From 103c8242f5c72fcddf9797108aa2bf467075cfaa Mon Sep 17 00:00:00 2001
From: malte_langkabel <malte.langkabel@gmail.com>
Date: Wed, 16 Dec 2015 13:27:00 +0100
Subject: [PATCH] logic: fixed template argument parsing crash

* handled case when clang doesn't know the source info of an explicitly specified template argument :(
---
 src/lib_parser/data/parser/cxx/ASTVisitor.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/lib_parser/data/parser/cxx/ASTVisitor.cpp b/src/lib_parser/data/parser/cxx/ASTVisitor.cpp
index 5eaa34f0..6b7dc3ec 100644
--- a/src/lib_parser/data/parser/cxx/ASTVisitor.cpp
+++ b/src/lib_parser/data/parser/cxx/ASTVisitor.cpp
@@ -786,16 +786,23 @@ void ASTVisitor::processTemplateArgumentsOfExplicitSpecialization(clang::ClassTe
 					getParseLocationForTokensInRange(argumentLoc.getSourceRange()),
 					argumentNameHierarchy,
 					specializedRecordNameHierarchy
-					);
+				);
 			}
 		}
 	}
 	else
 	{
-		clang::TypeLoc loc = specializationDecl->getTypeAsWritten()->getTypeLoc();
-		if (loc.getTypeLocClass() == clang::TypeLoc::TypeLocClass::TemplateSpecialization)
+		if (clang::TypeSourceInfo* typeSourceInfo = specializationDecl->getTypeAsWritten())
 		{
-			processTemplateArguments(loc.getAs<clang::TemplateSpecializationTypeLoc>());
+			clang::TypeLoc loc = typeSourceInfo->getTypeLoc();
+			if (loc.getTypeLocClass() == clang::TypeLoc::TypeLocClass::TemplateSpecialization)
+			{
+				processTemplateArguments(loc.getAs<clang::TemplateSpecializationTypeLoc>());
+			}
+		}
+		else
+		{
+			LOG_WARNING("Could not locate template arguments of explicit template specialization: " + specializedRecordNameHierarchy.getFullName());
 		}
 	}
 }