From 367f4454b649a354372f2eb1a6e23605e417f52f Mon Sep 17 00:00:00 2001 From: DreamPiggy Date: Mon, 18 Mar 2019 18:46:42 +0800 Subject: [PATCH] Add the private @weakify @strongify @onExit macros to simplify the code in implementation files --- SDWebImage.xcodeproj/project.pbxproj | 18 + SDWebImage/Private/SDImageAssetManager.m | 1 + SDWebImage/Private/SDInternalMacros.h | 61 ++ SDWebImage/Private/SDInternalMacros.m | 13 + SDWebImage/Private/metamacros.h | 667 +++++++++++++++++++++ SDWebImage/SDAnimatedImageView.m | 1 + SDWebImage/SDImageCodersManager.m | 1 + SDWebImage/SDImageLoadersManager.m | 1 + SDWebImage/SDMemoryCache.m | 1 + SDWebImage/SDWebImageCompat.h | 8 - SDWebImage/SDWebImageDownloader.m | 1 + SDWebImage/SDWebImageDownloaderOperation.m | 1 + SDWebImage/SDWebImageManager.m | 1 + 13 files changed, 767 insertions(+), 8 deletions(-) create mode 100644 SDWebImage/Private/SDInternalMacros.h create mode 100644 SDWebImage/Private/SDInternalMacros.m create mode 100644 SDWebImage/Private/metamacros.h diff --git a/SDWebImage.xcodeproj/project.pbxproj b/SDWebImage.xcodeproj/project.pbxproj index 2fb6d60b..45536ee5 100644 --- a/SDWebImage.xcodeproj/project.pbxproj +++ b/SDWebImage.xcodeproj/project.pbxproj @@ -115,6 +115,12 @@ 329A185B1FFF5DFD008C9A2F /* UIImage+Metadata.h in Headers */ = {isa = PBXBuildFile; fileRef = 329A18571FFF5DFD008C9A2F /* UIImage+Metadata.h */; settings = {ATTRIBUTES = (Public, ); }; }; 329A185F1FFF5DFD008C9A2F /* UIImage+Metadata.m in Sources */ = {isa = PBXBuildFile; fileRef = 329A18581FFF5DFD008C9A2F /* UIImage+Metadata.m */; }; 329A18611FFF5DFD008C9A2F /* UIImage+Metadata.m in Sources */ = {isa = PBXBuildFile; fileRef = 329A18581FFF5DFD008C9A2F /* UIImage+Metadata.m */; }; + 329F1236223FAA3B00B309FD /* metamacros.h in Headers */ = {isa = PBXBuildFile; fileRef = 329F1235223FAA3B00B309FD /* metamacros.h */; settings = {ATTRIBUTES = (Private, ); }; }; + 329F1237223FAA3B00B309FD /* metamacros.h in Headers */ = {isa = PBXBuildFile; fileRef = 329F1235223FAA3B00B309FD /* metamacros.h */; settings = {ATTRIBUTES = (Private, ); }; }; + 329F1240223FAD3400B309FD /* SDInternalMacros.m in Sources */ = {isa = PBXBuildFile; fileRef = 329F123E223FAD3400B309FD /* SDInternalMacros.m */; }; + 329F1241223FAD3400B309FD /* SDInternalMacros.m in Sources */ = {isa = PBXBuildFile; fileRef = 329F123E223FAD3400B309FD /* SDInternalMacros.m */; }; + 329F1242223FAD3400B309FD /* SDInternalMacros.h in Headers */ = {isa = PBXBuildFile; fileRef = 329F123F223FAD3400B309FD /* SDInternalMacros.h */; settings = {ATTRIBUTES = (Private, ); }; }; + 329F1243223FAD3400B309FD /* SDInternalMacros.h in Headers */ = {isa = PBXBuildFile; fileRef = 329F123F223FAD3400B309FD /* SDInternalMacros.h */; settings = {ATTRIBUTES = (Private, ); }; }; 32B5CC60222F89C2005EB74E /* SDAsyncBlockOperation.h in Headers */ = {isa = PBXBuildFile; fileRef = 32B5CC5E222F89C2005EB74E /* SDAsyncBlockOperation.h */; settings = {ATTRIBUTES = (Private, ); }; }; 32B5CC61222F89C2005EB74E /* SDAsyncBlockOperation.m in Sources */ = {isa = PBXBuildFile; fileRef = 32B5CC5F222F89C2005EB74E /* SDAsyncBlockOperation.m */; }; 32B5CC62222F89F6005EB74E /* SDAsyncBlockOperation.h in Headers */ = {isa = PBXBuildFile; fileRef = 32B5CC5E222F89C2005EB74E /* SDAsyncBlockOperation.h */; settings = {ATTRIBUTES = (Private, ); }; }; @@ -309,6 +315,9 @@ 3290FA031FA478AF0047D20C /* SDImageFrame.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDImageFrame.m; sourceTree = ""; }; 329A18571FFF5DFD008C9A2F /* UIImage+Metadata.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImage+Metadata.h"; sourceTree = ""; }; 329A18581FFF5DFD008C9A2F /* UIImage+Metadata.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImage+Metadata.m"; sourceTree = ""; }; + 329F1235223FAA3B00B309FD /* metamacros.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = metamacros.h; sourceTree = ""; }; + 329F123E223FAD3400B309FD /* SDInternalMacros.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDInternalMacros.m; sourceTree = ""; }; + 329F123F223FAD3400B309FD /* SDInternalMacros.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDInternalMacros.h; sourceTree = ""; }; 32B5CC5E222F89C2005EB74E /* SDAsyncBlockOperation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDAsyncBlockOperation.h; sourceTree = ""; }; 32B5CC5F222F89C2005EB74E /* SDAsyncBlockOperation.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDAsyncBlockOperation.m; sourceTree = ""; }; 32B9B535206ED4230026769D /* SDWebImageDownloaderConfig.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SDWebImageDownloaderConfig.h; sourceTree = ""; }; @@ -497,6 +506,9 @@ 325C461F2233A02E004CAE11 /* UIColor+HexString.m */, 325C46242233A0A8004CAE11 /* NSBezierPath+RoundedCorners.h */, 325C46252233A0A8004CAE11 /* NSBezierPath+RoundedCorners.m */, + 329F123F223FAD3400B309FD /* SDInternalMacros.h */, + 329F123E223FAD3400B309FD /* SDInternalMacros.m */, + 329F1235223FAA3B00B309FD /* metamacros.h */, ); path = Private; sourceTree = ""; @@ -715,6 +727,7 @@ 80B6DF842142B44600BCB334 /* NSButton+WebCache.h in Headers */, 43A918661D8308FE00B3925F /* SDImageCacheConfig.h in Headers */, 3290FA061FA478AF0047D20C /* SDImageFrame.h in Headers */, + 329F1237223FAA3B00B309FD /* metamacros.h in Headers */, 324DF4B6200A14DC008A84CC /* SDWebImageDefine.h in Headers */, 807A122A1F89636300EC2A9B /* SDImageCodersManager.h in Headers */, 4A2CAE211AB4BB7000B6BC39 /* SDWebImageManager.h in Headers */, @@ -749,6 +762,7 @@ 325C4615223399F7004CAE11 /* SDImageGIFCoderInternal.h in Headers */, 32F7C0862030719600873181 /* UIImage+Transform.h in Headers */, 321E60C01F38E91700405457 /* UIImage+ForceDecode.h in Headers */, + 329F1243223FAD3400B309FD /* SDInternalMacros.h in Headers */, 80B6DF7F2142B43300BCB334 /* NSImage+Compatibility.h in Headers */, 32C0FDE32013426C001B8F2D /* SDWebImageIndicator.h in Headers */, 32F7C0712030114C00873181 /* SDImageTransformer.h in Headers */, @@ -780,6 +794,7 @@ 80B6DF852142B44700BCB334 /* NSButton+WebCache.h in Headers */, 807A12281F89636300EC2A9B /* SDImageCodersManager.h in Headers */, 32B9B537206ED4230026769D /* SDWebImageDownloaderConfig.h in Headers */, + 329F1236223FAA3B00B309FD /* metamacros.h in Headers */, 32484775201775F600AF9E5A /* SDAnimatedImage.h in Headers */, 321E60941F38E8ED00405457 /* SDImageIOCoder.h in Headers */, 329A18591FFF5DFD008C9A2F /* UIImage+Metadata.h in Headers */, @@ -814,6 +829,7 @@ 325C4614223399F7004CAE11 /* SDImageGIFCoderInternal.h in Headers */, 321E60861F38E8C800405457 /* SDImageCoder.h in Headers */, 32484763201775F600AF9E5A /* SDAnimatedImageView+WebCache.h in Headers */, + 329F1242223FAD3400B309FD /* SDInternalMacros.h in Headers */, 80B6DF7E2142B43300BCB334 /* NSImage+Compatibility.h in Headers */, 32D1221E2080B2EB003685A3 /* SDImageCacheDefine.h in Headers */, AB615303192DA24600A2D8E9 /* UIView+WebCacheOperation.h in Headers */, @@ -971,6 +987,7 @@ 4A2CAE2E1AB4BB7500B6BC39 /* UIImage+GIF.m in Sources */, 80B6DF822142B44400BCB334 /* NSButton+WebCache.m in Sources */, 32D3CDCF21DDE87300C4DB49 /* UIImage+MemoryCacheCost.m in Sources */, + 329F1241223FAD3400B309FD /* SDInternalMacros.m in Sources */, 320CAE1D2086F50500CFFC80 /* SDWebImageError.m in Sources */, 32CF1C0F1FA496B000004BD1 /* SDImageCoderHelper.m in Sources */, 328BB6D52082581100760D6C /* SDMemoryCache.m in Sources */, @@ -1032,6 +1049,7 @@ 53761309155AD0D5005750A4 /* SDImageCache.m in Sources */, 80B6DF832142B44500BCB334 /* NSButton+WebCache.m in Sources */, 32D3CDCE21DDE87300C4DB49 /* UIImage+MemoryCacheCost.m in Sources */, + 329F1240223FAD3400B309FD /* SDInternalMacros.m in Sources */, 320CAE1B2086F50500CFFC80 /* SDWebImageError.m in Sources */, 32CF1C0D1FA496B000004BD1 /* SDImageCoderHelper.m in Sources */, 328BB6D32082581100760D6C /* SDMemoryCache.m in Sources */, diff --git a/SDWebImage/Private/SDImageAssetManager.m b/SDWebImage/Private/SDImageAssetManager.m index 1dc5503c..fa92e74f 100644 --- a/SDWebImage/Private/SDImageAssetManager.m +++ b/SDWebImage/Private/SDImageAssetManager.m @@ -7,6 +7,7 @@ */ #import "SDImageAssetManager.h" +#import "SDInternalMacros.h" static NSArray *SDBundlePreferredScales() { static NSArray *scales; diff --git a/SDWebImage/Private/SDInternalMacros.h b/SDWebImage/Private/SDInternalMacros.h new file mode 100644 index 00000000..22d73dfb --- /dev/null +++ b/SDWebImage/Private/SDInternalMacros.h @@ -0,0 +1,61 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#import +#import "metamacros.h" + +#ifndef SD_LOCK +#define SD_LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER); +#endif + +#ifndef SD_UNLOCK +#define SD_UNLOCK(lock) dispatch_semaphore_signal(lock); +#endif + +#ifndef weakify +#define weakify(...) \ +sd_keywordify \ +metamacro_foreach_cxt(sd_weakify_,, __weak, __VA_ARGS__) +#endif + +#ifndef strongify +#define strongify(...) \ +sd_keywordify \ +_Pragma("clang diagnostic push") \ +_Pragma("clang diagnostic ignored \"-Wshadow\"") \ +metamacro_foreach(sd_strongify_,, __VA_ARGS__) \ +_Pragma("clang diagnostic pop") +#endif + +#define sd_weakify_(INDEX, CONTEXT, VAR) \ +CONTEXT __typeof__(VAR) metamacro_concat(VAR, _weak_) = (VAR); + +#define sd_strongify_(INDEX, VAR) \ +__strong __typeof__(VAR) VAR = metamacro_concat(VAR, _weak_); + +#if DEBUG +#define sd_keywordify autoreleasepool {} +#else +#define sd_keywordify try {} @catch (...) {} +#endif + +#ifndef onExit +#define onExit \ +sd_keywordify \ +__strong sd_cleanupBlock_t metamacro_concat(sd_exitBlock_, __LINE__) __attribute__((cleanup(sd_executeCleanupBlock), unused)) = ^ +#endif + +typedef void (^sd_cleanupBlock_t)(void); + +#if defined(__cplusplus) +extern "C" { +#endif + void sd_executeCleanupBlock (__strong sd_cleanupBlock_t *block); +#if defined(__cplusplus) +} +#endif diff --git a/SDWebImage/Private/SDInternalMacros.m b/SDWebImage/Private/SDInternalMacros.m new file mode 100644 index 00000000..e4981af2 --- /dev/null +++ b/SDWebImage/Private/SDInternalMacros.m @@ -0,0 +1,13 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#import "SDInternalMacros.h" + +void sd_executeCleanupBlock (__strong sd_cleanupBlock_t *block) { + (*block)(); +} diff --git a/SDWebImage/Private/metamacros.h b/SDWebImage/Private/metamacros.h new file mode 100644 index 00000000..579756c6 --- /dev/null +++ b/SDWebImage/Private/metamacros.h @@ -0,0 +1,667 @@ +/** + * Macros for metaprogramming + * ExtendedC + * + * Copyright (C) 2012 Justin Spahr-Summers + * Released under the MIT license + */ + +#ifndef EXTC_METAMACROS_H +#define EXTC_METAMACROS_H + + +/** + * Executes one or more expressions (which may have a void type, such as a call + * to a function that returns no value) and always returns true. + */ +#define metamacro_exprify(...) \ + ((__VA_ARGS__), true) + +/** + * Returns a string representation of VALUE after full macro expansion. + */ +#define metamacro_stringify(VALUE) \ + metamacro_stringify_(VALUE) + +/** + * Returns A and B concatenated after full macro expansion. + */ +#define metamacro_concat(A, B) \ + metamacro_concat_(A, B) + +/** + * Returns the Nth variadic argument (starting from zero). At least + * N + 1 variadic arguments must be given. N must be between zero and twenty, + * inclusive. + */ +#define metamacro_at(N, ...) \ + metamacro_concat(metamacro_at, N)(__VA_ARGS__) + +/** + * Returns the number of arguments (up to twenty) provided to the macro. At + * least one argument must be provided. + * + * Inspired by P99: http://p99.gforge.inria.fr + */ +#define metamacro_argcount(...) \ + metamacro_at(20, __VA_ARGS__, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1) + +/** + * Identical to #metamacro_foreach_cxt, except that no CONTEXT argument is + * given. Only the index and current argument will thus be passed to MACRO. + */ +#define metamacro_foreach(MACRO, SEP, ...) \ + metamacro_foreach_cxt(metamacro_foreach_iter, SEP, MACRO, __VA_ARGS__) + +/** + * For each consecutive variadic argument (up to twenty), MACRO is passed the + * zero-based index of the current argument, CONTEXT, and then the argument + * itself. The results of adjoining invocations of MACRO are then separated by + * SEP. + * + * Inspired by P99: http://p99.gforge.inria.fr + */ +#define metamacro_foreach_cxt(MACRO, SEP, CONTEXT, ...) \ + metamacro_concat(metamacro_foreach_cxt, metamacro_argcount(__VA_ARGS__))(MACRO, SEP, CONTEXT, __VA_ARGS__) + +/** + * Identical to #metamacro_foreach_cxt. This can be used when the former would + * fail due to recursive macro expansion. + */ +#define metamacro_foreach_cxt_recursive(MACRO, SEP, CONTEXT, ...) \ + metamacro_concat(metamacro_foreach_cxt_recursive, metamacro_argcount(__VA_ARGS__))(MACRO, SEP, CONTEXT, __VA_ARGS__) + +/** + * In consecutive order, appends each variadic argument (up to twenty) onto + * BASE. The resulting concatenations are then separated by SEP. + * + * This is primarily useful to manipulate a list of macro invocations into instead + * invoking a different, possibly related macro. + */ +#define metamacro_foreach_concat(BASE, SEP, ...) \ + metamacro_foreach_cxt(metamacro_foreach_concat_iter, SEP, BASE, __VA_ARGS__) + +/** + * Iterates COUNT times, each time invoking MACRO with the current index + * (starting at zero) and CONTEXT. The results of adjoining invocations of MACRO + * are then separated by SEP. + * + * COUNT must be an integer between zero and twenty, inclusive. + */ +#define metamacro_for_cxt(COUNT, MACRO, SEP, CONTEXT) \ + metamacro_concat(metamacro_for_cxt, COUNT)(MACRO, SEP, CONTEXT) + +/** + * Returns the first argument given. At least one argument must be provided. + * + * This is useful when implementing a variadic macro, where you may have only + * one variadic argument, but no way to retrieve it (for example, because \c ... + * always needs to match at least one argument). + * + * @code + +#define varmacro(...) \ + metamacro_head(__VA_ARGS__) + + * @endcode + */ +#define metamacro_head(...) \ + metamacro_head_(__VA_ARGS__, 0) + +/** + * Returns every argument except the first. At least two arguments must be + * provided. + */ +#define metamacro_tail(...) \ + metamacro_tail_(__VA_ARGS__) + +/** + * Returns the first N (up to twenty) variadic arguments as a new argument list. + * At least N variadic arguments must be provided. + */ +#define metamacro_take(N, ...) \ + metamacro_concat(metamacro_take, N)(__VA_ARGS__) + +/** + * Removes the first N (up to twenty) variadic arguments from the given argument + * list. At least N variadic arguments must be provided. + */ +#define metamacro_drop(N, ...) \ + metamacro_concat(metamacro_drop, N)(__VA_ARGS__) + +/** + * Decrements VAL, which must be a number between zero and twenty, inclusive. + * + * This is primarily useful when dealing with indexes and counts in + * metaprogramming. + */ +#define metamacro_dec(VAL) \ + metamacro_at(VAL, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) + +/** + * Increments VAL, which must be a number between zero and twenty, inclusive. + * + * This is primarily useful when dealing with indexes and counts in + * metaprogramming. + */ +#define metamacro_inc(VAL) \ + metamacro_at(VAL, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21) + +/** + * If A is equal to B, the next argument list is expanded; otherwise, the + * argument list after that is expanded. A and B must be numbers between zero + * and twenty, inclusive. Additionally, B must be greater than or equal to A. + * + * @code + +// expands to true +metamacro_if_eq(0, 0)(true)(false) + +// expands to false +metamacro_if_eq(0, 1)(true)(false) + + * @endcode + * + * This is primarily useful when dealing with indexes and counts in + * metaprogramming. + */ +#define metamacro_if_eq(A, B) \ + metamacro_concat(metamacro_if_eq, A)(B) + +/** + * Identical to #metamacro_if_eq. This can be used when the former would fail + * due to recursive macro expansion. + */ +#define metamacro_if_eq_recursive(A, B) \ + metamacro_concat(metamacro_if_eq_recursive, A)(B) + +/** + * Returns 1 if N is an even number, or 0 otherwise. N must be between zero and + * twenty, inclusive. + * + * For the purposes of this test, zero is considered even. + */ +#define metamacro_is_even(N) \ + metamacro_at(N, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1) + +/** + * Returns the logical NOT of B, which must be the number zero or one. + */ +#define metamacro_not(B) \ + metamacro_at(B, 1, 0) + +// IMPLEMENTATION DETAILS FOLLOW! +// Do not write code that depends on anything below this line. +#define metamacro_stringify_(VALUE) # VALUE +#define metamacro_concat_(A, B) A ## B +#define metamacro_foreach_iter(INDEX, MACRO, ARG) MACRO(INDEX, ARG) +#define metamacro_head_(FIRST, ...) FIRST +#define metamacro_tail_(FIRST, ...) __VA_ARGS__ +#define metamacro_consume_(...) +#define metamacro_expand_(...) __VA_ARGS__ + +// implemented from scratch so that metamacro_concat() doesn't end up nesting +#define metamacro_foreach_concat_iter(INDEX, BASE, ARG) metamacro_foreach_concat_iter_(BASE, ARG) +#define metamacro_foreach_concat_iter_(BASE, ARG) BASE ## ARG + +// metamacro_at expansions +#define metamacro_at0(...) metamacro_head(__VA_ARGS__) +#define metamacro_at1(_0, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at2(_0, _1, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at3(_0, _1, _2, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at4(_0, _1, _2, _3, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at5(_0, _1, _2, _3, _4, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at6(_0, _1, _2, _3, _4, _5, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at7(_0, _1, _2, _3, _4, _5, _6, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at8(_0, _1, _2, _3, _4, _5, _6, _7, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at9(_0, _1, _2, _3, _4, _5, _6, _7, _8, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at10(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at11(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at12(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at13(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at14(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at15(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at16(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at17(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at18(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at19(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, ...) metamacro_head(__VA_ARGS__) +#define metamacro_at20(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, ...) metamacro_head(__VA_ARGS__) + +// metamacro_foreach_cxt expansions +#define metamacro_foreach_cxt0(MACRO, SEP, CONTEXT) +#define metamacro_foreach_cxt1(MACRO, SEP, CONTEXT, _0) MACRO(0, CONTEXT, _0) + +#define metamacro_foreach_cxt2(MACRO, SEP, CONTEXT, _0, _1) \ + metamacro_foreach_cxt1(MACRO, SEP, CONTEXT, _0) \ + SEP \ + MACRO(1, CONTEXT, _1) + +#define metamacro_foreach_cxt3(MACRO, SEP, CONTEXT, _0, _1, _2) \ + metamacro_foreach_cxt2(MACRO, SEP, CONTEXT, _0, _1) \ + SEP \ + MACRO(2, CONTEXT, _2) + +#define metamacro_foreach_cxt4(MACRO, SEP, CONTEXT, _0, _1, _2, _3) \ + metamacro_foreach_cxt3(MACRO, SEP, CONTEXT, _0, _1, _2) \ + SEP \ + MACRO(3, CONTEXT, _3) + +#define metamacro_foreach_cxt5(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4) \ + metamacro_foreach_cxt4(MACRO, SEP, CONTEXT, _0, _1, _2, _3) \ + SEP \ + MACRO(4, CONTEXT, _4) + +#define metamacro_foreach_cxt6(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5) \ + metamacro_foreach_cxt5(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4) \ + SEP \ + MACRO(5, CONTEXT, _5) + +#define metamacro_foreach_cxt7(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6) \ + metamacro_foreach_cxt6(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5) \ + SEP \ + MACRO(6, CONTEXT, _6) + +#define metamacro_foreach_cxt8(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7) \ + metamacro_foreach_cxt7(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6) \ + SEP \ + MACRO(7, CONTEXT, _7) + +#define metamacro_foreach_cxt9(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8) \ + metamacro_foreach_cxt8(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7) \ + SEP \ + MACRO(8, CONTEXT, _8) + +#define metamacro_foreach_cxt10(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9) \ + metamacro_foreach_cxt9(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8) \ + SEP \ + MACRO(9, CONTEXT, _9) + +#define metamacro_foreach_cxt11(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) \ + metamacro_foreach_cxt10(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9) \ + SEP \ + MACRO(10, CONTEXT, _10) + +#define metamacro_foreach_cxt12(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11) \ + metamacro_foreach_cxt11(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) \ + SEP \ + MACRO(11, CONTEXT, _11) + +#define metamacro_foreach_cxt13(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12) \ + metamacro_foreach_cxt12(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11) \ + SEP \ + MACRO(12, CONTEXT, _12) + +#define metamacro_foreach_cxt14(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13) \ + metamacro_foreach_cxt13(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12) \ + SEP \ + MACRO(13, CONTEXT, _13) + +#define metamacro_foreach_cxt15(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14) \ + metamacro_foreach_cxt14(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13) \ + SEP \ + MACRO(14, CONTEXT, _14) + +#define metamacro_foreach_cxt16(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15) \ + metamacro_foreach_cxt15(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14) \ + SEP \ + MACRO(15, CONTEXT, _15) + +#define metamacro_foreach_cxt17(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16) \ + metamacro_foreach_cxt16(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15) \ + SEP \ + MACRO(16, CONTEXT, _16) + +#define metamacro_foreach_cxt18(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17) \ + metamacro_foreach_cxt17(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16) \ + SEP \ + MACRO(17, CONTEXT, _17) + +#define metamacro_foreach_cxt19(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18) \ + metamacro_foreach_cxt18(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17) \ + SEP \ + MACRO(18, CONTEXT, _18) + +#define metamacro_foreach_cxt20(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19) \ + metamacro_foreach_cxt19(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18) \ + SEP \ + MACRO(19, CONTEXT, _19) + +// metamacro_foreach_cxt_recursive expansions +#define metamacro_foreach_cxt_recursive0(MACRO, SEP, CONTEXT) +#define metamacro_foreach_cxt_recursive1(MACRO, SEP, CONTEXT, _0) MACRO(0, CONTEXT, _0) + +#define metamacro_foreach_cxt_recursive2(MACRO, SEP, CONTEXT, _0, _1) \ + metamacro_foreach_cxt_recursive1(MACRO, SEP, CONTEXT, _0) \ + SEP \ + MACRO(1, CONTEXT, _1) + +#define metamacro_foreach_cxt_recursive3(MACRO, SEP, CONTEXT, _0, _1, _2) \ + metamacro_foreach_cxt_recursive2(MACRO, SEP, CONTEXT, _0, _1) \ + SEP \ + MACRO(2, CONTEXT, _2) + +#define metamacro_foreach_cxt_recursive4(MACRO, SEP, CONTEXT, _0, _1, _2, _3) \ + metamacro_foreach_cxt_recursive3(MACRO, SEP, CONTEXT, _0, _1, _2) \ + SEP \ + MACRO(3, CONTEXT, _3) + +#define metamacro_foreach_cxt_recursive5(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4) \ + metamacro_foreach_cxt_recursive4(MACRO, SEP, CONTEXT, _0, _1, _2, _3) \ + SEP \ + MACRO(4, CONTEXT, _4) + +#define metamacro_foreach_cxt_recursive6(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5) \ + metamacro_foreach_cxt_recursive5(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4) \ + SEP \ + MACRO(5, CONTEXT, _5) + +#define metamacro_foreach_cxt_recursive7(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6) \ + metamacro_foreach_cxt_recursive6(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5) \ + SEP \ + MACRO(6, CONTEXT, _6) + +#define metamacro_foreach_cxt_recursive8(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7) \ + metamacro_foreach_cxt_recursive7(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6) \ + SEP \ + MACRO(7, CONTEXT, _7) + +#define metamacro_foreach_cxt_recursive9(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8) \ + metamacro_foreach_cxt_recursive8(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7) \ + SEP \ + MACRO(8, CONTEXT, _8) + +#define metamacro_foreach_cxt_recursive10(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9) \ + metamacro_foreach_cxt_recursive9(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8) \ + SEP \ + MACRO(9, CONTEXT, _9) + +#define metamacro_foreach_cxt_recursive11(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) \ + metamacro_foreach_cxt_recursive10(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9) \ + SEP \ + MACRO(10, CONTEXT, _10) + +#define metamacro_foreach_cxt_recursive12(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11) \ + metamacro_foreach_cxt_recursive11(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) \ + SEP \ + MACRO(11, CONTEXT, _11) + +#define metamacro_foreach_cxt_recursive13(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12) \ + metamacro_foreach_cxt_recursive12(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11) \ + SEP \ + MACRO(12, CONTEXT, _12) + +#define metamacro_foreach_cxt_recursive14(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13) \ + metamacro_foreach_cxt_recursive13(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12) \ + SEP \ + MACRO(13, CONTEXT, _13) + +#define metamacro_foreach_cxt_recursive15(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14) \ + metamacro_foreach_cxt_recursive14(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13) \ + SEP \ + MACRO(14, CONTEXT, _14) + +#define metamacro_foreach_cxt_recursive16(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15) \ + metamacro_foreach_cxt_recursive15(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14) \ + SEP \ + MACRO(15, CONTEXT, _15) + +#define metamacro_foreach_cxt_recursive17(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16) \ + metamacro_foreach_cxt_recursive16(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15) \ + SEP \ + MACRO(16, CONTEXT, _16) + +#define metamacro_foreach_cxt_recursive18(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17) \ + metamacro_foreach_cxt_recursive17(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16) \ + SEP \ + MACRO(17, CONTEXT, _17) + +#define metamacro_foreach_cxt_recursive19(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18) \ + metamacro_foreach_cxt_recursive18(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17) \ + SEP \ + MACRO(18, CONTEXT, _18) + +#define metamacro_foreach_cxt_recursive20(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19) \ + metamacro_foreach_cxt_recursive19(MACRO, SEP, CONTEXT, _0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18) \ + SEP \ + MACRO(19, CONTEXT, _19) + +// metamacro_for_cxt expansions +#define metamacro_for_cxt0(MACRO, SEP, CONTEXT) +#define metamacro_for_cxt1(MACRO, SEP, CONTEXT) MACRO(0, CONTEXT) + +#define metamacro_for_cxt2(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt1(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(1, CONTEXT) + +#define metamacro_for_cxt3(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt2(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(2, CONTEXT) + +#define metamacro_for_cxt4(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt3(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(3, CONTEXT) + +#define metamacro_for_cxt5(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt4(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(4, CONTEXT) + +#define metamacro_for_cxt6(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt5(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(5, CONTEXT) + +#define metamacro_for_cxt7(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt6(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(6, CONTEXT) + +#define metamacro_for_cxt8(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt7(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(7, CONTEXT) + +#define metamacro_for_cxt9(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt8(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(8, CONTEXT) + +#define metamacro_for_cxt10(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt9(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(9, CONTEXT) + +#define metamacro_for_cxt11(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt10(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(10, CONTEXT) + +#define metamacro_for_cxt12(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt11(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(11, CONTEXT) + +#define metamacro_for_cxt13(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt12(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(12, CONTEXT) + +#define metamacro_for_cxt14(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt13(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(13, CONTEXT) + +#define metamacro_for_cxt15(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt14(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(14, CONTEXT) + +#define metamacro_for_cxt16(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt15(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(15, CONTEXT) + +#define metamacro_for_cxt17(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt16(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(16, CONTEXT) + +#define metamacro_for_cxt18(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt17(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(17, CONTEXT) + +#define metamacro_for_cxt19(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt18(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(18, CONTEXT) + +#define metamacro_for_cxt20(MACRO, SEP, CONTEXT) \ + metamacro_for_cxt19(MACRO, SEP, CONTEXT) \ + SEP \ + MACRO(19, CONTEXT) + +// metamacro_if_eq expansions +#define metamacro_if_eq0(VALUE) \ + metamacro_concat(metamacro_if_eq0_, VALUE) + +#define metamacro_if_eq0_0(...) __VA_ARGS__ metamacro_consume_ +#define metamacro_if_eq0_1(...) metamacro_expand_ +#define metamacro_if_eq0_2(...) metamacro_expand_ +#define metamacro_if_eq0_3(...) metamacro_expand_ +#define metamacro_if_eq0_4(...) metamacro_expand_ +#define metamacro_if_eq0_5(...) metamacro_expand_ +#define metamacro_if_eq0_6(...) metamacro_expand_ +#define metamacro_if_eq0_7(...) metamacro_expand_ +#define metamacro_if_eq0_8(...) metamacro_expand_ +#define metamacro_if_eq0_9(...) metamacro_expand_ +#define metamacro_if_eq0_10(...) metamacro_expand_ +#define metamacro_if_eq0_11(...) metamacro_expand_ +#define metamacro_if_eq0_12(...) metamacro_expand_ +#define metamacro_if_eq0_13(...) metamacro_expand_ +#define metamacro_if_eq0_14(...) metamacro_expand_ +#define metamacro_if_eq0_15(...) metamacro_expand_ +#define metamacro_if_eq0_16(...) metamacro_expand_ +#define metamacro_if_eq0_17(...) metamacro_expand_ +#define metamacro_if_eq0_18(...) metamacro_expand_ +#define metamacro_if_eq0_19(...) metamacro_expand_ +#define metamacro_if_eq0_20(...) metamacro_expand_ + +#define metamacro_if_eq1(VALUE) metamacro_if_eq0(metamacro_dec(VALUE)) +#define metamacro_if_eq2(VALUE) metamacro_if_eq1(metamacro_dec(VALUE)) +#define metamacro_if_eq3(VALUE) metamacro_if_eq2(metamacro_dec(VALUE)) +#define metamacro_if_eq4(VALUE) metamacro_if_eq3(metamacro_dec(VALUE)) +#define metamacro_if_eq5(VALUE) metamacro_if_eq4(metamacro_dec(VALUE)) +#define metamacro_if_eq6(VALUE) metamacro_if_eq5(metamacro_dec(VALUE)) +#define metamacro_if_eq7(VALUE) metamacro_if_eq6(metamacro_dec(VALUE)) +#define metamacro_if_eq8(VALUE) metamacro_if_eq7(metamacro_dec(VALUE)) +#define metamacro_if_eq9(VALUE) metamacro_if_eq8(metamacro_dec(VALUE)) +#define metamacro_if_eq10(VALUE) metamacro_if_eq9(metamacro_dec(VALUE)) +#define metamacro_if_eq11(VALUE) metamacro_if_eq10(metamacro_dec(VALUE)) +#define metamacro_if_eq12(VALUE) metamacro_if_eq11(metamacro_dec(VALUE)) +#define metamacro_if_eq13(VALUE) metamacro_if_eq12(metamacro_dec(VALUE)) +#define metamacro_if_eq14(VALUE) metamacro_if_eq13(metamacro_dec(VALUE)) +#define metamacro_if_eq15(VALUE) metamacro_if_eq14(metamacro_dec(VALUE)) +#define metamacro_if_eq16(VALUE) metamacro_if_eq15(metamacro_dec(VALUE)) +#define metamacro_if_eq17(VALUE) metamacro_if_eq16(metamacro_dec(VALUE)) +#define metamacro_if_eq18(VALUE) metamacro_if_eq17(metamacro_dec(VALUE)) +#define metamacro_if_eq19(VALUE) metamacro_if_eq18(metamacro_dec(VALUE)) +#define metamacro_if_eq20(VALUE) metamacro_if_eq19(metamacro_dec(VALUE)) + +// metamacro_if_eq_recursive expansions +#define metamacro_if_eq_recursive0(VALUE) \ + metamacro_concat(metamacro_if_eq_recursive0_, VALUE) + +#define metamacro_if_eq_recursive0_0(...) __VA_ARGS__ metamacro_consume_ +#define metamacro_if_eq_recursive0_1(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_2(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_3(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_4(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_5(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_6(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_7(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_8(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_9(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_10(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_11(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_12(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_13(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_14(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_15(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_16(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_17(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_18(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_19(...) metamacro_expand_ +#define metamacro_if_eq_recursive0_20(...) metamacro_expand_ + +#define metamacro_if_eq_recursive1(VALUE) metamacro_if_eq_recursive0(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive2(VALUE) metamacro_if_eq_recursive1(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive3(VALUE) metamacro_if_eq_recursive2(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive4(VALUE) metamacro_if_eq_recursive3(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive5(VALUE) metamacro_if_eq_recursive4(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive6(VALUE) metamacro_if_eq_recursive5(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive7(VALUE) metamacro_if_eq_recursive6(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive8(VALUE) metamacro_if_eq_recursive7(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive9(VALUE) metamacro_if_eq_recursive8(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive10(VALUE) metamacro_if_eq_recursive9(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive11(VALUE) metamacro_if_eq_recursive10(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive12(VALUE) metamacro_if_eq_recursive11(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive13(VALUE) metamacro_if_eq_recursive12(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive14(VALUE) metamacro_if_eq_recursive13(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive15(VALUE) metamacro_if_eq_recursive14(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive16(VALUE) metamacro_if_eq_recursive15(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive17(VALUE) metamacro_if_eq_recursive16(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive18(VALUE) metamacro_if_eq_recursive17(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive19(VALUE) metamacro_if_eq_recursive18(metamacro_dec(VALUE)) +#define metamacro_if_eq_recursive20(VALUE) metamacro_if_eq_recursive19(metamacro_dec(VALUE)) + +// metamacro_take expansions +#define metamacro_take0(...) +#define metamacro_take1(...) metamacro_head(__VA_ARGS__) +#define metamacro_take2(...) metamacro_head(__VA_ARGS__), metamacro_take1(metamacro_tail(__VA_ARGS__)) +#define metamacro_take3(...) metamacro_head(__VA_ARGS__), metamacro_take2(metamacro_tail(__VA_ARGS__)) +#define metamacro_take4(...) metamacro_head(__VA_ARGS__), metamacro_take3(metamacro_tail(__VA_ARGS__)) +#define metamacro_take5(...) metamacro_head(__VA_ARGS__), metamacro_take4(metamacro_tail(__VA_ARGS__)) +#define metamacro_take6(...) metamacro_head(__VA_ARGS__), metamacro_take5(metamacro_tail(__VA_ARGS__)) +#define metamacro_take7(...) metamacro_head(__VA_ARGS__), metamacro_take6(metamacro_tail(__VA_ARGS__)) +#define metamacro_take8(...) metamacro_head(__VA_ARGS__), metamacro_take7(metamacro_tail(__VA_ARGS__)) +#define metamacro_take9(...) metamacro_head(__VA_ARGS__), metamacro_take8(metamacro_tail(__VA_ARGS__)) +#define metamacro_take10(...) metamacro_head(__VA_ARGS__), metamacro_take9(metamacro_tail(__VA_ARGS__)) +#define metamacro_take11(...) metamacro_head(__VA_ARGS__), metamacro_take10(metamacro_tail(__VA_ARGS__)) +#define metamacro_take12(...) metamacro_head(__VA_ARGS__), metamacro_take11(metamacro_tail(__VA_ARGS__)) +#define metamacro_take13(...) metamacro_head(__VA_ARGS__), metamacro_take12(metamacro_tail(__VA_ARGS__)) +#define metamacro_take14(...) metamacro_head(__VA_ARGS__), metamacro_take13(metamacro_tail(__VA_ARGS__)) +#define metamacro_take15(...) metamacro_head(__VA_ARGS__), metamacro_take14(metamacro_tail(__VA_ARGS__)) +#define metamacro_take16(...) metamacro_head(__VA_ARGS__), metamacro_take15(metamacro_tail(__VA_ARGS__)) +#define metamacro_take17(...) metamacro_head(__VA_ARGS__), metamacro_take16(metamacro_tail(__VA_ARGS__)) +#define metamacro_take18(...) metamacro_head(__VA_ARGS__), metamacro_take17(metamacro_tail(__VA_ARGS__)) +#define metamacro_take19(...) metamacro_head(__VA_ARGS__), metamacro_take18(metamacro_tail(__VA_ARGS__)) +#define metamacro_take20(...) metamacro_head(__VA_ARGS__), metamacro_take19(metamacro_tail(__VA_ARGS__)) + +// metamacro_drop expansions +#define metamacro_drop0(...) __VA_ARGS__ +#define metamacro_drop1(...) metamacro_tail(__VA_ARGS__) +#define metamacro_drop2(...) metamacro_drop1(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop3(...) metamacro_drop2(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop4(...) metamacro_drop3(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop5(...) metamacro_drop4(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop6(...) metamacro_drop5(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop7(...) metamacro_drop6(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop8(...) metamacro_drop7(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop9(...) metamacro_drop8(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop10(...) metamacro_drop9(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop11(...) metamacro_drop10(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop12(...) metamacro_drop11(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop13(...) metamacro_drop12(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop14(...) metamacro_drop13(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop15(...) metamacro_drop14(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop16(...) metamacro_drop15(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop17(...) metamacro_drop16(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop18(...) metamacro_drop17(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop19(...) metamacro_drop18(metamacro_tail(__VA_ARGS__)) +#define metamacro_drop20(...) metamacro_drop19(metamacro_tail(__VA_ARGS__)) + +#endif \ No newline at end of file diff --git a/SDWebImage/SDAnimatedImageView.m b/SDWebImage/SDAnimatedImageView.m index 42c731d2..bf4dac83 100644 --- a/SDWebImage/SDAnimatedImageView.m +++ b/SDWebImage/SDAnimatedImageView.m @@ -13,6 +13,7 @@ #import "UIImage+Metadata.h" #import "NSImage+Compatibility.h" #import "SDWeakProxy.h" +#import "SDInternalMacros.h" #import #import diff --git a/SDWebImage/SDImageCodersManager.m b/SDWebImage/SDImageCodersManager.m index 77522cd4..8ad7e7b5 100644 --- a/SDWebImage/SDImageCodersManager.m +++ b/SDWebImage/SDImageCodersManager.m @@ -10,6 +10,7 @@ #import "SDImageIOCoder.h" #import "SDImageGIFCoder.h" #import "SDImageAPNGCoder.h" +#import "SDInternalMacros.h" @interface SDImageCodersManager () diff --git a/SDWebImage/SDImageLoadersManager.m b/SDWebImage/SDImageLoadersManager.m index 84461fce..406a3628 100644 --- a/SDWebImage/SDImageLoadersManager.m +++ b/SDWebImage/SDImageLoadersManager.m @@ -8,6 +8,7 @@ #import "SDImageLoadersManager.h" #import "SDWebImageDownloader.h" +#import "SDInternalMacros.h" @interface SDImageLoadersManager () diff --git a/SDWebImage/SDMemoryCache.m b/SDWebImage/SDMemoryCache.m index 8a03f117..c331fce3 100644 --- a/SDWebImage/SDMemoryCache.m +++ b/SDWebImage/SDMemoryCache.m @@ -9,6 +9,7 @@ #import "SDMemoryCache.h" #import "SDImageCacheConfig.h" #import "UIImage+MemoryCacheCost.h" +#import "SDInternalMacros.h" static void * SDMemoryCacheContext = &SDMemoryCacheContext; diff --git a/SDWebImage/SDWebImageCompat.h b/SDWebImage/SDWebImageCompat.h index 92bcf4ba..f47a248a 100644 --- a/SDWebImage/SDWebImageCompat.h +++ b/SDWebImage/SDWebImageCompat.h @@ -93,11 +93,3 @@ dispatch_async(dispatch_get_main_queue(), block);\ } #endif - -#ifndef SD_LOCK -#define SD_LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER); -#endif - -#ifndef SD_UNLOCK -#define SD_UNLOCK(lock) dispatch_semaphore_signal(lock); -#endif diff --git a/SDWebImage/SDWebImageDownloader.m b/SDWebImage/SDWebImageDownloader.m index 240e6372..c593ccf8 100644 --- a/SDWebImage/SDWebImageDownloader.m +++ b/SDWebImage/SDWebImageDownloader.m @@ -10,6 +10,7 @@ #import "SDWebImageDownloaderConfig.h" #import "SDWebImageDownloaderOperation.h" #import "SDWebImageError.h" +#import "SDInternalMacros.h" static void * SDWebImageDownloaderContext = &SDWebImageDownloaderContext; diff --git a/SDWebImage/SDWebImageDownloaderOperation.m b/SDWebImage/SDWebImageDownloaderOperation.m index 5f1dd04e..0043a293 100644 --- a/SDWebImage/SDWebImageDownloaderOperation.m +++ b/SDWebImage/SDWebImageDownloaderOperation.m @@ -8,6 +8,7 @@ #import "SDWebImageDownloaderOperation.h" #import "SDWebImageError.h" +#import "SDInternalMacros.h" // iOS 8 Foundation.framework extern these symbol but the define is in CFNetwork.framework. We just fix this without import CFNetwork.framework #if (__IPHONE_OS_VERSION_MIN_REQUIRED && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0) diff --git a/SDWebImage/SDWebImageManager.m b/SDWebImage/SDWebImageManager.m index 0a91d89d..ea059338 100644 --- a/SDWebImage/SDWebImageManager.m +++ b/SDWebImage/SDWebImageManager.m @@ -11,6 +11,7 @@ #import "SDWebImageDownloader.h" #import "UIImage+Metadata.h" #import "SDWebImageError.h" +#import "SDInternalMacros.h" static id _defaultImageCache; static id _defaultImageLoader;