From d35a37a449d31e6f4b43b937abf7b0e1fc497828 Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jans.tuomi@gmail.com>
Date: Thu, 16 Jun 2016 20:21:25 +0300
Subject: Grammar now uses reverse polish notation

---
 main/core/parser/ast/AdditionNode.java | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'main/core/parser/ast/AdditionNode.java')

diff --git a/main/core/parser/ast/AdditionNode.java b/main/core/parser/ast/AdditionNode.java
index f6ebc84..46f67a4 100644
--- a/main/core/parser/ast/AdditionNode.java
+++ b/main/core/parser/ast/AdditionNode.java
@@ -6,31 +6,31 @@ import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
 import java.util.Arrays;
 import java.util.List;
 
-
 /**
- * Created by jan on 13.6.2016.
+ * Created by jan on 16.6.2016.
  */
-public class AdditionNode extends ExpressionNode {
-
-    private ExpressionNode lhs;
-    private ExpressionNode rhs;
+public class AdditionNode extends ASTNode {
 
-    public AdditionNode(ExpressionNode lhs, ExpressionNode rhs) {
-        super(new Token(Token.Type.AdditionToken));
+    private ASTNode lhs;
+    private ASTNode rhs;
 
+    public AdditionNode(Token token, ASTNode lhs, ASTNode rhs) {
+        super(token);
         this.lhs = lhs;
         this.rhs = rhs;
     }
 
     @Override
-    public List<ASTNode> getChildren() {
-        return Arrays.asList(lhs, rhs);
-    }
+    public DataContainer evaluate() {
+        DataContainer operand1 = lhs.evaluate();
+        DataContainer operand2 = rhs.evaluate();
 
+        DataContainer result = operand1.add(operand2);
+        return result;
+
+    }
     @Override
-    public DataContainer evaluate() {
-        DataContainer lhs = this.lhs.evaluate();
-        DataContainer rhs = this.rhs.evaluate();
-        return lhs.add(rhs);
+    List<ASTNode> getChildren() {
+        return Arrays.asList(lhs, rhs);
     }
 }
-- 
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