/* classes: h_files */
-#ifndef EVALH
-#define EVALH
-/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
+#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
*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
*
* 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.
- */
+ * If you do not wish that, delete this exception notice. */
\f
#include "libguile/__scm.h"
+#include "struct.h"
+
+\f
+
+/* {Options}
+ */
+
+extern scm_t_option scm_eval_opts[];
+
+#define SCM_EVAL_STACK scm_eval_opts[0].val
+#define SCM_N_EVAL_OPTIONS 1
+
+extern long scm_eval_stack;
+
+extern scm_t_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_ENTER_FRAME_HDLR (SCM)(scm_evaluator_trap_table[4].val)
+#define SCM_APPLY_FRAME_HDLR (SCM)(scm_evaluator_trap_table[5].val)
+#define SCM_EXIT_FRAME_HDLR (SCM)(scm_evaluator_trap_table[6].val)
+#define SCM_N_EVALUATOR_TRAPS 7
+
\f
/* {Ilocs}
#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))
+#define SCM_IFRAME(n) ((long)((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))
\f
*
* For an explanation of symbols containing "EVAL", see beginning of eval.c.
*/
+#define SCM_EVALIM2(x) \
+ ((SCM_EQ_P ((x), SCM_EOL) \
+ ? scm_misc_error (NULL, scm_s_expression, SCM_EOL), 0 \
+ : 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 XEVAL(x, env) (SCM_IMP(x) \
- ? (x) \
- : (*scm_ceval_ptr) ((x), (env)))
+#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 XEVAL(x, env) (SCM_IMP(x)?(x):scm_ceval((x), (env)))
+#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_CEVAL scm_ceval
-#define SIDEVAL(x, env) if SCM_NIMP(x) SCM_CEVAL((x), (env))
-
\f
#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())
+
+#if SCM_DEBUG_DEPRECATED == 0
+
+extern SCM scm_top_level_lookup_closure_var;
+extern SCM scm_system_transformer;
+#endif
+
+
\f
-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 SCM scm_i_name;
+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
+ * of a list is stored (in code only) as a pointer to a variable 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_VAR(x) (SCM_PACK(SCM_UNPACK(x)-scm_tc3_cons_gloc))
+#define SCM_GLOC_VAL(x) (SCM_VARIABLE_REF (SCM_GLOC_VAR (x)))
+#define SCM_GLOC_SET_VAL(x, y) (SCM_VARIABLE_SET (SCM_GLOC_VAR (x), y))
+#define SCM_GLOC_VAL_LOC(x) (SCM_VARIABLE_LOC (SCM_GLOC_VAR (x)))
\f
-#ifdef __STDC__
+
extern SCM * scm_ilookup (SCM iloc, SCM env);
-extern SCM * scm_lookupcar (SCM vloc, SCM genv);
+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_args (SCM i, SCM env);
-extern SCM scm_deval_args (SCM l, SCM env, SCM *lloc);
+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 (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_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_undefine (SCM x, 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_procedure_documentation (SCM proc);
+extern SCM scm_call_0 (SCM proc);
+extern SCM scm_call_1 (SCM proc, SCM arg1);
+extern SCM scm_call_2 (SCM proc, SCM arg1, SCM arg2);
+extern SCM scm_call_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3);
+extern SCM scm_call_4 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM arg4);
+extern SCM scm_apply_0 (SCM proc, SCM args);
+extern SCM scm_apply_1 (SCM proc, SCM arg1, SCM args);
+extern SCM scm_apply_2 (SCM proc, SCM arg1, SCM arg2, SCM args);
+extern SCM scm_apply_3 (SCM proc, SCM arg1, SCM arg2, SCM arg3, SCM args);
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_APPLY (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_makacro (SCM code);
-extern SCM scm_makmacro (SCM code);
-extern SCM scm_makmmacro (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_top_level_env (SCM thunk);
extern SCM scm_eval2 (SCM obj, SCM env_thunk);
-extern SCM scm_eval (SCM obj);
-extern SCM scm_eval_x (SCM obj);
-extern SCM scm_macro_eval_x (SCM exp, SCM env);
-extern SCM scm_definedp (SCM x, SCM env);
-extern SCM scm_make_synt (char *name, SCM (*macroizer) (), SCM (*fcn) ());
+#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);
-#else /* STDC */
-extern SCM * scm_ilookup ();
-extern SCM * scm_lookupcar ();
-extern SCM scm_unmemocar ();
-extern SCM scm_unmemocopy ();
-extern SCM scm_eval_car ();
-extern SCM scm_eval_args ();
-extern SCM scm_deval_args ();
-extern SCM scm_m_quote ();
-extern SCM scm_m_begin ();
-extern SCM scm_m_if ();
-extern SCM scm_m_set ();
-extern SCM scm_m_vref ();
-extern SCM scm_m_vset ();
-extern SCM scm_m_and ();
-extern SCM scm_m_or ();
-extern SCM scm_m_case ();
-extern SCM scm_m_cond ();
-extern SCM scm_m_lambda ();
-extern SCM scm_m_letstar ();
-extern SCM scm_m_do ();
-extern SCM scm_m_quasiquote ();
-extern SCM scm_m_delay ();
-extern SCM scm_m_define ();
-extern SCM scm_m_letrec ();
-extern SCM scm_m_let ();
-extern SCM scm_m_apply ();
-extern SCM scm_m_cont ();
-extern SCM scm_m_undefine ();
-extern int scm_badargsp ();
-extern SCM scm_ceval ();
-extern SCM scm_deval ();
-extern SCM scm_procedure_documentation ();
-extern SCM scm_nconc2last ();
-extern SCM scm_apply ();
-extern SCM scm_dapply ();
-extern SCM SCM_APPLY ();
-extern SCM scm_map ();
-extern SCM scm_for_each ();
-extern SCM scm_closure ();
-extern SCM scm_makprom ();
-extern SCM scm_makacro ();
-extern SCM scm_makmacro ();
-extern SCM scm_makmmacro ();
-extern SCM scm_force ();
-extern SCM scm_promise_p ();
-extern SCM scm_copy_tree ();
-extern SCM scm_eval_3 ();
-extern SCM scm_top_level_env ();
-extern SCM scm_eval2 ();
-extern SCM scm_eval ();
-extern SCM scm_eval_x ();
-extern SCM scm_macro_eval_x ();
-extern SCM scm_definedp ();
-extern SCM scm_make_synt ();
-extern void scm_init_eval ();
-
-#endif /* STDC */
-
-#endif /* EVALH */
+#endif /* SCM_EVAL_H */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/