Abandon -classic-display

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

module Abs = Tiger_absyn
module Pos = Tiger_position
module Sym = Tiger_symbol
module Typ = Tiger_env_type

type 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_not_a_function of {id    : Sym.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_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