--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.compiler.lookup;
+
+import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
+import org.eclipse.jdt.internal.compiler.impl.Constant;
+
+public class FieldBinding extends VariableBinding {
+ public ReferenceBinding declaringClass;
+protected FieldBinding() {
+ // for creating problem field
+}
+public FieldBinding(char[] name, TypeBinding type, int modifiers, ReferenceBinding declaringClass, Constant constant) {
+ this.modifiers = modifiers;
+ this.type = type;
+ this.name = name;
+ this.declaringClass = declaringClass;
+ this.constant = constant;
+
+ // propagate the deprecated modifier
+ if (this.declaringClass != null)
+ if (this.declaringClass.isViewedAsDeprecated() && !isDeprecated())
+ this.modifiers |= AccDeprecatedImplicitly;
+}
+public FieldBinding(FieldDeclaration field, TypeBinding type, int modifiers, ReferenceBinding declaringClass) {
+ this(field.name, type, modifiers, declaringClass, null);
+ field.binding = this; // record binding in declaration
+}
+// special API used to change field declaring class for runtime visibility check
+public FieldBinding(FieldBinding initialFieldBinding, ReferenceBinding declaringClass) {
+ this.modifiers = initialFieldBinding.modifiers;
+ this.type = initialFieldBinding.type;
+ this.name = initialFieldBinding.name;
+ this.declaringClass = declaringClass;
+ this.constant = initialFieldBinding.constant;
+ this.id = initialFieldBinding.id;
+}
+/* API
+* Answer the receiver's binding type from Binding.BindingID.
+*/
+
+public final int bindingType() {
+ return FIELD;
+}
+/* Answer true if the receiver is visible to the type provided by the scope.
+* InvocationSite implements isSuperAccess() to provide additional information
+* if the receiver is protected.
+*
+* NOTE: Cannot invoke this method with a compilation unit scope.
+*/
+
+public final boolean canBeSeenBy(TypeBinding receiverType, InvocationSite invocationSite, Scope scope) {
+ if (isPublic()) return true;
+
+ SourceTypeBinding invocationType = scope.enclosingSourceType();
+ if (invocationType == declaringClass && invocationType == receiverType) return true;
+
+ if (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 method is a static method accessed directly through a type
+ // OR previous assertions are true for one of the enclosing type
+ if (invocationType == declaringClass) return true;
+ if (invocationType.fPackage == declaringClass.fPackage) return true;
+
+ ReferenceBinding currentType = invocationType;
+ int depth = 0;
+ do {
+ if (declaringClass.isSuperclassOf(currentType)) {
+ 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 (isStatic()){
+ if (depth > 0) invocationSite.setDepth(depth);
+ return true; // see 1FMEPDL - return invocationSite.isTypeAccess();
+ }
+ if (currentType == receiverType || currentType.isSuperclassOf((ReferenceBinding) receiverType)){
+ if (depth > 0) invocationSite.setDepth(depth);
+ return true;
+ }
+ }
+ depth++;
+ currentType = currentType.enclosingType();
+ } while (currentType != null);
+ return false;
+ }
+
+ if (isPrivate()) {
+ // answer true if the receiverType is the declaringClass
+ // AND the invocationType and the declaringClass have a common enclosingType
+ if (receiverType != declaringClass) return false;
+
+ if (invocationType != declaringClass) {
+ ReferenceBinding outerInvocationType = invocationType;
+ ReferenceBinding temp = outerInvocationType.enclosingType();
+ while (temp != null) {
+ outerInvocationType = temp;
+ temp = temp.enclosingType();
+ }
+
+ ReferenceBinding outerDeclaringClass = declaringClass;
+ temp = outerDeclaringClass.enclosingType();
+ while (temp != null) {
+ outerDeclaringClass = temp;
+ temp = temp.enclosingType();
+ }
+ if (outerInvocationType != outerDeclaringClass) return false;
+ }
+ return true;
+ }
+
+ // isDefault()
+ if (invocationType.fPackage != 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 currentType = (ReferenceBinding) receiverType;
+ PackageBinding declaringPackage = declaringClass.fPackage;
+ do {
+ if (declaringClass == currentType) return true;
+ if (declaringPackage != currentType.fPackage) return false;
+ } while ((currentType = currentType.superclass()) != null);
+ return false;
+}
+public final int getAccessFlags() {
+ return modifiers & AccJustFlag;
+}
+
+/* Answer true if the receiver has default visibility
+*/
+
+public final boolean isDefault() {
+ return !isPublic() && !isProtected() && !isPrivate();
+}
+/* Answer true if the receiver is a deprecated field
+*/
+
+public final boolean isDeprecated() {
+ return (modifiers & AccDeprecated) != 0;
+}
+/* Answer true if the receiver has private visibility
+*/
+
+public final boolean isPrivate() {
+ return (modifiers & AccPrivate) != 0;
+}
+/* Answer true if the receiver has private visibility and is used locally
+*/
+
+public final boolean isPrivateUsed() {
+ return (modifiers & AccPrivateUsed) != 0;
+}
+/* Answer true if the receiver has protected visibility
+*/
+
+public final boolean isProtected() {
+ return (modifiers & AccProtected) != 0;
+}
+/* Answer true if the receiver has public visibility
+*/
+
+public final boolean isPublic() {
+ return (modifiers & AccPublic) != 0;
+}
+/* Answer true if the receiver is a static field
+*/
+
+public final boolean isStatic() {
+ return (modifiers & AccStatic) != 0;
+}
+/* Answer true if the receiver is not defined in the source of the declaringClass
+*/
+
+public final boolean isSynthetic() {
+ return (modifiers & AccSynthetic) != 0;
+}
+/* Answer true if the receiver is a transient field
+*/
+
+public final boolean isTransient() {
+ return (modifiers & AccTransient) != 0;
+}
+/* Answer true if the receiver's declaring type is deprecated (or any of its enclosing types)
+*/
+
+public final boolean isViewedAsDeprecated() {
+ return (modifiers & AccDeprecated) != 0 ||
+ (modifiers & AccDeprecatedImplicitly) != 0;
+}
+/* Answer true if the receiver is a volatile field
+*/
+
+public final boolean isVolatile() {
+ return (modifiers & AccVolatile) != 0;
+}
+}
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