basant307/AI_Governance_Project

1/*2Language: Elixir3Author: Josh Adams <josh@isotope11.com>4Description: language definition for Elixir source code files (.ex and .exs).  Based on ruby language support.5Category: functional6Website: https://elixir-lang.org7*/8 9/** @type LanguageFn */10function elixir(hljs) {11  const regex = hljs.regex;12  const ELIXIR_IDENT_RE = '[a-zA-Z_][a-zA-Z0-9_.]*(!|\\?)?';13  const ELIXIR_METHOD_RE = '[a-zA-Z_]\\w*[!?=]?|[-+~]@|<<|>>|=~|===?|<=>|[<>]=?|\\*\\*|[-/+%^&*~`|]|\\[\\]=?';14  const KEYWORDS = [15    "after",16    "alias",17    "and",18    "case",19    "catch",20    "cond",21    "defstruct",22    "defguard",23    "do",24    "else",25    "end",26    "fn",27    "for",28    "if",29    "import",30    "in",31    "not",32    "or",33    "quote",34    "raise",35    "receive",36    "require",37    "reraise",38    "rescue",39    "try",40    "unless",41    "unquote",42    "unquote_splicing",43    "use",44    "when",45    "with|0"46  ];47  const LITERALS = [48    "false",49    "nil",50    "true"51  ];52  const KWS = {53    $pattern: ELIXIR_IDENT_RE,54    keyword: KEYWORDS,55    literal: LITERALS56  };57  const SUBST = {58    className: 'subst',59    begin: /#\{/,60    end: /\}/,61    keywords: KWS62  };63  const NUMBER = {64    className: 'number',65    begin: '(\\b0o[0-7_]+)|(\\b0b[01_]+)|(\\b0x[0-9a-fA-F_]+)|(-?\\b[0-9][0-9_]*(\\.[0-9_]+([eE][-+]?[0-9]+)?)?)',66    relevance: 067  };68  // TODO: could be tightened69  // https://elixir-lang.readthedocs.io/en/latest/intro/18.html70  // but you also need to include closing delemeters in the escape list per71  // individual sigil mode from what I can tell,72  // ie: \} might or might not be an escape depending on the sigil used73  const ESCAPES_RE = /\\[\s\S]/;74  // const ESCAPES_RE = /\\["'\\abdefnrstv0]/;75  const BACKSLASH_ESCAPE = {76    match: ESCAPES_RE,77    scope: "char.escape",78    relevance: 079  };80  const SIGIL_DELIMITERS = '[/|([{<"\']';81  const SIGIL_DELIMITER_MODES = [82    {83      begin: /"/,84      end: /"/85    },86    {87      begin: /'/,88      end: /'/89    },90    {91      begin: /\//,92      end: /\//93    },94    {95      begin: /\|/,96      end: /\|/97    },98    {99      begin: /\(/,100      end: /\)/101    },102    {103      begin: /\[/,104      end: /\]/105    },106    {107      begin: /\{/,108      end: /\}/109    },110    {111      begin: /</,112      end: />/113    }114  ];115  const escapeSigilEnd = (end) => {116    return {117      scope: "char.escape",118      begin: regex.concat(/\\/, end),119      relevance: 0120    };121  };122  const LOWERCASE_SIGIL = {123    className: 'string',124    begin: '~[a-z]' + '(?=' + SIGIL_DELIMITERS + ')',125    contains: SIGIL_DELIMITER_MODES.map(x => hljs.inherit(x,126      { contains: [127        escapeSigilEnd(x.end),128        BACKSLASH_ESCAPE,129        SUBST130      ] }131    ))132  };133 134  const UPCASE_SIGIL = {135    className: 'string',136    begin: '~[A-Z]' + '(?=' + SIGIL_DELIMITERS + ')',137    contains: SIGIL_DELIMITER_MODES.map(x => hljs.inherit(x,138      { contains: [ escapeSigilEnd(x.end) ] }139    ))140  };141 142  const REGEX_SIGIL = {143    className: 'regex',144    variants: [145      {146        begin: '~r' + '(?=' + SIGIL_DELIMITERS + ')',147        contains: SIGIL_DELIMITER_MODES.map(x => hljs.inherit(x,148          {149            end: regex.concat(x.end, /[uismxfU]{0,7}/),150            contains: [151              escapeSigilEnd(x.end),152              BACKSLASH_ESCAPE,153              SUBST154            ]155          }156        ))157      },158      {159        begin: '~R' + '(?=' + SIGIL_DELIMITERS + ')',160        contains: SIGIL_DELIMITER_MODES.map(x => hljs.inherit(x,161          {162            end: regex.concat(x.end, /[uismxfU]{0,7}/),163            contains: [ escapeSigilEnd(x.end) ]164          })165        )166      }167    ]168  };169 170  const STRING = {171    className: 'string',172    contains: [173      hljs.BACKSLASH_ESCAPE,174      SUBST175    ],176    variants: [177      {178        begin: /"""/,179        end: /"""/180      },181      {182        begin: /'''/,183        end: /'''/184      },185      {186        begin: /~S"""/,187        end: /"""/,188        contains: [] // override default189      },190      {191        begin: /~S"/,192        end: /"/,193        contains: [] // override default194      },195      {196        begin: /~S'''/,197        end: /'''/,198        contains: [] // override default199      },200      {201        begin: /~S'/,202        end: /'/,203        contains: [] // override default204      },205      {206        begin: /'/,207        end: /'/208      },209      {210        begin: /"/,211        end: /"/212      }213    ]214  };215  const FUNCTION = {216    className: 'function',217    beginKeywords: 'def defp defmacro defmacrop',218    end: /\B\b/, // the mode is ended by the title219    contains: [220      hljs.inherit(hljs.TITLE_MODE, {221        begin: ELIXIR_IDENT_RE,222        endsParent: true223      })224    ]225  };226  const CLASS = hljs.inherit(FUNCTION, {227    className: 'class',228    beginKeywords: 'defimpl defmodule defprotocol defrecord',229    end: /\bdo\b|$|;/230  });231  const ELIXIR_DEFAULT_CONTAINS = [232    STRING,233    REGEX_SIGIL,234    UPCASE_SIGIL,235    LOWERCASE_SIGIL,236    hljs.HASH_COMMENT_MODE,237    CLASS,238    FUNCTION,239    { begin: '::' },240    {241      className: 'symbol',242      begin: ':(?![\\s:])',243      contains: [244        STRING,245        { begin: ELIXIR_METHOD_RE }246      ],247      relevance: 0248    },249    {250      className: 'symbol',251      begin: ELIXIR_IDENT_RE + ':(?!:)',252      relevance: 0253    },254    { // Usage of a module, struct, etc.255      className: 'title.class',256      begin: /(\b[A-Z][a-zA-Z0-9_]+)/,257      relevance: 0258    },259    NUMBER,260    {261      className: 'variable',262      begin: '(\\$\\W)|((\\$|@@?)(\\w+))'263    }264    // -> has been removed, capnproto always uses this grammar construct265  ];266  SUBST.contains = ELIXIR_DEFAULT_CONTAINS;267 268  return {269    name: 'Elixir',270    aliases: [271      'ex',272      'exs'273    ],274    keywords: KWS,275    contains: ELIXIR_DEFAULT_CONTAINS276  };277}278 279export { elixir as default };280