Package lepl :: Package matchers :: Module memo :: Class _RMemo

Class _RMemo

A simple memoizer for grammars that do not have left recursion.

Making this class Transformable did not improve performance (it's better to place the transformation on critical classes like Or and And).

Instance Methods

__init__(self, matcher)

source code

_match(self, stream)
Attempt to match the stream.

source code

_untagged_match(self, stream)
Match the stream without trampolining.

source code

__iadd__(self, other)
Allow memos to wrap Delayed in rewriting.

source code

Method Details

Attempt to match the stream.

Decorators: