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comparison tools/llvm-cxxdump/Error.cpp @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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children 1172e4bd9c6f
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84:f3e34b893a5f 95:afa8332a0e37
1 //===- Error.cxx - system_error extensions for llvm-cxxdump -----*- C++ -*-===//
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 defines a new error_category for the llvm-cxxdump tool.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "Error.h"
15 #include "llvm/Support/ErrorHandling.h"
16
17 using namespace llvm;
18
19 namespace {
20 class cxxdump_error_category : public std::error_category {
21 public:
22 const char *name() const LLVM_NOEXCEPT override { return "llvm.cxxdump"; }
23 std::string message(int ev) const override {
24 switch (static_cast<cxxdump_error>(ev)) {
25 case cxxdump_error::success:
26 return "Success";
27 case cxxdump_error::file_not_found:
28 return "No such file.";
29 case cxxdump_error::unrecognized_file_format:
30 return "Unrecognized file type.";
31 }
32 llvm_unreachable(
33 "An enumerator of cxxdump_error does not have a message defined.");
34 }
35 };
36 } // namespace
37
38 namespace llvm {
39 const std::error_category &cxxdump_category() {
40 static cxxdump_error_category o;
41 return o;
42 }
43 } // namespace llvm