Java TypeBinding.notEquals方法代码示例

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo) {

	if ((flowInfo.tagBits & FlowInfo.UNREACHABLE_OR_DEAD) == 0) {
		// if method from parameterized type got found, use the original method at codegen time
		MethodBinding codegenBinding = this.binding.original();
		if (codegenBinding != this.binding) {
		    // extra cast needed if method return type was type variable
		    if (codegenBinding.returnType.isTypeVariable()) {
		        TypeVariableBinding variableReturnType = (TypeVariableBinding) codegenBinding.returnType;
		        if (TypeBinding.notEquals(variableReturnType.firstBound, this.binding.returnType)) { // no need for extra cast if same as first bound anyway
				    this.valueCast = this.binding.returnType;
		        }
		    }
		}
	}
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
/** Are both types identical wrt the unannotated type and any null type annotations? Only unstructured types and captures are considered. */
protected static boolean areSameTypes(TypeBinding requiredType, TypeBinding providedType, TypeBinding providedSubstitute) {
	if (requiredType == providedType)  //$IDENTITY-COMPARISON$ // short cut for really-really-same types
		return true;
	if (requiredType.isParameterizedType() || requiredType.isArrayType())
		return false; // not analysing details here
	if (TypeBinding.notEquals(requiredType, providedType)) {
		if (requiredType instanceof CaptureBinding) {
			// when providing exactly the lower bound of the required type we're definitely fine:
			TypeBinding lowerBound = ((CaptureBinding)requiredType).lowerBound;
			if (lowerBound != null && areSameTypes(lowerBound, providedType, providedSubstitute))
				return true;
		} else if (requiredType.kind() == Binding.TYPE_PARAMETER && requiredType == providedSubstitute) { //$IDENTITY-COMPARISON$
			return true;
		} else if (providedType instanceof CaptureBinding) {
			// when requiring exactly the upper bound of the provided type we're fine, too:
			TypeBinding upperBound = ((CaptureBinding)providedType).upperBound();
			if (upperBound != null && areSameTypes(requiredType, upperBound, providedSubstitute))
				return true;
		}
		return false;
	}
	return (requiredType.tagBits & TagBits.AnnotationNullMASK) == (providedType.tagBits & TagBits.AnnotationNullMASK);
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
private static int checkInvocationArgument(BlockScope scope, Expression argument, TypeBinding parameterType, TypeBinding argumentType, TypeBinding originalParameterType) {
	argument.computeConversion(scope, parameterType, argumentType);

	if (argumentType != TypeBinding.NULL && parameterType.kind() == Binding.WILDCARD_TYPE) { // intersection types are tolerated
		WildcardBinding wildcard = (WildcardBinding) parameterType;
		if (wildcard.boundKind != Wildcard.SUPER) {
	    	return INVOCATION_ARGUMENT_WILDCARD;
		}
	}
	TypeBinding checkedParameterType = parameterType; // originalParameterType == null ? parameterType : originalParameterType;
	if (TypeBinding.notEquals(argumentType, checkedParameterType) && argumentType.needsUncheckedConversion(checkedParameterType)) {
		scope.problemReporter().unsafeTypeConversion(argument, argumentType, checkedParameterType);
		return INVOCATION_ARGUMENT_UNCHECKED;
	}
	return INVOCATION_ARGUMENT_OK;
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
/**
 * Determines whether apparent unnecessary cast wasn't actually used to
 * perform return type inference of generic method invocation or boxing.
 */
private boolean isIndirectlyUsed() {
	if (this.expression instanceof MessageSend) {
		MethodBinding method = ((MessageSend)this.expression).binding;
		if (method instanceof ParameterizedGenericMethodBinding
					&& ((ParameterizedGenericMethodBinding)method).inferredReturnType) {
			if (this.expectedType == null)
				return true;
			if (TypeBinding.notEquals(this.resolvedType, this.expectedType))
				return true;
		}
	}
	if (this.expectedType != null && this.resolvedType.isBaseType() && !this.resolvedType.isCompatibleWith(this.expectedType)) {
		// boxing: Short s = (short) _byte
		return true;
	}
	return false;
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
/**
 * Cast expression code generation
 *
 * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
 * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
 * @param valueRequired boolean
 */
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
	int pc = codeStream.position;
	boolean annotatedCast = (this.type.bits & ASTNode.HasTypeAnnotations) != 0;
	boolean needRuntimeCheckcast = (this.bits & ASTNode.GenerateCheckcast) != 0;
	if (this.constant != Constant.NotAConstant) {
		if (valueRequired || needRuntimeCheckcast || annotatedCast) { // Added for: 1F1W9IG: IVJCOM:WINNT - Compiler omits casting check
			codeStream.generateConstant(this.constant, this.implicitConversion);
			if (needRuntimeCheckcast || annotatedCast) {
				codeStream.checkcast(this.type, this.resolvedType);
			}
			if (!valueRequired) {
				// the resolveType cannot be double or long
				codeStream.pop();
			}
		}
		codeStream.recordPositionsFrom(pc, this.sourceStart);
		return;
	}
	this.expression.generateCode(currentScope, codeStream, annotatedCast || valueRequired || needRuntimeCheckcast);
	if (annotatedCast || (needRuntimeCheckcast && TypeBinding.notEquals(this.expression.postConversionType(currentScope), this.resolvedType.erasure()))) { // no need to issue a checkcast if already done as genericCast
		codeStream.checkcast(this.type, this.resolvedType);
	}
	if (valueRequired) {
		codeStream.generateImplicitConversion(this.implicitConversion);
	} else if (needRuntimeCheckcast) {
		boolean isUnboxing = (this.implicitConversion & TypeIds.UNBOXING) != 0;
		switch (isUnboxing ? postConversionType(currentScope).id : this.resolvedType.id) {
			case T_long :
			case T_double :
				codeStream.pop2();
				break;
			default :
				codeStream.pop();
				break;
		}
	}
	codeStream.recordPositionsFrom(pc, this.sourceStart);
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
public static AnnotationBinding [] getPackedAnnotationBindings(AnnotationBinding [] annotations) {
	
	int length = annotations == null ? 0 : annotations.length;
	if (length == 0)
		return annotations;
	
	AnnotationBinding[] repackagedBindings = annotations; // only replicate if repackaging.
	for (int i = 0; i < length; i++) {
		AnnotationBinding annotation = repackagedBindings[i];
		if (annotation == null) continue;
		ReferenceBinding annotationType = annotation.getAnnotationType();
		if (!annotationType.isRepeatableAnnotationType())
			continue;
		ReferenceBinding containerType = annotationType.containerAnnotationType();
		if (containerType == null)
			continue; // FUBAR.
		MethodBinding [] values = containerType.getMethods(TypeConstants.VALUE);
		if (values == null || values.length != 1)
			continue; // FUBAR.
		MethodBinding value = values[0];
		if (value.returnType == null || value.returnType.dimensions() != 1 || TypeBinding.notEquals(value.returnType.leafComponentType(), annotationType))
			continue; // FUBAR
		
		// We have a kosher repeatable annotation with a kosher containing type. See if actually repeats.
		List<AnnotationBinding> containees = null;
		for (int j = i + 1; j < length; j++) {
			AnnotationBinding otherAnnotation = repackagedBindings[j];
			if (otherAnnotation == null) continue;
			if (otherAnnotation.getAnnotationType() == annotationType) { //$IDENTITY-COMPARISON$
				if (repackagedBindings == annotations)
					System.arraycopy(repackagedBindings, 0, repackagedBindings = new AnnotationBinding[length], 0, length);
				repackagedBindings[j] = null; // so it is not double packed.
				if (containees == null) {
					containees = new ArrayList<AnnotationBinding>();
					containees.add(annotation);
				}
				containees.add(otherAnnotation);
			}
		}
		if (containees != null) {
			ElementValuePair [] elementValuePairs = new ElementValuePair [] { new ElementValuePair(TypeConstants.VALUE, containees.toArray(), value) };
			repackagedBindings[i] = new AnnotationBinding(containerType, elementValuePairs);
		}
	}
	if (repackagedBindings == annotations)
		return annotations;
	
	int finalTally = 0;
	for (int i = 0; i < length; i++) {
		if (repackagedBindings[i] != null)
			finalTally++;
	}
	annotations = new AnnotationBinding [finalTally];
	for (int i = 0, j = 0; i < length; i++) {
		if (repackagedBindings[i] != null)
			annotations[j++] = repackagedBindings[i];
	}
	return annotations;
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
@Override
    public TypeMirror asMemberOf(DeclaredType containing, Element element) {
//        throw new UnsupportedOperationException("NYI: TypesImpl.asMemberOf(" + containing + ", " + element + ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    	ElementImpl elementImpl = (ElementImpl) element;
    	DeclaredTypeImpl declaredTypeImpl = (DeclaredTypeImpl) containing;
    	ReferenceBinding referenceBinding = (ReferenceBinding) declaredTypeImpl._binding;
    	switch(element.getKind()) {
    		case CONSTRUCTOR :
    		case METHOD :
    			MethodBinding methodBinding = (MethodBinding) elementImpl._binding;
    			if (TypeBinding.notEquals(methodBinding.declaringClass, referenceBinding)) {
    				throw new IllegalArgumentException("element is not valid for the containing declared type"); //$NON-NLS-1$
    			}
    			for (MethodBinding method : referenceBinding.methods()) {
    				if (CharOperation.equals(method.selector, methodBinding.selector)
    						&& method.areParameterErasuresEqual(methodBinding)) {
    					return this._env.getFactory().newTypeMirror(method);
    				}
    			}
    			break;
    		case FIELD :
    		case ENUM_CONSTANT:
    			FieldBinding fieldBinding = (FieldBinding) elementImpl._binding;
    			if (TypeBinding.notEquals(fieldBinding.declaringClass, referenceBinding)) {
    				throw new IllegalArgumentException("element is not valid for the containing declared type"); //$NON-NLS-1$
    			}
    			for (FieldBinding field : referenceBinding.fields()) {
    				if (CharOperation.equals(field.name, fieldBinding.name)) {
    					return this._env.getFactory().newTypeMirror(field);
    				}
    			}
    			break;
    		case ENUM :
    		case ANNOTATION_TYPE :
    		case INTERFACE :
    		case CLASS :
    			ReferenceBinding referenceBinding2 = (ReferenceBinding) elementImpl._binding;
    			if (TypeBinding.notEquals(referenceBinding2.enclosingType(), referenceBinding)) {
    				throw new IllegalArgumentException("element is not valid for the containing declared type"); //$NON-NLS-1$
    			}
    			for (ReferenceBinding referenceBinding3 : referenceBinding.memberTypes()) {
    				if (CharOperation.equals(referenceBinding3.compoundName, referenceBinding3.compoundName)) {
    					return this._env.getFactory().newTypeMirror(referenceBinding3);
    				}
    			}
    			break;
    		default:
    			break;
    	}
		throw new IllegalArgumentException("element is not valid for the containing declared type: element kind " + element.getKind()); //$NON-NLS-1$
    }
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
public final boolean canBeSeenByForCodeSnippet(FieldBinding fieldBinding, TypeBinding receiverType, InvocationSite invocationSite, Scope scope) {
	if (fieldBinding.isPublic()) return true;

	ReferenceBinding invocationType = (ReferenceBinding) receiverType;
	if (TypeBinding.equalsEquals(invocationType, fieldBinding.declaringClass)) return true;

	if (fieldBinding.isProtected()) {
		// answer true if the invocationType is the declaringClass or they are in the same package
		// OR the invocationType is a subclass of the declaringClass
		//    AND the receiverType is the invocationType or its subclass
		//    OR the field is a static field accessed directly through a type
		if (TypeBinding.equalsEquals(invocationType, fieldBinding.declaringClass)) return true;
		if (invocationType.fPackage == fieldBinding.declaringClass.fPackage) return true;
		if (fieldBinding.declaringClass.isSuperclassOf(invocationType)) {
			if (invocationSite.isSuperAccess()) return true;
			// receiverType can be an array binding in one case... see if you can change it
			if (receiverType instanceof ArrayBinding)
				return false;
			if (invocationType.isSuperclassOf((ReferenceBinding) receiverType))
				return true;
			if (fieldBinding.isStatic())
				return true; // see 1FMEPDL - return invocationSite.isTypeAccess();
		}
		return false;
	}

	if (fieldBinding.isPrivate()) {
		// answer true if the receiverType is the declaringClass
		// AND the invocationType and the declaringClass have a common enclosingType
		if (TypeBinding.notEquals(receiverType, fieldBinding.declaringClass)) return false;

		if (TypeBinding.notEquals(invocationType, fieldBinding.declaringClass)) {
			ReferenceBinding outerInvocationType = invocationType;
			ReferenceBinding temp = outerInvocationType.enclosingType();
			while (temp != null) {
				outerInvocationType = temp;
				temp = temp.enclosingType();
			}

			ReferenceBinding outerDeclaringClass = fieldBinding.declaringClass;
			temp = outerDeclaringClass.enclosingType();
			while (temp != null) {
				outerDeclaringClass = temp;
				temp = temp.enclosingType();
			}
			if (TypeBinding.notEquals(outerInvocationType, outerDeclaringClass)) return false;
		}
		return true;
	}

	// isDefault()
	if (invocationType.fPackage != fieldBinding.declaringClass.fPackage) return false;

	// receiverType can be an array binding in one case... see if you can change it
	if (receiverType instanceof ArrayBinding)
		return false;
	ReferenceBinding type = (ReferenceBinding) receiverType;
	PackageBinding declaringPackage = fieldBinding.declaringClass.fPackage;
	TypeBinding originalDeclaringClass = fieldBinding.declaringClass .original();
	do {
		if (type.isCapture()) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=285002
			if (TypeBinding.equalsEquals(originalDeclaringClass, type.erasure().original())) return true;	
		} else {
			if (TypeBinding.equalsEquals(originalDeclaringClass, type.original())) return true;
		}
		if (declaringPackage != type.fPackage) return false;
	} while ((type = type.superclass()) != null);
	return false;
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
public TypeBinding resolveType(BlockScope scope) {
	// compute a new constant if the cast is effective

	this.constant = Constant.NotAConstant;
	this.implicitConversion = TypeIds.T_undefined;

	boolean exprContainCast = false;

	TypeBinding castType = this.resolvedType = this.type.resolveType(scope);
	if (scope.compilerOptions().sourceLevel >= ClassFileConstants.JDK1_8) {
		this.expression.setExpressionContext(CASTING_CONTEXT);
		if (this.expression instanceof FunctionalExpression) {
			this.expression.setExpectedType(this.resolvedType);
			this.bits |= ASTNode.DisableUnnecessaryCastCheck;
		}
	}
	if (this.expression instanceof CastExpression) {
		this.expression.bits |= ASTNode.DisableUnnecessaryCastCheck;
		exprContainCast = true;
	}
	TypeBinding expressionType = this.expression.resolveType(scope);
	if (this.expression instanceof MessageSend) {
		MessageSend messageSend = (MessageSend) this.expression;
		MethodBinding methodBinding = messageSend.binding;
		if (methodBinding != null && methodBinding.isPolymorphic()) {
			messageSend.binding = scope.environment().updatePolymorphicMethodReturnType((PolymorphicMethodBinding) methodBinding, castType);
			if (TypeBinding.notEquals(expressionType, castType)) {
				expressionType = castType;
				this.bits |= ASTNode.DisableUnnecessaryCastCheck;
			}
		}
	}
	if (castType != null) {
		if (expressionType != null) {

			boolean nullAnnotationMismatch = scope.compilerOptions().isAnnotationBasedNullAnalysisEnabled
					&& NullAnnotationMatching.analyse(castType, expressionType, -1).isAnyMismatch();

			boolean isLegal = checkCastTypesCompatibility(scope, castType, expressionType, this.expression);
			if (isLegal) {
				this.expression.computeConversion(scope, castType, expressionType);
				if ((this.bits & ASTNode.UnsafeCast) != 0) { // unsafe cast
					if (scope.compilerOptions().reportUnavoidableGenericTypeProblems
							|| !(expressionType.isRawType() && this.expression.forcedToBeRaw(scope.referenceContext()))) {
						scope.problemReporter().unsafeCast(this, scope);
					}
				} else if (nullAnnotationMismatch) {
					// report null annotation issue at medium priority
					scope.problemReporter().unsafeNullnessCast(this, scope);
				} else {
					if (castType.isRawType() && scope.compilerOptions().getSeverity(CompilerOptions.RawTypeReference) != ProblemSeverities.Ignore){
						scope.problemReporter().rawTypeReference(this.type, castType);
					}
					if ((this.bits & (ASTNode.UnnecessaryCast|ASTNode.DisableUnnecessaryCastCheck)) == ASTNode.UnnecessaryCast) { // unnecessary cast
						if (!isIndirectlyUsed()) // used for generic type inference or boxing ?
							scope.problemReporter().unnecessaryCast(this);
					}
				}
			} else { // illegal cast
				if ((castType.tagBits & TagBits.HasMissingType) == 0) { // no complaint if secondary error
					scope.problemReporter().typeCastError(this, castType, expressionType);
				}
				this.bits |= ASTNode.DisableUnnecessaryCastCheck; // disable further secondary diagnosis
			}
		}
		this.resolvedType = castType.capture(scope, this.sourceEnd);
		if (exprContainCast) {
			checkNeedForCastCast(scope, this);
		}
	}
	return this.resolvedType;
}
 

import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; //导入方法依赖的package包/类
public void duplicateInheritedMethods(SourceTypeBinding type, MethodBinding inheritedMethod1, MethodBinding inheritedMethod2, boolean isJava8) {
	if (TypeBinding.notEquals(inheritedMethod1.declaringClass, inheritedMethod2.declaringClass)) {
		int problemID = IProblem.DuplicateInheritedMethods;
		if (inheritedMethod1.isDefaultMethod() && inheritedMethod2.isDefaultMethod()) {
			if (isJava8)
				problemID = IProblem.DuplicateInheritedDefaultMethods;
			else
				return; // don't report this error at 1.7-
		}
		this.handle(
			problemID,
			new String[] {
		        new String(inheritedMethod1.selector),
				typesAsString(inheritedMethod1, inheritedMethod1.original().parameters, false),
				typesAsString(inheritedMethod2, inheritedMethod2.original().parameters, false),
				new String(inheritedMethod1.declaringClass.readableName()),
				new String(inheritedMethod2.declaringClass.readableName()),
			},
			new String[] {
				new String(inheritedMethod1.selector),
				typesAsString(inheritedMethod1, inheritedMethod1.original().parameters, true),
				typesAsString(inheritedMethod2, inheritedMethod2.original().parameters, true),
				new String(inheritedMethod1.declaringClass.shortReadableName()),
				new String(inheritedMethod2.declaringClass.shortReadableName()),
			},
			type.sourceStart(),
			type.sourceEnd());
		return;
	}
	// Handle duplicates from same class.
	this.handle(
		IProblem.DuplicateParameterizedMethods,
		new String[] {
	        new String(inheritedMethod1.selector),
			new String(inheritedMethod1.declaringClass.readableName()),
			typesAsString(inheritedMethod1, inheritedMethod1.original().parameters, false),
			typesAsString(inheritedMethod2, inheritedMethod2.original().parameters, false)},
		new String[] {
			new String(inheritedMethod1.selector),
			new String(inheritedMethod1.declaringClass.shortReadableName()),
			typesAsString(inheritedMethod1, inheritedMethod1.original().parameters, true),
			typesAsString(inheritedMethod2, inheritedMethod2.original().parameters, true)},
		type.sourceStart(),
		type.sourceEnd());
}