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// Copyright Oliver Kowalke 2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_COROUTINES2_DETAIL_PULL_COROUTINE_IPP
#define BOOST_COROUTINES2_DETAIL_PULL_COROUTINE_IPP
#include <algorithm>
#include <utility>
#include <boost/assert.hpp>
#include <boost/config.hpp>
#include <boost/coroutine2/detail/config.hpp>
#include <boost/coroutine2/detail/create_control_block.ipp>
#include <boost/coroutine2/detail/disable_overload.hpp>
#include <boost/coroutine2/fixedsize_stack.hpp>
#include <boost/coroutine2/segmented_stack.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace coroutines2 {
namespace detail {
// pull_coroutine< T >
template< typename T >
pull_coroutine< T >::pull_coroutine( control_block * cb) noexcept :
cb_{ cb } {
}
template< typename T >
bool
pull_coroutine< T >::has_result_() const noexcept {
return nullptr != cb_->other->t;
}
template< typename T >
template< typename Fn,
typename
>
pull_coroutine< T >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
template< typename T >
template< typename StackAllocator, typename Fn >
pull_coroutine< T >::pull_coroutine( StackAllocator salloc, Fn && fn) :
cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
if ( ! cb_->valid() ) {
cb_->deallocate();
cb_ = nullptr;
}
}
template< typename T >
pull_coroutine< T >::~pull_coroutine() {
if ( nullptr != cb_) {
cb_->deallocate();
}
}
template< typename T >
pull_coroutine< T >::pull_coroutine( pull_coroutine && other) noexcept :
cb_{ other.cb_ } {
other.cb_ = nullptr;
}
template< typename T >
pull_coroutine< T > &
pull_coroutine< T >::operator()() {
cb_->resume();
return * this;
}
template< typename T >
pull_coroutine< T >::operator bool() const noexcept {
return nullptr != cb_ && cb_->valid();
}
template< typename T >
bool
pull_coroutine< T >::operator!() const noexcept {
return nullptr == cb_ || ! cb_->valid();
}
template< typename T >
T
pull_coroutine< T >::get() noexcept {
return std::move( cb_->get() );
}
// pull_coroutine< T & >
template< typename T >
pull_coroutine< T & >::pull_coroutine( control_block * cb) noexcept :
cb_{ cb } {
}
template< typename T >
bool
pull_coroutine< T & >::has_result_() const noexcept {
return nullptr != cb_->other->t;
}
template< typename T >
template< typename Fn,
typename
>
pull_coroutine< T & >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
template< typename T >
template< typename StackAllocator, typename Fn >
pull_coroutine< T & >::pull_coroutine( StackAllocator salloc, Fn && fn) :
cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
if ( ! cb_->valid() ) {
cb_->deallocate();
cb_ = nullptr;
}
}
template< typename T >
pull_coroutine< T & >::~pull_coroutine() {
if ( nullptr != cb_) {
cb_->deallocate();
}
}
template< typename T >
pull_coroutine< T & >::pull_coroutine( pull_coroutine && other) noexcept :
cb_{ other.cb_ } {
other.cb_ = nullptr;
}
template< typename T >
pull_coroutine< T & > &
pull_coroutine< T & >::operator()() {
cb_->resume();
return * this;
}
template< typename T >
pull_coroutine< T & >::operator bool() const noexcept {
return nullptr != cb_ && cb_->valid();
}
template< typename T >
bool
pull_coroutine< T & >::operator!() const noexcept {
return nullptr == cb_ || ! cb_->valid();
}
template< typename T >
T &
pull_coroutine< T & >::get() noexcept {
return cb_->get();
}
// pull_coroutine< void >
inline
pull_coroutine< void >::pull_coroutine( control_block * cb) noexcept :
cb_{ cb } {
}
template< typename Fn,
typename
>
pull_coroutine< void >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
template< typename StackAllocator, typename Fn >
pull_coroutine< void >::pull_coroutine( StackAllocator salloc, Fn && fn) :
cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
if ( ! cb_->valid() ) {
cb_->deallocate();
cb_ = nullptr;
}
}
inline
pull_coroutine< void >::~pull_coroutine() {
if ( nullptr != cb_) {
cb_->deallocate();
}
}
inline
pull_coroutine< void >::pull_coroutine( pull_coroutine && other) noexcept :
cb_{ other.cb_ } {
other.cb_ = nullptr;
}
inline
pull_coroutine< void > &
pull_coroutine< void >::operator()() {
cb_->resume();
return * this;
}
inline
pull_coroutine< void >::operator bool() const noexcept {
return nullptr != cb_ && cb_->valid();
}
inline
bool
pull_coroutine< void >::operator!() const noexcept {
return nullptr == cb_ || ! cb_->valid();
}
}}}
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_COROUTINES2_DETAIL_PULL_COROUTINE_IPP
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