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/*******************************************************************************
* Copyright (c) 2006, 2008 QNX Software Systems 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:
* QNX - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Andrew Ferguson (Symbian)
* Bryan Wilkinson (QNX)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom.cpp;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.IPDOMVisitor;
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.cpp.ICPPDelegate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPUsingDeclaration;
import org.eclipse.cdt.core.index.IIndexBinding;
import org.eclipse.cdt.core.index.IIndexFileSet;
import org.eclipse.cdt.core.index.IndexFilter;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPNamespace;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPSemantics;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPDelegateCreator;
import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
import org.eclipse.cdt.internal.core.index.IIndexScope;
import org.eclipse.cdt.internal.core.pdom.PDOM;
import org.eclipse.cdt.internal.core.pdom.db.BTree;
import org.eclipse.cdt.internal.core.pdom.db.IBTreeVisitor;
import org.eclipse.cdt.internal.core.pdom.dom.BindingCollector;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
import org.eclipse.core.runtime.CoreException;
/**
* @author Doug Schaefer
*
*/
class PDOMCPPNamespace extends PDOMCPPBinding
implements ICPPNamespace, ICPPNamespaceScope, IIndexScope, ICPPDelegateCreator {
private static final int INDEX_OFFSET = PDOMBinding.RECORD_SIZE + 0;
@SuppressWarnings("hiding")
protected static final int RECORD_SIZE = PDOMBinding.RECORD_SIZE + 4;
public PDOMCPPNamespace(PDOM pdom, PDOMNode parent, ICPPNamespace namespace) throws CoreException {
super(pdom, parent, namespace.getNameCharArray());
}
public PDOMCPPNamespace(PDOM pdom, int record) throws CoreException {
super(pdom, record);
}
protected int getRecordSize() {
return RECORD_SIZE;
}
public int getNodeType() {
return IIndexCPPBindingConstants.CPPNAMESPACE;
}
public BTree getIndex() throws CoreException {
return new BTree(pdom.getDB(), record + INDEX_OFFSET, getLinkageImpl().getIndexComparator());
}
public void accept(final IPDOMVisitor visitor) throws CoreException {
if (visitor instanceof IBTreeVisitor) {
getIndex().accept((IBTreeVisitor) visitor);
}
else {
getIndex().accept(new IBTreeVisitor() {
public int compare(int record) throws CoreException {
return 0;
}
public boolean visit(int record) throws CoreException {
PDOMBinding binding = pdom.getBinding(record);
if (binding != null) {
if (visitor.visit(binding))
binding.accept(visitor);
visitor.leave(binding);
}
return true;
}
});
}
}
public void addChild(PDOMNode child) throws CoreException {
getIndex().insert(child.getRecord());
}
public ICPPNamespaceScope getNamespaceScope() throws DOMException {
return this;
}
public IASTNode[] getUsingDirectives() throws DOMException {
// TODO
return new IASTNode[0];
}
public IBinding[] find(String name) {
try {
BindingCollector visitor = new BindingCollector(getLinkageImpl(), name.toCharArray(), IndexFilter.ALL_DECLARED_OR_IMPLICIT,false, true);
getIndex().accept(visitor);
return visitor.getBindings();
} catch (CoreException e) {
CCorePlugin.log(e);
}
return IIndexBinding.EMPTY_INDEX_BINDING_ARRAY;
}
public IBinding getBinding(IASTName name, boolean resolve, IIndexFileSet fileSet) throws DOMException {
try {
IBinding[] bindings= getBindingsViaCache(name.toCharArray());
if (fileSet != null) {
bindings= fileSet.filterFileLocalBindings(bindings);
}
return CPPSemantics.resolveAmbiguities(name, bindings);
} catch (CoreException e) {
CCorePlugin.log(e);
}
return null;
}
public IBinding[] getBindings(IASTName name, boolean resolve, boolean prefixLookup, IIndexFileSet fileSet) throws DOMException {
IBinding[] result = null;
try {
if (!prefixLookup) {
return getBindingsViaCache(name.toCharArray());
}
BindingCollector visitor= new BindingCollector(getLinkageImpl(), name.toCharArray(), IndexFilter.ALL_DECLARED_OR_IMPLICIT, prefixLookup, !prefixLookup);
getIndex().accept(visitor);
IBinding[] bindings = visitor.getBindings();
if (fileSet != null) {
bindings= fileSet.filterFileLocalBindings(bindings);
}
result = (IBinding[]) ArrayUtil.addAll(IBinding.class, result, bindings);
} catch (CoreException e) {
CCorePlugin.log(e);
}
return (IBinding[]) ArrayUtil.trim(IBinding.class, result);
}
private IBinding[] getBindingsViaCache(final char[] name) throws CoreException {
final String key= pdom.createKeyForCache(record, name);
IBinding[] result= (IBinding[]) pdom.getCachedResult(key);
if (result != null) {
return result;
}
BindingCollector visitor = new BindingCollector(getLinkageImpl(), name, null, false, true);
getIndex().accept(visitor);
result = visitor.getBindings();
pdom.putCachedResult(key, result);
return result;
}
public boolean isFullyCached() throws DOMException {
return true;
}
public boolean mayHaveChildren() {
return true;
}
public IBinding[] getMemberBindings() throws DOMException {
IBinding[] result = null;
final List<PDOMNode> preresult = new ArrayList<PDOMNode>();
try {
getIndex().accept(new IBTreeVisitor() {
public int compare(int record) throws CoreException {
return 0;
}
public boolean visit(int record) throws CoreException {
preresult.add(getLinkageImpl().getNode(record));
return true;
}
});
result = preresult.toArray(new IBinding[preresult.size()]);
} catch(CoreException ce) {
CCorePlugin.log(ce);
}
return result;
}
public void addUsingDirective(IASTNode directive) throws DOMException {fail();}
public IIndexBinding getScopeBinding() {
return this;
}
public ICPPDelegate createDelegate(ICPPUsingDeclaration usingDecl) {
return new CPPNamespace.CPPNamespaceDelegate(usingDecl, this);
}
}
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