From c6aabb1b656644fe6cbed271e34adfa829418a31 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 24 Jan 2016 18:14:02 +0000
Subject: Add transform to Receiver interface

---
 src/main/java/org/zwobble/couscous/ast/InstanceReceiver.java |  8 +-------
 src/main/java/org/zwobble/couscous/ast/Receiver.java         |  4 ++--
 src/main/java/org/zwobble/couscous/ast/StaticReceiver.java   |  8 +-------
 .../org/zwobble/couscous/ast/visitors/NodeTransformer.java   | 12 +-----------
 4 files changed, 5 insertions(+), 27 deletions(-)

(limited to 'src/main/java/org')

diff --git a/src/main/java/org/zwobble/couscous/ast/InstanceReceiver.java b/src/main/java/org/zwobble/couscous/ast/InstanceReceiver.java
index 6a3f42c..cbd4b6e 100644
--- a/src/main/java/org/zwobble/couscous/ast/InstanceReceiver.java
+++ b/src/main/java/org/zwobble/couscous/ast/InstanceReceiver.java
@@ -3,8 +3,6 @@ package org.zwobble.couscous.ast;
 import org.zwobble.couscous.ast.visitors.NodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
 
-import java.util.function.Function;
-
 public class InstanceReceiver implements Receiver {
     public static Receiver instanceReceiver(ExpressionNode expression) {
         return new InstanceReceiver(expression);
@@ -20,16 +18,12 @@ public class InstanceReceiver implements Receiver {
         return expression;
     }
 
-    @Override
-    public Receiver replaceExpressions(Function<ExpressionNode, ExpressionNode> replace) {
-        return new InstanceReceiver(replace.apply(expression));
-    }
-
     @Override
     public <T> T accept(Mapper<T> visitor) {
         return visitor.visit(expression);
     }
 
+    @Override
     public Receiver transform(NodeTransformer transformer) {
         return new InstanceReceiver(transformer.transformExpression(expression));
     }
diff --git a/src/main/java/org/zwobble/couscous/ast/Receiver.java b/src/main/java/org/zwobble/couscous/ast/Receiver.java
index 0e0e077..1afb9b7 100644
--- a/src/main/java/org/zwobble/couscous/ast/Receiver.java
+++ b/src/main/java/org/zwobble/couscous/ast/Receiver.java
@@ -1,10 +1,10 @@
 package org.zwobble.couscous.ast;
 
-import java.util.function.Function;
+import org.zwobble.couscous.ast.visitors.NodeTransformer;
 
 public interface Receiver extends Node {
-    Receiver replaceExpressions(Function<ExpressionNode, ExpressionNode> replace);
     <T> T accept(Mapper<T> mapper);
+    Receiver transform(NodeTransformer transformer);
 
     interface Mapper<T> {
         T visit(ExpressionNode receiver);
diff --git a/src/main/java/org/zwobble/couscous/ast/StaticReceiver.java b/src/main/java/org/zwobble/couscous/ast/StaticReceiver.java
index 7814108..84cf266 100644
--- a/src/main/java/org/zwobble/couscous/ast/StaticReceiver.java
+++ b/src/main/java/org/zwobble/couscous/ast/StaticReceiver.java
@@ -3,8 +3,6 @@ package org.zwobble.couscous.ast;
 import org.zwobble.couscous.ast.visitors.NodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
 
-import java.util.function.Function;
-
 public class StaticReceiver implements Receiver {
     public static Receiver staticReceiver(TypeName type) {
         return new StaticReceiver(type);
@@ -20,11 +18,6 @@ public class StaticReceiver implements Receiver {
         return type;
     }
 
-    @Override
-    public Receiver replaceExpressions(Function<ExpressionNode, ExpressionNode> replace) {
-        return this;
-    }
-
     @Override
     public <T> T accept(Mapper<T> mapper) {
         return mapper.visit(type);
@@ -35,6 +28,7 @@ public class StaticReceiver implements Receiver {
         return visitor.visit(this);
     }
 
+    @Override
     public Receiver transform(NodeTransformer transformer) {
         return new StaticReceiver(transformer.transform(type));
     }
diff --git a/src/main/java/org/zwobble/couscous/ast/visitors/NodeTransformer.java b/src/main/java/org/zwobble/couscous/ast/visitors/NodeTransformer.java
index 4f7f819..683b3b9 100644
--- a/src/main/java/org/zwobble/couscous/ast/visitors/NodeTransformer.java
+++ b/src/main/java/org/zwobble/couscous/ast/visitors/NodeTransformer.java
@@ -191,17 +191,7 @@ public class NodeTransformer {
     }
 
     public Receiver transformReceiver(Receiver receiver) {
-        return receiver.accept(new Receiver.Mapper<Receiver>() {
-            @Override
-            public Receiver visit(ExpressionNode receiver) {
-                return new InstanceReceiver(receiver.transform(NodeTransformer.this));
-            }
-
-            @Override
-            public Receiver visit(TypeName receiver) {
-                return new StaticReceiver(transform(receiver));
-            }
-        });
+        return receiver.transform(this);
     }
 
     public VariableDeclaration transform(VariableDeclaration declaration) {
-- 
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