merge @mattn's win-compatibility

doc/language/generator.rb

@@ -6,7 +6,10 @@ c_dir = File.dirname(__FILE__)
 MRUBY_ROOT = File.expand_path("#{c_dir}/../..")
 DOC_DIR = File.expand_path(c_dir)
 
-cmd = "#{DOC_DIR}/mrbdoc/mrbdoc.rb #{MRUBY_ROOT} #{DOC_DIR}"
-PTY.spawn(cmd) do |i,o,pid|
-  i.each { |l| print l }
+cmd = "ruby #{DOC_DIR}/mrbdoc/mrbdoc.rb #{MRUBY_ROOT} #{DOC_DIR} false"
+IO.popen(cmd, "r+") do |io|
+  io.close_write
+  while line = io.gets
+    puts line
+  end
 end

doc/language/mrbdoc/lib/mrbdoc_docu.rb

@@ -10,7 +10,7 @@ class MRBDoc
   private
 
   def write dir, cfg
-    File.open(File.expand_path('Core.md', dir), 'w+') do |io|
+    File.open(File.expand_path('Core.md', dir), 'wb+') do |io|
       print_core_classes(io, cfg)
       print_core_modules(io, cfg)
     end

doc/language/mrbdoc/mrbdoc.rb

@@ -8,6 +8,7 @@ require 'mrbdoc_docu'
 MRUBY_ROOT = ARGV[0]
 DOC_ROOT = ARGV[1]
 _WRITE_LINE_NO = ARGV[2]
+STDOUT.sync = true
 
 raise ArgumentError.new 'mruby root missing!' if MRUBY_ROOT.nil?
 raise ArgumentError.new 'doc root missing!' if DOC_ROOT.nil?