#ifndef _AO_SCHEME_H_
#define _AO_SCHEME_H_
+#ifndef DBG_MEM
#define DBG_MEM 0
+#endif
+#ifndef DBG_EVAL
#define DBG_EVAL 0
+#endif
+#ifndef DBG_READ
#define DBG_READ 0
+#endif
+#ifndef DBG_FREE_CONS
#define DBG_FREE_CONS 0
+#endif
#define NDEBUG 1
#include <stdint.h>
#include <string.h>
+#include <stdbool.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>
typedef uint16_t ao_poly;
typedef int16_t ao_signed_poly;
-#ifdef AO_SCHEME_SAVE
+#if AO_SCHEME_SAVE
struct ao_scheme_os_save {
ao_poly atoms;
uint16_t const_checksum_inv;
};
+#ifndef AO_SCHEME_POOL_TOTAL
+#error Must define AO_SCHEME_POOL_TOTAL for AO_SCHEME_SAVE
+#endif
+
#define AO_SCHEME_POOL_EXTRA (sizeof(struct ao_scheme_os_save))
#define AO_SCHEME_POOL ((int) (AO_SCHEME_POOL_TOTAL - AO_SCHEME_POOL_EXTRA))
#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(n))
+#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)
#else
#include "ao_scheme_const.h"
#ifndef AO_SCHEME_POOL
-#define AO_SCHEME_POOL 3072
+#error Must define AO_SCHEME_POOL
+#endif
+#ifndef AO_SCHEME_POOL_EXTRA
+#define AO_SCHEME_POOL_EXTRA 0
#endif
extern uint8_t ao_scheme_pool[AO_SCHEME_POOL + AO_SCHEME_POOL_EXTRA] __attribute__((aligned(4)));
#endif
/* Primitive types */
#define AO_SCHEME_CONS 0
#define AO_SCHEME_INT 1
-#define AO_SCHEME_STRING 2
+#define AO_SCHEME_BIGINT 2
#define AO_SCHEME_OTHER 3
#define AO_SCHEME_TYPE_MASK 0x0003
#define AO_SCHEME_LAMBDA 8
#define AO_SCHEME_STACK 9
#define AO_SCHEME_BOOL 10
-#define AO_SCHEME_BIGINT 11
+#define AO_SCHEME_STRING 11
+#ifdef AO_SCHEME_FEATURE_FLOAT
#define AO_SCHEME_FLOAT 12
-#define AO_SCHEME_NUM_TYPE 13
+#define _AO_SCHEME_FLOAT AO_SCHEME_FLOAT
+#else
+#define _AO_SCHEME_FLOAT 12
+#endif
+#ifdef AO_SCHEME_FEATURE_VECTOR
+#define AO_SCHEME_VECTOR 13
+#define _AO_SCHEME_VECTOR AO_SCHEME_VECTOR
+#else
+#define _AO_SCHEME_VECTOR _AO_SCHEME_FLOAT
+#endif
+#define AO_SCHEME_NUM_TYPE (_AO_SCHEME_VECTOR+1)
/* Leave two bits for types to use as they please */
#define AO_SCHEME_OTHER_TYPE_MASK 0x3f
#define AO_SCHEME_IS_CONST(a) (ao_scheme_const <= ((uint8_t *) (a)) && ((uint8_t *) (a)) < ao_scheme_const + AO_SCHEME_POOL_CONST)
#define AO_SCHEME_IS_POOL(a) (ao_scheme_pool <= ((uint8_t *) (a)) && ((uint8_t *) (a)) < ao_scheme_pool + AO_SCHEME_POOL)
#define AO_SCHEME_IS_INT(p) (ao_scheme_poly_base_type(p) == AO_SCHEME_INT)
+#define AO_SCHEME_IS_CONS(p) (ao_scheme_poly_base_type(p) == AO_SCHEME_CONS)
void *
ao_scheme_ref(ao_poly poly);
char name[];
};
+struct ao_scheme_string {
+ uint8_t type;
+ char val[];
+};
+
struct ao_scheme_val {
ao_poly atom;
ao_poly val;
uint16_t pad;
};
-struct ao_scheme_bigint {
- uint32_t value;
-};
+#ifdef AO_SCHEME_FEATURE_FLOAT
struct ao_scheme_float {
uint8_t type;
uint8_t pad1;
uint16_t pad2;
float value;
};
+#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-static inline uint32_t
-ao_scheme_int_bigint(int32_t i) {
- return AO_SCHEME_BIGINT | (i << 8);
-}
-static inline int32_t
-ao_scheme_bigint_int(uint32_t bi) {
- return (int32_t) bi >> 8;
-}
-#else
-static inline uint32_t
-ao_scheme_int_bigint(int32_t i) {
- return (uint32_t) (i & 0xffffff) | (AO_SCHEME_BIGINT << 24);
-}
-static inlint int32_t
-ao_scheme_bigint_int(uint32_t bi) {
- return (int32_t) (bi << 8) >> 8;
-}
+#ifdef AO_SCHEME_FEATURE_VECTOR
+struct ao_scheme_vector {
+ uint8_t type;
+ uint8_t pad1;
+ uint16_t length;
+ ao_poly vals[];
+};
#endif
#define AO_SCHEME_MIN_INT (-(1 << (15 - AO_SCHEME_TYPE_SHIFT)))
#define AO_SCHEME_MAX_INT ((1 << (15 - AO_SCHEME_TYPE_SHIFT)) - 1)
-#define AO_SCHEME_MIN_BIGINT (-(1 << 24))
-#define AO_SCHEME_MAX_BIGINT ((1 << 24) - 1)
-#define AO_SCHEME_NOT_INTEGER 0x7fffffff
+#ifdef AO_SCHEME_FEATURE_BIGINT
+
+struct ao_scheme_bigint {
+ uint32_t value;
+};
+
+#define AO_SCHEME_MIN_BIGINT INT32_MIN
+#define AO_SCHEME_MAX_BIGINT INT32_MAX
+
+#endif /* AO_SCHEME_FEATURE_BIGINT */
/* Set on type when the frame escapes the lambda */
#define AO_SCHEME_FRAME_MARK 0x80
-#define AO_SCHEME_FRAME_PRINT 0x40
static inline int ao_scheme_frame_marked(struct ao_scheme_frame *f) {
return f->type & AO_SCHEME_FRAME_MARK;
};
#define AO_SCHEME_STACK_MARK 0x80 /* set on type when a reference has been taken */
-#define AO_SCHEME_STACK_PRINT 0x40 /* stack is being printed */
static inline int ao_scheme_stack_marked(struct ao_scheme_stack *s) {
return s->type & AO_SCHEME_STACK_MARK;
return ((ao_poly) i << 2) | AO_SCHEME_INT;
}
+#ifdef AO_SCHEME_FEATURE_BIGINT
static inline struct ao_scheme_bigint *
ao_scheme_poly_bigint(ao_poly poly)
{
static inline ao_poly
ao_scheme_bigint_poly(struct ao_scheme_bigint *bi)
{
- return ao_scheme_poly(bi, AO_SCHEME_OTHER);
+ return ao_scheme_poly(bi, AO_SCHEME_BIGINT);
}
+#endif /* AO_SCHEME_FEATURE_BIGINT */
-static inline char *
+static inline struct ao_scheme_string *
ao_scheme_poly_string(ao_poly poly)
{
return ao_scheme_ref(poly);
}
static inline ao_poly
-ao_scheme_string_poly(char *s)
+ao_scheme_string_poly(struct ao_scheme_string *s)
{
- return ao_scheme_poly(s, AO_SCHEME_STRING);
+ return ao_scheme_poly(s, AO_SCHEME_OTHER);
}
static inline struct ao_scheme_atom *
return ao_scheme_ref(poly);
}
+#ifdef AO_SCHEME_FEATURE_FLOAT
static inline ao_poly
ao_scheme_float_poly(struct ao_scheme_float *f)
{
float
ao_scheme_poly_number(ao_poly p);
+#endif
-/* memory functions */
+#ifdef AO_SCHEME_FEATURE_VECTOR
+static inline ao_poly
+ao_scheme_vector_poly(struct ao_scheme_vector *v)
+{
+ return ao_scheme_poly(v, AO_SCHEME_OTHER);
+}
-extern int ao_scheme_collects[2];
-extern int ao_scheme_freed[2];
-extern int ao_scheme_loops[2];
+static inline struct ao_scheme_vector *
+ao_scheme_poly_vector(ao_poly poly)
+{
+ return ao_scheme_ref(poly);
+}
+#endif
-/* returns 1 if the object was already marked */
-int
-ao_scheme_mark(const struct ao_scheme_type *type, void *addr);
+/* memory functions */
+
+extern uint64_t ao_scheme_collects[2];
+extern uint64_t ao_scheme_freed[2];
+extern uint64_t ao_scheme_loops[2];
/* returns 1 if the object was already marked */
int
ao_scheme_mark_memory(const struct ao_scheme_type *type, void *addr);
-void *
-ao_scheme_move_map(void *addr);
-
-/* returns 1 if the object was already moved */
-int
-ao_scheme_move(const struct ao_scheme_type *type, void **ref);
-
/* returns 1 if the object was already moved */
int
ao_scheme_move_memory(const struct ao_scheme_type *type, void **ref);
void *
ao_scheme_alloc(int size);
+/* Marks an object as being printed, returns 1 if it was already marked */
+int
+ao_scheme_print_mark_addr(void *addr);
+
+void
+ao_scheme_print_clear_addr(void *addr);
+
+/* Notes that printing has started */
+void
+ao_scheme_print_start(void);
+
+/* Notes that printing has ended, returns 1 if printing is still happening */
+int
+ao_scheme_print_stop(void);
+
#define AO_SCHEME_COLLECT_FULL 1
#define AO_SCHEME_COLLECT_INCREMENTAL 0
ao_scheme_poly_fetch(int id);
void
-ao_scheme_string_stash(int id, char *string);
+ao_scheme_string_stash(int id, struct ao_scheme_string *string);
-char *
+struct ao_scheme_string *
ao_scheme_string_fetch(int id);
static inline void
extern const struct ao_scheme_type ao_scheme_bool_type;
void
-ao_scheme_bool_write(ao_poly v);
+ao_scheme_bool_write(ao_poly v, bool write);
#ifdef AO_SCHEME_MAKE_CONST
-struct ao_scheme_bool *ao_scheme_true, *ao_scheme_false;
+extern struct ao_scheme_bool *ao_scheme_true, *ao_scheme_false;
struct ao_scheme_bool *
ao_scheme_bool_get(uint8_t value);
ao_scheme_cons_cdr(struct ao_scheme_cons *cons);
ao_poly
-ao_scheme__cons(ao_poly car, ao_poly cdr);
+ao_scheme_cons(ao_poly car, ao_poly cdr);
extern struct ao_scheme_cons *ao_scheme_cons_free_list;
ao_scheme_cons_free(struct ao_scheme_cons *cons);
void
-ao_scheme_cons_write(ao_poly);
-
-void
-ao_scheme_cons_display(ao_poly);
+ao_scheme_cons_write(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;
-char *
-ao_scheme_string_copy(char *a);
+struct ao_scheme_string *
+ao_scheme_string_copy(struct ao_scheme_string *a);
-char *
-ao_scheme_string_cat(char *a, char *b);
+struct ao_scheme_string *
+ao_scheme_string_make(char *a);
+
+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(char *a);
+ao_scheme_string_unpack(struct ao_scheme_string *a);
void
-ao_scheme_string_write(ao_poly s);
-
-void
-ao_scheme_string_display(ao_poly s);
+ao_scheme_string_write(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);
+ao_scheme_atom_write(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);
/* int */
void
-ao_scheme_int_write(ao_poly i);
+ao_scheme_int_write(ao_poly i, bool write);
+#ifdef AO_SCHEME_FEATURE_BIGINT
int32_t
-ao_scheme_poly_integer(ao_poly p);
+ao_scheme_poly_integer(ao_poly p, bool *fail);
ao_poly
ao_scheme_integer_poly(int32_t i);
}
void
-ao_scheme_bigint_write(ao_poly i);
+ao_scheme_bigint_write(ao_poly i, bool write);
extern const struct ao_scheme_type ao_scheme_bigint_type;
-/* prim */
-void
-ao_scheme_poly_write(ao_poly p);
+
+#else
+
+#define ao_scheme_poly_integer(a,b) ao_scheme_poly_int(a)
+#define ao_scheme_integer_poly ao_scheme_int_poly
+
+static inline int
+ao_scheme_integer_typep(uint8_t t)
+{
+ return (t == AO_SCHEME_INT);
+}
+
+#endif /* AO_SCHEME_FEATURE_BIGINT */
+
+/* vector */
void
-ao_scheme_poly_display(ao_poly p);
+ao_scheme_vector_write(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);
+
+struct ao_scheme_cons *
+ao_scheme_vector_to_list(struct ao_scheme_vector *vector);
+
+extern const struct ao_scheme_type ao_scheme_vector_type;
+
+/* prim */
+void (*ao_scheme_poly_write_func(ao_poly p))(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); }
int
ao_scheme_poly_mark(ao_poly p, uint8_t note_cons);
ao_scheme_set_cond(struct ao_scheme_cons *cons);
/* float */
+#ifdef AO_SCHEME_FEATURE_FLOAT
extern const struct ao_scheme_type ao_scheme_float_type;
void
-ao_scheme_float_write(ao_poly p);
+ao_scheme_float_write(ao_poly p, bool write);
ao_poly
ao_scheme_float_get(float value);
+#endif
+#ifdef AO_SCHEME_FEATURE_FLOAT
static inline uint8_t
ao_scheme_number_typep(uint8_t t)
{
return ao_scheme_integer_typep(t) || (t == AO_SCHEME_FLOAT);
}
-
-float
-ao_scheme_poly_number(ao_poly p);
+#else
+#define ao_scheme_number_typep ao_scheme_integer_typep
+#endif
/* builtin */
void
-ao_scheme_builtin_write(ao_poly b);
+ao_scheme_builtin_write(ao_poly b, bool write);
extern const struct ao_scheme_type ao_scheme_builtin_type;
ao_scheme_args_name(uint8_t args);
/* read */
+extern int ao_scheme_read_list;
extern struct ao_scheme_cons *ao_scheme_read_cons;
extern struct ao_scheme_cons *ao_scheme_read_cons_tail;
extern struct ao_scheme_cons *ao_scheme_read_stack;
ao_scheme_frame_add(struct ao_scheme_frame *frame, ao_poly atom, ao_poly val);
void
-ao_scheme_frame_write(ao_poly p);
+ao_scheme_frame_write(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);
+ao_scheme_lambda_write(ao_poly lambda, bool write);
ao_poly
ao_scheme_lambda_eval(void);
extern struct ao_scheme_stack *ao_scheme_stack;
extern struct ao_scheme_stack *ao_scheme_stack_free_list;
+extern int ao_scheme_frame_print_indent;
+
void
ao_scheme_stack_reset(struct ao_scheme_stack *stack);
ao_scheme_stack_clear(void);
void
-ao_scheme_stack_write(ao_poly stack);
+ao_scheme_stack_write(ao_poly stack, bool write);
ao_poly
ao_scheme_stack_eval(void);
/* error */
void
-ao_scheme_vprintf(char *format, va_list args);
-
-void
-ao_scheme_printf(char *format, ...);
+ao_scheme_vprintf(const char *format, va_list args);
void
-ao_scheme_error_poly(char *name, ao_poly poly, ao_poly last);
-
-void
-ao_scheme_error_frame(int indent, char *name, struct ao_scheme_frame *frame);
+ao_scheme_printf(const char *format, ...);
ao_poly
-ao_scheme_error(int error, char *format, ...);
+ao_scheme_error(int error, const char *format, ...);
/* builtins */
/* debugging macros */
-#if DBG_EVAL || DBG_READ || DBG_MEM
-#define DBG_CODE 1
+#if DBG_EVAL || DBG_READ
int ao_scheme_stack_depth;
+#endif
+
+#if DBG_EVAL
#define DBG_DO(a) a
#define DBG_INDENT() do { int _s; for(_s = 0; _s < ao_scheme_stack_depth; _s++) printf(" "); } while(0)
#define DBG_IN() (++ao_scheme_stack_depth)
#define DBG_RESET() (ao_scheme_stack_depth = 0)
#define DBG(...) ao_scheme_printf(__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))
-#define DBG_POLY(a) ao_scheme_poly_write(a)
+#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 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))
+#define DBG_STACK() ao_scheme_stack_write(ao_scheme_stack_poly(ao_scheme_stack), true)
static inline void
ao_scheme_frames_dump(void)
{
#endif
#if DBG_READ
-#define RDBGI(...) DBGI(__VA_ARGS__)
-#define RDBG_IN() DBG_IN()
-#define RDBG_OUT() DBG_OUT()
+#define RDBGI(...) do { printf("%4d: ", __LINE__); DBG_INDENT(); ao_scheme_printf(__VA_ARGS__); } while (0)
+#define RDBG_IN() (++ao_scheme_stack_depth)
+#define RDBG_OUT() (--ao_scheme_stack_depth)
#else
#define RDBGI(...)
#define RDBG_IN()
#define RDBG_OUT()
#endif
-#define DBG_MEM_START 1
+static inline int
+ao_scheme_mdbg_offset(void *a)
+{
+ uint8_t *u = a;
+
+ if (u == 0)
+ return -1;
+
+ if (ao_scheme_pool <= u && u < ao_scheme_pool + AO_SCHEME_POOL)
+ return u - ao_scheme_pool;
+
+#ifndef AO_SCHEME_MAKE_CONST
+ if (ao_scheme_const <= u && u < ao_scheme_const + AO_SCHEME_POOL_CONST)
+ return - (int) (u - ao_scheme_const);
+#endif
+ return -2;
+}
+
+#define MDBG_OFFSET(a) ao_scheme_mdbg_offset(a)
#if DBG_MEM
+#define DBG_MEM_START 1
+
#include <assert.h>
extern int dbg_move_depth;
#define MDBG_DUMP 1
-#define MDBG_OFFSET(a) ((a) ? (int) ((uint8_t *) (a) - ao_scheme_pool) : -1)
extern int dbg_mem;
-#define MDBG_DO(a) DBG_DO(a)
+#define MDBG_DO(a) a
#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++)
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