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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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368 var V = this; | 368 var V = this; |
369 if (!IS_SPEC_FUNCTION(F)) { | 369 if (!IS_SPEC_FUNCTION(F)) { |
370 throw %MakeTypeError('instanceof_function_expected', [V]); | 370 throw %MakeTypeError('instanceof_function_expected', [V]); |
371 } | 371 } |
372 | 372 |
373 // If V is not an object, return false. | 373 // If V is not an object, return false. |
374 if (!IS_SPEC_OBJECT(V)) { | 374 if (!IS_SPEC_OBJECT(V)) { |
375 return 1; | 375 return 1; |
376 } | 376 } |
377 | 377 |
| 378 // Check if function is bound, if so, get [[BoundFunction]] from it |
| 379 // and use that instead of F. |
| 380 var bindings = %BoundFunctionGetBindings(F); |
| 381 if (bindings) { |
| 382 F = bindings[kBoundFunctionIndex]; // Always a non-bound function. |
| 383 } |
378 // Get the prototype of F; if it is not an object, throw an error. | 384 // Get the prototype of F; if it is not an object, throw an error. |
379 var O = F.prototype; | 385 var O = F.prototype; |
380 if (!IS_SPEC_OBJECT(O)) { | 386 if (!IS_SPEC_OBJECT(O)) { |
381 throw %MakeTypeError('instanceof_nonobject_proto', [O]); | 387 throw %MakeTypeError('instanceof_nonobject_proto', [O]); |
382 } | 388 } |
383 | 389 |
384 // Return whether or not O is in the prototype chain of V. | 390 // Return whether or not O is in the prototype chain of V. |
385 return %IsInPrototypeChain(O, V) ? 0 : 1; | 391 return %IsInPrototypeChain(O, V) ? 0 : 1; |
386 } | 392 } |
387 | 393 |
388 | 394 |
389 // Get an array of property keys for the given object. Used in | |
390 // for-in statements. | |
391 function GET_KEYS() { | |
392 return %GetPropertyNames(this); | |
393 } | |
394 | |
395 | |
396 // Filter a given key against an object by checking if the object | 395 // Filter a given key against an object by checking if the object |
397 // has a property with the given key; return the key as a string if | 396 // has a property with the given key; return the key as a string if |
398 // it has. Otherwise returns 0 (smi). Used in for-in statements. | 397 // it has. Otherwise returns 0 (smi). Used in for-in statements. |
399 function FILTER_KEY(key) { | 398 function FILTER_KEY(key) { |
400 var string = %ToString(key); | 399 var string = %ToString(key); |
401 if (%HasProperty(this, string)) return string; | 400 if (%HasProperty(this, string)) return string; |
402 return 0; | 401 return 0; |
403 } | 402 } |
404 | 403 |
405 | 404 |
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456 // multiplying with pointer size. | 455 // multiplying with pointer size. |
457 if (length > 0x800000) { | 456 if (length > 0x800000) { |
458 throw %MakeRangeError('stack_overflow', []); | 457 throw %MakeRangeError('stack_overflow', []); |
459 } | 458 } |
460 | 459 |
461 if (!IS_SPEC_FUNCTION(this)) { | 460 if (!IS_SPEC_FUNCTION(this)) { |
462 throw %MakeTypeError('apply_non_function', [ %ToString(this), typeof this ])
; | 461 throw %MakeTypeError('apply_non_function', [ %ToString(this), typeof this ])
; |
463 } | 462 } |
464 | 463 |
465 // Make sure the arguments list has the right type. | 464 // Make sure the arguments list has the right type. |
466 if (args != null && !IS_ARRAY(args) && !IS_ARGUMENTS(args)) { | 465 if (args != null && !IS_SPEC_OBJECT(args)) { |
467 throw %MakeTypeError('apply_wrong_args', []); | 466 throw %MakeTypeError('apply_wrong_args', []); |
468 } | 467 } |
469 | 468 |
470 // Return the length which is the number of arguments to copy to the | 469 // Return the length which is the number of arguments to copy to the |
471 // stack. It is guaranteed to be a small integer at this point. | 470 // stack. It is guaranteed to be a small integer at this point. |
472 return length; | 471 return length; |
473 } | 472 } |
474 | 473 |
475 | 474 |
476 function APPLY_OVERFLOW(length) { | 475 function APPLY_OVERFLOW(length) { |
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658 throw %MakeTypeError('cannot_convert_to_primitive', []); | 657 throw %MakeTypeError('cannot_convert_to_primitive', []); |
659 } | 658 } |
660 | 659 |
661 | 660 |
662 // NOTE: Setting the prototype for Array must take place as early as | 661 // NOTE: Setting the prototype for Array must take place as early as |
663 // possible due to code generation for array literals. When | 662 // possible due to code generation for array literals. When |
664 // generating code for a array literal a boilerplate array is created | 663 // generating code for a array literal a boilerplate array is created |
665 // that is cloned when running the code. It is essential that the | 664 // that is cloned when running the code. It is essential that the |
666 // boilerplate gets the right prototype. | 665 // boilerplate gets the right prototype. |
667 %FunctionSetPrototype($Array, new $Array(0)); | 666 %FunctionSetPrototype($Array, new $Array(0)); |
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