hanchenye-llvm-project/clang/lib/Frontend/LogDiagnosticPrinter.cpp

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//===--- LogDiagnosticPrinter.cpp - Log Diagnostic Printer ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/LogDiagnosticPrinter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
LogDiagnosticPrinter::LogDiagnosticPrinter(llvm::raw_ostream &os,
const DiagnosticOptions &diags,
bool _OwnsOutputStream)
: OS(os), LangOpts(0), DiagOpts(&diags),
OwnsOutputStream(_OwnsOutputStream) {
}
LogDiagnosticPrinter::~LogDiagnosticPrinter() {
if (OwnsOutputStream)
delete &OS;
}
void LogDiagnosticPrinter::HandleDiagnostic(Diagnostic::Level Level,
const DiagnosticInfo &Info) {
// Default implementation (Warnings/errors count).
DiagnosticClient::HandleDiagnostic(Level, Info);
// Write to a temporary string to ensure atomic write of diagnostic object.
llvm::SmallString<512> Msg;
llvm::raw_svector_ostream OS(Msg);
OS << "hello!\n";
this->OS << OS.str();
}