Moving the work from Sam Robb part of PR 52864, this

is is only the Core part, UI is still pending.

core/org.eclipse.cdt.core/ChangeLog

@@ -1,3 +1,19 @@
+2004-04-23 Alain Magloire
+
+	Moving the work from Sam Robb part of PR 52864, this
+	is is only the Core part, UI is still pending.
+
+	* model/org/eclipse/cdt/core/model/CoreModel.java
+	* model/org/eclipse/cdt/core/model/ITranslationUnit.java
+	* model/org/eclipse/cdt/internal/core/model/BinaryRunner.java
+	* model/org/eclipse/cdt/internal/core/model/CContainer.java
+	* model/org/eclipse/cdt/internal/core/model/CModel.java
+	* model/org/eclipse/cdt/internal/core/model/CModelBuilder.java
+	* model/org/eclipse/cdt/internal/core/model/CModelInfo.java
+	* model/org/eclipse/cdt/internal/core/model/CModelManager.java
+	* model/org/eclipse/cdt/internal/core/model/DeltaProcessor.java
+	* model/org/eclipse/cdt/internal/core/model/PathEntryManager.java
+
 2004-04-21 Alain Magloire
 
 	Added support for Base Reference Attribute in the PathEntry

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/CoreModel.java

@@ -3,7 +3,14 @@ package org.eclipse.cdt.core.model;
 /*
  * (c) Copyright QNX Software Systems Ltd. 2002. All Rights Reserved.
  */
+import java.util.ArrayList;
+
+import org.eclipse.cdt.core.CCProjectNature;
 import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.CProjectNature;
+import org.eclipse.cdt.core.filetype.ICFileType;
+import org.eclipse.cdt.core.filetype.ICFileTypeAssociation;
+import org.eclipse.cdt.core.filetype.ICFileTypeResolver;
 import org.eclipse.cdt.internal.core.model.BatchOperation;
 import org.eclipse.cdt.internal.core.model.CModel;
 import org.eclipse.cdt.internal.core.model.CModelManager;
@@ -53,7 +60,6 @@ public class CoreModel {
 	 */
 	public ICElement create(IFile file) {
 		return manager.create(file, null);
-
 	}
 
 	/**
@@ -104,91 +110,171 @@ public class CoreModel {
 	 * Return true if IFile is a shared library, i.e. libxx.so
 	 */
 	public boolean isSharedLib(IFile file) {
-		return manager.isSharedLib(file);
+		ICElement celement = create(file);
+		if (celement instanceof IBinary) {
+			return ((IBinary)celement).isSharedLib();
+		}
+		return false;
 	}
 
 	/**
 	 * Return true if IFile is a an object(ELF), i.e. *.o
 	 */
 	public boolean isObject(IFile file) {
-		return manager.isObject(file);
+		ICElement celement = create(file);
+		if (celement instanceof IBinary) {
+			return ((IBinary)celement).isObject();
+		}
+		return false;
 	}
 
 	/**
 	 * Return true if IFile is an ELF executable
 	 */
 	public boolean isExecutable(IFile file) {
-		return manager.isExecutable(file);
+		ICElement celement = create(file);
+		if (celement instanceof IBinary) {
+			return ((IBinary)celement).isExecutable();
+		}
+		return false;
 	}
 
 	/**
 	 * Return true if IFile is an ELF.
 	 */
 	public boolean isBinary(IFile file) {
-		return manager.isBinary(file);
+		ICElement celement = create(file);
+		return (celement instanceof IBinary);
 	}
 
 	/**
 	 * Return true if IFile is an Achive, *.a
 	 */
 	public boolean isArchive(IFile file) {
-		return manager.isArchive(file);
+		ICElement celement = create(file);
+		return(celement instanceof IArchive);
 	}
 
 	/**
 	 * Return true if IFile is a TranslationUnit.
 	 */
-	public boolean isTranslationUnit(IFile file) {
-		return manager.isTranslationUnit(file);
+	public static boolean isTranslationUnit(IFile file) {
+		if (file != null) {
+			ICFileType type = CCorePlugin.getDefault().getFileType(file.getProject(), file.getName());
+			return type.isTranslationUnit();
+		}
+		return false;
 	}
 
 	/**
 	 * Return true if name is a valid name for a translation unit.
 	 */
-	public boolean isValidTranslationUnitName(String name) {
-		return manager.isValidTranslationUnitName(name);
+	public static boolean isValidTranslationUnitName(String name) {
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileType type = resolver.getFileType(name);
+		return type.isTranslationUnit();
+	}
+
+	/**
+	 * Return true if name is a valid name for a translation unit.
+	 */
+	public static boolean isValidHeaderUnitName(String name) {
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileType type = resolver.getFileType(name);
+		return type.isHeader();
+	}
+
+	/**
+	 * Return true if name is a valid name for a translation unit.
+	 */
+	public static boolean isValidSourceUnitName(String name) {
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileType type = resolver.getFileType(name);
+		return type.isSource();
 	}
 
 	/**
 	 * Return the list of headers extensions.
 	 */
 	public String[] getHeaderExtensions() {
-		return manager.getHeaderExtensions();
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileTypeAssociation[] associations = resolver.getFileTypeAssociations();
+		ArrayList list = new ArrayList(associations.length);
+		for (int i = 0; i < associations.length; i++) {
+			ICFileType type = associations[i].getType();
+			if (type.isHeader()) {
+				list.add(associations[i].getPattern());
+			}
+		}
+		String[] exts = new String[list.size()];
+		list.toArray(exts);
+		return exts;
 	}
 
 	/**
 	 * Returns the list of source extensions.
 	 */
 	public String[] getSourceExtensions() {
-		return manager.getSourceExtensions();
-	}
-
-	/**
-	 * Returns the list of assembly file extensions.
-	 */
-	public String[] getAssemblyExtensions() {
-		return manager.getAssemblyExtensions();
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileTypeAssociation[] associations = resolver.getFileTypeAssociations();
+		ArrayList list = new ArrayList(associations.length);
+		for (int i = 0; i < associations.length; i++) {
+			ICFileType type = associations[i].getType();
+			if (type.isSource()) {
+				list.add(associations[i].getPattern());
+			}
+		}
+		String[] exts = new String[list.size()];
+		list.toArray(exts);
+		return exts;
 	}
 
 	/**
 	 * Returns the list of headers and sources extensions
 	 */
 	public String[] getTranslationUnitExtensions() {
-		return manager.getTranslationUnitExtensions();
+		ICFileTypeResolver resolver = CCorePlugin.getDefault().getFileTypeResolver();
+		ICFileTypeAssociation[] associations = resolver.getFileTypeAssociations();
+		ArrayList list = new ArrayList(associations.length);
+		for (int i = 0; i < associations.length; i++) {
+			ICFileType type = associations[i].getType();
+			if (type.isTranslationUnit()) {
+				list.add(associations[i].getPattern());
+			}
+		}
+		String[] exts = new String[list.size()];
+		list.toArray(exts);
+		return exts;
 	}
 
 	/**
 	 * Return true if project has C nature.
 	 */
-	public boolean hasCNature(IProject project) {
-		return manager.hasCNature(project);
+	public static boolean hasCNature(IProject project) {
+		boolean ok = false;
+		try {
+			ok = (project.isOpen() && project.hasNature(CProjectNature.C_NATURE_ID));
+		} catch (CoreException e) {
+			//throws exception if the project is not open.
+			//System.out.println (e);
+			//e.printStackTrace();
+		}
+		return ok;
 	}
 
 	/**
 	 * Return true if project has C++ nature.
 	 */
-	public boolean hasCCNature(IProject project) {
-		return manager.hasCCNature(project);
+	public static boolean hasCCNature(IProject project) {
+		boolean ok = false;
+		try {
+			ok = (project.isOpen() && project.hasNature(CCProjectNature.CC_NATURE_ID));
+		} catch (CoreException e) {
+			//throws exception if the project is not open.
+			//System.out.println (e);
+			//e.printStackTrace();
+		}
+		return ok;
 	}
 
 	/**

core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/ITranslationUnit.java

@@ -203,6 +203,39 @@ public interface ITranslationUnit extends ICElement, IParent, IOpenable, ISource
 	 *		exception occurs while accessing its corresponding resource
 	 */
 	IUsing[] getUsings() throws CModelException;
+
+	/**
+	 * True if its a header.
+	 * @return boolean
+	 */
+	boolean isHeaderUnit();
+
+	/**
+	 * True it is a source file.
+	 * @return boolean
+	 */
+	boolean isSourceUnit();
+
+	/**
+	 * True if the code is C
+	 * @return
+	 */
+	boolean isCLanguage();
+
+	/**
+	 * True if the code is C++
+	 * 
+	 * @return
+	 */
+	boolean isCXXLanguage();
+
+	/**
+	 * True if assembly
+	 * 
+	 * @return
+	 */
+	boolean isASMLanguage();
+
 	/**
 	 * Returns a new working copy for the Translation Unit.
 	 * @return IWorkingCopy
@@ -219,7 +252,8 @@ public interface ITranslationUnit extends ICElement, IParent, IOpenable, ISource
 	 * Checks if this is a working copy.
 	 * @return boolean
 	 */
-	boolean isWorkingCopy();	
+	boolean isWorkingCopy();
+
 	/**
 	 * parse()
 	 * returns a map of all new elements and their element info

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/BinaryRunner.java

@@ -7,6 +7,7 @@ package org.eclipse.cdt.internal.core.model;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
 import org.eclipse.cdt.core.model.CModelException;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.ElementChangedEvent;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.ICModel;
@@ -105,7 +106,7 @@ public class BinaryRunner {
 		CModelManager factory = CModelManager.getDefault();
 		// Attempt to speed things up by rejecting up front
 		// Things we know should not be Binary files.
-		if (!factory.isTranslationUnit(file)) {
+		if (!CoreModel.isTranslationUnit(file)) {
 			IBinaryFile bin = factory.createBinaryFile(file);
 			if (bin != null) {
 				// Create the file will add it to the {Archive,Binary}Containery.

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CContainer.java

@@ -11,6 +11,7 @@ import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryArchive;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
 import org.eclipse.cdt.core.model.CModelException;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.IArchive;
 import org.eclipse.cdt.core.model.IBinary;
 import org.eclipse.cdt.core.model.ICContainer;
@@ -226,7 +227,7 @@ public class CContainer extends Openable implements ICContainer {
 			case IResource.FILE :
 				{
 					IFile file = (IFile) resource;
-					if (factory.isTranslationUnit(file)) {
+					if (CoreModel.isTranslationUnit(file)) {
 						celement = new TranslationUnit(this, file);
 					} else if (cproject.isOnOutputEntry(file)) {
 						IBinaryParser.IBinaryFile bin = factory.createBinaryFile(file);

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModel.java

@@ -9,6 +9,7 @@ import java.util.List;
 import java.util.Map;
 
 import org.eclipse.cdt.core.model.CModelException;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.ICModel;
 import org.eclipse.cdt.core.model.ICProject;
@@ -207,7 +208,7 @@ public class CModel extends Openable implements ICModel {
 		IProject[] projects = root.getProjects();
 		for (int i = 0, max = projects.length; i < max; i++) {
 			IProject project = projects[i];
-			if (factory.hasCNature(project) || factory.hasCCNature(project)) {
+			if (CoreModel.hasCNature(project) || CoreModel.hasCCNature(project)) {
 				ICProject cproject = new CProject(this, project);
 				info.addChild(cproject);
 			}

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModelBuilder.java

@@ -89,7 +89,7 @@ public class CModelBuilder {
 		// check the project's nature
 		if( currentProject != null )
 		{
-			hasCppNature = CoreModel.getDefault().hasCCNature(currentProject);
+			hasCppNature = CoreModel.hasCCNature(currentProject);
 		}
 		// get the code to parse
 		try{

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModelInfo.java

@@ -1,5 +1,6 @@
 package org.eclipse.cdt.internal.core.model;
 
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.ResourcesPlugin;
 
@@ -33,7 +34,7 @@ public class CModelInfo extends OpenableInfo {
 		int index = 0;
 		for (int i = 0; i < length; i++) {
 			IProject project = projects[i];
-			if (!(mgr.hasCNature(project) || mgr.hasCCNature(project))) {
+			if (!(CoreModel.hasCNature(project) || CoreModel.hasCCNature(project))) {
 				if (nonCProjects == null) {
 					nonCProjects = new Object[length];
 				}

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModelManager.java

@@ -26,9 +26,8 @@ import org.eclipse.cdt.core.IBinaryParser.IBinaryArchive;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
 import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
 import org.eclipse.cdt.core.model.CModelException;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.ElementChangedEvent;
-import org.eclipse.cdt.core.model.IArchive;
-import org.eclipse.cdt.core.model.IBinary;
 import org.eclipse.cdt.core.model.ICContainer;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.ICElementDelta;
@@ -156,7 +155,6 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 	 */
 	public ICModel getCModel(IWorkspaceRoot root) {
 		return getCModel();
-		//return create(root);
 	}
 
 	public CModel getCModel() {
@@ -269,7 +267,7 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 						cfolder = cfolder.getCContainer(segments[j]);
 					}
 					
-					if (isValidTranslationUnitName(fileName)) {
+					if (CoreModel.isValidTranslationUnitName(fileName)) {
 						celement = cfolder.getTranslationUnit(fileName);
 					} else if (cproject.isOnOutputEntry(file)) {
 						IBinaryFile bin = createBinaryFile(file);
@@ -558,123 +556,7 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 		}
 	}
 	
-	public boolean isSharedLib(IFile file) {
-		ICElement celement = create(file, null);
-		if (celement instanceof IBinary) {
-			return ((IBinary)celement).isSharedLib();
-		}
-		return false;
-	}
-
-	public boolean isObject(IFile file) {
-		ICElement celement = create(file, null);
-		if (celement instanceof IBinary) {
-			return ((IBinary)celement).isObject();
-		}
-		return false;
-	}
-
-	public boolean isExecutable(IFile file) {
-		ICElement celement = create(file, null);
-		if (celement instanceof IBinary) {
-			return ((IBinary)celement).isExecutable();
-		}
-		return false;
-	}
-
-	public boolean isBinary(IFile file) {
-		ICElement celement = create(file, null);
-		return (celement instanceof IBinary);
-	}
-
-	public boolean isArchive(IFile file) {
-		ICElement celement = create(file, null);
-		return(celement instanceof IArchive);
-	}
-
-	public boolean isTranslationUnit(IFile file) {
-		return file != null && isValidTranslationUnitName(file.getName());
-	}
-
-	public boolean isSourceUnit(IFile file) {
-		return file != null && isValidSourceUnitName(file.getName());
-	}
-
-	public boolean isHeaderUnit(IFile file) {
-		return file != null && isValidHeaderUnitName(file.getName());
-	}
-
-	public boolean isAssemblyUnit(IFile file) {
-		return file != null && isValidAssemblyUnitName(file.getName());
-	}
-
-	public boolean isValidTranslationUnitName(String name){
-		if (name == null) {
-			return false;
-		}
-		int index = name.lastIndexOf('.');
-		if (index == -1) {
-			return false;
-		}
-		String ext = name.substring(index + 1);
-		String[] cexts = getTranslationUnitExtensions();
-		for (int i = 0; i < cexts.length; i++) {
-			if (ext.equals(cexts[i]))
-				return true;
-		}
-		return false;
-	}
-	
-	public boolean isValidSourceUnitName(String name){
-		if (name == null) {
-			return false;
-		}
-		int index = name.lastIndexOf('.');
-		if (index == -1) {
-			return false;
-		}
-		String ext = name.substring(index + 1);
-		String[] cexts = getSourceExtensions();
-		for (int i = 0; i < cexts.length; i++) {
-			if (ext.equals(cexts[i]))
-				return true;
-		}
-		return false;
-	}
-
-	public boolean isValidHeaderUnitName(String name){
-		if (name == null) {
-			return false;
-		}
-		int index = name.lastIndexOf('.');
-		if (index == -1) {
-			return false;
-		}
-		String ext = name.substring(index + 1);
-		String[] cexts = getHeaderExtensions();
-		for (int i = 0; i < cexts.length; i++) {
-			if (ext.equals(cexts[i]))
-				return true;
-		}
-		return false;
-	}
-
-	public boolean isValidAssemblyUnitName(String name){
-		if (name == null) {
-			return false;
-		}
-		int index = name.lastIndexOf('.');
-		if (index == -1) {
-			return false;
-		}
-		String ext = name.substring(index + 1);
-		String[] cexts = getAssemblyExtensions();
-		for (int i = 0; i < cexts.length; i++) {
-			if (ext.equals(cexts[i]))
-				return true;
-		}
-		return false;
-	}
+/*
 
 	public String[] getHeaderExtensions() {
 		return headerExtensions;
@@ -698,33 +580,8 @@ public class CModelManager implements IResourceChangeListener, ICDescriptorListe
 		System.arraycopy(asm, 0, cexts, sources.length + headers.length, asm.length);
 		return cexts;
 	}
-
-	/* Only project with C nature and Open.  */
-	public boolean hasCNature (IProject p) {
-		boolean ok = false;
-		try {
-			ok = (p.isOpen() && p.hasNature(CProjectNature.C_NATURE_ID));
-		} catch (CoreException e) {
-			//throws exception if the project is not open.
-			//System.out.println (e);
-			//e.printStackTrace();
-		}
-		return ok;
-	}
-
-	/* Only project with C++ nature and Open.  */
-	public boolean hasCCNature (IProject p) {
-		boolean ok = false;
-		try {
-			ok = (p.isOpen() && p.hasNature(CCProjectNature.CC_NATURE_ID));
-		} catch (CoreException e) {
-			//throws exception if the project is not open.
-			//System.out.println (e);
-			//e.printStackTrace();
-		}
-		return ok;
-	}
-
+*/
+	
 	public BinaryRunner getBinaryRunner(ICProject project) {
 		BinaryRunner runner = null;
 		synchronized(binaryRunners) {

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/DeltaProcessor.java

@@ -63,7 +63,7 @@ public class DeltaProcessor {
 		// Check for C nature or if the was a CNature
 		if (!(resource instanceof IWorkspaceRoot)) {
 			IProject project = resource.getProject();
-			if (!(manager.hasCNature(project) || manager.hasCCNature(project))) {
+			if (!(CoreModel.hasCNature(project) || CoreModel.hasCCNature(project))) {
 				shouldProcess = false;
 				CModel root = manager.getCModel();
 				CModelInfo rootInfo = (CModelInfo)manager.peekAtInfo(root);
@@ -384,7 +384,7 @@ public class DeltaProcessor {
 		// ensure the project has a C nature (if open)
 		IProject project = resource.getProject();
 		if (project.isOpen()) {
-			return CoreModel.getDefault().hasCNature(project);
+			return CoreModel.hasCNature(project);
 		}
 		return false;
 	}

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/PathEntryManager.java

@@ -229,7 +229,7 @@ public class PathEntryManager implements ICDescriptorListener {
 
 	public IPathEntry[] getRawPathEntries(ICProject cproject) throws CModelException {
 		CModelManager factory = CModelManager.getDefault();
-		if (!(factory.hasCNature(cproject.getProject()) || factory.hasCCNature(cproject.getProject()))) {
+		if (!(CoreModel.hasCNature(cproject.getProject()) || CoreModel.hasCCNature(cproject.getProject()))) {
 			return NO_PATHENTRIES;
 		}
 		ArrayList pathEntries = new ArrayList();
@@ -884,7 +884,7 @@ public class PathEntryManager implements ICDescriptorListener {
 			if (cdesc != null) {
 				CModelManager manager = CModelManager.getDefault();
 				IProject project = cdesc.getProject();
-				if (manager.hasCNature(project) || manager.hasCCNature(project)) {
+				if (CoreModel.hasCNature(project) || CoreModel.hasCCNature(project)) {
 					ICProject cproject = manager.create(project);
 					try {
 						IPathEntry[] oldResolvedEntries = getResolvedPathEntries(cproject);

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/TranslationUnit.java

@@ -11,7 +11,10 @@ import java.util.Iterator;
 import java.util.Map;
 
 import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.filetype.ICFileType;
+import org.eclipse.cdt.core.filetype.ICFileTypeConstants;
 import org.eclipse.cdt.core.model.CModelException;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.IBuffer;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.IInclude;
@@ -23,6 +26,7 @@ import org.eclipse.cdt.core.model.ITranslationUnit;
 import org.eclipse.cdt.core.model.IUsing;
 import org.eclipse.cdt.core.model.IWorkingCopy;
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
@@ -510,5 +514,49 @@ public class TranslationUnit extends Openable implements ITranslationUnit {
 		}
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.model.ITranslationUnit#isHeaderUnit()
+	 */
+	public boolean isHeaderUnit() {
+		return CoreModel.isValidHeaderUnitName(getPath().lastSegment());
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.model.ITranslationUnit#isSourceUnit()
+	 */
+	public boolean isSourceUnit() {
+		return CoreModel.isValidSourceUnitName(getPath().lastSegment());
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.model.ITranslationUnit#isCLanguage()
+	 */
+	public boolean isCLanguage() {
+		IProject project = getCProject().getProject();
+		ICFileType type = CCorePlugin.getDefault().getFileType(project, getPath().lastSegment());
+		String lid = type.getLanguageId();
+		return lid != null && lid.equals(ICFileTypeConstants.LANG_C);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.model.ITranslationUnit#isCXXLanguage()
+	 */
+	public boolean isCXXLanguage() {
+		IProject project = getCProject().getProject();
+		ICFileType type = CCorePlugin.getDefault().getFileType(project, getPath().lastSegment());
+		String lid = type.getLanguageId();
+		return lid != null && lid.equals(ICFileTypeConstants.LANG_CXX);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.core.model.ITranslationUnit#isASMLanguage()
+	 */
+	public boolean isASMLanguage() {
+		IProject project = getCProject().getProject();
+		ICFileType type = CCorePlugin.getDefault().getFileType(project, getPath().lastSegment());
+		String lid = type.getLanguageId();
+		return lid != null && lid.equals(ICFileTypeConstants.LANG_ASM);
+	}
+
 	
 }