Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/lex-err-msgs/ldefs.h

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Distributed under the MIT License.
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# include <u.h>
# include <libc.h>
# include <ctype.h>
# include <bio.h>
# define PP 1

# define CWIDTH 8
# define CMASK 0377
# define NCH 256


# define TOKENSIZE 1000
# define DEFSIZE 40
# define DEFCHAR 1000
# define STARTCHAR 100
# define STARTSIZE 256
# define CCLSIZE 1000

# define TREESIZE 1000
# define NSTATES 500
# define MAXPOS 2500
# define NTRANS 2000
# define NOUTPUT 5000

# define NACTIONS 100
# define ALITTLEEXTRA 30

# define RCCL NCH+90
# define RNCCL NCH+91
# define RSTR NCH+92
# define RSCON NCH+93
# define RNEWE NCH+94
# define FINAL NCH+95
# define RNULLS NCH+96
# define RCAT NCH+97
# define STAR NCH+98
# define PLUS NCH+99
# define QUEST NCH+100
# define DIV NCH+101
# define BAR NCH+102
# define CARAT NCH+103
# define S1FINAL NCH+104
# define S2FINAL NCH+105

# define DEFSECTION 1
# define RULESECTION 2
# define ENDSECTION 5
# define TRUE 1
# define FALSE 0

# define PC 1
# define PS 1

# ifdef DEBUG
# define LINESIZE 110
extern int yydebug;
extern int debug;		/* 1 = on */
extern int charc;
# endif

# ifdef DEBUG
extern int	freturn(int);
# else
# define freturn(s) s
# endif

extern int sargc;
extern char **sargv;
extern uchar buf[520];
extern int yyline;		/* line number of file */
extern char *yyfile;		/* file name of file */
extern int sect;
extern int eof;
extern int lgatflg;
extern int divflg;
extern int funcflag;
extern int pflag;
extern int casecount;
extern int chset;	/* 1 = char set modified */
extern Biobuf *fin, fout, *fother;
extern int foutopen;
extern int errorf;
extern int fptr;
extern char *cname;
extern int prev;	/* previous input character */
extern int pres;	/* present input character */
extern int peek;	/* next input character */
extern int *name;
extern int *left;
extern int *right;
extern int *parent;
extern uchar **ptr;
extern uchar *nullstr;
extern int tptr;
extern uchar pushc[TOKENSIZE];
extern uchar *pushptr;
extern uchar slist[STARTSIZE];
extern uchar *slptr;
extern uchar **def, **subs, *dchar;
extern uchar **sname, *stchar;
extern uchar *ccl;
extern uchar *ccptr;
extern uchar *dp, *sp;
extern int dptr, sptr;
extern uchar *bptr;		/* store input position */
extern uchar *tmpstat;
extern int count;
extern int **foll;
extern int *nxtpos;
extern int *positions;
extern int *gotof;
extern int *nexts;
extern uchar *nchar;
extern int **state;
extern int *sfall;		/* fallback state num */
extern uchar *cpackflg;		/* true if state has been character packed */
extern int *atable, aptr;
extern int nptr;
extern uchar symbol[NCH];
extern uchar cindex[NCH];
extern int xstate;
extern int stnum;
extern int ccount;
extern uchar match[NCH];
extern uchar extra[NACTIONS];
extern uchar *pcptr, *pchar;
extern int pchlen;
extern int nstates, maxpos;
extern int yytop;
extern int report;
extern int ntrans, treesize, outsize;
extern long rcount;
extern int *verify, *advance, *stoff;
extern int scon;
extern uchar *psave;

extern void	acompute(int);
extern void	add(int **, int);
extern void	allprint(int);
extern void	cclinter(int);
extern void	cgoto(void);
extern void	cfoll(int);
extern int	cpyact(void);
extern int	dupl(int);
extern void	error(char *,...);
extern void	first(int);
extern void	follow(int);
extern int	gch(void);
extern uchar	*getl(uchar *);
extern void	layout(void);
extern void	lgate(void);
extern int	lookup(uchar *, uchar **);
extern int	member(int, uchar *);
extern void	mkmatch(void);
extern int	mn0(int);
extern int	mn1(int, int);
extern int	mnp(int, void*);
extern int	mn2(int, int, int);
extern void	munputc(int);
extern void	munputs(uchar *);
extern void	*myalloc(int, int);
extern void	nextstate(int, int);
extern int	notin(int);
extern void	packtrans(int, uchar *, int *, int, int);
extern void	padd(int **, int);
extern void	pccl(void);
extern void	pfoll(void);
extern void	phead1(void);
extern void	phead2(void);
extern void	pstate(int);
extern void	ptail(void);
extern void	sect1dump(void);
extern void	sect2dump(void);
extern void	statistics(void);
extern void	stprt(int);
extern void	strpt(uchar *);
extern void	treedump(void);
extern int	usescape(int);
extern void	warning(char *,...);
extern int	yyparse(void);
extern void	yyerror(char *);

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