LONGEST
scm_unpack (struct type *type, char *valaddr, enum type_code context)
{
if (is_scmvalue_type (type))
{
LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
if (context == TYPE_CODE_BOOL)
{
if (svalue == SCM_BOOL_F)
return 0;
else
return 1;
}
switch (7 & (int) svalue)
{
case 2:
case 6: /* fixnum */
return svalue >> 2;
case 4: /* other immediate value */
if (SCM_ICHRP (svalue)) /* character */
return SCM_ICHR (svalue);
else if (SCM_IFLAGP (svalue))
{
switch ((int) svalue)
{
#ifndef SICP
case SCM_EOL:
#endif
case SCM_BOOL_F:
return 0;
case SCM_BOOL_T:
return 1;
}
}
error ("Value can't be converted to integer.");
default:
return svalue;
}
}
else
return unpack_long (type, valaddr);
/* FIXME: needs comment: */
void
scm_scmval_print(LONGEST svalue, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
taloop:
switch (7 & (int)svalue)
{
case 2:
case 6:
print_longest(stream, (format ? format : 'd'), 1, (svalue >> 2));
break;
case 4:
if (SCM_ICHRP(svalue))
{
svalue = SCM_ICHR(svalue);
scm_printchar((int)svalue, stream);
break;
}
else if (SCM_IFLAGP(svalue)
&& ((size_t)SCM_ISYMNUM(svalue)
< (sizeof(scm_isymnames) / sizeof(char *))))
{
fputs_filtered(SCM_ISYMCHARS(svalue), stream);
break;
}
else if (SCM_ILOCP(svalue))
{
fprintf_filtered(stream, "#@%ld%c%ld",
(long)SCM_IFRAME(svalue),
(SCM_ICDRP(svalue) ? '-' : '+'),
(long)SCM_IDIST(svalue));
break;
}
else
goto idef;
break;
case 1:
/* gloc */
svalue = SCM_CAR (svalue - 1);
goto taloop;
default:
idef:
scm_ipruk ("immediate", svalue, stream);
break;
case 0:
switch (SCM_TYP7 (svalue))
{
case scm_tcs_cons_gloc:
if (SCM_CDR (SCM_CAR (svalue) - 1L) == 0)
{
#if 0
SCM name;
#endif /* 0 */
fputs_filtered ("#<latte ", stream);
#if 1
fputs_filtered ("???", stream);
#else
name = ((SCM n *) (STRUCT_TYPE (exp)))[struct_i_name];
scm_lfwrite (CHARS (name),
(sizet) sizeof (char),
(sizet) LENGTH (name),
port);
#endif /* 1 */
fprintf_filtered (stream, " #X%s>", paddr_nz (svalue));
break;
}
/* -Wimplicit-fallthrough vs. -Wdeclaration-after-statement: */
goto imcar_noncase_label;
imcar_noncase_label:
case scm_tcs_cons_imcar:
case scm_tcs_cons_nimcar:
fputs_filtered ("(", stream);
scm_scmlist_print (svalue, stream, format,
deref_ref, recurse + 1, pretty);
fputs_filtered (")", stream);
break;
case scm_tcs_closures:
fputs_filtered ("#<CLOSURE ", stream);
scm_scmlist_print (SCM_CODE (svalue), stream, format,
deref_ref, recurse + 1, pretty);
fputs_filtered (">", stream);
break;
case scm_tc7_string:
{
size_t len = SCM_LENGTH(svalue);
CORE_ADDR addr = (CORE_ADDR)SCM_CDR(svalue);
size_t i;
size_t done = 0UL;
size_t buf_size;
gdb_byte buffer[64];
int truncate = (print_max && (len > print_max));
if (truncate)
len = print_max;
fputs_filtered ("\"", stream);
for (; done < len; done += buf_size)
{
buf_size = min((len - done), 64);
read_memory((addr + done), buffer, (int)buf_size);
for (i = 0; i < buf_size; ++i)
switch (buffer[i])
{
case '\"':
case '\\':
fputs_filtered("\\", stream);
goto the_default_label;
the_default_label:
default:
fprintf_filtered(stream, "%c", buffer[i]);
}
}
fputs_filtered((truncate ? "...\"" : "\""), stream);
break;
}
break;
case scm_tcs_symbols:
{
const size_t len = min(SCM_LENGTH(svalue), MAX_ALLOCA_SIZE);
char *str = (char *)alloca(min(len, MAX_ALLOCA_SIZE));
read_memory(SCM_CDR(svalue), (gdb_byte *)str, (int)(len + 1));
/* Should handle weird characters, FIXME: do it. */
str[len] = '\0';
fputs_filtered(str, stream);
break;
}
case scm_tc7_vector:
{
long len = SCM_LENGTH(svalue);
int i;
LONGEST elements = SCM_CDR(svalue);
fputs_filtered ("#(", stream);
for (i = 0; i < len; ++i)
{
if (i > 0)
fputs_filtered (" ", stream);
scm_scmval_print (scm_get_field (elements, i), stream, format,
deref_ref, recurse + 1, pretty);
}
fputs_filtered (")", stream);
}
break;
#if 0
case tc7_lvector:
{
SCM result;
SCM hook;
hook = scm_get_lvector_hook (exp, LV_PRINT_FN);
if (hook == BOOL_F)
{
scm_puts ("#<locked-vector ", port);
scm_intprint (CDR (exp), 16, port);
scm_puts (">", port);
}
else
{
result
= scm_apply (hook,
scm_listify (exp, port,
(writing ? BOOL_T : BOOL_F),
SCM_UNDEFINED),
EOL);
if (result == BOOL_F)
goto punk;
}
break;
}
break;
case tc7_bvect:
case tc7_ivect:
case tc7_uvect:
case tc7_fvect:
case tc7_dvect:
case tc7_cvect:
scm_raprin1 (exp, port, writing);
break;
#endif /* 0 */
case scm_tcs_subrs:
{
int index = (int)(SCM_CAR(svalue) >> 8);
#if 1
char str[20];
snprintf(str, sizeof(str), "#%d", index);
#else
char *str = (index ? SCM_CHARS(scm_heap_org + index) : "");
# define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
char *str = CHARS(SNAME(exp));
#endif /* 1 */
fprintf_filtered(stream, "#<primitive-procedure %s>",
str);
}
break;
#if 0
#ifdef CCLO
case tc7_cclo:
scm_puts ("#<compiled-closure ", port);
scm_iprin1 (CCLO_SUBR (exp), port, writing);
scm_putc ('>', port);
break;
#endif
case tc7_contin:
fprintf_filtered (stream, "#<continuation %d @ #X%lx >",
LENGTH (svalue),
(long) CHARS (svalue));
break;
case tc7_port:
i = PTOBNUM (exp);
if (i < scm_numptob
&& scm_ptobs[i].print
&& (scm_ptobs[i].print) (exp, port, writing))
break;
goto punk;
case tc7_smob:
i = SMOBNUM (exp);
if (i < scm_numsmob && scm_smobs[i].print
&& (scm_smobs[i].print) (exp, port, writing))
break;
goto punk;
#endif
default:
#if 0
punk:
#endif
scm_ipruk ("type", svalue, stream);
}
break;
}
}