| //===- ErrorCollector.cpp -------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===-----------------------------------------------------------------------===/ |
| |
| #include "ErrorCollector.h" |
| #include "llvm/Support/Errc.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/WithColor.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <vector> |
| |
| using namespace llvm; |
| using namespace llvm::ifs; |
| |
| void ErrorCollector::escalateToFatal() { ErrorsAreFatal = true; } |
| |
| void ErrorCollector::addError(Error &&Err, StringRef Tag) { |
| if (Err) { |
| Errors.push_back(std::move(Err)); |
| Tags.push_back(Tag.str()); |
| } |
| } |
| |
| Error ErrorCollector::makeError() { |
| // TODO: Make this return something (an AggregateError?) that gives more |
| // individual control over each error and which might be of interest. |
| Error JoinedErrors = Error::success(); |
| for (Error &E : Errors) { |
| JoinedErrors = joinErrors(std::move(JoinedErrors), std::move(E)); |
| } |
| Errors.clear(); |
| Tags.clear(); |
| return JoinedErrors; |
| } |
| |
| void ErrorCollector::log(raw_ostream &OS) { |
| OS << "Encountered multiple errors:\n"; |
| for (size_t i = 0; i < Errors.size(); ++i) { |
| WithColor::error(OS) << "(" << Tags[i] << ") " << Errors[i]; |
| if (i != Errors.size() - 1) |
| OS << "\n"; |
| } |
| } |
| |
| bool ErrorCollector::allErrorsHandled() const { return Errors.empty(); } |
| |
| ErrorCollector::~ErrorCollector() { |
| if (ErrorsAreFatal && !allErrorsHandled()) |
| fatalUnhandledError(); |
| |
| for (Error &E : Errors) { |
| consumeError(std::move(E)); |
| } |
| } |
| |
| [[noreturn]] void ErrorCollector::fatalUnhandledError() { |
| errs() << "Program aborted due to unhandled Error(s):\n"; |
| log(errs()); |
| errs() << "\n"; |
| abort(); |
| } |