Implemented general enhancements

1 files changed, 30 insertions, 0 deletions

diff --git a/main/core/parser/ast/SubtractionNode.java b/main/core/parser/ast/SubtractionNode.java
new file mode 100644
index 0000000..0865ab1
--- /dev/null
+++ b/main/core/parser/ast/SubtractionNode.java
@@ -0,0 +1,30 @@
+package com.jantuomi.interpreter.main.core.parser.ast;
+
+import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
+import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by jan on 16.6.2016.
+ */
+public class SubtractionNode extends BinaryOperatorNode {
+    public SubtractionNode(Token token, ASTNode lhs, ASTNode rhs) {
+        super(token, lhs, rhs);
+    }
+
+    @Override
+    public DataContainer evaluate() {
+        DataContainer operand1 = lhs.evaluate();
+        DataContainer operand2 = rhs.evaluate();
+
+        DataContainer result = operand1.subtract(operand2);
+        return result;
+
+    }
+    @Override
+    List<ASTNode> getChildren() {
+        return Arrays.asList(lhs, rhs);
+    }
+}