git.delta.rocks / jrsonnet / refs/commits / 393dcbd419fd

difftreelog

feat(macro) pass call location to builtins

Yaroslav Bolyukin2021-12-26parent: #a5471f2.patch.diff
in: master

8 files changed

addedcmds/jrsonnet-fmt/Cargo.tomldiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "jrsonnet-fmt"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+dprint-core = "0.47.1"
+jrsonnet-parser = { path = "../../crates/jrsonnet-parser" }
addedcmds/jrsonnet-fmt/src/main.rsdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/src/main.rs
@@ -0,0 +1,373 @@
+use std::path::PathBuf;
+
+use dprint_core::formatting::{PrintItems, PrintOptions, Signal};
+use jrsonnet_parser::{
+	ArgsDesc, BinaryOpType, BindSpec, Expr, FieldName, LocExpr, Member, ObjBody, Param, ParamsDesc,
+	ParserSettings, Visibility,
+};
+
+pub trait Printable {
+	fn print(&self) -> PrintItems;
+}
+
+macro_rules! pi {
+	(@i; $($t:tt)*) => {{
+		let mut o = PrintItems::new();
+		pi!(@s; o: $($t)*);
+		o
+	}};
+	(@s; $o:ident: str($e:expr) $($t:tt)*) => {{
+		$o.push_str($e);
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: nl $($t:tt)*) => {{
+		$o.push_signal(Signal::NewLine);
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: >i $($t:tt)*) => {{
+		$o.push_signal(Signal::StartIndent);
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: <i $($t:tt)*) => {{
+		$o.push_signal(Signal::FinishIndent);
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: {$expr:expr} $($t:tt)*) => {{
+		$o.extend($expr.print());
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: if ($e:expr)($($then:tt)*) $($t:tt)*) => {{
+		if $e {
+			pi!(@s; $o: $($then)*);
+		}
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $o:ident: ifelse ($e:expr)($($then:tt)*)($($else:tt)*) $($t:tt)*) => {{
+		if $e {
+			pi!(@s; $o: $($then)*);
+		} else {
+			pi!(@s; $o: $($else)*);
+		}
+		pi!(@s; $o: $($t)*);
+	}};
+	(@s; $i:ident:) => {}
+}
+macro_rules! p {
+	(new: $($t:tt)*) => {
+		pi!(@i; $($t)*)
+	};
+	($o:ident: $($t:tt)*) => {
+		pi!(@s; $o: $($t)*)
+	};
+}
+
+impl Printable for FieldName {
+	fn print(&self) -> PrintItems {
+		match self {
+			FieldName::Fixed(f) => {
+				p!(new: str(&f))
+			}
+			FieldName::Dyn(_) => todo!(),
+		}
+	}
+}
+
+impl Printable for Visibility {
+	fn print(&self) -> PrintItems {
+		match self {
+			Visibility::Normal => p!(new: str(":")),
+			Visibility::Hidden => p!(new: str("::")),
+			Visibility::Unhide => p!(new: str(":::")),
+		}
+	}
+}
+
+impl Printable for BinaryOpType {
+	fn print(&self) -> PrintItems {
+		let o = self.to_string();
+		p!(new: str(&o))
+	}
+}
+
+impl<T: Printable> Printable for Option<T> {
+	fn print(&self) -> PrintItems {
+		if let Some(v) = self {
+			v.print()
+		} else {
+			PrintItems::new()
+		}
+	}
+}
+
+impl Printable for Param {
+	fn print(&self) -> PrintItems {
+		p!(new:
+			str(&self.0)
+			if(self.1.is_some())(str(" = ") {self.1})
+		)
+	}
+}
+
+impl Printable for ParamsDesc {
+	fn print(&self) -> PrintItems {
+		let mut out = PrintItems::new();
+		for (i, item) in self.0.iter().enumerate() {
+			if i != 0 {
+				p!(out: str(", "));
+			}
+			out.extend(item.print());
+		}
+		out
+	}
+}
+
+impl Printable for ArgsDesc {
+	fn print(&self) -> PrintItems {
+		let mut out = PrintItems::new();
+		let mut first = Some(());
+		for u in self.unnamed.iter() {
+			if first.take().is_none() {
+				p!(out: str(", "));
+			}
+			p!(out: {u})
+		}
+		for (n, u) in self.named.iter() {
+			if first.take().is_none() {
+				p!(out: str(", "));
+			}
+			p!(out: str(&n) str(" = ") {u})
+		}
+
+		out
+	}
+}
+
+impl Printable for BindSpec {
+	fn print(&self) -> PrintItems {
+		p!(new: str(&self.name) if(self.params.is_some())(str("(") {self.params} str(")")) str(" = ") {self.value})
+	}
+}
+
+struct StrExpr<'s>(&'s str);
+
+impl<'s> Printable for StrExpr<'s> {
+	fn print(&self) -> PrintItems {
+		todo!()
+	}
+}
+
+impl Printable for ObjBody {
+	fn print(&self) -> PrintItems {
+		let mut pi = PrintItems::new();
+		p!(pi: str("{"));
+		match self {
+			ObjBody::MemberList(m) => {
+				if !m.is_empty() {
+					p!(pi: nl > i);
+					for m in m {
+						match m {
+							Member::Field(f) => {
+								p!(pi:
+									{f.name} {f.params}
+									if(f.plus)(str("+"))
+									{f.visibility} str(" ")
+									{f.value}
+									str(",") nl
+								);
+							}
+							Member::BindStmt(s) => {
+								p!(pi: str("local ") {s} str(",") nl)
+							}
+							Member::AssertStmt(a) => p!(pi: str("assert ") {a.0} if(a.1.is_some())(
+								str(" : ") {a.1}
+							) str(",") nl),
+						}
+					}
+					p!(pi: <i);
+				} else {
+					p!(pi: str(" "))
+				}
+			}
+			ObjBody::ObjComp(_) => todo!(),
+		}
+		p!(pi: str("}"));
+		pi
+	}
+}
+
+impl Printable for Expr {
+	fn print(&self) -> PrintItems {
+		let mut pi = PrintItems::new();
+		match self {
+			Expr::Literal(l) => match l {
+				jrsonnet_parser::LiteralType::This => p!(pi: str("self")),
+				jrsonnet_parser::LiteralType::Super => p!(pi: str("super")),
+				jrsonnet_parser::LiteralType::Dollar => p!(pi: str("$")),
+				jrsonnet_parser::LiteralType::Null => p!(pi: str("null")),
+				jrsonnet_parser::LiteralType::True => p!(pi: str("true")),
+				jrsonnet_parser::LiteralType::False => p!(pi: str("false")),
+			},
+			Expr::Str(s) => {
+				p!(pi: str("\"") str(s) str("\""))
+			}
+			Expr::Num(n) => {
+				let n = n.to_string();
+				p!(pi: str(&n));
+			}
+			Expr::Var(v) => p!(pi: str(&v)),
+			Expr::Arr(a) => {
+				p!(pi: str("["));
+				for (i, v) in a.iter().enumerate() {
+					if i != 0 {
+						p!(pi: str(", "));
+					}
+					p!(pi: {v})
+				}
+				p!(pi: str("]"));
+			}
+			Expr::ArrComp(_, _) => todo!(),
+			Expr::Obj(o) => {
+				p!(pi: {o});
+			}
+			Expr::ObjExtend(a, b) => p!(pi: {a} str(" ") {b}),
+			Expr::Parened(v) => {
+				if let Expr::Parened(_) = &v.0 as &Expr {
+					p!(pi: {v})
+				} else {
+					p!(pi: str("(") {v} str(")"))
+				}
+			}
+			Expr::UnaryOp(_, _) => todo!(),
+			Expr::BinaryOp(a, o, b) => {
+				p!(pi:
+					{a} str(" ") if(!matches!(&b.0 as &Expr, Expr::Obj(_)))({o} str(" ")) {b}
+				)
+			}
+			Expr::AssertExpr(_, _) => todo!(),
+			Expr::LocalExpr(s, v) => {
+				p!(pi:
+					str("local") nl >i
+				);
+				for spec in s.iter() {
+					p!(pi: {spec} str(";") nl)
+				}
+				p!(pi:
+					<i
+					{v}
+				);
+			}
+			Expr::Import(i) => {
+				let v = i.to_str().unwrap();
+				p!(pi: str("import \"") str(&v) str("\""));
+			}
+			Expr::ImportStr(_) => todo!(),
+			Expr::ErrorStmt(_) => todo!(),
+			Expr::Apply(f, a, t) => p!(pi:
+				{f} str("(") {a} str(")") if(*t)(str("tailstrict"))
+			),
+			Expr::Index(a, b) => p!(pi: {a} str("[") {b} str("]")),
+			Expr::Function(_, _) => todo!(),
+			Expr::Intrinsic(_) => todo!(),
+			Expr::IfElse {
+				cond,
+				cond_then,
+				cond_else,
+			} => p!(pi:
+				str("if ") {cond.0} str(" then") ifelse(cond_else.is_some())(
+					nl >i
+						{cond_then} nl
+					<i str("else") nl >i
+						{cond_else}
+					<i
+				)(str(" ") {cond_then})
+			),
+			Expr::Slice(v, d) => {
+				p!(pi:
+					{v}
+					str("[") {d.start} str(":") {d.end}
+					if(d.step.is_some())(
+						str(":")
+						{d.step}
+					)
+					str("]")
+				)
+			}
+		}
+		pi
+	}
+}
+
+impl Printable for LocExpr {
+	fn print(&self) -> PrintItems {
+		self.0.print()
+	}
+}
+
+fn main() {
+	let parsed = jrsonnet_parser::parse(
+		r#"
+	
+	
+		# Edit me!
+		local b = import "b.libsonnet";  # comment
+		local a = import "a.libsonnet";
+		
+			 local f(x,y)=x+y;
+		
+		
+		local Template = {z: "foo"};
+		
+		Template + {
+						local
+
+					h = 3,
+					assert self.a == 1
+		  
+					: "error",
+		"f": ((((((3)))))) ,
+		"g g":
+		f(4,2),
+		arr: [[
+		  1, 2,
+		  ],
+		  3,
+		  {
+			  b: {
+				  c: {
+					  k: [16]
+				  }
+			  }
+		  }
+		  ],
+		  m: a[1::],
+		  m: b[::],
+		  k: if a         == b    then 
+
+
+		  2
+
+		  else Template {}
+		}
+		
+	
+"#,
+		&ParserSettings {
+			file_name: PathBuf::from("example").into(),
+		},
+	)
+	.unwrap();
+
+	let o = dprint_core::formatting::format(
+		|| {
+			let print_items = parsed.print();
+			print_items
+		},
+		PrintOptions {
+			indent_width: 2,
+			max_width: 100,
+			use_tabs: false,
+			new_line_text: "\n",
+		},
+	);
+	println!("{}", o);
+}
modifiedcrates/jrsonnet-evaluator/src/builtin/mod.rsdiffbeforeafterboth
before · crates/jrsonnet-evaluator/src/builtin/mod.rs
1use crate::typed::{Any, Either, Null, PositiveF64, VecVal, M1};2use crate::{self as jrsonnet_evaluator, ObjValue};3use crate::{4	builtin::manifest::{manifest_yaml_ex, ManifestYamlOptions},5	equals,6	error::{Error::*, Result},7	operator::evaluate_mod_op,8	parse_args, primitive_equals, push_frame, throw, with_state, ArrValue, Context, FuncVal,9	IndexableVal, Val,10};11use format::{format_arr, format_obj};12use gcmodule::Cc;13use jrsonnet_interner::IStr;14use jrsonnet_parser::{ArgsDesc, ExprLocation};15use jrsonnet_types::ty;16use serde::Deserialize;17use serde_yaml::DeserializingQuirks;18use std::{19	collections::HashMap,20	convert::{TryFrom, TryInto},21	path::PathBuf,22	rc::Rc,23};2425pub mod stdlib;26pub use stdlib::*;2728use self::manifest::{escape_string_json, manifest_json_ex, ManifestJsonOptions, ManifestType};2930pub mod format;31pub mod manifest;32pub mod sort;3334pub fn std_format(str: IStr, vals: Val) -> Result<String> {35	push_frame(36		&ExprLocation(Rc::from(PathBuf::from("std.jsonnet")), 0, 0),37		|| format!("std.format of {}", str),38		|| {39			Ok(match vals {40				Val::Arr(vals) => format_arr(&str, &vals.evaluated()?)?,41				Val::Obj(obj) => format_obj(&str, &obj)?,42				o => format_arr(&str, &[o])?,43			})44		},45	)46}4748pub fn std_slice(49	indexable: IndexableVal,50	index: Option<usize>,51	end: Option<usize>,52	step: Option<usize>,53) -> Result<Val> {54	let index = index.unwrap_or(0);55	let end = end.unwrap_or_else(|| match &indexable {56		IndexableVal::Str(_) => usize::MAX,57		IndexableVal::Arr(v) => v.len(),58	});59	let step = step.unwrap_or(1);60	match &indexable {61		IndexableVal::Str(s) => Ok(Val::Str(62			(s.chars()63				.skip(index)64				.take(end - index)65				.step_by(step)66				.collect::<String>())67			.into(),68		)),69		IndexableVal::Arr(arr) => Ok(Val::Arr(70			(arr.iter()71				.skip(index)72				.take(end - index)73				.step_by(step)74				.collect::<Result<Vec<Val>>>()?)75			.into(),76		)),77	}78}7980type Builtin = fn(context: Context, loc: &ExprLocation, args: &ArgsDesc) -> Result<Val>;8182type BuiltinsType = HashMap<Box<str>, Builtin>;8384thread_local! {85	static BUILTINS: BuiltinsType = {86		[87			("length".into(), builtin_length as Builtin),88			("type".into(), builtin_type),89			("makeArray".into(), builtin_make_array),90			("codepoint".into(), builtin_codepoint),91			("objectFieldsEx".into(), builtin_object_fields_ex),92			("objectHasEx".into(), builtin_object_has_ex),93			("slice".into(), builtin_slice),94			("substr".into(), builtin_substr),95			("primitiveEquals".into(), builtin_primitive_equals),96			("equals".into(), builtin_equals),97			("modulo".into(), builtin_modulo),98			("mod".into(), builtin_mod),99			("floor".into(), builtin_floor),100			("ceil".into(), builtin_ceil),101			("log".into(), builtin_log),102			("pow".into(), builtin_pow),103			("sqrt".into(), builtin_sqrt),104			("sin".into(), builtin_sin),105			("cos".into(), builtin_cos),106			("tan".into(), builtin_tan),107			("asin".into(), builtin_asin),108			("acos".into(), builtin_acos),109			("atan".into(), builtin_atan),110			("exp".into(), builtin_exp),111			("mantissa".into(), builtin_mantissa),112			("exponent".into(), builtin_exponent),113			("extVar".into(), builtin_ext_var),114			("native".into(), builtin_native),115			("filter".into(), builtin_filter),116			("map".into(), builtin_map),117			("flatMap".into(), builtin_flatmap),118			("foldl".into(), builtin_foldl),119			("foldr".into(), builtin_foldr),120			("sortImpl".into(), builtin_sort_impl),121			("format".into(), builtin_format),122			("range".into(), builtin_range),123			("char".into(), builtin_char),124			("encodeUTF8".into(), builtin_encode_utf8),125			("decodeUTF8".into(), builtin_decode_utf8),126			("md5".into(), builtin_md5),127			("base64".into(), builtin_base64),128			("base64DecodeBytes".into(), builtin_base64_decode_bytes),129			("base64Decode".into(), builtin_base64_decode),130			("trace".into(), builtin_trace),131			("join".into(), builtin_join),132			("escapeStringJson".into(), builtin_escape_string_json),133			("manifestJsonEx".into(), builtin_manifest_json_ex),134			("manifestYamlDocImpl".into(), builtin_manifest_yaml_doc),135			("reverse".into(), builtin_reverse),136			("id".into(), builtin_id),137			("strReplace".into(), builtin_str_replace),138			("splitLimit".into(), builtin_splitlimit),139			("parseJson".into(), builtin_parse_json),140			("parseYaml".into(), builtin_parse_yaml),141			("asciiUpper".into(), builtin_ascii_upper),142			("asciiLower".into(), builtin_ascii_lower),143			("member".into(), builtin_member),144			("count".into(), builtin_count),145		].iter().cloned().collect()146	};147}148149#[jrsonnet_macros::builtin]150fn builtin_length(x: Either<IStr, Either<VecVal, ObjValue>>) -> Result<usize> {151	Ok(match x {152		Either::Left(x) => x.len(),153		Either::Right(Either::Left(x)) => x.0.len(),154		Either::Right(Either::Right(x)) => x155			.fields_visibility()156			.into_iter()157			.filter(|(_k, v)| *v)158			.count(),159	})160}161162#[jrsonnet_macros::builtin]163fn builtin_type(x: Any) -> Result<IStr> {164	Ok(x.0.value_type().name().into())165}166167#[jrsonnet_macros::builtin]168fn builtin_make_array(sz: usize, func: Cc<FuncVal>) -> Result<VecVal> {169	let mut out = Vec::with_capacity(sz);170	for i in 0..sz {171		out.push(func.evaluate_values(&[Val::Num(i as f64)])?)172	}173	Ok(VecVal(out))174}175176#[jrsonnet_macros::builtin]177const fn builtin_codepoint(str: char) -> Result<u32> {178	Ok(str as u32)179}180181#[jrsonnet_macros::builtin]182fn builtin_object_fields_ex(obj: ObjValue, inc_hidden: bool) -> Result<VecVal> {183	let out = obj.fields_ex(inc_hidden);184	Ok(VecVal(out.into_iter().map(Val::Str).collect::<Vec<_>>()))185}186187#[jrsonnet_macros::builtin]188fn builtin_object_has_ex(obj: ObjValue, f: IStr, inc_hidden: bool) -> Result<bool> {189	Ok(obj.has_field_ex(f, inc_hidden))190}191192#[jrsonnet_macros::builtin]193fn builtin_parse_json(s: IStr) -> Result<Any> {194	let value: serde_json::Value = serde_json::from_str(&s)195		.map_err(|e| RuntimeError(format!("failed to parse json: {}", e).into()))?;196	Ok(Any(Val::try_from(&value)?))197}198199#[jrsonnet_macros::builtin]200fn builtin_parse_yaml(s: IStr) -> Result<Any> {201	let value = serde_yaml::Deserializer::from_str_with_quirks(202		&s,203		DeserializingQuirks { old_octals: true },204	);205	let mut out = vec![];206	for item in value {207		let value = serde_json::Value::deserialize(item)208			.map_err(|e| RuntimeError(format!("failed to parse yaml: {}", e).into()))?;209		let val = Val::try_from(&value)?;210		out.push(val);211	}212	Ok(Any(if out.is_empty() {213		Val::Null214	} else if out.len() == 1 {215		out.into_iter().next().unwrap()216	} else {217		Val::Arr(out.into())218	}))219}220221#[jrsonnet_macros::builtin]222fn builtin_slice(223	indexable: IndexableVal,224	index: Either<usize, Null>,225	end: Either<usize, Null>,226	step: Either<usize, Null>,227) -> Result<Any> {228	std_slice(indexable, index.left(), end.left(), step.left()).map(Any)229}230231#[jrsonnet_macros::builtin]232fn builtin_substr(str: IStr, from: usize, len: usize) -> Result<String> {233	Ok(str.chars().skip(from as usize).take(len as usize).collect())234}235236#[jrsonnet_macros::builtin]237fn builtin_primitive_equals(a: Any, b: Any) -> Result<bool> {238	primitive_equals(&a.0, &b.0)239}240241#[jrsonnet_macros::builtin]242fn builtin_equals(a: Any, b: Any) -> Result<bool> {243	equals(&a.0, &b.0)244}245246#[jrsonnet_macros::builtin]247fn builtin_modulo(a: f64, b: f64) -> Result<f64> {248	Ok(a % b)249}250251#[jrsonnet_macros::builtin]252fn builtin_mod(a: Either<f64, IStr>, b: Any) -> Result<Any> {253	Ok(Any(evaluate_mod_op(254		&match a {255			Either::Left(v) => Val::Num(v),256			Either::Right(s) => Val::Str(s),257		},258		&b.0,259	)?))260}261262#[jrsonnet_macros::builtin]263fn builtin_floor(x: f64) -> Result<f64> {264	Ok(x.floor())265}266267#[jrsonnet_macros::builtin]268fn builtin_ceil(x: f64) -> Result<f64> {269	Ok(x.ceil())270}271272#[jrsonnet_macros::builtin]273fn builtin_log(n: f64) -> Result<f64> {274	Ok(n.ln())275}276277#[jrsonnet_macros::builtin]278fn builtin_pow(x: f64, n: f64) -> Result<f64> {279	Ok(x.powf(n))280}281282#[jrsonnet_macros::builtin]283fn builtin_sqrt(x: PositiveF64) -> Result<f64> {284	Ok(x.0.sqrt())285}286287#[jrsonnet_macros::builtin]288fn builtin_sin(x: f64) -> Result<f64> {289	Ok(x.sin())290}291292#[jrsonnet_macros::builtin]293fn builtin_cos(x: f64) -> Result<f64> {294	Ok(x.cos())295}296297#[jrsonnet_macros::builtin]298fn builtin_tan(x: f64) -> Result<f64> {299	Ok(x.tan())300}301302#[jrsonnet_macros::builtin]303fn builtin_asin(x: f64) -> Result<f64> {304	Ok(x.asin())305}306307#[jrsonnet_macros::builtin]308fn builtin_acos(x: f64) -> Result<f64> {309	Ok(x.acos())310}311312#[jrsonnet_macros::builtin]313fn builtin_atan(x: f64) -> Result<f64> {314	Ok(x.atan())315}316317#[jrsonnet_macros::builtin]318fn builtin_exp(x: f64) -> Result<f64> {319	Ok(x.exp())320}321322fn frexp(s: f64) -> (f64, i16) {323	if 0.0 == s {324		(s, 0)325	} else {326		let lg = s.abs().log2();327		let x = (lg - lg.floor() - 1.0).exp2();328		let exp = lg.floor() + 1.0;329		(s.signum() * x, exp as i16)330	}331}332333#[jrsonnet_macros::builtin]334fn builtin_mantissa(x: f64) -> Result<f64> {335	Ok(frexp(x).0)336}337338#[jrsonnet_macros::builtin]339fn builtin_exponent(x: f64) -> Result<i16> {340	Ok(frexp(x).1)341}342343#[jrsonnet_macros::builtin]344fn builtin_ext_var(x: IStr) -> Result<Any> {345	Ok(Any(with_state(|s| s.settings().ext_vars.get(&x).cloned())346		.ok_or(UndefinedExternalVariable(x))?))347}348349#[jrsonnet_macros::builtin]350fn builtin_native(name: IStr) -> Result<Cc<FuncVal>> {351	Ok(with_state(|s| s.settings().ext_natives.get(&name).cloned())352		.map(|v| Cc::new(FuncVal::NativeExt(name.clone(), v)))353		.ok_or(UndefinedExternalFunction(name))?)354}355356#[jrsonnet_macros::builtin]357fn builtin_filter(func: Cc<FuncVal>, arr: ArrValue) -> Result<ArrValue> {358	arr.filter(|val| bool::try_from(func.evaluate_values(&[val.clone()])?))359}360361#[jrsonnet_macros::builtin]362fn builtin_map(func: Cc<FuncVal>, arr: ArrValue) -> Result<ArrValue> {363	arr.map(|val| func.evaluate_values(&[val]))364}365366#[jrsonnet_macros::builtin]367fn builtin_flatmap(func: Cc<FuncVal>, arr: IndexableVal) -> Result<IndexableVal> {368	match arr {369		IndexableVal::Str(s) => {370			let mut out = String::new();371			for c in s.chars() {372				match func.evaluate_values(&[Val::Str(c.to_string().into())])? {373					Val::Str(o) => out.push_str(&o),374					_ => throw!(RuntimeError(375						"in std.join all items should be strings".into()376					)),377				};378			}379			Ok(IndexableVal::Str(out.into()))380		}381		IndexableVal::Arr(a) => {382			let mut out = Vec::new();383			for el in a.iter() {384				let el = el?;385				match func.evaluate_values(&[el])? {386					Val::Arr(o) => {387						for oe in o.iter() {388							out.push(oe?)389						}390					}391					_ => throw!(RuntimeError(392						"in std.join all items should be arrays".into()393					)),394				};395			}396			Ok(IndexableVal::Arr(out.into()))397		}398	}399}400401#[jrsonnet_macros::builtin]402fn builtin_foldl(func: Cc<FuncVal>, arr: ArrValue, init: Any) -> Result<Any> {403	let mut acc = init.0;404	for i in arr.iter() {405		acc = func.evaluate_values(&[acc, i?])?;406	}407	Ok(Any(acc))408}409410#[jrsonnet_macros::builtin]411fn builtin_foldr(func: Cc<FuncVal>, arr: ArrValue, init: Any) -> Result<Any> {412	let mut acc = init.0;413	for i in arr.iter().rev() {414		acc = func.evaluate_values(&[i?, acc])?;415	}416	Ok(Any(acc))417}418419#[jrsonnet_macros::builtin]420#[allow(non_snake_case)]421fn builtin_sort_impl(arr: ArrValue, keyF: Cc<FuncVal>) -> Result<ArrValue> {422	if arr.len() <= 1 {423		return Ok(arr);424	}425	Ok(ArrValue::Eager(sort::sort(arr.evaluated()?, &keyF)?))426}427428#[jrsonnet_macros::builtin]429fn builtin_format(str: IStr, vals: Any) -> Result<String> {430	std_format(str, vals.0)431}432433#[jrsonnet_macros::builtin]434fn builtin_range(from: i32, to: i32) -> Result<VecVal> {435	if to < from {436		return Ok(VecVal(Vec::new()));437	}438	let mut out = Vec::with_capacity((1 + to as usize - from as usize).max(0));439	for i in from as usize..=to as usize {440		out.push(Val::Num(i as f64));441	}442	Ok(VecVal(out))443}444445#[jrsonnet_macros::builtin]446fn builtin_char(n: u32) -> Result<char> {447	Ok(std::char::from_u32(n as u32).ok_or_else(|| InvalidUnicodeCodepointGot(n as u32))?)448}449450#[jrsonnet_macros::builtin]451fn builtin_encode_utf8(str: IStr) -> Result<VecVal> {452	Ok(VecVal(453		str.bytes()454			.map(|b| Val::Num(b as f64))455			.collect::<Vec<Val>>(),456	))457}458459#[jrsonnet_macros::builtin]460fn builtin_decode_utf8(arr: Vec<u8>) -> Result<String> {461	Ok(String::from_utf8(arr).map_err(|_| RuntimeError("bad utf8".into()))?)462}463464#[jrsonnet_macros::builtin]465fn builtin_md5(str: IStr) -> Result<String> {466	Ok(format!("{:x}", md5::compute(&str.as_bytes())))467}468469fn builtin_trace(context: Context, loc: &ExprLocation, args: &ArgsDesc) -> Result<Val> {470	parse_args!(context, "trace", args, 2, [471		0, str: ty!(string) => Val::Str;472		1, rest: ty!(any);473	], {474		eprint!("TRACE:");475			with_state(|s|{476				let locs = s.map_source_locations(&loc.0, &[loc.1]);477				eprint!(" {}:{}", loc.0.file_name().unwrap().to_str().unwrap(), locs[0].line);478			});479		eprintln!(" {}", str);480		Ok(rest)481	})482}483484#[jrsonnet_macros::builtin]485fn builtin_base64(input: Either<Vec<u8>, IStr>) -> Result<String> {486	Ok(match input {487		Either::Left(a) => base64::encode(a),488		Either::Right(l) => base64::encode(l.bytes().collect::<Vec<_>>()),489	})490}491492#[jrsonnet_macros::builtin]493fn builtin_base64_decode_bytes(input: IStr) -> Result<Vec<u8>> {494	Ok(base64::decode(&input.as_bytes()).map_err(|_| RuntimeError("bad base64".into()))?)495}496497#[jrsonnet_macros::builtin]498fn builtin_base64_decode(input: IStr) -> Result<String> {499	let bytes = base64::decode(&input.as_bytes()).map_err(|_| RuntimeError("bad base64".into()))?;500	Ok(String::from_utf8(bytes).map_err(|_| RuntimeError("bad utf8".into()))?)501}502503#[jrsonnet_macros::builtin]504fn builtin_join(sep: IndexableVal, arr: ArrValue) -> Result<IndexableVal> {505	Ok(match sep {506		IndexableVal::Arr(joiner_items) => {507			let mut out = Vec::new();508509			let mut first = true;510			for item in arr.iter() {511				let item = item?.clone();512				if let Val::Arr(items) = item {513					if !first {514						out.reserve(joiner_items.len());515						// TODO: extend516						for item in joiner_items.iter() {517							out.push(item?);518						}519					}520					first = false;521					out.reserve(items.len());522					// TODO: extend523					for item in items.iter() {524						out.push(item?);525					}526				} else {527					throw!(RuntimeError(528						"in std.join all items should be arrays".into()529					));530				}531			}532533			IndexableVal::Arr(out.into())534		}535		IndexableVal::Str(sep) => {536			let mut out = String::new();537538			let mut first = true;539			for item in arr.iter() {540				let item = item?.clone();541				if let Val::Str(item) = item {542					if !first {543						out += &sep;544					}545					first = false;546					out += &item;547				} else {548					throw!(RuntimeError(549						"in std.join all items should be strings".into()550					));551				}552			}553554			IndexableVal::Str(out.into())555		}556	})557}558559#[jrsonnet_macros::builtin]560fn builtin_escape_string_json(str_: IStr) -> Result<String> {561	Ok(escape_string_json(&str_))562}563564#[jrsonnet_macros::builtin]565fn builtin_manifest_json_ex(value: Any, indent: IStr) -> Result<String> {566	manifest_json_ex(567		&value.0,568		&ManifestJsonOptions {569			padding: &indent,570			mtype: ManifestType::Std,571		},572	)573}574575#[jrsonnet_macros::builtin]576fn builtin_manifest_yaml_doc(577	value: Any,578	indent_array_in_object: bool,579	quote_keys: bool,580) -> Result<String> {581	manifest_yaml_ex(582		&value.0,583		&ManifestYamlOptions {584			padding: "  ",585			arr_element_padding: if indent_array_in_object { "  " } else { "" },586			quote_keys,587		},588	)589}590591#[jrsonnet_macros::builtin]592fn builtin_reverse(value: ArrValue) -> Result<ArrValue> {593	Ok(value.reversed())594}595596#[jrsonnet_macros::builtin]597const fn builtin_id(v: Any) -> Result<Any> {598	Ok(v)599}600601#[jrsonnet_macros::builtin]602fn builtin_str_replace(str: String, from: IStr, to: IStr) -> Result<String> {603	Ok(str.replace(&from as &str, &to as &str))604}605606#[jrsonnet_macros::builtin]607fn builtin_splitlimit(str: IStr, c: char, maxsplits: Either<usize, M1>) -> Result<VecVal> {608	Ok(VecVal(match maxsplits {609		Either::Left(n) => str.splitn(n + 1, c).map(|s| Val::Str(s.into())).collect(),610		Either::Right(_) => str.split(c).map(|s| Val::Str(s.into())).collect(),611	}))612}613614#[jrsonnet_macros::builtin]615fn builtin_ascii_upper(str: IStr) -> Result<String> {616	Ok(str.to_ascii_uppercase())617}618619#[jrsonnet_macros::builtin]620fn builtin_ascii_lower(str: IStr) -> Result<String> {621	Ok(str.to_ascii_lowercase())622}623624#[jrsonnet_macros::builtin]625fn builtin_member(arr: IndexableVal, x: Any) -> Result<bool> {626	match arr {627		IndexableVal::Str(s) => {628			let x: IStr = IStr::try_from(x.0)?;629			Ok(!x.is_empty() && s.contains(&*x))630		}631		IndexableVal::Arr(a) => {632			for item in a.iter() {633				let item = item?;634				if equals(&item, &x.0)? {635					return Ok(true);636				}637			}638			Ok(false)639		}640	}641}642643#[jrsonnet_macros::builtin]644fn builtin_count(arr: Vec<Any>, v: Any) -> Result<usize> {645	let mut count = 0;646	for item in arr.iter() {647		if equals(&item.0, &v.0)? {648			count += 1;649		}650	}651	Ok(count)652}653654pub fn call_builtin(655	context: Context,656	loc: &ExprLocation,657	name: &str,658	args: &ArgsDesc,659) -> Result<Val> {660	BUILTINS661		.with(|builtins| builtins.get(name).copied())662		.ok_or_else(|| IntrinsicNotFound(name.into()))?(context, loc, args)663}
after · crates/jrsonnet-evaluator/src/builtin/mod.rs
1use crate::typed::{Any, Either, Null, PositiveF64, VecVal, M1};2use crate::{self as jrsonnet_evaluator, ObjValue};3use crate::{4	builtin::manifest::{manifest_yaml_ex, ManifestYamlOptions},5	equals,6	error::{Error::*, Result},7	operator::evaluate_mod_op,8	primitive_equals, push_frame, throw, with_state, ArrValue, Context, FuncVal,9	IndexableVal, Val,10};11use format::{format_arr, format_obj};12use gcmodule::Cc;13use jrsonnet_interner::IStr;14use jrsonnet_parser::{ArgsDesc, ExprLocation};15use serde::Deserialize;16use serde_yaml::DeserializingQuirks;17use std::{18	collections::HashMap,19	convert::{TryFrom, TryInto},20	path::PathBuf,21	rc::Rc,22};2324pub mod stdlib;25pub use stdlib::*;2627use self::manifest::{escape_string_json, manifest_json_ex, ManifestJsonOptions, ManifestType};2829pub mod format;30pub mod manifest;31pub mod sort;3233pub fn std_format(str: IStr, vals: Val) -> Result<String> {34	push_frame(35		&ExprLocation(Rc::from(PathBuf::from("std.jsonnet")), 0, 0),36		|| format!("std.format of {}", str),37		|| {38			Ok(match vals {39				Val::Arr(vals) => format_arr(&str, &vals.evaluated()?)?,40				Val::Obj(obj) => format_obj(&str, &obj)?,41				o => format_arr(&str, &[o])?,42			})43		},44	)45}4647pub fn std_slice(48	indexable: IndexableVal,49	index: Option<usize>,50	end: Option<usize>,51	step: Option<usize>,52) -> Result<Val> {53	let index = index.unwrap_or(0);54	let end = end.unwrap_or_else(|| match &indexable {55		IndexableVal::Str(_) => usize::MAX,56		IndexableVal::Arr(v) => v.len(),57	});58	let step = step.unwrap_or(1);59	match &indexable {60		IndexableVal::Str(s) => Ok(Val::Str(61			(s.chars()62				.skip(index)63				.take(end - index)64				.step_by(step)65				.collect::<String>())66			.into(),67		)),68		IndexableVal::Arr(arr) => Ok(Val::Arr(69			(arr.iter()70				.skip(index)71				.take(end - index)72				.step_by(step)73				.collect::<Result<Vec<Val>>>()?)74			.into(),75		)),76	}77}7879type Builtin = fn(context: Context, loc: &ExprLocation, args: &ArgsDesc) -> Result<Val>;8081type BuiltinsType = HashMap<Box<str>, Builtin>;8283thread_local! {84	static BUILTINS: BuiltinsType = {85		[86			("length".into(), builtin_length as Builtin),87			("type".into(), builtin_type),88			("makeArray".into(), builtin_make_array),89			("codepoint".into(), builtin_codepoint),90			("objectFieldsEx".into(), builtin_object_fields_ex),91			("objectHasEx".into(), builtin_object_has_ex),92			("slice".into(), builtin_slice),93			("substr".into(), builtin_substr),94			("primitiveEquals".into(), builtin_primitive_equals),95			("equals".into(), builtin_equals),96			("modulo".into(), builtin_modulo),97			("mod".into(), builtin_mod),98			("floor".into(), builtin_floor),99			("ceil".into(), builtin_ceil),100			("log".into(), builtin_log),101			("pow".into(), builtin_pow),102			("sqrt".into(), builtin_sqrt),103			("sin".into(), builtin_sin),104			("cos".into(), builtin_cos),105			("tan".into(), builtin_tan),106			("asin".into(), builtin_asin),107			("acos".into(), builtin_acos),108			("atan".into(), builtin_atan),109			("exp".into(), builtin_exp),110			("mantissa".into(), builtin_mantissa),111			("exponent".into(), builtin_exponent),112			("extVar".into(), builtin_ext_var),113			("native".into(), builtin_native),114			("filter".into(), builtin_filter),115			("map".into(), builtin_map),116			("flatMap".into(), builtin_flatmap),117			("foldl".into(), builtin_foldl),118			("foldr".into(), builtin_foldr),119			("sortImpl".into(), builtin_sort_impl),120			("format".into(), builtin_format),121			("range".into(), builtin_range),122			("char".into(), builtin_char),123			("encodeUTF8".into(), builtin_encode_utf8),124			("decodeUTF8".into(), builtin_decode_utf8),125			("md5".into(), builtin_md5),126			("base64".into(), builtin_base64),127			("base64DecodeBytes".into(), builtin_base64_decode_bytes),128			("base64Decode".into(), builtin_base64_decode),129			("trace".into(), builtin_trace),130			("join".into(), builtin_join),131			("escapeStringJson".into(), builtin_escape_string_json),132			("manifestJsonEx".into(), builtin_manifest_json_ex),133			("manifestYamlDocImpl".into(), builtin_manifest_yaml_doc),134			("reverse".into(), builtin_reverse),135			("id".into(), builtin_id),136			("strReplace".into(), builtin_str_replace),137			("splitLimit".into(), builtin_splitlimit),138			("parseJson".into(), builtin_parse_json),139			("parseYaml".into(), builtin_parse_yaml),140			("asciiUpper".into(), builtin_ascii_upper),141			("asciiLower".into(), builtin_ascii_lower),142			("member".into(), builtin_member),143			("count".into(), builtin_count),144		].iter().cloned().collect()145	};146}147148#[jrsonnet_macros::builtin]149fn builtin_length(x: Either<IStr, Either<VecVal, ObjValue>>) -> Result<usize> {150	Ok(match x {151		Either::Left(x) => x.len(),152		Either::Right(Either::Left(x)) => x.0.len(),153		Either::Right(Either::Right(x)) => x154			.fields_visibility()155			.into_iter()156			.filter(|(_k, v)| *v)157			.count(),158	})159}160161#[jrsonnet_macros::builtin]162fn builtin_type(x: Any) -> Result<IStr> {163	Ok(x.0.value_type().name().into())164}165166#[jrsonnet_macros::builtin]167fn builtin_make_array(sz: usize, func: Cc<FuncVal>) -> Result<VecVal> {168	let mut out = Vec::with_capacity(sz);169	for i in 0..sz {170		out.push(func.evaluate_values(&[Val::Num(i as f64)])?)171	}172	Ok(VecVal(out))173}174175#[jrsonnet_macros::builtin]176const fn builtin_codepoint(str: char) -> Result<u32> {177	Ok(str as u32)178}179180#[jrsonnet_macros::builtin]181fn builtin_object_fields_ex(obj: ObjValue, inc_hidden: bool) -> Result<VecVal> {182	let out = obj.fields_ex(inc_hidden);183	Ok(VecVal(out.into_iter().map(Val::Str).collect::<Vec<_>>()))184}185186#[jrsonnet_macros::builtin]187fn builtin_object_has_ex(obj: ObjValue, f: IStr, inc_hidden: bool) -> Result<bool> {188	Ok(obj.has_field_ex(f, inc_hidden))189}190191#[jrsonnet_macros::builtin]192fn builtin_parse_json(s: IStr) -> Result<Any> {193	let value: serde_json::Value = serde_json::from_str(&s)194		.map_err(|e| RuntimeError(format!("failed to parse json: {}", e).into()))?;195	Ok(Any(Val::try_from(&value)?))196}197198#[jrsonnet_macros::builtin]199fn builtin_parse_yaml(s: IStr) -> Result<Any> {200	let value = serde_yaml::Deserializer::from_str_with_quirks(201		&s,202		DeserializingQuirks { old_octals: true },203	);204	let mut out = vec![];205	for item in value {206		let value = serde_json::Value::deserialize(item)207			.map_err(|e| RuntimeError(format!("failed to parse yaml: {}", e).into()))?;208		let val = Val::try_from(&value)?;209		out.push(val);210	}211	Ok(Any(if out.is_empty() {212		Val::Null213	} else if out.len() == 1 {214		out.into_iter().next().unwrap()215	} else {216		Val::Arr(out.into())217	}))218}219220#[jrsonnet_macros::builtin]221fn builtin_slice(222	indexable: IndexableVal,223	index: Either<usize, Null>,224	end: Either<usize, Null>,225	step: Either<usize, Null>,226) -> Result<Any> {227	std_slice(indexable, index.left(), end.left(), step.left()).map(Any)228}229230#[jrsonnet_macros::builtin]231fn builtin_substr(str: IStr, from: usize, len: usize) -> Result<String> {232	Ok(str.chars().skip(from as usize).take(len as usize).collect())233}234235#[jrsonnet_macros::builtin]236fn builtin_primitive_equals(a: Any, b: Any) -> Result<bool> {237	primitive_equals(&a.0, &b.0)238}239240#[jrsonnet_macros::builtin]241fn builtin_equals(a: Any, b: Any) -> Result<bool> {242	equals(&a.0, &b.0)243}244245#[jrsonnet_macros::builtin]246fn builtin_modulo(a: f64, b: f64) -> Result<f64> {247	Ok(a % b)248}249250#[jrsonnet_macros::builtin]251fn builtin_mod(a: Either<f64, IStr>, b: Any) -> Result<Any> {252	Ok(Any(evaluate_mod_op(253		&match a {254			Either::Left(v) => Val::Num(v),255			Either::Right(s) => Val::Str(s),256		},257		&b.0,258	)?))259}260261#[jrsonnet_macros::builtin]262fn builtin_floor(x: f64) -> Result<f64> {263	Ok(x.floor())264}265266#[jrsonnet_macros::builtin]267fn builtin_ceil(x: f64) -> Result<f64> {268	Ok(x.ceil())269}270271#[jrsonnet_macros::builtin]272fn builtin_log(n: f64) -> Result<f64> {273	Ok(n.ln())274}275276#[jrsonnet_macros::builtin]277fn builtin_pow(x: f64, n: f64) -> Result<f64> {278	Ok(x.powf(n))279}280281#[jrsonnet_macros::builtin]282fn builtin_sqrt(x: PositiveF64) -> Result<f64> {283	Ok(x.0.sqrt())284}285286#[jrsonnet_macros::builtin]287fn builtin_sin(x: f64) -> Result<f64> {288	Ok(x.sin())289}290291#[jrsonnet_macros::builtin]292fn builtin_cos(x: f64) -> Result<f64> {293	Ok(x.cos())294}295296#[jrsonnet_macros::builtin]297fn builtin_tan(x: f64) -> Result<f64> {298	Ok(x.tan())299}300301#[jrsonnet_macros::builtin]302fn builtin_asin(x: f64) -> Result<f64> {303	Ok(x.asin())304}305306#[jrsonnet_macros::builtin]307fn builtin_acos(x: f64) -> Result<f64> {308	Ok(x.acos())309}310311#[jrsonnet_macros::builtin]312fn builtin_atan(x: f64) -> Result<f64> {313	Ok(x.atan())314}315316#[jrsonnet_macros::builtin]317fn builtin_exp(x: f64) -> Result<f64> {318	Ok(x.exp())319}320321fn frexp(s: f64) -> (f64, i16) {322	if 0.0 == s {323		(s, 0)324	} else {325		let lg = s.abs().log2();326		let x = (lg - lg.floor() - 1.0).exp2();327		let exp = lg.floor() + 1.0;328		(s.signum() * x, exp as i16)329	}330}331332#[jrsonnet_macros::builtin]333fn builtin_mantissa(x: f64) -> Result<f64> {334	Ok(frexp(x).0)335}336337#[jrsonnet_macros::builtin]338fn builtin_exponent(x: f64) -> Result<i16> {339	Ok(frexp(x).1)340}341342#[jrsonnet_macros::builtin]343fn builtin_ext_var(x: IStr) -> Result<Any> {344	Ok(Any(with_state(|s| s.settings().ext_vars.get(&x).cloned())345		.ok_or(UndefinedExternalVariable(x))?))346}347348#[jrsonnet_macros::builtin]349fn builtin_native(name: IStr) -> Result<Cc<FuncVal>> {350	Ok(with_state(|s| s.settings().ext_natives.get(&name).cloned())351		.map(|v| Cc::new(FuncVal::NativeExt(name.clone(), v)))352		.ok_or(UndefinedExternalFunction(name))?)353}354355#[jrsonnet_macros::builtin]356fn builtin_filter(func: Cc<FuncVal>, arr: ArrValue) -> Result<ArrValue> {357	arr.filter(|val| bool::try_from(func.evaluate_values(&[val.clone()])?))358}359360#[jrsonnet_macros::builtin]361fn builtin_map(func: Cc<FuncVal>, arr: ArrValue) -> Result<ArrValue> {362	arr.map(|val| func.evaluate_values(&[val]))363}364365#[jrsonnet_macros::builtin]366fn builtin_flatmap(func: Cc<FuncVal>, arr: IndexableVal) -> Result<IndexableVal> {367	match arr {368		IndexableVal::Str(s) => {369			let mut out = String::new();370			for c in s.chars() {371				match func.evaluate_values(&[Val::Str(c.to_string().into())])? {372					Val::Str(o) => out.push_str(&o),373					_ => throw!(RuntimeError(374						"in std.join all items should be strings".into()375					)),376				};377			}378			Ok(IndexableVal::Str(out.into()))379		}380		IndexableVal::Arr(a) => {381			let mut out = Vec::new();382			for el in a.iter() {383				let el = el?;384				match func.evaluate_values(&[el])? {385					Val::Arr(o) => {386						for oe in o.iter() {387							out.push(oe?)388						}389					}390					_ => throw!(RuntimeError(391						"in std.join all items should be arrays".into()392					)),393				};394			}395			Ok(IndexableVal::Arr(out.into()))396		}397	}398}399400#[jrsonnet_macros::builtin]401fn builtin_foldl(func: Cc<FuncVal>, arr: ArrValue, init: Any) -> Result<Any> {402	let mut acc = init.0;403	for i in arr.iter() {404		acc = func.evaluate_values(&[acc, i?])?;405	}406	Ok(Any(acc))407}408409#[jrsonnet_macros::builtin]410fn builtin_foldr(func: Cc<FuncVal>, arr: ArrValue, init: Any) -> Result<Any> {411	let mut acc = init.0;412	for i in arr.iter().rev() {413		acc = func.evaluate_values(&[i?, acc])?;414	}415	Ok(Any(acc))416}417418#[jrsonnet_macros::builtin]419#[allow(non_snake_case)]420fn builtin_sort_impl(arr: ArrValue, keyF: Cc<FuncVal>) -> Result<ArrValue> {421	if arr.len() <= 1 {422		return Ok(arr);423	}424	Ok(ArrValue::Eager(sort::sort(arr.evaluated()?, &keyF)?))425}426427#[jrsonnet_macros::builtin]428fn builtin_format(str: IStr, vals: Any) -> Result<String> {429	std_format(str, vals.0)430}431432#[jrsonnet_macros::builtin]433fn builtin_range(from: i32, to: i32) -> Result<VecVal> {434	if to < from {435		return Ok(VecVal(Vec::new()));436	}437	let mut out = Vec::with_capacity((1 + to as usize - from as usize).max(0));438	for i in from as usize..=to as usize {439		out.push(Val::Num(i as f64));440	}441	Ok(VecVal(out))442}443444#[jrsonnet_macros::builtin]445fn builtin_char(n: u32) -> Result<char> {446	Ok(std::char::from_u32(n as u32).ok_or_else(|| InvalidUnicodeCodepointGot(n as u32))?)447}448449#[jrsonnet_macros::builtin]450fn builtin_encode_utf8(str: IStr) -> Result<VecVal> {451	Ok(VecVal(452		str.bytes()453			.map(|b| Val::Num(b as f64))454			.collect::<Vec<Val>>(),455	))456}457458#[jrsonnet_macros::builtin]459fn builtin_decode_utf8(arr: Vec<u8>) -> Result<String> {460	Ok(String::from_utf8(arr).map_err(|_| RuntimeError("bad utf8".into()))?)461}462463#[jrsonnet_macros::builtin]464fn builtin_md5(str: IStr) -> Result<String> {465	Ok(format!("{:x}", md5::compute(&str.as_bytes())))466}467468#[jrsonnet_macros::builtin]469fn builtin_trace(#[location] loc: &ExprLocation, str: IStr, rest: Any) -> Result<Any> {470	eprint!("TRACE:");471	with_state(|s| {472		let locs = s.map_source_locations(&loc.0, &[loc.1]);473		eprint!(474			" {}:{}",475			loc.0.file_name().unwrap().to_str().unwrap(),476			locs[0].line477		);478	});479	eprintln!(" {}", str);480	Ok(rest) as Result<Any>481}482483#[jrsonnet_macros::builtin]484fn builtin_base64(input: Either<Vec<u8>, IStr>) -> Result<String> {485	Ok(match input {486		Either::Left(a) => base64::encode(a),487		Either::Right(l) => base64::encode(l.bytes().collect::<Vec<_>>()),488	})489}490491#[jrsonnet_macros::builtin]492fn builtin_base64_decode_bytes(input: IStr) -> Result<Vec<u8>> {493	Ok(base64::decode(&input.as_bytes()).map_err(|_| RuntimeError("bad base64".into()))?)494}495496#[jrsonnet_macros::builtin]497fn builtin_base64_decode(input: IStr) -> Result<String> {498	let bytes = base64::decode(&input.as_bytes()).map_err(|_| RuntimeError("bad base64".into()))?;499	Ok(String::from_utf8(bytes).map_err(|_| RuntimeError("bad utf8".into()))?)500}501502#[jrsonnet_macros::builtin]503fn builtin_join(sep: IndexableVal, arr: ArrValue) -> Result<IndexableVal> {504	Ok(match sep {505		IndexableVal::Arr(joiner_items) => {506			let mut out = Vec::new();507508			let mut first = true;509			for item in arr.iter() {510				let item = item?.clone();511				if let Val::Arr(items) = item {512					if !first {513						out.reserve(joiner_items.len());514						// TODO: extend515						for item in joiner_items.iter() {516							out.push(item?);517						}518					}519					first = false;520					out.reserve(items.len());521					// TODO: extend522					for item in items.iter() {523						out.push(item?);524					}525				} else {526					throw!(RuntimeError(527						"in std.join all items should be arrays".into()528					));529				}530			}531532			IndexableVal::Arr(out.into())533		}534		IndexableVal::Str(sep) => {535			let mut out = String::new();536537			let mut first = true;538			for item in arr.iter() {539				let item = item?.clone();540				if let Val::Str(item) = item {541					if !first {542						out += &sep;543					}544					first = false;545					out += &item;546				} else {547					throw!(RuntimeError(548						"in std.join all items should be strings".into()549					));550				}551			}552553			IndexableVal::Str(out.into())554		}555	})556}557558#[jrsonnet_macros::builtin]559fn builtin_escape_string_json(str_: IStr) -> Result<String> {560	Ok(escape_string_json(&str_))561}562563#[jrsonnet_macros::builtin]564fn builtin_manifest_json_ex(value: Any, indent: IStr) -> Result<String> {565	manifest_json_ex(566		&value.0,567		&ManifestJsonOptions {568			padding: &indent,569			mtype: ManifestType::Std,570		},571	)572}573574#[jrsonnet_macros::builtin]575fn builtin_manifest_yaml_doc(576	value: Any,577	indent_array_in_object: bool,578	quote_keys: bool,579) -> Result<String> {580	manifest_yaml_ex(581		&value.0,582		&ManifestYamlOptions {583			padding: "  ",584			arr_element_padding: if indent_array_in_object { "  " } else { "" },585			quote_keys,586		},587	)588}589590#[jrsonnet_macros::builtin]591fn builtin_reverse(value: ArrValue) -> Result<ArrValue> {592	Ok(value.reversed())593}594595#[jrsonnet_macros::builtin]596const fn builtin_id(v: Any) -> Result<Any> {597	Ok(v)598}599600#[jrsonnet_macros::builtin]601fn builtin_str_replace(str: String, from: IStr, to: IStr) -> Result<String> {602	Ok(str.replace(&from as &str, &to as &str))603}604605#[jrsonnet_macros::builtin]606fn builtin_splitlimit(str: IStr, c: char, maxsplits: Either<usize, M1>) -> Result<VecVal> {607	Ok(VecVal(match maxsplits {608		Either::Left(n) => str.splitn(n + 1, c).map(|s| Val::Str(s.into())).collect(),609		Either::Right(_) => str.split(c).map(|s| Val::Str(s.into())).collect(),610	}))611}612613#[jrsonnet_macros::builtin]614fn builtin_ascii_upper(str: IStr) -> Result<String> {615	Ok(str.to_ascii_uppercase())616}617618#[jrsonnet_macros::builtin]619fn builtin_ascii_lower(str: IStr) -> Result<String> {620	Ok(str.to_ascii_lowercase())621}622623#[jrsonnet_macros::builtin]624fn builtin_member(arr: IndexableVal, x: Any) -> Result<bool> {625	match arr {626		IndexableVal::Str(s) => {627			let x: IStr = IStr::try_from(x.0)?;628			Ok(!x.is_empty() && s.contains(&*x))629		}630		IndexableVal::Arr(a) => {631			for item in a.iter() {632				let item = item?;633				if equals(&item, &x.0)? {634					return Ok(true);635				}636			}637			Ok(false)638		}639	}640}641642#[jrsonnet_macros::builtin]643fn builtin_count(arr: Vec<Any>, v: Any) -> Result<usize> {644	let mut count = 0;645	for item in arr.iter() {646		if equals(&item.0, &v.0)? {647			count += 1;648		}649	}650	Ok(count)651}652653pub fn call_builtin(654	context: Context,655	loc: &ExprLocation,656	name: &str,657	args: &ArgsDesc,658) -> Result<Val> {659	BUILTINS660		.with(|builtins| builtins.get(name).copied())661		.ok_or_else(|| IntrinsicNotFound(name.into()))?(context, loc, args)662}
modifiedcrates/jrsonnet-evaluator/src/error.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/error.rs
+++ b/crates/jrsonnet-evaluator/src/error.rs
@@ -16,8 +16,6 @@
 pub enum Error {
 	#[error("intrinsic not found: {0}")]
 	IntrinsicNotFound(IStr),
-	#[error("argument reordering in intrisics not supported yet")]
-	IntrinsicArgumentReorderingIsNotSupportedYet,
 
 	#[error("operator {0} does not operate on type {1}")]
 	UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),
modifiedcrates/jrsonnet-evaluator/src/function.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/function.rs
+++ b/crates/jrsonnet-evaluator/src/function.rs
@@ -311,45 +311,3 @@
 
 	Ok(body_ctx.extend(out, None, None, None))
 }
-
-#[macro_export]
-macro_rules! parse_args {
-	($ctx: expr, $fn_name: expr, $args: expr, $total_args: expr, [
-		$($id: expr, $name: ident: $ty: expr $(=>$match: path)?);+ $(;)?
-	], $handler:block) => {{
-		use $crate::{error::Error::*, throw, evaluate, push_description_frame, typed::CheckType};
-
-		let args = $args;
-		if args.unnamed.len() + args.named.len() > $total_args {
-			throw!(TooManyArgsFunctionHas($total_args));
-		}
-		$(
-			if args.unnamed.len() + args.named.len() <= $id {
-				throw!(FunctionParameterNotBoundInCall(stringify!($name).into()));
-			}
-			// Is named
-			let $name = if $id >= $args.unnamed.len() {
-				let named = &args.named[$id - $args.unnamed.len()];
-				if &named.0 != stringify!($name) {
-					throw!(IntrinsicArgumentReorderingIsNotSupportedYet);
-				}
-				&named.1
-			} else {
-				&$args.unnamed[$id]
-			};
-			let $name = push_description_frame(|| format!("evaluating builtin argument {}", stringify!($name)), || {
-				let value = evaluate($ctx.clone(), &$name)?;
-				$ty.check(&value)?;
-				Ok(value)
-			})?;
-			$(
-				let $name = if let $match(v) = $name {
-					v
-				} else {
-					unreachable!();
-				};
-			)?
-		)+
-		($handler as crate::Result<_>)
-	}};
-}
modifiedcrates/jrsonnet-macros/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-macros/src/lib.rs
+++ b/crates/jrsonnet-macros/src/lib.rs
@@ -1,6 +1,10 @@
 use proc_macro2::Span;
 use quote::quote;
-use syn::{parse_macro_input, FnArg, Ident, ItemFn, Pat};
+use syn::{parse_macro_input, FnArg, Ident, ItemFn, Pat, PatType};
+
+fn is_location_arg(t: &PatType) -> bool {
+	t.attrs.iter().any(|a| a.path.is_ident("location"))
+}
 
 #[proc_macro_attribute]
 pub fn builtin(
@@ -8,14 +12,11 @@
 	item: proc_macro::TokenStream,
 ) -> proc_macro::TokenStream {
 	// syn::ItemFn::parse(input)
-	let fun: ItemFn = parse_macro_input!(item);
+	let mut fun: ItemFn = parse_macro_input!(item);
 
-	let inner_name = Ident::new("inner", Span::call_site());
-	let mut inner_fun = fun.clone();
-	inner_fun.sig.ident = inner_name.clone();
 	let result = match fun.sig.output {
 		syn::ReturnType::Default => panic!("builtin should return something"),
-		syn::ReturnType::Type(_, ty) => ty,
+		syn::ReturnType::Type(_, ref ty) => ty.clone(),
 	};
 
 	let params = fun
@@ -26,6 +27,7 @@
 			FnArg::Receiver(_) => unreachable!(),
 			FnArg::Typed(t) => t,
 		})
+		.filter(|a| !is_location_arg(a))
 		.map(|t| {
 			let ident = match &t.pat as &Pat {
 				Pat::Ident(i) => i.ident.to_string(),
@@ -39,38 +41,53 @@
 					has_default: #optional,
 				}
 			}
-		});
+		})
+		.collect::<Vec<_>>();
 
 	let args = fun
 		.sig
 		.inputs
-		.iter()
+		.iter_mut()
 		.map(|i| match i {
 			FnArg::Receiver(_) => unreachable!(),
 			FnArg::Typed(t) => t,
 		})
 		.map(|t| {
-			let ident = match &t.pat as &Pat {
-				Pat::Ident(i) => i.ident.to_string(),
-				_ => panic!("only idents supported yet"),
-			};
-			let ty = &t.ty;
-			quote! {{
-				let value = parsed.get(#ident).unwrap();
+			let count_before = t.attrs.len();
+			t.attrs.retain(|a| !a.path.is_ident("location"));
+			let count_after = t.attrs.len();
+			let is_location = count_before != count_after;
+			if is_location {
+				quote! {{
+					loc
+				}}
+			} else {
+				let ident = match &t.pat as &Pat {
+					Pat::Ident(i) => i.ident.to_string(),
+					_ => panic!("only idents supported yet"),
+				};
+				let ty = &t.ty;
+				quote! {{
+					let value = parsed.get(#ident).unwrap();
 
-				jrsonnet_evaluator::push_description_frame(
-					|| format!("argument <{}> evaluation", #ident),
-					|| <#ty>::try_from(value.evaluate()?),
-				)?
-			}}
-		});
+					jrsonnet_evaluator::push_description_frame(
+						|| format!("argument <{}> evaluation", #ident),
+						|| <#ty>::try_from(value.evaluate()?),
+					)?
+				}}
+			}
+		}).collect::<Vec<_>>();
+	
+	let inner_name = Ident::new("inner", Span::call_site());
+	let mut inner_fun = fun.clone();
+	inner_fun.sig.ident = inner_name.clone();
 
 	let attrs = &fun.attrs;
 	let vis = &fun.vis;
 	let name = &fun.sig.ident;
 	(quote! {
 		#(#attrs)*
-		#vis fn #name(context: Context, _loc: &ExprLocation, args: &ArgsDesc) -> Result<Val> {
+		#vis fn #name(context: Context, loc: &ExprLocation, args: &ArgsDesc) -> Result<Val> {
 			#inner_fun
 			use jrsonnet_evaluator::function::BuiltinParam;
 			const PARAMS: &'static [BuiltinParam] = &[
modifiedcrates/jrsonnet-types/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-types/src/lib.rs
+++ b/crates/jrsonnet-types/src/lib.rs
@@ -191,9 +191,9 @@
 				write!(f, "}}")?;
 			}
 			ComplexValType::Union(v) => write_union(f, true, v.iter())?,
-			ComplexValType::UnionRef(v) => write_union(f, true, v.iter().map(|v| *v))?,
+			ComplexValType::UnionRef(v) => write_union(f, true, v.iter().copied())?,
 			ComplexValType::Sum(v) => write_union(f, false, v.iter())?,
-			ComplexValType::SumRef(v) => write_union(f, false, v.iter().map(|v| *v))?,
+			ComplexValType::SumRef(v) => write_union(f, false, v.iter().copied())?,
 		};
 		Ok(())
 	}
modifiedflake.nixdiffbeforeafterboth
--- a/flake.nix
+++ b/flake.nix
@@ -1,21 +1,59 @@
 {
-  description = "Rust jsonnet implementation";
-
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-
-  outputs = { self, nixpkgs, flake-utils }:
+  description = "Dotfiles manager";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
+  };
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, pre-commit-hooks, naersk }:
     flake-utils.lib.eachDefaultSystem (system:
       let
-        pkgs = nixpkgs.legacyPackages.${system};
-        jrsonnet = pkgs.rustPlatform.buildRustPackage rec {
-          pname = "jrsonnet";
-          version = "0.1.0";
-          src = self;
-          cargoSha256 = "sha256-cez8pJ/uwj+PHAPQwpSB4CKaxcP8Uvv8xguOrVXR2xE=";
+        pkgs = import nixpkgs
+          {
+            inherit system;
+            overlays = [ rust-overlay.overlay ];
+          };
+        rust = ((pkgs.rustChannelOf { date = "2021-11-11"; channel = "nightly"; }).default.override {
+          extensions = [ "rust-src" ];
+        });
+        naersk-lib = naersk.lib."${system}".override {
+          rustc = rust;
+          cargo = rust;
+        };
+      in
+      rec {
+        checks = {
+          pre-commit-check = pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              nixpkgs-fmt.enable = true;
+            };
+          };
+        };
+        defaultPackage = naersk-lib.buildPackage {
+          pname = "dotman";
+          root = ./.;
+          buildInputs = with pkgs; [
+            pkgs.sqlite
+          ];
         };
-      in { 
-        defaultPackage = jrsonnet;
-        devShell = pkgs.mkShell {};
-      });
+        devShell = pkgs.mkShell {
+          inherit (checks.pre-commit-check) shellHook;
+          nativeBuildInputs = with pkgs;[
+            pkgs.binutils
+            pkgs.pkgconfig
+            pkgs.clang
+            pkgs.x11
+            pkgs.alsaLib
+            pkgs.libudev
+            pkgs.sqlite
+            rust
+            cargo-edit
+            go-jsonnet
+          ];
+        };
+      }
+    );
 }