diff options
Diffstat (limited to 'sources/s7.h')
| -rw-r--r-- | sources/s7.h | 1245 |
1 files changed, 0 insertions, 1245 deletions
diff --git a/sources/s7.h b/sources/s7.h deleted file mode 100644 index 97008da..0000000 --- a/sources/s7.h +++ /dev/null @@ -1,1245 +0,0 @@ -#ifndef S7_H -#define S7_H - -#define S7_VERSION "10.8" -#define S7_DATE "24-Apr-2024" -#define S7_MAJOR_VERSION 10 -#define S7_MINOR_VERSION 8 - -#include <stdint.h> /* for int64_t */ - -typedef int64_t s7_int; -typedef double s7_double; - -#ifndef __cplusplus -#ifndef _MSC_VER - #include <stdbool.h> -#else -#ifndef true - #define bool unsigned char - #define true 1 - #define false 0 -#endif -#endif -#endif - -#if WITH_GMP - /* in g++ these includes need to be outside the extern "C" business */ - #include <gmp.h> - #include <mpfr.h> - #include <mpc.h> -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct s7_scheme s7_scheme; -typedef struct s7_cell *s7_pointer; - -s7_scheme *s7_init(void); - /* s7_scheme is our interpreter - * s7_pointer is a Scheme object of any (Scheme) type - * s7_init creates the interpreter. - */ -void s7_free(s7_scheme *sc); - -typedef s7_pointer (*s7_function)(s7_scheme *sc, s7_pointer args); /* that is, obj = func(s7, args) -- args is a list of arguments */ -typedef s7_pointer (*s7_pfunc)(s7_scheme *sc); - -s7_pointer s7_f(s7_scheme *sc); /* #f */ -s7_pointer s7_t(s7_scheme *sc); /* #t */ -s7_pointer s7_nil(s7_scheme *sc); /* () */ -s7_pointer s7_undefined(s7_scheme *sc); /* #<undefined> */ -s7_pointer s7_unspecified(s7_scheme *sc); /* #<unspecified> */ -bool s7_is_unspecified(s7_scheme *sc, s7_pointer val); /* returns true if val is #<unspecified> */ -s7_pointer s7_eof_object(s7_scheme *sc); /* #<eof> */ -bool s7_is_null(s7_scheme *sc, s7_pointer p); /* null? */ - - /* these are the Scheme constants; they do not change in value during a run, - * so they can be safely assigned to C global variables if desired. - */ - -bool s7_is_valid(s7_scheme *sc, s7_pointer arg); /* does 'arg' look like an s7 object? */ -bool s7_is_c_pointer(s7_pointer arg); /* (c-pointer? arg) */ -bool s7_is_c_pointer_of_type(s7_pointer arg, s7_pointer type); -void *s7_c_pointer(s7_pointer p); -void *s7_c_pointer_with_type(s7_scheme *sc, s7_pointer p, s7_pointer expected_type, const char *caller, s7_int argnum); -s7_pointer s7_c_pointer_type(s7_pointer p); -s7_pointer s7_make_c_pointer(s7_scheme *sc, void *ptr); /* these are for passing uninterpreted C pointers through Scheme */ -s7_pointer s7_make_c_pointer_with_type(s7_scheme *sc, void *ptr, s7_pointer type, s7_pointer info); -s7_pointer s7_make_c_pointer_wrapper_with_type(s7_scheme *sc, void *ptr, s7_pointer type, s7_pointer info); - -s7_pointer s7_eval_c_string(s7_scheme *sc, const char *str); /* (eval-string str) */ -s7_pointer s7_eval_c_string_with_environment(s7_scheme *sc, const char *str, s7_pointer e); -s7_pointer s7_object_to_string(s7_scheme *sc, s7_pointer arg, bool use_write); - /* (object->string obj) */ -char *s7_object_to_c_string(s7_scheme *sc, s7_pointer obj); /* same as object->string but returns a C char* directly */ - /* the returned value should be freed by the caller */ - -s7_pointer s7_load(s7_scheme *sc, const char *file); /* (load file) */ -s7_pointer s7_load_with_environment(s7_scheme *sc, const char *filename, s7_pointer e); -s7_pointer s7_load_c_string(s7_scheme *sc, const char *content, s7_int bytes); -s7_pointer s7_load_c_string_with_environment(s7_scheme *sc, const char *content, s7_int bytes, s7_pointer e); -s7_pointer s7_load_path(s7_scheme *sc); /* *load-path* */ -s7_pointer s7_add_to_load_path(s7_scheme *sc, const char *dir); /* (set! *load-path* (cons dir *load-path*)) */ -s7_pointer s7_autoload(s7_scheme *sc, s7_pointer symbol, s7_pointer file_or_function); /* (autoload symbol file-or-function) */ -void s7_autoload_set_names(s7_scheme *sc, const char **names, s7_int size); - - /* the load path is a list of directories to search if load can't find the file passed as its argument. - * - * s7_load and s7_load_with_environment can load shared object files as well as scheme code. - * The scheme (load "somelib.so" (inlet 'init_func 'somelib_init)) is equivalent to - * s7_load_with_environment(s7, "somelib.so", s7_inlet(s7, s7_list(s7, 2, s7_make_symbol(s7, "init_func"), s7_make_symbol(s7, "somelib_init")))) - * s7_load_with_environment returns NULL if it can't load the file. - */ -void s7_quit(s7_scheme *sc); - /* this tries to break out of the current evaluation, leaving everything else intact */ - -void (*s7_begin_hook(s7_scheme *sc))(s7_scheme *sc, bool *val); -void s7_set_begin_hook(s7_scheme *sc, void (*hook)(s7_scheme *sc, bool *val)); - /* call "hook" at the start of any block; use NULL to cancel. - * s7_begin_hook returns the current begin_hook function or NULL. - */ - -s7_pointer s7_eval(s7_scheme *sc, s7_pointer code, s7_pointer e); /* (eval code e) -- e is the optional environment */ -s7_pointer s7_eval_with_location(s7_scheme *sc, s7_pointer code, s7_pointer e, const char *caller, const char *file, s7_int line); -void s7_provide(s7_scheme *sc, const char *feature); /* add feature (as a symbol) to the *features* list */ -bool s7_is_provided(s7_scheme *sc, const char *feature); /* (provided? feature) */ -void s7_repl(s7_scheme *sc); - -s7_pointer s7_error(s7_scheme *sc, s7_pointer type, s7_pointer info); -s7_pointer s7_wrong_type_arg_error(s7_scheme *sc, const char *caller, s7_int arg_n, s7_pointer arg, const char *descr); -s7_pointer s7_wrong_type_error(s7_scheme *sc, s7_pointer caller, s7_int arg_n, s7_pointer arg, s7_pointer descr); - /* set arg_n to 0 to indicate that caller takes only one argument (so the argument number need not be reported */ -s7_pointer s7_out_of_range_error(s7_scheme *sc, const char *caller, s7_int arg_n, s7_pointer arg, const char *descr); -s7_pointer s7_wrong_number_of_args_error(s7_scheme *sc, const char *caller, s7_pointer args); - - /* these are equivalent to (error ...) in Scheme - * the first argument to s7_error is a symbol that can be caught (via (catch tag ...)) - * the rest of the arguments are passed to the error handler (if in catch) - * or printed out (in the default case). If the first element of the list - * of args ("info") is a string, the default error handler treats it as - * a format control string, and passes it to format with the rest of the - * info list as the format function arguments. - * - * s7_wrong_type_arg_error is equivalent to s7_error with a type of 'wrong-type-arg - * and similarly s7_out_of_range_error with type 'out-of-range. - * - * catch in Scheme is taken from Guile: - * - * (catch tag thunk handler) - * - * evaluates 'thunk'. If an error occurs, and the type matches 'tag' (or if 'tag' is #t), - * the handler is called, passing it the arguments (including the type) passed to the - * error function. If no handler is found, the default error handler is called, - * normally printing the error arguments to current-error-port. - */ - -s7_pointer s7_stacktrace(s7_scheme *sc); -s7_pointer s7_history(s7_scheme *sc); /* the current (circular backwards) history buffer */ -s7_pointer s7_add_to_history(s7_scheme *sc, s7_pointer entry); /* add entry to the history buffer */ -bool s7_history_enabled(s7_scheme *sc); -bool s7_set_history_enabled(s7_scheme *sc, bool enabled); - -s7_pointer s7_gc_on(s7_scheme *sc, bool on); /* (gc on) */ - -s7_int s7_gc_protect(s7_scheme *sc, s7_pointer x); -void s7_gc_unprotect_at(s7_scheme *sc, s7_int loc); -s7_pointer s7_gc_protected_at(s7_scheme *sc, s7_int loc); -s7_pointer s7_gc_protect_via_stack(s7_scheme *sc, s7_pointer x); -s7_pointer s7_gc_protect_2_via_stack(s7_scheme *sc, s7_pointer x, s7_pointer y); -s7_pointer s7_gc_unprotect_via_stack(s7_scheme *sc, s7_pointer x); -s7_pointer s7_gc_protect_via_location(s7_scheme *sc, s7_pointer x, s7_int loc); -s7_pointer s7_gc_unprotect_via_location(s7_scheme *sc, s7_int loc); - - /* any s7_pointer object held in C (as a local variable for example) needs to be - * protected from garbage collection if there is any chance the GC may run without - * an existing Scheme-level reference to that object. s7_gc_protect places the - * object in a vector that the GC always checks, returning the object's location - * in that table. s7_gc_unprotect_at unprotects the object (removes it from the - * vector) using the location passed to it. s7_gc_protected_at returns the object - * at the given location. - * - * You can turn the GC on and off via s7_gc_on. - * - * There is a built-in lag between the creation of a new object and its first possible GC - * (the lag time is set indirectly by GC_TEMPS_SIZE in s7.c), so you don't need to worry about - * very short term temps such as the arguments to s7_cons in: - * - * s7_cons(s7, s7_make_real(s7, 3.14), - * s7_cons(s7, s7_make_integer(s7, 123), s7_nil(s7))); - */ - -bool s7_is_eq(s7_pointer a, s7_pointer b); /* (eq? a b) */ -bool s7_is_eqv(s7_scheme *sc, s7_pointer a, s7_pointer b); /* (eqv? a b) */ -bool s7_is_equal(s7_scheme *sc, s7_pointer a, s7_pointer b); /* (equal? a b) */ -bool s7_is_equivalent(s7_scheme *sc, s7_pointer x, s7_pointer y); /* (equivalent? x y) */ - -bool s7_is_boolean(s7_pointer x); /* (boolean? x) */ -bool s7_boolean(s7_scheme *sc, s7_pointer x); /* Scheme boolean -> C bool */ -s7_pointer s7_make_boolean(s7_scheme *sc, bool x); /* C bool -> Scheme boolean */ - - /* for each Scheme type (boolean, integer, string, etc), there are three - * functions: s7_<type>(...), s7_make_<type>(...), and s7_is_<type>(...): - * - * s7_boolean(s7, obj) returns the C bool corresponding to the value of 'obj' (#f -> false) - * s7_make_boolean(s7, false|true) returns the s7 boolean corresponding to the C bool argument (false -> #f) - * s7_is_boolean(s7, obj) returns true if 'obj' has a boolean value (#f or #t). - */ - - -bool s7_is_pair(s7_pointer p); /* (pair? p) */ -s7_pointer s7_cons(s7_scheme *sc, s7_pointer a, s7_pointer b); /* (cons a b) */ - -s7_pointer s7_car(s7_pointer p); /* (car p) */ -s7_pointer s7_cdr(s7_pointer p); /* (cdr p) */ - -s7_pointer s7_set_car(s7_pointer p, s7_pointer q); /* (set-car! p q) */ -s7_pointer s7_set_cdr(s7_pointer p, s7_pointer q); /* (set-cdr! p q) */ - -s7_pointer s7_cadr(s7_pointer p); /* (cadr p) */ -s7_pointer s7_cddr(s7_pointer p); /* (cddr p) */ -s7_pointer s7_cdar(s7_pointer p); /* (cdar p) */ -s7_pointer s7_caar(s7_pointer p); /* (caar p) */ - -s7_pointer s7_caadr(s7_pointer p); /* etc */ -s7_pointer s7_caddr(s7_pointer p); -s7_pointer s7_cadar(s7_pointer p); -s7_pointer s7_caaar(s7_pointer p); -s7_pointer s7_cdadr(s7_pointer p); -s7_pointer s7_cdddr(s7_pointer p); -s7_pointer s7_cddar(s7_pointer p); -s7_pointer s7_cdaar(s7_pointer p); - -s7_pointer s7_caaadr(s7_pointer p); -s7_pointer s7_caaddr(s7_pointer p); -s7_pointer s7_caadar(s7_pointer p); -s7_pointer s7_caaaar(s7_pointer p); -s7_pointer s7_cadadr(s7_pointer p); -s7_pointer s7_cadddr(s7_pointer p); -s7_pointer s7_caddar(s7_pointer p); -s7_pointer s7_cadaar(s7_pointer p); -s7_pointer s7_cdaadr(s7_pointer p); -s7_pointer s7_cdaddr(s7_pointer p); -s7_pointer s7_cdadar(s7_pointer p); -s7_pointer s7_cdaaar(s7_pointer p); -s7_pointer s7_cddadr(s7_pointer p); -s7_pointer s7_cddddr(s7_pointer p); -s7_pointer s7_cdddar(s7_pointer p); -s7_pointer s7_cddaar(s7_pointer p); - -bool s7_is_list(s7_scheme *sc, s7_pointer p); /* (list? p) -> (or (pair? p) (null? p)) */ -bool s7_is_proper_list(s7_scheme *sc, s7_pointer p); /* (proper-list? p) */ -s7_int s7_list_length(s7_scheme *sc, s7_pointer a); /* (length a) */ -s7_pointer s7_make_list(s7_scheme *sc, s7_int len, s7_pointer init); /* (make-list len init) */ -s7_pointer s7_list(s7_scheme *sc, s7_int num_values, ...); /* (list ...) */ -s7_pointer s7_list_nl(s7_scheme *sc, s7_int num_values, ...); /* (list ...) arglist should be NULL terminated (more error checks than s7_list) */ -s7_pointer s7_array_to_list(s7_scheme *sc, s7_int num_values, s7_pointer *array); /* array contents -> list */ -void s7_list_to_array(s7_scheme *sc, s7_pointer list, s7_pointer *array, int32_t len); /* list -> array (intended for old code) */ -s7_pointer s7_reverse(s7_scheme *sc, s7_pointer a); /* (reverse a) */ -s7_pointer s7_append(s7_scheme *sc, s7_pointer a, s7_pointer b); /* (append a b) */ -s7_pointer s7_list_ref(s7_scheme *sc, s7_pointer lst, s7_int num); /* (list-ref lst num) */ -s7_pointer s7_list_set(s7_scheme *sc, s7_pointer lst, s7_int num, s7_pointer val); /* (list-set! lst num val) */ -s7_pointer s7_assoc(s7_scheme *sc, s7_pointer obj, s7_pointer lst); /* (assoc obj lst) */ -s7_pointer s7_assq(s7_scheme *sc, s7_pointer obj, s7_pointer x); /* (assq obj lst) */ -s7_pointer s7_member(s7_scheme *sc, s7_pointer obj, s7_pointer lst); /* (member obj lst) */ -s7_pointer s7_memq(s7_scheme *sc, s7_pointer obj, s7_pointer x); /* (memq obj lst) */ -bool s7_tree_memq(s7_scheme *sc, s7_pointer sym, s7_pointer tree); /* (tree-memq sym tree) */ - - -bool s7_is_string(s7_pointer p); /* (string? p) */ -const char *s7_string(s7_pointer p); /* Scheme string -> C string (do not free the string) */ -s7_pointer s7_make_string(s7_scheme *sc, const char *str); /* C string -> Scheme string (str is copied) */ -s7_pointer s7_make_string_with_length(s7_scheme *sc, const char *str, s7_int len); /* same as s7_make_string, but provides strlen */ -s7_pointer s7_make_string_wrapper(s7_scheme *sc, const char *str); -s7_pointer s7_make_string_wrapper_with_length(s7_scheme *sc, const char *str, s7_int len); -s7_pointer s7_make_permanent_string(s7_scheme *sc, const char *str); /* make a string that will never be GC'd */ -s7_pointer s7_make_semipermanent_string(s7_scheme *sc, const char *str); /* for (s7) string permanent within one s7 instance (freed upon s7_free) */ -s7_int s7_string_length(s7_pointer str); /* (string-length str) */ - - -bool s7_is_character(s7_pointer p); /* (character? p) */ -uint8_t s7_character(s7_pointer p); /* Scheme character -> unsigned C char */ -s7_pointer s7_make_character(s7_scheme *sc, uint8_t c); /* unsigned C char -> Scheme character */ - - -bool s7_is_number(s7_pointer p); /* (number? p) */ -bool s7_is_integer(s7_pointer p); /* (integer? p) */ -s7_int s7_integer(s7_pointer p); /* Scheme integer -> C integer (s7_int) */ -s7_pointer s7_make_integer(s7_scheme *sc, s7_int num); /* C s7_int -> Scheme integer */ - -bool s7_is_real(s7_pointer p); /* (real? p) */ -s7_double s7_real(s7_pointer p); /* Scheme real -> C double */ -s7_pointer s7_make_real(s7_scheme *sc, s7_double num); /* C double -> Scheme real */ -s7_pointer s7_make_mutable_real(s7_scheme *sc, s7_double n); -s7_double s7_number_to_real(s7_scheme *sc, s7_pointer x); /* x can be any kind of number */ -s7_double s7_number_to_real_with_caller(s7_scheme *sc, s7_pointer x, const char *caller); -s7_double s7_number_to_real_with_location(s7_scheme *sc, s7_pointer x, s7_pointer caller); -s7_int s7_number_to_integer(s7_scheme *sc, s7_pointer x); -s7_int s7_number_to_integer_with_caller(s7_scheme *sc, s7_pointer x, const char *caller); - -bool s7_is_rational(s7_pointer arg); /* (rational? arg) -- integer or ratio */ -bool s7_is_ratio(s7_pointer arg); /* true if arg is a ratio, not an integer */ -s7_pointer s7_make_ratio(s7_scheme *sc, s7_int a, s7_int b); /* returns the Scheme object a/b */ -s7_pointer s7_rationalize(s7_scheme *sc, s7_double x, s7_double error); /* (rationalize x error) */ -s7_int s7_numerator(s7_pointer x); /* (numerator x) */ -s7_int s7_denominator(s7_pointer x); /* (denominator x) */ -s7_double s7_random(s7_scheme *sc, s7_pointer state); /* (random x) */ -s7_pointer s7_random_state(s7_scheme *sc, s7_pointer seed); /* (random-state seed) */ -s7_pointer s7_random_state_to_list(s7_scheme *sc, s7_pointer args); /* (random-state->list r) */ -void s7_set_default_random_state(s7_scheme *sc, s7_int seed, s7_int carry); -bool s7_is_random_state(s7_pointer p); /* (random-state? p) */ - -bool s7_is_complex(s7_pointer arg); /* (complex? arg) */ -s7_pointer s7_make_complex(s7_scheme *sc, s7_double a, s7_double b); /* returns the Scheme object a+bi */ -s7_double s7_real_part(s7_pointer z); /* (real-part z) */ -s7_double s7_imag_part(s7_pointer z); /* (imag-part z) */ -char *s7_number_to_string(s7_scheme *sc, s7_pointer obj, s7_int radix); /* (number->string obj radix) */ - -bool s7_is_vector(s7_pointer p); /* (vector? p) */ -s7_int s7_vector_length(s7_pointer vec); /* (vector-length vec) */ -s7_int s7_vector_rank(s7_pointer vect); /* number of dimensions in vect */ -s7_int s7_vector_dimension(s7_pointer vec, s7_int dim); -s7_pointer *s7_vector_elements(s7_pointer vec); /* a pointer to the array of s7_pointers */ -s7_int *s7_int_vector_elements(s7_pointer vec); -uint8_t *s7_byte_vector_elements(s7_pointer vec); -s7_double *s7_float_vector_elements(s7_pointer vec); -bool s7_is_float_vector(s7_pointer p); /* (float-vector? p) */ -bool s7_is_int_vector(s7_pointer p); /* (int-vector? p) */ -bool s7_is_byte_vector(s7_pointer p); /* (byte-vector? p) */ - -s7_pointer s7_vector_ref(s7_scheme *sc, s7_pointer vec, s7_int index); /* (vector-ref vec index) */ -s7_pointer s7_vector_set(s7_scheme *sc, s7_pointer vec, s7_int index, s7_pointer a); /* (vector-set! vec index a) */ -s7_pointer s7_vector_ref_n(s7_scheme *sc, s7_pointer vector, s7_int indices, ...); /* multidimensional vector-ref */ -s7_pointer s7_vector_set_n(s7_scheme *sc, s7_pointer vector, s7_pointer value, s7_int indices, ...); /* multidimensional vector-set! */ -s7_int s7_vector_dimensions(s7_pointer vec, s7_int *dims, s7_int dims_size); /* vector dimensions */ -s7_int s7_vector_offsets(s7_pointer vec, s7_int *offs, s7_int offs_size); - -s7_int s7_int_vector_ref(s7_pointer vec, s7_int index); -s7_int s7_int_vector_set(s7_pointer vec, s7_int index, s7_int value); -uint8_t s7_byte_vector_ref(s7_pointer vec, s7_int index); -uint8_t s7_byte_vector_set(s7_pointer vec, s7_int index, uint8_t value); -s7_double s7_float_vector_ref(s7_pointer vec, s7_int index); -s7_double s7_float_vector_set(s7_pointer vec, s7_int index, s7_double value); - -s7_pointer s7_make_vector(s7_scheme *sc, s7_int len); /* (make-vector len) */ -s7_pointer s7_make_int_vector(s7_scheme *sc, s7_int len, s7_int dims, s7_int *dim_info); -s7_pointer s7_make_byte_vector(s7_scheme *sc, s7_int len, s7_int dims, s7_int *dim_info); -s7_pointer s7_make_float_vector(s7_scheme *sc, s7_int len, s7_int dims, s7_int *dim_info); -s7_pointer s7_make_normal_vector(s7_scheme *sc, s7_int len, s7_int dims, s7_int *dim_info); /* make-vector but possibly multidimensional */ -s7_pointer s7_make_float_vector_wrapper(s7_scheme *sc, s7_int len, s7_double *data, s7_int dims, s7_int *dim_info, bool free_data); -s7_pointer s7_make_and_fill_vector(s7_scheme *sc, s7_int len, s7_pointer fill); /* (make-vector len fill) */ - -void s7_vector_fill(s7_scheme *sc, s7_pointer vec, s7_pointer obj); /* (vector-fill! vec obj) */ -s7_pointer s7_vector_copy(s7_scheme *sc, s7_pointer old_vect); -s7_pointer s7_vector_to_list(s7_scheme *sc, s7_pointer vect); /* (vector->list vec) */ - /* - * (vect i) is the same as (vector-ref vect i) - * (set! (vect i) x) is the same as (vector-set! vect i x) - * (vect i j k) accesses the 3-dimensional vect - * (set! (vect i j k) x) sets that element (vector-ref and vector-set! can also be used) - * (make-vector (list 2 3 4)) returns a 3-dimensional vector with the given dimension sizes - * (make-vector '(2 3) 1.0) returns a 2-dim vector with all elements set to 1.0 - */ - -bool s7_is_hash_table(s7_pointer p); /* (hash-table? p) */ -s7_pointer s7_make_hash_table(s7_scheme *sc, s7_int size); /* (make-hash-table size) */ -s7_pointer s7_hash_table_ref(s7_scheme *sc, s7_pointer table, s7_pointer key); - /* (hash-table-ref table key) */ -s7_pointer s7_hash_table_set(s7_scheme *sc, s7_pointer table, s7_pointer key, s7_pointer value); - /* (hash-table-set! table key value) */ -s7_int s7_hash_code(s7_scheme *sc, s7_pointer obj, s7_pointer eqfunc); /* (hash-code obj [eqfunc]) */ - -s7_pointer s7_hook_functions(s7_scheme *sc, s7_pointer hook); /* (hook-functions hook) */ -s7_pointer s7_hook_set_functions(s7_scheme *sc, s7_pointer hook, s7_pointer functions); /* (set! (hook-functions hook) ...) */ - - -bool s7_is_input_port(s7_scheme *sc, s7_pointer p); /* (input-port? p) */ -bool s7_is_output_port(s7_scheme *sc, s7_pointer p); /* (output-port? p) */ -const char *s7_port_filename(s7_scheme *sc, s7_pointer x); /* (port-filename p) */ -s7_int s7_port_line_number(s7_scheme *sc, s7_pointer p); /* (port-line-number p) */ - -s7_pointer s7_current_input_port(s7_scheme *sc); /* (current-input-port) */ -s7_pointer s7_set_current_input_port(s7_scheme *sc, s7_pointer p); /* (set-current-input-port) */ -s7_pointer s7_current_output_port(s7_scheme *sc); /* (current-output-port) */ -s7_pointer s7_set_current_output_port(s7_scheme *sc, s7_pointer p); /* (set-current-output-port) */ -s7_pointer s7_current_error_port(s7_scheme *sc); /* (current-error-port) */ -s7_pointer s7_set_current_error_port(s7_scheme *sc, s7_pointer port); /* (set-current-error-port port) */ -void s7_close_input_port(s7_scheme *sc, s7_pointer p); /* (close-input-port p) */ -void s7_close_output_port(s7_scheme *sc, s7_pointer p); /* (close-output-port p) */ -s7_pointer s7_open_input_file(s7_scheme *sc, const char *name, const char *mode); - /* (open-input-file name mode) */ -s7_pointer s7_open_output_file(s7_scheme *sc, const char *name, const char *mode); - /* (open-output-file name mode) */ - /* mode here is an optional C style flag, "a" for "alter", etc ("r" is the input default, "w" is the output default) */ -s7_pointer s7_open_input_string(s7_scheme *sc, const char *input_string); - /* (open-input-string str) */ -s7_pointer s7_open_output_string(s7_scheme *sc); /* (open-output-string) */ -const char *s7_get_output_string(s7_scheme *sc, s7_pointer out_port); /* (get-output-string port) -- current contents of output string */ - /* don't free the string */ -s7_pointer s7_output_string(s7_scheme *sc, s7_pointer p); /* same but returns an s7 string */ -bool s7_flush_output_port(s7_scheme *sc, s7_pointer p); /* (flush-output-port port) */ - -typedef enum {S7_READ, S7_READ_CHAR, S7_READ_LINE, S7_PEEK_CHAR, S7_IS_CHAR_READY, S7_NUM_READ_CHOICES} s7_read_t; -s7_pointer s7_open_output_function(s7_scheme *sc, void (*function)(s7_scheme *sc, uint8_t c, s7_pointer port)); -s7_pointer s7_open_input_function(s7_scheme *sc, s7_pointer (*function)(s7_scheme *sc, s7_read_t read_choice, s7_pointer port)); - -s7_pointer s7_read_char(s7_scheme *sc, s7_pointer port); /* (read-char port) */ -s7_pointer s7_peek_char(s7_scheme *sc, s7_pointer port); /* (peek-char port) */ -s7_pointer s7_read(s7_scheme *sc, s7_pointer port); /* (read port) */ -void s7_newline(s7_scheme *sc, s7_pointer port); /* (newline port) */ -s7_pointer s7_write_char(s7_scheme *sc, s7_pointer c, s7_pointer port); /* (write-char c port) */ -s7_pointer s7_write(s7_scheme *sc, s7_pointer obj, s7_pointer port); /* (write obj port) */ -s7_pointer s7_display(s7_scheme *sc, s7_pointer obj, s7_pointer port); /* (display obj port) */ -const char *s7_format(s7_scheme *sc, s7_pointer args); /* (format ... */ - - -bool s7_is_syntax(s7_pointer p); /* (syntax? p) */ -bool s7_is_symbol(s7_pointer p); /* (symbol? p) */ -const char *s7_symbol_name(s7_pointer p); /* (symbol->string p) -- don't free the string */ -s7_pointer s7_make_symbol(s7_scheme *sc, const char *name); /* (string->symbol name) */ -s7_pointer s7_gensym(s7_scheme *sc, const char *prefix); /* (gensym prefix) */ - -bool s7_is_keyword(s7_pointer obj); /* (keyword? obj) */ -s7_pointer s7_make_keyword(s7_scheme *sc, const char *key); /* (string->keyword key) */ -s7_pointer s7_keyword_to_symbol(s7_scheme *sc, s7_pointer key); /* (keyword->symbol key) */ - -s7_pointer s7_rootlet(s7_scheme *sc); /* (rootlet) */ -s7_pointer s7_shadow_rootlet(s7_scheme *sc); -s7_pointer s7_set_shadow_rootlet(s7_scheme *sc, s7_pointer let); -s7_pointer s7_curlet(s7_scheme *sc); /* (curlet) */ -s7_pointer s7_set_curlet(s7_scheme *sc, s7_pointer e); /* returns previous curlet */ -s7_pointer s7_outlet(s7_scheme *sc, s7_pointer e); /* (outlet e) */ -s7_pointer s7_sublet(s7_scheme *sc, s7_pointer env, s7_pointer bindings); /* (sublet e ...) */ -s7_pointer s7_inlet(s7_scheme *sc, s7_pointer bindings); /* (inlet ...) */ -s7_pointer s7_varlet(s7_scheme *sc, s7_pointer env, s7_pointer symbol, s7_pointer value); /* (varlet env symbol value) */ -s7_pointer s7_let_to_list(s7_scheme *sc, s7_pointer env); /* (let->list env) */ -bool s7_is_let(s7_pointer e); /* )let? e) */ -s7_pointer s7_let_ref(s7_scheme *sc, s7_pointer env, s7_pointer sym); /* (let-ref e sym) */ -s7_pointer s7_let_set(s7_scheme *sc, s7_pointer env, s7_pointer sym, s7_pointer val); /* (let-set! e sym val) */ -s7_pointer s7_openlet(s7_scheme *sc, s7_pointer e); /* (openlet e) */ -bool s7_is_openlet(s7_pointer e); /* (openlet? e) */ -s7_pointer s7_method(s7_scheme *sc, s7_pointer obj, s7_pointer method); - -/* *s7* */ -/* these renamed because "s7_let_field" seems the same as "s7_let", but here we're referring to *s7*, not any let */ -s7_pointer s7_let_field_ref(s7_scheme *sc, s7_pointer sym); /* (*s7* sym) */ -s7_pointer s7_let_field_set(s7_scheme *sc, s7_pointer sym, s7_pointer new_value); /* (set! (*s7* sym) new_value) */ -/* new names */ -s7_pointer s7_starlet_ref(s7_scheme *sc, s7_pointer sym); /* (*s7* sym) */ -s7_pointer s7_starlet_set(s7_scheme *sc, s7_pointer sym, s7_pointer new_value); /* (set! (*s7* sym) new_value) */ - -s7_pointer s7_name_to_value(s7_scheme *sc, const char *name); /* name's value in the current environment (after turning name into a symbol) */ -s7_pointer s7_symbol_table_find_name(s7_scheme *sc, const char *name); -s7_pointer s7_symbol_value(s7_scheme *sc, s7_pointer sym); -s7_pointer s7_symbol_set_value(s7_scheme *sc, s7_pointer sym, s7_pointer val); -s7_pointer s7_symbol_local_value(s7_scheme *sc, s7_pointer sym, s7_pointer local_env); -bool s7_for_each_symbol_name(s7_scheme *sc, bool (*symbol_func)(const char *symbol_name, void *data), void *data); -bool s7_for_each_symbol(s7_scheme *sc, bool (*symbol_func)(const char *symbol_name, void *data), void *data); - - /* these access the current environment and symbol table, providing - * a symbol's current binding (s7_name_to_value takes the symbol name as a char*, - * s7_symbol_value takes the symbol itself, s7_symbol_set_value changes the - * current binding, and s7_symbol_local_value uses the environment passed - * as its third argument). - * - * To iterate over the complete symbol table, use s7_for_each_symbol_name, - * and s7_for_each_symbol. Both call 'symbol_func' on each symbol, passing it - * the symbol or symbol name, and the uninterpreted 'data' pointer. - * the current binding. The for-each loop stops if the symbol_func returns true, - * or at the end of the table. - */ - -s7_pointer s7_dynamic_wind(s7_scheme *sc, s7_pointer init, s7_pointer body, s7_pointer finish); - -bool s7_is_immutable(s7_pointer p); -s7_pointer s7_immutable(s7_pointer p); - -void s7_define(s7_scheme *sc, s7_pointer env, s7_pointer symbol, s7_pointer value); -bool s7_is_defined(s7_scheme *sc, const char *name); -s7_pointer s7_define_variable(s7_scheme *sc, const char *name, s7_pointer value); -s7_pointer s7_define_variable_with_documentation(s7_scheme *sc, const char *name, s7_pointer value, const char *help); -s7_pointer s7_define_constant(s7_scheme *sc, const char *name, s7_pointer value); -s7_pointer s7_define_constant_with_documentation(s7_scheme *sc, const char *name, s7_pointer value, const char *help); -s7_pointer s7_define_constant_with_environment(s7_scheme *sc, s7_pointer envir, const char *name, s7_pointer value); - /* These functions add a symbol and its binding to either the top-level environment - * or the 'env' passed as the second argument to s7_define. Except for s7_define, they return - * the name as a symbol. - * - * s7_define_variable(sc, "*features*", s7_nil(sc)); - * - * in s7.c is equivalent to the top level form - * - * (define *features* ()) - * - * s7_define_variable is simply s7_define with string->symbol and the global environment. - * s7_define_constant is s7_define but makes its "definee" immutable. - * s7_define is equivalent to define in Scheme, except that it does not return the value. - */ - -bool s7_is_function(s7_pointer p); -bool s7_is_procedure(s7_pointer x); /* (procedure? x) */ -bool s7_is_macro(s7_scheme *sc, s7_pointer x); /* (macro? x) */ -s7_pointer s7_closure_body(s7_scheme *sc, s7_pointer p); -s7_pointer s7_closure_let(s7_scheme *sc, s7_pointer p); -s7_pointer s7_closure_args(s7_scheme *sc, s7_pointer p); -s7_pointer s7_funclet(s7_scheme *sc, s7_pointer p); /* (funclet x) */ -bool s7_is_aritable(s7_scheme *sc, s7_pointer x, s7_int args); /* (aritable? x args) */ -s7_pointer s7_arity(s7_scheme *sc, s7_pointer x); /* (arity x) */ -const char *s7_help(s7_scheme *sc, s7_pointer obj); /* (help obj) */ -s7_pointer s7_make_continuation(s7_scheme *sc); /* call/cc... (see example below) */ - -const char *s7_documentation(s7_scheme *sc, s7_pointer p); /* (documentation x) if any (don't free the string) */ -const char *s7_set_documentation(s7_scheme *sc, s7_pointer p, const char *new_doc); -s7_pointer s7_setter(s7_scheme *sc, s7_pointer obj); /* (setter obj) */ -s7_pointer s7_set_setter(s7_scheme *sc, s7_pointer p, s7_pointer setter); /* (set! (setter p) setter) */ -s7_pointer s7_signature(s7_scheme *sc, s7_pointer func); /* (signature obj) */ -s7_pointer s7_make_signature(s7_scheme *sc, s7_int len, ...); /* procedure-signature data */ -s7_pointer s7_make_circular_signature(s7_scheme *sc, s7_int cycle_point, s7_int len, ...); - -/* possibly unsafe functions: */ -s7_pointer s7_make_function(s7_scheme *sc, const char *name, s7_function fnc, s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc); - -/* safe functions: */ -s7_pointer s7_make_safe_function(s7_scheme *sc, const char *name, s7_function fnc, s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc); -s7_pointer s7_make_typed_function(s7_scheme *sc, const char *name, s7_function f, - s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc, s7_pointer signature); - -/* arglist or body possibly unsafe: */ -s7_pointer s7_define_function(s7_scheme *sc, const char *name, s7_function fnc, s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc); - -/* arglist and body safe: */ -s7_pointer s7_define_safe_function(s7_scheme *sc, const char *name, s7_function fnc, s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc); -s7_pointer s7_define_typed_function(s7_scheme *sc, const char *name, s7_function fnc, - s7_int required_args, s7_int optional_args, bool rest_arg, - const char *doc, s7_pointer signature); - -/* arglist unsafe or body unsafe: */ -s7_pointer s7_define_unsafe_typed_function(s7_scheme *sc, const char *name, s7_function fnc, - s7_int required_args, s7_int optional_args, bool rest_arg, - const char *doc, s7_pointer signature); - -/* arglist safe, body possibly unsafe: */ -s7_pointer s7_define_semisafe_typed_function(s7_scheme *sc, const char *name, s7_function fnc, - s7_int required_args, s7_int optional_args, bool rest_arg, - const char *doc, s7_pointer signature); - -s7_pointer s7_make_function_star(s7_scheme *sc, const char *name, s7_function fnc, const char *arglist, const char *doc); -s7_pointer s7_make_safe_function_star(s7_scheme *sc, const char *name, s7_function fnc, const char *arglist, const char *doc); -void s7_define_function_star(s7_scheme *sc, const char *name, s7_function fnc, const char *arglist, const char *doc); -void s7_define_safe_function_star(s7_scheme *sc, const char *name, s7_function fnc, const char *arglist, const char *doc); -void s7_define_typed_function_star(s7_scheme *sc, const char *name, s7_function fnc, const char *arglist, const char *doc, s7_pointer signature); -s7_pointer s7_define_macro(s7_scheme *sc, const char *name, s7_function fnc, s7_int required_args, s7_int optional_args, bool rest_arg, const char *doc); - - /* s7_make_function creates a Scheme function object from the s7_function 'fnc'. - * Its name (for s7_describe_object) is 'name', it requires 'required_args' arguments, - * can accept 'optional_args' other arguments, and if 'rest_arg' is true, it accepts - * a "rest" argument (a list of all the trailing arguments). The function's documentation - * is 'doc'. The s7_make_functions return the new function, but the s7_define_function (and macro) - * procedures return the name as a symbol (a desire for backwards compatibility brought about this split). - * - * s7_define_function is the same as s7_make_function, but it also adds 'name' (as a symbol) to the - * global (top-level) environment, with the function as its value (and returns the symbol, not the function). - * For example, the Scheme function 'car' is essentially: - * - * s7_pointer g_car(s7_scheme *sc, s7_pointer args) {return(s7_car(s7_car(args)));} - * - * then bound to the name "car": - * - * s7_define_function(sc, "car", g_car, 1, 0, false, "(car obj)"); - * ^ one required arg, no optional arg, no "rest" arg - * - * s7_is_function returns true if its argument is a function defined in this manner. - * s7_apply_function applies the function (the result of s7_make_function) to the arguments. - * - * s7_define_macro defines a Scheme macro; its arguments are not evaluated (unlike a function), - * but the macro's returned value (assumed to be some sort of Scheme expression) is evaluated. - * s7_define_macro returns the name as a symbol. - * - * Use the "unsafe" definer if the function might call the evaluator itself in some way (s7_apply_function for example), - * or messes with s7's stack. - */ - - /* In s7, (define* (name . args) body) or (define name (lambda* args body)) - * define a function that takes optional (keyword) named arguments. - * The "args" is a list that can contain either names (normal arguments), - * or lists of the form (name default-value), in any order. When called, - * the names are bound to their default values (or #f), then the function's - * current arglist is scanned. Any name that occurs as a keyword (":name") - * precedes that argument's new value. Otherwise, as values occur, they - * are plugged into the environment based on their position in the arglist - * (as normal for a function). So, - * - * (define* (hi a (b 32) (c "hi")) (list a b c)) - * (hi 1) -> '(1 32 "hi") - * (hi :b 2 :a 3) -> '(3 2 "hi") - * (hi 3 2 1) -> '(3 2 1) - * - * :rest causes its argument to be bound to the rest of the arguments at that point. - * - * The C connection to this takes the function name, the C function to call, the argument - * list as written in Scheme, and the documentation string. s7 makes sure the arguments - * are ordered correctly and have the specified defaults before calling the C function. - * s7_define_function_star(sc, "a-func", a_func, "arg1 (arg2 32)", "an example of C define*"); - * Now (a-func :arg1 2) calls the C function a_func(2, 32). See the example program in s7.html. - * - * In s7 Scheme, define* can be used just for its optional arguments feature, but that is - * included in s7_define_function. s7_define_function_star implements keyword arguments - * for C-level functions (as well as optional/rest arguments). - */ - -s7_pointer s7_apply_function(s7_scheme *sc, s7_pointer fnc, s7_pointer args); -s7_pointer s7_apply_function_star(s7_scheme *sc, s7_pointer fnc, s7_pointer args); - -s7_pointer s7_call(s7_scheme *sc, s7_pointer func, s7_pointer args); -s7_pointer s7_call_with_location(s7_scheme *sc, s7_pointer func, s7_pointer args, const char *caller, const char *file, s7_int line); -s7_pointer s7_call_with_catch(s7_scheme *sc, s7_pointer tag, s7_pointer body, s7_pointer error_handler); - - /* s7_call takes a Scheme function and applies it to 'args' (a list of arguments) returning the result. - * s7_pointer kar; - * kar = s7_make_function(sc, "car", g_car, 1, 0, false, "(car obj)"); - * s7_integer(s7_call(sc, kar, s7_cons(sc, s7_cons(sc, s7_make_integer(sc, 123), s7_nil(sc)), s7_nil(sc)))); - * returns 123. - * - * s7_call_with_location passes some information to the error handler. - * s7_call makes sure some sort of catch exists if an error occurs during the call, but - * s7_apply_function does not -- it assumes the catch has been set up already. - * s7_call_with_catch wraps an explicit catch around a function call ("body" above); - * s7_call_with_catch(sc, tag, body, err) is equivalent to (catch tag body err). - */ - -bool s7_is_dilambda(s7_pointer obj); -s7_pointer s7_dilambda(s7_scheme *sc, - const char *name, - s7_pointer (*getter)(s7_scheme *sc, s7_pointer args), - s7_int get_req_args, s7_int get_opt_args, - s7_pointer (*setter)(s7_scheme *sc, s7_pointer args), - s7_int set_req_args, s7_int set_opt_args, - const char *documentation); -s7_pointer s7_typed_dilambda(s7_scheme *sc, - const char *name, - s7_pointer (*getter)(s7_scheme *sc, s7_pointer args), - s7_int get_req_args, s7_int get_opt_args, - s7_pointer (*setter)(s7_scheme *sc, s7_pointer args), - s7_int set_req_args, s7_int set_opt_args, - const char *documentation, - s7_pointer get_sig, s7_pointer set_sig); -s7_pointer s7_dilambda_with_environment(s7_scheme *sc, s7_pointer envir, - const char *name, - s7_pointer (*getter)(s7_scheme *sc, s7_pointer args), - s7_int get_req_args, s7_int get_opt_args, - s7_pointer (*setter)(s7_scheme *sc, s7_pointer args), - s7_int set_req_args, s7_int set_opt_args, - const char *documentation); - -s7_pointer s7_values(s7_scheme *sc, s7_pointer args); /* (values ...) */ -bool s7_is_multiple_value(s7_pointer obj); /* is obj the results of (values ...) */ - -s7_pointer s7_make_iterator(s7_scheme *sc, s7_pointer e); /* (make-iterator e) */ -bool s7_is_iterator(s7_pointer obj); /* (iterator? obj) */ -bool s7_iterator_is_at_end(s7_scheme *sc, s7_pointer obj); /* (iterator-at-end? obj) */ -s7_pointer s7_iterate(s7_scheme *sc, s7_pointer iter); /* (iterate iter) */ - -s7_pointer s7_copy(s7_scheme *sc, s7_pointer args); /* (copy ...) */ -s7_pointer s7_fill(s7_scheme *sc, s7_pointer args); /* (fill! ...) */ -s7_pointer s7_type_of(s7_scheme *sc, s7_pointer arg); /* (type-of arg) */ - - - -/* -------------------------------------------------------------------------------- */ -/* c types/objects */ - -void s7_mark(s7_pointer p); - -bool s7_is_c_object(s7_pointer p); -s7_int s7_c_object_type(s7_pointer obj); -void *s7_c_object_value(s7_pointer obj); -void *s7_c_object_value_checked(s7_pointer obj, s7_int type); -s7_pointer s7_make_c_object(s7_scheme *sc, s7_int type, void *value); -s7_pointer s7_make_c_object_with_let(s7_scheme *sc, s7_int type, void *value, s7_pointer let); -s7_pointer s7_make_c_object_without_gc(s7_scheme *sc, s7_int type, void *value); -s7_pointer s7_c_object_let(s7_pointer obj); -s7_pointer s7_c_object_set_let(s7_scheme *sc, s7_pointer obj, s7_pointer e); -/* the "let" in s7_make_c_object_with_let and s7_c_object_set_let needs to be GC protected by marking it in the c_object's mark function */ - -s7_int s7_make_c_type(s7_scheme *sc, const char *name); /* create a new c_object type */ - -/* old style free/mark/equal */ -void s7_c_type_set_free (s7_scheme *sc, s7_int tag, void (*gc_free)(void *value)); -void s7_c_type_set_mark (s7_scheme *sc, s7_int tag, void (*mark)(void *value)); -void s7_c_type_set_equal (s7_scheme *sc, s7_int tag, bool (*equal)(void *value1, void *value2)); - -/* new style free/mark/equal and equivalent */ -void s7_c_type_set_gc_free (s7_scheme *sc, s7_int tag, s7_pointer (*gc_free) (s7_scheme *sc, s7_pointer obj)); /* free c_object function, new style*/ -void s7_c_type_set_gc_mark (s7_scheme *sc, s7_int tag, s7_pointer (*mark) (s7_scheme *sc, s7_pointer obj)); /* mark function, new style */ -void s7_c_type_set_is_equal (s7_scheme *sc, s7_int tag, s7_pointer (*is_equal) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_is_equivalent(s7_scheme *sc, s7_int tag, s7_pointer (*is_equivalent)(s7_scheme *sc, s7_pointer args)); - -void s7_c_type_set_ref (s7_scheme *sc, s7_int tag, s7_pointer (*ref) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_set (s7_scheme *sc, s7_int tag, s7_pointer (*set) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_length (s7_scheme *sc, s7_int tag, s7_pointer (*length) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_copy (s7_scheme *sc, s7_int tag, s7_pointer (*copy) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_fill (s7_scheme *sc, s7_int tag, s7_pointer (*fill) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_reverse (s7_scheme *sc, s7_int tag, s7_pointer (*reverse) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_to_list (s7_scheme *sc, s7_int tag, s7_pointer (*to_list) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_to_string (s7_scheme *sc, s7_int tag, s7_pointer (*to_string) (s7_scheme *sc, s7_pointer args)); -void s7_c_type_set_getter (s7_scheme *sc, s7_int tag, s7_pointer getter); -void s7_c_type_set_setter (s7_scheme *sc, s7_int tag, s7_pointer setter); -/* For the copy function, either the first or second argument can be a c-object of the given type. */ - - /* These functions create a new Scheme object type. There is a simple example in s7.html. - * - * s7_make_c_type creates a new C-based type for Scheme. It returns an s7_int "tag" used to indentify this type elsewhere. - * The functions associated with this type are set via s7_c_type_set*: - * - * free: the function called when an object of this type is about to be garbage collected - * mark: called during the GC mark pass -- you should call s7_mark - * on any embedded s7_pointer associated with the object (including its "let") to protect if from the GC. - * gc_mark and gc_free are new forms of mark and free, taking the c_object s7_pointer rather than its void* value - * equal: compare two objects of this type; (equal? obj1 obj2) -- this is the old form - * is_equal: compare objects as in equal? -- this is the new form of equal? - * is_equivalent: compare objects as in equivalent? - * ref: a function that is called whenever an object of this type - * occurs in the function position (at the car of a list; the rest of the list - * is passed to the ref function as the arguments: (obj ...)) - * set: a function that is called whenever an object of this type occurs as - * the target of a generalized set! (set! (obj ...) val) - * length: the function called when the object is asked what its length is. - * copy: the function called when a copy of the object is needed. - * fill: the function called to fill the object with some value. - * reverse: similarly... - * to_string: object->string for an object of this type - * getter/setter: these help the optimizer handle applicable c-objects (see s7test.scm for an example) - * - * s7_is_c_object returns true if 'p' is a c_object - * s7_c_object_type returns the c_object's type (the s7_int passed to s7_make_c_object) - * s7_c_object_value returns the value bound to that c_object (the void *value of s7_make_c_object) - * s7_make_c_object creates a new Scheme entity of the given type with the given (uninterpreted) value - * s7_mark marks any Scheme c_object as in-use (use this in the mark function to mark - * any embedded s7_pointer variables). - */ - -/* -------------------------------------------------------------------------------- */ -/* the new clm optimizer! this time for sure! - * d=double, i=integer, v=c_object, p=s7_pointer - * first return type, then arg types, d_vd -> returns double takes c_object and double (i.e. a standard clm generator) - * - * It is possible to tell s7 to call a foreign function directly, without any scheme-related - * overhead. The call needs to take the form of one of the s7_*_t functions in s7.h. For example, - * one way to call + is to pass it two s7_double arguments and get an s7_double back. This is the - * s7_d_dd_t function (the first letter gives the return type, the rest give successive argument types). - * We tell s7 about it via s7_set_d_dd_function. Whenever s7's optimizer encounters + with two arguments - * that it (the optimizer) knows are s7_doubles, in a context where an s7_double result is expected, - * s7 calls the s7_d_dd_t function directly without consing a list of arguments, and without - * wrapping up the result as a scheme cell. - */ - -s7_pfunc s7_optimize(s7_scheme *sc, s7_pointer expr); - -typedef s7_double (*s7_float_function)(s7_scheme *sc); -s7_float_function s7_float_optimize(s7_scheme *sc, s7_pointer expr); - -typedef s7_double (*s7_d_t)(void); -void s7_set_d_function(s7_scheme *sc, s7_pointer f, s7_d_t df); -s7_d_t s7_d_function(s7_pointer f); - -typedef s7_double (*s7_d_d_t)(s7_double x); -void s7_set_d_d_function(s7_scheme *sc, s7_pointer f, s7_d_d_t df); -s7_d_d_t s7_d_d_function(s7_pointer f); - -typedef s7_double (*s7_d_dd_t)(s7_double x1, s7_double x2); -void s7_set_d_dd_function(s7_scheme *sc, s7_pointer f, s7_d_dd_t df); -s7_d_dd_t s7_d_dd_function(s7_pointer f); - -typedef s7_double (*s7_d_ddd_t)(s7_double x1, s7_double x2, s7_double x3); -void s7_set_d_ddd_function(s7_scheme *sc, s7_pointer f, s7_d_ddd_t df); -s7_d_ddd_t s7_d_ddd_function(s7_pointer f); - -typedef s7_double (*s7_d_dddd_t)(s7_double x1, s7_double x2, s7_double x3, s7_double x4); -void s7_set_d_dddd_function(s7_scheme *sc, s7_pointer f, s7_d_dddd_t df); -s7_d_dddd_t s7_d_dddd_function(s7_pointer f); - -typedef s7_double (*s7_d_v_t)(void *v); -void s7_set_d_v_function(s7_scheme *sc, s7_pointer f, s7_d_v_t df); -s7_d_v_t s7_d_v_function(s7_pointer f); - -typedef s7_double (*s7_d_vd_t)(void *v, s7_double d); -void s7_set_d_vd_function(s7_scheme *sc, s7_pointer f, s7_d_vd_t df); -s7_d_vd_t s7_d_vd_function(s7_pointer f); - -typedef s7_double (*s7_d_vdd_t)(void *v, s7_double x1, s7_double x2); -void s7_set_d_vdd_function(s7_scheme *sc, s7_pointer f, s7_d_vdd_t df); -s7_d_vdd_t s7_d_vdd_function(s7_pointer f); - -typedef s7_double (*s7_d_vid_t)(void *v, s7_int i, s7_double d); -void s7_set_d_vid_function(s7_scheme *sc, s7_pointer f, s7_d_vid_t df); -s7_d_vid_t s7_d_vid_function(s7_pointer f); - -typedef s7_double (*s7_d_p_t)(s7_pointer p); -void s7_set_d_p_function(s7_scheme *sc, s7_pointer f, s7_d_p_t df); -s7_d_p_t s7_d_p_function(s7_pointer f); - -typedef s7_double (*s7_d_pd_t)(s7_pointer v, s7_double x); -void s7_set_d_pd_function(s7_scheme *sc, s7_pointer f, s7_d_pd_t df); -s7_d_pd_t s7_d_pd_function(s7_pointer f); - -typedef s7_double (*s7_d_7pi_t)(s7_scheme *sc, s7_pointer v, s7_int i); -void s7_set_d_7pi_function(s7_scheme *sc, s7_pointer f, s7_d_7pi_t df); -s7_d_7pi_t s7_d_7pi_function(s7_pointer f); - -typedef s7_double (*s7_d_7pid_t)(s7_scheme *sc, s7_pointer v, s7_int i, s7_double d); -void s7_set_d_7pid_function(s7_scheme *sc, s7_pointer f, s7_d_7pid_t df); -s7_d_7pid_t s7_d_7pid_function(s7_pointer f); - -typedef s7_double (*s7_d_id_t)(s7_int i, s7_double d); -void s7_set_d_id_function(s7_scheme *sc, s7_pointer f, s7_d_id_t df); -s7_d_id_t s7_d_id_function(s7_pointer f); - -typedef s7_double (*s7_d_ip_t)(s7_int i, s7_pointer p); -void s7_set_d_ip_function(s7_scheme *sc, s7_pointer f, s7_d_ip_t df); -s7_d_ip_t s7_d_ip_function(s7_pointer f); - -typedef s7_int (*s7_i_i_t)(s7_int x); -void s7_set_i_i_function(s7_scheme *sc, s7_pointer f, s7_i_i_t df); -s7_i_i_t s7_i_i_function(s7_pointer f); - -typedef s7_int (*s7_i_7d_t)(s7_scheme *sc, s7_double x); -void s7_set_i_7d_function(s7_scheme *sc, s7_pointer f, s7_i_7d_t df); -s7_i_7d_t s7_i_7d_function(s7_pointer f); - -typedef s7_int (*s7_i_ii_t)(s7_int i1, s7_int i2); -void s7_set_i_ii_function(s7_scheme *sc, s7_pointer f, s7_i_ii_t df); -s7_i_ii_t s7_i_ii_function(s7_pointer f); - -typedef s7_int (*s7_i_7p_t)(s7_scheme *sc, s7_pointer p); -void s7_set_i_7p_function(s7_scheme *sc, s7_pointer f, s7_i_7p_t df); -s7_i_7p_t s7_i_7p_function(s7_pointer f); - -typedef bool (*s7_b_p_t)(s7_pointer p); -void s7_set_b_p_function(s7_scheme *sc, s7_pointer f, s7_b_p_t df); -s7_b_p_t s7_b_p_function(s7_pointer f); - -typedef s7_pointer (*s7_p_d_t)(s7_scheme *sc, s7_double x); -void s7_set_p_d_function(s7_scheme *sc, s7_pointer f, s7_p_d_t df); -s7_p_d_t s7_p_d_function(s7_pointer f); - -typedef s7_pointer (*s7_p_p_t)(s7_scheme *sc, s7_pointer p); -void s7_set_p_p_function(s7_scheme *sc, s7_pointer f, s7_p_p_t df); -s7_p_p_t s7_p_p_function(s7_pointer f); - -typedef s7_pointer (*s7_p_pp_t)(s7_scheme *sc, s7_pointer p1, s7_pointer p2); -void s7_set_p_pp_function(s7_scheme *sc, s7_pointer f, s7_p_pp_t df); -s7_p_pp_t s7_p_pp_function(s7_pointer f); - -typedef s7_pointer (*s7_p_ppp_t)(s7_scheme *sc, s7_pointer p1, s7_pointer p2, s7_pointer p3); -void s7_set_p_ppp_function(s7_scheme *sc, s7_pointer f, s7_p_ppp_t df); -s7_p_ppp_t s7_p_ppp_function(s7_pointer f); - -/* Here is an example of using these functions; more extensive examples are in clm2xen.c in sndlib, and in s7.c. - * (This example comes from a HackerNews discussion): - * plus.c: - * -------- - * #include "s7.h" - * - * s7_pointer g_plusone(s7_scheme *sc, s7_pointer args) {return(s7_make_integer(sc, s7_integer(s7_car(args)) + 1));} - * s7_int plusone(s7_int x) {return(x + 1);} - * - * void plusone_init(s7_scheme *sc) - * { - * s7_define_safe_function(sc, "plusone", g_plusone, 1, 0, false, ""); - * s7_set_i_i_function(sc, s7_name_to_value(sc, "plusone"), plusone); - * } - * -------- - * gcc -c plus.c -fPIC -O2 -lm - * gcc plus.o -shared -o plus.so -ldl -lm -Wl,-export-dynamic - * repl - * <1> (load "plus.so" (inlet 'init_func 'plusone_init)) - * -------- - */ - -/* -------------------------------------------------------------------------------- */ - -/* maybe remove these? */ -s7_pointer s7_slot(s7_scheme *sc, s7_pointer symbol); -s7_pointer s7_slot_value(s7_pointer slot); -s7_pointer s7_slot_set_value(s7_scheme *sc, s7_pointer slot, s7_pointer value); -s7_pointer s7_make_slot(s7_scheme *sc, s7_pointer env, s7_pointer symbol, s7_pointer value); -void s7_slot_set_real_value(s7_scheme *sc, s7_pointer slot, s7_double value); - -/* -------------------------------------------------------------------------------- */ - -#if (!DISABLE_DEPRECATED) -typedef s7_int s7_Int; -typedef s7_double s7_Double; - -#define s7_is_object s7_is_c_object -#define s7_object_type s7_c_object_type -#define s7_object_value s7_c_object_value -#define s7_make_object s7_make_c_object -#define s7_mark_object s7_mark -#define s7_UNSPECIFIED(Sc) s7_unspecified(Sc) -#endif - - -bool s7_is_bignum(s7_pointer obj); -#if WITH_GMP - mpfr_t *s7_big_real(s7_pointer x); - mpz_t *s7_big_integer(s7_pointer x); - mpq_t *s7_big_ratio(s7_pointer x); - mpc_t *s7_big_complex(s7_pointer x); - - bool s7_is_big_real(s7_pointer x); - bool s7_is_big_integer(s7_pointer x); - bool s7_is_big_ratio(s7_pointer x); - bool s7_is_big_complex(s7_pointer x); - - s7_pointer s7_make_big_real(s7_scheme *sc, mpfr_t *val); - s7_pointer s7_make_big_integer(s7_scheme *sc, mpz_t *val); - s7_pointer s7_make_big_ratio(s7_scheme *sc, mpq_t *val); - s7_pointer s7_make_big_complex(s7_scheme *sc, mpc_t *val); -#endif - - -/* -------------------------------------------------------------------------------- - * - * s7 changes - - * 8-Jan-23: s7_gc_protect_2_via_stack. - * -------- - * 15-Nov: s7_make_c_pointer_wrapper_with_type. - * 17-Mar-23: moved s7_is_bignum declaration outside WITH_GMP. - * -------- - * 9-Nov: nan, nan-payload, +nan.<int>. - * 19-Oct: s7_let_field* synonyms: s7_starlet*. - * 16-Sep: s7_number_to_real_with_location. s7_wrong_type_error. s7_make_string_wrapper_with_length. s7_make_semipermanent_string. - * 21-Apr: s7_is_multiple_value. - * 11-Apr: removed s7_apply_*. - * 22-Mar: s7_eval_with_location. - * 16-Mar: s7_list_to_array for the s7_apply_* changes. - * 8-Mar-22: moved s7_apply_* to xen.h if DISABLE_DEPRECATED. - * -------- - * 24-Nov: moved s7_p_p_t and friends into s7.h. - * 23-Sep: s7_make_byte_vector, s7_is_byte_vector, s7_byte_vector_ref|set|elements. - * 25-Aug: s7_output_string (like s7_get_output_string, but returns an s7 string). - * 19-Jul: s7_is_random_state, s7_make_normal_vector. s7_array_to_list. - * 12-Apr: s7_optimize now returns an s7_pfunc, not an s7_function. - * 7-Apr: removed the "args" parameter from s7_float_function. added s7_make_c_object_without_gc. - * 31-Mar: vector-rank, vector-dimension. - * 17-Mar: removed deprecated nan.0 and inf.0 due to compiler stupidity. - * 25-Jan: s7_define_semisafe_typed_function. - * 6-Jan-21: s7_hash_code. - * -------- - * 14-Oct: s7_load_c_string and s7_load_c_string_with_environment. - * 10-Sep: s7_free. - * 5-Aug: s7_make_list. - * 31-July: s7_define_constant_with_environment and s7_dilambda_with_environment. - * 29-July: open-input|output-function. add S7_NUM_READ_CHOICES to s7_read_t enum and remove (unused) S7_READ_BYTE. - * 20-July: s7_c_pointer_with_type. notcurses_s7.c and nrepl.scm. *autoload-hook*. - * 8-July: s7_int|float_vector_ref|set. subvector parameter order changed. - * 17-June: removed deprecated *s7* accessors. - * 20-May: libarb_s7.c. - * 12-May: s7_is_big*. - * 6-May: added s7_scheme* initial arguments to s7_set_* opt_func calls (s7_set_d_d_function for example). - * 23-Apr: added s7_scheme* initial argument to s7_is_eqv. - * 9-Mar: move openlets to (*s7* 'openlets), s7-version to (*s7* 'version), deprecate nan.0 and inf.0. - * 17-Feb: s7_let_field_ref|set for *s7* access. *function* to replace __func__. - * deprecate __func__, s7_print_length, s7_float_format_precision, s7_set_gc_stats. - * 31-Jan: macro(*) and bacro(*) -- unnamed macros analogous to lambda(*). - * 20-Jan: debug.scm and (*s7* 'debug), trace-in, dynamic-unwind. - * remove coverlets (openlets is now a dilambda). - * 10-Jan: s7_c_type_set_gc_free and s7_c_type_set_gc_mark. - * 2-Jan-20: s7_c_type_set_is_equal and s7_c_type_set_is_equivalent. - * -------- - * 2-Nov: s7_repl. - * 30-Oct: change S7_DATE format, and start updating it to reflect s7.c. - * 30-Jul: define-expansion*. - * 12-Jul: s7_call_with_catch, s7_load now returns NULL if file not found (rather than raise an error). - * 8-July: most-positive-fixnum and most-negative-fixnum moved to *s7*. - * 23-May: added s7_scheme argument to s7_c_object_set_let. - * 19-May: s7_gc_stats renamed s7_set_gc_stats. - * 7-May: s7_gc_unprotect_via_stack and s7_gc_(un)protect_via_location. - * 22-Mar: s7_float_format_precision. port-position. port-file. - * 4-Jan-19: morally-equal? -> equivalent? - * -------- - * 29-Dec: s7_c_type_set_getter|setter (implicit c-object access). - * 23-Dec: remove hash-table, rename hash-table* to hash-table. add weak-hash-table. - * 3-Dec: deprecate s7_gc_unprotect (use s7_gc_unprotect_at). - * 21-Nov: added s7_history_enabled and s7_set_history_enabled. - * 3-Nov: removed the "value" argument from s7_for_each_symbol. - * 22-Sep: s7_list_nl. - * 12-Sep: byte-vectors can be multidimensional; homogenous vectors of any built-in type. typed hash-tables. - * 29-Jul: symbol-setter deprecated (use setter). s7_symbol_documentation (and setter) folded into s7_documentation. - * 12-Jul: changed s7_vector_dimensions|offsets. - * Added s7_scheme* arg to make_permanent_string and several of the optimizer functions. - * 3-Jul: changed make-shared-vector to subvector. - * 20-May: s7_keyword_to_symbol. - * 6-May: s7_mark_c_object -> s7_mark. - * 26-Apr: s7_c_type_set_to_list|string, s7_c_type_set_apply -> s7_c_type_set_ref, removed s7_c_type_set_set|apply_direct - * c_type length|set|ref are now s7_functions (args, not obj, etc). - * 23-Mar: s7_peek_char and s7_read_char now return s7_pointer, s7_write_char takes s7_pointer, not int32_t c - * s7_gc_protect and friends now return/take s7_int location, not uint32_t. - * removed s7_new_type_x. - * 19-Mar: int32_t -> s7_int in various functions. - * 17-Mar: deprecate s7_ulong and s7_ulong_long functions. - * 26-Jan-18: s7_set_setter. - * -------- - * 11-Dec: s7_gc_protect_via_stack - * 3-Oct: renamed procedure-signature -> signature, procedure-documentation -> documentation, and procedure-setter -> setter. - * 18-Sep: s7_immutable, s7_is_immutable. define-constant follows lexical scope now. - * s7_symbol_access -> s7_symbol_setter, symbol-access -> symbol-setter. - * 3-Aug: object->c_object name changes. - * 28-Jul: s7_make_c_pointer_with_type and s7_c_pointer_type. - * 24-Jul: int64_t rather than long long int, and various related changes. - * 18-Jul: s7_make_object_with_let. - * 8-July: s7_define_typed_function_star, s7_make_function_star. s7_apply_function_star. - * 27-June: s7_make_string_wrapper. - * 22-May: lambda* keyword arg handling changed slightly. - * 9-May: s7_history, s7_add_to_history. - * 20-Apr: s7_tree_memq (for Snd), s7_type_of, many changes for new clm optimizer. - * 10-Apr: added s7_scheme first argument to s7_iterator_is_at_end. - * 28-Mar: removed the "rf", "pf" and "if" clm optimization functions. - * s7_optimize, s7_float_optimize, s7_procedure_signature. - * 22-Feb: removed the "gf" clm optimization functions. - * 11-Feb: #e, #i, #d removed. #i(...) is an int-vector constant, #r(...) a float-vector. - * 2-Jan-17: {apply_values} -> apply-values, {list} -> list-values, and {append} -> append. - * -------- - * 23-Sep: make-keyword -> string->keyword. - * 9-Aug: s7_varlet. - * 29-Jul: s7_define_unsafe_typed_function. - * 30-May: symbol takes any number of args. make-vector no longer takes an optional fourth argument. - * 24-May: let-ref/set! check rootlet now if let is not an open let; setter for with-let. - * 20-Feb: removed last vestiges of quasiquoted vector support. - * 3-Feb: *cload-directory*. - * 14-Jan: profile.scm. Moved multiple-value-set! to stuff.scm. Setter for port-line-number. - * 7-Jan: s7_load_with_environment. - * s7_eval_c_string takes only one statement now (use begin to handle multiple statements) - * 4-Jan-16: remove s7_eval_form, change s7_eval to take its place. - * -------- - * 11-Dec: owlet error-history field if WITH_HISTORY=1 - * 6-Nov: removed :key and :optional. - * 16-Oct: s7_make_random_state -> s7_random_state. - * 16-Aug: remove s7_define_integer_function, s7_function_set_removes_temp, - * add s7_define_typed_function, s7_make_signature. - * 5-Aug: added s7_scheme* arg to s7_openlet and s7_outlet. - * 3-Jul: s7_Double -> s7_double, s7_Int -> s7_int. Removed function_chooser_data. - * 27-Jun: s7_rf_t, s7_rp_t etc. - * 19-Jun: removed the ex_parser stuff, set_step_safe, s7_ex_fallback. - * 5-May: s7_make_iterator and friends. - * 16-Apr: added s7_fill, changed arg interpretation of s7_copy, s7_dynamic_wind. - * 30-Mar: s7_eval_c_string_with_environment (repl experiment). - * 19-Mar: repl.scm. - * 28-Feb: s7_vector_print_length -> s7_print_length, set case also. - * 25-Feb: s7_closure_* funcs to replace clumsy (deprecated) s7_procedure_source. - * 29-Jan: changed args to s7_new_type_x (added s7_scheme arg, fill! takes s7_function). - * 14-Jan-15: make-iterator, iterator? - * -------- - * 26-Dec: s7_arity replaces s7_procedure_arity. s7_define_integer_function. deprecate s7_procedure_name. - * 5-Nov: s7_shadow_rootlet and s7_set_shadow_rootlet. - * 30-Aug: s7_make_safe_function (for cload.scm). - * 25-July: define and friends now return the value, not the symbol. - * procedure_with_setter -> dilambda. - * environment -> let. All the replaced names are deprecated. - * 30-June: s7_method. - * 16-June: remove unoptimize and s7_unoptimize. - * 14-May: s7_define_safe_function_star. Removed s7_catch_all. - * 22-Apr: remove s7_apply_n_10, s7_is_valid_pointer, s7_keyword_eq_p. - * 5-Mar-14: s7_heap_size, s7_gc_freed (subsequently removed). - * -------- - * 8-Nov: s7_symbol_documentation, s7_define_constant_with_documentation. - * 17-Oct: bignum-precision (procedure-with-setter) is now an integer variable named *bignum-precision*. - * 28-Aug: s7_int|float_vector_elements (homogeneous vectors), libc.scm. - * 16-Aug: ~W directive in format, make-shared-vector. - * 23-Jul: s7_autoload_set_names, libm.scm, libdl.scm, libgdbm.scm, r7rs.scm, s7libtest.scm. - * 21-Jul: s7_is_valid (replaces deprecated s7_is_valid_pointer). - * 24-Jun: some bool-related changes for Windows Visual C++, including change to s7_begin_hook. - * 3-June: s7_autoload. - * 28-May: export s7_is_provided. Added s7_scheme* arg to s7_procedure_environment. - * 21-May: equality predicate optional arg in make-hash-table. - * 14-May: glistener.c, glistener.h, s7_symbol_table_find_name (for glistener). - * 2-May: r7rs changes: flush-output-port, vector-append, read|write-string, boolean=?, symbol=?. - * start/end args for string-fill!, vector-fill!, string->list, vector->list, and copy. - * exit, emergency-exit. - * 7-Apr: removed s7_scheme* arg from s7_slot_value, added s7_is_local_variable. - * 25-Mar: char-position, string-position, environment-ref, environment-set! added to the scheme side. - * 9-Jan-13: s7_cos, s7_sin, other optimization changes. - * -------- - * 24-Dec: s7_set_object_array_info and other such changes. - * 20-Nov: removed s7_set_error_exiter and s7_error_and_exit which I think have never been used. - * 22-Oct: changed args to s7_function_class and s7_function_set_class. - * 22-Aug: symbol->dynamic-value. - * 10-Aug: exported s7_outer_environment. - * 6-Aug: removed WITH_OPTIMIZATION. - * 25-July: environment (in scheme). s7_vector_ref_n and s7_vector_set_n. s7_copy. - * added s7_scheme arg to s7_number_to_real|integer. - * 16-July: s7_function_returns_temp (an experiment). - * 2-July: s7_object_set_* functions. - * 11-June: throw. - * 4-June. s7_object_environment. - * 31-May: added s7_scheme argument to all the optimizer chooser functions. - * 24-May: open-environment? - * 17-May: arity, aritable? - * removed trace and untrace. - * 14-May: s7_list. s7_procedure_set_setter. Removed s7_procedure_getter. - * procedure-setter is settable: removed most of procedure-with-setter. - * make-type replaced by open-environment. - * 11-May: s7 2.0: hook implementation changed completely. - * s7_environment_ref|set. - * 4-May: *error-info* replaced by error-environment, and stacktrace has changed. - * 22-Apr: #_<name> = startup (built-in) value of name - * 17-Apr: with-baffle. - * 14-Apr: WITH_SYSTEM_EXTRAS (default 0) has additional OS and IO functions: - * directory? file-exists? delete-file getenv directory->list system - * 26-Mar: "@" as exponent, WITH_AT_SIGN_AS_EXPONENT switch (default is 1). - * 18-Mar: removed *trace-hook*. - * 6-Feb: random-state?, hash-table-iterator?, and morally-equal? - * 18-Jan: s7_environment_to_list and environment->list return just the local environment's bindings. - * outer-environment returns the environment enclosing its argument (an environment). - * environments are now applicable objects. - * added the object system example to s7.html. - * 12-Jan: added reverse argument to s7_new_type_x. This is needed because an object might implement - * the apply and set methods, but they might refer to different things. - * 6-Jan-12: added (scheme side) logbit?. - * -------- - * 21-Dec: s7_eval, s7_make_slot, s7_slot_set_value. - * changed s7_symbol_slot to s7_slot, and s7_symbol_slot_value to s7_slot_value. - * 26-Oct: s7_procedure_name. - * 6-Oct: changed s7_make_closure args: split the code argument in two (args and body). - * s7_make_closure(... code ...) is now s7_make_closure(... car(code), cdr(code) ...) - * s7_is_environment. - * 19-Aug: s7_function_chooser_data. - * 11-Aug: s7_symbol_accessor functions. s7_cxxxxr. - * 9-Aug: s7_function_chooser, s7_function_choice, s7_function_choice_set_direct. - * 20-Jul: s7_function_class, s7_function_set_class, and s7_function_set_chooser. - * 14-Jul: removed thread and profiling support. - * 5-June: s7_define_safe_function and s7_unoptimize exported; added unoptimize function in scheme. - * 30-May: environment->list and s7_environment_to_list since environments are no longer alists internally. - * 26-May: added s7_scheme argument to s7_procedure_setter and getter (old names had "with_setter_"). - * 28-Apr: s7_help. - * 5-Apr: pair-line-number. - * 14-Mar: s7_make_random_state, optional state argument to s7_random, random-state->list, s7_random_state_to_list. - * 10-Feb: s7_vector_print_length, s7_set_vector_print_length. - * 7-Feb: s7_begin_hook, s7_set_begin_hook. - * 25-Jan: s7_is_thread, s7_thread, s7_make_thread, s7_thread_s7, s7_thread_data. - * s7_is_lock, s7_make_lock, s7_lock. - * changed s7_thread_variable_value to s7_thread_variable. - * 23-Jan: removed (scheme-level) quit. - * 17-Jan-11: make-hash-table-iterator. - * map and for-each accept any applicable object as the first argument. - * format's ~{...~} directive can handle any applicable object. - * -------- - * 17-Dec: removed unquote-splicing; replaced by (unquote (apply values ...)). - * 12-Dec: environment? - * 7-Dec: member and assoc have an optional third arg, the comparison function. - * 1-Dec: *gc-stats* in Scheme, s7_gc_stats in C. - * gmp and gtk-repl examples in s7.html. - * 21-Nov: Load C module example in s7.html. - * 12-Nov: *trace-hook*, *load-hook*, *error-hook*, and *unbound-variable-hook* are now s7 hooks. - * 9-Nov: hooks: C side: s7_is_hook, s7_make_hook, s7_hook_apply, s7_hook_functions, s7_hook_arity, s7_hook_documentation. - * s7 side: hook?, make-hook, hook, hook-apply, hook-functions, hook-arity, hook-documentation. - * 8-Nov: Closure defined in C example in s7.html. - * 23-Oct: s7_call_with_location for better error reporting. - * 19-Oct: *stdin*, *stdout*, *stderr* for default IO ports (rather than nil which is ambiguous). - * 14-Oct: removed special variable support. - * 30-Sep: setters for current-input-port, current-output-port, and current-error-port. - * 30-Aug: :allow-other-keys in define*. - * 10-Aug: added boolean argument use_write to s7_object_to_string (true=write, false=display). - * 30-July: special macro for access to dynamic binding. - * s7_symbol_special_value for C-side access to dynamic bindings. - * s7_is_macro. - * port-closed? returns #t if its argument (a port) is closed. - * 22-July: s7_make_character takes uint32_t, rather than int. - * added symbol function for funny symbol names. - * 12-July: initial-environment. - * 7-July: removed force and delay: use slib. - * 3-July: new backquote implementation. - * 28-June: syntactic keywords (e.g. lambda) are applicable. - * 7-June: changed key arg in s7_hash_table_ref|set to be s7_pointer, not const char*. - * hash-tables can now handle any s7 object as the key. - * map and for-each now pass a hash-table entry to the function, rather than an internal alist. - * reverse of a hash-table reverses the keys and values (i.e. old value becomes new key, etc). - * 2-June: removed procedure-with-setter-setter-arity and folded that info into procedure-arity (use cdddr). - * 22-May: multidimensional vectors are no longer optional. - * 9-May: s7_read_char and s7_peek_char have to return an int, not a char (<eof>=-1, but 255 is a legit char). - * s7_write_char and s7_open_output_function have similar changes. - * 3-May: *#readers* to customize #... reading. Also nan? and infinite?. - * multidimensional vector constants using #nD(...): (#2D((1 2 3) (4 5 6)) 0 0) -> 1. - * 13-Apr: removed hash-table|vector|string-for-each -- these are handled by for-each. - * also removed vector-map -- map is generic, but always returns a list. - * 12-Apr: removed immutable constant checks -- see s7.html. - * 7-Apr: *unbound-variable-hook*. - * augment-environment and s7_augment_environment. - * 29-Mar: symbol-access, s7_symbol_access, s7_symbol_set_access. - * C example of notification in s7.html. - * 25-Mar: make-type. s7_is_equal now includes an s7_scheme pointer as its first argument. - * 24-Mar: s7_is_defined. - * 19-Mar: removed encapsulation mechanism and s7_define_set_function. - * 18-Mar: added macro?. - * 27-Feb: removed r4rs-style macro syntax. - * 17-Feb: s7_number_to_integer. - * 20-Jan-10: removed the stack function. - * -------- - * 16-Dec: hash-table-for-each. - * 1-Dec: mpc versions before 0.8.0 are no longer supported. - * 24-Nov: define-macro* and defmacro*. - * force and delay included only if WITH_FORCE set, promise? removed. - * 17-Nov: s7_is_boolean no longer takes the s7_scheme argument. - * 7-Nov: s7_vector_dimensions, s7_vector_offsets, example of use. - * 3-Nov: s7_vector_rank. - * 30-Oct: *trace-hook*. - * 12-Oct: s7_port_filename. - * 5-Oct: s7_c_pointer and friends. - * 14-Sep: s7_values, s7_make_continuation, and a better interrupt example. - * vector-for-each, vector-map, string-for-each. - * 7-Sep: s7_open_input_function. with-environment. receive. - * 3-Sep: s7.html, s7-slib-init.scm. - * s7_stacktrace in s7.h. - * 27-Aug: vector and hash-table sizes are now s7_ints, rather than ints. - * 20-Aug: s7_remove_from_heap. - * 17-Aug: *error-info*. - * 7-Aug: s7_define_function_with_setter. - * s7_quit and example of signal handling. - * 6-Aug: encapsulation. s7_define_set_function. s7_new_type_x. - * generic function: copy, and length is generic. - * 1-Aug: lower-case versions of s7_T and friends. - * s7_define_macro. macroexpand. - * strings are set-applicable (like vectors). - * 31-Jul: *error-hook*. - * 30-Jul: changed backtrace handling: removed backtrace stuff, added stacktrace. - * removed gc-verbose and load-verbose replaced by *load-hook*. - * 23-Jul: __func__. - * 20-Jul: trace and untrace. - * 14-Jul: replaced s7_make_closure_star with s7_define_function_star. - * 29-Jun: s7_format declaration. - * 12-May: s7_is_constant. - * 20-Apr: changed rationalize to be both r5rs-acceptable and fast. - * 6-Apr: added s7_make_permanent_string. - * 14-Mar: removed s7_local_gc_protect and s7_local_gc_unprotect. - * 4-Mar: multidimensional and applicable vectors. - * 1-Mar: s7_random added to s7.h. - * 29-Jan: s7_is_bignum and friends. - * 26-Jan: added s7_scheme arg to s7_vector_fill. - * 16-Jan: s7_is_ulong_long and friends for C pointers in 64-bit situations. - * 9-Jan-09 multiprecision arithmetic (gmp, mpfr, mpc) on the WITH_GMP switch - * -------- - * 29-Dec: "+" specialization example, s7_apply_function. - * 3-Dec: s7_open_output_function. - * 30-Nov: s7_wrong_number_of_args_error. - * 24-Nov: changed s7_make_counted_string to s7_make_string_with_length. - * also added built-in format and define* - * 10-Nov: s7_define_constant, - * built-in (scheme-side) pi, most-positive-fixnum, most-negative-fixnum - * 7-Nov: removed s7_is_immutable and friends, s7_reverse_in_place. - * removed the s7_pointer arg to s7_gc_on. - * added s7_UNSPECIFIED - * 25-Oct: added name arg to s7_make_procedure_with_setter, - * and s7_scheme arg to new_type print func. - * 1-Oct-08 version 1.0 - */ - - -#ifdef __cplusplus -} -#endif - -#endif |