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-rw-r--r--dhall/src/error.rs6
-rw-r--r--dhall/src/traits/dynamic_type.rs12
-rw-r--r--dhall/src/typecheck.rs37
3 files changed, 27 insertions, 28 deletions
diff --git a/dhall/src/error.rs b/dhall/src/error.rs
index 0a02816..1243c94 100644
--- a/dhall/src/error.rs
+++ b/dhall/src/error.rs
@@ -6,7 +6,7 @@ pub enum Error {
Parse(dhall_core::ParseError),
Decode(crate::binary::DecodeError),
Resolve(crate::imports::ImportError),
- Typecheck(crate::typecheck::TypeError<dhall_core::X>),
+ Typecheck(crate::typecheck::TypeError),
Deserialize(String),
}
@@ -44,8 +44,8 @@ impl From<crate::imports::ImportError> for Error {
Error::Resolve(err)
}
}
-impl From<crate::typecheck::TypeError<dhall_core::X>> for Error {
- fn from(err: crate::typecheck::TypeError<dhall_core::X>) -> Error {
+impl From<crate::typecheck::TypeError> for Error {
+ fn from(err: crate::typecheck::TypeError) -> Error {
Error::Typecheck(err)
}
}
diff --git a/dhall/src/traits/dynamic_type.rs b/dhall/src/traits/dynamic_type.rs
index 66af320..d03f8cd 100644
--- a/dhall/src/traits/dynamic_type.rs
+++ b/dhall/src/traits/dynamic_type.rs
@@ -2,21 +2,21 @@ use crate::expr::*;
use crate::traits::StaticType;
use crate::typecheck::{TypeError, TypeMessage};
use dhall_core::context::Context;
-use dhall_core::{Const, ExprF, X};
+use dhall_core::{Const, ExprF};
use std::borrow::Cow;
pub trait DynamicType {
- fn get_type<'a>(&'a self) -> Result<Cow<'a, Type>, TypeError<X>>;
+ fn get_type<'a>(&'a self) -> Result<Cow<'a, Type>, TypeError>;
}
impl<T: StaticType> DynamicType for T {
- fn get_type<'a>(&'a self) -> Result<Cow<'a, Type>, TypeError<X>> {
+ fn get_type<'a>(&'a self) -> Result<Cow<'a, Type>, TypeError> {
Ok(Cow::Owned(T::get_static_type()))
}
}
impl DynamicType for Type {
- fn get_type(&self) -> Result<Cow<'_, Type>, TypeError<X>> {
+ fn get_type(&self) -> Result<Cow<'_, Type>, TypeError> {
use TypeInternal::*;
match &self.0 {
Expr(e) => e.get_type(),
@@ -30,7 +30,7 @@ impl DynamicType for Type {
}
impl DynamicType for Normalized {
- fn get_type(&self) -> Result<Cow<'_, Type>, TypeError<X>> {
+ fn get_type(&self) -> Result<Cow<'_, Type>, TypeError> {
match &self.1 {
Some(t) => Ok(Cow::Borrowed(t)),
None => Err(TypeError::new(
@@ -43,7 +43,7 @@ impl DynamicType for Normalized {
}
impl DynamicType for Typed {
- fn get_type(&self) -> Result<Cow<'_, Type>, TypeError<X>> {
+ fn get_type(&self) -> Result<Cow<'_, Type>, TypeError> {
match &self.1 {
Some(t) => Ok(Cow::Borrowed(t)),
None => Err(TypeError::new(
diff --git a/dhall/src/typecheck.rs b/dhall/src/typecheck.rs
index ab4142b..4881972 100644
--- a/dhall/src/typecheck.rs
+++ b/dhall/src/typecheck.rs
@@ -12,10 +12,10 @@ use dhall_generator as dhall;
use self::TypeMessage::*;
impl Resolved {
- pub fn typecheck(self) -> Result<Typed, TypeError<X>> {
+ pub fn typecheck(self) -> Result<Typed, TypeError> {
type_of(self.0.clone())
}
- pub fn typecheck_with(self, ty: &Type) -> Result<Typed, TypeError<X>> {
+ pub fn typecheck_with(self, ty: &Type) -> Result<Typed, TypeError> {
let expr: SubExpr<_, _> = self.0.clone();
let ty: SubExpr<_, _> = ty.as_normalized()?.as_expr().absurd();
type_of(dhall::subexpr!(expr: ty))
@@ -26,7 +26,7 @@ impl Resolved {
}
}
impl Typed {
- fn get_type_move(self) -> Result<Type, TypeError<X>> {
+ fn get_type_move(self) -> Result<Type, TypeError> {
self.1.ok_or(TypeError::new(
&Context::new(),
self.0,
@@ -45,7 +45,7 @@ impl Normalized {
}
}
impl Type {
- pub fn as_normalized(&self) -> Result<&Normalized, TypeError<X>> {
+ pub fn as_normalized(&self) -> Result<&Normalized, TypeError> {
use TypeInternal::*;
match &self.0 {
Expr(e) => Ok(e),
@@ -56,7 +56,7 @@ impl Type {
)),
}
}
- pub(crate) fn into_normalized(self) -> Result<Normalized, TypeError<X>> {
+ pub(crate) fn into_normalized(self) -> Result<Normalized, TypeError> {
use TypeInternal::*;
match self.0 {
Expr(e) => Ok(*e),
@@ -68,7 +68,7 @@ impl Type {
}
}
// Expose the outermost constructor
- fn unroll_ref(&self) -> Result<&Expr<X, X>, TypeError<X>> {
+ fn unroll_ref(&self) -> Result<&Expr<X, X>, TypeError> {
Ok(self.as_normalized()?.unroll_ref())
}
fn shift(&self, delta: isize, var: &V<Label>) -> Self {
@@ -296,11 +296,11 @@ macro_rules! ensure_is_const {
pub fn type_with(
ctx: &Context<Label, Type>,
e: SubExpr<X, Normalized>,
-) -> Result<Typed, TypeError<X>> {
+) -> Result<Typed, TypeError> {
use dhall_core::BinOp::*;
use dhall_core::Const::*;
use dhall_core::ExprF::*;
- let mkerr = |msg: TypeMessage<_>| TypeError::new(ctx, e.clone(), msg);
+ let mkerr = |msg: TypeMessage| TypeError::new(ctx, e.clone(), msg);
let mktype = |ctx, x: SubExpr<X, Normalized>| {
Ok(type_with(ctx, x)?.normalize().into_type())
@@ -600,7 +600,7 @@ pub fn type_with(
/// `typeOf` is the same as `type_with` with an empty context, meaning that the
/// expression must be closed (i.e. no free variables), otherwise type-checking
/// will fail.
-pub fn type_of(e: SubExpr<X, Normalized>) -> Result<Typed, TypeError<X>> {
+pub fn type_of(e: SubExpr<X, Normalized>) -> Result<Typed, TypeError> {
let ctx = Context::new();
let e = type_with(&ctx, e)?;
// Ensure the inferred type isn't SuperType
@@ -610,7 +610,7 @@ pub fn type_of(e: SubExpr<X, Normalized>) -> Result<Typed, TypeError<X>> {
/// The specific type error
#[derive(Debug)]
-pub enum TypeMessage<S> {
+pub enum TypeMessage {
UnboundVariable,
InvalidInputType(Normalized),
InvalidOutputType(Normalized),
@@ -633,23 +633,22 @@ pub enum TypeMessage<S> {
BinOpTypeMismatch(BinOp, Typed),
NoDependentLet(Normalized, Normalized),
NoDependentTypes(Normalized, Normalized),
- MustCombineARecord(SubExpr<S, X>, SubExpr<S, X>),
Unimplemented,
}
/// A structured type error that includes context
#[derive(Debug)]
-pub struct TypeError<S> {
+pub struct TypeError {
pub context: Context<Label, Type>,
- pub current: SubExpr<S, Normalized>,
- pub type_message: TypeMessage<S>,
+ pub current: SubExpr<X, Normalized>,
+ pub type_message: TypeMessage,
}
-impl<S> TypeError<S> {
+impl TypeError {
pub fn new(
context: &Context<Label, Type>,
- current: SubExpr<S, Normalized>,
- type_message: TypeMessage<S>,
+ current: SubExpr<X, Normalized>,
+ type_message: TypeMessage,
) -> Self {
TypeError {
context: context.clone(),
@@ -659,7 +658,7 @@ impl<S> TypeError<S> {
}
}
-impl<S: fmt::Debug> ::std::error::Error for TypeMessage<S> {
+impl ::std::error::Error for TypeMessage {
fn description(&self) -> &str {
match *self {
UnboundVariable => "Unbound variable",
@@ -672,7 +671,7 @@ impl<S: fmt::Debug> ::std::error::Error for TypeMessage<S> {
}
}
-impl<S> fmt::Display for TypeMessage<S> {
+impl fmt::Display for TypeMessage {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
match self {
UnboundVariable => {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 20:44:36 +0000