/***** spin: ps_msc.c *****/ /* Copyright (c) 1997-2003 by Lucent Technologies, Bell Laboratories.     *//* All Rights Reserved.  This software is for educational purposes only.  *//* No guarantee whatsoever is expressed or implied by the distribution of *//* this code.  Permission is given to distribute this code provided that  *//* this introductory message is not removed and no monies are exchanged.  *//* Software written by Gerard J. Holzmann.  For tool documentation see:   *//*             http://spinroot.com/                                       *//* Send all bug-reports and/or questions to: bugs@spinroot.com            */ /* The Postscript generation code below was written by Gerard J. Holzmann *//* in June 1997. Parts of the prolog template are based on similar boiler *//* plate in the Tcl/Tk distribution. This code is used to support Spin's  *//* option -M for generating a Postscript file from a simulation run.      */ #include "spin.h"#include "version.h" /* extern void free(void *); */ static char *PsPre[] = {	"%%%%Pages: (atend)",	"%%%%PageOrder: Ascend",	"%%%%DocumentData: Clean7Bit",	"%%%%Orientation: Portrait",	"%%%%DocumentNeededResources: font Courier-Bold",	"%%%%EndComments",	"",	"%%%%BeginProlog",	"50 dict begin",	"",	"/baseline 0 def",	"/height 0 def",	"/justify 0 def",	"/lineLength 0 def",	"/spacing 0 def",	"/stipple 0 def",	"/strings 0 def",	"/xoffset 0 def",	"/yoffset 0 def",	"",	"/ISOEncode {",	"    dup length dict begin",	"	{1 index /FID ne {def} {pop pop} ifelse} forall",	"	/Encoding ISOLatin1Encoding def",	"	currentdict",	"    end",	"    /Temporary exch definefont",	"} bind def",	"",	"/AdjustColor {",	"    CL 2 lt {",	"	currentgray",	"	CL 0 eq {",	"	    .5 lt {0} {1} ifelse",	"	} if",	"	setgray",	"    } if",	"} bind def",	"",	"/DrawText {",	"    /stipple exch def",	"    /justify exch def",	"    /yoffset exch def",	"    /xoffset exch def",	"    /spacing exch def",	"    /strings exch def",	"    /lineLength 0 def",	"    strings {",	"	stringwidth pop",	"	dup lineLength gt {/lineLength exch def} {pop} ifelse",	"	newpath",	"    } forall",	"    0 0 moveto (TXygqPZ) false charpath",	"    pathbbox dup /baseline exch def",	"    exch pop exch sub /height exch def pop",	"    newpath",	"    translate",	"    lineLength xoffset mul",	"    strings length 1 sub spacing mul height add yoffset mul translate",	"    justify lineLength mul baseline neg translate",	"    strings {",	"	dup stringwidth pop",	"	justify neg mul 0 moveto",	"	stipple {",	"	    gsave",	"	    /char (X) def",	"	    {",	"		char 0 3 -1 roll put",	"		currentpoint",	"		gsave",	"		char true charpath clip StippleText",	"		grestore",	"		char stringwidth translate",	"		moveto",	"	    } forall",	"	    grestore",	"	} {show} ifelse",	"	0 spacing neg translate",	"    } forall",	"} bind def",	"%%%%EndProlog",	"%%%%BeginSetup",	"/CL 2 def",	"%%%%IncludeResource: font Courier-Bold",	"%%%%EndSetup",	0,}; static int MH  = 600;	/* page height - can be scaled */static int oMH = 600;	/* page height - not scaled */#define MW	500	/* page width */#define LH	100	/* bottom margin */#define RH	100	/* right margin */#define WW	 50	/* distance between process lines */#define HH	  8	/* vertical distance between steps */#define PH	 14	/* height of process-tag headers */ static FILE	*pfd;static char	**I;		/* initial procs */static int	*D,*R;		/* maps between depth and ldepth */static short	*M;		/* x location of each box at index y */static short	*T;		/* y index of match for each box at index y */static char	**L;		/* text labels */static char	*ProcLine;	/* active processes */static int	pspno = 0;	/* postscript page */static int	ldepth = 1;static int	maxx, TotSteps = 2*4096; /* max nr of steps, about 40 pages */static float	Scaler = (float) 1.0; extern int	ntrail, s_trail, pno, depth;extern Symbol	*oFname;extern void	exit(int);void putpages(void);void spitbox(int, int, int, char *); voidputlegend(void){	fprintf(pfd, "gsave\n");	fprintf(pfd, "/Courier-Bold findfont 8 scalefont ");	fprintf(pfd, "ISOEncode setfont\n");	fprintf(pfd, "0.000 0.000 0.000 setrgbcolor AdjustColor\n");	fprintf(pfd, "%d %d [\n", MW/2, LH+oMH+ 5*HH);	fprintf(pfd, "    (%s -- %s -- MSC -- %d)\n] 10 -0.5 0.5 0 ",		SpinVersion, oFname?oFname->name:"", pspno);	fprintf(pfd, "false DrawText\ngrestore\n");} voidstartpage(void){	int i; 	pspno++;	fprintf(pfd, "%%%%Page: %d %d\n", pspno, pspno);	putlegend(); 	for (i = TotSteps-1; i >= 0; i--)	{	if (!I[i]) continue;		spitbox(i, RH, -PH, I[i]);	} 	fprintf(pfd, "save\n");	fprintf(pfd, "10 %d moveto\n", LH+oMH+5);	fprintf(pfd, "%d %d lineto\n", RH+MW, LH+oMH+5);	fprintf(pfd, "%d %d lineto\n", RH+MW, LH);	fprintf(pfd, "10 %d lineto\n", LH);	fprintf(pfd, "closepath clip newpath\n");	fprintf(pfd, "%f %f translate\n",		(float) RH, (float) LH);	memset(ProcLine, 0, 256*sizeof(char));	if (Scaler != 1.0)		fprintf(pfd, "%f %f scale\n", Scaler, Scaler);} voidputprelude(void){	char snap[256]; FILE *fd; 	sprintf(snap, "%s.ps", oFname?oFname->name:"msc");	if (!(pfd = fopen(snap, MFLAGS)))		fatal("cannot create file '%s'", snap); 	fprintf(pfd, "%%!PS-Adobe-2.0\n");	fprintf(pfd, "%%%%Creator: %s\n", SpinVersion);	fprintf(pfd, "%%%%Title: MSC %s\n", oFname?oFname->name:"--");	fprintf(pfd, "%%%%BoundingBox: 119 154 494 638\n");	ntimes(pfd, 0, 1, PsPre); 	if (s_trail)	{	if (ntrail)		sprintf(snap, "%s%d.trail", oFname?oFname->name:"msc", ntrail);		else		sprintf(snap, "%s.trail", oFname?oFname->name:"msc");		if (!(fd = fopen(snap, "r")))		{	snap[strlen(snap)-2] = '\0';			if (!(fd = fopen(snap, "r")))				fatal("cannot open trail file", (char *) 0);		}		TotSteps = 1;		while (fgets(snap, 256, fd)) TotSteps++;		fclose(fd);	}	TotSteps += 10;	R = (int   *) emalloc(TotSteps * sizeof(int));	D = (int   *) emalloc(TotSteps * sizeof(int));	M = (short *) emalloc(TotSteps * sizeof(short));	T = (short *) emalloc(TotSteps * sizeof(short));	L = (char **) emalloc(TotSteps * sizeof(char *));	I = (char **) emalloc(TotSteps * sizeof(char *));	ProcLine = (char *) emalloc(1024 * sizeof(char));	startpage();} voidputpostlude(void){	putpages();	fprintf(pfd, "%%%%Trailer\n");	fprintf(pfd, "end\n");	fprintf(pfd, "%%%%Pages: %d\n", pspno);	fprintf(pfd, "%%%%EOF\n");	fclose(pfd);	/* stderr, in case user redirected output */	fprintf(stderr, "spin: wrote %d pages into '%s.ps'\n",		pspno, oFname?oFname->name:"msc");	exit(0);} voidpsline(int x0, int iy0, int x1, int iy1, float r, float g, float b, int w){	int y0 = MH-iy0;	int y1 = MH-iy1; 	if (y1 > y0) y1 -= MH; 	fprintf(pfd, "gsave\n");	fprintf(pfd, "%d %d moveto\n", x0*WW, y0);	fprintf(pfd, "%d %d lineto\n", x1*WW, y1);	fprintf(pfd, "%d setlinewidth\n", w);	fprintf(pfd, "0 setlinecap\n");	fprintf(pfd, "1 setlinejoin\n");	fprintf(pfd, "%f %f %f setrgbcolor AdjustColor\n", r,g,b);	fprintf(pfd, "stroke\ngrestore\n");} voidcolbox(int x, int y, int w, int h, float r, float g, float b){	fprintf(pfd, "%d %d moveto\n", x - w, y-h);	fprintf(pfd, "%d %d lineto\n", x + w, y-h);	fprintf(pfd, "%d %d lineto\n", x + w, y+h);	fprintf(pfd, "%d %d lineto\n", x - w, y+h);	fprintf(pfd, "%d %d lineto\n", x - w, y-h);	fprintf(pfd, "%f %f %f setrgbcolor AdjustColor\n", r,g,b);	fprintf(pfd, "closepath fill\n");} voidputgrid(int p){	int i; 	for (i = p ; i >= 0; i--)	{	if (!ProcLine[i])		{	psline(i, 0, i, MH-1, (float) (0.4), (float) (0.4), (float) (1.0), 1);			ProcLine[i] = 1;	}	}} voidputarrow(int from, int to){	T[D[from]] = D[to];} voidstepnumber(int i){	int y = MH-(i*HH)%MH; 	fprintf(pfd, "gsave\n");	fprintf(pfd, "/Courier-Bold findfont 6 scalefont ");	fprintf(pfd, "ISOEncode setfont\n");	fprintf(pfd, "0.000 0.000 0.000 setrgbcolor AdjustColor\n");	fprintf(pfd, "%d %d [\n", -40, y);	fprintf(pfd, "    (%d)\n] 10 -0.5 0.5 0 ", R[i]);	fprintf(pfd, "false DrawText\ngrestore\n");	fprintf(pfd, "%d %d moveto\n", -20, y);	fprintf(pfd, "%d %d lineto\n", M[i]*WW, y);	fprintf(pfd, "1 setlinewidth\n0 setlinecap\n1 setlinejoin\n");	fprintf(pfd, "0.92 0.92 0.92 setrgbcolor AdjustColor\n");	fprintf(pfd, "stroke\n");} voidspitbox(int x, int dx, int y, char *s){	float r,g,b, bw; int a; char d[256]; 	if (!dx)	{	stepnumber(y);		putgrid(x);	}	bw = (float)2.7*(float)strlen(s);	colbox(x*WW+dx, MH-(y*HH)%MH, (int) (bw+1.0),		5, (float) 0.,(float) 0.,(float) 0.);	if (s[0] == '~')	{	switch (s[1]) {		case 'B': r = (float) 0.2; g = (float) 0.2; b = (float) 1.;			  break;		case 'G': r = (float) 0.2; g = (float) 1.; b = (float) 0.2;			  break;		case 'R':		default : r = (float) 1.; g = (float) 0.2; b = (float) 0.2;			  break;		}		s += 2;	} else if (strchr(s, '!'))	{	r = (float) 1.; g = (float) 1.; b = (float) 1.;	} else if (strchr(s, '?'))	{	r = (float) 0.; g = (float) 1.; b = (float) 1.;	} else	{	r = (float) 1.; g = (float) 1.; b = (float) 0.;		if (!dx		&&  sscanf(s, "%d:%250s", &a, d) == 2	/* was &d */		&&  a >= 0 && a < TotSteps)		{	if (!I[a]			||  strlen(I[a]) <= strlen(s))				I[a] = emalloc((int) strlen(s)+1);			strcpy(I[a], s);	}	}	colbox(x*WW+dx, MH-(y*HH)%MH, (int) bw, 4, r,g,b);	fprintf(pfd, "gsave\n");	fprintf(pfd, "/Courier-Bold findfont 8 scalefont ");	fprintf(pfd, "ISOEncode setfont\n");	fprintf(pfd, "0.000 0.000 0.000 setrgbcolor AdjustColor\n");	fprintf(pfd, "%d %d [\n", x*WW+dx, MH-(y*HH)%MH);	fprintf(pfd, "    (%s)\n] 10 -0.5 0.5 0 ", s);	fprintf(pfd, "false DrawText\ngrestore\n");} voidputpages(void){	int i, lasti=0; float nmh; 	if (maxx*WW > MW-RH/2)	{	Scaler = (float) (MW-RH/2) / (float) (maxx*WW);		fprintf(pfd, "%f %f scale\n", Scaler, Scaler);		nmh = (float) MH; nmh /= Scaler; MH = (int) nmh;	} 	for (i = TotSteps-1; i >= 0; i--)	{	if (!I[i]) continue;		spitbox(i, 0, 0, I[i]);	}	if (ldepth >= TotSteps) ldepth = TotSteps-1;	for (i = 0; i <= ldepth; i++)	{	if (!M[i] && !L[i]) continue;	/* no box here */		if (6+i*HH >= MH*pspno)		{ fprintf(pfd, "showpage\nrestore\n"); startpage(); }		if (T[i] > 0)	/* red arrow */		{	int reali = i*HH;			int realt = T[i]*HH;			int topop = (reali)/MH; topop *= MH;			reali -= topop;  realt -= topop; 			if (M[i] == M[T[i]] && reali == realt)				/* an rv handshake */				psline( M[lasti], reali+2-3*HH/2,					M[i], reali,					(float) 1.,(float) 0.,(float) 0., 2);			else				psline(	M[i],    reali,					M[T[i]], realt,					(float) 1.,(float) 0.,(float) 0., 2); 			if (realt >= MH) T[T[i]] = -i; 		} else if (T[i] < 0)	/* arrow from prev page */		{	int reali = (-T[i])*HH;			int realt = i*HH;			int topop = (realt)/MH; topop *= MH;			reali -= topop;  realt -= topop; 			psline(	M[-T[i]], reali,				M[i],     realt,				(float) 1., (float) 0., (float) 0., 2);		}		if (L[i])		{	spitbox(M[i], 0, i, L[i]);			/* free(L[i]); */			lasti = i;		}	}	fprintf(pfd, "showpage\nrestore\n");} voidputbox(int x){	if (ldepth >= TotSteps)	{	fprintf(stderr, "max length of %d steps exceeded - ps file truncated\n",			TotSteps);		putpostlude();	}	M[ldepth] = x;	if (x > maxx) maxx = x;} voidpstext(int x, char *s){	char *tmp = emalloc((int) strlen(s)+1); 	strcpy(tmp, s);	if (depth == 0)		I[x] = tmp;	else	{	putbox(x);		if (depth >= TotSteps || ldepth >= TotSteps)		{	fprintf(stderr, "max nr of %d steps exceeded\n",				TotSteps);			fatal("aborting", (char *) 0);		} 		D[depth] = ldepth;		R[ldepth] = depth;		L[ldepth] = tmp;		ldepth += 2;	}} voiddotag(FILE *fd, char *s){	extern int columns, notabs; extern RunList *X;	int i = (!strncmp(s, "MSC: ", 5))?5:0;	int pid = s_trail ? pno : (X?X->pid:0); 	if (columns == 2)		pstext(pid, &s[i]);	else	{	if (!notabs)		{	printf("  ");			for (i = 0; i <= pid; i++)				printf("    ");		}		fprintf(fd, "%s", s);		fflush(fd);	}}