extend_class for PyTuple

This commit is contained in:
HyeockJinKim
2019-10-06 21:11:05 +09:00
parent 84f08c85d9
commit b2c19a964b

View File

@@ -15,6 +15,11 @@ use super::objsequence::{
};
use super::objtype::{self, PyClassRef};
/// tuple() -> empty tuple
/// tuple(iterable) -> tuple initialized from iterable's items
///
/// If the argument is a tuple, the return value is the same object.
#[pyclass]
pub struct PyTuple {
// TODO: shouldn't be public
pub elements: Vec<PyObjectRef>,
@@ -72,8 +77,10 @@ pub fn get_value(obj: &PyObjectRef) -> Vec<PyObjectRef> {
obj.payload::<PyTuple>().unwrap().elements.clone()
}
impl PyTupleRef {
fn lt(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pyimpl]
impl PyTuple {
#[pymethod(name = "__lt__")]
fn lt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
let other = get_elements_tuple(&other);
let res = seq_lt(vm, &self.elements.as_slice(), &other.as_slice())?;
@@ -83,7 +90,8 @@ impl PyTupleRef {
}
}
fn gt(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__gt__")]
fn gt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
let other = get_elements_tuple(&other);
let res = seq_gt(vm, &self.elements.as_slice(), &other.as_slice())?;
@@ -93,7 +101,8 @@ impl PyTupleRef {
}
}
fn ge(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__ge__")]
fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
let other = get_elements_tuple(&other);
let res = seq_ge(vm, &self.elements.as_slice(), &other.as_slice())?;
@@ -103,7 +112,8 @@ impl PyTupleRef {
}
}
fn le(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__le__")]
fn le(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
let other = get_elements_tuple(&other);
let res = seq_le(vm, &self.elements.as_slice(), &other.as_slice())?;
@@ -113,7 +123,8 @@ impl PyTupleRef {
}
}
fn add(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__add__")]
fn add(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
let e2 = get_elements_tuple(&other);
let elements = self.elements.iter().chain(e2.iter()).cloned().collect();
@@ -123,11 +134,13 @@ impl PyTupleRef {
}
}
fn bool(self, _vm: &VirtualMachine) -> bool {
#[pymethod(name = "__bool__")]
fn bool(&self, _vm: &VirtualMachine) -> bool {
!self.elements.is_empty()
}
fn count(self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
#[pymethod(name = "count")]
fn count(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
let mut count: usize = 0;
for element in self.elements.iter() {
if element.is(&needle) {
@@ -142,7 +155,8 @@ impl PyTupleRef {
Ok(count)
}
fn eq(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__eq__")]
fn eq(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
Ok(vm.new_bool(self.inner_eq(&other, vm)?))
} else {
@@ -150,7 +164,8 @@ impl PyTupleRef {
}
}
fn ne(self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
#[pymethod(name = "__ne__")]
fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyResult {
if objtype::isinstance(&other, &vm.ctx.tuple_type()) {
Ok(vm.new_bool(!self.inner_eq(&other, vm)?))
} else {
@@ -163,25 +178,29 @@ impl PyTupleRef {
seq_equal(vm, &self.elements.as_slice(), &other.as_slice())
}
fn hash(self, vm: &VirtualMachine) -> PyResult<pyhash::PyHash> {
#[pymethod(name = "__hash__")]
fn hash(&self, vm: &VirtualMachine) -> PyResult<pyhash::PyHash> {
pyhash::hash_iter(self.elements.iter(), vm)
}
fn iter(self, _vm: &VirtualMachine) -> PyTupleIterator {
#[pymethod(name = "__iter__")]
fn iter(zelf: PyRef<Self>, _vm: &VirtualMachine) -> PyTupleIterator {
PyTupleIterator {
position: Cell::new(0),
tuple: self,
tuple: zelf,
}
}
fn len(self, _vm: &VirtualMachine) -> usize {
#[pymethod(name = "__len__")]
fn len(&self, _vm: &VirtualMachine) -> usize {
self.elements.len()
}
fn repr(self, vm: &VirtualMachine) -> PyResult<String> {
let s = if let Some(_guard) = ReprGuard::enter(self.as_object()) {
let mut str_parts = Vec::with_capacity(self.elements.len());
for elem in self.elements.iter() {
#[pymethod(name = "__repr__")]
fn repr(zelf: PyRef<Self>, vm: &VirtualMachine) -> PyResult<String> {
let s = if let Some(_guard) = ReprGuard::enter(zelf.as_object()) {
let mut str_parts = Vec::with_capacity(zelf.elements.len());
for elem in zelf.elements.iter() {
let s = vm.to_repr(elem)?;
str_parts.push(s.as_str().to_owned());
}
@@ -197,22 +216,26 @@ impl PyTupleRef {
Ok(s)
}
fn mul(self, counter: isize, vm: &VirtualMachine) -> PyObjectRef {
#[pymethod(name = "__mul__")]
fn mul(&self, counter: isize, vm: &VirtualMachine) -> PyObjectRef {
let new_elements = seq_mul(&self.elements.as_slice(), counter)
.cloned()
.collect();
vm.ctx.new_tuple(new_elements)
}
fn rmul(self, counter: isize, vm: &VirtualMachine) -> PyObjectRef {
#[pymethod(name = "__rmul__")]
fn rmul(&self, counter: isize, vm: &VirtualMachine) -> PyObjectRef {
self.mul(counter, vm)
}
fn getitem(self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult {
get_item(vm, self.as_object(), &self.elements, needle.clone())
#[pymethod(name = "__getitem__")]
fn getitem(zelf: PyRef<Self>, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult {
get_item(vm, zelf.as_object(), &zelf.elements, needle.clone())
}
fn index(self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
#[pymethod(name = "index")]
fn index(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
for (index, element) in self.elements.iter().enumerate() {
if element.is(&needle) {
return Ok(index);
@@ -225,7 +248,8 @@ impl PyTupleRef {
Err(vm.new_value_error("tuple.index(x): x not in tuple".to_string()))
}
fn contains(self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<bool> {
#[pymethod(name = "__contains__")]
fn contains(&self, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult<bool> {
for element in self.elements.iter() {
if element.is(&needle) {
return Ok(true);
@@ -237,20 +261,21 @@ impl PyTupleRef {
}
Ok(false)
}
}
fn tuple_new(
cls: PyClassRef,
iterable: OptionalArg<PyObjectRef>,
vm: &VirtualMachine,
) -> PyResult<PyTupleRef> {
let elements = if let OptionalArg::Present(iterable) = iterable {
vm.extract_elements(&iterable)?
} else {
vec![]
};
#[pyslot(new)]
fn tuple_new(
cls: PyClassRef,
iterable: OptionalArg<PyObjectRef>,
vm: &VirtualMachine,
) -> PyResult<PyTupleRef> {
let elements = if let OptionalArg::Present(iterable) = iterable {
vm.extract_elements(&iterable)?
} else {
vec![]
};
PyTuple::from(elements).into_ref_with_type(vm, cls)
PyTuple::from(elements).into_ref_with_type(vm, cls)
}
}
#[pyclass]
@@ -288,32 +313,7 @@ impl PyTupleIterator {
#[rustfmt::skip] // to avoid line splitting
pub fn init(context: &PyContext) {
let tuple_type = &context.types.tuple_type;
let tuple_doc = "tuple() -> empty tuple
tuple(iterable) -> tuple initialized from iterable's items
If the argument is a tuple, the return value is the same object.";
extend_class!(context, tuple_type, {
"__add__" => context.new_rustfunc(PyTupleRef::add),
"__bool__" => context.new_rustfunc(PyTupleRef::bool),
"__eq__" => context.new_rustfunc(PyTupleRef::eq),
"__ne__" => context.new_rustfunc(PyTupleRef::ne),
"__contains__" => context.new_rustfunc(PyTupleRef::contains),
"__getitem__" => context.new_rustfunc(PyTupleRef::getitem),
"__hash__" => context.new_rustfunc(PyTupleRef::hash),
"__iter__" => context.new_rustfunc(PyTupleRef::iter),
"__len__" => context.new_rustfunc(PyTupleRef::len),
(slot new) => tuple_new,
"__mul__" => context.new_rustfunc(PyTupleRef::mul),
"__rmul__" => context.new_rustfunc(PyTupleRef::rmul),
"__repr__" => context.new_rustfunc(PyTupleRef::repr),
"count" => context.new_rustfunc(PyTupleRef::count),
"__lt__" => context.new_rustfunc(PyTupleRef::lt),
"__le__" => context.new_rustfunc(PyTupleRef::le),
"__gt__" => context.new_rustfunc(PyTupleRef::gt),
"__ge__" => context.new_rustfunc(PyTupleRef::ge),
"__doc__" => context.new_str(tuple_doc.to_string()),
"index" => context.new_rustfunc(PyTupleRef::index)
});
PyTuple::extend_class(context, tuple_type);
PyTupleIterator::extend_class(context, &context.types.tupleiterator_type);
}