public boolean canUseDiamond(String[] parameterTypes, char[] fullyQualifiedTypeName) {
TypeBinding guessedType = null;
char[][] cn = CharOperation.splitOn('.', fullyQualifiedTypeName);
Scope scope = this.assistScope;
if (scope.compilerOptions().sourceLevel < ClassFileConstants.JDK1_7) return false;
// If no LHS or return type expected, then we can safely use diamond
char[][] expectedTypekeys = this.completionContext.getExpectedTypesKeys();
if (expectedTypekeys == null || expectedTypekeys.length == 0) return true;
// Next, find out whether any of the constructor parameters are the same as one of the
// class type variables. If yes, diamond cannot be used.
TypeReference ref;
if (cn.length == 1) {
ref = new SingleTypeReference(cn[0], 0);
} else {
ref = new QualifiedTypeReference(cn, new long[cn.length]);
}
// {ObjectTeams: protect call into the compiler
try (Config config =
Dependencies.setup(this, this.parser, this.lookupEnvironment, true, true)) {
// orig:
switch (scope.kind) {
case Scope.METHOD_SCOPE:
case Scope.BLOCK_SCOPE:
guessedType = ref.resolveType((BlockScope) scope);
break;
case Scope.CLASS_SCOPE:
guessedType = ref.resolveType((ClassScope) scope);
break;
}
// :giro
}
// SH}
if (guessedType != null && guessedType.isValidBinding()) {
// the erasure must be used because guessedType can be a RawTypeBinding
guessedType = guessedType.erasure();
TypeVariableBinding[] typeVars = guessedType.typeVariables();
for (int i = 0; i < parameterTypes.length; i++) {
for (int j = 0; j < typeVars.length; j++) {
if (CharOperation.equals(parameterTypes[i].toCharArray(), typeVars[j].sourceName))
return false;
}
}
return true;
}
return false;
}
/**
* Resolve and bind arguments, return type.
*
* @param scope used for resolving. Newly bound arguments are entered here.
* @param isBaseSide TODO
*/
public void resolveTypes(CallinCalloutScope scope, boolean isBaseSide) {
if (this.typeParameters != null) {
for (int i = 0, length = this.typeParameters.length; i < length; i++) {
if (isBaseSide)
scope.problemReporter().illegalMappingRHSTypeParameter(this.typeParameters[i]);
else this.typeParameters[i].resolve(scope);
}
if (!isBaseSide) scope.connectTypeVariables(this.typeParameters, true);
}
TypeBinding[] types = Binding.NO_PARAMETERS;
if (this.arguments != null) {
types = new TypeBinding[this.arguments.length];
for (int i = 0; i < this.arguments.length; i++) {
TypeReference type = this.arguments[i].type;
if (isBaseSide) type.setBaseclassDecapsulation(DecapsulationState.ALLOWED);
types[i] = type.resolveType(scope);
if (types[i] != null) {
type.resolvedType =
types[i] =
RoleTypeCreator.maybeWrapUnqualifiedRoleType(scope, types[i], this.arguments[i]);
} else {
// ensure we have a type set!
types[i] = type.resolvedType; // a ProblemBinding !?
if (types[i] == null)
types[i] =
new ProblemReferenceBinding(type.getTypeName(), null, ProblemReasons.NotFound);
}
// record in scope, needed for role types anchored to an argument
// (all arguments must be bound in order!)
this.arguments[i].bind(scope, types[i], false);
}
}
if (this.hasSignature) this.argNeedsTranslation = new boolean[types.length];
if (this.returnType != null) {
if (isBaseSide) this.returnType.setBaseclassDecapsulation(DecapsulationState.ALLOWED);
this.returnType.resolve(scope);
if (this.returnType.resolvedType != null)
this.returnType.resolvedType =
RoleTypeCreator.maybeWrapUnqualifiedRoleType(
scope, this.returnType.resolvedType, this.returnType);
}
this.parameters = types;
}
public TypeBinding resolveType(BlockScope scope) {
// Build an array type reference using the current dimensions
// The parser does not check for the fact that dimension may be null
// only at the -end- like new int [4][][]. The parser allows new int[][4][]
// so this must be checked here......(this comes from a reduction to LL1 grammar)
TypeBinding referenceType = type.resolveType(scope, true /* check bounds*/);
// will check for null after dimensions are checked
constant = Constant.NotAConstant;
if (referenceType == VoidBinding) {
scope.problemReporter().cannotAllocateVoidArray(this);
referenceType = null;
}
// check the validity of the dimension syntax (and test for all null dimensions)
int explicitDimIndex = -1;
loop:
for (int i = dimensions.length; --i >= 0; ) {
if (dimensions[i] != null) {
if (explicitDimIndex < 0) explicitDimIndex = i;
} else if (explicitDimIndex > 0) {
// should not have an empty dimension before an non-empty one
scope.problemReporter().incorrectLocationForNonEmptyDimension(this, explicitDimIndex);
break loop;
}
}
// explicitDimIndex < 0 says if all dimensions are nulled
// when an initializer is given, no dimension must be specified
if (initializer == null) {
if (explicitDimIndex < 0) {
scope.problemReporter().mustDefineDimensionsOrInitializer(this);
}
// allow new List<?>[5] - only check for generic array when no initializer, since also checked
// inside initializer resolution
if (referenceType != null && !referenceType.isReifiable()) {
scope.problemReporter().illegalGenericArray(referenceType, this);
}
} else if (explicitDimIndex >= 0) {
scope.problemReporter().cannotDefineDimensionsAndInitializer(this);
}
// dimensions resolution
for (int i = 0; i <= explicitDimIndex; i++) {
if (dimensions[i] != null) {
TypeBinding dimensionType = dimensions[i].resolveTypeExpecting(scope, IntBinding);
if (dimensionType != null) {
dimensions[i].computeConversion(scope, IntBinding, dimensionType);
}
}
}
// building the array binding
if (referenceType != null) {
if (dimensions.length > 255) {
scope.problemReporter().tooManyDimensions(this);
}
this.resolvedType = scope.createArrayType(referenceType, dimensions.length);
// check the initializer
if (initializer != null) {
if ((initializer.resolveTypeExpecting(scope, this.resolvedType)) != null)
initializer.binding = (ArrayBinding) this.resolvedType;
}
}
return this.resolvedType;
}
private TypeBinding internalResolveLeafType(
Scope scope, ReferenceBinding enclosingType, boolean checkBounds) {
ReferenceBinding currentType;
if (enclosingType == null) {
this.resolvedType = scope.getType(this.token);
if (this.resolvedType.isValidBinding()) {
currentType = (ReferenceBinding) this.resolvedType;
} else {
reportInvalidType(scope);
switch (this.resolvedType.problemId()) {
case ProblemReasons.NotFound:
case ProblemReasons.NotVisible:
case ProblemReasons.InheritedNameHidesEnclosingName:
TypeBinding type = this.resolvedType.closestMatch();
if (type instanceof ReferenceBinding) {
currentType = (ReferenceBinding) type;
break;
}
// $FALL-THROUGH$ - unable to complete type binding, but still resolve type arguments
default:
boolean isClassScope = scope.kind == Scope.CLASS_SCOPE;
int argLength = this.typeArguments.length;
for (int i = 0; i < argLength; i++) {
TypeReference typeArgument = this.typeArguments[i];
if (isClassScope) {
typeArgument.resolveType((ClassScope) scope);
} else {
typeArgument.resolveType((BlockScope) scope, checkBounds);
}
}
return null;
}
// be resilient, still attempt resolving arguments
}
enclosingType = currentType.enclosingType(); // if member type
if (enclosingType != null) {
enclosingType =
currentType.isStatic()
? (ReferenceBinding)
scope
.environment()
.convertToRawType(
enclosingType, false /*do not force conversion of enclosing types*/)
: scope.environment().convertToParameterizedType(enclosingType);
currentType =
scope
.environment()
.createParameterizedType(
(ReferenceBinding) currentType.erasure(), null /* no arg */, enclosingType);
}
} else { // resolving member type (relatively to enclosingType)
this.resolvedType = currentType = scope.getMemberType(this.token, enclosingType);
if (!this.resolvedType.isValidBinding()) {
scope.problemReporter().invalidEnclosingType(this, currentType, enclosingType);
return null;
}
if (isTypeUseDeprecated(currentType, scope))
scope.problemReporter().deprecatedType(currentType, this);
ReferenceBinding currentEnclosing = currentType.enclosingType();
if (currentEnclosing != null && currentEnclosing.erasure() != enclosingType.erasure()) {
enclosingType =
currentEnclosing; // inherited member type, leave it associated with its enclosing
// rather than subtype
}
}
// check generic and arity
boolean isClassScope = scope.kind == Scope.CLASS_SCOPE;
TypeReference keep = null;
if (isClassScope) {
keep = ((ClassScope) scope).superTypeReference;
((ClassScope) scope).superTypeReference = null;
}
int argLength = this.typeArguments.length;
TypeBinding[] argTypes = new TypeBinding[argLength];
boolean argHasError = false;
ReferenceBinding currentOriginal = (ReferenceBinding) currentType.original();
for (int i = 0; i < argLength; i++) {
TypeReference typeArgument = this.typeArguments[i];
TypeBinding argType =
isClassScope
? typeArgument.resolveTypeArgument((ClassScope) scope, currentOriginal, i)
: typeArgument.resolveTypeArgument((BlockScope) scope, currentOriginal, i);
this.bits |= (typeArgument.bits & ASTNode.HasTypeAnnotations);
if (argType == null) {
argHasError = true;
} else {
if (typeArgument.annotations != null)
argTypes[i] =
captureTypeAnnotations(scope, enclosingType, argType, typeArgument.annotations[0]);
else argTypes[i] = argType;
}
}
if (argHasError) {
return null;
}
if (isClassScope) {
((ClassScope) scope).superTypeReference = keep;
if (((ClassScope) scope).detectHierarchyCycle(currentOriginal, this)) return null;
}
final boolean isDiamond = (this.bits & ASTNode.IsDiamond) != 0;
TypeVariableBinding[] typeVariables = currentOriginal.typeVariables();
if (typeVariables == Binding.NO_TYPE_VARIABLES) { // non generic invoked with arguments
boolean isCompliant15 =
scope.compilerOptions().originalSourceLevel >= ClassFileConstants.JDK1_5;
if ((currentOriginal.tagBits & TagBits.HasMissingType) == 0) {
if (isCompliant15) { // below 1.5, already reported as syntax error
this.resolvedType = currentType;
scope
.problemReporter()
.nonGenericTypeCannotBeParameterized(0, this, currentType, argTypes);
return null;
}
}
// resilience do not rebuild a parameterized type unless compliance is allowing it
if (!isCompliant15) {
if (!this.resolvedType.isValidBinding()) return currentType;
return this.resolvedType = currentType;
}
// if missing generic type, and compliance >= 1.5, then will rebuild a parameterized binding
} else if (argLength != typeVariables.length) {
if (!isDiamond) { // check arity, IsDiamond never set for 1.6-
scope.problemReporter().incorrectArityForParameterizedType(this, currentType, argTypes);
return null;
}
} else if (!currentType.isStatic()) {
ReferenceBinding actualEnclosing = currentType.enclosingType();
if (actualEnclosing != null && actualEnclosing.isRawType()) {
scope
.problemReporter()
.rawMemberTypeCannotBeParameterized(
this,
scope.environment().createRawType(currentOriginal, actualEnclosing),
argTypes);
return null;
}
}
ParameterizedTypeBinding parameterizedType =
scope.environment().createParameterizedType(currentOriginal, argTypes, enclosingType);
// check argument type compatibility for non <> cases - <> case needs no bounds check, we will
// scream foul if needed during inference.
if (!isDiamond) {
if (checkBounds) // otherwise will do it in Scope.connectTypeVariables() or generic method
// resolution
parameterizedType.boundCheck(scope, this.typeArguments);
else scope.deferBoundCheck(this);
}
if (isTypeUseDeprecated(parameterizedType, scope))
reportDeprecatedType(parameterizedType, scope);
if (!this.resolvedType.isValidBinding()) {
return parameterizedType;
}
return this.resolvedType = parameterizedType;
}
public TypeBinding resolveType(BlockScope scope) {
// added for code assist...cannot occur with 'normal' code
if (this.anonymousType == null && this.enclosingInstance == null) {
return super.resolveType(scope);
}
// 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);
if (enclosingInstanceType.isCompatibleWith(expectedType)
|| scope.isBoxingCompatibleWith(enclosingInstanceType, expectedType)) {
this.enclosingInstance.computeConversion(scope, expectedType, enclosingInstanceType);
return this.resolvedType = receiverType;
}
scope
.problemReporter()
.typeMismatchError(enclosingInstanceType, expectedType, this.enclosingInstance, null);
return this.resolvedType = receiverType;
} else {
if (isDiamond) {
scope.problemReporter().diamondNotWithAnoymousClasses(this.type);
return null;
}
}
ReferenceBinding superType = (ReferenceBinding) receiverType;
if (superType.isTypeVariable()) {
superType =
new ProblemReferenceBinding(
new char[][] {superType.sourceName()},
superType,
ProblemReasons.IllegalSuperTypeVariable);
scope.problemReporter().invalidType(this, superType);
return null;
} else if (this.type != null && superType.isEnum()) { // tolerate enum constant body
scope.problemReporter().cannotInstantiate(this.type, superType);
return this.resolvedType = superType;
}
// anonymous type scenario
// an anonymous class inherits from java.lang.Object when declared "after" an interface
ReferenceBinding anonymousSuperclass =
superType.isInterface() ? scope.getJavaLangObject() : superType;
// insert anonymous type in scope
scope.addAnonymousType(this.anonymousType, superType);
this.anonymousType.resolve(scope);
// find anonymous super constructor
this.resolvedType = this.anonymousType.binding; // 1.2 change
if ((this.resolvedType.tagBits & TagBits.HierarchyHasProblems) != 0) {
return null; // stop secondary errors
}
MethodBinding inheritedBinding = scope.getConstructor(anonymousSuperclass, argumentTypes, this);
if (!inheritedBinding.isValidBinding()) {
if (inheritedBinding.declaringClass == null) {
inheritedBinding.declaringClass = anonymousSuperclass;
}
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, inheritedBinding);
return this.resolvedType;
}
if ((inheritedBinding.tagBits & TagBits.HasMissingType) != 0) {
scope.problemReporter().missingTypeInConstructor(this, inheritedBinding);
}
if (this.enclosingInstance != null) {
ReferenceBinding targetEnclosing = inheritedBinding.declaringClass.enclosingType();
if (targetEnclosing == null) {
scope
.problemReporter()
.unnecessaryEnclosingInstanceSpecification(this.enclosingInstance, superType);
return this.resolvedType;
} else if (!enclosingInstanceType.isCompatibleWith(targetEnclosing)
&& !scope.isBoxingCompatibleWith(enclosingInstanceType, targetEnclosing)) {
scope
.problemReporter()
.typeMismatchError(
enclosingInstanceType, targetEnclosing, this.enclosingInstance, null);
return this.resolvedType;
}
this.enclosingInstance.computeConversion(scope, targetEnclosing, enclosingInstanceType);
}
if (this.arguments != null) {
if (checkInvocationArguments(
scope,
null,
anonymousSuperclass,
inheritedBinding,
this.arguments,
argumentTypes,
argsContainCast,
this)) {
this.bits |= ASTNode.Unchecked;
}
}
if (this.typeArguments != null
&& inheritedBinding.original().typeVariables == Binding.NO_TYPE_VARIABLES) {
scope
.problemReporter()
.unnecessaryTypeArgumentsForMethodInvocation(
inheritedBinding, this.genericTypeArguments, this.typeArguments);
}
// Update the anonymous inner class : superclass, interface
this.binding =
this.anonymousType.createDefaultConstructorWithBinding(
inheritedBinding,
(this.bits & ASTNode.Unchecked) != 0 && this.genericTypeArguments == null);
return this.resolvedType;
}
public TypeBinding resolveType(BlockScope scope) {
// Propagate the type checking to the arguments, and check if the constructor is defined.
this.constant = Constant.NotAConstant;
if (this.type == null) {
// initialization of an enum constant
this.resolvedType = scope.enclosingReceiverType();
} else {
this.resolvedType = this.type.resolveType(scope, true /* check bounds*/);
checkParameterizedAllocation:
{
if (this.type
instanceof ParameterizedQualifiedTypeReference) { // disallow new X<String>.Y<Integer>()
ReferenceBinding currentType = (ReferenceBinding) this.resolvedType;
if (currentType == null) return currentType;
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, this.resolvedType);
break;
}
}
}
}
}
// will check for null after args are resolved
final boolean isDiamond = this.type != null && (this.type.bits & ASTNode.IsDiamond) != 0;
// resolve type arguments (for generic constructor call)
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;
}
}
// buffering the arguments' types
boolean argsContainCast = false;
TypeBinding[] argumentTypes = Binding.NO_PARAMETERS;
if (this.arguments != null) {
boolean argHasError = false;
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 |= DisableUnnecessaryCastCheck; // will check later on
argsContainCast = true;
}
if ((argumentTypes[i] = argument.resolveType(scope)) == null) {
argHasError = true;
}
}
if (argHasError) {
/* 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 (this.resolvedType instanceof ReferenceBinding) {
// record a best guess, for clients who need hint about possible constructor match
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(
(ReferenceBinding) this.resolvedType, 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;
}
}
}
}
return this.resolvedType;
}
}
if (this.resolvedType == null || !this.resolvedType.isValidBinding()) {
return null;
}
// null type denotes fake allocation for enum constant inits
if (this.type != null && !this.resolvedType.canBeInstantiated()) {
scope.problemReporter().cannotInstantiate(this.type, this.resolvedType);
return this.resolvedType;
}
if (isDiamond) {
TypeBinding[] inferredTypes =
inferElidedTypes(
((ParameterizedTypeBinding) this.resolvedType).genericType(),
null,
argumentTypes,
scope);
if (inferredTypes == null) {
scope.problemReporter().cannotInferElidedTypes(this);
return this.resolvedType = null;
}
this.resolvedType =
this.type.resolvedType =
scope
.environment()
.createParameterizedType(
((ParameterizedTypeBinding) this.resolvedType).genericType(),
inferredTypes,
((ParameterizedTypeBinding) this.resolvedType).enclosingType());
}
ReferenceBinding allocationType = (ReferenceBinding) this.resolvedType;
if (!(this.binding = scope.getConstructor(allocationType, argumentTypes, this))
.isValidBinding()) {
if (this.binding.declaringClass == null) {
this.binding.declaringClass = allocationType;
}
if (this.type != null && !this.type.resolvedType.isValidBinding()) {
return null;
}
scope.problemReporter().invalidConstructor(this, this.binding);
return this.resolvedType;
}
if ((this.binding.tagBits & TagBits.HasMissingType) != 0) {
scope.problemReporter().missingTypeInConstructor(this, this.binding);
}
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);
}
if (!isDiamond && this.resolvedType.isParameterizedTypeWithActualArguments()) {
checkTypeArgumentRedundancy(
(ParameterizedTypeBinding) this.resolvedType, null, argumentTypes, scope);
}
final CompilerOptions compilerOptions = scope.compilerOptions();
if (compilerOptions.isAnnotationBasedNullAnalysisEnabled
&& (this.binding.tagBits & TagBits.IsNullnessKnown) == 0) {
new ImplicitNullAnnotationVerifier(
scope.environment(), compilerOptions.inheritNullAnnotations)
.checkImplicitNullAnnotations(this.binding, null /*srcMethod*/, false, scope);
}
return allocationType;
}
private boolean containsLong(final TypeReference type, ClassScope scope) {
return type != null && JsniReferenceResolver.this.containsLong(type.resolveType(scope));
}
public TypeBinding resolveType(BlockScope scope) {
// Answer the signature return type
// Base type promotion
this.constant = Constant.NotAConstant;
boolean receiverCast = false, argsContainCast = false;
if (this.receiver instanceof CastExpression) {
this.receiver.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on
receiverCast = true;
}
this.actualReceiverType = this.receiver.resolveType(scope);
boolean receiverIsType =
this.receiver instanceof NameReference
&& (((NameReference) this.receiver).bits & Binding.TYPE) != 0;
if (receiverCast && this.actualReceiverType != null) {
// due to change of declaring class with receiver type, only identity cast should be notified
if (((CastExpression) this.receiver).expression.resolvedType == this.actualReceiverType) {
scope.problemReporter().unnecessaryCast((CastExpression) this.receiver);
}
}
// resolve type arguments (for generic constructor call)
if (this.typeArguments != null) {
int length = this.typeArguments.length;
boolean argHasError =
scope.compilerOptions().sourceLevel
< ClassFileConstants.JDK1_5; // typeChecks all arguments
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 (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) {
boolean argHasError = false; // typeChecks all arguments
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) {
argHasError = true;
}
}
if (argHasError) {
if (this.actualReceiverType instanceof ReferenceBinding) {
// record a best guess, for clients who need hint about possible method match
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 =
this.receiver.isImplicitThis()
? scope.getImplicitMethod(this.selector, pseudoArgs, this)
: scope.findMethod(
(ReferenceBinding) this.actualReceiverType, this.selector, 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;
}
}
}
}
return null;
}
}
if (this.actualReceiverType == null) {
return null;
}
// base type cannot receive any message
if (this.actualReceiverType.isBaseType()) {
scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes);
return null;
}
this.binding =
this.receiver.isImplicitThis()
? scope.getImplicitMethod(this.selector, argumentTypes, this)
: scope.getMethod(this.actualReceiverType, this.selector, argumentTypes, this);
if (!this.binding.isValidBinding()) {
if (this.binding.declaringClass == null) {
if (this.actualReceiverType instanceof ReferenceBinding) {
this.binding.declaringClass = (ReferenceBinding) this.actualReceiverType;
} else {
scope.problemReporter().errorNoMethodFor(this, this.actualReceiverType, argumentTypes);
return null;
}
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=245007 avoid secondary errors in case of
// missing super type for anonymous classes ...
ReferenceBinding declaringClass = this.binding.declaringClass;
boolean avoidSecondary =
declaringClass != null
&& declaringClass.isAnonymousType()
&& declaringClass.superclass() instanceof MissingTypeBinding;
if (!avoidSecondary) scope.problemReporter().invalidMethod(this, this.binding);
MethodBinding closestMatch = ((ProblemMethodBinding) this.binding).closestMatch;
switch (this.binding.problemId()) {
case ProblemReasons.Ambiguous:
break; // no resilience on ambiguous
case ProblemReasons.NotVisible:
case ProblemReasons.NonStaticReferenceInConstructorInvocation:
case ProblemReasons.NonStaticReferenceInStaticContext:
case ProblemReasons.ReceiverTypeNotVisible:
case ProblemReasons.ParameterBoundMismatch:
// only steal returnType in cases listed above
if (closestMatch != null) this.resolvedType = closestMatch.returnType;
break;
}
// record the closest match, for clients who may still need hint about possible method match
if (closestMatch != 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;
}
}
return (this.resolvedType != null
&& (this.resolvedType.tagBits & TagBits.HasMissingType) == 0)
? this.resolvedType
: null;
}
final CompilerOptions compilerOptions = scope.compilerOptions();
if (compilerOptions.complianceLevel <= ClassFileConstants.JDK1_6
&& this.binding.isPolymorphic()) {
scope.problemReporter().polymorphicMethodNotBelow17(this);
return null;
}
if (((this.bits & ASTNode.InsideExpressionStatement) != 0) && this.binding.isPolymorphic()) {
// we only set the return type to be void if this method invocation is used inside an
// expression statement
this.binding =
scope
.environment()
.updatePolymorphicMethodReturnType(
(PolymorphicMethodBinding) this.binding, TypeBinding.VOID);
}
if ((this.binding.tagBits & TagBits.HasMissingType) != 0) {
scope.problemReporter().missingTypeInMethod(this, this.binding);
}
if (!this.binding.isStatic()) {
// the "receiver" must not be a type
if (receiverIsType) {
scope.problemReporter().mustUseAStaticMethod(this, this.binding);
if (this.actualReceiverType.isRawType()
&& (this.receiver.bits & ASTNode.IgnoreRawTypeCheck) == 0
&& compilerOptions.getSeverity(CompilerOptions.RawTypeReference)
!= ProblemSeverities.Ignore) {
scope.problemReporter().rawTypeReference(this.receiver, this.actualReceiverType);
}
} else {
// handle indirect inheritance thru variable secondary bound
// receiver may receive generic cast, as part of implicit conversion
TypeBinding oldReceiverType = this.actualReceiverType;
this.actualReceiverType =
this.actualReceiverType.getErasureCompatibleType(this.binding.declaringClass);
this.receiver.computeConversion(scope, this.actualReceiverType, this.actualReceiverType);
if (this.actualReceiverType != oldReceiverType
&& this.receiver.postConversionType(scope)
!= this
.actualReceiverType) { // record need for explicit cast at codegen since
// receiver could not handle it
this.bits |= NeedReceiverGenericCast;
}
}
} else {
// static message invoked through receiver? legal but unoptimal (optional warning).
if (!(this.receiver.isImplicitThis() || this.receiver.isSuper() || receiverIsType)) {
scope.problemReporter().nonStaticAccessToStaticMethod(this, this.binding);
}
if (!this.receiver.isImplicitThis()
&& this.binding.declaringClass != this.actualReceiverType) {
scope.problemReporter().indirectAccessToStaticMethod(this, this.binding);
}
}
if (checkInvocationArguments(
scope,
this.receiver,
this.actualReceiverType,
this.binding,
this.arguments,
argumentTypes,
argsContainCast,
this)) {
this.bits |= ASTNode.Unchecked;
}
// -------message send that are known to fail at compile time-----------
if (this.binding.isAbstract()) {
if (this.receiver.isSuper()) {
scope.problemReporter().cannotDireclyInvokeAbstractMethod(this, this.binding);
}
// abstract private methods cannot occur nor abstract static............
}
if (isMethodUseDeprecated(this.binding, scope, true))
scope.problemReporter().deprecatedMethod(this.binding, this);
// from 1.5 source level on, array#clone() returns the array type (but binding still shows
// Object)
if (this.binding == scope.environment().arrayClone
&& compilerOptions.sourceLevel >= ClassFileConstants.JDK1_5) {
this.resolvedType = this.actualReceiverType;
} else {
TypeBinding returnType;
if ((this.bits & ASTNode.Unchecked) != 0 && this.genericTypeArguments == null) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=277643, align with javac on JLS 15.12.2.6
returnType = this.binding.returnType;
if (returnType != null) {
returnType = scope.environment().convertToRawType(returnType.erasure(), true);
}
} else {
returnType = this.binding.returnType;
if (returnType != null) {
returnType = returnType.capture(scope, this.sourceEnd);
}
}
this.resolvedType = returnType;
}
if (this.receiver.isSuper()
&& compilerOptions.getSeverity(CompilerOptions.OverridingMethodWithoutSuperInvocation)
!= ProblemSeverities.Ignore) {
final ReferenceContext referenceContext = scope.methodScope().referenceContext;
if (referenceContext instanceof AbstractMethodDeclaration) {
final AbstractMethodDeclaration abstractMethodDeclaration =
(AbstractMethodDeclaration) referenceContext;
MethodBinding enclosingMethodBinding = abstractMethodDeclaration.binding;
if (enclosingMethodBinding.isOverriding()
&& CharOperation.equals(this.binding.selector, enclosingMethodBinding.selector)
&& this.binding.areParametersEqual(enclosingMethodBinding)) {
abstractMethodDeclaration.bits |= ASTNode.OverridingMethodWithSupercall;
}
}
}
if (this.typeArguments != null
&& this.binding.original().typeVariables == Binding.NO_TYPE_VARIABLES) {
scope
.problemReporter()
.unnecessaryTypeArgumentsForMethodInvocation(
this.binding, this.genericTypeArguments, this.typeArguments);
}
return (this.resolvedType.tagBits & TagBits.HasMissingType) == 0 ? this.resolvedType : null;
}