Function arch_hotspots

src/store/store.c:3862–3909

}

static int arch_hotspots(cbm_store_t *s, const char *project, const char *path,
                         cbm_architecture_info_t *out) {
    char norm[CBM_SZ_512];
    char like[CBM_SZ_512];
    bool scoped = arch_path_prepare(path, norm, sizeof(norm), like, sizeof(like));
    char sqlbuf[ST_SQL_BUF];
    const char *base = "SELECT n.name, n.qualified_name, COUNT(*) as fan_in "
                       "FROM nodes n JOIN edges e ON e.target_id = n.id AND e.type = 'CALLS' "
                       "WHERE n.project=?1 AND n.label IN ('Function', 'Method') "
                       "AND (json_extract(n.properties, '$.is_test') IS NULL OR "
                       "json_extract(n.properties, '$.is_test') != 1) "
                       "AND n.file_path NOT LIKE '%test%'";
    if (scoped) {
        snprintf(sqlbuf, sizeof(sqlbuf),
                 "%s AND (n.file_path = ?2 OR n.file_path LIKE ?3) "
                 "GROUP BY n.id ORDER BY fan_in DESC LIMIT 10",
                 base);
    } else {
        snprintf(sqlbuf, sizeof(sqlbuf), "%s GROUP BY n.id ORDER BY fan_in DESC LIMIT 10", base);
    }
    sqlite3_stmt *stmt = NULL;
    if (sqlite3_prepare_v2(s->db, sqlbuf, CBM_NOT_FOUND, &stmt, NULL) != SQLITE_OK) {
        store_set_error_sqlite(s, "arch_hotspots");
        return CBM_STORE_ERR;
    }
    bind_text(stmt, SKIP_ONE, project);
    if (scoped) {
        arch_bind_path_scope(stmt, ST_COL_2, ST_COL_3, norm, like);
    }

    int cap = ST_INIT_CAP_8;
    int n = 0;
    cbm_hotspot_t *arr = calloc(cap, sizeof(cbm_hotspot_t));
    while (sqlite3_step(stmt) == SQLITE_ROW) {
        if (n >= cap) {
            cap *= ST_GROWTH;
            arr = safe_realloc(arr, cap * sizeof(cbm_hotspot_t));
        }
        arr[n].name = heap_strdup((const char *)sqlite3_column_text(stmt, 0));
        arr[n].qualified_name = heap_strdup((const char *)sqlite3_column_text(stmt, SKIP_ONE));
        arr[n].fan_in = sqlite3_column_int(stmt, CBM_SZ_2);
        n++;
    }
    sqlite3_finalize(stmt);
    out->hotspots = arr;
    out->hotspot_count = n;
    return CBM_STORE_OK;
}

/* Look up package name for a node ID in the parallel arrays. nids must be
 * sorted ascending (the node query orders by id) — a linear scan here is