Initial commit

30 files changed, 1833 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/AbstractParseTreeVisitor.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/AbstractParseTreeVisitor.h
new file mode 100644
index 0000000..d21795b
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/AbstractParseTreeVisitor.h
@@ -0,0 +1,128 @@
+/* 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 "tree/ParseTreeVisitor.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ANTLR4CPP_PUBLIC AbstractParseTreeVisitor : public ParseTreeVisitor {
+  public:
+    /// The default implementation calls <seealso cref="ParseTree#accept"/> on the
+    /// specified tree.
+    virtual antlrcpp::Any visit(ParseTree *tree) override {
+      return tree->accept(this);
+    }
+
+    /**
+     * <p>The default implementation initializes the aggregate result to
+     * {@link #defaultResult defaultResult()}. Before visiting each child, it
+     * calls {@link #shouldVisitNextChild shouldVisitNextChild}; if the result
+     * is {@code false} no more children are visited and the current aggregate
+     * result is returned. After visiting a child, the aggregate result is
+     * updated by calling {@link #aggregateResult aggregateResult} with the
+     * previous aggregate result and the result of visiting the child.</p>
+     *
+     * <p>The default implementation is not safe for use in visitors that modify
+     * the tree structure. Visitors that modify the tree should override this
+     * method to behave properly in respect to the specific algorithm in use.</p>
+     */
+    virtual antlrcpp::Any visitChildren(ParseTree *node) override {
+      antlrcpp::Any result = defaultResult();
+      size_t n = node->children.size();
+      for (size_t i = 0; i < n; i++) {
+        if (!shouldVisitNextChild(node, result)) {
+          break;
+        }
+
+        antlrcpp::Any childResult = node->children[i]->accept(this);
+        result = aggregateResult(result, childResult);
+      }
+
+      return result;
+    }
+
+    /// The default implementation returns the result of
+    /// <seealso cref="#defaultResult defaultResult"/>.
+    virtual antlrcpp::Any visitTerminal(TerminalNode * /*node*/) override {
+      return defaultResult();
+    }
+
+    /// The default implementation returns the result of
+    /// <seealso cref="#defaultResult defaultResult"/>.
+    virtual antlrcpp::Any visitErrorNode(ErrorNode * /*node*/) override {
+      return defaultResult();
+    }
+
+  protected:
+    /// <summary>
+    /// Gets the default value returned by visitor methods. This value is
+    /// returned by the default implementations of
+    /// <seealso cref="#visitTerminal visitTerminal"/>, <seealso cref="#visitErrorNode visitErrorNode"/>.
+    /// The default implementation of <seealso cref="#visitChildren visitChildren"/>
+    /// initializes its aggregate result to this value.
+    /// <p/>
+    /// The base implementation returns {@code null}.
+    /// </summary>
+    /// <returns> The default value returned by visitor methods. </returns>
+    virtual antlrcpp::Any defaultResult() {
+      return nullptr; // support isNotNull
+    }
+
+    /// <summary>
+    /// Aggregates the results of visiting multiple children of a node. After
+    /// either all children are visited or <seealso cref="#shouldVisitNextChild"/> returns
+    /// {@code false}, the aggregate value is returned as the result of
+    /// <seealso cref="#visitChildren"/>.
+    /// <p/>
+    /// The default implementation returns {@code nextResult}, meaning
+    /// <seealso cref="#visitChildren"/> will return the result of the last child visited
+    /// (or return the initial value if the node has no children).
+    /// </summary>
+    /// <param name="aggregate"> The previous aggregate value. In the default
+    /// implementation, the aggregate value is initialized to
+    /// <seealso cref="#defaultResult"/>, which is passed as the {@code aggregate} argument
+    /// to this method after the first child node is visited. </param>
+    /// <param name="nextResult"> The result of the immediately preceeding call to visit
+    /// a child node.
+    /// </param>
+    /// <returns> The updated aggregate result. </returns>
+    virtual antlrcpp::Any aggregateResult(antlrcpp::Any /*aggregate*/, const antlrcpp::Any &nextResult) {
+      return nextResult;
+    }
+
+    /// <summary>
+    /// This method is called after visiting each child in
+    /// <seealso cref="#visitChildren"/>. This method is first called before the first
+    /// child is visited; at that point {@code currentResult} will be the initial
+    /// value (in the default implementation, the initial value is returned by a
+    /// call to <seealso cref="#defaultResult"/>. This method is not called after the last
+    /// child is visited.
+    /// <p/>
+    /// The default implementation always returns {@code true}, indicating that
+    /// {@code visitChildren} should only return after all children are visited.
+    /// One reason to override this method is to provide a "short circuit"
+    /// evaluation option for situations where the result of visiting a single
+    /// child has the potential to determine the result of the visit operation as
+    /// a whole.
+    /// </summary>
+    /// <param name="node"> The <seealso cref="ParseTree"/> whose children are currently being
+    /// visited. </param>
+    /// <param name="currentResult"> The current aggregate result of the children visited
+    /// to the current point.
+    /// </param>
+    /// <returns> {@code true} to continue visiting children. Otherwise return
+    /// {@code false} to stop visiting children and immediately return the
+    /// current aggregate result from <seealso cref="#visitChildren"/>. </returns>
+    virtual bool shouldVisitNextChild(ParseTree * /*node*/, const antlrcpp::Any &/*currentResult*/) {
+      return true;
+    }
+
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNode.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNode.h
new file mode 100644
index 0000000..619f44d
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNode.h
@@ -0,0 +1,19 @@
+/* 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 "tree/TerminalNode.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ANTLR4CPP_PUBLIC ErrorNode : public virtual TerminalNode {
+  public:
+    ~ErrorNode() override;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNodeImpl.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNodeImpl.h
new file mode 100644
index 0000000..b64b6f9
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ErrorNodeImpl.h
@@ -0,0 +1,33 @@
+/* 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 "tree/ErrorNode.h"
+#include "tree/TerminalNodeImpl.h"
+#include "misc/Interval.h"
+
+#include "support/Any.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /// <summary>
+  /// Represents a token that was consumed during resynchronization
+  ///  rather than during a valid match operation. For example,
+  ///  we will create this kind of a node during single token insertion
+  ///  and deletion as well as during "consume until error recovery set"
+  ///  upon no viable alternative exceptions.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC ErrorNodeImpl : public virtual TerminalNodeImpl, public virtual ErrorNode {
+  public:
+    ErrorNodeImpl(Token *token);
+    ~ErrorNodeImpl() override;
+
+    virtual antlrcpp::Any accept(ParseTreeVisitor *visitor) override;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/IterativeParseTreeWalker.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/IterativeParseTreeWalker.h
new file mode 100644
index 0000000..8957d87
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/IterativeParseTreeWalker.h
@@ -0,0 +1,53 @@
+/*
+ * [The "BSD license"]
+ *  Copyright (c) 2012 Terence Parr
+ *  Copyright (c) 2012 Sam Harwell
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "antlr4-common.h"
+
+#include "tree/ParseTreeWalker.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ParseTreeListener;
+  
+  /**
+   * An iterative (read: non-recursive) pre-order and post-order tree walker that
+   * doesn't use the thread stack but heap-based stacks. Makes it possible to
+   * process deeply nested parse trees.
+   */
+  class ANTLR4CPP_PUBLIC IterativeParseTreeWalker : public ParseTreeWalker {
+  public:
+    virtual void walk(ParseTreeListener *listener, ParseTree *t) const override;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTree.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTree.h
new file mode 100644
index 0000000..3b91be8
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTree.h
@@ -0,0 +1,102 @@
+/* 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 "support/Any.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /// An interface to access the tree of <seealso cref="RuleContext"/> objects created
+  /// during a parse that makes the data structure look like a simple parse tree.
+  /// This node represents both internal nodes, rule invocations,
+  /// and leaf nodes, token matches.
+  ///
+  /// The payload is either a <seealso cref="Token"/> or a <seealso cref="RuleContext"/> object.
+  // ml: This class unites 4 Java classes: RuleNode, ParseTree, SyntaxTree and Tree.
+  class ANTLR4CPP_PUBLIC ParseTree {
+  public:
+    ParseTree();
+    ParseTree(ParseTree const&) = delete;
+    virtual ~ParseTree() {}
+
+    ParseTree& operator=(ParseTree const&) = delete;
+
+    /// The parent of this node. If the return value is null, then this
+    /// node is the root of the tree.
+    ParseTree *parent;
+
+    /// If we are debugging or building a parse tree for a visitor,
+    /// we need to track all of the tokens and rule invocations associated
+    /// with this rule's context. This is empty for parsing w/o tree constr.
+    /// operation because we don't the need to track the details about
+    /// how we parse this rule.
+    // ml: memory is not managed here, but by the owning class. This is just for the structure.
+    std::vector<ParseTree *> children;
+
+    /// Print out a whole tree, not just a node, in LISP format
+    /// {@code (root child1 .. childN)}. Print just a node if this is a leaf.
+    virtual std::string toStringTree(bool pretty = false) = 0;
+    virtual std::string toString() = 0;
+
+    /// Specialize toStringTree so that it can print out more information
+    /// based upon the parser.
+    virtual std::string toStringTree(Parser *parser, bool pretty = false) = 0;
+
+    virtual bool operator == (const ParseTree &other) const;
+
+    /// The <seealso cref="ParseTreeVisitor"/> needs a double dispatch method.
+    // ml: This has been changed to use Any instead of a template parameter, to avoid the need of a virtual template function.
+    virtual antlrcpp::Any accept(ParseTreeVisitor *visitor) = 0;
+
+    /// Return the combined text of all leaf nodes. Does not get any
+    /// off-channel tokens (if any) so won't return whitespace and
+    /// comments if they are sent to parser on hidden channel.
+    virtual std::string getText() = 0;
+
+    /**
+     * Return an {@link Interval} indicating the index in the
+     * {@link TokenStream} of the first and last token associated with this
+     * subtree. If this node is a leaf, then the interval represents a single
+     * token and has interval i..i for token index i.
+     *
+     * <p>An interval of i..i-1 indicates an empty interval at position
+     * i in the input stream, where 0 &lt;= i &lt;= the size of the input
+     * token stream.  Currently, the code base can only have i=0..n-1 but
+     * in concept one could have an empty interval after EOF. </p>
+     *
+     * <p>If source interval is unknown, this returns {@link Interval#INVALID}.</p>
+     *
+     * <p>As a weird special case, the source interval for rules matched after
+     * EOF is unspecified.</p>
+     */
+    virtual misc::Interval getSourceInterval() = 0;
+  };
+
+  // A class to help managing ParseTree instances without the need of a shared_ptr.
+  class ANTLR4CPP_PUBLIC ParseTreeTracker {
+  public:
+    template<typename T, typename ... Args>
+    T* createInstance(Args&& ... args) {
+      static_assert(std::is_base_of<ParseTree, T>::value, "Argument must be a parse tree type");
+      T* result = new T(args...);
+      _allocated.push_back(result);
+      return result;
+    }
+
+    void reset() {
+      for (auto * entry : _allocated)
+        delete entry;
+      _allocated.clear();
+    }
+
+  private:
+    std::vector<ParseTree *> _allocated;
+  };
+
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeListener.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeListener.h
new file mode 100644
index 0000000..6a7f96a
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeListener.h
@@ -0,0 +1,39 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /** This interface describes the minimal core of methods triggered
+   *  by {@link ParseTreeWalker}. E.g.,
+   *
+   *  	ParseTreeWalker walker = new ParseTreeWalker();
+   *		walker.walk(myParseTreeListener, myParseTree); <-- triggers events in your listener
+   *
+   *  If you want to trigger events in multiple listeners during a single
+   *  tree walk, you can use the ParseTreeDispatcher object available at
+   *
+   * 		https://github.com/antlr/antlr4/issues/841
+   */
+  class ANTLR4CPP_PUBLIC ParseTreeListener {
+  public:
+    virtual ~ParseTreeListener();
+
+    virtual void visitTerminal(TerminalNode *node) = 0;
+    virtual void visitErrorNode(ErrorNode *node) = 0;
+    virtual void enterEveryRule(ParserRuleContext *ctx) = 0;
+    virtual void exitEveryRule(ParserRuleContext *ctx) = 0;
+
+    bool operator == (const ParseTreeListener &other) {
+      return this == &other;
+    }
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeProperty.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeProperty.h
new file mode 100644
index 0000000..8669a10
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeProperty.h
@@ -0,0 +1,50 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /// <summary>
+  /// Associate a property with a parse tree node. Useful with parse tree listeners
+  /// that need to associate values with particular tree nodes, kind of like
+  /// specifying a return value for the listener event method that visited a
+  /// particular node. Example:
+  ///
+  /// <pre>
+  /// ParseTreeProperty&lt;Integer&gt; values = new ParseTreeProperty&lt;Integer&gt;();
+  /// values.put(tree, 36);
+  /// int x = values.get(tree);
+  /// values.removeFrom(tree);
+  /// </pre>
+  ///
+  /// You would make one decl (values here) in the listener and use lots of times
+  /// in your event methods.
+  /// </summary>
+  template<typename V>
+  class ANTLR4CPP_PUBLIC ParseTreeProperty {
+  public:
+    virtual ~ParseTreeProperty() {}
+    virtual V get(ParseTree *node) {
+      return _annotations[node];
+    }
+    virtual void put(ParseTree *node, V value) {
+      _annotations[node] = value;
+    }
+    virtual V removeFrom(ParseTree *node) {
+      auto value = _annotations[node];
+      _annotations.erase(node);
+      return value;
+    }
+
+  protected:
+    std::map<ParseTree*, V> _annotations;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeVisitor.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeVisitor.h
new file mode 100644
index 0000000..5a08599
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeVisitor.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 "support/Any.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /// <summary>
+  /// This interface defines the basic notion of a parse tree visitor. Generated
+  /// visitors implement this interface and the {@code XVisitor} interface for
+  /// grammar {@code X}.
+  /// </summary>
+  /// @param <T> The return type of the visit operation. Use <seealso cref="Void"/> for
+  /// operations with no return type. </param>
+  // ml: no template parameter here, to avoid the need for virtual template functions. Instead we have our Any class.
+  class ANTLR4CPP_PUBLIC ParseTreeVisitor {
+  public:
+    virtual ~ParseTreeVisitor();
+
+    /// <summary>
+    /// Visit a parse tree, and return a user-defined result of the operation.
+    /// </summary>
+    /// <param name="tree"> The <seealso cref="ParseTree"/> to visit. </param>
+    /// <returns> The result of visiting the parse tree. </returns>
+    virtual antlrcpp::Any visit(ParseTree *tree) = 0;
+
+    /// <summary>
+    /// Visit the children of a node, and return a user-defined result of the
+    /// operation.
+    /// </summary>
+    /// <param name="node"> The <seealso cref="ParseTree"/> whose children should be visited. </param>
+    /// <returns> The result of visiting the children of the node. </returns>
+    virtual antlrcpp::Any visitChildren(ParseTree *node) = 0;
+
+    /// <summary>
+    /// Visit a terminal node, and return a user-defined result of the operation.
+    /// </summary>
+    /// <param name="node"> The <seealso cref="TerminalNode"/> to visit. </param>
+    /// <returns> The result of visiting the node. </returns>
+    virtual antlrcpp::Any visitTerminal(TerminalNode *node) = 0;
+
+    /// <summary>
+    /// Visit an error node, and return a user-defined result of the operation.
+    /// </summary>
+    /// <param name="node"> The <seealso cref="ErrorNode"/> to visit. </param>
+    /// <returns> The result of visiting the node. </returns>
+    virtual antlrcpp::Any visitErrorNode(ErrorNode *node) = 0;
+
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeWalker.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeWalker.h
new file mode 100644
index 0000000..166ad80
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/ParseTreeWalker.h
@@ -0,0 +1,55 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ANTLR4CPP_PUBLIC ParseTreeWalker {
+  public:
+    static ParseTreeWalker &DEFAULT;
+
+    virtual ~ParseTreeWalker();
+    
+    /**
+    * <summary>
+    * Performs a walk on the given parse tree starting at the root and going down recursively
+	* with depth-first search. On each node, <seealso cref="ParseTreeWalker#enterRule"/> is called before
+    * recursively walking down into child nodes, then
+    * <seealso cref="ParseTreeWalker#exitRule"/> is called after the recursive call to wind up.
+	* </summary>
+    * <param name='listener'> The listener used by the walker to process grammar rules </param>
+	* <param name='t'> The parse tree to be walked on </param>
+    */
+    virtual void walk(ParseTreeListener *listener, ParseTree *t) const;
+
+  protected:
+    
+    /**
+    * <summary>
+    * Enters a grammar rule by first triggering the generic event <seealso cref="ParseTreeListener#enterEveryRule"/>
+	* then by triggering the event specific to the given parse tree node
+	* </summary>
+    * <param name='listener'> The listener responding to the trigger events </param>
+	* <param name='r'> The grammar rule containing the rule context </param>
+    */
+    virtual void enterRule(ParseTreeListener *listener, ParseTree *r) const;
+    
+    /**
+    * <summary>
+    * Exits a grammar rule by first triggering the event specific to the given parse tree node
+	* then by triggering the generic event <seealso cref="ParseTreeListener#exitEveryRule"/>
+	* </summary>
+    * <param name='listener'> The listener responding to the trigger events </param>
+	* <param name='r'> The grammar rule containing the rule context </param>
+    */
+    virtual void exitRule(ParseTreeListener *listener, ParseTree *r) const;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNode.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNode.h
new file mode 100644
index 0000000..7108f70
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNode.h
@@ -0,0 +1,32 @@
+/* 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 "tree/ParseTree.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ANTLR4CPP_PUBLIC TerminalNode : public ParseTree {
+  public:
+    ~TerminalNode() override;
+
+    virtual Token* getSymbol() = 0;
+
+    /** Set the parent for this leaf node.
+     *
+     *  Technically, this is not backward compatible as it changes
+     *  the interface but no one was able to create custom
+     *  TerminalNodes anyway so I'm adding as it improves internal
+     *  code quality.
+     *
+     *  @since 4.7
+     */
+    virtual void setParent(RuleContext *parent) = 0;
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNodeImpl.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNodeImpl.h
new file mode 100644
index 0000000..6f65d82
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/TerminalNodeImpl.h
@@ -0,0 +1,33 @@
+/* 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 "tree/TerminalNode.h"
+
+namespace antlr4 {
+namespace tree {
+
+  class ANTLR4CPP_PUBLIC TerminalNodeImpl : public virtual TerminalNode {
+  public:
+    Token *symbol;
+
+    TerminalNodeImpl(Token *symbol);
+
+    virtual Token* getSymbol() override;
+    virtual void setParent(RuleContext *parent) override;
+    virtual misc::Interval getSourceInterval() override;
+
+    virtual antlrcpp::Any accept(ParseTreeVisitor *visitor) override;
+
+    virtual std::string getText() override;
+    virtual std::string toStringTree(Parser *parser, bool pretty = false) override;
+    virtual std::string toString() override;
+    virtual std::string toStringTree(bool pretty = false) override;
+
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/Trees.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/Trees.h
new file mode 100644
index 0000000..d9d0462
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/Trees.h
@@ -0,0 +1,78 @@
+/* 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 "tree/TerminalNode.h"
+#include "ParserRuleContext.h"
+#include "Recognizer.h"
+
+namespace antlr4 {
+namespace tree {
+
+  /// A set of utility routines useful for all kinds of ANTLR trees.
+  class ANTLR4CPP_PUBLIC Trees {
+  public:
+    /// Print out a whole tree in LISP form. getNodeText is used on the
+    /// node payloads to get the text for the nodes.  Detect
+    /// parse trees and extract data appropriately.
+    static std::string toStringTree(ParseTree *t, bool pretty = false);
+
+    /// Print out a whole tree in LISP form. getNodeText is used on the
+    ///  node payloads to get the text for the nodes.  Detect
+    ///  parse trees and extract data appropriately.
+    static std::string toStringTree(ParseTree *t, Parser *recog, bool pretty = false);
+
+    /// Print out a whole tree in LISP form. getNodeText is used on the
+    /// node payloads to get the text for the nodes.  Detect
+    /// parse trees and extract data appropriately.
+    static std::string toStringTree(ParseTree *t, const std::vector<std::string> &ruleNames, bool pretty = false);
+    static std::string getNodeText(ParseTree *t, Parser *recog);
+    static std::string getNodeText(ParseTree *t, const std::vector<std::string> &ruleNames);
+
+    /// Return a list of all ancestors of this node.  The first node of
+    ///  list is the root and the last is the parent of this node.
+    static std::vector<ParseTree *> getAncestors(ParseTree *t);
+
+    /** Return true if t is u's parent or a node on path to root from u.
+     *  Use == not equals().
+     *
+     *  @since 4.5.1
+     */
+    static bool isAncestorOf(ParseTree *t, ParseTree *u);
+    static std::vector<ParseTree *> findAllTokenNodes(ParseTree *t, size_t ttype);
+    static std::vector<ParseTree *> findAllRuleNodes(ParseTree *t, size_t ruleIndex);
+    static std::vector<ParseTree *> findAllNodes(ParseTree *t, size_t index, bool findTokens);
+
+    /** Get all descendents; includes t itself.
+     *
+     * @since 4.5.1
+     */
+    static std::vector<ParseTree *> getDescendants(ParseTree *t);
+
+    /** @deprecated */
+    static std::vector<ParseTree *> descendants(ParseTree *t);
+
+    /** Find smallest subtree of t enclosing range startTokenIndex..stopTokenIndex
+     *  inclusively using postorder traversal.  Recursive depth-first-search.
+     *
+     *  @since 4.5.1
+     */
+    static ParserRuleContext* getRootOfSubtreeEnclosingRegion(ParseTree *t,
+                                                              size_t startTokenIndex, // inclusive
+                                                              size_t stopTokenIndex); // inclusive
+
+    /** Return first node satisfying the pred
+     *
+     *  @since 4.5.1
+     */
+    static ParseTree* findNodeSuchThat(ParseTree *t, Ref<misc::Predicate> const& pred);
+
+  private:
+    Trees();
+  };
+
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/Chunk.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/Chunk.h
new file mode 100644
index 0000000..42e7838
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/Chunk.h
@@ -0,0 +1,44 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// A chunk is either a token tag, a rule tag, or a span of literal text within a
+  /// tree pattern.
+  /// <p/>
+  /// The method <seealso cref="ParseTreePatternMatcher#split(String)"/> returns a list of
+  /// chunks in preparation for creating a token stream by
+  /// <seealso cref="ParseTreePatternMatcher#tokenize(String)"/>. From there, we get a parse
+  /// tree from with <seealso cref="ParseTreePatternMatcher#compile(String, int)"/>. These
+  /// chunks are converted to <seealso cref="RuleTagToken"/>, <seealso cref="TokenTagToken"/>, or the
+  /// regular tokens of the text surrounding the tags.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC Chunk {
+  public:
+    Chunk() = default;
+    Chunk(Chunk const&) = default;
+    virtual ~Chunk();
+
+    Chunk& operator=(Chunk const&) = default;
+
+    /// This method returns a text representation of the tag chunk. Labeled tags
+    /// are returned in the form {@code label:tag}, and unlabeled tags are
+    /// returned as just the tag name.
+    virtual std::string toString() {
+      std::string str;
+      return str;
+    }
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h
new file mode 100644
index 0000000..eefde46
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreeMatch.h
@@ -0,0 +1,132 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// Represents the result of matching a ParseTree against a tree pattern.
+  class ANTLR4CPP_PUBLIC ParseTreeMatch {
+  private:
+    /// This is the backing field for getTree().
+    ParseTree *_tree;
+
+    /// This is the backing field for getPattern().
+    const ParseTreePattern &_pattern;
+
+    /// This is the backing field for getLabels().
+    std::map<std::string, std::vector<ParseTree *>> _labels;
+
+    /// This is the backing field for getMismatchedNode().
+    ParseTree *_mismatchedNode;
+
+  public:
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="ParseTreeMatch"/> from the specified
+    /// parse tree and pattern.
+    /// </summary>
+    /// <param name="tree"> The parse tree to match against the pattern. </param>
+    /// <param name="pattern"> The parse tree pattern. </param>
+    /// <param name="labels"> A mapping from label names to collections of
+    /// <seealso cref="ParseTree"/> objects located by the tree pattern matching process. </param>
+    /// <param name="mismatchedNode"> The first node which failed to match the tree
+    /// pattern during the matching process.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code tree} is {@code null} </exception>
+    /// <exception cref="IllegalArgumentException"> if {@code pattern} is {@code null} </exception>
+    /// <exception cref="IllegalArgumentException"> if {@code labels} is {@code null} </exception>
+    ParseTreeMatch(ParseTree *tree, ParseTreePattern const& pattern,
+                   const std::map<std::string, std::vector<ParseTree *>> &labels, ParseTree *mismatchedNode);
+    ParseTreeMatch(ParseTreeMatch const&) = default;
+    virtual ~ParseTreeMatch();
+
+    /// <summary>
+    /// Get the last node associated with a specific {@code label}.
+    /// <p/>
+    /// For example, for pattern {@code <id:ID>}, {@code get("id")} returns the
+    /// node matched for that {@code ID}. If more than one node
+    /// matched the specified label, only the last is returned. If there is
+    /// no node associated with the label, this returns {@code null}.
+    /// <p/>
+    /// Pattern tags like {@code <ID>} and {@code <expr>} without labels are
+    /// considered to be labeled with {@code ID} and {@code expr}, respectively.
+    /// </summary>
+    /// <param name="labe"> The label to check.
+    /// </param>
+    /// <returns> The last <seealso cref="ParseTree"/> to match a tag with the specified
+    /// label, or {@code null} if no parse tree matched a tag with the label. </returns>
+    virtual ParseTree* get(const std::string &label);
+
+    /// <summary>
+    /// Return all nodes matching a rule or token tag with the specified label.
+    /// <p/>
+    /// If the {@code label} is the name of a parser rule or token in the
+    /// grammar, the resulting list will contain both the parse trees matching
+    /// rule or tags explicitly labeled with the label and the complete set of
+    /// parse trees matching the labeled and unlabeled tags in the pattern for
+    /// the parser rule or token. For example, if {@code label} is {@code "foo"},
+    /// the result will contain <em>all</em> of the following.
+    ///
+    /// <ul>
+    /// <li>Parse tree nodes matching tags of the form {@code <foo:anyRuleName>} and
+    /// {@code <foo:AnyTokenName>}.</li>
+    /// <li>Parse tree nodes matching tags of the form {@code <anyLabel:foo>}.</li>
+    /// <li>Parse tree nodes matching tags of the form {@code <foo>}.</li>
+    /// </ul>
+    /// </summary>
+    /// <param name="labe"> The label.
+    /// </param>
+    /// <returns> A collection of all <seealso cref="ParseTree"/> nodes matching tags with
+    /// the specified {@code label}. If no nodes matched the label, an empty list
+    /// is returned. </returns>
+    virtual std::vector<ParseTree *> getAll(const std::string &label);
+
+    /// <summary>
+    /// Return a mapping from label &rarr; [list of nodes].
+    /// <p/>
+    /// The map includes special entries corresponding to the names of rules and
+    /// tokens referenced in tags in the original pattern. For additional
+    /// information, see the description of <seealso cref="#getAll(String)"/>.
+    /// </summary>
+    /// <returns> A mapping from labels to parse tree nodes. If the parse tree
+    /// pattern did not contain any rule or token tags, this map will be empty. </returns>
+    virtual std::map<std::string, std::vector<ParseTree *>>& getLabels();
+
+    /// <summary>
+    /// Get the node at which we first detected a mismatch.
+    /// </summary>
+    /// <returns> the node at which we first detected a mismatch, or {@code null}
+    /// if the match was successful. </returns>
+    virtual ParseTree* getMismatchedNode();
+
+    /// <summary>
+    /// Gets a value indicating whether the match operation succeeded.
+    /// </summary>
+    /// <returns> {@code true} if the match operation succeeded; otherwise,
+    /// {@code false}. </returns>
+    virtual bool succeeded();
+
+    /// <summary>
+    /// Get the tree pattern we are matching against.
+    /// </summary>
+    /// <returns> The tree pattern we are matching against. </returns>
+    virtual const ParseTreePattern& getPattern();
+
+    /// <summary>
+    /// Get the parse tree we are trying to match to a pattern.
+    /// </summary>
+    /// <returns> The <seealso cref="ParseTree"/> we are trying to match to a pattern. </returns>
+    virtual ParseTree* getTree();
+
+    virtual std::string toString();
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePattern.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePattern.h
new file mode 100644
index 0000000..d5b86ff
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePattern.h
@@ -0,0 +1,105 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// A pattern like {@code <ID> = <expr>;} converted to a <seealso cref="ParseTree"/> by
+  /// <seealso cref="ParseTreePatternMatcher#compile(String, int)"/>.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC ParseTreePattern {
+  public:
+    /// <summary>
+    /// Construct a new instance of the <seealso cref="ParseTreePattern"/> class.
+    /// </summary>
+    /// <param name="matcher"> The <seealso cref="ParseTreePatternMatcher"/> which created this
+    /// tree pattern. </param>
+    /// <param name="pattern"> The tree pattern in concrete syntax form. </param>
+    /// <param name="patternRuleIndex"> The parser rule which serves as the root of the
+    /// tree pattern. </param>
+    /// <param name="patternTree"> The tree pattern in <seealso cref="ParseTree"/> form. </param>
+    ParseTreePattern(ParseTreePatternMatcher *matcher, const std::string &pattern, int patternRuleIndex,
+                     ParseTree *patternTree);
+    ParseTreePattern(ParseTreePattern const&) = default;
+    virtual ~ParseTreePattern();
+
+    /// <summary>
+    /// Match a specific parse tree against this tree pattern.
+    /// </summary>
+    /// <param name="tree"> The parse tree to match against this tree pattern. </param>
+    /// <returns> A <seealso cref="ParseTreeMatch"/> object describing the result of the
+    /// match operation. The <seealso cref="ParseTreeMatch#succeeded()"/> method can be
+    /// used to determine whether or not the match was successful. </returns>
+    virtual ParseTreeMatch match(ParseTree *tree);
+
+    /// <summary>
+    /// Determine whether or not a parse tree matches this tree pattern.
+    /// </summary>
+    /// <param name="tree"> The parse tree to match against this tree pattern. </param>
+    /// <returns> {@code true} if {@code tree} is a match for the current tree
+    /// pattern; otherwise, {@code false}. </returns>
+    virtual bool matches(ParseTree *tree);
+
+    /// Find all nodes using XPath and then try to match those subtrees against
+    /// this tree pattern.
+    /// @param tree The ParseTree to match against this pattern.
+    /// @param xpath An expression matching the nodes
+    ///
+    /// @returns A collection of ParseTreeMatch objects describing the
+    /// successful matches. Unsuccessful matches are omitted from the result,
+    /// regardless of the reason for the failure.
+    virtual std::vector<ParseTreeMatch> findAll(ParseTree *tree, const std::string &xpath);
+
+    /// <summary>
+    /// Get the <seealso cref="ParseTreePatternMatcher"/> which created this tree pattern.
+    /// </summary>
+    /// <returns> The <seealso cref="ParseTreePatternMatcher"/> which created this tree
+    /// pattern. </returns>
+    virtual ParseTreePatternMatcher *getMatcher() const;
+
+    /// <summary>
+    /// Get the tree pattern in concrete syntax form.
+    /// </summary>
+    /// <returns> The tree pattern in concrete syntax form. </returns>
+    virtual std::string getPattern() const;
+
+    /// <summary>
+    /// Get the parser rule which serves as the outermost rule for the tree
+    /// pattern.
+    /// </summary>
+    /// <returns> The parser rule which serves as the outermost rule for the tree
+    /// pattern. </returns>
+    virtual int getPatternRuleIndex() const;
+
+    /// <summary>
+    /// Get the tree pattern as a <seealso cref="ParseTree"/>. The rule and token tags from
+    /// the pattern are present in the parse tree as terminal nodes with a symbol
+    /// of type <seealso cref="RuleTagToken"/> or <seealso cref="TokenTagToken"/>.
+    /// </summary>
+    /// <returns> The tree pattern as a <seealso cref="ParseTree"/>. </returns>
+    virtual ParseTree* getPatternTree() const;
+
+  private:
+    const int patternRuleIndex;
+
+    /// This is the backing field for <seealso cref="#getPattern()"/>.
+    const std::string _pattern;
+
+    /// This is the backing field for <seealso cref="#getPatternTree()"/>.
+    ParseTree *_patternTree;
+
+    /// This is the backing field for <seealso cref="#getMatcher()"/>.
+    ParseTreePatternMatcher *const _matcher;
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePatternMatcher.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePatternMatcher.h
new file mode 100644
index 0000000..e77c7bc
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/ParseTreePatternMatcher.h
@@ -0,0 +1,185 @@
+/* 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 "Exceptions.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// A tree pattern matching mechanism for ANTLR <seealso cref="ParseTree"/>s.
+  /// <p/>
+  /// Patterns are strings of source input text with special tags representing
+  /// token or rule references such as:
+  /// <p/>
+  /// {@code <ID> = <expr>;}
+  /// <p/>
+  /// Given a pattern start rule such as {@code statement}, this object constructs
+  /// a <seealso cref="ParseTree"/> with placeholders for the {@code ID} and {@code expr}
+  /// subtree. Then the <seealso cref="#match"/> routines can compare an actual
+  /// <seealso cref="ParseTree"/> from a parse with this pattern. Tag {@code <ID>} matches
+  /// any {@code ID} token and tag {@code <expr>} references the result of the
+  /// {@code expr} rule (generally an instance of {@code ExprContext}.
+  /// <p/>
+  /// Pattern {@code x = 0;} is a similar pattern that matches the same pattern
+  /// except that it requires the identifier to be {@code x} and the expression to
+  /// be {@code 0}.
+  /// <p/>
+  /// The <seealso cref="#matches"/> routines return {@code true} or {@code false} based
+  /// upon a match for the tree rooted at the parameter sent in. The
+  /// <seealso cref="#match"/> routines return a <seealso cref="ParseTreeMatch"/> object that
+  /// contains the parse tree, the parse tree pattern, and a map from tag name to
+  /// matched nodes (more below). A subtree that fails to match, returns with
+  /// <seealso cref="ParseTreeMatch#mismatchedNode"/> set to the first tree node that did not
+  /// match.
+  /// <p/>
+  /// For efficiency, you can compile a tree pattern in string form to a
+  /// <seealso cref="ParseTreePattern"/> object.
+  /// <p/>
+  /// See {@code TestParseTreeMatcher} for lots of examples.
+  /// <seealso cref="ParseTreePattern"/> has two static helper methods:
+  /// <seealso cref="ParseTreePattern#findAll"/> and <seealso cref="ParseTreePattern#match"/> that
+  /// are easy to use but not super efficient because they create new
+  /// <seealso cref="ParseTreePatternMatcher"/> objects each time and have to compile the
+  /// pattern in string form before using it.
+  /// <p/>
+  /// The lexer and parser that you pass into the <seealso cref="ParseTreePatternMatcher"/>
+  /// constructor are used to parse the pattern in string form. The lexer converts
+  /// the {@code <ID> = <expr>;} into a sequence of four tokens (assuming lexer
+  /// throws out whitespace or puts it on a hidden channel). Be aware that the
+  /// input stream is reset for the lexer (but not the parser; a
+  /// <seealso cref="ParserInterpreter"/> is created to parse the input.). Any user-defined
+  /// fields you have put into the lexer might get changed when this mechanism asks
+  /// it to scan the pattern string.
+  /// <p/>
+  /// Normally a parser does not accept token {@code <expr>} as a valid
+  /// {@code expr} but, from the parser passed in, we create a special version of
+  /// the underlying grammar representation (an <seealso cref="ATN"/>) that allows imaginary
+  /// tokens representing rules ({@code <expr>}) to match entire rules. We call
+  /// these <em>bypass alternatives</em>.
+  /// <p/>
+  /// Delimiters are {@code <} and {@code >}, with {@code \} as the escape string
+  /// by default, but you can set them to whatever you want using
+  /// <seealso cref="#setDelimiters"/>. You must escape both start and stop strings
+  /// {@code \<} and {@code \>}.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC ParseTreePatternMatcher {
+  public:
+    class CannotInvokeStartRule : public RuntimeException {
+    public:
+      CannotInvokeStartRule(const RuntimeException &e);
+      ~CannotInvokeStartRule();
+    };
+
+    // Fixes https://github.com/antlr/antlr4/issues/413
+    // "Tree pattern compilation doesn't check for a complete parse"
+    class StartRuleDoesNotConsumeFullPattern : public RuntimeException {
+    public:
+      StartRuleDoesNotConsumeFullPattern() = default;
+      StartRuleDoesNotConsumeFullPattern(StartRuleDoesNotConsumeFullPattern const&) = default;
+      ~StartRuleDoesNotConsumeFullPattern();
+
+      StartRuleDoesNotConsumeFullPattern& operator=(StartRuleDoesNotConsumeFullPattern const&) = default;
+    };
+
+    /// Constructs a <seealso cref="ParseTreePatternMatcher"/> or from a <seealso cref="Lexer"/> and
+    /// <seealso cref="Parser"/> object. The lexer input stream is altered for tokenizing
+    /// the tree patterns. The parser is used as a convenient mechanism to get
+    /// the grammar name, plus token, rule names.
+    ParseTreePatternMatcher(Lexer *lexer, Parser *parser);
+    virtual ~ParseTreePatternMatcher();
+
+    /// <summary>
+    /// Set the delimiters used for marking rule and token tags within concrete
+    /// syntax used by the tree pattern parser.
+    /// </summary>
+    /// <param name="start"> The start delimiter. </param>
+    /// <param name="stop"> The stop delimiter. </param>
+    /// <param name="escapeLeft"> The escape sequence to use for escaping a start or stop delimiter.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code start} is {@code null} or empty. </exception>
+    /// <exception cref="IllegalArgumentException"> if {@code stop} is {@code null} or empty. </exception>
+    virtual void setDelimiters(const std::string &start, const std::string &stop, const std::string &escapeLeft);
+
+    /// <summary>
+    /// Does {@code pattern} matched as rule {@code patternRuleIndex} match {@code tree}? </summary>
+    virtual bool matches(ParseTree *tree, const std::string &pattern, int patternRuleIndex);
+
+    /// <summary>
+    /// Does {@code pattern} matched as rule patternRuleIndex match tree? Pass in a
+    ///  compiled pattern instead of a string representation of a tree pattern.
+    /// </summary>
+    virtual bool matches(ParseTree *tree, const ParseTreePattern &pattern);
+
+    /// <summary>
+    /// Compare {@code pattern} matched as rule {@code patternRuleIndex} against
+    /// {@code tree} and return a <seealso cref="ParseTreeMatch"/> object that contains the
+    /// matched elements, or the node at which the match failed.
+    /// </summary>
+    virtual ParseTreeMatch match(ParseTree *tree, const std::string &pattern, int patternRuleIndex);
+
+    /// <summary>
+    /// Compare {@code pattern} matched against {@code tree} and return a
+    /// <seealso cref="ParseTreeMatch"/> object that contains the matched elements, or the
+    /// node at which the match failed. Pass in a compiled pattern instead of a
+    /// string representation of a tree pattern.
+    /// </summary>
+    virtual ParseTreeMatch match(ParseTree *tree, const ParseTreePattern &pattern);
+
+    /// <summary>
+    /// For repeated use of a tree pattern, compile it to a
+    /// <seealso cref="ParseTreePattern"/> using this method.
+    /// </summary>
+    virtual ParseTreePattern compile(const std::string &pattern, int patternRuleIndex);
+
+    /// <summary>
+    /// Used to convert the tree pattern string into a series of tokens. The
+    /// input stream is reset.
+    /// </summary>
+    virtual Lexer* getLexer();
+
+    /// <summary>
+    /// Used to collect to the grammar file name, token names, rule names for
+    /// used to parse the pattern into a parse tree.
+    /// </summary>
+    virtual Parser* getParser();
+
+    // ---- SUPPORT CODE ----
+
+    virtual std::vector<std::unique_ptr<Token>> tokenize(const std::string &pattern);
+
+    /// Split "<ID> = <e:expr>;" into 4 chunks for tokenizing by tokenize().
+    virtual std::vector<Chunk> split(const std::string &pattern);
+
+  protected:
+    std::string _start;
+    std::string _stop;
+    std::string _escape; // e.g., \< and \> must escape BOTH!
+
+    /// Recursively walk {@code tree} against {@code patternTree}, filling
+    /// {@code match.}<seealso cref="ParseTreeMatch#labels labels"/>.
+    ///
+    /// <returns> the first node encountered in {@code tree} which does not match
+    /// a corresponding node in {@code patternTree}, or {@code null} if the match
+    /// was successful. The specific node returned depends on the matching
+    /// algorithm used by the implementation, and may be overridden. </returns>
+    virtual ParseTree* matchImpl(ParseTree *tree, ParseTree *patternTree, std::map<std::string, std::vector<ParseTree *>> &labels);
+
+    /// Is t <expr> subtree?
+    virtual RuleTagToken* getRuleTagToken(ParseTree *t);
+
+  private:
+    Lexer *_lexer;
+    Parser *_parser;
+
+    void InitializeInstanceFields();
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/RuleTagToken.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/RuleTagToken.h
new file mode 100644
index 0000000..368ae41
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/RuleTagToken.h
@@ -0,0 +1,117 @@
+/* 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 "Token.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// A <seealso cref="Token"/> object representing an entire subtree matched by a parser
+  /// rule; e.g., {@code <expr>}. These tokens are created for <seealso cref="TagChunk"/>
+  /// chunks where the tag corresponds to a parser rule.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC RuleTagToken : public Token {
+    /// <summary>
+    /// This is the backing field for <seealso cref="#getRuleName"/>.
+    /// </summary>
+  private:
+    const std::string ruleName;
+
+    /// The token type for the current token. This is the token type assigned to
+    /// the bypass alternative for the rule during ATN deserialization.
+    const size_t bypassTokenType;
+
+    /// This is the backing field for <seealso cref="#getLabe"/>.
+    const std::string label;
+
+  public:
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="RuleTagToken"/> with the specified rule
+    /// name and bypass token type and no label.
+    /// </summary>
+    /// <param name="ruleName"> The name of the parser rule this rule tag matches. </param>
+    /// <param name="bypassTokenType"> The bypass token type assigned to the parser rule.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code ruleName} is {@code null}
+    /// or empty. </exception>
+    RuleTagToken(const std::string &ruleName, int bypassTokenType); //this(ruleName, bypassTokenType, nullptr);
+
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="RuleTagToken"/> with the specified rule
+    /// name, bypass token type, and label.
+    /// </summary>
+    /// <param name="ruleName"> The name of the parser rule this rule tag matches. </param>
+    /// <param name="bypassTokenType"> The bypass token type assigned to the parser rule. </param>
+    /// <param name="label"> The label associated with the rule tag, or {@code null} if
+    /// the rule tag is unlabeled.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code ruleName} is {@code null}
+    /// or empty. </exception>
+    RuleTagToken(const std::string &ruleName, size_t bypassTokenType, const std::string &label);
+
+    /// <summary>
+    /// Gets the name of the rule associated with this rule tag.
+    /// </summary>
+    /// <returns> The name of the parser rule associated with this rule tag. </returns>
+    std::string getRuleName() const;
+
+    /// <summary>
+    /// Gets the label associated with the rule tag.
+    /// </summary>
+    /// <returns> The name of the label associated with the rule tag, or
+    /// {@code null} if this is an unlabeled rule tag. </returns>
+    std::string getLabel() const;
+
+    /// <summary>
+    /// {@inheritDoc}
+    /// <p/>
+    /// Rule tag tokens are always placed on the <seealso cref="#DEFAULT_CHANNE"/>.
+    /// </summary>
+    virtual size_t getChannel() const override;
+
+    /// <summary>
+    /// {@inheritDoc}
+    /// <p/>
+    /// This method returns the rule tag formatted with {@code <} and {@code >}
+    /// delimiters.
+    /// </summary>
+    virtual std::string getText() const override;
+
+    /// Rule tag tokens have types assigned according to the rule bypass
+    /// transitions created during ATN deserialization.
+    virtual size_t getType() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns 0.
+    virtual size_t getLine() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns INVALID_INDEX.
+    virtual size_t getCharPositionInLine() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns INVALID_INDEX.
+    virtual size_t getTokenIndex() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns INVALID_INDEX.
+    virtual size_t getStartIndex() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns INVALID_INDEX.
+    virtual size_t getStopIndex() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns {@code null}.
+    virtual TokenSource *getTokenSource() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> always returns {@code null}.
+    virtual CharStream *getInputStream() const override;
+
+    /// The implementation for <seealso cref="RuleTagToken"/> returns a string of the form {@code ruleName:bypassTokenType}.
+    virtual std::string toString() const override;
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TagChunk.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TagChunk.h
new file mode 100644
index 0000000..3d0c9f8
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TagChunk.h
@@ -0,0 +1,86 @@
+/* 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 "Chunk.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// Represents a placeholder tag in a tree pattern. A tag can have any of the
+  /// following forms.
+  ///
+  /// <ul>
+  /// <li>{@code expr}: An unlabeled placeholder for a parser rule {@code expr}.</li>
+  /// <li>{@code ID}: An unlabeled placeholder for a token of type {@code ID}.</li>
+  /// <li>{@code e:expr}: A labeled placeholder for a parser rule {@code expr}.</li>
+  /// <li>{@code id:ID}: A labeled placeholder for a token of type {@code ID}.</li>
+  /// </ul>
+  ///
+  /// This class does not perform any validation on the tag or label names aside
+  /// from ensuring that the tag is a non-null, non-empty string.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC TagChunk : public Chunk {
+  public:
+    /// <summary>
+    /// Construct a new instance of <seealso cref="TagChunk"/> using the specified tag and
+    /// no label.
+    /// </summary>
+    /// <param name="tag"> The tag, which should be the name of a parser rule or token
+    /// type.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code tag} is {@code null} or
+    /// empty. </exception>
+    TagChunk(const std::string &tag);
+    virtual ~TagChunk();
+
+    /// <summary>
+    /// Construct a new instance of <seealso cref="TagChunk"/> using the specified label
+    /// and tag.
+    /// </summary>
+    /// <param name="label"> The label for the tag. If this is {@code null}, the
+    /// <seealso cref="TagChunk"/> represents an unlabeled tag. </param>
+    /// <param name="tag"> The tag, which should be the name of a parser rule or token
+    /// type.
+    /// </param>
+    /// <exception cref="IllegalArgumentException"> if {@code tag} is {@code null} or
+    /// empty. </exception>
+    TagChunk(const std::string &label, const std::string &tag);
+
+    /// <summary>
+    /// Get the tag for this chunk.
+    /// </summary>
+    /// <returns> The tag for the chunk. </returns>
+    std::string getTag();
+
+    /// <summary>
+    /// Get the label, if any, assigned to this chunk.
+    /// </summary>
+    /// <returns> The label assigned to this chunk, or {@code null} if no label is
+    /// assigned to the chunk. </returns>
+    std::string getLabel();
+
+    /// <summary>
+    /// This method returns a text representation of the tag chunk. Labeled tags
+    /// are returned in the form {@code label:tag}, and unlabeled tags are
+    /// returned as just the tag name.
+    /// </summary>
+    virtual std::string toString() override;
+
+  private:
+    /// This is the backing field for <seealso cref="#getTag"/>.
+    const std::string _tag;
+    /// <summary>
+    /// This is the backing field for <seealso cref="#getLabe"/>.
+    /// </summary>
+    const std::string _label;
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TextChunk.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TextChunk.h
new file mode 100644
index 0000000..1cbc0dd
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TextChunk.h
@@ -0,0 +1,51 @@
+/* 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 "Chunk.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// Represents a span of raw text (concrete syntax) between tags in a tree
+  /// pattern string.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC TextChunk : public Chunk {
+  private:
+    /// <summary>
+    /// This is the backing field for <seealso cref="#getText"/>.
+    /// </summary>
+    const std::string text;
+
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="TextChunk"/> with the specified text.
+    /// </summary>
+    /// <param name="text"> The text of this chunk. </param>
+    /// <exception cref="IllegalArgumentException"> if {@code text} is {@code null}. </exception>
+  public:
+    TextChunk(const std::string &text);
+    virtual ~TextChunk();
+
+    /// <summary>
+    /// Gets the raw text of this chunk.
+    /// </summary>
+    /// <returns> The text of the chunk. </returns>
+    std::string getText();
+
+    /// <summary>
+    /// {@inheritDoc}
+    /// <p/>
+    /// The implementation for <seealso cref="TextChunk"/> returns the result of
+    /// <seealso cref="#getText()"/> in single quotes.
+    /// </summary>
+    virtual std::string toString() override;
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TokenTagToken.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TokenTagToken.h
new file mode 100644
index 0000000..9013fb8
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/pattern/TokenTagToken.h
@@ -0,0 +1,80 @@
+/* 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 "CommonToken.h"
+
+namespace antlr4 {
+namespace tree {
+namespace pattern {
+
+  /// <summary>
+  /// A <seealso cref="Token"/> object representing a token of a particular type; e.g.,
+  /// {@code <ID>}. These tokens are created for <seealso cref="TagChunk"/> chunks where the
+  /// tag corresponds to a lexer rule or token type.
+  /// </summary>
+  class ANTLR4CPP_PUBLIC TokenTagToken : public CommonToken {
+    /// <summary>
+    /// This is the backing field for <seealso cref="#getTokenName"/>.
+    /// </summary>
+  private:
+    const std::string tokenName;
+    /// <summary>
+    /// This is the backing field for <seealso cref="#getLabe"/>.
+    /// </summary>
+    const std::string label;
+
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="TokenTagToken"/> for an unlabeled tag
+    /// with the specified token name and type.
+    /// </summary>
+    /// <param name="tokenName"> The token name. </param>
+    /// <param name="type"> The token type. </param>
+  public:
+    TokenTagToken(const std::string &tokenName, int type); //this(tokenName, type, nullptr);
+
+    /// <summary>
+    /// Constructs a new instance of <seealso cref="TokenTagToken"/> with the specified
+    /// token name, type, and label.
+    /// </summary>
+    /// <param name="tokenName"> The token name. </param>
+    /// <param name="type"> The token type. </param>
+    /// <param name="label"> The label associated with the token tag, or {@code null} if
+    /// the token tag is unlabeled. </param>
+    TokenTagToken(const std::string &tokenName, int type, const std::string &label);
+
+    /// <summary>
+    /// Gets the token name. </summary>
+    /// <returns> The token name. </returns>
+    std::string getTokenName() const;
+
+    /// <summary>
+    /// Gets the label associated with the rule tag.
+    /// </summary>
+    /// <returns> The name of the label associated with the rule tag, or
+    /// {@code null} if this is an unlabeled rule tag. </returns>
+    std::string getLabel() const;
+
+    /// <summary>
+    /// {@inheritDoc}
+    /// <p/>
+    /// The implementation for <seealso cref="TokenTagToken"/> returns the token tag
+    /// formatted with {@code <} and {@code >} delimiters.
+    /// </summary>
+    virtual std::string getText() const override;
+
+    /// <summary>
+    /// {@inheritDoc}
+    /// <p/>
+    /// The implementation for <seealso cref="TokenTagToken"/> returns a string of the form
+    /// {@code tokenName:type}.
+    /// </summary>
+    virtual std::string toString() const override;
+  };
+
+} // namespace pattern
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPath.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPath.h
new file mode 100644
index 0000000..e38d482
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPath.h
@@ -0,0 +1,86 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  /// Represent a subset of XPath XML path syntax for use in identifying nodes in
+  /// parse trees.
+  ///
+  /// <para>
+  /// Split path into words and separators {@code /} and {@code //} via ANTLR
+  /// itself then walk path elements from left to right. At each separator-word
+  /// pair, find set of nodes. Next stage uses those as work list.</para>
+  ///
+  /// <para>
+  /// The basic interface is
+  /// <seealso cref="XPath#findAll ParseTree.findAll"/>{@code (tree, pathString, parser)}.
+  /// But that is just shorthand for:</para>
+  ///
+  /// <pre>
+  /// <seealso cref="XPath"/> p = new <seealso cref="XPath#XPath XPath"/>(parser, pathString);
+  /// return p.<seealso cref="#evaluate evaluate"/>(tree);
+  /// </pre>
+  ///
+  /// <para>
+  /// See {@code org.antlr.v4.test.TestXPath} for descriptions. In short, this
+  /// allows operators:</para>
+  ///
+  /// <dl>
+  /// <dt>/</dt> <dd>root</dd>
+  /// <dt>//</dt> <dd>anywhere</dd>
+  /// <dt>!</dt> <dd>invert; this must appear directly after root or anywhere
+  /// operator</dd>
+  /// </dl>
+  ///
+  /// <para>
+  /// and path elements:</para>
+  ///
+  /// <dl>
+  /// <dt>ID</dt> <dd>token name</dd>
+  /// <dt>'string'</dt> <dd>any string literal token from the grammar</dd>
+  /// <dt>expr</dt> <dd>rule name</dd>
+  /// <dt>*</dt> <dd>wildcard matching any node</dd>
+  /// </dl>
+  ///
+  /// <para>
+  /// Whitespace is not allowed.</para>
+
+  class ANTLR4CPP_PUBLIC XPath {
+  public:
+    static const std::string WILDCARD; // word not operator/separator
+    static const std::string NOT; // word for invert operator
+
+    XPath(Parser *parser, const std::string &path);
+    virtual ~XPath() {}
+
+    // TODO: check for invalid token/rule names, bad syntax
+    virtual std::vector<std::unique_ptr<XPathElement>> split(const std::string &path);
+
+    static std::vector<ParseTree *> findAll(ParseTree *tree, std::string const& xpath, Parser *parser);
+
+    /// Return a list of all nodes starting at {@code t} as root that satisfy the
+    /// path. The root {@code /} is relative to the node passed to
+    /// <seealso cref="#evaluate"/>.
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t);
+
+  protected:
+    std::string _path;
+    Parser *_parser;
+
+    /// Convert word like {@code *} or {@code ID} or {@code expr} to a path
+    /// element. {@code anywhere} is {@code true} if {@code //} precedes the
+    /// word.
+    virtual std::unique_ptr<XPathElement> getXPathElement(Token *wordToken, bool anywhere);
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathElement.h
new file mode 100644
index 0000000..f339117
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathElement.h
@@ -0,0 +1,40 @@
+/* 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 "antlr4-common.h"
+
+namespace antlr4 {
+namespace tree {
+  class ParseTree;
+
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathElement {
+  public:
+    /// Construct element like {@code /ID} or {@code ID} or {@code /*} etc...
+    ///  op is null if just node
+    XPathElement(const std::string &nodeName);
+    XPathElement(XPathElement const&) = default;
+    virtual ~XPathElement();
+
+    XPathElement& operator=(XPathElement const&) = default;
+
+    /// Given tree rooted at {@code t} return all nodes matched by this path
+    /// element.
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t);
+    virtual std::string toString() const;
+
+    void setInvert(bool value);
+
+  protected:
+    std::string _nodeName;
+    bool _invert = false;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexer.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexer.h
new file mode 100644
index 0000000..ca471c9
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexer.h
@@ -0,0 +1,56 @@
+#pragma once
+
+
+#include "antlr4-runtime.h"
+
+
+
+
+class  XPathLexer : public antlr4::Lexer {
+public:
+  enum {
+    TOKEN_REF = 1, RULE_REF = 2, ANYWHERE = 3, ROOT = 4, WILDCARD = 5, BANG = 6, 
+    ID = 7, STRING = 8
+  };
+
+  XPathLexer(antlr4::CharStream *input);
+  ~XPathLexer();
+
+  virtual std::string getGrammarFileName() const override;
+  virtual const std::vector<std::string>& getRuleNames() const override;
+
+  virtual const std::vector<std::string>& getChannelNames() const override;
+  virtual const std::vector<std::string>& getModeNames() const override;
+  virtual const std::vector<std::string>& getTokenNames() const override; // deprecated, use vocabulary instead
+  virtual antlr4::dfa::Vocabulary& getVocabulary() const override;
+
+  virtual const std::vector<uint16_t> getSerializedATN() const override;
+  virtual const antlr4::atn::ATN& getATN() const override;
+
+  virtual void action(antlr4::RuleContext *context, size_t ruleIndex, size_t actionIndex) override;
+private:
+  static std::vector<antlr4::dfa::DFA> _decisionToDFA;
+  static antlr4::atn::PredictionContextCache _sharedContextCache;
+  static std::vector<std::string> _ruleNames;
+  static std::vector<std::string> _tokenNames;
+  static std::vector<std::string> _channelNames;
+  static std::vector<std::string> _modeNames;
+
+  static std::vector<std::string> _literalNames;
+  static std::vector<std::string> _symbolicNames;
+  static antlr4::dfa::Vocabulary _vocabulary;
+  static antlr4::atn::ATN _atn;
+  static std::vector<uint16_t> _serializedATN;
+
+
+  // Individual action functions triggered by action() above.
+  void IDAction(antlr4::RuleContext *context, size_t actionIndex);
+
+  // Individual semantic predicate functions triggered by sempred() above.
+
+  struct Initializer {
+    Initializer();
+  };
+  static Initializer _init;
+};
+
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexerErrorListener.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexerErrorListener.h
new file mode 100644
index 0000000..c0c3eaa
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathLexerErrorListener.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 "BaseErrorListener.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathLexerErrorListener : public BaseErrorListener {
+  public:
+    virtual void syntaxError(Recognizer *recognizer, Token *offendingSymbol, size_t line,
+      size_t charPositionInLine, const std::string &msg, std::exception_ptr e) override;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleAnywhereElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleAnywhereElement.h
new file mode 100644
index 0000000..2ceb75c
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleAnywhereElement.h
@@ -0,0 +1,27 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  /// Either {@code ID} at start of path or {@code ...//ID} in middle of path.
+  class ANTLR4CPP_PUBLIC XPathRuleAnywhereElement : public XPathElement {
+  public:
+    XPathRuleAnywhereElement(const std::string &ruleName, int ruleIndex);
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+
+  protected:
+    int _ruleIndex = 0;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleElement.h
new file mode 100644
index 0000000..b57276f
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathRuleElement.h
@@ -0,0 +1,26 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathRuleElement : public XPathElement {
+  public:
+    XPathRuleElement(const std::string &ruleName, size_t ruleIndex);
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+
+  protected:
+    size_t _ruleIndex = 0;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenAnywhereElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenAnywhereElement.h
new file mode 100644
index 0000000..2045d91
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenAnywhereElement.h
@@ -0,0 +1,25 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathTokenAnywhereElement : public XPathElement {
+  protected:
+    int tokenType = 0;
+  public:
+    XPathTokenAnywhereElement(const std::string &tokenName, int tokenType);
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenElement.h
new file mode 100644
index 0000000..7221530
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathTokenElement.h
@@ -0,0 +1,26 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathTokenElement : public XPathElement {
+  public:
+    XPathTokenElement(const std::string &tokenName, size_t tokenType);
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+
+  protected:
+    size_t _tokenType = 0;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardAnywhereElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardAnywhereElement.h
new file mode 100644
index 0000000..dc5d1e5
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardAnywhereElement.h
@@ -0,0 +1,23 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathWildcardAnywhereElement : public XPathElement {
+  public:
+    XPathWildcardAnywhereElement();
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4
diff --git a/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardElement.h b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardElement.h
new file mode 100644
index 0000000..accb461
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/install/include/antlr4-runtime/tree/xpath/XPathWildcardElement.h
@@ -0,0 +1,23 @@
+/* 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 "XPathElement.h"
+
+namespace antlr4 {
+namespace tree {
+namespace xpath {
+
+  class ANTLR4CPP_PUBLIC XPathWildcardElement : public XPathElement {
+  public:
+    XPathWildcardElement();
+
+    virtual std::vector<ParseTree *> evaluate(ParseTree *t) override;
+  };
+
+} // namespace xpath
+} // namespace tree
+} // namespace antlr4