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//===- BitcodeReader.h - Internal BitcodeReader impl ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines the BitcodeReader class.
//
//===----------------------------------------------------------------------===//
#ifndef BITCODE_READER_H
#define BITCODE_READER_H
#include "llvm/AbstractTypeUser.h"
#include "llvm/ModuleProvider.h"
#include "../LLVMBitCodes.h"
#include <vector>
namespace llvm {
class BitstreamReader;
class BitcodeReader : public ModuleProvider {
const char *ErrorString;
std::vector<PATypeHolder> TypeList;
public:
virtual ~BitcodeReader() {}
virtual void FreeState() {}
virtual bool materializeFunction(Function *F, std::string *ErrInfo = 0) {
// FIXME: TODO
return false;
}
virtual Module *materializeModule(std::string *ErrInfo = 0) {
// FIXME: TODO
//if (ParseAllFunctionBodies(ErrMsg))
// return 0;
return TheModule;
}
bool Error(const char *Str) {
ErrorString = Str;
return true;
}
const char *getErrorString() const { return ErrorString; }
/// @brief Main interface to parsing a bitcode buffer.
/// @returns true if an error occurred.
bool ParseBitcode(unsigned char *Buf, unsigned Length,
const std::string &ModuleID);
private:
const Type *getTypeByID(unsigned ID, bool isTypeTable = false);
bool ParseModule(BitstreamReader &Stream, const std::string &ModuleID);
bool ParseTypeTable(BitstreamReader &Stream);
bool ParseTypeSymbolTable(BitstreamReader &Stream);
};
} // End llvm namespace
#endif
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