Mercurial > projects > ldc
annotate gen/typinf.cpp @ 100:5071469303d4 trunk
[svn r104] TONS OF FIXES.
Split up declaration, constant initializer gen and definition for globals, structs, classes and functions.
Improved ClassInfo support (not complete), not in vtable yet.
Fixed a bunch of forward reference problems.
Much more. Major commit! :)
author | lindquist |
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date | Fri, 16 Nov 2007 08:21:47 +0100 |
parents | 6789050b5ad1 |
children | 027b8d8b71ec |
rev | line source |
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1 | 1 |
2 | |
3 // Copyright (c) 1999-2004 by Digital Mars | |
4 // All Rights Reserved | |
5 // written by Walter Bright | |
6 // www.digitalmars.com | |
7 // License for redistribution is by either the Artistic License | |
8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
9 // See the included readme.txt for details. | |
10 | |
11 #include <cstdio> | |
12 #include <cassert> | |
13 | |
52 | 14 #include "gen/llvm.h" |
15 | |
1 | 16 #include "mars.h" |
17 #include "module.h" | |
18 #include "mtype.h" | |
19 #include "scope.h" | |
20 #include "init.h" | |
21 #include "expression.h" | |
22 #include "attrib.h" | |
23 #include "declaration.h" | |
24 #include "template.h" | |
25 #include "id.h" | |
26 #include "enum.h" | |
27 #include "import.h" | |
28 #include "aggregate.h" | |
29 | |
52 | 30 #include "gen/irstate.h" |
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31 #include "gen/logger.h" |
52 | 32 #include "gen/runtime.h" |
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33 #include "gen/tollvm.h" |
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34 #include "gen/arrays.h" |
100 | 35 #include "gen/structs.h" |
1 | 36 |
37 /******************************************* | |
38 * Get a canonicalized form of the TypeInfo for use with the internal | |
39 * runtime library routines. Canonicalized in that static arrays are | |
40 * represented as dynamic arrays, enums are represented by their | |
41 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
42 * so we can use the custom internal ones more. | |
43 */ | |
44 | |
45 Expression *Type::getInternalTypeInfo(Scope *sc) | |
46 { TypeInfoDeclaration *tid; | |
47 Expression *e; | |
48 Type *t; | |
49 static TypeInfoDeclaration *internalTI[TMAX]; | |
50 | |
51 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
52 t = toBasetype(); | |
53 switch (t->ty) | |
54 { | |
55 case Tsarray: | |
56 t = t->next->arrayOf(); // convert to corresponding dynamic array type | |
57 break; | |
58 | |
59 case Tclass: | |
60 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
61 break; | |
62 goto Linternal; | |
63 | |
64 case Tarray: | |
65 if (t->next->ty != Tclass) | |
66 break; | |
67 goto Linternal; | |
68 | |
69 case Tfunction: | |
70 case Tdelegate: | |
71 case Tpointer: | |
72 Linternal: | |
73 tid = internalTI[t->ty]; | |
74 if (!tid) | |
75 { tid = new TypeInfoDeclaration(t, 1); | |
76 internalTI[t->ty] = tid; | |
77 } | |
78 e = new VarExp(0, tid); | |
52 | 79 //e = e->addressOf(sc); |
1 | 80 e->type = tid->type; // do this so we don't get redundant dereference |
81 return e; | |
82 | |
83 default: | |
84 break; | |
85 } | |
86 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
87 return t->getTypeInfo(sc); | |
88 } | |
89 | |
90 | |
91 /**************************************************** | |
92 * Get the exact TypeInfo. | |
93 */ | |
94 | |
95 Expression *Type::getTypeInfo(Scope *sc) | |
96 { | |
97 Expression *e; | |
98 Type *t; | |
99 | |
100 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
101 t = merge(); // do this since not all Type's are merge'd | |
102 if (!t->vtinfo) | |
103 { t->vtinfo = t->getTypeInfoDeclaration(); | |
104 assert(t->vtinfo); | |
105 | |
106 /* If this has a custom implementation in std/typeinfo, then | |
107 * do not generate a COMDAT for it. | |
108 */ | |
109 if (!t->builtinTypeInfo()) | |
110 { // Generate COMDAT | |
111 if (sc) // if in semantic() pass | |
112 { // Find module that will go all the way to an object file | |
113 Module *m = sc->module->importedFrom; | |
114 m->members->push(t->vtinfo); | |
115 } | |
116 else // if in obj generation pass | |
117 { | |
118 t->vtinfo->toObjFile(); | |
119 } | |
120 } | |
121 } | |
122 e = new VarExp(0, t->vtinfo); | |
123 //e = e->addressOf(sc); | |
124 e->type = t->vtinfo->type; // do this so we don't get redundant dereference | |
125 return e; | |
126 } | |
127 | |
52 | 128 enum RET TypeFunction::retStyle() |
129 { | |
130 return RETstack; | |
131 } | |
1 | 132 |
133 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
134 { | |
135 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
136 return new TypeInfoDeclaration(this, 0); | |
137 } | |
138 | |
52 | 139 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
1 | 140 { |
52 | 141 return new TypeInfoTypedefDeclaration(this); |
1 | 142 } |
143 | |
52 | 144 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
145 { | |
146 return new TypeInfoPointerDeclaration(this); | |
147 } | |
1 | 148 |
149 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
150 { | |
151 return new TypeInfoArrayDeclaration(this); | |
152 } | |
153 | |
154 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
155 { | |
156 return new TypeInfoStaticArrayDeclaration(this); | |
157 } | |
158 | |
159 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
160 { | |
161 return new TypeInfoAssociativeArrayDeclaration(this); | |
162 } | |
163 | |
52 | 164 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
165 { | |
166 return new TypeInfoStructDeclaration(this); | |
167 } | |
1 | 168 |
169 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
170 { | |
171 if (sym->isInterfaceDeclaration()) | |
172 return new TypeInfoInterfaceDeclaration(this); | |
173 else | |
174 return new TypeInfoClassDeclaration(this); | |
175 } | |
176 | |
177 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
178 { | |
179 return new TypeInfoEnumDeclaration(this); | |
180 } | |
181 | |
182 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
183 { | |
184 return new TypeInfoFunctionDeclaration(this); | |
185 } | |
186 | |
187 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
188 { | |
189 return new TypeInfoDelegateDeclaration(this); | |
190 } | |
191 | |
192 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
193 { | |
194 return new TypeInfoTupleDeclaration(this); | |
195 } | |
196 | |
197 | |
198 /* ========================================================================= */ | |
199 | |
200 /* These decide if there's an instance for them already in std.typeinfo, | |
201 * because then the compiler doesn't need to build one. | |
202 */ | |
203 | |
204 int Type::builtinTypeInfo() | |
205 { | |
206 return 0; | |
207 } | |
208 | |
209 int TypeBasic::builtinTypeInfo() | |
210 { | |
211 return 1; | |
212 } | |
213 | |
214 int TypeDArray::builtinTypeInfo() | |
215 { | |
52 | 216 return next->isTypeBasic() != NULL; |
1 | 217 } |
218 | |
219 /* ========================================================================= */ | |
220 | |
221 /*************************************** | |
222 * Create a static array of TypeInfo references | |
223 * corresponding to an array of Expression's. | |
224 * Used to supply hidden _arguments[] value for variadic D functions. | |
225 */ | |
226 | |
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227 Expression *createTypeInfoArray(Scope *sc, Expression *exps[], int dim) |
1 | 228 { |
229 assert(0); | |
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230 return NULL; |
1 | 231 } |
232 | |
52 | 233 /* ========================================================================= */ |
234 | |
235 ////////////////////////////////////////////////////////////////////////////// | |
236 // MAGIC PLACE | |
237 ////////////////////////////////////////////////////////////////////////////// | |
238 | |
239 void TypeInfoDeclaration::toObjFile() | |
240 { | |
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241 if (llvmTouched) return; |
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242 else llvmTouched = true; |
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243 |
52 | 244 Logger::println("TypeInfoDeclaration::toObjFile()"); |
245 LOG_SCOPE; | |
65 | 246 |
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247 std::string mangled(mangle()); |
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248 |
52 | 249 Logger::println("type = '%s'", tinfo->toChars()); |
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250 Logger::println("typeinfo mangle: %s", mangled.c_str()); |
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251 |
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252 // this is a declaration of a builtin __initZ var |
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253 if (tinfo->builtinTypeInfo()) { |
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254 llvmValue = LLVM_D_GetRuntimeGlobal(gIR->module, mangled.c_str()); |
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255 assert(llvmValue); |
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256 mangled.append("__TYPE"); |
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257 gIR->module->addTypeName(mangled, llvmValue->getType()->getContainedType(0)); |
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258 Logger::println("Got typeinfo var: %s", llvmValue->getName().c_str()); |
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259 } |
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260 // custom typedef |
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261 else { |
100 | 262 // emit globals |
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263 toDt(NULL); |
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264 } |
52 | 265 } |
266 | |
267 /* ========================================================================= */ | |
268 | |
269 void TypeInfoDeclaration::toDt(dt_t **pdt) | |
270 { | |
271 assert(0 && "TypeInfoDeclaration"); | |
272 } | |
273 | |
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274 /* ========================================================================= */ |
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275 |
52 | 276 void TypeInfoTypedefDeclaration::toDt(dt_t **pdt) |
277 { | |
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278 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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279 LOG_SCOPE; |
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280 |
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281 ClassDeclaration* base = Type::typeinfotypedef; |
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282 base->toObjFile(); |
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283 |
100 | 284 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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285 |
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286 std::vector<llvm::Constant*> sinits; |
100 | 287 sinits.push_back(base->llvmVtbl); |
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288 |
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289 assert(tinfo->ty == Ttypedef); |
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290 TypeTypedef *tc = (TypeTypedef *)tinfo; |
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291 TypedefDeclaration *sd = tc->sym; |
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292 |
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293 // TypeInfo base |
96 | 294 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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295 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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296 Logger::println("generating base typeinfo"); |
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297 //sd->basetype = sd->basetype->merge(); |
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298 sd->basetype->getTypeInfo(NULL); // generate vtinfo |
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299 assert(sd->basetype->vtinfo); |
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300 if (!sd->basetype->vtinfo->llvmValue) |
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301 sd->basetype->vtinfo->toObjFile(); |
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302 assert(llvm::isa<llvm::Constant>(sd->basetype->vtinfo->llvmValue)); |
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303 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->basetype->vtinfo->llvmValue); |
100 | 304 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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305 sinits.push_back(castbase); |
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306 |
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307 // char[] name |
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308 char *name = sd->toPrettyChars(); |
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309 sinits.push_back(DtoConstString(name)); |
100 | 310 assert(sinits.back()->getType() == stype->getElementType(2)); |
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311 |
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312 // void[] init |
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313 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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314 if (tinfo->isZeroInit() || !sd->init) // 0 initializer, or the same as the base type |
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315 { |
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316 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
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317 } |
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318 else |
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319 { |
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320 llvm::Constant* ci = DtoConstInitializer(sd->basetype, sd->init); |
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321 std::string ciname(sd->mangle()); |
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322 ciname.append("__init"); |
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323 llvm::GlobalVariable* civar = new llvm::GlobalVariable(DtoType(sd->basetype),true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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324 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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325 size_t cisize = gTargetData->getTypeSize(DtoType(sd->basetype)); |
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326 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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327 } |
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328 |
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329 // create the symbol |
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330 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
73 | 331 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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332 |
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333 llvmValue = gvar; |
52 | 334 } |
335 | |
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336 /* ========================================================================= */ |
52 | 337 |
338 void TypeInfoEnumDeclaration::toDt(dt_t **pdt) | |
339 { | |
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340 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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341 LOG_SCOPE; |
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342 |
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343 ClassDeclaration* base = Type::typeinfoenum; |
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344 base->toObjFile(); |
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345 |
100 | 346 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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347 |
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348 std::vector<llvm::Constant*> sinits; |
100 | 349 sinits.push_back(base->llvmVtbl); |
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350 |
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351 assert(tinfo->ty == Tenum); |
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352 TypeEnum *tc = (TypeEnum *)tinfo; |
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353 EnumDeclaration *sd = tc->sym; |
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354 |
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355 // TypeInfo base |
96 | 356 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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357 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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358 Logger::println("generating base typeinfo"); |
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359 //sd->basetype = sd->basetype->merge(); |
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360 sd->memtype->getTypeInfo(NULL); // generate vtinfo |
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361 assert(sd->memtype->vtinfo); |
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362 if (!sd->memtype->vtinfo->llvmValue) |
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363 sd->memtype->vtinfo->toObjFile(); |
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364 assert(llvm::isa<llvm::Constant>(sd->memtype->vtinfo->llvmValue)); |
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365 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->memtype->vtinfo->llvmValue); |
100 | 366 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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367 sinits.push_back(castbase); |
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368 |
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369 // char[] name |
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370 char *name = sd->toPrettyChars(); |
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371 sinits.push_back(DtoConstString(name)); |
100 | 372 assert(sinits.back()->getType() == stype->getElementType(2)); |
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373 |
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374 // void[] init |
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375 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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376 if (tinfo->isZeroInit() || !sd->defaultval) // 0 initializer, or the same as the base type |
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377 { |
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378 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
71
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379 } |
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380 else |
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381 { |
81
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382 const llvm::Type* memty = DtoType(sd->memtype); |
71
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383 llvm::Constant* ci = llvm::ConstantInt::get(memty, sd->defaultval, !sd->memtype->isunsigned()); |
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384 std::string ciname(sd->mangle()); |
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385 ciname.append("__init"); |
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386 llvm::GlobalVariable* civar = new llvm::GlobalVariable(memty,true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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387 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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388 size_t cisize = gTargetData->getTypeSize(memty); |
81
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389 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
71
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390 } |
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391 |
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392 // create the symbol |
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393 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
73 | 394 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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395 |
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396 llvmValue = gvar; |
52 | 397 } |
398 | |
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399 /* ========================================================================= */ |
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400 |
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401 static llvm::Constant* LLVM_D_Create_TypeInfoBase(Type* basetype, TypeInfoDeclaration* tid, ClassDeclaration* cd) |
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402 { |
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403 ClassDeclaration* base = cd; |
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404 base->toObjFile(); |
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405 |
100 | 406 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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407 |
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408 std::vector<llvm::Constant*> sinits; |
100 | 409 sinits.push_back(base->llvmVtbl); |
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410 |
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411 // TypeInfo base |
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412 Logger::println("generating base typeinfo"); |
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413 basetype->getTypeInfo(NULL); |
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414 assert(basetype->vtinfo); |
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415 if (!basetype->vtinfo->llvmValue) |
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416 basetype->vtinfo->toObjFile(); |
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417 assert(llvm::isa<llvm::Constant>(basetype->vtinfo->llvmValue)); |
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418 llvm::Constant* castbase = llvm::cast<llvm::Constant>(basetype->vtinfo->llvmValue); |
100 | 419 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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420 sinits.push_back(castbase); |
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421 |
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422 // create the symbol |
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423 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
73 | 424 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,tid->toChars(),gIR->module); |
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425 |
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426 tid->llvmValue = gvar; |
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427 } |
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428 |
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429 /* ========================================================================= */ |
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430 |
52 | 431 void TypeInfoPointerDeclaration::toDt(dt_t **pdt) |
432 { | |
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433 Logger::println("TypeInfoPointerDeclaration::toDt() %s", toChars()); |
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434 LOG_SCOPE; |
52 | 435 |
436 assert(tinfo->ty == Tpointer); | |
437 TypePointer *tc = (TypePointer *)tinfo; | |
438 | |
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439 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfopointer); |
52 | 440 } |
441 | |
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442 /* ========================================================================= */ |
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443 |
52 | 444 void TypeInfoArrayDeclaration::toDt(dt_t **pdt) |
445 { | |
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446 Logger::println("TypeInfoArrayDeclaration::toDt() %s", toChars()); |
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447 LOG_SCOPE; |
52 | 448 |
449 assert(tinfo->ty == Tarray); | |
450 TypeDArray *tc = (TypeDArray *)tinfo; | |
451 | |
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452 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfoarray); |
52 | 453 } |
454 | |
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455 /* ========================================================================= */ |
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456 |
52 | 457 void TypeInfoStaticArrayDeclaration::toDt(dt_t **pdt) |
458 { | |
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459 assert(0 && "TypeInfoStaticArrayDeclaration"); |
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460 |
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461 /* |
52 | 462 //printf("TypeInfoStaticArrayDeclaration::toDt()\n"); |
463 dtxoff(pdt, Type::typeinfostaticarray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_StaticArray | |
464 dtdword(pdt, 0); // monitor | |
465 | |
466 assert(tinfo->ty == Tsarray); | |
467 | |
468 TypeSArray *tc = (TypeSArray *)tinfo; | |
469 | |
470 tc->next->getTypeInfo(NULL); | |
471 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
472 | |
473 dtdword(pdt, tc->dim->toInteger()); // length | |
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474 */ |
52 | 475 } |
476 | |
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477 /* ========================================================================= */ |
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478 |
52 | 479 void TypeInfoAssociativeArrayDeclaration::toDt(dt_t **pdt) |
480 { | |
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481 assert(0 && "TypeInfoAssociativeArrayDeclaration"); |
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482 |
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483 /* |
52 | 484 //printf("TypeInfoAssociativeArrayDeclaration::toDt()\n"); |
485 dtxoff(pdt, Type::typeinfoassociativearray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_AssociativeArray | |
486 dtdword(pdt, 0); // monitor | |
487 | |
488 assert(tinfo->ty == Taarray); | |
489 | |
490 TypeAArray *tc = (TypeAArray *)tinfo; | |
491 | |
492 tc->next->getTypeInfo(NULL); | |
493 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
494 | |
495 tc->index->getTypeInfo(NULL); | |
496 dtxoff(pdt, tc->index->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
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497 */ |
52 | 498 } |
499 | |
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500 /* ========================================================================= */ |
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501 |
52 | 502 void TypeInfoFunctionDeclaration::toDt(dt_t **pdt) |
503 { | |
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504 Logger::println("TypeInfoFunctionDeclaration::toDt() %s", toChars()); |
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505 LOG_SCOPE; |
52 | 506 |
507 assert(tinfo->ty == Tfunction); | |
508 TypeFunction *tc = (TypeFunction *)tinfo; | |
509 | |
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510 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfofunction); |
52 | 511 } |
512 | |
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513 /* ========================================================================= */ |
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514 |
52 | 515 void TypeInfoDelegateDeclaration::toDt(dt_t **pdt) |
516 { | |
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517 Logger::println("TypeInfoDelegateDeclaration::toDt() %s", toChars()); |
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518 LOG_SCOPE; |
52 | 519 |
520 assert(tinfo->ty == Tdelegate); | |
521 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
522 | |
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523 LLVM_D_Create_TypeInfoBase(tc->next->next, this, Type::typeinfodelegate); |
52 | 524 } |
525 | |
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526 /* ========================================================================= */ |
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527 |
52 | 528 void TypeInfoStructDeclaration::toDt(dt_t **pdt) |
529 { | |
72 | 530 Logger::println("TypeInfoStructDeclaration::toDt() %s", toChars()); |
531 LOG_SCOPE; | |
532 | |
533 assert(tinfo->ty == Tstruct); | |
534 TypeStruct *tc = (TypeStruct *)tinfo; | |
535 StructDeclaration *sd = tc->sym; | |
89 | 536 sd->toObjFile(); |
100 | 537 DtoConstInitStruct(sd); |
72 | 538 |
539 ClassDeclaration* base = Type::typeinfostruct; | |
540 base->toObjFile(); | |
541 | |
100 | 542 const llvm::StructType* stype = isaStruct(((TypeClass*)base->type)->llvmType->get()); |
72 | 543 |
544 std::vector<llvm::Constant*> sinits; | |
545 sinits.push_back(base->llvmVtbl); | |
546 | |
547 // char[] name | |
548 char *name = sd->toPrettyChars(); | |
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549 sinits.push_back(DtoConstString(name)); |
73 | 550 Logger::println("************** A"); |
72 | 551 assert(sinits.back()->getType() == stype->getElementType(1)); |
552 | |
553 // void[] init | |
554 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); | |
555 if (sd->zeroInit) // 0 initializer, or the same as the base type | |
556 { | |
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557 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
72 | 558 } |
559 else | |
560 { | |
561 assert(sd->llvmInitZ); | |
100 | 562 size_t cisize = gTargetData->getTypeSize(tc->llvmType->get()); |
72 | 563 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(tc->llvmInit, initpt); |
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564 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
72 | 565 } |
566 | |
567 // toX functions ground work | |
568 FuncDeclaration *fd; | |
569 FuncDeclaration *fdx; | |
570 TypeFunction *tf; | |
571 Type *ta; | |
572 Dsymbol *s; | |
573 | |
574 static TypeFunction *tftohash; | |
575 static TypeFunction *tftostring; | |
576 | |
577 if (!tftohash) | |
578 { | |
579 Scope sc; | |
580 | |
581 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
582 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
583 | |
584 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
585 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
586 } | |
587 | |
588 TypeFunction *tfeqptr; | |
589 { | |
590 Scope sc; | |
591 Arguments *arguments = new Arguments; | |
592 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
593 | |
594 arguments->push(arg); | |
595 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
596 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
597 } | |
598 | |
599 #if 0 | |
600 TypeFunction *tfeq; | |
601 { | |
602 Scope sc; | |
603 Array *arguments = new Array; | |
604 Argument *arg = new Argument(In, tc, NULL, NULL); | |
605 | |
606 arguments->push(arg); | |
607 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
608 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
609 } | |
610 #endif | |
611 | |
73 | 612 Logger::println("************** B"); |
96 | 613 const llvm::PointerType* ptty = isaPointer(stype->getElementType(3)); |
72 | 614 |
615 s = search_function(sd, Id::tohash); | |
616 fdx = s ? s->isFuncDeclaration() : NULL; | |
617 if (fdx) | |
618 { | |
619 fd = fdx->overloadExactMatch(tftohash); | |
620 if (fd) { | |
621 assert(fd->llvmValue != 0); | |
622 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
623 assert(c); | |
624 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
625 sinits.push_back(c); | |
626 } | |
627 else { | |
628 //fdx->error("must be declared as extern (D) uint toHash()"); | |
629 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
630 } | |
631 } | |
632 else { | |
633 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
634 } | |
635 | |
636 s = search_function(sd, Id::eq); | |
637 fdx = s ? s->isFuncDeclaration() : NULL; | |
638 for (int i = 0; i < 2; i++) | |
639 { | |
73 | 640 Logger::println("************** C %d", i); |
96 | 641 ptty = isaPointer(stype->getElementType(4+i)); |
72 | 642 if (fdx) |
643 { | |
644 fd = fdx->overloadExactMatch(tfeqptr); | |
645 if (fd) { | |
646 assert(fd->llvmValue != 0); | |
647 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
648 assert(c); | |
649 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
650 sinits.push_back(c); | |
651 } | |
652 else { | |
653 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
654 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
655 } | |
656 } | |
657 else { | |
658 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
659 } | |
660 | |
661 s = search_function(sd, Id::cmp); | |
662 fdx = s ? s->isFuncDeclaration() : NULL; | |
663 } | |
664 | |
73 | 665 Logger::println("************** D"); |
96 | 666 ptty = isaPointer(stype->getElementType(6)); |
72 | 667 s = search_function(sd, Id::tostring); |
668 fdx = s ? s->isFuncDeclaration() : NULL; | |
669 if (fdx) | |
670 { | |
671 fd = fdx->overloadExactMatch(tftostring); | |
672 if (fd) { | |
673 assert(fd->llvmValue != 0); | |
674 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
675 assert(c); | |
676 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
677 sinits.push_back(c); | |
678 } | |
679 else { | |
680 //fdx->error("must be declared as extern (D) char[] toString()"); | |
681 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
682 } | |
683 } | |
684 else { | |
685 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
686 } | |
687 | |
688 // uint m_flags; | |
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689 sinits.push_back(DtoConstUint(tc->hasPointers())); |
72 | 690 |
691 // create the symbol | |
692 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); | |
73 | 693 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
72 | 694 |
695 llvmValue = gvar; | |
52 | 696 } |
697 | |
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698 /* ========================================================================= */ |
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699 |
52 | 700 void TypeInfoClassDeclaration::toDt(dt_t **pdt) |
701 { | |
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702 assert(0 && "TypeInfoClassDeclaration"); |
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703 |
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704 /* |
52 | 705 //printf("TypeInfoClassDeclaration::toDt() %s\n", tinfo->toChars()); |
706 dtxoff(pdt, Type::typeinfoclass->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoClass | |
707 dtdword(pdt, 0); // monitor | |
708 | |
709 assert(tinfo->ty == Tclass); | |
710 | |
711 TypeClass *tc = (TypeClass *)tinfo; | |
712 Symbol *s; | |
713 | |
714 if (!tc->sym->vclassinfo) | |
715 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
716 s = tc->sym->vclassinfo->toSymbol(); | |
717 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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718 */ |
52 | 719 } |
720 | |
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721 /* ========================================================================= */ |
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722 |
52 | 723 void TypeInfoInterfaceDeclaration::toDt(dt_t **pdt) |
724 { | |
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725 assert(0 && "TypeInfoInterfaceDeclaration"); |
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726 |
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727 /* |
52 | 728 //printf("TypeInfoInterfaceDeclaration::toDt() %s\n", tinfo->toChars()); |
729 dtxoff(pdt, Type::typeinfointerface->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
730 dtdword(pdt, 0); // monitor | |
731 | |
732 assert(tinfo->ty == Tclass); | |
733 | |
734 TypeClass *tc = (TypeClass *)tinfo; | |
735 Symbol *s; | |
736 | |
737 if (!tc->sym->vclassinfo) | |
738 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
739 s = tc->sym->vclassinfo->toSymbol(); | |
740 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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741 */ |
52 | 742 } |
743 | |
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744 /* ========================================================================= */ |
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745 |
52 | 746 void TypeInfoTupleDeclaration::toDt(dt_t **pdt) |
747 { | |
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748 assert(0 && "TypeInfoTupleDeclaration"); |
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749 |
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750 /* |
52 | 751 //printf("TypeInfoTupleDeclaration::toDt() %s\n", tinfo->toChars()); |
752 dtxoff(pdt, Type::typeinfotypelist->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
753 dtdword(pdt, 0); // monitor | |
754 | |
755 assert(tinfo->ty == Ttuple); | |
756 | |
757 TypeTuple *tu = (TypeTuple *)tinfo; | |
758 | |
759 size_t dim = tu->arguments->dim; | |
760 dtdword(pdt, dim); // elements.length | |
761 | |
762 dt_t *d = NULL; | |
763 for (size_t i = 0; i < dim; i++) | |
764 { Argument *arg = (Argument *)tu->arguments->data[i]; | |
765 Expression *e = arg->type->getTypeInfo(NULL); | |
766 e = e->optimize(WANTvalue); | |
767 e->toDt(&d); | |
768 } | |
769 | |
770 Symbol *s; | |
771 s = static_sym(); | |
772 s->Sdt = d; | |
773 outdata(s); | |
774 | |
775 dtxoff(pdt, s, 0, TYnptr); // elements.ptr | |
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776 */ |
52 | 777 } |