1 files changed, 53 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/Native/RawError.cpp b/llvm/lib/DebugInfo/PDB/Native/RawError.cpp
new file mode 100644
index 0000000000000..ed6cf08396755
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/Native/RawError.cpp
@@ -0,0 +1,53 @@
+#include "llvm/DebugInfo/PDB/Native/RawError.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ManagedStatic.h"
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+namespace {
+// FIXME: This class is only here to support the transition to llvm::Error. It
+// will be removed once this transition is complete. Clients should prefer to
+// deal with the Error value directly, rather than converting to error_code.
+class RawErrorCategory : public std::error_category {
+public:
+  const char *name() const noexcept override { return "llvm.pdb.raw"; }
+  std::string message(int Condition) const override {
+    switch (static_cast<raw_error_code>(Condition)) {
+    case raw_error_code::unspecified:
+      return "An unknown error has occurred.";
+    case raw_error_code::feature_unsupported:
+      return "The feature is unsupported by the implementation.";
+    case raw_error_code::invalid_format:
+      return "The record is in an unexpected format.";
+    case raw_error_code::corrupt_file:
+      return "The PDB file is corrupt.";
+    case raw_error_code::insufficient_buffer:
+      return "The buffer is not large enough to read the requested number of "
+             "bytes.";
+    case raw_error_code::no_stream:
+      return "The specified stream could not be loaded.";
+    case raw_error_code::index_out_of_bounds:
+      return "The specified item does not exist in the array.";
+    case raw_error_code::invalid_block_address:
+      return "The specified block address is not valid.";
+    case raw_error_code::duplicate_entry:
+      return "The entry already exists.";
+    case raw_error_code::no_entry:
+      return "The entry does not exist.";
+    case raw_error_code::not_writable:
+      return "The PDB does not support writing.";
+    case raw_error_code::stream_too_long:
+      return "The stream was longer than expected.";
+    case raw_error_code::invalid_tpi_hash:
+      return "The Type record has an invalid hash value.";
+    }
+    llvm_unreachable("Unrecognized raw_error_code");
+  }
+};
+} // namespace
+
+static llvm::ManagedStatic<RawErrorCategory> RawCategory;
+const std::error_category &llvm::pdb::RawErrCategory() { return *RawCategory; }
+
+char RawError::ID;