Error stack strawman

[John Lenz]

Mark Knichel has a lot of information regarding stacks and error handling
in various browsers here:  https://github.com/mknichel/javascript-errors

On Wed, Feb 17, 2016 at 4:19 PM, Gary Guo <nbdd0121 at hotmail.com> wrote:

> The strawman looks very old, so I've created a new one.
>
> Repo: https://github.com/nbdd0121/es-error-stack
>
> I've collected many information about current implementation from IE,
> Edge, Chrome and Firefox, but missing Safari's. Many thanks if some one can
> collect these info and create a pull request.
>
> I haven't write anything for API part, as you will see from the "concerns"
> part, there are many edge cases to be considered: cross-realm, native,
> global, eval, new Function, anonymous and tail call. All of these need to
> be resolved before we can trying to design an object representation of
> stack frame.
>
> Personally I suggest "(global code)" for global, "(eval code)"  for eval,
> "(Function code)" for new Function, "(anonymous function)" for anonymous
> function/lambda. For native call, we can simply replace filename & line &
> column by "(native)". For tail call I suggest add "(tail)" some where. I
> also suggest adding "(other realm)" or something alike to indicate realm
> boundary is crossed.
>
> For object representation, I hope something like
> ```
> {
>   name: 'string', // (global code), etc for special case, with parenthesis
>   source: 'url', // (native) for native code, with parenthesis
>   line: 'integer',
>   column: 'integer',
>   isTail: 'boolean'
> }
> ```
> And null entry indicating crossing realm. BTW, shall we add reference to
> function in the object representation?
>
> Gary Guo
>
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