Simple function for creating Expected<> with nice error messages. Signed-off-by: Anton Johansson <a...@rev.ng> --- subprojects/helper-to-tcg/include/Error.h | 40 +++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 subprojects/helper-to-tcg/include/Error.h
diff --git a/subprojects/helper-to-tcg/include/Error.h b/subprojects/helper-to-tcg/include/Error.h new file mode 100644 index 0000000000..10205e29a6 --- /dev/null +++ b/subprojects/helper-to-tcg/include/Error.h @@ -0,0 +1,40 @@ +// +// Copyright(c) 2024 rev.ng Labs Srl. All Rights Reserved. +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, see <http://www.gnu.org/licenses/>. +// + +#pragma once + +#include <llvm/Support/Error.h> +#include <llvm/IR/Value.h> +#include <llvm/IR/ModuleSlotTracker.h> + +inline llvm::Error mkError(const llvm::StringRef Msg) +{ + return llvm::createStringError(llvm::inconvertibleErrorCode(), Msg); +} + +// TODO: Usage of mkError and dbgs() for serializing Values is __really__ slow, +// and should only occur for error reporting. Wrap these in a class with a +// ModuleSlotTracker. +inline llvm::Error mkError(const llvm::StringRef Msg, const llvm::Value *V) +{ + std::string Str; + llvm::raw_string_ostream Stream(Str); + Stream << Msg; + Stream << *V; + Stream.flush(); + return llvm::createStringError(llvm::inconvertibleErrorCode(), Str); +} -- 2.45.2
