fix foldwidgets getting out of sync with document

lib/ace/document.js

@@ -42,7 +42,7 @@ var oop = require("./lib/oop");
 var EventEmitter = require("./lib/event_emitter").EventEmitter;
 var Range = require("./range").Range;
 var Anchor = require("./anchor").Anchor;
-var lang = require("./lib/lang");
+
 /**
  * class Document
  *
@@ -326,8 +326,15 @@ var Document = function(text) {
         if (lines.length == 0)
             return {row: row, column: 0};
 
+        if (lines.length > 0xFFFF) {
+            var end = this.insertLines(row, lines.slice(0xFFFF));
+            lines = lines.slice(0, 0xFFFF);
+        }
+
         var args = [row, 0];
-        this.$lines = lang.chunkLines(lines, this.$lines, args, true);
+        args.push.apply(args, lines);
+        this.$lines.splice.apply(this.$lines, args);
+
         var range = new Range(row, 0, row + lines.length, 0);
         var delta = {
             action: "insertLines",
@@ -335,7 +342,7 @@ var Document = function(text) {
             lines: lines
         };
         this._emit("change", { data: delta });
-        return range.end;
+        return end || range.end;
     };
 
     /**

lib/ace/edit_session/folding.js

@@ -43,7 +43,7 @@ var Range = require("../range").Range;
 var FoldLine = require("./fold_line").FoldLine;
 var Fold = require("./fold").Fold;
 var TokenIterator = require("../token_iterator").TokenIterator;
-var lang = require("../lib/lang");
+
 function Folding() {
     /*
      * Looks up a fold at a given row/column. Possible values for side:
@@ -748,8 +748,7 @@ function Folding() {
         } else {
             var args = Array(len + 1);
             args.unshift(firstRow, 1);
-            
+            this.foldWidgets.splice.apply(this.foldWidgets, args);
-            this.foldWidgets = lang.chunkLines(args, this.foldWidgets);
         }
     };
 

lib/ace/lib/lang.js

@@ -147,24 +147,4 @@ exports.deferredCall = function(fcn) {
     return deferred;
 };
 
-// because of Document, this is confusing as shit
-exports.chunkLines = function(args, thingToSplice, thingtoApply, isDocument) {
-    if (thingtoApply === undefined)
-        thingtoApply = thingToSplice;
-
-    var step = 100000;
-    var l = Math.ceil(args.length / step);
-    for (var targs, i = 0; i < l; i++) {
-        targs = args.slice(i * step, step);
-        if (isDocument) {
-            thingtoApply.push.apply(thingtoApply, targs);
-            thingToSplice.splice.apply(thingToSplice, thingtoApply);
-        }
-        else    
-            thingToSplice.slice.apply(thingtoApply, targs);
-    }
-    
-    return thingToSplice;
-};
-
 });

lib/ace/worker/worker.js

@@ -1,5 +1,5 @@
 "no use strict";
-var lang = require("../lib/lang");
+
 var console = {
     log: function(msg) {
         postMessage({type: "log", data: msg});
@@ -123,7 +123,7 @@ var sender;
 onmessage = function(e) {
     var msg = e.data;
     if (msg.command) {
-        main[msg.command] = lang.chunkLines(msg.args, main[msg.command], main);
+        main[msg.command].apply(main, msg.args);
     }
     else if (msg.init) {        
         initBaseUrls(msg.tlns);