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/*
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* Copyright 2017 Google
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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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#ifndef FIRMessaging_xcodeproj_FIRMessagingDefines_h
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#define FIRMessaging_xcodeproj_FIRMessagingDefines_h
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// WEAKIFY & STRONGIFY
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// Helper macro.
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#define _FIRMessaging_WEAKNAME(VAR) VAR##_weak_
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#define FIRMessaging_WEAKIFY(VAR) __weak __typeof__(VAR) _FIRMessaging_WEAKNAME(VAR) = (VAR);
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#define FIRMessaging_STRONGIFY(VAR) \
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_Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wshadow\"") \
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__strong __typeof__(VAR) VAR = _FIRMessaging_WEAKNAME(VAR); \
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_Pragma("clang diagnostic pop")
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#ifndef _FIRMessaging_UL
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#define _FIRMessaging_UL(v) (unsigned long)(v)
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#endif
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#endif
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// Invalidates the initializer from which it's called.
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#ifndef FIRMessagingInvalidateInitializer
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#define FIRMessagingInvalidateInitializer() \
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do { \
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[self class]; /* Avoid warning of dead store to |self|. */ \
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NSAssert(NO, @"Invalid initializer."); \
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return nil; \
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} while (0)
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#endif
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