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###########################################################
### SMB Build System ###
### - config.mk parsing functions ###
### ###
### Copyright (C) Stefan (metze) Metzmacher 2004 ###
### Released under the GNU GPL ###
###########################################################
package smb_build::config_mk;
use smb_build::input;
use strict;
my %attribute_types = (
"NOPROTO" => "bool",
"REQUIRED_SUBSYSTEMS" => "list",
"OUTPUT_TYPE" => "string",
"INIT_OBJ_FILES" => "list",
"ADD_OBJ_FILES" => "list",
"OBJ_FILES" => "list",
"SUBSYSTEM" => "string",
"CFLAGS" => "list",
"CPPFLAGS" => "list",
"LDFLAGS" => "list",
"INSTALLDIR" => "string",
"LIBS" => "list",
"INIT_FUNCTION" => "string",
"MAJOR_VERSION" => "string",
"MINOR_VERSION" => "string",
"RELEASE_VERSION" => "string",
"ENABLE" => "bool",
"CMD" => "string",
"MANPAGE" => "string"
);
use vars qw(@parsed_files);
@parsed_files = ();
###########################################################
# The parsing function which parses the file
#
# $result = _parse_config_mk($filename)
#
# $filename - the path of the config.mk file
# which should be parsed
sub run_config_mk($$)
{
my ($input, $filename) = @_;
my $result;
my $linenum = -1;
my $infragment = 0;
my $section = "GLOBAL";
my $makefile = "";
push (@parsed_files, $filename);
open(CONFIG_MK, $filename) or die("Can't open `$filename'\n");
my @lines = <CONFIG_MK>;
close(CONFIG_MK);
my $line = "";
my $prev = "";
foreach (@lines) {
$linenum++;
# lines beginning with '#' are ignored
next if (/^\#.*$/);
if (/^(.*)\\$/) {
$prev .= $1;
next;
} else {
$line = "$prev$_";
$prev = "";
}
if ($line =~ /^\[([a-zA-Z0-9_:]+)\][\t ]*$/)
{
$section = $1;
$infragment = 0;
next;
}
# include
if ($line =~ /^include (.*)$/) {
$makefile .= run_config_mk($input, $1);
next;
}
# empty line
if ($line =~ /^[ \t]*$/) {
$section = "GLOBAL";
if ($infragment) { $makefile.="\n"; }
next;
}
# global stuff is considered part of the makefile
if ($section eq "GLOBAL") {
$makefile .= $line;
$infragment = 1;
next;
}
# Assignment
if ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/) {
$result->{$section}{$1}{VAL} = $2;
$result->{$section}{$1}{KEY} = $1;
next;
}
die("$filename:$linenum: Bad line while parsing $filename");
}
foreach my $section (keys %{$result}) {
my ($type, $name) = split(/::/, $section, 2);
$input->{$name}{NAME} = $name;
$input->{$name}{TYPE} = $type;
foreach my $key (values %{$result->{$section}}) {
$key->{VAL} = smb_build::input::strtrim($key->{VAL});
my $vartype = $attribute_types{$key->{KEY}};
if (not defined($vartype)) {
die("$filename:Unknown attribute $key->{KEY} with value $key->{VAL} in section $section");
}
if ($vartype eq "string") {
$input->{$name}{$key->{KEY}} = $key->{VAL};
} elsif ($vartype eq "list") {
$input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
} elsif ($vartype eq "bool") {
if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
}
$input->{$name}{$key->{KEY}} = $key->{VAL};
}
}
}
return $makefile;
}
1;
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