/* MI Command Set - varobj commands.
-
- Copyright 2000, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "mi-cmds.h"
+#include "mi-main.h"
#include "ui-out.h"
#include "mi-out.h"
#include "varobj.h"
+#include "language.h"
#include "value.h"
#include <ctype.h>
-#include "gdb_string.h"
+#include "mi-getopt.h"
+#include "gdbthread.h"
+#include "mi-parse.h"
+
+extern unsigned int varobjdebug; /* defined in varobj.c. */
+
+static void varobj_update_one (struct varobj *var,
+ enum print_values print_values,
+ int explicit);
+
+static int mi_print_value_p (struct varobj *var,
+ enum print_values print_values);
+
+/* Print variable object VAR. The PRINT_VALUES parameter controls
+ if the value should be printed. The PRINT_EXPRESSION parameter
+ controls if the expression should be printed. */
+
+static void
+print_varobj (struct varobj *var, enum print_values print_values,
+ int print_expression)
+{
+ struct ui_out *uiout = current_uiout;
+ char *type;
+ int thread_id;
+ char *display_hint;
-extern int varobjdebug; /* defined in varobj.c */
+ ui_out_field_string (uiout, "name", varobj_get_objname (var));
+ if (print_expression)
+ ui_out_field_string (uiout, "exp", varobj_get_expression (var));
+ ui_out_field_int (uiout, "numchild", varobj_get_num_children (var));
+
+ if (mi_print_value_p (var, print_values))
+ {
+ char *val = varobj_get_value (var);
-static int varobj_update_one (struct varobj *var);
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+ }
+
+ type = varobj_get_type (var);
+ if (type != NULL)
+ {
+ ui_out_field_string (uiout, "type", type);
+ xfree (type);
+ }
+
+ thread_id = varobj_get_thread_id (var);
+ if (thread_id > 0)
+ ui_out_field_int (uiout, "thread-id", thread_id);
+
+ if (varobj_get_frozen (var))
+ ui_out_field_int (uiout, "frozen", 1);
+
+ display_hint = varobj_get_display_hint (var);
+ if (display_hint)
+ {
+ ui_out_field_string (uiout, "displayhint", display_hint);
+ xfree (display_hint);
+ }
+
+ if (varobj_is_dynamic_p (var))
+ ui_out_field_int (uiout, "dynamic", 1);
+}
/* VAROBJ operations */
-enum mi_cmd_result
+void
mi_cmd_var_create (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
CORE_ADDR frameaddr = 0;
struct varobj *var;
char *name;
char *frame;
char *expr;
- char *type;
struct cleanup *old_cleanups;
enum varobj_type var_type;
if (argc != 3)
- {
- /* mi_error_message = xstrprintf ("mi_cmd_var_create: Usage:
- ...."); return MI_CMD_ERROR; */
- error (_("mi_cmd_var_create: Usage: NAME FRAME EXPRESSION."));
- }
+ error (_("-var-create: Usage: NAME FRAME EXPRESSION."));
name = xstrdup (argv[0]);
- /* Add cleanup for name. Must be free_current_contents as
- name can be reallocated */
+ /* Add cleanup for name. Must be free_current_contents as name can
+ be reallocated. */
old_cleanups = make_cleanup (free_current_contents, &name);
frame = xstrdup (argv[1]);
- old_cleanups = make_cleanup (xfree, frame);
+ make_cleanup (xfree, frame);
expr = xstrdup (argv[2]);
+ make_cleanup (xfree, expr);
if (strcmp (name, "-") == 0)
{
name = varobj_gen_name ();
}
else if (!isalpha (*name))
- error (_("mi_cmd_var_create: name of object must begin with a letter"));
+ error (_("-var-create: name of object must begin with a letter"));
if (strcmp (frame, "*") == 0)
var_type = USE_CURRENT_FRAME;
if (varobjdebug)
fprintf_unfiltered (gdb_stdlog,
- "Name=\"%s\", Frame=\"%s\" (0x%s), Expression=\"%s\"\n",
- name, frame, paddr (frameaddr), expr);
+ "Name=\"%s\", Frame=\"%s\" (%s), Expression=\"%s\"\n",
+ name, frame, hex_string (frameaddr), expr);
var = varobj_create (name, expr, frameaddr, var_type);
if (var == NULL)
- error (_("mi_cmd_var_create: unable to create variable object"));
+ error (_("-var-create: unable to create variable object"));
- ui_out_field_string (uiout, "name", name);
- ui_out_field_int (uiout, "numchild", varobj_get_num_children (var));
- type = varobj_get_type (var);
- if (type == NULL)
- ui_out_field_string (uiout, "type", "");
- else
- {
- ui_out_field_string (uiout, "type", type);
- xfree (type);
- }
+ print_varobj (var, PRINT_ALL_VALUES, 0 /* don't print expression */);
+
+ ui_out_field_int (uiout, "has_more", varobj_has_more (var, 0));
do_cleanups (old_cleanups);
- return MI_CMD_DONE;
}
-enum mi_cmd_result
+void
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;
+ struct ui_out *uiout = current_uiout;
if (argc < 1 || argc > 2)
- error (_("mi_cmd_var_delete: Usage: [-c] EXPRESSION."));
+ error (_("-var-delete: Usage: [-c] EXPRESSION."));
name = xstrdup (argv[0]);
- /* Add cleanup for name. Must be free_current_contents as
- name can be reallocated */
+ /* Add cleanup for name. Must be free_current_contents as name can
+ be reallocated. */
old_cleanups = make_cleanup (free_current_contents, &name);
/* If we have one single argument it cannot be '-c' or any string
- starting with '-'. */
+ starting with '-'. */
if (argc == 1)
{
if (strcmp (name, "-c") == 0)
- error (_("mi_cmd_var_delete: Missing required argument after '-c': variable object name"));
+ error (_("-var-delete: Missing required "
+ "argument after '-c': variable object name"));
if (*name == '-')
- error (_("mi_cmd_var_delete: Illegal variable object name"));
+ error (_("-var-delete: Illegal variable object name"));
}
/* If we have 2 arguments they must be '-c' followed by a string
- which would be the variable name. */
+ which would be the variable name. */
if (argc == 2)
{
- expr = xstrdup (argv[1]);
if (strcmp (name, "-c") != 0)
- error (_("mi_cmd_var_delete: Invalid option."));
+ error (_("-var-delete: Invalid option."));
children_only_p = 1;
- xfree (name);
- name = xstrdup (expr);
- xfree (expr);
+ do_cleanups (old_cleanups);
+ name = xstrdup (argv[1]);
+ old_cleanups = make_cleanup (free_current_contents, &name);
}
/* If we didn't error out, now NAME contains the name of the
- variable. */
+ variable. */
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
+/* Parse a string argument into a format value. */
+
+static enum varobj_display_formats
+mi_parse_format (const char *arg)
+{
+ if (arg != NULL)
+ {
+ int len;
+
+ len = strlen (arg);
+
+ if (strncmp (arg, "natural", len) == 0)
+ return FORMAT_NATURAL;
+ else if (strncmp (arg, "binary", len) == 0)
+ return FORMAT_BINARY;
+ else if (strncmp (arg, "decimal", len) == 0)
+ return FORMAT_DECIMAL;
+ else if (strncmp (arg, "hexadecimal", len) == 0)
+ return FORMAT_HEXADECIMAL;
+ else if (strncmp (arg, "octal", len) == 0)
+ return FORMAT_OCTAL;
+ }
+
+ error (_("Must specify the format as: \"natural\", "
+ "\"binary\", \"decimal\", \"hexadecimal\", or \"octal\""));
+}
+
+void
mi_cmd_var_set_format (char *command, char **argv, int argc)
{
enum varobj_display_formats format;
- int len;
struct varobj *var;
- char *formspec;
+ char *val;
+ struct ui_out *uiout = current_uiout;
if (argc != 2)
- error (_("mi_cmd_var_set_format: Usage: NAME FORMAT."));
+ error (_("-var-set-format: Usage: NAME FORMAT."));
+
+ /* Get varobj handle, if a valid var obj name was specified. */
+ var = varobj_get_handle (argv[0]);
+
+ format = mi_parse_format (argv[1]);
+
+ /* Set the format of VAR to the given format. */
+ varobj_set_display_format (var, format);
+
+ /* Report the new current format. */
+ ui_out_field_string (uiout, "format", varobj_format_string[(int) format]);
+
+ /* Report the value in the new format. */
+ val = varobj_get_value (var);
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+}
+
+void
+mi_cmd_var_set_visualizer (char *command, char **argv, int argc)
+{
+ struct varobj *var;
+
+ if (argc != 2)
+ error (_("Usage: NAME VISUALIZER_FUNCTION."));
- /* Get varobj handle, if a valid var obj name was specified */
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\", or \"octal\""));
-
- len = strlen (formspec);
-
- if (strncmp (formspec, "natural", len) == 0)
- format = FORMAT_NATURAL;
- else if (strncmp (formspec, "binary", len) == 0)
- format = FORMAT_BINARY;
- else if (strncmp (formspec, "decimal", len) == 0)
- format = FORMAT_DECIMAL;
- else if (strncmp (formspec, "hexadecimal", len) == 0)
- format = FORMAT_HEXADECIMAL;
- else if (strncmp (formspec, "octal", len) == 0)
- format = FORMAT_OCTAL;
+ error (_("Variable object not found"));
+
+ varobj_set_visualizer (var, argv[1]);
+}
+
+void
+mi_cmd_var_set_frozen (char *command, char **argv, int argc)
+{
+ struct varobj *var;
+ int frozen;
+
+ if (argc != 2)
+ error (_("-var-set-format: Usage: NAME FROZEN_FLAG."));
+
+ var = varobj_get_handle (argv[0]);
+
+ if (strcmp (argv[1], "0") == 0)
+ frozen = 0;
+ else if (strcmp (argv[1], "1") == 0)
+ frozen = 1;
else
- error (_("mi_cmd_var_set_format: Unknown display format: must be: \"natural\", \"binary\", \"decimal\", \"hexadecimal\", or \"octal\""));
+ error (_("Invalid flag value"));
- /* Set the format of VAR to given format */
- varobj_set_display_format (var, format);
+ varobj_set_frozen (var, frozen);
- /* Report the new current format */
- ui_out_field_string (uiout, "format", varobj_format_string[(int) format]);
- return MI_CMD_DONE;
+ /* We don't automatically return the new value, or what varobjs got
+ new values during unfreezing. If this information is required,
+ client should call -var-update explicitly. */
}
-enum mi_cmd_result
+void
mi_cmd_var_show_format (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
enum varobj_display_formats format;
struct varobj *var;
if (argc != 1)
- error (_("mi_cmd_var_show_format: Usage: NAME."));
+ error (_("-var-show-format: Usage: NAME."));
- /* Get varobj handle, if a valid var obj name was specified */
+ /* Get varobj handle, if a valid var obj name was specified. */
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);
- /* Report the current format */
+ /* Report the current format. */
ui_out_field_string (uiout, "format", varobj_format_string[(int) format]);
- return MI_CMD_DONE;
}
-enum mi_cmd_result
+void
mi_cmd_var_info_num_children (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
struct varobj *var;
if (argc != 1)
- error (_("mi_cmd_var_info_num_children: Usage: NAME."));
+ error (_("-var-info-num-children: Usage: NAME."));
- /* Get varobj handle, if a valid var obj name was specified */
+ /* Get varobj handle, if a valid var obj name was specified. */
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
+/* Return 1 if given the argument PRINT_VALUES we should display
+ the varobj VAR. */
+
+static int
+mi_print_value_p (struct varobj *var, enum print_values print_values)
+{
+ struct type *type;
+
+ if (print_values == PRINT_NO_VALUES)
+ return 0;
+
+ if (print_values == PRINT_ALL_VALUES)
+ return 1;
+
+ if (varobj_is_dynamic_p (var))
+ return 1;
+
+ type = varobj_get_gdb_type (var);
+ if (type == NULL)
+ return 1;
+ else
+ {
+ type = check_typedef (type);
+
+ /* For PRINT_SIMPLE_VALUES, only print the value if it has a type
+ and that type is not a compound type. */
+ return (TYPE_CODE (type) != TYPE_CODE_ARRAY
+ && TYPE_CODE (type) != TYPE_CODE_STRUCT
+ && TYPE_CODE (type) != TYPE_CODE_UNION);
+ }
+}
+
+void
mi_cmd_var_list_children (char *command, char **argv, int argc)
{
- struct varobj *var;
- struct varobj **childlist;
- struct varobj **cc;
- struct cleanup *cleanup_children;
- int numchild;
- char *type;
+ struct ui_out *uiout = current_uiout;
+ struct varobj *var;
+ VEC(varobj_p) *children;
+ struct varobj *child;
enum print_values print_values;
+ int ix;
+ int from, to;
+ char *display_hint;
- if (argc != 1 && argc != 2)
- error (_("mi_cmd_var_list_children: Usage: [PRINT_VALUES] NAME"));
+ if (argc < 1 || argc > 4)
+ error (_("-var-list-children: Usage: "
+ "[PRINT_VALUES] NAME [FROM TO]"));
- /* Get varobj handle, if a valid var obj name was specified */
- if (argc == 1) var = varobj_get_handle (argv[0]);
- else var = varobj_get_handle (argv[1]);
- if (var == NULL)
- error (_("Variable object not found"));
+ /* Get varobj handle, if a valid var obj name was specified. */
+ if (argc == 1 || argc == 3)
+ var = varobj_get_handle (argv[0]);
+ else
+ var = varobj_get_handle (argv[1]);
- numchild = varobj_list_children (var, &childlist);
- ui_out_field_int (uiout, "numchild", numchild);
- if (argc == 2)
- if (strcmp (argv[0], "0") == 0
- || strcmp (argv[0], "--no-values") == 0)
- print_values = PRINT_NO_VALUES;
- else if (strcmp (argv[0], "1") == 0
- || strcmp (argv[0], "--all-values") == 0)
- print_values = PRINT_ALL_VALUES;
- else
- error (_("Unknown value for PRINT_VALUES: must be: 0 or \"--no-values\", 1 or \"--all-values\""));
- else print_values = PRINT_NO_VALUES;
-
- if (numchild <= 0)
- return MI_CMD_DONE;
-
- if (mi_version (uiout) == 1)
- cleanup_children = make_cleanup_ui_out_tuple_begin_end (uiout, "children");
+ if (argc > 2)
+ {
+ from = atoi (argv[argc - 2]);
+ to = atoi (argv[argc - 1]);
+ }
+ else
+ {
+ from = -1;
+ to = -1;
+ }
+
+ children = varobj_list_children (var, &from, &to);
+ ui_out_field_int (uiout, "numchild", to - from);
+ if (argc == 2 || argc == 4)
+ print_values = mi_parse_print_values (argv[0]);
else
- cleanup_children = make_cleanup_ui_out_list_begin_end (uiout, "children");
- cc = childlist;
- while (*cc != NULL)
+ print_values = PRINT_NO_VALUES;
+
+ display_hint = varobj_get_display_hint (var);
+ if (display_hint)
{
- struct cleanup *cleanup_child;
- cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child");
- ui_out_field_string (uiout, "name", varobj_get_objname (*cc));
- ui_out_field_string (uiout, "exp", varobj_get_expression (*cc));
- ui_out_field_int (uiout, "numchild", varobj_get_num_children (*cc));
- if (print_values)
- ui_out_field_string (uiout, "value", varobj_get_value (*cc));
- type = varobj_get_type (*cc);
- /* C++ pseudo-variables (public, private, protected) do not have a type */
- if (type)
- ui_out_field_string (uiout, "type", varobj_get_type (*cc));
- do_cleanups (cleanup_child);
- cc++;
+ ui_out_field_string (uiout, "displayhint", display_hint);
+ xfree (display_hint);
}
- do_cleanups (cleanup_children);
- xfree (childlist);
- return MI_CMD_DONE;
+
+ if (from < to)
+ {
+ struct cleanup *cleanup_children;
+
+ if (mi_version (uiout) == 1)
+ cleanup_children
+ = make_cleanup_ui_out_tuple_begin_end (uiout, "children");
+ else
+ cleanup_children
+ = make_cleanup_ui_out_list_begin_end (uiout, "children");
+ for (ix = from;
+ ix < to && VEC_iterate (varobj_p, children, ix, child);
+ ++ix)
+ {
+ struct cleanup *cleanup_child;
+
+ cleanup_child = make_cleanup_ui_out_tuple_begin_end (uiout, "child");
+ print_varobj (child, print_values, 1 /* print expression */);
+ do_cleanups (cleanup_child);
+ }
+ do_cleanups (cleanup_children);
+ }
+
+ ui_out_field_int (uiout, "has_more", varobj_has_more (var, to));
}
-enum mi_cmd_result
+void
mi_cmd_var_info_type (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
struct varobj *var;
if (argc != 1)
- error (_("mi_cmd_var_info_type: Usage: NAME."));
+ error (_("-var-info-type: Usage: NAME."));
- /* Get varobj handle, if a valid var obj name was specified */
+ /* Get varobj handle, if a valid var obj name was specified. */
var = varobj_get_handle (argv[0]);
- if (var == NULL)
- error (_("mi_cmd_var_info_type: Variable object not found"));
ui_out_field_string (uiout, "type", varobj_get_type (var));
- return MI_CMD_DONE;
}
-enum mi_cmd_result
+void
+mi_cmd_var_info_path_expression (char *command, char **argv, int argc)
+{
+ struct ui_out *uiout = current_uiout;
+ struct varobj *var;
+ char *path_expr;
+
+ if (argc != 1)
+ error (_("Usage: NAME."));
+
+ /* Get varobj handle, if a valid var obj name was specified. */
+ var = varobj_get_handle (argv[0]);
+
+ path_expr = varobj_get_path_expr (var);
+
+ ui_out_field_string (uiout, "path_expr", path_expr);
+}
+
+void
mi_cmd_var_info_expression (char *command, char **argv, int argc)
{
- enum varobj_languages lang;
+ struct ui_out *uiout = current_uiout;
+ const struct language_defn *lang;
struct varobj *var;
if (argc != 1)
- error (_("mi_cmd_var_info_expression: Usage: NAME."));
+ error (_("-var-info-expression: Usage: NAME."));
- /* Get varobj handle, if a valid var obj name was specified */
+ /* Get varobj handle, if a valid var obj name was specified. */
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, "lang", lang->la_natural_name);
ui_out_field_string (uiout, "exp", varobj_get_expression (var));
- return MI_CMD_DONE;
}
-enum mi_cmd_result
+void
mi_cmd_var_show_attributes (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
int attr;
char *attstr;
struct varobj *var;
if (argc != 1)
- error (_("mi_cmd_var_show_attributes: Usage: NAME."));
+ error (_("-var-show-attributes: Usage: NAME."));
/* Get varobj handle, if a valid var obj name was specified */
var = varobj_get_handle (argv[0]);
- if (var == NULL)
- error (_("mi_cmd_var_show_attributes: Variable object not found"));
attr = varobj_get_attributes (var);
/* FIXME: define masks for attributes */
attstr = "noneditable";
ui_out_field_string (uiout, "attr", attstr);
- return MI_CMD_DONE;
}
-enum mi_cmd_result
+void
mi_cmd_var_evaluate_expression (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
struct varobj *var;
- if (argc != 1)
- error (_("mi_cmd_var_evaluate_expression: Usage: NAME."));
+ enum varobj_display_formats format;
+ int formatFound;
+ int oind;
+ char *oarg;
+
+ enum opt
+ {
+ OP_FORMAT
+ };
+ static const struct mi_opt opts[] =
+ {
+ {"f", OP_FORMAT, 1},
+ { 0, 0, 0 }
+ };
+
+ /* Parse arguments. */
+ format = FORMAT_NATURAL;
+ formatFound = 0;
+ oind = 0;
+ while (1)
+ {
+ int opt = mi_getopt ("-var-evaluate-expression", argc, argv,
+ opts, &oind, &oarg);
- /* Get varobj handle, if a valid var obj name was specified */
- var = varobj_get_handle (argv[0]);
- if (var == NULL)
- error (_("mi_cmd_var_evaluate_expression: Variable object not found"));
+ if (opt < 0)
+ break;
+ switch ((enum opt) opt)
+ {
+ case OP_FORMAT:
+ if (formatFound)
+ error (_("Cannot specify format more than once"));
+
+ format = mi_parse_format (oarg);
+ formatFound = 1;
+ break;
+ }
+ }
- ui_out_field_string (uiout, "value", varobj_get_value (var));
- return MI_CMD_DONE;
+ if (oind >= argc)
+ error (_("Usage: [-f FORMAT] NAME"));
+
+ if (oind < argc - 1)
+ error (_("Garbage at end of command"));
+
+ /* Get varobj handle, if a valid var obj name was specified. */
+ var = varobj_get_handle (argv[oind]);
+
+ if (formatFound)
+ {
+ char *val = varobj_get_formatted_value (var, format);
+
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+ }
+ else
+ {
+ char *val = varobj_get_value (var);
+
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+ }
}
-enum mi_cmd_result
+void
mi_cmd_var_assign (char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
struct varobj *var;
- char *expression;
+ char *expression, *val;
+ struct cleanup *cleanup;
if (argc != 2)
- error (_("mi_cmd_var_assign: Usage: NAME EXPRESSION."));
+ error (_("-var-assign: Usage: NAME EXPRESSION."));
- /* Get varobj handle, if a valid var obj name was specified */
+ /* Get varobj handle, if a valid var obj name was specified. */
var = varobj_get_handle (argv[0]);
- if (var == NULL)
- error (_("mi_cmd_var_assign: Variable object not found"));
- /* FIXME: define masks for attributes */
- if (!(varobj_get_attributes (var) & 0x00000001))
- error (_("mi_cmd_var_assign: Variable object is not editable"));
+ if (!varobj_editable_p (var))
+ error (_("-var-assign: Variable object is not editable"));
expression = xstrdup (argv[1]);
+ /* MI command '-var-assign' may write memory, so suppress memory
+ changed notification if it does. */
+ cleanup
+ = make_cleanup_restore_integer (&mi_suppress_notification.memory);
+ mi_suppress_notification.memory = 1;
+
if (!varobj_set_value (var, expression))
- error (_("mi_cmd_var_assign: Could not assign expression to varible object"));
+ error (_("-var-assign: Could not assign "
+ "expression to variable object"));
+
+ val = varobj_get_value (var);
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+
+ do_cleanups (cleanup);
+}
+
+/* Type used for parameters passing to mi_cmd_var_update_iter. */
+
+struct mi_cmd_var_update
+ {
+ int only_floating;
+ enum print_values print_values;
+ };
+
+/* Helper for mi_cmd_var_update - update each VAR. */
+
+static void
+mi_cmd_var_update_iter (struct varobj *var, void *data_pointer)
+{
+ struct mi_cmd_var_update *data = data_pointer;
+ int thread_id, thread_stopped;
+
+ thread_id = varobj_get_thread_id (var);
+
+ if (thread_id == -1
+ && (ptid_equal (inferior_ptid, null_ptid)
+ || is_stopped (inferior_ptid)))
+ thread_stopped = 1;
+ else
+ {
+ struct thread_info *tp = find_thread_id (thread_id);
+
+ if (tp)
+ thread_stopped = is_stopped (tp->ptid);
+ else
+ thread_stopped = 1;
+ }
- ui_out_field_string (uiout, "value", varobj_get_value (var));
- return MI_CMD_DONE;
+ if (thread_stopped
+ && (!data->only_floating || varobj_floating_p (var)))
+ varobj_update_one (var, data->print_values, 0 /* implicit */);
}
-enum mi_cmd_result
+void
mi_cmd_var_update (char *command, char **argv, int argc)
{
- struct varobj *var;
- struct varobj **rootlist;
- struct varobj **cr;
+ struct ui_out *uiout = current_uiout;
struct cleanup *cleanup;
char *name;
- int nv;
+ enum print_values print_values;
- if (argc != 1)
- error (_("mi_cmd_var_update: Usage: NAME."));
+ if (argc != 1 && argc != 2)
+ error (_("-var-update: Usage: [PRINT_VALUES] NAME."));
- name = argv[0];
+ if (argc == 1)
+ name = argv[0];
+ else
+ name = argv[1];
+
+ if (argc == 2)
+ print_values = mi_parse_print_values (argv[0]);
+ else
+ print_values = PRINT_NO_VALUES;
+
+ if (mi_version (uiout) <= 1)
+ cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist");
+ else
+ cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist");
- /* Check if the parameter is a "*" which means that we want
- to update all variables */
+ /* Check if the parameter is a "*", which means that we want to
+ update all variables. */
- if ((*name == '*') && (*(name + 1) == '\0'))
+ if ((*name == '*' || *name == '@') && (*(name + 1) == '\0'))
{
- nv = varobj_list (&rootlist);
- if (mi_version (uiout) <= 1)
- cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist");
- else
- 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);
+ struct mi_cmd_var_update data;
+
+ data.only_floating = (*name == '@');
+ data.print_values = print_values;
+
+ /* varobj_update_one automatically updates all the children of
+ VAROBJ. Therefore update each VAROBJ only once by iterating
+ only the root VAROBJs. */
+
+ all_root_varobjs (mi_cmd_var_update_iter, &data);
}
else
{
- /* Get varobj handle, if a valid var obj name was specified */
- var = varobj_get_handle (name);
- if (var == NULL)
- error (_("mi_cmd_var_update: Variable object not found"));
+ /* Get varobj handle, if a valid var obj name was specified. */
+ struct varobj *var = varobj_get_handle (name);
- if (mi_version (uiout) <= 1)
- cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, "changelist");
- else
- cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changelist");
- varobj_update_one (var);
- do_cleanups (cleanup);
+ varobj_update_one (var, print_values, 1 /* explicit */);
}
- return MI_CMD_DONE;
+
+ do_cleanups (cleanup);
}
-/* Helper for mi_cmd_var_update() Returns 0 if the update for
- the variable fails (usually because the variable is out of
- scope), and 1 if it succeeds. */
+/* Helper for mi_cmd_var_update(). */
-static int
-varobj_update_one (struct varobj *var)
+static void
+varobj_update_one (struct varobj *var, enum print_values print_values,
+ int explicit)
{
- struct varobj **changelist;
- struct varobj **cc;
- struct cleanup *cleanup = NULL;
- int nc;
-
- nc = varobj_update (&var, &changelist);
-
- /* nc == 0 means that nothing has changed.
- nc == -1 means that an error occured in updating the variable.
- nc == -2 means the variable has changed type. */
+ struct ui_out *uiout = current_uiout;
+ VEC (varobj_update_result) *changes;
+ varobj_update_result *r;
+ int i;
- if (nc == 0)
- return 1;
- else if (nc == -1)
- {
- if (mi_version (uiout) > 1)
- cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
- ui_out_field_string (uiout, "name", varobj_get_objname(var));
- ui_out_field_string (uiout, "in_scope", "false");
- if (mi_version (uiout) > 1)
- do_cleanups (cleanup);
- return -1;
- }
- else if (nc == -2)
+ changes = varobj_update (&var, explicit);
+
+ for (i = 0; VEC_iterate (varobj_update_result, changes, i, r); ++i)
{
+ char *display_hint;
+ int from, to;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+
if (mi_version (uiout) > 1)
- cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
- ui_out_field_string (uiout, "name", varobj_get_objname (var));
- ui_out_field_string (uiout, "in_scope", "true");
- ui_out_field_string (uiout, "new_type", varobj_get_type(var));
- ui_out_field_int (uiout, "new_num_children",
- varobj_get_num_children(var));
- if (mi_version (uiout) > 1)
- do_cleanups (cleanup);
- }
- else
- {
-
- cc = changelist;
- while (*cc != NULL)
+ make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+ ui_out_field_string (uiout, "name", varobj_get_objname (r->varobj));
+
+ switch (r->status)
{
- if (mi_version (uiout) > 1)
- cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
- ui_out_field_string (uiout, "name", varobj_get_objname (*cc));
+ case VAROBJ_IN_SCOPE:
+ if (mi_print_value_p (r->varobj, print_values))
+ {
+ char *val = varobj_get_value (r->varobj);
+
+ ui_out_field_string (uiout, "value", val);
+ xfree (val);
+ }
ui_out_field_string (uiout, "in_scope", "true");
- ui_out_field_string (uiout, "type_changed", "false");
- if (mi_version (uiout) > 1)
- do_cleanups (cleanup);
- cc++;
+ break;
+ case VAROBJ_NOT_IN_SCOPE:
+ ui_out_field_string (uiout, "in_scope", "false");
+ break;
+ case VAROBJ_INVALID:
+ ui_out_field_string (uiout, "in_scope", "invalid");
+ break;
+ }
+
+ if (r->status != VAROBJ_INVALID)
+ {
+ if (r->type_changed)
+ ui_out_field_string (uiout, "type_changed", "true");
+ else
+ ui_out_field_string (uiout, "type_changed", "false");
+ }
+
+ if (r->type_changed)
+ ui_out_field_string (uiout, "new_type", varobj_get_type (r->varobj));
+
+ if (r->type_changed || r->children_changed)
+ ui_out_field_int (uiout, "new_num_children",
+ varobj_get_num_children (r->varobj));
+
+ display_hint = varobj_get_display_hint (r->varobj);
+ if (display_hint)
+ {
+ ui_out_field_string (uiout, "displayhint", display_hint);
+ xfree (display_hint);
+ }
+
+ if (varobj_is_dynamic_p (r->varobj))
+ ui_out_field_int (uiout, "dynamic", 1);
+
+ varobj_get_child_range (r->varobj, &from, &to);
+ ui_out_field_int (uiout, "has_more",
+ varobj_has_more (r->varobj, to));
+
+ if (r->new)
+ {
+ int j;
+ varobj_p child;
+ struct cleanup *cleanup;
+
+ cleanup = make_cleanup_ui_out_list_begin_end (uiout, "new_children");
+ for (j = 0; VEC_iterate (varobj_p, r->new, j, child); ++j)
+ {
+ struct cleanup *cleanup_child;
+
+ cleanup_child
+ = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
+ print_varobj (child, print_values, 1 /* print_expression */);
+ do_cleanups (cleanup_child);
+ }
+
+ do_cleanups (cleanup);
+ VEC_free (varobj_p, r->new);
+ r->new = NULL; /* Paranoia. */
}
- xfree (changelist);
- return 1;
+
+ do_cleanups (cleanup);
}
- return 1;
+ VEC_free (varobj_update_result, changes);
+}
+
+void
+mi_cmd_enable_pretty_printing (char *command, char **argv, int argc)
+{
+ if (argc != 0)
+ error (_("-enable-pretty-printing: no arguments allowed"));
+
+ varobj_enable_pretty_printing ();
+}
+
+void
+mi_cmd_var_set_update_range (char *command, char **argv, int argc)
+{
+ struct varobj *var;
+ int from, to;
+
+ if (argc != 3)
+ error (_("-var-set-update-range: Usage: VAROBJ FROM TO"));
+
+ var = varobj_get_handle (argv[0]);
+ from = atoi (argv[1]);
+ to = atoi (argv[2]);
+
+ varobj_set_child_range (var, from, to);
}
projects / platform / upstream / binutils.git / blobdiff