diff options
Diffstat (limited to 'source4/script/mkparamdefs.pl')
| -rw-r--r-- | source4/script/mkparamdefs.pl | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/source4/script/mkparamdefs.pl b/source4/script/mkparamdefs.pl new file mode 100644 index 0000000000..9b255a86fc --- /dev/null +++ b/source4/script/mkparamdefs.pl @@ -0,0 +1,192 @@ +#!/usr/bin/perl +# Generate loadparm tables for loadparm.c +# by Andrew Bartlett +# based on mkproto.pl Written by Jelmer Vernooij +# based on the original mkproto.sh by Andrew Tridgell + +use strict; + +# don't use warnings module as it is not portable enough +# use warnings; + +use Getopt::Long; +use File::Basename; +use File::Path; + +##################################################################### +# read a file into a string + +my $file = undef; +my $public_define = undef; +my $_public = ""; +my $_private = ""; +my $public_data = \$_public; +my $builddir = "."; +my $srcdir = "."; +my $generate_scope = undef; + +sub public($) +{ + my ($d) = @_; + $$public_data .= $d; +} + +sub usage() +{ + print "Usage: mkparamdefs.pl [options] [c files]\n"; + print "OPTIONS:\n"; + print " --srcdir=path Read files relative to this directory\n"; + print " --builddir=path Write file relative to this directory\n"; + print " --generate-scope=[GLOBAL|LOCAL] Filter which definitions to generate\n"; + print " --help Print this help message\n\n"; + exit 0; +} + +GetOptions( + 'file=s' => sub { my ($f,$v) = @_; $file = $v; }, + 'srcdir=s' => sub { my ($f,$v) = @_; $srcdir = $v; }, + 'builddir=s' => sub { my ($f,$v) = @_; $builddir = $v; }, + 'generate-scope=s' => sub { my ($f,$v) = @_; $generate_scope = $v; }, + 'help' => \&usage +) or exit(1); + +sub normalize_define($$) +{ + my ($define, $file) = @_; + + if (not defined($define) and defined($file)) { + $define = "__" . uc($file) . "__"; + $define =~ tr{./}{__}; + $define =~ tr{\-}{_}; + } elsif (not defined($define)) { + $define = '_S3_PARAM_H_'; + } + + return $define; +} + +$public_define = normalize_define($public_define, $file); + +sub file_load($) +{ + my($filename) = @_; + local(*INPUTFILE); + open(INPUTFILE, $filename) or return undef; + my($saved_delim) = $/; + undef $/; + my($data) = <INPUTFILE>; + close(INPUTFILE); + $/ = $saved_delim; + return $data; +} + +sub print_header($$$) +{ + my ($file, $header_name,$generate_scope) = @_; + $file->("#ifndef $header_name\n"); + $file->("#define $header_name\n\n"); +$file->("/* This file was automatically generated by mkparmdefs.pl. DO NOT EDIT */\n\n"); + $file->("/**\n"); + if ($generate_scope eq "GLOBAL") { + $file->(" * This structure describes global (ie., server-wide) parameters.\n"); + $file->(" */\n"); + $file->("struct loadparm_global \n"); + } elsif ($generate_scope eq "LOCAL") { + $file->(" * This structure describes a single service.\n"); + $file->(" */\n"); + $file->("struct loadparm_service \n"); + } +$file->("{\n"); +} + +sub print_footer($$$) +{ + my ($file, $header_name, $generate_scope) = @_; + $file->("LOADPARM_EXTRA_" . $generate_scope . "S\n"); + $file->("};\n"); + $file->("\n#endif /* $header_name */\n\n"); +} + +sub handle_loadparm($$$) +{ + my ($file,$line,$generate_scope) = @_; + + if ($line =~ /^FN_(GLOBAL|LOCAL)_(CONST_STRING|STRING|BOOL|bool|CHAR|INTEGER|LIST)\((\w+),(.*)\)/o) { + my $scope = $1; + my $type = $2; + my $name = $3; + my $var = $4; + + my %tmap = ( + "BOOL" => "int ", + "CONST_STRING" => "char *", + "STRING" => "char *", + "INTEGER" => "int ", + "CHAR" => "char ", + "LIST" => "const char **", + ); + + if ($scope eq $generate_scope) { + $file->("\t$tmap{$type} $var;\n"); + } + } +} + +sub process_file($$) +{ + my ($file, $filename) = @_; + + $filename =~ s/\.o$/\.c/g; + + if ($filename =~ /^\//) { + open(FH, "<$filename") or die("Failed to open $filename"); + } elsif (!open(FH, "< $builddir/$filename")) { + open(FH, "< $srcdir/$filename") || die "Failed to open $filename"; + } + + my $comment = undef; + my $incomment = 0; + while (my $line = <FH>) { + if ($line =~ /^\/\*\*/) { + $comment = ""; + $incomment = 1; + } + + if ($incomment) { + $comment .= $line; + if ($line =~ /\*\//) { + $incomment = 0; + } + } + + # these are ordered for maximum speed + next if ($line =~ /^\s/); + + next unless ($line =~ /\(/); + + next if ($line =~ /^\/|[;]/); + + if ($line =~ /^FN_/) { + handle_loadparm($file, $line, $generate_scope); + } + next; + } + + close(FH); +} + + +print_header(\&public, $public_define, $generate_scope); + +process_file(\&public, $_) foreach (@ARGV); +print_footer(\&public, $public_define, $generate_scope); + +if (not defined($file)) { + print STDOUT $$public_data; +} + +mkpath(dirname($file), 0, 0755); +open(PUBLIC, ">$file") or die("Can't open `$file': $!"); +print PUBLIC "$$public_data"; +close(PUBLIC); + |