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//==- Serialize.h - Generic Object Serialization to Bitcode -------*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Ted Kremenek and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the interface for generic object serialization to
// LLVM bitcode.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_BITCODE_SERIALIZE_OUTPUT
#define LLVM_BITCODE_SERIALIZE_OUTPUT
#include "llvm/Bitcode/Serialization.h"
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/DenseMap.h"
namespace llvm {
class Serializer {
BitstreamWriter& Stream;
SmallVector<uint64_t,10> Record;
unsigned BlockLevel;
typedef DenseMap<const void*,unsigned> MapTy;
MapTy PtrMap;
public:
Serializer(BitstreamWriter& stream);
~Serializer();
template <typename T>
inline void Emit(const T& X) { SerializeTrait<T>::Emit(*this,X); }
void EmitInt(uint64_t X);
void EmitSInt(int64_t X);
void EmitBool(bool X) { EmitInt(X); }
void EmitCStr(const char* beg, const char* end);
void EmitCStr(const char* cstr);
void EmitPtr(const void* ptr) { EmitInt(getPtrId(ptr)); }
template <typename T>
void EmitRef(const T& ref) { EmitPtr(&ref); }
template <typename T>
void EmitOwnedPtr(T* ptr) {
EmitPtr(ptr);
if (ptr) SerializeTrait<T>::Emit(*this,*ptr);
}
template <typename T1, typename T2>
void BatchEmitOwnedPtrs(T1* p1, T2* p2) {
EmitPtr(p1);
EmitPtr(p2);
if (p1) SerializeTrait<T1>::Emit(*this,*p1);
if (p2) SerializeTrait<T2>::Emit(*this,*p2);
}
template <typename T1, typename T2, typename T3>
void BatchEmitOwnedPtrs(T1* p1, T2* p2, T3* p3) {
EmitPtr(p1);
EmitPtr(p2);
EmitPtr(p3);
if (p1) SerializeTrait<T1>::Emit(*this,*p1);
if (p2) SerializeTrait<T2>::Emit(*this,*p2);
if (p3) SerializeTrait<T3>::Emit(*this,*p3);
}
template <typename T1, typename T2, typename T3, typename T4>
void BatchEmitOwnedPtrs(T1* p1, T2* p2, T3* p3, T4& p4) {
EmitPtr(p1);
EmitPtr(p2);
EmitPtr(p3);
EmitPtr(p4);
if (p1) SerializeTrait<T1>::Emit(*this,*p1);
if (p2) SerializeTrait<T2>::Emit(*this,*p2);
if (p3) SerializeTrait<T3>::Emit(*this,*p3);
if (p4) SerializeTrait<T4>::Emit(*this,*p4);
}
template <typename T>
void BatchEmitOwnedPtrs(unsigned NumPtrs, T** Ptrs) {
for (unsigned i = 0; i < NumPtrs; ++i)
EmitPtr(Ptrs[i]);
for (unsigned i = 0; i < NumPtrs; ++i)
if (Ptrs[i]) SerializeTrait<T>::Emit(*this,*Ptrs[i]);
}
void FlushRecord() { if (inRecord()) EmitRecord(); }
void EnterBlock(unsigned BlockID = 8, unsigned CodeLen = 3);
void ExitBlock();
private:
void EmitRecord();
inline bool inRecord() { return Record.size() > 0; }
unsigned getPtrId(const void* ptr);
};
} // end namespace llvm
#endif
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