Function handle_get_code_snippet

src/mcp/mcp.c:8734–8823

}

static char *handle_get_code_snippet(cbm_mcp_server_t *srv, const char *args) {
    char *qn = cbm_mcp_get_string_arg(args, "qualified_name");
    char *project = get_project_arg(args);
    bool include_neighbors = cbm_mcp_get_bool_arg(args, "include_neighbors");

    if (!qn) {
        free(project);
        return cbm_mcp_text_result("qualified_name is required", true);
    }

    cbm_store_t *store = resolve_store(srv, project);
    if (!store) {
        char *_err = build_project_list_error("project not found or not indexed");
        char *_res = cbm_mcp_text_result(_err, true);
        free(_err);
        free(qn);
        free(project);
        return _res;
    }

    char *not_indexed = verify_project_indexed(store, project);
    if (not_indexed) {
        free(qn);
        free(project);
        return not_indexed;
    }

    /* Default to current project (same as all other tools) */
    const char *effective_project = project ? project : srv->current_project;

    /* Tier 1: Exact QN match */
    cbm_node_t node = {0};
    int rc = cbm_store_find_node_by_qn(store, effective_project, qn, &node);
    if (rc == CBM_STORE_OK) {
        char *result = build_snippet_response(srv, &node, NULL, include_neighbors, NULL, 0);
        free_node_contents(&node);
        free(qn);
        free(project);
        return result;
    }

    /* Tier 2: Suffix match — handles partial QNs ("main.HandleRequest")
     * and short names ("ProcessOrder") via LIKE '%.X'. */
    cbm_node_t *suffix_nodes = NULL;
    int suffix_count = 0;
    cbm_store_find_nodes_by_qn_suffix(store, effective_project, qn, &suffix_nodes, &suffix_count);

    if (suffix_count == SKIP_ONE) {
        copy_node(&suffix_nodes[0], &node);
        cbm_store_free_nodes(suffix_nodes, suffix_count);
        char *result = build_snippet_response(srv, &node, "suffix", include_neighbors, NULL, 0);
        free_node_contents(&node);
        free(qn);
        free(project);
        return result;
    }

    if (suffix_count > SKIP_ONE) {