/*******************************************************************************
* Copyright (c) 2004, 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:
* IBM Corporation - 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.ILinkage;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
import org.eclipse.cdt.internal.core.dom.Linkage;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
import org.eclipse.core.runtime.PlatformObject;
/**
* Represents a binding that is unknown because it depends on template arguments.
*/
public class CPPUnknownBinding extends PlatformObject
implements ICPPUnknownBinding, ICPPInternalBinding, Cloneable {
protected IBinding fOwner;
private ICPPScope unknownScope;
protected IASTName name;
public CPPUnknownBinding(IBinding owner, char[] name) {
super();
this.name = new CPPASTName(name);
this.name.setPropertyInParent(CPPSemantics.STRING_LOOKUP_PROPERTY);
fOwner= owner;
}
public IASTNode[] getDeclarations() {
return null;
}
public IASTNode getDefinition() {
return null;
}
public void addDefinition(IASTNode node) {
}
public void addDeclaration(IASTNode node) {
}
public String[] getQualifiedName() {
return CPPVisitor.getQualifiedName(this);
}
public char[][] getQualifiedNameCharArray() {
return CPPVisitor.getQualifiedNameCharArray(this);
}
public boolean isGloballyQualified() {
return false;
}
public String getName() {
return name.toString();
}
public char[] getNameCharArray() {
return name.getSimpleID();
}
public IScope getScope() throws DOMException {
// Use getOwner(), it is overridden by derived classes.
final IBinding owner = getOwner();
if (owner instanceof ICPPUnknownBinding) {
return ((ICPPUnknownBinding) owner).asScope();
} else if (owner instanceof ICPPClassType) {
return ((ICPPClassType) owner).getCompositeScope();
} else if (owner instanceof ICPPNamespace) {
return ((ICPPNamespace) owner).getNamespaceScope();
} else if (owner instanceof ICPPFunction) {
return ((ICPPFunction) owner).getFunctionScope();
}
return null;
}
public ICPPScope asScope() {
if (unknownScope == null) {
unknownScope = new CPPUnknownScope(this, name);
}
return unknownScope;
}
public ILinkage getLinkage() {
return Linkage.CPP_LINKAGE;
}
@Override
public CPPUnknownBinding clone() {
try {
return (CPPUnknownBinding) super.clone();
} catch (CloneNotSupportedException e) {
return null; // Never happens
}
}
@Override
public String toString() {
return getName();
}
public IASTName getUnknownName() {
return name;
}
public IBinding getOwner() {
return fOwner;
}
}