| /******************************************************************************* |
| * 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 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.lookup; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| |
| public class UnresolvedReferenceBinding extends ReferenceBinding { |
| |
| ReferenceBinding resolvedType; |
| TypeBinding[] wrappers; |
| |
| UnresolvedReferenceBinding(char[][] compoundName, PackageBinding packageBinding) { |
| this.compoundName = compoundName; |
| this.sourceName = compoundName[compoundName.length - 1]; // reasonable guess |
| this.fPackage = packageBinding; |
| this.wrappers = null; |
| } |
| void addWrapper(TypeBinding wrapper) { |
| if (this.wrappers == null) { |
| this.wrappers = new TypeBinding[] {wrapper}; |
| } else { |
| int length = this.wrappers.length; |
| System.arraycopy(this.wrappers, 0, this.wrappers = new TypeBinding[length + 1], 0, length); |
| this.wrappers[length] = wrapper; |
| } |
| } |
| public String debugName() { |
| return toString(); |
| } |
| ReferenceBinding resolve(LookupEnvironment environment, boolean convertGenericToRawType) { |
| ReferenceBinding targetType = this.resolvedType; |
| if (targetType == null) { |
| targetType = this.fPackage.getType0(this.compoundName[this.compoundName.length - 1]); |
| if (targetType == this) |
| targetType = environment.askForType(this.compoundName); |
| if (targetType != null && targetType != this) { // could not resolve any better, error was already reported against it |
| setResolvedType(targetType, environment); |
| } else { |
| environment.problemReporter.isClassPathCorrect(this.compoundName, null); |
| return null; // will not get here since the above error aborts the compilation |
| } |
| } |
| if (convertGenericToRawType) { |
| boolean rawEnclosing = false; |
| ReferenceBinding targetEnclosingType = targetType.enclosingType(); |
| if (targetEnclosingType != null && targetEnclosingType.isGenericType()) { // convert to raw type since wasn't parameterized |
| rawEnclosing = true; |
| targetEnclosingType = environment.createRawType(targetEnclosingType, targetEnclosingType.enclosingType()); |
| } |
| if (targetType.isGenericType()) { // raw reference to generic ? |
| return environment.createRawType(targetType, targetEnclosingType); |
| } else if (rawEnclosing) { |
| return environment.createParameterizedType(targetType, null, targetEnclosingType); |
| } |
| } |
| return targetType; |
| } |
| void setResolvedType(ReferenceBinding targetType, LookupEnvironment environment) { |
| if (this.resolvedType == targetType) return; // already resolved |
| |
| // targetType may be a source or binary type |
| this.resolvedType = targetType; |
| // must ensure to update any other type bindings that can contain the resolved type |
| // otherwise we could create 2 : 1 for this unresolved type & 1 for the resolved type |
| if (this.wrappers != null) |
| for (int i = 0, l = this.wrappers.length; i < l; i++) |
| this.wrappers[i].swapUnresolved(this, targetType, environment); |
| environment.updateCaches(this, targetType); |
| } |
| public String toString() { |
| return "Unresolved type " + ((compoundName != null) ? CharOperation.toString(compoundName) : "UNNAMED"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |