1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
2 Copyright 1995, 2000 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,
19 Boston, MA 02111-1307, USA. */
24 #include "expression.h"
25 #include "parser-defs.h"
32 /* FIXME: Should be in a header file that we import. */
33 extern int c_val_print (struct type *, char *, int, CORE_ADDR,
34 struct ui_file *, int, int, int,
35 enum val_prettyprint);
37 static void scm_ipruk (char *, LONGEST, struct ui_file *);
38 static void scm_scmlist_print (LONGEST, struct ui_file *, int, int,
39 int, enum val_prettyprint);
40 static int scm_inferior_print (LONGEST, struct ui_file *, int, int,
41 int, enum val_prettyprint);
43 /* Prints the SCM value VALUE by invoking the inferior, if appropraite.
44 Returns >= 0 on succes; retunr -1 if the inferior cannot/should not
48 scm_inferior_print (value, stream, format, deref_ref, recurse, pretty)
50 struct ui_file *stream;
54 enum val_prettyprint pretty;
59 /* {Names of immediate symbols}
60 * This table must agree with the declarations in scm.h: {Immediate Symbols}.*/
62 static char *scm_isymnames[] =
64 /* This table must agree with the declarations */
80 "literal-variable-ref",
81 "literal-variable-set!",
84 "call-with-current-continuation",
86 /* user visible ISYMS */
99 scm_scmlist_print (svalue, stream, format, deref_ref, recurse, pretty)
101 struct ui_file *stream;
105 enum val_prettyprint pretty;
107 unsigned int more = print_max;
110 fputs_filtered ("...", stream);
113 scm_scmval_print (SCM_CAR (svalue), stream, format,
114 deref_ref, recurse + 1, pretty);
115 svalue = SCM_CDR (svalue);
116 for (; SCM_NIMP (svalue); svalue = SCM_CDR (svalue))
118 if (SCM_NECONSP (svalue))
120 fputs_filtered (" ", stream);
123 fputs_filtered ("...", stream);
126 scm_scmval_print (SCM_CAR (svalue), stream, format,
127 deref_ref, recurse + 1, pretty);
129 if (SCM_NNULLP (svalue))
131 fputs_filtered (" . ", stream);
132 scm_scmval_print (svalue, stream, format,
133 deref_ref, recurse + 1, pretty);
138 scm_ipruk (hdr, ptr, stream)
141 struct ui_file *stream;
143 fprintf_filtered (stream, "#<unknown-%s", hdr);
144 #define SCM_SIZE TYPE_LENGTH (builtin_type_scm)
146 fprintf_filtered (stream, " (0x%lx . 0x%lx) @",
147 (long) SCM_CAR (ptr), (long) SCM_CDR (ptr));
148 fprintf_filtered (stream, " 0x%s>", paddr_nz (ptr));
152 scm_scmval_print (svalue, stream, format, deref_ref, recurse, pretty)
154 struct ui_file *stream;
158 enum val_prettyprint pretty;
161 switch (7 & (int) svalue)
165 print_longest (stream, format ? format : 'd', 1, svalue >> 2);
168 if (SCM_ICHRP (svalue))
170 svalue = SCM_ICHR (svalue);
171 scm_printchar (svalue, stream);
174 else if (SCM_IFLAGP (svalue)
175 && (SCM_ISYMNUM (svalue)
176 < (sizeof scm_isymnames / sizeof (char *))))
178 fputs_filtered (SCM_ISYMCHARS (svalue), stream);
181 else if (SCM_ILOCP (svalue))
183 fprintf_filtered (stream, "#@%ld%c%ld",
184 (long) SCM_IFRAME (svalue),
185 SCM_ICDRP (svalue) ? '-' : '+',
186 (long) SCM_IDIST (svalue));
194 svalue = SCM_CAR (svalue - 1);
198 scm_ipruk ("immediate", svalue, stream);
202 switch (SCM_TYP7 (svalue))
204 case scm_tcs_cons_gloc:
205 if (SCM_CDR (SCM_CAR (svalue) - 1L) == 0)
210 fputs_filtered ("#<latte ", stream);
212 fputs_filtered ("???", stream);
214 name = ((SCM n *) (STRUCT_TYPE (exp)))[struct_i_name];
215 scm_lfwrite (CHARS (name),
216 (sizet) sizeof (char),
217 (sizet) LENGTH (name),
220 fprintf_filtered (stream, " #X%s>", paddr_nz (svalue));
223 case scm_tcs_cons_imcar:
224 case scm_tcs_cons_nimcar:
225 fputs_filtered ("(", stream);
226 scm_scmlist_print (svalue, stream, format,
227 deref_ref, recurse + 1, pretty);
228 fputs_filtered (")", stream);
230 case scm_tcs_closures:
231 fputs_filtered ("#<CLOSURE ", stream);
232 scm_scmlist_print (SCM_CODE (svalue), stream, format,
233 deref_ref, recurse + 1, pretty);
234 fputs_filtered (">", stream);
238 int len = SCM_LENGTH (svalue);
239 CORE_ADDR addr = (CORE_ADDR) SCM_CDR (svalue);
244 int truncate = print_max && len > (int) print_max;
247 fputs_filtered ("\"", stream);
248 for (; done < len; done += buf_size)
250 buf_size = min (len - done, 64);
251 read_memory (addr + done, buffer, buf_size);
253 for (i = 0; i < buf_size; ++i)
258 fputs_filtered ("\\", stream);
260 fprintf_filtered (stream, "%c", buffer[i]);
263 fputs_filtered (truncate ? "...\"" : "\"", stream);
267 case scm_tcs_symbols:
269 int len = SCM_LENGTH (svalue);
271 char *str = (char *) alloca (len);
272 read_memory (SCM_CDR (svalue), str, len + 1);
273 /* Should handle weird characters FIXME */
275 fputs_filtered (str, stream);
280 int len = SCM_LENGTH (svalue);
282 LONGEST elements = SCM_CDR (svalue);
283 fputs_filtered ("#(", stream);
284 for (i = 0; i < len; ++i)
287 fputs_filtered (" ", stream);
288 scm_scmval_print (scm_get_field (elements, i), stream, format,
289 deref_ref, recurse + 1, pretty);
291 fputs_filtered (")", stream);
299 hook = scm_get_lvector_hook (exp, LV_PRINT_FN);
302 scm_puts ("#<locked-vector ", port);
303 scm_intprint (CDR (exp), 16, port);
304 scm_puts (">", port);
310 scm_listify (exp, port, (writing ? BOOL_T : BOOL_F),
313 if (result == BOOL_F)
325 scm_raprin1 (exp, port, writing);
330 int index = SCM_CAR (svalue) >> 8;
333 sprintf (str, "#%d", index);
335 char *str = index ? SCM_CHARS (scm_heap_org + index) : "";
336 #define SCM_CHARS(x) ((char *)(SCM_CDR(x)))
337 char *str = CHARS (SNAME (exp));
339 fprintf_filtered (stream, "#<primitive-procedure %s>",
346 scm_puts ("#<compiled-closure ", port);
347 scm_iprin1 (CCLO_SUBR (exp), port, writing);
348 scm_putc ('>', port);
352 fprintf_filtered (stream, "#<continuation %d @ #X%lx >",
354 (long) CHARS (svalue));
358 if (i < scm_numptob && scm_ptobs[i].print && (scm_ptobs[i].print) (exp, port, writing))
363 if (i < scm_numsmob && scm_smobs[i].print
364 && (scm_smobs[i].print) (exp, port, writing))
372 scm_ipruk ("type", svalue, stream);
379 scm_val_print (type, valaddr, embedded_offset, address,
380 stream, format, deref_ref, recurse, pretty)
385 struct ui_file *stream;
389 enum val_prettyprint pretty;
391 if (is_scmvalue_type (type))
393 LONGEST svalue = extract_signed_integer (valaddr, TYPE_LENGTH (type));
394 if (scm_inferior_print (svalue, stream, format,
395 deref_ref, recurse, pretty) >= 0)
400 scm_scmval_print (svalue, stream, format,
401 deref_ref, recurse, pretty);
409 return c_val_print (type, valaddr, 0, address, stream, format,
410 deref_ref, recurse, pretty);
415 scm_value_print (val, stream, format, pretty)
417 struct ui_file *stream;
419 enum val_prettyprint pretty;
421 return (val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
422 VALUE_ADDRESS (val), stream, format, 1, 0, pretty));