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1 files changed, 57 insertions, 0 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/atn/LexerModeAction.h b/contrib/libs/antlr4_cpp_runtime/src/atn/LexerModeAction.h
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+++ b/contrib/libs/antlr4_cpp_runtime/src/atn/LexerModeAction.h
@@ -0,0 +1,57 @@
+/* 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:
+    static bool is(const LexerAction &lexerAction) { return lexerAction.getActionType() == LexerActionType::MODE; }
+
+    static bool is(const LexerAction *lexerAction) { return lexerAction != nullptr && is(*lexerAction); }
+
+    /// <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>
+    explicit 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() const { return _mode; }
+
+    /// <summary>
+    /// {@inheritDoc}
+    ///
+    /// <para>This action is implemented by calling <seealso cref="Lexer#mode"/> with the
+    /// value provided by <seealso cref="#getMode"/>.</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:
+    const int _mode;
+  };
+
+} // namespace atn
+} // namespace antlr4