| // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // This test verifies that `EXPR<typeArguments>(arguments)` is properly parsed |
| // as a generic invocation, for all types of expressions that may appear as |
| // EXPR. We try to pay extra attention to ambiguous expressions (that is, where |
| // interpreting the `<` and `>` as operators would also have led to a valid |
| // parse). |
| |
| import '../syntax_helper.dart'; |
| |
| class C extends SyntaxTracker { |
| C([Object? x = absent, Object? y = absent]) |
| : super('new C${SyntaxTracker.args(x, y)}'); |
| |
| C.syntax(String s) : super(s); |
| } |
| |
| class ThisTest extends C { |
| ThisTest() : super.syntax('this'); |
| |
| void test() { |
| checkSyntax(f(this<C, C>(0)), 'f(this<C, C>(0))'); |
| // Note: SyntaxTracker can't see the parens around `this` in the line below |
| checkSyntax(f((this)<C, C>(0)), 'f(this<C, C>(0))'); |
| } |
| } |
| |
| main() { |
| SyntaxTracker.known[C] = 'C'; |
| SyntaxTracker.known[#x] = '#x'; |
| checkSyntax(f(f<C, C>(0)), 'f(f<C, C>(0))'); |
| checkSyntax(f(x.method<C, C>(0)), 'f(x.method<C, C>(0))'); |
| checkSyntax(f(C()<C, C>(0)), 'f(new C()<C, C>(0))'); |
| checkSyntax(f(new C()<C, C>(0)), 'f(new C()<C, C>(0))'); |
| checkSyntax(f(f()<C, C>(0)), 'f(f()<C, C>(0))'); |
| checkSyntax(f(x.method()<C, C>(0)), 'f(x.method()<C, C>(0))'); |
| checkSyntax(f(x[0]()<C, C>(0)), 'f(x[0]()<C, C>(0))'); |
| checkSyntax(f(#x<C, C>(0)), 'f(#x<C, C>(0))'); |
| checkSyntax(f(null<C, C>(0)), 'f(null<C, C>(0))'); |
| checkSyntax(f(0<C, C>(0)), 'f(0<C, C>(0))'); |
| checkSyntax(f(0.5<C, C>(0)), 'f(0.5<C, C>(0))'); |
| checkSyntax(f([]<C, C>(0)), 'f([]<C, C>(0))'); |
| checkSyntax(f([0]<C, C>(0)), 'f([0]<C, C>(0))'); |
| checkSyntax(f({}<C, C>(0)), 'f({}<C, C>(0))'); |
| checkSyntax(f({0}<C, C>(0)), 'f({0}<C, C>(0))'); |
| checkSyntax(f({0: 0}<C, C>(0)), 'f({ 0: 0 }<C, C>(0))'); |
| checkSyntax(f(true<C, C>(0)), 'f(true<C, C>(0))'); |
| checkSyntax(f("s"<C, C>(0)), 'f("s"<C, C>(0))'); |
| checkSyntax(f(r"s"<C, C>(0)), 'f("s"<C, C>(0))'); |
| checkSyntax(f(x[0]<C, C>(0)), 'f(x[0]<C, C>(0))'); |
| // Note: SyntaxTracker can't see the `!` in the line below |
| checkSyntax(f(x!<C, C>(0)), 'f(x<C, C>(0))'); |
| // Note: SyntaxTracker can't see the parens around `x` in the line below |
| checkSyntax(f((x)<C, C>(0)), 'f(x<C, C>(0))'); |
| ThisTest().test(); |
| } |