perf: move more stdlib functions to native

crates/jrsonnet-stdlib/src/arrays.rs

@@ -102,6 +102,15 @@ pub fn builtin_filter(func: FuncVal, arr: ArrValue) -> Result<ArrValue> {
 	arr.filter(|val| bool::from_untyped(func.evaluate_simple(&(val.clone(),), false)?))
 }
 
+#[builtin]
+pub fn builtin_filter_map(
+	filter_func: FuncVal,
+	map_func: FuncVal,
+	arr: ArrValue,
+) -> Result<ArrValue> {
+	Ok(builtin_filter(filter_func, arr)?.map(map_func))
+}
+
 #[builtin]
 pub fn builtin_foldl(func: FuncVal, arr: ArrValue, init: Val) -> Result<Val> {
 	let mut acc = init;
@@ -274,3 +283,22 @@ pub fn builtin_remove(arr: ArrValue, elem: Val) -> Result<ArrValue> {
 	}
 	Ok(arr)
 }
+
+#[builtin]
+pub fn builtin_flatten_arrays(arrs: Vec<ArrValue>) -> ArrValue {
+	pub fn flatten_inner(values: &[ArrValue]) -> ArrValue {
+		if values.len() == 1 {
+			return values[0].clone();
+		} else if values.len() == 2 {
+			return ArrValue::extended(values[0].clone(), values[1].clone());
+		}
+		let (a, b) = values.split_at(values.len() / 2);
+		ArrValue::extended(flatten_inner(a), flatten_inner(b))
+	}
+	if arrs.is_empty() {
+		return ArrValue::empty();
+	} else if arrs.len() == 1 {
+		return arrs.into_iter().next().expect("single");
+	}
+	flatten_inner(&arrs)
+}

crates/jrsonnet-stdlib/src/lib.rs

@@ -84,6 +84,8 @@ pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {
 		("avg", builtin_avg::INST),
 		("removeAt", builtin_remove_at::INST),
 		("remove", builtin_remove::INST),
+		("flattenArrays", builtin_flatten_arrays::INST),
+		("filterMap", builtin_filter_map::INST),
 		// Math
 		("abs", builtin_abs::INST),
 		("sign", builtin_sign::INST),
@@ -137,17 +139,22 @@ pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {
 		("base64DecodeBytes", builtin_base64_decode_bytes::INST),
 		// Objects
 		("objectFieldsEx", builtin_object_fields_ex::INST),
+		("objectFields", builtin_object_fields::INST),
+		("objectFieldsAll", builtin_object_fields_all::INST),
 		("objectValues", builtin_object_values::INST),
 		("objectValuesAll", builtin_object_values_all::INST),
 		("objectKeysValues", builtin_object_keys_values::INST),
 		("objectKeysValuesAll", builtin_object_keys_values_all::INST),
 		("objectHasEx", builtin_object_has_ex::INST),
+		("objectHas", builtin_object_has::INST),
+		("objectHasAll", builtin_object_has_all::INST),
 		("objectRemoveKey", builtin_object_remove_key::INST),
 		// Manifest
 		("escapeStringJson", builtin_escape_string_json::INST),
 		("manifestJsonEx", builtin_manifest_json_ex::INST),
 		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),
 		("manifestTomlEx", builtin_manifest_toml_ex::INST),
+		("toString", builtin_to_string::INST),
 		// Parsing
 		("parseJson", builtin_parse_json::INST),
 		("parseYaml", builtin_parse_yaml::INST),
@@ -167,6 +174,7 @@ pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {
 		("bigint", builtin_bigint::INST),
 		("parseOctal", builtin_parse_octal::INST),
 		("parseHex", builtin_parse_hex::INST),
+		("stringChars", builtin_string_chars::INST),
 		// Misc
 		("length", builtin_length::INST),
 		("startsWith", builtin_starts_with::INST),
@@ -175,6 +183,7 @@ pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {
 		("setMember", builtin_set_member::INST),
 		("setInter", builtin_set_inter::INST),
 		("setDiff", builtin_set_diff::INST),
+		("setUnion", builtin_set_union::INST),
 		// Compat
 		("__compare", builtin___compare::INST),
 	]
@@ -347,19 +356,15 @@ impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {
 
 		let mut std = ObjValueBuilder::new();
 		std.with_super(self.stdlib_obj.clone());
-		std.field("thisFile".into())
+		std.field("thisFile")
 			.hide()
-			.value(Val::string(match source.source_path().path() {
-				Some(p) => self.settings().path_resolver.resolve(p).into(),
-				None => source.source_path().to_string().into(),
-			}))
-			.expect("this object builder is empty");
+			.value(match source.source_path().path() {
+				Some(p) => self.settings().path_resolver.resolve(p),
+				None => source.source_path().to_string(),
+			});
 		let stdlib_with_this_file = std.build();
 
-		builder.bind(
-			"std".into(),
-			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),
-		);
+		builder.bind("std", Thunk::evaluated(Val::Obj(stdlib_with_this_file)));
 	}
 	fn as_any(&self) -> &dyn std::any::Any {
 		self

crates/jrsonnet-stdlib/src/manifest/mod.rs

@@ -60,3 +60,8 @@ pub fn builtin_manifest_toml_ex(
 		preserve_order.unwrap_or(false),
 	))
 }
+
+#[builtin]
+pub fn builtin_to_string(a: Val) -> Result<IStr> {
+	a.to_string()
+}

crates/jrsonnet-stdlib/src/objects.rs

@@ -1,6 +1,6 @@
 use jrsonnet_evaluator::{
 	function::builtin,
-	val::{ArrValue, StrValue, Val},
+	val::{ArrValue, Val},
 	IStr, ObjValue, ObjValueBuilder,
 };
 
@@ -17,10 +17,33 @@ pub fn builtin_object_fields_ex(
 		#[cfg(feature = "exp-preserve-order")]
 		preserve_order,
 	);
-	out.into_iter()
-		.map(StrValue::Flat)
-		.map(Val::Str)
-		.collect::<Vec<_>>()
+	out.into_iter().map(Val::string).collect::<Vec<_>>()
+}
+
+#[builtin]
+pub fn builtin_object_fields(
+	o: ObjValue,
+	#[cfg(feature = "exp-preserve-order")] preserve_order: Option<bool>,
+) -> Vec<Val> {
+	builtin_object_fields_ex(
+		o,
+		false,
+		#[cfg(feature = "exp-preserve-order")]
+		preserve_order,
+	)
+}
+
+#[builtin]
+pub fn builtin_object_fields_all(
+	o: ObjValue,
+	#[cfg(feature = "exp-preserve-order")] preserve_order: Option<bool>,
+) -> Vec<Val> {
+	builtin_object_fields_ex(
+		o,
+		true,
+		#[cfg(feature = "exp-preserve-order")]
+		preserve_order,
+	)
 }
 
 pub fn builtin_object_values_ex(
@@ -104,6 +127,16 @@ pub fn builtin_object_has_ex(obj: ObjValue, fname: IStr, hidden: bool) -> bool {
 	obj.has_field_ex(fname, hidden)
 }
 
+#[builtin]
+pub fn builtin_object_has(o: ObjValue, f: IStr) -> bool {
+	o.has_field(f)
+}
+
+#[builtin]
+pub fn builtin_object_has_all(o: ObjValue, f: IStr) -> bool {
+	o.has_field_include_hidden(f)
+}
+
 #[builtin]
 pub fn builtin_object_remove_key(
 	obj: ObjValue,

crates/jrsonnet-stdlib/src/sets.rs

@@ -70,6 +70,7 @@ pub fn builtin_set_inter(a: ArrValue, b: ArrValue, keyF: Option<FuncVal>) -> Res
 	}
 	Ok(ArrValue::lazy(out))
 }
+
 #[builtin]
 #[allow(non_snake_case, clippy::redundant_closure)]
 pub fn builtin_set_diff(a: ArrValue, b: ArrValue, keyF: Option<FuncVal>) -> Result<ArrValue> {
@@ -115,3 +116,57 @@ pub fn builtin_set_diff(a: ArrValue, b: ArrValue, keyF: Option<FuncVal>) -> Resu
 	}
 	Ok(ArrValue::lazy(out))
 }
+
+#[builtin]
+#[allow(non_snake_case, clippy::redundant_closure)]
+pub fn builtin_set_union(a: ArrValue, b: ArrValue, keyF: Option<FuncVal>) -> Result<ArrValue> {
+	let mut a = a.iter_lazy();
+	let mut b = b.iter_lazy();
+
+	let keyF = keyF
+		.unwrap_or(FuncVal::identity())
+		.into_native::<((Thunk<Val>,), Val)>();
+	let keyF = |v| keyF(v);
+
+	let mut av = a.next();
+	let mut bv = b.next();
+	let mut ak = av.clone().map(keyF).transpose()?;
+	let mut bk = bv.clone().map(keyF).transpose()?;
+
+	let mut out = Vec::new();
+	while let (Some(ac), Some(bc)) = (&ak, &bk) {
+		match evaluate_compare_op(ac, bc, BinaryOpType::Lt)? {
+			Ordering::Less => {
+				out.push(av.clone().expect("ak != None"));
+				av = a.next();
+				ak = av.clone().map(keyF).transpose()?;
+			}
+			Ordering::Greater => {
+				out.push(bv.clone().expect("bk != None"));
+				bv = b.next();
+				bk = bv.clone().map(keyF).transpose()?;
+			}
+			Ordering::Equal => {
+				// NOTE: order matters, values in `a` win
+				out.push(av.clone().expect("ak != None"));
+				av = a.next();
+				ak = av.clone().map(keyF).transpose()?;
+				bv = b.next();
+				bk = bv.clone().map(keyF).transpose()?;
+			}
+		};
+	}
+	// a.len() > b.len()
+	while let Some(_ac) = &ak {
+		out.push(av.clone().expect("ak != None"));
+		av = a.next();
+		ak = av.clone().map(keyF).transpose()?;
+	}
+	// b.len() > a.len()
+	while let Some(_bc) = &bk {
+		out.push(bv.clone().expect("ak != None"));
+		bv = b.next();
+		bk = bv.clone().map(keyF).transpose()?;
+	}
+	Ok(ArrValue::lazy(out))
+}

crates/jrsonnet-stdlib/src/std.jsonnet

@@ -4,8 +4,6 @@
 
   thisFile:: error 'std.thisFile is deprecated, to enable its support in jrsonnet - recompile it with "legacy-this-file" support.\nThis will slow down stdlib caching a bit, though',
 
-  toString(a):: '' + a,
-
   lstripChars(str, chars)::
     if std.length(str) > 0 && std.member(chars, str[0]) then
       std.lstripChars(str[1:], chars)
@@ -22,9 +20,6 @@
   stripChars(str, chars)::
     std.lstripChars(std.rstripChars(str, chars), chars),
 
-  stringChars(str)::
-    std.makeArray(std.length(str), function(i) str[i]),
-
   splitLimitR(str, c, maxsplits)::
     if maxsplits == -1 then
       std.splitLimit(str, c, -1)
@@ -61,16 +56,6 @@
     else
       error 'Expected string or array, got %s' % std.type(arr),
 
-  filterMap(filter_func, map_func, arr)::
-    if !std.isFunction(filter_func) then
-      error ('std.filterMap first param must be function, got ' + std.type(filter_func))
-    else if !std.isFunction(map_func) then
-      error ('std.filterMap second param must be function, got ' + std.type(map_func))
-    else if !std.isArray(arr) then
-      error ('std.filterMap third param must be array, got ' + std.type(arr))
-    else
-      std.map(map_func, std.filter(filter_func, arr)),
-
   assertEqual(a, b)::
     if a == b then
       true
@@ -82,9 +67,6 @@
     else if x > maxVal then maxVal
     else x,
 
-  flattenArrays(arrs)::
-    std.foldl(function(a, b) a + b, arrs, []),
-
   manifestIni(ini)::
     local body_lines(body) =
       std.join([], [
@@ -196,24 +178,6 @@
 
       aux(value),
 
-  setUnion(a, b, keyF=id)::
-    // NOTE: order matters, values in `a` win
-    local aux(a, b, i, j, acc) =
-      if i >= std.length(a) then
-        acc + b[j:]
-      else if j >= std.length(b) then
-        acc + a[i:]
-      else
-        local ak = keyF(a[i]);
-        local bk = keyF(b[j]);
-        if ak == bk then
-          aux(a, b, i + 1, j + 1, acc + [a[i]]) tailstrict
-        else if ak < bk then
-          aux(a, b, i + 1, j, acc + [a[i]]) tailstrict
-        else
-          aux(a, b, i, j + 1, acc + [b[j]]) tailstrict;
-    aux(a, b, 0, 0, []),
-
   mergePatch(target, patch)::
     if std.isObject(patch) then
       local target_object =
@@ -241,18 +205,6 @@
   get(o, f, default=null, inc_hidden=true)::
     if std.objectHasEx(o, f, inc_hidden) then o[f] else default,
 
-  objectFields(o)::
-    std.objectFieldsEx(o, false),
-
-  objectFieldsAll(o)::
-    std.objectFieldsEx(o, true),
-
-  objectHas(o, f)::
-    std.objectHasEx(o, f, false),
-
-  objectHasAll(o, f)::
-    std.objectHasEx(o, f, true),
-
   resolvePath(f, r)::
     local arr = std.split(f, '/');
     std.join('/', std.makeArray(std.length(arr) - 1, function(i) arr[i]) + [r]),

crates/jrsonnet-stdlib/src/strings.rs

@@ -198,3 +198,8 @@ mod tests {
 		assert_eq!(parse_nat::<16>("BbC").unwrap(), 0xBBC as f64);
 	}
 }
+
+#[builtin]
+pub fn builtin_string_chars(str: IStr) -> ArrValue {
+	ArrValue::chars(str.chars())
+}