#include "defs.h"
#include "mi-cmds.h"
#include "ui-out.h"
#include "mi-out.h"
#include "varobj.h"
#include "value.h"
#include <ctype.h>
#include "gdb_string.h"
#include "frame.h"
extern int varobjdebug;
void mi_report_var_creation (struct ui_out *uiout, struct varobj *var, int is_root);
static int varobj_update_one (struct varobj *var);
static char *typecode_as_string (struct varobj* var);
static struct ui_out *tmp_miout = NULL;
static void prepare_tmp_mi_out (void);
enum mi_cmd_result
mi_cmd_var_create (char *command, char **argv, int argc)
{
CORE_ADDR frameaddr = 0;
struct varobj *var;
char *name;
char *frame;
char *expr;
struct block *block = NULL;
struct cleanup *old_cleanups;
struct cleanup *mi_out_cleanup;
enum varobj_type var_type;
if (argc != 3)
{
error ("mi_cmd_var_create: Usage: NAME FRAME EXPRESSION.");
}
name = xstrdup (argv[0]);
old_cleanups = make_cleanup (free_current_contents, &name);
frame = xstrdup (argv[1]);
old_cleanups = make_cleanup (xfree, frame);
expr = xstrdup (argv[2]);
if (strcmp (name, "-") == 0)
{
xfree (name);
name = varobj_gen_name ();
}
else if (!isalpha (*name))
error ("mi_cmd_var_create: name of object must begin with a letter");
if (strcmp (frame, "*") == 0)
var_type = USE_CURRENT_FRAME;
else if (strcmp (frame, "@") == 0)
var_type = USE_SELECTED_FRAME;
else if (frame[0] == '+')
{
var_type = USE_BLOCK_IN_FRAME;
frameaddr = string_to_core_addr (frame + 1);
block = block_for_pc (frameaddr);
}
else
{
var_type = USE_SPECIFIED_FRAME;
frameaddr = string_to_core_addr (frame);
}
if (varobjdebug)
fprintf_unfiltered (gdb_stdlog,
"Name=\"%s\", Frame=\"%s\" (0x%s), Expression=\"%s\"\n",
name, frame, paddr (frameaddr), expr);
prepare_tmp_mi_out ();
mi_out_cleanup = make_cleanup_restore_uiout (uiout);
uiout = tmp_miout;
var = varobj_create (name, expr, frameaddr, block, var_type);
do_cleanups (mi_out_cleanup);
if (var == NULL)
error ("mi_cmd_var_create: unable to create variable object");
mi_report_var_creation (uiout, var, 1);
do_cleanups (old_cleanups);
return MI_CMD_DONE;
}
void
mi_report_var_creation (struct ui_out *uiout, struct varobj *var, int is_root)
{
char *type;
if (var == NULL)
{
ui_out_field_skip (uiout, "name");
if (!is_root)
ui_out_field_skip (uiout, "exp");
ui_out_field_skip (uiout, "numchild");
ui_out_field_skip (uiout, "type");
ui_out_field_skip (uiout, "dynamic_type");
ui_out_field_skip (uiout, "typecode");
if (is_root)
ui_out_field_skip (uiout, "in_scope");
return;
}
ui_out_field_string (uiout, "name", varobj_get_objname (var));
if (!is_root)
ui_out_field_string (uiout, "exp", varobj_get_expression (var));
ui_out_field_int (uiout, "numchild", varobj_get_num_children (var));
type = varobj_get_type (var);
if (type == NULL)
{
if (varobj_is_fake_child (var))
{
ui_out_field_string (uiout, "type", "");
ui_out_field_string (uiout, "typecode", "FAKE_CHILD");
}
else
{
ui_out_field_string (uiout, "type", "");
ui_out_field_string (uiout, "typecode", "UNDEF");
}
}
else
{
char *typecode;
ui_out_field_string (uiout, "type", type);
typecode = typecode_as_string (var);
ui_out_field_string (uiout, "typecode", typecode);
xfree (type);
}
type = varobj_get_dynamic_type (var);
if (type == NULL)
{
ui_out_field_string (uiout, "dynamic_type", "");
}
else
{
ui_out_field_string (uiout, "dynamic_type", type);
xfree (type);
}
if (is_root)
{
CORE_ADDR block_start, block_end;
if (varobj_in_scope_p (var))
ui_out_field_string (uiout, "in_scope", "true");
else
ui_out_field_string (uiout, "in_scope", "false");
varobj_get_valid_block (var, &block_start, &block_end);
if (block_start == (CORE_ADDR) -1)
{
ui_out_field_string (uiout, "block_start_addr", "no block");
ui_out_field_string (uiout, "block_end_addr", "no block");
}
else
{
ui_out_field_core_addr (uiout, "block_start_addr", block_start);
ui_out_field_core_addr (uiout, "block_end_addr", block_end);
}
}
}
static char *
typecode_as_string (struct varobj *var)
{
enum type_code type_code;
char *type_code_as_str;
struct type* type;
type = varobj_get_type_struct (var);
if (type == NULL)
type_code = TYPE_CODE_UNDEF;
else
type_code = TYPE_CODE (type);
switch (type_code)
{
case TYPE_CODE_UNDEF:
type_code_as_str = "UNDEF";
break;
case TYPE_CODE_PTR:
type_code_as_str = "PTR";
break;
case TYPE_CODE_ARRAY:
type_code_as_str = "ARRAY";
break;
case TYPE_CODE_STRUCT:
type_code_as_str = "STRUCT";
break;
case TYPE_CODE_UNION:
type_code_as_str = "UNION";
break;
case TYPE_CODE_ENUM:
type_code_as_str = "ENUM";
break;
case TYPE_CODE_FUNC:
type_code_as_str = "FUNC";
break;
case TYPE_CODE_INT:
type_code_as_str = "INT";
break;
case TYPE_CODE_FLT:
type_code_as_str = "FLT";
break;
case TYPE_CODE_VOID:
type_code_as_str = "VOID";
break;
case TYPE_CODE_SET:
type_code_as_str = "SET";
break;
case TYPE_CODE_RANGE:
type_code_as_str = "RANGE";
break;
case TYPE_CODE_BITSTRING:
type_code_as_str = "BITSTRING";
break;
case TYPE_CODE_ERROR:
type_code_as_str = "ERROR";
break;
case TYPE_CODE_MEMBER:
type_code_as_str = "MEMBER";
break;
case TYPE_CODE_METHOD:
type_code_as_str = "METHOD";
break;
case TYPE_CODE_REF:
type_code_as_str = "REF";
break;
case TYPE_CODE_CHAR:
type_code_as_str = "CHAR";
break;
case TYPE_CODE_BOOL:
type_code_as_str = "BOOL";
break;
case TYPE_CODE_COMPLEX:
type_code_as_str = "COMPLEX";
break;
case TYPE_CODE_TYPEDEF:
type_code_as_str = "TYPEDEF";
break;
case TYPE_CODE_TEMPLATE:
type_code_as_str = "TEMPLATE";
break;
case TYPE_CODE_TEMPLATE_ARG:
type_code_as_str = "TEMPLATE_ARG";
break;
default:
type_code_as_str = "UNKNOWN";
}
return type_code_as_str;
}
enum mi_cmd_result
mi_cmd_var_delete (char *command, char **argv, int argc)
{
char *name;
char *expr;
struct varobj *var;
int numdel;
int children_only_p = 0;
struct cleanup *old_cleanups;
if (argc < 1 || argc > 2)
error ("mi_cmd_var_delete: Usage: [-c] EXPRESSION.");
name = xstrdup (argv[0]);
old_cleanups = make_cleanup (free_current_contents, &name);
if (argc == 1)
{
if (strcmp (name, "-c") == 0)
error ("mi_cmd_var_delete: Missing required argument after %s",
"'-c': variable object name");
if (*name == '-')
error ("mi_cmd_var_delete: Illegal variable object name");
}
if (argc == 2)
{
expr = xstrdup (argv[1]);
if (strcmp (name, "-c") != 0)
error ("mi_cmd_var_delete: Invalid option.");
children_only_p = 1;
xfree (name);
name = xstrdup (expr);
xfree (expr);
}
var = varobj_get_handle (name);
if (var == NULL)
error ("mi_cmd_var_delete: Variable object not found.");
numdel = varobj_delete (var, NULL, children_only_p);
ui_out_field_int (uiout, "ndeleted", numdel);
do_cleanups (old_cleanups);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_set_format (char *command, char **argv, int argc)
{
enum varobj_display_formats format;
int len;
struct varobj *var;
char *formspec;
if (argc != 2)
error ("mi_cmd_var_set_format: Usage: NAME FORMAT.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_set_format: Variable object not found");
formspec = xstrdup (argv[1]);
if (formspec == NULL)
error ("mi_cmd_var_set_format: Must specify the format as: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", \"unsigned\", or \"octal\"");
len = strlen (formspec);
if (STREQN (formspec, "natural", len))
format = FORMAT_NATURAL;
else if (STREQN (formspec, "binary", len))
format = FORMAT_BINARY;
else if (STREQN (formspec, "decimal", len))
format = FORMAT_DECIMAL;
else if (STREQN (formspec, "hexadecimal", len))
format = FORMAT_HEXADECIMAL;
else if (STREQN (formspec, "octal", len))
format = FORMAT_OCTAL;
else if (STREQN (formspec, "unsigned", len))
format = FORMAT_UNSIGNED;
else
error ("mi_cmd_var_set_format: Unknown display format: must be: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", \"unsigned\", or \"octal\"");
varobj_set_display_format (var, format);
ui_out_field_string (uiout, "format", varobj_format_string[(int) format]);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_show_format (char *command, char **argv, int argc)
{
enum varobj_display_formats format;
struct varobj *var;
if (argc != 1)
error ("mi_cmd_var_show_format: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_show_format: Variable object not found");
format = varobj_get_display_format (var);
ui_out_field_string (uiout, "format", varobj_format_string[(int) format]);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_info_num_children (char *command, char **argv, int argc)
{
struct varobj *var;
if (argc != 1)
error ("mi_cmd_var_info_num_children: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_info_num_children: Variable object not found");
ui_out_field_int (uiout, "numchild", varobj_get_num_children (var));
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_list_children (char *command, char **argv, int argc)
{
struct varobj *var;
struct varobj **childlist;
struct varobj **cc;
int numchild;
int print_value = 0;
struct cleanup *cleanup_children = NULL;
if (argc == 0 || argc > 2)
error ("mi_cmd_var_list_children: Usage: NAME [SHOW_VALUE].");
if (argc == 2)
print_value = atoi(argv[1]);
else
print_value = 0;
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_list_children: Variable object not found");
numchild = varobj_list_children (var, &childlist);
ui_out_field_int (uiout, "numchild", numchild);
if (numchild <= 0)
return MI_CMD_DONE;
cleanup_children = make_cleanup_ui_out_list_begin_end (uiout, "children");
cc = childlist;
while (*cc != NULL)
{
struct cleanup *cleanup_child;
cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child");
mi_report_var_creation (uiout, *cc, 0);
if (print_value)
ui_out_field_string (uiout, "value", varobj_get_value (*cc));
do_cleanups (cleanup_child);
cc++;
}
do_cleanups (cleanup_children);
xfree (childlist);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_info_type (char *command, char **argv, int argc)
{
struct varobj *var;
char *type;
if (argc != 1)
error ("mi_cmd_var_info_type: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_info_type: Variable object not found");
type = varobj_get_type (var);
if (type)
{
ui_out_field_string (uiout, "type", type);
xfree (type);
}
else
ui_out_field_skip (uiout, type);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_info_path_expression (char *command, char **argv, int argc)
{
struct varobj *var;
char *path_expr;
if (argc != 1)
error ("mi_cmd_var_info_path_expression: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_info_path_expression: Variable object not found");
path_expr = varobj_get_path_expr (var);
ui_out_field_string (uiout, "path_expr", path_expr);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_info_block (char *command, char **argv, int argc)
{
struct varobj *var;
CORE_ADDR block_start, block_end;
struct symtab_and_line sal;
if (argc != 1)
error ("mi_cmd_var_info_type: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_info_type: Variable object not found");
varobj_get_valid_block (var, &block_start, &block_end);
sal = find_pc_line (block_start, 0);
if (sal.line > 0)
ui_out_field_int (uiout, "block_start_line", sal.line);
ui_out_field_core_addr (uiout, "block_start_addr", block_start);
sal = find_pc_line (block_end, 1);
if (sal.line > 0)
ui_out_field_int (uiout, "block_end_line", sal.line);
ui_out_field_core_addr (uiout, "block_end_addr", block_end);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_info_expression (char *command, char **argv, int argc)
{
enum varobj_languages lang;
struct varobj *var;
if (argc != 1)
error ("mi_cmd_var_info_expression: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_info_expression: Variable object not found");
lang = varobj_get_language (var);
ui_out_field_string (uiout, "lang", varobj_language_string[(int) lang]);
ui_out_field_string (uiout, "exp", varobj_get_expression (var));
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_show_attributes (char *command, char **argv, int argc)
{
int attr;
char *attstr;
struct varobj *var;
if (argc != 1)
error ("mi_cmd_var_show_attributes: Usage: NAME.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_show_attributes: Variable object not found");
attr = varobj_get_attributes (var);
if (attr & 0x00000001)
attstr = "editable";
else
attstr = "noneditable";
ui_out_field_string (uiout, "attr", attstr);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_evaluate_expression (char *command, char **argv, int argc)
{
struct varobj *var;
int unwinding_was_requested = 0;
char *expr;
struct cleanup *old_chain = NULL;
if (argc == 1)
{
expr = argv[0];
}
else if (argc == 2)
{
if (strcmp (argv[0], "-u") != 0)
error ("mi_cmd_var_evaluate_expression: Usage: [-u] NAME.");
else
{
unwinding_was_requested = 1;
expr = argv[1];
}
}
else
error ("mi_cmd_var_evaluate_expression: Usage: [-u] NAME.");
old_chain = make_cleanup (null_cleanup, NULL);
if (unwinding_was_requested)
make_cleanup (set_unwind_on_signal, set_unwind_on_signal (1));
var = varobj_get_handle (expr);
if (var == NULL)
error ("mi_cmd_var_evaluate_expression: Variable object not found");
ui_out_field_string (uiout, "value", varobj_get_value (var));
do_cleanups (old_chain);
return MI_CMD_DONE;
}
enum mi_cmd_result
mi_cmd_var_assign (char *command, char **argv, int argc)
{
struct varobj *var;
char *expression;
if (argc != 2)
error ("mi_cmd_var_assign: Usage: NAME EXPRESSION.");
var = varobj_get_handle (argv[0]);
if (var == NULL)
error ("mi_cmd_var_assign: Variable object not found");
if (!(varobj_get_attributes (var) & 0x00000001))
error ("mi_cmd_var_assign: Variable object is not editable");
expression = xstrdup (argv[1]);
if (!varobj_set_value (var, expression))
error ("mi_cmd_var_assign: Could not assign expression to varible object");
ui_out_field_string (uiout, "value", varobj_get_value (var));
return MI_CMD_DONE;
}
void
prepare_tmp_mi_out ()
{
if (tmp_miout == NULL)
tmp_miout = mi_out_new (mi_version (uiout));
else if (mi_version (tmp_miout) != mi_version (uiout))
{
ui_out_delete (tmp_miout);
tmp_miout = mi_out_new (mi_version (uiout));
}
}
enum mi_cmd_result
mi_cmd_var_update (char *command, char **argv, int argc)
{
struct varobj *var;
struct varobj **rootlist;
struct varobj **cr;
struct cleanup *cleanup;
int nv;
if (argc == 0)
error ("mi_cmd_var_update: Usage: NAME [NAME...].");
prepare_tmp_mi_out ();
if ((argc == 1) && (*argv[0] == '*') && (*(argv[0] + 1) == '\0'))
{
nv = varobj_list (&rootlist);
cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist");
if (nv <= 0)
{
do_cleanups (cleanup);
return MI_CMD_DONE;
}
cr = rootlist;
while (*cr != NULL)
{
varobj_update_one (*cr);
cr++;
}
xfree (rootlist);
do_cleanups (cleanup);
}
else
{
int i;
cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist");
for (i = 0; i < argc; i++)
{
var = varobj_get_handle (argv[i]);
if (var == NULL)
error ("mi_cmd_var_update: Variable object \"%s\" not found.",
argv[i]);
varobj_update_one (var);
}
do_cleanups (cleanup);
}
return MI_CMD_DONE;
}
static int
varobj_update_one (struct varobj *var)
{
struct varobj_changelist *changelist;
struct cleanup *cleanup;
int nc;
cleanup = make_cleanup_restore_uiout (uiout);
uiout = tmp_miout;
nc = varobj_update (&var, &changelist);
do_cleanups (cleanup);
if (nc == 0)
return 1;
else if (nc == -1 || nc == -3)
{
cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "varobj");
ui_out_field_string (uiout, "name", varobj_get_objname(var));
ui_out_field_string (uiout, "in_scope", "false");
do_cleanups (cleanup);
return -1;
}
else if (nc == -2)
{
char *typecode;
char *type;
cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "varobj");
ui_out_field_string (uiout, "name", varobj_get_objname (var));
ui_out_field_string (uiout, "in_scope", "true");
ui_out_field_string (uiout, "type_changed", "true");
type = varobj_get_type (var);
if (type)
{
ui_out_field_string (uiout, "new_type", type);
xfree (type);
}
else
ui_out_field_skip (uiout, "new_type");
type = varobj_get_dynamic_type (var);
if (type)
{
ui_out_field_string (uiout, "new_dynamic_type", type);
xfree (type);
}
else
ui_out_field_skip (uiout, "new_dynamic_type");
typecode = typecode_as_string (var);
ui_out_field_string (uiout, "new_typecode", typecode);
ui_out_field_int (uiout, "new_num_children",
varobj_get_num_children(var));
do_cleanups (cleanup);
}
else
{
struct varobj *var;
enum varobj_type_change type_changed;
var = varobj_changelist_pop (changelist, &type_changed);
while (var != NULL)
{
cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "varobj");
ui_out_field_string (uiout, "name", varobj_get_objname (var));
ui_out_field_string (uiout, "in_scope", "true");
if (type_changed == VAROBJ_TYPE_UNCHANGED)
ui_out_field_string (uiout, "type_changed", "false");
else
{
ui_out_field_string (uiout, "type_changed", "true");
ui_out_field_string (uiout, "new_dynamic_type",
varobj_get_dynamic_type (var));
ui_out_field_int (uiout, "new_num_children",
varobj_get_num_children(var));
}
do_cleanups (cleanup);
var = varobj_changelist_pop (changelist, &type_changed);
}
return 1;
}
return 1;
}