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-rw-r--r--dhall/src/core/value.rs9
-rw-r--r--dhall/src/phase/normalize.rs89
2 files changed, 75 insertions, 23 deletions
diff --git a/dhall/src/core/value.rs b/dhall/src/core/value.rs
index 412fe11..72949be 100644
--- a/dhall/src/core/value.rs
+++ b/dhall/src/core/value.rs
@@ -3,7 +3,7 @@ use std::collections::BTreeMap;
use dhall_proc_macros as dhall;
use dhall_syntax::{
rc, Builtin, Const, ExprF, Integer, InterpolatedTextContents, Label,
- Natural, X,
+ NaiveDouble, Natural, X,
};
use crate::core::thunk::{Thunk, TypeThunk};
@@ -44,6 +44,7 @@ pub(crate) enum Value {
BoolLit(bool),
NaturalLit(Natural),
IntegerLit(Integer),
+ DoubleLit(NaiveDouble),
EmptyOptionalLit(TypeThunk),
NEOptionalLit(Thunk),
EmptyListLit(TypeThunk),
@@ -122,6 +123,7 @@ impl Value {
Value::BoolLit(b) => rc(ExprF::BoolLit(*b)),
Value::NaturalLit(n) => rc(ExprF::NaturalLit(*n)),
Value::IntegerLit(n) => rc(ExprF::IntegerLit(*n)),
+ Value::DoubleLit(n) => rc(ExprF::DoubleLit(*n)),
Value::EmptyOptionalLit(n) => rc(ExprF::App(
rc(ExprF::Builtin(Builtin::OptionalNone)),
n.normalize_to_expr_maybe_alpha(alpha),
@@ -224,7 +226,8 @@ impl Value {
| Value::Const(_)
| Value::BoolLit(_)
| Value::NaturalLit(_)
- | Value::IntegerLit(_) => {}
+ | Value::IntegerLit(_)
+ | Value::DoubleLit(_) => {}
Value::EmptyOptionalLit(tth)
| Value::OptionalSomeClosure(tth)
@@ -348,6 +351,7 @@ impl Shift for Value {
Value::BoolLit(b) => Value::BoolLit(*b),
Value::NaturalLit(n) => Value::NaturalLit(*n),
Value::IntegerLit(n) => Value::IntegerLit(*n),
+ Value::DoubleLit(n) => Value::DoubleLit(*n),
Value::EmptyOptionalLit(tth) => {
Value::EmptyOptionalLit(tth.shift(delta, var))
}
@@ -479,6 +483,7 @@ impl Subst<Typed> for Value {
Value::BoolLit(b) => Value::BoolLit(*b),
Value::NaturalLit(n) => Value::NaturalLit(*n),
Value::IntegerLit(n) => Value::IntegerLit(*n),
+ Value::DoubleLit(n) => Value::DoubleLit(*n),
Value::EmptyOptionalLit(tth) => {
Value::EmptyOptionalLit(tth.subst_shift(var, val))
}
diff --git a/dhall/src/phase/normalize.rs b/dhall/src/phase/normalize.rs
index e9fc570..81abb9c 100644
--- a/dhall/src/phase/normalize.rs
+++ b/dhall/src/phase/normalize.rs
@@ -1,6 +1,9 @@
use std::collections::BTreeMap;
-use dhall_syntax::{BinOp, Builtin, ExprF, InterpolatedTextContents, Label, X};
+use dhall_syntax::{
+ BinOp, Builtin, ExprF, InterpolatedText, InterpolatedTextContents, Label,
+ NaiveDouble, X,
+};
use crate::core::context::NormalizationContext;
use crate::core::thunk::{Thunk, TypeThunk};
@@ -43,6 +46,50 @@ pub(crate) fn apply_builtin(b: Builtin, args: Vec<Thunk>) -> Value {
)),
_ => Err(()),
},
+ (IntegerShow, [n, r..]) => match &*n.as_value() {
+ IntegerLit(n) => {
+ let s = if *n < 0 {
+ n.to_string()
+ } else {
+ format!("+{}", n)
+ };
+ Ok((r, TextLit(vec![InterpolatedTextContents::Text(s)])))
+ }
+ _ => Err(()),
+ },
+ (IntegerToDouble, [n, r..]) => match &*n.as_value() {
+ IntegerLit(n) => Ok((r, DoubleLit(NaiveDouble::from(*n as f64)))),
+ _ => Err(()),
+ },
+ (DoubleShow, [n, r..]) => match &*n.as_value() {
+ DoubleLit(n) => Ok((
+ r,
+ TextLit(vec![InterpolatedTextContents::Text(n.to_string())]),
+ )),
+ _ => Err(()),
+ },
+ (TextShow, [v, r..]) => match &*v.as_value() {
+ TextLit(elts) => {
+ match elts.as_slice() {
+ // If there are no interpolations (invariants ensure that when there are no
+ // interpolations, there is a single Text item) in the literal.
+ [InterpolatedTextContents::Text(s)] => {
+ // Printing InterpolatedText takes care of all the escaping
+ let txt: InterpolatedText<X> = std::iter::once(
+ InterpolatedTextContents::Text(s.clone()),
+ )
+ .collect();
+ let s = txt.to_string();
+ Ok((
+ r,
+ TextLit(vec![InterpolatedTextContents::Text(s)]),
+ ))
+ }
+ _ => Err(()),
+ }
+ }
+ _ => Err(()),
+ },
(ListLength, [_, l, r..]) => match &*l.as_value() {
EmptyListLit(_) => Ok((r, NaturalLit(0))),
NEListLit(xs) => Ok((r, NaturalLit(xs.len()))),
@@ -322,9 +369,9 @@ pub(crate) fn normalize_whnf(
pub(crate) fn normalize_one_layer(expr: ExprF<Thunk, Label, X>) -> Value {
use Value::{
- BoolLit, EmptyListLit, EmptyOptionalLit, IntegerLit, Lam, NEListLit,
- NEOptionalLit, NaturalLit, Pi, RecordLit, RecordType, TextLit,
- UnionConstructor, UnionLit, UnionType,
+ BoolLit, DoubleLit, EmptyListLit, EmptyOptionalLit, IntegerLit, Lam,
+ NEListLit, NEOptionalLit, NaturalLit, Pi, RecordLit, RecordType,
+ TextLit, UnionConstructor, UnionLit, UnionType,
};
// Small helper enum to avoid repetition
@@ -358,7 +405,7 @@ pub(crate) fn normalize_one_layer(expr: ExprF<Thunk, Label, X>) -> Value {
ExprF::BoolLit(b) => RetValue(BoolLit(b)),
ExprF::NaturalLit(n) => RetValue(NaturalLit(n)),
ExprF::IntegerLit(n) => RetValue(IntegerLit(n)),
- ExprF::DoubleLit(_) => RetExpr(expr),
+ ExprF::DoubleLit(n) => RetValue(DoubleLit(n)),
ExprF::OldOptionalLit(None, t) => {
RetValue(EmptyOptionalLit(TypeThunk::from_thunk(t)))
}
@@ -613,12 +660,12 @@ mod spec_tests {
norm!(success_prelude_Bool_or_1, "prelude/Bool/or/1");
norm!(success_prelude_Bool_show_0, "prelude/Bool/show/0");
norm!(success_prelude_Bool_show_1, "prelude/Bool/show/1");
- // norm!(success_prelude_Double_show_0, "prelude/Double/show/0");
- // norm!(success_prelude_Double_show_1, "prelude/Double/show/1");
- // norm!(success_prelude_Integer_show_0, "prelude/Integer/show/0");
- // norm!(success_prelude_Integer_show_1, "prelude/Integer/show/1");
- // norm!(success_prelude_Integer_toDouble_0, "prelude/Integer/toDouble/0");
- // norm!(success_prelude_Integer_toDouble_1, "prelude/Integer/toDouble/1");
+ norm!(success_prelude_Double_show_0, "prelude/Double/show/0");
+ norm!(success_prelude_Double_show_1, "prelude/Double/show/1");
+ norm!(success_prelude_Integer_show_0, "prelude/Integer/show/0");
+ norm!(success_prelude_Integer_show_1, "prelude/Integer/show/1");
+ norm!(success_prelude_Integer_toDouble_0, "prelude/Integer/toDouble/0");
+ norm!(success_prelude_Integer_toDouble_1, "prelude/Integer/toDouble/1");
norm!(success_prelude_List_all_0, "prelude/List/all/0");
norm!(success_prelude_List_all_1, "prelude/List/all/1");
norm!(success_prelude_List_any_0, "prelude/List/any/0");
@@ -677,8 +724,8 @@ mod spec_tests {
norm!(success_prelude_Natural_show_1, "prelude/Natural/show/1");
norm!(success_prelude_Natural_sum_0, "prelude/Natural/sum/0");
norm!(success_prelude_Natural_sum_1, "prelude/Natural/sum/1");
- // norm!(success_prelude_Natural_toDouble_0, "prelude/Natural/toDouble/0");
- // norm!(success_prelude_Natural_toDouble_1, "prelude/Natural/toDouble/1");
+ norm!(success_prelude_Natural_toDouble_0, "prelude/Natural/toDouble/0");
+ norm!(success_prelude_Natural_toDouble_1, "prelude/Natural/toDouble/1");
norm!(success_prelude_Natural_toInteger_0, "prelude/Natural/toInteger/0");
norm!(success_prelude_Natural_toInteger_1, "prelude/Natural/toInteger/1");
norm!(success_prelude_Optional_all_0, "prelude/Optional/all/0");
@@ -722,9 +769,9 @@ mod spec_tests {
// norm!(success_prelude_Text_show_1, "prelude/Text/show/1");
// norm!(success_remoteSystems, "remoteSystems");
- // norm!(success_simple_doubleShow, "simple/doubleShow");
+ norm!(success_simple_doubleShow, "simple/doubleShow");
norm!(success_simple_enum, "simple/enum");
- // norm!(success_simple_integerShow, "simple/integerShow");
+ norm!(success_simple_integerShow, "simple/integerShow");
// norm!(success_simple_integerToDouble, "simple/integerToDouble");
norm!(success_simple_letlet, "simple/letlet");
norm!(success_simple_listBuild, "simple/listBuild");
@@ -747,7 +794,7 @@ mod spec_tests {
norm!(success_unit_Double, "unit/Double");
norm!(success_unit_DoubleLiteral, "unit/DoubleLiteral");
norm!(success_unit_DoubleShow, "unit/DoubleShow");
- // norm!(success_unit_DoubleShowValue, "unit/DoubleShowValue");
+ norm!(success_unit_DoubleShowValue, "unit/DoubleShowValue");
norm!(success_unit_EmptyAlternative, "unit/EmptyAlternative");
norm!(success_unit_FunctionApplicationCapture, "unit/FunctionApplicationCapture");
norm!(success_unit_FunctionApplicationNoSubstitute, "unit/FunctionApplicationNoSubstitute");
@@ -763,11 +810,11 @@ mod spec_tests {
norm!(success_unit_Integer, "unit/Integer");
norm!(success_unit_IntegerNegative, "unit/IntegerNegative");
norm!(success_unit_IntegerPositive, "unit/IntegerPositive");
- // norm!(success_unit_IntegerShow_12, "unit/IntegerShow-12");
- // norm!(success_unit_IntegerShow12, "unit/IntegerShow12");
+ norm!(success_unit_IntegerShow_12, "unit/IntegerShow-12");
+ norm!(success_unit_IntegerShow12, "unit/IntegerShow12");
norm!(success_unit_IntegerShow, "unit/IntegerShow");
- // norm!(success_unit_IntegerToDouble_12, "unit/IntegerToDouble-12");
- // norm!(success_unit_IntegerToDouble12, "unit/IntegerToDouble12");
+ norm!(success_unit_IntegerToDouble_12, "unit/IntegerToDouble-12");
+ norm!(success_unit_IntegerToDouble12, "unit/IntegerToDouble12");
norm!(success_unit_IntegerToDouble, "unit/IntegerToDouble");
norm!(success_unit_Kind, "unit/Kind");
norm!(success_unit_Let, "unit/Let");
@@ -900,7 +947,7 @@ mod spec_tests {
norm!(success_unit_TextLiteral, "unit/TextLiteral");
norm!(success_unit_TextNormalizeInterpolations, "unit/TextNormalizeInterpolations");
norm!(success_unit_TextShow, "unit/TextShow");
- // norm!(success_unit_TextShowAllEscapes, "unit/TextShowAllEscapes");
+ norm!(success_unit_TextShowAllEscapes, "unit/TextShowAllEscapes");
norm!(success_unit_True, "unit/True");
norm!(success_unit_Type, "unit/Type");
norm!(success_unit_TypeAnnotation, "unit/TypeAnnotation");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 05:42:51 +0000