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/*******************************************************************************
* 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 org.eclipse.jdt.internal.compiler.ast;
import org.eclipse.jdt.internal.compiler.codegen.*;
import org.eclipse.jdt.internal.compiler.flow.*;
import org.eclipse.jdt.internal.compiler.lookup.*;
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);
}