#ifndef DUK_DEBUGGER_H_INCLUDED
#define DUK_DEBUGGER_H_INCLUDED

/* Debugger protocol version is defined in the public API header. */

/* Initial bytes for markers. */
#define DUK_DBG_IB_EOM                   0x00
#define DUK_DBG_IB_REQUEST               0x01
#define DUK_DBG_IB_REPLY                 0x02
#define DUK_DBG_IB_ERROR                 0x03
#define DUK_DBG_IB_NOTIFY                0x04

/* Other initial bytes. */
#define DUK_DBG_IB_INT4                  0x10
#define DUK_DBG_IB_STR4                  0x11
#define DUK_DBG_IB_STR2                  0x12
#define DUK_DBG_IB_BUF4                  0x13
#define DUK_DBG_IB_BUF2                  0x14
#define DUK_DBG_IB_UNUSED                0x15
#define DUK_DBG_IB_UNDEFINED             0x16
#define DUK_DBG_IB_NULL                  0x17
#define DUK_DBG_IB_TRUE                  0x18
#define DUK_DBG_IB_FALSE                 0x19
#define DUK_DBG_IB_NUMBER                0x1a
#define DUK_DBG_IB_OBJECT                0x1b
#define DUK_DBG_IB_POINTER               0x1c
#define DUK_DBG_IB_LIGHTFUNC             0x1d
#define DUK_DBG_IB_HEAPPTR               0x1e
/* The short string/integer initial bytes starting from 0x60 don't have
 * defines now.
 */

/* Error codes. */
#define DUK_DBG_ERR_UNKNOWN              0x00
#define DUK_DBG_ERR_UNSUPPORTED          0x01
#define DUK_DBG_ERR_TOOMANY              0x02
#define DUK_DBG_ERR_NOTFOUND             0x03
#define DUK_DBG_ERR_APPLICATION          0x04

/* Commands and notifys initiated by Duktape. */
#define DUK_DBG_CMD_STATUS               0x01
#define DUK_DBG_CMD_PRINT                0x02
#define DUK_DBG_CMD_ALERT                0x03
#define DUK_DBG_CMD_LOG                  0x04
#define DUK_DBG_CMD_THROW                0x05
#define DUK_DBG_CMD_DETACHING            0x06
#define DUK_DBG_CMD_APPNOTIFY            0x07

/* Commands initiated by debug client. */
#define DUK_DBG_CMD_BASICINFO            0x10
#define DUK_DBG_CMD_TRIGGERSTATUS        0x11
#define DUK_DBG_CMD_PAUSE                0x12
#define DUK_DBG_CMD_RESUME               0x13
#define DUK_DBG_CMD_STEPINTO             0x14
#define DUK_DBG_CMD_STEPOVER             0x15
#define DUK_DBG_CMD_STEPOUT              0x16
#define DUK_DBG_CMD_LISTBREAK            0x17
#define DUK_DBG_CMD_ADDBREAK             0x18
#define DUK_DBG_CMD_DELBREAK             0x19
#define DUK_DBG_CMD_GETVAR               0x1a
#define DUK_DBG_CMD_PUTVAR               0x1b
#define DUK_DBG_CMD_GETCALLSTACK         0x1c
#define DUK_DBG_CMD_GETLOCALS            0x1d
#define DUK_DBG_CMD_EVAL                 0x1e
#define DUK_DBG_CMD_DETACH               0x1f
#define DUK_DBG_CMD_DUMPHEAP             0x20
#define DUK_DBG_CMD_GETBYTECODE          0x21
#define DUK_DBG_CMD_APPREQUEST           0x22
#define DUK_DBG_CMD_GETHEAPOBJINFO       0x23
#define DUK_DBG_CMD_GETOBJPROPDESC       0x24
#define DUK_DBG_CMD_GETOBJPROPDESCRANGE  0x25

/* The low 8 bits map directly to duk_hobject.h DUK_PROPDESC_FLAG_xxx.
 * The remaining flags are specific to the debugger.
 */
#define DUK_DBG_PROPFLAG_INTERNAL        (1 << 8)

#if defined(DUK_USE_DEBUGGER_SUPPORT)
DUK_INTERNAL_DECL void duk_debug_do_detach(duk_heap *heap);

DUK_INTERNAL_DECL duk_bool_t duk_debug_read_peek(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_debug_write_flush(duk_hthread *thr);

DUK_INTERNAL_DECL void duk_debug_skip_bytes(duk_hthread *thr, duk_size_t length);
DUK_INTERNAL_DECL void duk_debug_skip_byte(duk_hthread *thr);

DUK_INTERNAL_DECL void duk_debug_read_bytes(duk_hthread *thr, duk_uint8_t *data, duk_size_t length);
DUK_INTERNAL_DECL duk_uint8_t duk_debug_read_byte(duk_hthread *thr);
DUK_INTERNAL_DECL duk_int32_t duk_debug_read_int(duk_hthread *thr);
DUK_INTERNAL_DECL duk_hstring *duk_debug_read_hstring(duk_hthread *thr);
/* XXX: exposed duk_debug_read_pointer */
/* XXX: exposed duk_debug_read_buffer */
/* XXX: exposed duk_debug_read_hbuffer */
#if 0
DUK_INTERNAL_DECL duk_heaphdr *duk_debug_read_heapptr(duk_hthread *thr);
#endif
#if defined(DUK_USE_DEBUGGER_INSPECT)
DUK_INTERNAL_DECL duk_heaphdr *duk_debug_read_any_ptr(duk_hthread *thr);
#endif
DUK_INTERNAL_DECL duk_tval *duk_debug_read_tval(duk_hthread *thr);

DUK_INTERNAL_DECL void duk_debug_write_bytes(duk_hthread *thr, const duk_uint8_t *data, duk_size_t length);
DUK_INTERNAL_DECL void duk_debug_write_byte(duk_hthread *thr, duk_uint8_t x);
DUK_INTERNAL_DECL void duk_debug_write_unused(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_debug_write_undefined(duk_hthread *thr);
#if defined(DUK_USE_DEBUGGER_INSPECT)
DUK_INTERNAL_DECL void duk_debug_write_null(duk_hthread *thr);
#endif
DUK_INTERNAL_DECL void duk_debug_write_boolean(duk_hthread *thr, duk_uint_t val);
DUK_INTERNAL_DECL void duk_debug_write_int(duk_hthread *thr, duk_int32_t x);
DUK_INTERNAL_DECL void duk_debug_write_uint(duk_hthread *thr, duk_uint32_t x);
DUK_INTERNAL_DECL void duk_debug_write_string(duk_hthread *thr, const char *data, duk_size_t length);
DUK_INTERNAL_DECL void duk_debug_write_cstring(duk_hthread *thr, const char *data);
DUK_INTERNAL_DECL void duk_debug_write_hstring(duk_hthread *thr, duk_hstring *h);
DUK_INTERNAL_DECL void duk_debug_write_buffer(duk_hthread *thr, const char *data, duk_size_t length);
DUK_INTERNAL_DECL void duk_debug_write_hbuffer(duk_hthread *thr, duk_hbuffer *h);
DUK_INTERNAL_DECL void duk_debug_write_pointer(duk_hthread *thr, void *ptr);
#if defined(DUK_USE_DEBUGGER_DUMPHEAP) || defined(DUK_USE_DEBUGGER_INSPECT)
DUK_INTERNAL_DECL void duk_debug_write_heapptr(duk_hthread *thr, duk_heaphdr *h);
#endif
DUK_INTERNAL_DECL void duk_debug_write_hobject(duk_hthread *thr, duk_hobject *obj);
DUK_INTERNAL_DECL void duk_debug_write_tval(duk_hthread *thr, duk_tval *tv);
#if 0  /* unused */
DUK_INTERNAL_DECL void duk_debug_write_request(duk_hthread *thr, duk_small_uint_t command);
#endif
DUK_INTERNAL_DECL void duk_debug_write_reply(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_debug_write_error_eom(duk_hthread *thr, duk_small_uint_t err_code, const char *msg);
DUK_INTERNAL_DECL void duk_debug_write_notify(duk_hthread *thr, duk_small_uint_t command);
DUK_INTERNAL_DECL void duk_debug_write_eom(duk_hthread *thr);

DUK_INTERNAL_DECL duk_uint_fast32_t duk_debug_curr_line(duk_hthread *thr);
DUK_INTERNAL_DECL void duk_debug_send_status(duk_hthread *thr);
#if defined(DUK_USE_DEBUGGER_THROW_NOTIFY)
DUK_INTERNAL_DECL void duk_debug_send_throw(duk_hthread *thr, duk_bool_t fatal);
#endif

DUK_INTERNAL_DECL void duk_debug_halt_execution(duk_hthread *thr, duk_bool_t use_prev_pc);
DUK_INTERNAL_DECL duk_bool_t duk_debug_process_messages(duk_hthread *thr, duk_bool_t no_block);

DUK_INTERNAL_DECL duk_small_int_t duk_debug_add_breakpoint(duk_hthread *thr, duk_hstring *filename, duk_uint32_t line);
DUK_INTERNAL_DECL duk_bool_t duk_debug_remove_breakpoint(duk_hthread *thr, duk_small_uint_t breakpoint_index);
#endif

#endif  /* DUK_DEBUGGER_H_INCLUDED */