1//===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This implements the tool_output_file class.
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/Support/ToolOutputFile.h"
15#include "llvm/Support/Signals.h"
16using namespace llvm;
17
18tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
19  : Filename(filename), Keep(false) {
20  // Arrange for the file to be deleted if the process is killed.
21  if (Filename != "-")
22    sys::RemoveFileOnSignal(sys::Path(Filename));
23}
24
25tool_output_file::CleanupInstaller::~CleanupInstaller() {
26  // Delete the file if the client hasn't told us not to.
27  if (!Keep && Filename != "-")
28    sys::Path(Filename).eraseFromDisk();
29
30  // Ok, the file is successfully written and closed, or deleted. There's no
31  // further need to clean it up on signals.
32  if (Filename != "-")
33    sys::DontRemoveFileOnSignal(sys::Path(Filename));
34}
35
36tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
37                                   unsigned Flags)
38  : Installer(filename),
39    OS(filename, ErrorInfo, Flags) {
40  // If open fails, no cleanup is needed.
41  if (!ErrorInfo.empty())
42    Installer.Keep = true;
43}
44