You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.8 KiB
60 lines
1.8 KiB
4 months ago
|
//===--- 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;
|
||
|
|
|
||
|
|
static bool isStdout(StringRef Filename) { return Filename == "-"; }
|
||
|
|
|
||
|
|
ToolOutputFile::CleanupInstaller::CleanupInstaller(StringRef Filename)
|
||
|
|
: Filename(std::string(Filename)), Keep(false) {
|
||
|
|
// Arrange for the file to be deleted if the process is killed.
|
||
|
|
if (!isStdout(Filename))
|
||
|
|
sys::RemoveFileOnSignal(Filename);
|
||
|
|
}
|
||
|
|
|
||
|
|
ToolOutputFile::CleanupInstaller::~CleanupInstaller() {
|
||
|
|
if (isStdout(Filename))
|
||
|
|
return;
|
||
|
|
|
||
|
|
// Delete the file if the client hasn't told us not to.
|
||
|
|
if (!Keep)
|
||
|
|
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.
|
||
|
|
sys::DontRemoveFileOnSignal(Filename);
|
||
|
|
}
|
||
|
|
|
||
|
|
ToolOutputFile::ToolOutputFile(StringRef Filename, std::error_code &EC,
|
||
|
|
sys::fs::OpenFlags Flags)
|
||
|
|
: Installer(Filename) {
|
||
|
|
if (isStdout(Filename)) {
|
||
|
|
OS = &outs();
|
||
|
|
EC = std::error_code();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
OSHolder.emplace(Filename, EC, Flags);
|
||
|
|
OS = OSHolder.getPointer();
|
||
|
|
// If open fails, no cleanup is needed.
|
||
|
|
if (EC)
|
||
|
|
Installer.Keep = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
ToolOutputFile::ToolOutputFile(StringRef Filename, int FD)
|
||
|
|
: Installer(Filename) {
|
||
|
|
OSHolder.emplace(FD, true);
|
||
|
|
OS = OSHolder.getPointer();
|
||
|
|
}
|