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/*===========================================================================
* Filename : module-srfi55.c
* About : require-extension
*
* Copyright (c) 2007-2008 SigScheme Project <uim-en AT googlegroups.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of authors nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
===========================================================================*/
#include <config.h>
#include "sigscheme.h"
#include "sigschemeinternal.h"
/*=======================================
File Local Macro Definitions
=======================================*/
/*=======================================
File Local Type Definitions
=======================================*/
/*=======================================
Variable Definitions
=======================================*/
#include "functable-srfi55.c"
SCM_GLOBAL_VARS_BEGIN(static_srfi55);
#define static
static ScmObj l_sym_require_extension;
#undef static
SCM_GLOBAL_VARS_END(static_srfi55);
#define l_sym_require_extension SCM_GLOBAL_VAR(static_srfi55, \
l_sym_require_extension)
SCM_DEFINE_STATIC_VARS(static_srfi55);
/*=======================================
File Local Function Declarations
=======================================*/
/*=======================================
Function Definitions
=======================================*/
SCM_EXPORT void
scm_initialize_srfi55(void)
{
scm_register_funcs(scm_functable_srfi55);
l_sym_require_extension = scm_intern("%require-extension");
scm_require_module("sscm-ext"); /* for 'provided?' and 'provide' */
scm_load_system_file("srfi-55.scm");
}
SCM_EXPORT ScmObj
scm_s_srfi55_require_extension(ScmObj clauses, ScmObj env)
{
ScmObj proc;
DECLARE_FUNCTION("require-extension", syntax_variadic_0);
/*=======================================================================
(require-extension <clause> ...)
<clause> ::= (<extension-identifier>)
| (<extension-identifier> <extension-argument> ...)
<extension-identifier> ::= <symbol>
<extension-argument> ::= <any Scheme value>
=======================================================================*/
proc = scm_symbol_value(l_sym_require_extension, SCM_INTERACTION_ENV);
return scm_call(proc, clauses);
}
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