void VerifyDiagnosticConsumer::HandleDiagnostic(
DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) {
if (Info.hasSourceManager()) {
// If this diagnostic is for a different source manager, ignore it.
if (SrcManager && &Info.getSourceManager() != SrcManager)
return;
setSourceManager(Info.getSourceManager());
}
#ifndef NDEBUG
// Debug build tracks unparsed files for possible
// unparsed expected-* directives.
if (SrcManager) {
SourceLocation Loc = Info.getLocation();
if (Loc.isValid()) {
ParsedStatus PS = IsUnparsed;
Loc = SrcManager->getExpansionLoc(Loc);
FileID FID = SrcManager->getFileID(Loc);
const FileEntry *FE = SrcManager->getFileEntryForID(FID);
if (FE && CurrentPreprocessor && SrcManager->isLoadedFileID(FID)) {
// If the file is a modules header file it shall not be parsed
// for expected-* directives.
HeaderSearch &HS = CurrentPreprocessor->getHeaderSearchInfo();
if (HS.findModuleForHeader(FE))
PS = IsUnparsedNoDirectives;
}
UpdateParsedFileStatus(*SrcManager, FID, PS);
}
}
#endif
// Send the diagnostic to the buffer, we will check it once we reach the end
// of the source file (or are destructed).
Buffer->HandleDiagnostic(DiagLevel, Info);
}
void SDiagsWriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) {
if (DiagLevel != DiagnosticsEngine::Note) {
if (inNonNoteDiagnostic) {
// We have encountered a non-note diagnostic. Finish up the previous
// diagnostic block before starting a new one.
Stream.ExitBlock();
}
inNonNoteDiagnostic = true;
}
// Compute the diagnostic text.
diagBuf.clear();
Info.FormatDiagnostic(diagBuf);
SourceManager &SM = Info.getSourceManager();
SDiagsRenderer Renderer(*this, Record, SM, *LangOpts, DiagOpts);
Renderer.emitDiagnostic(Info.getLocation(), DiagLevel,
diagBuf.str(),
Info.getRanges(),
llvm::makeArrayRef(Info.getFixItHints(),
Info.getNumFixItHints()),
&Info);
}
void FixItRewriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) {
// Default implementation (Warnings/errors count).
DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
if (!FixItOpts->Silent ||
DiagLevel >= DiagnosticsEngine::Error ||
(DiagLevel == DiagnosticsEngine::Note && !PrevDiagSilenced) ||
(DiagLevel > DiagnosticsEngine::Note && Info.getNumFixItHints())) {
Client->HandleDiagnostic(DiagLevel, Info);
PrevDiagSilenced = false;
} else {
PrevDiagSilenced = true;
}
// Skip over any diagnostics that are ignored or notes.
if (DiagLevel <= DiagnosticsEngine::Note)
return;
// Skip over errors if we are only fixing warnings.
if (DiagLevel >= DiagnosticsEngine::Error && FixItOpts->FixOnlyWarnings) {
++NumFailures;
return;
}
// Make sure that we can perform all of the modifications we
// in this diagnostic.
edit::Commit commit(Editor);
for (unsigned Idx = 0, Last = Info.getNumFixItHints();
Idx < Last; ++Idx) {
const FixItHint &Hint = Info.getFixItHint(Idx);
if (Hint.CodeToInsert.empty()) {
if (Hint.InsertFromRange.isValid())
commit.insertFromRange(Hint.RemoveRange.getBegin(),
Hint.InsertFromRange, /*afterToken=*/false,
Hint.BeforePreviousInsertions);
else
commit.remove(Hint.RemoveRange);
} else {
if (Hint.RemoveRange.isTokenRange() ||
Hint.RemoveRange.getBegin() != Hint.RemoveRange.getEnd())
commit.replace(Hint.RemoveRange, Hint.CodeToInsert);
else
commit.insert(Hint.RemoveRange.getBegin(), Hint.CodeToInsert,
/*afterToken=*/false, Hint.BeforePreviousInsertions);
}
}
bool CanRewrite = Info.getNumFixItHints() > 0 && commit.isCommitable();
if (!CanRewrite) {
if (Info.getNumFixItHints() > 0)
Diag(Info.getLocation(), diag::note_fixit_in_macro);
// If this was an error, refuse to perform any rewriting.
if (DiagLevel >= DiagnosticsEngine::Error) {
if (++NumFailures == 1)
Diag(Info.getLocation(), diag::note_fixit_unfixed_error);
}
return;
}
if (!Editor.commit(commit)) {
++NumFailures;
Diag(Info.getLocation(), diag::note_fixit_failed);
return;
}
Diag(Info.getLocation(), diag::note_fixit_applied);
}
void FixItRewriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) {
// Default implementation (Warnings/errors count).
DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
if (!FixItOpts->Silent ||
DiagLevel >= DiagnosticsEngine::Error ||
(DiagLevel == DiagnosticsEngine::Note && !PrevDiagSilenced) ||
(DiagLevel > DiagnosticsEngine::Note && Info.getNumFixItHints())) {
Client->HandleDiagnostic(DiagLevel, Info);
PrevDiagSilenced = false;
} else {
PrevDiagSilenced = true;
}
// Skip over any diagnostics that are ignored or notes.
if (DiagLevel <= DiagnosticsEngine::Note)
return;
// Skip over errors if we are only fixing warnings.
if (DiagLevel >= DiagnosticsEngine::Error && FixItOpts->FixOnlyWarnings) {
++NumFailures;
return;
}
// Make sure that we can perform all of the modifications we
// in this diagnostic.
bool CanRewrite = Info.getNumFixItHints() > 0;
for (unsigned Idx = 0, Last = Info.getNumFixItHints();
Idx < Last; ++Idx) {
const FixItHint &Hint = Info.getFixItHint(Idx);
if (Hint.RemoveRange.isValid() &&
Rewrite.getRangeSize(Hint.RemoveRange) == -1) {
CanRewrite = false;
break;
}
}
if (!CanRewrite) {
if (Info.getNumFixItHints() > 0)
Diag(Info.getLocation(), diag::note_fixit_in_macro);
// If this was an error, refuse to perform any rewriting.
if (DiagLevel >= DiagnosticsEngine::Error) {
if (++NumFailures == 1)
Diag(Info.getLocation(), diag::note_fixit_unfixed_error);
}
return;
}
bool Failed = false;
for (unsigned Idx = 0, Last = Info.getNumFixItHints();
Idx < Last; ++Idx) {
const FixItHint &Hint = Info.getFixItHint(Idx);
if (Hint.CodeToInsert.empty()) {
// We're removing code.
if (Rewrite.RemoveText(Hint.RemoveRange))
Failed = true;
continue;
}
// We're replacing code.
if (Rewrite.ReplaceText(Hint.RemoveRange.getBegin(),
Rewrite.getRangeSize(Hint.RemoveRange),
Hint.CodeToInsert))
Failed = true;
}
if (Failed) {
++NumFailures;
Diag(Info.getLocation(), diag::note_fixit_failed);
return;
}
Diag(Info.getLocation(), diag::note_fixit_applied);
}
void ClangTidyDiagnosticConsumer::HandleDiagnostic(
DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) {
if (LastErrorWasIgnored && DiagLevel == DiagnosticsEngine::Note)
return;
if (Info.getLocation().isValid() && DiagLevel != DiagnosticsEngine::Error &&
DiagLevel != DiagnosticsEngine::Fatal &&
LineIsMarkedWithNOLINTinMacro(Diags->getSourceManager(),
Info.getLocation())) {
++Context.Stats.ErrorsIgnoredNOLINT;
// Ignored a warning, should ignore related notes as well
LastErrorWasIgnored = true;
return;
}
LastErrorWasIgnored = false;
// Count warnings/errors.
DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
if (DiagLevel == DiagnosticsEngine::Note) {
assert(!Errors.empty() &&
"A diagnostic note can only be appended to a message.");
} else {
finalizeLastError();
StringRef WarningOption =
Context.DiagEngine->getDiagnosticIDs()->getWarningOptionForDiag(
Info.getID());
std::string CheckName = !WarningOption.empty()
? ("clang-diagnostic-" + WarningOption).str()
: Context.getCheckName(Info.getID()).str();
if (CheckName.empty()) {
// This is a compiler diagnostic without a warning option. Assign check
// name based on its level.
switch (DiagLevel) {
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
CheckName = "clang-diagnostic-error";
break;
case DiagnosticsEngine::Warning:
CheckName = "clang-diagnostic-warning";
break;
default:
CheckName = "clang-diagnostic-unknown";
break;
}
}
ClangTidyError::Level Level = ClangTidyError::Warning;
if (DiagLevel == DiagnosticsEngine::Error ||
DiagLevel == DiagnosticsEngine::Fatal) {
// Force reporting of Clang errors regardless of filters and non-user
// code.
Level = ClangTidyError::Error;
LastErrorRelatesToUserCode = true;
LastErrorPassesLineFilter = true;
}
bool IsWarningAsError =
DiagLevel == DiagnosticsEngine::Warning &&
Context.getWarningAsErrorFilter().contains(CheckName);
Errors.emplace_back(CheckName, Level, Context.getCurrentBuildDirectory(),
IsWarningAsError);
}
ClangTidyDiagnosticRenderer Converter(
Context.getLangOpts(), &Context.DiagEngine->getDiagnosticOptions(),
Errors.back());
SmallString<100> Message;
Info.FormatDiagnostic(Message);
SourceManager *Sources = nullptr;
if (Info.hasSourceManager())
Sources = &Info.getSourceManager();
Converter.emitDiagnostic(Info.getLocation(), DiagLevel, Message,
Info.getRanges(), Info.getFixItHints(), Sources);
checkFilters(Info.getLocation());
}
