6.1 and further changes to the language

Jason Garber jason.gar... at gmail.com
Thu Feb 14 18:55:22 UTC 2008

Wonderful!  That was a badly needed feature.  Thanks!

On Feb 14, 12:37 pm, Adrian Thurston <thurs... at cs.queensu.ca> wrote:
> Hi,
> I'm planning a 6.1 release with further changes to the language that
> will break backwards compatibility.
> When scanners were first made there was no consideration to getting
> leaving actions at the end of a scanner pattern to execute. Now it
> stands out to me as an inconsistency that needs to be fixed.
> I don't expect people to embed a leaving action right before the pattern
> action is specified. You should still use the scanner action instead.
> The problem is with machine definitions used at the end of a scanner
> pattern that have leaving actions inside. These may do some cleanup or
> other final processing at the end of a machine definition and should be
> executed.

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