postgresql/src/backend/utils/generate-errcodes.pl

47 lines
921 B
Perl

#!/usr/bin/perl
#
# Generate the errcodes.h header from errcodes.txt
# Copyright (c) 2000-2021, PostgreSQL Global Development Group
use strict;
use warnings;
print
"/* autogenerated from src/backend/utils/errcodes.txt, do not edit */\n";
print "/* there is deliberately not an #ifndef ERRCODES_H here */\n";
open my $errcodes, '<', $ARGV[0] or die;
while (<$errcodes>)
{
chomp;
# Skip comments
next if /^#/;
next if /^\s*$/;
# Emit a comment for each section header
if (/^Section:(.*)/)
{
my $header = $1;
$header =~ s/^\s+//;
print "\n/* $header */\n";
next;
}
die "unable to parse errcodes.txt"
unless /^([^\s]{5})\s+[EWS]\s+([^\s]+)/;
(my $sqlstate, my $errcode_macro) = ($1, $2);
# Split the sqlstate letters
$sqlstate = join ",", split "", $sqlstate;
# And quote them
$sqlstate =~ s/([^,])/'$1'/g;
print "#define $errcode_macro MAKE_SQLSTATE($sqlstate)\n";
}
close $errcodes;