libguile/eval.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_EVAL_H
   4 #define SCM_EVAL_H
   5
   6 /* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003,2004
   7  * Free Software Foundation, Inc.
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23
  24 \f
  25
  26 #include "libguile/__scm.h"
  27
  28 #include "libguile/struct.h"
  29
  30 \f
  31
  32 /* {Options}
  33  */
  34
  35 SCM_API scm_t_option scm_eval_opts[];
  36
  37 #define SCM_EVAL_STACK         scm_eval_opts[0].val
  38 #define SCM_N_EVAL_OPTIONS 1
  39
  40 SCM_API long scm_eval_stack;
  41
  42 SCM_API scm_t_option scm_evaluator_trap_table[];
  43
  44 SCM_API SCM scm_eval_options_interface (SCM setting);
  45
  46 #define SCM_TRAPS_P            scm_evaluator_trap_table[0].val
  47 #define SCM_ENTER_FRAME_P      scm_evaluator_trap_table[1].val
  48 #define SCM_APPLY_FRAME_P      scm_evaluator_trap_table[2].val
  49 #define SCM_EXIT_FRAME_P       scm_evaluator_trap_table[3].val
  50 #define SCM_ENTER_FRAME_HDLR   (SCM_PACK (scm_evaluator_trap_table[4].val))
  51 #define SCM_APPLY_FRAME_HDLR   (SCM_PACK (scm_evaluator_trap_table[5].val))
  52 #define SCM_EXIT_FRAME_HDLR    (SCM_PACK (scm_evaluator_trap_table[6].val))
  53 #define SCM_N_EVALUATOR_TRAPS 7
  54
  55 \f
  56
  57 /* {Ilocs}
  58  *
  59  * Ilocs are relative pointers into local environment structures.
  60  *
  61  */
  62 #define SCM_ILOCP(n)            (SCM_ITAG8(n)==scm_tc8_iloc)
  63 #define SCM_ICDR                (0x00080000L)
  64 #define SCM_IFRINC              (0x00000100L)
  65 #define SCM_IFRAME(n)           ((long)((SCM_ICDR-SCM_IFRINC)>>8) \
  66                                  & (SCM_UNPACK (n) >> 8))
  67 #define SCM_IDIST(n)            (SCM_UNPACK (n) >> 20)
  68 #define SCM_ICDRP(n)            (SCM_ICDR & SCM_UNPACK (n))
  69
  70 \f
  71
  72 /* {Promises}
  73  */
  74
  75 #define SCM_F_PROMISE_COMPUTED (1L << 16)
  76 #define SCM_PROMISE_COMPUTED_P(promise) \
  77   (SCM_F_PROMISE_COMPUTED & SCM_CELL_WORD_0 (promise))
  78 #define SCM_SET_PROMISE_COMPUTED(promise) \
  79   SCM_SET_CELL_WORD_0 (promise, scm_tc16_promise | SCM_F_PROMISE_COMPUTED)
  80 #define SCM_PROMISE_MUTEX(promise) \
  81   ((scm_t_rec_mutex *) SCM_CELL_WORD_2 (promise))
  82 #define SCM_PROMISE_DATA SCM_CELL_OBJECT_1
  83 #define SCM_SET_PROMISE_DATA SCM_SET_CELL_OBJECT_1
  84 SCM_API scm_t_bits scm_tc16_promise;
  85
  86 \f
  87
  88 /* {Evaluator}
  89  */
  90
  91 typedef SCM (*scm_t_trampoline_0) (SCM proc);
  92 typedef SCM (*scm_t_trampoline_1) (SCM proc, SCM arg1);
  93 typedef SCM (*scm_t_trampoline_2) (SCM proc, SCM arg1, SCM arg2);
  94
  95 \f
  96
  97 #define SCM_EXTEND_ENV scm_acons
  98
  99 /*fixme* This should probably be removed throught the code. */
 100
 101 #define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure())
 102
 103 \f
 104
 105 SCM_API SCM scm_sym_and;
 106 SCM_API SCM scm_sym_begin;
 107 SCM_API SCM scm_sym_case;
 108 SCM_API SCM scm_sym_cond;
 109 SCM_API SCM scm_sym_define;
 110 SCM_API SCM scm_sym_do;
 111 SCM_API SCM scm_sym_if;
 112 SCM_API SCM scm_sym_lambda;
 113 SCM_API SCM scm_sym_let;
 114 SCM_API SCM scm_sym_letstar;
 115 SCM_API SCM scm_sym_letrec;
 116 SCM_API SCM scm_sym_quote;
 117 SCM_API SCM scm_sym_quasiquote;
 118 SCM_API SCM scm_sym_unquote;
 119 SCM_API SCM scm_sym_uq_splicing;
 120
 121 SCM_API SCM scm_sym_atapply;
 122 SCM_API SCM scm_sym_atcall_cc;
 123 SCM_API SCM scm_sym_at_call_with_values;
 124 SCM_API SCM scm_sym_delay;
 125 SCM_API SCM scm_sym_arrow;
 126 SCM_API SCM scm_sym_else;
 127 SCM_API SCM scm_sym_apply;
 128 SCM_API SCM scm_sym_set_x;
 129 SCM_API SCM scm_sym_args;
 130
 131 \f
 132
 133 SCM_API SCM * scm_ilookup (SCM iloc, SCM env);
 134 SCM_API SCM * scm_lookupcar (SCM vloc, SCM genv, int check);
 135 SCM_API SCM scm_unmemocopy (SCM form, SCM env);
 136 SCM_API SCM scm_eval_car (SCM pair, SCM env);
 137 SCM_API SCM scm_eval_body (SCM code, SCM env);
 138 SCM_API SCM scm_eval_args (SCM i, SCM env, SCM proc);
 139 SCM_API SCM scm_m_quote (SCM xorig, SCM env);
 140 SCM_API SCM scm_m_begin (SCM xorig, SCM env);
 141 SCM_API SCM scm_m_if (SCM xorig, SCM env);
 142 SCM_API SCM scm_m_set_x (SCM xorig, SCM env);
 143 SCM_API SCM scm_m_vref (SCM xorig, SCM env);
 144 SCM_API SCM scm_m_vset (SCM xorig, SCM env);
 145 SCM_API SCM scm_m_and (SCM xorig, SCM env);
 146 SCM_API SCM scm_m_or (SCM xorig, SCM env);
 147 SCM_API SCM scm_m_case (SCM xorig, SCM env);
 148 SCM_API SCM scm_m_cond (SCM xorig, SCM env);
 149 SCM_API SCM scm_m_lambda (SCM xorig, SCM env);
 150 SCM_API SCM scm_m_letstar (SCM xorig, SCM env);
 151 SCM_API SCM scm_m_do (SCM xorig, SCM env);
 152 SCM_API SCM scm_m_quasiquote (SCM xorig, SCM env);
 153 SCM_API SCM scm_m_delay (SCM xorig, SCM env);
 154 SCM_API SCM scm_m_generalized_set_x (SCM xorig, SCM env);
 155 SCM_API SCM scm_m_future (SCM xorig, SCM env);
 156 SCM_API SCM scm_m_define (SCM x, SCM env);
 157 SCM_API SCM scm_m_letrec (SCM xorig, SCM env);
 158 SCM_API SCM scm_m_let (SCM xorig, SCM env);
 159 SCM_API SCM scm_m_apply (SCM xorig, SCM env);
 160 SCM_API SCM scm_m_cont (SCM xorig, SCM env);
 161 #if SCM_ENABLE_ELISP
 162 SCM_API SCM scm_m_nil_cond (SCM xorig, SCM env);
 163 SCM_API SCM scm_m_atfop (SCM xorig, SCM env);
 164 #endif /* SCM_ENABLE_ELISP */
 165 SCM_API SCM scm_m_atbind (SCM xorig, SCM env);
 166 SCM_API SCM scm_m_atslot_ref (SCM xorig, SCM env);
 167 SCM_API SCM scm_m_atslot_set_x (SCM xorig, SCM env);
 168 SCM_API SCM scm_m_atdispatch (SCM xorig, SCM env);
 169 SCM_API SCM scm_m_at_call_with_values (SCM xorig, SCM env);
 170 SCM_API int scm_badargsp (SCM formals, SCM args);
 171 SCM_API SCM scm_call_0 (SCM proc);
 172 SCM_API SCM scm_call_1 (SCM proc, SCM arg1);
 173 SCM_API SCM scm_call_2 (SCM proc, SCM arg1, SCM arg2);
 174 SCM_API SCM scm_call_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3);
 175 SCM_API SCM scm_call_4 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM arg4);
 176 SCM_API SCM scm_apply_0 (SCM proc, SCM args);
 177 SCM_API SCM scm_apply_1 (SCM proc, SCM arg1, SCM args);
 178 SCM_API SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args);
 179 SCM_API SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args);
 180 SCM_API SCM scm_i_call_closure_0 (SCM proc);
 181 SCM_API scm_t_trampoline_0 scm_trampoline_0 (SCM proc);
 182 SCM_API scm_t_trampoline_1 scm_trampoline_1 (SCM proc);
 183 SCM_API scm_t_trampoline_2 scm_trampoline_2 (SCM proc);
 184 SCM_API SCM scm_nconc2last (SCM lst);
 185 SCM_API SCM scm_apply (SCM proc, SCM arg1, SCM args);
 186 SCM_API SCM scm_dapply (SCM proc, SCM arg1, SCM args);
 187 SCM_API SCM scm_map (SCM proc, SCM arg1, SCM args);
 188 SCM_API SCM scm_for_each (SCM proc, SCM arg1, SCM args);
 189 SCM_API SCM scm_closure (SCM code, SCM env);
 190 SCM_API SCM scm_makprom (SCM code);
 191 SCM_API SCM scm_force (SCM x);
 192 SCM_API SCM scm_promise_p (SCM x);
 193 SCM_API SCM scm_cons_source (SCM xorig, SCM x, SCM y);
 194 SCM_API SCM scm_copy_tree (SCM obj);
 195 SCM_API SCM scm_i_eval_x (SCM exp, SCM env);
 196 SCM_API SCM scm_i_eval (SCM exp, SCM env);
 197 SCM_API SCM scm_primitive_eval (SCM exp);
 198 SCM_API SCM scm_primitive_eval_x (SCM exp);
 199 SCM_API SCM scm_eval (SCM exp, SCM module);
 200 SCM_API SCM scm_eval_x (SCM exp, SCM module);
 201
 202 SCM_API void scm_init_eval (void);
 203
 204
 205 #if (SCM_ENABLE_DEPRECATED == 1)
 206
 207 SCM_API SCM scm_m_undefine (SCM x, SCM env);
 208
 209 /* Deprecated in guile 1.7.0 on 2003-11-09.  */
 210 SCM_API SCM scm_m_expand_body (SCM xorig, SCM env);
 211
 212 /* Deprecated in guile 1.7.0 on 2003-11-16.  */
 213 SCM_API SCM scm_unmemocar (SCM form, SCM env);
 214 SCM_API SCM scm_macroexp (SCM x, SCM env);
 215
 216 /* Deprecated in guile 1.7.0 on 2004-03-29.  */
 217 SCM_API SCM scm_ceval (SCM x, SCM env);
 218 SCM_API SCM scm_deval (SCM x, SCM env);
 219 SCM_API SCM (*scm_ceval_ptr) (SCM x, SCM env);
 220
 221 #endif
 222
 223
 224 #endif  /* SCM_EVAL_H */
 225
 226 /*
 227   Local Variables:
 228   c-file-style: "gnu"
 229   End:
 230 */