refractor/lang/swift.js

Lightweight, robust, elegant virtual syntax highlighting using Prism

'use strict';

module.exports = swift;
swift.displayName = 'swift';
swift.aliases = [];
function swift(Prism) {
  // issues: nested multiline comments
  Prism.languages.swift = Prism.languages.extend('clike', {
    string: {
      pattern: /("|')(\\(?:\((?:[^()]|\([^)]+\))+\)|\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
      greedy: true,
      inside: {
        interpolation: {
          pattern: /\\\((?:[^()]|\([^)]+\))+\)/,
          inside: {
            delimiter: {
              pattern: /^\\\(|\)$/,
              alias: 'variable'
            }
            // See rest below
          }
        }
      }
    },
    keyword: /\b(?:as|associativity|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|nonmutating|operator|optional|override|postfix|precedence|prefix|private|Protocol|public|repeat|required|rethrows|return|right|safe|self|Self|set|static|struct|subscript|super|switch|throws?|try|Type|typealias|unowned|unsafe|var|weak|where|while|willSet|__(?:COLUMN__|FILE__|FUNCTION__|LINE__))\b/,
    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|noreturn|NS(?:Copying|Managed)|objc|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/
  });
  Prism.languages.swift['string'].inside[
    'interpolation'
  ].inside.rest = Prism.util.clone(Prism.languages.swift);
}