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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 /// Client component to display [GlobalResult]s as a web app. |
| 6 library dart2js_info.bin.inference.client; |
| 7 |
| 8 import 'dart:html' hide Entry; |
| 9 import 'dart:convert'; |
| 10 import 'package:dart2js_info/info.dart'; |
| 11 import 'package:dart2js_info/src/string_edit_buffer.dart'; |
| 12 import 'package:charcode/charcode.dart'; |
| 13 |
| 14 AllInfo data; |
| 15 main() async { |
| 16 data = |
| 17 AllInfo.parseFromJson(JSON.decode(await HttpRequest.getString('/data'))); |
| 18 |
| 19 routeByHash(); |
| 20 window.onHashChange.listen((_) => routeByHash()); |
| 21 } |
| 22 |
| 23 /// Does basic routing for the client UI. |
| 24 routeByHash() { |
| 25 var hash = window.location.hash; |
| 26 if (hash.isEmpty || hash == '#' || hash == '#!') { |
| 27 handleHomePage(); |
| 28 } else if (hash.startsWith('#!')) { |
| 29 handleFileView(hash.substring(2)); |
| 30 } |
| 31 } |
| 32 |
| 33 /// Renders the home screen: a list of files with results. |
| 34 handleHomePage() { |
| 35 var files = UrlRetriever.run(data); |
| 36 var html = new StringBuffer()..write('<ul>'); |
| 37 for (var file in files) { |
| 38 html.write('<li> <a href="#!$file">$file</a></li>'); |
| 39 } |
| 40 html.write('</ul>'); |
| 41 document.body.setInnerHtml('$html', treeSanitizer: NodeTreeSanitizer.trusted); |
| 42 } |
| 43 |
| 44 /// Renders the results of a single file: the code with highlighting for each |
| 45 /// send. |
| 46 handleFileView(String path) async { |
| 47 var contents = await HttpRequest.getString('file/$path'); |
| 48 var visitor = new SendHighlighter(path, contents); |
| 49 data.accept(visitor); |
| 50 var code = '${visitor.code}'; |
| 51 document.body.setInnerHtml( |
| 52 ''' |
| 53 <div class="grid"> |
| 54 <div class="main code">$code</div> |
| 55 <div id="selections" class="right code"></div> |
| 56 </div> |
| 57 ''', |
| 58 treeSanitizer: NodeTreeSanitizer.trusted); |
| 59 |
| 60 var div = document.querySelector('#selections'); |
| 61 visitAllMetrics((metric, _) { |
| 62 if (metric is GroupedMetric || metric.name == 'reachable functions') return; |
| 63 var cssClassName = _classNameForMetric(metric); |
| 64 var node = new Element.html('<div>' |
| 65 '<span class="send $cssClassName inactive">${metric.name}</span>' |
| 66 '</div>'); |
| 67 node.children[0].onClick.listen((_) { |
| 68 document.querySelectorAll('.$cssClassName').classes.toggle('inactive'); |
| 69 }); |
| 70 div.append(node); |
| 71 }); |
| 72 } |
| 73 |
| 74 /// Extracts urls for all files mentioned in the results. |
| 75 class UrlRetriever extends RecursiveInfoVisitor { |
| 76 List<String> _paths = []; |
| 77 |
| 78 static List<String> run(AllInfo results) { |
| 79 var visitor = new UrlRetriever(); |
| 80 results.accept(visitor); |
| 81 return visitor._paths; |
| 82 } |
| 83 |
| 84 @override |
| 85 visitLibrary(LibraryInfo info) { |
| 86 _paths.add(info.uri.path); |
| 87 super.visitLibrary(info); |
| 88 } |
| 89 |
| 90 @override |
| 91 visitFunction(FunctionInfo info) { |
| 92 var path = info.measurements?.uri?.path; |
| 93 if (path != null) _paths.add(path); |
| 94 } |
| 95 } |
| 96 |
| 97 /// Visitors that highlights every send in the text of a file using HTML |
| 98 /// `<span>` tags. |
| 99 class SendHighlighter extends RecursiveInfoVisitor { |
| 100 final String path; |
| 101 final StringEditBuffer code; |
| 102 |
| 103 SendHighlighter(this.path, String contents) |
| 104 : code = new StringEditBuffer(contents) { |
| 105 code.insert(0, '<span class="line">'); |
| 106 for (int i = 0; i < contents.length; i++) { |
| 107 if (contents.codeUnitAt(i) == $lt) { |
| 108 code.replace(i, i + 1, '<'); |
| 109 } else if (contents.codeUnitAt(i) == $gt) { |
| 110 code.replace(i, i + 1, '>'); |
| 111 } else if (contents.codeUnitAt(i) == $lf) { |
| 112 code.insert(i + 1, '</span><span class="line">'); |
| 113 } |
| 114 } |
| 115 code.insert(contents.length, '</span>'); |
| 116 } |
| 117 |
| 118 @override |
| 119 visitFunction(FunctionInfo function) { |
| 120 if (function.measurements?.uri?.path != path) return; |
| 121 var entries = function.measurements.entries; |
| 122 for (var metric in entries.keys) { |
| 123 if (metric is GroupedMetric) continue; |
| 124 var cssClassName = _classNameForMetric(metric); |
| 125 for (var entry in entries[metric]) { |
| 126 code.insert(entry.begin, '<span class="send ${cssClassName} inactive">', |
| 127 -entry.end); |
| 128 code.insert(entry.end, '</span>'); |
| 129 } |
| 130 } |
| 131 } |
| 132 } |
| 133 |
| 134 _classNameForMetric(Metric metric) => metric.name.replaceAll(' ', '-'); |
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