Differential D26509 Diff 77315 head/contrib/one-true-awk/awk.h

Changeset View

Standalone View

head/contrib/one-true-awk/awk.h

	Show First 20 Lines • Show All 212 Lines • ▼ Show 20 Lines
	/* #define freeable(p) (!((p)->tval & DONTFREE)) */			/* #define freeable(p) (!((p)->tval & DONTFREE)) */
	#define freeable(p) ( ((p)->tval & (STR\|DONTFREE)) == STR )			#define freeable(p) ( ((p)->tval & (STR\|DONTFREE)) == STR )

	/* structures used by regular expression matching machinery, mostly b.c: */			/* structures used by regular expression matching machinery, mostly b.c: */

	#define NCHARS (256+3) /* 256 handles 8-bit chars; 128 does 7-bit */			#define NCHARS (256+3) /* 256 handles 8-bit chars; 128 does 7-bit */
	/* watch out in match(), etc. */			/* watch out in match(), etc. */
	#define NSTATES 32			#define NSTATES 32
				#define HAT (NCHARS+2) /* matches ^ in regular expr */
				/* NCHARS is 2*n /

	typedef struct rrow {			typedef struct rrow {
	long ltype; /* long avoids pointer warnings on 64-bit */			long ltype; /* long avoids pointer warnings on 64-bit */
	union {			union {
	int i;			int i;
	Node *np;			Node *np;
	uschar *up;			uschar *up;
	} lval; /* because Al stores a pointer in it! */			} lval; /* because Al stores a pointer in it! */
	int *lfollow;			int *lfollow;
	} rrow;			} rrow;

	typedef struct fa {			typedef struct fa {
	uschar gototab[NSTATES][NCHARS];			uschar gototab[NSTATES][HAT + 1];
	uschar out[NSTATES];			uschar out[NSTATES];
	uschar *restr;			uschar *restr;
	int *posns[NSTATES];			int *posns[NSTATES];
	int anchor;			int anchor;
	int use;			int use;
	int initstat;			int initstat;
	int curstat;			int curstat;
	int accept;			int accept;
	int reset;			int reset;
	struct rrow re[1]; /* variable: actual size set by calling malloc */			struct rrow re[1]; /* variable: actual size set by calling malloc */
	} fa;			} fa;


	#include "proto.h"			#include "proto.h"