| /******************************************************************************* |
| * Copyright (c) 2005, 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) - 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 a composite type member. |
| */ |
| 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 classType, boolean isConst, boolean isVolatile, |
| boolean isRestrict) { |
| super(type, isConst, isVolatile, isRestrict); |
| this.classType = classType; |
| } |
| |
| @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; |
| } |
| |
| @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); |
| } |
| } |