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#!/usr/bin/perl
# Copyright 2006-2008 The FLWOR Foundation.
#
# 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.
# Checks for common parser and lexer keyword/qname - related problems
# Usage: chk_kwqnames path/to/xquery_parser.y
use strict;
use warnings;
use File::Basename;
my $yfname = shift;
my $lfname = dirname ($yfname) . "/xquery_scanner.l";
my %ykwmap;
my %lkwmap;
print ("Parser: $yfname\nScanner: $lfname\n\n");
open YF, $yfname or die;
open LF, $lfname or die;
while (<YF>) {
if (m@ *(\|)? *([A-Z0-9_]+) \{ *\$\$ *= *SYMTAB_PUT \(("[^"]+")\); *\} *$@) {
# print "KW: $2 $3\n";
my $tok = $2; my $kw = $3;
$ykwmap {$tok} = $kw;
}
}
while (<LF>) {
if (m@^ *("[^"]+") *\{ *return token::([A-Z0-9_]+); *} *$@) {
my $tok = $2; my $kw = $1;
$lkwmap {$tok} = $kw;
my $ykw = $ykwmap {$tok};
if ($ykw && ! ($ykw eq $kw)) { print "$tok should be $kw as qname, is $ykw\n"; }
if ($kw =~ m@"[a-zA-Z0-9_][a-zA-Z0-9_-]*"@ && ! $ykw) {
print "Token $tok ($kw in lexer) not listed as qname in parser\n";
}
}
}
foreach my $tok (keys %ykwmap) {
my $ykw = $ykwmap {$tok};
if ($ykw =~ m@"[a-zA-Z0-9_][a-zA-Z0-9_-]*"@ && ! $lkwmap {$tok}) {
print "Token $tok ($ykw in parser) not recognized in lexer\n";
}
}
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