added files via upload

Tweaks/FLEX/Utility/Runtime/Objc/Reflection/FLEXBlockDescription.h

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+//
+//  FLEXBlockDescription.h
+//  FLEX
+//
+//  Created by Oliver Letterer on 2012-09-01
+//  Forked from CTObjectiveCRuntimeAdditions (MIT License)
+//  https://github.com/ebf/CTObjectiveCRuntimeAdditions
+//
+//  Copyright (c) 2020 FLEX Team-EDV Beratung Föllmer GmbH
+//  Permission is hereby granted, free of charge, to any person obtaining a copy of this
+//  software and associated documentation files (the "Software"), to deal in the Software
+//  without restriction, including without limitation the rights to use, copy, modify, merge,
+//  publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+//  to whom the Software is furnished to do so, subject to the following conditions:
+//  The above copyright notice and this permission notice shall be included in all copies or
+//  substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+//  BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+//  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+typedef NS_OPTIONS(NSUInteger, FLEXBlockOptions) {
+   FLEXBlockOptionHasCopyDispose = (1 << 25),
+   FLEXBlockOptionHasCtor        = (1 << 26), // helpers have C++ code
+   FLEXBlockOptionIsGlobal       = (1 << 28),
+   FLEXBlockOptionHasStret       = (1 << 29), // IFF BLOCK_HAS_SIGNATURE
+   FLEXBlockOptionHasSignature   = (1 << 30),
+};
+
+NS_ASSUME_NONNULL_BEGIN
+
+#pragma mark -
+@interface FLEXBlockDescription : NSObject
+
++ (instancetype)describing:(id)block;
+
+@property (nonatomic, readonly, nullable) NSMethodSignature *signature;
+@property (nonatomic, readonly, nullable) NSString *signatureString;
+@property (nonatomic, readonly, nullable) NSString *sourceDeclaration;
+@property (nonatomic, readonly) FLEXBlockOptions flags;
+@property (nonatomic, readonly) NSUInteger size;
+@property (nonatomic, readonly) NSString *summary;
+@property (nonatomic, readonly) id block;
+
+- (BOOL)isCompatibleForBlockSwizzlingWithMethodSignature:(NSMethodSignature *)methodSignature;
+
+@end
+
+#pragma mark -
+@interface NSBlock : NSObject
+- (void)invoke;
+@end
+
+NS_ASSUME_NONNULL_END