quasar/tools/addassign

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2021-03-03 14:35:11 +08:00
#!/usr/bin/perl
# SPDX-License-Identifier: Apache-2.0
# Copyright 2020 Western Digital Corporation or its affiliates.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
use Getopt::Long;
$helpusage = "placeholder";
GetOptions ('in=s' => \$in,
'prefix=s' => \$prefix) || die("$helpusage");
@in=`cat $in`;
foreach $line (@in) {
if ($line=~/\#/) { next; }
if ($line=~/([^=]+)=/) {
$sig=$1;
$sig=~s/\s+//g;
printf("logic $sig;\n");
}
}
foreach $line (@in) {
if ($line=~/\#/) { next; }
if ($line=~/([^=]+)=\s*;/) {
printf("assign ${prefix}$1 = 1'b0;\n");
next;
}
if ($line=~/([^=]+)=\s*\(\s*\);/) {
printf("assign ${prefix}$1 = 1'b0;\n");
next;
}
if ($line =~ /=/) { printf("assign ${prefix}$line"); }
else { printf("$line"); }
}
exit;