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1 // Copyright (c) 2015, the Dartino 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.md file. | |
4 | |
5 library fletchc.fletch_native_descriptor; | |
6 | |
7 import 'dart:convert' show | |
8 JSON; | |
9 | |
10 class FletchNativeDescriptor { | |
11 final String enumName; | |
12 | |
13 final String cls; | |
14 | |
15 final String name; | |
16 | |
17 final int index; | |
18 | |
19 final bool isDetachable; | |
20 | |
21 FletchNativeDescriptor(this.enumName, this.cls, this.name, this.index, | |
22 this.isDetachable); | |
23 | |
24 String toString() { | |
25 return "FletchNativeDescriptor" | |
26 "($enumName, $cls, $name, $index, $isDetachable)"; | |
27 } | |
28 | |
29 static void decode( | |
30 String jsonData, | |
31 Map<String, FletchNativeDescriptor> natives, | |
32 Map<String, String> names) { | |
33 Map jsonObjects = JSON.decode(jsonData); | |
34 int index = 0; | |
35 for (Map native in jsonObjects['natives']) { | |
36 String cls = native['class']; | |
37 String name = native['name']; | |
38 bool isDetachable = native['is_detachable']; | |
39 assert(isDetachable != null); | |
40 void add(cls, name) { | |
41 natives['$cls.$name'] = new FletchNativeDescriptor( | |
42 native['enum'], cls, name, index, isDetachable); | |
43 natives['$cls._fletchNative$name'] = new FletchNativeDescriptor( | |
44 native['enum'], cls, name, index, isDetachable); | |
45 } | |
46 if (cls == "<none>") { | |
47 cls = null; | |
48 add("", name); | |
49 if (name.startsWith("_")) { | |
50 // For private top-level methods, create a public version as well. | |
51 // TODO(ahe): Modify the VM table of natives. | |
52 add("", name.substring(1)); | |
53 } | |
54 } else { | |
55 add(cls, name); | |
56 } | |
57 index++; | |
58 } | |
59 for (Map name in jsonObjects['names']) { | |
60 names[name['name']] = name['value']; | |
61 } | |
62 } | |
63 } | |
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