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A lambda calculus expression parser.
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Methods
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__init__
feed
isVariable
next
process
token
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__init__
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__init__ ( self, data=None )
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feed
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feed ( self, data )
Feed another batch of data to the parser.
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isVariable
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isVariable ( self, token )
Is this token a variable (that is, not one of the other types)?
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next
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next ( self )
Parse the next complete expression from the stream and return it.
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Exceptions
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Error, "parse error, unexpected token: %s" % tok
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process
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process ( self )
Process the waiting stream to make it trivial to parse.
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token
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token ( self, destructive=1 )
Get the next waiting token. The destructive flag indicates
whether the token will be removed from the buffer; setting it to
0 gives lookahead capability.
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