(cm)
| 859 | } |
| 860 | |
| 861 | function highlightWorker(cm) { |
| 862 | var doc = cm.doc; |
| 863 | if (doc.frontier < doc.first) doc.frontier = doc.first; |
| 864 | if (doc.frontier >= cm.display.showingTo) return; |
| 865 | var end = +new Date + cm.options.workTime; |
| 866 | var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); |
| 867 | var changed = [], prevChange; |
| 868 | doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.showingTo + 500), function(line) { |
| 869 | if (doc.frontier >= cm.display.showingFrom) { // Visible |
| 870 | var oldStyles = line.styles; |
| 871 | line.styles = highlightLine(cm, line, state); |
| 872 | var ischange = !oldStyles || oldStyles.length != line.styles.length; |
| 873 | for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; |
| 874 | if (ischange) { |
| 875 | if (prevChange && prevChange.end == doc.frontier) prevChange.end++; |
| 876 | else changed.push(prevChange = {start: doc.frontier, end: doc.frontier + 1}); |
| 877 | } |
| 878 | line.stateAfter = copyState(doc.mode, state); |
| 879 | } else { |
| 880 | processLine(cm, line, state); |
| 881 | line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; |
| 882 | } |
| 883 | ++doc.frontier; |
| 884 | if (+new Date > end) { |
| 885 | startWorker(cm, cm.options.workDelay); |
| 886 | return true; |
| 887 | } |
| 888 | }); |
| 889 | if (changed.length) |
| 890 | operation(cm, function() { |
| 891 | for (var i = 0; i < changed.length; ++i) |
| 892 | regChange(this, changed[i].start, changed[i].end); |
| 893 | })(); |
| 894 | } |
| 895 | |
| 896 | // Finds the line to start with when starting a parse. Tries to |
| 897 | // find a line with a stateAfter, so that it can start with a |
nothing calls this directly
no test coverage detected