84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* actorcompiler.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef POST_ACTOR_COMPILER
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#ifndef FLOW_DEFINED_WAIT_AND_WAIT_NEXT
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#define FLOW_DEFINED_WAIT_AND_WAIT_NEXT
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// These should all be re-written by the actor compiler. We don't want to
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// accidentally call them from something that's not an actor. `wait` is such a
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// common identifier that `wait` calls outside ACTORs might accidentally
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// compile.
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template <class T>
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T wait(const Future<T>&) = delete;
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void wait(const Never&) = delete;
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template <class T>
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T waitNext(const FutureStream<T>&) = delete;
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#endif
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#endif
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#ifndef POST_ACTOR_COMPILER
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template <typename T>
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class Future;
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class Never;
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template <typename T>
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class FutureStream;
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// These are for intellisense to do proper type inferring, etc. They are no included at build time.
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#ifndef NO_INTELLISENSE
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#define ACTOR
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#define DESCR
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#define state
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#define UNCANCELLABLE
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#define choose if (1)
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#define when(...) for (__VA_ARGS__;;)
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template <class T>
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T wait(const Future<T>&);
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void wait(const Never&);
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template <class T>
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T waitNext(const FutureStream<T>&);
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#endif
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#endif
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#define loop while (true)
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#ifdef NO_INTELLISENSE
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#define THIS this
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#define THIS_ADDR uintptr_t(this)
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#else
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#define THIS nullptr
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#define THIS_ADDR uintptr_t(nullptr)
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#endif
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#ifdef _MSC_VER
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#pragma warning(disable : 4355) // 'this' : used in base member initializer list
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#endif
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// Currently, #ifdef can't be used inside actors, so define no-op versions of these valgrind
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// functions if valgrind is not defined
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#ifndef VALGRIND
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#define VALGRIND_MAKE_MEM_UNDEFINED(x, y)
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#define VALGRIND_MAKE_MEM_DEFINED(x, y)
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#define VALGRIND_CHECK_MEM_IS_DEFINED(x, y) 0
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#endif
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