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9f8e26f4 | 1 | (* |
ae4735db | 2 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen |
9f8e26f4 C |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
34e49164 C |
23 | open Common |
24 | ||
25 | (*****************************************************************************) | |
26 | (* Test framework *) | |
27 | (*****************************************************************************) | |
28 | ||
29 | (* There can be multiple .c for the same cocci file. The convention | |
30 | * is to have one base.cocci and a base.c and some optional | |
31 | * base_vernn.[c,res]. | |
ae4735db | 32 | * |
34e49164 C |
33 | * If want to test without iso, use -iso_file empty.iso option. |
34 | *) | |
c3e37e97 | 35 | let testone prefix x compare_with_expected_flag = |
34e49164 C |
36 | let x = if x =~ "\\(.*\\)_ver0$" then matched1 x else x in |
37 | let base = if x =~ "\\(.*\\)_ver[0-9]+$" then matched1 x else x in | |
38 | ||
c3e37e97 C |
39 | let cfile = prefix ^ x ^ ".c" in |
40 | let cocci_file = prefix ^ base ^ ".cocci" in | |
34e49164 | 41 | |
c3e37e97 | 42 | let expected_res = prefix ^ x ^ ".res" in |
34e49164 | 43 | begin |
b1b2de81 C |
44 | let cocci_infos = Cocci.pre_engine (cocci_file, !Config.std_iso) in |
45 | let res = Cocci.full_engine cocci_infos [cfile] in | |
46 | Cocci.post_engine cocci_infos; | |
ae4735db | 47 | let generated = |
34e49164 | 48 | match Common.optionise (fun () -> List.assoc cfile res) with |
ae4735db C |
49 | | Some (Some outfile) -> |
50 | if List.length res > 1 | |
34e49164 C |
51 | then pr2 ("note that not just " ^ cfile ^ " was involved"); |
52 | ||
53 | let tmpfile = "/tmp/"^Common.basename cfile in | |
54 | pr2 (sprintf "One file modified. Result is here: %s" tmpfile); | |
55 | Common.command2 ("mv "^outfile^" "^tmpfile); | |
56 | tmpfile | |
ae4735db | 57 | | Some None -> |
34e49164 C |
58 | pr2 "no modification on the input file"; |
59 | cfile | |
60 | | None -> raise Impossible | |
61 | in | |
62 | if compare_with_expected_flag | |
ae4735db C |
63 | then |
64 | Compare_c.compare_default generated expected_res | |
65 | +> Compare_c.compare_result_to_string | |
34e49164 C |
66 | +> pr2; |
67 | end | |
ae4735db | 68 | |
34e49164 C |
69 | |
70 | (* ------------------------------------------------------------------------ *) | |
ae4735db C |
71 | (* note: if you get some weird results in -testall, and not in -test, |
72 | * it is possible that a test file work in -test but may not | |
708f4980 | 73 | * work while used inside a -testall. If we have some bugs in our |
ae4735db | 74 | * parser that modify some global state and that those states |
708f4980 C |
75 | * are not reseted between each test file, then having run previous |
76 | * test files may have an influence on another test file which mean | |
77 | * than a test may work in isolation (via -test) but not otherwise | |
78 | * (via -testall). Fortunately such bugs are rare. | |
ae4735db | 79 | * |
708f4980 C |
80 | *) |
81 | let testall ?(expected_score_file="tests/SCORE_expected.sexp") () = | |
ae4735db | 82 | |
b1b2de81 | 83 | let score = empty_score () in |
34e49164 | 84 | |
ae4735db C |
85 | let expected_result_files = |
86 | Common.glob "tests/*.res" | |
34e49164 C |
87 | +> List.filter (fun f -> Common.filesize f > 0) |
88 | +> List.map Filename.basename | |
89 | +> List.sort compare | |
90 | in | |
91 | ||
92 | begin | |
ae4735db C |
93 | expected_result_files +> List.iter (fun res -> |
94 | let x = | |
b1b2de81 | 95 | if res =~ "\\(.*\\).res" then matched1 res else raise Impossible in |
ae4735db | 96 | let base = if x =~ "\\(.*\\)_ver[0-9]+" then matched1 x else x in |
34e49164 C |
97 | let cfile = "tests/" ^ x ^ ".c" in |
98 | let cocci_file = "tests/" ^ base ^ ".cocci" in | |
99 | let expected = "tests/" ^ res in | |
100 | ||
101 | let timeout_testall = 30 in | |
102 | ||
103 | try ( | |
ae4735db | 104 | Common.timeout_function timeout_testall (fun () -> |
b1b2de81 | 105 | |
708f4980 C |
106 | pr2 res; |
107 | ||
b1b2de81 C |
108 | let cocci_infos = Cocci.pre_engine (cocci_file, !Config.std_iso) in |
109 | let xs = Cocci.full_engine cocci_infos [cfile] in | |
110 | Cocci.post_engine cocci_infos; | |
111 | ||
ae4735db | 112 | let generated = |
34e49164 C |
113 | match List.assoc cfile xs with |
114 | | Some generated -> generated | |
115 | | None -> cfile | |
116 | in | |
117 | ||
118 | let (correct, diffxs) = Compare_c.compare_default generated expected | |
119 | in | |
120 | ||
34e49164 C |
121 | (* I don't use Compare_c.compare_result_to_string because |
122 | * I want to indent a little more the messages. | |
123 | *) | |
124 | (match correct with | |
b1b2de81 | 125 | | Compare_c.Correct -> Hashtbl.add score res Common.Ok; |
ae4735db C |
126 | | Compare_c.Pb s -> |
127 | let s = Str.global_replace | |
34e49164 | 128 | (Str.regexp "\"/tmp/cocci-output.*\"") "<COCCIOUTPUTFILE>" s |
978fd7e5 C |
129 | in |
130 | (* on macos the temporary files are stored elsewhere *) | |
ae4735db | 131 | let s = Str.global_replace |
978fd7e5 | 132 | (Str.regexp "\"/var/folders/.*/cocci-output.*\"") "<COCCIOUTPUTFILE>" s |
34e49164 | 133 | in |
ae4735db C |
134 | let s = |
135 | "INCORRECT:" ^ s ^ "\n" ^ | |
34e49164 C |
136 | " diff (result(<) vs expected_result(>)) = \n" ^ |
137 | (diffxs +> List.map(fun s -> " "^s^"\n") +> Common.join "") | |
138 | in | |
b1b2de81 | 139 | Hashtbl.add score res (Common.Pb s) |
ae4735db C |
140 | | Compare_c.PbOnlyInNotParsedCorrectly s -> |
141 | let s = | |
34e49164 C |
142 | "seems incorrect, but only because of code that " ^ |
143 | "was not parsable" ^ s | |
144 | in | |
b1b2de81 | 145 | Hashtbl.add score res (Common.Pb s) |
34e49164 C |
146 | ) |
147 | ) | |
148 | ) | |
ae4735db | 149 | with exn -> |
34e49164 C |
150 | Common.reset_pr_indent(); |
151 | let s = "PROBLEM\n" ^ (" exn = " ^ Printexc.to_string exn ^ "\n") in | |
b1b2de81 | 152 | Hashtbl.add score res (Common.Pb s) |
34e49164 C |
153 | ); |
154 | ||
155 | ||
156 | pr2 "--------------------------------"; | |
157 | pr2 "statistics"; | |
158 | pr2 "--------------------------------"; | |
159 | ||
ae4735db | 160 | Common.hash_to_list score +> List.iter (fun (s, v) -> |
34e49164 C |
161 | pr_no_nl (Printf.sprintf "%-30s: " s); |
162 | pr_no_nl ( | |
163 | match v with | |
ae4735db | 164 | | Common.Ok -> "CORRECT\n" |
34e49164 C |
165 | | Common.Pb s -> s |
166 | ) | |
167 | ); | |
168 | flush stdout; flush stderr; | |
169 | ||
170 | pr2 "--------------------------------"; | |
171 | pr2 "regression testing information"; | |
172 | pr2 "--------------------------------"; | |
ae4735db | 173 | |
708f4980 | 174 | (* now default argument of testall: |
b1b2de81 | 175 | let expected_score_file = "tests/SCORE_expected.sexp" in |
708f4980 C |
176 | *) |
177 | let expected_score_file_orig = "tests/SCORE_expected_orig.sexp" in | |
b1b2de81 C |
178 | let best_of_both_file = "tests/SCORE_best_of_both.sexp" in |
179 | let actual_score_file = "tests/SCORE_actual.sexp" in | |
708f4980 | 180 | |
b1b2de81 | 181 | pr2 ("regression file: "^ expected_score_file); |
ae4735db | 182 | let (expected_score : score) = |
b1b2de81 | 183 | if Sys.file_exists expected_score_file |
ae4735db | 184 | then |
b1b2de81 C |
185 | let sexp = Sexp.load_sexp expected_score_file in |
186 | Sexp_common.score_of_sexp sexp | |
ae4735db C |
187 | else |
188 | if Sys.file_exists expected_score_file_orig | |
708f4980 C |
189 | then begin |
190 | pr2 (spf "use expected orig file (%s)" expected_score_file_orig); | |
ae4735db | 191 | Common.command2 (spf "cp %s %s" expected_score_file_orig |
708f4980 C |
192 | expected_score_file); |
193 | let sexp = Sexp.load_sexp expected_score_file in | |
194 | Sexp_common.score_of_sexp sexp | |
195 | end | |
ae4735db | 196 | else |
708f4980 | 197 | empty_score() |
b1b2de81 | 198 | in |
34e49164 | 199 | |
b1b2de81 C |
200 | let new_bestscore = Common.regression_testing_vs score expected_score in |
201 | ||
202 | ||
203 | let xs = Common.hash_to_list score in | |
204 | let sexp = Sexp_common.sexp_of_score_list xs in | |
205 | let s_score = Sexp.to_string_hum sexp in | |
206 | Common.write_file ~file:(actual_score_file) s_score; | |
207 | ||
208 | let xs2 = Common.hash_to_list new_bestscore in | |
209 | let sexp2 = Sexp_common.sexp_of_score_list xs2 in | |
210 | let s_score2 = Sexp.to_string_hum sexp2 in | |
211 | Common.write_file ~file:(best_of_both_file) s_score2; | |
212 | ||
213 | Common.print_total_score score; | |
214 | ||
215 | let (good, total) = Common.total_scores score in | |
216 | let (expected_good, expected_total) = Common.total_scores expected_score in | |
217 | ||
ae4735db C |
218 | if good = expected_good |
219 | then begin | |
b1b2de81 C |
220 | pr2 "Current score is equal to expected score; everything is fine"; |
221 | raise (UnixExit 0); | |
222 | end | |
ae4735db | 223 | else |
b1b2de81 | 224 | if good < expected_good |
ae4735db | 225 | then begin |
708f4980 C |
226 | pr2 "Current score is lower than expected :("; |
227 | pr2 (spf "(was expecting %d but got %d)" expected_good good); | |
b1b2de81 C |
228 | pr2 ""; |
229 | pr2 "If you think it's normal, then maybe you need to update the"; | |
230 | pr2 (spf "score file %s, copying info from %s." | |
231 | expected_score_file actual_score_file); | |
232 | raise (UnixExit 1); | |
233 | end | |
234 | else begin | |
708f4980 C |
235 | pr2 "Current score is greater than expected :)"; |
236 | pr2 (spf "(was expecting %d but got %d)" expected_good good); | |
b1b2de81 C |
237 | pr2 "Generating new expected score file and saving old one"; |
238 | Common.command2_y_or_no_exit_if_no | |
239 | (spf "mv %s %s" expected_score_file (expected_score_file ^ ".save")); | |
240 | Common.command2_y_or_no_exit_if_no | |
241 | (spf "mv %s %s" best_of_both_file expected_score_file); | |
242 | raise (UnixExit 0); | |
243 | end | |
ae4735db | 244 | |
34e49164 C |
245 | end |
246 | ||
247 | (* ------------------------------------------------------------------------ *) | |
248 | ||
249 | type okfailed = Ok | SpatchOK | Failed | |
250 | ||
251 | (* test_to_string *) | |
252 | let t_to_s = function | |
253 | | Ok -> ".ok" | |
254 | | SpatchOK -> ".spatch_ok" | |
255 | | Failed -> ".failed" | |
256 | ||
ae4735db C |
257 | let delete_previous_result_files infile = |
258 | [Ok;SpatchOK;Failed] +> List.iter (fun kind -> | |
34e49164 C |
259 | Common.command2 ("rm -f " ^ infile ^ t_to_s kind) |
260 | ) | |
261 | ||
262 | (* quite similar to compare_with_expected below *) | |
ae4735db | 263 | let test_okfailed cocci_file cfiles = |
34e49164 C |
264 | cfiles +> List.iter delete_previous_result_files; |
265 | ||
266 | (* final_files contain the name of an output file (a .ok or .failed | |
267 | * or .spatch_ok), and also some additionnal strings to be printed in | |
268 | * this output file in addition to the general error message of | |
269 | * full_engine. *) | |
ae4735db | 270 | let final_files = ref [] in |
34e49164 C |
271 | |
272 | ||
ae4735db C |
273 | let newout = |
274 | Common.new_temp_file "cocci" ".stdout" | |
34e49164 C |
275 | in |
276 | ||
277 | let t = Unix.gettimeofday () in | |
ae4735db | 278 | let time_per_file_str () = |
34e49164 C |
279 | let t' = Unix.gettimeofday () in |
280 | let tdiff = t' -. t in | |
281 | let tperfile = tdiff /. (float_of_int (List.length cfiles)) in | |
282 | spf "time: %f" tperfile | |
283 | in | |
ae4735db C |
284 | |
285 | Common.redirect_stdout_stderr newout (fun () -> | |
34e49164 C |
286 | try ( |
287 | Common.timeout_function_opt !Flag_cocci.timeout (fun () -> | |
288 | ||
b1b2de81 C |
289 | let cocci_infos = Cocci.pre_engine (cocci_file, !Config.std_iso) in |
290 | let outfiles = Cocci.full_engine cocci_infos cfiles in | |
291 | Cocci.post_engine cocci_infos; | |
34e49164 C |
292 | |
293 | let time_str = time_per_file_str () in | |
ae4735db C |
294 | |
295 | outfiles +> List.iter (fun (infile, outopt) -> | |
34e49164 | 296 | let (dir, base, ext) = Common.dbe_of_filename infile in |
ae4735db | 297 | let expected_suffix = |
34e49164 C |
298 | match ext with |
299 | | "c" -> "res" | |
300 | | "h" -> "h.res" | |
0708f913 | 301 | | s -> pr2 ("WEIRD: not a .c or .h :" ^ base ^ "." ^ s); |
34e49164 C |
302 | "" (* no extension, will compare to same file *) |
303 | in | |
ae4735db | 304 | let expected_res = |
34e49164 | 305 | Common.filename_of_dbe (dir, base, expected_suffix) in |
ae4735db C |
306 | let expected_res2 = |
307 | Common.filename_of_dbe (dir,"corrected_"^ base,expected_suffix) | |
34e49164 | 308 | in |
ae4735db | 309 | |
34e49164 C |
310 | (* can delete more than the first delete_previous_result_files |
311 | * because here we can have more files than in cfiles, for instance | |
312 | * the header files | |
313 | *) | |
314 | delete_previous_result_files infile; | |
ae4735db | 315 | |
34e49164 | 316 | match outopt, Common.lfile_exists expected_res with |
ae4735db | 317 | | None, false -> |
34e49164 | 318 | () |
ae4735db | 319 | | Some outfile, false -> |
34e49164 C |
320 | let s =("PB: input file " ^ infile ^ " modified but no .res") in |
321 | push2 (infile^t_to_s Failed, [s;time_str]) final_files | |
ae4735db C |
322 | |
323 | | x, true -> | |
324 | let outfile = | |
325 | match x with | |
326 | | Some outfile -> outfile | |
327 | | None -> infile | |
34e49164 | 328 | in |
ae4735db | 329 | |
34e49164 C |
330 | let diff = Compare_c.compare_default outfile expected_res in |
331 | let s1 = (Compare_c.compare_result_to_string diff) in | |
b1b2de81 | 332 | if fst diff =*= Compare_c.Correct |
34e49164 | 333 | then push2 (infile ^ (t_to_s Ok), [s1;time_str]) final_files |
ae4735db | 334 | else |
34e49164 C |
335 | if Common.lfile_exists expected_res2 |
336 | then begin | |
337 | let diff = Compare_c.compare_default outfile expected_res2 in | |
338 | let s2 = Compare_c.compare_result_to_string diff in | |
b1b2de81 | 339 | if fst diff =*= Compare_c.Correct |
ae4735db | 340 | then push2 (infile ^ (t_to_s SpatchOK),[s2;s1;time_str]) |
34e49164 | 341 | final_files |
ae4735db | 342 | else push2 (infile ^ (t_to_s Failed), [s2;s1;time_str]) |
34e49164 C |
343 | final_files |
344 | end | |
345 | else push2 (infile ^ (t_to_s Failed), [s1;time_str]) final_files | |
346 | ) | |
347 | ); | |
348 | ) | |
ae4735db | 349 | with exn -> |
34e49164 C |
350 | let clean s = |
351 | Str.global_replace (Str.regexp "\\\\n") "\n" | |
352 | (Str.global_replace (Str.regexp ("\\\\\"")) "\"" | |
353 | (Str.global_replace (Str.regexp "\\\\t") "\t" s)) in | |
354 | let s = "PROBLEM\n"^(" exn = " ^ clean(Printexc.to_string exn) ^ "\n") | |
355 | in | |
ae4735db | 356 | let time_str = time_per_file_str () |
34e49164 C |
357 | in |
358 | (* we may miss some file because cfiles is shorter than outfiles. | |
359 | * For instance the detected local headers are not in cfiles, so | |
360 | * may have less failed. But at least have some failed. | |
361 | *) | |
ae4735db | 362 | cfiles +> List.iter (fun infile -> |
34e49164 C |
363 | push2 (infile ^ (t_to_s Failed), [s;time_str]) final_files; |
364 | ); | |
365 | ); | |
ae4735db | 366 | !final_files +> List.iter (fun (file, additional_strs) -> |
34e49164 | 367 | Common.command2 ("cp " ^ newout ^ " " ^ file); |
ae4735db | 368 | with_open_outfile file (fun (pr, chan) -> |
34e49164 C |
369 | additional_strs +> List.iter (fun s -> pr (s ^ "\n")) |
370 | ); | |
ae4735db | 371 | |
34e49164 C |
372 | ) |
373 | ||
374 | ||
ae4735db | 375 | let test_regression_okfailed () = |
34e49164 C |
376 | |
377 | (* it's xxx.c.ok *) | |
378 | let chop_ext f = f +> Filename.chop_extension in | |
379 | ||
380 | let newscore = Common.empty_score () in | |
ae4735db C |
381 | let oks = |
382 | Common.cmd_to_list ("find -name \"*.ok\"") | |
34e49164 C |
383 | ++ |
384 | Common.cmd_to_list ("find -name \"*.spatch_ok\"") | |
385 | in | |
386 | let failed = Common.cmd_to_list ("find -name \"*.failed\"") in | |
387 | ||
ae4735db | 388 | if null (oks ++ failed) |
34e49164 C |
389 | then failwith "no ok/failed file, you certainly did a make clean" |
390 | else begin | |
ae4735db | 391 | oks +> List.iter (fun s -> |
34e49164 C |
392 | Hashtbl.add newscore (chop_ext s) Common.Ok |
393 | ); | |
ae4735db | 394 | failed +> List.iter (fun s -> |
34e49164 C |
395 | Hashtbl.add newscore (chop_ext s) (Common.Pb "fail") |
396 | ); | |
397 | pr2 "--------------------------------"; | |
398 | pr2 "regression testing information"; | |
399 | pr2 "--------------------------------"; | |
400 | Common.regression_testing newscore ("score_failed.marshalled") | |
401 | end | |
ae4735db | 402 | |
34e49164 C |
403 | |
404 | (* ------------------------------------------------------------------------ *) | |
405 | (* quite similar to test_ok_failed. Maybe could factorize code *) | |
406 | let compare_with_expected outfiles = | |
407 | pr2 ""; | |
ae4735db | 408 | outfiles +> List.iter (fun (infile, outopt) -> |
34e49164 | 409 | let (dir, base, ext) = Common.dbe_of_filename infile in |
ae4735db | 410 | let expected_suffix = |
34e49164 C |
411 | match ext with |
412 | | "c" -> "res" | |
413 | | "h" -> "h.res" | |
0708f913 | 414 | | s -> failwith ("weird C file, not a .c or .h :" ^ s) |
34e49164 | 415 | in |
ae4735db | 416 | let expected_res = |
34e49164 | 417 | Common.filename_of_dbe (dir, base, expected_suffix) in |
ae4735db C |
418 | let expected_res2 = |
419 | Common.filename_of_dbe (dir,"corrected_"^ base,expected_suffix) | |
34e49164 | 420 | in |
ae4735db | 421 | |
34e49164 C |
422 | match outopt, Common.lfile_exists expected_res with |
423 | | None, false -> () | |
ae4735db | 424 | | Some outfile, false -> |
34e49164 C |
425 | let s =("PB: input file " ^ infile ^ " modified but no .res") in |
426 | pr2 s | |
ae4735db C |
427 | | x, true -> |
428 | let outfile = | |
429 | match x with | |
430 | | Some outfile -> outfile | |
431 | | None -> infile | |
34e49164 C |
432 | in |
433 | let diff = Compare_c.compare_default outfile expected_res in | |
434 | let s1 = (Compare_c.compare_result_to_string diff) in | |
b1b2de81 | 435 | if fst diff =*= Compare_c.Correct |
34e49164 | 436 | then pr2_no_nl (infile ^ " " ^ s1) |
ae4735db | 437 | else |
34e49164 C |
438 | if Common.lfile_exists expected_res2 |
439 | then begin | |
440 | let diff = Compare_c.compare_default outfile expected_res2 in | |
441 | let s2 = Compare_c.compare_result_to_string diff in | |
b1b2de81 | 442 | if fst diff =*= Compare_c.Correct |
34e49164 C |
443 | then pr2 (infile ^ " is spatchOK " ^ s2) |
444 | else pr2 (infile ^ " is failed " ^ s2) | |
445 | end | |
446 | else pr2 (infile ^ " is failed " ^ s1) | |
447 | ) | |
448 | ||
449 | (*****************************************************************************) | |
450 | (* Subsystem testing *) | |
451 | (*****************************************************************************) | |
452 | ||
ae4735db C |
453 | let test_parse_cocci file = |
454 | if not (file =~ ".*\\.cocci") | |
34e49164 C |
455 | then pr2 "warning: seems not a .cocci file"; |
456 | ||
7f004419 | 457 | let (_,xs,_,_,_,_,grep_tokens,query) = |
34e49164 C |
458 | Parse_cocci.process file (Some !Config.std_iso) false in |
459 | xs +> List.iter Pretty_print_cocci.unparse; | |
460 | Printf.printf "grep tokens\n"; | |
461 | List.iter (function x -> Printf.printf "%s\n" (String.concat " " x)) | |
462 | grep_tokens; | |
951c7801 C |
463 | match !Flag.scanner with |
464 | Flag.NoScanner -> () | |
465 | | Flag.Glimpse | Flag.Google _ -> | |
466 | (match query with | |
467 | None -> pr "No query" | |
468 | | Some x -> pr (String.concat " || " x)) | |
34e49164 C |
469 | |
470 | ||
471 | ||
472 | (*****************************************************************************) | |
473 | (* to be called by ocaml toplevel, to test. *) | |
474 | (*****************************************************************************) | |
475 | ||
476 | (* no point to memoize this one *) | |
477 | let sp_of_file file iso = Parse_cocci.process file iso false | |
478 | ||
479 | (* TODO: Remove | |
34e49164 C |
480 | *) |
481 | ||
482 | (* | |
ae4735db | 483 | let flows_of_ast astc = |
34e49164 C |
484 | astc +> Common.map_filter (fun e -> ast_to_flow_with_error_messages e) |
485 | ||
ae4735db | 486 | let one_flow flows = |
34e49164 C |
487 | List.hd flows |
488 | ||
489 | let one_ctl ctls = List.hd (List.hd ctls) | |
490 | *) | |
491 |