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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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287 | 287 |
288 | 288 |
289 // ECMA-262, section 11.10, page 57. | 289 // ECMA-262, section 11.10, page 57. |
290 function BIT_XOR(y) { | 290 function BIT_XOR(y) { |
291 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); | 291 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); |
292 if (!IS_NUMBER(y)) y = %NonNumberToNumber(y); | 292 if (!IS_NUMBER(y)) y = %NonNumberToNumber(y); |
293 return %NumberXor(x, y); | 293 return %NumberXor(x, y); |
294 } | 294 } |
295 | 295 |
296 | 296 |
297 // ECMA-262, section 11.4.7, page 47. | |
298 function UNARY_MINUS() { | |
299 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); | |
300 return %NumberUnaryMinus(x); | |
301 } | |
302 | |
303 | |
304 // ECMA-262, section 11.4.8, page 48. | 297 // ECMA-262, section 11.4.8, page 48. |
305 function BIT_NOT() { | 298 function BIT_NOT() { |
306 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); | 299 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); |
307 return %NumberNot(x); | 300 return %NumberNot(x); |
308 } | 301 } |
309 | 302 |
310 | 303 |
311 // ECMA-262, section 11.7.1, page 51. | 304 // ECMA-262, section 11.7.1, page 51. |
312 function SHL(y) { | 305 function SHL(y) { |
313 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); | 306 var x = IS_NUMBER(this) ? this : %NonNumberToNumber(this); |
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681 return i; | 674 return i; |
682 } | 675 } |
683 | 676 |
684 | 677 |
685 // NOTE: Setting the prototype for Array must take place as early as | 678 // NOTE: Setting the prototype for Array must take place as early as |
686 // possible due to code generation for array literals. When | 679 // possible due to code generation for array literals. When |
687 // generating code for a array literal a boilerplate array is created | 680 // generating code for a array literal a boilerplate array is created |
688 // that is cloned when running the code. It is essential that the | 681 // that is cloned when running the code. It is essential that the |
689 // boilerplate gets the right prototype. | 682 // boilerplate gets the right prototype. |
690 %FunctionSetPrototype($Array, new $Array(0)); | 683 %FunctionSetPrototype($Array, new $Array(0)); |
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