CompilerType: Add ability to retrieve an integral template argument

Summary:
Despite it's name, GetTemplateArgument was only really working for Type
template arguments. This adds the ability to retrieve integral arguments
as well (which I've needed for the std::bitset data formatter).

I've done this by splitting the function into three pieces. The idea is
that one first calls GetTemplateArgumentKind (first function) to
determine the what kind of a parameter this is. Based on that, one can
then use specialized functions to retrieve the correct value. Currently,
I only implement two of these: GetTypeTemplateArgument and
GetIntegralTemplateArgument.

Reviewers: jingham, clayborg

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D39844

llvm-svn: 318040

1 files changed, 1 insertions, 2 deletions

diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibCxxList.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibCxxList.cpp
index 3a8bc2087f8..6407ae129ad 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/LibCxxList.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibCxxList.cpp
@@ -192,8 +192,7 @@ bool AbstractListFrontEnd::Update() {
 
   if (list_type.GetNumTemplateArguments() == 0)
     return false;
-  TemplateArgumentKind kind;
-  m_element_type = list_type.GetTemplateArgument(0, kind);
+  m_element_type = list_type.GetTypeTemplateArgument(0);
 
   return false;
 }