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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1991 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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#define isdecimal(c) (isdigit(c) || (c) == '.') |
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extern double atof(), pow(); |
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#ifndef atof |
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extern double atof(); |
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#endif |
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extern double pow(); |
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extern char *fgets(), *savestr(); |
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extern char *emalloc(), *ecalloc(); |
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extern EPNODE *curfunc; |
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} |
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getscanpos(fnp, lnp, spp, fpp) /* return current scan position */ |
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char **fnp; |
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int *lnp; |
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char **spp; |
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FILE **fpp; |
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{ |
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if (fnp != NULL) *fnp = infile; |
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if (lnp != NULL) *lnp = lineno; |
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if (spp != NULL) *spp = linbuf+linepos; |
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if (fpp != NULL) *fpp = infp; |
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} |
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int |
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scan() /* scan next character, return literal next */ |
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{ |
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for (i = 0; i < MAXWORD && isid(lnext); i++, lnext = scan()) |
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str[i] = lnext; |
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str[i] = '\0'; |
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while (isid(lnext)) /* skip rest of name */ |
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lnext = scan(); |
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return(str); |
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} |
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ep2->v.num = -ep2->v.num; |
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return(ep2); |
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} |
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if (ep2->type == UMINUS) { /* don't generate -(-E5) */ |
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efree((char *)ep2); |
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return(ep2->v.kid); |
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} |
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ep1 = newnode(); |
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ep1->type = UMINUS; |
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addekid(ep1, ep2); |
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/* ARG */ |
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{ |
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int i; |
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char *nam; |
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register EPNODE *ep1, *ep2; |
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if (nextc == '(') { |
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#endif |
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#if defined(VARIABLE) || defined(FUNCTION) |
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if (isalpha(nextc)) { |
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ep1 = newnode(); |
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ep1->type = VAR; |
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ep1->v.ln = varinsert(getname()); |
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if (isalpha(nextc) || nextc == CNTXMARK) { |
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nam = getname(); |
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#if defined(VARIABLE) && defined(FUNCTION) |
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ep1 = NULL; |
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if (curfunc != NULL) |
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for (i = 1, ep2 = curfunc->v.kid->sibling; |
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ep2 != NULL; i++, ep2 = ep2->sibling) |
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if (!strcmp(ep2->v.name, ep1->v.ln->name)) { |
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epfree(ep1); |
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if (!strcmp(ep2->v.name, nam)) { |
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ep1 = newnode(); |
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ep1->type = ARG; |
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ep1->v.chan = i; |
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break; |
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} |
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if (ep1 == NULL) |
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#endif |
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{ |
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ep1 = newnode(); |
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ep1->type = VAR; |
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ep1->v.ln = varinsert(nam); |
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} |
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#ifdef FUNCTION |
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if (nextc == '(') { |
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ep2 = newnode(); |
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if (ep->type != VAR) |
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return(0); |
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dp = ep->v.ln->def; |
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if (dp != NULL && dp->type != ':') |
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return(0); |
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if ((dp == NULL || dp->v.kid->type != FUNC) |
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&& ((lp = liblookup(ep->v.ln->name)) == NULL |
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|| lp->atyp != ':')) |
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return(0); |
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return(1); |
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if ((dp = ep->v.ln->def) != NULL && dp->v.kid->type == FUNC) |
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return(dp->type == ':'); |
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if ((lp = ep->v.ln->lib) != NULL) |
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return(lp->atyp == ':'); |
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return(0); |
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} |
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#endif |
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#endif |
