Add Scope.declare_local

trans/transpiler/phases/typing/scope.py

@@ -65,8 +65,9 @@ class Scope:
         self.children.append(res)
         return res
 
-    def declare_local(self, name: str):
+    def declare_local(self, name: str, type: BaseType):
         """Declares a local variable"""
+        self.vars[name] = VarDecl(VarKind.LOCAL, type)
 
     def get(self, name: str) -> Optional[VarDecl]:
         """