1 //===----- FileOffset.h - Offset in a file ----------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_CLANG_EDIT_FILEOFFSET_H
11 #define LLVM_CLANG_EDIT_FILEOFFSET_H
13 #include "clang/Basic/SourceLocation.h"
23 FileOffset() : Offs(0) { }
24 FileOffset(FileID fid, unsigned offs) : FID(fid), Offs(offs) { }
26 bool isInvalid() const { return FID.isInvalid(); }
28 FileID getFID() const { return FID; }
29 unsigned getOffset() const { return Offs; }
31 FileOffset getWithOffset(unsigned offset) const {
32 FileOffset NewOffs = *this;
33 NewOffs.Offs += offset;
37 friend bool operator==(FileOffset LHS, FileOffset RHS) {
38 return LHS.FID == RHS.FID && LHS.Offs == RHS.Offs;
40 friend bool operator!=(FileOffset LHS, FileOffset RHS) {
43 friend bool operator<(FileOffset LHS, FileOffset RHS) {
44 if (LHS.FID != RHS.FID)
45 return LHS.FID < RHS.FID;
46 return LHS.Offs < RHS.Offs;
48 friend bool operator>(FileOffset LHS, FileOffset RHS) {
49 if (LHS.FID != RHS.FID)
50 return LHS.FID > RHS.FID;
51 return LHS.Offs > RHS.Offs;
53 friend bool operator>=(FileOffset LHS, FileOffset RHS) {
54 return LHS > RHS || LHS == RHS;
56 friend bool operator<=(FileOffset LHS, FileOffset RHS) {
57 return LHS < RHS || LHS == RHS;
63 } // end namespace clang