/* SCHEME.H */ #ifndef _SCHEME_H #define _SCHEME_H #include #ifdef __cplusplus extern "C" { #endif /* * Default values for #define'd symbols */ #ifndef STANDALONE /* If used as standalone interpreter */ # define STANDALONE 1 #endif #ifndef _MSC_VER # define USE_STRCASECMP 1 # ifndef USE_STRLWR # define USE_STRLWR 1 # endif # define SCHEME_EXPORT #else # define USE_STRCASECMP 0 # define USE_STRLWR 0 # ifdef _SCHEME_SOURCE # define SCHEME_EXPORT __declspec(dllexport) # else # define SCHEME_EXPORT __declspec(dllimport) # endif #endif #if USE_NO_FEATURES # define USE_MATH 0 # define USE_CHAR_CLASSIFIERS 0 # define USE_ASCII_NAMES 0 # 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 #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_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_STRING_PORTS /* Enable string ports */ # define USE_STRING_PORTS 1 #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_STRCASECMP /* stricmp for Unix */ # define USE_STRCASECMP 0 #endif #ifndef USE_STRLWR # define USE_STRLWR 1 #endif #ifndef STDIO_ADDS_CR /* Define if DOS/Windows */ # define STDIO_ADDS_CR 0 #endif #ifndef INLINE # define INLINE #endif #ifndef USE_INTERFACE # define USE_INTERFACE 0 #endif #ifndef SHOW_ERROR_LINE /* Show error line in file */ # define SHOW_ERROR_LINE 1 #endif typedef struct scheme scheme; typedef struct cell *pointer; typedef void * (*func_alloc)(size_t); typedef void (*func_dealloc)(void *); /* num, for generic arithmetic */ typedef struct num { char is_fixnum; union { long ivalue; double rvalue; } value; } num; SCHEME_EXPORT scheme *scheme_init_new(void); SCHEME_EXPORT scheme *scheme_init_new_custom_alloc(func_alloc malloc, func_dealloc free); SCHEME_EXPORT int scheme_init(scheme *sc); SCHEME_EXPORT int scheme_init_custom_alloc(scheme *sc, func_alloc, func_dealloc); SCHEME_EXPORT void scheme_deinit(scheme *sc); void scheme_set_input_port_file(scheme *sc, FILE *fin); void scheme_set_input_port_string(scheme *sc, char *start, char *past_the_end); SCHEME_EXPORT void scheme_set_output_port_file(scheme *sc, FILE *fin); void scheme_set_output_port_string(scheme *sc, char *start, char *past_the_end); SCHEME_EXPORT void scheme_load_file(scheme *sc, FILE *fin); SCHEME_EXPORT void scheme_load_named_file(scheme *sc, FILE *fin, const char *filename); SCHEME_EXPORT void scheme_load_string(scheme *sc, const char *cmd); SCHEME_EXPORT pointer scheme_apply0(scheme *sc, const char *procname); SCHEME_EXPORT pointer scheme_call(scheme *sc, pointer func, pointer args); SCHEME_EXPORT pointer scheme_eval(scheme *sc, pointer obj); void scheme_set_external_data(scheme *sc, void *p); SCHEME_EXPORT void scheme_define(scheme *sc, pointer env, pointer symbol, pointer value); typedef pointer (*foreign_func)(scheme *, pointer); pointer _cons(scheme *sc, pointer a, pointer b, int immutable); pointer mk_integer(scheme *sc, long num); pointer mk_real(scheme *sc, double num); pointer mk_symbol(scheme *sc, const char *name); pointer gensym(scheme *sc); pointer mk_string(scheme *sc, const char *str); pointer mk_counted_string(scheme *sc, const char *str, int len); pointer mk_empty_string(scheme *sc, int len, char fill); pointer mk_character(scheme *sc, int c); pointer mk_foreign_func(scheme *sc, foreign_func f); void putstr(scheme *sc, const char *s); int list_length(scheme *sc, pointer a); int eqv(pointer a, pointer b); #if USE_INTERFACE struct scheme_interface { void (*scheme_define)(scheme *sc, pointer env, pointer symbol, pointer value); pointer (*cons)(scheme *sc, pointer a, pointer b); pointer (*immutable_cons)(scheme *sc, pointer a, pointer b); pointer (*reserve_cells)(scheme *sc, int n); pointer (*mk_integer)(scheme *sc, long num); pointer (*mk_real)(scheme *sc, double num); pointer (*mk_symbol)(scheme *sc, const char *name); pointer (*gensym)(scheme *sc); pointer (*mk_string)(scheme *sc, const char *str); pointer (*mk_counted_string)(scheme *sc, const char *str, int len); pointer (*mk_character)(scheme *sc, int c); pointer (*mk_vector)(scheme *sc, int len); pointer (*mk_foreign_func)(scheme *sc, foreign_func f); void (*putstr)(scheme *sc, const char *s); void (*putcharacter)(scheme *sc, int c); int (*is_string)(pointer p); char *(*string_value)(pointer p); int (*is_number)(pointer p); num (*nvalue)(pointer p); long (*ivalue)(pointer p); double (*rvalue)(pointer p); int (*is_integer)(pointer p); int (*is_real)(pointer p); int (*is_character)(pointer p); long (*charvalue)(pointer p); int (*is_list)(scheme *sc, pointer p); int (*is_vector)(pointer p); int (*list_length)(scheme *sc, pointer vec); long (*vector_length)(pointer vec); void (*fill_vector)(pointer vec, pointer elem); pointer (*vector_elem)(pointer vec, int ielem); pointer (*set_vector_elem)(pointer vec, int ielem, pointer newel); int (*is_port)(pointer p); int (*is_pair)(pointer p); pointer (*pair_car)(pointer p); pointer (*pair_cdr)(pointer p); pointer (*set_car)(pointer p, pointer q); pointer (*set_cdr)(pointer p, pointer q); int (*is_symbol)(pointer p); char *(*symname)(pointer p); int (*is_syntax)(pointer p); int (*is_proc)(pointer p); int (*is_foreign)(pointer p); char *(*syntaxname)(pointer p); int (*is_closure)(pointer p); int (*is_macro)(pointer p); pointer (*closure_code)(pointer p); pointer (*closure_env)(pointer p); int (*is_continuation)(pointer p); int (*is_promise)(pointer p); int (*is_environment)(pointer p); int (*is_immutable)(pointer p); void (*setimmutable)(pointer p); void (*load_file)(scheme *sc, FILE *fin); void (*load_string)(scheme *sc, const char *input); }; #endif #if !STANDALONE typedef struct scheme_registerable { foreign_func f; const char * name; } scheme_registerable; void scheme_register_foreign_func_list(scheme * sc, scheme_registerable * list, int n); #endif /* !STANDALONE */ #ifdef __cplusplus } #endif #endif /* Local variables: c-file-style: "k&r" End: */