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ChrisDodd / btyacc

Backtracking yacc
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Avoid crash when an input pops up an Action error at the first token #17

Closed zosrothko closed 8 years ago

zosrothko commented 8 years ago

Hi

This PR fixes the initialisation of yym & yyn to 0 to avoid a crash when an input pops up an Action error at the first token.