#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>
#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);
/* 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;
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
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
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);
-
-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);
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);
/* 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
}
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;
/* vector */
void
-ao_scheme_vector_write(ao_poly v);
-
-void
-ao_scheme_vector_display(ao_poly v);
+ao_scheme_vector_write(ao_poly v, bool write);
struct ao_scheme_vector *
ao_scheme_vector_alloc(uint16_t length, ao_poly fill);
extern const struct ao_scheme_type ao_scheme_vector_type;
/* prim */
-void (*ao_scheme_poly_write_func(ao_poly p))(ao_poly p);
-void (*ao_scheme_poly_display_func(ao_poly p))(ao_poly p);
-
-static inline void
-ao_scheme_poly_write(ao_poly p) { (*ao_scheme_poly_write_func(p))(p); }
+void (*ao_scheme_poly_write_func(ao_poly p))(ao_poly p, bool write);
static inline void
-ao_scheme_poly_display(ao_poly p) { (*ao_scheme_poly_display_func(p))(p); }
+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);
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);
/* 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_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);
void
ao_scheme_printf(const char *format, ...);
-void
-ao_scheme_error_poly(const char *name, ao_poly poly, ao_poly last);
-
-void
-ao_scheme_error_frame(int indent, const char *name, struct ao_scheme_frame *frame);
-
ao_poly
ao_scheme_error(int error, const char *format, ...);
/* 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++)