Java Code Examples for org.eclipse.jdt.internal.compiler.lookup.FieldBinding#isPrivate()

@Override
public boolean hides(Element hiddenElement)
{
	if (_binding instanceof FieldBinding) {
		if (!(((ElementImpl)hiddenElement)._binding instanceof FieldBinding)) {
			return false;
		}
		FieldBinding hidden = (FieldBinding)((ElementImpl)hiddenElement)._binding;
		if (hidden.isPrivate()) {
			return false;
		}
		FieldBinding hider = (FieldBinding)_binding;
		if (hidden == hider) {
			return false;
		}
		if (!CharOperation.equals(hider.name, hidden.name)) {
			return false;
		}
		return null != hider.declaringClass.findSuperTypeOriginatingFrom(hidden.declaringClass);
	}
	// TODO: should we implement hides() for method parameters?
	return false;
}
 

public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo, boolean isReadAccess) {
	if ((flowInfo.tagBits & FlowInfo.UNREACHABLE_OR_DEAD) != 0)	return;

	//If inlinable field, forget the access emulation, the code gen will directly target it
	if (this.constant != Constant.NotAConstant)
		return;

	if ((this.bits & Binding.FIELD) != 0) {
		FieldBinding fieldBinding = (FieldBinding) this.binding;
		FieldBinding codegenField = fieldBinding.original();
		if (((this.bits & ASTNode.DepthMASK) != 0)
			&& (codegenField.isPrivate() // private access
				|| (codegenField.isProtected() // implicit protected access
						&& codegenField.declaringClass.getPackage() != currentScope.enclosingSourceType().getPackage()))) {
			if (this.syntheticAccessors == null)
				this.syntheticAccessors = new MethodBinding[2];
			this.syntheticAccessors[isReadAccess ? SingleNameReference.READ : SingleNameReference.WRITE] =
			    ((SourceTypeBinding)currentScope.enclosingSourceType().
					enclosingTypeAt((this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT)).addSyntheticMethod(codegenField, isReadAccess, false /*not super access*/);
			currentScope.problemReporter().needToEmulateFieldAccess(codegenField, this, isReadAccess);
			return;
		}
	}
}
 

/**
 * Add the members of a type to the maps of subtypes, fields, and methods.  Add only those
 * which are non-private and which are not overridden by an already-discovered member.
 * For fields, add them all; javac implementation does not take field hiding into account.
 * @param binding the type whose members will be added to the lists
 * @param ignoreVisibility if true, all members will be added regardless of whether they
 * are private, overridden, etc.
 * @param types a map of type simple name to type binding
 * @param fields a list of field bindings
 * @param methods a map of method simple name to set of method bindings with that name
 */
private void addMembers(ReferenceBinding binding, boolean ignoreVisibility, Map<String, ReferenceBinding> types,
		List<FieldBinding> fields, Map<String, Set<MethodBinding>> methods)
{
	for (ReferenceBinding subtype : binding.memberTypes()) {
		if (ignoreVisibility || !subtype.isPrivate()) {
			String name = new String(subtype.sourceName());
			if (null == types.get(name)) {
				types.put(name, subtype);
			}
		}
	}
	for (FieldBinding field : binding.fields()) {
		if (ignoreVisibility || !field.isPrivate()) {
			fields.add(field);
		}
	}
	for (MethodBinding method : binding.methods()) {
		if (!method.isSynthetic() && (ignoreVisibility || (!method.isPrivate() && !method.isConstructor()))) {
			String methodName = new String(method.selector);
			Set<MethodBinding> sameNamedMethods = methods.get(methodName);
			if (null == sameNamedMethods) {
				// New method name.  Create a set for it and add it to the list.
				// We don't expect many methods with same name, so only 4 slots:
				sameNamedMethods = new HashSet<MethodBinding>(4);
				methods.put(methodName, sameNamedMethods);
				sameNamedMethods.add(method);
			}
			else {
				// We already have a method with this name.  Is this method overridden?
				boolean unique = true;
				if (!ignoreVisibility) {
					for (MethodBinding existing : sameNamedMethods) {
						MethodVerifier verifier = _env.getLookupEnvironment().methodVerifier();
						if (verifier.doesMethodOverride(existing, method)) {
							unique = false;
							break;
						}
					}
				}
				if (unique) {
					sameNamedMethods.add(method);
				}
			}
		}
	}
}
 

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;
}