add antlr

lib/antlr4/include/atn/ATNSerializer.h

@@ -0,0 +1,61 @@
+/* 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
+
+namespace antlr4 {
+namespace atn {
+
+  class ANTLR4CPP_PUBLIC ATNSerializer {
+  public:
+    ATN *atn;
+
+    ATNSerializer(ATN *atn);
+    ATNSerializer(ATN *atn, const std::vector<std::string> &tokenNames);
+    virtual ~ATNSerializer();
+
+    /// <summary>
+    /// Serialize state descriptors, edge descriptors, and decision->state map
+    ///  into list of ints:
+    ///
+    /// 		grammar-type, (ANTLRParser.LEXER, ...)
+    ///  	max token type,
+    ///  	num states,
+    ///  	state-0-type ruleIndex, state-1-type ruleIndex, ... state-i-type
+    ///  ruleIndex optional-arg ...
+    ///  	num rules,
+    ///  	rule-1-start-state rule-1-args, rule-2-start-state  rule-2-args, ...
+    ///  	(args are token type,actionIndex in lexer else 0,0)
+    ///      num modes,
+    ///      mode-0-start-state, mode-1-start-state, ... (parser has 0 modes)
+    ///      num sets
+    ///      set-0-interval-count intervals, set-1-interval-count intervals, ...
+    ///  	num total edges,
+    ///      src, trg, edge-type, edge arg1, optional edge arg2 (present always),
+    ///      ...
+    ///      num decisions,
+    ///      decision-0-start-state, decision-1-start-state, ...
+    ///
+    ///  Convenient to pack into unsigned shorts to make as Java string.
+    /// </summary>
+    virtual std::vector<size_t> serialize();
+
+    virtual std::string decode(const std::wstring& data);
+    virtual std::string getTokenName(size_t t);
+
+    /// Used by Java target to encode short/int array as chars in string.
+    static std::wstring getSerializedAsString(ATN *atn);
+    static std::vector<size_t> getSerialized(ATN *atn);
+
+    static std::string getDecoded(ATN *atn, std::vector<std::string> &tokenNames);
+
+  private:
+    std::vector<std::string> _tokenNames;
+
+    void serializeUUID(std::vector<size_t> &data, Guid uuid);
+  };
+
+} // namespace atn
+} // namespace antlr4