Peter von der Ahé
e8aef37eac
Change-Id: Ie436375c78496366accf0ba82938e54cbe30b143 Reviewed-on: https://dart-review.googlesource.com/3001 Commit-Queue: Peter von der Ahé <ahe@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
34 lines
1.3 KiB
Dart
34 lines
1.3 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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// part of "core_patch.dart";
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@patch
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class Function {
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// TODO(regis): Pass type arguments to generic functions. Wait for API spec.
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static _apply(List arguments, List names) native "Function_apply";
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@patch
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static apply(Function function, List positionalArguments,
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[Map<Symbol, dynamic> namedArguments]) {
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int numPositionalArguments = 1 + // Function is first implicit argument.
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(positionalArguments != null ? positionalArguments.length : 0);
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int numNamedArguments = namedArguments != null ? namedArguments.length : 0;
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int numArguments = numPositionalArguments + numNamedArguments;
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List arguments = new List(numArguments);
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arguments[0] = function;
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arguments.setRange(1, numPositionalArguments, positionalArguments);
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List names = new List(numNamedArguments);
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int argumentIndex = numPositionalArguments;
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int nameIndex = 0;
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if (numNamedArguments > 0) {
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namedArguments.forEach((name, value) {
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arguments[argumentIndex++] = value;
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names[nameIndex++] = internal.Symbol.getName(name);
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});
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}
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return _apply(arguments, names);
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}
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}
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