Move childNodes onto Node interface

1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java b/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java
index a3a94ad..6ead916 100644
--- a/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java
@@ -1,7 +1,9 @@
 package org.zwobble.couscous.ast;
 
+import com.google.common.collect.Iterables;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
 import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
+import org.zwobble.couscous.util.ExtraIterables;
 
 import java.util.List;
 
@@ -44,6 +46,11 @@ public class IfStatementNode implements StatementNode {
     }
 
     @Override
+    public Iterable<? extends Node> childNodes() {
+        return Iterables.concat(ExtraIterables.of(condition), trueBranch, falseBranch);
+    }
+
+    @Override
     public StatementNode transform(NodeTransformer transformer) {
         return new IfStatementNode(
             transformer.transformExpression(condition),