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Logging.h
author Jens Alfke <jens@mooseyard.com>
Sat May 17 13:14:48 2008 -0700 (2008-05-17)
changeset 9 823e7e74088e
parent 1 e55a17cdabd2
child 11 e5976864dfe9
permissions -rw-r--r--
* Assert macros now put the failure code in a separate segment.
* Added $string utility. 
     1 //

     2 //  Logging.h

     3 //  MYUtilities

     4 //

     5 //  Created by Jens Alfke on 1/5/08.

     6 //  Copyright 2008 Jens Alfke. All rights reserved.

     7 //

     8 

     9 #import <Cocoa/Cocoa.h>

    10 

    11 

    12 NSString* LOC( NSString *key );     // Localized string lookup

    13 

    14 

    15 #ifdef __cplusplus

    16     #define IN_SEGMENT(SEG)

    17 #else

    18     #define IN_SEGMENT(SEG) auto __attribute__ ((section ("__TEXT, "#SEG))) __attribute__ ((noinline)) void _outofband_(void);\

    19                             _outofband_();\

    20                             void _outofband_(void)

    21 #endif

    22 

    23 #define Log(FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) {\

    24                             IN_SEGMENT(Logging){_Log(FMT,##ARGS);}\

    25                          } }while(0)

    26 #define LogTo(DOMAIN,FMT,ARGS...) do{if(__builtin_expect(_gShouldLog,0)) {\

    27                                     IN_SEGMENT(Logging) {_LogTo(@""#DOMAIN,FMT,##ARGS);}\

    28                                   } }while(0)

    29 #define Warn Warn

    30 

    31 void AlwaysLog( NSString *msg, ... ) __attribute__((format(__NSString__, 1, 2)));

    32 BOOL _WillLogTo( NSString *domain );

    33 BOOL EnableLog( BOOL enable );

    34 #define EnableLogTo( DOMAIN, VALUE )  _EnableLogTo(@""#DOMAIN, VALUE)

    35 #define WillLogTo( DOMAIN )  _WillLogTo(@""#DOMAIN)

    36 

    37 

    38 // internals; don't use directly

    39 extern int _gShouldLog;

    40 void _Log( NSString *msg, ... ) __attribute__((format(__NSString__, 1, 2)));

    41 void Warn( NSString *msg, ... ) __attribute__((format(__NSString__, 1, 2)));

    42 void _LogTo( NSString *domain, NSString *msg, ... ) __attribute__((format(__NSString__, 2, 3)));

    43 BOOL _WillLogTo( NSString *domain );

    44 BOOL _EnableLogTo( NSString *domain, BOOL enable );
MYUtilities