Change CGObjCRuntime methods to take appropriate clang Decls.

 - 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

1 files changed, 5 insertions, 118 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 500bf5b5d54..3340cdff56a 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -252,125 +252,12 @@ void CodeGenModule::EmitObjCProtocolImplementation(const ObjCProtocolDecl *PD){
 }
 
 void CodeGenModule::EmitObjCCategoryImpl(const ObjCCategoryImplDecl *OCD) {
+  Runtime->GenerateCategory(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);
-}
-
-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() {