mirror of
https://github.com/netwide-assembler/nasm.git
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138 lines
4.1 KiB
Perl
Executable File
138 lines
4.1 KiB
Perl
Executable File
#!/usr/bin/perl
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## --------------------------------------------------------------------------
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##
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## Copyright 1996-2009 The NASM Authors - All Rights Reserved
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## See the file AUTHORS included with the NASM distribution for
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## the specific copyright holders.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following
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## conditions are met:
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##
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above
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## copyright notice, this list of conditions and the following
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## disclaimer in the documentation and/or other materials provided
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## with the distribution.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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## CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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## EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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##
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## --------------------------------------------------------------------------
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#
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# Sync the output file list between Makefiles
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# Use the mkdep.pl parameters to get the filename syntax
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#
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# The first file is the source file; the other ones target.
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#
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%def_hints = ('object-ending' => '.o',
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'path-separator' => '/',
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'continuation' => "\\");
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sub do_transform($$) {
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my($l, $h) = @_;
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my($ps) = $$h{'path-separator'};
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$l =~ s/\x01/$$h{'object-ending'}/g;
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$l =~ s/\x03/$$h{'continuation'}/g;
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if ($ps eq '') {
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# Remove the path separator and the preceding directory
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$l =~ s/[^\s\=]*\x02//g;
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} else {
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# Convert the path separator
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$l =~ s/\x02/$ps/g;
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}
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return $l;
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}
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undef %line_lists;
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$first = 1;
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$first_file = $ARGV[0];
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die unless (defined($first_file));
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foreach $file (@ARGV) {
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open(FILE, '<', $file) or die;
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# First, read the syntax hints
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%hints = %def_hints;
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while (defined($line = <FILE>)) {
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if ( $line =~ /^\s*\#\s*@([a-z0-9-]+):\s*\"([^\"]*)\"/ ) {
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$hints{$1} = $2;
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}
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}
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# Read and process the file
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seek(FILE,0,0);
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@lines = ();
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undef $processing;
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while (defined($line = <FILE>)) {
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chomp $line;
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if (defined($processing)) {
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if ($line =~ /^\#-- End ([^-\#]*[^-#\s]) --\#$/) {
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if ($1 ne $processing) {
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die "$0: $file: Mismatched Begin and End lines (\"$processing\" -> \"$1\"\n";
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}
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push(@lines, $line."\n");
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undef $processing;
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} elsif ($first) {
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my $xl = $line;
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my $oe = "\Q$hints{'object-ending'}";
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my $ps = "\Q$hints{'path-separator'}";
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my $cn = "\Q$hints{'continuation'}";
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$xl =~ s/${oe}(\s|$)/\x01$1/g;
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$xl =~ s/${ps}/\x02/g;
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$xl =~ s/${cn}$/\x03/;
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push(@{$line_lists{$processing}}, $xl);
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push(@lines, $line);
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}
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} else {
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push(@lines, $line."\n");
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if ($line =~ '#-- Begin ([^-\#]*[^-#\s]) --#') {
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$processing = $1;
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if ($first) {
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if (defined($line_lists{$processing})) {
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die "$0: $file: Repeated Begin block: $processing\n";
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}
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$line_lists{$processing} = [];
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} elsif (!$first) {
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if (!defined($line_lists{$processing})) {
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die "$0: $file: Begin block without template\n";
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}
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push(@lines, "# Edit in $first_file, not here!\n");
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foreach $l (@{$line_lists{$processing}}) {
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push(@lines, do_transform($l, \%hints)."\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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close(FILE);
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# Write the file back out
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if (!$first) {
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open(FILE, '>', $file) or die;
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print FILE @lines;
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close(FILE);
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}
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undef @lines;
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$first = 0;
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}
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