ocaml/ocamldoc/odoc_module.ml

555 lines
20 KiB
OCaml

(***********************************************************************)
(* *)
(* OCamldoc *)
(* *)
(* Maxence Guesdon, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2001 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. *)
(* *)
(***********************************************************************)
(** Representation and manipulation of modules and module types. *)
let print_DEBUG s = print_string s ; print_newline ()
module Name = Odoc_name
(** To keep the order of elements in a module. *)
type module_element =
Element_module of t_module
| Element_module_type of t_module_type
| Element_included_module of included_module
| Element_class of Odoc_class.t_class
| Element_class_type of Odoc_class.t_class_type
| Element_value of Odoc_value.t_value
| Element_type_extension of Odoc_extension.t_type_extension
| Element_exception of Odoc_exception.t_exception
| Element_type of Odoc_type.t_type
| Element_module_comment of Odoc_types.text
(** Used where we can reference t_module or t_module_type *)
and mmt =
| Mod of t_module
| Modtype of t_module_type
and included_module = {
im_name : Name.t ; (** the name of the included module *)
mutable im_module : mmt option ; (** the included module or module type *)
mutable im_info : Odoc_types.info option ; (** comment associated to the includ directive *)
}
and module_alias = {
ma_name : Name.t ;
mutable ma_module : mmt option ; (** the real module or module type if we could associate it *)
}
and module_parameter = {
mp_name : string ; (** the name *)
mp_type : Types.module_type option ; (** the type *)
mp_type_code : string ; (** the original code *)
mp_kind : module_type_kind ; (** the way the parameter was built *)
}
(** Different kinds of module. *)
and module_kind =
| Module_struct of module_element list
| Module_alias of module_alias (** complete name and corresponding module if we found it *)
| Module_functor of module_parameter * module_kind
| Module_apply of module_kind * module_kind
| Module_with of module_type_kind * string
| Module_constraint of module_kind * module_type_kind
| Module_typeof of string (** by now only the code of the module expression *)
| Module_unpack of string * module_type_alias (** code of the expression and module type alias *)
(** Representation of a module. *)
and t_module = {
m_name : Name.t ;
mutable m_type : Types.module_type ;
mutable m_info : Odoc_types.info option ;
m_is_interface : bool ; (** true for modules read from interface files *)
m_file : string ; (** the file the module is defined in. *)
mutable m_kind : module_kind ;
mutable m_loc : Odoc_types.location ;
mutable m_top_deps : Name.t list ; (** The toplevels module names this module depends on. *)
mutable m_code : string option ; (** The whole code of the module *)
mutable m_code_intf : string option ; (** The whole code of the interface of the module *)
m_text_only : bool ; (** [true] if the module comes from a text file *)
}
and module_type_alias = {
mta_name : Name.t ;
mutable mta_module : t_module_type option ; (** the real module type if we could associate it *)
}
(** Different kinds of module type. *)
and module_type_kind =
| Module_type_struct of module_element list
| Module_type_functor of module_parameter * module_type_kind
| Module_type_alias of module_type_alias (** complete name and corresponding module type if we found it *)
| Module_type_with of module_type_kind * string (** the module type kind and the code of the with constraint *)
| Module_type_typeof of string (** by now only the code of the module expression *)
(** Representation of a module type. *)
and t_module_type = {
mt_name : Name.t ;
mutable mt_info : Odoc_types.info option ;
mutable mt_type : Types.module_type option ; (** [None] = abstract module type *)
mt_is_interface : bool ; (** true for modules read from interface files *)
mt_file : string ; (** the file the module type is defined in. *)
mutable mt_kind : module_type_kind option ; (** [None] = abstract module type if mt_type = None ;
Always [None] when the module type was extracted from the implementation file. *)
mutable mt_loc : Odoc_types.location ;
}
(** {2 Functions} *)
(** Returns the list of values from a list of module_element. *)
let values l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_value v -> acc @ [v]
| _ -> acc
)
[]
l
(** Returns the list of types from a list of module_element. *)
let types l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_type t -> acc @ [t]
| _ -> acc
)
[]
l
(** Returns the list of type extensions from a list of module_element. *)
let type_extensions l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_type_extension x -> acc @ [x]
| _ -> acc
)
[]
l
(** Returns the list of exceptions from a list of module_element. *)
let exceptions l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_exception e -> acc @ [e]
| _ -> acc
)
[]
l
(** Returns the list of classes from a list of module_element. *)
let classes l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_class c -> acc @ [c]
| _ -> acc
)
[]
l
(** Returns the list of class types from a list of module_element. *)
let class_types l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_class_type ct -> acc @ [ct]
| _ -> acc
)
[]
l
(** Returns the list of modules from a list of module_element. *)
let modules l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_module m -> acc @ [m]
| _ -> acc
)
[]
l
(** Returns the list of module types from a list of module_element. *)
let mod_types l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_module_type mt -> acc @ [mt]
| _ -> acc
)
[]
l
(** Returns the list of module comment from a list of module_element. *)
let comments l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_module_comment t -> acc @ [t]
| _ -> acc
)
[]
l
(** Returns the list of included modules from a list of module_element. *)
let included_modules l =
List.fold_left
(fun acc -> fun ele ->
match ele with
Element_included_module m -> acc @ [m]
| _ -> acc
)
[]
l
(** Returns the list of elements of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let rec module_elements ?(trans=true) m =
let rec iter_kind = function
Module_struct l ->
print_DEBUG "Odoc_module.module_element: Module_struct";
l
| Module_alias ma ->
print_DEBUG "Odoc_module.module_element: Module_alias";
if trans then
match ma.ma_module with
None -> []
| Some (Mod m) -> module_elements m
| Some (Modtype mt) -> module_type_elements mt
else
[]
| Module_functor (_, k)
| Module_apply (k, _) ->
print_DEBUG "Odoc_module.module_element: Module_functor ou Module_apply";
iter_kind k
| Module_with (tk,_) ->
print_DEBUG "Odoc_module.module_element: Module_with";
module_type_elements ~trans: trans
{ mt_name = "" ; mt_info = None ; mt_type = None ;
mt_is_interface = false ; mt_file = "" ; mt_kind = Some tk ;
mt_loc = Odoc_types.dummy_loc ;
}
| Module_constraint (k, tk) ->
print_DEBUG "Odoc_module.module_element: Module_constraint";
(* FIXME : use k or tk ? *)
module_elements ~trans: trans
{ m_name = "" ;
m_info = None ;
m_type = Types.Mty_signature [] ;
m_is_interface = false ; m_file = "" ; m_kind = k ;
m_loc = Odoc_types.dummy_loc ;
m_top_deps = [] ;
m_code = None ;
m_code_intf = None ;
m_text_only = false ;
}
| Module_typeof _ -> []
| Module_unpack _ -> []
(*
module_type_elements ~trans: trans
{ mt_name = "" ; mt_info = None ; mt_type = None ;
mt_is_interface = false ; mt_file = "" ; mt_kind = Some tk ;
mt_loc = Odoc_types.dummy_loc }
*)
in
iter_kind m.m_kind
(** Returns the list of elements of a module type.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
and module_type_elements ?(trans=true) mt =
let rec iter_kind = function
| None -> []
| Some (Module_type_struct l) -> l
| Some (Module_type_functor (_, k)) -> iter_kind (Some k)
| Some (Module_type_with (k, _)) ->
if trans then
iter_kind (Some k)
else
[]
| Some (Module_type_alias mta) ->
if trans then
match mta.mta_module with
None -> []
| Some mt -> module_type_elements mt
else
[]
| Some (Module_type_typeof _) -> []
in
iter_kind mt.mt_kind
(** Returns the list of values of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_values ?(trans=true) m = values (module_elements ~trans m)
(** Returns the list of functional values of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_functions ?(trans=true) m =
List.filter
(fun v -> Odoc_value.is_function v)
(values (module_elements ~trans m))
(** Returns the list of non-functional values of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_simple_values ?(trans=true) m =
List.filter
(fun v -> not (Odoc_value.is_function v))
(values (module_elements ~trans m))
(** Returns the list of types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_types ?(trans=true) m = types (module_elements ~trans m)
(** Returns the list of type extensions of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_extensions ?(trans=true) m = type_extensions (module_elements ~trans m)
(** Returns the list of exceptions of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_exceptions ?(trans=true) m = exceptions (module_elements ~trans m)
(** Returns the list of classes of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_classes ?(trans=true) m = classes (module_elements ~trans m)
(** Returns the list of class types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_class_types ?(trans=true) m = class_types (module_elements ~trans m)
(** Returns the list of modules of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_modules ?(trans=true) m = modules (module_elements ~trans m)
(** Returns the list of module types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_module_types ?(trans=true) m = mod_types (module_elements ~trans m)
(** Returns the list of included module of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_included_modules ?(trans=true) m = included_modules (module_elements ~trans m)
(** Returns the list of comments of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_comments ?(trans=true) m = comments (module_elements ~trans m)
(** Access to the parameters, for a functor type.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let rec module_type_parameters ?(trans=true) mt =
let rec iter k =
match k with
Some (Module_type_functor (p, k2)) ->
let param =
(* we create the couple (parameter, description opt), using
the description of the parameter if we can find it in the comment.*)
match mt.mt_info with
None -> (p, None)
| Some i ->
try
let d = List.assoc p.mp_name i.Odoc_types.i_params in
(p, Some d)
with
Not_found ->
(p, None)
in
param :: (iter (Some k2))
| Some (Module_type_alias mta) ->
if trans then
match mta.mta_module with
None -> []
| Some mt2 -> module_type_parameters ~trans mt2
else
[]
| Some (Module_type_with (k, _)) ->
if trans then
iter (Some k)
else
[]
| Some (Module_type_struct _) ->
[]
| Some (Module_type_typeof _) -> []
| None ->
[]
in
iter mt.mt_kind
(** Access to the parameters, for a functor.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
and module_parameters ?(trans=true) m =
let rec iter = function
Module_functor (p, k) ->
let param =
(* we create the couple (parameter, description opt), using
the description of the parameter if we can find it in the comment.*)
match m.m_info with
None ->(p, None)
| Some i ->
try
let d = List.assoc p.mp_name i.Odoc_types.i_params in
(p, Some d)
with
Not_found ->
(p, None)
in
param :: (iter k)
| Module_alias ma ->
if trans then
match ma.ma_module with
None -> []
| Some (Mod m) -> module_parameters ~trans m
| Some (Modtype mt) -> module_type_parameters ~trans mt
else
[]
| Module_constraint (k, tk) ->
module_type_parameters ~trans: trans
{ mt_name = "" ; mt_info = None ; mt_type = None ;
mt_is_interface = false ; mt_file = "" ; mt_kind = Some tk ;
mt_loc = Odoc_types.dummy_loc }
| Module_struct _
| Module_apply _
| Module_with _
| Module_typeof _
| Module_unpack _ -> []
in
iter m.m_kind
(** access to all submodules and sudmobules of submodules ... of the given module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let rec module_all_submodules ?(trans=true) m =
let l = module_modules ~trans m in
List.fold_left
(fun acc -> fun m -> acc @ (module_all_submodules ~trans m))
l
l
(** The module type is a functor if is defined as a functor or if it is an alias for a functor. *)
let rec module_type_is_functor mt =
let rec iter k =
match k with
Some (Module_type_functor _) -> true
| Some (Module_type_alias mta) ->
(
match mta.mta_module with
None -> false
| Some mtyp -> module_type_is_functor mtyp
)
| Some (Module_type_with (k, _)) ->
iter (Some k)
| Some (Module_type_struct _)
| Some (Module_type_typeof _)
| None -> false
in
iter mt.mt_kind
(** The module is a functor if is defined as a functor or if it is an alias for a functor. *)
let module_is_functor m =
let rec iter = function
Module_functor _ -> true
| Module_alias ma ->
(
match ma.ma_module with
None -> false
| Some (Mod mo) -> iter mo.m_kind
| Some (Modtype mt) -> module_type_is_functor mt
)
| Module_constraint (k, _) ->
iter k
| _ -> false
in
iter m.m_kind
(** Returns the list of values of a module type.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_values ?(trans=true) m = values (module_type_elements ~trans m)
(** Returns the list of types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_types ?(trans=true) m = types (module_type_elements ~trans m)
(** Returns the list of type extensions of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_type_extensions ?(trans=true) m = type_extensions (module_type_elements ~trans m)
(** Returns the list of exceptions of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_exceptions ?(trans=true) m = exceptions (module_type_elements ~trans m)
(** Returns the list of classes of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_classes ?(trans=true) m = classes (module_type_elements ~trans m)
(** Returns the list of class types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_class_types ?(trans=true) m = class_types (module_type_elements ~trans m)
(** Returns the list of modules of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_modules ?(trans=true) m = modules (module_type_elements ~trans m)
(** Returns the list of module types of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_module_types ?(trans=true) m = mod_types (module_type_elements ~trans m)
(** Returns the list of included module of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_included_modules ?(trans=true) m = included_modules (module_type_elements ~trans m)
(** Returns the list of comments of a module.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_comments ?(trans=true) m = comments (module_type_elements ~trans m)
(** Returns the list of functional values of a module type.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_functions ?(trans=true) mt =
List.filter
(fun v -> Odoc_value.is_function v)
(values (module_type_elements ~trans mt))
(** Returns the list of non-functional values of a module type.
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let module_type_simple_values ?(trans=true) mt =
List.filter
(fun v -> not (Odoc_value.is_function v))
(values (module_type_elements ~trans mt))
(** {2 Functions for modules and module types} *)
(** The list of classes defined in this module and all its modules, functors, ....
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
let rec module_all_classes ?(trans=true) m =
List.fold_left
(fun acc -> fun m -> acc @ (module_all_classes ~trans m))
(
List.fold_left
(fun acc -> fun mtyp -> acc @ (module_type_all_classes ~trans mtyp))
(module_classes ~trans m)
(module_module_types ~trans m)
)
(module_modules ~trans m)
(** The list of classes defined in this module type and all its modules, functors, ....
@param trans indicates if, for aliased modules, we must perform a transitive search.*)
and module_type_all_classes ?(trans=true) mt =
List.fold_left
(fun acc -> fun m -> acc @ (module_all_classes ~trans m))
(
List.fold_left
(fun acc -> fun mtyp -> acc @ (module_type_all_classes ~trans mtyp))
(module_type_classes ~trans mt)
(module_type_module_types ~trans mt)
)
(module_type_modules ~trans mt)