X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=compiler%2Fsrc%2Flib%2Ftiger%2Ftiger_error.mli;h=0344269936ff5e0a895fb611ced8f247bab4418a;hb=HEAD;hp=1f0d0ce151b99c13d92323c29d37420468578591;hpb=2f38b9f1292d971826d540718855f63431029715;p=tiger.ml.git

diff --git a/compiler/src/lib/tiger/tiger_error.mli b/compiler/src/lib/tiger/tiger_error.mli
index 1f0d0ce..0344269 100644
--- a/compiler/src/lib/tiger/tiger_error.mli
+++ b/compiler/src/lib/tiger/tiger_error.mli
@@ -1,3 +1,89 @@
-exception T of string
+module Abs = Tiger_absyn
+module Pos = Tiger_position
+module Sym = Tiger_symbol
+module Typ = Tiger_env_type
 
-val exn : pos:Tiger_position.t -> string -> 'a
+type t =
+  | Cycle_in_type_decs of
+      { from_id  : Sym.t
+      ; from_pos : Pos.t
+      ;   to_id  : Sym.t
+      ;   to_pos : Pos.t
+      }
+  | Break_outside_loop of Pos.t
+  | Invalid_syntax    of Pos.t
+  | Unknown_id        of {id    : Sym.t; pos : Pos.t}
+  | Unknown_type      of {ty_id : Sym.t; pos : Pos.t}
+  | Id_is_a_function  of {id    : Sym.t; pos : Pos.t}
+  | Id_not_a_function of {id    : Sym.t; pos : Pos.t}
+  | No_such_field_in_record of {field : Sym.t; record : Typ.t; pos : Pos.t}
+  | Exp_not_a_record  of {ty    : Typ.t; pos : Pos.t}
+  | Exp_not_an_array  of {ty    : Typ.t; pos : Pos.t}
+  | Wrong_type of
+      { expected : Typ.t
+      ; given    : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_type_of_expression_in_var_dec of
+      { var_id   : Sym.t
+      ; expected : Typ.t
+      ; given    : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_type_used_as_record of
+      { ty_id    : Sym.t
+      ; ty       : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_type_used_as_array of
+      { ty_id    : Sym.t
+      ; ty       : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_type_of_field_value of
+      { field_id : Sym.t
+      ; expected : Typ.t
+      ; given    : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_type_of_arg of
+      { func     : Sym.t
+      ; expected : Typ.t
+      ; given    : Typ.t
+      ; pos      : Pos.t
+      }
+  | Wrong_number_of_args of
+      { func     : Sym.t
+      ; expected : int
+      ; given    : int
+      ; pos      : Pos.t
+      }
+  | Invalid_operand_type of
+      { oper  : Abs.oper
+      ; valid : string list
+      ; given : Typ.t
+      ; pos   : Pos.t
+      }
+  | Different_operand_types of
+      { oper  : Abs.oper
+      ; left  : Typ.t
+      ; right : Typ.t
+      ; pos   : Pos.t
+      }
+
+exception T of t
+
+val raise : t -> 'a
+
+val to_string : t -> string
+
+val is_unknown_id   : t -> bool
+val is_unknown_type : t -> bool
+val is_wrong_type   : t -> bool
+val is_wrong_number_of_args : t -> bool
+val is_invalid_syntax : t -> bool
+val is_not_a_record : t -> bool
+val is_not_an_array : t -> bool
+val is_no_such_field_in_record : t -> bool
+val is_cycle_in_type_dec : t -> bool
+val is_break_outside_loop : t -> bool