From 99767b46304a2a0796d160e93d9d1cee30f21b63 Mon Sep 17 00:00:00 2001
From: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Date: Tue, 21 May 2013 10:55:24 -0700
Subject: [PATCH] Revert "Bug 408314 - Failure of dependent base lookup"

This reverts commit 96e51dfbca4e8ee006bae6b58fb4bb524b8f3206.
---
 .../parser/tests/ast2/AST2TemplateTests.java  | 64 +------------------
 .../tests/IndexCPPTemplateResolutionTest.java | 15 +++--
 ...CPPClassTemplatePartialSpecialization.java | 22 ++++++-
 .../cpp/CPPClassTemplateSpecialization.java   |  4 +-
 .../core/dom/parser/cpp/CPPUnknownMember.java |  5 --
 .../parser/cpp/semantics/CPPTemplates.java    | 10 ++-
 .../composite/cpp/CPPCompositesFactory.java   |  6 +-
 ...CPPClassTemplatePartialSpecialization.java | 27 +++++++-
 ...CPPClassTemplatePartialSpecialization.java | 30 ++++++++-
 ...tePartialSpecializationSpecialization.java |  2 +-
 .../PDOMCPPClassTemplateSpecialization.java   |  3 +-
 .../core/pdom/dom/cpp/PDOMCPPLinkage.java     | 27 +++-----
 12 files changed, 110 insertions(+), 105 deletions(-)

diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
index 4db597e20d2..8b7058858c0 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
@@ -13,7 +13,6 @@
  *     Sergey Prigogin (Google)
  *     Thomas Corbat (IFS)
  *     Nathan Ridge
- *     Danny Ferreira
  *******************************************************************************/
 package org.eclipse.cdt.core.parser.tests.ast2;
 
@@ -1969,8 +1968,7 @@ public class AST2TemplateTests extends AST2TestBase {
 		ITypedef myType = (ITypedef) col.getName(31).resolveBinding();
 		ICPPClassType A = (ICPPClassType) myType.getType();
 
-		ICPPClassTemplatePartialSpecialization Aspec = 
-				(ICPPClassTemplatePartialSpecialization) col.getName(10).resolveBinding();
+		ICPPSpecialization Aspec = (ICPPSpecialization) col.getName(10).resolveBinding();
 
 		assertTrue(A instanceof ICPPTemplateInstance);
 		assertSame(((ICPPTemplateInstance)A).getTemplateDefinition(), Aspec);
@@ -3226,67 +3224,7 @@ public class AST2TemplateTests extends AST2TestBase {
 		BindingAssertionHelper ba= new BindingAssertionHelper(getAboveComment(), CPP);
 		ba.assertNonProblem("foo(s", 3);
 	}
-	
-	//	template<typename U>
-	//	struct result : U {
-	//	    typedef typename result::result_type type;
-	//	};
-	//
-	//	struct B {
-	//	    typedef int result_type;
-	//	};
-	//
-	//	typedef result<B>::type waldo;
-	public void testDependentBaseLookup_408314a() throws Exception {
-		BindingAssertionHelper bh = getAssertionHelper();
-		ITypedef waldo = bh.assertNonProblem("waldo");
-		assertSameType(waldo.getType(), CommonTypes.int_);
-	}
-	
-	//	template <typename T>
-	//	struct A {
-	//		template <typename U>
-	//		struct result; 
-	//	
-	//		template <typename V>
-	//		struct result<V*> : T {
-	//	    	typedef typename result::result_type type;
-	//		};
-	//	};
-	//
-	//	struct B {
-	//	    typedef int result_type;
-	//	};
-	//
-	//	typedef A<B>::result<int*>::type waldo;
-	public void testDependentBaseLookup_408314b() throws Exception {
-		BindingAssertionHelper bh = getAssertionHelper();
-		ITypedef waldo = bh.assertNonProblem("waldo");
-		assertSameType(waldo.getType(), CommonTypes.int_);
-	}
 
-	//	template <typename T>
-	//	struct A {
-	//		template <typename U>
-	//		struct result; 
-	//	
-	//		template <typename V>
-	//		struct result<V*> : T {
-	//	    	typedef typename result::result_type type;
-	//		};
-	//	};
-	//
-	//	struct B {
-	//	    typedef int result_type;
-	//	};
-	//
-	//	typedef A<B>::result<B*>::type waldo;
-	public void testDependentBaseLookup_408314c() throws Exception {
-		BindingAssertionHelper bh = getAssertionHelper();
-		ITypedef waldo = bh.assertNonProblem("waldo");
-		assertSameType(waldo.getType(), CommonTypes.int_);
-	}
-	
 	//	template <class T>
 	//	class A {
 	//	public:
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
index d07eab93b7a..dd55f8fb57c 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
@@ -599,14 +599,17 @@ public class IndexCPPTemplateResolutionTest extends IndexBindingResolutionTestBa
  		IBinding b3= getBindingFromASTName("D<B", 1);
 
  		List spBindings= new ArrayList();
- 		assertInstance(b0, ICPPClassTemplatePartialSpecialization.class);
- 		spBindings.add(((ICPPClassTemplatePartialSpecialization)b0).getPrimaryClassTemplate());
+ 		assertInstance(b0, ICPPSpecialization.class);
+ 		assertInstance(b0, ICPPClassTemplate.class);
+ 		spBindings.add(((ICPPSpecialization)b0).getSpecializedBinding());
 
- 		assertInstance(b1, ICPPClassTemplatePartialSpecialization.class);
- 		spBindings.add(((ICPPClassTemplatePartialSpecialization)b1).getPrimaryClassTemplate());
+ 		assertInstance(b1, ICPPSpecialization.class);
+ 		assertInstance(b1, ICPPClassTemplate.class);
+ 		spBindings.add(((ICPPSpecialization)b1).getSpecializedBinding());
 
- 		assertInstance(b2, ICPPClassTemplatePartialSpecialization.class);
- 		spBindings.add(((ICPPClassTemplatePartialSpecialization)b2).getPrimaryClassTemplate());
+ 		assertInstance(b2, ICPPSpecialization.class);
+ 		assertInstance(b2, ICPPClassTemplate.class);
+ 		spBindings.add(((ICPPSpecialization)b2).getSpecializedBinding());
 
  		for(int i=0; i<spBindings.size(); i++) {
  			for(int j=0; j<spBindings.size(); j++) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplatePartialSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplatePartialSpecialization.java
index 066470d584a..ca97cc3e946 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplatePartialSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplatePartialSpecialization.java
@@ -13,21 +13,25 @@ package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
 import org.eclipse.cdt.core.dom.ast.DOMException;
+import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.ITypedef;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateId;
 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.ICPPSpecialization;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
 import org.eclipse.cdt.core.index.IIndexBinding;
+import org.eclipse.cdt.core.parser.util.ObjectMap;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
 
 /**
  * A partial class template specialization.
  */
 public class CPPClassTemplatePartialSpecialization extends CPPClassTemplate 
-		implements ICPPClassTemplatePartialSpecialization {
+		implements ICPPClassTemplatePartialSpecialization, ICPPSpecialization {
 
 	private final ICPPTemplateArgument[] arguments;
 
@@ -50,11 +54,27 @@ public class CPPClassTemplatePartialSpecialization extends CPPClassTemplate
 		return (ICPPClassTemplate) id.getTemplateName().resolveBinding();
 	}
 
+	@Override
+	public IBinding getSpecializedBinding() {
+		return getPrimaryClassTemplate();
+	}
+
+	@Override
+	public ICPPTemplateParameterMap getTemplateParameterMap() {
+		return CPPTemplates.createParameterMap(getPrimaryClassTemplate(), getTemplateArguments());
+	}
+	
 	@Override
 	public String toString() {
 		return super.toString() + ASTTypeUtil.getArgumentListString(getTemplateArguments(), true);
 	}
 	
+	@Override
+	@Deprecated
+	public ObjectMap getArgumentMap() {
+		return CPPTemplates.getArgumentMap(getPrimaryClassTemplate(), getTemplateParameterMap());
+	}
+	
 	@Override
 	@Deprecated
 	public IType[] getArguments() throws DOMException {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplateSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplateSpecialization.java
index 85b9aba05cd..4bdd0ab55ab 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplateSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassTemplateSpecialization.java
@@ -16,7 +16,6 @@ import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
 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.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;
@@ -48,9 +47,8 @@ public class CPPClassTemplateSpecialization extends CPPClassSpecialization
 			ICPPClassTemplate origTemplate= (ICPPClassTemplate) getSpecializedBinding();
 			ICPPClassTemplatePartialSpecialization[] orig = origTemplate.getPartialSpecializations();
 			ICPPClassTemplatePartialSpecialization[] spec = new ICPPClassTemplatePartialSpecialization[orig.length];
-			ICPPClassSpecialization owner = (ICPPClassSpecialization) getOwner();
 			for (int i = 0; i < orig.length; i++) {
-				spec[i]= (ICPPClassTemplatePartialSpecialization) owner.specializeMember(orig[i], point);
+				spec[i]= (ICPPClassTemplatePartialSpecialization) specializeMember(orig[i], point);
 			}
 			fPartialSpecs = spec;
 		}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownMember.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownMember.java
index 6f23c7b6773..db6db9d5fb4 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownMember.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownMember.java
@@ -14,12 +14,10 @@ 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.ICPPClassTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.internal.core.dom.parser.ISerializableType;
 import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
-import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
 import org.eclipse.cdt.internal.core.index.IIndexFragment;
 import org.eclipse.cdt.internal.core.pdom.dom.cpp.PDOMCPPUnknownField;
 import org.eclipse.cdt.internal.core.pdom.dom.cpp.PDOMCPPUnknownMemberClass;
@@ -34,9 +32,6 @@ public class CPPUnknownMember extends CPPUnknownBinding	implements ICPPUnknownMe
 
     protected CPPUnknownMember(IType owner, char[] name) {
         super(name);
-        if (owner instanceof ICPPClassTemplate) {
-        	owner= CPPTemplates.createDeferredInstance((ICPPClassTemplate) owner);
-        }
         fOwner= owner;
     }
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
index a844d5c4964..bf88ee2238c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
@@ -2638,7 +2638,15 @@ public class CPPTemplates {
 		}
 
 		if (changed) {
-			IBinding inst= instantiate(classTemplate, newArgs, point);
+			IBinding inst= null;
+			if (classTemplate instanceof ICPPClassTemplatePartialSpecialization) {
+				try {
+					inst= instantiatePartialSpecialization((ICPPClassTemplatePartialSpecialization) classTemplate, newArgs, false, null, point);
+				} catch (DOMException e) {
+				}
+			} else {
+				inst= instantiate(classTemplate, newArgs, point);
+			}
 			if (inst != null)
 				return inst;
 		}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CPPCompositesFactory.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CPPCompositesFactory.java
index 95753c0b784..4abe2b33678 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CPPCompositesFactory.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CPPCompositesFactory.java
@@ -518,7 +518,9 @@ public class CPPCompositesFactory extends AbstractCompositeFactory {
 					}
 				} else if (binding instanceof ICPPTemplateDefinition) {
 					if (binding instanceof ICPPClassTemplatePartialSpecialization) {
-						return new CompositeCPPClassTemplatePartialSpecializationSpecialization(this, (ICPPClassTemplatePartialSpecializationSpecialization) binding);
+						if (binding instanceof ICPPClassTemplatePartialSpecializationSpecialization)
+							return new CompositeCPPClassTemplatePartialSpecializationSpecialization(this, (ICPPClassTemplatePartialSpecializationSpecialization) binding);
+						return new CompositeCPPClassTemplatePartialSpecialization(this, (ICPPClassTemplatePartialSpecialization) findOneBinding(binding));
 					} else if (binding instanceof ICPPClassType) {
 						return new CompositeCPPClassTemplateSpecialization(this, (ICPPClassType) binding);
 					} else if (binding instanceof ICPPConstructor) {
@@ -555,8 +557,6 @@ public class CPPCompositesFactory extends AbstractCompositeFactory {
 						throw new CompositingNotImplementedError("Composite binding unavailable for " + binding + " " + binding.getClass()); //$NON-NLS-1$ //$NON-NLS-2$
 					}
 				}
-			} else if (binding instanceof ICPPClassTemplatePartialSpecialization) {
-				return new CompositeCPPClassTemplatePartialSpecialization(this, (ICPPClassTemplatePartialSpecialization) findOneBinding(binding));
 			} else if (binding instanceof ICPPTemplateParameter) {
 				if (binding instanceof ICPPTemplateTypeParameter) {
 					result = new CompositeCPPTemplateTypeParameter(this, (ICPPTemplateTypeParameter) binding);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
index 179a41f2f6d..5420ca21e92 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPClassTemplatePartialSpecialization.java
@@ -11,16 +11,21 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.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.ICPPClassTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
+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.ICPPTemplateParameterMap;
+import org.eclipse.cdt.core.parser.util.ObjectMap;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateParameterMap;
 import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
 import org.eclipse.cdt.internal.core.index.composite.ICompositesFactory;
 import org.eclipse.cdt.internal.core.pdom.dom.IPDOMOverloader;
 import org.eclipse.core.runtime.CoreException;
 
-public class CompositeCPPClassTemplatePartialSpecialization extends CompositeCPPClassTemplate implements ICPPClassTemplatePartialSpecialization, IPDOMOverloader {
+public class CompositeCPPClassTemplatePartialSpecialization extends CompositeCPPClassTemplate implements ICPPClassTemplatePartialSpecialization, ICPPSpecialization, IPDOMOverloader {
 	public CompositeCPPClassTemplatePartialSpecialization(ICompositesFactory cf, ICPPClassTemplatePartialSpecialization delegate) {
 		super(cf, delegate);
 	}
@@ -31,16 +36,36 @@ public class CompositeCPPClassTemplatePartialSpecialization extends CompositeCPP
 		return (ICPPClassTemplate) cf.getCompositeBinding((IIndexFragmentBinding)preresult);
 	}
 
+	@Override
+	public IBinding getSpecializedBinding() {
+		return TemplateInstanceUtil.getSpecializedBinding(cf, rbinding);
+	}
+
 	@Override
 	public int getSignatureHash() throws CoreException {
 		return ((IPDOMOverloader) rbinding).getSignatureHash();
 	}
 
+	@Override
+	public ICPPTemplateParameterMap getTemplateParameterMap() {
+		IBinding owner= getOwner();
+		if (owner instanceof ICPPSpecialization) {
+			return ((ICPPSpecialization) owner).getTemplateParameterMap();
+		}
+		return CPPTemplateParameterMap.EMPTY;
+	}
+
 	@Override
 	public ICPPTemplateArgument[] getTemplateArguments() {
 		return TemplateInstanceUtil.getTemplateArguments(cf, (ICPPClassTemplatePartialSpecialization) rbinding);
 	}
 
+	@Override
+	@Deprecated
+	public ObjectMap getArgumentMap() {
+		return TemplateInstanceUtil.getArgumentMap(cf, rbinding);
+	}
+
 	@Override
 	@Deprecated
 	public IType[] getArguments() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
index 1536bd33893..4a7a9c4bea1 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
@@ -13,11 +13,16 @@ 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.IType;
 import org.eclipse.cdt.core.dom.ast.ITypedef;
 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.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.Util;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPClassTemplatePartialSpecialization;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
@@ -34,7 +39,7 @@ import org.eclipse.core.runtime.CoreException;
  * Partial specialization of a class template for the index.
  */
 class PDOMCPPClassTemplatePartialSpecialization extends	PDOMCPPClassTemplate 
-		implements IPDOMPartialSpecialization, IPDOMOverloader {
+		implements IPDOMPartialSpecialization, ICPPSpecialization, IPDOMOverloader {
 	private static final int ARGUMENTS = PDOMCPPClassTemplate.RECORD_SIZE + 0;
 	private static final int SIGNATURE_HASH = PDOMCPPClassTemplate.RECORD_SIZE + 4;
 	private static final int PRIMARY = PDOMCPPClassTemplate.RECORD_SIZE + 8;
@@ -102,6 +107,11 @@ class PDOMCPPClassTemplatePartialSpecialization extends	PDOMCPPClassTemplate
 		}
 	}
 	
+	@Override
+	public IBinding getSpecializedBinding() {
+		return getPrimaryClassTemplate();
+	}
+	
 	@Override
 	public void setArguments(ICPPTemplateArgument[] templateArguments) throws CoreException {
 		final Database db = getPDOM().getDB();
@@ -150,6 +160,11 @@ class PDOMCPPClassTemplatePartialSpecialization extends	PDOMCPPClassTemplate
 		return cmp;
 	}
 	
+	@Override
+	public ICPPTemplateParameterMap getTemplateParameterMap() {
+		return CPPTemplates.createParameterMap(getPrimaryClassTemplate(), getTemplateArguments());
+	}
+	
 	@Override
 	public boolean isSameType(IType type) {
 		if (type instanceof ITypedef) {
@@ -170,4 +185,17 @@ class PDOMCPPClassTemplatePartialSpecialization extends	PDOMCPPClassTemplate
 		final ICPPClassTemplatePartialSpecialization rhs = (ICPPClassTemplatePartialSpecialization)type;
 		return CPPClassTemplatePartialSpecialization.isSamePartialClassSpecialization(this, rhs);
 	}
+	
+	@Override
+	@Deprecated
+	public ObjectMap getArgumentMap() {
+		ICPPTemplateParameter[] params = getPrimaryClassTemplate().getTemplateParameters();
+		ICPPTemplateArgument[] args= getTemplateArguments();
+		int len= Math.min(params.length, args.length);
+		ObjectMap result= new ObjectMap(len);
+		for (int i = 0; i < len; i++) {
+			result.put(params[i], args[i]);
+		}
+		return ObjectMap.EMPTY_MAP;
+	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecializationSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecializationSpecialization.java
index ed8a17e93f5..e5b72e39cce 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecializationSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecializationSpecialization.java
@@ -103,7 +103,7 @@ class PDOMCPPClassTemplatePartialSpecializationSpecialization extends PDOMCPPCla
 	public ICPPClassTemplate getPrimaryClassTemplate() {
 		if (fPrimaryTemplate == null) {
 			try {
-				long specializedRec = getDB().getRecPtr(record + PRIMARY_TEMPLATE);
+				int specializedRec = getDB().getInt(record + PRIMARY_TEMPLATE);
 				fPrimaryTemplate= (ICPPClassTemplate) getLinkage().getNode(specializedRec);
 			} catch (CoreException e) {
 				CCorePlugin.log(e);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplateSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplateSpecialization.java
index 33a1d504d33..fd10f162f45 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplateSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplateSpecialization.java
@@ -161,9 +161,8 @@ class PDOMCPPClassTemplateSpecialization extends PDOMCPPClassSpecialization
 		ICPPClassTemplate origTemplate= (ICPPClassTemplate) getSpecializedBinding();
 		ICPPClassTemplatePartialSpecialization[] orig = origTemplate.getPartialSpecializations();
 		ICPPClassTemplatePartialSpecialization[] spec = new ICPPClassTemplatePartialSpecialization[orig.length];
-		ICPPClassSpecialization owner = (ICPPClassSpecialization) getOwner();
 		for (int i = 0; i < orig.length; i++) {
-			spec[i]= (ICPPClassTemplatePartialSpecialization) owner.specializeMember(orig[i], point);
+			spec[i]= (ICPPClassTemplatePartialSpecialization) specializeMember(orig[i], point);
 		}
 		return spec;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
index 389976b034e..d03f2a468ab 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
@@ -46,6 +46,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassScope;
 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.ICPPClassTemplatePartialSpecializationSpecialization;
 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.ICPPEnumeration;
@@ -434,13 +435,6 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 				return null;
 
 			pdomBinding = createSpecialization(parent, pdomSpecialized, binding);
-		} else if (binding instanceof ICPPClassTemplatePartialSpecialization) {
-			ICPPClassTemplate primary = ((ICPPClassTemplatePartialSpecialization) binding).getPrimaryClassTemplate();
-			PDOMBinding pdomPrimary = addBinding(primary, null);
-			if (pdomPrimary instanceof PDOMCPPClassTemplate) {
-				pdomBinding = new PDOMCPPClassTemplatePartialSpecialization(
-						this, parent, (ICPPClassTemplatePartialSpecialization) binding, (PDOMCPPClassTemplate) pdomPrimary);
-			}
 		} else if (binding instanceof ICPPField) {
 			if (parent instanceof PDOMCPPClassType || parent instanceof PDOMCPPClassSpecialization) {
 				pdomBinding = new PDOMCPPField(this, parent, (ICPPField) binding);
@@ -565,6 +559,11 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			} else if (special instanceof ICPPClassType && orig instanceof ICPPClassType) {
 				result= new PDOMCPPClassInstance(this, parent, (ICPPClassType) special, orig);
 			}
+		} else if (special instanceof ICPPClassTemplatePartialSpecialization) {
+			if (orig instanceof PDOMCPPClassTemplate) {
+				result= new PDOMCPPClassTemplatePartialSpecialization(
+						this, parent, (ICPPClassTemplatePartialSpecialization) special, (PDOMCPPClassTemplate) orig);
+			}
 		} else if (special instanceof ICPPField) {
 			result= new PDOMCPPFieldSpecialization(this, parent, (ICPPField) special, orig);
 		} else if (special instanceof ICPPFunctionTemplate) {
@@ -575,14 +574,6 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			} else if (special instanceof ICPPFunction) {
 				result= new PDOMCPPFunctionTemplateSpecialization(this, parent, (ICPPFunctionTemplate) special, orig);
 			}
-		} else if (special instanceof ICPPClassTemplatePartialSpecialization) {
-			ICPPClassTemplatePartialSpecialization partialSpecSpec = (ICPPClassTemplatePartialSpecialization) special;
-			ICPPClassTemplate primarySpec = partialSpecSpec.getPrimaryClassTemplate();
-			PDOMBinding pdomPrimarySpec = addBinding(primarySpec, null);
-			if (pdomPrimarySpec instanceof PDOMCPPClassTemplateSpecialization) {
-				result= new PDOMCPPClassTemplatePartialSpecializationSpecialization(this, parent, orig, 
-						partialSpecSpec, (PDOMCPPClassTemplateSpecialization) pdomPrimarySpec);
-			}
 		} else if (special instanceof ICPPConstructor) {
 			result= new PDOMCPPConstructorSpecialization(this, parent, (ICPPConstructor) special, orig);
 		} else if (special instanceof ICPPMethod) {
@@ -658,7 +649,9 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 					return CPP_CLASS_INSTANCE;
 				}
 			} else if (binding instanceof ICPPClassTemplatePartialSpecialization) {
-				return CPP_CLASS_TEMPLATE_PARTIAL_SPEC_SPEC;
+				if (binding instanceof ICPPClassTemplatePartialSpecializationSpecialization)
+					return CPP_CLASS_TEMPLATE_PARTIAL_SPEC_SPEC;
+				return CPP_CLASS_TEMPLATE_PARTIAL_SPEC;
 			} else if (binding instanceof ICPPField) {
 				return CPP_FIELD_SPECIALIZATION;
 		    } else if (binding instanceof ICPPFunctionTemplate) {
@@ -682,8 +675,6 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			} else if (binding instanceof ITypedef) {
 				return CPP_TYPEDEF_SPECIALIZATION;
 			}
-		} else if (binding instanceof ICPPClassTemplatePartialSpecialization) {
-			return CPP_CLASS_TEMPLATE_PARTIAL_SPEC;
 		} else if (binding instanceof ICPPTemplateParameter) {
 			if (binding instanceof ICPPTemplateTypeParameter) {
 				return CPP_TEMPLATE_TYPE_PARAMETER;