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#!/usr/local/bin/perl -w
# Modified by Steve Henson. It should now read in the .err
# file and only add new error codes, retaining the old
# numbers.
# Before it re-sorted new codes and re-ordered the whole thing.
# This is the motivation for the change: the re numbering caused large
# patch files even if only one error or reason code was added.
# To force regeneration of all error codes (the old behaviour) use the
# -regen flag.
$regen = 0;
while (@ARGV)
{
$in=shift(@ARGV);
if ($in =~ /^-conf$/)
{
$in=shift(@ARGV);
open(IN,"<$in") || die "unable to open '$in'\n";
while (<IN>)
{
s/#.*$//;
s/\s+$//;
next if (/^$/);
if (/^L\s+(\S+)\s+(\S+)$/)
{ $errfile{$1}=$2; }
elsif (/^F\s+(\S+)$/)
{ $function{$1}=1; }
elsif (/^R\s+(\S+)\s+(\S+)$/)
{ $r_value{$1}=$2; }
else { die "bad input line: $in:$.\n"; }
}
close(IN);
next;
}
elsif ($in =~ /^-regen/)
{
$regen = 1;
next;
}
open(IN,"<$in") || die "unable to open '$in'\n";
$last="";
while (<IN>)
{
if (/err\(([A-Z0-9]+_F_[0-9A-Z_]+)\s*,\s*([0-9A-Z]+_R_[0-9A-Z_]+)\s*\)/)
{
# Not sure what this was supposed to be for: it's broken anyway [steve]
# if ($1 != $last)
# {
# if ($function{$1} == 0)
# {
# printf STDERR "$. $1 is bad\n";
# }
# }
$function{$1}++;
$last=$1;
$reason{$2}++;
}
}
close(IN);
}
foreach (keys %function,keys %reason)
{
/^([A-Z0-9]+)_/;
$prefix{$1}++;
}
@F=sort keys %function;
@R=sort keys %reason;
foreach $j (sort keys %prefix)
{
next if !defined $errfile{$j};
next if $errfile{$j} eq "NONE";
printf STDERR "doing %-6s - ",$j;
@f=grep(/^${j}_/,@F);
@r=grep(/^${j}_/,@R);
if (defined($errfile{$j}))
{
read_errcodes($errfile{$j});
# Check to see if any new codes: if not ignore.
$new_codes = 0;
foreach (@f) {
if(!exists $func_codes{$_}) {
$new_codes = 1;
last;
}
}
if(!$new_codes) {
foreach (@r) {
if(!exists $reason_codes{$_}) {
$new_codes = 1;
last;
}
}
}
if(!$new_codes) {
print STDERR "No New Codes\n";
next;
}
open(OUT,">$errfile{$j}") ||
die "unable to open '$errfile{$j}':$!\n";
$close_file=1;
}
else
{
$min_func = 100;
$min_reason = 100;
*OUT=*STDOUT;
$close_file=0;
}
$num=$min_func;
print OUT "/* Error codes for the $j functions. */\n\n";
print OUT "/* Function codes. */\n";
$f_count=0;
foreach $i (@f)
{
$z=6-int(length($i)/8);
if(exists $func_codes{$i}) {
printf OUT "#define $i%s $func_codes{$i}\n","\t" x $z;
} else {
printf OUT "#define $i%s $num\n","\t" x $z;
$num++;
}
$f_count++;
}
$num=$min_reason;
print OUT "\n/* Reason codes. */\n";
$r_count=0;
foreach $i (@r)
{
$z=6-int(length($i)/8);
if (exists $reason_codes{$i}) {
printf OUT "#define $i%s $reason_codes{$i}\n","\t" x $z;
} elsif (exists $r_value{$i}) {
printf OUT "#define $i%s $r_value{$i}\n","\t" x $z;
} else {
printf OUT "#define $i%s $num\n","\t" x $z;
$num++;
}
$r_count++;
}
close(OUT) if $close_file;
printf STDERR "%3d functions, %3d reasons\n",$f_count,$r_count;
}
# Read in the error codes and populate %function and %reason with the
# old codes. Also define $min_func and $min_reason with the smallest
# unused function and reason codes. Care is needed because the
# config file can define larger reason codes and these should be
# ignored.
sub read_errcodes {
$file = $_[0];
$min_func = 100;
$min_reason = 100;
undef %func_codes;
undef %reason_codes;
return if ($regen);
if (open IN, $file) {
while(<IN>) {
if(/^#define\s*(\S*)\s*(\S*)/) {
if (exists $function{$1} ) {
if($2 >= $min_func) {$min_func = $2 + 1;}
$func_codes{$1} = $2;
} elsif ((defined %reason) && exists $reason{$1}) {
$reason_codes{$1} = $2;
if( !(exists $r_value{$1}) &&
($2 >= $min_reason))
{$min_reason = $2 + 1;}
}
}
}
close IN;
}
}
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