X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=compiler%2Fsrc%2Flib%2Ftiger%2Ftiger_error.ml;h=ce506d9e606744c5b40dc24bf0a1a743d27e427c;hb=5da420a8c9d88111ef4ccabd6b0a0c65cddb73af;hp=20a1f7d1d3a0fdfb2b5f75e796a5aab9e94a9135;hpb=c16dd441582b7c7c09cdb3e706f4767a5b266177;p=tiger.ml.git

diff --git a/compiler/src/lib/tiger/tiger_error.ml b/compiler/src/lib/tiger/tiger_error.ml
index 20a1f7d..ce506d9 100644
--- a/compiler/src/lib/tiger/tiger_error.ml
+++ b/compiler/src/lib/tiger/tiger_error.ml
@@ -110,3 +110,19 @@ let to_string =
         (Abs.op_show oper)
         (Typ.to_string right)
         (Pos.to_string pos)
+
+let is_unknown_id t =
+  match t with
+  | Unknown_id _ ->
+      true
+  | Invalid_syntax _
+  | Unknown_type _
+  | Id_not_a_function _
+  | Wrong_type_of_expression_in_var_dec _
+  | 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