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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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388 // has a property with the given key; return the key as a string if | 388 // has a property with the given key; return the key as a string if |
389 // it has. Otherwise returns null. Used in for-in statements. | 389 // it has. Otherwise returns null. Used in for-in statements. |
390 function FILTER_KEY(key) { | 390 function FILTER_KEY(key) { |
391 var string = %ToString(key); | 391 var string = %ToString(key); |
392 if (%HasProperty(this, string)) return string; | 392 if (%HasProperty(this, string)) return string; |
393 return null; | 393 return null; |
394 } | 394 } |
395 | 395 |
396 | 396 |
397 function CALL_NON_FUNCTION() { | 397 function CALL_NON_FUNCTION() { |
398 var callee = %GetCalledFunction(); | 398 var delegate = %GetFunctionDelegate(this); |
399 var delegate = %GetFunctionDelegate(callee); | |
400 if (!IS_FUNCTION(delegate)) { | 399 if (!IS_FUNCTION(delegate)) { |
401 throw %MakeTypeError('called_non_callable', [typeof callee]); | 400 throw %MakeTypeError('called_non_callable', [typeof this]); |
402 } | 401 } |
403 | 402 return delegate.apply(this, arguments); |
404 var parameters = %NewArguments(delegate); | |
405 return delegate.apply(callee, parameters); | |
406 } | 403 } |
407 | 404 |
408 | 405 |
409 function CALL_NON_FUNCTION_AS_CONSTRUCTOR() { | 406 function CALL_NON_FUNCTION_AS_CONSTRUCTOR() { |
410 var callee = %GetCalledFunction(); | 407 var delegate = %GetConstructorDelegate(this); |
411 var delegate = %GetConstructorDelegate(callee); | |
412 if (!IS_FUNCTION(delegate)) { | 408 if (!IS_FUNCTION(delegate)) { |
413 throw %MakeTypeError('called_non_callable', [typeof callee]); | 409 throw %MakeTypeError('called_non_callable', [typeof this]); |
414 } | 410 } |
415 | 411 return delegate.apply(this, arguments); |
416 var parameters = %NewArguments(delegate); | |
417 return delegate.apply(callee, parameters); | |
418 } | 412 } |
419 | 413 |
420 | 414 |
421 function APPLY_PREPARE(args) { | 415 function APPLY_PREPARE(args) { |
422 var length; | 416 var length; |
423 // First check whether length is a positive Smi and args is an | 417 // First check whether length is a positive Smi and args is an |
424 // array. This is the fast case. If this fails, we do the slow case | 418 // array. This is the fast case. If this fails, we do the slow case |
425 // that takes care of more eventualities. | 419 // that takes care of more eventualities. |
426 if (IS_ARRAY(args)) { | 420 if (IS_ARRAY(args)) { |
427 length = args.length; | 421 length = args.length; |
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638 throw %MakeTypeError('cannot_convert_to_primitive', []); | 632 throw %MakeTypeError('cannot_convert_to_primitive', []); |
639 } | 633 } |
640 | 634 |
641 | 635 |
642 // NOTE: Setting the prototype for Array must take place as early as | 636 // NOTE: Setting the prototype for Array must take place as early as |
643 // possible due to code generation for array literals. When | 637 // possible due to code generation for array literals. When |
644 // generating code for a array literal a boilerplate array is created | 638 // generating code for a array literal a boilerplate array is created |
645 // that is cloned when running the code. It is essiential that the | 639 // that is cloned when running the code. It is essiential that the |
646 // boilerplate gets the right prototype. | 640 // boilerplate gets the right prototype. |
647 %FunctionSetPrototype($Array, new $Array(0)); | 641 %FunctionSetPrototype($Array, new $Array(0)); |
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