Function py_process_call

internal/cbm/extract_channels.c:466–503

}

static void py_process_call(CBMExtractCtx *ctx, TSNode call, const chan_const_table_t *consts) {
    /* Python call: attribute { object, attribute }, argument_list */
    TSNode func = ts_node_child_by_field_name(call, TS_FIELD("function"));
    if (ts_node_is_null(func)) {
        return;
    }
    const char *fk = ts_node_type(func);
    if (strcmp(fk, "attribute") != 0) {
        return;
    }
    TSNode object = ts_node_child_by_field_name(func, TS_FIELD("object"));
    TSNode attr = ts_node_child_by_field_name(func, TS_FIELD("attribute"));
    if (ts_node_is_null(object) || ts_node_is_null(attr)) {
        return;
    }

    char *method = cbm_node_text(ctx->arena, attr, ctx->source);
    const char *transport = py_classify_receiver(ctx, object);
    if (!transport || !method) {
        return;
    }

    int dir = py_classify_direction(transport, method);
    if (dir == CHAN_DIR_UNKNOWN) {
        return;
    }
    CBMChannelDirection direction = (CBMChannelDirection)dir;

    TSNode args = ts_node_child_by_field_name(call, TS_FIELD("arguments"));
    if (ts_node_is_null(args)) {
        return;
    }
    const char *channel_name = extract_channel_name(ctx, args, consts);
    if (!channel_name) {
        return;
    }
    push_channel(ctx, channel_name, transport, direction, call);
}

/* Detect Python decorator-based listeners: @sio.on("event") / @sio.event */
static void py_process_decorator(CBMExtractCtx *ctx, TSNode decorator,