Bug 407497, Bug 399454 - Specialize template parameters when appropriate

Change-Id: Iff52b04319234ca8e5fe0f9b23d5d1787cee4449
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
Reviewed-on: https://git.eclipse.org/r/14533
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/core/parser/tests/ast2/AST2TemplateTests.java

@@ -6411,6 +6411,34 @@ public class AST2TemplateTests extends AST2TestBase {
 		parseAndCheckBindings();
 	}
 	
+	//	struct N {
+	//	    int node;
+	//	};
+	//
+	//	template <typename T>
+	//	struct List {
+	//	    template <int T::*>
+	//	    struct Base {};
+	//	};
+	//
+	//	List<N>::Base<&N::node> base;
+	public void testDependentTemplateParameterInNestedTemplate_407497() throws Exception {
+		parseAndCheckBindings();
+	}
+	
+	//	template <typename T>
+	//	struct enclosing {
+	//	    template <typename U = T>
+	//	    struct nested {
+	//	        typedef U type;
+	//	    };
+	//	};
+	//
+	//	typedef enclosing<int>::nested<>::type waldo;
+	public void testDependentTemplateParameterInNestedTemplate_399454() throws Exception {
+		parseAndCheckBindings();
+	}
+
 	//	class Memory { };
 	//	Memory memory;
 	//	template<Memory* m> struct Container {

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java

@@ -2322,4 +2322,46 @@ public class IndexCPPTemplateResolutionTest extends IndexBindingResolutionTestBa
 	public void testSpecializationRedefinition_409444() throws Exception {
 		checkBindings();
 	}
+	
+	//	struct N {
+	//	    int node;
+	//	};
+	//
+	//	template <typename T>
+	//	struct List {
+	//	    template <int T::*>
+	//	    struct Base {};
+	//	};
+	
+	//	List<N>::Base<&N::node> base;
+	public void testDependentTemplateParameterInNestedTemplate_407497() throws Exception {
+		checkBindings();
+	}
+	
+	//	template <typename T>
+	//	struct enclosing {
+	//	    template <typename U = T>
+	//	    struct nested {
+	//	        typedef U type;
+	//	    };
+	//	};
+	
+	//	typedef enclosing<int>::nested<>::type waldo;
+	public void testDependentTemplateParameterInNestedTemplate_399454() throws Exception {
+		checkBindings();
+	}
+	
+	//	void f(int);
+	//
+	//	template <typename... Args>
+	//	struct A
+	//	{
+	//	    template <typename R = decltype(f(Args()...))>
+	//	    static R foo();
+	//	};
+
+	//	typedef decltype(A<int>::foo<>()) waldo;
+	public void testNPE_407497() throws Exception {
+		checkBindings();
+	}
 }

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2011 IBM Corporation and others.
+ * Copyright (c) 2005, 2013 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 @@
  *    IBM - Initial API and implementation
  *    Bryan Wilkinson (QNX)
  *    Markus Schorn (Wind River Systems)
+ *    Nathan Ridge
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
@@ -19,7 +20,6 @@ import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassSpecialization;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
@@ -36,19 +36,25 @@ public class CPPClassTemplateSpecialization extends CPPClassSpecialization
 	private ObjectMap instances = null;
 	private ICPPDeferredClassInstance fDeferredInstance;
 	private ICPPClassTemplatePartialSpecialization[] fPartialSpecs;
+	private ICPPTemplateParameter[] fTemplateParameters;
 
-	public CPPClassTemplateSpecialization(ICPPClassTemplate orig, ICPPClassType owner, ICPPTemplateParameterMap argumentMap) {
+	public CPPClassTemplateSpecialization(ICPPClassTemplate orig, ICPPClassSpecialization owner, 
+			ICPPTemplateParameterMap argumentMap) {
 		super(orig, owner, argumentMap);
 	}
 	
+	public void setTemplateParameters(ICPPTemplateParameter[] templateParameters) {
+		fTemplateParameters = templateParameters;
+	}
+
 	@Override
 	public ICPPClassTemplatePartialSpecialization[] getPartialSpecializations() {
 		if (fPartialSpecs == null) {
 			IASTNode point= null; // Instantiation of dependent expressions may not work.
-			ICPPClassTemplate origTemplate= (ICPPClassTemplate) getSpecializedBinding();
+			ICPPClassTemplate origTemplate= getSpecializedBinding();
 			ICPPClassTemplatePartialSpecialization[] orig = origTemplate.getPartialSpecializations();
 			ICPPClassTemplatePartialSpecialization[] spec = new ICPPClassTemplatePartialSpecialization[orig.length];
-			ICPPClassSpecialization owner = (ICPPClassSpecialization) getOwner();
+			ICPPClassSpecialization owner = getOwner();
 			for (int i = 0; i < orig.length; i++) {
 				spec[i]= (ICPPClassTemplatePartialSpecialization) owner.specializeMember(orig[i], point);
 			}
@@ -59,10 +65,7 @@ public class CPPClassTemplateSpecialization extends CPPClassSpecialization
 
 	@Override
 	public ICPPTemplateParameter[] getTemplateParameters() {
-		// mstodo if we specialize the template parameters (because of its default values), it will
+		return fTemplateParameters;
-		// be less error prone to use the defaults.
-		ICPPClassTemplate template = (ICPPClassTemplate) getSpecializedBinding();
-		return template.getTemplateParameters();
 	}
 
 	@Override
@@ -120,4 +123,14 @@ public class CPPClassTemplateSpecialization extends CPPClassSpecialization
 	public ICPPTemplateArgument getDefaultArgFromIndex(int paramPos) throws DOMException {
 		return null;
 	}
+	
+	@Override
+	public ICPPClassSpecialization getOwner() {
+		return (ICPPClassSpecialization) super.getOwner();
+	}
+	
+	@Override
+	public ICPPClassTemplate getSpecializedBinding() {
+		return (ICPPClassTemplate) super.getSpecializedBinding();
+	}
 }

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

@@ -12,7 +12,7 @@
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
 import org.eclipse.cdt.core.dom.ast.IType;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassSpecialization;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
@@ -24,7 +24,7 @@ public class CPPConstructorTemplateSpecialization extends CPPMethodTemplateSpeci
 		implements ICPPConstructor {
 	
 	public CPPConstructorTemplateSpecialization(ICPPConstructor original,
-			ICPPClassType owner, ICPPTemplateParameterMap tpmap, ICPPFunctionType type, IType[] exceptionSpecs) {
+			ICPPClassSpecialization owner, ICPPTemplateParameterMap tpmap, ICPPFunctionType type, IType[] exceptionSpecs) {
 		super(original, owner, tpmap, type, exceptionSpecs);
 	}
 }

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2012 IBM Corporation and others.
+ * Copyright (c) 2005, 2013 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
@@ -9,14 +9,17 @@
  *     Andrew Niefer (IBM) - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
  *     Thomas Corbat (IFS)
+ *     Nathan Ridge
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassSpecialization;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
 
 /**
@@ -25,11 +28,22 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
 public class CPPMethodTemplateSpecialization extends CPPFunctionTemplateSpecialization 
 		implements ICPPMethod {
 	
-	public CPPMethodTemplateSpecialization(ICPPMethod specialized, ICPPClassType owner, 
+	private ICPPTemplateParameter[] fTemplateParameters;
+
+	public CPPMethodTemplateSpecialization(ICPPMethod specialized, ICPPClassSpecialization owner, 
 			ICPPTemplateParameterMap ctmap, ICPPFunctionType type, IType[] exceptionSpecs) {
 		super(specialized, owner, ctmap, type, exceptionSpecs);
 	}
 	
+	public void setTemplateParameters(ICPPTemplateParameter[] templateParameters) {
+		fTemplateParameters = templateParameters;
+	}
+
+	@Override
+	public ICPPTemplateParameter[] getTemplateParameters() {
+		return fTemplateParameters;
+	}
+
 	@Override
 	public boolean isVirtual() {
 		IBinding m = getSpecializedBinding();
@@ -48,7 +62,7 @@ public class CPPMethodTemplateSpecialization extends CPPFunctionTemplateSpeciali
 	
 	@Override
 	public ICPPClassType getClassOwner() {
-		return (ICPPClassType) getOwner();
+		return getOwner();
 	}
 
 	@Override
@@ -93,4 +107,9 @@ public class CPPMethodTemplateSpecialization extends CPPFunctionTemplateSpeciali
 	public boolean isFinal() {
 		return false;
 	}
+	
+	@Override
+	public ICPPClassSpecialization getOwner() {
+		return (ICPPClassSpecialization) super.getOwner();
+	}
 }

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

@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Nathan Ridge.
+ * 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:
+ *     Nathan Ridge
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core.dom.parser.cpp;
+
+import org.eclipse.cdt.core.dom.ast.IASTExpression;
+import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.IValue;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateNonTypeParameter;
+
+/**
+ * A specialization of a non-type template parameter. This is needed when a nested template
+ * has a non-type template parameter whose type or default value is dependent on a template
+ * parameter of an enclosing template.
+ * 
+ * This class can represent a specialization of either an AST or a PDOM template parameter.
+ */
+public class CPPTemplateNonTypeParameterSpecialization extends CPPTemplateParameterSpecialization
+		implements ICPPTemplateNonTypeParameter {
+	
+	private final IType fType;
+	
+	public CPPTemplateNonTypeParameterSpecialization(ICPPSpecialization owner, ICPPScope scope,
+			ICPPTemplateNonTypeParameter specialized, ICPPTemplateArgument defaultValue, IType type) {
+		super(owner, scope, specialized, defaultValue);
+		
+		this.fType = type;
+	}
+	
+	@Override
+	public ICPPTemplateNonTypeParameter getSpecializedBinding() {
+		return (ICPPTemplateNonTypeParameter) super.getSpecializedBinding();
+	}
+
+	@Override
+	public boolean isMutable() {
+		return false;
+	}
+
+	@Override
+	public boolean isExternC() {
+		return false;
+	}
+
+	@Override
+	public boolean isStatic() {
+		return false;
+	}
+	
+	@Override
+	public boolean isExtern() {
+		return false;
+	}
+	
+	@Override
+	public boolean isRegister() {
+		return false;
+	}
+	
+	@Override
+	public boolean isAuto() {
+		return false;
+	}
+	
+	@Override
+	public IType getType() {
+		return fType;
+	}
+
+	@Override
+	public IValue getInitialValue() {
+		return getDefaultValue().getNonTypeValue();
+	}
+
+	@Override
+	@Deprecated
+	public IASTExpression getDefault() {
+		return null;
+	}
+}

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

@@ -0,0 +1,130 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Nathan Ridge.
+ * 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:
+ *     Nathan Ridge
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core.dom.parser.cpp;
+
+import org.eclipse.cdt.core.dom.ILinkage;
+import org.eclipse.cdt.core.dom.ast.DOMException;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
+import org.eclipse.cdt.core.parser.util.ObjectMap;
+import org.eclipse.cdt.internal.core.dom.Linkage;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
+import org.eclipse.core.runtime.PlatformObject;
+
+/**
+ * A specialization of a template parameter.
+ * 
+ * This class provides common implementation for CPPTemplateNonTypeParameterSpecialization,
+ * CPPTemplateTypeParameterSpecialization, and CPPTemplateTemplateParameterSpecialization.
+ */
+public abstract class CPPTemplateParameterSpecialization extends PlatformObject
+		implements ICPPTemplateParameter, ICPPSpecialization {
+	
+	private final ICPPSpecialization fOwner;
+	private final ICPPScope fScope;
+	private final ICPPTemplateParameter fSpecialized;
+	private final ICPPTemplateParameterMap fTemplateParameterMap;
+	private final ICPPTemplateArgument fDefaultValue;
+	
+	public CPPTemplateParameterSpecialization(ICPPSpecialization owner, ICPPScope scope, ICPPTemplateParameter specialized, 
+			ICPPTemplateArgument defaultValue) {
+		fOwner = owner;
+		fScope = scope;
+		fSpecialized = specialized;
+		fTemplateParameterMap = owner.getTemplateParameterMap();
+		fDefaultValue = defaultValue;
+	}
+
+	@Override
+	public String[] getQualifiedName() throws DOMException {
+		return fSpecialized.getQualifiedName();
+	}
+
+	@Override
+	public char[][] getQualifiedNameCharArray() throws DOMException {
+		return fSpecialized.getQualifiedNameCharArray();
+	}
+
+	@Override
+	public boolean isGloballyQualified() throws DOMException {
+		return false;
+	}
+
+	@Override
+	public String getName() {
+		return fSpecialized.getName();
+	}
+
+	@Override
+	public char[] getNameCharArray() {
+		return fSpecialized.getNameCharArray();
+	}
+
+	@Override
+	public ILinkage getLinkage() {
+		return Linkage.CPP_LINKAGE;
+	}
+
+	@Override
+	public ICPPSpecialization getOwner() {
+		return fOwner;
+	}
+
+	@Override
+	public ICPPScope getScope() throws DOMException {
+		return fScope;
+	}
+
+	@Override
+	public ICPPTemplateParameter getSpecializedBinding() {
+		return fSpecialized;
+	}
+
+	@Override
+	public ICPPTemplateParameterMap getTemplateParameterMap() {
+		return fTemplateParameterMap;
+	}
+
+	@Override
+	@Deprecated
+	public ObjectMap getArgumentMap() {
+		return CPPTemplates.getArgumentMap(this, getTemplateParameterMap());
+	}
+
+	@Override
+	public short getParameterPosition() {
+		return fSpecialized.getParameterPosition();
+	}
+
+	@Override
+	public short getTemplateNestingLevel() {
+		return fSpecialized.getTemplateNestingLevel();
+	}
+
+	@Override
+	public int getParameterID() {
+		return fSpecialized.getParameterID();
+	}
+
+	@Override
+	public ICPPTemplateArgument getDefaultValue() {
+		return fDefaultValue;
+	}
+
+	@Override
+	public boolean isParameterPack() {
+		return fSpecialized.isParameterPack();
+	}
+
+}

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

@@ -0,0 +1,169 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Nathan Ridge.
+ * 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:
+ *     Nathan Ridge
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core.dom.parser.cpp;
+
+import org.eclipse.cdt.core.dom.ast.DOMException;
+import org.eclipse.cdt.core.dom.ast.IBinding;
+import org.eclipse.cdt.core.dom.ast.IField;
+import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.ITypedef;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPBase;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTemplateParameter;
+
+/**
+ * A specialization of a template template parameter. This is needed when a nested template
+ * has a template template parameter whose default value is dependent on a template
+ * parameter of an enclosing template.
+ * 
+ * This class can represent a specialization of either an AST or a PDOM template parameter.
+ */
+public class CPPTemplateTemplateParameterSpecialization extends CPPTemplateParameterSpecialization
+		implements ICPPTemplateTemplateParameter {
+
+	public CPPTemplateTemplateParameterSpecialization(ICPPSpecialization owner, ICPPScope scope,
+			ICPPTemplateTemplateParameter specialized, ICPPTemplateArgument defaultValue) {
+		super(owner, scope, specialized, defaultValue);
+	}
+	
+	@Override
+	public ICPPTemplateTemplateParameter getSpecializedBinding() {
+		return (ICPPTemplateTemplateParameter) super.getSpecializedBinding();
+	}
+
+	@Override
+	public ICPPClassTemplatePartialSpecialization[] getPartialSpecializations() {
+		return ICPPClassTemplatePartialSpecialization.EMPTY_PARTIAL_SPECIALIZATION_ARRAY;
+	}
+
+	@Override
+	public ICPPTemplateInstance asDeferredInstance() {
+		return null;
+	}
+
+	@Override
+	public ICPPBase[] getBases() {
+		return ICPPBase.EMPTY_BASE_ARRAY;
+	}
+	
+	@Override
+	public IField[] getFields() {
+		return IField.EMPTY_FIELD_ARRAY;
+	}
+	
+	@Override
+	public IField findField(String name) {
+		return null;
+	}
+	
+	@Override
+	public ICPPField[] getDeclaredFields() {
+		return ICPPField.EMPTY_CPPFIELD_ARRAY;
+	}
+	
+	@Override
+	public ICPPMethod[] getMethods() {
+		return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
+	}
+	
+	@Override
+	public ICPPMethod[] getAllDeclaredMethods() {
+		return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
+	}
+	
+	@Override
+	public ICPPMethod[] getDeclaredMethods() {
+		return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
+	}
+	
+	@Override
+	public ICPPConstructor[] getConstructors() {
+		return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
+	}
+	
+	@Override
+	public IBinding[] getFriends() {
+		return IBinding.EMPTY_BINDING_ARRAY;
+	}
+	
+	@Override
+	public ICPPClassType[] getNestedClasses() {
+		return ICPPClassType.EMPTY_CLASS_ARRAY;
+	}
+
+	@Override
+	public boolean isFinal() {
+		return false;
+	}
+
+	@Override
+	public int getVisibility(IBinding member) {
+		return getSpecializedBinding().getVisibility(member);
+	}
+
+	@Override
+	public int getKey() {
+		return 0;
+	}
+
+	@Override
+	public boolean isAnonymous() {
+		return false;
+	}
+
+	@Override
+	public IScope getCompositeScope() {
+		return null;
+	}
+
+	@Override
+	public ICPPTemplateParameter[] getTemplateParameters() {
+		return getSpecializedBinding().getTemplateParameters();
+	}
+
+	@Override
+	public IType getDefault() throws DOMException {
+		return getDefaultValue().getTypeValue();
+	}
+
+	@Override
+	public boolean isSameType(IType type) {
+		if (type == this)
+			return true;
+		if (type instanceof ITypedef)
+			return type.isSameType(this);
+		if (!(type instanceof ICPPTemplateTemplateParameter))
+			return false;
+
+		return getParameterID() == ((ICPPTemplateParameter) type).getParameterID();
+	}
+
+	@Override
+	public Object clone() {
+        Object o = null;
+   		try {
+            o = super.clone();
+        } catch (CloneNotSupportedException e) {
+            //not going to happen
+        }
+        return o;
+    }
+}

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

@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Nathan Ridge.
+ * 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:
+ *     Nathan Ridge
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core.dom.parser.cpp;
+
+import org.eclipse.cdt.core.dom.ast.DOMException;
+import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.ITypedef;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTypeParameter;
+
+/**
+ * A specialization of a type template parameter. This is needed when a nested template
+ * has a type template parameter whose default value is dependent on a template
+ * parameter of an enclosing template.
+ * 
+ * This class can represent a specialization of either an AST or a PDOM template parameter.
+ */
+public class CPPTemplateTypeParameterSpecialization extends CPPTemplateParameterSpecialization
+		implements ICPPTemplateTypeParameter {
+	
+	public CPPTemplateTypeParameterSpecialization(ICPPSpecialization owner, ICPPScope scope,
+			ICPPTemplateTypeParameter specialized, ICPPTemplateArgument defaultValue) {
+		super(owner, scope, specialized, defaultValue);
+	}
+
+	@Override
+	public ICPPTemplateTypeParameter getSpecializedBinding() {
+		return (ICPPTemplateTypeParameter) super.getSpecializedBinding();
+	}
+
+	@Override
+	public IType getDefault() throws DOMException {
+		return getDefaultValue().getTypeValue();
+	}
+
+	@Override
+	public boolean isSameType(IType type) {
+		if (type == this)
+			return true;
+		if (type instanceof ITypedef)
+			return type.isSameType(this);
+		if (!(type instanceof ICPPTemplateTypeParameter))
+			return false;
+		
+		return getParameterID() == ((ICPPTemplateParameter) type).getParameterID();
+	}
+
+	@Override
+	public Object clone() {
+        Object o = null;
+   		try {
+            o = super.clone();
+        } catch (CloneNotSupportedException e) {
+            //not going to happen
+        }
+        return o;
+    }
+}

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

@@ -24,6 +24,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
 import org.eclipse.cdt.core.dom.ast.ASTVisitor;
 import org.eclipse.cdt.core.dom.ast.DOMException;
@@ -137,10 +138,13 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPPointerType;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateDefinition;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateNonTypeArgument;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateNonTypeParameter;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateNonTypeParameterSpecialization;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateParameterMap;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTemplateParameter;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTemplateParameterSpecialization;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTypeArgument;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTypeParameter;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTypeParameterSpecialization;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTypedefSpecialization;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownClassInstance;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownMemberClass;
@@ -801,6 +805,7 @@ public class CPPTemplates {
 	public static IBinding createSpecialization(ICPPClassSpecialization owner, IBinding decl, IASTNode point) {
 		IBinding spec = null;
 		final ICPPTemplateParameterMap tpMap= owner.getTemplateParameterMap();
+		try {
 			if (decl instanceof ICPPClassTemplatePartialSpecialization) {
 				try {
 					final ICPPClassSpecialization within = getSpecializationContext(owner);
@@ -813,7 +818,11 @@ public class CPPTemplates {
 				} catch (DOMException e) {
 				}
 			} else if (decl instanceof ICPPClassTemplate) {
-			spec = new CPPClassTemplateSpecialization((ICPPClassTemplate) decl, owner, tpMap);
+				ICPPClassTemplate template = (ICPPClassTemplate) decl;
+				CPPClassTemplateSpecialization classTemplateSpec = new CPPClassTemplateSpecialization(template, owner, tpMap);
+				classTemplateSpec.setTemplateParameters(CPPTemplates.specializeTemplateParameters(classTemplateSpec, 
+						(ICPPScope) classTemplateSpec.getScope(), template.getTemplateParameters(), owner, point));
+				spec = classTemplateSpec; 
 			} else if (decl instanceof ICPPClassType) {
 				IBinding oldOwner = decl.getOwner();
 				if (oldOwner instanceof IType && owner.getSpecializedBinding().isSameType((IType) oldOwner)) {
@@ -834,10 +843,16 @@ public class CPPTemplates {
 				IType[] exceptionSpecs= instantiateTypes(func.getExceptionSpecification(), tpMap, -1, within, point);
 	
 				if (decl instanceof ICPPFunctionTemplate) {
+					if (decl instanceof ICPPMethod) {
+						CPPMethodTemplateSpecialization methodSpec;
 						if (decl instanceof ICPPConstructor) {
-					spec = new CPPConstructorTemplateSpecialization((ICPPConstructor) decl, owner, tpMap, type, exceptionSpecs);
+							methodSpec = new CPPConstructorTemplateSpecialization((ICPPConstructor) decl, owner, tpMap, type, exceptionSpecs);
-				} else if (decl instanceof ICPPMethod) {
+						} else {
-					spec = new CPPMethodTemplateSpecialization((ICPPMethod) decl, owner, tpMap, type, exceptionSpecs);
+							methodSpec = new CPPMethodTemplateSpecialization((ICPPMethod) decl, owner, tpMap, type, exceptionSpecs);
+						} 
+						methodSpec.setTemplateParameters(CPPTemplates.specializeTemplateParameters(methodSpec, 
+								(ICPPScope) methodSpec.getScope(), ((ICPPFunctionTemplate) decl).getTemplateParameters(), owner, point));
+						spec = methodSpec;
 					} else {
 						IBinding oldOwner = decl.getOwner();
 						spec = new CPPFunctionTemplateSpecialization((ICPPFunctionTemplate) decl, oldOwner, tpMap, type, exceptionSpecs);
@@ -902,6 +917,9 @@ public class CPPTemplates {
 				delegates= result.toArray(new IBinding[result.size()]);
 				spec= new CPPUsingDeclarationSpecialization((ICPPUsingDeclaration) decl, owner, tpMap, delegates);
 			}
+		} catch (DOMException e) {
+			CCorePlugin.log(e);
+		}
 		return spec;
 	}
 
@@ -1332,6 +1350,51 @@ public class CPPTemplates {
 		}
 	}
 
+	/**
+	 * Specialize a template parameter of a nested template by subtituting values for the template
+	 * parameters of enclosing templates into the template parameter's default value and, in the
+	 * case of a non-type template parameter, type.
+	 * 
+	 * @param owner the specialization of the nested template. This will be the owner of the
+	 *              specialized template parameter.
+	 * @param scope the scope of the nested template specialization
+	 * @param specialized the template parameter to be specialized
+	 * @param within the specialization of the enclosing class
+	 * @param point the point of template instantiation
+	 * @return the specialized template parameter
+	 */
+	public static ICPPTemplateParameter specializeTemplateParameter(ICPPSpecialization owner, ICPPScope scope,
+			ICPPTemplateParameter specialized, ICPPClassSpecialization within, IASTNode point) {
+		if (specialized == null)
+			return null;
+		ICPPTemplateParameterMap tpMap = owner.getTemplateParameterMap();
+		ICPPTemplateArgument defaultValue = instantiateArgument(specialized.getDefaultValue(), tpMap, 0, within, point);
+		if (specialized instanceof ICPPTemplateNonTypeParameter) {
+			ICPPTemplateNonTypeParameter spec = (ICPPTemplateNonTypeParameter) specialized;
+			IType type = instantiateType(spec.getType(), tpMap, 0, within, point);
+			return new CPPTemplateNonTypeParameterSpecialization(owner, scope, spec, defaultValue, type);
+		} else if (specialized instanceof ICPPTemplateTypeParameter) {
+			return new CPPTemplateTypeParameterSpecialization(owner, scope, (ICPPTemplateTypeParameter) specialized, 
+					defaultValue);
+		} else if (specialized instanceof ICPPTemplateTemplateParameter) {
+			return new CPPTemplateTemplateParameterSpecialization(owner, scope, (ICPPTemplateTemplateParameter) specialized, 
+					defaultValue);
+		}
+		return null;
+	}
+	
+	/**
+	 * Convenience method for specializing all template parameters in an array.
+	 * See specializeTemplateParameter(). 
+	 */
+	public static ICPPTemplateParameter[] specializeTemplateParameters(ICPPSpecialization owner, ICPPScope scope, 
+			ICPPTemplateParameter[] specialized, ICPPClassSpecialization within, IASTNode point) {
+		ICPPTemplateParameter[] result = new ICPPTemplateParameter[specialized.length];
+		for (int i = 0; i < specialized.length; ++i)
+			result[i] = specializeTemplateParameter(owner, scope, specialized[i], within, point);
+		return result;
+	}
+	
 	public static IBinding instantiateBinding(IBinding binding, ICPPTemplateParameterMap tpMap, int packOffset,
 			ICPPClassSpecialization within, int maxdepth, IASTNode point) throws DOMException {
 		if (binding instanceof ICPPClassTemplate) {

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

@@ -145,6 +145,8 @@ public class EvalTypeId extends CPPDependentEvaluation {
 			for (int i = 0; i < args.length; i++) {
 				args[i]= (ICPPEvaluation) buffer.unmarshalEvaluation();
 			}
+		} else {
+			args = new ICPPEvaluation[0];  // arguments must not be null
 		}
 		IBinding templateDefinition= buffer.unmarshalBinding();
 		return new EvalTypeId(type, templateDefinition, args);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java

@@ -238,11 +238,14 @@ public class PDOM extends PlatformObject implements IPDOM {
 	 *  144.0 - Add support for storing function sets with zero functions in EvalFunctionSet, bug 402498.
 	 *  145.0 - Changed marshalling of CPPBasicType to store the associated numerical value, bug 407808. 
 	 *  146.0 - Added visibility support on class type level, bug 402878.
-	 *  147.0 - Store whether function name is qualified in EvalFunctionSet, bug 408296.
+	 *  #147.0# - Store whether function name is qualified in EvalFunctionSet, bug 408296.
+	 *  
+	 *  CDT 8.3 development (versions not supported on the 8.2.x branch)
+	 *  148.0 - Store specialized template parameters of class/function template specializations, bug 407497.
 	 */
-	private static final int MIN_SUPPORTED_VERSION= version(147, 0);
+	private static final int MIN_SUPPORTED_VERSION= version(148, 0);
-	private static final int MAX_SUPPORTED_VERSION= version(147, Short.MAX_VALUE);
+	private static final int MAX_SUPPORTED_VERSION= version(148, Short.MAX_VALUE);
-	private static final int DEFAULT_VERSION = version(147, 0);
+	private static final int DEFAULT_VERSION = version(148, 0);
 
 	private static int version(int major, int minor) {
 		return (major << 16) + minor;

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2011 QNX Software Systems and others.
+ * Copyright (c) 2007, 2013 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
@@ -8,9 +8,12 @@
  * Contributors:
  *     Bryan Wilkinson (QNX) - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
+ *     Nathan Ridge
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
+import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IProblemBinding;
@@ -30,6 +33,7 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPDeferredClassInstance;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInstanceCache;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
+import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
@@ -40,12 +44,22 @@ import org.eclipse.core.runtime.CoreException;
  */
 class PDOMCPPClassTemplateSpecialization extends PDOMCPPClassSpecialization 
 		implements ICPPClassTemplate, ICPPInstanceCache {
-	@SuppressWarnings("hiding")
-	protected static final int RECORD_SIZE = PDOMCPPClassSpecialization.RECORD_SIZE;
 	
-	public PDOMCPPClassTemplateSpecialization(PDOMLinkage linkage, PDOMNode parent, ICPPClassTemplate template, PDOMBinding specialized)
+	private static final int TEMPLATE_PARAMS = PDOMCPPClassSpecialization.RECORD_SIZE;
+	
+	@SuppressWarnings("hiding")
+	protected static final int RECORD_SIZE = TEMPLATE_PARAMS + Database.PTR_SIZE;
+	
+	private volatile IPDOMCPPTemplateParameter[] fTemplateParameters;
+
+	public PDOMCPPClassTemplateSpecialization(PDOMCPPLinkage linkage, PDOMNode parent, ICPPClassTemplate template, PDOMBinding specialized)
 			throws CoreException {
 		super(linkage, parent, template, specialized);
+		computeTemplateParameters(template);  // sets fTemplateParameters
+		final Database db = getDB();
+		long rec = PDOMTemplateParameterArray.putArray(db, fTemplateParameters);
+		db.putRecPtr(record + TEMPLATE_PARAMS, rec);
+		linkage.new ConfigureTemplateParameters(template.getTemplateParameters(), fTemplateParameters);
 	}
 
 	public PDOMCPPClassTemplateSpecialization(PDOMLinkage linkage, long bindingRecord) {
@@ -64,8 +78,20 @@ class PDOMCPPClassTemplateSpecialization extends PDOMCPPClassSpecialization
 		
 	@Override
 	public ICPPTemplateParameter[] getTemplateParameters() {
-		ICPPClassTemplate template = (ICPPClassTemplate) getSpecializedBinding();
+		if (fTemplateParameters == null) {
-		return template.getTemplateParameters();
+			try {
+				long rec = getDB().getRecPtr(record + TEMPLATE_PARAMS);
+				if (rec == 0) {
+					fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+				} else {
+					fTemplateParameters = PDOMTemplateParameterArray.getArray(this, rec);
+				}
+			} catch (CoreException e) {
+				CCorePlugin.log(e);
+				fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+			}
+		}
+		return fTemplateParameters;
 	}
 
 	@Override
@@ -180,4 +206,17 @@ class PDOMCPPClassTemplateSpecialization extends PDOMCPPClassSpecialization
 			return dci;
 		}
 	}
+	
+	private void computeTemplateParameters(ICPPClassTemplate originalTemplate) {
+		try {
+			fTemplateParameters = PDOMTemplateParameterArray.createPDOMTemplateParameters(getLinkage(), this, 
+					originalTemplate.getTemplateParameters());
+		} catch (DOMException e) {
+			CCorePlugin.log(e);
+			fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+		} catch (CoreException e) {
+			CCorePlugin.log(e);
+			fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+		}
+	}
 }

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

@@ -28,7 +28,7 @@ class PDOMCPPConstructorTemplateSpecialization extends PDOMCPPMethodTemplateSpec
 	@SuppressWarnings("hiding")
 	protected static final int RECORD_SIZE = PDOMCPPFunctionSpecialization.RECORD_SIZE + 0;
 	
-	public PDOMCPPConstructorTemplateSpecialization(PDOMLinkage linkage, PDOMNode parent, ICPPConstructor constructor, PDOMBinding specialized)
+	public PDOMCPPConstructorTemplateSpecialization(PDOMCPPLinkage linkage, PDOMNode parent, ICPPConstructor constructor, PDOMBinding specialized)
 			throws CoreException {
 		super(linkage, parent, constructor, specialized);
 	}

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2012 QNX Software Systems and others.
+ * Copyright (c) 2007, 2013 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
@@ -9,14 +9,19 @@
  *     QNX - Initial API and implementation
  *     Markus Schorn (Wind River Systems)
  *     Thomas Corbat (IFS)
+ *     Nathan Ridge
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
+import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
+import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
@@ -29,15 +34,50 @@ import org.eclipse.core.runtime.CoreException;
 class PDOMCPPMethodTemplateSpecialization extends
 		PDOMCPPFunctionTemplateSpecialization implements ICPPMethod {
 	
-	public PDOMCPPMethodTemplateSpecialization(PDOMLinkage linkage, PDOMNode parent, ICPPMethod method, PDOMBinding specialized)
+	private static final int TEMPLATE_PARAMS = PDOMCPPFunctionTemplateSpecialization.RECORD_SIZE;
+	
+	@SuppressWarnings("hiding")
+	protected static final int RECORD_SIZE = TEMPLATE_PARAMS + Database.PTR_SIZE;
+	
+	private volatile IPDOMCPPTemplateParameter[] fTemplateParameters;
+	
+	public PDOMCPPMethodTemplateSpecialization(PDOMCPPLinkage linkage, PDOMNode parent, ICPPMethod method, PDOMBinding specialized)
 			throws CoreException {
 		super(linkage, parent, (ICPPFunctionTemplate) method, specialized);
+		computeTemplateParameters((ICPPFunctionTemplate) method);  // sets fTemplateParameters
+		final Database db = getDB();
+		long rec = PDOMTemplateParameterArray.putArray(db, fTemplateParameters);
+		db.putRecPtr(record + TEMPLATE_PARAMS, rec);
+		linkage.new ConfigureTemplateParameters(((ICPPFunctionTemplate) method).getTemplateParameters(), fTemplateParameters);
 	}
 
 	public PDOMCPPMethodTemplateSpecialization(PDOMLinkage linkage, long bindingRecord) {
 		super(linkage, bindingRecord);
 	}
 	
+	@Override
+	protected int getRecordSize() {
+		return RECORD_SIZE;
+	}
+
+	@Override
+	public ICPPTemplateParameter[] getTemplateParameters() {
+		if (fTemplateParameters == null) {
+			try {
+				long rec = getDB().getRecPtr(record + TEMPLATE_PARAMS);
+				if (rec == 0) {
+					fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+				} else {
+					fTemplateParameters = PDOMTemplateParameterArray.getArray(this, rec);
+				}
+			} catch (CoreException e) {
+				CCorePlugin.log(e);
+				fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+			}
+		}
+		return fTemplateParameters;
+	}
+
 	@Override
 	public int getNodeType() {
 		return IIndexCPPBindingConstants.CPP_METHOD_TEMPLATE_SPECIALIZATION;
@@ -112,4 +152,17 @@ class PDOMCPPMethodTemplateSpecialization extends
 	public boolean isFinal() {
 		return false;
 	}
+	
+	private void computeTemplateParameters(ICPPFunctionTemplate originalMethodTemplate) {
+		try {
+			fTemplateParameters = PDOMTemplateParameterArray.createPDOMTemplateParameters(getLinkage(), this, 
+					originalMethodTemplate.getTemplateParameters());
+		} catch (DOMException e) {
+			CCorePlugin.log(e);
+			fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+		} catch (CoreException e) {
+			CCorePlugin.log(e);
+			fTemplateParameters = IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+		}
+	}
 }