| 43 |
|
return; |
| 44 |
|
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_RCONST|E_REDEFW; |
| 45 |
|
esupport &= ~(E_OUTCHAN); |
| 46 |
< |
setcontext(""); |
| 46 |
> |
calcontext(""); |
| 47 |
|
scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0); |
| 48 |
|
scompile("Nx=$4;Ny=$5;Nz=$6;", NULL, 0); |
| 49 |
|
scompile("Px=$7;Py=$8;Pz=$9;", NULL, 0); |
| 65 |
|
|
| 66 |
|
/* Set parameters for current evaluation */ |
| 67 |
|
void |
| 68 |
< |
set_eparams(char *prms) |
| 68 |
> |
set_eparams(const char *prms) |
| 69 |
|
{ |
| 70 |
< |
static char *last_params; |
| 71 |
< |
static int lplen = 0; |
| 72 |
< |
int len; |
| 73 |
< |
char vname[RMAXWORD]; |
| 74 |
< |
double value; |
| 75 |
< |
char *cpd; |
| 70 |
> |
static const char *last_params = NULL; |
| 71 |
> |
char vname[RMAXWORD]; |
| 72 |
> |
double value; |
| 73 |
> |
char *cpd; |
| 74 |
|
/* check if already set */ |
| 75 |
|
if (prms == NULL || !*prms) |
| 76 |
|
return; |
| 77 |
< |
if (lplen && !strcmp(prms, last_params)) |
| 77 |
> |
if (prms == last_params || (last_params != NULL && |
| 78 |
> |
!strcmp(prms, last_params))) |
| 79 |
|
return; |
| 80 |
< |
len = strlen(prms); /* record new settings */ |
| 82 |
< |
if ((lplen != 0) & (lplen <= len)) { |
| 83 |
< |
free(last_params); |
| 84 |
< |
lplen = 0; |
| 85 |
< |
} |
| 86 |
< |
if (!lplen) { |
| 87 |
< |
lplen = len + 100; |
| 88 |
< |
last_params = (char *)malloc(lplen); |
| 89 |
< |
if (last_params == NULL) |
| 90 |
< |
error(SYSTEM, "out of memory in set_eparams()"); |
| 91 |
< |
} |
| 92 |
< |
strcpy(last_params, prms); |
| 80 |
> |
last_params = prms; /* XXX assumes static string */ |
| 81 |
|
/* assign each variable */ |
| 82 |
|
while (*prms) { |
| 83 |
|
if (isspace(*prms)) { |
| 91 |
|
goto bad_params; |
| 92 |
|
*cpd++ = *prms++; |
| 93 |
|
} |
| 106 |
– |
if (cpd == vname) |
| 107 |
– |
goto bad_params; |
| 94 |
|
*cpd = '\0'; |
| 95 |
|
while (isspace(*prms)) prms++; |
| 96 |
|
if (*prms++ != '=') |
| 97 |
|
goto bad_params; |
| 98 |
|
value = atof(prms); |
| 99 |
< |
if ((prms = fskip(prms)) == NULL) |
| 99 |
> |
if ((prms = fskip((char *)prms)) == NULL) |
| 100 |
|
goto bad_params; |
| 101 |
|
while (isspace(*prms)) prms++; |
| 102 |
< |
prms += (*prms == ',') | (*prms == ';'); |
| 102 |
> |
prms += (*prms == ',') | (*prms == ';') | (*prms == ':'); |
| 103 |
|
varset(vname, '=', value); |
| 104 |
|
} |
| 105 |
+ |
eclock++; /* notify expression evaluator */ |
| 106 |
|
return; |
| 107 |
|
bad_params: |
| 108 |
|
sprintf(errmsg, "bad parameter list '%s'", last_params); |
| 127 |
|
if ((f = (MFUNC *)m->os) != NULL) |
| 128 |
|
return(f); |
| 129 |
|
fobj = NULL; fray = NULL; |
| 143 |
– |
if (rayinitcal[0]) /* initialize on first call */ |
| 144 |
– |
initfunc(); |
| 130 |
|
if ((na = m->oargs.nsargs) <= ff) |
| 131 |
|
goto toofew; |
| 132 |
|
arg = m->oargs.sarg; |
| 134 |
|
goto memerr; |
| 135 |
|
i = strlen(arg[ff]); /* set up context */ |
| 136 |
|
if (i == 1 && arg[ff][0] == '.') { |
| 137 |
< |
setcontext(f->ctx = ""); /* "." means no file */ |
| 137 |
> |
calcontext(f->ctx = ""); /* "." means no file */ |
| 138 |
|
} else { |
| 139 |
|
strcpy(sbuf,arg[ff]); /* file name is context */ |
| 140 |
|
if (i > LCALSUF && !strcmp(sbuf+i-LCALSUF, CALSUF)) |
| 141 |
|
sbuf[i-LCALSUF] = '\0'; /* remove suffix */ |
| 142 |
< |
setcontext(f->ctx = savestr(sbuf)); |
| 142 |
> |
calcontext(f->ctx = savestr(sbuf)); |
| 143 |
|
if (!vardefined(REFVNAME)) { /* file loaded? */ |
| 144 |
|
loadfunc(arg[ff]); |
| 145 |
|
varset(REFVNAME, '=', 1.0); |
| 146 |
|
} else /* reference_count++ */ |
| 147 |
|
varset(REFVNAME, '=', varvalue(REFVNAME)+1.0); |
| 148 |
|
} |
| 149 |
< |
curfunc = NULL; /* parse expressions */ |
| 149 |
> |
ecurfunc = NULL; /* parse expressions */ |
| 150 |
|
sprintf(sbuf, "%s \"%s\"", ofun[m->otype].funame, m->oname); |
| 151 |
|
for (i=0, ne=0; ef && i < na; i++, ef>>=1) |
| 152 |
|
if (ef & 1) { /* flagged as an expression? */ |
| 155 |
|
initstr(arg[i], sbuf, 0); |
| 156 |
|
f->ep[ne++] = getE1(); |
| 157 |
|
if (nextc != EOF) |
| 158 |
< |
syntax("unexpected character"); |
| 158 |
> |
esyntax("unexpected character"); |
| 159 |
|
} |
| 160 |
|
if (ef) |
| 161 |
|
goto toofew; |
| 162 |
|
if (i <= ff) /* find transform args */ |
| 163 |
|
i = ff+1; |
| 164 |
< |
while (i < na && arg[i][0] != '-') |
| 164 |
> |
while (i < na && !isxfopt(arg[i])) |
| 165 |
|
i++; |
| 166 |
|
if (i == na) { /* no transform */ |
| 167 |
|
f->fxp = f->bxp = &unitxf; |
| 201 |
|
if ((f = (MFUNC *)m->os) == NULL) |
| 202 |
|
return; |
| 203 |
|
for (i = 0; f->ep[i] != NULL; i++) |
| 204 |
< |
epfree(f->ep[i]); |
| 204 |
> |
epfree(f->ep[i],1); |
| 205 |
|
if (f->ctx[0]) { /* done with definitions */ |
| 206 |
< |
setcontext(f->ctx); |
| 206 |
> |
calcontext(f->ctx); |
| 207 |
|
i = varvalue(REFVNAME)-.5; /* reference_count-- */ |
| 208 |
|
if (i > 0) |
| 209 |
|
varset(REFVNAME, '=', (double)i); |
| 232 |
|
if ((f = (MFUNC *)m->os) == NULL) |
| 233 |
|
objerror(m, CONSISTENCY, "setfunc called before getfunc"); |
| 234 |
|
|
| 235 |
< |
setcontext(f->ctx); /* set evaluator context */ |
| 235 |
> |
calcontext(f->ctx); /* set evaluator context */ |
| 236 |
|
/* check to see if matrix set */ |
| 237 |
|
if ((m == fobj) & (r->rno == lastrno)) |
| 238 |
|
return(0); |
| 254 |
|
|
| 255 |
|
int |
| 256 |
|
worldfunc( /* special function context sans object */ |
| 257 |
< |
char *ctx, |
| 257 |
> |
const char *ctx, |
| 258 |
|
RAY *r |
| 259 |
|
) |
| 260 |
|
{ |
| 261 |
|
static RNUMBER lastrno = ~0; |
| 277 |
– |
|
| 278 |
– |
if (rayinitcal[0]) /* initialize on first call */ |
| 279 |
– |
initfunc(); |
| 262 |
|
/* set evaluator context */ |
| 263 |
< |
setcontext(ctx); |
| 263 |
> |
calcontext((char *)ctx); |
| 264 |
|
/* check if ray already set */ |
| 265 |
|
if ((fobj == NULL) & (r->rno == lastrno)) |
| 266 |
|
return(0); |
| 285 |
|
error(SYSTEM, errmsg); |
| 286 |
|
} |
| 287 |
|
fcompile(ffname); |
| 288 |
+ |
doptimize(1); /* optimize definitions */ |
| 289 |
|
} |
| 290 |
|
|
| 291 |
|
|
| 295 |
|
int n; |
| 296 |
|
|
| 297 |
|
if (fobj == NULL) |
| 298 |
< |
error(INTERNAL, "arg(n) called without a modifier context"); |
| 298 |
> |
error(USER, |
| 299 |
> |
"bad call to arg(n) - illegal constant in .cal file?"); |
| 300 |
|
|
| 301 |
|
n = argument(1) + .5; /* round to integer */ |
| 302 |
|
|
| 331 |
|
) |
| 332 |
|
{ |
| 333 |
|
if (fray == NULL) |
| 334 |
< |
syntax("ray parameter used in constant expression"); |
| 334 |
> |
esyntax("ray parameter used in constant expression"); |
| 335 |
|
|
| 336 |
|
if (--n < 0) |
| 337 |
|
goto badchan; |
| 351 |
|
/ funcxf.sca ); |
| 352 |
|
|
| 353 |
|
if (n <= 8) { /* intersection point */ |
| 354 |
< |
if (fray->rot >= FHUGE) |
| 354 |
> |
if (fray->rot >= FHUGE*.99) |
| 355 |
|
return(0.0); /* XXX should be runtime error? */ |
| 356 |
|
|
| 357 |
|
return( fray->rop[0]*funcxf.xfm[0][n-6] + |