X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/bcdab802c99253f9a81caef7b3c70014f1f58bde..393301c5190d41f531c22b18f70e450207ea1418:/libguile/eval.h diff --git a/libguile/eval.h b/libguile/eval.h dissimilarity index 93% index aee3a399d..6341f14b4 100644 --- a/libguile/eval.h +++ b/libguile/eval.h @@ -1,266 +1,95 @@ -/* classes: h_files */ - -#ifndef SCM_EVAL_H -#define SCM_EVAL_H -/* Copyright (C) 1995,1996,1998,1999,2000,2001 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" - -/* Needed by SCM_TOP_LEVEL_LOOKUP_CLOSURE below. */ - -#include "struct.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 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) \ - & (SCM_UNPACK (n) >> 8)) -#define SCM_IDIST(n) (SCM_UNPACK (n) >> 20) -#define SCM_ICDRP(n) (SCM_ICDR & SCM_UNPACK (n)) - - - - -/* {Evaluator} - * - * For an explanation of symbols containing "EVAL", see beginning of eval.c. - */ -#define SCM_EVALIM2(x) (((x) == SCM_EOL) \ - ? scm_misc_error (NULL, scm_s_expression, SCM_EOL), 0 \ - : (x)) -#ifdef MEMOIZE_LOCALS -#define SCM_EVALIM(x, env) (SCM_ILOCP (x) \ - ? *scm_ilookup ((x), env) \ - : SCM_EVALIM2(x)) -#else -#define SCM_EVALIM(x, env) SCM_EVALIM2(x) -#endif -#ifdef DEBUG_EXTENSIONS -#define SCM_XEVAL(x, env) (SCM_IMP (x) \ - ? SCM_EVALIM2(x) \ - : (*scm_ceval_ptr) ((x), (env))) -#define SCM_XEVALCAR(x, env) (SCM_NCELLP (SCM_CAR (x)) \ - ? (SCM_IMP (SCM_CAR (x)) \ - ? SCM_EVALIM (SCM_CAR (x), env) \ - : SCM_GLOC_VAL (SCM_CAR (x))) \ - : (SCM_SYMBOLP (SCM_CAR (x)) \ - ? *scm_lookupcar (x, env, 1) \ - : (*scm_ceval_ptr) (SCM_CAR (x), env))) -#else -#define SCM_XEVAL(x, env) (SCM_IMP (x) \ - ? SCM_EVALIM2(x) \ - : scm_ceval ((x), (env))) -#define SCM_XEVALCAR(x, env) EVALCAR (x, env) -#endif /* DEBUG_EXTENSIONS */ - - - -#define SCM_EXTEND_ENV scm_acons - -/*fixme* This should probably be removed throught the code. */ - -#define SCM_TOP_LEVEL_LOOKUP_CLOSURE \ - SCM_MODULE_EVAL_CLOSURE (scm_current_module ()) - -#if SCM_DEBUG_DEPRECATED == 0 - -extern SCM scm_top_level_lookup_closure_var; -extern SCM scm_system_transformer; -#endif - - - -extern const char scm_s_expression[]; -extern const char scm_s_test[]; -extern const char scm_s_body[]; -extern const char scm_s_bindings[]; -extern const char scm_s_variable[]; -extern const char scm_s_clauses[]; -extern const char scm_s_formals[]; -extern const char scm_s_set_x[]; - -extern SCM scm_sym_and; -extern SCM scm_sym_begin; -extern SCM scm_sym_case; -extern SCM scm_sym_cond; -extern SCM scm_sym_define; -extern SCM scm_sym_do; -extern SCM scm_sym_if; -extern SCM scm_sym_lambda; -extern SCM scm_sym_let; -extern SCM scm_sym_letstar; -extern SCM scm_sym_letrec; -extern SCM scm_sym_quote; -extern SCM scm_sym_quasiquote; -extern SCM scm_sym_unquote; -extern SCM scm_sym_uq_splicing; - -extern SCM scm_sym_dot; -extern SCM scm_sym_atapply; -extern SCM scm_sym_atcall_cc; -extern SCM scm_sym_at_call_with_values; -extern SCM scm_sym_delay; -extern SCM scm_sym_arrow; -extern SCM scm_sym_else; -extern SCM scm_sym_apply; -extern SCM scm_sym_set_x; -extern SCM scm_sym_args; - -extern SCM scm_f_apply; - -/* 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 (SCM_PACK (SCM_UNPACK (x) - 1L))) -#define SCM_GLOC_VAL(x) (SCM_CDR (SCM_PACK (SCM_UNPACK (x) - 1L))) -#define SCM_GLOC_VAL_LOC(x) (SCM_CDRLOC (SCM_PACK (SCM_UNPACK (x) - 1L))) - - - -extern SCM * scm_ilookup (SCM iloc, SCM env); -extern SCM * scm_lookupcar (SCM vloc, SCM genv, int check); -extern SCM scm_unmemocar (SCM form, SCM env); -extern SCM scm_unmemocopy (SCM form, SCM env); -extern SCM scm_eval_car (SCM pair, SCM env); -extern SCM scm_eval_body (SCM code, SCM env); -extern SCM scm_eval_args (SCM i, SCM env, SCM proc); -extern SCM scm_deval_args (SCM l, SCM env, SCM proc, SCM *lloc); -extern SCM scm_m_quote (SCM xorig, SCM env); -extern SCM scm_m_begin (SCM xorig, SCM env); -extern SCM scm_m_if (SCM xorig, SCM env); -extern SCM scm_m_set_x (SCM xorig, SCM env); -extern SCM scm_m_vref (SCM xorig, SCM env); -extern SCM scm_m_vset (SCM xorig, SCM env); -extern SCM scm_m_and (SCM xorig, SCM env); -extern SCM scm_m_or (SCM xorig, SCM env); -extern SCM scm_m_case (SCM xorig, SCM env); -extern SCM scm_m_cond (SCM xorig, SCM env); -extern SCM scm_m_lambda (SCM xorig, SCM env); -extern SCM scm_m_letstar (SCM xorig, SCM env); -extern SCM scm_m_do (SCM xorig, SCM env); -extern SCM scm_m_quasiquote (SCM xorig, SCM env); -extern SCM scm_m_delay (SCM xorig, SCM env); -extern SCM scm_m_define (SCM x, SCM env); -extern SCM scm_m_letrec (SCM xorig, SCM env); -extern SCM scm_m_let (SCM xorig, SCM env); -extern SCM scm_m_apply (SCM xorig, SCM env); -extern SCM scm_m_cont (SCM xorig, SCM env); -extern SCM scm_m_nil_cond (SCM xorig, SCM env); -extern SCM scm_m_nil_ify (SCM xorig, SCM env); -extern SCM scm_m_t_ify (SCM xorig, SCM env); -extern SCM scm_m_0_cond (SCM xorig, SCM env); -extern SCM scm_m_0_ify (SCM xorig, SCM env); -extern SCM scm_m_1_ify (SCM xorig, SCM env); -extern SCM scm_m_atfop (SCM xorig, SCM env); -extern SCM scm_m_atbind (SCM xorig, SCM env); -extern SCM scm_m_at_call_with_values (SCM xorig, SCM env); -extern int scm_badargsp (SCM formals, SCM args); -extern SCM scm_ceval (SCM x, SCM env); -extern SCM scm_deval (SCM x, SCM env); -extern SCM scm_nconc2last (SCM lst); -extern SCM scm_apply (SCM proc, SCM arg1, SCM args); -extern SCM scm_dapply (SCM proc, SCM arg1, SCM args); -extern SCM scm_m_expand_body (SCM xorig, SCM env); -extern SCM scm_macroexp (SCM x, SCM env); -extern SCM scm_map (SCM proc, SCM arg1, SCM args); -extern SCM scm_for_each (SCM proc, SCM arg1, SCM args); -extern SCM scm_closure (SCM code, SCM env); -extern SCM scm_makprom (SCM code); -extern SCM scm_force (SCM x); -extern SCM scm_promise_p (SCM x); -extern SCM scm_cons_source (SCM xorig, SCM x, SCM y); -extern SCM scm_copy_tree (SCM obj); -#if SCM_DEBUG_DEPRECATED == 0 -extern SCM scm_eval_3 (SCM obj, int copyp, SCM env); -extern SCM scm_eval2 (SCM obj, SCM env_thunk); -#endif -extern SCM scm_i_eval_x (SCM exp, SCM env); -extern SCM scm_i_eval (SCM exp, SCM env); -extern SCM scm_primitive_eval (SCM exp); -extern SCM scm_primitive_eval_x (SCM exp); -extern SCM scm_eval (SCM exp, SCM module); -extern SCM scm_eval_x (SCM exp, SCM module); - -extern void scm_init_eval (void); - -#endif /* SCM_EVAL_H */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ +/* classes: h_files */ + +#ifndef SCM_EVAL_H +#define SCM_EVAL_H + +/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003,2004,2008,2009 + * Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" + +#include "libguile/struct.h" +#include "libguile/memoize.h" + + + +/* {Options} + */ + + + + +/* {Ilocs} + * + * Ilocs are relative pointers into local environment structures. + * + */ +#define SCM_ILOCP(n) (SCM_ITAG8(n)==scm_tc8_iloc) + + + +/* {Evaluator} + */ + +typedef SCM (*scm_t_trampoline_0) (SCM proc); +typedef SCM (*scm_t_trampoline_1) (SCM proc, SCM arg1); +typedef SCM (*scm_t_trampoline_2) (SCM proc, SCM arg1, SCM arg2); + + + +#define SCM_EXTEND_ENV scm_acons + +/*fixme* This should probably be removed throught the code. */ + +#define SCM_TOP_LEVEL_LOOKUP_CLOSURE (scm_current_module_lookup_closure()) + + + +SCM_API int scm_badargsp (SCM formals, SCM args); +SCM_API SCM scm_call_0 (SCM proc); +SCM_API SCM scm_call_1 (SCM proc, SCM arg1); +SCM_API SCM scm_call_2 (SCM proc, SCM arg1, SCM arg2); +SCM_API SCM scm_call_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3); +SCM_API SCM scm_call_4 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM arg4); +SCM_API SCM scm_apply_0 (SCM proc, SCM args); +SCM_API SCM scm_apply_1 (SCM proc, SCM arg1, SCM args); +SCM_API SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args); +SCM_API SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args); +SCM_API SCM scm_nconc2last (SCM lst); +SCM_API SCM scm_apply (SCM proc, SCM arg1, SCM args); +#define scm_dapply(proc,arg1,args) scm_apply (proc, arg1, args) +SCM_API SCM scm_map (SCM proc, SCM arg1, SCM args); +SCM_API SCM scm_for_each (SCM proc, SCM arg1, SCM args); +SCM_API SCM scm_primitive_eval (SCM exp); +#define scm_primitive_eval_x(exp) scm_primitive_eval (exp) +SCM_API SCM scm_eval (SCM exp, SCM module); +#define scm_eval_x(exp, module) scm_eval (exp, module) + +SCM_INTERNAL void scm_init_eval (void); + + +#endif /* SCM_EVAL_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/