tree_num
{ $$ = tree_num($1.s, $1.file, $1.line); }
{ $$ = tree_num($1.s, $1.file, $1.line); }
{ $$ = tree_num($1.s, $1.file, $1.line); }
ret->u.name.child = tree_num(ptr, file, line);
struct node *tree_num(const char *s, const char *file, int line);
tree_num(eid, NULL, 0));