| Macro | Format Specifier | Description |
|---|---|---|
| __func__ | %s | Current function signature. |
| __LINE__ | %d | Current line number in the source code file. |
| __FILE__ | %s | Full path to the source code file. |
| __PRETTY_FUNCTION__ | %s | Like __func__, but includes verbose type information in C++ code |
| Expression | Format Specifier | Description |
|---|---|---|
| NSStringFromSelector(_cmd) | %@ | Name of the current selector. |
| NSStringFromClass([self class]) | %@ | Name of the current object's class. |
| [[NSString stringWithUTF8String:__FILE__] lastPathComponent] | %@ | Name of the source code file. |
| [NSThread callStackSymbols] | %@ | NSArray of the current stack trace as programmer-readable strings. For debugging only, do not present it to end users or use to do any logic in your program. |
源自：http://developer.apple.com/library/ios/#qa/qa1669/_index.html#//apple_ref/doc/uid/DTS40009343
原文链接: https://www.cnblogs.com/simalone/archive/2011/12/07/2279144.html
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