| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.internal.compiler.ast; |
| |
| import org.eclipse.wst.jsdt.core.ast.IASTNode; |
| import org.eclipse.wst.jsdt.core.ast.INameReference; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.Binding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.FieldBinding; |
| |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.InvocationSite; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.ReferenceBinding; |
| import org.eclipse.wst.jsdt.internal.compiler.lookup.TypeBinding; |
| |
| public abstract class NameReference extends Reference implements INameReference, InvocationSite { |
| |
| public Binding binding;//, codegenBinding; //may be aTypeBinding-aFieldBinding-aLocalVariableBinding |
| |
| public TypeBinding actualReceiverType; // modified receiver type - actual one according to namelookup |
| |
| //the error printing |
| //some name reference are build as name reference but |
| //only used as type reference. When it happens, instead of |
| //creating a new objet (aTypeReference) we just flag a boolean |
| //This concesion is valuable while their are cases when the NameReference |
| //will be a TypeReference (static message sends.....) and there is |
| //no changeClass in java. |
| public NameReference() { |
| super(); |
| bits |= Binding.TYPE | Binding.VARIABLE; // restrictiveFlag |
| |
| } |
| public FieldBinding fieldBinding() { |
| //this method should be sent ONLY after a check against isFieldReference() |
| //check its use doing senders......... |
| |
| return (FieldBinding) binding ; |
| } |
| public boolean isSuperAccess() { |
| return false; |
| } |
| public boolean isTypeAccess() { |
| // null is acceptable when we are resolving the first part of a reference |
| return binding == null || binding instanceof ReferenceBinding; |
| } |
| public boolean isTypeReference() { |
| return binding instanceof ReferenceBinding; |
| } |
| public void setActualReceiverType(ReferenceBinding receiverType) { |
| if (receiverType == null) return; // error scenario only |
| this.actualReceiverType = receiverType; |
| } |
| public void setDepth(int depth) { |
| bits &= ~DepthMASK; // flush previous depth if any |
| if (depth > 0) { |
| bits |= (depth & 0xFF) << DepthSHIFT; // encoded on 8 bits |
| } |
| } |
| public void setFieldIndex(int index){ |
| // ignored |
| } |
| |
| public abstract String unboundReferenceErrorName(); |
| |
| public Binding alternateBinding() |
| { |
| Binding alternateBinding = binding; |
| if (alternateBinding instanceof MethodBinding && ((MethodBinding)alternateBinding).isConstructor()) |
| { |
| MethodBinding constructorBinding=(MethodBinding)alternateBinding; |
| alternateBinding=constructorBinding.returnType; |
| } |
| |
| return alternateBinding; |
| |
| |
| } |
| public int getASTType() { |
| return IASTNode.NAME_REFERENCE; |
| |
| } |
| } |
| |
| |