iPhone Application Development: Using gdb

gdb is a command line debugger. In addition to XCode providing a graphical debugger, Apple includes the gdb debugger with XCode. Setting a breakpoint is as easy as double clicking in the left margin of XCode. This is similar to Eclipse. For those new to gdb, here are a few basic gdb commands to get you started.


print-object anObj
print-object [anObj description]
print-object [nsStr stringByAppendingString:@" yes"]
print (int) [@"John Galt" length]
print (char *) [nsStr UTF8String]

other commands:
call [exp]: Calls the function
set [var] = [exp]
whatis [variable]: print details about variable
help