On Wed, 2009-10-28, at 17:32, Adrian Thurston wrote:
> Store away to different variables using different actions.
In my real grammar I have a pattern that occurs in several parallel
machines and I need to extract several substrings from that pattern.
Using a separate action for every substring and every parent machine
would make my grammar unusable.
Even so, it seems the 'mon' expression will always use the same
actions. How can I use different actions on different invocations?
I thought about:
m1 = a1 mon >{ in = "m1" } b1;
m2 = a2 mon >{ in = "m2" } b1;
but this will not work if the 'mon' machines overlap.
That's why I thought about thread-local variables. If we have local
error actions can't we export some local context?
Thanks,
Devin
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