ref: 01986adbbf75c07c613b11fcb81a8015a71e5664
dir: /sys/src/cmd/spin/ps_msc.c/
/***** 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"
#ifdef PC
extern void free(void *);
#endif
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,
};
int MH = 600; /* page height - can be scaled */
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 *);
void
putlegend(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 ",
Version, oFname?oFname->name:"", pspno);
fprintf(pfd, "false DrawText\ngrestore\n");
}
void
startpage(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);
}
void
putprelude(void)
{ char snap[256]; FILE *fd;
sprintf(snap, "%s.ps", oFname?oFname->name:"msc");
if (!(pfd = fopen(snap, "w")))
fatal("cannot create file '%s'", snap);
fprintf(pfd, "%%!PS-Adobe-2.0\n");
fprintf(pfd, "%%%%Creator: %s\n", Version);
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);
}
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();
}
void
putpostlude(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);
}
void
psline(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");
}
void
colbox(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");
}
void
putgrid(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;
}
}
void
putarrow(int from, int to)
{
T[D[from]] = D[to];
}
void
stepnumber(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");
}
void
spitbox(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:%s", &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");
}
void
putpages(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");
}
void
putbox(int x)
{
if (ldepth >= TotSteps)
{ putpostlude();
fprintf(stderr, "max length of %d steps exceeded\n",
TotSteps);
fatal("postscript file truncated", (char *) 0);
}
M[ldepth] = x;
if (x > maxx) maxx = x;
}
void
pstext(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;
}
}
void
dotag(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);
}
}