From bacc781ea755d3771e1c8d09e1fbfd873872f750 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 15 Nov 2015 15:31:09 +0000
Subject: Allow descendants of nodes to be traversed

---
 src/main/java/org/zwobble/couscous/ast/Node.java | 126 ++++++++++++++++++++++-
 1 file changed, 125 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/zwobble/couscous/ast/Node.java')

diff --git a/src/main/java/org/zwobble/couscous/ast/Node.java b/src/main/java/org/zwobble/couscous/ast/Node.java
index acde931..7c4d347 100644
--- a/src/main/java/org/zwobble/couscous/ast/Node.java
+++ b/src/main/java/org/zwobble/couscous/ast/Node.java
@@ -1,7 +1,131 @@
 package org.zwobble.couscous.ast;
 
+import org.zwobble.couscous.ast.visitors.NodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeVisitor;
 
 public interface Node {
-    void accept(NodeVisitor visitor);
+    default void accept(NodeVisitor visitor) {
+        accept(new NodeMapper<Void>() {
+            @Override
+            public Void visit(LiteralNode literal) {
+                visitor.visit(literal);
+                return null;
+            }
+
+            @Override
+            public Void visit(VariableReferenceNode variableReference) {
+                visitor.visit(variableReference);
+                return null;
+            }
+
+            @Override
+            public Void visit(ThisReferenceNode reference) {
+                visitor.visit(reference);
+                return null;
+            }
+
+            @Override
+            public Void visit(AssignmentNode assignment) {
+                visitor.visit(assignment);
+                return null;
+            }
+
+            @Override
+            public Void visit(TernaryConditionalNode ternaryConditional) {
+                visitor.visit(ternaryConditional);
+                return null;
+            }
+
+            @Override
+            public Void visit(MethodCallNode methodCall) {
+                visitor.visit(methodCall);
+                return null;
+            }
+
+            @Override
+            public Void visit(StaticMethodCallNode staticMethodCall) {
+                visitor.visit(staticMethodCall);
+                return null;
+            }
+
+            @Override
+            public Void visit(ConstructorCallNode call) {
+                visitor.visit(call);
+                return null;
+            }
+
+            @Override
+            public Void visit(FieldAccessNode fieldAccess) {
+                visitor.visit(fieldAccess);
+                return null;
+            }
+
+            @Override
+            public Void visit(ReturnNode returnNode) {
+                visitor.visit(returnNode);
+                return null;
+            }
+
+            @Override
+            public Void visit(ExpressionStatementNode expressionStatement) {
+                visitor.visit(expressionStatement);
+                return null;
+            }
+
+            @Override
+            public Void visit(LocalVariableDeclarationNode localVariableDeclaration) {
+                visitor.visit(localVariableDeclaration);
+                return null;
+            }
+
+            @Override
+            public Void visit(IfStatementNode ifStatement) {
+                visitor.visit(ifStatement);
+                return null;
+            }
+
+            @Override
+            public Void visit(WhileNode whileLoop) {
+                visitor.visit(whileLoop);
+                return null;
+            }
+
+            @Override
+            public Void visit(FormalArgumentNode formalArgumentNode) {
+                visitor.visit(formalArgumentNode);
+                return null;
+            }
+
+            @Override
+            public Void visit(AnnotationNode annotation) {
+                visitor.visit(annotation);
+                return null;
+            }
+
+            @Override
+            public Void visit(MethodNode methodNode) {
+                visitor.visit(methodNode);
+                return null;
+            }
+
+            @Override
+            public Void visit(ConstructorNode constructorNode) {
+                visitor.visit(constructorNode);
+                return null;
+            }
+
+            @Override
+            public Void visit(FieldDeclarationNode declaration) {
+                visitor.visit(declaration);
+                return null;
+            }
+
+            @Override
+            public Void visit(ClassNode classNode) {
+                visitor.visit(classNode);
+                return null;
+            }
+        });
+    }
+    <T> T accept(NodeMapper<T> visitor);
 }
-- 
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