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/*******************************************************************************
* Copyright (c) 2005, 2010 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) - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IProblemBinding;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNameSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTPointerToMember;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPPointerToMemberType;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.core.runtime.CoreException;
/**
* Models pointer to members.
*/
public class CPPPointerToMemberType extends CPPPointerType implements ICPPPointerToMemberType {
private ICPPASTPointerToMember operator;
private IType classType; // Can be either ICPPClassType or ICPPTemplateTypeParameter
/**
* @param type
* @param operator
*/
public CPPPointerToMemberType(IType type, ICPPASTPointerToMember operator) {
super(type, operator);
this.operator = operator;
}
public CPPPointerToMemberType(IType type, IType thisType, boolean isConst, boolean isVolatile, boolean isRestrict) {
super(type, isConst, isVolatile, isRestrict);
this.classType = thisType;
}
@Override
public boolean isSameType(IType o) {
if (o == this)
return true;
if (o instanceof ITypedef)
return o.isSameType(this);
if (!(o instanceof ICPPPointerToMemberType))
return false;
if (!super.isSameType(o))
return false;
ICPPPointerToMemberType pt = (ICPPPointerToMemberType) o;
IType cls = pt.getMemberOfClass();
if (cls != null)
return cls.isSameType(getMemberOfClass());
return false;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPPointerToMemberType#getMemberOfClass()
*/
@Override
public IType getMemberOfClass() {
if (classType == null) {
ICPPASTNameSpecifier nameSpec;
IBinding binding= null;
ICPPASTPointerToMember pm = operator;
if (pm == null) {
nameSpec = new CPPASTName();
} else {
nameSpec = (ICPPASTName) pm.getName();
if (nameSpec instanceof ICPPASTQualifiedName) {
ICPPASTQualifiedName qname = ((ICPPASTQualifiedName) nameSpec);
ICPPASTNameSpecifier[] qualifier = qname.getQualifier();
if (qualifier.length > 0)
nameSpec = qualifier[qualifier.length - 1];
else
nameSpec = (ICPPASTName) qname.getLastName();
}
binding = nameSpec.resolvePreBinding();
}
if (binding instanceof IType) {
classType = (IType) binding;
} else {
classType = new CPPClassType.CPPClassTypeProblem(nameSpec, IProblemBinding.SEMANTIC_INVALID_TYPE, nameSpec.toCharArray());
}
}
return classType;
}
@Override
public void marshal(ITypeMarshalBuffer buffer) throws CoreException {
short firstBytes= ITypeMarshalBuffer.POINTER_TO_MEMBER_TYPE;
if (isConst()) firstBytes |= ITypeMarshalBuffer.FLAG1;
if (isVolatile()) firstBytes |= ITypeMarshalBuffer.FLAG2;
if (isRestrict()) firstBytes |= ITypeMarshalBuffer.FLAG3;
buffer.putShort(firstBytes);
buffer.marshalType(getType());
buffer.marshalType(getMemberOfClass());
}
public static IType unmarshal(short firstBytes, ITypeMarshalBuffer buffer) throws CoreException {
IType nested= buffer.unmarshalType();
IType memberOf= buffer.unmarshalType();
return new CPPPointerToMemberType(nested, memberOf, (firstBytes & ITypeMarshalBuffer.FLAG1) != 0,
(firstBytes & ITypeMarshalBuffer.FLAG2) != 0,
(firstBytes & ITypeMarshalBuffer.FLAG3) != 0);
}
}
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