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|
#!/usr/bin/perl
use strict;
# don't use warnings module as it is not portable enough
# use warnings;
use Getopt::Long;
my $public_file = undef;
my $private_file = undef;
my $public_define = undef;
my $private_define = undef;
my $public_fd = \*STDOUT;
my $private_fd = \*STDOUT;
sub usage()
{
print "Usage: mkproto.pl [options] [c files]\n";
print "OPTIONS:\n";
print " --public=FILE Write prototypes for public functions to FILE\n";
print " --private=FILE Write prototypes for private functions to FILE\n";
print " --define=DEF Use DEF to check whether header was already included\n";
print " --public-define=DEF Same as --define, but just for public header\n";
print " --private-define=DEF Same as --define, but just for private header\n";
print " --help Print this help message\n\n";
exit 0;
}
GetOptions(
'public=s' => sub { my ($f,$v) = @_; $public_file = $v; },
'private=s' => sub { my ($f,$v) = @_; $private_file = $v; },
'define=s' => sub {
my ($f,$v) = @_;
$public_define = $v;
$private_define = "$v\_PRIVATE";
},
'public-define=s' => \$public_define,
'private-define=s' => \$private_define,
'help' => \&usage
) or exit(1);
if (not defined($public_define) and defined($public_file)) {
$public_define = ".." . uc($public_file) . "__";
$public_define =~ tr{./}{__};
} elsif (not defined($public_define)) {
$public_define = '_PROTO_H_';
}
if (not defined($private_define) and defined($private_file)) {
$private_define = "__" . uc($private_file) . "__";
$private_define =~ tr{./}{__};
} elsif (not defined($public_define)) {
$public_define = '_PROTO_H_';
}
if (defined($public_file)) {
open PUBLIC, ">$public_file" or die("Can't open `$public_file': $!");
$public_fd = \*PUBLIC;
}
if ($private_file eq $public_file) {
$private_fd = $public_fd;
} elsif (defined($private_file)) {
open PRIVATE, ">$private_file" or die("Can't open `$private_file': $!"); ;
$private_fd = \*PRIVATE;
}
sub print_header($$)
{
my ($file, $header_name) = @_;
print $file "#ifndef $header_name\n";
print $file "#define $header_name\n\n";
print $file "#undef _PRINTF_ATTRIBUTE\n";
print $file "#define _PRINTF_ATTRIBUTE(a1, a2) PRINTF_ATTRIBUTE(a1, a2)\n";
print $file "/* This file was automatically generated by mkproto.pl. DO NOT EDIT */\n\n";
}
sub print_footer($$)
{
my ($file, $header_name) = @_;
print $file "#undef _PRINTF_ATTRIBUTE\n";
print $file "#define _PRINTF_ATTRIBUTE(a1, a2)\n";
print $file "\n#endif /* $header_name */\n\n";
}
sub handle_loadparm($$)
{
my ($file,$line) = @_;
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" => "const char *",
"INTEGER" => "int ",
"CHAR" => "char ",
"LIST" => "const char **",
);
my %smap = (
"GLOBAL" => "void",
"LOCAL" => "int "
);
print $file "$tmap{$type}$name($smap{$scope});\n";
}
}
sub process_file($$$)
{
my ($public_file, $private_file, $filename) = @_;
$filename =~ s/\.o$/\.c/g;
open(FH, "< $filename") || die "Failed to open $filename";
print $private_file "\n/* The following definitions come from $filename */\n\n";
while (my $line = <FH>) {
my $target = $private_file;
my $is_public = 0;
# these are ordered for maximum speed
next if ($line =~ /^\s/);
next unless ($line =~ /\(/);
next if ($line =~ /^\/|[;]/);
if ($line =~ s/^_PUBLIC_[\t ]/extern /) {
$target = $public_file;
$is_public = 1;
}
next unless ( $is_public || $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|^FN_|^init_module|
^GtkWidget|^GType|^smb_ucs2_t
/xo);
next if ($line =~ /^int\s*main/);
if ($line =~ /^FN_/) {
handle_loadparm($public_file, $line);
next;
}
if ( $line =~ /\(.*\)\s*$/o ) {
chomp $line;
print $target "$line;\n";
next;
}
print $target $line;
while ($line = <FH>) {
if ($line =~ /\)\s*$/o) {
chomp $line;
print $target "$line;\n";
last;
}
print $target $line;
}
}
close(FH);
}
print_header($public_fd, $public_define);
if ($public_file ne $private_file) {
print_header($private_fd, $private_define);
print $private_fd "/* this file contains prototypes for functions that " .
"are private \n * to this subsystem or library. These functions " .
"should not be \n * used outside this particular subsystem! */\n\n";
print $public_fd "/* this file contains prototypes for functions that " .
"are part of \n * the public API of this subsystem or library. */\n\n";
}
process_file($public_fd, $private_fd, $_) foreach (@ARGV);
print_footer($public_fd, $public_define);
if ($public_file ne $private_file) {
print_footer($private_fd, $private_define);
}
|
