/********************************************************************************/ /* ************* */ /* * Y 1 . H * */ /* ************* */ /* */ /* This file contains the external declarations needed to hook Yacc modules */ /* which were originally in Y1.C to their impure data in Y1IMP.1C. Also does */ /* the include of the original data/external file DTXTRN.H. */ /* */ /********************************************************************************/ #include "dtxtrn.h" /* lookahead computations */ extern int tbitset; /* size of lookahead sets */ extern int nlset; /* next lookahead set index */ extern struct looksets clset; /* temporary storage for lookahead computations */ /* other storage areas */ extern int fatfl; /* if on, error is fatal */ extern int nerrors; /* number of errors */ /* storage for information about the nonterminals */ extern int **pres[ ]; /* vector of pointers to productions yielding each nonterminal */ extern struct looksets *pfirst[ ]; /* vector of pointers to first sets for each nonterminal */ extern int pempty[ ]; /* vector of nonterminals nontrivially deriving e */ /* accumulators for statistics information */ extern struct wset *zzcwp; extern int * zzmemsz;