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annotate lib/Support/ToolOutputFile.cpp @ 21:fc4a6333556f

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change error message when tail call elimination is failed.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 14 Oct 2013 19:09:00 +0900
parents 9ad51c7bc036
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1 //===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This implements the tool_output_file class.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "llvm/Support/ToolOutputFile.h"
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15 #include "llvm/Support/Signals.h"
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16 using namespace llvm;
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17
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18 tool_output_file::CleanupInstaller::CleanupInstaller(const char *filename)
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19 : Filename(filename), Keep(false) {
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20 // Arrange for the file to be deleted if the process is killed.
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21 if (Filename != "-")
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22 sys::RemoveFileOnSignal(sys::Path(Filename));
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23 }
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24
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25 tool_output_file::CleanupInstaller::~CleanupInstaller() {
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26 // Delete the file if the client hasn't told us not to.
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27 if (!Keep && Filename != "-")
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28 sys::Path(Filename).eraseFromDisk();
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30 // Ok, the file is successfully written and closed, or deleted. There's no
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31 // further need to clean it up on signals.
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32 if (Filename != "-")
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33 sys::DontRemoveFileOnSignal(sys::Path(Filename));
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34 }
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36 tool_output_file::tool_output_file(const char *filename, std::string &ErrorInfo,
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37 unsigned Flags)
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38 : Installer(filename),
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39 OS(filename, ErrorInfo, Flags) {
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40 // If open fails, no cleanup is needed.
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41 if (!ErrorInfo.empty())
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42 Installer.Keep = true;
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43 }