ocaml/typing/typedecl.mli

82 lines
3.1 KiB
OCaml

(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* Typing of type definitions and primitive definitions *)
open Types
open Format
val transl_type_decl:
Env.t -> Parsetree.type_declaration list ->
Typedtree.type_declaration list * Env.t
val transl_exception:
Env.t ->
Parsetree.constructor_declaration -> Typedtree.constructor_declaration * exception_declaration * Env.t
val transl_exn_rebind:
Env.t -> Location.t -> Longident.t -> Path.t * exception_declaration
val transl_value_decl:
Env.t -> Location.t ->
Parsetree.value_description -> Typedtree.value_description * Env.t
val transl_with_constraint:
Env.t -> Ident.t -> Path.t option -> Types.type_declaration ->
Parsetree.type_declaration -> Typedtree.type_declaration
val abstract_type_decl: int -> type_declaration
val approx_type_decl:
Env.t -> Parsetree.type_declaration list ->
(Ident.t * type_declaration) list
val check_recmod_typedecl:
Env.t -> Location.t -> Ident.t list -> Path.t -> type_declaration -> unit
(* for fixed types *)
val is_fixed_type : Parsetree.type_declaration -> bool
(* for typeclass.ml *)
val compute_variance_decls:
Env.t ->
(Ident.t * Types.type_declaration * Types.type_declaration *
Types.class_declaration * Types.class_type_declaration *
'a Typedtree.class_infos) list ->
(Types.type_declaration * Types.type_declaration *
Types.class_declaration * Types.class_type_declaration) list
type error =
Repeated_parameter
| Duplicate_constructor of string
| Too_many_constructors
| Duplicate_label of string
| Recursive_abbrev of string
| Definition_mismatch of type_expr * Includecore.type_mismatch list
| Constraint_failed of type_expr * type_expr
| Inconsistent_constraint of Env.t * (type_expr * type_expr) list
| Type_clash of Env.t * (type_expr * type_expr) list
| Parameters_differ of Path.t * type_expr * type_expr
| Null_arity_external
| Missing_native_external
| Unbound_type_var of type_expr * type_declaration
| Unbound_exception of Longident.t
| Not_an_exception of Longident.t
| Bad_variance of int * (bool*bool) * (bool*bool)
| Unavailable_type_constructor of Path.t
| Bad_fixed_type of string
| Unbound_type_var_exc of type_expr * type_expr
| Varying_anonymous
| Exception_constructor_with_result
exception Error of Location.t * error
val report_error: formatter -> error -> unit