| //===----- FileOffset.h - Offset in a file ----------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_EDIT_FILEOFFSET_H |
| #define LLVM_CLANG_EDIT_FILEOFFSET_H |
| |
| #include "clang/Basic/SourceLocation.h" |
| |
| namespace clang { |
| |
| namespace edit { |
| |
| class FileOffset { |
| FileID FID; |
| unsigned Offs; |
| public: |
| FileOffset() : Offs(0) { } |
| FileOffset(FileID fid, unsigned offs) : FID(fid), Offs(offs) { } |
| |
| bool isInvalid() const { return FID.isInvalid(); } |
| |
| FileID getFID() const { return FID; } |
| unsigned getOffset() const { return Offs; } |
| |
| FileOffset getWithOffset(unsigned offset) const { |
| FileOffset NewOffs = *this; |
| NewOffs.Offs += offset; |
| return NewOffs; |
| } |
| |
| friend bool operator==(FileOffset LHS, FileOffset RHS) { |
| return LHS.FID == RHS.FID && LHS.Offs == RHS.Offs; |
| } |
| friend bool operator!=(FileOffset LHS, FileOffset RHS) { |
| return !(LHS == RHS); |
| } |
| friend bool operator<(FileOffset LHS, FileOffset RHS) { |
| return std::tie(LHS.FID, LHS.Offs) < std::tie(RHS.FID, RHS.Offs); |
| } |
| friend bool operator>(FileOffset LHS, FileOffset RHS) { |
| return RHS < LHS; |
| } |
| friend bool operator>=(FileOffset LHS, FileOffset RHS) { |
| return !(LHS < RHS); |
| } |
| friend bool operator<=(FileOffset LHS, FileOffset RHS) { |
| return !(RHS < LHS); |
| } |
| }; |
| |
| } |
| |
| } // end namespace clang |
| |
| #endif |