| // Copyright (c) 2016, 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. |
| |
| /// Properties that result from Strong Mode analysis on an AST. |
| /// |
| /// These properties are not public, but provided by use of back-ends such as |
| /// Dart Dev Compiler. |
| |
| import 'package:analyzer/analyzer.dart'; |
| import 'package:analyzer/dart/element/type.dart'; |
| |
| const String _implicitCast = '_implicitCast'; |
| const String _hasImplicitCasts = '_hasImplicitCasts'; |
| const String _isDynamicInvoke = '_isDynamicInvoke'; |
| |
| /// True if this compilation unit has any implicit casts, otherwise false. |
| /// |
| /// See also [getImplicitCast]. |
| bool hasImplicitCasts(CompilationUnit node) { |
| return node.getProperty/*<bool>*/(_hasImplicitCasts) ?? false; |
| } |
| |
| /// Sets [hasImplicitCasts] property for this compilation unit. |
| void setHasImplicitCasts(CompilationUnit node, bool value) { |
| node.setProperty(_hasImplicitCasts, value == true ? true : null); |
| } |
| |
| /// If this expression has an implicit cast, returns the type it is coerced to, |
| /// otherwise returns null. |
| DartType getImplicitCast(Expression node) { |
| return node.getProperty/*<DartType>*/(_implicitCast); |
| } |
| |
| /// Sets the result of [getImplicitCast] for this node. |
| void setImplicitCast(Expression node, DartType type) { |
| node.setProperty(_implicitCast, type); |
| } |
| |
| /// True if this node is a dynamic operation that requires dispatch and/or |
| /// checking at runtime. |
| bool isDynamicInvoke(Expression node) { |
| return node.getProperty/*<bool>*/(_isDynamicInvoke) ?? false; |
| } |
| |
| /// Sets [isDynamicInvoke] property for this expression |
| void setIsDynamicInvoke(Expression node, bool value) { |
| node.setProperty(_isDynamicInvoke, value == true ? true : null); |
| } |