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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 patch class Function { | 5 patch class Function { |
| 6 static _apply(List arguments, List names) |
| 7 native "Function_apply"; |
| 8 |
6 /* patch */ static apply(Function function, | 9 /* patch */ static apply(Function function, |
7 List positionalArguments, | 10 List positionalArguments, |
8 [Map<String,dynamic> namedArguments]) { | 11 [Map<String,dynamic> namedArguments]) { |
9 throw new UnimplementedError('Function.apply not implemented'); | 12 int numPositionalArguments = 1 + // Function is first implicit argument. |
| 13 (positionalArguments != null ? positionalArguments.length : 0); |
| 14 int numNamedArguments = namedArguments != null ? namedArguments.length : 0; |
| 15 int numArguments = numPositionalArguments + numNamedArguments; |
| 16 List arguments = new List(numArguments); |
| 17 arguments[0] = function; |
| 18 arguments.setRange(1, numPositionalArguments - 1, positionalArguments); |
| 19 List names = new List(numNamedArguments); |
| 20 int argumentIndex = numPositionalArguments; |
| 21 int nameIndex = 0; |
| 22 if (numNamedArguments > 0) { |
| 23 namedArguments.forEach((name, value) { |
| 24 arguments[argumentIndex++] = value; |
| 25 names[nameIndex++] = name; |
| 26 }); |
| 27 } |
| 28 return _apply(arguments, names); |
10 } | 29 } |
11 } | 30 } |
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