From 284b97c6bcc91184c327b75d3837100abdd0dc0d Mon Sep 17 00:00:00 2001
From: Eric Liu <ioeric@google.com>
Date: Fri, 17 Mar 2017 14:05:39 +0000
Subject: [change-namespace] do not rename specialized template parameters.

Reviewers: hokein

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D31076

llvm-svn: 298090
---
 clang-tools-extra/change-namespace/ChangeNamespace.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'clang-tools-extra/change-namespace/ChangeNamespace.cpp')

diff --git a/clang-tools-extra/change-namespace/ChangeNamespace.cpp b/clang-tools-extra/change-namespace/ChangeNamespace.cpp
index 36f04243ce8..e07066794b5 100644
--- a/clang-tools-extra/change-namespace/ChangeNamespace.cpp
+++ b/clang-tools-extra/change-namespace/ChangeNamespace.cpp
@@ -286,6 +286,15 @@ AST_MATCHER(EnumDecl, isScoped) {
     return Node.isScoped();
 }
 
+bool isTemplateParameter(TypeLoc Type) {
+  while (!Type.isNull()) {
+    if (Type.getTypeLocClass() == TypeLoc::SubstTemplateTypeParm)
+      return true;
+    Type = Type.getNextTypeLoc();
+  }
+  return false;
+}
+
 } // anonymous namespace
 
 ChangeNamespaceTool::ChangeNamespaceTool(
@@ -833,6 +842,8 @@ void ChangeNamespaceTool::fixTypeLoc(
   // Types of CXXCtorInitializers do not need to be fixed.
   if (llvm::is_contained(BaseCtorInitializerTypeLocs, Type))
     return;
+  if (isTemplateParameter(Type))
+    return;
   // The declaration which this TypeLoc refers to.
   const auto *FromDecl = Result.Nodes.getNodeAs<NamedDecl>("from_decl");
   // `hasDeclaration` gives underlying declaration, but if the type is
-- 
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