git.delta.rocks / jrsonnet / refs/commits / 7af406eaa740

difftreelog

feat return NumValue directly from parser

rlsuqplzYaroslav Bolyukin2026-04-25parent: #eee6c62.patch.diff
in: master

15 files changed

modifiedbindings/jsonnet/src/val_make.rsdiffbeforeafterboth
--- a/bindings/jsonnet/src/val_make.rs
+++ b/bindings/jsonnet/src/val_make.rs
@@ -5,10 +5,7 @@
 	os::raw::{c_char, c_double, c_int},
 };
 
-use jrsonnet_evaluator::{
-	ObjValue, Val,
-	val::{ArrValue, NumValue},
-};
+use jrsonnet_evaluator::{NumValue, ObjValue, Val};
 
 use crate::VM;
 
modifiedcrates/jrsonnet-evaluator/src/error.rsdiffbeforeafterboth
before · crates/jrsonnet-evaluator/src/error.rs
1use std::{cmp::Ordering, convert::Infallible, fmt};23use jrsonnet_gcmodule::{Acyclic, Trace};4use jrsonnet_interner::IStr;5use jrsonnet_ir::{BinaryOpType, Source, SourcePath, Span, Spanned, UnaryOpType};6use jrsonnet_types::ValType;7use thiserror::Error;89use crate::{10	ObjValue, ResolvePathOwned,11	function::{CallLocation, FunctionSignature, ParamName},12	stdlib::format::FormatError,13	typed::TypeLocError,14	val::ConvertNumValueError,15};1617#[derive(Debug, Clone)]18pub struct SyntaxError {19	pub message: String,20	pub location: (u32, u32),21}22impl fmt::Display for SyntaxError {23	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {24		write!(f, "{}", self.message)25	}26}2728pub(crate) fn format_found(list: &[IStr], what: &str) -> String {29	if list.is_empty() {30		return String::new();31	}32	let mut out = String::new();33	out.push_str("\nThere ");34	if list.len() > 1 {35		out.push_str("are ");36	} else {37		out.push_str("is a ");38	}39	out.push_str(what);40	if list.len() > 1 {41		out.push('s');42	}43	out.push_str(" with similar name");44	if list.len() > 1 {45		out.push('s');46	}47	out.push_str(" present: ");48	for (i, v) in list.iter().enumerate() {49		if i != 0 {50			out.push_str(", ");51		}52		out.push_str(v as &str);53	}54	out55}5657const fn format_empty_str(str: &str) -> &str {58	if str.is_empty() {59		"\"\" (empty string)"60	} else {61		str62	}63}6465pub(crate) fn suggest_object_fields(v: &ObjValue, key: IStr) -> Vec<IStr> {66	let mut heap = Vec::new();67	for field in v.fields_ex(68		true,69		#[cfg(feature = "exp-preserve-order")]70		false,71	) {72		let conf = strsim::jaro_winkler(field.as_str(), key.as_str());73		if conf < 0.8 {74			continue;75		}76		assert!(77			field.as_str() != key.as_str(),78			"looks like string pooling failure, please write any info regarding this crash to https://github.com/CertainLach/jrsonnet/issues/113, thanks!"79		);8081		heap.push((conf, field));82	}83	heap.sort_by(|a, b| b.0.partial_cmp(&a.0).unwrap_or(Ordering::Equal));84	heap.into_iter().map(|v| v.1).collect()85}8687/// Possible errors88#[allow(missing_docs)]89#[derive(Error, Debug, Clone, Trace)]90#[non_exhaustive]91pub enum ErrorKind {92	#[error("intrinsic not found: {0}")]93	IntrinsicNotFound(IStr),9495	#[error("operator {0} does not operate on type {1}")]96	UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),97	#[error("binary operation {1} {0} {2} is not implemented")]98	BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),99100	#[error("self/super/$ are only usable inside objects")]101	CantUseSelfSupOutsideOfObject,102	#[error("no super found")]103	NoSuperFound,104105	#[error("for loop can only iterate over arrays")]106	InComprehensionCanOnlyIterateOverArray,107108	#[error("array out of bounds: {0} is not within [0,{1})")]109	ArrayBoundsError(isize, usize),110	#[error("string out of bounds: {0} is not within [0,{1})")]111	StringBoundsError(usize, usize),112113	#[error("assert failed: {}", format_empty_str(.0))]114	AssertionFailed(IStr),115116	#[error("local is not defined: {0}{found}", found = format_found(.1, "local"))]117	VariableIsNotDefined(IStr, Vec<IStr>),118	#[error("duplicate local var: {0}")]119	DuplicateLocalVar(IStr),120121	#[error("type mismatch: expected {expected}, got {2} {0}", expected = .1.iter().map(|e| format!("{e}")).collect::<Vec<_>>().join(", "))]122	TypeMismatch(&'static str, Vec<ValType>, ValType),123	#[error("no such field: {}{}", format_empty_str(.0), format_found(.1, "field"))]124	NoSuchField(IStr, Vec<IStr>),125126	#[error("only functions can be called, got {0}")]127	OnlyFunctionsCanBeCalledGot(ValType),128	#[error("parameter {0} is not defined")]129	UnknownFunctionParameter(IStr),130	#[error("argument {0} is already bound")]131	BindingParameterASecondTime(IStr),132	#[error("too many args, function has {0}\nFunction has the following signature: {1}")]133	TooManyArgsFunctionHas(usize, FunctionSignature),134	#[error("function argument is not passed: {0}\nFunction has the following signature: {1}")]135	FunctionParameterNotBoundInCall(ParamName, FunctionSignature),136137	#[error("external variable is not defined: {0}")]138	UndefinedExternalVariable(IStr),139140	#[error("field name should be string, got {0}")]141	FieldMustBeStringGot(ValType),142	#[error("duplicate field name: {}", format_empty_str(.0))]143	DuplicateFieldName(IStr),144145	#[error("attempted to index array with string {}", format_empty_str(.0))]146	AttemptedIndexAnArrayWithString(IStr),147	#[error("{0} index type should be {1}, got {2}")]148	ValueIndexMustBeTypeGot(ValType, ValType, ValType),149	#[error("cant index into {0}")]150	CantIndexInto(ValType),151	#[error("{0} is not indexable")]152	ValueIsNotIndexable(ValType),153154	#[error("super can't be used standalone")]155	StandaloneSuper,156157	#[error("can't resolve {1} from {0}")]158	ImportFileNotFound(SourcePath, ResolvePathOwned),159	#[error("resolved file not found: {:?}", .0)]160	ResolvedFileNotFound(SourcePath),161	#[error("can't import {0}: is a directory")]162	ImportIsADirectory(SourcePath),163	#[error("imported file is not valid utf-8: {0:?}")]164	ImportBadFileUtf8(SourcePath),165	#[error("import io error: {0}")]166	ImportIo(String),167	#[error("tried to import {1} from {0}, but imports are not supported")]168	ImportNotSupported(SourcePath, ResolvePathOwned),169	#[error("can't import from virtual file")]170	CantImportFromVirtualFile,171	#[error("syntax error: {error}")]172	ImportSyntaxError {173		path: Source,174		#[trace(skip)]175		error: Box<SyntaxError>,176	},177178	#[error("runtime error: {}", format_empty_str(.0))]179	RuntimeError(IStr),180	#[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]181	StackOverflow,182	#[error("infinite recursion detected")]183	InfiniteRecursionDetected,184	#[error("tried to index by fractional value")]185	FractionalIndex,186	#[error("attempted to divide by zero")]187	DivisionByZero,188189	#[error("string manifest output is not an string")]190	StringManifestOutputIsNotAString,191	#[error("stream manifest output is not an array")]192	StreamManifestOutputIsNotAArray,193	#[error("multi manifest output is not an object")]194	MultiManifestOutputIsNotAObject,195196	#[error("cant recurse stream manifest")]197	StreamManifestOutputCannotBeRecursed,198	#[error("stream manifest output cannot consist of raw strings")]199	StreamManifestCannotNestString,200201	#[error("{}", format_empty_str(.0))]202	ImportCallbackError(String),203	#[error("invalid unicode codepoint: {0}")]204	InvalidUnicodeCodepointGot(u32),205206	#[error("convert num value: {0}")]207	ConvertNumValue(#[from] ConvertNumValueError),208209	#[error("format error: {0}")]210	Format(#[from] FormatError),211	#[error("type error: {0}")]212	TypeError(TypeLocError),213214	#[cfg(feature = "anyhow-error")]215	#[error(transparent)]216	Other(#[trace(skip)] std::rc::Rc<anyhow::Error>),217}218219#[cfg(feature = "anyhow-error")]220impl From<anyhow::Error> for Error {221	fn from(e: anyhow::Error) -> Self {222		Self::new(ErrorKind::Other(std::rc::Rc::new(e)))223	}224}225226impl From<ErrorKind> for Error {227	fn from(e: ErrorKind) -> Self {228		Self::new(e)229	}230}231232impl From<Infallible> for Error {233	fn from(_value: Infallible) -> Self {234		unreachable!()235	}236}237238/// Single stack trace frame239#[derive(Clone, Debug, Trace)]240pub struct StackTraceElement {241	/// Source of this frame242	/// Some frames only act as description, without attached source243	pub location: Option<Span>,244	/// Frame description245	pub desc: String,246}247#[derive(Debug, Clone, Trace)]248pub struct StackTrace(pub Vec<StackTraceElement>);249250#[derive(Clone, Trace)]251pub struct Error(Box<(ErrorKind, StackTrace)>);252253#[cfg(target_pointer_width = "64")]254static_assertions::assert_eq_size!(Error, usize);255256impl Error {257	pub fn new(e: ErrorKind) -> Self {258		Self(Box::new((e, StackTrace(vec![]))))259	}260261	pub const fn error(&self) -> &ErrorKind {262		&(self.0).0263	}264	pub fn error_mut(&mut self) -> &mut ErrorKind {265		&mut (self.0).0266	}267	pub const fn trace(&self) -> &StackTrace {268		&(self.0).1269	}270	pub fn trace_mut(&mut self) -> &mut StackTrace {271		&mut (self.0).1272	}273}274impl fmt::Display for Error {275	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {276		writeln!(f, "{}", self.0.0)?;277		for el in &self.0.1.0 {278			write!(f, "\t{}", el.desc)?;279			if let Some(loc) = &el.location {280				write!(f, "at {}", loc.0.0.0)?;281				loc.0.map_source_locations(&[loc.1, loc.2]);282			}283			writeln!(f)?;284		}285		Ok(())286	}287}288impl fmt::Debug for Error {289	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {290		f.debug_tuple("LocError").field(&self.0).finish()291	}292}293impl std::error::Error for Error {}294295pub trait ErrorSource {296	fn to_location(self) -> Option<Span>;297}298impl<T: Acyclic> ErrorSource for &Spanned<T> {299	fn to_location(self) -> Option<Span> {300		Some(self.span.clone())301	}302}303impl ErrorSource for &Span {304	fn to_location(self) -> Option<Span> {305		Some(self.clone())306	}307}308impl ErrorSource for CallLocation<'_> {309	fn to_location(self) -> Option<Span> {310		self.0.cloned()311	}312}313314pub type Result<V, E = Error> = std::result::Result<V, E>;315pub trait ResultExt: Sized {316	#[must_use]317	fn with_description<O: Into<String>>(self, msg: impl FnOnce() -> O) -> Self;318	#[must_use]319	fn description(self, msg: &str) -> Self {320		self.with_description(|| msg)321	}322323	#[must_use]324	fn with_description_src<O: Into<String>>(325		self,326		src: impl ErrorSource,327		msg: impl FnOnce() -> O,328	) -> Self;329	#[must_use]330	fn description_src(self, src: impl ErrorSource, msg: &str) -> Self {331		self.with_description_src(src, || msg)332	}333}334impl<T> ResultExt for Result<T, Error> {335	fn with_description<O: Into<String>>(mut self, msg: impl FnOnce() -> O) -> Self {336		if let Err(e) = &mut self {337			let trace = e.trace_mut();338			trace.0.push(StackTraceElement {339				location: None,340				desc: msg().into(),341			});342		}343		self344	}345346	fn with_description_src<O: Into<String>>(347		mut self,348		src: impl ErrorSource,349		msg: impl FnOnce() -> O,350	) -> Self {351		if let Err(e) = &mut self {352			let trace = e.trace_mut();353			trace.0.push(StackTraceElement {354				location: src.to_location(),355				desc: msg().into(),356			});357		}358		self359	}360}361362#[macro_export]363macro_rules! bail {364	($w:ident$(::$i:ident)*$(($($tt:tt)*))?) => {365		return Err($w$(::$i)*$(($($tt)*))?.into())366	};367	($w:ident$(::$i:ident)*$({$($tt:tt)*})?) => {368		return Err($w$(::$i)*$({$($tt)*})?.into())369	};370	($l:literal$(, $($tt:tt)*)?) => {371		return Err($crate::error::ErrorKind::RuntimeError($crate::jrsonnet_macros::format_istr!($l$(, $($tt)*)?)).into())372	};373}374375#[macro_export]376macro_rules! runtime_error {377	($l:literal$(, $($tt:tt)*)?) => {378		$crate::error::Error::from($crate::error::ErrorKind::RuntimeError($crate::jrsonnet_macros::format_istr!($l$(, $($tt)*)?)))379	};380}
modifiedcrates/jrsonnet-evaluator/src/evaluate/mod.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/evaluate/mod.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/mod.rs
@@ -21,7 +21,7 @@
 	function::{CallLocation, FuncDesc, FuncVal, PreparedFuncVal},
 	in_frame,
 	typed::{FromUntyped, IntoUntyped as _, Typed},
-	val::{CachedUnbound, IndexableVal, NumValue, StrValue, Thunk},
+	val::{CachedUnbound, IndexableVal, StrValue, Thunk},
 	with_state,
 };
 pub mod destructure;
@@ -58,9 +58,7 @@
 	}
 	Some(match expr {
 		Expr::Str(s) => Val::string(s.clone()),
-		Expr::Num(n) => {
-			Val::Num(NumValue::new(*n).expect("parser will not allow non-finite values"))
-		}
+		Expr::Num(n) => Val::Num(*n),
 		Expr::Literal(LiteralType::False) => Val::Bool(false),
 		Expr::Literal(LiteralType::True) => Val::Bool(true),
 		Expr::Literal(LiteralType::Null) => Val::Null,
modifiedcrates/jrsonnet-evaluator/src/integrations/serde.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/integrations/serde.rs
+++ b/crates/jrsonnet-evaluator/src/integrations/serde.rs
@@ -1,6 +1,7 @@
 use std::borrow::Cow;
 
 use jrsonnet_interner::{IBytes, IStr};
+use jrsonnet_ir::NumValue;
 use serde::{
 	Deserialize, Serialize, Serializer,
 	de::{self, Visitor},
@@ -12,7 +13,6 @@
 
 use crate::{
 	Error as JrError, ObjValue, ObjValueBuilder, Result, Val, in_description_frame, runtime_error,
-	val::NumValue,
 };
 
 impl<'de> Deserialize<'de> for Val {
modifiedcrates/jrsonnet-evaluator/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/lib.rs
+++ b/crates/jrsonnet-evaluator/src/lib.rs
@@ -42,6 +42,7 @@
 use jrsonnet_gcmodule::{Cc, Trace, cc_dyn};
 pub use jrsonnet_interner::{IBytes, IStr};
 pub use jrsonnet_ir as parser;
+pub use jrsonnet_ir::NumValue;
 use jrsonnet_ir::{Expr, Source, SourcePath};
 #[doc(hidden)]
 pub use jrsonnet_macros;
modifiedcrates/jrsonnet-evaluator/src/stdlib/format.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/stdlib/format.rs
+++ b/crates/jrsonnet-evaluator/src/stdlib/format.rs
@@ -829,7 +829,7 @@
 #[cfg(test)]
 pub mod test_format {
 	use super::*;
-	use crate::val::NumValue;
+	use crate::NumValue;
 
 	#[test]
 	fn parse() {
modifiedcrates/jrsonnet-evaluator/src/typed/conversions.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/typed/conversions.rs
+++ b/crates/jrsonnet-evaluator/src/typed/conversions.rs
@@ -2,6 +2,8 @@
 
 use jrsonnet_gcmodule::Trace;
 use jrsonnet_interner::{IBytes, IStr};
+use jrsonnet_ir::NumValue;
+pub use jrsonnet_ir::{MAX_SAFE_INTEGER, MIN_SAFE_INTEGER};
 use jrsonnet_types::{ComplexValType, ValType};
 
 use crate::{
@@ -10,7 +12,7 @@
 	bail,
 	function::FuncVal,
 	typed::CheckType,
-	val::{IndexableVal, NumValue, StrValue, ThunkMapper},
+	val::{IndexableVal, StrValue, ThunkMapper},
 };
 
 #[doc(hidden)]
@@ -219,11 +221,6 @@
 		Ok(inner.map(<ThunkFromUntyped<T>>::default()))
 	}
 }
-
-#[expect(clippy::cast_precision_loss, reason = "checked to not overflow")]
-pub const MAX_SAFE_INTEGER: f64 = ((1u64 << (f64::MANTISSA_DIGITS)) - 1) as f64;
-#[expect(clippy::cast_precision_loss, reason = "checked to not overflow")]
-pub const MIN_SAFE_INTEGER: f64 = (-((1i64 << (f64::MANTISSA_DIGITS)) - 1)) as f64;
 
 macro_rules! impl_int {
 	($($ty:ty)*) => {$(
modifiedcrates/jrsonnet-evaluator/src/val.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/val.rs
+++ b/crates/jrsonnet-evaluator/src/val.rs
@@ -5,7 +5,6 @@
 	marker::PhantomData,
 	mem::replace,
 	num::NonZeroU32,
-	ops::Deref,
 	rc::Rc,
 };
 
@@ -14,16 +13,15 @@
 pub use jrsonnet_macros::Thunk;
 use jrsonnet_types::ValType;
 use rustc_hash::FxHashMap;
-use thiserror::Error;
 
 pub use crate::arr::{ArrValue, ArrayLike};
 use crate::{
-	ObjValue, Result, SupThis, Unbound, WeakSupThis, bail,
+	NumValue, ObjValue, Result, SupThis, Unbound, WeakSupThis, bail,
 	error::{Error, ErrorKind::*},
 	function::FuncVal,
 	gc::WithCapacityExt as _,
 	manifest::{ManifestFormat, ToStringFormat},
-	typed::{BoundedUsize, MAX_SAFE_INTEGER, MIN_SAFE_INTEGER},
+	typed::BoundedUsize,
 };
 
 pub trait ThunkValue: Trace {
@@ -439,134 +437,6 @@
 		let a = self.clone().into_flat();
 		let b = other.clone().into_flat();
 		a.cmp(&b)
-	}
-}
-
-/// Represents jsonnet number
-/// Jsonnet numbers are finite f64, with NaNs disallowed
-#[derive(Trace, Clone, Copy)]
-#[repr(transparent)]
-pub struct NumValue(f64);
-impl NumValue {
-	/// Creates a [`NumValue`], if value is finite and not NaN
-	pub fn new(v: f64) -> Option<Self> {
-		if !v.is_finite() {
-			return None;
-		}
-		Some(Self(v))
-	}
-	#[inline]
-	pub const fn get(&self) -> f64 {
-		self.0
-	}
-	pub(crate) fn truncate_for_bitwise(self) -> Result<i64> {
-		if self.0 < MIN_SAFE_INTEGER || self.0 > MAX_SAFE_INTEGER {
-			bail!("numberic value outside of safe integer range for bitwise operation");
-		}
-		#[expect(clippy::cast_possible_truncation, reason = "intended")]
-		Ok(self.0 as i64)
-	}
-}
-impl PartialEq for NumValue {
-	fn eq(&self, other: &Self) -> bool {
-		self.0 == other.0
-	}
-}
-impl Eq for NumValue {}
-impl Ord for NumValue {
-	#[inline]
-	fn cmp(&self, other: &Self) -> Ordering {
-		// Can't use `total_cmp`: its behavior for `-0` and `0`
-		// is not following wanted.
-		unsafe { self.0.partial_cmp(&other.0).unwrap_unchecked() }
-	}
-}
-impl PartialOrd for NumValue {
-	#[inline]
-	fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-		Some(self.cmp(other))
-	}
-}
-impl Debug for NumValue {
-	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-		Debug::fmt(&self.0, f)
-	}
-}
-impl Display for NumValue {
-	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-		Display::fmt(&self.0, f)
-	}
-}
-impl Deref for NumValue {
-	type Target = f64;
-
-	#[inline]
-	fn deref(&self) -> &Self::Target {
-		&self.0
-	}
-}
-macro_rules! impl_num {
-	($($ty:ty),+) => {$(
-		impl From<$ty> for NumValue {
-			#[inline]
-			fn from(value: $ty) -> Self {
-				Self(value.into())
-			}
-		}
-	)+};
-}
-impl_num!(i8, u8, i16, u16, i32, u32);
-
-#[derive(Clone, Copy, Debug, Error, Trace)]
-pub enum ConvertNumValueError {
-	#[error("overflow")]
-	Overflow,
-	#[error("underflow")]
-	Underflow,
-	#[error("non-finite")]
-	NonFinite,
-}
-impl From<ConvertNumValueError> for Error {
-	fn from(e: ConvertNumValueError) -> Self {
-		Self::new(e.into())
-	}
-}
-
-macro_rules! impl_try_num {
-	($($ty:ty),+) => {$(
-		impl TryFrom<$ty> for NumValue {
-			type Error = ConvertNumValueError;
-			#[inline]
-			fn try_from(value: $ty) -> Result<Self, ConvertNumValueError> {
-				#[expect(clippy::cast_precision_loss, reason = "precision loss is explicitly handled")]
-				let value = value as f64;
-				if value < MIN_SAFE_INTEGER {
-					return Err(ConvertNumValueError::Underflow)
-				} else if value > MAX_SAFE_INTEGER {
-					return Err(ConvertNumValueError::Overflow)
-				}
-				// Number is finite.
-				Ok(Self(value))
-			}
-		}
-	)+};
-}
-impl_try_num!(usize, isize, i64, u64);
-
-impl TryFrom<f64> for NumValue {
-	type Error = ConvertNumValueError;
-
-	#[inline]
-	fn try_from(value: f64) -> Result<Self, Self::Error> {
-		Self::new(value).ok_or(ConvertNumValueError::NonFinite)
-	}
-}
-impl TryFrom<f32> for NumValue {
-	type Error = ConvertNumValueError;
-
-	#[inline]
-	fn try_from(value: f32) -> Result<Self, Self::Error> {
-		Self::new(f64::from(value)).ok_or(ConvertNumValueError::NonFinite)
 	}
 }
 
modifiedcrates/jrsonnet-ir-parser/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-ir-parser/src/lib.rs
+++ b/crates/jrsonnet-ir-parser/src/lib.rs
@@ -4,8 +4,8 @@
 use jrsonnet_ir::{
 	ArgsDesc, AssertExpr, AssertStmt, BinaryOp, BinaryOpType, BindSpec, CompSpec, Destruct, Expr,
 	ExprParam, ExprParams, FieldMember, FieldName, ForSpecData, IStr, IfElse, IfSpecData,
-	ImportKind, IndexPart, LiteralType, Member, ObjBody, ObjComp, ObjMembers, Slice, SliceDesc,
-	Source, Span, Spanned, UnaryOpType, Visibility, unescape,
+	ImportKind, IndexPart, LiteralType, Member, NumValue, ObjBody, ObjComp, ObjMembers, Slice,
+	SliceDesc, Source, Span, Spanned, UnaryOpType, Visibility, unescape,
 };
 use jrsonnet_lexer::{Lexeme, Lexer, Span as LexSpan, SyntaxKind, T, collect_lexed_str_block};
 
@@ -202,17 +202,21 @@
 	)
 }
 
-fn parse_number(p: &mut Parser<'_>) -> Result<f64> {
+fn parse_number(p: &mut Parser<'_>) -> Result<NumValue> {
 	let text = p.text();
 	let n: f64 = text
 		.replace('_', "")
 		.parse()
 		.map_err(|_| p.error(format!("invalid number literal: {text}")))?;
-	if !n.is_finite() {
-		return Err(p.error("numbers are finite".into()));
-	}
+
+	let v = match NumValue::try_from(n) {
+		Ok(v) => v,
+		Err(e) => return Err(p.error(format!("invalid number value: {e}"))),
+	};
+
 	p.eat_any();
-	Ok(n)
+
+	Ok(v)
 }
 
 fn ident(p: &mut Parser<'_>) -> Result<IStr> {
modifiedcrates/jrsonnet-ir/Cargo.tomldiffbeforeafterboth
--- a/crates/jrsonnet-ir/Cargo.toml
+++ b/crates/jrsonnet-ir/Cargo.toml
@@ -19,6 +19,7 @@
 static_assertions.workspace = true
 
 peg.workspace = true
+thiserror.workspace = true
 
 [dev-dependencies]
 insta.workspace = true
modifiedcrates/jrsonnet-ir/src/expr.rsdiffbeforeafterboth
--- a/crates/jrsonnet-ir/src/expr.rs
+++ b/crates/jrsonnet-ir/src/expr.rs
@@ -8,6 +8,7 @@
 use jrsonnet_interner::IStr;
 
 use crate::{
+	NumValue,
 	function::{FunctionSignature, ParamDefault, ParamName, ParamParse},
 	source::Source,
 };
@@ -398,7 +399,7 @@
 	/// String value: "hello"
 	Str(IStr),
 	/// Number: 1, 2.0, 2e+20
-	Num(f64),
+	Num(NumValue),
 	/// Variable name: test
 	Var(Spanned<IStr>),
 
modifiedcrates/jrsonnet-ir/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-ir/src/lib.rs
+++ b/crates/jrsonnet-ir/src/lib.rs
@@ -1,7 +1,10 @@
 #![allow(clippy::redundant_closure_call, clippy::derive_partial_eq_without_eq)]
 
 mod expr;
+use std::{cmp::Ordering, fmt, ops::Deref};
+
 pub use expr::*;
+use jrsonnet_gcmodule::Acyclic;
 pub use jrsonnet_interner::IStr;
 pub mod function;
 mod location;
@@ -14,3 +17,134 @@
 	Source, SourceDefaultIgnoreJpath, SourceDirectory, SourceFifo, SourceFile, SourcePath,
 	SourcePathT, SourceVirtual,
 };
+
+// It seels to be a wrong place for this kind of stuff, but as it would also be used for static analysis and
+// is already wanted for NumValue, I don't know a better place.
+#[expect(clippy::cast_precision_loss, reason = "checked to not overflow")]
+pub const MAX_SAFE_INTEGER: f64 = ((1u64 << (f64::MANTISSA_DIGITS)) - 1) as f64;
+#[expect(clippy::cast_precision_loss, reason = "checked to not overflow")]
+pub const MIN_SAFE_INTEGER: f64 = (-((1i64 << (f64::MANTISSA_DIGITS)) - 1)) as f64;
+
+/// Represents jsonnet number
+/// Jsonnet numbers are finite f64, with NaNs disallowed
+#[derive(Acyclic, Clone, Copy)]
+pub struct NumValue(f64);
+impl NumValue {
+	/// Creates a [`NumValue`], if value is finite and not NaN
+	pub fn new(v: f64) -> Option<Self> {
+		if !v.is_finite() {
+			return None;
+		}
+		Some(Self(v))
+	}
+	#[inline]
+	pub const fn get(&self) -> f64 {
+		self.0
+	}
+	pub fn truncate_for_bitwise(self) -> Result<i64, ConvertNumValueError> {
+		if self.0 < MIN_SAFE_INTEGER || self.0 > MAX_SAFE_INTEGER {
+			return Err(ConvertNumValueError::BitwiseSafeRange);
+		}
+		#[expect(clippy::cast_possible_truncation, reason = "intended")]
+		Ok(self.0 as i64)
+	}
+}
+impl PartialEq for NumValue {
+	fn eq(&self, other: &Self) -> bool {
+		self.0 == other.0
+	}
+}
+impl Eq for NumValue {}
+impl Ord for NumValue {
+	#[inline]
+	fn cmp(&self, other: &Self) -> Ordering {
+		// Can't use `total_cmp`: its behavior for `-0` and `0`
+		// is not following wanted.
+		unsafe { self.0.partial_cmp(&other.0).unwrap_unchecked() }
+	}
+}
+impl PartialOrd for NumValue {
+	#[inline]
+	fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+		Some(self.cmp(other))
+	}
+}
+impl fmt::Debug for NumValue {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		fmt::Debug::fmt(&self.0, f)
+	}
+}
+impl fmt::Display for NumValue {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		fmt::Display::fmt(&self.0, f)
+	}
+}
+impl Deref for NumValue {
+	type Target = f64;
+
+	#[inline]
+	fn deref(&self) -> &Self::Target {
+		&self.0
+	}
+}
+macro_rules! impl_num {
+	($($ty:ty),+) => {$(
+		impl From<$ty> for NumValue {
+			#[inline]
+			fn from(value: $ty) -> Self {
+				Self(value.into())
+			}
+		}
+	)+};
+}
+impl_num!(i8, u8, i16, u16, i32, u32);
+
+#[derive(Clone, Copy, Debug, thiserror::Error, Acyclic)]
+pub enum ConvertNumValueError {
+	#[error("overflow")]
+	Overflow,
+	#[error("underflow")]
+	Underflow,
+	#[error("non-finite")]
+	NonFinite,
+	#[error("float out of safe int range")]
+	BitwiseSafeRange,
+}
+
+macro_rules! impl_try_num {
+	($($ty:ty),+) => {$(
+		impl TryFrom<$ty> for NumValue {
+			type Error = ConvertNumValueError;
+			#[inline]
+			fn try_from(value: $ty) -> Result<Self, ConvertNumValueError> {
+				#[expect(clippy::cast_precision_loss, reason = "precision loss is explicitly handled")]
+				let value = value as f64;
+				if value < MIN_SAFE_INTEGER {
+					return Err(ConvertNumValueError::Underflow)
+				} else if value > MAX_SAFE_INTEGER {
+					return Err(ConvertNumValueError::Overflow)
+				}
+				// Number is finite.
+				Ok(Self(value))
+			}
+		}
+	)+};
+}
+impl_try_num!(usize, isize, i64, u64);
+
+impl TryFrom<f64> for NumValue {
+	type Error = ConvertNumValueError;
+
+	#[inline]
+	fn try_from(value: f64) -> Result<Self, Self::Error> {
+		Self::new(value).ok_or(ConvertNumValueError::NonFinite)
+	}
+}
+impl TryFrom<f32> for NumValue {
+	type Error = ConvertNumValueError;
+
+	#[inline]
+	fn try_from(value: f32) -> Result<Self, Self::Error> {
+		Self::new(f64::from(value)).ok_or(ConvertNumValueError::NonFinite)
+	}
+}
modifiedcrates/jrsonnet-peg-parser/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-peg-parser/src/lib.rs
+++ b/crates/jrsonnet-peg-parser/src/lib.rs
@@ -4,8 +4,8 @@
 use jrsonnet_ir::{
 	ArgsDesc, AssertExpr, AssertStmt, BinaryOp, BindSpec, CompSpec, Destruct, DestructRest, Expr,
 	ExprParam, ExprParams, FieldMember, FieldName, ForSpecData, IStr, IfElse, IfSpecData,
-	ImportKind, IndexPart, LiteralType, Member, ObjBody, ObjComp, ObjMembers, Slice, SliceDesc,
-	Source, Span, Spanned, Visibility, unescape,
+	ImportKind, IndexPart, LiteralType, Member, NumValue, ObjBody, ObjComp, ObjMembers, Slice,
+	SliceDesc, Source, Span, Spanned, Visibility, unescape,
 };
 use peg::parser;
 
@@ -52,7 +52,7 @@
 		/// Sequence of digits
 		rule uint_str() -> &'input str = a:$(digit()+ ("_" digit()+)*) { a }
 		/// Number in scientific notation format
-		rule number() -> f64 = quiet!{a:$(uint_str() ("." uint_str())? (['e'|'E'] (s:['+'|'-'])? uint_str())?) {? a.replace("_","").parse().map_err(|_| "<number>") }} / expected!("<number>")
+		rule number() -> f64 = quiet!{a:$(uint_str() ("." uint_str())? (['e'|'E'] (s:['+'|'-'])? uint_str())?) {? a.replace('_',"").parse().map_err(|_| "<number>") }} / expected!("<number>")
 
 		/// Reserved word followed by any non-alphanumberic
 		rule reserved() = ("assert" / "else" / "error" / "false" / "for" / "function" / "if" / "import" / "importstr" / "importbin" / "in" / "local" / "null" / "tailstrict" / "then" / "self" / "super" / "true") end_of_ident()
@@ -267,7 +267,7 @@
 				Expr::ArrComp(Rc::new(expr), specs)
 			}
 		pub rule number_expr(s: &ParserSettings) -> Expr
-			= n:number() {? if n.is_finite() {
+			= n:number() {? if let Some(n) = NumValue::new(n) {
 				Ok(Expr::Num(n))
 			} else {
 				Err("!!!numbers are finite")
modifiedcrates/jrsonnet-stdlib/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-stdlib/src/lib.rs
+++ b/crates/jrsonnet-stdlib/src/lib.rs
@@ -12,13 +12,12 @@
 pub use encoding::*;
 pub use hash::*;
 use jrsonnet_evaluator::{
-	ContextBuilder, IStr, ObjValue, ObjValueBuilder, Thunk, Val,
+	ContextBuilder, IStr, NumValue, ObjValue, ObjValueBuilder, Thunk, Val,
 	error::Result,
 	function::{CallLocation, FuncVal, builtin_id},
 	tla::TlaArg,
 	trace::PathResolver,
 	typed::SerializeTypedObj as _,
-	val::NumValue,
 };
 use jrsonnet_gcmodule::{Acyclic, Cc, Trace};
 use jrsonnet_ir::Source;
modifiedcrates/jrsonnet-stdlib/src/operator.rsdiffbeforeafterboth
--- a/crates/jrsonnet-stdlib/src/operator.rs
+++ b/crates/jrsonnet-stdlib/src/operator.rs
@@ -2,12 +2,12 @@
 //! However, in our case we instead implement them in native, and implement native functions on top of core for backwards compatibility
 
 use jrsonnet_evaluator::{
-	IStr, Result, Val,
+	IStr, NumValue, Result, Val,
 	function::builtin,
 	operator::evaluate_mod_op,
 	stdlib::std_format,
 	typed::{Either, Either2},
-	val::{NumValue, equals, primitive_equals},
+	val::{equals, primitive_equals},
 };
 
 #[builtin]