gcc/
[official-gcc.git] / libiberty / maint-tool
blob1c94cdc79cdabf41dd3d56d8d43ff4f86b6580d2
1 #!/usr/bin/perl
2 # -*- perl -*-
4 # Copyright (C) 2001, 2007, 2010, 2014
5 # Free Software Foundation
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.
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.
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.
23 # Originally written by DJ Delorie <dj@redhat.com>
26 # This is a trivial script which checks the lists of C and O files in
27 # the Makefile for consistency.
29 $mode = shift;
30 $srcdir = ".";
32 if ($mode eq "-s") {
33 $srcdir = shift;
34 $mode = shift;
37 &missing() if $mode eq "missing";
38 &undoc() if $mode eq "undoc";
39 &deps() if $mode eq "deps";
41 exit 0;
43 format STDOUT =
44 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
45 $out
46 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
47 $out
50 ######################################################################
52 sub missing {
54 opendir(S, $srcdir);
55 while ($f = readdir S) {
56 $have{$f} = 1;
58 closedir(S);
59 opendir(S, ".");
60 while ($f = readdir S) {
61 $have{$f} = 1;
63 closedir(S);
65 for $a (@ARGV) {
66 $listed{$a} = 1;
67 $have{$a} = 0;
70 for $f (sort keys %have) {
71 next unless $have{$f};
72 if ($f =~ /\.c$/) {
73 print "S $f\n";
76 for $f (sort keys %listed) {
77 if ($f =~ /(.*)\.c$/) {
78 $base = $1;
79 if (! $listed{"./$base.o"}) {
80 print "O $f\n";
86 ######################################################################
88 sub undoc {
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{$1} = 1;
99 close(T);
101 if ($file =~ /\.c$/) {
102 open(C, "$srcdir/$file");
103 while (<C>) {
104 if (/\@undocumented (\S+)/) {
105 $documented{$1} = 1;
107 if (/^static /) {
108 if (! /[\(;]/) {
109 s/[\r\n]+$/ /;
110 $_ .= <C>;
112 while ($_ =~ /\([^\)]*$/) {
113 s/[\r\n]+$/ /;
114 $_ .= <C>;
117 s/ VPARAMS([ \(])/$1/;
118 s/PREFIX\(([^\)]*)\)/byte_$1/;
119 if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) {
120 $documented{$1} = 1;
125 closedir(D);
127 # $out = join(' ', sort keys %documented);
128 # write;
129 # print "\n";
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 $filename =~ s@.*[/\\]@@;
140 next;
142 if ($filename =~ /\.c$/ ) {
143 next unless /^[_a-zA-Z]/;
144 } else {
145 next unless /^\# *define/;
146 s/\# *define *//;
149 s/ VPARAMS//;
150 s/ *\177.*//;
151 s/,$//;
152 s/DEFUN\(//;
153 s/\(//;
155 next if /^static /;
156 next if /\s/;
157 next if /^_/;
158 next if $documented{$_};
159 next if /_H_?$/;
161 if ($seen_in{$_} ne $filename) {
162 $saw{$_} ++;
164 $seen_in{$_} = $filename;
167 for $k (keys %saw) {
168 delete $saw{$k} if $saw{$k} > 1;
171 for $k (sort keys %saw) {
172 $fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
173 $fromfile{$seen_in{$k}} .= $k;
176 for $f (sort keys %fromfile) {
177 $out = "$f: $fromfile{$f}";
178 write;
182 ######################################################################
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{$1} = 1;
194 close(F);
195 return keys %d;
198 sub canonicalize {
199 my ($p) = @_;
200 0 while $p =~ s@/\./@/@g;
201 0 while $p =~ s@^\./@@g;
202 0 while $p =~ s@/[^/]+/\.\./@/@g;
203 return $p;
206 sub locals_first {
207 my ($a,$b) = @_;
208 return -1 if $a eq "config.h";
209 return 1 if $b eq "config.h";
210 return $a cmp $b;
213 sub deps {
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 .= "\tif [ x\"\$(NOASANFLAG)\" != x ]; then \\\n";
219 $crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$(NOASANFLAG) \$< -o noasan/\$@; \\\n";
220 $crule .= "\telse true; fi\n";
221 $crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
222 $crule .= "\n";
224 $incdir = shift @ARGV;
226 opendir(INC, $incdir);
227 while ($f = readdir INC) {
228 next unless $f =~ /\.h$/ || $f =~ /\.def$/;
229 $mine{$f} = "\$(INCDIR)/$f";
230 $deps{$f} = join(' ', &deps_for("$incdir/$f"));
232 $mine{'config.h'} = "config.h";
234 opendir(INC, $srcdir);
235 while ($f = readdir INC) {
236 next unless $f =~ /\.h$/;
237 $mine{$f} = "\$(srcdir)/$f";
238 $deps{$f} = join(' ', &deps_for("$srcdir/$f"));
240 $mine{'config.h'} = "config.h";
242 open(IN, "$srcdir/Makefile.in");
243 open(OUT, ">$srcdir/Makefile.tmp");
244 while (<IN>) {
245 last if /remainder of this file/;
246 print OUT;
248 print OUT "# The dependencies in the remainder of this file are automatically\n";
249 print OUT "# generated by \"make maint-deps\". Manual edits will be lost.\n\n";
251 opendir(S, $srcdir);
252 for $f (sort readdir S) {
253 if ($f =~ /\.c$/) {
255 %scanned = ();
256 @pending = &deps_for("$srcdir/$f");
257 while (@pending) {
258 @tmp = @pending;
259 @pending = ();
260 for $p (@tmp) {
261 next unless $mine{$p};
262 if (!$scanned{$p}) {
263 push(@pending, split(' ', $deps{$p}));
264 $scanned{$p} = 1;
268 @deps = sort { &locals_first($a,$b) } keys %scanned;
269 $obj = $f;
270 $obj =~ s/\.c$/.\$(objext)/;
271 $obj = "./$obj:";
272 if ($#deps >= 0) {
273 print OUT "$obj \$(srcdir)/$f";
274 $len = length("$obj $f");
275 for $dt (@deps) {
276 $d = $mine{$dt};
277 if ($len + length($d) > 70) {
278 printf OUT " \\\n\t$d";
279 $len = 8 + length($d);
280 } else {
281 print OUT " $d";
282 $len += length($d) + 1;
285 print OUT "\n";
286 } else {
287 print OUT "$obj \$(srcdir)/$f\n";
289 $c = $crule;
290 $c =~ s@\$\<@\$\(srcdir\)\/$f@g;
291 print OUT $c;
294 closedir(S);
295 close(IN);
296 close(OUT);
298 rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in");