Vimperator プラグイン。<Leader>/ でページ内検索した時にリストを作成して foundlist コマンドで該当箇所にジャンプする。

list_found.js

var wm = new WeakMap;

mappings.addUserMap([modes.NORMAL], ["<Leader>/"], "Search forward for a pattern", function () { openPrompt(modes.SEARCH_FORWARD); });

commands.addUserCommand(['foundlist', 'fl'], 'show found list',
  function (args) {
    var index = parseInt(args.literalArg, 10);
    if (Number.isNaN(index))
      return;

    var win = gBrowser.contentWindow;
    if (wm.has(win)) {
      let list = wm.get(win);
      win.scrollBy(0, list[index].y - win.scrollY);
    }
  }, {
    literal: 0,
    completer: function (context, args) {
      var win = gBrowser.contentWindow;
      if (!wm.has(win)) {
        context.title = ["Found List", "not generated"];
        return;
      }
      var list = wm.get(win);
      context.title = ["Found List",  finder._lastSearchString];
      context.anchored = false;
      context.compare = CompletionContext.Sort.number;
      context.completions = list.map((item,i) => [i+":["+item.x+","+item.y+"]:"+ item.summary, ""]);
    }
  },
  true);

function openPrompt (mode) {
  finder._backwards = mode == modes.SEARCH_BACKWARD;
  //commandline.open(this._backwards ? "Find backwards" : "Find", "", mode);
  commandline.input(finder._backwards ? "Find backwards" : "Find", onSubmit, {
    onChange: function() { if (options["incsearch"]) finder.find(commandline.command) }
  });
}

function onSubmit (str, forcedBackward) {
  finder.closure.onSubmit(str, forcedBackward);
  find(str);
}

function find (aWord) {
  var win = gBrowser.contentWindow;
  var {scrollX, scrollY} = win;
  var result = [];
  for (let range of gBrowser.finder._findIterator(aWord, win)) {
    let r = range.cloneRange();
    let sContinue = true, eContinue = true;
    while (sContinue || eContinue) {
      if (sContinue) sContinue = extendStart(r);
      if (eContinue) eContinue = extendEnd(r);
      if (r.toString().length > 50)
        break;
    }
    let rect = range.getBoundingClientRect();
    result.push({
      x: Math.floor(rect.x + scrollX),
      y: Math.floor(rect.y + scrollY),
      summary: r.toString(),
    });
  }
  wm.set(win, result);
  return result;
}
function extendRange (aRange) {
  var sRetValue = extendStart(aRange);
}
function extendStart(aRange) {
  var s = aRange.startContainer;
  if (isTextNode(s)) {
    aRange.setStartBefore(s.previousSibling || s);
  } else {
    var offset = aRange.startOffset;
    if (offset > 0) {
      aRange.setStart(s, offset - 1);
    } else if (isBlockElement(s)) {
      return false;
    } else {
      aRange.setStartBefore(s);
    }
  }
  return true;
}
function extendEnd(aRange) {
  var len = aRange.toString().length;
  var e = aRange.endContainer;
  if (isTextNode(e)) {
    aRange.setEndAfter(e.nextSibling || e);
  } else {
    var offset = aRange.endOffset;
    if (offset < e.childNodes.length) {
      aRange.setEnd(e, offset + 1);
    } else if (isBlockElement(e)) {
      return false;
    } else {
      aRange.setEndAfter(e);
    }
  }
  return true;
}
function isTextNode(aNode) {
  switch (aNode.nodeType) {
    case Node.TEXT_NODE:
    case Node.COMMENT_NODE:
    case Node.CDATA_SECTION_NODE:
      return true;
  }
  return false;
}
function isBlockElement(aNode) {
  if (aNode.nodeType !== Node.ELEMENT_NODE) return false;
  switch (aNode.localName) {
    case 'div':
    case 'p':
    case 'h1':
    case 'h2':
    case 'h3':
    case 'h4':
    case 'h5':
    case 'h6':
    case 'h7':
    case 'td':
    case 'th':
    case 'tr':
    case 'pre':
    case 'table':
    case 'caption':
    case 'section':
    case 'article':
    case 'header':
    case 'footer':
    case "li":
    case "ul":
    case "ol":
    case "dt":
    case "dl":
    case "dd":
      return true;
  }
  return false;
}