ocaml/ocamldoc/odoc_analyse.ml

498 lines
17 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 () =
try
if !Clflags.nopervasives
then Env.initial
else Env.open_pers_signature "Pervasives" Env.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 process_implementation_file ppf sourcefile =
init_path ();
let prefixname = Filename.chop_extension sourcefile in
let modulename = String.capitalize(Filename.basename prefixname) in
Env.set_unit_name modulename;
let inputfile = preprocess sourcefile in
let env = initial_env () in
try
let parsetree = Pparse.file 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(Filename.basename prefixname) in
Env.set_unit_name modulename;
let inputfile = preprocess sourcefile in
let ast = Pparse.file Format.err_formatter inputfile Parse.interface ast_intf_magic_number in
let sg = Typemod.transl_signature (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. This is a partial copy of the compiler
driver/error.ml file. We do this because there are
some differences between the possibly raised exceptions
in the bytecode (error.ml) and opt (opterros.ml) compilers
and we don't want to take care of this. Besises, these
differences only concern code generation (i believe).*)
let process_error exn =
let report ppf = function
| Lexer.Error(err, loc) ->
Location.print_error ppf loc;
Lexer.report_error ppf err
| Syntaxerr.Error err ->
Syntaxerr.report_error ppf err
| Env.Error err ->
Location.print_error_cur_file ppf;
Env.report_error ppf err
| Cmi_format.Error err ->
Location.print_error_cur_file ppf;
Cmi_format.report_error ppf err
| Ctype.Tags(l, l') ->
Location.print_error_cur_file ppf;
fprintf ppf
"In this program,@ variant constructors@ `%s and `%s@ \
have the same hash value." l l'
| Typecore.Error(loc, env, err) ->
Location.print_error ppf loc; Typecore.report_error env ppf err
| Typetexp.Error(loc, env, err) ->
Location.print_error ppf loc; Typetexp.report_error env ppf err
| Typedecl.Error(loc, err) ->
Location.print_error ppf loc; Typedecl.report_error ppf err
| Includemod.Error err ->
Location.print_error_cur_file ppf;
Includemod.report_error ppf err
| Typemod.Error(loc, env, err) ->
Location.print_error ppf loc; Typemod.report_error env ppf err
| Translcore.Error(loc, err) ->
Location.print_error ppf loc; Translcore.report_error ppf err
| Sys_error msg ->
Location.print_error_cur_file ppf;
fprintf ppf "I/O error: %s" msg
| Typeclass.Error(loc, env, err) ->
Location.print_error ppf loc; Typeclass.report_error env ppf err
| Translclass.Error(loc, err) ->
Location.print_error ppf loc; Translclass.report_error ppf err
| Warnings.Errors (n) ->
Location.print_error_cur_file ppf;
fprintf ppf "Error-enabled warnings (%d occurrences)" n
| x ->
fprintf ppf "@]";
fprintf ppf
"Compilation error(%s). Use the OCaml compiler to get more details."
(Printexc.to_string x)
in
Format.fprintf Format.err_formatter "@[%a@]@." report 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 (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_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
Sort.list (fun m1 -> fun m2 -> 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)