Use the new Range class in more places

blueprintcompiler/language/contexts.py

@@ -70,8 +70,7 @@ class ScopeCtx:
                 ):
                     raise CompileError(
                         f"Duplicate object ID '{obj.tokens['id']}'",
-                        token.start,
-                        token.end,
+                        token.range,
                     )
             passed[obj.tokens["id"]] = obj
 

blueprintcompiler/language/ui.py

@@ -62,8 +62,7 @@ class UI(AstNode):
                 else:
                     gir_ctx.not_found_namespaces.add(i.namespace)
             except CompileError as e:
-                e.start = i.group.tokens["namespace"].start
-                e.end = i.group.tokens["version"].end
+                e.range = i.range
                 self._gir_errors.append(e)
 
         return gir_ctx