Function parse_depth_enter

src/cypher/cypher.c:451–459

Enter one level of recursive descent. Returns false when the cap is hit, in * which case the caller must return NULL without recursing. */

/* Enter one level of recursive descent. Returns false when the cap is hit, in
 * which case the caller must return NULL without recursing. */
static bool parse_depth_enter(parser_t *p) {
    if (p->depth >= CYPHER_MAX_PARSE_DEPTH) {
        snprintf(p->error, sizeof(p->error), "expression nested deeper than %d levels",
                 CYPHER_MAX_PARSE_DEPTH);
        return false;
    }
    p->depth++;
    return true;
}

static void parse_depth_leave(parser_t *p) {
    p->depth--;