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| 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 | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 // Errors are created and thrown by DartVM only. | |
| 5 // Changes here should also be reflected in corelib/error.dart as well | |
| 6 | |
| 7 class _AssertionErrorImplementation extends AssertionError { | |
| 8 _AssertionErrorImplementation( | |
| 9 this.failedAssertion, this.url, this.line, this.column); | |
| 10 | |
| 11 static _throwNew(int assertionStart, int assertionEnd) | |
| 12 native "AssertionError_throwNew"; | |
| 13 | |
| 14 String toString() { | |
| 15 return "'$url': Failed assertion: line $line pos $column: " | |
| 16 "'$failedAssertion' is not true."; | |
| 17 } | |
| 18 final String failedAssertion; | |
| 19 final String url; | |
| 20 final int line; | |
| 21 final int column; | |
| 22 } | |
| 23 | |
| 24 class _TypeErrorImplementation | |
| 25 extends _AssertionErrorImplementation | |
| 26 implements TypeError { | |
| 27 | |
| 28 _TypeErrorImplementation( | |
| 29 String failedAssertion, String url, int line, int column, | |
| 30 this.srcType, this.dstType, this.dstName, this._malformedError) | |
| 31 : super(failedAssertion, url, line, column); | |
| 32 | |
| 33 static _throwNew(int location, | |
| 34 Object src_value, | |
| 35 String dst_type_name, | |
| 36 String dst_name, | |
| 37 String malformed_error) | |
| 38 native "TypeError_throwNew"; | |
| 39 | |
| 40 String toString() { | |
| 41 String str = (_malformedError != null) ? _malformedError : ""; | |
| 42 if ((dstName != null) && (dstName.length > 0)) { | |
| 43 str = "${str}type '$srcType' is not a subtype of " | |
| 44 "type '$dstType' of '$dstName'."; | |
| 45 } else { | |
| 46 str = "${str}malformed type used."; | |
| 47 } | |
| 48 return str; | |
| 49 } | |
| 50 | |
| 51 final String srcType; | |
| 52 final String dstType; | |
| 53 final String dstName; | |
| 54 final String _malformedError; | |
| 55 } | |
| 56 | |
| 57 class _CastErrorImplementation | |
| 58 extends _TypeErrorImplementation | |
| 59 implements CastError { | |
| 60 | |
| 61 _CastErrorImplementation( | |
| 62 String failedAssertion, String url, int line, int column, | |
| 63 String srcType, String dstType, String dstName, String malformedError) | |
| 64 : super(failedAssertion, url, line, column, | |
| 65 srcType, dstType, dstName, malformedError); | |
| 66 | |
| 67 // A CastError is allocated by TypeError._throwNew() when dst_name equals | |
| 68 // Exceptions::kCastErrorDstName. | |
| 69 String toString() { | |
| 70 String str = (_malformedError != null) ? _malformedError : ""; | |
| 71 if ((dstName != null) && (dstName.length > 0)) { | |
| 72 str = "${str}type '$srcType' is not a subtype of " | |
| 73 "type '$dstType' in type cast."; | |
| 74 } else { | |
| 75 str = "${str}malformed type used in type cast."; | |
| 76 } | |
| 77 return str; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 class _FallThroughErrorImplementation extends FallThroughError { | |
| 82 | |
| 83 _FallThroughErrorImplementation(this._url, this._line); | |
| 84 | |
| 85 static _throwNew(int case_clause_pos) native "FallThroughError_throwNew"; | |
| 86 | |
| 87 String toString() { | |
| 88 return "'$_url': Switch case fall-through at line $_line."; | |
| 89 } | |
| 90 | |
| 91 final String _url; | |
| 92 final int _line; | |
| 93 } | |
| 94 | |
| 95 class _InternalError { | |
| 96 const _InternalError(this._msg); | |
| 97 String toString() => "InternalError: '${_msg}'"; | |
| 98 final String _msg; | |
| 99 } | |
| 100 | |
| 101 | |
| 102 class _AbstractClassInstantiationErrorImplementation | |
| 103 extends AbstractClassInstantiationError { | |
| 104 | |
| 105 _AbstractClassInstantiationErrorImplementation( | |
| 106 String className, this._url, this._line) | |
| 107 : super(className); | |
| 108 | |
| 109 static _throwNew(int case_clause_pos, String className) | |
| 110 native "AbstractClassInstantiationError_throwNew"; | |
| 111 | |
| 112 String toString() { | |
| 113 return "Cannot instantiate abstract class $_className: " | |
| 114 "_url '$_url' line $_line"; | |
| 115 } | |
| 116 | |
| 117 final String _url; | |
| 118 final int _line; | |
| 119 } | |
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Chromium Code Reviews
Issue 21832003:
Fix VM implementation of CastError not to extend TypeError (issue 5280). (Closed)
Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/