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authorMageia SVN-Git Migration <svn-git-migration@mageia.org>2007-04-25 15:16:21 +0000
committerMageia SVN-Git Migration <svn-git-migration@mageia.org>2007-04-25 15:16:21 +0000
commitbe4fff49f0164e606d4b2f76f64d4d108895f236 (patch)
treea46bc8c23de0b885f8a2962a9069930b48836fd9 /src/perl_checker.ml
parent4746e8e79a5b3cdf3f72400a5a5d6742f6a76a8c (diff)
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Rename folder to match history.
This is a Synthesized commit to combine perl-MDK-Common and perl_checker repository history.
Diffstat (limited to 'src/perl_checker.ml')
-rw-r--r--src/perl_checker.ml183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/perl_checker.ml b/src/perl_checker.ml
new file mode 100644
index 0000000..4459e30
--- /dev/null
+++ b/src/perl_checker.ml
@@ -0,0 +1,183 @@
+open Types
+open Common
+open Tree
+open Global_checks
+
+let search_basedir file_name nb =
+ let dir = Filename.dirname file_name in
+ let config = Config_file.read dir in
+ let nb = some_or config.Config_file.basedir nb in
+ updir dir nb
+
+let basedir = ref ""
+let set_basedir per_files file =
+ if !basedir = "" then
+ let nb = List.length (split_at2 ':'':' (List.hd file.packages).package_name) - 1 in
+ let dir = search_basedir file.file_name nb in
+ lpush Tree.use_lib dir ;
+ Config_file.read_any dir 1 ;
+ read_packages_from_cache per_files dir ;
+ if !Flags.verbose then print_endline_flush ("basedir is " ^ dir);
+ basedir := dir
+
+let rec parse_file from_basedir require_name per_files file =
+ try
+ if !Flags.verbose then print_endline_flush ("parsing " ^ file) ;
+ let build_time = Unix.time() in
+ let command =
+ match !Flags.expand_tabs with
+ | Some width -> "expand -t " ^ string_of_int width
+ | None -> "cat" in
+ let channel = Unix.open_process_in (Printf.sprintf "%s \"%s\"" command file) in
+ let lexbuf = Lexing.from_channel channel in
+ try
+ Info.start_a_new_file file ;
+ let tokens = Lexer.get_token Lexer.token lexbuf in
+ if not Build.debugging then ignore (Unix.close_process_in channel) ;
+ let t = Parser_helper.parse_tokens Parser.prog tokens (Some lexbuf) in
+ let per_file = get_global_info_from_package from_basedir require_name build_time t in
+ set_basedir per_files per_file ;
+ Global_checks.add_file_to_files per_files per_file ;
+
+ let required_packages = collect (fun package -> package.required_packages) per_file.packages in
+ required_packages, per_files
+ with Failure s -> (
+ print_endline_flush s ;
+ exit 1
+ )
+ with
+ | Not_found -> internal_error "runaway Not_found"
+
+and parse_package_if_needed per_files (package_name, pos) =
+ if List.mem package_name !Config_file.ignored_packages then [], per_files else
+ let splitted = split_at2 ':'':' package_name in
+ let rel_file = String.concat "/" splitted ^ ".pm" in
+
+ (*print_endline_flush ("wondering about " ^ package_name) ;*)
+ try
+ let dir = findfile (Build.fake_packages_dir :: !use_lib) rel_file in
+ let file = Info.file_to_absolute_file (dir ^ "/" ^ rel_file) in
+ Config_file.read_any (Filename.dirname file) (List.length splitted) ;
+ let already_done =
+ try
+ let per_file = Hashtbl.find per_files file in
+ Some (collect (fun pkg -> pkg.required_packages) per_file.packages)
+ with Not_found -> None in
+ match already_done with
+ | Some required_packages -> required_packages, per_files
+ | None -> parse_file (dir = !basedir) (Some package_name) per_files file
+ with Not_found ->
+ print_endline_flush (Info.pos2sfull pos ^ Printf.sprintf "can't find package %s" package_name) ;
+ [], per_files
+
+let rec parse_required_packages state already_done = function
+ | [] -> state, already_done
+ | e :: l ->
+ if List.mem e already_done then
+ parse_required_packages state already_done l
+ else
+ let el, state = parse_package_if_needed state e in
+ parse_required_packages state (e :: already_done) (el @ l)
+
+
+let parse_options =
+ let args_r = ref [] in
+ let restrict_to_files = ref false in
+
+ let pot_file = ref "" in
+ let package_dependencies_graph_file = ref "" in
+ let generate_pot_chosen file =
+ Flags.generate_pot := true ;
+ Flags.expand_tabs := None ;
+ pot_file := file
+ in
+ let options = [
+ "-v", Arg.Set Flags.verbose, " be verbose" ;
+ "-q", Arg.Set Flags.quiet, " be quiet" ;
+ "-t", Arg.Int (fun i -> Flags.expand_tabs := Some i), " set the tabulation width (default is 8)" ;
+ "--restrict-to-files", Arg.Set restrict_to_files, " only display warnings concerning the file(s) given on command line" ;
+ "--no-cache", Arg.Set Flags.no_cache, " do not use cache" ;
+ "--generate-pot", Arg.String generate_pot_chosen, "" ;
+ "--generate-package-dependencies-graph", Arg.String (fun f -> package_dependencies_graph_file := f),
+ "\n" ;
+
+ "--check-unused-global-vars", Arg.Set Flags.check_unused_global_vars, " disable unused global functions & variables check" ^
+ "\nBasic warnings:";
+ "--no-check-white-space", Arg.Clear Flags.check_white_space, " disable white space check" ;
+ "--no-suggest-simpler", Arg.Clear Flags.check_suggest_simpler, " disable simpler code suggestion" ;
+ "--no-suggest-functional", Arg.Clear Flags.suggest_functional, " disable Functional Programming suggestions" ^
+ "\nNormalisation warnings:";
+ "--no-check-strange", Arg.Clear Flags.check_strange, " disable strange code check" ;
+ "--no-check-complex-expressions", Arg.Clear Flags.check_complex_expressions, " disable complex expressions check" ;
+ "--no-check-normalized-expressions", Arg.Clear Flags.normalized_expressions, " don't warn about non normalized expressions" ;
+ "--no-help-perl-checker", Arg.Clear Flags.check_help_perl_checker, " beware, perl_checker doesn't understand all perl expressions, so those warnings *are* important" ^
+ "\nCommon warnings:";
+ "--no-check-void", Arg.Clear Flags.check_void, " disable dropped value check" ;
+ "--no-check-names", Arg.Clear Flags.check_names, " disable variable & function usage check" ;
+ "--no-check-prototypes", Arg.Clear Flags.check_prototypes, " disable prototypes check" ;
+ "--no-check-import-export", Arg.Clear Flags.check_import_export, " disable inter modules check" ^
+ "\nImportant warnings:";
+ "--no-check-context", Arg.Clear Flags.check_context, " disable context check" ;
+ "--no-check-traps", Arg.Clear Flags.check_traps, " disable traps (errors) check" ^
+ "\n";
+
+ ] in
+ let usage = "Usage: perl_checker [<options>] <files>\nOptions are:" in
+ Arg.parse options (lpush args_r) usage;
+
+ let files = if !args_r = [] && Build.debugging then ["../t.pl"] else !args_r in
+ let files = List.map Info.file_to_absolute_file files in
+
+ let required_packages, per_files = collect_withenv (parse_file true None) (default_per_files()) files in
+ let required_packages = uniq_ (fun (a,_) (b,_) -> a = b) required_packages in
+
+ if !Flags.generate_pot then Parser_helper.generate_pot !pot_file else (
+
+ let per_files, required_packages =
+ fluid_let Flags.quiet (!restrict_to_files || !Flags.quiet)
+ (fun () ->
+ parse_required_packages per_files [] required_packages) in
+ let l_required_packages = List.map fst required_packages in
+
+ write_packages_cache per_files !basedir ;
+
+ (* removing non needed files from per_files (those files come from the cache) *)
+ List.iter (fun k ->
+ let per_file = Hashtbl.find per_files k in
+ if per_file.require_name <> None && not (List.mem (some per_file.require_name) l_required_packages) && not (List.mem per_file.file_name files) then
+ Hashtbl.remove per_files k
+ ) (hashtbl_keys per_files);
+
+ let state = default_state per_files in
+
+ Hashtbl.iter (fun _ per_file -> List.iter (add_package_to_state state) per_file.packages) per_files ;
+
+ let state =
+ let global_vars_declared = Hashtbl.create 16 in
+ let package_name_to_file_name = hashtbl_collect (fun _ per_file -> List.map (fun pkg -> pkg.package_name, per_file.file_name) per_file.packages) per_files in
+ Hashtbl.iter (fun _ pkg ->
+ let file_name = List.assoc pkg.package_name package_name_to_file_name in
+ fluid_let Flags.quiet (!restrict_to_files || !Flags.quiet)
+ (fun () -> get_vars_declaration global_vars_declared file_name pkg)
+ ) state.per_packages ;
+ arrange_global_vars_declared global_vars_declared state
+ in
+
+ let state = Global_checks.get_methods_available state in
+
+ let l = hashtbl_values per_files in
+ let l = if !restrict_to_files then List.filter (fun file -> List.mem file.file_name files) l else l in
+
+ let l = uniq (collect (fun file -> List.map (fun pkg -> pkg.package_name) file.packages) l) in
+ let l = List.map (Hashtbl.find state.per_packages) l in
+
+ (* HACK: skip ignored_packages. Some package may have appeared in ignored_packages due to the xs bootstrap hack *)
+ let l = List.filter (fun pkg -> not (List.mem pkg.package_name !Config_file.ignored_packages)) l in
+
+ List.iter (Global_checks.check_tree state) l;
+
+ if !Flags.check_unused_global_vars then List.iter Global_checks.check_unused_vars l;
+
+ if !package_dependencies_graph_file <> "" then generate_package_dependencies_graph state !package_dependencies_graph_file
+
+ )