1 files changed, 33 insertions, 0 deletions
diff --git a/tools/lldb-vscode/SourceReference.h b/tools/lldb-vscode/SourceReference.h
new file mode 100644
index 000000000000..f047143e6c84
--- /dev/null
+++ b/tools/lldb-vscode/SourceReference.h
@@ -0,0 +1,33 @@
+//===-- SourceReference.h ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_SOURCEREFERENCE_H_
+#define LLDBVSCODE_SOURCEREFERENCE_H_
+
+#include "lldb/lldb-types.h"
+#include "llvm/ADT/DenseMap.h"
+#include <string>
+
+namespace lldb_vscode {
+
+struct SourceReference {
+  std::string content;
+  llvm::DenseMap<lldb::addr_t, int64_t> addr_to_line;
+
+  int64_t GetLineForPC(lldb::addr_t pc) const {
+    auto addr_line = addr_to_line.find(pc);
+    if (addr_line != addr_to_line.end())
+      return addr_line->second;
+    return 0;
+  }
+};
+
+} // namespace lldb_vscode
+
+#endif