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//===- 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::elfabi;
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));
}
}
LLVM_ATTRIBUTE_NORETURN void ErrorCollector::fatalUnhandledError() {
errs() << "Program aborted due to unhandled Error(s):\n";
log(errs());
errs() << "\n";
abort();
}
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