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llvm-mirror/lib/Support/ToolOutputFile.cpp
Benjamin Kramer 87d13166c7 Make llvm::StringRef to std::string conversions explicit.
This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.

This is mostly mechanical from a custom clang-tidy check, with a lot of
manual fixups. It uncovers a lot of minor inefficiencies.

This doesn't actually modify StringRef yet, I'll do that in a follow-up.
2020-01-28 23:25:25 +01:00

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//===--- ToolOutputFile.cpp - Implement the ToolOutputFile class --------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This implements the ToolOutputFile class.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Signals.h"
using namespace llvm;
ToolOutputFile::CleanupInstaller::CleanupInstaller(StringRef Filename)
: Filename(std::string(Filename)), Keep(false) {
// Arrange for the file to be deleted if the process is killed.
if (Filename != "-")
sys::RemoveFileOnSignal(Filename);
}
ToolOutputFile::CleanupInstaller::~CleanupInstaller() {
// Delete the file if the client hasn't told us not to.
if (!Keep && Filename != "-")
sys::fs::remove(Filename);
// Ok, the file is successfully written and closed, or deleted. There's no
// further need to clean it up on signals.
if (Filename != "-")
sys::DontRemoveFileOnSignal(Filename);
}
ToolOutputFile::ToolOutputFile(StringRef Filename, std::error_code &EC,
sys::fs::OpenFlags Flags)
: Installer(Filename), OS(Filename, EC, Flags) {
// If open fails, no cleanup is needed.
if (EC)
Installer.Keep = true;
}
ToolOutputFile::ToolOutputFile(StringRef Filename, int FD)
: Installer(Filename), OS(FD, true) {}