/*******************************************************************************
 * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.compiler.ast;

import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;

public abstract class Reference extends Expression {
	/**
	 * BaseLevelReference constructor comment.
	 */
	public Reference() {
		super();
	}

	public abstract FlowInfo analyseAssignment(BlockScope currentScope,
			FlowContext flowContext, FlowInfo flowInfo, Assignment assignment,
			boolean isCompound);

	public FlowInfo analyseCode(BlockScope currentScope,
			FlowContext flowContext, FlowInfo flowInfo) {
		return flowInfo;
	}

	public FieldBinding fieldBinding() {
		// this method should be sent one FIELD-tagged references
		// (ref.bits & BindingIds.FIELD != 0)()
		return null;
	}
	// public void fieldStore(CodeStream codeStream, FieldBinding fieldBinding,
	// MethodBinding syntheticWriteAccessor, boolean valueRequired) {
	//
	// if (fieldBinding.isStatic()) {
	// if (valueRequired) {
	// if ((fieldBinding.type == LongBinding) || (fieldBinding.type ==
	// DoubleBinding)) {
	// codeStream.dup2();
	// } else {
	// codeStream.dup();
	// }
	// }
	// if (syntheticWriteAccessor == null) {
	// codeStream.putstatic(fieldBinding);
	// } else {
	// codeStream.invokestatic(syntheticWriteAccessor);
	// }
	// } else { // Stack: [owner][new field value] ---> [new field
	// value][owner][new field value]
	// if (valueRequired) {
	// if ((fieldBinding.type == LongBinding) || (fieldBinding.type ==
	// DoubleBinding)) {
	// codeStream.dup2_x1();
	// } else {
	// codeStream.dup_x1();
	// }
	// }
	// if (syntheticWriteAccessor == null) {
	// codeStream.putfield(fieldBinding);
	// } else {
	// codeStream.invokestatic(syntheticWriteAccessor);
	// }
	// }
	// }
	// public abstract void generateAssignment(BlockScope currentScope,
	// CodeStream codeStream, Assignment assignment, boolean valueRequired);
	//
	// public abstract void generateCompoundAssignment(BlockScope currentScope,
	// CodeStream codeStream, Expression expression, int operator, int
	// assignmentImplicitConversion, boolean valueRequired);
	//
	// public abstract void generatePostIncrement(BlockScope currentScope,
	// CodeStream codeStream, CompoundAssignment postIncrement, boolean
	// valueRequired);

}
