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123 lines
2.0 KiB
Perl
123 lines
2.0 KiB
Perl
#!/usr/bin/perl
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#
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# Generate the keywords table file
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# Copyright (c) 2019-2020, PostgreSQL Global Development Group
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use strict;
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use warnings;
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my @sql_versions = reverse sort ('1992', '2011', '2016');
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my $srcdir = $ARGV[0];
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my %keywords;
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# read SQL keywords
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foreach my $ver (@sql_versions)
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{
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foreach my $res ('reserved', 'nonreserved')
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{
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foreach my $file (glob "$srcdir/keywords/sql${ver}*-${res}.txt")
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{
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open my $fh, '<', $file or die;
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while (<$fh>)
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{
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chomp;
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$keywords{$_}{$ver}{$res} = 1;
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}
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close $fh;
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}
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}
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}
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# read PostgreSQL keywords
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open my $fh, '<', "$srcdir/../../../src/include/parser/kwlist.h" or die;
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while (<$fh>)
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{
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if (/^PG_KEYWORD\("(\w+)", \w+, (\w+)_KEYWORD\)/)
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{
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$keywords{ uc $1 }{'pg'}{ lc $2 } = 1;
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}
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}
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close $fh;
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# print output
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print "<!-- autogenerated, do not edit -->\n";
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print <<END;
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<table id="keywords-table">
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<title><acronym>SQL</acronym> Key Words</title>
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<tgroup cols="5">
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<thead>
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<row>
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<entry>Key Word</entry>
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<entry><productname>PostgreSQL</productname></entry>
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END
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foreach my $ver (@sql_versions)
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{
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my $s = ($ver eq '1992' ? 'SQL-92' : "SQL:$ver");
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print " <entry>$s</entry>\n";
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}
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print <<END;
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</row>
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</thead>
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<tbody>
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END
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foreach my $word (sort keys %keywords)
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{
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print " <row>\n";
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print " <entry><token>$word</token></entry>\n";
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print " <entry>";
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if ($keywords{$word}{pg}{'unreserved'})
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{
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print "non-reserved";
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}
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elsif ($keywords{$word}{pg}{'col_name'})
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{
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print "non-reserved (cannot be function or type)";
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}
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elsif ($keywords{$word}{pg}{'type_func_name'})
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{
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print "reserved (can be function or type)";
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}
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elsif ($keywords{$word}{pg}{'reserved'})
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{
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print "reserved";
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}
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print "</entry>\n";
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foreach my $ver (@sql_versions)
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{
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print " <entry>";
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if ($keywords{$word}{$ver}{'reserved'})
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{
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print "reserved";
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}
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elsif ($keywords{$word}{$ver}{'nonreserved'})
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{
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print "non-reserved";
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}
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print "</entry>\n";
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}
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print " </row>\n";
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}
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print <<END;
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</tbody>
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</tgroup>
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</table>
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END
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