Method __call_view__

crates/bindings-cpp/src/internal/Module.cpp:519–552

Dispatch function for views with ViewContext (has sender)

// Dispatch function for views with ViewContext (has sender)
int16_t Module::__call_view__(
    uint32_t id,
    uint64_t sender_0, uint64_t sender_1, uint64_t sender_2, uint64_t sender_3,
    BytesSource args_source,
    BytesSink result_sink
) {
    // Check if view ID is valid
    if (id >= g_view_handlers.size()) {
        fprintf(stderr, "ERROR: Invalid view ID %u (have %zu views)\n", 
                id, g_view_handlers.size());
        return -1;  // NO_SUCH_VIEW
    }
    
    // Create sender identity from the 4 uint64_t parts
    std::array<uint8_t, 32> sender_bytes{};
    std::memcpy(sender_bytes.data(), &sender_0, 8);
    std::memcpy(sender_bytes.data() + 8, &sender_1, 8);
    std::memcpy(sender_bytes.data() + 16, &sender_2, 8);
    std::memcpy(sender_bytes.data() + 24, &sender_3, 8);
    
    Identity sender_identity(sender_bytes);
    
    // Create view context
    ViewContext ctx(sender_identity);
    
    // Get the handler
    const auto& handler_info = g_view_handlers[id];
    
    // Call the view handler - returns fully serialized result data, including the header byte.
    std::vector<uint8_t> result_data = handler_info.handler(ctx, args_source);
    WriteBytes(result_sink, result_data);
    
    return 2;  // Success with data
}

// Dispatch function for views with AnonymousViewContext (no sender)
int16_t Module::__call_view_anon__(