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/cvs/microscheme/scheme.h
Revision: 1.9
Committed: Mon Nov 30 13:07:34 2015 UTC (8 years, 6 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.8: +5 -0 lines
Log Message:
intcache

File Contents

# User Rev Content
1 root 1.5 /*
2     * µscheme
3     *
4     * Copyright (C) 2015 Marc Alexander Lehmann <uscheme@schmorp.de>
5     * do as you want with this, attribution appreciated.
6     */
7 root 1.1
8     /* SCHEME.H */
9    
10     #ifndef SCHEME_H
11 root 1.2 #define SCHEME_H
12 root 1.1
13 root 1.3 #include <inttypes.h>
14 root 1.2 #include <stdio.h>
15 root 1.1
16 root 1.2 #ifdef __cplusplus
17 root 1.1 extern "C"
18     {
19 root 1.2 #endif
20 root 1.1
21     /*
22     * Default values for #define'd symbols
23     */
24 root 1.2 #ifndef STANDALONE /* If used as standalone interpreter */
25     # define STANDALONE 1
26     #endif
27    
28     #define SCHEME_EXPORT static
29    
30     #if USE_NO_FEATURES
31     # define USE_MULTIPLICITY 0
32     # define USE_MATH 0
33     # define USE_CHAR_CLASSIFIERS 0
34     # define USE_ASCII_NAMES 0
35     # define USE_PORTS 1
36     # define USE_STRING_PORTS 0
37     # define USE_ERROR_HOOK 0
38     # define USE_TRACING 0
39     # define USE_COLON_HOOK 0
40     # define USE_DL 0
41     # define USE_PLIST 0
42 root 1.5 # define USE_REAL 0
43 root 1.2 # define USE_ERROR_CHECKING 0
44     # define USE_PRINTF 0
45 root 1.9 # define USE_INTCACHE 0
46 root 1.2 #endif
47 root 1.1
48     /*
49 root 1.4 * Define: much slower, but somewhat smaller evaluation stack implemention, use more memory
50     * Undefined: faster, somewhat bigger implementation, uses less memory at runtime
51 root 1.1 */
52 root 1.4 /*#define USE_SCHEME_STACK*/
53 root 1.2
54     #ifndef USE_MULTIPLICITY
55     # define USE_MULTIPLICITY 1
56     #endif
57    
58 root 1.5 #ifndef USE_REAL
59     # define USE_REAL 1
60 root 1.2 #endif
61 root 1.1
62 root 1.2 #ifndef USE_MATH /* If math support is needed */
63     # define USE_MATH 1
64     #endif
65    
66     #ifndef USE_CHAR_CLASSIFIERS /* If char classifiers are needed */
67     # define USE_CHAR_CLASSIFIERS 1
68     #endif
69    
70     #ifndef USE_ASCII_NAMES /* If extended escaped characters are needed */
71     # define USE_ASCII_NAMES 1
72     #endif
73    
74     #ifndef USE_PORTS /* Enable ports */
75     # define USE_PORTS 1
76     #endif
77    
78     #ifndef USE_STRING_PORTS /* Enable string ports */
79     # define USE_STRING_PORTS USE_PORTS
80     #endif
81    
82     #ifndef USE_TRACING
83     # define USE_TRACING 1
84     #endif
85    
86     #ifndef USE_PLIST
87 root 1.8 # define USE_PLIST 1
88 root 1.2 #endif
89 root 1.1
90     /* To force system errors through user-defined error handling (see *error-hook*) */
91 root 1.2 #ifndef USE_ERROR_HOOK
92     # define USE_ERROR_HOOK 1
93     #endif
94    
95     #ifndef USE_COLON_HOOK /* Enable qualified qualifier */
96     # define USE_COLON_HOOK 1
97     #endif
98    
99     #ifndef USE_ERROR_CHECKING
100     # define USE_ERROR_CHECKING 1
101     #endif
102    
103     #ifndef USE_PRINTF
104     # define USE_PRINTF 1
105     #endif
106    
107 root 1.6 #ifndef USE_IGNORECASE
108     # define USE_IGNORECASE 1
109 root 1.2 #endif
110    
111 root 1.9 #ifndef USE_INTCACHE
112     # define USE_INTCACHE 1
113     #endif
114    
115 root 1.6 #ifndef SHOW_ERROR_LINE /* Show error line in file */
116     # define SHOW_ERROR_LINE 1
117 root 1.2 #endif
118    
119 root 1.6 #if !USE_REAL
120     # undef USE_MATH
121     # define USE_MATH 0
122 root 1.2 #endif
123    
124 root 1.8 /* property lists currently broken to to symbol change*/
125     #undef USE_PLIST
126     #define USE_PLIST 0
127    
128 root 1.2 #if USE_MULTIPLICITY
129     # define SCHEME_V sc
130     # define SCHEME_P scheme *SCHEME_V
131     # define SCHEME_P_ SCHEME_P,
132     # define SCHEME_A SCHEME_V
133     # define SCHEME_A_ SCHEME_A,
134     #else
135     # define SCHEME_V (&sc)
136     # define SCHEME_P
137     # define SCHEME_P_
138     # define SCHEME_A
139     # define SCHEME_A_
140     #endif
141 root 1.1
142 root 1.5 typedef struct scheme scheme;
143     typedef struct cell *pointer;
144 root 1.1
145 root 1.5 typedef long IVALUE; /* this is not used consistently yet */
146     #if USE_REAL
147     typedef double RVALUE;
148 root 1.2 #else
149 root 1.5 typedef long RVALUE;
150 root 1.2 #endif
151 root 1.1
152     /* Used for documentation purposes, to signal functions in 'interface' */
153 root 1.2 #define INTERFACE static
154 root 1.1
155 root 1.5 SCHEME_EXPORT scheme *scheme_init_new ();
156     SCHEME_EXPORT int scheme_init (SCHEME_P);
157     SCHEME_EXPORT void scheme_deinit (SCHEME_P);
158     void scheme_set_input_port_file (SCHEME_P_ int fin);
159     void scheme_set_input_port_string (SCHEME_P_ char *start, char *past_the_end);
160     SCHEME_EXPORT void scheme_set_output_port_file (SCHEME_P_ int fin);
161     void scheme_set_output_port_string (SCHEME_P_ char *start, char *past_the_end);
162     SCHEME_EXPORT void scheme_load_file (SCHEME_P_ int fin);
163     SCHEME_EXPORT void scheme_load_named_file (SCHEME_P_ int fin, const char *filename);
164     SCHEME_EXPORT void scheme_load_string (SCHEME_P_ const char *cmd);
165     SCHEME_EXPORT pointer scheme_apply0 (SCHEME_P_ const char *procname);
166     SCHEME_EXPORT pointer scheme_call (SCHEME_P_ pointer func, pointer args);
167     SCHEME_EXPORT pointer scheme_eval (SCHEME_P_ pointer obj);
168     void scheme_set_external_data (SCHEME_P_ void *p);
169     SCHEME_EXPORT void scheme_define (SCHEME_P_ pointer env, pointer symbol, pointer value);
170    
171     typedef pointer (*foreign_func) (SCHEME_P_ pointer);
172    
173     pointer xcons (SCHEME_P_ pointer a, pointer b, int immutable);
174 root 1.7 INTERFACE pointer mk_integer (SCHEME_P_ IVALUE n);
175     INTERFACE pointer mk_real (SCHEME_P_ RVALUE n);
176 root 1.5 INTERFACE pointer mk_symbol (SCHEME_P_ const char *name);
177     INTERFACE pointer gensym (SCHEME_P);
178     INTERFACE pointer mk_string (SCHEME_P_ const char *str);
179     INTERFACE pointer mk_counted_string (SCHEME_P_ const char *str, uint32_t len);
180     INTERFACE pointer mk_empty_string (SCHEME_P_ uint32_t len, char fill);
181     INTERFACE pointer mk_character (SCHEME_P_ int c);
182     INTERFACE pointer mk_foreign_func (SCHEME_P_ foreign_func f);
183     INTERFACE void putstr (SCHEME_P_ const char *s);
184     INTERFACE int list_length (SCHEME_P_ pointer a);
185     INTERFACE int eqv (pointer a, pointer b);
186 root 1.1
187 root 1.2 #if !STANDALONE
188 root 1.5 typedef struct scheme_registerable
189     {
190     foreign_func f;
191     const char *name;
192     } scheme_registerable;
193 root 1.1
194 root 1.5 void scheme_register_foreign_func_list (SCHEME_P_ scheme_registerable * list, int n);
195 root 1.2 #endif /* !STANDALONE */
196 root 1.1
197 root 1.2 #ifdef __cplusplus
198 root 1.1 }
199 root 1.2 #endif
200 root 1.1
201     #endif
202    
203     /*
204     Local variables:
205     c-file-style: "k&r"
206     End:
207     */