Function binding_set

src/cypher/cypher.c:2524–2539

Deep-copy a node into a binding (binding owns the strings) */

/* Deep-copy a node into a binding (binding owns the strings) */
static void binding_set(binding_t *b, const char *var, const cbm_node_t *node) {
    /* Check existing — free old fields first */
    for (int i = 0; i < b->var_count; i++) {
        if (strcmp(b->var_names[i], var) == 0) {
            node_fields_free(&b->var_nodes[i]);
            node_deep_copy(&b->var_nodes[i], node);
            return;
        }
    }
    if (b->var_count >= CYP_MAX_VARS) {
        return;
    }
    b->var_names[b->var_count] = var; /* not owned — points to AST string */
    node_deep_copy(&b->var_nodes[b->var_count], node);
    b->var_count++;
}

static const char *eval_multiarg_func(binding_t *b, const cbm_return_item_t *item, char *buf,
                                      size_t bufsz);