//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#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;
- bool inBlock;
+ unsigned BlockLevel;
+
+ typedef DenseMap<const void*,unsigned> MapTy;
+ MapTy PtrMap;
+
public:
- Serializer(BitstreamWriter& stream, unsigned BlockID = 0);
+ explicit Serializer(BitstreamWriter& stream);
~Serializer();
+
+ //==------------------------------------------------==//
+ // Template-based dispatch to emit arbitrary types.
+ //==------------------------------------------------==//
- template <typename T>
+ template <typename T>
inline void Emit(const T& X) { SerializeTrait<T>::Emit(*this,X); }
- void EmitInt(unsigned X);
- void EmitBool(bool X) { EmitInt(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 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);
+ }
- void Flush() { if (inRecord()) EmitRecord(); }
+ 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; }
+ inline bool inRecord() { return Record.size() > 0; }
+ SerializedPtrID getPtrId(const void* ptr);
};
} // end namespace llvm
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