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-rw-r--r--dhall/src/semantics/nze/nir.rs81
1 files changed, 0 insertions, 81 deletions
diff --git a/dhall/src/semantics/nze/nir.rs b/dhall/src/semantics/nze/nir.rs
index 7365463..1148e31 100644
--- a/dhall/src/semantics/nze/nir.rs
+++ b/dhall/src/semantics/nze/nir.rs
@@ -11,7 +11,6 @@ use crate::syntax::{
NumKind, Span,
};
use crate::ToExprOptions;
-use crate::{STyKind, SValKind, SimpleType, SimpleValue};
/// Stores a possibly unevaluated value. Gets (partially) normalized on-demand, sharing computation
/// automatically. Uses a Rc<RefCell> to share computation.
@@ -143,86 +142,6 @@ impl Nir {
pub(crate) fn to_expr_tyenv(&self, tyenv: &TyEnv) -> Expr {
self.to_hir(tyenv.as_varenv()).to_expr_tyenv(tyenv)
}
- pub(crate) fn to_simple_value(&self) -> Option<SimpleValue> {
- Some(SimpleValue::new(match self.kind() {
- NirKind::Num(lit) => SValKind::Num(lit.clone()),
- NirKind::TextLit(x) => SValKind::Text(
- x.as_text()
- .expect("Normal form should ensure the text is a string"),
- ),
- NirKind::EmptyOptionalLit(_) => SValKind::Optional(None),
- NirKind::NEOptionalLit(x) => {
- SValKind::Optional(Some(x.to_simple_value()?))
- }
- NirKind::EmptyListLit(_) => SValKind::List(vec![]),
- NirKind::NEListLit(xs) => SValKind::List(
- xs.iter()
- .map(|v| v.to_simple_value())
- .collect::<Option<_>>()?,
- ),
- NirKind::RecordLit(kvs) => SValKind::Record(
- kvs.iter()
- .map(|(k, v)| Some((k.into(), v.to_simple_value()?)))
- .collect::<Option<_>>()?,
- ),
- NirKind::UnionLit(field, x, _) => {
- SValKind::Union(field.into(), Some(x.to_simple_value()?))
- }
- NirKind::UnionConstructor(field, ty)
- if ty.get(field).map(|f| f.is_some()) == Some(false) =>
- {
- SValKind::Union(field.into(), None)
- }
- _ => return None,
- }))
- }
- pub(crate) fn to_simple_type(&self) -> Option<SimpleType> {
- Some(SimpleType::new(match self.kind() {
- NirKind::AppliedBuiltin(BuiltinClosure { b, args, .. })
- if args.is_empty() =>
- {
- match b {
- Builtin::Bool => STyKind::Bool,
- Builtin::Natural => STyKind::Natural,
- Builtin::Integer => STyKind::Integer,
- Builtin::Double => STyKind::Double,
- Builtin::Text => STyKind::Text,
- _ => return None,
- }
- }
- NirKind::AppliedBuiltin(BuiltinClosure {
- b: Builtin::Optional,
- args,
- ..
- }) if args.len() == 1 => {
- STyKind::Optional(args[0].to_simple_type()?)
- }
- NirKind::AppliedBuiltin(BuiltinClosure {
- b: Builtin::List,
- args,
- ..
- }) if args.len() == 1 => STyKind::List(args[0].to_simple_type()?),
- NirKind::RecordType(kts) => STyKind::Record(
- kts.iter()
- .map(|(k, v)| Some((k.into(), v.to_simple_type()?)))
- .collect::<Option<_>>()?,
- ),
- NirKind::UnionType(kts) => STyKind::Union(
- kts.iter()
- .map(|(k, v)| {
- Some((
- k.into(),
- v.as_ref()
- .map(|v| Ok(v.to_simple_type()?))
- .transpose()?,
- ))
- })
- .collect::<Option<_>>()?,
- ),
- _ => return None,
- }))
- }
-
pub(crate) fn normalize(&self) {
self.0.normalize()
}