Comment AST: Add support for variable templates

We treat them as variables of course, though if they have function
pointer type we treat them as functions, i.e. allow parameter and return
value specifications. Just like VarDecls.

Reviewed By: gribozavr2

Differential Revision: https://reviews.llvm.org/D111266

1 files changed, 15 insertions, 0 deletions

diff --git a/clang/lib/AST/Comment.cpp b/clang/lib/AST/Comment.cpp
index ce90abf5..5e6a7de 100644
--- a/clang/lib/AST/Comment.cpp
+++ b/clang/lib/AST/Comment.cpp
@@ -294,6 +294,12 @@ void DeclInfo::fill() {
     Kind = ClassKind;
     break;
   case Decl::Var:
+    if (const VarTemplateDecl *VTD =
+            cast<VarDecl>(CommentDecl)->getDescribedVarTemplate()) {
+      TemplateKind = TemplateSpecialization;
+      TemplateParameters = VTD->getTemplateParameters();
+    }
+    LLVM_FALLTHROUGH;
   case Decl::Field:
   case Decl::EnumConstant:
   case Decl::ObjCIvar:
@@ -305,6 +311,15 @@ void DeclInfo::fill() {
       TSI = PD->getTypeSourceInfo();
     Kind = VariableKind;
     break;
+  case Decl::VarTemplate: {
+    const VarTemplateDecl *VTD = cast<VarTemplateDecl>(CommentDecl);
+    Kind = VariableKind;
+    TemplateKind = Template;
+    TemplateParameters = VTD->getTemplateParameters();
+    if (const VarDecl *VD = VTD->getTemplatedDecl())
+      TSI = VD->getTypeSourceInfo();
+    break;
+  }
   case Decl::Namespace:
     Kind = NamespaceKind;
     break;