void ClangDiagnosticConsumer::HandleDiagnostic(
clang::DiagnosticsEngine::Level clangDiagLevel,
const clang::Diagnostic &clangDiag) {
// Handle the module-not-found diagnostic specially if it's a top-level module
// we're looking for.
if (clangDiag.getID() == clang::diag::err_module_not_found &&
CurrentImport && clangDiag.getArgStdStr(0) == CurrentImport->getName()) {
return;
}
const ASTContext &ctx = ImporterImpl.SwiftContext;
if (clangDiag.getID() == clang::diag::err_module_not_built &&
CurrentImport && clangDiag.getArgStdStr(0) == CurrentImport->getName()) {
SourceLoc loc = DiagLoc;
if (clangDiag.getLocation().isValid())
loc = resolveSourceLocation(clangDiag.getSourceManager(),
clangDiag.getLocation());
ctx.Diags.diagnose(loc, diag::clang_cannot_build_module,
CurrentImport->getName());
return;
}
// Satisfy the default implementation (bookkeeping).
if (DumpToStderr)
TextDiagnosticPrinter::HandleDiagnostic(clangDiagLevel, clangDiag);
else
DiagnosticConsumer::HandleDiagnostic(clangDiagLevel, clangDiag);
// FIXME: Map over source ranges in the diagnostic.
auto emitDiag = [&ctx, this](clang::FullSourceLoc clangNoteLoc,
clang::DiagnosticsEngine::Level clangDiagLevel,
StringRef message) {
decltype(diag::error_from_clang) diagKind;
switch (clangDiagLevel) {
case clang::DiagnosticsEngine::Ignored:
return;
case clang::DiagnosticsEngine::Note:
diagKind = diag::note_from_clang;
break;
case clang::DiagnosticsEngine::Remark:
// FIXME: We don't handle remarks yet.
return;
case clang::DiagnosticsEngine::Warning:
diagKind = diag::warning_from_clang;
break;
case clang::DiagnosticsEngine::Error:
case clang::DiagnosticsEngine::Fatal:
// FIXME: What happens after a fatal error in the importer?
diagKind = diag::error_from_clang;
break;
}
SourceLoc noteLoc;
if (clangNoteLoc.isValid())
noteLoc = resolveSourceLocation(clangNoteLoc.getManager(),
clangNoteLoc);
ctx.Diags.diagnose(noteLoc, diagKind, message);
};
llvm::SmallString<128> message;
clangDiag.FormatDiagnostic(message);
if (clangDiag.getLocation().isInvalid()) {
// Diagnostic about the compiler arguments.
emitDiag(clang::FullSourceLoc(), clangDiagLevel, message);
} else {
assert(clangDiag.hasSourceManager());
ClangDiagRenderer renderer(ImporterImpl.getClangASTContext(), emitDiag);
renderer.emitDiagnostic(clangDiag.getLocation(), clangDiagLevel, message,
clangDiag.getRanges(), clangDiag.getFixItHints(),
&clangDiag.getSourceManager());
}
}
void
HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const clang::Diagnostic &Info)
{
if (m_manager)
{
llvm::SmallVector<char, 32> diag_str;
Info.FormatDiagnostic(diag_str);
diag_str.push_back('\0');
const char *data = diag_str.data();
lldb_private::DiagnosticSeverity severity;
bool make_new_diagnostic = true;
switch (DiagLevel)
{
case DiagnosticsEngine::Level::Fatal:
case DiagnosticsEngine::Level::Error:
severity = eDiagnosticSeverityError;
break;
case DiagnosticsEngine::Level::Warning:
severity = eDiagnosticSeverityWarning;
break;
case DiagnosticsEngine::Level::Remark:
case DiagnosticsEngine::Level::Ignored:
severity = eDiagnosticSeverityRemark;
break;
case DiagnosticsEngine::Level::Note:
m_manager->AppendMessageToDiagnostic(data);
make_new_diagnostic = false;
}
if (make_new_diagnostic)
{
ClangDiagnostic *new_diagnostic = new ClangDiagnostic(data, severity, Info.getID());
m_manager->AddDiagnostic(new_diagnostic);
// Don't store away warning fixits, since the compiler doesn't have enough
// context in an expression for the warning to be useful.
// FIXME: Should we try to filter out FixIts that apply to our generated
// code, and not the user's expression?
if (severity == eDiagnosticSeverityError)
{
size_t num_fixit_hints = Info.getNumFixItHints();
for (size_t i = 0; i < num_fixit_hints; i++)
{
const clang::FixItHint &fixit = Info.getFixItHint(i);
if (!fixit.isNull())
new_diagnostic->AddFixitHint(fixit);
}
}
}
}
m_passthrough->HandleDiagnostic(DiagLevel, Info);
}
