felipealmeida pushed a commit to branch master.
http://git.enlightenment.org/core/efl.git/commit/?id=96d3af10bf199c4a8f563503a663a0890fa1ec84
commit 96d3af10bf199c4a8f563503a663a0890fa1ec84
Author: Felipe Magno de Almeida <fel...@expertisesolutions.com.br>
Date: Thu Sep 28 17:48:04 2017 -0300
eolian-cxx: Add optional parameter to lambda for unnamed proxy instantiation
---
src/bindings/cxx/eo_cxx/eo_cxx_interop.hh | 34 ++++++++++++++++++++-----
src/lib/eolian_cxx/grammar/class_definition.hpp | 8 +++---
src/tests/eolian_cxx/eolian_cxx_test_binding.cc | 6 ++++-
3 files changed, 36 insertions(+), 12 deletions(-)
diff --git a/src/bindings/cxx/eo_cxx/eo_cxx_interop.hh
b/src/bindings/cxx/eo_cxx/eo_cxx_interop.hh
index 2f9b6382b3..d77bcf21e0 100644
--- a/src/bindings/cxx/eo_cxx/eo_cxx_interop.hh
+++ b/src/bindings/cxx/eo_cxx/eo_cxx_interop.hh
@@ -830,10 +830,12 @@ T convert_to_return(U& object)
}
/// Miscellaneous
-template <typename T, typename Enable = void>
-struct is_callable : std::false_type {};
-template <typename T>
-struct is_callable<T, decltype(std::declval<T>() ())> : std::true_type {};
+template <typename T, typename U, typename Enable = void>
+struct is_constructor_lambda : std::false_type {};
+template <typename T, typename U>
+struct is_constructor_lambda<T, U, decltype(std::declval<T>() ())> :
std::true_type {};
+template <typename T, typename U>
+struct is_constructor_lambda<T, U, decltype(std::declval<T>()
(std::declval<U>()))> : std::true_type {};
template <typename P>
inline void do_eo_add(Eo*& object, P const& parent
@@ -843,12 +845,30 @@ inline void do_eo_add(Eo*& object, P const& parent
object = ::_efl_add_internal_start(__FILE__, __LINE__, klass,
parent._eo_ptr(), EINA_TRUE, EINA_FALSE);
object = ::_efl_add_end(object, EINA_FALSE, EINA_FALSE);
}
-template <typename P, typename F>
-void do_eo_add(Eo*& object, P const& parent, Efl_Class const* klass, F f
+
+template <typename T>
+struct void_t { typedef void type; };
+
+template <typename F, typename U>
+auto call_lambda(F&& f, U&) -> typename void_t<decltype(f())>::type
+{
+ f();
+}
+
+template <typename F, typename U>
+auto call_lambda(F&& f, U& object) -> typename
void_t<decltype(f(object))>::type
+{
+ f(object);
+}
+
+template <typename P, typename F, typename U>
+void do_eo_add(Eo*& object, P const& parent, Efl_Class const* klass
+ , U& proxy
+ , F&& f
, typename std::enable_if<
eo::is_eolian_object<P>::value>::type* = 0)
{
object = ::_efl_add_internal_start(__FILE__, __LINE__, klass,
parent._eo_ptr(), EINA_TRUE, EINA_FALSE);
- f();
+ ::efl::eolian::call_lambda(std::forward<F>(f), proxy);
object = ::_efl_add_end(object, EINA_FALSE, EINA_FALSE);
}
diff --git a/src/lib/eolian_cxx/grammar/class_definition.hpp
b/src/lib/eolian_cxx/grammar/class_definition.hpp
index 71808a3a48..326ef23578 100644
--- a/src/lib/eolian_cxx/grammar/class_definition.hpp
+++ b/src/lib/eolian_cxx/grammar/class_definition.hpp
@@ -69,13 +69,13 @@ struct class_definition_generator
<< scope_tab << "{\n"
<< scope_tab << scope_tab << "::efl::eolian::do_eo_add(
::efl::eo::concrete::_eo_raw, parent, _eo_class());\n"
<< scope_tab << "}\n"
- << scope_tab << "template <typename F> " << string << "(
::efl::eo::instantiate_t, F f, typename ::std::enable_if<
::efl::eolian::is_callable<F>::value>::type* = 0)\n"
+ << scope_tab << "template <typename F> " << string << "(
::efl::eo::instantiate_t, F&& f, typename ::std::enable_if<
::efl::eolian::is_constructor_lambda<F, " << string << " >::value>::type* =
0)\n"
<< scope_tab << "{\n"
- << scope_tab << scope_tab << "::efl::eolian::do_eo_add(
::efl::eo::concrete::_eo_raw, ::efl::eo::concrete{nullptr}, _eo_class(), f);\n"
+ << scope_tab << scope_tab << "::efl::eolian::do_eo_add(
::efl::eo::concrete::_eo_raw, ::efl::eo::concrete{nullptr}, _eo_class(), *this,
std::forward<F>(f));\n"
<< scope_tab << "}\n"
- << scope_tab << "template <typename T, typename F> " << string << "(
::efl::eo::instantiate_t, T&& parent, F f, typename ::std::enable_if<
::efl::eolian::is_callable<F>::value &&
::efl::eo::is_eolian_object<T>::value>::type* = 0)\n"
+ << scope_tab << "template <typename T, typename F> " << string << "(
::efl::eo::instantiate_t, T&& parent, F&& f, typename ::std::enable_if<
::efl::eolian::is_constructor_lambda<F, " << string << " >::value &&
::efl::eo::is_eolian_object<T>::value>::type* = 0)\n"
<< scope_tab << "{\n"
- << scope_tab << scope_tab << "::efl::eolian::do_eo_add(
::efl::eo::concrete::_eo_raw, parent, _eo_class(), f);\n"
+ << scope_tab << scope_tab << "::efl::eolian::do_eo_add(
::efl::eo::concrete::_eo_raw, parent, _eo_class(), *this,
std::forward<F>(f));\n"
<< scope_tab << "}\n"
// << scope_tab << "explicit " << string << "( ::efl::eo::concrete
const& parent)\n"
// << scope_tab << scope_tab << ": ::efl::eo::concrete(
::efl::eo::do_eo_add(parent)) {}\n"
diff --git a/src/tests/eolian_cxx/eolian_cxx_test_binding.cc
b/src/tests/eolian_cxx/eolian_cxx_test_binding.cc
index 90f880e319..ead856268d 100644
--- a/src/tests/eolian_cxx/eolian_cxx_test_binding.cc
+++ b/src/tests/eolian_cxx/eolian_cxx_test_binding.cc
@@ -66,7 +66,11 @@ START_TEST(eolian_cxx_test_type_generation)
{
efl::eo::eo_init eo_init;
- name1::name2::Type_Generation g(efl::eo::instantiate);
+ name1::name2::Type_Generation g1(efl::eo::instantiate);
+ name1::name2::Type_Generation g2(efl::eo::instantiate
+ , [] {});
+ name1::name2::Type_Generation g3(efl::eo::instantiate
+ , [] (name1::name2::Type_Generation) {});
}
END_TEST
--
