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|
#!/usr/bin/perl
#
# version.pl
#
# Parse the NASM version file and produce appropriate macros
#
# The NASM version number is assumed to consist of:
#
# <major>.<minor>[.<subminor>][pl<patchlevel>]]<tail>
#
# ... where <tail> is not necessarily numeric, but if it is of the form
# -<digits> it is assumed to be a snapshot release.
#
# This defines the following macros:
#
# version.h:
# NASM_MAJOR_VER
# NASM_MINOR_VER
# NASM_SUBMINOR_VER -- this is zero if no subminor
# NASM_PATCHLEVEL_VER -- this is zero is no patchlevel
# NASM_SNAPSHOT -- if snapshot
# NASM_VERSION_ID -- version number encoded
# NASM_VER -- whole version number as a string
#
# version.mac:
# __NASM_MAJOR__
# __NASM_MINOR__
# __NASM_SUBMINOR__
# __NASM_PATCHLEVEL__
# __NASM_SNAPSHOT__
# __NASM_VERSION_ID__
# __NASM_VER__
#
($what) = @ARGV;
$line = <STDIN>;
chomp $line;
undef $man, $min, $smin, $plvl, $tail;
$is_rc = 0;
if ( $line =~ /^([0-9]+)\.([0-9]+)(.*)$/ ) {
$maj = $1;
$min = $2;
$tail = $3;
if ( $tail =~ /^\.([0-9]+)(.*)$/ ) {
$smin = $1;
$tail = $2;
}
if ( $tail =~ /^(pl|\.)([0-9]+)(.*)$/ ) {
$plvl = $2;
$tail = $3;
} elsif ( $tail =~ /^rc([0-9]+)(.*)$/ ) {
$is_rc = 1;
$plvl = $1;
$tail = $2;
}
} else {
die "$0: Invalid input format\n";
}
if ($tail =~ /^\-([0-9]+)/) {
$snapshot = $1;
} else {
undef $snapshot;
}
$nmaj = $maj+0; $nmin = $min+0;
$nsmin = $smin+0; $nplvl = $plvl+0;
if ($is_rc) {
$nplvl += 90;
if ($nsmin > 0) {
$nsmin--;
} else {
$nsmin = 99;
if ($nmin > 0) {
$nmin--;
} else {
$nmin = 99;
$nmaj--;
}
}
}
$nasm_id = ($nmaj << 24)+($nmin << 16)+($nsmin << 8)+$nplvl;
$mangled_ver = sprintf("%d.%02d.%02d", $nmaj, $nmin, $nsmin);
$mangled_ver .= '.'.$nplvl if ($nplvl != 0);
($mtail = $tail) =~ tr/-/./;
$mangled_ver .= $mtail;
if ( $what eq 'h' ) {
print "#ifndef NASM_VERSION_H\n";
print "#define NASM_VERSION_H\n";
printf "#define NASM_MAJOR_VER %d\n", $nmaj;
printf "#define NASM_MINOR_VER %d\n", $nmin;
printf "#define NASM_SUBMINOR_VER %d\n", $nsmin;
printf "#define NASM_PATCHLEVEL_VER %d\n", $nplvl;
if (defined($snapshot)) {
printf "#define NASM_SNAPSHOT %d\n", $snapshot;
}
printf "#define NASM_VERSION_ID 0x%08x\n", $nasm_id;
printf "#define NASM_VER \"%s\"\n", $line;
print "#endif /* NASM_VERSION_H */\n";
} elsif ( $what eq 'mac' ) {
printf "%%define __NASM_MAJOR__ %d\n", $nmaj;
printf "%%define __NASM_MINOR__ %d\n", $nmin;
printf "%%define __NASM_SUBMINOR__ %d\n", $nsmin;
printf "%%define __NASM_PATCHLEVEL__ %d\n", $nplvl;
if (defined($snapshot)) {
printf "%%define __NASM_SNAPSHOT__ %d\n", $snapshot;
}
printf "%%define __NASM_VERSION_ID__ 0%08Xh\n", $nasm_id;
printf "%%define __NASM_VER__ \"%s\"\n", $line;
} elsif ( $what eq 'sed' ) {
printf "s/\@\@NASM_MAJOR\@\@/%d/g\n", $nmaj;
printf "s/\@\@NASM_MINOR\@\@/%d/g\n", $nmin;
printf "s/\@\@NASM_SUBMINOR\@\@/%d/g\n", $nsmin;
printf "s/\@\@NASM_PATCHLEVEL\@\@/%d/g\n", $nplvl;
printf "s/\@\@NASM_SNAPSHOT\@\@/%d/g\n", $snapshot; # Possibly empty
printf "s/\@\@NASM_VERSION_ID\@\@/%d/g\n", $nasm_id;
printf "s/\@\@NASM_VERSION_XID\@\@/0x%08x/g\n", $nasm_id;
printf "s/\@\@NASM_VER\@\@/%s/g\n", $line;
printf "s/\@\@NASM_MANGLED_VER\@\@/%s/g\n", $mangled_ver;
} elsif ( $what eq 'id' ) {
print $nasm_id, "\n"; # Print ID in decimal
} elsif ( $what eq 'xid' ) {
printf "0x%08x\n", $nasm_id; # Print ID in hexadecimal
} else {
die "$0: Unknown output: $what\n";
}
exit 0;
|
