@Override
public Object visit(
VariableDeclarationExpression variableDeclarationExpression,
TypeResolutionContext context,
EolVisitorController<TypeResolutionContext, Object> controller) {
// visit contents first
controller.visitContents(variableDeclarationExpression, context);
// if create is not null
if (variableDeclarationExpression.getCreate() != null) {
// get the value of the create
boolean newExpression = variableDeclarationExpression.getCreate().isVal();
// if it is a new variable
if (newExpression) {
// get resolved type
Type rawType = variableDeclarationExpression.getResolvedType();
// we are interested in the model element types
if (rawType instanceof ModelElementType) {
// get the type
ModelElementType modelElementType = (ModelElementType) rawType;
// if the model element type is a EClass in the meta model
if (modelElementType.getEcoreType() instanceof EClass) {
// get the EClass
EClass eClass = (EClass) modelElementType.getEcoreType();
// check if the class is an interface or abstract
if (eClass.isAbstract() || eClass.isInterface()) {
context
.getLogBook()
.addError(
modelElementType, "Model element type is not instantiable"); // throw error
}
}
}
}
}
return null;
}
