Bug 316076. Added IFunction.isNoReturn() method.

Change-Id: Idfa2aa067e9c956b9a990980797a41277a84cc58
Reviewed-on: https://git.eclipse.org/r/5584
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
IP-Clean: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/CFunctionTests.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2008 IBM Corporation.
+ * Copyright (c) 2006, 2012 IBM Corporation.
  * 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
@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.pdom.tests;
 
@@ -74,6 +75,12 @@ public class CFunctionTests extends PDOMTestBase {
 		assertTrue(((IFunction) bindings[0]).takesVarArgs());
 	}
 
+	public void testNoReturnCFunction() throws Exception {
+		IBinding[] bindings = findQualifiedName(pdom, "noReturnCFunction");
+		assertEquals(1, bindings.length);
+		assertTrue(((IFunction) bindings[0]).isNoReturn());
+	}
+
 	public void testKnRStyleFunctionWithProblemParameters() throws Exception {
 		IBinding[] bindings = findQualifiedName(pdom, "KnRfunctionWithProblemParameters");
 		assertEquals(1, bindings.length);

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/CPPFunctionTests.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2010 IBM Corporation.
+ * Copyright (c) 2006, 2012 IBM Corporation.
  * 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.pdom.tests;
 
@@ -38,7 +39,6 @@ import org.eclipse.core.runtime.CoreException;
  */
 public class CPPFunctionTests extends PDOMTestBase {
 	protected ICProject project;
-
 	protected PDOM pdom;
 
 	public static Test suite() {
@@ -144,6 +144,12 @@ public class CPPFunctionTests extends PDOMTestBase {
 		assertTrue(((ICPPFunction) bindings[0]).takesVarArgs());
 	}
 
+	public void testNoReturnCPPFunction() throws Exception {
+		IBinding[] bindings = findQualifiedName(pdom, "noReturnCPPFunction");
+		assertEquals(1, bindings.length);
+		assertTrue(((ICPPFunction) bindings[0]).isNoReturn());
+	}
+
 	public void testForwardDeclarationType() throws Exception {
 		assertType(pdom, "forwardDeclaration", ICPPFunction.class);		
 	}

core/org.eclipse.cdt.core.tests/resources/pdomtests/functionTests/modifiers.c

@@ -6,6 +6,7 @@ void varArgsCFunction(int p1, ...);
 const void constCFunction();
 volatile void volatileCFunction();
 void storageClassCFunction(register int p1, int p2);
+void noReturnCFunction() __attribute__((noreturn));
 
 void voidCFunction();
 int intCFunction();

core/org.eclipse.cdt.core.tests/resources/pdomtests/functionTests/modifiers.cpp

@@ -4,6 +4,7 @@ static int staticCPPFunction(double p1);
 extern float externCPPFunction(int p1);
 inline void inlineCPPFunction(long p1);
 void varArgsCPPFunction(int p1, ...);
+void noReturnCPPFunction() __attribute__((noreturn));
 
 void voidCPPFunction();
 int intCPPFunction();

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IFunction.java

@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     Doug Schaefer (IBM) - Initial API and implementation
+ *     Sergey Prigogin (Google) 
  *******************************************************************************/
 package org.eclipse.cdt.core.dom.ast;
 
@@ -51,4 +52,11 @@ public interface IFunction extends IBinding {
 	 * Returns {@code true} if this function takes variable arguments.
 	 */
 	public boolean takesVarArgs();
+
+	/**
+	 * Returns {@code true} if this function never returns. Based on 'noreturn' attribute in
+	 * the function declaration.
+	 * @since 5.4
+	 */
+	public boolean isNoReturn();
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTName.java

@@ -23,6 +23,7 @@ import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.ICompositeType;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
+import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.dom.Linkage;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.IASTInternalNameOwner;
@@ -33,7 +34,6 @@ import org.eclipse.cdt.internal.core.dom.parser.IASTInternalNameOwner;
 public class CASTName extends ASTNode implements IASTName, IASTCompletionContext {
     private final char[] name;
 
-    private static final char[] EMPTY_CHAR_ARRAY = {};
     private static final String EMPTY_STRING = ""; //$NON-NLS-1$
 
     private IBinding binding;
@@ -43,7 +43,7 @@ public class CASTName extends ASTNode implements IASTName, IASTCompletionContext
     }
 
     public CASTName() {
-        name = EMPTY_CHAR_ARRAY;
+        name = CharArrayUtils.EMPTY_CHAR_ARRAY;
     }
 
     @Override
@@ -107,7 +107,7 @@ public class CASTName extends ASTNode implements IASTName, IASTCompletionContext
 
     @Override
 	public String toString() {
-        if (name == EMPTY_CHAR_ARRAY)
+        if (name == CharArrayUtils.EMPTY_CHAR_ARRAY)
             return EMPTY_STRING;
         return new String(name);
     }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
+ * Copyright (c) 2004, 2012 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     IBM Rational Software - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.c;
 
@@ -34,6 +35,7 @@ import org.eclipse.cdt.core.dom.ast.gnu.c.ICASTKnRFunctionDeclarator;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.dom.Linkage;
+import org.eclipse.cdt.internal.core.dom.parser.ASTAttribute;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
 import org.eclipse.core.runtime.PlatformObject;
 
@@ -48,7 +50,7 @@ public class CFunction extends PlatformObject implements IFunction, ICInternalFu
 	private static final int RESOLUTION_IN_PROGRESS = 1 << 1;
 	private int bits = 0;
 
-	protected IFunctionType type = null;
+	protected IFunctionType type;
 
 	public CFunction(IASTDeclarator declarator) {
 		storeDeclarator(declarator);
@@ -469,12 +471,12 @@ public class CFunction extends PlatformObject implements IFunction, ICInternalFu
 	}
 
 	@Override
-	public IASTNode[] getDeclarations() {
+	public IASTDeclarator[] getDeclarations() {
 		return declarators;
 	}
 
 	@Override
-	public IASTNode getDefinition() {
+	public IASTFunctionDeclarator getDefinition() {
 		return definition;
 	}
 
@@ -482,4 +484,25 @@ public class CFunction extends PlatformObject implements IFunction, ICInternalFu
 	public IBinding getOwner() {
 		return null;
 	}
+
+	@Override
+	public boolean isNoReturn() {
+		IASTFunctionDeclarator dtor = getPreferredDtor();
+		return dtor != null && ASTAttribute.hasNoreturnAttribute(dtor);
+	}
+
+	protected IASTFunctionDeclarator getPreferredDtor() {
+		IASTFunctionDeclarator dtor = getDefinition();
+        if (dtor != null)
+        	return dtor;
+
+        IASTDeclarator[] dtors = getDeclarations();
+        if (dtors != null) {
+        	for (IASTDeclarator declarator : dtors) {
+        		if (declarator instanceof IASTFunctionDeclarator)
+        			return (IASTFunctionDeclarator) declarator;
+        	}
+        }
+        return null;
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
+ * Copyright (c) 2004, 2012 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     Andrew Niefer (IBM Corporation) - initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
@@ -45,6 +46,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.internal.core.dom.Linkage;
+import org.eclipse.cdt.internal.core.dom.parser.ASTAttribute;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
@@ -593,4 +595,10 @@ public class CPPFunction extends PlatformObject implements ICPPFunction, ICPPInt
 		ICPPParameter[] pars= getParameters();
 		return pars.length > 0 && pars[pars.length - 1].isParameterPack();
 	}
+
+	@Override
+	public boolean isNoReturn() {
+		ICPPASTFunctionDeclarator dtor = getPreferredDtor();
+		return dtor != null && ASTAttribute.hasNoreturnAttribute(dtor);
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionSpecialization.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2010 IBM Corporation and others.
+ * Copyright (c) 2005, 2012 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
@@ -9,6 +9,7 @@
  *     Andrew Niefer (IBM) - Initial API and implementation
  *     Bryan Wilkinson (QNX)
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
@@ -210,6 +211,14 @@ public class CPPFunctionSpecialization extends CPPSpecialization implements ICPP
         return false;
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		ICPPFunction f = (ICPPFunction) getSpecializedBinding();
+		if (f != null)
+			return f.isNoReturn();
+        return false;
+	}
+
     @Override
 	public IBinding resolveParameter(CPPParameter param) {
 		int pos= param.getParameterPosition();

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionTemplate.java

@@ -8,6 +8,7 @@
  * Contributors:
  *     Andrew Niefer (IBM) - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
@@ -35,6 +36,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
+import org.eclipse.cdt.internal.core.dom.parser.ASTAttribute;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
 import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
@@ -338,6 +340,15 @@ public class CPPFunctionTemplate extends CPPTemplateDefinition
         return false;
     }
 
+    @Override
+	public boolean isNoReturn() {
+    	ICPPASTFunctionDeclarator fdecl= getFirstFunctionDtor();
+    	if (fdecl != null) {
+    		return ASTAttribute.hasNoreturnAttribute(fdecl);
+    	}
+        return false;
+    }
+
 	private IASTDeclarator getDeclaratorByName(IASTNode node) {
 		// Skip qualified names and nested declarators.
     	while (node != null) {

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPNamespace.java

@@ -69,8 +69,6 @@ public class CPPNamespace extends PlatformObject implements ICPPNamespace, ICPPI
 		}
     }
 
-	private static final char[] EMPTY_CHAR_ARRAY = {};
-
 	IASTName[] namespaceDefinitions;
 	ICPPNamespaceScope scope;
 	ICPPASTTranslationUnit tu;
@@ -251,7 +249,7 @@ public class CPPNamespace extends PlatformObject implements ICPPNamespace, ICPPI
 	 */
 	@Override
 	public char[] getNameCharArray() {
-		return tu != null ? EMPTY_CHAR_ARRAY : namespaceDefinitions[0].getSimpleID();
+		return tu != null ? CharArrayUtils.EMPTY_CHAR_ARRAY : namespaceDefinitions[0].getSimpleID();
 	}
 
 	/* (non-Javadoc)

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2010 Wind River Systems, Inc. and others.
+ * Copyright (c) 2008, 2012 Wind River Systems, Inc. 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
@@ -107,6 +107,11 @@ public class CPPUnknownFunction extends CPPUnknownBinding implements ICPPFunctio
 		return false;
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		return false;
+	}
+
 	@Override
 	public int getRequiredArgumentCount() {
 		return 0;

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AutoTypeResolver.java

@@ -167,4 +167,9 @@ class AutoTypeResolver implements ICPPFunctionTemplate {
 	public boolean isGloballyQualified() throws DOMException {
 		throw new UnsupportedOperationException(UNEXPECTED_CALL);
 	}
+
+	@Override
+	public boolean isNoReturn() {
+		throw new UnsupportedOperationException(UNEXPECTED_CALL);
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2010 Symbian Software Systems and others.
+ * Copyright (c) 2007, 2012 Symbian 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
@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     Andrew Ferguson (Symbian) - Initial implementation
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.c;
 
@@ -74,4 +75,9 @@ class CompositeCFunction extends CompositeCBinding implements IFunction {
 	public boolean takesVarArgs() {
 		return ((IFunction) rbinding).takesVarArgs();
 	}
+
+	@Override
+	public boolean isNoReturn() {
+		return ((IFunction) rbinding).isNoReturn();
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2010 Symbian Software Systems and others.
+ * Copyright (c) 2007, 2012 Symbian 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     Andrew Ferguson (Symbian) - Initial implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.cpp;
 
@@ -91,6 +92,11 @@ class CompositeCPPFunction extends CompositeCPPBinding implements ICPPFunction {
 		return ((ICPPFunction) rbinding).takesVarArgs();
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		return ((ICPPFunction) rbinding).isNoReturn();
+	}
+
 	@Override
 	public int getRequiredArgumentCount() {
 		return ((ICPPFunction) rbinding).getRequiredArgumentCount();

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner/CPreprocessor.java

@@ -84,7 +84,6 @@ public class CPreprocessor implements ILexerLog, IScanner, IAdaptable {
 	private static final int ORIGIN_PREPROCESSOR_DIRECTIVE = OffsetLimitReachedException.ORIGIN_PREPROCESSOR_DIRECTIVE;
 	private static final int ORIGIN_INACTIVE_CODE = OffsetLimitReachedException.ORIGIN_INACTIVE_CODE;
 	
-    private static final char[] EMPTY_CHAR_ARRAY = new char[0];
     private static final char[] ONE = "1".toCharArray(); //$NON-NLS-1$
 
 
@@ -392,7 +391,7 @@ public class CPreprocessor implements ILexerLog, IScanner, IAdaptable {
 	}
 
 	private char[] nonNull(char[] array) {
-		return array == null ? EMPTY_CHAR_ARRAY : array;
+		return array == null ? CharArrayUtils.EMPTY_CHAR_ARRAY : array;
 	}
 
     private void configureIncludeSearchPath(File directory, IScannerInfo info) {

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCAnnotation.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2010 IBM Corporation.
+ * Copyright (c) 2006, 2012 IBM Corporation.
  * 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.c;
 
@@ -30,6 +31,7 @@ public class PDOMCAnnotation {
 	public static final int REGISTER_OFFSET = 3;
 	public static final int STATIC_OFFSET = 4;
 	public static final int VARARGS_OFFSET = 5;
+	public static final int NO_RETURN = 6;
 
 	// CV qualifiers
 	public static final int CONST_OFFSET = 0;
@@ -46,19 +48,20 @@ public class PDOMCAnnotation {
 		byte modifiers = 0;
 		if (binding instanceof IVariable) {
 			IVariable variable = (IVariable) binding;
-			modifiers |= (variable.isAuto() ? 1 : 0) << PDOMCAnnotation.AUTO_OFFSET;
+			modifiers |= (variable.isAuto() ? 1 : 0) << AUTO_OFFSET;
-			modifiers |= (variable.isExtern() ? 1 : 0) << PDOMCAnnotation.EXTERN_OFFSET;
+			modifiers |= (variable.isExtern() ? 1 : 0) << EXTERN_OFFSET;
-			modifiers |= (variable.isRegister() ? 1 : 0) << PDOMCAnnotation.REGISTER_OFFSET;
+			modifiers |= (variable.isRegister() ? 1 : 0) << REGISTER_OFFSET;
-			modifiers |= (variable.isStatic() ? 1 : 0) << PDOMCAnnotation.STATIC_OFFSET;
+			modifiers |= (variable.isStatic() ? 1 : 0) << STATIC_OFFSET;
 		}
 		if (binding instanceof IFunction) {
 			IFunction function = (IFunction) binding;
-			modifiers |= (function.isAuto() ? 1 : 0) << PDOMCAnnotation.AUTO_OFFSET;
+			modifiers |= (function.isAuto() ? 1 : 0) << AUTO_OFFSET;
-			modifiers |= (function.isExtern() ? 1 : 0) << PDOMCAnnotation.EXTERN_OFFSET;
+			modifiers |= (function.isExtern() ? 1 : 0) << EXTERN_OFFSET;
-			modifiers |= (function.isRegister() ? 1 : 0) << PDOMCAnnotation.REGISTER_OFFSET;
+			modifiers |= (function.isRegister() ? 1 : 0) << REGISTER_OFFSET;
-			modifiers |= (ASTInternal.isStatic(function, false) ? 1 : 0) << PDOMCAnnotation.STATIC_OFFSET;
+			modifiers |= (ASTInternal.isStatic(function, false) ? 1 : 0) << STATIC_OFFSET;
-			modifiers |= (function.isInline() ? 1 : 0) << PDOMCAnnotation.INLINE_OFFSET;
+			modifiers |= (function.isInline() ? 1 : 0) << INLINE_OFFSET;
-			modifiers |= (function.takesVarArgs() ? 1 : 0) << PDOMCAnnotation.VARARGS_OFFSET;
+			modifiers |= (function.takesVarArgs() ? 1 : 0) << VARARGS_OFFSET;
+			modifiers |= (function.isNoReturn() ? 1 : 0) << NO_RETURN;
 		}
 		return modifiers;
 	}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2010 QNX Software Systems and others.
+ * Copyright (c) 2006, 2012 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
@@ -10,6 +10,7 @@
  *     IBM Corporation
  *     Andrew Ferguson (Symbian)
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.c;
 
@@ -196,6 +197,11 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 		return getBit(getByte(record + ANNOTATIONS), PDOMCAnnotation.VARARGS_OFFSET);
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		return getBit(getByte(record + ANNOTATIONS), PDOMCAnnotation.NO_RETURN);
+	}
+
 	@Override
 	public IScope getFunctionScope() {
 		return null;

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunction.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2011 QNX Software Systems and others.
+ * Copyright (c) 2005, 2012 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
@@ -9,6 +9,7 @@
  *     Doug Schaefer (QNX) - Initial API and implementation
  *     IBM Corporation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
@@ -347,6 +348,11 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 		return getBit(getAnnotation(), PDOMCAnnotation.VARARGS_OFFSET);
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		return getBit(getAnnotation(), PDOMCAnnotation.NO_RETURN);
+	}
+
 	@Override
 	public boolean hasParameterPack() {
 		return getBit(getAnnotation(), ANNOT_PARAMETER_PACK);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2011 QNX Software Systems and others.
+ * Copyright (c) 2007, 2012 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
@@ -8,6 +8,7 @@
  * Contributors:
  *     Bryan Wilkinson (QNX) - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
@@ -244,6 +245,11 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 		return getBit(readAnnotation(), PDOMCAnnotation.VARARGS_OFFSET);
 	}
 
+	@Override
+	public boolean isNoReturn() {
+		return getBit(readAnnotation(), PDOMCAnnotation.NO_RETURN);
+	}
+
 	@Override
 	public int getRequiredArgumentCount() {
 		if (fRequiredArgCount == -1) {

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/Scribe.java

@@ -19,6 +19,7 @@ import java.util.List;
 
 import org.eclipse.cdt.core.formatter.DefaultCodeFormatterConstants;
 import org.eclipse.cdt.core.formatter.DefaultCodeFormatterOptions;
+import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.formatter.align.Alignment;
 import org.eclipse.cdt.internal.formatter.align.AlignmentException;
 import org.eclipse.cdt.internal.formatter.scanner.Scanner;
@@ -35,7 +36,6 @@ import org.eclipse.text.edits.TextEdit;
  */
 public class Scribe {
 	private static final String EMPTY_STRING= ""; //$NON-NLS-1$
-	private static final char[] EMPTY_CHAR_ARRAY= {};
 	private static final String SPACE= " "; //$NON-NLS-1$
 
 	private static final int INITIAL_SIZE= 100;
@@ -105,7 +105,7 @@ public class Scribe {
 		int currentIndentation;
 		int indentation;
 		int lines;
-		char[] leadingSpaces = EMPTY_CHAR_ARRAY;
+		char[] leadingSpaces = CharArrayUtils.EMPTY_CHAR_ARRAY;
 	}
 	final LineComment lastLineComment = new LineComment();
 
@@ -1082,7 +1082,7 @@ public class Scribe {
 		boolean hasComment= false;
 		boolean hasLineComment= false;
 		boolean hasWhitespace= false;
-		char[] whiteSpaces= EMPTY_CHAR_ARRAY;
+		char[] whiteSpaces= CharArrayUtils.EMPTY_CHAR_ARRAY;
 		int lines= 0;
 		while ((currentToken= scanner.nextToken()) != null) {
 			if (skipOverInactive) {
@@ -1243,7 +1243,7 @@ public class Scribe {
 					lastLineComment.leadingSpaces = whiteSpaces;
 					lastLineComment.lines = lines;
 				}
-				whiteSpaces= EMPTY_CHAR_ARRAY;
+				whiteSpaces= CharArrayUtils.EMPTY_CHAR_ARRAY;
 				hasWhitespace= false;
 				printLineComment();
 				currentTokenStartPosition= scanner.getCurrentPosition();
@@ -1260,7 +1260,7 @@ public class Scribe {
 				} else if (hasWhitespace) {
 					space();
 				}
-				whiteSpaces= EMPTY_CHAR_ARRAY;
+				whiteSpaces= CharArrayUtils.EMPTY_CHAR_ARRAY;
 				hasWhitespace= false;
 				printBlockComment(false);
 				currentTokenStartPosition= scanner.getCurrentPosition();
@@ -1280,7 +1280,7 @@ public class Scribe {
 						// printNewLine(scanner.getCurrentTokenStartPosition());
 					}
 				}
-				whiteSpaces= EMPTY_CHAR_ARRAY;
+				whiteSpaces= CharArrayUtils.EMPTY_CHAR_ARRAY;
 				hasWhitespace= false;
 				printPreprocessorDirective();
 				printNewLine();

lrparser/org.eclipse.cdt.core.lrparser/old/org/eclipse/cdt/internal/core/dom/lrparser/c99/bindings/C99Function.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2008 IBM Corporation and others.
+ * Copyright (c) 2006, 2012 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
@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
+ *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.lrparser.c99.bindings;
 
@@ -34,6 +35,7 @@ public class C99Function extends PlatformObject implements IC99Binding, IFunctio
 	private boolean isRegister;
 	private boolean isStatic;
 	private boolean isVarArgs;
+	private boolean isNoReturn;
 	
 	// the scope that the function is in (must be the global scope, no?)
 	private IScope scope;
@@ -117,6 +119,14 @@ public class C99Function extends PlatformObject implements IC99Binding, IFunctio
 		this.isVarArgs = isVarArgs;
 	}
 
+	public boolean isNoReturn() {
+		return isNoReturn;
+	}
+
+	public void setNoReturn(boolean isNoReturn) {
+		this.isNoReturn = isNoReturn;
+	}
+
 	public ILinkage getLinkage() {
 		return Linkage.C_LINKAGE;
 	}