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-rw-r--r--eval.c61
1 files changed, 22 insertions, 39 deletions
diff --git a/eval.c b/eval.c
index 86c56a3..407efc4 100644
--- a/eval.c
+++ b/eval.c
@@ -1,46 +1,22 @@
-/* Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2002, 2006 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, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of SCM.
- *
- * The exception is that, if you link the SCM 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 SCM library code into it.
+/* "eval.c" eval and apply.
+ * Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2002, 2006 Free Software Foundation, Inc.
*
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
*
- * This exception applies only to the code released by the
- * Free Software Foundation under the name SCM. If you copy
- * code from other Free Software Foundation releases into a copy of
- * SCM, 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.
+ * 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
+ * Lesser General Public License for more details.
*
- * If you write modifications of your own for SCM, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
*/
-/* "eval.c" eval and apply.
- Authors: Radey Shouman, Aubrey Jaffer, & Hugh E. Secker-Walker. */
+/* Authors: Radey Shouman, Aubrey Jaffer, & Hugh E. Secker-Walker. */
#include "scm.h"
#include "setjump.h"
@@ -2061,7 +2037,7 @@ SCM scm_eval_values(x, env, valenv)
STATIC_ENV = env;
scm_env = valenv;
scm_env_tmp = IM_VALUES_TOKEN;
- if (NIMP(x)) x = ceval_1(x);
+ if (NIMP(x)) x = ceval_1(cons2(IM_EVAL_VALUES, x, EOL));
DEFER_INTS_EGC;
if (IM_VALUES_TOKEN==scm_env_tmp) {
if (UNBNDP(x))
@@ -2408,6 +2384,13 @@ static SCM ceval_1(x)
case (ISYMNUM(IM_DEFINE)):
x = toplevel_define(x, STATIC_ENV);
goto retx;
+ case (ISYMNUM(IM_EVAL_VALUES)):
+ /* Push magic VALUES token on estk until
+ tail call occurs. Only happens when called
+ from scm_eval_values. */
+ ENV_MAY_PUSH(envpp);
+ scm_env_tmp = EOL;
+ goto cdrxbegin;
/* new syntactic forms go here. */
default:
goto badfun;