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------------------------------------------------------------------------ r308996 | gornishanov | 2017-07-25 11:01:49 -0700 (Tue, 25 Jul 2017) | 9 lines [coroutines] Add serialization/deserialization of coroutines Reviewers: rsmith Reviewed By: rsmith Subscribers: EricWF, cfe-commits Differential Revision: https://reviews.llvm.org/D35383 ------------------------------------------------------------------------ llvm-svn: 309954
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// Test this without pch. | ||
// RUN: %clang_cc1 -include %s -verify -std=c++1z -fcoroutines-ts %s | ||
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// Test with pch. | ||
// RUN: %clang_cc1 -std=c++1z -fcoroutines-ts -emit-pch -o %t %s | ||
// RUN: %clang_cc1 -include-pch %t -verify -std=c++1z -fcoroutines-ts %s | ||
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#ifndef HEADER | ||
#define HEADER | ||
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namespace std::experimental { | ||
template <typename... T> struct coroutine_traits; | ||
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template <class Promise = void> struct coroutine_handle { | ||
coroutine_handle() = default; | ||
static coroutine_handle from_address(void *) noexcept; | ||
}; | ||
template <> struct coroutine_handle<void> { | ||
static coroutine_handle from_address(void *) noexcept; | ||
coroutine_handle() = default; | ||
template <class PromiseType> | ||
coroutine_handle(coroutine_handle<PromiseType>) noexcept; | ||
}; | ||
} | ||
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struct suspend_always { | ||
bool await_ready() noexcept; | ||
void await_suspend(std::experimental::coroutine_handle<>) noexcept; | ||
void await_resume() noexcept; | ||
}; | ||
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template <typename... Args> struct std::experimental::coroutine_traits<void, Args...> { | ||
struct promise_type { | ||
void get_return_object() noexcept; | ||
suspend_always initial_suspend() noexcept; | ||
suspend_always final_suspend() noexcept; | ||
void return_void() noexcept; | ||
suspend_always yield_value(int) noexcept; | ||
promise_type(); | ||
~promise_type() noexcept; | ||
void unhandled_exception() noexcept; | ||
}; | ||
}; | ||
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template <typename... Args> struct std::experimental::coroutine_traits<int, Args...> { | ||
struct promise_type { | ||
int get_return_object() noexcept; | ||
suspend_always initial_suspend() noexcept; | ||
suspend_always final_suspend() noexcept; | ||
void return_value(int) noexcept; | ||
promise_type(); | ||
~promise_type() noexcept; | ||
void unhandled_exception() noexcept; | ||
}; | ||
}; | ||
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template <typename T> | ||
void f(T x) { // checks coawait_expr and coroutine_body_stmt | ||
co_yield 42; // checks coyield_expr | ||
co_await x; // checks dependent_coawait | ||
co_return; // checks coreturn_stmt | ||
} | ||
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template <typename T> | ||
int f2(T x) { // checks coawait_expr and coroutine_body_stmt | ||
co_return x; // checks coreturn_stmt with expr | ||
} | ||
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#else | ||
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// expected-no-diagnostics | ||
void g() { | ||
f(suspend_always{}); | ||
f2(42); | ||
} | ||
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#endif |