Language/Classes/declarations_t34.dart

// Copyright (c) 2011, 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.

/// @assertion classDefinition:
///   metadata abstract? class identifier typeParameters? (superclass mixins?)? 
/// interfaces? ‘{’ (metadata classMemberDefinition)* ‘}’ |
///   metadata abstract? class mixinApplicationClass
/// ;
/// .  .  .
/// classMemberDefinition:
///   declaration ';' |
///   methodSignature functionBody
/// ;
/// .  .  .
/// declaration:
///   constantConstructorSignature (redirection | initializers)? |
///   constructorSignature (redirection | initializers)? |
///   external constantConstructorSignature |
///   external constructorSignature |
///   (external static?)? getterSignature |
///   (external static?)? setterSignature |
///   external? operatorSignature |
///   (external static?)? functionSignature |
///   static (final | const) type? staticFinalDeclarationList |
///   final type? initializedIdentifierList |
///   static? (var | type) initializedIdentifierList
/// ;
/// staticFinalDeclarationList:
///   staticFinalDeclaration (', ' staticFinalDeclaration)*
/// ;
/// staticFinalDeclaration:
///   identifier '=' expression
/// ;
/// @description Checks that various class member declarations with metadata 
/// that are valid according to this syntax do not cause any errors and such 
/// class can be instantiated. 
/// @author kaigorodov


class A {
  @B(1) const A(): this.anotherConstructor();
  @A() const A.anotherConstructor();
  @A() static final x = 1, y = 2;
  @B(1) static final int z = 3;
  @A() static const x1 = 1, y1 = 2;
  @B(1) static const int z1 = 3;
}

class B {
  @B(1) const B(int a);
  @A() B.anotherConstructor(): this.oneMoreConstructor();
  @B(1) B.oneMoreConstructor() {}
  @A() static var initialized = 1;
  @B(1) static int initialized2 = 2;
}

class C {
  @B(1) const C(): x = 1, x1 = 2;
  @A() final x;
  @B(1) final int x1;
}

class D {
  @B(1) D();
  @A() D.name() : a = 2;
  @B(1) var x, y = 2, z;
  @A() int a = 1;
  @B(1) static int? typed;
  @A() static var untyped;
}

class E {
  @B(1) E(): this.D();
  @A() E.D();
  @B(1) static var nonInitialized;
}

class F {
  @B(1) F(): x = 1, y = 2;
  @A() var x, y;
  @B(1) int? x1, y1;
}

abstract class Abstract {
  @B(1) func();
  @A() funcWithParams(p1, p2);
  @B(1) funcWithOptionalParams([p1 = 1, p2 = 2]);
  @B(1) funcWithNamedParams({p1: 1, p2: 2});
  @A() get val;
  @B(1) set val(var v);
  @A() operator ==(dynamic other);

  @B(1) var _val;
}

main() {
  A a = const A();
  B b = new B(2);
  C c = const C();
  D d = new D();
  E e = new E();
  F f = new F();
}