1 files changed, 35 insertions, 0 deletions
diff --git a/main/core/runtime/State.java b/main/core/runtime/State.java
new file mode 100644
index 0000000..7e4fb71
--- /dev/null
+++ b/main/core/runtime/State.java
@@ -0,0 +1,35 @@
+package com.jantuomi.interpreter.main.core.runtime;
+
+import com.jantuomi.interpreter.main.core.parser.datatype.DataContainer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by jan on 11.6.2016.
+ */
+public class State {
+    private static final State instance = new State();
+
+    public static State getInstance() {
+        return instance;
+    }
+
+    private Map<String, DataContainer> variables = new HashMap<>();
+
+    private State() {
+
+    }
+
+    public DataContainer getSymbolValue(String symbol) {
+        if (variables.keySet().contains(symbol)) {
+            return variables.get(symbol);
+        } else {
+            return null;
+        }
+    }
+
+    public void setSymbolValue(String symbol, DataContainer value) {
+        variables.put(symbol, value);
+    }
+}