Copyright (c) 2000, 2008 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, 2008 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 an access to a member (field reference or message send)
 * containing the completion identifier.
 * e.g.
 *
 *	class X {
 *    void foo() {
 *      bar().fred[cursor]
 *    }
 *  }
 *
 *	---> class X {
 *         void foo() {
 *           <CompleteOnMemberAccess:bar().fred>
 *         }
 *       }
 *
 * 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 CompletionOnMemberAccess extends FieldReference {

	public boolean isInsideAnnotation;

	public CompletionOnMemberAccess(char[] source, long pos, boolean isInsideAnnotation) {

		super(source, pos);
		this.isInsideAnnotation = isInsideAnnotation;
	}

	@Override
	public StringBuffer printExpression(int indent, StringBuffer output) {

		output.append("<CompleteOnMemberAccess:"); //$NON-NLS-1$
		return super.printExpression(0, output).append('>');
	}

	@Override
	public TypeBinding resolveType(BlockScope scope) {

		this.actualReceiverType = this.receiver.resolveType(scope);

		if ((this.actualReceiverType == null || !this.actualReceiverType.isValidBinding()) && this.receiver instanceof MessageSend) {
			MessageSend messageSend = (MessageSend) this.receiver;
			if(messageSend.receiver instanceof ThisReference) {
				Expression[] arguments = messageSend.arguments;
				int length = arguments == null ? 0 : arguments.length;
				TypeBinding[] argBindings = new TypeBinding[length];
				for (int i = 0; i < length; i++) {
					argBindings[i] = arguments[i].resolvedType;
					if(argBindings[i] == null || !argBindings[i].isValidBinding()) {
						throw new CompletionNodeFound();
					}
				}

				ProblemMethodBinding problemMethodBinding = new ProblemMethodBinding(messageSend.selector, argBindings, ProblemReasons.NotFound);
				throw new CompletionNodeFound(this, problemMethodBinding, scope);
			}
		}

		if (this.actualReceiverType == null || !this.actualReceiverType.isValidBinding())
			throw new CompletionNodeFound();
		else
			throw new CompletionNodeFound(this, this.actualReceiverType, scope);
		// array types are passed along to find the length field
	}
}