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comparison libiberty/maint-tool @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children f6334be47118
comparison
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-1:000000000000 0:a06113de4d67
1 #!/usr/bin/perl
2 # -*- perl -*-
3
4 # Copyright (C) 2001, 2007
5 # Free Software Foundation
6 #
7 # This file is part of the libiberty library.
8 # Libiberty is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU Library General Public
10 # License as published by the Free Software Foundation; either
11 # version 2 of the License, or (at your option) any later version.
12 #
13 # Libiberty is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # Library General Public License for more details.
17 #
18 # You should have received a copy of the GNU Library General Public
19 # License along with libiberty; see the file COPYING.LIB. If not,
20 # write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
21 # Boston, MA 02110-1301, USA.
22 #
23 # Originally written by DJ Delorie <dj@redhat.com>
24
25
26 # This is a trivial script which checks the lists of C and O files in
27 # the Makefile for consistency.
28
29 $mode = shift;
30 $srcdir = ".";
31
32 if ($mode eq "-s") {
33 $srcdir = shift;
34 $mode = shift;
35 }
36
37 &missing() if $mode eq "missing";
38 &undoc() if $mode eq "undoc";
39 &deps() if $mode eq "deps";
40
41 exit 0;
42
43 format STDOUT =
44 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
45 $out
46 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
47 $out
48 .
49
50 ######################################################################
51
52 sub missing {
53
54 opendir(S, $srcdir);
55 while ($f = readdir S) {
56 $have{$f} = 1;
57 }
58 closedir(S);
59 opendir(S, ".");
60 while ($f = readdir S) {
61 $have{$f} = 1;
62 }
63 closedir(S);
64
65 for $a (@ARGV) {
66 $listed{$a} = 1;
67 $have{$a} = 0;
68 }
69
70 for $f (sort keys %have) {
71 next unless $have{$f};
72 if ($f =~ /\.c$/) {
73 print "S $f\n";
74 }
75 }
76 for $f (sort keys %listed) {
77 if ($f =~ /(.*)\.c$/) {
78 $base = $1;
79 if (! $listed{"$base.o"}) {
80 print "O $f\n";
81 }
82 }
83 }
84 }
85
86 ######################################################################
87
88 sub undoc {
89
90 opendir(S, $srcdir);
91 while ($file = readdir S) {
92 if ($file =~ /\.texi$/) {
93 open(T, "$srcdir/$file");
94 while (<T>) {
95 if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) {
96 $documented{$1} = 1;
97 }
98 }
99 close(T);
100 }
101 if ($file =~ /\.c$/) {
102 open(C, "$srcdir/$file");
103 while (<C>) {
104 if (/\@undocumented (\S+)/) {
105 $documented{$1} = 1;
106 }
107 if (/^static /) {
108 if (! /[\(;]/) {
109 s/[\r\n]+$/ /;
110 $_ .= <C>;
111 }
112 while ($_ =~ /\([^\)]*$/) {
113 s/[\r\n]+$/ /;
114 $_ .= <C>;
115 }
116 }
117 s/ VPARAMS([ \(])/$1/;
118 s/PREFIX\(([^\)]*)\)/byte_$1/;
119 if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) {
120 $documented{$1} = 1;
121 }
122 }
123 }
124 }
125 closedir(D);
126
127 # $out = join(' ', sort keys %documented);
128 # write;
129 # print "\n";
130
131 system "etags $srcdir/*.c $srcdir/../include/*.h";
132 open(TAGS, "TAGS");
133 while (<TAGS>) {
134 s/[\r\n]+$//;
135 if (/^\014$/) {
136 $filename = <TAGS>;
137 $filename =~ s/[\r\n]+$//;
138 $filename =~ s/,\d+$//;
139 $filename =~ s@.*[/\\]@@;
140 next;
141 }
142 if ($filename =~ /\.c$/ ) {
143 next unless /^[_a-zA-Z]/;
144 } else {
145 next unless /^\# *define/;
146 s/\# *define *//;
147 }
148
149 s/ VPARAMS//;
150 s/ *\177.*//;
151 s/,$//;
152 s/DEFUN\(//;
153 s/\(//;
154
155 next if /^static /;
156 next if /\s/;
157 next if /^_/;
158 next if $documented{$_};
159 next if /_H_?$/;
160
161 if ($seen_in{$_} ne $filename) {
162 $saw{$_} ++;
163 }
164 $seen_in{$_} = $filename;
165 }
166
167 for $k (keys %saw) {
168 delete $saw{$k} if $saw{$k} > 1;
169 }
170
171 for $k (sort keys %saw) {
172 $fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
173 $fromfile{$seen_in{$k}} .= $k;
174 }
175
176 for $f (sort keys %fromfile) {
177 $out = "$f: $fromfile{$f}";
178 write;
179 }
180 }
181
182 ######################################################################
183
184 sub deps_for {
185 my($f) = @_;
186 my(%d);
187 open(F, $f);
188 %d = ();
189 while (<F>) {
190 if (/^#\s*include\s+["<](.*)[">]/) {
191 $d{$1} = 1;
192 }
193 }
194 close(F);
195 return keys %d;
196 }
197
198 sub canonicalize {
199 my ($p) = @_;
200 0 while $p =~ s@/\./@/@g;
201 0 while $p =~ s@^\./@@g;
202 0 while $p =~ s@/[^/]+/\.\./@/@g;
203 return $p;
204 }
205
206 sub locals_first {
207 my ($a,$b) = @_;
208 return -1 if $a eq "config.h";
209 return 1 if $b eq "config.h";
210 return $a cmp $b;
211 }
212
213 sub deps {
214
215 $crule = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n";
216 $crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n";
217 $crule .= "\telse true; fi\n";
218 $crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
219 $crule .= "\n";
220
221 $incdir = shift @ARGV;
222
223 opendir(INC, $incdir);
224 while ($f = readdir INC) {
225 next unless $f =~ /\.h$/;
226 $mine{$f} = "\$(INCDIR)/$f";
227 $deps{$f} = join(' ', &deps_for("$incdir/$f"));
228 }
229 $mine{'config.h'} = "config.h";
230
231 opendir(INC, $srcdir);
232 while ($f = readdir INC) {
233 next unless $f =~ /\.h$/;
234 $mine{$f} = "\$(srcdir)/$f";
235 $deps{$f} = join(' ', &deps_for("$srcdir/$f"));
236 }
237 $mine{'config.h'} = "config.h";
238
239 open(IN, "$srcdir/Makefile.in");
240 open(OUT, ">$srcdir/Makefile.tmp");
241 while (<IN>) {
242 last if /remainder of this file/;
243 print OUT;
244 }
245 print OUT "# The dependencies in the remainder of this file are automatically\n";
246 print OUT "# generated by \"make maint-deps\". Manual edits will be lost.\n\n";
247
248 opendir(S, $srcdir);
249 for $f (sort readdir S) {
250 if ($f =~ /\.c$/) {
251
252 %scanned = ();
253 @pending = &deps_for("$srcdir/$f");
254 while (@pending) {
255 @tmp = @pending;
256 @pending = ();
257 for $p (@tmp) {
258 next unless $mine{$p};
259 if (!$scanned{$p}) {
260 push(@pending, split(' ', $deps{$p}));
261 $scanned{$p} = 1;
262 }
263 }
264 }
265 @deps = sort { &locals_first($a,$b) } keys %scanned;
266 $obj = $f;
267 $obj =~ s/\.c$/.o/;
268 $obj = "./$obj:";
269 if ($#deps >= 0) {
270 print OUT "$obj \$(srcdir)/$f";
271 $len = length("$obj $f");
272 for $dt (@deps) {
273 $d = $mine{$dt};
274 if ($len + length($d) > 70) {
275 printf OUT " \\\n\t$d";
276 $len = 8 + length($d);
277 } else {
278 print OUT " $d";
279 $len += length($d) + 1;
280 }
281 }
282 print OUT "\n";
283 } else {
284 print OUT "$obj \$(srcdir)/$f\n";
285 }
286 $c = $crule;
287 $c =~ s@\$\<@\$\(srcdir\)\/$f@g;
288 print OUT $c;
289 }
290 }
291 closedir(S);
292 close(IN);
293 close(OUT);
294
295 rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in");
296 }