(function (Prism) {
  var keywords =
    /\b(?:(?:after|before)(?=\s+[a-z])|abstract|activate|and|any|array|as|asc|autonomous|begin|bigdecimal|blob|boolean|break|bulk|by|byte|case|cast|catch|char|class|collect|commit|const|continue|currency|date|datetime|decimal|default|delete|desc|do|double|else|end|enum|exception|exit|export|extends|final|finally|float|for|from|get(?=\s*[{};])|global|goto|group|having|hint|if|implements|import|in|inner|insert|instanceof|int|integer|interface|into|join|like|limit|list|long|loop|map|merge|new|not|null|nulls|number|object|of|on|or|outer|override|package|parallel|pragma|private|protected|public|retrieve|return|rollback|select|set|short|sObject|sort|static|string|super|switch|synchronized|system|testmethod|then|this|throw|time|transaction|transient|trigger|try|undelete|update|upsert|using|virtual|void|webservice|when|where|while|(?:inherited|with|without)\s+sharing)\b/i;

  var className =
    /\b(?:(?=[a-z_]\w*\s*[<\[])|(?!<keyword>))[A-Z_]\w*(?:\s*\.\s*[A-Z_]\w*)*\b(?:\s*(?:\[\s*\]|<(?:[^<>]|<(?:[^<>]|<[^<>]*>)*>)*>))*/.source.replace(
      /<keyword>/g,
      function () {
        return keywords.source;
      }
    );
  /** @param {string} pattern */
  function insertClassName(pattern) {
    return RegExp(
      pattern.replace(/<CLASS-NAME>/g, function () {
        return className;
      }),
      'i'
    );
  }

  var classNameInside = {
    keyword: keywords,
    punctuation: /[()\[\]{};,:.<>]/,
  };

  Prism.languages.apex = {
    comment: Prism.languages.clike.comment,
    string: Prism.languages.clike.string,
    sql: {
      pattern: /((?:[=,({:]|\breturn)\s*)\[[^\[\]]*\]/i,
      lookbehind: true,
      greedy: true,
      alias: 'language-sql',
      inside: Prism.languages.sql,
    },

    annotation: {
      pattern: /@\w+\b/,
      alias: 'punctuation',
    },
    'class-name': [
      {
        pattern: insertClassName(
          /(\b(?:class|enum|extends|implements|instanceof|interface|new|trigger\s+\w+\s+on)\s+)<CLASS-NAME>/
            .source
        ),
        lookbehind: true,
        inside: classNameInside,
      },
      {
        // cast
        pattern: insertClassName(/(\(\s*)<CLASS-NAME>(?=\s*\)\s*[\w(])/.source),
        lookbehind: true,
        inside: classNameInside,
      },
      {
        // variable/parameter declaration and return types
        pattern: insertClassName(/<CLASS-NAME>(?=\s*\w+\s*[;=,(){:])/.source),
        inside: classNameInside,
      },
    ],
    trigger: {
      pattern: /(\btrigger\s+)\w+\b/i,
      lookbehind: true,
      alias: 'class-name',
    },
    keyword: keywords,
    function: /\b[a-z_]\w*(?=\s*\()/i,

    boolean: /\b(?:false|true)\b/i,

    number: /(?:\B\.\d+|\b\d+(?:\.\d+|L)?)\b/i,
    operator: /[!=](?:==?)?|\?\.?|&&|\|\||--|\+\+|[-+*/^&|]=?|:|<<?=?|>{1,3}=?/,
    punctuation: /[()\[\]{};,.]/,
  };
})(Prism);