Mercurial > projects > ldc
annotate gen/classes.cpp @ 284:70c370e97944 trunk
[svn r305] Started support for custom class allocators/deallocators. Allocators with more than one argument still need to be fixed.
Removed the LLVM stacktrace code from mars.c.
Moved the LLVM based default target detection code from mars.c to llvmhelpers.cpp.
author | lindquist |
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date | Sat, 21 Jun 2008 02:48:53 +0200 |
parents | 665b81613475 |
children | 297690b5d4a5 |
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, NULL); |
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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[] |
142
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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]); | |
83 v->toObjFile(); | |
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]); | |
150 dsym->toObjFile(); | |
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 = getPtrToType(itc->ir.vtblType->get()); |
137 | 246 fieldtypes.push_back(ivtblTy); |
247 | |
248 // fix the interface vtable type | |
193
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249 #if OPAQUE_VTBLS |
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250 iri->vtblTy = isaArray(itc->ir.vtblType->get()); |
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251 #else |
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252 iri->vtblTy = isaStruct(itc->ir.vtblType->get()); |
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253 #endif |
137 | 254 |
255 // set index | |
256 iri->index = interIdx++; | |
257 } | |
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258 Logger::println("%d interface vtables added", cd->ir.irStruct->interfaceVec.size()); |
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259 assert(cd->ir.irStruct->interfaceVec.size() == cd->ir.irStruct->interfaceMap.size()); |
137 | 260 |
261 // create type | |
100 | 262 const llvm::StructType* structtype = llvm::StructType::get(fieldtypes); |
137 | 263 |
100 | 264 // refine abstract types for stuff like: class C {C next;} |
265 assert(irstruct->recty != 0); | |
266 llvm::PATypeHolder& spa = irstruct->recty; | |
267 llvm::cast<llvm::OpaqueType>(spa.get())->refineAbstractTypeTo(structtype); | |
268 structtype = isaStruct(spa.get()); | |
269 | |
137 | 270 // make it official |
173
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271 if (!ts->ir.type) |
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272 ts->ir.type = new llvm::PATypeHolder(structtype); |
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273 else |
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274 *ts->ir.type = structtype; |
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275 spa = *ts->ir.type; |
100 | 276 |
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277 // name the type |
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278 gIR->module->addTypeName(cd->mangle(), ts->ir.type->get()); |
100 | 279 |
137 | 280 // get interface info type |
281 const llvm::StructType* infoTy = DtoInterfaceInfoType(); | |
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282 |
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283 // create vtable type |
100 | 284 llvm::GlobalVariable* svtblVar = 0; |
193
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285 #if OPAQUE_VTBLS |
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286 // void*[vtbl.dim] |
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287 const llvm::ArrayType* svtbl_ty |
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288 = llvm::ArrayType::get(getVoidPtrType(), cd->vtbl.dim); |
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289 |
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290 #else |
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291 std::vector<const LLType*> sinits_ty; |
100 | 292 |
293 for (int k=0; k < cd->vtbl.dim; k++) | |
294 { | |
295 Dsymbol* dsym = (Dsymbol*)cd->vtbl.data[k]; | |
296 assert(dsym); | |
297 //Logger::cout() << "vtblsym: " << dsym->toChars() << '\n'; | |
298 | |
299 if (FuncDeclaration* fd = dsym->isFuncDeclaration()) { | |
102
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300 DtoResolveFunction(fd); |
117 | 301 //assert(fd->type->ty == Tfunction); |
302 //TypeFunction* tf = (TypeFunction*)fd->type; | |
213
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303 //const LLType* fpty = getPtrToType(tf->ir.type->get()); |
117 | 304 const llvm::FunctionType* vfty = DtoBaseFunctionType(fd); |
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305 const LLType* vfpty = getPtrToType(vfty); |
117 | 306 sinits_ty.push_back(vfpty); |
100 | 307 } |
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308 else if (ClassDeclaration* cd2 = dsym->isClassDeclaration()) { |
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309 Logger::println("*** ClassDeclaration in vtable: %s", cd2->toChars()); |
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310 const LLType* cinfoty; |
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311 if (cd->isInterfaceDeclaration()) { |
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312 cinfoty = infoTy; |
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313 } |
137 | 314 else if (cd != ClassDeclaration::classinfo) { |
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315 cinfoty = ClassDeclaration::classinfo->type->ir.type->get(); |
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316 } |
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317 else { |
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318 // this is the ClassInfo class, the type is this type |
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319 cinfoty = ts->ir.type->get(); |
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320 } |
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321 const LLType* cty = getPtrToType(cinfoty); |
100 | 322 sinits_ty.push_back(cty); |
323 } | |
324 else | |
325 assert(0); | |
326 } | |
327 | |
193
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328 // get type |
102
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329 assert(!sinits_ty.empty()); |
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330 const llvm::StructType* svtbl_ty = llvm::StructType::get(sinits_ty); |
193
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331 #endif |
100 | 332 |
102
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333 // refine for final vtable type |
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334 llvm::cast<llvm::OpaqueType>(ts->ir.vtblType->get())->refineAbstractTypeTo(svtbl_ty); |
102
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335 |
193
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336 #if !OPAQUE_VTBLS |
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337 // name vtbl type |
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338 std::string styname(cd->mangle()); |
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339 styname.append("__vtblType"); |
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340 gIR->module->addTypeName(styname, svtbl_ty); |
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341 #endif |
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342 |
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343 // log |
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344 Logger::cout() << "final class type: " << *ts->ir.type->get() << '\n'; |
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345 |
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346 // pop state |
102
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347 gIR->classes.pop_back(); |
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348 gIR->structs.pop_back(); |
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349 |
193
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350 // queue declare |
102
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351 gIR->declareList.push_back(cd); |
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352 } |
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353 |
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354 ////////////////////////////////////////////////////////////////////////////////////////// |
100 | 355 |
102
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356 void DtoDeclareClass(ClassDeclaration* cd) |
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357 { |
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358 if (cd->ir.declared) return; |
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359 cd->ir.declared = true; |
102
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360 |
132 | 361 Logger::println("DtoDeclareClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
102
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362 LOG_SCOPE; |
100 | 363 |
102
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364 assert(cd->type->ty == Tclass); |
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365 TypeClass* ts = (TypeClass*)cd->type; |
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366 |
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367 assert(cd->ir.irStruct); |
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368 IrStruct* irstruct = cd->ir.irStruct; |
100 | 369 |
102
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370 gIR->structs.push_back(irstruct); |
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371 gIR->classes.push_back(cd); |
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372 |
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373 bool needs_definition = false; |
147
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374 if (cd->getModule() == gIR->dmodule || DtoIsTemplateInstance(cd)) { |
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375 needs_definition = true; |
100 | 376 } |
377 | |
149
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378 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(cd); |
136
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379 |
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380 // interfaces have no static initializer |
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381 // same goes for abstract classes |
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382 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
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383 // vtable |
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384 std::string varname("_D"); |
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385 varname.append(cd->mangle()); |
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386 varname.append("6__vtblZ"); |
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387 cd->ir.irStruct->vtbl = new llvm::GlobalVariable(ts->ir.vtblType->get(), true, _linkage, 0, varname, gIR->module); |
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388 } |
100 | 389 |
136
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390 // get interface info type |
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391 const llvm::StructType* infoTy = DtoInterfaceInfoType(); |
102
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392 |
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393 // interface info array |
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394 if (!cd->ir.irStruct->interfaceVec.empty()) { |
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395 // symbol name |
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396 std::string nam = "_D"; |
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397 nam.append(cd->mangle()); |
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398 nam.append("16__interfaceInfosZ"); |
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399 // resolve array type |
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400 const llvm::ArrayType* arrTy = llvm::ArrayType::get(infoTy, cd->ir.irStruct->interfaceVec.size()); |
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401 // declare global |
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402 irstruct->interfaceInfosTy = arrTy; |
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403 irstruct->interfaceInfos = new llvm::GlobalVariable(arrTy, true, _linkage, NULL, nam, gIR->module); |
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404 } |
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405 |
136
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406 // interfaces have no static initializer |
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407 // same goes for abstract classes |
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408 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
113
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409 // interface vtables |
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410 unsigned idx = 0; |
142
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411 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
113
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412 { |
142
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413 IrInterface* iri = *i; |
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414 ClassDeclaration* id = iri->decl; |
102
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415 |
113
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416 std::string nam("_D"); |
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417 nam.append(cd->mangle()); |
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418 nam.append("11__interface"); |
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419 nam.append(id->mangle()); |
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420 nam.append("6__vtblZ"); |
102
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421 |
113
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422 assert(iri->vtblTy); |
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423 iri->vtbl = new llvm::GlobalVariable(iri->vtblTy, true, _linkage, 0, nam, gIR->module); |
213
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424 LLConstant* idxs[2] = {DtoConstUint(0), DtoConstUint(idx)}; |
113
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425 iri->info = llvm::ConstantExpr::getGetElementPtr(irstruct->interfaceInfos, idxs, 2); |
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426 idx++; |
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427 } |
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428 |
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429 // init |
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430 std::string initname("_D"); |
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431 initname.append(cd->mangle()); |
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432 initname.append("6__initZ"); |
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433 |
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434 llvm::GlobalVariable* initvar = new llvm::GlobalVariable(ts->ir.type->get(), true, _linkage, NULL, initname, gIR->module); |
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435 cd->ir.irStruct->init = initvar; |
113
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436 } |
100 | 437 |
438 gIR->classes.pop_back(); | |
439 gIR->structs.pop_back(); | |
440 | |
102
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441 gIR->constInitList.push_back(cd); |
100 | 442 if (needs_definition) |
102
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443 gIR->defineList.push_back(cd); |
103
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444 |
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445 // classinfo |
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446 DtoDeclareClassInfo(cd); |
106 | 447 |
448 // typeinfo | |
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449 if (needs_definition) |
275
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450 DtoTypeInfoOf(cd->type, false); |
100 | 451 } |
452 | |
453 ////////////////////////////////////////////////////////////////////////////////////////// | |
454 | |
455 void DtoConstInitClass(ClassDeclaration* cd) | |
456 { | |
173
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457 if (cd->ir.initialized) return; |
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458 cd->ir.initialized = true; |
100 | 459 |
132 | 460 Logger::println("DtoConstInitClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
100 | 461 LOG_SCOPE; |
462 | |
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463 IrStruct* irstruct = cd->ir.irStruct; |
100 | 464 gIR->structs.push_back(irstruct); |
465 gIR->classes.push_back(cd); | |
466 | |
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467 // get the struct (class) type |
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468 assert(cd->type->ty == Tclass); |
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469 TypeClass* ts = (TypeClass*)cd->type; |
173
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470 const llvm::StructType* structtype = isaStruct(ts->ir.type->get()); |
193
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471 #if OPAQUE_VTBLS |
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472 const llvm::ArrayType* vtbltype = isaArray(ts->ir.vtblType->get()); |
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473 #else |
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474 const llvm::StructType* vtbltype = isaStruct(ts->ir.vtblType->get()); |
193
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475 #endif |
133
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476 |
100 | 477 // make sure each offset knows its default initializer |
136
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478 for (IrStruct::OffsetMap::iterator i=irstruct->offsets.begin(); i!=irstruct->offsets.end(); ++i) |
100 | 479 { |
136
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480 IrStruct::Offset* so = &i->second; |
213
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481 LLConstant* finit = DtoConstFieldInitializer(so->var->type, so->var->init); |
100 | 482 so->init = finit; |
173
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483 so->var->ir.irField->constInit = finit; |
100 | 484 } |
485 | |
486 // fill out fieldtypes/inits | |
213
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487 std::vector<LLConstant*> fieldinits; |
100 | 488 |
489 // first field is always the vtable | |
190
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490 if (cd->isAbstract() || cd->isInterfaceDeclaration()) |
133
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491 { |
213
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492 const LLType* ptrTy = getPtrToType(ts->ir.vtblType->get()); |
190
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493 fieldinits.push_back(llvm::Constant::getNullValue(ptrTy)); |
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494 } |
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495 else |
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496 { |
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497 assert(cd->ir.irStruct->vtbl != 0); |
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498 fieldinits.push_back(cd->ir.irStruct->vtbl); |
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499 } |
100 | 500 |
115
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501 // then comes monitor |
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502 fieldinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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503 |
137 | 504 // go through the field inits and build the default initializer |
505 size_t nfi = irstruct->defaultFields.size(); | |
506 for (size_t i=0; i<nfi; ++i) { | |
213
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507 LLConstant* c; |
137 | 508 if (irstruct->defaultFields[i]) { |
173
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509 c = irstruct->defaultFields[i]->ir.irField->constInit; |
137 | 510 assert(c); |
511 } | |
512 else { | |
513 const llvm::ArrayType* arrty = isaArray(structtype->getElementType(i+2)); | |
514 assert(arrty); | |
244
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515 std::vector<LLConstant*> vals(arrty->getNumElements(), llvm::ConstantInt::get(LLType::Int8Ty, 0, false)); |
137 | 516 c = llvm::ConstantArray::get(arrty, vals); |
517 } | |
518 fieldinits.push_back(c); | |
519 } | |
132 | 520 |
137 | 521 // last comes interface vtables |
136
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522 const llvm::StructType* infoTy = DtoInterfaceInfoType(); |
142
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523 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
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524 { |
142
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525 IrInterface* iri = *i; |
136
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526 iri->infoTy = infoTy; |
142
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527 |
192
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528 if (cd->isAbstract() || cd->isInterfaceDeclaration()) |
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529 { |
137 | 530 fieldinits.push_back(llvm::Constant::getNullValue(structtype->getElementType(iri->index))); |
133
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531 } |
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532 else |
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533 { |
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534 assert(iri->vtbl); |
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535 fieldinits.push_back(iri->vtbl); |
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536 } |
113
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537 } |
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538 |
100 | 539 // generate initializer |
113
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540 #if 0 |
137 | 541 //Logger::cout() << cd->toPrettyChars() << " | " << *structtype << '\n'; |
542 assert(fieldinits.size() == structtype->getNumElements()); | |
102
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543 for(size_t i=0; i<structtype->getNumElements(); ++i) { |
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544 Logger::cout() << "s#" << i << " = " << *structtype->getElementType(i) << '\n'; |
137 | 545 Logger::cout() << "i#" << i << " = " << *fieldinits[i] << '\n'; |
546 assert(fieldinits[i]->getType() == structtype->getElementType(i)); | |
102
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547 } |
137 | 548 #endif |
102
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549 |
137 | 550 #if 0 |
102
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551 for(size_t i=0; i<fieldinits.size(); ++i) { |
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552 Logger::cout() << "i#" << i << " = " << *fieldinits[i]->getType() << '\n'; |
113
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553 } |
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554 #endif |
102
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555 |
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556 LLConstant* _init = llvm::ConstantStruct::get(structtype, fieldinits); |
100 | 557 assert(_init); |
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558 cd->ir.irStruct->constInit = _init; |
100 | 559 |
133
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560 // abstract classes have no static vtable |
137 | 561 // neither do interfaces (on their own, the implementing class supplies the vtable) |
562 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) | |
133
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563 { |
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564 // generate vtable initializer |
213
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565 std::vector<LLConstant*> sinits; |
102
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566 |
133
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567 for (int k=0; k < cd->vtbl.dim; k++) |
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568 { |
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569 Dsymbol* dsym = (Dsymbol*)cd->vtbl.data[k]; |
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570 assert(dsym); |
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571 //Logger::cout() << "vtblsym: " << dsym->toChars() << '\n'; |
102
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572 |
193
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573 #if OPAQUE_VTBLS |
213
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574 const LLType* targetTy = getVoidPtrType(); |
193
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575 #else |
213
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576 const LLType* targetTy = vtbltype->getElementType(k); |
193
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577 #endif |
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578 |
213
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579 LLConstant* c = NULL; |
193
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580 // virtual method |
133
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581 if (FuncDeclaration* fd = dsym->isFuncDeclaration()) { |
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582 DtoForceDeclareDsymbol(fd); |
173
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583 assert(fd->ir.irFunc->func); |
193
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584 c = llvm::cast<llvm::Constant>(fd->ir.irFunc->func); |
133
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585 } |
193
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586 // classinfo |
133
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587 else if (ClassDeclaration* cd2 = dsym->isClassDeclaration()) { |
173
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588 assert(cd->ir.irStruct->classInfo); |
193
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589 c = cd->ir.irStruct->classInfo; |
133
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590 } |
193
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|
591 assert(c != NULL); |
102
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diff
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|
592 |
193
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593 // cast if necessary (overridden method) |
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594 if (c->getType() != targetTy) |
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595 c = llvm::ConstantExpr::getBitCast(c, targetTy); |
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596 sinits.push_back(c); |
113
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597 } |
193
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598 #if OPAQUE_VTBLS |
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599 const llvm::ArrayType* svtbl_ty = isaArray(ts->ir.vtblType->get()); |
199 | 600 cd->ir.irStruct->constVtbl = llvm::ConstantArray::get(svtbl_ty, sinits); |
193
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|
601 #else |
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602 const llvm::StructType* svtbl_ty = isaStruct(ts->ir.vtblType->get()); |
213
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603 LLConstant* cvtblInit = llvm::ConstantStruct::get(svtbl_ty, sinits); |
173
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|
604 cd->ir.irStruct->constVtbl = llvm::cast<llvm::ConstantStruct>(cvtblInit); |
193
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605 #endif |
133
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606 |
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|
607 // create interface vtable const initalizers |
142
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608 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
133
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609 { |
142
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610 IrInterface* iri = *i; |
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611 BaseClass* b = iri->base; |
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612 |
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613 ClassDeclaration* id = iri->decl; |
133
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614 assert(id->type->ty == Tclass); |
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615 TypeClass* its = (TypeClass*)id->type; |
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616 |
193
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617 #if OPAQUE_VTBLS |
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618 const llvm::ArrayType* ivtbl_ty = isaArray(its->ir.vtblType->get()); |
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619 #else |
173
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620 const llvm::StructType* ivtbl_ty = isaStruct(its->ir.vtblType->get()); |
193
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621 #endif |
133
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622 |
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623 // generate interface info initializer |
213
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624 std::vector<LLConstant*> infoInits; |
136
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625 |
133
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626 // classinfo |
173
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627 assert(id->ir.irStruct->classInfo); |
213
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628 LLConstant* c = id->ir.irStruct->classInfo; |
133
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629 infoInits.push_back(c); |
136
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630 |
133
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631 // vtbl |
244
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|
632 const LLType* byteptrptrty = getPtrToType(getPtrToType(LLType::Int8Ty)); |
133
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633 c = llvm::ConstantExpr::getBitCast(iri->vtbl, byteptrptrty); |
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634 c = DtoConstSlice(DtoConstSize_t(b->vtbl.dim), c); |
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635 infoInits.push_back(c); |
136
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636 |
133
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|
637 // offset |
137 | 638 assert(iri->index >= 0); |
173
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639 size_t ioff = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(iri->index); |
137 | 640 infoInits.push_back(DtoConstUint(ioff)); |
136
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641 |
133
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642 // create interface info initializer constant |
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643 iri->infoInit = llvm::cast<llvm::ConstantStruct>(llvm::ConstantStruct::get(iri->infoTy, infoInits)); |
113
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644 |
133
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645 // generate vtable initializer |
213
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646 std::vector<LLConstant*> iinits; |
133
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647 |
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648 // add interface info |
193
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649 #if OPAQUE_VTBLS |
213
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650 const LLType* targetTy = getVoidPtrType(); |
193
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651 iinits.push_back(llvm::ConstantExpr::getBitCast(iri->info, targetTy)); |
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652 #else |
133
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653 iinits.push_back(iri->info); |
193
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654 #endif |
133
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655 |
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656 for (int k=1; k < b->vtbl.dim; k++) |
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657 { |
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658 Logger::println("interface vtbl const init nr. %d", k); |
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659 Dsymbol* dsym = (Dsymbol*)b->vtbl.data[k]; |
137 | 660 assert(dsym); |
133
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661 FuncDeclaration* fd = dsym->isFuncDeclaration(); |
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662 assert(fd); |
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663 DtoForceDeclareDsymbol(fd); |
173
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664 assert(fd->ir.irFunc->func); |
213
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665 LLConstant* c = llvm::cast<llvm::Constant>(fd->ir.irFunc->func); |
136
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666 |
193
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667 #if !OPAQUE_VTBLS |
213
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668 const LLType* targetTy = iri->vtblTy->getContainedType(k); |
193
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669 #endif |
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670 |
133
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671 // we have to bitcast, as the type created in ResolveClass expects a different this type |
193
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672 c = llvm::ConstantExpr::getBitCast(c, targetTy); |
133
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673 iinits.push_back(c); |
193
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674 Logger::cout() << "c: " << *c << '\n'; |
133
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675 } |
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676 |
193
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677 #if OPAQUE_VTBLS |
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678 Logger::cout() << "n: " << iinits.size() << " ivtbl_ty: " << *ivtbl_ty << '\n'; |
213
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679 LLConstant* civtblInit = llvm::ConstantArray::get(ivtbl_ty, iinits); |
193
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680 iri->vtblInit = llvm::cast<llvm::ConstantArray>(civtblInit); |
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681 #else |
213
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682 LLConstant* civtblInit = llvm::ConstantStruct::get(ivtbl_ty, iinits); |
133
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683 iri->vtblInit = llvm::cast<llvm::ConstantStruct>(civtblInit); |
193
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684 #endif |
133
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685 } |
136
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686 } |
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687 // we always generate interfaceinfos as best we can |
177
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688 else |
136
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689 { |
177
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690 // TODO: this is duplicated code from right above... I'm just too lazy to generalise it right now :/ |
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691 // create interface vtable const initalizers |
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692 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
136
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693 { |
177
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694 IrInterface* iri = *i; |
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695 BaseClass* b = iri->base; |
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696 |
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697 ClassDeclaration* id = iri->decl; |
136
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698 assert(id->type->ty == Tclass); |
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699 TypeClass* its = (TypeClass*)id->type; |
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700 |
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701 // generate interface info initializer |
213
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702 std::vector<LLConstant*> infoInits; |
136
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703 |
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704 // classinfo |
173
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705 assert(id->ir.irStruct->classInfo); |
213
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706 LLConstant* c = id->ir.irStruct->classInfo; |
136
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707 infoInits.push_back(c); |
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708 |
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709 // vtbl |
244
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710 const LLType* byteptrptrty = getPtrToType(getPtrToType(LLType::Int8Ty)); |
136
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711 c = DtoConstSlice(DtoConstSize_t(0), getNullPtr(byteptrptrty)); |
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712 infoInits.push_back(c); |
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713 |
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714 // offset |
177
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715 assert(iri->index >= 0); |
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716 size_t ioff = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(iri->index); |
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717 infoInits.push_back(DtoConstUint(ioff)); |
136
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718 |
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719 // create interface info initializer constant |
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720 iri->infoInit = llvm::cast<llvm::ConstantStruct>(llvm::ConstantStruct::get(iri->infoTy, infoInits)); |
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721 } |
177
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722 } |
113
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723 |
100 | 724 gIR->classes.pop_back(); |
725 gIR->structs.pop_back(); | |
726 } | |
727 | |
728 ////////////////////////////////////////////////////////////////////////////////////////// | |
729 | |
730 void DtoDefineClass(ClassDeclaration* cd) | |
731 { | |
173
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732 if (cd->ir.defined) return; |
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733 cd->ir.defined = true; |
100 | 734 |
132 | 735 Logger::println("DtoDefineClass(%s): %s", cd->toPrettyChars(), cd->loc.toChars()); |
100 | 736 LOG_SCOPE; |
737 | |
738 // get the struct (class) type | |
739 assert(cd->type->ty == Tclass); | |
740 TypeClass* ts = (TypeClass*)cd->type; | |
741 | |
147
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742 if (cd->getModule() == gIR->dmodule || DtoIsTemplateInstance(cd)) { |
177
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743 |
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744 // interfaces don't have static initializer/vtable |
133
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745 // neither do abstract classes |
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746 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) |
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747 { |
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748 cd->ir.irStruct->init->setInitializer(cd->ir.irStruct->constInit); |
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749 cd->ir.irStruct->vtbl->setInitializer(cd->ir.irStruct->constVtbl); |
113
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|
750 |
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|
751 // initialize interface vtables |
173
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|
752 IrStruct* irstruct = cd->ir.irStruct; |
142
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|
753 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
113
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754 { |
142
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|
755 IrInterface* iri = *i; |
113
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|
756 iri->vtbl->setInitializer(iri->vtblInit); |
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757 } |
177
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758 } |
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|
759 |
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|
760 // always do interface info array when possible |
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761 IrStruct* irstruct = cd->ir.irStruct; |
213
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762 std::vector<LLConstant*> infoInits; |
177
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763 for (IrStruct::InterfaceVectorIter i=irstruct->interfaceVec.begin(); i!=irstruct->interfaceVec.end(); ++i) |
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|
764 { |
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|
765 IrInterface* iri = *i; |
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766 infoInits.push_back(iri->infoInit); |
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767 } |
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768 // set initializer |
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769 if (!infoInits.empty()) |
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770 { |
213
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771 LLConstant* arrInit = llvm::ConstantArray::get(irstruct->interfaceInfosTy, infoInits); |
177
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772 irstruct->interfaceInfos->setInitializer(arrInit); |
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|
773 } |
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|
774 else |
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|
775 { |
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|
776 assert(irstruct->interfaceInfos == NULL); |
113
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diff
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|
777 } |
123
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lindquist
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121
diff
changeset
|
778 |
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|
779 // generate classinfo |
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diff
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|
780 DtoDefineClassInfo(cd); |
100 | 781 } |
782 } | |
783 | |
784 ////////////////////////////////////////////////////////////////////////////////////////// | |
785 | |
133
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786 DValue* DtoNewClass(TypeClass* tc, NewExp* newexp) |
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787 { |
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|
788 // resolve type |
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789 DtoForceDeclareDsymbol(tc->sym); |
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|
790 |
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|
791 // allocate |
213
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792 LLValue* mem; |
133
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793 if (newexp->onstack) |
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|
794 { |
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|
795 mem = new llvm::AllocaInst(DtoType(tc)->getContainedType(0), "newclass_alloca", gIR->topallocapoint()); |
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796 } |
284
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797 // custom allocator |
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798 else if (newexp->allocator) |
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799 { |
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800 DtoForceDeclareDsymbol(newexp->allocator); |
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801 assert(newexp->newargs); |
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802 assert(newexp->newargs->dim == 1); |
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|
803 |
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|
804 llvm::Function* fn = newexp->allocator->ir.irFunc->func; |
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805 assert(fn); |
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806 DValue* arg = ((Expression*)newexp->newargs->data[0])->toElem(gIR); |
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807 mem = gIR->ir->CreateCall(fn, arg->getRVal(), "newclass_custom_alloc"); |
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|
808 mem = DtoBitCast(mem, DtoType(tc), "newclass_custom"); |
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|
809 } |
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|
810 // default allocator |
133
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811 else |
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812 { |
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|
813 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_newclass"); |
217
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814 mem = gIR->ir->CreateCall(fn, tc->sym->ir.irStruct->classInfo, "newclass_gc_alloc"); |
133
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815 mem = DtoBitCast(mem, DtoType(tc), "newclass_gc"); |
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816 } |
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817 |
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818 // init |
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819 DtoInitClass(tc, mem); |
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820 |
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821 // init inner-class outer reference |
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822 if (newexp->thisexp) |
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823 { |
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824 Logger::println("Resolving outer class"); |
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825 LOG_SCOPE; |
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826 DValue* thisval = newexp->thisexp->toElem(gIR); |
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827 size_t idx = 2 + tc->sym->vthis->ir.irField->index; |
213
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828 LLValue* src = thisval->getRVal(); |
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829 LLValue* dst = DtoGEPi(mem,0,idx,"tmp"); |
133
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830 Logger::cout() << "dst: " << *dst << "\nsrc: " << *src << '\n'; |
169
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831 DtoStore(src, dst); |
133
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832 } |
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833 // set the context for nested classes |
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834 else if (tc->sym->isNested()) |
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835 { |
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836 Logger::println("Resolving nested context"); |
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837 LOG_SCOPE; |
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838 size_t idx = 2; |
173
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839 //idx += tc->sym->ir.irStruct->interfaces.size(); |
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840 LLValue* nest = gIR->func()->decl->ir.irFunc->nestedVar; |
133
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841 if (!nest) |
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842 nest = gIR->func()->decl->ir.irFunc->thisVar; |
133
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843 assert(nest); |
213
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844 LLValue* gep = DtoGEPi(mem,0,idx,"tmp"); |
133
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845 nest = DtoBitCast(nest, gep->getType()->getContainedType(0)); |
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846 DtoStore(nest, gep); |
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847 } |
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848 |
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849 // call constructor |
160 | 850 if (newexp->member) |
851 { | |
852 assert(newexp->arguments != NULL); | |
133
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853 return DtoCallClassCtor(tc, newexp->member, newexp->arguments, mem); |
160 | 854 } |
133
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855 |
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856 // return default constructed class |
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857 return new DImValue(tc, mem, false); |
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858 } |
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859 |
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860 ////////////////////////////////////////////////////////////////////////////////////////// |
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861 |
213
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862 void DtoInitClass(TypeClass* tc, LLValue* dst) |
133
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863 { |
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864 size_t presz = 2*getABITypeSize(DtoSize_t()); |
173
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865 uint64_t n = getABITypeSize(tc->ir.type->get()) - presz; |
133
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866 |
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867 // set vtable field seperately, this might give better optimization |
173
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868 assert(tc->sym->ir.irStruct->vtbl); |
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869 DtoStore(tc->sym->ir.irStruct->vtbl, DtoGEPi(dst,0,0,"vtbl")); |
133
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870 |
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871 // monitor always defaults to zero |
213
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872 LLValue* tmp = DtoGEPi(dst,0,1,"monitor"); |
133
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873 DtoStore(llvm::Constant::getNullValue(tmp->getType()->getContainedType(0)), tmp); |
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874 |
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875 // done? |
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876 if (n == 0) |
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877 return; |
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878 |
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879 // copy the rest from the static initializer |
173
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880 assert(tc->sym->ir.irStruct->init); |
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881 assert(dst->getType() == tc->sym->ir.irStruct->init->getType()); |
133
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882 |
213
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883 LLValue* dstarr = DtoGEPi(dst,0,2,"tmp"); |
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884 LLValue* srcarr = DtoGEPi(tc->sym->ir.irStruct->init,0,2,"tmp"); |
133
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885 |
244
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886 DtoMemCpy(dstarr, srcarr, DtoConstSize_t(n)); |
133
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887 } |
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888 |
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889 ////////////////////////////////////////////////////////////////////////////////////////// |
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890 |
213
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891 DValue* DtoCallClassCtor(TypeClass* type, CtorDeclaration* ctor, Array* arguments, LLValue* mem) |
133
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892 { |
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893 Logger::println("Calling constructor"); |
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894 LOG_SCOPE; |
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895 |
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896 assert(ctor); |
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897 DtoForceDeclareDsymbol(ctor); |
173
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898 llvm::Function* fn = ctor->ir.irFunc->func; |
133
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899 TypeFunction* tf = (TypeFunction*)DtoDType(ctor->type); |
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900 |
217
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901 llvm::PAListPtr palist; |
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902 |
213
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903 std::vector<LLValue*> ctorargs; |
133
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904 ctorargs.push_back(mem); |
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905 for (size_t i=0; i<arguments->dim; ++i) |
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906 { |
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907 Expression* ex = (Expression*)arguments->data[i]; |
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908 Argument* fnarg = Argument::getNth(tf->parameters, i); |
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909 DValue* argval = DtoArgument(fnarg, ex); |
213
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910 LLValue* a = argval->getRVal(); |
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911 const LLType* aty = fn->getFunctionType()->getParamType(i+1); |
133
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912 if (a->getType() != aty) |
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913 a = DtoBitCast(a, aty); |
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914 ctorargs.push_back(a); |
217
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915 if (fnarg && fnarg->llvmByVal) |
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916 palist = palist.addAttr(i+2, llvm::ParamAttr::ByVal); // return,this is 2 |
133
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917 } |
205
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918 llvm::CallInst* call = llvm::CallInst::Create(fn, ctorargs.begin(), ctorargs.end(), "tmp", gIR->scopebb()); |
133
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919 call->setCallingConv(DtoCallingConv(LINKd)); |
217
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920 call->setParamAttrs(palist); |
133
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921 |
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922 return new DImValue(type, call, false); |
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923 } |
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924 |
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925 ////////////////////////////////////////////////////////////////////////////////////////// |
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926 |
213
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927 void DtoFinalizeClass(LLValue* inst) |
209
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928 { |
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929 // get runtime function |
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930 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_callfinalizer"); |
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931 // build args |
213
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932 LLSmallVector<LLValue*,1> arg; |
209
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933 arg.push_back(DtoBitCast(inst, fn->getFunctionType()->getParamType(0), ".tmp")); |
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934 // call |
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935 llvm::CallInst::Create(fn, arg.begin(), arg.end(), "", gIR->scopebb()); |
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936 } |
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937 |
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938 ////////////////////////////////////////////////////////////////////////////////////////// |
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939 |
114 | 940 DValue* DtoCastClass(DValue* val, Type* _to) |
941 { | |
138 | 942 Logger::println("DtoCastClass(%s, %s)", val->getType()->toChars(), _to->toChars()); |
943 LOG_SCOPE; | |
944 | |
114 | 945 Type* to = DtoDType(_to); |
946 if (to->ty == Tpointer) { | |
213
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947 const LLType* tolltype = DtoType(_to); |
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948 LLValue* rval = DtoBitCast(val->getRVal(), tolltype); |
114 | 949 return new DImValue(_to, rval); |
950 } | |
951 | |
952 assert(to->ty == Tclass); | |
953 TypeClass* tc = (TypeClass*)to; | |
954 | |
955 Type* from = DtoDType(val->getType()); | |
956 TypeClass* fc = (TypeClass*)from; | |
957 | |
958 if (tc->sym->isInterfaceDeclaration()) { | |
138 | 959 Logger::println("to interface"); |
133
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960 if (fc->sym->isInterfaceDeclaration()) { |
138 | 961 Logger::println("from interface"); |
133
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962 return DtoDynamicCastInterface(val, _to); |
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963 } |
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964 else { |
138 | 965 Logger::println("from object"); |
133
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966 return DtoDynamicCastObject(val, _to); |
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967 } |
114 | 968 } |
969 else { | |
138 | 970 Logger::println("to object"); |
114 | 971 int poffset; |
972 if (fc->sym->isInterfaceDeclaration()) { | |
138 | 973 Logger::println("interface cast"); |
114 | 974 return DtoCastInterfaceToObject(val, _to); |
975 } | |
138 | 976 else if (!tc->sym->isInterfaceDeclaration() && tc->sym->isBaseOf(fc->sym,NULL)) { |
977 Logger::println("static down cast)"); | |
213
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978 const LLType* tolltype = DtoType(_to); |
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979 LLValue* rval = DtoBitCast(val->getRVal(), tolltype); |
114 | 980 return new DImValue(_to, rval); |
981 } | |
982 else { | |
138 | 983 Logger::println("dynamic up cast"); |
114 | 984 return DtoDynamicCastObject(val, _to); |
985 } | |
986 } | |
987 } | |
988 | |
989 ////////////////////////////////////////////////////////////////////////////////////////// | |
990 | |
991 DValue* DtoDynamicCastObject(DValue* val, Type* _to) | |
113
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992 { |
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993 // call: |
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994 // Object _d_dynamic_cast(Object o, ClassInfo c) |
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995 |
114 | 996 DtoForceDeclareDsymbol(ClassDeclaration::object); |
997 DtoForceDeclareDsymbol(ClassDeclaration::classinfo); | |
998 | |
113
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999 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_dynamic_cast"); |
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1000 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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1001 |
213
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1002 std::vector<LLValue*> args; |
113
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1003 |
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1004 // Object o |
217
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1005 LLValue* obj = val->getRVal(); |
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1006 obj = DtoBitCast(obj, funcTy->getParamType(0)); |
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1007 assert(funcTy->getParamType(0) == obj->getType()); |
113
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1008 |
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1009 // ClassInfo c |
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1010 TypeClass* to = (TypeClass*)DtoDType(_to); |
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1011 DtoForceDeclareDsymbol(to->sym); |
173
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1012 assert(to->sym->ir.irStruct->classInfo); |
217
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1013 LLValue* cinfo = to->sym->ir.irStruct->classInfo; |
114 | 1014 // unfortunately this is needed as the implementation of object differs somehow from the declaration |
1015 // this could happen in user code as well :/ | |
217
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1016 cinfo = DtoBitCast(cinfo, funcTy->getParamType(1)); |
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1017 assert(funcTy->getParamType(1) == cinfo->getType()); |
113
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1018 |
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1019 // call it |
217
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1020 LLValue* ret = gIR->ir->CreateCall2(func, obj, cinfo, "tmp"); |
114 | 1021 |
1022 // cast return value | |
113
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1023 ret = DtoBitCast(ret, DtoType(_to)); |
114 | 1024 |
113
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1025 return new DImValue(_to, ret); |
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1026 } |
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1027 |
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1028 ////////////////////////////////////////////////////////////////////////////////////////// |
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1029 |
114 | 1030 DValue* DtoCastInterfaceToObject(DValue* val, Type* to) |
113
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1031 { |
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1032 // call: |
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1033 // Object _d_toObject(void* p) |
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1034 |
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1035 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_toObject"); |
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1036 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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1037 |
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1038 // void* p |
213
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1039 LLValue* tmp = val->getRVal(); |
113
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1040 tmp = DtoBitCast(tmp, funcTy->getParamType(0)); |
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1041 |
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1042 // call it |
213
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1043 LLValue* ret = gIR->ir->CreateCall(func, tmp, "tmp"); |
114 | 1044 |
1045 // cast return value | |
1046 if (to != NULL) | |
1047 ret = DtoBitCast(ret, DtoType(to)); | |
1048 else | |
1049 to = ClassDeclaration::object->type; | |
1050 | |
1051 return new DImValue(to, ret); | |
113
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1052 } |
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1053 |
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1054 ////////////////////////////////////////////////////////////////////////////////////////// |
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1055 |
133
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1056 DValue* DtoDynamicCastInterface(DValue* val, Type* _to) |
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1057 { |
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1058 // call: |
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1059 // Object _d_interface_cast(void* p, ClassInfo c) |
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1060 |
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1061 DtoForceDeclareDsymbol(ClassDeclaration::object); |
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1062 DtoForceDeclareDsymbol(ClassDeclaration::classinfo); |
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1063 |
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1064 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_d_interface_cast"); |
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1065 const llvm::FunctionType* funcTy = func->getFunctionType(); |
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1066 |
213
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1067 std::vector<LLValue*> args; |
133
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1068 |
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1069 // void* p |
217
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1070 LLValue* ptr = val->getRVal(); |
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1071 ptr = DtoBitCast(ptr, funcTy->getParamType(0)); |
133
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1072 |
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1073 // ClassInfo c |
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1074 TypeClass* to = (TypeClass*)DtoDType(_to); |
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1075 DtoForceDeclareDsymbol(to->sym); |
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1076 assert(to->sym->ir.irStruct->classInfo); |
217
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1077 LLValue* cinfo = to->sym->ir.irStruct->classInfo; |
133
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1078 // unfortunately this is needed as the implementation of object differs somehow from the declaration |
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1079 // this could happen in user code as well :/ |
217
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1080 cinfo = DtoBitCast(cinfo, funcTy->getParamType(1)); |
133
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1081 |
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1082 // call it |
217
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1083 LLValue* ret = gIR->ir->CreateCall2(func, ptr, cinfo, "tmp"); |
133
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1084 |
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1085 // cast return value |
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1086 ret = DtoBitCast(ret, DtoType(_to)); |
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1087 |
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1088 return new DImValue(_to, ret); |
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1089 } |
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1090 |
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1091 ////////////////////////////////////////////////////////////////////////////////////////// |
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1092 |
132 | 1093 static unsigned LLVM_ClassOffsetToIndex(ClassDeclaration* cd, unsigned os, unsigned& idx) |
1094 { | |
1095 // start at the bottom of the inheritance chain | |
1096 if (cd->baseClass != 0) { | |
1097 unsigned o = LLVM_ClassOffsetToIndex(cd->baseClass, os, idx); | |
1098 if (o != (unsigned)-1) | |
1099 return o; | |
1100 } | |
1101 | |
1102 // check this class | |
1103 unsigned i; | |
1104 for (i=0; i<cd->fields.dim; ++i) { | |
1105 VarDeclaration* vd = (VarDeclaration*)cd->fields.data[i]; | |
1106 if (os == vd->offset) | |
1107 return i+idx; | |
1108 } | |
1109 idx += i; | |
1110 | |
1111 return (unsigned)-1; | |
1112 } | |
1113 | |
1114 ////////////////////////////////////////////////////////////////////////////////////////// | |
1115 | |
1116 void ClassDeclaration::offsetToIndex(Type* t, unsigned os, std::vector<unsigned>& result) | |
1117 { | |
1118 unsigned idx = 0; | |
1119 unsigned r = LLVM_ClassOffsetToIndex(this, os, idx); | |
1120 assert(r != (unsigned)-1 && "Offset not found in any aggregate field"); | |
1121 // vtable is 0, monitor is 1 | |
1122 r += 2; | |
1123 // interface offset further | |
142
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1124 //r += vtblInterfaces->dim; |
132 | 1125 // the final index was not pushed |
1126 result.push_back(r); | |
1127 } | |
1128 | |
1129 ////////////////////////////////////////////////////////////////////////////////////////// | |
1130 | |
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1131 LLValue* DtoIndexClass(LLValue* ptr, ClassDeclaration* cd, Type* t, unsigned os, DStructIndexVector& idxs) |
132 | 1132 { |
1133 Logger::println("checking for offset %u type %s:", os, t->toChars()); | |
1134 LOG_SCOPE; | |
1135 | |
1136 if (idxs.empty()) | |
1137 idxs.push_back(0); | |
1138 | |
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1139 const LLType* st = DtoType(cd->type); |
132 | 1140 if (ptr->getType() != st) { |
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1141 //assert(cd->ir.irStruct->hasUnions); |
132 | 1142 ptr = gIR->ir->CreateBitCast(ptr, st, "tmp"); |
1143 } | |
1144 | |
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1145 const LLType* llt = getPtrToType(DtoType(t)); |
137 | 1146 unsigned dataoffset = 2; |
132 | 1147 |
173
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1148 IrStruct* irstruct = cd->ir.irStruct; |
136
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1149 for (IrStruct::OffsetMap::iterator i=irstruct->offsets.begin(); i!=irstruct->offsets.end(); ++i) { |
132 | 1150 //for (unsigned i=0; i<cd->fields.dim; ++i) { |
1151 //VarDeclaration* vd = (VarDeclaration*)cd->fields.data[i]; | |
1152 VarDeclaration* vd = i->second.var; | |
1153 assert(vd); | |
1154 Type* vdtype = DtoDType(vd->type); | |
169
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1155 //Logger::println("found %u type %s", vd->offset, vdtype->toChars()); |
173
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1156 assert(vd->ir.irField->index >= 0); |
201 | 1157 if (os == vd->offset && vdtype->toBasetype() == t->toBasetype()) { |
169
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1158 Logger::println("found %s %s", vdtype->toChars(), vd->toChars()); |
173
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1159 idxs.push_back(vd->ir.irField->index + dataoffset); |
169
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1160 //Logger::cout() << "indexing: " << *ptr << '\n'; |
217
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1161 ptr = DtoGEPi(ptr, idxs, "tmp"); |
132 | 1162 if (ptr->getType() != llt) |
1163 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
169
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1164 //Logger::cout() << "indexing: " << *ptr << '\n'; |
173
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1165 if (vd->ir.irField->indexOffset) |
205
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1166 ptr = llvm::GetElementPtrInst::Create(ptr, DtoConstUint(vd->ir.irField->indexOffset), "tmp", gIR->scopebb()); |
169
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1167 //Logger::cout() << "indexing: " << *ptr << '\n'; |
132 | 1168 return ptr; |
1169 } | |
1170 else if (vdtype->ty == Tstruct && (vd->offset + vdtype->size()) > os) { | |
1171 TypeStruct* ts = (TypeStruct*)vdtype; | |
1172 StructDeclaration* ssd = ts->sym; | |
173
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1173 idxs.push_back(vd->ir.irField->index + dataoffset); |
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1174 if (vd->ir.irField->indexOffset) { |
132 | 1175 Logger::println("has union field offset"); |
217
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1176 ptr = DtoGEPi(ptr, idxs, "tmp"); |
132 | 1177 if (ptr->getType() != llt) |
1178 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
205
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1179 ptr = llvm::GetElementPtrInst::Create(ptr, DtoConstUint(vd->ir.irField->indexOffset), "tmp", gIR->scopebb()); |
217
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1180 DStructIndexVector tmp; |
132 | 1181 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, tmp); |
1182 } | |
1183 else { | |
213
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1184 const LLType* sty = getPtrToType(DtoType(vd->type)); |
132 | 1185 if (ptr->getType() != sty) { |
1186 ptr = gIR->ir->CreateBitCast(ptr, sty, "tmp"); | |
217
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1187 DStructIndexVector tmp; |
132 | 1188 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, tmp); |
1189 } | |
1190 else { | |
1191 return DtoIndexStruct(ptr, ssd, t, os-vd->offset, idxs); | |
1192 } | |
1193 } | |
1194 } | |
1195 } | |
1196 | |
1197 assert(0); | |
1198 | |
133
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1199 size_t llt_sz = getABITypeSize(llt->getContainedType(0)); |
132 | 1200 assert(os % llt_sz == 0); |
1201 ptr = gIR->ir->CreateBitCast(ptr, llt, "tmp"); | |
205
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1202 return llvm::GetElementPtrInst::Create(ptr, DtoConstUint(os / llt_sz), "tmp", gIR->scopebb()); |
132 | 1203 } |
1204 | |
1205 ////////////////////////////////////////////////////////////////////////////////////////// | |
1206 | |
213
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1207 LLValue* DtoVirtualFunctionPointer(DValue* inst, FuncDeclaration* fdecl) |
133
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1208 { |
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1209 assert(fdecl->isVirtual());//fdecl->isAbstract() || (!fdecl->isFinal() && fdecl->isVirtual())); |
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1210 assert(fdecl->vtblIndex > 0); |
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1211 assert(DtoDType(inst->getType())->ty == Tclass); |
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1212 |
213
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1213 LLValue* vthis = inst->getRVal(); |
193
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|
1214 Logger::cout() << "vthis: " << *vthis << '\n'; |
133
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1215 |
213
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1216 LLValue* funcval; |
133
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|
1217 funcval = DtoGEPi(vthis, 0, 0, "tmp"); |
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|
1218 funcval = DtoLoad(funcval); |
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1219 funcval = DtoGEPi(funcval, 0, fdecl->vtblIndex, fdecl->toPrettyChars()); |
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1220 funcval = DtoLoad(funcval); |
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1221 |
193
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1222 Logger::cout() << "funcval: " << *funcval << '\n'; |
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1223 |
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|
1224 #if OPAQUE_VTBLS |
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|
1225 funcval = DtoBitCast(funcval, getPtrToType(DtoType(fdecl->type))); |
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|
1226 Logger::cout() << "funcval casted: " << *funcval << '\n'; |
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|
1227 #endif |
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|
1228 |
133
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diff
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|
1229 //assert(funcval->getType() == DtoType(fdecl->type)); |
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|
1230 //cc = DtoCallingConv(fdecl->linkage); |
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|
1231 |
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1232 return funcval; |
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|
1233 } |
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|
1234 |
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1235 ////////////////////////////////////////////////////////////////////////////////////////// |
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1236 |
100 | 1237 void DtoDeclareClassInfo(ClassDeclaration* cd) |
1238 { | |
173
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1239 if (cd->ir.irStruct->classDeclared) return; |
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[svn r189] moving IR data back into DMD frontend nodes
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|
1240 cd->ir.irStruct->classDeclared = true; |
100 | 1241 |
102
027b8d8b71ec
[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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|
1242 Logger::println("DtoDeclareClassInfo(%s)", cd->toChars()); |
100 | 1243 LOG_SCOPE; |
1244 | |
1245 ClassDeclaration* cinfo = ClassDeclaration::classinfo; | |
102
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diff
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|
1246 DtoResolveClass(cinfo); |
100 | 1247 |
1248 std::string gname("_D"); | |
1249 gname.append(cd->mangle()); | |
113
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[svn r117] Initial working implementation of interfaces.
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diff
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|
1250 if (!cd->isInterfaceDeclaration()) |
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diff
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|
1251 gname.append("7__ClassZ"); |
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diff
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|
1252 else |
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[svn r117] Initial working implementation of interfaces.
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diff
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|
1253 gname.append("11__InterfaceZ"); |
100 | 1254 |
213
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|
1255 const LLType* st = cinfo->type->ir.type->get(); |
102
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|
1256 |
173
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|
1257 cd->ir.irStruct->classInfo = new llvm::GlobalVariable(st, true, DtoLinkage(cd), NULL, gname, gIR->module); |
100 | 1258 } |
1259 | |
271
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[svn r292] Fixed: string switch was broken in several ways.
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|
1260 static LLConstant* build_offti_entry(ClassDeclaration* cd, VarDeclaration* vd) |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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|
1261 { |
213
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|
1262 std::vector<const LLType*> types; |
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|
1263 std::vector<LLConstant*> inits; |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
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|
1264 |
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[svn r114] Implemented the ClassInfo.offTi member.
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|
1265 types.push_back(DtoSize_t()); |
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|
1266 |
271
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|
1267 assert(vd->ir.irField); |
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|
1268 assert(vd->ir.irField->index >= 0); |
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|
1269 size_t offset = gTargetData->getStructLayout(isaStruct(cd->type->ir.type->get()))->getElementOffset(vd->ir.irField->index+2); |
110
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|
1270 inits.push_back(DtoConstSize_t(offset)); |
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|
1271 |
275
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|
1272 LLConstant* c = DtoTypeInfoOf(vd->type, true); |
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|
1273 const LLType* tiTy = c->getType(); |
123
7f9a0a58394b
[svn r127] Updated the lphobos build scripts a little. Created a new rebuild profile.
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|
1274 //Logger::cout() << "tiTy = " << *tiTy << '\n'; |
110
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|
1275 |
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|
1276 types.push_back(tiTy); |
275
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|
1277 inits.push_back(c); |
110
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diff
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|
1278 |
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|
1279 const llvm::StructType* sTy = llvm::StructType::get(types); |
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|
1280 return llvm::ConstantStruct::get(sTy, inits); |
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|
1281 } |
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diff
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|
1282 |
213
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|
1283 static LLConstant* build_offti_array(ClassDeclaration* cd, LLConstant* init) |
110
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|
1284 { |
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|
1285 const llvm::StructType* initTy = isaStruct(init->getType()); |
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|
1286 assert(initTy); |
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|
1287 |
213
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|
1288 std::vector<LLConstant*> arrayInits; |
110
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|
1289 for (ClassDeclaration *cd2 = cd; cd2; cd2 = cd2->baseClass) |
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diff
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|
1290 { |
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lindquist
parents:
106
diff
changeset
|
1291 if (cd2->members) |
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lindquist
parents:
106
diff
changeset
|
1292 { |
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parents:
106
diff
changeset
|
1293 for (size_t i = 0; i < cd2->members->dim; i++) |
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parents:
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diff
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|
1294 { |
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diff
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|
1295 Dsymbol *sm = (Dsymbol *)cd2->members->data[i]; |
112
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[svn r116] Implemented the ClassInfo.destructor field.
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parents:
111
diff
changeset
|
1296 if (VarDeclaration* vd = sm->isVarDeclaration()) // is this enough? |
110
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|
1297 { |
275
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|
1298 if (!vd->isDataseg()) // static members dont have an offset! |
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|
1299 { |
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|
1300 LLConstant* c = build_offti_entry(cd, vd); |
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diff
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|
1301 assert(c); |
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|
1302 arrayInits.push_back(c); |
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|
1303 } |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
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diff
changeset
|
1304 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1305 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1306 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1307 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1308 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1309 size_t ninits = arrayInits.size(); |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
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|
1310 LLConstant* size = DtoConstSize_t(ninits); |
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[svn r229] Updated the object.d implementation to the latest Tango.
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diff
changeset
|
1311 LLConstant* ptr; |
110
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[svn r114] Implemented the ClassInfo.offTi member.
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106
diff
changeset
|
1312 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
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diff
changeset
|
1313 if (ninits > 0) { |
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1314 // OffsetTypeInfo type |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
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changeset
|
1315 std::vector<const LLType*> elemtypes; |
110
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[svn r114] Implemented the ClassInfo.offTi member.
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|
1316 elemtypes.push_back(DtoSize_t()); |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
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|
1317 const LLType* tiTy = getPtrToType(Type::typeinfo->type->ir.type->get()); |
110
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1318 elemtypes.push_back(tiTy); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1319 const llvm::StructType* sTy = llvm::StructType::get(elemtypes); |
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
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|
1320 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1321 // array type |
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[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1322 const llvm::ArrayType* arrTy = llvm::ArrayType::get(sTy, ninits); |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
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|
1323 LLConstant* arrInit = llvm::ConstantArray::get(arrTy, arrayInits); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
changeset
|
1324 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1325 std::string name(cd->type->vtinfo->toChars()); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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diff
changeset
|
1326 name.append("__OffsetTypeInfos"); |
149
4c577c2b7229
[svn r155] Fixed a bunch of linkage problems (especially with templates)
lindquist
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147
diff
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|
1327 |
4c577c2b7229
[svn r155] Fixed a bunch of linkage problems (especially with templates)
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parents:
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diff
changeset
|
1328 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(arrTy,true,DtoInternalLinkage(cd),arrInit,name,gIR->module); |
133
44a95ac7368a
[svn r137] Many fixes towards tango.io.Console working, but not quite there yet...
lindquist
parents:
132
diff
changeset
|
1329 ptr = llvm::ConstantExpr::getBitCast(gvar, getPtrToType(sTy)); |
110
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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parents:
106
diff
changeset
|
1330 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
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diff
changeset
|
1331 else { |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
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106
diff
changeset
|
1332 ptr = llvm::ConstantPointerNull::get(isaPointer(initTy->getElementType(1))); |
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[svn r114] Implemented the ClassInfo.offTi member.
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parents:
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diff
changeset
|
1333 } |
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[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1334 |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1335 return DtoConstSlice(size, ptr); |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1336 } |
e8da7856a260
[svn r114] Implemented the ClassInfo.offTi member.
lindquist
parents:
106
diff
changeset
|
1337 |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
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210
diff
changeset
|
1338 static LLConstant* build_class_dtor(ClassDeclaration* cd) |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
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111
diff
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|
1339 { |
268
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
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244
diff
changeset
|
1340 #if 0 |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1341 // construct the function |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
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210
diff
changeset
|
1342 std::vector<const LLType*> paramTypes; |
173
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
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diff
changeset
|
1343 paramTypes.push_back(getPtrToType(cd->type->ir.type->get())); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1344 |
244
a95056b3c996
[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
lindquist
parents:
217
diff
changeset
|
1345 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy, paramTypes, false); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1346 |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1347 if (cd->dtors.dim == 0) { |
244
a95056b3c996
[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
lindquist
parents:
217
diff
changeset
|
1348 return llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty)); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1349 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1350 else if (cd->dtors.dim == 1) { |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
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parents:
111
diff
changeset
|
1351 DtorDeclaration *d = (DtorDeclaration *)cd->dtors.data[0]; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1352 DtoForceDeclareDsymbol(d); |
173
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
ChristianK
parents:
169
diff
changeset
|
1353 assert(d->ir.irFunc->func); |
244
a95056b3c996
[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
lindquist
parents:
217
diff
changeset
|
1354 return llvm::ConstantExpr::getBitCast(isaConstant(d->ir.irFunc->func), getPtrToType(LLType::Int8Ty)); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1355 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1356 |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1357 std::string gname("_D"); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1358 gname.append(cd->mangle()); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1359 gname.append("12__destructorMFZv"); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1360 |
205
9d44ec83acd1
[svn r221] Update: Switched to the 2.3 LLVM svn branch, http://llvm.org/svn/llvm-project/llvm/branches/release_23 .
lindquist
parents:
201
diff
changeset
|
1361 llvm::Function* func = llvm::Function::Create(fnTy, DtoInternalLinkage(cd), gname, gIR->module); |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
parents:
210
diff
changeset
|
1362 LLValue* thisptr = func->arg_begin(); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1363 thisptr->setName("this"); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1364 |
205
9d44ec83acd1
[svn r221] Update: Switched to the 2.3 LLVM svn branch, http://llvm.org/svn/llvm-project/llvm/branches/release_23 .
lindquist
parents:
201
diff
changeset
|
1365 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", func); |
9d44ec83acd1
[svn r221] Update: Switched to the 2.3 LLVM svn branch, http://llvm.org/svn/llvm-project/llvm/branches/release_23 .
lindquist
parents:
201
diff
changeset
|
1366 IRBuilder builder(bb); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1367 |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1368 for (size_t i = 0; i < cd->dtors.dim; i++) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1369 { |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1370 DtorDeclaration *d = (DtorDeclaration *)cd->dtors.data[i]; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1371 DtoForceDeclareDsymbol(d); |
173
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
ChristianK
parents:
169
diff
changeset
|
1372 assert(d->ir.irFunc->func); |
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
ChristianK
parents:
169
diff
changeset
|
1373 builder.CreateCall(d->ir.irFunc->func, thisptr); |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1374 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1375 builder.CreateRetVoid(); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1376 |
244
a95056b3c996
[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
lindquist
parents:
217
diff
changeset
|
1377 return llvm::ConstantExpr::getBitCast(func, getPtrToType(LLType::Int8Ty)); |
268
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1378 #else |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1379 |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1380 FuncDeclaration* dtor = cd->dtor; |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1381 |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1382 // if no destructor emit a null |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1383 if (!dtor) |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1384 return getNullPtr(getVoidPtrType()); |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1385 |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1386 DtoForceDeclareDsymbol(dtor); |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1387 return llvm::ConstantExpr::getBitCast(dtor->ir.irFunc->func, getPtrToType(LLType::Int8Ty)); |
23d0d9855cad
[svn r289] Fixed: right shift >> was broken for unsigned types.
lindquist
parents:
244
diff
changeset
|
1388 #endif |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1389 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1390 |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1391 static uint build_classinfo_flags(ClassDeclaration* cd) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1392 { |
113
27b9f749d9fe
[svn r117] Initial working implementation of interfaces.
lindquist
parents:
112
diff
changeset
|
1393 // adapted from original dmd code |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1394 uint flags = 0; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1395 //flags |= isCOMclass(); // IUnknown |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1396 bool hasOffTi = false; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1397 if (cd->ctor) flags |= 8; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1398 for (ClassDeclaration *cd2 = cd; cd2; cd2 = cd2->baseClass) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1399 { |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1400 if (cd2->members) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1401 { |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1402 for (size_t i = 0; i < cd2->members->dim; i++) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1403 { |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1404 Dsymbol *sm = (Dsymbol *)cd2->members->data[i]; |
275
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
lindquist
parents:
271
diff
changeset
|
1405 if (sm->isVarDeclaration() && !sm->isVarDeclaration()->isDataseg()) // is this enough? |
112
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1406 hasOffTi = true; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1407 //printf("sm = %s %s\n", sm->kind(), sm->toChars()); |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1408 if (sm->hasPointers()) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1409 goto L2; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1410 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1411 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1412 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1413 flags |= 2; // no pointers |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1414 L2: |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1415 if (hasOffTi) |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1416 flags |= 4; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1417 return flags; |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1418 } |
368547b1cbe6
[svn r116] Implemented the ClassInfo.destructor field.
lindquist
parents:
111
diff
changeset
|
1419 |
100 | 1420 void DtoDefineClassInfo(ClassDeclaration* cd) |
1421 { | |
1422 // The layout is: | |
1423 // { | |
1424 // void **vptr; | |
1425 // monitor_t monitor; | |
1426 // byte[] initializer; // static initialization data | |
1427 // char[] name; // class name | |
1428 // void *[] vtbl; | |
1429 // Interface[] interfaces; | |
1430 // ClassInfo *base; // base class | |
1431 // void *destructor; | |
1432 // void *invariant; // class invariant | |
1433 // uint flags; | |
1434 // void *deallocator; | |
1435 // OffsetTypeInfo[] offTi; | |
1436 // void *defaultConstructor; | |
1437 // } | |
1438 | |
173
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
ChristianK
parents:
169
diff
changeset
|
1439 if (cd->ir.irStruct->classDefined) return; |
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1440 cd->ir.irStruct->classDefined = true; |
102
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1441 |
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1442 Logger::println("DtoDefineClassInfo(%s)", cd->toChars()); |
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1443 LOG_SCOPE; |
100 | 1444 |
102
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1445 assert(cd->type->ty == Tclass); |
173
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1446 assert(cd->ir.irStruct->classInfo); |
102
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1447 |
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1448 TypeClass* cdty = (TypeClass*)cd->type; |
133
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1449 if (!cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
173
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1450 assert(cd->ir.irStruct->init); |
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1451 assert(cd->ir.irStruct->constInit); |
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1452 assert(cd->ir.irStruct->vtbl); |
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1453 assert(cd->ir.irStruct->constVtbl); |
113
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1454 } |
100 | 1455 |
1456 // holds the list of initializers for llvm | |
213
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1457 std::vector<LLConstant*> inits; |
100 | 1458 |
1459 ClassDeclaration* cinfo = ClassDeclaration::classinfo; | |
102
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1460 DtoForceConstInitDsymbol(cinfo); |
173
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1461 assert(cinfo->ir.irStruct->constInit); |
100 | 1462 |
284
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1463 // def init constant |
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1464 LLConstant* defc = cinfo->ir.irStruct->constInit; |
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1465 assert(defc); |
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1466 |
213
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1467 LLConstant* c; |
100 | 1468 |
1469 // own vtable | |
284
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1470 c = defc->getOperand(0); |
100 | 1471 assert(c); |
1472 inits.push_back(c); | |
1473 | |
1474 // monitor | |
284
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1475 c = defc->getOperand(1); |
115
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1476 inits.push_back(c); |
100 | 1477 |
102
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1478 // byte[] init |
244
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1479 const LLType* byteptrty = getPtrToType(LLType::Int8Ty); |
133
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1480 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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1481 c = defc->getOperand(2); |
113
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1482 } |
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1483 else { |
173
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1484 c = llvm::ConstantExpr::getBitCast(cd->ir.irStruct->init, byteptrty); |
284
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1485 assert(!defc->getType()->isAbstract()); |
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1486 size_t initsz = getABITypeSize(defc->getType()); |
113
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1487 c = DtoConstSlice(DtoConstSize_t(initsz), c); |
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1488 } |
100 | 1489 inits.push_back(c); |
1490 | |
1491 // class name | |
1492 // from dmd | |
1493 char *name = cd->ident->toChars(); | |
1494 size_t namelen = strlen(name); | |
1495 if (!(namelen > 9 && memcmp(name, "TypeInfo_", 9) == 0)) | |
1496 { | |
1497 name = cd->toPrettyChars(); | |
1498 namelen = strlen(name); | |
1499 } | |
1500 c = DtoConstString(name); | |
1501 inits.push_back(c); | |
1502 | |
1503 // vtbl array | |
133
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1504 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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1505 c = defc->getOperand(4); |
113
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1506 } |
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1507 else { |
213
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1508 const LLType* byteptrptrty = getPtrToType(byteptrty); |
173
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1509 assert(!cd->ir.irStruct->vtbl->getType()->isAbstract()); |
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1510 c = llvm::ConstantExpr::getBitCast(cd->ir.irStruct->vtbl, byteptrptrty); |
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1511 assert(!cd->ir.irStruct->constVtbl->getType()->isAbstract()); |
199 | 1512 size_t vtblsz = 0; |
1513 llvm::ConstantArray* constVtblArray = llvm::dyn_cast<llvm::ConstantArray>(cd->ir.irStruct->constVtbl); | |
1514 if(constVtblArray) { | |
1515 vtblsz = constVtblArray->getType()->getNumElements(); | |
1516 } | |
113
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1517 c = DtoConstSlice(DtoConstSize_t(vtblsz), c); |
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1518 } |
100 | 1519 inits.push_back(c); |
1520 | |
1521 // interfaces array | |
173
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1522 IrStruct* irstruct = cd->ir.irStruct; |
133
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1523 if (cd->isInterfaceDeclaration() || !irstruct->interfaceInfos || cd->isAbstract()) { |
284
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1524 c = defc->getOperand(5); |
113
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1525 } |
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1526 else { |
284
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1527 const LLType* t = defc->getOperand(5)->getType()->getContainedType(1); |
113
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1528 c = llvm::ConstantExpr::getBitCast(irstruct->interfaceInfos, t); |
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1529 size_t iisz = irstruct->interfaceInfosTy->getNumElements(); |
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1530 c = DtoConstSlice(DtoConstSize_t(iisz), c); |
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1531 } |
100 | 1532 inits.push_back(c); |
1533 | |
1534 // base classinfo | |
133
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1535 if (cd->baseClass && !cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
102
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|
1536 DtoDeclareClassInfo(cd->baseClass); |
173
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1537 c = cd->baseClass->ir.irStruct->classInfo; |
102
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1538 assert(c); |
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1539 inits.push_back(c); |
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1540 } |
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1541 else { |
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1542 // null |
284
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1543 c = defc->getOperand(6); |
102
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1544 inits.push_back(c); |
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1545 } |
100 | 1546 |
1547 // destructor | |
133
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1548 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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1549 c = defc->getOperand(7); |
113
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1550 } |
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|
1551 else { |
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|
1552 c = build_class_dtor(cd); |
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|
1553 } |
100 | 1554 inits.push_back(c); |
1555 | |
1556 // invariant | |
102
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1557 // TODO |
284
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1558 c = defc->getOperand(8); |
100 | 1559 inits.push_back(c); |
1560 | |
113
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1561 // uint flags |
133
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1562 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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1563 c = defc->getOperand(9); |
113
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1564 } |
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1565 else { |
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|
1566 uint flags = build_classinfo_flags(cd); |
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|
1567 c = DtoConstUint(flags); |
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1568 } |
100 | 1569 inits.push_back(c); |
1570 | |
284
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1571 // deallocator |
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1572 if (cd->aggDelete) { |
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1573 DtoForceDeclareDsymbol(cd->aggDelete); |
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1574 c = cd->aggDelete->ir.irFunc->func; |
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1575 c = llvm::ConstantExpr::getBitCast(c, defc->getOperand(10)->getType()); |
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1576 } |
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1577 else { |
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1578 c = defc->getOperand(10); |
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1579 } |
100 | 1580 inits.push_back(c); |
1581 | |
1582 // offset typeinfo | |
133
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1583 if (cd->isInterfaceDeclaration() || cd->isAbstract()) { |
284
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1584 c = defc->getOperand(11); |
113
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1585 } |
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1586 else { |
284
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1587 c = build_offti_array(cd, defc->getOperand(11)); |
113
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1588 } |
100 | 1589 inits.push_back(c); |
1590 | |
1591 // default constructor | |
133
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1592 if (cd->defaultCtor && !cd->isInterfaceDeclaration() && !cd->isAbstract()) { |
111
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1593 DtoForceDeclareDsymbol(cd->defaultCtor); |
173
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1594 c = isaConstant(cd->defaultCtor->ir.irFunc->func); |
284
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|
1595 const LLType* toTy = defc->getOperand(12)->getType(); |
117 | 1596 c = llvm::ConstantExpr::getBitCast(c, toTy); |
111
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1597 } |
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1598 else { |
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1599 c = defc->getOperand(12); |
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1600 } |
100 | 1601 inits.push_back(c); |
1602 | |
1603 /*size_t n = inits.size(); | |
1604 for (size_t i=0; i<n; ++i) | |
1605 { | |
1606 Logger::cout() << "inits[" << i << "]: " << *inits[i] << '\n'; | |
1607 }*/ | |
1608 | |
1609 // build the initializer | |
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1610 const llvm::StructType* st = isaStruct(defc->getType()); |
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1611 LLConstant* finalinit = llvm::ConstantStruct::get(st, inits); |
100 | 1612 //Logger::cout() << "built the classinfo initializer:\n" << *finalinit <<'\n'; |
1613 | |
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1614 cd->ir.irStruct->constClassInfo = finalinit; |
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1615 cd->ir.irStruct->classInfo->setInitializer(finalinit); |
100 | 1616 } |