mblock.cpp

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// Copyright (c) 2024 anabrid GmbH
// Contact: https://www.anabrid.com/licensing/
// SPDX-License-Identifier: MIT OR GPL-2.0-or-later
 
#include "native/mblock_int.h"
#include "native/mblock_mul.h"
 
blocks::MBlock *blocks::MBlock::from_entity_classifier(entities::EntityClassifier classifier,
                                                       const bus::addr_t block_address) {
  if (!classifier or classifier.class_enum != entities::EntityClass::M_BLOCK)
    return nullptr;
 
  auto type = classifier.type_as<TYPES>();
  switch (type) {
  case TYPES::UNKNOWN:
    // This is already checked by !classifier above
    return nullptr;
  case TYPES::M_MUL4_BLOCK:
    return MMulBlock::from_entity_classifier(classifier, block_address);
  case TYPES::M_INT8_BLOCK:
    return MIntBlock::from_entity_classifier(classifier, block_address);
  }
  // Any unknown value results in a nullptr here.
  // Adding default case to switch suppresses warnings about missing cases.
  return nullptr;
}