net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Reference.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.compiler.ast;
  12
  13 import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
  14 import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
  15 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  16 import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
  17
  18 public abstract class Reference extends Expression  {
  19 /**
  20  * BaseLevelReference constructor comment.
  21  */
  22 public Reference() {
  23         super();
  24 }
  25 public abstract FlowInfo analyseAssignment(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, Assignment assignment, boolean isCompound);
  26
  27 public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
  28         return flowInfo;
  29 }
  30 public FieldBinding fieldBinding() {
  31         //this method should be sent one FIELD-tagged references
  32         //  (ref.bits & BindingIds.FIELD != 0)()
  33         return null ;
  34 }
  35 //public void fieldStore(CodeStream codeStream, FieldBinding fieldBinding, MethodBinding syntheticWriteAccessor, boolean valueRequired) {
  36 //
  37 //      if (fieldBinding.isStatic()) {
  38 //              if (valueRequired) {
  39 //                      if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) {
  40 //                              codeStream.dup2();
  41 //                      } else {
  42 //                              codeStream.dup();
  43 //                      }
  44 //              }
  45 //              if (syntheticWriteAccessor == null) {
  46 //                      codeStream.putstatic(fieldBinding);
  47 //              } else {
  48 //                      codeStream.invokestatic(syntheticWriteAccessor);
  49 //              }
  50 //      } else { // Stack:  [owner][new field value]  ---> [new field value][owner][new field value]
  51 //              if (valueRequired) {
  52 //                      if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) {
  53 //                              codeStream.dup2_x1();
  54 //                      } else {
  55 //                              codeStream.dup_x1();
  56 //                      }
  57 //              }
  58 //              if (syntheticWriteAccessor == null) {
  59 //                      codeStream.putfield(fieldBinding);
  60 //              } else {
  61 //                      codeStream.invokestatic(syntheticWriteAccessor);
  62 //              }
  63 //      }
  64 //}
  65 //public abstract void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired);
  66 //
  67 //public abstract void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired);
  68 //
  69 //public abstract void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired);
  70
  71 }