add antlr

lib/antlr4/include/atn/StarLoopEntryState.h

@@ -0,0 +1,35 @@
+/* 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 {
+
+  class ANTLR4CPP_PUBLIC StarLoopEntryState final : public DecisionState {
+  public:
+    StarLoopEntryState();
+
+    /**
+     * Indicates whether this state can benefit from a precedence DFA during SLL
+     * decision making.
+     *
+     * <p>This is a computed property that is calculated during ATN deserialization
+     * and stored for use in {@link ParserATNSimulator} and
+     * {@link ParserInterpreter}.</p>
+     *
+     * @see DFA#isPrecedenceDfa()
+     */
+    bool isPrecedenceDecision = false;
+
+    StarLoopbackState *loopBackState = nullptr;
+
+    virtual size_t getStateType() override;
+  };
+
+} // namespace atn
+} // namespace antlr4