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			906 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			906 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===---------------------------- system_error ------------------*- 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 was lifted from libc++ and modified for C++03. This is called
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// system_error even though it does not define that class because that's what
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// it's called in C++0x. We don't define system_error because it is only used
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// for exception handling, which we don't use in LLVM.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SYSTEM_SYSTEM_ERROR_H
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#define LLVM_SYSTEM_SYSTEM_ERROR_H
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#include "llvm/Support/Compiler.h"
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/*
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    system_error synopsis
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namespace std
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{
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class error_category
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{
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public:
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    virtual ~error_category();
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    error_category(const error_category&) = delete;
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    error_category& operator=(const error_category&) = delete;
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    virtual const char* name() const = 0;
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    virtual error_condition default_error_condition(int ev) const;
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    virtual bool equivalent(int code, const error_condition& condition) const;
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    virtual bool equivalent(const error_code& code, int condition) const;
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    virtual std::string message(int ev) const = 0;
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    bool operator==(const error_category& rhs) const;
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    bool operator!=(const error_category& rhs) const;
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    bool operator<(const error_category& rhs) const;
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};
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const error_category& generic_category();
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const error_category& system_category();
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template <class T> struct is_error_code_enum
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    : public false_type {};
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template <class T> struct is_error_condition_enum
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    : public false_type {};
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class error_code
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{
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public:
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    // constructors:
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    error_code();
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    error_code(int val, const error_category& cat);
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    template <class ErrorCodeEnum>
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        error_code(ErrorCodeEnum e);
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    // modifiers:
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    void assign(int val, const error_category& cat);
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    template <class ErrorCodeEnum>
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        error_code& operator=(ErrorCodeEnum e);
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    void clear();
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    // observers:
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    int value() const;
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    const error_category& category() const;
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    error_condition default_error_condition() const;
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    std::string message() const;
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    explicit operator bool() const;
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};
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// non-member functions:
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bool operator<(const error_code& lhs, const error_code& rhs);
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template <class charT, class traits>
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    basic_ostream<charT,traits>&
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    operator<<(basic_ostream<charT,traits>& os, const error_code& ec);
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class error_condition
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{
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public:
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    // constructors:
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    error_condition();
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    error_condition(int val, const error_category& cat);
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    template <class ErrorConditionEnum>
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        error_condition(ErrorConditionEnum e);
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    // modifiers:
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    void assign(int val, const error_category& cat);
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    template <class ErrorConditionEnum>
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        error_condition& operator=(ErrorConditionEnum e);
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    void clear();
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    // observers:
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    int value() const;
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    const error_category& category() const;
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    std::string message() const;
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    explicit operator bool() const;
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};
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bool operator<(const error_condition& lhs, const error_condition& rhs);
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class system_error
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    : public runtime_error
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{
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public:
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    system_error(error_code ec, const std::string& what_arg);
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    system_error(error_code ec, const char* what_arg);
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    system_error(error_code ec);
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    system_error(int ev, const error_category& ecat, const std::string& what_arg);
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    system_error(int ev, const error_category& ecat, const char* what_arg);
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    system_error(int ev, const error_category& ecat);
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    const error_code& code() const throw();
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    const char* what() const throw();
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};
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enum class errc
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{
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    address_family_not_supported,       // EAFNOSUPPORT
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    address_in_use,                     // EADDRINUSE
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    address_not_available,              // EADDRNOTAVAIL
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    already_connected,                  // EISCONN
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    argument_list_too_long,             // E2BIG
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    argument_out_of_domain,             // EDOM
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    bad_address,                        // EFAULT
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    bad_file_descriptor,                // EBADF
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    bad_message,                        // EBADMSG
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    broken_pipe,                        // EPIPE
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    connection_aborted,                 // ECONNABORTED
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    connection_already_in_progress,     // EALREADY
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    connection_refused,                 // ECONNREFUSED
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    connection_reset,                   // ECONNRESET
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    cross_device_link,                  // EXDEV
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    destination_address_required,       // EDESTADDRREQ
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    device_or_resource_busy,            // EBUSY
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    directory_not_empty,                // ENOTEMPTY
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    executable_format_error,            // ENOEXEC
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    file_exists,                        // EEXIST
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    file_too_large,                     // EFBIG
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    filename_too_long,                  // ENAMETOOLONG
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    function_not_supported,             // ENOSYS
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    host_unreachable,                   // EHOSTUNREACH
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    identifier_removed,                 // EIDRM
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    illegal_byte_sequence,              // EILSEQ
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    inappropriate_io_control_operation, // ENOTTY
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    interrupted,                        // EINTR
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    invalid_argument,                   // EINVAL
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    invalid_seek,                       // ESPIPE
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    io_error,                           // EIO
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    is_a_directory,                     // EISDIR
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    message_size,                       // EMSGSIZE
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    network_down,                       // ENETDOWN
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    network_reset,                      // ENETRESET
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    network_unreachable,                // ENETUNREACH
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    no_buffer_space,                    // ENOBUFS
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    no_child_process,                   // ECHILD
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    no_link,                            // ENOLINK
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    no_lock_available,                  // ENOLCK
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    no_message_available,               // ENODATA
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    no_message,                         // ENOMSG
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    no_protocol_option,                 // ENOPROTOOPT
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    no_space_on_device,                 // ENOSPC
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    no_stream_resources,                // ENOSR
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    no_such_device_or_address,          // ENXIO
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    no_such_device,                     // ENODEV
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    no_such_file_or_directory,          // ENOENT
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    no_such_process,                    // ESRCH
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    not_a_directory,                    // ENOTDIR
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    not_a_socket,                       // ENOTSOCK
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    not_a_stream,                       // ENOSTR
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    not_connected,                      // ENOTCONN
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    not_enough_memory,                  // ENOMEM
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    not_supported,                      // ENOTSUP
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    operation_canceled,                 // ECANCELED
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    operation_in_progress,              // EINPROGRESS
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    operation_not_permitted,            // EPERM
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    operation_not_supported,            // EOPNOTSUPP
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    operation_would_block,              // EWOULDBLOCK
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    owner_dead,                         // EOWNERDEAD
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    permission_denied,                  // EACCES
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    protocol_error,                     // EPROTO
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    protocol_not_supported,             // EPROTONOSUPPORT
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    read_only_file_system,              // EROFS
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    resource_deadlock_would_occur,      // EDEADLK
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    resource_unavailable_try_again,     // EAGAIN
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    result_out_of_range,                // ERANGE
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    state_not_recoverable,              // ENOTRECOVERABLE
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    stream_timeout,                     // ETIME
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    text_file_busy,                     // ETXTBSY
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    timed_out,                          // ETIMEDOUT
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    too_many_files_open_in_system,      // ENFILE
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    too_many_files_open,                // EMFILE
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    too_many_links,                     // EMLINK
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    too_many_symbolic_link_levels,      // ELOOP
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    value_too_large,                    // EOVERFLOW
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    wrong_protocol_type                 // EPROTOTYPE
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};
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template <> struct is_error_condition_enum<errc> : true_type { }
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error_code make_error_code(errc e);
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error_condition make_error_condition(errc e);
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// Comparison operators:
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bool operator==(const error_code& lhs, const error_code& rhs);
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bool operator==(const error_code& lhs, const error_condition& rhs);
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bool operator==(const error_condition& lhs, const error_code& rhs);
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bool operator==(const error_condition& lhs, const error_condition& rhs);
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bool operator!=(const error_code& lhs, const error_code& rhs);
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bool operator!=(const error_code& lhs, const error_condition& rhs);
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bool operator!=(const error_condition& lhs, const error_code& rhs);
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bool operator!=(const error_condition& lhs, const error_condition& rhs);
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template <> struct hash<std::error_code>;
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}  // std
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*/
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#include "llvm/Config/llvm-config.h"
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#include "llvm/Support/type_traits.h"
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#include <cerrno>
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#include <string>
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// This must be here instead of a .inc file because it is used in the definition
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// of the enum values below.
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#ifdef LLVM_ON_WIN32
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  // The following numbers were taken from VS2010.
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# ifndef EAFNOSUPPORT
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#   define EAFNOSUPPORT 102
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# endif
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# ifndef EADDRINUSE
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#   define EADDRINUSE 100
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# endif
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# ifndef EADDRNOTAVAIL
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#   define EADDRNOTAVAIL 101
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# endif
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# ifndef EISCONN
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#   define EISCONN 113
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# endif
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# ifndef E2BIG
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#   define E2BIG 7
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# endif
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# ifndef EDOM
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#   define EDOM 33
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# endif
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# ifndef EFAULT
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#   define EFAULT 14
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# endif
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# ifndef EBADF
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#   define EBADF 9
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# endif
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# ifndef EBADMSG
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#   define EBADMSG 104
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# endif
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# ifndef EPIPE
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#   define EPIPE 32
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# endif
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# ifndef ECONNABORTED
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#   define ECONNABORTED 106
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# endif
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# ifndef EALREADY
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#   define EALREADY 103
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# endif
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# ifndef ECONNREFUSED
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#   define ECONNREFUSED 107
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# endif
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# ifndef ECONNRESET
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#   define ECONNRESET 108
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# endif
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# ifndef EXDEV
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#   define EXDEV 18
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# endif
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# ifndef EDESTADDRREQ
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#   define EDESTADDRREQ 109
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# endif
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# ifndef EBUSY
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#   define EBUSY 16
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# endif
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# ifndef ENOTEMPTY
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#   define ENOTEMPTY 41
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# endif
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# ifndef ENOEXEC
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#   define ENOEXEC 8
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# endif
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# ifndef EEXIST
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#   define EEXIST 17
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# endif
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# ifndef EFBIG
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#   define EFBIG 27
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# endif
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# ifndef ENAMETOOLONG
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#   define ENAMETOOLONG 38
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# endif
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# ifndef ENOSYS
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#   define ENOSYS 40
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# endif
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# ifndef EHOSTUNREACH
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#   define EHOSTUNREACH 110
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# endif
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# ifndef EIDRM
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#   define EIDRM 111
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# endif
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# ifndef EILSEQ
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#   define EILSEQ 42
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# endif
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# ifndef ENOTTY
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#   define ENOTTY 25
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# endif
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# ifndef EINTR
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#   define EINTR 4
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# endif
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# ifndef EINVAL
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#   define EINVAL 22
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# endif
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# ifndef ESPIPE
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#   define ESPIPE 29
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# endif
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# ifndef EIO
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#   define EIO 5
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# endif
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# ifndef EISDIR
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#   define EISDIR 21
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# endif
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# ifndef EMSGSIZE
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#   define EMSGSIZE 115
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# endif
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# ifndef ENETDOWN
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#   define ENETDOWN 116
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# endif
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# ifndef ENETRESET
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#   define ENETRESET 117
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# endif
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# ifndef ENETUNREACH
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#   define ENETUNREACH 118
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# endif
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# ifndef ENOBUFS
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#   define ENOBUFS 119
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# endif
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# ifndef ECHILD
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#   define ECHILD 10
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# endif
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# ifndef ENOLINK
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#   define ENOLINK 121
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# endif
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# ifndef ENOLCK
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#   define ENOLCK 39
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# endif
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# ifndef ENODATA
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#   define ENODATA 120
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# endif
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# ifndef ENOMSG
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#   define ENOMSG 122
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# endif
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# ifndef ENOPROTOOPT
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#   define ENOPROTOOPT 123
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# endif
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# ifndef ENOSPC
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#   define ENOSPC 28
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# endif
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# ifndef ENOSR
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#   define ENOSR 124
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# endif
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# ifndef ENXIO
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#   define ENXIO 6
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# endif
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# ifndef ENODEV
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#   define ENODEV 19
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						|
# endif
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# ifndef ENOENT
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#   define ENOENT 2
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# endif
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# ifndef ESRCH
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#   define ESRCH 3
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# endif
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# ifndef ENOTDIR
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#   define ENOTDIR 20
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						|
# endif
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# ifndef ENOTSOCK
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#   define ENOTSOCK 128
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						|
# endif
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# ifndef ENOSTR
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#   define ENOSTR 125
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						|
# endif
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						|
# ifndef ENOTCONN
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#   define ENOTCONN 126
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						|
# endif
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# ifndef ENOMEM
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#   define ENOMEM 12
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						|
# endif
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# ifndef ENOTSUP
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						|
#   define ENOTSUP 129
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						|
# endif
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						|
# ifndef ECANCELED
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						|
#   define ECANCELED 105
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						|
# endif
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						|
# ifndef EINPROGRESS
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						|
#   define EINPROGRESS 112
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						|
# endif
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						|
# ifndef EPERM
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						|
#   define EPERM 1
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						|
# endif
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						|
# ifndef EOPNOTSUPP
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						|
#   define EOPNOTSUPP 130
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						|
# endif
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						|
# ifndef EWOULDBLOCK
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						|
#   define EWOULDBLOCK 140
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						|
# endif
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						|
# ifndef EOWNERDEAD
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						|
#   define EOWNERDEAD 133
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						|
# endif
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# ifndef EACCES
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						|
#   define EACCES 13
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						|
# endif
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						|
# ifndef EPROTO
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						|
#   define EPROTO 134
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						|
# endif
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						|
# ifndef EPROTONOSUPPORT
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						|
#   define EPROTONOSUPPORT 135
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						|
# endif
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						|
# ifndef EROFS
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						|
#   define EROFS 30
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						|
# endif
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						|
# ifndef EDEADLK
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						|
#   define EDEADLK 36
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						|
# endif
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						|
# ifndef EAGAIN
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						|
#   define EAGAIN 11
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						|
# endif
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						|
# ifndef ERANGE
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						|
#   define ERANGE 34
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						|
# endif
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						|
# ifndef ENOTRECOVERABLE
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						|
#   define ENOTRECOVERABLE 127
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						|
# endif
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						|
# ifndef ETIME
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						|
#   define ETIME 137
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						|
# endif
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						|
# ifndef ETXTBSY
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						|
#   define ETXTBSY 139
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						|
# endif
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						|
# ifndef ETIMEDOUT
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						|
#   define ETIMEDOUT 138
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						|
# endif
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						|
# ifndef ENFILE
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						|
#   define ENFILE 23
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						|
# endif
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						|
# ifndef EMFILE
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						|
#   define EMFILE 24
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						|
# endif
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						|
# ifndef EMLINK
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						|
#   define EMLINK 31
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						|
# endif
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						|
# ifndef ELOOP
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						|
#   define ELOOP 114
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						|
# endif
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						|
# ifndef EOVERFLOW
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						|
#   define EOVERFLOW 132
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						|
# endif
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						|
# ifndef EPROTOTYPE
 | 
						|
#   define EPROTOTYPE 136
 | 
						|
# endif
 | 
						|
#endif
 | 
						|
 | 
						|
namespace llvm {
 | 
						|
 | 
						|
// is_error_code_enum
 | 
						|
 | 
						|
template <class Tp> struct is_error_code_enum : public false_type {};
 | 
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 | 
						|
// is_error_condition_enum
 | 
						|
 | 
						|
template <class Tp> struct is_error_condition_enum : public false_type {};
 | 
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 | 
						|
// Some error codes are not present on all platforms, so we provide equivalents
 | 
						|
// for them:
 | 
						|
 | 
						|
//enum class errc
 | 
						|
struct errc {
 | 
						|
enum _ {
 | 
						|
  success                             = 0,
 | 
						|
  address_family_not_supported        = EAFNOSUPPORT,
 | 
						|
  address_in_use                      = EADDRINUSE,
 | 
						|
  address_not_available               = EADDRNOTAVAIL,
 | 
						|
  already_connected                   = EISCONN,
 | 
						|
  argument_list_too_long              = E2BIG,
 | 
						|
  argument_out_of_domain              = EDOM,
 | 
						|
  bad_address                         = EFAULT,
 | 
						|
  bad_file_descriptor                 = EBADF,
 | 
						|
#ifdef EBADMSG
 | 
						|
  bad_message                         = EBADMSG,
 | 
						|
#else
 | 
						|
  bad_message                         = EINVAL,
 | 
						|
#endif
 | 
						|
  broken_pipe                         = EPIPE,
 | 
						|
  connection_aborted                  = ECONNABORTED,
 | 
						|
  connection_already_in_progress      = EALREADY,
 | 
						|
  connection_refused                  = ECONNREFUSED,
 | 
						|
  connection_reset                    = ECONNRESET,
 | 
						|
  cross_device_link                   = EXDEV,
 | 
						|
  destination_address_required        = EDESTADDRREQ,
 | 
						|
  device_or_resource_busy             = EBUSY,
 | 
						|
  directory_not_empty                 = ENOTEMPTY,
 | 
						|
  executable_format_error             = ENOEXEC,
 | 
						|
  file_exists                         = EEXIST,
 | 
						|
  file_too_large                      = EFBIG,
 | 
						|
  filename_too_long                   = ENAMETOOLONG,
 | 
						|
  function_not_supported              = ENOSYS,
 | 
						|
  host_unreachable                    = EHOSTUNREACH,
 | 
						|
  identifier_removed                  = EIDRM,
 | 
						|
  illegal_byte_sequence               = EILSEQ,
 | 
						|
  inappropriate_io_control_operation  = ENOTTY,
 | 
						|
  interrupted                         = EINTR,
 | 
						|
  invalid_argument                    = EINVAL,
 | 
						|
  invalid_seek                        = ESPIPE,
 | 
						|
  io_error                            = EIO,
 | 
						|
  is_a_directory                      = EISDIR,
 | 
						|
  message_size                        = EMSGSIZE,
 | 
						|
  network_down                        = ENETDOWN,
 | 
						|
  network_reset                       = ENETRESET,
 | 
						|
  network_unreachable                 = ENETUNREACH,
 | 
						|
  no_buffer_space                     = ENOBUFS,
 | 
						|
  no_child_process                    = ECHILD,
 | 
						|
#ifdef ENOLINK
 | 
						|
  no_link                             = ENOLINK,
 | 
						|
#else
 | 
						|
  no_link                             = EINVAL,
 | 
						|
#endif
 | 
						|
  no_lock_available                   = ENOLCK,
 | 
						|
#ifdef ENODATA
 | 
						|
  no_message_available                = ENODATA,
 | 
						|
#else
 | 
						|
  no_message_available                = ENOMSG,
 | 
						|
#endif
 | 
						|
  no_message                          = ENOMSG,
 | 
						|
  no_protocol_option                  = ENOPROTOOPT,
 | 
						|
  no_space_on_device                  = ENOSPC,
 | 
						|
#ifdef ENOSR
 | 
						|
  no_stream_resources                 = ENOSR,
 | 
						|
#else
 | 
						|
  no_stream_resources                 = ENOMEM,
 | 
						|
#endif
 | 
						|
  no_such_device_or_address           = ENXIO,
 | 
						|
  no_such_device                      = ENODEV,
 | 
						|
  no_such_file_or_directory           = ENOENT,
 | 
						|
  no_such_process                     = ESRCH,
 | 
						|
  not_a_directory                     = ENOTDIR,
 | 
						|
  not_a_socket                        = ENOTSOCK,
 | 
						|
#ifdef ENOSTR
 | 
						|
  not_a_stream                        = ENOSTR,
 | 
						|
#else
 | 
						|
  not_a_stream                        = EINVAL,
 | 
						|
#endif
 | 
						|
  not_connected                       = ENOTCONN,
 | 
						|
  not_enough_memory                   = ENOMEM,
 | 
						|
  not_supported                       = ENOTSUP,
 | 
						|
#ifdef ECANCELED
 | 
						|
  operation_canceled                  = ECANCELED,
 | 
						|
#else
 | 
						|
  operation_canceled                  = EINVAL,
 | 
						|
#endif
 | 
						|
  operation_in_progress               = EINPROGRESS,
 | 
						|
  operation_not_permitted             = EPERM,
 | 
						|
  operation_not_supported             = EOPNOTSUPP,
 | 
						|
  operation_would_block               = EWOULDBLOCK,
 | 
						|
#ifdef EOWNERDEAD
 | 
						|
  owner_dead                          = EOWNERDEAD,
 | 
						|
#else
 | 
						|
  owner_dead                          = EINVAL,
 | 
						|
#endif
 | 
						|
  permission_denied                   = EACCES,
 | 
						|
#ifdef EPROTO
 | 
						|
  protocol_error                      = EPROTO,
 | 
						|
#else
 | 
						|
  protocol_error                      = EINVAL,
 | 
						|
#endif
 | 
						|
  protocol_not_supported              = EPROTONOSUPPORT,
 | 
						|
  read_only_file_system               = EROFS,
 | 
						|
  resource_deadlock_would_occur       = EDEADLK,
 | 
						|
  resource_unavailable_try_again      = EAGAIN,
 | 
						|
  result_out_of_range                 = ERANGE,
 | 
						|
#ifdef ENOTRECOVERABLE
 | 
						|
  state_not_recoverable               = ENOTRECOVERABLE,
 | 
						|
#else
 | 
						|
  state_not_recoverable               = EINVAL,
 | 
						|
#endif
 | 
						|
#ifdef ETIME
 | 
						|
  stream_timeout                      = ETIME,
 | 
						|
#else
 | 
						|
  stream_timeout                      = ETIMEDOUT,
 | 
						|
#endif
 | 
						|
  text_file_busy                      = ETXTBSY,
 | 
						|
  timed_out                           = ETIMEDOUT,
 | 
						|
  too_many_files_open_in_system       = ENFILE,
 | 
						|
  too_many_files_open                 = EMFILE,
 | 
						|
  too_many_links                      = EMLINK,
 | 
						|
  too_many_symbolic_link_levels       = ELOOP,
 | 
						|
  value_too_large                     = EOVERFLOW,
 | 
						|
  wrong_protocol_type                 = EPROTOTYPE
 | 
						|
};
 | 
						|
 | 
						|
  _ v_;
 | 
						|
 | 
						|
  errc(_ v) : v_(v) {}
 | 
						|
  operator int() const {return v_;}
 | 
						|
};
 | 
						|
 | 
						|
template <> struct is_error_condition_enum<errc> : true_type { };
 | 
						|
 | 
						|
template <> struct is_error_condition_enum<errc::_> : true_type { };
 | 
						|
 | 
						|
class error_condition;
 | 
						|
class error_code;
 | 
						|
 | 
						|
// class error_category
 | 
						|
 | 
						|
class _do_message;
 | 
						|
 | 
						|
class error_category
 | 
						|
{
 | 
						|
public:
 | 
						|
  virtual ~error_category();
 | 
						|
 | 
						|
private:
 | 
						|
  error_category();
 | 
						|
  error_category(const error_category&) LLVM_DELETED_FUNCTION;
 | 
						|
  error_category& operator=(const error_category&) LLVM_DELETED_FUNCTION;
 | 
						|
 | 
						|
public:
 | 
						|
  virtual const char* name() const = 0;
 | 
						|
  virtual error_condition default_error_condition(int _ev) const;
 | 
						|
  virtual bool equivalent(int _code, const error_condition& _condition) const;
 | 
						|
  virtual bool equivalent(const error_code& _code, int _condition) const;
 | 
						|
  virtual std::string message(int _ev) const = 0;
 | 
						|
 | 
						|
  bool operator==(const error_category& _rhs) const {return this == &_rhs;}
 | 
						|
 | 
						|
  bool operator!=(const error_category& _rhs) const {return !(*this == _rhs);}
 | 
						|
 | 
						|
  bool operator< (const error_category& _rhs) const {return this < &_rhs;}
 | 
						|
 | 
						|
  friend class _do_message;
 | 
						|
};
 | 
						|
 | 
						|
class _do_message : public error_category
 | 
						|
{
 | 
						|
public:
 | 
						|
  virtual std::string message(int ev) const LLVM_OVERRIDE;
 | 
						|
};
 | 
						|
 | 
						|
const error_category& generic_category();
 | 
						|
const error_category& system_category();
 | 
						|
 | 
						|
/// Get the error_category used for errno values from POSIX functions. This is
 | 
						|
/// the same as the system_category on POSIX systems, but is the same as the
 | 
						|
/// generic_category on Windows.
 | 
						|
const error_category& posix_category();
 | 
						|
 | 
						|
class error_condition
 | 
						|
{
 | 
						|
  int _val_;
 | 
						|
  const error_category* _cat_;
 | 
						|
public:
 | 
						|
  error_condition() : _val_(0), _cat_(&generic_category()) {}
 | 
						|
 | 
						|
  error_condition(int _val, const error_category& _cat)
 | 
						|
    : _val_(_val), _cat_(&_cat) {}
 | 
						|
 | 
						|
  template <class E>
 | 
						|
  error_condition(E _e, typename enable_if_c<
 | 
						|
                          is_error_condition_enum<E>::value
 | 
						|
                        >::type* = 0)
 | 
						|
    {*this = make_error_condition(_e);}
 | 
						|
 | 
						|
  void assign(int _val, const error_category& _cat) {
 | 
						|
    _val_ = _val;
 | 
						|
    _cat_ = &_cat;
 | 
						|
  }
 | 
						|
 | 
						|
  template <class E>
 | 
						|
    typename enable_if_c
 | 
						|
    <
 | 
						|
      is_error_condition_enum<E>::value,
 | 
						|
      error_condition&
 | 
						|
    >::type
 | 
						|
    operator=(E _e)
 | 
						|
      {*this = make_error_condition(_e); return *this;}
 | 
						|
 | 
						|
  void clear() {
 | 
						|
    _val_ = 0;
 | 
						|
    _cat_ = &generic_category();
 | 
						|
  }
 | 
						|
 | 
						|
  int value() const {return _val_;}
 | 
						|
 | 
						|
  const error_category& category() const {return *_cat_;}
 | 
						|
  std::string message() const;
 | 
						|
 | 
						|
  typedef void (*unspecified_bool_type)();
 | 
						|
  static void unspecified_bool_true() {}
 | 
						|
 | 
						|
  operator unspecified_bool_type() const { // true if error
 | 
						|
    return _val_ == 0 ? 0 : unspecified_bool_true;
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
inline error_condition make_error_condition(errc _e) {
 | 
						|
  return error_condition(static_cast<int>(_e), generic_category());
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator<(const error_condition& _x, const error_condition& _y) {
 | 
						|
  return _x.category() < _y.category()
 | 
						|
      || (_x.category() == _y.category() && _x.value() < _y.value());
 | 
						|
}
 | 
						|
 | 
						|
// error_code
 | 
						|
 | 
						|
class error_code {
 | 
						|
  int _val_;
 | 
						|
  const error_category* _cat_;
 | 
						|
public:
 | 
						|
  error_code() : _val_(0), _cat_(&system_category()) {}
 | 
						|
 | 
						|
  static error_code success() {
 | 
						|
    return error_code();
 | 
						|
  }
 | 
						|
 | 
						|
  error_code(int _val, const error_category& _cat)
 | 
						|
    : _val_(_val), _cat_(&_cat) {}
 | 
						|
 | 
						|
  template <class E>
 | 
						|
  error_code(E _e, typename enable_if_c<
 | 
						|
                     is_error_code_enum<E>::value
 | 
						|
                   >::type* = 0) {
 | 
						|
    *this = make_error_code(_e);
 | 
						|
  }
 | 
						|
 | 
						|
  void assign(int _val, const error_category& _cat) {
 | 
						|
      _val_ = _val;
 | 
						|
      _cat_ = &_cat;
 | 
						|
  }
 | 
						|
 | 
						|
  template <class E>
 | 
						|
    typename enable_if_c
 | 
						|
    <
 | 
						|
      is_error_code_enum<E>::value,
 | 
						|
      error_code&
 | 
						|
    >::type
 | 
						|
    operator=(E _e)
 | 
						|
      {*this = make_error_code(_e); return *this;}
 | 
						|
 | 
						|
  void clear() {
 | 
						|
    _val_ = 0;
 | 
						|
    _cat_ = &system_category();
 | 
						|
  }
 | 
						|
 | 
						|
  int value() const {return _val_;}
 | 
						|
 | 
						|
  const error_category& category() const {return *_cat_;}
 | 
						|
 | 
						|
  error_condition default_error_condition() const
 | 
						|
    {return _cat_->default_error_condition(_val_);}
 | 
						|
 | 
						|
  std::string message() const;
 | 
						|
 | 
						|
  typedef void (*unspecified_bool_type)();
 | 
						|
  static void unspecified_bool_true() {}
 | 
						|
 | 
						|
  operator unspecified_bool_type() const { // true if error
 | 
						|
    return _val_ == 0 ? 0 : unspecified_bool_true;
 | 
						|
  }
 | 
						|
};
 | 
						|
 | 
						|
inline error_code make_error_code(errc _e) {
 | 
						|
  return error_code(static_cast<int>(_e), generic_category());
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator<(const error_code& _x, const error_code& _y) {
 | 
						|
  return _x.category() < _y.category()
 | 
						|
      || (_x.category() == _y.category() && _x.value() < _y.value());
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator==(const error_code& _x, const error_code& _y) {
 | 
						|
  return _x.category() == _y.category() && _x.value() == _y.value();
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator==(const error_code& _x, const error_condition& _y) {
 | 
						|
  return _x.category().equivalent(_x.value(), _y)
 | 
						|
      || _y.category().equivalent(_x, _y.value());
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator==(const error_condition& _x, const error_code& _y) {
 | 
						|
  return _y == _x;
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator==(const error_condition& _x, const error_condition& _y) {
 | 
						|
   return _x.category() == _y.category() && _x.value() == _y.value();
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator!=(const error_code& _x, const error_code& _y) {
 | 
						|
  return !(_x == _y);
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator!=(const error_code& _x, const error_condition& _y) {
 | 
						|
  return !(_x == _y);
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator!=(const error_condition& _x, const error_code& _y) {
 | 
						|
  return !(_x == _y);
 | 
						|
}
 | 
						|
 | 
						|
inline bool operator!=(const error_condition& _x, const error_condition& _y) {
 | 
						|
  return !(_x == _y);
 | 
						|
}
 | 
						|
 | 
						|
// Windows errors.
 | 
						|
 | 
						|
//  To construct an error_code after an API error:
 | 
						|
//
 | 
						|
//      error_code( ::GetLastError(), system_category() )
 | 
						|
struct windows_error {
 | 
						|
enum _ {
 | 
						|
  success = 0,
 | 
						|
  // These names and values are based on Windows WinError.h
 | 
						|
  // This is not a complete list. Add to this list if you need to explicitly
 | 
						|
  // check for it.
 | 
						|
  invalid_function        = 1, // ERROR_INVALID_FUNCTION,
 | 
						|
  file_not_found          = 2, // ERROR_FILE_NOT_FOUND,
 | 
						|
  path_not_found          = 3, // ERROR_PATH_NOT_FOUND,
 | 
						|
  too_many_open_files     = 4, // ERROR_TOO_MANY_OPEN_FILES,
 | 
						|
  access_denied           = 5, // ERROR_ACCESS_DENIED,
 | 
						|
  invalid_handle          = 6, // ERROR_INVALID_HANDLE,
 | 
						|
  arena_trashed           = 7, // ERROR_ARENA_TRASHED,
 | 
						|
  not_enough_memory       = 8, // ERROR_NOT_ENOUGH_MEMORY,
 | 
						|
  invalid_block           = 9, // ERROR_INVALID_BLOCK,
 | 
						|
  bad_environment         = 10, // ERROR_BAD_ENVIRONMENT,
 | 
						|
  bad_format              = 11, // ERROR_BAD_FORMAT,
 | 
						|
  invalid_access          = 12, // ERROR_INVALID_ACCESS,
 | 
						|
  outofmemory             = 14, // ERROR_OUTOFMEMORY,
 | 
						|
  invalid_drive           = 15, // ERROR_INVALID_DRIVE,
 | 
						|
  current_directory       = 16, // ERROR_CURRENT_DIRECTORY,
 | 
						|
  not_same_device         = 17, // ERROR_NOT_SAME_DEVICE,
 | 
						|
  no_more_files           = 18, // ERROR_NO_MORE_FILES,
 | 
						|
  write_protect           = 19, // ERROR_WRITE_PROTECT,
 | 
						|
  bad_unit                = 20, // ERROR_BAD_UNIT,
 | 
						|
  not_ready               = 21, // ERROR_NOT_READY,
 | 
						|
  bad_command             = 22, // ERROR_BAD_COMMAND,
 | 
						|
  crc                     = 23, // ERROR_CRC,
 | 
						|
  bad_length              = 24, // ERROR_BAD_LENGTH,
 | 
						|
  seek                    = 25, // ERROR_SEEK,
 | 
						|
  not_dos_disk            = 26, // ERROR_NOT_DOS_DISK,
 | 
						|
  sector_not_found        = 27, // ERROR_SECTOR_NOT_FOUND,
 | 
						|
  out_of_paper            = 28, // ERROR_OUT_OF_PAPER,
 | 
						|
  write_fault             = 29, // ERROR_WRITE_FAULT,
 | 
						|
  read_fault              = 30, // ERROR_READ_FAULT,
 | 
						|
  gen_failure             = 31, // ERROR_GEN_FAILURE,
 | 
						|
  sharing_violation       = 32, // ERROR_SHARING_VIOLATION,
 | 
						|
  lock_violation          = 33, // ERROR_LOCK_VIOLATION,
 | 
						|
  wrong_disk              = 34, // ERROR_WRONG_DISK,
 | 
						|
  sharing_buffer_exceeded = 36, // ERROR_SHARING_BUFFER_EXCEEDED,
 | 
						|
  handle_eof              = 38, // ERROR_HANDLE_EOF,
 | 
						|
  handle_disk_full        = 39, // ERROR_HANDLE_DISK_FULL,
 | 
						|
  rem_not_list            = 51, // ERROR_REM_NOT_LIST,
 | 
						|
  dup_name                = 52, // ERROR_DUP_NAME,
 | 
						|
  bad_net_path            = 53, // ERROR_BAD_NETPATH,
 | 
						|
  network_busy            = 54, // ERROR_NETWORK_BUSY,
 | 
						|
  file_exists             = 80, // ERROR_FILE_EXISTS,
 | 
						|
  cannot_make             = 82, // ERROR_CANNOT_MAKE,
 | 
						|
  broken_pipe             = 109, // ERROR_BROKEN_PIPE,
 | 
						|
  open_failed             = 110, // ERROR_OPEN_FAILED,
 | 
						|
  buffer_overflow         = 111, // ERROR_BUFFER_OVERFLOW,
 | 
						|
  disk_full               = 112, // ERROR_DISK_FULL,
 | 
						|
  insufficient_buffer     = 122, // ERROR_INSUFFICIENT_BUFFER,
 | 
						|
  lock_failed             = 167, // ERROR_LOCK_FAILED,
 | 
						|
  busy                    = 170, // ERROR_BUSY,
 | 
						|
  cancel_violation        = 173, // ERROR_CANCEL_VIOLATION,
 | 
						|
  already_exists          = 183  // ERROR_ALREADY_EXISTS
 | 
						|
};
 | 
						|
  _ v_;
 | 
						|
 | 
						|
  windows_error(_ v) : v_(v) {}
 | 
						|
  explicit windows_error(int v) : v_(_(v)) {}
 | 
						|
  operator int() const {return v_;}
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
template <> struct is_error_code_enum<windows_error> : true_type { };
 | 
						|
 | 
						|
template <> struct is_error_code_enum<windows_error::_> : true_type { };
 | 
						|
 | 
						|
inline error_code make_error_code(windows_error e) {
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						|
  return error_code(static_cast<int>(e), system_category());
 | 
						|
}
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						|
 | 
						|
} // end namespace llvm
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						|
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						|
#endif
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