lrn@google.com
f52c24b62f
Moved NoSuchMethodError to errors.dart. No changes in co19 tests, but test status updated. Review URL: https://chromiumcodereview.appspot.com//10909166 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@12172 260f80e4-7a28-3924-810f-c04153c831b5
83 lines
2.6 KiB
Dart
83 lines
2.6 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class Error {
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const Error();
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}
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class AssertionError implements Error {
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}
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class TypeError implements AssertionError {
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}
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// TODO(lrn): Rename to CastError according to specification.
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class CastException implements Error {
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}
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class FallThroughError implements Error {
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const FallThroughError();
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}
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class AbstractClassInstantiationError {
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}
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/**
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* Error thrown by the default implementation of [:noSuchMethod:] on [Object].
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*/
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class NoSuchMethodError implements Error {
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final Object _receiver;
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final String _functionName;
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final List _arguments;
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final List _existingArgumentNames;
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/**
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* Create a [NoSuchMethodError] corresponding to a failed method call.
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*
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* The first parameter is the receiver of the method call.
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* The second parameter is the name of the called method.
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* The third parameter is the positional arguments that the method was
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* called with.
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* The optional [exisitingArgumentNames] is the expected parameters of a
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* method with the same name on the receiver, if available. This is
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* the method that would have been called if the parameters had matched.
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*
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* TODO(lrn): This will be rewritten to use mirrors when they are available.
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*/
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const NoSuchMethodError(Object this._receiver,
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String this._functionName,
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List this._arguments,
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[List existingArgumentNames = null])
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: this._existingArgumentNames = existingArgumentNames;
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String toString() {
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StringBuffer sb = new StringBuffer();
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for (int i = 0; i < _arguments.length; i++) {
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if (i > 0) {
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sb.add(", ");
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}
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sb.add(_arguments[i]);
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}
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if (_existingArgumentNames === null) {
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return "NoSuchMethodError : method not found: '$_functionName'\n"
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"Receiver: $_receiver\n"
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"Arguments: [$sb]";
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} else {
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String actualParameters = sb.toString();
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sb = new StringBuffer();
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for (int i = 0; i < _existingArgumentNames.length; i++) {
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if (i > 0) {
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sb.add(", ");
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}
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sb.add(_existingArgumentNames[i]);
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}
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String formalParameters = sb.toString();
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return "NoSuchMethodError: incorrect number of arguments passed to "
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"method named '$_functionName'\nReceiver: $_receiver\n"
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"Tried calling: $_functionName($actualParameters)\n"
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"Found: $_functionName($formalParameters)";
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}
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}
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}
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