+
+int
+rememberargs(int arg)
+{
+ int type;
+ STR *str;
+
+ if (!arg)
+ return arg;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ rememberargs(ops[arg+1].ival);
+ rememberargs(ops[arg+3].ival);
+ }
+ else if (type == OVAR) {
+ str = str_new(0);
+ hstore(curarghash,ops[ops[arg+1].ival+1].cval,str);
+ }
+ else
+ fatal("panic: unknown argument type %d, line %d\n",type,line);
+ return arg;
+}
+
+int
+aryrefarg(int arg)
+{
+ int type = ops[arg].ival & 255;
+ STR *str;
+
+ if (type != OSTRING)
+ fatal("panic: aryrefarg %d, line %d\n",type,line);
+ str = hfetch(curarghash,ops[arg+1].cval);
+ if (str)
+ str_set(str,"*");
+ return arg;
+}
+
+int
+fixfargs(int name, int arg, int prevargs)
+{
+ int type;
+ STR *str;
+ int numargs = 0;
+
+ if (!arg)
+ return prevargs;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ numargs = fixfargs(name,ops[arg+1].ival,prevargs);
+ numargs = fixfargs(name,ops[arg+3].ival,numargs);
+ }
+ else if (type == OVAR) {
+ str = hfetch(curarghash,ops[ops[arg+1].ival+1].cval);
+ if (strEQ(str_get(str),"*")) {
+ char tmpbuf[128];
+
+ str_set(str,""); /* in case another routine has this */
+ ops[arg].ival &= ~255;
+ ops[arg].ival |= OSTAR;
+ sprintf(tmpbuf,"%s:%d",ops[name+1].cval,prevargs);
+ fprintf(stderr,"Adding %s\n",tmpbuf);
+ str = str_new(0);
+ str_set(str,"*");
+ hstore(curarghash,tmpbuf,str);
+ }
+ numargs = prevargs + 1;
+ }
+ else
+ fatal("panic: unknown argument type %d, arg %d, line %d\n",
+ type,prevargs+1,line);
+ return numargs;
+}
+
+int
+fixrargs(char *name, int arg, int prevargs)
+{
+ int type;
+ STR *str;
+ int numargs;
+
+ if (!arg)
+ return prevargs;
+ type = ops[arg].ival & 255;
+ if (type == OCOMMA) {
+ numargs = fixrargs(name,ops[arg+1].ival,prevargs);
+ numargs = fixrargs(name,ops[arg+3].ival,numargs);
+ }
+ else {
+ char *tmpbuf = (char *) safemalloc(strlen(name) + (sizeof(prevargs) * 3) + 5);
+ sprintf(tmpbuf,"%s:%d",name,prevargs);
+ str = hfetch(curarghash,tmpbuf);
+ safefree(tmpbuf);
+ if (str && strEQ(str->str_ptr,"*")) {
+ if (type == OVAR || type == OSTAR) {
+ ops[arg].ival &= ~255;
+ ops[arg].ival |= OSTAR;
+ }
+ else
+ fatal("Can't pass expression by reference as arg %d of %s\n",
+ prevargs+1, name);
+ }
+ numargs = prevargs + 1;
+ }
+ return numargs;
+}