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Diffstat (limited to 'src/envs.h')
-rw-r--r-- | src/envs.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/envs.h b/src/envs.h new file mode 100644 index 000000000..04e204fac --- /dev/null +++ b/src/envs.h @@ -0,0 +1,74 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307 USA + * + * As a special exception, the Free Software Foundation gives permission + * for additional uses of the text contained in its release of GUILE. + * + * The exception is that, if you link the GUILE library with other files + * to produce an executable, this does not by itself cause the + * resulting executable to be covered by the GNU General Public License. + * Your use of that executable is in no way restricted on account of + * linking the GUILE library code into it. + * + * This exception does not however invalidate any other reasons why + * the executable file might be covered by the GNU General Public License. + * + * This exception applies only to the code released by the + * Free Software Foundation under the name GUILE. If you copy + * code from other Free Software Foundation releases into a copy of + * GUILE, as the General Public License permits, the exception does + * not apply to the code that you add in this way. To avoid misleading + * anyone as to the status of such modified files, you must delete + * this exception notice from them. + * + * If you write modifications of your own for GUILE, it is your choice + * whether to permit this exception to apply to your modifications. + * If you do not wish that, delete this exception notice. */ + +#ifndef _SCM_ENVS_H_ +#define _SCM_ENVS_H_ + +#include <libguile.h> + +extern scm_t_bits scm_tc16_env; + +struct scm_env +{ + SCM identifier; + SCM obarray; +}; +typedef struct scm_env scm_env_t; + +#define SCM_ENV_P(x) SCM_SMOB_PREDICATE (scm_tc16_env, x) +#define SCM_ENV_DATA(x) ((struct scm_env *) SCM_SMOB_DATA (x)) +#define SCM_VALIDATE_ENV(p,x) SCM_MAKE_VALIDATE (p, x, ENV_P) + +#define SCM_ENV_IDENTIFIER(x) (SCM_ENV_DATA(x)->identifier) +#define SCM_ENV_OBARRAY(x) (SCM_ENV_DATA(x)->obarray) + +extern SCM scm_c_lookup_env (SCM identifier); +extern SCM scm_c_env_vcell (SCM env, SCM name, int intern); + +extern void scm_init_envs (void); + +#endif /* _SCM_ENVS_H_ */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/ |