56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
|
/* 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 skip} lexer action by calling <seealso cref="Lexer#skip"/>.
|
||
|
|
///
|
||
|
|
/// <para>The {@code skip} 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 LexerSkipAction final : public LexerAction {
|
||
|
|
public:
|
||
|
|
/// Provides a singleton instance of this parameterless lexer action.
|
||
|
|
static const Ref<LexerSkipAction> getInstance();
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// {@inheritDoc} </summary>
|
||
|
|
/// <returns> This method returns <seealso cref="LexerActionType#SKIP"/>. </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#skip"/>.</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 skip} command.
|
||
|
|
LexerSkipAction();
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace atn
|
||
|
|
} // namespace antlr4
|