Swiftgram/Source/Base/ASAssert.h
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2017-04-24 16:59:57 -07:00

85 lines
5.9 KiB
Objective-C

//
// ASAssert.h
// Texture
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#pragma once
#import <Foundation/NSException.h>
#import <pthread.h>
#define ASDISPLAYNODE_ASSERTIONS_ENABLED (!defined(NS_BLOCK_ASSERTIONS))
/**
* Note: In some cases it would be sufficient to do e.g.:
* ASDisplayNodeAssert(...) NSAssert(__VA_ARGS__)
* but we prefer not to, because we want to match the autocomplete behavior of NSAssert.
* The construction listed above does not show the user what arguments are required and what are optional.
*/
#define ASDisplayNodeAssert(condition, desc, ...) NSAssert(condition, desc, ##__VA_ARGS__)
#define ASDisplayNodeCAssert(condition, desc, ...) NSCAssert(condition, desc, ##__VA_ARGS__)
#define ASDisplayNodeAssertNil(condition, desc, ...) ASDisplayNodeAssert((condition) == nil, desc, ##__VA_ARGS__)
#define ASDisplayNodeCAssertNil(condition, desc, ...) ASDisplayNodeCAssert((condition) == nil, desc, ##__VA_ARGS__)
#define ASDisplayNodeAssertNotNil(condition, desc, ...) ASDisplayNodeAssert((condition) != nil, desc, ##__VA_ARGS__)
#define ASDisplayNodeCAssertNotNil(condition, desc, ...) ASDisplayNodeCAssert((condition) != nil, desc, ##__VA_ARGS__)
#define ASDisplayNodeAssertImplementedBySubclass() ASDisplayNodeAssert(NO, @"This method must be implemented by subclass %@", [self class]);
#define ASDisplayNodeAssertNotInstantiable() ASDisplayNodeAssert(NO, nil, @"This class is not instantiable.");
#define ASDisplayNodeAssertNotSupported() ASDisplayNodeAssert(NO, nil, @"This method is not supported by class %@", [self class]);
#define ASDisplayNodeAssertMainThread() ASDisplayNodeAssert(0 != pthread_main_np(), @"This method must be called on the main thread")
#define ASDisplayNodeCAssertMainThread() ASDisplayNodeCAssert(0 != pthread_main_np(), @"This function must be called on the main thread")
#define ASDisplayNodeAssertNotMainThread() ASDisplayNodeAssert(0 == pthread_main_np(), @"This method must be called off the main thread")
#define ASDisplayNodeCAssertNotMainThread() ASDisplayNodeCAssert(0 == pthread_main_np(), @"This function must be called off the main thread")
#define ASDisplayNodeAssertFlag(X, desc, ...) ASDisplayNodeAssert((1 == __builtin_popcount(X)), desc, ##__VA_ARGS__)
#define ASDisplayNodeCAssertFlag(X, desc, ...) ASDisplayNodeCAssert((1 == __builtin_popcount(X)), desc, ##__VA_ARGS__)
#define ASDisplayNodeAssertTrue(condition) ASDisplayNodeAssert((condition), @"Expected %s to be true.", #condition)
#define ASDisplayNodeCAssertTrue(condition) ASDisplayNodeCAssert((condition), @"Expected %s to be true.", #condition)
#define ASDisplayNodeAssertFalse(condition) ASDisplayNodeAssert(!(condition), @"Expected %s to be false.", #condition)
#define ASDisplayNodeCAssertFalse(condition) ASDisplayNodeCAssert(!(condition), @"Expected %s to be false.", #condition)
#define ASDisplayNodeFailAssert(desc, ...) ASDisplayNodeAssert(NO, desc, ##__VA_ARGS__)
#define ASDisplayNodeCFailAssert(desc, ...) ASDisplayNodeCAssert(NO, desc, ##__VA_ARGS__)
#define ASDisplayNodeConditionalAssert(shouldTestCondition, condition, desc, ...) ASDisplayNodeAssert((!(shouldTestCondition) || (condition)), desc, ##__VA_ARGS__)
#define ASDisplayNodeConditionalCAssert(shouldTestCondition, condition, desc, ...) ASDisplayNodeCAssert((!(shouldTestCondition) || (condition)), desc, ##__VA_ARGS__)
#define ASDisplayNodeCAssertPositiveReal(description, num) ASDisplayNodeCAssert(num >= 0 && num <= CGFLOAT_MAX, @"%@ must be a real positive integer.", description)
#define ASDisplayNodeCAssertInfOrPositiveReal(description, num) ASDisplayNodeCAssert(isinf(num) || (num >= 0 && num <= CGFLOAT_MAX), @"%@ must be infinite or a real positive integer.", description)
#define ASDisplayNodeErrorDomain @"ASDisplayNodeErrorDomain"
#define ASDisplayNodeNonFatalErrorCode 1
#define ASDisplayNodeAssertNonFatal(condition, desc, ...) \
ASDisplayNodeAssert(condition, desc, ##__VA_ARGS__); \
if (condition == NO) { \
ASDisplayNodeNonFatalErrorBlock block = [ASDisplayNode nonFatalErrorBlock]; \
if (block != nil) { \
NSDictionary *userInfo = nil; \
if (desc.length > 0) { \
userInfo = @{ NSLocalizedDescriptionKey : desc }; \
} \
NSError *error = [NSError errorWithDomain:ASDisplayNodeErrorDomain code:ASDisplayNodeNonFatalErrorCode userInfo:userInfo]; \
block(error); \
} \
}