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Implement local-eval', local-compile', and `the-environment'

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* module/ice-9/local-eval.scm: New module (ice-9 local-eval) which
  exports `the-environment', `local-eval', and `local-compile'.

* libguile/debug.c (scm_local_eval): New C function that calls the
  Scheme implementation of `local-eval' in (ice-9 local-eval).

* libguile/debug.h (scm_local_eval): Add prototype.

* doc/ref/api-evaluation.texi (Local Evaluation): Add documentation.

* test-suite/tests/eval.test (local evaluation): Add tests.

* test-suite/standalone/test-loose-ends.c (test_scm_local_eval):
  Add test.

* module/Makefile.am: Add ice-9/local-eval.scm.

Based on a patch by Mark H Weaver <mhw@netris.org>.
This commit is contained in:
Andy Wingo 2012-01-03 04:02:08 -05:00
parent f5e772b2ba
commit d062a8c1ee
7 changed files with 411 additions and 7 deletions
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13
libguile/debug.c
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@ -1,5 +1,5 @@
/* Debugging extensions for Guile
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009, 2010, 2011 Free Software Foundation
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009, 2010, 2011, 2012 Free Software Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -208,6 +208,17 @@ SCM_DEFINE (scm_debug_hang, "debug-hang", 0, 1, 0,
#undef FUNC_NAME
#endif
SCM
scm_local_eval (SCM exp, SCM env)
{
static SCM local_eval_var = SCM_BOOL_F;
if (scm_is_false (local_eval_var))
local_eval_var = scm_c_public_variable ("ice-9 local-eval", "local-eval");
return scm_call_2 (SCM_VARIABLE_REF (local_eval_var), exp, env);
}
static void
init_stack_limit (void)
{