dart2js: run dartfmt on tests

tests/compiler/dart2js/sourcemaps/sourcemap_html_helper.dart

 // Copyright (c) 2015, 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.
 
 /// Helper for creating HTML visualization of the source map information
 /// generated by a [SourceMapProcessor].
 
 library sourcemap.html.helper;
 
 import 'dart:convert';
@@ skipping 36 matching lines @@
   /// Use gradient on spans to visually identify consecutive spans mapped to the
   /// same source location.
   HSV startColor = toColor(index);
   HSV endColor = new HSV(startColor.h, startColor.s + 0.4, startColor.v - 0.2);
   return 'linear-gradient(to right, ${startColor.toCss}, ${endColor.toCss})';
 }
 
 /// Return the html for the [index] line number. If [width] is provided, shorter
 /// line numbers will be prefixed with spaces to match the width.
 String lineNumber(int index,
-                  {int width,
-                   bool useNbsp: false,
-                   String className}) {
+    {int width, bool useNbsp: false, String className}) {
   if (className == null) {
     className = 'lineNumber';
   }
   String text = '${index + 1}';
   String padding = useNbsp ? ' ' : ' ';
   if (width != null && text.length < width) {
     text = (padding * (width - text.length)) + text;
   }
   return '<span class="$className">$text$padding</span>';
 }
 
 /// Return the html escaped [text].
 String escape(String text) {
   return const HtmlEscape().convert(text);
 }
 
 /// Information needed to generate HTML for a single [SourceMapInfo].
 class SourceMapHtmlInfo {
   final SourceMapInfo sourceMapInfo;
   final CodeProcessor codeProcessor;
   final SourceLocationCollection sourceLocationCollection;
 
-  SourceMapHtmlInfo(this.sourceMapInfo,
-                    this.codeProcessor,
-                    this.sourceLocationCollection);
+  SourceMapHtmlInfo(
+      this.sourceMapInfo, this.codeProcessor, this.sourceLocationCollection);
 
   String toString() {
     return sourceMapInfo.toString();
   }
 }
 
 /// A collection of source locations.
 ///
 /// Used to index source locations for visualization and linking.
 class SourceLocationCollection {
@@ skipping 24 matching lines @@
   bool get showLocationAsSpan;
 }
 
 class CustomColorScheme implements CssColorScheme {
   final bool showLocationAsSpan;
   final Function single;
   final Function multi;
 
   CustomColorScheme(
       {this.showLocationAsSpan: false,
-       String this.single(var id),
-       String this.multi(List ids)});
+      String this.single(var id),
+      String this.multi(List ids)});
 
   String singleLocationToCssColor(var id) => single != null ? single(id) : null;
 
   String multiLocationToCssColor(List ids) => multi != null ? multi(ids) : null;
 }
 
 class PatternCssColorScheme implements CssColorScheme {
   const PatternCssColorScheme();
 
   bool get showLocationAsSpan => true;
 
   String singleLocationToCssColor(int index) {
     return "background:${toPattern(index)};";
   }
 
   String multiLocationToCssColor(List<int> indices) {
-
     StringBuffer sb = new StringBuffer();
     double delta = 100.0 / (indices.length);
     double position = 0.0;
 
     void addColor(String color) {
       sb.write(', ${color} ${position.toInt()}%');
       position += delta;
       sb.write(', ${color} ${position.toInt()}%');
     }
 
     for (int index in indices) {
       addColor('${toColorCss(index)}');
     }
     return 'background: linear-gradient(to right${sb}); '
-           'background-size: 10px 10px;';
+        'background-size: 10px 10px;';
   }
 }
 
 class SingleColorScheme implements CssColorScheme {
   const SingleColorScheme();
 
   bool get showLocationAsSpan => false;
 
   String singleLocationToCssColor(int index) {
     return "background:${toColorCss(index)};";
   }
 
   String multiLocationToCssColor(List<int> indices) {
     StringBuffer sb = new StringBuffer();
     double delta = 100.0 / (indices.length);
     double position = 0.0;
 
     void addColor(String color) {
       sb.write(', ${color} ${position.toInt()}%');
       position += delta;
       sb.write(', ${color} ${position.toInt()}%');
     }
 
     for (int index in indices) {
       addColor('${toColorCss(index)}');
     }
     return 'background: linear-gradient(to bottom${sb}); '
-           'background-size: 10px 3px;';
+        'background-size: 10px 3px;';
   }
 }
 
 /// Processor that computes the HTML representation of a block of JavaScript
 /// code and collects the source locations mapped in the code.
 class CodeProcessor {
   int lineIndex = 0;
   final String name;
   int currentJsSourceOffset = 0;
   final SourceLocationCollection collection;
   final Map<int, List<SourceLocation>> codeLocations = {};
   final CssColorScheme colorScheme;
 
   CodeProcessor(this.name, this.collection,
       {this.colorScheme: const PatternCssColorScheme()});
 
   void addSourceLocation(int targetOffset, SourceLocation sourceLocation) {
     codeLocations.putIfAbsent(targetOffset, () => []).add(sourceLocation);
     collection.registerSourceLocation(sourceLocation);
   }
 
   String convertToHtml(String text) {
     List<Annotation> annotations = <Annotation>[];
     codeLocations.forEach((int codeOffset, List<SourceLocation> locations) {
       for (SourceLocation location in locations) {
         if (location != null) {
           annotations.add(new Annotation(
-              collection.getIndex(location),
-              codeOffset,
-              location.shortText));
+              collection.getIndex(location), codeOffset, location.shortText));
         }
       }
     });
-    return convertAnnotatedCodeToHtml(
-        text, annotations, colorScheme: colorScheme,
+    return convertAnnotatedCodeToHtml(text, annotations,
+        colorScheme: colorScheme,
         elementScheme: new HighlightLinkScheme(name),
         windowSize: 3);
   }
 }
 
 class ElementScheme {
   const ElementScheme();
 
   String getName(var id, Set ids) => null;
   String getHref(var id, Set ids) => null;
@@ skipping 27 matching lines @@
     String onmouseover = indices.map((i) => '\'$i\'').join(',');
     return "highlight([${onmouseover}]);";
   }
 
   @override
   String onMouseOver(int id, Set<int> indices) {
     return "highlight([]);";
   }
 }
 
-String convertAnnotatedCodeToHtml(
-    String code,
-    Iterable<Annotation> annotations,
+String convertAnnotatedCodeToHtml(String code, Iterable<Annotation> annotations,
     {CssColorScheme colorScheme: const SingleColorScheme(),
-     ElementScheme elementScheme: const ElementScheme(),
-     int windowSize}) {
+    ElementScheme elementScheme: const ElementScheme(),
+    int windowSize}) {
   StringBuffer htmlBuffer = new StringBuffer();
-  List<CodeLine> lines = convertAnnotatedCodeToCodeLines(
-      code, annotations,
+  List<CodeLine> lines = convertAnnotatedCodeToCodeLines(code, annotations,
       windowSize: windowSize);
   int lineNoWidth;
   if (lines.isNotEmpty) {
     lineNoWidth = '${lines.last.lineNo + 1}'.length;
   }
   HtmlPrintContext context = new HtmlPrintContext(
       lineNoWidth: lineNoWidth,
       getAnnotationData: createAnnotationDataFunction(
-          colorScheme: colorScheme,
-          elementScheme: elementScheme));
+          colorScheme: colorScheme, elementScheme: elementScheme));
   for (CodeLine line in lines) {
     line.printHtmlOn(htmlBuffer, context);
   }
   return htmlBuffer.toString();
 }
 
 List<CodeLine> convertAnnotatedCodeToCodeLines(
-    String code,
-    Iterable<Annotation> annotations,
-    {int startLine,
-     int endLine,
-     int windowSize,
-     Uri uri}) {
-
+    String code, Iterable<Annotation> annotations,
+    {int startLine, int endLine, int windowSize, Uri uri}) {
   List<CodeLine> lines = <CodeLine>[];
   CodeLine currentLine;
   final List<Annotation> currentAnnotations = <Annotation>[];
   int offset = 0;
   int lineIndex = 0;
   int firstLine;
   int lastLine;
 
   void addCode(String code) {
     if (currentLine != null) {
       currentLine.codeBuffer.write(code);
-      currentLine.codeParts.add(
-          new CodePart(currentAnnotations.toList(), code));
+      currentLine.codeParts
+          .add(new CodePart(currentAnnotations.toList(), code));
       currentAnnotations.clear();
     }
   }
 
   void addAnnotations(List<Annotation> annotations) {
     currentAnnotations.addAll(annotations);
     currentLine.annotations.addAll(annotations);
   }
 
   void beginLine(int currentOffset) {
-    lines.add(currentLine =
-        new CodeLine(lines.length, currentOffset, uri: uri));
+    lines
+        .add(currentLine = new CodeLine(lines.length, currentOffset, uri: uri));
   }
 
   void endCurrentLocation() {
     if (currentAnnotations.isNotEmpty) {
       addCode('');
     }
   }
 
   void addSubstring(int until, {bool isFirst: false, bool isLast: false}) {
     if (until <= offset) return;
@@ skipping 28 matching lines @@
   void insertAnnotations(List<Annotation> annotations) {
     endCurrentLocation();
     addAnnotations(annotations);
     if (annotations.last == null) {
       endCurrentLocation();
     }
   }
 
   Map<int, List<Annotation>> annotationMap = <int, List<Annotation>>{};
   for (Annotation annotation in annotations) {
-    annotationMap.putIfAbsent(annotation.codeOffset, () => <Annotation>[])
-                 .add(annotation);
+    annotationMap
+        .putIfAbsent(annotation.codeOffset, () => <Annotation>[])
+        .add(annotation);
   }
 
   bool first = true;
   for (int codeOffset in annotationMap.keys.toList()..sort()) {
     List<Annotation> annotationList = annotationMap[codeOffset];
     addSubstring(codeOffset, isFirst: first);
     insertAnnotations(annotationList);
     first = false;
   }
 
   addSubstring(code.length, isFirst: first, isLast: true);
   endCurrentLocation();
 
   int start = startLine ?? 0;
   int end = endLine ?? lines.length - 1;
   if (windowSize != null) {
     start = Math.max(firstLine - windowSize, start);
     end = Math.min(lastLine + windowSize, end);
   }
   return lines.sublist(start, end);
 }
 
 /// Computes the HTML representation for a collection of JavaScript code blocks.
 String computeJsHtml(Iterable<SourceMapHtmlInfo> infoList) {
-
   StringBuffer jsCodeBuffer = new StringBuffer();
   for (SourceMapHtmlInfo info in infoList) {
     String name = info.sourceMapInfo.name;
     String html = info.codeProcessor.convertToHtml(info.sourceMapInfo.code);
     String onclick = 'show(\'$name\');';
-    jsCodeBuffer.write(
-        '<h3 onclick="$onclick">JS code for: ${escape(name)}</h3>\n');
+    jsCodeBuffer
+        .write('<h3 onclick="$onclick">JS code for: ${escape(name)}</h3>\n');
     jsCodeBuffer.write('''
 <pre>
 $html
 </pre>
 ''');
   }
   return jsCodeBuffer.toString();
 }
 
 /// Computes the HTML representation of the source mapping information for a
 /// collection of JavaScript code blocks.
 String computeJsTraceHtml(Iterable<SourceMapHtmlInfo> infoList) {
   StringBuffer jsTraceBuffer = new StringBuffer();
   for (SourceMapHtmlInfo info in infoList) {
     String name = info.sourceMapInfo.name;
     String jsTrace = computeJsTraceHtmlPart(
         info.sourceMapInfo.codePoints, info.sourceLocationCollection);
     jsTraceBuffer.write('''
 <div name="$name" class="js-trace-buffer" style="display:none;">
 <h3>Trace for: ${escape(name)}</h3>
 $jsTrace
 </div>
 ''');
   }
   return jsTraceBuffer.toString();
 }
 
 /// Computes the HTML information for the [info].
-SourceMapHtmlInfo createHtmlInfo(SourceLocationCollection collection,
-                                 SourceMapInfo info) {
+SourceMapHtmlInfo createHtmlInfo(
+    SourceLocationCollection collection, SourceMapInfo info) {
   js.Node node = info.node;
   String code = info.code;
   String name = info.name;
   SourceLocationCollection subcollection =
       new SourceLocationCollection(collection);
   CodeProcessor codeProcessor = new CodeProcessor(name, subcollection);
   for (js.Node node in info.nodeMap.nodes) {
-    info.nodeMap[node].forEach(
-        (int targetOffset, List<SourceLocation> sourceLocations) {
+    info.nodeMap[node]
+        .forEach((int targetOffset, List<SourceLocation> sourceLocations) {
       for (SourceLocation sourceLocation in sourceLocations) {
         codeProcessor.addSourceLocation(targetOffset, sourceLocation);
       }
     });
   }
   return new SourceMapHtmlInfo(info, codeProcessor, subcollection);
 }
 
 /// Outputs a HTML file in [jsMapHtmlUri] containing an interactive
 /// visualization of the source mapping information in [infoList] computed
 /// with the [sourceMapProcessor].
 void createTraceSourceMapHtml(Uri jsMapHtmlUri,
-                              SourceMapProcessor sourceMapProcessor,
-                              Iterable<SourceMapInfo> infoList) {
+    SourceMapProcessor sourceMapProcessor, Iterable<SourceMapInfo> infoList) {
   SourceFileManager sourceFileManager = sourceMapProcessor.sourceFileManager;
   SourceLocationCollection collection = new SourceLocationCollection();
   List<SourceMapHtmlInfo> htmlInfoList = <SourceMapHtmlInfo>[];
   for (SourceMapInfo info in infoList) {
     htmlInfoList.add(createHtmlInfo(collection, info));
   }
 
   String jsCode = computeJsHtml(htmlInfoList);
   String dartCode = computeDartHtml(sourceFileManager, htmlInfoList);
 
   String jsTraceHtml = computeJsTraceHtml(htmlInfoList);
   outputJsDartTrace(jsMapHtmlUri, jsCode, dartCode, jsTraceHtml);
   print('Trace source map html generated: $jsMapHtmlUri');
 }
 
 /// Computes the HTML representation for the Dart code snippets referenced in
 /// [infoList].
 String computeDartHtml(
-    SourceFileManager sourceFileManager,
-    Iterable<SourceMapHtmlInfo> infoList) {
-
+    SourceFileManager sourceFileManager, Iterable<SourceMapHtmlInfo> infoList) {
   StringBuffer dartCodeBuffer = new StringBuffer();
   for (SourceMapHtmlInfo info in infoList) {
     dartCodeBuffer.write(computeDartHtmlPart(info.sourceMapInfo.name,
-         sourceFileManager, info.sourceLocationCollection));
+        sourceFileManager, info.sourceLocationCollection));
   }
   return dartCodeBuffer.toString();
-
 }
 
 /// Computes the HTML representation for the Dart code snippets in [collection].
-String computeDartHtmlPart(String name,
-                           SourceFileManager sourceFileManager,
-                           SourceLocationCollection collection,
-                           {bool showAsBlock: false}) {
+String computeDartHtmlPart(String name, SourceFileManager sourceFileManager,
+    SourceLocationCollection collection,
+    {bool showAsBlock: false}) {
   const int windowSize = 3;
   StringBuffer dartCodeBuffer = new StringBuffer();
   Map<Uri, Map<int, List<SourceLocation>>> sourceLocationMap = {};
   collection.sourceLocations.forEach((SourceLocation sourceLocation) {
     Map<int, List<SourceLocation>> uriMap =
         sourceLocationMap.putIfAbsent(sourceLocation.sourceUri, () => {});
     List<SourceLocation> lineList =
         uriMap.putIfAbsent(sourceLocation.line, () => []);
     lineList.add(sourceLocation);
   });
   sourceLocationMap.forEach((Uri uri, Map<int, List<SourceLocation>> uriMap) {
     SourceFile sourceFile = sourceFileManager.getSourceFile(uri);
     if (sourceFile == null) return;
     StringBuffer codeBuffer = new StringBuffer();
 
     int firstLineIndex;
     int lastLineIndex;
     List<int> lineIndices = uriMap.keys.toList()..sort();
     int lineNoWidth;
     if (lineIndices.isNotEmpty) {
       lineNoWidth = '${lineIndices.last + windowSize + 1}'.length;
     }
 
     void flush() {
       if (firstLineIndex != null && lastLineIndex != null) {
-        dartCodeBuffer.write(
-            '<h4>${uri.pathSegments.last}, '
+        dartCodeBuffer.write('<h4>${uri.pathSegments.last}, '
             '${firstLineIndex - windowSize + 1}-'
             '${lastLineIndex + windowSize + 1}'
             '</h4>\n');
         dartCodeBuffer.write('<pre>\n');
         for (int line = firstLineIndex - windowSize;
-             line < firstLineIndex;
-             line++) {
+            line < firstLineIndex;
+            line++) {
           if (line >= 0) {
             dartCodeBuffer.write(lineNumber(line, width: lineNoWidth));
             dartCodeBuffer.write(sourceFile.getLineText(line));
           }
         }
         dartCodeBuffer.write(codeBuffer);
         for (int line = lastLineIndex + 1;
-             line <= lastLineIndex + windowSize;
-             line++) {
+            line <= lastLineIndex + windowSize;
+            line++) {
           if (line < sourceFile.lines) {
             dartCodeBuffer.write(lineNumber(line, width: lineNoWidth));
             dartCodeBuffer.write(sourceFile.getLineText(line));
           }
         }
         dartCodeBuffer.write('</pre>\n');
         firstLineIndex = null;
         lastLineIndex = null;
       }
       codeBuffer.clear();
     }
 
     lineIndices.forEach((int lineIndex) {
       List<SourceLocation> locations = uriMap[lineIndex];
-      if (lastLineIndex != null &&
-          lastLineIndex + windowSize * 4 < lineIndex) {
+      if (lastLineIndex != null && lastLineIndex + windowSize * 4 < lineIndex) {
         flush();
       }
       if (firstLineIndex == null) {
         firstLineIndex = lineIndex;
       } else {
         for (int line = lastLineIndex + 1; line < lineIndex; line++) {
           codeBuffer.write(lineNumber(line, width: lineNoWidth));
           codeBuffer.write(sourceFile.getLineText(line));
         }
       }
       String line = sourceFile.getLineText(lineIndex);
       locations.sort((a, b) => a.offset.compareTo(b.offset));
       for (int i = 0; i < locations.length; i++) {
         SourceLocation sourceLocation = locations[i];
         int index = collection.getIndex(sourceLocation);
         int start = sourceLocation.column;
         int end = line.length;
         if (i + 1 < locations.length) {
           end = locations[i + 1].column;
         }
         if (i == 0) {
           codeBuffer.write(lineNumber(lineIndex, width: lineNoWidth));
           codeBuffer.write(line.substring(0, start));
         }
-        codeBuffer.write(
-            '<a name="${index}" style="background:${toPattern(index)};" '
-            'title="[${lineIndex + 1},${start + 1}]" '
-            'onmouseover="highlight(\'$index\');" '
-            'onmouseout="highlight();">');
+        codeBuffer
+            .write('<a name="${index}" style="background:${toPattern(index)};" '
+                'title="[${lineIndex + 1},${start + 1}]" '
+                'onmouseover="highlight(\'$index\');" '
+                'onmouseout="highlight();">');
         codeBuffer.write(line.substring(start, end));
         codeBuffer.write('</a>');
       }
       lastLineIndex = lineIndex;
     });
 
     flush();
   });
   String display = showAsBlock ? 'block' : 'none';
   return '''
 <div name="$name" class="dart-buffer" style="display:$display;">
 <h3>Dart code for: ${escape(name)}</h3>
 ${dartCodeBuffer}
 </div>''';
 }
 
 /// Computes a HTML visualization of the [codePoints].
-String computeJsTraceHtmlPart(List<CodePoint> codePoints,
-                              SourceLocationCollection collection) {
+String computeJsTraceHtmlPart(
+    List<CodePoint> codePoints, SourceLocationCollection collection) {
   StringBuffer buffer = new StringBuffer();
   buffer.write('<table style="width:100%;">');
-  buffer.write(
-      '<tr><th>Node kind</th><th>JS code @ offset</th>'
+  buffer.write('<tr><th>Node kind</th><th>JS code @ offset</th>'
       '<th>Dart code @ mapped location</th><th>file:position:name</th></tr>');
   codePoints.forEach((CodePoint codePoint) {
     String jsCode = truncate(codePoint.jsCode, 50);
     if (codePoint.sourceLocation != null) {
       int index = collection.getIndex(codePoint.sourceLocation);
       if (index != null) {
         String style = '';
         if (!codePoint.isMissing) {
           style = 'style="background:${toColorCss(index)};" ';
         }
         buffer.write('<tr $style'
-                     'name="trace$index" '
-                     'onmouseover="highlight([${index}]);"'
-                     'onmouseout="highlight([]);">');
+            'name="trace$index" '
+            'onmouseover="highlight([${index}]);"'
+            'onmouseout="highlight([]);">');
       } else {
         buffer.write('<tr>');
         print('${codePoint.sourceLocation} not found in ');
         collection.sourceLocationIndexMap.keys
             .where((l) => l.sourceUri == codePoint.sourceLocation.sourceUri)
             .forEach((l) => print(' $l'));
       }
     } else {
       buffer.write('<tr>');
     }
     buffer.write('<td>${codePoint.kind}</td>');
     buffer.write('<td class="code">${jsCode}</td>');
     if (codePoint.sourceLocation == null) {
       //buffer.write('<td></td>');
     } else {
       String dartCode = truncate(codePoint.dartCode, 50);
       buffer.write('<td class="code">${dartCode}</td>');
       buffer.write('<td>${escape(codePoint.sourceLocation.shortText)}</td>');
     }
     buffer.write('</tr>');
   });
   buffer.write('</table>');
 
   return buffer.toString();
 }