/usr/bin/cg3-autobin.pl is in cg3 1.0.0~r12254-1ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | #!/usr/bin/env perl
BEGIN { $| = 1; }
use warnings;
use strict;
use File::Spec;
use Getopt::Long;
use Digest::SHA qw(sha1_hex);
Getopt::Long::Configure('no_ignore_case');
# This is updated by the update-revision.pl script.
my $revision = 12253;
# Generate list with:
# vislcg3 --help 2>&1 | perl -wpne 'if (/^ / && /-(\w), --([-\w]+)/) {print "$2|$1=s\n"} elsif (/^ / && /--([-\w]+)/) {print "$1=s\n"} s/^.*$//s;' | perl -wpne 's/^/"/; s/$/",/;'
# and then trim =s from those that don't take args
my %h = ();
GetOptions (\%h,
"help|h",
"version|V",
"min-binary-revision",
"grammar|g=s",
"grammar-out=s",
"grammar-bin=s",
"grammar-only",
"ordered",
"unsafe|u",
"sections|s=s",
"rules=s",
"rule=s",
"debug|d:s",
"verbose|v:s",
"quiet",
"vislcg-compat|2",
"stdin|I=s",
"stdout|O=s",
"stderr|E=s",
"codepage-all|C=s",
"codepage-grammar=s",
"codepage-input=s",
"codepage-output=s",
"no-mappings",
"no-corrections",
"no-before-sections",
"no-sections",
"no-after-sections",
"trace|t:s",
"trace-name-only",
"trace-no-removed",
"trace-encl",
"dry-run",
"single-run",
"max-runs=s",
"statistics|S",
"optimize-unsafe|Z",
"optimize-safe|z",
"prefix|p=s",
"unicode-tags",
"unique-tags",
"num-windows=s",
"always-span",
"soft-limit=s",
"hard-limit=s",
"dep-delimit|D:s",
"dep-original",
"dep-allow-loops",
"dep-no-crossing",
"no-magic-readings",
"no-pass-origin|o",
"split-mappings",
"show-end-tags|e",
"show-unused-sets",
"show-tags",
"show-tag-hashes",
"show-set-hashes",
"dump-ast"
);
if (defined $h{'grammar-bin'}) {
die "Error: Cannot use --grammar-bin with the autobin wrapper !\n";
}
if (! defined $h{'grammar'}) {
die "Error: Missing --grammar or -g !\n";
}
my $grammar = $h{'grammar'};
if (! (-r $h{'grammar'})) {
die "Error: Cannot read file ".$h{'grammar'}." !\n";
}
my $args = " ";
while (my ($k,$v) = each(%h)) {
if ($k ne 'grammar') {
$args .= " --$k $v";
}
}
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($h{'grammar'});
my $bn = File::Spec->tmpdir()."/".sha1_hex($args.$h{'grammar'}).".".$revision.".".$mtime.".cg3b";
my $bin = 'vislcg3';
if (-x '/usr/bin/vislcg3') {
$bin = '/usr/bin/vislcg3';
}
if (-x '/usr/local/bin/vislcg3') {
$bin = '/usr/local/bin/vislcg3';
}
if (-x '~/bin/vislcg3') {
$bin = '~/bin/vislcg3';
}
if (!(-r $bn) && !(-r $bn.".lock")) {
open(F, ">".$bn.".lock") && close F;
`$bin $args --grammar $grammar --grammar-only --grammar-bin $bn`;
unlink $bn.".lock";
}
my $cmd = '';
if (-r $bn && !(-r $bn.".lock")) {
print STDERR "CG3 AutoBin using $bn\n";
$cmd = "cat /dev/stdin | $bin $args --grammar $bn";
}
else {
print STDERR "CG3 AutoBin failed - falling back to normal\n";
$cmd = "cat /dev/stdin | $bin $args --grammar $grammar";
}
if (defined $h{'stdin'}) {
$cmd =~ s@^cat /dev/stdin | @@;
}
open CG, "$cmd|" or die $!;
while (<CG>) {
print;
}
close CG;
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