microscheme/scheme.h


/* SCHEME.H */

#ifndef SCHEME_H
#define SCHEME_H

#include <stdio.h>

#ifdef __cplusplus
extern "C"
{
#endif

/*
 * Default values for #define'd symbols
 */
#ifndef STANDALONE             /* If used as standalone interpreter */
# define STANDALONE 1
#endif

#define USE_STRCASECMP 1
#ifndef USE_STRLWR
# define USE_STRLWR 1
#endif
#define SCHEME_EXPORT static

#if USE_NO_FEATURES
# define USE_MULTIPLICITY 0
# define USE_MATH 0
# define USE_CHAR_CLASSIFIERS 0
# define USE_ASCII_NAMES 0
# define USE_PORTS 1
# define USE_STRING_PORTS 0
# define USE_ERROR_HOOK 0
# define USE_TRACING 0
# define USE_COLON_HOOK 0
# define USE_DL 0
# define USE_PLIST 0
# define USE_FLOAT 0
# define USE_ERROR_CHECKING 0
# define USE_PRINTF 0
#endif

/*
 * Leave it defined if you want continuations, and also for the Sharp Zaurus.
 * Undefine it if you only care about faster speed and not strict Scheme compatibility.
 */
//#define USE_SCHEME_STACK

#if USE_DL
# define USE_INTERFACE 1
#endif

#ifndef USE_MULTIPLICITY
# define USE_MULTIPLICITY 1
#endif

#ifndef USE_FLOAT
# define USE_FLOAT 1
#endif

#ifndef USE_MATH               /* If math support is needed */
# define USE_MATH 1
#endif

#ifndef USE_CHAR_CLASSIFIERS   /* If char classifiers are needed */
# define USE_CHAR_CLASSIFIERS 1
#endif

#ifndef USE_ASCII_NAMES        /* If extended escaped characters are needed */
# define USE_ASCII_NAMES 1
#endif

#ifndef USE_PORTS              /* Enable ports */
# define USE_PORTS 1
#endif

#ifndef USE_STRING_PORTS       /* Enable string ports */
# define USE_STRING_PORTS USE_PORTS
#endif

#ifndef USE_TRACING
# define USE_TRACING 1
#endif

#ifndef USE_PLIST
# define USE_PLIST 0
#endif

/* To force system errors through user-defined error handling (see *error-hook*) */
#ifndef USE_ERROR_HOOK
# define USE_ERROR_HOOK 1
#endif

#ifndef USE_COLON_HOOK         /* Enable qualified qualifier */
# define USE_COLON_HOOK 1
#endif

#ifndef USE_ERROR_CHECKING
# define USE_ERROR_CHECKING 1
#endif

#ifndef USE_PRINTF
# define USE_PRINTF 1
#endif

#ifndef USE_STRLWR
# define USE_STRLWR 1
#endif

#ifndef INLINE
# define INLINE inline
#endif

#ifndef SHOW_ERROR_LINE        /* Show error line in file */
# define SHOW_ERROR_LINE 1
#endif

#if USE_MULTIPLICITY
# define SCHEME_V sc
# define SCHEME_P scheme *SCHEME_V
# define SCHEME_P_ SCHEME_P,
# define SCHEME_A SCHEME_V
# define SCHEME_A_ SCHEME_A,
#else
# define SCHEME_V (&sc)
# define SCHEME_P
# define SCHEME_P_
# define SCHEME_A
# define SCHEME_A_
#endif

  typedef struct scheme scheme;
  typedef struct cell *pointer;

  typedef void *(*func_alloc) (size_t);
  typedef void (*func_dealloc) (void *);

  typedef long IVALUE;          /* this is not used consistently yet */

#if USE_FLOAT
  typedef double RVALUE;
# define num_is_fixnum(n)    (n).is_fixnum
# define num_set_fixnum(n,f) (n).is_fixnum = (f)
# define num_ivalue(n)       (n).value.ivalue
# define num_rvalue(n)       (n).value.rvalue
# define num_set_ivalue(n,i) (n).value.ivalue = (i)
# define num_set_rvalue(n,r) (n).value.rvalue = (r)
#else
  typedef long RVALUE;
# define num_is_fixnum(n)    1
# define num_set_fixnum(n,f) 0
# define num_ivalue(n)       (n).value.ivalue
# define num_rvalue(n)       (n).value.ivalue
# define num_set_ivalue(n,i) (n).value.ivalue = (i)
# define num_set_rvalue(n,r) (n).value.ivalue = (r)
#endif

/* num, for generic arithmetic */
  typedef struct num
  {
    union
    {
      long ivalue;
#if USE_FLOAT
      RVALUE rvalue;
#endif
    } value;
#if USE_FLOAT
    char is_fixnum;
#endif
  } num;

/* Used for documentation purposes, to signal functions in 'interface' */
#define INTERFACE static

  SCHEME_EXPORT scheme *scheme_init_new ();
  SCHEME_EXPORT int scheme_init (SCHEME_P);
  SCHEME_EXPORT void scheme_deinit (SCHEME_P);
  void scheme_set_input_port_file (SCHEME_P_ int fin);
  void scheme_set_input_port_string (SCHEME_P_ char *start, char *past_the_end);
  SCHEME_EXPORT void scheme_set_output_port_file (SCHEME_P_ int fin);
  void scheme_set_output_port_string (SCHEME_P_ char *start, char *past_the_end);
  SCHEME_EXPORT void scheme_load_file (SCHEME_P_ int fin);
  SCHEME_EXPORT void scheme_load_named_file (SCHEME_P_ int fin, const char *filename);
  SCHEME_EXPORT void scheme_load_string (SCHEME_P_ const char *cmd);
  SCHEME_EXPORT pointer scheme_apply0 (SCHEME_P_ const char *procname);
  SCHEME_EXPORT pointer scheme_call (SCHEME_P_ pointer func, pointer args);
  SCHEME_EXPORT pointer scheme_eval (SCHEME_P_ pointer obj);
  void scheme_set_external_data (SCHEME_P_ void *p);
  SCHEME_EXPORT void scheme_define (SCHEME_P_ pointer env, pointer symbol, pointer value);

  typedef pointer (*foreign_func) (SCHEME_P_ pointer);

  pointer xcons (SCHEME_P_ pointer a, pointer b, int immutable);
  INTERFACE pointer mk_integer (SCHEME_P_ long num);
  INTERFACE pointer mk_real (SCHEME_P_ RVALUE num);
  INTERFACE pointer mk_symbol (SCHEME_P_ const char *name);
  INTERFACE pointer gensym (SCHEME_P);
  INTERFACE pointer mk_string (SCHEME_P_ const char *str);
  INTERFACE pointer mk_counted_string (SCHEME_P_ const char *str, int len);
  INTERFACE pointer mk_empty_string (SCHEME_P_ int len, char fill);
  INTERFACE pointer mk_character (SCHEME_P_ int c);
  INTERFACE pointer mk_foreign_func (SCHEME_P_ foreign_func f);
  INTERFACE void putstr (SCHEME_P_ const char *s);
  INTERFACE int list_length (SCHEME_P_ pointer a);
  INTERFACE int eqv (pointer a, pointer b);

#if !STANDALONE
  typedef struct scheme_registerable
  {
    foreign_func f;
    const char *name;
  }
  scheme_registerable;

  void scheme_register_foreign_func_list (SCHEME_P_ scheme_registerable * list, int n);

#endif                         /* !STANDALONE */

#ifdef __cplusplus
}
#endif

#endif

/*
Local variables:
c-file-style: "k&r"
End:
*/
Revision:	1.2
Committed:	Wed Nov 25 10:01:39 2015 UTC (8 years, 6 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+135 -136 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1
2			/* SCHEME.H */
3
4			#ifndef SCHEME_H
5	root	1.2	#define SCHEME_H
6	root	1.1
7	root	1.2	#include <stdio.h>
8	root	1.1
9	root	1.2	#ifdef __cplusplus
10	root	1.1	extern "C"
11			{
12	root	1.2	#endif
13	root	1.1
14			/*
15			* Default values for #define'd symbols
16			*/
17	root	1.2	#ifndef STANDALONE /* If used as standalone interpreter */
18			# define STANDALONE 1
19			#endif
20
21			#define USE_STRCASECMP 1
22			#ifndef USE_STRLWR
23			# define USE_STRLWR 1
24			#endif
25			#define SCHEME_EXPORT static
26
27			#if USE_NO_FEATURES
28			# define USE_MULTIPLICITY 0
29			# define USE_MATH 0
30			# define USE_CHAR_CLASSIFIERS 0
31			# define USE_ASCII_NAMES 0
32			# define USE_PORTS 1
33			# define USE_STRING_PORTS 0
34			# define USE_ERROR_HOOK 0
35			# define USE_TRACING 0
36			# define USE_COLON_HOOK 0
37			# define USE_DL 0
38			# define USE_PLIST 0
39			# define USE_FLOAT 0
40			# define USE_ERROR_CHECKING 0
41			# define USE_PRINTF 0
42			#endif
43	root	1.1
44			/*
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.
47			*/
48	root	1.2	//#define USE_SCHEME_STACK
49
50			#if USE_DL
51			# define USE_INTERFACE 1
52			#endif
53
54			#ifndef USE_MULTIPLICITY
55			# define USE_MULTIPLICITY 1
56			#endif
57
58			#ifndef USE_FLOAT
59			# define USE_FLOAT 1
60			#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			# define USE_PLIST 0
88			#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			#ifndef USE_STRLWR
108			# define USE_STRLWR 1
109			#endif
110
111			#ifndef INLINE
112			# define INLINE inline
113			#endif
114
115			#ifndef SHOW_ERROR_LINE /* Show error line in file */
116			# define SHOW_ERROR_LINE 1
117			#endif
118
119			#if USE_MULTIPLICITY
120			# define SCHEME_V sc
121			# define SCHEME_P scheme *SCHEME_V
122			# define SCHEME_P_ SCHEME_P,
123			# define SCHEME_A SCHEME_V
124			# define SCHEME_A_ SCHEME_A,
125			#else
126			# define SCHEME_V (&sc)
127			# define SCHEME_P
128			# define SCHEME_P_
129			# define SCHEME_A
130			# define SCHEME_A_
131			#endif
132	root	1.1
133			typedef struct scheme scheme;
134			typedef struct cell *pointer;
135
136			typedef void (func_alloc) (size_t);
137			typedef void (func_dealloc) (void );
138
139			typedef long IVALUE; /* this is not used consistently yet */
140
141	root	1.2	#if USE_FLOAT
142	root	1.1	typedef double RVALUE;
143	root	1.2	# define num_is_fixnum(n) (n).is_fixnum
144			# define num_set_fixnum(n,f) (n).is_fixnum = (f)
145			# define num_ivalue(n) (n).value.ivalue
146			# define num_rvalue(n) (n).value.rvalue
147			# define num_set_ivalue(n,i) (n).value.ivalue = (i)
148			# define num_set_rvalue(n,r) (n).value.rvalue = (r)
149			#else
150	root	1.1	typedef long RVALUE;
151	root	1.2	# define num_is_fixnum(n) 1
152			# define num_set_fixnum(n,f) 0
153			# define num_ivalue(n) (n).value.ivalue
154			# define num_rvalue(n) (n).value.ivalue
155			# define num_set_ivalue(n,i) (n).value.ivalue = (i)
156			# define num_set_rvalue(n,r) (n).value.ivalue = (r)
157			#endif
158	root	1.1
159			/* num, for generic arithmetic */
160			typedef struct num
161			{
162			union
163			{
164			long ivalue;
165	root	1.2	#if USE_FLOAT
166	root	1.1	RVALUE rvalue;
167	root	1.2	#endif
168	root	1.1	} value;
169	root	1.2	#if USE_FLOAT
170	root	1.1	char is_fixnum;
171	root	1.2	#endif
172	root	1.1	} num;
173
174			/* Used for documentation purposes, to signal functions in 'interface' */
175	root	1.2	#define INTERFACE static
176	root	1.1
177			SCHEME_EXPORT scheme *scheme_init_new ();
178			SCHEME_EXPORT int scheme_init (SCHEME_P);
179			SCHEME_EXPORT void scheme_deinit (SCHEME_P);
180			void scheme_set_input_port_file (SCHEME_P_ int fin);
181			void scheme_set_input_port_string (SCHEME_P_ char start, char past_the_end);
182			SCHEME_EXPORT void scheme_set_output_port_file (SCHEME_P_ int fin);
183			void scheme_set_output_port_string (SCHEME_P_ char start, char past_the_end);
184			SCHEME_EXPORT void scheme_load_file (SCHEME_P_ int fin);
185			SCHEME_EXPORT void scheme_load_named_file (SCHEME_P_ int fin, const char *filename);
186			SCHEME_EXPORT void scheme_load_string (SCHEME_P_ const char *cmd);
187			SCHEME_EXPORT pointer scheme_apply0 (SCHEME_P_ const char *procname);
188			SCHEME_EXPORT pointer scheme_call (SCHEME_P_ pointer func, pointer args);
189			SCHEME_EXPORT pointer scheme_eval (SCHEME_P_ pointer obj);
190			void scheme_set_external_data (SCHEME_P_ void *p);
191			SCHEME_EXPORT void scheme_define (SCHEME_P_ pointer env, pointer symbol, pointer value);
192
193			typedef pointer (*foreign_func) (SCHEME_P_ pointer);
194
195			pointer xcons (SCHEME_P_ pointer a, pointer b, int immutable);
196			INTERFACE pointer mk_integer (SCHEME_P_ long num);
197			INTERFACE pointer mk_real (SCHEME_P_ RVALUE num);
198			INTERFACE pointer mk_symbol (SCHEME_P_ const char *name);
199			INTERFACE pointer gensym (SCHEME_P);
200			INTERFACE pointer mk_string (SCHEME_P_ const char *str);
201			INTERFACE pointer mk_counted_string (SCHEME_P_ const char *str, int len);
202			INTERFACE pointer mk_empty_string (SCHEME_P_ int len, char fill);
203			INTERFACE pointer mk_character (SCHEME_P_ int c);
204			INTERFACE pointer mk_foreign_func (SCHEME_P_ foreign_func f);
205			INTERFACE void putstr (SCHEME_P_ const char *s);
206			INTERFACE int list_length (SCHEME_P_ pointer a);
207			INTERFACE int eqv (pointer a, pointer b);
208
209	root	1.2	#if !STANDALONE
210	root	1.1	typedef struct scheme_registerable
211			{
212			foreign_func f;
213			const char *name;
214			}
215			scheme_registerable;
216
217			void scheme_register_foreign_func_list (SCHEME_P_ scheme_registerable * list, int n);
218
219	root	1.2	#endif /* !STANDALONE */
220	root	1.1
221	root	1.2	#ifdef __cplusplus
222	root	1.1	}
223	root	1.2	#endif
224	root	1.1
225			#endif
226
227			/*
228			Local variables:
229			c-file-style: "k&r"
230			End:
231			*/