/*******************************************************************************
* Copyright (c) 2000, 2008 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.codeassist.select;
/*
* Selection node build by the parser in any case it was intending to
* reduce a type reference containing the completion identifier as part
* of a qualified name.
* e.g.
*
* class X extends java.lang.[start]Object[end]
*
* ---> class X extends <SelectOnType:java.lang.Object>
*
*/
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
import org.eclipse.jdt.internal.compiler.lookup.ProblemReasons;
import org.eclipse.jdt.internal.compiler.lookup.ProblemReferenceBinding;
import org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
public class SelectionOnQualifiedTypeReference extends QualifiedTypeReference {
public SelectionOnQualifiedTypeReference(char[][] previousIdentifiers, char[] selectionIdentifier, long[] positions) {
super(
CharOperation.arrayConcat(previousIdentifiers, selectionIdentifier),
positions);
}
public void aboutToResolve(Scope scope) {
getTypeBinding(scope.parent); // step up from the ClassScope
}
protected TypeBinding getTypeBinding(Scope scope) {
// it can be a package, type or member type
Binding binding = scope.getTypeOrPackage(this.tokens);
if (!binding.isValidBinding()) {
// tolerate some error cases
if (binding.problemId() == ProblemReasons.NotVisible){
throw new SelectionNodeFound(binding);
}
if (binding instanceof TypeBinding) {
scope.problemReporter().invalidType(this, (TypeBinding) binding);
} else if (binding instanceof PackageBinding) {
ProblemReferenceBinding problemBinding = new ProblemReferenceBinding(((PackageBinding)binding).compoundName, null, binding.problemId());
scope.problemReporter().invalidType(this, problemBinding);
}
throw new SelectionNodeFound();
}
throw new SelectionNodeFound(binding);
}
public StringBuffer printExpression(int indent, StringBuffer output) {
output.append("<SelectOnType:"); //$NON-NLS-1$
for (int i = 0, length = this.tokens.length; i < length; i++) {
if (i > 0) output.append('.');
output.append(this.tokens[i]);
}
return output.append('>');
}
}