Handle overflow in RNGLR SPPF builder

[woutersl]

Original report by Laurent Wouters (Bitbucket: 557058:675792b6-d731-4823-9f7d-c6dfcb2df2b5, ).

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On big inputs, the buffer for the reduction handle in SPPF builders (.Net and Java) can overflow. This happens for grammar rules that are longer than 1024 elements, or on big inputs with pathological uses of the + and * operators in the syntactic rules.

[woutersl]

Original comment by Laurent Wouters (Bitbucket: 557058:675792b6-d731-4823-9f7d-c6dfcb2df2b5, ).

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Verified.

[woutersl]

Original comment by Laurent Wouters (Bitbucket: 557058:675792b6-d731-4823-9f7d-c6dfcb2df2b5, ).

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[fix] Fixed issue #23 by growing the handle buffer

[woutersl]

Original comment by Laurent Wouters (Bitbucket: 557058:675792b6-d731-4823-9f7d-c6dfcb2df2b5, ).

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[fix] Fixed issue #23 by growing the handle buffer