1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
3 Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2005, 2007, 2008
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "expression.h"
25 #include "parser-defs.h"
34 static void scm_ipruk (char *, LONGEST
, struct ui_file
*);
35 static void scm_scmlist_print (LONGEST
, struct ui_file
*, int, int,
36 int, enum val_prettyprint
);
37 static int scm_inferior_print (LONGEST
, struct ui_file
*, int, int,
38 int, enum val_prettyprint
);
40 /* Prints the SCM value VALUE by invoking the inferior, if appropraite.
41 Returns >= 0 on success; return -1 if the inferior cannot/should not
45 scm_inferior_print (LONGEST value
, struct ui_file
*stream
, int format
,
46 int deref_ref
, int recurse
, enum val_prettyprint pretty
)
48 struct value
*func
, *arg
, *result
;
49 struct symbol
*gdb_output_sym
, *gdb_output_len_sym
;
53 func
= find_function_in_inferior ("gdb_print");
54 arg
= value_from_longest (builtin_type_CORE_ADDR
, value
);
56 result
= call_function_by_hand (func
, 1, &arg
);
57 ret
= (int) value_as_long (result
);
60 /* XXX: Should we cache these symbols? */
62 lookup_symbol_global ("gdb_output", NULL
, NULL
, VAR_DOMAIN
);
64 lookup_symbol_global ("gdb_output_length", NULL
, NULL
, VAR_DOMAIN
);
66 if ((gdb_output_sym
== NULL
) || (gdb_output_len_sym
== NULL
))
70 struct value
*remote_buffer
;
72 read_memory (SYMBOL_VALUE_ADDRESS (gdb_output_len_sym
),
73 (char *) &output_len
, sizeof (output_len
));
75 output
= (char *) alloca (output_len
);
76 remote_buffer
= value_at (builtin_type_CORE_ADDR
,
77 SYMBOL_VALUE_ADDRESS (gdb_output_sym
));
78 read_memory (value_as_address (remote_buffer
),
81 ui_file_write (stream
, output
, output_len
);
88 /* {Names of immediate symbols}
89 * This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
91 static char *scm_isymnames
[] =
93 /* This table must agree with the declarations */
109 "literal-variable-ref",
110 "literal-variable-set!",
113 "call-with-current-continuation",
115 /* user visible ISYMS */
128 scm_scmlist_print (LONGEST svalue
, struct ui_file
*stream
, int format
,
129 int deref_ref
, int recurse
, enum val_prettyprint pretty
)
131 unsigned int more
= print_max
;
134 fputs_filtered ("...", stream
);
137 scm_scmval_print (SCM_CAR (svalue
), stream
, format
,
138 deref_ref
, recurse
+ 1, pretty
);
139 svalue
= SCM_CDR (svalue
);
140 for (; SCM_NIMP (svalue
); svalue
= SCM_CDR (svalue
))
142 if (SCM_NECONSP (svalue
))
144 fputs_filtered (" ", stream
);
147 fputs_filtered ("...", stream
);
150 scm_scmval_print (SCM_CAR (svalue
), stream
, format
,
151 deref_ref
, recurse
+ 1, pretty
);
153 if (SCM_NNULLP (svalue
))
155 fputs_filtered (" . ", stream
);
156 scm_scmval_print (svalue
, stream
, format
,
157 deref_ref
, recurse
+ 1, pretty
);
162 scm_ipruk (char *hdr
, LONGEST ptr
, struct ui_file
*stream
)
164 fprintf_filtered (stream
, "#<unknown-%s", hdr
);
165 #define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
167 fprintf_filtered (stream
, " (0x%lx . 0x%lx) @",
168 (long) SCM_CAR (ptr
), (long) SCM_CDR (ptr
));
169 fprintf_filtered (stream
, " 0x%s>", paddr_nz (ptr
));
173 scm_scmval_print (LONGEST svalue
, struct ui_file
*stream
, int format
,
174 int deref_ref
, int recurse
, enum val_prettyprint pretty
)
177 switch (7 & (int) svalue
)
181 print_longest (stream
, format
? format
: 'd', 1, svalue
>> 2);
184 if (SCM_ICHRP (svalue
))
186 svalue
= SCM_ICHR (svalue
);
187 scm_printchar (svalue
, stream
);
190 else if (SCM_IFLAGP (svalue
)
191 && (SCM_ISYMNUM (svalue
)
192 < (sizeof scm_isymnames
/ sizeof (char *))))
194 fputs_filtered (SCM_ISYMCHARS (svalue
), stream
);
197 else if (SCM_ILOCP (svalue
))
199 fprintf_filtered (stream
, "#@%ld%c%ld",
200 (long) SCM_IFRAME (svalue
),
201 SCM_ICDRP (svalue
) ? '-' : '+',
202 (long) SCM_IDIST (svalue
));
210 svalue
= SCM_CAR (svalue
- 1);
214 scm_ipruk ("immediate", svalue
, stream
);
218 switch (SCM_TYP7 (svalue
))
220 case scm_tcs_cons_gloc
:
221 if (SCM_CDR (SCM_CAR (svalue
) - 1L) == 0)
226 fputs_filtered ("#<latte ", stream
);
228 fputs_filtered ("???", stream
);
230 name
= ((SCM n
*) (STRUCT_TYPE (exp
)))[struct_i_name
];
231 scm_lfwrite (CHARS (name
),
232 (sizet
) sizeof (char),
233 (sizet
) LENGTH (name
),
236 fprintf_filtered (stream
, " #X%s>", paddr_nz (svalue
));
239 case scm_tcs_cons_imcar
:
240 case scm_tcs_cons_nimcar
:
241 fputs_filtered ("(", stream
);
242 scm_scmlist_print (svalue
, stream
, format
,
243 deref_ref
, recurse
+ 1, pretty
);
244 fputs_filtered (")", stream
);
246 case scm_tcs_closures
:
247 fputs_filtered ("#<CLOSURE ", stream
);
248 scm_scmlist_print (SCM_CODE (svalue
), stream
, format
,
249 deref_ref
, recurse
+ 1, pretty
);
250 fputs_filtered (">", stream
);
254 int len
= SCM_LENGTH (svalue
);
255 CORE_ADDR addr
= (CORE_ADDR
) SCM_CDR (svalue
);
260 int truncate
= print_max
&& len
> (int) print_max
;
263 fputs_filtered ("\"", stream
);
264 for (; done
< len
; done
+= buf_size
)
266 buf_size
= min (len
- done
, 64);
267 read_memory (addr
+ done
, buffer
, buf_size
);
269 for (i
= 0; i
< buf_size
; ++i
)
274 fputs_filtered ("\\", stream
);
276 fprintf_filtered (stream
, "%c", buffer
[i
]);
279 fputs_filtered (truncate
? "...\"" : "\"", stream
);
283 case scm_tcs_symbols
:
285 int len
= SCM_LENGTH (svalue
);
287 char *str
= alloca (len
);
288 read_memory (SCM_CDR (svalue
), (gdb_byte
*) str
, len
+ 1);
289 /* Should handle weird characters FIXME */
291 fputs_filtered (str
, stream
);
296 int len
= SCM_LENGTH (svalue
);
298 LONGEST elements
= SCM_CDR (svalue
);
299 fputs_filtered ("#(", stream
);
300 for (i
= 0; i
< len
; ++i
)
303 fputs_filtered (" ", stream
);
304 scm_scmval_print (scm_get_field (elements
, i
), stream
, format
,
305 deref_ref
, recurse
+ 1, pretty
);
307 fputs_filtered (")", stream
);
315 hook
= scm_get_lvector_hook (exp
, LV_PRINT_FN
);
318 scm_puts ("#<locked-vector ", port
);
319 scm_intprint (CDR (exp
), 16, port
);
320 scm_puts (">", port
);
326 scm_listify (exp
, port
,
327 (writing
? BOOL_T
: BOOL_F
),
330 if (result
== BOOL_F
)
342 scm_raprin1 (exp
, port
, writing
);
347 int index
= SCM_CAR (svalue
) >> 8;
350 sprintf (str
, "#%d", index
);
352 char *str
= index
? SCM_CHARS (scm_heap_org
+ index
) : "";
353 #define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
354 char *str
= CHARS (SNAME (exp
));
356 fprintf_filtered (stream
, "#<primitive-procedure %s>",
363 scm_puts ("#<compiled-closure ", port
);
364 scm_iprin1 (CCLO_SUBR (exp
), port
, writing
);
365 scm_putc ('>', port
);
369 fprintf_filtered (stream
, "#<continuation %d @ #X%lx >",
371 (long) CHARS (svalue
));
376 && scm_ptobs
[i
].print
377 && (scm_ptobs
[i
].print
) (exp
, port
, writing
))
382 if (i
< scm_numsmob
&& scm_smobs
[i
].print
383 && (scm_smobs
[i
].print
) (exp
, port
, writing
))
391 scm_ipruk ("type", svalue
, stream
);
398 scm_val_print (struct type
*type
, const gdb_byte
*valaddr
,
399 int embedded_offset
, CORE_ADDR address
,
400 struct ui_file
*stream
, int format
, int deref_ref
,
401 int recurse
, enum val_prettyprint pretty
)
403 if (is_scmvalue_type (type
))
405 LONGEST svalue
= extract_signed_integer (valaddr
, TYPE_LENGTH (type
));
407 if (scm_inferior_print (svalue
, stream
, format
,
408 deref_ref
, recurse
, pretty
) >= 0)
413 scm_scmval_print (svalue
, stream
, format
,
414 deref_ref
, recurse
, pretty
);
422 return c_val_print (type
, valaddr
, 0, address
, stream
, format
,
423 deref_ref
, recurse
, pretty
);
428 scm_value_print (struct value
*val
, struct ui_file
*stream
, int format
,
429 enum val_prettyprint pretty
)
431 return (common_val_print (val
, stream
, format
, 1, 0, pretty
,
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