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)) { |
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; |
141 |
– |
if (rayinitcal[0]) /* initialize on first call */ |
142 |
– |
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; |
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; |
275 |
– |
|
276 |
– |
if (rayinitcal[0]) /* initialize on first call */ |
277 |
– |
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] + |