--- ray/src/common/otypes.c 1990/12/13 10:37:17 1.5 +++ ray/src/common/otypes.c 1991/07/24 12:06:35 1.6 @@ -5,9 +5,7 @@ static char SCCSid[] = "$SunId$ LBL"; #endif /* - * otypes.c - object lookup functions. - * - * 7/29/85 + * Object type lookup and error reporting */ #include "standard.h" @@ -17,14 +15,6 @@ static char SCCSid[] = "$SunId$ LBL"; #include "otypes.h" -extern int (*addobjnotify[])(); /* people to notify of new objects */ - -static struct ohtab { - int hsiz; /* current table size */ - OBJECT *htab; /* table, if allocated */ -} modtab = {100, NULL}, objtab = {1000, NULL}; /* modifiers and objects */ - - int otype(ofname) /* get object function number from its name */ register char *ofname; @@ -39,48 +29,6 @@ register char *ofname; } -#ifdef GETOBJ -int -object(oname) /* get an object number from its name */ -char *oname; -{ - register int ndx; - - ndx = otndx(oname, &objtab); - return(objtab.htab[ndx]); -} -#endif - - -int -modifier(mname) /* get a modifier number from its name */ -char *mname; -{ - register int ndx; - - ndx = otndx(mname, &modtab); - return(modtab.htab[ndx]); -} - - -insertobject(obj) /* insert new object into our list */ -register OBJECT obj; -{ - register int i; - -#ifdef GETOBJ - i = otndx(objptr(obj)->oname, &objtab); - objtab.htab[i] = obj; -#endif - if (ismodifier(objptr(obj)->otype)) { - i = otndx(objptr(obj)->oname, &modtab); - modtab.htab[i] = obj; - } - for (i = 0; addobjnotify[i] != NULL; i++) - (*addobjnotify[i])(obj); -} - - objerror(o, etyp, msg) /* report error related to object */ OBJREC *o; int etyp; @@ -91,73 +39,4 @@ char *msg; sprintf(msgbuf, "%s for %s \"%s\"", msg, ofun[o->otype].funame, o->oname); error(etyp, msgbuf); -} - - -static int -nexthsiz(oldsiz) /* return next hash table size */ -int oldsiz; -{ - static int hsiztab[] = { - 251, 509, 1021, 2039, 4093, 8191, 16381, 0 - }; - register int *hsp; - - for (hsp = hsiztab; *hsp; hsp++) - if (*hsp > oldsiz) - return(*hsp); - return(oldsiz*2 + 1); /* not always prime */ -} - - -static int -shash(s) /* hash a string */ -register char *s; -{ - register int h = 0; - - while (*s) - h = (h<<1 & 0x7fff) ^ *s++; - return(h); -} - - -static int -otndx(name, tab) /* get object table index for name */ -char *name; -register struct ohtab *tab; -{ - OBJECT *oldhtab; - int hval, i; - register int ndx; - - if (tab->htab == NULL) { /* new table */ - tab->hsiz = nexthsiz(tab->hsiz); - tab->htab = (OBJECT *)malloc(tab->hsiz*sizeof(OBJECT)); - if (tab->htab == NULL) - error(SYSTEM, "out of memory in otndx"); - ndx = tab->hsiz; - while (ndx--) /* empty it */ - tab->htab[ndx] = OVOID; - } - /* look up object */ - hval = shash(name); -tryagain: - for (i = 0; i < tab->hsiz; i++) { - ndx = (hval + i*i) % tab->hsiz; - if (tab->htab[ndx] == OVOID || - !strcmp(objptr(tab->htab[ndx])->oname, name)) - return(ndx); - } - /* table is full, reallocate */ - oldhtab = tab->htab; - ndx = tab->hsiz; - tab->htab = NULL; - while (ndx--) - if (oldhtab[ndx] != OVOID) { - i = otndx(objptr(oldhtab[ndx])->oname, tab); - tab->htab[i] = oldhtab[ndx]; - } - free((char *)oldhtab); - goto tryagain; /* should happen only once! */ }