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|
#!/usr/bin/env perl
#
# $FML: check_pcb.pl,v 1.1 2003/10/29 14:50:55 fukachan Exp $
#
use strict;
use Carp;
use FileHandle;
my $in_function = 0;
my $found = 0;
my $use = '';
my $function = '';
my %function_def = ();
my %function_call = ();
my %function_args = ();
my $re;
init();
_print_patch_pre();
while (<>) {
if (/^sub\s*(\S+)/) {
$function = $1;
$in_function = 1;
next;
}
if (/^\}/) {
if ($found) {
print "\n";
if ($use) {
print " \# $ARGV $function:\n";
print " \# \t\$args is defined and referred.\n";
$function_args{ "$function $ARGV" } = 1;
}
else {
if ($function =~ /^($re)$/) {
if (0) {
print " \# $ARGV $function:\n";
print " \# \t\tOK> USE of \$args is o.k.\n";
}
}
else {
print " \# $ARGV $function:\n";
print " \# \t***NOT USED ***: ";
print " \$args is defined but NOT USED.\n";
$function_args{ "$function $ARGV" } = 0;
}
}
unless ($use) {
unless ($function =~ /^($re)$/) {
_print_patch($ARGV, $function);
}
}
else {
for (split(/\n/, $use)) {
print " \# $_\n";
if (/cgi_menu|run_cgi|resolv_/) {
unless ($function =~ /^($re)$/) {
_print_patch($ARGV, $function);
}
}
}
}
print "\n";
}
$in_function = 0;
$found = 0;
$use = '';
$function = '';
next;
}
if ($in_function) {
if (/my.*=.*\@_/) {
my $a = $function_def{ $function };
$a ||= [];
s/\s+/ /g;
s/\s*$//g;
s/^\s*//g;
push(@$a, "DEF($ARGV $.)");
push(@$a, "$function { $_ }");
push(@$a, "");
$function_def{ $function } = $a;
}
if (/my.*(\$curproc|\$self).*\$args.*=.*\@_/) {
$found = 1;
next;
}
next if /new FML::Process::Kernel/;
if ($found && /\$args/) {
$use .= $_;
}
# cross checks
if (/->([\w\d_]+)\(.*\$args/) {
my $f = $1;
chomp;
if ($f !~ /^($re)$/) {
$function_call{ "$f $ARGV $." } = $f;
}
}
}
}
_print_patch_post();
_print_summary();
exit 0;
sub _print_patch_pre
{
print "while (<>) {\n";
}
sub _print_patch_post
{
print " print;\n}\n";
}
sub _print_patch
{
my ($file, $function) = @_;
print " if (\$ARGV eq \"$file\") {\n";
print " if (/^sub $function/) { \$in=1;}\n";
print " if (/^\\}/) { \$in=0;}\n";
print " if (\$in) {\n";
print "\ts/\\\(\\\$args\\\)/\(\)/g;\n";
print "\ts/\\\(\\\$args,/\(/g;\n";
print "\ts/,\\s*\\\$args\\\)/\)/g;\n";
print "\ts/,\\s*\\\$args,/,/g;\n";
print " }\n";
print " }\n";
}
sub _print_summary
{
# summary
for my $fn (sort keys %function_call) {
my ($xf, $xfile, $xline) = split(/\s+/, $fn);
my $f = $function_call{ $fn };
my $use = $function_args{ "$xf $xfile" };
next if $f =~ /^($re)$/;
if (defined $function_def{ $f }) {
my $a = $function_def{ $f };
print STDERR "\n CALL($fn):\n\t";
print STDERR join("\n\t", @$a);
print STDERR "\n";
}
else {
print STDERR "\n CALL($fn):\n";
print STDERR "\tUNDEF ?\n";
}
print STDERR $use ? "\t\$args USED" : " !!! \t\$args NOT USED\n";
print STDERR "\n";
}
}
sub init
{
# valid method list.
my @re = qw(new
run
finish
help
prepare
verify_request
_faker_\S+
_finalize_stderr_channel
_distribute
_makefml
_trap_help
);
$re = join("|", @re);
}
|
