66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
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// Copyright (c) 1993-1999 Microsoft Corporation
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/* Impure data used by modules originally in Y1.C. External declarations in Y1.H */
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#define y1imp yes
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#include "dtxtrn.h"
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/* lookahead computations */
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int tbitset; /* size of lookahead sets */
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struct looksets lkst [ LSETSIZE ];
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int nlset = 0; /* next lookahead set index */
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int nolook = 0; /* flag to suppress lookahead computations */
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struct looksets clset; /* temporary storage for lookahead computations */
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/* working set computations */
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struct wset wsets[ WSETSIZE ];
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struct wset *cwp;
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/* state information */
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int nstate = 0; /* number of states */
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struct item *pstate[NSTATES+2]; /* pointers to the descriptions of the states */
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SSIZE_T tystate[NSTATES]; /* contains type information about the states */
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SSIZE_T indgo[NSTATES]; /* index to the stored goto table */
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int tstates[ NTERMS ]; /* states generated by terminal gotos */
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int ntstates[ NNONTERM ]; /* states generated by nonterminal gotos */
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int mstates[ NSTATES ]; /* chain of overflows of term/nonterm generation lists */
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/* storage for the actions in the parser */
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SSIZE_T amem[ACTSIZE]; /* action table storage */
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SSIZE_T *memp = amem; /* next free action table position */
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/* other storage areas */
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SSIZE_T temp1[TEMPSIZE]; /* temporary storage, indexed by terms + ntokens or states */
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int lineno= 1; /* current input line number */
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int fatfl = 1; /* if on, error is fatal */
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int nerrors = 0; /* number of errors */
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/* storage for information about the nonterminals */
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SSIZE_T **pres[NNONTERM+2]; /* vector of pointers to productions yielding each nonterminal */
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struct looksets *pfirst[NNONTERM+2]; /* vector of pointers to first sets for each nonterminal */
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SSIZE_T pempty[NNONTERM+1]; /* vector of nonterminals nontrivially deriving e */
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/* accumulators for statistics information */
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struct wset *zzcwp = wsets;
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int zzgoent = 0;
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int zzgobest = 0;
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int zzacent = 0;
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int zzexcp = 0;
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int zzclose = 0;
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int zzsrconf = 0;
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SSIZE_T * zzmemsz = mem0;
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int zzrrconf = 0;
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/* data pulled from internal static to here */
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/* declared external only in user module */
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SSIZE_T *pyield[NPROD]; /* from ycpres */
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char sarr[ISIZE]; /* from ywritm */
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