ocaml/ocamldoc/odoc_sig.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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(** Analysis of interface files. *)
open Misc
open Asttypes
open Types
open Typedtree
open Path
let print_DEBUG s = print_string s ; print_newline ();;
module Name = Odoc_name
open Odoc_parameter
open Odoc_value
open Odoc_type
open Odoc_exception
open Odoc_class
open Odoc_module
open Odoc_types
module Signature_search =
struct
type ele =
| M of string
| MT of string
| V of string
| T of string
| C of string
| CT of string
| E of string
| ER of string
| P of string
type tab = (ele, Types.signature_item) Hashtbl.t
let add_to_hash table signat =
match signat with
Types.Tsig_value (ident, _) ->
Hashtbl.add table (V (Name.from_ident ident)) signat
| Types.Tsig_exception (ident, _) ->
Hashtbl.add table (E (Name.from_ident ident)) signat
| Types.Tsig_type (ident, _, _) ->
Hashtbl.add table (T (Name.from_ident ident)) signat
| Types.Tsig_class (ident, _, _) ->
Hashtbl.add table (C (Name.from_ident ident)) signat
| Types.Tsig_cltype (ident, _, _) ->
Hashtbl.add table (CT (Name.from_ident ident)) signat
| Types.Tsig_module (ident, _, _) ->
Hashtbl.add table (M (Name.from_ident ident)) signat
| Types.Tsig_modtype (ident,_) ->
Hashtbl.add table (MT (Name.from_ident ident)) signat
let table signat =
let t = Hashtbl.create 13 in
List.iter (add_to_hash t) signat;
t
let search_value table name =
match Hashtbl.find table (V name) with
| (Types.Tsig_value (_, val_desc)) -> val_desc.Types.val_type
| _ -> assert false
let search_exception table name =
match Hashtbl.find table (E name) with
| (Types.Tsig_exception (_, type_expr_list)) ->
type_expr_list
| _ -> assert false
let search_type table name =
match Hashtbl.find table (T name) with
| (Types.Tsig_type (_, type_decl, _)) -> type_decl
| _ -> assert false
let search_class table name =
match Hashtbl.find table (C name) with
| (Types.Tsig_class (_, class_decl, _)) -> class_decl
| _ -> assert false
let search_class_type table name =
match Hashtbl.find table (CT name) with
| (Types.Tsig_cltype (_, cltype_decl, _)) -> cltype_decl
| _ -> assert false
let search_module table name =
match Hashtbl.find table (M name) with
| (Types.Tsig_module (ident, module_type, _)) -> module_type
| _ -> assert false
let search_module_type table name =
match Hashtbl.find table (MT name) with
| (Types.Tsig_modtype (_, Types.Tmodtype_manifest module_type)) ->
Some module_type
| (Types.Tsig_modtype (_, Types.Tmodtype_abstract)) ->
None
| _ -> assert false
let search_attribute_type name class_sig =
let (_, type_expr) = Types.Vars.find name class_sig.Types.cty_vars in
type_expr
let search_method_type name class_sig =
let fields = Odoc_misc.get_fields class_sig.Types.cty_self in
List.assoc name fields
end
module type Info_retriever =
sig
val all_special : string -> string -> int * (Odoc_types.info list)
val blank_line_outside_simple : string -> string -> bool
val just_after_special : string -> string -> (int * Odoc_types.info option)
val first_special : string -> string -> (int * Odoc_types.info option)
val get_comments :
(Odoc_types.text -> 'a) -> string -> string -> (Odoc_types.info option * 'a list)
end
module Analyser =
functor (My_ir : Info_retriever) ->
struct
(** This variable is used to load a file as a string and retrieve characters from it.*)
let file = ref ""
(** The name of the analysed file. *)
let file_name = ref ""
(** This function takes two indexes (start and end) and return the string
corresponding to the indexes in the file global variable. The function
prepare_file must have been called to fill the file global variable.*)
let get_string_of_file the_start the_end =
try
let s = String.sub !file the_start (the_end-the_start) in
s
with
Invalid_argument _ ->
""
(** This function loads the given file in the file global variable,
and sets file_name.*)
let prepare_file f input_f =
try
let s = Odoc_misc.input_file_as_string input_f in
file := s;
file_name := f
with
e ->
file := "";
raise e
(** The function used to get the comments in a class. *)
let get_comments_in_class pos_start pos_end =
My_ir.get_comments (fun t -> Class_comment t)
!file_name
(get_string_of_file pos_start pos_end)
(** The function used to get the comments in a module. *)
let get_comments_in_module pos_start pos_end =
My_ir.get_comments (fun t -> Element_module_comment t)
!file_name
(get_string_of_file pos_start pos_end)
let merge_infos = Odoc_merge.merge_info_opt Odoc_types.all_merge_options
let name_comment_from_type_kind pos_end pos_limit tk =
match tk with
Parsetree.Ptype_abstract | Parsetree.Ptype_private ->
(0, [])
| Parsetree.Ptype_variant (cons_core_type_list_list, _) ->
let rec f acc cons_core_type_list_list =
match cons_core_type_list_list with
[] ->
(0, acc)
| (name, core_type_list, loc) :: [] ->
let s = get_string_of_file
loc.Location.loc_end.Lexing.pos_cnum
pos_limit
in
let (len, comment_opt) = My_ir.just_after_special !file_name s in
(len, acc @ [ (name, comment_opt) ])
| (name, core_type_list, loc) :: (name2, core_type_list2, loc2)
:: q ->
let pos_end_first = loc.Location.loc_end.Lexing.pos_cnum in
let pos_start_second = loc2.Location.loc_start.Lexing.pos_cnum in
let s = get_string_of_file pos_end_first pos_start_second in
let (_,comment_opt) = My_ir.just_after_special !file_name s in
f (acc @ [name, comment_opt])
((name2, core_type_list2, loc2) :: q)
in
f [] cons_core_type_list_list
| Parsetree.Ptype_record (name_mutable_type_list, _) (* of (string * mutable_flag * core_type) list*) ->
let rec f = function
[] ->
[]
| (name, _, ct, xxloc) :: [] ->
let pos = ct.Parsetree.ptyp_loc.Location.loc_end.Lexing.pos_cnum in
let s = get_string_of_file pos pos_end in
let (_,comment_opt) = My_ir.just_after_special !file_name s in
[name, comment_opt]
| (name,_,ct,xxloc) :: ((name2,_,ct2,xxloc2) as ele2) :: q ->
let pos = ct.Parsetree.ptyp_loc.Location.loc_end.Lexing.pos_cnum in
let pos2 = ct2.Parsetree.ptyp_loc.Location.loc_start.Lexing.pos_cnum in
let s = get_string_of_file pos pos2 in
let (_,comment_opt) = My_ir.just_after_special !file_name s in
(name, comment_opt) :: (f (ele2 :: q))
in
(0, f name_mutable_type_list)
let get_type_kind env name_comment_list type_kind =
match type_kind with
Types.Type_abstract ->
Odoc_type.Type_abstract
| Types.Type_variant (l, priv) ->
let f (constructor_name, type_expr_list) =
let comment_opt =
try
match List.assoc constructor_name name_comment_list with
None -> None
| Some d -> d.Odoc_types.i_desc
with Not_found -> None
in
{
vc_name = constructor_name ;
vc_args = List.map (Odoc_env.subst_type env) type_expr_list ;
vc_text = comment_opt
}
in
Odoc_type.Type_variant (List.map f l, priv = Asttypes.Private)
| Types.Type_record (l, _, priv) ->
let f (field_name, mutable_flag, type_expr) =
let comment_opt =
try
match List.assoc field_name name_comment_list with
None -> None
| Some d -> d.Odoc_types.i_desc
with Not_found -> None
in
{
rf_name = field_name ;
rf_mutable = mutable_flag = Mutable ;
rf_type = Odoc_env.subst_type env type_expr ;
rf_text = comment_opt
}
in
Odoc_type.Type_record (List.map f l, priv = Asttypes.Private)
(** Analysis of the elements of a class, from the information in the parsetree and in the class
signature. @return the couple (inherited_class list, elements).*)
let analyse_class_elements env current_class_name last_pos pos_limit
class_type_field_list class_signature =
print_DEBUG "Types.Tcty_signature class_signature";
let f_DEBUG var (mutable_flag, type_exp) = print_DEBUG var in
Types.Vars.iter f_DEBUG class_signature.Types.cty_vars;
print_DEBUG ("Type de la classe "^current_class_name^" : ");
print_DEBUG (Odoc_print.string_of_type_expr class_signature.Types.cty_self);
let get_pos_limit2 q =
match q with
[] -> pos_limit
| ele2 :: _ ->
match ele2 with
Parsetree.Pctf_val (_, _, _, loc)
| Parsetree.Pctf_virt (_, _, _, loc)
| Parsetree.Pctf_meth (_, _, _, loc)
| Parsetree.Pctf_cstr (_, _, loc) -> loc.Location.loc_start.Lexing.pos_cnum
| Parsetree.Pctf_inher class_type ->
class_type.Parsetree.pcty_loc.Location.loc_start.Lexing.pos_cnum
in
let get_method name comment_opt private_flag loc q =
let complete_name = Name.concat current_class_name name in
let typ =
try Signature_search.search_method_type name class_signature
with Not_found ->
raise (Failure (Odoc_messages.method_type_not_found current_class_name name))
in
let subst_typ = Odoc_env.subst_type env typ in
let met =
{
met_value =
{
val_name = complete_name ;
val_info = comment_opt ;
val_type = subst_typ ;
val_recursive = false ;
val_parameters = Odoc_value.dummy_parameter_list subst_typ ;
val_code = None ;
val_loc = { loc_impl = None ; loc_inter = Some (!file_name, loc.Location.loc_start.Lexing.pos_cnum) };
} ;
met_private = private_flag = Asttypes.Private ;
met_virtual = false ;
}
in
let pos_limit2 = get_pos_limit2 q in
let pos_end = loc.Location.loc_end.Lexing.pos_cnum in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end pos_limit2)
in
met.met_value.val_info <- merge_infos met.met_value.val_info info_after_opt ;
(* update the parameter description *)
Odoc_value.update_value_parameters_text met.met_value;
(met, maybe_more)
in
let rec f last_pos class_type_field_list =
match class_type_field_list with
[] ->
let s = get_string_of_file last_pos pos_limit in
let (_, ele_coms) = My_ir.all_special !file_name s in
let ele_comments =
List.fold_left
(fun acc -> fun sc ->
match sc.Odoc_types.i_desc with
None ->
acc
| Some t ->
acc @ [Class_comment t])
[]
ele_coms
in
([], ele_comments)
| Parsetree.Pctf_val (name, mutable_flag, _, loc) :: q ->
(* of (string * mutable_flag * core_type option * Location.t)*)
let (comment_opt, eles_comments) = get_comments_in_class last_pos loc.Location.loc_start.Lexing.pos_cnum in
let complete_name = Name.concat current_class_name name in
let typ =
try Signature_search.search_attribute_type name class_signature
with Not_found ->
raise (Failure (Odoc_messages.attribute_type_not_found current_class_name name))
in
let subst_typ = Odoc_env.subst_type env typ in
let att =
{
att_value =
{
val_name = complete_name ;
val_info = comment_opt ;
val_type = subst_typ;
val_recursive = false ;
val_parameters = [] ;
val_code = None ;
val_loc = { loc_impl = None ; loc_inter = Some (!file_name, loc.Location.loc_start.Lexing.pos_cnum)} ;
} ;
att_mutable = mutable_flag = Asttypes.Mutable ;
}
in
let pos_limit2 = get_pos_limit2 q in
let pos_end = loc.Location.loc_end.Lexing.pos_cnum in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end pos_limit2)
in
att.att_value.val_info <- merge_infos att.att_value.val_info info_after_opt ;
let (inher_l, eles) = f (pos_end + maybe_more) q in
(inher_l, eles_comments @ ((Class_attribute att) :: eles))
| Parsetree.Pctf_virt (name, private_flag, _, loc) :: q ->
(* of (string * private_flag * core_type * Location.t) *)
let (comment_opt, eles_comments) = get_comments_in_class last_pos loc.Location.loc_start.Lexing.pos_cnum in
let (met, maybe_more) = get_method name comment_opt private_flag loc q in
let met2 = { met with met_virtual = true } in
let (inher_l, eles) = f (loc.Location.loc_end.Lexing.pos_cnum + maybe_more) q in
(inher_l, eles_comments @ ((Class_method met2) :: eles))
| Parsetree.Pctf_meth (name, private_flag, _, loc) :: q ->
(* of (string * private_flag * core_type * Location.t) *)
let (comment_opt, eles_comments) = get_comments_in_class last_pos loc.Location.loc_start.Lexing.pos_cnum in
let (met, maybe_more) = get_method name comment_opt private_flag loc q in
let (inher_l, eles) = f (loc.Location.loc_end.Lexing.pos_cnum + maybe_more) q in
(inher_l, eles_comments @ ((Class_method met) :: eles))
| (Parsetree.Pctf_cstr (_, _, loc)) :: q ->
(* of (core_type * core_type * Location.t) *)
(* A VOIR : cela correspond aux contraintes, non ? on ne les garde pas pour l'instant *)
let (comment_opt, eles_comments) = get_comments_in_class last_pos loc.Location.loc_start.Lexing.pos_cnum in
let (inher_l, eles) = f loc.Location.loc_end.Lexing.pos_cnum q in
(inher_l, eles_comments @ eles)
| Parsetree.Pctf_inher class_type :: q ->
let loc = class_type.Parsetree.pcty_loc in
let (comment_opt, eles_comments) =
get_comments_in_class last_pos loc.Location.loc_start.Lexing.pos_cnum
in
let pos_limit2 = get_pos_limit2 q in
let pos_end = loc.Location.loc_end.Lexing.pos_cnum in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end pos_limit2)
in
let comment_opt2 = merge_infos comment_opt info_after_opt in
let text_opt = match comment_opt2 with None -> None | Some i -> i.Odoc_types.i_desc in
let inh =
match class_type.Parsetree.pcty_desc with
Parsetree.Pcty_constr (longident, _) ->
(*of Longident.t * core_type list*)
let name = Name.from_longident longident in
let ic =
{
ic_name = Odoc_env.full_class_or_class_type_name env name ;
ic_class = None ;
ic_text = text_opt ;
}
in
ic
| Parsetree.Pcty_signature _
| Parsetree.Pcty_fun _ ->
(* we don't have a name for the class signature, so we call it "object ... end" *)
{
ic_name = Odoc_messages.object_end ;
ic_class = None ;
ic_text = text_opt ;
}
in
let (inher_l, eles) = f (pos_end + maybe_more) q in
(inh :: inher_l , eles_comments @ eles)
in
f last_pos class_type_field_list
(** Analyse of a .mli parse tree, to get the corresponding elements.
last_pos is the position of the first character which may be used to look for special comments.
*)
let rec analyse_parsetree env signat current_module_name last_pos pos_limit sig_item_list =
let table = Signature_search.table signat in
(* we look for the comment of each item then analyse the item *)
let rec f acc_eles acc_env last_pos = function
[] ->
let s = get_string_of_file last_pos pos_limit in
let (_, ele_coms) = My_ir.all_special !file_name s in
let ele_comments =
List.fold_left
(fun acc -> fun sc ->
match sc.Odoc_types.i_desc with
None ->
acc
| Some t ->
acc @ [Element_module_comment t])
[]
ele_coms
in
acc_eles @ ele_comments
| ele :: q ->
let (assoc_com, ele_comments) = get_comments_in_module
last_pos
ele.Parsetree.psig_loc.Location.loc_start.Lexing.pos_cnum
in
let (maybe_more, new_env, elements) = analyse_signature_item_desc
acc_env
signat
table
current_module_name
ele.Parsetree.psig_loc.Location.loc_start.Lexing.pos_cnum
ele.Parsetree.psig_loc.Location.loc_end.Lexing.pos_cnum
(match q with
[] -> pos_limit
| ele2 :: _ -> ele2.Parsetree.psig_loc.Location.loc_start.Lexing.pos_cnum
)
assoc_com
ele.Parsetree.psig_desc
in
f (acc_eles @ (ele_comments @ elements))
new_env
(ele.Parsetree.psig_loc.Location.loc_end.Lexing.pos_cnum + maybe_more)
(* for the comments of constructors in types,
which are after the constructor definition and can
go beyond ele.Parsetree.psig_loc.Location.loc_end.Lexing.pos_cnum *)
q
in
f [] env last_pos sig_item_list
(** Analyse the given signature_item_desc to create the corresponding module element
(with the given attached comment).*)
and analyse_signature_item_desc env signat table current_module_name
pos_start_ele pos_end_ele pos_limit comment_opt sig_item_desc =
match sig_item_desc with
Parsetree.Psig_value (name_pre, value_desc) ->
let type_expr =
try Signature_search.search_value table name_pre
with Not_found ->
raise (Failure (Odoc_messages.value_not_found current_module_name name_pre))
in
let name = Name.parens_if_infix name_pre in
let subst_typ = Odoc_env.subst_type env type_expr in
let v =
{
val_name = Name.concat current_module_name name ;
val_info = comment_opt ;
val_type = subst_typ ;
val_recursive = false ;
val_parameters = Odoc_value.dummy_parameter_list subst_typ ;
val_code = None ;
val_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele)}
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end_ele pos_limit)
in
v.val_info <- merge_infos v.val_info info_after_opt ;
(* update the parameter description *)
Odoc_value.update_value_parameters_text v;
let new_env = Odoc_env.add_value env v.val_name in
(maybe_more, new_env, [ Element_value v ])
| Parsetree.Psig_exception (name, exception_decl) ->
let types_excep_decl =
try Signature_search.search_exception table name
with Not_found ->
raise (Failure (Odoc_messages.exception_not_found current_module_name name))
in
let e =
{
ex_name = Name.concat current_module_name name ;
ex_info = comment_opt ;
ex_args = List.map (Odoc_env.subst_type env) types_excep_decl ;
ex_alias = None ;
ex_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
ex_code =
(
if !Odoc_args.keep_code then
Some (get_string_of_file pos_start_ele pos_end_ele)
else
None
) ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end_ele pos_limit)
in
e.ex_info <- merge_infos e.ex_info info_after_opt ;
let new_env = Odoc_env.add_exception env e.ex_name in
(maybe_more, new_env, [ Element_exception e ])
| Parsetree.Psig_type name_type_decl_list ->
(* we start by extending the environment *)
let new_env =
List.fold_left
(fun acc_env -> fun (name, _) ->
let complete_name = Name.concat current_module_name name in
Odoc_env.add_type acc_env complete_name
)
env
name_type_decl_list
in
let rec f ?(first=false) acc_maybe_more last_pos name_type_decl_list =
match name_type_decl_list with
[] ->
(acc_maybe_more, [])
| (name, type_decl) :: q ->
let (assoc_com, ele_comments) =
if first then
(comment_opt, [])
else
get_comments_in_module
last_pos
type_decl.Parsetree.ptype_loc.Location.loc_start.Lexing.pos_cnum
in
let pos_limit2 =
match q with
[] -> pos_limit
| (_, td) :: _ -> td.Parsetree.ptype_loc.Location.loc_start.Lexing.pos_cnum
in
let (maybe_more, name_comment_list) =
name_comment_from_type_kind
type_decl.Parsetree.ptype_loc.Location.loc_end.Lexing.pos_cnum
pos_limit2
type_decl.Parsetree.ptype_kind
in
print_DEBUG ("Type "^name^" : "^(match assoc_com with None -> "sans commentaire" | Some c -> Odoc_misc.string_of_info c));
let f_DEBUG (name, c_opt) = print_DEBUG ("constructor/field "^name^": "^(match c_opt with None -> "sans commentaire" | Some c -> Odoc_misc.string_of_info c)) in
List.iter f_DEBUG name_comment_list;
(* get the information for the type in the signature *)
let sig_type_decl =
try Signature_search.search_type table name
with Not_found ->
raise (Failure (Odoc_messages.type_not_found current_module_name name))
in
(* get the type kind with the associated comments *)
let type_kind = get_type_kind new_env name_comment_list sig_type_decl.Types.type_kind in
let loc_start = type_decl.Parsetree.ptype_loc.Location.loc_start.Lexing.pos_cnum in
let new_end = type_decl.Parsetree.ptype_loc.Location.loc_end.Lexing.pos_cnum + maybe_more in
(* associate the comments to each constructor and build the [Type.t_type] *)
let new_type =
{
ty_name = Name.concat current_module_name name ;
ty_info = assoc_com ;
ty_parameters =
List.map2 (fun p (co,cn,_) ->
(Odoc_env.subst_type new_env p,
co, cn)
)
sig_type_decl.Types.type_params
sig_type_decl.Types.type_variance;
ty_kind = type_kind ;
ty_manifest =
(match sig_type_decl.Types.type_manifest with
None -> None
| Some t -> Some (Odoc_env.subst_type new_env t));
ty_loc =
{ loc_impl = None ;
loc_inter = Some (!file_name,loc_start) ;
};
ty_code =
(
if !Odoc_args.keep_code then
Some (get_string_of_file loc_start new_end)
else
None
) ;
}
in
let (maybe_more2, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file new_end pos_limit2)
in
new_type.ty_info <- merge_infos new_type.ty_info info_after_opt ;
let (new_maybe_more, eles) = f
(maybe_more + maybe_more2)
(new_end + maybe_more2)
q
in
(new_maybe_more, (ele_comments @ [Element_type new_type]) @ eles)
in
let (maybe_more, types) = f ~first: true 0 pos_start_ele name_type_decl_list in
(maybe_more, new_env, types)
| Parsetree.Psig_open _ -> (* A VOIR *)
let ele_comments = match comment_opt with
None -> []
| Some i ->
match i.i_desc with
None -> []
| Some t -> [Element_module_comment t]
in
(0, env, ele_comments)
| Parsetree.Psig_module (name, module_type) ->
let complete_name = Name.concat current_module_name name in
(* get the the module type in the signature by the module name *)
let sig_module_type =
try Signature_search.search_module table name
with Not_found ->
raise (Failure (Odoc_messages.module_not_found current_module_name name))
in
let module_kind = analyse_module_kind env complete_name module_type sig_module_type in
let code_intf =
if !Odoc_args.keep_code then
let loc = module_type.Parsetree.pmty_loc in
let st = loc.Location.loc_start.Lexing.pos_cnum in
let en = loc.Location.loc_end.Lexing.pos_cnum in
Some (get_string_of_file st en)
else
None
in
let new_module =
{
m_name = complete_name ;
m_type = sig_module_type;
m_info = comment_opt ;
m_is_interface = true ;
m_file = !file_name ;
m_kind = module_kind ;
m_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
m_top_deps = [] ;
m_code = None ;
m_code_intf = code_intf ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end_ele pos_limit)
in
new_module.m_info <- merge_infos new_module.m_info info_after_opt ;
let new_env = Odoc_env.add_module env new_module.m_name in
let new_env2 =
match new_module.m_type with (* A VOIR : cela peut-il <20>tre Tmty_ident ? dans ce cas, on aurait pas la signature *)
Types.Tmty_signature s -> Odoc_env.add_signature new_env new_module.m_name ~rel: (Name.simple new_module.m_name) s
| _ -> new_env
in
(maybe_more, new_env2, [ Element_module new_module ])
| Parsetree.Psig_recmodule decls ->
(* we start by extending the environment *)
let new_env =
List.fold_left
(fun acc_env -> fun (name, _) ->
let complete_name = Name.concat current_module_name name in
let e = Odoc_env.add_module acc_env complete_name in
(* get the information for the module in the signature *)
let sig_module_type =
try Signature_search.search_module table name
with Not_found ->
raise (Failure (Odoc_messages.module_not_found current_module_name name))
in
match sig_module_type with
(* A VOIR : cela peut-il <20>tre Tmty_ident ? dans ce cas, on aurait pas la signature *)
Types.Tmty_signature s ->
Odoc_env.add_signature e complete_name ~rel: name s
| _ ->
print_DEBUG "not a Tmty_signature";
e
)
env
decls
in
let rec f ?(first=false) acc_maybe_more last_pos name_mtype_list =
match name_mtype_list with
[] ->
(acc_maybe_more, [])
| (name, modtype) :: q ->
let complete_name = Name.concat current_module_name name in
let loc_start = modtype.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum in
let loc_end = modtype.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let (assoc_com, ele_comments) =
if first then
(comment_opt, [])
else
get_comments_in_module
last_pos
loc_start
in
let pos_limit2 =
match q with
[] -> pos_limit
| (_, mty) :: _ -> mty.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum
in
(* get the information for the module in the signature *)
let sig_module_type =
try Signature_search.search_module table name
with Not_found ->
raise (Failure (Odoc_messages.module_not_found current_module_name name))
in
(* associate the comments to each constructor and build the [Type.t_type] *)
let module_kind = analyse_module_kind new_env complete_name modtype sig_module_type in
let code_intf =
if !Odoc_args.keep_code then
let loc = modtype.Parsetree.pmty_loc in
let st = loc.Location.loc_start.Lexing.pos_cnum in
let en = loc.Location.loc_end.Lexing.pos_cnum in
Some (get_string_of_file st en)
else
None
in
let new_module =
{
m_name = complete_name ;
m_type = sig_module_type;
m_info = assoc_com ;
m_is_interface = true ;
m_file = !file_name ;
m_kind = module_kind ;
m_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
m_top_deps = [] ;
m_code = None ;
m_code_intf = code_intf ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file loc_end pos_limit2)
in
new_module.m_info <- merge_infos new_module.m_info info_after_opt ;
let (maybe_more2, eles) = f
maybe_more
(loc_end + maybe_more)
q
in
(maybe_more2, (ele_comments @ [Element_module new_module]) @ eles)
in
let (maybe_more, mods) = f ~first: true 0 pos_start_ele decls in
(maybe_more, new_env, mods)
| Parsetree.Psig_modtype (name, Parsetree.Pmodtype_abstract) ->
let sig_mtype =
try Signature_search.search_module_type table name
with Not_found ->
raise (Failure (Odoc_messages.module_type_not_found current_module_name name))
in
let complete_name = Name.concat current_module_name name in
let mt =
{
mt_name = complete_name ;
mt_info = comment_opt ;
mt_type = sig_mtype ;
mt_is_interface = true ;
mt_file = !file_name ;
mt_kind = None ;
mt_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end_ele pos_limit)
in
mt.mt_info <- merge_infos mt.mt_info info_after_opt ;
let new_env = Odoc_env.add_module_type env mt.mt_name in
(maybe_more, new_env, [ Element_module_type mt ])
| Parsetree.Psig_modtype (name, Parsetree.Pmodtype_manifest module_type) ->
let complete_name = Name.concat current_module_name name in
let sig_mtype_opt =
try Signature_search.search_module_type table name
with Not_found ->
raise (Failure (Odoc_messages.module_type_not_found current_module_name name))
in
let module_type_kind =
match sig_mtype_opt with
| Some sig_mtype -> Some (analyse_module_type_kind env complete_name module_type sig_mtype)
| None -> None
in
let mt =
{
mt_name = complete_name ;
mt_info = comment_opt ;
mt_type = sig_mtype_opt ;
mt_is_interface = true ;
mt_file = !file_name ;
mt_kind = module_type_kind ;
mt_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end_ele pos_limit)
in
mt.mt_info <- merge_infos mt.mt_info info_after_opt ;
let new_env = Odoc_env.add_module_type env mt.mt_name in
let new_env2 =
match sig_mtype_opt with (* A VOIR : cela peut-il <20>tre Tmty_ident ? dans ce cas, on aurait pas la signature *)
Some (Types.Tmty_signature s) -> Odoc_env.add_signature new_env mt.mt_name ~rel: (Name.simple mt.mt_name) s
| _ -> new_env
in
(maybe_more, new_env2, [ Element_module_type mt ])
| Parsetree.Psig_include module_type ->
let rec f = function
Parsetree.Pmty_ident longident ->
Name.from_longident longident
| Parsetree.Pmty_signature _ ->
"??"
| Parsetree.Pmty_functor _ ->
"??"
| Parsetree.Pmty_with (mt, _) ->
f mt.Parsetree.pmty_desc
in
let name = (f module_type.Parsetree.pmty_desc) in
let full_name = Odoc_env.full_module_or_module_type_name env name in
let im =
{
im_name = full_name ;
im_module = None ;
im_info = comment_opt;
}
in
(0, env, [ Element_included_module im ]) (* A VOIR : <20>tendre l'environnement ? avec quoi ? *)
| Parsetree.Psig_class class_description_list ->
(* we start by extending the environment *)
let new_env =
List.fold_left
(fun acc_env -> fun class_desc ->
let complete_name = Name.concat current_module_name class_desc.Parsetree.pci_name in
Odoc_env.add_class acc_env complete_name
)
env
class_description_list
in
let rec f ?(first=false) acc_maybe_more last_pos class_description_list =
match class_description_list with
[] ->
(acc_maybe_more, [])
| class_desc :: q ->
let (assoc_com, ele_comments) =
if first then
(comment_opt, [])
else
get_comments_in_module
last_pos
class_desc.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
in
let pos_end = class_desc.Parsetree.pci_loc.Location.loc_end.Lexing.pos_cnum in
let pos_limit2 =
match q with
[] -> pos_limit
| cd :: _ -> cd.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
in
let name = class_desc.Parsetree.pci_name in
let complete_name = Name.concat current_module_name name in
let sig_class_decl =
try Signature_search.search_class table name
with Not_found ->
raise (Failure (Odoc_messages.class_not_found current_module_name name))
in
let sig_class_type = sig_class_decl.Types.cty_type in
let (parameters, class_kind) =
analyse_class_kind
new_env
complete_name
class_desc.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
class_desc.Parsetree.pci_expr
sig_class_type
in
let new_class =
{
cl_name = complete_name ;
cl_info = assoc_com ;
cl_type = Odoc_env.subst_class_type env sig_class_type ;
cl_type_parameters = sig_class_decl.Types.cty_params;
cl_virtual = class_desc.Parsetree.pci_virt = Asttypes.Virtual ;
cl_kind = class_kind ;
cl_parameters = parameters ;
cl_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end pos_limit2)
in
new_class.cl_info <- merge_infos new_class.cl_info info_after_opt ;
Odoc_class.class_update_parameters_text new_class ;
let (new_maybe_more, eles) =
f maybe_more (pos_end + maybe_more) q
in
(new_maybe_more,
ele_comments @ (( Element_class new_class ) :: eles))
in
let (maybe_more, eles) =
f ~first: true 0 pos_start_ele class_description_list
in
(maybe_more, new_env, eles)
| Parsetree.Psig_class_type class_type_declaration_list ->
(* we start by extending the environment *)
let new_env =
List.fold_left
(fun acc_env -> fun class_type_decl ->
let complete_name = Name.concat current_module_name class_type_decl.Parsetree.pci_name in
Odoc_env.add_class_type acc_env complete_name
)
env
class_type_declaration_list
in
let rec f ?(first=false) acc_maybe_more last_pos class_type_description_list =
match class_type_description_list with
[] ->
(acc_maybe_more, [])
| ct_decl :: q ->
let (assoc_com, ele_comments) =
if first then
(comment_opt, [])
else
get_comments_in_module
last_pos
ct_decl.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
in
let pos_end = ct_decl.Parsetree.pci_loc.Location.loc_end.Lexing.pos_cnum in
let pos_limit2 =
match q with
[] -> pos_limit
| ct_decl2 :: _ -> ct_decl2.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
in
let name = ct_decl.Parsetree.pci_name in
let complete_name = Name.concat current_module_name name in
let sig_cltype_decl =
try Signature_search.search_class_type table name
with Not_found ->
raise (Failure (Odoc_messages.class_type_not_found current_module_name name))
in
let sig_class_type = sig_cltype_decl.Types.clty_type in
let kind = analyse_class_type_kind
new_env
complete_name
ct_decl.Parsetree.pci_loc.Location.loc_start.Lexing.pos_cnum
ct_decl.Parsetree.pci_expr
sig_class_type
in
let ct =
{
clt_name = complete_name ;
clt_info = assoc_com ;
clt_type = Odoc_env.subst_class_type env sig_class_type ;
clt_type_parameters = sig_cltype_decl.clty_params ;
clt_virtual = ct_decl.Parsetree.pci_virt = Asttypes.Virtual ;
clt_kind = kind ;
clt_loc = { loc_impl = None ; loc_inter = Some (!file_name, pos_start_ele) } ;
}
in
let (maybe_more, info_after_opt) =
My_ir.just_after_special
!file_name
(get_string_of_file pos_end pos_limit2)
in
ct.clt_info <- merge_infos ct.clt_info info_after_opt ;
let (new_maybe_more, eles) =
f maybe_more (pos_end + maybe_more) q
in
(new_maybe_more,
ele_comments @ (( Element_class_type ct) :: eles))
in
let (maybe_more, eles) =
f ~first: true 0 pos_start_ele class_type_declaration_list
in
(maybe_more, new_env, eles)
(** Return a module_type_kind from a Parsetree.module_type and a Types.module_type *)
and analyse_module_type_kind env current_module_name module_type sig_module_type =
match module_type.Parsetree.pmty_desc with
Parsetree.Pmty_ident longident ->
let name =
match sig_module_type with
Types.Tmty_ident path -> Name.from_path path
| _ -> Name.from_longident longident
(* A VOIR cela arrive quand on fait module type F : functor ... -> Toto, Toto n'est pas un ident mais une structure *)
in
Module_type_alias { mta_name = Odoc_env.full_module_type_name env name ;
mta_module = None }
| Parsetree.Pmty_signature ast ->
(
(* we must have a signature in the module type *)
match sig_module_type with
Types.Tmty_signature signat ->
let pos_start = module_type.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum in
let pos_end = module_type.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let elements = analyse_parsetree env signat current_module_name pos_start pos_end ast in
Module_type_struct elements
| _ ->
raise (Failure "Parsetree.Pmty_signature signature but not Types.Tmty_signature signat")
)
| Parsetree.Pmty_functor (_,pmodule_type2, module_type2) ->
(
let loc_start = pmodule_type2.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum in
let loc_end = pmodule_type2.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let mp_type_code = get_string_of_file loc_start loc_end in
print_DEBUG (Printf.sprintf "mp_type_code=%s" mp_type_code);
match sig_module_type with
Types.Tmty_functor (ident, param_module_type, body_module_type) ->
let mp_kind = analyse_module_type_kind env
current_module_name pmodule_type2 param_module_type
in
let param =
{
mp_name = Name.from_ident ident ;
mp_type = Odoc_env.subst_module_type env param_module_type ;
mp_type_code = mp_type_code ;
mp_kind = mp_kind ;
}
in
let k = analyse_module_type_kind env
current_module_name
module_type2
body_module_type
in
Module_type_functor (param, k)
| _ ->
(* if we're here something's wrong *)
raise (Failure "Parsetree.Pmty_functor _ but not Types.Tmty_functor _")
)
| Parsetree.Pmty_with (module_type2, _) ->
(* of module_type * (Longident.t * with_constraint) list *)
(
let loc_start = module_type2.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let loc_end = module_type.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let s = get_string_of_file loc_start loc_end in
let k = analyse_module_type_kind env current_module_name module_type2 sig_module_type in
Module_type_with (k, s)
)
(** Analyse of a Parsetree.module_type and a Types.module_type.*)
and analyse_module_kind env current_module_name module_type sig_module_type =
match module_type.Parsetree.pmty_desc with
Parsetree.Pmty_ident longident ->
let k = analyse_module_type_kind env current_module_name module_type sig_module_type in
Module_with ( k, "" )
| Parsetree.Pmty_signature signature ->
(
match sig_module_type with
Types.Tmty_signature signat ->
Module_struct
(analyse_parsetree
env
signat
current_module_name
module_type.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum
module_type.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum
signature
)
| _ ->
(* if we're here something's wrong *)
raise (Failure "Parsetree.Pmty_signature signature but not Types.Tmty_signature signat")
)
| Parsetree.Pmty_functor (_,pmodule_type2,module_type2) (* of string * module_type * module_type *) ->
(
match sig_module_type with
Types.Tmty_functor (ident, param_module_type, body_module_type) ->
let loc_start = pmodule_type2.Parsetree.pmty_loc.Location.loc_start.Lexing.pos_cnum in
let loc_end = pmodule_type2.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let mp_type_code = get_string_of_file loc_start loc_end in
print_DEBUG (Printf.sprintf "mp_type_code=%s" mp_type_code);
let mp_kind = analyse_module_type_kind env
current_module_name pmodule_type2 param_module_type
in
let param =
{
mp_name = Name.from_ident ident ;
mp_type = Odoc_env.subst_module_type env param_module_type ;
mp_type_code = mp_type_code ;
mp_kind = mp_kind ;
}
in
let k = analyse_module_kind env
current_module_name
module_type2
body_module_type
in
Module_functor (param, k)
| _ ->
(* if we're here something's wrong *)
raise (Failure "Parsetree.Pmty_functor _ but not Types.Tmty_functor _")
)
| Parsetree.Pmty_with (module_type2, _) ->
(*of module_type * (Longident.t * with_constraint) list*)
(
let loc_start = module_type2.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let loc_end = module_type.Parsetree.pmty_loc.Location.loc_end.Lexing.pos_cnum in
let s = get_string_of_file loc_start loc_end in
let k = analyse_module_type_kind env current_module_name module_type2 sig_module_type in
Module_with (k, s)
)
(** Analyse of a Parsetree.class_type and a Types.class_type to return a couple
(class parameters, class_kind).*)
and analyse_class_kind env current_class_name last_pos parse_class_type sig_class_type =
match parse_class_type.Parsetree.pcty_desc, sig_class_type with
(Parsetree.Pcty_constr (_, _) (*of Longident.t * core_type list *),
Types.Tcty_constr (p, typ_list, _) (*of Path.t * type_expr list * class_type*)) ->
print_DEBUG "Tcty_constr _";
let path_name = Name.from_path p in
let name = Odoc_env.full_class_or_class_type_name env path_name in
let k =
Class_constr
{
cco_name = name ;
cco_class = None ;
cco_type_parameters = List.map (Odoc_env.subst_type env) typ_list
}
in
([], k)
| (Parsetree.Pcty_signature (_, class_type_field_list), Types.Tcty_signature class_signature) ->
print_DEBUG "Types.Tcty_signature class_signature";
let f_DEBUG var (mutable_flag, type_exp) = print_DEBUG var in
Types.Vars.iter f_DEBUG class_signature.Types.cty_vars;
print_DEBUG ("Type de la classe "^current_class_name^" : ");
print_DEBUG (Odoc_print.string_of_type_expr class_signature.Types.cty_self);
(* we get the elements of the class in class_type_field_list *)
let (inher_l, ele) = analyse_class_elements env current_class_name
last_pos
parse_class_type.Parsetree.pcty_loc.Location.loc_end.Lexing.pos_cnum
class_type_field_list
class_signature
in
([], Class_structure (inher_l, ele))
| (Parsetree.Pcty_fun (parse_label, _, pclass_type), Types.Tcty_fun (label, type_expr, class_type)) ->
(* label = string. Dans les signatures, pas de nom de param<61>tres <20> l'int<6E>rieur des tuples *)
(* si label = "", pas de label. ici on a l'information pour savoir si on a un label explicite. *)
if parse_label = label then
(
let new_param = Simple_name
{
sn_name = Btype.label_name label ;
sn_type = Odoc_env.subst_type env type_expr ;
sn_text = None ; (* will be updated when the class will be created *)
}
in
let (l, k) = analyse_class_kind env current_class_name last_pos pclass_type class_type in
( (new_param :: l), k )
)
else
(
raise (Failure "Parsetree.Pcty_fun (parse_label, _, pclass_type), labels diff<66>rents")
)
| _ ->
raise (Failure "analyse_class_kind pas de correspondance dans le match")
(** Analyse of a Parsetree.class_type and a Types.class_type to return a class_type_kind.*)
and analyse_class_type_kind env current_class_name last_pos parse_class_type sig_class_type =
match parse_class_type.Parsetree.pcty_desc, sig_class_type with
(Parsetree.Pcty_constr (_, _) (*of Longident.t * core_type list *),
Types.Tcty_constr (p, typ_list, _) (*of Path.t * type_expr list * class_type*)) ->
print_DEBUG "Tcty_constr _";
let k =
Class_type
{
cta_name = Odoc_env.full_class_or_class_type_name env (Name.from_path p) ;
cta_class = None ;
cta_type_parameters = List.map (Odoc_env.subst_type env) typ_list
}
in
k
| (Parsetree.Pcty_signature (_, class_type_field_list), Types.Tcty_signature class_signature) ->
print_DEBUG "Types.Tcty_signature class_signature";
let f_DEBUG var (mutable_flag, type_exp) = print_DEBUG var in
Types.Vars.iter f_DEBUG class_signature.Types.cty_vars;
print_DEBUG ("Type de la classe "^current_class_name^" : ");
print_DEBUG (Odoc_print.string_of_type_expr class_signature.Types.cty_self);
(* we get the elements of the class in class_type_field_list *)
let (inher_l, ele) = analyse_class_elements env current_class_name
last_pos
parse_class_type.Parsetree.pcty_loc.Location.loc_end.Lexing.pos_cnum
class_type_field_list
class_signature
in
Class_signature (inher_l, ele)
| (Parsetree.Pcty_fun (parse_label, _, pclass_type), Types.Tcty_fun (label, type_expr, class_type)) ->
raise (Failure "analyse_class_type_kind : Parsetree.Pcty_fun (...) with Types.Tcty_fun (...)")
(*
| (Parsetree.Pcty_constr (longident, _) (*of Longident.t * core_type list *),
Types.Tcty_signature class_signature) ->
(* A VOIR : c'est pour le cas des contraintes de classes :
class type cons = object
method m : int
end
class ['a] maxou x =
(object
val a = (x : 'a)
method m = a
end : cons )
^^^^^^
*)
let k =
Class_type
{
cta_name = Odoc_env.full_class_name env (Name.from_longident longident) ;
cta_class = None ;
cta_type_parameters = List.map (Odoc_env.subst_type env) typ_list (* ?? *)
}
in
([], k)
*)
| _ ->
raise (Failure "analyse_class_type_kind pas de correspondance dans le match")
let analyse_signature source_file input_file
(ast : Parsetree.signature) (signat : Types.signature) =
let complete_source_file =
try
let curdir = Sys.getcwd () in
let (dirname, basename) = (Filename.dirname source_file, Filename.basename source_file) in
Sys.chdir dirname ;
let complete = Filename.concat (Sys.getcwd ()) basename in
Sys.chdir curdir ;
complete
with
Sys_error s ->
prerr_endline s ;
incr Odoc_global.errors ;
source_file
in
prepare_file complete_source_file input_file;
(* We create the t_module for this file. *)
let mod_name = String.capitalize
(Filename.basename (try Filename.chop_extension source_file with _ -> source_file))
in
let (len,info_opt) = My_ir.first_special !file_name !file in
let elements =
analyse_parsetree Odoc_env.empty signat mod_name len (String.length !file) ast
in
let code_intf =
if !Odoc_args.keep_code then
Some !file
else
None
in
{
m_name = mod_name ;
m_type = Types.Tmty_signature signat ;
m_info = info_opt ;
m_is_interface = true ;
m_file = !file_name ;
m_kind = Module_struct elements ;
m_loc = { loc_impl = None ; loc_inter = Some (!file_name, 0) } ;
m_top_deps = [] ;
m_code = None ;
m_code_intf = code_intf ;
}
end