FileLoc.h

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//===-- FileLoc.h ---------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_ASMPARSER_FILELOC_H
#define LLVM_ASMPARSER_FILELOC_H
 
#include <cassert>
#include <utility>
 
namespace llvm {
 
/// Struct holding Line:Column location
struct FileLoc {
  /// 0-based line number
  unsigned Line;
  /// 0-based column number
  unsigned Col;
 
  bool operator==(const FileLoc &RHS) const {
    return Line == RHS.Line && Col == RHS.Col;
  }
 
  bool operator<=(const FileLoc &RHS) const {
    return Line < RHS.Line || (Line == RHS.Line && Col <= RHS.Col);
  }
 
  bool operator<(const FileLoc &RHS) const {
    return Line < RHS.Line || (Line == RHS.Line && Col < RHS.Col);
  }
 
  FileLoc() : Line(0), Col(0) {}
  FileLoc(unsigned L, unsigned C) : Line(L), Col(C) {}
  FileLoc(std::pair<unsigned, unsigned> LC) : Line(LC.first), Col(LC.second) {}
};
 
/// Struct holding a semiopen range [Start; End)
struct FileLocRange {
  FileLoc Start;
  FileLoc End;
 
  FileLocRange() : Start(0, 0), End(0, 0) {}
 
  FileLocRange(FileLoc S, FileLoc E) : Start(S), End(E) {
    assert(Start <= End);
  }
 
  bool contains(FileLoc L) const { return Start <= L && L < End; }
 
  bool contains(FileLocRange LR) const {
    return Start <= LR.Start && LR.End <= End;
  }
};
 
} // namespace llvm
 
#endif