Submitted by vivekanandan on Fri, 02/19/2010 - 05:58 Understanding Lemon generated Parsers Lemon uses LALR (1) parsers means Look Ahead exactly one token from Left to Right. When the parser receive the input Token, it also reads previous State number from the Parser stack. Using this Token and State number Parser process with the pre calculated Tables like yy_action, yy_shift_ofst, yy_reduce_ofst