Better diagnostics

This commit is contained in:
Fangrui Song 2018-09-12 23:07:47 -07:00
parent da019ea1cd
commit 25fb7defc3
2 changed files with 73 additions and 19 deletions

View File

@ -267,6 +267,34 @@ void CompletionMain(CompletionManager *completion_manager) {
}
}
llvm::StringRef diagLeveltoString(DiagnosticsEngine::Level Lvl) {
switch (Lvl) {
case DiagnosticsEngine::Ignored:
return "ignored";
case DiagnosticsEngine::Note:
return "note";
case DiagnosticsEngine::Remark:
return "remark";
case DiagnosticsEngine::Warning:
return "warning";
case DiagnosticsEngine::Error:
return "error";
case DiagnosticsEngine::Fatal:
return "fatal error";
}
}
void printDiag(llvm::raw_string_ostream &OS, const DiagBase &d) {
if (d.inside_main)
OS << llvm::sys::path::filename(d.file);
else
OS << d.file;
auto pos = d.range.start;
OS << ":" << (pos.line + 1) << ":" << (pos.column + 1) << ":"
<< (d.inside_main ? " " : "\n");
OS << diagLeveltoString(d.level) << ": " << d.message;
}
void DiagnosticMain(CompletionManager *manager) {
while (true) {
// Fetching the completion request blocks until we have a request.
@ -295,30 +323,56 @@ void DiagnosticMain(CompletionManager *manager) {
for (auto &Buf : Bufs)
Buf.release();
auto Fill = [](const DiagBase &d, lsDiagnostic &ret) {
ret.range = lsRange{{d.range.start.line, d.range.start.column},
{d.range.end.line, d.range.end.column}};
switch (d.level) {
case DiagnosticsEngine::Ignored:
// llvm_unreachable
case DiagnosticsEngine::Remark:
ret.severity = lsDiagnosticSeverity::Hint;
break;
case DiagnosticsEngine::Note:
ret.severity = lsDiagnosticSeverity::Information;
break;
case DiagnosticsEngine::Warning:
ret.severity = lsDiagnosticSeverity::Warning;
break;
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
ret.severity = lsDiagnosticSeverity::Error;
break;
}
ret.code = d.category;
return ret;
};
std::vector<lsDiagnostic> ls_diags;
for (auto &d : DC.Take()) {
if (!d.inside_main)
continue;
std::string buf;
llvm::raw_string_ostream OS(buf);
lsDiagnostic &ls_diag = ls_diags.emplace_back();
ls_diag.range = lsRange{{d.range.start.line, d.range.start.column},
{d.range.end.line, d.range.end.column}};
ls_diag.message = d.message;
switch (d.level) {
case DiagnosticsEngine::Ignored:
// llvm_unreachable
case DiagnosticsEngine::Note:
case DiagnosticsEngine::Remark:
ls_diag.severity = lsDiagnosticSeverity::Information;
continue;
case DiagnosticsEngine::Warning:
ls_diag.severity = lsDiagnosticSeverity::Warning;
break;
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
ls_diag.severity = lsDiagnosticSeverity::Error;
}
ls_diag.code = d.category;
Fill(d, ls_diag);
ls_diag.fixits_ = d.edits;
OS << d.message;
for (auto &n : d.notes) {
OS << "\n\n";
printDiag(OS, n);
}
OS.flush();
ls_diag.message = std::move(buf);
for (auto &n : d.notes) {
if (!n.inside_main)
continue;
lsDiagnostic &ls_diag1 = ls_diags.emplace_back();
Fill(n, ls_diag1);
OS << n.message << "\n\n";
printDiag(OS, d);
OS.flush();
ls_diag1.message = std::move(buf);
}
}
manager->on_diagnostic_(path, ls_diags);
}

View File

@ -39,7 +39,7 @@ MAKE_REFLECT_STRUCT(lsSignatureInformation, label, documentation, parameters);
struct lsSignatureHelp {
std::vector<lsSignatureInformation> signatures;
int activeSignature = 0;
int activeParameter;
int activeParameter = 0;
};
MAKE_REFLECT_STRUCT(lsSignatureHelp, signatures, activeSignature,
activeParameter);