bool BINARY_OPERATION_ADD_STR_STR_INPLACE(PyObject **operand1, PyObject *operand2) {
assert(operand1);
CHECK_OBJECT(*operand1);
CHECK_OBJECT(operand2);
assert(PyString_CheckExact(*operand1));
assert(PyString_CheckExact(operand2));
if (!PyString_CHECK_INTERNED(*operand1) && Py_REFCNT(*operand1) == 1) {
return STRING_ADD_INCREMENTAL(operand1, operand2);
}
PyString_Concat(operand1, operand2);
return !ERROR_OCCURRED();
PyObject *result = PyNumber_InPlaceAdd(*operand1, operand2);
if (unlikely(result == NULL)) {
return false;
}
// We got an object handed, that we have to release.
Py_DECREF(*operand1);
// That's our return value then. As we use a dedicated variable, it's
// OK that way.
*operand1 = result;
return true;
}
NUITKA_MAY_BE_UNUSED static bool BINARY_OPERATION_ADD_INPLACE( PyObject **operand1, PyObject *operand2 )
{
assert( operand1 );
CHECK_OBJECT( *operand1 );
CHECK_OBJECT( operand2 );
#if PYTHON_VERSION < 300
// Something similar for Python3 should exist too.
if ( PyInt_CheckExact( *operand1 ) && PyInt_CheckExact( operand2 ) )
{
long a, b, i;
a = PyInt_AS_LONG( *operand1 );
b = PyInt_AS_LONG( operand2 );
i = a + b;
// Detect overflow, in which case, a "long" object would have to be
// created, which we won't handle here. TODO: Add an else for that
// case.
if (likely(!( (i^a) < 0 && (i^b) < 0 ) ))
{
PyObject *result = PyInt_FromLong( i );
Py_DECREF( *operand1 );
*operand1 = result;
return true;
}
}
#endif
#if PYTHON_VERSION < 300
if ( Py_REFCNT( *operand1 ) == 1 )
{
// We more or less own the operand, so we might re-use its storage and
// execute stuff in-place.
if ( PyString_CheckExact( *operand1 ) &&
!PyString_CHECK_INTERNED( *operand1 ) &&
PyString_CheckExact( operand2 ) )
{
return STRING_ADD_INCREMENTAL( operand1, operand2 );
}
else if ( PyFloat_CheckExact( *operand1 ) &&
PyFloat_CheckExact( operand2 ) )
{
return FLOAT_ADD_INCREMENTAL( operand1, operand2 );
}
}
// Strings are to be treated differently.
if ( PyString_CheckExact( *operand1 ) && PyString_CheckExact( operand2 ) )
{
PyString_Concat( operand1, operand2 );
return !ERROR_OCCURRED();
}
#else
if ( Py_REFCNT( *operand1 ) == 1 )
{
// We more or less own the operand, so we might re-use its storage and
// execute stuff in-place.
if ( PyUnicode_CheckExact( *operand1 ) &&
!PyUnicode_CHECK_INTERNED( *operand1 ) &&
PyUnicode_CheckExact( operand2 ) )
{
return UNICODE_ADD_INCREMENTAL( operand1, operand2 );
}
else if ( PyFloat_CheckExact( *operand1 ) &&
PyFloat_CheckExact( operand2 ) )
{
return FLOAT_ADD_INCREMENTAL( operand1, operand2 );
}
}
// Strings are to be treated differently.
if ( PyUnicode_CheckExact( *operand1 ) && PyUnicode_CheckExact( operand2 ) )
{
PyObject *result = PyUnicode_Concat( *operand1, operand2 );
if (unlikely( result == NULL ))
{
return false;
}
Py_DECREF( *operand1 );
*operand1 = result;
return true;
}
#endif
PyObject *result = PyNumber_InPlaceAdd( *operand1, operand2 );
if (unlikely( result == NULL ))
{
return false;
}
// We got an object handed, that we have to release.
Py_DECREF( *operand1 );
// That's our return value then. As we use a dedicated variable, it's
// OK that way.
*operand1 = result;
return true;
}