xref: /dragonfly/contrib/gdb-7/gdb/valprint.h (revision 36a3d1d6)
1 /* Declarations for value printing routines for GDB, the GNU debugger.
2 
3    Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 2000, 2005, 2007,
4    2008, 2009 Free Software Foundation, Inc.
5 
6    This file is part of GDB.
7 
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.
12 
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.
17 
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/>.  */
20 
21 #ifndef VALPRINT_H
22 #define VALPRINT_H
23 
24 /* This is used to pass formatting options to various value-printing
25    functions.  */
26 struct value_print_options
27 {
28   /* Pretty-printing control.  */
29   enum val_prettyprint pretty;
30 
31   /* Controls pretty printing of arrays.  */
32   int prettyprint_arrays;
33 
34   /* Controls pretty printing of structures.  */
35   int prettyprint_structs;
36 
37   /* Controls printing of virtual tables.  */
38   int vtblprint;
39 
40   /* Controls printing of nested unions.  */
41   int unionprint;
42 
43   /* Controls printing of addresses.  */
44   int addressprint;
45 
46   /* Controls looking up an object's derived type using what we find
47      in its vtables.  */
48   int objectprint;
49 
50   /* Maximum number of chars to print for a string pointer value or vector
51      contents, or UINT_MAX for no limit.  Note that "set print elements 0"
52      stores UINT_MAX in print_max, which displays in a show command as
53      "unlimited". */
54   unsigned int print_max;
55 
56   /* Print repeat counts if there are more than this many repetitions
57      of an element in an array.  */
58   unsigned int repeat_count_threshold;
59 
60   /* The global output format letter.  */
61   int output_format;
62 
63   /* The current format letter.  This is set locally for a given call,
64      e.g. when the user passes a format to "print".  */
65   int format;
66 
67   /* Stop printing at null character?  */
68   int stop_print_at_null;
69 
70   /* True if this value is being printed in an epoch window.  */
71   int inspect_it;
72 
73   /* True if we should print the index of each element when printing
74      an array.  */
75   int print_array_indexes;
76 
77   /* If nonzero, then dereference references, otherwise just print
78      them like pointers.  */
79   int deref_ref;
80 
81   /* If nonzero, print static fields.  */
82   int static_field_print;
83 
84   /* If nonzero, print static fields for Pascal.  FIXME: C++ and Java
85      share one flag, why not Pascal too?  */
86   int pascal_static_field_print;
87 
88   /* Controls Python pretty-printing.  */
89   int raw;
90 
91   /* If nonzero, print the value in "summary" form.  */
92   int summary;
93 };
94 
95 /* The global print options set by the user.  In general this should
96    not be directly accessed, except by set/show commands.  Ordinary
97    code should call get_user_print_options instead.  */
98 extern struct value_print_options user_print_options;
99 
100 /* Initialize *OPTS to be a copy of the user print options.  */
101 extern void get_user_print_options (struct value_print_options *opts);
102 
103 /* Initialize *OPTS to be a copy of the user print options, but with
104    pretty-printing disabled.  */
105 extern void get_raw_print_options (struct value_print_options *opts);
106 
107 /* Initialize *OPTS to be a copy of the user print options, but using
108    FORMAT as the formatting option.  */
109 extern void get_formatted_print_options (struct value_print_options *opts,
110 					 char format);
111 
112 extern int get_array_bounds (struct type *type, long *low_bound,
113 			     long *high_bound);
114 
115 extern void maybe_print_array_index (struct type *index_type, LONGEST index,
116                                      struct ui_file *stream,
117 				     const struct value_print_options *options);
118 
119 extern void val_print_array_elements (struct type *, const gdb_byte *,
120 				      CORE_ADDR, struct ui_file *, int,
121 				      const struct value_print_options *,
122 				      unsigned int);
123 
124 extern void val_print_type_code_int (struct type *, const gdb_byte *,
125 				     struct ui_file *);
126 
127 extern void val_print_type_code_flags (struct type *type,
128 				       const gdb_byte *valaddr,
129 				       struct ui_file *stream);
130 
131 extern void print_binary_chars (struct ui_file *, const gdb_byte *,
132 				unsigned int, enum bfd_endian);
133 
134 extern void print_octal_chars (struct ui_file *, const gdb_byte *,
135 			       unsigned int, enum bfd_endian);
136 
137 extern void print_decimal_chars (struct ui_file *, const gdb_byte *,
138 				 unsigned int, enum bfd_endian);
139 
140 extern void print_hex_chars (struct ui_file *, const gdb_byte *,
141 			     unsigned int, enum bfd_endian);
142 
143 extern void print_char_chars (struct ui_file *, struct type *,
144 			      const gdb_byte *, unsigned int, enum bfd_endian);
145 
146 int read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
147 		 enum bfd_endian byte_order, gdb_byte **buffer,
148 		 int *bytes_read);
149 
150 #endif
151