diff options
Diffstat (limited to 'libiberty/maint-tool')
-rw-r--r-- | libiberty/maint-tool | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/libiberty/maint-tool b/libiberty/maint-tool new file mode 100644 index 000000000..36b92034f --- /dev/null +++ b/libiberty/maint-tool @@ -0,0 +1,296 @@ +#!/usr/bin/perl +# -*- perl -*- + +# Copyright (C) 2001, 2007, 2010 +# Free Software Foundation +# +# This file is part of the libiberty library. +# Libiberty is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# Libiberty is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. +# +# You should have received a copy of the GNU Library General Public +# License along with libiberty; see the file COPYING.LIB. If not, +# write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, +# Boston, MA 02110-1301, USA. +# +# Originally written by DJ Delorie <dj@redhat.com> + + +# This is a trivial script which checks the lists of C and O files in +# the Makefile for consistency. + +$mode = shift; +$srcdir = "."; + +if ($mode eq "-s") { + $srcdir = shift; + $mode = shift; +} + +&missing() if $mode eq "missing"; +&undoc() if $mode eq "undoc"; +&deps() if $mode eq "deps"; + +exit 0; + +format STDOUT = +^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~ +$out + ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~ +$out +. + +###################################################################### + +sub missing { + + opendir(S, $srcdir); + while ($f = readdir S) { + $have{$f} = 1; + } + closedir(S); + opendir(S, "."); + while ($f = readdir S) { + $have{$f} = 1; + } + closedir(S); + + for $a (@ARGV) { + $listed{$a} = 1; + $have{$a} = 0; + } + + for $f (sort keys %have) { + next unless $have{$f}; + if ($f =~ /\.c$/) { + print "S $f\n"; + } + } + for $f (sort keys %listed) { + if ($f =~ /(.*)\.c$/) { + $base = $1; + if (! $listed{"./$base.o"}) { + print "O $f\n"; + } + } + } +} + +###################################################################### + +sub undoc { + + opendir(S, $srcdir); + while ($file = readdir S) { + if ($file =~ /\.texi$/) { + open(T, "$srcdir/$file"); + while (<T>) { + if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) { + $documented{$1} = 1; + } + } + close(T); + } + if ($file =~ /\.c$/) { + open(C, "$srcdir/$file"); + while (<C>) { + if (/\@undocumented (\S+)/) { + $documented{$1} = 1; + } + if (/^static /) { + if (! /[\(;]/) { + s/[\r\n]+$/ /; + $_ .= <C>; + } + while ($_ =~ /\([^\)]*$/) { + s/[\r\n]+$/ /; + $_ .= <C>; + } + } + s/ VPARAMS([ \(])/$1/; + s/PREFIX\(([^\)]*)\)/byte_$1/; + if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) { + $documented{$1} = 1; + } + } + } + } + closedir(D); + + # $out = join(' ', sort keys %documented); + # write; + # print "\n"; + + system "etags $srcdir/*.c $srcdir/../include/*.h"; + open(TAGS, "TAGS"); + while (<TAGS>) { + s/[\r\n]+$//; + if (/^\014$/) { + $filename = <TAGS>; + $filename =~ s/[\r\n]+$//; + $filename =~ s/,\d+$//; + $filename =~ s@.*[/\\]@@; + next; + } + if ($filename =~ /\.c$/ ) { + next unless /^[_a-zA-Z]/; + } else { + next unless /^\# *define/; + s/\# *define *//; + } + + s/ VPARAMS//; + s/ *\177.*//; + s/,$//; + s/DEFUN\(//; + s/\(//; + + next if /^static /; + next if /\s/; + next if /^_/; + next if $documented{$_}; + next if /_H_?$/; + + if ($seen_in{$_} ne $filename) { + $saw{$_} ++; + } + $seen_in{$_} = $filename; + } + + for $k (keys %saw) { + delete $saw{$k} if $saw{$k} > 1; + } + + for $k (sort keys %saw) { + $fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}}; + $fromfile{$seen_in{$k}} .= $k; + } + + for $f (sort keys %fromfile) { + $out = "$f: $fromfile{$f}"; + write; + } +} + +###################################################################### + +sub deps_for { + my($f) = @_; + my(%d); + open(F, $f); + %d = (); + while (<F>) { + if (/^#\s*include\s+["<](.*)[">]/) { + $d{$1} = 1; + } + } + close(F); + return keys %d; +} + +sub canonicalize { + my ($p) = @_; + 0 while $p =~ s@/\./@/@g; + 0 while $p =~ s@^\./@@g; + 0 while $p =~ s@/[^/]+/\.\./@/@g; + return $p; +} + +sub locals_first { + my ($a,$b) = @_; + return -1 if $a eq "config.h"; + return 1 if $b eq "config.h"; + return $a cmp $b; +} + +sub deps { + + $crule = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n"; + $crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n"; + $crule .= "\telse true; fi\n"; + $crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n"; + $crule .= "\n"; + + $incdir = shift @ARGV; + + opendir(INC, $incdir); + while ($f = readdir INC) { + next unless $f =~ /\.h$/; + $mine{$f} = "\$(INCDIR)/$f"; + $deps{$f} = join(' ', &deps_for("$incdir/$f")); + } + $mine{'config.h'} = "config.h"; + + opendir(INC, $srcdir); + while ($f = readdir INC) { + next unless $f =~ /\.h$/; + $mine{$f} = "\$(srcdir)/$f"; + $deps{$f} = join(' ', &deps_for("$srcdir/$f")); + } + $mine{'config.h'} = "config.h"; + + open(IN, "$srcdir/Makefile.in"); + open(OUT, ">$srcdir/Makefile.tmp"); + while (<IN>) { + last if /remainder of this file/; + print OUT; + } + print OUT "# The dependencies in the remainder of this file are automatically\n"; + print OUT "# generated by \"make maint-deps\". Manual edits will be lost.\n\n"; + + opendir(S, $srcdir); + for $f (sort readdir S) { + if ($f =~ /\.c$/) { + + %scanned = (); + @pending = &deps_for("$srcdir/$f"); + while (@pending) { + @tmp = @pending; + @pending = (); + for $p (@tmp) { + next unless $mine{$p}; + if (!$scanned{$p}) { + push(@pending, split(' ', $deps{$p})); + $scanned{$p} = 1; + } + } + } + @deps = sort { &locals_first($a,$b) } keys %scanned; + $obj = $f; + $obj =~ s/\.c$/.\$(objext)/; + $obj = "./$obj:"; + if ($#deps >= 0) { + print OUT "$obj \$(srcdir)/$f"; + $len = length("$obj $f"); + for $dt (@deps) { + $d = $mine{$dt}; + if ($len + length($d) > 70) { + printf OUT " \\\n\t$d"; + $len = 8 + length($d); + } else { + print OUT " $d"; + $len += length($d) + 1; + } + } + print OUT "\n"; + } else { + print OUT "$obj \$(srcdir)/$f\n"; + } + $c = $crule; + $c =~ s@\$\<@\$\(srcdir\)\/$f@g; + print OUT $c; + } + } + closedir(S); + close(IN); + close(OUT); + + rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in"); +} |