#ifndef SCM_PRINT_H
#define SCM_PRINT_H
#include "libguile/__scm.h"
#include "libguile/chars.h"
#include "libguile/options.h"
#define SCM_PRINT_STATE_P(obj) (SCM_STRUCTP(obj) \
&& (scm_is_eq (SCM_STRUCT_VTABLE(obj), \
scm_print_state_vtable)))
#define SCM_PRINT_STATE(obj) ((scm_print_state *) SCM_STRUCT_DATA (obj))
#define RESET_PRINT_STATE(pstate) \
do { \
pstate->list_offset = 0; \
pstate->top = 0; \
} while (0)
#define SCM_WRITINGP(pstate) ((pstate)->writingp)
#define SCM_SET_WRITINGP(pstate, x) { (pstate)->writingp = (x); }
#define SCM_PORT_WITH_PS_P(p) SCM_TYP16_PREDICATE (scm_tc16_port_with_ps, p)
#define SCM_PORT_WITH_PS_PORT(p) SCM_CAR (SCM_CELL_OBJECT_1 (p))
#define SCM_PORT_WITH_PS_PS(p) SCM_CDR (SCM_CELL_OBJECT_1 (p))
#define SCM_COERCE_OUTPORT(p) \
(SCM_PORT_WITH_PS_P (p) ? SCM_PORT_WITH_PS_PORT (p) : p)
#define SCM_PRINT_STATE_LAYOUT "sruwuwuwuwuwpwuwuwurprpw"
typedef struct scm_print_state {
SCM handle;
int revealed;
unsigned long writingp;
unsigned long fancyp;
unsigned long level;
unsigned long length;
SCM hot_ref;
unsigned long list_offset;
unsigned long top;
unsigned long ceiling;
SCM ref_vect;
SCM highlight_objects;
} scm_print_state;
SCM_API SCM scm_print_state_vtable;
SCM_API scm_t_bits scm_tc16_port_with_ps;
SCM_API SCM scm_print_options (SCM setting);
SCM_API SCM scm_make_print_state (void);
SCM_API void scm_free_print_state (SCM print_state);
SCM_INTERNAL SCM scm_i_port_with_print_state (SCM port, SCM print_state);
SCM_INTERNAL void scm_i_display_substring (SCM str, size_t start, size_t end,
SCM port);
SCM_API void scm_intprint (scm_t_intmax n, int radix, SCM port);
SCM_API void scm_uintprint (scm_t_uintmax n, int radix, SCM port);
SCM_API void scm_ipruk (char *hdr, SCM ptr, SCM port);
SCM_API void scm_iprlist (char *hdr, SCM exp, int tlr, SCM port, scm_print_state *pstate);
SCM_INTERNAL void scm_i_print_symbol_name (SCM sym, SCM port);
SCM_API void scm_print_symbol_name (const char *str, size_t len, SCM port);
SCM_API void scm_prin1 (SCM exp, SCM port, int writingp);
SCM_API void scm_iprin1 (SCM exp, SCM port, scm_print_state *pstate);
SCM_API SCM scm_write (SCM obj, SCM port);
SCM_API SCM scm_display (SCM obj, SCM port);
SCM_API SCM scm_simple_format (SCM port, SCM message, SCM args);
SCM_API SCM scm_newline (SCM port);
SCM_API SCM scm_write_char (SCM chr, SCM port);
SCM_API SCM scm_printer_apply (SCM proc, SCM exp, SCM port, scm_print_state *);
SCM_API SCM scm_port_with_print_state (SCM port, SCM pstate);
SCM_API SCM scm_get_print_state (SCM port);
SCM_API int scm_valid_oport_value_p (SCM val);
SCM_INTERNAL void scm_init_print (void);
#ifdef GUILE_DEBUG
SCM_API SCM scm_current_pstate (void);
#endif
#endif