ClassElement makeListElement() {
final TypeVariable typeVar = typeVar("E", itype(object));
final ClassElement element = element("List", itype(object), typeVar);
DartTypeNode returnTypeNode =
new DartTypeNode(
new DartIdentifier("Iterator"),
Arrays.asList(new DartTypeNode(new DartIdentifier("E"))));
DartMethodDefinition iteratorMethod =
DartMethodDefinition.create(
new DartIdentifier("iterator"),
new DartFunction(
Collections.<DartParameter>emptyList(),
new DartBlock(Collections.<DartStatement>emptyList()),
returnTypeNode),
Modifiers.NONE,
Collections.<DartInitializer>emptyList());
MethodNodeElement iteratorMethodElement =
Elements.methodFromMethodNode(iteratorMethod, element);
Type returnType = Types.interfaceType(iterElement, Arrays.<Type>asList(typeVar));
FunctionType functionType =
ftype(function, returnType, Collections.<String, Type>emptyMap(), null);
Elements.setType(iteratorMethodElement, functionType);
Elements.addMethod(element, iteratorMethodElement);
return element;
}
ClassElement element(String name, InterfaceType supertype, TypeVariable... parameters) {
ClassElement element = Elements.classNamed(name);
element.setSupertype(supertype);
element.setType(itype(element, parameters));
coreElements.put(name, element);
return element;
}
static TypeVariable typeVar(String name, Type bound) {
TypeVariableElement element = Elements.typeVariableElement(name, bound);
return new TypeVariableImplementation(element);
}