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/*******************************************************************************
* Copyright (c) 2008, 2013 Google, Inc 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:
* Sergey Prigogin (Google) - 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.ICPPTemplateArgument;
import org.eclipse.cdt.core.parser.util.CharArrayUtils;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.cdt.internal.core.index.IIndexFragment;
import org.eclipse.cdt.internal.core.pdom.dom.cpp.PDOMCPPUnknownMemberClassInstance;
import org.eclipse.core.runtime.CoreException;
/**
* Represents a partially instantiated C++ class template, declaration of which is not yet available.
*
* @author Sergey Prigogin
*/
public class CPPUnknownClassInstance extends CPPUnknownMemberClass implements ICPPUnknownMemberClassInstance {
private final ICPPTemplateArgument[] arguments;
public CPPUnknownClassInstance(IType scopeBinding, char[] name, ICPPTemplateArgument[] arguments) {
super(scopeBinding, name);
this.arguments = arguments;
}
@Override
public ICPPTemplateArgument[] getArguments() {
return arguments;
}
@Override
public String toString() {
return getName() + " " + ASTTypeUtil.getArgumentListString(arguments, true); //$NON-NLS-1$
}
@Override
public boolean isSameType(IType type) {
if (this == type)
return true;
if (type instanceof ITypedef) {
return type.isSameType(this);
}
if (type instanceof ICPPUnknownMemberClassInstance) {
ICPPUnknownMemberClassInstance rhs= (ICPPUnknownMemberClassInstance) type;
if (CharArrayUtils.equals(getNameCharArray(), rhs.getNameCharArray())) {
ICPPTemplateArgument[] lhsArgs= getArguments();
ICPPTemplateArgument[] rhsArgs= rhs.getArguments();
if (lhsArgs != rhsArgs) {
if (lhsArgs == null || rhsArgs == null)
return false;
if (lhsArgs.length != rhsArgs.length)
return false;
for (int i= 0; i < lhsArgs.length; i++) {
if (!lhsArgs[i].isSameValue(rhsArgs[i]))
return false;
}
}
final IType lhsContainer = getOwnerType();
final IType rhsContainer = rhs.getOwnerType();
if (lhsContainer != null && rhsContainer != null) {
return (lhsContainer.isSameType(rhsContainer));
}
}
}
return false;
}
@Override
public void marshal(ITypeMarshalBuffer buffer) throws CoreException {
short firstBytes= ITypeMarshalBuffer.UNKNOWN_MEMBER_CLASS_INSTANCE;
buffer.putShort(firstBytes);
buffer.marshalType(getOwnerType());
buffer.putCharArray(getNameCharArray());
buffer.putInt(arguments.length);
for (ICPPTemplateArgument arg : arguments) {
buffer.marshalTemplateArgument(arg);
}
}
public static ICPPUnknownMemberClassInstance unmarshal(IIndexFragment fragment, short firstBytes, ITypeMarshalBuffer buffer) throws CoreException {
IType owner= buffer.unmarshalType();
char[] name = buffer.getCharArray();
int argcount= buffer.getInt();
ICPPTemplateArgument[] args = new ICPPTemplateArgument[argcount];
for (int i = 0; i < argcount; i++) {
args[i]= buffer.unmarshalTemplateArgument();
}
return new PDOMCPPUnknownMemberClassInstance(fragment, owner, name, args);
}
}
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