mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-05-28 14:08:09 +08:00
Initial creation of sourceware repository
This commit is contained in:
Stan Shebs
422
gdb/scm-valprint.c
Normal file
422
gdb/scm-valprint.c
Normal file
@ -0,0 +1,422 @@
|
||||
/* Scheme/Guile language support routines for GDB, the GNU debugger.
|
||||
Copyright 1995 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "symtab.h"
|
||||
#include "gdbtypes.h"
|
||||
#include "expression.h"
|
||||
#include "parser-defs.h"
|
||||
#include "language.h"
|
||||
#include "value.h"
|
||||
#include "scm-lang.h"
|
||||
#include "valprint.h"
|
||||
#include "gdbcore.h"
|
||||
|
||||
/* FIXME: Should be in a header file that we import. */
|
||||
extern int
|
||||
c_val_print PARAMS ((struct type *, char *, int, CORE_ADDR, GDB_FILE *, int, int,
|
||||
int, enum val_prettyprint));
|
||||
|
||||
static void scm_ipruk PARAMS ((char *, LONGEST, GDB_FILE *));
|
||||
static void scm_scmlist_print PARAMS ((LONGEST, GDB_FILE *, int, int,
|
||||
int, enum val_prettyprint));
|
||||
static int scm_inferior_print PARAMS ((LONGEST, GDB_FILE *, int, int,
|
||||
int, enum val_prettyprint));
|
||||
|
||||
/* Prints the SCM value VALUE by invoking the inferior, if appropraite.
|
||||
Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
|
||||
print VALUE. */
|
||||
|
||||
static int
|
||||
scm_inferior_print (value, stream, format, deref_ref, recurse, pretty)
|
||||
LONGEST value;
|
||||
GDB_FILE *stream;
|
||||
int format;
|
||||
int deref_ref;
|
||||
int recurse;
|
||||
enum val_prettyprint pretty;
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* {Names of immediate symbols}
|
||||
* This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
|
||||
|
||||
static char *scm_isymnames[] =
|
||||
{
|
||||
/* This table must agree with the declarations */
|
||||
"and",
|
||||
"begin",
|
||||
"case",
|
||||
"cond",
|
||||
"do",
|
||||
"if",
|
||||
"lambda",
|
||||
"let",
|
||||
"let*",
|
||||
"letrec",
|
||||
"or",
|
||||
"quote",
|
||||
"set!",
|
||||
"define",
|
||||
#if 0
|
||||
"literal-variable-ref",
|
||||
"literal-variable-set!",
|
||||
#endif
|
||||
"apply",
|
||||
"call-with-current-continuation",
|
||||
|
||||
/* user visible ISYMS */
|
||||
/* other keywords */
|
||||
/* Flags */
|
||||
|
||||
"#f",
|
||||
"#t",
|
||||
"#<undefined>",
|
||||
"#<eof>",
|
||||
"()",
|
||||
"#<unspecified>"
|
||||
};
|
||||
|
||||
static void
|
||||
scm_scmlist_print (svalue, stream, format, deref_ref, recurse, pretty)
|
||||
LONGEST svalue;
|
||||
GDB_FILE *stream;
|
||||
int format;
|
||||
int deref_ref;
|
||||
int recurse;
|
||||
enum val_prettyprint pretty;
|
||||
{
|
||||
unsigned int more = print_max;
|
||||
if (recurse > 6)
|
||||
{
|
||||
fputs_filtered ("...", stream);
|
||||
return;
|
||||
}
|
||||
scm_scmval_print (SCM_CAR (svalue), stream, format,
|
||||
deref_ref, recurse + 1, pretty);
|
||||
svalue = SCM_CDR (svalue);
|
||||
for (; SCM_NIMP (svalue); svalue = SCM_CDR (svalue))
|
||||
{
|
||||
if (SCM_NECONSP (svalue))
|
||||
break;
|
||||
fputs_filtered (" ", stream);
|
||||
if (--more == 0)
|
||||
{
|
||||
fputs_filtered ("...", stream);
|
||||
return;
|
||||
}
|
||||
scm_scmval_print (SCM_CAR (svalue), stream, format,
|
||||
deref_ref, recurse + 1, pretty);
|
||||
}
|
||||
if (SCM_NNULLP (svalue))
|
||||
{
|
||||
fputs_filtered (" . ", stream);
|
||||
scm_scmval_print (svalue, stream, format,
|
||||
deref_ref, recurse + 1, pretty);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
scm_ipruk (hdr, ptr, stream)
|
||||
char *hdr;
|
||||
LONGEST ptr;
|
||||
GDB_FILE *stream;
|
||||
{
|
||||
fprintf_filtered (stream, "#<unknown-%s", hdr);
|
||||
#define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
|
||||
if (SCM_CELLP (ptr))
|
||||
fprintf_filtered (stream, " (0x%lx . 0x%lx) @",
|
||||
(long) SCM_CAR (ptr), (long) SCM_CDR (ptr));
|
||||
fprintf_filtered (stream, " 0x%x>", ptr);
|
||||
}
|
||||
|
||||
void
|
||||
scm_scmval_print (svalue, stream, format, deref_ref, recurse, pretty)
|
||||
LONGEST svalue;
|
||||
GDB_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 (svalue, stream);
|
||||
break;
|
||||
}
|
||||
else if (SCM_IFLAGP (svalue)
|
||||
&& (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
|
||||
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
|
||||
fprintf_filtered (stream, " #X%lX>", svalue);
|
||||
break;
|
||||
}
|
||||
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:
|
||||
{
|
||||
int len = SCM_LENGTH (svalue);
|
||||
CORE_ADDR addr = (CORE_ADDR) SCM_CDR (svalue);
|
||||
int i;
|
||||
int done = 0;
|
||||
int buf_size;
|
||||
char buffer[64];
|
||||
int truncate = print_max && len > (int) 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, buf_size);
|
||||
|
||||
for (i = 0; i < buf_size; ++i)
|
||||
switch (buffer[i])
|
||||
{
|
||||
case '\"':
|
||||
case '\\':
|
||||
fputs_filtered ("\\", stream);
|
||||
default:
|
||||
fprintf_filtered (stream, "%c", buffer[i]);
|
||||
}
|
||||
}
|
||||
fputs_filtered (truncate ? "...\"" : "\"", stream);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case scm_tcs_symbols:
|
||||
{
|
||||
int len = SCM_LENGTH (svalue);
|
||||
|
||||
char * str = (char*) alloca (len);
|
||||
read_memory (SCM_CDR (svalue), str, len + 1);
|
||||
/* Should handle weird characters FIXME */
|
||||
str[len] = '\0';
|
||||
fputs_filtered (str, stream);
|
||||
break;
|
||||
}
|
||||
case scm_tc7_vector:
|
||||
{
|
||||
int 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
|
||||
case scm_tcs_subrs:
|
||||
{
|
||||
int index = SCM_CAR (svalue) >> 8;
|
||||
#if 1
|
||||
char str[20];
|
||||
sprintf (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
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
scm_val_print (type, valaddr, embedded_offset, address,
|
||||
stream, format, deref_ref, recurse, pretty)
|
||||
struct type *type;
|
||||
char *valaddr;
|
||||
int embedded_offset;
|
||||
CORE_ADDR address;
|
||||
GDB_FILE *stream;
|
||||
int format;
|
||||
int deref_ref;
|
||||
int recurse;
|
||||
enum val_prettyprint pretty;
|
||||
{
|
||||
if (is_scmvalue_type (type))
|
||||
{
|
||||
LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
|
||||
if (scm_inferior_print (svalue, stream, format,
|
||||
deref_ref, recurse, pretty) >= 0)
|
||||
{
|
||||
}
|
||||
else
|
||||
{
|
||||
scm_scmval_print (svalue, stream, format,
|
||||
deref_ref, recurse, pretty);
|
||||
}
|
||||
|
||||
gdb_flush (stream);
|
||||
return (0);
|
||||
}
|
||||
else
|
||||
{
|
||||
return c_val_print (type, valaddr, 0, address, stream, format,
|
||||
deref_ref, recurse, pretty);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
scm_value_print (val, stream, format, pretty)
|
||||
value_ptr val;
|
||||
GDB_FILE *stream;
|
||||
int format;
|
||||
enum val_prettyprint pretty;
|
||||
{
|
||||
return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
|
||||
VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
|
||||
}
|
||||
Reference in New Issue
Block a user