Add local variable declarations

1 files changed, 8 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/interpreter/Executor.java b/src/main/java/org/zwobble/couscous/interpreter/Executor.java
index 4002238..49eca3f 100644
--- a/src/main/java/org/zwobble/couscous/interpreter/Executor.java
+++ b/src/main/java/org/zwobble/couscous/interpreter/Executor.java
@@ -4,6 +4,7 @@ import java.util.Optional;
 import java.util.stream.IntStream;
 
 import org.zwobble.couscous.ast.ExpressionStatementNode;
+import org.zwobble.couscous.ast.LocalVariableDeclarationNode;
 import org.zwobble.couscous.ast.MethodNode;
 import org.zwobble.couscous.ast.ReturnNode;
 import org.zwobble.couscous.ast.StatementNode;
@@ -62,4 +63,11 @@ public class Executor implements StatementNodeVisitor<Optional<InterpreterValue>
         eval(environment, expressionStatement.getExpression());
         return Optional.empty();
     }
+
+    @Override
+    public Optional<InterpreterValue> visit(LocalVariableDeclarationNode localVariableDeclaration) {
+        val value = eval(environment, localVariableDeclaration.getInitialValue());
+        environment.put(localVariableDeclaration, value);
+        return Optional.empty();
+    }
 }