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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 more} lexer action by calling <seealso cref="Lexer#more"/>.
///
/// <para>The {@code more} command does not have any parameters, so this action is
/// implemented as a singleton instance exposed by <seealso cref="#INSTANCE"/>.</para>
///
/// @author Sam Harwell
/// @since 4.2
/// </summary>
class ANTLR4CPP_PUBLIC LexerMoreAction final : public LexerAction {
public:
/// <summary>
/// Provides a singleton instance of this parameterless lexer action.
/// </summary>
static const Ref<LexerMoreAction> getInstance();
/// <summary>
/// {@inheritDoc} </summary>
/// <returns> This method returns <seealso cref="LexerActionType#MORE"/>. </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#more"/>.</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:
/// Constructs the singleton instance of the lexer {@code more} command.
LexerMoreAction();
};
} // namespace atn
} // namespace antlr4
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