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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/evalext.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009 Free Software Foundation, Inc.
/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 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
@ -77,6 +77,7 @@ SCM_DEFINE (scm_self_evaluating_p, "self-evaluating?", 1, 0, 0,
{
case scm_tc7_vector:
case scm_tc7_wvect:
case scm_tc7_foreign:
case scm_tc7_hashtable:
case scm_tc7_fluid:
case scm_tc7_dynamic_state: