Added scopes, variables and functions

1 files changed, 33 insertions, 0 deletions

diff --git a/main/core/parser/ast/AssignmentNode.java b/main/core/parser/ast/AssignmentNode.java
new file mode 100644
index 0000000..bcbff1c
--- /dev/null
+++ b/main/core/parser/ast/AssignmentNode.java
@@ -0,0 +1,33 @@
+package com.jantuomi.interpreter.main.core.parser.ast;
+
+import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
+import com.jantuomi.interpreter.main.core.runtime.State;
+import com.jantuomi.interpreter.main.core.tokenizer.token.Token;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by jan on 21.6.2016.
+ */
+public class AssignmentNode extends BinaryOperatorNode {
+    public AssignmentNode(Token token, SymbolNode lhs, ASTNode rhs) {
+        super(token, lhs, rhs);
+    }
+
+    @Override
+    public DataContainer evaluate() {
+        SymbolNode symbol = (SymbolNode) lhs;
+        DataContainer rValue = rhs.evaluate();
+        State.getInstance().setSymbolValueToScope(
+                symbol.getName(),
+                rValue
+        );
+        return rValue;
+    }
+
+    @Override
+    List<ASTNode> getChildren() {
+        return Arrays.asList(lhs, rhs);
+    }
+}