| 1 | #!/usr/bin/perl |
| 2 | # -*- perl -*- |
| 3 | |
| 4 | # Copyright (C) 2001, 2007, 2010, 2014 |
| 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 .= "\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"; |
| 223 | |
| 224 | $incdir = shift @ARGV; |
| 225 | |
| 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")); |
| 231 | } |
| 232 | $mine{'config.h'} = "config.h"; |
| 233 | |
| 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")); |
| 239 | } |
| 240 | $mine{'config.h'} = "config.h"; |
| 241 | |
| 242 | open(IN, "$srcdir/Makefile.in"); |
| 243 | open(OUT, ">$srcdir/Makefile.tmp"); |
| 244 | while (<IN>) { |
| 245 | last if /remainder of this file/; |
| 246 | print OUT; |
| 247 | } |
| 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"; |
| 250 | |
| 251 | opendir(S, $srcdir); |
| 252 | for $f (sort readdir S) { |
| 253 | if ($f =~ /\.c$/) { |
| 254 | |
| 255 | %scanned = (); |
| 256 | @pending = &deps_for("$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; |
| 265 | } |
| 266 | } |
| 267 | } |
| 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; |
| 283 | } |
| 284 | } |
| 285 | print OUT "\n"; |
| 286 | } else { |
| 287 | print OUT "$obj \$(srcdir)/$f\n"; |
| 288 | } |
| 289 | $c = $crule; |
| 290 | $c =~ s@\$\<@\$\(srcdir\)\/$f@g; |
| 291 | print OUT $c; |
| 292 | } |
| 293 | } |
| 294 | closedir(S); |
| 295 | close(IN); |
| 296 | close(OUT); |
| 297 | |
| 298 | rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in"); |
| 299 | } |