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 return std::tie(LHS.FID, LHS.Offs) < std::tie(RHS.FID, RHS.Offs);
46 friend bool operator>(FileOffset LHS, FileOffset RHS) {
49 friend bool operator>=(FileOffset LHS, FileOffset RHS) {
52 friend bool operator<=(FileOffset LHS, FileOffset RHS) {
59 } // end namespace clang