mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-12-15 09:09:58 +08:00
d235408c65
Enough users expect the namespace starting with underscore to be safe for symbols. Change our private namespace from __foo__ to __?foo?__. Use %defalias to provide backwards compatiblity (by using %defalias instead of %define, we handle the case properly where the user changes the value.) Add a preprocessor directive: %aliases off ... to disable all smacro aliases and thereby making the namespace clean. Finally, fix infinite recursion when seeing %? or %?? due to paste_tokens(). If we don't paste anything, the expansion is done. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
194 lines
6.0 KiB
Raku
Executable File
194 lines
6.0 KiB
Raku
Executable File
#!/usr/bin/perl
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## --------------------------------------------------------------------------
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##
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## Copyright 1996-2016 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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# version.pl
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#
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# Parse the NASM version file and produce appropriate macros
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#
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# The NASM version number is assumed to consist of:
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#
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# <major>.<minor>[.<subminor>][pl<patchlevel>]]<tail>
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#
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# ... where <tail> is not necessarily numeric, but if it is of the form
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# -<digits> it is assumed to be a snapshot release.
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#
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# This defines the following macros:
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#
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# version.h:
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# NASM_MAJOR_VER
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# NASM_MINOR_VER
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# NASM_SUBMINOR_VER -- this is zero if no subminor
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# NASM_PATCHLEVEL_VER -- this is zero is no patchlevel
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# NASM_SNAPSHOT -- if snapshot
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# NASM_VERSION_ID -- version number encoded
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# NASM_VER -- whole version number as a string
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#
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# version.mac:
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# __?NASM_MAJOR?__
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# __?NASM_MINOR?__
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# __?NASM_SUBMINOR?__
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# __?NASM_PATCHLEVEL?__
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# __?NASM_SNAPSHOT?__
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# __?NASM_VERSION_ID?__
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# __?NASM_VER?__
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#
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($what) = @ARGV;
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$line = <STDIN>;
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chomp $line;
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undef $maj;
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undef $min;
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undef $smin;
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undef $plvl;
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undef $tail;
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$is_rc = 0;
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if ( $line =~ /^([0-9]+)\.([0-9]+)(.*)$/ ) {
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$maj = $1;
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$min = $2;
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$tail = $3;
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if ( $tail =~ /^\.([0-9]+)(.*)$/ ) {
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$smin = $1;
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$tail = $2;
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}
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if ( $tail =~ /^(pl|\.)([0-9]+)(.*)$/ ) {
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$plvl = $2;
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$tail = $3;
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} elsif ( $tail =~ /^rc([0-9]+)(.*)$/ ) {
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$is_rc = 1;
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$plvl = $1;
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$tail = $2;
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}
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} else {
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die "$0: Invalid input format\n";
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}
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if ($tail =~ /^\-([0-9]+)$/) {
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$snapshot = $1;
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} else {
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undef $snapshot;
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}
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$nmaj = $maj+0; $nmin = $min+0;
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$nsmin = $smin+0; $nplvl = $plvl+0;
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if ($is_rc) {
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$nplvl += 90;
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if ($nsmin > 0) {
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$nsmin--;
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} else {
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$nsmin = 99;
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if ($nmin > 0) {
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$nmin--;
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} else {
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$nmin = 99;
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$nmaj--;
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}
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}
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}
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$nasm_id = ($nmaj << 24)+($nmin << 16)+($nsmin << 8)+$nplvl;
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$mangled_ver = sprintf("%d.%02d", $nmaj, $nmin);
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if ($nsmin || $nplvl || defined($snapshot)) {
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$mangled_ver .= sprintf(".%02d", $nsmin);
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if ($nplvl || defined($snapshot)) {
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$mangled_ver .= '.'.$nplvl;
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}
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}
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($mtail = $tail) =~ tr/-/./;
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$mangled_ver .= $mtail;
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if ( $what eq 'h' ) {
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print "#ifndef NASM_VERSION_H\n";
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print "#define NASM_VERSION_H\n";
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printf "#define NASM_MAJOR_VER %d\n", $nmaj;
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printf "#define NASM_MINOR_VER %d\n", $nmin;
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printf "#define NASM_SUBMINOR_VER %d\n", $nsmin;
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printf "#define NASM_PATCHLEVEL_VER %d\n", $nplvl;
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if (defined($snapshot)) {
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printf "#define NASM_SNAPSHOT %d\n", $snapshot;
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}
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printf "#define NASM_VERSION_ID 0x%08x\n", $nasm_id;
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printf "#define NASM_VER \"%s\"\n", $line;
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print "#endif /* NASM_VERSION_H */\n";
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} elsif ( $what eq 'mac' ) {
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print "STD: version\n";
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printf "%%define __?NASM_MAJOR?__ %d\n", $nmaj;
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printf "%%define __?NASM_MINOR?__ %d\n", $nmin;
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printf "%%define __?NASM_SUBMINOR?__ %d\n", $nsmin;
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printf "%%define __?NASM_PATCHLEVEL?__ %d\n", $nplvl;
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if (defined($snapshot)) {
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printf "%%define __?NASM_SNAPSHOT?__ %d\n", $snapshot;
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}
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printf "%%define __?NASM_VERSION_ID?__ 0%08Xh\n", $nasm_id;
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printf "%%define __?NASM_VER?__ \"%s\"\n", $line;
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} elsif ( $what eq 'sed' ) {
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printf "s/\@\@NASM_MAJOR\@\@/%d/g\n", $nmaj;
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printf "s/\@\@NASM_MINOR\@\@/%d/g\n", $nmin;
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printf "s/\@\@NASM_SUBMINOR\@\@/%d/g\n", $nsmin;
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printf "s/\@\@NASM_PATCHLEVEL\@\@/%d/g\n", $nplvl;
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printf "s/\@\@NASM_SNAPSHOT\@\@/%d/g\n", $snapshot; # Possibly empty
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printf "s/\@\@NASM_VERSION_ID\@\@/%d/g\n", $nasm_id;
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printf "s/\@\@NASM_VERSION_XID\@\@/0x%08x/g\n", $nasm_id;
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printf "s/\@\@NASM_VER\@\@/%s/g\n", $line;
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printf "s/\@\@NASM_MANGLED_VER\@\@/%s/g\n", $mangled_ver;
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} elsif ( $what eq 'make' ) {
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printf "NASM_VER=%s\n", $line;
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printf "NASM_MAJOR_VER=%d\n", $nmaj;
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printf "NASM_MINOR_VER=%d\n", $nmin;
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printf "NASM_SUBMINOR_VER=%d\n", $nsmin;
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printf "NASM_PATCHLEVEL_VER=%d\n", $nplvl;
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} elsif ( $what eq 'nsis' ) {
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printf "!define VERSION \"%s\"\n", $line;
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printf "!define MAJOR_VER %d\n", $nmin;
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printf "!define MINOR_VER %d\n", $nmin;
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printf "!define SUBMINOR_VER %d\n", $nsmin;
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printf "!define PATCHLEVEL_VER %d\n", $nplvl;
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} elsif ( $what eq 'id' ) {
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print $nasm_id, "\n"; # Print ID in decimal
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} elsif ( $what eq 'xid' ) {
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printf "0x%08x\n", $nasm_id; # Print ID in hexadecimal
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} elsif ( $what eq 'docsrc' ) {
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printf "\\M{version}{%s}\n", $line;
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printf "\\M{subtitle}{version %s}\n", $line;
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} else {
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die "$0: Unknown output: $what\n";
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}
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exit 0;
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