+2005-03-03 Paolo Carlini <pcarlini@suse.de>
+
+ * include/tr1/type_traits: Implemenet is_polymorphic.
+ (is_empty): Minor tweaks.
+ * testsuite/testsuite_tr1.h: Add test types.
+ * testsuite/tr1/4_metaprogramming/type_properties/
+ is_polymorphic/is_polymorphic.cc: New.
+ * testsuite/tr1/4_metaprogramming/type_properties/
+ is_polymorphic/typedefs.cc: Likewise.
+ * testsuite/tr1/4_metaprogramming/composite_type_traits/
+ is_union_or_class/is_union_or_class.cc: Add tests.
+
2005-03-02 Douglas Gregor <doug.gregor@gmail.com>
- * include/tr1/functional (_Has_result_type): Cleanup.
- (_Result_of_impl): Handle member data pointers correctly.
- (reference_wrapper): Support invocation.
- Move repetition code into new file include/tr1/repeat.h.
- * include/tr1/functional_iterate.h (reference_wrapper): Support
- invocation. Cleanup long lines.
- * include/tr1/ref_wrap_iterate.h (reference_wrapper): Declare
- invocation operators.
- * include/tr1/repeat.h: Code repetition header.
- * include/Makefile.am: Add ref_wrap_iterate.h, repeat.h
- * include/Makefile.in: Add ref_wrap_iterate.h, repeat.h
- * testsuite/tr1/3_function_objects/reference_wrapper/invoke.cc:
- New test of reference_wrapper invocation.
- * testsuite/tr1/3_function_objects/reference_wrapper/typedefs.cc:
- New test of reference_wrapper typedefs and base classes.
- * testsuite/tr1/3_function_objects/result_of.cc: Trivial cleanup
- (e-mail address).
+ * include/tr1/functional (_Has_result_type): Cleanup.
+ (_Result_of_impl): Handle member data pointers correctly.
+ (reference_wrapper): Support invocation.
+ Move repetition code into new file include/tr1/repeat.h.
+ * include/tr1/functional_iterate.h (reference_wrapper): Support
+ invocation. Cleanup long lines.
+ * include/tr1/ref_wrap_iterate.h (reference_wrapper): Declare
+ invocation operators.
+ * include/tr1/repeat.h: Code repetition header.
+ * include/Makefile.am: Add ref_wrap_iterate.h, repeat.h.
+ * include/Makefile.in: Add ref_wrap_iterate.h, repeat.h.
+ * testsuite/tr1/3_function_objects/reference_wrapper/invoke.cc:
+ New test of reference_wrapper invocation.
+ * testsuite/tr1/3_function_objects/reference_wrapper/typedefs.cc:
+ New test of reference_wrapper typedefs and base classes.
+ * testsuite/tr1/3_function_objects/result_of.cc: Trivial cleanup
+ (e-mail address).
2005-03-02 Douglas Gregor <doug.gregor@gmail.com>
- * include/tr1/function (result_of): New class template.
- * include/tr1/functional/iterator.h: Implementation of TR1
- result_of.
- * testsuite/tr1/3_function_objects/result_of.cc: New test
+ * include/tr1/function (result_of): New class template.
+ * include/tr1/functional/iterator.h: Implementation of TR1
+ result_of.
+ * testsuite/tr1/3_function_objects/result_of.cc: New test
2005-03-01 Vladimir Merzliakov <wanderer@rsu.ru>
{ };
// N.B. Without compiler support we cannot tell union from class types,
- // and is_empty doesn't work at all with the former.
+ // and is_empty and is_polymorphic don't work at all with the former.
template<typename _Tp, bool = !__is_union_or_class<_Tp>::value>
struct __is_empty_helper
{
private:
template<typename>
- struct __ebo_1 { };
+ struct __first { };
template<typename _Up>
- struct __ebo_2
+ struct __second
: public _Up { };
public:
- static const bool __value = sizeof(__ebo_1<_Tp>) == sizeof(__ebo_2<_Tp>);
+ static const bool __value = sizeof(__first<_Tp>) == sizeof(__second<_Tp>);
};
template<typename _Tp>
: public integral_constant<bool, __is_empty_helper<_Tp>::__value>
{ };
+ template<typename _Tp, bool = !__is_union_or_class<_Tp>::value>
+ struct __is_polymorphic_helper
+ {
+ private:
+ template<typename _Up>
+ struct __first
+ : public _Up { };
+ template<typename _Up>
+ struct __second
+ : public _Up
+ { virtual void __dummy(); };
+
+ public:
+ static const bool __value = sizeof(__first<_Tp>) == sizeof(__second<_Tp>);
+ };
+
+ template<typename _Tp>
+ struct __is_polymorphic_helper<_Tp, true>
+ { static const bool __value = false; };
+
+ template<typename _Tp>
+ struct is_polymorphic
+ : public integral_constant<bool, __is_polymorphic_helper<_Tp>::__value>
+ { };
+
// Exploit the resolution DR core/337.
template<typename _Tp, bool = !is_object<_Tp>::value>
struct __is_abstract_helper
class AbstractClass
{ virtual void rotate(int) = 0; };
+ class PolymorphicClass
+ { virtual void rotate(int); };
+
+ class DerivedPolymorphic : public PolymorphicClass { };
+
union UnionType { };
VERIFY( (test_category<__is_union_or_class, DerivedType>(true)) );
VERIFY( (test_category<__is_union_or_class, ConvType>(true)) );
VERIFY( (test_category<__is_union_or_class, AbstractClass>(true)) );
+ VERIFY( (test_category<__is_union_or_class, PolymorphicClass>(true)) );
+ VERIFY( (test_category<__is_union_or_class, DerivedPolymorphic>(true)) );
// Negative tests.
VERIFY( (test_category<__is_union_or_class, void>(false)) );
--- /dev/null
+// 2005-03-03 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2005 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 4.5.3 Type properties
+
+#include <tr1/type_traits>
+#include <iostream>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+ using std::tr1::is_polymorphic;
+ using namespace __gnu_test;
+
+ // Positive tests.
+ VERIFY( (test_category<is_polymorphic, PolymorphicClass>(true)) );
+ VERIFY( (test_category<is_polymorphic, DerivedPolymorphic>(true)) );
+ VERIFY( (test_category<is_polymorphic, AbstractClass>(true)) );
+ VERIFY( (test_category<is_polymorphic, std::iostream>(true)) );
+ VERIFY( (test_category<is_polymorphic, std::streambuf>(true)) );
+
+ // Negative tests.
+ VERIFY( (test_category<is_polymorphic, void>(false)) );
+ VERIFY( (test_category<is_polymorphic, int (int)>(false)) );
+ VERIFY( (test_category<is_polymorphic, int&>(false)) );
+ VERIFY( (test_category<is_polymorphic, EnumType>(false)) );
+ VERIFY( (test_category<is_polymorphic, ClassType>(false)) );
+ VERIFY( (test_category<is_polymorphic, DerivedType>(false)) );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
--- /dev/null
+// 2005-03-03 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2005 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+//
+// NB: This file is for testing tr1/type_traits with NO OTHER INCLUDES.
+
+#include <tr1/type_traits>
+
+// { dg-do compile }
+
+void test01()
+{
+ // Check for required typedefs
+ typedef std::tr1::is_polymorphic<int> test_type;
+ typedef test_type::value_type value_type;
+ typedef test_type::type type;
+ typedef test_type::type::value_type type_value_type;
+ typedef test_type::type::type type_type;
+}
git://gcc.gnu.org / gcc.git / commitdiff