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1 | /* classes: h_files */ |
2 | ||
3 | #ifndef EVALH | |
4 | #define EVALH | |
5 | /* Copyright (C) 1995,1996 Free Software Foundation, Inc. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
19 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | * As a special exception, the Free Software Foundation gives permission | |
22 | * for additional uses of the text contained in its release of GUILE. | |
23 | * | |
24 | * The exception is that, if you link the GUILE library with other files | |
25 | * to produce an executable, this does not by itself cause the | |
26 | * resulting executable to be covered by the GNU General Public License. | |
27 | * Your use of that executable is in no way restricted on account of | |
28 | * linking the GUILE library code into it. | |
29 | * | |
30 | * This exception does not however invalidate any other reasons why | |
31 | * the executable file might be covered by the GNU General Public License. | |
32 | * | |
33 | * This exception applies only to the code released by the | |
34 | * Free Software Foundation under the name GUILE. If you copy | |
35 | * code from other Free Software Foundation releases into a copy of | |
36 | * GUILE, as the General Public License permits, the exception does | |
37 | * not apply to the code that you add in this way. To avoid misleading | |
38 | * anyone as to the status of such modified files, you must delete | |
39 | * this exception notice from them. | |
40 | * | |
41 | * If you write modifications of your own for GUILE, it is your choice | |
42 | * whether to permit this exception to apply to your modifications. | |
43 | * If you do not wish that, delete this exception notice. | |
44 | */ | |
45 | \f | |
46 | ||
b4309c3c | 47 | #include "libguile/__scm.h" |
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48 | |
49 | \f | |
50 | ||
51 | /* {Ilocs} | |
52 | * | |
53 | * Ilocs are relative pointers into local environment structures. | |
54 | * | |
55 | */ | |
56 | #define SCM_ILOCP(n) (SCM_ITAG8(n)==scm_tc8_iloc) | |
57 | #define SCM_ILOC00 SCM_MAKE_ITAG8(0L, scm_tc8_iloc) | |
58 | #define SCM_IDINC (0x00100000L) | |
59 | #define SCM_ICDR (0x00080000L) | |
60 | #define SCM_IFRINC (0x00000100L) | |
61 | #define SCM_IDSTMSK (-SCM_IDINC) | |
62 | #define SCM_IFRAME(n) ((int)((SCM_ICDR-SCM_IFRINC)>>8) & ((int)(n)>>8)) | |
63 | #define SCM_IDIST(n) (((unsigned long)(n))>>20) | |
64 | #define SCM_ICDRP(n) (SCM_ICDR & (n)) | |
65 | ||
66 | \f | |
67 | ||
68 | ||
8d1e7f8c MD |
69 | /* {Evaluator} |
70 | * | |
71 | * For an explanation of symbols containing "EVAL", see beginning of eval.c. | |
72 | */ | |
0f2d19dd | 73 | #ifdef DEBUG_EXTENSIONS |
8d1e7f8c | 74 | #define XEVAL(x, env) (SCM_IMP(x) \ |
0f2d19dd JB |
75 | ? (x) \ |
76 | : (*scm_ceval_ptr) ((x), (env))) | |
77 | #else | |
8d1e7f8c | 78 | #define XEVAL(x, env) (SCM_IMP(x)?(x):scm_ceval((x), (env))) |
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79 | #endif /* DEBUG_EXTENSIONS */ |
80 | ||
81 | #define SCM_CEVAL scm_ceval | |
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82 | #define SIDEVAL(x, env) if SCM_NIMP(x) SCM_CEVAL((x), (env)) |
83 | ||
84 | \f | |
85 | ||
e2806c10 | 86 | #define SCM_EXTEND_ENV scm_acons |
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87 | |
88 | \f | |
89 | extern SCM scm_i_dot; | |
90 | extern SCM scm_i_quote; | |
91 | extern SCM scm_i_quasiquote; | |
92 | extern SCM scm_i_lambda; | |
93 | extern SCM scm_i_let; | |
94 | extern SCM scm_i_arrow; | |
95 | extern SCM scm_i_else; | |
96 | extern SCM scm_i_unquote; | |
97 | extern SCM scm_i_uq_splicing; | |
98 | extern SCM scm_i_apply; | |
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99 | |
100 | ||
101 | /* A resolved global variable reference in the CAR position | |
102 | * of a list is stored (in code only) as a pointer to a pair with a | |
103 | * tag of 1. This is called a "gloc". | |
104 | */ | |
105 | ||
106 | #define SCM_GLOC_SYM(x) (SCM_CAR((x)-1L)) | |
107 | #define SCM_GLOC_VAL(x) (SCM_CDR((x)-1L)) | |
108 | ||
109 | \f | |
1cc91f1b JB |
110 | |
111 | extern SCM * scm_ilookup SCM_P ((SCM iloc, SCM env)); | |
112 | extern SCM * scm_lookupcar SCM_P ((SCM vloc, SCM genv)); | |
113 | extern SCM scm_unmemocar SCM_P ((SCM form, SCM env)); | |
114 | extern SCM scm_unmemocopy SCM_P ((SCM form, SCM env)); | |
115 | extern SCM scm_eval_car SCM_P ((SCM pair, SCM env)); | |
116 | extern SCM scm_eval_args SCM_P ((SCM i, SCM env)); | |
117 | extern SCM scm_deval_args SCM_P ((SCM l, SCM env, SCM *lloc)); | |
118 | extern SCM scm_m_quote SCM_P ((SCM xorig, SCM env)); | |
119 | extern SCM scm_m_begin SCM_P ((SCM xorig, SCM env)); | |
120 | extern SCM scm_m_if SCM_P ((SCM xorig, SCM env)); | |
121 | extern SCM scm_m_set SCM_P ((SCM xorig, SCM env)); | |
122 | extern SCM scm_m_vref SCM_P ((SCM xorig, SCM env)); | |
123 | extern SCM scm_m_vset SCM_P ((SCM xorig, SCM env)); | |
124 | extern SCM scm_m_and SCM_P ((SCM xorig, SCM env)); | |
125 | extern SCM scm_m_or SCM_P ((SCM xorig, SCM env)); | |
126 | extern SCM scm_m_case SCM_P ((SCM xorig, SCM env)); | |
127 | extern SCM scm_m_cond SCM_P ((SCM xorig, SCM env)); | |
128 | extern SCM scm_m_lambda SCM_P ((SCM xorig, SCM env)); | |
129 | extern SCM scm_m_letstar SCM_P ((SCM xorig, SCM env)); | |
130 | extern SCM scm_m_do SCM_P ((SCM xorig, SCM env)); | |
131 | extern SCM scm_m_quasiquote SCM_P ((SCM xorig, SCM env)); | |
132 | extern SCM scm_m_delay SCM_P ((SCM xorig, SCM env)); | |
133 | extern SCM scm_m_define SCM_P ((SCM x, SCM env)); | |
134 | extern SCM scm_m_letrec SCM_P ((SCM xorig, SCM env)); | |
135 | extern SCM scm_m_let SCM_P ((SCM xorig, SCM env)); | |
136 | extern SCM scm_m_apply SCM_P ((SCM xorig, SCM env)); | |
137 | extern SCM scm_m_cont SCM_P ((SCM xorig, SCM env)); | |
138 | extern SCM scm_m_undefine SCM_P ((SCM x, SCM env)); | |
139 | extern int scm_badargsp SCM_P ((SCM formals, SCM args)); | |
140 | extern SCM scm_ceval SCM_P ((SCM x, SCM env)); | |
141 | extern SCM scm_deval SCM_P ((SCM x, SCM env)); | |
142 | extern SCM scm_procedure_documentation SCM_P ((SCM proc)); | |
143 | extern SCM scm_nconc2last SCM_P ((SCM lst)); | |
144 | extern SCM scm_apply SCM_P ((SCM proc, SCM arg1, SCM args)); | |
145 | extern SCM scm_dapply SCM_P ((SCM proc, SCM arg1, SCM args)); | |
146 | extern SCM SCM_APPLY SCM_P ((SCM proc, SCM arg1, SCM args)); | |
147 | extern SCM scm_map SCM_P ((SCM proc, SCM arg1, SCM args)); | |
148 | extern SCM scm_for_each SCM_P ((SCM proc, SCM arg1, SCM args)); | |
149 | extern SCM scm_closure SCM_P ((SCM code, SCM env)); | |
150 | extern SCM scm_makprom SCM_P ((SCM code)); | |
151 | extern SCM scm_makacro SCM_P ((SCM code)); | |
152 | extern SCM scm_makmacro SCM_P ((SCM code)); | |
153 | extern SCM scm_makmmacro SCM_P ((SCM code)); | |
154 | extern SCM scm_force SCM_P ((SCM x)); | |
155 | extern SCM scm_promise_p SCM_P ((SCM x)); | |
156 | extern SCM scm_copy_tree SCM_P ((SCM obj)); | |
157 | extern SCM scm_eval_3 SCM_P ((SCM obj, int copyp, SCM env)); | |
158 | extern SCM scm_top_level_env SCM_P ((SCM thunk)); | |
159 | extern SCM scm_eval2 SCM_P ((SCM obj, SCM env_thunk)); | |
160 | extern SCM scm_eval SCM_P ((SCM obj)); | |
161 | extern SCM scm_eval_x SCM_P ((SCM obj)); | |
162 | extern SCM scm_macro_eval_x SCM_P ((SCM exp, SCM env)); | |
163 | extern SCM scm_definedp SCM_P ((SCM x, SCM env)); | |
164 | extern SCM scm_make_synt SCM_P ((char *name, | |
165 | SCM (*macroizer) (SCM), | |
166 | SCM (*fcn) ())); | |
167 | extern void scm_init_eval SCM_P ((void)); | |
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168 | |
169 | #endif /* EVALH */ |