From 6bb8fe3f983cd0a2be76239df2124af633f0e05c Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 31 Mar 2016 12:08:02 +0100
Subject: Add evaluation of arrays to interpreter

---
 src/main/java/org/zwobble/couscous/interpreter/Evaluator.java | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/main/java/org/zwobble/couscous/interpreter/Evaluator.java')

diff --git a/src/main/java/org/zwobble/couscous/interpreter/Evaluator.java b/src/main/java/org/zwobble/couscous/interpreter/Evaluator.java
index 1082ed1..8c3d355 100644
--- a/src/main/java/org/zwobble/couscous/interpreter/Evaluator.java
+++ b/src/main/java/org/zwobble/couscous/interpreter/Evaluator.java
@@ -1,18 +1,19 @@
 package org.zwobble.couscous.interpreter;
 
 import org.zwobble.couscous.ast.*;
-import org.zwobble.couscous.types.ScalarType;
 import org.zwobble.couscous.ast.visitors.AssignableExpressionNodeVisitor;
 import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
 import org.zwobble.couscous.interpreter.errors.ConditionMustBeBoolean;
 import org.zwobble.couscous.interpreter.errors.InvalidCast;
 import org.zwobble.couscous.interpreter.values.*;
+import org.zwobble.couscous.types.ScalarType;
 import org.zwobble.couscous.types.Types;
 
 import java.util.List;
 import java.util.stream.Collectors;
 
 import static org.zwobble.couscous.types.Types.erasure;
+import static org.zwobble.couscous.util.ExtraLists.eagerMap;
 
 public class Evaluator implements ExpressionNodeMapper<InterpreterValue> {
     public static InterpreterValue eval(Environment environment, ExpressionNode expression) {
@@ -52,8 +53,10 @@ public class Evaluator implements ExpressionNodeMapper<InterpreterValue> {
     }
 
     @Override
-    public InterpreterValue visit(ArrayNode arrayNode) {
-        throw new UnsupportedOperationException();
+    public InterpreterValue visit(ArrayNode array) {
+        return new ArrayInterpreterValue(
+            array.getElementType(),
+            eagerMap(array.getElements(), this::eval));
     }
 
     @Override
-- 
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