Update charted to 0.4.8 and roll

packages/csslib/lib/visitor.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library csslib.visitor;
 
 import 'package:source_span/source_span.dart';
 import 'parser.dart';
 
 part 'src/css_printer.dart';
 part 'src/tree.dart';
 part 'src/tree_base.dart';
 part 'src/tree_printer.dart';
 
 abstract class VisitorBase {
   visitCalcTerm(CalcTerm node);
   visitCssComment(CssComment node);
   visitCommentDefinition(CommentDefinition node);
   visitStyleSheet(StyleSheet node);
   visitNoOp(NoOp node);
   visitTopLevelProduction(TopLevelProduction node);
   visitDirective(Directive node);
+  visitDocumentDirective(DocumentDirective node);
+  visitSupportsDirective(SupportsDirective node);
+  visitSupportsConditionInParens(SupportsConditionInParens node);
+  visitSupportsNegation(SupportsNegation node);
+  visitSupportsConjunction(SupportsConjunction node);
+  visitSupportsDisjunction(SupportsDisjunction node);
+  visitViewportDirective(ViewportDirective node);
   visitMediaExpression(MediaExpression node);
   visitMediaQuery(MediaQuery node);
   visitMediaDirective(MediaDirective node);
   visitHostDirective(HostDirective node);
   visitPageDirective(PageDirective node);
   visitCharsetDirective(CharsetDirective node);
   visitImportDirective(ImportDirective node);
   visitKeyFrameDirective(KeyFrameDirective node);
   visitKeyFrameBlock(KeyFrameBlock node);
   visitFontFaceDirective(FontFaceDirective node);
@@ skipping 112 matching lines @@
   visitMediaExpression(MediaExpression node) {
     visitExpressions(node.exprs);
   }
 
   visitMediaQuery(MediaQuery node) {
     for (var mediaExpr in node.expressions) {
       visitMediaExpression(mediaExpr);
     }
   }
 
+  visitDocumentDirective(DocumentDirective node) {
+    _visitNodeList(node.functions);
+    _visitNodeList(node.groupRuleBody);
+  }
+
+  visitSupportsDirective(SupportsDirective node) {
+    node.condition.visit(this);
+    _visitNodeList(node.groupRuleBody);
+  }
+
+  visitSupportsConditionInParens(SupportsConditionInParens node) {
+    node.condition.visit(this);
+  }
+
+  visitSupportsNegation(SupportsNegation node) {
+    node.condition.visit(this);
+  }
+
+  visitSupportsConjunction(SupportsConjunction node) {
+    _visitNodeList(node.conditions);
+  }
+
+  visitSupportsDisjunction(SupportsDisjunction node) {
+    _visitNodeList(node.conditions);
+  }
+
+  visitViewportDirective(ViewportDirective node) {
+    node.declarations.visit(this);
+  }
+
   visitMediaDirective(MediaDirective node) {
     for (var mediaQuery in node.mediaQueries) {
       visitMediaQuery(mediaQuery);
     }
     for (var ruleset in node.rulesets) {
       visitRuleSet(ruleset);
     }
   }
 
   visitHostDirective(HostDirective node) {
@@ skipping 130 matching lines @@
 
   visitPseudoElementSelector(PseudoElementSelector node) =>
       visitSimpleSelector(node);
 
   visitPseudoClassFunctionSelector(PseudoClassFunctionSelector node) =>
       visitSimpleSelector(node);
 
   visitPseudoElementFunctionSelector(PseudoElementFunctionSelector node) =>
       visitSimpleSelector(node);
 
-  visitNegationSelector(NegationSelector node) =>
-      visitSimpleSelector(node);
+  visitNegationSelector(NegationSelector node) => visitSimpleSelector(node);
 
   visitSelectorExpression(SelectorExpression node) {
     _visitNodeList(node.expressions);
   }
 
   visitUnicodeRangeTerm(UnicodeRangeTerm node) {}
 
   visitLiteralTerm(LiteralTerm node) {}
 
   visitHexColorTerm(HexColorTerm node) {}
@@ skipping 135 matching lines @@
   visitPaddingExpression(PaddingExpression node) {
     // TODO(terry): TBD
     throw new UnimplementedError();
   }
 
   visitWidthExpression(WidthExpression node) {
     // TODO(terry): TBD
     throw new UnimplementedError();
   }
 }