Replace captured variable references in method bodies

1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/ast/ExpressionStatementNode.java b/src/main/java/org/zwobble/couscous/ast/ExpressionStatementNode.java
index b814076..0ac7381 100644
--- a/src/main/java/org/zwobble/couscous/ast/ExpressionStatementNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/ExpressionStatementNode.java
@@ -2,6 +2,8 @@ package org.zwobble.couscous.ast;
 
 import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
 
+import java.util.function.Function;
+
 public class ExpressionStatementNode implements StatementNode {
     public static ExpressionStatementNode expressionStatement(ExpressionNode expression) {
         return new ExpressionStatementNode(expression);
@@ -23,6 +25,11 @@ public class ExpressionStatementNode implements StatementNode {
     }
 
     @Override
+    public StatementNode replaceExpressions(Function<ExpressionNode, ExpressionNode> replace) {
+        return new ExpressionStatementNode(replace.apply(expression));
+    }
+
+    @Override
     public String toString() {
         return "ExpressionStatementNode(expression=" + expression + ")";
     }