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JacobFierro
JacobFierro
/ keybase.md
Created
March 7, 2014 04:29
JacobFierro
/ gist:5329526
Last active
December 15, 2015 21:59
some research notes for use in a blog post. trying to understand how 'undefined' is implemented in the v8 engine
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| //objects-inl.h | |
| // undefined is a Primitive, which inherits from Object | |
| bool Object::IsUndefined() { | |
| return IsOddball() && Oddball::cast(this)->kind() == Oddball::kUndefined; | |
| } | |
| // what's an Oddball and where is kUndefined defined and what is it set to? | |
| /* | |
| objects.h:8213 |
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