#include <stdint.h>
#include <string.h>
#include <stdbool.h>
+#include <ao_scheme_os.h>
#define AO_SCHEME_BUILTIN_FEATURES
#include "ao_scheme_builtin.h"
#undef AO_SCHEME_BUILTIN_FEATURES
-#include <ao_scheme_os.h>
#ifndef __BYTE_ORDER
#include <endian.h>
#endif
typedef uint16_t ao_poly;
typedef int16_t ao_signed_poly;
-#if AO_SCHEME_SAVE
+#ifdef AO_SCHEME_MAKE_CONST
+#define AO_SCHEME_POOL_CONST 32764
+extern uint8_t ao_scheme_const[AO_SCHEME_POOL_CONST] __attribute__((aligned(4)));
+#define ao_scheme_pool ao_scheme_const
+#define AO_SCHEME_POOL AO_SCHEME_POOL_CONST
+
+#define _atom(n) ao_scheme_atom_poly(ao_scheme_atom_intern((char *) n))
+#define _bool(v) ao_scheme_bool_poly(ao_scheme_bool_get(v))
+
+#define _ao_scheme_bool_true _bool(1)
+#define _ao_scheme_bool_false _bool(0)
+
+#define _ao_scheme_atom_eof _atom("eof")
+#define _ao_scheme_atom_else _atom("else")
+
+#define AO_SCHEME_BUILTIN_ATOMS
+#include "ao_scheme_builtin.h"
+
+#else
+
+#include "ao_scheme_const.h"
+
+#ifdef AO_SCHEME_FEATURE_SAVE
struct ao_scheme_os_save {
ao_poly atoms;
};
#ifndef AO_SCHEME_POOL_TOTAL
-#error Must define AO_SCHEME_POOL_TOTAL for AO_SCHEME_SAVE
+#error Must define AO_SCHEME_POOL_TOTAL for AO_SCHEME_FEATURE_SAVE
#endif
#define AO_SCHEME_POOL_EXTRA (sizeof(struct ao_scheme_os_save))
int
ao_scheme_os_restore(void);
+#endif /* AO_SCHEME_FEATURE_SAVE */
-#endif
-
-#ifdef AO_SCHEME_MAKE_CONST
-#define AO_SCHEME_POOL_CONST 32764
-extern uint8_t ao_scheme_const[AO_SCHEME_POOL_CONST] __attribute__((aligned(4)));
-#define ao_scheme_pool ao_scheme_const
-#define AO_SCHEME_POOL AO_SCHEME_POOL_CONST
-
-#define _atom(n) ao_scheme_atom_poly(ao_scheme_atom_intern((char *) n))
-#define _bool(v) ao_scheme_bool_poly(ao_scheme_bool_get(v))
-
-#define _ao_scheme_bool_true _bool(1)
-#define _ao_scheme_bool_false _bool(0)
-
-#define _ao_scheme_atom_eof _atom("eof")
-#define _ao_scheme_atom_else _atom("else")
-
-#define AO_SCHEME_BUILTIN_ATOMS
-#include "ao_scheme_builtin.h"
-
-#else
-#include "ao_scheme_const.h"
#ifndef AO_SCHEME_POOL
#error Must define AO_SCHEME_POOL
#endif
#else
#define _AO_SCHEME_VECTOR _AO_SCHEME_FLOAT
#endif
-#define AO_SCHEME_NUM_TYPE (_AO_SCHEME_VECTOR+1)
+#ifdef AO_SCHEME_FEATURE_PORT
+#define AO_SCHEME_PORT 14
+#define _AO_SCHEME_PORT AO_SCHEME_PORT
+#else
+#define _AO_SCHEME_PORT _AO_SCHEME_VECTOR
+#endif
+#define AO_SCHEME_NUM_TYPE (_AO_SCHEME_PORT+1)
/* Leave two bits for types to use as they please */
#define AO_SCHEME_OTHER_TYPE_MASK 0x3f
#define AO_SCHEME_UNDEFINED 0x08
#define AO_SCHEME_REDEFINED 0x10
#define AO_SCHEME_EOF 0x20
-#define AO_SCHEME_EXIT 0x40
+#define AO_SCHEME_FILEERROR 0x40
+#define AO_SCHEME_EXIT 0x80
extern uint8_t ao_scheme_exception;
};
#endif
+#ifdef AO_SCHEME_FEATURE_PORT
+struct ao_scheme_port {
+ uint8_t type;
+ uint8_t stayopen;
+ ao_poly next;
+ FILE *file;
+};
+#endif
+
#define AO_SCHEME_MIN_INT (-(1 << (15 - AO_SCHEME_TYPE_SHIFT)))
#define AO_SCHEME_MAX_INT ((1 << (15 - AO_SCHEME_TYPE_SHIFT)) - 1)
}
#endif
+#ifdef AO_SCHEME_FEATURE_PORT
+static inline ao_poly
+ao_scheme_port_poly(struct ao_scheme_port *v)
+{
+ return ao_scheme_poly(v, AO_SCHEME_OTHER);
+}
+
+static inline struct ao_scheme_port *
+ao_scheme_poly_port(ao_poly poly)
+{
+ return ao_scheme_ref(poly);
+}
+
+extern ao_poly ao_scheme_stdin, ao_scheme_stdout, ao_scheme_stderr;
+
+#endif
+
/* memory functions */
extern uint64_t ao_scheme_collects[2];
int
ao_scheme_mark_memory(const struct ao_scheme_type *type, void *addr);
+/* returns 1 if the object is marked */
+int
+ao_scheme_marked(void *addr);
+
/* returns 1 if the object was already moved */
int
ao_scheme_move_memory(const struct ao_scheme_type *type, void **ref);
}
#endif
+#ifdef AO_SCHEME_FEATURE_PORT
+static inline void
+ao_scheme_port_stash(struct ao_scheme_port *port) {
+ ao_scheme_poly_stash(ao_scheme_port_poly(port));
+}
+
+static inline struct ao_scheme_port *
+ao_scheme_port_fetch(void) {
+ return ao_scheme_poly_port(ao_scheme_poly_fetch());
+}
+#endif
+
static inline void
ao_scheme_stack_stash(struct ao_scheme_stack *stack) {
ao_scheme_poly_stash(ao_scheme_stack_poly(stack));
extern const struct ao_scheme_type ao_scheme_bool_type;
void
-ao_scheme_bool_write(ao_poly v, bool write);
+ao_scheme_bool_write(FILE *out, ao_poly v, bool write);
#ifdef AO_SCHEME_MAKE_CONST
extern struct ao_scheme_bool *ao_scheme_true, *ao_scheme_false;
ao_scheme_cons_free(struct ao_scheme_cons *cons);
void
-ao_scheme_cons_write(ao_poly, bool write);
+ao_scheme_cons_write(FILE *out, ao_poly, bool write);
int
ao_scheme_cons_length(struct ao_scheme_cons *cons);
-struct ao_scheme_cons *
-ao_scheme_cons_copy(struct ao_scheme_cons *cons);
-
/* string */
extern const struct ao_scheme_type ao_scheme_string_type;
-struct ao_scheme_string *
-ao_scheme_string_copy(struct ao_scheme_string *a);
-
struct ao_scheme_string *
ao_scheme_string_new(char *a);
-struct ao_scheme_string *
-ao_scheme_make_string(int32_t len, char fill);
-
struct ao_scheme_string *
ao_scheme_atom_to_string(struct ao_scheme_atom *a);
struct ao_scheme_string *
ao_scheme_string_cat(struct ao_scheme_string *a, struct ao_scheme_string *b);
-ao_poly
-ao_scheme_string_pack(struct ao_scheme_cons *cons);
-
-ao_poly
-ao_scheme_string_unpack(struct ao_scheme_string *a);
-
void
-ao_scheme_string_write(ao_poly s, bool write);
+ao_scheme_string_write(FILE *out, ao_poly s, bool write);
/* atom */
extern const struct ao_scheme_type ao_scheme_atom_type;
extern struct ao_scheme_frame *ao_scheme_frame_current;
void
-ao_scheme_atom_write(ao_poly a, bool write);
+ao_scheme_atom_write(FILE *out, ao_poly a, bool write);
struct ao_scheme_atom *
ao_scheme_string_to_atom(struct ao_scheme_string *string);
struct ao_scheme_atom *
ao_scheme_atom_intern(char *name);
+void
+ao_scheme_atom_check_references(void);
+
+void
+ao_scheme_atom_move(void);
+
ao_poly *
ao_scheme_atom_ref(ao_poly atom, struct ao_scheme_frame **frame_ref);
ao_poly
ao_scheme_atom_get(ao_poly atom);
-ao_poly
-ao_scheme_atom_set(ao_poly atom, ao_poly val);
-
ao_poly
ao_scheme_atom_def(ao_poly atom, ao_poly val);
/* int */
void
-ao_scheme_int_write(ao_poly i, bool write);
+ao_scheme_int_write(FILE *out, ao_poly i, bool write);
#ifdef AO_SCHEME_FEATURE_BIGINT
int32_t
-ao_scheme_poly_integer(ao_poly p, bool *fail);
+ao_scheme_poly_integer(ao_poly p);
ao_poly
ao_scheme_integer_poly(int32_t i);
}
void
-ao_scheme_bigint_write(ao_poly i, bool write);
+ao_scheme_bigint_write(FILE *out, ao_poly i, bool write);
extern const struct ao_scheme_type ao_scheme_bigint_type;
#else
-#define ao_scheme_poly_integer(a,b) ao_scheme_poly_int(a)
-#define ao_scheme_integer_poly ao_scheme_int_poly
+static inline int32_t ao_scheme_poly_integer(ao_poly poly) {
+ return ao_scheme_poly_int(poly);
+}
+
+static inline ao_poly ao_scheme_integer_poly(int32_t i) {
+ return ao_scheme_int_poly(i);
+}
static inline int
ao_scheme_integer_typep(uint8_t t)
/* vector */
+#ifdef AO_SCHEME_FEATURE_VECTOR
+
void
-ao_scheme_vector_write(ao_poly v, bool write);
+ao_scheme_vector_write(FILE *OUT, ao_poly v, bool write);
struct ao_scheme_vector *
ao_scheme_vector_alloc(uint16_t length, ao_poly fill);
-ao_poly
-ao_scheme_vector_get(ao_poly v, ao_poly i);
-
-ao_poly
-ao_scheme_vector_set(ao_poly v, ao_poly i, ao_poly p);
-
struct ao_scheme_vector *
ao_scheme_list_to_vector(struct ao_scheme_cons *cons);
extern const struct ao_scheme_type ao_scheme_vector_type;
+#endif /* AO_SCHEME_FEATURE_VECTOR */
+
+/* port */
+
+#ifdef AO_SCHEME_FEATURE_PORT
+
+void
+ao_scheme_port_write(FILE *out, ao_poly v, bool write);
+
+struct ao_scheme_port *
+ao_scheme_port_alloc(FILE *file, bool stayopen);
+
+void
+ao_scheme_port_close(struct ao_scheme_port *port);
+
+void
+ao_scheme_port_check_references(void);
+
+extern ao_poly ao_scheme_open_ports;
+
+static inline int
+ao_scheme_port_getc(struct ao_scheme_port *port)
+{
+ if (port->file)
+ return getc(port->file);
+ return EOF;
+}
+
+static inline int
+ao_scheme_port_putc(struct ao_scheme_port *port, char c)
+{
+ if (port->file)
+ return putc(c, port->file);
+ return EOF;
+}
+
+static inline int
+ao_scheme_port_ungetc(struct ao_scheme_port *port, char c)
+{
+ if (port->file)
+ return ungetc(c, port->file);
+ return EOF;
+}
+
+extern const struct ao_scheme_type ao_scheme_port_type;
+
+#endif /* AO_SCHEME_FEATURE_PORT */
+
+#ifdef AO_SCHEME_FEATURE_POSIX
+
+void
+ao_scheme_set_argv(char **argv);
+
+#endif
+
/* prim */
-void (*ao_scheme_poly_write_func(ao_poly p))(ao_poly p, bool write);
+void (*ao_scheme_poly_write_func(ao_poly p))(FILE *out, ao_poly p, bool write);
static inline void
-ao_scheme_poly_write(ao_poly p, bool write) { (*ao_scheme_poly_write_func(p))(p, write); }
+ao_scheme_poly_write(FILE *out, ao_poly p, bool write) { (*ao_scheme_poly_write_func(p))(out, p, write); }
int
ao_scheme_poly_mark(ao_poly p, uint8_t note_cons);
/* eval */
+#ifdef AO_SCHEME_FEATURE_SAVE
void
ao_scheme_eval_clear_globals(void);
int
ao_scheme_eval_restart(void);
+#endif
ao_poly
ao_scheme_eval(ao_poly p);
extern const struct ao_scheme_type ao_scheme_float_type;
void
-ao_scheme_float_write(ao_poly p, bool write);
+ao_scheme_float_write(FILE *out, ao_poly p, bool write);
ao_poly
ao_scheme_float_get(float value);
#endif
#ifdef AO_SCHEME_FEATURE_FLOAT
-static inline uint8_t
+static inline bool
ao_scheme_number_typep(uint8_t t)
{
return ao_scheme_integer_typep(t) || (t == AO_SCHEME_FLOAT);
#define ao_scheme_number_typep ao_scheme_integer_typep
#endif
+static inline bool
+ao_scheme_is_integer(ao_poly poly) {
+ return ao_scheme_integer_typep(ao_scheme_poly_base_type(poly));
+}
+
+static inline bool
+ao_scheme_is_number(ao_poly poly) {
+ return ao_scheme_number_typep(ao_scheme_poly_type(poly));
+}
+
/* builtin */
void
-ao_scheme_builtin_write(ao_poly b, bool write);
+ao_scheme_builtin_write(FILE *out, ao_poly b, bool write);
+
+ao_poly
+ao_scheme_do_typep(ao_poly proc, int type, struct ao_scheme_cons *cons);
extern const struct ao_scheme_type ao_scheme_builtin_type;
+#define AO_SCHEME_ARG_OPTIONAL 0x100
+#define AO_SCHEME_ARG_NIL_OK 0x200
+#define AO_SCHEME_ARG_RET_POLY 0x400
+#define AO_SCHEME_ARG_END -1
+#define AO_SCHEME_POLY 0xff
+#define AO_SCHEME_ARG_MASK 0xff
+
+int
+ao_scheme_parse_args(ao_poly name, struct ao_scheme_cons *cons, ...);
+
/* Check argument count */
ao_poly
ao_scheme_check_argc(ao_poly name, struct ao_scheme_cons *cons, int min, int max);
extern struct ao_scheme_cons *ao_scheme_read_stack;
ao_poly
-ao_scheme_read(void);
+ao_scheme_read(FILE *in);
/* rep */
ao_poly
-ao_scheme_read_eval_print(void);
+ao_scheme_read_eval_print(FILE *read_file, FILE *write_file, bool interactive);
/* frame */
extern const struct ao_scheme_type ao_scheme_frame_type;
ao_poly
ao_scheme_frame_add(struct ao_scheme_frame *frame, ao_poly atom, ao_poly val);
+#ifdef AO_SCHEME_FEATURE_UNDEF
+ao_poly
+ao_scheme_frame_del(struct ao_scheme_frame *frame, ao_poly atom);
+#endif
+
void
-ao_scheme_frame_write(ao_poly p, bool write);
+ao_scheme_frame_write(FILE *out, ao_poly p, bool write);
void
ao_scheme_frame_init(void);
ao_scheme_lambda_new(ao_poly cons);
void
-ao_scheme_lambda_write(ao_poly lambda, bool write);
+ao_scheme_lambda_write(FILE *out, ao_poly lambda, bool write);
ao_poly
ao_scheme_lambda_eval(void);
ao_scheme_stack_pop(void);
void
-ao_scheme_stack_clear(void);
-
-void
-ao_scheme_stack_write(ao_poly stack, bool write);
+ao_scheme_stack_write(FILE *out, ao_poly stack, bool write);
ao_poly
ao_scheme_stack_eval(void);
/* error */
void
-ao_scheme_vprintf(const char *format, va_list args);
+ao_scheme_vfprintf(FILE *out, const char *format, va_list args);
void
-ao_scheme_printf(const char *format, ...);
+ao_scheme_fprintf(FILE *out, const char *format, ...);
ao_poly
ao_scheme_error(int error, const char *format, ...);
#define DBG_IN() (++ao_scheme_stack_depth)
#define DBG_OUT() (--ao_scheme_stack_depth)
#define DBG_RESET() (ao_scheme_stack_depth = 0)
-#define DBG(...) ao_scheme_printf(__VA_ARGS__)
+#define DBG(...) ao_scheme_fprintf(stdout, __VA_ARGS__)
#define DBGI(...) do { printf("%4d: ", __LINE__); DBG_INDENT(); DBG(__VA_ARGS__); } while (0)
-#define DBG_CONS(a) ao_scheme_cons_write(ao_scheme_cons_poly(a), true)
-#define DBG_POLY(a) ao_scheme_poly_write(a, true)
+#define DBG_CONS(a) ao_scheme_cons_write(stdout, ao_scheme_cons_poly(a), true)
+#define DBG_POLY(a) ao_scheme_poly_write(stdout, a, true)
#define OFFSET(a) ((a) ? (int) ((uint8_t *) a - ao_scheme_pool) : -1)
-#define DBG_STACK() ao_scheme_stack_write(ao_scheme_stack_poly(ao_scheme_stack), true)
+#define DBG_STACK() ao_scheme_stack_write(stdout, ao_scheme_stack_poly(ao_scheme_stack), true)
static inline void
ao_scheme_frames_dump(void)
{
#define MDBG_MOVE(...) do { if (dbg_mem) { int d; for (d = 0; d < dbg_move_depth; d++) printf (" "); printf(__VA_ARGS__); } } while (0)
#define MDBG_MORE(...) do { if (dbg_mem) printf(__VA_ARGS__); } while (0)
#define MDBG_MOVE_IN() (dbg_move_depth++)
-#define MDBG_MOVE_OUT() (assert(--dbg_move_depth >= 0))
+#define MDBG_MOVE_OUT() (--dbg_move_depth)
#else
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