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Side by Side Diff: utils/apidoc/html_diff.dart

Issue 10389097: Move dart:dom to dart:dom_deprecated (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 7 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 /** 5 /**
6 * A script to assist in documenting the difference between the dart:html API 6 * A script to assist in documenting the difference between the dart:html API
7 * and the old DOM API. 7 * and the old DOM API.
8 */ 8 */
9 #library('html_diff'); 9 #library('html_diff');
10 10
11 #import('dart:coreimpl'); 11 #import('dart:coreimpl');
12 12
13 #import('../../frog/lang.dart'); 13 #import('../../frog/lang.dart');
14 #import('../../frog/file_system_vm.dart'); 14 #import('../../frog/file_system_vm.dart');
15 #import('../../frog/file_system.dart'); 15 #import('../../frog/file_system.dart');
16 #import('../../lib/dartdoc/dartdoc.dart'); 16 #import('../../lib/dartdoc/dartdoc.dart');
17 17
18 /** 18 /**
19 * A class for computing a many-to-many mapping between the types and members in 19 * A class for computing a many-to-many mapping between the types and members in
20 * `dart:dom` and `dart:html`. This mapping is based on two indicators: 20 * `dart:dom_deprecated` and `dart:html`. This mapping is based on two indicator s:
21 * 21 *
22 * 1. Auto-detected wrappers. Most `dart:html` types correspond 22 * 1. Auto-detected wrappers. Most `dart:html` types correspond
23 * straightforwardly to a single `dart:dom` type, and have the same name. 23 * straightforwardly to a single `dart:dom_deprecated` type, and have the s ame name.
24 * In addition, most `dart:html` methods just call a single `dart:dom` 24 * In addition, most `dart:html` methods just call a single `dart:dom_depre cated`
25 * method. This class detects these simple correspondences automatically. 25 * method. This class detects these simple correspondences automatically.
26 * 26 *
27 * 2. Manual annotations. When it's not clear which `dart:dom` items a given 27 * 2. Manual annotations. When it's not clear which `dart:dom_deprecated` item s a given
28 * `dart:html` item corresponds to, the `dart:html` item can be 28 * `dart:html` item corresponds to, the `dart:html` item can be
29 * annotated in the documentation comments using the `@domName` annotation. 29 * annotated in the documentation comments using the `@domName` annotation.
30 * 30 *
31 * The `@domName` annotations for types and members are of the form `@domName 31 * The `@domName` annotations for types and members are of the form `@domName
32 * NAME(, NAME)*`, where the `NAME`s refer to the `dart:dom` types/members that 32 * NAME(, NAME)*`, where the `NAME`s refer to the `dart:dom_deprecated` types/me mbers that
33 * correspond to the annotated `dart:html` type/member. `NAME`s on member 33 * correspond to the annotated `dart:html` type/member. `NAME`s on member
34 * annotations can refer to either fully-qualified member names (e.g. 34 * annotations can refer to either fully-qualified member names (e.g.
35 * `Document.createElement`) or unqualified member names (e.g. `createElement`). 35 * `Document.createElement`) or unqualified member names (e.g. `createElement`).
36 * Unqualified member names are assumed to refer to members of one of the 36 * Unqualified member names are assumed to refer to members of one of the
37 * corresponding `dart:dom` types. 37 * corresponding `dart:dom_deprecated` types.
38 */ 38 */
39 class HtmlDiff { 39 class HtmlDiff {
40 /** A map from `dart:dom` members to corresponding `dart:html` members. */ 40 /** A map from `dart:dom_deprecated` members to corresponding `dart:html` memb ers. */
41 final Map<Member, Set<Member>> domToHtml; 41 final Map<Member, Set<Member>> domToHtml;
42 42
43 /** A map from `dart:html` members to corresponding `dart:dom` members. */ 43 /** A map from `dart:html` members to corresponding `dart:dom_deprecated` memb ers. */
44 final Map<Member, Set<Member>> htmlToDom; 44 final Map<Member, Set<Member>> htmlToDom;
45 45
46 /** A map from `dart:dom` types to corresponding `dart:html` types. */ 46 /** A map from `dart:dom_deprecated` types to corresponding `dart:html` types. */
47 final Map<Type, Set<Type>> domTypesToHtml; 47 final Map<Type, Set<Type>> domTypesToHtml;
48 48
49 /** A map from `dart:html` types to corresponding `dart:dom` types. */ 49 /** A map from `dart:html` types to corresponding `dart:dom_deprecated` types. */
50 final Map<Type, Set<Type>> htmlTypesToDom; 50 final Map<Type, Set<Type>> htmlTypesToDom;
51 51
52 final CommentMap comments; 52 final CommentMap comments;
53 53
54 /** If true, then print warning messages. */ 54 /** If true, then print warning messages. */
55 final bool _printWarnings; 55 final bool _printWarnings;
56 56
57 static Library dom; 57 static Library dom;
58 58
59 /** 59 /**
60 * Perform static initialization of [world]. This should be run before 60 * Perform static initialization of [world]. This should be run before
61 * calling [HtmlDiff.run]. 61 * calling [HtmlDiff.run].
62 */ 62 */
63 static void initialize() { 63 static void initialize() {
64 world.getOrAddLibrary('dart:dom'); 64 world.getOrAddLibrary('dart:dom_deprecated');
65 world.getOrAddLibrary('dart:html'); 65 world.getOrAddLibrary('dart:html');
66 world.process(); 66 world.process();
67 67
68 dom = world.libraries['dart:dom']; 68 dom = world.libraries['dart:dom_deprecated'];
69 } 69 }
70 70
71 HtmlDiff([bool printWarnings = false]) : 71 HtmlDiff([bool printWarnings = false]) :
72 _printWarnings = printWarnings, 72 _printWarnings = printWarnings,
73 domToHtml = new Map<Member, Set<Member>>(), 73 domToHtml = new Map<Member, Set<Member>>(),
74 htmlToDom = new Map<Member, Set<Member>>(), 74 htmlToDom = new Map<Member, Set<Member>>(),
75 domTypesToHtml = new Map<Type, Set<Type>>(), 75 domTypesToHtml = new Map<Type, Set<Type>>(),
76 htmlTypesToDom = new Map<Type, Set<Type>>(), 76 htmlTypesToDom = new Map<Type, Set<Type>>(),
77 comments = new CommentMap(); 77 comments = new CommentMap();
78 78
79 void warn(String s) { 79 void warn(String s) {
80 if (_printWarnings) { 80 if (_printWarnings) {
81 print('Warning: ' + s); 81 print('Warning: ' + s);
82 } 82 }
83 } 83 }
84 84
85 /** 85 /**
86 * Computes the `dart:dom` to `dart:html` mapping, and places it in 86 * Computes the `dart:dom_deprecated` to `dart:html` mapping, and places it in
87 * [domToHtml], [htmlToDom], [domTypesToHtml], and [htmlTypesToDom]. Before 87 * [domToHtml], [htmlToDom], [domTypesToHtml], and [htmlTypesToDom]. Before
88 * this is run, Frog should be initialized (via [parseOptions] and 88 * this is run, Frog should be initialized (via [parseOptions] and
89 * [initializeWorld]) and [HtmlDiff.initialize] should be called. 89 * [initializeWorld]) and [HtmlDiff.initialize] should be called.
90 */ 90 */
91 void run() { 91 void run() {
92 final htmlLib = world.libraries['dart:html']; 92 final htmlLib = world.libraries['dart:html'];
93 for (Type htmlType in htmlLib.types.getValues()) { 93 for (Type htmlType in htmlLib.types.getValues()) {
94 final domTypes = htmlToDomTypes(htmlType); 94 final domTypes = htmlToDomTypes(htmlType);
95 if (domTypes.isEmpty()) continue; 95 if (domTypes.isEmpty()) continue;
96 96
97 htmlTypesToDom.putIfAbsent(htmlType, 97 htmlTypesToDom.putIfAbsent(htmlType,
98 () => new Set()).addAll(domTypes); 98 () => new Set()).addAll(domTypes);
99 domTypes.forEach((t) => 99 domTypes.forEach((t) =>
100 domTypesToHtml.putIfAbsent(t, () => new Set()).add(htmlType)); 100 domTypesToHtml.putIfAbsent(t, () => new Set()).add(htmlType));
101 101
102 final members = new List.from(htmlType.members.getValues()); 102 final members = new List.from(htmlType.members.getValues());
103 members.addAll(htmlType.constructors.getValues()); 103 members.addAll(htmlType.constructors.getValues());
104 htmlType.factories.forEach((f) => members.add(f)); 104 htmlType.factories.forEach((f) => members.add(f));
105 members.forEach((m) => _addMemberDiff(m, domTypes)); 105 members.forEach((m) => _addMemberDiff(m, domTypes));
106 } 106 }
107 } 107 }
108 108
109 /** 109 /**
110 * Records the `dart:dom` to `dart:html` mapping for [implMember] (from 110 * Records the `dart:dom_deprecated` to `dart:html` mapping for [implMember] ( from
111 * `dart:html`). [domTypes] are the `dart:dom` [Type]s that correspond to 111 * `dart:html`). [domTypes] are the `dart:dom_deprecated` [Type]s that corresp ond to
112 * [implMember]'s defining [Type]. 112 * [implMember]'s defining [Type].
113 */ 113 */
114 void _addMemberDiff(Member htmlMember, List<Type> domTypes) { 114 void _addMemberDiff(Member htmlMember, List<Type> domTypes) {
115 if (htmlMember.isProperty) { 115 if (htmlMember.isProperty) {
116 if (htmlMember.canGet) _addMemberDiff(htmlMember.getter, domTypes); 116 if (htmlMember.canGet) _addMemberDiff(htmlMember.getter, domTypes);
117 if (htmlMember.canSet) _addMemberDiff(htmlMember.setter, domTypes); 117 if (htmlMember.canSet) _addMemberDiff(htmlMember.setter, domTypes);
118 } 118 }
119 119
120 var domMembers = htmlToDomMembers(htmlMember, domTypes); 120 var domMembers = htmlToDomMembers(htmlMember, domTypes);
121 if (htmlMember == null && !domMembers.isEmpty()) { 121 if (htmlMember == null && !domMembers.isEmpty()) {
122 warn('dart:html member ${htmlMember.declaringType.name}.' + 122 warn('dart:html member ${htmlMember.declaringType.name}.' +
123 '${htmlMember.name} has no corresponding dart:html member.'); 123 '${htmlMember.name} has no corresponding dart:html member.');
124 } 124 }
125 125
126 if (htmlMember == null) return; 126 if (htmlMember == null) return;
127 if (!domMembers.isEmpty()) htmlToDom[htmlMember] = domMembers; 127 if (!domMembers.isEmpty()) htmlToDom[htmlMember] = domMembers;
128 domMembers.forEach((m) => 128 domMembers.forEach((m) =>
129 domToHtml.putIfAbsent(m, () => new Set()).add(htmlMember)); 129 domToHtml.putIfAbsent(m, () => new Set()).add(htmlMember));
130 } 130 }
131 131
132 /** 132 /**
133 * Returns the `dart:dom` [Type]s that correspond to [htmlType] from 133 * Returns the `dart:dom_deprecated` [Type]s that correspond to [htmlType] fro m
134 * `dart:html`. This can be the empty list if no correspondence is found. 134 * `dart:html`. This can be the empty list if no correspondence is found.
135 */ 135 */
136 List<Type> htmlToDomTypes(Type htmlType) { 136 List<Type> htmlToDomTypes(Type htmlType) {
137 if (htmlType.name == null) return []; 137 if (htmlType.name == null) return [];
138 final tags = _getTags(comments.find(htmlType.span)); 138 final tags = _getTags(comments.find(htmlType.span));
139 139
140 if (tags.containsKey('domName')) { 140 if (tags.containsKey('domName')) {
141 var domNames = map(tags['domName'].split(','), (s) => s.trim()); 141 var domNames = map(tags['domName'].split(','), (s) => s.trim());
142 if (domNames.length == 1 && domNames[0] == 'none') return []; 142 if (domNames.length == 1 && domNames[0] == 'none') return [];
143 return map(domNames, (domName) { 143 return map(domNames, (domName) {
144 final domType = dom.types[domName]; 144 final domType = dom.types[domName];
145 if (domType == null) warn('no dart:dom type named $domName'); 145 if (domType == null) warn('no dart:dom_deprecated type named $domName');
146 return domType; 146 return domType;
147 }); 147 });
148 } 148 }
149 return <Type>[]; 149 return <Type>[];
150 } 150 }
151 151
152 /** 152 /**
153 * Returns the `dart:dom` [Member]s that correspond to [htmlMember] from 153 * Returns the `dart:dom_deprecated` [Member]s that correspond to [htmlMember] from
154 * `dart:html`. This can be the empty set if no correspondence is found. 154 * `dart:html`. This can be the empty set if no correspondence is found.
155 * [domTypes] are the `dart:dom` [Type]s that correspond to [implMember]'s 155 * [domTypes] are the `dart:dom_deprecated` [Type]s that correspond to [implMe mber]'s
156 * defining [Type]. 156 * defining [Type].
157 */ 157 */
158 Set<Member> htmlToDomMembers(Member htmlMember, List<Type> domTypes) { 158 Set<Member> htmlToDomMembers(Member htmlMember, List<Type> domTypes) {
159 if (htmlMember.isPrivate) return new Set(); 159 if (htmlMember.isPrivate) return new Set();
160 final tags = _getTags(comments.find(htmlMember.span)); 160 final tags = _getTags(comments.find(htmlMember.span));
161 if (tags.containsKey('domName')) { 161 if (tags.containsKey('domName')) {
162 final domNames = map(tags['domName'].split(','), (s) => s.trim()); 162 final domNames = map(tags['domName'].split(','), (s) => s.trim());
163 if (domNames.length == 1 && domNames[0] == 'none') return new Set(); 163 if (domNames.length == 1 && domNames[0] == 'none') return new Set();
164 final members = new Set(); 164 final members = new Set();
165 domNames.forEach((name) { 165 domNames.forEach((name) {
166 var nameMembers = _membersFromName(name, domTypes); 166 var nameMembers = _membersFromName(name, domTypes);
167 if (nameMembers.isEmpty()) { 167 if (nameMembers.isEmpty()) {
168 if (name.contains('.')) { 168 if (name.contains('.')) {
169 warn('no member $name'); 169 warn('no member $name');
170 } else { 170 } else {
171 final options = Strings.join( 171 final options = Strings.join(
172 map(domTypes, (t) => "${t.name}.$name"), ' or '); 172 map(domTypes, (t) => "${t.name}.$name"), ' or ');
173 warn('no member $options'); 173 warn('no member $options');
174 } 174 }
175 } 175 }
176 members.addAll(nameMembers); 176 members.addAll(nameMembers);
177 }); 177 });
178 return members; 178 return members;
179 } 179 }
180 180
181 return new Set(); 181 return new Set();
182 } 182 }
183 183
184 /** 184 /**
185 * Returns the `dart:dom` [Member]s that are indicated by [name]. [name] can 185 * Returns the `dart:dom_deprecated` [Member]s that are indicated by [name]. [ name] can
186 * be either an unqualified member name (e.g. `createElement`), in which case 186 * be either an unqualified member name (e.g. `createElement`), in which case
187 * it's treated as the name of a member of one of [defaultTypes], or a 187 * it's treated as the name of a member of one of [defaultTypes], or a
188 * fully-qualified member name (e.g. `Document.createElement`), in which case 188 * fully-qualified member name (e.g. `Document.createElement`), in which case
189 * it's looked up in `dart:dom` and [defaultTypes] is ignored. 189 * it's looked up in `dart:dom_deprecated` and [defaultTypes] is ignored.
190 */ 190 */
191 Set<Member> _membersFromName(String name, List<Type> defaultTypes) { 191 Set<Member> _membersFromName(String name, List<Type> defaultTypes) {
192 if (!name.contains('.', 0)) { 192 if (!name.contains('.', 0)) {
193 if (defaultTypes.isEmpty()) { 193 if (defaultTypes.isEmpty()) {
194 warn('no default type for ${name}'); 194 warn('no default type for ${name}');
195 return new Set(); 195 return new Set();
196 } 196 }
197 final members = new Set<Member>(); 197 final members = new Set<Member>();
198 defaultTypes.forEach((t) { 198 defaultTypes.forEach((t) {
199 if (t.members.containsKey(name)) members.add(t.members[name]); 199 if (t.members.containsKey(name)) members.add(t.members[name]);
(...skipping 29 matching lines...) Expand all
229 Map<String, String> _getTags(String comment) { 229 Map<String, String> _getTags(String comment) {
230 if (comment == null) return const <String>{}; 230 if (comment == null) return const <String>{};
231 final re = const RegExp("@([a-zA-Z]+) ([^;]+)(?:;|\$)"); 231 final re = const RegExp("@([a-zA-Z]+) ([^;]+)(?:;|\$)");
232 final tags = <String>{}; 232 final tags = <String>{};
233 for (var m in re.allMatches(comment.trim())) { 233 for (var m in re.allMatches(comment.trim())) {
234 tags[m[1]] = m[2]; 234 tags[m[1]] = m[2];
235 } 235 }
236 return tags; 236 return tags;
237 } 237 }
238 } 238 }
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