libguile/eval.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_EVAL_H
   4 #define SCM_EVAL_H
   5
   6 /* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003,2004,2008,2009
   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 License
  11  * as published by the Free Software Foundation; either version 3 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful, but
  15  * 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
  22  * 02110-1301 USA
  23  */
  24
  25 \f
  26
  27 #include "libguile/__scm.h"
  28
  29 #include "libguile/struct.h"
  30
  31 \f
  32
  33 /* {Options}
  34  */
  35
  36
  37 \f
  38
  39 /* {Ilocs}
  40  *
  41  * Ilocs are relative pointers into local environment structures.
  42  *
  43  */
  44 #define SCM_ILOCP(n)            (SCM_ITAG8(n)==scm_tc8_iloc)
  45
  46 \f
  47
  48 /* {Promises}
  49  */
  50
  51 #define SCM_F_PROMISE_COMPUTED (1L << 0)
  52 #define SCM_PROMISE_COMPUTED_P(promise) \
  53   (SCM_F_PROMISE_COMPUTED & SCM_SMOB_FLAGS (promise))
  54 #define SCM_SET_PROMISE_COMPUTED(promise) \
  55   SCM_SET_SMOB_FLAGS ((promise), SCM_F_PROMISE_COMPUTED)
  56 #define SCM_PROMISE_MUTEX     SCM_SMOB_OBJECT_2
  57 #define SCM_PROMISE_DATA      SCM_SMOB_OBJECT
  58 #define SCM_SET_PROMISE_DATA  SCM_SET_SMOB_OBJECT
  59
  60
  61 SCM_API scm_t_bits scm_tc16_promise;
  62
  63 \f
  64
  65 /* {Evaluator}
  66  */
  67
  68 typedef SCM (*scm_t_trampoline_0) (SCM proc);
  69 typedef SCM (*scm_t_trampoline_1) (SCM proc, SCM arg1);
  70 typedef SCM (*scm_t_trampoline_2) (SCM proc, SCM arg1, SCM arg2);
  71
  72 \f
  73
  74 #define SCM_EXTEND_ENV scm_acons
  75
  76 /*fixme* This should probably be removed throught the code. */
  77
  78 #define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure())
  79
  80 \f
  81
  82 SCM_API SCM scm_sym_and;
  83 SCM_API SCM scm_sym_begin;
  84 SCM_API SCM scm_sym_case;
  85 SCM_API SCM scm_sym_cond;
  86 SCM_API SCM scm_sym_define;
  87 SCM_API SCM scm_sym_do;
  88 SCM_API SCM scm_sym_if;
  89 SCM_API SCM scm_sym_lambda;
  90 SCM_API SCM scm_sym_let;
  91 SCM_API SCM scm_sym_letstar;
  92 SCM_API SCM scm_sym_letrec;
  93 SCM_API SCM scm_sym_quote;
  94 SCM_API SCM scm_sym_quasiquote;
  95 SCM_API SCM scm_sym_unquote;
  96 SCM_API SCM scm_sym_uq_splicing;
  97
  98 SCM_API SCM scm_sym_at;
  99 SCM_API SCM scm_sym_atat;
 100 SCM_API SCM scm_sym_atapply;
 101 SCM_API SCM scm_sym_atcall_cc;
 102 SCM_API SCM scm_sym_at_call_with_values;
 103 SCM_API SCM scm_sym_delay;
 104 SCM_API SCM scm_sym_eval_when;
 105 SCM_API SCM scm_sym_arrow;
 106 SCM_API SCM scm_sym_else;
 107 SCM_API SCM scm_sym_apply;
 108 SCM_API SCM scm_sym_set_x;
 109 SCM_API SCM scm_sym_args;
 110
 111 \f
 112
 113 SCM_API SCM * scm_ilookup (SCM iloc, SCM env);
 114 SCM_API SCM * scm_lookupcar (SCM vloc, SCM genv, int check);
 115 SCM_API SCM scm_eval_car (SCM pair, SCM env);
 116 SCM_API SCM scm_eval_body (SCM code, SCM env);
 117 SCM_API SCM scm_eval_args (SCM i, SCM env, SCM proc);
 118 SCM_API int scm_badargsp (SCM formals, SCM args);
 119 SCM_API SCM scm_call_0 (SCM proc);
 120 SCM_API SCM scm_call_1 (SCM proc, SCM arg1);
 121 SCM_API SCM scm_call_2 (SCM proc, SCM arg1, SCM arg2);
 122 SCM_API SCM scm_call_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3);
 123 SCM_API SCM scm_call_4 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM arg4);
 124 SCM_API SCM scm_apply_0 (SCM proc, SCM args);
 125 SCM_API SCM scm_apply_1 (SCM proc, SCM arg1, SCM args);
 126 SCM_API SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args);
 127 SCM_API SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args);
 128 SCM_INTERNAL SCM scm_i_call_closure_0 (SCM proc);
 129 SCM_API scm_t_trampoline_0 scm_trampoline_0 (SCM proc);
 130 SCM_API scm_t_trampoline_1 scm_trampoline_1 (SCM proc);
 131 SCM_API scm_t_trampoline_2 scm_trampoline_2 (SCM proc);
 132 SCM_API SCM scm_nconc2last (SCM lst);
 133 SCM_API SCM scm_apply (SCM proc, SCM arg1, SCM args);
 134 SCM_API SCM scm_dapply (SCM proc, SCM arg1, SCM args);
 135 SCM_API SCM scm_map (SCM proc, SCM arg1, SCM args);
 136 SCM_API SCM scm_for_each (SCM proc, SCM arg1, SCM args);
 137 SCM_API SCM scm_closure (SCM code, SCM env);
 138 SCM_API SCM scm_make_promise (SCM thunk);
 139 SCM_API SCM scm_force (SCM x);
 140 SCM_API SCM scm_promise_p (SCM x);
 141 SCM_API SCM scm_cons_source (SCM xorig, SCM x, SCM y);
 142 SCM_API SCM scm_copy_tree (SCM obj);
 143 SCM_API SCM scm_i_eval_x (SCM exp, SCM env) /* not internal */;
 144 SCM_INTERNAL SCM scm_i_eval (SCM exp, SCM env);
 145 SCM_API SCM scm_primitive_eval (SCM exp);
 146 SCM_API SCM scm_primitive_eval_x (SCM exp);
 147 SCM_API SCM scm_eval (SCM exp, SCM module);
 148 SCM_API SCM scm_eval_x (SCM exp, SCM module);
 149
 150 SCM_INTERNAL void scm_i_print_iloc (SCM /*iloc*/, SCM /*port*/);
 151 SCM_INTERNAL void scm_i_print_isym (SCM /*isym*/, SCM /*port*/);
 152 SCM_INTERNAL SCM scm_i_unmemocopy_expr (SCM expr, SCM env);
 153 SCM_INTERNAL SCM scm_i_unmemocopy_body (SCM forms, SCM env);
 154 SCM_INTERNAL void scm_init_eval (void);
 155
 156
 157 #if (SCM_ENABLE_DEPRECATED == 1)
 158
 159 /* Deprecated in guile 1.7.0 on 2004-03-29.  */
 160 SCM_API SCM scm_ceval (SCM x, SCM env);
 161 SCM_API SCM scm_deval (SCM x, SCM env);
 162 SCM_API SCM (*scm_ceval_ptr) (SCM x, SCM env);
 163
 164 #endif
 165
 166
 167 #endif  /* SCM_EVAL_H */
 168
 169 /*
 170   Local Variables:
 171   c-file-style: "gnu"
 172   End:
 173 */