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Swift.tmLanguage.yaml
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Swift.tmLanguage.yaml
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# See swift.tmbundle/grammar-test.swift for test cases.
fileTypes:
- swift
firstLineMatch: ^#!/.*\bswift
keyEquivalent: ^~S
scopeName: source.swift
uuid: 8C743E89-9C8D-4833-8149-6500D82AA463
name: Swift
patterns:
- include: "#root"
repository:
async-throws:
match: \b(?:(throws\s+async|rethrows\s+async)|(throws|rethrows)|(async))\b
captures:
1: { name: invalid.illegal.await-must-precede-throws.swift }
2: { name: storage.modifier.exception.swift }
3: { name: storage.modifier.async.swift }
attributes:
patterns:
- name: meta.attribute.available.swift
begin: ((@)available)(\()
end: \)
beginCaptures:
1: { name: storage.modifier.attribute.swift }
2: { name: punctuation.definition.attribute.swift }
3: { name: punctuation.definition.arguments.begin.swift }
endCaptures:
0: { name: punctuation.definition.arguments.end.swift }
patterns:
- match: \b(swift|(?:iOS|macOS|OSX|watchOS|tvOS|visionOS|UIKitForMac)(?:ApplicationExtension)?)\b(?:\s+([0-9]+(?:\.[0-9]+)*\b))?
captures:
1: { name: keyword.other.platform.os.swift }
2: { name: constant.numeric.swift }
- begin: \b(introduced|deprecated|obsoleted)\s*(:)\s*
end: (?!\G)
beginCaptures:
1: { name: keyword.other.swift }
2: { name: punctuation.separator.key-value.swift }
patterns:
- name: constant.numeric.swift
match: \b[0-9]+(?:\.[0-9]+)*\b
- begin: \b(message|renamed)\s*(:)\s*(?=")
end: (?!\G)
beginCaptures:
1: { name: keyword.other.swift }
2: { name: punctuation.separator.key-value.swift }
patterns:
- include: "#literals"
- match: (?:(\*)|\b(deprecated|unavailable|noasync)\b)\s*(.*?)(?=[,)])
captures:
1: { name: keyword.other.platform.all.swift }
2: { name: keyword.other.swift }
3: { name: invalid.illegal.character-not-allowed-here.swift }
- name: meta.attribute.objc.swift
begin: ((@)objc)(\()
end: \)
beginCaptures:
1: { name: storage.modifier.attribute.swift }
2: { name: punctuation.definition.attribute.swift }
3: { name: punctuation.definition.arguments.begin.swift }
endCaptures:
0: { name: punctuation.definition.arguments.end.swift }
patterns:
- name: entity.name.function.swift
match: \w*(?::(?:\w*:)*(\w*))?
captures:
1: { name: invalid.illegal.missing-colon-after-selector-piece.swift }
# any other attribute
- name: meta.attribute.swift
begin: (@)(?<q>`?)[\p{L}_][\p{L}_\p{N}\p{M}]*(\k<q>)
end: (?!\G\()
beginCaptures:
0: { name: storage.modifier.attribute.swift }
1: { name: punctuation.definition.attribute.swift }
2: { name: punctuation.definition.identifier.swift }
3: { name: punctuation.definition.identifier.swift }
patterns:
- name: meta.arguments.attribute.swift
begin: \(
end: \)
beginCaptures:
0: { name: punctuation.definition.arguments.begin.swift }
endCaptures:
0: { name: punctuation.definition.arguments.end.swift }
patterns:
- include: "#expressions"
builtin-functions:
patterns:
# Member functions in the standard library in Swift 3 which may be used with trailing closures and no parentheses
- name: support.function.swift
match: (?<=\.)(?:s(?:ort(?:ed)?|plit)|contains|index|partition|f(?:i(?:lter|rst)|orEach|latMap)|with(?:MutableCharacters|CString|U(?:nsafe(?:Mutable(?:BufferPointer|Pointer(?:s|To(?:Header|Elements)))|BufferPointer)|TF8Buffer))|m(?:in|a(?:p|x)))(?=\s*[({])\b
# Member functions in the standard library in Swift 3
- name: support.function.swift
match: (?<=\.)(?:s(?:ymmetricDifference|t(?:oreBytes|arts|ride)|ortInPlace|u(?:ccessor|ffix|btract(?:ing|InPlace|WithOverflow)?)|quareRoot|amePosition)|h(?:oldsUnique(?:Reference|OrPinnedReference)|as(?:Suffix|Prefix))|ne(?:gate(?:d)?|xt)|c(?:o(?:untByEnumerating|py(?:Bytes)?)|lamp(?:ed)?|reate)|t(?:o(?:IntMax|Opaque|UIntMax)|ake(?:RetainedValue|UnretainedValue)|r(?:uncatingRemainder|a(?:nscodedLength|ilSurrogate)))|i(?:s(?:MutableAndUniquelyReferenced(?:OrPinned)?|S(?:trictSu(?:perset(?:Of)?|bset(?:Of)?)|u(?:perset(?:Of)?|bset(?:Of)?))|Continuation|T(?:otallyOrdered|railSurrogate)|Disjoint(?:With)?|Unique(?:Reference|lyReferenced(?:OrPinned)?)|Equal|Le(?:ss(?:ThanOrEqualTo)?|adSurrogate))|n(?:sert(?:ContentsOf)?|tersect(?:ion|InPlace)?|itialize(?:Memory|From)?|dex(?:Of|ForKey)))|o(?:verlaps|bjectAt)|d(?:i(?:stance(?:To)?|vide(?:d|WithOverflow)?)|e(?:s(?:cendant|troy)|code(?:CString)?|initialize|alloc(?:ate(?:Capacity)?)?)|rop(?:First|Last))|u(?:n(?:ion(?:InPlace)?|derestimateCount|wrappedOrError)|p(?:date(?:Value)?|percased))|join(?:ed|WithSeparator)|p(?:op(?:First|Last)|ass(?:Retained|Unretained)|re(?:decessor|fix))|e(?:scape(?:d)?|n(?:code|umerate(?:d)?)|lementsEqual|xclusiveOr(?:InPlace)?)|f(?:orm(?:Remainder|S(?:ymmetricDifference|quareRoot)|TruncatingRemainder|In(?:tersection|dex)|Union)|latten|rom(?:CString(?:RepairingIllFormedUTF8)?|Opaque))|w(?:i(?:thMemoryRebound|dth)|rite(?:To)?)|l(?:o(?:wercased|ad)|e(?:adSurrogate|xicographical(?:Compare|lyPrecedes)))|a(?:ss(?:ign(?:BackwardFrom|From)?|umingMemoryBound)|d(?:d(?:ing(?:Product)?|Product|WithOverflow)?|vanced(?:By)?)|utorelease|ppend(?:ContentsOf)?|lloc(?:ate)?|bs)|r(?:ound(?:ed)?|e(?:serveCapacity|tain|duce|place(?:Range|Subrange)?|verse(?:d)?|quest(?:NativeBuffer|UniqueMutableBackingBuffer)|lease|m(?:ove(?:Range|Subrange|Value(?:ForKey)?|First|Last|A(?:tIndex|ll))?|ainder(?:WithOverflow)?)))|ge(?:nerate|t(?:Objects|Element))|m(?:in(?:imum(?:Magnitude)?|Element)|ove(?:Initialize(?:Memory|BackwardFrom|From)?|Assign(?:From)?)?|ultipl(?:y(?:WithOverflow)?|ied)|easure|a(?:ke(?:Iterator|Description)|x(?:imum(?:Magnitude)?|Element)))|bindMemory)(?=\s*\()
# Member functions in the standard library in Swift 2 only
- name: support.function.swift
match: (?<=\.)(?:s(?:uperclassMirror|amePositionIn|tartsWith)|nextObject|c(?:haracterAtIndex|o(?:untByEnumeratingWithState|pyWithZone)|ustom(?:Mirror|PlaygroundQuickLook))|is(?:EmptyInput|ASCII)|object(?:Enumerator|ForKey|AtIndex)|join|put|keyEnumerator|withUnsafeMutablePointerToValue|length|getMirror|m(?:oveInitializeAssignFrom|ember))(?=\s*\()
builtin-global-functions:
patterns:
- begin: \b(type)(\()\s*(of)(:)
end: \)
beginCaptures:
1: { name: support.function.dynamic-type.swift }
2: { name: punctuation.definition.arguments.begin.swift }
3: { name: support.variable.parameter.swift }
4: { name: punctuation.separator.argument-label.begin.swift }
endCaptures:
0: { name: punctuation.definition.arguments.end.swift }
patterns:
- include: "#expressions"
# Global functions available in Swift 3 which may be used with trailing closures and no parentheses
- name: support.function.swift
match: \b(?:anyGenerator|autoreleasepool)(?=\s*[({])\b
# Global functions available in Swift 3
- name: support.function.swift
match: \b(?:s(?:tride(?:of(?:Value)?)?|izeof(?:Value)?|equence|wap)|numericCast|transcode|is(?:UniquelyReferenced(?:NonObjC)?|KnownUniquelyReferenced)|zip|d(?:ump|ebugPrint)|unsafe(?:BitCast|Downcast|Unwrap|Address(?:Of)?)|pr(?:int|econdition(?:Failure)?)|fatalError|with(?:Unsafe(?:MutablePointer|Pointer)|ExtendedLifetime|VaList)|a(?:ssert(?:ionFailure)?|lignof(?:Value)?|bs)|re(?:peatElement|adLine)|getVaList|m(?:in|ax))(?=\s*\()
# Global functions available in Swift 2 only
- name: support.function.swift
match: \b(?:s(?:ort|uffix|pli(?:ce|t))|insert|overlaps|d(?:istance|rop(?:First|Last))|join|prefix|extend|withUnsafe(?:MutablePointers|Pointers)|lazy|advance|re(?:flect|move(?:Range|Last|A(?:tIndex|ll))))(?=\s*\()
builtin-properties:
patterns:
# The simpler (?<=\bProcess\.|\bCommandLine\.) breaks VS Code / Atom, see https://github.com/textmate/swift.tmbundle/issues/29
- name: support.variable.swift
match: (?<=^Process\.|\WProcess\.|^CommandLine\.|\WCommandLine\.)(arguments|argc|unsafeArgv)
# Properties in the standard library in Swift 3
- name: support.variable.swift
match: (?<=\.)(?:s(?:t(?:artIndex|ri(?:ngValue|de))|i(?:ze|gn(?:BitIndex|ificand(?:Bit(?:Count|Pattern)|Width)?|alingNaN)?)|u(?:perclassMirror|mmary|bscriptBaseAddress))|h(?:eader|as(?:hValue|PointerRepresentation))|n(?:ulTerminatedUTF8|ext(?:Down|Up)|a(?:n|tiveOwner))|c(?:haracters|ount(?:TrailingZeros)?|ustom(?:Mirror|PlaygroundQuickLook)|apacity)|i(?:s(?:S(?:ign(?:Minus|aling(?:NaN)?)|ubnormal)|N(?:ormal|aN)|Canonical|Infinite|Zero|Empty|Finite|ASCII)|n(?:dices|finity)|dentity)|owner|de(?:scription|bugDescription)|u(?:n(?:safelyUnwrapped|icodeScalar(?:s)?|derestimatedCount)|tf(?:16|8(?:Start|C(?:String|odeUnitCount))?)|intValue|ppercaseString|lp(?:OfOne)?)|p(?:i|ointee)|e(?:ndIndex|lements|xponent(?:Bit(?:Count|Pattern))?)|value(?:s)?|keys|quietNaN|f(?:irst(?:ElementAddress(?:IfContiguous)?)?|loatingPointClass)|l(?:ittleEndian|owercaseString|eastNo(?:nzeroMagnitude|rmalMagnitude)|a(?:st|zy))|a(?:l(?:ignment|l(?:ocatedElementCount|Zeros))|rray(?:PropertyIsNativeTypeChecked)?)|ra(?:dix|wValue)|greatestFiniteMagnitude|m(?:in|emory|ax)|b(?:yteS(?:ize|wapped)|i(?:nade|tPattern|gEndian)|uffer|ase(?:Address)?))\b
# Properties in the standard library in Swift 2 only
- name: support.variable.swift
match: (?<=\.)(?:boolValue|disposition|end|objectIdentifier|quickLookObject|start|valueType)\b
# Enum cases in the standard library - note that there is some overlap between these and the properties
- name: support.variable.swift
match: (?<=\.)(?:s(?:calarValue|i(?:ze|gnalingNaN)|o(?:und|me)|uppressed|prite|et)|n(?:one|egative(?:Subnormal|Normal|Infinity|Zero))|c(?:ol(?:or|lection)|ustomized)|t(?:o(?:NearestOr(?:Even|AwayFromZero)|wardZero)|uple|ext)|i(?:nt|mage)|optional|d(?:ictionary|o(?:uble|wn))|u(?:Int|p|rl)|p(?:o(?:sitive(?:Subnormal|Normal|Infinity|Zero)|int)|lus)|e(?:rror|mptyInput)|view|quietNaN|float|a(?:ttributedString|wayFromZero)|r(?:ectangle|ange)|generated|minus|b(?:ool|ezierPath))\b
builtin-types:
# Types provided in the standard library
patterns:
- include: "#builtin-types-builtin-class-type"
- include: "#builtin-types-builtin-enum-type"
- include: "#builtin-types-builtin-protocol-type"
- include: "#builtin-types-builtin-struct-type"
- include: "#builtin-types-builtin-typealias"
- name: support.type.any.swift
match: \bAny\b
builtin-types-builtin-class-type:
# Builtin class types
name: support.class.swift
match: \b(Managed(Buffer|ProtoBuffer)|NonObjectiveCBase|AnyGenerator)\b
builtin-types-builtin-enum-type:
patterns:
# CommandLine is an enum, but it acts like a constant
- name: support.constant.swift
match: \b(?:CommandLine|Process(?=\.))\b
# The return type of a function that never returns
- name: support.constant.never.swift
match: \bNever\b
# Enum types in the standard library in Swift 3
- name: support.type.swift
match: \b(?:ImplicitlyUnwrappedOptional|Representation|MemoryLayout|FloatingPointClassification|SetIndexRepresentation|SetIteratorRepresentation|FloatingPointRoundingRule|UnicodeDecodingResult|Optional|DictionaryIndexRepresentation|AncestorRepresentation|DisplayStyle|PlaygroundQuickLook|Never|FloatingPointSign|Bit|DictionaryIteratorRepresentation)\b
# Enum types in the standard library in Swift 2 only
- name: support.type.swift
match: \b(?:MirrorDisposition|QuickLookObject)\b
builtin-types-builtin-protocol-type:
patterns:
# Protocols in the standard library in Swift 3
- name: support.type.swift
match: \b(?:Ra(?:n(?:domAccess(?:Collection|Indexable)|geReplaceable(?:Collection|Indexable))|wRepresentable)|M(?:irrorPath|utable(?:Collection|Indexable))|Bi(?:naryFloatingPoint|twiseOperations|directional(?:Collection|Indexable))|S(?:tr(?:ideable|eamable)|igned(?:Number|Integer)|e(?:tAlgebra|quence))|Hashable|C(?:o(?:llection|mparable)|ustom(?:Reflectable|StringConvertible|DebugStringConvertible|PlaygroundQuickLookable|LeafReflectable)|VarArg)|TextOutputStream|I(?:n(?:teger(?:Arithmetic)?|dexable(?:Base)?)|teratorProtocol)|OptionSet|Un(?:signedInteger|icodeCodec)|E(?:quatable|rror|xpressibleBy(?:BooleanLiteral|String(?:Interpolation|Literal)|NilLiteral|IntegerLiteral|DictionaryLiteral|UnicodeScalarLiteral|ExtendedGraphemeClusterLiteral|FloatLiteral|ArrayLiteral))|FloatingPoint|L(?:osslessStringConvertible|azy(?:SequenceProtocol|CollectionProtocol))|A(?:nyObject|bsoluteValuable))\b
# Protocols in the standard library in Swift 2 only
- name: support.type.swift
match: \b(?:Ran(?:domAccessIndexType|geReplaceableCollectionType)|GeneratorType|M(?:irror(?:Type|PathType)|utable(?:Sliceable|CollectionType))|B(?:i(?:twiseOperationsType|directionalIndexType)|oolean(?:Type|LiteralConvertible))|S(?:tring(?:InterpolationConvertible|LiteralConvertible)|i(?:nkType|gned(?:NumberType|IntegerType))|e(?:tAlgebraType|quenceType)|liceable)|NilLiteralConvertible|C(?:ollectionType|VarArgType)|Inte(?:rvalType|ger(?:Type|LiteralConvertible|ArithmeticType))|O(?:utputStreamType|ptionSetType)|DictionaryLiteralConvertible|Un(?:signedIntegerType|icode(?:ScalarLiteralConvertible|CodecType))|E(?:rrorType|xten(?:sibleCollectionType|dedGraphemeClusterLiteralConvertible))|F(?:orwardIndexType|loat(?:ingPointType|LiteralConvertible))|A(?:nyCollectionType|rrayLiteralConvertible))\b
builtin-types-builtin-struct-type:
patterns:
# Structs in the standard library in Swift 3
- name: support.type.swift
match: \b(?:R(?:e(?:peat(?:ed)?|versed(?:RandomAccess(?:Collection|Index)|Collection|Index))|an(?:domAccessSlice|ge(?:Replaceable(?:RandomAccessSlice|BidirectionalSlice|Slice)|Generator)?))|Generator(?:Sequence|OfOne)|M(?:irror|utable(?:Ran(?:domAccessSlice|geReplaceable(?:RandomAccessSlice|BidirectionalSlice|Slice))|BidirectionalSlice|Slice)|anagedBufferPointer)|B(?:idirectionalSlice|ool)|S(?:t(?:aticString|ri(?:ng|deT(?:hrough(?:Generator|Iterator)?|o(?:Generator|Iterator)?)))|et(?:I(?:ndex|terator))?|lice)|HalfOpenInterval|C(?:haracter(?:View)?|o(?:ntiguousArray|untable(?:Range|ClosedRange)|llectionOfOne)|OpaquePointer|losed(?:Range(?:I(?:ndex|terator))?|Interval)|VaListPointer)|I(?:n(?:t(?:16|8|32|64)?|d(?:ices|ex(?:ing(?:Generator|Iterator))?))|terator(?:Sequence|OverOne)?)|Zip2(?:Sequence|Iterator)|O(?:paquePointer|bjectIdentifier)|D(?:ictionary(?:I(?:ndex|terator)|Literal)?|ouble|efault(?:RandomAccessIndices|BidirectionalIndices|Indices))|U(?:n(?:safe(?:RawPointer|Mutable(?:RawPointer|BufferPointer|Pointer)|BufferPointer(?:Generator|Iterator)?|Pointer)|icodeScalar(?:View)?|foldSequence|managed)|TF(?:16(?:View)?|8(?:View)?|32)|Int(?:16|8|32|64)?)|Join(?:Generator|ed(?:Sequence|Iterator))|PermutationGenerator|E(?:numerate(?:Generator|Sequence|d(?:Sequence|Iterator))|mpty(?:Generator|Collection|Iterator))|Fl(?:oat(?:80)?|atten(?:Generator|BidirectionalCollection(?:Index)?|Sequence|Collection(?:Index)?|Iterator))|L(?:egacyChildren|azy(?:RandomAccessCollection|Map(?:RandomAccessCollection|Generator|BidirectionalCollection|Sequence|Collection|Iterator)|BidirectionalCollection|Sequence|Collection|Filter(?:Generator|BidirectionalCollection|Sequence|Collection|I(?:ndex|terator))))|A(?:ny(?:RandomAccessCollection|Generator|BidirectionalCollection|Sequence|Hashable|Collection|I(?:ndex|terator))|utoreleasingUnsafeMutablePointer|rray(?:Slice)?))\b
# Structs in the standard library in Swift 2 only
- name: support.type.swift
match: \b(?:R(?:everse(?:RandomAccess(?:Collection|Index)|Collection|Index)|awByte)|Map(?:Generator|Sequence|Collection)|S(?:inkOf|etGenerator)|Zip2Generator|DictionaryGenerator|Filter(?:Generator|Sequence|Collection(?:Index)?)|LazyForwardCollection|Any(?:RandomAccessIndex|BidirectionalIndex|Forward(?:Collection|Index)))\b
builtin-types-builtin-typealias:
patterns:
# Typealiases in the standard library in Swift 3
- name: support.type.swift
match: \b(?:Raw(?:Significand|Exponent|Value)|B(?:ooleanLiteralType|uffer|ase)|S(?:t(?:orage|r(?:i(?:ngLiteralType|de)|eam(?:1|2)))|ubSequence)|NativeBuffer|C(?:hild(?:ren)?|Bool|S(?:hort|ignedChar)|odeUnit|Char(?:16|32)?|Int|Double|Unsigned(?:Short|Char|Int|Long(?:Long)?)|Float|WideChar|Long(?:Long)?)|I(?:n(?:t(?:Max|egerLiteralType)|d(?:ices|ex(?:Distance)?))|terator)|Distance|U(?:n(?:icodeScalar(?:Type|Index|View|LiteralType)|foldFirstSequence)|TF(?:16(?:Index|View)|8Index)|IntMax)|E(?:lement(?:s)?|x(?:tendedGraphemeCluster(?:Type|LiteralType)|ponent))|V(?:oid|alue)|Key|Float(?:32|LiteralType|64)|AnyClass)\b
# Typealiases in the standard library in Swift 2 only
- name: support.type.swift
match: \b(?:Generator|PlaygroundQuickLook|UWord|Word)\b
code-block:
begin: \{
end: \}
beginCaptures:
0: { name: punctuation.section.scope.begin.swift }
endCaptures:
0: { name: punctuation.section.scope.end.swift }
patterns:
- include: $self
comments:
patterns:
- name: comment.line.number-sign.swift
match: \A^(#!).*$\n?
captures:
1: { name: punctuation.definition.comment.swift }
- name: comment.block.documentation.swift
begin: /\*\*(?!/)
end: \*/
beginCaptures:
0: { name: punctuation.definition.comment.begin.swift }
endCaptures:
0: { name: punctuation.definition.comment.end.swift }
patterns:
- include: "#comments-nested"
- name: comment.block.documentation.playground.swift
begin: "/\\*:"
end: \*/
beginCaptures:
0: { name: punctuation.definition.comment.begin.swift }
endCaptures:
0: { name: punctuation.definition.comment.end.swift }
patterns:
- include: "#comments-nested"
- name: comment.block.swift
begin: /\*
end: \*/
beginCaptures:
0: { name: punctuation.definition.comment.begin.swift }
endCaptures:
0: { name: punctuation.definition.comment.end.swift }
patterns:
- include: "#comments-nested"
- name: invalid.illegal.unexpected-end-of-block-comment.swift
match: \*/
- begin: (^[ \t]+)?(?=//)
end: (?!\G)
beginCaptures:
1: { name: punctuation.whitespace.comment.leading.swift }
patterns:
- name: comment.line.triple-slash.documentation.swift
begin: ///
end: $
beginCaptures:
0: { name: punctuation.definition.comment.swift }
- name: comment.line.double-slash.documentation.swift
begin: "//:"
end: $
beginCaptures:
0: { name: punctuation.definition.comment.swift }
- name: comment.line.double-slash.swift
begin: //
end: $
beginCaptures:
0: { name: punctuation.definition.comment.swift }
comments-nested:
begin: /\*
end: \*/
patterns:
- include: "#comments-nested"
compiler-control:
patterns:
- contentName: comment.block.preprocessor.swift
begin: ^\s*(#)(if|elseif)\s+(false)\b.*?(?=$|//|/\*)
end: (?=^\s*(#(elseif|else|endif)\b))
beginCaptures:
0: { name: meta.preprocessor.conditional.swift }
1: { name: punctuation.definition.preprocessor.swift }
2: { name: keyword.control.import.preprocessor.conditional.swift }
3: { name: constant.language.boolean.swift }
- name: meta.preprocessor.conditional.swift
captures:
1: { name: punctuation.definition.preprocessor.swift }
2: { name: keyword.control.import.preprocessor.conditional.swift }
begin: ^\s*(#)(if|elseif)\s+
end: (?=\s*(?://|/\*))|$
patterns:
- name: keyword.operator.logical.swift
match: (&&|\|\|)
- name: constant.language.boolean.swift
match: \b(true|false)\b
- match: \b(arch)\s*(\()\s*(?:(arm|arm64|powerpc64|powerpc64le|i386|x86_64|s390x)|\w+)\s*(\))
captures:
1: { name: keyword.other.condition.swift }
2: { name: punctuation.definition.parameters.begin.swift }
3: { name: support.constant.platform.architecture.swift }
4: { name: punctuation.definition.parameters.end.swift }
- match: \b(os)\s*(\()\s*(?:(macOS|OSX|iOS|tvOS|watchOS|visionOS|Android|Linux|FreeBSD|Windows|PS4)|\w+)\s*(\))
captures:
1: { name: keyword.other.condition.swift }
2: { name: punctuation.definition.parameters.begin.swift }
3: { name: support.constant.platform.os.swift }
4: { name: punctuation.definition.parameters.end.swift }
- match: \b(canImport)\s*(\()([\p{L}_][\p{L}_\p{N}\p{M}]*)(\))
captures:
1: { name: keyword.other.condition.swift }
2: { name: punctuation.definition.parameters.begin.swift }
3: { name: entity.name.type.module.swift }
4: { name: punctuation.definition.parameters.end.swift }
- begin: \b(targetEnvironment)\s*(\()
end: (\))|$
beginCaptures:
1: { name: keyword.other.condition.swift }
2: { name: punctuation.definition.parameters.begin.swift }
endCaptures:
1: { name: punctuation.definition.parameters.end.swift }
patterns:
- name: support.constant.platform.environment.swift
match: \b(simulator|UIKitForMac)\b
- begin: \b(swift|compiler)\s*(\()
end: (\))|$
beginCaptures:
1: { name: keyword.other.condition.swift }
2: { name: punctuation.definition.parameters.begin.swift }
endCaptures:
1: { name: punctuation.definition.parameters.end.swift }
patterns:
- name: keyword.operator.comparison.swift
match: ">=|<"
- name: constant.numeric.swift
match: \b[0-9]+(?:\.[0-9]+)*\b
- name: meta.preprocessor.conditional.swift
match: ^\s*(#)(else|endif)(.*?)(?=$|//|/\*)
captures:
1: { name: punctuation.definition.preprocessor.swift }
2: { name: keyword.control.import.preprocessor.conditional.swift }
3:
patterns:
- name: invalid.illegal.character-not-allowed-here.swift
match: \S+
- name: meta.preprocessor.sourcelocation.swift
match: ^\s*(#)(sourceLocation)((\()([^)]*)(\)))(.*?)(?=$|//|/\*)
captures:
1: { name: punctuation.definition.preprocessor.swift }
2: { name: keyword.control.import.preprocessor.sourcelocation.swift }
4: { name: punctuation.definition.parameters.begin.swift }
5:
patterns:
- begin: (file)\s*(:)\s*(?=")
end: (?!\G)
beginCaptures:
1: { name: support.variable.parameter.swift }
2: { name: punctuation.separator.key-value.swift }
patterns:
- include: "#literals"
- match: (line)\s*(:)\s*([0-9]+)
captures:
1: { name: support.variable.parameter.swift }
2: { name: punctuation.separator.key-value.swift }
3: { name: constant.numeric.integer.swift }
- name: punctuation.separator.parameters.swift
match: ","
- name: invalid.illegal.character-not-allowed-here.swift
match: \S+
6: { name: punctuation.definition.parameters.begin.swift }
7:
patterns:
- name: invalid.illegal.character-not-allowed-here.swift
match: \S+
conditionals:
patterns:
- begin: (?<!\.)\b(if|guard|switch|for)\b
end: (?=\{)
beginCaptures:
1:
patterns:
- include: "#keywords"
patterns:
- include: "#expressions-without-trailing-closures"
# while can be the end of a repeat-while statement so doesn't necessarily have braces after it
- begin: (?<!\.)\b(while)\b
end: (?=\{)|$
beginCaptures:
1:
patterns:
- include: "#keywords"
patterns:
- include: "#expressions-without-trailing-closures"
declarations:
patterns:
- include: "#declarations-function"
- include: "#declarations-function-initializer"
- include: "#declarations-function-subscript"
- include: "#declarations-typed-variable-declaration"
- include: "#declarations-import"
- include: "#declarations-operator"
- include: "#declarations-precedencegroup"
- include: "#declarations-protocol"
- include: "#declarations-type"
- include: "#declarations-extension"
- include: "#declarations-typealias"
- include: "#declarations-macro"
declarations-available-types:
patterns:
- include: "#comments"
- include: "#builtin-types"
- include: "#attributes"
- name: storage.modifier.async.swift
match: \basync\b
- name: storage.modifier.exception.swift
match: \b(?:throws|rethrows)\b
- name: keyword.other.operator.type.opaque.swift
match: \bsome\b
- name: keyword.other.operator.type.existential.swift
match: \bany\b
- name: keyword.control.loop.swift
match: \b(?:repeat|each)\b
- name: storage.modifier.swift
match: \b(?:inout|isolated|borrowing|consuming)\b
- name: variable.language.swift
match: \bSelf\b
- match: (?<![/=\-+!*%<>&|\^~.])(->)(?![/=\-+!*%<>&|\^~.])
captures:
1: { name: keyword.operator.type.function.swift }
# Swift 3: A & B
- match: (?<![/=\-+!*%<>&|\^~.])(&)(?![/=\-+!*%<>&|\^~.])
captures:
1: { name: keyword.operator.type.composition.swift }
- name: keyword.operator.type.optional.swift
match: "[?!]"
- name: keyword.operator.function.variadic-parameter.swift
match: \.\.\.
# Swift 2: protocol<A, B>
- name: keyword.other.type.composition.swift
match: \bprotocol\b
- name: keyword.other.type.metatype.swift
match: (?<=\.)(?:Protocol|Type)\b
- include: "#declarations-available-types-tuple-type"
- include: "#declarations-available-types-collection-type"
- include: "#declarations-generic-argument-clause"
declarations-available-types-collection-type:
# array and dictionary types [Value] and [Key: Value]
begin: \[
end: \]|(?=[>){}])
beginCaptures:
0: { name: punctuation.section.collection-type.begin.swift }
endCaptures:
0: { name: punctuation.section.collection-type.end.swift }
patterns:
- include: "#declarations-available-types"
- begin: ":"
end: (?=\]|[>){}])
beginCaptures:
0: { name: punctuation.separator.key-value.swift }
patterns:
- name: invalid.illegal.extra-colon-in-dictionary-type.swift
match: ":"
- include: "#declarations-available-types"
declarations-available-types-tuple-type:
begin: \(
end: \)|(?=[>\]{}])
beginCaptures:
0: { name: punctuation.section.tuple-type.begin.swift }
endCaptures:
0: { name: punctuation.section.tuple-type.end.swift }
patterns:
- include: "#declarations-available-types"
declarations-extension:
name: meta.definition.type.$1.swift
begin: \b(extension)\s+((?<q>`?)[\p{L}_][\p{L}_\p{N}\p{M}]*(\k<q>))
end: (?<=\})
beginCaptures:
1: { name: storage.type.$1.swift }
2:
name: entity.name.type.swift
patterns:
- include: "#declarations-available-types"
3: { name: punctuation.definition.identifier.swift }
4: { name: punctuation.definition.identifier.swift }
patterns:
- include: "#comments"
# SE-0143: Conditional Conformances
- include: "#declarations-generic-where-clause"
- include: "#declarations-inheritance-clause"
- name: meta.definition.type.body.swift
begin: \{
end: \}
beginCaptures:
0: { name: punctuation.definition.type.begin.swift }
endCaptures:
0: { name: punctuation.definition.type.end.swift }
patterns:
- include: $self
declarations-function:
name: meta.definition.function.swift
begin: |-
(?x)
\b
(func)
\s+
(
(?<q>`?)[\p{L}_][\p{L}_\p{N}\p{M}]*(\k<q>)
| (?:
(
(?<oph> # operator-head
[/=\-+!*%<>&|^~?]
| [\x{00A1}-\x{00A7}]
| [\x{00A9}\x{00AB}]
| [\x{00AC}\x{00AE}]
| [\x{00B0}-\x{00B1}\x{00B6}\x{00BB}\x{00BF}\x{00D7}\x{00F7}]
| [\x{2016}-\x{2017}\x{2020}-\x{2027}]
| [\x{2030}-\x{203E}]
| [\x{2041}-\x{2053}]
| [\x{2055}-\x{205E}]
| [\x{2190}-\x{23FF}]
| [\x{2500}-\x{2775}]
| [\x{2794}-\x{2BFF}]
| [\x{2E00}-\x{2E7F}]
| [\x{3001}-\x{3003}]
| [\x{3008}-\x{3030}]
)
(
\g<oph>
| (?<opc> # operator-character
[\x{0300}-\x{036F}]
| [\x{1DC0}-\x{1DFF}]
| [\x{20D0}-\x{20FF}]
| [\x{FE00}-\x{FE0F}]
| [\x{FE20}-\x{FE2F}]
| [\x{E0100}-\x{E01EF}]
)
)*
)
| ( \. ( \g<oph> | \g<opc> | \. )+ ) # Dot operators
)
)
\s*
(?=\(|<)
end: (?<=\})|$(?# functions in protocol declarations or generated interfaces have no body)
beginCaptures:
1: { name: storage.type.function.swift }
2: { name: entity.name.function.swift }
3: { name: punctuation.definition.identifier.swift }
4: { name: punctuation.definition.identifier.swift }
patterns:
- include: "#comments"
- include: "#declarations-generic-parameter-clause"
- include: "#declarations-parameter-clause"
- include: "#declarations-function-result"
- include: "#async-throws"
# Swift 3: generic constraints after the parameters and return type
- include: "#declarations-generic-where-clause"
- name: meta.definition.function.body.swift
begin: (\{)
end: (\})
beginCaptures:
1: { name: punctuation.section.function.begin.swift }
endCaptures:
1: { name: punctuation.section.function.end.swift }
patterns:
- include: $self
declarations-function-initializer:
name: meta.definition.function.initializer.swift
begin: (?<!\.)\b(init[?!]*(?# only one is valid, but we want the in⇥ snippet to produce something that looks good))\s*(?=\(|<)
end: (?<=\})|$
beginCaptures:
1:
name: storage.type.function.swift
patterns:
- name: invalid.illegal.character-not-allowed-here.swift
match: (?<=[?!])[?!]+
patterns:
- include: "#comments"
- include: "#declarations-generic-parameter-clause"
- include: "#declarations-parameter-clause"
- include: "#async-throws"
# Swift 3: generic constraints after the parameters and return type
- include: "#declarations-generic-where-clause"
- name: meta.definition.function.body.swift
begin: (\{)
end: (\})
beginCaptures:
1: { name: punctuation.section.function.begin.swift }
endCaptures:
1: { name: punctuation.section.function.end.swift }
patterns:
- include: $self
declarations-function-result:
name: meta.function-result.swift
begin: (?<![/=\-+!*%<>&|\^~.])(->)(?![/=\-+!*%<>&|\^~.])\s*
end: (?!\G)(?=\{|\bwhere\b|;|=)|$
beginCaptures:
1: { name: keyword.operator.function-result.swift }
patterns:
- include: "#declarations-available-types"
declarations-function-subscript:
name: meta.definition.function.subscript.swift
begin: (?<!\.)\b(subscript)\s*(?=\(|<)
end: (?<=\})|$
beginCaptures:
1: { name: storage.type.function.swift }
patterns:
- include: "#comments"
- include: "#declarations-generic-parameter-clause"
- include: "#declarations-parameter-clause"
- include: "#declarations-function-result"
- include: "#async-throws"
- include: "#declarations-generic-where-clause"
- name: meta.definition.function.body.swift
begin: (\{)
end: (\})
beginCaptures:
1: { name: punctuation.section.function.begin.swift }
endCaptures:
1: { name: punctuation.section.function.end.swift }
patterns:
- include: $self
declarations-generic-argument-clause:
name: meta.generic-argument-clause.swift
begin: <
end: ">|(?=[)\\]{}])"
beginCaptures:
0: { name: punctuation.separator.generic-argument-clause.begin.swift }
endCaptures:
0: { name: punctuation.separator.generic-argument-clause.end.swift }
patterns:
- include: "#declarations-available-types"
declarations-generic-parameter-clause:
name: meta.generic-parameter-clause.swift
begin: <
end: ">|(?=[^\\w\\d:<>\\s,=&`])(?# characters besides these are never valid in a generic param list -- even if it's not really a valid clause, we should stop trying to parse it if we see one of them.)"
beginCaptures:
0: { name: punctuation.separator.generic-parameter-clause.begin.swift }
endCaptures:
0: { name: punctuation.separator.generic-parameter-clause.end.swift }
patterns:
- include: "#comments"
# Swift 2: constraints inside the generic param list
- include: "#declarations-generic-where-clause"
- name: keyword.control.loop.swift
match: \beach\b
- match: \b((?!\d)\w[\w\d]*)\b
captures:
1: { name: variable.language.generic-parameter.swift }
- name: punctuation.separator.generic-parameters.swift
match: ","
- name: meta.generic-parameter-constraint.swift
begin: (:)\s*
end: (?=[,>]|(?!\G)\bwhere\b)
beginCaptures:
1: { name: punctuation.separator.generic-parameter-constraint.swift }
patterns:
- name: entity.other.inherited-class.swift
begin: \G
end: (?=[,>]|(?!\G)\bwhere\b)
patterns:
- include: "#declarations-type-identifier"
- include: "#declarations-type-operators"
declarations-generic-where-clause:
name: meta.generic-where-clause.swift
begin: \b(where)\b\s*
end: (?!\G)$|(?=[>{};\n]|//|/\*)
beginCaptures:
1: { name: keyword.other.generic-constraint-introducer.swift }
patterns:
- include: "#comments"
- include: "#declarations-generic-where-clause-requirement-list"
declarations-generic-where-clause-requirement-list:
begin: \G|,\s*
end: (?=[,>{};\n]|//|/\*)
patterns:
- include: "#comments"
- include: "#constraint"
- include: "#declarations-available-types"
- name: meta.generic-where-clause.same-type-requirement.swift
begin: (?<![/=\-+!*%<>&|\^~.])(==)(?![/=\-+!*%<>&|\^~.])
end: (?=\s*[,>{};\n]|//|/\*)
beginCaptures:
1: { name: keyword.operator.generic-constraint.same-type.swift }
patterns:
- include: "#declarations-available-types"
- name: meta.generic-where-clause.conformance-requirement.swift
begin: (?<![/=\-+!*%<>&|\^~.])(:)(?![/=\-+!*%<>&|\^~.])
end: (?=\s*[,>{};\n]|//|/\*)
beginCaptures:
1: { name: keyword.operator.generic-constraint.conforms-to.swift }
patterns:
- contentName: entity.other.inherited-class.swift
begin: \G\s*
end: (?=\s*[,>{};\n]|//|/\*)
patterns:
- include: "#declarations-available-types"
declarations-import:
name: meta.import.swift
begin: (?<!\.)\b(import)\s+
end: (;)|$\n?|(?=//|/\*)
beginCaptures:
1: { name: keyword.control.import.swift }
endCaptures:
1: { name: punctuation.terminator.statement.swift }
patterns:
- begin: \G(?!;|$|//|/\*)(?:(typealias|struct|class|actor|enum|protocol|var|func)\s+)?
end: (?=;|$|//|/\*)
beginCaptures:
1: { name: storage.modifier.swift }
patterns:
- name: entity.name.type.swift
match: |-
(?x)
(?<=\G|\.)
(?<q>`?)[\p{L}_][\p{L}_\p{N}\p{M}]*(\k<q>)
captures:
1: { name: punctuation.definition.identifier.swift }
2: { name: punctuation.definition.identifier.swift }
- name: entity.name.type.swift
match: |-
(?x)
(?<=\G|\.)
\$[0-9]+
- name: entity.name.type.swift
match: |-
(?x)
(?<=\G|\.)
(?:
(
(?<oph> # operator-head
[/=\-+!*%<>&|^~?]
| [\x{00A1}-\x{00A7}]
| [\x{00A9}\x{00AB}]
| [\x{00AC}\x{00AE}]
| [\x{00B0}-\x{00B1}\x{00B6}\x{00BB}\x{00BF}\x{00D7}\x{00F7}]
| [\x{2016}-\x{2017}\x{2020}-\x{2027}]
| [\x{2030}-\x{203E}]
| [\x{2041}-\x{2053}]
| [\x{2055}-\x{205E}]
| [\x{2190}-\x{23FF}]
| [\x{2500}-\x{2775}]
| [\x{2794}-\x{2BFF}]
| [\x{2E00}-\x{2E7F}]
| [\x{3001}-\x{3003}]
| [\x{3008}-\x{3030}]
)
(
\g<oph>
| (?<opc> # operator-character
[\x{0300}-\x{036F}]
| [\x{1DC0}-\x{1DFF}]
| [\x{20D0}-\x{20FF}]
| [\x{FE00}-\x{FE0F}]
| [\x{FE20}-\x{FE2F}]
| [\x{E0100}-\x{E01EF}]
)
)*
)
| ( \. ( \g<oph> | \g<opc> | \. )+ ) # Dot operators
)
(?=\.|;|$|//|/\*|\s)
captures:
1:
patterns:
- name: invalid.illegal.dot-not-allowed-here.swift
match: \.
- name: punctuation.separator.import.swift
match: \.
- name: invalid.illegal.character-not-allowed-here.swift
begin: (?!\s*(;|$|//|/\*))
end: (?=\s*(;|$|//|/\*))
declarations-inheritance-clause:
name: meta.inheritance-clause.swift
begin: (:)(?=\s*\{)|(:)\s*
end: (?!\G)$|(?=[={}]|(?!\G)\bwhere\b)
beginCaptures:
1: { name: invalid.illegal.empty-inheritance-clause.swift }
2: { name: punctuation.separator.inheritance-clause.swift }
patterns:
- begin: \bclass\b
end: (?=[={}]|(?!\G)\bwhere\b)
beginCaptures:
0: { name: storage.type.class.swift }
patterns:
- include: "#comments"
- include: "#declarations-inheritance-clause-more-types"
- begin: \G
end: (?!\G)$|(?=[={}]|(?!\G)\bwhere\b)
patterns:
- include: "#comments"
- include: "#declarations-inheritance-clause-inherited-type"
- include: "#declarations-inheritance-clause-more-types"
- include: "#declarations-type-operators"
declarations-inheritance-clause-inherited-type:
name: entity.other.inherited-class.swift
begin: (?=[`\p{L}_])
end: (?!\G)
patterns:
- include: "#declarations-type-identifier"
declarations-inheritance-clause-more-types:
name: meta.inheritance-list.more-types
begin: ",\\s*"
end: (?!\G)(?!//|/\*)|(?=[,={}]|(?!\G)\bwhere\b)
patterns:
- include: "#comments"
- include: "#declarations-inheritance-clause-inherited-type"
- include: "#declarations-inheritance-clause-more-types"
- include: "#declarations-type-operators"
declarations-macro:
name: meta.definition.macro.swift
begin: |-
(?x)
\b
(macro)
\s+
((?<q>`?)[\p{L}_][\p{L}_\p{N}\p{M}]*(\k<q>))
\s*
(?=\(|<|=)
end: $|(?=;|//|/\*|\}|=)
beginCaptures:
1: { name: storage.type.function.swift }
2: { name: entity.name.function.swift }
3: { name: punctuation.definition.identifier.swift }
4: { name: punctuation.definition.identifier.swift }
patterns:
- include: "#comments"
- include: "#declarations-generic-parameter-clause"
- include: "#declarations-parameter-clause"
- include: "#declarations-function-result"
- include: "#async-throws"
# Swift 3: generic constraints after the parameters and return type
- include: "#declarations-generic-where-clause"
declarations-operator:
name: meta.definition.operator.swift
begin: |-
(?x)
(?:
\b(prefix|infix|postfix)
\s+
)?
\b
(operator)
\s+
(
(
(?<oph> # operator-head
[/=\-+!*%<>&|^~?]
| [\x{00A1}-\x{00A7}]
| [\x{00A9}\x{00AB}]
| [\x{00AC}\x{00AE}]
| [\x{00B0}-\x{00B1}\x{00B6}\x{00BB}\x{00BF}\x{00D7}\x{00F7}]
| [\x{2016}-\x{2017}\x{2020}-\x{2027}]
| [\x{2030}-\x{203E}]
| [\x{2041}-\x{2053}]
| [\x{2055}-\x{205E}]
| [\x{2190}-\x{23FF}]
| [\x{2500}-\x{2775}]
| [\x{2794}-\x{2BFF}]
| [\x{2E00}-\x{2E7F}]
| [\x{3001}-\x{3003}]
| [\x{3008}-\x{3030}]
)
(
\g<oph>
| \. # Invalid dot
| (?<opc> # operator-character
[\x{0300}-\x{036F}]
| [\x{1DC0}-\x{1DFF}]
| [\x{20D0}-\x{20FF}]
| [\x{FE00}-\x{FE0F}]
| [\x{FE20}-\x{FE2F}]
| [\x{E0100}-\x{E01EF}]
)
)*+
)
| ( \. ( \g<oph> | \g<opc> | \. )++ ) # Dot operators
)
\s*
end: (;)|$\n?|(?=//|/\*)
beginCaptures:
1: { name: storage.modifier.swift }
2: { name: storage.type.function.operator.swift }
3: { name: entity.name.function.operator.swift }
4:
# workaround for https://github.com/microsoft/vscode-textmate/issues/140#issuecomment-1793610346
name: entity.name.function.operator.swift
patterns:
- name: invalid.illegal.dot-not-allowed-here.swift
match: \.
endCaptures:
1: { name: punctuation.terminator.statement.swift }
patterns:
- include: "#declarations-operator-swift2"
- include: "#declarations-operator-swift3"
- name: invalid.illegal.character-not-allowed-here.swift
match: ((?!$|;|//|/\*)\S)+
declarations-operator-swift2:
begin: \G(\{)
end: (\})
beginCaptures:
1: { name: punctuation.definition.operator.begin.swift }
endCaptures:
1: { name: punctuation.definition.operator.end.swift }
patterns:
- include: "#comments"
- match: \b(associativity)\s+(left|right)\b
captures:
1: { name: storage.modifier.swift }
2: { name: keyword.other.operator.associativity.swift }
- match: \b(precedence)\s+([0-9]+)\b