Class TreeVisitor


  • public abstract class TreeVisitor
    extends Object
    Iterate over all the nodes in (a part of) the AST.
    • Constructor Detail

      • TreeVisitor

        public TreeVisitor()
    • Method Detail

      • visitLeavesFirst

        public void visitLeavesFirst​(Node node)
      • visitPreOrder

        public void visitPreOrder​(Node node)
        Performs a pre-order node traversal starting with a given node. When each node is visited, process(Node) is called for further processing.
        Parameters:
        node - The node at which the traversal begins.
        See Also:
        Pre-order traversal
      • visitPostOrder

        public void visitPostOrder​(Node node)
        Performs a post-order node traversal starting with a given node. When each node is visited, process(Node) is called for further processing.
        Parameters:
        node - The node at which the traversal begins.
        See Also:
        Post-order traversal
      • visitDepthFirst

        @Deprecated
        public void visitDepthFirst​(Node node)
        Deprecated.
        As of release 3.1.0, replaced by visitPreOrder(Node)
        Performs a pre-order node traversal starting with a given node. When each node is visited, process(Node) is called for further processing.
        Parameters:
        node - The node at which the traversal begins.
        See Also:
        Pre-order traversal
      • visitBreadthFirst

        public void visitBreadthFirst​(Node node)
        https://en.wikipedia.org/wiki/Breadth-first_search
        Parameters:
        node - the start node, and the first one that is passed to process(node).
      • process

        public abstract void process​(Node node)
        Process the given node.
        Parameters:
        node - The current node to process.