Function parse_in_list

src/cypher/cypher.c:907–971

Parse IN [val, val, ...] list. Returns expr_leaf or NULL on error. */

/* Parse IN [val, val, ...] list. Returns expr_leaf or NULL on error. */
static cbm_expr_t *parse_in_list(parser_t *p, cbm_condition_t *c) {
    advance(p);
    c->op = heap_strdup("IN");
    if (!c->op) {
        safe_str_free(&c->variable);
        safe_str_free(&c->property);
        return NULL;
    }
    if (!expect(p, TOK_LBRACKET)) {
        safe_str_free(&c->variable);
        safe_str_free(&c->property);
        safe_str_free(&c->op);
        return NULL;
    }
    int vcap = CYP_INIT_CAP8;
    int vn = 0;
    const char **vals = malloc(vcap * sizeof(const char *));
    if (!vals) {
        safe_str_free(&c->variable);
        safe_str_free(&c->property);
        safe_str_free(&c->op);
        return NULL;
    }
    while (!check(p, TOK_RBRACKET) && !check(p, TOK_EOF)) {
        if (vn > 0) {
            match(p, TOK_COMMA);
        }
        if (check(p, TOK_STRING) || check(p, TOK_NUMBER)) {
            if (vn >= vcap) {
                int new_vcap = vcap * PAIR_LEN;
                void *tmp = realloc((void *)vals, new_vcap * sizeof(const char *));
                if (!tmp) {
                    for (int i = 0; i < vn; i++) {
                        safe_str_free(&vals[i]);
                    }
                    safe_free(vals);
                    safe_str_free(&c->variable);
                    safe_str_free(&c->property);
                    safe_str_free(&c->op);
                    return NULL;
                }
                vals = (const char **)tmp;
                vcap = new_vcap;
            }
            const char *new_val = heap_strdup(advance(p)->text);
            if (!new_val) {
                for (int i = 0; i < vn; i++) {
                    safe_str_free(&vals[i]);
                }
                safe_free(vals);
                safe_str_free(&c->variable);
                safe_str_free(&c->property);
                safe_str_free(&c->op);
                return NULL;
            }
            vals[vn++] = new_val;
        } else {
            break;