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3f46fe216d
BUG= R=floitsch@google.com Review URL: https://codereview.chromium.org//383413003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@38375 260f80e4-7a28-3924-810f-c04153c831b5
154 lines
4 KiB
Dart
154 lines
4 KiB
Dart
// Copyright (c) 2011, 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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// Test that native methods with unnamed optional arguments are called with the
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// number of arguments in the call site AND the call site is inlined.
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import "package:expect/expect.dart";
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import 'dart:_js_helper' show Native, NoInline;
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typedef int Int2Int(int x);
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@Native("A")
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class A {
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int foo([x, y, z]) native;
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// Calls can be inlined provided they don't pass an argument.
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int callFun([Int2Int fn]) native;
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}
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class B {
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static var g;
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@NoInline()
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method1(a) {
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g = '(Method1Tag)'; // Tag to identify compiled JavaScript method.
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A x = makeA();
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// Call sites that are searched for in compiled JavaScript.
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x.foo();
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x.foo(1);
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x.foo(2, 10);
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return x.foo(3, 10, 30);
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}
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@NoInline()
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method2() {
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g = '(Method2Tag)';
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A x = makeA();
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var r1 = x.callFun(); // Can be inlined.
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var r2 = x.callFun();
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return r1 + r2;
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}
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@NoInline()
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method3() {
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g = '(Method3Tag)';
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A x = makeA();
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var r1 = x.callFun((x) => x * 2); // Can't be inlined due to conversion.
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var r2 = x.callFun((x) => x * 0);
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return r1 + r2;
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}
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}
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A makeA() native;
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String findMethodTextContaining(instance, string) native;
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void setup() native r"""
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function A() {}
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A.prototype.foo = function () { return arguments.length; };
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A.prototype.callFun = function (fn) { return fn ? fn(123) : 1; };
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makeA = function(){return new A;};
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findMethodTextContaining = function (instance, string) {
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var proto = Object.getPrototypeOf(instance);
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var keys = Object.keys(proto);
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for (var i = 0; i < keys.length; i++) {
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var name = keys[i];
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var member = proto[name];
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var s = String(member);
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if (s.indexOf(string)>0) return s;
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}
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};
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""";
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bool get isCheckedMode {
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int i = 0;
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try {
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i = 'a';
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} catch (e) {
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return true;
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}
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return false;
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}
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void match(String s, String pattern1) {
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var pattern2 = pattern1.replaceAll(' ', '');
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Expect.isTrue(s.contains(pattern1) || s.contains(pattern2),
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"expected $pattern1 or $pattern2");
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}
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void nomatch(String s, String pattern1) {
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var pattern2 = pattern1.replaceAll(' ', '');
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Expect.isFalse(s.contains(pattern1) || s.contains(pattern2),
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"should not have $pattern1 or $pattern2");
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}
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test1() {
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String method1 = findMethodTextContaining(new B(), '(Method1Tag)');
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Expect.isNotNull(method1, 'No method found containing "(Method1Tag)"');
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if (isCheckedMode) {
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match(method1, r'foo()');
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// TODO: inlining in checked mode.
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nomatch(method1, r'foo(1)');
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// t1.foo$3(x, 3, 10, 30) or y.EL(z,3,10,30)
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match(method1, r', 3, 10, 30)');
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} else {
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// Direct (inlined) calls don't have $3 or minified names.
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match(method1, r'.foo()');
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match(method1, r'.foo(1)');
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match(method1, r'.foo(2, 10)');
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match(method1, r'.foo(3, 10, 30)');
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}
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// Ensure the methods are compiled by calling them.
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var a = makeA();
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Expect.equals(0, a.foo());
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Expect.equals(1, a.foo(10));
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Expect.equals(2, a.foo(10, 20));
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Expect.equals(3, a.foo(10, 20, 30));
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var b = new B();
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var r = b.method1(a);
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Expect.equals(3, r);
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}
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test2() {
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String method2 = findMethodTextContaining(new B(), '(Method2Tag)');
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Expect.isNotNull(method2, 'No method found containing "(Method2Tag)"');
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// Can always inline the zero-arg call.
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match(method2, r'.callFun()');
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String method3 = findMethodTextContaining(new B(), '(Method3Tag)');
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Expect.isNotNull(method3, 'No method found containing "(Method3Tag)"');
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// Don't inline native method with a function argument - should call a stub
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// containing the conversion.
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nomatch(method3, r'.callFun(');
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// Ensure the methods are compiled by calling them.
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var a = makeA();
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Expect.equals(369, a.callFun((i) => 3 * i));
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var b = new B();
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Expect.equals(2, b.method2());
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Expect.equals(246, b.method3());
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}
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main() {
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setup();
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test1();
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test2();
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}
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