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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Octave is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_settings_h)
#define octave_settings_h 1
#include "octave-config.h"
#include <cstddef>
class octave_value;
class octave_value_list;
namespace octave
{
// Most settings for the interpreter are stored in the classes which
// they affect (intput_system, output_system, load_path, etc. Some
// don't really fit anywhere else. For example, there is no single
// lexer or parser object, so we store settings for those things
// here.
class settings
{
public:
settings (void);
settings (const settings&) = delete;
settings& operator = (const settings&) = delete;
~settings (void) = default;
octave_value display_tokens (const octave_value_list& args, int nargout);
bool display_tokens (void) const { return m_display_tokens; }
bool display_tokens (bool flag)
{
bool val = m_display_tokens;
m_display_tokens = flag;
return val;
}
// Read only.
size_t token_count (void) const { return m_token_count; }
void increment_token_count (void) { ++m_token_count; }
octave_value lexer_debug_flag (const octave_value_list& args, int nargout);
bool lexer_debug_flag (void) const { return m_lexer_debug_flag; }
bool lexer_debug_flag (bool flag)
{
bool val = m_lexer_debug_flag;
m_lexer_debug_flag = flag;
return val;
}
private:
// Display tokens as they are processed, for debugging.
bool m_display_tokens = false;
// Number of tokens processed since interpreter startup.
size_t m_token_count = 0;
// Internal variable for lexer debugging state.
bool m_lexer_debug_flag = false;
};
}
#endif
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