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- /* classes: h_files */
-
- #ifndef EVALH
- #define EVALH
- /* Copyright (C) 1995,1996,1998 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 program 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.
- *
- * 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. */
-
-
- #include "libguile/__scm.h"
-
-
-
- /* {Options}
- */
-
- extern scm_option scm_eval_opts[];
-
- #define SCM_EVAL_STACK scm_eval_opts[0].val
- #define SCM_N_EVAL_OPTIONS 1
-
- extern int scm_eval_stack;
-
- extern scm_option scm_evaluator_trap_table[];
-
- extern SCM scm_eval_options_interface SCM_P ((SCM setting));
-
- #define SCM_TRAPS_P scm_evaluator_trap_table[0].val
- #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_N_EVALUATOR_TRAPS 4
-
-
-
- /* {Ilocs}
- *
- * Ilocs are relative pointers into local environment structures.
- *
- */
- #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) ((int)((SCM_ICDR-SCM_IFRINC)>>8) & ((int)(n)>>8))
- #define SCM_IDIST(n) (((unsigned long)(n))>>20)
- #define SCM_ICDRP(n) (SCM_ICDR & (n))
-
-
-
-
- /* {Evaluator}
- *
- * For an explanation of symbols containing "EVAL", see beginning of eval.c.
- */
- #ifdef DEBUG_EXTENSIONS
- #define XEVAL(x, env) (SCM_IMP(x) \
- ? (x) \
- : (*scm_ceval_ptr) ((x), (env)))
- #else
- #define XEVAL(x, env) (SCM_IMP(x)?(x):scm_ceval((x), (env)))
- #endif /* DEBUG_EXTENSIONS */
-
- #define SCM_CEVAL scm_ceval
- #define SIDEVAL(x, env) if SCM_NIMP(x) SCM_CEVAL((x), (env))
-
-
-
- #define SCM_EXTEND_ENV scm_acons
-
-
- extern SCM scm_i_dot;
- extern SCM scm_i_quote;
- extern SCM scm_i_quasiquote;
- extern SCM scm_i_lambda;
- extern SCM scm_i_let;
- extern SCM scm_i_arrow;
- extern SCM scm_i_else;
- extern SCM scm_i_unquote;
- extern SCM scm_i_uq_splicing;
- extern SCM scm_i_apply;
-
- extern long scm_tc16_macro;
-
- /* A resolved global variable reference in the CAR position
- * of a list is stored (in code only) as a pointer to a pair with a
- * tag of 1. This is called a "gloc".
- */
-
- #define SCM_GLOC_SYM(x) (SCM_CAR((x)-1L))
- #define SCM_GLOC_VAL(x) (SCM_CDR((x)-1L))
- #define SCM_GLOC_VAL_LOC(x) (SCM_CDRLOC((x)-1L))
-
-
-
- extern SCM * scm_ilookup SCM_P ((SCM iloc, SCM env));
- extern SCM * scm_lookupcar SCM_P ((SCM vloc, SCM genv));
- extern SCM scm_unmemocar SCM_P ((SCM form, SCM env));
- extern SCM scm_unmemocopy SCM_P ((SCM form, SCM env));
- extern SCM scm_eval_car SCM_P ((SCM pair, SCM env));
- extern SCM scm_eval_args SCM_P ((SCM i, SCM env, SCM proc));
- extern SCM scm_deval_args SCM_P ((SCM l, SCM env, SCM proc, SCM *lloc));
- extern SCM scm_m_quote SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_begin SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_if SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_set SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_vref SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_vset SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_and SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_or SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_case SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_cond SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_lambda SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_letstar SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_do SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_quasiquote SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_delay SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_define SCM_P ((SCM x, SCM env));
- extern SCM scm_m_letrec SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_let SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_apply SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_cont SCM_P ((SCM xorig, SCM env));
- extern SCM scm_m_undefine SCM_P ((SCM x, SCM env));
- extern int scm_badargsp SCM_P ((SCM formals, SCM args));
- extern SCM scm_ceval SCM_P ((SCM x, SCM env));
- extern SCM scm_deval SCM_P ((SCM x, SCM env));
- extern SCM scm_procedure_documentation SCM_P ((SCM proc));
- extern SCM scm_nconc2last SCM_P ((SCM lst));
- extern SCM scm_apply SCM_P ((SCM proc, SCM arg1, SCM args));
- extern SCM scm_dapply SCM_P ((SCM proc, SCM arg1, SCM args));
- extern SCM SCM_APPLY SCM_P ((SCM proc, SCM arg1, SCM args));
- extern SCM scm_map SCM_P ((SCM proc, SCM arg1, SCM args));
- extern SCM scm_for_each SCM_P ((SCM proc, SCM arg1, SCM args));
- extern SCM scm_closure SCM_P ((SCM code, SCM env));
- extern SCM scm_makprom SCM_P ((SCM code));
- extern SCM scm_makacro SCM_P ((SCM code));
- extern SCM scm_makmacro SCM_P ((SCM code));
- extern SCM scm_makmmacro SCM_P ((SCM code));
- extern SCM scm_macro_p SCM_P ((SCM obj));
- extern SCM scm_macro_type SCM_P ((SCM m));
- extern SCM scm_macro_name SCM_P ((SCM m));
- extern SCM scm_macro_transformer SCM_P ((SCM m));
- extern SCM scm_force SCM_P ((SCM x));
- extern SCM scm_promise_p SCM_P ((SCM x));
- extern SCM scm_copy_tree SCM_P ((SCM obj));
- extern SCM scm_eval_3 SCM_P ((SCM obj, int copyp, SCM env));
- extern SCM scm_top_level_env SCM_P ((SCM thunk));
- extern SCM scm_eval2 SCM_P ((SCM obj, SCM env_thunk));
- extern SCM scm_eval SCM_P ((SCM obj));
- extern SCM scm_eval_x SCM_P ((SCM obj));
- extern SCM scm_macro_eval_x SCM_P ((SCM exp, SCM env));
- extern SCM scm_definedp SCM_P ((SCM sym));
- extern SCM scm_make_synt SCM_P ((char *name,
- SCM (*macroizer) (SCM),
- SCM (*fcn) ()));
- extern void scm_init_eval SCM_P ((void));
-
- #endif /* EVALH */
-