MRuby::Gem::Specification.new ‘mruby-compiler’ do |spec|

spec.license = 'MIT'
spec.author  = 'mruby developers'
spec.summary = 'mruby compiler library'

current_dir = spec.dir
current_build_dir = spec.build_dir

lex_def = "#{current_dir}/core/lex.def"
core_objs = Dir.glob("#{current_dir}/core/*.c").map { |f|
  next nil if build.cxx_exception_enabled? and f =~ /(codegen).c$/
  objfile(f.pathmap("#{current_build_dir}/core/%n"))
}.compact

if build.cxx_exception_enabled?
  core_objs <<
    build.compile_as_cxx("#{current_build_dir}/core/y.tab.c", "#{current_build_dir}/core/y.tab.cxx",
                         objfile("#{current_build_dir}/y.tab"), ["#{current_dir}/core"]) <<
    build.compile_as_cxx("#{current_dir}/core/codegen.c", "#{current_build_dir}/core/codegen.cxx")
else
  core_objs << objfile("#{current_build_dir}/core/y.tab")
  file objfile("#{current_build_dir}/core/y.tab") => "#{current_build_dir}/core/y.tab.c" do |t|
    cc.run t.name, t.prerequisites.first, [], ["#{current_dir}/core"]
  end
end
file objfile("#{current_build_dir}/core/y.tab") => lex_def

# Parser
file "#{current_build_dir}/core/y.tab.c" => ["#{current_dir}/core/parse.y"] do |t|
  yacc.run t.name, t.prerequisites.first
end

# Lexical analyzer
file lex_def => "#{current_dir}/core/keywords" do |t|
  gperf.run t.name, t.prerequisites.first
end

file libfile("#{build.build_dir}/lib/libmruby_core") => core_objs
build.libmruby << core_objs

end