4 files changed, 26 insertions, 0 deletions
diff --git a/lib/yard/mruby/code_objects/define_object.rb b/lib/yard/mruby/code_objects/define_object.rb
index 4220acd..b486c56 100644
--- a/lib/yard/mruby/code_objects/define_object.rb
+++ b/lib/yard/mruby/code_objects/define_object.rb
@@ -2,6 +2,9 @@ module YARD::MRuby::CodeObjects
 
   # A DefineObject represents a MRuby C API define macro declaration inside a header inside an include directory
   class DefineObject < HeaderBaseObject
+    def value
+      ""
+    end
   end
 end
 
diff --git a/lib/yard/mruby/code_objects/header_object.rb b/lib/yard/mruby/code_objects/header_object.rb
index 2e70230..ddfa5d9 100644
--- a/lib/yard/mruby/code_objects/header_object.rb
+++ b/lib/yard/mruby/code_objects/header_object.rb
@@ -7,6 +7,10 @@ module YARD::MRuby::CodeObjects
       children.find_all {|d| d.is_a?(FunctionObject) } 
     end
 
+    def defines
+      children.find_all {|d| d.is_a?(DefineObject) } 
+    end
+
     def path
       self.name
     end
diff --git a/templates/default/header/html/define_summary.erb b/templates/default/header/html/define_summary.erb
new file mode 100644
index 0000000..d4f28e8
--- /dev/null
+++ b/templates/default/header/html/define_summary.erb
@@ -0,0 +1,11 @@
+<% if define_listing.size > 0 %>
+  <h2>Define Summary</h2>
+  <dl class="constants">
+    <% define_listing.each do |define| %>
+      <dt id="<%= anchor_for(define) %>" class="<%= define.has_tag?(:deprecated) ? 'deprecated' : '' %>"><small>#define</small> <%= define.name %>
+        <%= yieldall :object => define %>
+      </dt>
+      <dd><pre class="code"><%#= format_constant define.value %></pre></dd>
+    <% end %>
+  </dl>
+<% end %>
diff --git a/templates/default/header/html/setup.rb b/templates/default/header/html/setup.rb
index 52eb81c..7ce1143 100644
--- a/templates/default/header/html/setup.rb
+++ b/templates/default/header/html/setup.rb
@@ -4,6 +4,7 @@ include YARD::MRuby::Templates::Helpers::HTMLHelper
 def init
   sections :header, :pre_docstring, T('docstring'), :includes,
     :function_summary, [:item_summary],
+    :define_summary, [T('docstring')],
     :function_details_list, [T('function_details')]
 end
 
@@ -15,3 +16,10 @@ def function_listing
   @funcs
 end
 
+def define_listing
+  return @defines if @defines
+
+  @defines = object.defines
+  puts @defines.inspect
+  @defines
+end