/* Python interface to values.
- Copyright (C) 2008-2022 Free Software Foundation, Inc.
+ Copyright (C) 2008-2023 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "top.h" /* For quit_force (). */
#include "charset.h"
#include "value.h"
#include "language.h"
#define builtin_type_pybool \
language_bool_type (current_language, gdbpy_enter::get_gdbarch ())
-#define builtin_type_pychar \
- language_string_char_type (current_language, gdbpy_enter::get_gdbarch ())
-
struct value_object {
PyObject_HEAD
struct value_object *next;
valpy_clear_value (value_object *self)
{
/* Indicate we are no longer interested in the value object. */
- value_decref (self->value);
+ self->value->decref ();
self->value = nullptr;
Py_CLEAR (self->address);
value_object *iter;
for (iter = values_in_python; iter; iter = iter->next)
- preserve_one_value (iter->value, objfile, copied_types);
+ iter->value->preserve (objfile, copied_types);
}
/* Given a value of a pointer type, apply the C unary * operator to it. */
scoped_value_mark free_values;
self_val = ((value_object *) self)->value;
- switch (check_typedef (value_type (self_val))->code ())
+ switch (check_typedef (self_val->type ())->code ())
{
case TYPE_CODE_PTR:
res_val = value_ind (self_val);
res_val = value_addr (val_obj->value);
val_obj->address = value_to_value_object (res_val);
}
+ catch (const gdb_exception_forced_quit &except)
+ {
+ quit_force (NULL, 0);
+ }
catch (const gdb_exception &except)
{
val_obj->address = Py_None;
if (!obj->type)
{
- obj->type = type_to_type_object (value_type (obj->value));
+ obj->type = type_to_type_object (obj->value->type ());
if (!obj->type)
return NULL;
}
struct value *val = obj->value;
scoped_value_mark free_values;
- type = value_type (val);
+ type = val->type ();
type = check_typedef (type);
if (type->is_pointer_or_reference ()
struct type *type, *realtype;
CORE_ADDR addr;
- type = value_type (value);
+ type = value->type ();
realtype = check_typedef (type);
switch (realtype->code ())
low_bound,
low_bound + length - 1);
}
- addr = value_address (value);
+ addr = value->address ();
break;
}
case TYPE_CODE_PTR:
break;
default:
/* Should flag an error here. PR 20769. */
- addr = value_address (value);
+ addr = value->address ();
break;
}
"actual_objects", /* See set print object on|off. */
"static_members", /* See set print static-members on|off. */
/* C non-bool options. */
+ "max_characters", /* See set print characters N. */
"max_elements", /* See set print elements N. */
"max_depth", /* See set print max-depth N. */
"repeat_threshold", /* See set print repeats. */
struct value_print_options opts;
gdbpy_get_print_options (&opts);
- opts.deref_ref = 0;
+ opts.deref_ref = false;
/* We need objects for booleans as the "p" flag for bools is new in
Python 3.3. */
char *format = NULL;
if (!gdb_PyArg_ParseTupleAndKeywords (args,
kw,
- "|O!O!O!O!O!O!O!O!O!O!O!O!O!IIIs",
+ "|O!O!O!O!O!O!O!O!O!O!O!O!O!IIIIs",
keywords,
&PyBool_Type, &raw_obj,
&PyBool_Type, &pretty_arrays_obj,
&PyBool_Type, &deref_refs_obj,
&PyBool_Type, &actual_objects_obj,
&PyBool_Type, &static_members_obj,
+ &opts.print_max_chars,
&opts.print_max,
&opts.max_depth,
&opts.repeat_count_threshold,
try
{
- val_type = value_type (v);
+ val_type = v->type ();
val_type = check_typedef (val_type);
if (val_type->is_pointer_or_reference ())
val_type = check_typedef (val_type->target_type ());
{
struct type *val_type;
- val_type = check_typedef (value_type (tmp));
+ val_type = check_typedef (tmp->type ());
if (val_type->code () == TYPE_CODE_PTR)
res_val = value_cast (lookup_pointer_type (base_class_type), tmp);
else if (val_type->code () == TYPE_CODE_REF)
struct type *type;
tmp = coerce_ref (tmp);
- type = check_typedef (value_type (tmp));
+ type = check_typedef (tmp->type ());
if (type->code () != TYPE_CODE_ARRAY
&& type->code () != TYPE_CODE_PTR)
error (_("Cannot subscript requested type."));
try
{
- ftype = check_typedef (value_type (function));
+ ftype = check_typedef (function->type ());
}
catch (const gdb_exception &except)
{
struct value_print_options opts;
gdbpy_get_print_options (&opts);
- opts.deref_ref = 0;
+ opts.deref_ref = false;
string_file stb;
try
{
- opt = value_optimized_out (value);
+ opt = value->optimized_out ();
}
catch (const gdb_exception &except)
{
try
{
- opt = value_lazy (value);
+ opt = value->lazy ();
}
catch (const gdb_exception &except)
{
try
{
- if (value_lazy (value))
- value_fetch_lazy (value);
+ if (value->lazy ())
+ value->fetch_lazy ();
}
catch (const gdb_exception &except)
{
{
case VALPY_ADD:
{
- struct type *ltype = value_type (arg1);
- struct type *rtype = value_type (arg2);
+ struct type *ltype = arg1->type ();
+ struct type *rtype = arg2->type ();
ltype = check_typedef (ltype);
ltype = STRIP_REFERENCE (ltype);
break;
case VALPY_SUB:
{
- struct type *ltype = value_type (arg1);
- struct type *rtype = value_type (arg2);
+ struct type *ltype = arg1->type ();
+ struct type *rtype = arg2->type ();
ltype = check_typedef (ltype);
ltype = STRIP_REFERENCE (ltype);
{
scoped_value_mark free_values;
- if (value_less (value, value_zero (value_type (value), not_lval)))
+ if (value_less (value, value::zero (value->type (), not_lval)))
isabs = 0;
}
catch (const gdb_exception &except)
try
{
- type = check_typedef (value_type (self_value->value));
+ type = check_typedef (self_value->value->type ());
if (is_integral_type (type) || type->code () == TYPE_CODE_PTR)
nonzero = !!value_as_long (self_value->value);
else if (is_floating_value (self_value->value))
nonzero = !target_float_is_zero
- (value_contents (self_value->value).data (), type);
+ (self_value->value->contents ().data (), type);
else
/* All other values are True. */
nonzero = 1;
static PyObject *
valpy_invert (PyObject *self)
{
- struct value *val = NULL;
+ PyObject *result = nullptr;
try
{
- val = value_complement (((value_object *) self)->value);
+ scoped_value_mark free_values;
+ struct value *val = value_complement (((value_object *) self)->value);
+ result = value_to_value_object (val);
}
catch (const gdb_exception &except)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
- return value_to_value_object (val);
+ return result;
}
/* Implements left shift for value objects. */
valpy_long (PyObject *self)
{
struct value *value = ((value_object *) self)->value;
- struct type *type = value_type (value);
+ struct type *type = value->type ();
LONGEST l = 0;
try
valpy_float (PyObject *self)
{
struct value *value = ((value_object *) self)->value;
- struct type *type = value_type (value);
+ struct type *type = value->type ();
double d = 0;
try
type = check_typedef (type);
if (type->code () == TYPE_CODE_FLT && is_floating_value (value))
- d = target_float_to_host_double (value_contents (value).data (), type);
+ d = target_float_to_host_double (value->contents ().data (), type);
else if (type->code () == TYPE_CODE_INT)
{
/* Note that valpy_long accepts TYPE_CODE_PTR and some
return PyFloat_FromDouble (d);
}
-/* Returns an object for a value which is released from the all_values chain,
- so its lifetime is not bound to the execution of a command. */
-PyObject *
-value_to_value_object (struct value *val)
-{
- value_object *val_obj;
-
- val_obj = PyObject_New (value_object, &value_object_type);
- if (val_obj != NULL)
- {
- val_obj->value = release_value (val).release ();
- val_obj->next = nullptr;
- val_obj->prev = nullptr;
- val_obj->address = NULL;
- val_obj->type = NULL;
- val_obj->dynamic_type = NULL;
- note_value (val_obj);
- }
-
- return (PyObject *) val_obj;
-}
-
-/* Returns an object for a value, but without releasing it from the
+/* Returns an object for a value, without releasing it from the
all_values chain. */
PyObject *
-value_to_value_object_no_release (struct value *val)
+value_to_value_object (struct value *val)
{
value_object *val_obj;
val_obj = PyObject_New (value_object, &value_object_type);
if (val_obj != NULL)
{
- value_incref (val);
+ val->incref ();
val_obj->value = val;
val_obj->next = nullptr;
val_obj->prev = nullptr;
gdb::unique_xmalloc_ptr<char> s
= python_string_to_target_string (obj);
if (s != NULL)
- value = value_cstring (s.get (), strlen (s.get ()),
- builtin_type_pychar);
+ value
+ = current_language->value_string (gdbpy_enter::get_gdbarch (),
+ s.get (), strlen (s.get ()));
}
else if (PyObject_TypeCheck (obj, &value_object_type))
- value = value_copy (((value_object *) obj)->value);
+ value = ((value_object *) obj)->value->copy ();
else if (gdbpy_is_lazy_string (obj))
{
PyObject *result;
result = PyObject_CallMethodObjArgs (obj, gdbpy_value_cst, NULL);
- value = value_copy (((value_object *) result)->value);
+ value = ((value_object *) result)->value->copy ();
}
else
PyErr_Format (PyExc_TypeError,
gdbpy_history (PyObject *self, PyObject *args)
{
int i;
- struct value *res_val = NULL; /* Initialize to appease gcc warning. */
if (!PyArg_ParseTuple (args, "i", &i))
return NULL;
+ PyObject *result = nullptr;
try
{
- res_val = access_value_history (i);
+ scoped_value_mark free_values;
+ struct value *res_val = access_value_history (i);
+ result = value_to_value_object (res_val);
}
catch (const gdb_exception &except)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
- return value_to_value_object (res_val);
+ return result;
}
/* Add a gdb.Value into GDB's history, and return (as an integer) the
try
{
- int idx = record_latest_value (value);
+ int idx = value->record_latest ();
return gdb_py_object_from_longest (idx).release ();
}
catch (const gdb_exception &except)
if (!PyArg_ParseTuple (args, "s", &varname))
return NULL;
+ PyObject *result = nullptr;
+ bool found = false;
try
{
struct internalvar *var = lookup_only_internalvar (varname);
if (var != NULL)
{
+ scoped_value_mark free_values;
res_val = value_of_internalvar (gdbpy_enter::get_gdbarch (), var);
- if (value_type (res_val)->code () == TYPE_CODE_VOID)
+ if (res_val->type ()->code () == TYPE_CODE_VOID)
res_val = NULL;
+ else
+ {
+ found = true;
+ result = value_to_value_object (res_val);
+ }
}
}
catch (const gdb_exception &except)
GDB_PY_HANDLE_EXCEPTION (except);
}
- if (res_val == NULL)
+ if (result == nullptr && !found)
Py_RETURN_NONE;
- return value_to_value_object (res_val);
+ return result;
}
/* Set the value of a convenience variable. */
return PyObject_TypeCheck (obj, &value_object_type);
}
-int
+static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
gdbpy_initialize_values (void)
{
if (PyType_Ready (&value_object_type) < 0)
(PyObject *) &value_object_type);
}
+GDBPY_INITIALIZE_FILE (gdbpy_initialize_values);
+
\f
static gdb_PyGetSetDef value_object_getset[] = {
{ "rvalue_reference_value", valpy_rvalue_reference_value, METH_NOARGS,
"Return a value of type TYPE_CODE_RVALUE_REF referencing this value." },
{ "const_value", valpy_const_value, METH_NOARGS,
- "Return a 'const' qualied version of the same value." },
+ "Return a 'const' qualified version of the same value." },
{ "lazy_string", (PyCFunction) valpy_lazy_string,
METH_VARARGS | METH_KEYWORDS,
"lazy_string ([encoding] [, length]) -> lazy_string\n\
projects / thirdparty / binutils-gdb.git / blobdiff