[NativePDB] Add a FromCompilerDecl for going from lldb -> clang

Summary:
A common transformation in NativePDB is to go from lldb types to clang
types and vice versa. This function automates one of those steps.

Differential Revision: https://reviews.llvm.org/D64851

llvm-svn: 366345

2 files changed, 5 insertions, 0 deletions

diff --git a/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp b/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
index eb8da2a51b6..4991be8e70c 100644
--- a/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
+++ b/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
@@ -1354,6 +1354,10 @@ PdbAstBuilder::ToCompilerDeclContext(clang::DeclContext &context) {
   return {&m_clang, &context};
 }
 
+clang::Decl * PdbAstBuilder::FromCompilerDecl(CompilerDecl decl) {
+  return static_cast<clang::Decl *>(decl.GetOpaqueDecl());
+}
+
 clang::DeclContext *
 PdbAstBuilder::FromCompilerDeclContext(CompilerDeclContext context) {
   return static_cast<clang::DeclContext *>(context.GetOpaqueDeclContext());
diff --git a/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h b/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
index 8331abeaf47..67d024741e0 100644
--- a/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
+++ b/lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
@@ -76,6 +76,7 @@ public:
   CompilerDecl ToCompilerDecl(clang::Decl &decl);
   CompilerType ToCompilerType(clang::QualType qt);
   CompilerDeclContext ToCompilerDeclContext(clang::DeclContext &context);
+  clang::Decl * FromCompilerDecl(CompilerDecl decl);
   clang::DeclContext *FromCompilerDeclContext(CompilerDeclContext context);
 
   ClangASTContext &clang() { return m_clang; }