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-rw-r--r--ext/fiddle/closure.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/ext/fiddle/closure.c b/ext/fiddle/closure.c
index 48520997bc6..542d9783952 100644
--- a/ext/fiddle/closure.c
+++ b/ext/fiddle/closure.c
@@ -224,11 +224,55 @@ to_i(VALUE self)
void
Init_fiddle_closure()
{
+#if 0
+ mFiddle = rb_define_module("Fiddle"); /* let rdoc know about mFiddle */
+#endif
+
+ /*
+ * Document-class: Fiddle::Closure
+ *
+ * == Description
+ *
+ * An FFI closure wrapper, for handling callbacks.
+ *
+ * == Example
+ *
+ * closure = Class.new(Fiddle::Closure) {
+ * def call
+ * 10
+ * end
+ * }.new(Fiddle::TYPE_INT, [])
+ * => #<#<Class:0x0000000150d308>:0x0000000150d240>
+ * func = Fiddle::Function.new(closure, [], Fiddle::TYPE_INT)
+ * => #<Fiddle::Function:0x00000001516e58>
+ * func.call
+ * => 10
+ */
cFiddleClosure = rb_define_class_under(mFiddle, "Closure", rb_cObject);
rb_define_alloc_func(cFiddleClosure, allocate);
+ /*
+ * Document-method: new
+ *
+ * call-seq: new(ret, *args, abi = Fiddle::DEFAULT)
+ *
+ * Construct a new Closure object.
+ *
+ * * +ret+ is the C type to be returned
+ * * +args+ are passed the callback
+ * * +abi+ is the abi of the closure
+ *
+ * If there is an error in preparing the ffi_cif or ffi_prep_closure,
+ * then a RuntimeError will be raised.
+ */
rb_define_method(cFiddleClosure, "initialize", initialize, -1);
+
+ /*
+ * Document-method: to_i
+ *
+ * Returns the memory address for this closure
+ */
rb_define_method(cFiddleClosure, "to_i", to_i, 0);
}
/* vim: set noet sw=4 sts=4 */