278 lines
7.9 KiB
C
278 lines
7.9 KiB
C
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/* SCHEME.H */
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#ifndef _SCHEME_H
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#define _SCHEME_H
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#include <stdio.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Default values for #define'd symbols
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*/
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#ifndef STANDALONE /* If used as standalone interpreter */
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# define STANDALONE 1
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#endif
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#ifndef _MSC_VER
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# ifndef USE_STRLWR
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# define USE_STRLWR 1
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# endif
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# define SCHEME_EXPORT extern
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#else
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# define USE_STRLWR 0
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# ifdef _SCHEME_SOURCE
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# define SCHEME_EXPORT __declspec(dllexport)
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# else
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# define SCHEME_EXPORT __declspec(dllimport)
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# endif
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#endif
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#if USE_NO_FEATURES
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# define USE_MATH 0
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# define USE_CHAR_CLASSIFIERS 0
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# define USE_ASCII_NAMES 0
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# define USE_STRING_PORTS 0
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# define USE_ERROR_HOOK 0
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# define USE_TRACING 0
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# define USE_COLON_HOOK 0
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# define USE_DL 0
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# define USE_PLIST 0
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#endif
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/*
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* Leave it defined if you want continuations, and also for the Sharp Zaurus.
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* Undefine it if you only care about faster speed and not strict Scheme compatibility.
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*/
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#define USE_SCHEME_STACK
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#if USE_DL
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# define USE_INTERFACE 1
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#endif
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#ifndef USE_MATH /* If math support is needed */
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# define USE_MATH 1
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#endif
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#ifndef USE_CHAR_CLASSIFIERS /* If char classifiers are needed */
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# define USE_CHAR_CLASSIFIERS 1
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#endif
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#ifndef USE_ASCII_NAMES /* If extended escaped characters are needed */
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# define USE_ASCII_NAMES 1
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#endif
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#ifndef USE_STRING_PORTS /* Enable string ports */
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# define USE_STRING_PORTS 1
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#endif
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#ifndef USE_TRACING
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#define USE_TRACING 1
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#endif
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#ifndef USE_PLIST
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# define USE_PLIST 0
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#endif
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/* To force system errors through user-defined error handling (see *error-hook*) */
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#ifndef USE_ERROR_HOOK
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# define USE_ERROR_HOOK 1
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#endif
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#ifndef USE_COLON_HOOK /* Enable qualified qualifier */
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# define USE_COLON_HOOK 1
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#endif
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#ifndef USE_STRLWR
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# define USE_STRLWR 1
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#endif
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#ifndef STDIO_ADDS_CR /* Define if DOS/Windows */
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# define STDIO_ADDS_CR 0
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#endif
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#ifndef INLINE
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# define INLINE
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#endif
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#ifndef USE_INTERFACE
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# define USE_INTERFACE 0
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#endif
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#ifndef SHOW_ERROR_LINE /* Show error line in file */
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# define SHOW_ERROR_LINE 1
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#endif
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typedef struct scheme scheme;
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typedef struct cell *pointer;
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typedef void * (*func_alloc)(size_t);
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typedef void (*func_dealloc)(void *);
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/* num, for generic arithmetic */
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typedef struct num {
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char is_fixnum;
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union {
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long ivalue;
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double rvalue;
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} value;
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} num;
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#if !STANDALONE
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typedef enum { TS_OUTPUT_NORMAL, TS_OUTPUT_ERROR } TsOutputType;
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typedef void (* ts_output_func) (TsOutputType type,
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const char *string,
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int len,
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gpointer data);
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SCHEME_EXPORT void ts_register_output_func (ts_output_func func,
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gpointer user_data);
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SCHEME_EXPORT void ts_output_string (TsOutputType type,
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const char *string,
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int len);
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#endif
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SCHEME_EXPORT scheme *scheme_init_new(void);
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SCHEME_EXPORT scheme *scheme_init_new_custom_alloc(func_alloc malloc, func_dealloc free);
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SCHEME_EXPORT int scheme_init(scheme *sc);
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SCHEME_EXPORT int scheme_init_custom_alloc(scheme *sc, func_alloc, func_dealloc);
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SCHEME_EXPORT void scheme_deinit(scheme *sc);
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SCHEME_EXPORT void scheme_set_input_port_file(scheme *sc, FILE *fin);
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void scheme_set_input_port_string(scheme *sc, char *start, char *past_the_end);
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SCHEME_EXPORT void scheme_set_output_port_file(scheme *sc, FILE *fin);
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void scheme_set_output_port_string(scheme *sc, char *start, char *past_the_end);
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SCHEME_EXPORT void scheme_load_file(scheme *sc, FILE *fin);
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SCHEME_EXPORT void scheme_load_named_file(scheme *sc, FILE *fin, const char *filename);
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SCHEME_EXPORT void scheme_load_string(scheme *sc, const char *cmd);
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SCHEME_EXPORT pointer scheme_apply0(scheme *sc, const char *procname);
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SCHEME_EXPORT pointer scheme_call(scheme *sc, pointer func, pointer args);
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SCHEME_EXPORT pointer scheme_eval(scheme *sc, pointer obj);
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void scheme_set_external_data(scheme *sc, void *p);
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SCHEME_EXPORT void scheme_define(scheme *sc, pointer env, pointer symbol, pointer value);
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typedef pointer (*foreign_func)(scheme *, pointer);
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pointer _cons(scheme *sc, pointer a, pointer b, int immutable);
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pointer mk_integer(scheme *sc, long num);
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pointer mk_real(scheme *sc, double num);
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pointer mk_symbol(scheme *sc, const char *name);
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pointer gensym(scheme *sc);
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pointer mk_string(scheme *sc, const char *str);
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pointer mk_counted_string(scheme *sc, const char *str, int len);
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pointer mk_empty_string(scheme *sc, int len, gunichar fill);
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pointer mk_byte (scheme *sc, guint8 b);
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pointer mk_character(scheme *sc, gunichar c);
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pointer mk_foreign_func(scheme *sc, foreign_func f);
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void putcharacter(scheme *sc, gunichar c);
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void putstr(scheme *sc, const char *s);
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int list_length(scheme *sc, pointer a);
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int eqv(pointer a, pointer b);
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SCHEME_EXPORT pointer foreign_error (scheme *sc, const char *s, pointer a);
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#if USE_INTERFACE
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struct scheme_interface {
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void (*scheme_define)(scheme *sc, pointer env, pointer symbol, pointer value);
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pointer (*cons)(scheme *sc, pointer a, pointer b);
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pointer (*immutable_cons)(scheme *sc, pointer a, pointer b);
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pointer (*reserve_cells)(scheme *sc, int n);
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pointer (*mk_integer)(scheme *sc, long num);
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pointer (*mk_real)(scheme *sc, double num);
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pointer (*mk_symbol)(scheme *sc, const char *name);
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pointer (*gensym)(scheme *sc);
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pointer (*mk_string)(scheme *sc, const char *str);
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pointer (*mk_counted_string)(scheme *sc, const char *str, int len);
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pointer (*mk_byte)(scheme *sc, guint8 b);
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pointer (*mk_character)(scheme *sc, gunichar c);
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pointer (*mk_vector)(scheme *sc, int len);
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pointer (*mk_foreign_func)(scheme *sc, foreign_func f);
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pointer (*mk_closure)(scheme *sc, pointer c, pointer e);
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void (*putstr)(scheme *sc, const char *s);
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void (*putcharacter)(scheme *sc, gunichar c);
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int (*is_string)(pointer p);
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int (*string_length)(pointer p);
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char *(*string_value)(pointer p);
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int (*is_number)(pointer p);
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num (*nvalue)(pointer p);
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long (*ivalue)(pointer p);
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double (*rvalue)(pointer p);
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int (*is_integer)(pointer p);
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int (*is_real)(pointer p);
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int (*is_byte)(pointer p);
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int (*is_character)(pointer p);
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guint8 (*bytevalue)(pointer p);
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gunichar (*charvalue)(pointer p);
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int (*is_list)(scheme *sc, pointer p);
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int (*is_vector)(pointer p);
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int (*list_length)(scheme *sc, pointer p);
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long (*vector_length)(pointer vec);
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void (*fill_vector)(pointer vec, pointer elem);
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pointer (*vector_elem)(pointer vec, int ielem);
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pointer (*set_vector_elem)(pointer vec, int ielem, pointer newel);
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int (*is_port)(pointer p);
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int (*is_pair)(pointer p);
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pointer (*pair_car)(pointer p);
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pointer (*pair_cdr)(pointer p);
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pointer (*set_car)(pointer p, pointer q);
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pointer (*set_cdr)(pointer p, pointer q);
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int (*is_symbol)(pointer p);
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char *(*symname)(pointer p);
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int (*is_syntax)(pointer p);
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int (*is_proc)(pointer p);
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int (*is_foreign)(pointer p);
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char *(*syntaxname)(pointer p);
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int (*is_closure)(pointer p);
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int (*is_macro)(pointer p);
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pointer (*closure_code)(pointer p);
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pointer (*closure_env)(pointer p);
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int (*is_continuation)(pointer p);
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int (*is_promise)(pointer p);
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int (*is_environment)(pointer p);
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int (*is_immutable)(pointer p);
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void (*setimmutable)(pointer p);
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void (*load_file)(scheme *sc, FILE *fin);
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void (*load_string)(scheme *sc, const char *input);
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};
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#endif
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#if !STANDALONE
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typedef struct scheme_registerable
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{
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foreign_func f;
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const char * name;
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}
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scheme_registerable;
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void scheme_register_foreign_func(scheme * sc, scheme_registerable * sr);
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void scheme_register_foreign_func_list(scheme * sc,
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scheme_registerable * list,
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int n);
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#endif /* !STANDALONE */
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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Local variables:
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c-file-style: "k&r"
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End:
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*/
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