Module: Rattler::Compiler::Optimizer::Flattening

Included in:
FlattenCapturingSequence, FlattenChoice, FlattenMatchingSequence
Defined in:
lib/rattler/compiler/optimizer/flattening.rb

Instance Method Summary collapse

Instance Method Details

#_applies_to?(parser, context) ⇒ Boolean

:nodoc:

Returns:

  • (Boolean) 


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# File 'lib/rattler/compiler/optimizer/flattening.rb', line 7

def _applies_to?(parser, context)
  parser.any? {|_| eligible_child? _ }
end

#_apply(parser, context) ⇒ Object 



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# File 'lib/rattler/compiler/optimizer/flattening.rb', line 11

def _apply(parser, context)
  children = parser.map {|_| eligible_child?(_) ? _.to_a : [_] }.reduce(:+)
  parser.class.new(children, parser.attrs)
end