llvm-dwp: Use llvm::Error to improve diagnostic quality/error handling in llvm-dwp

llvm-svn: 269339

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/tools/llvm-dwp/DWPError.h b/llvm/tools/llvm-dwp/DWPError.h
new file mode 100644
index 00000000000..e0dd4edc8a8
--- /dev/null
+++ b/llvm/tools/llvm-dwp/DWPError.h
@@ -0,0 +1,17 @@
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+#include <string>
+namespace llvm {
+class DWPError : public ErrorInfo<DWPError> {
+public:
+  DWPError(std::string Info) : Info(std::move(Info)) {}
+  void log(raw_ostream &OS) const override { OS << Info; }
+  std::error_code convertToErrorCode() const override {
+    llvm_unreachable("Not implemented");
+  }
+  static char ID;
+
+private:
+  std::string Info;
+};
+}