get_static_filter
get_static_filter(call->fn->symbol), PARAM_USED, param, printed_name);
char *get_static_filter(struct symbol *sym);
get_static_filter(fn->symbol));
cols, get_static_filter(fn->symbol));
get_static_filter(info->sym));
cols, get_static_filter(sym));
cols, get_static_filter(sym));
get_static_filter(expr->fn->symbol));
get_static_filter(expr->symbol));
get_static_filter(call->fn->symbol), PARAM_USED, param, printed_name);
get_static_filter(call->fn->symbol), PARAM_USED);
get_static_filter(call->fn->symbol), FRESH_ALLOC);