Re: Tree-sitter api

[Yuan Fu]

>> 
>>> Would you please ping the authors and tell them that this single issue
>>> prevents us from integrating TS into Emacs?  Maybe that would change
>>> their priorities.  I cannot imagine that the feature we are asking is
>>> hard to implement.
>> 
>> That feature in itself won't be enough.  Even with it, TreeSitter will have 
>> the same problem as GMP: allocation isn't allowed to fail, and longjmp'ing 
>> out of it isn't allowed and generally causes undefined behavior.
> 
> It may not be enough to satisfy purists, but it's enough to allow the
> user to save the session and shut down Emacs in an orderly fashion,
> instead of abruptly exiting and losing all the edits.

Uses can set tree-sitter-maximum-size to limit memory usage of tree-sitter. 
Buffers with size larger than that cannot enable tree-sitter. That doesn’t 
solve the problem directly but should let users avoid allocation failing most 
of the time.

Yuan