050892d2f8
[Offload] Use new error code handling mechanism This removes the old ErrorCode-less error method and requires every user to provide a concrete error code. All calls have been updated. In addition, for consistency with error messages elsewhere in LLVM, all messages have been made to start lower case.
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
//===- OffloadError.h - Definition of error class -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//===----------------------------------------------------------------------===//
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#ifndef OPENMP_LIBOMPTARGET_PLUGINS_NEXTGEN_COMMON_OFFLOAD_ERROR_H
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#define OPENMP_LIBOMPTARGET_PLUGINS_NEXTGEN_COMMON_OFFLOAD_ERROR_H
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ErrorHandling.h"
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namespace error {
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enum class ErrorCode {
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#define OFFLOAD_ERRC(Name, _, Value) Name = Value,
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#include "Shared/OffloadErrcodes.inc"
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#undef OFFLOAD_ERRC
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};
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} // namespace error
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namespace std {
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template <> struct is_error_code_enum<error::ErrorCode> : std::true_type {};
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} // namespace std
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namespace error {
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const std::error_category &OffloadErrCategory();
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inline std::error_code make_error_code(ErrorCode E) {
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return std::error_code(static_cast<int>(E), OffloadErrCategory());
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}
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/// Base class for errors originating in DIA SDK, e.g. COM calls
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class OffloadError : public llvm::ErrorInfo<OffloadError, llvm::StringError> {
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public:
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using ErrorInfo<OffloadError, StringError>::ErrorInfo;
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OffloadError(const llvm::Twine &S) : ErrorInfo(S, ErrorCode::UNKNOWN) {}
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// The definition for this resides in the plugin static library
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static char ID;
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};
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/// Create an Offload error.
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template <typename... ArgsTy>
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static llvm::Error createOffloadError(error::ErrorCode Code, const char *ErrFmt,
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ArgsTy... Args) {
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std::string Buffer;
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llvm::raw_string_ostream(Buffer) << llvm::format(ErrFmt, Args...);
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return llvm::make_error<error::OffloadError>(Code, Buffer);
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}
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inline llvm::Error createOffloadError(error::ErrorCode Code, const char *S) {
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return llvm::make_error<error::OffloadError>(Code, S);
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}
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// The OffloadError will have a message of either:
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// * "{Context}: {Message}" if the other error is a StringError
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// * "{Context}" otherwise
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inline llvm::Error createOffloadError(error::ErrorCode Code,
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llvm::Error &&OtherError,
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const char *Context) {
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std::string Buffer{Context};
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llvm::raw_string_ostream buffer(Buffer);
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handleAllErrors(
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std::move(OtherError),
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[&](llvm::StringError &Err) {
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buffer << ": ";
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buffer << Err.getMessage();
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},
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[&](llvm::ErrorInfoBase &Err) {
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// Non-string error message don't add anything to the offload error's
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// error message
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});
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return llvm::make_error<error::OffloadError>(Code, Buffer);
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}
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} // namespace error
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#endif
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