Support attributes

lib/ffi_generator/clang/cursor.rb

@@ -87,6 +87,10 @@ def spelling
         String.from_c(C.get_cursor_spelling(@c)).to_s
       end
 
+      def attribute?
+        C.is_attribute(kind) == 1
+      end
+
       def ==(other)
         other.is_a?(self.class) && C.equal_cursors(@c, other.c) == 1
       end

lib/ffi_generator/generators/from_c_generator/generator.rb

@@ -319,7 +319,17 @@ def read_struct_or_union_declaration(declaration_cursor, comment, name)
           last_nested_declaration = nil
           struct.fields << { name: field_name, type: field_type, comment: field_comment }
         else
-          raise
+          if child.attribute?
+            attr_name = child.extent.tokens.find { |token| token.kind == :identifier }
+            attr_value = child.extent.tokens.find { |token| token.kind == :literal }
+            if attr_name
+              struct.attributes[attr_name.spelling.to_sym] = attr_value ? attr_value.spelling : true
+            else
+              raise "Unexpected attribute item #{child}"
+            end
+          else
+            raise "Unrecognized item #{child.kind}"
+          end
         end
       end
 

lib/ffi_generator/generators/from_c_generator/struct_or_union.rb

@@ -3,7 +3,7 @@ class Generator
     class StructOrUnion < Type
 
       attr_accessor :writer, :name, :description
-      attr_reader :fields, :oo_functions, :written
+      attr_reader :fields, :attributes, :oo_functions, :written
 
       def initialize(generator, name, is_union)
         @generator = generator
@@ -12,6 +12,7 @@ def initialize(generator, name, is_union)
         @is_union = is_union
         @description = []
         @fields = []
+        @attributes = {}
         @oo_functions = []
         @written = false
       end