Function cross_file_call_exists

tests/test_pipeline.c:820–852

True iff a CALLS edge exists from a node named src_name to a node named * tgt_name. Used to assert cross-file call resolution survives a reindex. */

/* True iff a CALLS edge exists from a node named src_name to a node named
 * tgt_name. Used to assert cross-file call resolution survives a reindex. */
static bool cross_file_call_exists(cbm_store_t *s, const char *project, const char *src_name,
                                   const char *tgt_name) {
    cbm_node_t *srcs = NULL;
    cbm_node_t *tgts = NULL;
    int sc = 0;
    int tc = 0;
    cbm_store_find_nodes_by_name(s, project, src_name, &srcs, &sc);
    cbm_store_find_nodes_by_name(s, project, tgt_name, &tgts, &tc);
    bool found = false;
    for (int i = 0; i < sc && !found; i++) {
        cbm_edge_t *edges = NULL;
        int ec = 0;
        cbm_store_find_edges_by_source_type(s, srcs[i].id, "CALLS", &edges, &ec);
        for (int j = 0; j < ec && !found; j++) {
            for (int k = 0; k < tc; k++) {
                if (edges[j].target_id == tgts[k].id) {
                    found = true;
                    break;
                }
            }
        }
        if (edges) {
            cbm_store_free_edges(edges, ec);
        }
    }
    if (srcs) {
        cbm_store_free_nodes(srcs, sc);
    }
    if (tgts) {
        cbm_store_free_nodes(tgts, tc);
    }
    return found;
}

/* Regression: incremental re-index of an edited file must NOT drop inbound
 * cross-file CALLS edges whose source lives in an UNCHANGED file.