File: NEWS.guile-vm

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Guile-VM NEWS


Guile-VM is a bytecode compiler and virtual machine for Guile.


guile-vm 0.7 -- 2008-05-20
==========================

* Initial release with NEWS.

* Revived from Keisuke Nishida's Guile-VM project from 2000-2001, with
  the help of Ludovic Court├Ęs.

* Meta-level changes
** Updated to compile with Guile 1.8.
** Documentation updated, including documentation on the instructions.
** Added benchmarking and a test harness.

* Changes to the inventory
** Renamed the library from libguilevm to libguile-vm.
** Added new executable script, guile-disasm.

* New features
** Add support for compiling macros, both defmacros and syncase macros.
Primitive macros produced with the procedure->macro family of procedures
are not supported, however.
** Improvements to the REPL
Multiple values support, readline integration, ice-9 history integration
** Add support for eval-case
The compiler recognizes compile-toplevel in addition to load-toplevel
** Completely self-compiling
Almost, anyway: not (system repl describe), because it uses GOOPS

* Internal cleanups
** Internal objects are now based on Guile records.
** Guile-VM's code doesn't use the dot-syntax any more.
** Changed (ice-9 match) for Kiselyov's pmatch.scm
** New instructions: define, link-later, link-now, late-variable-{ref,set}
** Object code now represented as u8vectors instead of strings.
** Remove local import of an old version of slib

* Bugfixes
** The `optimize' procedure is coming out of bitrot
** The Scheme compiler is now more strict about placement of internal
   defines
** set! is now compiled differently from define
** Module-level variables are now bound at first use instead of in the
   program prolog
** Bugfix to load-program (stack misinterpretation)


Copyright (C) 2008 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice
and this notice are preserved.