[bpt/coccinelle.git] / engine / sgrep.ml

(*
 * Copyright 2012, INRIA
 * Julia Lawall, Gilles Muller
 * Copyright 2010-2011, INRIA, University of Copenhagen
 * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
 * Copyright 2005-2009, 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.
 *)


(* no longer used *)

type marker =
    NoMark | BefMark of string | AftMark of string
  | BefAftMark of string * string

let extract_sgrep_marker l =
  let rec inner_loop acc = function
      [] -> (acc,[])
    | Ast_cocci.SgrepStartTag(s)::rest ->
	(match acc with
	  NoMark -> inner_loop (BefMark(s)) rest
	| _ -> failwith "unexpected mark")
    | Ast_cocci.SgrepEndTag(s)::rest ->
	(match acc with
	  NoMark -> inner_loop (AftMark(s)) rest
	| BefMark(m) -> inner_loop (BefAftMark(m,s)) rest
	| _ -> failwith "unexpected mark")
    | x::rest ->
	let (acc,rest) = inner_loop acc rest in
	(acc,x::rest) in
  let (acc,l) =
    List.fold_left
      (function (acc,prev) ->
	function cur ->
	  let (acc,cur) = inner_loop acc cur in
	  (acc,cur::prev))
      (NoMark,[]) l in
  (acc,List.rev l)

let process_sgrep ii mck =
  let file = Ast_c.file_of_info ii in
  let line = Ast_c.line_of_info ii in
  let col = Ast_c.col_of_info ii in
  let str = Ast_c.str_of_info ii in
  match mck with
    Ast_cocci.MINUS(pos,inst,adj,repl) ->
      (match extract_sgrep_marker repl with
	(NoMark,_) -> mck
      |	(BefMark(marker),repl) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    marker file line col;
	  Ast_cocci.MINUS(pos,inst,adj,repl)
      |	(AftMark(marker),repl) ->
	  Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	    marker file line (col + String.length str);
	  Ast_cocci.MINUS(pos,inst,adj,repl)
      |	(BefAftMark(bmarker,amarker),repl) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    bmarker file line col;
	  Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	    amarker file line (col + String.length str);
	  Ast_cocci.MINUS(pos,inst,adj,repl))
  | Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING) -> mck
  | Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c)) ->
      (match extract_sgrep_marker bef with
	(NoMark,_) -> mck
      |	(BefMark(marker),[]) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    marker file line col;
	  Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
      |	(BefMark(marker),bef) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    marker file line col;
	  Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
      |	_ -> failwith "after not possible")
  | Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c)) ->
      (match extract_sgrep_marker aft with
	(NoMark,_) -> mck
      |	(AftMark(marker),[]) ->
	  Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	    marker file line (col + String.length str);
	  Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
      |	(AftMark(marker),aft) ->
	  Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	    marker file line (col + String.length str);
	  Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
      |	_ -> failwith "before not possible")
  | Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c)) ->
      (match extract_sgrep_marker bef with
	(NoMark,_) ->
	  (match extract_sgrep_marker aft with
	    (NoMark,_) -> mck
	  | (AftMark(marker),[]) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
	  | (AftMark(marker),aft) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
	  | _ -> failwith "before not possible")
      | (BefMark(marker),[]) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    marker file line col;
	  (match extract_sgrep_marker aft with
	    (NoMark,_) -> Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
	  | (AftMark(marker),[]) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
	  | (AftMark(marker),aft) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
	  | _ -> failwith "before not possible")
      | (BefMark(marker),bef) ->
	  Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	    marker file line col;
	  (match extract_sgrep_marker aft with
	    (NoMark,_) ->
	      Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
	  | (AftMark(marker),[]) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
	  | (AftMark(marker),aft) ->
	      Printf.printf
		"Match on line %s ending at %s: line %d offset %d\n"
		marker file line (col + String.length str);
	      Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
	  | _ -> failwith "before not possible")
      |	_ -> failwith "after not possible")
  | _ -> failwith "unexpected plus code"
Commit	Line	Data
f537ebc4	1	(*
17ba0788 C	2	* Copyright 2012, INRIA
	3	* Julia Lawall, Gilles Muller
	4	* Copyright 2010-2011, INRIA, University of Copenhagen
f537ebc4 C	5	* Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
	6	* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
	7	* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
	8	* This file is part of Coccinelle.
	9	*
	10	* Coccinelle is free software: you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation, according to version 2 of the License.
	13	*
	14	* Coccinelle is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
	21	*
	22	* The authors reserve the right to distribute this or future versions of
	23	* Coccinelle under other licenses.
	24	*)
	25
	26
8babbc8f C	27	(* no longer used *)
8babbc8f C	28
34e49164 C	29	type marker =
	30	NoMark \| BefMark of string \| AftMark of string
	31	\| BefAftMark of string * string
	32
	33	let extract_sgrep_marker l =
	34	let rec inner_loop acc = function
	35	[] -> (acc,[])
	36	\| Ast_cocci.SgrepStartTag(s)::rest ->
	37	(match acc with
	38	NoMark -> inner_loop (BefMark(s)) rest
	39	\| _ -> failwith "unexpected mark")
	40	\| Ast_cocci.SgrepEndTag(s)::rest ->
	41	(match acc with
	42	NoMark -> inner_loop (AftMark(s)) rest
	43	\| BefMark(m) -> inner_loop (BefAftMark(m,s)) rest
	44	\| _ -> failwith "unexpected mark")
	45	\| x::rest ->
	46	let (acc,rest) = inner_loop acc rest in
	47	(acc,x::rest) in
	48	let (acc,l) =
	49	List.fold_left
	50	(function (acc,prev) ->
	51	function cur ->
	52	let (acc,cur) = inner_loop acc cur in
	53	(acc,cur::prev))
	54	(NoMark,[]) l in
	55	(acc,List.rev l)
	56
	57	let process_sgrep ii mck =
	58	let file = Ast_c.file_of_info ii in
	59	let line = Ast_c.line_of_info ii in
	60	let col = Ast_c.col_of_info ii in
	61	let str = Ast_c.str_of_info ii in
	62	match mck with
708f4980	63	Ast_cocci.MINUS(pos,inst,adj,repl) ->
34e49164 C	64	(match extract_sgrep_marker repl with
	65	(NoMark,_) -> mck
	66	\| (BefMark(marker),repl) ->
	67	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	68	marker file line col;
708f4980	69	Ast_cocci.MINUS(pos,inst,adj,repl)
34e49164 C	70	\| (AftMark(marker),repl) ->
	71	Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	72	marker file line (col + String.length str);
708f4980	73	Ast_cocci.MINUS(pos,inst,adj,repl)
34e49164 C	74	\| (BefAftMark(bmarker,amarker),repl) ->
	75	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	76	bmarker file line col;
	77	Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	78	amarker file line (col + String.length str);
708f4980	79	Ast_cocci.MINUS(pos,inst,adj,repl))
34e49164	80	\| Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING) -> mck
951c7801	81	\| Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c)) ->
34e49164 C	82	(match extract_sgrep_marker bef with
	83	(NoMark,_) -> mck
	84	\| (BefMark(marker),[]) ->
	85	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	86	marker file line col;
	87	Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
	88	\| (BefMark(marker),bef) ->
	89	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	90	marker file line col;
951c7801	91	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
34e49164	92	\| _ -> failwith "after not possible")
951c7801	93	\| Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c)) ->
34e49164 C	94	(match extract_sgrep_marker aft with
	95	(NoMark,_) -> mck
	96	\| (AftMark(marker),[]) ->
	97	Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	98	marker file line (col + String.length str);
	99	Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
	100	\| (AftMark(marker),aft) ->
	101	Printf.printf "Match on line %s ending at %s: line %d offset %d\n"
	102	marker file line (col + String.length str);
951c7801	103	Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
34e49164	104	\| _ -> failwith "before not possible")
951c7801	105	\| Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c)) ->
34e49164 C	106	(match extract_sgrep_marker bef with
	107	(NoMark,_) ->
	108	(match extract_sgrep_marker aft with
	109	(NoMark,_) -> mck
	110	\| (AftMark(marker),[]) ->
	111	Printf.printf
	112	"Match on line %s ending at %s: line %d offset %d\n"
	113	marker file line (col + String.length str);
951c7801	114	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
34e49164 C	115	\| (AftMark(marker),aft) ->
	116	Printf.printf
	117	"Match on line %s ending at %s: line %d offset %d\n"
	118	marker file line (col + String.length str);
951c7801	119	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
34e49164 C	120	\| _ -> failwith "before not possible")
	121	\| (BefMark(marker),[]) ->
	122	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	123	marker file line col;
	124	(match extract_sgrep_marker aft with
951c7801	125	(NoMark,_) -> Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
34e49164 C	126	\| (AftMark(marker),[]) ->
	127	Printf.printf
	128	"Match on line %s ending at %s: line %d offset %d\n"
	129	marker file line (col + String.length str);
	130	Ast_cocci.CONTEXT(pos,Ast_cocci.NOTHING)
	131	\| (AftMark(marker),aft) ->
	132	Printf.printf
	133	"Match on line %s ending at %s: line %d offset %d\n"
	134	marker file line (col + String.length str);
951c7801	135	Ast_cocci.CONTEXT(pos,Ast_cocci.AFTER(aft,c))
34e49164 C	136	\| _ -> failwith "before not possible")
	137	\| (BefMark(marker),bef) ->
	138	Printf.printf "Match on line %s starting at %s: line %d offset %d\n"
	139	marker file line col;
	140	(match extract_sgrep_marker aft with
708f4980	141	(NoMark,_) ->
951c7801	142	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
34e49164 C	143	\| (AftMark(marker),[]) ->
	144	Printf.printf
	145	"Match on line %s ending at %s: line %d offset %d\n"
	146	marker file line (col + String.length str);
951c7801	147	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFORE(bef,c))
34e49164 C	148	\| (AftMark(marker),aft) ->
	149	Printf.printf
	150	"Match on line %s ending at %s: line %d offset %d\n"
	151	marker file line (col + String.length str);
951c7801	152	Ast_cocci.CONTEXT(pos,Ast_cocci.BEFOREAFTER(bef,aft,c))
34e49164 C	153	\| _ -> failwith "before not possible")
	154	\| _ -> failwith "after not possible")
	155	\| _ -> failwith "unexpected plus code"