| /******************************************************************************* |
| * Copyright (c) 2004, 2013 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: |
| * Andrew Niefer (IBM Corporation) - initial API and implementation |
| * Markus Schorn (Wind River Systems) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTTypeUtil; |
| import org.eclipse.cdt.core.dom.ast.IType; |
| import org.eclipse.cdt.core.dom.ast.ITypedef; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPReferenceType; |
| import org.eclipse.cdt.internal.core.dom.parser.ISerializableType; |
| import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer; |
| import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer; |
| import org.eclipse.core.runtime.CoreException; |
| |
| public class CPPReferenceType implements ICPPReferenceType, ITypeContainer, ISerializableType { |
| private IType fType = null; |
| private boolean fIsRValue; |
| |
| public CPPReferenceType(IType type, boolean isRValue) { |
| fIsRValue= isRValue; |
| setType(type); |
| } |
| |
| @Override |
| public IType getType() { |
| return fType; |
| } |
| |
| @Override |
| public boolean isRValueReference() { |
| return fIsRValue; |
| } |
| |
| @Override |
| public void setType(IType t) { |
| if (t instanceof ICPPReferenceType) { |
| final ICPPReferenceType rt = (ICPPReferenceType) t; |
| fIsRValue = fIsRValue && rt.isRValueReference(); |
| t= rt.getType(); |
| } |
| assert t != null; |
| fType= t; |
| } |
| |
| @Override |
| public boolean isSameType(IType obj) { |
| if (obj == this) |
| return true; |
| if (obj instanceof ITypedef) |
| return ((ITypedef) obj).isSameType(this); |
| |
| if (obj instanceof ICPPReferenceType) { |
| final ICPPReferenceType rhs = (ICPPReferenceType) obj; |
| IType t1= getType(); |
| IType t2= rhs.getType(); |
| boolean rv1= isRValueReference(); |
| boolean rv2= rhs.isRValueReference(); |
| for (;;) { |
| if (t1 instanceof ITypedef) { |
| t1= ((ITypedef) t1).getType(); |
| } else if (t1 instanceof ICPPReferenceType) { |
| rv1= rv1 && ((ICPPReferenceType) t1).isRValueReference(); |
| t1= ((ICPPReferenceType) t1).getType(); |
| } else { |
| break; |
| } |
| } |
| for (;;) { |
| if (t2 instanceof ITypedef) { |
| t2= ((ITypedef) t2).getType(); |
| } else if (t2 instanceof ICPPReferenceType) { |
| rv2= rv2 && ((ICPPReferenceType) t2).isRValueReference(); |
| t2= ((ICPPReferenceType) t2).getType(); |
| } else { |
| break; |
| } |
| } |
| if (t1 == null) |
| return false; |
| |
| return rv1 == rv2 && t1.isSameType(t2); |
| } |
| return false; |
| } |
| |
| @Override |
| public Object clone() { |
| IType t = null; |
| try { |
| t = (IType) super.clone(); |
| } catch (CloneNotSupportedException e) { |
| // not going to happen |
| } |
| return t; |
| } |
| |
| @Override |
| public String toString() { |
| return ASTTypeUtil.getType(this); |
| } |
| |
| @Override |
| public void marshal(ITypeMarshalBuffer buffer) throws CoreException { |
| short firstBytes= ITypeMarshalBuffer.REFERENCE_TYPE; |
| if (isRValueReference()) { |
| firstBytes |= ITypeMarshalBuffer.FLAG1; |
| } |
| buffer.putShort(firstBytes); |
| buffer.marshalType(getType()); |
| } |
| |
| public static IType unmarshal(short firstBytes, ITypeMarshalBuffer buffer) throws CoreException { |
| IType nested= buffer.unmarshalType(); |
| return new CPPReferenceType(nested, (firstBytes & ITypeMarshalBuffer.FLAG1) != 0); |
| } |
| } |