1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
2 Copyright 1995, 1996, 1998, 1999, 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 #define SCM_NCELLP(x) ((SCM_SIZE-1) & (int)(x))
25 #define SCM_ITAG8_DATA(X) ((X)>>8)
26 #define SCM_ICHR(x) ((unsigned char)SCM_ITAG8_DATA(x))
27 #define SCM_ICHRP(x) (SCM_ITAG8(x) == scm_tc8_char)
28 #define scm_tc8_char 0xf4
29 #define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
30 #define SCM_ISYMNUM(n) ((int)((n)>>9))
31 #define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
32 #define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
33 #define SCM_ITAG8(X) ((int)(X) & 0xff)
34 #define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
35 #define SCM_LENGTH(x) (((unsigned long)SCM_CAR(x))>>8)
36 #define SCM_NCONSP(x) (1 & (int)SCM_CAR(x))
37 #define SCM_NECONSP(x) (SCM_NCONSP(x) && (1 != SCM_TYP3(x)))
38 #define SCM_CAR(x) scm_get_field (x, 0)
39 #define SCM_CDR(x) scm_get_field (x, 1)
40 #define SCM_VELTS(x) ((SCM *)SCM_CDR(x))
41 #define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
42 #define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
43 #define SCM_MAKINUM(x) (((x)<<2)+2L)
45 /* Forward decls for prototypes */
48 extern int scm_value_print (struct value
*, struct ui_file
*,
49 int, enum val_prettyprint
);
51 extern int scm_val_print (struct type
*, char *, int, CORE_ADDR
,
52 struct ui_file
*, int, int, int,
53 enum val_prettyprint
);
55 extern LONGEST
scm_get_field (LONGEST
, int);
57 extern void scm_scmval_print (LONGEST
, struct ui_file
*, int, int, int,
58 enum val_prettyprint
);
60 extern int is_scmvalue_type (struct type
*);
62 extern void scm_printchar (int, struct ui_file
*);
64 extern struct value
*scm_evaluate_string (char *, int);
66 extern struct type
*builtin_type_scm
;
68 extern int scm_parse (void);
70 extern LONGEST
scm_unpack (struct type
*, char *, enum type_code
);
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