static PyObject *
gcc_python_maybe_get_identifier(PyObject *self, PyObject *args)
{
const char *str;
tree t;
if (!PyArg_ParseTuple(args,
"s:maybe_get_identifier",
&str)) {
return NULL;
}
t = maybe_get_identifier(str);
return gcc_python_make_wrapper_tree(t);
}
static PyObject *
PyGcc_maybe_get_identifier(PyObject *self, PyObject *args)
{
const char *str;
tree t;
if (!PyArg_ParseTuple(args,
"s:maybe_get_identifier",
&str)) {
return NULL;
}
t = maybe_get_identifier(str);
return PyGccTree_New(gcc_private_make_tree(t));
}
static void
warn_self_assign (gimple stmt)
{
tree rhs, lhs;
/* Check assigment statement. */
if (gimple_assign_single_p (stmt))
{
rhs = get_real_ref_rhs (gimple_assign_rhs1 (stmt));
if (!rhs)
return;
lhs = gimple_assign_lhs (stmt);
if (TREE_CODE (lhs) == SSA_NAME)
{
lhs = SSA_NAME_VAR (lhs);
if (!lhs || DECL_ARTIFICIAL (lhs))
return;
}
compare_and_warn (stmt, lhs, rhs);
}
/* Check overloaded operator '=' (if enabled). */
else if (check_operator_eq && is_gimple_call (stmt))
{
tree fdecl = gimple_call_fndecl (stmt);
if (fdecl && (DECL_NAME (fdecl) == maybe_get_identifier ("operator=")))
{
/* If 'operator=' takes reference operands, the arguments will be
ADDR_EXPR trees. In this case, just remove the address-taken
operator before we compare the lhs and rhs. */
lhs = gimple_call_arg (stmt, 0);
if (TREE_CODE (lhs) == ADDR_EXPR)
lhs = TREE_OPERAND (lhs, 0);
rhs = gimple_call_arg (stmt, 1);
if (TREE_CODE (rhs) == ADDR_EXPR)
rhs = TREE_OPERAND (rhs, 0);
compare_and_warn (stmt, lhs, rhs);
}
}
}
