+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- ******************************************************************************/
-package net.sourceforge.phpdt.internal.compiler.ast;
-
-import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
-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;
-import net.sourceforge.phpdt.internal.compiler.lookup.MethodBinding;
-import net.sourceforge.phpdt.internal.compiler.problem.ShouldNotImplement;
-import net.sourceforge.phpdt.internal.compiler.util.Util;
-
-public abstract class Reference extends Expression {
-/**
- * BaseLevelReference constructor comment.
- */
-public Reference() {
- super();
-}
-public FlowInfo analyseAssignment(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, Assignment assignment, boolean isCompound) {
- throw new ShouldNotImplement(Util.bind("ast.variableShouldProvide")); //$NON-NLS-1$
-}
-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 void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) {
- throw new ShouldNotImplement(Util.bind("ast.compoundPreShouldProvide")); //$NON-NLS-1$
-}
-public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) {
- throw new ShouldNotImplement(Util.bind("ast.compoundVariableShouldProvide")); //$NON-NLS-1$
-}
-public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
- throw new ShouldNotImplement(Util.bind("ast.postIncrShouldProvide")); //$NON-NLS-1$
-}
-}