char *exp_string;
/* Expression to be evaluated and displayed. */
- struct expression *exp;
+ expression_up exp;
/* Item number of this auto-display item. */
int number;
/* User specified format, so don't look to the type to tell us
what to do. */
val_print_scalar_formatted (type,
- value_contents_for_printing (val),
value_embedded_offset (val),
val,
options, size, stream);
static void
print_command_1 (const char *exp, int voidprint)
{
- struct expression *expr;
- struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
struct value *val;
struct format_data fmt;
if (exp && *exp)
{
- expr = parse_expression (exp);
- make_cleanup (free_current_contents, &expr);
- val = evaluate_expression (expr);
+ expression_up expr = parse_expression (exp);
+ val = evaluate_expression (expr.get ());
}
else
val = access_value_history (0);
if (voidprint || (val && value_type (val) &&
TYPE_CODE (value_type (val)) != TYPE_CODE_VOID))
print_value (val, &fmt);
-
- do_cleanups (old_chain);
}
static void
void
output_command_const (const char *exp, int from_tty)
{
- struct expression *expr;
- struct cleanup *old_chain;
char format = 0;
struct value *val;
struct format_data fmt;
format = fmt.format;
}
- expr = parse_expression (exp);
- old_chain = make_cleanup (free_current_contents, &expr);
+ expression_up expr = parse_expression (exp);
- val = evaluate_expression (expr);
+ val = evaluate_expression (expr.get ());
annotate_value_begin (value_type (val));
wrap_here ("");
gdb_flush (gdb_stdout);
-
- do_cleanups (old_chain);
}
static void
set_command (char *exp, int from_tty)
{
- struct expression *expr = parse_expression (exp);
- struct cleanup *old_chain =
- make_cleanup (free_current_contents, &expr);
+ expression_up expr = parse_expression (exp);
if (expr->nelts >= 1)
switch (expr->elts[0].opcode)
(_("Expression is not an assignment (and might have no effect)"));
}
- evaluate_expression (expr);
- do_cleanups (old_chain);
+ evaluate_expression (expr.get ());
}
static void
static void
x_command (char *exp, int from_tty)
{
- struct expression *expr;
struct format_data fmt;
struct cleanup *old_chain;
struct value *val;
if (exp != 0 && *exp != 0)
{
- expr = parse_expression (exp);
+ expression_up expr = parse_expression (exp);
/* Cause expression not to be there any more if this command is
repeated with Newline. But don't clobber a user-defined
command's definition. */
if (from_tty)
*exp = 0;
- old_chain = make_cleanup (free_current_contents, &expr);
- val = evaluate_expression (expr);
+ val = evaluate_expression (expr.get ());
if (TYPE_CODE (value_type (val)) == TYPE_CODE_REF)
val = coerce_ref (val);
/* In rvalue contexts, such as this, functions are coerced into
next_address = value_as_address (val);
next_gdbarch = expr->gdbarch;
- do_cleanups (old_chain);
}
if (!next_gdbarch)
display_command (char *arg, int from_tty)
{
struct format_data fmt;
- struct expression *expr;
struct display *newobj;
const char *exp = arg;
}
innermost_block = NULL;
- expr = parse_expression (exp);
+ expression_up expr = parse_expression (exp);
- newobj = XNEW (struct display);
+ newobj = new display ();
newobj->exp_string = xstrdup (exp);
- newobj->exp = expr;
+ newobj->exp = std::move (expr);
newobj->block = innermost_block;
newobj->pspace = current_program_space;
newobj->number = ++display_number;
free_display (struct display *d)
{
xfree (d->exp_string);
- xfree (d->exp);
- xfree (d);
+ delete d;
}
/* Clear out the display_chain. Done when new symtabs are loaded,
void *),
void *data)
{
- struct get_number_or_range_state state;
int num;
if (args == NULL)
error_no_arg (_("one or more display numbers"));
- init_number_or_range (&state, args);
+ number_or_range_parser parser (args);
- while (!state.finished)
+ while (!parser.finished ())
{
- const char *p = state.string;
+ const char *p = parser.cur_tok ();
- num = get_number_or_range (&state);
+ num = parser.get_number ();
if (num == 0)
warning (_("bad display number at or near '%s'"), p);
else
static void
do_one_display (struct display *d)
{
- struct cleanup *old_chain;
int within_current_scope;
if (d->enabled_p == 0)
expression if the current architecture has changed. */
if (d->exp != NULL && d->exp->gdbarch != get_current_arch ())
{
- xfree (d->exp);
- d->exp = NULL;
+ d->exp.reset ();
d->block = NULL;
}
if (!within_current_scope)
return;
- old_chain = make_cleanup_restore_integer (¤t_display_number);
- current_display_number = d->number;
+ scoped_restore save_display_number
+ = make_scoped_restore (¤t_display_number, d->number);
annotate_display_begin ();
printf_filtered ("%d", d->number);
struct value *val;
CORE_ADDR addr;
- val = evaluate_expression (d->exp);
+ val = evaluate_expression (d->exp.get ());
addr = value_as_address (val);
if (d->format.format == 'i')
addr = gdbarch_addr_bits_remove (d->exp->gdbarch, addr);
{
struct value *val;
- val = evaluate_expression (d->exp);
+ val = evaluate_expression (d->exp.get ());
print_formatted (val, d->format.size, &opts, gdb_stdout);
}
CATCH (ex, RETURN_MASK_ERROR)
annotate_display_end ();
gdb_flush (gdb_stdout);
- do_cleanups (old_chain);
}
/* Display all of the values on the auto-display chain which can be
continue;
if (lookup_objfile_from_block (d->block) == objfile
- || (d->exp && exp_uses_objfile (d->exp, objfile)))
+ || (d->exp != NULL && exp_uses_objfile (d->exp.get (), objfile)))
{
- xfree (d->exp);
- d->exp = NULL;
+ d->exp.reset ();
d->block = NULL;
}
}
{
struct ui_file *ui_out = mem_fileopen ();
struct cleanup *cleanups = make_cleanup_ui_file_delete (ui_out);
- char *expanded;
ui_printf (arg, ui_out);
- expanded = ui_file_xstrdup (ui_out, NULL);
- make_cleanup (xfree, expanded);
+ std::string expanded = ui_file_as_string (ui_out);
- execute_command (expanded, from_tty);
+ execute_command (&expanded[0], from_tty);
do_cleanups (cleanups);
}
projects / deliverable / binutils-gdb.git / blobdiff