1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
2 Copyright 1995, 1996, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 #include "expression.h"
26 #include "parser-defs.h"
33 /* FIXME: Should be in a header file that we import. */
34 extern int c_val_print (struct type *, char *, int, CORE_ADDR,
35 struct ui_file *, int, int, int,
36 enum val_prettyprint);
38 static void scm_ipruk (char *, LONGEST, struct ui_file *);
39 static void scm_scmlist_print (LONGEST, struct ui_file *, int, int,
40 int, enum val_prettyprint);
41 static int scm_inferior_print (LONGEST, struct ui_file *, int, int,
42 int, enum val_prettyprint);
44 /* Prints the SCM value VALUE by invoking the inferior, if appropraite.
45 Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
49 scm_inferior_print (LONGEST value, struct ui_file *stream, int format,
50 int deref_ref, int recurse, enum val_prettyprint pretty)
55 /* {Names of immediate symbols}
56 * This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
58 static char *scm_isymnames[] =
60 /* This table must agree with the declarations */
76 "literal-variable-ref",
77 "literal-variable-set!",
80 "call-with-current-continuation",
82 /* user visible ISYMS */
95 scm_scmlist_print (LONGEST svalue, struct ui_file *stream, int format,
96 int deref_ref, int recurse, enum val_prettyprint pretty)
98 unsigned int more = print_max;
101 fputs_filtered ("...", stream);
104 scm_scmval_print (SCM_CAR (svalue), stream, format,
105 deref_ref, recurse + 1, pretty);
106 svalue = SCM_CDR (svalue);
107 for (; SCM_NIMP (svalue); svalue = SCM_CDR (svalue))
109 if (SCM_NECONSP (svalue))
111 fputs_filtered (" ", stream);
114 fputs_filtered ("...", stream);
117 scm_scmval_print (SCM_CAR (svalue), stream, format,
118 deref_ref, recurse + 1, pretty);
120 if (SCM_NNULLP (svalue))
122 fputs_filtered (" . ", stream);
123 scm_scmval_print (svalue, stream, format,
124 deref_ref, recurse + 1, pretty);
129 scm_ipruk (char *hdr, LONGEST ptr, struct ui_file *stream)
131 fprintf_filtered (stream, "#<unknown-%s", hdr);
132 #define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
134 fprintf_filtered (stream, " (0x%lx . 0x%lx) @",
135 (long) SCM_CAR (ptr), (long) SCM_CDR (ptr));
136 fprintf_filtered (stream, " 0x%s>", paddr_nz (ptr));
140 scm_scmval_print (LONGEST svalue, struct ui_file *stream, int format,
141 int deref_ref, int recurse, enum val_prettyprint pretty)
144 switch (7 & (int) svalue)
148 print_longest (stream, format ? format : 'd', 1, svalue >> 2);
151 if (SCM_ICHRP (svalue))
153 svalue = SCM_ICHR (svalue);
154 scm_printchar (svalue, stream);
157 else if (SCM_IFLAGP (svalue)
158 && (SCM_ISYMNUM (svalue)
159 < (sizeof scm_isymnames / sizeof (char *))))
161 fputs_filtered (SCM_ISYMCHARS (svalue), stream);
164 else if (SCM_ILOCP (svalue))
166 fprintf_filtered (stream, "#@%ld%c%ld",
167 (long) SCM_IFRAME (svalue),
168 SCM_ICDRP (svalue) ? '-' : '+',
169 (long) SCM_IDIST (svalue));
177 svalue = SCM_CAR (svalue - 1);
181 scm_ipruk ("immediate", svalue, stream);
185 switch (SCM_TYP7 (svalue))
187 case scm_tcs_cons_gloc:
188 if (SCM_CDR (SCM_CAR (svalue) - 1L) == 0)
193 fputs_filtered ("#<latte ", stream);
195 fputs_filtered ("???", stream);
197 name = ((SCM n *) (STRUCT_TYPE (exp)))[struct_i_name];
198 scm_lfwrite (CHARS (name),
199 (sizet) sizeof (char),
200 (sizet) LENGTH (name),
203 fprintf_filtered (stream, " #X%s>", paddr_nz (svalue));
206 case scm_tcs_cons_imcar:
207 case scm_tcs_cons_nimcar:
208 fputs_filtered ("(", stream);
209 scm_scmlist_print (svalue, stream, format,
210 deref_ref, recurse + 1, pretty);
211 fputs_filtered (")", stream);
213 case scm_tcs_closures:
214 fputs_filtered ("#<CLOSURE ", stream);
215 scm_scmlist_print (SCM_CODE (svalue), stream, format,
216 deref_ref, recurse + 1, pretty);
217 fputs_filtered (">", stream);
221 int len = SCM_LENGTH (svalue);
222 CORE_ADDR addr = (CORE_ADDR) SCM_CDR (svalue);
227 int truncate = print_max && len > (int) print_max;
230 fputs_filtered ("\"", stream);
231 for (; done < len; done += buf_size)
233 buf_size = min (len - done, 64);
234 read_memory (addr + done, buffer, buf_size);
236 for (i = 0; i < buf_size; ++i)
241 fputs_filtered ("\\", stream);
243 fprintf_filtered (stream, "%c", buffer[i]);
246 fputs_filtered (truncate ? "...\"" : "\"", stream);
250 case scm_tcs_symbols:
252 int len = SCM_LENGTH (svalue);
254 char *str = (char *) alloca (len);
255 read_memory (SCM_CDR (svalue), str, len + 1);
256 /* Should handle weird characters FIXME */
258 fputs_filtered (str, stream);
263 int len = SCM_LENGTH (svalue);
265 LONGEST elements = SCM_CDR (svalue);
266 fputs_filtered ("#(", stream);
267 for (i = 0; i < len; ++i)
270 fputs_filtered (" ", stream);
271 scm_scmval_print (scm_get_field (elements, i), stream, format,
272 deref_ref, recurse + 1, pretty);
274 fputs_filtered (")", stream);
282 hook = scm_get_lvector_hook (exp, LV_PRINT_FN);
285 scm_puts ("#<locked-vector ", port);
286 scm_intprint (CDR (exp), 16, port);
287 scm_puts (">", port);
293 scm_listify (exp, port, (writing ? BOOL_T : BOOL_F),
296 if (result == BOOL_F)
308 scm_raprin1 (exp, port, writing);
313 int index = SCM_CAR (svalue) >> 8;
316 sprintf (str, "#%d", index);
318 char *str = index ? SCM_CHARS (scm_heap_org + index) : "";
319 #define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
320 char *str = CHARS (SNAME (exp));
322 fprintf_filtered (stream, "#<primitive-procedure %s>",
329 scm_puts ("#<compiled-closure ", port);
330 scm_iprin1 (CCLO_SUBR (exp), port, writing);
331 scm_putc ('>', port);
335 fprintf_filtered (stream, "#<continuation %d @ #X%lx >",
337 (long) CHARS (svalue));
341 if (i < scm_numptob && scm_ptobs[i].print && (scm_ptobs[i].print) (exp, port, writing))
346 if (i < scm_numsmob && scm_smobs[i].print
347 && (scm_smobs[i].print) (exp, port, writing))
355 scm_ipruk ("type", svalue, stream);
362 scm_val_print (struct type *type, char *valaddr, int embedded_offset,
363 CORE_ADDR address, struct ui_file *stream, int format,
364 int deref_ref, int recurse, enum val_prettyprint pretty)
366 if (is_scmvalue_type (type))
368 LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
369 if (scm_inferior_print (svalue, stream, format,
370 deref_ref, recurse, pretty) >= 0)
375 scm_scmval_print (svalue, stream, format,
376 deref_ref, recurse, pretty);
384 return c_val_print (type, valaddr, 0, address, stream, format,
385 deref_ref, recurse, pretty);
390 scm_value_print (struct value *val, struct ui_file *stream, int format,
391 enum val_prettyprint pretty)
393 return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
394 VALUE_ADDRESS (val), stream, format, 1, 0, pretty));