~drizzle-trunk/drizzle/development

#!/usr/bin/perl

# Copyright (C) 2009 Sun Microsystems, Inc. All rights reserved.  Use

# is subject to license terms.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; version 2 of the License.

#

# This program 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

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301

# USA

use lib 'lib';

use lib "$ENV{RQG_HOME}/lib";

use strict;

use GenTest;

use GenTest::Constants;

use GenTest::Grammar;

use Getopt::Long;

$| = 1;

my ($grammar_file, $mask, $mask_level, $thread_id, $help);

my @ARGV_saved = @ARGV;

my $opt_result = GetOptions(

	'grammar=s' => \$grammar_file,

	'mask=i' => \$mask,

	'mask-level=i' => \$mask_level,

	'thread-id=i' => \$thread_id

);

help() if !$opt_result || $help || not defined $grammar_file;

my $grammar = GenTest::Grammar->new( grammar_file => $grammar_file );

my $top_grammar = ($mask_level > 0) ? $grammar->topGrammar($mask_level, "thread".$thread_id, "query") : $grammar;

if ($mask > 0) {

	my $masked_grammar = $top_grammar->mask($mask);

	$grammar = $grammar->patch($masked_grammar);

}

print $grammar->toString();

exit(0);

sub help {

        print <<EOF

$0 - Dump a grammar after applying masking

        --grammar   : Grammar file to use for generating the queries (REQUIRED);

        --mask      : A seed to a random mask used to mask (reeduce) the grammar.

        --mask-level: How many levels deep the mask is applied (default 1)

        --help      : This help message

EOF

        ;

	exit(1);

}