| Chris Lattner | 633a5b1 | 2002-09-17 23:03:30 +0000 | [diff] [blame] | 1 | char rcsid_symtab[] = "$Id$"; |
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <string.h> |
| 5 | #include "b.h" |
| 6 | #include "fe.h" |
| 7 | |
| 8 | static List symtab; |
| 9 | |
| 10 | Symbol |
| 11 | newSymbol(name) char *name; |
| 12 | { |
| 13 | Symbol s; |
| 14 | |
| 15 | s = (Symbol) zalloc(sizeof(struct symbol)); |
| 16 | assert(s); |
| 17 | s->name = name; |
| 18 | return s; |
| 19 | } |
| 20 | |
| 21 | Symbol |
| 22 | enter(name, new) char *name; int *new; |
| 23 | { |
| 24 | List l; |
| 25 | Symbol s; |
| 26 | |
| 27 | *new = 0; |
| 28 | for (l = symtab; l; l = l->next) { |
| 29 | s = (Symbol) l->x; |
| 30 | if (!strcmp(name, s->name)) { |
| 31 | return s; |
| 32 | } |
| 33 | } |
| 34 | *new = 1; |
| 35 | s = newSymbol(name); |
| 36 | symtab = newList(s, symtab); |
| 37 | return s; |
| 38 | } |