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PR python/13327

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* python/py-value.c (value_to_value_object): Remove fetching of
the value if it was lazy.
(valpy_get_is_lazy): New function.
(valpy_fetch_lazy): New function.
This commit is contained in:
Paul Koning 2011-10-25 18:34:51 +00:00
parent db5d0b26be
commit 913460fcde
2 changed files with 52 additions and 8 deletions
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51
gdb/python/py-value.c
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@ -617,6 +617,43 @@ valpy_get_is_optimized_out (PyObject *self, void *closure)
Py_RETURN_FALSE;
}
/* Implements gdb.Value.is_lazy. */
static PyObject *
valpy_get_is_lazy (PyObject *self, void *closure)
{
struct value *value = ((value_object *) self)->value;
int opt = 0;
volatile struct gdb_exception except;
TRY_CATCH (except, RETURN_MASK_ALL)
{
opt = value_lazy (value);
}
GDB_PY_HANDLE_EXCEPTION (except);
if (opt)
Py_RETURN_TRUE;
Py_RETURN_FALSE;
}
/* Implements gdb.Value.fetch_lazy (). */
static PyObject *
valpy_fetch_lazy (PyObject *self, PyObject *args)
{
struct value *value = ((value_object *) self)->value;
volatile struct gdb_exception except;
TRY_CATCH (except, RETURN_MASK_ALL)
{
if (value_lazy (value))
value_fetch_lazy (value);
}
GDB_PY_HANDLE_EXCEPTION (except);
Py_RETURN_NONE;
}
/* Calculate and return the address of the PyObject as the value of
the builtin __hash__ call. */
static long
@ -1081,15 +1118,7 @@ PyObject *
value_to_value_object (struct value *val)
{
value_object *val_obj;
volatile struct gdb_exception except;
TRY_CATCH (except, RETURN_MASK_ALL)
{
if (value_lazy (val))
value_fetch_lazy (val);
}
GDB_PY_HANDLE_EXCEPTION (except);
val_obj = PyObject_New (value_object, &value_object_type);
if (val_obj != NULL)
{
@ -1276,6 +1305,10 @@ static PyGetSetDef value_object_getset[] = {
{ "type", valpy_get_type, NULL, "Type of the value.", NULL },
{ "dynamic_type", valpy_get_dynamic_type, NULL,
"Dynamic type of the value.", NULL },
{ "is_lazy", valpy_get_is_lazy, NULL,
"Boolean telling whether the value is lazy (not fetched yet\n\
from the inferior). A lazy value is fetched when needed, or when\n\
the \"fetch_lazy()\" method is called.", NULL },
{NULL} /* Sentinel */
};
@ -1298,6 +1331,8 @@ Return a lazy string representation of the value." },
{ "string", (PyCFunction) valpy_string, METH_VARARGS | METH_KEYWORDS,
"string ([encoding] [, errors] [, length]) -> string\n\
Return Unicode string representation of the value." },
{ "fetch_lazy", valpy_fetch_lazy, METH_NOARGS,
"Fetches the value from the inferior, if it was lazy." },
{NULL} /* Sentinel */
};