mirror of git://gcc.gnu.org/git/gcc.git
299 lines
6.5 KiB
Perl
299 lines
6.5 KiB
Perl
#!/usr/bin/perl
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# -*- perl -*-
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# Copyright (C) 2001-2019 Free Software Foundation, Inc.
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#
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# This file is part of the libiberty library.
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# Libiberty is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# Libiberty is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with libiberty; see the file COPYING.LIB. If not,
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# write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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# Boston, MA 02110-1301, USA.
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#
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# Originally written by DJ Delorie <dj@redhat.com>
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# This is a trivial script which checks the lists of C and O files in
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# the Makefile for consistency.
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$mode = shift;
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$srcdir = ".";
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if ($mode eq "-s") {
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$srcdir = shift;
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$mode = shift;
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}
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&missing() if $mode eq "missing";
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&undoc() if $mode eq "undoc";
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&deps() if $mode eq "deps";
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exit 0;
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format STDOUT =
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
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$out
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
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$out
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.
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######################################################################
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sub missing {
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opendir(S, $srcdir);
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while ($f = readdir S) {
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$have{$f} = 1;
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}
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closedir(S);
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opendir(S, ".");
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while ($f = readdir S) {
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$have{$f} = 1;
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}
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closedir(S);
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for $a (@ARGV) {
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$listed{$a} = 1;
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$have{$a} = 0;
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}
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for $f (sort keys %have) {
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next unless $have{$f};
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if ($f =~ /\.c$/) {
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print "S $f\n";
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}
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}
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for $f (sort keys %listed) {
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if ($f =~ /(.*)\.c$/) {
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$base = $1;
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if (! $listed{"./$base.o"}) {
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print "O $f\n";
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}
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}
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}
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}
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######################################################################
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sub undoc {
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opendir(S, $srcdir);
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while ($file = readdir S) {
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if ($file =~ /\.texi$/) {
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open(T, "$srcdir/$file");
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while (<T>) {
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if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) {
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$documented{$1} = 1;
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}
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}
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close(T);
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}
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if ($file =~ /\.c$/) {
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open(C, "$srcdir/$file");
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while (<C>) {
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if (/\@undocumented (\S+)/) {
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$documented{$1} = 1;
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}
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if (/^static /) {
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if (! /[\(;]/) {
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s/[\r\n]+$/ /;
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$_ .= <C>;
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}
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while ($_ =~ /\([^\)]*$/) {
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s/[\r\n]+$/ /;
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$_ .= <C>;
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}
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}
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s/ VPARAMS([ \(])/$1/;
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s/PREFIX\(([^\)]*)\)/byte_$1/;
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if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) {
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$documented{$1} = 1;
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}
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}
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}
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}
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closedir(D);
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# $out = join(' ', sort keys %documented);
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# write;
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# print "\n";
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system "etags $srcdir/*.c $srcdir/../include/*.h";
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open(TAGS, "TAGS");
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while (<TAGS>) {
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s/[\r\n]+$//;
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if (/^\014$/) {
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$filename = <TAGS>;
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$filename =~ s/[\r\n]+$//;
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$filename =~ s/,\d+$//;
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$filename =~ s@.*[/\\]@@;
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next;
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}
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if ($filename =~ /\.c$/ ) {
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next unless /^[_a-zA-Z]/;
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} else {
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next unless /^\# *define/;
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s/\# *define *//;
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}
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s/ VPARAMS//;
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s/ *\177.*//;
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s/,$//;
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s/DEFUN\(//;
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s/\(//;
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next if /^static /;
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next if /\s/;
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next if /^_/;
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next if $documented{$_};
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next if /_H_?$/;
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if ($seen_in{$_} ne $filename) {
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$saw{$_} ++;
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}
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$seen_in{$_} = $filename;
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}
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for $k (keys %saw) {
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delete $saw{$k} if $saw{$k} > 1;
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}
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for $k (sort keys %saw) {
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$fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
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$fromfile{$seen_in{$k}} .= $k;
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}
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for $f (sort keys %fromfile) {
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$out = "$f: $fromfile{$f}";
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write;
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}
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}
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######################################################################
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sub deps_for {
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my($f) = @_;
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my(%d);
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open(F, $f);
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%d = ();
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while (<F>) {
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if (/^#\s*include\s+["<](.*)[">]/) {
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$d{$1} = 1;
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}
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}
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close(F);
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return keys %d;
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}
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sub canonicalize {
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my ($p) = @_;
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0 while $p =~ s@/\./@/@g;
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0 while $p =~ s@^\./@@g;
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0 while $p =~ s@/[^/]+/\.\./@/@g;
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return $p;
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}
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sub locals_first {
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my ($a,$b) = @_;
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return -1 if $a eq "config.h";
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return 1 if $b eq "config.h";
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return $a cmp $b;
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}
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sub deps {
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$crule = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n";
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$crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n";
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$crule .= "\telse true; fi\n";
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$crule .= "\tif [ x\"\$(NOASANFLAG)\" != x ]; then \\\n";
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$crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$(NOASANFLAG) \$< -o noasan/\$@; \\\n";
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$crule .= "\telse true; fi\n";
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$crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
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$crule .= "\n";
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$incdir = shift @ARGV;
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opendir(INC, $incdir);
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while ($f = readdir INC) {
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next unless $f =~ /\.h$/ || $f =~ /\.def$/;
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$mine{$f} = "\$(INCDIR)/$f";
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$deps{$f} = join(' ', &deps_for("$incdir/$f"));
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}
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$mine{'config.h'} = "config.h";
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opendir(INC, $srcdir);
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while ($f = readdir INC) {
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next unless $f =~ /\.h$/;
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$mine{$f} = "\$(srcdir)/$f";
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$deps{$f} = join(' ', &deps_for("$srcdir/$f"));
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}
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$mine{'config.h'} = "config.h";
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open(IN, "$srcdir/Makefile.in");
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open(OUT, ">$srcdir/Makefile.tmp");
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while (<IN>) {
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last if /remainder of this file/;
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print OUT;
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}
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print OUT "# The dependencies in the remainder of this file are automatically\n";
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print OUT "# generated by \"make maint-deps\". Manual edits will be lost.\n\n";
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opendir(S, $srcdir);
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for $f (sort readdir S) {
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if ($f =~ /\.c$/) {
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%scanned = ();
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@pending = &deps_for("$srcdir/$f");
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while (@pending) {
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@tmp = @pending;
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@pending = ();
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for $p (@tmp) {
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next unless $mine{$p};
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if (!$scanned{$p}) {
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push(@pending, split(' ', $deps{$p}));
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$scanned{$p} = 1;
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}
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}
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}
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@deps = sort { &locals_first($a,$b) } keys %scanned;
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$obj = $f;
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$obj =~ s/\.c$/.\$(objext)/;
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$obj = "./$obj:";
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if ($#deps >= 0) {
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print OUT "$obj \$(srcdir)/$f";
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$len = length("$obj $f");
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for $dt (@deps) {
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$d = $mine{$dt};
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if ($len + length($d) > 70) {
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printf OUT " \\\n\t$d";
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$len = 8 + length($d);
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} else {
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print OUT " $d";
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$len += length($d) + 1;
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}
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}
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print OUT "\n";
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} else {
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print OUT "$obj \$(srcdir)/$f\n";
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}
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$c = $crule;
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$c =~ s@\$\<@\$\(srcdir\)\/$f@g;
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print OUT $c;
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}
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}
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closedir(S);
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close(IN);
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close(OUT);
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rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in");
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}
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