llvm/llvm/include/llvm/Support/SMLoc.h

//===- SMLoc.h - Source location for use with diagnostics -------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file declares the SMLoc class.  This class encapsulates a location in
// source code for use in diagnostics.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_SMLOC_H
#define LLVM_SUPPORT_SMLOC_H

#include <cassert>
#include <optional>

namespace llvm {

/// Represents a location in source code.
class SMLoc { … };

/// Represents a range in source code.
///
/// SMRange is implemented using a half-open range, as is the convention in C++.
/// In the string "abc", the range [1,3) represents the substring "bc", and the
/// range [2,2) represents an empty range between the characters "b" and "c".
class SMRange { … };

} // end namespace llvm

#endif // LLVM_SUPPORT_SMLOC_H