125 lines
5.3 KiB
OCaml
125 lines
5.3 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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(* Typechecking of type expressions for the core language *)
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open Types
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val transl_simple_type:
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Env.t -> bool -> Parsetree.core_type -> Typedtree.core_type
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val transl_simple_type_univars:
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Env.t -> Parsetree.core_type -> Typedtree.core_type
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val transl_simple_type_delayed:
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Env.t -> Parsetree.core_type -> Typedtree.core_type * (unit -> unit)
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(* Translate a type, but leave type variables unbound. Returns
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the type and a function that binds the type variable. *)
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val transl_type_scheme:
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Env.t -> Parsetree.core_type -> Typedtree.core_type
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val reset_type_variables: unit -> unit
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val type_variable: Location.t -> string -> type_expr
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val transl_type_param:
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Env.t -> Parsetree.core_type -> Typedtree.core_type
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type variable_context
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val narrow: unit -> variable_context
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val widen: variable_context -> unit
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exception Already_bound
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type error =
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Unbound_type_variable of string
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| Unbound_type_constructor of Longident.t
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| Unbound_type_constructor_2 of Path.t
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| Type_arity_mismatch of Longident.t * int * int
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| Bound_type_variable of string
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| Recursive_type
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| Unbound_row_variable of Longident.t
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| Type_mismatch of Ctype.Unification_trace.t
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| Alias_type_mismatch of Ctype.Unification_trace.t
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| Present_has_conjunction of string
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| Present_has_no_type of string
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| Constructor_mismatch of type_expr * type_expr
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| Not_a_variant of type_expr
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| Variant_tags of string * string
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| Invalid_variable_name of string
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| Cannot_quantify of string * type_expr
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| Multiple_constraints_on_type of Longident.t
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| Method_mismatch of string * type_expr * type_expr
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| Unbound_value of Longident.t
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| Unbound_constructor of Longident.t
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| Unbound_label of Longident.t
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| Unbound_module of Longident.t
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| Unbound_class of Longident.t
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| Unbound_modtype of Longident.t
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| Unbound_cltype of Longident.t
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| Ill_typed_functor_application
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of Longident.t * Longident.t * Includemod.error list option
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| Illegal_reference_to_recursive_module
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| Wrong_use_of_module of Longident.t * [ `Structure_used_as_functor
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| `Abstract_used_as_functor
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| `Functor_used_as_structure
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| `Abstract_used_as_structure
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| `Generative_used_as_applicative
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]
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| Cannot_scrape_alias of Longident.t * Path.t
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| Opened_object of Path.t option
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| Not_an_object of type_expr
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| Unbound_value_missing_rec of Longident.t * Location.t
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exception Error of Location.t * Env.t * error
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val report_error: Env.t -> Format.formatter -> error -> unit
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(* Support for first-class modules. *)
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val transl_modtype_longident: (* from Typemod *)
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(Location.t -> Env.t -> Longident.t -> Path.t) ref
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val transl_modtype: (* from Typemod *)
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(Env.t -> Parsetree.module_type -> Typedtree.module_type) ref
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val create_package_mty:
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Location.t -> Env.t -> Parsetree.package_type ->
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(Longident.t Asttypes.loc * Parsetree.core_type) list *
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Parsetree.module_type
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val find_type:
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Env.t -> Location.t -> Longident.t -> Path.t * type_declaration
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val find_constructor:
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Env.t -> Location.t -> Longident.t -> constructor_description
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val find_all_constructors:
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Env.t -> Location.t -> Longident.t ->
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(constructor_description * (unit -> unit)) list
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val find_label:
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Env.t -> Location.t -> Longident.t -> label_description
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val find_all_labels:
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Env.t -> Location.t -> Longident.t ->
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(label_description * (unit -> unit)) list
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val find_value:
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Env.t -> Location.t -> Longident.t -> Path.t * value_description
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val find_class:
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Env.t -> Location.t -> Longident.t -> Path.t * class_declaration
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val find_module:
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Env.t -> Location.t -> Longident.t -> Path.t * module_declaration
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val lookup_module:
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?load:bool -> Env.t -> Location.t -> Longident.t -> Path.t
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val find_modtype:
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Env.t -> Location.t -> Longident.t -> Path.t * modtype_declaration
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val find_class_type:
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Env.t -> Location.t -> Longident.t -> Path.t * class_type_declaration
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val unbound_constructor_error: Env.t -> Longident.t Location.loc -> 'a
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val unbound_label_error: Env.t -> Longident.t Location.loc -> 'a
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(* To update location from typemod errors *)
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val typemod_update_location: (Location.t -> exn -> exn) ref
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