1 files changed, 236 insertions, 0 deletions
diff --git a/src/cmd/grap/grap.h b/src/cmd/grap/grap.h
new file mode 100644
index 00000000..65c7f83f
--- /dev/null
+++ b/src/cmd/grap/grap.h
@@ -0,0 +1,236 @@
+extern	char	errbuf[200];
+#define	ERROR	sprintf(errbuf,
+#define	FATAL	), yyerror(errbuf), exit(1)
+#define	WARNING	), yyerror(errbuf)
+
+#define	dprintf	if(dbg)printf
+
+#define	String	01
+#define	Macro	02
+#define	File	04
+#define	Char	010
+#define	Thru	020
+#define	Free	040
+
+#define	MARGIN	0.07	/* default margin around data */
+#define	SLOP	1.001	/* slop for limits of for loops */
+#define	FRAMEWID 3	/* default width for boxes and ellipses */
+#define	FRAMEHT	2	/* default height and line length */
+#define	TICKLEN	0.1
+
+#define	MAXNUM	200
+
+#define	XFLAG	01
+#define	YFLAG	02
+
+#define	INTICK	01
+#define	OUTICK	02
+
+#define	BOT	01
+#define	TOP	02
+#define	RIGHT	04
+#define	LEFT	010
+
+#define	RJUST	01
+#define	LJUST	02
+#define	ABOVE	04
+#define	BELOW	010
+
+typedef struct infile {
+	FILE	*fin;
+	char	*fname;
+	int	lineno;
+} Infile;
+
+typedef struct {	/* input source */
+	int	type;	/* Macro, String, File */
+	char	*sp;	/* if String or Macro */
+} Src;
+
+extern	Src	src[], *srcp;	/* input source stack */
+
+#define	MAXARGS	100
+typedef struct {	/* argument stack */
+	char	*argstk[MAXARGS];	/* pointers to args */
+	char	*argval;	/* points to space containing args */
+} Arg;
+
+extern	Infile	infile[10];
+extern	Infile	*curfile;
+
+typedef struct {
+	struct obj *obj;
+	double	x, y;
+} Point;
+
+typedef struct attr {	/* e.g., DASH 1.1 or "..." rjust size *.5 */
+	int	type;
+	double	fval;
+	char	*sval;
+	int	just;	/* justification, for STRING type */
+	int	op;	/* optional operator, ditto */
+	struct attr *next;
+} Attr;
+
+typedef struct obj {	/* a name and its properties */
+	char	*name;
+	char	*val;	/* body of define, etc. */
+	double	fval;	/* if a numeric variable */
+	Point	pt;	/* usually for max and min */
+	Point	pt1;
+	int	type;	/* NAME, DEFNAME, ... */
+	int	first;	/* 1 after 1st item seen */
+	int	coord;	/* 1 if coord system specified for this name */
+	int	log;	/* x, y, or z (= x+y) */
+	Attr	*attr;	/* DASH, etc., for now */
+	struct obj *next;
+} Obj;
+
+typedef union {		/* the yacc stack type */
+	int	i;
+	char	*p;
+	double	f;
+	Point	pt;
+	Obj	*op;
+	Attr	*ap;
+} YYSTYPE;
+
+extern	YYSTYPE	yylval, yyval;
+
+extern	int	dbg;
+
+extern	int	ntext;
+extern	double	num[MAXNUM];
+extern	int	nnum;
+extern	int	ntick, tside;
+
+extern	char	*tostring(char *);
+extern char *grow(char *, char *, int, int);
+
+extern	int	lineno;
+extern	int	synerr;
+extern	int	codegen;
+extern	char	tempfile[];
+extern	FILE	*tfd;
+
+extern	Point	ptmin, ptmax;
+
+extern	char	*dflt_coord;
+extern	char	*curr_coord;
+extern	int	ncoord;
+extern	int	auto_x;
+extern	double	margin;
+extern	int	autoticks;
+extern	int	pointsize, ps_set;
+
+
+#define	logit(x) (x) = log10(x)
+#define	Log10(x) errcheck(log10(x), "log")
+#define	Exp(x)	errcheck(exp(x), "exp")
+#define	Sqrt(x)	errcheck(sqrt(x), "sqrt")
+
+#define	min(x,y)	(((x) <= (y)) ? (x) : (y))
+#define	max(x,y)	(((x) >= (y)) ? (x) : (y))
+
+extern	void	yyerror(char *);
+extern void coord_x(Point);
+extern void coord_y(Point);
+extern void coordlog(int);
+extern void coord(Obj *);
+extern void resetcoord(Obj *);
+extern void savenum(int, double);
+extern void setjust(int);
+extern void setsize(int, double);
+extern void range(Point);
+extern void halfrange(Obj *, int, double);
+extern Obj *lookup(char *, int);
+extern double getvar(Obj *);
+extern double setvar(Obj *, double);
+extern Point makepoint(Obj *, double, double);
+extern Attr *makefattr(int, double);
+extern Attr *makesattr(char *);
+extern Attr *makeattr(int, double, char *, int, int);
+extern Attr *addattr(Attr *, Attr *);
+extern void freeattr(Attr *);
+extern char *slprint(Attr *);
+extern char *juststr(int);
+extern char *sprntf(char *, Attr *);
+extern void forloop(Obj *, double, double, int, double, char *);
+extern void nextfor(void);
+extern void endfor(void);
+extern char *ifstat(double, char *, char *);
+extern void frame(void);
+extern void frameht(double);
+extern void framewid(double);
+extern void frameside(int, Attr *);
+extern void pushsrc(int, char *);
+extern void popsrc(void);
+extern void definition(char *);
+extern char *delimstr(char *);
+extern int baldelim(int, char *);
+extern void dodef(Obj *);
+extern int getarg(char *);
+extern int input(void);
+extern int nextchar(void);
+extern void do_thru(void);
+extern int unput(int);
+extern void pbstr(char *);
+extern double errcheck(double, char *);
+extern void yyerror(char *);
+extern void eprint(void);
+extern int yywrap(void);
+extern void copyfile(char *);
+extern void copydef(Obj *);
+extern Obj *copythru(char *);
+extern char *addnewline(char *);
+extern void copyuntil(char *);
+extern void copy(void);
+extern void shell_init(void);
+extern void shell_text(char *);
+extern void shell_exec(void);
+extern void labelwid(double);
+extern void labelmove(int, double);
+extern void label(int, Attr *);
+extern void lab_adjust(void);
+extern char *sizeit(Attr *);
+extern void line(int, Point, Point, Attr *);
+extern void circle(double, Point);
+extern char *xyname(Point);
+extern void pic(char *);
+extern void numlist(void);
+extern void plot(Attr *, Point);
+extern void plotnum(double, char *, Point);
+extern void drawdesc(int, Obj *, Attr *, char *);
+extern void next(Obj *, Point, Attr *);
+extern void print(void);
+extern void endstat(void);
+extern void graph(char *);
+extern void setup(void);
+extern void do_first(void);
+extern void reset(void);
+extern void opentemp(void);
+extern void savetick(double, char *);
+extern void dflt_tick(double);
+extern void tickside(int);
+extern void tickoff(int);
+extern void gridtickoff(void);
+extern void setlist(void);
+extern void tickdir(int, double, int);
+extern void ticks(void);
+extern double modfloor(double, double);
+extern double modceil(double, double);
+extern void do_autoticks(Obj *);
+extern void logtick(double, double, double);
+extern Obj *setauto(void);
+extern void autoside(Obj *, int);
+extern void autolog(Obj *, int);
+extern void iterator(double, double, int, double, char *);
+extern void ticklist(Obj *, int);
+extern void print_ticks(int, int, Obj *, char *, char *);
+extern void maketick(int, char *, int, int, double, char *, char *, char *);
+extern void griddesc(Attr *);
+extern void gridlist(Obj *);
+extern char *desc_str(Attr *);
+extern int sidelog(int, int);
+
+extern	Obj	*objlist;