@Override
public Void visitNewClass(NewClassTree node, Void p) {
AnnotatedDeclaredType type = atypeFactory.getAnnotatedType(node);
ExpressionTree identifier = node.getIdentifier();
if (identifier instanceof AnnotatedTypeTree) {
AnnotatedTypeTree t = (AnnotatedTypeTree) identifier;
for (AnnotationMirror a : atypeFactory.getAnnotatedType(t).getAnnotations()) {
// is this an annotation of the nullness checker?
boolean nullnessCheckerAnno =
containsSameIgnoringValues(atypeFactory.getNullnessAnnotations(), a);
if (nullnessCheckerAnno && !AnnotationUtils.areSame(NONNULL, a)) {
// The type is not non-null => warning
checker.report(Result.warning("new.class.type.invalid", type.getAnnotations()), node);
// Note that other consistency checks are made by isValid.
}
}
if (t.toString().contains("@PolyNull")) {
// TODO: this is a hack, but PolyNull gets substituted
// afterwards
checker.report(Result.warning("new.class.type.invalid", type.getAnnotations()), node);
}
}
// TODO: It might be nicer to introduce a framework-level
// isValidNewClassType or some such.
return super.visitNewClass(node, p);
}
private static List<? extends TypeMirror> computeNewClass(
Set<ElementKind> types, CompilationInfo info, TreePath parent, Tree error, int offset) {
NewClassTree nct = (NewClassTree) parent.getLeaf();
boolean errorInRealArguments = false;
for (Tree param : nct.getArguments()) {
errorInRealArguments |= param == error;
}
if (errorInRealArguments) {
TypeMirror[] proposedType = new TypeMirror[1];
int[] proposedIndex = new int[1];
ExecutableElement ee =
org.netbeans.modules.editor.java.Utilities.fuzzyResolveMethodInvocation(
info, parent, proposedType, proposedIndex);
if (ee == null) { // cannot be resolved
return null;
}
types.add(ElementKind.PARAMETER);
types.add(ElementKind.LOCAL_VARIABLE);
types.add(ElementKind.FIELD);
return Collections.singletonList(proposedType[0]);
}
Tree id = nct.getIdentifier();
if (id.getKind() == Kind.PARAMETERIZED_TYPE) {
id = ((ParameterizedTypeTree) id).getType();
}
if (id == error) {
return resolveType(
EnumSet.noneOf(ElementKind.class), info, parent.getParentPath(), nct, offset, null, null);
}
return null;
}
@Override
public Void visitNewClass(NewClassTree node, AnnotatedTypeMirror p) {
super.visitNewClass(node, p);
if (useFbc) {
boolean allCommitted = true;
Type type = ((JCTree) node).type;
for (ExpressionTree a : node.getArguments()) {
final AnnotatedTypeMirror t = getAnnotatedType(a);
allCommitted &= (isCommitted(t) || isFbcBottom(t));
}
if (!allCommitted) {
p.replaceAnnotation(createFreeAnnotation(type));
}
}
return null;
}
@Override
public Void visitNewClass(NewClassTree tree, AnnotatedTypeMirror type) {
boolean wrapperClass =
TypesUtils.isBoxedPrimitive(type.getUnderlyingType())
|| TypesUtils.isDeclaredOfName(type.getUnderlyingType(), "java.lang.String");
if (wrapperClass
|| (isUnderlyingTypeAValue(type)
&& methodIsStaticallyExecutable(TreeUtils.elementFromUse(tree)))) {
// get arugment values
List<? extends ExpressionTree> arguments = tree.getArguments();
ArrayList<List<?>> argValues;
if (arguments.size() > 0) {
argValues = new ArrayList<List<?>>();
for (ExpressionTree argument : arguments) {
AnnotatedTypeMirror argType = getAnnotatedType(argument);
List<?> values = getValues(argType, argType.getUnderlyingType());
if (values.isEmpty()) {
// values aren't known, so don't try to evaluate the
// method
return null;
}
argValues.add(values);
}
} else {
argValues = null;
}
// Evaluate method
List<?> returnValues =
evalutator.evaluteConstrutorCall(argValues, tree, type.getUnderlyingType());
AnnotationMirror returnType =
resultAnnotationHandler(type.getUnderlyingType(), returnValues, tree);
type.replaceAnnotation(returnType);
}
return null;
}
private Pair<ParameterizedTypeTree, AnnotatedDeclaredType> extractParameterizedTypeTree(
Tree tree, AnnotatedDeclaredType type) {
ParameterizedTypeTree typeargtree = null;
switch (tree.getKind()) {
case VARIABLE:
Tree lt = ((VariableTree) tree).getType();
if (lt instanceof ParameterizedTypeTree) {
typeargtree = (ParameterizedTypeTree) lt;
} else {
// System.out.println("Found a: " + lt);
}
break;
case PARAMETERIZED_TYPE:
typeargtree = (ParameterizedTypeTree) tree;
break;
case NEW_CLASS:
NewClassTree nct = (NewClassTree) tree;
ExpressionTree nctid = nct.getIdentifier();
if (nctid.getKind() == Tree.Kind.PARAMETERIZED_TYPE) {
typeargtree = (ParameterizedTypeTree) nctid;
/*
* This is quite tricky... for anonymous class instantiations,
* the type at this point has no type arguments. By doing the
* following, we get the type arguments again.
*/
type = (AnnotatedDeclaredType) atypeFactory.getAnnotatedType(typeargtree);
}
break;
case ANNOTATED_TYPE:
AnnotatedTypeTree tr = (AnnotatedTypeTree) tree;
ExpressionTree undtr = tr.getUnderlyingType();
if (undtr instanceof ParameterizedTypeTree) {
typeargtree = (ParameterizedTypeTree) undtr;
} else if (undtr instanceof IdentifierTree) {
// @Something D -> Nothing to do
} else {
// TODO: add more test cases to ensure that nested types are
// handled correctly,
// e.g. @Nullable() List<@Nullable Object>[][]
Pair<ParameterizedTypeTree, AnnotatedDeclaredType> p =
extractParameterizedTypeTree(undtr, type);
typeargtree = p.first;
type = p.second;
}
break;
case IDENTIFIER:
case ARRAY_TYPE:
case NEW_ARRAY:
case MEMBER_SELECT:
case UNBOUNDED_WILDCARD:
case EXTENDS_WILDCARD:
case SUPER_WILDCARD:
case TYPE_PARAMETER:
// Nothing to do.
// System.out.println("Found a: " + (tree instanceof
// ParameterizedTypeTree));
break;
default:
// the parameterized type is the result of some expression tree.
// No need to do anything further.
break;
// System.err.printf("TypeValidator.visitDeclared unhandled tree: %s of kind %s\n",
// tree, tree.getKind());
}
return Pair.of(typeargtree, type);
}