| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Fraunhofer FIRST - extended API and implementation |
| * Technical University Berlin - extended API and implementation |
| * Stephan Herrmann - Contributions for |
| * bug 319201 - [null] no warning when unboxing SingleNameReference causes NPE |
| * bug 349326 - [1.7] new warning for missing try-with-resources |
| * bug 186342 - [compiler][null] Using annotations for null checking |
| * bug 368546 - [compiler][resource] Avoid remaining false positives found when compiling the Eclipse SDK |
| * bug 370639 - [compiler][resource] restore the default for resource leak warnings |
| * bug 345305 - [compiler][null] Compiler misidentifies a case of "variable can only be null" |
| * bug 388996 - [compiler][resource] Incorrect 'potential resource leak' |
| * bug 395977 - [compiler][resource] Resource leak warning behavior possibly incorrect for anonymous inner class |
| * bug 403147 - [compiler][null] FUP of bug 400761: consolidate interaction between unboxing, NPE, and deferred checking |
| * Bug 415850 - [1.8] Ensure RunJDTCoreTests can cope with null annotations enabled |
| * Bug 392238 - [1.8][compiler][null] Detect semantically invalid null type annotations |
| * Bug 417295 - [1.8[[null] Massage type annotated null analysis to gel well with deep encoded type bindings. |
| * Bug 416267 - NPE in QualifiedAllocationExpression.resolveType |
| * Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec) |
| * Bug 424415 - [1.8][compiler] Eventual resolution of ReferenceExpression is not seen to be happening. |
| * Bug 427438 - [1.8][compiler] NPE at org.eclipse.jdt.internal.compiler.ast.ConditionalExpression.generateCode(ConditionalExpression.java:280) |
| * Jesper S Moller <jesper@selskabet.org> - Contributions for |
| * bug 378674 - "The method can be declared as static" is wrong |
| * Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for |
| * Bug 383624 - [1.8][compiler] Revive code generation support for type annotations (from Olivier's work) |
| * Bug 409245 - [1.8][compiler] Type annotations dropped when call is routed through a synthetic bridge method |
| * Till Brychcy - Contributions for |
| * bug 413460 - NonNullByDefault is not inherited to Constructors when accessed via Class File |
| ******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import static org.eclipse.jdt.internal.compiler.ast.ExpressionContext.INVOCATION_CONTEXT; |
| |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.codegen.CodeStream; |
| import org.eclipse.jdt.internal.compiler.codegen.Opcodes; |
| import org.eclipse.jdt.internal.compiler.flow.FlowContext; |
| import org.eclipse.jdt.internal.compiler.flow.FlowInfo; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions.WeavingScheme; |
| import org.eclipse.jdt.internal.compiler.impl.Constant; |
| import org.eclipse.jdt.internal.compiler.lookup.Binding; |
| import org.eclipse.jdt.internal.compiler.lookup.BlockScope; |
| import org.eclipse.jdt.internal.compiler.lookup.ExtraCompilerModifiers; |
| import org.eclipse.jdt.internal.compiler.lookup.ImplicitNullAnnotationVerifier; |
| import org.eclipse.jdt.internal.compiler.lookup.LocalTypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment; |
| import org.eclipse.jdt.internal.compiler.lookup.MethodBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ParameterizedGenericMethodBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ParameterizedTypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.PolyTypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ProblemMethodBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ProblemReasons; |
| import org.eclipse.jdt.internal.compiler.lookup.ProblemReferenceBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.RawTypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.TagBits; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeConstants; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeIds; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.ast.ConstructorDecapsulationException; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.ast.OTQualifiedAllocationExpression; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.control.Dependencies; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.control.ITranslationStates; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.lookup.AnchorMapping; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.util.RoleTypeCreator; |
| |
| |
| //{ObjectTeams: renamed class (replaced by OT-variant |
| /** |
| * This class wraps a qualified allocation in order to defer the decision |
| * whether or not to translate it into a role creator call. |
| * This decision can only be made after the receiver (lhs of dot) is resolved. |
| * Double inheritance as to keep the facade but outsource our modifications |
| * |
| * @author stephan |
| */ |
| public class QualifiedAllocationExpression |
| extends OTQualifiedAllocationExpression |
| { |
| /** |
| * Wrap a given allocation expression. |
| */ |
| public QualifiedAllocationExpression(TypeDeclaration anonymousType) { |
| super(anonymousType); |
| } |
| |
| public QualifiedAllocationExpression() { |
| super(); |
| } |
| |
| // access this by the concrete class: |
| protected QualifiedAllocationExpression _this() { |
| return this; |
| } |
| |
| /** |
| * OTDT changes: |
| * |
| * What: renamed from QualifiedAllocationExpression |
| * Why: let clients still use QualifiedAllocationExpression, which is now our sub-class of this one. |
| * |
| * What: avoid double-resolving enclosingInstanceType |
| * |
| * What: propagate errors to the anonymous type if present |
| * |
| * What: prepare context for getConstructor(): |
| * + receiver type in STATE_TYPES_ADJUSTED |
| * + anchor mapping |
| * |
| * What: wrap resolvedType if it's a role. |
| * |
| * ---- |
| * |
| * Variation on allocation, where can optionally be specified any of: |
| * - leading enclosing instance |
| * - trailing anonymous type |
| * - generic type arguments for generic constructor invocation |
| */ |
| public static abstract class AbstractQualifiedAllocationExpression extends AllocationExpression { |
| // km} |
| |
| //qualification may be on both side |
| public Expression enclosingInstance; |
| //{ObjectTeams: |
| /** If not generating a createCall, this marks the request to cast the enclosingInstance before calling the ctor. */ |
| protected ReferenceBinding enclosingInstanceCast = null; |
| |
| protected boolean hasEnclosingInstanceProblem; |
| // SH} |
| public TypeDeclaration anonymousType; |
| |
| //{ObjectTeams: renamed: |
| public AbstractQualifiedAllocationExpression() { |
| // km} |
| // for subtypes |
| } |
| |
| |
| //{ObjectTeams: renamed |
| public AbstractQualifiedAllocationExpression(TypeDeclaration anonymousType) { |
| //km} |
| this.anonymousType = anonymousType; |
| //{ObjectTeams: use the concrete class for this: |
| anonymousType.allocation = _this(); |
| // SH} |
| } |
| |
| //{ObjectTeams: access this by the concrete class: |
| abstract protected QualifiedAllocationExpression _this(); |
| // SH} |
| |
| public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) { |
| // analyse the enclosing instance |
| if (this.enclosingInstance != null) { |
| flowInfo = this.enclosingInstance.analyseCode(currentScope, flowContext, flowInfo); |
| } else { |
| if (this.binding != null && this.binding.declaringClass != null) { |
| ReferenceBinding superclass = this.binding.declaringClass.superclass(); |
| if (superclass != null && superclass.isMemberType() && !superclass.isStatic()) { |
| // creating an anonymous type of a non-static member type without an enclosing instance of parent type |
| currentScope.tagAsAccessingEnclosingInstanceStateOf(superclass.enclosingType(), false /* type variable access */); |
| // Reviewed for https://bugs.eclipse.org/bugs/show_bug.cgi?id=378674 : |
| // The corresponding problem (when called from static) is not produced until during code generation |
| } |
| } |
| |
| } |
| |
| // check captured variables are initialized in current context (26134) |
| checkCapturedLocalInitializationIfNecessary( |
| (ReferenceBinding)(this.anonymousType == null |
| ? this.binding.declaringClass.erasure() |
| : this.binding.declaringClass.superclass().erasure()), |
| currentScope, |
| flowInfo); |
| |
| // process arguments |
| if (this.arguments != null) { |
| boolean analyseResources = currentScope.compilerOptions().analyseResourceLeaks; |
| boolean hasResourceWrapperType = analyseResources |
| && this.resolvedType instanceof ReferenceBinding |
| && ((ReferenceBinding)this.resolvedType).hasTypeBit(TypeIds.BitWrapperCloseable); |
| for (int i = 0, count = this.arguments.length; i < count; i++) { |
| flowInfo = this.arguments[i].analyseCode(currentScope, flowContext, flowInfo); |
| if (analyseResources && !hasResourceWrapperType) { // allocation of wrapped closeables is analyzed specially |
| // if argument is an AutoCloseable insert info that it *may* be closed (by the target method, i.e.) |
| flowInfo = FakedTrackingVariable.markPassedToOutside(currentScope, this.arguments[i], flowInfo, flowContext, false); |
| } |
| this.arguments[i].checkNPEbyUnboxing(currentScope, flowContext, flowInfo); |
| } |
| analyseArguments(currentScope, flowContext, flowInfo, this.binding, this.arguments); |
| } |
| |
| // analyse the anonymous nested type |
| if (this.anonymousType != null) { |
| flowInfo = this.anonymousType.analyseCode(currentScope, flowContext, flowInfo); |
| } |
| |
| // record some dependency information for exception types |
| ReferenceBinding[] thrownExceptions; |
| if (((thrownExceptions = this.binding.thrownExceptions).length) != 0) { |
| 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 |
| thrownExceptions = currentScope.environment().convertToRawTypes(this.binding.thrownExceptions, true, true); |
| } |
| // check exception handling |
| flowContext.checkExceptionHandlers( |
| thrownExceptions, |
| this, |
| flowInfo.unconditionalCopy(), |
| currentScope); |
| } |
| |
| // after having analysed exceptions above start tracking newly allocated resource: |
| if (currentScope.compilerOptions().analyseResourceLeaks && FakedTrackingVariable.isAnyCloseable(this.resolvedType)) { |
| FakedTrackingVariable.analyseCloseableAllocation(currentScope, flowInfo, this); |
| } |
| |
| manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo); |
| manageSyntheticAccessIfNecessary(currentScope, flowInfo); |
| |
| // account for possible exceptions thrown by constructor execution: |
| flowContext.recordAbruptExit(); |
| |
| return flowInfo; |
| } |
| |
| public Expression enclosingInstance() { |
| |
| return this.enclosingInstance; |
| } |
| |
| public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) { |
| cleanUpInferenceContexts(); |
| if (!valueRequired) |
| currentScope.problemReporter().unusedObjectAllocation(this); |
| int pc = codeStream.position; |
| MethodBinding codegenBinding = this.binding.original(); |
| ReferenceBinding allocatedType = codegenBinding.declaringClass; |
| codeStream.new_(this.type, allocatedType); |
| boolean isUnboxing = (this.implicitConversion & TypeIds.UNBOXING) != 0; |
| if (valueRequired || isUnboxing) { |
| codeStream.dup(); |
| } |
| // better highlight for allocation: display the type individually |
| if (this.type != null) { // null for enum constant body |
| codeStream.recordPositionsFrom(pc, this.type.sourceStart); |
| } else { |
| // push enum constant name and ordinal |
| codeStream.ldc(String.valueOf(this.enumConstant.name)); |
| codeStream.generateInlinedValue(this.enumConstant.binding.id); |
| } |
| // handling innerclass instance allocation - enclosing instance arguments |
| if (allocatedType.isNestedType()) { |
| codeStream.generateSyntheticEnclosingInstanceValues( |
| currentScope, |
| allocatedType, |
| enclosingInstance(), |
| this); |
| //{ObjectTeams: additional cast required? |
| if (this.enclosingInstanceCast != null) |
| codeStream.checkcast(this.enclosingInstanceCast); |
| // SH} |
| } |
| // generate the arguments for constructor |
| generateArguments(this.binding, this.arguments, currentScope, codeStream); |
| // handling innerclass instance allocation - outer local arguments |
| if (allocatedType.isNestedType()) { |
| codeStream.generateSyntheticOuterArgumentValues( |
| currentScope, |
| allocatedType, |
| this); |
| } |
| |
| // invoke constructor |
| if (this.syntheticAccessor == null) { |
| codeStream.invoke(Opcodes.OPC_invokespecial, codegenBinding, null /* default declaringClass */, this.typeArguments); |
| } else { |
| // synthetic accessor got some extra arguments appended to its signature, which need values |
| for (int i = 0, |
| max = this.syntheticAccessor.parameters.length - codegenBinding.parameters.length; |
| i < max; |
| i++) { |
| codeStream.aconst_null(); |
| } |
| codeStream.invoke(Opcodes.OPC_invokespecial, this.syntheticAccessor, null /* default declaringClass */, this.typeArguments); |
| } |
| if (valueRequired) { |
| codeStream.generateImplicitConversion(this.implicitConversion); |
| } else if (isUnboxing) { |
| // conversion only generated if unboxing |
| codeStream.generateImplicitConversion(this.implicitConversion); |
| switch (postConversionType(currentScope).id) { |
| case T_long : |
| case T_double : |
| codeStream.pop2(); |
| break; |
| default : |
| codeStream.pop(); |
| } |
| } |
| codeStream.recordPositionsFrom(pc, this.sourceStart); |
| |
| if (this.anonymousType != null) { |
| this.anonymousType.generateCode(currentScope, codeStream); |
| } |
| } |
| |
| public boolean isSuperAccess() { |
| |
| // necessary to lookup super constructor of anonymous type |
| return this.anonymousType != null; |
| } |
| |
| /* Inner emulation consists in either recording a dependency |
| * link only, or performing one level of propagation. |
| * |
| * Dependency mechanism is used whenever dealing with source target |
| * types, since by the time we reach them, we might not yet know their |
| * exact need. |
| */ |
| public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo) { |
| if ((flowInfo.tagBits & FlowInfo.UNREACHABLE_OR_DEAD) == 0) { |
| ReferenceBinding allocatedTypeErasure = (ReferenceBinding) this.binding.declaringClass.erasure(); |
| |
| // perform some extra emulation work in case there is some and we are inside a local type only |
| if (allocatedTypeErasure.isNestedType() |
| && (currentScope.enclosingSourceType().isLocalType() || currentScope.isLambdaSubscope())) { |
| |
| if (allocatedTypeErasure.isLocalType()) { |
| ((LocalTypeBinding) allocatedTypeErasure).addInnerEmulationDependent(currentScope, this.enclosingInstance != null); |
| } else { |
| // locally propagate, since we already now the desired shape for sure |
| currentScope.propagateInnerEmulation(allocatedTypeErasure, this.enclosingInstance != null); |
| } |
| } |
| } |
| } |
| |
| public StringBuffer printExpression(int indent, StringBuffer output) { |
| if (this.enclosingInstance != null) |
| this.enclosingInstance.printExpression(0, output).append('.'); |
| super.printExpression(0, output); |
| if (this.anonymousType != null) { |
| this.anonymousType.print(indent, output); |
| } |
| return output; |
| } |
| |
| 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); |
| } |
| TypeBinding result = resolveTypeForQualifiedAllocationExpression(scope); |
| if (result != null && !result.isPolyType() && this.binding != null) { |
| final CompilerOptions compilerOptions = scope.compilerOptions(); |
| if (compilerOptions.isAnnotationBasedNullAnalysisEnabled) { |
| ImplicitNullAnnotationVerifier.ensureNullnessIsKnown(this.binding, scope); |
| if (compilerOptions.sourceLevel >= ClassFileConstants.JDK1_8) { |
| if (this.binding instanceof ParameterizedGenericMethodBinding && this.typeArguments != null) { |
| TypeVariableBinding[] typeVariables = this.binding.original().typeVariables(); |
| for (int i = 0; i < this.typeArguments.length; i++) |
| this.typeArguments[i].checkNullConstraints(scope, (ParameterizedGenericMethodBinding) this.binding, typeVariables, i); |
| } |
| } |
| } |
| if (compilerOptions.sourceLevel >= ClassFileConstants.JDK1_8 && |
| this.binding.getTypeAnnotations() != Binding.NO_ANNOTATIONS) { |
| this.resolvedType = scope.environment().createAnnotatedType(this.resolvedType, this.binding.getTypeAnnotations()); |
| } |
| } |
| return result; |
| } |
| |
| private TypeBinding resolveTypeForQualifiedAllocationExpression(BlockScope 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 |
| final boolean isDiamond = this.type != null && (this.type.bits & ASTNode.IsDiamond) != 0; |
| TypeBinding enclosingInstanceType = null; |
| TypeBinding receiverType = null; |
| long sourceLevel = scope.compilerOptions().sourceLevel; |
| if (this.constant != Constant.NotAConstant) { |
| this.constant = Constant.NotAConstant; |
| ReferenceBinding enclosingInstanceReference = null; |
| boolean hasError = false; |
| boolean enclosingInstanceContainsCast = false; |
| |
| if (this.enclosingInstance != null) { |
| if (this.enclosingInstance instanceof CastExpression) { |
| this.enclosingInstance.bits |= ASTNode.DisableUnnecessaryCastCheck; // will check later on |
| enclosingInstanceContainsCast = true; |
| } |
| //{ObjectTeams: no double resolving: |
| /* orig: |
| if ((enclosingInstanceType = this.enclosingInstance.resolveType(scope)) == null){ |
| :giro */ |
| enclosingInstanceType = this.enclosingInstance.resolvedType; |
| if (enclosingInstanceType == null && !this.hasEnclosingInstanceProblem) |
| enclosingInstanceType = this.enclosingInstance.resolveType(scope); |
| if (enclosingInstanceType == null) { |
| // SH} |
| 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 { |
| this.resolvedType = receiverType = ((SingleTypeReference) this.type).resolveTypeEnclosing(scope, (ReferenceBinding) enclosingInstanceType); |
| checkIllegalNullAnnotation(scope, receiverType); |
| 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*/); |
| checkIllegalNullAnnotation(scope, receiverType); |
| 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) |
| if (this.typeArguments != null) { |
| int length = this.typeArguments.length; |
| this.argumentsHaveErrors = 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) { |
| this.argumentsHaveErrors = true; |
| } |
| if (this.argumentsHaveErrors && typeReference instanceof Wildcard) { |
| scope.problemReporter().illegalUsageOfWildcard(typeReference); |
| } |
| } |
| if (isDiamond) { |
| scope.problemReporter().diamondNotWithExplicitTypeArguments(this.typeArguments); |
| return null; |
| } |
| if (this.argumentsHaveErrors) { |
| 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 |
| this.argumentTypes = Binding.NO_PARAMETERS; |
| if (this.arguments != null) { |
| int length = this.arguments.length; |
| this.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 |
| this.argsContainCast = true; |
| } |
| argument.setExpressionContext(INVOCATION_CONTEXT); |
| if ((this.argumentTypes[i] = argument.resolveType(scope)) == null){ |
| this.argumentsHaveErrors = 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 |
| } |
| //{ObjectTeams: prevent a faulty anonymous type from being processed! |
| if (this.anonymousType != null) |
| this.anonymousType.tagAsHavingErrors(); |
| // SH} |
| 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] = this.argumentTypes[i] == null ? TypeBinding.NULL : this.argumentTypes[i]; // replace args with errors with null type |
| } |
| this.binding = scope.findMethod(referenceReceiver, TypeConstants.INIT, pseudoArgs, this, false); |
| 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; |
| } |
| } 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 = findConstructorBinding(scope, this, anonymousSuperclass, this.argumentTypes); |
| //{ObjectTeams: FIXME: use anchorMapping?? SH} |
| |
| 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, this.argumentTypes, this.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 |
| LookupEnvironment environment=scope.environment(); |
| if (environment.globalOptions.isAnnotationBasedNullAnalysisEnabled) { |
| ImplicitNullAnnotationVerifier.ensureNullnessIsKnown(inheritedBinding, scope); |
| } |
| |
| this.binding = this.anonymousType.createDefaultConstructorWithBinding(inheritedBinding, (this.bits & ASTNode.Unchecked) != 0 && this.genericTypeArguments == null); |
| return this.resolvedType; |
| } |
| } else { |
| if (this.enclosingInstance != null) { |
| enclosingInstanceType = this.enclosingInstance.resolvedType; |
| this.resolvedType = receiverType = this.type.resolvedType; |
| } |
| } |
| if (isDiamond) { |
| this.binding = inferConstructorOfElidedParameterizedType(scope); |
| if (this.binding == null || !this.binding.isValidBinding()) { |
| scope.problemReporter().cannotInferElidedTypes(this); |
| return this.resolvedType = null; |
| } |
| if (this.typeExpected == null && sourceLevel >= ClassFileConstants.JDK1_8 && this.expressionContext.definesTargetType()) { |
| return new PolyTypeBinding(this); |
| } |
| this.resolvedType = this.type.resolvedType = receiverType = this.binding.declaringClass; |
| resolvePolyExpressionArguments(this, this.binding, this.argumentTypes, scope); |
| } else { |
| //{ObjectTeams: setup context for constructor lookup: |
| if (receiverType instanceof ReferenceBinding) // funny thing: receiver could be array.. |
| Dependencies.ensureBindingState( |
| (ReferenceBinding)receiverType, |
| ITranslationStates.STATE_TYPES_ADJUSTED); |
| AnchorMapping anchorMapping = AnchorMapping.setupNewMapping( |
| null, this.arguments, scope); |
| try { |
| // orig: |
| this.binding = findConstructorBinding(scope, this, (ReferenceBinding) receiverType, this.argumentTypes); |
| // :giro |
| } finally { |
| AnchorMapping.removeCurrentMapping(anchorMapping); |
| } |
| // SH} |
| } |
| |
| if (this.binding.isValidBinding()) { |
| if (isMethodUseDeprecated(this.binding, scope, true)) { |
| scope.problemReporter().deprecatedMethod(this.binding, this); |
| } |
| if (checkInvocationArguments(scope, null, receiverType, this.binding, this.arguments, this.argumentTypes, this.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 = (ReferenceBinding) receiverType; |
| } |
| if (this.type != null && !this.type.resolvedType.isValidBinding()) { |
| // problem already got signaled on type reference, do not report secondary problem |
| return null; |
| } |
| //{ObjectTeams: decapsulating base constructor call? |
| if (this.type.getBaseclassDecapsulation().isAllowed()) { |
| this.binding = ((ProblemMethodBinding)this.binding).closestMatch; |
| int accessId = scope.enclosingSourceType().roleModel.addInaccessibleBaseMethod(this.binding); |
| scope.problemReporter().decapsulation(this, scope); |
| if (scope.compilerOptions().weavingScheme == WeavingScheme.OTDRE) { |
| this.resolvedType = receiverType; |
| throw new ConstructorDecapsulationException(accessId); |
| } |
| } else { |
| // orig: |
| scope.problemReporter().invalidConstructor(this, this.binding); |
| return this.resolvedType = receiverType; |
| // :giro |
| } |
| // SH} |
| } |
| if ((this.binding.tagBits & TagBits.HasMissingType) != 0) { |
| scope.problemReporter().missingTypeInConstructor(this, this.binding); |
| } |
| if (!isDiamond && receiverType.isParameterizedTypeWithActualArguments()) { |
| checkTypeArgumentRedundancy((ParameterizedTypeBinding)receiverType, scope); |
| } |
| // The enclosing instance must be compatible with the innermost enclosing type |
| ReferenceBinding expectedType = this.binding.declaringClass.enclosingType(); |
| if (TypeBinding.notEquals(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); |
| //{ObjectTeams: wrap resolved type if it's a role. |
| receiverType = RoleTypeCreator.maybeWrapQualifiedRoleType( |
| scope, |
| this.enclosingInstance, |
| receiverType, |
| this); |
| // SH} |
| return this.resolvedType = receiverType; |
| } |
| scope.problemReporter().typeMismatchError(enclosingInstanceType, expectedType, this.enclosingInstance, null); |
| return this.resolvedType = receiverType; |
| } |
| |
| public void traverse(ASTVisitor visitor, BlockScope scope) { |
| //{ObjectTeams: use the concrete class for this: |
| if (visitor.visit(_this(), scope)) { |
| // SH} |
| if (this.enclosingInstance != null) |
| this.enclosingInstance.traverse(visitor, scope); |
| if (this.typeArguments != null) { |
| for (int i = 0, typeArgumentsLength = this.typeArguments.length; i < typeArgumentsLength; i++) { |
| this.typeArguments[i].traverse(visitor, scope); |
| } |
| } |
| if (this.type != null) // case of enum constant |
| this.type.traverse(visitor, scope); |
| if (this.arguments != null) { |
| int argumentsLength = this.arguments.length; |
| for (int i = 0; i < argumentsLength; i++) |
| this.arguments[i].traverse(visitor, scope); |
| } |
| if (this.anonymousType != null) |
| this.anonymousType.traverse(visitor, scope); |
| } |
| //{ObjectTeams: use the concrete class for this: |
| visitor.endVisit(_this(), scope); |
| // SH} |
| } |
| } |
| //{ObjectTeams: end enclosing wrapper class |
| } |
| // SH} |