core/magic_methods: Allow unknown return types
These types can be later inferred by the type inferencer.
parent
d47c18bdcb
commit
cf482cdeac
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@ -90,7 +90,7 @@ pub fn impl_binop(
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_store: &PrimitiveStore,
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ty: Type,
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other_ty: &[Type],
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ret_ty: Type,
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ret_ty: Option<Type>,
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ops: &[Operator],
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) {
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with_fields(unifier, ty, |unifier, fields| {
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@ -107,6 +107,8 @@ pub fn impl_binop(
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VarMap::new()
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};
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let ret_ty = ret_ty.unwrap_or_else(|| unifier.get_fresh_var(None, None).0);
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for op in ops {
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fields.insert(binop_name(op).into(), {
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(
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@ -193,7 +195,7 @@ pub fn impl_basic_arithmetic(
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store: &PrimitiveStore,
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ty: Type,
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other_ty: &[Type],
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ret_ty: Type,
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ret_ty: Option<Type>,
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) {
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impl_binop(
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unifier,
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@ -211,7 +213,7 @@ pub fn impl_pow(
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store: &PrimitiveStore,
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ty: Type,
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other_ty: &[Type],
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ret_ty: Type,
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ret_ty: Option<Type>,
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) {
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impl_binop(unifier, store, ty, other_ty, ret_ty, &[Operator::Pow]);
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}
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@ -223,19 +225,19 @@ pub fn impl_bitwise_arithmetic(unifier: &mut Unifier, store: &PrimitiveStore, ty
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store,
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ty,
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&[ty],
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ty,
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Some(ty),
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&[Operator::BitAnd, Operator::BitOr, Operator::BitXor],
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);
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}
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/// `LShift`, `RShift`
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pub fn impl_bitwise_shift(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) {
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impl_binop(unifier, store, ty, &[store.int32, store.uint32], ty, &[Operator::LShift, Operator::RShift]);
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impl_binop(unifier, store, ty, &[store.int32, store.uint32], Some(ty), &[Operator::LShift, Operator::RShift]);
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}
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/// `Div`
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pub fn impl_div(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type]) {
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impl_binop(unifier, store, ty, other_ty, store.float, &[Operator::Div]);
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impl_binop(unifier, store, ty, other_ty, Some(store.float), &[Operator::Div]);
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}
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/// `FloorDiv`
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@ -244,7 +246,7 @@ pub fn impl_floordiv(
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store: &PrimitiveStore,
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ty: Type,
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other_ty: &[Type],
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ret_ty: Type,
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ret_ty: Option<Type>,
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) {
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impl_binop(unifier, store, ty, other_ty, ret_ty, &[Operator::FloorDiv]);
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}
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@ -255,7 +257,7 @@ pub fn impl_mod(
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store: &PrimitiveStore,
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ty: Type,
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other_ty: &[Type],
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ret_ty: Type,
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ret_ty: Option<Type>,
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) {
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impl_binop(unifier, store, ty, other_ty, ret_ty, &[Operator::Mod]);
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}
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@ -304,13 +306,13 @@ pub fn set_primitives_magic_methods(store: &PrimitiveStore, unifier: &mut Unifie
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/* int ======== */
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for t in [int32_t, int64_t, uint32_t, uint64_t] {
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impl_basic_arithmetic(unifier, store, t, &[t], t);
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impl_pow(unifier, store, t, &[t], t);
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impl_basic_arithmetic(unifier, store, t, &[t], Some(t));
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impl_pow(unifier, store, t, &[t], Some(t));
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impl_bitwise_arithmetic(unifier, store, t);
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impl_bitwise_shift(unifier, store, t);
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impl_div(unifier, store, t, &[t]);
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impl_floordiv(unifier, store, t, &[t], t);
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impl_mod(unifier, store, t, &[t], t);
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impl_floordiv(unifier, store, t, &[t], Some(t));
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impl_mod(unifier, store, t, &[t], Some(t));
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impl_invert(unifier, store, t);
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impl_not(unifier, store, t);
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impl_comparison(unifier, store, t, t);
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@ -321,11 +323,11 @@ pub fn set_primitives_magic_methods(store: &PrimitiveStore, unifier: &mut Unifie
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}
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/* float ======== */
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impl_basic_arithmetic(unifier, store, float_t, &[float_t], float_t);
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impl_pow(unifier, store, float_t, &[int32_t, float_t], float_t);
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impl_basic_arithmetic(unifier, store, float_t, &[float_t], Some(float_t));
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impl_pow(unifier, store, float_t, &[int32_t, float_t], Some(float_t));
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impl_div(unifier, store, float_t, &[float_t]);
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impl_floordiv(unifier, store, float_t, &[float_t], float_t);
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impl_mod(unifier, store, float_t, &[float_t], float_t);
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impl_floordiv(unifier, store, float_t, &[float_t], Some(float_t));
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impl_mod(unifier, store, float_t, &[float_t], Some(float_t));
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impl_sign(unifier, store, float_t);
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impl_not(unifier, store, float_t);
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impl_comparison(unifier, store, float_t, float_t);
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