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

92 lines
2.1 KiB
C++

//===-- DiagnosticManager.cpp -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Expression/DiagnosticManager.h"
#include "llvm/Support/ErrorHandling.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/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 Diagnostic *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.GetData(), severity, eDiagnosticOriginLLDB);
return result;
}
size_t
DiagnosticManager::PutCString(DiagnosticSeverity severity, const char *cstr)
{
if (!cstr)
return 0;
AddDiagnostic(cstr, severity, eDiagnosticOriginLLDB);
return strlen(cstr);
}