Add ZCG cpp domain classes

src/ZoneCodeGeneratorNew/Domain/Definition/ForwardDeclaration.cpp

@@ -0,0 +1,28 @@
+#include "ForwardDeclaration.h"
+
+ForwardDeclaration::ForwardDeclaration(std::string _namespace, std::string name, DataDefinitionType type)
+    : DataDefinition(std::move(_namespace), std::move(name)),
+      m_forwarded_type(type),
+      m_definition(nullptr)
+{
+}
+
+DataDefinitionType ForwardDeclaration::GetType() const
+{
+    return DataDefinitionType::FORWARD_DECLARATION;
+}
+
+unsigned ForwardDeclaration::GetAlignment() const
+{
+    return 0;
+}
+
+bool ForwardDeclaration::GetForceAlignment() const
+{
+    return false;
+}
+
+unsigned ForwardDeclaration::GetSize() const
+{
+    return 0;
+}