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1234bb1850
Update to newest recommended license notices from the FSF. Everything stays LGPLv3+ except guile-readline which is GPLv3+.
121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
/* Copyright 2017-2018
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "eval.h"
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#include "gsubr.h"
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#include "keywords.h"
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#include "modules.h"
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#include "ports.h"
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#include "threads.h"
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#include "variable.h"
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#include "syntax.h"
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static int
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scm_is_syntax (SCM x)
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{
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return SCM_HAS_TYP7 (x, scm_tc7_syntax);
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}
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#define SCM_VALIDATE_SYNTAX(pos, scm) \
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SCM_I_MAKE_VALIDATE_MSG2 (pos, scm, scm_is_syntax, "syntax object")
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SCM_DEFINE (scm_syntax_p, "syntax?", 1, 0, 0,
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(SCM obj),
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"Return @code{#t} if the argument @var{obj} is a syntax object,\n"
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"else @code{#f}.")
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#define FUNC_NAME s_scm_syntax_p
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{
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return scm_from_bool (scm_is_syntax (obj));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_make_syntax, "make-syntax", 3, 0, 0,
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(SCM exp, SCM wrap, SCM module),
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"Make a new syntax object.")
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#define FUNC_NAME s_scm_make_syntax
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{
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return scm_double_cell (scm_tc7_syntax, SCM_UNPACK (exp),
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SCM_UNPACK (wrap), SCM_UNPACK (module));
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_syntax_expression, "syntax-expression", 1, 0, 0,
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(SCM obj),
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"Return the expression contained in the syntax object @var{obj}.")
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#define FUNC_NAME s_scm_syntax_expression
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{
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SCM_VALIDATE_SYNTAX (1, obj);
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return SCM_CELL_OBJECT_1 (obj);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_syntax_wrap, "syntax-wrap", 1, 0, 0,
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(SCM obj),
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"Return the wrap contained in the syntax object @var{obj}.")
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#define FUNC_NAME s_scm_syntax_wrap
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{
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SCM_VALIDATE_SYNTAX (1, obj);
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return SCM_CELL_OBJECT_2 (obj);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_syntax_module, "syntax-module", 1, 0, 0,
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(SCM obj),
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"Return the module info contained in the syntax object @var{obj}.")
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#define FUNC_NAME s_scm_syntax_module
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{
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SCM_VALIDATE_SYNTAX (1, obj);
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return SCM_CELL_OBJECT_3 (obj);
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}
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#undef FUNC_NAME
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static SCM print_syntax_var;
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static void
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init_print_syntax_var (void)
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{
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print_syntax_var =
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scm_c_private_variable ("system syntax", "print-syntax");
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}
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void
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scm_i_syntax_print (SCM obj, SCM port, scm_print_state *pstate)
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{
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static scm_i_pthread_once_t once = SCM_I_PTHREAD_ONCE_INIT;
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scm_i_pthread_once (&once, init_print_syntax_var);
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scm_call_2 (scm_variable_ref (print_syntax_var), obj, port);
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}
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void
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scm_init_syntax ()
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{
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#include "syntax.x"
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}
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