diff options
| -rw-r--r-- | crates/ra_hir_ty/src/infer.rs | 13 | ||||
| -rw-r--r-- | crates/ra_hir_ty/src/infer/expr.rs | 28 | ||||
| -rw-r--r-- | crates/ra_hir_ty/src/lib.rs | 6 | ||||
| -rw-r--r-- | crates/ra_hir_ty/src/method_resolution.rs | 12 | ||||
| -rw-r--r-- | crates/ra_hir_ty/src/primitive.rs | 54 | ||||
| -rw-r--r-- | crates/ra_hir_ty/src/traits/chalk/mapping.rs | 24 |
6 files changed, 33 insertions, 104 deletions
diff --git a/crates/ra_hir_ty/src/infer.rs b/crates/ra_hir_ty/src/infer.rs index 2e16e5120db..f965eb2b5c9 100644 --- a/crates/ra_hir_ty/src/infer.rs +++ b/crates/ra_hir_ty/src/infer.rs @@ -39,8 +39,7 @@ use ra_syntax::SmolStr; use super::{ primitive::{FloatTy, IntTy}, traits::{Guidance, Obligation, ProjectionPredicate, Solution}, - ApplicationTy, InEnvironment, ProjectionTy, Substs, TraitEnvironment, TraitRef, Ty, TypeCtor, - TypeWalk, Uncertain, + InEnvironment, ProjectionTy, Substs, TraitEnvironment, TraitRef, Ty, TypeCtor, TypeWalk, }; use crate::{ db::HirDatabase, infer::diagnostics::InferenceDiagnostic, lower::ImplTraitLoweringMode, @@ -312,12 +311,6 @@ impl<'a> InferenceContext<'a> { fn insert_type_vars_shallow(&mut self, ty: Ty) -> Ty { match ty { Ty::Unknown => self.table.new_type_var(), - Ty::Apply(ApplicationTy { ctor: TypeCtor::Int(Uncertain::Unknown), .. }) => { - self.table.new_integer_var() - } - Ty::Apply(ApplicationTy { ctor: TypeCtor::Float(Uncertain::Unknown), .. }) => { - self.table.new_float_var() - } _ => ty, } } @@ -664,8 +657,8 @@ impl InferTy { fn fallback_value(self) -> Ty { match self { InferTy::TypeVar(..) => Ty::Unknown, - InferTy::IntVar(..) => Ty::simple(TypeCtor::Int(Uncertain::Known(IntTy::i32()))), - InferTy::FloatVar(..) => Ty::simple(TypeCtor::Float(Uncertain::Known(FloatTy::f64()))), + InferTy::IntVar(..) => Ty::simple(TypeCtor::Int(IntTy::i32())), + InferTy::FloatVar(..) => Ty::simple(TypeCtor::Float(FloatTy::f64())), InferTy::MaybeNeverTypeVar(..) => Ty::simple(TypeCtor::Never), } } diff --git a/crates/ra_hir_ty/src/infer/expr.rs b/crates/ra_hir_ty/src/infer/expr.rs index 4a98e2debff..9fd310f69a7 100644 --- a/crates/ra_hir_ty/src/infer/expr.rs +++ b/crates/ra_hir_ty/src/infer/expr.rs @@ -18,7 +18,7 @@ use crate::{ traits::InEnvironment, utils::{generics, variant_data, Generics}, ApplicationTy, Binders, CallableDef, InferTy, IntTy, Mutability, Obligation, Rawness, Substs, - TraitRef, Ty, TypeCtor, Uncertain, + TraitRef, Ty, TypeCtor, }; use super::{ @@ -426,15 +426,7 @@ impl<'a> InferenceContext<'a> { match &inner_ty { // Fast path for builtins Ty::Apply(ApplicationTy { - ctor: - TypeCtor::Int(Uncertain::Known(IntTy { - signedness: Signedness::Signed, - .. - })), - .. - }) - | Ty::Apply(ApplicationTy { - ctor: TypeCtor::Int(Uncertain::Unknown), + ctor: TypeCtor::Int(IntTy { signedness: Signedness::Signed, .. }), .. }) | Ty::Apply(ApplicationTy { ctor: TypeCtor::Float(_), .. }) @@ -577,9 +569,7 @@ impl<'a> InferenceContext<'a> { ); self.infer_expr( *repeat, - &Expectation::has_type(Ty::simple(TypeCtor::Int(Uncertain::Known( - IntTy::usize(), - )))), + &Expectation::has_type(Ty::simple(TypeCtor::Int(IntTy::usize()))), ); } } @@ -592,13 +582,19 @@ impl<'a> InferenceContext<'a> { Ty::apply_one(TypeCtor::Ref(Mutability::Shared), Ty::simple(TypeCtor::Str)) } Literal::ByteString(..) => { - let byte_type = Ty::simple(TypeCtor::Int(Uncertain::Known(IntTy::u8()))); + let byte_type = Ty::simple(TypeCtor::Int(IntTy::u8())); let array_type = Ty::apply_one(TypeCtor::Array, byte_type); Ty::apply_one(TypeCtor::Ref(Mutability::Shared), array_type) } Literal::Char(..) => Ty::simple(TypeCtor::Char), - Literal::Int(_v, ty) => Ty::simple(TypeCtor::Int((*ty).into())), - Literal::Float(_v, ty) => Ty::simple(TypeCtor::Float((*ty).into())), + Literal::Int(_v, ty) => match ty { + Some(int_ty) => Ty::simple(TypeCtor::Int((*int_ty).into())), + None => self.table.new_integer_var(), + }, + Literal::Float(_v, ty) => match ty { + Some(float_ty) => Ty::simple(TypeCtor::Float((*float_ty).into())), + None => self.table.new_float_var(), + }, }, }; // use a new type variable if we got Ty::Unknown here diff --git a/crates/ra_hir_ty/src/lib.rs b/crates/ra_hir_ty/src/lib.rs index 135976fcda9..2b9372b4b1b 100644 --- a/crates/ra_hir_ty/src/lib.rs +++ b/crates/ra_hir_ty/src/lib.rs @@ -58,7 +58,7 @@ use ra_db::{impl_intern_key, salsa, CrateId}; use crate::{ db::HirDatabase, - primitive::{FloatTy, IntTy, Uncertain}, + primitive::{FloatTy, IntTy}, utils::{generics, make_mut_slice, Generics}, }; use display::HirDisplay; @@ -87,10 +87,10 @@ pub enum TypeCtor { Char, /// A primitive integer type. For example, `i32`. - Int(Uncertain<IntTy>), + Int(IntTy), /// A primitive floating-point type. For example, `f64`. - Float(Uncertain<FloatTy>), + Float(FloatTy), /// Structures, enumerations and unions. Adt(AdtId), diff --git a/crates/ra_hir_ty/src/method_resolution.rs b/crates/ra_hir_ty/src/method_resolution.rs index e19628fdf72..e83b394566b 100644 --- a/crates/ra_hir_ty/src/method_resolution.rs +++ b/crates/ra_hir_ty/src/method_resolution.rs @@ -16,12 +16,8 @@ use rustc_hash::{FxHashMap, FxHashSet}; use super::Substs; use crate::{ - autoderef, - db::HirDatabase, - primitive::{FloatBitness, Uncertain}, - utils::all_super_traits, - ApplicationTy, Canonical, DebruijnIndex, InEnvironment, TraitEnvironment, TraitRef, Ty, - TypeCtor, TypeWalk, + autoderef, db::HirDatabase, primitive::FloatBitness, utils::all_super_traits, ApplicationTy, + Canonical, DebruijnIndex, InEnvironment, TraitEnvironment, TraitRef, Ty, TypeCtor, TypeWalk, }; /// This is used as a key for indexing impls. @@ -147,12 +143,12 @@ impl Ty { } TypeCtor::Bool => lang_item_crate!("bool"), TypeCtor::Char => lang_item_crate!("char"), - TypeCtor::Float(Uncertain::Known(f)) => match f.bitness { + TypeCtor::Float(f) => match f.bitness { // There are two lang items: one in libcore (fXX) and one in libstd (fXX_runtime) FloatBitness::X32 => lang_item_crate!("f32", "f32_runtime"), FloatBitness::X64 => lang_item_crate!("f64", "f64_runtime"), }, - TypeCtor::Int(Uncertain::Known(i)) => lang_item_crate!(i.ty_to_string()), + TypeCtor::Int(i) => lang_item_crate!(i.ty_to_string()), TypeCtor::Str => lang_item_crate!("str_alloc", "str"), TypeCtor::Slice => lang_item_crate!("slice_alloc", "slice"), TypeCtor::RawPtr(Mutability::Shared) => lang_item_crate!("const_ptr"), diff --git a/crates/ra_hir_ty/src/primitive.rs b/crates/ra_hir_ty/src/primitive.rs index 02a8179d94d..37966b70984 100644 --- a/crates/ra_hir_ty/src/primitive.rs +++ b/crates/ra_hir_ty/src/primitive.rs @@ -7,42 +7,6 @@ use std::fmt; pub use hir_def::builtin_type::{BuiltinFloat, BuiltinInt, FloatBitness, IntBitness, Signedness}; -#[derive(Clone, Copy, Eq, PartialEq, Hash, Debug)] -pub enum Uncertain<T> { - Unknown, - Known(T), -} - -impl From<IntTy> for Uncertain<IntTy> { - fn from(ty: IntTy) -> Self { - Uncertain::Known(ty) - } -} - -impl fmt::Display for Uncertain<IntTy> { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - match *self { - Uncertain::Unknown => write!(f, "{{integer}}"), - Uncertain::Known(ty) => write!(f, "{}", ty), - } - } -} - -impl From<FloatTy> for Uncertain<FloatTy> { - fn from(ty: FloatTy) -> Self { - Uncertain::Known(ty) - } -} - -impl fmt::Display for Uncertain<FloatTy> { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - match *self { - Uncertain::Unknown => write!(f, "{{float}}"), - Uncertain::Known(ty) => write!(f, "{}", ty), - } - } -} - #[derive(Copy, Clone, Eq, PartialEq, Hash)] pub struct IntTy { pub signedness: Signedness, @@ -173,21 +137,3 @@ impl From<BuiltinFloat> for FloatTy { FloatTy { bitness: t.bitness } } } - -impl From<Option<BuiltinInt>> for Uncertain<IntTy> { - fn from(t: Option<BuiltinInt>) -> Self { - match t { - None => Uncertain::Unknown, - Some(t) => Uncertain::Known(t.into()), - } - } -} - -impl From<Option<BuiltinFloat>> for Uncertain<FloatTy> { - fn from(t: Option<BuiltinFloat>) -> Self { - match t { - None => Uncertain::Unknown, - Some(t) => Uncertain::Known(t.into()), - } - } -} diff --git a/crates/ra_hir_ty/src/traits/chalk/mapping.rs b/crates/ra_hir_ty/src/traits/chalk/mapping.rs index 28a5fbe3e89..18e5c9c16fc 100644 --- a/crates/ra_hir_ty/src/traits/chalk/mapping.rs +++ b/crates/ra_hir_ty/src/traits/chalk/mapping.rs @@ -14,7 +14,7 @@ use ra_db::salsa::InternKey; use crate::{ db::HirDatabase, - primitive::{FloatBitness, FloatTy, IntBitness, IntTy, Signedness, Uncertain}, + primitive::{FloatBitness, FloatTy, IntBitness, IntTy, Signedness}, traits::{builtin, AssocTyValue, Canonical, Impl, Obligation}, ApplicationTy, CallableDef, GenericPredicate, InEnvironment, OpaqueTy, OpaqueTyId, ProjectionPredicate, ProjectionTy, Substs, TraitEnvironment, TraitRef, Ty, TypeCtor, @@ -249,11 +249,11 @@ impl ToChalk for TypeCtor { TypeCtor::Bool => TypeName::Scalar(Scalar::Bool), TypeCtor::Char => TypeName::Scalar(Scalar::Char), - TypeCtor::Int(Uncertain::Known(int_ty)) => TypeName::Scalar(int_ty_to_chalk(int_ty)), - TypeCtor::Float(Uncertain::Known(FloatTy { bitness: FloatBitness::X32 })) => { + TypeCtor::Int(int_ty) => TypeName::Scalar(int_ty_to_chalk(int_ty)), + TypeCtor::Float(FloatTy { bitness: FloatBitness::X32 }) => { TypeName::Scalar(Scalar::Float(chalk_ir::FloatTy::F32)) } - TypeCtor::Float(Uncertain::Known(FloatTy { bitness: FloatBitness::X64 })) => { + TypeCtor::Float(FloatTy { bitness: FloatBitness::X64 }) => { TypeName::Scalar(Scalar::Float(chalk_ir::FloatTy::F64)) } @@ -268,9 +268,7 @@ impl ToChalk for TypeCtor { } TypeCtor::Never => TypeName::Never, - TypeCtor::Int(Uncertain::Unknown) - | TypeCtor::Float(Uncertain::Unknown) - | TypeCtor::Adt(_) + TypeCtor::Adt(_) | TypeCtor::Array | TypeCtor::FnPtr { .. } | TypeCtor::Closure { .. } => { @@ -291,19 +289,19 @@ impl ToChalk for TypeCtor { TypeName::Scalar(Scalar::Bool) => TypeCtor::Bool, TypeName::Scalar(Scalar::Char) => TypeCtor::Char, - TypeName::Scalar(Scalar::Int(int_ty)) => TypeCtor::Int(Uncertain::Known(IntTy { + TypeName::Scalar(Scalar::Int(int_ty)) => TypeCtor::Int(IntTy { signedness: Signedness::Signed, bitness: bitness_from_chalk_int(int_ty), - })), - TypeName::Scalar(Scalar::Uint(uint_ty)) => TypeCtor::Int(Uncertain::Known(IntTy { + }), + TypeName::Scalar(Scalar::Uint(uint_ty)) => TypeCtor::Int(IntTy { signedness: Signedness::Unsigned, bitness: bitness_from_chalk_uint(uint_ty), - })), + }), TypeName::Scalar(Scalar::Float(chalk_ir::FloatTy::F32)) => { - TypeCtor::Float(Uncertain::Known(FloatTy { bitness: FloatBitness::X32 })) + TypeCtor::Float(FloatTy { bitness: FloatBitness::X32 }) } TypeName::Scalar(Scalar::Float(chalk_ir::FloatTy::F64)) => { - TypeCtor::Float(Uncertain::Known(FloatTy { bitness: FloatBitness::X64 })) + TypeCtor::Float(FloatTy { bitness: FloatBitness::X64 }) } TypeName::Tuple(cardinality) => TypeCtor::Tuple { cardinality: cardinality as u16 }, TypeName::Raw(mutability) => TypeCtor::RawPtr(from_chalk(db, mutability)), |