Copyright (c) 2000, 2012 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.codeassist.complete;

/*
 * Completion node build by the parser in any case it was intending to
 * reduce a type reference containing the completion identifier as a single
 * name reference.
 * e.g.
 *
 *	class X extends Obj[cursor]
 *
 *	---> class X extends <CompleteOnType:Obj>
 *
 * The source range of the completion node denotes the source range
 * which should be replaced by the completion.
 */

import org.eclipse.jdt.internal.compiler.ast.*;
import org.eclipse.jdt.internal.compiler.lookup.*;

public class CompletionOnSingleTypeReference extends SingleTypeReference {
public static final int K_TYPE = 0;
public static final int K_CLASS = 1;
public static final int K_INTERFACE = 2;
public static final int K_EXCEPTION = 3;

private int kind = K_TYPE;
public boolean isCompletionNode;
public boolean isConstructorType;
public CompletionOnFieldType fieldTypeCompletionNode;

public CompletionOnSingleTypeReference(char[] source, long pos) {
	this(source, pos, K_TYPE);
}
public CompletionOnSingleTypeReference(char[] source, long pos, int kind) {
	super(source, pos);
	this.isCompletionNode = true;
	this.kind = kind;
}
@Override
public void aboutToResolve(Scope scope) {
	getTypeBinding(scope);
}
/*
 * No expansion of the completion reference into an array one
 */
@Override
public TypeReference augmentTypeWithAdditionalDimensions(int additionalDimensions, Annotation[][] additionalAnnotations, boolean isVarargs) {
	return this;
}
@Override
protected TypeBinding getTypeBinding(Scope scope) {
    if (this.fieldTypeCompletionNode != null) {
		throw new CompletionNodeFound(this.fieldTypeCompletionNode, scope);
    }
	if(this.isCompletionNode) {
		throw new CompletionNodeFound(this, scope);
	} else {
		return super.getTypeBinding(scope);
	}
}
public boolean isClass(){
	return this.kind == K_CLASS;
}
public boolean isInterface(){
	return this.kind == K_INTERFACE;
}
public boolean isException(){
	return this.kind == K_EXCEPTION;
}
public boolean isSuperType(){
	return this.kind == K_CLASS || this.kind == K_INTERFACE;
}
@Override
public StringBuffer printExpression(int indent, StringBuffer output){
	switch (this.kind) {
		case K_CLASS :
			output.append("<CompleteOnClass:");//$NON-NLS-1$
			break;
		case K_INTERFACE :
			output.append("<CompleteOnInterface:");//$NON-NLS-1$
			break;
		case K_EXCEPTION :
			output.append("<CompleteOnException:");//$NON-NLS-1$
			break;
		default :
			output.append("<CompleteOnType:");//$NON-NLS-1$
			break;
	}
	return output.append(this.token).append('>');
}
@Override
public TypeBinding resolveTypeEnclosing(BlockScope scope, ReferenceBinding enclosingType) {
    if (this.fieldTypeCompletionNode != null) {
		throw new CompletionNodeFound(this.fieldTypeCompletionNode, scope);
    }
	if(this.isCompletionNode) {
		throw new CompletionNodeFound(this, enclosingType, scope);
	} else {
		return super.resolveTypeEnclosing(scope, enclosingType);
	}
}
public void setKind(int kind) {
	this.kind = kind;
}
}