glib/makegalias.pl

   1 #!/usr/bin/perl -w
   2
   3 my $do_def = 0;
   4
   5 if (($#ARGV >= 0) && ($ARGV[0] eq "-def")) {
   6     shift;
   7     $do_def = 1;
   8 }
   9
  10 print <<EOF;
  11 /* Generated by makegalias.pl */
  12
  13 #ifndef DISABLE_VISIBILITY
  14
  15 #include "glibconfig.h"
  16
  17 #ifdef G_HAVE_GNUC_VISIBILITY
  18
  19 EOF
  20
  21 if ($do_def) {
  22     print <<EOF
  23 #undef IN_FILE
  24 #define IN_FILE defined
  25
  26 #undef IN_HEADER
  27 #define IN_HEADER(x) 1
  28
  29 EOF
  30 }
  31 else {
  32     print <<EOF
  33 #define IN_FILE(x) 1
  34 #define IN_HEADER defined
  35
  36 EOF
  37 }
  38
  39 my $in_comment = 0;
  40 my $in_skipped_section = 0;
  41
  42 while (<>) {
  43
  44   # ignore empty lines
  45   next if /^\s*$/;
  46
  47   # skip comments
  48   if ($_ =~ /^\s*\/\*/)
  49   {
  50       $in_comment = 1;
  51   }
  52
  53   if ($in_comment)
  54   {
  55       if ($_ =~  /\*\/\s$/)
  56       {
  57           $in_comment = 0;
  58       }
  59
  60       next;
  61   }
  62
  63   # handle ifdefs
  64   if ($_ =~ /^\#endif/)
  65   {
  66       if (!$in_skipped_section)
  67       {
  68           print $_;
  69       }
  70
  71       $in_skipped_section = 0;
  72
  73       next;
  74   }
  75
  76   if ($_ =~ /^\#ifdef\s+(INCLUDE_VARIABLES|INCLUDE_INTERNAL_SYMBOLS|ALL_FILES)/)
  77   {
  78       $in_skipped_section = 1;
  79   }
  80
  81   if ($in_skipped_section)
  82   {
  83       next;
  84   }
  85
  86   if ($_ =~ /^\#ifn?def\s+(G|DISABLE_MEM_POOLS)/)
  87   {
  88       print $_;
  89
  90       next;
  91   }
  92
  93   if ($_ =~ /^\#if.*(G_STDIO_NO_WRAP_ON_UNIX|IN_FILE|IN_HEADER|IN_FILE)/)
  94   {
  95       print $_;
  96
  97       next;
  98   }
  99
 100   chop;
 101   my $str = $_;
 102   my @words;
 103   my $attributes = "";
 104
 105   @words = split(/ /, $str);
 106   $str = shift(@words);
 107   chomp($str);
 108   my $alias = "IA__".$str;
 109
 110   # Drop any Win32 specific .def file syntax,  but keep attributes
 111   foreach $word (@words) {
 112       $attributes = "$attributes $word" unless $word eq "PRIVATE";
 113   }
 114
 115   if (!$do_def) {
 116     print <<EOF
 117 extern __typeof ($str) $alias __attribute((visibility("hidden")))$attributes;
 118 \#define $str $alias
 119
 120 EOF
 121   }
 122   else {
 123     print <<EOF
 124 \#undef $str
 125 extern __typeof ($str) $str __attribute((alias("$alias"), visibility("default")));
 126
 127 EOF
 128   }
 129 }
 130
 131 print <<EOF
 132
 133 #endif /* G_HAVE_GNUC_VISIBILITY */
 134 #endif /* DISABLE_VISIBILITY */
 135 EOF
 136