bin/expand.rb

   1 #!/usr/bin/env ruby
   2
   3 require 'yaml'
   4
   5 $availCmd = ENV["SDKROOT"] + "/usr/local/libexec/availability.pl";
   6
   7 def versionString(vers)
   8     uvers = ""
   9     if vers =~ /^(\d+)$/
  10         uvers = "#{$1}_0"
  11     elsif vers =~ /^(\d+).(\d+)$/
  12         uvers = "#{$1}_#{$2}"
  13     elsif vers =~ /^(\d+).(\d+).(\d+)$/
  14         if $3 == 0
  15             uvers = "#{$1}_#{$2}"
  16         else
  17             uvers = "#{$1}_#{$2}_#{$3}"
  18         end
  19     end
  20     uvers
  21 end
  22
  23 def versionHex(vers)
  24     major = 0;
  25     minor = 0;
  26     revision = 0;
  27
  28     if vers =~ /^(\d+)$/
  29         major = $1.to_i;
  30     elsif vers =~ /^(\d+).(\d+)$/
  31         major = $1.to_i;
  32         minor = $2.to_i;
  33     elsif vers =~ /^(\d+).(\d+).(\d+)$/
  34         major = $1.to_i;
  35         minor = $2.to_i;
  36         revision = $3.to_i;
  37     end
  38     "0x00#{major.to_s(16).rjust(2, '0')}#{minor.to_s(16).rjust(2, '0')}#{revision.to_s(16).rjust(2, '0')}"
  39 end
  40
  41 def expandVersions(prefix, arg)
  42     versionList = `#{$availCmd} #{arg}`.gsub(/\s+/m, ' ').strip.split(" ")
  43     versionList.each { |version|
  44         puts "#define #{prefix}#{versionString(version)}".ljust(48, ' ') + versionHex(version)
  45     }
  46 end
  47
  48 def expandPlatformVersions(prefix, platform, arg)
  49     versionList = `#{$availCmd} #{arg}`.gsub(/\s+/m, ' ').strip.split(" ")
  50     versionList.each { |version|
  51         puts "static dyld_build_version_t dyld_platform_version_#{prefix}_#{versionString(version)}".ljust(72, ' ') + "= { .platform = #{platform}, .version = #{versionHex(version)} };"
  52     }
  53 end
  54
  55 def versionSetsForOSes(versionSets, key, platform, target)
  56     puts "#if #{target}"
  57     versionSets.each { |k,v|
  58         puts "#define dyld_#{k}_os_versions dyld_platform_version_#{platform}_#{versionString(v[key].to_s)}"
  59     }
  60     puts "#endif /* #{target} */"
  61 end
  62
  63 def expandVersionSets()
  64     versionSets = YAML.load(`#{$availCmd} --sets`)
  65     versionSetsForOSes(versionSets, "macos", "macOS", "TARGET_OS_OSX")
  66     versionSetsForOSes(versionSets, "ios", "iOS", "TARGET_OS_IOS")
  67     versionSetsForOSes(versionSets, "tvos", "tvOS", "TARGET_OS_TV")
  68     versionSetsForOSes(versionSets, "watchos", "watchOS", "TARGET_OS_WATCH")
  69     versionSetsForOSes(versionSets, "bridgeos", "bridgeOS", "TARGET_OS_BRIDGE")
  70 end
  71
  72 ARGF.each do |line|
  73     if line =~ /^\/\/\@MAC_VERSION_DEFS\@$/
  74         expandVersions("DYLD_MACOSX_VERSION_", "--macosx")
  75     elsif line =~ /^\/\/\@IOS_VERSION_DEFS\@$/
  76         expandVersions("DYLD_IOS_VERSION_", "--ios")
  77     elsif line =~ /^\/\/\@WATCHOS_VERSION_DEFS\@$/
  78         expandVersions("DYLD_WATCHOS_VERSION_", "--watchos")
  79     elsif line =~ /^\/\/\@MACOS_PLATFORM_VERSION_DEFS\@$/
  80         expandPlatformVersions("macOS", "PLATFORM_MACOS", "--macosx")
  81     elsif line =~ /^\/\/\@IOS_PLATFORM_VERSION_DEFS\@$/
  82         expandPlatformVersions("iOS", "PLATFORM_IOS", "--ios")
  83     elsif line =~ /^\/\/\@WATCHOS_PLATFORM_VERSION_DEFS\@$/
  84         expandPlatformVersions("watchOS", "PLATFORM_WATCHOS", "--watchos")
  85     elsif line =~ /^\/\/\@TVOS_PLATFORM_VERSION_DEFS\@$/
  86         expandPlatformVersions("tvOS", "PLATFORM_TVOS", "--appletvos")
  87     elsif line =~ /^\/\/\@BRIDGEOS_PLATFORM_VERSION_DEFS\@$/
  88         expandPlatformVersions("bridgeOS", "PLATFORM_BRIDGEOS", "--bridgeos")
  89     elsif line =~ /^\/\/\@VERSION_SET_DEFS\@$/
  90         expandVersionSets()
  91     else
  92         puts line
  93     end
  94 end