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//===-- gen/objcgen.cpp -----------------------------------------*- C++ -*-===//
//
// LDC – the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
//
// Functions for generating Objective-C method calls.
//
//===----------------------------------------------------------------------===//
#pragma once
#include <vector>
#include "llvm/ADT/StringMap.h"
struct ObjcSelector;
namespace llvm {
class Constant;
class GlobalVariable;
class Module;
class Triple;
}
bool objc_isSupported(const llvm::Triple &triple);
// Objective-C state tied to an LLVM module (object file).
class ObjCState {
public:
ObjCState(llvm::Module &module) : module(module) {}
llvm::GlobalVariable *getMethVarRef(const ObjcSelector &sel);
void finalize();
private:
llvm::Module &module;
// symbols that shouldn't be optimized away
std::vector<llvm::Constant *> retainedSymbols;
llvm::StringMap<llvm::GlobalVariable *> methVarNameMap;
llvm::StringMap<llvm::GlobalVariable *> methVarRefMap;
llvm::GlobalVariable *getCStringVar(const char *symbol,
const llvm::StringRef &str,
const char *section);
llvm::GlobalVariable *getMethVarName(const llvm::StringRef &name);
void retain(llvm::Constant *sym);
void genImageInfo();
void retainSymbols();
};
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