Revert of DevTools: Roll CodeMirror to 5.25.1

third_party/WebKit/Source/devtools/front_end/cm/closebrackets.js

 // CodeMirror, copyright (c) by Marijn Haverbeke and others
 // Distributed under an MIT license: http://codemirror.net/LICENSE
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
     mod(require("../../lib/codemirror"));
   else if (typeof define == "function" && define.amd) // AMD
     define(["../../lib/codemirror"], mod);
   else // Plain browser env
     mod(CodeMirror);
@@ skipping 27 matching lines @@
   var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
   for (var i = 0; i < bind.length; i++)
     keyMap["'" + bind.charAt(i) + "'"] = handler(bind.charAt(i));
 
   function handler(ch) {
     return function(cm) { return handleChar(cm, ch); };
   }
 
   function getConfig(cm) {
     var deflt = cm.state.closeBrackets;
-    if (!deflt || deflt.override) return deflt;
+    if (!deflt) return null;
     var mode = cm.getModeAt(cm.getCursor());
     return mode.closeBrackets || deflt;
   }
 
   function handleBackspace(cm) {
     var conf = getConfig(cm);
     if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
 
     var pairs = getOption(conf, "pairs");
     var ranges = cm.listSelections();
@@ skipping 50 matching lines @@
     var ranges = cm.listSelections();
     var opening = pos % 2 == 0;
 
     var type;
     for (var i = 0; i < ranges.length; i++) {
       var range = ranges[i], cur = range.head, curType;
       var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
       if (opening && !range.empty()) {
         curType = "surround";
       } else if ((identical || !opening) && next == ch) {
-        if (identical && stringStartsAfter(cm, cur))
-          curType = "both";
-        else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
+        if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
           curType = "skipThree";
         else
           curType = "skip";
       } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
                  cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch &&
                  (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != ch)) {
         curType = "addFour";
       } else if (identical) {
         if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, ch)) curType = "both";
         else return CodeMirror.Pass;
@@ skipping 46 matching lines @@
                           Pos(pos.line, pos.ch + 1));
     return str.length == 2 ? str : null;
   }
 
   // Project the token type that will exists after the given char is
   // typed, and use it to determine whether it would cause the start
   // of a string token.
   function enteringString(cm, pos, ch) {
     var line = cm.getLine(pos.line);
     var token = cm.getTokenAt(pos);
-    if (/\bstring2?\b/.test(token.type) || stringStartsAfter(cm, pos)) return false;
+    if (/\bstring2?\b/.test(token.type)) return false;
     var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4);
     stream.pos = stream.start = token.start;
     for (;;) {
       var type1 = cm.getMode().token(stream, token.state);
       if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1);
       stream.start = stream.pos;
     }
   }
-
-  function stringStartsAfter(cm, pos) {
-    var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
-    return /\bstring/.test(token.type) && token.start == pos.ch
-  }
-});
+});