From 7fd9da9badd629c0a67441fe6696e0c7e850a491 Mon Sep 17 00:00:00 2001
From: Alex Lorenz <arphaman@gmail.com>
Date: Tue, 3 Jan 2017 12:11:17 +0000
Subject: [PATCH] Handle ClassTemplateSpecializationDecl in DeclContextPrinter
This commit fixes a crash that occurs when -print-decl-contexts AST consumer
tries to print an unhandled declaration.
rdar://19467234
Differential Revision: https://reviews.llvm.org/D26964
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290884 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Frontend/ASTConsumers.cpp | 23 ++++++++++++++++++++++-
test/Coverage/cxx-language-features.inc | 11 +++++++++++
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/lib/Frontend/ASTConsumers.cpp b/lib/Frontend/ASTConsumers.cpp
index d30d486b6e..f5cca139bc 100644
--- a/lib/Frontend/ASTConsumers.cpp
+++ b/lib/Frontend/ASTConsumers.cpp
@@ -370,6 +370,26 @@ void DeclContextPrinter::PrintDeclContext(const DeclContext* DC,
break;
}
+ case Decl::ClassTemplateSpecialization: {
+ const auto *CTSD = cast<ClassTemplateSpecializationDecl>(DC);
+ if (CTSD->isCompleteDefinition())
+ Out << "[class template specialization] ";
+ else
+ Out << "<class template specialization> ";
+ Out << *CTSD;
+ break;
+ }
+
+ case Decl::ClassTemplatePartialSpecialization: {
+ const auto *CTPSD = cast<ClassTemplatePartialSpecializationDecl>(DC);
+ if (CTPSD->isCompleteDefinition())
+ Out << "[class template partial specialization] ";
+ else
+ Out << "<class template partial specialization> ";
+ Out << *CTPSD;
+ break;
+ }
+
default:
llvm_unreachable("a decl that inherits DeclContext isn't handled");
}
@@ -400,7 +420,8 @@ void DeclContextPrinter::PrintDeclContext(const DeclContext* DC,
case Decl::CXXConstructor:
case Decl::CXXDestructor:
case Decl::CXXConversion:
- {
+ case Decl::ClassTemplateSpecialization:
+ case Decl::ClassTemplatePartialSpecialization: {
DeclContext* DC = cast<DeclContext>(I);
PrintDeclContext(DC, Indentation+2);
break;
diff --git a/test/Coverage/cxx-language-features.inc b/test/Coverage/cxx-language-features.inc
index 5a2cc2374e..1df4db7d35 100644
--- a/test/Coverage/cxx-language-features.inc
+++ b/test/Coverage/cxx-language-features.inc
@@ -44,3 +44,14 @@ namespace user {
// Empty declaration
;
+
+// Template specialization declarations
+template<typename T> class ClassTemplateSpecialization;
+
+template<>
+class ClassTemplateSpecialization<bool> { };
+
+template<typename T, bool> struct ClassTemplatePartialSpecialization;
+
+template<typename T>
+struct ClassTemplatePartialSpecialization<T, true> { };
--
2.40.0