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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 | ||
34e49164 C |
27 | let drop_spaces s = |
28 | String.concat "" (Str.split (Str.regexp "[ ]+") s) | |
29 | ||
30 | let parse_line fp l n = | |
31 | if List.mem l fp | |
32 | then None | |
33 | else | |
34 | if Str.string_match (Str.regexp "#") l 0 | |
35 | then None (* comment line *) | |
36 | else | |
37 | let top_split = Str.split (Str.regexp ":") l in | |
38 | match top_split with | |
39 | cocci::first::others -> | |
40 | let rec loop tag = function | |
41 | [x] -> | |
42 | let x = | |
43 | String.concat "\\ " (Str.split (Str.regexp "[ ]+") x) in | |
44 | [(tag,x)] | |
45 | | first::rest -> | |
46 | let splitted = Str.split (Str.regexp "[ ]+") first in | |
47 | (match List.rev splitted with | |
48 | new_tag::info -> | |
49 | let rest = loop new_tag rest in | |
413ffc02 | 50 | (tag,String.concat "\\ " (List.rev info))::rest |
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51 | | _ -> failwith "bad element") |
52 | | _ -> failwith "no data" in | |
53 | Some (cocci,loop (drop_spaces first) others) | |
54 | | _ -> failwith (Printf.sprintf "bad line: %s" l) | |
ae4735db | 55 | |
34e49164 C |
56 | let collect_lines fp i = |
57 | let lines = ref [] in | |
58 | let ln = ref 0 in | |
59 | let rec loop _ = | |
60 | ln := !ln + 1; | |
61 | (match parse_line fp (input_line i) !ln with | |
62 | Some l -> | |
63 | if List.mem l !lines | |
64 | then () | |
65 | else lines := l::!lines | |
66 | | None -> ()); | |
67 | loop() in | |
68 | try loop() with End_of_file -> !lines | |
69 | ||
70 | (* --------------------------------------------------------------------- *) | |
71 | ||
72 | let process_fp fl = | |
73 | let i = open_in fl in | |
74 | let lines = ref ([] : string list) in | |
75 | let rec loop _ = | |
76 | let l = input_line i in | |
77 | (if not(Str.string_match (Str.regexp "#") l 0) | |
78 | then lines := l :: !lines); | |
79 | loop() in | |
80 | (try loop() with End_of_file -> ()); | |
81 | close_in i; | |
82 | !lines | |
83 | ||
84 | (* --------------------------------------------------------------------- *) | |
9f8e26f4 | 85 | (* same info, different categories *) |
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86 | |
87 | let discard_ambiguous lines = | |
88 | let rec loop = function | |
89 | [] -> [] | |
90 | | (cocci,tags)::rest -> | |
91 | let (same,others) = | |
92 | List.partition | |
93 | (function (cocci2,tags2) -> tags = tags2 && not(cocci = cocci2)) | |
94 | rest in | |
95 | match same with | |
96 | [] -> (cocci,tags)::loop rest | |
97 | | _ -> | |
98 | Printf.printf "ignoring ambiguity:\n"; | |
99 | List.iter | |
100 | (function (cocci,tags) -> | |
101 | Printf.printf "%s: %s\n" cocci | |
102 | (String.concat ", " | |
103 | (List.map | |
104 | (function (tag,tagval) -> | |
105 | Printf.sprintf "%s: %s" tag tagval) | |
106 | tags))) | |
107 | ((cocci,tags)::same); | |
108 | loop others in | |
109 | loop lines | |
110 | ||
111 | (* --------------------------------------------------------------------- *) | |
112 | (* only actually collects the rightmost element into ors *) | |
113 | ||
114 | let split_or (cocci,line) = | |
115 | let rev = List.rev line in | |
116 | (cocci,List.rev(List.tl rev), List.hd rev) | |
117 | ||
118 | let collect_ors fp lines = | |
119 | let rec loop = function | |
120 | [] -> failwith "no lines" | |
121 | | [line] -> | |
122 | let (c,k,v) = split_or line in | |
123 | ((c,k,[v]),[]) | |
124 | | line::xs -> | |
125 | let (c,k,v) = split_or line in | |
126 | let ((c1,k1,v1),rest) = loop xs in | |
978fd7e5 | 127 | if c = c1 && k = k1 && not (k = []) |
34e49164 C |
128 | then |
129 | if List.mem v v1 | |
130 | then ((c1,k1,v1),rest) | |
131 | else ((c1,k1,v::v1),rest) | |
132 | else ((c,k,[v]),((c1,k1,v1)::rest)) in | |
133 | let ((c,k,v),rest) = loop lines in | |
134 | let res = (c,k,v)::rest in | |
135 | List.fold_left | |
136 | (function prev -> | |
137 | function (c,k,v) -> | |
138 | match v with | |
139 | [] -> failwith "not possible" | |
140 | | [x] -> (c,k@v) :: prev | |
141 | | (tag,_)::_ -> | |
91eba41f | 142 | (*let vs = |
34e49164 C |
143 | Printf.sprintf "%s:(%s)" tag |
144 | (String.concat "|" | |
145 | (List.sort compare | |
146 | (List.map (function (_,vl) -> vl) v))) in | |
147 | let attempt = | |
148 | Printf.sprintf "%s: %s %s" c | |
149 | (String.concat " " (List.map (function (k,v) -> k^":"^v) k)) | |
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150 | vs in*) |
151 | if true (*List.mem attempt fp*) | |
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152 | then |
153 | let vs = | |
154 | Printf.sprintf "\\\\\\\\\\(%s\\\\\\\\\\)" | |
155 | (String.concat "\\\\\\\\\\|" | |
156 | (List.sort compare | |
157 | (List.map (function (_,vl) -> vl) v))) in | |
158 | (c,k@[(tag,vs)]) :: prev | |
159 | else (List.map (function vi -> (c,k@[vi])) v) @ prev) | |
160 | [] res | |
161 | ||
162 | (* --------------------------------------------------------------------- *) | |
163 | ||
164 | let command s = | |
165 | let _ = Sys.command s in | |
166 | () | |
167 | ||
785a3008 | 168 | let created = ref ([] : (string * (string list ref * out_channel)) list) |
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169 | |
170 | let mktag n = Printf.sprintf "x%d" n | |
171 | ||
172 | let created_files = ref ([] : (string * int ref) list) | |
173 | ||
174 | let process_line env (cocci,tags) = | |
175 | let files = List.filter (function (c,f) -> c = cocci) env in | |
176 | List.iter | |
177 | (function (_,cocci_file) -> | |
178 | let resdir = Filename.chop_extension cocci_file in | |
179 | (if not(Sys.file_exists cocci_file) | |
180 | then failwith "no cocci file"); | |
181 | let (n,o) = | |
182 | try List.assoc resdir !created | |
183 | with Not_found -> | |
184 | begin | |
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185 | if Sys.file_exists resdir |
186 | then | |
187 | command | |
188 | (Printf.sprintf | |
189 | "test %s -nt %s && /bin/rm -r -f %s && mkdir %s" | |
190 | cocci_file resdir resdir resdir) | |
191 | else command (Printf.sprintf "mkdir %s" resdir); | |
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192 | let files = Printf.sprintf "%s/files" resdir in |
193 | let o = open_out files in | |
194 | Printf.fprintf o "all: real_all\n\n"; | |
785a3008 | 195 | let cell = ((ref []),o) in |
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196 | created := (resdir,cell) :: !created; |
197 | cell | |
198 | end in | |
199 | let temp_file = Filename.temp_file cocci ".cocci" in | |
200 | command (Printf.sprintf "cp %s %s" cocci_file temp_file); | |
201 | let first_tag_val = | |
202 | match tags with | |
203 | [] -> failwith "no tags" | |
204 | | (_,first_tag_val)::_ -> | |
205 | let cell = | |
206 | try List.assoc first_tag_val !created_files | |
207 | with Not_found -> | |
208 | let c = ref (-1) in | |
209 | created_files := (first_tag_val,c)::!created_files; | |
210 | c in | |
211 | cell := !cell + 1; | |
212 | if !cell = 0 | |
213 | then first_tag_val | |
214 | else Printf.sprintf "%s%d" first_tag_val !cell in | |
215 | List.iter | |
216 | (function (tag,tagval) -> | |
217 | command | |
b23ff9c7 | 218 | (Printf.sprintf "sed s+%s+%s+ %s > %s_out; cp %s_out %s" |
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219 | tag tagval temp_file temp_file temp_file temp_file)) |
220 | tags; | |
221 | command | |
222 | (Printf.sprintf "mv %s %s/%s.cocci" temp_file resdir first_tag_val); | |
785a3008 C |
223 | Printf.fprintf o "%s.out:\n\tmono_spatch_linux %s.cocci ${ARGS}\n\n" |
224 | first_tag_val first_tag_val; | |
225 | n := (first_tag_val^".out") :: !n) | |
34e49164 | 226 | files |
ae4735db | 227 | |
34e49164 | 228 | (* --------------------------------------------------------------------- *) |
ae4735db | 229 | |
34e49164 C |
230 | let rec mkenv = function |
231 | [] -> [] | |
232 | | [_] -> failwith "required arguments: file (category x cocci file)*" | |
233 | | category::cocci::rest -> | |
234 | if Filename.check_suffix cocci ".cocci" | |
235 | then (category,cocci)::mkenv rest | |
236 | else failwith "required arguments: file (category x cocci file)*" | |
237 | ||
238 | let rec upto = function | |
239 | 0 -> [] | |
240 | | n -> (mktag (n-1)) :: (upto (n-1)) | |
ae4735db | 241 | |
34e49164 | 242 | let _ = |
9f8e26f4 C |
243 | let (no_ors,args) = |
244 | List.partition (function "-no_ors" -> true | _ -> false) | |
245 | (Array.to_list Sys.argv) in | |
34e49164 | 246 | let (file,fp,env) = |
9f8e26f4 | 247 | match List.tl args with |
34e49164 C |
248 | file::env -> |
249 | let rec loop prev = function | |
250 | [] -> | |
251 | if prev = "" | |
252 | then ([],[]) | |
253 | else ([prev],[]) | |
254 | | x::xs -> | |
255 | try | |
256 | let _ = Str.search_forward (Str.regexp ".cocci") x 0 in | |
257 | if prev = "" | |
258 | then ([],x::xs) | |
259 | else ([],prev::x::xs) | |
260 | with Not_found -> | |
261 | let (fp,env) = loop x xs in | |
262 | if prev = "" | |
263 | then (fp,env) | |
264 | else (prev::fp,env) in | |
265 | let (fp,env) = loop "" env in | |
266 | (file,fp,mkenv env) | |
267 | | _ -> failwith "one argument expected" in | |
268 | let fp = List.fold_left (@) [] (List.map process_fp fp) in | |
269 | let i = open_in file in | |
270 | let lines = collect_lines fp i in | |
9f8e26f4 | 271 | let lines = if no_ors = [] then collect_ors fp lines else lines in |
34e49164 C |
272 | close_in i; |
273 | let lines = discard_ambiguous lines in | |
274 | List.iter (process_line env) lines; | |
275 | List.iter | |
276 | (function (resdir,(n,o)) -> | |
277 | Printf.fprintf o "real_all: %s\n" | |
785a3008 C |
278 | (String.concat " " (List.rev !n)); |
279 | Printf.fprintf o "\tcat %s > completed\n" | |
280 | (String.concat " " (List.rev !n)); | |
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281 | close_out o) |
282 | !created |