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add foreign value wrapper

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* libguile/foreign.h:
* libguile/foreign.c: New files, implementing simple wrappers around
  foreign values, such as those that one might link in dynamically from
  a library.

* libguile/tags.h (scm_tc7_foreign): Take a tc7 for foreign values.

* libguile.h:
* libguile/init.c: Add foreign.h to headers and init.

* libguile/print.c (iprin1): Add printer for foreign values.

* libguile/gc.c (scm_i_tag_name): Case for foreign values.
* libguile/goops.c (scm_class_of, create_standard_classes): Add a class
  for foreign values.

* libguile/evalext.c (scm_self_evaluating_p): Add case for foreign
  values.

* libguile/Makefile.am: Add foreign.[ch] to the build.
This commit is contained in:
Andy Wingo 2010-01-04 12:11:33 +01:00
parent 208fae8a0e
commit e2c2a6994d
10 changed files with 401 additions and 9 deletions
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3
libguile/init.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2004, 2006, 2009 Free Software Foundation, Inc.
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2004, 2006, 2009, 2010 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -474,6 +474,7 @@ scm_i_init_guile (SCM_STACKITEM *base)
scm_init_ports ();
scm_init_hash ();
scm_init_hashtab ();
scm_init_foreign ();
scm_init_deprecation ();
scm_init_objprop ();
scm_init_promises (); /* requires smob_prehistory */