| 1 | |
1 | |
| 2 | /* SCHEME.H */ |
2 | /* SCHEME.H */ |
| 3 | |
3 | |
| 4 | #ifndef SCHEME_H |
4 | #ifndef SCHEME_H |
| 5 | # define SCHEME_H |
5 | #define SCHEME_H |
| 6 | |
6 | |
| 7 | # include <stdio.h> |
7 | #include <stdio.h> |
| 8 | |
8 | |
| 9 | # ifdef __cplusplus |
9 | #ifdef __cplusplus |
| 10 | extern "C" |
10 | extern "C" |
| 11 | { |
11 | { |
| 12 | # endif |
12 | #endif |
| 13 | |
13 | |
| 14 | /* |
14 | /* |
| 15 | * Default values for #define'd symbols |
15 | * Default values for #define'd symbols |
| 16 | */ |
16 | */ |
| 17 | # ifndef STANDALONE /* If used as standalone interpreter */ |
17 | #ifndef STANDALONE /* If used as standalone interpreter */ |
| 18 | # define STANDALONE 1 |
18 | # define STANDALONE 1 |
| 19 | # endif |
19 | #endif |
| 20 | |
20 | |
| 21 | # define USE_STRCASECMP 1 |
21 | #define USE_STRCASECMP 1 |
| 22 | # ifndef USE_STRLWR |
22 | #ifndef USE_STRLWR |
| 23 | # define USE_STRLWR 1 |
23 | # define USE_STRLWR 1 |
| 24 | # endif |
24 | #endif |
| 25 | # define SCHEME_EXPORT static |
25 | #define SCHEME_EXPORT static |
| 26 | |
26 | |
| 27 | # if USE_NO_FEATURES |
27 | #if USE_NO_FEATURES |
| 28 | # define USE_MULTIPLICITY 0 |
28 | # define USE_MULTIPLICITY 0 |
| 29 | # define USE_MATH 0 |
29 | # define USE_MATH 0 |
| 30 | # define USE_CHAR_CLASSIFIERS 0 |
30 | # define USE_CHAR_CLASSIFIERS 0 |
| 31 | # define USE_ASCII_NAMES 0 |
31 | # define USE_ASCII_NAMES 0 |
| 32 | # define USE_PORTS 1 |
32 | # define USE_PORTS 1 |
| 33 | # define USE_STRING_PORTS 0 |
33 | # define USE_STRING_PORTS 0 |
| 34 | # define USE_ERROR_HOOK 0 |
34 | # define USE_ERROR_HOOK 0 |
| 35 | # define USE_TRACING 0 |
35 | # define USE_TRACING 0 |
| 36 | # define USE_COLON_HOOK 0 |
36 | # define USE_COLON_HOOK 0 |
| 37 | # define USE_DL 0 |
37 | # define USE_DL 0 |
| 38 | # define USE_PLIST 0 |
38 | # define USE_PLIST 0 |
| 39 | # define USE_FLOAT 0 |
39 | # define USE_FLOAT 0 |
| 40 | # define USE_ERROR_CHECKING 0 |
40 | # define USE_ERROR_CHECKING 0 |
| 41 | # define USE_PRINTF 0 |
41 | # define USE_PRINTF 0 |
| 42 | # endif |
42 | #endif |
| 43 | |
43 | |
| 44 | /* |
44 | /* |
| 45 | * Leave it defined if you want continuations, and also for the Sharp Zaurus. |
45 | * Leave it defined if you want continuations, and also for the Sharp Zaurus. |
| 46 | * Undefine it if you only care about faster speed and not strict Scheme compatibility. |
46 | * Undefine it if you only care about faster speed and not strict Scheme compatibility. |
| 47 | */ |
47 | */ |
| 48 | //# define USE_SCHEME_STACK |
48 | //#define USE_SCHEME_STACK |
| 49 | |
49 | |
| 50 | # if USE_DL |
50 | #if USE_DL |
| 51 | # define USE_INTERFACE 1 |
51 | # define USE_INTERFACE 1 |
| 52 | # endif |
52 | #endif |
| 53 | |
53 | |
| 54 | # ifndef USE_MULTIPLICITY |
54 | #ifndef USE_MULTIPLICITY |
| 55 | # define USE_MULTIPLICITY 1 |
55 | # define USE_MULTIPLICITY 1 |
| 56 | # endif |
56 | #endif |
| 57 | |
57 | |
| 58 | # ifndef USE_FLOAT |
58 | #ifndef USE_FLOAT |
| 59 | # define USE_FLOAT 1 |
59 | # define USE_FLOAT 1 |
| 60 | # endif |
60 | #endif |
| 61 | |
61 | |
| 62 | # ifndef USE_MATH /* If math support is needed */ |
62 | #ifndef USE_MATH /* If math support is needed */ |
| 63 | # define USE_MATH 1 |
63 | # define USE_MATH 1 |
| 64 | # endif |
64 | #endif |
| 65 | |
65 | |
| 66 | # ifndef USE_CHAR_CLASSIFIERS /* If char classifiers are needed */ |
66 | #ifndef USE_CHAR_CLASSIFIERS /* If char classifiers are needed */ |
| 67 | # define USE_CHAR_CLASSIFIERS 1 |
67 | # define USE_CHAR_CLASSIFIERS 1 |
| 68 | # endif |
68 | #endif |
| 69 | |
69 | |
| 70 | # ifndef USE_ASCII_NAMES /* If extended escaped characters are needed */ |
70 | #ifndef USE_ASCII_NAMES /* If extended escaped characters are needed */ |
| 71 | # define USE_ASCII_NAMES 1 |
71 | # define USE_ASCII_NAMES 1 |
| 72 | # endif |
72 | #endif |
| 73 | |
73 | |
| 74 | # ifndef USE_PORTS /* Enable ports */ |
74 | #ifndef USE_PORTS /* Enable ports */ |
| 75 | # define USE_PORTS 1 |
75 | # define USE_PORTS 1 |
| 76 | # endif |
76 | #endif |
| 77 | |
77 | |
| 78 | # ifndef USE_STRING_PORTS /* Enable string ports */ |
78 | #ifndef USE_STRING_PORTS /* Enable string ports */ |
| 79 | # define USE_STRING_PORTS USE_PORTS |
79 | # define USE_STRING_PORTS USE_PORTS |
| 80 | # endif |
80 | #endif |
| 81 | |
81 | |
| 82 | # ifndef USE_TRACING |
82 | #ifndef USE_TRACING |
| 83 | # define USE_TRACING 1 |
83 | # define USE_TRACING 1 |
| 84 | # endif |
84 | #endif |
| 85 | |
85 | |
| 86 | # ifndef USE_PLIST |
86 | #ifndef USE_PLIST |
| 87 | # define USE_PLIST 0 |
87 | # define USE_PLIST 0 |
| 88 | # endif |
88 | #endif |
| 89 | |
89 | |
| 90 | /* To force system errors through user-defined error handling (see *error-hook*) */ |
90 | /* To force system errors through user-defined error handling (see *error-hook*) */ |
| 91 | # ifndef USE_ERROR_HOOK |
91 | #ifndef USE_ERROR_HOOK |
| 92 | # define USE_ERROR_HOOK 1 |
92 | # define USE_ERROR_HOOK 1 |
| 93 | # endif |
93 | #endif |
| 94 | |
94 | |
| 95 | # ifndef USE_COLON_HOOK /* Enable qualified qualifier */ |
95 | #ifndef USE_COLON_HOOK /* Enable qualified qualifier */ |
| 96 | # define USE_COLON_HOOK 1 |
96 | # define USE_COLON_HOOK 1 |
| 97 | # endif |
97 | #endif |
| 98 | |
98 | |
| 99 | # ifndef USE_ERROR_CHECKING |
99 | #ifndef USE_ERROR_CHECKING |
| 100 | # define USE_ERROR_CHECKING 1 |
100 | # define USE_ERROR_CHECKING 1 |
| 101 | # endif |
101 | #endif |
| 102 | |
102 | |
| 103 | # ifndef USE_PRINTF |
103 | #ifndef USE_PRINTF |
| 104 | # define USE_PRINTF 1 |
104 | # define USE_PRINTF 1 |
| 105 | # endif |
105 | #endif |
| 106 | |
106 | |
| 107 | # ifndef USE_STRLWR |
107 | #ifndef USE_STRLWR |
| 108 | # define USE_STRLWR 1 |
108 | # define USE_STRLWR 1 |
| 109 | # endif |
109 | #endif |
| 110 | |
110 | |
| 111 | # ifndef INLINE |
111 | #ifndef INLINE |
| 112 | # define INLINE inline |
112 | # define INLINE inline |
| 113 | # endif |
113 | #endif |
| 114 | |
114 | |
| 115 | # ifndef SHOW_ERROR_LINE /* Show error line in file */ |
115 | #ifndef SHOW_ERROR_LINE /* Show error line in file */ |
| 116 | # define SHOW_ERROR_LINE 1 |
116 | # define SHOW_ERROR_LINE 1 |
| 117 | # endif |
117 | #endif |
| 118 | |
118 | |
| 119 | # if USE_MULTIPLICITY |
119 | #if USE_MULTIPLICITY |
| 120 | # define SCHEME_V sc |
120 | # define SCHEME_V sc |
| 121 | # define SCHEME_P scheme *SCHEME_V |
121 | # define SCHEME_P scheme *SCHEME_V |
| 122 | # define SCHEME_P_ SCHEME_P, |
122 | # define SCHEME_P_ SCHEME_P, |
| 123 | # define SCHEME_A SCHEME_V |
123 | # define SCHEME_A SCHEME_V |
| 124 | # define SCHEME_A_ SCHEME_A, |
124 | # define SCHEME_A_ SCHEME_A, |
| 125 | # else |
125 | #else |
| 126 | # define SCHEME_V (&sc) |
126 | # define SCHEME_V (&sc) |
| 127 | # define SCHEME_P |
127 | # define SCHEME_P |
| 128 | # define SCHEME_P_ |
128 | # define SCHEME_P_ |
| 129 | # define SCHEME_A |
129 | # define SCHEME_A |
| 130 | # define SCHEME_A_ |
130 | # define SCHEME_A_ |
| 131 | # endif |
131 | #endif |
| 132 | |
132 | |
| 133 | typedef struct scheme scheme; |
133 | typedef struct scheme scheme; |
| 134 | typedef struct cell *pointer; |
134 | typedef struct cell *pointer; |
| 135 | |
135 | |
| 136 | typedef void *(*func_alloc) (size_t); |
136 | typedef void *(*func_alloc) (size_t); |
| 137 | typedef void (*func_dealloc) (void *); |
137 | typedef void (*func_dealloc) (void *); |
| 138 | |
138 | |
| 139 | typedef long IVALUE; /* this is not used consistently yet */ |
139 | typedef long IVALUE; /* this is not used consistently yet */ |
| 140 | |
140 | |
| 141 | # if USE_FLOAT |
141 | #if USE_FLOAT |
| 142 | typedef double RVALUE; |
142 | typedef double RVALUE; |
| 143 | # define num_is_fixnum(n) (n).is_fixnum |
143 | # define num_is_fixnum(n) (n).is_fixnum |
| 144 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
144 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
| 145 | # define num_ivalue(n) (n.is_fixnum?(n).value.ivalue:(IVALUE)(n).value.rvalue) |
145 | # define num_ivalue(n) (n).value.ivalue |
| 146 | # define num_rvalue(n) (!n.is_fixnum?(n).value.rvalue:(RVALUE)(n).value.ivalue) |
146 | # define num_rvalue(n) (n).value.rvalue |
| 147 | # define num_set_ivalue(n,i) (n).value.ivalue = (i) |
147 | # define num_set_ivalue(n,i) (n).value.ivalue = (i) |
| 148 | # define num_set_rvalue(n,r) (n).value.rvalue = (r) |
148 | # define num_set_rvalue(n,r) (n).value.rvalue = (r) |
| 149 | # else |
149 | #else |
| 150 | typedef long RVALUE; |
150 | typedef long RVALUE; |
| 151 | # define num_is_fixnum(n) 1 |
151 | # define num_is_fixnum(n) 1 |
| 152 | # define num_set_fixnum(n,f) 0 |
152 | # define num_set_fixnum(n,f) 0 |
| 153 | # define num_ivalue(n) (n).value.ivalue |
153 | # define num_ivalue(n) (n).value.ivalue |
| 154 | # define num_rvalue(n) (n).value.ivalue |
154 | # define num_rvalue(n) (n).value.ivalue |
| 155 | # define num_set_ivalue(n,i) (n).value.ivalue = (i) |
155 | # define num_set_ivalue(n,i) (n).value.ivalue = (i) |
| 156 | # define num_set_rvalue(n,r) (n).value.ivalue = (r) |
156 | # define num_set_rvalue(n,r) (n).value.ivalue = (r) |
| 157 | # endif |
157 | #endif |
| 158 | |
158 | |
| 159 | /* num, for generic arithmetic */ |
159 | /* num, for generic arithmetic */ |
| 160 | typedef struct num |
160 | typedef struct num |
| 161 | { |
161 | { |
| 162 | union |
162 | union |
| 163 | { |
163 | { |
| 164 | long ivalue; |
164 | long ivalue; |
| 165 | # if USE_FLOAT |
165 | #if USE_FLOAT |
| 166 | RVALUE rvalue; |
166 | RVALUE rvalue; |
| 167 | # endif |
167 | #endif |
| 168 | } value; |
168 | } value; |
| 169 | # if USE_FLOAT |
169 | #if USE_FLOAT |
| 170 | char is_fixnum; |
170 | char is_fixnum; |
| 171 | # endif |
171 | #endif |
| 172 | } num; |
172 | } num; |
| 173 | |
173 | |
| 174 | /* Used for documentation purposes, to signal functions in 'interface' */ |
174 | /* Used for documentation purposes, to signal functions in 'interface' */ |
| 175 | # define INTERFACE static |
175 | #define INTERFACE static |
| 176 | |
176 | |
| 177 | SCHEME_EXPORT scheme *scheme_init_new (); |
177 | SCHEME_EXPORT scheme *scheme_init_new (); |
| 178 | SCHEME_EXPORT int scheme_init (SCHEME_P); |
178 | SCHEME_EXPORT int scheme_init (SCHEME_P); |
| 179 | SCHEME_EXPORT void scheme_deinit (SCHEME_P); |
179 | SCHEME_EXPORT void scheme_deinit (SCHEME_P); |
| 180 | void scheme_set_input_port_file (SCHEME_P_ int fin); |
180 | void scheme_set_input_port_file (SCHEME_P_ int fin); |
| … | |
… | |
| 204 | INTERFACE pointer mk_foreign_func (SCHEME_P_ foreign_func f); |
204 | INTERFACE pointer mk_foreign_func (SCHEME_P_ foreign_func f); |
| 205 | INTERFACE void putstr (SCHEME_P_ const char *s); |
205 | INTERFACE void putstr (SCHEME_P_ const char *s); |
| 206 | INTERFACE int list_length (SCHEME_P_ pointer a); |
206 | INTERFACE int list_length (SCHEME_P_ pointer a); |
| 207 | INTERFACE int eqv (pointer a, pointer b); |
207 | INTERFACE int eqv (pointer a, pointer b); |
| 208 | |
208 | |
| 209 | # if !STANDALONE |
209 | #if !STANDALONE |
| 210 | typedef struct scheme_registerable |
210 | typedef struct scheme_registerable |
| 211 | { |
211 | { |
| 212 | foreign_func f; |
212 | foreign_func f; |
| 213 | const char *name; |
213 | const char *name; |
| 214 | } |
214 | } |
| 215 | scheme_registerable; |
215 | scheme_registerable; |
| 216 | |
216 | |
| 217 | void scheme_register_foreign_func_list (SCHEME_P_ scheme_registerable * list, int n); |
217 | void scheme_register_foreign_func_list (SCHEME_P_ scheme_registerable * list, int n); |
| 218 | |
218 | |
| 219 | # endif /* !STANDALONE */ |
219 | #endif /* !STANDALONE */ |
| 220 | |
220 | |
| 221 | # ifdef __cplusplus |
221 | #ifdef __cplusplus |
| 222 | } |
222 | } |
| 223 | # endif |
223 | #endif |
| 224 | |
224 | |
| 225 | #endif |
225 | #endif |
| 226 | |
|
|
| 227 | |
226 | |
| 228 | /* |
227 | /* |
| 229 | Local variables: |
228 | Local variables: |
| 230 | c-file-style: "k&r" |
229 | c-file-style: "k&r" |
| 231 | End: |
230 | End: |
