llvm-6502/utils/Burg/symtab.c

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char rcsid_symtab[] = "$Id$";
#include <stdio.h>
#include <string.h>
#include "b.h"
#include "fe.h"
static List symtab;
Symbol
newSymbol(name) char *name;
{
Symbol s;
s = (Symbol) zalloc(sizeof(struct symbol));
assert(s);
s->name = name;
return s;
}
Symbol
enter(name, new) char *name; int *new;
{
List l;
Symbol s;
*new = 0;
for (l = symtab; l; l = l->next) {
s = (Symbol) l->x;
if (!strcmp(name, s->name)) {
return s;
}
}
*new = 1;
s = newSymbol(name);
symtab = newList(s, symtab);
return s;
}