addon/comment/comment.js

@@ -30,7 +30,7 @@
     if (firstLine == null) return;
     var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);
     var pad = options.padding == null ? " " : options.padding;
-    var blankLines = options.commentBlankLines;
+    var blankLines = options.commentBlankLines || from.line == to.line;
 
     self.operation(function() {
       if (options.indent) {
@@ -90,14 +90,14 @@
 
     // Try finding line comments
     var lineString = options.lineComment || mode.lineComment, lines = [];
-    var pad = options.padding == null ? " " : options.padding;
-    lineComment: for(;;) {
-      if (!lineString) break;
+    var pad = options.padding == null ? " " : options.padding, didSomething;
+    lineComment: {
+      if (!lineString) break lineComment;
       for (var i = start; i <= end; ++i) {
         var line = self.getLine(i);
         var found = line.indexOf(lineString);
         if (found == -1 && (i != end || i == start) && nonWS.test(line)) break lineComment;
-        if (i != start && nonWS.test(line.slice(0, found))) break lineComment;
+        if (i != start && found > -1 && nonWS.test(line.slice(0, found))) break lineComment;
         lines.push(line);
       }
       self.operation(function() {
@@ -106,10 +106,11 @@
           var pos = line.indexOf(lineString), endPos = pos + lineString.length;
           if (pos < 0) continue;
           if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length;
+          didSomething = true;
           self.replaceRange("", Pos(i, pos), Pos(i, endPos));
         }
       });
-      return true;
+      if (didSomething) return true;
     }
 
     // Try block comments

addon/edit/closebrackets.js

@@ -1,23 +1,36 @@
 (function() {
   var DEFAULT_BRACKETS = "()[]{}''\"\"";
+  var DEFAULT_EXPLODE_ON_ENTER = "[]{}";
   var SPACE_CHAR_REGEX = /\s/;
 
   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
-    var wasOn = old && old != CodeMirror.Init;
-    if (val && !wasOn)
-      cm.addKeyMap(buildKeymap(typeof val == "string" ? val : DEFAULT_BRACKETS));
-    else if (!val && wasOn)
+    if (old != CodeMirror.Init && old)
       cm.removeKeyMap("autoCloseBrackets");
+    if (!val) return;
+    var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER;
+    if (typeof val == "string") pairs = val;
+    else if (typeof val == "object") {
+      if (val.pairs != null) pairs = val.pairs;
+      if (val.explode != null) explode = val.explode;
+    }
+    var map = buildKeymap(pairs);
+    if (explode) map.Enter = buildExplodeHandler(explode);
+    cm.addKeyMap(map);
   });
 
+  function charsAround(cm, pos) {
+    var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1),
+                          CodeMirror.Pos(pos.line, pos.ch + 1));
+    return str.length == 2 ? str : null;
+  }
+
   function buildKeymap(pairs) {
     var map = {
       name : "autoCloseBrackets",
       Backspace: function(cm) {
         if (cm.somethingSelected()) return CodeMirror.Pass;
-        var cur = cm.getCursor(), line = cm.getLine(cur.line);
-        if (cur.ch && cur.ch < line.length &&
-          pairs.indexOf(line.slice(cur.ch - 1, cur.ch + 1)) % 2 == 0)
+        var cur = cm.getCursor(), around = charsAround(cm, cur);
+        if (around && pairs.indexOf(around) % 2 == 0)
           cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));
         else
           return CodeMirror.Pass;
@@ -51,4 +64,17 @@
     })(pairs.charAt(i), pairs.charAt(i + 1));
     return map;
   }
+
+  function buildExplodeHandler(pairs) {
+    return function(cm) {
+      var cur = cm.getCursor(), around = charsAround(cm, cur);
+      if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+      cm.operation(function() {
+        var newPos = CodeMirror.Pos(cur.line + 1, 0);
+        cm.replaceSelection("\n\n", {anchor: newPos, head: newPos}, "+input");
+        cm.indentLine(cur.line + 1, null, true);
+        cm.indentLine(cur.line + 2, null, true);
+      });
+    };
+  }
 })();

addon/edit/matchbrackets.js

@@ -5,25 +5,26 @@
   var Pos = CodeMirror.Pos;
 
   var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
-  function findMatchingBracket(cm) {
-    var maxScanLen = cm.state._matchBrackets.maxScanLineLength || 10000;
+  function findMatchingBracket(cm, where, strict) {
+    var state = cm.state.matchBrackets;
+    var maxScanLen = (state && state.maxScanLineLength) || 10000;
 
-    var cur = cm.getCursor(), line = cm.getLineHandle(cur.line), pos = cur.ch - 1;
+    var cur = where || cm.getCursor(), line = cm.getLineHandle(cur.line), pos = cur.ch - 1;
     var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
     if (!match) return null;
     var forward = match.charAt(1) == ">", d = forward ? 1 : -1;
-    var style = cm.getTokenAt(Pos(cur.line, pos + 1)).type;
+    if (strict && forward != (pos == cur.ch)) return null;
+    var style = cm.getTokenTypeAt(Pos(cur.line, pos + 1));
 
     var stack = [line.text.charAt(pos)], re = /[(){}[\]]/;
     function scan(line, lineNo, start) {
       if (!line.text) return;
       var pos = forward ? 0 : line.text.length - 1, end = forward ? line.text.length : -1;
       if (line.text.length > maxScanLen) return null;
-      var checkTokenStyles = line.text.length < 1000;
       if (start != null) pos = start + d;
       for (; pos != end; pos += d) {
         var ch = line.text.charAt(pos);
-        if (re.test(ch) && (!checkTokenStyles || cm.getTokenAt(Pos(lineNo, pos + 1)).type == style)) {
+        if (re.test(ch) && cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style) {
           var match = matching[ch];
           if (match.charAt(1) == ">" == forward) stack.push(ch);
           else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false};
@@ -36,12 +37,13 @@
       else found = scan(cm.getLineHandle(i), i);
       if (found) break;
     }
-    return {from: Pos(cur.line, pos), to: found && Pos(i, found.pos), match: found && found.match};
+    return {from: Pos(cur.line, pos), to: found && Pos(i, found.pos),
+            match: found && found.match, forward: forward};
   }
 
   function matchBrackets(cm, autoclear) {
     // Disable brace matching in long lines, since it'll cause hugely slow updates
-    var maxHighlightLen = cm.state._matchBrackets.maxHighlightLineLength || 1000;
+    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
     var found = findMatchingBracket(cm);
     if (!found || cm.getLine(found.from.line).length > maxHighlightLen ||
        found.to && cm.getLine(found.to.line).length > maxHighlightLen)
@@ -72,11 +74,13 @@
     if (old && old != CodeMirror.Init)
       cm.off("cursorActivity", doMatchBrackets);
     if (val) {
-      cm.state._matchBrackets = typeof val == "object" ? val : {};
+      cm.state.matchBrackets = typeof val == "object" ? val : {};
       cm.on("cursorActivity", doMatchBrackets);
     }
   });
 
   CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
-  CodeMirror.defineExtension("findMatchingBracket", function(){return findMatchingBracket(this);});
+  CodeMirror.defineExtension("findMatchingBracket", function(pos, strict){
+    return findMatchingBracket(this, pos, strict);
+  });
 })();

addon/edit/trailingspace.js

@@ -0,0 +1,15 @@
+CodeMirror.defineOption("showTrailingSpace", false, function(cm, val, prev) {
+  if (prev == CodeMirror.Init) prev = false;
+  if (prev && !val)
+    cm.removeOverlay("trailingspace");
+  else if (!prev && val)
+    cm.addOverlay({
+      token: function(stream) {
+        for (var l = stream.string.length, i = l; i && /\s/.test(stream.string.charAt(i - 1)); --i) {}
+        if (i > stream.pos) { stream.pos = i; return null; }
+        stream.pos = l;
+        return "trailingspace";
+      },
+      name: "trailingspace"
+    });
+});

addon/fold/brace-fold.js

@@ -1,23 +1,33 @@
 CodeMirror.braceRangeFinder = function(cm, start) {
   var line = start.line, lineText = cm.getLine(line);
-  var at = lineText.length, startChar, tokenType;
-  for (; at > 0;) {
-    var found = lineText.lastIndexOf("{", at);
-    var startToken = '{', endToken = '}';
-    if (found < start.ch) {
-      found = lineText.lastIndexOf("[", at);
-      if (found < start.ch) break;
-      startToken = '['; endToken = ']';
+  var startCh, tokenType;
+
+  function findOpening(openCh) {
+    for (var at = start.ch, pass = 0;;) {
+      var found = lineText.lastIndexOf(openCh, at - 1);
+      if (found == -1) {
+        if (pass == 1) break;
+        pass = 1;
+        at = lineText.length;
+        continue;
+      }
+      if (pass == 1 && found < start.ch) break;
+      tokenType = cm.getTokenAt(CodeMirror.Pos(line, found + 1)).type;
+      if (!/^(comment|string)/.test(tokenType)) return found + 1;
+      at = found - 1;
     }
+  }
 
-    tokenType = cm.getTokenAt(CodeMirror.Pos(line, found + 1)).type;
-    if (!/^(comment|string)/.test(tokenType)) { startChar = found; break; }
-    at = found - 1;
+  var startToken = "{", endToken = "}", startCh = findOpening("{");
+  if (startCh == null) {
+    startToken = "[", endToken = "]";
+    startCh = findOpening("[");
   }
-  if (startChar == null || lineText.lastIndexOf(startToken) > startChar) return;
-  var count = 1, lastLine = cm.lineCount(), end, endCh;
-  outer: for (var i = line + 1; i < lastLine; ++i) {
-    var text = cm.getLine(i), pos = 0;
+
+  if (startCh == null) return;
+  var count = 1, lastLine = cm.lastLine(), end, endCh;
+  outer: for (var i = line; i <= lastLine; ++i) {
+    var text = cm.getLine(i), pos = i == line ? startCh : 0;
     for (;;) {
       var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
       if (nextOpen < 0) nextOpen = text.length;
@@ -31,7 +41,50 @@ CodeMirror.braceRangeFinder = function(cm, start) {
       ++pos;
     }
   }
-  if (end == null || end == line + 1) return;
-  return {from: CodeMirror.Pos(line, startChar + 1),
+  if (end == null || line == end && endCh == startCh) return;
+  return {from: CodeMirror.Pos(line, startCh),
           to: CodeMirror.Pos(end, endCh)};
 };
+
+CodeMirror.importRangeFinder = function(cm, start) {
+  function hasImport(line) {
+    if (line < cm.firstLine() || line > cm.lastLine()) return null;
+    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
+    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
+    if (start.type != "keyword" || start.string != "import") return null;
+    // Now find closing semicolon, return its position
+    for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
+      var text = cm.getLine(i), semi = text.indexOf(";");
+      if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
+    }
+  }
+
+  var start = start.line, has = hasImport(start), prev;
+  if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1))
+    return null;
+  for (var end = has.end;;) {
+    var next = hasImport(end.line + 1);
+    if (next == null) break;
+    end = next.end;
+  }
+  return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end};
+};
+
+CodeMirror.includeRangeFinder = function(cm, start) {
+  function hasInclude(line) {
+    if (line < cm.firstLine() || line > cm.lastLine()) return null;
+    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
+    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
+    if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
+  }
+
+  var start = start.line, has = hasInclude(start);
+  if (has == null || hasInclude(start - 1) != null) return null;
+  for (var end = start;;) {
+    var next = hasInclude(end + 1);
+    if (next == null) break;
+    ++end;
+  }
+  return {from: CodeMirror.Pos(start, has + 1),
+          to: cm.clipPos(CodeMirror.Pos(end))};
+};

addon/fold/foldcode.js

@@ -1,32 +1,68 @@
-CodeMirror.newFoldFunction = function(rangeFinder, widget) {
-  if (widget == null) widget = "\u2194";
-  if (typeof widget == "string") {
-    var text = document.createTextNode(widget);
-    widget = document.createElement("span");
-    widget.appendChild(text);
-    widget.className = "CodeMirror-foldmarker";
-  }
+(function() {
+  "use strict";
 
-  return function(cm, pos) {
+  function doFold(cm, pos, options) {
+    var finder = options.call ? options : (options && options.rangeFinder);
+    if (!finder) return;
     if (typeof pos == "number") pos = CodeMirror.Pos(pos, 0);
-    var range = rangeFinder(cm, pos);
-    if (!range) return;
-
-    var present = cm.findMarksAt(range.from), cleared = 0;
-    for (var i = 0; i < present.length; ++i) {
-      if (present[i].__isFold) {
-        ++cleared;
-        present[i].clear();
+    var minSize = options && options.minFoldSize || 0;
+
+    function getRange(allowFolded) {
+      var range = finder(cm, pos);
+      if (!range || range.to.line - range.from.line < minSize) return null;
+      var marks = cm.findMarksAt(range.from);
+      for (var i = 0; i < marks.length; ++i) {
+        if (marks[i].__isFold) {
+          if (!allowFolded) return null;
+          range.cleared = true;
+          marks[i].clear();
+        }
       }
+      return range;
+    }
+
+    var range = getRange(true);
+    if (options && options.scanUp) while (!range && pos.line > cm.firstLine()) {
+      pos = CodeMirror.Pos(pos.line - 1, 0);
+      range = getRange(false);
     }
-    if (cleared) return;
+    if (!range || range.cleared) return;
 
-    var myWidget = widget.cloneNode(true);
+    var myWidget = makeWidget(options);
     CodeMirror.on(myWidget, "mousedown", function() {myRange.clear();});
     var myRange = cm.markText(range.from, range.to, {
       replacedWith: myWidget,
       clearOnEnter: true,
       __isFold: true
     });
+  }
+
+  function makeWidget(options) {
+    var widget = (options && options.widget) || "\u2194";
+    if (typeof widget == "string") {
+      var text = document.createTextNode(widget);
+      widget = document.createElement("span");
+      widget.appendChild(text);
+      widget.className = "CodeMirror-foldmarker";
+    }
+    return widget;
+  }
+
+  // Clumsy backwards-compatible interface
+  CodeMirror.newFoldFunction = function(rangeFinder, widget) {
+    return function(cm, pos) { doFold(cm, pos, {rangeFinder: rangeFinder, widget: widget}); };
+  };
+
+  // New-style interface
+  CodeMirror.defineExtension("foldCode", function(pos, options) { doFold(this, pos, options); });
+
+  CodeMirror.combineRangeFinders = function() {
+    var funcs = Array.prototype.slice.call(arguments, 0);
+    return function(cm, start) {
+      for (var i = 0; i < funcs.length; ++i) {
+        var found = funcs[i](cm, start);
+        if (found) return found;
+      }
+    };
   };
-};
+})();