forked from OSchip/llvm-project
Add dummy Mac Objective-C runtime interface.
- Not currently accessible and completely non-functional. llvm-svn: 54624
This commit is contained in:
Daniel Dunbar
parent
d83be33cc0
commit
303e2c2f1f
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@ -864,6 +864,6 @@ llvm::Function *CGObjCGNU::MethodPreamble(
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return Method;
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}
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CodeGen::CGObjCRuntime *CodeGen::CreateObjCRuntime(CodeGen::CodeGenModule &CGM){
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CodeGen::CGObjCRuntime *CodeGen::CreateGNUObjCRuntime(CodeGen::CodeGenModule &CGM){
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return new CGObjCGNU(CGM);
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}
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@ -0,0 +1,214 @@
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//===------- CGObjCMac.cpp - Interface to Apple Objective-C Runtime -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This provides Objective-C code generation targetting the Apple runtime.
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//
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//===----------------------------------------------------------------------===//
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#include "CGObjCRuntime.h"
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#include "CodeGenModule.h"
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#include "clang/AST/ASTContext.h"
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#include "llvm/Module.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/IRBuilder.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringMap.h"
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#include <map>
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using namespace clang;
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namespace {
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class CGObjCMac : public CodeGen::CGObjCRuntime {
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private:
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CodeGen::CodeGenModule &CGM;
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public:
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CGObjCMac(CodeGen::CodeGenModule &cgm);
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virtual llvm::Constant *GenerateConstantString(const char *String,
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const size_t length);
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virtual llvm::Value *GenerateMessageSend(llvm::IRBuilder<> &Builder,
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const llvm::Type *ReturnTy,
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llvm::Value *Sender,
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llvm::Value *Receiver,
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Selector Sel,
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llvm::Value** ArgV,
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unsigned ArgC);
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virtual llvm::Value *GenerateMessageSendSuper(llvm::IRBuilder<> &Builder,
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const llvm::Type *ReturnTy,
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llvm::Value *Sender,
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const char *SuperClassName,
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llvm::Value *Receiver,
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Selector Sel,
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llvm::Value** ArgV,
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unsigned ArgC);
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virtual llvm::Value *LookupClass(llvm::IRBuilder<> &Builder,
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llvm::Value *ClassName);
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virtual llvm::Value *GetSelector(llvm::IRBuilder<> &Builder, Selector Sel);
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virtual llvm::Function *MethodPreamble(const std::string &ClassName,
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const std::string &CategoryName,
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const std::string &MethodName,
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const llvm::Type *ReturnTy,
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const llvm::Type *SelfTy,
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const llvm::Type **ArgTy,
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unsigned ArgC,
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bool isClassMethod,
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bool isVarArg);
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virtual void GenerateCategory(const char *ClassName, const char *CategoryName,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols);
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virtual void GenerateClass(
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const char *ClassName,
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const char *SuperClassName,
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const int instanceSize,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols);
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virtual llvm::Value *GenerateProtocolRef(llvm::IRBuilder<> &Builder,
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const char *ProtocolName);
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virtual void GenerateProtocol(const char *ProtocolName,
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const llvm::SmallVectorImpl<std::string> &Protocols,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes);
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virtual llvm::Function *ModuleInitFunction();
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};
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} // end anonymous namespace
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CGObjCMac::CGObjCMac(CodeGen::CodeGenModule &cgm) : CGM(cgm) {
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}
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// This has to perform the lookup every time, since posing and related
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// techniques can modify the name -> class mapping.
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llvm::Value *CGObjCMac::LookupClass(llvm::IRBuilder<> &Builder,
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llvm::Value *ClassName) {
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assert(0 && "Cannot lookup classes on Mac runtime.");
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return 0;
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}
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/// GetSelector - Return the pointer to the unique'd string for this selector.
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llvm::Value *CGObjCMac::GetSelector(llvm::IRBuilder<> &Builder, Selector Sel) {
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assert(0 && "Cannot get selector on Mac runtime.");
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return 0;
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}
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/// Generate an NSConstantString object.
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llvm::Constant *CGObjCMac::GenerateConstantString(const char *String,
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const size_t length) {
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assert(0 && "Cannot generate constant string for Mac runtime.");
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return 0;
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}
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/// Generates a message send where the super is the receiver. This is
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/// a message send to self with special delivery semantics indicating
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/// which class's method should be called.
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llvm::Value *CGObjCMac::GenerateMessageSendSuper(llvm::IRBuilder<> &Builder,
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const llvm::Type *ReturnTy,
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llvm::Value *Sender,
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const char *SuperClassName,
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llvm::Value *Receiver,
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Selector Sel,
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llvm::Value** ArgV,
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unsigned ArgC) {
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assert(0 && "Cannot generate message send to super for Mac runtime.");
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return 0;
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}
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/// Generate code for a message send expression.
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llvm::Value *CGObjCMac::GenerateMessageSend(llvm::IRBuilder<> &Builder,
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const llvm::Type *ReturnTy,
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llvm::Value *Sender,
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llvm::Value *Receiver,
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Selector Sel,
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llvm::Value** ArgV,
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unsigned ArgC) {
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assert(0 && "Cannot generate message send for Mac runtime.");
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return 0;
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}
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llvm::Value *CGObjCMac::GenerateProtocolRef(llvm::IRBuilder<> &Builder,
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const char *ProtocolName) {
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assert(0 && "Cannot get protocol reference on Mac runtime.");
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return 0;
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}
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void CGObjCMac::GenerateProtocol(const char *ProtocolName,
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const llvm::SmallVectorImpl<std::string> &Protocols,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes) {
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assert(0 && "Cannot generate protocol for Mac runtime.");
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}
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void CGObjCMac::GenerateCategory(
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const char *ClassName,
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const char *CategoryName,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) {
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assert(0 && "Cannot generate category for Mac runtime.");
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}
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void CGObjCMac::GenerateClass(
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const char *ClassName,
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const char *SuperClassName,
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const int instanceSize,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarNames,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarTypes,
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const llvm::SmallVectorImpl<llvm::Constant *> &IvarOffsets,
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const llvm::SmallVectorImpl<Selector> &InstanceMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &InstanceMethodTypes,
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const llvm::SmallVectorImpl<Selector> &ClassMethodSels,
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const llvm::SmallVectorImpl<llvm::Constant *> &ClassMethodTypes,
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const llvm::SmallVectorImpl<std::string> &Protocols) {
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assert(0 && "Cannot generate class for Mac runtime.");
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}
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llvm::Function *CGObjCMac::ModuleInitFunction() {
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return NULL;
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}
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llvm::Function *CGObjCMac::MethodPreamble(
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const std::string &ClassName,
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const std::string &CategoryName,
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const std::string &MethodName,
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const llvm::Type *ReturnTy,
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const llvm::Type *SelfTy,
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const llvm::Type **ArgTy,
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unsigned ArgC,
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bool isClassMethod,
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bool isVarArg) {
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assert(0 && "Cannot generate method preamble for Mac runtime.");
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return 0;
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}
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CodeGen::CGObjCRuntime *CodeGen::CreateMacObjCRuntime(CodeGen::CodeGenModule &CGM){
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return new CGObjCMac(CGM);
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}
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@ -1,4 +1,4 @@
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//===----- CGObjCRuntime.h - Emit LLVM Code from ASTs for a Module --------===//
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//===----- CGObjCRuntime.h - Interface to ObjC Runtimes ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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@ -81,7 +81,7 @@ public:
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const llvm::SmallVectorImpl<std::string> &Protocols) =0;
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/// Generate a reference to the named protocol.
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virtual llvm::Value *GenerateProtocolRef(llvm::IRBuilder<true> &Builder,
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const char *ProtocolName) =0;
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const char *ProtocolName) = 0;
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virtual llvm::Value *GenerateMessageSendSuper(llvm::IRBuilder<true> &Builder,
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const llvm::Type *ReturnTy,
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llvm::Value *Sender,
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@ -121,7 +121,8 @@ public:
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/// Creates an instance of an Objective-C runtime class.
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//TODO: This should include some way of selecting which runtime to target.
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CGObjCRuntime *CreateObjCRuntime(CodeGenModule &CGM);
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CGObjCRuntime *CreateGNUObjCRuntime(CodeGenModule &CGM);
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CGObjCRuntime *CreateMacObjCRuntime(CodeGenModule &CGM);
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}
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}
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#endif
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@ -34,12 +34,17 @@ using namespace CodeGen;
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CodeGenModule::CodeGenModule(ASTContext &C, const LangOptions &LO,
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llvm::Module &M, const llvm::TargetData &TD,
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Diagnostic &diags, bool GenerateDebugInfo)
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Diagnostic &diags, bool GenerateDebugInfo,
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bool UseMacObjCRuntime)
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: Context(C), Features(LO), TheModule(M), TheTargetData(TD), Diags(diags),
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Types(C, M, TD), MemCpyFn(0), MemMoveFn(0), MemSetFn(0),
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CFConstantStringClassRef(0) {
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//TODO: Make this selectable at runtime
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Runtime = CreateObjCRuntime(*this);
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if (UseMacObjCRuntime) {
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Runtime = CreateMacObjCRuntime(*this);
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} else {
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Runtime = CreateGNUObjCRuntime(*this);
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}
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// If debug info generation is enabled, create the CGDebugInfo object.
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DebugInfo = GenerateDebugInfo ? new CGDebugInfo(this) : 0;
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@ -105,7 +105,7 @@ class CodeGenModule {
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public:
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CodeGenModule(ASTContext &C, const LangOptions &Features, llvm::Module &M,
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const llvm::TargetData &TD, Diagnostic &Diags,
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bool GenerateDebugInfo);
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bool GenerateDebugInfo, bool UseMacObjCRuntime);
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~CodeGenModule();
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@ -60,7 +60,8 @@ namespace {
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M->setDataLayout(Ctx->Target.getTargetDescription());
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TD.reset(new llvm::TargetData(Ctx->Target.getTargetDescription()));
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Builder.reset(new CodeGen::CodeGenModule(Context, Features, *M, *TD,
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Diags, GenerateDebugInfo));
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Diags, GenerateDebugInfo,
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false));
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}
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virtual void HandleTopLevelDecl(Decl *D) {
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