From 8a7cb643ac9b0e895123c176803af15b75f90cf1 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 14 Nov 2015 14:30:50 +0000
Subject: Parse while loops

---
 .../org/zwobble/couscous/interpreter/Executor.java    | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

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

diff --git a/src/main/java/org/zwobble/couscous/interpreter/Executor.java b/src/main/java/org/zwobble/couscous/interpreter/Executor.java
index 6f33b4d..9e34c42 100644
--- a/src/main/java/org/zwobble/couscous/interpreter/Executor.java
+++ b/src/main/java/org/zwobble/couscous/interpreter/Executor.java
@@ -4,13 +4,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
 
-import org.zwobble.couscous.ast.CallableNode;
-import org.zwobble.couscous.ast.ExpressionStatementNode;
-import org.zwobble.couscous.ast.IfStatementNode;
-import org.zwobble.couscous.ast.LocalVariableDeclarationNode;
-import org.zwobble.couscous.ast.ReturnNode;
-import org.zwobble.couscous.ast.StatementNode;
-import org.zwobble.couscous.ast.VariableNode;
+import org.zwobble.couscous.ast.*;
 import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
 import org.zwobble.couscous.interpreter.values.BooleanInterpreterValue;
 import org.zwobble.couscous.interpreter.values.InterpreterValue;
@@ -61,6 +55,12 @@ public class Executor implements StatementNodeMapper<Optional<InterpreterValue>>
                 // TODO: Handle declarations in branches
                 return Stream.empty();
             }
+
+            @Override
+            public Stream<VariableNode> visit(WhileNode whileLoop) {
+                // TODO: Handle declarations in branches
+                return Stream.empty();
+            }
         }));
     }
     
@@ -100,6 +100,11 @@ public class Executor implements StatementNodeMapper<Optional<InterpreterValue>>
         return Optional.empty();
     }
 
+    @Override
+    public Optional<InterpreterValue> visit(WhileNode whileLoop) {
+        throw new UnsupportedOperationException();
+    }
+
     private Optional<InterpreterValue> exec(List<StatementNode> statements) {
         for (StatementNode statement : statements) {
             Optional<InterpreterValue> result = exec(environment, statement);
-- 
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