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Diffstat (limited to 'googletest/include/gtest/internal/gtest-tuple.h.pump')
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diff --git a/googletest/include/gtest/internal/gtest-tuple.h.pump b/googletest/include/gtest/internal/gtest-tuple.h.pump new file mode 100644 index 0000000..bb626e0 --- /dev/null +++ b/googletest/include/gtest/internal/gtest-tuple.h.pump @@ -0,0 +1,348 @@ +$$ -*- mode: c++; -*- +$var n = 10 $$ Maximum number of tuple fields we want to support. +$$ This meta comment fixes auto-indentation in Emacs. }} +// Copyright 2009 Google Inc. +// All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +// Implements a subset of TR1 tuple needed by Google Test and Google Mock. + +// GOOGLETEST_CM0001 DO NOT DELETE + +#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TUPLE_H_ +#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TUPLE_H_ + +#include <utility> // For ::std::pair. + +// The compiler used in Symbian has a bug that prevents us from declaring the +// tuple template as a friend (it complains that tuple is redefined). This +// bypasses the bug by declaring the members that should otherwise be +// private as public. +// Sun Studio versions < 12 also have the above bug. +#if defined(__SYMBIAN32__) || (defined(__SUNPRO_CC) && __SUNPRO_CC < 0x590) +# define GTEST_DECLARE_TUPLE_AS_FRIEND_ public: +#else +# define GTEST_DECLARE_TUPLE_AS_FRIEND_ \ + template <GTEST_$(n)_TYPENAMES_(U)> friend class tuple; \ + private: +#endif + +// Visual Studio 2010, 2012, and 2013 define symbols in std::tr1 that conflict +// with our own definitions. Therefore using our own tuple does not work on +// those compilers. +#if defined(_MSC_VER) && _MSC_VER >= 1600 /* 1600 is Visual Studio 2010 */ +# error "gtest's tuple doesn't compile on Visual Studio 2010 or later. \ +GTEST_USE_OWN_TR1_TUPLE must be set to 0 on those compilers." +#endif + + +$range i 0..n-1 +$range j 0..n +$range k 1..n +// GTEST_n_TUPLE_(T) is the type of an n-tuple. +#define GTEST_0_TUPLE_(T) tuple<> + +$for k [[ +$range m 0..k-1 +$range m2 k..n-1 +#define GTEST_$(k)_TUPLE_(T) tuple<$for m, [[T##$m]]$for m2 [[, void]]> + +]] + +// GTEST_n_TYPENAMES_(T) declares a list of n typenames. + +$for j [[ +$range m 0..j-1 +#define GTEST_$(j)_TYPENAMES_(T) $for m, [[typename T##$m]] + + +]] + +// In theory, defining stuff in the ::std namespace is undefined +// behavior. We can do this as we are playing the role of a standard +// library vendor. +namespace std { +namespace tr1 { + +template <$for i, [[typename T$i = void]]> +class tuple; + +// Anything in namespace gtest_internal is Google Test's INTERNAL +// IMPLEMENTATION DETAIL and MUST NOT BE USED DIRECTLY in user code. +namespace gtest_internal { + +// ByRef<T>::type is T if T is a reference; otherwise it's const T&. +template <typename T> +struct ByRef { typedef const T& type; }; // NOLINT +template <typename T> +struct ByRef<T&> { typedef T& type; }; // NOLINT + +// A handy wrapper for ByRef. +#define GTEST_BY_REF_(T) typename ::std::tr1::gtest_internal::ByRef<T>::type + +// AddRef<T>::type is T if T is a reference; otherwise it's T&. This +// is the same as tr1::add_reference<T>::type. +template <typename T> +struct AddRef { typedef T& type; }; // NOLINT +template <typename T> +struct AddRef<T&> { typedef T& type; }; // NOLINT + +// A handy wrapper for AddRef. +#define GTEST_ADD_REF_(T) typename ::std::tr1::gtest_internal::AddRef<T>::type + +// A helper for implementing get<k>(). +template <int k> class Get; + +// A helper for implementing tuple_element<k, T>. kIndexValid is true +// iff k < the number of fields in tuple type T. +template <bool kIndexValid, int kIndex, class Tuple> +struct TupleElement; + + +$for i [[ +template <GTEST_$(n)_TYPENAMES_(T)> +struct TupleElement<true, $i, GTEST_$(n)_TUPLE_(T) > { + typedef T$i type; +}; + + +]] +} // namespace gtest_internal + +template <> +class tuple<> { + public: + tuple() {} + tuple(const tuple& /* t */) {} + tuple& operator=(const tuple& /* t */) { return *this; } +}; + + +$for k [[ +$range m 0..k-1 +template <GTEST_$(k)_TYPENAMES_(T)> +class $if k < n [[GTEST_$(k)_TUPLE_(T)]] $else [[tuple]] { + public: + template <int k> friend class gtest_internal::Get; + + tuple() : $for m, [[f$(m)_()]] {} + + explicit tuple($for m, [[GTEST_BY_REF_(T$m) f$m]]) : [[]] +$for m, [[f$(m)_(f$m)]] {} + + tuple(const tuple& t) : $for m, [[f$(m)_(t.f$(m)_)]] {} + + template <GTEST_$(k)_TYPENAMES_(U)> + tuple(const GTEST_$(k)_TUPLE_(U)& t) : $for m, [[f$(m)_(t.f$(m)_)]] {} + +$if k == 2 [[ + template <typename U0, typename U1> + tuple(const ::std::pair<U0, U1>& p) : f0_(p.first), f1_(p.second) {} + +]] + + tuple& operator=(const tuple& t) { return CopyFrom(t); } + + template <GTEST_$(k)_TYPENAMES_(U)> + tuple& operator=(const GTEST_$(k)_TUPLE_(U)& t) { + return CopyFrom(t); + } + +$if k == 2 [[ + template <typename U0, typename U1> + tuple& operator=(const ::std::pair<U0, U1>& p) { + f0_ = p.first; + f1_ = p.second; + return *this; + } + +]] + + GTEST_DECLARE_TUPLE_AS_FRIEND_ + + template <GTEST_$(k)_TYPENAMES_(U)> + tuple& CopyFrom(const GTEST_$(k)_TUPLE_(U)& t) { + +$for m [[ + f$(m)_ = t.f$(m)_; + +]] + return *this; + } + + +$for m [[ + T$m f$(m)_; + +]] +}; + + +]] +// 6.1.3.2 Tuple creation functions. + +// Known limitations: we don't support passing an +// std::tr1::reference_wrapper<T> to make_tuple(). And we don't +// implement tie(). + +inline tuple<> make_tuple() { return tuple<>(); } + +$for k [[ +$range m 0..k-1 + +template <GTEST_$(k)_TYPENAMES_(T)> +inline GTEST_$(k)_TUPLE_(T) make_tuple($for m, [[const T$m& f$m]]) { + return GTEST_$(k)_TUPLE_(T)($for m, [[f$m]]); +} + +]] + +// 6.1.3.3 Tuple helper classes. + +template <typename Tuple> struct tuple_size; + + +$for j [[ +template <GTEST_$(j)_TYPENAMES_(T)> +struct tuple_size<GTEST_$(j)_TUPLE_(T) > { + static const int value = $j; +}; + + +]] +template <int k, class Tuple> +struct tuple_element { + typedef typename gtest_internal::TupleElement< + k < (tuple_size<Tuple>::value), k, Tuple>::type type; +}; + +#define GTEST_TUPLE_ELEMENT_(k, Tuple) typename tuple_element<k, Tuple >::type + +// 6.1.3.4 Element access. + +namespace gtest_internal { + + +$for i [[ +template <> +class Get<$i> { + public: + template <class Tuple> + static GTEST_ADD_REF_(GTEST_TUPLE_ELEMENT_($i, Tuple)) + Field(Tuple& t) { return t.f$(i)_; } // NOLINT + + template <class Tuple> + static GTEST_BY_REF_(GTEST_TUPLE_ELEMENT_($i, Tuple)) + ConstField(const Tuple& t) { return t.f$(i)_; } +}; + + +]] +} // namespace gtest_internal + +template <int k, GTEST_$(n)_TYPENAMES_(T)> +GTEST_ADD_REF_(GTEST_TUPLE_ELEMENT_(k, GTEST_$(n)_TUPLE_(T))) +get(GTEST_$(n)_TUPLE_(T)& t) { + return gtest_internal::Get<k>::Field(t); +} + +template <int k, GTEST_$(n)_TYPENAMES_(T)> +GTEST_BY_REF_(GTEST_TUPLE_ELEMENT_(k, GTEST_$(n)_TUPLE_(T))) +get(const GTEST_$(n)_TUPLE_(T)& t) { + return gtest_internal::Get<k>::ConstField(t); +} + +// 6.1.3.5 Relational operators + +// We only implement == and !=, as we don't have a need for the rest yet. + +namespace gtest_internal { + +// SameSizeTuplePrefixComparator<k, k>::Eq(t1, t2) returns true if the +// first k fields of t1 equals the first k fields of t2. +// SameSizeTuplePrefixComparator(k1, k2) would be a compiler error if +// k1 != k2. +template <int kSize1, int kSize2> +struct SameSizeTuplePrefixComparator; + +template <> +struct SameSizeTuplePrefixComparator<0, 0> { + template <class Tuple1, class Tuple2> + static bool Eq(const Tuple1& /* t1 */, const Tuple2& /* t2 */) { + return true; + } +}; + +template <int k> +struct SameSizeTuplePrefixComparator<k, k> { + template <class Tuple1, class Tuple2> + static bool Eq(const Tuple1& t1, const Tuple2& t2) { + return SameSizeTuplePrefixComparator<k - 1, k - 1>::Eq(t1, t2) && + ::std::tr1::get<k - 1>(t1) == ::std::tr1::get<k - 1>(t2); + } +}; + +} // namespace gtest_internal + +template <GTEST_$(n)_TYPENAMES_(T), GTEST_$(n)_TYPENAMES_(U)> +inline bool operator==(const GTEST_$(n)_TUPLE_(T)& t, + const GTEST_$(n)_TUPLE_(U)& u) { + return gtest_internal::SameSizeTuplePrefixComparator< + tuple_size<GTEST_$(n)_TUPLE_(T) >::value, + tuple_size<GTEST_$(n)_TUPLE_(U) >::value>::Eq(t, u); +} + +template <GTEST_$(n)_TYPENAMES_(T), GTEST_$(n)_TYPENAMES_(U)> +inline bool operator!=(const GTEST_$(n)_TUPLE_(T)& t, + const GTEST_$(n)_TUPLE_(U)& u) { return !(t == u); } + +// 6.1.4 Pairs. +// Unimplemented. + +} // namespace tr1 +} // namespace std + + +$for j [[ +#undef GTEST_$(j)_TUPLE_ + +]] + + +$for j [[ +#undef GTEST_$(j)_TYPENAMES_ + +]] + +#undef GTEST_DECLARE_TUPLE_AS_FRIEND_ +#undef GTEST_BY_REF_ +#undef GTEST_ADD_REF_ +#undef GTEST_TUPLE_ELEMENT_ + +#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TUPLE_H_ |