Method parse

www/js/_hyperscript.esm.js:6013–6089

(parser)

    return parser.requireElement("expression");
  }
  static parse(parser) {
    if (!parser.matchToken("pick")) return;
    parser.matchToken("the");
    if (parser.matchToken("first")) {
      var follows = parser.pushFollows("of", "from");
      try {
        var count = parser.requireElement("expression");
      } finally {
        parser.popFollows(follows);
      }
      var root = _PickCommand.parseSource(parser);
      return new _PickCommand("first", root, null, null, null, count);
    }
    if (parser.matchToken("last")) {
      var follows = parser.pushFollows("of", "from");
      try {
        var count = parser.requireElement("expression");
      } finally {
        parser.popFollows(follows);
      }
      var root = _PickCommand.parseSource(parser);
      return new _PickCommand("last", root, null, null, null, count);
    }
    if (parser.matchToken("random")) {
      var count = null;
      if (parser.currentToken().type === "NUMBER") {
        var follows = parser.pushFollows("of", "from");
        try {
          count = parser.requireElement("expression");
        } finally {
          parser.popFollows(follows);
        }
      }
      var root = _PickCommand.parseSource(parser);
      return new _PickCommand("random", root, null, null, null, count);
    }
    if (parser.matchToken("item") || parser.matchToken("items") || parser.matchToken("character") || parser.matchToken("characters")) {
      var follows = parser.pushFollows("of", "from");
      try {
        var range = _PickCommand.parsePickRange(parser);
      } finally {
        parser.popFollows(follows);
      }
      var root = _PickCommand.parseSource(parser);
      return new _PickCommand("range", root, range, null, null);
    }
    if (parser.matchToken("match")) {
      parser.matchToken("of");
      var follows = parser.pushFollows("of", "from");
      try {
        var re = parser.parseElement("expression");
        var flags = "";
        if (parser.matchOpToken("|")) {
          flags = parser.requireTokenType("IDENTIFIER").value;
        }
      } finally {
        parser.popFollows(follows);
      }