleof && ident != Id::stringof) | |
| 5482 { | |
| 5483 e = new PtrExp(loc, e1); | |
|
510
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parents:
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diff
changeset
|
5484 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5485 return e->type->dotExp(sc, e, ident); |
| 5486 } | |
|
875
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5487 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5488 else if (t1b->ty == Tarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5489 t1b->ty == Tsarray || |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5490 t1b->ty == Taarray) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5491 { /* If ident is not a valid property, rewrite: |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5492 * e1.ident |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5493 * as: |
|
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Merged DMD 1.038
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diff
changeset
|
5494 * .ident(e1) |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5495 */ |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5496 unsigned errors = global.errors; |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
5497 global.gag++; |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5498 e = e1->type->dotExp(sc, e1, ident); |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
5499 global.gag--; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5500 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
|
5501 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5502 global.errors = errors; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5503 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
|
5504 e = new CallExp(loc, e, e1); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5505 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5506 e = e->semantic(sc); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5507 return e; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5508 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5509 #endif |
| 159 | 5510 else |
| 5511 { | |
| 5512 e = e1->type->dotExp(sc, e1, ident); | |
| 5513 e = e->semantic(sc); | |
| 5514 return e; | |
| 5515 } | |
| 5516 } | |
| 5517 | |
| 5518 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5519 { | |
| 5520 //printf("DotIdExp::toCBuffer()\n"); | |
| 5521 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5522 buf->writeByte('.'); | |
| 5523 buf->writestring(ident->toChars()); | |
| 5524 } | |
| 5525 | |
| 5526 /********************** DotTemplateExp ***********************************/ | |
| 5527 | |
| 5528 // Mainly just a placeholder | |
| 5529 | |
| 5530 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5531 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5532 | |
| 5533 { | |
| 5534 this->td = td; | |
| 5535 } | |
| 5536 | |
| 5537 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5538 { | |
| 5539 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5540 buf->writeByte('.'); | |
| 5541 buf->writestring(td->toChars()); | |
| 5542 } | |
| 5543 | |
| 5544 | |
| 5545 /************************************************************/ | |
| 5546 | |
| 5547 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5548 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5549 { | |
| 5550 //printf("DotVarExp()\n"); | |
| 5551 this->var = v; | |
| 5552 } | |
| 5553 | |
| 5554 Expression *DotVarExp::semantic(Scope *sc) | |
| 5555 { | |
| 5556 #if LOGSEMANTIC | |
| 5557 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5558 #endif | |
| 5559 if (!type) | |
| 5560 { | |
| 5561 var = var->toAlias()->isDeclaration(); | |
| 5562 | |
| 5563 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5564 if (tup) | |
| 5565 { /* Replace: | |
| 5566 * e1.tuple(a, b, c) | |
| 5567 * with: | |
| 5568 * tuple(e1.a, e1.b, e1.c) | |
| 5569 */ | |
| 5570 Expressions *exps = new Expressions; | |
| 5571 | |
| 5572 exps->reserve(tup->objects->dim); | |
| 5573 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5574 { Object *o = (Object *)tup->objects->data[i]; | |
| 5575 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5576 { | |
| 5577 error("%s is not an expression", o->toChars()); | |
| 5578 } | |
| 5579 else | |
| 5580 { | |
| 5581 Expression *e = (Expression *)o; | |
| 5582 if (e->op != TOKdsymbol) | |
| 5583 error("%s is not a member", e->toChars()); | |
| 5584 else | |
| 5585 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5586 | |
| 5587 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5588 exps->push(e); | |
| 5589 } | |
| 5590 } | |
| 5591 } | |
| 5592 Expression *e = new TupleExp(loc, exps); | |
| 5593 e = e->semantic(sc); | |
| 5594 return e; | |
| 5595 } | |
| 5596 | |
| 5597 e1 = e1->semantic(sc); | |
| 5598 type = var->type; | |
| 5599 if (!type && global.errors) | |
| 5600 { // var is goofed up, just return 0 | |
| 5601 return new IntegerExp(0); | |
| 5602 } | |
| 5603 assert(type); | |
| 5604 | |
| 5605 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5606 { | |
| 5607 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5608 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5609 if (!sc->noaccesscheck) | |
| 5610 accessCheck(loc, sc, e1, var); | |
| 5611 | |
| 5612 VarDeclaration *v = var->isVarDeclaration(); | |
| 5613 if (v && v->isConst()) | |
| 5614 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5615 if (ei) | |
| 5616 { Expression *e = ei->exp->copy(); | |
| 5617 e = e->semantic(sc); | |
| 5618 return e; | |
| 159 | 5619 } |
| 5620 } | |
| 5621 } | |
| 5622 } | |
| 5623 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5624 return this; | |
| 5625 } | |
| 5626 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5627 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5628 int DotVarExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5629 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5630 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5631 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5632 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5633 |
| 159 | 5634 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) |
| 5635 { | |
| 5636 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5637 return this; | |
| 5638 } | |
| 5639 | |
| 5640 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5641 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5642 #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
|
5643 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
|
5644 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
|
5645 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
|
5646 #endif |
| 159 | 5647 |
| 5648 if (var->isCtorinit()) | |
| 5649 { // It's only modifiable if inside the right constructor | |
| 5650 Dsymbol *s = sc->func; | |
| 5651 while (1) | |
| 5652 { | |
| 5653 FuncDeclaration *fd = NULL; | |
| 5654 if (s) | |
| 5655 fd = s->isFuncDeclaration(); | |
| 5656 if (fd && | |
| 5657 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5658 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5659 fd->toParent() == var->toParent() && | |
| 5660 e1->op == TOKthis | |
| 5661 ) | |
| 5662 { | |
| 5663 VarDeclaration *v = var->isVarDeclaration(); | |
| 5664 assert(v); | |
| 5665 v->ctorinit = 1; | |
| 5666 //printf("setting ctorinit\n"); | |
| 5667 } | |
| 5668 else | |
| 5669 { | |
| 5670 if (s) | |
| 5671 { s = s->toParent2(); | |
| 5672 continue; | |
| 5673 } | |
| 5674 else | |
| 5675 { | |
| 5676 const char *p = var->isStatic() ? "static " : ""; | |
| 5677 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5678 p, var->toChars(), p); | |
| 5679 } | |
| 5680 } | |
| 5681 break; | |
| 5682 } | |
| 5683 } | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5684 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5685 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5686 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5687 Type *t1 = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5688 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5689 if (!t1->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5690 (t1->ty == Tpointer && !t1->nextOf()->isMutable()) || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5691 !var->type->isMutable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5692 !var->type->isAssignable() || |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5693 var->storage_class & STCmanifest |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5694 ) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5695 error("cannot modify const/invariant %s", toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5696 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
5697 #endif |
| 159 | 5698 return this; |
| 5699 } | |
| 5700 | |
| 5701 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5702 { | |
| 5703 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5704 buf->writeByte('.'); | |
| 5705 buf->writestring(var->toChars()); | |
| 5706 } | |
| 5707 | |
| 5708 /************************************************************/ | |
| 5709 | |
| 5710 /* Things like: | |
| 5711 * foo.bar!(args) | |
| 5712 */ | |
| 5713 | |
| 5714 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5715 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5716 { | |
| 5717 //printf("DotTemplateInstanceExp()\n"); | |
| 5718 this->ti = ti; | |
| 5719 } | |
| 5720 | |
| 5721 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5722 { | |
| 5723 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5724 e1->syntaxCopy(), | |
| 5725 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5726 return de; | |
| 5727 } | |
| 5728 | |
| 5729 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5730 { Dsymbol *s; | |
| 5731 Dsymbol *s2; | |
| 5732 TemplateDeclaration *td; | |
| 5733 Expression *e; | |
| 5734 Identifier *id; | |
| 5735 Type *t1; | |
| 5736 Expression *eleft = NULL; | |
| 5737 Expression *eright; | |
| 5738 | |
| 5739 #if LOGSEMANTIC | |
| 5740 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5741 #endif | |
| 5742 //e1->print(); | |
| 5743 //print(); | |
| 5744 e1 = e1->semantic(sc); | |
| 5745 t1 = e1->type; | |
| 5746 if (t1) | |
| 5747 t1 = t1->toBasetype(); | |
| 5748 //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
|
5749 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5750 /* 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
|
5751 * 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
|
5752 * 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
|
5753 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5754 |
| 159 | 5755 if (e1->op == TOKdotexp) |
| 5756 { DotExp *de = (DotExp *)e1; | |
| 5757 eleft = de->e1; | |
| 5758 eright = de->e2; | |
| 5759 } | |
| 5760 else | |
| 5761 { eleft = NULL; | |
| 5762 eright = e1; | |
| 5763 } | |
| 5764 if (eright->op == TOKimport) | |
| 5765 { | |
| 5766 s = ((ScopeExp *)eright)->sds; | |
| 5767 } | |
| 5768 else if (e1->op == TOKtype) | |
| 5769 { | |
| 5770 s = t1->isClassHandle(); | |
| 5771 if (!s) | |
| 5772 { if (t1->ty == Tstruct) | |
| 5773 s = ((TypeStruct *)t1)->sym; | |
| 5774 else | |
| 5775 goto L1; | |
| 5776 } | |
| 5777 } | |
| 5778 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5779 { | |
| 5780 s = t1->toDsymbol(sc); | |
| 5781 eleft = e1; | |
| 5782 } | |
| 5783 else if (t1 && t1->ty == Tpointer) | |
| 5784 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5785 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5786 if (t1->ty != Tstruct) |
| 5787 goto L1; | |
| 5788 s = t1->toDsymbol(sc); | |
| 5789 eleft = e1; | |
| 5790 } | |
| 5791 else | |
| 5792 { | |
| 5793 L1: | |
| 5794 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5795 goto Lerr; | |
| 5796 } | |
| 5797 | |
| 5798 assert(s); | |
| 5799 id = ti->name; | |
| 5800 s2 = s->search(loc, id, 0); | |
| 5801 if (!s2) | |
| 5802 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5803 goto Lerr; | |
| 5804 } | |
| 5805 s = s2; | |
| 5806 s->semantic(sc); | |
| 5807 s = s->toAlias(); | |
| 5808 td = s->isTemplateDeclaration(); | |
| 5809 if (!td) | |
| 5810 { | |
| 5811 error("%s is not a template", id->toChars()); | |
| 5812 goto Lerr; | |
| 5813 } | |
| 5814 if (global.errors) | |
| 5815 goto Lerr; | |
| 5816 | |
| 5817 ti->tempdecl = td; | |
| 5818 | |
| 5819 if (eleft) | |
| 5820 { Declaration *v; | |
| 5821 | |
| 5822 ti->semantic(sc); | |
| 5823 s = ti->inst->toAlias(); | |
| 5824 v = s->isDeclaration(); | |
| 5825 if (v) | |
| 5826 { e = new DotVarExp(loc, eleft, v); | |
| 5827 e = e->semantic(sc); | |
| 5828 return e; | |
| 5829 } | |
| 5830 } | |
| 5831 | |
| 5832 e = new ScopeExp(loc, ti); | |
| 5833 if (eleft) | |
| 5834 { | |
| 5835 e = new DotExp(loc, eleft, e); | |
| 5836 } | |
| 5837 e = e->semantic(sc); | |
| 5838 return e; | |
| 5839 | |
| 5840 Lerr: | |
| 336 | 5841 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5842 } |
| 5843 | |
| 5844 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5845 { | |
| 5846 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5847 buf->writeByte('.'); | |
| 5848 ti->toCBuffer(buf, hgs); | |
| 5849 } | |
| 5850 | |
| 5851 /************************************************************/ | |
| 5852 | |
| 5853 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5854 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5855 { | |
| 5856 this->func = f; | |
| 5857 } | |
| 5858 | |
| 5859 Expression *DelegateExp::semantic(Scope *sc) | |
| 5860 { | |
| 5861 #if LOGSEMANTIC | |
| 5862 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5863 #endif | |
| 5864 if (!type) | |
| 5865 { | |
| 5866 e1 = e1->semantic(sc); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
5867 // 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
|
5868 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5869 type = type->semantic(loc, sc); |
| 5870 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5871 if (func->needThis()) |
| 5872 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5873 } |
| 5874 return this; | |
| 5875 } | |
| 5876 | |
| 5877 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5878 { | |
| 5879 buf->writeByte('&'); | |
| 5880 if (!func->isNested()) | |
| 5881 { | |
| 5882 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5883 buf->writeByte('.'); | |
| 5884 } | |
| 5885 buf->writestring(func->toChars()); | |
| 5886 } | |
| 5887 | |
| 5888 /************************************************************/ | |
| 5889 | |
| 5890 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5891 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5892 { | |
| 5893 this->sym = s; | |
| 5894 this->type = s->getType(); | |
| 5895 } | |
| 5896 | |
| 5897 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5898 { | |
| 5899 #if LOGSEMANTIC | |
| 5900 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5901 #endif | |
| 5902 UnaExp::semantic(sc); | |
| 5903 return this; | |
| 5904 } | |
| 5905 | |
| 5906 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5907 { | |
| 5908 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5909 buf->writeByte('.'); | |
| 5910 buf->writestring(sym->toChars()); | |
| 5911 } | |
| 5912 | |
| 5913 /************************************************************/ | |
| 5914 | |
| 5915 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5916 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5917 { | |
| 5918 this->arguments = exps; | |
| 5919 } | |
| 5920 | |
| 5921 CallExp::CallExp(Loc loc, Expression *e) | |
| 5922 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5923 { | |
| 5924 this->arguments = NULL; | |
| 5925 } | |
| 5926 | |
| 5927 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5928 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5929 { | |
| 5930 Expressions *arguments = new Expressions(); | |
| 5931 arguments->setDim(1); | |
| 5932 arguments->data[0] = (void *)earg1; | |
| 5933 | |
| 5934 this->arguments = arguments; | |
| 5935 } | |
| 5936 | |
| 5937 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5938 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5939 { | |
| 5940 Expressions *arguments = new Expressions(); | |
| 5941 arguments->setDim(2); | |
| 5942 arguments->data[0] = (void *)earg1; | |
| 5943 arguments->data[1] = (void *)earg2; | |
| 5944 | |
| 5945 this->arguments = arguments; | |
| 5946 } | |
| 5947 | |
| 5948 Expression *CallExp::syntaxCopy() | |
| 5949 { | |
| 5950 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5951 } | |
| 5952 | |
| 5953 | |
| 5954 Expression *CallExp::semantic(Scope *sc) | |
| 5955 { | |
| 5956 TypeFunction *tf; | |
| 5957 FuncDeclaration *f; | |
| 5958 int i; | |
| 5959 Type *t1; | |
| 5960 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
|
5961 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5962 |
| 5963 #if LOGSEMANTIC | |
| 5964 printf("CallExp::semantic() %s\n", toChars()); | |
| 5965 #endif | |
| 5966 if (type) | |
| 5967 return this; // semantic() already run | |
| 5968 #if 0 | |
| 5969 if (arguments && arguments->dim) | |
| 5970 { | |
| 5971 Expression *earg = (Expression *)arguments->data[0]; | |
| 5972 earg->print(); | |
| 5973 if (earg->type) earg->type->print(); | |
| 5974 } | |
| 5975 #endif | |
| 5976 | |
| 5977 if (e1->op == TOKdelegate) | |
| 5978 { DelegateExp *de = (DelegateExp *)e1; | |
| 5979 | |
| 5980 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5981 return semantic(sc); | |
| 5982 } | |
| 5983 | |
| 5984 /* Transform: | |
| 5985 * array.id(args) into id(array,args) | |
| 5986 * aa.remove(arg) into delete aa[arg] | |
| 5987 */ | |
| 5988 if (e1->op == TOKdot) | |
| 5989 { | |
| 5990 // BUG: we should handle array.a.b.c.e(args) too | |
| 5991 | |
| 5992 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5993 dotid->e1 = dotid->e1->semantic(sc); | |
| 5994 assert(dotid->e1); | |
| 5995 if (dotid->e1->type) | |
| 5996 { | |
| 5997 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5998 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5999 { | |
| 6000 if (!arguments || arguments->dim != 1) | |
| 6001 { error("expected key as argument to aa.remove()"); | |
| 6002 goto Lagain; | |
| 6003 } | |
| 6004 Expression *key = (Expression *)arguments->data[0]; | |
| 6005 key = key->semantic(sc); | |
| 6006 key = resolveProperties(sc, key); | |
| 6007 key->rvalue(); | |
| 6008 | |
| 6009 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 6010 key = key->implicitCastTo(sc, taa->index); | |
| 6011 key = key->implicitCastTo(sc, taa->key); | |
| 6012 | |
| 6013 return new RemoveExp(loc, dotid->e1, key); | |
| 6014 } | |
| 6015 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 6016 { | |
| 6017 if (!arguments) | |
| 6018 arguments = new Expressions(); | |
| 6019 arguments->shift(dotid->e1); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6020 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6021 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
|
6022 #else |
| 159 | 6023 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
|
6024 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6025 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6026 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6027 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6028 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6029 #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
|
6030 /* 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
|
6031 * 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
|
6032 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6033 if (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
|
6034 { 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
|
6035 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
|
6036 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
|
6037 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6038 /* 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
|
6039 * 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
|
6040 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6041 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
|
6042 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
|
6043 global.gag++; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6044 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
|
6045 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
|
6046 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
|
6047 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6048 /* 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
|
6049 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6050 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
|
6051 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
|
6052 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
|
6053 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6054 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6055 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6056 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6057 /* 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
|
6058 * 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
|
6059 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6060 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
|
6061 { 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
|
6062 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
|
6063 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
|
6064 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6065 /* 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
|
6066 * 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
|
6067 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6068 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
|
6069 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
|
6070 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
|
6071 global.gag++; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6072 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
|
6073 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
|
6074 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
|
6075 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6076 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
|
6077 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
|
6078 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
|
6079 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6080 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6081 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
|
6082 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6083 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6084 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6085 |
| 159 | 6086 istemp = 0; |
| 6087 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
|
6088 //printf("Lagain: %s\n", toChars()); |
| 159 | 6089 f = NULL; |
| 6090 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 6091 { | |
| 6092 // semantic() run later for these | |
| 6093 } | |
| 6094 else | |
| 6095 { | |
| 6096 UnaExp::semantic(sc); | |
| 6097 | |
| 6098 /* Look for e1 being a lazy parameter | |
| 6099 */ | |
| 6100 if (e1->op == TOKvar) | |
| 6101 { VarExp *ve = (VarExp *)e1; | |
| 6102 | |
| 6103 if (ve->var->storage_class & STClazy) | |
| 6104 { | |
| 6105 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 6106 TypeDelegate *t = new TypeDelegate(tf); | |
| 6107 ve->type = t->semantic(loc, sc); | |
| 6108 } | |
| 6109 } | |
| 6110 | |
| 6111 if (e1->op == TOKimport) | |
| 6112 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 6113 ScopeExp *se = (ScopeExp *)e1; | |
| 6114 e1 = new DsymbolExp(loc, se->sds); | |
| 6115 e1 = e1->semantic(sc); | |
| 6116 } | |
| 6117 #if 1 // patch for #540 by Oskar Linde | |
| 6118 else if (e1->op == TOKdotexp) | |
| 6119 { | |
| 6120 DotExp *de = (DotExp *) e1; | |
| 6121 | |
| 6122 if (de->e2->op == TOKimport) | |
| 6123 { // This should *really* be moved to ScopeExp::semantic() | |
| 6124 ScopeExp *se = (ScopeExp *)de->e2; | |
| 6125 de->e2 = new DsymbolExp(loc, se->sds); | |
| 6126 de->e2 = de->e2->semantic(sc); | |
| 6127 } | |
| 6128 | |
| 6129 if (de->e2->op == TOKtemplate) | |
| 6130 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 6131 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 6132 } | |
| 6133 } | |
| 6134 #endif | |
| 6135 } | |
| 6136 | |
| 6137 if (e1->op == TOKcomma) | |
| 6138 { | |
| 6139 CommaExp *ce = (CommaExp *)e1; | |
| 6140 | |
| 6141 e1 = ce->e2; | |
| 6142 e1->type = ce->type; | |
| 6143 ce->e2 = this; | |
| 6144 ce->type = NULL; | |
| 6145 return ce->semantic(sc); | |
| 6146 } | |
| 6147 | |
| 6148 t1 = NULL; | |
| 6149 if (e1->type) | |
| 6150 t1 = e1->type->toBasetype(); | |
| 6151 | |
| 6152 // Check for call operator overload | |
| 6153 if (t1) | |
| 6154 { AggregateDeclaration *ad; | |
| 6155 | |
| 6156 if (t1->ty == Tstruct) | |
| 6157 { | |
| 6158 ad = ((TypeStruct *)t1)->sym; | |
| 6159 if (search_function(ad, Id::call)) | |
| 6160 goto L1; // overload of opCall, therefore it's a call | |
| 6161 | |
| 6162 if (e1->op != TOKtype) | |
| 6163 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 6164 /* It's a struct literal | |
| 6165 */ | |
| 6166 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 6167 e = e->semantic(sc); | |
| 6168 e->type = e1->type; // in case e1->type was a typedef | |
| 6169 return e; | |
| 6170 } | |
| 6171 else if (t1->ty == Tclass) | |
| 6172 { | |
| 6173 ad = ((TypeClass *)t1)->sym; | |
| 6174 goto L1; | |
| 6175 L1: | |
| 6176 // Rewrite as e1.call(arguments) | |
| 6177 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 6178 e = new CallExp(loc, e, arguments); | |
| 6179 e = e->semantic(sc); | |
| 6180 return e; | |
| 6181 } | |
| 6182 } | |
| 6183 | |
| 6184 arrayExpressionSemantic(arguments, sc); | |
| 6185 preFunctionArguments(loc, sc, arguments); | |
| 6186 | |
| 6187 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 6188 e1->op == TOKdottd) | |
| 6189 { | |
| 6190 DotVarExp *dve; | |
| 6191 DotTemplateExp *dte; | |
| 6192 AggregateDeclaration *ad; | |
| 6193 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 6194 |
| 159 | 6195 if (e1->op == TOKdotvar) |
| 6196 { // Do overload resolution | |
| 6197 dve = (DotVarExp *)(e1); | |
| 6198 | |
| 6199 f = dve->var->isFuncDeclaration(); | |
| 6200 assert(f); | |
| 6201 f = f->overloadResolve(loc, arguments); | |
| 6202 | |
| 6203 ad = f->toParent()->isAggregateDeclaration(); | |
| 6204 } | |
| 6205 else | |
| 6206 { dte = (DotTemplateExp *)(e1); | |
| 6207 TemplateDeclaration *td = dte->td; | |
| 6208 assert(td); | |
| 6209 if (!arguments) | |
| 6210 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 6211 arguments = new Expressions(); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6212 f = td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6213 if (!f) |
| 6214 { type = Type::terror; | |
| 6215 return this; | |
| 6216 } | |
| 6217 ad = td->toParent()->isAggregateDeclaration(); | |
| 6218 } | |
| 336 | 6219 if (f->needThis()) |
| 6220 { | |
| 6221 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 6222 } | |
| 6223 | |
| 6224 /* Cannot call public functions from inside invariant | |
| 6225 * (because then the invariant would have infinite recursion) | |
| 159 | 6226 */ |
| 336 | 6227 if (sc->func && sc->func->isInvariantDeclaration() && |
| 6228 ue->e1->op == TOKthis && | |
| 6229 f->addPostInvariant() | |
| 159 | 6230 ) |
| 6231 { | |
| 336 | 6232 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 6233 } |
| 6234 | |
| 6235 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6236 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6237 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6238 #endif |
| 159 | 6239 accessCheck(loc, sc, ue->e1, f); |
| 6240 if (!f->needThis()) | |
| 6241 { | |
| 6242 VarExp *ve = new VarExp(loc, f); | |
| 6243 e1 = new CommaExp(loc, ue->e1, ve); | |
| 6244 e1->type = f->type; | |
| 6245 } | |
| 6246 else | |
| 6247 { | |
| 6248 if (e1->op == TOKdotvar) | |
| 6249 dve->var = f; | |
| 6250 else | |
| 6251 e1 = new DotVarExp(loc, dte->e1, f); | |
| 6252 e1->type = f->type; | |
| 6253 | |
| 6254 // See if we need to adjust the 'this' pointer | |
| 6255 AggregateDeclaration *ad = f->isThis(); | |
| 6256 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 6257 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 6258 ue->e1->op != TOKsuper) | |
| 6259 { | |
| 6260 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 6261 ue->e1 = ue->e1->semantic(sc); | |
| 6262 } | |
| 6263 } | |
| 6264 t1 = e1->type; | |
| 6265 } | |
| 6266 else if (e1->op == TOKsuper) | |
| 6267 { | |
| 6268 // Base class constructor call | |
| 6269 ClassDeclaration *cd = NULL; | |
| 6270 | |
| 6271 if (sc->func) | |
| 6272 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6273 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 6274 { | |
| 6275 error("super class constructor call must be in a constructor"); | |
| 6276 type = Type::terror; | |
| 6277 return this; | |
| 6278 } | |
| 6279 else | |
| 6280 { | |
| 6281 f = cd->baseClass->ctor; | |
| 6282 if (!f) | |
| 6283 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 6284 type = Type::terror; | |
| 6285 return this; | |
| 6286 } | |
| 6287 else | |
| 6288 { | |
| 336 | 6289 if (!sc->intypeof) |
| 6290 { | |
| 159 | 6291 #if 0 |
| 336 | 6292 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6293 error("reference to this before super()"); | |
| 159 | 6294 #endif |
| 336 | 6295 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6296 error("constructor calls not allowed in loops or after labels"); | |
| 6297 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6298 error("multiple constructor calls"); | |
| 6299 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 6300 } | |
| 159 | 6301 |
| 6302 f = f->overloadResolve(loc, arguments); | |
| 6303 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6304 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6305 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6306 #endif |
| 159 | 6307 e1 = new DotVarExp(e1->loc, e1, f); |
| 6308 e1 = e1->semantic(sc); | |
| 6309 t1 = e1->type; | |
| 6310 } | |
| 6311 } | |
| 6312 } | |
| 6313 else if (e1->op == TOKthis) | |
| 6314 { | |
| 6315 // same class constructor call | |
| 6316 ClassDeclaration *cd = NULL; | |
| 6317 | |
| 6318 if (sc->func) | |
| 6319 cd = sc->func->toParent()->isClassDeclaration(); | |
| 6320 if (!cd || !sc->func->isCtorDeclaration()) | |
| 6321 { | |
| 6322 error("class constructor call must be in a constructor"); | |
| 6323 type = Type::terror; | |
| 6324 return this; | |
| 6325 } | |
| 6326 else | |
| 6327 { | |
| 336 | 6328 if (!sc->intypeof) |
| 6329 { | |
| 159 | 6330 #if 0 |
| 336 | 6331 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 6332 error("reference to this before super()"); | |
| 159 | 6333 #endif |
| 336 | 6334 if (sc->noctor || sc->callSuper & CSXlabel) |
| 6335 error("constructor calls not allowed in loops or after labels"); | |
| 6336 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6337 error("multiple constructor calls"); | |
| 6338 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6339 } | |
| 159 | 6340 |
| 6341 f = cd->ctor; | |
| 6342 f = f->overloadResolve(loc, arguments); | |
| 6343 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6344 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6345 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6346 #endif |
| 159 | 6347 e1 = new DotVarExp(e1->loc, e1, f); |
| 6348 e1 = e1->semantic(sc); | |
| 6349 t1 = e1->type; | |
| 6350 | |
| 6351 // BUG: this should really be done by checking the static | |
| 6352 // call graph | |
| 6353 if (f == sc->func) | |
| 6354 error("cyclic constructor call"); | |
| 6355 } | |
| 6356 } | |
| 6357 else if (!t1) | |
| 6358 { | |
| 6359 error("function expected before (), not '%s'", e1->toChars()); | |
| 6360 type = Type::terror; | |
| 6361 return this; | |
| 6362 } | |
| 6363 else if (t1->ty != Tfunction) | |
| 6364 { | |
| 6365 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
|
6366 { 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
|
6367 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
|
6368 tf = (TypeFunction *)(td->next); |
| 159 | 6369 goto Lcheckargs; |
| 6370 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6371 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6372 { Expression *e; |
| 6373 | |
| 6374 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
|
6375 t1 = ((TypePointer *)t1)->next; |
| 159 | 6376 e->type = t1; |
| 6377 e1 = e; | |
| 6378 } | |
| 6379 else if (e1->op == TOKtemplate) | |
| 6380 { | |
| 6381 TemplateExp *te = (TemplateExp *)e1; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6382 f = te->td->deduceFunctionTemplate(sc, loc, targsi, NULL, arguments); |
| 159 | 6383 if (!f) |
| 6384 { type = Type::terror; | |
| 6385 return this; | |
| 6386 } | |
| 6387 if (f->needThis() && hasThis(sc)) | |
| 6388 { | |
| 6389 // Supply an implicit 'this', as in | |
| 6390 // this.ident | |
| 6391 | |
| 6392 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6393 goto Lagain; | |
| 6394 } | |
| 6395 | |
| 6396 e1 = new VarExp(loc, f); | |
| 6397 goto Lagain; | |
| 6398 } | |
| 6399 else | |
| 6400 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6401 type = Type::terror; | |
| 6402 return this; | |
| 6403 } | |
| 6404 } | |
| 6405 else if (e1->op == TOKvar) | |
| 6406 { | |
| 6407 // Do overload resolution | |
| 6408 VarExp *ve = (VarExp *)e1; | |
| 6409 | |
| 6410 f = ve->var->isFuncDeclaration(); | |
| 6411 assert(f); | |
| 6412 | |
| 6413 // Look to see if f is really a function template | |
| 6414 if (0 && !istemp && f->parent) | |
| 6415 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6416 | |
| 6417 if (ti && | |
| 6418 (ti->name == f->ident || | |
| 6419 ti->toAlias()->ident == f->ident) | |
| 6420 && | |
| 6421 ti->tempdecl) | |
| 6422 { | |
| 6423 /* This is so that one can refer to the enclosing | |
| 6424 * template, even if it has the same name as a member | |
| 6425 * of the template, if it has a !(arguments) | |
| 6426 */ | |
| 6427 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6428 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6429 tempdecl = tempdecl->overroot; // then get the start | |
| 6430 e1 = new TemplateExp(loc, tempdecl); | |
| 6431 istemp = 1; | |
| 6432 goto Lagain; | |
| 6433 } | |
| 6434 } | |
| 6435 | |
| 6436 f = f->overloadResolve(loc, arguments); | |
| 6437 checkDeprecated(sc, f); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6438 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6439 checkPurity(sc, f); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6440 #endif |
| 159 | 6441 |
| 6442 if (f->needThis() && hasThis(sc)) | |
| 6443 { | |
| 6444 // Supply an implicit 'this', as in | |
| 6445 // this.ident | |
| 6446 | |
| 6447 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6448 goto Lagain; | |
| 6449 } | |
| 6450 | |
| 6451 accessCheck(loc, sc, NULL, f); | |
| 6452 | |
| 6453 ve->var = f; | |
| 6454 ve->type = f->type; | |
| 6455 t1 = f->type; | |
| 6456 } | |
| 6457 assert(t1->ty == Tfunction); | |
| 6458 tf = (TypeFunction *)(t1); | |
| 6459 | |
| 6460 Lcheckargs: | |
| 6461 assert(tf->ty == Tfunction); | |
| 6462 type = tf->next; | |
| 6463 | |
| 6464 if (!arguments) | |
| 6465 arguments = new Expressions(); | |
| 6466 functionArguments(loc, sc, tf, arguments); | |
| 6467 | |
| 6468 assert(type); | |
| 6469 | |
| 6470 if (f && f->tintro) | |
| 6471 { | |
| 6472 Type *t = type; | |
| 6473 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
|
6474 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
|
6475 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6476 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
|
6477 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6478 type = tf->next; |
| 159 | 6479 return castTo(sc, t); |
| 6480 } | |
| 6481 } | |
| 6482 | |
| 6483 return this; | |
| 6484 } | |
| 6485 | |
| 6486 int CallExp::checkSideEffect(int flag) | |
| 6487 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6488 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6489 if (flag != 2) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6490 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6491 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6492 if (e1->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6493 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6494 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6495 /* 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
|
6496 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6497 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
|
6498 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6499 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6500 if (e->checkSideEffect(2)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6501 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6502 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6503 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6504 /* 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
|
6505 * then this expression has no side effects. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6506 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6507 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6508 if (t->ty == Tfunction && ((TypeFunction *)t)->ispure) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6509 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6510 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
|
6511 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6512 #endif |
| 159 | 6513 return 1; |
| 6514 } | |
| 6515 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6516 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6517 int CallExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6518 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6519 if (e1->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6520 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6521 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6522 /* 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
|
6523 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6524 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
|
6525 { Expression *e = (Expression *)arguments->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6526 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6527 if (e->canThrow()) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6528 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6529 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6530 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6531 /* 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
|
6532 * then this expression cannot throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6533 * Note that pure functions can throw. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6534 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6535 Type *t = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6536 if (t->ty == Tfunction && ((TypeFunction *)t)->isnothrow) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6537 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6538 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
|
6539 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6540 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6541 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6542 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6543 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6544 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6545 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6546 int CallExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6547 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6548 if (type->toBasetype()->ty == Tstruct) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6549 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6550 Type *tb = e1->type->toBasetype(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6551 if (tb->ty == Tfunction && ((TypeFunction *)tb)->isref) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6552 return 1; // function returns a reference |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6553 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6554 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6555 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6556 |
| 159 | 6557 Expression *CallExp::toLvalue(Scope *sc, Expression *e) |
| 6558 { | |
| 6559 if (type->toBasetype()->ty == Tstruct) | |
| 6560 return this; | |
| 6561 else | |
| 6562 return Expression::toLvalue(sc, e); | |
| 6563 } | |
| 6564 | |
| 6565 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6566 { int i; | |
| 6567 | |
| 6568 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6569 buf->writeByte('('); | |
| 6570 argsToCBuffer(buf, arguments, hgs); | |
| 6571 buf->writeByte(')'); | |
| 6572 } | |
| 6573 | |
| 6574 | |
| 6575 /************************************************************/ | |
| 6576 | |
| 6577 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6578 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6579 { | |
| 6580 } | |
| 6581 | |
| 6582 Expression *AddrExp::semantic(Scope *sc) | |
| 6583 { | |
| 6584 #if LOGSEMANTIC | |
| 6585 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6586 #endif | |
| 6587 if (!type) | |
| 6588 { | |
| 6589 UnaExp::semantic(sc); | |
| 6590 e1 = e1->toLvalue(sc, NULL); | |
| 6591 if (!e1->type) | |
| 6592 { | |
| 6593 error("cannot take address of %s", e1->toChars()); | |
| 6594 type = Type::tint32; | |
| 6595 return this; | |
| 6596 } | |
| 6597 type = e1->type->pointerTo(); | |
| 6598 | |
| 6599 // See if this should really be a delegate | |
| 6600 if (e1->op == TOKdotvar) | |
| 6601 { | |
| 6602 DotVarExp *dve = (DotVarExp *)e1; | |
| 6603 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6604 | |
| 6605 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
|
6606 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6607 e = e->semantic(sc); |
| 6608 return e; | |
| 6609 } | |
| 6610 } | |
| 6611 else if (e1->op == TOKvar) | |
| 6612 { | |
| 6613 VarExp *dve = (VarExp *)e1; | |
| 6614 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6615 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6616 | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
6617 // 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
|
6618 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
|
6619 { |
|
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 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
|
6621 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
|
6622 } |
|
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 |
| 159 | 6624 if (f && f->isNested()) |
| 6625 { Expression *e; | |
| 6626 | |
| 6627 e = new DelegateExp(loc, e1, f); | |
| 6628 e = e->semantic(sc); | |
| 6629 return e; | |
| 6630 } | |
| 6631 } | |
| 6632 else if (e1->op == TOKarray) | |
| 6633 { | |
| 6634 if (e1->type->toBasetype()->ty == Tbit) | |
| 6635 error("cannot take address of bit in array"); | |
| 6636 } | |
| 6637 return optimize(WANTvalue); | |
| 6638 } | |
| 6639 return this; | |
| 6640 } | |
| 6641 | |
| 6642 /************************************************************/ | |
| 6643 | |
| 6644 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6645 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6646 { | |
| 6647 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
|
6648 type = ((TypePointer *)e->type)->next; |
| 159 | 6649 } |
| 6650 | |
| 6651 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6652 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6653 { | |
| 6654 type = t; | |
| 6655 } | |
| 6656 | |
| 6657 Expression *PtrExp::semantic(Scope *sc) | |
| 6658 { Type *tb; | |
| 6659 | |
| 6660 #if LOGSEMANTIC | |
| 6661 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6662 #endif | |
| 6663 UnaExp::semantic(sc); | |
| 6664 e1 = resolveProperties(sc, e1); | |
| 6665 if (type) | |
| 6666 return this; | |
| 6667 if (!e1->type) | |
| 6668 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6669 tb = e1->type->toBasetype(); | |
| 6670 switch (tb->ty) | |
| 6671 { | |
| 6672 case Tpointer: | |
| 6673 type = tb->next; | |
| 6674 if (type->isbit()) | |
| 6675 { Expression *e; | |
| 6676 | |
| 6677 // Rewrite *p as p[0] | |
| 6678 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6679 return e->semantic(sc); | |
| 6680 } | |
| 6681 break; | |
| 6682 | |
| 6683 case Tsarray: | |
| 6684 case Tarray: | |
| 6685 type = tb->next; | |
| 6686 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6687 break; | |
| 6688 | |
| 6689 default: | |
| 6690 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6691 type = Type::tint32; | |
| 6692 break; | |
| 6693 } | |
| 6694 rvalue(); | |
| 6695 return this; | |
| 6696 } | |
| 6697 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6698 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6699 int PtrExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6700 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6701 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6702 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6703 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6704 |
| 159 | 6705 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) |
| 6706 { | |
| 6707 #if 0 | |
| 6708 tym = tybasic(e1->ET->Tty); | |
| 6709 if (!(tyscalar(tym) || | |
| 6710 tym == TYstruct || | |
| 6711 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6712 synerr(EM_lvalue); // lvalue expected | |
| 6713 #endif | |
| 6714 return this; | |
| 6715 } | |
| 6716 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6717 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6718 Expression *PtrExp::modifiableLvalue(Scope *sc, Expression *e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6719 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6720 //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
|
6721 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6722 if (e1->op == TOKsymoff) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6723 { SymOffExp *se = (SymOffExp *)e1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6724 se->var->checkModify(loc, sc, type); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6725 //return toLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6726 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6727 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6728 return Expression::modifiableLvalue(sc, e); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6729 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6730 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6731 |
| 159 | 6732 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 6733 { | |
| 6734 buf->writeByte('*'); | |
| 6735 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6736 } | |
| 6737 | |
| 6738 /************************************************************/ | |
| 6739 | |
| 6740 NegExp::NegExp(Loc loc, Expression *e) | |
| 6741 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6742 { | |
| 6743 } | |
| 6744 | |
| 6745 Expression *NegExp::semantic(Scope *sc) | |
| 6746 { Expression *e; | |
| 6747 | |
| 6748 #if LOGSEMANTIC | |
| 6749 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6750 #endif | |
| 6751 if (!type) | |
| 6752 { | |
| 6753 UnaExp::semantic(sc); | |
| 6754 e1 = resolveProperties(sc, e1); | |
| 6755 e = op_overload(sc); | |
| 6756 if (e) | |
| 6757 return e; | |
| 6758 | |
| 6759 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
|
6760 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
|
6761 e1->checkArithmetic(); |
| 159 | 6762 type = e1->type; |
| 6763 } | |
| 6764 return this; | |
| 6765 } | |
| 6766 | |
| 6767 /************************************************************/ | |
| 6768 | |
| 6769 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6770 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6771 { | |
| 6772 } | |
| 6773 | |
| 6774 Expression *UAddExp::semantic(Scope *sc) | |
| 6775 { Expression *e; | |
| 6776 | |
| 6777 #if LOGSEMANTIC | |
| 6778 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6779 #endif | |
| 6780 assert(!type); | |
| 6781 UnaExp::semantic(sc); | |
| 6782 e1 = resolveProperties(sc, e1); | |
| 6783 e = op_overload(sc); | |
| 6784 if (e) | |
| 6785 return e; | |
| 6786 e1->checkNoBool(); | |
| 6787 e1->checkArithmetic(); | |
| 6788 return e1; | |
| 6789 } | |
| 6790 | |
| 6791 /************************************************************/ | |
| 6792 | |
| 6793 ComExp::ComExp(Loc loc, Expression *e) | |
| 6794 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6795 { | |
| 6796 } | |
| 6797 | |
| 6798 Expression *ComExp::semantic(Scope *sc) | |
| 6799 { Expression *e; | |
| 6800 | |
| 6801 if (!type) | |
| 6802 { | |
| 6803 UnaExp::semantic(sc); | |
| 6804 e1 = resolveProperties(sc, e1); | |
| 6805 e = op_overload(sc); | |
| 6806 if (e) | |
| 6807 return e; | |
| 6808 | |
| 6809 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
|
6810 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
|
6811 e1 = e1->checkIntegral(); |
| 159 | 6812 type = e1->type; |
| 6813 } | |
| 6814 return this; | |
| 6815 } | |
| 6816 | |
| 6817 /************************************************************/ | |
| 6818 | |
| 6819 NotExp::NotExp(Loc loc, Expression *e) | |
| 6820 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6821 { | |
| 6822 } | |
| 6823 | |
| 6824 Expression *NotExp::semantic(Scope *sc) | |
| 6825 { | |
| 6826 UnaExp::semantic(sc); | |
| 6827 e1 = resolveProperties(sc, e1); | |
| 6828 e1 = e1->checkToBoolean(); | |
| 6829 type = Type::tboolean; | |
| 6830 return this; | |
| 6831 } | |
| 6832 | |
| 6833 int NotExp::isBit() | |
| 6834 { | |
| 6835 return TRUE; | |
| 6836 } | |
| 6837 | |
| 6838 | |
| 6839 | |
| 6840 /************************************************************/ | |
| 6841 | |
| 6842 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6843 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6844 { | |
| 6845 type = t; | |
| 6846 } | |
| 6847 | |
| 6848 Expression *BoolExp::semantic(Scope *sc) | |
| 6849 { | |
| 6850 UnaExp::semantic(sc); | |
| 6851 e1 = resolveProperties(sc, e1); | |
| 6852 e1 = e1->checkToBoolean(); | |
| 6853 type = Type::tboolean; | |
| 6854 return this; | |
| 6855 } | |
| 6856 | |
| 6857 int BoolExp::isBit() | |
| 6858 { | |
| 6859 return TRUE; | |
| 6860 } | |
| 6861 | |
| 6862 /************************************************************/ | |
| 6863 | |
| 6864 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6865 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6866 { | |
| 6867 } | |
| 6868 | |
| 6869 Expression *DeleteExp::semantic(Scope *sc) | |
| 6870 { | |
| 6871 Type *tb; | |
| 6872 | |
| 6873 UnaExp::semantic(sc); | |
| 6874 e1 = resolveProperties(sc, e1); | |
| 6875 e1 = e1->toLvalue(sc, NULL); | |
| 6876 type = Type::tvoid; | |
| 6877 | |
| 6878 tb = e1->type->toBasetype(); | |
| 6879 switch (tb->ty) | |
| 6880 { case Tclass: | |
| 6881 { TypeClass *tc = (TypeClass *)tb; | |
| 6882 ClassDeclaration *cd = tc->sym; | |
| 6883 | |
| 6884 if (cd->isCOMinterface()) | |
| 6885 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6886 */ | |
| 6887 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6888 } | |
| 6889 break; | |
| 6890 } | |
| 6891 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
|
6892 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6893 if (tb->ty == Tstruct) |
| 6894 { | |
| 6895 TypeStruct *ts = (TypeStruct *)tb; | |
| 6896 StructDeclaration *sd = ts->sym; | |
| 6897 FuncDeclaration *f = sd->aggDelete; | |
| 6898 | |
| 6899 if (f) | |
| 6900 { | |
| 6901 Type *tpv = Type::tvoid->pointerTo(); | |
| 6902 | |
| 6903 Expression *e = e1->castTo(sc, tpv); | |
| 6904 Expression *ec = new VarExp(loc, f); | |
| 6905 e = new CallExp(loc, ec, e); | |
| 6906 return e->semantic(sc); | |
| 6907 } | |
| 6908 } | |
| 6909 break; | |
| 6910 | |
| 6911 case Tarray: | |
| 6912 break; | |
| 6913 | |
| 6914 default: | |
| 6915 if (e1->op == TOKindex) | |
| 6916 { | |
| 6917 IndexExp *ae = (IndexExp *)(e1); | |
| 6918 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6919 if (tb1->ty == Taarray) | |
| 6920 break; | |
| 6921 } | |
| 6922 error("cannot delete type %s", e1->type->toChars()); | |
| 6923 break; | |
| 6924 } | |
| 6925 | |
| 6926 if (e1->op == TOKindex) | |
| 6927 { | |
| 6928 IndexExp *ae = (IndexExp *)(e1); | |
| 6929 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6930 if (tb1->ty == Taarray) | |
| 6931 { if (!global.params.useDeprecated) | |
| 6932 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6933 } | |
| 6934 } | |
| 6935 | |
| 6936 return this; | |
| 6937 } | |
| 6938 | |
| 6939 int DeleteExp::checkSideEffect(int flag) | |
| 6940 { | |
| 6941 return 1; | |
| 6942 } | |
| 6943 | |
| 6944 Expression *DeleteExp::checkToBoolean() | |
| 6945 { | |
| 6946 error("delete does not give a boolean result"); | |
| 6947 return this; | |
| 6948 } | |
| 6949 | |
| 6950 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6951 { | |
| 6952 buf->writestring("delete "); | |
| 6953 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6954 } | |
| 6955 | |
| 6956 /************************************************************/ | |
| 6957 | |
| 6958 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6959 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6960 { | |
| 6961 to = t; | |
| 6962 } | |
| 6963 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6964 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6965 /* For cast(const) and cast(immutable) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6966 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6967 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
|
6968 : UnaExp(loc, TOKcast, sizeof(CastExp), e) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6969 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6970 to = NULL; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6971 this->mod = mod; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6972 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6973 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
6974 |
| 159 | 6975 Expression *CastExp::syntaxCopy() |
| 6976 { | |
| 6977 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6978 } | |
| 6979 | |
| 6980 | |
| 6981 Expression *CastExp::semantic(Scope *sc) | |
| 6982 { Expression *e; | |
| 6983 BinExp *b; | |
| 6984 UnaExp *u; | |
| 6985 | |
| 6986 #if LOGSEMANTIC | |
| 6987 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6988 #endif | |
| 6989 | |
| 6990 //static int x; assert(++x < 10); | |
| 6991 | |
| 6992 if (type) | |
| 6993 return this; | |
| 6994 UnaExp::semantic(sc); | |
| 6995 if (e1->type) // if not a tuple | |
| 6996 { | |
| 6997 e1 = resolveProperties(sc, e1); | |
| 6998 to = to->semantic(loc, sc); | |
| 6999 | |
| 7000 e = op_overload(sc); | |
| 7001 if (e) | |
| 7002 { | |
| 7003 return e->implicitCastTo(sc, to); | |
| 7004 } | |
| 7005 | |
| 7006 Type *tob = to->toBasetype(); | |
| 7007 if (tob->ty == Tstruct && | |
| 7008 !tob->equals(e1->type->toBasetype()) && | |
| 7009 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 7010 ) | |
| 7011 { | |
| 7012 /* Look to replace: | |
| 7013 * cast(S)t | |
| 7014 * with: | |
| 7015 * S(t) | |
| 7016 */ | |
| 7017 | |
| 7018 // Rewrite as to.call(e1) | |
| 7019 e = new TypeExp(loc, to); | |
| 7020 e = new DotIdExp(loc, e, Id::call); | |
| 7021 e = new CallExp(loc, e, e1); | |
| 7022 e = e->semantic(sc); | |
| 7023 return e; | |
| 7024 } | |
| 7025 } | |
| 7026 e = e1->castTo(sc, to); | |
| 7027 return e; | |
| 7028 } | |
| 7029 | |
| 7030 int CastExp::checkSideEffect(int flag) | |
| 7031 { | |
| 7032 /* if not: | |
| 7033 * cast(void) | |
| 7034 * cast(classtype)func() | |
| 7035 */ | |
| 7036 if (!to->equals(Type::tvoid) && | |
| 7037 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 7038 return Expression::checkSideEffect(flag); | |
| 7039 return 1; | |
| 7040 } | |
| 7041 | |
| 7042 void CastExp::checkEscape() | |
| 7043 { Type *tb = type->toBasetype(); | |
| 7044 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 7045 e1->type->toBasetype()->ty == Tsarray) | |
| 7046 { VarExp *ve = (VarExp *)e1; | |
| 7047 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 7048 if (v) | |
| 7049 { | |
| 7050 if (!v->isDataseg() && !v->isParameter()) | |
| 7051 error("escaping reference to local %s", v->toChars()); | |
| 7052 } | |
| 7053 } | |
| 7054 } | |
| 7055 | |
| 7056 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7057 { | |
| 7058 buf->writestring("cast("); | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7059 #if DMDV1 |
| 159 | 7060 to->toCBuffer(buf, NULL, hgs); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7061 #else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7062 if (to) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7063 to->toCBuffer(buf, NULL, hgs); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7064 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7065 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7066 switch (mod) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7067 { case 0: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7068 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7069 case MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7070 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7071 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7072 case MODinvariant: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7073 buf->writestring(Token::tochars[TOKimmutable]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7074 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7075 case MODshared: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7076 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7077 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7078 case MODshared | MODconst: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7079 buf->writestring(Token::tochars[TOKshared]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7080 buf->writeByte(' '); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7081 buf->writestring(Token::tochars[TOKconst]); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7082 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7083 default: |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7084 assert(0); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7085 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7086 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7087 #endif |
| 159 | 7088 buf->writeByte(')'); |
| 7089 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7090 } | |
| 7091 | |
| 7092 | |
| 7093 /************************************************************/ | |
| 7094 | |
| 7095 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 7096 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 7097 { | |
| 7098 this->upr = upr; | |
| 7099 this->lwr = lwr; | |
| 7100 lengthVar = NULL; | |
| 7101 } | |
| 7102 | |
| 7103 Expression *SliceExp::syntaxCopy() | |
| 7104 { | |
| 7105 Expression *lwr = NULL; | |
| 7106 if (this->lwr) | |
| 7107 lwr = this->lwr->syntaxCopy(); | |
| 7108 | |
| 7109 Expression *upr = NULL; | |
| 7110 if (this->upr) | |
| 7111 upr = this->upr->syntaxCopy(); | |
| 7112 | |
| 7113 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 7114 } | |
| 7115 | |
| 7116 Expression *SliceExp::semantic(Scope *sc) | |
| 7117 { Expression *e; | |
| 7118 AggregateDeclaration *ad; | |
| 7119 //FuncDeclaration *fd; | |
| 7120 ScopeDsymbol *sym; | |
| 7121 | |
| 7122 #if LOGSEMANTIC | |
| 7123 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 7124 #endif | |
| 7125 if (type) | |
| 7126 return this; | |
| 7127 | |
| 7128 UnaExp::semantic(sc); | |
| 7129 e1 = resolveProperties(sc, e1); | |
| 7130 | |
| 7131 e = this; | |
| 7132 | |
| 7133 Type *t = e1->type->toBasetype(); | |
| 7134 if (t->ty == Tpointer) | |
| 7135 { | |
| 7136 if (!lwr || !upr) | |
| 7137 error("need upper and lower bound to slice pointer"); | |
| 7138 } | |
| 7139 else if (t->ty == Tarray) | |
| 7140 { | |
| 7141 } | |
| 7142 else if (t->ty == Tsarray) | |
| 7143 { | |
| 7144 } | |
| 7145 else if (t->ty == Tclass) | |
| 7146 { | |
| 7147 ad = ((TypeClass *)t)->sym; | |
| 7148 goto L1; | |
| 7149 } | |
| 7150 else if (t->ty == Tstruct) | |
| 7151 { | |
| 7152 ad = ((TypeStruct *)t)->sym; | |
| 7153 | |
| 7154 L1: | |
| 7155 if (search_function(ad, Id::slice)) | |
| 7156 { | |
| 7157 // Rewrite as e1.slice(lwr, upr) | |
| 7158 e = new DotIdExp(loc, e1, Id::slice); | |
| 7159 | |
| 7160 if (lwr) | |
| 7161 { | |
| 7162 assert(upr); | |
| 7163 e = new CallExp(loc, e, lwr, upr); | |
| 7164 } | |
| 7165 else | |
| 7166 { assert(!upr); | |
| 7167 e = new CallExp(loc, e); | |
| 7168 } | |
| 7169 e = e->semantic(sc); | |
| 7170 return e; | |
| 7171 } | |
| 7172 goto Lerror; | |
| 7173 } | |
| 7174 else if (t->ty == Ttuple) | |
| 7175 { | |
| 7176 if (!lwr && !upr) | |
| 7177 return e1; | |
| 7178 if (!lwr || !upr) | |
| 7179 { error("need upper and lower bound to slice tuple"); | |
| 7180 goto Lerror; | |
| 7181 } | |
| 7182 } | |
| 7183 else | |
| 7184 goto Lerror; | |
| 7185 | |
| 7186 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7187 { | |
| 7188 sym = new ArrayScopeSymbol(this); | |
| 7189 sym->loc = loc; | |
| 7190 sym->parent = sc->scopesym; | |
| 7191 sc = sc->push(sym); | |
| 7192 } | |
| 7193 | |
| 7194 if (lwr) | |
| 7195 { lwr = lwr->semantic(sc); | |
| 7196 lwr = resolveProperties(sc, lwr); | |
| 7197 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 7198 } | |
| 7199 if (upr) | |
| 7200 { upr = upr->semantic(sc); | |
| 7201 upr = resolveProperties(sc, upr); | |
| 7202 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 7203 } | |
| 7204 | |
| 7205 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 7206 sc->pop(); | |
| 7207 | |
| 7208 if (t->ty == Ttuple) | |
| 7209 { | |
| 7210 lwr = lwr->optimize(WANTvalue); | |
| 7211 upr = upr->optimize(WANTvalue); | |
| 7212 uinteger_t i1 = lwr->toUInteger(); | |
| 7213 uinteger_t i2 = upr->toUInteger(); | |
| 7214 | |
| 7215 size_t length; | |
| 7216 TupleExp *te; | |
| 7217 TypeTuple *tup; | |
| 7218 | |
| 7219 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 7220 { te = (TupleExp *)e1; | |
| 7221 length = te->exps->dim; | |
| 7222 } | |
| 7223 else if (e1->op == TOKtype) // slicing a type tuple | |
| 7224 { tup = (TypeTuple *)t; | |
| 7225 length = Argument::dim(tup->arguments); | |
| 7226 } | |
| 7227 else | |
| 7228 assert(0); | |
| 7229 | |
| 7230 if (i1 <= i2 && i2 <= length) | |
| 7231 { size_t j1 = (size_t) i1; | |
| 7232 size_t j2 = (size_t) i2; | |
| 7233 | |
| 7234 if (e1->op == TOKtuple) | |
| 7235 { Expressions *exps = new Expressions; | |
| 7236 exps->setDim(j2 - j1); | |
| 7237 for (size_t i = 0; i < j2 - j1; i++) | |
| 7238 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 7239 exps->data[i] = (void *)e; | |
| 7240 } | |
| 7241 e = new TupleExp(loc, exps); | |
| 7242 } | |
| 7243 else | |
| 7244 { Arguments *args = new Arguments; | |
| 7245 args->reserve(j2 - j1); | |
| 7246 for (size_t i = j1; i < j2; i++) | |
| 7247 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 7248 args->push(arg); | |
| 7249 } | |
| 7250 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 7251 } | |
| 7252 e = e->semantic(sc); | |
| 7253 } | |
| 7254 else | |
| 7255 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7256 error("string slice [%ju .. %ju] is out of bounds", i1, i2); |
| 159 | 7257 e = e1; |
| 7258 } | |
| 7259 return e; | |
| 7260 } | |
| 7261 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7262 if (t->ty == Tarray) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7263 type = e1->type; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7264 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7265 type = t->nextOf()->arrayOf(); |
| 159 | 7266 return e; |
| 7267 | |
| 7268 Lerror: | |
| 7269 char *s; | |
| 7270 if (t->ty == Tvoid) | |
| 7271 s = e1->toChars(); | |
| 7272 else | |
| 7273 s = t->toChars(); | |
| 7274 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
|
7275 e = new IntegerExp(0); |
| 159 | 7276 return e; |
| 7277 } | |
| 7278 | |
| 7279 void SliceExp::checkEscape() | |
| 7280 { | |
| 7281 e1->checkEscape(); | |
| 7282 } | |
| 7283 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7284 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7285 int SliceExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7286 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7287 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7288 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7289 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7290 |
| 159 | 7291 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) |
| 7292 { | |
| 7293 return this; | |
| 7294 } | |
| 7295 | |
| 7296 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7297 { | |
| 7298 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 7299 return this; | |
| 7300 } | |
| 7301 | |
| 7302 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7303 { | |
| 7304 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7305 buf->writeByte('['); | |
| 7306 if (upr || lwr) | |
| 7307 { | |
| 7308 if (lwr) | |
| 7309 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 7310 else | |
| 7311 buf->writeByte('0'); | |
| 7312 buf->writestring(".."); | |
| 7313 if (upr) | |
| 7314 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 7315 else | |
| 7316 buf->writestring("length"); // BUG: should be array.length | |
| 7317 } | |
| 7318 buf->writeByte(']'); | |
| 7319 } | |
| 7320 | |
| 7321 /********************** ArrayLength **************************************/ | |
| 7322 | |
| 7323 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 7324 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 7325 { | |
| 7326 } | |
| 7327 | |
| 7328 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 7329 { Expression *e; | |
| 7330 | |
| 7331 #if LOGSEMANTIC | |
| 7332 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 7333 #endif | |
| 7334 if (!type) | |
| 7335 { | |
| 7336 UnaExp::semantic(sc); | |
| 7337 e1 = resolveProperties(sc, e1); | |
| 7338 | |
| 7339 type = Type::tsize_t; | |
| 7340 } | |
| 7341 return this; | |
| 7342 } | |
| 7343 | |
| 7344 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7345 { | |
| 7346 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7347 buf->writestring(".length"); | |
| 7348 } | |
| 7349 | |
| 7350 /*********************** ArrayExp *************************************/ | |
| 7351 | |
| 7352 // e1 [ i1, i2, i3, ... ] | |
| 7353 | |
| 7354 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 7355 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 7356 { | |
| 7357 arguments = args; | |
| 7358 } | |
| 7359 | |
| 7360 Expression *ArrayExp::syntaxCopy() | |
| 7361 { | |
| 7362 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 7363 } | |
| 7364 | |
| 7365 Expression *ArrayExp::semantic(Scope *sc) | |
| 7366 { Expression *e; | |
| 7367 Type *t1; | |
| 7368 | |
| 7369 #if LOGSEMANTIC | |
| 7370 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 7371 #endif | |
| 7372 UnaExp::semantic(sc); | |
| 7373 e1 = resolveProperties(sc, e1); | |
| 7374 | |
| 7375 t1 = e1->type->toBasetype(); | |
| 7376 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 7377 { // Convert to IndexExp | |
| 7378 if (arguments->dim != 1) | |
| 7379 error("only one index allowed to index %s", t1->toChars()); | |
| 7380 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 7381 return e->semantic(sc); | |
| 7382 } | |
| 7383 | |
| 7384 // Run semantic() on each argument | |
| 7385 for (size_t i = 0; i < arguments->dim; i++) | |
| 7386 { e = (Expression *)arguments->data[i]; | |
| 7387 | |
| 7388 e = e->semantic(sc); | |
| 7389 if (!e->type) | |
| 7390 error("%s has no value", e->toChars()); | |
| 7391 arguments->data[i] = (void *)e; | |
| 7392 } | |
| 7393 | |
| 7394 expandTuples(arguments); | |
| 7395 assert(arguments && arguments->dim); | |
| 7396 | |
| 7397 e = op_overload(sc); | |
| 7398 if (!e) | |
| 7399 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 7400 e = e1; | |
| 7401 } | |
| 7402 return e; | |
| 7403 } | |
| 7404 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7405 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7406 int ArrayExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7407 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7408 if (type && type->toBasetype()->ty == Tvoid) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7409 return 0; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7410 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7411 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7412 #endif |
| 159 | 7413 |
| 7414 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 7415 { | |
| 7416 if (type && type->toBasetype()->ty == Tvoid) | |
| 7417 error("voids have no value"); | |
| 7418 return this; | |
| 7419 } | |
| 7420 | |
| 7421 | |
| 7422 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7423 { int i; | |
| 7424 | |
| 7425 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7426 buf->writeByte('['); | |
| 7427 argsToCBuffer(buf, arguments, hgs); | |
| 7428 buf->writeByte(']'); | |
| 7429 } | |
| 7430 | |
| 7431 /************************* DotExp ***********************************/ | |
| 7432 | |
| 7433 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 7434 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 7435 { | |
| 7436 } | |
| 7437 | |
| 7438 Expression *DotExp::semantic(Scope *sc) | |
| 7439 { | |
| 7440 #if LOGSEMANTIC | |
| 7441 printf("DotExp::semantic('%s')\n", toChars()); | |
| 7442 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 7443 #endif | |
| 7444 e1 = e1->semantic(sc); | |
| 7445 e2 = e2->semantic(sc); | |
| 7446 if (e2->op == TOKimport) | |
| 7447 { | |
| 7448 ScopeExp *se = (ScopeExp *)e2; | |
| 7449 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 7450 if (td) | |
| 7451 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 7452 e = e->semantic(sc); | |
| 7453 return e; | |
| 7454 } | |
| 7455 } | |
| 7456 if (!type) | |
| 7457 type = e2->type; | |
| 7458 return this; | |
| 7459 } | |
| 7460 | |
| 7461 | |
| 7462 /************************* CommaExp ***********************************/ | |
| 7463 | |
| 7464 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 7465 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 7466 { | |
| 7467 } | |
| 7468 | |
| 7469 Expression *CommaExp::semantic(Scope *sc) | |
| 7470 { | |
| 7471 if (!type) | |
| 7472 { BinExp::semanticp(sc); | |
| 7473 type = e2->type; | |
| 7474 } | |
| 7475 return this; | |
| 7476 } | |
| 7477 | |
| 7478 void CommaExp::checkEscape() | |
| 7479 { | |
| 7480 e2->checkEscape(); | |
| 7481 } | |
| 7482 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7483 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7484 int CommaExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7485 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7486 return e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7487 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7488 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7489 |
| 159 | 7490 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) |
| 7491 { | |
| 7492 e2 = e2->toLvalue(sc, NULL); | |
| 7493 return this; | |
| 7494 } | |
| 7495 | |
| 7496 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7497 { | |
| 7498 e2 = e2->modifiableLvalue(sc, e); | |
| 7499 return this; | |
| 7500 } | |
| 7501 | |
| 7502 int CommaExp::isBool(int result) | |
| 7503 { | |
| 7504 return e2->isBool(result); | |
| 7505 } | |
| 7506 | |
| 7507 int CommaExp::checkSideEffect(int flag) | |
| 7508 { | |
| 7509 if (flag == 2) | |
| 7510 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7511 else | |
| 7512 { | |
| 7513 // Don't check e1 until we cast(void) the a,b code generation | |
| 7514 return e2->checkSideEffect(flag); | |
| 7515 } | |
| 7516 } | |
| 7517 | |
| 7518 /************************** IndexExp **********************************/ | |
| 7519 | |
| 7520 // e1 [ e2 ] | |
| 7521 | |
| 7522 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7523 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7524 { | |
| 7525 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7526 lengthVar = NULL; | |
| 7527 modifiable = 0; // assume it is an rvalue | |
| 7528 } | |
| 7529 | |
| 7530 Expression *IndexExp::semantic(Scope *sc) | |
| 7531 { Expression *e; | |
| 7532 BinExp *b; | |
| 7533 UnaExp *u; | |
| 7534 Type *t1; | |
| 7535 ScopeDsymbol *sym; | |
| 7536 | |
| 7537 #if LOGSEMANTIC | |
| 7538 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7539 #endif | |
| 7540 if (type) | |
| 7541 return this; | |
| 7542 if (!e1->type) | |
| 7543 e1 = e1->semantic(sc); | |
| 7544 assert(e1->type); // semantic() should already be run on it | |
| 7545 e = this; | |
| 7546 | |
| 7547 // Note that unlike C we do not implement the int[ptr] | |
| 7548 | |
| 7549 t1 = e1->type->toBasetype(); | |
| 7550 | |
| 7551 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7552 { // Create scope for 'length' variable | |
| 7553 sym = new ArrayScopeSymbol(this); | |
| 7554 sym->loc = loc; | |
| 7555 sym->parent = sc->scopesym; | |
| 7556 sc = sc->push(sym); | |
| 7557 } | |
| 7558 | |
| 7559 e2 = e2->semantic(sc); | |
| 7560 if (!e2->type) | |
| 7561 { | |
| 7562 error("%s has no value", e2->toChars()); | |
| 7563 e2->type = Type::terror; | |
| 7564 } | |
| 7565 e2 = resolveProperties(sc, e2); | |
| 7566 | |
| 7567 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7568 sc = sc->pop(); | |
| 7569 | |
| 7570 switch (t1->ty) | |
| 7571 { | |
| 7572 case Tpointer: | |
| 7573 case Tarray: | |
| 7574 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7575 e->type = t1->next; | |
| 7576 break; | |
| 7577 | |
| 7578 case Tsarray: | |
| 7579 { | |
| 7580 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7581 | |
| 7582 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7583 | |
| 7584 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7585 // Do compile time array bounds checking if possible | |
| 7586 e2 = e2->optimize(WANTvalue); | |
| 7587 if (e2->op == TOKint64) | |
| 7588 { | |
| 7589 integer_t index = e2->toInteger(); | |
| 7590 integer_t length = tsa->dim->toInteger(); | |
| 7591 if (index < 0 || index >= length) | |
| 7592 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7593 index, length); | |
| 7594 } | |
| 7595 #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
|
7596 e->type = t1->nextOf(); |
| 159 | 7597 break; |
| 7598 } | |
| 7599 | |
| 7600 case Taarray: | |
| 7601 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7602 | |
| 7603 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7604 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7605 type = taa->next; | |
| 7606 break; | |
| 7607 } | |
| 7608 | |
| 7609 case Ttuple: | |
| 7610 { | |
| 7611 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7612 e2 = e2->optimize(WANTvalue); | |
| 7613 uinteger_t index = e2->toUInteger(); | |
| 7614 size_t length; | |
| 7615 TupleExp *te; | |
| 7616 TypeTuple *tup; | |
| 7617 | |
| 7618 if (e1->op == TOKtuple) | |
| 7619 { te = (TupleExp *)e1; | |
| 7620 length = te->exps->dim; | |
| 7621 } | |
| 7622 else if (e1->op == TOKtype) | |
| 7623 { | |
| 7624 tup = (TypeTuple *)t1; | |
| 7625 length = Argument::dim(tup->arguments); | |
| 7626 } | |
| 7627 else | |
| 7628 assert(0); | |
| 7629 | |
| 7630 if (index < length) | |
| 7631 { | |
| 7632 | |
| 7633 if (e1->op == TOKtuple) | |
| 7634 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7635 else | |
| 7636 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7637 } | |
| 7638 else | |
| 7639 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7640 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
|
7641 index, length); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1012
diff
changeset
|
7642 e = e1; |
| 159 | 7643 } |
| 7644 break; | |
| 7645 } | |
| 7646 | |
| 7647 default: | |
| 7648 error("%s must be an array or pointer type, not %s", | |
| 7649 e1->toChars(), e1->type->toChars()); | |
| 7650 type = Type::tint32; | |
| 7651 break; | |
| 7652 } | |
| 7653 return e; | |
| 7654 } | |
| 7655 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7656 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7657 int IndexExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7658 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7659 return 1; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7660 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7661 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
7662 |
| 159 | 7663 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) |
| 7664 { | |
| 7665 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7666 // error("voids have no value"); | |
| 7667 return this; | |
| 7668 } | |
| 7669 | |
| 7670 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7671 { | |
| 7672 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7673 modifiable = 1; | |
| 7674 if (e1->op == TOKstring) | |
| 7675 error("string literals are immutable"); | |
| 7676 if (e1->type->toBasetype()->ty == Taarray) | |
| 7677 e1 = e1->modifiableLvalue(sc, e1); | |
| 7678 return toLvalue(sc, e); | |
| 7679 } | |
| 7680 | |
| 7681 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7682 { | |
| 7683 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7684 buf->writeByte('['); | |
| 7685 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7686 buf->writeByte(']'); | |
| 7687 } | |
| 7688 | |
| 7689 | |
| 7690 /************************* PostExp ***********************************/ | |
| 7691 | |
| 7692 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7693 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7694 new IntegerExp(loc, 1, Type::tint32)) | |
| 7695 { | |
| 7696 } | |
| 7697 | |
| 7698 Expression *PostExp::semantic(Scope *sc) | |
| 7699 { Expression *e = this; | |
| 7700 | |
| 7701 if (!type) | |
| 7702 { | |
| 7703 BinExp::semantic(sc); | |
| 7704 e2 = resolveProperties(sc, e2); | |
| 7705 | |
| 7706 e = op_overload(sc); | |
| 7707 if (e) | |
| 7708 return e; | |
| 7709 | |
| 7710 e = this; | |
| 7711 e1 = e1->modifiableLvalue(sc, e1); | |
| 7712 e1->checkScalar(); | |
| 7713 e1->checkNoBool(); | |
| 7714 if (e1->type->ty == Tpointer) | |
| 7715 e = scaleFactor(sc); | |
| 7716 else | |
| 7717 e2 = e2->castTo(sc, e1->type); | |
| 7718 e->type = e1->type; | |
| 7719 } | |
| 7720 return e; | |
| 7721 } | |
| 7722 | |
| 7723 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7724 { | |
| 7725 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7726 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7727 } | |
| 7728 | |
| 7729 /************************************************************/ | |
| 7730 | |
| 7731 /* Can be TOKconstruct too */ | |
| 7732 | |
| 7733 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7734 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7735 { | |
| 7736 ismemset = 0; | |
| 7737 } | |
| 7738 | |
| 7739 Expression *AssignExp::semantic(Scope *sc) | |
| 7740 { Type *t1; | |
| 7741 Expression *e1old = e1; | |
| 7742 | |
| 7743 #if LOGSEMANTIC | |
| 7744 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7745 #endif | |
| 7746 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7747 | |
| 7748 /* Look for operator overloading of a[i]=value. | |
| 7749 * Do it before semantic() otherwise the a[i] will have been | |
| 7750 * converted to a.opIndex() already. | |
| 7751 */ | |
| 7752 if (e1->op == TOKarray) | |
| 7753 { Type *t1; | |
| 7754 ArrayExp *ae = (ArrayExp *)e1; | |
| 7755 AggregateDeclaration *ad; | |
| 7756 Identifier *id = Id::index; | |
| 7757 | |
| 7758 ae->e1 = ae->e1->semantic(sc); | |
| 7759 t1 = ae->e1->type->toBasetype(); | |
| 7760 if (t1->ty == Tstruct) | |
| 7761 { | |
| 7762 ad = ((TypeStruct *)t1)->sym; | |
| 7763 goto L1; | |
| 7764 } | |
| 7765 else if (t1->ty == Tclass) | |
| 7766 { | |
| 7767 ad = ((TypeClass *)t1)->sym; | |
| 7768 L1: | |
| 7769 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7770 if (search_function(ad, Id::indexass)) | |
| 7771 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7772 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7773 | |
| 7774 a->insert(0, e2); | |
| 7775 e = new CallExp(loc, e, a); | |
| 7776 e = e->semantic(sc); | |
| 7777 return e; | |
| 7778 } | |
| 7779 else | |
| 7780 { | |
| 7781 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7782 if (search_function(ad, id)) | |
| 7783 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7784 | |
| 7785 if (1 || !global.params.useDeprecated) | |
| 7786 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7787 | |
| 7788 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7789 e = e->semantic(sc); | |
| 7790 return e; | |
| 7791 } | |
| 7792 } | |
| 7793 } | |
| 7794 } | |
| 7795 /* Look for operator overloading of a[i..j]=value. | |
| 7796 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7797 * converted to a.opSlice() already. | |
| 7798 */ | |
| 7799 if (e1->op == TOKslice) | |
| 7800 { Type *t1; | |
| 7801 SliceExp *ae = (SliceExp *)e1; | |
| 7802 AggregateDeclaration *ad; | |
| 7803 Identifier *id = Id::index; | |
| 7804 | |
| 7805 ae->e1 = ae->e1->semantic(sc); | |
| 7806 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7807 t1 = ae->e1->type->toBasetype(); | |
| 7808 if (t1->ty == Tstruct) | |
| 7809 { | |
| 7810 ad = ((TypeStruct *)t1)->sym; | |
| 7811 goto L2; | |
| 7812 } | |
| 7813 else if (t1->ty == Tclass) | |
| 7814 { | |
| 7815 ad = ((TypeClass *)t1)->sym; | |
| 7816 L2: | |
| 7817 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7818 if (search_function(ad, Id::sliceass)) | |
| 7819 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7820 Expressions *a = new Expressions(); | |
| 7821 | |
| 7822 a->push(e2); | |
| 7823 if (ae->lwr) | |
| 7824 { a->push(ae->lwr); | |
| 7825 assert(ae->upr); | |
| 7826 a->push(ae->upr); | |
| 7827 } | |
| 7828 else | |
| 7829 assert(!ae->upr); | |
| 7830 e = new CallExp(loc, e, a); | |
| 7831 e = e->semantic(sc); | |
| 7832 return e; | |
| 7833 } | |
| 7834 } | |
| 7835 } | |
| 7836 | |
| 7837 BinExp::semantic(sc); | |
|
717
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7838 |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7839 if (e1->op == TOKdottd) |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7840 { // 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
|
7841 Expression *e = new CallExp(loc, e1, e2); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7842 e = e->semantic(sc); |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7843 return e; |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7844 } |
|
a26b0c5d5942
Merged DMD 1.036.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
7845 |
| 159 | 7846 e2 = resolveProperties(sc, e2); |
| 7847 assert(e1->type); | |
| 7848 | |
| 7849 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7850 */ | |
| 7851 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7852 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7853 TupleExp *tup2 = (TupleExp *)e2; | |
| 7854 size_t dim = tup1->exps->dim; | |
| 7855 if (dim != tup2->exps->dim) | |
| 7856 { | |
| 7857 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7858 } | |
| 7859 else | |
| 7860 { Expressions *exps = new Expressions; | |
| 7861 exps->setDim(dim); | |
| 7862 | |
| 7863 for (int i = 0; i < dim; i++) | |
| 7864 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7865 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7866 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7867 } | |
| 7868 Expression *e = new TupleExp(loc, exps); | |
| 7869 e = e->semantic(sc); | |
| 7870 return e; | |
| 7871 } | |
| 7872 } | |
| 7873 | |
| 7874 t1 = e1->type->toBasetype(); | |
| 7875 | |
| 7876 if (t1->ty == Tfunction) | |
| 7877 { // Rewrite f=value to f(value) | |
| 7878 Expression *e; | |
| 7879 | |
| 7880 e = new CallExp(loc, e1, e2); | |
| 7881 e = e->semantic(sc); | |
| 7882 return e; | |
| 7883 } | |
| 7884 | |
| 7885 /* If it is an assignment from a 'foreign' type, | |
| 7886 * check for operator overloading. | |
| 7887 */ | |
| 7888 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7889 { | |
| 7890 if (!e2->type->implicitConvTo(e1->type)) | |
| 7891 { | |
| 7892 Expression *e = op_overload(sc); | |
| 7893 if (e) | |
| 7894 return e; | |
| 7895 } | |
| 7896 } | |
| 7897 | |
| 7898 e2->rvalue(); | |
| 7899 | |
| 7900 if (e1->op == TOKarraylength) | |
| 7901 { | |
| 7902 // e1 is not an lvalue, but we let code generator handle it | |
| 7903 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7904 | |
| 7905 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7906 } | |
| 7907 else if (e1->op == TOKslice) | |
| 7908 ; | |
| 7909 else | |
| 7910 { // Try to do a decent error message with the expression | |
| 7911 // before it got constant folded | |
| 7912 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7913 } | |
| 7914 | |
| 7915 if (e1->op == TOKslice && | |
| 7916 t1->nextOf() && | |
| 7917 e2->implicitConvTo(t1->nextOf()) | |
| 7918 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7919 ) | |
| 7920 { // memset | |
| 7921 ismemset = 1; // make it easy for back end to tell what this is | |
| 7922 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7923 } | |
| 7924 else if (t1->ty == Tsarray) | |
| 7925 { | |
| 7926 error("cannot assign to static array %s", e1->toChars()); | |
| 7927 } | |
| 7928 else | |
| 7929 { | |
| 7930 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7931 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7932 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7933 /* 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
|
7934 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7935 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
|
7936 (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
|
7937 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
|
7938 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
|
7939 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
|
7940 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
|
7941 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7942 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
|
7943 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
|
7944 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7945 |
| 159 | 7946 type = e1->type; |
| 7947 assert(type); | |
| 7948 return this; | |
| 7949 } | |
| 7950 | |
| 7951 Expression *AssignExp::checkToBoolean() | |
| 7952 { | |
| 7953 // Things like: | |
| 7954 // if (a = b) ... | |
| 7955 // are usually mistakes. | |
| 7956 | |
| 7957 error("'=' does not give a boolean result"); | |
| 7958 return this; | |
| 7959 } | |
| 7960 | |
| 7961 /************************************************************/ | |
| 7962 | |
| 7963 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7964 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7965 { | |
| 7966 } | |
| 7967 | |
| 7968 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7969 { Expression *e; | |
| 7970 | |
| 7971 if (type) | |
| 7972 return this; | |
| 7973 | |
| 7974 BinExp::semantic(sc); | |
| 7975 e2 = resolveProperties(sc, e2); | |
| 7976 | |
| 7977 e = op_overload(sc); | |
| 7978 if (e) | |
| 7979 return e; | |
| 7980 | |
| 7981 Type *tb1 = e1->type->toBasetype(); | |
| 7982 Type *tb2 = e2->type->toBasetype(); | |
| 7983 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7984 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
|
7985 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7986 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
|
7987 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
|
7988 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
|
7989 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7990 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7991 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7992 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
|
7993 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7994 |
| 159 | 7995 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7996 (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
|
7997 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7998 ) |
| 7999 { | |
| 8000 type = e1->type; | |
| 8001 e = this; | |
| 8002 } | |
| 8003 else | |
| 8004 { | |
| 8005 e1->checkScalar(); | |
| 8006 e1->checkNoBool(); | |
| 8007 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 8008 e = scaleFactor(sc); | |
| 8009 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 8010 { | |
| 8011 #if 0 | |
| 8012 // Need to rethink this | |
| 8013 if (e1->op != TOKvar) | |
| 8014 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 8015 VarDeclaration *v; | |
| 8016 Expression *ea; | |
| 8017 Expression *ex; | |
| 8018 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8019 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 8020 |
| 8021 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 8022 v->semantic(sc); | |
| 8023 if (!sc->insert(v)) | |
| 8024 assert(0); | |
| 8025 v->parent = sc->func; | |
| 8026 | |
| 8027 ea = new AddrExp(loc, e1); | |
| 8028 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 8029 | |
| 8030 ex = new VarExp(loc, v); | |
| 8031 ex = new PtrExp(loc, ex); | |
| 8032 e = new AddExp(loc, ex, e2); | |
| 8033 e = new CastExp(loc, e, e1->type); | |
| 8034 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 8035 | |
| 8036 e = new CommaExp(loc, ea, e); | |
| 8037 } | |
| 8038 else | |
| 8039 #endif | |
| 8040 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 8041 // BUG: doesn't account for side effects in e1 | |
| 8042 // BUG: other assignment operators for bits aren't handled at all | |
| 8043 e = new AddExp(loc, e1, e2); | |
| 8044 e = new CastExp(loc, e, e1->type); | |
| 8045 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 8046 } | |
| 8047 e = e->semantic(sc); | |
| 8048 } | |
| 8049 else | |
| 8050 { | |
| 8051 type = e1->type; | |
| 8052 typeCombine(sc); | |
| 8053 e1->checkArithmetic(); | |
| 8054 e2->checkArithmetic(); | |
| 8055 if (type->isreal() || type->isimaginary()) | |
| 8056 { | |
| 8057 assert(global.errors || e2->type->isfloating()); | |
| 8058 e2 = e2->castTo(sc, e1->type); | |
| 8059 } | |
| 8060 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8061 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8062 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
|
8063 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8064 } |
| 8065 } | |
| 8066 return e; | |
| 8067 } | |
| 8068 | |
| 8069 /************************************************************/ | |
| 8070 | |
| 8071 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8072 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 8073 { | |
| 8074 } | |
| 8075 | |
| 8076 Expression *MinAssignExp::semantic(Scope *sc) | |
| 8077 { Expression *e; | |
| 8078 | |
| 8079 if (type) | |
| 8080 return this; | |
| 8081 | |
| 8082 BinExp::semantic(sc); | |
| 8083 e2 = resolveProperties(sc, e2); | |
| 8084 | |
| 8085 e = op_overload(sc); | |
| 8086 if (e) | |
| 8087 return e; | |
| 8088 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8089 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
|
8090 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8091 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
|
8092 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
|
8093 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
|
8094 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8095 |
| 159 | 8096 e1 = e1->modifiableLvalue(sc, e1); |
| 8097 e1->checkScalar(); | |
| 8098 e1->checkNoBool(); | |
| 8099 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 8100 e = scaleFactor(sc); | |
| 8101 else | |
| 8102 { | |
| 8103 e1 = e1->checkArithmetic(); | |
| 8104 e2 = e2->checkArithmetic(); | |
| 8105 type = e1->type; | |
| 8106 typeCombine(sc); | |
| 8107 if (type->isreal() || type->isimaginary()) | |
| 8108 { | |
| 8109 assert(e2->type->isfloating()); | |
| 8110 e2 = e2->castTo(sc, e1->type); | |
| 8111 } | |
| 8112 e = this; | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8113 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8114 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
|
8115 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8116 } |
| 8117 return e; | |
| 8118 } | |
| 8119 | |
| 8120 /************************************************************/ | |
| 8121 | |
| 8122 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8123 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 8124 { | |
| 8125 } | |
| 8126 | |
| 8127 Expression *CatAssignExp::semantic(Scope *sc) | |
| 8128 { Expression *e; | |
| 8129 | |
| 8130 BinExp::semantic(sc); | |
| 8131 e2 = resolveProperties(sc, e2); | |
| 8132 | |
| 8133 e = op_overload(sc); | |
| 8134 if (e) | |
| 8135 return e; | |
| 8136 | |
| 8137 if (e1->op == TOKslice) | |
| 8138 { SliceExp *se = (SliceExp *)e1; | |
| 8139 | |
| 8140 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 8141 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 8142 } | |
| 8143 | |
| 8144 e1 = e1->modifiableLvalue(sc, e1); | |
| 8145 | |
| 8146 Type *tb1 = e1->type->toBasetype(); | |
| 8147 Type *tb2 = e2->type->toBasetype(); | |
| 8148 | |
| 8149 e2->rvalue(); | |
| 8150 | |
| 8151 if ((tb1->ty == Tarray) && | |
| 8152 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 8153 e2->implicitConvTo(e1->type) | |
| 8154 //e1->type->next->equals(e2->type->next) | |
| 8155 ) | |
| 8156 { // Append array | |
| 8157 e2 = e2->castTo(sc, e1->type); | |
| 8158 type = e1->type; | |
| 8159 e = this; | |
| 8160 } | |
| 8161 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
|
8162 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 8163 ) |
| 8164 { // 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
|
8165 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 8166 type = e1->type; |
| 8167 e = this; | |
| 8168 } | |
| 8169 else | |
| 8170 { | |
| 8171 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 8172 type = Type::tint32; | |
| 8173 e = this; | |
| 8174 } | |
| 8175 return e; | |
| 8176 } | |
| 8177 | |
| 8178 /************************************************************/ | |
| 8179 | |
| 8180 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8181 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 8182 { | |
| 8183 } | |
| 8184 | |
| 8185 Expression *MulAssignExp::semantic(Scope *sc) | |
| 8186 { Expression *e; | |
| 8187 | |
| 8188 BinExp::semantic(sc); | |
| 8189 e2 = resolveProperties(sc, e2); | |
| 8190 | |
| 8191 e = op_overload(sc); | |
| 8192 if (e) | |
| 8193 return e; | |
| 8194 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8195 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
|
8196 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8197 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
|
8198 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
|
8199 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
|
8200 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8201 |
| 159 | 8202 e1 = e1->modifiableLvalue(sc, e1); |
| 8203 e1->checkScalar(); | |
| 8204 e1->checkNoBool(); | |
| 8205 type = e1->type; | |
| 8206 typeCombine(sc); | |
| 8207 e1->checkArithmetic(); | |
| 8208 e2->checkArithmetic(); | |
| 8209 if (e2->type->isfloating()) | |
| 8210 { Type *t1; | |
| 8211 Type *t2; | |
| 8212 | |
| 8213 t1 = e1->type; | |
| 8214 t2 = e2->type; | |
| 8215 if (t1->isreal()) | |
| 8216 { | |
| 8217 if (t2->isimaginary() || t2->iscomplex()) | |
| 8218 { | |
| 8219 e2 = e2->castTo(sc, t1); | |
| 8220 } | |
| 8221 } | |
| 8222 else if (t1->isimaginary()) | |
| 8223 { | |
| 8224 if (t2->isimaginary() || t2->iscomplex()) | |
| 8225 { | |
| 8226 switch (t1->ty) | |
| 8227 { | |
| 8228 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8229 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8230 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8231 default: | |
| 8232 assert(0); | |
| 8233 } | |
| 8234 e2 = e2->castTo(sc, t2); | |
| 8235 } | |
| 8236 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8237 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8238 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
|
8239 error("Cannot assign %s to %s", e2->type->toChars(), type->toChars()); |
| 159 | 8240 } |
| 8241 return this; | |
| 8242 } | |
| 8243 | |
| 8244 /************************************************************/ | |
| 8245 | |
| 8246 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8247 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 8248 { | |
| 8249 } | |
| 8250 | |
| 8251 Expression *DivAssignExp::semantic(Scope *sc) | |
| 8252 { Expression *e; | |
| 8253 | |
| 8254 BinExp::semantic(sc); | |
| 8255 e2 = resolveProperties(sc, e2); | |
| 8256 | |
| 8257 e = op_overload(sc); | |
| 8258 if (e) | |
| 8259 return e; | |
| 8260 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8261 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
|
8262 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8263 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
|
8264 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
|
8265 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
|
8266 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8267 |
| 159 | 8268 e1 = e1->modifiableLvalue(sc, e1); |
| 8269 e1->checkScalar(); | |
| 8270 e1->checkNoBool(); | |
| 8271 type = e1->type; | |
| 8272 typeCombine(sc); | |
| 8273 e1->checkArithmetic(); | |
| 8274 e2->checkArithmetic(); | |
| 8275 if (e2->type->isimaginary()) | |
| 8276 { Type *t1; | |
| 8277 Type *t2; | |
| 8278 | |
| 8279 t1 = e1->type; | |
| 8280 if (t1->isreal()) | |
| 8281 { // x/iv = i(-x/v) | |
| 8282 // Therefore, the result is 0 | |
| 8283 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 8284 e2->type = t1; | |
| 8285 e = new AssignExp(loc, e1, e2); | |
| 8286 e->type = t1; | |
| 8287 return e; | |
| 8288 } | |
| 8289 else if (t1->isimaginary()) | |
| 8290 { Expression *e; | |
| 8291 | |
| 8292 switch (t1->ty) | |
| 8293 { | |
| 8294 case Timaginary32: t2 = Type::tfloat32; break; | |
| 8295 case Timaginary64: t2 = Type::tfloat64; break; | |
| 8296 case Timaginary80: t2 = Type::tfloat80; break; | |
| 8297 default: | |
| 8298 assert(0); | |
| 8299 } | |
| 8300 e2 = e2->castTo(sc, t2); | |
| 8301 e = new AssignExp(loc, e1, e2); | |
| 8302 e->type = t1; | |
| 8303 return e; | |
| 8304 } | |
| 8305 } | |
|
1012
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8306 |
|
39cf8fa483fd
Error gracefully for +=, -=, *=, /= if rhs is complex but lhs isn't.
Christian Kamm <kamm incasoftware de>
parents:
891
diff
changeset
|
8307 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
|
8308 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
|
8309 |
| 159 | 8310 return this; |
| 8311 } | |
| 8312 | |
| 8313 /************************************************************/ | |
| 8314 | |
| 8315 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8316 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 8317 { | |
| 8318 } | |
| 8319 | |
| 8320 Expression *ModAssignExp::semantic(Scope *sc) | |
| 8321 { | |
| 8322 return commonSemanticAssign(sc); | |
| 8323 } | |
| 8324 | |
| 8325 /************************************************************/ | |
| 8326 | |
| 8327 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8328 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 8329 { | |
| 8330 } | |
| 8331 | |
| 8332 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 8333 { Expression *e; | |
| 8334 | |
| 8335 //printf("ShlAssignExp::semantic()\n"); | |
| 8336 BinExp::semantic(sc); | |
| 8337 e2 = resolveProperties(sc, e2); | |
| 8338 | |
| 8339 e = op_overload(sc); | |
| 8340 if (e) | |
| 8341 return e; | |
| 8342 | |
| 8343 e1 = e1->modifiableLvalue(sc, e1); | |
| 8344 e1->checkScalar(); | |
| 8345 e1->checkNoBool(); | |
| 8346 type = e1->type; | |
| 8347 typeCombine(sc); | |
| 8348 e1->checkIntegral(); | |
| 8349 e2 = e2->checkIntegral(); | |
| 8350 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8351 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8352 return this; |
| 8353 } | |
| 8354 | |
| 8355 /************************************************************/ | |
| 8356 | |
| 8357 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8358 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 8359 { | |
| 8360 } | |
| 8361 | |
| 8362 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 8363 { Expression *e; | |
| 8364 | |
| 8365 BinExp::semantic(sc); | |
| 8366 e2 = resolveProperties(sc, e2); | |
| 8367 | |
| 8368 e = op_overload(sc); | |
| 8369 if (e) | |
| 8370 return e; | |
| 8371 | |
| 8372 e1 = e1->modifiableLvalue(sc, e1); | |
| 8373 e1->checkScalar(); | |
| 8374 e1->checkNoBool(); | |
| 8375 type = e1->type; | |
| 8376 typeCombine(sc); | |
| 8377 e1->checkIntegral(); | |
| 8378 e2 = e2->checkIntegral(); | |
| 8379 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8380 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8381 return this; |
| 8382 } | |
| 8383 | |
| 8384 /************************************************************/ | |
| 8385 | |
| 8386 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8387 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 8388 { | |
| 8389 } | |
| 8390 | |
| 8391 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 8392 { Expression *e; | |
| 8393 | |
| 8394 BinExp::semantic(sc); | |
| 8395 e2 = resolveProperties(sc, e2); | |
| 8396 | |
| 8397 e = op_overload(sc); | |
| 8398 if (e) | |
| 8399 return e; | |
| 8400 | |
| 8401 e1 = e1->modifiableLvalue(sc, e1); | |
| 8402 e1->checkScalar(); | |
| 8403 e1->checkNoBool(); | |
| 8404 type = e1->type; | |
| 8405 typeCombine(sc); | |
| 8406 e1->checkIntegral(); | |
| 8407 e2 = e2->checkIntegral(); | |
| 8408 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8409 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8410 return this; |
| 8411 } | |
| 8412 | |
| 8413 /************************************************************/ | |
| 8414 | |
| 8415 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8416 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 8417 { | |
| 8418 } | |
| 8419 | |
| 8420 Expression *AndAssignExp::semantic(Scope *sc) | |
| 8421 { | |
| 8422 return commonSemanticAssignIntegral(sc); | |
| 8423 } | |
| 8424 | |
| 8425 /************************************************************/ | |
| 8426 | |
| 8427 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8428 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 8429 { | |
| 8430 } | |
| 8431 | |
| 8432 Expression *OrAssignExp::semantic(Scope *sc) | |
| 8433 { | |
| 8434 return commonSemanticAssignIntegral(sc); | |
| 8435 } | |
| 8436 | |
| 8437 /************************************************************/ | |
| 8438 | |
| 8439 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 8440 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 8441 { | |
| 8442 } | |
| 8443 | |
| 8444 Expression *XorAssignExp::semantic(Scope *sc) | |
| 8445 { | |
| 8446 return commonSemanticAssignIntegral(sc); | |
| 8447 } | |
| 8448 | |
| 8449 /************************* AddExp *****************************/ | |
| 8450 | |
| 8451 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 8452 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 8453 { | |
| 8454 } | |
| 8455 | |
| 8456 Expression *AddExp::semantic(Scope *sc) | |
| 8457 { Expression *e; | |
| 8458 | |
| 8459 #if LOGSEMANTIC | |
| 8460 printf("AddExp::semantic('%s')\n", toChars()); | |
| 8461 #endif | |
| 8462 if (!type) | |
| 8463 { | |
| 8464 BinExp::semanticp(sc); | |
| 8465 | |
| 8466 e = op_overload(sc); | |
| 8467 if (e) | |
| 8468 return e; | |
| 8469 | |
| 8470 Type *tb1 = e1->type->toBasetype(); | |
| 8471 Type *tb2 = e2->type->toBasetype(); | |
| 8472 | |
| 8473 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 8474 (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
|
8475 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 8476 ) |
| 8477 { | |
| 8478 type = e1->type; | |
| 8479 e = this; | |
| 8480 } | |
| 8481 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 8482 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 8483 e = scaleFactor(sc); | |
| 8484 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 8485 { | |
| 8486 incompatibleTypes(); | |
| 8487 type = e1->type; | |
| 8488 e = this; | |
| 8489 } | |
| 8490 else | |
| 8491 { | |
| 8492 typeCombine(sc); | |
| 8493 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 8494 (e1->type->isimaginary() && e2->type->isreal())) | |
| 8495 { | |
| 8496 switch (type->toBasetype()->ty) | |
| 8497 { | |
| 8498 case Tfloat32: | |
| 8499 case Timaginary32: | |
| 8500 type = Type::tcomplex32; | |
| 8501 break; | |
| 8502 | |
| 8503 case Tfloat64: | |
| 8504 case Timaginary64: | |
| 8505 type = Type::tcomplex64; | |
| 8506 break; | |
| 8507 | |
| 8508 case Tfloat80: | |
| 8509 case Timaginary80: | |
| 8510 type = Type::tcomplex80; | |
| 8511 break; | |
| 8512 | |
| 8513 default: | |
| 8514 assert(0); | |
| 8515 } | |
| 8516 } | |
| 8517 e = this; | |
| 8518 } | |
| 8519 return e; | |
| 8520 } | |
| 8521 return this; | |
| 8522 } | |
| 8523 | |
| 8524 /************************************************************/ | |
| 8525 | |
| 8526 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8527 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8528 { | |
| 8529 } | |
| 8530 | |
| 8531 Expression *MinExp::semantic(Scope *sc) | |
| 8532 { Expression *e; | |
| 8533 Type *t1; | |
| 8534 Type *t2; | |
| 8535 | |
| 8536 #if LOGSEMANTIC | |
| 8537 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8538 #endif | |
| 8539 if (type) | |
| 8540 return this; | |
| 8541 | |
| 8542 BinExp::semanticp(sc); | |
| 8543 | |
| 8544 e = op_overload(sc); | |
| 8545 if (e) | |
| 8546 return e; | |
| 8547 | |
| 8548 e = this; | |
| 8549 t1 = e1->type->toBasetype(); | |
| 8550 t2 = e2->type->toBasetype(); | |
| 8551 if (t1->ty == Tpointer) | |
| 8552 { | |
| 8553 if (t2->ty == Tpointer) | |
| 8554 { // Need to divide the result by the stride | |
| 8555 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8556 d_int64 stride; | |
| 8557 Expression *e; | |
| 8558 | |
| 8559 typeCombine(sc); // make sure pointer types are compatible | |
| 8560 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
|
8561 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
|
8562 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
|
8563 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8564 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
|
8565 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8566 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8567 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8568 e = 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
|
8569 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
|
8570 } |
| 159 | 8571 return e; |
| 8572 } | |
| 8573 else if (t2->isintegral()) | |
| 8574 e = scaleFactor(sc); | |
| 8575 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
|
8576 { error("incompatible types for minus"); |
| 159 | 8577 return new IntegerExp(0); |
| 8578 } | |
| 8579 } | |
| 8580 else if (t2->ty == Tpointer) | |
| 8581 { | |
| 8582 type = e2->type; | |
| 8583 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8584 return new IntegerExp(0); | |
| 8585 } | |
| 8586 else | |
| 8587 { | |
| 8588 typeCombine(sc); | |
| 8589 t1 = e1->type->toBasetype(); | |
| 8590 t2 = e2->type->toBasetype(); | |
| 8591 if ((t1->isreal() && t2->isimaginary()) || | |
| 8592 (t1->isimaginary() && t2->isreal())) | |
| 8593 { | |
| 8594 switch (type->ty) | |
| 8595 { | |
| 8596 case Tfloat32: | |
| 8597 case Timaginary32: | |
| 8598 type = Type::tcomplex32; | |
| 8599 break; | |
| 8600 | |
| 8601 case Tfloat64: | |
| 8602 case Timaginary64: | |
| 8603 type = Type::tcomplex64; | |
| 8604 break; | |
| 8605 | |
| 8606 case Tfloat80: | |
| 8607 case Timaginary80: | |
| 8608 type = Type::tcomplex80; | |
| 8609 break; | |
| 8610 | |
| 8611 default: | |
| 8612 assert(0); | |
| 8613 } | |
| 8614 } | |
| 8615 } | |
| 8616 return e; | |
| 8617 } | |
| 8618 | |
| 8619 /************************* CatExp *****************************/ | |
| 8620 | |
| 8621 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8622 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8623 { | |
| 8624 } | |
| 8625 | |
| 8626 Expression *CatExp::semantic(Scope *sc) | |
| 8627 { Expression *e; | |
| 8628 | |
| 8629 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8630 if (!type) | |
| 8631 { | |
| 8632 BinExp::semanticp(sc); | |
| 8633 e = op_overload(sc); | |
| 8634 if (e) | |
| 8635 return e; | |
| 8636 | |
| 8637 Type *tb1 = e1->type->toBasetype(); | |
| 8638 Type *tb2 = e2->type->toBasetype(); | |
| 8639 | |
| 8640 | |
| 8641 /* BUG: Should handle things like: | |
| 8642 * char c; | |
| 8643 * c ~ ' ' | |
| 8644 * ' ' ~ c; | |
| 8645 */ | |
| 8646 | |
| 8647 #if 0 | |
| 8648 e1->type->print(); | |
| 8649 e2->type->print(); | |
| 8650 #endif | |
| 8651 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8652 e2->type->equals(tb1->next)) | |
| 8653 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8654 type = tb1->nextOf()->arrayOf(); |
| 159 | 8655 if (tb2->ty == Tarray) |
| 8656 { // Make e2 into [e2] | |
| 8657 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8658 e2->type = type; | |
| 8659 } | |
| 8660 return this; | |
| 8661 } | |
| 8662 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8663 e1->type->equals(tb2->next)) | |
| 8664 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8665 type = tb2->nextOf()->arrayOf(); |
| 159 | 8666 if (tb1->ty == Tarray) |
| 8667 { // Make e1 into [e1] | |
| 8668 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8669 e1->type = type; | |
| 8670 } | |
| 8671 return this; | |
| 8672 } | |
| 8673 | |
| 8674 typeCombine(sc); | |
| 8675 | |
| 8676 if (type->toBasetype()->ty == Tsarray) | |
| 8677 type = type->toBasetype()->next->arrayOf(); | |
| 8678 #if 0 | |
| 8679 e1->type->print(); | |
| 8680 e2->type->print(); | |
| 8681 type->print(); | |
| 8682 print(); | |
| 8683 #endif | |
| 8684 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8685 e = optimize(WANTvalue); | |
| 8686 else if (e1->type->equals(e2->type) && | |
| 8687 (e1->type->toBasetype()->ty == Tarray || | |
| 8688 e1->type->toBasetype()->ty == Tsarray)) | |
| 8689 { | |
| 8690 e = this; | |
| 8691 } | |
| 8692 else | |
| 8693 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8694 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8695 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8696 e1->type->toChars(), e2->type->toChars()); | |
| 8697 type = Type::tint32; | |
| 8698 e = this; | |
| 8699 } | |
| 8700 e->type = e->type->semantic(loc, sc); | |
| 8701 return e; | |
| 8702 } | |
| 8703 return this; | |
| 8704 } | |
| 8705 | |
| 8706 /************************************************************/ | |
| 8707 | |
| 8708 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8709 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8710 { | |
| 8711 } | |
| 8712 | |
| 8713 Expression *MulExp::semantic(Scope *sc) | |
| 8714 { Expression *e; | |
| 8715 | |
| 8716 #if 0 | |
| 8717 printf("MulExp::semantic() %s\n", toChars()); | |
| 8718 #endif | |
| 8719 if (type) | |
| 8720 { | |
| 8721 return this; | |
| 8722 } | |
| 8723 | |
| 8724 BinExp::semanticp(sc); | |
| 8725 e = op_overload(sc); | |
| 8726 if (e) | |
| 8727 return e; | |
| 8728 | |
| 8729 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
|
8730 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
|
8731 { 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
|
8732 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
|
8733 } |
| 159 | 8734 if (type->isfloating()) |
| 8735 { Type *t1 = e1->type; | |
| 8736 Type *t2 = e2->type; | |
| 8737 | |
| 8738 if (t1->isreal()) | |
| 8739 { | |
| 8740 type = t2; | |
| 8741 } | |
| 8742 else if (t2->isreal()) | |
| 8743 { | |
| 8744 type = t1; | |
| 8745 } | |
| 8746 else if (t1->isimaginary()) | |
| 8747 { | |
| 8748 if (t2->isimaginary()) | |
| 8749 { Expression *e; | |
| 8750 | |
| 8751 switch (t1->ty) | |
| 8752 { | |
| 8753 case Timaginary32: type = Type::tfloat32; break; | |
| 8754 case Timaginary64: type = Type::tfloat64; break; | |
| 8755 case Timaginary80: type = Type::tfloat80; break; | |
| 8756 default: assert(0); | |
| 8757 } | |
| 8758 | |
| 8759 // iy * iv = -yv | |
| 8760 e1->type = type; | |
| 8761 e2->type = type; | |
| 8762 e = new NegExp(loc, this); | |
| 8763 e = e->semantic(sc); | |
| 8764 return e; | |
| 8765 } | |
| 8766 else | |
| 8767 type = t2; // t2 is complex | |
| 8768 } | |
| 8769 else if (t2->isimaginary()) | |
| 8770 { | |
| 8771 type = t1; // t1 is complex | |
| 8772 } | |
| 8773 } | |
| 8774 return this; | |
| 8775 } | |
| 8776 | |
| 8777 /************************************************************/ | |
| 8778 | |
| 8779 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8780 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8781 { | |
| 8782 } | |
| 8783 | |
| 8784 Expression *DivExp::semantic(Scope *sc) | |
| 8785 { Expression *e; | |
| 8786 | |
| 8787 if (type) | |
| 8788 return this; | |
| 8789 | |
| 8790 BinExp::semanticp(sc); | |
| 8791 e = op_overload(sc); | |
| 8792 if (e) | |
| 8793 return e; | |
| 8794 | |
| 8795 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
|
8796 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
|
8797 { 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
|
8798 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
|
8799 } |
| 159 | 8800 if (type->isfloating()) |
| 8801 { Type *t1 = e1->type; | |
| 8802 Type *t2 = e2->type; | |
| 8803 | |
| 8804 if (t1->isreal()) | |
| 8805 { | |
| 8806 type = t2; | |
| 8807 if (t2->isimaginary()) | |
| 8808 { Expression *e; | |
| 8809 | |
| 8810 // x/iv = i(-x/v) | |
| 8811 e2->type = t1; | |
| 8812 e = new NegExp(loc, this); | |
| 8813 e = e->semantic(sc); | |
| 8814 return e; | |
| 8815 } | |
| 8816 } | |
| 8817 else if (t2->isreal()) | |
| 8818 { | |
| 8819 type = t1; | |
| 8820 } | |
| 8821 else if (t1->isimaginary()) | |
| 8822 { | |
| 8823 if (t2->isimaginary()) | |
| 8824 { | |
| 8825 switch (t1->ty) | |
| 8826 { | |
| 8827 case Timaginary32: type = Type::tfloat32; break; | |
| 8828 case Timaginary64: type = Type::tfloat64; break; | |
| 8829 case Timaginary80: type = Type::tfloat80; break; | |
| 8830 default: assert(0); | |
| 8831 } | |
| 8832 } | |
| 8833 else | |
| 8834 type = t2; // t2 is complex | |
| 8835 } | |
| 8836 else if (t2->isimaginary()) | |
| 8837 { | |
| 8838 type = t1; // t1 is complex | |
| 8839 } | |
| 8840 } | |
| 8841 return this; | |
| 8842 } | |
| 8843 | |
| 8844 /************************************************************/ | |
| 8845 | |
| 8846 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8847 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8848 { | |
| 8849 } | |
| 8850 | |
| 8851 Expression *ModExp::semantic(Scope *sc) | |
| 8852 { Expression *e; | |
| 8853 | |
| 8854 if (type) | |
| 8855 return this; | |
| 8856 | |
| 8857 BinExp::semanticp(sc); | |
| 8858 e = op_overload(sc); | |
| 8859 if (e) | |
| 8860 return e; | |
| 8861 | |
| 8862 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
|
8863 if (e1->op != TOKslice && e2->op != TOKslice) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
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parents:
486
diff
changeset
|
8864 { 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
|
8865 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
|
8866 } |
| 159 | 8867 if (type->isfloating()) |
| 8868 { type = e1->type; | |
| 8869 if (e2->type->iscomplex()) | |
| 8870 { error("cannot perform modulo complex arithmetic"); | |
| 8871 return new IntegerExp(0); | |
| 8872 } | |
| 8873 } | |
| 8874 return this; | |
| 8875 } | |
| 8876 | |
| 8877 /************************************************************/ | |
| 8878 | |
| 8879 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8880 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8881 { | |
| 8882 } | |
| 8883 | |
| 8884 Expression *ShlExp::semantic(Scope *sc) | |
| 8885 { Expression *e; | |
| 8886 | |
| 8887 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8888 if (!type) | |
| 8889 { BinExp::semanticp(sc); | |
| 8890 e = op_overload(sc); | |
| 8891 if (e) | |
| 8892 return e; | |
| 8893 e1 = e1->checkIntegral(); | |
| 8894 e2 = e2->checkIntegral(); | |
| 8895 e1 = e1->integralPromotions(sc); | |
| 8896 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
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parents:
639
diff
changeset
|
8897 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8898 type = e1->type; |
| 8899 } | |
| 8900 return this; | |
| 8901 } | |
| 8902 | |
| 8903 /************************************************************/ | |
| 8904 | |
| 8905 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8906 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8907 { | |
| 8908 } | |
| 8909 | |
| 8910 Expression *ShrExp::semantic(Scope *sc) | |
| 8911 { Expression *e; | |
| 8912 | |
| 8913 if (!type) | |
| 8914 { BinExp::semanticp(sc); | |
| 8915 e = op_overload(sc); | |
| 8916 if (e) | |
| 8917 return e; | |
| 8918 e1 = e1->checkIntegral(); | |
| 8919 e2 = e2->checkIntegral(); | |
| 8920 e1 = e1->integralPromotions(sc); | |
| 8921 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8922 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8923 type = e1->type; |
| 8924 } | |
| 8925 return this; | |
| 8926 } | |
| 8927 | |
| 8928 /************************************************************/ | |
| 8929 | |
| 8930 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8931 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8932 { | |
| 8933 } | |
| 8934 | |
| 8935 Expression *UshrExp::semantic(Scope *sc) | |
| 8936 { Expression *e; | |
| 8937 | |
| 8938 if (!type) | |
| 8939 { BinExp::semanticp(sc); | |
| 8940 e = op_overload(sc); | |
| 8941 if (e) | |
| 8942 return e; | |
| 8943 e1 = e1->checkIntegral(); | |
| 8944 e2 = e2->checkIntegral(); | |
| 8945 e1 = e1->integralPromotions(sc); | |
| 8946 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
8947 e2 = e2->castTo(sc, e1->type); // LDC |
| 159 | 8948 type = e1->type; |
| 8949 } | |
| 8950 return this; | |
| 8951 } | |
| 8952 | |
| 8953 /************************************************************/ | |
| 8954 | |
| 8955 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8956 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8957 { | |
| 8958 } | |
| 8959 | |
| 8960 Expression *AndExp::semantic(Scope *sc) | |
| 8961 { Expression *e; | |
| 8962 | |
| 8963 if (!type) | |
| 8964 { BinExp::semanticp(sc); | |
| 8965 e = op_overload(sc); | |
| 8966 if (e) | |
| 8967 return e; | |
| 8968 if (e1->type->toBasetype()->ty == Tbool && | |
| 8969 e2->type->toBasetype()->ty == Tbool) | |
| 8970 { | |
| 8971 type = e1->type; | |
| 8972 e = this; | |
| 8973 } | |
| 8974 else | |
| 8975 { | |
| 8976 typeCombine(sc); | |
|
510
6aee82889553
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8977 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
|
8978 { 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
|
8979 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
|
8980 } |
| 159 | 8981 } |
| 8982 } | |
| 8983 return this; | |
| 8984 } | |
| 8985 | |
| 8986 /************************************************************/ | |
| 8987 | |
| 8988 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8989 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8990 { | |
| 8991 } | |
| 8992 | |
| 8993 Expression *OrExp::semantic(Scope *sc) | |
| 8994 { Expression *e; | |
| 8995 | |
| 8996 if (!type) | |
| 8997 { BinExp::semanticp(sc); | |
| 8998 e = op_overload(sc); | |
| 8999 if (e) | |
| 9000 return e; | |
| 9001 if (e1->type->toBasetype()->ty == Tbool && | |
| 9002 e2->type->toBasetype()->ty == Tbool) | |
| 9003 { | |
| 9004 type = e1->type; | |
| 9005 e = this; | |
| 9006 } | |
| 9007 else | |
| 9008 { | |
| 9009 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
|
9010 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
|
9011 { 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
|
9012 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
|
9013 } |
| 159 | 9014 } |
| 9015 } | |
| 9016 return this; | |
| 9017 } | |
| 9018 | |
| 9019 /************************************************************/ | |
| 9020 | |
| 9021 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 9022 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 9023 { | |
| 9024 } | |
| 9025 | |
| 9026 Expression *XorExp::semantic(Scope *sc) | |
| 9027 { Expression *e; | |
| 9028 | |
| 9029 if (!type) | |
| 9030 { BinExp::semanticp(sc); | |
| 9031 e = op_overload(sc); | |
| 9032 if (e) | |
| 9033 return e; | |
| 9034 if (e1->type->toBasetype()->ty == Tbool && | |
| 9035 e2->type->toBasetype()->ty == Tbool) | |
| 9036 { | |
| 9037 type = e1->type; | |
| 9038 e = this; | |
| 9039 } | |
| 9040 else | |
| 9041 { | |
| 9042 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
|
9043 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
|
9044 { 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
|
9045 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
|
9046 } |
| 159 | 9047 } |
| 9048 } | |
| 9049 return this; | |
| 9050 } | |
| 9051 | |
| 9052 | |
| 9053 /************************************************************/ | |
| 9054 | |
| 9055 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 9056 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 9057 { | |
| 9058 } | |
| 9059 | |
| 9060 Expression *OrOrExp::semantic(Scope *sc) | |
| 9061 { | |
| 9062 unsigned cs1; | |
| 9063 | |
| 9064 // same as for AndAnd | |
| 9065 e1 = e1->semantic(sc); | |
| 9066 e1 = resolveProperties(sc, e1); | |
| 9067 e1 = e1->checkToPointer(); | |
| 9068 e1 = e1->checkToBoolean(); | |
| 9069 cs1 = sc->callSuper; | |
| 9070 | |
| 9071 if (sc->flags & SCOPEstaticif) | |
| 9072 { | |
| 9073 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9074 */ | |
| 9075 e1 = e1->optimize(WANTflags); | |
| 9076 if (e1->isBool(TRUE)) | |
| 9077 { | |
| 9078 return new IntegerExp(loc, 1, Type::tboolean); | |
| 9079 } | |
| 9080 } | |
| 9081 | |
| 9082 e2 = e2->semantic(sc); | |
| 9083 sc->mergeCallSuper(loc, cs1); | |
| 9084 e2 = resolveProperties(sc, e2); | |
| 9085 e2 = e2->checkToPointer(); | |
| 9086 | |
| 9087 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
|
9088 if (e2->type->ty == Tvoid) |
| 159 | 9089 type = Type::tvoid; |
| 9090 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9091 error("%s is not an expression", e2->toChars()); | |
| 9092 return this; | |
| 9093 } | |
| 9094 | |
| 9095 Expression *OrOrExp::checkToBoolean() | |
| 9096 { | |
| 9097 e2 = e2->checkToBoolean(); | |
| 9098 return this; | |
| 9099 } | |
| 9100 | |
| 9101 int OrOrExp::isBit() | |
| 9102 { | |
| 9103 return TRUE; | |
| 9104 } | |
| 9105 | |
| 9106 int OrOrExp::checkSideEffect(int flag) | |
| 9107 { | |
| 9108 if (flag == 2) | |
| 9109 { | |
| 9110 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9111 } | |
| 9112 else | |
| 9113 { e1->checkSideEffect(1); | |
| 9114 return e2->checkSideEffect(flag); | |
| 9115 } | |
| 9116 } | |
| 9117 | |
| 9118 /************************************************************/ | |
| 9119 | |
| 9120 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 9121 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 9122 { | |
| 9123 } | |
| 9124 | |
| 9125 Expression *AndAndExp::semantic(Scope *sc) | |
| 9126 { | |
| 9127 unsigned cs1; | |
| 9128 | |
| 9129 // same as for OrOr | |
| 9130 e1 = e1->semantic(sc); | |
| 9131 e1 = resolveProperties(sc, e1); | |
| 9132 e1 = e1->checkToPointer(); | |
| 9133 e1 = e1->checkToBoolean(); | |
| 9134 cs1 = sc->callSuper; | |
| 9135 | |
| 9136 if (sc->flags & SCOPEstaticif) | |
| 9137 { | |
| 9138 /* If in static if, don't evaluate e2 if we don't have to. | |
| 9139 */ | |
| 9140 e1 = e1->optimize(WANTflags); | |
| 9141 if (e1->isBool(FALSE)) | |
| 9142 { | |
| 9143 return new IntegerExp(loc, 0, Type::tboolean); | |
| 9144 } | |
| 9145 } | |
| 9146 | |
| 9147 e2 = e2->semantic(sc); | |
| 9148 sc->mergeCallSuper(loc, cs1); | |
| 9149 e2 = resolveProperties(sc, e2); | |
| 9150 e2 = e2->checkToPointer(); | |
| 9151 | |
| 9152 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
|
9153 if (e2->type->ty == Tvoid) |
| 159 | 9154 type = Type::tvoid; |
| 9155 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 9156 error("%s is not an expression", e2->toChars()); | |
| 9157 return this; | |
| 9158 } | |
| 9159 | |
| 9160 Expression *AndAndExp::checkToBoolean() | |
| 9161 { | |
| 9162 e2 = e2->checkToBoolean(); | |
| 9163 return this; | |
| 9164 } | |
| 9165 | |
| 9166 int AndAndExp::isBit() | |
| 9167 { | |
| 9168 return TRUE; | |
| 9169 } | |
| 9170 | |
| 9171 int AndAndExp::checkSideEffect(int flag) | |
| 9172 { | |
| 9173 if (flag == 2) | |
| 9174 { | |
| 9175 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 9176 } | |
| 9177 else | |
| 9178 { | |
| 9179 e1->checkSideEffect(1); | |
| 9180 return e2->checkSideEffect(flag); | |
| 9181 } | |
| 9182 } | |
| 9183 | |
| 9184 /************************************************************/ | |
| 9185 | |
| 9186 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 9187 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 9188 { | |
| 9189 } | |
| 9190 | |
| 9191 Expression *InExp::semantic(Scope *sc) | |
| 9192 { Expression *e; | |
| 9193 | |
| 9194 if (type) | |
| 9195 return this; | |
| 9196 | |
| 9197 BinExp::semanticp(sc); | |
| 9198 e = op_overload(sc); | |
| 9199 if (e) | |
| 9200 return e; | |
| 9201 | |
| 9202 //type = Type::tboolean; | |
| 9203 Type *t2b = e2->type->toBasetype(); | |
| 9204 if (t2b->ty != Taarray) | |
| 9205 { | |
| 9206 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 9207 type = Type::terror; | |
| 9208 } | |
| 9209 else | |
| 9210 { | |
| 9211 TypeAArray *ta = (TypeAArray *)t2b; | |
| 9212 | |
| 9213 // Convert key to type of key | |
| 9214 e1 = e1->implicitCastTo(sc, ta->index); | |
| 9215 | |
| 9216 // 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
|
9217 type = ta->nextOf()->pointerTo(); |
| 159 | 9218 } |
| 9219 return this; | |
| 9220 } | |
| 9221 | |
| 9222 int InExp::isBit() | |
| 9223 { | |
| 9224 return FALSE; | |
| 9225 } | |
| 9226 | |
| 9227 | |
| 9228 /************************************************************/ | |
| 9229 | |
| 9230 /* This deletes the key e1 from the associative array e2 | |
| 9231 */ | |
| 9232 | |
| 9233 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 9234 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 9235 { | |
| 9236 type = Type::tvoid; | |
| 9237 } | |
| 9238 | |
| 9239 /************************************************************/ | |
| 9240 | |
| 9241 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9242 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 9243 { | |
| 9244 } | |
| 9245 | |
| 9246 Expression *CmpExp::semantic(Scope *sc) | |
| 9247 { Expression *e; | |
| 9248 Type *t1; | |
| 9249 Type *t2; | |
| 9250 | |
| 9251 #if LOGSEMANTIC | |
| 9252 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 9253 #endif | |
| 9254 if (type) | |
| 9255 return this; | |
| 9256 | |
| 9257 BinExp::semanticp(sc); | |
| 9258 | |
| 9259 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9260 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9261 { | |
| 9262 error("do not use null when comparing class types"); | |
| 9263 } | |
| 9264 | |
| 9265 e = op_overload(sc); | |
| 9266 if (e) | |
| 9267 { | |
| 9268 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 9269 e = e->semantic(sc); | |
| 9270 return e; | |
| 9271 } | |
| 9272 | |
| 9273 typeCombine(sc); | |
| 9274 type = Type::tboolean; | |
| 9275 | |
| 9276 // Special handling for array comparisons | |
| 9277 t1 = e1->type->toBasetype(); | |
| 9278 t2 = e2->type->toBasetype(); | |
| 9279 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9280 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9281 { | |
| 9282 if (!t1->next->equals(t2->next)) | |
| 9283 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9284 e = this; | |
| 9285 } | |
| 9286 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 9287 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 9288 { | |
| 9289 if (t2->ty == Tstruct) | |
| 9290 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 9291 else | |
| 9292 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 9293 e = this; | |
| 9294 } | |
| 9295 #if 1 | |
| 9296 else if (t1->iscomplex() || t2->iscomplex()) | |
| 9297 { | |
| 9298 error("compare not defined for complex operands"); | |
| 9299 e = new IntegerExp(0); | |
| 9300 } | |
| 9301 #endif | |
| 9302 else | |
| 9303 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
|
9304 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 9305 return e; |
| 9306 } | |
| 9307 | |
| 9308 int CmpExp::isBit() | |
| 9309 { | |
| 9310 return TRUE; | |
| 9311 } | |
| 9312 | |
| 9313 | |
| 9314 /************************************************************/ | |
| 9315 | |
| 9316 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9317 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 9318 { | |
| 9319 assert(op == TOKequal || op == TOKnotequal); | |
| 9320 } | |
| 9321 | |
| 9322 Expression *EqualExp::semantic(Scope *sc) | |
| 9323 { Expression *e; | |
| 9324 Type *t1; | |
| 9325 Type *t2; | |
| 9326 | |
| 9327 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 9328 if (type) | |
| 9329 return this; | |
| 9330 | |
| 9331 BinExp::semanticp(sc); | |
| 9332 | |
| 9333 /* Before checking for operator overloading, check to see if we're | |
| 9334 * comparing the addresses of two statics. If so, we can just see | |
| 9335 * if they are the same symbol. | |
| 9336 */ | |
| 9337 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 9338 { AddrExp *ae1 = (AddrExp *)e1; | |
| 9339 AddrExp *ae2 = (AddrExp *)e2; | |
| 9340 | |
| 9341 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 9342 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 9343 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 9344 | |
| 9345 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 9346 { | |
| 9347 // They are the same, result is 'true' for ==, 'false' for != | |
| 9348 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 9349 return e; | |
| 9350 } | |
| 9351 } | |
| 9352 } | |
| 9353 | |
| 9354 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 9355 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 9356 { | |
| 9357 error("use '%s' instead of '%s' when comparing with null", | |
| 9358 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 9359 Token::toChars(op)); | |
| 9360 } | |
| 9361 | |
| 9362 //if (e2->op != TOKnull) | |
| 9363 { | |
| 9364 e = op_overload(sc); | |
| 9365 if (e) | |
| 9366 { | |
| 9367 if (op == TOKnotequal) | |
| 9368 { | |
| 9369 e = new NotExp(e->loc, e); | |
| 9370 e = e->semantic(sc); | |
| 9371 } | |
| 9372 return e; | |
| 9373 } | |
| 9374 } | |
| 9375 | |
| 9376 e = typeCombine(sc); | |
| 9377 type = Type::tboolean; | |
| 9378 | |
| 9379 // Special handling for array comparisons | |
| 9380 t1 = e1->type->toBasetype(); | |
| 9381 t2 = e2->type->toBasetype(); | |
| 9382 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 9383 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 9384 { | |
| 9385 if (!t1->next->equals(t2->next)) | |
| 9386 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 9387 } | |
| 9388 else | |
| 9389 { | |
| 9390 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9391 { | |
| 9392 // Cast both to complex | |
| 9393 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9394 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9395 } | |
| 9396 } | |
| 9397 return e; | |
| 9398 } | |
| 9399 | |
| 9400 int EqualExp::isBit() | |
| 9401 { | |
| 9402 return TRUE; | |
| 9403 } | |
| 9404 | |
| 9405 | |
| 9406 | |
| 9407 /************************************************************/ | |
| 9408 | |
| 9409 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 9410 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 9411 { | |
| 9412 } | |
| 9413 | |
| 9414 Expression *IdentityExp::semantic(Scope *sc) | |
| 9415 { | |
| 9416 if (type) | |
| 9417 return this; | |
| 9418 | |
| 9419 BinExp::semanticp(sc); | |
| 9420 type = Type::tboolean; | |
| 9421 typeCombine(sc); | |
| 9422 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 9423 { | |
| 9424 // Cast both to complex | |
| 9425 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 9426 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 9427 } | |
| 9428 return this; | |
| 9429 } | |
| 9430 | |
| 9431 int IdentityExp::isBit() | |
| 9432 { | |
| 9433 return TRUE; | |
| 9434 } | |
| 9435 | |
| 9436 | |
| 9437 /****************************************************************/ | |
| 9438 | |
| 9439 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 9440 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 9441 { | |
| 9442 this->econd = econd; | |
| 9443 } | |
| 9444 | |
| 9445 Expression *CondExp::syntaxCopy() | |
| 9446 { | |
| 9447 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 9448 } | |
| 9449 | |
| 9450 | |
| 9451 Expression *CondExp::semantic(Scope *sc) | |
| 9452 { Type *t1; | |
| 9453 Type *t2; | |
| 9454 unsigned cs0; | |
| 9455 unsigned cs1; | |
| 9456 | |
| 9457 #if LOGSEMANTIC | |
| 9458 printf("CondExp::semantic('%s')\n", toChars()); | |
| 9459 #endif | |
| 9460 if (type) | |
| 9461 return this; | |
| 9462 | |
| 9463 econd = econd->semantic(sc); | |
| 9464 econd = resolveProperties(sc, econd); | |
| 9465 econd = econd->checkToPointer(); | |
| 9466 econd = econd->checkToBoolean(); | |
| 9467 | |
| 9468 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 9469 * both contribute to the type of the result. | |
| 9470 */ | |
| 9471 if (sc->flags & SCOPEstaticif) | |
| 9472 { | |
| 9473 /* If in static if, don't evaluate what we don't have to. | |
| 9474 */ | |
| 9475 econd = econd->optimize(WANTflags); | |
| 9476 if (econd->isBool(TRUE)) | |
| 9477 { | |
| 9478 e1 = e1->semantic(sc); | |
| 9479 e1 = resolveProperties(sc, e1); | |
| 9480 return e1; | |
| 9481 } | |
| 9482 else if (econd->isBool(FALSE)) | |
| 9483 { | |
| 9484 e2 = e2->semantic(sc); | |
| 9485 e2 = resolveProperties(sc, e2); | |
| 9486 return e2; | |
| 9487 } | |
| 9488 } | |
| 9489 #endif | |
| 9490 | |
| 9491 | |
| 9492 cs0 = sc->callSuper; | |
| 9493 e1 = e1->semantic(sc); | |
| 9494 e1 = resolveProperties(sc, e1); | |
| 9495 cs1 = sc->callSuper; | |
| 9496 sc->callSuper = cs0; | |
| 9497 e2 = e2->semantic(sc); | |
| 9498 e2 = resolveProperties(sc, e2); | |
| 9499 sc->mergeCallSuper(loc, cs1); | |
| 9500 | |
| 9501 | |
| 9502 // If either operand is void, the result is void | |
| 9503 t1 = e1->type; | |
| 9504 t2 = e2->type; | |
| 9505 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 9506 type = Type::tvoid; | |
| 9507 else if (t1 == t2) | |
| 9508 type = t1; | |
| 9509 else | |
| 9510 { | |
| 9511 typeCombine(sc); | |
| 9512 switch (e1->type->toBasetype()->ty) | |
| 9513 { | |
| 9514 case Tcomplex32: | |
| 9515 case Tcomplex64: | |
| 9516 case Tcomplex80: | |
| 9517 e2 = e2->castTo(sc, e1->type); | |
| 9518 break; | |
| 9519 } | |
| 9520 switch (e2->type->toBasetype()->ty) | |
| 9521 { | |
| 9522 case Tcomplex32: | |
| 9523 case Tcomplex64: | |
| 9524 case Tcomplex80: | |
| 9525 e1 = e1->castTo(sc, e2->type); | |
| 9526 break; | |
| 9527 } | |
| 9528 } | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
9529 #if 0 |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9530 printf("res: %s\n", type->toChars()); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9531 printf("e1 : %s\n", e1->type->toChars()); |
|
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9532 printf("e2 : %s\n", e2->type->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9533 #endif |
| 159 | 9534 return this; |
| 9535 } | |
| 9536 | |
|
875
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Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9537 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
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parents:
846
diff
changeset
|
9538 int CondExp::isLvalue() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9539 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9540 return e1->isLvalue() && e2->isLvalue(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9541 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9542 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9543 |
| 159 | 9544 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) |
| 9545 { | |
| 9546 PtrExp *e; | |
| 9547 | |
| 9548 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9549 e = new PtrExp(loc, this, type); | |
| 9550 | |
| 9551 e1 = e1->addressOf(sc); | |
| 9552 //e1 = e1->toLvalue(sc, NULL); | |
| 9553 | |
| 9554 e2 = e2->addressOf(sc); | |
| 9555 //e2 = e2->toLvalue(sc, NULL); | |
| 9556 | |
| 9557 typeCombine(sc); | |
| 9558 | |
| 9559 type = e2->type; | |
| 9560 return e; | |
| 9561 } | |
| 9562 | |
| 9563 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9564 { | |
| 9565 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9566 return this; | |
| 9567 } | |
| 9568 | |
| 9569 void CondExp::checkEscape() | |
| 9570 { | |
| 9571 e1->checkEscape(); | |
| 9572 e2->checkEscape(); | |
| 9573 } | |
| 9574 | |
| 9575 | |
| 9576 Expression *CondExp::checkToBoolean() | |
| 9577 { | |
| 9578 e1 = e1->checkToBoolean(); | |
| 9579 e2 = e2->checkToBoolean(); | |
| 9580 return this; | |
| 9581 } | |
| 9582 | |
| 9583 int CondExp::checkSideEffect(int flag) | |
| 9584 { | |
| 9585 if (flag == 2) | |
| 9586 { | |
| 9587 return econd->checkSideEffect(2) || | |
| 9588 e1->checkSideEffect(2) || | |
| 9589 e2->checkSideEffect(2); | |
| 9590 } | |
| 9591 else | |
| 9592 { | |
| 9593 econd->checkSideEffect(1); | |
| 9594 e1->checkSideEffect(flag); | |
| 9595 return e2->checkSideEffect(flag); | |
| 9596 } | |
| 9597 } | |
| 9598 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
9599 #if DMDV2 |
|
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Merged DMD 1.038
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diff
changeset
|
9600 int CondExp::canThrow() |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9601 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9602 return econd->canThrow() || e1->canThrow() || e2->canThrow(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9603 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
846
diff
changeset
|
9604 #endif |
|
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Merged DMD 1.038
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parents:
846
diff
changeset
|
9605 |
| 159 | 9606 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) |
| 9607 { | |
| 9608 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9609 buf->writestring(" ? "); | |
| 9610 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9611 buf->writestring(" : "); | |
| 9612 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9613 } | |
| 9614 | |
|
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
|
9615 /************************************************************/ |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9616 |
|
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 #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:
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diff
changeset
|
9618 |
|
664
eef8ac26c66c
Some missed LLVMDC -> LDC.
Christian Kamm <kamm incasoftware de>
parents:
639
diff
changeset
|
9619 // 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
|
9620 |
|
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 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
|
9622 : 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
|
9623 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9624 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
|
9625 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
|
9626 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9627 |
|
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 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
|
9629 { |
|
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 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
|
9631 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
|
9632 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
|
9633 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9634 |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9635 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
|
9636 { |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9637 // 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
|
9638 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
|
9639 } |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9640 |
|
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 #endif |