Initial commit: Basic interpreter structure

src/interpreter.py

@@ -0,0 +1,18 @@
+class Interpreter:
+    def __init__(self, ast):
+        self.ast = ast
+
+    def interpret(self):
+        for node in self.ast:
+            self.visit(node)
+
+    def visit(self, node):
+        method_name = f'visit_{type(node).__name__}'
+        method = getattr(self, method_name, self.no_visit_method)
+        return method(node)
+
+    def no_visit_method(self, node):
+        raise Exception(f'No visit_{type(node).__name__} method defined')
+
+    def visit_Print(self, node):
+        print(node.value)