// Copyright 2008 Google LLC
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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#ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__
#define COMMON_DWARF_LINE_STATE_MACHINE_H__

#include <stdint.h>

namespace google_breakpad {

// This is the format of a DWARF2/3 line state machine that we process
// opcodes using.  There is no need for anything outside the lineinfo
// processor to know how this works.
struct LineStateMachine {
  void Reset(bool default_is_stmt) {
    file_num = 1;
    address = 0;
    line_num = 1;
    column_num = 0;
    is_stmt = default_is_stmt;
    basic_block = false;
    end_sequence = false;
  }

  uint32_t file_num;
  uint64_t address;
  uint32_t line_num;
  uint32_t column_num;
  bool is_stmt;  // stmt means statement.
  bool basic_block;
  bool end_sequence;
};

}  // namespace google_breakpad


#endif  // COMMON_DWARF_LINE_STATE_MACHINE_H__
