#ifndef SCM_EVAL_H
#define SCM_EVAL_H
-/* Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003 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 library 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 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser 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. */
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
\f
#include "libguile/__scm.h"
-#include "struct.h"
+#include "libguile/struct.h"
\f
SCM_API scm_t_option scm_eval_opts[];
-#define SCM_EVAL_STACK scm_eval_opts[0].val
+#define SCM_EVAL_STACK scm_eval_opts[0].val
#define SCM_N_EVAL_OPTIONS 1
SCM_API long scm_eval_stack;
#define SCM_ENTER_FRAME_P scm_evaluator_trap_table[1].val
#define SCM_APPLY_FRAME_P scm_evaluator_trap_table[2].val
#define SCM_EXIT_FRAME_P scm_evaluator_trap_table[3].val
-#define SCM_ENTER_FRAME_HDLR (SCM)(scm_evaluator_trap_table[4].val)
-#define SCM_APPLY_FRAME_HDLR (SCM)(scm_evaluator_trap_table[5].val)
-#define SCM_EXIT_FRAME_HDLR (SCM)(scm_evaluator_trap_table[6].val)
+#define SCM_ENTER_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[4].val))
+#define SCM_APPLY_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[5].val))
+#define SCM_EXIT_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[6].val))
#define SCM_N_EVALUATOR_TRAPS 7
\f
*
*/
#define SCM_ILOCP(n) (SCM_ITAG8(n)==scm_tc8_iloc)
-#define SCM_ILOC00 SCM_MAKE_ITAG8(0L, scm_tc8_iloc)
-#define SCM_IDINC (0x00100000L)
#define SCM_ICDR (0x00080000L)
#define SCM_IFRINC (0x00000100L)
-#define SCM_IDSTMSK (-SCM_IDINC)
#define SCM_IFRAME(n) ((long)((SCM_ICDR-SCM_IFRINC)>>8) \
& (SCM_UNPACK (n) >> 8))
#define SCM_IDIST(n) (SCM_UNPACK (n) >> 20)
\f
+/* {Promises}
+ */
+
+#define SCM_F_PROMISE_COMPUTED (1L << 16)
+#define SCM_PROMISE_COMPUTED_P(promise) \
+ (SCM_F_PROMISE_COMPUTED & SCM_CELL_WORD_0 (promise))
+#define SCM_SET_PROMISE_COMPUTED(promise) \
+ SCM_SET_CELL_WORD_0 (promise, scm_tc16_promise | SCM_F_PROMISE_COMPUTED)
+#define SCM_PROMISE_MUTEX(promise) \
+ ((scm_t_rec_mutex *) SCM_CELL_WORD_2 (promise))
+#define SCM_PROMISE_DATA SCM_CELL_OBJECT_1
+#define SCM_SET_PROMISE_DATA SCM_SET_CELL_OBJECT_1
+SCM_API scm_t_bits scm_tc16_promise;
+
+\f
/* {Evaluator}
- *
- * For an explanation of symbols containing "EVAL", see beginning of eval.c.
*/
-#define SCM_EVALIM2(x) \
- ((SCM_EQ_P ((x), SCM_EOL) \
- ? scm_misc_error (NULL, scm_s_expression, SCM_EOL), 0 \
- : 0), \
- (x))
-#ifdef MEMOIZE_LOCALS
-#define SCM_EVALIM(x, env) (SCM_ILOCP (x) \
- ? *scm_ilookup ((x), env) \
- : SCM_EVALIM2(x))
-#else
-#define SCM_EVALIM(x, env) SCM_EVALIM2(x)
-#endif
-#ifdef DEBUG_EXTENSIONS
-#define SCM_XEVAL(x, env) (SCM_IMP (x) \
- ? SCM_EVALIM2(x) \
- : (*scm_ceval_ptr) ((x), (env)))
-#define SCM_XEVALCAR(x, env) (SCM_IMP (SCM_CAR (x)) \
- ? SCM_EVALIM (SCM_CAR (x), env) \
- : (SCM_SYMBOLP (SCM_CAR (x)) \
- ? *scm_lookupcar (x, env, 1) \
- : (*scm_ceval_ptr) (SCM_CAR (x), env)))
-#else
-#define SCM_XEVAL(x, env) (SCM_IMP (x) \
- ? SCM_EVALIM2(x) \
- : scm_ceval ((x), (env)))
-#define SCM_XEVALCAR(x, env) EVALCAR (x, env)
-#endif /* DEBUG_EXTENSIONS */
+
+typedef SCM (*scm_t_trampoline_0) (SCM proc);
+typedef SCM (*scm_t_trampoline_1) (SCM proc, SCM arg1);
+typedef SCM (*scm_t_trampoline_2) (SCM proc, SCM arg1, SCM arg2);
\f
#define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure())
\f
-SCM_API const char scm_s_expression[];
-SCM_API const char scm_s_test[];
-SCM_API const char scm_s_body[];
-SCM_API const char scm_s_bindings[];
-SCM_API const char scm_s_variable[];
-SCM_API const char scm_s_clauses[];
-SCM_API const char scm_s_formals[];
-SCM_API const char scm_s_set_x[];
SCM_API SCM scm_sym_and;
SCM_API SCM scm_sym_begin;
SCM_API SCM scm_sym_unquote;
SCM_API SCM scm_sym_uq_splicing;
-SCM_API SCM scm_sym_dot;
SCM_API SCM scm_sym_atapply;
SCM_API SCM scm_sym_atcall_cc;
SCM_API SCM scm_sym_at_call_with_values;
SCM_API SCM scm_sym_set_x;
SCM_API SCM scm_sym_args;
-SCM_API SCM scm_f_apply;
-
\f
SCM_API SCM * scm_ilookup (SCM iloc, SCM env);
SCM_API SCM scm_m_do (SCM xorig, SCM env);
SCM_API SCM scm_m_quasiquote (SCM xorig, SCM env);
SCM_API SCM scm_m_delay (SCM xorig, SCM env);
+SCM_API SCM scm_m_generalized_set_x (SCM xorig, SCM env);
+SCM_API SCM scm_m_future (SCM xorig, SCM env);
SCM_API SCM scm_m_define (SCM x, SCM env);
SCM_API SCM scm_m_letrec (SCM xorig, SCM env);
SCM_API SCM scm_m_let (SCM xorig, SCM env);
SCM_API SCM scm_m_apply (SCM xorig, SCM env);
SCM_API SCM scm_m_cont (SCM xorig, SCM env);
-#ifdef SCM_ENABLE_ELISP
+#if SCM_ENABLE_ELISP
SCM_API SCM scm_m_nil_cond (SCM xorig, SCM env);
SCM_API SCM scm_m_atfop (SCM xorig, SCM env);
#endif /* SCM_ENABLE_ELISP */
SCM_API SCM scm_m_atbind (SCM xorig, SCM env);
+SCM_API SCM scm_m_atslot_ref (SCM xorig, SCM env);
+SCM_API SCM scm_m_atslot_set_x (SCM xorig, SCM env);
+SCM_API SCM scm_m_atdispatch (SCM xorig, SCM env);
SCM_API SCM scm_m_at_call_with_values (SCM xorig, SCM env);
SCM_API int scm_badargsp (SCM formals, SCM args);
SCM_API SCM scm_ceval (SCM x, SCM env);
SCM_API SCM scm_apply_1 (SCM proc, SCM arg1, SCM args);
SCM_API SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args);
SCM_API SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args);
+SCM_API SCM scm_i_call_closure_0 (SCM proc);
+SCM_API scm_t_trampoline_0 scm_trampoline_0 (SCM proc);
+SCM_API scm_t_trampoline_1 scm_trampoline_1 (SCM proc);
+SCM_API scm_t_trampoline_2 scm_trampoline_2 (SCM proc);
SCM_API SCM scm_nconc2last (SCM lst);
SCM_API SCM scm_apply (SCM proc, SCM arg1, SCM args);
SCM_API SCM scm_dapply (SCM proc, SCM arg1, SCM args);
-SCM_API SCM scm_m_expand_body (SCM xorig, SCM env);
SCM_API SCM scm_macroexp (SCM x, SCM env);
SCM_API SCM scm_map (SCM proc, SCM arg1, SCM args);
SCM_API SCM scm_for_each (SCM proc, SCM arg1, SCM args);
SCM_API void scm_init_eval (void);
+
+#if (SCM_ENABLE_DEPRECATED == 1)
+
+SCM_API SCM scm_m_undefine (SCM x, SCM env);
+
+/* Deprecated in guile 1.7.0 on 2003-11-09. */
+SCM_API SCM scm_m_expand_body (SCM xorig, SCM env);
+
+#endif
+
+
#endif /* SCM_EVAL_H */
/*
HCoop / bpt / guile.git / blobdiff