Function findMatchingPosition

lib/web/tern/tern.js:406–416

(line, file, near)

  }

  function findMatchingPosition(line, file, near) {
    var pos = Math.max(0, near - 500), closest = null;
    if (!/^\s*$/.test(line)) for (;;) {
      var found = file.indexOf(line, pos);
      if (found < 0 || found > near + 500) break;
      if (closest == null || Math.abs(closest - near) > Math.abs(found - near))
        closest = found;
      pos = found + line.length;
    }
    return closest;
  }

  function scopeDepth(s) {
    for (var i = 0; s; ++i, s = s.prev) {}