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0b2482a1eb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36378 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
//===- BitcodeReader.h - Internal BitcodeReader impl ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header defines the BitcodeReader class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef BITCODE_READER_H
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#define BITCODE_READER_H
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#include "llvm/Type.h"
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#include "llvm/ModuleProvider.h"
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#include "llvm/Bitcode/LLVMBitCodes.h"
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#include <vector>
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namespace llvm {
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class BitstreamReader;
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class Value;
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class BitcodeReader : public ModuleProvider {
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const char *ErrorString;
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std::vector<PATypeHolder> TypeList;
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std::vector<Value*> ValueList;
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public:
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virtual ~BitcodeReader() {}
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virtual void FreeState() {}
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virtual bool materializeFunction(Function *F, std::string *ErrInfo = 0) {
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// FIXME: TODO
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return false;
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}
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virtual Module *materializeModule(std::string *ErrInfo = 0) {
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// FIXME: TODO
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//if (ParseAllFunctionBodies(ErrMsg))
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// return 0;
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return TheModule;
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}
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bool Error(const char *Str) {
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ErrorString = Str;
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return true;
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}
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const char *getErrorString() const { return ErrorString; }
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/// @brief Main interface to parsing a bitcode buffer.
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/// @returns true if an error occurred.
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bool ParseBitcode(unsigned char *Buf, unsigned Length,
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const std::string &ModuleID);
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private:
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const Type *getTypeByID(unsigned ID, bool isTypeTable = false);
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bool ParseModule(BitstreamReader &Stream, const std::string &ModuleID);
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bool ParseTypeTable(BitstreamReader &Stream);
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bool ParseTypeSymbolTable(BitstreamReader &Stream);
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bool ParseValueSymbolTable(BitstreamReader &Stream);
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};
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} // End llvm namespace
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#endif
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