2 * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
3 * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
4 * This file is part of Coccinelle.
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.
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.
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/>.
18 * The authors reserve the right to distribute this or future versions of
19 * Coccinelle under other licenses.
24 * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
25 * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
26 * This file is part of Coccinelle.
28 * Coccinelle is free software: you can redistribute it and/or modify
29 * it under the terms of the GNU General Public License as published by
30 * the Free Software Foundation, according to version 2 of the License.
32 * Coccinelle is distributed in the hope that it will be useful,
33 * but WITHOUT ANY WARRANTY; without even the implied warranty of
34 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
35 * GNU General Public License for more details.
37 * You should have received a copy of the GNU General Public License
38 * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
40 * The authors reserve the right to distribute this or future versions of
41 * Coccinelle under other licenses.
45 (* adjust as convenient *)
49 (* The -grouped option means that all - and + code must appear in a
50 single contiguous block of - + code. This option has no effect on the
51 other kinds of patterns, ie Changelog (C) or Context (@) *)
53 (* example: gitgrep -grouped -maxlen 25 - "[A-Z][A-Z]+" + "[A-Z][A-Z]+"
56 type dir
= Minus
| Plus
| Context
| ChangeLog
58 type res
= Git
of string | Block
of int * string
60 let grouped = ref false
63 let space = Str.regexp
" "
65 let matches pattern line
=
66 try let _ = Str.search_forward pattern line
0 in true
67 with Not_found
-> false
71 let scan dir pattern i
=
72 let rec loop skipping cl git
=
73 let line = input_line i
in
74 match Str.split
space line with
75 ["commit";git
] -> loop false true git
76 | "diff"::_ -> loop skipping
false git
78 if String.length
line > 0 && not skipping
&&
79 ((String.get
line 0 = '
-'
&& dir
= Minus
) or
80 (String.get
line 0 = '
+'
&& dir
= Plus
) or
81 (cl
&& dir
= ChangeLog
) or
82 (not
(String.get
line 0 = '
-'
) && not
(String.get
line 0 = '
+'
) &&
85 then (res := Git
(git
)::!res; loop true cl git
)
86 else loop skipping cl git
in
89 (* for Minus and Plus directions only *)
90 let scan_grouped dir pattern i
=
92 (* mp = true in minus-plus region *)
94 let line = input_line i
in
95 match Str.split
space line with
96 ["commit";git
] -> loop false git
97 | "diff"::_ -> loop false git
99 if String.length
line > 0
101 let first_char = String.get
line 0 in
103 match first_char with
104 '
-'
| '
+'
-> (if not mp
then block := !block + 1; true)
106 match (first_char,dir
) with
107 ('
-'
,Minus
) | ('
+'
,Plus
) ->
108 let info = Block
(!block,git
) in
109 (if matches pattern
line && not
(List.mem
info !res)
110 then res := info::!res);
112 | _ -> loop new_mp git
116 let scan_line max i
=
117 let rec loop skipping num git
=
118 let line = input_line i
in
119 match Str.split
space line with
123 if num
> max
&& not skipping
124 then (res:=Git
(git
)::!res;loop true (num
+1) git
)
125 else loop skipping
(if num
= (-1) then 1 else num
+1) git
127 if num
> max
&& not skipping
128 then (res:=Git
(git
)::!res;loop true (num
+1) git
)
129 else loop skipping
(if num
= (-1) then num
else num
+1) git
in
132 let dot = Str.regexp
"\\."
135 let tmp = prefix^file
in
136 if Sys.file_exists
tmp
139 match List.rev
(Str.split
dot file
) with
141 let last_int = int_of_string last
in
145 "can't go back one version from 0; make the log file by hand";
147 String.concat
"." (List.rev
((string_of_int
(last_int-1))::rest
)) in
150 (Printf.sprintf
"git log -p v%s..v%s > %s" prev file
tmp) in
154 let rec split_args = function
156 | "-grouped"::rest
-> grouped := true; split_args rest
157 | "-maxlen"::len
::rest
-> maxlen := Some
(int_of_string len
); split_args rest
158 | "-"::pattern
::rest
-> (Minus
,Str.regexp pattern
) :: split_args rest
159 | "+"::pattern
::rest
-> (Plus
,Str.regexp pattern
) :: split_args rest
160 | "@"::pattern
::rest
-> (Context
,Str.regexp pattern
) :: split_args rest
161 | "C"::pattern
::rest
-> (ChangeLog
,Str.regexp pattern
) :: split_args rest
162 | _ -> failwith
"bad argument list"
164 let process_one (dir
,pattern
) version
=
166 let i = open_git version
in
168 if !grouped && (dir
= Minus
or dir
= Plus
)
169 then scan_grouped dir pattern
i
170 else scan dir pattern
i
171 with End_of_file
-> (close_in
i; List.rev
!res)
173 let process_len max version
=
175 let i = open_git version
in
177 with End_of_file
-> (close_in
i; List.rev
!res)
185 let rec loop = function
187 | Git
(git1
)::rest
when git
= git1
-> x
::prev
188 | Block
(b1
,git1
)::rest
when git
= git1
-> Block
(b1
,git1
)::prev
189 | _::rest
-> loop rest
in
191 | (Block
(block,git
)) as x
->
192 let rec loop = function
194 | Git
(git1
)::rest
when git
= git1
-> x
::prev
195 | Block
(b1
,git1
)::rest
when block = b1
&& git
= git1
->
197 | _::rest
-> loop rest
in
202 if Array.length
Sys.argv
< 4
203 then failwith
"arguments: -/+/@/C pattern -/+/@/C pattern ... version";
204 let args = List.tl
(Array.to_list
Sys.argv
) in
205 let version = List.hd
(List.rev
args) in
206 let pairs = List.rev
(List.tl
(List.rev
args)) in
207 let requirements = split_args pairs in
209 List.map
(function Git x
-> x
| Block
(_,x
) -> x
)
213 inter (process_one pattern
version) all
)
214 (process_one (List.hd
requirements) version)
215 (List.tl
requirements)) in
222 function x
-> if List.mem x
prev then prev else x
::prev)
229 let badgits = process_len max
version in
230 List.filter
(function x
-> not
(List.mem
(Git
(x
)) badgits)) res in
231 List.iter
(function name
-> Printf.printf
"%s\n" name
) res