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