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/*******************************************************************************
* 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.wst.jsdt.internal.compiler.lookup;
import org.eclipse.wst.jsdt.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 && targetType.isGenericType()) // raw reference to generic ?
return environment.createRawType(targetType, null);
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"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
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