binutils-gdb/gdb/varobj.h

155 lines
4.8 KiB
C

/* 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 */