New analyzer snapshot.

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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.html;
 
 import 'dart:collection';
@@ skipping 148 matching lines @@
     ASTNode node = new NodeLocator.con1(offset).searchWithin(expression);
     if (node != null) {
       Element element = ElementLocator.locate(node);
       return new XmlExpression_Reference(element, node.offset, node.length);
     }
     return null;
   }
 }
 
 /**
- * Instances of `HtmlParseResult` hold the result of parsing an HTML file.
- *
- * @coverage dart.engine.html
- */
-class HtmlParseResult extends HtmlScanResult {
-  /**
-   * The unit containing the parsed information (not `null`).
-   */
-  HtmlUnit _unit;
-
-  HtmlParseResult(int modificationTime, Token token, List<int> lineStarts, HtmlUnit unit) : super(modificationTime, token, lineStarts) {
-    this._unit = unit;
-  }
-
-  /**
-   * Answer the unit generated by parsing the source
-   *
-   * @return the unit (not `null`)
-   */
-  HtmlUnit get htmlUnit => _unit;
-}
-
-/**
  * Instances of the class `RecursiveXmlVisitor` implement an XML visitor that will recursively
  * visit all of the nodes in an XML structure. For example, using an instance of this class to visit
  * a [XmlTagNode] will also cause all of the contained [XmlAttributeNode]s and
  * [XmlTagNode]s to be visited.
  *
  * Subclasses that override a visit method must either invoke the overridden visit method or must
  * explicitly ask the visited node to visit its children. Failure to do so will cause the children
  * of the visited node to not be visited.
  *
  * @coverage dart.engine.html
@@ skipping 767 matching lines @@
       } else {
         // a non-char token
         emit3(TokenType.TEXT, start, 0);
         c = advance();
       }
     }
   }
 }
 
 /**
- * Instances of `HtmlScanResult` hold the result of scanning an HTML file.
- *
- * @coverage dart.engine.html
- */
-class HtmlScanResult {
-  /**
-   * The time at which the contents of the source were last set.
-   */
-  final int modificationTime;
-
-  /**
-   * The first token in the token stream (not `null`).
-   */
-  final Token token;
-
-  /**
-   * The line start information that was produced.
-   */
-  final List<int> lineStarts;
-
-  HtmlScanResult(this.modificationTime, this.token, this.lineStarts);
-}
-
-/**
  * Instances of the class `StringScanner` implement a scanner that reads from a string. The
  * scanning logic is in the superclass.
  *
  * @coverage dart.engine.html
  */
 class StringScanner extends AbstractScanner {
   /**
    * The string from which characters will be read.
    */
   String _string;
@@ skipping 346 matching lines @@
   int length = 0;
 
   XmlExpression_Reference(Element element, int offset, int length) {
     this.element = element;
     this.offset = offset;
     this.length = length;
   }
 }
 
 /**
- * Instances of `HtmlScanner` receive and scan HTML content from a [Source].<br/>
- * For example, the following code scans HTML source and returns the result:
- *
- * <pre>
- *   HtmlScanner scanner = new HtmlScanner(source);
- *   source.getContents(scanner);
- *   return scanner.getResult();
- * </pre>
- *
- * @coverage dart.engine.html
- */
-class HtmlScanner implements Source_ContentReceiver {
-  List<String> _SCRIPT_TAG = <String> ["script"];
-
-  /**
-   * The source being scanned (not `null`)
-   */
-  Source _source;
-
-  /**
-   * The time at which the contents of the source were last set.
-   */
-  int _modificationTime = 0;
-
-  /**
-   * The scanner used to scan the source
-   */
-  AbstractScanner _scanner;
-
-  /**
-   * The first token in the token stream.
-   */
-  Token _token;
-
-  /**
-   * Construct a new instance to scan the specified source.
-   *
-   * @param source the source to be scanned (not `null`)
-   */
-  HtmlScanner(Source source) {
-    this._source = source;
-  }
-
-  void accept(String contents, int modificationTime) {
-    this._modificationTime = modificationTime;
-    _scanner = new StringScanner(_source, contents);
-    _scanner.passThroughElements = _SCRIPT_TAG;
-    _token = _scanner.tokenize();
-  }
-
-  /**
-   * Answer the result of scanning the source
-   *
-   * @return the result (not `null`)
-   */
-  HtmlScanResult get result => new HtmlScanResult(_modificationTime, _token, _scanner.lineStarts);
-}
-
-/**
  * Instances of the class `XmlParser` are used to parse tokens into a AST structure comprised
  * of [XmlNode]s.
  *
  * @coverage dart.engine.html
  */
 class XmlParser {
   /**
    * The source being parsed.
    */
   final Source source;
@@ skipping 46 matching lines @@
 
   /**
    * Parse the entire token stream and in the process, advance the current token to the end of the
    * token stream.
    *
    * @return the list of tag nodes found (not `null`, contains no `null`)
    */
   List<XmlTagNode> parseTopTagNodes(Token firstToken) {
     _currentToken = firstToken;
     List<XmlTagNode> tagNodes = new List<XmlTagNode>();
-    while (true) {
-      while (true) {
-        if (_currentToken.type == TokenType.LT) {
-          tagNodes.add(parseTagNode());
-        } else if (_currentToken.type == TokenType.DECLARATION || _currentToken.type == TokenType.DIRECTIVE || _currentToken.type == TokenType.COMMENT) {
-          // ignored tokens
-          _currentToken = _currentToken.next;
-        } else if (_currentToken.type == TokenType.EOF) {
-          return tagNodes;
-        } else {
-          reportUnexpectedToken();
-          _currentToken = _currentToken.next;
-        }
-        break;
+    TokenType type = _currentToken.type;
+    while (type != TokenType.EOF) {
+      if (identical(type, TokenType.LT)) {
+        tagNodes.add(parseTagNode());
+      } else if (identical(type, TokenType.DECLARATION) || identical(type, TokenType.DIRECTIVE) || identical(type, TokenType.COMMENT)) {
+        // ignored tokens
+        _currentToken = _currentToken.next;
+      } else {
+        reportUnexpectedToken();
+        _currentToken = _currentToken.next;
       }
+      type = _currentToken.type;
     }
+    return tagNodes;
   }
 
   /**
    * Answer the current token.
    *
    * @return the current token
    */
   Token get currentToken => _currentToken;
 
   /**
@@ skipping 45 matching lines @@
    * next [TokenType#GT], [TokenType#SLASH_GT], or [TokenType#EOF].
    *
    * @return a collection of zero or more attributes (not `null`, contains no `null`s)
    */
   List<XmlAttributeNode> parseAttributes() {
     TokenType type = _currentToken.type;
     if (identical(type, TokenType.GT) || identical(type, TokenType.SLASH_GT) || identical(type, TokenType.EOF)) {
       return XmlTagNode.NO_ATTRIBUTES;
     }
     List<XmlAttributeNode> attributes = new List<XmlAttributeNode>();
-    while (true) {
-      while (true) {
-        if (_currentToken.type == TokenType.GT || _currentToken.type == TokenType.SLASH_GT || _currentToken.type == TokenType.EOF) {
-          return attributes;
-        } else if (_currentToken.type == TokenType.TAG) {
-          attributes.add(parseAttribute());
-        } else {
-          reportUnexpectedToken();
-          _currentToken = _currentToken.next;
-        }
-        break;
+    while (type != TokenType.GT && type != TokenType.SLASH_GT && type != TokenType.EOF) {
+      if (identical(type, TokenType.TAG)) {
+        attributes.add(parseAttribute());
+      } else {
+        reportUnexpectedToken();
+        _currentToken = _currentToken.next;
       }
+      type = _currentToken.type;
     }
+    return attributes;
   }
 
   /**
    * Parse the stream for a sequence of tag nodes existing within a parent tag node. This method
    * advances the current token to the next [TokenType#LT_SLASH] or [TokenType#EOF].
    *
    * @return a list of nodes (not `null`, contains no `null`s)
    */
   List<XmlTagNode> parseChildTagNodes() {
     TokenType type = _currentToken.type;
     if (identical(type, TokenType.LT_SLASH) || identical(type, TokenType.EOF)) {
       return XmlTagNode.NO_TAG_NODES;
     }
     List<XmlTagNode> nodes = new List<XmlTagNode>();
-    while (true) {
-      while (true) {
-        if (_currentToken.type == TokenType.LT) {
-          nodes.add(parseTagNode());
-        } else if (_currentToken.type == TokenType.LT_SLASH || _currentToken.type == TokenType.EOF) {
-          return nodes;
-        } else if (_currentToken.type == TokenType.COMMENT) {
-          // ignored token
-          _currentToken = _currentToken.next;
-        } else {
-          reportUnexpectedToken();
-          _currentToken = _currentToken.next;
-        }
-        break;
+    while (type != TokenType.LT_SLASH && type != TokenType.EOF) {
+      if (identical(type, TokenType.LT)) {
+        nodes.add(parseTagNode());
+      } else if (identical(type, TokenType.COMMENT)) {
+        // ignored token
+        _currentToken = _currentToken.next;
+      } else {
+        reportUnexpectedToken();
+        _currentToken = _currentToken.next;
       }
+      type = _currentToken.type;
     }
+    return nodes;
   }
 
   /**
    * Parse the token stream for the next tag node. This method advances current token over the
    * parsed tag node, but should only be called if the current token is [TokenType#LT]
    *
    * @return the tag node or `null` if none found
    */
   XmlTagNode parseTagNode() {
     // Assume that the current node is a tag node start TokenType#LT
@@ skipping 362 matching lines @@
    * Construct a parser for the specified source.
    *
    * @param source the source being parsed
    * @param errorListener the error listener to which errors will be reported
    */
   HtmlParser(Source source, AnalysisErrorListener errorListener) : super(source) {
     this._errorListener = errorListener;
   }
 
   /**
-   * Parse the tokens specified by the given scan result.
+   * Parse the given tokens.
    *
-   * @param scanResult the result of scanning an HTML source (not `null`)
+   * @param token the first token in the stream of tokens to be parsed
+   * @param lineInfo the line information created by the scanner
    * @return the parse result (not `null`)
    */
-  HtmlParseResult parse(HtmlScanResult scanResult) {
-    List<int> lineStarts = scanResult.lineStarts;
-    _lineInfo = new LineInfo(lineStarts);
-    Token firstToken = scanResult.token;
-    List<XmlTagNode> tagNodes = parseTopTagNodes(firstToken);
-    HtmlUnit unit = new HtmlUnit(firstToken, tagNodes, currentToken);
-    return new HtmlParseResult(scanResult.modificationTime, firstToken, scanResult.lineStarts, unit);
-  }
-
-  /**
-   * Scan then parse the specified source.
-   *
-   * @param source the source to be scanned and parsed (not `null`)
-   * @return the parse result (not `null`)
-   */
-  HtmlParseResult parse2(Source source) {
-    HtmlScanner scanner = new HtmlScanner(source);
-    source.getContents(scanner);
-    return parse(scanner.result);
+  HtmlUnit parse(Token token, LineInfo lineInfo) {
+    this._lineInfo = lineInfo;
+    List<XmlTagNode> tagNodes = parseTopTagNodes(token);
+    return new HtmlUnit(token, tagNodes, currentToken);
   }
 
   XmlAttributeNode createAttributeNode(Token name, Token equals, Token value) => new XmlAttributeNode(name, equals, value);
 
   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);
@@ skipping 93 matching lines @@
     }
     super.element = element;
   }
 
   void visitChildren(XmlVisitor visitor) {
     for (XmlTagNode node in _tagNodes) {
       node.accept(visitor);
     }
   }
 }