> I have already seen somebody here redefine the REBOL PRINT
> for use its own PRINT substitute with extensions instead and
> when leaving
> his own context put back the normal PRINT so everything seems
> normal after.
slim includes (as part of its basic toolset) a very advanced print mechanism, which
allows you indent every part of the code you are using.
vprint/vprobe also can be swicthed on and off run-time so that you can only see print
statements when you need them, yet still leave them in the code for future debugging.
because each slim uses its own context, you can switch the vprint on and off for each
module separately and this allows you to debug ONLY the part of the code you are
working on.
I give a simple example of an indented output in the console, when verbose is set to
on:
pane/gl-layout(none : 108x110)
------------------------
----- ROOT PANE ----
------------------------
pane/gl-layout(none : 106x108)
pane/gl-layout(none : 104x106)
gl.text/gl-layout(Packages: 102x22)
]
]
pane/gl-layout(none : 102x56)
pane/gl-layout(none : 80x56)
pane/gl-layout(none : 80x40)
gl.text/gl-layout(: 80x20)
]
]
gl.text/gl-layout(test-a.r: 80x20)
]
]
]
]
gl.box/gl-layout(none: 80x16)
]
]
in this example, the print statements in the functions themselves where silenced, but
you still a clean diagram of program flow and can easily identify an error...
all slim modules get the vprint system added at load time... so you don't have to
fiddle around with any of this... its free and its completely hands off... you only
have to use vprint instead of print and add the /in and /out refinement whenever you
want to indent code (which is usually at the begining of a function or a loop, and at
the end of these.
also note that all modules cooexist as part of the indentation, so different modules
using vprint, will all indent cleanly!
also note that this system uses the global print, leaving you to do your own
complimentary tricks... as usual... like saving to a log... yep... you get indented
logs...
sorry for this shameless plug ;-)
-MAx
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