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(*
* This file is part of Coccinelle, lincensed under the terms of the GPL v2.
* See copyright.txt in the Coccinelle source code for more information.
* The Coccinelle source code can be obtained at http://coccinelle.lip6.fr
*)
open Common
module FC = Flag_cocci
module Inc = Includes
(*****************************************************************************)
(* Flags *)
(*****************************************************************************)
(* In addition to flags that can be tweaked via -xxx options (cf the
* full list of options in "the spatch options" section below), the
* spatch program also depends on external files, described in
* globals/config.ml, mainly a standard.h and standard.iso file *)
let cocci_file = ref ""
let output_file = ref "" (* resulting code *)
let tmp_dir = ref "" (* temporary files for parallelism *)
let inplace_modif = ref false (* but keeps nothing *)
let backup_suffix =
ref (None : string option) (* suffix for backup if one is desired *)
let outplace_modif = ref false (* generates a .cocci_res *)
let preprocess = ref false (* run the C preprocessor before cocci *)
let compat_mode = ref false
let ignore_unknown_opt = ref false
let profile_per_file = ref false
let dir = ref false
let file_groups = ref false
let kbuild_info = ref ""
let macro_file = ref ""
(* test mode *)
let test_mode = ref false
let test_all = ref false
let test_spacing = ref false
let test_okfailed = ref false
let test_regression_okfailed = ref false
let expected_score_file = ref ""
let expected_spacing_score_file = ref ""
let allow_update_score_file = ref true
(* action mode *)
let action = ref ""
(* works with -test but also in "normal" spatch mode *)
let compare_with_expected = ref false
let distrib_index = ref (None : int option)
let distrib_max = ref (None : int option)
let mod_distrib = ref false
let parmap_cores = ref (None : int option)
let parmap_chunk_size = ref (None : int option)
(*****************************************************************************)
(* Profiles *)
(*****************************************************************************)
(* pair of (list of flags to set true, list of flags to set false *)
let very_quiet_profile = (
[
],
[
(* FC.show_diff; just leave this as it is *)
Common.print_to_stderr;
Flag.show_misc;
Flag.show_trying;
Flag.show_transinfo;
FC.show_c;
FC.show_cocci;
FC.show_flow;
FC.show_before_fixed_flow;
FC.show_ctl_tex;
FC.show_ctl_text;
FC.show_binding_in_out;
FC.verbose_cocci;
Flag_parsing_c.show_parsing_error;
Flag_parsing_c.verbose_lexing;
Flag_parsing_c.verbose_parsing;
Flag_parsing_c.verbose_type;
Flag_parsing_c.verbose_cfg;
Flag_parsing_c.verbose_unparsing;
Flag_parsing_c.verbose_visit;
Flag_parsing_c.verbose_cpp_ast;
Flag_matcher.verbose_matcher;
Flag_matcher.debug_engine;
Flag_parsing_c.debug_unparsing;
Flag_parsing_cocci.show_SP;
Flag_parsing_cocci.show_iso_failures;
Flag_ctl.verbose_ctl_engine;
Flag_ctl.verbose_match;
])
let quiet_profile = (
[
Common.print_to_stderr
],
[
(* FC.show_diff; just leave this as it is *)
Flag.show_misc;
Flag.show_trying;
Flag.show_transinfo;
FC.show_c;
FC.show_cocci;
FC.show_flow;
FC.show_before_fixed_flow;
FC.show_ctl_tex;
FC.show_ctl_text;
FC.show_binding_in_out;
FC.verbose_cocci;
Flag_parsing_c.show_parsing_error;
Flag_parsing_c.verbose_lexing;
Flag_parsing_c.verbose_parsing;
Flag_parsing_c.verbose_type;
Flag_parsing_c.verbose_cfg;
Flag_parsing_c.verbose_unparsing;
Flag_parsing_c.verbose_visit;
Flag_parsing_c.verbose_cpp_ast;
Flag_matcher.verbose_matcher;
Flag_matcher.debug_engine;
Flag_parsing_c.debug_unparsing;
Flag_parsing_cocci.show_SP;
Flag_parsing_cocci.show_iso_failures;
Flag_ctl.verbose_ctl_engine;
Flag_ctl.verbose_match;
])
(* some information that is useful in seeing why a semantic patch doesn't
work properly *)
let debug_profile = (
[
Common.print_to_stderr;
Flag.show_misc;
Flag.show_transinfo;
FC.show_diff;
FC.show_cocci;
FC.show_binding_in_out;
FC.show_dependencies;
Flag_parsing_cocci.keep_ml_script;
Flag_parsing_cocci.show_iso_failures;
FC.verbose_cocci;
Flag_parsing_c.verbose_cfg;
Flag_parsing_c.verbose_unparsing;
Flag_parsing_c.verbose_visit;
Flag_matcher.verbose_matcher;
Flag_parsing_c.show_parsing_error;
],
[
Flag.show_misc;
FC.show_c;
FC.show_flow;
FC.show_before_fixed_flow;
FC.show_ctl_tex;
FC.show_ctl_text;
Flag_parsing_cocci.show_SP;
Flag_ctl.verbose_ctl_engine;
Flag_ctl.verbose_match;
Flag_matcher.debug_engine;
Flag_parsing_c.debug_unparsing;
Flag_parsing_c.verbose_type;
Flag_parsing_c.verbose_parsing;
])
let pad_profile = (
[
FC.show_diff;
Common.print_to_stderr;
],
[
Flag.show_misc;
Flag.show_transinfo;
FC.show_c;
FC.show_cocci;
FC.show_flow;
FC.show_before_fixed_flow;
FC.show_ctl_tex;
FC.show_ctl_text;
FC.show_binding_in_out;
Flag_parsing_cocci.show_SP;
Flag_parsing_cocci.show_iso_failures;
Flag_ctl.verbose_ctl_engine;
Flag_ctl.verbose_match;
Flag_matcher.debug_engine;
Flag_parsing_c.debug_unparsing;
Flag_parsing_c.verbose_type;
Flag_parsing_c.verbose_parsing;
])
let run_profile p =
let (set_to_true, set_to_false) = p in
List.iter (fun x -> x := false) set_to_false;
List.iter (fun x -> x := true) set_to_true
(*****************************************************************************)
(* The spatch options *)
(*****************************************************************************)
let usage_msg =
"Usage: " ^ Filename.basename Sys.argv.(0) ^
" --sp-file <SP> <infile> [-o <outfile>] [--iso-file <iso>] [options]" ^
"\n" ^ "Options are:"
(* forward reference trick *)
let short_usage_func = ref (fun () -> ())
let long_usage_func = ref (fun () -> ())
(* The short_options are user-oriented. The other options are for
* the developers of coccinelle or advanced-users that know
* quite well the underlying semantics of coccinelle.
*)
(* will be printed when use only ./spatch. For the rest you have to
* use -longhelp to see them.
*)
let print_version () =
let withpython = if Pycocci.python_support then "yes" else "no" in
let whichregexp =
if !Regexp.pcre_support then "PCRE"
else "Str" in
let flags =
if Config.configure_flags<>"" then Config.configure_flags
else "[none]" in
(* let mode = if Dynlink.is_native then "native" else "byte-code" in *)
Printf.printf "spatch version %s compiled with OCaml version %s\n"
(* mode *) Config.version Config.ocaml_version;
Printf.printf "Flags passed to the configure script: %s\n" flags;
Printf.printf "Python scripting support: %s\n" withpython;
Printf.printf "Syntax of regular expresssions: %s\n" whichregexp;
exit 0
let short_options = [
"--sp-file", Arg.Set_string cocci_file,
" <file> the semantic patch file";
"-o", Arg.Set_string output_file,
" <file> the output file";
"--in-place", Arg.Set inplace_modif,
" do the modification on the file directly";
"--backup-suffix", Arg.String (function s -> backup_suffix := Some s),
" suffix to use when making a backup for inplace";
"--out-place", Arg.Set outplace_modif,
" store modifications in a .cocci_res file";
"--reverse", Arg.Set Flag_parsing_cocci.interpret_inverted,
" invert the semantic patch before applying it";
"-U", Arg.Int (fun n -> Flag_parsing_c.diff_lines := Some (string_of_int n)),
" set number of diff context lines";
"--partial-match", Arg.Set Flag_ctl.partial_match,
" report partial matches of the SP on the C file";
"--iso-file", Arg.Set_string Config.std_iso,
" <file> (default=" ^ !Config.std_iso ^")";
"--macro-file", Arg.Set_string macro_file,
" <file>";
"--macro-file-builtins", Arg.Set_string Config.std_h,
" <file> (default=" ^ !Config.std_h ^ ")";
"--recursive-includes",
Arg.Unit (function _ -> Inc.set_parsing_style Inc.Parse_really_all_includes),
(" causes all available include files, both those included in the"^
" C file(s) and those included in header files, to be used");
"--all-includes",
Arg.Unit (function _ -> Inc.set_parsing_style Inc.Parse_all_includes),
" causes all available include files included in the C file(s) to be used";
"--no-includes",
Arg.Unit (function _ -> Inc.set_parsing_style Inc.Parse_no_includes),
" causes not even local include files to be used";
"--local-includes",
Arg.Unit (function _ -> Inc.set_parsing_style Inc.Parse_local_includes),
" causes local include files to be used";
"--include-headers-for-types", Arg.Set Inc.include_headers_for_types,
" use only type information from header files";
"--ignore-unknown-options", Arg.Set ignore_unknown_opt,
(" For integration in a toolchain (must be set before the first unknown"^
" option)");
"--include-headers", Arg.Set Flag.include_headers,
" process header files independently";
"-I", Arg.String (fun x -> Inc.include_path:= x::!Inc.include_path),
" <dir> containing the header files";
"--include", Arg.String (fun x -> Inc.extra_includes:=x::!Inc.extra_includes),
" file to consider as being included";
"--preprocess", Arg.Set preprocess,
" run the C preprocessor before applying the semantic match";
"-c", Arg.Set compat_mode, " gcc/cpp compatibility mode";
"--dir", Arg.Set dir,
" <dir> process all files in directory recursively";
"--file-groups", Arg.Set file_groups,
" <file> process the file groups listed in the file";
"--no-scanner", Arg.Unit (function _ -> Flag.scanner := Flag.NoScanner),
" no indexing";
"--use-gitgrep", Arg.Unit (function _ -> Flag.scanner := Flag.GitGrep),
" works with -dir, works on git tree subdirectories";
"--use-glimpse", Arg.Unit (function _ -> Flag.scanner := Flag.Glimpse),
" works with -dir, use info generated by glimpseindex";
"--use-idutils",
Arg.String (function s -> Flag_parsing_cocci.id_utils_index := s;
Flag.scanner := Flag.IdUtils),
" find relevant files using id-utils";
"--use-coccigrep",
Arg.Unit (function _ -> Flag.scanner := Flag.CocciGrep),
" find relevant files using cocci grep";
"--patch",
Arg.String (function s -> Flag.patch := Some (Cocci.normalize_path s)),
(" <dir> path name with respect to which a patch should be created\n"^
" \"\" for a file in the current directory");
"--kbuild-info", Arg.Set_string kbuild_info,
" <file> improve -dir by grouping related c files";
"--pyoutput", Arg.Set_string Flag.pyoutput,
" Sets output routine: Standard values: <coccilib.output.Gtk|coccilib.output.Console>";
"--parse-handler",
Arg.String (fun f ->
let f' = Prepare_ocamlcocci.prepare_simple f in
Prepare_ocamlcocci.load_file f'),
" <file> Loads the file containing the OCaml code in charge of parse errors reporting";
"--print-options-only", Arg.Unit (fun () -> ()),
" print selected options and exit";
"--version", Arg.Unit print_version, " print version and build info";
"--date", Arg.Unit (fun () ->
Printf.printf "version: $Date$";
raise (Common.UnixExit 0)
),
" guess what";
"--shorthelp", Arg.Unit (fun () ->
!short_usage_func();
raise (Common.UnixExit 0)
),
" see short list of options";
"--longhelp", Arg.Unit (fun () ->
!long_usage_func();
raise (Common.UnixExit 0)
),
" see all the available options in different categories";
"-help", Arg.Unit (fun () ->
!long_usage_func();
raise (Common.UnixExit 0)
),
" ";
"--help", Arg.Unit (fun () ->
!long_usage_func();
raise (Common.UnixExit 0)
),
" ";
]
(* the format is a list of triples:
* (title of section * (optional) explanation of sections * option list)
*)
let other_options = [
"aliases and obsolete options",
"",
[
"--sp", Arg.Unit (function _ -> failwith "impossible"),
" command line semantic patch";
"--iso", Arg.Set_string Config.std_iso, " short option of --iso-file";
"--cocci-file", Arg.Set_string cocci_file,
" <file> the semantic patch file";
(* "-c", Arg.Set_string cocci_file, " short option of -sp_file"; *)
];
"most useful show options",
"",
[
"--show-diff" , Arg.Set FC.show_diff, " ";
"--no-show-diff" , Arg.Clear FC.show_diff, " ";
"--force-diff" , Arg.Set FC.force_diff,
"show diff even if only spacing changes";
"--show-flow" , Arg.Set FC.show_flow, " ";
(* works in conjunction with -show_ctl_text *)
"--ctl-inline-let",
Arg.Unit
(function _ -> FC.show_ctl_text := true; FC.inline_let_ctl := true), " ";
"--ctl-show-mcodekind",
Arg.Unit
(function _ -> FC.show_ctl_text := true; FC.show_mcodekind_in_ctl := true),
" ";
"--show-bindings", Arg.Set FC.show_binding_in_out, " ";
"--show-transinfo", Arg.Set Flag.show_transinfo, " ";
"--show-misc", Arg.Set Flag.show_misc, " ";
"--show-trying", Arg.Set Flag.show_trying,
" show the name of each function being processed";
"--show-dependencies",
Arg.Unit (function _ -> FC.show_dependencies := true;
FC.show_binding_in_out := true),
" show the dependencies related to each rule";
];
"verbose subsystems options",
"",
[
"--verbose-ctl-engine",
Arg.Unit (function _ ->
Flag_ctl.verbose_ctl_engine := true; FC.show_ctl_text := true) , " ";
"--verbose-match", Arg.Set Flag_ctl.verbose_match, " ";
"--verbose-engine", Arg.Set Flag_matcher.debug_engine, " ";
"--graphical-trace", Arg.Set Flag_ctl.graphical_trace, " generate a pdf file representing the matching process";
"--gt-without-label",
Arg.Unit (function _ ->
Flag_ctl.graphical_trace := true; Flag_ctl.gt_without_label := true),
" remove graph label (requires option -graphical-trace)";
"--parse-error-msg", Arg.Set Flag_parsing_c.show_parsing_error, " ";
"--verbose-parsing",
Arg.Unit (fun _ -> Flag_parsing_c.verbose_parsing := true;
Flag_parsing_c.show_parsing_error := true), " ";
"--type-error-msg", Arg.Set Flag_parsing_c.verbose_type, " ";
(* could also use Flag_parsing_c.options_verbose *)
];
"other show options",
"",
[
"--show-c" , Arg.Set FC.show_c, " ";
"--show-cocci" , Arg.Set FC.show_cocci, " ";
"--show-before-fixed-flow" , Arg.Set FC.show_before_fixed_flow, " ";
"--show-ctl-tex" , Arg.Set FC.show_ctl_tex, " ";
"--show-ctl-text" , Arg.Set FC.show_ctl_text, " ";
"--show-SP" , Arg.Set Flag_parsing_cocci.show_SP, " ";
];
"debug C parsing/unparsing",
"",
[
"--debug-cpp", Arg.Set Flag_parsing_c.debug_cpp, " ";
"--debug-lexer", Arg.Set Flag_parsing_c.debug_lexer , " ";
"--debug-etdt", Arg.Set Flag_parsing_c.debug_etdt , " ";
"--debug-typedef", Arg.Set Flag_parsing_c.debug_typedef, " ";
"--filter-msg", Arg.Set Flag_parsing_c.filter_msg ,
" filter some cpp message when the macro is a \"known\" cpp construct";
"--filter-define-error", Arg.Set Flag_parsing_c.filter_define_error," ";
"--filter-msg-define-error", Arg.Set Flag_parsing_c.filter_msg_define_error,
" filter the error msg";
"--filter-passed-level", Arg.Set_int Flag_parsing_c.filter_passed_level," ";
(* debug cfg doesn't seem to have any effect, so drop it as an option *)
(* "--debug_cfg", Arg.Set Flag_parsing_c.debug_cfg , " "; *)
"--debug-unparsing", Arg.Set Flag_parsing_c.debug_unparsing, " ";
"--debug-parse-cocci", Arg.Set Flag_parsing_cocci.debug_parse_cocci, " ";
];
(* could use Flag_parsing_c.options_debug_with_title instead *)
"shortcut for enabling/disabling a set of debugging options at once",
"",
[
(* todo: other profile ? *)
"--quiet", Arg.Unit (fun () -> run_profile quiet_profile), " ";
"--very-quiet", Arg.Unit (fun () -> run_profile very_quiet_profile), " ";
"--debug", Arg.Unit (fun () -> run_profile debug_profile), " ";
"--pad", Arg.Unit (fun () -> run_profile pad_profile), " ";
];
"bench options",
"",
[
"--profile", Arg.Unit (function () -> Common.profile := Common.PALL) ,
" gather timing information about the main coccinelle functions";
"--profile-per-file",
Arg.Unit
(function () -> profile_per_file :=true; Common.profile := Common.PALL),
" gather timing information for each file (implies --profile)";
"--bench", Arg.Int (function x -> Flag_ctl.bench := x),
" <level> for profiling the CTL engine";
"--timeout",
Arg.Int (fun x -> FC.timeout := (if x = 0 then None else Some x)),
" <sec> timeout in seconds, 0 for no timeout";
"--steps", Arg.Int (fun x -> Flag_ctl.steps := Some x),
" max number of model checking steps per code unit";
"--iso-limit", Arg.Int (fun x -> Flag_parsing_cocci.iso_limit := Some x),
" max depth of iso application";
"--no-iso-limit", Arg.Unit (fun _ -> Flag_parsing_cocci.iso_limit := None),
" disable limit on max depth of iso application";
"--track-iso", Arg.Set Flag.track_iso_usage,
" gather information about isomorphism usage";
"--disable-iso",
Arg.String
(fun s -> Flag_parsing_cocci.disabled_isos :=
s :: !Flag_parsing_cocci.disabled_isos),
" disable a specific isomorphism";
"--profile-iso",
Arg.Unit
(function () ->
Common.profile :=
(*post_engine not included, because it doesn't use isos*)
PSOME ["parse cocci";"mysat";"asttoctl2";"pre_engine";"full_engine"]),
" gather information about the cost of isomorphism usage"
];
"change of algorithm options",
"",
[
(* "--popl", Arg.Set FC.popl,
" simplified SmPL, for the popl paper";
"--popl_mark_all",
Arg.Unit
(function _ -> FC.popl := true; Flag_popl.mark_all := true),
" simplified SmPL, for the popl paper";
"--popl_keep_all_wits",
Arg.Unit
(function _ -> FC.popl := true; Flag_popl.keep_all_wits := true),
" simplified SmPL, for the popl paper";
"--hrule", Arg.String
(function s ->
Flag.make_hrule := Some s; Inc..include_options := Inc.Parse_no_includes),
" semantic patch generation";
*)
"--keep-comments", Arg.Set Flag_parsing_c.keep_comments,
" keep comments around removed code";
"--loop", Arg.Set Flag_ctl.loop_in_src_code, " ";
"--no-loops", Arg.Set Flag_parsing_c.no_loops,
" drop all back edges derived from looping constructs - unsafe";
"--no-gotos", Arg.Set Flag_parsing_c.no_gotos,
" drop all jumps derived from gotos - unsafe";
"--no-saved-typedefs", Arg.Clear Flag_cocci.use_saved_typedefs,
" drop all inferred typedefs from one parse of some code to the next";
"--ocaml-regexps", Arg.Clear Regexp.pcre_support,
" use OCaml Str regular expressions for constraints";
"--l1", Arg.Clear Flag_parsing_c.label_strategy_2, " ";
"--ifdef-to-if", Arg.Set Flag_parsing_c.ifdef_to_if,
" convert ifdef to if (experimental)";
"--no-ifdef-to-if", Arg.Clear Flag_parsing_c.ifdef_to_if,
" convert ifdef to if (experimental)";
"--disable-multi-pass", Arg.Set Flag_parsing_c.disable_multi_pass, " ";
"--noif0-passing", Arg.Clear Flag_parsing_c.if0_passing, " ";
"--itu", Arg.Set Flag_parsing_c.exts_ITU,
" Experimental extensions for handling #ifdef developed at ITU.dk";
"--defined", Arg.String (Flag_parsing_c.add Flag_parsing_c.defined),
" <symbol> treat cpp symbol as defined in #ifdef";
"--undefined", Arg.String
(Flag_parsing_c.add Flag_parsing_c.undefined),
" <symbol> treat cpp symbol as undefined in #ifdef";
"--noadd-typedef-root", Arg.Clear Flag_parsing_c.add_typedef_root, " ";
(* could use Flag_parsing_c.options_algo instead *)
"--disallow-nested-exps", Arg.Set Flag_matcher.disallow_nested_exps,
" disallow an expresion pattern from matching a term and its subterm";
"--disable-worth-trying-opt", Arg.Clear Flag.worth_trying_opt,
" run the semantic patch even if the C file contains no relevant tokens";
"--selected-only", Arg.Set FC.selected_only, " only show selected files";
"--only-return-is-error-exit",
Arg.Set Flag_matcher.only_return_is_error_exit,
" if this flag is not set, then break and continue are also error exits";
(* the following is a hack to make it easier to add code in sgrep-like
code, essentially to compensate for the fact that we don't have
any way of printing things out *)
"--allow-inconsistent-paths",
Arg.Set Flag_matcher.allow_inconsistent_paths,
" if this flag is set don't check for inconsistent paths; dangerous";
"--no-safe-expressions",
Arg.Set Flag_matcher.no_safe_expressions,
" make an expression disjunction not prioritise the topmost disjunct";
"--int-bits", Arg.Int Flag_parsing_c.set_int_bits,
" the number of bits in an unsigned int";
"--long-bits", Arg.Int Flag_parsing_c.set_long_bits,
" the number of bits in an unsigned long";
"--linux-spacing", Arg.Unit Flag_parsing_c.set_linux_spacing,
" spacing of + code follows the conventions of Linux";
"--smpl-spacing", Arg.Unit Flag_parsing_c.set_smpl_spacing,
" spacing of + code follows the semantic patch";
"--indent", Arg.Set_int Flag_parsing_c.indent,
" default indent, in spaces (no tabs)";
"-D", Arg.String Flag.set_defined_virtual_rules,
" indicate that a virtual rule should be considered to be matched";
"--c++", Arg.Set Flag.c_plus_plus,
" make a small attempt to parse C++ files";
"--ibm", Arg.Set Flag.ibm,
" make a small attempt to parse IBM C files";
];
"misc options",
"",
[
"--debugger", Arg.Set Common.debugger,
" option to set if launch spatch in ocamldebug";
"--disable-once", Arg.Set Common.disable_pr2_once,
" to print more messages";
"--show-trace-profile", Arg.Set Common.show_trace_profile,
" show trace";
"--save-tmp-files", Arg.Set Common.save_tmp_files, " ";
"--external-analysis-file", Arg.String
(Externalanalysis.load_external_results),
" import results from an external analysis";
];
"concurrency",
"",
[
"--index", Arg.Int (function x -> distrib_index := Some x) ,
" the processor to use for this run of spatch";
"--max", Arg.Int (function x -> distrib_max := Some x) ,
" the number of processors available";
"--mod-distrib", Arg.Set mod_distrib,
" use mod to distribute files among the processors";
"--jobs", Arg.Int (function x -> parmap_cores := Some x),
" the number of cores to be used by parmap";
"-j", Arg.Int (function x -> parmap_cores := Some x),
" the number of cores to be used";
"--chunksize", Arg.Int (function x -> parmap_chunk_size := Some x),
" the size of work chunks for parallelism";
"--tmp-dir", Arg.Set_string tmp_dir,
" prefix of temporary directories for parallelism";
];
"pad options",
"",
[
"--use-cache", Arg.Set Flag_parsing_c.use_cache,
" use .ast_raw pre-parsed cached C file";
"--cache-prefix",
Arg.String (function s ->
Flag_parsing_c.cache_prefix := Some s;
Flag_parsing_c.use_cache := true),
" directory of cached ASTs, sets --use-cache";
(* could use Flag_parsing_c.options_pad instead *)
"--cache-limit",
Arg.Int (function n ->
Flag_parsing_c.cache_limit := Some n;
Flag_parsing_c.use_cache := true),
" maximum number of cached ASTs, sets --use-cache";
];
"test mode and test options (works with tests/ or .ok files)",
"The test options don't work with the --sp-file and so on.",
[
"--test", Arg.Set test_mode,
" <file> launch spatch on tests/file.[c,cocci]";
"--testall", Arg.Set test_all,
" launch spatch on all files in tests/ having a .res";
"--test-spacing", Arg.Set test_spacing,
" check that the result matches the .res file exactly";
"--test-okfailed", Arg.Set test_okfailed,
" generates .{ok,failed,spatch_ok} files using .res files";
"--test-regression-okfailed", Arg.Set test_regression_okfailed,
" process the .{ok,failed,spatch_ok} files in current dir";
"--compare-with-expected", Arg.Set compare_with_expected,
" use also file.res";
"--expected-score-file", Arg.Set_string expected_score_file,
" which score file to compare with in --testall";
"--expected-spacing-score-file",
Arg.Set_string expected_spacing_score_file,
" which score file to compare with in --test-spacing";
"--no-update-score-file", Arg.Clear allow_update_score_file,
" do not update the score file when -testall succeeds";
"--relax-include-path", Arg.Set Inc.relax_include_path,
" ";
];
"action mode",
("The action options don't work with the --sp-file and so on." ^ "\n" ^
"It's for the other (internal) uses of the spatch program."
),
(* -token_c, -parse_c, etc *)
((Common.options_of_actions action (Test_parsing_c.actions())) @
[
(let s = "--parse-cocci" in s, Arg.Unit (fun () -> action := s),
" <file>");
(let s = "--rule-dependencies" in s, Arg.Unit (fun () -> action := s),
" <file>");
(let s = "--compare-c" in s, Arg.Unit (fun () -> action := s),
" <file1> <file2>");
]);
]
let all_options =
short_options @ List.concat (List.map Common.thd3 other_options)
let all_string_option_names =
List.fold_left
(function prev ->
function
(_,Arg.Unit _,_) -> prev
| (nm,_,_) -> nm :: prev)
[] all_options
(* I don't want the -help and --help that are appended by Arg.align *)
let arg_align2 xs =
Arg.align xs +> List.rev +> Common.drop 2 +> List.rev
(*
Ignore unknown option
This simplifies the integration of Coccinelle in toolchain. For
instance, spatch can then be used as a checker in the Linux build
system.
*)
let check_include_path () =
let opt = Array.get Sys.argv !Arg.current in
let is_include_re = Str.regexp "-I\\(.*\\)" in
if Str.string_match is_include_re opt 0 then
let path = Str.matched_group 1 opt in
Inc.include_path:= path::!Inc.include_path
else ()
let rec arg_parse_no_fail l f msg =
try
check_include_path ();
Arg.parse_argv Sys.argv l f msg;
with
| Arg.Bad emsg ->
arg_parse_no_fail l f msg
| Arg.Help msg -> (* printf "%s" msg; exit 0; *)
raise (Impossible 165) (* -help is specified in speclist *)
(* copy paste of Arg.parse. Don't want the default -help msg *)
let arg_parse2 l f msg argv =
(try
Arg.parse_argv argv l f msg;
with
| Arg.Bad emsg -> (* eprintf "%s" msg; exit 2; *)
if not !ignore_unknown_opt then
begin
let xs = Common.lines emsg in
(* take only head, it's where the error msg is *)
(* was pr2, but that doesn't always get generated *)
Printf.eprintf "%s\n%!" (List.hd xs);
!short_usage_func();
raise (Common.UnixExit (2))
end
else
arg_parse_no_fail l f msg;
| Arg.Help msg -> (* printf "%s" msg; exit 0; *)
raise (Impossible 166) (* -help is specified in speclist *)
)
let short_usage () =
begin
Common.short_usage usage_msg short_options;
pr2 "";
pr2 "Example of use:";
pr2 " ./spatch --sp-file foo.cocci foo.c -o /tmp/newfoo.c";
pr2 "";
end
let long_usage () =
Common.long_usage usage_msg short_options other_options
let _ = short_usage_func := short_usage
let _ = long_usage_func := long_usage
(*****************************************************************************)
(* Helpers *)
(*****************************************************************************)
(* for fresh identifier information *)
let adjust_stdin cfiles k =
match cfiles with
[] -> failwith "not possible"
| cfile::_ ->
let newin =
try
let (dir, base, ext) = Common.dbe_of_filename cfile in
let varfile = Common.filename_of_dbe (dir, base, "var") in
if ext = "c" && Common.lfile_exists varfile
then Some varfile
else None
with Invalid_argument("Filename.chop_extension") -> None in
Common.redirect_stdin_opt newin k
let glimpse_filter2 (_,query,_,_) dir =
match query with
None -> pr2 "no inferred glimpse keywords"; None
| Some queries ->
let suffixes = if !Flag.include_headers then ["c";"h"] else ["c"] in
let rec loop = function
[] -> None (* error, eg due to pattern too big *)
| query::queries ->
Printf.fprintf stderr "%s\n" ("glimpse request = " ^ query);
let command = spf "glimpse -y -H %s -N -W -w '%s'" dir query in
let (glimpse_res,stat) = Common.cmd_to_list_and_status command in
match stat with
Unix.WEXITED(0) | Unix.WEXITED(1) ->
Some
(let filelist = glimpse_res +>
List.filter
(fun file ->
List.mem (Common.filesuffix file) suffixes) in
if filelist <> [] then
begin
let firstfile = List.hd filelist in
if Filename.is_relative firstfile ||
Filename.is_implicit firstfile
then
List.map (fun file -> dir ^ Filename.dir_sep ^ file)
filelist
else filelist
end
else []
)
| _ -> loop queries (* error, eg due to pattern too big *) in
loop queries
let glimpse_filter a b =
Common.profile_code "glimpse_filter" (fun () -> glimpse_filter2 a b)
let coccigrep_filter (_,_,query,_) dir =
match query with
None -> pr2 "no inferred keywords"; None
| Some (q1,q2,_) ->
let res =
Test_parsing_c.get_files dir +>
List.filter (Cocci_grep.interpret (q1,q2)) in
Printf.eprintf "%d files match\n" (List.length res);
Some res
let gitgrep_filter ((_,_,query,_) as x) dir =
match query with
None -> pr2 "no inferred keywords"; None
| Some (_,_,query) ->
let suffixes = if !Flag.include_headers then "'*.[ch]'" else "'*.c'" in
match Git_grep.interpret dir query suffixes with
Some res ->
Printf.eprintf "%d files match\n" (List.length res);
Some res
| None -> coccigrep_filter x dir
let idutils_filter (_,_,_,query) dir =
match Id_utils.interpret dir query with
None -> None
| Some files ->
let suffixes = if !Flag.include_headers then ["c";"h"] else ["c"] in
Printf.eprintf "%d files match\n" (List.length files);
Some
(files +>
List.filter
(fun file -> List.mem (Common.filesuffix file) suffixes))
let scanner_to_interpreter = function
Flag.Glimpse -> glimpse_filter
| Flag.IdUtils -> idutils_filter
| Flag.CocciGrep -> coccigrep_filter
| Flag.GitGrep -> gitgrep_filter
| _ -> failwith "impossible"
(*****************************************************************************)
(* File groups *)
(*****************************************************************************)
(* Groups are separated by blank lines. Single-line comments beginning
with // are tolerated *)
let read_file_groups x =
let i = open_in x in
let file_groups = ref [] in
let res = ref [] in
let dump _ =
(match !res with
[] -> ()
| l -> file_groups := (List.rev l) :: !file_groups);
res := [] in
let empty_line = Str.regexp " *$" in
let com = Str.regexp " *//" in
let rec in_files _ =
let l = input_line i in
if Str.string_match empty_line l 0
then begin dump(); in_space() end
else if Str.string_match com l 0
then in_files()
else begin res := l :: !res; in_files() end
and in_space _ =
let l = input_line i in
if Str.string_match empty_line l 0
then in_space()
else if Str.string_match com l 0
then in_space()
else begin res := l :: !res; in_files() end in
try in_files() with End_of_file -> begin dump(); List.rev !file_groups end
(*****************************************************************************)
(* Main action *)
(*****************************************************************************)
let rec main_action xs =
let (cocci_files,xs) =
List.partition (function nm -> Filename.check_suffix nm ".cocci") xs in
(match (!cocci_file,cocci_files) with
"",[fl] -> cocci_file := fl
| _,[] -> ()
| _ -> failwith "only one .cocci file allowed");
Iteration.base_file_list := xs;
let rec toploop = function
[] -> failwith "no C files provided"
| x::xs ->
(* a more general solution would be to use
* Common.files_of_dir_or_files (x::xs)
* as some elements in xs may also be directories, or individual
* files.
*)
dir := (Common.is_directory x);
if !cocci_file = ""
then failwith "I need a cocci file, use --sp-file <file>";
if !dir && !Flag.patch = None
then
begin
(match xs with
| [] -> Flag.patch := Some (Cocci.normalize_path x)
| _ ->
pr2
("warning: patch output can only be created when only one\n"
^"directory is specified or when the -patch flag is used")
);
Flag.dir := x
end;
let (cocci_infos,constants) =
Cocci.pre_engine (!cocci_file, !Config.std_iso) in
let infiles =
Common.profile_code "Main.infiles computation" (fun () ->
match !file_groups, !dir, !kbuild_info, !Flag.scanner, xs with
(* glimpse *)
| true, false, "", scanner, [] ->
let fg = read_file_groups x in
(match scanner with
Flag.NoScanner -> fg
| _ ->
let interpreter = scanner_to_interpreter !Flag.scanner in
List.filter
(function files ->
List.exists
(function fl ->
match interpreter constants fl with
Some [] -> false (* no file matches *)
| _ -> true)
files)
fg)