1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
2 Copyright 1995 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #include "expression.h"
24 #include "parser-defs.h"
31 /* FIXME: Should be in a header file that we import. */
33 c_val_print
PARAMS ((struct type
*, char *, CORE_ADDR
, GDB_FILE
*, int, int,
34 int, enum val_prettyprint
));
36 static void scm_ipruk
PARAMS ((char *, LONGEST
, GDB_FILE
*));
37 static void scm_scmlist_print
PARAMS ((LONGEST
, GDB_FILE
*, int, int,
38 int, enum val_prettyprint
));
39 static int scm_inferior_print
PARAMS ((LONGEST
, GDB_FILE
*, int, int,
40 int, enum val_prettyprint
));
42 /* Prints the SCM value VALUE by invoking the inferior, if appropraite.
43 Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
47 scm_inferior_print (value
, stream
, format
, deref_ref
, recurse
, pretty
)
53 enum val_prettyprint pretty
;
58 /* {Names of immediate symbols}
59 * This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
61 static char *scm_isymnames
[] =
63 /* This table must agree with the declarations */
79 "literal-variable-ref",
80 "literal-variable-set!",
83 "call-with-current-continuation",
85 /* user visible ISYMS */
98 scm_scmlist_print (svalue
, stream
, format
, deref_ref
, recurse
, pretty
)
104 enum val_prettyprint pretty
;
106 unsigned int more
= print_max
;
109 fputs_filtered ("...", stream
);
112 scm_scmval_print (SCM_CAR (svalue
), stream
, format
,
113 deref_ref
, recurse
+ 1, pretty
);
114 svalue
= SCM_CDR (svalue
);
115 for (; SCM_NIMP (svalue
); svalue
= SCM_CDR (svalue
))
117 if (SCM_NECONSP (svalue
))
119 fputs_filtered (" ", stream
);
122 fputs_filtered ("...", stream
);
125 scm_scmval_print (SCM_CAR (svalue
), stream
, format
,
126 deref_ref
, recurse
+ 1, pretty
);
128 if (SCM_NNULLP (svalue
))
130 fputs_filtered (" . ", stream
);
131 scm_scmval_print (svalue
, stream
, format
,
132 deref_ref
, recurse
+ 1, pretty
);
137 scm_ipruk (hdr
, ptr
, stream
)
142 fprintf_filtered (stream
, "#<unknown-%s", hdr
);
143 #define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
145 fprintf_filtered (stream
, " (0x%lx . 0x%lx) @",
146 (long) SCM_CAR (ptr
), (long) SCM_CDR (ptr
));
147 fprintf_filtered (stream
, " 0x%x>", ptr
);
151 scm_scmval_print (svalue
, stream
, format
, deref_ref
, recurse
, pretty
)
157 enum val_prettyprint pretty
;
164 print_longest (stream
, format
? format
: 'd', 1, svalue
>> 2);
167 if (SCM_ICHRP (svalue
))
169 svalue
= SCM_ICHR (svalue
);
170 scm_printchar (svalue
, stream
);
173 else if (SCM_IFLAGP (svalue
)
174 && (SCM_ISYMNUM (svalue
)
175 < (sizeof scm_isymnames
/ sizeof (char *))))
177 fputs_filtered (SCM_ISYMCHARS (svalue
), stream
);
180 else if (SCM_ILOCP (svalue
))
182 fprintf_filtered (stream
, "#@%ld%c%ld",
183 (long) SCM_IFRAME (svalue
),
184 SCM_ICDRP (svalue
) ? '-' : '+',
185 (long) SCM_IDIST (svalue
));
193 svalue
= SCM_CAR (svalue
- 1);
197 scm_ipruk ("immediate", svalue
, stream
);
201 switch (SCM_TYP7 (svalue
))
203 case scm_tcs_cons_gloc
:
204 if (SCM_CDR (SCM_CAR (svalue
) - 1L) == 0)
209 fputs_filtered ("#<latte ", stream
);
211 fputs_filtered ("???", stream
);
213 name
= ((SCM n
*)(STRUCT_TYPE( exp
)))[struct_i_name
];
214 scm_lfwrite (CHARS (name
),
215 (sizet
) sizeof (char),
216 (sizet
) LENGTH (name
),
219 fprintf_filtered (stream
, " #X%lX>", svalue
);
222 case scm_tcs_cons_imcar
:
223 case scm_tcs_cons_nimcar
:
224 fputs_filtered ("(", stream
);
225 scm_scmlist_print (svalue
, stream
, format
,
226 deref_ref
, recurse
+ 1, pretty
);
227 fputs_filtered (")", stream
);
229 case scm_tcs_closures
:
230 fputs_filtered ("#<CLOSURE ", stream
);
231 scm_scmlist_print (SCM_CODE (svalue
), stream
, format
,
232 deref_ref
, recurse
+ 1, pretty
);
233 fputs_filtered (">", stream
);
237 int len
= SCM_LENGTH (svalue
);
238 CORE_ADDR addr
= (CORE_ADDR
) SCM_CDR (svalue
);
243 int truncate
= print_max
&& len
> (int) print_max
;
246 fputs_filtered ("\"", stream
);
247 for (; done
< len
; done
+= buf_size
)
249 buf_size
= min (len
- done
, 64);
250 read_memory (addr
+ done
, buffer
, buf_size
);
252 for (i
= 0; i
< buf_size
; ++i
)
257 fputs_filtered ("\\", stream
);
259 fprintf_filtered (stream
, "%c", buffer
[i
]);
262 fputs_filtered (truncate
? "...\"" : "\"", stream
);
266 case scm_tcs_symbols
:
268 int len
= SCM_LENGTH (svalue
);
270 char * str
= (char*) alloca (len
);
271 read_memory (SCM_CDR (svalue
), str
, len
+ 1);
272 /* Should handle weird characters FIXME */
274 fputs_filtered (str
, stream
);
279 int len
= SCM_LENGTH (svalue
);
281 LONGEST elements
= SCM_CDR(svalue
);
282 fputs_filtered ("#(", stream
);
283 for (i
= 0; i
< len
; ++i
)
286 fputs_filtered (" ", stream
);
287 scm_scmval_print (scm_get_field (elements
, i
), stream
, format
,
288 deref_ref
, recurse
+ 1, pretty
);
290 fputs_filtered (")", stream
);
298 hook
= scm_get_lvector_hook (exp
, LV_PRINT_FN
);
301 scm_puts ("#<locked-vector ", port
);
302 scm_intprint(CDR(exp
), 16, port
);
303 scm_puts (">", port
);
309 scm_listify (exp
, port
, (writing
? BOOL_T
: BOOL_F
),
312 if (result
== BOOL_F
)
324 scm_raprin1 (exp
, port
, writing
);
329 int index
= SCM_CAR (svalue
) >> 8;
332 sprintf (str
, "#%d", index
);
334 char *str
= index
? SCM_CHARS (scm_heap_org
+index
) : "";
335 #define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
336 char *str
= CHARS (SNAME (exp
));
338 fprintf_filtered (stream
, "#<primitive-procedure %s>",
345 scm_puts ("#<compiled-closure ", port
);
346 scm_iprin1 (CCLO_SUBR (exp
), port
, writing
);
347 scm_putc ('>', port
);
351 fprintf_filtered (stream
, "#<continuation %d @ #X%lx >",
353 (long) CHARS (svalue
));
357 if (i
< scm_numptob
&& scm_ptobs
[i
].print
&& (scm_ptobs
[i
].print
) (exp
, port
, writing
))
362 if (i
< scm_numsmob
&& scm_smobs
[i
].print
363 && (scm_smobs
[i
].print
) (exp
, port
, writing
))
371 scm_ipruk ("type", svalue
, stream
);
378 scm_val_print (type
, valaddr
, address
, stream
, format
, deref_ref
, recurse
,
387 enum val_prettyprint pretty
;
389 if (is_scmvalue_type (type
))
391 LONGEST svalue
= extract_signed_integer (valaddr
, TYPE_LENGTH (type
));
392 if (scm_inferior_print (svalue
, stream
, format
,
393 deref_ref
, recurse
, pretty
) >= 0)
398 scm_scmval_print (svalue
, stream
, format
,
399 deref_ref
, recurse
, pretty
);
407 return c_val_print (type
, valaddr
, address
, stream
, format
,
408 deref_ref
, recurse
, pretty
);
413 scm_value_print (val
, stream
, format
, pretty
)
417 enum val_prettyprint pretty
;
419 return (val_print (VALUE_TYPE (val
), VALUE_CONTENTS (val
),
420 VALUE_ADDRESS (val
), stream
, format
, 1, 0, pretty
));
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