add antlr source code and ReadMeHEADmain

1 files changed, 22 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LoopEndState.h b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LoopEndState.h
new file mode 100644
index 0000000..c90efa3
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/LoopEndState.h
@@ -0,0 +1,22 @@
+/* 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/ATNState.h"
+
+namespace antlr4 {
+namespace atn {
+
+  /// Mark the end of a * or + loop.
+  class ANTLR4CPP_PUBLIC LoopEndState final : public ATNState {
+  public:
+    ATNState *loopBackState = nullptr;
+
+    virtual size_t getStateType() override;
+  };
+
+} // namespace atn
+} // namespace antlr4