private static boolean containsAllCases(GrSwitchStatement statement) {
final GrCaseSection[] sections = statement.getCaseSections();
for (GrCaseSection section : sections) {
if (section.isDefault()) return true;
}
final GrExpression condition = statement.getCondition();
if (!(condition instanceof GrReferenceExpression)) return false;
PsiType type = TypesUtil.unboxPrimitiveTypeWrapper(getNominalTypeNoRecursion(condition));
if (type == null) return false;
if (type instanceof PsiPrimitiveType) {
if (type == PsiType.BOOLEAN) return sections.length == 2;
if (type == PsiType.BYTE || type == PsiType.CHAR) return sections.length == 128;
return false;
}
if (type instanceof PsiClassType) {
final PsiClass resolved = ((PsiClassType) type).resolve();
if (resolved != null && resolved.isEnum()) {
int enumConstantCount = 0;
final PsiField[] fields = resolved.getFields();
for (PsiField field : fields) {
if (field instanceof PsiEnumConstant) enumConstantCount++;
}
if (sections.length == enumConstantCount) return true;
}
}
return false;
}
@Nullable
public static PsiType getExpectedClosureReturnType(GrClosableBlock closure) {
final Set<PsiType> expectedTypes = getDefaultExpectedTypes(closure);
List<PsiType> expectedReturnTypes = new ArrayList<PsiType>();
for (PsiType expectedType : expectedTypes) {
if (!(expectedType instanceof PsiClassType)) return null;
final PsiClassType.ClassResolveResult resolveResult =
((PsiClassType) expectedType).resolveGenerics();
final PsiClass resolved = resolveResult.getElement();
if (resolved == null
|| !(GroovyCommonClassNames.GROOVY_LANG_CLOSURE.equals(resolved.getQualifiedName())))
return null;
final PsiTypeParameter[] typeParameters = resolved.getTypeParameters();
if (typeParameters.length != 1) return null;
final PsiTypeParameter expected = typeParameters[0];
final PsiType expectedReturnType = resolveResult.getSubstitutor().substitute(expected);
if (expectedReturnType == PsiType.VOID || expectedReturnType == null) return null;
expectedReturnTypes.add(expectedReturnType);
}
return TypesUtil.getLeastUpperBoundNullable(expectedReturnTypes, closure.getManager());
}
private static boolean generateDelegate(GrChangeInfoImpl grInfo) {
final GrMethod method = grInfo.getMethod();
final PsiClass psiClass = method.getContainingClass();
GrMethod newMethod = (GrMethod) method.copy();
newMethod = (GrMethod) psiClass.addAfter(newMethod, method);
StringBuilder buffer = new StringBuilder();
buffer.append("\n");
if (method.isConstructor()) {
buffer.append("this");
} else {
if (!PsiType.VOID.equals(method.getReturnType())) {
buffer.append("return ");
}
buffer.append(
GrChangeSignatureUtil.getNameWithQuotesIfNeeded(
grInfo.getNewName(), method.getProject()));
}
generateParametersForDelegateCall(grInfo, method, buffer);
final GrCodeBlock codeBlock =
GroovyPsiElementFactory.getInstance(method.getProject())
.createMethodBodyFromText(buffer.toString());
newMethod.setBlock(codeBlock);
newMethod.getModifierList().setModifierProperty(PsiModifier.ABSTRACT, false);
CodeStyleManager.getInstance(method.getProject()).reformat(newMethod);
return processPrimaryMethodInner(grInfo, method, null);
}
@Override
public void visitAnnotationArrayInitializer(GrAnnotationArrayInitializer arrayInitializer) {
final GrAnnotationNameValuePair nameValuePair =
PsiTreeUtil.getParentOfType(
arrayInitializer,
GrAnnotationNameValuePair.class,
true,
GrDefaultAnnotationValue.class);
if (nameValuePair != null) {
final PsiClass annot = ResolveUtil.resolveAnnotation(arrayInitializer);
if (annot == null) return;
final String name = nameValuePair.getName();
if (name == null) return;
final PsiMethod[] attrs = annot.findMethodsByName(name, false);
if (attrs.length > 0) {
PsiType type = attrs[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
} else {
final GrAnnotationMethod method =
PsiTreeUtil.getParentOfType(arrayInitializer, GrAnnotationMethod.class);
assert method != null;
PsiType type = method.getReturnType();
int count = 1;
PsiElement parent = arrayInitializer.getParent();
while (parent instanceof GrAnnotationArrayInitializer) {
count++;
parent = parent.getParent();
}
while (type instanceof PsiArrayType && count > 0) {
type = ((PsiArrayType) type).getComponentType();
count--;
}
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
}
@Override
public void visitAnnotationNameValuePair(GrAnnotationNameValuePair nameValuePair) {
if (myExpression.equals(nameValuePair.getValue())) {
final PsiClass annot = ResolveUtil.resolveAnnotation(nameValuePair.getParent());
if (annot != null) {
final String name = nameValuePair.getName();
if (name != null) {
final PsiMethod[] attrs = annot.findMethodsByName(name, false);
if (attrs.length > 0) {
PsiType type = attrs[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
} else {
final PsiMethod[] valueAttr = annot.findMethodsByName("value", false);
boolean canHaveSimpleExpr = valueAttr.length > 0;
final PsiMethod[] methods = annot.getMethods();
for (PsiMethod method : methods) {
if (!("value".equals(method.getName())
|| method instanceof PsiAnnotationMethod
&& ((PsiAnnotationMethod) method).getDefaultValue() != null)) {
canHaveSimpleExpr = false;
}
}
if (canHaveSimpleExpr) {
PsiType type = valueAttr[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
}
}
}
}