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/*===========================================================================
* Filename : module-srfi43.c
* About : SRFI-43 Vector library
*
* 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
=======================================*/
#define QUOTE(obj) (LIST_2(SYM_QUOTE, (obj)))
/*=======================================
File Local Type Definitions
=======================================*/
/*=======================================
File Local Function Declarations
=======================================*/
SCM_EXPORT ScmObj scm_s_let_vector_start_plus_end(ScmObj callee, ScmObj vec,
ScmObj args,
ScmObj start_plus_end,
ScmObj body,
ScmEvalState *eval_state);
/*=======================================
Variable Definitions
=======================================*/
#include "functable-srfi43.c"
SCM_GLOBAL_VARS_BEGIN(static_srfi43);
#define static
static ScmObj l_sym_vector_parse_start_plus_end;
static ScmObj l_sym_check_type, l_sym_vectorp;
#undef static
SCM_GLOBAL_VARS_END(static_srfi43);
#define l_sym_vector_parse_start_plus_end \
SCM_GLOBAL_VAR(static_srfi43, l_sym_vector_parse_start_plus_end)
#define l_sym_check_type SCM_GLOBAL_VAR(static_srfi43, l_sym_check_type)
#define l_sym_vectorp SCM_GLOBAL_VAR(static_srfi43, l_sym_vectorp)
SCM_DEFINE_STATIC_VARS(static_srfi43);
/*=======================================
Function Definitions
=======================================*/
SCM_EXPORT void
scm_initialize_srfi43(void)
{
SCM_GLOBAL_VARS_INIT(static_srfi43);
scm_register_funcs(scm_functable_srfi43);
scm_require_module("srfi-8");
scm_require_module("srfi-23");
scm_require_module("sscm-ext"); /* for let-optionals* */
scm_load_system_file("srfi-43.scm");
l_sym_vector_parse_start_plus_end = scm_intern("vector-parse-start+end");
l_sym_check_type = scm_intern("check-type");
l_sym_vectorp = scm_intern("vector?");
scm_define_alias("let*-optionals", "let-optionals*");
}
/* let-vector-start+end is not a part of SRFI-43. */
SCM_EXPORT ScmObj
scm_s_let_vector_start_plus_end(ScmObj callee, ScmObj vec,
ScmObj args, ScmObj start_plus_end,
ScmObj body,
ScmEvalState *eval_state)
{
ScmObj env, start_name, end_name, proc_check_type, check_type_args;
ScmObj receive_expr;
DECLARE_FUNCTION("let-vector-start+end", syntax_variadic_tailrec_4);
if (!LIST_2_P(start_plus_end))
ERR_OBJ("invalid start+end form", start_plus_end);
/* The responsibility of type checks for other args are delegated to
* 'check-type' and 'receive'. */
env = eval_state->env;
proc_check_type = EVAL(l_sym_check_type, env);
check_type_args = LIST_3(EVAL(l_sym_vectorp, env),
EVAL(vec, env),
EVAL(callee, env));
vec = scm_call(proc_check_type, check_type_args);
start_name = QUOTE(CAR(start_plus_end));
end_name = QUOTE(CADR(start_plus_end));
receive_expr = CONS(l_sym_vector_parse_start_plus_end,
LIST_5(QUOTE(vec), args, start_name, end_name, callee));
return scm_s_srfi8_receive(start_plus_end, receive_expr, body, eval_state);
}
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