#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) {
if (LHS.FID != RHS.FID)
return LHS.FID < RHS.FID;
return LHS.Offs < RHS.Offs;
}
friend bool operator>(FileOffset LHS, FileOffset RHS) {
if (LHS.FID != RHS.FID)
return LHS.FID > RHS.FID;
return LHS.Offs > RHS.Offs;
}
friend bool operator>=(FileOffset LHS, FileOffset RHS) {
return LHS > RHS || LHS == RHS;
}
friend bool operator<=(FileOffset LHS, FileOffset RHS) {
return LHS < RHS || LHS == RHS;
}
};
}
}
#endif