Interpreter capable of handing variables

1 files changed, 30 insertions, 0 deletions

diff --git a/code/Interpreter/Environment.java b/code/Interpreter/Environment.java
new file mode 100644
index 0000000..d191bde
--- /dev/null
+++ b/code/Interpreter/Environment.java
@@ -0,0 +1,30 @@
+package Interpreter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Environment {
+    private final Map<String,Object> variableMap = new HashMap<>();
+
+    //Maybe check if variable is already defined?
+    public void defineVariable(String name,Object value){
+        variableMap.put(name, value);
+    }
+
+    public Object getVariable(String name){
+        if(variableMap.containsKey(name)){
+            return variableMap.get(name);
+        }
+        Language.displayError("Undefined Variable");
+        throw new Error();
+    }
+
+    public void assignVariable(String name,Object value){
+        if(variableMap.containsKey(name)){
+            variableMap.put(name, value);
+            return;
+        }
+        Language.displayError("Variable undefined");
+        throw new Error();
+    }
+}