Prism.languages.nix = { 'comment': /\/\*[\s\S]*?\*\/|#.*/, 'string': { pattern: /"(?:[^"\\]|\\[\s\S])*"|''(?:(?!'')[\s\S]|''(?:'|\\|\$\{))*''/, greedy: true, inside: { 'interpolation': { // The lookbehind ensures the ${} is not preceded by \ or '' pattern: /(^|(?:^|(?!'').)[^\\])\$\{(?:[^}]|\{[^}]*\})*}/, lookbehind: true, inside: { 'antiquotation': { pattern: /^\$(?=\{)/, alias: 'variable' } // See rest below } } } }, 'url': [ /\b(?:[a-z]{3,7}:\/\/)[\w\-+%~\/.:#=?&]+/, { pattern: /([^\/])(?:[\w\-+%~.:#=?&]*(?!\/\/)[\w\-+%~\/.:#=?&])?(?!\/\/)\/[\w\-+%~\/.:#=?&]*/, lookbehind: true } ], 'antiquotation': { pattern: /\$(?=\{)/, alias: 'variable' }, 'number': /\b\d+\b/, 'keyword': /\b(?:assert|builtins|else|if|in|inherit|let|null|or|then|with)\b/, 'function': /\b(?:abort|add|all|any|attrNames|attrValues|baseNameOf|compareVersions|concatLists|currentSystem|deepSeq|derivation|dirOf|div|elem(?:At)?|fetch(?:url|Tarball)|filter(?:Source)?|fromJSON|genList|getAttr|getEnv|hasAttr|hashString|head|import|intersectAttrs|is(?:Attrs|Bool|Function|Int|List|Null|String)|length|lessThan|listToAttrs|map|mul|parseDrvName|pathExists|read(?:Dir|File)|removeAttrs|replaceStrings|seq|sort|stringLength|sub(?:string)?|tail|throw|to(?:File|JSON|Path|String|XML)|trace|typeOf)\b|\bfoldl'\B/, 'boolean': /\b(?:true|false)\b/, 'operator': /[=!<>]=?|\+\+?|\|\||&&|\/\/|->?|[?@]/, 'punctuation': /[{}()[\].,:;]/ }; Prism.languages.nix.string.inside.interpolation.inside.rest = Prism.util.clone(Prism.languages.nix);