Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
157 lines
4.1 KiB
Dart
157 lines
4.1 KiB
Dart
// Copyright (c) 2017, 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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// @dart = 2.7
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/*member: main:[null]*/
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main() {
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exposeThis1();
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exposeThis2();
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exposeThis3();
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exposeThis4();
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exposeThis5();
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exposeThis6();
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exposeThis7();
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}
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////////////////////////////////////////////////////////////////////////////////
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// Expose this through a top level method invocation.
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////////////////////////////////////////////////////////////////////////////////
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/*member: _method1:[null]*/
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_method1(/*[exact=Class1]*/ o) {}
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class Class1 {
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// The inferred type of the field includes `null` because `this` has been
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// exposed before its initialization.
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/*member: Class1.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class1.:[exact=Class1]*/
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Class1() {
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_method1(this);
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/*update: [exact=Class1]*/ field = 42;
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}
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}
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/*member: exposeThis1:[exact=Class1]*/
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exposeThis1() => new Class1();
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////////////////////////////////////////////////////////////////////////////////
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// Expose this trough a instance method invocation on this.
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////////////////////////////////////////////////////////////////////////////////
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class Class2 {
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/*member: Class2.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class2.:[exact=Class2]*/
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Class2() {
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/*invoke: [exact=Class2]*/ method();
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/*update: [exact=Class2]*/ field = 42;
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}
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/*member: Class2.method:[null]*/
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method() {}
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}
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/*member: exposeThis2:[exact=Class2]*/
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exposeThis2() => new Class2();
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////////////////////////////////////////////////////////////////////////////////
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// A this expression itself does _not_ expose this.
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////////////////////////////////////////////////////////////////////////////////
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class Class3 {
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/*member: Class3.field:[exact=JSUInt31]*/
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var field;
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/*member: Class3.:[exact=Class3]*/
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Class3() {
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this;
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/*update: [exact=Class3]*/ field = 42;
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}
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}
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/*member: exposeThis3:[exact=Class3]*/
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exposeThis3() => new Class3();
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////////////////////////////////////////////////////////////////////////////////
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// Expose this through a static field assignment.
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////////////////////////////////////////////////////////////////////////////////
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/*member: field1:[null|exact=Class4]*/
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var field1;
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class Class4 {
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/*member: Class4.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class4.:[exact=Class4]*/
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Class4() {
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field1 = this;
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/*update: [exact=Class4]*/ field = 42;
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}
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}
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/*member: exposeThis4:[exact=Class4]*/
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exposeThis4() => new Class4();
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////////////////////////////////////////////////////////////////////////////////
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// Expose this through an instance field assignment.
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////////////////////////////////////////////////////////////////////////////////
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class Class5 {
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/*member: Class5.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class5.:[exact=Class5]*/
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Class5(/*[null]*/ o) {
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o. /*update: [null]*/ field5 = this;
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/*update: [exact=Class5]*/ field = 42;
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}
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}
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/*member: exposeThis5:[exact=Class5]*/
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exposeThis5() => new Class5(null);
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////////////////////////////////////////////////////////////////////////////////
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// Expose this through a local variable assignment.
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////////////////////////////////////////////////////////////////////////////////
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class Class6 {
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/*member: Class6.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class6.:[exact=Class6]*/
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Class6() {
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// ignore: UNUSED_LOCAL_VARIABLE
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var o;
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o = this;
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/*update: [exact=Class6]*/ field = 42;
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}
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}
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/*member: exposeThis6:[exact=Class6]*/
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exposeThis6() => new Class6();
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////////////////////////////////////////////////////////////////////////////////
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// Expose this through a local variable initializer.
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////////////////////////////////////////////////////////////////////////////////
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class Class7 {
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/*member: Class7.field:[null|exact=JSUInt31]*/
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var field;
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/*member: Class7.:[exact=Class7]*/
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Class7() {
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// ignore: UNUSED_LOCAL_VARIABLE
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var o = this;
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/*update: [exact=Class7]*/ field = 42;
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}
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}
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/*member: exposeThis7:[exact=Class7]*/
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exposeThis7() => new Class7();
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