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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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| 424       return length; | 424       return length; | 
| 425     } | 425     } | 
| 426   } | 426   } | 
| 427 | 427 | 
| 428   length = (args == null) ? 0 : %ToUint32(args.length); | 428   length = (args == null) ? 0 : %ToUint32(args.length); | 
| 429 | 429 | 
| 430   // We can handle any number of apply arguments if the stack is | 430   // We can handle any number of apply arguments if the stack is | 
| 431   // big enough, but sanity check the value to avoid overflow when | 431   // big enough, but sanity check the value to avoid overflow when | 
| 432   // multiplying with pointer size. | 432   // multiplying with pointer size. | 
| 433   if (length > 0x800000) { | 433   if (length > 0x800000) { | 
| 434     throw %MakeRangeError('apply_overflow', [length]); | 434     throw %MakeRangeError('stack_overflow', []); | 
| 435   } | 435   } | 
| 436 | 436 | 
| 437   if (!IS_FUNCTION(this)) { | 437   if (!IS_FUNCTION(this)) { | 
| 438     throw %MakeTypeError('apply_non_function', [ %ToString(this), typeof this ])
     ; | 438     throw %MakeTypeError('apply_non_function', [ %ToString(this), typeof this ])
     ; | 
| 439   } | 439   } | 
| 440 | 440 | 
| 441   // Make sure the arguments list has the right type. | 441   // Make sure the arguments list has the right type. | 
| 442   if (args != null && !IS_ARRAY(args) && !IS_ARGUMENTS(args)) { | 442   if (args != null && !IS_ARRAY(args) && !IS_ARGUMENTS(args)) { | 
| 443     throw %MakeTypeError('apply_wrong_args', []); | 443     throw %MakeTypeError('apply_wrong_args', []); | 
| 444   } | 444   } | 
| 445 | 445 | 
| 446   // Return the length which is the number of arguments to copy to the | 446   // Return the length which is the number of arguments to copy to the | 
| 447   // stack. It is guaranteed to be a small integer at this point. | 447   // stack. It is guaranteed to be a small integer at this point. | 
| 448   return length; | 448   return length; | 
| 449 } | 449 } | 
| 450 | 450 | 
| 451 | 451 | 
| 452 function APPLY_OVERFLOW(length) { | 452 function APPLY_OVERFLOW(length) { | 
| 453   throw %MakeRangeError('apply_overflow', [length]); | 453   throw %MakeRangeError('stack_overflow', []); | 
| 454 } | 454 } | 
| 455 | 455 | 
| 456 | 456 | 
| 457 // Convert the receiver to an object - forward to ToObject. | 457 // Convert the receiver to an object - forward to ToObject. | 
| 458 function TO_OBJECT() { | 458 function TO_OBJECT() { | 
| 459   return %ToObject(this); | 459   return %ToObject(this); | 
| 460 } | 460 } | 
| 461 | 461 | 
| 462 | 462 | 
| 463 // Convert the receiver to a number - forward to ToNumber. | 463 // Convert the receiver to a number - forward to ToNumber. | 
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| 624   throw %MakeTypeError('cannot_convert_to_primitive', []); | 624   throw %MakeTypeError('cannot_convert_to_primitive', []); | 
| 625 } | 625 } | 
| 626 | 626 | 
| 627 | 627 | 
| 628 // NOTE: Setting the prototype for Array must take place as early as | 628 // NOTE: Setting the prototype for Array must take place as early as | 
| 629 // possible due to code generation for array literals.  When | 629 // possible due to code generation for array literals.  When | 
| 630 // generating code for a array literal a boilerplate array is created | 630 // generating code for a array literal a boilerplate array is created | 
| 631 // that is cloned when running the code.  It is essiential that the | 631 // that is cloned when running the code.  It is essiential that the | 
| 632 // boilerplate gets the right prototype. | 632 // boilerplate gets the right prototype. | 
| 633 %FunctionSetPrototype($Array, new $Array(0)); | 633 %FunctionSetPrototype($Array, new $Array(0)); | 
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