// this function implements the '==' operator (and so the inverse of '!=')
// from the python language reference:
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
// note also that False==0 and True==1 are true expressions
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
}
if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
}
// fast path for small ints
if (MP_OBJ_IS_SMALL_INT(o1)) {
if (MP_OBJ_IS_SMALL_INT(o2)) {
// both SMALL_INT, and not equal if we get here
return false;
} else {
mp_obj_t temp = o2; o2 = o1; o1 = temp;
// o2 is now the SMALL_INT, o1 is not
// fall through to generic op
}
}
// fast path for strings
if (MP_OBJ_IS_STR(o1)) {
if (MP_OBJ_IS_STR(o2)) {
// both strings, use special function
return mp_obj_str_equal(o1, o2);
} else {
// a string is never equal to anything else
return false;
}
} else if (MP_OBJ_IS_STR(o2)) {
// o1 is not a string (else caught above), so the objects are not equal
return false;
}
// generic type, call binary_op(MP_BINARY_OP_EQUAL)
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
"equality for given types not yet implemented"));
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
"equality for '%s' and '%s' types not yet implemented",
mp_obj_get_type_str(o1), mp_obj_get_type_str(o2)));
}
}
// This function implements the '==' operator (and so the inverse of '!=').
//
// From the Python language reference:
// (https://docs.python.org/3/reference/expressions.html#not-in)
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
//
// This means that False==0 and True==1 are true expressions.
//
// Furthermore, from the v3.4.2 code for object.c: "Practical amendments: If rich
// comparison returns NotImplemented, == and != are decided by comparing the object
// pointer."
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
}
if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
}
// fast path for small ints
if (MP_OBJ_IS_SMALL_INT(o1)) {
if (MP_OBJ_IS_SMALL_INT(o2)) {
// both SMALL_INT, and not equal if we get here
return false;
} else {
mp_obj_t temp = o2; o2 = o1; o1 = temp;
// o2 is now the SMALL_INT, o1 is not
// fall through to generic op
}
}
// fast path for strings
if (MP_OBJ_IS_STR(o1)) {
if (MP_OBJ_IS_STR(o2)) {
// both strings, use special function
return mp_obj_str_equal(o1, o2);
} else {
// a string is never equal to anything else
return false;
}
} else if (MP_OBJ_IS_STR(o2)) {
// o1 is not a string (else caught above), so the objects are not equal
return false;
}
// generic type, call binary_op(MP_BINARY_OP_EQUAL)
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
// equality not implemented, and objects are not the same object, so
// they are defined as not equal
return false;
}
// this function implements the '==' operator (and so the inverse of '!=')
// from the python language reference:
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
// note also that False==0 and True==1 are true expressions
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
} else if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
} else if (MP_OBJ_IS_SMALL_INT(o1) || MP_OBJ_IS_SMALL_INT(o2)) {
if (MP_OBJ_IS_SMALL_INT(o1) && MP_OBJ_IS_SMALL_INT(o2)) {
return false;
} else {
if (MP_OBJ_IS_SMALL_INT(o2)) {
mp_obj_t temp = o1; o1 = o2; o2 = temp;
}
// o1 is the SMALL_INT, o2 is not
mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o1);
if (o2 == mp_const_false) {
return val == 0;
} else if (o2 == mp_const_true) {
return val == 1;
} else if (MP_OBJ_IS_TYPE(o2, &mp_type_int)) {
// If o2 is long int, dispatch to its virtual methods
mp_obj_base_t *o = o2;
if (o->type->binary_op != NULL) {
mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o2, o1);
return r == mp_const_true ? true : false;
}
}
return false;
}
} else if (MP_OBJ_IS_STR(o1) && MP_OBJ_IS_STR(o2)) {
return mp_obj_str_equal(o1, o2);
} else {
mp_obj_base_t *o = o1;
if (o->type->binary_op != NULL) {
mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
"Equality for '%s' and '%s' types not yet implemented", mp_obj_get_type_str(o1), mp_obj_get_type_str(o2)));
return false;
}
}
// This function implements the '==' operator (and so the inverse of '!=').
//
// From the Python language reference:
// (https://docs.python.org/3/reference/expressions.html#not-in)
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
//
// This means that False==0 and True==1 are true expressions.
//
// Furthermore, from the v3.4.2 code for object.c: "Practical amendments: If rich
// comparison returns NotImplemented, == and != are decided by comparing the object
// pointer."
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
// Float (and complex) NaN is never equal to anything, not even itself,
// so we must have a special check here to cover those cases.
if (o1 == o2
#if MICROPY_PY_BUILTINS_FLOAT
&& !mp_obj_is_float(o1)
#endif
#if MICROPY_PY_BUILTINS_COMPLEX
&& !MP_OBJ_IS_TYPE(o1, &mp_type_complex)
#endif
) {
return true;
}
if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
}
// fast path for small ints
if (MP_OBJ_IS_SMALL_INT(o1)) {
if (MP_OBJ_IS_SMALL_INT(o2)) {
// both SMALL_INT, and not equal if we get here
return false;
} else {
mp_obj_t temp = o2; o2 = o1; o1 = temp;
// o2 is now the SMALL_INT, o1 is not
// fall through to generic op
}
}
// fast path for strings
if (MP_OBJ_IS_STR(o1)) {
if (MP_OBJ_IS_STR(o2)) {
// both strings, use special function
return mp_obj_str_equal(o1, o2);
} else {
// a string is never equal to anything else
goto str_cmp_err;
}
} else if (MP_OBJ_IS_STR(o2)) {
// o1 is not a string (else caught above), so the objects are not equal
str_cmp_err:
#if MICROPY_PY_STR_BYTES_CMP_WARN
if (MP_OBJ_IS_TYPE(o1, &mp_type_bytes) || MP_OBJ_IS_TYPE(o2, &mp_type_bytes)) {
mp_warning("Comparison between bytes and str");
}
#endif
return false;
}
// generic type, call binary_op(MP_BINARY_OP_EQUAL)
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
// equality not implemented, and objects are not the same object, so
// they are defined as not equal
return false;
}
