support typedef documentation

cf. #2

* add TypedefObject
* add TypedefHandler for parser
* generate Typedef documents in C header files

5 files changed, 45 insertions, 0 deletions

diff --git a/lib/yard/mruby/code_objects.rb b/lib/yard/mruby/code_objects.rb
index bd41cef..324c1dd 100644
--- a/lib/yard/mruby/code_objects.rb
+++ b/lib/yard/mruby/code_objects.rb
@@ -3,3 +3,4 @@ require_relative 'code_objects/header_base_object'
 require_relative 'code_objects/header_object'
 require_relative 'code_objects/function_object'
 require_relative 'code_objects/define_object'
+require_relative 'code_objects/typedef_object'
diff --git a/lib/yard/mruby/code_objects/header_object.rb b/lib/yard/mruby/code_objects/header_object.rb
index ddfa5d9..2f9e7e4 100644
--- a/lib/yard/mruby/code_objects/header_object.rb
+++ b/lib/yard/mruby/code_objects/header_object.rb
@@ -11,6 +11,10 @@ module YARD::MRuby::CodeObjects
       children.find_all {|d| d.is_a?(DefineObject) } 
     end
 
+    def typedefs
+      children.find_all {|d| d.is_a?(TypedefObject) }
+    end
+
     def path
       self.name
     end
diff --git a/lib/yard/mruby/code_objects/typedef_object.rb b/lib/yard/mruby/code_objects/typedef_object.rb
new file mode 100644
index 0000000..ce7561b
--- /dev/null
+++ b/lib/yard/mruby/code_objects/typedef_object.rb
@@ -0,0 +1,8 @@
+module YARD::MRuby::CodeObjects
+
+  # A TypedefObject represents a MRuby C API typedef declaration inside a header inside an include directory
+  class TypedefObject < HeaderBaseObject
+  end
+end
+
+
diff --git a/lib/yard/mruby/handlers/c/header.rb b/lib/yard/mruby/handlers/c/header.rb
index 9c955f2..5eff7cb 100644
--- a/lib/yard/mruby/handlers/c/header.rb
+++ b/lib/yard/mruby/handlers/c/header.rb
@@ -2,3 +2,4 @@ require_relative 'header/base'
 require_relative 'header/function_handler'
 require_relative 'header/define_handler'
 require_relative 'header/header_decl_handler'
+require_relative 'header/typedef_handler'
diff --git a/lib/yard/mruby/handlers/c/header/typedef_handler.rb b/lib/yard/mruby/handlers/c/header/typedef_handler.rb
new file mode 100644
index 0000000..b6166f9
--- /dev/null
+++ b/lib/yard/mruby/handlers/c/header/typedef_handler.rb
@@ -0,0 +1,31 @@
+module YARD::MRuby::Handlers::C::Header
+  class TypedefHandler < Base
+    MATCH = /
+      typedef
+      (\s+(\*)?([A-Za-z0-9_\*]+))+
+      ;
+    /mx
+
+
+    handles MATCH
+    statement_class ToplevelStatement
+
+    process do
+      handle_typedef(statement)
+    end
+
+    def handle_typedef(statement)
+      header = self.header(statement.file)
+
+      statement.source.scan(MATCH) do |match|
+      name = match.last
+        register TypedefObject.new(header, name) do |obj|
+          if statement.comments
+            register_docstring(obj, statement.comments.source, statement)
+          end
+        end
+      end
+
+    end
+  end
+end