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nac3core/artiq: use none instead of None

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This commit is contained in:
ychenfo 2022-03-23 05:10:18 +08:00
parent 71d92a7a18
commit 762a7ccc14
6 changed files with 126 additions and 99 deletions
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7
nac3artiq/demo/min_artiq.py
View File

@ -11,7 +11,7 @@ from embedding_map import EmbeddingMap
__all__ = [
"Kernel", "KernelInvariant", "virtual",
"Option", "Some",
"Option", "Some", "none",
"round64", "floor64", "ceil64",
"extern", "kernel", "portable", "nac3",
"rpc", "ms", "us", "ns",
@ -50,19 +50,20 @@ class Option(Generic[T]):
def __repr__(self) -> str:
if self.is_none():
return "Option(None)"
return "none"
else:
return "Some({})".format(repr(self._nac3_option))
def __str__(self) -> str:
if self.is_none():
return "None"
return "none"
else:
return "Some({})".format(str(self._nac3_option))
def Some(v: T) -> Option[T]:
return Option(v)
none = Option(None)
def round64(x):
return round(x)

9
nac3artiq/src/lib.rs
View File

@ -353,7 +353,6 @@ impl Nac3 {
let builtins_mod = PyModule::import(py, "builtins").unwrap();
let id_fn = builtins_mod.getattr("id").unwrap();
let type_fn = builtins_mod.getattr("type").unwrap();
let numpy_mod = PyModule::import(py, "numpy").unwrap();
let typing_mod = PyModule::import(py, "typing").unwrap();
let types_mod = PyModule::import(py, "types").unwrap();
@ -376,7 +375,13 @@ impl Nac3 {
get_attr_id(types_mod, "GenericAlias"),
),
none: id_fn
.call1((type_fn.call1((builtins_mod.getattr("None").unwrap(),)).unwrap(),))
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("none")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),

57
nac3artiq/src/symbol_resolver.rs
View File

@ -282,24 +282,7 @@ impl InnerResolver {
} else if ty_id == self.primitive_ids.option {
Ok(Ok((primitives.option, false)))
} else if ty_id == self.primitive_ids.none {
if let TypeEnum::TObj { params, .. } =
unifier.get_ty_immutable(primitives.option).as_ref()
{
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } = &*unifier.get_ty(*ty) {
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
unreachable!()
}
})
.collect::<HashMap<_, _>>();
Ok(Ok((unifier.subst(primitives.option, &var_map).unwrap(), true)))
} else {
unreachable!("must be tobj")
}
unreachable!("none cannot be typeid")
} else if let Some(def_id) = self.pyid_to_def.read().get(&ty_id).cloned() {
let def = defs[def_id.0].read();
if let TopLevelDef::Class { object_id, type_vars, fields, methods, .. } = &*def {
@ -597,14 +580,32 @@ impl InnerResolver {
{
let field_data = match obj.getattr("_nac3_option") {
Ok(d) => d,
// None should be already handled above
// we use `none = Option(None)`, so the obj always have attr `_nac3_option`
Err(_) => unreachable!("cannot be None")
};
let field_obj_id: u64 = self.helper.id_fn.call1(py, (field_data,))?.extract(py)?;
let zelf_obj_id: u64 = self.helper.id_fn.call1(py, (obj,))?.extract(py)?;
if field_obj_id == zelf_obj_id {
return Ok(Err("self recursive option type is not allowed".into()))
// if is `none`
let zelf_id: u64 = self.helper.id_fn.call1(py, (obj,))?.extract(py)?;
if zelf_id == self.primitive_ids.none {
if let TypeEnum::TObj { params, .. } =
unifier.get_ty_immutable(primitives.option).as_ref()
{
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } = &*unifier.get_ty(*ty) {
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
unreachable!()
}
})
.collect::<HashMap<_, _>>();
return Ok(Ok(unifier.subst(primitives.option, &var_map).unwrap()))
} else {
unreachable!("must be tobj")
}
}
let ty = match self.get_obj_type(py, field_data, unifier, defs, primitives)? {
Ok(t) => t,
Err(e) => {
@ -845,6 +846,11 @@ impl InnerResolver {
global.set_initializer(&val);
Ok(Some(global.as_pointer_value().into()))
} else if ty_id == self.primitive_ids.option {
if id == self.primitive_ids.none {
// for option type, just a null ptr, whose type needs to be casted in codegen
// according to the type info attached in the ast
Ok(Some(ctx.ctx.i8_type().ptr_type(AddressSpace::Generic).const_null().into()))
} else {
match self
.get_obj_value(py, obj.getattr("_nac3_option").unwrap(), ctx, generator)
.map_err(|e| {
@ -871,10 +877,7 @@ impl InnerResolver {
},
None => Ok(None),
}
} else if ty_id == self.primitive_ids.none {
// for option type, just a null ptr, whose type needs to be casted in codegen
// according to the type info attached in the ast
Ok(Some(ctx.ctx.i8_type().ptr_type(AddressSpace::Generic).const_null().into()))
}
} else {
let id_str = id.to_string();

32
nac3core/src/codegen/expr.rs
View File

@ -200,22 +200,6 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
val
}
}
Constant::None => {
match (
self.unifier.get_ty(ty).as_ref(),
self.unifier.get_ty(self.primitives.option).as_ref(),
) {
(
TypeEnum::TObj { obj_id, params, .. },
TypeEnum::TObj { obj_id: opt_id, .. },
) if *obj_id == *opt_id => self
.get_llvm_type(generator, *params.iter().next().unwrap().1)
.ptr_type(AddressSpace::Generic)
.const_null()
.into(),
_ => unreachable!("must be option type"),
}
}
_ => unreachable!(),
}
}
@ -951,6 +935,22 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
let ty = expr.custom.unwrap();
ctx.gen_const(generator, value, ty).into()
}
ExprKind::Name { id, .. } if id == &"none".into() => {
match (
ctx.unifier.get_ty(expr.custom.unwrap()).as_ref(),
ctx.unifier.get_ty(ctx.primitives.option).as_ref(),
) {
(
TypeEnum::TObj { obj_id, params, .. },
TypeEnum::TObj { obj_id: opt_id, .. },
) if *obj_id == *opt_id => ctx
.get_llvm_type(generator, *params.iter().next().unwrap().1)
.ptr_type(AddressSpace::Generic)
.const_null()
.into(),
_ => unreachable!("must be option type"),
}
}
ExprKind::Name { id, .. } => match ctx.var_assignment.get(id) {
Some((ptr, None, _)) => ctx.builder.build_load(*ptr, "load").into(),
Some((_, Some(static_value), _)) => ValueEnum::Static(static_value.clone()),

5
nac3core/src/typecheck/function_check.rs
View File

@ -20,6 +20,8 @@ impl<'a> Inferencer<'a> {
defined_identifiers: &mut HashSet<StrRef>,
) -> Result<(), String> {
match &pattern.node {
ast::ExprKind::Name { id, .. } if id == &"none".into() =>
Err(format!("cannot assign to a `none` (at {})", pattern.location)),
ExprKind::Name { id, .. } => {
if !defined_identifiers.contains(id) {
defined_identifiers.insert(*id);
@ -70,6 +72,9 @@ impl<'a> Inferencer<'a> {
}
match &expr.node {
ExprKind::Name { id, .. } => {
if id == &"none".into() {
return Ok(());
}
self.should_have_value(expr)?;
if !defined_identifiers.contains(id) {
match self.function_data.resolver.get_symbol_type(

35
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -449,6 +449,27 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
Some(self.infer_constant(value, &expr.location)?)
}
ast::ExprKind::Name { id, .. } => {
// the name `none` is special since it may have different types
if id == &"none".into() {
if let TypeEnum::TObj { params, .. } =
self.unifier.get_ty_immutable(self.primitives.option).as_ref()
{
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } = &*self.unifier.get_ty(*ty) {
assert_eq!(*id, *id_var);
(*id, self.unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
unreachable!()
}
})
.collect::<HashMap<_, _>>();
Some(self.unifier.subst(self.primitives.option, &var_map).unwrap())
} else {
unreachable!("must be tobj")
}
} else {
if !self.defined_identifiers.contains(id) {
match self.function_data.resolver.get_symbol_type(
self.unifier,
@ -469,6 +490,7 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
}
Some(self.infer_identifier(*id)?)
}
}
ast::ExprKind::List { elts, .. } => Some(self.infer_list(elts)?),
ast::ExprKind::Tuple { elts, .. } => Some(self.infer_tuple(elts)?),
ast::ExprKind::Attribute { value, attr, ctx } => {
@ -933,17 +955,8 @@ impl<'a> Inferencer<'a> {
Ok(self.unifier.add_ty(TypeEnum::TTuple { ty: ty? }))
}
ast::Constant::Str(_) => Ok(self.primitives.str),
ast::Constant::None => {
let option_ty = self.primitives.option;
let new_mapping = if let TypeEnum::TObj { params, .. } = &*self.unifier.get_ty_immutable(option_ty) {
let (id, _) = params.iter().next().unwrap();
// None can be Option[Any]
vec![(*id, self.unifier.get_fresh_var(None, None).0)].into_iter().collect()
} else {
unreachable!("option must be tobj")
};
Ok(self.unifier.subst(option_ty, &new_mapping).unwrap())
}
ast::Constant::None
=> report_error("CPython `None` not supported (nac3 uses `none` instead)", *loc),
_ => report_error("not supported", *loc),
}
}