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Issue 175043004: Version 1.2.0-dev.5.14 (Closed) Base URL: http://dart.googlecode.com/svn/trunk/dart/
Patch Set: Created 6 years, 10 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, 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 part of dart2js.js_emitter; 5 part of dart2js.js_emitter;
6 6
7 /** 7 /**
8 * A data structure for collecting fragments of a class definition. 8 * A data structure for collecting fragments of a class definition.
9 */ 9 */
10 class ClassBuilder { 10 class ClassBuilder {
11 final List<jsAst.Property> properties = <jsAst.Property>[]; 11 final List<jsAst.Property> properties = <jsAst.Property>[];
12 final List<String> fields = <String>[]; 12 final List<String> fields = <String>[];
13 13
14 String superName; 14 String superName;
15 String nativeName; 15 String nativeName;
16 String functionType; 16 String functionType;
17 List<jsAst.Node> fieldMetadata; 17 List<jsAst.Node> fieldMetadata;
18 18
19 final Namer namer;
20
19 /// Set to true by user if class is indistinguishable from its superclass. 21 /// Set to true by user if class is indistinguishable from its superclass.
20 bool isTrivial = false; 22 bool isTrivial = false;
21 23
24 ClassBuilder(this.namer);
25
22 // Has the same signature as [DefineStubFunction]. 26 // Has the same signature as [DefineStubFunction].
23 void addProperty(String name, jsAst.Expression value) { 27 void addProperty(String name, jsAst.Expression value) {
24 properties.add(new jsAst.Property(js.string(name), value)); 28 properties.add(new jsAst.Property(js.string(name), value));
25 } 29 }
26 30
27 void addField(String field) { 31 void addField(String field) {
28 fields.add(field); 32 fields.add(field);
29 } 33 }
30 34
31 jsAst.ObjectInitializer toObjectInitializer() { 35 jsAst.ObjectInitializer toObjectInitializer() {
(...skipping 11 matching lines...) Expand all
43 buffer.writeAll(fields, ','); 47 buffer.writeAll(fields, ',');
44 var classData = js.string('$buffer'); 48 var classData = js.string('$buffer');
45 if (fieldMetadata != null) { 49 if (fieldMetadata != null) {
46 // If we need to store fieldMetadata, classData is turned into an array, 50 // If we need to store fieldMetadata, classData is turned into an array,
47 // and the field metadata is appended. So if classData is just a string, 51 // and the field metadata is appended. So if classData is just a string,
48 // there is no field metadata. 52 // there is no field metadata.
49 classData = 53 classData =
50 new jsAst.ArrayInitializer.from([classData]..addAll(fieldMetadata)); 54 new jsAst.ArrayInitializer.from([classData]..addAll(fieldMetadata));
51 } 55 }
52 var fieldsAndProperties = 56 var fieldsAndProperties =
53 [new jsAst.Property(js.string(''), classData)] 57 [new jsAst.Property(js.string(namer.classDescriptorProperty),
58 classData)]
54 ..addAll(properties); 59 ..addAll(properties);
55 return new jsAst.ObjectInitializer(fieldsAndProperties, isOneLiner: false); 60 return new jsAst.ObjectInitializer(fieldsAndProperties, isOneLiner: false);
56 } 61 }
57 62
58 } 63 }
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