aboutsummaryrefslogtreecommitdiff
path: root/gdb/varobj.h
blob: 7297243bd5b7a480df03516432a21b6ae082bbf1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/* GDB variable objects API.
   Copyright (C) 1999, 2000, 2001, 2005, 2007, 2008, 2009
   Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef VAROBJ_H
#define VAROBJ_H 1

#include "symtab.h"
#include "gdbtypes.h"
#include "vec.h"

/* Enumeration for the format types */
enum varobj_display_formats
  {
    FORMAT_NATURAL,		/* What gdb actually calls 'natural' */
    FORMAT_BINARY,		/* Binary display                    */
    FORMAT_DECIMAL,		/* Decimal display                   */
    FORMAT_HEXADECIMAL,		/* Hex display                       */
    FORMAT_OCTAL		/* Octal display                     */
  };

enum varobj_type
  {
    USE_SPECIFIED_FRAME,        /* Use the frame passed to varobj_create */
    USE_CURRENT_FRAME,          /* Use the current frame */
    USE_SELECTED_FRAME          /* Always reevaluate in selected frame */
  };

/* Enumerator describing if a variable object is in scope.  */
enum varobj_scope_status
  {
    VAROBJ_IN_SCOPE = 0,        /* Varobj is scope, value available.  */
    VAROBJ_NOT_IN_SCOPE = 1,    /* Varobj is not in scope, value not available, 
				   but varobj can become in scope later.  */
    VAROBJ_INVALID = 2,         /* Varobj no longer has any value, and never
				   will.  */
  };

/* String representations of gdb's format codes (defined in varobj.c) */
extern char *varobj_format_string[];

/* Languages supported by this variable objects system. */
enum varobj_languages
  {
    vlang_unknown = 0, vlang_c, vlang_cplus, vlang_java, vlang_end
  };

/* String representations of gdb's known languages (defined in varobj.c) */
extern char *varobj_language_string[];

/* Struct thar describes a variable object instance */
struct varobj;

typedef struct varobj *varobj_p;
DEF_VEC_P (varobj_p);

typedef struct varobj_update_result_t
{
  struct varobj *varobj;
  int type_changed;
  int children_changed;
  int changed;
  enum varobj_scope_status status;
  /* This variable is used internally by varobj_update to indicate if the
     new value of varobj is already computed and installed, or has to
     be yet installed.  Don't use this outside varobj.c */
  int value_installed;  
} varobj_update_result;

DEF_VEC_O (varobj_update_result);

/* API functions */

extern struct varobj *varobj_create (char *objname,
				     char *expression, CORE_ADDR frame,
				     enum varobj_type type);

extern char *varobj_gen_name (void);

extern struct varobj *varobj_get_handle (char *name);

extern char *varobj_get_objname (struct varobj *var);

extern char *varobj_get_expression (struct varobj *var);

extern int varobj_delete (struct varobj *var, char ***dellist,
			  int only_children);

extern enum varobj_display_formats varobj_set_display_format (
							 struct varobj *var,
					enum varobj_display_formats format);

extern enum varobj_display_formats varobj_get_display_format (
							struct varobj *var);

extern int varobj_get_thread_id (struct varobj *var);

extern void varobj_set_frozen (struct varobj *var, int frozen);

extern int varobj_get_frozen (struct varobj *var);

extern char *varobj_get_display_hint (struct varobj *var);

extern int varobj_get_num_children (struct varobj *var);

/* Return the list of children of VAR.  The returned vector
   should not be modified in any way.  */
extern VEC (varobj_p)* varobj_list_children (struct varobj *var);

extern char *varobj_get_type (struct varobj *var);

extern struct type *varobj_get_gdb_type (struct varobj *var);

extern char *varobj_get_path_expr (struct varobj *var);

extern enum varobj_languages varobj_get_language (struct varobj *var);

extern int varobj_get_attributes (struct varobj *var);

extern char *varobj_get_formatted_value (struct varobj *var,
					 enum varobj_display_formats format);

extern char *varobj_get_value (struct varobj *var);

extern int varobj_set_value (struct varobj *var, char *expression);

extern void all_root_varobjs (void (*func) (struct varobj *var, void *data),
			      void *data);

extern VEC(varobj_update_result) *varobj_update (struct varobj **varp, 
						 int explicit);

extern void varobj_invalidate (void);

extern int varobj_editable_p (struct varobj *var);

extern int varobj_floating_p (struct varobj *var);

extern void varobj_set_visualizer (struct varobj *var, const char *visualizer);

#endif /* VAROBJ_H */