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On 25 Jul 2013 10:23, paultherrien@xxxxxxxxxxxxxxxxxx wrote:
So isn't using leave with a CMDLBL just a 'GOTO'?
In effect, for the processing of the code, yes they can be identical.
However as coded in the source, for the effect of the compile, they
can be somewhat dissimilar. If the code with the LEAVE is ever copied
or moved, the compiler can catch an inherently illogical change, whereas
that is effectively impossible with a GOTO which can go anywhere; only
duplicate labels will be caught for both. Move a nested iterative out
of its current nesting, and the referenced CMDLBL will cause the compile
to fail, but the GOTO will not fail, and will almost surely cause nasty
run-time effects.
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