Teach -ast-print how to print template template parameters.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129565 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index 37cd2af1b18d4b4df03bc930d997550d4c9f0cc1..87ba5909d99387d0ec46ca9b11d1b9e1eb968c89 100644 (file)
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -60,7 +60,7 @@ namespace {
     void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
     void VisitCXXRecordDecl(CXXRecordDecl *D);
     void VisitLinkageSpecDecl(LinkageSpecDecl *D);
-    void VisitTemplateDecl(TemplateDecl *D);
+    void VisitTemplateDecl(const TemplateDecl *D);
     void VisitObjCMethodDecl(ObjCMethodDecl *D);
     void VisitObjCClassDecl(ObjCClassDecl *D);
     void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
@@ -674,7 +674,7 @@ void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
     Visit(*D->decls_begin());
 }
 
-void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
+void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
   Out << "template <";
 
   TemplateParameterList *Params = D->getTemplateParameters();
@@ -720,12 +720,17 @@ void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
         NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
                                                 Indentation);
       }
+    } else if (const TemplateTemplateParmDecl *TTPD =
+                 dyn_cast<TemplateTemplateParmDecl>(Param)) {
+      VisitTemplateDecl(TTPD);
+      // FIXME: print the default argument, if present.
     }
   }
 
   Out << "> ";
 
-  if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) {
+  if (const TemplateTemplateParmDecl *TTP =
+        dyn_cast<TemplateTemplateParmDecl>(D)) {
     Out << "class ";
     if (TTP->isParameterPack())
       Out << "...";