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#!/usr/bin/perl -w
###################################################
# package to parse IDL files and generate code for
# rpc functions in Samba
# Copyright tridge@samba.org 2000
# released under the GNU GPL
use strict;
use Getopt::Long;
use Data::Dumper;
use Parse::RecDescent;
use dump;
use header;
use util;
my($opt_help) = 0;
my($opt_parse) = 0;
my($opt_dump) = 0;
my($opt_diff) = 0;
my($opt_header) = 0;
#####################################################################
# parse an IDL file returning a structure containing all the data
sub IdlParse($)
{
# this autoaction allows us to handle simple nodes without an action
# $::RD_TRACE = 1;
$::RD_AUTOACTION = q {
$#item==1 && ref($item[1]) eq "" ?
$item[1] :
"XX_" . $item[0] . "_XX[$#item]" };
my($filename) = shift;
my($grammer) = util::FileLoad("idl.gram");
my($parser) = Parse::RecDescent->new($grammer);
undef $/;
my($idl) = $parser->idl(`cpp $filename`);
util::CleanData($idl);
return $idl;
}
#########################################
# display help text
sub ShowHelp()
{
print "
perl IDL parser and code generator
Copyright tridge\@samba.org
Usage: pidl.pl [options] <idlfile>
Options:
--help this help page
--parse parse a idl file to a .pidl file
--dump dump a pidl file back to idl
--header dump a C header file
--diff run diff on the idl and dumped output
\n";
exit(0);
}
# main program
GetOptions (
'help|h|?' => \$opt_help,
'parse' => \$opt_parse,
'dump' => \$opt_dump,
'header' => \$opt_header,
'diff' => \$opt_diff
);
if ($opt_help) {
ShowHelp();
exit(0);
}
my($idl_file) = shift;
die "ERROR: You must specify an idl file to process" unless ($idl_file);
my($pidl_file) = util::ChangeExtension($idl_file, "pidl");
if ($opt_parse) {
print "Parsing $idl_file\n";
my($idl) = IdlParse($idl_file);
print "Saving $pidl_file\n";
util::SaveStructure($pidl_file, $idl) || die "Failed to save $pidl_file";
}
if ($opt_dump) {
my($idl) = util::LoadStructure($pidl_file);
print IdlDump::Dump($idl);
}
if ($opt_header) {
my($idl) = util::LoadStructure($pidl_file);
my($header) = util::ChangeExtension($idl_file, "h");
util::FileSave($header, IdlHeader::Dump($idl));
}
if ($opt_diff) {
my($idl) = util::LoadStructure($pidl_file);
my($tempfile) = util::ChangeExtension($idl_file, "tmp");
util::FileSave($tempfile, IdlDump::Dump($idl));
system("diff -wu $idl_file $tempfile");
unlink($tempfile);
}
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