void ClangTidyDiagnosticConsumer::addFixes(const Diagnostic &Info,
ClangTidyError &Error) {
if (!Info.hasSourceManager())
return;
SourceManager &SourceMgr = Info.getSourceManager();
tooling::Replacements Replacements;
for (unsigned i = 0, e = Info.getNumFixItHints(); i != e; ++i) {
Error.Fix.insert(tooling::Replacement(
SourceMgr, Info.getFixItHint(i).RemoveRange.getBegin(), 0,
Info.getFixItHint(i).CodeToInsert));
}
}
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;
}
Stream.EnterSubblock(BLOCK_DIAG, 4);
// Emit the RECORD_DIAG record.
Record.clear();
Record.push_back(RECORD_DIAG);
Record.push_back(DiagLevel);
AddLocToRecord(Info.getLocation(), Record);
// Emit the category string lazily and get the category ID.
Record.push_back(getEmitCategory(Info.getID()));
// Emit the diagnostic flag string lazily and get the mapped ID.
Record.push_back(getEmitDiagnosticFlag(DiagLevel, Info));
// Emit the diagnostic text.
diagBuf.clear();
Info.FormatDiagnostic(diagBuf); // Compute the diagnostic text.
Record.push_back(diagBuf.str().size());
Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_DIAG), Record, diagBuf.str());
// Emit Source Ranges.
ArrayRef<CharSourceRange> Ranges = Info.getRanges();
for (ArrayRef<CharSourceRange>::iterator it=Ranges.begin(), ei=Ranges.end();
it != ei; ++it) {
EmitCharSourceRange(*it);
}
// Emit FixIts.
for (unsigned i = 0, n = Info.getNumFixItHints(); i != n; ++i) {
const FixItHint &fix = Info.getFixItHint(i);
if (fix.isNull())
continue;
Record.clear();
Record.push_back(RECORD_FIXIT);
AddCharSourceRangeToRecord(fix.RemoveRange, Record);
Record.push_back(fix.CodeToInsert.size());
Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_FIXIT), Record,
fix.CodeToInsert);
}
if (DiagLevel == DiagnosticsEngine::Note) {
// Notes currently cannot have child diagnostics. Complete the
// diagnostic now.
Stream.ExitBlock();
}
}
StoredDiagnostic::StoredDiagnostic(DiagnosticsEngine::Level Level,
const Diagnostic &Info)
: ID(Info.getID()), Level(Level)
{
assert((Info.getLocation().isInvalid() || Info.hasSourceManager()) &&
"Valid source location without setting a source manager for diagnostic");
if (Info.getLocation().isValid())
Loc = FullSourceLoc(Info.getLocation(), Info.getSourceManager());
SmallString<64> Message;
Info.FormatDiagnostic(Message);
this->Message.assign(Message.begin(), Message.end());
Ranges.reserve(Info.getNumRanges());
for (unsigned I = 0, N = Info.getNumRanges(); I != N; ++I)
Ranges.push_back(Info.getRange(I));
FixIts.reserve(Info.getNumFixItHints());
for (unsigned I = 0, N = Info.getNumFixItHints(); I != N; ++I)
FixIts.push_back(Info.getFixItHint(I));
}
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);
}
