git.delta.rocks / jrsonnet / refs/commits / 1c69f1ac7855

difftreelog

refactor move state to global

touwqtkwYaroslav Bolyukin2026-02-07parent: #5585b94.patch.diff
in: master

9 files changed

modifiedbindings/jsonnet/src/lib.rsdiffbeforeafterboth
--- a/bindings/jsonnet/src/lib.rs
+++ b/bindings/jsonnet/src/lib.rs
@@ -247,7 +247,7 @@
 	match vm
 		.state
 		.import(filename)
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val.manifest(&vm.manifest_format))
 	{
 		Ok(v) => {
@@ -282,7 +282,7 @@
 	match vm
 		.state
 		.evaluate_snippet(filename.to_str().unwrap(), snippet.to_str().unwrap())
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val.manifest(&vm.manifest_format))
 	{
 		Ok(v) => {
@@ -340,7 +340,7 @@
 	match vm
 		.state
 		.import(filename)
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val_to_multi(val, &vm.manifest_format))
 	{
 		Ok(v) => {
@@ -369,7 +369,7 @@
 	match vm
 		.state
 		.evaluate_snippet(filename.to_str().unwrap(), snippet.to_str().unwrap())
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val_to_multi(val, &vm.manifest_format))
 	{
 		Ok(v) => {
@@ -422,7 +422,7 @@
 	match vm
 		.state
 		.import(filename)
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val_to_stream(val, &vm.manifest_format))
 	{
 		Ok(v) => {
@@ -451,7 +451,7 @@
 	match vm
 		.state
 		.evaluate_snippet(filename.to_str().unwrap(), snippet.to_str().unwrap())
-		.and_then(|val| apply_tla(vm.state.clone(), &vm.tla_args, val))
+		.and_then(|val| apply_tla(&vm.tla_args, val))
 		.and_then(|val| val_to_stream(val, &vm.manifest_format))
 	{
 		Ok(v) => {
modifiedcmds/jrsonnet/src/main.rsdiffbeforeafterboth
--- a/cmds/jrsonnet/src/main.rs
+++ b/cmds/jrsonnet/src/main.rs
@@ -173,6 +173,7 @@
 	let mut s = State::builder();
 	s.import_resolver(import_resolver).context_initializer(std);
 	let s = s.build();
+	let _s = s.enter();
 
 	let input = opts.input.input.ok_or(Error::MissingInputArgument)?;
 	let val = if opts.input.exec {
@@ -192,7 +193,7 @@
 		unused_mut,
 		clippy::redundant_clone,
 	)]
-	let mut val = apply_tla(s.clone(), &tla, val)?;
+	let mut val = apply_tla(&tla, val)?;
 
 	#[cfg(feature = "exp-apply")]
 	for apply in opts.input.exp_apply {
modifiedcrates/jrsonnet-evaluator/src/ctx.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/ctx.rs
+++ b/crates/jrsonnet-evaluator/src/ctx.rs
@@ -6,12 +6,11 @@
 
 use crate::{
 	error::ErrorKind::*, gc::WithCapacityExt as _, map::LayeredHashMap, ObjValue, Pending, Result,
-	State, Thunk, Val,
+	Thunk, Val,
 };
 
 #[derive(Trace)]
 struct ContextInternals {
-	state: Option<State>,
 	dollar: Option<ObjValue>,
 	sup: Option<ObjValue>,
 	this: Option<ObjValue>,
@@ -33,13 +32,6 @@
 		Pending::new()
 	}
 
-	pub fn state(&self) -> &State {
-		self.0
-			.state
-			.as_ref()
-			.expect("used state from dummy context")
-	}
-
 	pub fn dollar(&self) -> Option<&ObjValue> {
 		self.0.dollar.as_ref()
 	}
@@ -112,7 +104,6 @@
 			ctx.bindings.clone().extend(new_bindings)
 		};
 		Self(Cc::new(ContextInternals {
-			state: ctx.state.clone(),
 			dollar,
 			sup,
 			this,
@@ -128,34 +119,22 @@
 }
 
 pub struct ContextBuilder {
-	state: Option<State>,
 	bindings: FxHashMap<IStr, Thunk<Val>>,
 	extend: Option<Context>,
 }
 
 impl ContextBuilder {
-	/// # Panics
-	/// Panics aren't directly caused by this function, but if state from resulting context is used
-	pub fn dangerous_empty_state() -> Self {
-		Self {
-			state: None,
-			bindings: FxHashMap::new(),
-			extend: None,
-		}
+	pub fn new() -> Self {
+		Self::with_capacity(0)
 	}
-	pub fn new(state: State) -> Self {
-		Self::with_capacity(state, 0)
-	}
-	pub fn with_capacity(state: State, capacity: usize) -> Self {
+	pub fn with_capacity(capacity: usize) -> Self {
 		Self {
-			state: Some(state),
 			bindings: FxHashMap::with_capacity(capacity),
 			extend: None,
 		}
 	}
 	pub fn extend(parent: Context) -> Self {
 		Self {
-			state: parent.0.state.clone(),
 			bindings: FxHashMap::new(),
 			extend: Some(parent),
 		}
@@ -173,7 +152,6 @@
 			parent.extend(self.bindings, None, None, None)
 		} else {
 			Context(Cc::new(ContextInternals {
-				state: self.state,
 				bindings: LayeredHashMap::new(self.bindings),
 				dollar: None,
 				sup: None,
modifiedcrates/jrsonnet-evaluator/src/function/arglike.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/function/arglike.rs
+++ b/crates/jrsonnet-evaluator/src/function/arglike.rs
@@ -4,7 +4,7 @@
 use jrsonnet_interner::IStr;
 use jrsonnet_parser::{ArgsDesc, LocExpr, SourceFifo, SourcePath};
 
-use crate::{evaluate, typed::Typed, Context, Result, Thunk, Val};
+use crate::{evaluate, typed::Typed, with_state, Context, Result, Thunk, Val};
 
 /// Marker for arguments, which can be evaluated with context set to None
 pub trait OptionalContext {}
@@ -47,28 +47,59 @@
 	ImportStr(String),
 	InlineCode(String),
 }
-impl ArgLike for TlaArg {
-	fn evaluate_arg(&self, ctx: Context, _tailstrict: bool) -> Result<Thunk<Val>> {
+impl TlaArg {
+	pub fn evaluate_tailstrict(&self) -> Result<Val> {
 		match self {
+			Self::String(s) => Ok(Val::string(s.clone())),
+			Self::Val(val) => Ok(val.clone()),
+			Self::Lazy(lazy) => Ok(lazy.evaluate()?),
+			Self::Import(p) => with_state(|s| {
+				let resolved = s.resolve_from_default(&p.as_str())?;
+				s.import_resolved(resolved)
+			}),
+			Self::ImportStr(p) => with_state(|s| {
+				let resolved = s.resolve_from_default(&p.as_str())?;
+				s.import_resolved_str(resolved).map(Val::string)
+			}),
+			Self::InlineCode(p) => with_state(|s| {
+				let resolved =
+					SourcePath::new(SourceFifo("<inline code>".to_owned(), p.as_bytes().into()));
+				s.import_resolved(resolved)
+			}),
+		}
+	}
+	pub fn evaluate(&self) -> Result<Thunk<Val>> {
+		match self {
 			Self::String(s) => Ok(Thunk::evaluated(Val::string(s.clone()))),
 			Self::Val(val) => Ok(Thunk::evaluated(val.clone())),
 			Self::Lazy(lazy) => Ok(lazy.clone()),
-			Self::Import(p) => {
-				let resolved = ctx.state().resolve_from_default(&p.as_str())?;
-				Ok(Thunk!(move || ctx.state().import_resolved(resolved)))
-			}
-			Self::ImportStr(p) => {
-				let resolved = ctx.state().resolve_from_default(&p.as_str())?;
-				Ok(Thunk!(move || ctx
-					.state()
+			Self::Import(p) => with_state(|s| {
+				let resolved = s.resolve_from_default(&p.as_str())?;
+				Ok(Thunk!(move || s.import_resolved(resolved)))
+			}),
+			Self::ImportStr(p) => with_state(|s| {
+				let resolved = s.resolve_from_default(&p.as_str())?;
+				Ok(Thunk!(move || s
 					.import_resolved_str(resolved)
 					.map(Val::string)))
-			}
-			Self::InlineCode(p) => {
+			}),
+			Self::InlineCode(p) => with_state(|s| {
 				let resolved =
 					SourcePath::new(SourceFifo("<inline code>".to_owned(), p.as_bytes().into()));
-				Ok(Thunk!(move || ctx.state().import_resolved(resolved)))
-			}
+				Ok(Thunk!(move || s.import_resolved(resolved)))
+			}),
+		}
+	}
+}
+
+// TODO: Is this implementation really required, as there is no Context to use?
+// Maybe something a bit stricter is possible to add, especially with precompiled calls?
+impl ArgLike for TlaArg {
+	fn evaluate_arg(&self, _ctx: Context, tailstrict: bool) -> Result<Thunk<Val>> {
+		if tailstrict {
+			self.evaluate_tailstrict().map(Thunk::evaluated)
+		} else {
+			self.evaluate()
 		}
 	}
 }
modifiedcrates/jrsonnet-evaluator/src/function/mod.rsdiffbeforeafterboth
before · crates/jrsonnet-evaluator/src/function/mod.rs
1use std::fmt::Debug;23pub use arglike::{ArgLike, ArgsLike, TlaArg};4use jrsonnet_gcmodule::{Cc, Trace};5use jrsonnet_interner::IStr;6pub use jrsonnet_macros::builtin;7use jrsonnet_parser::{Destruct, Expr, LocExpr, ParamsDesc, Span};89use self::{10	arglike::OptionalContext,11	builtin::{Builtin, BuiltinParam, ParamDefault, ParamName, StaticBuiltin},12	native::NativeDesc,13	parse::{parse_default_function_call, parse_function_call},14};15use crate::{16	bail, error::ErrorKind::*, evaluate, evaluate_trivial, function::builtin::BuiltinFunc, Context,17	ContextBuilder, Result, Thunk, Val,18};1920pub mod arglike;21pub mod builtin;22pub mod native;23pub mod parse;2425/// Function callsite location.26/// Either from other jsonnet code, specified by expression location, or from native (without location).27#[derive(Clone, Copy)]28pub struct CallLocation<'l>(pub Option<&'l Span>);29impl<'l> CallLocation<'l> {30	/// Construct new location for calls coming from specified jsonnet expression location.31	pub const fn new(loc: &'l Span) -> Self {32		Self(Some(loc))33	}34}35impl CallLocation<'static> {36	/// Construct new location for calls coming from native code.37	pub const fn native() -> Self {38		Self(None)39	}40}4142/// Represents Jsonnet function defined in code.43#[derive(Debug, PartialEq, Trace)]44pub struct FuncDesc {45	/// # Example46	///47	/// In expressions like this, deducted to `a`, unspecified otherwise.48	/// ```jsonnet49	/// local a = function() ...50	/// local a() ...51	/// { a: function() ... }52	/// { a() = ... }53	/// ```54	pub name: IStr,55	/// Context, in which this function was evaluated.56	///57	/// # Example58	/// In59	/// ```jsonnet60	/// local a = 2;61	/// function() ...62	/// ```63	/// context will contain `a`.64	pub ctx: Context,6566	/// Function parameter definition67	pub params: ParamsDesc,68	/// Function body69	pub body: LocExpr,70}71impl FuncDesc {72	/// Create body context, but fill arguments without defaults with lazy error73	pub fn default_body_context(&self) -> Result<Context> {74		parse_default_function_call(self.ctx.clone(), &self.params)75	}7677	/// Create context, with which body code will run78	pub fn call_body_context(79		&self,80		call_ctx: Context,81		args: &dyn ArgsLike,82		tailstrict: bool,83	) -> Result<Context> {84		parse_function_call(call_ctx, self.ctx.clone(), &self.params, args, tailstrict)85	}8687	pub fn evaluate_trivial(&self) -> Option<Val> {88		evaluate_trivial(&self.body)89	}90}9192/// Represents a Jsonnet function value, including plain functions and user-provided builtins.93#[allow(clippy::module_name_repetitions)]94#[derive(Trace, Clone)]95pub enum FuncVal {96	/// Identity function, kept this way for comparsions.97	Id,98	/// Plain function implemented in jsonnet.99	Normal(Cc<FuncDesc>),100	/// Function without arguments works just as a fancy thunk value.101	Thunk(Thunk<Val>),102	/// Standard library function.103	StaticBuiltin(#[trace(skip)] &'static dyn StaticBuiltin),104	/// User-provided function.105	Builtin(BuiltinFunc),106}107108impl Debug for FuncVal {109	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {110		match self {111			Self::Id => f.debug_tuple("Id").finish(),112			Self::Thunk(arg0) => f.debug_tuple("Thunk").field(arg0).finish(),113			Self::Normal(arg0) => f.debug_tuple("Normal").field(arg0).finish(),114			Self::StaticBuiltin(arg0) => {115				f.debug_tuple("StaticBuiltin").field(&arg0.name()).finish()116			}117			Self::Builtin(arg0) => f.debug_tuple("Builtin").field(&arg0.name()).finish(),118		}119	}120}121122#[allow(clippy::unnecessary_wraps)]123#[builtin]124const fn builtin_id(x: Val) -> Val {125	x126}127static ID: &builtin_id = &builtin_id {};128129impl FuncVal {130	pub fn builtin(builtin: impl Builtin) -> Self {131		Self::Builtin(BuiltinFunc::new(builtin))132	}133	pub fn static_builtin(static_builtin: &'static dyn StaticBuiltin) -> Self {134		Self::StaticBuiltin(static_builtin)135	}136137	pub fn params(&self) -> Vec<BuiltinParam> {138		match self {139			Self::Id => ID.params().to_vec(),140			Self::StaticBuiltin(i) => i.params().to_vec(),141			Self::Builtin(i) => i.params().to_vec(),142			Self::Normal(p) => p143				.params144				.iter()145				.map(|p| {146					BuiltinParam::new(147						p.0.name()148							.as_ref()149							.map(IStr::to_string)150							.map_or(ParamName::ANONYMOUS, ParamName::new_dynamic),151						ParamDefault::exists(p.1.is_some()),152					)153				})154				.collect(),155			Self::Thunk(_) => vec![],156		}157	}158	/// Amount of non-default required arguments159	pub fn params_len(&self) -> usize {160		match self {161			Self::Id => 1,162			Self::Normal(n) => n.params.iter().filter(|p| p.1.is_none()).count(),163			Self::StaticBuiltin(i) => i.params().iter().filter(|p| !p.has_default()).count(),164			Self::Builtin(i) => i.params().iter().filter(|p| !p.has_default()).count(),165			Self::Thunk(_) => 0,166		}167	}168	/// Function name, as defined in code.169	pub fn name(&self) -> IStr {170		match self {171			Self::Id => "id".into(),172			Self::Normal(normal) => normal.name.clone(),173			Self::StaticBuiltin(builtin) => builtin.name().into(),174			Self::Builtin(builtin) => builtin.name().into(),175			Self::Thunk(_) => "thunk".into(),176		}177	}178	/// Call function using arguments evaluated in specified `call_ctx` [`Context`].179	///180	/// If `tailstrict` is specified - then arguments will be evaluated before being passed to function body.181	pub fn evaluate(182		&self,183		call_ctx: Context,184		loc: CallLocation<'_>,185		args: &dyn ArgsLike,186		tailstrict: bool,187	) -> Result<Val> {188		match self {189			Self::Id => ID.call(call_ctx, loc, args),190			Self::Normal(func) => {191				let body_ctx = func.call_body_context(call_ctx, args, tailstrict)?;192				evaluate(body_ctx, &func.body)193			}194			Self::Thunk(thunk) => {195				if args.is_empty() {196					bail!(TooManyArgsFunctionHas(0, vec![],))197				}198				thunk.evaluate()199			}200			Self::StaticBuiltin(b) => b.call(call_ctx, loc, args),201			Self::Builtin(b) => b.call(call_ctx, loc, args),202		}203	}204	pub fn evaluate_simple<A: ArgsLike + OptionalContext>(205		&self,206		args: &A,207		tailstrict: bool,208	) -> Result<Val> {209		self.evaluate(210			ContextBuilder::dangerous_empty_state().build(),211			CallLocation::native(),212			args,213			tailstrict,214		)215	}216	/// Convert jsonnet function to plain `Fn` value.217	pub fn into_native<D: NativeDesc>(self) -> D::Value {218		D::into_native(self)219	}220221	/// Is this function an indentity function.222	///223	/// Currently only works for builtin `std.id`, aka `Self::Id` value, and `function(x) x`.224	///225	/// This function should only be used for optimization, not for the conditional logic, i.e code should work with syntetic identity function too226	pub fn is_identity(&self) -> bool {227		match self {228			Self::Id => true,229			Self::Normal(desc) => {230				if desc.params.len() != 1 {231					return false;232				}233				let param = &desc.params[0];234				if param.1.is_some() {235					return false;236				}237				#[allow(clippy::infallible_destructuring_match)]238				let id = match &param.0 {239					Destruct::Full(id) => id,240					#[cfg(feature = "exp-destruct")]241					_ => return false,242				};243				desc.body.expr() == &Expr::Var(id.clone())244			}245			_ => false,246		}247	}248	/// Identity function value.249	pub const fn identity() -> Self {250		Self::Id251	}252253	pub fn evaluate_trivial(&self) -> Option<Val> {254		match self {255			Self::Normal(n) => n.evaluate_trivial(),256			_ => None,257		}258	}259}260261impl<T> From<T> for FuncVal262where263	T: Builtin,264{265	fn from(value: T) -> Self {266		Self::builtin(value)267	}268}269impl From<&'static dyn StaticBuiltin> for FuncVal {270	fn from(value: &'static dyn StaticBuiltin) -> Self {271		Self::static_builtin(value)272	}273}
after · crates/jrsonnet-evaluator/src/function/mod.rs
1use std::fmt::Debug;23pub use arglike::{ArgLike, ArgsLike, TlaArg};4use jrsonnet_gcmodule::{Cc, Trace};5use jrsonnet_interner::IStr;6pub use jrsonnet_macros::builtin;7use jrsonnet_parser::{Destruct, Expr, LocExpr, ParamsDesc, Span};89use self::{10	arglike::OptionalContext,11	builtin::{Builtin, BuiltinParam, ParamDefault, ParamName, StaticBuiltin},12	native::NativeDesc,13	parse::{parse_default_function_call, parse_function_call},14};15use crate::{16	bail, error::ErrorKind::*, evaluate, evaluate_trivial, function::builtin::BuiltinFunc, Context,17	ContextBuilder, Result, Thunk, Val,18};1920pub mod arglike;21pub mod builtin;22pub mod native;23pub mod parse;2425/// Function callsite location.26/// Either from other jsonnet code, specified by expression location, or from native (without location).27#[derive(Clone, Copy)]28pub struct CallLocation<'l>(pub Option<&'l Span>);29impl<'l> CallLocation<'l> {30	/// Construct new location for calls coming from specified jsonnet expression location.31	pub const fn new(loc: &'l Span) -> Self {32		Self(Some(loc))33	}34}35impl CallLocation<'static> {36	/// Construct new location for calls coming from native code.37	pub const fn native() -> Self {38		Self(None)39	}40}4142/// Represents Jsonnet function defined in code.43#[derive(Debug, PartialEq, Trace)]44pub struct FuncDesc {45	/// # Example46	///47	/// In expressions like this, deducted to `a`, unspecified otherwise.48	/// ```jsonnet49	/// local a = function() ...50	/// local a() ...51	/// { a: function() ... }52	/// { a() = ... }53	/// ```54	pub name: IStr,55	/// Context, in which this function was evaluated.56	///57	/// # Example58	/// In59	/// ```jsonnet60	/// local a = 2;61	/// function() ...62	/// ```63	/// context will contain `a`.64	pub ctx: Context,6566	/// Function parameter definition67	pub params: ParamsDesc,68	/// Function body69	pub body: LocExpr,70}71impl FuncDesc {72	/// Create body context, but fill arguments without defaults with lazy error73	pub fn default_body_context(&self) -> Result<Context> {74		parse_default_function_call(self.ctx.clone(), &self.params)75	}7677	/// Create context, with which body code will run78	pub fn call_body_context(79		&self,80		call_ctx: Context,81		args: &dyn ArgsLike,82		tailstrict: bool,83	) -> Result<Context> {84		parse_function_call(call_ctx, self.ctx.clone(), &self.params, args, tailstrict)85	}8687	pub fn evaluate_trivial(&self) -> Option<Val> {88		evaluate_trivial(&self.body)89	}90}9192/// Represents a Jsonnet function value, including plain functions and user-provided builtins.93#[allow(clippy::module_name_repetitions)]94#[derive(Trace, Clone)]95pub enum FuncVal {96	/// Identity function, kept this way for comparsions.97	Id,98	/// Plain function implemented in jsonnet.99	Normal(Cc<FuncDesc>),100	/// Function without arguments works just as a fancy thunk value.101	Thunk(Thunk<Val>),102	/// Standard library function.103	StaticBuiltin(#[trace(skip)] &'static dyn StaticBuiltin),104	/// User-provided function.105	Builtin(BuiltinFunc),106}107108impl Debug for FuncVal {109	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {110		match self {111			Self::Id => f.debug_tuple("Id").finish(),112			Self::Thunk(arg0) => f.debug_tuple("Thunk").field(arg0).finish(),113			Self::Normal(arg0) => f.debug_tuple("Normal").field(arg0).finish(),114			Self::StaticBuiltin(arg0) => {115				f.debug_tuple("StaticBuiltin").field(&arg0.name()).finish()116			}117			Self::Builtin(arg0) => f.debug_tuple("Builtin").field(&arg0.name()).finish(),118		}119	}120}121122#[allow(clippy::unnecessary_wraps)]123#[builtin]124const fn builtin_id(x: Val) -> Val {125	x126}127static ID: &builtin_id = &builtin_id {};128129impl FuncVal {130	pub fn builtin(builtin: impl Builtin) -> Self {131		Self::Builtin(BuiltinFunc::new(builtin))132	}133	pub fn static_builtin(static_builtin: &'static dyn StaticBuiltin) -> Self {134		Self::StaticBuiltin(static_builtin)135	}136137	pub fn params(&self) -> Vec<BuiltinParam> {138		match self {139			Self::Id => ID.params().to_vec(),140			Self::StaticBuiltin(i) => i.params().to_vec(),141			Self::Builtin(i) => i.params().to_vec(),142			Self::Normal(p) => p143				.params144				.iter()145				.map(|p| {146					BuiltinParam::new(147						p.0.name()148							.as_ref()149							.map(IStr::to_string)150							.map_or(ParamName::ANONYMOUS, ParamName::new_dynamic),151						ParamDefault::exists(p.1.is_some()),152					)153				})154				.collect(),155			Self::Thunk(_) => vec![],156		}157	}158	/// Amount of non-default required arguments159	pub fn params_len(&self) -> usize {160		match self {161			Self::Id => 1,162			Self::Normal(n) => n.params.iter().filter(|p| p.1.is_none()).count(),163			Self::StaticBuiltin(i) => i.params().iter().filter(|p| !p.has_default()).count(),164			Self::Builtin(i) => i.params().iter().filter(|p| !p.has_default()).count(),165			Self::Thunk(_) => 0,166		}167	}168	/// Function name, as defined in code.169	pub fn name(&self) -> IStr {170		match self {171			Self::Id => "id".into(),172			Self::Normal(normal) => normal.name.clone(),173			Self::StaticBuiltin(builtin) => builtin.name().into(),174			Self::Builtin(builtin) => builtin.name().into(),175			Self::Thunk(_) => "thunk".into(),176		}177	}178	/// Call function using arguments evaluated in specified `call_ctx` [`Context`].179	///180	/// If `tailstrict` is specified - then arguments will be evaluated before being passed to function body.181	pub fn evaluate(182		&self,183		call_ctx: Context,184		loc: CallLocation<'_>,185		args: &dyn ArgsLike,186		tailstrict: bool,187	) -> Result<Val> {188		match self {189			Self::Id => ID.call(call_ctx, loc, args),190			Self::Normal(func) => {191				let body_ctx = func.call_body_context(call_ctx, args, tailstrict)?;192				evaluate(body_ctx, &func.body)193			}194			Self::Thunk(thunk) => {195				if args.is_empty() {196					bail!(TooManyArgsFunctionHas(0, vec![],))197				}198				thunk.evaluate()199			}200			Self::StaticBuiltin(b) => b.call(call_ctx, loc, args),201			Self::Builtin(b) => b.call(call_ctx, loc, args),202		}203	}204	pub fn evaluate_simple<A: ArgsLike + OptionalContext>(205		&self,206		args: &A,207		tailstrict: bool,208	) -> Result<Val> {209		self.evaluate(210			ContextBuilder::new().build(),211			CallLocation::native(),212			args,213			tailstrict,214		)215	}216	/// Convert jsonnet function to plain `Fn` value.217	pub fn into_native<D: NativeDesc>(self) -> D::Value {218		D::into_native(self)219	}220221	/// Is this function an indentity function.222	///223	/// Currently only works for builtin `std.id`, aka `Self::Id` value, and `function(x) x`.224	///225	/// This function should only be used for optimization, not for the conditional logic, i.e code should work with syntetic identity function too226	pub fn is_identity(&self) -> bool {227		match self {228			Self::Id => true,229			Self::Normal(desc) => {230				if desc.params.len() != 1 {231					return false;232				}233				let param = &desc.params[0];234				if param.1.is_some() {235					return false;236				}237				#[allow(clippy::infallible_destructuring_match)]238				let id = match &param.0 {239					Destruct::Full(id) => id,240					#[cfg(feature = "exp-destruct")]241					_ => return false,242				};243				desc.body.expr() == &Expr::Var(id.clone())244			}245			_ => false,246		}247	}248	/// Identity function value.249	pub const fn identity() -> Self {250		Self::Id251	}252253	pub fn evaluate_trivial(&self) -> Option<Val> {254		match self {255			Self::Normal(n) => n.evaluate_trivial(),256			_ => None,257		}258	}259}260261impl<T> From<T> for FuncVal262where263	T: Builtin,264{265	fn from(value: T) -> Self {266		Self::builtin(value)267	}268}269impl From<&'static dyn StaticBuiltin> for FuncVal {270	fn from(value: &'static dyn StaticBuiltin) -> Self {271		Self::static_builtin(value)272	}273}
modifiedcrates/jrsonnet-evaluator/src/tla.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/tla.rs
+++ b/crates/jrsonnet-evaluator/src/tla.rs
@@ -1,21 +1,24 @@
 use jrsonnet_interner::IStr;
 use jrsonnet_parser::Source;
+use rustc_hash::FxHashMap;
 
 use crate::{
-	function::{ArgsLike, CallLocation},
-	in_description_frame, Result, State, Val,
+	function::{CallLocation, TlaArg},
+	in_description_frame, with_state, Result, Val,
 };
 
-pub fn apply_tla<A: ArgsLike>(s: State, args: &A, val: Val) -> Result<Val> {
+pub fn apply_tla(args: &FxHashMap<IStr, TlaArg>, val: Val) -> Result<Val> {
 	Ok(if let Val::Func(func) = val {
 		in_description_frame(
 			|| "during TLA call".to_owned(),
 			|| {
 				func.evaluate(
-					s.create_default_context(Source::new_virtual(
-						"<top-level-arg>".into(),
-						IStr::empty(),
-					)),
+					with_state(|s| {
+						s.create_default_context(Source::new_virtual(
+							"<top-level-arg>".into(),
+							IStr::empty(),
+						))
+					}),
 					CallLocation::native(),
 					args,
 					false,
modifiedcrates/jrsonnet-stdlib/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-stdlib/src/lib.rs
+++ b/crates/jrsonnet-stdlib/src/lib.rs
@@ -335,11 +335,6 @@
 	pub path_resolver: PathResolver,
 }
 
-fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {
-	let source_name = format!("<extvar:{name}>");
-	Source::new_virtual(source_name.into(), code.into())
-}
-
 #[derive(Trace, Clone)]
 pub struct ContextInitializer {
 	/// std without applied thisFile overlay
modifiedcrates/jrsonnet-stdlib/src/misc.rsdiffbeforeafterboth
--- a/crates/jrsonnet-stdlib/src/misc.rs
+++ b/crates/jrsonnet-stdlib/src/misc.rs
@@ -3,15 +3,15 @@
 use jrsonnet_evaluator::{
 	bail,
 	error::{ErrorKind::*, Result},
-	function::{builtin, ArgLike, CallLocation, FuncVal},
+	function::{builtin, CallLocation, FuncVal},
 	manifest::JsonFormat,
 	typed::{Either2, Either4},
 	val::{equals, ArrValue},
-	Context, Either, IStr, ObjValue, ObjValueBuilder, ResultExt, Thunk, Val,
+	Either, IStr, ObjValue, ObjValueBuilder, ResultExt, Thunk, Val,
 };
 use jrsonnet_gcmodule::Cc;
 
-use crate::{extvar_source, Settings};
+use crate::Settings;
 
 #[builtin]
 pub fn builtin_length(x: Either![IStr, ArrValue, ObjValue, FuncVal]) -> usize {
@@ -50,16 +50,14 @@
 #[builtin(fields(
 	settings: Cc<RefCell<Settings>>,
 ))]
-pub fn builtin_ext_var(this: &builtin_ext_var, ctx: Context, x: IStr) -> Result<Val> {
-	let ctx = ctx.state().create_default_context(extvar_source(&x, ""));
+pub fn builtin_ext_var(this: &builtin_ext_var, x: IStr) -> Result<Val> {
 	this.settings
 		.borrow()
 		.ext_vars
 		.get(&x)
 		.cloned()
 		.ok_or_else(|| UndefinedExternalVariable(x))?
-		.evaluate_arg(ctx, true)?
-		.evaluate()
+		.evaluate_tailstrict()
 }
 
 #[builtin(fields(
modifiedtests/tests/builtin.rsdiffbeforeafterboth
--- a/tests/tests/builtin.rs
+++ b/tests/tests/builtin.rs
@@ -19,7 +19,7 @@
 fn basic_function() -> Result<()> {
 	let a: a = a {};
 	let v = u32::from_untyped(a.call(
-		ContextBuilder::dangerous_empty_state().build(),
+		ContextBuilder::new().build(),
 		CallLocation::native(),
 		&(),
 	)?)?;