// Propagate the type checking to the arguments, and checks if the constructor is defined.
// ClassInstanceCreationExpression ::= Primary '.' 'new' SimpleName '(' ArgumentListopt ')' ClassBodyopt
// ClassInstanceCreationExpression ::= Name '.' 'new' SimpleName '(' ArgumentListopt ')' ClassBodyopt
this.constant = Constant.NotAConstant;
TypeBinding enclosingInstanceType = null;
ReferenceBinding enclosingInstanceReference = null;
TypeBinding receiverType = null;
boolean hasError = false;
boolean enclosingInstanceContainsCast = false;
boolean argsContainCast = false;
if (this.enclosingInstance != null) {
if (this.enclosingInstance instanceof CastExpression) {
this.enclosingInstance.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on
enclosingInstanceContainsCast = true;
}
if ((enclosingInstanceType = this.enclosingInstance.resolveType(scope)) == null){
hasError = true;
} else if (enclosingInstanceType.isBaseType() || enclosingInstanceType.isArrayType()) {
scope.problemReporter().illegalPrimitiveOrArrayTypeForEnclosingInstance(
enclosingInstanceType,
this.enclosingInstance);
hasError = true;
} else if (this.type instanceof QualifiedTypeReference) {
scope.problemReporter().illegalUsageOfQualifiedTypeReference((QualifiedTypeReference)this.type);
hasError = true;
} else if (!(enclosingInstanceReference = (ReferenceBinding) enclosingInstanceType).canBeSeenBy(scope)) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=317212
enclosingInstanceType = new ProblemReferenceBinding(
enclosingInstanceReference.compoundName,
enclosingInstanceReference,
ProblemReasons.NotVisible);
scope.problemReporter().invalidType(this.enclosingInstance, enclosingInstanceType);
hasError = true;
} else {
receiverType = ((SingleTypeReference) this.type).resolveTypeEnclosing(scope, (ReferenceBinding) enclosingInstanceType);
if (receiverType != null && enclosingInstanceContainsCast) {
CastExpression.checkNeedForEnclosingInstanceCast(scope, this.enclosingInstance, enclosingInstanceType, receiverType);
}
}
} else {
if (this.type == null) {
// initialization of an enum constant
receiverType = scope.enclosingSourceType();
} else {
receiverType = this.type.resolveType(scope, true /* check bounds*/);
checkParameterizedAllocation: {
if (receiverType == null || !receiverType.isValidBinding()) break checkParameterizedAllocation;
if (this.type instanceof ParameterizedQualifiedTypeReference) { // disallow new X<String>.Y<Integer>()
ReferenceBinding currentType = (ReferenceBinding)receiverType;
do {
// isStatic() is answering true for toplevel types
if ((currentType.modifiers & ClassFileConstants.AccStatic) != 0) break checkParameterizedAllocation;
if (currentType.isRawType()) break checkParameterizedAllocation;
} while ((currentType = currentType.enclosingType())!= null);
ParameterizedQualifiedTypeReference qRef = (ParameterizedQualifiedTypeReference) this.type;
for (int i = qRef.typeArguments.length - 2; i >= 0; i--) {
if (qRef.typeArguments[i] != null) {
scope.problemReporter().illegalQualifiedParameterizedTypeAllocation(this.type, receiverType);
break;
}
}
}
}
}
}
if (receiverType == null || !receiverType.isValidBinding()) {
hasError = true;
}
// resolve type arguments (for generic constructor call)
final boolean isDiamond = this.type != null && (this.type.bits & ASTNode.IsDiamond) != 0;
if (this.typeArguments != null) {
int length = this.typeArguments.length;
boolean argHasError = scope.compilerOptions().sourceLevel < ClassFileConstants.JDK1_5;
this.genericTypeArguments = new TypeBinding[length];
for (int i = 0; i < length; i++) {
TypeReference typeReference = this.typeArguments[i];
if ((this.genericTypeArguments[i] = typeReference.resolveType(scope, true /* check bounds*/)) == null) {
argHasError = true;
}
if (argHasError && typeReference instanceof Wildcard) {
scope.problemReporter().illegalUsageOfWildcard(typeReference);
}
}
if (isDiamond) {
scope.problemReporter().diamondNotWithExplicitTypeArguments(this.typeArguments);
return null;
}
if (argHasError) {
if (this.arguments != null) { // still attempt to resolve arguments
for (int i = 0, max = this.arguments.length; i < max; i++) {
this.arguments[i].resolveType(scope);
}
}
return null;
}
}
// will check for null after args are resolved
TypeBinding[] argumentTypes = Binding.NO_PARAMETERS;
if (this.arguments != null) {
int length = this.arguments.length;
argumentTypes = new TypeBinding[length];
for (int i = 0; i < length; i++) {
Expression argument = this.arguments[i];
if (argument instanceof CastExpression) {
argument.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on
argsContainCast = true;
}
if ((argumentTypes[i] = argument.resolveType(scope)) == null){
hasError = true;
}
}
}
// limit of fault-tolerance
if (hasError) {
/* https://bugs.eclipse.org/bugs/show_bug.cgi?id=345359, if arguments have errors, completely bail out in the <> case.
No meaningful type resolution is possible since inference of the elided types is fully tied to argument types. Do
not return the partially resolved type.
*/
if (isDiamond) {
return null; // not the partially cooked this.resolvedType
}
if (receiverType instanceof ReferenceBinding) {
ReferenceBinding referenceReceiver = (ReferenceBinding) receiverType;
if (receiverType.isValidBinding()) {
// record a best guess, for clients who need hint about possible contructor match
int length = this.arguments == null ? 0 : this.arguments.length;
TypeBinding[] pseudoArgs = new TypeBinding[length];
for (int i = length; --i >= 0;) {
pseudoArgs[i] = argumentTypes[i] == null ? TypeBinding.NULL : argumentTypes[i]; // replace args with errors with null type
}
this.binding = scope.findMethod(referenceReceiver, TypeConstants.INIT, pseudoArgs, this);
if (this.binding != null && !this.binding.isValidBinding()) {
MethodBinding closestMatch = ((ProblemMethodBinding)this.binding).closestMatch;
// record the closest match, for clients who may still need hint about possible method match
if (closestMatch != null) {
if (closestMatch.original().typeVariables != Binding.NO_TYPE_VARIABLES) { // generic method
// shouldn't return generic method outside its context, rather convert it to raw method (175409)
closestMatch = scope.environment().createParameterizedGenericMethod(closestMatch.original(), (RawTypeBinding)null);
}
this.binding = closestMatch;
MethodBinding closestMatchOriginal = closestMatch.original();
if (closestMatchOriginal.isOrEnclosedByPrivateType() && !scope.isDefinedInMethod(closestMatchOriginal)) {
// ignore cases where method is used from within inside itself (e.g. direct recursions)
closestMatchOriginal.modifiers |= ExtraCompilerModifiers.AccLocallyUsed;
}
}
}
}
if (this.anonymousType != null) {
// insert anonymous type in scope (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=210070)
scope.addAnonymousType(this.anonymousType, referenceReceiver);
this.anonymousType.resolve(scope);
return this.resolvedType = this.anonymousType.binding;
}
}
return this.resolvedType = receiverType;
}
if (this.anonymousType == null) {
// qualified allocation with no anonymous type
if (!receiverType.canBeInstantiated()) {
scope.problemReporter().cannotInstantiate(this.type, receiverType);
return this.resolvedType = receiverType;
}
if (isDiamond) {
TypeBinding [] inferredTypes = inferElidedTypes(((ParameterizedTypeBinding) receiverType).genericType(), receiverType.enclosingType(), argumentTypes, scope);
if (inferredTypes == null) {
scope.problemReporter().cannotInferElidedTypes(this);
return this.resolvedType = null;
}
receiverType = this.type.resolvedType = scope.environment().createParameterizedType(((ParameterizedTypeBinding) receiverType).genericType(), inferredTypes, ((ParameterizedTypeBinding) receiverType).enclosingType());
}
ReferenceBinding allocationType = (ReferenceBinding) receiverType;
if ((this.binding = scope.getConstructor(allocationType, argumentTypes, this)).isValidBinding()) {
if (isMethodUseDeprecated(this.binding, scope, true)) {
scope.problemReporter().deprecatedMethod(this.binding, this);
}
if (checkInvocationArguments(scope, null, allocationType, this.binding, this.arguments, argumentTypes, argsContainCast, this)) {
this.bits |= ASTNode.Unchecked;
}
if (this.typeArguments != null && this.binding.original().typeVariables == Binding.NO_TYPE_VARIABLES) {
scope.problemReporter().unnecessaryTypeArgumentsForMethodInvocation(this.binding, this.genericTypeArguments, this.typeArguments);
}
} else {
if (this.binding.declaringClass == null) {
this.binding.declaringClass = allocationType;
}
if (this.type != null && !this.type.resolvedType.isValidBinding()) {
// problem already got signaled on type reference, do not report secondary problem
return null;
}
scope.problemReporter().invalidConstructor(this, this.binding);
return this.resolvedType = receiverType;
}
if ((this.binding.tagBits & TagBits.HasMissingType) != 0) {
scope.problemReporter().missingTypeInConstructor(this, this.binding);
}
if (!isDiamond && receiverType.isParameterizedTypeWithActualArguments()) {
checkTypeArgumentRedundancy((ParameterizedTypeBinding)receiverType, receiverType.enclosingType(), argumentTypes , scope);
}
// The enclosing instance must be compatible with the innermost enclosing type
ReferenceBinding expectedType = this.binding.declaringClass.enclosingType();
if (expectedType != enclosingInstanceType) // must call before computeConversion() and typeMismatchError()
scope.compilationUnitScope().recordTypeConversion(expectedType, enclosingInstanceType);