iPublicUtility/CADebugMacros.h

/*
     File: CADebugMacros.h
 Abstract: 
  Version: 1.2
 
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 license, under Apple's copyrights in this original Apple software (the
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 Neither the name, trademarks, service marks or logos of Apple Inc. may
 be used to endorse or promote products derived from the Apple Software
 without specific prior written permission from Apple.  Except as
 expressly stated in this notice, no other rights or licenses, express or
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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
 
 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 POSSIBILITY OF SUCH DAMAGE.
 
 Copyright (C) 2010 Apple Inc. All Rights Reserved.
 
 */
 
#if !defined(__CADebugMacros_h__)
#define __CADebugMacros_h__
 
//=============================================================================
//  Includes
//=============================================================================
 
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
    #include <CoreAudio/CoreAudioTypes.h>
#else
    #include "CoreAudioTypes.h"
#endif
 
//=============================================================================
//  CADebugMacros
//=============================================================================
 
//#define   CoreAudio_StopOnFailure         1
//#define   CoreAudio_TimeStampMessages     1
//#define   CoreAudio_ThreadStampMessages   1
//#define   CoreAudio_FlushDebugMessages    1
 
#if TARGET_RT_BIG_ENDIAN
    #define CA4CCToCString(the4CC)                  { ((char*)&the4CC)[0], ((char*)&the4CC)[1], ((char*)&the4CC)[2], ((char*)&the4CC)[3], 0 }
    #define CACopy4CCToCString(theCString, the4CC)  { theCString[0] = ((char*)&the4CC)[0]; theCString[1] = ((char*)&the4CC)[1]; theCString[2] = ((char*)&the4CC)[2]; theCString[3] = ((char*)&the4CC)[3]; theCString[4] = 0; }
#else
    #define CA4CCToCString(the4CC)                  { ((char*)&the4CC)[3], ((char*)&the4CC)[2], ((char*)&the4CC)[1], ((char*)&the4CC)[0], 0 }
    #define CACopy4CCToCString(theCString, the4CC)  { theCString[0] = ((char*)&the4CC)[3]; theCString[1] = ((char*)&the4CC)[2]; theCString[2] = ((char*)&the4CC)[1]; theCString[3] = ((char*)&the4CC)[0]; theCString[4] = 0; }
#endif
 
#pragma mark    Basic Definitions
 
#if DEBUG || CoreAudio_Debug
    
    // can be used to break into debugger immediately, also see CADebugger
    #define BusError()      (*(long *)0 = 0)
    
    //  basic debugging print routines
    #if TARGET_OS_MAC && !TARGET_API_MAC_CARBON
        extern void DebugStr(const unsigned char* debuggerMsg);
        #define DebugMessage(msg)   DebugStr("\p"msg)
        #define DebugMessageN1(msg, N1)
        #define DebugMessageN2(msg, N1, N2)
        #define DebugMessageN3(msg, N1, N2, N3)
    #else
        #include "CADebugPrintf.h"
        
        #if (CoreAudio_FlushDebugMessages && !CoreAudio_UseSysLog) || defined(CoreAudio_UseSideFile)
            #define FlushRtn    ,fflush(DebugPrintfFile)
        #else
            #define FlushRtn
        #endif
        
        #if     CoreAudio_ThreadStampMessages
            #include <pthread.h>
            #include "CAHostTimeBase.h"
            #define DebugMessage(msg)                                       DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: %s"DebugPrintfLineEnding, pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), msg) FlushRtn
            #define DebugMessageN1(msg, N1)                                 DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1) FlushRtn
            #define DebugMessageN2(msg, N1, N2)                             DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2) FlushRtn
            #define DebugMessageN3(msg, N1, N2, N3)                         DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3) FlushRtn
            #define DebugMessageN4(msg, N1, N2, N3, N4)                     DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4) FlushRtn
            #define DebugMessageN5(msg, N1, N2, N3, N4, N5)                 DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5) FlushRtn
            #define DebugMessageN6(msg, N1, N2, N3, N4, N5, N6)             DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6) FlushRtn
            #define DebugMessageN7(msg, N1, N2, N3, N4, N5, N6, N7)         DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7) FlushRtn
            #define DebugMessageN8(msg, N1, N2, N3, N4, N5, N6, N7, N8)     DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7, N8) FlushRtn
            #define DebugMessageN9(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9) DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: "msg"\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7, N8, N9) FlushRtn
        #elif   CoreAudio_TimeStampMessages
            #include "CAHostTimeBase.h"
            #define DebugMessage(msg)                                       DebugPrintfRtn(DebugPrintfFileComma "%.4f: %s"DebugPrintfLineEnding, pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), msg) FlushRtn
            #define DebugMessageN1(msg, N1)                                 DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1) FlushRtn
            #define DebugMessageN2(msg, N1, N2)                             DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2) FlushRtn
            #define DebugMessageN3(msg, N1, N2, N3)                         DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3) FlushRtn
            #define DebugMessageN4(msg, N1, N2, N3, N4)                     DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4) FlushRtn
            #define DebugMessageN5(msg, N1, N2, N3, N4, N5)                 DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5) FlushRtn
            #define DebugMessageN6(msg, N1, N2, N3, N4, N5, N6)             DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6) FlushRtn
            #define DebugMessageN7(msg, N1, N2, N3, N4, N5, N6, N7)         DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7) FlushRtn
            #define DebugMessageN8(msg, N1, N2, N3, N4, N5, N6, N7, N8)     DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7, N8) FlushRtn
            #define DebugMessageN9(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9) DebugPrintfRtn(DebugPrintfFileComma "%.4f: "msg DebugPrintfLineEnding, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), N1, N2, N3, N4, N5, N6, N7, N8, N9) FlushRtn
        #else
            #define DebugMessage(msg)                                       DebugPrintfRtn(DebugPrintfFileComma "%s"DebugPrintfLineEnding, msg) FlushRtn
            #define DebugMessageN1(msg, N1)                                 DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1) FlushRtn
            #define DebugMessageN2(msg, N1, N2)                             DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2) FlushRtn
            #define DebugMessageN3(msg, N1, N2, N3)                         DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3) FlushRtn
            #define DebugMessageN4(msg, N1, N2, N3, N4)                     DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4) FlushRtn
            #define DebugMessageN5(msg, N1, N2, N3, N4, N5)                 DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4, N5) FlushRtn
            #define DebugMessageN6(msg, N1, N2, N3, N4, N5, N6)             DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4, N5, N6) FlushRtn
            #define DebugMessageN7(msg, N1, N2, N3, N4, N5, N6, N7)         DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4, N5, N6, N7) FlushRtn
            #define DebugMessageN8(msg, N1, N2, N3, N4, N5, N6, N7, N8)     DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4, N5, N6, N7, N8) FlushRtn
            #define DebugMessageN9(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9) DebugPrintfRtn(DebugPrintfFileComma msg DebugPrintfLineEnding, N1, N2, N3, N4, N5, N6, N7, N8, N9) FlushRtn
        #endif
    #endif
    void    DebugPrint(const char *fmt, ...);   // can be used like printf
    #ifndef DEBUGPRINT
        #define DEBUGPRINT(msg) DebugPrint msg      // have to double-parenthesize arglist (see Debugging.h)
    #endif
    #if VERBOSE
        #define vprint(msg) DEBUGPRINT(msg)
    #else
        #define vprint(msg)
    #endif
    
    #if CoreAudio_StopOnFailure
        #include "CADebugger.h"
        #define STOP    CADebuggerStop()
    #else
        #define STOP
    #endif
 
#else
    #define DebugMessage(msg)
    #define DebugMessageN1(msg, N1)
    #define DebugMessageN2(msg, N1, N2)
    #define DebugMessageN3(msg, N1, N2, N3)
    #define DebugMessageN4(msg, N1, N2, N3, N4)
    #define DebugMessageN5(msg, N1, N2, N3, N4, N5)
    #define DebugMessageN6(msg, N1, N2, N3, N4, N5, N6)
    #define DebugMessageN7(msg, N1, N2, N3, N4, N5, N6, N7)
    #define DebugMessageN8(msg, N1, N2, N3, N4, N5, N6, N7, N8)
    #define DebugMessageN9(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9)
    #define DEBUGPRINT(msg)
    #define vprint(msg)
    #define STOP
#endif
 
void    LogError(const char *fmt, ...);         // writes to syslog (and stderr if debugging)
void    LogWarning(const char *fmt, ...);       // writes to syslog (and stderr if debugging)
 
#if DEBUG || CoreAudio_Debug
 
#pragma mark    Debug Macros
 
#define Assert(inCondition, inMessage)                                                  \
            if(!(inCondition))                                                          \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                STOP;                                                                   \
            }
 
#define AssertNoError(inError, inMessage)                                               \
            {                                                                           \
                SInt32 __Err = (inError);                                               \
                if(__Err != 0)                                                          \
                {                                                                       \
                    char __4CC[5] = CA4CCToCString(__Err);                              \
                    DebugMessageN2(inMessage ", Error: %d (%s)", (int)__Err, __4CC);        \
                    STOP;                                                               \
                }                                                                       \
            }
 
#define AssertNoKernelError(inError, inMessage)                                         \
            {                                                                           \
                unsigned int __Err = (unsigned int)(inError);                           \
                if(__Err != 0)                                                          \
                {                                                                       \
                    DebugMessageN1(inMessage ", Error: 0x%X", __Err);                   \
                    STOP;                                                               \
                }                                                                       \
            }
 
#define FailIf(inCondition, inHandler, inMessage)                                       \
            if(inCondition)                                                             \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                STOP;                                                                   \
                goto inHandler;                                                         \
            }
 
#define FailWithAction(inCondition, inAction, inHandler, inMessage)                     \
            if(inCondition)                                                             \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#define FailIfNULL(inPointer, inAction, inHandler, inMessage)                           \
            if((inPointer) == NULL)                                                     \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#define FailIfKernelError(inKernelError, inAction, inHandler, inMessage)                \
            {                                                                           \
                kern_return_t __Err = (inKernelError);                                  \
                if(__Err != 0)                                                          \
                {                                                                       \
                    DebugMessageN1(inMessage ", Error: 0x%X", __Err);                   \
                    STOP;                                                               \
                    { inAction; }                                                       \
                    goto inHandler;                                                     \
                }                                                                       \
            }
 
#define FailIfError(inError, inAction, inHandler, inMessage)                            \
            {                                                                           \
                SInt32 __Err = (inError);                                               \
                if(__Err != 0)                                                          \
                {                                                                       \
                    char __4CC[5] = CA4CCToCString(__Err);                              \
                    DebugMessageN2(inMessage ", Error: %ld (%s)", __Err, __4CC);        \
                    STOP;                                                               \
                    { inAction; }                                                       \
                    goto inHandler;                                                     \
                }                                                                       \
            }
 
#if defined(__cplusplus)
 
#define Throw(inException)  STOP; throw (inException)
 
#define ThrowIf(inCondition, inException, inMessage)                                    \
            if(inCondition)                                                             \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                Throw(inException);                                                     \
            }
 
#define ThrowIfNULL(inPointer, inException, inMessage)                                  \
            if((inPointer) == NULL)                                                     \
            {                                                                           \
                DebugMessage(inMessage);                                                \
                Throw(inException);                                                     \
            }
 
#define ThrowIfKernelError(inKernelError, inException, inMessage)                       \
            {                                                                           \
                kern_return_t __Err = (inKernelError);                                  \
                if(__Err != 0)                                                          \
                {                                                                       \
                    DebugMessageN1(inMessage ", Error: 0x%X", __Err);                   \
                    Throw(inException);                                                 \
                }                                                                       \
            }
 
#define ThrowIfError(inError, inException, inMessage)                                   \
            {                                                                           \
                SInt32 __Err = (inError);                                               \
                if(__Err != 0)                                                          \
                {                                                                       \
                    char __4CC[5] = CA4CCToCString(__Err);                              \
                    DebugMessageN2(inMessage ", Error: %d (%s)", (int)__Err, __4CC);        \
                    Throw(inException);                                                 \
                }                                                                       \
            }
 
#if TARGET_OS_WIN32
#define ThrowIfWinError(inError, inException, inMessage)                                \
            {                                                                           \
                HRESULT __Err = (inError);                                              \
                if(FAILED(__Err))                                                       \
                {                                                                       \
                    DebugMessageN2(inMessage ", Code: %d, Facility: 0x%X", HRESULT_CODE(__Err), HRESULT_FACILITY(__Err));           \
                    Throw(inException);                                                 \
                }                                                                       \
            }
#endif
 
#define SubclassResponsibility(inMethodName, inException)                               \
            {                                                                           \
                DebugMessage(inMethodName": Subclasses must implement this method");    \
                Throw(inException);                                                     \
            }
 
#endif  //  defined(__cplusplus)
 
#else
 
#pragma mark    Release Macros
 
#define Assert(inCondition, inMessage)                                                  \
            if(!(inCondition))                                                          \
            {                                                                           \
                STOP;                                                                   \
            }
 
#define AssertNoError(inError, inMessage)                                               \
            {                                                                           \
                SInt32 __Err = (inError);                                               \
                if(__Err != 0)                                                          \
                {                                                                       \
                    STOP;                                                               \
                }                                                                       \
            }
 
#define AssertNoKernelError(inError, inMessage)                                         \
            {                                                                           \
                unsigned int __Err = (unsigned int)(inError);                           \
                if(__Err != 0)                                                          \
                {                                                                       \
                    STOP;                                                               \
                }                                                                       \
            }
 
#define FailIf(inCondition, inHandler, inMessage)                                       \
            if(inCondition)                                                             \
            {                                                                           \
                STOP;                                                                   \
                goto inHandler;                                                         \
            }
 
#define FailWithAction(inCondition, inAction, inHandler, inMessage)                     \
            if(inCondition)                                                             \
            {                                                                           \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#define FailIfNULL(inPointer, inAction, inHandler, inMessage)                           \
            if((inPointer) == NULL)                                                     \
            {                                                                           \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#define FailIfKernelError(inKernelError, inAction, inHandler, inMessage)                \
            if((inKernelError) != 0)                                                    \
            {                                                                           \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#define FailIfError(inError, inAction, inHandler, inMessage)                            \
            if((inError) != 0)                                                          \
            {                                                                           \
                STOP;                                                                   \
                { inAction; }                                                           \
                goto inHandler;                                                         \
            }
 
#if defined(__cplusplus)
 
#define Throw(inException)  STOP; throw (inException)
 
#define ThrowIf(inCondition, inException, inMessage)                                    \
            if(inCondition)                                                             \
            {                                                                           \
                Throw(inException);                                                     \
            }
 
#define ThrowIfNULL(inPointer, inException, inMessage)                                  \
            if((inPointer) == NULL)                                                     \
            {                                                                           \
                Throw(inException);                                                     \
            }
 
#define ThrowIfKernelError(inKernelError, inException, inMessage)                       \
            {                                                                           \
                kern_return_t __Err = (inKernelError);                                  \
                if(__Err != 0)                                                          \
                {                                                                       \
                    Throw(inException);                                                 \
                }                                                                       \
            }
 
#define ThrowIfError(inError, inException, inMessage)                                   \
            {                                                                           \
                SInt32 __Err = (inError);                                               \
                if(__Err != 0)                                                          \
                {                                                                       \
                    Throw(inException);                                                 \
                }                                                                       \
            }
 
#if TARGET_OS_WIN32
#define ThrowIfWinError(inError, inException, inMessage)                                \
            {                                                                           \
                HRESULT __Err = (inError);                                              \
                if(FAILED(__Err))                                                       \
                {                                                                       \
                    Throw(inException);                                                 \
                }                                                                       \
            }
#endif
 
#define SubclassResponsibility(inMethodName, inException)                               \
            {                                                                           \
                Throw(inException);                                                     \
            }
 
#endif  //  defined(__cplusplus)
 
#endif  //  DEBUG || CoreAudio_Debug
 
#endif