generate the documents with rdoc

## How to generate the documents

$ sudo gem install bundler
$ bundle install
$ rake rdoc

.gitignore

@@ -15,6 +15,8 @@ doc/.yardoc
 doc/*.html
 doc/docset
 
+rdoc/
+
 lib/motion/version.rb
 
 pkg/*.pkg

Gemfile

@@ -0,0 +1,3 @@
+source :rubygems
+
+gem "rdoc", :github => "Watson1978/rdoc", :branch => "macruby"

Gemfile.lock

@@ -0,0 +1,18 @@
+GIT
+  remote: git://github.com/Watson1978/rdoc.git
+  revision: 872efa77c63aaafe56755c0d2de3f60286cddf12
+  branch: macruby
+  specs:
+    rdoc (3.12.20121024213649)
+      json (~> 1.4)
+
+GEM
+  remote: http://rubygems.org/
+  specs:
+    json (1.7.5)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rdoc!

Rakefile

@@ -166,3 +166,22 @@ task :upload do
   AWS::S3::S3Object.store('rubymotion/releases/Latest', PROJECT_VERSION, WEBSITE_BUCKET_NAME)
   puts "Done!"
 end
+
+desc "Generate Documents with rdoc"
+task :rdoc do
+  require 'fileutils'
+  OUTPUT_DIR = "rdoc"
+  TARGETS = %w{
+    array.c bignum.c class.c compar.c complex.c dir.c encoding.c enum.c
+    enumerator.c env.c error.c eval.c eval_error.c eval_jump.c eval_safe.c
+    file.c hash.c io.c kernel.c load.c marshal.c math.c numeric.c object.c
+    pack.c proc.c process.c random.c range.c rational.c re.c 
+    signal.c sprintf.c string.c struct.c symbol.c thread.c time.c 
+    transcode.c ucnv.c util.c variable.c vm_eval.c vm_method.c
+    NSArray.m NSDictionary.m NSString.m bridgesupport.cpp gcd.c objc.m
+  }
+  files = TARGETS.map{ |x| "vm/#{x}" }.join(" ")
+
+  FileUtils.rm_rf OUTPUT_DIR
+  sh "bundle exec rdoc #{files} --op #{OUTPUT_DIR}"
+end