Add libclang support for class template partial specializations,
including a cursor kind, visitation, and USRs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112629 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 919962c..ae53c16 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -290,6 +290,8 @@
   bool VisitTranslationUnitDecl(TranslationUnitDecl *D);
   bool VisitTypedefDecl(TypedefDecl *D);
   bool VisitTagDecl(TagDecl *D);
+  bool VisitClassTemplatePartialSpecializationDecl(
+                                     ClassTemplatePartialSpecializationDecl *D);
   bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
   bool VisitEnumConstantDecl(EnumConstantDecl *D);
   bool VisitDeclaratorDecl(DeclaratorDecl *DD);
@@ -600,6 +602,22 @@
   return VisitDeclContext(D);
 }
 
+bool CursorVisitor::VisitClassTemplatePartialSpecializationDecl(
+                                   ClassTemplatePartialSpecializationDecl *D) {
+  // FIXME: Visit the "outer" template parameter lists on the TagDecl
+  // before visiting these template parameters.
+  if (VisitTemplateParameters(D->getTemplateParameters()))
+    return true;
+
+  // Visit the partial specialization arguments.
+  const TemplateArgumentLoc *TemplateArgs = D->getTemplateArgsAsWritten();
+  for (unsigned I = 0, N = D->getNumTemplateArgsAsWritten(); I != N; ++I)
+    if (VisitTemplateArgumentLoc(TemplateArgs[I]))
+      return true;
+  
+  return VisitCXXRecordDecl(D);
+}
+
 bool CursorVisitor::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
   // FIXME: Visit default argument
   return false;
@@ -2144,6 +2162,8 @@
     return createCXString("FunctionTemplate");
   case CXCursor_ClassTemplate:
     return createCXString("ClassTemplate");
+  case CXCursor_ClassTemplatePartialSpecialization:
+    return createCXString("ClassTemplatePartialSpecialization");
   }
 
   llvm_unreachable("Unhandled CXCursorKind");