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665c2772fd
This helps make clear that we're moving away from std::error_code. Differential Revision: http://reviews.llvm.org/D20592 llvm-svn: 270604
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
//===- Error.cpp - system_error extensions for llvm-readobj -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This defines a new error_category for the llvm-readobj tool.
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//
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//===----------------------------------------------------------------------===//
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#include "Error.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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namespace {
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// FIXME: This class is only here to support the transition to llvm::Error. It
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// will be removed once this transition is complete. Clients should prefer to
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// deal with the Error value directly, rather than converting to error_code.
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class _readobj_error_category : public std::error_category {
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public:
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const char* name() const LLVM_NOEXCEPT override;
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std::string message(int ev) const override;
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};
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} // namespace
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const char *_readobj_error_category::name() const LLVM_NOEXCEPT {
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return "llvm.readobj";
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}
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std::string _readobj_error_category::message(int EV) const {
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switch (static_cast<readobj_error>(EV)) {
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case readobj_error::success: return "Success";
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case readobj_error::file_not_found:
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return "No such file.";
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case readobj_error::unsupported_file_format:
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return "The file was not recognized as a valid object file.";
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case readobj_error::unrecognized_file_format:
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return "Unrecognized file type.";
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case readobj_error::unsupported_obj_file_format:
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return "Unsupported object file format.";
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case readobj_error::unknown_symbol:
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return "Unknown symbol.";
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}
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llvm_unreachable("An enumerator of readobj_error does not have a message "
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"defined.");
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}
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namespace llvm {
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const std::error_category &readobj_category() {
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static _readobj_error_category o;
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return o;
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}
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} // namespace llvm
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