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/*******************************************************************************
* 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 an allocation expression containing the cursor.
* If the allocation expression is not qualified, the enclosingInstance field
* is null.
* e.g.
*
* class X {
* void foo() {
* new [start]Bar[end](1, 2)
* }
* }
*
* ---> class X {
* void foo() {
* <SelectOnAllocationExpression:new Bar(1, 2)>
* }
* }
*
*/
import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.eclipse.jdt.internal.compiler.ast.QualifiedAllocationExpression;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.LocalTypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.ProblemReasons;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
public class SelectionOnQualifiedAllocationExpression extends QualifiedAllocationExpression {
public SelectionOnQualifiedAllocationExpression() {
// constructor without argument
}
public SelectionOnQualifiedAllocationExpression(TypeDeclaration anonymous) {
super(anonymous);
}
@Override
public StringBuffer printExpression(int indent, StringBuffer output) {
if (this.enclosingInstance == null)
output.append("<SelectOnAllocationExpression:"); //$NON-NLS-1$
else
output.append("<SelectOnQualifiedAllocationExpression:"); //$NON-NLS-1$
return super.printExpression(indent, output).append('>');
}
@Override
public TypeBinding resolveType(BlockScope scope) {
super.resolveType(scope);
if (this.binding == null) {
throw new SelectionNodeFound();
}
// tolerate some error cases
if (!this.binding.isValidBinding()) {
switch (this.binding.problemId()) {
case ProblemReasons.NotVisible:
// visibility is ignored
break;
case ProblemReasons.NotFound:
if (this.resolvedType != null && this.resolvedType.isValidBinding()) {
throw new SelectionNodeFound(this.resolvedType);
}
throw new SelectionNodeFound();
default:
throw new SelectionNodeFound();
}
}
if (this.anonymousType == null)
throw new SelectionNodeFound(this.binding);
// if selecting a type for an anonymous type creation, we have to
// find its target super constructor (if extending a class) or its target
// super interface (if extending an interface)
if (this.anonymousType.binding != null) {
LocalTypeBinding localType = (LocalTypeBinding) this.anonymousType.binding;
if (localType.superInterfaces == Binding.NO_SUPERINTERFACES) {
// find the constructor binding inside the super constructor call
ConstructorDeclaration constructor = (ConstructorDeclaration) this.anonymousType.declarationOf(this.binding.original());
if (constructor != null) {
throw new SelectionNodeFound(constructor.constructorCall.binding);
}
throw new SelectionNodeFound(this.binding);
}
// open on the only super interface
throw new SelectionNodeFound(localType.superInterfaces[0]);
} else {
if (this.resolvedType.isInterface()) {
throw new SelectionNodeFound(this.resolvedType);
}
throw new SelectionNodeFound(this.binding);
}
}
}
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