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1 files changed, 51 insertions, 0 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/atn/LexerSkipAction.h b/contrib/libs/antlr4_cpp_runtime/src/atn/LexerSkipAction.h
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+++ b/contrib/libs/antlr4_cpp_runtime/src/atn/LexerSkipAction.h
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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 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:
+    static bool is(const LexerAction &lexerAction) { return lexerAction.getActionType() == LexerActionType::SKIP; }
+
+    static bool is(const LexerAction *lexerAction) { return lexerAction != nullptr && is(*lexerAction); }
+
+    /// Provides a singleton instance of this parameterless lexer action.
+    static const Ref<const LexerSkipAction>& getInstance();
+
+    /// <summary>
+    /// {@inheritDoc}
+    ///
+    /// <para>This action is implemented by calling <seealso cref="Lexer#skip"/>.</para>
+    /// </summary>
+    void execute(Lexer *lexer) const override;
+
+    bool equals(const LexerAction &obj) const override;
+    std::string toString() const override;
+
+  protected:
+    size_t hashCodeImpl() const override;
+
+  private:
+    /// Constructs the singleton instance of the lexer {@code skip} command.
+    LexerSkipAction() : LexerAction(LexerActionType::SKIP, false) {}
+  };
+
+} // namespace atn
+} // namespace antlr4