ocaml/ocamldoc/odoc_env.ml

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(***********************************************************************)
(* 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. *)
(* *)
(***********************************************************************)
(** Environment for finding complete names from relative names. *)
let print_DEBUG s = print_string s ; print_newline ();;
module Name = Odoc_name
(** relative name * complete name *)
type env_element = Name.t * Name.t
type env = {
env_values : env_element list ;
env_types : env_element list ;
env_class_types : env_element list ;
env_classes : env_element list ;
env_modules : env_element list ;
env_module_types : env_element list ;
env_exceptions : env_element list ;
}
let empty = {
env_values = [] ;
env_types = [] ;
env_class_types = [] ;
env_classes = [] ;
env_modules = [] ;
env_module_types = [] ;
env_exceptions = [] ;
}
(** Add a signature to an environment. *)
let rec add_signature env root ?rel signat =
let qualify id = Name.concat root (Name.from_ident id) in
let rel_name id =
let n = Name.from_ident id in
match rel with
None -> n
| Some r -> Name.concat r n
in
let f env item =
match item with
Types.Tsig_value (ident, _) -> { env with env_values = (rel_name ident, qualify ident) :: env.env_values }
| Types.Tsig_type (ident,_ ) -> { env with env_types = (rel_name ident, qualify ident) :: env.env_types }
| Types.Tsig_exception (ident, _) -> { env with env_exceptions = (rel_name ident, qualify ident) :: env.env_exceptions }
| Types.Tsig_module (ident, modtype) ->
let env2 =
match modtype with (* A VOIR : le cas o<> c'est un identificateur, dans ce cas on n'a pas de signature *)
Types.Tmty_signature s -> add_signature env (qualify ident) ~rel: (rel_name ident) s
| _ -> env
in
{ env2 with env_modules = (rel_name ident, qualify ident) :: env2.env_modules }
| Types.Tsig_modtype (ident, modtype_decl) ->
let env2 =
match modtype_decl with
Types.Tmodtype_abstract ->
env
| Types.Tmodtype_manifest modtype ->
match modtype with
(* A VOIR : le cas o<> c'est un identificateur, dans ce cas on n'a pas de signature *)
Types.Tmty_signature s -> add_signature env (qualify ident) ~rel: (rel_name ident) s
| _ -> env
in
{ env2 with env_module_types = (rel_name ident, qualify ident) :: env2.env_module_types }
| Types.Tsig_class (ident, _) -> { env with env_classes = (rel_name ident, qualify ident) :: env.env_classes }
| Types.Tsig_cltype (ident, _) -> { env with env_class_types = (rel_name ident, qualify ident) :: env.env_class_types }
in
List.fold_left f env signat
let add_exception env full_name =
let simple_name = Name.simple full_name in
{ env with env_exceptions = (simple_name, full_name) :: env.env_exceptions }
let add_type env full_name =
let simple_name = Name.simple full_name in
{ env with env_types = (simple_name, full_name) :: env.env_types }
let add_value env full_name =
let simple_name = Name.simple full_name in
{ env with env_values = (simple_name, full_name) :: env.env_values }
let add_module env full_name =
let simple_name = Name.simple full_name in
{ env with env_modules = (simple_name, full_name) :: env.env_modules }
let add_module_type env full_name =
let simple_name = Name.simple full_name in
{ env with env_module_types = (simple_name, full_name) :: env.env_module_types }
let add_class env full_name =
let simple_name = Name.simple full_name in
{ env with
env_classes = (simple_name, full_name) :: env.env_classes ;
(* we also add a type 'cause the class name may appear as a type *)
env_types = (simple_name, full_name) :: env.env_types
}
let add_class_type env full_name =
let simple_name = Name.simple full_name in
{ env with
env_class_types = (simple_name, full_name) :: env.env_class_types ;
(* we also add a type 'cause the class type name may appear as a type *)
env_types = (simple_name, full_name) :: env.env_types
}
let full_module_name env n =
try List.assoc n env.env_modules
with Not_found ->
print_DEBUG ("Module "^n^" not found with env=");
List.iter (fun (sn, fn) -> print_DEBUG ("("^sn^", "^fn^")")) env.env_modules;
n
let full_module_type_name env n =
try List.assoc n env.env_module_types
with Not_found ->
print_DEBUG ("Module "^n^" not found with env=");
List.iter (fun (sn, fn) -> print_DEBUG ("("^sn^", "^fn^")")) env.env_modules;
n
let full_module_or_module_type_name env n =
try List.assoc n env.env_modules
with Not_found -> full_module_type_name env n
let full_type_name env n =
try
let full = List.assoc n env.env_types in
(** print_string ("type "^n^" is "^full);
print_newline ();*)
full
with Not_found ->
(** print_string ("type "^n^" not found");
print_newline ();*)
n
let full_value_name env n =
try List.assoc n env.env_values
with Not_found -> n
let full_exception_name env n =
try List.assoc n env.env_exceptions
with Not_found ->
print_DEBUG ("Exception "^n^" not found with env=");
List.iter (fun (sn, fn) -> print_DEBUG ("("^sn^", "^fn^")")) env.env_exceptions;
n
let full_class_name env n =
try List.assoc n env.env_classes
with Not_found ->
print_DEBUG ("Class "^n^" not found with env=");
List.iter (fun (sn, fn) -> print_DEBUG ("("^sn^", "^fn^")")) env.env_classes;
n
let full_class_type_name env n =
try List.assoc n env.env_class_types
with Not_found ->
print_DEBUG ("Class type "^n^" not found with env=");
List.iter (fun (sn, fn) -> print_DEBUG ("("^sn^", "^fn^")")) env.env_class_types;
n
let full_class_or_class_type_name env n =
try List.assoc n env.env_classes
with Not_found -> full_class_type_name env n
let subst_type env t =
(** print_string "Odoc_env.subst_type";
print_newline ();
*)
Printtyp.mark_loops t;
let deja_vu = ref [] in
let rec iter t =
if List.memq t !deja_vu then () else begin
deja_vu := t :: !deja_vu;
Btype.iter_type_expr iter t;
match t.Types.desc with
| Types.Tconstr (p, [ty], a) when Path.same p Predef.path_option ->
()
| Types.Tconstr (p, l, a) ->
let new_p =
Odoc_name.to_path (full_type_name env (Odoc_name.from_path p)) in
t.Types.desc <- Types.Tconstr (new_p, l, a)
| Types.Tobject (_, ({contents=Some(p,tyl)} as r)) ->
let new_p =
Odoc_name.to_path (full_type_name env (Odoc_name.from_path p)) in
r := Some (new_p, tyl)
| Types.Tvariant ({Types.row_name=Some(p, tyl)} as row) ->
let new_p =
Odoc_name.to_path (full_type_name env (Odoc_name.from_path p)) in
t.Types.desc <-
Types.Tvariant {row with Types.row_name=Some(new_p, tyl)}
| _ ->
()
end
in
iter t;
t
let subst_module_type env t =
let rec iter t =
match t with
Types.Tmty_ident p ->
let new_p = Odoc_name.to_path (full_module_type_name env (Odoc_name.from_path p)) in
Types.Tmty_ident new_p
| Types.Tmty_signature _ ->
t
| Types.Tmty_functor (id, mt1, mt2) ->
Types.Tmty_functor (id, iter mt1, iter mt2)
in
iter t
let subst_class_type env t =
let rec iter t =
match t with
Types.Tcty_constr (p,texp_list,ct) ->
let new_p = Odoc_name.to_path (full_type_name env (Odoc_name.from_path p)) in
let new_texp_list = List.map (subst_type env) texp_list in
let new_ct = iter ct in
Types.Tcty_constr (new_p, new_texp_list, new_ct)
| Types.Tcty_signature cs ->
(* on ne s'occupe pas des vals et methods *)
t
| Types.Tcty_fun (l, texp, ct) ->
let new_texp = subst_type env texp in
let new_ct = iter ct in
Types.Tcty_fun (l, new_texp, new_ct)
in
iter t