nest

Purpose

Invoke a recursive rules pass on nodes that matched the current rule element.

Remarks

recurse, passes and pass are alternate forms for nest.  

See the RECURSE Region discussion for more information on nested minipasses.

Example

# This is the tagrules minipass.
@RECURSE tagrules

# This rule in the minipass operates on the phrase of nodes that
# matched _xWILD in the _tag rule.
@RULES
_keywords <-
 keywords
 \=
 \(
 _xALPHA [star]
 \)
 @@

@@RECURSE tagrules

# This is the main rules area, called the Grammar Zone.
# When this rule matches, it invokes a minipass to process
# the nodes that matched the _xWILD wildcard.
@RULES
_tag <- \< _xWILD [nest=(tagrules)] \> @@

See Also

Phrase Element Modifiers