private static boolean arrayInitializerExpressionsAreEquivalent(
@NotNull PsiArrayInitializerExpression arrayInitializerExpression1,
@NotNull PsiArrayInitializerExpression arrayInitializerExpression2) {
final PsiExpression[] initializers1 = arrayInitializerExpression1.getInitializers();
final PsiExpression[] initializers2 = arrayInitializerExpression2.getInitializers();
return expressionListsAreEquivalent(initializers1, initializers2);
}
static boolean isComplexArrayExpression(PsiExpression expression) {
expression = ParenthesesUtils.stripParentheses(expression);
if (expression == null) {
return false;
}
if (expression instanceof PsiNewExpression) {
final PsiNewExpression newExpression = (PsiNewExpression) expression;
final PsiArrayInitializerExpression arrayInitializer = newExpression.getArrayInitializer();
return isComplexArrayExpression(arrayInitializer);
} else if (expression instanceof PsiArrayInitializerExpression) {
final PsiArrayInitializerExpression arrayInitializerExpression =
(PsiArrayInitializerExpression) expression;
for (PsiExpression initializer : arrayInitializerExpression.getInitializers()) {
if (isComplexArrayExpression(initializer)) {
return true;
}
}
return false;
} else if (expression instanceof PsiReferenceExpression) {
return expression.getType() instanceof PsiArrayType;
} else if (expression instanceof PsiArrayAccessExpression) {
return true;
} else if (expression instanceof PsiTypeCastExpression) {
final PsiTypeCastExpression typeCastExpression = (PsiTypeCastExpression) expression;
return isComplexArrayExpression(typeCastExpression.getOperand());
} else if (expression instanceof PsiConditionalExpression) {
final PsiConditionalExpression conditionalExpression =
(PsiConditionalExpression) expression;
return isComplexArrayExpression(conditionalExpression.getThenExpression())
|| isComplexArrayExpression(conditionalExpression.getElseExpression());
} else if (expression instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
final PsiMethod method = methodCallExpression.resolveMethod();
if (method == null) {
return true;
}
if (CloneUtils.isClone(method)) {
return false;
}
@NonNls final String name = method.getName();
if ("copyOf".equals(name) || "copyOfRange".equals(name)) {
final PsiClass aClass = method.getContainingClass();
if (aClass != null
&& CommonClassNames.JAVA_UTIL_ARRAYS.equals(aClass.getQualifiedName())) {
return false;
}
} else if ("toArray".equals(name)
&& InheritanceUtil.isInheritor(method.getContainingClass(), "java.util.Collection")) {
return false;
}
return true;
}
return true;
}
static boolean isSimpleArrayExpression(PsiExpression initializer) {
if (initializer == null) {
return true;
}
if (initializer instanceof PsiNewExpression) {
final PsiNewExpression newExpression = (PsiNewExpression) initializer;
final PsiArrayInitializerExpression arrayInitializer = newExpression.getArrayInitializer();
return arrayInitializer == null || isSimpleArrayExpression(arrayInitializer);
}
if (initializer instanceof PsiArrayInitializerExpression) {
final PsiArrayInitializerExpression arrayInitializerExpression =
(PsiArrayInitializerExpression) initializer;
final PsiExpression[] initializers = arrayInitializerExpression.getInitializers();
return initializers.length == 0;
}
return false;
}
private static void removeParensFromArrayInitializerExpression(
@NotNull PsiArrayInitializerExpression arrayInitializerExpression,
boolean ignoreClarifyingParentheses) {
final PsiExpression[] initializers = arrayInitializerExpression.getInitializers();
for (final PsiExpression initializer : initializers) {
removeParentheses(initializer, ignoreClarifyingParentheses);
}
}
@Override
public void visitArrayInitializerExpression(PsiArrayInitializerExpression expression) {
if (read || written) {
return;
}
super.visitArrayInitializerExpression(expression);
final PsiExpression[] arguments = expression.getInitializers();
for (final PsiExpression argument : arguments) {
final VariableUsedVisitor visitor = new VariableUsedVisitor(variable);
argument.accept(visitor);
if (visitor.isUsed()) {
read = true;
reference = visitor.getReference();
return;
}
}
}
// This methods works equally well for primary usages as well as for propagated callers' usages
private static void fixActualArgumentsList(
PsiExpressionList list,
JavaChangeInfo changeInfo,
boolean toInsertDefaultValue,
PsiSubstitutor substitutor)
throws IncorrectOperationException {
final PsiElementFactory factory =
JavaPsiFacade.getInstance(list.getProject()).getElementFactory();
if (changeInfo.isParameterSetOrOrderChanged()) {
if (changeInfo instanceof JavaChangeInfoImpl
&& ((JavaChangeInfoImpl) changeInfo).isPropagationEnabled) {
final ParameterInfoImpl[] createdParmsInfo =
((JavaChangeInfoImpl) changeInfo).getCreatedParmsInfoWithoutVarargs();
for (ParameterInfoImpl info : createdParmsInfo) {
PsiExpression newArg;
if (toInsertDefaultValue) {
newArg = createDefaultValue(changeInfo, factory, info, list);
} else {
newArg = factory.createExpressionFromText(info.getName(), list);
}
JavaCodeStyleManager.getInstance(list.getProject())
.shortenClassReferences(list.add(newArg));
}
} else {
final PsiExpression[] args = list.getExpressions();
final int nonVarargCount = getNonVarargCount(changeInfo, args);
final int varargCount = args.length - nonVarargCount;
if (varargCount < 0) return;
PsiExpression[] newVarargInitializers = null;
final int newArgsLength;
final int newNonVarargCount;
final JavaParameterInfo[] newParms = changeInfo.getNewParameters();
if (changeInfo.isArrayToVarargs()) {
newNonVarargCount = newParms.length - 1;
final JavaParameterInfo lastNewParm = newParms[newParms.length - 1];
final PsiExpression arrayToConvert = args[lastNewParm.getOldIndex()];
if (arrayToConvert instanceof PsiNewExpression) {
final PsiNewExpression expression = (PsiNewExpression) arrayToConvert;
final PsiArrayInitializerExpression arrayInitializer = expression.getArrayInitializer();
if (arrayInitializer != null) {
newVarargInitializers = arrayInitializer.getInitializers();
}
}
newArgsLength =
newVarargInitializers == null
? newParms.length
: newNonVarargCount + newVarargInitializers.length;
} else if (changeInfo.isRetainsVarargs()) {
newNonVarargCount = newParms.length - 1;
newArgsLength = newNonVarargCount + varargCount;
} else if (changeInfo.isObtainsVarags()) {
newNonVarargCount = newParms.length - 1;
newArgsLength = newNonVarargCount;
} else {
newNonVarargCount = newParms.length;
newArgsLength = newParms.length;
}
String[] oldVarargs = null;
if (changeInfo.wasVararg() && !changeInfo.isRetainsVarargs()) {
oldVarargs = new String[varargCount];
for (int i = nonVarargCount; i < args.length; i++) {
oldVarargs[i - nonVarargCount] = args[i].getText();
}
}
final PsiExpression[] newArgs = new PsiExpression[newArgsLength];
for (int i = 0; i < newNonVarargCount; i++) {
if (newParms[i].getOldIndex() == nonVarargCount && oldVarargs != null) {
PsiType type = newParms[i].createType(changeInfo.getMethod(), list.getManager());
if (type instanceof PsiArrayType) {
type = substitutor.substitute(type);
type = TypeConversionUtil.erasure(type);
String typeText = type.getCanonicalText();
if (type instanceof PsiEllipsisType) {
typeText = typeText.replace("...", "[]");
}
String text = "new " + typeText + "{" + StringUtil.join(oldVarargs, ",") + "}";
newArgs[i] = factory.createExpressionFromText(text, changeInfo.getMethod());
continue;
}
}
newArgs[i] =
createActualArgument(changeInfo, list, newParms[i], toInsertDefaultValue, args);
}
if (changeInfo.isArrayToVarargs()) {
if (newVarargInitializers == null) {
newArgs[newNonVarargCount] =
createActualArgument(
changeInfo, list, newParms[newNonVarargCount], toInsertDefaultValue, args);
} else {
System.arraycopy(
newVarargInitializers, 0, newArgs, newNonVarargCount, newVarargInitializers.length);
}
} else {
final int newVarargCount = newArgsLength - newNonVarargCount;
LOG.assertTrue(newVarargCount == 0 || newVarargCount == varargCount);
for (int i = newNonVarargCount; i < newArgsLength; i++) {
final int oldIndex = newParms[newNonVarargCount].getOldIndex();
if (oldIndex >= 0 && oldIndex != nonVarargCount) {
newArgs[i] =
createActualArgument(
changeInfo, list, newParms[newNonVarargCount], toInsertDefaultValue, args);
} else {
System.arraycopy(args, nonVarargCount, newArgs, newNonVarargCount, newVarargCount);
break;
}
}
}
ChangeSignatureUtil.synchronizeList(
list, Arrays.asList(newArgs), ExpressionList.INSTANCE, changeInfo.toRemoveParm());
}
}
}