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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library _js_helper; | 5 library _js_helper; |
6 | 6 |
7 import 'dart:_async_await_error_codes' as async_error_codes; | 7 import 'dart:_async_await_error_codes' as async_error_codes; |
8 | 8 |
9 import 'dart:_js_embedded_names' show | 9 import 'dart:_js_embedded_names' show |
10 DEFERRED_LIBRARY_URIS, | 10 DEFERRED_LIBRARY_URIS, |
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293 bool get isAccessor => _kind != METHOD; | 293 bool get isAccessor => _kind != METHOD; |
294 | 294 |
295 List get positionalArguments { | 295 List get positionalArguments { |
296 if (isGetter) return const []; | 296 if (isGetter) return const []; |
297 var argumentCount = _arguments.length - _namedArgumentNames.length; | 297 var argumentCount = _arguments.length - _namedArgumentNames.length; |
298 if (argumentCount == 0) return const []; | 298 if (argumentCount == 0) return const []; |
299 var list = []; | 299 var list = []; |
300 for (var index = 0 ; index < argumentCount ; index++) { | 300 for (var index = 0 ; index < argumentCount ; index++) { |
301 list.add(_arguments[index]); | 301 list.add(_arguments[index]); |
302 } | 302 } |
303 return JSArray.markUnmodifiableList(list); | 303 return makeLiteralListConst(list); |
304 } | 304 } |
305 | 305 |
306 Map<Symbol, dynamic> get namedArguments { | 306 Map<Symbol, dynamic> get namedArguments { |
307 if (isAccessor) return const <Symbol, dynamic>{}; | 307 // TODO: Make maps const (issue 10471) |
| 308 if (isAccessor) return <Symbol, dynamic>{}; |
308 int namedArgumentCount = _namedArgumentNames.length; | 309 int namedArgumentCount = _namedArgumentNames.length; |
309 int namedArgumentsStartIndex = _arguments.length - namedArgumentCount; | 310 int namedArgumentsStartIndex = _arguments.length - namedArgumentCount; |
310 if (namedArgumentCount == 0) return const <Symbol, dynamic>{}; | 311 if (namedArgumentCount == 0) return <Symbol, dynamic>{}; |
311 var map = new Map<Symbol, dynamic>(); | 312 var map = new Map<Symbol, dynamic>(); |
312 for (int i = 0; i < namedArgumentCount; i++) { | 313 for (int i = 0; i < namedArgumentCount; i++) { |
313 map[new _symbol_dev.Symbol.unvalidated(_namedArgumentNames[i])] = | 314 map[new _symbol_dev.Symbol.unvalidated(_namedArgumentNames[i])] = |
314 _arguments[namedArgumentsStartIndex + i]; | 315 _arguments[namedArgumentsStartIndex + i]; |
315 } | 316 } |
316 return new ConstantMapView<Symbol, dynamic>(map); | 317 return map; |
317 } | 318 } |
318 | 319 |
319 _getCachedInvocation(Object object) { | 320 _getCachedInvocation(Object object) { |
320 var interceptor = getInterceptor(object); | 321 var interceptor = getInterceptor(object); |
321 var receiver = object; | 322 var receiver = object; |
322 var name = _internalName; | 323 var name = _internalName; |
323 var arguments = _arguments; | 324 var arguments = _arguments; |
324 var interceptedNames = JS_EMBEDDED_GLOBAL('', INTERCEPTED_NAMES); | 325 var interceptedNames = JS_EMBEDDED_GLOBAL('', INTERCEPTED_NAMES); |
325 bool isIntercepted = | 326 bool isIntercepted = |
326 JS("bool", 'Object.prototype.hasOwnProperty.call(#, #)', | 327 JS("bool", 'Object.prototype.hasOwnProperty.call(#, #)', |
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1497 /** | 1498 /** |
1498 * This wraps the exception and does the throw. It is possible to call this in | 1499 * This wraps the exception and does the throw. It is possible to call this in |
1499 * a JS expression context, where the throw statement is not allowed. Helpers | 1500 * a JS expression context, where the throw statement is not allowed. Helpers |
1500 * are never inlined, so we don't risk inlining the throw statement into an | 1501 * are never inlined, so we don't risk inlining the throw statement into an |
1501 * expression context. | 1502 * expression context. |
1502 */ | 1503 */ |
1503 throwExpression(ex) { | 1504 throwExpression(ex) { |
1504 JS('void', 'throw #', wrapException(ex)); | 1505 JS('void', 'throw #', wrapException(ex)); |
1505 } | 1506 } |
1506 | 1507 |
| 1508 makeLiteralListConst(list) { |
| 1509 JS('bool', r'#.immutable$list = #', list, true); |
| 1510 JS('bool', r'#.fixed$length = #', list, true); |
| 1511 return list; |
| 1512 } |
| 1513 |
1507 throwRuntimeError(message) { | 1514 throwRuntimeError(message) { |
1508 throw new RuntimeError(message); | 1515 throw new RuntimeError(message); |
1509 } | 1516 } |
1510 | 1517 |
1511 throwAbstractClassInstantiationError(className) { | 1518 throwAbstractClassInstantiationError(className) { |
1512 throw new AbstractClassInstantiationError(className); | 1519 throw new AbstractClassInstantiationError(className); |
1513 } | 1520 } |
1514 | 1521 |
1515 // This is used in open coded for-in loops on arrays. | 1522 // This is used in open coded for-in loops on arrays. |
1516 // | 1523 // |
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4122 // This is a function that will return a helper function that does the | 4129 // This is a function that will return a helper function that does the |
4123 // iteration of the sync*. | 4130 // iteration of the sync*. |
4124 // | 4131 // |
4125 // Each invocation should give a body with fresh state. | 4132 // Each invocation should give a body with fresh state. |
4126 final dynamic /* js function */ _outerHelper; | 4133 final dynamic /* js function */ _outerHelper; |
4127 | 4134 |
4128 SyncStarIterable(this._outerHelper); | 4135 SyncStarIterable(this._outerHelper); |
4129 | 4136 |
4130 Iterator get iterator => new SyncStarIterator(JS('', '#()', _outerHelper)); | 4137 Iterator get iterator => new SyncStarIterator(JS('', '#()', _outerHelper)); |
4131 } | 4138 } |
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