1. Tool-chain modification functionality fixes

2. setProjectDescription enhancements
2. other bug-fixes

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ManagedBuildManager.java

@@ -3556,7 +3556,7 @@ public class ManagedBuildManager extends AbstractCExtension implements IScannerI
 		return null;
 	}
 */	
-	private static final boolean TEST_CONSISTANCE = false;
+	private static final boolean TEST_CONSISTANCE = true;
 
 	public static IConfiguration getConfigurationForDescription(ICConfigurationDescription cfgDes){
 		return getConfigurationForDescription(cfgDes, TEST_CONSISTANCE);
@@ -3660,8 +3660,8 @@ public class ManagedBuildManager extends AbstractCExtension implements IScannerI
 	private static ICConfigurationDescription getDescriptionForConfiguration(IConfiguration cfg, boolean checkConsistance){
 		ICConfigurationDescription des = ((Configuration)cfg).getConfigurationDescription();
 		if(des == null){
-			if(checkConsistance)
+//			if(checkConsistance)
-				throw new IllegalStateException();
+//				throw new IllegalStateException();
 			if(((Configuration)cfg).isPreference()){
 				try {
 					des = CCorePlugin.getDefault().getPreferenceConfiguration(CFG_DATA_PROVIDER_ID);

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Configuration.java

@@ -2707,12 +2707,20 @@ public class Configuration extends BuildObject implements IConfiguration, IBuild
 		if(newBuilder.getParent() == tc){
 			newCfgBuilder = (Builder)newBuilder;
 		} else {
+			IBuilder curReal = ManagedBuildManager.getRealBuilder(cur);
+			IBuilder newReal = ManagedBuildManager.getRealBuilder(newBuilder);
+			if(newReal != curReal){
 				IBuilder extBuilder = newBuilder;
 				for(;extBuilder != null && !extBuilder.isExtensionElement(); extBuilder = extBuilder.getSuperClass());
 				if(extBuilder == null)
 					extBuilder = newBuilder;
+				
 				newCfgBuilder = new Builder(tc, extBuilder, id, name, false);
 				newCfgBuilder.copySettings(cur, allBuildSettings);
+			}
+		}
+		
+		if(newCfgBuilder != null){
 			tc.setBuilder(newCfgBuilder);
 		}
 	}

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/FolderInfo.java

@@ -15,6 +15,7 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -738,8 +739,12 @@ public class FolderInfo extends ResourceInfo implements IFolderInfo {
 	}
 
 	public IToolChain changeToolChain(IToolChain newSuperClass, String Id, String name) throws BuildException{
-		IConfigurationElement el = getToolChainConverterElement(newSuperClass);
+		IToolChain curReal = ManagedBuildManager.getRealToolChain(toolChain);
+		IToolChain newReal = ManagedBuildManager.getRealToolChain(newSuperClass);
+		
+		if(newReal != curReal){
 			ToolChain oldToolChain = toolChain;
+			IConfigurationElement el = getToolChainConverterElement(newSuperClass);
 			ITool oldTools[] = oldToolChain.getTools();
 			
 			if(el != null){
@@ -749,7 +754,7 @@ public class FolderInfo extends ResourceInfo implements IFolderInfo {
 			}
 			
 			BuildSettingsUtil.disconnectDepentents(getParent(), oldTools);
-		
+		}
 		return toolChain;
 	}
 		
@@ -796,7 +801,37 @@ public class FolderInfo extends ResourceInfo implements IFolderInfo {
 		return null;
 	}
 	
+	private ITool[][] checkDups(ITool[] removed, ITool[] added){
+		LinkedHashMap removedMap = createRealMap(removed);
+		LinkedHashMap addedMap = createRealMap(added);
+		LinkedHashMap rmCopy = (LinkedHashMap)removedMap.clone();
+		
+		removedMap.keySet().removeAll(addedMap.keySet());
+		addedMap.keySet().removeAll(rmCopy.keySet());
+		ITool[][] result = new Tool[2][];
+		result[0] = (Tool[])removedMap.values().toArray(new Tool[removedMap.size()]);
+		result[1] = (Tool[])addedMap.values().toArray(new Tool[addedMap.size()]);
+		return result;
+	}
+	
+	private LinkedHashMap createRealMap(ITool[] tools){
+		LinkedHashMap map = new LinkedHashMap();
+		for(int i = 0; i < tools.length; i++){
+			Tool realTool = (Tool)ManagedBuildManager.getRealTool(tools[i]);
+			Object key = realTool.getMatchKey();
+			map.put(key, tools[i]);
+		}
+		
+		return map;
+	}
+	
 	public void modifyToolChain(ITool[] removed, ITool[] added){
+		ITool[][] checked = checkDups(removed, added);
+		removed = checked[0];
+		added = checked[1];
+		if(added.length == 0 && removed.length == 0)
+			return;
+		
 		List remainingRemoved = new ArrayList();
 		List remainingAdded = new ArrayList();
 		Map converterMap = calculateConverterTools(removed, added, remainingRemoved, remainingAdded);

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/ConfigurationDataProvider.java

@@ -449,7 +449,7 @@ public class ConfigurationDataProvider extends CConfigurationDataProvider implem
 			CConfigurationData data,
 			IProgressMonitor monitor) {
 		BuildConfigurationData cfgData = (BuildConfigurationData)data;
-		((Configuration)cfgData.getConfiguration()).setConfigurationDescription(null);
+		((Configuration)cfgData.getConfiguration()).setConfigurationDescription(cfgDes);
 		cfgData.clearCachedData();
 	}
 

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/dataprovider/EntryStorage.java

@@ -37,13 +37,13 @@ import org.eclipse.cdt.managedbuilder.internal.dataprovider.SettingsSet.SettingL
 
 public class EntryStorage {
 	private int fKind;
-	private SettingsSet fSettings;
+//	private SettingsSet fSettings;
 //	private EntryListMap fDiscoveredEntries = new EntryListMap();
 //	private EntryListMap fUserEntries = new EntryListMap();
 //	private ICLanguageSettingEntry fEntries[];
 	private BuildLanguageData fLangData;
-	private boolean fCacheInited;
+//	private boolean fCacheInited;
-	private boolean fUserValuesInited;
+//	private boolean fUserValuesInited;
 	
 	private static final String EMPTY_STRING = new String();
 
@@ -57,15 +57,15 @@ public class EntryStorage {
 	}
 	
 	void optionsChanged(){
-		fUserValuesInited = false;
+//		fUserValuesInited = false;
 	}
 	
 	public List getEntries(List list){
-		initCache();
+		SettingsSet settings = initCache();
 		if(list == null)
 			list = new ArrayList();
 		
-		ICLanguageSettingEntry entries[] = fSettings.getEntries();
+		ICLanguageSettingEntry entries[] = settings.getEntries();
 		list.addAll(Arrays.asList(entries));
 //		for(Iterator iter = fUserEntries.getIterator(); iter.hasNext();){
 //			EntryInfo info = (EntryInfo)iter.next();
@@ -102,7 +102,7 @@ public class EntryStorage {
 	}
 	
 	private void resetCache(){
-		fCacheInited = false;
+//		fCacheInited = false;
 	}
 
 	public void setEntries(ICLanguageSettingEntry entries[]){
@@ -110,9 +110,9 @@ public class EntryStorage {
 			resetDefaults();
 			return;
 		}
-		initCache();
+		SettingsSet settings = initCache();
 		
-		fSettings.applyEntries(entries);
+		settings.applyEntries(entries);
 //		ArrayList userList = new ArrayList();
 //		Map discoveredMap = fDiscoveredEntries.getEntryInfoMap();
 //		boolean discoveredReadOnly = isDiscoveredEntriesReadOnly();
@@ -134,7 +134,7 @@ public class EntryStorage {
 //			info.makeOverridden(false);
 //		}
 		
-		SettingLevel level = fSettings.getLevels()[0];
+		SettingLevel level = settings.getLevels()[0];
 		IOption options[] = fLangData.getOptionsForKind(fKind);
 		if(options.length != 0){
 			ICLanguageSettingEntry usrEntries[] = level.getEntries();
@@ -174,7 +174,7 @@ public class EntryStorage {
 		}
 	}
 	
-	private void initCache(){
+	private SettingsSet initCache(){
 //		if(fCacheInited){
 //			if(!fUserValuesInited){
 //				for(Iterator iter = fDiscoveredEntries.getIterator(); iter.hasNext();){
@@ -186,9 +186,9 @@ public class EntryStorage {
 //			}
 //			
 //		} else {
-			fSettings = createEmptySettings();
+			SettingsSet settings = createEmptySettings();
-			SettingLevel levels[] = fSettings.getLevels();
+			SettingLevel levels[] = settings.getLevels();
-			fCacheInited = true;
+//			fCacheInited = true;
 			DiscoveredEntry[] dEntries = fLangData.getDiscoveredEntryValues(fKind);
 			addEntries(levels[2], dEntries);
 			
@@ -199,7 +199,9 @@ public class EntryStorage {
 			addEntries(levels[0], dEntries);
 			levels[0].fOverrideSet = getUserUndefinedStringSet(); 
 			
-			fSettings.adjustOverrideState();
+			settings.adjustOverrideState();
+			
+			return settings;
 ////			fDiscoveredEntries.clear();
 //			boolean readOnly = isDiscoveredEntriesReadOnly();
 //			if(dEntries.length != 0){

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/CDataProxyContainer.java

@@ -94,10 +94,13 @@ public abstract class CDataProxyContainer extends CDataProxy implements ICDataPr
 		if(provider == null)
 			throw new IllegalStateException();
 
+		provider.invalidateCache();
+
 		CDataProxy proxies[] = provider.getCachedProxies();
 		for(int i = 0; i < proxies.length; i++){
 			proxies[i].setRescan(true);
 		}
+		
 	}
 
 	public ICSettingObject getChildSettingById(String id) {

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/CProjectDescription.java

@@ -15,8 +15,12 @@ import java.util.Iterator;
 import java.util.Map;
 
 import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.settings.model.ICBuildSetting;
 import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
+import org.eclipse.cdt.core.settings.model.ICFolderDescription;
+import org.eclipse.cdt.core.settings.model.ICLanguageSetting;
 import org.eclipse.cdt.core.settings.model.ICProjectDescription;
+import org.eclipse.cdt.core.settings.model.ICResourceDescription;
 import org.eclipse.cdt.core.settings.model.ICSettingBase;
 import org.eclipse.cdt.core.settings.model.ICSettingContainer;
 import org.eclipse.cdt.core.settings.model.ICSettingObject;
@@ -27,6 +31,7 @@ import org.eclipse.cdt.core.settings.model.extension.CConfigurationData;
 import org.eclipse.cdt.core.settings.model.util.CSettingEntryFactory;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.QualifiedName;
 
 public class CProjectDescription implements ICProjectDescription, ICDataProxyContainer {
@@ -435,4 +440,22 @@ public class CProjectDescription implements ICProjectDescription, ICDataProxyCon
 	public void removeStorage(String id) throws CoreException {
 		getStorageBase().removeStorage(id);
 	}
+	
+	void switchToCachedAppliedData(CProjectDescription appliedCache){
+		if(fIsReadOnly)
+			return;
+		
+		ICConfigurationDescription[] cfgs = appliedCache.getConfigurations();
+		for(int i = 0; i < cfgs.length; i++){
+			CConfigurationDescriptionCache cfgCache = (CConfigurationDescriptionCache)cfgs[i];
+			CConfigurationDescription des = (CConfigurationDescription)getChildSettingById(cfgCache.getId());
+			if(des != null){
+				des.setData(cfgCache);
+//				ICResourceDescription rcDes = des.getResourceDescription(new Path("dd"), false);
+//				rcDes = des.getResourceDescription(new Path("dd"), false);
+//				ICBuildSetting bs = des.getBuildSetting();
+//				ICLanguageSetting lss[] = ((ICFolderDescription)rcDes).getLanguageSettings();
+			}
+		}
+	}
 }

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/IProxyProvider.java

@@ -29,6 +29,8 @@ public interface IProxyProvider {
 	CDataProxy[] getCachedProxies();
 	
 	void cacheValues();
+	
+	void invalidateCache();
 /*
 	CDataProxy[] getProxies(Class arrayElClass);
 

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/ProxyProvider.java

@@ -125,4 +125,10 @@ public class ProxyProvider implements IProxyProvider {
 			fProxiesCached = true;
 		}
 	}
+
+	public void invalidateCache() {
+		fProxiesCached = false;
+	}
+	
+	
 }

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/SetCProjectDescriptionOperation.java

@@ -53,9 +53,12 @@ public class SetCProjectDescriptionOperation extends CModelOperation {
 		}
 
 		CProjectDescription fNewDescriptionCache = new CProjectDescription(fSetDescription, true, el);
+		try {
 			mngr.setDescriptionApplying(project, fNewDescriptionCache);
 			fNewDescriptionCache.applyDatas();
+		} finally {
 			mngr.clearDescriptionApplying(project);
+		}
 		
 		
 		ICDescriptionDelta delta = mngr.createDelta(fNewDescriptionCache, fOldDescriptionCache);
@@ -71,6 +74,9 @@ public class SetCProjectDescriptionOperation extends CModelOperation {
 		}
 
 		mngr.setLoaddedDescription(project, fNewDescriptionCache, true);
+		
+		fSetDescription.switchToCachedAppliedData(fNewDescriptionCache);
+		
 		CompositeWorkspaceRunnable runnable = new CompositeWorkspaceRunnable(SettingsModelMessages.getString("SetCProjectDescriptionOperation.0")); //$NON-NLS-1$
 		
 		try {