libguile/eval.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_EVAL_H
   4 #define SCM_EVAL_H
   5
   6 /* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003,2004,2008
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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
  36 \f
  37
  38 /* {Ilocs}
  39  *
  40  * Ilocs are relative pointers into local environment structures.
  41  *
  42  */
  43 #define SCM_ILOCP(n)            (SCM_ITAG8(n)==scm_tc8_iloc)
  44
  45 \f
  46
  47 /* {Promises}
  48  */
  49
  50 #define SCM_F_PROMISE_COMPUTED (1L << 0)
  51 #define SCM_PROMISE_COMPUTED_P(promise) \
  52   (SCM_F_PROMISE_COMPUTED & SCM_SMOB_FLAGS (promise))
  53 #define SCM_SET_PROMISE_COMPUTED(promise) \
  54   SCM_SET_SMOB_FLAGS ((promise), SCM_F_PROMISE_COMPUTED)
  55 #define SCM_PROMISE_MUTEX     SCM_SMOB_OBJECT_2
  56 #define SCM_PROMISE_DATA      SCM_SMOB_OBJECT
  57 #define SCM_SET_PROMISE_DATA  SCM_SET_SMOB_OBJECT
  58
  59
  60 SCM_API scm_t_bits scm_tc16_promise;
  61
  62 \f
  63
  64 /* {Evaluator}
  65  */
  66
  67 typedef SCM (*scm_t_trampoline_0) (SCM proc);
  68 typedef SCM (*scm_t_trampoline_1) (SCM proc, SCM arg1);
  69 typedef SCM (*scm_t_trampoline_2) (SCM proc, SCM arg1, SCM arg2);
  70
  71 \f
  72
  73 #define SCM_EXTEND_ENV scm_acons
  74
  75 /*fixme* This should probably be removed throught the code. */
  76
  77 #define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure())
  78
  79 \f
  80
  81 SCM_API SCM scm_sym_and;
  82 SCM_API SCM scm_sym_begin;
  83 SCM_API SCM scm_sym_case;
  84 SCM_API SCM scm_sym_cond;
  85 SCM_API SCM scm_sym_define;
  86 SCM_API SCM scm_sym_do;
  87 SCM_API SCM scm_sym_if;
  88 SCM_API SCM scm_sym_lambda;
  89 SCM_API SCM scm_sym_let;
  90 SCM_API SCM scm_sym_letstar;
  91 SCM_API SCM scm_sym_letrec;
  92 SCM_API SCM scm_sym_quote;
  93 SCM_API SCM scm_sym_quasiquote;
  94 SCM_API SCM scm_sym_unquote;
  95 SCM_API SCM scm_sym_uq_splicing;
  96
  97 SCM_API SCM scm_sym_atapply;
  98 SCM_API SCM scm_sym_atcall_cc;
  99 SCM_API SCM scm_sym_at_call_with_values;
 100 SCM_API SCM scm_sym_delay;
 101 SCM_API SCM scm_sym_arrow;
 102 SCM_API SCM scm_sym_else;
 103 SCM_API SCM scm_sym_apply;
 104 SCM_API SCM scm_sym_set_x;
 105 SCM_API SCM scm_sym_args;
 106
 107 \f
 108
 109 SCM_API SCM * scm_ilookup (SCM iloc, SCM env);
 110 SCM_API SCM * scm_lookupcar (SCM vloc, SCM genv, int check);
 111 SCM_API SCM scm_eval_car (SCM pair, SCM env);
 112 SCM_API SCM scm_eval_body (SCM code, SCM env);
 113 SCM_API SCM scm_eval_args (SCM i, SCM env, SCM proc);
 114 SCM_API SCM scm_m_quote (SCM xorig, SCM env);
 115 SCM_API SCM scm_m_begin (SCM xorig, SCM env);
 116 SCM_API SCM scm_m_if (SCM xorig, SCM env);
 117 SCM_API SCM scm_m_set_x (SCM xorig, SCM env);
 118 SCM_API SCM scm_m_vref (SCM xorig, SCM env);
 119 SCM_API SCM scm_m_vset (SCM xorig, SCM env);
 120 SCM_API SCM scm_m_and (SCM xorig, SCM env);
 121 SCM_API SCM scm_m_or (SCM xorig, SCM env);
 122 SCM_API SCM scm_m_case (SCM xorig, SCM env);
 123 SCM_API SCM scm_m_cond (SCM xorig, SCM env);
 124 SCM_API SCM scm_m_lambda (SCM xorig, SCM env);
 125 SCM_API SCM scm_m_letstar (SCM xorig, SCM env);
 126 SCM_API SCM scm_m_do (SCM xorig, SCM env);
 127 SCM_API SCM scm_m_quasiquote (SCM xorig, SCM env);
 128 SCM_API SCM scm_m_delay (SCM xorig, SCM env);
 129 SCM_API SCM scm_m_generalized_set_x (SCM xorig, SCM env);
 130 SCM_API SCM scm_m_future (SCM xorig, SCM env);
 131 SCM_API SCM scm_m_define (SCM x, SCM env);
 132 SCM_API SCM scm_m_letrec (SCM xorig, SCM env);
 133 SCM_API SCM scm_m_let (SCM xorig, SCM env);
 134 SCM_API SCM scm_m_apply (SCM xorig, SCM env);
 135 SCM_API SCM scm_m_cont (SCM xorig, SCM env);
 136 #if SCM_ENABLE_ELISP
 137 SCM_API SCM scm_m_nil_cond (SCM xorig, SCM env);
 138 SCM_API SCM scm_m_atfop (SCM xorig, SCM env);
 139 #endif /* SCM_ENABLE_ELISP */
 140 SCM_API SCM scm_m_atbind (SCM xorig, SCM env);
 141 SCM_API SCM scm_m_atslot_ref (SCM xorig, SCM env);
 142 SCM_API SCM scm_m_atslot_set_x (SCM xorig, SCM env);
 143 SCM_API SCM scm_m_atdispatch (SCM xorig, SCM env);
 144 SCM_API SCM scm_m_at_call_with_values (SCM xorig, SCM env);
 145 SCM_API int scm_badargsp (SCM formals, SCM args);
 146 SCM_API SCM scm_call_0 (SCM proc);
 147 SCM_API SCM scm_call_1 (SCM proc, SCM arg1);
 148 SCM_API SCM scm_call_2 (SCM proc, SCM arg1, SCM arg2);
 149 SCM_API SCM scm_call_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3);
 150 SCM_API SCM scm_call_4 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM arg4);
 151 SCM_API SCM scm_apply_0 (SCM proc, SCM args);
 152 SCM_API SCM scm_apply_1 (SCM proc, SCM arg1, SCM args);
 153 SCM_API SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args);
 154 SCM_API SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args);
 155 SCM_INTERNAL SCM scm_i_call_closure_0 (SCM proc);
 156 SCM_API scm_t_trampoline_0 scm_trampoline_0 (SCM proc);
 157 SCM_API scm_t_trampoline_1 scm_trampoline_1 (SCM proc);
 158 SCM_API scm_t_trampoline_2 scm_trampoline_2 (SCM proc);
 159 SCM_API SCM scm_nconc2last (SCM lst);
 160 SCM_API SCM scm_apply (SCM proc, SCM arg1, SCM args);
 161 SCM_API SCM scm_dapply (SCM proc, SCM arg1, SCM args);
 162 SCM_API SCM scm_map (SCM proc, SCM arg1, SCM args);
 163 SCM_API SCM scm_for_each (SCM proc, SCM arg1, SCM args);
 164 SCM_API SCM scm_closure (SCM code, SCM env);
 165 SCM_API SCM scm_make_promise (SCM thunk);
 166 SCM_API SCM scm_force (SCM x);
 167 SCM_API SCM scm_promise_p (SCM x);
 168 SCM_API SCM scm_cons_source (SCM xorig, SCM x, SCM y);
 169 SCM_API SCM scm_copy_tree (SCM obj);
 170 SCM_API SCM scm_i_eval_x (SCM exp, SCM env) /* not internal */;
 171 SCM_INTERNAL SCM scm_i_eval (SCM exp, SCM env);
 172 SCM_API SCM scm_primitive_eval (SCM exp);
 173 SCM_API SCM scm_primitive_eval_x (SCM exp);
 174 SCM_API SCM scm_eval (SCM exp, SCM module);
 175 SCM_API SCM scm_eval_x (SCM exp, SCM module);
 176
 177 SCM_INTERNAL void scm_i_print_iloc (SCM /*iloc*/, SCM /*port*/);
 178 SCM_INTERNAL void scm_i_print_isym (SCM /*isym*/, SCM /*port*/);
 179 SCM_INTERNAL SCM scm_i_unmemocopy_expr (SCM expr, SCM env);
 180 SCM_INTERNAL SCM scm_i_unmemocopy_body (SCM forms, SCM env);
 181 SCM_INTERNAL void scm_init_eval (void);
 182
 183
 184 #if (SCM_ENABLE_DEPRECATED == 1)
 185
 186 SCM_API SCM scm_m_undefine (SCM x, SCM env);
 187
 188 /* Deprecated in guile 1.7.0 on 2003-11-09.  */
 189 SCM_API SCM scm_m_expand_body (SCM xorig, SCM env);
 190
 191 /* Deprecated in guile 1.7.0 on 2003-11-16.  */
 192 SCM_API SCM scm_unmemocar (SCM form, SCM env);
 193 SCM_API SCM scm_macroexp (SCM x, SCM env);
 194
 195 /* Deprecated in guile 1.7.0 on 2004-03-29.  */
 196 SCM_API SCM scm_ceval (SCM x, SCM env);
 197 SCM_API SCM scm_deval (SCM x, SCM env);
 198 SCM_API SCM (*scm_ceval_ptr) (SCM x, SCM env);
 199
 200 #endif
 201
 202
 203 #endif  /* SCM_EVAL_H */
 204
 205 /*
 206   Local Variables:
 207   c-file-style: "gnu"
 208   End:
 209 */