mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
65f9badbcd
We provide shims for errno constants in WASILibc overlay since wasi-libc's errno.h defines those constants in a way that cannot be imported by ClangImporter. However, some errno constants are aliased in wasi-libc, and we didn't provided shims for them. This patch adds those missing shims.
162 lines
4.7 KiB
Swift
162 lines
4.7 KiB
Swift
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2020 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
@_exported import SwiftWASILibc // Clang module
|
|
|
|
// Constants defined by <math.h>
|
|
@available(swift, deprecated: 3.0, message: "Please use 'Double.pi' or '.pi' to get the value of correct type and avoid casting.")
|
|
public let M_PI = Double.pi
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use 'Double.pi / 2' or '.pi / 2' to get the value of correct type and avoid casting.")
|
|
public let M_PI_2 = Double.pi / 2
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use 'Double.pi / 4' or '.pi / 4' to get the value of correct type and avoid casting.")
|
|
public let M_PI_4 = Double.pi / 4
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '2.squareRoot()'.")
|
|
public let M_SQRT2 = 2.squareRoot()
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '0.5.squareRoot()'.")
|
|
public let M_SQRT1_2 = 0.5.squareRoot()
|
|
|
|
// Constants defined by <float.h>
|
|
@available(swift, deprecated: 3.0, message: "Please use 'T.radix' to get the radix of a FloatingPoint type 'T'.")
|
|
public let FLT_RADIX = Double.radix
|
|
|
|
%for type, prefix in [('Float', 'FLT'), ('Double', 'DBL')]:
|
|
// Where does the 1 come from? C counts the usually-implicit leading
|
|
// significand bit, but Swift does not. Neither is really right or wrong.
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.significandBitCount + 1'.")
|
|
public let ${prefix}_MANT_DIG = ${type}.significandBitCount + 1
|
|
|
|
// Where does the 1 come from? C models floating-point numbers as having a
|
|
// significand in [0.5, 1), but Swift (following IEEE 754) considers the
|
|
// significand to be in [1, 2). This rationale applies to ${prefix}_MIN_EXP
|
|
// as well.
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.greatestFiniteMagnitude.exponent + 1'.")
|
|
public let ${prefix}_MAX_EXP = ${type}.greatestFiniteMagnitude.exponent + 1
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNormalMagnitude.exponent + 1'.")
|
|
public let ${prefix}_MIN_EXP = ${type}.leastNormalMagnitude.exponent + 1
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.greatestFiniteMagnitude' or '.greatestFiniteMagnitude'.")
|
|
public let ${prefix}_MAX = ${type}.greatestFiniteMagnitude
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.ulpOfOne' or '.ulpOfOne'.")
|
|
public let ${prefix}_EPSILON = ${type}.ulpOfOne
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNormalMagnitude' or '.leastNormalMagnitude'.")
|
|
public let ${prefix}_MIN = ${type}.leastNormalMagnitude
|
|
|
|
@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNonzeroMagnitude' or '.leastNonzeroMagnitude'.")
|
|
public let ${prefix}_TRUE_MIN = ${type}.leastNonzeroMagnitude
|
|
|
|
%end
|
|
|
|
public let MAP_FAILED: UnsafeMutableRawPointer! = UnsafeMutableRawPointer(bitPattern: -1)
|
|
|
|
// NOTE: wasi-libc's error.h defines these macros as function-like macros, which ClangImporter can't import for now.
|
|
%{
|
|
posix_error_codes = [
|
|
"E2BIG",
|
|
"EACCES",
|
|
"EADDRINUSE",
|
|
"EADDRNOTAVAIL",
|
|
"EAFNOSUPPORT",
|
|
"EAGAIN",
|
|
"EWOULDBLOCK",
|
|
"EALREADY",
|
|
"EBADF",
|
|
"EBADMSG",
|
|
"EBUSY",
|
|
"ECANCELED",
|
|
"ECHILD",
|
|
"ECONNABORTED",
|
|
"ECONNREFUSED",
|
|
"ECONNRESET",
|
|
"EDEADLK",
|
|
"EDESTADDRREQ",
|
|
"EDOM",
|
|
"EDQUOT",
|
|
"EEXIST",
|
|
"EFAULT",
|
|
"EFBIG",
|
|
"EHOSTUNREACH",
|
|
"EIDRM",
|
|
"EILSEQ",
|
|
"EINPROGRESS",
|
|
"EINTR",
|
|
"EINVAL",
|
|
"EIO",
|
|
"EISCONN",
|
|
"EISDIR",
|
|
"ELOOP",
|
|
"EMFILE",
|
|
"EMLINK",
|
|
"EMSGSIZE",
|
|
"EMULTIHOP",
|
|
"ENAMETOOLONG",
|
|
"ENETDOWN",
|
|
"ENETRESET",
|
|
"ENETUNREACH",
|
|
"ENFILE",
|
|
"ENOBUFS",
|
|
"ENODEV",
|
|
"ENOENT",
|
|
"ENOEXEC",
|
|
"ENOLCK",
|
|
"ENOLINK",
|
|
"ENOMEM",
|
|
"ENOMSG",
|
|
"ENOPROTOOPT",
|
|
"ENOSPC",
|
|
"ENOSYS",
|
|
"ENOTCONN",
|
|
"ENOTDIR",
|
|
"ENOTEMPTY",
|
|
"ENOTRECOVERABLE",
|
|
"ENOTSOCK",
|
|
"ENOTSUP",
|
|
"EOPNOTSUPP",
|
|
"ENOTTY",
|
|
"ENXIO",
|
|
"EOVERFLOW",
|
|
"EOWNERDEAD",
|
|
"EPERM",
|
|
"EPIPE",
|
|
"EPROTO",
|
|
"EPROTONOSUPPORT",
|
|
"EPROTOTYPE",
|
|
"ERANGE",
|
|
"EROFS",
|
|
"ESPIPE",
|
|
"ESRCH",
|
|
"ESTALE",
|
|
"ETIMEDOUT",
|
|
"ETXTBSY",
|
|
"EXDEV",
|
|
"ENOTCAPABLE",
|
|
]
|
|
}%
|
|
|
|
%for ecode in posix_error_codes:
|
|
|
|
public let ${ecode} = POSIXErrorCode.${ecode}.rawValue
|
|
|
|
%end
|
|
|
|
// NOTE: wasi-libc's _seek.h defines these macros as function-like macros, which ClangImporter can't import for now.
|
|
|
|
public let SEEK_SET: Int32 = 0
|
|
public let SEEK_CUR: Int32 = 1
|
|
public let SEEK_END: Int32 = 2
|