MulleObjCDebug

Functions for debugging and runtime inspection.

Print Functions

• _NSPrintForDebugger - Prints object description for debugger
• mulle_fprintf - Prints formatted text to file
• mulle_objc_warn_printf - Prints warning message

Environment Functions

• mulle_objc_environment_get_int - Gets environment variable as integer
• mulle_objc_environment_get_yes_no - Gets environment variable as boolean

Dump Functions

• MulleObjCHTMLDumpUniverse - Creates HTML dump of universe in current directory
• MulleObjCDotdumpClass - Creates DOT graph of class
• MulleObjCDumpObject - Prints object details to stderr

Usage Example

// Print debug info for object
id obj = self;
_NSPrintForDebugger(obj);

// Check debug environment variable
if (mulle_objc_environment_get_yes_no("MULLE_OBJC_TRACE_INSTANCE"))
{
   MulleObjCDumpObject(obj);
}

Important Notes

1. Debug Support
   • Functions only available when MULLE_OBJC_DEBUG_SUPPORT is defined
   • Output goes to stderr by default
   • HTML/DOT dumps require external tools to view
2. Environment Variables
   • MULLE_OBJC_TRACE_INSTANCE - Trace instance creation/destruction
   • MULLE_OBJC_TRACE_METHOD_CALL - Trace method calls
   • MULLE_OBJC_TRACE_UNIVERSE - Trace universe operations