line_state_machine.h

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// Copyright 2008 Google Inc. All Rights Reserved.

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#ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__

#define COMMON_DWARF_LINE_STATE_MACHINE_H__

namespace dwarf2reader {

// 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 file_num;

  uint64 address;

  uint32 line_num;

  uint32 column_num;

  bool is_stmt;  // stmt means statement.

  bool basic_block;

  bool end_sequence;

};

}  // namespace dwarf2reader

#endif  // COMMON_DWARF_LINE_STATE_MACHINE_H__