From 5183c9f08345c664237ae138e86f96ff46714f15 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Sun, 28 Feb 2021 01:20:04 +0100
Subject: Introduce TypeCtor::Scalar

---
 crates/hir_ty/src/op.rs | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'crates/hir_ty/src/op.rs')

diff --git a/crates/hir_ty/src/op.rs b/crates/hir_ty/src/op.rs
index 0870874fc..a4999c51d 100644
--- a/crates/hir_ty/src/op.rs
+++ b/crates/hir_ty/src/op.rs
@@ -2,15 +2,17 @@
 use hir_def::expr::{ArithOp, BinaryOp, CmpOp};
 
 use super::{InferTy, Ty, TypeCtor};
-use crate::ApplicationTy;
+use crate::{ApplicationTy, Scalar};
 
 pub(super) fn binary_op_return_ty(op: BinaryOp, lhs_ty: Ty, rhs_ty: Ty) -> Ty {
     match op {
-        BinaryOp::LogicOp(_) | BinaryOp::CmpOp(_) => Ty::simple(TypeCtor::Bool),
+        BinaryOp::LogicOp(_) | BinaryOp::CmpOp(_) => Ty::simple(TypeCtor::Scalar(Scalar::Bool)),
         BinaryOp::Assignment { .. } => Ty::unit(),
         BinaryOp::ArithOp(ArithOp::Shl) | BinaryOp::ArithOp(ArithOp::Shr) => match lhs_ty {
             Ty::Apply(ApplicationTy { ctor, .. }) => match ctor {
-                TypeCtor::Int(..) | TypeCtor::Float(..) => lhs_ty,
+                TypeCtor::Scalar(Scalar::Int(_))
+                | TypeCtor::Scalar(Scalar::Uint(_))
+                | TypeCtor::Scalar(Scalar::Float(_)) => lhs_ty,
                 _ => Ty::Unknown,
             },
             Ty::Infer(InferTy::IntVar(..)) | Ty::Infer(InferTy::FloatVar(..)) => lhs_ty,
@@ -18,7 +20,9 @@ pub(super) fn binary_op_return_ty(op: BinaryOp, lhs_ty: Ty, rhs_ty: Ty) -> Ty {
         },
         BinaryOp::ArithOp(_) => match rhs_ty {
             Ty::Apply(ApplicationTy { ctor, .. }) => match ctor {
-                TypeCtor::Int(..) | TypeCtor::Float(..) => rhs_ty,
+                TypeCtor::Scalar(Scalar::Int(_))
+                | TypeCtor::Scalar(Scalar::Uint(_))
+                | TypeCtor::Scalar(Scalar::Float(_)) => rhs_ty,
                 _ => Ty::Unknown,
             },
             Ty::Infer(InferTy::IntVar(..)) | Ty::Infer(InferTy::FloatVar(..)) => rhs_ty,
@@ -29,15 +33,11 @@ pub(super) fn binary_op_return_ty(op: BinaryOp, lhs_ty: Ty, rhs_ty: Ty) -> Ty {
 
 pub(super) fn binary_op_rhs_expectation(op: BinaryOp, lhs_ty: Ty) -> Ty {
     match op {
-        BinaryOp::LogicOp(..) => Ty::simple(TypeCtor::Bool),
+        BinaryOp::LogicOp(..) => Ty::simple(TypeCtor::Scalar(Scalar::Bool)),
         BinaryOp::Assignment { op: None } => lhs_ty,
         BinaryOp::CmpOp(CmpOp::Eq { .. }) => match lhs_ty {
             Ty::Apply(ApplicationTy { ctor, .. }) => match ctor {
-                TypeCtor::Int(..)
-                | TypeCtor::Float(..)
-                | TypeCtor::Str
-                | TypeCtor::Char
-                | TypeCtor::Bool => lhs_ty,
+                TypeCtor::Scalar(_) | TypeCtor::Str => lhs_ty,
                 _ => Ty::Unknown,
             },
             Ty::Infer(InferTy::IntVar(..)) | Ty::Infer(InferTy::FloatVar(..)) => lhs_ty,
@@ -48,7 +48,9 @@ pub(super) fn binary_op_rhs_expectation(op: BinaryOp, lhs_ty: Ty) -> Ty {
         | BinaryOp::Assignment { op: Some(_) }
         | BinaryOp::ArithOp(_) => match lhs_ty {
             Ty::Apply(ApplicationTy { ctor, .. }) => match ctor {
-                TypeCtor::Int(..) | TypeCtor::Float(..) => lhs_ty,
+                TypeCtor::Scalar(Scalar::Int(_))
+                | TypeCtor::Scalar(Scalar::Uint(_))
+                | TypeCtor::Scalar(Scalar::Float(_)) => lhs_ty,
                 _ => Ty::Unknown,
             },
             Ty::Infer(InferTy::IntVar(..)) | Ty::Infer(InferTy::FloatVar(..)) => lhs_ty,
-- 
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