Mercurial > projects > ldc
annotate dmd/expression.c @ 632:df196c8dea26
Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
| author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
|---|---|
| date | Wed, 01 Oct 2008 23:17:14 +0200 |
| parents | 4435f57956e7 |
| children | 8aebdf56c455 |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2008 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <ctype.h> | |
| 14 #include <assert.h> | |
| 15 #include <complex> | |
| 16 #include <math.h> | |
| 17 | |
| 18 #if _WIN32 && __DMC__ | |
| 19 extern "C" char * __cdecl __locale_decpoint; | |
| 20 #endif | |
| 21 | |
|
285
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
22 #if __MINGW32__ |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
23 #ifndef isnan |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
24 #define isnan _isnan |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
25 #endif |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
26 #endif |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
163
diff
changeset
|
27 |
|
536
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
28 #ifdef __APPLE__ |
|
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
29 #ifndef isnan |
|
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
30 int isnan(double); |
|
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
31 #endif |
|
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
32 #endif |
|
0d2db7efa105
Add isnan for __APPLE__ and darwin version ident for OSX.
Christian Kamm <kamm incasoftware de>
parents:
535
diff
changeset
|
33 |
| 159 | 34 #if IN_GCC |
| 35 // Issues with using -include total.h (defines integer_t) and then complex.h fails... | |
| 36 #undef integer_t | |
| 37 #endif | |
| 38 | |
| 39 #ifdef __APPLE__ | |
| 40 #define integer_t dmd_integer_t | |
| 41 #endif | |
| 42 | |
| 43 #if IN_GCC || IN_LLVM | |
| 44 #include "mem.h" | |
| 45 #elif _WIN32 | |
| 46 #include "..\root\mem.h" | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
536
diff
changeset
|
47 #elif POSIX |
| 159 | 48 #include "../root/mem.h" |
| 49 #endif | |
| 50 | |
| 51 //#include "port.h" | |
| 52 #include "mtype.h" | |
| 53 #include "init.h" | |
| 54 #include "expression.h" | |
| 55 #include "template.h" | |
| 56 #include "utf.h" | |
| 57 #include "enum.h" | |
| 58 #include "scope.h" | |
| 59 #include "statement.h" | |
| 60 #include "declaration.h" | |
| 61 #include "aggregate.h" | |
| 62 #include "import.h" | |
| 63 #include "id.h" | |
| 64 #include "dsymbol.h" | |
| 65 #include "module.h" | |
| 66 #include "attrib.h" | |
| 67 #include "hdrgen.h" | |
| 68 #include "parse.h" | |
| 69 | |
| 70 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim); | |
| 71 | |
| 72 #define LOGSEMANTIC 0 | |
| 73 | |
| 74 /********************************** | |
| 75 * Set operator precedence for each operator. | |
| 76 */ | |
| 77 | |
| 78 // Operator precedence - greater values are higher precedence | |
| 79 | |
| 80 enum PREC | |
| 81 { | |
| 82 PREC_zero, | |
| 83 PREC_expr, | |
| 84 PREC_assign, | |
| 85 PREC_cond, | |
| 86 PREC_oror, | |
| 87 PREC_andand, | |
| 88 PREC_or, | |
| 89 PREC_xor, | |
| 90 PREC_and, | |
| 91 PREC_equal, | |
| 92 PREC_rel, | |
| 93 PREC_shift, | |
| 94 PREC_add, | |
| 95 PREC_mul, | |
| 96 PREC_unary, | |
| 97 PREC_primary, | |
| 98 }; | |
| 99 | |
| 100 enum PREC precedence[TOKMAX]; | |
| 101 | |
| 102 void initPrecedence() | |
| 103 { | |
| 104 precedence[TOKdotvar] = PREC_primary; | |
| 105 precedence[TOKimport] = PREC_primary; | |
| 106 precedence[TOKidentifier] = PREC_primary; | |
| 107 precedence[TOKthis] = PREC_primary; | |
| 108 precedence[TOKsuper] = PREC_primary; | |
| 109 precedence[TOKint64] = PREC_primary; | |
| 110 precedence[TOKfloat64] = PREC_primary; | |
| 111 precedence[TOKnull] = PREC_primary; | |
| 112 precedence[TOKstring] = PREC_primary; | |
| 113 precedence[TOKarrayliteral] = PREC_primary; | |
| 114 precedence[TOKtypedot] = PREC_primary; | |
| 115 precedence[TOKtypeid] = PREC_primary; | |
| 116 precedence[TOKis] = PREC_primary; | |
| 117 precedence[TOKassert] = PREC_primary; | |
| 118 precedence[TOKfunction] = PREC_primary; | |
| 119 precedence[TOKvar] = PREC_primary; | |
| 336 | 120 #if DMDV2 |
| 121 precedence[TOKdefault] = PREC_primary; | |
| 122 #endif | |
| 159 | 123 |
| 124 // post | |
| 125 precedence[TOKdotti] = PREC_primary; | |
| 126 precedence[TOKdot] = PREC_primary; | |
| 127 // precedence[TOKarrow] = PREC_primary; | |
| 128 precedence[TOKplusplus] = PREC_primary; | |
| 129 precedence[TOKminusminus] = PREC_primary; | |
| 130 precedence[TOKcall] = PREC_primary; | |
| 131 precedence[TOKslice] = PREC_primary; | |
| 132 precedence[TOKarray] = PREC_primary; | |
| 133 | |
| 134 precedence[TOKaddress] = PREC_unary; | |
| 135 precedence[TOKstar] = PREC_unary; | |
| 136 precedence[TOKneg] = PREC_unary; | |
| 137 precedence[TOKuadd] = PREC_unary; | |
| 138 precedence[TOKnot] = PREC_unary; | |
| 139 precedence[TOKtobool] = PREC_add; | |
| 140 precedence[TOKtilde] = PREC_unary; | |
| 141 precedence[TOKdelete] = PREC_unary; | |
| 142 precedence[TOKnew] = PREC_unary; | |
| 143 precedence[TOKcast] = PREC_unary; | |
| 144 | |
| 145 precedence[TOKmul] = PREC_mul; | |
| 146 precedence[TOKdiv] = PREC_mul; | |
| 147 precedence[TOKmod] = PREC_mul; | |
| 148 | |
| 149 precedence[TOKadd] = PREC_add; | |
| 150 precedence[TOKmin] = PREC_add; | |
| 151 precedence[TOKcat] = PREC_add; | |
| 152 | |
| 153 precedence[TOKshl] = PREC_shift; | |
| 154 precedence[TOKshr] = PREC_shift; | |
| 155 precedence[TOKushr] = PREC_shift; | |
| 156 | |
| 157 precedence[TOKlt] = PREC_rel; | |
| 158 precedence[TOKle] = PREC_rel; | |
| 159 precedence[TOKgt] = PREC_rel; | |
| 160 precedence[TOKge] = PREC_rel; | |
| 161 precedence[TOKunord] = PREC_rel; | |
| 162 precedence[TOKlg] = PREC_rel; | |
| 163 precedence[TOKleg] = PREC_rel; | |
| 164 precedence[TOKule] = PREC_rel; | |
| 165 precedence[TOKul] = PREC_rel; | |
| 166 precedence[TOKuge] = PREC_rel; | |
| 167 precedence[TOKug] = PREC_rel; | |
| 168 precedence[TOKue] = PREC_rel; | |
| 169 precedence[TOKin] = PREC_rel; | |
| 170 | |
| 171 precedence[TOKequal] = PREC_equal; | |
| 172 precedence[TOKnotequal] = PREC_equal; | |
| 173 precedence[TOKidentity] = PREC_equal; | |
| 174 precedence[TOKnotidentity] = PREC_equal; | |
| 175 | |
| 176 precedence[TOKand] = PREC_and; | |
| 177 | |
| 178 precedence[TOKxor] = PREC_xor; | |
| 179 | |
| 180 precedence[TOKor] = PREC_or; | |
| 181 | |
| 182 precedence[TOKandand] = PREC_andand; | |
| 183 | |
| 184 precedence[TOKoror] = PREC_oror; | |
| 185 | |
| 186 precedence[TOKquestion] = PREC_cond; | |
| 187 | |
| 188 precedence[TOKassign] = PREC_assign; | |
| 189 precedence[TOKconstruct] = PREC_assign; | |
| 190 precedence[TOKblit] = PREC_assign; | |
| 191 precedence[TOKaddass] = PREC_assign; | |
| 192 precedence[TOKminass] = PREC_assign; | |
| 193 precedence[TOKcatass] = PREC_assign; | |
| 194 precedence[TOKmulass] = PREC_assign; | |
| 195 precedence[TOKdivass] = PREC_assign; | |
| 196 precedence[TOKmodass] = PREC_assign; | |
| 197 precedence[TOKshlass] = PREC_assign; | |
| 198 precedence[TOKshrass] = PREC_assign; | |
| 199 precedence[TOKushrass] = PREC_assign; | |
| 200 precedence[TOKandass] = PREC_assign; | |
| 201 precedence[TOKorass] = PREC_assign; | |
| 202 precedence[TOKxorass] = PREC_assign; | |
| 203 | |
| 204 precedence[TOKcomma] = PREC_expr; | |
| 205 } | |
| 206 | |
| 336 | 207 /************************************************************* |
| 208 * Given var, we need to get the | |
| 209 * right 'this' pointer if var is in an outer class, but our | |
| 210 * existing 'this' pointer is in an inner class. | |
| 211 * Input: | |
| 212 * e1 existing 'this' | |
| 213 * ad struct or class we need the correct 'this' for | |
| 214 * var the specific member of ad we're accessing | |
| 215 */ | |
| 216 | |
| 217 Expression *getRightThis(Loc loc, Scope *sc, AggregateDeclaration *ad, | |
| 218 Expression *e1, Declaration *var) | |
| 219 { | |
| 220 //printf("\ngetRightThis(e1 = %s, ad = %s, var = %s)\n", e1->toChars(), ad->toChars(), var->toChars()); | |
| 221 L1: | |
| 222 Type *t = e1->type->toBasetype(); | |
| 223 //printf("e1->type = %s, var->type = %s\n", e1->type->toChars(), var->type->toChars()); | |
| 224 | |
| 225 /* If e1 is not the 'this' pointer for ad | |
| 226 */ | |
| 227 if (ad && | |
| 228 !(t->ty == Tpointer && t->nextOf()->ty == Tstruct && | |
| 229 ((TypeStruct *)t->nextOf())->sym == ad) | |
| 230 && | |
| 231 !(t->ty == Tstruct && | |
| 232 ((TypeStruct *)t)->sym == ad) | |
| 233 ) | |
| 234 { | |
| 235 ClassDeclaration *cd = ad->isClassDeclaration(); | |
| 236 ClassDeclaration *tcd = t->isClassHandle(); | |
| 237 | |
| 238 /* e1 is the right this if ad is a base class of e1 | |
| 239 */ | |
| 240 if (!cd || !tcd || | |
| 241 !(tcd == cd || cd->isBaseOf(tcd, NULL)) | |
| 242 ) | |
| 243 { | |
| 244 /* Only classes can be inner classes with an 'outer' | |
| 245 * member pointing to the enclosing class instance | |
| 246 */ | |
| 247 if (tcd && tcd->isNested()) | |
| 248 { /* e1 is the 'this' pointer for an inner class: tcd. | |
| 249 * Rewrite it as the 'this' pointer for the outer class. | |
| 250 */ | |
| 251 | |
| 252 e1 = new DotVarExp(loc, e1, tcd->vthis); | |
| 253 e1->type = tcd->vthis->type; | |
| 254 // Do not call checkNestedRef() | |
| 255 //e1 = e1->semantic(sc); | |
| 256 | |
| 257 // Skip up over nested functions, and get the enclosing | |
| 258 // class type. | |
| 259 int n = 0; | |
| 260 Dsymbol *s; | |
| 261 for (s = tcd->toParent(); | |
| 262 s && s->isFuncDeclaration(); | |
| 263 s = s->toParent()) | |
| 264 { FuncDeclaration *f = s->isFuncDeclaration(); | |
| 265 if (f->vthis) | |
| 266 { | |
| 267 //printf("rewriting e1 to %s's this\n", f->toChars()); | |
| 268 n++; | |
|
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
|
269 |
|
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
|
270 // LLVMDC seems dmd misses it sometimes here :/ |
|
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
|
271 f->vthis->nestedref = 1; |
|
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
|
272 |
| 336 | 273 e1 = new VarExp(loc, f->vthis); |
| 274 } | |
| 275 } | |
| 276 if (s && s->isClassDeclaration()) | |
| 277 { e1->type = s->isClassDeclaration()->type; | |
| 278 if (n > 1) | |
| 279 e1 = e1->semantic(sc); | |
| 280 } | |
| 281 else | |
| 282 e1 = e1->semantic(sc); | |
| 283 goto L1; | |
| 284 } | |
| 285 /* Can't find a path from e1 to ad | |
| 286 */ | |
| 287 e1->error("this for %s needs to be type %s not type %s", | |
| 288 var->toChars(), ad->toChars(), t->toChars()); | |
| 289 } | |
| 290 } | |
| 291 return e1; | |
| 292 } | |
| 293 | |
| 159 | 294 /***************************************** |
| 295 * Determine if 'this' is available. | |
| 296 * If it is, return the FuncDeclaration that has it. | |
| 297 */ | |
| 298 | |
| 299 FuncDeclaration *hasThis(Scope *sc) | |
| 300 { FuncDeclaration *fd; | |
| 301 FuncDeclaration *fdthis; | |
| 302 | |
| 303 //printf("hasThis()\n"); | |
| 304 fdthis = sc->parent->isFuncDeclaration(); | |
| 305 //printf("fdthis = %p, '%s'\n", fdthis, fdthis ? fdthis->toChars() : ""); | |
| 306 | |
| 307 // Go upwards until we find the enclosing member function | |
| 308 fd = fdthis; | |
| 309 while (1) | |
| 310 { | |
| 311 if (!fd) | |
| 312 { | |
| 313 goto Lno; | |
| 314 } | |
| 315 if (!fd->isNested()) | |
| 316 break; | |
| 317 | |
| 318 Dsymbol *parent = fd->parent; | |
| 319 while (parent) | |
| 320 { | |
| 321 TemplateInstance *ti = parent->isTemplateInstance(); | |
| 322 if (ti) | |
| 323 parent = ti->parent; | |
| 324 else | |
| 325 break; | |
| 326 } | |
| 327 | |
| 328 fd = fd->parent->isFuncDeclaration(); | |
| 329 } | |
| 330 | |
| 331 if (!fd->isThis()) | |
| 332 { //printf("test '%s'\n", fd->toChars()); | |
| 333 goto Lno; | |
| 334 } | |
| 335 | |
| 336 assert(fd->vthis); | |
| 337 return fd; | |
| 338 | |
| 339 Lno: | |
| 340 return NULL; // don't have 'this' available | |
| 341 } | |
| 342 | |
| 343 | |
| 344 /*************************************** | |
| 345 * Pull out any properties. | |
| 346 */ | |
| 347 | |
| 348 Expression *resolveProperties(Scope *sc, Expression *e) | |
| 349 { | |
| 350 //printf("resolveProperties(%s)\n", e->toChars()); | |
| 351 if (e->type) | |
| 352 { | |
| 353 Type *t = e->type->toBasetype(); | |
| 354 | |
| 355 if (t->ty == Tfunction) | |
| 356 { | |
| 357 e = new CallExp(e->loc, e); | |
| 358 e = e->semantic(sc); | |
| 359 } | |
| 360 | |
| 361 /* Look for e being a lazy parameter; rewrite as delegate call | |
| 362 */ | |
| 363 else if (e->op == TOKvar) | |
| 364 { VarExp *ve = (VarExp *)e; | |
| 365 | |
| 366 if (ve->var->storage_class & STClazy) | |
| 367 { | |
| 368 e = new CallExp(e->loc, e); | |
| 369 e = e->semantic(sc); | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 else if (e->op == TOKdotexp) | |
| 374 { | |
| 375 e->error("expression has no value"); | |
| 376 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
377 |
| 159 | 378 } |
| 379 return e; | |
| 380 } | |
| 381 | |
| 382 /****************************** | |
| 383 * Perform semantic() on an array of Expressions. | |
| 384 */ | |
| 385 | |
| 386 void arrayExpressionSemantic(Expressions *exps, Scope *sc) | |
| 387 { | |
| 388 if (exps) | |
| 389 { | |
| 390 for (size_t i = 0; i < exps->dim; i++) | |
| 391 { Expression *e = (Expression *)exps->data[i]; | |
| 392 | |
| 393 e = e->semantic(sc); | |
| 394 exps->data[i] = (void *)e; | |
| 395 } | |
| 396 } | |
| 397 } | |
| 398 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
399 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
400 /****************************** |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
401 * Perform canThrow() on an array of Expressions. |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
402 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
403 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
404 #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
|
405 int arrayExpressionCanThrow(Expressions *exps) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
406 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
407 if (exps) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
408 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
409 for (size_t 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
|
410 { Expression *e = (Expression *)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
|
411 if (e && e->canThrow()) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
412 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
|
413 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
414 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
415 return 0; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
416 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
417 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
418 |
| 159 | 419 /**************************************** |
| 420 * Expand tuples. | |
| 421 */ | |
| 422 | |
| 423 void expandTuples(Expressions *exps) | |
| 424 { | |
| 425 //printf("expandTuples()\n"); | |
| 426 if (exps) | |
| 427 { | |
| 428 for (size_t i = 0; i < exps->dim; i++) | |
| 429 { Expression *arg = (Expression *)exps->data[i]; | |
| 430 if (!arg) | |
| 431 continue; | |
| 432 | |
| 433 // Look for tuple with 0 members | |
| 434 if (arg->op == TOKtype) | |
| 435 { TypeExp *e = (TypeExp *)arg; | |
| 436 if (e->type->toBasetype()->ty == Ttuple) | |
| 437 { TypeTuple *tt = (TypeTuple *)e->type->toBasetype(); | |
| 438 | |
| 439 if (!tt->arguments || tt->arguments->dim == 0) | |
| 440 { | |
| 441 exps->remove(i); | |
| 442 if (i == exps->dim) | |
| 443 return; | |
| 444 i--; | |
| 445 continue; | |
| 446 } | |
| 447 } | |
| 448 } | |
| 449 | |
| 450 // Inline expand all the tuples | |
| 451 while (arg->op == TOKtuple) | |
| 452 { TupleExp *te = (TupleExp *)arg; | |
| 453 | |
| 454 exps->remove(i); // remove arg | |
| 455 exps->insert(i, te->exps); // replace with tuple contents | |
| 456 if (i == exps->dim) | |
| 457 return; // empty tuple, no more arguments | |
| 458 arg = (Expression *)exps->data[i]; | |
| 459 } | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 /**************************************** | |
| 465 * Preprocess arguments to function. | |
| 466 */ | |
| 467 | |
| 468 void preFunctionArguments(Loc loc, Scope *sc, Expressions *exps) | |
| 469 { | |
| 470 if (exps) | |
| 471 { | |
| 472 expandTuples(exps); | |
| 473 | |
| 474 for (size_t i = 0; i < exps->dim; i++) | |
| 475 { Expression *arg = (Expression *)exps->data[i]; | |
| 476 | |
| 477 if (!arg->type) | |
| 478 { | |
| 479 #ifdef DEBUG | |
| 480 if (!global.gag) | |
| 481 printf("1: \n"); | |
| 482 #endif | |
| 483 arg->error("%s is not an expression", arg->toChars()); | |
| 484 arg = new IntegerExp(arg->loc, 0, Type::tint32); | |
| 485 } | |
| 486 | |
| 487 arg = resolveProperties(sc, arg); | |
| 488 exps->data[i] = (void *) arg; | |
| 489 | |
| 490 //arg->rvalue(); | |
| 491 #if 0 | |
| 492 if (arg->type->ty == Tfunction) | |
| 493 { | |
| 494 arg = new AddrExp(arg->loc, arg); | |
| 495 arg = arg->semantic(sc); | |
| 496 exps->data[i] = (void *) arg; | |
| 497 } | |
| 498 #endif | |
| 499 } | |
| 500 } | |
| 501 } | |
| 502 | |
| 336 | 503 /********************************************* |
| 504 * Call copy constructor for struct value argument. | |
| 505 */ | |
| 506 #if DMDV2 | |
| 507 Expression *callCpCtor(Loc loc, Scope *sc, Expression *e) | |
| 508 { | |
| 509 Type *tb = e->type->toBasetype(); | |
| 510 assert(tb->ty == Tstruct); | |
| 511 StructDeclaration *sd = ((TypeStruct *)tb)->sym; | |
| 512 if (sd->cpctor) | |
| 513 { | |
| 514 /* Create a variable tmp, and replace the argument e with: | |
| 515 * (tmp = e),tmp | |
| 516 * and let AssignExp() handle the construction. | |
| 517 * This is not the most efficent, ideally tmp would be constructed | |
| 518 * directly onto the stack. | |
| 519 */ | |
| 520 Identifier *idtmp = Lexer::uniqueId("__tmp"); | |
| 521 VarDeclaration *tmp = new VarDeclaration(loc, tb, idtmp, new ExpInitializer(0, e)); | |
| 522 Expression *ae = new DeclarationExp(loc, tmp); | |
| 523 e = new CommaExp(loc, ae, new VarExp(loc, tmp)); | |
| 524 e = e->semantic(sc); | |
| 525 } | |
| 526 return e; | |
| 527 } | |
| 528 #endif | |
| 159 | 529 |
| 530 /**************************************** | |
| 531 * Now that we know the exact type of the function we're calling, | |
| 532 * the arguments[] need to be adjusted: | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
533 * 1. implicitly convert argument to the corresponding parameter type |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
534 * 2. add default arguments for any missing arguments |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
535 * 3. do default promotions on arguments corresponding to ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
536 * 4. add hidden _arguments[] argument |
| 159 | 537 */ |
| 538 | |
| 539 void functionArguments(Loc loc, Scope *sc, TypeFunction *tf, Expressions *arguments) | |
| 540 { | |
| 541 unsigned n; | |
| 542 int done; | |
| 543 Type *tb; | |
| 544 | |
| 545 //printf("functionArguments()\n"); | |
| 546 assert(arguments); | |
| 547 size_t nargs = arguments ? arguments->dim : 0; | |
| 548 size_t nparams = Argument::dim(tf->parameters); | |
| 549 | |
| 550 if (nargs > nparams && tf->varargs == 0) | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
551 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 552 |
| 553 n = (nargs > nparams) ? nargs : nparams; // n = max(nargs, nparams) | |
| 554 | |
| 555 done = 0; | |
| 556 for (size_t i = 0; i < n; i++) | |
| 557 { | |
| 558 Expression *arg; | |
| 559 | |
| 560 if (i < nargs) | |
| 561 arg = (Expression *)arguments->data[i]; | |
| 562 else | |
| 563 arg = NULL; | |
| 564 | |
| 565 if (i < nparams) | |
| 566 { | |
| 567 Argument *p = Argument::getNth(tf->parameters, i); | |
| 568 | |
| 569 if (!arg) | |
| 570 { | |
| 571 if (!p->defaultArg) | |
| 572 { | |
| 573 if (tf->varargs == 2 && i + 1 == nparams) | |
| 574 goto L2; | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
575 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 576 break; |
| 577 } | |
| 336 | 578 arg = p->defaultArg; |
| 579 #if DMDV2 | |
| 580 if (arg->op == TOKdefault) | |
| 581 { DefaultInitExp *de = (DefaultInitExp *)arg; | |
| 582 arg = de->resolve(loc, sc); | |
| 583 } | |
| 584 else | |
| 585 #endif | |
| 586 arg = arg->copy(); | |
| 159 | 587 arguments->push(arg); |
| 588 nargs++; | |
| 589 } | |
| 590 | |
| 591 if (tf->varargs == 2 && i + 1 == nparams) | |
| 592 { | |
| 593 //printf("\t\tvarargs == 2, p->type = '%s'\n", p->type->toChars()); | |
| 594 if (arg->implicitConvTo(p->type)) | |
| 595 { | |
| 596 if (nargs != nparams) | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
597 error(loc, "expected %"PRIuSIZE" arguments, not %"PRIuSIZE, nparams, nargs); |
| 159 | 598 goto L1; |
| 599 } | |
| 600 L2: | |
| 601 Type *tb = p->type->toBasetype(); | |
| 602 Type *tret = p->isLazyArray(); | |
| 603 switch (tb->ty) | |
| 604 { | |
| 605 case Tsarray: | |
| 606 case Tarray: | |
| 607 { // Create a static array variable v of type arg->type | |
| 608 #ifdef IN_GCC | |
| 609 /* GCC 4.0 does not like zero length arrays used like | |
| 610 this; pass a null array value instead. Could also | |
| 611 just make a one-element array. */ | |
| 612 if (nargs - i == 0) | |
| 613 { | |
| 614 arg = new NullExp(loc); | |
| 615 break; | |
| 616 } | |
| 617 #endif | |
| 618 static int idn; | |
| 619 char name[10 + sizeof(idn)*3 + 1]; | |
| 620 sprintf(name, "__arrayArg%d", ++idn); | |
| 621 Identifier *id = Lexer::idPool(name); | |
| 622 Type *t = new TypeSArray(tb->next, new IntegerExp(nargs - i)); | |
| 623 t = t->semantic(loc, sc); | |
| 624 VarDeclaration *v = new VarDeclaration(loc, t, id, new VoidInitializer(loc)); | |
| 625 v->semantic(sc); | |
| 626 v->parent = sc->parent; | |
| 627 //sc->insert(v); | |
| 628 | |
| 629 Expression *c = new DeclarationExp(0, v); | |
| 630 c->type = v->type; | |
| 631 | |
| 632 for (size_t u = i; u < nargs; u++) | |
| 633 { Expression *a = (Expression *)arguments->data[u]; | |
| 634 if (tret && !tb->next->equals(a->type)) | |
| 635 a = a->toDelegate(sc, tret); | |
| 636 | |
| 637 Expression *e = new VarExp(loc, v); | |
| 638 e = new IndexExp(loc, e, new IntegerExp(u + 1 - nparams)); | |
| 639 e = new AssignExp(loc, e, a); | |
| 640 if (c) | |
| 641 c = new CommaExp(loc, c, e); | |
| 642 else | |
| 643 c = e; | |
| 644 } | |
| 645 arg = new VarExp(loc, v); | |
| 646 if (c) | |
| 647 arg = new CommaExp(loc, c, arg); | |
| 648 break; | |
| 649 } | |
| 650 case Tclass: | |
| 651 { /* Set arg to be: | |
| 652 * new Tclass(arg0, arg1, ..., argn) | |
| 653 */ | |
| 654 Expressions *args = new Expressions(); | |
| 655 args->setDim(nargs - i); | |
| 656 for (size_t u = i; u < nargs; u++) | |
| 657 args->data[u - i] = arguments->data[u]; | |
| 658 arg = new NewExp(loc, NULL, NULL, p->type, args); | |
| 659 break; | |
| 660 } | |
| 661 default: | |
| 662 if (!arg) | |
| 663 { error(loc, "not enough arguments"); | |
| 664 return; | |
| 665 } | |
| 666 break; | |
| 667 } | |
| 668 arg = arg->semantic(sc); | |
| 669 //printf("\targ = '%s'\n", arg->toChars()); | |
| 670 arguments->setDim(i + 1); | |
| 671 done = 1; | |
| 672 } | |
| 673 | |
| 674 L1: | |
| 675 if (!(p->storageClass & STClazy && p->type->ty == Tvoid)) | |
| 676 arg = arg->implicitCastTo(sc, p->type); | |
| 677 if (p->storageClass & (STCout | STCref)) | |
| 678 { | |
| 679 // BUG: should check that argument to ref is type 'invariant' | |
| 680 // BUG: assignments to ref should also be type 'invariant' | |
| 681 arg = arg->modifiableLvalue(sc, arg); | |
| 682 | |
| 683 //if (arg->op == TOKslice) | |
| 684 //arg->error("cannot modify slice %s", arg->toChars()); | |
| 685 } | |
| 686 | |
| 687 // Convert static arrays to pointers | |
| 688 tb = arg->type->toBasetype(); | |
| 689 if (tb->ty == Tsarray) | |
| 690 { | |
| 691 arg = arg->checkToPointer(); | |
| 692 } | |
| 693 | |
| 694 // Convert lazy argument to a delegate | |
| 695 if (p->storageClass & STClazy) | |
| 696 { | |
| 697 arg = arg->toDelegate(sc, p->type); | |
| 698 } | |
| 699 } | |
| 700 else | |
| 701 { | |
| 702 | |
| 703 // If not D linkage, do promotions | |
| 704 if (tf->linkage != LINKd) | |
| 705 { | |
| 706 // Promote bytes, words, etc., to ints | |
| 707 arg = arg->integralPromotions(sc); | |
| 708 | |
| 709 // Promote floats to doubles | |
| 710 switch (arg->type->ty) | |
| 711 { | |
| 712 case Tfloat32: | |
| 713 arg = arg->castTo(sc, Type::tfloat64); | |
| 714 break; | |
| 715 | |
| 716 case Timaginary32: | |
| 717 arg = arg->castTo(sc, Type::timaginary64); | |
| 718 break; | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 // Convert static arrays to dynamic arrays | |
| 723 tb = arg->type->toBasetype(); | |
| 724 if (tb->ty == Tsarray) | |
| 725 { TypeSArray *ts = (TypeSArray *)tb; | |
| 336 | 726 Type *ta = ts->next->arrayOf(); |
| 159 | 727 if (ts->size(arg->loc) == 0) |
| 728 { arg = new NullExp(arg->loc); | |
| 729 arg->type = ta; | |
| 730 } | |
| 731 else | |
| 732 arg = arg->castTo(sc, ta); | |
| 733 } | |
| 336 | 734 #if DMDV2 |
| 735 if (tb->ty == Tstruct) | |
| 736 { | |
| 737 arg = callCpCtor(loc, sc, arg); | |
| 738 } | |
| 739 | |
| 740 // Give error for overloaded function addresses | |
| 741 if (arg->op == TOKsymoff) | |
| 742 { SymOffExp *se = (SymOffExp *)arg; | |
| 743 if (se->hasOverloads && !se->var->isFuncDeclaration()->isUnique()) | |
| 744 arg->error("function %s is overloaded", arg->toChars()); | |
| 745 } | |
| 746 #endif | |
| 159 | 747 arg->rvalue(); |
| 748 } | |
| 749 arg = arg->optimize(WANTvalue); | |
| 750 arguments->data[i] = (void *) arg; | |
| 751 if (done) | |
| 752 break; | |
| 753 } | |
| 754 | |
| 755 #if !IN_LLVM | |
| 756 // If D linkage and variadic, add _arguments[] as first argument | |
| 757 if (tf->linkage == LINKd && tf->varargs == 1) | |
| 758 { | |
| 759 Expression *e; | |
| 760 | |
| 761 e = createTypeInfoArray(sc, (Expression **)&arguments->data[nparams], | |
| 762 arguments->dim - nparams); | |
| 763 arguments->insert(0, e); | |
| 764 } | |
| 765 #endif | |
| 766 } | |
| 767 | |
| 768 /************************************************** | |
| 769 * Write expression out to buf, but wrap it | |
| 770 * in ( ) if its precedence is less than pr. | |
| 771 */ | |
| 772 | |
| 773 void expToCBuffer(OutBuffer *buf, HdrGenState *hgs, Expression *e, enum PREC pr) | |
| 774 { | |
| 336 | 775 //if (precedence[e->op] == 0) e->dump(0); |
| 159 | 776 if (precedence[e->op] < pr) |
| 777 { | |
| 778 buf->writeByte('('); | |
| 779 e->toCBuffer(buf, hgs); | |
| 780 buf->writeByte(')'); | |
| 781 } | |
| 782 else | |
| 783 e->toCBuffer(buf, hgs); | |
| 784 } | |
| 785 | |
| 786 /************************************************** | |
| 787 * Write out argument list to buf. | |
| 788 */ | |
| 789 | |
| 790 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 791 { | |
| 792 if (arguments) | |
| 793 { | |
| 794 for (size_t i = 0; i < arguments->dim; i++) | |
| 795 { Expression *arg = (Expression *)arguments->data[i]; | |
| 796 | |
| 797 if (arg) | |
| 798 { if (i) | |
| 799 buf->writeByte(','); | |
| 800 expToCBuffer(buf, hgs, arg, PREC_assign); | |
| 801 } | |
| 802 } | |
| 803 } | |
| 804 } | |
| 805 | |
| 806 /************************************************** | |
| 807 * Write out argument types to buf. | |
| 808 */ | |
| 809 | |
| 810 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs) | |
| 811 { | |
| 812 if (arguments) | |
| 813 { OutBuffer argbuf; | |
| 814 | |
| 815 for (size_t i = 0; i < arguments->dim; i++) | |
| 816 { Expression *arg = (Expression *)arguments->data[i]; | |
| 817 | |
| 818 if (i) | |
| 819 buf->writeByte(','); | |
| 820 argbuf.reset(); | |
| 821 arg->type->toCBuffer2(&argbuf, hgs, 0); | |
| 822 buf->write(&argbuf); | |
| 823 } | |
| 824 } | |
| 825 } | |
| 826 | |
| 827 /******************************** Expression **************************/ | |
| 828 | |
| 829 Expression::Expression(Loc loc, enum TOK op, int size) | |
| 830 : loc(loc) | |
| 831 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
832 //printf("Expression::Expression(op = %d) this = %p\n", op, this); |
| 159 | 833 this->loc = loc; |
| 834 this->op = op; | |
| 835 this->size = size; | |
| 836 type = NULL; | |
| 837 } | |
| 838 | |
| 839 Expression *Expression::syntaxCopy() | |
| 840 { | |
| 841 //printf("Expression::syntaxCopy()\n"); | |
| 842 //dump(0); | |
| 843 return copy(); | |
| 844 } | |
| 845 | |
| 846 /********************************* | |
| 847 * Does *not* do a deep copy. | |
| 848 */ | |
| 849 | |
| 850 Expression *Expression::copy() | |
| 851 { | |
| 852 Expression *e; | |
| 853 if (!size) | |
| 854 { | |
| 855 #ifdef DEBUG | |
| 856 fprintf(stdmsg, "No expression copy for: %s\n", toChars()); | |
| 857 printf("op = %d\n", op); | |
| 858 dump(0); | |
| 859 #endif | |
| 860 assert(0); | |
| 861 } | |
| 862 e = (Expression *)mem.malloc(size); | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
863 //printf("Expression::copy(op = %d) e = %p\n", op, e); |
| 159 | 864 return (Expression *)memcpy(e, this, size); |
| 865 } | |
| 866 | |
| 867 /************************** | |
| 868 * Semantically analyze Expression. | |
| 869 * Determine types, fold constants, etc. | |
| 870 */ | |
| 871 | |
| 872 Expression *Expression::semantic(Scope *sc) | |
| 873 { | |
| 874 #if LOGSEMANTIC | |
| 336 | 875 printf("Expression::semantic() %s\n", toChars()); |
| 159 | 876 #endif |
| 877 if (type) | |
| 878 type = type->semantic(loc, sc); | |
| 879 else | |
| 880 type = Type::tvoid; | |
| 881 return this; | |
| 882 } | |
| 883 | |
| 884 void Expression::print() | |
| 885 { | |
| 886 fprintf(stdmsg, "%s\n", toChars()); | |
| 887 fflush(stdmsg); | |
| 888 } | |
| 889 | |
| 890 char *Expression::toChars() | |
| 891 { OutBuffer *buf; | |
| 892 HdrGenState hgs; | |
| 893 | |
| 894 memset(&hgs, 0, sizeof(hgs)); | |
| 895 buf = new OutBuffer(); | |
| 896 toCBuffer(buf, &hgs); | |
| 897 return buf->toChars(); | |
| 898 } | |
| 899 | |
| 900 void Expression::error(const char *format, ...) | |
| 901 { | |
| 902 va_list ap; | |
| 903 va_start(ap, format); | |
| 904 ::verror(loc, format, ap); | |
| 905 va_end( ap ); | |
| 906 } | |
| 907 | |
| 908 void Expression::rvalue() | |
| 909 { | |
| 910 if (type && type->toBasetype()->ty == Tvoid) | |
| 911 { error("expression %s is void and has no value", toChars()); | |
| 912 #if 0 | |
| 913 dump(0); | |
| 914 halt(); | |
| 915 #endif | |
| 336 | 916 type = Type::tint32; |
| 159 | 917 } |
| 918 } | |
| 919 | |
| 920 Expression *Expression::combine(Expression *e1, Expression *e2) | |
| 921 { | |
| 922 if (e1) | |
| 923 { | |
| 924 if (e2) | |
| 925 { | |
| 926 e1 = new CommaExp(e1->loc, e1, e2); | |
| 927 e1->type = e2->type; | |
| 928 } | |
| 929 } | |
| 930 else | |
| 931 e1 = e2; | |
| 932 return e1; | |
| 933 } | |
| 934 | |
| 935 integer_t Expression::toInteger() | |
| 936 { | |
| 937 //printf("Expression %s\n", Token::toChars(op)); | |
| 938 error("Integer constant expression expected instead of %s", toChars()); | |
| 939 return 0; | |
| 940 } | |
| 941 | |
| 942 uinteger_t Expression::toUInteger() | |
| 943 { | |
| 944 //printf("Expression %s\n", Token::toChars(op)); | |
| 945 return (uinteger_t)toInteger(); | |
| 946 } | |
| 947 | |
| 948 real_t Expression::toReal() | |
| 949 { | |
| 950 error("Floating point constant expression expected instead of %s", toChars()); | |
| 951 return 0; | |
| 952 } | |
| 953 | |
| 954 real_t Expression::toImaginary() | |
| 955 { | |
| 956 error("Floating point constant expression expected instead of %s", toChars()); | |
| 957 return 0; | |
| 958 } | |
| 959 | |
| 960 complex_t Expression::toComplex() | |
| 961 { | |
| 962 error("Floating point constant expression expected instead of %s", toChars()); | |
| 963 #ifdef IN_GCC | |
| 964 return complex_t(real_t(0)); // %% nicer | |
| 965 #else | |
| 966 return 0; | |
| 967 #endif | |
| 968 } | |
| 969 | |
| 970 void Expression::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 971 { | |
| 972 buf->writestring(Token::toChars(op)); | |
| 973 } | |
| 974 | |
| 975 void Expression::toMangleBuffer(OutBuffer *buf) | |
| 976 { | |
| 977 error("expression %s is not a valid template value argument", toChars()); | |
| 978 } | |
| 979 | |
| 980 /******************************* | |
| 981 * Give error if we're not an lvalue. | |
| 982 * If we can, convert expression to be an lvalue. | |
| 983 */ | |
| 984 | |
| 985 Expression *Expression::toLvalue(Scope *sc, Expression *e) | |
| 986 { | |
| 987 if (!e) | |
| 988 e = this; | |
| 989 else if (!loc.filename) | |
| 990 loc = e->loc; | |
| 991 error("%s is not an lvalue", e->toChars()); | |
| 992 return this; | |
| 993 } | |
| 994 | |
| 995 Expression *Expression::modifiableLvalue(Scope *sc, Expression *e) | |
| 996 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
997 //printf("Expression::modifiableLvalue() %s, type = %s\n", toChars(), 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
|
998 |
| 159 | 999 // See if this expression is a modifiable lvalue (i.e. not const) |
| 1000 return toLvalue(sc, e); | |
| 1001 } | |
| 1002 | |
| 1003 /************************************ | |
| 1004 * Detect cases where pointers to the stack can 'escape' the | |
| 1005 * lifetime of the stack frame. | |
| 1006 */ | |
| 1007 | |
| 1008 void Expression::checkEscape() | |
| 1009 { | |
| 1010 } | |
| 1011 | |
| 1012 void Expression::checkScalar() | |
| 1013 { | |
| 1014 if (!type->isscalar()) | |
| 1015 error("'%s' is not a scalar, it is a %s", toChars(), type->toChars()); | |
| 1016 } | |
| 1017 | |
| 1018 void Expression::checkNoBool() | |
| 1019 { | |
| 1020 if (type->toBasetype()->ty == Tbool) | |
| 1021 error("operation not allowed on bool '%s'", toChars()); | |
| 1022 } | |
| 1023 | |
| 1024 Expression *Expression::checkIntegral() | |
| 1025 { | |
| 1026 if (!type->isintegral()) | |
| 1027 { error("'%s' is not of integral type, it is a %s", toChars(), type->toChars()); | |
| 1028 return new IntegerExp(0); | |
| 1029 } | |
| 1030 return this; | |
| 1031 } | |
| 1032 | |
| 1033 Expression *Expression::checkArithmetic() | |
| 1034 { | |
| 1035 if (!type->isintegral() && !type->isfloating()) | |
| 1036 { error("'%s' is not of arithmetic type, it is a %s", toChars(), type->toChars()); | |
| 1037 return new IntegerExp(0); | |
| 1038 } | |
| 1039 return this; | |
| 1040 } | |
| 1041 | |
| 1042 void Expression::checkDeprecated(Scope *sc, Dsymbol *s) | |
| 1043 { | |
| 1044 s->checkDeprecated(loc, sc); | |
| 1045 } | |
| 1046 | |
| 1047 /******************************** | |
| 1048 * Check for expressions that have no use. | |
| 1049 * Input: | |
| 1050 * flag 0 not going to use the result, so issue error message if no | |
| 1051 * side effects | |
| 1052 * 1 the result of the expression is used, but still check | |
| 1053 * for useless subexpressions | |
| 1054 * 2 do not issue error messages, just return !=0 if expression | |
| 1055 * has side effects | |
| 1056 */ | |
| 1057 | |
| 1058 int Expression::checkSideEffect(int flag) | |
| 1059 { | |
| 1060 if (flag == 0) | |
| 1061 { if (op == TOKimport) | |
| 1062 { | |
| 1063 error("%s has no effect", toChars()); | |
| 1064 } | |
| 1065 else | |
| 1066 error("%s has no effect in expression (%s)", | |
| 1067 Token::toChars(op), toChars()); | |
| 1068 } | |
| 1069 return 0; | |
| 1070 } | |
| 1071 | |
| 1072 /***************************** | |
| 1073 * Check that expression can be tested for true or false. | |
| 1074 */ | |
| 1075 | |
| 1076 Expression *Expression::checkToBoolean() | |
| 1077 { | |
| 1078 // Default is 'yes' - do nothing | |
| 1079 | |
| 1080 #ifdef DEBUG | |
| 1081 if (!type) | |
| 1082 dump(0); | |
| 1083 #endif | |
| 1084 | |
| 1085 if (!type->checkBoolean()) | |
| 1086 { | |
| 1087 error("expression %s of type %s does not have a boolean value", toChars(), type->toChars()); | |
| 1088 } | |
| 1089 return this; | |
| 1090 } | |
| 1091 | |
| 1092 /**************************** | |
| 1093 */ | |
| 1094 | |
| 1095 Expression *Expression::checkToPointer() | |
| 1096 { | |
| 1097 Expression *e; | |
| 1098 Type *tb; | |
| 1099 | |
| 1100 //printf("Expression::checkToPointer()\n"); | |
| 1101 e = this; | |
| 1102 | |
| 1103 // If C static array, convert to pointer | |
| 1104 tb = type->toBasetype(); | |
| 1105 if (tb->ty == Tsarray) | |
| 1106 { TypeSArray *ts = (TypeSArray *)tb; | |
| 1107 if (ts->size(loc) == 0) | |
| 1108 e = new NullExp(loc); | |
| 1109 else | |
| 1110 e = new AddrExp(loc, this); | |
| 336 | 1111 e->type = ts->next->pointerTo(); |
| 159 | 1112 } |
| 1113 return e; | |
| 1114 } | |
| 1115 | |
| 1116 /****************************** | |
| 1117 * Take address of expression. | |
| 1118 */ | |
| 1119 | |
| 1120 Expression *Expression::addressOf(Scope *sc) | |
| 1121 { | |
| 1122 Expression *e; | |
| 1123 | |
| 1124 //printf("Expression::addressOf()\n"); | |
| 1125 e = toLvalue(sc, NULL); | |
| 1126 e = new AddrExp(loc, e); | |
| 1127 e->type = type->pointerTo(); | |
| 1128 return e; | |
| 1129 } | |
| 1130 | |
| 1131 /****************************** | |
| 1132 * If this is a reference, dereference it. | |
| 1133 */ | |
| 1134 | |
| 1135 Expression *Expression::deref() | |
| 1136 { | |
| 1137 //printf("Expression::deref()\n"); | |
| 1138 if (type->ty == Treference) | |
| 1139 { Expression *e; | |
| 1140 | |
| 1141 e = new PtrExp(loc, this); | |
| 336 | 1142 e->type = ((TypeReference *)type)->next; |
| 159 | 1143 return e; |
| 1144 } | |
| 1145 return this; | |
| 1146 } | |
| 1147 | |
| 1148 /******************************** | |
| 1149 * Does this expression statically evaluate to a boolean TRUE or FALSE? | |
| 1150 */ | |
| 1151 | |
| 1152 int Expression::isBool(int result) | |
| 1153 { | |
| 1154 return FALSE; | |
| 1155 } | |
| 1156 | |
| 1157 /******************************** | |
| 1158 * Does this expression result in either a 1 or a 0? | |
| 1159 */ | |
| 1160 | |
| 1161 int Expression::isBit() | |
| 1162 { | |
| 1163 return FALSE; | |
| 1164 } | |
| 1165 | |
| 336 | 1166 /******************************** |
| 1167 * Can this expression throw an exception? | |
| 1168 * Valid only after semantic() pass. | |
| 1169 */ | |
| 1170 | |
| 1171 int Expression::canThrow() | |
| 1172 { | |
| 1173 return TRUE; | |
| 1174 } | |
| 1175 | |
| 1176 | |
| 1177 | |
| 159 | 1178 Expressions *Expression::arraySyntaxCopy(Expressions *exps) |
| 1179 { Expressions *a = NULL; | |
| 1180 | |
| 1181 if (exps) | |
| 1182 { | |
| 1183 a = new Expressions(); | |
| 1184 a->setDim(exps->dim); | |
| 1185 for (int i = 0; i < a->dim; i++) | |
| 1186 { Expression *e = (Expression *)exps->data[i]; | |
| 1187 | |
| 1188 e = e->syntaxCopy(); | |
| 1189 a->data[i] = e; | |
| 1190 } | |
| 1191 } | |
| 1192 return a; | |
| 1193 } | |
| 1194 | |
| 1195 /******************************** IntegerExp **************************/ | |
| 1196 | |
| 1197 IntegerExp::IntegerExp(Loc loc, integer_t value, Type *type) | |
| 1198 : Expression(loc, TOKint64, sizeof(IntegerExp)) | |
| 1199 { | |
| 1200 //printf("IntegerExp(value = %lld, type = '%s')\n", value, type ? type->toChars() : ""); | |
| 1201 if (type && !type->isscalar()) | |
| 1202 { | |
| 336 | 1203 //printf("%s, loc = %d\n", toChars(), loc.linnum); |
| 159 | 1204 error("integral constant must be scalar type, not %s", type->toChars()); |
| 1205 type = Type::terror; | |
| 1206 } | |
| 1207 this->type = type; | |
| 1208 this->value = value; | |
| 1209 } | |
| 1210 | |
| 1211 IntegerExp::IntegerExp(integer_t value) | |
| 1212 : Expression(0, TOKint64, sizeof(IntegerExp)) | |
| 1213 { | |
| 1214 this->type = Type::tint32; | |
| 1215 this->value = value; | |
| 1216 } | |
| 1217 | |
| 1218 int IntegerExp::equals(Object *o) | |
| 1219 { IntegerExp *ne; | |
| 1220 | |
| 1221 if (this == o || | |
| 1222 (((Expression *)o)->op == TOKint64 && | |
| 1223 ((ne = (IntegerExp *)o), type->equals(ne->type)) && | |
| 1224 value == ne->value)) | |
| 1225 return 1; | |
| 1226 return 0; | |
| 1227 } | |
| 1228 | |
| 1229 char *IntegerExp::toChars() | |
| 1230 { | |
| 1231 #if 1 | |
| 1232 return Expression::toChars(); | |
| 1233 #else | |
| 1234 static char buffer[sizeof(value) * 3 + 1]; | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1235 sprintf(buffer, "%lld", value); |
| 159 | 1236 return buffer; |
| 1237 #endif | |
| 1238 } | |
| 1239 | |
| 1240 integer_t IntegerExp::toInteger() | |
| 1241 { Type *t; | |
| 1242 | |
| 1243 t = type; | |
| 1244 while (t) | |
| 1245 { | |
| 1246 switch (t->ty) | |
| 1247 { | |
| 1248 case Tbit: | |
| 1249 case Tbool: value = (value != 0); break; | |
| 1250 case Tint8: value = (d_int8) value; break; | |
| 1251 case Tchar: | |
| 1252 case Tuns8: value = (d_uns8) value; break; | |
| 1253 case Tint16: value = (d_int16) value; break; | |
| 1254 case Twchar: | |
| 1255 case Tuns16: value = (d_uns16) value; break; | |
| 1256 case Tint32: value = (d_int32) value; break; | |
| 1257 case Tpointer: | |
| 1258 case Tdchar: | |
| 1259 case Tuns32: value = (d_uns32) value; break; | |
| 1260 case Tint64: value = (d_int64) value; break; | |
| 1261 case Tuns64: value = (d_uns64) value; break; | |
| 1262 | |
| 1263 case Tenum: | |
| 1264 { | |
| 1265 TypeEnum *te = (TypeEnum *)t; | |
| 1266 t = te->sym->memtype; | |
| 1267 continue; | |
| 1268 } | |
| 1269 | |
| 1270 case Ttypedef: | |
| 1271 { | |
| 1272 TypeTypedef *tt = (TypeTypedef *)t; | |
| 1273 t = tt->sym->basetype; | |
| 1274 continue; | |
| 1275 } | |
| 1276 | |
| 1277 default: | |
| 336 | 1278 /* This can happen if errors, such as |
| 1279 * the type is painted on like in fromConstInitializer(). | |
| 1280 */ | |
| 1281 if (!global.errors) | |
| 1282 { type->print(); | |
| 1283 assert(0); | |
| 1284 } | |
| 159 | 1285 break; |
| 1286 } | |
| 1287 break; | |
| 1288 } | |
| 1289 return value; | |
| 1290 } | |
| 1291 | |
| 1292 real_t IntegerExp::toReal() | |
| 1293 { | |
| 1294 Type *t; | |
| 1295 | |
| 1296 toInteger(); | |
| 1297 t = type->toBasetype(); | |
| 1298 if (t->ty == Tuns64) | |
| 1299 return (real_t)(d_uns64)value; | |
| 1300 else | |
| 1301 return (real_t)(d_int64)value; | |
| 1302 } | |
| 1303 | |
| 1304 real_t IntegerExp::toImaginary() | |
| 1305 { | |
| 1306 return (real_t) 0; | |
| 1307 } | |
| 1308 | |
| 1309 complex_t IntegerExp::toComplex() | |
| 1310 { | |
| 1311 return toReal(); | |
| 1312 } | |
| 1313 | |
| 1314 int IntegerExp::isBool(int result) | |
| 1315 { | |
| 1316 return result ? value != 0 : value == 0; | |
| 1317 } | |
| 1318 | |
| 1319 Expression *IntegerExp::semantic(Scope *sc) | |
| 1320 { | |
| 1321 if (!type) | |
| 1322 { | |
| 1323 // Determine what the type of this number is | |
| 1324 integer_t number = value; | |
| 1325 | |
| 1326 if (number & 0x8000000000000000LL) | |
| 1327 type = Type::tuns64; | |
| 1328 else if (number & 0xFFFFFFFF80000000LL) | |
| 1329 type = Type::tint64; | |
| 1330 else | |
| 1331 type = Type::tint32; | |
| 1332 } | |
| 1333 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
|
1334 { if (!type->deco) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1335 type = type->semantic(loc, sc); |
| 159 | 1336 } |
| 1337 return this; | |
| 1338 } | |
| 1339 | |
| 1340 Expression *IntegerExp::toLvalue(Scope *sc, Expression *e) | |
| 1341 { | |
| 1342 if (!e) | |
| 1343 e = this; | |
| 1344 else if (!loc.filename) | |
| 1345 loc = e->loc; | |
| 1346 e->error("constant %s is not an lvalue", e->toChars()); | |
| 1347 return this; | |
| 1348 } | |
| 1349 | |
| 1350 void IntegerExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1351 { | |
| 1352 integer_t v = toInteger(); | |
| 1353 | |
| 1354 if (type) | |
| 1355 { Type *t = type; | |
| 1356 | |
| 1357 L1: | |
| 1358 switch (t->ty) | |
| 1359 { | |
| 1360 case Tenum: | |
| 1361 { TypeEnum *te = (TypeEnum *)t; | |
| 1362 buf->printf("cast(%s)", te->sym->toChars()); | |
| 1363 t = te->sym->memtype; | |
| 1364 goto L1; | |
| 1365 } | |
| 1366 | |
| 1367 case Ttypedef: | |
| 1368 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 1369 buf->printf("cast(%s)", tt->sym->toChars()); | |
| 1370 t = tt->sym->basetype; | |
| 1371 goto L1; | |
| 1372 } | |
| 1373 | |
| 1374 case Twchar: // BUG: need to cast(wchar) | |
| 1375 case Tdchar: // BUG: need to cast(dchar) | |
| 1376 if ((uinteger_t)v > 0xFF) | |
| 1377 { | |
| 1378 buf->printf("'\\U%08x'", v); | |
| 1379 break; | |
| 1380 } | |
| 1381 case Tchar: | |
| 1382 if (v == '\'') | |
| 1383 buf->writestring("'\\''"); | |
| 1384 else if (isprint(v) && v != '\\') | |
| 1385 buf->printf("'%c'", (int)v); | |
| 1386 else | |
| 1387 buf->printf("'\\x%02x'", (int)v); | |
| 1388 break; | |
| 1389 | |
| 1390 case Tint8: | |
| 1391 buf->writestring("cast(byte)"); | |
| 1392 goto L2; | |
| 1393 | |
| 1394 case Tint16: | |
| 1395 buf->writestring("cast(short)"); | |
| 1396 goto L2; | |
| 1397 | |
| 1398 case Tint32: | |
| 1399 L2: | |
| 1400 buf->printf("%d", (int)v); | |
| 1401 break; | |
| 1402 | |
| 1403 case Tuns8: | |
| 1404 buf->writestring("cast(ubyte)"); | |
| 1405 goto L3; | |
| 1406 | |
| 1407 case Tuns16: | |
| 1408 buf->writestring("cast(ushort)"); | |
| 1409 goto L3; | |
| 1410 | |
| 1411 case Tuns32: | |
| 1412 L3: | |
| 1413 buf->printf("%du", (unsigned)v); | |
| 1414 break; | |
| 1415 | |
| 1416 case Tint64: | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1417 buf->printf("%lldL", v); |
| 159 | 1418 break; |
| 1419 | |
| 1420 case Tuns64: | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1421 buf->printf("%lluLU", v); |
| 159 | 1422 break; |
| 1423 | |
| 1424 case Tbit: | |
| 1425 case Tbool: | |
| 1426 buf->writestring((char *)(v ? "true" : "false")); | |
| 1427 break; | |
| 1428 | |
| 1429 case Tpointer: | |
| 1430 buf->writestring("cast("); | |
| 1431 buf->writestring(t->toChars()); | |
| 1432 buf->writeByte(')'); | |
| 1433 goto L3; | |
| 1434 | |
| 1435 default: | |
| 336 | 1436 /* This can happen if errors, such as |
| 1437 * the type is painted on like in fromConstInitializer(). | |
| 1438 */ | |
| 1439 if (!global.errors) | |
| 1440 { | |
| 159 | 1441 #ifdef DEBUG |
| 336 | 1442 t->print(); |
| 159 | 1443 #endif |
| 336 | 1444 assert(0); |
| 1445 } | |
| 1446 break; | |
| 159 | 1447 } |
| 1448 } | |
| 1449 else if (v & 0x8000000000000000LL) | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1450 buf->printf("0x%llx", v); |
| 159 | 1451 else |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1452 buf->printf("%lld", v); |
| 159 | 1453 } |
| 1454 | |
| 1455 void IntegerExp::toMangleBuffer(OutBuffer *buf) | |
| 1456 { | |
| 1457 if ((sinteger_t)value < 0) | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1458 buf->printf("N%lld", -value); |
| 159 | 1459 else |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
1460 buf->printf("%lld", value); |
| 159 | 1461 } |
| 1462 | |
| 1463 /******************************** RealExp **************************/ | |
| 1464 | |
| 1465 RealExp::RealExp(Loc loc, real_t value, Type *type) | |
| 1466 : Expression(loc, TOKfloat64, sizeof(RealExp)) | |
| 1467 { | |
| 1468 //printf("RealExp::RealExp(%Lg)\n", value); | |
| 1469 this->value = value; | |
| 1470 this->type = type; | |
| 1471 } | |
| 1472 | |
| 1473 char *RealExp::toChars() | |
| 1474 { | |
| 1475 char buffer[sizeof(value) * 3 + 8 + 1 + 1]; | |
| 1476 | |
| 1477 #ifdef IN_GCC | |
| 1478 value.format(buffer, sizeof(buffer)); | |
| 1479 if (type->isimaginary()) | |
| 1480 strcat(buffer, "i"); | |
| 1481 #else | |
| 1482 sprintf(buffer, type->isimaginary() ? "%Lgi" : "%Lg", value); | |
| 1483 #endif | |
| 1484 assert(strlen(buffer) < sizeof(buffer)); | |
| 1485 return mem.strdup(buffer); | |
| 1486 } | |
| 1487 | |
| 1488 integer_t RealExp::toInteger() | |
| 1489 { | |
| 1490 #ifdef IN_GCC | |
| 1491 return toReal().toInt(); | |
| 1492 #else | |
| 1493 return (sinteger_t) toReal(); | |
| 1494 #endif | |
| 1495 } | |
| 1496 | |
| 1497 uinteger_t RealExp::toUInteger() | |
| 1498 { | |
| 1499 #ifdef IN_GCC | |
| 1500 return (uinteger_t) toReal().toInt(); | |
| 1501 #else | |
| 1502 return (uinteger_t) toReal(); | |
| 1503 #endif | |
| 1504 } | |
| 1505 | |
| 1506 real_t RealExp::toReal() | |
| 1507 { | |
| 1508 return type->isreal() ? value : 0; | |
| 1509 } | |
| 1510 | |
| 1511 real_t RealExp::toImaginary() | |
| 1512 { | |
| 1513 return type->isreal() ? 0 : value; | |
| 1514 } | |
| 1515 | |
| 1516 complex_t RealExp::toComplex() | |
| 1517 { | |
| 1518 #ifdef __DMC__ | |
| 1519 return toReal() + toImaginary() * I; | |
| 1520 #else | |
| 1521 return complex_t(toReal(), toImaginary()); | |
| 1522 #endif | |
| 1523 } | |
| 1524 | |
| 1525 /******************************** | |
| 1526 * Test to see if two reals are the same. | |
| 1527 * Regard NaN's as equivalent. | |
| 1528 * Regard +0 and -0 as different. | |
| 1529 */ | |
| 1530 | |
| 1531 int RealEquals(real_t x1, real_t x2) | |
| 1532 { | |
|
421
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1533 return // special case nans |
|
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1534 (isnan(x1) && isnan(x2)) || |
|
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1535 // and zero, in order to distinguish +0 from -0 |
|
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1536 (x1 == 0 && x2 == 0 && 1./x1 == 1./x2) || |
|
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1537 // otherwise just compare |
|
1c65b5477eaa
Fix real comparison for real: allow +0 to be distinguished from -0.
Christian Kamm <kamm incasoftware de>
parents:
420
diff
changeset
|
1538 (x1 != 0. && x1 == x2); |
| 159 | 1539 } |
| 1540 | |
| 1541 int RealExp::equals(Object *o) | |
| 1542 { RealExp *ne; | |
| 1543 | |
| 1544 if (this == o || | |
| 1545 (((Expression *)o)->op == TOKfloat64 && | |
| 1546 ((ne = (RealExp *)o), type->equals(ne->type)) && | |
| 1547 RealEquals(value, ne->value) | |
| 1548 ) | |
| 1549 ) | |
| 1550 return 1; | |
| 1551 return 0; | |
| 1552 } | |
| 1553 | |
| 1554 Expression *RealExp::semantic(Scope *sc) | |
| 1555 { | |
| 1556 if (!type) | |
| 1557 type = Type::tfloat64; | |
| 1558 else | |
| 1559 type = type->semantic(loc, sc); | |
| 1560 return this; | |
| 1561 } | |
| 1562 | |
| 1563 int RealExp::isBool(int result) | |
| 1564 { | |
| 1565 #ifdef IN_GCC | |
| 1566 return result ? (! value.isZero()) : (value.isZero()); | |
| 1567 #else | |
| 1568 return result ? (value != 0) | |
| 1569 : (value == 0); | |
| 1570 #endif | |
| 1571 } | |
| 1572 | |
| 1573 void floatToBuffer(OutBuffer *buf, Type *type, real_t value) | |
| 1574 { | |
| 1575 /* In order to get an exact representation, try converting it | |
| 1576 * to decimal then back again. If it matches, use it. | |
| 1577 * If it doesn't, fall back to hex, which is | |
| 1578 * always exact. | |
| 1579 */ | |
| 1580 char buffer[25]; | |
| 1581 sprintf(buffer, "%Lg", value); | |
| 1582 assert(strlen(buffer) < sizeof(buffer)); | |
| 1583 #if _WIN32 && __DMC__ | |
| 1584 char *save = __locale_decpoint; | |
| 1585 __locale_decpoint = "."; | |
| 1586 real_t r = strtold(buffer, NULL); | |
| 1587 __locale_decpoint = save; | |
| 1588 #else | |
| 1589 real_t r = strtold(buffer, NULL); | |
| 1590 #endif | |
| 1591 if (r == value) // if exact duplication | |
| 1592 buf->writestring(buffer); | |
| 1593 else | |
| 1594 buf->printf("%La", value); // ensure exact duplication | |
| 1595 | |
| 1596 if (type) | |
| 1597 { | |
| 1598 Type *t = type->toBasetype(); | |
| 1599 switch (t->ty) | |
| 1600 { | |
| 1601 case Tfloat32: | |
| 1602 case Timaginary32: | |
| 1603 case Tcomplex32: | |
| 1604 buf->writeByte('F'); | |
| 1605 break; | |
| 1606 | |
| 1607 case Tfloat80: | |
| 1608 case Timaginary80: | |
| 1609 case Tcomplex80: | |
| 1610 buf->writeByte('L'); | |
| 1611 break; | |
| 1612 | |
| 1613 default: | |
| 1614 break; | |
| 1615 } | |
| 1616 if (t->isimaginary()) | |
| 1617 buf->writeByte('i'); | |
| 1618 } | |
| 1619 } | |
| 1620 | |
| 1621 void RealExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1622 { | |
| 1623 floatToBuffer(buf, type, value); | |
| 1624 } | |
| 1625 | |
| 1626 void realToMangleBuffer(OutBuffer *buf, real_t value) | |
| 1627 { | |
| 1628 /* Rely on %A to get portable mangling. | |
| 1629 * Must munge result to get only identifier characters. | |
| 1630 * | |
| 1631 * Possible values from %A => mangled result | |
| 1632 * NAN => NAN | |
| 1633 * -INF => NINF | |
| 1634 * INF => INF | |
| 1635 * -0X1.1BC18BA997B95P+79 => N11BC18BA997B95P79 | |
| 1636 * 0X1.9P+2 => 19P2 | |
| 1637 */ | |
| 1638 | |
| 1639 if (isnan(value)) | |
| 1640 buf->writestring("NAN"); // no -NAN bugs | |
| 1641 else | |
| 1642 { | |
| 1643 char buffer[32]; | |
| 1644 int n = sprintf(buffer, "%LA", value); | |
| 1645 assert(n > 0 && n < sizeof(buffer)); | |
| 1646 for (int i = 0; i < n; i++) | |
| 1647 { char c = buffer[i]; | |
| 1648 | |
| 1649 switch (c) | |
| 1650 { | |
| 1651 case '-': | |
| 1652 buf->writeByte('N'); | |
| 1653 break; | |
| 1654 | |
| 1655 case '+': | |
| 1656 case 'X': | |
| 1657 case '.': | |
| 1658 break; | |
| 1659 | |
| 1660 case '0': | |
| 1661 if (i < 2) | |
| 1662 break; // skip leading 0X | |
| 1663 default: | |
| 1664 buf->writeByte(c); | |
| 1665 break; | |
| 1666 } | |
| 1667 } | |
| 1668 } | |
| 1669 } | |
| 1670 | |
| 1671 void RealExp::toMangleBuffer(OutBuffer *buf) | |
| 1672 { | |
| 1673 buf->writeByte('e'); | |
| 1674 realToMangleBuffer(buf, value); | |
| 1675 } | |
| 1676 | |
| 1677 | |
| 1678 /******************************** ComplexExp **************************/ | |
| 1679 | |
| 1680 ComplexExp::ComplexExp(Loc loc, complex_t value, Type *type) | |
| 1681 : Expression(loc, TOKcomplex80, sizeof(ComplexExp)) | |
| 1682 { | |
| 1683 this->value = value; | |
| 1684 this->type = type; | |
| 1685 //printf("ComplexExp::ComplexExp(%s)\n", toChars()); | |
| 1686 } | |
| 1687 | |
| 1688 char *ComplexExp::toChars() | |
| 1689 { | |
| 1690 char buffer[sizeof(value) * 3 + 8 + 1]; | |
| 1691 | |
| 1692 #ifdef IN_GCC | |
| 1693 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1694 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1695 creall(value).format(buf1, sizeof(buf1)); | |
| 1696 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1697 sprintf(buffer, "(%s+%si)", buf1, buf2); | |
| 1698 #else | |
| 1699 sprintf(buffer, "(%Lg+%Lgi)", creall(value), cimagl(value)); | |
| 1700 assert(strlen(buffer) < sizeof(buffer)); | |
| 1701 #endif | |
| 1702 return mem.strdup(buffer); | |
| 1703 } | |
| 1704 | |
| 1705 integer_t ComplexExp::toInteger() | |
| 1706 { | |
| 1707 #ifdef IN_GCC | |
| 1708 return (sinteger_t) toReal().toInt(); | |
| 1709 #else | |
| 1710 return (sinteger_t) toReal(); | |
| 1711 #endif | |
| 1712 } | |
| 1713 | |
| 1714 uinteger_t ComplexExp::toUInteger() | |
| 1715 { | |
| 1716 #ifdef IN_GCC | |
| 1717 return (uinteger_t) toReal().toInt(); | |
| 1718 #else | |
| 1719 return (uinteger_t) toReal(); | |
| 1720 #endif | |
| 1721 } | |
| 1722 | |
| 1723 real_t ComplexExp::toReal() | |
| 1724 { | |
| 1725 return creall(value); | |
| 1726 } | |
| 1727 | |
| 1728 real_t ComplexExp::toImaginary() | |
| 1729 { | |
| 1730 return cimagl(value); | |
| 1731 } | |
| 1732 | |
| 1733 complex_t ComplexExp::toComplex() | |
| 1734 { | |
| 1735 return value; | |
| 1736 } | |
| 1737 | |
| 1738 int ComplexExp::equals(Object *o) | |
| 1739 { ComplexExp *ne; | |
| 1740 | |
| 1741 if (this == o || | |
| 1742 (((Expression *)o)->op == TOKcomplex80 && | |
| 1743 ((ne = (ComplexExp *)o), type->equals(ne->type)) && | |
| 1744 RealEquals(creall(value), creall(ne->value)) && | |
| 1745 RealEquals(cimagl(value), cimagl(ne->value)) | |
| 1746 ) | |
| 1747 ) | |
| 1748 return 1; | |
| 1749 return 0; | |
| 1750 } | |
| 1751 | |
| 1752 Expression *ComplexExp::semantic(Scope *sc) | |
| 1753 { | |
| 1754 if (!type) | |
| 1755 type = Type::tcomplex80; | |
| 1756 else | |
| 1757 type = type->semantic(loc, sc); | |
| 1758 return this; | |
| 1759 } | |
| 1760 | |
| 1761 int ComplexExp::isBool(int result) | |
| 1762 { | |
| 1763 if (result) | |
| 1764 return (bool)(value); | |
| 1765 else | |
| 1766 return !value; | |
| 1767 } | |
| 1768 | |
| 1769 void ComplexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1770 { | |
| 1771 /* Print as: | |
| 1772 * (re+imi) | |
| 1773 */ | |
| 1774 #ifdef IN_GCC | |
| 1775 char buf1[sizeof(value) * 3 + 8 + 1]; | |
| 1776 char buf2[sizeof(value) * 3 + 8 + 1]; | |
| 1777 creall(value).format(buf1, sizeof(buf1)); | |
| 1778 cimagl(value).format(buf2, sizeof(buf2)); | |
| 1779 buf->printf("(%s+%si)", buf1, buf2); | |
| 1780 #else | |
| 1781 buf->writeByte('('); | |
| 1782 floatToBuffer(buf, type, creall(value)); | |
| 1783 buf->writeByte('+'); | |
| 1784 floatToBuffer(buf, type, cimagl(value)); | |
| 1785 buf->writestring("i)"); | |
| 1786 #endif | |
| 1787 } | |
| 1788 | |
| 1789 void ComplexExp::toMangleBuffer(OutBuffer *buf) | |
| 1790 { | |
| 1791 buf->writeByte('c'); | |
| 1792 real_t r = toReal(); | |
| 1793 realToMangleBuffer(buf, r); | |
| 1794 buf->writeByte('c'); // separate the two | |
| 1795 r = toImaginary(); | |
| 1796 realToMangleBuffer(buf, r); | |
| 1797 } | |
| 1798 | |
| 1799 /******************************** IdentifierExp **************************/ | |
| 1800 | |
| 1801 IdentifierExp::IdentifierExp(Loc loc, Identifier *ident) | |
| 1802 : Expression(loc, TOKidentifier, sizeof(IdentifierExp)) | |
| 1803 { | |
| 1804 this->ident = ident; | |
| 1805 } | |
| 1806 | |
| 1807 Expression *IdentifierExp::semantic(Scope *sc) | |
| 1808 { | |
| 1809 Dsymbol *s; | |
| 1810 Dsymbol *scopesym; | |
| 1811 | |
| 1812 #if LOGSEMANTIC | |
| 1813 printf("IdentifierExp::semantic('%s')\n", ident->toChars()); | |
| 1814 #endif | |
| 1815 s = sc->search(loc, ident, &scopesym); | |
| 1816 if (s) | |
| 1817 { Expression *e; | |
| 1818 WithScopeSymbol *withsym; | |
| 1819 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1820 /* See if the symbol was a member of an enclosing 'with' |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
1821 */ |
| 159 | 1822 withsym = scopesym->isWithScopeSymbol(); |
| 1823 if (withsym) | |
| 1824 { | |
| 1825 s = s->toAlias(); | |
| 1826 | |
| 1827 // Same as wthis.ident | |
| 1828 if (s->needThis() || s->isTemplateDeclaration()) | |
| 1829 { | |
| 1830 e = new VarExp(loc, withsym->withstate->wthis); | |
| 1831 e = new DotIdExp(loc, e, ident); | |
| 1832 } | |
| 1833 else | |
| 1834 { Type *t = withsym->withstate->wthis->type; | |
| 1835 if (t->ty == 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
|
1836 t = ((TypePointer *)t)->next; |
| 159 | 1837 e = new TypeDotIdExp(loc, t, ident); |
| 1838 } | |
| 1839 } | |
| 1840 else | |
| 1841 { | |
| 1842 if (!s->parent && scopesym->isArrayScopeSymbol()) | |
| 1843 { // Kludge to run semantic() here because | |
| 1844 // ArrayScopeSymbol::search() doesn't have access to sc. | |
| 1845 s->semantic(sc); | |
| 1846 } | |
| 1847 // Look to see if f is really a function template | |
| 1848 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 1849 if (f && f->parent) | |
| 1850 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 1851 | |
| 1852 if (ti && | |
| 1853 !ti->isTemplateMixin() && | |
| 1854 (ti->name == f->ident || | |
| 1855 ti->toAlias()->ident == f->ident) | |
| 1856 && | |
| 1857 ti->tempdecl && ti->tempdecl->onemember) | |
| 1858 { | |
| 1859 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 1860 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 1861 tempdecl = tempdecl->overroot; // then get the start | |
| 1862 e = new TemplateExp(loc, tempdecl); | |
| 1863 e = e->semantic(sc); | |
| 1864 return e; | |
| 1865 } | |
| 1866 } | |
| 1867 e = new DsymbolExp(loc, s); | |
| 1868 } | |
| 1869 return e->semantic(sc); | |
| 1870 } | |
| 1871 error("undefined identifier %s", ident->toChars()); | |
| 1872 type = Type::terror; | |
| 1873 return this; | |
| 1874 } | |
| 1875 | |
| 1876 char *IdentifierExp::toChars() | |
| 1877 { | |
| 1878 return ident->toChars(); | |
| 1879 } | |
| 1880 | |
| 1881 void IdentifierExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1882 { | |
| 1883 if (hgs->hdrgen) | |
| 1884 buf->writestring(ident->toHChars2()); | |
| 1885 else | |
| 1886 buf->writestring(ident->toChars()); | |
| 1887 } | |
| 1888 | |
| 1889 Expression *IdentifierExp::toLvalue(Scope *sc, Expression *e) | |
| 1890 { | |
| 1891 #if 0 | |
| 1892 tym = tybasic(e1->ET->Tty); | |
| 1893 if (!(tyscalar(tym) || | |
| 1894 tym == TYstruct || | |
| 1895 tym == TYarray && e->Eoper == TOKaddr)) | |
| 1896 synerr(EM_lvalue); // lvalue expected | |
| 1897 #endif | |
| 1898 return this; | |
| 1899 } | |
| 1900 | |
| 1901 /******************************** DollarExp **************************/ | |
| 1902 | |
| 1903 DollarExp::DollarExp(Loc loc) | |
| 1904 : IdentifierExp(loc, Id::dollar) | |
| 1905 { | |
| 1906 } | |
| 1907 | |
| 1908 /******************************** DsymbolExp **************************/ | |
| 1909 | |
| 1910 DsymbolExp::DsymbolExp(Loc loc, Dsymbol *s) | |
| 1911 : Expression(loc, TOKdsymbol, sizeof(DsymbolExp)) | |
| 1912 { | |
| 1913 this->s = s; | |
| 1914 } | |
| 1915 | |
| 1916 Expression *DsymbolExp::semantic(Scope *sc) | |
| 1917 { | |
| 1918 #if LOGSEMANTIC | |
| 1919 printf("DsymbolExp::semantic('%s')\n", s->toChars()); | |
| 1920 #endif | |
| 1921 | |
| 1922 Lagain: | |
| 1923 EnumMember *em; | |
| 1924 Expression *e; | |
| 1925 VarDeclaration *v; | |
| 1926 FuncDeclaration *f; | |
| 1927 FuncLiteralDeclaration *fld; | |
| 1928 Declaration *d; | |
| 1929 ClassDeclaration *cd; | |
| 1930 ClassDeclaration *thiscd = NULL; | |
| 1931 Import *imp; | |
| 1932 Package *pkg; | |
| 1933 Type *t; | |
| 1934 | |
| 1935 //printf("DsymbolExp:: %p '%s' is a symbol\n", this, toChars()); | |
| 1936 //printf("s = '%s', s->kind = '%s'\n", s->toChars(), s->kind()); | |
| 1937 if (type) | |
| 1938 return this; | |
| 1939 if (!s->isFuncDeclaration()) // functions are checked after overloading | |
| 1940 checkDeprecated(sc, s); | |
| 1941 s = s->toAlias(); | |
| 1942 //printf("s = '%s', s->kind = '%s', s->needThis() = %p\n", s->toChars(), s->kind(), s->needThis()); | |
| 1943 if (!s->isFuncDeclaration()) | |
| 1944 checkDeprecated(sc, s); | |
| 1945 | |
| 1946 if (sc->func) | |
| 1947 thiscd = sc->func->parent->isClassDeclaration(); | |
| 1948 | |
| 1949 // BUG: This should happen after overload resolution for functions, not before | |
| 1950 if (s->needThis()) | |
| 1951 { | |
| 1952 if (hasThis(sc) /*&& !s->isFuncDeclaration()*/) | |
| 1953 { | |
| 1954 // Supply an implicit 'this', as in | |
| 1955 // this.ident | |
| 1956 | |
| 1957 DotVarExp *de; | |
| 1958 | |
| 1959 de = new DotVarExp(loc, new ThisExp(loc), s->isDeclaration()); | |
| 1960 return de->semantic(sc); | |
| 1961 } | |
| 1962 } | |
| 1963 | |
| 1964 em = s->isEnumMember(); | |
| 1965 if (em) | |
| 1966 { | |
| 1967 e = em->value->copy(); | |
| 1968 e = e->semantic(sc); | |
| 1969 return e; | |
| 1970 } | |
| 1971 v = s->isVarDeclaration(); | |
| 1972 if (v) | |
| 1973 { | |
| 1974 //printf("Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 1975 if (!type) | |
| 1976 { type = v->type; | |
| 1977 if (!v->type) | |
| 1978 { error("forward reference of %s", v->toChars()); | |
| 1979 type = Type::terror; | |
| 1980 } | |
| 1981 } | |
| 1982 if (v->isConst() && type->toBasetype()->ty != Tsarray) | |
| 1983 { | |
| 1984 if (v->init) | |
| 1985 { | |
| 1986 if (v->inuse) | |
| 1987 { | |
| 1988 error("circular reference to '%s'", v->toChars()); | |
| 1989 type = Type::tint32; | |
| 1990 return this; | |
| 1991 } | |
| 1992 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 1993 if (ei) | |
| 1994 { | |
| 1995 e = ei->exp->copy(); // make copy so we can change loc | |
| 1996 if (e->op == TOKstring || !e->type) | |
| 1997 e = e->semantic(sc); | |
| 1998 e = e->implicitCastTo(sc, type); | |
| 1999 e->loc = loc; | |
| 2000 return e; | |
| 2001 } | |
| 2002 } | |
| 2003 else | |
| 2004 { | |
| 2005 e = type->defaultInit(); | |
| 2006 e->loc = loc; | |
| 2007 return e; | |
| 2008 } | |
| 2009 } | |
| 2010 e = new VarExp(loc, v); | |
| 2011 e->type = type; | |
| 2012 e = e->semantic(sc); | |
| 2013 return e->deref(); | |
| 2014 } | |
| 2015 fld = s->isFuncLiteralDeclaration(); | |
| 2016 if (fld) | |
| 2017 { //printf("'%s' is a function literal\n", fld->toChars()); | |
| 2018 e = new FuncExp(loc, fld); | |
| 2019 return e->semantic(sc); | |
| 2020 } | |
| 2021 f = s->isFuncDeclaration(); | |
| 2022 if (f) | |
| 2023 { //printf("'%s' is a function\n", f->toChars()); | |
| 2024 return new VarExp(loc, f); | |
| 2025 } | |
| 2026 cd = s->isClassDeclaration(); | |
| 2027 if (cd && thiscd && cd->isBaseOf(thiscd, NULL) && sc->func->needThis()) | |
| 2028 { | |
| 2029 // We need to add an implicit 'this' if cd is this class or a base class. | |
| 2030 DotTypeExp *dte; | |
| 2031 | |
| 2032 dte = new DotTypeExp(loc, new ThisExp(loc), s); | |
| 2033 return dte->semantic(sc); | |
| 2034 } | |
| 2035 imp = s->isImport(); | |
| 2036 if (imp) | |
| 2037 { | |
| 2038 ScopeExp *ie; | |
| 2039 | |
| 2040 ie = new ScopeExp(loc, imp->pkg); | |
| 2041 return ie->semantic(sc); | |
| 2042 } | |
| 2043 pkg = s->isPackage(); | |
| 2044 if (pkg) | |
| 2045 { | |
| 2046 ScopeExp *ie; | |
| 2047 | |
| 2048 ie = new ScopeExp(loc, pkg); | |
| 2049 return ie->semantic(sc); | |
| 2050 } | |
| 2051 Module *mod = s->isModule(); | |
| 2052 if (mod) | |
| 2053 { | |
| 2054 ScopeExp *ie; | |
| 2055 | |
| 2056 ie = new ScopeExp(loc, mod); | |
| 2057 return ie->semantic(sc); | |
| 2058 } | |
| 2059 | |
| 2060 t = s->getType(); | |
| 2061 if (t) | |
| 2062 { | |
| 2063 return new TypeExp(loc, t); | |
| 2064 } | |
| 2065 | |
| 2066 TupleDeclaration *tup = s->isTupleDeclaration(); | |
| 2067 if (tup) | |
| 2068 { | |
| 2069 e = new TupleExp(loc, tup); | |
| 2070 e = e->semantic(sc); | |
| 2071 return e; | |
| 2072 } | |
| 2073 | |
| 2074 TemplateInstance *ti = s->isTemplateInstance(); | |
| 2075 if (ti && !global.errors) | |
| 2076 { if (!ti->semanticdone) | |
| 2077 ti->semantic(sc); | |
| 2078 s = ti->inst->toAlias(); | |
| 2079 if (!s->isTemplateInstance()) | |
| 2080 goto Lagain; | |
| 2081 e = new ScopeExp(loc, ti); | |
| 2082 e = e->semantic(sc); | |
| 2083 return e; | |
| 2084 } | |
| 2085 | |
| 2086 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 2087 if (td) | |
| 2088 { | |
| 2089 e = new TemplateExp(loc, td); | |
| 2090 e = e->semantic(sc); | |
| 2091 return e; | |
| 2092 } | |
| 2093 | |
| 2094 Lerr: | |
| 2095 error("%s '%s' is not a variable", s->kind(), s->toChars()); | |
| 2096 type = Type::terror; | |
| 2097 return this; | |
| 2098 } | |
| 2099 | |
| 2100 char *DsymbolExp::toChars() | |
| 2101 { | |
| 2102 return s->toChars(); | |
| 2103 } | |
| 2104 | |
| 2105 void DsymbolExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2106 { | |
| 2107 buf->writestring(s->toChars()); | |
| 2108 } | |
| 2109 | |
| 2110 Expression *DsymbolExp::toLvalue(Scope *sc, Expression *e) | |
| 2111 { | |
| 2112 #if 0 | |
| 2113 tym = tybasic(e1->ET->Tty); | |
| 2114 if (!(tyscalar(tym) || | |
| 2115 tym == TYstruct || | |
| 2116 tym == TYarray && e->Eoper == TOKaddr)) | |
| 2117 synerr(EM_lvalue); // lvalue expected | |
| 2118 #endif | |
| 2119 return this; | |
| 2120 } | |
| 2121 | |
| 2122 /******************************** ThisExp **************************/ | |
| 2123 | |
| 2124 ThisExp::ThisExp(Loc loc) | |
| 2125 : Expression(loc, TOKthis, sizeof(ThisExp)) | |
| 2126 { | |
| 2127 var = NULL; | |
| 2128 } | |
| 2129 | |
| 2130 Expression *ThisExp::semantic(Scope *sc) | |
| 2131 { FuncDeclaration *fd; | |
| 2132 FuncDeclaration *fdthis; | |
| 2133 int nested = 0; | |
| 2134 | |
| 2135 #if LOGSEMANTIC | |
| 2136 printf("ThisExp::semantic()\n"); | |
| 2137 #endif | |
| 2138 if (type) | |
| 2139 { //assert(global.errors || var); | |
| 2140 return this; | |
| 2141 } | |
| 2142 | |
| 2143 /* Special case for typeof(this) and typeof(super) since both | |
| 2144 * should work even if they are not inside a non-static member function | |
| 2145 */ | |
| 2146 if (sc->intypeof) | |
| 2147 { | |
| 2148 // Find enclosing struct or class | |
| 2149 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2150 { | |
| 2151 ClassDeclaration *cd; | |
| 2152 StructDeclaration *sd; | |
| 2153 | |
| 2154 if (!s) | |
| 2155 { | |
| 2156 error("%s is not in a struct or class scope", toChars()); | |
| 2157 goto Lerr; | |
| 2158 } | |
| 2159 cd = s->isClassDeclaration(); | |
| 2160 if (cd) | |
| 2161 { | |
| 2162 type = cd->type; | |
| 2163 return this; | |
| 2164 } | |
| 2165 sd = s->isStructDeclaration(); | |
| 2166 if (sd) | |
| 2167 { | |
| 2168 type = sd->type->pointerTo(); | |
| 2169 return this; | |
| 2170 } | |
| 2171 } | |
| 2172 } | |
| 2173 | |
| 2174 fdthis = sc->parent->isFuncDeclaration(); | |
| 2175 fd = hasThis(sc); // fd is the uplevel function with the 'this' variable | |
| 2176 if (!fd) | |
| 2177 goto Lerr; | |
| 2178 | |
| 2179 assert(fd->vthis); | |
| 2180 var = fd->vthis; | |
| 2181 assert(var->parent); | |
| 2182 type = var->type; | |
| 2183 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2184 #if 0 | |
| 2185 if (fd != fdthis) // if nested | |
| 2186 { | |
| 2187 fdthis->getLevel(loc, fd); | |
| 2188 fd->vthis->nestedref = 1; | |
| 2189 fd->nestedFrameRef = 1; | |
| 2190 } | |
| 2191 #endif | |
| 336 | 2192 if (!sc->intypeof) |
| 2193 sc->callSuper |= CSXthis; | |
| 159 | 2194 return this; |
| 2195 | |
| 2196 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
|
2197 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
|
2198 type = Type::terror; |
| 159 | 2199 return this; |
| 2200 } | |
| 2201 | |
| 2202 int ThisExp::isBool(int result) | |
| 2203 { | |
| 2204 return result ? TRUE : FALSE; | |
| 2205 } | |
| 2206 | |
| 2207 void ThisExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2208 { | |
| 2209 buf->writestring("this"); | |
| 2210 } | |
| 2211 | |
| 2212 Expression *ThisExp::toLvalue(Scope *sc, Expression *e) | |
| 2213 { | |
| 2214 return this; | |
| 2215 } | |
| 2216 | |
| 2217 /******************************** SuperExp **************************/ | |
| 2218 | |
| 2219 SuperExp::SuperExp(Loc loc) | |
| 2220 : ThisExp(loc) | |
| 2221 { | |
| 2222 op = TOKsuper; | |
| 2223 } | |
| 2224 | |
| 2225 Expression *SuperExp::semantic(Scope *sc) | |
| 2226 { FuncDeclaration *fd; | |
| 2227 FuncDeclaration *fdthis; | |
| 2228 ClassDeclaration *cd; | |
| 2229 Dsymbol *s; | |
| 2230 | |
| 2231 #if LOGSEMANTIC | |
| 2232 printf("SuperExp::semantic('%s')\n", toChars()); | |
| 2233 #endif | |
| 2234 if (type) | |
| 2235 return this; | |
| 2236 | |
| 2237 /* Special case for typeof(this) and typeof(super) since both | |
| 2238 * should work even if they are not inside a non-static member function | |
| 2239 */ | |
| 2240 if (sc->intypeof) | |
| 2241 { | |
| 2242 // Find enclosing class | |
| 2243 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 2244 { | |
| 2245 ClassDeclaration *cd; | |
| 2246 | |
| 2247 if (!s) | |
| 2248 { | |
| 2249 error("%s is not in a class scope", toChars()); | |
| 2250 goto Lerr; | |
| 2251 } | |
| 2252 cd = s->isClassDeclaration(); | |
| 2253 if (cd) | |
| 2254 { | |
| 2255 cd = cd->baseClass; | |
| 2256 if (!cd) | |
| 2257 { error("class %s has no 'super'", s->toChars()); | |
| 2258 goto Lerr; | |
| 2259 } | |
| 2260 type = cd->type; | |
| 2261 return this; | |
| 2262 } | |
| 2263 } | |
| 2264 } | |
| 2265 | |
| 2266 fdthis = sc->parent->isFuncDeclaration(); | |
| 2267 fd = hasThis(sc); | |
| 2268 if (!fd) | |
| 2269 goto Lerr; | |
| 2270 assert(fd->vthis); | |
| 2271 var = fd->vthis; | |
| 2272 assert(var->parent); | |
| 2273 | |
| 2274 s = fd->toParent(); | |
| 2275 while (s && s->isTemplateInstance()) | |
| 2276 s = s->toParent(); | |
| 2277 assert(s); | |
| 2278 cd = s->isClassDeclaration(); | |
| 2279 //printf("parent is %s %s\n", fd->toParent()->kind(), fd->toParent()->toChars()); | |
| 2280 if (!cd) | |
| 2281 goto Lerr; | |
| 2282 if (!cd->baseClass) | |
| 2283 { | |
| 2284 error("no base class for %s", cd->toChars()); | |
| 2285 type = fd->vthis->type; | |
| 2286 } | |
| 2287 else | |
| 2288 { | |
| 2289 type = cd->baseClass->type; | |
| 2290 } | |
| 2291 | |
| 2292 var->isVarDeclaration()->checkNestedReference(sc, loc); | |
| 2293 #if 0 | |
| 2294 if (fd != fdthis) | |
| 2295 { | |
| 2296 fdthis->getLevel(loc, fd); | |
| 2297 fd->vthis->nestedref = 1; | |
| 2298 fd->nestedFrameRef = 1; | |
| 2299 } | |
| 2300 #endif | |
| 2301 | |
| 336 | 2302 if (!sc->intypeof) |
| 2303 sc->callSuper |= CSXsuper; | |
| 159 | 2304 return this; |
| 2305 | |
| 2306 | |
| 2307 Lerr: | |
| 2308 error("'super' is only allowed in non-static class member functions"); | |
| 2309 type = Type::tint32; | |
| 2310 return this; | |
| 2311 } | |
| 2312 | |
| 2313 void SuperExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2314 { | |
| 2315 buf->writestring("super"); | |
| 2316 } | |
| 2317 | |
| 2318 | |
| 2319 /******************************** NullExp **************************/ | |
| 2320 | |
| 2321 NullExp::NullExp(Loc loc) | |
| 2322 : Expression(loc, TOKnull, sizeof(NullExp)) | |
| 2323 { | |
| 2324 committed = 0; | |
| 2325 } | |
| 2326 | |
| 2327 Expression *NullExp::semantic(Scope *sc) | |
| 2328 { | |
| 2329 #if LOGSEMANTIC | |
| 2330 printf("NullExp::semantic('%s')\n", toChars()); | |
| 2331 #endif | |
| 2332 // NULL is the same as (void *)0 | |
| 2333 if (!type) | |
| 2334 type = Type::tvoid->pointerTo(); | |
| 2335 return this; | |
| 2336 } | |
| 2337 | |
| 2338 int NullExp::isBool(int result) | |
| 2339 { | |
| 2340 return result ? FALSE : TRUE; | |
| 2341 } | |
| 2342 | |
| 2343 void NullExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2344 { | |
| 2345 buf->writestring("null"); | |
| 2346 } | |
| 2347 | |
| 2348 void NullExp::toMangleBuffer(OutBuffer *buf) | |
| 2349 { | |
| 2350 buf->writeByte('n'); | |
| 2351 } | |
| 2352 | |
| 2353 /******************************** StringExp **************************/ | |
| 2354 | |
| 2355 StringExp::StringExp(Loc loc, char *string) | |
| 2356 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2357 { | |
| 2358 this->string = string; | |
| 2359 this->len = strlen(string); | |
| 2360 this->sz = 1; | |
| 2361 this->committed = 0; | |
| 2362 this->postfix = 0; | |
| 2363 } | |
| 2364 | |
| 2365 StringExp::StringExp(Loc loc, void *string, size_t len) | |
| 2366 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2367 { | |
| 2368 this->string = string; | |
| 2369 this->len = len; | |
| 2370 this->sz = 1; | |
| 2371 this->committed = 0; | |
| 2372 this->postfix = 0; | |
| 2373 } | |
| 2374 | |
| 2375 StringExp::StringExp(Loc loc, void *string, size_t len, unsigned char postfix) | |
| 2376 : Expression(loc, TOKstring, sizeof(StringExp)) | |
| 2377 { | |
| 2378 this->string = string; | |
| 2379 this->len = len; | |
| 2380 this->sz = 1; | |
| 2381 this->committed = 0; | |
| 2382 this->postfix = postfix; | |
| 2383 } | |
| 2384 | |
| 2385 #if 0 | |
| 2386 Expression *StringExp::syntaxCopy() | |
| 2387 { | |
| 2388 printf("StringExp::syntaxCopy() %s\n", toChars()); | |
| 2389 return copy(); | |
| 2390 } | |
| 2391 #endif | |
| 2392 | |
| 2393 int StringExp::equals(Object *o) | |
| 2394 { | |
| 2395 //printf("StringExp::equals('%s')\n", o->toChars()); | |
| 2396 if (o && o->dyncast() == DYNCAST_EXPRESSION) | |
| 2397 { Expression *e = (Expression *)o; | |
| 2398 | |
| 2399 if (e->op == TOKstring) | |
| 2400 { | |
| 2401 return compare(o) == 0; | |
| 2402 } | |
| 2403 } | |
| 2404 return FALSE; | |
| 2405 } | |
| 2406 | |
| 2407 char *StringExp::toChars() | |
| 2408 { | |
| 2409 OutBuffer buf; | |
| 2410 HdrGenState hgs; | |
| 2411 char *p; | |
| 2412 | |
| 2413 memset(&hgs, 0, sizeof(hgs)); | |
| 2414 toCBuffer(&buf, &hgs); | |
| 2415 buf.writeByte(0); | |
| 2416 p = (char *)buf.data; | |
| 2417 buf.data = NULL; | |
| 2418 return p; | |
| 2419 } | |
| 2420 | |
| 2421 Expression *StringExp::semantic(Scope *sc) | |
| 2422 { | |
| 2423 #if LOGSEMANTIC | |
| 2424 printf("StringExp::semantic() %s\n", toChars()); | |
| 2425 #endif | |
| 2426 if (!type) | |
| 2427 { OutBuffer buffer; | |
| 2428 size_t newlen = 0; | |
| 2429 char *p; | |
| 2430 size_t u; | |
| 2431 unsigned c; | |
| 2432 | |
| 2433 switch (postfix) | |
| 2434 { | |
| 2435 case 'd': | |
| 2436 for (u = 0; u < len;) | |
| 2437 { | |
| 2438 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2439 if (p) | |
| 2440 { error("%s", p); | |
| 2441 break; | |
| 2442 } | |
| 2443 else | |
| 2444 { buffer.write4(c); | |
| 2445 newlen++; | |
| 2446 } | |
| 2447 } | |
| 2448 buffer.write4(0); | |
| 2449 string = buffer.extractData(); | |
| 2450 len = newlen; | |
| 2451 sz = 4; | |
| 2452 type = new TypeSArray(Type::tdchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2453 committed = 1; | |
| 2454 break; | |
| 2455 | |
| 2456 case 'w': | |
| 2457 for (u = 0; u < len;) | |
| 2458 { | |
| 2459 p = utf_decodeChar((unsigned char *)string, len, &u, &c); | |
| 2460 if (p) | |
| 2461 { error("%s", p); | |
| 2462 break; | |
| 2463 } | |
| 2464 else | |
| 2465 { buffer.writeUTF16(c); | |
| 2466 newlen++; | |
| 2467 if (c >= 0x10000) | |
| 2468 newlen++; | |
| 2469 } | |
| 2470 } | |
| 2471 buffer.writeUTF16(0); | |
| 2472 string = buffer.extractData(); | |
| 2473 len = newlen; | |
| 2474 sz = 2; | |
| 2475 type = new TypeSArray(Type::twchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2476 committed = 1; | |
| 2477 break; | |
| 2478 | |
| 2479 case 'c': | |
| 2480 committed = 1; | |
| 2481 default: | |
| 2482 type = new TypeSArray(Type::tchar, new IntegerExp(loc, len, Type::tindex)); | |
| 2483 break; | |
| 2484 } | |
| 2485 type = type->semantic(loc, sc); | |
| 2486 } | |
| 2487 return this; | |
| 2488 } | |
| 2489 | |
| 2490 /**************************************** | |
| 2491 * Convert string to char[]. | |
| 2492 */ | |
| 2493 | |
| 2494 StringExp *StringExp::toUTF8(Scope *sc) | |
| 2495 { | |
| 2496 if (sz != 1) | |
| 2497 { // Convert to UTF-8 string | |
| 2498 committed = 0; | |
| 2499 Expression *e = castTo(sc, Type::tchar->arrayOf()); | |
| 2500 e = e->optimize(WANTvalue); | |
| 2501 assert(e->op == TOKstring); | |
| 2502 StringExp *se = (StringExp *)e; | |
| 2503 assert(se->sz == 1); | |
| 2504 return se; | |
| 2505 } | |
| 2506 return this; | |
| 2507 } | |
| 2508 | |
| 2509 int StringExp::compare(Object *obj) | |
| 2510 { | |
| 2511 // Used to sort case statement expressions so we can do an efficient lookup | |
| 2512 StringExp *se2 = (StringExp *)(obj); | |
| 2513 | |
| 2514 // This is a kludge so isExpression() in template.c will return 5 | |
| 2515 // for StringExp's. | |
| 2516 if (!se2) | |
| 2517 return 5; | |
| 2518 | |
| 2519 assert(se2->op == TOKstring); | |
| 2520 | |
| 2521 int len1 = len; | |
| 2522 int len2 = se2->len; | |
| 2523 | |
| 2524 if (len1 == len2) | |
| 2525 { | |
| 2526 switch (sz) | |
| 2527 { | |
| 2528 case 1: | |
| 2529 return strcmp((char *)string, (char *)se2->string); | |
| 2530 | |
| 2531 case 2: | |
| 2532 { unsigned u; | |
| 2533 d_wchar *s1 = (d_wchar *)string; | |
| 2534 d_wchar *s2 = (d_wchar *)se2->string; | |
| 2535 | |
| 2536 for (u = 0; u < len; u++) | |
| 2537 { | |
| 2538 if (s1[u] != s2[u]) | |
| 2539 return s1[u] - s2[u]; | |
| 2540 } | |
| 2541 } | |
| 2542 | |
| 2543 case 4: | |
| 2544 { unsigned u; | |
| 2545 d_dchar *s1 = (d_dchar *)string; | |
| 2546 d_dchar *s2 = (d_dchar *)se2->string; | |
| 2547 | |
| 2548 for (u = 0; u < len; u++) | |
| 2549 { | |
| 2550 if (s1[u] != s2[u]) | |
| 2551 return s1[u] - s2[u]; | |
| 2552 } | |
| 2553 } | |
| 2554 break; | |
| 2555 | |
| 2556 default: | |
| 2557 assert(0); | |
| 2558 } | |
| 2559 } | |
| 2560 return len1 - len2; | |
| 2561 } | |
| 2562 | |
| 2563 int StringExp::isBool(int result) | |
| 2564 { | |
| 2565 return result ? TRUE : FALSE; | |
| 2566 } | |
| 2567 | |
| 2568 unsigned StringExp::charAt(size_t i) | |
| 2569 { unsigned value; | |
| 2570 | |
| 2571 switch (sz) | |
| 2572 { | |
| 2573 case 1: | |
| 2574 value = ((unsigned char *)string)[i]; | |
| 2575 break; | |
| 2576 | |
| 2577 case 2: | |
| 2578 value = ((unsigned short *)string)[i]; | |
| 2579 break; | |
| 2580 | |
| 2581 case 4: | |
| 2582 value = ((unsigned int *)string)[i]; | |
| 2583 break; | |
| 2584 | |
| 2585 default: | |
| 2586 assert(0); | |
| 2587 break; | |
| 2588 } | |
| 2589 return value; | |
| 2590 } | |
| 2591 | |
| 2592 void StringExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2593 { | |
| 2594 buf->writeByte('"'); | |
| 2595 for (size_t i = 0; i < len; i++) | |
| 2596 { unsigned c = charAt(i); | |
| 2597 | |
| 2598 switch (c) | |
| 2599 { | |
| 2600 case '"': | |
| 2601 case '\\': | |
| 2602 if (!hgs->console) | |
| 2603 buf->writeByte('\\'); | |
| 2604 default: | |
| 2605 if (c <= 0xFF) | |
| 2606 { if (c <= 0x7F && (isprint(c) || hgs->console)) | |
| 2607 buf->writeByte(c); | |
| 2608 else | |
| 2609 buf->printf("\\x%02x", c); | |
| 2610 } | |
| 2611 else if (c <= 0xFFFF) | |
| 2612 buf->printf("\\x%02x\\x%02x", c & 0xFF, c >> 8); | |
| 2613 else | |
| 2614 buf->printf("\\x%02x\\x%02x\\x%02x\\x%02x", | |
| 2615 c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF, c >> 24); | |
| 2616 break; | |
| 2617 } | |
| 2618 } | |
| 2619 buf->writeByte('"'); | |
| 2620 if (postfix) | |
| 2621 buf->writeByte(postfix); | |
| 2622 } | |
| 2623 | |
| 2624 void StringExp::toMangleBuffer(OutBuffer *buf) | |
| 2625 { char m; | |
| 2626 OutBuffer tmp; | |
| 2627 char *p; | |
| 2628 unsigned c; | |
| 2629 size_t u; | |
| 2630 unsigned char *q; | |
| 2631 unsigned qlen; | |
| 2632 | |
| 2633 /* Write string in UTF-8 format | |
| 2634 */ | |
| 2635 switch (sz) | |
| 2636 { case 1: | |
| 2637 m = 'a'; | |
| 2638 q = (unsigned char *)string; | |
| 2639 qlen = len; | |
| 2640 break; | |
| 2641 case 2: | |
| 2642 m = 'w'; | |
| 2643 for (u = 0; u < len; ) | |
| 2644 { | |
| 2645 p = utf_decodeWchar((unsigned short *)string, len, &u, &c); | |
| 2646 if (p) | |
| 2647 error("%s", p); | |
| 2648 else | |
| 2649 tmp.writeUTF8(c); | |
| 2650 } | |
| 2651 q = tmp.data; | |
| 2652 qlen = tmp.offset; | |
| 2653 break; | |
| 2654 case 4: | |
| 2655 m = 'd'; | |
| 2656 for (u = 0; u < len; u++) | |
| 2657 { | |
| 2658 c = ((unsigned *)string)[u]; | |
| 2659 if (!utf_isValidDchar(c)) | |
| 2660 error("invalid UCS-32 char \\U%08x", c); | |
| 2661 else | |
| 2662 tmp.writeUTF8(c); | |
| 2663 } | |
| 2664 q = tmp.data; | |
| 2665 qlen = tmp.offset; | |
| 2666 break; | |
| 2667 default: | |
| 2668 assert(0); | |
| 2669 } | |
| 2670 buf->writeByte(m); | |
| 2671 buf->printf("%d_", qlen); | |
| 2672 for (size_t i = 0; i < qlen; i++) | |
| 2673 buf->printf("%02x", q[i]); | |
| 2674 } | |
| 2675 | |
| 2676 /************************ ArrayLiteralExp ************************************/ | |
| 2677 | |
| 2678 // [ e1, e2, e3, ... ] | |
| 2679 | |
| 2680 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expressions *elements) | |
| 2681 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2682 { | |
| 2683 this->elements = elements; | |
| 2684 } | |
| 2685 | |
| 2686 ArrayLiteralExp::ArrayLiteralExp(Loc loc, Expression *e) | |
| 2687 : Expression(loc, TOKarrayliteral, sizeof(ArrayLiteralExp)) | |
| 2688 { | |
| 2689 elements = new Expressions; | |
| 2690 elements->push(e); | |
| 2691 } | |
| 2692 | |
| 2693 Expression *ArrayLiteralExp::syntaxCopy() | |
| 2694 { | |
| 2695 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 2696 } | |
| 2697 | |
| 2698 Expression *ArrayLiteralExp::semantic(Scope *sc) | |
| 2699 { Expression *e; | |
| 2700 Type *t0 = NULL; | |
| 2701 | |
| 2702 #if LOGSEMANTIC | |
| 2703 printf("ArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2704 #endif | |
| 2705 if (type) | |
| 2706 return this; | |
| 2707 | |
| 2708 // Run semantic() on each element | |
| 2709 for (int i = 0; i < elements->dim; i++) | |
| 2710 { e = (Expression *)elements->data[i]; | |
| 2711 e = e->semantic(sc); | |
| 2712 elements->data[i] = (void *)e; | |
| 2713 } | |
| 2714 expandTuples(elements); | |
| 2715 for (int i = 0; i < elements->dim; i++) | |
| 2716 { e = (Expression *)elements->data[i]; | |
| 2717 | |
| 2718 if (!e->type) | |
| 2719 error("%s has no value", e->toChars()); | |
| 2720 e = resolveProperties(sc, e); | |
| 2721 | |
| 2722 unsigned char committed = 1; | |
| 2723 if (e->op == TOKstring) | |
| 2724 committed = ((StringExp *)e)->committed; | |
| 2725 | |
| 2726 if (!t0) | |
| 2727 { t0 = e->type; | |
| 2728 // Convert any static arrays to dynamic arrays | |
| 2729 if (t0->ty == Tsarray) | |
| 2730 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2731 t0 = ((TypeSArray *)t0)->next->arrayOf(); |
| 159 | 2732 e = e->implicitCastTo(sc, t0); |
| 2733 } | |
| 2734 } | |
| 2735 else | |
| 2736 e = e->implicitCastTo(sc, t0); | |
| 2737 if (!committed && e->op == TOKstring) | |
| 2738 { StringExp *se = (StringExp *)e; | |
| 2739 se->committed = 0; | |
| 2740 } | |
| 2741 elements->data[i] = (void *)e; | |
| 2742 } | |
| 2743 | |
| 2744 if (!t0) | |
| 2745 t0 = Type::tvoid; | |
| 2746 type = new TypeSArray(t0, new IntegerExp(elements->dim)); | |
| 2747 type = type->semantic(loc, sc); | |
| 2748 return this; | |
| 2749 } | |
| 2750 | |
| 2751 int ArrayLiteralExp::checkSideEffect(int flag) | |
| 2752 { int f = 0; | |
| 2753 | |
| 2754 for (size_t i = 0; i < elements->dim; i++) | |
| 2755 { Expression *e = (Expression *)elements->data[i]; | |
| 2756 | |
| 2757 f |= e->checkSideEffect(2); | |
| 2758 } | |
| 2759 if (flag == 0 && f == 0) | |
| 2760 Expression::checkSideEffect(0); | |
| 2761 return f; | |
| 2762 } | |
| 2763 | |
| 2764 int ArrayLiteralExp::isBool(int result) | |
| 2765 { | |
| 2766 size_t dim = elements ? elements->dim : 0; | |
| 2767 return result ? (dim != 0) : (dim == 0); | |
| 2768 } | |
| 2769 | |
| 2770 void ArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2771 { | |
| 2772 buf->writeByte('['); | |
| 2773 argsToCBuffer(buf, elements, hgs); | |
| 2774 buf->writeByte(']'); | |
| 2775 } | |
| 2776 | |
| 2777 void ArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2778 { | |
| 2779 size_t dim = elements ? elements->dim : 0; | |
| 2780 buf->printf("A%u", dim); | |
| 2781 for (size_t i = 0; i < dim; i++) | |
| 2782 { Expression *e = (Expression *)elements->data[i]; | |
| 2783 e->toMangleBuffer(buf); | |
| 2784 } | |
| 2785 } | |
| 2786 | |
| 2787 /************************ AssocArrayLiteralExp ************************************/ | |
| 2788 | |
| 2789 // [ key0 : value0, key1 : value1, ... ] | |
| 2790 | |
| 2791 AssocArrayLiteralExp::AssocArrayLiteralExp(Loc loc, | |
| 2792 Expressions *keys, Expressions *values) | |
| 2793 : Expression(loc, TOKassocarrayliteral, sizeof(AssocArrayLiteralExp)) | |
| 2794 { | |
| 2795 assert(keys->dim == values->dim); | |
| 2796 this->keys = keys; | |
| 2797 this->values = values; | |
| 2798 } | |
| 2799 | |
| 2800 Expression *AssocArrayLiteralExp::syntaxCopy() | |
| 2801 { | |
| 2802 return new AssocArrayLiteralExp(loc, | |
| 2803 arraySyntaxCopy(keys), arraySyntaxCopy(values)); | |
| 2804 } | |
| 2805 | |
| 2806 Expression *AssocArrayLiteralExp::semantic(Scope *sc) | |
| 2807 { Expression *e; | |
| 2808 Type *tkey = NULL; | |
| 2809 Type *tvalue = NULL; | |
| 2810 | |
| 2811 #if LOGSEMANTIC | |
| 2812 printf("AssocArrayLiteralExp::semantic('%s')\n", toChars()); | |
| 2813 #endif | |
| 2814 | |
| 2815 // Run semantic() on each element | |
| 2816 for (size_t i = 0; i < keys->dim; i++) | |
| 2817 { Expression *key = (Expression *)keys->data[i]; | |
| 2818 Expression *value = (Expression *)values->data[i]; | |
| 2819 | |
| 2820 key = key->semantic(sc); | |
| 2821 value = value->semantic(sc); | |
| 2822 | |
| 2823 keys->data[i] = (void *)key; | |
| 2824 values->data[i] = (void *)value; | |
| 2825 } | |
| 2826 expandTuples(keys); | |
| 2827 expandTuples(values); | |
| 2828 if (keys->dim != values->dim) | |
| 2829 { | |
| 2830 error("number of keys is %u, must match number of values %u", keys->dim, values->dim); | |
| 2831 keys->setDim(0); | |
| 2832 values->setDim(0); | |
| 2833 } | |
| 2834 for (size_t i = 0; i < keys->dim; i++) | |
| 2835 { Expression *key = (Expression *)keys->data[i]; | |
| 2836 Expression *value = (Expression *)values->data[i]; | |
| 2837 | |
| 2838 if (!key->type) | |
| 2839 error("%s has no value", key->toChars()); | |
| 2840 if (!value->type) | |
| 2841 error("%s has no value", value->toChars()); | |
| 2842 key = resolveProperties(sc, key); | |
| 2843 value = resolveProperties(sc, value); | |
| 2844 | |
| 2845 if (!tkey) | |
| 2846 tkey = key->type; | |
| 2847 else | |
| 2848 key = key->implicitCastTo(sc, tkey); | |
| 2849 keys->data[i] = (void *)key; | |
| 2850 | |
| 2851 if (!tvalue) | |
| 2852 tvalue = value->type; | |
| 2853 else | |
| 2854 value = value->implicitCastTo(sc, tvalue); | |
| 2855 values->data[i] = (void *)value; | |
| 2856 } | |
| 2857 | |
| 2858 if (!tkey) | |
| 2859 tkey = Type::tvoid; | |
| 2860 if (!tvalue) | |
| 2861 tvalue = Type::tvoid; | |
| 2862 type = new TypeAArray(tvalue, tkey); | |
| 2863 type = type->semantic(loc, sc); | |
| 2864 return this; | |
| 2865 } | |
| 2866 | |
| 2867 int AssocArrayLiteralExp::checkSideEffect(int flag) | |
| 2868 { int f = 0; | |
| 2869 | |
| 2870 for (size_t i = 0; i < keys->dim; i++) | |
| 2871 { Expression *key = (Expression *)keys->data[i]; | |
| 2872 Expression *value = (Expression *)values->data[i]; | |
| 2873 | |
| 2874 f |= key->checkSideEffect(2); | |
| 2875 f |= value->checkSideEffect(2); | |
| 2876 } | |
| 2877 if (flag == 0 && f == 0) | |
| 2878 Expression::checkSideEffect(0); | |
| 2879 return f; | |
| 2880 } | |
| 2881 | |
| 2882 int AssocArrayLiteralExp::isBool(int result) | |
| 2883 { | |
| 2884 size_t dim = keys->dim; | |
| 2885 return result ? (dim != 0) : (dim == 0); | |
| 2886 } | |
| 2887 | |
| 2888 void AssocArrayLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2889 { | |
| 2890 buf->writeByte('['); | |
| 2891 for (size_t i = 0; i < keys->dim; i++) | |
| 2892 { Expression *key = (Expression *)keys->data[i]; | |
| 2893 Expression *value = (Expression *)values->data[i]; | |
| 2894 | |
| 2895 if (i) | |
| 2896 buf->writeByte(','); | |
| 2897 expToCBuffer(buf, hgs, key, PREC_assign); | |
| 2898 buf->writeByte(':'); | |
| 2899 expToCBuffer(buf, hgs, value, PREC_assign); | |
| 2900 } | |
| 2901 buf->writeByte(']'); | |
| 2902 } | |
| 2903 | |
| 2904 void AssocArrayLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 2905 { | |
| 2906 size_t dim = keys->dim; | |
| 2907 buf->printf("A%u", dim); | |
| 2908 for (size_t i = 0; i < dim; i++) | |
| 2909 { Expression *key = (Expression *)keys->data[i]; | |
| 2910 Expression *value = (Expression *)values->data[i]; | |
| 2911 | |
| 2912 key->toMangleBuffer(buf); | |
| 2913 value->toMangleBuffer(buf); | |
| 2914 } | |
| 2915 } | |
| 2916 | |
| 2917 /************************ StructLiteralExp ************************************/ | |
| 2918 | |
| 2919 // sd( e1, e2, e3, ... ) | |
| 2920 | |
| 2921 StructLiteralExp::StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements) | |
| 2922 : Expression(loc, TOKstructliteral, sizeof(StructLiteralExp)) | |
| 2923 { | |
| 2924 this->sd = sd; | |
| 2925 this->elements = elements; | |
| 2926 this->sym = NULL; | |
| 2927 this->soffset = 0; | |
| 2928 this->fillHoles = 1; | |
| 2929 } | |
| 2930 | |
| 2931 Expression *StructLiteralExp::syntaxCopy() | |
| 2932 { | |
| 2933 return new StructLiteralExp(loc, sd, arraySyntaxCopy(elements)); | |
| 2934 } | |
| 2935 | |
| 2936 Expression *StructLiteralExp::semantic(Scope *sc) | |
| 2937 { Expression *e; | |
| 2938 | |
| 2939 #if LOGSEMANTIC | |
| 2940 printf("StructLiteralExp::semantic('%s')\n", toChars()); | |
| 2941 #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
|
2942 if (type) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
2943 return this; |
| 159 | 2944 |
| 2945 // Run semantic() on each element | |
| 2946 for (size_t i = 0; i < elements->dim; i++) | |
| 2947 { e = (Expression *)elements->data[i]; | |
| 2948 if (!e) | |
| 2949 continue; | |
| 2950 e = e->semantic(sc); | |
| 2951 elements->data[i] = (void *)e; | |
| 2952 } | |
| 2953 expandTuples(elements); | |
| 2954 size_t offset = 0; | |
| 2955 for (size_t i = 0; i < elements->dim; i++) | |
| 2956 { e = (Expression *)elements->data[i]; | |
| 2957 if (!e) | |
| 2958 continue; | |
| 2959 | |
| 2960 if (!e->type) | |
| 2961 error("%s has no value", e->toChars()); | |
| 2962 e = resolveProperties(sc, e); | |
| 2963 if (i >= sd->fields.dim) | |
| 2964 { error("more initializers than fields of %s", sd->toChars()); | |
| 2965 break; | |
| 2966 } | |
| 2967 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 2968 VarDeclaration *v = s->isVarDeclaration(); | |
| 2969 assert(v); | |
| 2970 if (v->offset < offset) | |
| 2971 error("overlapping initialization for %s", v->toChars()); | |
| 2972 offset = v->offset + v->type->size(); | |
| 2973 | |
| 2974 Type *telem = v->type; | |
| 2975 while (!e->implicitConvTo(telem) && telem->toBasetype()->ty == Tsarray) | |
| 2976 { /* Static array initialization, as in: | |
| 2977 * T[3][5] = e; | |
| 2978 */ | |
| 2979 telem = telem->toBasetype()->nextOf(); | |
| 2980 } | |
| 2981 | |
| 2982 e = e->implicitCastTo(sc, telem); | |
| 2983 | |
| 2984 elements->data[i] = (void *)e; | |
| 2985 } | |
| 2986 | |
| 2987 /* Fill out remainder of elements[] with default initializers for fields[] | |
| 2988 */ | |
| 2989 for (size_t i = elements->dim; i < sd->fields.dim; i++) | |
| 2990 { Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 2991 VarDeclaration *v = s->isVarDeclaration(); | |
| 2992 assert(v); | |
| 2993 | |
| 2994 if (v->offset < offset) | |
| 2995 { e = NULL; | |
| 2996 sd->hasUnions = 1; | |
| 2997 } | |
| 2998 else | |
| 2999 { | |
| 3000 if (v->init) | |
| 3001 { e = v->init->toExpression(); | |
| 3002 if (!e) | |
| 3003 error("cannot make expression out of initializer for %s", v->toChars()); | |
| 3004 } | |
| 3005 else | |
| 3006 { e = v->type->defaultInit(); | |
| 3007 e->loc = loc; | |
| 3008 } | |
| 3009 offset = v->offset + v->type->size(); | |
| 3010 } | |
| 3011 elements->push(e); | |
| 3012 } | |
| 3013 | |
| 3014 type = sd->type; | |
| 3015 return this; | |
| 3016 } | |
| 3017 | |
| 3018 /************************************** | |
| 3019 * Gets expression at offset of type. | |
| 3020 * Returns NULL if not found. | |
| 3021 */ | |
| 3022 | |
| 3023 Expression *StructLiteralExp::getField(Type *type, unsigned offset) | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3024 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3025 //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
|
3026 // /*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
|
3027 Expression *e = NULL; |
| 159 | 3028 int i = getFieldIndex(type, offset); |
| 3029 | |
| 3030 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
|
3031 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3032 //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
|
3033 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
|
3034 e = (Expression *)elements->data[i]; |
| 159 | 3035 if (e) |
| 3036 { | |
| 3037 e = e->copy(); | |
| 3038 e->type = type; | |
| 3039 } | |
| 3040 } | |
| 3041 return e; | |
| 3042 } | |
| 3043 | |
| 3044 /************************************ | |
| 3045 * Get index of field. | |
| 3046 * Returns -1 if not found. | |
| 3047 */ | |
| 3048 | |
| 3049 int StructLiteralExp::getFieldIndex(Type *type, unsigned offset) | |
| 3050 { | |
| 3051 /* Find which field offset is by looking at the field offsets | |
| 3052 */ | |
| 3053 for (size_t i = 0; i < sd->fields.dim; i++) | |
| 3054 { | |
| 3055 Dsymbol *s = (Dsymbol *)sd->fields.data[i]; | |
| 3056 VarDeclaration *v = s->isVarDeclaration(); | |
| 3057 assert(v); | |
| 3058 | |
| 3059 if (offset == v->offset && | |
| 3060 type->size() == v->type->size()) | |
| 3061 { Expression *e = (Expression *)elements->data[i]; | |
| 3062 if (e) | |
| 3063 { | |
| 3064 return i; | |
| 3065 } | |
| 3066 break; | |
| 3067 } | |
| 3068 } | |
| 3069 return -1; | |
| 3070 } | |
| 3071 | |
| 3072 | |
| 3073 Expression *StructLiteralExp::toLvalue(Scope *sc, Expression *e) | |
| 3074 { | |
| 3075 return this; | |
| 3076 } | |
| 3077 | |
| 3078 | |
| 3079 int StructLiteralExp::checkSideEffect(int flag) | |
| 3080 { int f = 0; | |
| 3081 | |
| 3082 for (size_t i = 0; i < elements->dim; i++) | |
| 3083 { Expression *e = (Expression *)elements->data[i]; | |
| 3084 if (!e) | |
| 3085 continue; | |
| 3086 | |
| 3087 f |= e->checkSideEffect(2); | |
| 3088 } | |
| 3089 if (flag == 0 && f == 0) | |
| 3090 Expression::checkSideEffect(0); | |
| 3091 return f; | |
| 3092 } | |
| 3093 | |
| 3094 void StructLiteralExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3095 { | |
| 3096 buf->writestring(sd->toChars()); | |
| 3097 buf->writeByte('('); | |
| 3098 argsToCBuffer(buf, elements, hgs); | |
| 3099 buf->writeByte(')'); | |
| 3100 } | |
| 3101 | |
| 3102 void StructLiteralExp::toMangleBuffer(OutBuffer *buf) | |
| 3103 { | |
| 3104 size_t dim = elements ? elements->dim : 0; | |
| 3105 buf->printf("S%u", dim); | |
| 3106 for (size_t i = 0; i < dim; i++) | |
| 3107 { Expression *e = (Expression *)elements->data[i]; | |
| 3108 if (e) | |
| 3109 e->toMangleBuffer(buf); | |
| 3110 else | |
| 3111 buf->writeByte('v'); // 'v' for void | |
| 3112 } | |
| 3113 } | |
| 3114 | |
| 3115 /************************ TypeDotIdExp ************************************/ | |
| 3116 | |
| 3117 /* Things like: | |
| 3118 * int.size | |
| 3119 * foo.size | |
| 3120 * (foo).size | |
| 3121 * cast(foo).size | |
| 3122 */ | |
| 3123 | |
| 3124 TypeDotIdExp::TypeDotIdExp(Loc loc, Type *type, Identifier *ident) | |
| 3125 : Expression(loc, TOKtypedot, sizeof(TypeDotIdExp)) | |
| 3126 { | |
| 3127 this->type = type; | |
| 3128 this->ident = ident; | |
| 3129 } | |
| 3130 | |
| 3131 Expression *TypeDotIdExp::syntaxCopy() | |
| 3132 { | |
| 3133 TypeDotIdExp *te = new TypeDotIdExp(loc, type->syntaxCopy(), ident); | |
| 3134 return te; | |
| 3135 } | |
| 3136 | |
| 3137 Expression *TypeDotIdExp::semantic(Scope *sc) | |
| 3138 { Expression *e; | |
| 3139 | |
| 3140 #if LOGSEMANTIC | |
| 3141 printf("TypeDotIdExp::semantic()\n"); | |
| 3142 #endif | |
| 3143 e = new DotIdExp(loc, new TypeExp(loc, type), ident); | |
| 3144 e = e->semantic(sc); | |
| 3145 return e; | |
| 3146 } | |
| 3147 | |
| 3148 void TypeDotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3149 { | |
| 3150 buf->writeByte('('); | |
| 3151 type->toCBuffer(buf, NULL, hgs); | |
| 3152 buf->writeByte(')'); | |
| 3153 buf->writeByte('.'); | |
| 3154 buf->writestring(ident->toChars()); | |
| 3155 } | |
| 3156 | |
| 3157 /************************************************************/ | |
| 3158 | |
| 3159 // Mainly just a placeholder | |
| 3160 | |
| 3161 TypeExp::TypeExp(Loc loc, Type *type) | |
| 3162 : Expression(loc, TOKtype, sizeof(TypeExp)) | |
| 3163 { | |
| 3164 //printf("TypeExp::TypeExp(%s)\n", type->toChars()); | |
| 3165 this->type = type; | |
| 3166 } | |
| 3167 | |
| 3168 Expression *TypeExp::semantic(Scope *sc) | |
| 3169 { | |
| 3170 //printf("TypeExp::semantic(%s)\n", type->toChars()); | |
| 3171 type = type->semantic(loc, sc); | |
| 3172 return this; | |
| 3173 } | |
| 3174 | |
| 3175 void TypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3176 { | |
| 3177 type->toCBuffer(buf, NULL, hgs); | |
| 3178 } | |
| 3179 | |
| 3180 /************************************************************/ | |
| 3181 | |
| 3182 // Mainly just a placeholder | |
| 3183 | |
| 3184 ScopeExp::ScopeExp(Loc loc, ScopeDsymbol *pkg) | |
| 3185 : Expression(loc, TOKimport, sizeof(ScopeExp)) | |
| 3186 { | |
| 3187 //printf("ScopeExp::ScopeExp(pkg = '%s')\n", pkg->toChars()); | |
| 3188 //static int count; if (++count == 38) *(char*)0=0; | |
| 3189 this->sds = pkg; | |
| 3190 } | |
| 3191 | |
| 3192 Expression *ScopeExp::syntaxCopy() | |
| 3193 { | |
| 3194 ScopeExp *se = new ScopeExp(loc, (ScopeDsymbol *)sds->syntaxCopy(NULL)); | |
| 3195 return se; | |
| 3196 } | |
| 3197 | |
| 3198 Expression *ScopeExp::semantic(Scope *sc) | |
| 3199 { | |
| 3200 TemplateInstance *ti; | |
| 3201 ScopeDsymbol *sds2; | |
| 3202 | |
| 3203 #if LOGSEMANTIC | |
| 3204 printf("+ScopeExp::semantic('%s')\n", toChars()); | |
| 3205 #endif | |
| 3206 Lagain: | |
| 3207 ti = sds->isTemplateInstance(); | |
| 3208 if (ti && !global.errors) | |
| 3209 { Dsymbol *s; | |
| 3210 if (!ti->semanticdone) | |
| 3211 ti->semantic(sc); | |
| 3212 s = ti->inst->toAlias(); | |
| 3213 sds2 = s->isScopeDsymbol(); | |
| 3214 if (!sds2) | |
| 3215 { Expression *e; | |
| 3216 | |
| 3217 //printf("s = %s, '%s'\n", s->kind(), s->toChars()); | |
| 3218 if (ti->withsym) | |
| 3219 { | |
| 3220 // Same as wthis.s | |
| 3221 e = new VarExp(loc, ti->withsym->withstate->wthis); | |
| 3222 e = new DotVarExp(loc, e, s->isDeclaration()); | |
| 3223 } | |
| 3224 else | |
| 3225 e = new DsymbolExp(loc, s); | |
| 3226 e = e->semantic(sc); | |
| 3227 //printf("-1ScopeExp::semantic()\n"); | |
| 3228 return e; | |
| 3229 } | |
| 3230 if (sds2 != sds) | |
| 3231 { | |
| 3232 sds = sds2; | |
| 3233 goto Lagain; | |
| 3234 } | |
| 3235 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3236 } | |
| 3237 else | |
| 3238 { | |
| 3239 //printf("sds = %s, '%s'\n", sds->kind(), sds->toChars()); | |
| 3240 //printf("\tparent = '%s'\n", sds->parent->toChars()); | |
| 3241 sds->semantic(sc); | |
| 3242 } | |
| 3243 type = Type::tvoid; | |
| 3244 //printf("-2ScopeExp::semantic() %s\n", toChars()); | |
| 3245 return this; | |
| 3246 } | |
| 3247 | |
| 3248 void ScopeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3249 { | |
| 3250 if (sds->isTemplateInstance()) | |
| 3251 { | |
| 3252 sds->toCBuffer(buf, hgs); | |
| 3253 } | |
| 3254 else | |
| 3255 { | |
| 3256 buf->writestring(sds->kind()); | |
| 3257 buf->writestring(" "); | |
| 3258 buf->writestring(sds->toChars()); | |
| 3259 } | |
| 3260 } | |
| 3261 | |
| 3262 /********************** TemplateExp **************************************/ | |
| 3263 | |
| 3264 // Mainly just a placeholder | |
| 3265 | |
| 3266 TemplateExp::TemplateExp(Loc loc, TemplateDeclaration *td) | |
| 3267 : Expression(loc, TOKtemplate, sizeof(TemplateExp)) | |
| 3268 { | |
| 3269 //printf("TemplateExp(): %s\n", td->toChars()); | |
| 3270 this->td = td; | |
| 3271 } | |
| 3272 | |
| 3273 void TemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3274 { | |
| 3275 buf->writestring(td->toChars()); | |
| 3276 } | |
| 3277 | |
| 3278 void TemplateExp::rvalue() | |
| 3279 { | |
| 3280 error("template %s has no value", toChars()); | |
| 3281 } | |
| 3282 | |
| 3283 /********************** NewExp **************************************/ | |
| 3284 | |
| 3285 NewExp::NewExp(Loc loc, Expression *thisexp, Expressions *newargs, | |
| 3286 Type *newtype, Expressions *arguments) | |
| 3287 : Expression(loc, TOKnew, sizeof(NewExp)) | |
| 3288 { | |
| 3289 this->thisexp = thisexp; | |
| 3290 this->newargs = newargs; | |
| 3291 this->newtype = newtype; | |
| 3292 this->arguments = arguments; | |
| 3293 member = NULL; | |
| 3294 allocator = NULL; | |
| 3295 onstack = 0; | |
| 3296 } | |
| 3297 | |
| 3298 Expression *NewExp::syntaxCopy() | |
| 3299 { | |
| 3300 return new NewExp(loc, | |
| 3301 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3302 arraySyntaxCopy(newargs), | |
| 3303 newtype->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 3304 } | |
| 3305 | |
| 3306 | |
| 3307 Expression *NewExp::semantic(Scope *sc) | |
| 3308 { int i; | |
| 3309 Type *tb; | |
| 3310 ClassDeclaration *cdthis = NULL; | |
| 3311 | |
| 3312 #if LOGSEMANTIC | |
| 3313 printf("NewExp::semantic() %s\n", toChars()); | |
| 3314 if (thisexp) | |
| 3315 printf("\tthisexp = %s\n", thisexp->toChars()); | |
| 3316 printf("\tnewtype: %s\n", newtype->toChars()); | |
| 3317 #endif | |
| 3318 if (type) // if semantic() already run | |
| 3319 return this; | |
| 3320 | |
| 3321 Lagain: | |
| 3322 if (thisexp) | |
| 3323 { thisexp = thisexp->semantic(sc); | |
| 3324 cdthis = thisexp->type->isClassHandle(); | |
| 3325 if (cdthis) | |
| 3326 { | |
| 3327 sc = sc->push(cdthis); | |
| 3328 type = newtype->semantic(loc, sc); | |
| 3329 sc = sc->pop(); | |
| 3330 } | |
| 3331 else | |
| 3332 { | |
| 3333 error("'this' for nested class must be a class type, not %s", thisexp->type->toChars()); | |
| 3334 type = newtype->semantic(loc, sc); | |
| 3335 } | |
| 3336 } | |
| 3337 else | |
| 3338 type = newtype->semantic(loc, sc); | |
| 3339 newtype = type; // in case type gets cast to something else | |
| 3340 tb = type->toBasetype(); | |
| 3341 //printf("tb: %s, deco = %s\n", tb->toChars(), tb->deco); | |
| 3342 | |
| 3343 arrayExpressionSemantic(newargs, sc); | |
| 3344 preFunctionArguments(loc, sc, newargs); | |
| 3345 arrayExpressionSemantic(arguments, sc); | |
| 3346 preFunctionArguments(loc, sc, arguments); | |
| 3347 | |
| 3348 if (thisexp && tb->ty != Tclass) | |
| 3349 error("e.new is only for allocating nested classes, not %s", tb->toChars()); | |
| 3350 | |
| 3351 if (tb->ty == Tclass) | |
| 3352 { TypeFunction *tf; | |
| 3353 | |
| 3354 TypeClass *tc = (TypeClass *)(tb); | |
| 3355 ClassDeclaration *cd = tc->sym->isClassDeclaration(); | |
| 3356 if (cd->isInterfaceDeclaration()) | |
| 3357 error("cannot create instance of interface %s", cd->toChars()); | |
| 3358 else if (cd->isAbstract()) | |
| 3359 { error("cannot create instance of abstract class %s", cd->toChars()); | |
| 3360 for (int i = 0; i < cd->vtbl.dim; i++) | |
| 3361 { FuncDeclaration *fd = ((Dsymbol *)cd->vtbl.data[i])->isFuncDeclaration(); | |
| 3362 if (fd && fd->isAbstract()) | |
| 3363 error("function %s is abstract", fd->toChars()); | |
| 3364 } | |
| 3365 } | |
| 3366 checkDeprecated(sc, cd); | |
| 3367 if (cd->isNested()) | |
| 3368 { /* We need a 'this' pointer for the nested class. | |
| 3369 * Ensure we have the right one. | |
| 3370 */ | |
| 3371 Dsymbol *s = cd->toParent2(); | |
| 3372 ClassDeclaration *cdn = s->isClassDeclaration(); | |
| 3373 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3374 //printf("cd isNested, cdn = %s\n", cdn ? cdn->toChars() : "null"); |
| 159 | 3375 if (cdn) |
| 3376 { | |
| 3377 if (!cdthis) | |
| 3378 { | |
| 3379 // Supply an implicit 'this' and try again | |
| 3380 thisexp = new ThisExp(loc); | |
| 3381 for (Dsymbol *sp = sc->parent; 1; sp = sp->parent) | |
| 3382 { if (!sp) | |
| 3383 { | |
| 3384 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3385 break; | |
| 3386 } | |
| 3387 ClassDeclaration *cdp = sp->isClassDeclaration(); | |
| 3388 if (!cdp) | |
| 3389 continue; | |
| 3390 if (cdp == cdn || cdn->isBaseOf(cdp, NULL)) | |
| 3391 break; | |
| 3392 // Add a '.outer' and try again | |
| 3393 thisexp = new DotIdExp(loc, thisexp, Id::outer); | |
| 3394 } | |
| 3395 if (!global.errors) | |
| 3396 goto Lagain; | |
| 3397 } | |
| 3398 if (cdthis) | |
| 3399 { | |
| 3400 //printf("cdthis = %s\n", cdthis->toChars()); | |
| 3401 if (cdthis != cdn && !cdn->isBaseOf(cdthis, NULL)) | |
| 3402 error("'this' for nested class must be of type %s, not %s", cdn->toChars(), thisexp->type->toChars()); | |
| 3403 } | |
| 3404 #if 0 | |
| 3405 else | |
| 3406 { | |
| 3407 for (Dsymbol *sf = sc->func; 1; sf= sf->toParent2()->isFuncDeclaration()) | |
| 3408 { | |
| 3409 if (!sf) | |
| 3410 { | |
| 3411 error("outer class %s 'this' needed to 'new' nested class %s", cdn->toChars(), cd->toChars()); | |
| 3412 break; | |
| 3413 } | |
| 3414 printf("sf = %s\n", sf->toChars()); | |
| 3415 AggregateDeclaration *ad = sf->isThis(); | |
| 3416 if (ad && (ad == cdn || cdn->isBaseOf(ad->isClassDeclaration(), NULL))) | |
| 3417 break; | |
| 3418 } | |
| 3419 } | |
| 3420 #endif | |
| 3421 } | |
| 3422 else if (thisexp) | |
| 3423 error("e.new is only for allocating nested classes"); | |
| 3424 } | |
| 3425 else if (thisexp) | |
| 3426 error("e.new is only for allocating nested classes"); | |
| 3427 | |
| 3428 FuncDeclaration *f = cd->ctor; | |
| 3429 if (f) | |
| 3430 { | |
| 3431 assert(f); | |
| 3432 f = f->overloadResolve(loc, arguments); | |
| 3433 checkDeprecated(sc, f); | |
| 3434 member = f->isCtorDeclaration(); | |
| 3435 assert(member); | |
| 3436 | |
| 3437 cd->accessCheck(loc, sc, member); | |
| 3438 | |
| 3439 tf = (TypeFunction *)f->type; | |
| 3440 type = tf->next; | |
| 3441 | |
| 3442 if (!arguments) | |
| 3443 arguments = new Expressions(); | |
| 3444 functionArguments(loc, sc, tf, arguments); | |
| 3445 } | |
| 3446 else | |
| 3447 { | |
| 3448 if (arguments && arguments->dim) | |
| 3449 error("no constructor for %s", cd->toChars()); | |
| 3450 } | |
| 3451 | |
| 3452 if (cd->aggNew) | |
| 3453 { Expression *e; | |
| 3454 | |
| 3455 f = cd->aggNew; | |
| 3456 | |
| 3457 // Prepend the uint size argument to newargs[] | |
| 3458 e = new IntegerExp(loc, cd->size(loc), Type::tuns32); | |
| 3459 if (!newargs) | |
| 3460 newargs = new Expressions(); | |
| 3461 newargs->shift(e); | |
| 3462 | |
| 3463 f = f->overloadResolve(loc, newargs); | |
| 3464 allocator = f->isNewDeclaration(); | |
| 3465 assert(allocator); | |
| 3466 | |
| 3467 tf = (TypeFunction *)f->type; | |
| 3468 functionArguments(loc, sc, tf, newargs); | |
| 3469 } | |
| 3470 else | |
| 3471 { | |
| 3472 if (newargs && newargs->dim) | |
| 3473 error("no allocator for %s", cd->toChars()); | |
| 3474 } | |
| 3475 | |
| 3476 } | |
| 3477 else if (tb->ty == Tstruct) | |
| 3478 { | |
| 3479 TypeStruct *ts = (TypeStruct *)tb; | |
| 3480 StructDeclaration *sd = ts->sym; | |
| 3481 FuncDeclaration *f = sd->aggNew; | |
| 3482 TypeFunction *tf; | |
| 3483 | |
| 3484 if (arguments && arguments->dim) | |
| 3485 error("no constructor for %s", type->toChars()); | |
| 3486 | |
| 3487 if (f) | |
| 3488 { | |
| 3489 Expression *e; | |
| 3490 | |
| 3491 // Prepend the uint size argument to newargs[] | |
| 3492 e = new IntegerExp(loc, sd->size(loc), Type::tuns32); | |
| 3493 if (!newargs) | |
| 3494 newargs = new Expressions(); | |
| 3495 newargs->shift(e); | |
| 3496 | |
| 3497 f = f->overloadResolve(loc, newargs); | |
| 3498 allocator = f->isNewDeclaration(); | |
| 3499 assert(allocator); | |
| 3500 | |
| 3501 tf = (TypeFunction *)f->type; | |
| 3502 functionArguments(loc, sc, tf, newargs); | |
| 3503 | |
| 3504 e = new VarExp(loc, f); | |
| 3505 e = new CallExp(loc, e, newargs); | |
| 3506 e = e->semantic(sc); | |
| 3507 e->type = type->pointerTo(); | |
| 3508 return e; | |
| 3509 } | |
| 3510 | |
| 3511 type = type->pointerTo(); | |
| 3512 } | |
| 3513 else if (tb->ty == Tarray && (arguments && arguments->dim)) | |
| 3514 { | |
| 3515 for (size_t i = 0; i < arguments->dim; i++) | |
| 3516 { | |
| 3517 if (tb->ty != Tarray) | |
| 3518 { error("too many arguments for array"); | |
| 3519 arguments->dim = i; | |
| 3520 break; | |
| 3521 } | |
| 3522 | |
| 3523 Expression *arg = (Expression *)arguments->data[i]; | |
| 3524 arg = resolveProperties(sc, arg); | |
| 3525 arg = arg->implicitCastTo(sc, Type::tsize_t); | |
| 3526 if (arg->op == TOKint64 && (long long)arg->toInteger() < 0) | |
| 3527 error("negative array index %s", arg->toChars()); | |
| 3528 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
|
3529 tb = ((TypeDArray *)tb)->next->toBasetype(); |
| 159 | 3530 } |
| 3531 } | |
| 3532 else if (tb->isscalar()) | |
| 3533 { | |
| 3534 if (arguments && arguments->dim) | |
| 3535 error("no constructor for %s", type->toChars()); | |
| 3536 | |
| 3537 type = type->pointerTo(); | |
| 3538 } | |
| 3539 else | |
| 3540 { | |
| 3541 error("new can only create structs, dynamic arrays or class objects, not %s's", type->toChars()); | |
| 3542 type = type->pointerTo(); | |
| 3543 } | |
| 3544 | |
| 3545 //printf("NewExp: '%s'\n", toChars()); | |
| 3546 //printf("NewExp:type '%s'\n", type->toChars()); | |
| 3547 | |
| 3548 return this; | |
| 3549 } | |
| 3550 | |
| 3551 int NewExp::checkSideEffect(int flag) | |
| 3552 { | |
| 3553 return 1; | |
| 3554 } | |
| 3555 | |
| 3556 void NewExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3557 { int i; | |
| 3558 | |
| 3559 if (thisexp) | |
| 3560 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3561 buf->writeByte('.'); | |
| 3562 } | |
| 3563 buf->writestring("new "); | |
| 3564 if (newargs && newargs->dim) | |
| 3565 { | |
| 3566 buf->writeByte('('); | |
| 3567 argsToCBuffer(buf, newargs, hgs); | |
| 3568 buf->writeByte(')'); | |
| 3569 } | |
| 3570 newtype->toCBuffer(buf, NULL, hgs); | |
| 3571 if (arguments && arguments->dim) | |
| 3572 { | |
| 3573 buf->writeByte('('); | |
| 3574 argsToCBuffer(buf, arguments, hgs); | |
| 3575 buf->writeByte(')'); | |
| 3576 } | |
| 3577 } | |
| 3578 | |
| 3579 /********************** NewAnonClassExp **************************************/ | |
| 3580 | |
| 3581 NewAnonClassExp::NewAnonClassExp(Loc loc, Expression *thisexp, | |
| 3582 Expressions *newargs, ClassDeclaration *cd, Expressions *arguments) | |
| 3583 : Expression(loc, TOKnewanonclass, sizeof(NewAnonClassExp)) | |
| 3584 { | |
| 3585 this->thisexp = thisexp; | |
| 3586 this->newargs = newargs; | |
| 3587 this->cd = cd; | |
| 3588 this->arguments = arguments; | |
| 3589 } | |
| 3590 | |
| 3591 Expression *NewAnonClassExp::syntaxCopy() | |
| 3592 { | |
| 3593 return new NewAnonClassExp(loc, | |
| 3594 thisexp ? thisexp->syntaxCopy() : NULL, | |
| 3595 arraySyntaxCopy(newargs), | |
| 3596 (ClassDeclaration *)cd->syntaxCopy(NULL), | |
| 3597 arraySyntaxCopy(arguments)); | |
| 3598 } | |
| 3599 | |
| 3600 | |
| 3601 Expression *NewAnonClassExp::semantic(Scope *sc) | |
| 3602 { | |
| 3603 #if LOGSEMANTIC | |
| 3604 printf("NewAnonClassExp::semantic() %s\n", toChars()); | |
| 336 | 3605 //printf("thisexp = %p\n", thisexp); |
| 159 | 3606 //printf("type: %s\n", type->toChars()); |
| 3607 #endif | |
| 3608 | |
| 3609 Expression *d = new DeclarationExp(loc, cd); | |
| 3610 d = d->semantic(sc); | |
| 3611 | |
| 3612 Expression *n = new NewExp(loc, thisexp, newargs, cd->type, arguments); | |
| 3613 | |
| 3614 Expression *c = new CommaExp(loc, d, n); | |
| 3615 return c->semantic(sc); | |
| 3616 } | |
| 3617 | |
| 3618 int NewAnonClassExp::checkSideEffect(int flag) | |
| 3619 { | |
| 3620 return 1; | |
| 3621 } | |
| 3622 | |
| 3623 void NewAnonClassExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3624 { int i; | |
| 3625 | |
| 3626 if (thisexp) | |
| 3627 { expToCBuffer(buf, hgs, thisexp, PREC_primary); | |
| 3628 buf->writeByte('.'); | |
| 3629 } | |
| 3630 buf->writestring("new"); | |
| 3631 if (newargs && newargs->dim) | |
| 3632 { | |
| 3633 buf->writeByte('('); | |
| 3634 argsToCBuffer(buf, newargs, hgs); | |
| 3635 buf->writeByte(')'); | |
| 3636 } | |
| 3637 buf->writestring(" class "); | |
| 3638 if (arguments && arguments->dim) | |
| 3639 { | |
| 3640 buf->writeByte('('); | |
| 3641 argsToCBuffer(buf, arguments, hgs); | |
| 3642 buf->writeByte(')'); | |
| 3643 } | |
| 3644 //buf->writestring(" { }"); | |
| 3645 if (cd) | |
| 3646 { | |
| 3647 cd->toCBuffer(buf, hgs); | |
| 3648 } | |
| 3649 } | |
| 3650 | |
| 3651 /********************** SymOffExp **************************************/ | |
| 3652 | |
| 3653 SymOffExp::SymOffExp(Loc loc, Declaration *var, unsigned offset) | |
| 3654 : Expression(loc, TOKsymoff, sizeof(SymOffExp)) | |
| 3655 { | |
| 3656 assert(var); | |
| 3657 this->var = var; | |
| 3658 this->offset = offset; | |
| 3659 VarDeclaration *v = var->isVarDeclaration(); | |
| 3660 if (v && v->needThis()) | |
| 3661 error("need 'this' for address of %s", v->toChars()); | |
| 3662 } | |
| 3663 | |
| 3664 Expression *SymOffExp::semantic(Scope *sc) | |
| 3665 { | |
| 3666 #if LOGSEMANTIC | |
| 3667 printf("SymOffExp::semantic('%s')\n", toChars()); | |
| 3668 #endif | |
| 3669 //var->semantic(sc); | |
| 3670 if (!type) | |
| 3671 type = var->type->pointerTo(); | |
| 3672 VarDeclaration *v = var->isVarDeclaration(); | |
| 3673 if (v) | |
| 3674 { | |
| 3675 v->checkNestedReference(sc, loc); | |
| 3676 } | |
| 3677 return this; | |
| 3678 } | |
| 3679 | |
| 3680 int SymOffExp::isBool(int result) | |
| 3681 { | |
| 3682 return result ? TRUE : FALSE; | |
| 3683 } | |
| 3684 | |
| 3685 void SymOffExp::checkEscape() | |
| 3686 { | |
| 3687 VarDeclaration *v = var->isVarDeclaration(); | |
| 3688 if (v) | |
| 3689 { | |
| 3690 if (!v->isDataseg()) | |
| 3691 error("escaping reference to local variable %s", v->toChars()); | |
| 3692 } | |
| 3693 } | |
| 3694 | |
| 3695 void SymOffExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3696 { | |
| 3697 if (offset) | |
| 3698 buf->printf("(& %s+%u)", var->toChars(), offset); | |
| 3699 else | |
| 3700 buf->printf("& %s", var->toChars()); | |
| 3701 } | |
| 3702 | |
| 3703 /******************************** VarExp **************************/ | |
| 3704 | |
| 3705 VarExp::VarExp(Loc loc, Declaration *var) | |
| 3706 : Expression(loc, TOKvar, sizeof(VarExp)) | |
| 3707 { | |
| 3708 //printf("VarExp(this = %p, '%s')\n", this, var->toChars()); | |
| 3709 this->var = var; | |
| 3710 this->type = var->type; | |
| 3711 } | |
| 3712 | |
| 3713 int VarExp::equals(Object *o) | |
| 3714 { VarExp *ne; | |
| 3715 | |
| 3716 if (this == o || | |
| 3717 (((Expression *)o)->op == TOKvar && | |
| 3718 ((ne = (VarExp *)o), type->equals(ne->type)) && | |
| 3719 var == ne->var)) | |
| 3720 return 1; | |
| 3721 return 0; | |
| 3722 } | |
| 3723 | |
| 3724 Expression *VarExp::semantic(Scope *sc) | |
| 3725 { FuncLiteralDeclaration *fd; | |
| 3726 | |
| 3727 #if LOGSEMANTIC | |
| 3728 printf("VarExp::semantic(%s)\n", toChars()); | |
| 3729 #endif | |
| 3730 if (!type) | |
| 3731 { type = var->type; | |
| 3732 #if 0 | |
| 3733 if (var->storage_class & STClazy) | |
| 3734 { | |
| 3735 TypeFunction *tf = new TypeFunction(NULL, type, 0, LINKd); | |
| 3736 type = new TypeDelegate(tf); | |
| 3737 type = type->semantic(loc, sc); | |
| 3738 } | |
| 3739 #endif | |
| 3740 } | |
| 3741 | |
|
163
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
lindquist
parents:
159
diff
changeset
|
3742 // LLVMDC: Fixes bug 1161, http://d.puremagic.com/issues/show_bug.cgi?id=1161 |
|
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
lindquist
parents:
159
diff
changeset
|
3743 // check access to VarDeclaration |
|
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
lindquist
parents:
159
diff
changeset
|
3744 accessCheck(loc, sc, NULL, var); |
|
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
lindquist
parents:
159
diff
changeset
|
3745 |
| 159 | 3746 VarDeclaration *v = var->isVarDeclaration(); |
| 3747 if (v) | |
| 3748 { | |
| 3749 if (v->isConst() && type->toBasetype()->ty != Tsarray && v->init) | |
| 3750 { | |
| 3751 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 3752 if (ei) | |
| 3753 { | |
| 3754 //ei->exp->implicitCastTo(sc, type)->print(); | |
| 3755 return ei->exp->implicitCastTo(sc, type); | |
| 3756 } | |
| 3757 } | |
| 3758 v->checkNestedReference(sc, loc); | |
| 3759 } | |
| 3760 #if 0 | |
| 3761 else if ((fd = var->isFuncLiteralDeclaration()) != NULL) | |
| 3762 { Expression *e; | |
| 3763 e = new FuncExp(loc, fd); | |
| 3764 e->type = type; | |
| 3765 return e; | |
| 3766 } | |
| 3767 #endif | |
| 3768 return this; | |
| 3769 } | |
| 3770 | |
| 3771 char *VarExp::toChars() | |
| 3772 { | |
| 3773 return var->toChars(); | |
| 3774 } | |
| 3775 | |
| 3776 void VarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3777 { | |
| 3778 buf->writestring(var->toChars()); | |
| 3779 } | |
| 3780 | |
| 3781 void VarExp::checkEscape() | |
| 3782 { | |
| 3783 VarDeclaration *v = var->isVarDeclaration(); | |
| 3784 if (v) | |
| 3785 { Type *tb = v->type->toBasetype(); | |
| 3786 // if reference type | |
| 3787 if (tb->ty == Tarray || tb->ty == Tsarray || tb->ty == Tclass) | |
| 3788 { | |
| 3789 if ((v->isAuto() || v->isScope()) && !v->noauto) | |
| 3790 error("escaping reference to auto local %s", v->toChars()); | |
| 3791 else if (v->storage_class & STCvariadic) | |
| 3792 error("escaping reference to variadic parameter %s", v->toChars()); | |
| 3793 } | |
| 3794 } | |
| 3795 } | |
| 3796 | |
| 3797 Expression *VarExp::toLvalue(Scope *sc, Expression *e) | |
| 3798 { | |
| 3799 #if 0 | |
| 3800 tym = tybasic(e1->ET->Tty); | |
| 3801 if (!(tyscalar(tym) || | |
| 3802 tym == TYstruct || | |
| 3803 tym == TYarray && e->Eoper == TOKaddr)) | |
| 3804 synerr(EM_lvalue); // lvalue expected | |
| 3805 #endif | |
| 3806 if (var->storage_class & STClazy) | |
| 3807 error("lazy variables cannot be lvalues"); | |
| 3808 return this; | |
| 3809 } | |
| 3810 | |
| 3811 Expression *VarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 3812 { | |
| 3813 //printf("VarExp::modifiableLvalue('%s')\n", var->toChars()); | |
| 3814 if (sc->incontract && var->isParameter()) | |
| 3815 error("cannot modify parameter '%s' in contract", var->toChars()); | |
| 3816 | |
| 3817 if (type && type->toBasetype()->ty == Tsarray) | |
| 3818 error("cannot change reference to static array '%s'", var->toChars()); | |
| 3819 | |
| 3820 VarDeclaration *v = var->isVarDeclaration(); | |
| 3821 if (v && v->canassign == 0 && | |
| 3822 (var->isConst() || (global.params.Dversion > 1 && var->isFinal()))) | |
| 3823 error("cannot modify final variable '%s'", var->toChars()); | |
| 3824 | |
| 3825 if (var->isCtorinit()) | |
| 3826 { // It's only modifiable if inside the right constructor | |
| 3827 Dsymbol *s = sc->func; | |
| 3828 while (1) | |
| 3829 { | |
| 3830 FuncDeclaration *fd = NULL; | |
| 3831 if (s) | |
| 3832 fd = s->isFuncDeclaration(); | |
| 3833 if (fd && | |
| 3834 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 3835 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 3836 fd->toParent() == var->toParent() | |
| 3837 ) | |
| 3838 { | |
| 3839 VarDeclaration *v = var->isVarDeclaration(); | |
| 3840 assert(v); | |
| 3841 v->ctorinit = 1; | |
| 3842 //printf("setting ctorinit\n"); | |
| 3843 } | |
| 3844 else | |
| 3845 { | |
| 3846 if (s) | |
| 3847 { s = s->toParent2(); | |
| 3848 continue; | |
| 3849 } | |
| 3850 else | |
| 3851 { | |
| 3852 const char *p = var->isStatic() ? "static " : ""; | |
| 3853 error("can only initialize %sconst %s inside %sconstructor", | |
| 3854 p, var->toChars(), p); | |
| 3855 } | |
| 3856 } | |
| 3857 break; | |
| 3858 } | |
| 3859 } | |
| 3860 | |
| 3861 // See if this expression is a modifiable lvalue (i.e. not const) | |
| 3862 return toLvalue(sc, e); | |
| 3863 } | |
| 3864 | |
| 3865 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3866 /******************************** OverExp **************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3867 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3868 #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
|
3869 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
|
3870 : 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
|
3871 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3872 //printf("OverExp(this = %p, '%s')\n", this, var->toChars()); |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3873 vars = s; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3874 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
|
3875 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3876 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3877 int OverExp::isLvalue() |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3878 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3879 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
|
3880 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3881 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3882 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
|
3883 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3884 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
|
3885 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3886 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3887 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
3888 |
| 159 | 3889 /******************************** TupleExp **************************/ |
| 3890 | |
| 3891 TupleExp::TupleExp(Loc loc, Expressions *exps) | |
| 3892 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 3893 { | |
| 3894 //printf("TupleExp(this = %p)\n", this); | |
| 3895 this->exps = exps; | |
| 3896 this->type = NULL; | |
| 3897 } | |
| 3898 | |
| 3899 | |
| 3900 TupleExp::TupleExp(Loc loc, TupleDeclaration *tup) | |
| 3901 : Expression(loc, TOKtuple, sizeof(TupleExp)) | |
| 3902 { | |
| 3903 exps = new Expressions(); | |
| 3904 type = NULL; | |
| 3905 | |
| 3906 exps->reserve(tup->objects->dim); | |
| 3907 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 3908 { Object *o = (Object *)tup->objects->data[i]; | |
| 3909 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 3910 { | |
| 3911 Expression *e = (Expression *)o; | |
| 3912 e = e->syntaxCopy(); | |
| 3913 exps->push(e); | |
| 3914 } | |
| 3915 else if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 3916 { | |
| 3917 Dsymbol *s = (Dsymbol *)o; | |
| 3918 Expression *e = new DsymbolExp(loc, s); | |
| 3919 exps->push(e); | |
| 3920 } | |
| 3921 else if (o->dyncast() == DYNCAST_TYPE) | |
| 3922 { | |
| 3923 Type *t = (Type *)o; | |
| 3924 Expression *e = new TypeExp(loc, t); | |
| 3925 exps->push(e); | |
| 3926 } | |
| 3927 else | |
| 3928 { | |
| 3929 error("%s is not an expression", o->toChars()); | |
| 3930 } | |
| 3931 } | |
| 3932 } | |
| 3933 | |
| 3934 int TupleExp::equals(Object *o) | |
| 3935 { TupleExp *ne; | |
| 3936 | |
| 3937 if (this == o) | |
| 3938 return 1; | |
| 3939 if (((Expression *)o)->op == TOKtuple) | |
| 3940 { | |
| 3941 TupleExp *te = (TupleExp *)o; | |
| 3942 if (exps->dim != te->exps->dim) | |
| 3943 return 0; | |
| 3944 for (size_t i = 0; i < exps->dim; i++) | |
| 3945 { Expression *e1 = (Expression *)exps->data[i]; | |
| 3946 Expression *e2 = (Expression *)te->exps->data[i]; | |
| 3947 | |
| 3948 if (!e1->equals(e2)) | |
| 3949 return 0; | |
| 3950 } | |
| 3951 return 1; | |
| 3952 } | |
| 3953 return 0; | |
| 3954 } | |
| 3955 | |
| 3956 Expression *TupleExp::syntaxCopy() | |
| 3957 { | |
| 3958 return new TupleExp(loc, arraySyntaxCopy(exps)); | |
| 3959 } | |
| 3960 | |
| 3961 Expression *TupleExp::semantic(Scope *sc) | |
| 3962 { | |
| 3963 #if LOGSEMANTIC | |
| 3964 printf("+TupleExp::semantic(%s)\n", toChars()); | |
| 3965 #endif | |
| 3966 if (type) | |
| 3967 return this; | |
| 3968 | |
| 3969 // Run semantic() on each argument | |
| 3970 for (size_t i = 0; i < exps->dim; i++) | |
| 3971 { Expression *e = (Expression *)exps->data[i]; | |
| 3972 | |
| 3973 e = e->semantic(sc); | |
| 3974 if (!e->type) | |
| 3975 { error("%s has no value", e->toChars()); | |
| 3976 e->type = Type::terror; | |
| 3977 } | |
| 3978 exps->data[i] = (void *)e; | |
| 3979 } | |
| 3980 | |
| 3981 expandTuples(exps); | |
| 3982 if (0 && exps->dim == 1) | |
| 3983 { | |
| 3984 return (Expression *)exps->data[0]; | |
| 3985 } | |
| 3986 type = new TypeTuple(exps); | |
| 3987 //printf("-TupleExp::semantic(%s)\n", toChars()); | |
| 3988 return this; | |
| 3989 } | |
| 3990 | |
| 3991 void TupleExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3992 { | |
| 3993 buf->writestring("tuple("); | |
| 3994 argsToCBuffer(buf, exps, hgs); | |
| 3995 buf->writeByte(')'); | |
| 3996 } | |
| 3997 | |
| 3998 int TupleExp::checkSideEffect(int flag) | |
| 3999 { int f = 0; | |
| 4000 | |
| 4001 for (int i = 0; i < exps->dim; i++) | |
| 4002 { Expression *e = (Expression *)exps->data[i]; | |
| 4003 | |
| 4004 f |= e->checkSideEffect(2); | |
| 4005 } | |
| 4006 if (flag == 0 && f == 0) | |
| 4007 Expression::checkSideEffect(0); | |
| 4008 return f; | |
| 4009 } | |
| 4010 | |
| 4011 void TupleExp::checkEscape() | |
| 4012 { | |
| 4013 for (size_t i = 0; i < exps->dim; i++) | |
| 4014 { Expression *e = (Expression *)exps->data[i]; | |
| 4015 e->checkEscape(); | |
| 4016 } | |
| 4017 } | |
| 4018 | |
| 4019 /******************************** FuncExp *********************************/ | |
| 4020 | |
| 4021 FuncExp::FuncExp(Loc loc, FuncLiteralDeclaration *fd) | |
| 4022 : Expression(loc, TOKfunction, sizeof(FuncExp)) | |
| 4023 { | |
| 4024 this->fd = fd; | |
| 4025 } | |
| 4026 | |
| 4027 Expression *FuncExp::syntaxCopy() | |
| 4028 { | |
| 4029 return new FuncExp(loc, (FuncLiteralDeclaration *)fd->syntaxCopy(NULL)); | |
| 4030 } | |
| 4031 | |
| 4032 Expression *FuncExp::semantic(Scope *sc) | |
| 4033 { | |
| 4034 #if LOGSEMANTIC | |
| 4035 printf("FuncExp::semantic(%s)\n", toChars()); | |
| 4036 #endif | |
| 4037 if (!type) | |
| 4038 { | |
| 4039 fd->semantic(sc); | |
| 4040 fd->parent = sc->parent; | |
| 4041 if (global.errors) | |
| 4042 { | |
| 4043 if (!fd->type->next) | |
| 4044 fd->type->next = Type::terror; | |
| 4045 } | |
| 4046 else | |
| 4047 { | |
| 4048 fd->semantic2(sc); | |
| 4049 if (!global.errors) | |
| 4050 { | |
| 4051 fd->semantic3(sc); | |
| 4052 | |
| 4053 if (!global.errors && global.params.useInline) | |
| 4054 fd->inlineScan(); | |
| 4055 } | |
| 4056 } | |
| 4057 | |
| 4058 // Type is a "delegate to" or "pointer to" the function literal | |
| 4059 if (fd->isNested()) | |
| 4060 { | |
| 4061 type = new TypeDelegate(fd->type); | |
| 4062 type = type->semantic(loc, sc); | |
| 4063 } | |
| 4064 else | |
| 4065 { | |
| 4066 type = fd->type->pointerTo(); | |
| 4067 } | |
| 4068 } | |
| 4069 return this; | |
| 4070 } | |
| 4071 | |
| 4072 char *FuncExp::toChars() | |
| 4073 { | |
| 4074 return fd->toChars(); | |
| 4075 } | |
| 4076 | |
| 4077 void FuncExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4078 { | |
| 4079 buf->writestring(fd->toChars()); | |
| 4080 } | |
| 4081 | |
| 4082 | |
| 4083 /******************************** DeclarationExp **************************/ | |
| 4084 | |
| 4085 DeclarationExp::DeclarationExp(Loc loc, Dsymbol *declaration) | |
| 4086 : Expression(loc, TOKdeclaration, sizeof(DeclarationExp)) | |
| 4087 { | |
| 4088 this->declaration = declaration; | |
| 4089 } | |
| 4090 | |
| 4091 Expression *DeclarationExp::syntaxCopy() | |
| 4092 { | |
| 4093 return new DeclarationExp(loc, declaration->syntaxCopy(NULL)); | |
| 4094 } | |
| 4095 | |
| 4096 Expression *DeclarationExp::semantic(Scope *sc) | |
| 4097 { | |
| 4098 if (type) | |
| 4099 return this; | |
| 4100 | |
| 4101 #if LOGSEMANTIC | |
| 4102 printf("DeclarationExp::semantic() %s\n", toChars()); | |
| 4103 #endif | |
| 4104 | |
| 4105 /* This is here to support extern(linkage) declaration, | |
| 4106 * where the extern(linkage) winds up being an AttribDeclaration | |
| 4107 * wrapper. | |
| 4108 */ | |
| 4109 Dsymbol *s = declaration; | |
| 4110 | |
| 4111 AttribDeclaration *ad = declaration->isAttribDeclaration(); | |
| 4112 if (ad) | |
| 4113 { | |
| 4114 if (ad->decl && ad->decl->dim == 1) | |
| 4115 s = (Dsymbol *)ad->decl->data[0]; | |
| 4116 } | |
| 4117 | |
| 4118 if (s->isVarDeclaration()) | |
| 4119 { // Do semantic() on initializer first, so: | |
| 4120 // int a = a; | |
| 4121 // will be illegal. | |
| 4122 declaration->semantic(sc); | |
| 4123 s->parent = sc->parent; | |
| 4124 } | |
| 4125 | |
| 4126 //printf("inserting '%s' %p into sc = %p\n", s->toChars(), s, sc); | |
| 4127 // Insert into both local scope and function scope. | |
| 4128 // Must be unique in both. | |
| 4129 if (s->ident) | |
| 4130 { | |
| 4131 if (!sc->insert(s)) | |
| 4132 error("declaration %s is already defined", s->toPrettyChars()); | |
| 4133 else if (sc->func) | |
| 4134 { VarDeclaration *v = s->isVarDeclaration(); | |
| 4135 if ((s->isFuncDeclaration() /*|| v && v->storage_class & STCstatic*/) && | |
| 4136 !sc->func->localsymtab->insert(s)) | |
| 4137 error("declaration %s is already defined in another scope in %s", s->toPrettyChars(), sc->func->toChars()); | |
| 4138 else if (!global.params.useDeprecated) | |
| 4139 { // Disallow shadowing | |
| 4140 | |
| 4141 for (Scope *scx = sc->enclosing; scx && scx->func == sc->func; scx = scx->enclosing) | |
| 4142 { Dsymbol *s2; | |
| 4143 | |
| 4144 if (scx->scopesym && scx->scopesym->symtab && | |
| 4145 (s2 = scx->scopesym->symtab->lookup(s->ident)) != NULL && | |
| 4146 s != s2) | |
| 4147 { | |
| 4148 error("shadowing declaration %s is deprecated", s->toPrettyChars()); | |
| 4149 } | |
| 4150 } | |
| 4151 } | |
| 4152 } | |
| 4153 } | |
| 4154 if (!s->isVarDeclaration()) | |
| 4155 { | |
| 4156 declaration->semantic(sc); | |
| 4157 s->parent = sc->parent; | |
| 4158 } | |
| 4159 if (!global.errors) | |
| 4160 { | |
| 4161 declaration->semantic2(sc); | |
| 4162 if (!global.errors) | |
| 4163 { | |
| 4164 declaration->semantic3(sc); | |
| 4165 | |
| 4166 if (!global.errors && global.params.useInline) | |
| 4167 declaration->inlineScan(); | |
| 4168 } | |
| 4169 } | |
| 4170 | |
| 4171 type = Type::tvoid; | |
| 4172 return this; | |
| 4173 } | |
| 4174 | |
| 4175 int DeclarationExp::checkSideEffect(int flag) | |
| 4176 { | |
| 4177 return 1; | |
| 4178 } | |
| 4179 | |
| 4180 void DeclarationExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4181 { | |
| 4182 declaration->toCBuffer(buf, hgs); | |
| 4183 } | |
| 4184 | |
| 4185 | |
| 4186 /************************ TypeidExp ************************************/ | |
| 4187 | |
| 4188 /* | |
| 4189 * typeid(int) | |
| 4190 */ | |
| 4191 | |
| 4192 TypeidExp::TypeidExp(Loc loc, Type *typeidType) | |
| 4193 : Expression(loc, TOKtypeid, sizeof(TypeidExp)) | |
| 4194 { | |
| 4195 this->typeidType = typeidType; | |
| 4196 } | |
| 4197 | |
| 4198 | |
| 4199 Expression *TypeidExp::syntaxCopy() | |
| 4200 { | |
| 4201 return new TypeidExp(loc, typeidType->syntaxCopy()); | |
| 4202 } | |
| 4203 | |
| 4204 | |
| 4205 Expression *TypeidExp::semantic(Scope *sc) | |
| 4206 { Expression *e; | |
| 4207 | |
| 4208 #if LOGSEMANTIC | |
| 4209 printf("TypeidExp::semantic()\n"); | |
| 4210 #endif | |
| 4211 typeidType = typeidType->semantic(loc, sc); | |
| 4212 e = typeidType->getTypeInfo(sc); | |
| 336 | 4213 if (e->loc.linnum == 0) |
| 4214 e->loc = loc; // so there's at least some line number info | |
| 159 | 4215 return e; |
| 4216 } | |
| 4217 | |
| 4218 void TypeidExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4219 { | |
| 4220 buf->writestring("typeid("); | |
| 4221 typeidType->toCBuffer(buf, NULL, hgs); | |
| 4222 buf->writeByte(')'); | |
| 4223 } | |
| 4224 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4225 /************************ TraitsExp ************************************/ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4226 #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
|
4227 /* |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4228 * __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
|
4229 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4230 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4231 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
|
4232 : 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
|
4233 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4234 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
|
4235 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
|
4236 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4237 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4238 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4239 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
|
4240 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4241 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
|
4242 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4243 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4244 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4245 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
|
4246 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4247 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
|
4248 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
|
4249 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
|
4250 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4251 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
|
4252 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4253 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
|
4254 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
|
4255 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
|
4256 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4257 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4258 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
|
4259 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4260 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4261 |
| 159 | 4262 /************************************************************/ |
| 4263 | |
| 4264 HaltExp::HaltExp(Loc loc) | |
| 4265 : Expression(loc, TOKhalt, sizeof(HaltExp)) | |
| 4266 { | |
| 4267 } | |
| 4268 | |
| 4269 Expression *HaltExp::semantic(Scope *sc) | |
| 4270 { | |
| 4271 #if LOGSEMANTIC | |
| 4272 printf("HaltExp::semantic()\n"); | |
| 4273 #endif | |
| 4274 type = Type::tvoid; | |
| 4275 return this; | |
| 4276 } | |
| 4277 | |
| 4278 int HaltExp::checkSideEffect(int flag) | |
| 4279 { | |
| 4280 return 1; | |
| 4281 } | |
| 4282 | |
| 4283 void HaltExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4284 { | |
| 4285 buf->writestring("halt"); | |
| 4286 } | |
| 4287 | |
| 4288 /************************************************************/ | |
| 4289 | |
| 4290 IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, | |
| 4291 Type *tspec, enum TOK tok2) | |
| 4292 : Expression(loc, TOKis, sizeof(IsExp)) | |
| 4293 { | |
| 4294 this->targ = targ; | |
| 4295 this->id = id; | |
| 4296 this->tok = tok; | |
| 4297 this->tspec = tspec; | |
| 4298 this->tok2 = tok2; | |
| 4299 } | |
| 4300 | |
| 4301 Expression *IsExp::syntaxCopy() | |
| 4302 { | |
| 4303 return new IsExp(loc, | |
| 4304 targ->syntaxCopy(), | |
| 4305 id, | |
| 4306 tok, | |
| 4307 tspec ? tspec->syntaxCopy() : NULL, | |
| 4308 tok2); | |
| 4309 } | |
| 4310 | |
| 4311 Expression *IsExp::semantic(Scope *sc) | |
| 4312 { Type *tded; | |
| 4313 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4314 /* 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
|
4315 * 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
|
4316 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4317 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4318 //printf("IsExp::semantic(%s)\n", toChars()); |
| 159 | 4319 if (id && !(sc->flags & SCOPEstaticif)) |
| 4320 error("can only declare type aliases within static if conditionals"); | |
| 4321 | |
| 4322 unsigned errors_save = global.errors; | |
| 4323 global.errors = 0; | |
| 4324 global.gag++; // suppress printing of error messages | |
| 4325 targ = targ->semantic(loc, sc); | |
| 4326 global.gag--; | |
| 4327 unsigned gerrors = global.errors; | |
| 4328 global.errors = errors_save; | |
| 4329 | |
| 4330 if (gerrors) // if any errors happened | |
| 4331 { // then condition is false | |
| 4332 goto Lno; | |
| 4333 } | |
| 4334 else if (tok2 != TOKreserved) | |
| 4335 { | |
| 4336 switch (tok2) | |
| 4337 { | |
| 4338 case TOKtypedef: | |
| 4339 if (targ->ty != Ttypedef) | |
| 4340 goto Lno; | |
| 4341 tded = ((TypeTypedef *)targ)->sym->basetype; | |
| 4342 break; | |
| 4343 | |
| 4344 case TOKstruct: | |
| 4345 if (targ->ty != Tstruct) | |
| 4346 goto Lno; | |
| 4347 if (((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4348 goto Lno; | |
| 4349 tded = targ; | |
| 4350 break; | |
| 4351 | |
| 4352 case TOKunion: | |
| 4353 if (targ->ty != Tstruct) | |
| 4354 goto Lno; | |
| 4355 if (!((TypeStruct *)targ)->sym->isUnionDeclaration()) | |
| 4356 goto Lno; | |
| 4357 tded = targ; | |
| 4358 break; | |
| 4359 | |
| 4360 case TOKclass: | |
| 4361 if (targ->ty != Tclass) | |
| 4362 goto Lno; | |
| 4363 if (((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4364 goto Lno; | |
| 4365 tded = targ; | |
| 4366 break; | |
| 4367 | |
| 4368 case TOKinterface: | |
| 4369 if (targ->ty != Tclass) | |
| 4370 goto Lno; | |
| 4371 if (!((TypeClass *)targ)->sym->isInterfaceDeclaration()) | |
| 4372 goto Lno; | |
| 4373 tded = targ; | |
| 4374 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
|
4375 #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
|
4376 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
|
4377 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
|
4378 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
|
4379 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
|
4380 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4381 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4382 case TOKinvariant: |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4383 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
|
4384 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
|
4385 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
|
4386 break; |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4387 #endif |
| 159 | 4388 |
| 4389 case TOKsuper: | |
| 4390 // If class or interface, get the base class and interfaces | |
| 4391 if (targ->ty != Tclass) | |
| 4392 goto Lno; | |
| 4393 else | |
| 4394 { ClassDeclaration *cd = ((TypeClass *)targ)->sym; | |
| 4395 Arguments *args = new Arguments; | |
| 4396 args->reserve(cd->baseclasses.dim); | |
| 4397 for (size_t i = 0; i < cd->baseclasses.dim; i++) | |
| 4398 { BaseClass *b = (BaseClass *)cd->baseclasses.data[i]; | |
| 4399 args->push(new Argument(STCin, b->type, NULL, NULL)); | |
| 4400 } | |
| 4401 tded = new TypeTuple(args); | |
| 4402 } | |
| 4403 break; | |
| 4404 | |
| 4405 case TOKenum: | |
| 4406 if (targ->ty != Tenum) | |
| 4407 goto Lno; | |
| 4408 tded = ((TypeEnum *)targ)->sym->memtype; | |
| 4409 break; | |
| 4410 | |
| 4411 case TOKdelegate: | |
| 4412 if (targ->ty != Tdelegate) | |
| 4413 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
|
4414 tded = ((TypeDelegate *)targ)->next; // the underlying function type |
| 159 | 4415 break; |
| 4416 | |
| 4417 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
|
4418 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4419 if (targ->ty != Tfunction) |
| 159 | 4420 goto Lno; |
| 4421 tded = targ; | |
| 4422 | |
| 4423 /* Generate tuple from function parameter types. | |
| 4424 */ | |
| 4425 assert(tded->ty == Tfunction); | |
| 4426 Arguments *params = ((TypeFunction *)tded)->parameters; | |
| 4427 size_t dim = Argument::dim(params); | |
| 4428 Arguments *args = new Arguments; | |
| 4429 args->reserve(dim); | |
| 4430 for (size_t i = 0; i < dim; i++) | |
| 4431 { Argument *arg = Argument::getNth(params, i); | |
| 4432 assert(arg && arg->type); | |
| 4433 args->push(new Argument(arg->storageClass, arg->type, NULL, NULL)); | |
| 4434 } | |
| 4435 tded = new TypeTuple(args); | |
| 4436 break; | |
| 4437 } | |
| 4438 case TOKreturn: | |
| 4439 /* Get the 'return type' for the function, | |
| 4440 * delegate, or pointer to function. | |
| 4441 */ | |
| 4442 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
|
4443 tded = ((TypeFunction *)targ)->next; |
| 159 | 4444 else if (targ->ty == Tdelegate) |
| 4445 tded = targ->next->next; | |
| 4446 else if (targ->ty == Tpointer && targ->next->ty == Tfunction) | |
| 4447 tded = targ->next->next; | |
| 4448 else | |
| 4449 goto Lno; | |
| 4450 break; | |
| 4451 | |
| 4452 default: | |
| 4453 assert(0); | |
| 4454 } | |
| 4455 goto Lyes; | |
| 4456 } | |
| 4457 else if (id && tspec) | |
| 4458 { | |
| 4459 /* Evaluate to TRUE if targ matches tspec. | |
| 4460 * If TRUE, declare id as an alias for the specialized type. | |
| 4461 */ | |
| 4462 | |
| 4463 MATCH m; | |
| 4464 TemplateTypeParameter tp(loc, id, NULL, NULL); | |
| 4465 | |
| 4466 TemplateParameters parameters; | |
| 4467 parameters.setDim(1); | |
| 4468 parameters.data[0] = (void *)&tp; | |
| 4469 | |
| 4470 Objects dedtypes; | |
| 4471 dedtypes.setDim(1); | |
| 4472 dedtypes.data[0] = NULL; | |
| 4473 | |
| 4474 m = targ->deduceType(NULL, tspec, ¶meters, &dedtypes); | |
| 4475 if (m == MATCHnomatch || | |
| 4476 (m != MATCHexact && tok == TOKequal)) | |
| 4477 goto Lno; | |
| 4478 else | |
| 4479 { | |
| 4480 assert(dedtypes.dim == 1); | |
| 4481 tded = (Type *)dedtypes.data[0]; | |
| 4482 if (!tded) | |
| 4483 tded = targ; | |
| 4484 goto Lyes; | |
| 4485 } | |
| 4486 } | |
| 4487 else if (id) | |
| 4488 { | |
| 4489 /* Declare id as an alias for type targ. Evaluate to TRUE | |
| 4490 */ | |
| 4491 tded = targ; | |
| 4492 goto Lyes; | |
| 4493 } | |
| 4494 else if (tspec) | |
| 4495 { | |
| 4496 /* Evaluate to TRUE if targ matches tspec | |
| 4497 */ | |
| 4498 tspec = tspec->semantic(loc, sc); | |
| 4499 //printf("targ = %s\n", targ->toChars()); | |
| 4500 //printf("tspec = %s\n", tspec->toChars()); | |
| 4501 if (tok == TOKcolon) | |
| 4502 { if (targ->implicitConvTo(tspec)) | |
| 4503 goto Lyes; | |
| 4504 else | |
| 4505 goto Lno; | |
| 4506 } | |
| 4507 else /* == */ | |
| 4508 { if (targ->equals(tspec)) | |
| 4509 goto Lyes; | |
| 4510 else | |
| 4511 goto Lno; | |
| 4512 } | |
| 4513 } | |
| 4514 | |
| 4515 Lyes: | |
| 4516 if (id) | |
| 4517 { | |
| 4518 Dsymbol *s = new AliasDeclaration(loc, id, tded); | |
| 4519 s->semantic(sc); | |
| 4520 sc->insert(s); | |
| 4521 if (sc->sd) | |
| 4522 s->addMember(sc, sc->sd, 1); | |
| 4523 } | |
| 4524 return new IntegerExp(1); | |
| 4525 | |
| 4526 Lno: | |
| 4527 return new IntegerExp(0); | |
| 4528 } | |
| 4529 | |
| 4530 void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4531 { | |
| 4532 buf->writestring("is("); | |
| 4533 targ->toCBuffer(buf, id, hgs); | |
| 4534 if (tok2 != TOKreserved) | |
| 4535 { | |
| 4536 buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2)); | |
| 4537 } | |
| 4538 else if (tspec) | |
| 4539 { | |
| 4540 if (tok == TOKcolon) | |
| 4541 buf->writestring(" : "); | |
| 4542 else | |
| 4543 buf->writestring(" == "); | |
| 4544 tspec->toCBuffer(buf, NULL, hgs); | |
| 4545 } | |
| 336 | 4546 #if DMDV2 |
| 159 | 4547 if (parameters) |
| 4548 { // First parameter is already output, so start with second | |
| 4549 for (int i = 1; i < parameters->dim; i++) | |
| 4550 { | |
| 4551 buf->writeByte(','); | |
| 4552 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 4553 tp->toCBuffer(buf, hgs); | |
| 4554 } | |
| 4555 } | |
| 4556 #endif | |
| 4557 buf->writeByte(')'); | |
| 4558 } | |
| 4559 | |
| 4560 | |
| 4561 /************************************************************/ | |
| 4562 | |
| 4563 UnaExp::UnaExp(Loc loc, enum TOK op, int size, Expression *e1) | |
| 4564 : Expression(loc, op, size) | |
| 4565 { | |
| 4566 this->e1 = e1; | |
| 4567 } | |
| 4568 | |
| 4569 Expression *UnaExp::syntaxCopy() | |
| 4570 { UnaExp *e; | |
| 4571 | |
| 4572 e = (UnaExp *)copy(); | |
| 4573 e->type = NULL; | |
| 4574 e->e1 = e->e1->syntaxCopy(); | |
| 4575 return e; | |
| 4576 } | |
| 4577 | |
| 4578 Expression *UnaExp::semantic(Scope *sc) | |
| 4579 { | |
| 4580 #if LOGSEMANTIC | |
| 4581 printf("UnaExp::semantic('%s')\n", toChars()); | |
| 4582 #endif | |
| 4583 e1 = e1->semantic(sc); | |
| 4584 // if (!e1->type) | |
| 4585 // error("%s has no value", e1->toChars()); | |
| 4586 return this; | |
| 4587 } | |
| 4588 | |
| 4589 void UnaExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4590 { | |
| 4591 buf->writestring(Token::toChars(op)); | |
| 4592 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4593 } | |
| 4594 | |
| 4595 /************************************************************/ | |
| 4596 | |
| 4597 BinExp::BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2) | |
| 4598 : Expression(loc, op, size) | |
| 4599 { | |
| 4600 this->e1 = e1; | |
| 4601 this->e2 = e2; | |
| 4602 } | |
| 4603 | |
| 4604 Expression *BinExp::syntaxCopy() | |
| 4605 { BinExp *e; | |
| 4606 | |
| 4607 e = (BinExp *)copy(); | |
| 4608 e->type = NULL; | |
| 4609 e->e1 = e->e1->syntaxCopy(); | |
| 4610 e->e2 = e->e2->syntaxCopy(); | |
| 4611 return e; | |
| 4612 } | |
| 4613 | |
| 4614 Expression *BinExp::semantic(Scope *sc) | |
| 4615 { | |
| 4616 #if LOGSEMANTIC | |
| 4617 printf("BinExp::semantic('%s')\n", toChars()); | |
| 4618 #endif | |
| 4619 e1 = e1->semantic(sc); | |
| 4620 if (!e1->type) | |
| 4621 { | |
| 4622 error("%s has no value", e1->toChars()); | |
| 4623 e1->type = Type::terror; | |
| 4624 } | |
| 4625 e2 = e2->semantic(sc); | |
| 4626 if (!e2->type) | |
| 4627 { | |
| 4628 error("%s has no value", e2->toChars()); | |
| 4629 e2->type = Type::terror; | |
| 4630 } | |
| 4631 assert(e1->type); | |
| 4632 return this; | |
| 4633 } | |
| 4634 | |
| 4635 Expression *BinExp::semanticp(Scope *sc) | |
| 4636 { | |
| 4637 BinExp::semantic(sc); | |
| 4638 e1 = resolveProperties(sc, e1); | |
| 4639 e2 = resolveProperties(sc, e2); | |
| 4640 return this; | |
| 4641 } | |
| 4642 | |
| 4643 /*************************** | |
| 4644 * Common semantic routine for some xxxAssignExp's. | |
| 4645 */ | |
| 4646 | |
| 4647 Expression *BinExp::commonSemanticAssign(Scope *sc) | |
| 4648 { Expression *e; | |
| 4649 | |
| 4650 if (!type) | |
| 4651 { | |
| 4652 BinExp::semantic(sc); | |
| 4653 e2 = resolveProperties(sc, e2); | |
| 4654 | |
| 4655 e = op_overload(sc); | |
| 4656 if (e) | |
| 4657 return e; | |
| 4658 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4659 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
|
4660 { // 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
|
4661 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
|
4662 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
|
4663 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
|
4664 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4665 |
| 159 | 4666 e1 = e1->modifiableLvalue(sc, e1); |
| 4667 e1->checkScalar(); | |
| 4668 type = e1->type; | |
| 4669 if (type->toBasetype()->ty == Tbool) | |
| 4670 { | |
| 4671 error("operator not allowed on bool expression %s", toChars()); | |
| 4672 } | |
| 4673 typeCombine(sc); | |
| 4674 e1->checkArithmetic(); | |
| 4675 e2->checkArithmetic(); | |
| 4676 | |
| 4677 if (op == TOKmodass && e2->type->iscomplex()) | |
| 4678 { error("cannot perform modulo complex arithmetic"); | |
| 4679 return new IntegerExp(0); | |
| 4680 } | |
| 4681 } | |
| 4682 return this; | |
| 4683 } | |
| 4684 | |
| 4685 Expression *BinExp::commonSemanticAssignIntegral(Scope *sc) | |
| 4686 { Expression *e; | |
| 4687 | |
| 4688 if (!type) | |
| 4689 { | |
| 4690 BinExp::semantic(sc); | |
| 4691 e2 = resolveProperties(sc, e2); | |
| 4692 | |
| 4693 e = op_overload(sc); | |
| 4694 if (e) | |
| 4695 return e; | |
| 4696 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4697 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
|
4698 { // 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
|
4699 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
|
4700 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
|
4701 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
|
4702 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
4703 |
| 159 | 4704 e1 = e1->modifiableLvalue(sc, e1); |
| 4705 e1->checkScalar(); | |
| 4706 type = e1->type; | |
| 4707 if (type->toBasetype()->ty == Tbool) | |
| 4708 { | |
| 4709 e2 = e2->implicitCastTo(sc, type); | |
| 4710 } | |
| 4711 | |
| 4712 typeCombine(sc); | |
| 4713 e1->checkIntegral(); | |
| 4714 e2->checkIntegral(); | |
| 4715 } | |
| 4716 return this; | |
| 4717 } | |
| 4718 | |
| 4719 int BinExp::checkSideEffect(int flag) | |
| 4720 { | |
| 4721 if (op == TOKplusplus || | |
| 4722 op == TOKminusminus || | |
| 4723 op == TOKassign || | |
| 4724 op == TOKconstruct || | |
| 4725 op == TOKblit || | |
| 4726 op == TOKaddass || | |
| 4727 op == TOKminass || | |
| 4728 op == TOKcatass || | |
| 4729 op == TOKmulass || | |
| 4730 op == TOKdivass || | |
| 4731 op == TOKmodass || | |
| 4732 op == TOKshlass || | |
| 4733 op == TOKshrass || | |
| 4734 op == TOKushrass || | |
| 4735 op == TOKandass || | |
| 4736 op == TOKorass || | |
| 4737 op == TOKxorass || | |
| 4738 op == TOKin || | |
| 4739 op == TOKremove) | |
| 4740 return 1; | |
| 4741 return Expression::checkSideEffect(flag); | |
| 4742 } | |
| 4743 | |
| 4744 void BinExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4745 { | |
| 4746 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 4747 buf->writeByte(' '); | |
| 4748 buf->writestring(Token::toChars(op)); | |
| 4749 buf->writeByte(' '); | |
| 4750 expToCBuffer(buf, hgs, e2, (enum PREC)(precedence[op] + 1)); | |
| 4751 } | |
| 4752 | |
| 4753 int BinExp::isunsigned() | |
| 4754 { | |
| 4755 return e1->type->isunsigned() || e2->type->isunsigned(); | |
| 4756 } | |
| 4757 | |
| 4758 void BinExp::incompatibleTypes() | |
| 4759 { | |
| 4760 error("incompatible types for ((%s) %s (%s)): '%s' and '%s'", | |
| 4761 e1->toChars(), Token::toChars(op), e2->toChars(), | |
| 4762 e1->type->toChars(), e2->type->toChars()); | |
| 4763 } | |
| 4764 | |
| 4765 /************************************************************/ | |
| 4766 | |
| 4767 CompileExp::CompileExp(Loc loc, Expression *e) | |
| 4768 : UnaExp(loc, TOKmixin, sizeof(CompileExp), e) | |
| 4769 { | |
| 4770 } | |
| 4771 | |
| 4772 Expression *CompileExp::semantic(Scope *sc) | |
| 4773 { | |
| 4774 #if LOGSEMANTIC | |
| 4775 printf("CompileExp::semantic('%s')\n", toChars()); | |
| 4776 #endif | |
| 4777 UnaExp::semantic(sc); | |
| 4778 e1 = resolveProperties(sc, e1); | |
| 4779 e1 = e1->optimize(WANTvalue | WANTinterpret); | |
| 4780 if (e1->op != TOKstring) | |
| 4781 { error("argument to mixin must be a string, not (%s)", e1->toChars()); | |
| 4782 type = Type::terror; | |
| 4783 return this; | |
| 4784 } | |
| 4785 StringExp *se = (StringExp *)e1; | |
| 4786 se = se->toUTF8(sc); | |
| 4787 Parser p(sc->module, (unsigned char *)se->string, se->len, 0); | |
| 4788 p.loc = loc; | |
| 4789 p.nextToken(); | |
| 4790 Expression *e = p.parseExpression(); | |
| 4791 if (p.token.value != TOKeof) | |
| 4792 error("incomplete mixin expression (%s)", se->toChars()); | |
| 4793 return e->semantic(sc); | |
| 4794 } | |
| 4795 | |
| 4796 void CompileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4797 { | |
| 4798 buf->writestring("mixin("); | |
| 4799 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 4800 buf->writeByte(')'); | |
| 4801 } | |
| 4802 | |
| 4803 /************************************************************/ | |
| 4804 | |
| 4805 FileExp::FileExp(Loc loc, Expression *e) | |
| 4806 : UnaExp(loc, TOKmixin, sizeof(FileExp), e) | |
| 4807 { | |
| 4808 } | |
| 4809 | |
| 4810 Expression *FileExp::semantic(Scope *sc) | |
| 4811 { char *name; | |
| 4812 StringExp *se; | |
| 4813 | |
| 4814 #if LOGSEMANTIC | |
| 4815 printf("FileExp::semantic('%s')\n", toChars()); | |
| 4816 #endif | |
| 4817 UnaExp::semantic(sc); | |
| 4818 e1 = resolveProperties(sc, e1); | |
| 4819 e1 = e1->optimize(WANTvalue); | |
| 4820 if (e1->op != TOKstring) | |
| 4821 { error("file name argument must be a string, not (%s)", e1->toChars()); | |
| 4822 goto Lerror; | |
| 4823 } | |
| 4824 se = (StringExp *)e1; | |
| 4825 se = se->toUTF8(sc); | |
| 4826 name = (char *)se->string; | |
| 4827 | |
| 4828 if (!global.params.fileImppath) | |
| 4829 { error("need -Jpath switch to import text file %s", name); | |
| 4830 goto Lerror; | |
| 4831 } | |
| 4832 | |
| 4833 if (name != FileName::name(name)) | |
| 4834 { error("use -Jpath switch to provide path for filename %s", name); | |
| 4835 goto Lerror; | |
| 4836 } | |
| 4837 | |
| 4838 name = FileName::searchPath(global.filePath, name, 0); | |
| 4839 if (!name) | |
| 4840 { error("file %s cannot be found, check -Jpath", se->toChars()); | |
| 4841 goto Lerror; | |
| 4842 } | |
| 4843 | |
| 4844 if (global.params.verbose) | |
| 4845 printf("file %s\t(%s)\n", se->string, name); | |
| 4846 | |
| 4847 { File f(name); | |
| 4848 if (f.read()) | |
| 4849 { error("cannot read file %s", f.toChars()); | |
| 4850 goto Lerror; | |
| 4851 } | |
| 4852 else | |
| 4853 { | |
| 4854 f.ref = 1; | |
| 4855 se = new StringExp(loc, f.buffer, f.len); | |
| 4856 } | |
| 4857 } | |
| 4858 Lret: | |
| 4859 return se->semantic(sc); | |
| 4860 | |
| 4861 Lerror: | |
| 4862 se = new StringExp(loc, ""); | |
| 4863 goto Lret; | |
| 4864 } | |
| 4865 | |
| 4866 void FileExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4867 { | |
| 4868 buf->writestring("import("); | |
| 4869 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 4870 buf->writeByte(')'); | |
| 4871 } | |
| 4872 | |
| 4873 /************************************************************/ | |
| 4874 | |
| 4875 AssertExp::AssertExp(Loc loc, Expression *e, Expression *msg) | |
| 4876 : UnaExp(loc, TOKassert, sizeof(AssertExp), e) | |
| 4877 { | |
| 4878 this->msg = msg; | |
| 4879 } | |
| 4880 | |
| 4881 Expression *AssertExp::syntaxCopy() | |
| 4882 { | |
| 4883 AssertExp *ae = new AssertExp(loc, e1->syntaxCopy(), | |
| 4884 msg ? msg->syntaxCopy() : NULL); | |
| 4885 return ae; | |
| 4886 } | |
| 4887 | |
| 4888 Expression *AssertExp::semantic(Scope *sc) | |
| 4889 { | |
| 4890 #if LOGSEMANTIC | |
| 4891 printf("AssertExp::semantic('%s')\n", toChars()); | |
| 4892 #endif | |
| 4893 UnaExp::semantic(sc); | |
| 4894 e1 = resolveProperties(sc, e1); | |
| 4895 // BUG: see if we can do compile time elimination of the Assert | |
| 4896 e1 = e1->optimize(WANTvalue); | |
| 4897 e1 = e1->checkToBoolean(); | |
| 4898 if (msg) | |
| 4899 { | |
| 4900 msg = msg->semantic(sc); | |
| 4901 msg = resolveProperties(sc, msg); | |
| 4902 msg = msg->implicitCastTo(sc, Type::tchar->arrayOf()); | |
| 4903 msg = msg->optimize(WANTvalue); | |
| 4904 } | |
| 4905 if (e1->isBool(FALSE)) | |
| 4906 { | |
| 4907 FuncDeclaration *fd = sc->parent->isFuncDeclaration(); | |
| 4908 fd->hasReturnExp |= 4; | |
| 4909 | |
| 4910 if (!global.params.useAssert) | |
| 4911 { Expression *e = new HaltExp(loc); | |
| 4912 e = e->semantic(sc); | |
| 4913 return e; | |
| 4914 } | |
| 4915 } | |
| 4916 type = Type::tvoid; | |
| 4917 return this; | |
| 4918 } | |
| 4919 | |
| 4920 int AssertExp::checkSideEffect(int flag) | |
| 4921 { | |
| 4922 return 1; | |
| 4923 } | |
| 4924 | |
| 4925 void AssertExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4926 { | |
| 4927 buf->writestring("assert("); | |
| 4928 expToCBuffer(buf, hgs, e1, PREC_assign); | |
| 4929 if (msg) | |
| 4930 { | |
| 4931 buf->writeByte(','); | |
| 4932 expToCBuffer(buf, hgs, msg, PREC_assign); | |
| 4933 } | |
| 4934 buf->writeByte(')'); | |
| 4935 } | |
| 4936 | |
| 4937 /************************************************************/ | |
| 4938 | |
| 4939 DotIdExp::DotIdExp(Loc loc, Expression *e, Identifier *ident) | |
| 4940 : UnaExp(loc, TOKdot, sizeof(DotIdExp), e) | |
| 4941 { | |
| 4942 this->ident = ident; | |
| 4943 } | |
| 4944 | |
| 4945 Expression *DotIdExp::semantic(Scope *sc) | |
| 4946 { Expression *e; | |
| 4947 Expression *eleft; | |
| 4948 Expression *eright; | |
| 4949 | |
| 4950 #if LOGSEMANTIC | |
| 4951 printf("DotIdExp::semantic(this = %p, '%s')\n", this, toChars()); | |
| 4952 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 4953 #endif | |
| 4954 | |
| 4955 //{ static int z; fflush(stdout); if (++z == 10) *(char*)0=0; } | |
| 4956 | |
| 4957 #if 0 | |
| 4958 /* Don't do semantic analysis if we'll be converting | |
| 4959 * it to a string. | |
| 4960 */ | |
| 4961 if (ident == Id::stringof) | |
| 4962 { char *s = e1->toChars(); | |
| 4963 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 4964 e = e->semantic(sc); | |
| 4965 return e; | |
| 4966 } | |
| 4967 #endif | |
| 4968 | |
| 4969 /* Special case: rewrite this.id and super.id | |
| 4970 * to be classtype.id and baseclasstype.id | |
| 4971 * if we have no this pointer. | |
| 4972 */ | |
| 4973 if ((e1->op == TOKthis || e1->op == TOKsuper) && !hasThis(sc)) | |
| 4974 { ClassDeclaration *cd; | |
| 4975 StructDeclaration *sd; | |
| 4976 AggregateDeclaration *ad; | |
| 4977 | |
| 4978 ad = sc->getStructClassScope(); | |
| 4979 if (ad) | |
| 4980 { | |
| 4981 cd = ad->isClassDeclaration(); | |
| 4982 if (cd) | |
| 4983 { | |
| 4984 if (e1->op == TOKthis) | |
| 4985 { | |
| 4986 e = new TypeDotIdExp(loc, cd->type, ident); | |
| 4987 return e->semantic(sc); | |
| 4988 } | |
| 4989 else if (cd->baseClass && e1->op == TOKsuper) | |
| 4990 { | |
| 4991 e = new TypeDotIdExp(loc, cd->baseClass->type, ident); | |
| 4992 return e->semantic(sc); | |
| 4993 } | |
| 4994 } | |
| 4995 else | |
| 4996 { | |
| 4997 sd = ad->isStructDeclaration(); | |
| 4998 if (sd) | |
| 4999 { | |
| 5000 if (e1->op == TOKthis) | |
| 5001 { | |
| 5002 e = new TypeDotIdExp(loc, sd->type, ident); | |
| 5003 return e->semantic(sc); | |
| 5004 } | |
| 5005 } | |
| 5006 } | |
| 5007 } | |
| 5008 } | |
| 5009 | |
| 5010 UnaExp::semantic(sc); | |
| 5011 | |
| 5012 if (e1->op == TOKdotexp) | |
| 5013 { | |
| 5014 DotExp *de = (DotExp *)e1; | |
| 5015 eleft = de->e1; | |
| 5016 eright = de->e2; | |
| 5017 } | |
| 5018 else | |
| 5019 { | |
| 5020 e1 = resolveProperties(sc, e1); | |
| 5021 eleft = NULL; | |
| 5022 eright = e1; | |
| 5023 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5024 #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
|
5025 if (e1->op == TOKtuple && ident == Id::offsetof) |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5026 { /* '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
|
5027 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5028 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
|
5029 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
|
5030 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
|
5031 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
|
5032 { 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
|
5033 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
|
5034 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
|
5035 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
|
5036 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5037 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
|
5038 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
|
5039 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
|
5040 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5041 #endif |
| 159 | 5042 |
| 5043 if (e1->op == TOKtuple && ident == Id::length) | |
| 5044 { | |
| 5045 TupleExp *te = (TupleExp *)e1; | |
| 5046 e = new IntegerExp(loc, te->exps->dim, Type::tsize_t); | |
| 5047 return e; | |
| 5048 } | |
| 5049 | |
| 5050 if (eright->op == TOKimport) // also used for template alias's | |
| 5051 { | |
| 5052 Dsymbol *s; | |
| 5053 ScopeExp *ie = (ScopeExp *)eright; | |
| 5054 | |
| 5055 s = ie->sds->search(loc, ident, 0); | |
| 5056 if (s) | |
| 5057 { | |
| 5058 s = s->toAlias(); | |
| 5059 checkDeprecated(sc, s); | |
| 5060 | |
| 5061 EnumMember *em = s->isEnumMember(); | |
| 5062 if (em) | |
| 5063 { | |
| 5064 e = em->value; | |
| 5065 e = e->semantic(sc); | |
| 5066 return e; | |
| 5067 } | |
| 5068 | |
| 5069 VarDeclaration *v = s->isVarDeclaration(); | |
| 5070 if (v) | |
| 5071 { | |
| 5072 //printf("DotIdExp:: Identifier '%s' is a variable, type '%s'\n", toChars(), v->type->toChars()); | |
| 5073 if (v->inuse) | |
| 5074 { | |
| 5075 error("circular reference to '%s'", v->toChars()); | |
| 5076 type = Type::tint32; | |
| 5077 return this; | |
| 5078 } | |
| 5079 type = v->type; | |
| 5080 if (v->isConst()) | |
| 5081 { | |
| 5082 if (v->init) | |
| 5083 { | |
| 5084 ExpInitializer *ei = v->init->isExpInitializer(); | |
| 5085 if (ei) | |
| 5086 { | |
| 5087 //printf("\tei: %p (%s)\n", ei->exp, ei->exp->toChars()); | |
| 5088 //ei->exp = ei->exp->semantic(sc); | |
| 5089 if (ei->exp->type == type) | |
| 5090 { | |
| 5091 e = ei->exp->copy(); // make copy so we can change loc | |
| 5092 e->loc = loc; | |
| 5093 return e; | |
| 5094 } | |
| 5095 } | |
| 5096 } | |
| 5097 else if (type->isscalar()) | |
| 5098 { | |
| 5099 e = type->defaultInit(); | |
| 5100 e->loc = loc; | |
| 5101 return e; | |
| 5102 } | |
| 5103 } | |
| 5104 if (v->needThis()) | |
| 5105 { | |
| 5106 if (!eleft) | |
| 5107 eleft = new ThisExp(loc); | |
| 5108 e = new DotVarExp(loc, eleft, v); | |
| 5109 e = e->semantic(sc); | |
| 5110 } | |
| 5111 else | |
| 5112 { | |
| 5113 e = new VarExp(loc, v); | |
| 5114 if (eleft) | |
| 5115 { e = new CommaExp(loc, eleft, e); | |
| 5116 e->type = v->type; | |
| 5117 } | |
| 5118 } | |
| 5119 return e->deref(); | |
| 5120 } | |
| 5121 | |
| 5122 FuncDeclaration *f = s->isFuncDeclaration(); | |
| 5123 if (f) | |
| 5124 { | |
| 5125 //printf("it's a function\n"); | |
| 5126 if (f->needThis()) | |
| 5127 { | |
| 5128 if (!eleft) | |
| 5129 eleft = new ThisExp(loc); | |
| 5130 e = new DotVarExp(loc, eleft, f); | |
| 5131 e = e->semantic(sc); | |
| 5132 } | |
| 5133 else | |
| 5134 { | |
| 5135 e = new VarExp(loc, f); | |
| 5136 if (eleft) | |
| 5137 { e = new CommaExp(loc, eleft, e); | |
| 5138 e->type = f->type; | |
| 5139 } | |
| 5140 } | |
| 5141 return e; | |
| 5142 } | |
| 5143 | |
| 5144 Type *t = s->getType(); | |
| 5145 if (t) | |
| 5146 { | |
| 5147 return new TypeExp(loc, t); | |
| 5148 } | |
| 5149 | |
| 336 | 5150 TupleDeclaration *tup = s->isTupleDeclaration(); |
| 5151 if (tup) | |
| 5152 { | |
| 5153 if (eleft) | |
| 5154 error("cannot have e.tuple"); | |
| 5155 e = new TupleExp(loc, tup); | |
| 5156 e = e->semantic(sc); | |
| 5157 return e; | |
| 5158 } | |
| 5159 | |
| 159 | 5160 ScopeDsymbol *sds = s->isScopeDsymbol(); |
| 5161 if (sds) | |
| 5162 { | |
| 5163 //printf("it's a ScopeDsymbol\n"); | |
| 5164 e = new ScopeExp(loc, sds); | |
| 5165 e = e->semantic(sc); | |
| 5166 if (eleft) | |
| 5167 e = new DotExp(loc, eleft, e); | |
| 5168 return e; | |
| 5169 } | |
| 5170 | |
| 5171 Import *imp = s->isImport(); | |
| 5172 if (imp) | |
| 5173 { | |
| 5174 ScopeExp *ie; | |
| 5175 | |
| 5176 ie = new ScopeExp(loc, imp->pkg); | |
| 5177 return ie->semantic(sc); | |
| 5178 } | |
| 5179 | |
| 5180 // BUG: handle other cases like in IdentifierExp::semantic() | |
| 5181 #ifdef DEBUG | |
| 5182 printf("s = '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 5183 #endif | |
| 5184 assert(0); | |
| 5185 } | |
| 5186 else if (ident == Id::stringof) | |
| 5187 { char *s = ie->toChars(); | |
| 5188 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 5189 e = e->semantic(sc); | |
| 5190 return e; | |
| 5191 } | |
| 5192 error("undefined identifier %s", toChars()); | |
| 5193 type = Type::tvoid; | |
| 5194 return this; | |
| 5195 } | |
| 5196 else if (e1->type->ty == Tpointer && | |
| 5197 ident != Id::init && ident != Id::__sizeof && | |
| 5198 ident != Id::alignof && ident != Id::offsetof && | |
| 5199 ident != Id::mangleof && ident != Id::stringof) | |
| 5200 { | |
| 5201 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
|
5202 e->type = ((TypePointer *)e1->type)->next; |
| 159 | 5203 return e->type->dotExp(sc, e, ident); |
| 5204 } | |
| 5205 else | |
| 5206 { | |
| 5207 e = e1->type->dotExp(sc, e1, ident); | |
| 5208 e = e->semantic(sc); | |
| 5209 return e; | |
| 5210 } | |
| 5211 } | |
| 5212 | |
| 5213 void DotIdExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5214 { | |
| 5215 //printf("DotIdExp::toCBuffer()\n"); | |
| 5216 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5217 buf->writeByte('.'); | |
| 5218 buf->writestring(ident->toChars()); | |
| 5219 } | |
| 5220 | |
| 5221 /********************** DotTemplateExp ***********************************/ | |
| 5222 | |
| 5223 // Mainly just a placeholder | |
| 5224 | |
| 5225 DotTemplateExp::DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td) | |
| 5226 : UnaExp(loc, TOKdottd, sizeof(DotTemplateExp), e) | |
| 5227 | |
| 5228 { | |
| 5229 this->td = td; | |
| 5230 } | |
| 5231 | |
| 5232 void DotTemplateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5233 { | |
| 5234 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5235 buf->writeByte('.'); | |
| 5236 buf->writestring(td->toChars()); | |
| 5237 } | |
| 5238 | |
| 5239 | |
| 5240 /************************************************************/ | |
| 5241 | |
| 5242 DotVarExp::DotVarExp(Loc loc, Expression *e, Declaration *v) | |
| 5243 : UnaExp(loc, TOKdotvar, sizeof(DotVarExp), e) | |
| 5244 { | |
| 5245 //printf("DotVarExp()\n"); | |
| 5246 this->var = v; | |
| 5247 } | |
| 5248 | |
| 5249 Expression *DotVarExp::semantic(Scope *sc) | |
| 5250 { | |
| 5251 #if LOGSEMANTIC | |
| 5252 printf("DotVarExp::semantic('%s')\n", toChars()); | |
| 5253 #endif | |
| 5254 if (!type) | |
| 5255 { | |
| 5256 var = var->toAlias()->isDeclaration(); | |
| 5257 | |
| 5258 TupleDeclaration *tup = var->isTupleDeclaration(); | |
| 5259 if (tup) | |
| 5260 { /* Replace: | |
| 5261 * e1.tuple(a, b, c) | |
| 5262 * with: | |
| 5263 * tuple(e1.a, e1.b, e1.c) | |
| 5264 */ | |
| 5265 Expressions *exps = new Expressions; | |
| 5266 | |
| 5267 exps->reserve(tup->objects->dim); | |
| 5268 for (size_t i = 0; i < tup->objects->dim; i++) | |
| 5269 { Object *o = (Object *)tup->objects->data[i]; | |
| 5270 if (o->dyncast() != DYNCAST_EXPRESSION) | |
| 5271 { | |
| 5272 error("%s is not an expression", o->toChars()); | |
| 5273 } | |
| 5274 else | |
| 5275 { | |
| 5276 Expression *e = (Expression *)o; | |
| 5277 if (e->op != TOKdsymbol) | |
| 5278 error("%s is not a member", e->toChars()); | |
| 5279 else | |
| 5280 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 5281 | |
| 5282 e = new DotVarExp(loc, e1, ve->s->isDeclaration()); | |
| 5283 exps->push(e); | |
| 5284 } | |
| 5285 } | |
| 5286 } | |
| 5287 Expression *e = new TupleExp(loc, exps); | |
| 5288 e = e->semantic(sc); | |
| 5289 return e; | |
| 5290 } | |
| 5291 | |
| 5292 e1 = e1->semantic(sc); | |
| 5293 type = var->type; | |
| 5294 if (!type && global.errors) | |
| 5295 { // var is goofed up, just return 0 | |
| 5296 return new IntegerExp(0); | |
| 5297 } | |
| 5298 assert(type); | |
| 5299 | |
| 5300 if (!var->isFuncDeclaration()) // for functions, do checks after overload resolution | |
| 5301 { | |
| 5302 AggregateDeclaration *ad = var->toParent()->isAggregateDeclaration(); | |
| 336 | 5303 e1 = getRightThis(loc, sc, ad, e1, var); |
| 5304 if (!sc->noaccesscheck) | |
| 5305 accessCheck(loc, sc, e1, var); | |
| 5306 | |
| 5307 VarDeclaration *v = var->isVarDeclaration(); | |
| 5308 if (v && v->isConst()) | |
| 5309 { ExpInitializer *ei = v->getExpInitializer(); | |
| 5310 if (ei) | |
| 5311 { Expression *e = ei->exp->copy(); | |
| 5312 e = e->semantic(sc); | |
| 5313 return e; | |
| 159 | 5314 } |
| 5315 } | |
| 5316 } | |
| 5317 } | |
| 5318 //printf("-DotVarExp::semantic('%s')\n", toChars()); | |
| 5319 return this; | |
| 5320 } | |
| 5321 | |
| 5322 Expression *DotVarExp::toLvalue(Scope *sc, Expression *e) | |
| 5323 { | |
| 5324 //printf("DotVarExp::toLvalue(%s)\n", toChars()); | |
| 5325 return this; | |
| 5326 } | |
| 5327 | |
| 5328 Expression *DotVarExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 5329 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5330 #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
|
5331 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
|
5332 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
|
5333 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
|
5334 #endif |
| 159 | 5335 |
| 5336 if (var->isCtorinit()) | |
| 5337 { // It's only modifiable if inside the right constructor | |
| 5338 Dsymbol *s = sc->func; | |
| 5339 while (1) | |
| 5340 { | |
| 5341 FuncDeclaration *fd = NULL; | |
| 5342 if (s) | |
| 5343 fd = s->isFuncDeclaration(); | |
| 5344 if (fd && | |
| 5345 ((fd->isCtorDeclaration() && var->storage_class & STCfield) || | |
| 5346 (fd->isStaticCtorDeclaration() && !(var->storage_class & STCfield))) && | |
| 5347 fd->toParent() == var->toParent() && | |
| 5348 e1->op == TOKthis | |
| 5349 ) | |
| 5350 { | |
| 5351 VarDeclaration *v = var->isVarDeclaration(); | |
| 5352 assert(v); | |
| 5353 v->ctorinit = 1; | |
| 5354 //printf("setting ctorinit\n"); | |
| 5355 } | |
| 5356 else | |
| 5357 { | |
| 5358 if (s) | |
| 5359 { s = s->toParent2(); | |
| 5360 continue; | |
| 5361 } | |
| 5362 else | |
| 5363 { | |
| 5364 const char *p = var->isStatic() ? "static " : ""; | |
| 5365 error("can only initialize %sconst member %s inside %sconstructor", | |
| 5366 p, var->toChars(), p); | |
| 5367 } | |
| 5368 } | |
| 5369 break; | |
| 5370 } | |
| 5371 } | |
| 5372 return this; | |
| 5373 } | |
| 5374 | |
| 5375 void DotVarExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5376 { | |
| 5377 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5378 buf->writeByte('.'); | |
| 5379 buf->writestring(var->toChars()); | |
| 5380 } | |
| 5381 | |
| 5382 /************************************************************/ | |
| 5383 | |
| 5384 /* Things like: | |
| 5385 * foo.bar!(args) | |
| 5386 */ | |
| 5387 | |
| 5388 DotTemplateInstanceExp::DotTemplateInstanceExp(Loc loc, Expression *e, TemplateInstance *ti) | |
| 5389 : UnaExp(loc, TOKdotti, sizeof(DotTemplateInstanceExp), e) | |
| 5390 { | |
| 5391 //printf("DotTemplateInstanceExp()\n"); | |
| 5392 this->ti = ti; | |
| 5393 } | |
| 5394 | |
| 5395 Expression *DotTemplateInstanceExp::syntaxCopy() | |
| 5396 { | |
| 5397 DotTemplateInstanceExp *de = new DotTemplateInstanceExp(loc, | |
| 5398 e1->syntaxCopy(), | |
| 5399 (TemplateInstance *)ti->syntaxCopy(NULL)); | |
| 5400 return de; | |
| 5401 } | |
| 5402 | |
| 5403 Expression *DotTemplateInstanceExp::semantic(Scope *sc) | |
| 5404 { Dsymbol *s; | |
| 5405 Dsymbol *s2; | |
| 5406 TemplateDeclaration *td; | |
| 5407 Expression *e; | |
| 5408 Identifier *id; | |
| 5409 Type *t1; | |
| 5410 Expression *eleft = NULL; | |
| 5411 Expression *eright; | |
| 5412 | |
| 5413 #if LOGSEMANTIC | |
| 5414 printf("DotTemplateInstanceExp::semantic('%s')\n", toChars()); | |
| 5415 #endif | |
| 5416 //e1->print(); | |
| 5417 //print(); | |
| 5418 e1 = e1->semantic(sc); | |
| 5419 t1 = e1->type; | |
| 5420 if (t1) | |
| 5421 t1 = t1->toBasetype(); | |
| 5422 //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
|
5423 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5424 /* 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
|
5425 * 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
|
5426 * 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
|
5427 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5428 |
| 159 | 5429 if (e1->op == TOKdotexp) |
| 5430 { DotExp *de = (DotExp *)e1; | |
| 5431 eleft = de->e1; | |
| 5432 eright = de->e2; | |
| 5433 } | |
| 5434 else | |
| 5435 { eleft = NULL; | |
| 5436 eright = e1; | |
| 5437 } | |
| 5438 if (eright->op == TOKimport) | |
| 5439 { | |
| 5440 s = ((ScopeExp *)eright)->sds; | |
| 5441 } | |
| 5442 else if (e1->op == TOKtype) | |
| 5443 { | |
| 5444 s = t1->isClassHandle(); | |
| 5445 if (!s) | |
| 5446 { if (t1->ty == Tstruct) | |
| 5447 s = ((TypeStruct *)t1)->sym; | |
| 5448 else | |
| 5449 goto L1; | |
| 5450 } | |
| 5451 } | |
| 5452 else if (t1 && (t1->ty == Tstruct || t1->ty == Tclass)) | |
| 5453 { | |
| 5454 s = t1->toDsymbol(sc); | |
| 5455 eleft = e1; | |
| 5456 } | |
| 5457 else if (t1 && t1->ty == Tpointer) | |
| 5458 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5459 t1 = ((TypePointer *)t1)->next->toBasetype(); |
| 159 | 5460 if (t1->ty != Tstruct) |
| 5461 goto L1; | |
| 5462 s = t1->toDsymbol(sc); | |
| 5463 eleft = e1; | |
| 5464 } | |
| 5465 else | |
| 5466 { | |
| 5467 L1: | |
| 5468 error("template %s is not a member of %s", ti->toChars(), e1->toChars()); | |
| 5469 goto Lerr; | |
| 5470 } | |
| 5471 | |
| 5472 assert(s); | |
| 5473 id = ti->name; | |
| 5474 s2 = s->search(loc, id, 0); | |
| 5475 if (!s2) | |
| 5476 { error("template identifier %s is not a member of %s %s", id->toChars(), s->kind(), s->ident->toChars()); | |
| 5477 goto Lerr; | |
| 5478 } | |
| 5479 s = s2; | |
| 5480 s->semantic(sc); | |
| 5481 s = s->toAlias(); | |
| 5482 td = s->isTemplateDeclaration(); | |
| 5483 if (!td) | |
| 5484 { | |
| 5485 error("%s is not a template", id->toChars()); | |
| 5486 goto Lerr; | |
| 5487 } | |
| 5488 if (global.errors) | |
| 5489 goto Lerr; | |
| 5490 | |
| 5491 ti->tempdecl = td; | |
| 5492 | |
| 5493 if (eleft) | |
| 5494 { Declaration *v; | |
| 5495 | |
| 5496 ti->semantic(sc); | |
| 5497 s = ti->inst->toAlias(); | |
| 5498 v = s->isDeclaration(); | |
| 5499 if (v) | |
| 5500 { e = new DotVarExp(loc, eleft, v); | |
| 5501 e = e->semantic(sc); | |
| 5502 return e; | |
| 5503 } | |
| 5504 } | |
| 5505 | |
| 5506 e = new ScopeExp(loc, ti); | |
| 5507 if (eleft) | |
| 5508 { | |
| 5509 e = new DotExp(loc, eleft, e); | |
| 5510 } | |
| 5511 e = e->semantic(sc); | |
| 5512 return e; | |
| 5513 | |
| 5514 Lerr: | |
| 336 | 5515 return new IntegerExp(loc, 0, Type::tint32); |
| 159 | 5516 } |
| 5517 | |
| 5518 void DotTemplateInstanceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5519 { | |
| 5520 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5521 buf->writeByte('.'); | |
| 5522 ti->toCBuffer(buf, hgs); | |
| 5523 } | |
| 5524 | |
| 5525 /************************************************************/ | |
| 5526 | |
| 5527 DelegateExp::DelegateExp(Loc loc, Expression *e, FuncDeclaration *f) | |
| 5528 : UnaExp(loc, TOKdelegate, sizeof(DelegateExp), e) | |
| 5529 { | |
| 5530 this->func = f; | |
| 5531 } | |
| 5532 | |
| 5533 Expression *DelegateExp::semantic(Scope *sc) | |
| 5534 { | |
| 5535 #if LOGSEMANTIC | |
| 5536 printf("DelegateExp::semantic('%s')\n", toChars()); | |
| 5537 #endif | |
| 5538 if (!type) | |
| 5539 { | |
| 5540 e1 = e1->semantic(sc); | |
|
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
|
5541 // LLVMDC we need a copy as we store the LLVM tpye in TypeFunction, and delegate/members have different types for 'this' |
|
e19e20103119
Changed DMD to make a copy of the TypeFunction in DelegateExp.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
5542 type = new TypeDelegate(func->type->syntaxCopy()); |
| 159 | 5543 type = type->semantic(loc, sc); |
| 5544 AggregateDeclaration *ad = func->toParent()->isAggregateDeclaration(); | |
| 336 | 5545 if (func->needThis()) |
| 5546 e1 = getRightThis(loc, sc, ad, e1, func); | |
| 159 | 5547 } |
| 5548 return this; | |
| 5549 } | |
| 5550 | |
| 5551 void DelegateExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5552 { | |
| 5553 buf->writeByte('&'); | |
| 5554 if (!func->isNested()) | |
| 5555 { | |
| 5556 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5557 buf->writeByte('.'); | |
| 5558 } | |
| 5559 buf->writestring(func->toChars()); | |
| 5560 } | |
| 5561 | |
| 5562 /************************************************************/ | |
| 5563 | |
| 5564 DotTypeExp::DotTypeExp(Loc loc, Expression *e, Dsymbol *s) | |
| 5565 : UnaExp(loc, TOKdottype, sizeof(DotTypeExp), e) | |
| 5566 { | |
| 5567 this->sym = s; | |
| 5568 this->type = s->getType(); | |
| 5569 } | |
| 5570 | |
| 5571 Expression *DotTypeExp::semantic(Scope *sc) | |
| 5572 { | |
| 5573 #if LOGSEMANTIC | |
| 5574 printf("DotTypeExp::semantic('%s')\n", toChars()); | |
| 5575 #endif | |
| 5576 UnaExp::semantic(sc); | |
| 5577 return this; | |
| 5578 } | |
| 5579 | |
| 5580 void DotTypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 5581 { | |
| 5582 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 5583 buf->writeByte('.'); | |
| 5584 buf->writestring(sym->toChars()); | |
| 5585 } | |
| 5586 | |
| 5587 /************************************************************/ | |
| 5588 | |
| 5589 CallExp::CallExp(Loc loc, Expression *e, Expressions *exps) | |
| 5590 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5591 { | |
| 5592 this->arguments = exps; | |
| 5593 } | |
| 5594 | |
| 5595 CallExp::CallExp(Loc loc, Expression *e) | |
| 5596 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5597 { | |
| 5598 this->arguments = NULL; | |
| 5599 } | |
| 5600 | |
| 5601 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1) | |
| 5602 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5603 { | |
| 5604 Expressions *arguments = new Expressions(); | |
| 5605 arguments->setDim(1); | |
| 5606 arguments->data[0] = (void *)earg1; | |
| 5607 | |
| 5608 this->arguments = arguments; | |
| 5609 } | |
| 5610 | |
| 5611 CallExp::CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2) | |
| 5612 : UnaExp(loc, TOKcall, sizeof(CallExp), e) | |
| 5613 { | |
| 5614 Expressions *arguments = new Expressions(); | |
| 5615 arguments->setDim(2); | |
| 5616 arguments->data[0] = (void *)earg1; | |
| 5617 arguments->data[1] = (void *)earg2; | |
| 5618 | |
| 5619 this->arguments = arguments; | |
| 5620 } | |
| 5621 | |
| 5622 Expression *CallExp::syntaxCopy() | |
| 5623 { | |
| 5624 return new CallExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 5625 } | |
| 5626 | |
| 5627 | |
| 5628 Expression *CallExp::semantic(Scope *sc) | |
| 5629 { | |
| 5630 TypeFunction *tf; | |
| 5631 FuncDeclaration *f; | |
| 5632 int i; | |
| 5633 Type *t1; | |
| 5634 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
|
5635 Objects *targsi = NULL; // initial list of template arguments |
| 159 | 5636 |
| 5637 #if LOGSEMANTIC | |
| 5638 printf("CallExp::semantic() %s\n", toChars()); | |
| 5639 #endif | |
| 5640 if (type) | |
| 5641 return this; // semantic() already run | |
| 5642 #if 0 | |
| 5643 if (arguments && arguments->dim) | |
| 5644 { | |
| 5645 Expression *earg = (Expression *)arguments->data[0]; | |
| 5646 earg->print(); | |
| 5647 if (earg->type) earg->type->print(); | |
| 5648 } | |
| 5649 #endif | |
| 5650 | |
| 5651 if (e1->op == TOKdelegate) | |
| 5652 { DelegateExp *de = (DelegateExp *)e1; | |
| 5653 | |
| 5654 e1 = new DotVarExp(de->loc, de->e1, de->func); | |
| 5655 return semantic(sc); | |
| 5656 } | |
| 5657 | |
| 5658 /* Transform: | |
| 5659 * array.id(args) into id(array,args) | |
| 5660 * aa.remove(arg) into delete aa[arg] | |
| 5661 */ | |
| 5662 if (e1->op == TOKdot) | |
| 5663 { | |
| 5664 // BUG: we should handle array.a.b.c.e(args) too | |
| 5665 | |
| 5666 DotIdExp *dotid = (DotIdExp *)(e1); | |
| 5667 dotid->e1 = dotid->e1->semantic(sc); | |
| 5668 assert(dotid->e1); | |
| 5669 if (dotid->e1->type) | |
| 5670 { | |
| 5671 TY e1ty = dotid->e1->type->toBasetype()->ty; | |
| 5672 if (e1ty == Taarray && dotid->ident == Id::remove) | |
| 5673 { | |
| 5674 if (!arguments || arguments->dim != 1) | |
| 5675 { error("expected key as argument to aa.remove()"); | |
| 5676 goto Lagain; | |
| 5677 } | |
| 5678 Expression *key = (Expression *)arguments->data[0]; | |
| 5679 key = key->semantic(sc); | |
| 5680 key = resolveProperties(sc, key); | |
| 5681 key->rvalue(); | |
| 5682 | |
| 5683 TypeAArray *taa = (TypeAArray *)dotid->e1->type->toBasetype(); | |
| 5684 key = key->implicitCastTo(sc, taa->index); | |
| 5685 key = key->implicitCastTo(sc, taa->key); | |
| 5686 | |
| 5687 return new RemoveExp(loc, dotid->e1, key); | |
| 5688 } | |
| 5689 else if (e1ty == Tarray || e1ty == Tsarray || e1ty == Taarray) | |
| 5690 { | |
| 5691 if (!arguments) | |
| 5692 arguments = new Expressions(); | |
| 5693 arguments->shift(dotid->e1); | |
| 5694 e1 = new IdentifierExp(dotid->loc, dotid->ident); | |
| 5695 } | |
| 5696 } | |
| 5697 } | |
| 5698 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5699 #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
|
5700 /* 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
|
5701 * 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
|
5702 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5703 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
|
5704 { 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
|
5705 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
|
5706 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
|
5707 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5708 /* 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
|
5709 * 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
|
5710 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5711 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
|
5712 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
|
5713 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
|
5714 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
|
5715 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
|
5716 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
|
5717 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5718 /* 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
|
5719 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5720 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
|
5721 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
|
5722 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
|
5723 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5724 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5725 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5726 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5727 /* 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
|
5728 * 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
|
5729 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5730 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
|
5731 { 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
|
5732 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
|
5733 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
|
5734 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5735 /* 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
|
5736 * 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
|
5737 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5738 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
|
5739 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
|
5740 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
|
5741 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
|
5742 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
|
5743 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
|
5744 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
|
5745 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5746 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
|
5747 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
|
5748 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
|
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 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5751 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
|
5752 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5753 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5754 #endif |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
5755 |
| 159 | 5756 istemp = 0; |
| 5757 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
|
5758 //printf("Lagain: %s\n", toChars()); |
| 159 | 5759 f = NULL; |
| 5760 if (e1->op == TOKthis || e1->op == TOKsuper) | |
| 5761 { | |
| 5762 // semantic() run later for these | |
| 5763 } | |
| 5764 else | |
| 5765 { | |
| 5766 UnaExp::semantic(sc); | |
| 5767 | |
| 5768 /* Look for e1 being a lazy parameter | |
| 5769 */ | |
| 5770 if (e1->op == TOKvar) | |
| 5771 { VarExp *ve = (VarExp *)e1; | |
| 5772 | |
| 5773 if (ve->var->storage_class & STClazy) | |
| 5774 { | |
| 5775 TypeFunction *tf = new TypeFunction(NULL, ve->var->type, 0, LINKd); | |
| 5776 TypeDelegate *t = new TypeDelegate(tf); | |
| 5777 ve->type = t->semantic(loc, sc); | |
| 5778 } | |
| 5779 } | |
| 5780 | |
| 5781 if (e1->op == TOKimport) | |
| 5782 { // Perhaps this should be moved to ScopeExp::semantic() | |
| 5783 ScopeExp *se = (ScopeExp *)e1; | |
| 5784 e1 = new DsymbolExp(loc, se->sds); | |
| 5785 e1 = e1->semantic(sc); | |
| 5786 } | |
| 5787 #if 1 // patch for #540 by Oskar Linde | |
| 5788 else if (e1->op == TOKdotexp) | |
| 5789 { | |
| 5790 DotExp *de = (DotExp *) e1; | |
| 5791 | |
| 5792 if (de->e2->op == TOKimport) | |
| 5793 { // This should *really* be moved to ScopeExp::semantic() | |
| 5794 ScopeExp *se = (ScopeExp *)de->e2; | |
| 5795 de->e2 = new DsymbolExp(loc, se->sds); | |
| 5796 de->e2 = de->e2->semantic(sc); | |
| 5797 } | |
| 5798 | |
| 5799 if (de->e2->op == TOKtemplate) | |
| 5800 { TemplateExp *te = (TemplateExp *) de->e2; | |
| 5801 e1 = new DotTemplateExp(loc,de->e1,te->td); | |
| 5802 } | |
| 5803 } | |
| 5804 #endif | |
| 5805 } | |
| 5806 | |
| 5807 if (e1->op == TOKcomma) | |
| 5808 { | |
| 5809 CommaExp *ce = (CommaExp *)e1; | |
| 5810 | |
| 5811 e1 = ce->e2; | |
| 5812 e1->type = ce->type; | |
| 5813 ce->e2 = this; | |
| 5814 ce->type = NULL; | |
| 5815 return ce->semantic(sc); | |
| 5816 } | |
| 5817 | |
| 5818 t1 = NULL; | |
| 5819 if (e1->type) | |
| 5820 t1 = e1->type->toBasetype(); | |
| 5821 | |
| 5822 // Check for call operator overload | |
| 5823 if (t1) | |
| 5824 { AggregateDeclaration *ad; | |
| 5825 | |
| 5826 if (t1->ty == Tstruct) | |
| 5827 { | |
| 5828 ad = ((TypeStruct *)t1)->sym; | |
| 5829 if (search_function(ad, Id::call)) | |
| 5830 goto L1; // overload of opCall, therefore it's a call | |
| 5831 | |
| 5832 if (e1->op != TOKtype) | |
| 5833 error("%s %s does not overload ()", ad->kind(), ad->toChars()); | |
| 5834 /* It's a struct literal | |
| 5835 */ | |
| 5836 Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments); | |
| 5837 e = e->semantic(sc); | |
| 5838 e->type = e1->type; // in case e1->type was a typedef | |
| 5839 return e; | |
| 5840 } | |
| 5841 else if (t1->ty == Tclass) | |
| 5842 { | |
| 5843 ad = ((TypeClass *)t1)->sym; | |
| 5844 goto L1; | |
| 5845 L1: | |
| 5846 // Rewrite as e1.call(arguments) | |
| 5847 Expression *e = new DotIdExp(loc, e1, Id::call); | |
| 5848 e = new CallExp(loc, e, arguments); | |
| 5849 e = e->semantic(sc); | |
| 5850 return e; | |
| 5851 } | |
| 5852 } | |
| 5853 | |
| 5854 arrayExpressionSemantic(arguments, sc); | |
| 5855 preFunctionArguments(loc, sc, arguments); | |
| 5856 | |
| 5857 if (e1->op == TOKdotvar && t1->ty == Tfunction || | |
| 5858 e1->op == TOKdottd) | |
| 5859 { | |
| 5860 DotVarExp *dve; | |
| 5861 DotTemplateExp *dte; | |
| 5862 AggregateDeclaration *ad; | |
| 5863 UnaExp *ue = (UnaExp *)(e1); | |
| 336 | 5864 |
| 159 | 5865 if (e1->op == TOKdotvar) |
| 5866 { // Do overload resolution | |
| 5867 dve = (DotVarExp *)(e1); | |
| 5868 | |
| 5869 f = dve->var->isFuncDeclaration(); | |
| 5870 assert(f); | |
| 5871 f = f->overloadResolve(loc, arguments); | |
| 5872 | |
| 5873 ad = f->toParent()->isAggregateDeclaration(); | |
| 5874 } | |
| 5875 else | |
| 5876 { dte = (DotTemplateExp *)(e1); | |
| 5877 TemplateDeclaration *td = dte->td; | |
| 5878 assert(td); | |
| 5879 if (!arguments) | |
| 5880 // Should fix deduceFunctionTemplate() so it works on NULL argument | |
| 5881 arguments = new Expressions(); | |
| 5882 f = td->deduceFunctionTemplate(sc, loc, NULL, arguments); | |
| 5883 if (!f) | |
| 5884 { type = Type::terror; | |
| 5885 return this; | |
| 5886 } | |
| 5887 ad = td->toParent()->isAggregateDeclaration(); | |
| 5888 } | |
| 336 | 5889 if (f->needThis()) |
| 5890 { | |
| 5891 ue->e1 = getRightThis(loc, sc, ad, ue->e1, f); | |
| 5892 } | |
| 5893 | |
| 5894 /* Cannot call public functions from inside invariant | |
| 5895 * (because then the invariant would have infinite recursion) | |
| 159 | 5896 */ |
| 336 | 5897 if (sc->func && sc->func->isInvariantDeclaration() && |
| 5898 ue->e1->op == TOKthis && | |
| 5899 f->addPostInvariant() | |
| 159 | 5900 ) |
| 5901 { | |
| 336 | 5902 error("cannot call public/export function %s from invariant", f->toChars()); |
| 159 | 5903 } |
| 5904 | |
| 5905 checkDeprecated(sc, f); | |
| 5906 accessCheck(loc, sc, ue->e1, f); | |
| 5907 if (!f->needThis()) | |
| 5908 { | |
| 5909 VarExp *ve = new VarExp(loc, f); | |
| 5910 e1 = new CommaExp(loc, ue->e1, ve); | |
| 5911 e1->type = f->type; | |
| 5912 } | |
| 5913 else | |
| 5914 { | |
| 5915 if (e1->op == TOKdotvar) | |
| 5916 dve->var = f; | |
| 5917 else | |
| 5918 e1 = new DotVarExp(loc, dte->e1, f); | |
| 5919 e1->type = f->type; | |
| 5920 | |
| 5921 // See if we need to adjust the 'this' pointer | |
| 5922 AggregateDeclaration *ad = f->isThis(); | |
| 5923 ClassDeclaration *cd = ue->e1->type->isClassHandle(); | |
| 5924 if (ad && cd && ad->isClassDeclaration() && ad != cd && | |
| 5925 ue->e1->op != TOKsuper) | |
| 5926 { | |
| 5927 ue->e1 = ue->e1->castTo(sc, ad->type); //new CastExp(loc, ue->e1, ad->type); | |
| 5928 ue->e1 = ue->e1->semantic(sc); | |
| 5929 } | |
| 5930 } | |
| 5931 t1 = e1->type; | |
| 5932 } | |
| 5933 else if (e1->op == TOKsuper) | |
| 5934 { | |
| 5935 // Base class constructor call | |
| 5936 ClassDeclaration *cd = NULL; | |
| 5937 | |
| 5938 if (sc->func) | |
| 5939 cd = sc->func->toParent()->isClassDeclaration(); | |
| 5940 if (!cd || !cd->baseClass || !sc->func->isCtorDeclaration()) | |
| 5941 { | |
| 5942 error("super class constructor call must be in a constructor"); | |
| 5943 type = Type::terror; | |
| 5944 return this; | |
| 5945 } | |
| 5946 else | |
| 5947 { | |
| 5948 f = cd->baseClass->ctor; | |
| 5949 if (!f) | |
| 5950 { error("no super class constructor for %s", cd->baseClass->toChars()); | |
| 5951 type = Type::terror; | |
| 5952 return this; | |
| 5953 } | |
| 5954 else | |
| 5955 { | |
| 336 | 5956 if (!sc->intypeof) |
| 5957 { | |
| 159 | 5958 #if 0 |
| 336 | 5959 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 5960 error("reference to this before super()"); | |
| 159 | 5961 #endif |
| 336 | 5962 if (sc->noctor || sc->callSuper & CSXlabel) |
| 5963 error("constructor calls not allowed in loops or after labels"); | |
| 5964 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 5965 error("multiple constructor calls"); | |
| 5966 sc->callSuper |= CSXany_ctor | CSXsuper_ctor; | |
| 5967 } | |
| 159 | 5968 |
| 5969 f = f->overloadResolve(loc, arguments); | |
| 5970 checkDeprecated(sc, f); | |
| 5971 e1 = new DotVarExp(e1->loc, e1, f); | |
| 5972 e1 = e1->semantic(sc); | |
| 5973 t1 = e1->type; | |
| 5974 } | |
| 5975 } | |
| 5976 } | |
| 5977 else if (e1->op == TOKthis) | |
| 5978 { | |
| 5979 // same class constructor call | |
| 5980 ClassDeclaration *cd = NULL; | |
| 5981 | |
| 5982 if (sc->func) | |
| 5983 cd = sc->func->toParent()->isClassDeclaration(); | |
| 5984 if (!cd || !sc->func->isCtorDeclaration()) | |
| 5985 { | |
| 5986 error("class constructor call must be in a constructor"); | |
| 5987 type = Type::terror; | |
| 5988 return this; | |
| 5989 } | |
| 5990 else | |
| 5991 { | |
| 336 | 5992 if (!sc->intypeof) |
| 5993 { | |
| 159 | 5994 #if 0 |
| 336 | 5995 if (sc->callSuper & (CSXthis | CSXsuper)) |
| 5996 error("reference to this before super()"); | |
| 159 | 5997 #endif |
| 336 | 5998 if (sc->noctor || sc->callSuper & CSXlabel) |
| 5999 error("constructor calls not allowed in loops or after labels"); | |
| 6000 if (sc->callSuper & (CSXsuper_ctor | CSXthis_ctor)) | |
| 6001 error("multiple constructor calls"); | |
| 6002 sc->callSuper |= CSXany_ctor | CSXthis_ctor; | |
| 6003 } | |
| 159 | 6004 |
| 6005 f = cd->ctor; | |
| 6006 f = f->overloadResolve(loc, arguments); | |
| 6007 checkDeprecated(sc, f); | |
| 6008 e1 = new DotVarExp(e1->loc, e1, f); | |
| 6009 e1 = e1->semantic(sc); | |
| 6010 t1 = e1->type; | |
| 6011 | |
| 6012 // BUG: this should really be done by checking the static | |
| 6013 // call graph | |
| 6014 if (f == sc->func) | |
| 6015 error("cyclic constructor call"); | |
| 6016 } | |
| 6017 } | |
| 6018 else if (!t1) | |
| 6019 { | |
| 6020 error("function expected before (), not '%s'", e1->toChars()); | |
| 6021 type = Type::terror; | |
| 6022 return this; | |
| 6023 } | |
| 6024 else if (t1->ty != Tfunction) | |
| 6025 { | |
| 6026 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
|
6027 { 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
|
6028 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
|
6029 tf = (TypeFunction *)(td->next); |
| 159 | 6030 goto Lcheckargs; |
| 6031 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6032 else if (t1->ty == Tpointer && ((TypePointer *)t1)->next->ty == Tfunction) |
| 159 | 6033 { Expression *e; |
| 6034 | |
| 6035 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
|
6036 t1 = ((TypePointer *)t1)->next; |
| 159 | 6037 e->type = t1; |
| 6038 e1 = e; | |
| 6039 } | |
| 6040 else if (e1->op == TOKtemplate) | |
| 6041 { | |
| 6042 TemplateExp *te = (TemplateExp *)e1; | |
| 6043 f = te->td->deduceFunctionTemplate(sc, loc, NULL, arguments); | |
| 6044 if (!f) | |
| 6045 { type = Type::terror; | |
| 6046 return this; | |
| 6047 } | |
| 6048 if (f->needThis() && hasThis(sc)) | |
| 6049 { | |
| 6050 // Supply an implicit 'this', as in | |
| 6051 // this.ident | |
| 6052 | |
| 6053 e1 = new DotTemplateExp(loc, (new ThisExp(loc))->semantic(sc), te->td); | |
| 6054 goto Lagain; | |
| 6055 } | |
| 6056 | |
| 6057 e1 = new VarExp(loc, f); | |
| 6058 goto Lagain; | |
| 6059 } | |
| 6060 else | |
| 6061 { error("function expected before (), not %s of type %s", e1->toChars(), e1->type->toChars()); | |
| 6062 type = Type::terror; | |
| 6063 return this; | |
| 6064 } | |
| 6065 } | |
| 6066 else if (e1->op == TOKvar) | |
| 6067 { | |
| 6068 // Do overload resolution | |
| 6069 VarExp *ve = (VarExp *)e1; | |
| 6070 | |
| 6071 f = ve->var->isFuncDeclaration(); | |
| 6072 assert(f); | |
| 6073 | |
| 6074 // Look to see if f is really a function template | |
| 6075 if (0 && !istemp && f->parent) | |
| 6076 { TemplateInstance *ti = f->parent->isTemplateInstance(); | |
| 6077 | |
| 6078 if (ti && | |
| 6079 (ti->name == f->ident || | |
| 6080 ti->toAlias()->ident == f->ident) | |
| 6081 && | |
| 6082 ti->tempdecl) | |
| 6083 { | |
| 6084 /* This is so that one can refer to the enclosing | |
| 6085 * template, even if it has the same name as a member | |
| 6086 * of the template, if it has a !(arguments) | |
| 6087 */ | |
| 6088 TemplateDeclaration *tempdecl = ti->tempdecl; | |
| 6089 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 6090 tempdecl = tempdecl->overroot; // then get the start | |
| 6091 e1 = new TemplateExp(loc, tempdecl); | |
| 6092 istemp = 1; | |
| 6093 goto Lagain; | |
| 6094 } | |
| 6095 } | |
| 6096 | |
| 6097 f = f->overloadResolve(loc, arguments); | |
| 6098 checkDeprecated(sc, f); | |
| 6099 | |
| 6100 if (f->needThis() && hasThis(sc)) | |
| 6101 { | |
| 6102 // Supply an implicit 'this', as in | |
| 6103 // this.ident | |
| 6104 | |
| 6105 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 6106 goto Lagain; | |
| 6107 } | |
| 6108 | |
| 6109 accessCheck(loc, sc, NULL, f); | |
| 6110 | |
| 6111 ve->var = f; | |
| 6112 ve->type = f->type; | |
| 6113 t1 = f->type; | |
| 6114 } | |
| 6115 assert(t1->ty == Tfunction); | |
| 6116 tf = (TypeFunction *)(t1); | |
| 6117 | |
| 6118 Lcheckargs: | |
| 6119 assert(tf->ty == Tfunction); | |
| 6120 type = tf->next; | |
| 6121 | |
| 6122 if (!arguments) | |
| 6123 arguments = new Expressions(); | |
| 6124 functionArguments(loc, sc, tf, arguments); | |
| 6125 | |
| 6126 assert(type); | |
| 6127 | |
| 6128 if (f && f->tintro) | |
| 6129 { | |
| 6130 Type *t = type; | |
| 6131 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
|
6132 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
|
6133 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6134 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
|
6135 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6136 type = tf->next; |
| 159 | 6137 return castTo(sc, t); |
| 6138 } | |
| 6139 } | |
| 6140 | |
| 6141 return this; | |
| 6142 } | |
| 6143 | |
| 6144 int CallExp::checkSideEffect(int flag) | |
| 6145 { | |
| 6146 return 1; | |
| 6147 } | |
| 6148 | |
| 6149 Expression *CallExp::toLvalue(Scope *sc, Expression *e) | |
| 6150 { | |
| 6151 if (type->toBasetype()->ty == Tstruct) | |
| 6152 return this; | |
| 6153 else | |
| 6154 return Expression::toLvalue(sc, e); | |
| 6155 } | |
| 6156 | |
| 6157 void CallExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6158 { int i; | |
| 6159 | |
| 6160 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6161 buf->writeByte('('); | |
| 6162 argsToCBuffer(buf, arguments, hgs); | |
| 6163 buf->writeByte(')'); | |
| 6164 } | |
| 6165 | |
| 6166 | |
| 6167 /************************************************************/ | |
| 6168 | |
| 6169 AddrExp::AddrExp(Loc loc, Expression *e) | |
| 6170 : UnaExp(loc, TOKaddress, sizeof(AddrExp), e) | |
| 6171 { | |
| 6172 } | |
| 6173 | |
| 6174 Expression *AddrExp::semantic(Scope *sc) | |
| 6175 { | |
| 6176 #if LOGSEMANTIC | |
| 6177 printf("AddrExp::semantic('%s')\n", toChars()); | |
| 6178 #endif | |
| 6179 if (!type) | |
| 6180 { | |
| 6181 UnaExp::semantic(sc); | |
| 6182 e1 = e1->toLvalue(sc, NULL); | |
| 6183 if (!e1->type) | |
| 6184 { | |
| 6185 error("cannot take address of %s", e1->toChars()); | |
| 6186 type = Type::tint32; | |
| 6187 return this; | |
| 6188 } | |
| 6189 type = e1->type->pointerTo(); | |
| 6190 | |
| 6191 // See if this should really be a delegate | |
| 6192 if (e1->op == TOKdotvar) | |
| 6193 { | |
| 6194 DotVarExp *dve = (DotVarExp *)e1; | |
| 6195 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6196 | |
| 6197 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
|
6198 { Expression *e = new DelegateExp(loc, dve->e1, f); |
| 159 | 6199 e = e->semantic(sc); |
| 6200 return e; | |
| 6201 } | |
| 6202 } | |
| 6203 else if (e1->op == TOKvar) | |
| 6204 { | |
| 6205 VarExp *dve = (VarExp *)e1; | |
| 6206 FuncDeclaration *f = dve->var->isFuncDeclaration(); | |
| 6207 VarDeclaration *v = dve->var->isVarDeclaration(); | |
| 6208 | |
|
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
|
6209 // LLVMDC |
|
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
|
6210 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
|
6211 { |
|
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
|
6212 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
|
6213 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
|
6214 } |
|
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
|
6215 |
| 159 | 6216 if (f && f->isNested()) |
| 6217 { Expression *e; | |
| 6218 | |
| 6219 e = new DelegateExp(loc, e1, f); | |
| 6220 e = e->semantic(sc); | |
| 6221 return e; | |
| 6222 } | |
| 6223 } | |
| 6224 else if (e1->op == TOKarray) | |
| 6225 { | |
| 6226 if (e1->type->toBasetype()->ty == Tbit) | |
| 6227 error("cannot take address of bit in array"); | |
| 6228 } | |
| 6229 return optimize(WANTvalue); | |
| 6230 } | |
| 6231 return this; | |
| 6232 } | |
| 6233 | |
| 6234 /************************************************************/ | |
| 6235 | |
| 6236 PtrExp::PtrExp(Loc loc, Expression *e) | |
| 6237 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6238 { | |
| 6239 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
|
6240 type = ((TypePointer *)e->type)->next; |
| 159 | 6241 } |
| 6242 | |
| 6243 PtrExp::PtrExp(Loc loc, Expression *e, Type *t) | |
| 6244 : UnaExp(loc, TOKstar, sizeof(PtrExp), e) | |
| 6245 { | |
| 6246 type = t; | |
| 6247 } | |
| 6248 | |
| 6249 Expression *PtrExp::semantic(Scope *sc) | |
| 6250 { Type *tb; | |
| 6251 | |
| 6252 #if LOGSEMANTIC | |
| 6253 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6254 #endif | |
| 6255 UnaExp::semantic(sc); | |
| 6256 e1 = resolveProperties(sc, e1); | |
| 6257 if (type) | |
| 6258 return this; | |
| 6259 if (!e1->type) | |
| 6260 printf("PtrExp::semantic('%s')\n", toChars()); | |
| 6261 tb = e1->type->toBasetype(); | |
| 6262 switch (tb->ty) | |
| 6263 { | |
| 6264 case Tpointer: | |
| 6265 type = tb->next; | |
| 6266 if (type->isbit()) | |
| 6267 { Expression *e; | |
| 6268 | |
| 6269 // Rewrite *p as p[0] | |
| 6270 e = new IndexExp(loc, e1, new IntegerExp(0)); | |
| 6271 return e->semantic(sc); | |
| 6272 } | |
| 6273 break; | |
| 6274 | |
| 6275 case Tsarray: | |
| 6276 case Tarray: | |
| 6277 type = tb->next; | |
| 6278 e1 = e1->castTo(sc, type->pointerTo()); | |
| 6279 break; | |
| 6280 | |
| 6281 default: | |
| 6282 error("can only * a pointer, not a '%s'", e1->type->toChars()); | |
| 6283 type = Type::tint32; | |
| 6284 break; | |
| 6285 } | |
| 6286 rvalue(); | |
| 6287 return this; | |
| 6288 } | |
| 6289 | |
| 6290 Expression *PtrExp::toLvalue(Scope *sc, Expression *e) | |
| 6291 { | |
| 6292 #if 0 | |
| 6293 tym = tybasic(e1->ET->Tty); | |
| 6294 if (!(tyscalar(tym) || | |
| 6295 tym == TYstruct || | |
| 6296 tym == TYarray && e->Eoper == TOKaddr)) | |
| 6297 synerr(EM_lvalue); // lvalue expected | |
| 6298 #endif | |
| 6299 return this; | |
| 6300 } | |
| 6301 | |
| 6302 void PtrExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6303 { | |
| 6304 buf->writeByte('*'); | |
| 6305 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6306 } | |
| 6307 | |
| 6308 /************************************************************/ | |
| 6309 | |
| 6310 NegExp::NegExp(Loc loc, Expression *e) | |
| 6311 : UnaExp(loc, TOKneg, sizeof(NegExp), e) | |
| 6312 { | |
| 6313 } | |
| 6314 | |
| 6315 Expression *NegExp::semantic(Scope *sc) | |
| 6316 { Expression *e; | |
| 6317 | |
| 6318 #if LOGSEMANTIC | |
| 6319 printf("NegExp::semantic('%s')\n", toChars()); | |
| 6320 #endif | |
| 6321 if (!type) | |
| 6322 { | |
| 6323 UnaExp::semantic(sc); | |
| 6324 e1 = resolveProperties(sc, e1); | |
| 6325 e = op_overload(sc); | |
| 6326 if (e) | |
| 6327 return e; | |
| 6328 | |
| 6329 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
|
6330 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
|
6331 e1->checkArithmetic(); |
| 159 | 6332 type = e1->type; |
| 6333 } | |
| 6334 return this; | |
| 6335 } | |
| 6336 | |
| 6337 /************************************************************/ | |
| 6338 | |
| 6339 UAddExp::UAddExp(Loc loc, Expression *e) | |
| 6340 : UnaExp(loc, TOKuadd, sizeof(UAddExp), e) | |
| 6341 { | |
| 6342 } | |
| 6343 | |
| 6344 Expression *UAddExp::semantic(Scope *sc) | |
| 6345 { Expression *e; | |
| 6346 | |
| 6347 #if LOGSEMANTIC | |
| 6348 printf("UAddExp::semantic('%s')\n", toChars()); | |
| 6349 #endif | |
| 6350 assert(!type); | |
| 6351 UnaExp::semantic(sc); | |
| 6352 e1 = resolveProperties(sc, e1); | |
| 6353 e = op_overload(sc); | |
| 6354 if (e) | |
| 6355 return e; | |
| 6356 e1->checkNoBool(); | |
| 6357 e1->checkArithmetic(); | |
| 6358 return e1; | |
| 6359 } | |
| 6360 | |
| 6361 /************************************************************/ | |
| 6362 | |
| 6363 ComExp::ComExp(Loc loc, Expression *e) | |
| 6364 : UnaExp(loc, TOKtilde, sizeof(ComExp), e) | |
| 6365 { | |
| 6366 } | |
| 6367 | |
| 6368 Expression *ComExp::semantic(Scope *sc) | |
| 6369 { Expression *e; | |
| 6370 | |
| 6371 if (!type) | |
| 6372 { | |
| 6373 UnaExp::semantic(sc); | |
| 6374 e1 = resolveProperties(sc, e1); | |
| 6375 e = op_overload(sc); | |
| 6376 if (e) | |
| 6377 return e; | |
| 6378 | |
| 6379 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
|
6380 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
|
6381 e1 = e1->checkIntegral(); |
| 159 | 6382 type = e1->type; |
| 6383 } | |
| 6384 return this; | |
| 6385 } | |
| 6386 | |
| 6387 /************************************************************/ | |
| 6388 | |
| 6389 NotExp::NotExp(Loc loc, Expression *e) | |
| 6390 : UnaExp(loc, TOKnot, sizeof(NotExp), e) | |
| 6391 { | |
| 6392 } | |
| 6393 | |
| 6394 Expression *NotExp::semantic(Scope *sc) | |
| 6395 { | |
| 6396 UnaExp::semantic(sc); | |
| 6397 e1 = resolveProperties(sc, e1); | |
| 6398 e1 = e1->checkToBoolean(); | |
| 6399 type = Type::tboolean; | |
| 6400 return this; | |
| 6401 } | |
| 6402 | |
| 6403 int NotExp::isBit() | |
| 6404 { | |
| 6405 return TRUE; | |
| 6406 } | |
| 6407 | |
| 6408 | |
| 6409 | |
| 6410 /************************************************************/ | |
| 6411 | |
| 6412 BoolExp::BoolExp(Loc loc, Expression *e, Type *t) | |
| 6413 : UnaExp(loc, TOKtobool, sizeof(BoolExp), e) | |
| 6414 { | |
| 6415 type = t; | |
| 6416 } | |
| 6417 | |
| 6418 Expression *BoolExp::semantic(Scope *sc) | |
| 6419 { | |
| 6420 UnaExp::semantic(sc); | |
| 6421 e1 = resolveProperties(sc, e1); | |
| 6422 e1 = e1->checkToBoolean(); | |
| 6423 type = Type::tboolean; | |
| 6424 return this; | |
| 6425 } | |
| 6426 | |
| 6427 int BoolExp::isBit() | |
| 6428 { | |
| 6429 return TRUE; | |
| 6430 } | |
| 6431 | |
| 6432 /************************************************************/ | |
| 6433 | |
| 6434 DeleteExp::DeleteExp(Loc loc, Expression *e) | |
| 6435 : UnaExp(loc, TOKdelete, sizeof(DeleteExp), e) | |
| 6436 { | |
| 6437 } | |
| 6438 | |
| 6439 Expression *DeleteExp::semantic(Scope *sc) | |
| 6440 { | |
| 6441 Type *tb; | |
| 6442 | |
| 6443 UnaExp::semantic(sc); | |
| 6444 e1 = resolveProperties(sc, e1); | |
| 6445 e1 = e1->toLvalue(sc, NULL); | |
| 6446 type = Type::tvoid; | |
| 6447 | |
| 6448 tb = e1->type->toBasetype(); | |
| 6449 switch (tb->ty) | |
| 6450 { case Tclass: | |
| 6451 { TypeClass *tc = (TypeClass *)tb; | |
| 6452 ClassDeclaration *cd = tc->sym; | |
| 6453 | |
| 6454 if (cd->isCOMinterface()) | |
| 6455 { /* Because COM classes are deleted by IUnknown.Release() | |
| 6456 */ | |
| 6457 error("cannot delete instance of COM interface %s", cd->toChars()); | |
| 6458 } | |
| 6459 break; | |
| 6460 } | |
| 6461 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
|
6462 tb = ((TypePointer *)tb)->next->toBasetype(); |
| 159 | 6463 if (tb->ty == Tstruct) |
| 6464 { | |
| 6465 TypeStruct *ts = (TypeStruct *)tb; | |
| 6466 StructDeclaration *sd = ts->sym; | |
| 6467 FuncDeclaration *f = sd->aggDelete; | |
| 6468 | |
| 6469 if (f) | |
| 6470 { | |
| 6471 Type *tpv = Type::tvoid->pointerTo(); | |
| 6472 | |
| 6473 Expression *e = e1->castTo(sc, tpv); | |
| 6474 Expression *ec = new VarExp(loc, f); | |
| 6475 e = new CallExp(loc, ec, e); | |
| 6476 return e->semantic(sc); | |
| 6477 } | |
| 6478 } | |
| 6479 break; | |
| 6480 | |
| 6481 case Tarray: | |
| 6482 break; | |
| 6483 | |
| 6484 default: | |
| 6485 if (e1->op == TOKindex) | |
| 6486 { | |
| 6487 IndexExp *ae = (IndexExp *)(e1); | |
| 6488 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6489 if (tb1->ty == Taarray) | |
| 6490 break; | |
| 6491 } | |
| 6492 error("cannot delete type %s", e1->type->toChars()); | |
| 6493 break; | |
| 6494 } | |
| 6495 | |
| 6496 if (e1->op == TOKindex) | |
| 6497 { | |
| 6498 IndexExp *ae = (IndexExp *)(e1); | |
| 6499 Type *tb1 = ae->e1->type->toBasetype(); | |
| 6500 if (tb1->ty == Taarray) | |
| 6501 { if (!global.params.useDeprecated) | |
| 6502 error("delete aa[key] deprecated, use aa.remove(key)"); | |
| 6503 } | |
| 6504 } | |
| 6505 | |
| 6506 return this; | |
| 6507 } | |
| 6508 | |
| 6509 int DeleteExp::checkSideEffect(int flag) | |
| 6510 { | |
| 6511 return 1; | |
| 6512 } | |
| 6513 | |
| 6514 Expression *DeleteExp::checkToBoolean() | |
| 6515 { | |
| 6516 error("delete does not give a boolean result"); | |
| 6517 return this; | |
| 6518 } | |
| 6519 | |
| 6520 void DeleteExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6521 { | |
| 6522 buf->writestring("delete "); | |
| 6523 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6524 } | |
| 6525 | |
| 6526 /************************************************************/ | |
| 6527 | |
| 6528 CastExp::CastExp(Loc loc, Expression *e, Type *t) | |
| 6529 : UnaExp(loc, TOKcast, sizeof(CastExp), e) | |
| 6530 { | |
| 6531 to = t; | |
| 6532 } | |
| 6533 | |
| 6534 Expression *CastExp::syntaxCopy() | |
| 6535 { | |
| 6536 return new CastExp(loc, e1->syntaxCopy(), to->syntaxCopy()); | |
| 6537 } | |
| 6538 | |
| 6539 | |
| 6540 Expression *CastExp::semantic(Scope *sc) | |
| 6541 { Expression *e; | |
| 6542 BinExp *b; | |
| 6543 UnaExp *u; | |
| 6544 | |
| 6545 #if LOGSEMANTIC | |
| 6546 printf("CastExp::semantic('%s')\n", toChars()); | |
| 6547 #endif | |
| 6548 | |
| 6549 //static int x; assert(++x < 10); | |
| 6550 | |
| 6551 if (type) | |
| 6552 return this; | |
| 6553 UnaExp::semantic(sc); | |
| 6554 if (e1->type) // if not a tuple | |
| 6555 { | |
| 6556 e1 = resolveProperties(sc, e1); | |
| 6557 to = to->semantic(loc, sc); | |
| 6558 | |
| 6559 e = op_overload(sc); | |
| 6560 if (e) | |
| 6561 { | |
| 6562 return e->implicitCastTo(sc, to); | |
| 6563 } | |
| 6564 | |
| 6565 Type *tob = to->toBasetype(); | |
| 6566 if (tob->ty == Tstruct && | |
| 6567 !tob->equals(e1->type->toBasetype()) && | |
| 6568 ((TypeStruct *)to)->sym->search(0, Id::call, 0) | |
| 6569 ) | |
| 6570 { | |
| 6571 /* Look to replace: | |
| 6572 * cast(S)t | |
| 6573 * with: | |
| 6574 * S(t) | |
| 6575 */ | |
| 6576 | |
| 6577 // Rewrite as to.call(e1) | |
| 6578 e = new TypeExp(loc, to); | |
| 6579 e = new DotIdExp(loc, e, Id::call); | |
| 6580 e = new CallExp(loc, e, e1); | |
| 6581 e = e->semantic(sc); | |
| 6582 return e; | |
| 6583 } | |
| 6584 } | |
| 6585 e = e1->castTo(sc, to); | |
| 6586 return e; | |
| 6587 } | |
| 6588 | |
| 6589 int CastExp::checkSideEffect(int flag) | |
| 6590 { | |
| 6591 /* if not: | |
| 6592 * cast(void) | |
| 6593 * cast(classtype)func() | |
| 6594 */ | |
| 6595 if (!to->equals(Type::tvoid) && | |
| 6596 !(to->ty == Tclass && e1->op == TOKcall && e1->type->ty == Tclass)) | |
| 6597 return Expression::checkSideEffect(flag); | |
| 6598 return 1; | |
| 6599 } | |
| 6600 | |
| 6601 void CastExp::checkEscape() | |
| 6602 { Type *tb = type->toBasetype(); | |
| 6603 if (tb->ty == Tarray && e1->op == TOKvar && | |
| 6604 e1->type->toBasetype()->ty == Tsarray) | |
| 6605 { VarExp *ve = (VarExp *)e1; | |
| 6606 VarDeclaration *v = ve->var->isVarDeclaration(); | |
| 6607 if (v) | |
| 6608 { | |
| 6609 if (!v->isDataseg() && !v->isParameter()) | |
| 6610 error("escaping reference to local %s", v->toChars()); | |
| 6611 } | |
| 6612 } | |
| 6613 } | |
| 6614 | |
| 6615 void CastExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6616 { | |
| 6617 buf->writestring("cast("); | |
| 6618 to->toCBuffer(buf, NULL, hgs); | |
| 6619 buf->writeByte(')'); | |
| 6620 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6621 } | |
| 6622 | |
| 6623 | |
| 6624 /************************************************************/ | |
| 6625 | |
| 6626 SliceExp::SliceExp(Loc loc, Expression *e1, Expression *lwr, Expression *upr) | |
| 6627 : UnaExp(loc, TOKslice, sizeof(SliceExp), e1) | |
| 6628 { | |
| 6629 this->upr = upr; | |
| 6630 this->lwr = lwr; | |
| 6631 lengthVar = NULL; | |
| 6632 } | |
| 6633 | |
| 6634 Expression *SliceExp::syntaxCopy() | |
| 6635 { | |
| 6636 Expression *lwr = NULL; | |
| 6637 if (this->lwr) | |
| 6638 lwr = this->lwr->syntaxCopy(); | |
| 6639 | |
| 6640 Expression *upr = NULL; | |
| 6641 if (this->upr) | |
| 6642 upr = this->upr->syntaxCopy(); | |
| 6643 | |
| 6644 return new SliceExp(loc, e1->syntaxCopy(), lwr, upr); | |
| 6645 } | |
| 6646 | |
| 6647 Expression *SliceExp::semantic(Scope *sc) | |
| 6648 { Expression *e; | |
| 6649 AggregateDeclaration *ad; | |
| 6650 //FuncDeclaration *fd; | |
| 6651 ScopeDsymbol *sym; | |
| 6652 | |
| 6653 #if LOGSEMANTIC | |
| 6654 printf("SliceExp::semantic('%s')\n", toChars()); | |
| 6655 #endif | |
| 6656 if (type) | |
| 6657 return this; | |
| 6658 | |
| 6659 UnaExp::semantic(sc); | |
| 6660 e1 = resolveProperties(sc, e1); | |
| 6661 | |
| 6662 e = this; | |
| 6663 | |
| 6664 Type *t = e1->type->toBasetype(); | |
| 6665 if (t->ty == Tpointer) | |
| 6666 { | |
| 6667 if (!lwr || !upr) | |
| 6668 error("need upper and lower bound to slice pointer"); | |
| 6669 } | |
| 6670 else if (t->ty == Tarray) | |
| 6671 { | |
| 6672 } | |
| 6673 else if (t->ty == Tsarray) | |
| 6674 { | |
| 6675 } | |
| 6676 else if (t->ty == Tclass) | |
| 6677 { | |
| 6678 ad = ((TypeClass *)t)->sym; | |
| 6679 goto L1; | |
| 6680 } | |
| 6681 else if (t->ty == Tstruct) | |
| 6682 { | |
| 6683 ad = ((TypeStruct *)t)->sym; | |
| 6684 | |
| 6685 L1: | |
| 6686 if (search_function(ad, Id::slice)) | |
| 6687 { | |
| 6688 // Rewrite as e1.slice(lwr, upr) | |
| 6689 e = new DotIdExp(loc, e1, Id::slice); | |
| 6690 | |
| 6691 if (lwr) | |
| 6692 { | |
| 6693 assert(upr); | |
| 6694 e = new CallExp(loc, e, lwr, upr); | |
| 6695 } | |
| 6696 else | |
| 6697 { assert(!upr); | |
| 6698 e = new CallExp(loc, e); | |
| 6699 } | |
| 6700 e = e->semantic(sc); | |
| 6701 return e; | |
| 6702 } | |
| 6703 goto Lerror; | |
| 6704 } | |
| 6705 else if (t->ty == Ttuple) | |
| 6706 { | |
| 6707 if (!lwr && !upr) | |
| 6708 return e1; | |
| 6709 if (!lwr || !upr) | |
| 6710 { error("need upper and lower bound to slice tuple"); | |
| 6711 goto Lerror; | |
| 6712 } | |
| 6713 } | |
| 6714 else | |
| 6715 goto Lerror; | |
| 6716 | |
| 6717 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 6718 { | |
| 6719 sym = new ArrayScopeSymbol(this); | |
| 6720 sym->loc = loc; | |
| 6721 sym->parent = sc->scopesym; | |
| 6722 sc = sc->push(sym); | |
| 6723 } | |
| 6724 | |
| 6725 if (lwr) | |
| 6726 { lwr = lwr->semantic(sc); | |
| 6727 lwr = resolveProperties(sc, lwr); | |
| 6728 lwr = lwr->implicitCastTo(sc, Type::tsize_t); | |
| 6729 } | |
| 6730 if (upr) | |
| 6731 { upr = upr->semantic(sc); | |
| 6732 upr = resolveProperties(sc, upr); | |
| 6733 upr = upr->implicitCastTo(sc, Type::tsize_t); | |
| 6734 } | |
| 6735 | |
| 6736 if (t->ty == Tsarray || t->ty == Tarray || t->ty == Ttuple) | |
| 6737 sc->pop(); | |
| 6738 | |
| 6739 if (t->ty == Ttuple) | |
| 6740 { | |
| 6741 lwr = lwr->optimize(WANTvalue); | |
| 6742 upr = upr->optimize(WANTvalue); | |
| 6743 uinteger_t i1 = lwr->toUInteger(); | |
| 6744 uinteger_t i2 = upr->toUInteger(); | |
| 6745 | |
| 6746 size_t length; | |
| 6747 TupleExp *te; | |
| 6748 TypeTuple *tup; | |
| 6749 | |
| 6750 if (e1->op == TOKtuple) // slicing an expression tuple | |
| 6751 { te = (TupleExp *)e1; | |
| 6752 length = te->exps->dim; | |
| 6753 } | |
| 6754 else if (e1->op == TOKtype) // slicing a type tuple | |
| 6755 { tup = (TypeTuple *)t; | |
| 6756 length = Argument::dim(tup->arguments); | |
| 6757 } | |
| 6758 else | |
| 6759 assert(0); | |
| 6760 | |
| 6761 if (i1 <= i2 && i2 <= length) | |
| 6762 { size_t j1 = (size_t) i1; | |
| 6763 size_t j2 = (size_t) i2; | |
| 6764 | |
| 6765 if (e1->op == TOKtuple) | |
| 6766 { Expressions *exps = new Expressions; | |
| 6767 exps->setDim(j2 - j1); | |
| 6768 for (size_t i = 0; i < j2 - j1; i++) | |
| 6769 { Expression *e = (Expression *)te->exps->data[j1 + i]; | |
| 6770 exps->data[i] = (void *)e; | |
| 6771 } | |
| 6772 e = new TupleExp(loc, exps); | |
| 6773 } | |
| 6774 else | |
| 6775 { Arguments *args = new Arguments; | |
| 6776 args->reserve(j2 - j1); | |
| 6777 for (size_t i = j1; i < j2; i++) | |
| 6778 { Argument *arg = Argument::getNth(tup->arguments, i); | |
| 6779 args->push(arg); | |
| 6780 } | |
| 6781 e = new TypeExp(e1->loc, new TypeTuple(args)); | |
| 6782 } | |
| 6783 e = e->semantic(sc); | |
| 6784 } | |
| 6785 else | |
| 6786 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
6787 error("string slice [%llu .. %llu] is out of bounds", i1, i2); |
| 159 | 6788 e = e1; |
| 6789 } | |
| 6790 return e; | |
| 6791 } | |
| 6792 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
6793 type = t->nextOf()->arrayOf(); |
| 159 | 6794 return e; |
| 6795 | |
| 6796 Lerror: | |
| 6797 char *s; | |
| 6798 if (t->ty == Tvoid) | |
| 6799 s = e1->toChars(); | |
| 6800 else | |
| 6801 s = t->toChars(); | |
| 6802 error("%s cannot be sliced with []", s); | |
| 6803 type = Type::terror; | |
| 6804 return e; | |
| 6805 } | |
| 6806 | |
| 6807 void SliceExp::checkEscape() | |
| 6808 { | |
| 6809 e1->checkEscape(); | |
| 6810 } | |
| 6811 | |
| 6812 Expression *SliceExp::toLvalue(Scope *sc, Expression *e) | |
| 6813 { | |
| 6814 return this; | |
| 6815 } | |
| 6816 | |
| 6817 Expression *SliceExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 6818 { | |
| 6819 error("slice expression %s is not a modifiable lvalue", toChars()); | |
| 6820 return this; | |
| 6821 } | |
| 6822 | |
| 6823 void SliceExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6824 { | |
| 6825 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 6826 buf->writeByte('['); | |
| 6827 if (upr || lwr) | |
| 6828 { | |
| 6829 if (lwr) | |
| 6830 expToCBuffer(buf, hgs, lwr, PREC_assign); | |
| 6831 else | |
| 6832 buf->writeByte('0'); | |
| 6833 buf->writestring(".."); | |
| 6834 if (upr) | |
| 6835 expToCBuffer(buf, hgs, upr, PREC_assign); | |
| 6836 else | |
| 6837 buf->writestring("length"); // BUG: should be array.length | |
| 6838 } | |
| 6839 buf->writeByte(']'); | |
| 6840 } | |
| 6841 | |
| 6842 /********************** ArrayLength **************************************/ | |
| 6843 | |
| 6844 ArrayLengthExp::ArrayLengthExp(Loc loc, Expression *e1) | |
| 6845 : UnaExp(loc, TOKarraylength, sizeof(ArrayLengthExp), e1) | |
| 6846 { | |
| 6847 } | |
| 6848 | |
| 6849 Expression *ArrayLengthExp::semantic(Scope *sc) | |
| 6850 { Expression *e; | |
| 6851 | |
| 6852 #if LOGSEMANTIC | |
| 6853 printf("ArrayLengthExp::semantic('%s')\n", toChars()); | |
| 6854 #endif | |
| 6855 if (!type) | |
| 6856 { | |
| 6857 UnaExp::semantic(sc); | |
| 6858 e1 = resolveProperties(sc, e1); | |
| 6859 | |
| 6860 type = Type::tsize_t; | |
| 6861 } | |
| 6862 return this; | |
| 6863 } | |
| 6864 | |
| 6865 void ArrayLengthExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6866 { | |
| 6867 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6868 buf->writestring(".length"); | |
| 6869 } | |
| 6870 | |
| 6871 /*********************** ArrayExp *************************************/ | |
| 6872 | |
| 6873 // e1 [ i1, i2, i3, ... ] | |
| 6874 | |
| 6875 ArrayExp::ArrayExp(Loc loc, Expression *e1, Expressions *args) | |
| 6876 : UnaExp(loc, TOKarray, sizeof(ArrayExp), e1) | |
| 6877 { | |
| 6878 arguments = args; | |
| 6879 } | |
| 6880 | |
| 6881 Expression *ArrayExp::syntaxCopy() | |
| 6882 { | |
| 6883 return new ArrayExp(loc, e1->syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 6884 } | |
| 6885 | |
| 6886 Expression *ArrayExp::semantic(Scope *sc) | |
| 6887 { Expression *e; | |
| 6888 Type *t1; | |
| 6889 | |
| 6890 #if LOGSEMANTIC | |
| 6891 printf("ArrayExp::semantic('%s')\n", toChars()); | |
| 6892 #endif | |
| 6893 UnaExp::semantic(sc); | |
| 6894 e1 = resolveProperties(sc, e1); | |
| 6895 | |
| 6896 t1 = e1->type->toBasetype(); | |
| 6897 if (t1->ty != Tclass && t1->ty != Tstruct) | |
| 6898 { // Convert to IndexExp | |
| 6899 if (arguments->dim != 1) | |
| 6900 error("only one index allowed to index %s", t1->toChars()); | |
| 6901 e = new IndexExp(loc, e1, (Expression *)arguments->data[0]); | |
| 6902 return e->semantic(sc); | |
| 6903 } | |
| 6904 | |
| 6905 // Run semantic() on each argument | |
| 6906 for (size_t i = 0; i < arguments->dim; i++) | |
| 6907 { e = (Expression *)arguments->data[i]; | |
| 6908 | |
| 6909 e = e->semantic(sc); | |
| 6910 if (!e->type) | |
| 6911 error("%s has no value", e->toChars()); | |
| 6912 arguments->data[i] = (void *)e; | |
| 6913 } | |
| 6914 | |
| 6915 expandTuples(arguments); | |
| 6916 assert(arguments && arguments->dim); | |
| 6917 | |
| 6918 e = op_overload(sc); | |
| 6919 if (!e) | |
| 6920 { error("no [] operator overload for type %s", e1->type->toChars()); | |
| 6921 e = e1; | |
| 6922 } | |
| 6923 return e; | |
| 6924 } | |
| 6925 | |
| 6926 | |
| 6927 Expression *ArrayExp::toLvalue(Scope *sc, Expression *e) | |
| 6928 { | |
| 6929 if (type && type->toBasetype()->ty == Tvoid) | |
| 6930 error("voids have no value"); | |
| 6931 return this; | |
| 6932 } | |
| 6933 | |
| 6934 | |
| 6935 void ArrayExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 6936 { int i; | |
| 6937 | |
| 6938 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 6939 buf->writeByte('['); | |
| 6940 argsToCBuffer(buf, arguments, hgs); | |
| 6941 buf->writeByte(']'); | |
| 6942 } | |
| 6943 | |
| 6944 /************************* DotExp ***********************************/ | |
| 6945 | |
| 6946 DotExp::DotExp(Loc loc, Expression *e1, Expression *e2) | |
| 6947 : BinExp(loc, TOKdotexp, sizeof(DotExp), e1, e2) | |
| 6948 { | |
| 6949 } | |
| 6950 | |
| 6951 Expression *DotExp::semantic(Scope *sc) | |
| 6952 { | |
| 6953 #if LOGSEMANTIC | |
| 6954 printf("DotExp::semantic('%s')\n", toChars()); | |
| 6955 if (type) printf("\ttype = %s\n", type->toChars()); | |
| 6956 #endif | |
| 6957 e1 = e1->semantic(sc); | |
| 6958 e2 = e2->semantic(sc); | |
| 6959 if (e2->op == TOKimport) | |
| 6960 { | |
| 6961 ScopeExp *se = (ScopeExp *)e2; | |
| 6962 TemplateDeclaration *td = se->sds->isTemplateDeclaration(); | |
| 6963 if (td) | |
| 6964 { Expression *e = new DotTemplateExp(loc, e1, td); | |
| 6965 e = e->semantic(sc); | |
| 6966 return e; | |
| 6967 } | |
| 6968 } | |
| 6969 if (!type) | |
| 6970 type = e2->type; | |
| 6971 return this; | |
| 6972 } | |
| 6973 | |
| 6974 | |
| 6975 /************************* CommaExp ***********************************/ | |
| 6976 | |
| 6977 CommaExp::CommaExp(Loc loc, Expression *e1, Expression *e2) | |
| 6978 : BinExp(loc, TOKcomma, sizeof(CommaExp), e1, e2) | |
| 6979 { | |
| 6980 } | |
| 6981 | |
| 6982 Expression *CommaExp::semantic(Scope *sc) | |
| 6983 { | |
| 6984 if (!type) | |
| 6985 { BinExp::semanticp(sc); | |
| 6986 type = e2->type; | |
| 6987 } | |
| 6988 return this; | |
| 6989 } | |
| 6990 | |
| 6991 void CommaExp::checkEscape() | |
| 6992 { | |
| 6993 e2->checkEscape(); | |
| 6994 } | |
| 6995 | |
| 6996 Expression *CommaExp::toLvalue(Scope *sc, Expression *e) | |
| 6997 { | |
| 6998 e2 = e2->toLvalue(sc, NULL); | |
| 6999 return this; | |
| 7000 } | |
| 7001 | |
| 7002 Expression *CommaExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7003 { | |
| 7004 e2 = e2->modifiableLvalue(sc, e); | |
| 7005 return this; | |
| 7006 } | |
| 7007 | |
| 7008 int CommaExp::isBool(int result) | |
| 7009 { | |
| 7010 return e2->isBool(result); | |
| 7011 } | |
| 7012 | |
| 7013 int CommaExp::checkSideEffect(int flag) | |
| 7014 { | |
| 7015 if (flag == 2) | |
| 7016 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 7017 else | |
| 7018 { | |
| 7019 // Don't check e1 until we cast(void) the a,b code generation | |
| 7020 return e2->checkSideEffect(flag); | |
| 7021 } | |
| 7022 } | |
| 7023 | |
| 7024 /************************** IndexExp **********************************/ | |
| 7025 | |
| 7026 // e1 [ e2 ] | |
| 7027 | |
| 7028 IndexExp::IndexExp(Loc loc, Expression *e1, Expression *e2) | |
| 7029 : BinExp(loc, TOKindex, sizeof(IndexExp), e1, e2) | |
| 7030 { | |
| 7031 //printf("IndexExp::IndexExp('%s')\n", toChars()); | |
| 7032 lengthVar = NULL; | |
| 7033 modifiable = 0; // assume it is an rvalue | |
| 7034 } | |
| 7035 | |
| 7036 Expression *IndexExp::semantic(Scope *sc) | |
| 7037 { Expression *e; | |
| 7038 BinExp *b; | |
| 7039 UnaExp *u; | |
| 7040 Type *t1; | |
| 7041 ScopeDsymbol *sym; | |
| 7042 | |
| 7043 #if LOGSEMANTIC | |
| 7044 printf("IndexExp::semantic('%s')\n", toChars()); | |
| 7045 #endif | |
| 7046 if (type) | |
| 7047 return this; | |
| 7048 if (!e1->type) | |
| 7049 e1 = e1->semantic(sc); | |
| 7050 assert(e1->type); // semantic() should already be run on it | |
| 7051 e = this; | |
| 7052 | |
| 7053 // Note that unlike C we do not implement the int[ptr] | |
| 7054 | |
| 7055 t1 = e1->type->toBasetype(); | |
| 7056 | |
| 7057 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7058 { // Create scope for 'length' variable | |
| 7059 sym = new ArrayScopeSymbol(this); | |
| 7060 sym->loc = loc; | |
| 7061 sym->parent = sc->scopesym; | |
| 7062 sc = sc->push(sym); | |
| 7063 } | |
| 7064 | |
| 7065 e2 = e2->semantic(sc); | |
| 7066 if (!e2->type) | |
| 7067 { | |
| 7068 error("%s has no value", e2->toChars()); | |
| 7069 e2->type = Type::terror; | |
| 7070 } | |
| 7071 e2 = resolveProperties(sc, e2); | |
| 7072 | |
| 7073 if (t1->ty == Tsarray || t1->ty == Tarray || t1->ty == Ttuple) | |
| 7074 sc = sc->pop(); | |
| 7075 | |
| 7076 switch (t1->ty) | |
| 7077 { | |
| 7078 case Tpointer: | |
| 7079 case Tarray: | |
| 7080 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7081 e->type = t1->next; | |
| 7082 break; | |
| 7083 | |
| 7084 case Tsarray: | |
| 7085 { | |
| 7086 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7087 | |
| 7088 TypeSArray *tsa = (TypeSArray *)t1; | |
| 7089 | |
| 7090 #if 0 // Don't do now, because it might be short-circuit evaluated | |
| 7091 // Do compile time array bounds checking if possible | |
| 7092 e2 = e2->optimize(WANTvalue); | |
| 7093 if (e2->op == TOKint64) | |
| 7094 { | |
| 7095 integer_t index = e2->toInteger(); | |
| 7096 integer_t length = tsa->dim->toInteger(); | |
| 7097 if (index < 0 || index >= length) | |
| 7098 error("array index [%lld] is outside array bounds [0 .. %lld]", | |
| 7099 index, length); | |
| 7100 } | |
| 7101 #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
|
7102 e->type = t1->nextOf(); |
| 159 | 7103 break; |
| 7104 } | |
| 7105 | |
| 7106 case Taarray: | |
| 7107 { TypeAArray *taa = (TypeAArray *)t1; | |
| 7108 | |
| 7109 e2 = e2->implicitCastTo(sc, taa->index); // type checking | |
| 7110 e2 = e2->implicitCastTo(sc, taa->key); // actual argument type | |
| 7111 type = taa->next; | |
| 7112 break; | |
| 7113 } | |
| 7114 | |
| 7115 case Ttuple: | |
| 7116 { | |
| 7117 e2 = e2->implicitCastTo(sc, Type::tsize_t); | |
| 7118 e2 = e2->optimize(WANTvalue); | |
| 7119 uinteger_t index = e2->toUInteger(); | |
| 7120 size_t length; | |
| 7121 TupleExp *te; | |
| 7122 TypeTuple *tup; | |
| 7123 | |
| 7124 if (e1->op == TOKtuple) | |
| 7125 { te = (TupleExp *)e1; | |
| 7126 length = te->exps->dim; | |
| 7127 } | |
| 7128 else if (e1->op == TOKtype) | |
| 7129 { | |
| 7130 tup = (TypeTuple *)t1; | |
| 7131 length = Argument::dim(tup->arguments); | |
| 7132 } | |
| 7133 else | |
| 7134 assert(0); | |
| 7135 | |
| 7136 if (index < length) | |
| 7137 { | |
| 7138 | |
| 7139 if (e1->op == TOKtuple) | |
| 7140 e = (Expression *)te->exps->data[(size_t)index]; | |
| 7141 else | |
| 7142 e = new TypeExp(e1->loc, Argument::getNth(tup->arguments, (size_t)index)->type); | |
| 7143 } | |
| 7144 else | |
| 7145 { | |
|
305
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7146 error("array index [%llu] is outside array bounds [0 .. %"PRIuSIZE"]", |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7147 index, length); |
|
2b72433d5c8c
[svn r326] Fixed a bunch of issues with printf's that MinGW32 did not support.
lindquist
parents:
285
diff
changeset
|
7148 e = e1; |
| 159 | 7149 } |
| 7150 break; | |
| 7151 } | |
| 7152 | |
| 7153 default: | |
| 7154 error("%s must be an array or pointer type, not %s", | |
| 7155 e1->toChars(), e1->type->toChars()); | |
| 7156 type = Type::tint32; | |
| 7157 break; | |
| 7158 } | |
| 7159 return e; | |
| 7160 } | |
| 7161 | |
| 7162 Expression *IndexExp::toLvalue(Scope *sc, Expression *e) | |
| 7163 { | |
| 7164 // if (type && type->toBasetype()->ty == Tvoid) | |
| 7165 // error("voids have no value"); | |
| 7166 return this; | |
| 7167 } | |
| 7168 | |
| 7169 Expression *IndexExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 7170 { | |
| 7171 //printf("IndexExp::modifiableLvalue(%s)\n", toChars()); | |
| 7172 modifiable = 1; | |
| 7173 if (e1->op == TOKstring) | |
| 7174 error("string literals are immutable"); | |
| 7175 if (e1->type->toBasetype()->ty == Taarray) | |
| 7176 e1 = e1->modifiableLvalue(sc, e1); | |
| 7177 return toLvalue(sc, e); | |
| 7178 } | |
| 7179 | |
| 7180 void IndexExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7181 { | |
| 7182 expToCBuffer(buf, hgs, e1, PREC_primary); | |
| 7183 buf->writeByte('['); | |
| 7184 expToCBuffer(buf, hgs, e2, PREC_assign); | |
| 7185 buf->writeByte(']'); | |
| 7186 } | |
| 7187 | |
| 7188 | |
| 7189 /************************* PostExp ***********************************/ | |
| 7190 | |
| 7191 PostExp::PostExp(enum TOK op, Loc loc, Expression *e) | |
| 7192 : BinExp(loc, op, sizeof(PostExp), e, | |
| 7193 new IntegerExp(loc, 1, Type::tint32)) | |
| 7194 { | |
| 7195 } | |
| 7196 | |
| 7197 Expression *PostExp::semantic(Scope *sc) | |
| 7198 { Expression *e = this; | |
| 7199 | |
| 7200 if (!type) | |
| 7201 { | |
| 7202 BinExp::semantic(sc); | |
| 7203 e2 = resolveProperties(sc, e2); | |
| 7204 | |
| 7205 e = op_overload(sc); | |
| 7206 if (e) | |
| 7207 return e; | |
| 7208 | |
| 7209 e = this; | |
| 7210 e1 = e1->modifiableLvalue(sc, e1); | |
| 7211 e1->checkScalar(); | |
| 7212 e1->checkNoBool(); | |
| 7213 if (e1->type->ty == Tpointer) | |
| 7214 e = scaleFactor(sc); | |
| 7215 else | |
| 7216 e2 = e2->castTo(sc, e1->type); | |
| 7217 e->type = e1->type; | |
| 7218 } | |
| 7219 return e; | |
| 7220 } | |
| 7221 | |
| 7222 void PostExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 7223 { | |
| 7224 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 7225 buf->writestring((op == TOKplusplus) ? (char *)"++" : (char *)"--"); | |
| 7226 } | |
| 7227 | |
| 7228 /************************************************************/ | |
| 7229 | |
| 7230 /* Can be TOKconstruct too */ | |
| 7231 | |
| 7232 AssignExp::AssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7233 : BinExp(loc, TOKassign, sizeof(AssignExp), e1, e2) | |
| 7234 { | |
| 7235 ismemset = 0; | |
| 7236 } | |
| 7237 | |
| 7238 Expression *AssignExp::semantic(Scope *sc) | |
| 7239 { Type *t1; | |
| 7240 Expression *e1old = e1; | |
| 7241 | |
| 7242 #if LOGSEMANTIC | |
| 7243 printf("AssignExp::semantic('%s')\n", toChars()); | |
| 7244 #endif | |
| 7245 //printf("e1->op = %d, '%s'\n", e1->op, Token::toChars(e1->op)); | |
| 7246 | |
| 7247 /* Look for operator overloading of a[i]=value. | |
| 7248 * Do it before semantic() otherwise the a[i] will have been | |
| 7249 * converted to a.opIndex() already. | |
| 7250 */ | |
| 7251 if (e1->op == TOKarray) | |
| 7252 { Type *t1; | |
| 7253 ArrayExp *ae = (ArrayExp *)e1; | |
| 7254 AggregateDeclaration *ad; | |
| 7255 Identifier *id = Id::index; | |
| 7256 | |
| 7257 ae->e1 = ae->e1->semantic(sc); | |
| 7258 t1 = ae->e1->type->toBasetype(); | |
| 7259 if (t1->ty == Tstruct) | |
| 7260 { | |
| 7261 ad = ((TypeStruct *)t1)->sym; | |
| 7262 goto L1; | |
| 7263 } | |
| 7264 else if (t1->ty == Tclass) | |
| 7265 { | |
| 7266 ad = ((TypeClass *)t1)->sym; | |
| 7267 L1: | |
| 7268 // Rewrite (a[i] = value) to (a.opIndexAssign(value, i)) | |
| 7269 if (search_function(ad, Id::indexass)) | |
| 7270 { Expression *e = new DotIdExp(loc, ae->e1, Id::indexass); | |
| 7271 Expressions *a = (Expressions *)ae->arguments->copy(); | |
| 7272 | |
| 7273 a->insert(0, e2); | |
| 7274 e = new CallExp(loc, e, a); | |
| 7275 e = e->semantic(sc); | |
| 7276 return e; | |
| 7277 } | |
| 7278 else | |
| 7279 { | |
| 7280 // Rewrite (a[i] = value) to (a.opIndex(i, value)) | |
| 7281 if (search_function(ad, id)) | |
| 7282 { Expression *e = new DotIdExp(loc, ae->e1, id); | |
| 7283 | |
| 7284 if (1 || !global.params.useDeprecated) | |
| 7285 error("operator [] assignment overload with opIndex(i, value) illegal, use opIndexAssign(value, i)"); | |
| 7286 | |
| 7287 e = new CallExp(loc, e, (Expression *)ae->arguments->data[0], e2); | |
| 7288 e = e->semantic(sc); | |
| 7289 return e; | |
| 7290 } | |
| 7291 } | |
| 7292 } | |
| 7293 } | |
| 7294 /* Look for operator overloading of a[i..j]=value. | |
| 7295 * Do it before semantic() otherwise the a[i..j] will have been | |
| 7296 * converted to a.opSlice() already. | |
| 7297 */ | |
| 7298 if (e1->op == TOKslice) | |
| 7299 { Type *t1; | |
| 7300 SliceExp *ae = (SliceExp *)e1; | |
| 7301 AggregateDeclaration *ad; | |
| 7302 Identifier *id = Id::index; | |
| 7303 | |
| 7304 ae->e1 = ae->e1->semantic(sc); | |
| 7305 ae->e1 = resolveProperties(sc, ae->e1); | |
| 7306 t1 = ae->e1->type->toBasetype(); | |
| 7307 if (t1->ty == Tstruct) | |
| 7308 { | |
| 7309 ad = ((TypeStruct *)t1)->sym; | |
| 7310 goto L2; | |
| 7311 } | |
| 7312 else if (t1->ty == Tclass) | |
| 7313 { | |
| 7314 ad = ((TypeClass *)t1)->sym; | |
| 7315 L2: | |
| 7316 // Rewrite (a[i..j] = value) to (a.opIndexAssign(value, i, j)) | |
| 7317 if (search_function(ad, Id::sliceass)) | |
| 7318 { Expression *e = new DotIdExp(loc, ae->e1, Id::sliceass); | |
| 7319 Expressions *a = new Expressions(); | |
| 7320 | |
| 7321 a->push(e2); | |
| 7322 if (ae->lwr) | |
| 7323 { a->push(ae->lwr); | |
| 7324 assert(ae->upr); | |
| 7325 a->push(ae->upr); | |
| 7326 } | |
| 7327 else | |
| 7328 assert(!ae->upr); | |
| 7329 e = new CallExp(loc, e, a); | |
| 7330 e = e->semantic(sc); | |
| 7331 return e; | |
| 7332 } | |
| 7333 } | |
| 7334 } | |
| 7335 | |
| 7336 BinExp::semantic(sc); | |
| 7337 e2 = resolveProperties(sc, e2); | |
| 7338 assert(e1->type); | |
| 7339 | |
| 7340 /* Rewrite tuple assignment as a tuple of assignments. | |
| 7341 */ | |
| 7342 if (e1->op == TOKtuple && e2->op == TOKtuple) | |
| 7343 { TupleExp *tup1 = (TupleExp *)e1; | |
| 7344 TupleExp *tup2 = (TupleExp *)e2; | |
| 7345 size_t dim = tup1->exps->dim; | |
| 7346 if (dim != tup2->exps->dim) | |
| 7347 { | |
| 7348 error("mismatched tuple lengths, %d and %d", (int)dim, (int)tup2->exps->dim); | |
| 7349 } | |
| 7350 else | |
| 7351 { Expressions *exps = new Expressions; | |
| 7352 exps->setDim(dim); | |
| 7353 | |
| 7354 for (int i = 0; i < dim; i++) | |
| 7355 { Expression *ex1 = (Expression *)tup1->exps->data[i]; | |
| 7356 Expression *ex2 = (Expression *)tup2->exps->data[i]; | |
| 7357 exps->data[i] = (void *) new AssignExp(loc, ex1, ex2); | |
| 7358 } | |
| 7359 Expression *e = new TupleExp(loc, exps); | |
| 7360 e = e->semantic(sc); | |
| 7361 return e; | |
| 7362 } | |
| 7363 } | |
| 7364 | |
| 7365 t1 = e1->type->toBasetype(); | |
| 7366 | |
| 7367 if (t1->ty == Tfunction) | |
| 7368 { // Rewrite f=value to f(value) | |
| 7369 Expression *e; | |
| 7370 | |
| 7371 e = new CallExp(loc, e1, e2); | |
| 7372 e = e->semantic(sc); | |
| 7373 return e; | |
| 7374 } | |
| 7375 | |
| 7376 /* If it is an assignment from a 'foreign' type, | |
| 7377 * check for operator overloading. | |
| 7378 */ | |
| 7379 if (t1->ty == Tclass || t1->ty == Tstruct) | |
| 7380 { | |
| 7381 if (!e2->type->implicitConvTo(e1->type)) | |
| 7382 { | |
| 7383 Expression *e = op_overload(sc); | |
| 7384 if (e) | |
| 7385 return e; | |
| 7386 } | |
| 7387 } | |
| 7388 | |
| 7389 e2->rvalue(); | |
| 7390 | |
| 7391 if (e1->op == TOKarraylength) | |
| 7392 { | |
| 7393 // e1 is not an lvalue, but we let code generator handle it | |
| 7394 ArrayLengthExp *ale = (ArrayLengthExp *)e1; | |
| 7395 | |
| 7396 ale->e1 = ale->e1->modifiableLvalue(sc, e1); | |
| 7397 } | |
| 7398 else if (e1->op == TOKslice) | |
| 7399 ; | |
| 7400 else | |
| 7401 { // Try to do a decent error message with the expression | |
| 7402 // before it got constant folded | |
| 7403 e1 = e1->modifiableLvalue(sc, e1old); | |
| 7404 } | |
| 7405 | |
| 7406 if (e1->op == TOKslice && | |
| 7407 t1->nextOf() && | |
| 7408 e2->implicitConvTo(t1->nextOf()) | |
| 7409 // !(t1->nextOf()->equals(e2->type->nextOf())) | |
| 7410 ) | |
| 7411 { // memset | |
| 7412 ismemset = 1; // make it easy for back end to tell what this is | |
| 7413 e2 = e2->implicitCastTo(sc, t1->next); | |
| 7414 } | |
| 7415 else if (t1->ty == Tsarray) | |
| 7416 { | |
| 7417 error("cannot assign to static array %s", e1->toChars()); | |
| 7418 } | |
| 7419 else | |
| 7420 { | |
| 7421 e2 = e2->implicitCastTo(sc, e1->type); | |
| 7422 } | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7423 |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7424 /* 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
|
7425 */ |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7426 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
|
7427 (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
|
7428 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
|
7429 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
|
7430 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
|
7431 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
|
7432 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7433 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
|
7434 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
|
7435 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7436 |
| 159 | 7437 type = e1->type; |
| 7438 assert(type); | |
| 7439 return this; | |
| 7440 } | |
| 7441 | |
| 7442 Expression *AssignExp::checkToBoolean() | |
| 7443 { | |
| 7444 // Things like: | |
| 7445 // if (a = b) ... | |
| 7446 // are usually mistakes. | |
| 7447 | |
| 7448 error("'=' does not give a boolean result"); | |
| 7449 return this; | |
| 7450 } | |
| 7451 | |
| 7452 /************************************************************/ | |
| 7453 | |
| 7454 AddAssignExp::AddAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7455 : BinExp(loc, TOKaddass, sizeof(AddAssignExp), e1, e2) | |
| 7456 { | |
| 7457 } | |
| 7458 | |
| 7459 Expression *AddAssignExp::semantic(Scope *sc) | |
| 7460 { Expression *e; | |
| 7461 | |
| 7462 if (type) | |
| 7463 return this; | |
| 7464 | |
| 7465 BinExp::semantic(sc); | |
| 7466 e2 = resolveProperties(sc, e2); | |
| 7467 | |
| 7468 e = op_overload(sc); | |
| 7469 if (e) | |
| 7470 return e; | |
| 7471 | |
| 7472 Type *tb1 = e1->type->toBasetype(); | |
| 7473 Type *tb2 = e2->type->toBasetype(); | |
| 7474 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7475 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
|
7476 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7477 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
|
7478 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
|
7479 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
|
7480 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7481 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7482 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7483 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
|
7484 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7485 |
| 159 | 7486 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && |
| 7487 (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
|
7488 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7489 ) |
| 7490 { | |
| 7491 type = e1->type; | |
| 7492 e = this; | |
| 7493 } | |
| 7494 else | |
| 7495 { | |
| 7496 e1->checkScalar(); | |
| 7497 e1->checkNoBool(); | |
| 7498 if (tb1->ty == Tpointer && tb2->isintegral()) | |
| 7499 e = scaleFactor(sc); | |
| 7500 else if (tb1->ty == Tbit || tb1->ty == Tbool) | |
| 7501 { | |
| 7502 #if 0 | |
| 7503 // Need to rethink this | |
| 7504 if (e1->op != TOKvar) | |
| 7505 { // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 7506 VarDeclaration *v; | |
| 7507 Expression *ea; | |
| 7508 Expression *ex; | |
| 7509 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7510 Identifier *id = Lexer::uniqueId("__name"); |
| 159 | 7511 |
| 7512 v = new VarDeclaration(loc, tb1->pointerTo(), id, NULL); | |
| 7513 v->semantic(sc); | |
| 7514 if (!sc->insert(v)) | |
| 7515 assert(0); | |
| 7516 v->parent = sc->func; | |
| 7517 | |
| 7518 ea = new AddrExp(loc, e1); | |
| 7519 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 7520 | |
| 7521 ex = new VarExp(loc, v); | |
| 7522 ex = new PtrExp(loc, ex); | |
| 7523 e = new AddExp(loc, ex, e2); | |
| 7524 e = new CastExp(loc, e, e1->type); | |
| 7525 e = new AssignExp(loc, ex->syntaxCopy(), e); | |
| 7526 | |
| 7527 e = new CommaExp(loc, ea, e); | |
| 7528 } | |
| 7529 else | |
| 7530 #endif | |
| 7531 { // Rewrite e1+=e2 to e1=e1+e2 | |
| 7532 // BUG: doesn't account for side effects in e1 | |
| 7533 // BUG: other assignment operators for bits aren't handled at all | |
| 7534 e = new AddExp(loc, e1, e2); | |
| 7535 e = new CastExp(loc, e, e1->type); | |
| 7536 e = new AssignExp(loc, e1->syntaxCopy(), e); | |
| 7537 } | |
| 7538 e = e->semantic(sc); | |
| 7539 } | |
| 7540 else | |
| 7541 { | |
| 7542 type = e1->type; | |
| 7543 typeCombine(sc); | |
| 7544 e1->checkArithmetic(); | |
| 7545 e2->checkArithmetic(); | |
| 7546 if (type->isreal() || type->isimaginary()) | |
| 7547 { | |
| 7548 assert(global.errors || e2->type->isfloating()); | |
| 7549 e2 = e2->castTo(sc, e1->type); | |
| 7550 } | |
| 7551 e = this; | |
| 7552 } | |
| 7553 } | |
| 7554 return e; | |
| 7555 } | |
| 7556 | |
| 7557 /************************************************************/ | |
| 7558 | |
| 7559 MinAssignExp::MinAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7560 : BinExp(loc, TOKminass, sizeof(MinAssignExp), e1, e2) | |
| 7561 { | |
| 7562 } | |
| 7563 | |
| 7564 Expression *MinAssignExp::semantic(Scope *sc) | |
| 7565 { Expression *e; | |
| 7566 | |
| 7567 if (type) | |
| 7568 return this; | |
| 7569 | |
| 7570 BinExp::semantic(sc); | |
| 7571 e2 = resolveProperties(sc, e2); | |
| 7572 | |
| 7573 e = op_overload(sc); | |
| 7574 if (e) | |
| 7575 return e; | |
| 7576 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7577 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
|
7578 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7579 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
|
7580 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
|
7581 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
|
7582 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7583 |
| 159 | 7584 e1 = e1->modifiableLvalue(sc, e1); |
| 7585 e1->checkScalar(); | |
| 7586 e1->checkNoBool(); | |
| 7587 if (e1->type->ty == Tpointer && e2->type->isintegral()) | |
| 7588 e = scaleFactor(sc); | |
| 7589 else | |
| 7590 { | |
| 7591 e1 = e1->checkArithmetic(); | |
| 7592 e2 = e2->checkArithmetic(); | |
| 7593 type = e1->type; | |
| 7594 typeCombine(sc); | |
| 7595 if (type->isreal() || type->isimaginary()) | |
| 7596 { | |
| 7597 assert(e2->type->isfloating()); | |
| 7598 e2 = e2->castTo(sc, e1->type); | |
| 7599 } | |
| 7600 e = this; | |
| 7601 } | |
| 7602 return e; | |
| 7603 } | |
| 7604 | |
| 7605 /************************************************************/ | |
| 7606 | |
| 7607 CatAssignExp::CatAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7608 : BinExp(loc, TOKcatass, sizeof(CatAssignExp), e1, e2) | |
| 7609 { | |
| 7610 } | |
| 7611 | |
| 7612 Expression *CatAssignExp::semantic(Scope *sc) | |
| 7613 { Expression *e; | |
| 7614 | |
| 7615 BinExp::semantic(sc); | |
| 7616 e2 = resolveProperties(sc, e2); | |
| 7617 | |
| 7618 e = op_overload(sc); | |
| 7619 if (e) | |
| 7620 return e; | |
| 7621 | |
| 7622 if (e1->op == TOKslice) | |
| 7623 { SliceExp *se = (SliceExp *)e1; | |
| 7624 | |
| 7625 if (se->e1->type->toBasetype()->ty == Tsarray) | |
| 7626 error("cannot append to static array %s", se->e1->type->toChars()); | |
| 7627 } | |
| 7628 | |
| 7629 e1 = e1->modifiableLvalue(sc, e1); | |
| 7630 | |
| 7631 Type *tb1 = e1->type->toBasetype(); | |
| 7632 Type *tb2 = e2->type->toBasetype(); | |
| 7633 | |
| 7634 e2->rvalue(); | |
| 7635 | |
| 7636 if ((tb1->ty == Tarray) && | |
| 7637 (tb2->ty == Tarray || tb2->ty == Tsarray) && | |
| 7638 e2->implicitConvTo(e1->type) | |
| 7639 //e1->type->next->equals(e2->type->next) | |
| 7640 ) | |
| 7641 { // Append array | |
| 7642 e2 = e2->castTo(sc, e1->type); | |
| 7643 type = e1->type; | |
| 7644 e = this; | |
| 7645 } | |
| 7646 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
|
7647 e2->implicitConvTo(tb1->nextOf()) |
| 159 | 7648 ) |
| 7649 { // 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
|
7650 e2 = e2->castTo(sc, tb1->nextOf()); |
| 159 | 7651 type = e1->type; |
| 7652 e = this; | |
| 7653 } | |
| 7654 else | |
| 7655 { | |
| 7656 error("cannot append type %s to type %s", tb2->toChars(), tb1->toChars()); | |
| 7657 type = Type::tint32; | |
| 7658 e = this; | |
| 7659 } | |
| 7660 return e; | |
| 7661 } | |
| 7662 | |
| 7663 /************************************************************/ | |
| 7664 | |
| 7665 MulAssignExp::MulAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7666 : BinExp(loc, TOKmulass, sizeof(MulAssignExp), e1, e2) | |
| 7667 { | |
| 7668 } | |
| 7669 | |
| 7670 Expression *MulAssignExp::semantic(Scope *sc) | |
| 7671 { Expression *e; | |
| 7672 | |
| 7673 BinExp::semantic(sc); | |
| 7674 e2 = resolveProperties(sc, e2); | |
| 7675 | |
| 7676 e = op_overload(sc); | |
| 7677 if (e) | |
| 7678 return e; | |
| 7679 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7680 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
|
7681 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7682 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
|
7683 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
|
7684 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
|
7685 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7686 |
| 159 | 7687 e1 = e1->modifiableLvalue(sc, e1); |
| 7688 e1->checkScalar(); | |
| 7689 e1->checkNoBool(); | |
| 7690 type = e1->type; | |
| 7691 typeCombine(sc); | |
| 7692 e1->checkArithmetic(); | |
| 7693 e2->checkArithmetic(); | |
| 7694 if (e2->type->isfloating()) | |
| 7695 { Type *t1; | |
| 7696 Type *t2; | |
| 7697 | |
| 7698 t1 = e1->type; | |
| 7699 t2 = e2->type; | |
| 7700 if (t1->isreal()) | |
| 7701 { | |
| 7702 if (t2->isimaginary() || t2->iscomplex()) | |
| 7703 { | |
| 7704 e2 = e2->castTo(sc, t1); | |
| 7705 } | |
| 7706 } | |
| 7707 else if (t1->isimaginary()) | |
| 7708 { | |
| 7709 if (t2->isimaginary() || t2->iscomplex()) | |
| 7710 { | |
| 7711 switch (t1->ty) | |
| 7712 { | |
| 7713 case Timaginary32: t2 = Type::tfloat32; break; | |
| 7714 case Timaginary64: t2 = Type::tfloat64; break; | |
| 7715 case Timaginary80: t2 = Type::tfloat80; break; | |
| 7716 default: | |
| 7717 assert(0); | |
| 7718 } | |
| 7719 e2 = e2->castTo(sc, t2); | |
| 7720 } | |
| 7721 } | |
| 7722 } | |
| 7723 return this; | |
| 7724 } | |
| 7725 | |
| 7726 /************************************************************/ | |
| 7727 | |
| 7728 DivAssignExp::DivAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7729 : BinExp(loc, TOKdivass, sizeof(DivAssignExp), e1, e2) | |
| 7730 { | |
| 7731 } | |
| 7732 | |
| 7733 Expression *DivAssignExp::semantic(Scope *sc) | |
| 7734 { Expression *e; | |
| 7735 | |
| 7736 BinExp::semantic(sc); | |
| 7737 e2 = resolveProperties(sc, e2); | |
| 7738 | |
| 7739 e = op_overload(sc); | |
| 7740 if (e) | |
| 7741 return e; | |
| 7742 | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7743 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
|
7744 { // T[] -= ... |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7745 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
|
7746 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
|
7747 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
|
7748 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
7749 |
| 159 | 7750 e1 = e1->modifiableLvalue(sc, e1); |
| 7751 e1->checkScalar(); | |
| 7752 e1->checkNoBool(); | |
| 7753 type = e1->type; | |
| 7754 typeCombine(sc); | |
| 7755 e1->checkArithmetic(); | |
| 7756 e2->checkArithmetic(); | |
| 7757 if (e2->type->isimaginary()) | |
| 7758 { Type *t1; | |
| 7759 Type *t2; | |
| 7760 | |
| 7761 t1 = e1->type; | |
| 7762 if (t1->isreal()) | |
| 7763 { // x/iv = i(-x/v) | |
| 7764 // Therefore, the result is 0 | |
| 7765 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 7766 e2->type = t1; | |
| 7767 e = new AssignExp(loc, e1, e2); | |
| 7768 e->type = t1; | |
| 7769 return e; | |
| 7770 } | |
| 7771 else if (t1->isimaginary()) | |
| 7772 { Expression *e; | |
| 7773 | |
| 7774 switch (t1->ty) | |
| 7775 { | |
| 7776 case Timaginary32: t2 = Type::tfloat32; break; | |
| 7777 case Timaginary64: t2 = Type::tfloat64; break; | |
| 7778 case Timaginary80: t2 = Type::tfloat80; break; | |
| 7779 default: | |
| 7780 assert(0); | |
| 7781 } | |
| 7782 e2 = e2->castTo(sc, t2); | |
| 7783 e = new AssignExp(loc, e1, e2); | |
| 7784 e->type = t1; | |
| 7785 return e; | |
| 7786 } | |
| 7787 } | |
| 7788 return this; | |
| 7789 } | |
| 7790 | |
| 7791 /************************************************************/ | |
| 7792 | |
| 7793 ModAssignExp::ModAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7794 : BinExp(loc, TOKmodass, sizeof(ModAssignExp), e1, e2) | |
| 7795 { | |
| 7796 } | |
| 7797 | |
| 7798 Expression *ModAssignExp::semantic(Scope *sc) | |
| 7799 { | |
| 7800 return commonSemanticAssign(sc); | |
| 7801 } | |
| 7802 | |
| 7803 /************************************************************/ | |
| 7804 | |
| 7805 ShlAssignExp::ShlAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7806 : BinExp(loc, TOKshlass, sizeof(ShlAssignExp), e1, e2) | |
| 7807 { | |
| 7808 } | |
| 7809 | |
| 7810 Expression *ShlAssignExp::semantic(Scope *sc) | |
| 7811 { Expression *e; | |
| 7812 | |
| 7813 //printf("ShlAssignExp::semantic()\n"); | |
| 7814 BinExp::semantic(sc); | |
| 7815 e2 = resolveProperties(sc, e2); | |
| 7816 | |
| 7817 e = op_overload(sc); | |
| 7818 if (e) | |
| 7819 return e; | |
| 7820 | |
| 7821 e1 = e1->modifiableLvalue(sc, e1); | |
| 7822 e1->checkScalar(); | |
| 7823 e1->checkNoBool(); | |
| 7824 type = e1->type; | |
| 7825 typeCombine(sc); | |
| 7826 e1->checkIntegral(); | |
| 7827 e2 = e2->checkIntegral(); | |
| 7828 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 7829 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 7830 return this; | |
| 7831 } | |
| 7832 | |
| 7833 /************************************************************/ | |
| 7834 | |
| 7835 ShrAssignExp::ShrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7836 : BinExp(loc, TOKshrass, sizeof(ShrAssignExp), e1, e2) | |
| 7837 { | |
| 7838 } | |
| 7839 | |
| 7840 Expression *ShrAssignExp::semantic(Scope *sc) | |
| 7841 { Expression *e; | |
| 7842 | |
| 7843 BinExp::semantic(sc); | |
| 7844 e2 = resolveProperties(sc, e2); | |
| 7845 | |
| 7846 e = op_overload(sc); | |
| 7847 if (e) | |
| 7848 return e; | |
| 7849 | |
| 7850 e1 = e1->modifiableLvalue(sc, e1); | |
| 7851 e1->checkScalar(); | |
| 7852 e1->checkNoBool(); | |
| 7853 type = e1->type; | |
| 7854 typeCombine(sc); | |
| 7855 e1->checkIntegral(); | |
| 7856 e2 = e2->checkIntegral(); | |
| 7857 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 7858 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 7859 return this; | |
| 7860 } | |
| 7861 | |
| 7862 /************************************************************/ | |
| 7863 | |
| 7864 UshrAssignExp::UshrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7865 : BinExp(loc, TOKushrass, sizeof(UshrAssignExp), e1, e2) | |
| 7866 { | |
| 7867 } | |
| 7868 | |
| 7869 Expression *UshrAssignExp::semantic(Scope *sc) | |
| 7870 { Expression *e; | |
| 7871 | |
| 7872 BinExp::semantic(sc); | |
| 7873 e2 = resolveProperties(sc, e2); | |
| 7874 | |
| 7875 e = op_overload(sc); | |
| 7876 if (e) | |
| 7877 return e; | |
| 7878 | |
| 7879 e1 = e1->modifiableLvalue(sc, e1); | |
| 7880 e1->checkScalar(); | |
| 7881 e1->checkNoBool(); | |
| 7882 type = e1->type; | |
| 7883 typeCombine(sc); | |
| 7884 e1->checkIntegral(); | |
| 7885 e2 = e2->checkIntegral(); | |
| 7886 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 7887 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 7888 return this; | |
| 7889 } | |
| 7890 | |
| 7891 /************************************************************/ | |
| 7892 | |
| 7893 AndAssignExp::AndAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7894 : BinExp(loc, TOKandass, sizeof(AndAssignExp), e1, e2) | |
| 7895 { | |
| 7896 } | |
| 7897 | |
| 7898 Expression *AndAssignExp::semantic(Scope *sc) | |
| 7899 { | |
| 7900 return commonSemanticAssignIntegral(sc); | |
| 7901 } | |
| 7902 | |
| 7903 /************************************************************/ | |
| 7904 | |
| 7905 OrAssignExp::OrAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7906 : BinExp(loc, TOKorass, sizeof(OrAssignExp), e1, e2) | |
| 7907 { | |
| 7908 } | |
| 7909 | |
| 7910 Expression *OrAssignExp::semantic(Scope *sc) | |
| 7911 { | |
| 7912 return commonSemanticAssignIntegral(sc); | |
| 7913 } | |
| 7914 | |
| 7915 /************************************************************/ | |
| 7916 | |
| 7917 XorAssignExp::XorAssignExp(Loc loc, Expression *e1, Expression *e2) | |
| 7918 : BinExp(loc, TOKxorass, sizeof(XorAssignExp), e1, e2) | |
| 7919 { | |
| 7920 } | |
| 7921 | |
| 7922 Expression *XorAssignExp::semantic(Scope *sc) | |
| 7923 { | |
| 7924 return commonSemanticAssignIntegral(sc); | |
| 7925 } | |
| 7926 | |
| 7927 /************************* AddExp *****************************/ | |
| 7928 | |
| 7929 AddExp::AddExp(Loc loc, Expression *e1, Expression *e2) | |
| 7930 : BinExp(loc, TOKadd, sizeof(AddExp), e1, e2) | |
| 7931 { | |
| 7932 } | |
| 7933 | |
| 7934 Expression *AddExp::semantic(Scope *sc) | |
| 7935 { Expression *e; | |
| 7936 | |
| 7937 #if LOGSEMANTIC | |
| 7938 printf("AddExp::semantic('%s')\n", toChars()); | |
| 7939 #endif | |
| 7940 if (!type) | |
| 7941 { | |
| 7942 BinExp::semanticp(sc); | |
| 7943 | |
| 7944 e = op_overload(sc); | |
| 7945 if (e) | |
| 7946 return e; | |
| 7947 | |
| 7948 Type *tb1 = e1->type->toBasetype(); | |
| 7949 Type *tb2 = e2->type->toBasetype(); | |
| 7950 | |
| 7951 if ((tb1->ty == Tarray || tb1->ty == Tsarray) && | |
| 7952 (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
|
7953 tb1->nextOf()->equals(tb2->nextOf()) |
| 159 | 7954 ) |
| 7955 { | |
| 7956 type = e1->type; | |
| 7957 e = this; | |
| 7958 } | |
| 7959 else if (tb1->ty == Tpointer && e2->type->isintegral() || | |
| 7960 tb2->ty == Tpointer && e1->type->isintegral()) | |
| 7961 e = scaleFactor(sc); | |
| 7962 else if (tb1->ty == Tpointer && tb2->ty == Tpointer) | |
| 7963 { | |
| 7964 incompatibleTypes(); | |
| 7965 type = e1->type; | |
| 7966 e = this; | |
| 7967 } | |
| 7968 else | |
| 7969 { | |
| 7970 typeCombine(sc); | |
| 7971 if ((e1->type->isreal() && e2->type->isimaginary()) || | |
| 7972 (e1->type->isimaginary() && e2->type->isreal())) | |
| 7973 { | |
| 7974 switch (type->toBasetype()->ty) | |
| 7975 { | |
| 7976 case Tfloat32: | |
| 7977 case Timaginary32: | |
| 7978 type = Type::tcomplex32; | |
| 7979 break; | |
| 7980 | |
| 7981 case Tfloat64: | |
| 7982 case Timaginary64: | |
| 7983 type = Type::tcomplex64; | |
| 7984 break; | |
| 7985 | |
| 7986 case Tfloat80: | |
| 7987 case Timaginary80: | |
| 7988 type = Type::tcomplex80; | |
| 7989 break; | |
| 7990 | |
| 7991 default: | |
| 7992 assert(0); | |
| 7993 } | |
| 7994 } | |
| 7995 e = this; | |
| 7996 } | |
| 7997 return e; | |
| 7998 } | |
| 7999 return this; | |
| 8000 } | |
| 8001 | |
| 8002 /************************************************************/ | |
| 8003 | |
| 8004 MinExp::MinExp(Loc loc, Expression *e1, Expression *e2) | |
| 8005 : BinExp(loc, TOKmin, sizeof(MinExp), e1, e2) | |
| 8006 { | |
| 8007 } | |
| 8008 | |
| 8009 Expression *MinExp::semantic(Scope *sc) | |
| 8010 { Expression *e; | |
| 8011 Type *t1; | |
| 8012 Type *t2; | |
| 8013 | |
| 8014 #if LOGSEMANTIC | |
| 8015 printf("MinExp::semantic('%s')\n", toChars()); | |
| 8016 #endif | |
| 8017 if (type) | |
| 8018 return this; | |
| 8019 | |
| 8020 BinExp::semanticp(sc); | |
| 8021 | |
| 8022 e = op_overload(sc); | |
| 8023 if (e) | |
| 8024 return e; | |
| 8025 | |
| 8026 e = this; | |
| 8027 t1 = e1->type->toBasetype(); | |
| 8028 t2 = e2->type->toBasetype(); | |
| 8029 if (t1->ty == Tpointer) | |
| 8030 { | |
| 8031 if (t2->ty == Tpointer) | |
| 8032 { // Need to divide the result by the stride | |
| 8033 // Replace (ptr - ptr) with (ptr - ptr) / stride | |
| 8034 d_int64 stride; | |
| 8035 Expression *e; | |
| 8036 | |
| 8037 typeCombine(sc); // make sure pointer types are compatible | |
| 8038 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
|
8039 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
|
8040 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
|
8041 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8042 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
|
8043 } |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8044 else |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8045 { |
|
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8046 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
|
8047 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
|
8048 } |
| 159 | 8049 return e; |
| 8050 } | |
| 8051 else if (t2->isintegral()) | |
| 8052 e = scaleFactor(sc); | |
| 8053 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
|
8054 { error("incompatible types for minus"); |
| 159 | 8055 return new IntegerExp(0); |
| 8056 } | |
| 8057 } | |
| 8058 else if (t2->ty == Tpointer) | |
| 8059 { | |
| 8060 type = e2->type; | |
| 8061 error("can't subtract pointer from %s", e1->type->toChars()); | |
| 8062 return new IntegerExp(0); | |
| 8063 } | |
| 8064 else | |
| 8065 { | |
| 8066 typeCombine(sc); | |
| 8067 t1 = e1->type->toBasetype(); | |
| 8068 t2 = e2->type->toBasetype(); | |
| 8069 if ((t1->isreal() && t2->isimaginary()) || | |
| 8070 (t1->isimaginary() && t2->isreal())) | |
| 8071 { | |
| 8072 switch (type->ty) | |
| 8073 { | |
| 8074 case Tfloat32: | |
| 8075 case Timaginary32: | |
| 8076 type = Type::tcomplex32; | |
| 8077 break; | |
| 8078 | |
| 8079 case Tfloat64: | |
| 8080 case Timaginary64: | |
| 8081 type = Type::tcomplex64; | |
| 8082 break; | |
| 8083 | |
| 8084 case Tfloat80: | |
| 8085 case Timaginary80: | |
| 8086 type = Type::tcomplex80; | |
| 8087 break; | |
| 8088 | |
| 8089 default: | |
| 8090 assert(0); | |
| 8091 } | |
| 8092 } | |
| 8093 } | |
| 8094 return e; | |
| 8095 } | |
| 8096 | |
| 8097 /************************* CatExp *****************************/ | |
| 8098 | |
| 8099 CatExp::CatExp(Loc loc, Expression *e1, Expression *e2) | |
| 8100 : BinExp(loc, TOKcat, sizeof(CatExp), e1, e2) | |
| 8101 { | |
| 8102 } | |
| 8103 | |
| 8104 Expression *CatExp::semantic(Scope *sc) | |
| 8105 { Expression *e; | |
| 8106 | |
| 8107 //printf("CatExp::semantic() %s\n", toChars()); | |
| 8108 if (!type) | |
| 8109 { | |
| 8110 BinExp::semanticp(sc); | |
| 8111 e = op_overload(sc); | |
| 8112 if (e) | |
| 8113 return e; | |
| 8114 | |
| 8115 Type *tb1 = e1->type->toBasetype(); | |
| 8116 Type *tb2 = e2->type->toBasetype(); | |
| 8117 | |
| 8118 | |
| 8119 /* BUG: Should handle things like: | |
| 8120 * char c; | |
| 8121 * c ~ ' ' | |
| 8122 * ' ' ~ c; | |
| 8123 */ | |
| 8124 | |
| 8125 #if 0 | |
| 8126 e1->type->print(); | |
| 8127 e2->type->print(); | |
| 8128 #endif | |
| 8129 if ((tb1->ty == Tsarray || tb1->ty == Tarray) && | |
| 8130 e2->type->equals(tb1->next)) | |
| 8131 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8132 type = tb1->nextOf()->arrayOf(); |
| 159 | 8133 if (tb2->ty == Tarray) |
| 8134 { // Make e2 into [e2] | |
| 8135 e2 = new ArrayLiteralExp(e2->loc, e2); | |
| 8136 e2->type = type; | |
| 8137 } | |
| 8138 return this; | |
| 8139 } | |
| 8140 else if ((tb2->ty == Tsarray || tb2->ty == Tarray) && | |
| 8141 e1->type->equals(tb2->next)) | |
| 8142 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8143 type = tb2->nextOf()->arrayOf(); |
| 159 | 8144 if (tb1->ty == Tarray) |
| 8145 { // Make e1 into [e1] | |
| 8146 e1 = new ArrayLiteralExp(e1->loc, e1); | |
| 8147 e1->type = type; | |
| 8148 } | |
| 8149 return this; | |
| 8150 } | |
| 8151 | |
| 8152 typeCombine(sc); | |
| 8153 | |
| 8154 if (type->toBasetype()->ty == Tsarray) | |
| 8155 type = type->toBasetype()->next->arrayOf(); | |
| 8156 #if 0 | |
| 8157 e1->type->print(); | |
| 8158 e2->type->print(); | |
| 8159 type->print(); | |
| 8160 print(); | |
| 8161 #endif | |
| 8162 if (e1->op == TOKstring && e2->op == TOKstring) | |
| 8163 e = optimize(WANTvalue); | |
| 8164 else if (e1->type->equals(e2->type) && | |
| 8165 (e1->type->toBasetype()->ty == Tarray || | |
| 8166 e1->type->toBasetype()->ty == Tsarray)) | |
| 8167 { | |
| 8168 e = this; | |
| 8169 } | |
| 8170 else | |
| 8171 { | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
8172 //printf("(%s) ~ (%s)\n", e1->toChars(), e2->toChars()); |
| 159 | 8173 error("Can only concatenate arrays, not (%s ~ %s)", |
| 8174 e1->type->toChars(), e2->type->toChars()); | |
| 8175 type = Type::tint32; | |
| 8176 e = this; | |
| 8177 } | |
| 8178 e->type = e->type->semantic(loc, sc); | |
| 8179 return e; | |
| 8180 } | |
| 8181 return this; | |
| 8182 } | |
| 8183 | |
| 8184 /************************************************************/ | |
| 8185 | |
| 8186 MulExp::MulExp(Loc loc, Expression *e1, Expression *e2) | |
| 8187 : BinExp(loc, TOKmul, sizeof(MulExp), e1, e2) | |
| 8188 { | |
| 8189 } | |
| 8190 | |
| 8191 Expression *MulExp::semantic(Scope *sc) | |
| 8192 { Expression *e; | |
| 8193 | |
| 8194 #if 0 | |
| 8195 printf("MulExp::semantic() %s\n", toChars()); | |
| 8196 #endif | |
| 8197 if (type) | |
| 8198 { | |
| 8199 return this; | |
| 8200 } | |
| 8201 | |
| 8202 BinExp::semanticp(sc); | |
| 8203 e = op_overload(sc); | |
| 8204 if (e) | |
| 8205 return e; | |
| 8206 | |
| 8207 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
|
8208 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
|
8209 { 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
|
8210 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
|
8211 } |
| 159 | 8212 if (type->isfloating()) |
| 8213 { Type *t1 = e1->type; | |
| 8214 Type *t2 = e2->type; | |
| 8215 | |
| 8216 if (t1->isreal()) | |
| 8217 { | |
| 8218 type = t2; | |
| 8219 } | |
| 8220 else if (t2->isreal()) | |
| 8221 { | |
| 8222 type = t1; | |
| 8223 } | |
| 8224 else if (t1->isimaginary()) | |
| 8225 { | |
| 8226 if (t2->isimaginary()) | |
| 8227 { Expression *e; | |
| 8228 | |
| 8229 switch (t1->ty) | |
| 8230 { | |
| 8231 case Timaginary32: type = Type::tfloat32; break; | |
| 8232 case Timaginary64: type = Type::tfloat64; break; | |
| 8233 case Timaginary80: type = Type::tfloat80; break; | |
| 8234 default: assert(0); | |
| 8235 } | |
| 8236 | |
| 8237 // iy * iv = -yv | |
| 8238 e1->type = type; | |
| 8239 e2->type = type; | |
| 8240 e = new NegExp(loc, this); | |
| 8241 e = e->semantic(sc); | |
| 8242 return e; | |
| 8243 } | |
| 8244 else | |
| 8245 type = t2; // t2 is complex | |
| 8246 } | |
| 8247 else if (t2->isimaginary()) | |
| 8248 { | |
| 8249 type = t1; // t1 is complex | |
| 8250 } | |
| 8251 } | |
| 8252 return this; | |
| 8253 } | |
| 8254 | |
| 8255 /************************************************************/ | |
| 8256 | |
| 8257 DivExp::DivExp(Loc loc, Expression *e1, Expression *e2) | |
| 8258 : BinExp(loc, TOKdiv, sizeof(DivExp), e1, e2) | |
| 8259 { | |
| 8260 } | |
| 8261 | |
| 8262 Expression *DivExp::semantic(Scope *sc) | |
| 8263 { Expression *e; | |
| 8264 | |
| 8265 if (type) | |
| 8266 return this; | |
| 8267 | |
| 8268 BinExp::semanticp(sc); | |
| 8269 e = op_overload(sc); | |
| 8270 if (e) | |
| 8271 return e; | |
| 8272 | |
| 8273 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
|
8274 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
|
8275 { 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
|
8276 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
|
8277 } |
| 159 | 8278 if (type->isfloating()) |
| 8279 { Type *t1 = e1->type; | |
| 8280 Type *t2 = e2->type; | |
| 8281 | |
| 8282 if (t1->isreal()) | |
| 8283 { | |
| 8284 type = t2; | |
| 8285 if (t2->isimaginary()) | |
| 8286 { Expression *e; | |
| 8287 | |
| 8288 // x/iv = i(-x/v) | |
| 8289 e2->type = t1; | |
| 8290 e = new NegExp(loc, this); | |
| 8291 e = e->semantic(sc); | |
| 8292 return e; | |
| 8293 } | |
| 8294 } | |
| 8295 else if (t2->isreal()) | |
| 8296 { | |
| 8297 type = t1; | |
| 8298 } | |
| 8299 else if (t1->isimaginary()) | |
| 8300 { | |
| 8301 if (t2->isimaginary()) | |
| 8302 { | |
| 8303 switch (t1->ty) | |
| 8304 { | |
| 8305 case Timaginary32: type = Type::tfloat32; break; | |
| 8306 case Timaginary64: type = Type::tfloat64; break; | |
| 8307 case Timaginary80: type = Type::tfloat80; break; | |
| 8308 default: assert(0); | |
| 8309 } | |
| 8310 } | |
| 8311 else | |
| 8312 type = t2; // t2 is complex | |
| 8313 } | |
| 8314 else if (t2->isimaginary()) | |
| 8315 { | |
| 8316 type = t1; // t1 is complex | |
| 8317 } | |
| 8318 } | |
| 8319 return this; | |
| 8320 } | |
| 8321 | |
| 8322 /************************************************************/ | |
| 8323 | |
| 8324 ModExp::ModExp(Loc loc, Expression *e1, Expression *e2) | |
| 8325 : BinExp(loc, TOKmod, sizeof(ModExp), e1, e2) | |
| 8326 { | |
| 8327 } | |
| 8328 | |
| 8329 Expression *ModExp::semantic(Scope *sc) | |
| 8330 { Expression *e; | |
| 8331 | |
| 8332 if (type) | |
| 8333 return this; | |
| 8334 | |
| 8335 BinExp::semanticp(sc); | |
| 8336 e = op_overload(sc); | |
| 8337 if (e) | |
| 8338 return e; | |
| 8339 | |
| 8340 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
|
8341 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
|
8342 { 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
|
8343 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
|
8344 } |
| 159 | 8345 if (type->isfloating()) |
| 8346 { type = e1->type; | |
| 8347 if (e2->type->iscomplex()) | |
| 8348 { error("cannot perform modulo complex arithmetic"); | |
| 8349 return new IntegerExp(0); | |
| 8350 } | |
| 8351 } | |
| 8352 return this; | |
| 8353 } | |
| 8354 | |
| 8355 /************************************************************/ | |
| 8356 | |
| 8357 ShlExp::ShlExp(Loc loc, Expression *e1, Expression *e2) | |
| 8358 : BinExp(loc, TOKshl, sizeof(ShlExp), e1, e2) | |
| 8359 { | |
| 8360 } | |
| 8361 | |
| 8362 Expression *ShlExp::semantic(Scope *sc) | |
| 8363 { Expression *e; | |
| 8364 | |
| 8365 //printf("ShlExp::semantic(), type = %p\n", type); | |
| 8366 if (!type) | |
| 8367 { BinExp::semanticp(sc); | |
| 8368 e = op_overload(sc); | |
| 8369 if (e) | |
| 8370 return e; | |
| 8371 e1 = e1->checkIntegral(); | |
| 8372 e2 = e2->checkIntegral(); | |
| 8373 e1 = e1->integralPromotions(sc); | |
| 8374 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 8375 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 8376 type = e1->type; | |
| 8377 } | |
| 8378 return this; | |
| 8379 } | |
| 8380 | |
| 8381 /************************************************************/ | |
| 8382 | |
| 8383 ShrExp::ShrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8384 : BinExp(loc, TOKshr, sizeof(ShrExp), e1, e2) | |
| 8385 { | |
| 8386 } | |
| 8387 | |
| 8388 Expression *ShrExp::semantic(Scope *sc) | |
| 8389 { Expression *e; | |
| 8390 | |
| 8391 if (!type) | |
| 8392 { BinExp::semanticp(sc); | |
| 8393 e = op_overload(sc); | |
| 8394 if (e) | |
| 8395 return e; | |
| 8396 e1 = e1->checkIntegral(); | |
| 8397 e2 = e2->checkIntegral(); | |
| 8398 e1 = e1->integralPromotions(sc); | |
| 8399 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 8400 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 8401 type = e1->type; | |
| 8402 } | |
| 8403 return this; | |
| 8404 } | |
| 8405 | |
| 8406 /************************************************************/ | |
| 8407 | |
| 8408 UshrExp::UshrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8409 : BinExp(loc, TOKushr, sizeof(UshrExp), e1, e2) | |
| 8410 { | |
| 8411 } | |
| 8412 | |
| 8413 Expression *UshrExp::semantic(Scope *sc) | |
| 8414 { Expression *e; | |
| 8415 | |
| 8416 if (!type) | |
| 8417 { BinExp::semanticp(sc); | |
| 8418 e = op_overload(sc); | |
| 8419 if (e) | |
| 8420 return e; | |
| 8421 e1 = e1->checkIntegral(); | |
| 8422 e2 = e2->checkIntegral(); | |
| 8423 e1 = e1->integralPromotions(sc); | |
| 8424 //e2 = e2->castTo(sc, Type::tshiftcnt); | |
| 8425 e2 = e2->castTo(sc, e1->type); // LLVMDC | |
| 8426 type = e1->type; | |
| 8427 } | |
| 8428 return this; | |
| 8429 } | |
| 8430 | |
| 8431 /************************************************************/ | |
| 8432 | |
| 8433 AndExp::AndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8434 : BinExp(loc, TOKand, sizeof(AndExp), e1, e2) | |
| 8435 { | |
| 8436 } | |
| 8437 | |
| 8438 Expression *AndExp::semantic(Scope *sc) | |
| 8439 { Expression *e; | |
| 8440 | |
| 8441 if (!type) | |
| 8442 { BinExp::semanticp(sc); | |
| 8443 e = op_overload(sc); | |
| 8444 if (e) | |
| 8445 return e; | |
| 8446 if (e1->type->toBasetype()->ty == Tbool && | |
| 8447 e2->type->toBasetype()->ty == Tbool) | |
| 8448 { | |
| 8449 type = e1->type; | |
| 8450 e = this; | |
| 8451 } | |
| 8452 else | |
| 8453 { | |
| 8454 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
|
8455 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
|
8456 { 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
|
8457 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
|
8458 } |
| 159 | 8459 } |
| 8460 } | |
| 8461 return this; | |
| 8462 } | |
| 8463 | |
| 8464 /************************************************************/ | |
| 8465 | |
| 8466 OrExp::OrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8467 : BinExp(loc, TOKor, sizeof(OrExp), e1, e2) | |
| 8468 { | |
| 8469 } | |
| 8470 | |
| 8471 Expression *OrExp::semantic(Scope *sc) | |
| 8472 { Expression *e; | |
| 8473 | |
| 8474 if (!type) | |
| 8475 { BinExp::semanticp(sc); | |
| 8476 e = op_overload(sc); | |
| 8477 if (e) | |
| 8478 return e; | |
| 8479 if (e1->type->toBasetype()->ty == Tbool && | |
| 8480 e2->type->toBasetype()->ty == Tbool) | |
| 8481 { | |
| 8482 type = e1->type; | |
| 8483 e = this; | |
| 8484 } | |
| 8485 else | |
| 8486 { | |
| 8487 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
|
8488 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
|
8489 { 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
|
8490 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
|
8491 } |
| 159 | 8492 } |
| 8493 } | |
| 8494 return this; | |
| 8495 } | |
| 8496 | |
| 8497 /************************************************************/ | |
| 8498 | |
| 8499 XorExp::XorExp(Loc loc, Expression *e1, Expression *e2) | |
| 8500 : BinExp(loc, TOKxor, sizeof(XorExp), e1, e2) | |
| 8501 { | |
| 8502 } | |
| 8503 | |
| 8504 Expression *XorExp::semantic(Scope *sc) | |
| 8505 { Expression *e; | |
| 8506 | |
| 8507 if (!type) | |
| 8508 { BinExp::semanticp(sc); | |
| 8509 e = op_overload(sc); | |
| 8510 if (e) | |
| 8511 return e; | |
| 8512 if (e1->type->toBasetype()->ty == Tbool && | |
| 8513 e2->type->toBasetype()->ty == Tbool) | |
| 8514 { | |
| 8515 type = e1->type; | |
| 8516 e = this; | |
| 8517 } | |
| 8518 else | |
| 8519 { | |
| 8520 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
|
8521 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
|
8522 { 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
|
8523 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
|
8524 } |
| 159 | 8525 } |
| 8526 } | |
| 8527 return this; | |
| 8528 } | |
| 8529 | |
| 8530 | |
| 8531 /************************************************************/ | |
| 8532 | |
| 8533 OrOrExp::OrOrExp(Loc loc, Expression *e1, Expression *e2) | |
| 8534 : BinExp(loc, TOKoror, sizeof(OrOrExp), e1, e2) | |
| 8535 { | |
| 8536 } | |
| 8537 | |
| 8538 Expression *OrOrExp::semantic(Scope *sc) | |
| 8539 { | |
| 8540 unsigned cs1; | |
| 8541 | |
| 8542 // same as for AndAnd | |
| 8543 e1 = e1->semantic(sc); | |
| 8544 e1 = resolveProperties(sc, e1); | |
| 8545 e1 = e1->checkToPointer(); | |
| 8546 e1 = e1->checkToBoolean(); | |
| 8547 cs1 = sc->callSuper; | |
| 8548 | |
| 8549 if (sc->flags & SCOPEstaticif) | |
| 8550 { | |
| 8551 /* If in static if, don't evaluate e2 if we don't have to. | |
| 8552 */ | |
| 8553 e1 = e1->optimize(WANTflags); | |
| 8554 if (e1->isBool(TRUE)) | |
| 8555 { | |
| 8556 return new IntegerExp(loc, 1, Type::tboolean); | |
| 8557 } | |
| 8558 } | |
| 8559 | |
| 8560 e2 = e2->semantic(sc); | |
| 8561 sc->mergeCallSuper(loc, cs1); | |
| 8562 e2 = resolveProperties(sc, e2); | |
| 8563 e2 = e2->checkToPointer(); | |
| 8564 | |
| 8565 type = Type::tboolean; | |
| 8566 if (e1->type->ty == Tvoid) | |
| 8567 type = Type::tvoid; | |
| 8568 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 8569 error("%s is not an expression", e2->toChars()); | |
| 8570 return this; | |
| 8571 } | |
| 8572 | |
| 8573 Expression *OrOrExp::checkToBoolean() | |
| 8574 { | |
| 8575 e2 = e2->checkToBoolean(); | |
| 8576 return this; | |
| 8577 } | |
| 8578 | |
| 8579 int OrOrExp::isBit() | |
| 8580 { | |
| 8581 return TRUE; | |
| 8582 } | |
| 8583 | |
| 8584 int OrOrExp::checkSideEffect(int flag) | |
| 8585 { | |
| 8586 if (flag == 2) | |
| 8587 { | |
| 8588 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 8589 } | |
| 8590 else | |
| 8591 { e1->checkSideEffect(1); | |
| 8592 return e2->checkSideEffect(flag); | |
| 8593 } | |
| 8594 } | |
| 8595 | |
| 8596 /************************************************************/ | |
| 8597 | |
| 8598 AndAndExp::AndAndExp(Loc loc, Expression *e1, Expression *e2) | |
| 8599 : BinExp(loc, TOKandand, sizeof(AndAndExp), e1, e2) | |
| 8600 { | |
| 8601 } | |
| 8602 | |
| 8603 Expression *AndAndExp::semantic(Scope *sc) | |
| 8604 { | |
| 8605 unsigned cs1; | |
| 8606 | |
| 8607 // same as for OrOr | |
| 8608 e1 = e1->semantic(sc); | |
| 8609 e1 = resolveProperties(sc, e1); | |
| 8610 e1 = e1->checkToPointer(); | |
| 8611 e1 = e1->checkToBoolean(); | |
| 8612 cs1 = sc->callSuper; | |
| 8613 | |
| 8614 if (sc->flags & SCOPEstaticif) | |
| 8615 { | |
| 8616 /* If in static if, don't evaluate e2 if we don't have to. | |
| 8617 */ | |
| 8618 e1 = e1->optimize(WANTflags); | |
| 8619 if (e1->isBool(FALSE)) | |
| 8620 { | |
| 8621 return new IntegerExp(loc, 0, Type::tboolean); | |
| 8622 } | |
| 8623 } | |
| 8624 | |
| 8625 e2 = e2->semantic(sc); | |
| 8626 sc->mergeCallSuper(loc, cs1); | |
| 8627 e2 = resolveProperties(sc, e2); | |
| 8628 e2 = e2->checkToPointer(); | |
| 8629 | |
| 8630 type = Type::tboolean; | |
| 8631 if (e1->type->ty == Tvoid) | |
| 8632 type = Type::tvoid; | |
| 8633 if (e2->op == TOKtype || e2->op == TOKimport) | |
| 8634 error("%s is not an expression", e2->toChars()); | |
| 8635 return this; | |
| 8636 } | |
| 8637 | |
| 8638 Expression *AndAndExp::checkToBoolean() | |
| 8639 { | |
| 8640 e2 = e2->checkToBoolean(); | |
| 8641 return this; | |
| 8642 } | |
| 8643 | |
| 8644 int AndAndExp::isBit() | |
| 8645 { | |
| 8646 return TRUE; | |
| 8647 } | |
| 8648 | |
| 8649 int AndAndExp::checkSideEffect(int flag) | |
| 8650 { | |
| 8651 if (flag == 2) | |
| 8652 { | |
| 8653 return e1->checkSideEffect(2) || e2->checkSideEffect(2); | |
| 8654 } | |
| 8655 else | |
| 8656 { | |
| 8657 e1->checkSideEffect(1); | |
| 8658 return e2->checkSideEffect(flag); | |
| 8659 } | |
| 8660 } | |
| 8661 | |
| 8662 /************************************************************/ | |
| 8663 | |
| 8664 InExp::InExp(Loc loc, Expression *e1, Expression *e2) | |
| 8665 : BinExp(loc, TOKin, sizeof(InExp), e1, e2) | |
| 8666 { | |
| 8667 } | |
| 8668 | |
| 8669 Expression *InExp::semantic(Scope *sc) | |
| 8670 { Expression *e; | |
| 8671 | |
| 8672 if (type) | |
| 8673 return this; | |
| 8674 | |
| 8675 BinExp::semanticp(sc); | |
| 8676 e = op_overload(sc); | |
| 8677 if (e) | |
| 8678 return e; | |
| 8679 | |
| 8680 //type = Type::tboolean; | |
| 8681 Type *t2b = e2->type->toBasetype(); | |
| 8682 if (t2b->ty != Taarray) | |
| 8683 { | |
| 8684 error("rvalue of in expression must be an associative array, not %s", e2->type->toChars()); | |
| 8685 type = Type::terror; | |
| 8686 } | |
| 8687 else | |
| 8688 { | |
| 8689 TypeAArray *ta = (TypeAArray *)t2b; | |
| 8690 | |
| 8691 // Convert key to type of key | |
| 8692 e1 = e1->implicitCastTo(sc, ta->index); | |
| 8693 | |
| 8694 // 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
|
8695 type = ta->nextOf()->pointerTo(); |
| 159 | 8696 } |
| 8697 return this; | |
| 8698 } | |
| 8699 | |
| 8700 int InExp::isBit() | |
| 8701 { | |
| 8702 return FALSE; | |
| 8703 } | |
| 8704 | |
| 8705 | |
| 8706 /************************************************************/ | |
| 8707 | |
| 8708 /* This deletes the key e1 from the associative array e2 | |
| 8709 */ | |
| 8710 | |
| 8711 RemoveExp::RemoveExp(Loc loc, Expression *e1, Expression *e2) | |
| 8712 : BinExp(loc, TOKremove, sizeof(RemoveExp), e1, e2) | |
| 8713 { | |
| 8714 type = Type::tvoid; | |
| 8715 } | |
| 8716 | |
| 8717 /************************************************************/ | |
| 8718 | |
| 8719 CmpExp::CmpExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 8720 : BinExp(loc, op, sizeof(CmpExp), e1, e2) | |
| 8721 { | |
| 8722 } | |
| 8723 | |
| 8724 Expression *CmpExp::semantic(Scope *sc) | |
| 8725 { Expression *e; | |
| 8726 Type *t1; | |
| 8727 Type *t2; | |
| 8728 | |
| 8729 #if LOGSEMANTIC | |
| 8730 printf("CmpExp::semantic('%s')\n", toChars()); | |
| 8731 #endif | |
| 8732 if (type) | |
| 8733 return this; | |
| 8734 | |
| 8735 BinExp::semanticp(sc); | |
| 8736 | |
| 8737 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 8738 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 8739 { | |
| 8740 error("do not use null when comparing class types"); | |
| 8741 } | |
| 8742 | |
| 8743 e = op_overload(sc); | |
| 8744 if (e) | |
| 8745 { | |
| 8746 e = new CmpExp(op, loc, e, new IntegerExp(loc, 0, Type::tint32)); | |
| 8747 e = e->semantic(sc); | |
| 8748 return e; | |
| 8749 } | |
| 8750 | |
| 8751 typeCombine(sc); | |
| 8752 type = Type::tboolean; | |
| 8753 | |
| 8754 // Special handling for array comparisons | |
| 8755 t1 = e1->type->toBasetype(); | |
| 8756 t2 = e2->type->toBasetype(); | |
| 8757 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 8758 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 8759 { | |
| 8760 if (!t1->next->equals(t2->next)) | |
| 8761 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 8762 e = this; | |
| 8763 } | |
| 8764 else if (t1->ty == Tstruct || t2->ty == Tstruct || | |
| 8765 (t1->ty == Tclass && t2->ty == Tclass)) | |
| 8766 { | |
| 8767 if (t2->ty == Tstruct) | |
| 8768 error("need member function opCmp() for %s %s to compare", t2->toDsymbol(sc)->kind(), t2->toChars()); | |
| 8769 else | |
| 8770 error("need member function opCmp() for %s %s to compare", t1->toDsymbol(sc)->kind(), t1->toChars()); | |
| 8771 e = this; | |
| 8772 } | |
| 8773 #if 1 | |
| 8774 else if (t1->iscomplex() || t2->iscomplex()) | |
| 8775 { | |
| 8776 error("compare not defined for complex operands"); | |
| 8777 e = new IntegerExp(0); | |
| 8778 } | |
| 8779 #endif | |
| 8780 else | |
| 8781 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
|
8782 //printf("CmpExp: %s\n", e->toChars()); |
| 159 | 8783 return e; |
| 8784 } | |
| 8785 | |
| 8786 int CmpExp::isBit() | |
| 8787 { | |
| 8788 return TRUE; | |
| 8789 } | |
| 8790 | |
| 8791 | |
| 8792 /************************************************************/ | |
| 8793 | |
| 8794 EqualExp::EqualExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 8795 : BinExp(loc, op, sizeof(EqualExp), e1, e2) | |
| 8796 { | |
| 8797 assert(op == TOKequal || op == TOKnotequal); | |
| 8798 } | |
| 8799 | |
| 8800 Expression *EqualExp::semantic(Scope *sc) | |
| 8801 { Expression *e; | |
| 8802 Type *t1; | |
| 8803 Type *t2; | |
| 8804 | |
| 8805 //printf("EqualExp::semantic('%s')\n", toChars()); | |
| 8806 if (type) | |
| 8807 return this; | |
| 8808 | |
| 8809 BinExp::semanticp(sc); | |
| 8810 | |
| 8811 /* Before checking for operator overloading, check to see if we're | |
| 8812 * comparing the addresses of two statics. If so, we can just see | |
| 8813 * if they are the same symbol. | |
| 8814 */ | |
| 8815 if (e1->op == TOKaddress && e2->op == TOKaddress) | |
| 8816 { AddrExp *ae1 = (AddrExp *)e1; | |
| 8817 AddrExp *ae2 = (AddrExp *)e2; | |
| 8818 | |
| 8819 if (ae1->e1->op == TOKvar && ae2->e1->op == TOKvar) | |
| 8820 { VarExp *ve1 = (VarExp *)ae1->e1; | |
| 8821 VarExp *ve2 = (VarExp *)ae2->e1; | |
| 8822 | |
| 8823 if (ve1->var == ve2->var /*|| ve1->var->toSymbol() == ve2->var->toSymbol()*/) | |
| 8824 { | |
| 8825 // They are the same, result is 'true' for ==, 'false' for != | |
| 8826 e = new IntegerExp(loc, (op == TOKequal), Type::tboolean); | |
| 8827 return e; | |
| 8828 } | |
| 8829 } | |
| 8830 } | |
| 8831 | |
| 8832 if (e1->type->toBasetype()->ty == Tclass && e2->op == TOKnull || | |
| 8833 e2->type->toBasetype()->ty == Tclass && e1->op == TOKnull) | |
| 8834 { | |
| 8835 error("use '%s' instead of '%s' when comparing with null", | |
| 8836 Token::toChars(op == TOKequal ? TOKidentity : TOKnotidentity), | |
| 8837 Token::toChars(op)); | |
| 8838 } | |
| 8839 | |
| 8840 //if (e2->op != TOKnull) | |
| 8841 { | |
| 8842 e = op_overload(sc); | |
| 8843 if (e) | |
| 8844 { | |
| 8845 if (op == TOKnotequal) | |
| 8846 { | |
| 8847 e = new NotExp(e->loc, e); | |
| 8848 e = e->semantic(sc); | |
| 8849 } | |
| 8850 return e; | |
| 8851 } | |
| 8852 } | |
| 8853 | |
| 8854 e = typeCombine(sc); | |
| 8855 type = Type::tboolean; | |
| 8856 | |
| 8857 // Special handling for array comparisons | |
| 8858 t1 = e1->type->toBasetype(); | |
| 8859 t2 = e2->type->toBasetype(); | |
| 8860 if ((t1->ty == Tarray || t1->ty == Tsarray) && | |
| 8861 (t2->ty == Tarray || t2->ty == Tsarray)) | |
| 8862 { | |
| 8863 if (!t1->next->equals(t2->next)) | |
| 8864 error("array comparison type mismatch, %s vs %s", t1->next->toChars(), t2->next->toChars()); | |
| 8865 } | |
| 8866 else | |
| 8867 { | |
| 8868 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 8869 { | |
| 8870 // Cast both to complex | |
| 8871 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 8872 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 8873 } | |
| 8874 } | |
| 8875 return e; | |
| 8876 } | |
| 8877 | |
| 8878 int EqualExp::isBit() | |
| 8879 { | |
| 8880 return TRUE; | |
| 8881 } | |
| 8882 | |
| 8883 | |
| 8884 | |
| 8885 /************************************************************/ | |
| 8886 | |
| 8887 IdentityExp::IdentityExp(enum TOK op, Loc loc, Expression *e1, Expression *e2) | |
| 8888 : BinExp(loc, op, sizeof(IdentityExp), e1, e2) | |
| 8889 { | |
| 8890 } | |
| 8891 | |
| 8892 Expression *IdentityExp::semantic(Scope *sc) | |
| 8893 { | |
| 8894 if (type) | |
| 8895 return this; | |
| 8896 | |
| 8897 BinExp::semanticp(sc); | |
| 8898 type = Type::tboolean; | |
| 8899 typeCombine(sc); | |
| 8900 if (e1->type != e2->type && e1->type->isfloating() && e2->type->isfloating()) | |
| 8901 { | |
| 8902 // Cast both to complex | |
| 8903 e1 = e1->castTo(sc, Type::tcomplex80); | |
| 8904 e2 = e2->castTo(sc, Type::tcomplex80); | |
| 8905 } | |
| 8906 return this; | |
| 8907 } | |
| 8908 | |
| 8909 int IdentityExp::isBit() | |
| 8910 { | |
| 8911 return TRUE; | |
| 8912 } | |
| 8913 | |
| 8914 | |
| 8915 /****************************************************************/ | |
| 8916 | |
| 8917 CondExp::CondExp(Loc loc, Expression *econd, Expression *e1, Expression *e2) | |
| 8918 : BinExp(loc, TOKquestion, sizeof(CondExp), e1, e2) | |
| 8919 { | |
| 8920 this->econd = econd; | |
| 8921 } | |
| 8922 | |
| 8923 Expression *CondExp::syntaxCopy() | |
| 8924 { | |
| 8925 return new CondExp(loc, econd->syntaxCopy(), e1->syntaxCopy(), e2->syntaxCopy()); | |
| 8926 } | |
| 8927 | |
| 8928 | |
| 8929 Expression *CondExp::semantic(Scope *sc) | |
| 8930 { Type *t1; | |
| 8931 Type *t2; | |
| 8932 unsigned cs0; | |
| 8933 unsigned cs1; | |
| 8934 | |
| 8935 #if LOGSEMANTIC | |
| 8936 printf("CondExp::semantic('%s')\n", toChars()); | |
| 8937 #endif | |
| 8938 if (type) | |
| 8939 return this; | |
| 8940 | |
| 8941 econd = econd->semantic(sc); | |
| 8942 econd = resolveProperties(sc, econd); | |
| 8943 econd = econd->checkToPointer(); | |
| 8944 econd = econd->checkToBoolean(); | |
| 8945 | |
| 8946 #if 0 /* this cannot work right because the types of e1 and e2 | |
| 8947 * both contribute to the type of the result. | |
| 8948 */ | |
| 8949 if (sc->flags & SCOPEstaticif) | |
| 8950 { | |
| 8951 /* If in static if, don't evaluate what we don't have to. | |
| 8952 */ | |
| 8953 econd = econd->optimize(WANTflags); | |
| 8954 if (econd->isBool(TRUE)) | |
| 8955 { | |
| 8956 e1 = e1->semantic(sc); | |
| 8957 e1 = resolveProperties(sc, e1); | |
| 8958 return e1; | |
| 8959 } | |
| 8960 else if (econd->isBool(FALSE)) | |
| 8961 { | |
| 8962 e2 = e2->semantic(sc); | |
| 8963 e2 = resolveProperties(sc, e2); | |
| 8964 return e2; | |
| 8965 } | |
| 8966 } | |
| 8967 #endif | |
| 8968 | |
| 8969 | |
| 8970 cs0 = sc->callSuper; | |
| 8971 e1 = e1->semantic(sc); | |
| 8972 e1 = resolveProperties(sc, e1); | |
| 8973 cs1 = sc->callSuper; | |
| 8974 sc->callSuper = cs0; | |
| 8975 e2 = e2->semantic(sc); | |
| 8976 e2 = resolveProperties(sc, e2); | |
| 8977 sc->mergeCallSuper(loc, cs1); | |
| 8978 | |
| 8979 | |
| 8980 // If either operand is void, the result is void | |
| 8981 t1 = e1->type; | |
| 8982 t2 = e2->type; | |
| 8983 if (t1->ty == Tvoid || t2->ty == Tvoid) | |
| 8984 type = Type::tvoid; | |
| 8985 else if (t1 == t2) | |
| 8986 type = t1; | |
| 8987 else | |
| 8988 { | |
| 8989 typeCombine(sc); | |
| 8990 switch (e1->type->toBasetype()->ty) | |
| 8991 { | |
| 8992 case Tcomplex32: | |
| 8993 case Tcomplex64: | |
| 8994 case Tcomplex80: | |
| 8995 e2 = e2->castTo(sc, e1->type); | |
| 8996 break; | |
| 8997 } | |
| 8998 switch (e2->type->toBasetype()->ty) | |
| 8999 { | |
| 9000 case Tcomplex32: | |
| 9001 case Tcomplex64: | |
| 9002 case Tcomplex80: | |
| 9003 e1 = e1->castTo(sc, e2->type); | |
| 9004 break; | |
| 9005 } | |
| 9006 } | |
| 9007 return this; | |
| 9008 } | |
| 9009 | |
| 9010 Expression *CondExp::toLvalue(Scope *sc, Expression *ex) | |
| 9011 { | |
| 9012 PtrExp *e; | |
| 9013 | |
| 9014 // convert (econd ? e1 : e2) to *(econd ? &e1 : &e2) | |
| 9015 e = new PtrExp(loc, this, type); | |
| 9016 | |
| 9017 e1 = e1->addressOf(sc); | |
| 9018 //e1 = e1->toLvalue(sc, NULL); | |
| 9019 | |
| 9020 e2 = e2->addressOf(sc); | |
| 9021 //e2 = e2->toLvalue(sc, NULL); | |
| 9022 | |
| 9023 typeCombine(sc); | |
| 9024 | |
| 9025 type = e2->type; | |
| 9026 return e; | |
| 9027 } | |
| 9028 | |
| 9029 Expression *CondExp::modifiableLvalue(Scope *sc, Expression *e) | |
| 9030 { | |
| 9031 error("conditional expression %s is not a modifiable lvalue", toChars()); | |
| 9032 return this; | |
| 9033 } | |
| 9034 | |
| 9035 void CondExp::checkEscape() | |
| 9036 { | |
| 9037 e1->checkEscape(); | |
| 9038 e2->checkEscape(); | |
| 9039 } | |
| 9040 | |
| 9041 | |
| 9042 Expression *CondExp::checkToBoolean() | |
| 9043 { | |
| 9044 e1 = e1->checkToBoolean(); | |
| 9045 e2 = e2->checkToBoolean(); | |
| 9046 return this; | |
| 9047 } | |
| 9048 | |
| 9049 int CondExp::checkSideEffect(int flag) | |
| 9050 { | |
| 9051 if (flag == 2) | |
| 9052 { | |
| 9053 return econd->checkSideEffect(2) || | |
| 9054 e1->checkSideEffect(2) || | |
| 9055 e2->checkSideEffect(2); | |
| 9056 } | |
| 9057 else | |
| 9058 { | |
| 9059 econd->checkSideEffect(1); | |
| 9060 e1->checkSideEffect(flag); | |
| 9061 return e2->checkSideEffect(flag); | |
| 9062 } | |
| 9063 } | |
| 9064 | |
| 9065 void CondExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 9066 { | |
| 9067 expToCBuffer(buf, hgs, econd, PREC_oror); | |
| 9068 buf->writestring(" ? "); | |
| 9069 expToCBuffer(buf, hgs, e1, PREC_expr); | |
| 9070 buf->writestring(" : "); | |
| 9071 expToCBuffer(buf, hgs, e2, PREC_cond); | |
| 9072 } | |
| 9073 | |
|
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
|
9074 /************************************************************/ |
|
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
|
9075 |
|
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
|
9076 #if IN_LLVM |
|
4435f57956e7
Fixed .funcptr property of delegates, no longer uses the infamous DMD rewrites to pointer arithmetic, instead a GEPExp has been introduced.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
585
diff
changeset
|
9077 |
|
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
|
9078 // Strictly LLVMDC specific stuff |
|
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
|
9079 |
|
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
|
9080 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
|
9081 : 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
|
9082 { |
|
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
|
9083 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
|
9084 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
|
9085 } |
|
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
|
9086 |
|
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
|
9087 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
|
9088 { |
|
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
|
9089 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
|
9090 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
|
9091 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
|
9092 } |
|
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
|
9093 |
|
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
|
9094 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
|
9095 { |
|
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
|
9096 // 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
|
9097 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
|
9098 } |
|
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
|
9099 |
|
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
|
9100 #endif |