text: //===- Error.cpp - system_error extensions for Object -----------*- C++ -*-===//
  //
  //                     The LLVM37 Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  //
  // This defines a new error_category for the Object library.
  //
  //===----------------------------------------------------------------------===//
  
  #include "llvm37/Object/Error.h"
  #include "llvm37/Support/ErrorHandling.h"
  #include "llvm37/Support/ManagedStatic.h"
  
  using namespace llvm37;
  using namespace object;
  
  namespace {
  class _object_error_category : public std::error_category {
  public:
    const char* name() const LLVM37_NOEXCEPT override;
    std::string message(int ev) const override;
  };
  }
  
  const char *_object_error_category::name() const LLVM37_NOEXCEPT {
    return "llvm.object";
  }
  
  std::string _object_error_category::message(int EV) const {
    object_error E = static_cast<object_error>(EV);
    switch (E) {
    case object_error::arch_not_found:
      return "No object file for requested architecture";
    case object_error::invalid_file_type:
      return "The file was not recognized as a valid object file";
    case object_error::parse_failed:
      return "Invalid data was encountered while parsing the file";
    case object_error::unexpected_eof:
      return "The end of the file was unexpectedly encountered";
    case object_error::string_table_non_null_end:
      return "String table must end with a null terminator";
    case object_error::invalid_section_index:
      return "Invalid section index";
    case object_error::bitcode_section_not_found:
      return "Bitcode section not found in object file";
    case object_error::macho_small_load_command:
      return "Mach-O load command with size < 8 bytes";
    case object_error::macho_load_segment_too_many_sections:
      return "Mach-O segment load command contains too many sections";
    case object_error::macho_load_segment_too_small:
      return "Mach-O segment load command size is too small";
    }
    llvm37_unreachable("An enumerator of object_error does not have a message "
                     "defined.");
  }
  
  static ManagedStatic<_object_error_category> error_category;
  
  const std::error_category &object::object_category() {
    return *error_category;
  }
  