Charles Davis | 53ca1f3 | 2010-11-29 19:44:50 +0000 | [diff] [blame] | 1 | //===- llvm/Support/Win32/system_error.inc - Windows error_code --*- C++ -*-===// |
Michael J. Spencer | fae76d0 | 2010-11-16 18:31:52 +0000 | [diff] [blame] | 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 file provides the Windows specific implementation of the error_code |
| 11 | // and error_condition classes. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | //=== WARNING: Implementation here must contain only generic Windows code that |
| 17 | //=== is guaranteed to work on *all* Windows variants. |
| 18 | //===----------------------------------------------------------------------===// |
| 19 | |
| 20 | #include <Windows.h> |
| 21 | #include <WinError.h> |
| 22 | |
| 23 | using namespace llvm; |
| 24 | |
| 25 | std::string |
| 26 | _system_error_category::message(int ev) const { |
| 27 | LPVOID lpMsgBuf = 0; |
| 28 | DWORD retval = ::FormatMessageA( |
| 29 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
| 30 | FORMAT_MESSAGE_FROM_SYSTEM | |
| 31 | FORMAT_MESSAGE_IGNORE_INSERTS, |
| 32 | NULL, |
| 33 | ev, |
| 34 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language |
| 35 | (LPSTR) &lpMsgBuf, |
| 36 | 0, |
| 37 | NULL); |
| 38 | if (retval == 0) { |
| 39 | ::LocalFree(lpMsgBuf); |
| 40 | return std::string("Unknown error"); |
| 41 | } |
| 42 | |
| 43 | std::string str( static_cast<LPCSTR>(lpMsgBuf) ); |
| 44 | ::LocalFree(lpMsgBuf); |
| 45 | |
| 46 | while (str.size() |
| 47 | && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r')) |
| 48 | str.erase( str.size()-1 ); |
| 49 | if (str.size() && str[str.size()-1] == '.') |
| 50 | str.erase( str.size()-1 ); |
| 51 | return str; |
| 52 | } |
| 53 | |
| 54 | // I'd rather not double the line count of the following. |
| 55 | #define MAP_ERR_TO_COND(x, y) case x: return make_error_condition(errc::y) |
| 56 | |
| 57 | error_condition |
| 58 | _system_error_category::default_error_condition(int ev) const { |
| 59 | switch (ev) { |
| 60 | MAP_ERR_TO_COND(0, success); |
| 61 | // Windows system -> posix_errno decode table ---------------------------// |
| 62 | // see WinError.h comments for descriptions of errors |
| 63 | MAP_ERR_TO_COND(ERROR_ACCESS_DENIED, permission_denied); |
| 64 | MAP_ERR_TO_COND(ERROR_ALREADY_EXISTS, file_exists); |
| 65 | MAP_ERR_TO_COND(ERROR_BAD_UNIT, no_such_device); |
| 66 | MAP_ERR_TO_COND(ERROR_BUFFER_OVERFLOW, filename_too_long); |
| 67 | MAP_ERR_TO_COND(ERROR_BUSY, device_or_resource_busy); |
| 68 | MAP_ERR_TO_COND(ERROR_BUSY_DRIVE, device_or_resource_busy); |
| 69 | MAP_ERR_TO_COND(ERROR_CANNOT_MAKE, permission_denied); |
| 70 | MAP_ERR_TO_COND(ERROR_CANTOPEN, io_error); |
| 71 | MAP_ERR_TO_COND(ERROR_CANTREAD, io_error); |
| 72 | MAP_ERR_TO_COND(ERROR_CANTWRITE, io_error); |
| 73 | MAP_ERR_TO_COND(ERROR_CURRENT_DIRECTORY, permission_denied); |
| 74 | MAP_ERR_TO_COND(ERROR_DEV_NOT_EXIST, no_such_device); |
| 75 | MAP_ERR_TO_COND(ERROR_DEVICE_IN_USE, device_or_resource_busy); |
| 76 | MAP_ERR_TO_COND(ERROR_DIR_NOT_EMPTY, directory_not_empty); |
| 77 | MAP_ERR_TO_COND(ERROR_DIRECTORY, invalid_argument); |
| 78 | MAP_ERR_TO_COND(ERROR_DISK_FULL, no_space_on_device); |
| 79 | MAP_ERR_TO_COND(ERROR_FILE_EXISTS, file_exists); |
| 80 | MAP_ERR_TO_COND(ERROR_FILE_NOT_FOUND, no_such_file_or_directory); |
| 81 | MAP_ERR_TO_COND(ERROR_HANDLE_DISK_FULL, no_space_on_device); |
Michael J. Spencer | d6cdf1d | 2011-01-15 18:52:33 +0000 | [diff] [blame^] | 82 | MAP_ERR_TO_COND(ERROR_HANDLE_EOF, value_too_large); |
Michael J. Spencer | fae76d0 | 2010-11-16 18:31:52 +0000 | [diff] [blame] | 83 | MAP_ERR_TO_COND(ERROR_INVALID_ACCESS, permission_denied); |
| 84 | MAP_ERR_TO_COND(ERROR_INVALID_DRIVE, no_such_device); |
| 85 | MAP_ERR_TO_COND(ERROR_INVALID_FUNCTION, function_not_supported); |
| 86 | MAP_ERR_TO_COND(ERROR_INVALID_HANDLE, invalid_argument); |
| 87 | MAP_ERR_TO_COND(ERROR_INVALID_NAME, invalid_argument); |
| 88 | MAP_ERR_TO_COND(ERROR_LOCK_VIOLATION, no_lock_available); |
| 89 | MAP_ERR_TO_COND(ERROR_LOCKED, no_lock_available); |
| 90 | MAP_ERR_TO_COND(ERROR_NEGATIVE_SEEK, invalid_argument); |
| 91 | MAP_ERR_TO_COND(ERROR_NOACCESS, permission_denied); |
| 92 | MAP_ERR_TO_COND(ERROR_NOT_ENOUGH_MEMORY, not_enough_memory); |
| 93 | MAP_ERR_TO_COND(ERROR_NOT_READY, resource_unavailable_try_again); |
| 94 | MAP_ERR_TO_COND(ERROR_NOT_SAME_DEVICE, cross_device_link); |
| 95 | MAP_ERR_TO_COND(ERROR_OPEN_FAILED, io_error); |
| 96 | MAP_ERR_TO_COND(ERROR_OPEN_FILES, device_or_resource_busy); |
| 97 | MAP_ERR_TO_COND(ERROR_OPERATION_ABORTED, operation_canceled); |
| 98 | MAP_ERR_TO_COND(ERROR_OUTOFMEMORY, not_enough_memory); |
| 99 | MAP_ERR_TO_COND(ERROR_PATH_NOT_FOUND, no_such_file_or_directory); |
Michael J. Spencer | 3cb84ef | 2010-12-03 01:21:28 +0000 | [diff] [blame] | 100 | MAP_ERR_TO_COND(ERROR_BAD_NETPATH, no_such_file_or_directory); |
Michael J. Spencer | fae76d0 | 2010-11-16 18:31:52 +0000 | [diff] [blame] | 101 | MAP_ERR_TO_COND(ERROR_READ_FAULT, io_error); |
| 102 | MAP_ERR_TO_COND(ERROR_RETRY, resource_unavailable_try_again); |
| 103 | MAP_ERR_TO_COND(ERROR_SEEK, io_error); |
| 104 | MAP_ERR_TO_COND(ERROR_SHARING_VIOLATION, permission_denied); |
| 105 | MAP_ERR_TO_COND(ERROR_TOO_MANY_OPEN_FILES, too_many_files_open); |
| 106 | MAP_ERR_TO_COND(ERROR_WRITE_FAULT, io_error); |
| 107 | MAP_ERR_TO_COND(ERROR_WRITE_PROTECT, permission_denied); |
| 108 | MAP_ERR_TO_COND(ERROR_SEM_TIMEOUT, timed_out); |
| 109 | MAP_ERR_TO_COND(WSAEACCES, permission_denied); |
| 110 | MAP_ERR_TO_COND(WSAEADDRINUSE, address_in_use); |
| 111 | MAP_ERR_TO_COND(WSAEADDRNOTAVAIL, address_not_available); |
| 112 | MAP_ERR_TO_COND(WSAEAFNOSUPPORT, address_family_not_supported); |
| 113 | MAP_ERR_TO_COND(WSAEALREADY, connection_already_in_progress); |
| 114 | MAP_ERR_TO_COND(WSAEBADF, bad_file_descriptor); |
| 115 | MAP_ERR_TO_COND(WSAECONNABORTED, connection_aborted); |
| 116 | MAP_ERR_TO_COND(WSAECONNREFUSED, connection_refused); |
| 117 | MAP_ERR_TO_COND(WSAECONNRESET, connection_reset); |
| 118 | MAP_ERR_TO_COND(WSAEDESTADDRREQ, destination_address_required); |
| 119 | MAP_ERR_TO_COND(WSAEFAULT, bad_address); |
| 120 | MAP_ERR_TO_COND(WSAEHOSTUNREACH, host_unreachable); |
| 121 | MAP_ERR_TO_COND(WSAEINPROGRESS, operation_in_progress); |
| 122 | MAP_ERR_TO_COND(WSAEINTR, interrupted); |
| 123 | MAP_ERR_TO_COND(WSAEINVAL, invalid_argument); |
| 124 | MAP_ERR_TO_COND(WSAEISCONN, already_connected); |
| 125 | MAP_ERR_TO_COND(WSAEMFILE, too_many_files_open); |
| 126 | MAP_ERR_TO_COND(WSAEMSGSIZE, message_size); |
| 127 | MAP_ERR_TO_COND(WSAENAMETOOLONG, filename_too_long); |
| 128 | MAP_ERR_TO_COND(WSAENETDOWN, network_down); |
| 129 | MAP_ERR_TO_COND(WSAENETRESET, network_reset); |
| 130 | MAP_ERR_TO_COND(WSAENETUNREACH, network_unreachable); |
| 131 | MAP_ERR_TO_COND(WSAENOBUFS, no_buffer_space); |
| 132 | MAP_ERR_TO_COND(WSAENOPROTOOPT, no_protocol_option); |
| 133 | MAP_ERR_TO_COND(WSAENOTCONN, not_connected); |
| 134 | MAP_ERR_TO_COND(WSAENOTSOCK, not_a_socket); |
| 135 | MAP_ERR_TO_COND(WSAEOPNOTSUPP, operation_not_supported); |
| 136 | MAP_ERR_TO_COND(WSAEPROTONOSUPPORT, protocol_not_supported); |
| 137 | MAP_ERR_TO_COND(WSAEPROTOTYPE, wrong_protocol_type); |
| 138 | MAP_ERR_TO_COND(WSAETIMEDOUT, timed_out); |
| 139 | MAP_ERR_TO_COND(WSAEWOULDBLOCK, operation_would_block); |
| 140 | default: return error_condition(ev, system_category()); |
| 141 | } |
| 142 | } |