nicolas/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Change CGObjCRuntime methods to take appropriate clang Decls.

Browse Source 
- This is in prep for implementation class support for the NeXT
   runtime, for which the existing methods don't provide enough
   information (and additionally make too many assumptions about how
   things should be emitted).

llvm-svn: 54824
This commit is contained in:
Daniel Dunbar
2008-08-15 22:20:32 +00:00
parent affe0267f8
commit 9299250939
5 changed files with 208 additions and 313 deletions
Download Patch File Download Diff File Expand all files Collapse all files

121
clang/lib/CodeGen/CodeGenModule.cpp
View File

@@ -252,125 +252,12 @@ void CodeGenModule::EmitObjCProtocolImplementation(const ObjCProtocolDecl *PD){
}
void CodeGenModule::EmitObjCCategoryImpl(const ObjCCategoryImplDecl *OCD) {
// Collect information about instance methods
llvm::SmallVector<Selector, 16> InstanceMethodSels;
llvm::SmallVector<llvm::Constant*, 16> InstanceMethodTypes;
for (ObjCCategoryDecl::instmeth_iterator iter = OCD->instmeth_begin(),
endIter = OCD->instmeth_end() ; iter != endIter ; iter++) {
InstanceMethodSels.push_back((*iter)->getSelector());
std::string TypeStr;
Context.getObjCEncodingForMethodDecl(*iter,TypeStr);
InstanceMethodTypes.push_back(GetAddrOfConstantCString(TypeStr));
}
// Collect information about class methods
llvm::SmallVector<Selector, 16> ClassMethodSels;
llvm::SmallVector<llvm::Constant*, 16> ClassMethodTypes;
for (ObjCCategoryDecl::classmeth_iterator iter = OCD->classmeth_begin(),
endIter = OCD->classmeth_end() ; iter != endIter ; iter++) {
ClassMethodSels.push_back((*iter)->getSelector());
std::string TypeStr;
Context.getObjCEncodingForMethodDecl(*iter,TypeStr);
ClassMethodTypes.push_back(GetAddrOfConstantCString(TypeStr));
}
// Collect the names of referenced protocols
llvm::SmallVector<std::string, 16> Protocols;
const ObjCInterfaceDecl *ClassDecl = OCD->getClassInterface();
const ObjCList<ObjCProtocolDecl> &Protos =ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protos.begin(),
E = Protos.end(); I != E; ++I)
Protocols.push_back((*I)->getName());
// Generate the category
Runtime->GenerateCategory(OCD->getClassInterface()->getName(),
OCD->getName(), InstanceMethodSels, InstanceMethodTypes,
ClassMethodSels, ClassMethodTypes, Protocols);
Runtime->GenerateCategory(OCD);
}
void CodeGenModule::EmitObjCClassImplementation(
const ObjCImplementationDecl *OID) {
// Get the superclass name.
const ObjCInterfaceDecl * SCDecl = OID->getClassInterface()->getSuperClass();
const char * SCName = NULL;
if (SCDecl) {
SCName = SCDecl->getName();
}
// Get the class name
ObjCInterfaceDecl * ClassDecl = (ObjCInterfaceDecl*)OID->getClassInterface();
const char * ClassName = ClassDecl->getName();
// Get the size of instances. For runtimes that support late-bound instances
// this should probably be something different (size just of instance
// varaibles in this class, not superclasses?).
int instanceSize = 0;
const llvm::Type *ObjTy = 0;
if (!Runtime->LateBoundIVars()) {
ObjTy = getTypes().ConvertType(Context.getObjCInterfaceType(ClassDecl));
instanceSize = TheTargetData.getABITypeSize(ObjTy);
} else {
// This is required by newer ObjC runtimes.
assert(0 && "Late-bound instance variables not yet supported");
}
// Collect information about instance variables.
llvm::SmallVector<llvm::Constant*, 16> IvarNames;
llvm::SmallVector<llvm::Constant*, 16> IvarTypes;
llvm::SmallVector<llvm::Constant*, 16> IvarOffsets;
const llvm::StructLayout *Layout =
TheTargetData.getStructLayout(cast<llvm::StructType>(ObjTy));
ObjTy = llvm::PointerType::getUnqual(ObjTy);
for (ObjCInterfaceDecl::ivar_iterator iter = ClassDecl->ivar_begin(),
endIter = ClassDecl->ivar_end() ; iter != endIter ; iter++) {
// Store the name
IvarNames.push_back(GetAddrOfConstantCString((*iter)->getName()));
// Get the type encoding for this ivar
std::string TypeStr;
llvm::SmallVector<const RecordType *, 8> EncodingRecordTypes;
Context.getObjCEncodingForType((*iter)->getType(), TypeStr,
EncodingRecordTypes);
IvarTypes.push_back(GetAddrOfConstantCString(TypeStr));
// Get the offset
int offset =
(int)Layout->getElementOffset(getTypes().getLLVMFieldNo(*iter));
IvarOffsets.push_back(
llvm::ConstantInt::get(llvm::Type::Int32Ty, offset));
}
// Collect information about instance methods
llvm::SmallVector<Selector, 16> InstanceMethodSels;
llvm::SmallVector<llvm::Constant*, 16> InstanceMethodTypes;
for (ObjCImplementationDecl::instmeth_iterator iter = OID->instmeth_begin(),
endIter = OID->instmeth_end() ; iter != endIter ; iter++) {
InstanceMethodSels.push_back((*iter)->getSelector());
std::string TypeStr;
Context.getObjCEncodingForMethodDecl((*iter),TypeStr);
InstanceMethodTypes.push_back(GetAddrOfConstantCString(TypeStr));
}
// Collect information about class methods
llvm::SmallVector<Selector, 16> ClassMethodSels;
llvm::SmallVector<llvm::Constant*, 16> ClassMethodTypes;
for (ObjCImplementationDecl::classmeth_iterator iter = OID->classmeth_begin(),
endIter = OID->classmeth_end() ; iter != endIter ; iter++) {
ClassMethodSels.push_back((*iter)->getSelector());
std::string TypeStr;
Context.getObjCEncodingForMethodDecl((*iter),TypeStr);
ClassMethodTypes.push_back(GetAddrOfConstantCString(TypeStr));
}
// Collect the names of referenced protocols
llvm::SmallVector<std::string, 16> Protocols;
const ObjCList<ObjCProtocolDecl> &Protos =ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protos.begin(),
E = Protos.end(); I != E; ++I)
Protocols.push_back((*I)->getName());
// Generate the category
Runtime->GenerateClass(ClassName, SCName, instanceSize, IvarNames, IvarTypes,
IvarOffsets, InstanceMethodSels, InstanceMethodTypes,
ClassMethodSels, ClassMethodTypes, Protocols);
void
CodeGenModule::EmitObjCClassImplementation(const ObjCImplementationDecl *OID) {
Runtime->GenerateClass(OID);
}
void CodeGenModule::EmitStatics() {