Added antlr4 to exported contribs into github.com/ydb-platform/ydb

4916444b182c044b7cd4c10f838a37a252ea36cf

1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/atn/BlockStartState.h b/contrib/libs/antlr4_cpp_runtime/src/atn/BlockStartState.h
new file mode 100644
index 0000000000..3475115894
--- /dev/null
+++ b/contrib/libs/antlr4_cpp_runtime/src/atn/BlockStartState.h
@@ -0,0 +1,30 @@
+/* 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/DecisionState.h"
+
+namespace antlr4 {
+namespace atn {
+
+  ///  The start of a regular {@code (...)} block.
+  class ANTLR4CPP_PUBLIC BlockStartState : public DecisionState {
+  public:
+    static bool is(const ATNState &atnState) {
+      const auto stateType = atnState.getStateType();
+      return stateType >= ATNStateType::BLOCK_START && stateType <= ATNStateType::STAR_BLOCK_START;
+    }
+
+    static bool is(const ATNState *atnState) { return atnState != nullptr && is(*atnState); }
+
+    BlockEndState *endState = nullptr;
+
+  protected:
+    using DecisionState::DecisionState;
+  };
+
+} // namespace atn
+} // namespace antlr4