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[Unicode] Publish Unicode ABI

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De-genericize one axis of storage buffers to speed up compilation time
of stdlib and user code. Publish the rest as ABI, since we're out of
time to reevaluate the design.
This commit is contained in:
Michael Ilseman
2018-11-15 11:03:08 -08:00
parent c749123297
commit cd35876fa5
10 changed files with 160 additions and 165 deletions
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60
stdlib/public/core/Unicode.swift
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@@ -31,7 +31,7 @@ public enum UnicodeDecodingResult : Equatable {
/// An indication of a decoding error.
case error
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func == (
lhs: UnicodeDecodingResult,
rhs: UnicodeDecodingResult
@@ -141,7 +141,7 @@ public protocol UnicodeCodec : Unicode.Encoding {
/// units.
extension Unicode.UTF8 : UnicodeCodec {
/// Creates an instance of the UTF-8 codec.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public init() { self = ._swift3Buffer(ForwardParser()) }
/// Starts or continues decoding a UTF-8 sequence.
@@ -185,7 +185,7 @@ extension Unicode.UTF8 : UnicodeCodec {
/// - Returns: A `UnicodeDecodingResult` instance, representing the next
/// Unicode scalar, an indication of an error, or an indication that the
/// UTF sequence has been fully decoded.
@inlinable // FIXME(sil-serialize-all)
@inlinable
@inline(__always)
public mutating func decode<I : IteratorProtocol>(
_ input: inout I
@@ -218,7 +218,7 @@ extension Unicode.UTF8 : UnicodeCodec {
/// - Requires: There is at least one used byte in `buffer`, and the unused
/// space in `buffer` is filled with some value not matching the UTF-8
/// continuation byte form (`0b10xxxxxx`).
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _decodeOne(_ buffer: UInt32) -> (result: UInt32?, length: UInt8) {
// Note the buffer is read least significant byte first: [ #3 #2 #1 #0 ].
@@ -258,7 +258,7 @@ extension Unicode.UTF8 : UnicodeCodec {
/// - input: The Unicode scalar value to encode.
/// - processCodeUnit: A closure that processes one code unit argument at a
/// time.
@inlinable // FIXME(sil-serialize-all)
@inlinable
@inline(__always)
public static func encode(
_ input: Unicode.Scalar,
@@ -294,19 +294,19 @@ extension Unicode.UTF8 : UnicodeCodec {
///
/// - Parameter byte: A UTF-8 code unit.
/// - Returns: `true` if `byte` is a continuation byte; otherwise, `false`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func isContinuation(_ byte: CodeUnit) -> Bool {
return byte & 0b11_00__0000 == 0b10_00__0000
}
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func _nullCodeUnitOffset(
in input: UnsafePointer<CodeUnit>
) -> Int {
return Int(_swift_stdlib_strlen_unsigned(input))
}
// Support parsing C strings as-if they are UTF8 strings.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func _nullCodeUnitOffset(
in input: UnsafePointer<CChar>
) -> Int {
@@ -318,7 +318,7 @@ extension Unicode.UTF8 : UnicodeCodec {
/// units.
extension Unicode.UTF16 : UnicodeCodec {
/// Creates an instance of the UTF-16 codec.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public init() { self = ._swift3Buffer(ForwardParser()) }
/// Starts or continues decoding a UTF-16 sequence.
@@ -362,7 +362,7 @@ extension Unicode.UTF16 : UnicodeCodec {
/// - Returns: A `UnicodeDecodingResult` instance, representing the next
/// Unicode scalar, an indication of an error, or an indication that the
/// UTF sequence has been fully decoded.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public mutating func decode<I : IteratorProtocol>(
_ input: inout I
) -> UnicodeDecodingResult where I.Element == CodeUnit {
@@ -380,7 +380,7 @@ extension Unicode.UTF16 : UnicodeCodec {
/// Try to decode one Unicode scalar, and return the actual number of code
/// units it spanned in the input. This function may consume more code
/// units than required for this scalar.
@inlinable // FIXME(sil-serialize-all)
@inlinable
internal mutating func _decodeOne<I : IteratorProtocol>(
_ input: inout I
) -> (UnicodeDecodingResult, Int) where I.Element == CodeUnit {
@@ -413,7 +413,7 @@ extension Unicode.UTF16 : UnicodeCodec {
/// - input: The Unicode scalar value to encode.
/// - processCodeUnit: A closure that processes one code unit argument at a
/// time.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func encode(
_ input: Unicode.Scalar,
into processCodeUnit: (CodeUnit) -> Void
@@ -430,7 +430,7 @@ extension Unicode.UTF16 : UnicodeCodec {
/// units.
extension Unicode.UTF32 : UnicodeCodec {
/// Creates an instance of the UTF-32 codec.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public init() { self = ._swift3Codec }
/// Starts or continues decoding a UTF-32 sequence.
@@ -474,7 +474,7 @@ extension Unicode.UTF32 : UnicodeCodec {
/// - Returns: A `UnicodeDecodingResult` instance, representing the next
/// Unicode scalar, an indication of an error, or an indication that the
/// UTF sequence has been fully decoded.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public mutating func decode<I : IteratorProtocol>(
_ input: inout I
) -> UnicodeDecodingResult where I.Element == CodeUnit {
@@ -503,7 +503,7 @@ extension Unicode.UTF32 : UnicodeCodec {
/// - input: The Unicode scalar value to encode.
/// - processCodeUnit: A closure that processes one code unit argument at a
/// time.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func encode(
_ input: Unicode.Scalar,
into processCodeUnit: (CodeUnit) -> Void
@@ -547,7 +547,7 @@ extension Unicode.UTF32 : UnicodeCodec {
/// unit at a time.
/// - Returns: `true` if the translation detected encoding errors in `input`;
/// otherwise, `false`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
@inline(__always)
public func transcode<
Input : IteratorProtocol,
@@ -597,12 +597,12 @@ protocol _StringElement {
}
extension UTF16.CodeUnit : _StringElement {
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _toUTF16CodeUnit(_ x: UTF16.CodeUnit) -> UTF16.CodeUnit {
return x
}
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _fromUTF16CodeUnit(
_ utf16: UTF16.CodeUnit
@@ -612,13 +612,13 @@ extension UTF16.CodeUnit : _StringElement {
}
extension UTF8.CodeUnit : _StringElement {
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _toUTF16CodeUnit(_ x: UTF8.CodeUnit) -> UTF16.CodeUnit {
_sanityCheck(x <= 0x7f, "should only be doing this with ASCII")
return UTF16.CodeUnit(truncatingIfNeeded: x)
}
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _fromUTF16CodeUnit(
_ utf16: UTF16.CodeUnit
@@ -652,7 +652,7 @@ extension UTF16 {
///
/// - Parameter x: A Unicode scalar value.
/// - Returns: The width of `x` when encoded in UTF-16, either `1` or `2`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func width(_ x: Unicode.Scalar) -> Int {
return x.value <= 0xFFFF ? 1 : 2
}
@@ -674,7 +674,7 @@ extension UTF16 {
/// surrogate pair when encoded in UTF-16. To check whether `x` is
/// represented by a surrogate pair, use `UTF16.width(x) == 2`.
/// - Returns: The leading surrogate code unit of `x` when encoded in UTF-16.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func leadSurrogate(_ x: Unicode.Scalar) -> UTF16.CodeUnit {
_precondition(width(x) == 2)
return 0xD800 + UTF16.CodeUnit(truncatingIfNeeded:
@@ -698,7 +698,7 @@ extension UTF16 {
/// surrogate pair when encoded in UTF-16. To check whether `x` is
/// represented by a surrogate pair, use `UTF16.width(x) == 2`.
/// - Returns: The trailing surrogate code unit of `x` when encoded in UTF-16.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func trailSurrogate(_ x: Unicode.Scalar) -> UTF16.CodeUnit {
_precondition(width(x) == 2)
return 0xDC00 + UTF16.CodeUnit(truncatingIfNeeded:
@@ -726,7 +726,7 @@ extension UTF16 {
/// - Parameter x: A UTF-16 code unit.
/// - Returns: `true` if `x` is a high-surrogate code unit; otherwise,
/// `false`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func isLeadSurrogate(_ x: CodeUnit) -> Bool {
return (x & 0xFC00) == 0xD800
}
@@ -753,12 +753,12 @@ extension UTF16 {
/// - Parameter x: A UTF-16 code unit.
/// - Returns: `true` if `x` is a low-surrogate code unit; otherwise,
/// `false`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func isTrailSurrogate(_ x: CodeUnit) -> Bool {
return (x & 0xFC00) == 0xDC00
}
@inlinable // FIXME(sil-serialize-all)
@inlinable
public // @testable
static func _copy<T : _StringElement, U : _StringElement>(
source: UnsafeMutablePointer<T>,
@@ -813,7 +813,7 @@ extension UTF16 {
/// contained only ASCII characters. If `repairingIllFormedSequences` is
/// `false` and an ill-formed sequence is detected, this method returns
/// `nil`.
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func transcodedLength<
Input : IteratorProtocol,
Encoding : Unicode.Encoding
@@ -869,7 +869,7 @@ extension UTF16 {
extension Unicode.Scalar {
/// Create an instance with numeric value `value`, bypassing the regular
/// precondition checks for code point validity.
@inlinable // FIXME(sil-serialize-all)
@inlinable
internal init(_unchecked value: UInt32) {
_sanityCheck(value < 0xD800 || value > 0xDFFF,
"high- and low-surrogate code points are not valid Unicode scalar values")
@@ -880,7 +880,7 @@ extension Unicode.Scalar {
}
extension UnicodeCodec {
@inlinable // FIXME(sil-serialize-all)
@inlinable
public static func _nullCodeUnitOffset(
in input: UnsafePointer<CodeUnit>
) -> Int {
@@ -907,6 +907,6 @@ public func transcode<Input, InputEncoding, OutputEncoding>(
}
/// A namespace for Unicode utilities.
@_frozen // FIXME(sil-serialize-all)
@_frozen
public enum Unicode {}