Pegged, a Parsing Expression Grammar (PEG) generator in D

Philippe Sigaud philippe.sigaud at gmail.com
Sun Mar 11 10:13:25 PDT 2012


> Quick question, you mention the ability to opt-out of the
space-insensitivity, where might one find this?

Yes, undocumented. Use the '>' operator.

You know, I introduced space-insensitivity recently, to simplify some rules
and it keeps biting me back.

For example

Line <- (!EOL .)* EOL

The catch is, the (!EOL .) sequence accepts spaces (so, line terminators)
between the !EOL and the .

Crap.

So, I keep writing

Line <- (!EOL > .)* EOL

And I'm more and more convinced that ws a bbad move on my part. Or, at
least, give the user a way to opt-out for an entire rule.
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