[DebugInfoPDB] Add DIA implementation for getSrcLineOnTypeDefn

Summary: This helps to determine the line number for a PDB type with definition

Reviewers: zturner, llvm-commits, rnk

Reviewed By: zturner

Subscribers: rengolin, JDevlieghere

Differential Revision: https://reviews.llvm.org/D44119

llvm-svn: 326857

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
index 577e7c9ff81..0f763cdd54c 100644
--- a/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIARawSymbol.cpp
@@ -13,6 +13,7 @@
 #include "llvm/DebugInfo/CodeView/Formatters.h"
 #include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h"
 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
+#include "llvm/DebugInfo/PDB/DIA/DIALineNumber.h"
 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
 #include "llvm/DebugInfo/PDB/PDBExtras.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
@@ -748,6 +749,15 @@ std::string DIARawSymbol::getSourceFileName() const {
   return PrivateGetDIAValue(Symbol, &IDiaSymbol::get_sourceFileName);
 }
 
+std::unique_ptr<IPDBLineNumber>
+DIARawSymbol::getSrcLineOnTypeDefn() const {
+  CComPtr<IDiaLineNumber> LineNumber;
+  if (FAILED(Symbol->getSrcLineOnTypeDefn(&LineNumber)) || !LineNumber)
+    return nullptr;
+
+  return llvm::make_unique<DIALineNumber>(LineNumber);
+}
+
 uint32_t DIARawSymbol::getStride() const {
   return PrivateGetDIAValue(Symbol, &IDiaSymbol::get_stride);
 }