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/* GDB variable objects API.

   Copyright (C) 1999, 2000, 2001, 2005, 2007, 2008

   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 */

  };

/* Error return values for varobj_update function.  */

enum varobj_update_error

  {

    NOT_IN_SCOPE = -1,          /* varobj not in scope, can not be updated.  */

    TYPE_CHANGED = -2,          /* varobj type has changed.  */

    INVALID = -3,               /* varobj is not valid anymore.  */

  };

/* 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);

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

extern int varobj_get_frozen (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_value (struct varobj *var);

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

extern int varobj_list (struct varobj ***rootlist);

extern int varobj_update (struct varobj **varp, struct varobj ***changelist,

                          int explicit);

extern void varobj_invalidate (void);

extern int varobj_editable_p (struct varobj *var);

#endif /* VAROBJ_H */