Sigmund Cherem
912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
71 lines
2.1 KiB
Dart
71 lines
2.1 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Accessing static native methods names:
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// plain declaration -> use @Native tag as 'scope' for declared name.
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// identifier @JSName -> use @Native tag as 'scope' for @JSName.
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// other @JSName -> use @JSName as an expression.
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import 'native_testing.dart';
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import 'dart:_js_helper' show convertDartClosureToJS;
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typedef int Callback(String s);
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@Native("CC") // Tag can be different to class name.
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class AA {
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// This name is not an identifier, so completely defines how to access method.
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@JSName('CC.foo')
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static int foo(String s) native;
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// This name is not an identifier, so completely defines how to access method.
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@JSName('CC.bar')
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static int bar(Callback c) native;
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static int baz(Callback c) {
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return bar(c);
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}
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// Compiler should automatically use the tag and the declared name, i.e. call
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// `CC.lepton`.
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static int lepton(Callback c) native;
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static int electron(c) => lepton(c);
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// Compiler should automatically use the tag and JSName, i.e. call
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// `CC.baryon`.
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@JSName('baryon')
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static int _baryon(Callback c) native;
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static int proton(c) => _baryon(c);
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}
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void setup() {
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JS('', r"""
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(function(){
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// This code is inside 'setup' and so not accessible from the global scope.
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function CC(){}
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CC.foo = function(s) { return s.length; };
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CC.bar = function(f) { return f("Bye"); };
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CC.lepton = function(f) { return f("Lepton"); };
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CC.baryon = function(f) { return f("three quarks"); };
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self.CC = CC;
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})()""");
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}
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main() {
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nativeTesting();
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setup();
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Expect.equals(5, AA.foo("Hello"));
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Expect.equals(3, AA.bar((String s) => s.length));
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Expect.equals(3, AA.baz((String s) => s.length));
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Expect.equals(6, AA.lepton((String s) => s.length));
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Expect.equals(6, AA.electron((String s) => s.length));
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Expect.equals(12, AA._baryon((String s) => s.length));
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Expect.equals(12, AA.proton((String s) => s.length));
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}
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