Revision f230a1cf deps/v8/src/typedarray.js

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deps/v8/src/typedarray.js
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// This file relies on the fact that the following declaration has been made
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// in runtime.js:
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// var $Array = global.Array;
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var $ArrayBuffer = global.ArrayBuffer;


  		




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// --------------- Typed Arrays ---------------------


  		




  ......




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  function ConstructByLength(obj, length) {


  		




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    var l = ToPositiveInteger(length, "invalid_typed_array_length");


  		




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    var byteLength = l * elementSize;


  		




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    var buffer = new global.ArrayBuffer(byteLength);


  		




  
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    var buffer = new $ArrayBuffer(byteLength);


  		




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    %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength);


  		




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  }


  		




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  function ConstructByArrayLike(obj, arrayLike) {


  		




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    var length = arrayLike.length;


  		




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    var l =  ToPositiveInteger(length, "invalid_typed_array_length");


  		




  
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    var l = ToPositiveInteger(length, "invalid_typed_array_length");


  		




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    if(!%TypedArrayInitializeFromArrayLike(obj, arrayId, arrayLike, l)) {


  		




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      for (var i = 0; i < l; i++) {


  		




  
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        // It is crucial that we let any execptions from arrayLike[i]


  		




  
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        // propagate outside the function.


  		




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        obj[i] = arrayLike[i];


  		




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      }


  		




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    }


  		












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