1//===- ErrorCollector.cpp -------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===-----------------------------------------------------------------------===/
8
9#include "ErrorCollector.h"
10#include "llvm/Support/Errc.h"
11#include "llvm/Support/Error.h"
12#include "llvm/Support/WithColor.h"
13#include "llvm/Support/raw_ostream.h"
14
15using namespace llvm;
16using namespace llvm::ifs;
17
18void ErrorCollector::escalateToFatal() { ErrorsAreFatal = true; }
19
20void ErrorCollector::addError(Error &&Err, StringRef Tag) {
21 if (Err) {
22 Errors.push_back(x: std::move(Err));
23 Tags.push_back(x: Tag.str());
24 }
25}
26
27Error ErrorCollector::makeError() {
28 // TODO: Make this return something (an AggregateError?) that gives more
29 // individual control over each error and which might be of interest.
30 Error JoinedErrors = Error::success();
31 for (Error &E : Errors) {
32 JoinedErrors = joinErrors(E1: std::move(JoinedErrors), E2: std::move(E));
33 }
34 Errors.clear();
35 Tags.clear();
36 return JoinedErrors;
37}
38
39void ErrorCollector::log(raw_ostream &OS) {
40 OS << "Encountered multiple errors:\n";
41 for (size_t i = 0; i < Errors.size(); ++i) {
42 WithColor::error(OS) << "(" << Tags[i] << ") " << Errors[i];
43 if (i != Errors.size() - 1)
44 OS << "\n";
45 }
46}
47
48bool ErrorCollector::allErrorsHandled() const { return Errors.empty(); }
49
50ErrorCollector::~ErrorCollector() {
51 if (ErrorsAreFatal && !allErrorsHandled())
52 fatalUnhandledError();
53
54 for (Error &E : Errors) {
55 consumeError(Err: std::move(E));
56 }
57}
58
59[[noreturn]] void ErrorCollector::fatalUnhandledError() {
60 errs() << "Program aborted due to unhandled Error(s):\n";
61 log(OS&: errs());
62 errs() << "\n";
63 abort();
64}
65