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https://github.com/eclipse-cdt/cdt
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Implementation of IScannerInof on top of IPathEntry.
This commit is contained in:
Alain Magloire
parent
775e82edd0
commit
d46e5977ea
3 changed files with 276 additions and 0 deletions
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2004-03-23 Alain Magloire
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An implementation of IScannerInfoProvider on top
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of the IPathEntry.
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* src/org/eclipse/cdt/core/resources/ScannerInfo.java
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* src/org/eclipse/cdt/core/resources/ScannerInfoProvider.java
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2004-03-23 Alain Magloire
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2004-03-23 Alain Magloire
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Show the objects on the IOuputEntry path should
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Show the objects on the IOuputEntry path should
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/**********************************************************************
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* Copyright (c) 2002,2003 QNX Software Systems and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Common Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/cpl-v10.html
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*
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* Contributors:
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* QNX Software Systems - Initial API and implementation
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***********************************************************************/
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package org.eclipse.cdt.core.resources;
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import java.util.Collections;
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import java.util.Map;
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import org.eclipse.cdt.core.parser.IScannerInfo;
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public class ScannerInfo implements IScannerInfo {
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private Map macroMap;
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private String[] includePaths;
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final static String[] EMPTY_ARRAY_STRING = new String[0];
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protected ScannerInfo() {
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}
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protected ScannerInfo(String[] includePaths, Map macroMap) {
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this.includePaths = includePaths;
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this.macroMap = macroMap;
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}
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public synchronized void setIncludePaths(String[] paths) {
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includePaths = paths;
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}
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public synchronized void setDefinedSymbols(Map map) {
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macroMap = map;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.cdt.core.build.managed.IScannerInfo#getIncludePaths()
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*/
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public synchronized String[] getIncludePaths() {
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if (includePaths == null) {
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return EMPTY_ARRAY_STRING;
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}
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return includePaths;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.cdt.core.build.managed.IScannerInfo#getIncludePaths()
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*/
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public synchronized Map getDefinedSymbols() {
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if (macroMap == null) {
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return Collections.EMPTY_MAP;
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}
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return macroMap;
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}
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}
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@ -0,0 +1,204 @@
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/**********************************************************************
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* Copyright (c) 2002,2003 QNX Software Systems and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Common Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/cpl-v10.html
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*
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* Contributors:
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* QNX Software Systems - Initial API and implementation
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***********************************************************************/
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package org.eclipse.cdt.core.resources;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.ListIterator;
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import java.util.Map;
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import org.eclipse.cdt.core.model.CModelException;
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import org.eclipse.cdt.core.model.CoreModel;
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import org.eclipse.cdt.core.model.ElementChangedEvent;
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import org.eclipse.cdt.core.model.ICElement;
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import org.eclipse.cdt.core.model.ICElementDelta;
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import org.eclipse.cdt.core.model.ICProject;
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import org.eclipse.cdt.core.model.IElementChangedListener;
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import org.eclipse.cdt.core.model.IIncludeEntry;
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import org.eclipse.cdt.core.model.IMacroEntry;
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import org.eclipse.cdt.core.model.IPathEntry;
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import org.eclipse.cdt.core.parser.IScannerInfo;
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import org.eclipse.cdt.core.parser.IScannerInfoChangeListener;
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import org.eclipse.cdt.core.parser.IScannerInfoProvider;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IResource;
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import org.eclipse.core.runtime.IPath;
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public class ScannerProvider implements IScannerInfoProvider, IElementChangedListener {
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// Listeners interested in build model changes
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private static Map listeners;
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// Map of the cache scannerInfos
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/*
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* @return
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*/
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private synchronized static Map getListeners() {
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if (listeners == null) {
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listeners = new HashMap();
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}
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return listeners;
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}
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/**
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* @param project
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* @param info
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*/
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private static void notifyInfoListeners(IProject project, IScannerInfo info) {
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// Call in the cavalry
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List listeners = (List)getListeners().get(project);
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if (listeners == null) {
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return;
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}
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ListIterator iter = listeners.listIterator();
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while (iter.hasNext()) {
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((IScannerInfoChangeListener)iter.next()).changeNotification(project, info);
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.cdt.core.parser.IScannerInfoProvider#getScannerInformation(org.eclipse.core.resources.IResource)
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*/
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public IScannerInfo getScannerInformation(IResource resource) {
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IPath resPath = resource.getFullPath();
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ICProject cproject = CoreModel.getDefault().create(resource.getProject());
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ScannerInfo info = new ScannerInfo();
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try {
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if (cproject != null) {
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ArrayList includeList = new ArrayList();
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Map symbolMap = new HashMap();
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IPathEntry[] entries = cproject.getResolvedPathEntries();
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for (int i = 0; i < entries.length; i++) {
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int kind = entries[i].getEntryKind();
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if (kind == IPathEntry.CDT_INCLUDE) {
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IIncludeEntry include = (IIncludeEntry)entries[i];
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IPath entryPath = include.getPath();
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if (entryPath.equals(resPath) ||
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entryPath.isPrefixOf(resPath) && include.isExported()) {
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includeList.add(include.getIncludePath().toOSString());
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}
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} else if (kind == IPathEntry.CDT_MACRO) {
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IMacroEntry macro = (IMacroEntry)entries[i];
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IPath entryPath = macro.getPath();
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if (entryPath.equals(resPath) ||
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entryPath.isPrefixOf(resPath) && macro.isExported()) {
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String name = macro.getMacroName();
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if (name != null && name.length() > 0) {
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String value = macro.getMacroValue();
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if (value == null) {
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value = new String();
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}
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symbolMap.put(name, value);
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}
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}
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}
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}
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info.setDefinedSymbols(symbolMap);
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info.setIncludePaths((String[])includeList.toArray());
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}
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} catch (CModelException e) {
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//
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}
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return info;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.cdt.core.parser.IScannerInfoProvider#subscribe(org.eclipse.core.resources.IResource,
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* org.eclipse.cdt.core.parser.IScannerInfoChangeListener)
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*/
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public synchronized void subscribe(IResource resource, IScannerInfoChangeListener listener) {
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if (resource == null || listener == null) {
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return;
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}
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IProject project = resource.getProject();
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// Get listeners for this resource
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Map map = getListeners();
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List list = (List)map.get(project);
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if (list == null) {
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// Create a new list
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list = new ArrayList();
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map.put(project, list);
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}
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if (!list.contains(listener)) {
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// Add the new listener for the resource
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list.add(listener);
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.cdt.core.parser.IScannerInfoProvider#unsubscribe(org.eclipse.core.resources.IResource,
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* org.eclipse.cdt.core.parser.IScannerInfoChangeListener)
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*/
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public synchronized void unsubscribe(IResource resource, IScannerInfoChangeListener listener) {
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if (resource == null || listener == null) {
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return;
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}
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IProject project = resource.getProject();
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// Remove the listener
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Map map = getListeners();
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List list = (List)map.get(project);
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if (list != null && !list.isEmpty()) {
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// The list is not empty so try to remove listener
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list.remove(listener);
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}
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}
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/* (non-Javadoc)
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* @see org.eclipse.cdt.core.model.IElementChangedListener#elementChanged(org.eclipse.cdt.core.model.ElementChangedEvent)
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*/
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public void elementChanged(ElementChangedEvent event) {
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try {
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processDelta(event.getDelta());
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} catch(CModelException e) {
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}
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}
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protected boolean isPathEntryChange(ICElementDelta delta) {
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int flags= delta.getFlags();
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return (delta.getKind() == ICElementDelta.CHANGED &&
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((flags & ICElementDelta.F_CHANGED_PATHENTRY_INCLUDE) != 0 ||
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(flags & ICElementDelta.F_CHANGED_PATHENTRY_MACRO) != 0 ||
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(flags & ICElementDelta.F_PATHENTRY_REORDER) !=0));
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}
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/**
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* Processes a delta recursively.
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*/
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protected void processDelta(ICElementDelta delta) throws CModelException {
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int kind= delta.getKind();
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int flags= delta.getFlags();
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ICElement element= delta.getElement();
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if (isPathEntryChange(delta)) {
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IResource res = element.getResource();
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IProject project = element.getCProject().getProject();
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if (res == null) {
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res = project;
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}
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IScannerInfo info = getScannerInformation(res);
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notifyInfoListeners(project, info);
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}
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ICElementDelta[] affectedChildren= delta.getAffectedChildren();
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for (int i= 0; i < affectedChildren.length; i++) {
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processDelta(affectedChildren[i]);
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}
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}
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}
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