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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 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 | 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 // Accessing static native methods names: | 5 // Accessing static native methods names: |
| 6 // plain declaration -> use @Native tag as 'scope' for declared name. | 6 // plain declaration -> use @Native tag as 'scope' for declared name. |
| 7 // identifier @JSName -> use @Native tag as 'scope' for @JSName. | 7 // identifier @JSName -> use @Native tag as 'scope' for @JSName. |
| 8 // other @JSName -> use @JSName as an expression. | 8 // other @JSName -> use @JSName as an expression. |
| 9 | 9 |
| 10 import "package:expect/expect.dart"; | 10 import "package:expect/expect.dart"; |
| 11 import 'dart:_js_helper' show Native, JSName, convertDartClosureToJS; | 11 import 'dart:_js_helper' show Native, JSName, convertDartClosureToJS; |
| 12 | 12 |
| 13 | |
| 14 typedef int Callback(String s); | 13 typedef int Callback(String s); |
| 15 | 14 |
| 16 @Native("CC") // Tag can be different to class name. | 15 @Native("CC") // Tag can be different to class name. |
| 17 class AA { | 16 class AA { |
| 18 // This name is not an identifier, so completely defines how to access method. | 17 // This name is not an identifier, so completely defines how to access method. |
| 19 @JSName('CC.foo') | 18 @JSName('CC.foo') |
| 20 static int foo(String s) native; | 19 static int foo(String s) native ; |
| 21 | 20 |
| 22 // This name is not an identifier, so completely defines how to access method. | 21 // This name is not an identifier, so completely defines how to access method. |
| 23 @JSName('CC.bar') | 22 @JSName('CC.bar') |
| 24 static int bar(Callback c) native; | 23 static int bar(Callback c) native ; |
| 25 static int baz(Callback c) { return bar(c); } | 24 static int baz(Callback c) { |
| 25 return bar(c); |
| 26 } |
| 26 | 27 |
| 27 // Compiler should automatically use the tag and the declared name, i.e. call | 28 // Compiler should automatically use the tag and the declared name, i.e. call |
| 28 // `CC.lepton`. | 29 // `CC.lepton`. |
| 29 static int lepton(Callback c) native; | 30 static int lepton(Callback c) native ; |
| 30 static int electron(c) => lepton(c); | 31 static int electron(c) => lepton(c); |
| 31 | 32 |
| 32 // Compiler should automatically use the tag and JSName, i.e. call | 33 // Compiler should automatically use the tag and JSName, i.e. call |
| 33 // `CC.baryon`. | 34 // `CC.baryon`. |
| 34 @JSName('baryon') | 35 @JSName('baryon') |
| 35 static int _baryon(Callback c) native; | 36 static int _baryon(Callback c) native ; |
| 36 static int proton(c) => _baryon(c); | 37 static int proton(c) => _baryon(c); |
| 37 } | 38 } |
| 38 | 39 |
| 39 void setup() native r""" | 40 void setup() native r""" |
| 40 // This code is all inside 'setup' and so not accessible from the global scope. | 41 // This code is all inside 'setup' and so not accessible from the global scope. |
| 41 | 42 |
| 42 function CC(){} | 43 function CC(){} |
| 43 | 44 |
| 44 CC.foo = function(s) { return s.length; } | 45 CC.foo = function(s) { return s.length; } |
| 45 CC.bar = function(f) { return f("Bye"); } | 46 CC.bar = function(f) { return f("Bye"); } |
| (...skipping 13 matching lines...) Expand all Loading... |
| 59 Expect.equals(5, AA.foo("Hello")); | 60 Expect.equals(5, AA.foo("Hello")); |
| 60 | 61 |
| 61 Expect.equals(3, AA.bar((s) => s.length)); | 62 Expect.equals(3, AA.bar((s) => s.length)); |
| 62 Expect.equals(3, AA.baz((s) => s.length)); | 63 Expect.equals(3, AA.baz((s) => s.length)); |
| 63 | 64 |
| 64 Expect.equals(6, AA.lepton((s) => s.length)); | 65 Expect.equals(6, AA.lepton((s) => s.length)); |
| 65 Expect.equals(6, AA.electron((s) => s.length)); | 66 Expect.equals(6, AA.electron((s) => s.length)); |
| 66 | 67 |
| 67 Expect.equals(12, AA._baryon((s) => s.length)); | 68 Expect.equals(12, AA._baryon((s) => s.length)); |
| 68 Expect.equals(12, AA.proton((s) => s.length)); | 69 Expect.equals(12, AA.proton((s) => s.length)); |
| 69 Expect.throws(() => AA.baryon((s) => s.length)); // Not defined on AA. | 70 Expect.throws(() => AA.baryon((s) => s.length)); // Not defined on AA. |
| 70 } | 71 } |
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