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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 // Exceptions are thrown either by the VM or from Dart code. | 5 // Exceptions are thrown either by the VM or from Dart code. |
6 | 6 |
7 /** | 7 /** |
8 * A marker interface implemented by all core library exceptions. | 8 * A marker interface implemented by all core library exceptions. |
9 * | 9 * |
10 * An [Exception] is intended to convey information to the user about a failure, | 10 * An [Exception] is intended to convey information to the user about a failure, |
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45 | 45 |
46 /** | 46 /** |
47 * Creates a new FormatException with an optional error [message]. | 47 * Creates a new FormatException with an optional error [message]. |
48 */ | 48 */ |
49 const FormatException([this.message = ""]); | 49 const FormatException([this.message = ""]); |
50 | 50 |
51 String toString() => "FormatException: $message"; | 51 String toString() => "FormatException: $message"; |
52 } | 52 } |
53 | 53 |
54 | 54 |
55 class NullPointerException implements Exception { | |
56 const NullPointerException([this.functionName, this.arguments = const []]); | |
57 String toString() { | |
58 if (functionName == null) { | |
59 return exceptionName; | |
60 } else { | |
61 return "$exceptionName : method: '$functionName'\n" | |
62 "Receiver: null\n" | |
63 "Arguments: $arguments"; | |
64 } | |
65 } | |
66 | |
67 String get exceptionName => "NullPointerException"; | |
68 | |
69 final String functionName; | |
70 final List arguments; | |
71 } | |
72 | |
73 | |
74 class IllegalJSRegExpException implements Exception { | 55 class IllegalJSRegExpException implements Exception { |
75 const IllegalJSRegExpException(String this._pattern, String this._errmsg); | 56 const IllegalJSRegExpException(String this._pattern, String this._errmsg); |
76 String toString() => "IllegalJSRegExpException: '$_pattern' '$_errmsg'"; | 57 String toString() => "IllegalJSRegExpException: '$_pattern' '$_errmsg'"; |
77 final String _pattern; | 58 final String _pattern; |
78 final String _errmsg; | 59 final String _errmsg; |
79 } | 60 } |
80 | 61 |
81 | 62 |
82 class IntegerDivisionByZeroException implements Exception { | 63 class IntegerDivisionByZeroException implements Exception { |
83 const IntegerDivisionByZeroException(); | 64 const IntegerDivisionByZeroException(); |
84 String toString() => "IntegerDivisionByZeroException"; | 65 String toString() => "IntegerDivisionByZeroException"; |
85 } | 66 } |
86 | 67 |
87 /** | 68 /** |
88 * Exception thrown when a runtime error occurs. | 69 * Exception thrown when a runtime error occurs. |
89 */ | 70 */ |
90 class RuntimeError implements Exception { | 71 class RuntimeError implements Exception { |
91 final message; | 72 final message; |
92 RuntimeError(this.message); | 73 RuntimeError(this.message); |
93 String toString() => "RuntimeError: $message"; | 74 String toString() => "RuntimeError: $message"; |
94 } | 75 } |
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