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/* Copyright (c) 1992 Regents of the University of California */ |
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/* Copyright (c) 1997 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static double dvalue(); |
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long eclock = -1; /* value storage timer */ |
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unsigned long eclock = 0; /* value storage timer */ |
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static char context[MAXWORD+1]; /* current context path */ |
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#define MAXCNTX 1023 /* maximum context length */ |
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static char context[MAXCNTX+1]; /* current context path */ |
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static VARDEF *hashtbl[NHASH]; /* definition list */ |
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static int htndx; /* index for */ |
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static VARDEF *htpos; /* ...dfirst() and */ |
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#endif |
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#ifdef FUNCTION |
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EPNODE *curfunc; |
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EPNODE *curfunc = NULL; |
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#define dname(ep) ((ep)->v.kid->type == SYM ? \ |
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(ep)->v.kid->v.name : \ |
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(ep)->v.kid->v.kid->v.name) |
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cpp = context; /* start context with mark */ |
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*cpp++ = CNTXMARK; |
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do { /* carefully copy new context */ |
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if (cpp >= context+MAXWORD) |
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if (cpp >= context+MAXCNTX) |
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break; /* just copy what we can */ |
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if (isid(*ctx)) |
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*cpp++ = *ctx++; |
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char *ctx; |
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{ |
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extern char *strncpy(), *strcpy(); |
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char oldcontext[MAXWORD+1]; |
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char oldcontext[MAXCNTX+1]; |
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register int n; |
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strcpy(oldcontext, context); /* save old context */ |
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setcontext(ctx); /* set new context */ |
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n = strlen(context); /* tack on old */ |
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if (n+strlen(oldcontext) > MAXWORD) { |
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strncpy(context+n, oldcontext, MAXWORD-n); |
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context[MAXWORD] = '\0'; |
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if (n+strlen(oldcontext) > MAXCNTX) { |
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strncpy(context+n, oldcontext, MAXCNTX-n); |
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context[MAXCNTX] = '\0'; |
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} else |
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strcpy(context+n, oldcontext); |
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return(context); |
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incontext(qn) /* is qualified name in current context? */ |
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register char *qn; |
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{ |
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if (!context[0]) /* global context accepts all */ |
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return(1); |
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while (*qn && *qn != CNTXMARK) /* find context mark */ |
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qn++; |
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return(!strcmp(qn, context)); |
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/* if context is global, clear all */ |
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for (i = 0; i < NHASH; i++) |
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for (vp = hashtbl[i]; vp != NULL; vp = vp->next) |
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if (!context[0] || incontext(vp->name)) |
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if (incontext(vp->name)) |
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if (lvl >= 2) |
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dremove(vp->name); |
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else |
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syntax("')' expected"); |
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scan(); |
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curfunc = ep1; |
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} else |
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curfunc = NULL; |
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} |
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#endif |
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if (nextc != '=' && nextc != ':') |
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ep1->sibling->type != NUM) { |
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ep1 = newnode(); |
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ep1->type = TICK; |
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ep1->v.tick = -1; |
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ep1->v.tick = 0; |
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addekid(ep2, ep1); |
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ep1 = newnode(); |
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ep1->type = NUM; |
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addekid(ep2, ep1); |
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} |
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#ifdef FUNCTION |
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curfunc = NULL; |
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#endif |
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return(ep2); |
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} |
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if (ep1->type == NUM) |
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return(ep1->v.num); /* return if number */ |
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ep2 = ep1->sibling; /* check time */ |
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if (ep2->v.tick < 0 || ep2->v.tick < eclock) { |
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ep2->v.tick = d->type == ':' ? 1L<<30 : eclock; |
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if (ep2->v.tick == 0 || ep2->v.tick < eclock) { |
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ep2->v.tick = d->type == ':' ? ~0L : eclock; |
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ep2 = ep2->sibling; |
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ep2->v.num = evalue(ep1); /* needs new value */ |
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} else |