[thirdparty/gcc.git] / libiberty / maint-tool

#!/usr/bin/perl
# -*- perl -*-

#   Copyright (C) 2001-2024 Free Software Foundation, Inc.
#
# 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 .= "\tif [ x\"\$(NOASANFLAG)\" != x ]; then \\\n";
    $crule .= "\t  \$(COMPILE.c) \$(PICFLAG) \$(NOASANFLAG) \$< -o noasan/\$@; \\\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 $f =~ /\.h$/ || $f =~ /\.def$/;
	$mine{$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");
}
Commit	Line	Data
aaa5f039 DD	1	#!/usr/bin/perl
	2	# -- perl --
	3
a945c346	4	# Copyright (C) 2001-2024 Free Software Foundation, Inc.
aaa5f039 DD	5	#
	6	# This file is part of the libiberty library.
	7	# Libiberty is free software; you can redistribute it and/or
	8	# modify it under the terms of the GNU Library General Public
	9	# License as published by the Free Software Foundation; either
	10	# version 2 of the License, or (at your option) any later version.
	11	#
	12	# Libiberty is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	# Library General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU Library General Public
	18	# License along with libiberty; see the file COPYING.LIB. If not,
ee58dffd NC	19	# write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
ee58dffd NC	20	# Boston, MA 02110-1301, USA.
aaa5f039 DD	21	#
	22	# Originally written by DJ Delorie <dj@redhat.com>
	23
	24
	25	# This is a trivial script which checks the lists of C and O files in
	26	# the Makefile for consistency.
	27
	28	$mode = shift;
	29	$srcdir = ".";
	30
	31	if ($mode eq "-s") {
	32	$srcdir = shift;
	33	$mode = shift;
	34	}
	35
	36	&missing() if $mode eq "missing";
aac04c15	37	&undoc() if $mode eq "undoc";
9ce3f7e5	38	&deps() if $mode eq "deps";
aaa5f039 DD	39
	40	exit 0;
	41
aac04c15 DD	42	format STDOUT =
	43	^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
	44	$out
	45	^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
	46	$out
	47	.
	48
aaa5f039 DD	49	######################################################################
	50
	51	sub missing {
	52
	53	opendir(S, $srcdir);
	54	while ($f = readdir S) {
	55	$have{$f} = 1;
	56	}
	57	closedir(S);
	58	opendir(S, ".");
	59	while ($f = readdir S) {
	60	$have{$f} = 1;
	61	}
	62	closedir(S);
	63
	64	for $a (@ARGV) {
	65	$listed{$a} = 1;
	66	$have{$a} = 0;
	67	}
	68
	69	for $f (sort keys %have) {
	70	next unless $have{$f};
	71	if ($f =~ /\.c$/) {
	72	print "S $f\n";
	73	}
	74	}
	75	for $f (sort keys %listed) {
	76	if ($f =~ /(.*)\.c$/) {
	77	$base = $1;
16f60fcb	78	if (! $listed{"./$base.o"}) {
aaa5f039 DD	79	print "O $f\n";
	80	}
	81	}
	82	}
	83	}
aac04c15 DD	84
	85	######################################################################
	86
	87	sub undoc {
	88
	89	opendir(S, $srcdir);
	90	while ($file = readdir S) {
	91	if ($file =~ /\.texi$/) {
	92	open(T, "$srcdir/$file");
	93	while (<T>) {
	94	if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) {
	95	$documented{$1} = 1;
	96	}
	97	}
	98	close(T);
	99	}
	100	if ($file =~ /\.c$/) {
	101	open(C, "$srcdir/$file");
	102	while (<C>) {
	103	if (/\@undocumented (\S+)/) {
	104	$documented{$1} = 1;
	105	}
	106	if (/^static /) {
	107	if (! /[\(;]/) {
	108	s/[\r\n]+$/ /;
	109	$_ .= <C>;
	110	}
	111	while ($_ =~ /\([^\)]*$/) {
	112	s/[\r\n]+$/ /;
	113	$_ .= <C>;
	114	}
	115	}
	116	s/ VPARAMS([ \(])/$1/;
	117	s/PREFIX\(([^\)]*)\)/byte_$1/;
	118	if (/^static [^\(]* ([^\s\(]+) \(.\)$/) {
	119	$documented{$1} = 1;
	120	}
	121	}
	122	}
	123	}
	124	closedir(D);
	125
	126	# $out = join(' ', sort keys %documented);
	127	# write;
	128	# print "\n";
	129
	130	system "etags $srcdir/.c $srcdir/../include/.h";
	131	open(TAGS, "TAGS");
	132	while (<TAGS>) {
	133	s/[\r\n]+$//;
	134	if (/^\014$/) {
	135	$filename = <TAGS>;
	136	$filename =~ s/[\r\n]+$//;
	137	$filename =~ s/,\d+$//;
	138	$filename =~ s@.*[/\\]@@;
	139	next;
	140	}
	141	if ($filename =~ /\.c$/ ) {
	142	next unless /^[_a-zA-Z]/;
	143	} else {
	144	next unless /^\# *define/;
	145	s/\# define //;
	146	}
aac04c15 DD	147
	148	s/ VPARAMS//;
	149	s/ \177.//;
	150	s/,$//;
	151	s/DEFUN\(//;
	152	s/\(//;
	153
	154	next if /^static /;
	155	next if /\s/;
	156	next if /^_/;
	157	next if $documented{$_};
	158	next if /_H_?$/;
	159
	160	if ($seen_in{$_} ne $filename) {
	161	$saw{$_} ++;
	162	}
	163	$seen_in{$_} = $filename;
	164	}
	165
	166	for $k (keys %saw) {
	167	delete $saw{$k} if $saw{$k} > 1;
	168	}
	169
	170	for $k (sort keys %saw) {
	171	$fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
	172	$fromfile{$seen_in{$k}} .= $k;
	173	}
	174
	175	for $f (sort keys %fromfile) {
	176	$out = "$f: $fromfile{$f}";
	177	write;
	178	}
	179	}
9ce3f7e5 DD	180
	181	######################################################################
	182
	183	sub deps_for {
	184	my($f) = @_;
	185	my(%d);
	186	open(F, $f);
	187	%d = ();
	188	while (<F>) {
	189	if (/^#\sinclude\s+["<](.)[">]/) {
	190	$d{$1} = 1;
	191	}
	192	}
	193	close(F);
	194	return keys %d;
	195	}
	196
	197	sub canonicalize {
	198	my ($p) = @_;
	199	0 while $p =~ s@/\./@/@g;
	200	0 while $p =~ s@^\./@@g;
	201	0 while $p =~ s@/[^/]+/\.\./@/@g;
	202	return $p;
	203	}
	204
	205	sub locals_first {
	206	my ($a,$b) = @_;
	207	return -1 if $a eq "config.h";
	208	return 1 if $b eq "config.h";
	209	return $a cmp $b;
	210	}
	211
	212	sub deps {
	213
24f2cabb L	214	$crule = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n";
	215	$crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n";
	216	$crule .= "\telse true; fi\n";
4f148bbc JJ	217	$crule .= "\tif [ x\"\$(NOASANFLAG)\" != x ]; then \\\n";
	218	$crule .= "\t \$(COMPILE.c) \$(PICFLAG) \$(NOASANFLAG) \$< -o noasan/\$@; \\\n";
	219	$crule .= "\telse true; fi\n";
24f2cabb	220	$crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
398b3deb DD	221	$crule .= "\n";
398b3deb DD	222
9ce3f7e5 DD	223	$incdir = shift @ARGV;
	224
	225	opendir(INC, $incdir);
	226	while ($f = readdir INC) {
9a9baa52	227	next unless $f =~ /\.h$/ \|\| $f =~ /\.def$/;
9ce3f7e5 DD	228	$mine{$f} = "\$(INCDIR)/$f";
	229	$deps{$f} = join(' ', &deps_for("$incdir/$f"));
	230	}
f59a2f55	231	$mine{'config.h'} = "config.h";
9ce3f7e5	232
98475c57 DD	233	opendir(INC, $srcdir);
	234	while ($f = readdir INC) {
	235	next unless $f =~ /\.h$/;
	236	$mine{$f} = "\$(srcdir)/$f";
	237	$deps{$f} = join(' ', &deps_for("$srcdir/$f"));
	238	}
f59a2f55	239	$mine{'config.h'} = "config.h";
98475c57	240
9ce3f7e5 DD	241	open(IN, "$srcdir/Makefile.in");
	242	open(OUT, ">$srcdir/Makefile.tmp");
	243	while (<IN>) {
	244	last if /remainder of this file/;
	245	print OUT;
	246	}
	247	print OUT "# The dependencies in the remainder of this file are automatically\n";
	248	print OUT "# generated by \"make maint-deps\". Manual edits will be lost.\n\n";
	249
	250	opendir(S, $srcdir);
	251	for $f (sort readdir S) {
	252	if ($f =~ /\.c$/) {
	253
	254	%scanned = ();
	255	@pending = &deps_for("$srcdir/$f");
	256	while (@pending) {
	257	@tmp = @pending;
	258	@pending = ();
	259	for $p (@tmp) {
	260	next unless $mine{$p};
	261	if (!$scanned{$p}) {
	262	push(@pending, split(' ', $deps{$p}));
	263	$scanned{$p} = 1;
	264	}
	265	}
	266	}
	267	@deps = sort { &locals_first($a,$b) } keys %scanned;
	268	$obj = $f;
16f60fcb	269	$obj =~ s/\.c$/.\$(objext)/;
398b3deb	270	$obj = "./$obj:";
9ce3f7e5	271	if ($#deps >= 0) {
398b3deb DD	272	print OUT "$obj \$(srcdir)/$f";
398b3deb DD	273	$len = length("$obj $f");
9ce3f7e5 DD	274	for $dt (@deps) {
	275	$d = $mine{$dt};
	276	if ($len + length($d) > 70) {
	277	printf OUT " \\\n\t$d";
	278	$len = 8 + length($d);
	279	} else {
	280	print OUT " $d";
	281	$len += length($d) + 1;
	282	}
	283	}
	284	print OUT "\n";
398b3deb DD	285	} else {
398b3deb DD	286	print OUT "$obj \$(srcdir)/$f\n";
9ce3f7e5	287	}
398b3deb DD	288	$c = $crule;
	289	$c =~ s@\$\<@\$\(srcdir\)\/$f@g;
	290	print OUT $c;
9ce3f7e5 DD	291	}
	292	}
	293	closedir(S);
	294	close(IN);
	295	close(OUT);
	296
	297	rename("$srcdir/Makefile.tmp", "$srcdir/Makefile.in");
	298	}