// Code Gear
__code code1(struct Context* context, struct Allocate* allocate) {
    allocate->size = sizeof(struct Data1);
    context->next  = Code2;
    
    goto meta(context, Allocator);
}

// Meta Code Gear(stub)
__code code1_stub(struct Context* context) {
    goto code1(context, &context->data[Allocate]->allocate);
}

// Code Gear
__code code2(struct Context* context, struct Data1* data1) {
    // processing
}

// Meta Code Gear(stub)
__code code2_stub(struct Context* context) {
    goto code2(context, &context->data[context->dataNum]->data1);
}