mirror of
https://github.com/c64scene-ar/llvm-6502.git
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bbb9ea7b70
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116216 91177308-0d34-0410-b5e6-96231b3b80d8
288 lines
11 KiB
C++
288 lines
11 KiB
C++
//===---------------------- system_error.cpp ------------------------------===//
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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.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Config/config.h"
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#include "system_error.h"
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#include <string>
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#include <cstring>
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namespace llvm {
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// class error_category
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error_category::error_category() {
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}
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error_category::~error_category() {
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}
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error_condition
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error_category::default_error_condition(int ev) const {
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return error_condition(ev, *this);
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}
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bool
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error_category::equivalent(int code, const error_condition& condition) const {
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return default_error_condition(code) == condition;
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}
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bool
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error_category::equivalent(const error_code& code, int condition) const {
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return *this == code.category() && code.value() == condition;
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}
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std::string
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_do_message::message(int ev) const {
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return std::string(std::strerror(ev));
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}
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class _generic_error_category : public _do_message {
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public:
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virtual const char* name() const;
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virtual std::string message(int ev) const;
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};
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const char*
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_generic_error_category::name() const {
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return "generic";
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}
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std::string
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_generic_error_category::message(int ev) const {
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#ifdef ELAST
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if (ev > ELAST)
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return std::string("unspecified generic_category error");
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#endif // ELAST
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return _do_message::message(ev);
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}
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const error_category&
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generic_category() {
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static _generic_error_category s;
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return s;
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}
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class _system_error_category : public _do_message {
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public:
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virtual const char* name() const;
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virtual std::string message(int ev) const;
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virtual error_condition default_error_condition(int ev) const;
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};
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const char*
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_system_error_category::name() const {
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return "system";
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}
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// std::string _system_error_category::message(int ev) const {
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// Is in Platform/system_error.inc
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// error_condition _system_error_category::default_error_condition(int ev) const
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// Is in Platform/system_error.inc
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const error_category&
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system_category() {
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static _system_error_category s;
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return s;
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}
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// error_condition
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std::string
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error_condition::message() const {
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return _cat_->message(_val_);
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}
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// error_code
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std::string
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error_code::message() const {
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return _cat_->message(_val_);
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}
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// system_error
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std::string
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system_error::_init(const error_code& ec, std::string what_arg) {
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if (ec)
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{
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if (!what_arg.empty())
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what_arg += ": ";
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what_arg += ec.message();
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}
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return what_arg;
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}
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system_error::system_error(error_code ec, const std::string& what_arg)
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: runtime_error(_init(ec, what_arg)), _ec_(ec) {
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}
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system_error::system_error(error_code ec, const char* what_arg)
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: runtime_error(_init(ec, what_arg)), _ec_(ec) {
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}
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system_error::system_error(error_code ec)
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: runtime_error(_init(ec, "")), _ec_(ec) {
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}
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system_error::system_error(int ev, const error_category& ecat,
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const std::string& what_arg)
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: runtime_error(_init(error_code(ev, ecat), what_arg))
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, _ec_(error_code(ev, ecat)) {
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}
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system_error::system_error(int ev, const error_category& ecat,
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const char* what_arg)
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: runtime_error(_init(error_code(ev, ecat), what_arg))
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, _ec_(error_code(ev, ecat)) {
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}
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system_error::system_error(int ev, const error_category& ecat)
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: runtime_error(_init(error_code(ev, ecat), "")), _ec_(error_code(ev, ecat)) {
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}
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system_error::~system_error() throw() {
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}
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void
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_throw_system_error(int ev, const char* what_arg) {
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throw system_error(error_code(ev, system_category()), what_arg);
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}
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} // end namespace llvm
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#ifdef LLVM_ON_WIN32
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#include <Windows.h>
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#include <WinError.h>
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namespace llvm {
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std::string
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_system_error_category::message(int ev) const {
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LPVOID lpMsgBuf = 0;
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DWORD retval = ::FormatMessageA(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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ev,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPSTR) &lpMsgBuf,
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0,
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NULL);
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if (retval == 0) {
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::LocalFree(lpMsgBuf);
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return std::string("Unknown error");
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}
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std::string str( static_cast<LPCSTR>(lpMsgBuf) );
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::LocalFree(lpMsgBuf);
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while (str.size()
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&& (str[str.size()-1] == '\n' || str[str.size()-1] == '\r'))
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str.erase( str.size()-1 );
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if (str.size() && str[str.size()-1] == '.')
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str.erase( str.size()-1 );
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return str;
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}
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error_condition
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_system_error_category::default_error_condition(int ev) const {
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switch (ev)
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{
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case 0: return make_error_condition(errc::success);
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// Windows system -> posix_errno decode table ---------------------------//
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// see WinError.h comments for descriptions of errors
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case ERROR_ACCESS_DENIED: return make_error_condition(errc::permission_denied);
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case ERROR_ALREADY_EXISTS: return make_error_condition(errc::file_exists);
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case ERROR_BAD_UNIT: return make_error_condition(errc::no_such_device);
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case ERROR_BUFFER_OVERFLOW: return make_error_condition(errc::filename_too_long);
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case ERROR_BUSY: return make_error_condition(errc::device_or_resource_busy);
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case ERROR_BUSY_DRIVE: return make_error_condition(errc::device_or_resource_busy);
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case ERROR_CANNOT_MAKE: return make_error_condition(errc::permission_denied);
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case ERROR_CANTOPEN: return make_error_condition(errc::io_error);
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case ERROR_CANTREAD: return make_error_condition(errc::io_error);
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case ERROR_CANTWRITE: return make_error_condition(errc::io_error);
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case ERROR_CURRENT_DIRECTORY: return make_error_condition(errc::permission_denied);
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case ERROR_DEV_NOT_EXIST: return make_error_condition(errc::no_such_device);
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case ERROR_DEVICE_IN_USE: return make_error_condition(errc::device_or_resource_busy);
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case ERROR_DIR_NOT_EMPTY: return make_error_condition(errc::directory_not_empty);
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case ERROR_DIRECTORY: return make_error_condition(errc::invalid_argument);
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case ERROR_DISK_FULL: return make_error_condition(errc::no_space_on_device);
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case ERROR_FILE_EXISTS: return make_error_condition(errc::file_exists);
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case ERROR_FILE_NOT_FOUND: return make_error_condition(errc::no_such_file_or_directory);
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case ERROR_HANDLE_DISK_FULL: return make_error_condition(errc::no_space_on_device);
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case ERROR_INVALID_ACCESS: return make_error_condition(errc::permission_denied);
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case ERROR_INVALID_DRIVE: return make_error_condition(errc::no_such_device);
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case ERROR_INVALID_FUNCTION: return make_error_condition(errc::function_not_supported);
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case ERROR_INVALID_HANDLE: return make_error_condition(errc::invalid_argument);
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case ERROR_INVALID_NAME: return make_error_condition(errc::invalid_argument);
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case ERROR_LOCK_VIOLATION: return make_error_condition(errc::no_lock_available);
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case ERROR_LOCKED: return make_error_condition(errc::no_lock_available);
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case ERROR_NEGATIVE_SEEK: return make_error_condition(errc::invalid_argument);
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case ERROR_NOACCESS: return make_error_condition(errc::permission_denied);
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case ERROR_NOT_ENOUGH_MEMORY: return make_error_condition(errc::not_enough_memory);
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case ERROR_NOT_READY: return make_error_condition(errc::resource_unavailable_try_again);
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case ERROR_NOT_SAME_DEVICE: return make_error_condition(errc::cross_device_link);
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case ERROR_OPEN_FAILED: return make_error_condition(errc::io_error);
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case ERROR_OPEN_FILES: return make_error_condition(errc::device_or_resource_busy);
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case ERROR_OPERATION_ABORTED: return make_error_condition(errc::operation_canceled);
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case ERROR_OUTOFMEMORY: return make_error_condition(errc::not_enough_memory);
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case ERROR_PATH_NOT_FOUND: return make_error_condition(errc::no_such_file_or_directory);
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case ERROR_READ_FAULT: return make_error_condition(errc::io_error);
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case ERROR_RETRY: return make_error_condition(errc::resource_unavailable_try_again);
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case ERROR_SEEK: return make_error_condition(errc::io_error);
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case ERROR_SHARING_VIOLATION: return make_error_condition(errc::permission_denied);
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case ERROR_TOO_MANY_OPEN_FILES: return make_error_condition(errc::too_many_files_open);
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case ERROR_WRITE_FAULT: return make_error_condition(errc::io_error);
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case ERROR_WRITE_PROTECT: return make_error_condition(errc::permission_denied);
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case ERROR_SEM_TIMEOUT: return make_error_condition(errc::timed_out);
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case WSAEACCES: return make_error_condition(errc::permission_denied);
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case WSAEADDRINUSE: return make_error_condition(errc::address_in_use);
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case WSAEADDRNOTAVAIL: return make_error_condition(errc::address_not_available);
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case WSAEAFNOSUPPORT: return make_error_condition(errc::address_family_not_supported);
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case WSAEALREADY: return make_error_condition(errc::connection_already_in_progress);
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case WSAEBADF: return make_error_condition(errc::bad_file_descriptor);
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case WSAECONNABORTED: return make_error_condition(errc::connection_aborted);
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case WSAECONNREFUSED: return make_error_condition(errc::connection_refused);
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case WSAECONNRESET: return make_error_condition(errc::connection_reset);
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case WSAEDESTADDRREQ: return make_error_condition(errc::destination_address_required);
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case WSAEFAULT: return make_error_condition(errc::bad_address);
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case WSAEHOSTUNREACH: return make_error_condition(errc::host_unreachable);
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case WSAEINPROGRESS: return make_error_condition(errc::operation_in_progress);
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case WSAEINTR: return make_error_condition(errc::interrupted);
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case WSAEINVAL: return make_error_condition(errc::invalid_argument);
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case WSAEISCONN: return make_error_condition(errc::already_connected);
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case WSAEMFILE: return make_error_condition(errc::too_many_files_open);
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case WSAEMSGSIZE: return make_error_condition(errc::message_size);
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case WSAENAMETOOLONG: return make_error_condition(errc::filename_too_long);
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case WSAENETDOWN: return make_error_condition(errc::network_down);
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case WSAENETRESET: return make_error_condition(errc::network_reset);
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case WSAENETUNREACH: return make_error_condition(errc::network_unreachable);
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case WSAENOBUFS: return make_error_condition(errc::no_buffer_space);
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case WSAENOPROTOOPT: return make_error_condition(errc::no_protocol_option);
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case WSAENOTCONN: return make_error_condition(errc::not_connected);
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case WSAENOTSOCK: return make_error_condition(errc::not_a_socket);
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case WSAEOPNOTSUPP: return make_error_condition(errc::operation_not_supported);
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case WSAEPROTONOSUPPORT: return make_error_condition(errc::protocol_not_supported);
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case WSAEPROTOTYPE: return make_error_condition(errc::wrong_protocol_type);
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case WSAETIMEDOUT: return make_error_condition(errc::timed_out);
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case WSAEWOULDBLOCK: return make_error_condition(errc::operation_would_block);
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default: return error_condition(ev, system_category());
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}
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}
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} // end namespace llvm
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#endif // LLVM_ON_WIN32
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