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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /// Properties that result from Strong Mode analysis on an AST. | 5 /// Properties that result from Strong Mode analysis on an AST. |
6 /// | 6 /// |
7 /// These properties are not public, but provided by use of back-ends such as | 7 /// These properties are not public, but provided by use of back-ends such as |
8 /// Dart Dev Compiler. | 8 /// Dart Dev Compiler. |
9 | |
10 import 'package:analyzer/analyzer.dart'; | 9 import 'package:analyzer/analyzer.dart'; |
11 import 'package:analyzer/dart/element/type.dart'; | 10 import 'package:analyzer/dart/element/type.dart'; |
12 | 11 |
| 12 const String _hasImplicitCasts = '_hasImplicitCasts'; |
13 const String _implicitAssignmentCast = '_implicitAssignmentCast'; | 13 const String _implicitAssignmentCast = '_implicitAssignmentCast'; |
14 const String _implicitCast = '_implicitCast'; | 14 const String _implicitCast = '_implicitCast'; |
15 const String _hasImplicitCasts = '_hasImplicitCasts'; | |
16 const String _isDynamicInvoke = '_isDynamicInvoke'; | 15 const String _isDynamicInvoke = '_isDynamicInvoke'; |
17 | 16 |
18 /// True if this compilation unit has any implicit casts, otherwise false. | 17 /// If this op-assign has an implicit cast on the assignment, returns the type |
19 /// | 18 /// it is coerced to, otherwise returns null. |
20 /// See also [getImplicitCast]. | 19 DartType getImplicitAssignmentCast(Expression node) { |
21 bool hasImplicitCasts(CompilationUnit node) { | 20 return node.getProperty/*<DartType>*/(_implicitAssignmentCast); |
22 return node.getProperty/*<bool>*/(_hasImplicitCasts) ?? false; | |
23 } | |
24 | |
25 /// Sets [hasImplicitCasts] property for this compilation unit. | |
26 void setHasImplicitCasts(CompilationUnit node, bool value) { | |
27 node.setProperty(_hasImplicitCasts, value == true ? true : null); | |
28 } | 21 } |
29 | 22 |
30 /// If this expression has an implicit cast, returns the type it is coerced to, | 23 /// If this expression has an implicit cast, returns the type it is coerced to, |
31 /// otherwise returns null. | 24 /// otherwise returns null. |
32 DartType getImplicitCast(Expression node) { | 25 DartType getImplicitCast(Expression node) { |
33 return node.getProperty/*<DartType>*/(_implicitCast); | 26 return node.getProperty/*<DartType>*/(_implicitCast); |
34 } | 27 } |
35 | 28 |
36 /// Sets the result of [getImplicitCast] for this node. | 29 /// True if this compilation unit has any implicit casts, otherwise false. |
37 void setImplicitCast(Expression node, DartType type) { | 30 /// |
38 node.setProperty(_implicitCast, type); | 31 /// See also [getImplicitCast]. |
| 32 bool hasImplicitCasts(CompilationUnit node) { |
| 33 return node.getProperty/*<bool>*/(_hasImplicitCasts) ?? false; |
39 } | 34 } |
40 | 35 |
41 /// If this op-assign has an implicit cast on the assignment, returns the type | 36 /// True if this node is a dynamic operation that requires dispatch and/or |
42 /// it is coerced to, otherwise returns null. | 37 /// checking at runtime. |
43 DartType getImplicitAssignmentCast(Expression node) { | 38 bool isDynamicInvoke(Expression node) { |
44 return node.getProperty/*<DartType>*/(_implicitAssignmentCast); | 39 return node.getProperty/*<bool>*/(_isDynamicInvoke) ?? false; |
| 40 } |
| 41 |
| 42 /// Sets [hasImplicitCasts] property for this compilation unit. |
| 43 void setHasImplicitCasts(CompilationUnit node, bool value) { |
| 44 node.setProperty(_hasImplicitCasts, value == true ? true : null); |
45 } | 45 } |
46 | 46 |
47 /// Sets the result of [getImplicitAssignmentCast] for this node. | 47 /// Sets the result of [getImplicitAssignmentCast] for this node. |
48 void setImplicitAssignmentCast(Expression node, DartType type) { | 48 void setImplicitAssignmentCast(Expression node, DartType type) { |
49 node.setProperty(_implicitAssignmentCast, type); | 49 node.setProperty(_implicitAssignmentCast, type); |
50 } | 50 } |
51 | 51 |
52 /// True if this node is a dynamic operation that requires dispatch and/or | 52 /// Sets the result of [getImplicitCast] for this node. |
53 /// checking at runtime. | 53 void setImplicitCast(Expression node, DartType type) { |
54 bool isDynamicInvoke(Expression node) { | 54 node.setProperty(_implicitCast, type); |
55 return node.getProperty/*<bool>*/(_isDynamicInvoke) ?? false; | |
56 } | 55 } |
57 | 56 |
58 /// Sets [isDynamicInvoke] property for this expression | 57 /// Sets [isDynamicInvoke] property for this expression |
59 void setIsDynamicInvoke(Expression node, bool value) { | 58 void setIsDynamicInvoke(Expression node, bool value) { |
60 node.setProperty(_isDynamicInvoke, value == true ? true : null); | 59 node.setProperty(_isDynamicInvoke, value == true ? true : null); |
61 } | 60 } |
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