Even newer style class definitions.

This commit is contained in:
Adam Kelly
2019-04-08 15:02:04 +01:00
parent 2d127b9834
commit 29e9753e51

View File

@@ -8,11 +8,11 @@ use crate::pyobject::{
};
use crate::vm::{ReprGuard, VirtualMachine};
use crate::dictdatatype;
use super::objiter;
use super::objstr;
use crate::dictdatatype;
use crate::obj::objtype::PyClassRef;
use crate::pyobject::PyClassImpl;
pub type DictContentType = dictdatatype::Dict;
@@ -248,17 +248,20 @@ impl ItemProtocol for PyDictRef {
}
macro_rules! dict_iterator {
( $name: ident, $iter_name: ident, $class: ident, $iter_class: ident, $result_fn: expr) => {
( $name: ident, $iter_name: ident, $class: ident, $iter_class: ident, $class_name: literal, $iter_class_name: literal, $result_fn: expr) => {
#[pyclass(name = $class_name, __inside_vm)]
#[derive(Debug)]
struct $name {
pub dict: PyDictRef,
}
#[pyimpl(__inside_vm)]
impl $name {
fn new(dict: PyDictRef) -> Self {
$name { dict: dict }
}
#[pymethod(name = "__iter__")]
fn iter(&self, _vm: &VirtualMachine) -> $iter_name {
$iter_name::new(self.dict.clone())
}
@@ -270,12 +273,14 @@ macro_rules! dict_iterator {
}
}
#[pyclass(name = $iter_class_name, __inside_vm)]
#[derive(Debug)]
struct $iter_name {
pub dict: PyDictRef,
pub position: Cell<usize>,
}
#[pyimpl(__inside_vm)]
impl $iter_name {
fn new(dict: PyDictRef) -> Self {
$iter_name {
@@ -284,6 +289,7 @@ macro_rules! dict_iterator {
}
}
#[pymethod(name = "__next__")]
fn next(&self, vm: &VirtualMachine) -> PyResult {
match self.dict.entries.borrow().next_entry(self.position.get()) {
Some((new_position, key, value)) => {
@@ -294,6 +300,7 @@ macro_rules! dict_iterator {
}
}
#[pymethod(name = "__iter__")]
fn iter(zelf: PyRef<Self>, _vm: &VirtualMachine) -> PyRef<Self> {
zelf
}
@@ -312,6 +319,8 @@ dict_iterator! {
PyDictKeyIterator,
dictkeys_type,
dictkeyiterator_type,
"dictkeys",
"dictkeyiterator",
|_vm: &VirtualMachine, key: &PyObjectRef, _value: &PyObjectRef| key.clone()
}
@@ -320,6 +329,8 @@ dict_iterator! {
PyDictValueIterator,
dictvalues_type,
dictvalueiterator_type,
"dictvalues",
"dictvalueiterator",
|_vm: &VirtualMachine, _key: &PyObjectRef, value: &PyObjectRef| value.clone()
}
@@ -328,6 +339,8 @@ dict_iterator! {
PyDictItemIterator,
dictitems_type,
dictitemiterator_type,
"dictitems",
"dictitemiterator",
|vm: &VirtualMachine, key: &PyObjectRef, value: &PyObjectRef|
vm.ctx.new_tuple(vec![key.clone(), value.clone()])
}
@@ -354,30 +367,10 @@ pub fn init(context: &PyContext) {
"update" => context.new_rustfunc(PyDictRef::update),
});
extend_class!(context, &context.dictkeys_type, {
"__iter__" => context.new_rustfunc(PyDictKeys::iter),
});
extend_class!(context, &context.dictkeyiterator_type, {
"__next__" => context.new_rustfunc(PyDictKeyIterator::next),
"__iter__" => context.new_rustfunc(PyDictKeyIterator::iter),
});
extend_class!(context, &context.dictvalues_type, {
"__iter__" => context.new_rustfunc(PyDictValues::iter),
});
extend_class!(context, &context.dictvalueiterator_type, {
"__next__" => context.new_rustfunc(PyDictValueIterator::next),
"__iter__" => context.new_rustfunc(PyDictValueIterator::iter),
});
extend_class!(context, &context.dictitems_type, {
"__iter__" => context.new_rustfunc(PyDictItems::iter),
});
extend_class!(context, &context.dictitemiterator_type, {
"__next__" => context.new_rustfunc(PyDictItemIterator::next),
"__iter__" => context.new_rustfunc(PyDictItemIterator::iter),
});
PyDictKeys::extend_class(context, &context.dictkeys_type);
PyDictKeyIterator::extend_class(context, &context.dictkeyiterator_type);
PyDictValues::extend_class(context, &context.dictvalues_type);
PyDictValueIterator::extend_class(context, &context.dictvalueiterator_type);
PyDictItems::extend_class(context, &context.dictitems_type);
PyDictItemIterator::extend_class(context, &context.dictitemiterator_type);
}