Add tokenizer, parser and support for certain operations

1 files changed, 35 insertions, 0 deletions

diff --git a/main/core/parser/ast/SymbolNode.java b/main/core/parser/ast/SymbolNode.java
new file mode 100644
index 0000000..1457851
--- /dev/null
+++ b/main/core/parser/ast/SymbolNode.java
@@ -0,0 +1,35 @@
+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 11.6.2016.
+ */
+public class SymbolNode extends ExpressionNode {
+    private String symbol;
+
+    public SymbolNode(Token token) {
+        super(token);
+
+        this.symbol = token.getText();
+    }
+
+    @Override
+    List<ASTNode> getChildren() {
+        return Arrays.asList();
+    }
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    @Override
+    public DataContainer evaluate() {
+        return State.getInstance().getSymbolValue(symbol);
+    }
+}