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core: Initial infrastructure for ndarray

This commit is contained in:
David Mak 2023-11-06 18:03:52 +08:00
parent 03870f222d
commit c395472094
13 changed files with 314 additions and 96 deletions
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11
nac3artiq/src/codegen.rs
View File

@ -400,6 +400,9 @@ fn gen_rpc_tag(
buffer.push(b'l');
gen_rpc_tag(ctx, *ty, buffer)?;
}
TNDArray { .. } => {
todo!()
}
_ => return Err(format!("Unsupported type: {:?}", ctx.unifier.stringify(ty))),
}
}
@ -673,6 +676,14 @@ pub fn attributes_writeback(
values.push((ty, inner_resolver.get_obj_value(py, val, ctx, generator, ty)?.unwrap()));
}
},
TypeEnum::TNDArray { ty: elem_ty, .. } => {
if gen_rpc_tag(ctx, *elem_ty, &mut scratch_buffer).is_ok() {
let pydict = PyDict::new(py);
pydict.set_item("obj", val)?;
host_attributes.append(pydict)?;
values.push((ty, inner_resolver.get_obj_value(py, val, ctx, generator, ty)?.unwrap()));
}
},
_ => {}
}
}

2
nac3artiq/src/lib.rs
View File

@ -85,6 +85,7 @@ pub struct PrimitivePythonId {
float64: u64,
bool: u64,
list: u64,
ndarray: u64,
tuple: u64,
typevar: u64,
const_generic_marker: u64,
@ -879,6 +880,7 @@ impl Nac3 {
float: get_attr_id(builtins_mod, "float"),
float64: get_attr_id(numpy_mod, "float64"),
list: get_attr_id(builtins_mod, "list"),
ndarray: get_attr_id(numpy_mod, "NDArray"),
tuple: get_attr_id(builtins_mod, "tuple"),
exception: get_attr_id(builtins_mod, "Exception"),
option: get_id(artiq_builtins.get_item("Option").ok().flatten().unwrap()),

44
nac3artiq/src/symbol_resolver.rs
View File

@ -302,6 +302,12 @@ impl InnerResolver {
let var = unifier.get_dummy_var().0;
let list = unifier.add_ty(TypeEnum::TList { ty: var });
Ok(Ok((list, false)))
} else if ty_id == self.primitive_ids.ndarray {
// do not handle type var param and concrete check here
let var = unifier.get_dummy_var().0;
let ndims = unifier.get_fresh_const_generic_var(primitives.usize(), None, None).0;
let ndarray = unifier.add_ty(TypeEnum::TNDArray { ty: var, ndims });
Ok(Ok((ndarray, false)))
} else if ty_id == self.primitive_ids.tuple {
// do not handle type var param and concrete check here
Ok(Ok((unifier.add_ty(TypeEnum::TTuple { ty: vec![] }), false)))
@ -446,6 +452,16 @@ impl InnerResolver {
)));
}
}
TypeEnum::TNDArray { .. } => {
if args.len() != 2 {
return Ok(Err(format!(
"type list needs exactly 2 type parameters, found {}",
args.len()
)));
}
todo!()
}
TypeEnum::TTuple { .. } => {
let args = match args
.iter()
@ -607,7 +623,7 @@ impl InnerResolver {
Err(e) => return Ok(Err(e)),
};
match (&*unifier.get_ty(extracted_ty), inst_check) {
// do the instantiation for these three types
// do the instantiation for these four types
(TypeEnum::TList { ty }, false) => {
let len: usize = self.helper.len_fn.call1(py, (obj,))?.extract(py)?;
if len == 0 {
@ -632,6 +648,30 @@ impl InnerResolver {
}
}
}
(TypeEnum::TNDArray { ty, ndims }, false) => {
let len: usize = self.helper.len_fn.call1(py, (obj,))?.extract(py)?;
if len == 0 {
assert!(matches!(
&*unifier.get_ty(*ty),
TypeEnum::TVar { fields: None, range, .. }
if range.is_empty()
));
Ok(Ok(extracted_ty))
} else {
let actual_ty =
self.get_list_elem_type(py, obj, len, unifier, defs, primitives)?;
match actual_ty {
Ok(t) => match unifier.unify(*ty, t) {
Ok(_) => Ok(Ok(unifier.add_ty(TypeEnum::TNDArray { ty: *ty, ndims: *ndims }))),
Err(e) => Ok(Err(format!(
"type error ({}) for the ndarray",
e.to_display(unifier).to_string()
))),
},
Err(e) => Ok(Err(e)),
}
}
}
(TypeEnum::TTuple { .. }, false) => {
let elements: &PyTuple = obj.downcast()?;
let types: Result<Result<Vec<_>, _>, _> = elements
@ -898,6 +938,8 @@ impl InnerResolver {
global.set_initializer(&val);
Ok(Some(global.as_pointer_value().into()))
} else if ty_id == self.primitive_ids.ndarray {
todo!()
} else if ty_id == self.primitive_ids.tuple {
let expected_ty_enum = ctx.unifier.get_ty_immutable(expected_ty);
let TypeEnum::TTuple { ty } = expected_ty_enum.as_ref() else {

14
nac3core/src/codegen/concrete_type.rs
View File

@ -47,6 +47,10 @@ pub enum ConcreteTypeEnum {
TList {
ty: ConcreteType,
},
TNDArray {
ty: ConcreteType,
ndims: ConcreteType,
},
TObj {
obj_id: DefinitionId,
fields: HashMap<StrRef, (ConcreteType, bool)>,
@ -167,6 +171,10 @@ impl ConcreteTypeStore {
TypeEnum::TList { ty } => ConcreteTypeEnum::TList {
ty: self.from_unifier_type(unifier, primitives, *ty, cache),
},
TypeEnum::TNDArray { ty, ndims } => ConcreteTypeEnum::TNDArray {
ty: self.from_unifier_type(unifier, primitives, *ty, cache),
ndims: self.from_unifier_type(unifier, primitives, *ndims, cache),
},
TypeEnum::TObj { obj_id, fields, params } => ConcreteTypeEnum::TObj {
obj_id: *obj_id,
fields: fields
@ -260,6 +268,12 @@ impl ConcreteTypeStore {
ConcreteTypeEnum::TList { ty } => {
TypeEnum::TList { ty: self.to_unifier_type(unifier, primitives, *ty, cache) }
}
ConcreteTypeEnum::TNDArray { ty, ndims } => {
TypeEnum::TNDArray {
ty: self.to_unifier_type(unifier, primitives, *ty, cache),
ndims: self.to_unifier_type(unifier, primitives, *ndims, cache),
}
}
ConcreteTypeEnum::TVirtual { ty } => {
TypeEnum::TVirtual { ty: self.to_unifier_type(unifier, primitives, *ty, cache) }
}

3
nac3core/src/codegen/expr.rs
View File

@ -1846,6 +1846,9 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
ctx.build_gep_and_load(arr_ptr, &[index], None).into()
}
}
TypeEnum::TNDArray { .. } => {
return Err(String::from("subscript operator for ndarray not implemented"))
}
TypeEnum::TTuple { .. } => {
let index: u32 =
if let ExprKind::Constant { value: Constant::Int(v), .. } = &slice.node {

18
nac3core/src/codegen/mod.rs
View File

@ -507,6 +507,24 @@ fn get_llvm_type<'ctx>(
];
ctx.struct_type(&fields, false).ptr_type(AddressSpace::default()).into()
}
TNDArray { ty, .. } => {
let llvm_usize = generator.get_size_type(ctx);
let element_type = get_llvm_type(
ctx, module, generator, unifier, top_level, type_cache, primitives, *ty,
);
// struct NDArray { num_dims: size_t, dims: size_t*, data: T* }
//
// * num_dims: Number of dimensions in the array
// * dims: Pointer to an array containing the size of each dimension
// * data: Pointer to an array containing the array data
let fields = [
llvm_usize.into(),
llvm_usize.ptr_type(AddressSpace::default()).into(),
element_type.ptr_type(AddressSpace::default()).into(),
];
ctx.struct_type(&fields, false).ptr_type(AddressSpace::default()).into()
}
TVirtual { .. } => unimplemented!(),
_ => unreachable!("{}", ty_enum.get_type_name()),
};

122
nac3core/src/codegen/stmt.rs
View File

@ -99,63 +99,69 @@ pub fn gen_store_target<'ctx, G: CodeGenerator>(
}
}
ExprKind::Subscript { value, slice, .. } => {
assert!(matches!(
ctx.unifier.get_ty_immutable(value.custom.unwrap()).as_ref(),
TypeEnum::TList { .. },
));
let i32_type = ctx.ctx.i32_type();
let zero = i32_type.const_zero();
let v = if let Some(v) = generator.gen_expr(ctx, value)? {
v.to_basic_value_enum(ctx, generator, value.custom.unwrap())?.into_pointer_value()
} else {
return Ok(None)
};
let len = ctx
.build_gep_and_load(v, &[zero, i32_type.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = if let Some(v) = generator.gen_expr(ctx, slice)? {
v.to_basic_value_enum(ctx, generator, slice.custom.unwrap())?.into_int_value()
} else {
return Ok(None)
};
let raw_index = ctx.builder.build_int_s_extend(
raw_index,
generator.get_size_type(ctx.ctx),
"sext",
);
// handle negative index
let is_negative = ctx.builder.build_int_compare(
IntPredicate::SLT,
raw_index,
generator.get_size_type(ctx.ctx).const_zero(),
"is_neg",
);
let adjusted = ctx.builder.build_int_add(raw_index, len, "adjusted");
let index = ctx
.builder
.build_select(is_negative, adjusted, raw_index, "index")
.into_int_value();
// unsigned less than is enough, because negative index after adjustment is
// bigger than the length (for unsigned cmp)
let bound_check = ctx.builder.build_int_compare(
IntPredicate::ULT,
index,
len,
"inbound",
);
ctx.make_assert(
generator,
bound_check,
"0:IndexError",
"index {0} out of bounds 0:{1}",
[Some(raw_index), Some(len), None],
slice.location,
);
unsafe {
let arr_ptr = ctx
.build_gep_and_load(v, &[i32_type.const_zero(), i32_type.const_zero()], Some("arr.addr"))
.into_pointer_value();
ctx.builder.build_gep(arr_ptr, &[index], name.unwrap_or(""))
match ctx.unifier.get_ty_immutable(value.custom.unwrap()).as_ref() {
TypeEnum::TList { .. } => {
let i32_type = ctx.ctx.i32_type();
let zero = i32_type.const_zero();
let v = generator
.gen_expr(ctx, value)?
.unwrap()
.to_basic_value_enum(ctx, generator, value.custom.unwrap())?
.into_pointer_value();
let len = ctx
.build_gep_and_load(v, &[zero, i32_type.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = generator
.gen_expr(ctx, slice)?
.unwrap()
.to_basic_value_enum(ctx, generator, slice.custom.unwrap())?
.into_int_value();
let raw_index = ctx.builder.build_int_s_extend(
raw_index,
generator.get_size_type(ctx.ctx),
"sext",
);
// handle negative index
let is_negative = ctx.builder.build_int_compare(
IntPredicate::SLT,
raw_index,
generator.get_size_type(ctx.ctx).const_zero(),
"is_neg",
);
let adjusted = ctx.builder.build_int_add(raw_index, len, "adjusted");
let index = ctx
.builder
.build_select(is_negative, adjusted, raw_index, "index")
.into_int_value();
// unsigned less than is enough, because negative index after adjustment is
// bigger than the length (for unsigned cmp)
let bound_check = ctx.builder.build_int_compare(
IntPredicate::ULT,
index,
len,
"inbound",
);
ctx.make_assert(
generator,
bound_check,
"0:IndexError",
"index {0} out of bounds 0:{1}",
[Some(raw_index), Some(len), None],
slice.location,
);
unsafe {
let arr_ptr = ctx
.build_gep_and_load(v, &[i32_type.const_zero(), i32_type.const_zero()], Some("arr.addr"))
.into_pointer_value();
ctx.builder.build_gep(arr_ptr, &[index], name.unwrap_or(""))
}
}
TypeEnum::TNDArray { .. } => {
todo!()
}
_ => unreachable!(),
}
}
_ => unreachable!(),
@ -203,7 +209,7 @@ pub fn gen_assign<'ctx, G: CodeGenerator>(
let value = value
.to_basic_value_enum(ctx, generator, target.custom.unwrap())?
.into_pointer_value();
let TypeEnum::TList { ty } = &*ctx.unifier.get_ty(target.custom.unwrap()) else {
let (TypeEnum::TList { ty } | TypeEnum::TNDArray { ty, .. }) = &*ctx.unifier.get_ty(target.custom.unwrap()) else {
unreachable!()
};

29
nac3core/src/symbol_resolver.rs
View File

@ -354,13 +354,14 @@ pub trait SymbolResolver {
}
thread_local! {
static IDENTIFIER_ID: [StrRef; 11] = [
static IDENTIFIER_ID: [StrRef; 12] = [
"int32".into(),
"int64".into(),
"float".into(),
"bool".into(),
"virtual".into(),
"list".into(),
"ndarray".into(),
"tuple".into(),
"str".into(),
"Exception".into(),
@ -385,11 +386,12 @@ pub fn parse_type_annotation<T>(
let bool_id = ids[3];
let virtual_id = ids[4];
let list_id = ids[5];
let tuple_id = ids[6];
let str_id = ids[7];
let exn_id = ids[8];
let uint32_id = ids[9];
let uint64_id = ids[10];
let ndarray_id = ids[6];
let tuple_id = ids[7];
let str_id = ids[8];
let exn_id = ids[9];
let uint32_id = ids[10];
let uint64_id = ids[11];
let name_handling = |id: &StrRef, loc: Location, unifier: &mut Unifier| {
if *id == int32_id {
@ -460,6 +462,21 @@ pub fn parse_type_annotation<T>(
} else if *id == list_id {
let ty = parse_type_annotation(resolver, top_level_defs, unifier, primitives, slice)?;
Ok(unifier.add_ty(TypeEnum::TList { ty }))
} else if *id == ndarray_id {
let Tuple { elts, .. } = &slice.node else {
return Err(HashSet::from([
String::from("Expected 2 type arguments for ndarray"),
]))
};
if elts.len() < 2 {
return Err(HashSet::from([
String::from("Expected 2 type arguments for ndarray"),
]))
}
let ty = parse_type_annotation(resolver, top_level_defs, unifier, primitives, &elts[0])?;
let ndims = parse_type_annotation(resolver, top_level_defs, unifier, primitives, &elts[1])?;
Ok(unifier.add_ty(TypeEnum::TNDArray { ty, ndims }))
} else if *id == tuple_id {
if let Tuple { elts, .. } = &slice.node {
let ty = elts

59
nac3core/src/toplevel/builtins.rs
View File

@ -470,6 +470,22 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
)))),
loc: None,
})),
{
let tvar = primitives.1.get_fresh_var(Some("T".into()), None);
let ndims = primitives.1.get_fresh_const_generic_var(primitives.0.uint64, Some("N".into()), None);
Arc::new(RwLock::new(TopLevelDef::Class {
name: "ndarray".into(),
object_id: DefinitionId(14),
type_vars: vec![tvar.0, ndims.0],
fields: Vec::default(),
methods: Vec::default(),
ancestors: Vec::default(),
constructor: None,
resolver: None,
loc: None,
}))
},
Arc::new(RwLock::new(TopLevelDef::Function {
name: "int32".into(),
simple_name: "int32".into(),
@ -1265,10 +1281,13 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
}),
),
Arc::new(RwLock::new({
let list_var = primitives.1.get_fresh_var(Some("L".into()), None);
let list = primitives.1.add_ty(TypeEnum::TList { ty: list_var.0 });
let tvar = primitives.1.get_fresh_var(Some("L".into()), None);
let list = primitives.1.add_ty(TypeEnum::TList { ty: tvar.0 });
let ndims = primitives.1.get_fresh_const_generic_var(primitives.0.uint64, Some("N".into()), None);
let ndarray = primitives.1.add_ty(TypeEnum::TNDArray { ty: tvar.0, ndims: ndims.0 });
let arg_ty = primitives.1.get_fresh_var_with_range(
&[list, primitives.0.range],
&[list, ndarray, primitives.0.range],
Some("I".into()),
None,
);
@ -1278,7 +1297,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
signature: primitives.1.add_ty(TypeEnum::TFunc(FunSignature {
args: vec![FuncArg { name: "ls".into(), ty: arg_ty.0, default_value: None }],
ret: int32,
vars: vec![(list_var.1, list_var.0), (arg_ty.1, arg_ty.0)]
vars: vec![(tvar.1, tvar.0), (arg_ty.1, arg_ty.0)]
.into_iter()
.collect(),
})),
@ -1296,19 +1315,25 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
let (start, end, step) = destructure_range(ctx, arg);
Some(calculate_len_for_slice_range(generator, ctx, start, end, step).into())
} else {
let int32 = ctx.ctx.i32_type();
let zero = int32.const_zero();
let len = ctx
.build_gep_and_load(
arg.into_pointer_value(),
&[zero, int32.const_int(1, false)],
None,
)
.into_int_value();
if len.get_type().get_bit_width() == 32 {
Some(len.into())
} else {
Some(ctx.builder.build_int_truncate(len, int32, "len2i32").into())
match &*ctx.unifier.get_ty_immutable(arg_ty) {
TypeEnum::TList { .. } => {
let int32 = ctx.ctx.i32_type();
let zero = int32.const_zero();
let len = ctx
.build_gep_and_load(
arg.into_pointer_value(),
&[zero, int32.const_int(1, false)],
None,
)
.into_int_value();
if len.get_type().get_bit_width() == 32 {
Some(len.into())
} else {
Some(ctx.builder.build_int_truncate(len, int32, "len2i32").into())
}
}
TypeEnum::TNDArray { .. } => todo!(),
_ => unreachable!(),
}
})
},

23
nac3core/src/toplevel/type_annotation.rs
View File

@ -491,11 +491,24 @@ pub fn get_type_from_type_annotation_kinds(
(*name, (subst_ty, *mutability))
}));
let need_subst = !subst.is_empty();
let ty = unifier.add_ty(TypeEnum::TObj {
obj_id: *obj_id,
fields: tobj_fields,
params: subst,
});
let ty = if obj_id == &DefinitionId(14) {
assert_eq!(subst.len(), 2);
let tv_tys = subst.iter()
.sorted_by_key(|(k, _)| *k)
.map(|(_, v)| v)
.collect_vec();
unifier.add_ty(TypeEnum::TNDArray {
ty: *tv_tys[0],
ndims: *tv_tys[1],
})
} else {
unifier.add_ty(TypeEnum::TObj {
obj_id: *obj_id,
fields: tobj_fields,
params: subst,
})
};
if need_subst {
if let Some(wl) = subst_list.as_mut() {
wl.push(ty);

27
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -223,8 +223,12 @@ impl<'a> Fold<()> for Inferencer<'a> {
if self.unifier.unioned(iter.custom.unwrap(), self.primitives.range) {
self.unify(self.primitives.int32, target.custom.unwrap(), &target.location)?;
} else {
let list = self.unifier.add_ty(TypeEnum::TList { ty: target.custom.unwrap() });
self.unify(list, iter.custom.unwrap(), &iter.location)?;
let list_like_ty = match &*self.unifier.get_ty(iter.custom.unwrap()) {
TypeEnum::TList { .. } => self.unifier.add_ty(TypeEnum::TList { ty: target.custom.unwrap() }),
TypeEnum::TNDArray { .. } => todo!(),
_ => unreachable!(),
};
self.unify(list_like_ty, iter.custom.unwrap(), &iter.location)?;
}
let body =
body.into_iter().map(|b| self.fold_stmt(b)).collect::<Result<Vec<_>, _>>()?;
@ -1137,9 +1141,13 @@ impl<'a> Inferencer<'a> {
for v in [lower.as_ref(), upper.as_ref(), step.as_ref()].iter().flatten() {
self.constrain(v.custom.unwrap(), self.primitives.int32, &v.location)?;
}
let list = self.unifier.add_ty(TypeEnum::TList { ty });
self.constrain(value.custom.unwrap(), list, &value.location)?;
Ok(list)
let list_like_ty = match &*self.unifier.get_ty(value.custom.unwrap()) {
TypeEnum::TList { .. } => self.unifier.add_ty(TypeEnum::TList { ty }),
TypeEnum::TNDArray { ndims, .. } => self.unifier.add_ty(TypeEnum::TNDArray { ty, ndims: *ndims }),
_ => unreachable!()
};
self.constrain(value.custom.unwrap(), list_like_ty, &value.location)?;
Ok(list_like_ty)
}
ExprKind::Constant { value: ast::Constant::Int(val), .. } => {
// the index is a constant, so value can be a sequence.
@ -1159,10 +1167,15 @@ impl<'a> Inferencer<'a> {
{
return report_error("Tuple index must be a constant (KernelInvariant is also not supported)", slice.location)
}
// the index is not a constant, so value can only be a list
self.constrain(slice.custom.unwrap(), self.primitives.int32, &slice.location)?;
let list = self.unifier.add_ty(TypeEnum::TList { ty });
self.constrain(value.custom.unwrap(), list, &value.location)?;
let list_like_ty = match &*self.unifier.get_ty(value.custom.unwrap()) {
TypeEnum::TList { .. } => self.unifier.add_ty(TypeEnum::TList { ty }),
TypeEnum::TNDArray { .. } => todo!(),
_ => unreachable!(),
};
self.constrain(value.custom.unwrap(), list_like_ty, &value.location)?;
Ok(ty)
}
}

57
nac3core/src/typecheck/typedef/mod.rs
View File

@ -159,6 +159,11 @@ pub enum TypeEnum {
ty: Type,
},
TNDArray {
ty: Type,
ndims: Type,
},
/// An object type.
TObj {
/// The [DefintionId] of this object type.
@ -193,6 +198,7 @@ impl TypeEnum {
TypeEnum::TLiteral { .. } => "TConstant",
TypeEnum::TTuple { .. } => "TTuple",
TypeEnum::TList { .. } => "TList",
TypeEnum::TNDArray { .. } => "TNDArray",
TypeEnum::TObj { .. } => "TObj",
TypeEnum::TVirtual { .. } => "TVirtual",
TypeEnum::TCall { .. } => "TCall",
@ -418,6 +424,9 @@ impl Unifier {
TypeEnum::TList { ty } => self
.get_instantiations(*ty)
.map(|ty| ty.iter().map(|&ty| self.add_ty(TypeEnum::TList { ty })).collect_vec()),
TypeEnum::TNDArray { ty, ndims } => self
.get_instantiations(*ty)
.map(|ty| ty.iter().map(|&ty| self.add_ty(TypeEnum::TNDArray { ty, ndims: *ndims })).collect_vec()),
TypeEnum::TVirtual { ty } => self.get_instantiations(*ty).map(|ty| {
ty.iter().map(|&ty| self.add_ty(TypeEnum::TVirtual { ty })).collect_vec()
}),
@ -470,6 +479,7 @@ impl Unifier {
TVar { .. } => allowed_typevars.iter().any(|b| self.unification_table.unioned(a, *b)),
TCall { .. } => false,
TList { ty } | TVirtual { ty } => self.is_concrete(*ty, allowed_typevars),
TNDArray { ty, .. } => self.is_concrete(*ty, allowed_typevars),
TTuple { ty } => ty.iter().all(|ty| self.is_concrete(*ty, allowed_typevars)),
TObj { params: vars, .. } => {
vars.values().all(|ty| self.is_concrete(*ty, allowed_typevars))
@ -717,7 +727,8 @@ impl Unifier {
self.unify_impl(x, b, false)?;
self.set_a_to_b(a, x);
}
(TVar { fields: Some(fields), range, is_const_generic: false, .. }, TList { ty }) => {
(TVar { fields: Some(fields), range, is_const_generic: false, .. }, TList { ty }) |
(TVar { fields: Some(fields), range, is_const_generic: false, .. }, TNDArray { ty, .. }) => {
for (k, v) in fields {
match *k {
RecordKey::Int(_) => {
@ -829,6 +840,15 @@ impl Unifier {
}
self.set_a_to_b(a, b);
}
(TNDArray { ty: ty1, ndims: ndims1 }, TNDArray { ty: ty2, ndims: ndims2 }) => {
if self.unify_impl(*ty1, *ty2, false).is_err() {
return self.incompatible_types(a, b)
}
if self.unify_impl(*ndims1, *ndims2, false).is_err() {
return self.incompatible_types(a, b)
}
self.set_a_to_b(a, b);
}
(TVar { fields: Some(map), range, .. }, TObj { fields, .. }) => {
for (k, field) in map {
match *k {
@ -1076,6 +1096,13 @@ impl Unifier {
TypeEnum::TList { ty } => {
format!("list[{}]", self.internal_stringify(*ty, obj_to_name, var_to_name, notes))
}
TypeEnum::TNDArray { ty, ndims } => {
format!(
"ndarray[{}, {}]",
self.internal_stringify(*ty, obj_to_name, var_to_name, notes),
self.internal_stringify(*ndims, obj_to_name, var_to_name, notes),
)
}
TypeEnum::TVirtual { ty } => {
format!(
"virtual[{}]",
@ -1195,7 +1222,7 @@ impl Unifier {
// variables, i.e. things like TRecord, TCall should not occur, and we
// should be safe to not implement the substitution for those variants.
match &*ty {
TypeEnum::TRigidVar { .. } => None,
TypeEnum::TRigidVar { .. } | TypeEnum::TLiteral { .. } => None,
TypeEnum::TVar { id, .. } => mapping.get(id).copied(),
TypeEnum::TTuple { ty } => {
let mut new_ty = Cow::from(ty);
@ -1213,6 +1240,19 @@ impl Unifier {
TypeEnum::TList { ty } => {
self.subst_impl(*ty, mapping, cache).map(|t| self.add_ty(TypeEnum::TList { ty: t }))
}
TypeEnum::TNDArray { ty, ndims } => {
let new_ty = self.subst_impl(*ty, mapping, cache);
let new_ndims = self.subst_impl(*ndims, mapping, cache);
if new_ty.is_some() || new_ndims.is_some() {
Some(self.add_ty(TypeEnum::TNDArray {
ty: new_ty.unwrap_or(*ty),
ndims: new_ndims.unwrap_or(*ndims)
}))
} else {
None
}
}
TypeEnum::TVirtual { ty } => self
.subst_impl(*ty, mapping, cache)
.map(|t| self.add_ty(TypeEnum::TVirtual { ty: t })),
@ -1383,6 +1423,19 @@ impl Unifier {
(TList { ty: ty1 }, TList { ty: ty2 }) => {
Ok(self.get_intersection(*ty1, *ty2)?.map(|ty| self.add_ty(TList { ty })))
}
(TNDArray { ty: ty1, ndims: ndims1 }, TNDArray { ty: ty2, ndims: ndims2 }) => {
let ty = self.get_intersection(*ty1, *ty2)?;
let ndims = self.get_intersection(*ndims1, *ndims2)?;
Ok(if ty.is_some() || ndims.is_some() {
Some(self.add_ty(TNDArray {
ty: ty.unwrap_or(*ty1),
ndims: ndims.unwrap_or(*ndims1),
}))
} else {
None
})
}
(TVirtual { ty: ty1 }, TVirtual { ty: ty2 }) => {
Ok(self.get_intersection(*ty1, *ty2)?.map(|ty| self.add_ty(TVirtual { ty })))
}

1
nac3core/src/typecheck/typedef/test.rs
View File

@ -33,6 +33,7 @@ impl Unifier {
&& ty1.iter().zip(ty2.iter()).all(|(t1, t2)| self.eq(*t1, *t2))
}
(TypeEnum::TList { ty: ty1 }, TypeEnum::TList { ty: ty2 })
| (TypeEnum::TNDArray { ty: ty1 }, TypeEnum::TNDArray { ty: ty2 })
| (TypeEnum::TVirtual { ty: ty1 }, TypeEnum::TVirtual { ty: ty2 }) => {
self.eq(*ty1, *ty2)
}