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lib/Acme/Gosub.pm  view on Meta::CPAN

            {
                my $pos_source = pos($source);
                # This is an Evil hack that meant to get Text::Balanced to do
                # what we want. What happens is that we put an initial ";"
                # so the end of the statement will be a ";" too.
                my $source_for_text_balanced = ";" .
                    substr($source, $pos_source);
                pos($source_for_text_balanced) = 0;
                @pos = Text::Balanced::_match_codeblock(\$source_for_text_balanced,qr/\s*/,qr/;/,qr/;/,qr/[[{(<]/,qr/[]})>]/,undef)
                    or do {
                        die "Bad gosub statement (problem in the parentheses?) near $Acme::Gosub::file line ", line(substr($source_for_text_balanced,0,pos $source_for_text_balanced),$line), "\n";
                    };
                my $future_pos_source = $pos_source + pos($source_for_text_balanced);
                print join(",",@pos), "\n";
                $arg = filter_blocks(substr($source_for_text_balanced,1,$pos[4]-$pos[0]),line(substr($source_for_text_balanced,0,1),$line));
                print "\$arg = $arg\n";
                pos($source) = $future_pos_source;
            }

            my $next_ret_label = "__G_O_S_U_B_RET_LABEL_" .
                ($next_label_idx++);