1use crate::function::{CallLocation, StaticBuiltin};2use crate::typed::{Any, Bytes, PositiveF64, VecVal, M1};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,9 typed::{Either2, Either4},10 with_state, ArrValue, FuncVal, IndexableVal, Val,11};12use crate::{Either, ObjValue};13use format::{format_arr, format_obj};14use gcmodule::Cc;15use jrsonnet_interner::IStr;16use serde::Deserialize;17use serde_yaml::DeserializingQuirks;18use std::collections::HashMap;19use std::convert::{TryFrom, TryInto};2021pub mod stdlib;22pub use stdlib::*;2324use self::manifest::{escape_string_json, manifest_json_ex, ManifestJsonOptions, ManifestType};2526pub mod format;27pub mod manifest;28pub mod sort;2930pub fn std_format(str: IStr, vals: Val) -> Result<String> {31 push_frame(32 CallLocation::native(),33 || format!("std.format of {}", str),34 || {35 Ok(match vals {36 Val::Arr(vals) => format_arr(&str, &vals.evaluated()?)?,37 Val::Obj(obj) => format_obj(&str, &obj)?,38 o => format_arr(&str, &[o])?,39 })40 },41 )42}4344pub fn std_slice(45 indexable: IndexableVal,46 index: Option<BoundedUsize<0, { i32::MAX as usize }>>,47 end: Option<BoundedUsize<0, { i32::MAX as usize }>>,48 step: Option<BoundedUsize<1, { i32::MAX as usize }>>,49) -> Result<Val> {50 match &indexable {51 IndexableVal::Str(s) => {52 let index = index.as_deref().copied().unwrap_or(0);53 let end = end.as_deref().copied().unwrap_or(usize::MAX);54 let step = step.as_deref().copied().unwrap_or(1);5556 if index >= end {57 return Ok(Val::Str("".into()));58 }5960 Ok(Val::Str(61 (s.chars()62 .skip(index)63 .take(end - index)64 .step_by(step)65 .collect::<String>())66 .into(),67 ))68 }69 IndexableVal::Arr(arr) => {70 let index = index.as_deref().copied().unwrap_or(0);71 let end = end.as_deref().copied().unwrap_or(usize::MAX).min(arr.len());72 let step = step.as_deref().copied().unwrap_or(1);7374 if index >= end {75 return Ok(Val::Arr(ArrValue::new_eager()));76 }7778 Ok(Val::Arr(ArrValue::Slice(Box::new(Slice {79 inner: arr.clone(),80 from: index as u32,81 to: end as u32,82 step: step as u32,83 }))))84 }85 }86}8788type BuiltinsType = HashMap<IStr, &'static dyn StaticBuiltin>;8990thread_local! {91 pub static BUILTINS: BuiltinsType = {92 [93 ("length".into(), builtin_length::INST),94 ("type".into(), builtin_type::INST),95 ("makeArray".into(), builtin_make_array::INST),96 ("codepoint".into(), builtin_codepoint::INST),97 ("objectFieldsEx".into(), builtin_object_fields_ex::INST),98 ("objectHasEx".into(), builtin_object_has_ex::INST),99 ("slice".into(), builtin_slice::INST),100 ("substr".into(), builtin_substr::INST),101 ("primitiveEquals".into(), builtin_primitive_equals::INST),102 ("equals".into(), builtin_equals::INST),103 ("modulo".into(), builtin_modulo::INST),104 ("mod".into(), builtin_mod::INST),105 ("floor".into(), builtin_floor::INST),106 ("ceil".into(), builtin_ceil::INST),107 ("log".into(), builtin_log::INST),108 ("pow".into(), builtin_pow::INST),109 ("sqrt".into(), builtin_sqrt::INST),110 ("sin".into(), builtin_sin::INST),111 ("cos".into(), builtin_cos::INST),112 ("tan".into(), builtin_tan::INST),113 ("asin".into(), builtin_asin::INST),114 ("acos".into(), builtin_acos::INST),115 ("atan".into(), builtin_atan::INST),116 ("exp".into(), builtin_exp::INST),117 ("mantissa".into(), builtin_mantissa::INST),118 ("exponent".into(), builtin_exponent::INST),119 ("extVar".into(), builtin_ext_var::INST),120 ("native".into(), builtin_native::INST),121 ("filter".into(), builtin_filter::INST),122 ("map".into(), builtin_map::INST),123 ("flatMap".into(), builtin_flatmap::INST),124 ("foldl".into(), builtin_foldl::INST),125 ("foldr".into(), builtin_foldr::INST),126 ("sort".into(), builtin_sort::INST),127 ("format".into(), builtin_format::INST),128 ("range".into(), builtin_range::INST),129 ("char".into(), builtin_char::INST),130 ("encodeUTF8".into(), builtin_encode_utf8::INST),131 ("decodeUTF8".into(), builtin_decode_utf8::INST),132 ("md5".into(), builtin_md5::INST),133 ("base64".into(), builtin_base64::INST),134 ("base64DecodeBytes".into(), builtin_base64_decode_bytes::INST),135 ("base64Decode".into(), builtin_base64_decode::INST),136 ("trace".into(), builtin_trace::INST),137 ("join".into(), builtin_join::INST),138 ("escapeStringJson".into(), builtin_escape_string_json::INST),139 ("manifestJsonEx".into(), builtin_manifest_json_ex::INST),140 ("manifestYamlDoc".into(), builtin_manifest_yaml_doc::INST),141 ("reverse".into(), builtin_reverse::INST),142 ("id".into(), builtin_id::INST),143 ("strReplace".into(), builtin_str_replace::INST),144 ("splitLimit".into(), builtin_splitlimit::INST),145 ("parseJson".into(), builtin_parse_json::INST),146 ("parseYaml".into(), builtin_parse_yaml::INST),147 ("asciiUpper".into(), builtin_ascii_upper::INST),148 ("asciiLower".into(), builtin_ascii_lower::INST),149 ("member".into(), builtin_member::INST),150 ("count".into(), builtin_count::INST),151 ("any".into(), builtin_any::INST),152 ("all".into(), builtin_all::INST),153 ].iter().cloned().collect()154 };155}156157#[jrsonnet_macros::builtin]158fn builtin_length(x: Either![IStr, ArrValue, ObjValue, FuncVal]) -> Result<usize> {159 use Either4::*;160 Ok(match x {161 A(x) => x.chars().count(),162 B(x) => x.len(),163 C(x) => x164 .fields_visibility()165 .into_iter()166 .filter(|(_k, v)| *v)167 .count(),168 D(f) => f.args_len(),169 })170}171172#[jrsonnet_macros::builtin]173fn builtin_type(x: Any) -> Result<IStr> {174 Ok(x.0.value_type().name().into())175}176177#[jrsonnet_macros::builtin]178fn builtin_make_array(sz: usize, func: FuncVal) -> Result<VecVal> {179 let mut out = Vec::with_capacity(sz);180 for i in 0..sz {181 out.push(func.evaluate_simple(&[i as f64].as_slice())?)182 }183 Ok(VecVal(Cc::new(out)))184}185186#[jrsonnet_macros::builtin]187const fn builtin_codepoint(str: char) -> Result<u32> {188 Ok(str as u32)189}190191#[jrsonnet_macros::builtin]192fn builtin_object_fields_ex(obj: ObjValue, inc_hidden: bool) -> Result<VecVal> {193 let out = obj.fields_ex(inc_hidden);194 Ok(VecVal(Cc::new(195 out.into_iter().map(Val::Str).collect::<Vec<_>>(),196 )))197}198199#[jrsonnet_macros::builtin]200fn builtin_object_has_ex(obj: ObjValue, f: IStr, inc_hidden: bool) -> Result<bool> {201 Ok(obj.has_field_ex(f, inc_hidden))202}203204#[jrsonnet_macros::builtin]205fn builtin_parse_json(s: IStr) -> Result<Any> {206 let value: serde_json::Value = serde_json::from_str(&s)207 .map_err(|e| RuntimeError(format!("failed to parse json: {}", e).into()))?;208 Ok(Any(Val::try_from(&value)?))209}210211#[jrsonnet_macros::builtin]212fn builtin_parse_yaml(s: IStr) -> Result<Any> {213 let value = serde_yaml::Deserializer::from_str_with_quirks(214 &s,215 DeserializingQuirks { old_octals: true },216 );217 let mut out = vec![];218 for item in value {219 let value = serde_json::Value::deserialize(item)220 .map_err(|e| RuntimeError(format!("failed to parse yaml: {}", e).into()))?;221 let val = Val::try_from(&value)?;222 out.push(val);223 }224 Ok(Any(if out.is_empty() {225 Val::Null226 } else if out.len() == 1 {227 out.into_iter().next().unwrap()228 } else {229 Val::Arr(out.into())230 }))231}232233#[jrsonnet_macros::builtin]234fn builtin_slice(235 indexable: IndexableVal,236 index: Option<BoundedUsize<0, { i32::MAX as usize }>>,237 end: Option<BoundedUsize<0, { i32::MAX as usize }>>,238 step: Option<BoundedUsize<1, { i32::MAX as usize }>>,239) -> Result<Any> {240 std_slice(indexable, index, end, step).map(Any)241}242243#[jrsonnet_macros::builtin]244fn builtin_substr(str: IStr, from: usize, len: usize) -> Result<String> {245 Ok(str.chars().skip(from as usize).take(len as usize).collect())246}247248#[jrsonnet_macros::builtin]249fn builtin_primitive_equals(a: Any, b: Any) -> Result<bool> {250 primitive_equals(&a.0, &b.0)251}252253#[jrsonnet_macros::builtin]254fn builtin_equals(a: Any, b: Any) -> Result<bool> {255 equals(&a.0, &b.0)256}257258#[jrsonnet_macros::builtin]259fn builtin_modulo(a: f64, b: f64) -> Result<f64> {260 Ok(a % b)261}262263#[jrsonnet_macros::builtin]264fn builtin_mod(a: Either![f64, IStr], b: Any) -> Result<Any> {265 use Either2::*;266 Ok(Any(evaluate_mod_op(267 &match a {268 A(v) => Val::Num(v),269 B(s) => Val::Str(s),270 },271 &b.0,272 )?))273}274275#[jrsonnet_macros::builtin]276fn builtin_floor(x: f64) -> Result<f64> {277 Ok(x.floor())278}279280#[jrsonnet_macros::builtin]281fn builtin_ceil(x: f64) -> Result<f64> {282 Ok(x.ceil())283}284285#[jrsonnet_macros::builtin]286fn builtin_log(n: f64) -> Result<f64> {287 Ok(n.ln())288}289290#[jrsonnet_macros::builtin]291fn builtin_pow(x: f64, n: f64) -> Result<f64> {292 Ok(x.powf(n))293}294295#[jrsonnet_macros::builtin]296fn builtin_sqrt(x: PositiveF64) -> Result<f64> {297 Ok(x.0.sqrt())298}299300#[jrsonnet_macros::builtin]301fn builtin_sin(x: f64) -> Result<f64> {302 Ok(x.sin())303}304305#[jrsonnet_macros::builtin]306fn builtin_cos(x: f64) -> Result<f64> {307 Ok(x.cos())308}309310#[jrsonnet_macros::builtin]311fn builtin_tan(x: f64) -> Result<f64> {312 Ok(x.tan())313}314315#[jrsonnet_macros::builtin]316fn builtin_asin(x: f64) -> Result<f64> {317 Ok(x.asin())318}319320#[jrsonnet_macros::builtin]321fn builtin_acos(x: f64) -> Result<f64> {322 Ok(x.acos())323}324325#[jrsonnet_macros::builtin]326fn builtin_atan(x: f64) -> Result<f64> {327 Ok(x.atan())328}329330#[jrsonnet_macros::builtin]331fn builtin_exp(x: f64) -> Result<f64> {332 Ok(x.exp())333}334335fn frexp(s: f64) -> (f64, i16) {336 if 0.0 == s {337 (s, 0)338 } else {339 let lg = s.abs().log2();340 let x = (lg - lg.floor() - 1.0).exp2();341 let exp = lg.floor() + 1.0;342 (s.signum() * x, exp as i16)343 }344}345346#[jrsonnet_macros::builtin]347fn builtin_mantissa(x: f64) -> Result<f64> {348 Ok(frexp(x).0)349}350351#[jrsonnet_macros::builtin]352fn builtin_exponent(x: f64) -> Result<i16> {353 Ok(frexp(x).1)354}355356#[jrsonnet_macros::builtin]357fn builtin_ext_var(x: IStr) -> Result<Any> {358 Ok(Any(with_state(|s| s.settings().ext_vars.get(&x).cloned())359 .ok_or(UndefinedExternalVariable(x))?))360}361362#[jrsonnet_macros::builtin]363fn builtin_native(name: IStr) -> Result<FuncVal> {364 Ok(with_state(|s| s.settings().ext_natives.get(&name).cloned())365 .map(|v| FuncVal::Builtin(v.clone()))366 .ok_or(UndefinedExternalFunction(name))?)367}368369#[jrsonnet_macros::builtin]370fn builtin_filter(func: FuncVal, arr: ArrValue) -> Result<ArrValue> {371 arr.filter(|val| bool::try_from(func.evaluate_simple(&[Any(val.clone())].as_slice())?))372}373374#[jrsonnet_macros::builtin]375fn builtin_map(func: FuncVal, arr: ArrValue) -> Result<ArrValue> {376 arr.map(|val| func.evaluate_simple(&[Any(val)].as_slice()))377}378379#[jrsonnet_macros::builtin]380fn builtin_flatmap(func: FuncVal, arr: IndexableVal) -> Result<IndexableVal> {381 match arr {382 IndexableVal::Str(s) => {383 let mut out = String::new();384 for c in s.chars() {385 match func.evaluate_simple(&[c.to_string()].as_slice())? {386 Val::Str(o) => out.push_str(&o),387 _ => throw!(RuntimeError(388 "in std.join all items should be strings".into()389 )),390 };391 }392 Ok(IndexableVal::Str(out.into()))393 }394 IndexableVal::Arr(a) => {395 let mut out = Vec::new();396 for el in a.iter() {397 let el = el?;398 match func.evaluate_simple(&[Any(el)].as_slice())? {399 Val::Arr(o) => {400 for oe in o.iter() {401 out.push(oe?)402 }403 }404 _ => throw!(RuntimeError(405 "in std.join all items should be arrays".into()406 )),407 };408 }409 Ok(IndexableVal::Arr(out.into()))410 }411 }412}413414#[jrsonnet_macros::builtin]415fn builtin_foldl(func: FuncVal, arr: ArrValue, init: Any) -> Result<Any> {416 let mut acc = init.0;417 for i in arr.iter() {418 acc = func.evaluate_simple(&[Any(acc), Any(i?)].as_slice())?;419 }420 Ok(Any(acc))421}422423#[jrsonnet_macros::builtin]424fn builtin_foldr(func: FuncVal, arr: ArrValue, init: Any) -> Result<Any> {425 let mut acc = init.0;426 for i in arr.iter().rev() {427 acc = func.evaluate_simple(&[Any(i?), Any(acc)].as_slice())?;428 }429 Ok(Any(acc))430}431432#[jrsonnet_macros::builtin]433#[allow(non_snake_case)]434fn builtin_sort(arr: ArrValue, keyF: Option<FuncVal>) -> Result<ArrValue> {435 if arr.len() <= 1 {436 return Ok(arr);437 }438 Ok(ArrValue::Eager(sort::sort(439 arr.evaluated()?,440 keyF.as_ref(),441 )?))442}443444#[jrsonnet_macros::builtin]445fn builtin_format(str: IStr, vals: Any) -> Result<String> {446 std_format(str, vals.0)447}448449#[jrsonnet_macros::builtin]450fn builtin_range(from: i32, to: i32) -> Result<ArrValue> {451 if to < from {452 return Ok(ArrValue::new_eager());453 }454 Ok(ArrValue::new_range(from, to))455}456457#[jrsonnet_macros::builtin]458fn builtin_char(n: u32) -> Result<char> {459 Ok(std::char::from_u32(n as u32).ok_or(InvalidUnicodeCodepointGot(n as u32))?)460}461462#[jrsonnet_macros::builtin]463fn builtin_encode_utf8(str: IStr) -> Result<Bytes> {464 Ok(Bytes(str.bytes().collect::<Vec<u8>>().into()))465}466467#[jrsonnet_macros::builtin]468fn builtin_decode_utf8(arr: Bytes) -> Result<IStr> {469 Ok(std::str::from_utf8(&arr.0)470 .map_err(|_| RuntimeError("bad utf8".into()))?471 .into())472}473474#[jrsonnet_macros::builtin]475fn builtin_md5(str: IStr) -> Result<String> {476 Ok(format!("{:x}", md5::compute(&str.as_bytes())))477}478479#[jrsonnet_macros::builtin]480fn builtin_trace(loc: CallLocation, str: IStr, rest: Any) -> Result<Any> {481 eprint!("TRACE:");482 if let Some(loc) = loc.0 {483 with_state(|s| {484 let locs = s.map_source_locations(&loc.0, &[loc.1]);485 eprint!(486 " {}:{}",487 loc.0.file_name().unwrap().to_str().unwrap(),488 locs[0].line489 );490 });491 }492 eprintln!(" {}", str);493 Ok(rest) as Result<Any>494}495496#[jrsonnet_macros::builtin]497fn builtin_base64(input: Either![Bytes, IStr]) -> Result<String> {498 use Either2::*;499 Ok(match input {500 A(a) => base64::encode(a.0),501 B(l) => base64::encode(l.bytes().collect::<Vec<_>>()),502 })503}504505#[jrsonnet_macros::builtin]506fn builtin_base64_decode_bytes(input: IStr) -> Result<Bytes> {507 Ok(Bytes(508 base64::decode(&input.as_bytes())509 .map_err(|_| RuntimeError("bad base64".into()))?510 .into(),511 ))512}513514#[jrsonnet_macros::builtin]515fn builtin_base64_decode(input: IStr) -> Result<String> {516 let bytes = base64::decode(&input.as_bytes()).map_err(|_| RuntimeError("bad base64".into()))?;517 Ok(String::from_utf8(bytes).map_err(|_| RuntimeError("bad utf8".into()))?)518}519520#[jrsonnet_macros::builtin]521fn builtin_join(sep: IndexableVal, arr: ArrValue) -> Result<IndexableVal> {522 Ok(match sep {523 IndexableVal::Arr(joiner_items) => {524 let mut out = Vec::new();525526 let mut first = true;527 for item in arr.iter() {528 let item = item?.clone();529 if let Val::Arr(items) = item {530 if !first {531 out.reserve(joiner_items.len());532 533 for item in joiner_items.iter() {534 out.push(item?);535 }536 }537 first = false;538 out.reserve(items.len());539 540 for item in items.iter() {541 out.push(item?);542 }543 } else {544 throw!(RuntimeError(545 "in std.join all items should be arrays".into()546 ));547 }548 }549550 IndexableVal::Arr(out.into())551 }552 IndexableVal::Str(sep) => {553 let mut out = String::new();554555 let mut first = true;556 for item in arr.iter() {557 let item = item?.clone();558 if let Val::Str(item) = item {559 if !first {560 out += &sep;561 }562 first = false;563 out += &item;564 } else {565 throw!(RuntimeError(566 "in std.join all items should be strings".into()567 ));568 }569 }570571 IndexableVal::Str(out.into())572 }573 })574}575576#[jrsonnet_macros::builtin]577fn builtin_escape_string_json(str_: IStr) -> Result<String> {578 Ok(escape_string_json(&str_))579}580581#[jrsonnet_macros::builtin]582fn builtin_manifest_json_ex(583 value: Any,584 indent: IStr,585 newline: Option<IStr>,586 key_val_sep: Option<IStr>,587) -> Result<String> {588 let newline = newline.as_deref().unwrap_or("\n");589 let key_val_sep = key_val_sep.as_deref().unwrap_or(": ");590 manifest_json_ex(591 &value.0,592 &ManifestJsonOptions {593 padding: &indent,594 mtype: ManifestType::Std,595 newline,596 key_val_sep,597 },598 )599}600601#[jrsonnet_macros::builtin]602fn builtin_manifest_yaml_doc(603 value: Any,604 indent_array_in_object: Option<bool>,605 quote_keys: Option<bool>,606) -> Result<String> {607 manifest_yaml_ex(608 &value.0,609 &ManifestYamlOptions {610 padding: " ",611 arr_element_padding: if indent_array_in_object.unwrap_or(false) {612 " "613 } else {614 ""615 },616 quote_keys: quote_keys.unwrap_or(true),617 },618 )619}620621#[jrsonnet_macros::builtin]622fn builtin_reverse(value: ArrValue) -> Result<ArrValue> {623 Ok(value.reversed())624}625626#[jrsonnet_macros::builtin]627const fn builtin_id(v: Any) -> Result<Any> {628 Ok(v)629}630631#[jrsonnet_macros::builtin]632fn builtin_str_replace(str: String, from: IStr, to: IStr) -> Result<String> {633 Ok(str.replace(&from as &str, &to as &str))634}635636#[jrsonnet_macros::builtin]637fn builtin_splitlimit(str: IStr, c: IStr, maxsplits: Either![usize, M1]) -> Result<VecVal> {638 use Either2::*;639 Ok(VecVal(Cc::new(match maxsplits {640 A(n) => str641 .splitn(n + 1, &c as &str)642 .map(|s| Val::Str(s.into()))643 .collect(),644 B(_) => str.split(&c as &str).map(|s| Val::Str(s.into())).collect(),645 })))646}647648#[jrsonnet_macros::builtin]649fn builtin_ascii_upper(str: IStr) -> Result<String> {650 Ok(str.to_ascii_uppercase())651}652653#[jrsonnet_macros::builtin]654fn builtin_ascii_lower(str: IStr) -> Result<String> {655 Ok(str.to_ascii_lowercase())656}657658#[jrsonnet_macros::builtin]659fn builtin_member(arr: IndexableVal, x: Any) -> Result<bool> {660 match arr {661 IndexableVal::Str(s) => {662 let x: IStr = IStr::try_from(x.0)?;663 Ok(!x.is_empty() && s.contains(&*x))664 }665 IndexableVal::Arr(a) => {666 for item in a.iter() {667 let item = item?;668 if equals(&item, &x.0)? {669 return Ok(true);670 }671 }672 Ok(false)673 }674 }675}676677#[jrsonnet_macros::builtin]678fn builtin_count(arr: Vec<Any>, v: Any) -> Result<usize> {679 let mut count = 0;680 for item in arr.iter() {681 if equals(&item.0, &v.0)? {682 count += 1;683 }684 }685 Ok(count)686}687688#[jrsonnet_macros::builtin]689fn builtin_any(arr: ArrValue) -> Result<bool> {690 for v in arr.iter() {691 let v: bool = v?.try_into()?;692 if v {693 return Ok(true);694 }695 }696 Ok(false)697}698699#[jrsonnet_macros::builtin]700fn builtin_all(arr: ArrValue) -> Result<bool> {701 for v in arr.iter() {702 let v: bool = v?.try_into()?;703 if !v {704 return Ok(false);705 }706 }707 Ok(true)708}