*)
+(*
+ * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
+ * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
+ * This file is part of Coccinelle.
+ *
+ * Coccinelle is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, according to version 2 of the License.
+ *
+ * Coccinelle is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * The authors reserve the right to distribute this or future versions of
+ * Coccinelle under other licenses.
+ *)
+
+
(* splits the entire file into minus and plus fragments, and parses each
separately (thus duplicating work for the parsing of the context elements) *)
| PC.TAnd (clt) -> "&"^(line_type2c clt)
| PC.TEqEq(clt) -> "=="^(line_type2c clt)
| PC.TNotEq(clt) -> "!="^(line_type2c clt)
+ | PC.TSub(clt) -> "<="^(line_type2c clt)
| PC.TTildeEq(clt) -> "~="^(line_type2c clt)
| PC.TTildeExclEq(clt) -> "~!="^(line_type2c clt)
| PC.TLogOp(op,clt) ->
| PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt)
| PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt)
- | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) | PC.TLogOp(_,clt)
+ | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt)
+ | PC.TLogOp(_,clt)
| PC.TShOp(_,clt) | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt)
| PC.TDmOp(_,clt) | PC.TTilde (clt)
| PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt)
| PC.TAny(clt) | PC.TStrict(clt) | PC.TEllipsis(clt)
(* | PC.TCircles(clt) | PC.TStars(clt) *)
+ | PC.TOEllipsis(clt) | PC.TCEllipsis(clt)
+ | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) (* | PC.TOCircles(clt)
+ | PC.TCCircles(clt) | PC.TOStars(clt) | PC.TCStars(clt) *)
| PC.TWhy(clt) | PC.TDotDot(clt) | PC.TBang(clt) | PC.TOPar(clt)
| PC.TCPar(clt)
else if only_plus then NOTPLUS
else if line_type clt = D.CONTEXT then PLUS else NOTPLUS
- | PC.TOPar0(clt) | PC.TMid0(clt) | PC.TCPar0(clt)
- | PC.TOEllipsis(clt) | PC.TCEllipsis(clt)
- | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) (* | PC.TOCircles(clt)
- | PC.TCCircles(clt) | PC.TOStars(clt) | PC.TCStars(clt) *) -> NOTPLUS
+ | PC.TOPar0(clt) | PC.TMid0(clt) | PC.TCPar0(clt) -> NOTPLUS
| PC.TMetaPos(nm,_,_,_) -> NOTPLUS
+ | PC.TSub(clt) -> NOTPLUS
| _ -> SKIP
| PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt)
| PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt)
- | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) | PC.TLogOp(_,clt)
+ | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt)
+ | PC.TSub(clt) | PC.TLogOp(_,clt)
| PC.TShOp(_,clt) | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt)
| PC.TDmOp(_,clt) | PC.TTilde (clt)
| PC.TEqEq(_) -> (PC.TEqEq(clt),x)
| PC.TNotEq(_) -> (PC.TNotEq(clt),x)
| PC.TTildeEq(_) -> (PC.TTildeEq(clt),x)
+ | PC.TSub(_) -> (PC.TSub(clt),x)
| PC.TLogOp(op,_) -> (PC.TLogOp(op,clt),x)
| PC.TShOp(op,_) -> (PC.TShOp(op,clt),x)
| PC.TPlus(_) -> (PC.TPlus(clt),x)
| PC.TFunDecl(clt)
| PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt)
| PC.TAny(clt) | PC.TStrict(clt) | PC.TLineEnd(clt)
- | PC.TEllipsis(clt) (* | PC.TCircles(clt) | PC.TStars(clt) *) -> split t clt
+ | PC.TEllipsis(clt) (* | PC.TCircles(clt) | PC.TStars(clt) *)
+ | PC.TOEllipsis(clt) | PC.TCEllipsis(clt)
+ | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) -> split t clt
- | PC.TOEllipsis(_) | PC.TCEllipsis(_) (* clt must be context *)
- | PC.TPOEllipsis(_) | PC.TPCEllipsis(_) (* clt must be context *)
(*
| PC.TOCircles(_) | PC.TCCircles(_) (* clt must be context *)
| PC.TOStars(_) | PC.TCStars(_) (* clt must be context *)
*)
+
| PC.TBang0 | PC.TPlus0 | PC.TWhy0 ->
([t],[t])
split t clt
| PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt)
- | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) | PC.TTildeExclEq(clt) | PC.TLogOp(_,clt)
+ | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt)
+ | PC.TTildeExclEq(clt) | PC.TSub(clt) | PC.TLogOp(_,clt)
| PC.TShOp(_,clt) | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt)
| PC.TDmOp(_,clt) | PC.TTilde (clt) -> split t clt
(* ----------------------------------------------------------------------- *)
+(* In a nest, if the nest is -, all of the nested code must also be -.
+All are converted to context, because the next takes care of the -. *)
+let check_nests tokens =
+ let is_minus t =
+ let (line_type,a,b,c,d,e,f,g) = get_clt t in
+ List.mem line_type [D.MINUS;D.OPTMINUS;D.UNIQUEMINUS] in
+ let drop_minus t =
+ let clt = try Some(get_clt t) with Failure _ -> None in
+ match clt with
+ Some (line_type,a,b,c,d,e,f,g) ->
+ (match line_type with
+ D.MINUS -> update_clt t (D.CONTEXT,a,b,c,d,e,f,g)
+ | D.OPTMINUS -> update_clt t (D.OPT,a,b,c,d,e,f,g)
+ | D.UNIQUEMINUS -> update_clt t (D.UNIQUE,a,b,c,d,e,f,g)
+ | _ -> failwith "minus token expected")
+ | None -> t in
+ let rec outside = function
+ [] -> []
+ | ((PC.TPOEllipsis(clt),q) as t)::r when is_minus t -> t :: inside 0 r
+ | t::r -> t :: outside r
+ and inside stack = function
+ [] -> failwith "missing nest end"
+ | ((PC.TPCEllipsis(clt),q) as t)::r ->
+ (drop_minus t)
+ :: (if stack = 0 then outside r else inside (stack - 1) r)
+ | ((PC.TPOEllipsis(clt),q) as t)::r ->
+ (drop_minus t) :: (inside (stack + 1) r)
+ | t :: r -> (drop_minus t) :: (inside stack r) in
+ outside tokens
+
let check_parentheses tokens =
let clt2line (_,line,_,_,_,_,_,_) = line in
let rec loop seen_open = function
(translate_when_true_false (* after insert_line_end *)
(insert_line_end
(detect_types false
- (find_function_names (detect_attr (check_parentheses tokens))))))
+ (find_function_names
+ (detect_attr
+ (check_nests
+ (check_parentheses tokens)))))))
let prepare_mv_tokens tokens =
detect_types false (detect_attr tokens)
let tokens = prepare_tokens (start@tokens) in
(*
print_tokens "iso tokens" tokens;
- *)
+ å*)
let entry = parse_one "iso main" PC.iso_main file tokens in
let entry = List.map (List.map Test_exps.process_anything) entry in
if more
let parse file =
Lexer_cocci.init();
let rec parse_loop file =
+ Lexer_cocci.include_init ();
let table = Common.full_charpos_to_pos file in
Common.with_open_infile file (fun channel ->
let lexbuf = Lexing.from_channel channel in
List.iter (function x -> Hashtbl.add Lexer_cocci.rule_names x ())
virt;
- let (extra_iso_files, extra_rules, extra_virt) =
+ let (extra_iso_files, extra_rules, extra_virt, extra_metas) =
let rec loop = function
- [] -> ([],[],[])
- | (a,b,c)::rest ->
- let (x,y,z) = loop rest in
- (a::x,b::y,c::z) in
+ [] -> ([],[],[],[])
+ | (a,b,c,d)::rest ->
+ let (x,y,z,zz) = loop rest in
+ (a::x,b::y,c::z,d@zz) in
loop (List.map parse_loop include_files) in
let parse_cocci_rule ruletype old_metas
let (more, rule, metavars, tokens) =
parse_rule old_metas starts_with_name in
+ let all_metas = metavars @ old_metas in
+
if more then
- rule::
- (loop (metavars @ old_metas) (gen_starts_with_name more tokens))
- else [rule] in
+ let (all_rules,all_metas) =
+ loop all_metas (gen_starts_with_name more tokens) in
+ (rule::all_rules,all_metas)
+ else ([rule],all_metas) in
+
+ let (all_rules,all_metas) =
+ loop extra_metas (x = PC.TArob) in
(List.fold_left
(function prev -> function cur -> Common.union_set cur prev)
iso_files extra_iso_files,
(* included rules first *)
List.fold_left (function prev -> function cur -> cur@prev)
- (loop [] (x = PC.TArob)) (List.rev extra_rules),
- List.fold_left (@) virt extra_virt (*no dups allowed*))
+ all_rules (List.rev extra_rules),
+ List.fold_left (@) virt extra_virt (*no dups allowed*),
+ (all_metas : 'a list))
| _ -> failwith "unexpected code before the first rule\n")
| (false,[(PC.TArobArob,_)]) | (false,[(PC.TArob,_)]) ->
- ([],([] : Ast0.parsed_rule list),[] (*virtual rules*))
+ ([],([] : Ast0.parsed_rule list),[] (*virtual rules*), [] (*all metas*))
| _ -> failwith "unexpected code before the first rule\n" in
res) in
parse_loop file
(* parse to ast0 and then convert to ast *)
let process file isofile verbose =
let extra_path = Filename.dirname file in
- let (iso_files, rules, virt) = parse file in
+ let (iso_files, rules, virt, _metas) = parse file in
eval_virt virt;
let std_isos =
match isofile with