Tighten-up test cases: specify where errors are expected

[tiger.ml.git] / compiler / src / lib / tiger / tiger_error.ml

diff --git a/compiler/src/lib/tiger/tiger_error.ml b/compiler/src/lib/tiger/tiger_error.ml
index 70c3e3c..f49bca4 100644 (file)
--- a/compiler/src/lib/tiger/tiger_error.ml
+++ b/compiler/src/lib/tiger/tiger_error.ml
@@ -169,3 +169,47 @@ let is_unknown_id t =
   | Invalid_operand_type _
   | Different_operand_types _ ->
       false
+
+let is_unknown_type t =
+  match t with
+  | Unknown_type _ ->
+      true
+  | Unknown_id _
+  | Invalid_syntax _
+  | Id_is_a_function _
+  | Id_not_a_function _
+  | No_such_field_in_record _
+  | Exp_not_a_record _
+  | Exp_not_an_array _
+  | Wrong_type _
+  | Wrong_type_of_expression_in_var_dec _
+  | Wrong_type_used_as_array _
+  | Wrong_type_used_as_record _
+  | Wrong_type_of_field_value _
+  | Wrong_type_of_arg _
+  | Wrong_number_of_args _
+  | Invalid_operand_type _
+  | Different_operand_types _ ->
+      false
+
+let is_wrong_type t =
+  match t with
+  | Wrong_type _ ->
+      true
+  | Unknown_type _
+  | Unknown_id _
+  | Invalid_syntax _
+  | Id_is_a_function _
+  | Id_not_a_function _
+  | No_such_field_in_record _
+  | Exp_not_a_record _
+  | Exp_not_an_array _
+  | Wrong_type_of_expression_in_var_dec _
+  | Wrong_type_used_as_array _
+  | Wrong_type_used_as_record _
+  | Wrong_type_of_field_value _
+  | Wrong_type_of_arg _
+  | Wrong_number_of_args _
+  | Invalid_operand_type _
+  | Different_operand_types _ ->
+      false