dart-sass/lib/src/ast/sass/argument_invocation.dart
Natalie Weizenbaum 4e0a511570 Add mixins.
2016-08-30 15:51:22 -07:00

42 lines
1.2 KiB
Dart

// Copyright 2016 Google Inc. Use of this source code is governed by an
// MIT-style license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.
import 'package:source_span/source_span.dart';
import 'expression.dart';
import 'node.dart';
class ArgumentInvocation implements SassNode {
final List<Expression> positional;
final Map<String, Expression> named;
final Expression rest;
final Expression keywordRest;
final FileSpan span;
ArgumentInvocation(Iterable<Expression> positional,
Map<String, Expression> named, {this.rest, this.keywordRest, this.span})
: positional = new List.unmodifiable(positional),
named = new Map.unmodifiable(named) {
assert(rest != null || keywordRest == null);
}
ArgumentInvocation.empty({this.span})
: positional = const [],
named = const {},
rest = null,
keywordRest = null;
String toString() {
var components = new List<Object>.from(positional)
..addAll(named.keys.map((name) => "$name: ${named[name]}"));
if (rest != null) components.add("$rest...");
if (keywordRest != null) components.add("$keywordRest...");
return "(${components.join(', ')})";
}
}