diff options
Diffstat (limited to 'contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h')
-rw-r--r-- | contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h b/contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h index 59bab03..2aa9a3d 100644 --- a/contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h +++ b/contrib/llvm/tools/clang/include/clang/AST/VTableBuilder.h @@ -34,16 +34,16 @@ public: CK_OffsetToTop, CK_RTTI, CK_FunctionPointer, - + /// CK_CompleteDtorPointer - A pointer to the complete destructor. CK_CompleteDtorPointer, - + /// CK_DeletingDtorPointer - A pointer to the deleting destructor. CK_DeletingDtorPointer, - + /// CK_UnusedFunctionPointer - In some cases, a vtable function pointer /// will end up never being called. Such vtable function pointers are - /// represented as a CK_UnusedFunctionPointer. + /// represented as a CK_UnusedFunctionPointer. CK_UnusedFunctionPointer }; @@ -60,34 +60,34 @@ public: static VTableComponent MakeOffsetToTop(CharUnits Offset) { return VTableComponent(CK_OffsetToTop, Offset); } - + static VTableComponent MakeRTTI(const CXXRecordDecl *RD) { return VTableComponent(CK_RTTI, reinterpret_cast<uintptr_t>(RD)); } static VTableComponent MakeFunction(const CXXMethodDecl *MD) { - assert(!isa<CXXDestructorDecl>(MD) && + assert(!isa<CXXDestructorDecl>(MD) && "Don't use MakeFunction with destructors!"); - return VTableComponent(CK_FunctionPointer, + return VTableComponent(CK_FunctionPointer, reinterpret_cast<uintptr_t>(MD)); } - + static VTableComponent MakeCompleteDtor(const CXXDestructorDecl *DD) { return VTableComponent(CK_CompleteDtorPointer, reinterpret_cast<uintptr_t>(DD)); } static VTableComponent MakeDeletingDtor(const CXXDestructorDecl *DD) { - return VTableComponent(CK_DeletingDtorPointer, + return VTableComponent(CK_DeletingDtorPointer, reinterpret_cast<uintptr_t>(DD)); } static VTableComponent MakeUnusedFunction(const CXXMethodDecl *MD) { - assert(!isa<CXXDestructorDecl>(MD) && + assert(!isa<CXXDestructorDecl>(MD) && "Don't use MakeUnusedFunction with destructors!"); return VTableComponent(CK_UnusedFunctionPointer, - reinterpret_cast<uintptr_t>(MD)); + reinterpret_cast<uintptr_t>(MD)); } static VTableComponent getFromOpaqueInteger(uint64_t I) { @@ -101,88 +101,88 @@ public: CharUnits getVCallOffset() const { assert(getKind() == CK_VCallOffset && "Invalid component kind!"); - + return getOffset(); } CharUnits getVBaseOffset() const { assert(getKind() == CK_VBaseOffset && "Invalid component kind!"); - + return getOffset(); } CharUnits getOffsetToTop() const { assert(getKind() == CK_OffsetToTop && "Invalid component kind!"); - + return getOffset(); } - + const CXXRecordDecl *getRTTIDecl() const { assert(getKind() == CK_RTTI && "Invalid component kind!"); - + return reinterpret_cast<CXXRecordDecl *>(getPointer()); } - + const CXXMethodDecl *getFunctionDecl() const { assert(getKind() == CK_FunctionPointer); - + return reinterpret_cast<CXXMethodDecl *>(getPointer()); } const CXXDestructorDecl *getDestructorDecl() const { assert((getKind() == CK_CompleteDtorPointer || getKind() == CK_DeletingDtorPointer) && "Invalid component kind!"); - + return reinterpret_cast<CXXDestructorDecl *>(getPointer()); } const CXXMethodDecl *getUnusedFunctionDecl() const { assert(getKind() == CK_UnusedFunctionPointer); - + return reinterpret_cast<CXXMethodDecl *>(getPointer()); } - + private: VTableComponent(Kind ComponentKind, CharUnits Offset) { - assert((ComponentKind == CK_VCallOffset || + assert((ComponentKind == CK_VCallOffset || ComponentKind == CK_VBaseOffset || ComponentKind == CK_OffsetToTop) && "Invalid component kind!"); assert(Offset.getQuantity() <= ((1LL << 56) - 1) && "Offset is too big!"); - + Value = ((Offset.getQuantity() << 3) | ComponentKind); } VTableComponent(Kind ComponentKind, uintptr_t Ptr) { - assert((ComponentKind == CK_RTTI || + assert((ComponentKind == CK_RTTI || ComponentKind == CK_FunctionPointer || ComponentKind == CK_CompleteDtorPointer || ComponentKind == CK_DeletingDtorPointer || ComponentKind == CK_UnusedFunctionPointer) && "Invalid component kind!"); - + assert((Ptr & 7) == 0 && "Pointer not sufficiently aligned!"); - + Value = Ptr | ComponentKind; } - + CharUnits getOffset() const { assert((getKind() == CK_VCallOffset || getKind() == CK_VBaseOffset || getKind() == CK_OffsetToTop) && "Invalid component kind!"); - + return CharUnits::fromQuantity(Value >> 3); } uintptr_t getPointer() const { - assert((getKind() == CK_RTTI || + assert((getKind() == CK_RTTI || getKind() == CK_FunctionPointer || getKind() == CK_CompleteDtorPointer || getKind() == CK_DeletingDtorPointer || getKind() == CK_UnusedFunctionPointer) && "Invalid component kind!"); - + return static_cast<uintptr_t>(Value & ~7ULL); } - + explicit VTableComponent(uint64_t Value) : Value(Value) { } @@ -210,7 +210,7 @@ private: /// VTableThunks - Contains thunks needed by vtables. uint64_t NumVTableThunks; VTableThunkTy *VTableThunks; - + /// Address points - Address points for all vtables. AddressPointsMapTy AddressPoints; @@ -265,10 +265,10 @@ class VTableContext { ASTContext &Context; public: - typedef SmallVector<std::pair<uint64_t, ThunkInfo>, 1> + typedef SmallVector<std::pair<uint64_t, ThunkInfo>, 1> VTableThunksTy; typedef SmallVector<ThunkInfo, 1> ThunkInfoVectorTy; - + private: /// MethodVTableIndices - Contains the index (relative to the vtable address /// point) where the function pointer for a virtual function is stored. @@ -279,22 +279,22 @@ private: VTableLayoutMapTy; VTableLayoutMapTy VTableLayouts; - /// NumVirtualFunctionPointers - Contains the number of virtual function + /// NumVirtualFunctionPointers - Contains the number of virtual function /// pointers in the vtable for a given record decl. llvm::DenseMap<const CXXRecordDecl *, uint64_t> NumVirtualFunctionPointers; typedef std::pair<const CXXRecordDecl *, const CXXRecordDecl *> ClassPairTy; - /// VirtualBaseClassOffsetOffsets - Contains the vtable offset (relative to + /// VirtualBaseClassOffsetOffsets - Contains the vtable offset (relative to /// the address point) in chars where the offsets for virtual bases of a class /// are stored. - typedef llvm::DenseMap<ClassPairTy, CharUnits> + typedef llvm::DenseMap<ClassPairTy, CharUnits> VirtualBaseClassOffsetOffsetsMapTy; VirtualBaseClassOffsetOffsetsMapTy VirtualBaseClassOffsetOffsets; typedef llvm::DenseMap<const CXXMethodDecl *, ThunkInfoVectorTy> ThunksMapTy; - + /// Thunks - Contains all thunks that a given method decl will need. ThunksMapTy Thunks; @@ -312,7 +312,7 @@ public: const VTableLayout &getVTableLayout(const CXXRecordDecl *RD) { ComputeVTableRelatedInformation(RD); assert(VTableLayouts.count(RD) && "No layout for this record decl!"); - + return *VTableLayouts[RD]; } @@ -337,14 +337,14 @@ public: /// getNumVirtualFunctionPointers - Return the number of virtual function /// pointers in the vtable for a given record decl. uint64_t getNumVirtualFunctionPointers(const CXXRecordDecl *RD); - + /// getMethodVTableIndex - Return the index (relative to the vtable address /// point) where the function pointer for the given virtual function is /// stored. uint64_t getMethodVTableIndex(GlobalDecl GD); /// getVirtualBaseOffsetOffset - Return the offset in chars (relative to the - /// vtable address point) where the offset of the virtual base that contains + /// vtable address point) where the offset of the virtual base that contains /// the given base is stored, otherwise, if no virtual base contains the given /// class, return 0. Base must be a virtual base class or an unambigious /// base. |