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Original file line number | Diff line number | Diff line change |
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@@ -1,25 +1,148 @@ | ||
// issues: nested multiline comments | ||
Prism.languages.swift = Prism.languages.extend('clike', { | ||
'string': { | ||
pattern: /("|')(?:\\(?:\((?:[^()]|\([^)]+\))+\)|\r\n|[^(])|(?!\1)[^\\\r\n])*\1/, | ||
greedy: true, | ||
inside: { | ||
'interpolation': { | ||
pattern: /\\\((?:[^()]|\([^)]+\))+\)/, | ||
inside: { | ||
delimiter: { | ||
pattern: /^\\\(|\)$/, | ||
alias: 'variable' | ||
} | ||
// See rest below | ||
} | ||
Prism.languages.swift = { | ||
'comment': { | ||
// Nested comments are supported up to 2 levels | ||
pattern: /(^|[^\\:])(?:\/\/.*|\/\*(?:[^/*]|\/(?!\*)|\*(?!\/)|\/\*(?:[^*]|\*(?!\/))*\*\/)*\*\/)/, | ||
lookbehind: true, | ||
greedy: true | ||
}, | ||
'string-literal': [ | ||
// https://docs.swift.org/swift-book/LanguageGuide/StringsAndCharacters.html | ||
{ | ||
pattern: RegExp( | ||
/(^|[^"#])/.source | ||
+ '(?:' | ||
// single-line string | ||
+ /"(?:\\(?:\((?:[^()]|\([^()]*\))*\)|\r\n|[^(])|[^\\\r\n"])*"/.source | ||
+ '|' | ||
// multi-line string | ||
+ /"""(?:\\(?:\((?:[^()]|\([^()]*\))*\)|[^(])|[^\\"]|"(?!""))*"""/.source | ||
+ ')' | ||
+ /(?!["#])/.source | ||
), | ||
lookbehind: true, | ||
greedy: true, | ||
inside: { | ||
'interpolation': { | ||
pattern: /(\\\()(?:[^()]|\([^()]*\))*(?=\))/, | ||
lookbehind: true, | ||
inside: null // see below | ||
}, | ||
'interpolation-punctuation': { | ||
pattern: /^\)|\\\($/, | ||
alias: 'punctuation' | ||
}, | ||
'punctuation': /\\(?=[\r\n])/, | ||
'string': /[\s\S]+/ | ||
} | ||
}, | ||
{ | ||
pattern: RegExp( | ||
/(^|[^"#])(#+)/.source | ||
+ '(?:' | ||
// single-line string | ||
+ /"(?:\\(?:#+\((?:[^()]|\([^()]*\))*\)|\r\n|[^#])|[^\\\r\n])*?"/.source | ||
+ '|' | ||
// multi-line string | ||
+ /"""(?:\\(?:#+\((?:[^()]|\([^()]*\))*\)|[^#])|[^\\])*?"""/.source | ||
+ ')' | ||
+ '\\2' | ||
), | ||
lookbehind: true, | ||
greedy: true, | ||
inside: { | ||
'interpolation': { | ||
pattern: /(\\#+\()(?:[^()]|\([^()]*\))*(?=\))/, | ||
lookbehind: true, | ||
inside: null // see below | ||
}, | ||
'interpolation-punctuation': { | ||
pattern: /^\)|\\#+\($/, | ||
alias: 'punctuation' | ||
}, | ||
'string': /[\s\S]+/ | ||
} | ||
}, | ||
], | ||
|
||
'directive': { | ||
// directives with conditions | ||
pattern: RegExp( | ||
/#/.source | ||
+ '(?:' | ||
+ ( | ||
/(?:elseif|if)\b/.source | ||
+ '(?:[ \t]*' | ||
// This regex is a little complex. It's equivalent to this: | ||
// (?:![ \t]*)?(?:\b\w+\b(?:[ \t]*<round>)?|<round>)(?:[ \t]*(?:&&|\|\|))? | ||
// where <round> is a general parentheses expression. | ||
+ /(?:![ \t]*)?(?:\b\w+\b(?:[ \t]*\((?:[^()]|\([^()]*\))*\))?|\((?:[^()]|\([^()]*\))*\))(?:[ \t]*(?:&&|\|\|))?/.source | ||
+ ')+' | ||
) | ||
+ '|' | ||
+ /(?:else|endif)\b/.source | ||
+ ')' | ||
), | ||
alias: 'property', | ||
inside: { | ||
'directive-name': /^#\w+/, | ||
'boolean': /\b(?:true|false)\b/, | ||
'number': /\b\d+(?:\.\d+)*\b/, | ||
'operator': /!|&&|\|\||[<>]=?/, | ||
'punctuation': /[(),]/ | ||
} | ||
}, | ||
'keyword': /\b(?:actor|as|associativity|async|await|break|case|catch|class|continue|convenience|default|defer|deinit|didSet|do|dynamic(?:Type)?|else|enum|extension|fallthrough|final|for|func|get|guard|if|import|in|infix|init|inout|internal|is|lazy|left|let|mutating|new|none|nonisolated|nonmutating|operator|optional|override|postfix|precedence|prefix|private|protocol|public|repeat|required|rethrows|return|right|safe|self|Self|set|some|static|struct|subscript|super|switch|throws?|try|Type|typealias|unowned|unsafe|var|weak|where|while|willSet|__(?:COLUMN__|FILE__|FUNCTION__|LINE__))\b/, | ||
'literal': { | ||
pattern: /#(?:colorLiteral|column|dsohandle|file(?:ID|Literal|Path)?|function|imageLiteral|line)\b/, | ||
alias: 'constant' | ||
}, | ||
'other-directive': { | ||
pattern: /#\w+\b/, | ||
alias: 'property' | ||
}, | ||
|
||
'attribute': { | ||
pattern: /@\w+/, | ||
alias: 'atrule' | ||
}, | ||
|
||
'function-definition': { | ||
pattern: /(\bfunc\s+)\w+/, | ||
lookbehind: true, | ||
alias: 'function' | ||
}, | ||
'label': { | ||
// https://docs.swift.org/swift-book/LanguageGuide/ControlFlow.html#ID141 | ||
pattern: /\b(break|continue)\s+\w+|\b[a-zA-Z_]\w*(?=\s*:\s*(?:for|repeat|while)\b)/, | ||
lookbehind: true, | ||
alias: 'important' | ||
}, | ||
|
||
'keyword': /\b(?:Any|Protocol|Self|Type|actor|as|assignment|associatedtype|associativity|async|await|break|case|catch|class|continue|convenience|default|defer|deinit|didSet|do|dynamic|else|enum|extension|fallthrough|fileprivate|final|for|func|get|guard|higherThan|if|import|in|indirect|infix|init|inout|internal|is|lazy|left|let|lowerThan|mutating|none|nonisolated|nonmutating|open|operator|optional|override|postfix|precedencegroup|prefix|private|protocol|public|repeat|required|rethrows|return|right|safe|self|set|some|static|struct|subscript|super|switch|throw|throws|try|typealias|unowned|unsafe|var|weak|where|while|willSet)\b/, | ||
'boolean': /\b(?:true|false)\b/, | ||
'nil': { | ||
pattern: /\bnil\b/, | ||
alias: 'constant' | ||
}, | ||
|
||
'short-argument': /\$\d+\b/, | ||
'omit': { | ||
pattern: /\b_\b/, | ||
alias: 'keyword' | ||
}, | ||
'number': /\b(?:[\d_]+(?:\.[\de_]+)?|0x[a-f0-9_]+(?:\.[a-f0-9p_]+)?|0b[01_]+|0o[0-7_]+)\b/i, | ||
'constant': /\b(?:nil|[A-Z_]{2,}|k[A-Z][A-Za-z_]+)\b/, | ||
'atrule': /@\b(?:IB(?:Outlet|Designable|Action|Inspectable)|class_protocol|exported|globalActor|MainActor|noreturn|NS(?:Copying|Managed)|objc|propertyWrapper|UIApplicationMain|auto_closure)\b/, | ||
'builtin': /\b(?:[A-Z]\S+|abs|advance|alignof(?:Value)?|assert|contains|count(?:Elements)?|debugPrint(?:ln)?|distance|drop(?:First|Last)|dump|enumerate|equal|filter|find|first|getVaList|indices|isEmpty|join|last|lexicographicalCompare|map|max(?:Element)?|min(?:Element)?|numericCast|overlaps|partition|print(?:ln)?|reduce|reflect|reverse|sizeof(?:Value)?|sort(?:ed)?|split|startsWith|stride(?:of(?:Value)?)?|suffix|swap|toDebugString|toString|transcode|underestimateCount|unsafeBitCast|with(?:ExtendedLifetime|Unsafe(?:MutablePointers?|Pointers?)|VaList))\b/ | ||
|
||
// A class name must start with an upper-case letter and be either 1 letter long or contain a lower-case letter. | ||
'class-name': /\b[A-Z](?:[A-Z_\d]*[a-z]\w*)?\b/, | ||
'function': /\b[a-z_]\w*(?=\s*\()/i, | ||
'constant': /\b(?:[A-Z_]{2,}|k[A-Z][A-Za-z_]+)\b/, | ||
|
||
// Operators are generic in Swift. Developers can even create new operators (e.g. +++). | ||
// https://docs.swift.org/swift-book/ReferenceManual/zzSummaryOfTheGrammar.html#ID481 | ||
// This regex only supports ASCII operators. | ||
'operator': /[-+*/%=!<>&|^~?]+|\.[.\-+*/%=!<>&|^~?]+/, | ||
'punctuation': /[{}[\]();,.:\\]/ | ||
}; | ||
|
||
Prism.languages.swift['string-literal'].forEach(function (rule) { | ||
rule.inside['interpolation'].inside = Prism.languages.swift; | ||
}); | ||
Prism.languages.swift['string'].inside['interpolation'].inside.rest = Prism.languages.swift; |
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