Function loop

external/.scrollLibs.js:2498–2538

(o)

    // Run overlays, adjust style array.
    var loop = function (o) {
      context.baseTokens = st
      var overlay = cm.state.overlays[o],
        i = 1,
        at = 0
      context.state = true
      runMode(
        cm,
        line.text,
        overlay.mode,
        context,
        function (end, style) {
          var start = i
          // Ensure there's a token end at the current position, and that i points at it
          while (at < end) {
            var i_end = st[i]
            if (i_end > end) {
              st.splice(i, 1, end, st[i + 1], i_end)
            }
            i += 2
            at = Math.min(end, i_end)
          }
          if (!style) {
            return
          }
          if (overlay.opaque) {
            st.splice(start, i - start, end, "overlay " + style)
            i = start + 2
          } else {
            for (; start < i; start += 2) {
              var cur = st[start + 1]
              st[start + 1] = (cur ? cur + " " : "") + "overlay " + style
            }
          }
        },
        lineClasses
      )
      context.state = state
      context.baseTokens = null
      context.baseTokenPos = 1
    }

    for (var o = 0; o < cm.state.overlays.length; ++o) loop(o)