6 /* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "libguile/__scm.h"
27 #include "libguile/struct.h"
34 SCM_API scm_t_option scm_eval_opts
[];
36 #define SCM_EVAL_STACK scm_eval_opts[0].val
37 #define SCM_N_EVAL_OPTIONS 1
39 SCM_API
long scm_eval_stack
;
41 SCM_API scm_t_option scm_evaluator_trap_table
[];
43 SCM_API SCM
scm_eval_options_interface (SCM setting
);
45 #define SCM_TRAPS_P scm_evaluator_trap_table[0].val
46 #define SCM_ENTER_FRAME_P scm_evaluator_trap_table[1].val
47 #define SCM_APPLY_FRAME_P scm_evaluator_trap_table[2].val
48 #define SCM_EXIT_FRAME_P scm_evaluator_trap_table[3].val
49 #define SCM_ENTER_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[4].val))
50 #define SCM_APPLY_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[5].val))
51 #define SCM_EXIT_FRAME_HDLR (SCM_PACK (scm_evaluator_trap_table[6].val))
52 #define SCM_N_EVALUATOR_TRAPS 7
58 * Ilocs are relative pointers into local environment structures.
61 #define SCM_ILOCP(n) (SCM_ITAG8(n)==scm_tc8_iloc)
62 #define SCM_ILOC00 SCM_MAKE_ITAG8(0L, scm_tc8_iloc)
63 #define SCM_IDINC (0x00100000L)
64 #define SCM_ICDR (0x00080000L)
65 #define SCM_IFRINC (0x00000100L)
66 #define SCM_IDSTMSK (-SCM_IDINC)
67 #define SCM_IFRAME(n) ((long)((SCM_ICDR-SCM_IFRINC)>>8) \
68 & (SCM_UNPACK (n) >> 8))
69 #define SCM_IDIST(n) (SCM_UNPACK (n) >> 20)
70 #define SCM_ICDRP(n) (SCM_ICDR & SCM_UNPACK (n))
71 #define SCM_MAKE_ILOC(frame_nr, binding_nr, last_p) \
74 + ((binding_nr) << 20) \
75 + ((last_p) ? SCM_ICDR : 0) \
83 #define SCM_F_PROMISE_COMPUTED (1L << 16)
84 #define SCM_PROMISE_COMPUTED_P(promise) \
85 (SCM_F_PROMISE_COMPUTED & SCM_CELL_WORD_0 (promise))
86 #define SCM_SET_PROMISE_COMPUTED(promise) \
87 SCM_SET_CELL_WORD_0 (promise, scm_tc16_promise | SCM_F_PROMISE_COMPUTED)
88 #define SCM_PROMISE_MUTEX(promise) \
89 ((scm_t_rec_mutex *) SCM_CELL_WORD_2 (promise))
90 #define SCM_PROMISE_DATA SCM_CELL_OBJECT_1
91 #define SCM_SET_PROMISE_DATA SCM_SET_CELL_OBJECT_1
92 SCM_API scm_t_bits scm_tc16_promise
;
98 * For an explanation of symbols containing "EVAL", see beginning of eval.c.
100 #define SCM_EVALIM2(x) \
101 ((SCM_EQ_P ((x), SCM_EOL) \
102 ? scm_misc_error (NULL, scm_s_expression, SCM_EOL), 0 \
105 #define SCM_EVALIM(x, env) (SCM_ILOCP (x) \
106 ? *scm_ilookup ((x), env) \
108 #define SCM_XEVAL(x, env) (SCM_IMP (x) \
110 : (*scm_ceval_ptr) ((x), (env)))
111 #define SCM_XEVALCAR(x, env) (SCM_IMP (SCM_CAR (x)) \
112 ? SCM_EVALIM (SCM_CAR (x), env) \
113 : (SCM_SYMBOLP (SCM_CAR (x)) \
114 ? *scm_lookupcar (x, env, 1) \
115 : (*scm_ceval_ptr) (SCM_CAR (x), env)))
117 typedef SCM (*scm_t_trampoline_0
) (SCM proc
);
118 typedef SCM (*scm_t_trampoline_1
) (SCM proc
, SCM arg1
);
119 typedef SCM (*scm_t_trampoline_2
) (SCM proc
, SCM arg1
, SCM arg2
);
123 #define SCM_EXTEND_ENV scm_acons
125 /*fixme* This should probably be removed throught the code. */
127 #define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure())
131 SCM_API
const char scm_s_expression
[];
132 SCM_API
const char scm_s_test
[];
133 SCM_API
const char scm_s_body
[];
134 SCM_API
const char scm_s_bindings
[];
135 SCM_API
const char scm_s_variable
[];
136 SCM_API
const char scm_s_clauses
[];
137 SCM_API
const char scm_s_formals
[];
139 SCM_API SCM scm_sym_and
;
140 SCM_API SCM scm_sym_begin
;
141 SCM_API SCM scm_sym_case
;
142 SCM_API SCM scm_sym_cond
;
143 SCM_API SCM scm_sym_define
;
144 SCM_API SCM scm_sym_do
;
145 SCM_API SCM scm_sym_if
;
146 SCM_API SCM scm_sym_lambda
;
147 SCM_API SCM scm_sym_let
;
148 SCM_API SCM scm_sym_letstar
;
149 SCM_API SCM scm_sym_letrec
;
150 SCM_API SCM scm_sym_quote
;
151 SCM_API SCM scm_sym_quasiquote
;
152 SCM_API SCM scm_sym_unquote
;
153 SCM_API SCM scm_sym_uq_splicing
;
155 SCM_API SCM scm_sym_dot
;
156 SCM_API SCM scm_sym_atapply
;
157 SCM_API SCM scm_sym_atcall_cc
;
158 SCM_API SCM scm_sym_at_call_with_values
;
159 SCM_API SCM scm_sym_delay
;
160 SCM_API SCM scm_sym_arrow
;
161 SCM_API SCM scm_sym_else
;
162 SCM_API SCM scm_sym_apply
;
163 SCM_API SCM scm_sym_set_x
;
164 SCM_API SCM scm_sym_args
;
168 SCM_API SCM
* scm_ilookup (SCM iloc
, SCM env
);
169 SCM_API SCM
* scm_lookupcar (SCM vloc
, SCM genv
, int check
);
170 SCM_API SCM
scm_unmemocar (SCM form
, SCM env
);
171 SCM_API SCM
scm_unmemocopy (SCM form
, SCM env
);
172 SCM_API SCM
scm_eval_car (SCM pair
, SCM env
);
173 SCM_API SCM
scm_eval_body (SCM code
, SCM env
);
174 SCM_API SCM
scm_eval_args (SCM i
, SCM env
, SCM proc
);
175 SCM_API SCM
scm_m_quote (SCM xorig
, SCM env
);
176 SCM_API SCM
scm_m_begin (SCM xorig
, SCM env
);
177 SCM_API SCM
scm_m_if (SCM xorig
, SCM env
);
178 SCM_API SCM
scm_m_set_x (SCM xorig
, SCM env
);
179 SCM_API SCM
scm_m_vref (SCM xorig
, SCM env
);
180 SCM_API SCM
scm_m_vset (SCM xorig
, SCM env
);
181 SCM_API SCM
scm_m_and (SCM xorig
, SCM env
);
182 SCM_API SCM
scm_m_or (SCM xorig
, SCM env
);
183 SCM_API SCM
scm_m_case (SCM xorig
, SCM env
);
184 SCM_API SCM
scm_m_cond (SCM xorig
, SCM env
);
185 SCM_API SCM
scm_m_lambda (SCM xorig
, SCM env
);
186 SCM_API SCM
scm_m_letstar (SCM xorig
, SCM env
);
187 SCM_API SCM
scm_m_do (SCM xorig
, SCM env
);
188 SCM_API SCM
scm_m_quasiquote (SCM xorig
, SCM env
);
189 SCM_API SCM
scm_m_delay (SCM xorig
, SCM env
);
190 SCM_API SCM
scm_m_generalized_set_x (SCM xorig
, SCM env
);
191 SCM_API SCM
scm_m_future (SCM xorig
, SCM env
);
192 SCM_API SCM
scm_m_define (SCM x
, SCM env
);
193 SCM_API SCM
scm_m_letrec (SCM xorig
, SCM env
);
194 SCM_API SCM
scm_m_let (SCM xorig
, SCM env
);
195 SCM_API SCM
scm_m_apply (SCM xorig
, SCM env
);
196 SCM_API SCM
scm_m_cont (SCM xorig
, SCM env
);
198 SCM_API SCM
scm_m_nil_cond (SCM xorig
, SCM env
);
199 SCM_API SCM
scm_m_atfop (SCM xorig
, SCM env
);
200 #endif /* SCM_ENABLE_ELISP */
201 SCM_API SCM
scm_m_atbind (SCM xorig
, SCM env
);
202 SCM_API SCM
scm_m_at_call_with_values (SCM xorig
, SCM env
);
203 SCM_API
int scm_badargsp (SCM formals
, SCM args
);
204 SCM_API SCM
scm_ceval (SCM x
, SCM env
);
205 SCM_API SCM
scm_deval (SCM x
, SCM env
);
206 SCM_API SCM
scm_call_0 (SCM proc
);
207 SCM_API SCM
scm_call_1 (SCM proc
, SCM arg1
);
208 SCM_API SCM
scm_call_2 (SCM proc
, SCM arg1
, SCM arg2
);
209 SCM_API SCM
scm_call_3 (SCM proc
, SCM arg1
, SCM arg2
, SCM arg3
);
210 SCM_API SCM
scm_call_4 (SCM proc
, SCM arg1
, SCM arg2
, SCM arg3
, SCM arg4
);
211 SCM_API SCM
scm_apply_0 (SCM proc
, SCM args
);
212 SCM_API SCM
scm_apply_1 (SCM proc
, SCM arg1
, SCM args
);
213 SCM_API SCM
scm_apply_2 (SCM proc
, SCM arg1
, SCM arg2
, SCM args
);
214 SCM_API SCM
scm_apply_3 (SCM proc
, SCM arg1
, SCM arg2
, SCM arg3
, SCM args
);
215 SCM_API SCM
scm_i_call_closure_0 (SCM proc
);
216 SCM_API scm_t_trampoline_0
scm_trampoline_0 (SCM proc
);
217 SCM_API scm_t_trampoline_1
scm_trampoline_1 (SCM proc
);
218 SCM_API scm_t_trampoline_2
scm_trampoline_2 (SCM proc
);
219 SCM_API SCM
scm_nconc2last (SCM lst
);
220 SCM_API SCM
scm_apply (SCM proc
, SCM arg1
, SCM args
);
221 SCM_API SCM
scm_dapply (SCM proc
, SCM arg1
, SCM args
);
222 SCM_API SCM
scm_m_expand_body (SCM xorig
, SCM env
);
223 SCM_API SCM
scm_macroexp (SCM x
, SCM env
);
224 SCM_API SCM
scm_map (SCM proc
, SCM arg1
, SCM args
);
225 SCM_API SCM
scm_for_each (SCM proc
, SCM arg1
, SCM args
);
226 SCM_API SCM
scm_closure (SCM code
, SCM env
);
227 SCM_API SCM
scm_makprom (SCM code
);
228 SCM_API SCM
scm_force (SCM x
);
229 SCM_API SCM
scm_promise_p (SCM x
);
230 SCM_API SCM
scm_cons_source (SCM xorig
, SCM x
, SCM y
);
231 SCM_API SCM
scm_copy_tree (SCM obj
);
232 SCM_API SCM
scm_i_eval_x (SCM exp
, SCM env
);
233 SCM_API SCM
scm_i_eval (SCM exp
, SCM env
);
234 SCM_API SCM
scm_primitive_eval (SCM exp
);
235 SCM_API SCM
scm_primitive_eval_x (SCM exp
);
236 SCM_API SCM
scm_eval (SCM exp
, SCM module
);
237 SCM_API SCM
scm_eval_x (SCM exp
, SCM module
);
239 SCM_API
void scm_init_eval (void);
241 #endif /* SCM_EVAL_H */