third-party/mruby/mrbgems/mruby-compiler/mrbgem.rake

   1 MRuby::Gem::Specification.new 'mruby-compiler' do |spec|
   2   spec.license = 'MIT'
   3   spec.author  = 'mruby developers'
   4   spec.summary = 'mruby compiler library'
   5
   6   lex_def = "#{dir}/core/lex.def"
   7   core_objs = Dir.glob("#{dir}/core/*.c").map { |f|
   8     next nil if build.cxx_exception_enabled? and f =~ /(codegen).c$/
   9     objfile(f.pathmap("#{build_dir}/core/%n"))
  10   }.compact
  11
  12   if build.cxx_exception_enabled?
  13     core_objs <<
  14       build.compile_as_cxx("#{dir}/core/y.tab.c", "#{build_dir}/core/y.tab.cxx",
  15                            objfile("#{build_dir}/y.tab"), ["#{dir}/core"]) <<
  16       build.compile_as_cxx("#{dir}/core/codegen.c", "#{build_dir}/core/codegen.cxx")
  17   else
  18     core_objs << objfile("#{build_dir}/core/y.tab")
  19     file objfile("#{build_dir}/core/y.tab") => "#{dir}/core/y.tab.c" do |t|
  20       cc.run t.name, t.prerequisites.first, [], ["#{dir}/core"]
  21     end
  22   end
  23
  24   # Parser
  25   file "#{dir}/core/y.tab.c" => ["#{dir}/core/parse.y", lex_def] do |t|
  26     yacc.run t.name, t.prerequisites.first
  27     content = File.read(t.name).gsub(/^#line +\d+ +"\K.*$/){$&.relative_path}
  28     File.write(t.name, content)
  29   end
  30
  31   # Lexical analyzer
  32   file lex_def => "#{dir}/core/keywords" do |t|
  33     gperf.run t.name, t.prerequisites.first
  34   end
  35
  36   file build.libmruby_core_static => core_objs
  37   build.libmruby << core_objs
  38 end