Function loop

static/libs/codemirror.js:1544–1572

( 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 );