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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65199 91177308-0d34-0410-b5e6-96231b3b80d8
212 lines
5.8 KiB
C++
212 lines
5.8 KiB
C++
//==- Serialize.h - Generic Object Serialization to Bitcode -------*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the interface for generic object serialization to
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// LLVM bitcode.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BITCODE_SERIALIZE_OUTPUT
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#define LLVM_BITCODE_SERIALIZE_OUTPUT
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#include "llvm/Bitcode/Serialization.h"
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#include "llvm/Bitcode/BitstreamWriter.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/DenseMap.h"
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namespace llvm {
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class Serializer {
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BitstreamWriter& Stream;
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SmallVector<uint64_t,10> Record;
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unsigned BlockLevel;
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typedef DenseMap<const void*,unsigned> MapTy;
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MapTy PtrMap;
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public:
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explicit Serializer(BitstreamWriter& stream);
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~Serializer();
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//==------------------------------------------------==//
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// Template-based dispatch to emit arbitrary types.
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//==------------------------------------------------==//
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template <typename T>
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inline void Emit(const T& X) { SerializeTrait<T>::Emit(*this,X); }
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//==------------------------------------------------==//
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// Methods to emit primitive types.
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//==------------------------------------------------==//
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void EmitInt(uint64_t X);
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void EmitSInt(int64_t X);
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inline void EmitBool(bool X) { EmitInt(X); }
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void EmitCStr(const char* beg, const char* end);
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void EmitCStr(const char* cstr);
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void EmitPtr(const void* ptr) { EmitInt(getPtrId(ptr)); }
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template <typename T>
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inline void EmitRef(const T& ref) { EmitPtr(&ref); }
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// Emit a pointer and the object pointed to. (This has no relation to the
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// OwningPtr<> class.)
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template <typename T>
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inline void EmitOwnedPtr(T* ptr) {
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EmitPtr(ptr);
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if (ptr) SerializeTrait<T>::Emit(*this,*ptr);
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}
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//==------------------------------------------------==//
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// Batch emission of pointers.
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//==------------------------------------------------==//
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template <typename T1, typename T2>
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void BatchEmitOwnedPtrs(T1* p1, T2* p2) {
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EmitPtr(p1);
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EmitPtr(p2);
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if (p1) SerializeTrait<T1>::Emit(*this,*p1);
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if (p2) SerializeTrait<T2>::Emit(*this,*p2);
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}
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template <typename T1, typename T2, typename T3>
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void BatchEmitOwnedPtrs(T1* p1, T2* p2, T3* p3) {
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EmitPtr(p1);
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EmitPtr(p2);
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EmitPtr(p3);
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if (p1) SerializeTrait<T1>::Emit(*this,*p1);
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if (p2) SerializeTrait<T2>::Emit(*this,*p2);
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if (p3) SerializeTrait<T3>::Emit(*this,*p3);
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}
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template <typename T1, typename T2, typename T3, typename T4>
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void BatchEmitOwnedPtrs(T1* p1, T2* p2, T3* p3, T4& p4) {
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EmitPtr(p1);
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EmitPtr(p2);
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EmitPtr(p3);
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EmitPtr(p4);
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if (p1) SerializeTrait<T1>::Emit(*this,*p1);
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if (p2) SerializeTrait<T2>::Emit(*this,*p2);
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if (p3) SerializeTrait<T3>::Emit(*this,*p3);
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if (p4) SerializeTrait<T4>::Emit(*this,*p4);
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}
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template <typename T>
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void BatchEmitOwnedPtrs(unsigned NumPtrs, T* const * Ptrs) {
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for (unsigned i = 0; i < NumPtrs; ++i)
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EmitPtr(Ptrs[i]);
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for (unsigned i = 0; i < NumPtrs; ++i)
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if (Ptrs[i]) SerializeTrait<T>::Emit(*this,*Ptrs[i]);
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}
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template <typename T1, typename T2>
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void BatchEmitOwnedPtrs(unsigned NumT1Ptrs, T1* const * Ptrs, T2* p2) {
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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EmitPtr(Ptrs[i]);
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EmitPtr(p2);
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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if (Ptrs[i]) SerializeTrait<T1>::Emit(*this,*Ptrs[i]);
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if (p2) SerializeTrait<T2>::Emit(*this,*p2);
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}
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template <typename T1, typename T2, typename T3>
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void BatchEmitOwnedPtrs(unsigned NumT1Ptrs, T1* const * Ptrs,
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T2* p2, T3* p3) {
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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EmitPtr(Ptrs[i]);
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EmitPtr(p2);
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EmitPtr(p3);
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for (unsigned i = 0; i < NumT1Ptrs; ++i)
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if (Ptrs[i]) SerializeTrait<T1>::Emit(*this,*Ptrs[i]);
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if (p2) SerializeTrait<T2>::Emit(*this,*p2);
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if (p3) SerializeTrait<T3>::Emit(*this,*p3);
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}
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//==------------------------------------------------==//
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// Emitter Functors
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//==------------------------------------------------==//
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template <typename T>
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struct Emitter0 {
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Serializer& S;
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Emitter0(Serializer& s) : S(s) {}
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void operator()(const T& x) const {
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SerializeTrait<T>::Emit(S,x);
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}
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};
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template <typename T, typename Arg1>
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struct Emitter1 {
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Serializer& S;
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Arg1 A1;
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Emitter1(Serializer& s, Arg1 a1) : S(s), A1(a1) {}
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void operator()(const T& x) const {
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SerializeTrait<T>::Emit(S,x,A1);
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}
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};
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template <typename T, typename Arg1, typename Arg2>
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struct Emitter2 {
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Serializer& S;
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Arg1 A1;
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Arg2 A2;
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Emitter2(Serializer& s, Arg1 a1, Arg2 a2) : S(s), A1(a1), A2(a2) {}
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void operator()(const T& x) const {
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SerializeTrait<T>::Emit(S,x,A1,A2);
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}
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};
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template <typename T>
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Emitter0<T> MakeEmitter() {
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return Emitter0<T>(*this);
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}
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template <typename T, typename Arg1>
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Emitter1<T,Arg1> MakeEmitter(Arg1 a1) {
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return Emitter1<T,Arg1>(*this,a1);
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}
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template <typename T, typename Arg1, typename Arg2>
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Emitter2<T,Arg1,Arg2> MakeEmitter(Arg1 a1, Arg2 a2) {
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return Emitter2<T,Arg1,Arg2>(*this,a1,a2);
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}
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//==------------------------------------------------==//
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// Misc. query and block/record manipulation methods.
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//==------------------------------------------------==//
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bool isRegistered(const void* p) const;
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void FlushRecord() { if (inRecord()) EmitRecord(); }
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void EnterBlock(unsigned BlockID = 8, unsigned CodeLen = 3);
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void ExitBlock();
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private:
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void EmitRecord();
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inline bool inRecord() { return Record.size() > 0; }
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SerializedPtrID getPtrId(const void* ptr);
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};
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} // end namespace llvm
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#endif
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