102 lines
2.7 KiB
Perl
102 lines
2.7 KiB
Perl
package VerboseWarnings;
|
|
|
|
use strict;
|
|
require Exporter;
|
|
|
|
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
|
|
|
|
###############################################################################
|
|
|
|
=head1 NAME
|
|
|
|
VerboseWarnings.pm - Verbose warnings for Perl scripts
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
Contains convenience functions to construct Unix-style informational,
|
|
verbose warnings.
|
|
|
|
=cut
|
|
|
|
###############################################################################
|
|
|
|
$VERSION = 0.01;
|
|
|
|
@ISA = qw(Exporter);
|
|
@EXPORT_OK = qw(
|
|
&set_application_name
|
|
&set_input_file_name
|
|
&set_pedantic_mode
|
|
&pedantic_p
|
|
&warn_normal
|
|
&warn_pedantic
|
|
&error_normal
|
|
);
|
|
|
|
###############################################################################
|
|
|
|
use vars qw( $appName $input $input_abbr $pedantic_p $pedantic_tag );
|
|
|
|
sub set_application_name ($) {
|
|
my($s) = @_;
|
|
$appName = $& if !defined $appName && $s =~ /[^\/]+$/;
|
|
}
|
|
|
|
sub set_input_file_name ($) {
|
|
my($s) = @_;
|
|
$input = $s;
|
|
$input_abbr = $& if !defined $input && defined $s && $s =~ /[^\/]+$/;
|
|
}
|
|
|
|
sub set_pedantic_mode ($) {
|
|
my($p) = @_;
|
|
$pedantic_p = $p;
|
|
$pedantic_tag = $pedantic_p? '': ' (negligible)';
|
|
}
|
|
|
|
sub pedantic_p () {
|
|
return $pedantic_p;
|
|
}
|
|
|
|
sub construct_warn_prefix ($$) {
|
|
my($prefix, $lc) = @_;
|
|
die "construct_warn_prefix called before set_application_name"
|
|
unless defined $appName;
|
|
die "construct_warn_prefix called before set_input_file_name"
|
|
unless defined $input;
|
|
die "construct_warn_prefix called before set_pedantic_mode"
|
|
unless defined $pedantic_tag;
|
|
|
|
# FIXME: The line number is not accurate, but should be "close enough"
|
|
# FIXME: This wording is worse than what was there, but it's wrong to
|
|
# FIXME: hard-code this thing in each warn statement. Need improvement.
|
|
return "$appName: $prefix: " . (defined $lc? "$input_abbr: line $lc: ": "$input_abbr: ");
|
|
}
|
|
|
|
sub warn_normal ($$) {
|
|
my($msg, $lc) = @_;
|
|
my $prefix = construct_warn_prefix('Warning', $lc);
|
|
$msg .= "\n" unless $msg =~ /\n$/s;
|
|
warn "$prefix$msg";
|
|
}
|
|
|
|
sub warn_pedantic ($$$) {
|
|
my($msg, $lc, $flag) = @_;
|
|
my $prefix = construct_warn_prefix("Warning$pedantic_tag", $lc);
|
|
$msg .= "\n" unless $msg =~ /\n$/s;
|
|
warn "$prefix$msg" if $pedantic_p || !$$flag;
|
|
if (!$pedantic_p) {
|
|
$prefix = construct_warn_prefix("Warning$pedantic_tag", undef);
|
|
warn $prefix."Further similar negligible warnings will not be reported, use --pedantic for details\n" unless $$flag;
|
|
$$flag = 1;
|
|
}
|
|
}
|
|
|
|
sub error_normal ($$) {
|
|
my($msg, $lc) = @_;
|
|
my $prefix = construct_warn_prefix('ERROR', $lc);
|
|
$msg .= "\n" unless $msg =~ /\n$/s;
|
|
warn "$prefix$msg";
|
|
}
|
|
|
|
###############################################################################
|