Mercurial > projects > ldc
annotate dmd/template.c @ 1610:4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
bugzilla 2229 ICE(template.c) instantiating an invalid variadic template
with more than one argument.
---
dmd/template.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
| author | Leandro Lucarella <llucax@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2010 15:18:21 -0300 |
| parents | 1d0220dd613a |
| children | 3da302cc4966 |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Compiler implementation of the D programming language | |
|
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3 // Copyright (c) 1999-2009 by Digital Mars |
| 336 | 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 // Handle template implementation | |
| 12 | |
| 13 #include <stdio.h> | |
| 14 #include <assert.h> | |
| 15 | |
| 16 #if !IN_LLVM | |
| 17 #endif | |
| 18 #include "root.h" | |
|
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19 #include "rmem.h" |
| 336 | 20 #include "stringtable.h" |
| 21 #include "mars.h" | |
| 22 #include "identifier.h" | |
| 23 #include "mtype.h" | |
| 24 #include "template.h" | |
| 25 #include "init.h" | |
| 26 #include "expression.h" | |
| 27 #include "scope.h" | |
| 28 #include "module.h" | |
| 29 #include "aggregate.h" | |
| 30 #include "declaration.h" | |
| 31 #include "dsymbol.h" | |
| 32 #include "hdrgen.h" | |
| 33 | |
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34 #if WINDOWS_SEH |
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35 #include <windows.h> |
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36 long __cdecl __ehfilter(LPEXCEPTION_POINTERS ep); |
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37 #endif |
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38 |
| 336 | 39 #define LOG 0 |
| 40 | |
| 41 /******************************************** | |
| 42 * These functions substitute for dynamic_cast. dynamic_cast does not work | |
| 43 * on earlier versions of gcc. | |
| 44 */ | |
| 45 | |
| 46 Expression *isExpression(Object *o) | |
| 47 { | |
| 48 //return dynamic_cast<Expression *>(o); | |
| 49 if (!o || o->dyncast() != DYNCAST_EXPRESSION) | |
| 50 return NULL; | |
| 51 return (Expression *)o; | |
| 52 } | |
| 53 | |
| 54 Dsymbol *isDsymbol(Object *o) | |
| 55 { | |
| 56 //return dynamic_cast<Dsymbol *>(o); | |
| 57 if (!o || o->dyncast() != DYNCAST_DSYMBOL) | |
| 58 return NULL; | |
| 59 return (Dsymbol *)o; | |
| 60 } | |
| 61 | |
| 62 Type *isType(Object *o) | |
| 63 { | |
| 64 //return dynamic_cast<Type *>(o); | |
| 65 if (!o || o->dyncast() != DYNCAST_TYPE) | |
| 66 return NULL; | |
| 67 return (Type *)o; | |
| 68 } | |
| 69 | |
| 70 Tuple *isTuple(Object *o) | |
| 71 { | |
| 72 //return dynamic_cast<Tuple *>(o); | |
| 73 if (!o || o->dyncast() != DYNCAST_TUPLE) | |
| 74 return NULL; | |
| 75 return (Tuple *)o; | |
| 76 } | |
| 77 | |
| 78 | |
| 79 /*********************** | |
| 80 * Try to get arg as a type. | |
| 81 */ | |
| 82 | |
| 83 Type *getType(Object *o) | |
| 84 { | |
| 85 Type *t = isType(o); | |
| 86 if (!t) | |
| 87 { Expression *e = isExpression(o); | |
| 88 if (e) | |
| 89 t = e->type; | |
| 90 } | |
| 91 return t; | |
| 92 } | |
| 93 | |
| 94 Dsymbol *getDsymbol(Object *oarg) | |
| 95 { | |
| 96 Dsymbol *sa; | |
| 97 Expression *ea = isExpression(oarg); | |
| 98 if (ea) | |
| 99 { // Try to convert Expression to symbol | |
| 100 if (ea->op == TOKvar) | |
| 101 sa = ((VarExp *)ea)->var; | |
| 102 else if (ea->op == TOKfunction) | |
| 103 sa = ((FuncExp *)ea)->fd; | |
| 104 else | |
| 105 sa = NULL; | |
| 106 } | |
| 107 else | |
| 108 { // Try to convert Type to symbol | |
| 109 Type *ta = isType(oarg); | |
| 110 if (ta) | |
| 111 sa = ta->toDsymbol(NULL); | |
| 112 else | |
| 113 sa = isDsymbol(oarg); // if already a symbol | |
| 114 } | |
| 115 return sa; | |
| 116 } | |
| 117 | |
| 118 /****************************** | |
| 119 * If o1 matches o2, return 1. | |
| 120 * Else, return 0. | |
| 121 */ | |
| 122 | |
| 123 int match(Object *o1, Object *o2, TemplateDeclaration *tempdecl, Scope *sc) | |
| 124 { | |
| 125 Type *t1 = isType(o1); | |
| 126 Type *t2 = isType(o2); | |
| 127 Expression *e1 = isExpression(o1); | |
| 128 Expression *e2 = isExpression(o2); | |
| 129 Dsymbol *s1 = isDsymbol(o1); | |
| 130 Dsymbol *s2 = isDsymbol(o2); | |
| 131 Tuple *v1 = isTuple(o1); | |
| 132 Tuple *v2 = isTuple(o2); | |
| 133 | |
| 134 //printf("\t match t1 %p t2 %p, e1 %p e2 %p, s1 %p s2 %p, v1 %p v2 %p\n", t1,t2,e1,e2,s1,s2,v1,v2); | |
| 135 | |
| 136 /* A proper implementation of the various equals() overrides | |
| 137 * should make it possible to just do o1->equals(o2), but | |
| 138 * we'll do that another day. | |
| 139 */ | |
| 140 | |
| 141 if (t1) | |
| 142 { | |
| 143 /* if t1 is an instance of ti, then give error | |
| 144 * about recursive expansions. | |
| 145 */ | |
| 146 Dsymbol *s = t1->toDsymbol(sc); | |
| 147 if (s && s->parent) | |
| 148 { TemplateInstance *ti1 = s->parent->isTemplateInstance(); | |
| 149 if (ti1 && ti1->tempdecl == tempdecl) | |
| 150 { | |
| 151 for (Scope *sc1 = sc; sc1; sc1 = sc1->enclosing) | |
| 152 { | |
| 153 if (sc1->scopesym == ti1) | |
| 154 { | |
| 155 error("recursive template expansion for template argument %s", t1->toChars()); | |
| 156 return 1; // fake a match | |
| 157 } | |
| 158 } | |
| 159 } | |
| 160 } | |
| 161 | |
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162 //printf("t1 = %s\n", t1->toChars()); |
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163 //printf("t2 = %s\n", t2->toChars()); |
| 336 | 164 if (!t2 || !t1->equals(t2)) |
| 165 goto Lnomatch; | |
| 166 } | |
| 167 else if (e1) | |
| 168 { | |
| 169 #if 0 | |
| 170 if (e1 && e2) | |
| 171 { | |
| 172 printf("match %d\n", e1->equals(e2)); | |
| 173 e1->print(); | |
| 174 e2->print(); | |
| 175 e1->type->print(); | |
| 176 e2->type->print(); | |
| 177 } | |
| 178 #endif | |
| 179 if (!e2) | |
| 180 goto Lnomatch; | |
| 181 if (!e1->equals(e2)) | |
| 182 goto Lnomatch; | |
| 183 } | |
| 184 else if (s1) | |
| 185 { | |
| 186 //printf("%p %s, %p %s\n", s1, s1->toChars(), s2, s2->toChars()); | |
| 187 if (!s2 || !s1->equals(s2) || s1->parent != s2->parent) | |
| 188 { | |
| 189 goto Lnomatch; | |
| 190 } | |
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191 #if DMDV2 |
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192 VarDeclaration *v1 = s1->isVarDeclaration(); |
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193 VarDeclaration *v2 = s2->isVarDeclaration(); |
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194 if (v1 && v2 && v1->storage_class & v2->storage_class & STCmanifest) |
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195 { ExpInitializer *ei1 = v1->init->isExpInitializer(); |
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196 ExpInitializer *ei2 = v2->init->isExpInitializer(); |
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197 if (ei1 && ei2 && !ei1->exp->equals(ei2->exp)) |
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198 goto Lnomatch; |
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199 } |
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200 #endif |
| 336 | 201 } |
| 202 else if (v1) | |
| 203 { | |
| 204 if (!v2) | |
| 205 goto Lnomatch; | |
| 206 if (v1->objects.dim != v2->objects.dim) | |
| 207 goto Lnomatch; | |
| 208 for (size_t i = 0; i < v1->objects.dim; i++) | |
| 209 { | |
| 210 if (!match((Object *)v1->objects.data[i], | |
| 211 (Object *)v2->objects.data[i], | |
| 212 tempdecl, sc)) | |
| 213 goto Lnomatch; | |
| 214 } | |
| 215 } | |
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216 //printf("match\n"); |
| 336 | 217 return 1; // match |
| 218 Lnomatch: | |
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219 //printf("nomatch\n"); |
| 336 | 220 return 0; // nomatch; |
| 221 } | |
| 222 | |
| 223 /**************************************** | |
| 224 */ | |
| 225 | |
| 226 void ObjectToCBuffer(OutBuffer *buf, HdrGenState *hgs, Object *oarg) | |
| 227 { | |
| 228 //printf("ObjectToCBuffer()\n"); | |
| 229 Type *t = isType(oarg); | |
| 230 Expression *e = isExpression(oarg); | |
| 231 Dsymbol *s = isDsymbol(oarg); | |
| 232 Tuple *v = isTuple(oarg); | |
| 233 if (t) | |
| 234 { //printf("\tt: %s ty = %d\n", t->toChars(), t->ty); | |
| 235 t->toCBuffer(buf, NULL, hgs); | |
| 236 } | |
| 237 else if (e) | |
| 238 e->toCBuffer(buf, hgs); | |
| 239 else if (s) | |
| 240 { | |
| 241 char *p = s->ident ? s->ident->toChars() : s->toChars(); | |
| 242 buf->writestring(p); | |
| 243 } | |
| 244 else if (v) | |
| 245 { | |
| 246 Objects *args = &v->objects; | |
| 247 for (size_t i = 0; i < args->dim; i++) | |
| 248 { | |
| 249 if (i) | |
| 250 buf->writeByte(','); | |
| 251 Object *o = (Object *)args->data[i]; | |
| 252 ObjectToCBuffer(buf, hgs, o); | |
| 253 } | |
| 254 } | |
| 255 else if (!oarg) | |
| 256 { | |
| 257 buf->writestring("NULL"); | |
| 258 } | |
| 259 else | |
| 260 { | |
| 261 #ifdef DEBUG | |
| 262 printf("bad Object = %p\n", oarg); | |
| 263 #endif | |
| 264 assert(0); | |
| 265 } | |
| 266 } | |
| 267 | |
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268 #if DMDV2 |
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269 Object *objectSyntaxCopy(Object *o) |
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270 { |
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271 if (!o) |
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272 return NULL; |
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273 Type *t = isType(o); |
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274 if (t) |
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275 return t->syntaxCopy(); |
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276 Expression *e = isExpression(o); |
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277 if (e) |
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278 return e->syntaxCopy(); |
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279 return o; |
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280 } |
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281 #endif |
| 336 | 282 |
| 283 | |
| 284 /* ======================== TemplateDeclaration ============================= */ | |
| 285 | |
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286 TemplateDeclaration::TemplateDeclaration(Loc loc, Identifier *id, |
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287 TemplateParameters *parameters, Expression *constraint, Array *decldefs) |
| 336 | 288 : ScopeDsymbol(id) |
| 289 { | |
| 290 #if LOG | |
| 291 printf("TemplateDeclaration(this = %p, id = '%s')\n", this, id->toChars()); | |
| 292 #endif | |
| 293 #if 0 | |
| 294 if (parameters) | |
| 295 for (int i = 0; i < parameters->dim; i++) | |
| 296 { TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 297 //printf("\tparameter[%d] = %p\n", i, tp); | |
| 298 TemplateTypeParameter *ttp = tp->isTemplateTypeParameter(); | |
| 299 | |
| 300 if (ttp) | |
| 301 { | |
| 302 printf("\tparameter[%d] = %s : %s\n", i, tp->ident->toChars(), ttp->specType ? ttp->specType->toChars() : ""); | |
| 303 } | |
| 304 } | |
| 305 #endif | |
| 306 this->loc = loc; | |
| 307 this->parameters = parameters; | |
| 308 this->origParameters = parameters; | |
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309 this->constraint = constraint; |
| 336 | 310 this->members = decldefs; |
| 311 this->overnext = NULL; | |
| 312 this->overroot = NULL; | |
| 1587 | 313 this->semanticRun = 0; |
| 336 | 314 this->onemember = NULL; |
| 315 } | |
| 316 | |
| 317 Dsymbol *TemplateDeclaration::syntaxCopy(Dsymbol *) | |
| 318 { | |
| 319 //printf("TemplateDeclaration::syntaxCopy()\n"); | |
| 320 TemplateDeclaration *td; | |
| 321 TemplateParameters *p; | |
| 322 Array *d; | |
| 323 | |
| 324 p = NULL; | |
| 325 if (parameters) | |
| 326 { | |
| 327 p = new TemplateParameters(); | |
| 328 p->setDim(parameters->dim); | |
| 329 for (int i = 0; i < p->dim; i++) | |
| 330 { TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 331 p->data[i] = (void *)tp->syntaxCopy(); | |
| 332 } | |
| 333 } | |
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334 Expression *e = NULL; |
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335 if (constraint) |
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336 e = constraint->syntaxCopy(); |
| 336 | 337 d = Dsymbol::arraySyntaxCopy(members); |
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338 td = new TemplateDeclaration(loc, ident, p, e, d); |
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339 |
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340 #if IN_LLVM |
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341 // LDC |
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342 td->intrinsicName = intrinsicName; |
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343 #endif |
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344 |
| 336 | 345 return td; |
| 346 } | |
| 347 | |
| 348 void TemplateDeclaration::semantic(Scope *sc) | |
| 349 { | |
| 350 #if LOG | |
| 351 printf("TemplateDeclaration::semantic(this = %p, id = '%s')\n", this, ident->toChars()); | |
| 352 #endif | |
| 1587 | 353 if (semanticRun) |
| 336 | 354 return; // semantic() already run |
| 1587 | 355 semanticRun = 1; |
| 336 | 356 |
| 357 if (sc->func) | |
| 358 { | |
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359 #if DMDV1 |
| 336 | 360 error("cannot declare template at function scope %s", sc->func->toChars()); |
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361 #endif |
| 336 | 362 } |
| 363 | |
| 364 if (/*global.params.useArrayBounds &&*/ sc->module) | |
| 365 { | |
| 366 // Generate this function as it may be used | |
| 367 // when template is instantiated in other modules | |
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368 |
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diff
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|
369 // FIXME: LDC |
|
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* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
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|
370 //sc->module->toModuleArray(); |
| 336 | 371 } |
| 372 | |
| 373 if (/*global.params.useAssert &&*/ sc->module) | |
| 374 { | |
| 375 // Generate this function as it may be used | |
| 376 // when template is instantiated in other modules | |
|
1146
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diff
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|
377 |
|
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* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
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diff
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|
378 // FIXME: LDC |
|
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* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
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diff
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|
379 //sc->module->toModuleAssert(); |
| 336 | 380 } |
| 381 | |
| 382 /* Remember Scope for later instantiations, but make | |
| 383 * a copy since attributes can change. | |
| 384 */ | |
| 385 this->scope = new Scope(*sc); | |
| 386 this->scope->setNoFree(); | |
| 387 | |
| 388 // Set up scope for parameters | |
| 389 ScopeDsymbol *paramsym = new ScopeDsymbol(); | |
| 390 paramsym->parent = sc->parent; | |
| 391 Scope *paramscope = sc->push(paramsym); | |
| 392 paramscope->parameterSpecialization = 1; | |
|
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|
393 paramscope->stc = 0; |
| 336 | 394 |
| 395 if (global.params.doDocComments) | |
| 396 { | |
| 397 origParameters = new TemplateParameters(); | |
| 398 origParameters->setDim(parameters->dim); | |
| 399 for (int i = 0; i < parameters->dim; i++) | |
| 400 { | |
| 401 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 402 origParameters->data[i] = (void *)tp->syntaxCopy(); | |
| 403 } | |
| 404 } | |
| 405 | |
| 406 for (int i = 0; i < parameters->dim; i++) | |
| 407 { | |
| 408 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 409 | |
| 410 tp->declareParameter(paramscope); | |
| 411 } | |
| 412 | |
| 413 for (int i = 0; i < parameters->dim; i++) | |
| 414 { | |
| 415 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 416 | |
| 417 tp->semantic(paramscope); | |
| 418 if (i + 1 != parameters->dim && tp->isTemplateTupleParameter()) | |
| 419 error("template tuple parameter must be last one"); | |
| 420 } | |
| 421 | |
| 422 paramscope->pop(); | |
| 423 | |
| 424 if (members) | |
| 425 { | |
| 426 Dsymbol *s; | |
| 427 if (Dsymbol::oneMembers(members, &s)) | |
| 428 { | |
| 429 if (s && s->ident && s->ident->equals(ident)) | |
| 430 { | |
| 431 onemember = s; | |
| 432 s->parent = this; | |
| 433 } | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 /* BUG: should check: | |
| 438 * o no virtual functions or non-static data members of classes | |
| 439 */ | |
| 440 } | |
| 441 | |
| 442 const char *TemplateDeclaration::kind() | |
| 443 { | |
| 444 return (onemember && onemember->isAggregateDeclaration()) | |
| 445 ? onemember->kind() | |
| 446 : (char *)"template"; | |
| 447 } | |
| 448 | |
| 449 /********************************** | |
| 450 * Overload existing TemplateDeclaration 'this' with the new one 's'. | |
| 451 * Return !=0 if successful; i.e. no conflict. | |
| 452 */ | |
| 453 | |
| 454 int TemplateDeclaration::overloadInsert(Dsymbol *s) | |
| 455 { | |
| 456 TemplateDeclaration **pf; | |
| 457 TemplateDeclaration *f; | |
| 458 | |
| 459 #if LOG | |
| 460 printf("TemplateDeclaration::overloadInsert('%s')\n", s->toChars()); | |
| 461 #endif | |
| 462 f = s->isTemplateDeclaration(); | |
| 463 if (!f) | |
| 464 return FALSE; | |
| 465 TemplateDeclaration *pthis = this; | |
| 466 for (pf = &pthis; *pf; pf = &(*pf)->overnext) | |
| 467 { | |
| 468 #if 0 | |
| 469 // Conflict if TemplateParameter's match | |
| 470 // Will get caught anyway later with TemplateInstance, but | |
| 471 // should check it now. | |
| 472 TemplateDeclaration *f2 = *pf; | |
| 473 | |
| 474 if (f->parameters->dim != f2->parameters->dim) | |
| 475 goto Lcontinue; | |
| 476 | |
| 477 for (int i = 0; i < f->parameters->dim; i++) | |
| 478 { TemplateParameter *p1 = (TemplateParameter *)f->parameters->data[i]; | |
| 479 TemplateParameter *p2 = (TemplateParameter *)f2->parameters->data[i]; | |
| 480 | |
| 481 if (!p1->overloadMatch(p2)) | |
| 482 goto Lcontinue; | |
| 483 } | |
| 484 | |
| 485 #if LOG | |
| 486 printf("\tfalse: conflict\n"); | |
| 487 #endif | |
| 488 return FALSE; | |
| 489 | |
| 490 Lcontinue: | |
| 491 ; | |
| 492 #endif | |
| 493 } | |
| 494 | |
| 495 f->overroot = this; | |
| 496 *pf = f; | |
| 497 #if LOG | |
| 498 printf("\ttrue: no conflict\n"); | |
| 499 #endif | |
| 500 return TRUE; | |
| 501 } | |
| 502 | |
| 503 /*************************************** | |
| 504 * Given that ti is an instance of this TemplateDeclaration, | |
| 505 * deduce the types of the parameters to this, and store | |
| 506 * those deduced types in dedtypes[]. | |
| 507 * Input: | |
| 508 * flag 1: don't do semantic() because of dummy types | |
| 509 * 2: don't change types in matchArg() | |
| 510 * Output: | |
| 511 * dedtypes deduced arguments | |
| 512 * Return match level. | |
| 513 */ | |
| 514 | |
| 515 MATCH TemplateDeclaration::matchWithInstance(TemplateInstance *ti, | |
| 516 Objects *dedtypes, int flag) | |
| 517 { MATCH m; | |
| 518 int dedtypes_dim = dedtypes->dim; | |
| 519 | |
| 520 #define LOGM 0 | |
| 521 #if LOGM | |
| 522 printf("\n+TemplateDeclaration::matchWithInstance(this = %s, ti = %s, flag = %d)\n", toChars(), ti->toChars(), flag); | |
| 523 #endif | |
| 524 | |
| 525 #if 0 | |
| 526 printf("dedtypes->dim = %d, parameters->dim = %d\n", dedtypes_dim, parameters->dim); | |
| 527 if (ti->tiargs->dim) | |
| 528 printf("ti->tiargs->dim = %d, [0] = %p\n", | |
| 529 ti->tiargs->dim, | |
| 530 ti->tiargs->data[0]); | |
| 531 #endif | |
| 532 dedtypes->zero(); | |
| 533 | |
| 534 int parameters_dim = parameters->dim; | |
| 535 int variadic = isVariadic() != NULL; | |
| 536 | |
| 537 // If more arguments than parameters, no match | |
| 538 if (ti->tiargs->dim > parameters_dim && !variadic) | |
| 539 { | |
| 540 #if LOGM | |
| 541 printf(" no match: more arguments than parameters\n"); | |
| 542 #endif | |
| 543 return MATCHnomatch; | |
| 544 } | |
| 545 | |
| 546 assert(dedtypes_dim == parameters_dim); | |
| 547 assert(dedtypes_dim >= ti->tiargs->dim || variadic); | |
| 548 | |
| 549 // Set up scope for parameters | |
| 550 assert((size_t)scope > 0x10000); | |
| 551 ScopeDsymbol *paramsym = new ScopeDsymbol(); | |
| 552 paramsym->parent = scope->parent; | |
| 553 Scope *paramscope = scope->push(paramsym); | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
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parents:
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diff
changeset
|
554 paramscope->stc = 0; |
| 336 | 555 |
| 556 // Attempt type deduction | |
| 557 m = MATCHexact; | |
| 558 for (int i = 0; i < dedtypes_dim; i++) | |
| 559 { MATCH m2; | |
| 560 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 561 Declaration *sparam; | |
| 562 | |
| 563 //printf("\targument [%d]\n", i); | |
| 564 #if LOGM | |
| 565 //printf("\targument [%d] is %s\n", i, oarg ? oarg->toChars() : "null"); | |
| 566 TemplateTypeParameter *ttp = tp->isTemplateTypeParameter(); | |
| 567 if (ttp) | |
| 568 printf("\tparameter[%d] is %s : %s\n", i, tp->ident->toChars(), ttp->specType ? ttp->specType->toChars() : ""); | |
| 569 #endif | |
| 570 | |
| 571 #if DMDV1 | |
| 572 m2 = tp->matchArg(paramscope, ti->tiargs, i, parameters, dedtypes, &sparam); | |
| 573 #else | |
| 574 m2 = tp->matchArg(paramscope, ti->tiargs, i, parameters, dedtypes, &sparam, (flag & 2) ? 1 : 0); | |
| 575 | |
| 576 #endif | |
| 577 //printf("\tm2 = %d\n", m2); | |
| 578 | |
| 579 if (m2 == MATCHnomatch) | |
| 580 { | |
| 581 #if 0 | |
| 582 printf("\tmatchArg() for parameter %i failed\n", i); | |
| 583 #endif | |
| 584 goto Lnomatch; | |
| 585 } | |
| 586 | |
| 587 if (m2 < m) | |
| 588 m = m2; | |
| 589 | |
| 590 if (!flag) | |
| 591 sparam->semantic(paramscope); | |
| 592 if (!paramscope->insert(sparam)) | |
| 593 goto Lnomatch; | |
| 594 } | |
| 595 | |
| 596 if (!flag) | |
| 597 { | |
|
875
330f999ade44
Merged DMD 1.038
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|
598 /* Any parameter left without a type gets the type of |
|
330f999ade44
Merged DMD 1.038
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diff
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|
599 * its corresponding arg |
|
330f999ade44
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diff
changeset
|
600 */ |
| 336 | 601 for (int i = 0; i < dedtypes_dim; i++) |
| 602 { | |
| 603 if (!dedtypes->data[i]) | |
| 604 { assert(i < ti->tiargs->dim); | |
| 605 dedtypes->data[i] = ti->tiargs->data[i]; | |
| 606 } | |
| 607 } | |
| 608 } | |
| 609 | |
|
875
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Merged DMD 1.038
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diff
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|
610 #if DMDV2 |
|
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diff
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|
611 if (m && constraint && !(flag & 1)) |
|
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Merged DMD 1.038
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diff
changeset
|
612 { /* Check to see if constraint is satisfied. |
|
330f999ade44
Merged DMD 1.038
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diff
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|
613 */ |
|
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diff
changeset
|
614 Expression *e = constraint->syntaxCopy(); |
|
330f999ade44
Merged DMD 1.038
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664
diff
changeset
|
615 paramscope->flags |= SCOPEstaticif; |
|
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Merged DMD 1.038
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diff
changeset
|
616 e = e->semantic(paramscope); |
|
330f999ade44
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diff
changeset
|
617 e = e->optimize(WANTvalue | WANTinterpret); |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
618 if (e->isBool(TRUE)) |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
619 ; |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
620 else if (e->isBool(FALSE)) |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
621 goto Lnomatch; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
622 else |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
623 { |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
624 e->error("constraint %s is not constant or does not evaluate to a bool", e->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
625 } |
|
330f999ade44
Merged DMD 1.038
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parents:
664
diff
changeset
|
626 } |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
627 #endif |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
628 |
| 336 | 629 #if LOGM |
| 630 // Print out the results | |
| 631 printf("--------------------------\n"); | |
| 632 printf("template %s\n", toChars()); | |
| 633 printf("instance %s\n", ti->toChars()); | |
| 634 if (m) | |
| 635 { | |
| 636 for (int i = 0; i < dedtypes_dim; i++) | |
| 637 { | |
| 638 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 639 Object *oarg; | |
| 640 | |
| 641 printf(" [%d]", i); | |
| 642 | |
| 643 if (i < ti->tiargs->dim) | |
| 644 oarg = (Object *)ti->tiargs->data[i]; | |
| 645 else | |
| 646 oarg = NULL; | |
| 647 tp->print(oarg, (Object *)dedtypes->data[i]); | |
| 648 } | |
| 649 } | |
| 650 else | |
| 651 goto Lnomatch; | |
| 652 #endif | |
| 653 | |
| 654 #if LOGM | |
| 655 printf(" match = %d\n", m); | |
| 656 #endif | |
| 657 goto Lret; | |
| 658 | |
| 659 Lnomatch: | |
| 660 #if LOGM | |
| 661 printf(" no match\n"); | |
| 662 #endif | |
| 663 m = MATCHnomatch; | |
| 664 | |
| 665 Lret: | |
| 666 paramscope->pop(); | |
| 667 #if LOGM | |
| 668 printf("-TemplateDeclaration::matchWithInstance(this = %p, ti = %p) = %d\n", this, ti, m); | |
| 669 #endif | |
| 670 return m; | |
| 671 } | |
| 672 | |
| 673 /******************************************** | |
| 674 * Determine partial specialization order of 'this' vs td2. | |
| 675 * Returns: | |
|
1195
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Merged DMD 1.042.
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1174
diff
changeset
|
676 * match this is at least as specialized as td2 |
| 336 | 677 * 0 td2 is more specialized than this |
| 678 */ | |
| 679 | |
|
1195
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|
680 MATCH TemplateDeclaration::leastAsSpecialized(TemplateDeclaration *td2) |
| 336 | 681 { |
| 682 /* This works by taking the template parameters to this template | |
| 683 * declaration and feeding them to td2 as if it were a template | |
| 684 * instance. | |
| 685 * If it works, then this template is at least as specialized | |
| 686 * as td2. | |
| 687 */ | |
| 688 | |
| 689 TemplateInstance ti(0, ident); // create dummy template instance | |
| 690 Objects dedtypes; | |
| 691 | |
| 692 #define LOG_LEASTAS 0 | |
| 693 | |
| 694 #if LOG_LEASTAS | |
| 695 printf("%s.leastAsSpecialized(%s)\n", toChars(), td2->toChars()); | |
| 696 #endif | |
| 697 | |
| 698 // Set type arguments to dummy template instance to be types | |
| 699 // generated from the parameters to this template declaration | |
| 700 ti.tiargs = new Objects(); | |
| 701 ti.tiargs->setDim(parameters->dim); | |
| 702 for (int i = 0; i < ti.tiargs->dim; i++) | |
| 703 { | |
| 704 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 705 | |
| 706 void *p = tp->dummyArg(); | |
| 707 if (p) | |
| 708 ti.tiargs->data[i] = p; | |
| 709 else | |
| 710 ti.tiargs->setDim(i); | |
| 711 } | |
| 712 | |
| 713 // Temporary Array to hold deduced types | |
| 714 //dedtypes.setDim(parameters->dim); | |
| 715 dedtypes.setDim(td2->parameters->dim); | |
| 716 | |
| 717 // Attempt a type deduction | |
|
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Merged DMD 1.042.
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diff
changeset
|
718 MATCH m = td2->matchWithInstance(&ti, &dedtypes, 1); |
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diff
changeset
|
719 if (m) |
| 336 | 720 { |
| 721 /* A non-variadic template is more specialized than a | |
| 722 * variadic one. | |
| 723 */ | |
| 724 if (isVariadic() && !td2->isVariadic()) | |
| 725 goto L1; | |
| 726 | |
| 727 #if LOG_LEASTAS | |
|
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Merged DMD 1.042.
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diff
changeset
|
728 printf(" matches %d, so is least as specialized\n", m); |
| 336 | 729 #endif |
|
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diff
changeset
|
730 return m; |
| 336 | 731 } |
| 732 L1: | |
| 733 #if LOG_LEASTAS | |
| 734 printf(" doesn't match, so is not as specialized\n"); | |
| 735 #endif | |
|
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Merged DMD 1.042.
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diff
changeset
|
736 return MATCHnomatch; |
| 336 | 737 } |
| 738 | |
| 739 | |
| 740 /************************************************* | |
| 741 * Match function arguments against a specific template function. | |
| 742 * Input: | |
|
875
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Merged DMD 1.038
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parents:
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diff
changeset
|
743 * loc instantiation location |
| 336 | 744 * targsi Expression/Type initial list of template arguments |
|
875
330f999ade44
Merged DMD 1.038
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diff
changeset
|
745 * ethis 'this' argument if !NULL |
| 336 | 746 * fargs arguments to function |
| 747 * Output: | |
| 748 * dedargs Expression/Type deduced template arguments | |
| 749 * Returns: | |
| 750 * match level | |
| 751 */ | |
| 752 | |
|
875
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Merged DMD 1.038
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diff
changeset
|
753 MATCH TemplateDeclaration::deduceFunctionTemplateMatch(Loc loc, Objects *targsi, |
|
330f999ade44
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diff
changeset
|
754 Expression *ethis, Expressions *fargs, |
| 336 | 755 Objects *dedargs) |
| 756 { | |
| 757 size_t i; | |
| 758 size_t nfparams; | |
| 759 size_t nfargs; | |
| 760 size_t nargsi; // array size of targsi | |
| 761 int fptupindex = -1; | |
| 762 int tuple_dim = 0; | |
| 763 MATCH match = MATCHexact; | |
| 764 FuncDeclaration *fd = onemember->toAlias()->isFuncDeclaration(); | |
| 765 TypeFunction *fdtype; // type of fd | |
| 766 Objects dedtypes; // for T:T*, the dedargs is the T*, dedtypes is the T | |
| 767 | |
| 768 #if 0 | |
| 769 printf("\nTemplateDeclaration::deduceFunctionTemplateMatch() %s\n", toChars()); | |
| 770 for (i = 0; i < fargs->dim; i++) | |
| 771 { Expression *e = (Expression *)fargs->data[i]; | |
| 772 printf("\tfarg[%d] is %s, type is %s\n", i, e->toChars(), e->type->toChars()); | |
| 773 } | |
| 774 #endif | |
| 775 | |
| 776 assert((size_t)scope > 0x10000); | |
| 777 | |
| 778 dedargs->setDim(parameters->dim); | |
| 779 dedargs->zero(); | |
| 780 | |
| 781 dedtypes.setDim(parameters->dim); | |
| 782 dedtypes.zero(); | |
| 783 | |
| 784 // Set up scope for parameters | |
| 785 ScopeDsymbol *paramsym = new ScopeDsymbol(); | |
| 786 paramsym->parent = scope->parent; | |
| 787 Scope *paramscope = scope->push(paramsym); | |
| 788 | |
|
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Merged DMD 1.042.
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changeset
|
789 TemplateTupleParameter *tp = isVariadic(); |
|
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diff
changeset
|
790 |
|
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Merged DMD 1.042.
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diff
changeset
|
791 #if 0 |
|
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Merged DMD 1.042.
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changeset
|
792 for (i = 0; i < dedargs->dim; i++) |
|
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
793 { |
|
e961851fb8be
Merged DMD 1.042.
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1174
diff
changeset
|
794 printf("\tdedarg[%d] = ", i); |
|
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Merged DMD 1.042.
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parents:
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diff
changeset
|
795 Object *oarg = (Object *)dedargs->data[i]; |
|
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Merged DMD 1.042.
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diff
changeset
|
796 if (oarg) printf("%s", oarg->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
797 printf("\n"); |
|
e961851fb8be
Merged DMD 1.042.
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diff
changeset
|
798 } |
|
e961851fb8be
Merged DMD 1.042.
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diff
changeset
|
799 #endif |
|
e961851fb8be
Merged DMD 1.042.
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diff
changeset
|
800 |
| 336 | 801 |
| 802 nargsi = 0; | |
| 803 if (targsi) | |
| 804 { // Set initial template arguments | |
| 805 | |
| 806 nargsi = targsi->dim; | |
| 1587 | 807 size_t n = parameters->dim; |
| 808 if (nargsi > n) | |
| 336 | 809 { if (!tp) |
| 810 goto Lnomatch; | |
| 811 dedargs->setDim(nargsi); | |
| 812 dedargs->zero(); | |
| 813 } | |
| 1587 | 814 else |
| 815 n = nargsi; | |
| 816 | |
|
1610
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
Leandro Lucarella <llucax@gmail.com>
parents:
1609
diff
changeset
|
817 /* Test case for nargsi instead of n: |
|
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
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parents:
1609
diff
changeset
|
818 * string foo(T...)() { return ""; } |
|
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
Leandro Lucarella <llucax@gmail.com>
parents:
1609
diff
changeset
|
819 * void main() { foo!(int, char)(); } |
|
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
Leandro Lucarella <llucax@gmail.com>
parents:
1609
diff
changeset
|
820 */ |
|
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
Leandro Lucarella <llucax@gmail.com>
parents:
1609
diff
changeset
|
821 //memcpy(dedargs->data, targsi->data, n * sizeof(*dedargs->data)); |
|
4f63d530861f
Merge DMD r276: bugzilla 2229 ICE(template.c) instantiating an invalid...
Leandro Lucarella <llucax@gmail.com>
parents:
1609
diff
changeset
|
822 memcpy(dedargs->data, targsi->data, nargsi * sizeof(*dedargs->data)); |
| 1587 | 823 |
| 824 for (size_t i = 0; i < n; i++) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
825 { assert(i < parameters->dim); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
826 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; |
| 336 | 827 MATCH m; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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diff
changeset
|
828 Declaration *sparam = NULL; |
| 336 | 829 |
| 830 m = tp->matchArg(paramscope, dedargs, i, parameters, &dedtypes, &sparam); | |
| 831 //printf("\tdeduceType m = %d\n", m); | |
| 832 if (m == MATCHnomatch) | |
| 833 goto Lnomatch; | |
| 834 if (m < match) | |
| 835 match = m; | |
| 836 | |
| 837 sparam->semantic(paramscope); | |
| 838 if (!paramscope->insert(sparam)) | |
| 839 goto Lnomatch; | |
| 840 } | |
| 841 } | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
842 #if 0 |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
843 for (i = 0; i < dedargs->dim; i++) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
844 { |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
845 printf("\tdedarg[%d] = ", i); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
846 Object *oarg = (Object *)dedargs->data[i]; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
847 if (oarg) printf("%s", oarg->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
848 printf("\n"); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
849 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
850 #endif |
| 336 | 851 |
| 852 assert(fd->type->ty == Tfunction); | |
| 853 fdtype = (TypeFunction *)fd->type; | |
| 854 | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
855 nfparams = Parameter::dim(fdtype->parameters); // number of function parameters |
| 1587 | 856 nfargs = fargs ? fargs->dim : 0; // number of function arguments |
| 336 | 857 |
| 858 /* Check for match of function arguments with variadic template | |
| 859 * parameter, such as: | |
| 860 * | |
| 861 * template Foo(T, A...) { void Foo(T t, A a); } | |
| 862 * void main() { Foo(1,2,3); } | |
| 863 */ | |
| 864 if (tp) // if variadic | |
| 865 { | |
| 1587 | 866 if (nfparams == 0 && nfargs != 0) // if no function parameters |
| 336 | 867 { |
| 868 Tuple *t = new Tuple(); | |
| 869 //printf("t = %p\n", t); | |
| 870 dedargs->data[parameters->dim - 1] = (void *)t; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
871 declareParameter(paramscope, tp, t); |
| 336 | 872 goto L2; |
| 873 } | |
| 874 else if (nfargs < nfparams - 1) | |
| 875 goto L1; | |
| 876 else | |
| 877 { | |
| 878 /* Figure out which of the function parameters matches | |
| 879 * the tuple template parameter. Do this by matching | |
| 880 * type identifiers. | |
| 881 * Set the index of this function parameter to fptupindex. | |
| 882 */ | |
| 883 for (fptupindex = 0; fptupindex < nfparams; fptupindex++) | |
| 884 { | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
885 Parameter *fparam = (Parameter *)fdtype->parameters->data[fptupindex]; |
| 336 | 886 if (fparam->type->ty != Tident) |
| 887 continue; | |
| 888 TypeIdentifier *tid = (TypeIdentifier *)fparam->type; | |
| 889 if (!tp->ident->equals(tid->ident) || tid->idents.dim) | |
| 890 continue; | |
| 891 | |
| 892 if (fdtype->varargs) // variadic function doesn't | |
| 893 goto Lnomatch; // go with variadic template | |
| 894 | |
| 895 /* The types of the function arguments | |
| 896 * now form the tuple argument. | |
| 897 */ | |
| 898 Tuple *t = new Tuple(); | |
| 899 dedargs->data[parameters->dim - 1] = (void *)t; | |
| 900 | |
| 901 tuple_dim = nfargs - (nfparams - 1); | |
| 902 t->objects.setDim(tuple_dim); | |
| 903 for (i = 0; i < tuple_dim; i++) | |
| 904 { Expression *farg = (Expression *)fargs->data[fptupindex + i]; | |
| 905 t->objects.data[i] = (void *)farg->type; | |
| 906 } | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
907 declareParameter(paramscope, tp, t); |
| 336 | 908 goto L2; |
| 909 } | |
| 910 fptupindex = -1; | |
| 911 } | |
| 912 } | |
| 913 | |
| 914 L1: | |
| 915 if (nfparams == nfargs) | |
| 916 ; | |
| 917 else if (nfargs > nfparams) | |
| 918 { | |
| 919 if (fdtype->varargs == 0) | |
| 920 goto Lnomatch; // too many args, no match | |
| 921 match = MATCHconvert; // match ... with a conversion | |
| 922 } | |
| 923 | |
| 924 L2: | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
925 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
926 // Match 'ethis' to any TemplateThisParameter's |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
927 if (ethis) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
928 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
929 for (size_t i = 0; i < parameters->dim; i++) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
930 { TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
931 TemplateThisParameter *ttp = tp->isTemplateThisParameter(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
932 if (ttp) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
933 { MATCH m; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
934 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
935 Type *t = new TypeIdentifier(0, ttp->ident); |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
936 m = ethis->type->deduceType(paramscope, t, parameters, &dedtypes); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
937 if (!m) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
938 goto Lnomatch; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
939 if (m < match) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
940 match = m; // pick worst match |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
941 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
942 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
943 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
944 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
945 |
| 336 | 946 // Loop through the function parameters |
| 947 for (i = 0; i < nfparams; i++) | |
| 948 { | |
| 949 /* Skip over function parameters which wound up | |
| 950 * as part of a template tuple parameter. | |
| 951 */ | |
| 952 if (i == fptupindex) | |
| 953 { if (fptupindex == nfparams - 1) | |
| 954 break; | |
| 955 i += tuple_dim - 1; | |
| 956 continue; | |
| 957 } | |
| 958 | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
959 Parameter *fparam = Parameter::getNth(fdtype->parameters, i); |
| 336 | 960 |
| 961 if (i >= nfargs) // if not enough arguments | |
| 962 { | |
| 963 if (fparam->defaultArg) | |
| 964 { /* Default arguments do not participate in template argument | |
| 965 * deduction. | |
| 966 */ | |
| 967 goto Lmatch; | |
| 968 } | |
| 969 } | |
| 970 else | |
| 971 { Expression *farg = (Expression *)fargs->data[i]; | |
| 972 #if 0 | |
| 973 printf("\tfarg->type = %s\n", farg->type->toChars()); | |
| 974 printf("\tfparam->type = %s\n", fparam->type->toChars()); | |
| 975 #endif | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
976 Type *argtype = farg->type; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
977 |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
978 #if DMDV2 |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
979 /* Allow string literals which are type [] to match with [dim] |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
980 */ |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
981 if (farg->op == TOKstring) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
982 { StringExp *se = (StringExp *)farg; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
983 if (!se->committed && argtype->ty == Tarray && |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
984 fparam->type->toBasetype()->ty == Tsarray) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
985 { |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
986 argtype = new TypeSArray(argtype->nextOf(), new IntegerExp(se->loc, se->len, Type::tindex)); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
987 argtype = argtype->semantic(se->loc, NULL); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
988 argtype = argtype->invariantOf(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
989 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
990 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
991 #endif |
| 336 | 992 |
| 993 MATCH m; | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
994 m = argtype->deduceType(paramscope, fparam->type, parameters, &dedtypes); |
| 336 | 995 //printf("\tdeduceType m = %d\n", m); |
| 996 | |
| 997 /* If no match, see if there's a conversion to a delegate | |
| 998 */ | |
| 999 if (!m && fparam->type->toBasetype()->ty == Tdelegate) | |
| 1000 { | |
| 1001 TypeDelegate *td = (TypeDelegate *)fparam->type->toBasetype(); | |
| 1002 TypeFunction *tf = (TypeFunction *)td->next; | |
| 1003 | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
1004 if (!tf->varargs && Parameter::dim(tf->parameters) == 0) |
| 336 | 1005 { |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1006 m = farg->type->deduceType(paramscope, tf->next, parameters, &dedtypes); |
| 336 | 1007 if (!m && tf->next->toBasetype()->ty == Tvoid) |
| 1008 m = MATCHconvert; | |
| 1009 } | |
| 1010 //printf("\tm2 = %d\n", m); | |
| 1011 } | |
| 1012 | |
| 1013 if (m) | |
| 1014 { if (m < match) | |
| 1015 match = m; // pick worst match | |
| 1016 continue; | |
| 1017 } | |
| 1018 } | |
| 1019 | |
| 1020 /* The following code for variadic arguments closely | |
| 1021 * matches TypeFunction::callMatch() | |
| 1022 */ | |
| 1023 if (!(fdtype->varargs == 2 && i + 1 == nfparams)) | |
| 1024 goto Lnomatch; | |
| 1025 | |
| 1026 /* Check for match with function parameter T... | |
| 1027 */ | |
| 1028 Type *tb = fparam->type->toBasetype(); | |
| 1029 switch (tb->ty) | |
| 1030 { | |
| 1031 // Perhaps we can do better with this, see TypeFunction::callMatch() | |
| 1032 case Tsarray: | |
| 1033 { TypeSArray *tsa = (TypeSArray *)tb; | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1034 dinteger_t sz = tsa->dim->toInteger(); |
| 336 | 1035 if (sz != nfargs - i) |
| 1036 goto Lnomatch; | |
| 1037 } | |
| 1038 case Tarray: | |
| 1039 { TypeArray *ta = (TypeArray *)tb; | |
| 1040 for (; i < nfargs; i++) | |
| 1041 { | |
| 1042 Expression *arg = (Expression *)fargs->data[i]; | |
| 1043 assert(arg); | |
| 1044 MATCH m; | |
| 1045 /* If lazy array of delegates, | |
| 1046 * convert arg(s) to delegate(s) | |
| 1047 */ | |
| 1048 Type *tret = fparam->isLazyArray(); | |
| 1049 if (tret) | |
| 1050 { | |
| 1051 if (ta->next->equals(arg->type)) | |
| 1052 { m = MATCHexact; | |
| 1053 } | |
| 1054 else | |
| 1055 { | |
| 1056 m = arg->implicitConvTo(tret); | |
| 1057 if (m == MATCHnomatch) | |
| 1058 { | |
| 1059 if (tret->toBasetype()->ty == Tvoid) | |
| 1060 m = MATCHconvert; | |
| 1061 } | |
| 1062 } | |
| 1063 } | |
| 1064 else | |
| 1065 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1066 m = arg->type->deduceType(paramscope, ta->next, parameters, &dedtypes); |
| 336 | 1067 //m = arg->implicitConvTo(ta->next); |
| 1068 } | |
| 1069 if (m == MATCHnomatch) | |
| 1070 goto Lnomatch; | |
| 1071 if (m < match) | |
| 1072 match = m; | |
| 1073 } | |
| 1074 goto Lmatch; | |
| 1075 } | |
| 1076 case Tclass: | |
| 1077 case Tident: | |
| 1078 goto Lmatch; | |
| 1079 | |
| 1080 default: | |
| 1081 goto Lnomatch; | |
| 1082 } | |
| 1083 } | |
| 1084 | |
| 1085 Lmatch: | |
| 1086 | |
| 1087 /* Fill in any missing arguments with their defaults. | |
| 1088 */ | |
| 1089 for (i = nargsi; i < dedargs->dim; i++) | |
| 1090 { | |
| 1091 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1092 //printf("tp[%d] = %s\n", i, tp->ident->toChars()); | |
| 1093 /* For T:T*, the dedargs is the T*, dedtypes is the T | |
| 1094 * But for function templates, we really need them to match | |
| 1095 */ | |
| 1096 Object *oarg = (Object *)dedargs->data[i]; | |
| 1097 Object *oded = (Object *)dedtypes.data[i]; | |
| 1098 //printf("1dedargs[%d] = %p, dedtypes[%d] = %p\n", i, oarg, i, oded); | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1099 //if (oarg) printf("oarg: %s\n", oarg->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1100 //if (oded) printf("oded: %s\n", oded->toChars()); |
| 336 | 1101 if (!oarg) |
| 1102 { | |
| 1103 if (oded) | |
| 1104 { | |
| 1105 if (tp->specialization()) | |
| 1106 { /* The specialization can work as long as afterwards | |
| 1107 * the oded == oarg | |
| 1108 */ | |
| 1109 Declaration *sparam; | |
| 1110 dedargs->data[i] = (void *)oded; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
1111 MATCH m2 = tp->matchArg(paramscope, dedargs, i, parameters, &dedtypes, &sparam, 0); |
| 336 | 1112 //printf("m2 = %d\n", m2); |
| 1113 if (!m2) | |
| 1114 goto Lnomatch; | |
| 1115 if (m2 < match) | |
| 1116 match = m2; // pick worst match | |
| 1117 if (dedtypes.data[i] != oded) | |
| 1118 error("specialization not allowed for deduced parameter %s", tp->ident->toChars()); | |
| 1119 } | |
| 1120 } | |
| 1121 else | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1122 { oded = tp->defaultArg(loc, paramscope); |
| 336 | 1123 if (!oded) |
| 1124 goto Lnomatch; | |
| 1125 } | |
| 1126 declareParameter(paramscope, tp, oded); | |
| 1127 dedargs->data[i] = (void *)oded; | |
| 1128 } | |
| 1129 } | |
| 1130 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1131 #if DMDV2 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1132 if (constraint) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1133 { /* Check to see if constraint is satisfied. |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1134 */ |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1135 Expression *e = constraint->syntaxCopy(); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1136 paramscope->flags |= SCOPEstaticif; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1137 e = e->semantic(paramscope); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1138 e = e->optimize(WANTvalue | WANTinterpret); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1139 if (e->isBool(TRUE)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1140 ; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1141 else if (e->isBool(FALSE)) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1142 goto Lnomatch; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1143 else |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1144 { |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1145 e->error("constraint %s is not constant or does not evaluate to a bool", e->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1146 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1147 } |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1148 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
1149 |
| 336 | 1150 #if 0 |
| 1151 for (i = 0; i < dedargs->dim; i++) | |
| 1152 { Type *t = (Type *)dedargs->data[i]; | |
| 1153 printf("\tdedargs[%d] = %d, %s\n", i, t->dyncast(), t->toChars()); | |
| 1154 } | |
| 1155 #endif | |
| 1156 | |
| 1157 paramscope->pop(); | |
| 1158 //printf("\tmatch %d\n", match); | |
| 1159 return match; | |
| 1160 | |
| 1161 Lnomatch: | |
| 1162 paramscope->pop(); | |
| 1163 //printf("\tnomatch\n"); | |
| 1164 return MATCHnomatch; | |
| 1165 } | |
| 1166 | |
| 1167 /************************************************** | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
1168 * Declare template parameter tp with value o, and install it in the scope sc. |
| 336 | 1169 */ |
| 1170 | |
| 1171 void TemplateDeclaration::declareParameter(Scope *sc, TemplateParameter *tp, Object *o) | |
| 1172 { | |
| 1173 //printf("TemplateDeclaration::declareParameter('%s', o = %p)\n", tp->ident->toChars(), o); | |
| 1174 | |
| 1175 Type *targ = isType(o); | |
| 1176 Expression *ea = isExpression(o); | |
| 1177 Dsymbol *sa = isDsymbol(o); | |
| 1178 Tuple *va = isTuple(o); | |
| 1179 | |
| 1180 Dsymbol *s; | |
| 1181 | |
|
1195
e961851fb8be
Merged DMD 1.042.
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parents:
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diff
changeset
|
1182 // See if tp->ident already exists with a matching definition |
|
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Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1183 Dsymbol *scopesym; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1184 s = sc->search(loc, tp->ident, &scopesym); |
|
e961851fb8be
Merged DMD 1.042.
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parents:
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diff
changeset
|
1185 if (s && scopesym == sc->scopesym) |
|
e961851fb8be
Merged DMD 1.042.
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parents:
1174
diff
changeset
|
1186 { |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1187 TupleDeclaration *td = s->isTupleDeclaration(); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1188 if (va && td) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1189 { Tuple tup; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1190 tup.objects = *td->objects; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1191 if (match(va, &tup, this, sc)) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1192 { |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1193 return; |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1194 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1195 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1196 } |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1197 |
| 336 | 1198 if (targ) |
| 1199 { | |
| 1200 //printf("type %s\n", targ->toChars()); | |
| 1201 s = new AliasDeclaration(0, tp->ident, targ); | |
| 1202 } | |
| 1203 else if (sa) | |
| 1204 { | |
| 1205 //printf("Alias %s %s;\n", sa->ident->toChars(), tp->ident->toChars()); | |
| 1206 s = new AliasDeclaration(0, tp->ident, sa); | |
| 1207 } | |
| 1208 else if (ea) | |
| 1209 { | |
| 1210 // tdtypes.data[i] always matches ea here | |
| 1211 Initializer *init = new ExpInitializer(loc, ea); | |
| 1212 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 1213 assert(tvp); | |
| 1214 | |
| 1215 VarDeclaration *v = new VarDeclaration(loc, tvp->valType, tp->ident, init); | |
| 1216 v->storage_class = STCconst; | |
| 1217 s = v; | |
| 1218 } | |
| 1219 else if (va) | |
| 1220 { | |
| 1221 //printf("\ttuple\n"); | |
| 1222 s = new TupleDeclaration(loc, tp->ident, &va->objects); | |
| 1223 } | |
| 1224 else | |
| 1225 { | |
| 1226 #ifdef DEBUG | |
| 1227 o->print(); | |
| 1228 #endif | |
| 1229 assert(0); | |
| 1230 } | |
| 1231 if (!sc->insert(s)) | |
| 1232 error("declaration %s is already defined", tp->ident->toChars()); | |
| 1233 s->semantic(sc); | |
| 1234 } | |
| 1235 | |
| 1236 /************************************** | |
| 1237 * Determine if TemplateDeclaration is variadic. | |
| 1238 */ | |
| 1239 | |
| 1240 TemplateTupleParameter *isVariadic(TemplateParameters *parameters) | |
| 1241 { size_t dim = parameters->dim; | |
| 1242 TemplateTupleParameter *tp = NULL; | |
| 1243 | |
| 1244 if (dim) | |
| 1245 tp = ((TemplateParameter *)parameters->data[dim - 1])->isTemplateTupleParameter(); | |
| 1246 return tp; | |
| 1247 } | |
| 1248 | |
| 1249 TemplateTupleParameter *TemplateDeclaration::isVariadic() | |
| 1250 { | |
| 1251 return ::isVariadic(parameters); | |
| 1252 } | |
| 1253 | |
| 1254 /*********************************** | |
| 1255 * We can overload templates. | |
| 1256 */ | |
| 1257 | |
| 1258 int TemplateDeclaration::isOverloadable() | |
| 1259 { | |
| 1260 return 1; | |
| 1261 } | |
| 1262 | |
| 1263 /************************************************* | |
| 1264 * Given function arguments, figure out which template function | |
| 1265 * to expand, and return that function. | |
| 1266 * If no match, give error message and return NULL. | |
| 1267 * Input: | |
| 1268 * sc instantiation scope | |
| 1269 * loc instantiation location | |
| 1270 * targsi initial list of template arguments | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1271 * ethis if !NULL, the 'this' pointer argument |
| 336 | 1272 * fargs arguments to function |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1273 * flags 1: do not issue error message on no match, just return NULL |
| 336 | 1274 */ |
| 1275 | |
| 1276 FuncDeclaration *TemplateDeclaration::deduceFunctionTemplate(Scope *sc, Loc loc, | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1277 Objects *targsi, Expression *ethis, Expressions *fargs, int flags) |
| 336 | 1278 { |
| 1279 MATCH m_best = MATCHnomatch; | |
| 1280 TemplateDeclaration *td_ambig = NULL; | |
| 1281 TemplateDeclaration *td_best = NULL; | |
| 1282 Objects *tdargs = new Objects(); | |
| 1283 TemplateInstance *ti; | |
| 1284 FuncDeclaration *fd; | |
| 1285 | |
| 1286 #if 0 | |
| 1287 printf("TemplateDeclaration::deduceFunctionTemplate() %s\n", toChars()); | |
| 1288 printf(" targsi:\n"); | |
| 1289 if (targsi) | |
| 1290 { for (int i = 0; i < targsi->dim; i++) | |
| 1291 { Object *arg = (Object *)targsi->data[i]; | |
| 1292 printf("\t%s\n", arg->toChars()); | |
| 1293 } | |
| 1294 } | |
| 1295 printf(" fargs:\n"); | |
| 1296 for (int i = 0; i < fargs->dim; i++) | |
| 1297 { Expression *arg = (Expression *)fargs->data[i]; | |
| 1298 printf("\t%s %s\n", arg->type->toChars(), arg->toChars()); | |
| 1299 //printf("\tty = %d\n", arg->type->ty); | |
| 1300 } | |
| 1301 #endif | |
| 1302 | |
| 1303 for (TemplateDeclaration *td = this; td; td = td->overnext) | |
| 1304 { | |
| 1587 | 1305 if (!td->semanticRun) |
| 336 | 1306 { |
| 1307 error("forward reference to template %s", td->toChars()); | |
| 1308 goto Lerror; | |
| 1309 } | |
| 1310 if (!td->onemember || !td->onemember->toAlias()->isFuncDeclaration()) | |
| 1311 { | |
| 1312 error("is not a function template"); | |
| 1313 goto Lerror; | |
| 1314 } | |
| 1315 | |
| 1316 MATCH m; | |
| 1317 Objects dedargs; | |
| 1318 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1319 m = td->deduceFunctionTemplateMatch(loc, targsi, ethis, fargs, &dedargs); |
| 336 | 1320 //printf("deduceFunctionTemplateMatch = %d\n", m); |
| 1321 if (!m) // if no match | |
| 1322 continue; | |
| 1323 | |
| 1324 if (m < m_best) | |
| 1325 goto Ltd_best; | |
| 1326 if (m > m_best) | |
| 1327 goto Ltd; | |
| 1328 | |
| 1329 { | |
| 1330 // Disambiguate by picking the most specialized TemplateDeclaration | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1331 MATCH c1 = td->leastAsSpecialized(td_best); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1332 MATCH c2 = td_best->leastAsSpecialized(td); |
| 336 | 1333 //printf("c1 = %d, c2 = %d\n", c1, c2); |
| 1334 | |
| 1335 if (c1 > c2) | |
| 1336 goto Ltd; | |
| 1337 else if (c1 < c2) | |
| 1338 goto Ltd_best; | |
| 1339 else | |
| 1340 goto Lambig; | |
| 1341 } | |
| 1342 | |
| 1343 Lambig: // td_best and td are ambiguous | |
| 1344 td_ambig = td; | |
| 1345 continue; | |
| 1346 | |
| 1347 Ltd_best: // td_best is the best match so far | |
| 1348 td_ambig = NULL; | |
| 1349 continue; | |
| 1350 | |
| 1351 Ltd: // td is the new best match | |
| 1352 td_ambig = NULL; | |
| 1353 assert((size_t)td->scope > 0x10000); | |
| 1354 td_best = td; | |
| 1355 m_best = m; | |
| 1356 tdargs->setDim(dedargs.dim); | |
| 1357 memcpy(tdargs->data, dedargs.data, tdargs->dim * sizeof(void *)); | |
| 1358 continue; | |
| 1359 } | |
| 1360 if (!td_best) | |
| 1361 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1362 error(loc, "does not match any function template declaration"); |
| 336 | 1363 goto Lerror; |
| 1364 } | |
| 1365 if (td_ambig) | |
| 1366 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
1367 error(loc, "matches more than one function template declaration:\n %s\nand:\n %s", |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
1368 td_best->toChars(), td_ambig->toChars()); |
| 336 | 1369 } |
| 1370 | |
| 1371 /* The best match is td_best with arguments tdargs. | |
| 1372 * Now instantiate the template. | |
| 1373 */ | |
| 1374 assert((size_t)td_best->scope > 0x10000); | |
| 1375 ti = new TemplateInstance(loc, td_best, tdargs); | |
| 1376 ti->semantic(sc); | |
| 1377 fd = ti->toAlias()->isFuncDeclaration(); | |
| 1378 if (!fd) | |
| 1379 goto Lerror; | |
| 1380 return fd; | |
| 1381 | |
| 1382 Lerror: | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1383 #if DMDV2 |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1384 if (!(flags & 1)) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
1385 #endif |
| 336 | 1386 { |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1387 HdrGenState hgs; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1388 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1389 OutBuffer bufa; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1390 Objects *args = targsi; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
1391 if (args) |
|
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Merged DMD 1.038
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|
1392 { for (int i = 0; i < args->dim; i++) |
|
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1393 { |
|
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1394 if (i) |
|
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|
1395 bufa.writeByte(','); |
|
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|
1396 Object *oarg = (Object *)args->data[i]; |
|
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|
1397 ObjectToCBuffer(&bufa, &hgs, oarg); |
|
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|
1398 } |
|
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|
1399 } |
|
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|
1400 |
| 336 | 1401 OutBuffer buf; |
| 1402 argExpTypesToCBuffer(&buf, fargs, &hgs); | |
|
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|
1403 error(loc, "cannot deduce template function from argument types !(%s)(%s)", |
|
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Merged DMD 1.038
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|
1404 bufa.toChars(), buf.toChars()); |
| 336 | 1405 } |
|
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|
1406 return NULL; |
| 336 | 1407 } |
| 1408 | |
| 1409 void TemplateDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1410 { | |
| 1411 #if 0 // Should handle template functions | |
| 1412 if (onemember && onemember->isFuncDeclaration()) | |
| 1413 buf->writestring("foo "); | |
| 1414 #endif | |
| 1415 buf->writestring(kind()); | |
| 1416 buf->writeByte(' '); | |
| 1417 buf->writestring(ident->toChars()); | |
| 1418 buf->writeByte('('); | |
| 1419 for (int i = 0; i < parameters->dim; i++) | |
| 1420 { | |
| 1421 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1422 if (hgs->ddoc) | |
| 1423 tp = (TemplateParameter *)origParameters->data[i]; | |
| 1424 if (i) | |
| 1425 buf->writeByte(','); | |
| 1426 tp->toCBuffer(buf, hgs); | |
| 1427 } | |
| 1428 buf->writeByte(')'); | |
|
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|
1429 #if DMDV2 |
|
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|
1430 if (constraint) |
|
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Merged DMD 1.038
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diff
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|
1431 { buf->writestring(" if ("); |
|
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Merged DMD 1.038
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diff
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|
1432 constraint->toCBuffer(buf, hgs); |
|
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Merged DMD 1.038
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diff
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|
1433 buf->writeByte(')'); |
|
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diff
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|
1434 } |
|
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|
1435 #endif |
| 336 | 1436 |
| 1437 if (hgs->hdrgen) | |
| 1438 { | |
| 1439 hgs->tpltMember++; | |
| 1440 buf->writenl(); | |
| 1441 buf->writebyte('{'); | |
| 1442 buf->writenl(); | |
| 1443 for (int i = 0; i < members->dim; i++) | |
| 1444 { | |
| 1445 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 1446 s->toCBuffer(buf, hgs); | |
| 1447 } | |
| 1448 buf->writebyte('}'); | |
| 1449 buf->writenl(); | |
| 1450 hgs->tpltMember--; | |
| 1451 } | |
| 1452 } | |
| 1453 | |
| 1454 | |
| 1455 char *TemplateDeclaration::toChars() | |
| 1456 { OutBuffer buf; | |
| 1457 HdrGenState hgs; | |
| 1458 | |
| 1459 memset(&hgs, 0, sizeof(hgs)); | |
| 1460 buf.writestring(ident->toChars()); | |
| 1461 buf.writeByte('('); | |
| 1462 for (int i = 0; i < parameters->dim; i++) | |
| 1463 { | |
| 1464 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1465 if (i) | |
| 1466 buf.writeByte(','); | |
| 1467 tp->toCBuffer(&buf, &hgs); | |
| 1468 } | |
| 1469 buf.writeByte(')'); | |
|
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|
1470 #if DMDV2 |
|
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|
1471 if (constraint) |
|
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|
1472 { buf.writestring(" if ("); |
|
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Merged DMD 1.038
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|
1473 constraint->toCBuffer(&buf, &hgs); |
|
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Merged DMD 1.038
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|
1474 buf.writeByte(')'); |
|
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|
1475 } |
|
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|
1476 #endif |
| 336 | 1477 buf.writeByte(0); |
| 1478 return (char *)buf.extractData(); | |
| 1479 } | |
| 1480 | |
| 1481 /* ======================== Type ============================================ */ | |
| 1482 | |
| 1483 /**** | |
| 1484 * Given an identifier, figure out which TemplateParameter it is. | |
| 1485 * Return -1 if not found. | |
| 1486 */ | |
| 1487 | |
| 1488 int templateIdentifierLookup(Identifier *id, TemplateParameters *parameters) | |
| 1489 { | |
| 1490 for (size_t i = 0; i < parameters->dim; i++) | |
| 1491 { TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1492 | |
| 1493 if (tp->ident->equals(id)) | |
| 1494 return i; | |
| 1495 } | |
| 1496 return -1; | |
| 1497 } | |
| 1498 | |
| 1499 int templateParameterLookup(Type *tparam, TemplateParameters *parameters) | |
| 1500 { | |
| 1501 assert(tparam->ty == Tident); | |
| 1502 TypeIdentifier *tident = (TypeIdentifier *)tparam; | |
| 1503 //printf("\ttident = '%s'\n", tident->toChars()); | |
| 1504 if (tident->idents.dim == 0) | |
| 1505 { | |
| 1506 return templateIdentifierLookup(tident->ident, parameters); | |
| 1507 } | |
| 1508 return -1; | |
| 1509 } | |
| 1510 | |
| 1511 /* These form the heart of template argument deduction. | |
| 1512 * Given 'this' being the type argument to the template instance, | |
| 1513 * it is matched against the template declaration parameter specialization | |
| 1514 * 'tparam' to determine the type to be used for the parameter. | |
| 1515 * Example: | |
| 1516 * template Foo(T:T*) // template declaration | |
| 1517 * Foo!(int*) // template instantiation | |
| 1518 * Input: | |
| 1519 * this = int* | |
| 1520 * tparam = T | |
| 1521 * parameters = [ T:T* ] // Array of TemplateParameter's | |
| 1522 * Output: | |
| 1523 * dedtypes = [ int ] // Array of Expression/Type's | |
| 1524 */ | |
| 1525 | |
| 1526 MATCH Type::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, | |
| 1527 Objects *dedtypes) | |
| 1528 { | |
|
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|
1529 #if 0 |
|
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Merged DMD 1.038
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|
1530 printf("Type::deduceType()\n"); |
|
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Merged DMD 1.038
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|
1531 printf("\tthis = %d, ", ty); print(); |
|
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Merged DMD 1.038
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|
1532 printf("\ttparam = %d, ", tparam->ty); tparam->print(); |
|
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|
1533 #endif |
| 336 | 1534 if (!tparam) |
| 1535 goto Lnomatch; | |
| 1536 | |
| 1537 if (this == tparam) | |
| 1538 goto Lexact; | |
| 1539 | |
| 1540 if (tparam->ty == Tident) | |
| 1541 { | |
| 1542 // Determine which parameter tparam is | |
| 1543 int i = templateParameterLookup(tparam, parameters); | |
| 1544 if (i == -1) | |
| 1545 { | |
| 1546 if (!sc) | |
| 1547 goto Lnomatch; | |
| 1548 | |
| 1549 /* Need a loc to go with the semantic routine. | |
| 1550 */ | |
| 1551 Loc loc; | |
| 1552 if (parameters->dim) | |
| 1553 { | |
| 1554 TemplateParameter *tp = (TemplateParameter *)parameters->data[0]; | |
| 1555 loc = tp->loc; | |
| 1556 } | |
| 1557 | |
| 1558 /* BUG: what if tparam is a template instance, that | |
| 1559 * has as an argument another Tident? | |
| 1560 */ | |
| 1561 tparam = tparam->semantic(loc, sc); | |
| 1562 assert(tparam->ty != Tident); | |
| 1563 return deduceType(sc, tparam, parameters, dedtypes); | |
| 1564 } | |
| 1565 | |
| 1566 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1567 | |
| 1568 // Found the corresponding parameter tp | |
| 1569 if (!tp->isTemplateTypeParameter()) | |
| 1570 goto Lnomatch; | |
| 1571 Type *at = (Type *)dedtypes->data[i]; | |
| 1572 if (!at) | |
| 1573 { | |
| 1574 dedtypes->data[i] = (void *)this; | |
| 1575 goto Lexact; | |
| 1576 } | |
| 1577 if (equals(at)) | |
| 1578 goto Lexact; | |
| 1579 else if (ty == Tclass && at->ty == Tclass) | |
| 1580 { | |
| 1581 return (MATCH) implicitConvTo(at); | |
| 1582 } | |
| 1583 else if (ty == Tsarray && at->ty == Tarray && | |
| 1584 nextOf()->equals(at->nextOf())) | |
| 1585 { | |
| 1586 goto Lexact; | |
| 1587 } | |
| 1588 else | |
| 1589 goto Lnomatch; | |
| 1590 } | |
| 1591 | |
| 1592 if (ty != tparam->ty) | |
| 1593 return implicitConvTo(tparam); | |
| 1594 // goto Lnomatch; | |
| 1595 | |
| 1596 if (nextOf()) | |
| 1597 return nextOf()->deduceType(sc, tparam->nextOf(), parameters, dedtypes); | |
| 1598 | |
| 1599 Lexact: | |
| 1600 return MATCHexact; | |
| 1601 | |
| 1602 Lnomatch: | |
| 1603 return MATCHnomatch; | |
|
1195
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|
1604 |
|
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|
1605 #if DMDV2 |
|
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|
1606 Lconst: |
|
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|
1607 return MATCHconst; |
|
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|
1608 #endif |
| 336 | 1609 } |
| 1610 | |
|
1195
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Merged DMD 1.042.
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|
1611 #if DMDV2 |
|
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|
1612 MATCH TypeDArray::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, |
|
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|
1613 Objects *dedtypes) |
|
e961851fb8be
Merged DMD 1.042.
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|
1614 { |
|
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Merged DMD 1.042.
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|
1615 #if 0 |
|
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Merged DMD 1.042.
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|
1616 printf("TypeDArray::deduceType()\n"); |
|
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Merged DMD 1.042.
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|
1617 printf("\tthis = %d, ", ty); print(); |
|
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Merged DMD 1.042.
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diff
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|
1618 printf("\ttparam = %d, ", tparam->ty); tparam->print(); |
|
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Merged DMD 1.042.
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|
1619 #endif |
|
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Merged DMD 1.042.
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diff
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|
1620 return Type::deduceType(sc, tparam, parameters, dedtypes); |
|
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Merged DMD 1.042.
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|
1621 |
|
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diff
changeset
|
1622 Lnomatch: |
|
e961851fb8be
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diff
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|
1623 return MATCHnomatch; |
|
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Merged DMD 1.042.
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diff
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|
1624 } |
|
e961851fb8be
Merged DMD 1.042.
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changeset
|
1625 #endif |
|
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Merged DMD 1.042.
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|
1626 |
| 336 | 1627 MATCH TypeSArray::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, |
| 1628 Objects *dedtypes) | |
| 1629 { | |
| 1630 #if 0 | |
| 1631 printf("TypeSArray::deduceType()\n"); | |
| 1632 printf("\tthis = %d, ", ty); print(); | |
| 1633 printf("\ttparam = %d, ", tparam->ty); tparam->print(); | |
| 1634 #endif | |
| 1635 | |
| 1636 // Extra check that array dimensions must match | |
| 1637 if (tparam) | |
| 1638 { | |
| 1639 if (tparam->ty == Tsarray) | |
| 1640 { | |
| 1641 TypeSArray *tp = (TypeSArray *)tparam; | |
| 1642 | |
| 1643 if (tp->dim->op == TOKvar && | |
| 1644 ((VarExp *)tp->dim)->var->storage_class & STCtemplateparameter) | |
| 1645 { int i = templateIdentifierLookup(((VarExp *)tp->dim)->var->ident, parameters); | |
| 1646 // This code matches code in TypeInstance::deduceType() | |
| 1647 if (i == -1) | |
| 1648 goto Lnomatch; | |
| 1649 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1650 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 1651 if (!tvp) | |
| 1652 goto Lnomatch; | |
| 1653 Expression *e = (Expression *)dedtypes->data[i]; | |
| 1654 if (e) | |
| 1655 { | |
| 1656 if (!dim->equals(e)) | |
| 1657 goto Lnomatch; | |
| 1658 } | |
| 1659 else | |
| 1660 { Type *vt = tvp->valType->semantic(0, sc); | |
| 1661 MATCH m = (MATCH)dim->implicitConvTo(vt); | |
| 1662 if (!m) | |
| 1663 goto Lnomatch; | |
| 1664 dedtypes->data[i] = dim; | |
| 1665 } | |
| 1666 } | |
| 1667 else if (dim->toInteger() != tp->dim->toInteger()) | |
| 1668 return MATCHnomatch; | |
| 1669 } | |
| 1670 else if (tparam->ty == Taarray) | |
| 1671 { | |
| 1672 TypeAArray *tp = (TypeAArray *)tparam; | |
| 1673 if (tp->index->ty == Tident) | |
| 1674 { TypeIdentifier *tident = (TypeIdentifier *)tp->index; | |
| 1675 | |
| 1676 if (tident->idents.dim == 0) | |
| 1677 { Identifier *id = tident->ident; | |
| 1678 | |
| 1679 for (size_t i = 0; i < parameters->dim; i++) | |
| 1680 { | |
| 1681 TemplateParameter *tp = (TemplateParameter *)parameters->data[i]; | |
| 1682 | |
| 1683 if (tp->ident->equals(id)) | |
| 1684 { // Found the corresponding template parameter | |
| 1685 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 1686 if (!tvp || !tvp->valType->isintegral()) | |
| 1687 goto Lnomatch; | |
| 1688 | |
| 1689 if (dedtypes->data[i]) | |
| 1690 { | |
| 1691 if (!dim->equals((Object *)dedtypes->data[i])) | |
| 1692 goto Lnomatch; | |
| 1693 } | |
| 1694 else | |
| 1695 { dedtypes->data[i] = (void *)dim; | |
| 1696 } | |
| 1697 return next->deduceType(sc, tparam->nextOf(), parameters, dedtypes); | |
| 1698 } | |
| 1699 } | |
| 1700 } | |
| 1701 } | |
| 1702 } | |
| 1703 else if (tparam->ty == Tarray) | |
| 1704 { MATCH m; | |
| 1705 | |
| 1706 m = next->deduceType(sc, tparam->nextOf(), parameters, dedtypes); | |
| 1707 if (m == MATCHexact) | |
| 1708 m = MATCHconvert; | |
| 1709 return m; | |
| 1710 } | |
| 1711 } | |
| 1712 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 1713 | |
| 1714 Lnomatch: | |
| 1715 return MATCHnomatch; | |
| 1716 } | |
| 1717 | |
| 1718 MATCH TypeAArray::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 1719 { | |
| 1720 #if 0 | |
| 1721 printf("TypeAArray::deduceType()\n"); | |
| 1722 printf("\tthis = %d, ", ty); print(); | |
| 1723 printf("\ttparam = %d, ", tparam->ty); tparam->print(); | |
| 1724 #endif | |
| 1725 | |
| 1726 // Extra check that index type must match | |
| 1727 if (tparam && tparam->ty == Taarray) | |
| 1728 { | |
| 1729 TypeAArray *tp = (TypeAArray *)tparam; | |
| 1730 if (!index->deduceType(sc, tp->index, parameters, dedtypes)) | |
| 1731 { | |
| 1732 return MATCHnomatch; | |
| 1733 } | |
| 1734 } | |
| 1735 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 1736 } | |
| 1737 | |
| 1738 MATCH TypeFunction::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 1739 { | |
| 1740 //printf("TypeFunction::deduceType()\n"); | |
| 1741 //printf("\tthis = %d, ", ty); print(); | |
| 1742 //printf("\ttparam = %d, ", tparam->ty); tparam->print(); | |
| 1743 | |
| 1744 // Extra check that function characteristics must match | |
| 1745 if (tparam && tparam->ty == Tfunction) | |
| 1746 { | |
| 1747 TypeFunction *tp = (TypeFunction *)tparam; | |
| 1748 if (varargs != tp->varargs || | |
| 1749 linkage != tp->linkage) | |
| 1750 return MATCHnomatch; | |
| 1751 | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
1752 size_t nfargs = Parameter::dim(this->parameters); |
|
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
1753 size_t nfparams = Parameter::dim(tp->parameters); |
| 336 | 1754 |
| 1755 /* See if tuple match | |
| 1756 */ | |
| 1757 if (nfparams > 0 && nfargs >= nfparams - 1) | |
| 1758 { | |
| 1759 /* See if 'A' of the template parameter matches 'A' | |
| 1760 * of the type of the last function parameter. | |
| 1761 */ | |
|
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1762 Parameter *fparam = Parameter::getNth(tp->parameters, nfparams - 1); |
| 336 | 1763 if (fparam->type->ty != Tident) |
| 1764 goto L1; | |
| 1765 TypeIdentifier *tid = (TypeIdentifier *)fparam->type; | |
| 1766 if (tid->idents.dim) | |
| 1767 goto L1; | |
| 1768 | |
| 1769 /* Look through parameters to find tuple matching tid->ident | |
| 1770 */ | |
| 1771 size_t tupi = 0; | |
| 1772 for (; 1; tupi++) | |
| 1773 { if (tupi == parameters->dim) | |
| 1774 goto L1; | |
| 1775 TemplateParameter *t = (TemplateParameter *)parameters->data[tupi]; | |
| 1776 TemplateTupleParameter *tup = t->isTemplateTupleParameter(); | |
| 1777 if (tup && tup->ident->equals(tid->ident)) | |
| 1778 break; | |
| 1779 } | |
| 1780 | |
| 1781 /* The types of the function arguments [nfparams - 1 .. nfargs] | |
| 1782 * now form the tuple argument. | |
| 1783 */ | |
| 1784 int tuple_dim = nfargs - (nfparams - 1); | |
| 1785 | |
| 1786 /* See if existing tuple, and whether it matches or not | |
| 1787 */ | |
| 1788 Object *o = (Object *)dedtypes->data[tupi]; | |
| 1789 if (o) | |
| 1790 { // Existing deduced argument must be a tuple, and must match | |
| 1791 Tuple *t = isTuple(o); | |
| 1792 if (!t || t->objects.dim != tuple_dim) | |
| 1793 return MATCHnomatch; | |
| 1794 for (size_t i = 0; i < tuple_dim; i++) | |
|
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1795 { Parameter *arg = Parameter::getNth(this->parameters, nfparams - 1 + i); |
| 336 | 1796 if (!arg->type->equals((Object *)t->objects.data[i])) |
| 1797 return MATCHnomatch; | |
| 1798 } | |
| 1799 } | |
| 1800 else | |
| 1801 { // Create new tuple | |
| 1802 Tuple *t = new Tuple(); | |
| 1803 t->objects.setDim(tuple_dim); | |
| 1804 for (size_t i = 0; i < tuple_dim; i++) | |
|
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1805 { Parameter *arg = Parameter::getNth(this->parameters, nfparams - 1 + i); |
| 336 | 1806 t->objects.data[i] = (void *)arg->type; |
| 1807 } | |
| 1808 dedtypes->data[tupi] = (void *)t; | |
| 1809 } | |
| 1810 nfparams--; // don't consider the last parameter for type deduction | |
| 1811 goto L2; | |
| 1812 } | |
| 1813 | |
| 1814 L1: | |
| 1815 if (nfargs != nfparams) | |
| 1816 return MATCHnomatch; | |
| 1817 L2: | |
| 1818 for (size_t i = 0; i < nfparams; i++) | |
| 1819 { | |
|
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1820 Parameter *a = Parameter::getNth(this->parameters, i); |
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1821 Parameter *ap = Parameter::getNth(tp->parameters, i); |
| 336 | 1822 if (a->storageClass != ap->storageClass || |
| 1823 !a->type->deduceType(sc, ap->type, parameters, dedtypes)) | |
| 1824 return MATCHnomatch; | |
| 1825 } | |
| 1826 } | |
| 1827 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 1828 } | |
| 1829 | |
| 1830 MATCH TypeIdentifier::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 1831 { | |
| 1832 // Extra check | |
| 1833 if (tparam && tparam->ty == Tident) | |
| 1834 { | |
| 1835 TypeIdentifier *tp = (TypeIdentifier *)tparam; | |
| 1836 | |
| 1837 for (int i = 0; i < idents.dim; i++) | |
| 1838 { | |
| 1839 Identifier *id1 = (Identifier *)idents.data[i]; | |
| 1840 Identifier *id2 = (Identifier *)tp->idents.data[i]; | |
| 1841 | |
| 1842 if (!id1->equals(id2)) | |
| 1843 return MATCHnomatch; | |
| 1844 } | |
| 1845 } | |
| 1846 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 1847 } | |
| 1848 | |
| 1849 MATCH TypeInstance::deduceType(Scope *sc, | |
| 1850 Type *tparam, TemplateParameters *parameters, | |
| 1851 Objects *dedtypes) | |
| 1852 { | |
|
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1853 #if 0 |
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1854 printf("TypeInstance::deduceType()\n"); |
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1855 printf("\tthis = %d, ", ty); print(); |
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1856 printf("\ttparam = %d, ", tparam->ty); tparam->print(); |
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1857 #endif |
| 336 | 1858 |
| 1859 // Extra check | |
| 1860 if (tparam && tparam->ty == Tinstance) | |
| 1861 { | |
| 1862 TypeInstance *tp = (TypeInstance *)tparam; | |
| 1863 | |
| 1864 //printf("tempinst->tempdecl = %p\n", tempinst->tempdecl); | |
| 1865 //printf("tp->tempinst->tempdecl = %p\n", tp->tempinst->tempdecl); | |
| 1866 if (!tp->tempinst->tempdecl) | |
| 1867 { //printf("tp->tempinst->name = '%s'\n", tp->tempinst->name->toChars()); | |
| 1868 if (!tp->tempinst->name->equals(tempinst->name)) | |
| 1869 { | |
| 1870 /* Handle case of: | |
| 1871 * template Foo(T : sa!(T), alias sa) | |
| 1872 */ | |
| 1873 int i = templateIdentifierLookup(tp->tempinst->name, parameters); | |
| 1874 if (i == -1) | |
| 1875 { /* Didn't find it as a parameter identifier. Try looking | |
| 1876 * it up and seeing if is an alias. See Bugzilla 1454 | |
| 1877 */ | |
| 1878 Dsymbol *s = tempinst->tempdecl->scope->search(0, tp->tempinst->name, NULL); | |
| 1879 if (s) | |
| 1880 { | |
| 1881 s = s->toAlias(); | |
| 1882 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 1883 if (td && td == tempinst->tempdecl) | |
| 1884 goto L2; | |
| 1885 } | |
| 1886 goto Lnomatch; | |
| 1887 } | |
| 1888 TemplateParameter *tpx = (TemplateParameter *)parameters->data[i]; | |
| 1889 // This logic duplicates tpx->matchArg() | |
| 1890 TemplateAliasParameter *ta = tpx->isTemplateAliasParameter(); | |
| 1891 if (!ta) | |
| 1892 goto Lnomatch; | |
|
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1893 Object *sa = tempinst->tempdecl; |
| 336 | 1894 if (!sa) |
| 1895 goto Lnomatch; | |
| 1896 if (ta->specAlias && sa != ta->specAlias) | |
| 1897 goto Lnomatch; | |
| 1898 if (dedtypes->data[i]) | |
| 1899 { // Must match already deduced symbol | |
|
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1900 Object *s = (Object *)dedtypes->data[i]; |
| 336 | 1901 |
| 1902 if (s != sa) | |
| 1903 goto Lnomatch; | |
| 1904 } | |
| 1905 dedtypes->data[i] = sa; | |
| 1906 } | |
| 1907 } | |
| 1908 else if (tempinst->tempdecl != tp->tempinst->tempdecl) | |
| 1909 goto Lnomatch; | |
| 1910 | |
| 1911 L2: | |
| 1912 | |
| 1587 | 1913 for (int i = 0; 1; i++) |
| 336 | 1914 { |
| 1915 //printf("\ttest: tempinst->tiargs[%d]\n", i); | |
| 1587 | 1916 Object *o1; |
| 1917 if (i < tempinst->tiargs->dim) | |
| 1918 o1 = (Object *)tempinst->tiargs->data[i]; | |
| 1919 else if (i < tempinst->tdtypes.dim && i < tp->tempinst->tiargs->dim) | |
| 1920 // Pick up default arg | |
| 1921 o1 = (Object *)tempinst->tdtypes.data[i]; | |
| 1922 else | |
| 1923 break; | |
| 1924 | |
|
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1925 if (i >= tp->tempinst->tiargs->dim) |
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1926 goto Lnomatch; |
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1927 |
| 336 | 1928 Object *o2 = (Object *)tp->tempinst->tiargs->data[i]; |
| 1929 | |
| 1930 Type *t1 = isType(o1); | |
| 1931 Type *t2 = isType(o2); | |
| 1932 | |
| 1933 Expression *e1 = isExpression(o1); | |
| 1934 Expression *e2 = isExpression(o2); | |
| 1935 | |
|
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1936 Dsymbol *s1 = isDsymbol(o1); |
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1937 Dsymbol *s2 = isDsymbol(o2); |
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1938 |
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1939 Tuple *v1 = isTuple(o1); |
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1940 Tuple *v2 = isTuple(o2); |
| 336 | 1941 #if 0 |
| 1942 if (t1) printf("t1 = %s\n", t1->toChars()); | |
| 1943 if (t2) printf("t2 = %s\n", t2->toChars()); | |
| 1944 if (e1) printf("e1 = %s\n", e1->toChars()); | |
| 1945 if (e2) printf("e2 = %s\n", e2->toChars()); | |
|
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1946 if (s1) printf("s1 = %s\n", s1->toChars()); |
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1947 if (s2) printf("s2 = %s\n", s2->toChars()); |
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1948 if (v1) printf("v1 = %s\n", v1->toChars()); |
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1949 if (v2) printf("v2 = %s\n", v2->toChars()); |
| 336 | 1950 #endif |
| 1951 | |
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1952 TemplateTupleParameter *ttp; |
| 1587 | 1953 int j; |
|
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1954 if (t2 && |
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1955 t2->ty == Tident && |
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1956 i == tp->tempinst->tiargs->dim - 1 && |
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1957 i == tempinst->tempdecl->parameters->dim - 1 && |
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1958 (ttp = tempinst->tempdecl->isVariadic()) != NULL) |
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1959 { |
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1960 /* Given: |
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1961 * struct A(B...) {} |
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1962 * alias A!(int, float) X; |
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1963 * static if (!is(X Y == A!(Z), Z)) |
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1964 * deduce that Z is a tuple(int, float) |
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1965 */ |
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1966 |
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1967 j = templateParameterLookup(t2, parameters); |
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1968 if (j == -1) |
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1969 goto Lnomatch; |
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1970 |
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1971 /* Create tuple from remaining args |
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1972 */ |
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1973 Tuple *vt = new Tuple(); |
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1974 int vtdim = tempinst->tiargs->dim - i; |
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1975 vt->objects.setDim(vtdim); |
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1976 for (size_t k = 0; k < vtdim; k++) |
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1977 vt->objects.data[k] = (void *)tempinst->tiargs->data[i + k]; |
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1978 |
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1979 Tuple *v = (Tuple *)dedtypes->data[j]; |
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1980 if (v) |
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1981 { |
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1982 if (!match(v, vt, tempinst->tempdecl, sc)) |
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1983 goto Lnomatch; |
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1984 } |
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1985 else |
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1986 dedtypes->data[j] = vt; |
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1987 break; //return MATCHexact; |
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1988 } |
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1989 |
| 336 | 1990 if (t1 && t2) |
| 1991 { | |
| 1992 if (!t1->deduceType(sc, t2, parameters, dedtypes)) | |
| 1993 goto Lnomatch; | |
| 1994 } | |
| 1995 else if (e1 && e2) | |
| 1996 { | |
| 1997 if (!e1->equals(e2)) | |
| 1998 { if (e2->op == TOKvar) | |
| 1999 { | |
| 2000 /* | |
| 2001 * (T:Number!(e2), int e2) | |
| 2002 */ | |
| 2003 j = templateIdentifierLookup(((VarExp *)e2)->var->ident, parameters); | |
| 2004 goto L1; | |
| 2005 } | |
| 2006 goto Lnomatch; | |
| 2007 } | |
| 2008 } | |
| 2009 else if (e1 && t2 && t2->ty == Tident) | |
| 2010 { | |
| 2011 j = templateParameterLookup(t2, parameters); | |
| 2012 L1: | |
| 2013 if (j == -1) | |
| 2014 goto Lnomatch; | |
| 2015 TemplateParameter *tp = (TemplateParameter *)parameters->data[j]; | |
| 2016 // BUG: use tp->matchArg() instead of the following | |
| 2017 TemplateValueParameter *tv = tp->isTemplateValueParameter(); | |
| 2018 if (!tv) | |
| 2019 goto Lnomatch; | |
| 2020 Expression *e = (Expression *)dedtypes->data[j]; | |
| 2021 if (e) | |
| 2022 { | |
| 2023 if (!e1->equals(e)) | |
| 2024 goto Lnomatch; | |
| 2025 } | |
| 2026 else | |
| 2027 { Type *vt = tv->valType->semantic(0, sc); | |
| 2028 MATCH m = (MATCH)e1->implicitConvTo(vt); | |
| 2029 if (!m) | |
| 2030 goto Lnomatch; | |
| 2031 dedtypes->data[j] = e1; | |
| 2032 } | |
| 2033 } | |
|
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2034 else if (s1 && t2 && t2->ty == Tident) |
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2035 { |
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2036 j = templateParameterLookup(t2, parameters); |
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diff
changeset
|
2037 if (j == -1) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2038 goto Lnomatch; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2039 TemplateParameter *tp = (TemplateParameter *)parameters->data[j]; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2040 // BUG: use tp->matchArg() instead of the following |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2041 TemplateAliasParameter *ta = tp->isTemplateAliasParameter(); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2042 if (!ta) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2043 goto Lnomatch; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2044 Dsymbol *s = (Dsymbol *)dedtypes->data[j]; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2045 if (s) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2046 { |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2047 if (!s1->equals(s)) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2048 goto Lnomatch; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2049 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2050 else |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2051 { |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2052 dedtypes->data[j] = s1; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2053 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2054 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2055 else if (s1 && s2) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2056 { |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2057 if (!s1->equals(s2)) |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2058 goto Lnomatch; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2059 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2060 // BUG: Need to handle tuple parameters |
| 336 | 2061 else |
| 2062 goto Lnomatch; | |
| 2063 } | |
| 2064 } | |
| 2065 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 2066 | |
| 2067 Lnomatch: | |
| 2068 return MATCHnomatch; | |
| 2069 } | |
| 2070 | |
| 2071 MATCH TypeStruct::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 2072 { | |
| 2073 //printf("TypeStruct::deduceType()\n"); | |
| 2074 //printf("\tthis->parent = %s, ", sym->parent->toChars()); print(); | |
| 2075 //printf("\ttparam = %d, ", tparam->ty); tparam->print(); | |
| 2076 | |
| 2077 /* If this struct is a template struct, and we're matching | |
| 2078 * it against a template instance, convert the struct type | |
| 2079 * to a template instance, too, and try again. | |
| 2080 */ | |
| 2081 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 2082 | |
| 2083 if (tparam && tparam->ty == Tinstance) | |
| 2084 { | |
| 2085 if (ti && ti->toAlias() == sym) | |
| 2086 { | |
| 2087 TypeInstance *t = new TypeInstance(0, ti); | |
| 2088 return t->deduceType(sc, tparam, parameters, dedtypes); | |
| 2089 } | |
| 2090 | |
| 2091 /* Match things like: | |
| 2092 * S!(T).foo | |
| 2093 */ | |
| 2094 TypeInstance *tpi = (TypeInstance *)tparam; | |
| 2095 if (tpi->idents.dim) | |
| 2096 { Identifier *id = (Identifier *)tpi->idents.data[tpi->idents.dim - 1]; | |
| 2097 if (id->dyncast() == DYNCAST_IDENTIFIER && sym->ident->equals(id)) | |
| 2098 { | |
| 2099 Type *tparent = sym->parent->getType(); | |
| 2100 if (tparent) | |
| 2101 { | |
| 2102 /* Slice off the .foo in S!(T).foo | |
| 2103 */ | |
| 2104 tpi->idents.dim--; | |
| 2105 MATCH m = tparent->deduceType(sc, tpi, parameters, dedtypes); | |
| 2106 tpi->idents.dim++; | |
| 2107 return m; | |
| 2108 } | |
| 2109 } | |
| 2110 } | |
| 2111 } | |
| 2112 | |
| 2113 // Extra check | |
| 2114 if (tparam && tparam->ty == Tstruct) | |
| 2115 { | |
| 2116 TypeStruct *tp = (TypeStruct *)tparam; | |
| 2117 | |
| 2118 if (sym != tp->sym) | |
| 2119 return MATCHnomatch; | |
| 2120 } | |
| 2121 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 2122 } | |
| 2123 | |
| 2124 MATCH TypeEnum::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 2125 { | |
| 2126 // Extra check | |
| 2127 if (tparam && tparam->ty == Tenum) | |
| 2128 { | |
| 2129 TypeEnum *tp = (TypeEnum *)tparam; | |
| 2130 | |
| 2131 if (sym != tp->sym) | |
| 2132 return MATCHnomatch; | |
| 2133 } | |
| 2134 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 2135 } | |
| 2136 | |
| 2137 MATCH TypeTypedef::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 2138 { | |
| 2139 // Extra check | |
| 2140 if (tparam && tparam->ty == Ttypedef) | |
| 2141 { | |
| 2142 TypeTypedef *tp = (TypeTypedef *)tparam; | |
| 2143 | |
| 2144 if (sym != tp->sym) | |
| 2145 return MATCHnomatch; | |
| 2146 } | |
| 2147 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 2148 } | |
| 2149 | |
| 2150 MATCH TypeClass::deduceType(Scope *sc, Type *tparam, TemplateParameters *parameters, Objects *dedtypes) | |
| 2151 { | |
| 2152 //printf("TypeClass::deduceType(this = %s)\n", toChars()); | |
| 2153 | |
| 2154 /* If this class is a template class, and we're matching | |
| 2155 * it against a template instance, convert the class type | |
| 2156 * to a template instance, too, and try again. | |
| 2157 */ | |
| 2158 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 2159 | |
| 2160 if (tparam && tparam->ty == Tinstance) | |
| 2161 { | |
| 2162 if (ti && ti->toAlias() == sym) | |
| 2163 { | |
| 2164 TypeInstance *t = new TypeInstance(0, ti); | |
| 2165 return t->deduceType(sc, tparam, parameters, dedtypes); | |
| 2166 } | |
| 2167 | |
| 2168 /* Match things like: | |
| 2169 * S!(T).foo | |
| 2170 */ | |
| 2171 TypeInstance *tpi = (TypeInstance *)tparam; | |
| 2172 if (tpi->idents.dim) | |
| 2173 { Identifier *id = (Identifier *)tpi->idents.data[tpi->idents.dim - 1]; | |
| 2174 if (id->dyncast() == DYNCAST_IDENTIFIER && sym->ident->equals(id)) | |
| 2175 { | |
| 2176 Type *tparent = sym->parent->getType(); | |
| 2177 if (tparent) | |
| 2178 { | |
| 2179 /* Slice off the .foo in S!(T).foo | |
| 2180 */ | |
| 2181 tpi->idents.dim--; | |
| 2182 MATCH m = tparent->deduceType(sc, tpi, parameters, dedtypes); | |
| 2183 tpi->idents.dim++; | |
| 2184 return m; | |
| 2185 } | |
| 2186 } | |
| 2187 } | |
| 2188 } | |
| 2189 | |
| 2190 // Extra check | |
| 2191 if (tparam && tparam->ty == Tclass) | |
| 2192 { | |
| 2193 TypeClass *tp = (TypeClass *)tparam; | |
| 2194 | |
| 2195 //printf("\t%d\n", (MATCH) implicitConvTo(tp)); | |
| 2196 return (MATCH) implicitConvTo(tp); | |
| 2197 } | |
| 2198 return Type::deduceType(sc, tparam, parameters, dedtypes); | |
| 2199 } | |
| 2200 | |
| 2201 /* ======================== TemplateParameter =============================== */ | |
| 2202 | |
| 2203 TemplateParameter::TemplateParameter(Loc loc, Identifier *ident) | |
| 2204 { | |
| 2205 this->loc = loc; | |
| 2206 this->ident = ident; | |
| 2207 this->sparam = NULL; | |
| 2208 } | |
| 2209 | |
| 2210 TemplateTypeParameter *TemplateParameter::isTemplateTypeParameter() | |
| 2211 { | |
| 2212 return NULL; | |
| 2213 } | |
| 2214 | |
| 2215 TemplateValueParameter *TemplateParameter::isTemplateValueParameter() | |
| 2216 { | |
| 2217 return NULL; | |
| 2218 } | |
| 2219 | |
| 2220 TemplateAliasParameter *TemplateParameter::isTemplateAliasParameter() | |
| 2221 { | |
| 2222 return NULL; | |
| 2223 } | |
| 2224 | |
| 2225 TemplateTupleParameter *TemplateParameter::isTemplateTupleParameter() | |
| 2226 { | |
| 2227 return NULL; | |
| 2228 } | |
| 2229 | |
| 2230 #if DMDV2 | |
| 2231 TemplateThisParameter *TemplateParameter::isTemplateThisParameter() | |
| 2232 { | |
| 2233 return NULL; | |
| 2234 } | |
| 2235 #endif | |
| 2236 | |
| 2237 /* ======================== TemplateTypeParameter =========================== */ | |
| 2238 | |
| 2239 // type-parameter | |
| 2240 | |
| 2241 TemplateTypeParameter::TemplateTypeParameter(Loc loc, Identifier *ident, Type *specType, | |
| 2242 Type *defaultType) | |
| 2243 : TemplateParameter(loc, ident) | |
| 2244 { | |
| 2245 this->ident = ident; | |
| 2246 this->specType = specType; | |
| 2247 this->defaultType = defaultType; | |
| 2248 } | |
| 2249 | |
| 2250 TemplateTypeParameter *TemplateTypeParameter::isTemplateTypeParameter() | |
| 2251 { | |
| 2252 return this; | |
| 2253 } | |
| 2254 | |
| 2255 TemplateParameter *TemplateTypeParameter::syntaxCopy() | |
| 2256 { | |
| 2257 TemplateTypeParameter *tp = new TemplateTypeParameter(loc, ident, specType, defaultType); | |
| 2258 if (tp->specType) | |
| 2259 tp->specType = specType->syntaxCopy(); | |
| 2260 if (defaultType) | |
| 2261 tp->defaultType = defaultType->syntaxCopy(); | |
| 2262 return tp; | |
| 2263 } | |
| 2264 | |
| 2265 void TemplateTypeParameter::declareParameter(Scope *sc) | |
| 2266 { | |
| 2267 //printf("TemplateTypeParameter::declareParameter('%s')\n", ident->toChars()); | |
| 2268 TypeIdentifier *ti = new TypeIdentifier(loc, ident); | |
| 2269 sparam = new AliasDeclaration(loc, ident, ti); | |
| 2270 if (!sc->insert(sparam)) | |
| 2271 error(loc, "parameter '%s' multiply defined", ident->toChars()); | |
| 2272 } | |
| 2273 | |
| 2274 void TemplateTypeParameter::semantic(Scope *sc) | |
| 2275 { | |
| 2276 //printf("TemplateTypeParameter::semantic('%s')\n", ident->toChars()); | |
| 2277 if (specType) | |
| 2278 { | |
| 2279 specType = specType->semantic(loc, sc); | |
| 2280 } | |
| 2281 #if 0 // Don't do semantic() until instantiation | |
| 2282 if (defaultType) | |
| 2283 { | |
| 2284 defaultType = defaultType->semantic(loc, sc); | |
| 2285 } | |
| 2286 #endif | |
| 2287 } | |
| 2288 | |
| 2289 /**************************************** | |
| 2290 * Determine if two TemplateParameters are the same | |
| 2291 * as far as TemplateDeclaration overloading goes. | |
| 2292 * Returns: | |
| 2293 * 1 match | |
| 2294 * 0 no match | |
| 2295 */ | |
| 2296 | |
| 2297 int TemplateTypeParameter::overloadMatch(TemplateParameter *tp) | |
| 2298 { | |
| 2299 TemplateTypeParameter *ttp = tp->isTemplateTypeParameter(); | |
| 2300 | |
| 2301 if (ttp) | |
| 2302 { | |
| 2303 if (specType != ttp->specType) | |
| 2304 goto Lnomatch; | |
| 2305 | |
| 2306 if (specType && !specType->equals(ttp->specType)) | |
| 2307 goto Lnomatch; | |
| 2308 | |
| 2309 return 1; // match | |
| 2310 } | |
| 2311 | |
| 2312 Lnomatch: | |
| 2313 return 0; | |
| 2314 } | |
| 2315 | |
| 2316 /******************************************* | |
| 2317 * Match to a particular TemplateParameter. | |
| 2318 * Input: | |
| 2319 * i i'th argument | |
| 2320 * tiargs[] actual arguments to template instance | |
| 2321 * parameters[] template parameters | |
| 2322 * dedtypes[] deduced arguments to template instance | |
| 2323 * *psparam set to symbol declared and initialized to dedtypes[i] | |
| 2324 */ | |
| 2325 | |
| 2326 MATCH TemplateTypeParameter::matchArg(Scope *sc, Objects *tiargs, | |
| 2327 int i, TemplateParameters *parameters, Objects *dedtypes, | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2328 Declaration **psparam, int flags) |
| 336 | 2329 { |
| 2330 //printf("TemplateTypeParameter::matchArg()\n"); | |
| 2331 Type *t; | |
| 2332 Object *oarg; | |
| 2333 MATCH m = MATCHexact; | |
| 2334 Type *ta; | |
| 2335 | |
| 2336 if (i < tiargs->dim) | |
| 2337 oarg = (Object *)tiargs->data[i]; | |
| 2338 else | |
| 2339 { // Get default argument instead | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2340 oarg = defaultArg(loc, sc); |
| 336 | 2341 if (!oarg) |
| 2342 { assert(i < dedtypes->dim); | |
| 2343 // It might have already been deduced | |
| 2344 oarg = (Object *)dedtypes->data[i]; | |
| 2345 if (!oarg) | |
| 2346 goto Lnomatch; | |
| 2347 } | |
| 2348 } | |
| 2349 | |
| 2350 ta = isType(oarg); | |
| 2351 if (!ta) | |
| 2352 goto Lnomatch; | |
| 2353 //printf("ta is %s\n", ta->toChars()); | |
| 2354 | |
| 2355 t = (Type *)dedtypes->data[i]; | |
| 2356 | |
| 2357 if (specType) | |
| 2358 { | |
| 2359 //printf("\tcalling deduceType(): ta is %s, specType is %s\n", ta->toChars(), specType->toChars()); | |
| 2360 MATCH m2 = ta->deduceType(sc, specType, parameters, dedtypes); | |
| 2361 if (m2 == MATCHnomatch) | |
| 2362 { //printf("\tfailed deduceType\n"); | |
| 2363 goto Lnomatch; | |
| 2364 } | |
| 2365 | |
| 2366 if (m2 < m) | |
| 2367 m = m2; | |
| 2368 t = (Type *)dedtypes->data[i]; | |
| 2369 } | |
| 2370 else | |
| 2371 { | |
| 2372 // So that matches with specializations are better | |
| 2373 m = MATCHconvert; | |
| 2374 if (t) | |
| 2375 { // Must match already deduced type | |
| 2376 | |
| 2377 m = MATCHexact; | |
| 2378 if (!t->equals(ta)) | |
| 2379 { //printf("t = %s ta = %s\n", t->toChars(), ta->toChars()); | |
| 2380 goto Lnomatch; | |
| 2381 } | |
| 2382 } | |
| 2383 } | |
| 2384 | |
| 2385 if (!t) | |
| 2386 { | |
| 2387 dedtypes->data[i] = ta; | |
| 2388 t = ta; | |
| 2389 } | |
| 2390 *psparam = new AliasDeclaration(loc, ident, t); | |
| 2391 //printf("\tm = %d\n", m); | |
| 2392 return m; | |
| 2393 | |
| 2394 Lnomatch: | |
| 2395 *psparam = NULL; | |
| 2396 //printf("\tm = %d\n", MATCHnomatch); | |
| 2397 return MATCHnomatch; | |
| 2398 } | |
| 2399 | |
| 2400 | |
| 2401 void TemplateTypeParameter::print(Object *oarg, Object *oded) | |
| 2402 { | |
| 2403 printf(" %s\n", ident->toChars()); | |
| 2404 | |
| 2405 Type *t = isType(oarg); | |
| 2406 Type *ta = isType(oded); | |
| 2407 | |
| 2408 assert(ta); | |
| 2409 | |
| 2410 if (specType) | |
| 2411 printf("\tSpecialization: %s\n", specType->toChars()); | |
| 2412 if (defaultType) | |
| 2413 printf("\tDefault: %s\n", defaultType->toChars()); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
2414 printf("\tParameter: %s\n", t ? t->toChars() : "NULL"); |
| 336 | 2415 printf("\tDeduced Type: %s\n", ta->toChars()); |
| 2416 } | |
| 2417 | |
| 2418 | |
| 2419 void TemplateTypeParameter::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2420 { | |
| 2421 buf->writestring(ident->toChars()); | |
| 2422 if (specType) | |
| 2423 { | |
| 2424 buf->writestring(" : "); | |
| 2425 specType->toCBuffer(buf, NULL, hgs); | |
| 2426 } | |
| 2427 if (defaultType) | |
| 2428 { | |
| 2429 buf->writestring(" = "); | |
| 2430 defaultType->toCBuffer(buf, NULL, hgs); | |
| 2431 } | |
| 2432 } | |
| 2433 | |
| 2434 | |
| 2435 void *TemplateTypeParameter::dummyArg() | |
| 2436 { Type *t; | |
| 2437 | |
| 2438 if (specType) | |
| 2439 t = specType; | |
| 2440 else | |
| 2441 { // Use this for alias-parameter's too (?) | |
| 2442 t = new TypeIdentifier(loc, ident); | |
| 2443 } | |
| 2444 return (void *)t; | |
| 2445 } | |
| 2446 | |
| 2447 | |
| 2448 Object *TemplateTypeParameter::specialization() | |
| 2449 { | |
| 2450 return specType; | |
| 2451 } | |
| 2452 | |
| 2453 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2454 Object *TemplateTypeParameter::defaultArg(Loc loc, Scope *sc) |
| 336 | 2455 { |
| 2456 Type *t; | |
| 2457 | |
| 2458 t = defaultType; | |
| 2459 if (t) | |
| 2460 { | |
| 2461 t = t->syntaxCopy(); | |
| 2462 t = t->semantic(loc, sc); | |
| 2463 } | |
| 2464 return t; | |
| 2465 } | |
| 2466 | |
| 2467 /* ======================== TemplateThisParameter =========================== */ | |
| 2468 | |
| 2469 #if DMDV2 | |
| 2470 // this-parameter | |
| 2471 | |
| 2472 TemplateThisParameter::TemplateThisParameter(Loc loc, Identifier *ident, | |
| 2473 Type *specType, | |
| 2474 Type *defaultType) | |
| 2475 : TemplateTypeParameter(loc, ident, specType, defaultType) | |
| 2476 { | |
| 2477 } | |
| 2478 | |
| 2479 TemplateThisParameter *TemplateThisParameter::isTemplateThisParameter() | |
| 2480 { | |
| 2481 return this; | |
| 2482 } | |
| 2483 | |
| 2484 TemplateParameter *TemplateThisParameter::syntaxCopy() | |
| 2485 { | |
| 2486 TemplateThisParameter *tp = new TemplateThisParameter(loc, ident, specType, defaultType); | |
| 2487 if (tp->specType) | |
| 2488 tp->specType = specType->syntaxCopy(); | |
| 2489 if (defaultType) | |
| 2490 tp->defaultType = defaultType->syntaxCopy(); | |
| 2491 return tp; | |
| 2492 } | |
| 2493 | |
| 2494 void TemplateThisParameter::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2495 { | |
| 2496 buf->writestring("this "); | |
| 2497 TemplateTypeParameter::toCBuffer(buf, hgs); | |
| 2498 } | |
| 2499 #endif | |
| 2500 | |
| 2501 /* ======================== TemplateAliasParameter ========================== */ | |
| 2502 | |
| 2503 // alias-parameter | |
| 2504 | |
| 2505 Dsymbol *TemplateAliasParameter::sdummy = NULL; | |
| 2506 | |
| 2507 TemplateAliasParameter::TemplateAliasParameter(Loc loc, Identifier *ident, Type *specAliasT, Type *defaultAlias) | |
| 2508 : TemplateParameter(loc, ident) | |
| 2509 { | |
| 2510 this->ident = ident; | |
| 2511 this->specAliasT = specAliasT; | |
| 2512 this->defaultAlias = defaultAlias; | |
| 2513 | |
| 2514 this->specAlias = NULL; | |
| 2515 } | |
| 2516 | |
| 2517 TemplateAliasParameter *TemplateAliasParameter::isTemplateAliasParameter() | |
| 2518 { | |
| 2519 return this; | |
| 2520 } | |
| 2521 | |
| 2522 TemplateParameter *TemplateAliasParameter::syntaxCopy() | |
| 2523 { | |
| 2524 TemplateAliasParameter *tp = new TemplateAliasParameter(loc, ident, specAliasT, defaultAlias); | |
| 2525 if (tp->specAliasT) | |
| 2526 tp->specAliasT = specAliasT->syntaxCopy(); | |
| 2527 if (defaultAlias) | |
| 2528 tp->defaultAlias = defaultAlias->syntaxCopy(); | |
| 2529 return tp; | |
| 2530 } | |
| 2531 | |
| 2532 void TemplateAliasParameter::declareParameter(Scope *sc) | |
| 2533 { | |
| 2534 TypeIdentifier *ti = new TypeIdentifier(loc, ident); | |
| 2535 sparam = new AliasDeclaration(loc, ident, ti); | |
| 2536 if (!sc->insert(sparam)) | |
| 2537 error(loc, "parameter '%s' multiply defined", ident->toChars()); | |
| 2538 } | |
| 2539 | |
| 2540 void TemplateAliasParameter::semantic(Scope *sc) | |
| 2541 { | |
| 2542 if (specAliasT) | |
| 2543 { | |
| 2544 specAlias = specAliasT->toDsymbol(sc); | |
| 2545 if (!specAlias) | |
| 2546 error(loc, "%s is not a symbol", specAliasT->toChars()); | |
| 2547 } | |
| 2548 #if 0 // Don't do semantic() until instantiation | |
| 2549 if (defaultAlias) | |
| 2550 defaultAlias = defaultAlias->semantic(loc, sc); | |
| 2551 #endif | |
| 2552 } | |
| 2553 | |
| 2554 int TemplateAliasParameter::overloadMatch(TemplateParameter *tp) | |
| 2555 { | |
| 2556 TemplateAliasParameter *tap = tp->isTemplateAliasParameter(); | |
| 2557 | |
| 2558 if (tap) | |
| 2559 { | |
| 2560 if (specAlias != tap->specAlias) | |
| 2561 goto Lnomatch; | |
| 2562 | |
| 2563 return 1; // match | |
| 2564 } | |
| 2565 | |
| 2566 Lnomatch: | |
| 2567 return 0; | |
| 2568 } | |
| 2569 | |
| 2570 MATCH TemplateAliasParameter::matchArg(Scope *sc, | |
| 2571 Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2572 Declaration **psparam, int flags) |
| 336 | 2573 { |
| 2574 Dsymbol *sa; | |
| 2575 Object *oarg; | |
| 2576 Expression *ea; | |
| 2577 | |
| 2578 //printf("TemplateAliasParameter::matchArg()\n"); | |
| 2579 | |
| 2580 if (i < tiargs->dim) | |
| 2581 oarg = (Object *)tiargs->data[i]; | |
| 2582 else | |
| 2583 { // Get default argument instead | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2584 oarg = defaultArg(loc, sc); |
| 336 | 2585 if (!oarg) |
| 2586 { assert(i < dedtypes->dim); | |
| 2587 // It might have already been deduced | |
| 2588 oarg = (Object *)dedtypes->data[i]; | |
| 2589 if (!oarg) | |
| 2590 goto Lnomatch; | |
| 2591 } | |
| 2592 } | |
| 2593 | |
| 2594 sa = getDsymbol(oarg); | |
| 2595 if (!sa) | |
| 2596 goto Lnomatch; | |
| 2597 | |
| 2598 if (specAlias) | |
| 2599 { | |
| 2600 if (!sa || sa == sdummy) | |
| 2601 goto Lnomatch; | |
| 2602 if (sa != specAlias) | |
| 2603 goto Lnomatch; | |
| 2604 } | |
| 2605 else if (dedtypes->data[i]) | |
| 2606 { // Must match already deduced symbol | |
| 2607 Dsymbol *s = (Dsymbol *)dedtypes->data[i]; | |
| 2608 | |
| 2609 if (!sa || s != sa) | |
| 2610 goto Lnomatch; | |
| 2611 } | |
| 2612 dedtypes->data[i] = sa; | |
| 2613 | |
| 2614 *psparam = new AliasDeclaration(loc, ident, sa); | |
| 2615 return MATCHexact; | |
| 2616 | |
| 2617 Lnomatch: | |
| 2618 *psparam = NULL; | |
| 2619 return MATCHnomatch; | |
| 2620 } | |
| 2621 | |
| 2622 | |
| 2623 void TemplateAliasParameter::print(Object *oarg, Object *oded) | |
| 2624 { | |
| 2625 printf(" %s\n", ident->toChars()); | |
| 2626 | |
| 2627 Dsymbol *sa = isDsymbol(oded); | |
| 2628 assert(sa); | |
| 2629 | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
2630 printf("\tParameter alias: %s\n", sa->toChars()); |
| 336 | 2631 } |
| 2632 | |
| 2633 void TemplateAliasParameter::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2634 { | |
| 2635 buf->writestring("alias "); | |
| 2636 buf->writestring(ident->toChars()); | |
| 2637 if (specAliasT) | |
| 2638 { | |
| 2639 buf->writestring(" : "); | |
| 2640 specAliasT->toCBuffer(buf, NULL, hgs); | |
| 2641 } | |
| 2642 if (defaultAlias) | |
| 2643 { | |
| 2644 buf->writestring(" = "); | |
| 2645 defaultAlias->toCBuffer(buf, NULL, hgs); | |
| 2646 } | |
| 2647 } | |
| 2648 | |
| 2649 | |
| 2650 void *TemplateAliasParameter::dummyArg() | |
| 2651 { Dsymbol *s; | |
| 2652 | |
| 2653 s = specAlias; | |
| 2654 if (!s) | |
| 2655 { | |
| 2656 if (!sdummy) | |
| 2657 sdummy = new Dsymbol(); | |
| 2658 s = sdummy; | |
| 2659 } | |
| 2660 return (void*)s; | |
| 2661 } | |
| 2662 | |
| 2663 | |
| 2664 Object *TemplateAliasParameter::specialization() | |
| 2665 { | |
| 2666 return specAliasT; | |
| 2667 } | |
| 2668 | |
| 2669 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2670 Object *TemplateAliasParameter::defaultArg(Loc loc, Scope *sc) |
| 336 | 2671 { |
| 2672 Dsymbol *s = NULL; | |
| 2673 | |
| 2674 if (defaultAlias) | |
| 2675 { | |
| 2676 s = defaultAlias->toDsymbol(sc); | |
| 2677 if (!s) | |
| 2678 error("%s is not a symbol", defaultAlias->toChars()); | |
| 2679 } | |
| 2680 return s; | |
| 2681 } | |
| 2682 | |
| 2683 /* ======================== TemplateValueParameter ========================== */ | |
| 2684 | |
| 2685 // value-parameter | |
| 2686 | |
| 2687 Expression *TemplateValueParameter::edummy = NULL; | |
| 2688 | |
| 2689 TemplateValueParameter::TemplateValueParameter(Loc loc, Identifier *ident, Type *valType, | |
| 2690 Expression *specValue, Expression *defaultValue) | |
| 2691 : TemplateParameter(loc, ident) | |
| 2692 { | |
| 2693 this->ident = ident; | |
| 2694 this->valType = valType; | |
| 2695 this->specValue = specValue; | |
| 2696 this->defaultValue = defaultValue; | |
| 2697 } | |
| 2698 | |
| 2699 TemplateValueParameter *TemplateValueParameter::isTemplateValueParameter() | |
| 2700 { | |
| 2701 return this; | |
| 2702 } | |
| 2703 | |
| 2704 TemplateParameter *TemplateValueParameter::syntaxCopy() | |
| 2705 { | |
| 2706 TemplateValueParameter *tp = | |
| 2707 new TemplateValueParameter(loc, ident, valType, specValue, defaultValue); | |
| 2708 tp->valType = valType->syntaxCopy(); | |
| 2709 if (specValue) | |
| 2710 tp->specValue = specValue->syntaxCopy(); | |
| 2711 if (defaultValue) | |
| 2712 tp->defaultValue = defaultValue->syntaxCopy(); | |
| 2713 return tp; | |
| 2714 } | |
| 2715 | |
| 2716 void TemplateValueParameter::declareParameter(Scope *sc) | |
| 2717 { | |
| 2718 VarDeclaration *v = new VarDeclaration(loc, valType, ident, NULL); | |
| 2719 v->storage_class = STCtemplateparameter; | |
| 2720 if (!sc->insert(v)) | |
| 2721 error(loc, "parameter '%s' multiply defined", ident->toChars()); | |
| 2722 sparam = v; | |
| 2723 } | |
| 2724 | |
| 2725 void TemplateValueParameter::semantic(Scope *sc) | |
| 2726 { | |
| 2727 sparam->semantic(sc); | |
| 2728 valType = valType->semantic(loc, sc); | |
| 2729 if (!(valType->isintegral() || valType->isfloating() || valType->isString()) && | |
| 2730 valType->ty != Tident) | |
| 2731 error(loc, "arithmetic/string type expected for value-parameter, not %s", valType->toChars()); | |
| 2732 | |
| 2733 if (specValue) | |
| 2734 { Expression *e = specValue; | |
| 2735 | |
| 2736 e = e->semantic(sc); | |
| 2737 e = e->implicitCastTo(sc, valType); | |
| 2738 e = e->optimize(WANTvalue | WANTinterpret); | |
| 2739 if (e->op == TOKint64 || e->op == TOKfloat64 || | |
| 2740 e->op == TOKcomplex80 || e->op == TOKnull || e->op == TOKstring) | |
| 2741 specValue = e; | |
| 2742 //e->toInteger(); | |
| 2743 } | |
| 2744 | |
| 2745 #if 0 // defer semantic analysis to arg match | |
| 2746 if (defaultValue) | |
| 2747 { Expression *e = defaultValue; | |
| 2748 | |
| 2749 e = e->semantic(sc); | |
| 2750 e = e->implicitCastTo(sc, valType); | |
| 2751 e = e->optimize(WANTvalue | WANTinterpret); | |
| 2752 if (e->op == TOKint64) | |
| 2753 defaultValue = e; | |
| 2754 //e->toInteger(); | |
| 2755 } | |
| 2756 #endif | |
| 2757 } | |
| 2758 | |
| 2759 int TemplateValueParameter::overloadMatch(TemplateParameter *tp) | |
| 2760 { | |
| 2761 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 2762 | |
| 2763 if (tvp) | |
| 2764 { | |
| 2765 if (valType != tvp->valType) | |
| 2766 goto Lnomatch; | |
| 2767 | |
| 2768 if (valType && !valType->equals(tvp->valType)) | |
| 2769 goto Lnomatch; | |
| 2770 | |
| 2771 if (specValue != tvp->specValue) | |
| 2772 goto Lnomatch; | |
| 2773 | |
| 2774 return 1; // match | |
| 2775 } | |
| 2776 | |
| 2777 Lnomatch: | |
| 2778 return 0; | |
| 2779 } | |
| 2780 | |
| 2781 | |
| 2782 MATCH TemplateValueParameter::matchArg(Scope *sc, | |
| 2783 Objects *tiargs, int i, TemplateParameters *parameters, Objects *dedtypes, | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2784 Declaration **psparam, int flags) |
| 336 | 2785 { |
| 2786 //printf("TemplateValueParameter::matchArg()\n"); | |
| 2787 | |
| 2788 Initializer *init; | |
| 2789 Declaration *sparam; | |
| 2790 MATCH m = MATCHexact; | |
| 2791 Expression *ei; | |
| 2792 Object *oarg; | |
| 2793 | |
| 2794 if (i < tiargs->dim) | |
| 2795 oarg = (Object *)tiargs->data[i]; | |
| 2796 else | |
| 2797 { // Get default argument instead | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2798 oarg = defaultArg(loc, sc); |
| 336 | 2799 if (!oarg) |
| 2800 { assert(i < dedtypes->dim); | |
| 2801 // It might have already been deduced | |
| 2802 oarg = (Object *)dedtypes->data[i]; | |
| 2803 if (!oarg) | |
| 2804 goto Lnomatch; | |
| 2805 } | |
| 2806 } | |
| 2807 | |
| 2808 ei = isExpression(oarg); | |
| 2809 Type *vt; | |
| 2810 | |
| 2811 if (!ei && oarg) | |
| 2812 goto Lnomatch; | |
| 2813 | |
| 2814 if (specValue) | |
| 2815 { | |
| 2816 if (!ei || ei == edummy) | |
| 2817 goto Lnomatch; | |
| 2818 | |
| 2819 Expression *e = specValue; | |
| 2820 | |
| 2821 e = e->semantic(sc); | |
| 2822 e = e->implicitCastTo(sc, valType); | |
| 2823 e = e->optimize(WANTvalue | WANTinterpret); | |
| 2824 | |
| 2825 ei = ei->syntaxCopy(); | |
| 2826 ei = ei->semantic(sc); | |
| 2827 ei = ei->optimize(WANTvalue | WANTinterpret); | |
| 2828 //printf("ei: %s, %s\n", ei->toChars(), ei->type->toChars()); | |
| 2829 //printf("e : %s, %s\n", e->toChars(), e->type->toChars()); | |
| 2830 if (!ei->equals(e)) | |
| 2831 goto Lnomatch; | |
| 2832 } | |
| 2833 else if (dedtypes->data[i]) | |
| 2834 { // Must match already deduced value | |
| 2835 Expression *e = (Expression *)dedtypes->data[i]; | |
| 2836 | |
| 2837 if (!ei || !ei->equals(e)) | |
| 2838 goto Lnomatch; | |
| 2839 } | |
| 2840 Lmatch: | |
| 2841 //printf("valType: %s, ty = %d\n", valType->toChars(), valType->ty); | |
| 2842 vt = valType->semantic(0, sc); | |
| 2843 //printf("ei: %s, %s\n", ei->toChars(), ei->type->toChars()); | |
| 2844 if (ei->type) | |
| 2845 { | |
| 2846 m = (MATCH)ei->implicitConvTo(vt); | |
| 2847 //printf("m: %d\n", m); | |
| 2848 if (!m) | |
| 2849 goto Lnomatch; | |
| 2850 } | |
| 2851 dedtypes->data[i] = ei; | |
| 2852 | |
| 2853 init = new ExpInitializer(loc, ei); | |
| 2854 sparam = new VarDeclaration(loc, vt, ident, init); | |
| 2855 sparam->storage_class = STCconst; | |
| 2856 *psparam = sparam; | |
| 2857 return m; | |
| 2858 | |
| 2859 Lnomatch: | |
| 2860 //printf("\tno match\n"); | |
| 2861 *psparam = NULL; | |
| 2862 return MATCHnomatch; | |
| 2863 } | |
| 2864 | |
| 2865 | |
| 2866 void TemplateValueParameter::print(Object *oarg, Object *oded) | |
| 2867 { | |
| 2868 printf(" %s\n", ident->toChars()); | |
| 2869 | |
| 2870 Expression *ea = isExpression(oded); | |
| 2871 | |
| 2872 if (specValue) | |
| 2873 printf("\tSpecialization: %s\n", specValue->toChars()); | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
2874 printf("\tParameter Value: %s\n", ea ? ea->toChars() : "NULL"); |
| 336 | 2875 } |
| 2876 | |
| 2877 | |
| 2878 void TemplateValueParameter::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 2879 { | |
| 2880 valType->toCBuffer(buf, ident, hgs); | |
| 2881 if (specValue) | |
| 2882 { | |
| 2883 buf->writestring(" : "); | |
| 2884 specValue->toCBuffer(buf, hgs); | |
| 2885 } | |
| 2886 if (defaultValue) | |
| 2887 { | |
| 2888 buf->writestring(" = "); | |
| 2889 defaultValue->toCBuffer(buf, hgs); | |
| 2890 } | |
| 2891 } | |
| 2892 | |
| 2893 | |
| 2894 void *TemplateValueParameter::dummyArg() | |
| 2895 { Expression *e; | |
| 2896 | |
| 2897 e = specValue; | |
| 2898 if (!e) | |
| 2899 { | |
| 2900 // Create a dummy value | |
| 2901 if (!edummy) | |
| 2902 edummy = valType->defaultInit(); | |
| 2903 e = edummy; | |
| 2904 } | |
| 2905 return (void *)e; | |
| 2906 } | |
| 2907 | |
| 2908 | |
| 2909 Object *TemplateValueParameter::specialization() | |
| 2910 { | |
| 2911 return specValue; | |
| 2912 } | |
| 2913 | |
| 2914 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
2915 Object *TemplateValueParameter::defaultArg(Loc loc, Scope *sc) |
| 336 | 2916 { |
| 2917 Expression *e = defaultValue; | |
| 2918 if (e) | |
| 2919 { | |
| 2920 e = e->syntaxCopy(); | |
| 2921 e = e->semantic(sc); | |
| 2922 #if DMDV2 | |
| 2923 if (e->op == TOKdefault) | |
| 2924 { DefaultInitExp *de = (DefaultInitExp *)e; | |
| 2925 e = de->resolve(loc, sc); | |
| 2926 } | |
| 2927 #endif | |
| 2928 } | |
| 2929 return e; | |
| 2930 } | |
| 2931 | |
| 2932 /* ======================== TemplateTupleParameter ========================== */ | |
| 2933 | |
| 2934 // variadic-parameter | |
| 2935 | |
| 2936 TemplateTupleParameter::TemplateTupleParameter(Loc loc, Identifier *ident) | |
| 2937 : TemplateParameter(loc, ident) | |
| 2938 { | |
| 2939 this->ident = ident; | |
| 2940 } | |
| 2941 | |
| 2942 TemplateTupleParameter *TemplateTupleParameter::isTemplateTupleParameter() | |
| 2943 { | |
| 2944 return this; | |
| 2945 } | |
| 2946 | |
| 2947 TemplateParameter *TemplateTupleParameter::syntaxCopy() | |
| 2948 { | |
| 2949 TemplateTupleParameter *tp = new TemplateTupleParameter(loc, ident); | |
| 2950 return tp; | |
| 2951 } | |
| 2952 | |
| 2953 void TemplateTupleParameter::declareParameter(Scope *sc) | |
| 2954 { | |
| 2955 TypeIdentifier *ti = new TypeIdentifier(loc, ident); | |
| 2956 sparam = new AliasDeclaration(loc, ident, ti); | |
| 2957 if (!sc->insert(sparam)) | |
| 2958 error(loc, "parameter '%s' multiply defined", ident->toChars()); | |
| 2959 } | |
| 2960 | |
| 2961 void TemplateTupleParameter::semantic(Scope *sc) | |
| 2962 { | |
| 2963 } | |
| 2964 | |
| 2965 int TemplateTupleParameter::overloadMatch(TemplateParameter *tp) | |
| 2966 { | |
| 2967 TemplateTupleParameter *tvp = tp->isTemplateTupleParameter(); | |
| 2968 | |
| 2969 if (tvp) | |
| 2970 { | |
| 2971 return 1; // match | |
| 2972 } | |
| 2973 | |
| 2974 Lnomatch: | |
| 2975 return 0; | |
| 2976 } | |
| 2977 | |
| 2978 MATCH TemplateTupleParameter::matchArg(Scope *sc, | |
| 2979 Objects *tiargs, int i, TemplateParameters *parameters, | |
| 2980 Objects *dedtypes, | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
2981 Declaration **psparam, int flags) |
| 336 | 2982 { |
| 2983 //printf("TemplateTupleParameter::matchArg()\n"); | |
| 2984 | |
| 2985 /* The rest of the actual arguments (tiargs[]) form the match | |
| 2986 * for the variadic parameter. | |
| 2987 */ | |
| 2988 assert(i + 1 == dedtypes->dim); // must be the last one | |
| 2989 Tuple *ovar; | |
| 2990 if (i + 1 == tiargs->dim && isTuple((Object *)tiargs->data[i])) | |
| 2991 ovar = isTuple((Object *)tiargs->data[i]); | |
| 2992 else | |
| 2993 { | |
| 2994 ovar = new Tuple(); | |
| 2995 //printf("ovar = %p\n", ovar); | |
| 2996 if (i < tiargs->dim) | |
| 2997 { | |
| 2998 //printf("i = %d, tiargs->dim = %d\n", i, tiargs->dim); | |
| 2999 ovar->objects.setDim(tiargs->dim - i); | |
| 3000 for (size_t j = 0; j < ovar->objects.dim; j++) | |
| 3001 ovar->objects.data[j] = tiargs->data[i + j]; | |
| 3002 } | |
| 3003 } | |
| 3004 *psparam = new TupleDeclaration(loc, ident, &ovar->objects); | |
| 3005 dedtypes->data[i] = (void *)ovar; | |
| 3006 return MATCHexact; | |
| 3007 } | |
| 3008 | |
| 3009 | |
| 3010 void TemplateTupleParameter::print(Object *oarg, Object *oded) | |
| 3011 { | |
| 3012 printf(" %s... [", ident->toChars()); | |
| 3013 Tuple *v = isTuple(oded); | |
| 3014 assert(v); | |
| 3015 | |
| 3016 //printf("|%d| ", v->objects.dim); | |
| 3017 for (int i = 0; i < v->objects.dim; i++) | |
| 3018 { | |
| 3019 if (i) | |
| 3020 printf(", "); | |
| 3021 | |
| 3022 Object *o = (Object *)v->objects.data[i]; | |
| 3023 | |
| 3024 Dsymbol *sa = isDsymbol(o); | |
| 3025 if (sa) | |
| 3026 printf("alias: %s", sa->toChars()); | |
| 3027 | |
| 3028 Type *ta = isType(o); | |
| 3029 if (ta) | |
| 3030 printf("type: %s", ta->toChars()); | |
| 3031 | |
| 3032 Expression *ea = isExpression(o); | |
| 3033 if (ea) | |
| 3034 printf("exp: %s", ea->toChars()); | |
| 3035 | |
| 3036 assert(!isTuple(o)); // no nested Tuple arguments | |
| 3037 } | |
| 3038 | |
| 3039 printf("]\n"); | |
| 3040 } | |
| 3041 | |
| 3042 void TemplateTupleParameter::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 3043 { | |
| 3044 buf->writestring(ident->toChars()); | |
| 3045 buf->writestring("..."); | |
| 3046 } | |
| 3047 | |
| 3048 | |
| 3049 void *TemplateTupleParameter::dummyArg() | |
| 3050 { | |
| 3051 return NULL; | |
| 3052 } | |
| 3053 | |
| 3054 | |
| 3055 Object *TemplateTupleParameter::specialization() | |
| 3056 { | |
| 3057 return NULL; | |
| 3058 } | |
| 3059 | |
| 3060 | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3061 Object *TemplateTupleParameter::defaultArg(Loc loc, Scope *sc) |
| 336 | 3062 { |
| 3063 return NULL; | |
| 3064 } | |
| 3065 | |
| 3066 /* ======================== TemplateInstance ================================ */ | |
| 3067 | |
| 3068 TemplateInstance::TemplateInstance(Loc loc, Identifier *ident) | |
| 3069 : ScopeDsymbol(NULL) | |
| 3070 { | |
| 3071 #if LOG | |
| 3072 printf("TemplateInstance(this = %p, ident = '%s')\n", this, ident ? ident->toChars() : "null"); | |
| 3073 #endif | |
| 3074 this->loc = loc; | |
| 3075 this->name = ident; | |
| 3076 this->tiargs = NULL; | |
| 3077 this->tempdecl = NULL; | |
| 3078 this->inst = NULL; | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3079 this->tinst = NULL; |
| 336 | 3080 this->argsym = NULL; |
| 3081 this->aliasdecl = NULL; | |
| 1587 | 3082 this->semanticRun = 0; |
| 336 | 3083 this->semantictiargsdone = 0; |
| 3084 this->withsym = NULL; | |
| 3085 this->nest = 0; | |
| 3086 this->havetempdecl = 0; | |
| 3087 this->isnested = NULL; | |
| 3088 this->errors = 0; | |
|
948
780530d1cad3
Revert templates to old behavior.
Christian Kamm <kamm incasoftware de>
parents:
946
diff
changeset
|
3089 |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3090 #if IN_LLVM |
|
948
780530d1cad3
Revert templates to old behavior.
Christian Kamm <kamm incasoftware de>
parents:
946
diff
changeset
|
3091 // LDC |
|
1067
7ce8355fbcc6
Improved template emission control for singleobj building.
Christian Kamm <kamm incasoftware de>
parents:
948
diff
changeset
|
3092 this->emittedInModule = NULL; |
|
948
780530d1cad3
Revert templates to old behavior.
Christian Kamm <kamm incasoftware de>
parents:
946
diff
changeset
|
3093 this->tmodule = NULL; |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3094 #endif |
| 336 | 3095 } |
| 3096 | |
|
875
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Merged DMD 1.038
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parents:
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changeset
|
3097 /***************** |
|
330f999ade44
Merged DMD 1.038
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diff
changeset
|
3098 * This constructor is only called when we figured out which function |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3099 * template to instantiate. |
|
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3100 */ |
| 336 | 3101 |
| 3102 TemplateInstance::TemplateInstance(Loc loc, TemplateDeclaration *td, Objects *tiargs) | |
| 3103 : ScopeDsymbol(NULL) | |
| 3104 { | |
| 3105 #if LOG | |
| 3106 printf("TemplateInstance(this = %p, tempdecl = '%s')\n", this, td->toChars()); | |
| 3107 #endif | |
| 3108 this->loc = loc; | |
| 3109 this->name = td->ident; | |
| 3110 this->tiargs = tiargs; | |
| 3111 this->tempdecl = td; | |
| 3112 this->inst = NULL; | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3113 this->tinst = NULL; |
| 336 | 3114 this->argsym = NULL; |
| 3115 this->aliasdecl = NULL; | |
| 1587 | 3116 this->semanticRun = 0; |
| 336 | 3117 this->semantictiargsdone = 1; |
| 3118 this->withsym = NULL; | |
| 3119 this->nest = 0; | |
| 3120 this->havetempdecl = 1; | |
| 3121 this->isnested = NULL; | |
| 3122 this->errors = 0; | |
|
940
39519a1ff603
Changed the way LDC determines if a template instantiation needs to get a definition, seems to speed up compile times quite a bit in some cases.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
876
diff
changeset
|
3123 |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3124 #if IN_LLVM |
|
940
39519a1ff603
Changed the way LDC determines if a template instantiation needs to get a definition, seems to speed up compile times quite a bit in some cases.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
876
diff
changeset
|
3125 // LDC |
|
1478
4dca8ed9d8b7
Fix #318 by making a list of all seen template instances in a module for
Christian Kamm <kamm incasoftware de>
parents:
1367
diff
changeset
|
3126 this->emittedInModule = NULL; |
|
940
39519a1ff603
Changed the way LDC determines if a template instantiation needs to get a definition, seems to speed up compile times quite a bit in some cases.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
876
diff
changeset
|
3127 this->tmodule = NULL; |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3128 #endif |
| 336 | 3129 |
| 3130 assert((size_t)tempdecl->scope > 0x10000); | |
| 3131 } | |
| 3132 | |
| 3133 | |
| 3134 Objects *TemplateInstance::arraySyntaxCopy(Objects *objs) | |
| 3135 { | |
| 3136 Objects *a = NULL; | |
| 3137 if (objs) | |
| 3138 { a = new Objects(); | |
| 3139 a->setDim(objs->dim); | |
| 3140 for (size_t i = 0; i < objs->dim; i++) | |
| 3141 { | |
| 3142 Type *ta = isType((Object *)objs->data[i]); | |
| 3143 if (ta) | |
| 3144 a->data[i] = ta->syntaxCopy(); | |
| 3145 else | |
| 3146 { | |
| 3147 Expression *ea = isExpression((Object *)objs->data[i]); | |
| 3148 assert(ea); | |
| 3149 a->data[i] = ea->syntaxCopy(); | |
| 3150 } | |
| 3151 } | |
| 3152 } | |
| 3153 return a; | |
| 3154 } | |
| 3155 | |
| 3156 Dsymbol *TemplateInstance::syntaxCopy(Dsymbol *s) | |
| 3157 { | |
| 3158 TemplateInstance *ti; | |
| 3159 | |
| 3160 if (s) | |
| 3161 ti = (TemplateInstance *)s; | |
| 3162 else | |
| 3163 ti = new TemplateInstance(loc, name); | |
| 3164 | |
| 3165 ti->tiargs = arraySyntaxCopy(tiargs); | |
| 3166 | |
| 3167 ScopeDsymbol::syntaxCopy(ti); | |
| 3168 return ti; | |
| 3169 } | |
| 3170 | |
| 3171 | |
| 3172 void TemplateInstance::semantic(Scope *sc) | |
| 3173 { | |
| 3174 if (global.errors) | |
| 3175 { | |
| 3176 if (!global.gag) | |
| 3177 { | |
| 3178 /* Trying to soldier on rarely generates useful messages | |
| 3179 * at this point. | |
| 3180 */ | |
| 3181 fatal(); | |
| 3182 } | |
| 3183 return; | |
| 3184 } | |
| 3185 #if LOG | |
| 3186 printf("\n+TemplateInstance::semantic('%s', this=%p)\n", toChars(), this); | |
| 3187 #endif | |
| 3188 if (inst) // if semantic() was already run | |
| 3189 { | |
| 3190 #if LOG | |
| 3191 printf("-TemplateInstance::semantic('%s', this=%p) already run\n", inst->toChars(), inst); | |
| 3192 #endif | |
| 3193 return; | |
| 3194 } | |
| 3195 | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3196 // get the enclosing template instance from the scope tinst |
|
8026319762be
Merged DMD 1.045 !!!
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parents:
1195
diff
changeset
|
3197 tinst = sc->tinst; |
|
8026319762be
Merged DMD 1.045 !!!
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parents:
1195
diff
changeset
|
3198 |
| 1587 | 3199 if (semanticRun != 0) |
| 336 | 3200 { |
| 3201 error(loc, "recursive template expansion"); | |
| 3202 // inst = this; | |
| 3203 return; | |
| 3204 } | |
| 1587 | 3205 semanticRun = 1; |
| 336 | 3206 |
|
561
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
3207 // get the enclosing template instance from the scope tinst |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
3208 tinst = sc->tinst; |
|
946
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3209 |
|
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3210 // get the module of the outermost enclosing instantiation |
|
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3211 if (tinst) |
|
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3212 tmodule = tinst->tmodule; |
|
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3213 else |
|
1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Christian Kamm <kamm incasoftware de>
parents:
940
diff
changeset
|
3214 tmodule = sc->module; |
|
948
780530d1cad3
Revert templates to old behavior.
Christian Kamm <kamm incasoftware de>
parents:
946
diff
changeset
|
3215 //printf("%s in %s\n", toChars(), tmodule->toChars()); |
|
561
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
3216 |
| 336 | 3217 #if LOG |
| 3218 printf("\tdo semantic\n"); | |
| 3219 #endif | |
| 3220 if (havetempdecl) | |
| 3221 { | |
| 3222 assert((size_t)tempdecl->scope > 0x10000); | |
| 3223 // Deduce tdtypes | |
| 3224 tdtypes.setDim(tempdecl->parameters->dim); | |
| 3225 if (!tempdecl->matchWithInstance(this, &tdtypes, 0)) | |
| 3226 { | |
| 3227 error("incompatible arguments for template instantiation"); | |
| 3228 inst = this; | |
| 3229 return; | |
| 3230 } | |
| 3231 } | |
| 3232 else | |
| 3233 { | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3234 /* Run semantic on each argument, place results in tiargs[] |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3235 * (if we havetempdecl, then tiargs is already evaluated) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3236 */ |
| 336 | 3237 semanticTiargs(sc); |
| 3238 | |
| 3239 tempdecl = findTemplateDeclaration(sc); | |
| 3240 if (tempdecl) | |
| 3241 tempdecl = findBestMatch(sc); | |
| 3242 if (!tempdecl || global.errors) | |
| 3243 { inst = this; | |
| 3244 //printf("error return %p, %d\n", tempdecl, global.errors); | |
| 3245 return; // error recovery | |
| 3246 } | |
| 3247 } | |
| 3248 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3249 hasNestedArgs(tiargs); |
| 336 | 3250 |
| 3251 /* See if there is an existing TemplateInstantiation that already | |
| 3252 * implements the typeargs. If so, just refer to that one instead. | |
| 3253 */ | |
| 3254 | |
| 3255 for (size_t i = 0; i < tempdecl->instances.dim; i++) | |
| 3256 { | |
| 3257 TemplateInstance *ti = (TemplateInstance *)tempdecl->instances.data[i]; | |
| 3258 #if LOG | |
| 3259 printf("\t%s: checking for match with instance %d (%p): '%s'\n", toChars(), i, ti, ti->toChars()); | |
| 3260 #endif | |
| 3261 assert(tdtypes.dim == ti->tdtypes.dim); | |
| 3262 | |
| 3263 // Nesting must match | |
| 3264 if (isnested != ti->isnested) | |
| 3265 continue; | |
| 3266 #if 0 | |
| 3267 if (isnested && sc->parent != ti->parent) | |
| 3268 continue; | |
| 3269 #endif | |
| 3270 for (size_t j = 0; j < tdtypes.dim; j++) | |
| 3271 { Object *o1 = (Object *)tdtypes.data[j]; | |
| 3272 Object *o2 = (Object *)ti->tdtypes.data[j]; | |
| 3273 if (!match(o1, o2, tempdecl, sc)) | |
| 3274 goto L1; | |
| 3275 } | |
| 3276 | |
| 3277 // It's a match | |
| 3278 inst = ti; | |
| 3279 parent = ti->parent; | |
| 3280 #if LOG | |
| 3281 printf("\tit's a match with instance %p\n", inst); | |
| 3282 #endif | |
| 3283 return; | |
| 3284 | |
| 3285 L1: | |
| 3286 ; | |
| 3287 } | |
| 3288 | |
| 3289 /* So, we need to implement 'this' instance. | |
| 3290 */ | |
| 3291 #if LOG | |
| 3292 printf("\timplement template instance '%s'\n", toChars()); | |
| 3293 #endif | |
| 3294 unsigned errorsave = global.errors; | |
| 3295 inst = this; | |
| 3296 int tempdecl_instance_idx = tempdecl->instances.dim; | |
| 3297 tempdecl->instances.push(this); | |
| 3298 parent = tempdecl->parent; | |
| 3299 //printf("parent = '%s'\n", parent->kind()); | |
| 3300 | |
| 3301 ident = genIdent(); // need an identifier for name mangling purposes. | |
| 3302 | |
| 3303 #if 1 | |
| 3304 if (isnested) | |
| 3305 parent = isnested; | |
| 3306 #endif | |
| 3307 //printf("parent = '%s'\n", parent->kind()); | |
| 3308 | |
| 3309 // Add 'this' to the enclosing scope's members[] so the semantic routines | |
| 3310 // will get called on the instance members | |
| 3311 #if 1 | |
| 3312 int dosemantic3 = 0; | |
| 3313 { Array *a; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
3314 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3315 Scope *scx = sc; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3316 #if 0 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3317 for (scx = sc; scx; scx = scx->enclosing) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3318 if (scx->scopesym) |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3319 break; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3320 #endif |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3321 |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3322 //if (scx && scx->scopesym) printf("3: scx is %s %s\n", scx->scopesym->kind(), scx->scopesym->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3323 if (scx && scx->scopesym && |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3324 scx->scopesym->members && !scx->scopesym->isTemplateMixin() |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3325 #if 1 // removed because it bloated compile times |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3326 /* The problem is if A imports B, and B imports A, and both A |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3327 * and B instantiate the same template, does the compilation of A |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3328 * or the compilation of B do the actual instantiation? |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3329 * |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3330 * see bugzilla 2500. |
|
875
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Merged DMD 1.038
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diff
changeset
|
3331 */ |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3332 && !scx->module->selfImports() |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3333 #endif |
|
875
330f999ade44
Merged DMD 1.038
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parents:
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diff
changeset
|
3334 ) |
| 336 | 3335 { |
|
875
330f999ade44
Merged DMD 1.038
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parents:
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diff
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|
3336 //printf("\t1: adding to %s %s\n", scx->scopesym->kind(), scx->scopesym->toChars()); |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
3337 a = scx->scopesym->members; |
| 336 | 3338 } |
| 3339 else | |
| 3340 { Module *m = sc->module->importedFrom; | |
| 3341 //printf("\t2: adding to module %s instead of module %s\n", m->toChars(), sc->module->toChars()); | |
| 3342 a = m->members; | |
| 1587 | 3343 if (m->semanticRun >= 3) |
| 336 | 3344 dosemantic3 = 1; |
| 3345 } | |
| 3346 for (int i = 0; 1; i++) | |
| 3347 { | |
| 3348 if (i == a->dim) | |
| 3349 { | |
| 3350 a->push(this); | |
| 3351 break; | |
| 3352 } | |
| 3353 if (this == (Dsymbol *)a->data[i]) // if already in Array | |
| 3354 break; | |
| 3355 } | |
| 3356 } | |
| 3357 #endif | |
| 3358 | |
| 3359 // Copy the syntax trees from the TemplateDeclaration | |
| 3360 members = Dsymbol::arraySyntaxCopy(tempdecl->members); | |
| 3361 | |
| 3362 // Create our own scope for the template parameters | |
| 3363 Scope *scope = tempdecl->scope; | |
| 1587 | 3364 if (!tempdecl->semanticRun) |
| 336 | 3365 { |
| 1587 | 3366 error("template instantiation %s forward references template declaration %s\n", toChars(), tempdecl->toChars()); |
| 336 | 3367 return; |
| 3368 } | |
| 3369 | |
| 3370 #if LOG | |
| 3371 printf("\tcreate scope for template parameters '%s'\n", toChars()); | |
| 3372 #endif | |
| 3373 argsym = new ScopeDsymbol(); | |
| 3374 argsym->parent = scope->parent; | |
| 3375 scope = scope->push(argsym); | |
| 3376 | |
| 3377 // Declare each template parameter as an alias for the argument type | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3378 Scope *paramscope = scope->push(); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3379 paramscope->stc = 0; |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3380 declareParameters(paramscope); |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3381 paramscope->pop(); |
| 336 | 3382 |
| 3383 // Add members of template instance to template instance symbol table | |
| 3384 // parent = scope->scopesym; | |
| 3385 symtab = new DsymbolTable(); | |
| 3386 int memnum = 0; | |
| 3387 for (int i = 0; i < members->dim; i++) | |
| 3388 { | |
| 3389 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 3390 #if LOG | |
| 3391 printf("\t[%d] adding member '%s' %p kind %s to '%s', memnum = %d\n", i, s->toChars(), s, s->kind(), this->toChars(), memnum); | |
| 3392 #endif | |
| 3393 memnum |= s->addMember(scope, this, memnum); | |
| 3394 } | |
| 3395 #if LOG | |
| 3396 printf("adding members done\n"); | |
| 3397 #endif | |
| 3398 | |
| 3399 /* See if there is only one member of template instance, and that | |
| 3400 * member has the same name as the template instance. | |
| 3401 * If so, this template instance becomes an alias for that member. | |
| 3402 */ | |
| 3403 //printf("members->dim = %d\n", members->dim); | |
| 3404 if (members->dim) | |
| 3405 { | |
| 3406 Dsymbol *s; | |
| 3407 if (Dsymbol::oneMembers(members, &s) && s) | |
| 3408 { | |
| 3409 //printf("s->kind = '%s'\n", s->kind()); | |
| 3410 //s->print(); | |
| 3411 //printf("'%s', '%s'\n", s->ident->toChars(), tempdecl->ident->toChars()); | |
| 3412 if (s->ident && s->ident->equals(tempdecl->ident)) | |
| 3413 { | |
| 3414 //printf("setting aliasdecl\n"); | |
| 3415 aliasdecl = new AliasDeclaration(loc, s->ident, s); | |
|
1089
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3416 |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3417 #if IN_LLVM |
|
1089
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3418 // LDC propagate internal information |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3419 if (tempdecl->llvmInternal) { |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3420 s->llvmInternal = tempdecl->llvmInternal; |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3421 if (FuncDeclaration* fd = s->isFuncDeclaration()) { |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3422 fd->intrinsicName = tempdecl->intrinsicName; |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3423 } |
|
d33b0d4b816a
Make sure instantiations of template intrinsics are marked as intrinsics.
Frits van Bommel <fvbommel wxs.nl>
parents:
1067
diff
changeset
|
3424 } |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
3425 #endif |
| 336 | 3426 } |
| 3427 } | |
| 3428 } | |
| 3429 | |
| 3430 // Do semantic() analysis on template instance members | |
| 3431 #if LOG | |
| 3432 printf("\tdo semantic() on template instance members '%s'\n", toChars()); | |
| 3433 #endif | |
| 3434 Scope *sc2; | |
| 3435 sc2 = scope->push(this); | |
| 3436 //printf("isnested = %d, sc->parent = %s\n", isnested, sc->parent->toChars()); | |
| 3437 sc2->parent = /*isnested ? sc->parent :*/ this; | |
|
561
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
3438 sc2->tinst = this; |
| 336 | 3439 |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3440 #if WINDOWS_SEH |
| 336 | 3441 __try |
| 3442 { | |
| 3443 #endif | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3444 static int nest; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3445 //printf("%d\n", nest); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3446 if (++nest > 500) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3447 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3448 global.gag = 0; // ensure error message gets printed |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3449 error("recursive expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3450 fatal(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3451 } |
| 336 | 3452 for (int i = 0; i < members->dim; i++) |
| 3453 { | |
| 3454 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 3455 //printf("\t[%d] semantic on '%s' %p kind %s in '%s'\n", i, s->toChars(), s, s->kind(), this->toChars()); | |
| 3456 //printf("test: isnested = %d, sc2->parent = %s\n", isnested, sc2->parent->toChars()); | |
| 3457 // if (isnested) | |
| 3458 // s->parent = sc->parent; | |
| 3459 //printf("test3: isnested = %d, s->parent = %s\n", isnested, s->parent->toChars()); | |
| 3460 s->semantic(sc2); | |
| 3461 //printf("test4: isnested = %d, s->parent = %s\n", isnested, s->parent->toChars()); | |
| 3462 sc2->module->runDeferredSemantic(); | |
| 3463 } | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3464 --nest; |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3465 #if WINDOWS_SEH |
| 336 | 3466 } |
| 3467 __except (__ehfilter(GetExceptionInformation())) | |
| 3468 { | |
| 3469 global.gag = 0; // ensure error message gets printed | |
| 3470 error("recursive expansion"); | |
| 3471 fatal(); | |
| 3472 } | |
| 3473 #endif | |
| 3474 | |
| 3475 /* If any of the instantiation members didn't get semantic() run | |
| 3476 * on them due to forward references, we cannot run semantic2() | |
| 3477 * or semantic3() yet. | |
| 3478 */ | |
| 3479 for (size_t i = 0; i < Module::deferred.dim; i++) | |
| 3480 { Dsymbol *sd = (Dsymbol *)Module::deferred.data[i]; | |
| 3481 | |
| 3482 if (sd->parent == this) | |
| 3483 goto Laftersemantic; | |
| 3484 } | |
| 3485 | |
| 3486 /* The problem is when to parse the initializer for a variable. | |
| 3487 * Perhaps VarDeclaration::semantic() should do it like it does | |
| 3488 * for initializers inside a function. | |
| 3489 */ | |
| 3490 // if (sc->parent->isFuncDeclaration()) | |
| 3491 | |
| 3492 /* BUG 782: this has problems if the classes this depends on | |
| 3493 * are forward referenced. Find a way to defer semantic() | |
| 3494 * on this template. | |
| 3495 */ | |
| 3496 semantic2(sc2); | |
| 3497 | |
| 3498 if (sc->func || dosemantic3) | |
| 3499 { | |
| 3500 semantic3(sc2); | |
| 3501 } | |
| 3502 | |
| 3503 Laftersemantic: | |
| 3504 sc2->pop(); | |
| 3505 | |
| 3506 scope->pop(); | |
| 3507 | |
| 3508 // Give additional context info if error occurred during instantiation | |
| 3509 if (global.errors != errorsave) | |
| 3510 { | |
| 3511 error("error instantiating"); | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3512 if (tinst && !global.gag) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3513 { tinst->printInstantiationTrace(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3514 fatal(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
3515 } |
| 336 | 3516 errors = 1; |
| 3517 if (global.gag) | |
| 3518 tempdecl->instances.remove(tempdecl_instance_idx); | |
| 3519 } | |
| 3520 | |
| 3521 #if LOG | |
| 3522 printf("-TemplateInstance::semantic('%s', this=%p)\n", toChars(), this); | |
| 3523 #endif | |
| 3524 } | |
| 3525 | |
| 3526 | |
| 3527 void TemplateInstance::semanticTiargs(Scope *sc) | |
| 3528 { | |
| 3529 //printf("+TemplateInstance::semanticTiargs() %s\n", toChars()); | |
| 3530 if (semantictiargsdone) | |
| 3531 return; | |
| 3532 semantictiargsdone = 1; | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3533 semanticTiargs(loc, sc, tiargs, 0); |
| 336 | 3534 } |
| 3535 | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3536 /********************************** |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3537 * Input: |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3538 * flags 1: replace const variables with their initializers |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3539 */ |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3540 |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3541 void TemplateInstance::semanticTiargs(Loc loc, Scope *sc, Objects *tiargs, int flags) |
| 336 | 3542 { |
| 3543 // Run semantic on each argument, place results in tiargs[] | |
| 3544 //printf("+TemplateInstance::semanticTiargs() %s\n", toChars()); | |
| 3545 if (!tiargs) | |
| 3546 return; | |
| 3547 for (size_t j = 0; j < tiargs->dim; j++) | |
| 3548 { | |
| 3549 Object *o = (Object *)tiargs->data[j]; | |
| 3550 Type *ta = isType(o); | |
| 3551 Expression *ea = isExpression(o); | |
| 3552 Dsymbol *sa = isDsymbol(o); | |
| 3553 | |
| 3554 //printf("1: tiargs->data[%d] = %p, %p, %p, ea=%p, ta=%p\n", j, o, isDsymbol(o), isTuple(o), ea, ta); | |
| 3555 if (ta) | |
| 3556 { | |
| 3557 //printf("type %s\n", ta->toChars()); | |
| 3558 // It might really be an Expression or an Alias | |
| 3559 ta->resolve(loc, sc, &ea, &ta, &sa); | |
| 3560 if (ea) | |
| 3561 { | |
| 3562 ea = ea->semantic(sc); | |
| 3563 ea = ea->optimize(WANTvalue | WANTinterpret); | |
| 3564 tiargs->data[j] = ea; | |
| 3565 } | |
| 3566 else if (sa) | |
| 3567 { tiargs->data[j] = sa; | |
| 3568 TupleDeclaration *d = sa->toAlias()->isTupleDeclaration(); | |
| 3569 if (d) | |
| 3570 { | |
| 3571 size_t dim = d->objects->dim; | |
| 3572 tiargs->remove(j); | |
| 3573 tiargs->insert(j, d->objects); | |
| 3574 j--; | |
| 3575 } | |
| 3576 } | |
| 3577 else if (ta) | |
| 3578 { | |
| 1587 | 3579 Ltype: |
| 336 | 3580 if (ta->ty == Ttuple) |
| 3581 { // Expand tuple | |
| 3582 TypeTuple *tt = (TypeTuple *)ta; | |
| 3583 size_t dim = tt->arguments->dim; | |
| 3584 tiargs->remove(j); | |
| 3585 if (dim) | |
| 3586 { tiargs->reserve(dim); | |
| 3587 for (size_t i = 0; i < dim; i++) | |
|
1607
207a8a438dea
Merge DMD r253: refactor: Argument => Parameter
Leandro Lucarella <llucax@gmail.com>
parents:
1587
diff
changeset
|
3588 { Parameter *arg = (Parameter *)tt->arguments->data[i]; |
| 336 | 3589 tiargs->insert(j + i, arg->type); |
| 3590 } | |
| 3591 } | |
| 3592 j--; | |
| 3593 } | |
| 3594 else | |
| 3595 tiargs->data[j] = ta; | |
| 3596 } | |
| 3597 else | |
| 3598 { | |
| 3599 assert(global.errors); | |
| 3600 tiargs->data[j] = Type::terror; | |
| 3601 } | |
| 3602 } | |
| 3603 else if (ea) | |
| 3604 { | |
| 3605 if (!ea) | |
| 3606 { assert(global.errors); | |
| 3607 ea = new IntegerExp(0); | |
| 3608 } | |
| 3609 assert(ea); | |
| 3610 ea = ea->semantic(sc); | |
| 3611 ea = ea->optimize(WANTvalue | WANTinterpret); | |
| 3612 tiargs->data[j] = ea; | |
| 3613 if (ea->op == TOKtype) | |
| 1587 | 3614 { ta = ea->type; |
| 3615 goto Ltype; | |
| 3616 } | |
| 3617 if (ea->op == TOKtuple) | |
| 3618 { // Expand tuple | |
| 3619 TupleExp *te = (TupleExp *)ea; | |
| 3620 size_t dim = te->exps->dim; | |
| 3621 tiargs->remove(j); | |
| 3622 if (dim) | |
| 3623 { tiargs->reserve(dim); | |
| 3624 for (size_t i = 0; i < dim; i++) | |
| 3625 tiargs->insert(j + i, te->exps->data[i]); | |
| 3626 } | |
| 3627 j--; | |
| 3628 } | |
| 336 | 3629 } |
| 3630 else if (sa) | |
| 3631 { | |
| 3632 } | |
| 3633 else | |
| 3634 { | |
| 3635 assert(0); | |
| 3636 } | |
| 3637 //printf("1: tiargs->data[%d] = %p\n", j, tiargs->data[j]); | |
| 3638 } | |
| 3639 #if 0 | |
| 3640 printf("-TemplateInstance::semanticTiargs('%s', this=%p)\n", toChars(), this); | |
| 3641 for (size_t j = 0; j < tiargs->dim; j++) | |
| 3642 { | |
| 3643 Object *o = (Object *)tiargs->data[j]; | |
| 3644 Type *ta = isType(o); | |
| 3645 Expression *ea = isExpression(o); | |
| 3646 Dsymbol *sa = isDsymbol(o); | |
| 3647 Tuple *va = isTuple(o); | |
| 3648 | |
| 3649 printf("\ttiargs[%d] = ta %p, ea %p, sa %p, va %p\n", j, ta, ea, sa, va); | |
| 3650 } | |
| 3651 #endif | |
| 3652 } | |
| 3653 | |
| 3654 /********************************************** | |
| 3655 * Find template declaration corresponding to template instance. | |
| 3656 */ | |
| 3657 | |
| 3658 TemplateDeclaration *TemplateInstance::findTemplateDeclaration(Scope *sc) | |
| 3659 { | |
| 3660 //printf("TemplateInstance::findTemplateDeclaration() %s\n", toChars()); | |
| 3661 if (!tempdecl) | |
| 3662 { | |
| 3663 /* Given: | |
| 3664 * foo!( ... ) | |
| 3665 * figure out which TemplateDeclaration foo refers to. | |
| 3666 */ | |
| 3667 Dsymbol *s; | |
| 3668 Dsymbol *scopesym; | |
| 3669 Identifier *id; | |
| 3670 int i; | |
| 3671 | |
| 3672 id = name; | |
| 3673 s = sc->search(loc, id, &scopesym); | |
| 3674 if (!s) | |
| 3675 { error("identifier '%s' is not defined", id->toChars()); | |
| 3676 return NULL; | |
| 3677 } | |
| 3678 #if LOG | |
| 3679 printf("It's an instance of '%s' kind '%s'\n", s->toChars(), s->kind()); | |
| 3680 if (s->parent) | |
| 3681 printf("s->parent = '%s'\n", s->parent->toChars()); | |
| 3682 #endif | |
| 3683 withsym = scopesym->isWithScopeSymbol(); | |
| 3684 | |
| 3685 /* We might have found an alias within a template when | |
| 3686 * we really want the template. | |
| 3687 */ | |
| 3688 TemplateInstance *ti; | |
| 3689 if (s->parent && | |
| 3690 (ti = s->parent->isTemplateInstance()) != NULL) | |
| 3691 { | |
| 3692 if ( | |
| 3693 (ti->name == id || | |
| 3694 ti->toAlias()->ident == id) | |
| 3695 && | |
| 3696 ti->tempdecl) | |
| 3697 { | |
| 3698 /* This is so that one can refer to the enclosing | |
| 3699 * template, even if it has the same name as a member | |
| 3700 * of the template, if it has a !(arguments) | |
| 3701 */ | |
| 3702 tempdecl = ti->tempdecl; | |
| 3703 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 3704 tempdecl = tempdecl->overroot; // then get the start | |
| 3705 s = tempdecl; | |
| 3706 } | |
| 3707 } | |
| 3708 | |
| 3709 s = s->toAlias(); | |
| 3710 | |
| 3711 /* It should be a TemplateDeclaration, not some other symbol | |
| 3712 */ | |
| 3713 tempdecl = s->isTemplateDeclaration(); | |
| 3714 if (!tempdecl) | |
| 3715 { | |
| 3716 if (!s->parent && global.errors) | |
| 3717 return NULL; | |
| 3718 if (!s->parent && s->getType()) | |
| 3719 { Dsymbol *s2 = s->getType()->toDsymbol(sc); | |
| 3720 if (!s2) | |
| 3721 { | |
| 3722 error("%s is not a template declaration, it is a %s", id->toChars(), s->kind()); | |
| 3723 return NULL; | |
| 3724 } | |
| 3725 s = s2; | |
| 3726 } | |
| 3727 #ifdef DEBUG | |
| 3728 //if (!s->parent) printf("s = %s %s\n", s->kind(), s->toChars()); | |
| 3729 #endif | |
| 3730 //assert(s->parent); | |
| 3731 TemplateInstance *ti = s->parent ? s->parent->isTemplateInstance() : NULL; | |
| 3732 if (ti && | |
| 3733 (ti->name == id || | |
| 3734 ti->toAlias()->ident == id) | |
| 3735 && | |
| 3736 ti->tempdecl) | |
| 3737 { | |
| 3738 /* This is so that one can refer to the enclosing | |
| 3739 * template, even if it has the same name as a member | |
| 3740 * of the template, if it has a !(arguments) | |
| 3741 */ | |
| 3742 tempdecl = ti->tempdecl; | |
| 3743 if (tempdecl->overroot) // if not start of overloaded list of TemplateDeclaration's | |
| 3744 tempdecl = tempdecl->overroot; // then get the start | |
| 3745 } | |
| 3746 else | |
| 3747 { | |
| 3748 error("%s is not a template declaration, it is a %s", id->toChars(), s->kind()); | |
| 3749 return NULL; | |
| 3750 } | |
| 3751 } | |
| 3752 } | |
| 3753 else | |
| 3754 assert(tempdecl->isTemplateDeclaration()); | |
| 3755 return tempdecl; | |
| 3756 } | |
| 3757 | |
| 3758 TemplateDeclaration *TemplateInstance::findBestMatch(Scope *sc) | |
| 3759 { | |
| 3760 /* Since there can be multiple TemplateDeclaration's with the same | |
| 3761 * name, look for the best match. | |
| 3762 */ | |
| 3763 TemplateDeclaration *td_ambig = NULL; | |
| 3764 TemplateDeclaration *td_best = NULL; | |
| 3765 MATCH m_best = MATCHnomatch; | |
| 3766 Objects dedtypes; | |
| 3767 | |
| 3768 #if LOG | |
| 3769 printf("TemplateInstance::findBestMatch()\n"); | |
| 3770 #endif | |
| 1587 | 3771 // First look for forward references |
| 3772 for (TemplateDeclaration *td = tempdecl; td; td = td->overnext) | |
| 3773 { | |
| 3774 if (!td->semanticRun) | |
| 3775 { | |
| 3776 if (td->scope) | |
| 3777 { // Try to fix forward reference | |
| 3778 td->semantic(td->scope); | |
| 3779 } | |
| 3780 if (!td->semanticRun) | |
| 3781 { | |
| 3782 error("%s forward references template declaration %s\n", toChars(), td->toChars()); | |
| 3783 return NULL; | |
| 3784 } | |
| 3785 } | |
| 3786 } | |
| 3787 | |
| 336 | 3788 for (TemplateDeclaration *td = tempdecl; td; td = td->overnext) |
| 3789 { | |
| 3790 MATCH m; | |
| 3791 | |
| 3792 //if (tiargs->dim) printf("2: tiargs->dim = %d, data[0] = %p\n", tiargs->dim, tiargs->data[0]); | |
| 3793 | |
| 3794 // If more arguments than parameters, | |
| 3795 // then this is no match. | |
| 3796 if (td->parameters->dim < tiargs->dim) | |
| 3797 { | |
| 3798 if (!td->isVariadic()) | |
| 3799 continue; | |
| 3800 } | |
| 3801 | |
| 3802 dedtypes.setDim(td->parameters->dim); | |
| 3803 dedtypes.zero(); | |
| 1587 | 3804 assert(td->semanticRun); |
| 336 | 3805 m = td->matchWithInstance(this, &dedtypes, 0); |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3806 //printf("matchWithInstance = %d\n", m); |
| 336 | 3807 if (!m) // no match at all |
| 3808 continue; | |
| 3809 | |
| 3810 if (m < m_best) | |
| 3811 goto Ltd_best; | |
| 3812 if (m > m_best) | |
| 3813 goto Ltd; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
3814 |
| 336 | 3815 { |
| 3816 // Disambiguate by picking the most specialized TemplateDeclaration | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3817 MATCH c1 = td->leastAsSpecialized(td_best); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3818 MATCH c2 = td_best->leastAsSpecialized(td); |
| 336 | 3819 //printf("c1 = %d, c2 = %d\n", c1, c2); |
| 3820 | |
| 3821 if (c1 > c2) | |
| 3822 goto Ltd; | |
| 3823 else if (c1 < c2) | |
| 3824 goto Ltd_best; | |
| 3825 else | |
| 3826 goto Lambig; | |
| 3827 } | |
| 3828 | |
| 3829 Lambig: // td_best and td are ambiguous | |
| 3830 td_ambig = td; | |
| 3831 continue; | |
| 3832 | |
| 3833 Ltd_best: // td_best is the best match so far | |
| 3834 td_ambig = NULL; | |
| 3835 continue; | |
| 3836 | |
| 3837 Ltd: // td is the new best match | |
| 3838 td_ambig = NULL; | |
| 3839 td_best = td; | |
| 3840 m_best = m; | |
| 3841 tdtypes.setDim(dedtypes.dim); | |
| 3842 memcpy(tdtypes.data, dedtypes.data, tdtypes.dim * sizeof(void *)); | |
| 3843 continue; | |
| 3844 } | |
| 3845 | |
| 3846 if (!td_best) | |
| 3847 { | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3848 if (tempdecl && !tempdecl->overnext) |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3849 // Only one template, so we can give better error message |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3850 error("%s does not match template declaration %s", toChars(), tempdecl->toChars()); |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3851 else |
|
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3852 error("%s does not match any template declaration", toChars()); |
| 336 | 3853 return NULL; |
| 3854 } | |
| 3855 if (td_ambig) | |
| 3856 { | |
| 3857 error("%s matches more than one template declaration, %s and %s", | |
| 3858 toChars(), td_best->toChars(), td_ambig->toChars()); | |
| 3859 } | |
| 3860 | |
| 3861 /* The best match is td_best | |
| 3862 */ | |
| 3863 tempdecl = td_best; | |
| 3864 | |
| 3865 #if 0 | |
| 3866 /* Cast any value arguments to be same type as value parameter | |
| 3867 */ | |
| 3868 for (size_t i = 0; i < tiargs->dim; i++) | |
| 3869 { Object *o = (Object *)tiargs->data[i]; | |
| 3870 Expression *ea = isExpression(o); // value argument | |
| 3871 TemplateParameter *tp = (TemplateParameter *)tempdecl->parameters->data[i]; | |
| 3872 assert(tp); | |
| 3873 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 3874 if (tvp) | |
| 3875 { | |
| 3876 assert(ea); | |
| 3877 ea = ea->castTo(tvp->valType); | |
| 3878 ea = ea->optimize(WANTvalue | WANTinterpret); | |
| 3879 tiargs->data[i] = (Object *)ea; | |
| 3880 } | |
| 3881 } | |
| 3882 #endif | |
| 3883 | |
| 3884 #if LOG | |
| 3885 printf("\tIt's a match with template declaration '%s'\n", tempdecl->toChars()); | |
| 3886 #endif | |
| 3887 return tempdecl; | |
| 3888 } | |
| 3889 | |
| 3890 | |
| 3891 /***************************************** | |
| 3892 * Determines if a TemplateInstance will need a nested | |
| 3893 * generation of the TemplateDeclaration. | |
| 3894 */ | |
| 3895 | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3896 int TemplateInstance::hasNestedArgs(Objects *args) |
| 336 | 3897 { int nested = 0; |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3898 //printf("TemplateInstance::hasNestedArgs('%s')\n", tempdecl->ident->toChars()); |
| 336 | 3899 |
| 3900 /* A nested instance happens when an argument references a local | |
| 3901 * symbol that is on the stack. | |
| 3902 */ | |
| 3903 for (size_t i = 0; i < args->dim; i++) | |
| 3904 { Object *o = (Object *)args->data[i]; | |
| 3905 Expression *ea = isExpression(o); | |
| 3906 Dsymbol *sa = isDsymbol(o); | |
| 3907 Tuple *va = isTuple(o); | |
| 3908 if (ea) | |
| 3909 { | |
| 3910 if (ea->op == TOKvar) | |
| 3911 { | |
| 3912 sa = ((VarExp *)ea)->var; | |
| 3913 goto Lsa; | |
| 3914 } | |
| 3915 if (ea->op == TOKfunction) | |
| 3916 { | |
| 3917 sa = ((FuncExp *)ea)->fd; | |
| 3918 goto Lsa; | |
| 3919 } | |
| 3920 } | |
| 3921 else if (sa) | |
| 3922 { | |
| 3923 Lsa: | |
| 3924 Declaration *d = sa->isDeclaration(); | |
| 3925 if (d && !d->isDataseg() && | |
| 3926 #if DMDV2 | |
| 3927 !(d->storage_class & STCmanifest) && | |
| 3928 #endif | |
| 3929 (!d->isFuncDeclaration() || d->isFuncDeclaration()->isNested()) && | |
| 3930 !isTemplateMixin()) | |
| 3931 { | |
| 3932 // if module level template | |
| 3933 if (tempdecl->toParent()->isModule()) | |
| 3934 { Dsymbol *dparent = d->toParent(); | |
| 3935 if (!isnested) | |
| 3936 isnested = dparent; | |
| 3937 else if (isnested != dparent) | |
| 3938 { | |
| 3939 /* Select the more deeply nested of the two. | |
| 3940 * Error if one is not nested inside the other. | |
| 3941 */ | |
| 3942 for (Dsymbol *p = isnested; p; p = p->parent) | |
| 3943 { | |
| 3944 if (p == dparent) | |
| 3945 goto L1; // isnested is most nested | |
| 3946 } | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3947 for (Dsymbol *p = dparent; p; p = p->parent) |
| 336 | 3948 { |
| 3949 if (p == isnested) | |
| 3950 { isnested = dparent; | |
| 3951 goto L1; // dparent is most nested | |
| 3952 } | |
| 3953 } | |
|
876
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3954 error("%s is nested in both %s and %s", |
|
27a379f288bf
Merged DMD 1.039
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
875
diff
changeset
|
3955 toChars(), isnested->toChars(), dparent->toChars()); |
| 336 | 3956 } |
| 3957 L1: | |
| 3958 //printf("\tnested inside %s\n", isnested->toChars()); | |
| 3959 nested |= 1; | |
| 3960 } | |
| 3961 else | |
|
1195
e961851fb8be
Merged DMD 1.042.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1174
diff
changeset
|
3962 error("cannot use local '%s' as parameter to non-global template %s", d->toChars(), tempdecl->toChars()); |
| 336 | 3963 } |
| 3964 } | |
| 3965 else if (va) | |
| 3966 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3967 nested |= hasNestedArgs(&va->objects); |
| 336 | 3968 } |
| 3969 } | |
| 3970 return nested; | |
| 3971 } | |
| 3972 | |
| 3973 /**************************************** | |
| 3974 * This instance needs an identifier for name mangling purposes. | |
| 3975 * Create one by taking the template declaration name and adding | |
| 3976 * the type signature for it. | |
| 3977 */ | |
| 3978 | |
| 3979 Identifier *TemplateInstance::genIdent() | |
| 3980 { OutBuffer buf; | |
| 3981 char *id; | |
| 3982 Objects *args; | |
| 3983 | |
| 3984 //printf("TemplateInstance::genIdent('%s')\n", tempdecl->ident->toChars()); | |
| 3985 id = tempdecl->ident->toChars(); | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
3986 buf.printf("__T%zu%s", strlen(id), id); |
| 336 | 3987 args = tiargs; |
| 3988 for (int i = 0; i < args->dim; i++) | |
| 3989 { Object *o = (Object *)args->data[i]; | |
| 3990 Type *ta = isType(o); | |
| 3991 Expression *ea = isExpression(o); | |
| 3992 Dsymbol *sa = isDsymbol(o); | |
| 3993 Tuple *va = isTuple(o); | |
| 3994 //printf("\to %p ta %p ea %p sa %p va %p\n", o, ta, ea, sa, va); | |
| 3995 if (ta) | |
| 3996 { | |
| 3997 buf.writeByte('T'); | |
| 3998 if (ta->deco) | |
| 3999 buf.writestring(ta->deco); | |
| 4000 else | |
| 4001 { | |
| 4002 #ifdef DEBUG | |
| 4003 printf("ta = %d, %s\n", ta->ty, ta->toChars()); | |
| 4004 #endif | |
| 4005 assert(global.errors); | |
| 4006 } | |
| 4007 } | |
| 4008 else if (ea) | |
| 4009 { sinteger_t v; | |
| 4010 real_t r; | |
| 4011 | |
| 1587 | 4012 ea = ea->optimize(WANTvalue | WANTinterpret); |
| 336 | 4013 if (ea->op == TOKvar) |
| 4014 { | |
| 4015 sa = ((VarExp *)ea)->var; | |
| 4016 ea = NULL; | |
| 4017 goto Lsa; | |
| 4018 } | |
| 4019 if (ea->op == TOKfunction) | |
| 4020 { | |
| 4021 sa = ((FuncExp *)ea)->fd; | |
| 4022 ea = NULL; | |
| 4023 goto Lsa; | |
| 4024 } | |
| 4025 buf.writeByte('V'); | |
| 4026 if (ea->op == TOKtuple) | |
| 4027 { ea->error("tuple is not a valid template value argument"); | |
| 4028 continue; | |
| 4029 } | |
| 4030 #if 1 | |
| 4031 /* Use deco that matches what it would be for a function parameter | |
| 4032 */ | |
| 4033 buf.writestring(ea->type->deco); | |
| 4034 #else | |
| 4035 // Use type of parameter, not type of argument | |
| 4036 TemplateParameter *tp = (TemplateParameter *)tempdecl->parameters->data[i]; | |
| 4037 assert(tp); | |
| 4038 TemplateValueParameter *tvp = tp->isTemplateValueParameter(); | |
| 4039 assert(tvp); | |
| 4040 buf.writestring(tvp->valType->deco); | |
| 4041 #endif | |
| 4042 ea->toMangleBuffer(&buf); | |
| 4043 } | |
| 4044 else if (sa) | |
| 4045 { | |
| 4046 Lsa: | |
| 4047 buf.writeByte('S'); | |
| 4048 Declaration *d = sa->isDeclaration(); | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4049 if (d && (!d->type || !d->type->deco)) |
| 336 | 4050 error("forward reference of %s", d->toChars()); |
| 4051 else | |
| 4052 { | |
| 4053 char *p = sa->mangle(); | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1089
diff
changeset
|
4054 buf.printf("%zu%s", strlen(p), p); |
| 336 | 4055 } |
| 4056 } | |
| 4057 else if (va) | |
| 4058 { | |
| 4059 assert(i + 1 == args->dim); // must be last one | |
| 4060 args = &va->objects; | |
| 4061 i = -1; | |
| 4062 } | |
| 4063 else | |
| 4064 assert(0); | |
| 4065 } | |
| 4066 buf.writeByte('Z'); | |
| 4067 id = buf.toChars(); | |
| 4068 buf.data = NULL; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4069 //printf("\tgenIdent = %s\n", id); |
| 336 | 4070 return new Identifier(id, TOKidentifier); |
| 4071 } | |
| 4072 | |
| 4073 | |
| 4074 /**************************************************** | |
| 4075 * Declare parameters of template instance, initialize them with the | |
| 4076 * template instance arguments. | |
| 4077 */ | |
| 4078 | |
| 1587 | 4079 void TemplateInstance::declareParameters(Scope *sc) |
| 336 | 4080 { |
| 4081 //printf("TemplateInstance::declareParameters()\n"); | |
| 4082 for (int i = 0; i < tdtypes.dim; i++) | |
| 4083 { | |
| 4084 TemplateParameter *tp = (TemplateParameter *)tempdecl->parameters->data[i]; | |
| 4085 //Object *o = (Object *)tiargs->data[i]; | |
|
875
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
664
diff
changeset
|
4086 Object *o = (Object *)tdtypes.data[i]; // initializer for tp |
| 336 | 4087 |
| 4088 //printf("\ttdtypes[%d] = %p\n", i, o); | |
| 1587 | 4089 tempdecl->declareParameter(sc, tp, o); |
| 336 | 4090 } |
| 4091 } | |
| 4092 | |
| 4093 | |
|
1609
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4094 /***************************************************** |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4095 * Determine if template instance is really a template function, |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4096 * and that template function needs to infer types from the function |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4097 * arguments. |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4098 */ |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4099 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4100 int TemplateInstance::needsTypeInference(Scope *sc) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4101 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4102 //printf("TemplateInstance::needsTypeInference() %s\n", toChars()); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4103 if (!tempdecl) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4104 tempdecl = findTemplateDeclaration(sc); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4105 for (TemplateDeclaration *td = tempdecl; td; td = td->overnext) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4106 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4107 /* If any of the overloaded template declarations need inference, |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4108 * then return TRUE |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4109 */ |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4110 FuncDeclaration *fd; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4111 if (!td->onemember || |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4112 (fd = td->onemember->toAlias()->isFuncDeclaration()) == NULL || |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4113 fd->type->ty != Tfunction) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4114 { |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4115 /* Not a template function, therefore type inference is not possible. |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4116 */ |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4117 //printf("false\n"); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4118 return FALSE; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4119 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4120 |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4121 /* Determine if the instance arguments, tiargs, are all that is necessary |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4122 * to instantiate the template. |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4123 */ |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4124 TemplateTupleParameter *tp = td->isVariadic(); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4125 //printf("tp = %p, td->parameters->dim = %d, tiargs->dim = %d\n", tp, td->parameters->dim, tiargs->dim); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4126 TypeFunction *fdtype = (TypeFunction *)fd->type; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4127 if (Parameter::dim(fdtype->parameters) && |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4128 (tp || tiargs->dim < td->parameters->dim)) |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4129 return TRUE; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4130 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4131 //printf("false\n"); |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4132 return FALSE; |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4133 } |
|
1d0220dd613a
Merge DMD r274: harmonization
Leandro Lucarella <llucax@gmail.com>
parents:
1607
diff
changeset
|
4134 |
| 336 | 4135 void TemplateInstance::semantic2(Scope *sc) |
| 4136 { int i; | |
| 4137 | |
| 1587 | 4138 if (semanticRun >= 2) |
| 336 | 4139 return; |
| 1587 | 4140 semanticRun = 2; |
| 336 | 4141 #if LOG |
| 4142 printf("+TemplateInstance::semantic2('%s')\n", toChars()); | |
| 4143 #endif | |
| 4144 if (!errors && members) | |
| 4145 { | |
| 4146 sc = tempdecl->scope; | |
| 4147 assert(sc); | |
| 4148 sc = sc->push(argsym); | |
| 4149 sc = sc->push(this); | |
|
561
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4150 sc->tinst = this; |
| 336 | 4151 for (i = 0; i < members->dim; i++) |
| 4152 { | |
| 4153 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4154 #if LOG | |
| 4155 printf("\tmember '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 4156 #endif | |
| 4157 s->semantic2(sc); | |
| 4158 } | |
| 4159 sc = sc->pop(); | |
| 4160 sc->pop(); | |
| 4161 } | |
| 4162 #if LOG | |
| 4163 printf("-TemplateInstance::semantic2('%s')\n", toChars()); | |
| 4164 #endif | |
| 4165 } | |
| 4166 | |
| 4167 void TemplateInstance::semantic3(Scope *sc) | |
| 4168 { | |
| 4169 #if LOG | |
| 1587 | 4170 printf("TemplateInstance::semantic3('%s'), semanticRun = %d\n", toChars(), semanticRun); |
| 336 | 4171 #endif |
| 4172 //if (toChars()[0] == 'D') *(char*)0=0; | |
| 1587 | 4173 if (semanticRun >= 3) |
| 336 | 4174 return; |
| 1587 | 4175 semanticRun = 3; |
| 336 | 4176 if (!errors && members) |
| 4177 { | |
| 4178 sc = tempdecl->scope; | |
| 4179 sc = sc->push(argsym); | |
| 4180 sc = sc->push(this); | |
|
561
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Introducing template instantiation traces for static asserts and errors within templates.
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diff
changeset
|
4181 sc->tinst = this; |
| 336 | 4182 for (int i = 0; i < members->dim; i++) |
| 4183 { | |
| 4184 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4185 s->semantic3(sc); | |
| 4186 } | |
| 4187 sc = sc->pop(); | |
| 4188 sc->pop(); | |
| 4189 } | |
| 4190 } | |
| 4191 | |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
4192 #if IN_DMD |
|
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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1146
diff
changeset
|
4193 |
|
1367
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|
4194 void TemplateInstance::printInstantiationTrace() |
|
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Merged DMD 1.045 !!!
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|
4195 { |
|
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|
4196 if (global.gag) |
|
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|
4197 return; |
|
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|
4198 } |
|
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|
4199 |
| 336 | 4200 void TemplateInstance::toObjFile(int multiobj) |
| 4201 { | |
| 4202 #if LOG | |
| 4203 printf("TemplateInstance::toObjFile('%s', this = %p)\n", toChars(), this); | |
| 4204 #endif | |
| 4205 if (!errors && members) | |
| 4206 { | |
| 4207 if (multiobj) | |
| 4208 // Append to list of object files to be written later | |
| 4209 //obj_append(this); | |
| 4210 assert(0 && "multiobj"); | |
| 4211 else | |
| 4212 { | |
| 4213 for (int i = 0; i < members->dim; i++) | |
| 4214 { | |
| 4215 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4216 s->toObjFile(multiobj); | |
| 4217 } | |
| 4218 } | |
| 4219 } | |
| 4220 } | |
| 4221 | |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
4222 #endif |
|
dbe4af57b240
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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1146
diff
changeset
|
4223 |
| 336 | 4224 void TemplateInstance::inlineScan() |
| 4225 { | |
| 4226 #if LOG | |
| 4227 printf("TemplateInstance::inlineScan('%s')\n", toChars()); | |
| 4228 #endif | |
| 4229 if (!errors && members) | |
| 4230 { | |
| 4231 for (int i = 0; i < members->dim; i++) | |
| 4232 { | |
| 4233 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4234 s->inlineScan(); | |
| 4235 } | |
| 4236 } | |
| 4237 } | |
| 4238 | |
| 4239 void TemplateInstance::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4240 { | |
| 4241 int i; | |
| 4242 | |
| 4243 Identifier *id = name; | |
| 4244 buf->writestring(id->toChars()); | |
| 4245 buf->writestring("!("); | |
| 4246 if (nest) | |
| 4247 buf->writestring("..."); | |
| 4248 else | |
| 4249 { | |
| 4250 nest++; | |
| 4251 Objects *args = tiargs; | |
| 4252 for (i = 0; i < args->dim; i++) | |
| 4253 { | |
| 4254 if (i) | |
| 4255 buf->writeByte(','); | |
| 4256 Object *oarg = (Object *)args->data[i]; | |
| 4257 ObjectToCBuffer(buf, hgs, oarg); | |
| 4258 } | |
| 4259 nest--; | |
| 4260 } | |
| 4261 buf->writeByte(')'); | |
| 4262 } | |
| 4263 | |
| 4264 | |
| 4265 Dsymbol *TemplateInstance::toAlias() | |
| 4266 { | |
| 4267 #if LOG | |
| 4268 printf("TemplateInstance::toAlias()\n"); | |
| 4269 #endif | |
| 4270 if (!inst) | |
| 4271 { error("cannot resolve forward reference"); | |
| 1587 | 4272 errors = 1; |
| 336 | 4273 return this; |
| 4274 } | |
| 4275 | |
| 4276 if (inst != this) | |
| 4277 return inst->toAlias(); | |
| 4278 | |
| 4279 if (aliasdecl) | |
| 4280 return aliasdecl->toAlias(); | |
| 4281 | |
| 4282 return inst; | |
| 4283 } | |
| 4284 | |
| 4285 AliasDeclaration *TemplateInstance::isAliasDeclaration() | |
| 4286 { | |
| 4287 return aliasdecl; | |
| 4288 } | |
| 4289 | |
| 4290 const char *TemplateInstance::kind() | |
| 4291 { | |
| 4292 return "template instance"; | |
| 4293 } | |
| 4294 | |
| 4295 int TemplateInstance::oneMember(Dsymbol **ps) | |
| 4296 { | |
| 4297 *ps = NULL; | |
| 4298 return TRUE; | |
| 4299 } | |
| 4300 | |
| 4301 char *TemplateInstance::toChars() | |
| 4302 { | |
| 4303 OutBuffer buf; | |
| 4304 HdrGenState hgs; | |
| 4305 char *s; | |
| 4306 | |
| 4307 toCBuffer(&buf, &hgs); | |
| 4308 s = buf.toChars(); | |
| 4309 buf.data = NULL; | |
| 4310 return s; | |
| 4311 } | |
| 4312 | |
|
1367
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|
4313 #if IN_LLVM |
|
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Merged DMD 1.045 !!!
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|
4314 |
|
561
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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527
diff
changeset
|
4315 void TemplateInstance::printInstantiationTrace() |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
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diff
changeset
|
4316 { |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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527
diff
changeset
|
4317 if(global.gag) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
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diff
changeset
|
4318 return; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4319 |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
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diff
changeset
|
4320 const int max_shown = 6; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4321 |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
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diff
changeset
|
4322 // determine instantiation depth |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
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diff
changeset
|
4323 int n_instantiations = 1; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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changeset
|
4324 TemplateInstance* cur = this; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
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parents:
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diff
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|
4325 while(cur = cur->tinst) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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diff
changeset
|
4326 ++n_instantiations; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4327 |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4328 // show full trace only if it's short or verbose is on |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4329 if(n_instantiations <= max_shown || global.params.verbose) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4330 { |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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527
diff
changeset
|
4331 cur = this; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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527
diff
changeset
|
4332 while(cur) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
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diff
changeset
|
4333 { |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4334 fprintf(stdmsg," instantiatied in %s: %s\n", cur->loc.toChars(), cur->toChars()); |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4335 cur = cur->tinst; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4336 } |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4337 } |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4338 else |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4339 { |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4340 cur = this; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4341 size_t i = 0; |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4342 for(; i < max_shown/2; ++i, cur = cur->tinst) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4343 fprintf(stdmsg," instantiatied in %s: %s\n", cur->loc.toChars(), cur->toChars()); |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4344 fprintf(stdmsg," ... (%d instantiations, -v to show) ...\n", n_instantiations - max_shown); |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4345 for(; i < n_instantiations - max_shown + max_shown/2; ++i, cur = cur->tinst) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4346 {} |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4347 for(; i < n_instantiations; ++i, cur = cur->tinst) |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4348 fprintf(stdmsg," instantiatied in %s: %s\n", cur->loc.toChars(), cur->toChars()); |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4349 } |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4350 } |
|
d4e95db0e62b
Introducing template instantiation traces for static asserts and errors within templates.
Christian Kamm <kamm incasoftware de>
parents:
527
diff
changeset
|
4351 |
|
1367
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Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
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|
4352 #endif |
|
8026319762be
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Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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diff
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|
4353 |
| 336 | 4354 /* ======================== TemplateMixin ================================ */ |
| 4355 | |
| 4356 TemplateMixin::TemplateMixin(Loc loc, Identifier *ident, Type *tqual, | |
| 4357 Array *idents, Objects *tiargs) | |
| 4358 : TemplateInstance(loc, (Identifier *)idents->data[idents->dim - 1]) | |
| 4359 { | |
| 4360 //printf("TemplateMixin(ident = '%s')\n", ident ? ident->toChars() : ""); | |
| 4361 this->ident = ident; | |
| 4362 this->tqual = tqual; | |
| 4363 this->idents = idents; | |
| 4364 this->tiargs = tiargs ? tiargs : new Objects(); | |
| 4365 } | |
| 4366 | |
| 4367 Dsymbol *TemplateMixin::syntaxCopy(Dsymbol *s) | |
| 4368 { TemplateMixin *tm; | |
| 4369 | |
| 4370 Array *ids = new Array(); | |
| 4371 ids->setDim(idents->dim); | |
| 4372 for (int i = 0; i < idents->dim; i++) | |
| 4373 { // Matches TypeQualified::syntaxCopyHelper() | |
| 4374 Identifier *id = (Identifier *)idents->data[i]; | |
| 4375 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 4376 { | |
| 4377 TemplateInstance *ti = (TemplateInstance *)id; | |
| 4378 | |
| 4379 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 4380 id = (Identifier *)ti; | |
| 4381 } | |
| 4382 ids->data[i] = id; | |
| 4383 } | |
| 4384 | |
| 4385 tm = new TemplateMixin(loc, ident, | |
| 4386 (Type *)(tqual ? tqual->syntaxCopy() : NULL), | |
| 4387 ids, tiargs); | |
| 4388 TemplateInstance::syntaxCopy(tm); | |
| 4389 return tm; | |
| 4390 } | |
| 4391 | |
| 4392 void TemplateMixin::semantic(Scope *sc) | |
| 4393 { | |
| 4394 #if LOG | |
| 4395 printf("+TemplateMixin::semantic('%s', this=%p)\n", toChars(), this); | |
| 4396 fflush(stdout); | |
| 4397 #endif | |
| 1587 | 4398 if (semanticRun) |
| 4399 { | |
| 336 | 4400 // This for when a class/struct contains mixin members, and |
| 4401 // is done over because of forward references | |
| 1587 | 4402 if (parent && toParent()->isAggregateDeclaration()) |
| 4403 semanticRun = 1; // do over | |
| 4404 else | |
| 4405 { | |
| 336 | 4406 #if LOG |
| 1587 | 4407 printf("\tsemantic done\n"); |
| 336 | 4408 #endif |
| 1587 | 4409 return; |
| 4410 } | |
| 336 | 4411 } |
| 1587 | 4412 if (!semanticRun) |
| 4413 semanticRun = 1; | |
| 336 | 4414 #if LOG |
| 4415 printf("\tdo semantic\n"); | |
| 4416 #endif | |
| 4417 | |
| 4418 #if !IN_LLVM | |
| 4419 // dont know what this is | |
| 4420 util_progress(); | |
| 4421 #endif | |
| 4422 | |
| 4423 Scope *scx = NULL; | |
| 4424 if (scope) | |
| 4425 { sc = scope; | |
| 4426 scx = scope; // save so we don't make redundant copies | |
| 4427 scope = NULL; | |
| 4428 } | |
| 4429 | |
| 4430 // Follow qualifications to find the TemplateDeclaration | |
| 4431 if (!tempdecl) | |
| 4432 { Dsymbol *s; | |
| 4433 int i; | |
| 4434 Identifier *id; | |
| 4435 | |
| 4436 if (tqual) | |
| 4437 { s = tqual->toDsymbol(sc); | |
| 4438 i = 0; | |
| 4439 } | |
| 4440 else | |
| 4441 { | |
| 4442 i = 1; | |
| 4443 id = (Identifier *)idents->data[0]; | |
| 4444 switch (id->dyncast()) | |
| 4445 { | |
| 4446 case DYNCAST_IDENTIFIER: | |
| 4447 s = sc->search(loc, id, NULL); | |
| 4448 break; | |
| 4449 | |
| 4450 case DYNCAST_DSYMBOL: | |
| 4451 { | |
| 4452 TemplateInstance *ti = (TemplateInstance *)id; | |
| 4453 ti->semantic(sc); | |
| 4454 s = ti; | |
| 4455 break; | |
| 4456 } | |
| 4457 default: | |
| 4458 assert(0); | |
| 4459 } | |
| 4460 } | |
| 4461 | |
| 4462 for (; i < idents->dim; i++) | |
| 4463 { | |
| 4464 if (!s) | |
| 4465 break; | |
| 4466 id = (Identifier *)idents->data[i]; | |
| 4467 s = s->searchX(loc, sc, id); | |
| 4468 } | |
| 4469 if (!s) | |
| 4470 { | |
| 4471 error("is not defined"); | |
| 4472 inst = this; | |
| 4473 return; | |
| 4474 } | |
| 4475 tempdecl = s->toAlias()->isTemplateDeclaration(); | |
| 4476 if (!tempdecl) | |
| 4477 { | |
| 4478 error("%s isn't a template", s->toChars()); | |
| 4479 inst = this; | |
| 4480 return; | |
| 4481 } | |
| 4482 } | |
| 4483 | |
| 4484 // Look for forward reference | |
| 4485 assert(tempdecl); | |
| 4486 for (TemplateDeclaration *td = tempdecl; td; td = td->overnext) | |
| 4487 { | |
| 1587 | 4488 if (!td->semanticRun) |
| 336 | 4489 { |
| 4490 /* Cannot handle forward references if mixin is a struct member, | |
| 4491 * because addField must happen during struct's semantic, not | |
| 4492 * during the mixin semantic. | |
| 4493 * runDeferred will re-run mixin's semantic outside of the struct's | |
| 4494 * semantic. | |
| 4495 */ | |
| 1587 | 4496 semanticRun = 0; |
| 336 | 4497 AggregateDeclaration *ad = toParent()->isAggregateDeclaration(); |
| 4498 if (ad) | |
| 4499 ad->sizeok = 2; | |
| 4500 else | |
| 4501 { | |
| 4502 // Forward reference | |
| 4503 //printf("forward reference - deferring\n"); | |
| 4504 scope = scx ? scx : new Scope(*sc); | |
| 4505 scope->setNoFree(); | |
| 4506 scope->module->addDeferredSemantic(this); | |
| 4507 } | |
| 4508 return; | |
| 4509 } | |
| 4510 } | |
| 4511 | |
| 4512 // Run semantic on each argument, place results in tiargs[] | |
| 4513 semanticTiargs(sc); | |
| 1587 | 4514 if (errors) |
| 4515 return; | |
| 336 | 4516 |
| 4517 tempdecl = findBestMatch(sc); | |
| 4518 if (!tempdecl) | |
| 4519 { inst = this; | |
| 4520 return; // error recovery | |
| 4521 } | |
| 4522 | |
| 4523 if (!ident) | |
| 4524 ident = genIdent(); | |
| 4525 | |
| 4526 inst = this; | |
| 4527 parent = sc->parent; | |
| 4528 | |
| 4529 /* Detect recursive mixin instantiations. | |
| 4530 */ | |
| 4531 for (Dsymbol *s = parent; s; s = s->parent) | |
| 4532 { | |
| 4533 //printf("\ts = '%s'\n", s->toChars()); | |
| 4534 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4535 if (!tm || tempdecl != tm->tempdecl) | |
| 4536 continue; | |
| 4537 | |
| 4538 /* Different argument list lengths happen with variadic args | |
| 4539 */ | |
| 4540 if (tiargs->dim != tm->tiargs->dim) | |
| 4541 continue; | |
| 4542 | |
| 4543 for (int i = 0; i < tiargs->dim; i++) | |
| 4544 { Object *o = (Object *)tiargs->data[i]; | |
| 4545 Type *ta = isType(o); | |
| 4546 Expression *ea = isExpression(o); | |
| 4547 Dsymbol *sa = isDsymbol(o); | |
| 4548 Object *tmo = (Object *)tm->tiargs->data[i]; | |
| 4549 if (ta) | |
| 4550 { | |
| 4551 Type *tmta = isType(tmo); | |
| 4552 if (!tmta) | |
| 4553 goto Lcontinue; | |
| 4554 if (!ta->equals(tmta)) | |
| 4555 goto Lcontinue; | |
| 4556 } | |
| 4557 else if (ea) | |
| 4558 { Expression *tme = isExpression(tmo); | |
| 4559 if (!tme || !ea->equals(tme)) | |
| 4560 goto Lcontinue; | |
| 4561 } | |
| 4562 else if (sa) | |
| 4563 { | |
| 4564 Dsymbol *tmsa = isDsymbol(tmo); | |
| 4565 if (sa != tmsa) | |
| 4566 goto Lcontinue; | |
| 4567 } | |
| 4568 else | |
| 4569 assert(0); | |
| 4570 } | |
| 4571 error("recursive mixin instantiation"); | |
| 4572 return; | |
| 4573 | |
| 4574 Lcontinue: | |
| 4575 continue; | |
| 4576 } | |
| 4577 | |
| 4578 // Copy the syntax trees from the TemplateDeclaration | |
| 4579 members = Dsymbol::arraySyntaxCopy(tempdecl->members); | |
| 4580 if (!members) | |
| 4581 return; | |
| 4582 | |
| 4583 symtab = new DsymbolTable(); | |
| 4584 | |
| 4585 for (Scope *sce = sc; 1; sce = sce->enclosing) | |
| 4586 { | |
| 4587 ScopeDsymbol *sds = (ScopeDsymbol *)sce->scopesym; | |
| 4588 if (sds) | |
| 4589 { | |
| 4590 sds->importScope(this, PROTpublic); | |
| 4591 break; | |
| 4592 } | |
| 4593 } | |
| 4594 | |
| 4595 #if LOG | |
| 4596 printf("\tcreate scope for template parameters '%s'\n", toChars()); | |
| 4597 #endif | |
| 4598 Scope *scy = sc; | |
| 4599 scy = sc->push(this); | |
| 4600 scy->parent = this; | |
| 4601 | |
| 4602 argsym = new ScopeDsymbol(); | |
| 4603 argsym->parent = scy->parent; | |
| 1587 | 4604 Scope *argscope = scy->push(argsym); |
| 336 | 4605 |
| 4606 unsigned errorsave = global.errors; | |
| 4607 | |
| 4608 // Declare each template parameter as an alias for the argument type | |
| 1587 | 4609 declareParameters(argscope); |
| 336 | 4610 |
| 4611 // Add members to enclosing scope, as well as this scope | |
| 4612 for (unsigned i = 0; i < members->dim; i++) | |
| 4613 { Dsymbol *s; | |
| 4614 | |
| 4615 s = (Dsymbol *)members->data[i]; | |
| 1587 | 4616 s->addMember(argscope, this, i); |
| 336 | 4617 //sc->insert(s); |
| 4618 //printf("sc->parent = %p, sc->scopesym = %p\n", sc->parent, sc->scopesym); | |
| 4619 //printf("s->parent = %s\n", s->parent->toChars()); | |
| 4620 } | |
| 4621 | |
| 4622 // Do semantic() analysis on template instance members | |
| 4623 #if LOG | |
| 4624 printf("\tdo semantic() on template instance members '%s'\n", toChars()); | |
| 4625 #endif | |
| 4626 Scope *sc2; | |
| 1587 | 4627 sc2 = argscope->push(this); |
| 336 | 4628 sc2->offset = sc->offset; |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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diff
changeset
|
4629 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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diff
changeset
|
4630 static int nest; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4631 //printf("%d\n", nest); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4632 if (++nest > 500) |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4633 { |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4634 global.gag = 0; // ensure error message gets printed |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4635 error("recursive expansion"); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4636 fatal(); |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4637 } |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4638 |
| 336 | 4639 for (int i = 0; i < members->dim; i++) |
| 4640 { | |
| 4641 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4642 s->semantic(sc2); | |
| 4643 } | |
|
1367
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4644 |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4645 nest--; |
|
8026319762be
Merged DMD 1.045 !!!
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1195
diff
changeset
|
4646 |
| 336 | 4647 sc->offset = sc2->offset; |
| 4648 | |
| 4649 /* The problem is when to parse the initializer for a variable. | |
| 4650 * Perhaps VarDeclaration::semantic() should do it like it does | |
| 4651 * for initializers inside a function. | |
| 4652 */ | |
| 4653 // if (sc->parent->isFuncDeclaration()) | |
| 4654 | |
| 4655 semantic2(sc2); | |
| 4656 | |
| 4657 if (sc->func) | |
| 4658 { | |
| 4659 semantic3(sc2); | |
| 4660 } | |
| 4661 | |
| 4662 // Give additional context info if error occurred during instantiation | |
| 4663 if (global.errors != errorsave) | |
| 4664 { | |
| 4665 error("error instantiating"); | |
| 4666 } | |
| 4667 | |
| 4668 sc2->pop(); | |
| 4669 | |
| 1587 | 4670 argscope->pop(); |
| 336 | 4671 |
| 4672 // if (!isAnonymous()) | |
| 4673 { | |
| 4674 scy->pop(); | |
| 4675 } | |
| 4676 #if LOG | |
| 4677 printf("-TemplateMixin::semantic('%s', this=%p)\n", toChars(), this); | |
| 4678 #endif | |
| 4679 } | |
| 4680 | |
| 4681 void TemplateMixin::semantic2(Scope *sc) | |
| 4682 { int i; | |
| 4683 | |
| 1587 | 4684 if (semanticRun >= 2) |
| 336 | 4685 return; |
| 1587 | 4686 semanticRun = 2; |
| 336 | 4687 #if LOG |
| 4688 printf("+TemplateMixin::semantic2('%s')\n", toChars()); | |
| 4689 #endif | |
| 4690 if (members) | |
| 4691 { | |
| 4692 assert(sc); | |
| 4693 sc = sc->push(argsym); | |
| 4694 sc = sc->push(this); | |
| 4695 for (i = 0; i < members->dim; i++) | |
| 4696 { | |
| 4697 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4698 #if LOG | |
| 4699 printf("\tmember '%s', kind = '%s'\n", s->toChars(), s->kind()); | |
| 4700 #endif | |
| 4701 s->semantic2(sc); | |
| 4702 } | |
| 4703 sc = sc->pop(); | |
| 4704 sc->pop(); | |
| 4705 } | |
| 4706 #if LOG | |
| 4707 printf("-TemplateMixin::semantic2('%s')\n", toChars()); | |
| 4708 #endif | |
| 4709 } | |
| 4710 | |
| 4711 void TemplateMixin::semantic3(Scope *sc) | |
| 4712 { int i; | |
| 4713 | |
| 1587 | 4714 if (semanticRun >= 3) |
| 336 | 4715 return; |
| 1587 | 4716 semanticRun = 3; |
| 336 | 4717 #if LOG |
| 4718 printf("TemplateMixin::semantic3('%s')\n", toChars()); | |
| 4719 #endif | |
| 4720 if (members) | |
| 4721 { | |
| 4722 sc = sc->push(argsym); | |
| 4723 sc = sc->push(this); | |
| 4724 for (i = 0; i < members->dim; i++) | |
| 4725 { | |
| 4726 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4727 s->semantic3(sc); | |
| 4728 } | |
| 4729 sc = sc->pop(); | |
| 4730 sc->pop(); | |
| 4731 } | |
| 4732 } | |
| 4733 | |
| 4734 void TemplateMixin::inlineScan() | |
| 4735 { | |
| 4736 TemplateInstance::inlineScan(); | |
| 4737 } | |
| 4738 | |
| 4739 const char *TemplateMixin::kind() | |
| 4740 { | |
| 4741 return "mixin"; | |
| 4742 } | |
| 4743 | |
| 4744 int TemplateMixin::oneMember(Dsymbol **ps) | |
| 4745 { | |
| 4746 return Dsymbol::oneMember(ps); | |
| 4747 } | |
| 4748 | |
| 4749 int TemplateMixin::hasPointers() | |
| 4750 { | |
| 4751 //printf("TemplateMixin::hasPointers() %s\n", toChars()); | |
| 4752 for (size_t i = 0; i < members->dim; i++) | |
| 4753 { | |
| 4754 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 4755 //printf(" s = %s %s\n", s->kind(), s->toChars()); | |
| 4756 if (s->hasPointers()) | |
| 4757 { | |
| 4758 return 1; | |
| 4759 } | |
| 4760 } | |
| 4761 return 0; | |
| 4762 } | |
| 4763 | |
| 4764 char *TemplateMixin::toChars() | |
| 4765 { | |
| 4766 OutBuffer buf; | |
| 4767 HdrGenState hgs; | |
| 4768 char *s; | |
| 4769 | |
| 4770 TemplateInstance::toCBuffer(&buf, &hgs); | |
| 4771 s = buf.toChars(); | |
| 4772 buf.data = NULL; | |
| 4773 return s; | |
| 4774 } | |
| 4775 | |
| 4776 void TemplateMixin::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 4777 { | |
| 4778 buf->writestring("mixin "); | |
| 4779 | |
| 4780 for (int i = 0; i < idents->dim; i++) | |
| 4781 { Identifier *id = (Identifier *)idents->data[i]; | |
| 4782 | |
| 4783 if (i) | |
| 4784 buf->writeByte('.'); | |
| 4785 buf->writestring(id->toChars()); | |
| 4786 } | |
| 4787 buf->writestring("!("); | |
| 4788 if (tiargs) | |
| 4789 { | |
| 4790 for (int i = 0; i < tiargs->dim; i++) | |
| 4791 { if (i) | |
| 4792 buf->writebyte(','); | |
| 4793 Object *oarg = (Object *)tiargs->data[i]; | |
| 4794 Type *t = isType(oarg); | |
| 4795 Expression *e = isExpression(oarg); | |
| 4796 Dsymbol *s = isDsymbol(oarg); | |
| 4797 if (t) | |
| 4798 t->toCBuffer(buf, NULL, hgs); | |
| 4799 else if (e) | |
| 4800 e->toCBuffer(buf, hgs); | |
| 4801 else if (s) | |
| 4802 { | |
| 4803 char *p = s->ident ? s->ident->toChars() : s->toChars(); | |
| 4804 buf->writestring(p); | |
| 4805 } | |
| 4806 else if (!oarg) | |
| 4807 { | |
| 4808 buf->writestring("NULL"); | |
| 4809 } | |
| 4810 else | |
| 4811 { | |
| 4812 assert(0); | |
| 4813 } | |
| 4814 } | |
| 4815 } | |
| 4816 buf->writebyte(')'); | |
| 4817 if (ident) | |
| 4818 { | |
| 4819 buf->writebyte(' '); | |
| 4820 buf->writestring(ident->toChars()); | |
| 4821 } | |
| 4822 buf->writebyte(';'); | |
| 4823 buf->writenl(); | |
| 4824 } | |
| 4825 | |
| 4826 | |
|
1147
dbe4af57b240
Changed use of toObjFile to a new codegen method.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1146
diff
changeset
|
4827 #if IN_DMD |
| 336 | 4828 void TemplateMixin::toObjFile(int multiobj) |
| 4829 { | |
| 4830 //printf("TemplateMixin::toObjFile('%s')\n", toChars()); | |
| 4831 TemplateInstance::toObjFile(multiobj); | |
| 4832 } | |
|
1174
0b26cfb2d445
Add newlines to end of file.
Christian Kamm <kamm incasoftware de>
parents:
1147
diff
changeset
|
4833 #endif |
|
0b26cfb2d445
Add newlines to end of file.
Christian Kamm <kamm incasoftware de>
parents:
1147
diff
changeset
|
4834 |