samba-mirror/source/script/mkproto.pl

#!/usr/bin/perl

use strict;
use warnings;

my $header_name = '_PROTO_H_';

if ($ARGV[0] eq '-h') {
	shift @ARGV;
	$header_name = shift @ARGV;
}


sub print_header {
	print "#ifndef $header_name\n";
	print "#define $header_name\n\n";
	print "/* This file is automatically generated with \"make proto\". DO NOT EDIT */\n\n";
}

sub print_footer {
	printf "\n#endif /*  %s  */\n", $header_name;
}


sub handle_loadparm {
	my $line = shift;

	if ($line =~ /^FN_(GLOBAL|LOCAL)_(CONST_STRING|STRING|BOOL|CHAR|INTEGER|LIST)\((\w+),.*\)/o) {
		my $scope = $1;
		my $type = $2;
		my $name = $3;

		my %tmap = (
			    "BOOL" => "BOOL ",
			    "CONST_STRING" => "const char *",
			    "STRING" => "char *",
			    "INTEGER" => "int ",
			    "CHAR" => "char ",
			    "LIST" => "const char **",
			    );

		my %smap = (
			    "GLOBAL" => "void",
			    "LOCAL" => "int "
			    );

		print "$tmap{$type}$name($smap{$scope});\n";
	}
}


sub process_file($) 
{
	my $filename = shift;
	my $line;
	my $inheader;
	my $gotstart;

	open(FH, "< $filename") || die "Failed to open $filename";

	$inheader = 0;
	$gotstart = 0;

	print "\n/* The following definitions come from $filename  */\n\n";

	while ($line = <FH>) {	      
		# this ignores most lines
		next if ($line =~ /^\s/);
	      
		$gotstart = 0;
	      
		if ($line =~ /^static|^extern/o ||
		    $line !~ /^[a-zA-Z]/o ||
		    $line =~ /[;]/o) {
			next;
		}
	      	      
		if ($line =~ /^FN_/) {
			handle_loadparm($line);
		}

		next unless ($line =~ /\(/);
	      
		if ( $line =~ /
		     ^void|^BOOL|^int|^struct|^char|^const|^\w+_[tT]\s|^uint|^unsigned|^long|
		     ^NTSTATUS|^ADS_STATUS|^enum\s.*\(|^DATA_BLOB|^WERROR|^XFILE|^FILE|^DIR|
		     ^double|^TDB_CONTEXT|^TDB_DATA|^TALLOC_CTX|^NTTIME
		     /xo) {
			$gotstart = 1;
		}
		
		
		# goto next line if we don't have a start
		next unless $gotstart;

		if ( $line =~ /\(.*\)\s*$/o ) {
			chomp $line;
			print "$line;\n";
			next;
		}

		print $line;

		while ($line = <FH>) {
			chomp $line;
			if ($line =~ /\)\s*$/o) {
				print "$line;\n";
				last;
			}
			print "$line\n";
		}
	}
}

sub process_files {
	foreach my $filename (@ARGV) {
		process_file($filename);
	}
}

print_header();
process_files();
print_footer();