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49 lines
1.5 KiB
Dart
49 lines
1.5 KiB
Dart
// Copyright 2016 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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import 'dart:collection';
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import 'package:collection/collection.dart';
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import 'callable.dart';
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import 'functions/color.dart' as color;
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import 'functions/list.dart' as list;
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import 'functions/map.dart' as map;
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import 'functions/math.dart' as math;
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import 'functions/meta.dart' as meta;
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import 'functions/selector.dart' as selector;
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import 'functions/string.dart' as string;
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/// Sass core functions that are globally available.
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///
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/// This excludes a few functions that need access to the evaluation context;
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/// these are defined in `_EvaluateVisitor`.
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final List<BuiltInCallable> globalFunctions = UnmodifiableListView([
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...color.global,
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...list.global,
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...map.global,
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...math.global,
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...selector.global,
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...string.global,
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...meta.global,
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// This is only invoked using `call()`. Hand-authored `if()`s are parsed as
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// [IfExpression]s.
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BuiltInCallable("if", r"$condition, $if-true, $if-false",
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(arguments) => arguments[0].isTruthy ? arguments[1] : arguments[2]),
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]);
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/// Sass's core library modules.
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///
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/// This doesn't include the `meta` module, because that needs additional
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/// functions that can only be defined in the evaluator itself.
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final coreModules = UnmodifiableListView([
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color.module,
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list.module,
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map.module,
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math.module,
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selector.module,
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string.module
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]);
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