1234287Sdim//===----- FileOffset.h - Offset in a file ----------------------*- C++ -*-===// 2234287Sdim// 3234287Sdim// The LLVM Compiler Infrastructure 4234287Sdim// 5234287Sdim// This file is distributed under the University of Illinois Open Source 6234287Sdim// License. See LICENSE.TXT for details. 7234287Sdim// 8234287Sdim//===----------------------------------------------------------------------===// 9234287Sdim 10234287Sdim#ifndef LLVM_CLANG_EDIT_FILEOFFSET_H 11234287Sdim#define LLVM_CLANG_EDIT_FILEOFFSET_H 12234287Sdim 13234287Sdim#include "clang/Basic/SourceLocation.h" 14234287Sdim 15234287Sdimnamespace clang { 16234287Sdim 17234287Sdimnamespace edit { 18234287Sdim 19234287Sdimclass FileOffset { 20234287Sdim FileID FID; 21234287Sdim unsigned Offs; 22234287Sdimpublic: 23234287Sdim FileOffset() : Offs(0) { } 24234287Sdim FileOffset(FileID fid, unsigned offs) : FID(fid), Offs(offs) { } 25234287Sdim 26234287Sdim bool isInvalid() const { return FID.isInvalid(); } 27234287Sdim 28234287Sdim FileID getFID() const { return FID; } 29234287Sdim unsigned getOffset() const { return Offs; } 30234287Sdim 31234287Sdim FileOffset getWithOffset(unsigned offset) const { 32234287Sdim FileOffset NewOffs = *this; 33234287Sdim NewOffs.Offs += offset; 34234287Sdim return NewOffs; 35234287Sdim } 36234287Sdim 37234287Sdim friend bool operator==(FileOffset LHS, FileOffset RHS) { 38234287Sdim return LHS.FID == RHS.FID && LHS.Offs == RHS.Offs; 39234287Sdim } 40234287Sdim friend bool operator!=(FileOffset LHS, FileOffset RHS) { 41234287Sdim return !(LHS == RHS); 42234287Sdim } 43234287Sdim friend bool operator<(FileOffset LHS, FileOffset RHS) { 44234287Sdim if (LHS.FID != RHS.FID) 45234287Sdim return LHS.FID < RHS.FID; 46234287Sdim return LHS.Offs < RHS.Offs; 47234287Sdim } 48234287Sdim friend bool operator>(FileOffset LHS, FileOffset RHS) { 49234287Sdim if (LHS.FID != RHS.FID) 50234287Sdim return LHS.FID > RHS.FID; 51234287Sdim return LHS.Offs > RHS.Offs; 52234287Sdim } 53234287Sdim friend bool operator>=(FileOffset LHS, FileOffset RHS) { 54234287Sdim return LHS > RHS || LHS == RHS; 55234287Sdim } 56234287Sdim friend bool operator<=(FileOffset LHS, FileOffset RHS) { 57234287Sdim return LHS < RHS || LHS == RHS; 58234287Sdim } 59234287Sdim}; 60234287Sdim 61234287Sdim} 62234287Sdim 63234287Sdim} // end namespace clang 64234287Sdim 65234287Sdim#endif 66