llvm-project/lldb/source/Expression/DiagnosticManager.cpp

79 lines
2.1 KiB
C++

//===-- DiagnosticManager.cpp -----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Expression/DiagnosticManager.h"
#include "llvm/Support/ErrorHandling.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb_private;
void DiagnosticManager::Dump(Log *log) {
if (!log)
return;
std::string str = GetString();
// GetString() puts a separator after each diagnostic. We want to remove the
// last '\n' because log->PutCString will add one for us.
if (str.size() && str.back() == '\n') {
str.pop_back();
}
log->PutCString(str.c_str());
}
static const char *StringForSeverity(DiagnosticSeverity severity) {
switch (severity) {
// this should be exhaustive
case lldb_private::eDiagnosticSeverityError:
return "error: ";
case lldb_private::eDiagnosticSeverityWarning:
return "warning: ";
case lldb_private::eDiagnosticSeverityRemark:
return "";
}
llvm_unreachable("switch needs another case for DiagnosticSeverity enum");
}
std::string DiagnosticManager::GetString(char separator) {
std::string ret;
for (const auto &diagnostic : Diagnostics()) {
ret.append(StringForSeverity(diagnostic->GetSeverity()));
ret.append(diagnostic->GetMessage());
ret.push_back(separator);
}
return ret;
}
size_t DiagnosticManager::Printf(DiagnosticSeverity severity,
const char *format, ...) {
StreamString ss;
va_list args;
va_start(args, format);
size_t result = ss.PrintfVarArg(format, args);
va_end(args);
AddDiagnostic(ss.GetString(), severity, eDiagnosticOriginLLDB);
return result;
}
void DiagnosticManager::PutString(DiagnosticSeverity severity,
llvm::StringRef str) {
if (str.empty())
return;
AddDiagnostic(str, severity, eDiagnosticOriginLLDB);
}