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                 "NOPROTO"               => "bool",
  29
  30                 "MANPAGE"               => "string",
  31
  32                 "PUBLIC_PROTO_HEADER"   => "string",
  33                 "PRIVATE_PROTO_HEADER"  => "string",
  34
  35                 "PUBLIC_HEADERS"        => "list",
  36
  37                 "EXTRA_CFLAGS"          => "string",
  38                 "STANDARD_VISIBILITY"   => "string"
  39                 },
  40         "MODULE" => {
  41                 "SUBSYSTEM"             => "string",
  42
  43                 "INIT_FUNCTION"         => "string",
  44                 "OBJ_FILES"             => "list",
  45
  46                 "REQUIRED_SUBSYSTEMS"   => "list",
  47
  48                 "ENABLE"                => "bool",
  49                 "NOPROTO"               => "bool",
  50
  51                 "OUTPUT_TYPE"           => "string",
  52
  53                 "MANPAGE"               => "string",
  54                 "PRIVATE_PROTO_HEADER"  => "string",
  55
  56                 "EXTRA_CFLAGS"          => "string"
  57                 },
  58         "BINARY" => {
  59                 "OBJ_FILES"             => "list",
  60
  61                 "REQUIRED_SUBSYSTEMS"   => "list",
  62
  63                 "ENABLE"                => "bool",
  64                 "NOPROTO"               => "bool",
  65
  66                 "MANPAGE"               => "string",
  67                 "INSTALLDIR"            => "string",
  68                 "PRIVATE_PROTO_HEADER"  => "string",
  69                 "PUBLIC_HEADERS"        => "string",
  70
  71                 "EXTRA_CFLAGS"          => "string"
  72                 },
  73         "LIBRARY" => {
  74                 "VERSION"               => "string",
  75                 "SO_VERSION"            => "string",
  76
  77                 "INIT_FUNCTION_TYPE"    => "string",
  78
  79                 "OBJ_FILES"             => "list",
  80
  81                 "DESCRIPTION"           => "string",
  82
  83                 "REQUIRED_SUBSYSTEMS"   => "list",
  84
  85                 "ENABLE"                => "bool",
  86                 "NOPROTO"               => "bool",
  87
  88                 "MANPAGE"               => "string",
  89
  90                 "PUBLIC_HEADERS"        => "list",
  91
  92                 "PUBLIC_PROTO_HEADER"   => "string",
  93                 "PRIVATE_PROTO_HEADER"  => "string",
  94
  95                 "EXTRA_CFLAGS"          => "string",
  96                 "STANDARD_VISIBILITY"   => "string"
  97                 }
  98 };
  99
 100 use vars qw(@parsed_files);
 101
 102 @parsed_files = ();
 103
 104 ###########################################################
 105 # The parsing function which parses the file
 106 #
 107 # $result = _parse_config_mk($filename)
 108 #
 109 # $filename -   the path of the config.mk file
 110 #               which should be parsed
 111 sub run_config_mk($$$)
 112 {
 113         sub run_config_mk($$$);
 114         my ($input, $srcdir, $filename) = @_;
 115         my $result;
 116         my $linenum = -1;
 117         my $infragment = 0;
 118         my $section = "GLOBAL";
 119         my $makefile = "";
 120
 121         push (@parsed_files, $srcdir."/".$filename);
 122
 123         open(CONFIG_MK, $srcdir."/".$filename) or die("Can't open `$srcdir/$filename'\n");
 124         my @lines = <CONFIG_MK>;
 125         close(CONFIG_MK);
 126
 127         my $line = "";
 128         my $prev = "";
 129
 130         foreach (@lines) {
 131                 $linenum++;
 132
 133                 # lines beginning with '#' are ignored
 134                 next if (/^\#.*$/);
 135
 136                 if (/^(.*)\\$/) {
 137                         $prev .= $1;
 138                         next;
 139                 } else {
 140                         $line = "$prev$_";
 141                         $prev = "";
 142                 }
 143
 144                 if ($line =~ /^\[([a-zA-Z0-9_:]+)\][\t ]*$/)
 145                 {
 146                         $section = $1;
 147                         $infragment = 0;
 148                         next;
 149                 }
 150
 151                 # include
 152                 if ($line =~ /^include (.*)$/) {
 153                         $makefile .= run_config_mk($input, $srcdir, dirname($filename)."/$1");
 154                         next;
 155                 }
 156
 157                 # empty line
 158                 if ($line =~ /^[ \t]*$/) {
 159                         $section = "GLOBAL";
 160                         if ($infragment) { $makefile.="\n"; }
 161                         next;
 162                 }
 163
 164                 # global stuff is considered part of the makefile
 165                 if ($section eq "GLOBAL") {
 166                         if (!$infragment) { $makefile.="\n"; }
 167                         $makefile .= $line;
 168                         $infragment = 1;
 169                         next;
 170                 }
 171
 172
 173                 # Assignment
 174                 if ($line =~ /^([a-zA-Z0-9_]+)[\t ]*=(.*)$/) {
 175                         $result->{$section}{$1}{VAL} = $2;
 176                         $result->{$section}{$1}{KEY} = $1;
 177
 178                         next;
 179                 }
 180
 181                 die("$srcdir."/".$filename:$linenum: Bad line while parsing $srcdir."/".$filename");
 182         }
 183
 184         foreach my $section (keys %{$result}) {
 185                 my ($type, $name) = split(/::/, $section, 2);
 186
 187                 my $sectype = $section_types->{$type};
 188                 if (not defined($sectype)) {
 189                         die($srcdir."/".$filename.":[".$section."] unknown section type \"".$type."\"!");
 190                 }
 191
 192                 $input->{$name}{NAME} = $name;
 193                 $input->{$name}{TYPE} = $type;
 194                 $input->{$name}{BASEDIR} = dirname($filename);
 195
 196                 foreach my $key (values %{$result->{$section}}) {
 197                         $key->{VAL} = smb_build::input::strtrim($key->{VAL});
 198                         my $vartype = $sectype->{$key->{KEY}};
 199                         if (not defined($vartype)) {
 200                                 die($srcdir."/".$filename.":[".$section."]: unknown attribute type \"$key->{KEY}\"!");
 201                         }
 202                         if ($vartype eq "string") {
 203                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 204                         } elsif ($vartype eq "list") {
 205                                 $input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
 206                         } elsif ($vartype eq "bool") {
 207                                 if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
 208                                         die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
 209                                 }
 210                                 $input->{$name}{$key->{KEY}} = $key->{VAL};
 211                         }
 212                 }
 213         }
 214
 215         return $makefile;
 216 }
 217
 218 1;