Add support for assert statements with messages to the analyzer.

pkg/analyzer/lib/src/generated/html.dart

 // Copyright (c) 2014, 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 engine.html;
 
 import 'dart:collection';
 
 import 'ast.dart';
 import 'element.dart';
@@ skipping 383 matching lines @@
    * listener to which errors will be reported.  [_options] is the analysis
    * options which should be used for parsing.
    */
   HtmlParser(Source source, this._errorListener, this._options) : super(source);
 
   @override
   XmlAttributeNode createAttributeNode(Token name, Token equals, Token value) =>
       new XmlAttributeNode(name, equals, value);
 
   @override
-  XmlTagNode createTagNode(Token nodeStart, Token tag,
-      List<XmlAttributeNode> attributes, Token attributeEnd,
-      List<XmlTagNode> tagNodes, Token contentEnd, Token closingTag,
+  XmlTagNode createTagNode(
+      Token nodeStart,
+      Token tag,
+      List<XmlAttributeNode> attributes,
+      Token attributeEnd,
+      List<XmlTagNode> tagNodes,
+      Token contentEnd,
+      Token closingTag,
       Token nodeEnd) {
     if (_isScriptNode(tag, attributes, tagNodes)) {
       HtmlScriptTagNode tagNode = new HtmlScriptTagNode(nodeStart, tag,
           attributes, attributeEnd, tagNodes, contentEnd, closingTag, nodeEnd);
       String contents = tagNode.content;
       int contentOffset = attributeEnd.end;
       LineInfo_Location location = _lineInfo.getLocation(contentOffset);
       sc.Scanner scanner = new sc.Scanner(source,
           new sc.SubSequenceReader(contents, contentOffset), _errorListener);
       scanner.setSourceStart(location.lineNumber, location.columnNumber);
       sc.Token firstToken = scanner.tokenize();
-      Parser parser = new Parser(source, _errorListener);
+      Parser parser = new Parser(source, _errorListener,
+          enableAssertMessage: _options.enableAssertMessage);
       CompilationUnit unit = parser.parseCompilationUnit(firstToken);
       unit.lineInfo = _lineInfo;
       tagNode.script = unit;
       return tagNode;
     }
     return new XmlTagNode(nodeStart, tag, attributes, attributeEnd, tagNodes,
         contentEnd, closingTag, nodeEnd);
   }
 
   @override
@@ skipping 93 matching lines @@
    *
    * @param nodeStart the token marking the beginning of the tag
    * @param tag the name of the tag
    * @param attributes the attributes in the tag
    * @param attributeEnd the token terminating the region where attributes can be
    * @param tagNodes the children of the tag
    * @param contentEnd the token that starts the closing tag
    * @param closingTag the name of the tag that occurs in the closing tag
    * @param nodeEnd the last token in the tag
    */
-  HtmlScriptTagNode(Token nodeStart, Token tag,
-      List<XmlAttributeNode> attributes, Token attributeEnd,
-      List<XmlTagNode> tagNodes, Token contentEnd, Token closingTag,
+  HtmlScriptTagNode(
+      Token nodeStart,
+      Token tag,
+      List<XmlAttributeNode> attributes,
+      Token attributeEnd,
+      List<XmlTagNode> tagNodes,
+      Token contentEnd,
+      Token closingTag,
       Token nodeEnd)
       : super(nodeStart, tag, attributes, attributeEnd, tagNodes, contentEnd,
-          closingTag, nodeEnd);
+            closingTag, nodeEnd);
 
   /**
    * Return the AST structure representing the Dart code within this tag, or `null` if this
    * tag references an external script.
    *
    * @return the AST structure representing the Dart code within this tag
    */
   CompilationUnit get script => _script;
 
   /**
@@ skipping 866 matching lines @@
    * @param nodeStart the token marking the beginning of the tag
    * @param tag the name of the tag
    * @param attributes the attributes in the tag
    * @param attributeEnd the token terminating the region where attributes can be
    * @param tagNodes the children of the tag
    * @param contentEnd the token that starts the closing tag
    * @param closingTag the name of the tag that occurs in the closing tag
    * @param nodeEnd the last token in the tag
    * @return the node that was created
    */
-  XmlTagNode createTagNode(Token nodeStart, Token tag,
-      List<XmlAttributeNode> attributes, Token attributeEnd,
-      List<XmlTagNode> tagNodes, Token contentEnd, Token closingTag,
-      Token nodeEnd) => new XmlTagNode(nodeStart, tag, attributes, attributeEnd,
-      tagNodes, contentEnd, closingTag, nodeEnd);
+  XmlTagNode createTagNode(
+          Token nodeStart,
+          Token tag,
+          List<XmlAttributeNode> attributes,
+          Token attributeEnd,
+          List<XmlTagNode> tagNodes,
+          Token contentEnd,
+          Token closingTag,
+          Token nodeEnd) =>
+      new XmlTagNode(nodeStart, tag, attributes, attributeEnd, tagNodes,
+          contentEnd, closingTag, nodeEnd);
 
   /**
    * Answer `true` if the specified tag is self closing and thus should never have content or
    * child tag nodes.
    *
    * @param tag the tag (not `null`)
    * @return `true` if self closing
    */
   bool isSelfClosing(Token tag) => false;
 
@@ skipping 290 matching lines @@
    *          * (2) the [TokenType.LT] nodeStart of the next sibling node if this node is
    *          self closing or the attributeEnd is [TokenType.SLASH_GT], or
    *          * (3) [TokenType.EOF] if the node does not have a closing tag and is the last
    *          node in the stream [TokenType.LT_SLASH] token after the content, or `null`
    *          if there is no content and the attributes ended with [TokenType.SLASH_GT].
    * @param closingTag the closing [TokenType.TAG] after the child elements or `null` if
    *          there is no content and the attributes ended with [TokenType.SLASH_GT]
    * @param nodeEnd the ending [TokenType.GT] or [TokenType.SLASH_GT] token (not
    *          `null`)
    */
-  XmlTagNode(this.nodeStart, this._tag, List<XmlAttributeNode> attributes,
-      this.attributeEnd, List<XmlTagNode> tagNodes, this.contentEnd,
-      this.closingTag, this.nodeEnd) {
+  XmlTagNode(
+      this.nodeStart,
+      this._tag,
+      List<XmlAttributeNode> attributes,
+      this.attributeEnd,
+      List<XmlTagNode> tagNodes,
+      this.contentEnd,
+      this.closingTag,
+      this.nodeEnd) {
     this._attributes = becomeParentOfAll(attributes, ifEmpty: NO_ATTRIBUTES);
     this._tagNodes = becomeParentOfAll(tagNodes, ifEmpty: NO_TAG_NODES);
   }
 
   /**
    * Answer the receiver's attributes. Callers should not manipulate the returned list to edit the
    * AST structure.
    *
    * @return the attributes (not `null`, contains no `null`s)
    */
@@ skipping 122 matching lines @@
  */
 abstract class XmlVisitor<R> {
   R visitHtmlScriptTagNode(HtmlScriptTagNode node);
 
   R visitHtmlUnit(HtmlUnit htmlUnit);
 
   R visitXmlAttributeNode(XmlAttributeNode xmlAttributeNode);
 
   R visitXmlTagNode(XmlTagNode xmlTagNode);
 }