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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
#pragma once
#include "atn/LexerAction.h"
#include "atn/LexerActionType.h"
namespace antlr4 {
namespace atn {
/// <summary>
/// Implements the {@code mode} lexer action by calling <seealso cref="Lexer#mode"/> with
/// the assigned mode.
///
/// @author Sam Harwell
/// @since 4.2
/// </summary>
class ANTLR4CPP_PUBLIC LexerModeAction final : public LexerAction {
public:
/// <summary>
/// Constructs a new {@code mode} action with the specified mode value. </summary>
/// <param name="mode"> The mode value to pass to <seealso cref="Lexer#mode"/>. </param>
LexerModeAction(int mode);
/// <summary>
/// Get the lexer mode this action should transition the lexer to.
/// </summary>
/// <returns> The lexer mode for this {@code mode} command. </returns>
int getMode();
/// <summary>
/// {@inheritDoc} </summary>
/// <returns> This method returns <seealso cref="LexerActionType#MODE"/>. </returns>
virtual LexerActionType getActionType() const override;
/// <summary>
/// {@inheritDoc} </summary>
/// <returns> This method returns {@code false}. </returns>
virtual bool isPositionDependent() const override;
/// <summary>
/// {@inheritDoc}
///
/// <para>This action is implemented by calling <seealso cref="Lexer#mode"/> with the
/// value provided by <seealso cref="#getMode"/>.</para>
/// </summary>
virtual void execute(Lexer *lexer) override;
virtual size_t hashCode() const override;
virtual bool operator == (const LexerAction &obj) const override;
virtual std::string toString() const override;
private:
const int _mode;
};
} // namespace atn
} // namespace antlr4
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