summaryrefslogtreecommitdiff
path: root/Source/cm_auto_ptr.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'Source/cm_auto_ptr.hxx')
-rw-r--r--Source/cm_auto_ptr.hxx220
1 files changed, 0 insertions, 220 deletions
diff --git a/Source/cm_auto_ptr.hxx b/Source/cm_auto_ptr.hxx
deleted file mode 100644
index 773602af9..000000000
--- a/Source/cm_auto_ptr.hxx
+++ /dev/null
@@ -1,220 +0,0 @@
-/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
- file Copyright.txt or https://cmake.org/licensing for details. */
-#ifndef CM_AUTO_PTR_HXX
-#define CM_AUTO_PTR_HXX
-
-#include "cmConfigure.h"
-
-#ifdef CMake_HAVE_CXX_AUTO_PTR
-
-#include <memory>
-#define CM_AUTO_PTR std::auto_ptr
-
-#else
-
-#define CM_AUTO_PTR cm::auto_ptr
-
-// The HP compiler cannot handle the conversions necessary to use
-// auto_ptr_ref to pass an auto_ptr returned from one function
-// directly to another function as in use_auto_ptr(get_auto_ptr()).
-// We instead use const_cast to achieve the syntax on those platforms.
-// We do not use const_cast on other platforms to maintain the C++
-// standard design and guarantee that if an auto_ptr is bound
-// to a reference-to-const then ownership will be maintained.
-#if defined(__HP_aCC)
-#define cm_AUTO_PTR_REF 0
-#define cm_AUTO_PTR_CONST const
-#define cm_AUTO_PTR_CAST(a) cast(a)
-#else
-#define cm_AUTO_PTR_REF 1
-#define cm_AUTO_PTR_CONST
-#define cm_AUTO_PTR_CAST(a) a
-#endif
-
-// In C++11, clang will warn about using dynamic exception specifications
-// as they are deprecated. But as this class is trying to faithfully
-// mimic std::auto_ptr, we want to keep the 'throw()' decorations below.
-// So we suppress the warning.
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated")
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated"
-#endif
-#endif
-
-namespace cm {
-
-template <class X>
-class auto_ptr;
-
-#if cm_AUTO_PTR_REF
-namespace detail {
-// The auto_ptr_ref template is supposed to be a private member of
-// auto_ptr but Borland 5.8 cannot handle it. Instead put it in
-// a private namespace.
-template <class Y>
-struct auto_ptr_ref
-{
- Y* p_;
-
- // The extra constructor argument prevents implicit conversion to
- // auto_ptr_ref from auto_ptr through the constructor. Normally
- // this should be done with the explicit keyword but Borland 5.x
- // generates code in the conversion operator to call itself
- // infinately.
- auto_ptr_ref(Y* p, int)
- : p_(p)
- {
- }
-};
-}
-#endif
-
-/** C++98 Standard Section 20.4.5 - Template class auto_ptr. */
-template <class X>
-class auto_ptr
-{
-#if !cm_AUTO_PTR_REF
- template <typename Y>
- static inline auto_ptr<Y>& cast(auto_ptr<Y> const& a)
- {
- return const_cast<auto_ptr<Y>&>(a);
- }
-#endif
-
- /** The pointer to the object held. */
- X* x_;
-
-public:
- /** The type of object held by the auto_ptr. */
- typedef X element_type;
-
- /** Construct from an auto_ptr holding a compatible object. This
- transfers ownership to the newly constructed auto_ptr. */
- template <class Y>
- auto_ptr(auto_ptr<Y> cm_AUTO_PTR_CONST& a) throw()
- : x_(cm_AUTO_PTR_CAST(a).release())
- {
- }
-
- /** Assign from an auto_ptr holding a compatible object. This
- transfers ownership to the left-hand-side of the assignment. */
- template <class Y>
- auto_ptr& operator=(auto_ptr<Y> cm_AUTO_PTR_CONST& a) throw() // NOLINT
- {
- this->reset(cm_AUTO_PTR_CAST(a).release());
- return *this; // NOLINT
- }
-
- /**
- * Explicitly construct from a raw pointer. This is typically
- * called with the result of operator new. For example:
- *
- * auto_ptr<X> ptr(new X());
- */
- explicit auto_ptr(X* p = CM_NULLPTR) throw()
- : x_(p)
- {
- }
-
- /** Construct from another auto_ptr holding an object of the same
- type. This transfers ownership to the newly constructed
- auto_ptr. */
- auto_ptr(auto_ptr cm_AUTO_PTR_CONST& a) throw()
- : x_(cm_AUTO_PTR_CAST(a).release())
- {
- }
-
- /** Assign from another auto_ptr holding an object of the same type.
- This transfers ownership to the newly constructed auto_ptr. */
- auto_ptr& operator=(auto_ptr cm_AUTO_PTR_CONST& a) throw() // NOLINT
- {
- this->reset(cm_AUTO_PTR_CAST(a).release());
- return *this; // NOLINT
- }
-
- /** Destruct and delete the object held. */
- ~auto_ptr() throw()
- {
- // Assume object destructor is nothrow.
- delete this->x_;
- }
-
- /** Dereference and return a reference to the object held. */
- X& operator*() const throw() { return *this->x_; }
-
- /** Return a pointer to the object held. */
- X* operator->() const throw() { return this->x_; }
-
- /** Return a pointer to the object held. */
- X* get() const throw() { return this->x_; }
-
- /** Return a pointer to the object held and reset to hold no object.
- This transfers ownership to the caller. */
- X* release() throw()
- {
- X* x = this->x_;
- this->x_ = CM_NULLPTR;
- return x;
- }
-
- /** Assume ownership of the given object. The object previously
- held is deleted. */
- void reset(X* p = 0) throw()
- {
- if (this->x_ != p) {
- // Assume object destructor is nothrow.
- delete this->x_;
- this->x_ = p;
- }
- }
-
- /** Convert to an auto_ptr holding an object of a compatible type.
- This transfers ownership to the returned auto_ptr. */
- template <class Y>
- operator auto_ptr<Y>() throw()
- {
- return auto_ptr<Y>(this->release());
- }
-
-#if cm_AUTO_PTR_REF
- /** Construct from an auto_ptr_ref. This is used when the
- constructor argument is a call to a function returning an
- auto_ptr. */
- auto_ptr(detail::auto_ptr_ref<X> r) throw()
- : x_(r.p_)
- {
- }
-
- /** Assign from an auto_ptr_ref. This is used when a function
- returning an auto_ptr is passed on the right-hand-side of an
- assignment. */
- auto_ptr& operator=(detail::auto_ptr_ref<X> r) throw()
- {
- this->reset(r.p_);
- return *this; // NOLINT
- }
-
- /** Convert to an auto_ptr_ref. This is used when a function
- returning an auto_ptr is the argument to the constructor of
- another auto_ptr. */
- template <class Y>
- operator detail::auto_ptr_ref<Y>() throw()
- {
- return detail::auto_ptr_ref<Y>(this->release(), 1);
- }
-#endif
-};
-
-} // namespace cm
-
-// Undo warning suppression.
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated")
-#pragma clang diagnostic pop
-#endif
-#endif
-
-#endif
-
-#endif