source4/build/smb_build/config_mk.pm

   1 # Samba Build System
   2 # - config.mk parsing functions
   3 #
   4 #  Copyright (C) Stefan (metze) Metzmacher 2004
   5 #  Copyright (C) Jelmer Vernooij 2005
   6 #  Released under the GNU GPL
   7 #
   8
   9 package smb_build::config_mk;
  10 use smb_build::input;
  11 use File::Basename;
  12
  13 use strict;
  14
  15 my $section_types = {
  16         "EXT_LIB" => {
  17                 "LIBS"                  => "list",
  18                 "CFLAGS"                => "list",
  19                 "CPPFLAGS"              => "list",
  20                 "LDFLAGS"               => "list",
  21                 },
  22         "SUBSYSTEM" => {
  23                 "OBJ_FILES"             => "list",
  24
  25                 "REQUIRED_SUBSYSTEMS"   => "list",
  26
  27                 "ENABLE"                => "bool",
  28
  29                 "MANPAGE"               => "string",
  30
  31                 "PUBLIC_PROTO_HEADER"   => "string",
  32                 "PRIVATE_PROTO_HEADER"  => "string",
  33
  34                 "PUBLIC_HEADERS"        => "list",
  35
  36                 "EXTRA_CFLAGS"          => "string",
  37                 "STANDARD_VISIBILITY"   => "string"
  38                 },
  39         "MODULE" => {
  40                 "SUBSYSTEM"             => "string",
  41
  42                 "INIT_FUNCTION"         => "string",
  43                 "OBJ_FILES"             => "list",
  44
  45                 "REQUIRED_SUBSYSTEMS"   => "list",
  46
  47                 "ENABLE"                => "bool",
  48
  49                 "OUTPUT_TYPE"           => "string",
  50
  51                 "MANPAGE"               => "string",
  52                 "PRIVATE_PROTO_HEADER"  => "string",
  53
  54                 "EXTRA_CFLAGS"          => "string"
  55                 },
  56         "BINARY" => {
  57                 "OBJ_FILES"             => "list",
  58
  59                 "REQUIRED_SUBSYSTEMS"   => "list",
  60
  61                 "ENABLE"                => "bool",
  62
  63                 "MANPAGE"               => "string",
  64                 "INSTALLDIR"            => "string",
  65                 "PRIVATE_PROTO_HEADER"  => "string",
  66                 "PUBLIC_PROTO_HEADER"   => "string",
  67                 "PUBLIC_HEADERS"        => "list",
  68
  69                 "EXTRA_CFLAGS"          => "string"
  70                 },
  71         "LIBRARY" => {
  72                 "VERSION"               => "string",
  73                 "SO_VERSION"            => "string",
  74
  75                 "INIT_FUNCTION_TYPE"    => "string",
  76
  77                 "OBJ_FILES"             => "list",
  78
  79                 "DESCRIPTION"           => "string",
  80
  81                 "REQUIRED_SUBSYSTEMS"   => "list",
  82
  83                 "ENABLE"                => "bool",
  84
  85                 "MANPAGE"               => "string",
  86
  87                 "PUBLIC_HEADERS"        => "list",
  88
  89                 "PUBLIC_PROTO_HEADER"   => "string",
  90                 "PRIVATE_PROTO_HEADER"  => "string",
  91
  92                 "EXTRA_CFLAGS"          => "string",
  93                 "STANDARD_VISIBILITY"   => "string"
  94                 }
  95 };
  96
  97 use vars qw(@parsed_files);
  98
  99 @parsed_files = ();
 100
 101 ###########################################################
 102 # The parsing function which parses the file
 103 #
 104 # $result = _parse_config_mk($filename)
 105 #
 106 # $filename -   the path of the config.mk file
 107 #               which should be parsed
 108 sub run_config_mk($$$)
 109 {
 110         sub run_config_mk($$$);
 111         my ($input, $srcdir, $filename) = @_;
 112         my $result;
 113         my $linenum = -1;
 114         my $infragment = 0;
 115         my $section = "GLOBAL";
 116         my $makefile = "";
 117
 118         push (@parsed_files, $srcdir."/".$filename);
 119
 120         open(CONFIG_MK, $srcdir."/".$filename) or die("Can't open `$srcdir/$filename'\n");
 121         my @lines = <CONFIG_MK>;
 122         close(CONFIG_MK);
 123
 124         my $line = "";
 125         my $prev = "";
 126
 127         foreach (@lines) {
 128                 $linenum++;
 129
 130                 # lines beginning with '#' are ignored
 131                 next if (/^\#.*$/);
 132
 133                 if (/^(.*)\\$/) {
 134                         $prev .= $1;
 135                         next;
 136                 } else {
 137                         $line = "$prev$_";
 138                         $prev = "";
 139                 }
 140
 141                 if ($line =~ /^\[([a-zA-Z0-9_:]+)\][\t ]*$/)
 142                 {
 143                         $section = $1;
 144                         $infragment = 0;
 145                         next;
 146                 }
 147
 148                 # include
 149                 if ($line =~ /^include (.*)$/) {
 150                         $makefile .= run_config_mk($input, $srcdir, dirname($filename)."/$1");
 151                         next;
 152                 }
 153
 154                 # empty line
 155                 if ($line =~ /^[ \t]*$/) {
 156                         $section = "GLOBAL";
 157                         if ($infragment) { $makefile.="\n"; }
 158                         next;
 159                 }
 160
 161                 # global stuff is considered part of the makefile
 162                 if ($section eq "GLOBAL") {
 163                         if (!$infragment) { $makefile.="\n"; }
 164                         $makefile .= $line;
 165                         $infragment = 1;
 166                         next;
 167                 }
 168
 169
 170                 # Assignment
 171                 if ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/) {
 172                         $result->{$section}{$1}{VAL} = $2;
 173                         $result->{$section}{$1}{KEY} = $1;
 174
 175                         next;
 176                 }
 177
 178                 die("$srcdir."/".$filename:$linenum: Bad line while parsing $srcdir."/".$filename");
 179         }
 180
 181         foreach my $section (keys %{$result}) {
 182                 my ($type, $name) = split(/::/, $section, 2);
 183
 184                 my $sectype = $section_types->{$type};
 185                 if (not defined($sectype)) {
 186                         die($srcdir."/".$filename.":[".$section."] unknown section type \"".$type."\"!");
 187                 }
 188
 189                 $input->{$name}{NAME} = $name;
 190                 $input->{$name}{TYPE} = $type;
 191                 $input->{$name}{BASEDIR} = dirname($filename);
 192
 193                 foreach my $key (values %{$result->{$section}}) {
 194                         $key->{VAL} = smb_build::input::strtrim($key->{VAL});
 195                         my $vartype = $sectype->{$key->{KEY}};
 196                         if (not defined($vartype)) {
 197                                 die($srcdir."/".$filename.":[".$section."]: unknown attribute type \"$key->{KEY}\"!");
 198                         }
 199                         if ($vartype eq "string") {
 200                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 201                         } elsif ($vartype eq "list") {
 202                                 $input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
 203                         } elsif ($vartype eq "bool") {
 204                                 if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
 205                                         die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
 206                                 }
 207                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 208                         }
 209                 }
 210         }
 211
 212         return $makefile;
 213 }
 214
 215 1;