Re: Dynamic loading progress

[Eli Zaretskii]

> Date: Sat, 14 Feb 2015 18:02:22 +0200
> From: Eli Zaretskii <address@hidden>
> Cc: address@hidden
> 
> > From: Stephen Leake <address@hidden>
> > Date: Sat, 14 Feb 2015 09:32:54 -0600
> > 
> > Emacs ada-mode does indentation in two steps; first it parses the source
> > code, and the parser actions are lisp functions that eventually call
> > put-text-property to store information about the syntax and/or semantics
> > on many identifiers. Then the indentation code uses those text
> > properties to compute indentation.
> > 
> > I have a generalized LALR parser implemented in elisp that is fast
> > enough for many user's Ada files, but some users have much bigger files,
> > and it takes them 10 seconds to parse. So I need a faster
> > implementation. So far my benchmarking says I can get close with a
> > machine compiled parser.
> > 
> > So the module would contain the generalized LALR parser; the actions of
> > the parser would still be calls to the lisp functions.
> 
> But this means your mode is in Lisp to begin with, and it just calls
> functions implemented in C to work faster.  So you could leave the
> calls to put-text-property in Lisp, and have the functions implemented
> in the module return the information required to compute the arguments
> to put-text-property.  Or am I missing something?

And btw, what exactly do you mean by "call Lisp" in this case?  Call
put-text-property, which is implemented in C in its entirety, doesn't
constitute a call to Lisp in my book.

Of course, that means we will want to export Fput_text_property...