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Merge branch 'develop'

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This commit is contained in:
Oliver Kowalke 2015-09-18 21:24:19 +02:00
commit bf4014a0c4
4 changed files with 105 additions and 13 deletions
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4
example/Jamfile.v2
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@ -47,3 +47,7 @@ exe parser
exe segmented
: segmented.cpp
;
exe chained
: chained.cpp
;

70
example/chained.cpp Normal file
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@ -0,0 +1,70 @@
// 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)
#include <cstdlib>
#include <iostream>
#include <boost/coroutine2/all.hpp>
template<typename coroutine>
struct test
{
using pull_type = typename coroutine::pull_type;
using push_type = typename coroutine::push_type;
pull_type * child = nullptr;
void start_child_coroutine()
{
child = new pull_type
(
[](push_type & yield)
{
std::cout << "2";
yield();
std::cout << "2";
yield();
std::cout << "2";
yield();
std::cout << "2";
yield();
std::cout << "2";
yield();
std::cout << "2";
}
);
}
pull_type start_parent_coroutine()
{
return pull_type
(
[this](push_type & yield)
{
std::cout << "1";
start_child_coroutine();
yield();
std::cout << "1";
}
);
}
test()
{
auto parent = start_parent_coroutine();
while (*child)
{
(*child)();
}
std::cout << std::endl;
}
};
int main() {
test<boost::coroutines2::coroutine<void>> t2;
std::cout << "Done" << std::endl;
}

15
include/boost/coroutine2/detail/pull_control_block.ipp
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@ -52,12 +52,13 @@ pull_coroutine< T >::control_block::control_block( context::preallocated palloc,
// set termination flags
state |= static_cast< int >( state_t::complete);
// jump back to caller
caller( preserve_fpu);
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "pull_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except() {
// enter coroutine-fn in order to have first value available after ctor returns
callee( preserve_fpu);
}
@ -84,7 +85,7 @@ pull_coroutine< T >::control_block::~control_block() {
template< typename T >
void
pull_coroutine< T >::control_block::resume() {
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
if ( except) {
std::rethrow_exception( except);
@ -128,12 +129,13 @@ pull_coroutine< T & >::control_block::control_block( context::preallocated pallo
// set termination flags
state |= static_cast< int >( state_t::complete);
// jump back to caller
caller( preserve_fpu);
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "pull_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except() {
// enter coroutine-fn in order to have first value available after ctor returns
callee( preserve_fpu);
}
@ -160,7 +162,7 @@ pull_coroutine< T & >::control_block::~control_block() {
template< typename T >
void
pull_coroutine< T & >::control_block::resume() {
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
if ( except) {
std::rethrow_exception( except);
@ -203,12 +205,13 @@ pull_coroutine< void >::control_block::control_block( context::preallocated pall
// set termination flags
state |= static_cast< int >( state_t::complete);
// jump back to caller
caller( preserve_fpu);
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "pull_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except() {
// enter coroutine-fn in order to have first value available after ctor returns
callee( preserve_fpu);
}
@ -235,7 +238,7 @@ pull_coroutine< void >::control_block::~control_block() {
inline
void
pull_coroutine< void >::control_block::resume() {
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
if ( except) {
std::rethrow_exception( except);

29
include/boost/coroutine2/detail/push_control_block.ipp
View File

@ -41,6 +41,8 @@ push_coroutine< T >::control_block::control_block( context::preallocated palloc,
typename pull_coroutine< T >::control_block synthesized_cb( this);
pull_coroutine< T > synthesized( & synthesized_cb);
other = & synthesized_cb;
// jump back to ctor
caller( preserve_fpu);
try {
// call coroutine-fn with synthesized pull_coroutine as argument
fn( synthesized);
@ -52,13 +54,16 @@ push_coroutine< T >::control_block::control_block( context::preallocated palloc,
}
// set termination flags
state |= static_cast< int >( state_t::complete);
caller( preserve_fpu);
// jump back to caller
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "push_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except(),
t( nullptr) {
// enter coroutine-fn in order to get other set
callee( preserve_fpu);
}
template< typename T >
@ -89,7 +94,7 @@ push_coroutine< T >::control_block::resume( T const& t_) {
// pass an pointer (address of tmp) to other context
T tmp( t_);
t = & tmp;
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
t = nullptr;
if ( except) {
@ -108,7 +113,7 @@ push_coroutine< T >::control_block::resume( T && t_) {
// pass an pointer (address of tmp) to other context
T tmp( std::move( t_) );
t = & tmp;
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
t = nullptr;
if ( except) {
@ -141,6 +146,8 @@ push_coroutine< T & >::control_block::control_block( context::preallocated pallo
typename pull_coroutine< T & >::control_block synthesized_cb( this);
pull_coroutine< T & > synthesized( & synthesized_cb);
other = & synthesized_cb;
// jump back to ctor
caller( preserve_fpu);
try {
// call coroutine-fn with synthesized pull_coroutine as argument
fn( synthesized);
@ -152,13 +159,16 @@ push_coroutine< T & >::control_block::control_block( context::preallocated pallo
}
// set termination flags
state |= static_cast< int >( state_t::complete);
caller( preserve_fpu);
// jump back to caller
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "push_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except(),
t( nullptr) {
// enter coroutine-fn in order to get other set
callee( preserve_fpu);
}
template< typename T >
@ -186,7 +196,7 @@ template< typename T >
void
push_coroutine< T & >::control_block::resume( T & t_) {
t = & t_;
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
t = nullptr;
if ( except) {
@ -217,6 +227,8 @@ push_coroutine< void >::control_block::control_block( context::preallocated pall
typename pull_coroutine< void >::control_block synthesized_cb( this);
pull_coroutine< void > synthesized( & synthesized_cb);
other = & synthesized_cb;
// jump back to ctor
caller( preserve_fpu);
try {
// call coroutine-fn with synthesized pull_coroutine as argument
fn( synthesized);
@ -228,12 +240,15 @@ push_coroutine< void >::control_block::control_block( context::preallocated pall
}
// set termination flags
state |= static_cast< int >( state_t::complete);
caller( preserve_fpu);
// jump back to caller
other->callee( preserve_fpu);
BOOST_ASSERT_MSG( false, "push_coroutine is complete");
}),
preserve_fpu( preserve_fpu_),
state( static_cast< int >( state_t::unwind) ),
except() {
// enter coroutine-fn in order to get other set
callee( preserve_fpu);
}
inline
@ -259,7 +274,7 @@ push_coroutine< void >::control_block::~control_block() {
inline
void
push_coroutine< void >::control_block::resume() {
caller = boost::context::execution_context::current();
other->callee = boost::context::execution_context::current();
callee( preserve_fpu);
if ( except) {
std::rethrow_exception( except);