blob: 0c88b4e1d9b3bc3a97e2fbf3afce8eecafe5661e [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// part of "core_patch.dart";
@patch
class Function {
// TODO(regis): Pass type arguments to generic functions. Wait for API spec.
static _apply(List arguments, List names) native "Function_apply";
@patch
static apply(Function function, List positionalArguments,
[Map<Symbol, dynamic> namedArguments]) {
int numPositionalArguments = 1 + // Function is first implicit argument.
(positionalArguments != null ? positionalArguments.length : 0);
int numNamedArguments = namedArguments != null ? namedArguments.length : 0;
int numArguments = numPositionalArguments + numNamedArguments;
List arguments = new List(numArguments);
arguments[0] = function;
arguments.setRange(1, numPositionalArguments, positionalArguments);
List names = new List(numNamedArguments);
int argumentIndex = numPositionalArguments;
int nameIndex = 0;
if (numNamedArguments > 0) {
namedArguments.forEach((name, value) {
arguments[argumentIndex++] = value;
names[nameIndex++] = internal.Symbol.getName(name);
});
}
return _apply(arguments, names);
}
}