Mercurial > projects > ldc
annotate gen/classes.cpp @ 459:9db9099583ca
Implement a rough AddrExp::toConstElem()
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 02 Aug 2008 22:54:36 +0200 |
parents | 3424f0fab7a9 |
children | 672eb4893b55 |
rev | line source |
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1 #include <sstream> |
100 | 2 #include "gen/llvm.h" |
3 | |
4 #include "mtype.h" | |
5 #include "aggregate.h" | |
6 #include "init.h" | |
7 #include "declaration.h" | |
8 | |
9 #include "gen/irstate.h" | |
10 #include "gen/tollvm.h" | |
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11 #include "gen/llvmhelpers.h" |
100 | 12 #include "gen/arrays.h" |
13 #include "gen/logger.h" | |
14 #include "gen/classes.h" | |
132 | 15 #include "gen/structs.h" |
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16 #include "gen/functions.h" |
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17 #include "gen/runtime.h" |
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18 #include "gen/dvalue.h" |
100 | 19 |
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20 #include "ir/irstruct.h" |
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21 |
100 | 22 ////////////////////////////////////////////////////////////////////////////////////////// |
23 | |
137 | 24 static void LLVM_AddBaseClassInterfaces(ClassDeclaration* target, BaseClasses* bcs) |
25 { | |
26 // add base class data members first | |
27 for (int j=0; j<bcs->dim; j++) | |
28 { | |
29 BaseClass* bc = (BaseClass*)(bcs->data[j]); | |
30 | |
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31 // base *classes* might add more interfaces? |
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32 DtoResolveClass(bc->base); |
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33 LLVM_AddBaseClassInterfaces(target, &bc->base->baseclasses); |
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34 |
137 | 35 // resolve interfaces while we're at it |
36 if (bc->base->isInterfaceDeclaration()) | |
37 { | |
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38 // don't add twice |
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39 if (target->ir.irStruct->interfaceMap.find(bc->base) == target->ir.irStruct->interfaceMap.end()) |
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40 { |
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41 Logger::println("adding interface '%s'", bc->base->toPrettyChars()); |
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42 IrInterface* iri = new IrInterface(bc); |
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43 |
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44 // add to map |
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45 target->ir.irStruct->interfaceMap.insert(std::make_pair(bc->base, iri)); |
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46 // add to ordered list |
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47 target->ir.irStruct->interfaceVec.push_back(iri); |
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48 |
137 | 49 // Fill in vtbl[] |
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50 if (!target->isAbstract()) { |
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51 bc->fillVtbl(target, &bc->vtbl, 0); |
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52 } |
137 | 53 } |
54 } | |
55 } | |
56 } | |
57 | |
58 ////////////////////////////////////////////////////////////////////////////////////////// | |
59 | |
100 | 60 static void LLVM_AddBaseClassData(BaseClasses* bcs) |
61 { | |
62 // add base class data members first | |
63 for (int j=0; j<bcs->dim; j++) | |
64 { | |
65 BaseClass* bc = (BaseClass*)(bcs->data[j]); | |
137 | 66 |
67 // interfaces never add data fields | |
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68 if (bc->base->isInterfaceDeclaration()) |
137 | 69 continue; |
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70 |
137 | 71 // recursively add baseclass data |
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72 LLVM_AddBaseClassData(&bc->base->baseclasses); |
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73 |
137 | 74 Array* arr = &bc->base->fields; |
75 if (arr->dim == 0) | |
76 continue; | |
77 | |
100 | 78 Logger::println("Adding base class members of %s", bc->base->toChars()); |
79 LOG_SCOPE; | |
80 | |
132 | 81 for (int k=0; k < arr->dim; k++) { |
82 VarDeclaration* v = (VarDeclaration*)(arr->data[k]); | |
336 | 83 v->toObjFile(0); // TODO: multiobj |
132 | 84 } |
100 | 85 } |
86 } | |
87 | |
88 ////////////////////////////////////////////////////////////////////////////////////////// | |
89 | |
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90 void DtoResolveClass(ClassDeclaration* cd) |
100 | 91 { |
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92 if (cd->ir.resolved) return; |
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93 cd->ir.resolved = true; |
100 | 94 |
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95 Logger::println("DtoResolveClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
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96 LOG_SCOPE; |
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97 |
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98 // get the TypeClass |
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99 assert(cd->type->ty == Tclass); |
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100 TypeClass* ts = (TypeClass*)cd->type; |
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101 |
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102 // make sure the IrStruct is created |
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103 IrStruct* irstruct = cd->ir.irStruct; |
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104 if (!irstruct) { |
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105 irstruct = new IrStruct(ts); |
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106 cd->ir.irStruct = irstruct; |
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107 } |
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108 |
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109 // resolve the base class |
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110 if (cd->baseClass) { |
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111 DtoResolveClass(cd->baseClass); |
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112 } |
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113 |
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114 // resolve interface vtables |
137 | 115 /*if (cd->vtblInterfaces) { |
116 Logger::println("Vtbl interfaces for '%s'", cd->toPrettyChars()); | |
117 LOG_SCOPE; | |
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118 for (int i=0; i < cd->vtblInterfaces->dim; i++) { |
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119 BaseClass *b = (BaseClass *)cd->vtblInterfaces->data[i]; |
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120 ClassDeclaration *id = b->base; |
137 | 121 Logger::println("Vtbl interface: '%s'", id->toPrettyChars()); |
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122 DtoResolveClass(id); |
114 | 123 // Fill in vtbl[] |
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124 b->fillVtbl(cd, &b->vtbl, 1); |
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125 } |
137 | 126 }*/ |
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127 |
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128 // push state |
100 | 129 gIR->structs.push_back(irstruct); |
130 gIR->classes.push_back(cd); | |
131 | |
193
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132 // vector holding the field types |
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133 std::vector<const LLType*> fieldtypes; |
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134 |
100 | 135 // add vtable |
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136 ts->ir.vtblType = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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137 const LLType* vtabty = getPtrToType(ts->ir.vtblType->get()); |
100 | 138 fieldtypes.push_back(vtabty); |
139 | |
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140 // add monitor |
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141 fieldtypes.push_back(getVoidPtrType()); |
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142 |
137 | 143 // add base class data fields first |
100 | 144 LLVM_AddBaseClassData(&cd->baseclasses); |
145 | |
199 | 146 // then add own members, if any |
147 if(cd->members) { | |
148 for (int k=0; k < cd->members->dim; k++) { | |
149 Dsymbol* dsym = (Dsymbol*)(cd->members->data[k]); | |
336 | 150 dsym->toObjFile(0); // TODO: multiobj |
199 | 151 } |
100 | 152 } |
153 | |
132 | 154 // resolve class data fields (possibly unions) |
155 Logger::println("doing class fields"); | |
156 | |
157 if (irstruct->offsets.empty()) | |
158 { | |
159 Logger::println("has no fields"); | |
160 } | |
161 else | |
162 { | |
163 Logger::println("has fields"); | |
164 unsigned prevsize = (unsigned)-1; | |
165 unsigned lastoffset = (unsigned)-1; | |
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166 const LLType* fieldtype = NULL; |
132 | 167 VarDeclaration* fieldinit = NULL; |
168 size_t fieldpad = 0; | |
169 int idx = 0; | |
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170 for (IrStruct::OffsetMap::iterator i=irstruct->offsets.begin(); i!=irstruct->offsets.end(); ++i) { |
132 | 171 // first iteration |
172 if (lastoffset == (unsigned)-1) { | |
173 lastoffset = i->first; | |
174 fieldtype = i->second.type; | |
175 fieldinit = i->second.var; | |
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176 prevsize = getABITypeSize(fieldtype); |
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177 i->second.var->ir.irField->index = idx; |
132 | 178 } |
179 // colliding offset? | |
180 else if (lastoffset == i->first) { | |
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181 size_t s = getABITypeSize(i->second.type); |
132 | 182 if (s > prevsize) { |
183 fieldpad += s - prevsize; | |
184 prevsize = s; | |
185 } | |
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186 cd->ir.irStruct->hasUnions = true; |
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187 i->second.var->ir.irField->index = idx; |
132 | 188 } |
189 // intersecting offset? | |
190 else if (i->first < (lastoffset + prevsize)) { | |
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191 size_t s = getABITypeSize(i->second.type); |
132 | 192 assert((i->first + s) <= (lastoffset + prevsize)); // this holds because all types are aligned to their size |
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193 cd->ir.irStruct->hasUnions = true; |
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194 i->second.var->ir.irField->index = idx; |
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195 i->second.var->ir.irField->indexOffset = (i->first - lastoffset) / s; |
132 | 196 } |
197 // fresh offset | |
198 else { | |
199 // commit the field | |
200 fieldtypes.push_back(fieldtype); | |
201 irstruct->defaultFields.push_back(fieldinit); | |
202 if (fieldpad) { | |
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203 fieldtypes.push_back(llvm::ArrayType::get(LLType::Int8Ty, fieldpad)); |
132 | 204 irstruct->defaultFields.push_back(NULL); |
205 idx++; | |
206 } | |
207 | |
208 idx++; | |
209 | |
210 // start new | |
211 lastoffset = i->first; | |
212 fieldtype = i->second.type; | |
213 fieldinit = i->second.var; | |
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214 prevsize = getABITypeSize(fieldtype); |
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215 i->second.var->ir.irField->index = idx; |
132 | 216 fieldpad = 0; |
217 } | |
218 } | |
219 fieldtypes.push_back(fieldtype); | |
220 irstruct->defaultFields.push_back(fieldinit); | |
221 if (fieldpad) { | |
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222 fieldtypes.push_back(llvm::ArrayType::get(LLType::Int8Ty, fieldpad)); |
132 | 223 irstruct->defaultFields.push_back(NULL); |
224 } | |
225 } | |
226 | |
137 | 227 // populate interface map |
228 { | |
229 Logger::println("Adding interfaces to '%s'", cd->toPrettyChars()); | |
230 LOG_SCOPE; | |
231 LLVM_AddBaseClassInterfaces(cd, &cd->baseclasses); | |
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232 Logger::println("%d interfaces added", cd->ir.irStruct->interfaceVec.size()); |
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233 assert(cd->ir.irStruct->interfaceVec.size() == cd->ir.irStruct->interfaceMap.size()); |
100 | 234 } |
137 | 235 |
236 // add interface vtables at the end | |
237 int interIdx = (int)fieldtypes.size(); | |
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238 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
137 | 239 { |
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240 IrInterface* iri = *i; |
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241 ClassDeclaration* id = iri->decl; |
100 | 242 |
137 | 243 // set vtbl type |
244 TypeClass* itc = (TypeClass*)id->type; | |
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245 const LLType* ivtblTy = itc->ir.vtblType->get(); |
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246 assert(ivtblTy); |
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247 Logger::cout() << "interface vtbl type: " << *ivtblTy << '\n'; |
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248 fieldtypes.push_back(getPtrToType(ivtblTy)); |
137 | 249 |
250 // fix the interface vtable type | |
307
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251 assert(iri->vtblTy == NULL); |
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252 iri->vtblTy = new llvm::PATypeHolder(ivtblTy); |
137 | 253 |
254 // set index | |
255 iri->index = interIdx++; | |
256 } | |
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257 Logger::println("%d interface vtables added", cd->ir.irStruct->interfaceVec.size()); |
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258 assert(cd->ir.irStruct->interfaceVec.size() == cd->ir.irStruct->interfaceMap.size()); |
137 | 259 |
260 // create type | |
100 | 261 const llvm::StructType* structtype = llvm::StructType::get(fieldtypes); |
137 | 262 |
100 | 263 // refine abstract types for stuff like: class C {C next;} |
264 assert(irstruct->recty != 0); | |
265 llvm::PATypeHolder& spa = irstruct->recty; | |
266 llvm::cast<llvm::OpaqueType>(spa.get())->refineAbstractTypeTo(structtype); | |
267 structtype = isaStruct(spa.get()); | |
268 | |
137 | 269 // make it official |
173
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270 if (!ts->ir.type) |
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271 ts->ir.type = new llvm::PATypeHolder(structtype); |
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272 else |
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273 *ts->ir.type = structtype; |
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274 spa = *ts->ir.type; |
100 | 275 |
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276 // name the type |
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277 gIR->module->addTypeName(cd->mangle(), ts->ir.type->get()); |
100 | 278 |
137 | 279 // get interface info type |
280 const llvm::StructType* infoTy = DtoInterfaceInfoType(); | |
113
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281 |
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282 // create vtable type |
100 | 283 llvm::GlobalVariable* svtblVar = 0; |
193
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284 #if OPAQUE_VTBLS |
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285 // void*[vtbl.dim] |
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286 const llvm::ArrayType* svtbl_ty |
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287 = llvm::ArrayType::get(getVoidPtrType(), cd->vtbl.dim); |
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288 |
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289 #else |
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290 std::vector<const LLType*> sinits_ty; |
100 | 291 |
292 for (int k=0; k < cd->vtbl.dim; k++) | |
293 { | |
294 Dsymbol* dsym = (Dsymbol*)cd->vtbl.data[k]; | |
295 assert(dsym); | |
296 //Logger::cout() << "vtblsym: " << dsym->toChars() << '\n'; | |
297 | |
298 if (FuncDeclaration* fd = dsym->isFuncDeclaration()) { | |
102
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299 DtoResolveFunction(fd); |
117 | 300 //assert(fd->type->ty == Tfunction); |
301 //TypeFunction* tf = (TypeFunction*)fd->type; | |
213
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302 //const LLType* fpty = getPtrToType(tf->ir.type->get()); |
117 | 303 const llvm::FunctionType* vfty = DtoBaseFunctionType(fd); |
213
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304 const LLType* vfpty = getPtrToType(vfty); |
117 | 305 sinits_ty.push_back(vfpty); |
100 | 306 } |
113
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307 else if (ClassDeclaration* cd2 = dsym->isClassDeclaration()) { |
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308 Logger::println("*** ClassDeclaration in vtable: %s", cd2->toChars()); |
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309 const LLType* cinfoty; |
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310 if (cd->isInterfaceDeclaration()) { |
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311 cinfoty = infoTy; |
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312 } |
137 | 313 else if (cd != ClassDeclaration::classinfo) { |
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314 cinfoty = ClassDeclaration::classinfo->type->ir.type->get(); |
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315 } |
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316 else { |
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317 // this is the ClassInfo class, the type is this type |
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318 cinfoty = ts->ir.type->get(); |
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319 } |
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320 const LLType* cty = getPtrToType(cinfoty); |
100 | 321 sinits_ty.push_back(cty); |
322 } | |
323 else | |
324 assert(0); | |
325 } | |
326 | |
193
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327 // get type |
102
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328 assert(!sinits_ty.empty()); |
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329 const llvm::StructType* svtbl_ty = llvm::StructType::get(sinits_ty); |
193
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330 #endif |
100 | 331 |
102
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332 // refine for final vtable type |
173
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333 llvm::cast<llvm::OpaqueType>(ts->ir.vtblType->get())->refineAbstractTypeTo(svtbl_ty); |
102
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334 |
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335 #if !OPAQUE_VTBLS |
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336 // name vtbl type |
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337 std::string styname(cd->mangle()); |
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338 styname.append("__vtblType"); |
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339 gIR->module->addTypeName(styname, svtbl_ty); |
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340 #endif |
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341 |
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342 // log |
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343 Logger::cout() << "final class type: " << *ts->ir.type->get() << '\n'; |
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344 |
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345 // pop state |
102
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346 gIR->classes.pop_back(); |
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347 gIR->structs.pop_back(); |
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348 |
193
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349 // queue declare |
102
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350 gIR->declareList.push_back(cd); |
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351 } |
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352 |
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353 ////////////////////////////////////////////////////////////////////////////////////////// |
100 | 354 |
102
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355 void DtoDeclareClass(ClassDeclaration* cd) |
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356 { |
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357 if (cd->ir.declared) return; |
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358 cd->ir.declared = true; |
102
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359 |
132 | 360 Logger::println("DtoDeclareClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
102
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361 LOG_SCOPE; |
100 | 362 |
102
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363 assert(cd->type->ty == Tclass); |
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364 TypeClass* ts = (TypeClass*)cd->type; |
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365 |
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366 assert(cd->ir.irStruct); |
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367 IrStruct* irstruct = cd->ir.irStruct; |
100 | 368 |
102
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369 gIR->structs.push_back(irstruct); |
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370 gIR->classes.push_back(cd); |
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371 |
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372 bool needs_definition = false; |
147
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373 if (cd->getModule() == gIR->dmodule || DtoIsTemplateInstance(cd)) { |
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374 needs_definition = true; |
100 | 375 } |
376 | |
149
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377 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(cd); |
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378 |
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379 // interfaces have no static initializer |
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380 // same goes for abstract classes |
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381 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
113
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382 // vtable |
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383 std::string varname("_D"); |
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384 varname.append(cd->mangle()); |
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385 varname.append("6__vtblZ"); |
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386 cd->ir.irStruct->vtbl = new llvm::GlobalVariable(ts->ir.vtblType->get(), true, _linkage, 0, varname, gIR->module); |
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387 } |
100 | 388 |
136
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389 // get interface info type |
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390 const llvm::StructType* infoTy = DtoInterfaceInfoType(); |
102
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391 |
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392 // interface info array |
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393 if (!cd->ir.irStruct->interfaceVec.empty()) { |
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394 // symbol name |
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395 std::string nam = "_D"; |
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396 nam.append(cd->mangle()); |
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397 nam.append("16__interfaceInfosZ"); |
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398 // resolve array type |
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399 const llvm::ArrayType* arrTy = llvm::ArrayType::get(infoTy, cd->ir.irStruct->interfaceVec.size()); |
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400 // declare global |
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401 irstruct->interfaceInfosTy = arrTy; |
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402 irstruct->interfaceInfos = new llvm::GlobalVariable(arrTy, true, _linkage, NULL, nam, gIR->module); |
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403 } |
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404 |
136
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405 // interfaces have no static initializer |
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406 // same goes for abstract classes |
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407 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
113
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408 // interface vtables |
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409 unsigned idx = 0; |
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410 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
113
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411 { |
142
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412 IrInterface* iri = *i; |
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413 ClassDeclaration* id = iri->decl; |
102
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414 |
113
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415 std::string nam("_D"); |
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416 nam.append(cd->mangle()); |
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417 nam.append("11__interface"); |
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418 nam.append(id->mangle()); |
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419 nam.append("6__vtblZ"); |
102
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420 |
113
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421 assert(iri->vtblTy); |
307
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422 iri->vtbl = new llvm::GlobalVariable(iri->vtblTy->get(), true, _linkage, 0, nam, gIR->module); |
213
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423 LLConstant* idxs[2] = {DtoConstUint(0), DtoConstUint(idx)}; |
113
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424 iri->info = llvm::ConstantExpr::getGetElementPtr(irstruct->interfaceInfos, idxs, 2); |
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425 idx++; |
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426 } |
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427 |
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428 // init |
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429 std::string initname("_D"); |
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430 initname.append(cd->mangle()); |
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431 initname.append("6__initZ"); |
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432 |
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433 llvm::GlobalVariable* initvar = new llvm::GlobalVariable(ts->ir.type->get(), true, _linkage, NULL, initname, gIR->module); |
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434 cd->ir.irStruct->init = initvar; |
113
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435 } |
100 | 436 |
437 gIR->classes.pop_back(); | |
438 gIR->structs.pop_back(); | |
439 | |
102
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440 gIR->constInitList.push_back(cd); |
100 | 441 if (needs_definition) |
102
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442 gIR->defineList.push_back(cd); |
103
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443 |
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444 // classinfo |
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445 DtoDeclareClassInfo(cd); |
106 | 446 |
447 // typeinfo | |
123
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448 if (needs_definition) |
275
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449 DtoTypeInfoOf(cd->type, false); |
100 | 450 } |
451 | |
452 ////////////////////////////////////////////////////////////////////////////////////////// | |
453 | |
454 void DtoConstInitClass(ClassDeclaration* cd) | |
455 { | |
173
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456 if (cd->ir.initialized) return; |
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457 cd->ir.initialized = true; |
100 | 458 |
132 | 459 Logger::println("DtoConstInitClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
100 | 460 LOG_SCOPE; |
461 | |
173
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462 IrStruct* irstruct = cd->ir.irStruct; |
100 | 463 gIR->structs.push_back(irstruct); |
464 gIR->classes.push_back(cd); | |
465 | |
133
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466 // get the struct (class) type |
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467 assert(cd->type->ty == Tclass); |
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468 TypeClass* ts = (TypeClass*)cd->type; |
173
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469 const llvm::StructType* structtype = isaStruct(ts->ir.type->get()); |
193
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470 #if OPAQUE_VTBLS |
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471 const llvm::ArrayType* vtbltype = isaArray(ts->ir.vtblType->get()); |
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472 #else |
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473 const llvm::StructType* vtbltype = isaStruct(ts->ir.vtblType->get()); |
193
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474 #endif |
133
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475 |
100 | 476 // make sure each offset knows its default initializer |
136
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477 for (IrStruct::OffsetMap::iterator i=irstruct->offsets.begin(); i!=irstruct->offsets.end(); ++i) |
100 | 478 { |
136
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479 IrStruct::Offset* so = &i->second; |
213
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480 LLConstant* finit = DtoConstFieldInitializer(so->var->type, so->var->init); |
100 | 481 so->init = finit; |
173
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482 so->var->ir.irField->constInit = finit; |
100 | 483 } |
484 | |
485 // fill out fieldtypes/inits | |
213
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486 std::vector<LLConstant*> fieldinits; |
100 | 487 |
488 // first field is always the vtable | |
190
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489 if (cd->isAbstract() || cd->isInterfaceDeclaration()) |
133
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490 { |
213
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491 const LLType* ptrTy = getPtrToType(ts->ir.vtblType->get()); |
190
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492 fieldinits.push_back(llvm::Constant::getNullValue(ptrTy)); |
133
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493 } |
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494 else |
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495 { |
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496 assert(cd->ir.irStruct->vtbl != 0); |
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497 fieldinits.push_back(cd->ir.irStruct->vtbl); |
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498 } |
100 | 499 |
115
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500 // then comes monitor |
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501 fieldinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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502 |
137 | 503 // go through the field inits and build the default initializer |
504 size_t nfi = irstruct->defaultFields.size(); | |
505 for (size_t i=0; i<nfi; ++i) { | |
213
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506 LLConstant* c; |
137 | 507 if (irstruct->defaultFields[i]) { |
173
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508 c = irstruct->defaultFields[i]->ir.irField->constInit; |
137 | 509 assert(c); |
510 } | |
511 else { | |
512 const llvm::ArrayType* arrty = isaArray(structtype->getElementType(i+2)); | |
513 assert(arrty); | |
244
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514 std::vector<LLConstant*> vals(arrty->getNumElements(), llvm::ConstantInt::get(LLType::Int8Ty, 0, false)); |
137 | 515 c = llvm::ConstantArray::get(arrty, vals); |
516 } | |
517 fieldinits.push_back(c); | |
518 } | |
132 | 519 |
137 | 520 // last comes interface vtables |
136
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521 const llvm::StructType* infoTy = DtoInterfaceInfoType(); |
142
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522 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
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523 { |
142
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524 IrInterface* iri = *i; |
136
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525 iri->infoTy = infoTy; |
142
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526 |
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527 if (cd->isAbstract() || cd->isInterfaceDeclaration()) |
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528 { |
137 | 529 fieldinits.push_back(llvm::Constant::getNullValue(structtype->getElementType(iri->index))); |
133
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530 } |
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531 else |
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532 { |
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533 assert(iri->vtbl); |
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534 fieldinits.push_back(iri->vtbl); |
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535 } |
113
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536 } |
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537 |
100 | 538 // generate initializer |
113
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539 #if 0 |
137 | 540 //Logger::cout() << cd->toPrettyChars() << " | " << *structtype << '\n'; |
541 assert(fieldinits.size() == structtype->getNumElements()); | |
102
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542 for(size_t i=0; i<structtype->getNumElements(); ++i) { |
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543 Logger::cout() << "s#" << i << " = " << *structtype->getElementType(i) << '\n'; |
137 | 544 Logger::cout() << "i#" << i << " = " << *fieldinits[i] << '\n'; |
545 assert(fieldinits[i]->getType() == structtype->getElementType(i)); | |
102
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546 } |
137 | 547 #endif |
102
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548 |
137 | 549 #if 0 |
102
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550 for(size_t i=0; i<fieldinits.size(); ++i) { |
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551 Logger::cout() << "i#" << i << " = " << *fieldinits[i]->getType() << '\n'; |
113
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552 } |
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553 #endif |
102
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554 |
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555 LLConstant* _init = llvm::ConstantStruct::get(structtype, fieldinits); |
100 | 556 assert(_init); |
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557 cd->ir.irStruct->constInit = _init; |
100 | 558 |
133
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559 // abstract classes have no static vtable |
137 | 560 // neither do interfaces (on their own, the implementing class supplies the vtable) |
561 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) | |
133
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562 { |
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563 // generate vtable initializer |
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564 std::vector<LLConstant*> sinits; |
102
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565 |
133
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566 for (int k=0; k < cd->vtbl.dim; k++) |
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567 { |
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568 Dsymbol* dsym = (Dsymbol*)cd->vtbl.data[k]; |
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569 assert(dsym); |
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570 //Logger::cout() << "vtblsym: " << dsym->toChars() << '\n'; |
102
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571 |
193
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572 #if OPAQUE_VTBLS |
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573 const LLType* targetTy = getVoidPtrType(); |
193
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574 #else |
213
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575 const LLType* targetTy = vtbltype->getElementType(k); |
193
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576 #endif |
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577 |
213
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578 LLConstant* c = NULL; |
193
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579 // virtual method |
133
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580 if (FuncDeclaration* fd = dsym->isFuncDeclaration()) { |
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581 DtoForceDeclareDsymbol(fd); |
173
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582 assert(fd->ir.irFunc->func); |
193
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583 c = llvm::cast<llvm::Constant>(fd->ir.irFunc->func); |
133
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584 } |
193
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585 // classinfo |
133
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586 else if (ClassDeclaration* cd2 = dsym->isClassDeclaration()) { |
173
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587 assert(cd->ir.irStruct->classInfo); |
193
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588 c = cd->ir.irStruct->classInfo; |
133
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589 } |
193
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590 assert(c != NULL); |
102
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|
591 |
193
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592 // cast if necessary (overridden method) |
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593 if (c->getType() != targetTy) |
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594 c = llvm::ConstantExpr::getBitCast(c, targetTy); |
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595 sinits.push_back(c); |
113
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|
596 } |
193
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|
597 #if OPAQUE_VTBLS |
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|
598 const llvm::ArrayType* svtbl_ty = isaArray(ts->ir.vtblType->get()); |
199 | 599 cd->ir.irStruct->constVtbl = llvm::ConstantArray::get(svtbl_ty, sinits); |
193
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|
600 #else |
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601 const llvm::StructType* svtbl_ty = isaStruct(ts->ir.vtblType->get()); |
213
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602 LLConstant* cvtblInit = llvm::ConstantStruct::get(svtbl_ty, sinits); |
173
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603 cd->ir.irStruct->constVtbl = llvm::cast<llvm::ConstantStruct>(cvtblInit); |
193
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604 #endif |
133
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605 |
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606 // create interface vtable const initalizers |
142
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607 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
133
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608 { |
142
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609 IrInterface* iri = *i; |
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|
610 BaseClass* b = iri->base; |
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611 |
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612 ClassDeclaration* id = iri->decl; |
133
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613 assert(id->type->ty == Tclass); |
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614 TypeClass* its = (TypeClass*)id->type; |
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615 |
193
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|
616 #if OPAQUE_VTBLS |
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617 const llvm::ArrayType* ivtbl_ty = isaArray(its->ir.vtblType->get()); |
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618 #else |
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619 const llvm::StructType* ivtbl_ty = isaStruct(its->ir.vtblType->get()); |
193
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620 #endif |
133
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621 |
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622 // generate interface info initializer |
213
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623 std::vector<LLConstant*> infoInits; |
136
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624 |
133
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625 // classinfo |
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626 assert(id->ir.irStruct->classInfo); |
213
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627 LLConstant* c = id->ir.irStruct->classInfo; |
133
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628 infoInits.push_back(c); |
136
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629 |
133
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630 // vtbl |
244
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631 const LLType* byteptrptrty = getPtrToType(getPtrToType(LLType::Int8Ty)); |
133
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632 c = llvm::ConstantExpr::getBitCast(iri->vtbl, byteptrptrty); |
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633 c = DtoConstSlice(DtoConstSize_t(b->vtbl.dim), c); |
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634 infoInits.push_back(c); |
136
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|
635 |
133
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|
636 // offset |
137 | 637 assert(iri->index >= 0); |
173
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638 size_t ioff = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(iri->index); |
137 | 639 infoInits.push_back(DtoConstUint(ioff)); |
136
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640 |
133
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641 // create interface info initializer constant |
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642 iri->infoInit = llvm::cast<llvm::ConstantStruct>(llvm::ConstantStruct::get(iri->infoTy, infoInits)); |
113
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|
643 |
133
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644 // generate vtable initializer |
213
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645 std::vector<LLConstant*> iinits; |
133
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646 |
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647 // add interface info |
193
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648 #if OPAQUE_VTBLS |
213
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649 const LLType* targetTy = getVoidPtrType(); |
193
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650 iinits.push_back(llvm::ConstantExpr::getBitCast(iri->info, targetTy)); |
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651 #else |
133
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|
652 iinits.push_back(iri->info); |
193
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653 #endif |
133
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|
654 |
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655 for (int k=1; k < b->vtbl.dim; k++) |
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656 { |
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657 Logger::println("interface vtbl const init nr. %d", k); |
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658 Dsymbol* dsym = (Dsymbol*)b->vtbl.data[k]; |
423
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659 |
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660 // error on unimplemented functions, error was already generated earlier |
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661 if(!dsym) |
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|
662 fatal(); |
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663 |
133
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664 FuncDeclaration* fd = dsym->isFuncDeclaration(); |
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665 assert(fd); |
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666 DtoForceDeclareDsymbol(fd); |
173
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667 assert(fd->ir.irFunc->func); |
213
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668 LLConstant* c = llvm::cast<llvm::Constant>(fd->ir.irFunc->func); |
136
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669 |
193
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670 #if !OPAQUE_VTBLS |
213
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671 const LLType* targetTy = iri->vtblTy->getContainedType(k); |
193
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672 #endif |
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|
673 |
133
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674 // we have to bitcast, as the type created in ResolveClass expects a different this type |
193
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675 c = llvm::ConstantExpr::getBitCast(c, targetTy); |
133
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676 iinits.push_back(c); |
193
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677 Logger::cout() << "c: " << *c << '\n'; |
133
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678 } |
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|
679 |
193
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680 #if OPAQUE_VTBLS |
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681 Logger::cout() << "n: " << iinits.size() << " ivtbl_ty: " << *ivtbl_ty << '\n'; |
213
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682 LLConstant* civtblInit = llvm::ConstantArray::get(ivtbl_ty, iinits); |
193
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683 iri->vtblInit = llvm::cast<llvm::ConstantArray>(civtblInit); |
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684 #else |
213
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685 LLConstant* civtblInit = llvm::ConstantStruct::get(ivtbl_ty, iinits); |
133
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686 iri->vtblInit = llvm::cast<llvm::ConstantStruct>(civtblInit); |
193
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687 #endif |
133
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688 } |
136
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689 } |
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690 // we always generate interfaceinfos as best we can |
177
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691 else |
136
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692 { |
177
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693 // TODO: this is duplicated code from right above... I'm just too lazy to generalise it right now :/ |
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694 // create interface vtable const initalizers |
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695 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
136
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696 { |
177
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697 IrInterface* iri = *i; |
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698 BaseClass* b = iri->base; |
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699 |
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700 ClassDeclaration* id = iri->decl; |
136
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701 assert(id->type->ty == Tclass); |
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702 TypeClass* its = (TypeClass*)id->type; |
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703 |
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704 // generate interface info initializer |
213
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705 std::vector<LLConstant*> infoInits; |
136
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706 |
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707 // classinfo |
173
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708 assert(id->ir.irStruct->classInfo); |
213
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709 LLConstant* c = id->ir.irStruct->classInfo; |
136
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710 infoInits.push_back(c); |
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711 |
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712 // vtbl |
244
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713 const LLType* byteptrptrty = getPtrToType(getPtrToType(LLType::Int8Ty)); |
136
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714 c = DtoConstSlice(DtoConstSize_t(0), getNullPtr(byteptrptrty)); |
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715 infoInits.push_back(c); |
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716 |
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717 // offset |
177
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718 assert(iri->index >= 0); |
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719 size_t ioff = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(iri->index); |
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720 infoInits.push_back(DtoConstUint(ioff)); |
136
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721 |
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722 // create interface info initializer constant |
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723 iri->infoInit = llvm::cast<llvm::ConstantStruct>(llvm::ConstantStruct::get(iri->infoTy, infoInits)); |
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724 } |
177
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725 } |
113
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726 |
100 | 727 gIR->classes.pop_back(); |
728 gIR->structs.pop_back(); | |
729 } | |
730 | |
731 ////////////////////////////////////////////////////////////////////////////////////////// | |
732 | |
733 void DtoDefineClass(ClassDeclaration* cd) | |
734 { | |
173
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735 if (cd->ir.defined) return; |
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736 cd->ir.defined = true; |
100 | 737 |
132 | 738 Logger::println("DtoDefineClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
100 | 739 LOG_SCOPE; |
740 | |
741 // get the struct (class) type | |
742 assert(cd->type->ty == Tclass); | |
743 TypeClass* ts = (TypeClass*)cd->type; | |
744 | |
147
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745 if (cd->getModule() == gIR->dmodule || DtoIsTemplateInstance(cd)) { |
177
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746 |
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747 // interfaces don't have static initializer/vtable |
133
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748 // neither do abstract classes |
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749 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) |
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750 { |
173
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751 cd->ir.irStruct->init->setInitializer(cd->ir.irStruct->constInit); |
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752 cd->ir.irStruct->vtbl->setInitializer(cd->ir.irStruct->constVtbl); |
113
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|
753 |
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754 // initialize interface vtables |
173
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755 IrStruct* irstruct = cd->ir.irStruct; |
142
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756 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
113
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|
757 { |
142
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758 IrInterface* iri = *i; |
113
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|
759 iri->vtbl->setInitializer(iri->vtblInit); |
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760 } |
177
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761 } |
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|
762 |
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763 // always do interface info array when possible |
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764 IrStruct* irstruct = cd->ir.irStruct; |
213
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765 std::vector<LLConstant*> infoInits; |
177
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766 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
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767 { |
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|
768 IrInterface* iri = *i; |
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769 infoInits.push_back(iri->infoInit); |
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770 } |
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771 // set initializer |
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772 if (!infoInits.empty()) |
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773 { |
213
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774 LLConstant* arrInit = llvm::ConstantArray::get(irstruct->interfaceInfosTy, infoInits); |
177
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775 irstruct->interfaceInfos->setInitializer(arrInit); |
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776 } |
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777 else |
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|
778 { |
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779 assert(irstruct->interfaceInfos == NULL); |
113
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|
780 } |
123
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lindquist
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diff
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|
781 |
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|
782 // generate classinfo |
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783 DtoDefineClassInfo(cd); |
100 | 784 } |
785 } | |
786 | |
787 ////////////////////////////////////////////////////////////////////////////////////////// | |
788 | |
133
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789 DValue* DtoNewClass(TypeClass* tc, NewExp* newexp) |
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790 { |
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|
791 // resolve type |
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792 DtoForceDeclareDsymbol(tc->sym); |
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|
793 |
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|
794 // allocate |
213
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795 LLValue* mem; |
133
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796 if (newexp->onstack) |
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797 { |
414
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798 mem = new llvm::AllocaInst(DtoType(tc)->getContainedType(0), ".newclass_alloca", gIR->topallocapoint()); |
133
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799 } |
284
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800 // custom allocator |
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801 else if (newexp->allocator) |
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802 { |
414
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803 DtoForceDeclareDsymbol(newexp->allocator); |
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804 DFuncValue dfn(newexp->allocator, newexp->allocator->ir.irFunc->func); |
422
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Error message for calling a function with a missing 'this' arg.
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|
805 DValue* res = DtoCallFunction(newexp->loc, NULL, &dfn, newexp->newargs); |
414
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806 mem = DtoBitCast(res->getRVal(), DtoType(tc), ".newclass_custom"); |
284
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807 } |
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808 // default allocator |
133
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809 else |
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810 { |
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811 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_newclass"); |
414
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812 mem = gIR->CreateCallOrInvoke(fn, tc->sym->ir.irStruct->classInfo, ".newclass_gc_alloc")->get(); |
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813 mem = DtoBitCast(mem, DtoType(tc), ".newclass_gc"); |
133
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814 } |
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815 |
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816 // init |
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817 DtoInitClass(tc, mem); |
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818 |
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819 // init inner-class outer reference |
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820 if (newexp->thisexp) |
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821 { |
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822 Logger::println("Resolving outer class"); |
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823 LOG_SCOPE; |
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824 DValue* thisval = newexp->thisexp->toElem(gIR); |
173
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825 size_t idx = 2 + tc->sym->vthis->ir.irField->index; |
213
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826 LLValue* src = thisval->getRVal(); |
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827 LLValue* dst = DtoGEPi(mem,0,idx,"tmp"); |
133
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828 Logger::cout() << "dst: " << *dst << "\nsrc: " << *src << '\n'; |
169
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829 DtoStore(src, dst); |
133
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830 } |
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831 // set the context for nested classes |
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832 else if (tc->sym->isNested()) |
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833 { |
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834 Logger::println("Resolving nested context"); |
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835 LOG_SCOPE; |
369
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836 |
370
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837 size_t idx = 2 + tc->sym->vthis->ir.irField->index; |
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838 LLValue* gep = DtoGEPi(mem,0,idx,"tmp"); |
369
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839 |
348
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840 // this value might be zero if it was not necessary to generate it ... |
347
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841 LLValue* nest = gIR->func()->nestedVar; |
348
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842 // ... then revert to the this ptr if there is one |
133
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843 if (!nest) |
347
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844 nest = gIR->func()->thisVar; |
348
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845 // ... or just use zero, since it must be unused. |
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846 if (!nest) |
369
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847 nest = llvm::Constant::getNullValue(gep->getType()->getContainedType(0)); |
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848 else |
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849 nest = DtoBitCast(nest, gep->getType()->getContainedType(0)); |
133
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850 DtoStore(nest, gep); |
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851 } |
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852 |
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853 // call constructor |
160 | 854 if (newexp->member) |
855 { | |
856 assert(newexp->arguments != NULL); | |
414
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857 DtoForceDeclareDsymbol(newexp->member); |
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858 DFuncValue dfn(newexp->member, newexp->member->ir.irFunc->func, mem); |
422
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859 return DtoCallFunction(newexp->loc, tc, &dfn, newexp->arguments); |
160 | 860 } |
133
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861 |
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862 // return default constructed class |
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863 return new DImValue(tc, mem, false); |
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864 } |
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865 |
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866 ////////////////////////////////////////////////////////////////////////////////////////// |
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867 |
213
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868 void DtoInitClass(TypeClass* tc, LLValue* dst) |
133
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869 { |
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870 size_t presz = 2*getABITypeSize(DtoSize_t()); |
173
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871 uint64_t n = getABITypeSize(tc->ir.type->get()) - presz; |
133
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872 |
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873 // set vtable field seperately, this might give better optimization |
173
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874 assert(tc->sym->ir.irStruct->vtbl); |
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875 DtoStore(tc->sym->ir.irStruct->vtbl, DtoGEPi(dst,0,0,"vtbl")); |
133
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876 |
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877 // monitor always defaults to zero |
213
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878 LLValue* tmp = DtoGEPi(dst,0,1,"monitor"); |
133
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879 DtoStore(llvm::Constant::getNullValue(tmp->getType()->getContainedType(0)), tmp); |
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880 |
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881 // done? |
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882 if (n == 0) |
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883 return; |
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884 |
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885 // copy the rest from the static initializer |
173
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886 assert(tc->sym->ir.irStruct->init); |
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887 assert(dst->getType() == tc->sym->ir.irStruct->init->getType()); |
133
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888 |
213
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889 LLValue* dstarr = DtoGEPi(dst,0,2,"tmp"); |
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890 LLValue* srcarr = DtoGEPi(tc->sym->ir.irStruct->init,0,2,"tmp"); |
133
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891 |
244
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892 DtoMemCpy(dstarr, srcarr, DtoConstSize_t(n)); |
133
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893 } |
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894 |
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895 ////////////////////////////////////////////////////////////////////////////////////////// |
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896 |
213
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897 void DtoFinalizeClass(LLValue* inst) |
209
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898 { |
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899 // get runtime function |
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900 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_callfinalizer"); |
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901 // build args |
213
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902 LLSmallVector<LLValue*,1> arg; |
209
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903 arg.push_back(DtoBitCast(inst, fn->getFunctionType()->getParamType(0), ".tmp")); |
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904 // call |
315
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|
905 gIR->CreateCallOrInvoke(fn, arg.begin(), arg.end(), ""); |
209
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906 } |
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907 |
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908 ////////////////////////////////////////////////////////////////////////////////////////// |
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909 |
114 | 910 DValue* DtoCastClass(DValue* val, Type* _to) |
911 { | |
138 | 912 Logger::println("DtoCastClass(%s, %s)", val->getType()->toChars(), _to->toChars()); |
913 LOG_SCOPE; | |
914 | |
114 | 915 Type* to = DtoDType(_to); |
916 if (to->ty == Tpointer) { | |
213
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917 const LLType* tolltype = DtoType(_to); |
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918 LLValue* rval = DtoBitCast(val->getRVal(), tolltype); |
114 | 919 return new DImValue(_to, rval); |
920 } | |
921 | |
922 assert(to->ty == Tclass); | |
923 TypeClass* tc = (TypeClass*)to; | |
924 | |
925 Type* from = DtoDType(val->getType()); | |
926 TypeClass* fc = (TypeClass*)from; | |
927 | |
928 if (tc->sym->isInterfaceDeclaration()) { | |
138 | 929 Logger::println("to interface"); |
133
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930 if (fc->sym->isInterfaceDeclaration()) { |
138 | 931 Logger::println("from interface"); |
133
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932 return DtoDynamicCastInterface(val, _to); |
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933 } |
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934 else { |
138 | 935 Logger::println("from object"); |
133
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936 return DtoDynamicCastObject(val, _to); |
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937 } |
114 | 938 } |
939 else { | |
138 | 940 Logger::println("to object"); |
114 | 941 int poffset; |
942 if (fc->sym->isInterfaceDeclaration()) { | |
138 | 943 Logger::println("interface cast"); |
114 | 944 return DtoCastInterfaceToObject(val, _to); |
945 } | |
138 | 946 else if (!tc->sym->isInterfaceDeclaration() && tc->sym->isBaseOf(fc->sym,NULL)) { |
947 Logger::println("static down cast)"); | |
213
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948 const LLType* tolltype = DtoType(_to); |
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949 LLValue* rval = DtoBitCast(val->getRVal(), tolltype); |
114 | 950 return new DImValue(_to, rval); |
951 } | |
952 else { | |
138 | 953 Logger::println("dynamic up cast"); |
114 | 954 return DtoDynamicCastObject(val, _to); |
955 } | |
956 } | |
957 } | |
958 | |
959 ////////////////////////////////////////////////////////////////////////////////////////// | |
960 | |
961 DValue* DtoDynamicCastObject(DValue* val, Type* _to) | |
113
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962 { |
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963 // call: |
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964 // Object _d_dynamic_cast(Object o, ClassInfo c) |
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965 |
114 | 966 DtoForceDeclareDsymbol(ClassDeclaration::object); |
967 DtoForceDeclareDsymbol(ClassDeclaration::classinfo); | |
968 | |
113
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969 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_dynamic_cast"); |
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970 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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971 |
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972 std::vector<LLValue*> args; |
113
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973 |
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974 // Object o |
217
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975 LLValue* obj = val->getRVal(); |
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976 obj = DtoBitCast(obj, funcTy->getParamType(0)); |
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977 assert(funcTy->getParamType(0) == obj->getType()); |
113
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978 |
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979 // ClassInfo c |
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980 TypeClass* to = (TypeClass*)DtoDType(_to); |
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981 DtoForceDeclareDsymbol(to->sym); |
173
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982 assert(to->sym->ir.irStruct->classInfo); |
217
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983 LLValue* cinfo = to->sym->ir.irStruct->classInfo; |
114 | 984 // unfortunately this is needed as the implementation of object differs somehow from the declaration |
985 // this could happen in user code as well :/ | |
217
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986 cinfo = DtoBitCast(cinfo, funcTy->getParamType(1)); |
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987 assert(funcTy->getParamType(1) == cinfo->getType()); |
113
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988 |
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989 // call it |
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990 LLValue* ret = gIR->CreateCallOrInvoke2(func, obj, cinfo, "tmp")->get(); |
114 | 991 |
992 // cast return value | |
113
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993 ret = DtoBitCast(ret, DtoType(_to)); |
114 | 994 |
113
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995 return new DImValue(_to, ret); |
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996 } |
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997 |
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998 ////////////////////////////////////////////////////////////////////////////////////////// |
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999 |
114 | 1000 DValue* DtoCastInterfaceToObject(DValue* val, Type* to) |
113
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1001 { |
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1002 // call: |
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1003 // Object _d_toObject(void* p) |
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1004 |
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1005 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_toObject"); |
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1006 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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1007 |
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1008 // void* p |
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1009 LLValue* tmp = val->getRVal(); |
113
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1010 tmp = DtoBitCast(tmp, funcTy->getParamType(0)); |
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1011 |
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1012 // call it |
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1013 LLValue* ret = gIR->CreateCallOrInvoke(func, tmp, "tmp")->get(); |
114 | 1014 |
1015 // cast return value | |
1016 if (to != NULL) | |
1017 ret = DtoBitCast(ret, DtoType(to)); | |
1018 else | |
1019 to = ClassDeclaration::object->type; | |
1020 | |
1021 return new DImValue(to, ret); | |
113
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1022 } |
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1023 |
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1024 ////////////////////////////////////////////////////////////////////////////////////////// |
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1025 |
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1026 DValue* DtoDynamicCastInterface(DValue* val, Type* _to) |
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1027 { |
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1028 // call: |
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1029 // Object _d_interface_cast(void* p, ClassInfo c) |
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1030 |
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1031 DtoForceDeclareDsymbol(ClassDeclaration::object); |
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1032 DtoForceDeclareDsymbol(ClassDeclaration::classinfo); |
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1033 |
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1034 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_interface_cast"); |
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1035 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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1036 |
213
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1037 std::vector<LLValue*> args; |
133
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1038 |
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1039 // void* p |
217
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1040 LLValue* ptr = val->getRVal(); |
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1041 ptr = DtoBitCast(ptr, funcTy->getParamType(0)); |
133
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1042 |
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1043 // ClassInfo c |
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1044 TypeClass* to = (TypeClass*)DtoDType(_to); |
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1045 DtoForceDeclareDsymbol(to->sym); |
173
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1046 assert(to->sym->ir.irStruct->classInfo); |
217
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1047 LLValue* cinfo = to->sym->ir.irStruct->classInfo; |
133
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1048 // unfortunately this is needed as the implementation of object differs somehow from the declaration |
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1049 // this could happen in user code as well :/ |
217
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1050 cinfo = DtoBitCast(cinfo, funcTy->getParamType(1)); |
133
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1051 |
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1052 // call it |
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1053 LLValue* ret = gIR->CreateCallOrInvoke2(func, ptr, cinfo, "tmp")->get(); |
133
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1054 |
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1055 // cast return value |
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1056 ret = DtoBitCast(ret, DtoType(_to)); |
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1057 |
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1058 return new DImValue(_to, ret); |
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1059 } |
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1060 |
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1061 ////////////////////////////////////////////////////////////////////////////////////////// |
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1062 |
132 | 1063 static unsigned LLVM_ClassOffsetToIndex(ClassDeclaration* cd, unsigned os, unsigned& idx) |
1064 { | |
1065 // start at the bottom of the inheritance chain | |
1066 if (cd->baseClass != 0) { | |
1067 unsigned o = LLVM_ClassOffsetToIndex(cd->baseClass, os, idx); | |
1068 if (o != (unsigned)-1) | |
1069 return o; | |
1070 } | |
1071 | |
1072 // check this class | |
1073 unsigned i; | |
1074 for (i=0; i<cd->fields.dim; ++i) { | |
1075 VarDeclaration* vd = (VarDeclaration*)cd->fields.data[i]; | |
1076 if (os == vd->offset) | |
1077 return i+idx; | |
1078 } | |
1079 idx += i; | |
1080 | |
1081 return (unsigned)-1; | |
1082 } | |
1083 | |
1084 ////////////////////////////////////////////////////////////////////////////////////////// | |
1085 | |
1086 void ClassDeclaration::offsetToIndex(Type* t, unsigned os, std::vector<unsigned>& result) | |
1087 { | |
1088 unsigned idx = 0; | |
1089 unsigned r = LLVM_ClassOffsetToIndex(this, os, idx); | |
1090 assert(r != (unsigned)-1 && "Offset not found in any aggregate field"); | |
1091 // vtable is 0, monitor is 1 | |
1092 r += 2; | |
1093 // the final index was not pushed | |
1094 result.push_back(r); | |
1095 } | |
1096 | |
1097 ////////////////////////////////////////////////////////////////////////////////////////// | |
1098 | |
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1099 LLValue* DtoIndexClass(LLValue* ptr, ClassDeclaration* cd, Type* t, unsigned os, DStructIndexVector& idxs) |
132 | 1100 { |
1101 Logger::println("checking for offset %u type %s:", os, t->toChars()); | |
1102 LOG_SCOPE; | |
1103 | |
1104 if (idxs.empty()) | |
1105 idxs.push_back(0); | |
1106 | |
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1107 const LLType* st = DtoType(cd->type); |
132 | 1108 if (ptr->getType() != st) { |
1109 ptr = gIR->ir->CreateBitCast(ptr, st, "tmp"); | |
1110 } | |
1111 | |
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1112 const LLType* llt = getPtrToType(DtoType(t)); |
137 | 1113 unsigned dataoffset = 2; |
132 | 1114 |
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1115 IrStruct* irstruct = cd->ir.irStruct; |
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1116 for (IrStruct::OffsetMap::iterator i=irstruct->offsets.begin(); i!=irstruct->offsets.end(); ++i) { |
132 | 1117 VarDeclaration* vd = i->second.var; |
1118 assert(vd); | |
1119 Type* vdtype = DtoDType(vd->type); | |
169
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1120 //Logger::println("found %u type %s", vd->offset, vdtype->toChars()); |
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1121 assert(vd->ir.irField->index >= 0); |
201 | 1122 if (os == vd->offset && vdtype->toBasetype() == t->toBasetype()) { |
169
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1123 Logger::println("found %s %s", vdtype->toChars(), vd->toChars()); |
173
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1124 idxs.push_back(vd->ir.irField->index + dataoffset); |
169
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1125 //Logger::cout() << "indexing: " << *ptr << '\n'; |
217
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1126 ptr = DtoGEPi(ptr, idxs, "tmp"); |
132 | 1127 if (ptr->getType() != llt) |
1128 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
169
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1129 //Logger::cout() << "indexing: " << *ptr << '\n'; |
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1130 if (vd->ir.irField->indexOffset) |
205
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1131 ptr = llvm::GetElementPtrInst::Create(ptr, DtoConstUint(vd->ir.irField->indexOffset), "tmp", gIR->scopebb()); |
169
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1132 //Logger::cout() << "indexing: " << *ptr << '\n'; |
132 | 1133 return ptr; |
1134 } | |
1135 else if (vdtype->ty == Tstruct && (vd->offset + vdtype->size()) > os) { | |
1136 TypeStruct* ts = (TypeStruct*)vdtype; | |
1137 StructDeclaration* ssd = ts->sym; | |
173
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1138 idxs.push_back(vd->ir.irField->index + dataoffset); |
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1139 if (vd->ir.irField->indexOffset) { |
132 | 1140 Logger::println("has union field offset"); |
217
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1141 ptr = DtoGEPi(ptr, idxs, "tmp"); |
132 | 1142 if (ptr->getType() != llt) |
1143 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
205
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1144 ptr = llvm::GetElementPtrInst::Create(ptr, DtoConstUint(vd->ir.irField->indexOffset), "tmp", gIR->scopebb()); |
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1145 DStructIndexVector tmp; |
132 | 1146 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, tmp); |
1147 } | |
1148 else { | |
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1149 const LLType* sty = getPtrToType(DtoType(vd->type)); |
132 | 1150 if (ptr->getType() != sty) { |
1151 ptr = gIR->ir->CreateBitCast(ptr, sty, "tmp"); | |
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1152 DStructIndexVector tmp; |
132 | 1153 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, tmp); |
1154 } | |
1155 else { | |
1156 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, idxs); | |
1157 } | |
1158 } | |
1159 } | |
1160 } | |
1161 | |
1162 assert(0); | |
1163 | |
133
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1164 size_t llt_sz = getABITypeSize(llt->getContainedType(0)); |
132 | 1165 assert(os % llt_sz == 0); |
1166 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
205
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1167 return llvm::GetElementPtrInst::Create(ptr, DtoConstUint(os / llt_sz), "tmp", gIR->scopebb()); |
132 | 1168 } |
1169 | |
1170 ////////////////////////////////////////////////////////////////////////////////////////// | |
1171 | |
213
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1172 LLValue* DtoVirtualFunctionPointer(DValue* inst, FuncDeclaration* fdecl) |
133
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1173 { |
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|
1174 assert(fdecl->isVirtual());//fdecl->isAbstract() || (!fdecl->isFinal() && fdecl->isVirtual())); |
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1175 assert(fdecl->vtblIndex > 0); |
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1176 assert(DtoDType(inst->getType())->ty == Tclass); |
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|
1177 |
213
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1178 LLValue* vthis = inst->getRVal(); |
193
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diff
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|
1179 Logger::cout() << "vthis: " << *vthis << '\n'; |
133
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1180 |
213
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1181 LLValue* funcval; |
133
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|
1182 funcval = DtoGEPi(vthis, 0, 0, "tmp"); |
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|
1183 funcval = DtoLoad(funcval); |
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|
1184 funcval = DtoGEPi(funcval, 0, fdecl->vtblIndex, fdecl->toPrettyChars()); |
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|
1185 funcval = DtoLoad(funcval); |
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|
1186 |
193
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|
1187 Logger::cout() << "funcval: " << *funcval << '\n'; |
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diff
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|
1188 |
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diff
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|
1189 #if OPAQUE_VTBLS |
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|
1190 funcval = DtoBitCast(funcval, getPtrToType(DtoType(fdecl->type))); |
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|
1191 Logger::cout() << "funcval casted: " << *funcval << '\n'; |
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|
1192 #endif |
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|
1193 |
133
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|
1194 return funcval; |
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diff
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|
1195 } |
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|
1196 |
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|
1197 ////////////////////////////////////////////////////////////////////////////////////////// |
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|
1198 |
100 | 1199 void DtoDeclareClassInfo(ClassDeclaration* cd) |
1200 { | |
173
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[svn r189] moving IR data back into DMD frontend nodes
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169
diff
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|
1201 if (cd->ir.irStruct->classDeclared) return; |
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|
1202 cd->ir.irStruct->classDeclared = true; |
100 | 1203 |
102
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[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
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100
diff
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|
1204 Logger::println("DtoDeclareClassInfo(%s)", cd->toChars()); |
100 | 1205 LOG_SCOPE; |
1206 | |
1207 ClassDeclaration* cinfo = ClassDeclaration::classinfo; | |
102
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100
diff
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|
1208 DtoResolveClass(cinfo); |
100 | 1209 |
1210 std::string gname("_D"); | |
1211 gname.append(cd->mangle()); | |
113
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[svn r117] Initial working implementation of interfaces.
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112
diff
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|
1212 if (!cd->isInterfaceDeclaration()) |
27b9f749d9fe
[svn r117] Initial working implementation of interfaces.
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112
diff
changeset
|
1213 gname.append("7__ClassZ"); |
27b9f749d9fe
[svn r117] Initial working implementation of interfaces.
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112
diff
changeset
|
1214 else |
27b9f749d9fe
[svn r117] Initial working implementation of interfaces.
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diff
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|
1215 gname.append("11__InterfaceZ"); |
100 | 1216 |
213
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diff
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|
1217 const LLType* st = cinfo->type->ir.type->get(); |
102
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100
diff
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|
1218 |
309 | 1219 cd->ir.irStruct->classInfo = new llvm::GlobalVariable(st, false, DtoLinkage(cd), NULL, gname, gIR->module); |
100 | 1220 } |
1221 | |
271
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[svn r292] Fixed: string switch was broken in several ways.
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268
diff
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|
1222 static LLConstant* build_offti_entry(ClassDeclaration* cd, VarDeclaration* vd) |
110
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
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|
1223 { |
213
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diff
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|
1224 std::vector<const LLType*> types; |
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[svn r229] Updated the object.d implementation to the latest Tango.
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parents:
210
diff
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|
1225 std::vector<LLConstant*> inits; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
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|
1226 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1227 types.push_back(DtoSize_t()); |
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
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|
1228 |
271
1e6e2b5d5bfe
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268
diff
changeset
|
1229 assert(vd->ir.irField); |
1e6e2b5d5bfe
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268
diff
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|
1230 assert(vd->ir.irField->index >= 0); |
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268
diff
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|
1231 size_t offset = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(vd->ir.irField->index+2); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
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|
1232 inits.push_back(DtoConstSize_t(offset)); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
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|
1233 |
275
665b81613475
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271
diff
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|
1234 LLConstant* c = DtoTypeInfoOf(vd->type, true); |
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271
diff
changeset
|
1235 const LLType* tiTy = c->getType(); |
123
7f9a0a58394b
[svn r127] Updated the lphobos build scripts a little. Created a new rebuild profile.
lindquist
parents:
121
diff
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|
1236 //Logger::cout() << "tiTy = " << *tiTy << '\n'; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
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|
1237 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
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|
1238 types.push_back(tiTy); |
275
665b81613475
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diff
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|
1239 inits.push_back(c); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1240 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1241 const llvm::StructType* sTy = llvm::StructType::get(types); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
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|
1242 return llvm::ConstantStruct::get(sTy, inits); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1243 } |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1244 |
213
7816aafeea3c
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lindquist
parents:
210
diff
changeset
|
1245 static LLConstant* build_offti_array(ClassDeclaration* cd, LLConstant* init) |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
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diff
changeset
|
1246 { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1247 const llvm::StructType* initTy = isaStruct(init->getType()); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1248 assert(initTy); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1249 |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
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parents:
210
diff
changeset
|
1250 std::vector<LLConstant*> arrayInits; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
changeset
|
1251 for (ClassDeclaration *cd2 = cd; cd2; cd2 = cd2->baseClass) |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1252 { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1253 if (cd2->members) |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1254 { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1255 for (size_t i = 0; i < cd2->members->dim; i++) |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1256 { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1257 Dsymbol *sm = (Dsymbol *)cd2->members->data[i]; |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1258 if (VarDeclaration* vd = sm->isVarDeclaration()) // is this enough? |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1259 { |
275
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
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parents:
271
diff
changeset
|
1260 if (!vd->isDataseg()) // static members dont have an offset! |
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
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parents:
271
diff
changeset
|
1261 { |
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
lindquist
parents:
271
diff
changeset
|
1262 LLConstant* c = build_offti_entry(cd, vd); |
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
lindquist
parents:
271
diff
changeset
|
1263 assert(c); |
665b81613475
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parents:
271
diff
changeset
|
1264 arrayInits.push_back(c); |
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lindquist
parents:
271
diff
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|
1265 } |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1266 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1267 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1268 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1269 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1270 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1271 size_t ninits = arrayInits.size(); |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
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parents:
210
diff
changeset
|
1272 LLConstant* size = DtoConstSize_t(ninits); |
7816aafeea3c
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lindquist
parents:
210
diff
changeset
|
1273 LLConstant* ptr; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1274 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1275 if (ninits > 0) { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1276 // OffsetTypeInfo type |
213
7816aafeea3c
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lindquist
parents:
210
diff
changeset
|
1277 std::vector<const LLType*> elemtypes; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1278 elemtypes.push_back(DtoSize_t()); |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
parents:
210
diff
changeset
|
1279 const LLType* tiTy = getPtrToType(Type::typeinfo->type->ir.type->get()); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1280 elemtypes.push_back(tiTy); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1281 const llvm::StructType* sTy = llvm::StructType::get(elemtypes); |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1282 |
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lindquist
parents:
106
diff
changeset
|
1283 // array type |
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lindquist
parents:
106
diff
changeset
|
1284 const llvm::ArrayType* arrTy = llvm::ArrayType::get(sTy, ninits); |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
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parents:
210
diff
changeset
|
1285 LLConstant* arrInit = llvm::ConstantArray::get(arrTy, arrayInits); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1286 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1287 std::string name(cd->type->vtinfo->toChars()); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1288 name.append("__OffsetTypeInfos"); |
149
4c577c2b7229
[svn r155] Fixed a bunch of linkage problems (especially with templates)
lindquist
parents:
147
diff
changeset
|
1289 |
4c577c2b7229
[svn r155] Fixed a bunch of linkage problems (especially with templates)
lindquist
parents:
147
diff
changeset
|
1290 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(arrTy,true,DtoInternalLinkage(cd),arrInit,name,gIR->module); |
133
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parents:
132
diff
changeset
|
1291 ptr = llvm::ConstantExpr::getBitCast(gvar, getPtrToType(sTy)); |
110
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1292 } |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1293 else { |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1294 ptr = llvm::ConstantPointerNull::get(isaPointer(initTy->getElementType(1))); |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1295 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1296 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1297 return DtoConstSlice(size, ptr); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1298 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1299 |
213
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1300 static LLConstant* build_class_dtor(ClassDeclaration* cd) |
112
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1301 { |
268
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1302 FuncDeclaration* dtor = cd->dtor; |
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1303 |
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1304 // if no destructor emit a null |
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1305 if (!dtor) |
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1306 return getNullPtr(getVoidPtrType()); |
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1307 |
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1308 DtoForceDeclareDsymbol(dtor); |
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1309 return llvm::ConstantExpr::getBitCast(dtor->ir.irFunc->func, getPtrToType(LLType::Int8Ty)); |
112
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1310 } |
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1311 |
285
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1312 static unsigned build_classinfo_flags(ClassDeclaration* cd) |
112
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1313 { |
113
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1314 // adapted from original dmd code |
285
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1315 unsigned flags = 0; |
112
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1316 //flags |= isCOMclass(); // IUnknown |
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1317 bool hasOffTi = false; |
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1318 if (cd->ctor) flags |= 8; |
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1319 for (ClassDeclaration *cd2 = cd; cd2; cd2 = cd2->baseClass) |
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1320 { |
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|
1321 if (cd2->members) |
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1322 { |
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1323 for (size_t i = 0; i < cd2->members->dim; i++) |
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1324 { |
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1325 Dsymbol *sm = (Dsymbol *)cd2->members->data[i]; |
275
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1326 if (sm->isVarDeclaration() && !sm->isVarDeclaration()->isDataseg()) // is this enough? |
112
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|
1327 hasOffTi = true; |
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|
1328 //printf("sm = %s %s\n", sm->kind(), sm->toChars()); |
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|
1329 if (sm->hasPointers()) |
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|
1330 goto L2; |
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|
1331 } |
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|
1332 } |
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|
1333 } |
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1334 flags |= 2; // no pointers |
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|
1335 L2: |
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1336 if (hasOffTi) |
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|
1337 flags |= 4; |
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|
1338 return flags; |
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|
1339 } |
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1340 |
100 | 1341 void DtoDefineClassInfo(ClassDeclaration* cd) |
1342 { | |
1343 // The layout is: | |
1344 // { | |
1345 // void **vptr; | |
1346 // monitor_t monitor; | |
1347 // byte[] initializer; // static initialization data | |
1348 // char[] name; // class name | |
1349 // void *[] vtbl; | |
1350 // Interface[] interfaces; | |
1351 // ClassInfo *base; // base class | |
1352 // void *destructor; | |
1353 // void *invariant; // class invariant | |
1354 // uint flags; | |
1355 // void *deallocator; | |
1356 // OffsetTypeInfo[] offTi; | |
1357 // void *defaultConstructor; | |
1358 // } | |
1359 | |
173
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1360 if (cd->ir.irStruct->classDefined) return; |
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1361 cd->ir.irStruct->classDefined = true; |
102
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1362 |
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1363 Logger::println("DtoDefineClassInfo(%s)", cd->toChars()); |
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1364 LOG_SCOPE; |
100 | 1365 |
102
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1366 assert(cd->type->ty == Tclass); |
173
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1367 assert(cd->ir.irStruct->classInfo); |
102
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1368 |
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1369 TypeClass* cdty = (TypeClass*)cd->type; |
133
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1370 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
173
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|
1371 assert(cd->ir.irStruct->init); |
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|
1372 assert(cd->ir.irStruct->constInit); |
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|
1373 assert(cd->ir.irStruct->vtbl); |
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|
1374 assert(cd->ir.irStruct->constVtbl); |
113
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1375 } |
100 | 1376 |
1377 // holds the list of initializers for llvm | |
213
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1378 std::vector<LLConstant*> inits; |
100 | 1379 |
1380 ClassDeclaration* cinfo = ClassDeclaration::classinfo; | |
102
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|
1381 DtoForceConstInitDsymbol(cinfo); |
173
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|
1382 assert(cinfo->ir.irStruct->constInit); |
100 | 1383 |
284
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1384 // def init constant |
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1385 LLConstant* defc = cinfo->ir.irStruct->constInit; |
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|
1386 assert(defc); |
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|
1387 |
213
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1388 LLConstant* c; |
100 | 1389 |
1390 // own vtable | |
284
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1391 c = defc->getOperand(0); |
100 | 1392 assert(c); |
1393 inits.push_back(c); | |
1394 | |
1395 // monitor | |
284
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1396 c = defc->getOperand(1); |
115
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[svn r119] Added the monitor data field that comes after the vtable pointer to all classes. Represented as a void* initialized to zero.
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|
1397 inits.push_back(c); |
100 | 1398 |
102
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|
1399 // byte[] init |
244
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[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
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diff
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|
1400 const LLType* byteptrty = getPtrToType(LLType::Int8Ty); |
133
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1401 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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|
1402 c = defc->getOperand(2); |
113
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|
1403 } |
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|
1404 else { |
173
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|
1405 c = llvm::ConstantExpr::getBitCast(cd->ir.irStruct->init, byteptrty); |
292
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[svn r313] Fix class initializer size regression introduced in [305].
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|
1406 assert(!cd->ir.irStruct->constInit->getType()->isAbstract()); |
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|
1407 size_t initsz = getABITypeSize(cd->ir.irStruct->constInit->getType()); |
113
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|
1408 c = DtoConstSlice(DtoConstSize_t(initsz), c); |
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1409 } |
100 | 1410 inits.push_back(c); |
1411 | |
1412 // class name | |
1413 // from dmd | |
1414 char *name = cd->ident->toChars(); | |
1415 size_t namelen = strlen(name); | |
1416 if (!(namelen > 9 && memcmp(name, "TypeInfo_", 9) == 0)) | |
1417 { | |
1418 name = cd->toPrettyChars(); | |
1419 namelen = strlen(name); | |
1420 } | |
1421 c = DtoConstString(name); | |
1422 inits.push_back(c); | |
1423 | |
1424 // vtbl array | |
133
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|
1425 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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|
1426 c = defc->getOperand(4); |
113
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|
1427 } |
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|
1428 else { |
213
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|
1429 const LLType* byteptrptrty = getPtrToType(byteptrty); |
173
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|
1430 assert(!cd->ir.irStruct->vtbl->getType()->isAbstract()); |
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|
1431 c = llvm::ConstantExpr::getBitCast(cd->ir.irStruct->vtbl, byteptrptrty); |
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|
1432 assert(!cd->ir.irStruct->constVtbl->getType()->isAbstract()); |
199 | 1433 size_t vtblsz = 0; |
1434 llvm::ConstantArray* constVtblArray = llvm::dyn_cast<llvm::ConstantArray>(cd->ir.irStruct->constVtbl); | |
1435 if(constVtblArray) { | |
1436 vtblsz = constVtblArray->getType()->getNumElements(); | |
1437 } | |
113
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1438 c = DtoConstSlice(DtoConstSize_t(vtblsz), c); |
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1439 } |
100 | 1440 inits.push_back(c); |
1441 | |
1442 // interfaces array | |
173
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|
1443 IrStruct* irstruct = cd->ir.irStruct; |
133
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|
1444 if (cd->isInterfaceDeclaration() || !irstruct->interfaceInfos || cd->isAbstract()) { |
284
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|
1445 c = defc->getOperand(5); |
113
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|
1446 } |
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|
1447 else { |
284
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|
1448 const LLType* t = defc->getOperand(5)->getType()->getContainedType(1); |
113
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|
1449 c = llvm::ConstantExpr::getBitCast(irstruct->interfaceInfos, t); |
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|
1450 size_t iisz = irstruct->interfaceInfosTy->getNumElements(); |
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1451 c = DtoConstSlice(DtoConstSize_t(iisz), c); |
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1452 } |
100 | 1453 inits.push_back(c); |
1454 | |
1455 // base classinfo | |
133
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1456 if (cd->baseClass && !cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
102
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|
1457 DtoDeclareClassInfo(cd->baseClass); |
173
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|
1458 c = cd->baseClass->ir.irStruct->classInfo; |
102
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|
1459 assert(c); |
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|
1460 inits.push_back(c); |
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1461 } |
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|
1462 else { |
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|
1463 // null |
284
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1464 c = defc->getOperand(6); |
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1465 inits.push_back(c); |
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1466 } |
100 | 1467 |
1468 // destructor | |
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1469 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
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1470 c = defc->getOperand(7); |
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1471 } |
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1472 else { |
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1473 c = build_class_dtor(cd); |
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1474 } |
100 | 1475 inits.push_back(c); |
1476 | |
1477 // invariant | |
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1478 if (cd->inv) { |
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1479 DtoForceDeclareDsymbol(cd->inv); |
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1480 c = cd->inv->ir.irFunc->func; |
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1481 c = llvm::ConstantExpr::getBitCast(c, defc->getOperand(8)->getType()); |
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1482 } |
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1483 else { |
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1484 c = defc->getOperand(8); |
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1485 } |
100 | 1486 inits.push_back(c); |
1487 | |
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1488 // uint flags |
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1489 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
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1490 c = defc->getOperand(9); |
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1491 } |
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1492 else { |
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1493 unsigned flags = build_classinfo_flags(cd); |
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1494 c = DtoConstUint(flags); |
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1495 } |
100 | 1496 inits.push_back(c); |
1497 | |
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1498 // deallocator |
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1499 if (cd->aggDelete) { |
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1500 DtoForceDeclareDsymbol(cd->aggDelete); |
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1501 c = cd->aggDelete->ir.irFunc->func; |
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1502 c = llvm::ConstantExpr::getBitCast(c, defc->getOperand(10)->getType()); |
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1503 } |
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1504 else { |
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1505 c = defc->getOperand(10); |
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1506 } |
100 | 1507 inits.push_back(c); |
1508 | |
1509 // offset typeinfo | |
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1510 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
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1511 c = defc->getOperand(11); |
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1512 } |
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1513 else { |
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1514 c = build_offti_array(cd, defc->getOperand(11)); |
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1515 } |
100 | 1516 inits.push_back(c); |
1517 | |
1518 // default constructor | |
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1519 if (cd->defaultCtor && !cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
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1520 DtoForceDeclareDsymbol(cd->defaultCtor); |
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1521 c = isaConstant(cd->defaultCtor->ir.irFunc->func); |
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1522 const LLType* toTy = defc->getOperand(12)->getType(); |
117 | 1523 c = llvm::ConstantExpr::getBitCast(c, toTy); |
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1524 } |
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1525 else { |
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1526 c = defc->getOperand(12); |
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1527 } |
100 | 1528 inits.push_back(c); |
1529 | |
1530 /*size_t n = inits.size(); | |
1531 for (size_t i=0; i<n; ++i) | |
1532 { | |
1533 Logger::cout() << "inits[" << i << "]: " << *inits[i] << '\n'; | |
1534 }*/ | |
1535 | |
1536 // build the initializer | |
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1537 const llvm::StructType* st = isaStruct(defc->getType()); |
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1538 LLConstant* finalinit = llvm::ConstantStruct::get(st, inits); |
100 | 1539 //Logger::cout() << "built the classinfo initializer:\n" << *finalinit <<'\n'; |
1540 | |
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1541 cd->ir.irStruct->constClassInfo = finalinit; |
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1542 cd->ir.irStruct->classInfo->setInitializer(finalinit); |
100 | 1543 } |