| 196 |
|
|
| 197 |
|
|
| 198 |
|
int |
| 199 |
< |
vardefined( /* return non-zero if variable defined */ |
| 199 |
> |
vardefined( /* return '=' or ':' if variable/constant defined */ |
| 200 |
|
char *name |
| 201 |
|
) |
| 202 |
|
{ |
| 203 |
< |
EPNODE *dp; |
| 203 |
> |
EPNODE *dp = dlookup(name); |
| 204 |
|
|
| 205 |
< |
return((dp = dlookup(name)) != NULL && dp->v.kid->type == SYM); |
| 205 |
> |
if (dp == NULL || dp->v.kid->type != SYM) |
| 206 |
> |
return(0); |
| 207 |
> |
|
| 208 |
> |
return(dp->type); |
| 209 |
|
} |
| 210 |
|
|
| 211 |
|
|
| 212 |
|
char * |
| 213 |
< |
setcontext( /* set a new context path */ |
| 213 |
> |
calcontext( /* set a new context path */ |
| 214 |
|
char *ctx |
| 215 |
|
) |
| 216 |
|
{ |
| 251 |
|
int n; |
| 252 |
|
|
| 253 |
|
strcpy(oldcontext, context); /* save old context */ |
| 254 |
< |
setcontext(ctx); /* set new context */ |
| 254 |
> |
calcontext(ctx); /* set new context */ |
| 255 |
|
n = strlen(context); /* tack on old */ |
| 256 |
|
if (n+strlen(oldcontext) > MAXCNTX) { |
| 257 |
|
strncpy(context+n, oldcontext, MAXCNTX-n); |
| 640 |
|
ep2 = newnode(); |
| 641 |
|
ep2->type = SYM; |
| 642 |
|
ep2->v.name = savestr(getname()); |
| 643 |
+ |
if (strchr(ep2->v.name, CNTXMARK) != NULL) |
| 644 |
+ |
syntax("illegal parameter name"); |
| 645 |
|
addekid(ep1, ep2); |
| 646 |
|
} while (nextc == ','); |
| 647 |
|
if (nextc != ')') |
