Enable NSLog in Debug mode.

UzysDebugLog.h

//
//  DebugLog.h
//  Uzys DebugLog
//
//  Created by UzysJung on 13. 2. 25..
//  Copyright (c) 2013년 Uzys. All rights reserved.
//

/*
 How to use
 
 Project -> Build Settings -> Apple LLVM Compiler Preprocessing ->  Preprocessor Macro - > debug -> 'DEBUG = 1'
 
 */

#ifdef DEBUG
#include <libgen.h>
#define DLogm() NSLog(@"[%s:%d %@]",basename(__FILE__),__LINE__,NSStringFromSelector(_cmd))
#define DLog(format, ...) NSLog(@"[%s:%d %@] %@",basename(__FILE__),__LINE__,NSStringFromSelector(_cmd),[NSString stringWithFormat:format, ## __VA_ARGS__])
#define DLogv(var) NSLog(@"[%s:%d %@] "# var "=%@",basename(__FILE__),__LINE__,NSStringFromSelector(_cmd), var)
#define DLOG_EXPR(_X_) do{\
   __typeof__(_X_) _Y_ = (_X_);\
  const char * _TYPE_CODE_ = @encode(__typeof__(_X_));\
 	NSString *_STR_ = VTPG_DDToStringFromTypeAndValue(_TYPE_CODE_, &_Y_);\
 	if(_STR_)\
 		NSLog(@"%s = %@", #_X_, _STR_);\
 	else\
 		NSLog(@"Unknown _TYPE_CODE_: %s for expression %s in function %s, file %s, line %d", _TYPE_CODE_, #_X_, __func__, __FILE__, __LINE__);\
 }while(0)
#else
#define DLogm() 
#define DLog(format, ...)
#define DLogv(var)
#define DLOG_EXPR(_X_)
#endif