mirror of
https://github.com/dart-lang/sdk
synced 2024-09-19 14:32:49 +00:00
1a6d1eca32
Allow members of patch classes to be annotated with @patch. The VM ignores the annotation. I simply replaces the original method if the name matches, or reports an error if field names match. Adding a bit is_patched to members to do more checking remains a TODO. There are currently no unused bits available, and I don’t want to increase the size of Function objects for this. BUG= R=asiva@google.com Review URL: https://codereview.chromium.org/2230383003 .
31 lines
1.2 KiB
Dart
31 lines
1.2 KiB
Dart
// 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.
|
|
|
|
@patch class Function {
|
|
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);
|
|
}
|
|
}
|