[slime-devel] Tentative small refactoring stuff

[Daniel Barlow]

I'd like to add SLIME support for compiling entire (multi-file)
systems, and am finding that each backend handles compilation 
slightly differently.

I believe I need to add a new function compile-system-for-emacs  
that looks not unlike compile-{file,string}-for-emacs : set up
compiler condition hook stuff, then call
 (asdf:operate 'asdf:oop systemname)

You'd think I would be able to do that once instead of n times for
n backends, but apparently not.  I don't have n lisps installed nor
the will to test them all either.  So, I have (committage imminent)

- created a new GF call-with-compilation-hooks and a macro
  with-compilation-hooks that expands into a call to it

  (It's implemented for SBCL and CMUCL, because they already have and
  use with-compilation-hooks)

- created a compile-system-for-emacs for SBCL which uses
  with-compilation-hooks.  I believe the contents are portable CL and
  will work on any backend, if the maintainer of that backend has
  implemented call-with-compilation-hooks.  If anyone is found copying
  compile-system-for-emacs into their own backend file and hacking it,
  they'd better have a good reason.

Let's not needlessly duplicate entities, hey?  


-dan

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