llvm-6502/include/llvm/Bitcode/Serialize.h
2008-03-25 04:41:18 +00:00

212 lines
5.9 KiB
C++

//==- Serialize.h - Generic Object Serialization to Bitcode -------*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file 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:
explicit Serializer(BitstreamWriter& stream);
~Serializer();
//==------------------------------------------------==//
// Template-based dispatch to emit arbitrary types.
//==------------------------------------------------==//
template <typename T>
inline void Emit(const T& X) { SerializeTrait<T>::Emit(*this,X); }
//==------------------------------------------------==//
// Methods to emit primitive types.
//==------------------------------------------------==//
void EmitInt(uint64_t X);
void EmitSInt(int64_t X);
inline 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>
inline void EmitRef(const T& ref) { EmitPtr(&ref); }
// Emit a pointer and the object pointed to. (This has no relation to the
// OwningPtr<> class.)
template <typename T>
inline void EmitOwnedPtr(T* ptr) {
EmitPtr(ptr);
if (ptr) SerializeTrait<T>::Emit(*this,*ptr);
}
//==------------------------------------------------==//
// Batch emission of pointers.
//==------------------------------------------------==//
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* const * 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]);
}
template <typename T1, typename T2>
void BatchEmitOwnedPtrs(unsigned NumT1Ptrs, T1* const * Ptrs, T2* p2) {
for (unsigned i = 0; i < NumT1Ptrs; ++i)
EmitPtr(Ptrs[i]);
EmitPtr(p2);
for (unsigned i = 0; i < NumT1Ptrs; ++i)
if (Ptrs[i]) SerializeTrait<T1>::Emit(*this,*Ptrs[i]);
if (p2) SerializeTrait<T2>::Emit(*this,*p2);
}
template <typename T1, typename T2, typename T3>
void BatchEmitOwnedPtrs(unsigned NumT1Ptrs, T1* const * Ptrs,
T2* p2, T3* p3) {
for (unsigned i = 0; i < NumT1Ptrs; ++i)
EmitPtr(Ptrs[i]);
EmitPtr(p2);
EmitPtr(p3);
for (unsigned i = 0; i < NumT1Ptrs; ++i)
if (Ptrs[i]) SerializeTrait<T1>::Emit(*this,*Ptrs[i]);
if (p2) SerializeTrait<T2>::Emit(*this,*p2);
if (p3) SerializeTrait<T3>::Emit(*this,*p3);
}
//==------------------------------------------------==//
// Emitter Functors
//==------------------------------------------------==//
template <typename T>
struct Emitter0 {
Serializer& S;
Emitter0(Serializer& s) : S(s) {}
void operator()(const T& x) const {
SerializeTrait<T>::Emit(S,x);
}
};
template <typename T, typename Arg1>
struct Emitter1 {
Serializer& S;
Arg1 A1;
Emitter1(Serializer& s, Arg1 a1) : S(s), A1(a1) {}
void operator()(const T& x) const {
SerializeTrait<T>::Emit(S,x,A1);
}
};
template <typename T, typename Arg1, typename Arg2>
struct Emitter2 {
Serializer& S;
Arg1 A1;
Arg2 A2;
Emitter2(Serializer& s, Arg1 a1, Arg2 a2) : S(s), A1(a1), A2(a2) {}
void operator()(const T& x) const {
SerializeTrait<T>::Emit(S,x,A1,A2);
}
};
template <typename T>
Emitter0<T> MakeEmitter() {
return Emitter0<T>(*this);
}
template <typename T, typename Arg1>
Emitter1<T,Arg1> MakeEmitter(Arg1 a1) {
return Emitter1<T,Arg1>(*this,a1);
}
template <typename T, typename Arg1, typename Arg2>
Emitter2<T,Arg1,Arg2> MakeEmitter(Arg1 a1, Arg2 a2) {
return Emitter2<T,Arg1,Arg2>(*this,a1,a2);
}
//==------------------------------------------------==//
// Misc. query and block/record manipulation methods.
//==------------------------------------------------==//
bool isRegistered(const void* p) const;
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; }
SerializedPtrID getPtrId(const void* ptr);
};
} // end namespace llvm
#endif