ocaml/ocamldoc/odoc_analyse.ml

467 lines
16 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. *)
(* *)
(***********************************************************************)
(** Analysis of source files. This module is strongly inspired from
driver/main.ml :-) *)
let print_DEBUG s = print_string s ; print_newline ()
open Config
open Clflags
open Misc
open Format
open Typedtree
(** Initialize the search path.
The current directory is always searched first,
then the directories specified with the -I option (in command-line order),
then the standard library directory. *)
let init_path () =
load_path :=
"" :: List.rev (Config.standard_library :: !Clflags.include_dirs);
Env.reset_cache ()
(** Return the initial environment in which compilation proceeds. *)
let initial_env () =
let initial =
if !Clflags.unsafe_string then Env.initial_unsafe_string
else Env.initial_safe_string
in
try
if !Clflags.nopervasives then initial else
Env.open_pers_signature "Pervasives" initial
with Not_found ->
fatal_error "cannot open pervasives.cmi"
(** Optionally preprocess a source file *)
let preprocess sourcefile =
try
Pparse.preprocess sourcefile
with Pparse.Error err ->
Format.eprintf "Preprocessing error@.%a@."
Pparse.report_error err;
exit 2
let (++) x f = f x
(** Analysis of an implementation file. Returns (Some typedtree) if
no error occured, else None and an error message is printed.*)
let tool_name = "ocamldoc"
let process_implementation_file ppf sourcefile =
init_path ();
let prefixname = Filename.chop_extension sourcefile in
let modulename = String.capitalize_ascii(Filename.basename prefixname) in
Env.set_unit_name modulename;
let inputfile = preprocess sourcefile in
let env = initial_env () in
try
let parsetree =
Pparse.file ~tool_name Format.err_formatter inputfile
Parse.implementation ast_impl_magic_number
in
let typedtree =
Typemod.type_implementation
sourcefile prefixname modulename env parsetree
in
(Some (parsetree, typedtree), inputfile)
with
e ->
match e with
Syntaxerr.Error err ->
fprintf Format.err_formatter "@[%a@]@."
Syntaxerr.report_error err;
None, inputfile
| Failure s ->
prerr_endline s;
incr Odoc_global.errors ;
None, inputfile
| e ->
raise e
(** Analysis of an interface file. Returns (Some signature) if
no error occured, else None and an error message is printed.*)
let process_interface_file ppf sourcefile =
init_path ();
let prefixname = Filename.chop_extension sourcefile in
let modulename = String.capitalize_ascii(Filename.basename prefixname) in
Env.set_unit_name modulename;
let inputfile = preprocess sourcefile in
let ast =
Pparse.file ~tool_name Format.err_formatter inputfile
Parse.interface ast_intf_magic_number
in
let sg = Typemod.type_interface (initial_env()) ast in
Warnings.check_fatal ();
(ast, sg, inputfile)
(** The module used to analyse the parsetree and signature of an implementation file.*)
module Ast_analyser = Odoc_ast.Analyser (Odoc_comments.Basic_info_retriever)
(** The module used to analyse the parse tree and typed tree of an interface file.*)
module Sig_analyser = Odoc_sig.Analyser (Odoc_comments.Basic_info_retriever)
(** Handle an error. *)
let process_error exn =
match Location.error_of_exn exn with
| Some err ->
fprintf Format.err_formatter "@[%a@]@." Location.report_error err
| None ->
fprintf Format.err_formatter
"Compilation error(%s). Use the OCaml compiler to get more details.@."
(Printexc.to_string exn)
(** Process the given file, according to its extension. Return the Module.t created, if any.*)
let process_file ppf sourcefile =
if !Odoc_global.verbose then
(
let f = match sourcefile with
Odoc_global.Impl_file f
| Odoc_global.Intf_file f -> f
| Odoc_global.Text_file f -> f
in
print_string (Odoc_messages.analysing f) ;
print_newline ();
);
match sourcefile with
Odoc_global.Impl_file file ->
(
Location.input_name := file;
try
let (parsetree_typedtree_opt, input_file) = process_implementation_file ppf file in
match parsetree_typedtree_opt with
None ->
None
| Some (parsetree, typedtree) ->
let file_module = Ast_analyser.analyse_typed_tree file
!Location.input_name parsetree typedtree
in
file_module.Odoc_module.m_top_deps <- Odoc_dep.impl_dependencies parsetree ;
if !Odoc_global.verbose then
(
print_string Odoc_messages.ok;
print_newline ()
);
Pparse.remove_preprocessed input_file;
Some file_module
with
| Sys_error s
| Failure s ->
prerr_endline s ;
incr Odoc_global.errors ;
None
| e ->
process_error e ;
incr Odoc_global.errors ;
None
)
| Odoc_global.Intf_file file ->
(
Location.input_name := file;
try
let (ast, signat, input_file) = process_interface_file ppf file in
let file_module = Sig_analyser.analyse_signature file
!Location.input_name ast signat.sig_type
in
file_module.Odoc_module.m_top_deps <- Odoc_dep.intf_dependencies ast ;
if !Odoc_global.verbose then
(
print_string Odoc_messages.ok;
print_newline ()
);
Pparse.remove_preprocessed input_file;
Some file_module
with
| Sys_error s
| Failure s ->
prerr_endline s;
incr Odoc_global.errors ;
None
| e ->
process_error e ;
incr Odoc_global.errors ;
None
)
| Odoc_global.Text_file file ->
Location.input_name := file;
try
let mod_name =
let s =
try Filename.chop_extension file
with _ -> file
in
String.capitalize_ascii (Filename.basename s)
in
let txt =
try Odoc_text.Texter.text_of_string (Odoc_misc.input_file_as_string file)
with Odoc_text.Text_syntax (l, c, s) ->
raise (Failure (Odoc_messages.text_parse_error l c s))
in
let m =
{
Odoc_module.m_name = mod_name ;
Odoc_module.m_type = Types.Mty_signature [] ;
Odoc_module.m_info = None ;
Odoc_module.m_is_interface = true ;
Odoc_module.m_file = file ;
Odoc_module.m_kind = Odoc_module.Module_struct
[Odoc_module.Element_module_comment txt] ;
Odoc_module.m_loc =
{ Odoc_types.loc_impl = None ;
Odoc_types.loc_inter = Some (Location.in_file file) } ;
Odoc_module.m_top_deps = [] ;
Odoc_module.m_code = None ;
Odoc_module.m_code_intf = None ;
Odoc_module.m_text_only = true ;
}
in
Some m
with
| Sys_error s
| Failure s ->
prerr_endline s;
incr Odoc_global.errors ;
None
| e ->
process_error e ;
incr Odoc_global.errors ;
None
(** Remove the class elements between the stop special comments. *)
let rec remove_class_elements_between_stop keep eles =
match eles with
[] -> []
| ele :: q ->
match ele with
Odoc_class.Class_comment [ Odoc_types.Raw "/*" ] ->
remove_class_elements_between_stop (not keep) q
| Odoc_class.Class_attribute _
| Odoc_class.Class_method _
| Odoc_class.Class_comment _ ->
if keep then
ele :: (remove_class_elements_between_stop keep q)
else
remove_class_elements_between_stop keep q
(** Remove the class elements between the stop special comments in a class kind. *)
let rec remove_class_elements_between_stop_in_class_kind k =
match k with
Odoc_class.Class_structure (inher, l) ->
Odoc_class.Class_structure (inher, remove_class_elements_between_stop true l)
| Odoc_class.Class_apply _ -> k
| Odoc_class.Class_constr _ -> k
| Odoc_class.Class_constraint (k1, ctk) ->
Odoc_class.Class_constraint (remove_class_elements_between_stop_in_class_kind k1,
remove_class_elements_between_stop_in_class_type_kind ctk)
(** Remove the class elements beetween the stop special comments in a class type kind. *)
and remove_class_elements_between_stop_in_class_type_kind tk =
match tk with
Odoc_class.Class_signature (inher, l) ->
Odoc_class.Class_signature (inher, remove_class_elements_between_stop true l)
| Odoc_class.Class_type _ -> tk
(** Remove the module elements between the stop special comments. *)
let rec remove_module_elements_between_stop keep eles =
let f = remove_module_elements_between_stop in
match eles with
[] -> []
| ele :: q ->
match ele with
Odoc_module.Element_module_comment [ Odoc_types.Raw "/*" ] ->
f (not keep) q
| Odoc_module.Element_module_comment _ ->
if keep then
ele :: (f keep q)
else
f keep q
| Odoc_module.Element_module m ->
if keep then
(
m.Odoc_module.m_kind <- remove_module_elements_between_stop_in_module_kind m.Odoc_module.m_kind ;
(Odoc_module.Element_module m) :: (f keep q)
)
else
f keep q
| Odoc_module.Element_module_type mt ->
if keep then
(
mt.Odoc_module.mt_kind <- Odoc_misc.apply_opt
remove_module_elements_between_stop_in_module_type_kind mt.Odoc_module.mt_kind ;
(Odoc_module.Element_module_type mt) :: (f keep q)
)
else
f keep q
| Odoc_module.Element_included_module _ ->
if keep then
ele :: (f keep q)
else
f keep q
| Odoc_module.Element_class c ->
if keep then
(
c.Odoc_class.cl_kind <- remove_class_elements_between_stop_in_class_kind c.Odoc_class.cl_kind ;
(Odoc_module.Element_class c) :: (f keep q)
)
else
f keep q
| Odoc_module.Element_class_type ct ->
if keep then
(
ct.Odoc_class.clt_kind <- remove_class_elements_between_stop_in_class_type_kind ct.Odoc_class.clt_kind ;
(Odoc_module.Element_class_type ct) :: (f keep q)
)
else
f keep q
| Odoc_module.Element_value _
| Odoc_module.Element_type_extension _
| Odoc_module.Element_exception _
| Odoc_module.Element_type _ ->
if keep then
ele :: (f keep q)
else
f keep q
(** Remove the module elements between the stop special comments, in the given module kind. *)
and remove_module_elements_between_stop_in_module_kind k =
match k with
| Odoc_module.Module_struct l -> Odoc_module.Module_struct (remove_module_elements_between_stop true l)
| Odoc_module.Module_alias _ -> k
| Odoc_module.Module_functor (params, k2) ->
Odoc_module.Module_functor (params, remove_module_elements_between_stop_in_module_kind k2)
| Odoc_module.Module_apply (k1, k2) ->
Odoc_module.Module_apply (remove_module_elements_between_stop_in_module_kind k1,
remove_module_elements_between_stop_in_module_kind k2)
| Odoc_module.Module_with (mtkind, s) ->
Odoc_module.Module_with (remove_module_elements_between_stop_in_module_type_kind mtkind, s)
| Odoc_module.Module_constraint (k2, mtkind) ->
Odoc_module.Module_constraint (remove_module_elements_between_stop_in_module_kind k2,
remove_module_elements_between_stop_in_module_type_kind mtkind)
| Odoc_module.Module_typeof _ -> k
| Odoc_module.Module_unpack _ -> k
(** Remove the module elements between the stop special comment, in the given module type kind. *)
and remove_module_elements_between_stop_in_module_type_kind tk =
match tk with
| Odoc_module.Module_type_struct l -> Odoc_module.Module_type_struct (remove_module_elements_between_stop true l)
| Odoc_module.Module_type_functor (params, tk2) ->
Odoc_module.Module_type_functor (params, remove_module_elements_between_stop_in_module_type_kind tk2)
| Odoc_module.Module_type_alias _ -> tk
| Odoc_module.Module_type_with (tk2, s) ->
Odoc_module.Module_type_with (remove_module_elements_between_stop_in_module_type_kind tk2, s)
| Odoc_module.Module_type_typeof _ -> tk
(** Remove elements between the stop special comment. *)
let remove_elements_between_stop module_list =
List.map
(fun m ->
m.Odoc_module.m_kind <- remove_module_elements_between_stop_in_module_kind m.Odoc_module.m_kind;
m
)
module_list
(** This function builds the modules from the given list of source files. *)
let analyse_files ?(init=[]) files =
let modules_pre =
init @
(List.fold_left
(fun acc -> fun file ->
try
match process_file Format.err_formatter file with
None ->
acc
| Some m ->
acc @ [ m ]
with
Failure s ->
prerr_endline s ;
incr Odoc_global.errors ;
acc
)
[]
files
)
in
(* Remove elements between the stop special comments, if needed. *)
let modules =
if !Odoc_global.no_stop then
modules_pre
else
remove_elements_between_stop modules_pre
in
if !Odoc_global.verbose then
(
print_string Odoc_messages.merging;
print_newline ()
);
let merged_modules = Odoc_merge.merge !Odoc_global.merge_options modules in
if !Odoc_global.verbose then
(
print_string Odoc_messages.ok;
print_newline ();
);
let modules_list =
(List.fold_left
(fun acc -> fun m -> acc @ (Odoc_module.module_all_submodules ~trans: false m))
merged_modules
merged_modules
)
in
if !Odoc_global.verbose then
(
print_string Odoc_messages.cross_referencing;
print_newline ()
);
let _ = Odoc_cross.associate modules_list in
if !Odoc_global.verbose then
(
print_string Odoc_messages.ok;
print_newline ();
);
if !Odoc_global.sort_modules then
List.sort (fun m1 m2 -> compare m1.Odoc_module.m_name m2.Odoc_module.m_name) merged_modules
else
merged_modules
let dump_modules file (modules : Odoc_module.t_module list) =
try
let chanout = open_out_bin file in
let dump = Odoc_types.make_dump modules in
output_value chanout dump;
close_out chanout
with
Sys_error s ->
raise (Failure s)
let load_modules file =
try
let chanin = open_in_bin file in
let dump = input_value chanin in
close_in chanin ;
let (l : Odoc_module.t_module list) = Odoc_types.open_dump dump in
l
with
Sys_error s ->
raise (Failure s)